The method of unloading the stacks of sheets and device for unloading stacks of sheets

 

(57) Abstract:

The invention relates to a method of unloading one or more stacks of sheets, in particular of securities on the output of the machine, which is part of the installation for the production of securities, as well as to a device for unloading such stacks of sheets. The method includes the installation of the container (1) having at least one door (6) from the rack (31) with pallets, fixing and locking the container relative to the rack, handling pallets (32) with stacks (36) from the rack in the container, closing the door of the container, the unlocking of the container by providing the possibility of further travel. The use of the invention provides a reduction of manual manipulation piles of leaves and as a consequence reducing the risk of damage or loss. 2 C. and 10 C.p. f-crystals, 13 ill.

The invention relates to a method for unloading one or more stacks of sheets, in particular sheets of securities, the output of the machine, which is part of the installation for the production of securities, as well as to a device for unloading one or more stacks of sheets.

The term "machine for the production of securities" need to understand the machine print, mistnosti machines printing fine thread, sheets of paper intended for printing, are fed to the input of the printing machine, do it one by one and they will be stamped, or only on the front side, or front and back. At the final stage, the sheets are directed to the output of the printing machine.

The output of the machine for the production of securities is usually at least two shelves, filling is carried out as follows: the Board in the form of a tray or plate is served on the horizontal guides on one of the shelves, while the guides are mounted on the system type "paternoster". Then on the pallet receives the printed sheets to form a stack of a certain size, for example from five hundred sheets. At this point you select another rack for new printed sheets output, which previously entered the pallet, while the guides and the pallet with the stack of sheets of the first rack is moved down. On the guides of the first rack introduces a new pallet and it will be installed on the printed sheets when you select this rack after dialing the full stack on the pallet of the second rack. The placement of the leaves on this new pallet and subsequent pallets continues in turn until the set is th. The patent application EP, 0,725 027 discloses an example of filling the shelves of the printing machine. According to the description of this application, the stack of sheets is then loaded with racks on the truck and hauled away.

Release rack at the outlet continues to be the operation is performed manually, in which the pallets with stacks of leaves extract from the rack and reloaded onto a truck. This overload is carried out for all pallet rack, each rack contains usually ten pallets; after filling the truck with ten pallet rack vvozitsya to another machine for the production or storage.

The main inconvenience of manual overload pallets with stacks is that, on the one hand, the printed sheets can be dirty or damaged, and on the other hand, they can be stolen when moving between the two machines. Rucka overload is very hard work, as each stack of sheets weighs from 30 to 40 kg. in Addition, theft of printed sheets is invalid.

Object of the invention is the maximum possible reduction of manual manipulation stacks of printed sheets and as a consequence reducing the risk of damage to or the us, equipped with at least two racks with trays, the method differs in that it contains the following stages:

a) installing a container having at least one door from the rack to the pallet;

b) fixing and locking of the container relative to the rack;

in) overload pallets with stacks from the rack to the pallet in the container;

g) closing the door of the container;

d) unlocking the container to move it.

This results in at least partial automation of the process of unloading and loading of stacks of sheets.

The claims 2 through 5 define the preferred variants of the method according to the invention.

Preferably, all of the stack of sheets were downloaded from the rack to the pallet production machinery in the container at the same time.

All operations is carried out automatically through appropriate management, transportation devices and control devices. Thus, the responsible operation of moving pallets with stacks from the rack in the container is constantly in a closed space without manual operations, and, on the other hand, it is sterile without the risk of being stolen or damaged.

The device according to the invention, the unloading of stacks of sheets of securities on the output from the production machine containing at least one rack to the pallet, characterized in that it includes:

a closed container, at least one wall of which has a door that can open and close automatically,

fixation device and locking of the container relative to the rack on the way out,

device opening and closing of the container,

handling system to move the pallet with the stack from the output of the rack in the container,

automatic system for control and monitoring devices fixing and locking device opening and closing door system overload and position of the door.

The claims 7 through 12 define the various options of method of manufacturing the device according to the invention.

One of the advantages of the device according to the invention is its full modularity that allows you to install it on new machines for the production of securities, and on machines already in use.

The present invention can be better understood when the description of the method according to image the.

The figure 5 shows the container in the front.

The figure 6 shows the container side view in partial section.

The figure 7 shows the container bottom.

The figure 8 shows the front view of the fixation system and locking.

Figure 9 shows a side view in axial section of the fixation system and locking.

The figure 10 shows the same as Fig.8,9 system, top view.

The figure 11 shows a top view and partial horizontal section of system overload.

The figure 12 shows the front view in the context of system overload.

The figure 13 shows a side view of a system overload.

Description of the method of automatic unloading is provided below with reference to figures 1 to 4.

The figure 1 shows the rack 31 with pallets 32 machine 34 production of securities, provided by the system 20 of the lock and lock and plunger 41, a more detailed description of which will be described below. The first pallet 32 is placed on the rack 31. A closed container 1, provided with a door 6, is placed on the output side of the rack 31 to the pallet 32. The system 20 of the detent and lock in retracted. In addition, the plunger 41 is drawn inside of the rack 31.

