Device for transverse transportation of stocks

FIELD: transportation.

SUBSTANCE: invention refers to device for transportation of objects across the direction of their arrival and can be used, for example, in paper industry for transportation of sheet stocks. The device for transportation of objects across the direction of their arrival contains two continuous transporting elements performed with the possibility of rotation. Each element has independent drive. Transporting elements are located opposite each other with formation of dividing joint with supposed middle axis. Note that the objects are transported to both sides of the said device. In addition, device for objects transportation includes sets of enveloping rollers for directing, tensioning and leveling of transporting elements, movable element for changing of transport and return area, and levelling element for transport and return area changing compensation. Note that, movable and levelling elements are performed as separate elements.

EFFECT: device structure simplification and provision of more flexible arrangement of arriving stocks.

18 cl, 13 dwg

 

The invention relates to a device for transporting objects across the direction of their receipt, containing mainly two conveying element, each having transport and return areas, driven independently of each other through the drive and opposite to each other with the formation of the dividing seam with an imaginary middle axis, the sets ogylnych rollers for maintaining, tension and alignment of the conveying elements, a movable element for changing the transport or the return of plot, and a movable element connects the conveying elements, as well as the balancing element to compensate for changes returnable or transport area.

Such known devices are, for example, in the paper industry for transportation stilinovich sheets, etc. from cardboard, paper, plastic or other stablisheth materials installed for production machine collective position to packaging machines, etc.

Inside usually multiple production machines by means of longitudinal and/or transverse cutting of panels of material, for example paper webs, continuously formed so-called foot of paper in the form of layers or sheets stocks. Several lying close to each other stop of the paper form the stop device is maintained below the stop block. This stop block is placed on the collective position. Using the appropriate tools, it is reasonable system of clamps, block stop pulling on the device for transporting stop across the direction of their receipt and stack on it. One block consists of at least two feet, but can be increased several times. Each stop block is subjected, as a rule, the further processing, mainly Packed. A separate device, such as production and packaging machines, can be so consistent in their performance. Typically, for example, 14-local production machine produces more stop than they can take a single packaging machine. To improve the performance of such production lines, i.e. for coordination with production, packaging machines are located on both sides of the production machine or a collective position. As a rule, both packing machines are equipped with feet evenly. In an exemplary case, this means that the block of ten feet, i.e. formed, for example, of the ten units ship with 500 sheets of paper of A4-sized, evenly distributed, so that the device for transporting stop across the direction of their receipt drains on both sides by five feet. For this purpose, the device is divided into zone razdelitel the th seam, that provides transportation of a certain number of feet on each side. This spacer bead is made with a possibility of displacement in order to provide different supply located on both sides of packaging machines, for example in case one of the packaging machines due to a fault arose, or if the packaging machine must be performed differently. To offset the dividing seam movable element is shifted in one direction or another. As a result of this prolonged contact surface, more precisely transport area one conveying element, while at the same time, the transport section of another conveying element is shortened by the same amount. This mobile element are leveling rollers. As the elongation of the transport section of one conveying element, and shortening the transport section of another conveying element is compensated by a corresponding adjustment of the return parcel transporting elements.

A disadvantage of the known device, however, is that, being determined by the size of the mobile element, which serves to accommodate the guide or tensioning rollers, on the one hand, and balancing beads, on the other hand, can be implemented only for a short path offset. When the standard is Noah width units for example, DIN A4, it is only possible to offset the width of a unit from the middle position. In other words, the known device provides a split in the ratio 6:4, 5:5 and 4:6. The separation of the stop so it is very limited. In addition, it is possible actuation of both conveying elements in one direction, so there is a separation in the ratio of 10:0 and 0:10. Because the performance of packaging machines, however limited, that is, a production machine produces more stop than they can be accepted packing machine, will inevitably have to slow performance on your production machine, which in turn leads to lower output.

Therefore, the present invention is the creation of a simple and compact device, providing a more flexible distribution of the incoming stop for subsequent packaging machines.

This problem is solved by a device of the type indicated above due to the fact that mobile and egalitarian elements are separate elements. Due to this unexpectedly simple and effective way, it is possible to increase flexibility.

Creating separate from the movable element of the pressure compensation element separates the functions of the displacement of the dividing seam and adjustment transporting items offset by dividing the VA, so when the same structural height of the device creates a better path of displacement of the mobile element. Using the solution according to the invention can, for example, to divide a block of ten feet in the ratio of 3:7 and 7:3.

The preferred way mobile element is made actively driven, and the balancing element is passively moving. Because of this you need only one single drive. Due to the actuator movable element may change, namely the lengthening or shortening of the transport section while shortening or lengthening of the return section, and the adjustment is enforced, and maintaining the tension of the conveying elements.

