Packing unit for batch printing in a flexible tubular sheath

 

The invention relates to portsionirovaniem individual sausages in the flexible tubular sheath. The device includes jaws elements in the form of strips, which are made to rotate relative to each other. One of their ends fixed to the outer ring at regular intervals, and the other end with the possibility of rotation and longitudinal movement is installed on the inner ring of the device. The device contains at least three jaws of the element, the segments of the working surface of which, facing the hole, bent or curved in the main plane. Thus, each strap goes on the shell in several segments of the contact surface causes the radial crimping of the shell, without transverse movement between the sheath and strap. The invention provides improved formation of the neck at the time of closing of the filling device. 6 C.p. f-crystals, 12 ill.

The invention relates to a filling device for batch printing in a flexible tubular casing, jaws containing the elements can be rotated relative to each other to overlap and the location is imago size and by reducing the hole compresses filled tube; and squeezing elements consist of strips, the ends of which are fixed, swivel, set at equal intervals on a circle concentric to the axis of the tube and the hole; while their other end part of the guide in the ring, which also made concentric with respect to the axis of the tube and the hole, and made with the possibility of rotation around it to a restricted limit, with the result that they are in a graduated arc of his self-aligning bearings on the chord and made from rotary and longitudinal movements relative to the ring in their main plane.

It is known from DE 19606654 C1 filling device for portioning a separate sausages from a continuous sausage workpiece. As the jaws of the elements provide at least four bands that each opening and closing always have a parallel pair location and describe the square (every time a different size). Regardless of applicability during operation of this known device has proved that the square jaws of the hole, in particular in the case of tubular packaging of large diameter, can create problems of formation of Obi the th between the tubular sheath and squeezing elements move all four strips during compression represents a clear improvement compared to conventional filling devices with two linearly or pivotally movable jaws elements, having two working surfaces, passing essentially at right angles to each other (DE 3610010 A1, DE 2550042 A1).

The objective of the invention is to improve the formation of the neck at the time of closing of the filling device, in particular, in the case of tubular packaging of large diameter, thus providing a lateral move, or even more slimming shaping of the neck during the closing operation the packing device. According to this invention, this problem is solved by providing at least three jaws of the item, the working surface of which, facing the hole, bent or curved in the main plane. Thus, the hole shape, approaching more or less perfect round shape finally get the neck tubular casings which are essentially permanently fixed and closed by a similarly essentially all closing clamps; at the same time, a greater number of parts of the working surface of the squeezing elements distributed over the circumference, promotes radial crimping of the tubular shell toward the axis of the tube and the hole, resulting in poperenko such execution squeezing elements, compared to the known filling devices with jaws elements are rotatable and have a certain set of working surfaces, passing under some angle to each other, are rotatable around the same axis, and around several axes, distributed over the circumference, is manifested in a greater degree of bending or curvature of the jaws of the elements at an obtuse angle.

Typically, the jaws are made from relatively thin (compared to their width) of the sheet. In accordance with one of the embodiments of the invention provides a double bending (Z-shaped) jaws items from their (initial) main plane essentially on the thickness of the jaws of elements along a line that passes radially relative to the axis of the tube and the hole. Therefore, each squeezing element is made to rotate in the same plane, and therefore need not be arranged in staggered parallel to the axis of the tube and the hole. But the plane corresponding to a single rotation axis of all the squeezing element is displaced relative to the plane of the respective other axis of rotation parallel to the axis of the tube and the hole, which rely in one and in another plane in the peripheral direction. But a major advantage is that even in the case of three, four or even more elements, only two adjacent planes are closed jaws elements, and therefore the total thickness of the filling device essentially corresponds to only double the thickness of the jaws of elements.

When packing device of the present invention is part of a dilator having two groups jaws of items that are in the closing state, you can move at an axial distance from each other, squeezing the elements of the second group can appropriate mutually offset with respect to the elements of the first group at a quarter angle interval of neighboring elements around the axis of the tube and the hole. This “round” this hole even more, and it will be possible, for example, to distribute all four jaws of the element between the two groups with the two jaws of the element, thereby eliminating the disadvantages of the known prior art (DE 3610010 A1, DE 2550042 A1).

In the specified extender: two groups jaws of the elements can be made to rotate and to bring them into effect during the operation of the expansion synchronously with each other or relative to each other to thereby surrounding elements to each other, to ensure the removal of the material of the tube and thereby to avoid overloading of the material of the tube in the area of crimping.

Embodiments of the invention illustrated in the drawings:

Fig.1 is a horizontal projection of the packing device according to this invention in an open state;

Fig.2 - filling device, depicted in Fig.1, in the closed state;

Fig.3 is a cross section of the expander with two filling devices depicted in Fig.type 1, located respectively adjacent to each other;

Fig.4 is depicted in Fig.3 extender in a closed and an expanded state;

Fig.5 is a horizontal projection extender containing two filling device (groups jaws of the elements represented in Fig.type 1 (open), which is made to rotate relative to each other;

Fig.6 is a cross section of the expander, depicted in Fig.5;

Fig.7 is depicted in Fig.5 the extender in the closed state;

Fig.8 - extender according to Fig.7 in the expanded state;

Fig.9 is another embodiment of the device according to the invention with four jaws elements in two groups (categorizes devices), each of which has two Onimusha.10 - the cross section of the device according to Fig.9;

Fig.11) device according to Fig.9 in the closed state;

Fig.12) device according to Fig.9 in working condition Fig.11 in the extended position.