In figure 3, the container 1 is aligned with the fixation system 20 is in the locked position relative to the rack to the pallet manufacturing machine 34, and the door 6 of the container 1 is in the open position and the plunger 41 moves the group of ten pallets 32, each of which is a stack of sheets 36, with the open side of the rack 31 in the container 1, while the eleventh tray 32 is in the upper part of the rack 31 at its input and accepts new printed sheets, which will be new stack 35. After reloading the door 6 of the container 1 is closed, the system 20 of fixation and blocking moves to its original position and the plunger 41 is returned in the depth of the rack 31.

In figure 4 the closed container 1 filled with stacks of sheets 36, moves on pokr.

Description of the container 1 is shown with reference to figures 5 through 7. The container 1 is completely closed and consists of a frame holding four side walls 2, 3, 4 and 5, one of which is provided with a door 6 which is able to move in the vertical direction. In addition, the container 1 includes a horizontal guides 11, 12 located opposite each other in pairs for receiving pallets 32 with stacks of sheets 36. The vertical distance between the guide 11 and the guide 12 corresponds to the vertical distance between the supports of the pallet 32 on the rack 31 production machine 34.

The container 1 also has four legs 8, 9, 14 and 15, the bottom 13 and the cover 10 fixed to the frame. The door 6 is screwed onto the rod 16. In figures 5 and 6 also shows the stack 36 on pallets 32. In addition, the fixed wall shelves can be made of fishnet.

The frame of the container is made sufficiently rigid and durable to withstand the weight of the contents of a large number of containers filled with stacks of sheets. In addition, the cover 10 is equipped with devices (not shown) for inserting the legs of the container when folded.

The system 20 of the latching and locking described with reference to figures 8 through 10. The system 20 is adapted on ofany two pointer 24, 25 provisions. The very base 19 is fastened to the rack 31 by means of vertical guides 22, 23, for example of the slide 22, 23, allowing its movement in the vertical direction, which is provided with two pneumatic jacks 21, 21'.

In addition, two index 24, 25 can be mounted on springs (not shown) that allows to compensate the distortion of the container 1, if the floor is uneven.

The device opening and closing of the container is also fixed on the base 19. This device includes at least one pneumatic motor 26, the valve 27 opening and closing doors and one drive transmission between the motor 26 and the valve 27 and the limiter 30 torque.

Fixing and locking of the container 1 relative to the rack 31 to the pallet making machines 34 is as follows: the container 1 is brought into position opposite the outlet of the rack 31 or the front part or side, and two legs 8,9 container from the machine 34 are inserted in two corresponding cone in the floor (not shown) and fixed relative to the output of the rack 31. Autozentrum legs 8,9 container 1 in the cones coordinated position the container is alausa 22,23 pneumatic jacks 21, 21' and the pointers 24, 25 penetrate into corresponding holes (not shown) of the container 1. If you get pointers 24, 25 in its place, the position of the container 1 is locked relative to the rack 31 production machine 34 and may be overloading the trays 32.

The valve 27 opening and closing of the door is driven by a pneumatic motor 26 to open the door 6 of the container 1, for example, by means of the belt.

The container 1 also includes a device that allows opening his door 6 from the outside. The container 1 shown in figures 1 through 7, has a door 6, roll in its upper part, these devices may represent, for example, a vertical worm gear, the upper end of which communicates with the valve 27 opening and closing, and the lower end of the threaded part provides the rotation of the horizontal rod 16 in the container 1 around which minimized the door 6. In case of any problems with folding door restrictor 30 torque avoids overload of the motor 26.

When the door 6 is fully opened, can be overloaded trays 32, after which when>/P>In the private version adds a safety element 28 made in the form of a finger which holds the system 20 of the detent and lock in the raised position in the event of termination of the supply of compressed air system 20 of the latching and locking.

In figure 9 the pointer 25 is shown dash-dotted lines in lowered position, which allows the blocking of the container.

The overload system is described with reference to figures 11, 12 and 13. The system 40 includes overload the plunger 41 in the form of vertical posts, two horizontal frame 42 and 43 interconnected by means of a guide rail 44, which is mounted for moving the pusher 41. For the drive of the pusher 41 along the guide rail 44, the system includes a worm screw 45 that is located parallel to the guide rail 44.The screw 45 at one of its end portions connected with the gear 48 connected to a motor 46 through a gear shaft 49 and safety limiter 47 torque. The whole system 40 overload mounted within each rack with trays of the machine for the production of securities and overload from the rack and pre-recorded and locked Conte is the worm screw 45, moves the pusher 41 along the guide rail 44. This movement of the pusher 41 provides an overload of all pallet rack in the container 1 at one time. After the overload pallet rotation of the motor 46 reverses direction and the plunger 41 moves back along the rail 44.

Figure 12 shows two protective sheet 50, 51, and the sheet 51 can protect the motor 46 of the drive of the pusher 41.