In one preferred form of execution of mobile and egalitarian elements interact among themselves through the transporting elements, so that the displacement of the mobile element can be transmitted without additional funds directly to the egalitarian element.

Especially preferred is a device in which the movable element or the movable carriage is only one idler or guide roller of each set ogylnych rollers. Due to this can be implemented in a particularly simple construction of the device, which simultaneously leads to an increase in PU and displacement of the mobile element.

Mainly for transporting both elements are provided with one common tension device, so that, on the one hand, you can reduce costs, but on the other hand realize a compact structural shape of the device.

The preferred way each transport area contains one reference device, executed in turn with the possibility of changing the length in the transport direction of the movable element. This provides support for transport stations, so that, in particular, when loading transport sites load in the form of a stop or support staff effectively prevents sagging of the transport sections.

Other signs and forms of carrying out the invention are given in the dependent clauses in the description. One especially preferred form of execution, as well as the basic principle of the invention are explained in more detail using the attached drawings, on which:

- figure 1 is a side view of the entire device without side rails;

- figure 2 - schematic of the device, namely in the form of a fragment: transporting items with mobile and egalitarian carriages in the symmetric position of the transporting elements;

- figure 3 is a view of figure 2 with indented mobile carriage;

- figure 4 is a view of figure 2 with offset left the movement the second carriage;

- figa-5d - sequence transport stop across the direction of arrival with a uniform separation of the feet;

- figa-6d - sequence transport stop across the direction of arrival with an uneven division of the feet;

- Fig.7 is a perspective view of the supporting device to support the transport sections of the device of figure 1.

The invention relates to a device for transporting stop paper across the direction of their revenues from the production machine.

1 shows a device 10 for transporting layers or sheets stocks, so-called stop, across the direction of their revenues from the production machine (not shown). The device 10 contains two separate conveying element 11, 12, made in the preferred form of transport paintings. However, it is also possible that the conveying elements 11, 12 have been formed in other conventional conveying means, such as transport belts, toothed belts, etc. Conveying elements 11, 12 is continuous and rotating, as well as have transport 13, 14 and return 15, 16 plots. Transport sections 13, 14 facing the transported footsteps and form some kind of contact surface for the stop, and the contact surfaces of both transport the respective elements 11, 12 are in the same plane and together form the transport section of a constant length. Return sections 15, 16 in the form of a loop and is designed to compensate for changes in the transport sections 13, 14, as well as to maintain the tension of the conveying elements 11, 12.

Both conveying element 11, 12 opposite to each other and form between them in the area of an imaginary center line 17 of the dividing seam 18. For reference, tension and adjustment conveying elements 11, 12 each of them contains a set ogylnych rollers. Each kit ogylnych rollers is shown in the form of execution of several, mainly four idler or guide rollers 19, 20, 21, 22 and 23, 24, 25, 26, two control rollers 27, 28 and 29, 30 and one leveling roller 31 and 32. It is possible, however, that each set ogylnych rollers contained additional tension, guides, managers or leveling rollers. In a particularly simple forms of execution can also abandon a separate tensioner, guides and leveling rollers. In addition, instead of the control rollers 27, 28 and 29, 30 it is also possible to use other control elements for conveying elements 11, 12. So, for example, to control the conveying elements 11, 12 can be provided by so-called connection of the texts profile-groove. For this purpose, at least some of the twisted conveying elements 11, 12 rollers are radially oriented grooves in which are located the appropriate profiles in the longitudinal direction on the conveying elements 11, 12 facing the side rollers. Due to this effectively prevents lateral nursing conveying elements 11, 12 with rollers, and is achieved in a simple form control.

Dividing seam 18 is made variable in its position by the movable element 33. Movable element 33, preferably made in the form of a traveling carriage, connects the conveying elements 11, 12 in the zone of separation of the seam 18. On the movable element 33 are idler or guide roller 19 and the control roller 27 of the conveying element 11 and idler or guide roller 23 and the control roller 29 of the conveying element 12, and a dividing seam 18 formed between the two idler or idlers 19, 23. Alternatively, you can also abandon control rollers 27, 29. Movable element 33 is arranged to shift or move in the horizontal plane in both directions. For the active actuator movable element 33 is suitable actuator (not shown). Due to the xed location of the displacement of the mobile element 33 is provided without loss of tension of the conveying elements 11, 12.