According Fig.3: packing unit 1 depicted in Fig.1, is located concentrically with respect to the axis 2 of the stuffing tube 3 of the stuffing machine (not illustrated) for the manufacture of separate successive sausages filled continuous sausage workpiece. On the stuffing tube 3 is stock tubular shell 4, which during the operation of stuffing drawn through the brake 5 of the shell. Axis 2 of the stuffing tube is simultaneously the axis of the tubular sheath 4 and the openings 6 of the filling device 1. Fig.3 also depicts filled with continuous sausage the workpiece 7, the front end of which is in the direction of the gaskets is closed by the clamp around 8 cap 9.

Gasket continuous sausage workpiece using a filling device, which is open according to Fig.1 and 3, is continued until the desired batch size. Then filling the device moves in a closing position, depicted in Fig.2 - in the case of a dilator according to Fig.4, and moves in the depicted extended position the Ute on the neck 9, educated closed filling device and elongated during expansion, and the neck 9 can be cut between the clamps.

According Fig.1: packing unit has an outer ring 10 and inner ring 11 that is entered into it concentrically. At position 13: each of the three jaws of the elements 12 can be rotated installed on the outer ring 10 at one end; the other ends also can be rotated and, to a lesser extent, longitudinally and can move installed on the inner ring 11 using the combination of the slide and the axial guide 14.

Squeezing elements 12 consist of flat strips, which are illustrated in Fig.1-4 example, bent at an obtuse angle (120°) at position 15, resulting in each of the three jaws of elements with two working surfaces 12A forms an equilateral hexagonal hole 6. Each of the jaws of the elements 12 is curved double line running radially from the axis 2 through the point 15 of the bend; bend 16 leads to the displacement of the two parts 12b and 12C each squeezing element 12 to the approximate thickness of the sheet jaws of the element in the direction of axis 2 (Fig.3).

The outer ring 10 is attached only to the La rotation of the inner ring 11 relative to the outer ring 10. By adjustable eccentric 19 you can change the main adjustment between the two rings 10, 11 and therefore the size of the hole 6 with the relative position of the rings 10, 11 relative to each other.

If packing unit 1 sweepout for education extender, extends the linear movement of the two packing devices 1 (groups jaws elements 12) is provided by the rod 20 of the holder 17 and the rod 21 with the Cam 19 (rod 21 is diametrically opposed to the rod 20).

Extender, depicted in Fig.5-8, similar to the extender according to Fig.3, 4 also contains two filling device 1 according to Fig.1 and 2, but two filling device (groups squeezing elements are mutually shifted by a quarter of an angle interval of adjacent elements 12 around the axis 2 of the tube and the hole: 30° in the illustrated case. For clarification: jaws elements of the filling device shown in Fig.5 lines of different thickness compared to the jaws with the elements of another packing unit. Fig.7 illustrates that, in particular, in the closed state of the dilator opening 6 substantially approaches the desired round shape, although working surfaces (and the .9-12, which contains four jaws of the element 12’, containing two elements and distributed between the two groups separate filling device rotatable relative to each other at 90°. Squeezing elements 12’ is also bent, but additionally have recesses 22 near the line 15’ of the curve, and line 16 double curve does not pass radially with respect to axis 2, but at an angle that is offset from it. Despite the small total number squeezing elements 12’, these solutions do not result in a sufficiently rounded hole 6’ in the closed position (Fig.11) with the still small transverse movement between the tubular sheath 4 and the working surface 12A’ jaws elements 12’.

Claims

1. Packing unit for batch printing in a flexible tubular sheath containing the squeezing elements, is arranged to overlap each other and can be rotated against each other symmetrically relative to the axis of the tube; however, jaws elements together describe the hole resizable and by reducing the hole compresses filled tubular shell, with jaws ale the shafts on the outer ring of the device, while the other ends with the possibility of rotation and to a lesser extent of longitudinal displacement is installed on the inner ring of the device using the combination of the slide and axial guidance, characterized in that provided at least three jaws of the element (12), the working surface (12A) of which facing the hole (6), made curved (15) or curved base plane.

2. Packing unit under item 1, characterized in that the bending or curvature have an obtuse angle.

3. Packing unit under item 1 or 2, characterized in that the squeezing elements (12; 12’) is made curved, double - (Z-shape) of their base plane, essentially on the thickness of the jaws of the elements (12) along a line passing radially relative to the axis (2) of the tube and the hole.

4. A filling device according to any one of the preceding paragraphs, characterized in that it contains two groups jaws of items that are in the closing state is arranged to move in an axial distance from each other (extender), while squeezing elements (12; 12’) of the second group is shifted relative to the elements of the first group on the part of the angle interval of the neighboring elements (12) around an axis (2) tube and response (12’), which are distributed between the two groups of the two jaws of elements, each of which is shifted relative to the other half angle (90°) interval corresponding to two elements around the axis (2) of the tube and the hole.

6. Packing unit according to one of the preceding paragraphs.1-3, characterized in that it contains two groups jaws of items that are in the closing state is arranged to move in an axial distance from each other (extender), and during the operation of expanding two groups squeezing element (12; 12’) is made to rotate and actuate the synchronously with each other or relative to each other.

7. Packing unit under item 4 or 6, characterized in that the two groups squeezing element (12; 12’) is made with the possibility of closing one after another.



 

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