To automate the process applies the power management and control, and device control, device control, and device transfer. The control unit and control allows you to define executable commands, such as the lowering of the fixation system and lock the door, the movement of the plunger, closing the door or release the container. This unit may represent a computing device. Device control allows to control that the team can be made or already made. These devices include, for example, the position sensors connected to the movable parts of the device. Transmission device, such as cables or pneumatic diagrams allow you to send commands from the control unit and controls applicable to is retenu is it perfectly modulated. Indeed, the anchoring system can be placed without anything else on an existing machine for the production of securities, since it is sufficient to mount it on a rack with a drip tray and connect the pneumatic parts for existing car system compressed air. On the other hand, the overload system can be built in shelves with trays of existing production machines.

Embodiments of the devices are given as examples and there are various options within the claimed invention. For example, the shelving making machines can also be equipped with a sliding door. This door can only be opened at a fixed or locked container and is closed after closing the door of the container. This design allows you to create a camera for the printed sheets, free cannot be accessed at any time.

In addition, the container may nakativaetsa vertically on one side of the container instead of horizontally at the top of the container.

The container may also be equipped with a second door, similar to the first and located on protivopul">

1. The method of unloading the stacks of sheets of securities at the outlet of the machine for the production of securities with at least one rack to the pallet, characterized in that it contains the following automated steps: (a) installing a container having at least one door from the rack to the pallet; (b) fixing and locking of the container relative to the rack, in) overload pallets with stacks from the rack in the container, g) closing the door of the container, d) unlocking the container, with capability to move it.

2. The method according to p. 1, characterized in that the installation phase and block includes the following steps: installing the container using autoantibody devices, locking the container using fixation system, the phase lock of the container includes the following steps: connecting the valve opening and closing doors, positioning of the door drive motor associated with the valve opening and closing doors, to open the door, if necessary, and the connection of the valve opening doors, taking place simultaneously with the locking of the container fixation system.

3. The method according to p. 1 or 2, characterized in that the PE the I phase overload use pusher.

4. The method according to any of paragraphs. 1-3, characterized in that the step of closing the container includes the following steps: a drive motor associated with the valve opening and closing the door to close the door, moving the valve opening and closing door, locking the door.

5. The method according to any of paragraphs. 1-4, characterized in that the step of unlocking the container includes the removal of the restraint system.

6. Device for unloading stacks of sheets of securities at the outlet of the machine for the production of securities, including at least one rack to the pallet, characterized in that it comprises a closed container (1) at least one of the walls (2, 3, 4, 5) which has a door (6), which can be opened and closed automatically, the system (20) of the fixing and locking of the container (1) with respect to the rack (31) with pallets, the device opening and closing(16, 17, 26, 27, 29, 30) door (6), system (40) overload for moving pallets (32) with stacks (36) from the rack (31) s container (1), automatic management and control system (20) of the fixing and locking device opening and closing(16, 17, 26, 27, 29, 30), system (40) overload and position of the door.

7. The device according to p. 6, differentiate (3, 5) have one pair of support (11, 12) adapted for receiving pallets (32) with stacks (36), and legs(8, 9, 14, 15), the door is mounted with possibility of vertical travel.

8. The device under item 6 or 7, characterized in that the system (20) of the fixing and locking device includes installation on the floor formed by two autoantibodies cones, fixed relative to the rack (31) to the pallet, for receiving at least two legs (8, 9, 14, 15) of the container (1) at least one Jack (21, 21'), one ground (19) installed at the outlet of the production machine (34) can be moved along the guide rails, formed by two systems of vertical rails (22, 23), and at least one pointer (24, 25) installation fixed on the basis of (19) with the possibility of interaction with the corresponding hole in the container (1), Jack (21, 21') is able to move the base (19) along the guides of venutolo position to the lock position of the container (1) with respect to the rack (31) with pallets.

9. Device according to any one of paragraphs. 6-8, characterized in that the device opening and closing of the door (6) of the container (1) comprises a rod (16) for winding interacting with the worm peredacha, the transmission element connecting the motor (26) with a latch (27) with the rod (16) and a worm gear mounted on the container, and a motor (26), the valve (27) opening and closing and the transmission element connecting the motor (26) with a latch (27) are mounted on the rack (31) on the basis of (19).

10. Device according to any one of paragraphs. 6-9, characterized in that the system (40) overload includes at least one frame (42, 43), one pusher (41) moving in the lateral direction on the guide rail (44) with the plunger (41) has a height sufficient to move the entire group of pallets.

11. The device according to p. 10, characterized in that the drive device of the pusher includes a motor (46) and the worm screw (45) interconnected transmission shaft (49) and gear (48).

12. The device according to p. 11, characterized in that the device opening and closing(16, 26, 27, 29, 30) the doors of the container (1) include a current limiter (30) of torque to prevent overloading of the motor (26), the drive of the pusher (41) includes a limiter (47) torque to prevent overloading of the motor (46) and the device has a safety element (28), Ude

 

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