Since the conveying elements 11, 12 have a constant length, the displacement of the movable element 33 requires compensation for shortening the transport section 13 and lengthening of the transport section 14. For this purpose egalitarian element 34 made in the form of a separate element, with the possibility of movement parallel to the movable element 33 in the opposite direction. Egalitarian element 34 is made also preferably in the form of egalitarian carriage. On equalization element 34 are both egalitarian roller 31, 32. Egalitarian element 34 is free from the drive means and connects the conveying elements 11, 12 on their return sections 15, 16. Due to the conveying elements 11, 12 33 mobile and egalitarian 34 elements interact among themselves, with the possibility of transmission of the actuator movable element 33 on the egalitarian element 34. Movable element 33 as if pulling a balancing element 34, although in the opposite direction.

The tension rollers or rails 20, 21, 22, 24, 25, 26 fixed on the supporting element, it is expedient on the side wall 35 and the rails 36, 37. The guides 36, 37 are made in the form of elongated holes, so that the position of the idler or guide rollers 22, 26 can be changed. In the area of one of both of the guides 36, 37, in the form of issue the log in area of the guide 37, there is a tension device 38, by which you can adjust the tension of the conveying elements 11, 12. In addition, it is also possible that the tension device 38 has been provided in the area of the guide 36 or simultaneously on both of the guides 36, 37.

Each conveying element 11, 12 is equipped with a separate drive means. The transporting element 11 attached so the drive shaft 39 and the conveying element 12 to the drive shaft 40. Drive shafts 39, 40 are located respectively on the return section 15, 16 of the conveying elements 11, 12. Drive shafts 39, 40 independently from each other to provide movement of the conveying elements 11, 12 in both directions and with a randomly chosen speed. In the area of the drive shafts 39, 40 is oginome roller, namely the tension or guide roller 21 and 25, in order to maintain the tension of the respective conveying element 11, 12.

As options in the area of transport sections 13, 14 can be made of the supporting device 60, 61, which may be described as an enclosure. Each support device 60, 61 are made with the possibility of a telescopic changes in length in the longitudinal direction of the path of displacement of the mobile element 33 in the direction of arrow 47, 48. An example of a support device 60 is depicted in Fig.7. Shows the reference of the mouth of austo 60 shown in figure 1 on the left and contains a fixed 62 and the movable beam 63. Between the arms 62, 63 are finger supporting elements 64, which are in the direction of movement of the movable element 33 and into each other. Movable yoke 63 is located on the movable element 33 and is in interaction with him. This means that incoming into each other support elements 64 during movement of the mobile element 33 in one direction are shifted, and the other apart, so lying above the support elements 64 of the transport section 14 is constantly maintained. Accordingly, the support structure 61. Instead of incoming into each other support elements 64 can also be performed lying one above the other or one below the other sliding flat sheets, etc. Other forms of implementation (not shown) contain a fully movable and/or flexible support device, such as cable systems, etc.

Using figure 2-4 are described in more detail, the basic principle of the invention. Conveying elements 11, 12 are connected on the upper side, i.e. on the transport section 13, 14, by means of a tension or guide rollers 19, 23 on the movable element 33. In other words, each conveying element 11, 12 is located on a common movable element 33, so that both the transport element 11, 12 are in interaction with each other. Under the movable element 33 is uravnitelny element 34, which is fixed leveling rollers 31, 32. To obtain a loop-shaped or S-shaped contour, i.e. the so-called S-shaped spiral conveying elements 11, 12 for tensioning the tensioning rollers or rails 22, 26 are offset to the inside, i.e. away from the middle axis 17. In other words, the average axis 41, 42 of guide rollers 22, 26 lie at a greater distance from the middle axis 17 than the average axis 43, 44 of the tension or guide rollers 19, 23 and secondary axis 45, 46 levelling rollers 31, 32.

When actuated movable element 33 on the basis of the average axis 17, to the right in direction of the arrow 47 (Fig 3) shortened transport section 13 of the conveying element 11, while the transport section 14 transport element 12 is lengthened by the same amount. Accordingly, the length of the support elements 61, 62. Compensating for, on the one hand, and elongation, on the other hand, the egalitarian element 34 which is in engagement with the movable element 33 moves to meet him left, so the return section 15 of the transport element 11 is extended, while the return stretch of the conveying element 12 is shortened. The displacement of the movable element 33 to the left in direction of the arrow 48 (figure 4), on the basis of the average axis 17, the compensation is Vice versa. When all movement is the third movable element 33 is necessary to limit the movement in both directions so to the average axis 41, 42 of the tension or guide rollers 22, 26 had always greater distance from the middle axis 17 than the average axis 43-46.

Various splitting unit 49 from several feet 50 are explained using figure 5 and 6. Both figures show the transport block 49, consisting of ten feet. On figa-5d shows the separation unit 49. Unit 49 from the production machine is placed on the device 10. This can be done by clamping the carriage 51 and the like Conveying elements 11, 12 are symmetrically average axis 17, so that the corresponding transport sections 13, 14 have the same length. The block 49 is evenly divided upon actuation conveying elements 11, 12, so that on both sides is transported through five stop 50. The divided blocks 52, 53 stop moving then to the output, for example a belt conveyor. Once the device 10 is released, i.e. the transport sections 13, 14 can be no more one foot 50, the device 10 can be placed next block.

Figa-6d show transportation unevenly shared block 49. Block 49 extends through the clamping carriage 51, etc. on the device 10 is placed over it. Previously, however, the conveying elements 11, 12 have been shifted such that the transport section 13 of the conveying element 11 was the mind is lsen, and transport section 14 transport element 12 is increased, namely, length approximately corresponding to the width of two units or stop 50. Thus, separation of the device 10 in the ratio of 70:30 and 30:70. As soon as the drive shafts 39, 40 will cause the conveying elements 11, 12 in motion, partial blocks 55, 56 are transferred to the outputs. When partial blocks 55, 56 fully leave the device 10, in the area of device 10 may be inserted a new block 49.

With the help of the device 10 can be used to form other partial blocks than shown blocks 52, 53, 55, 56. It depends mainly on the corresponding task on the subsequent packaging machines. In addition, you can also bring both conveying element 11, 12 in the same direction, so that one complete unit can be transported with one hand.

1. Device for transporting items across the direction of their receipt, containing mainly two continuous made with the possibility of rotation of the conveyor element (11, 12), each having transport (13, 14) and a return (15, 16) plots driven independently of each other through the drive and opposite to each other with formation of a separating seam (18) with an imaginary middle axis (17), and received items when actuation transport is the dominant elements (11, 12) are transported in both sides of the mentioned devices, kits ogylnych rollers for maintaining, tension and alignment of the conveying elements, a movable element (33) to change transport (13, 14) or return (15, 16) of the site, and a mobile element (33) connects the transporting elements (11, 12), as well as the balancing element (34) to compensate for the change in return (15, 16) or transport (13, 14) plot, characterized in that the mobile (33) and surge (34) is as separate elements.

2. The device according to claim 1, characterized in that the balancing element (34) connects the transporting elements (11, 12), regardless of the mobile element (33).

3. The device according to claim 1 or 2, characterized in that the mobile element (33) is performed actively driven, and the egalitarian element (34) is passively moving.

4. The device according to claim 3, characterized in that the mobile (33) and surge (34) items made with the possibility of movement parallel to and towards each other in the same horizontal plane, and the motion of the mobile element (33) can be forcibly transferred to the egalitarian element (34).

5. The device according to claim 1, characterized in that the mobile element (33) is arranged to interact with balancing element (34) through the outskirts of yousie elements (11, 12).

6. The device according to claim 1, characterized in that the displacement of the mobile element (33) and, accordingly, the separating seam (18) is compensated by equalization element (34).

7. The device according to claim 1, characterized in that the mobile element (33) is designed as a mobile carriage and egalitarian element (34) in the form of egalitarian carriage.

8. The device according to claim 1, characterized in that each set ogylnych rollers consists of at least three tension or guide rollers(19, 20, 22; 23, 24, 26) and at least one leveling roller (31, 32).

9. The device according to claim 8, characterized in that the leveling rollers (31, 32) are located on the equalization element (34) or to balance the carriage.

10. The device according to claim 8 or 9, characterized in that the mobile element (33) or a mobile carriage is a tension or guide roller (19; 23) of each set.

11. The device according to claim 1, characterized in that the other ogibna rollers of each set are fixed on the supporting element, preferably the side wall (35) or in the zone of the rails (36, 37).

12. The device according to claim 8, characterized in that the tensioning rollers or rails (19, 22; 23, 26) and leveling rollers (31, 32) of each set are located in the zone of the separating seam (18) in such a way that the transporting elements (11, 12) have S-on the different path.

13. The device according to claim 1, characterized in that each set contains additionally at least one control roller(27, 28; 29, 30), moreover, the control rollers (27; 29) located on the mobile element (33).

14. The device according to claim 1, characterized in that it is provided with a single common tensioning device (38) for both conveying elements (11, 12).

15. The device according to claim 1, characterized in that the transporting elements (11, 12) made in the form of a rotating continuous transport belts or transport of paintings.

16. The device according to claim 1, characterized in that it further includes means for transporting the objects in the direction of the transporting elements (11, 12)perpendicular to the direction of receipt of the items, with the possibility of laying objects on the specified elements.

17. The device according to item 16, characterized in that the additional means includes passing across the device (10) or transporting elements (11, 12) conveying element and/or the clamping carriage (51).

18. The device according to claim 1, characterized in that each transport section (13, 14) corresponds to one support device (60, 61), made with the possibility of changing the length in the transport direction of the movable element (33).



 

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