Transfer device for composite food packaging film production

Abstract

The invention relates to the field of conveyors, in particular to a transfer device for composite food packaging film production, which comprises a conveyor, a belt pressing roller is fixedly mounted on a rack of the conveyor, the belt pressing roller is pressed on a conveying belt of the conveyor to form a downward concave part, and a top cutting seat is arranged on the inner side of the downward concave part of the conveyor. The top cutting device comprises a top cutting base, a silica gel pad is installed at the upper end of the top cutting base, two stand columns symmetrically extend from the lower end of the top cutting base, main frames are elastically installed on the outer surfaces of the two stand columns, the main frames are fixed to a rack of the conveyor, and first bearing shafts are rotationally installed on the lower portions of the side faces of the two main frames; the end of the first bearing shaft extends to form a rail shifting lug, and the end of the rail shifting lug is rotationally provided with a frame connecting rod. The service life of the conveyor is prolonged, normal conveying of the packaging film is ensured, the processing quality of an easy-to-tear line of the packaging film is improved, and the integrity of the packaging film during conveying is also ensured.

Description

Technical Field

[0001] The present invention relates to the field of conveyors, in particular to a transfer device for producing composite food packaging films. Background Art

[0002] Composite food packaging film refers to a functional film used for food packaging, made through a multi-layer composite process. Its core function is to leverage the complementary properties of different materials to protect, preserve, and conveniently package food, while simultaneously meeting food safety, transportation, storage, and consumer needs.

[0003] The production process of composite food packaging film typically requires the use of conveyors to transport the film. During this process, a blade die-cutting method is used to simultaneously process the film's tear line, achieving intelligent automated production. However, during actual transportation, since the film is attached to the conveyor belt during transportation, the metal blades used to process the tear line can scratch the conveyor belt, shortening the conveyor belt's lifespan and seriously affecting the conveyor's service life. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a transfer device for producing composite food packaging film.

[0005] Base comprises support, castor, and frame upper is provided with guide rail, and support and conveyer frames movable end contact site are provided with recoil spring or rubber cushion, and castor is arranged on the pin of base bottom four, to carry mobile handler location.

[0006] Preferably, a guide column is slidably installed through the middle of the L-shaped frame, and the end of the guide column is fixed to the main frame. A T-shaped bar is embedded through the end of the L-shaped frame, and the T-shaped bar slides through the end of the main frame, and the upper end of the T-shaped bar is fixed to the lower end of the transfer rail.

[0007] Preferably, a push seat spring is wound around the outer side of the column, the upper end of the push seat spring is fixed to the main frame, and the lower end of the push seat spring is fixed to the lower end of the column. Film pressing rollers are provided on both sides of the lower recess of the conveyor, and the film pressing rollers are connected to the frame of the conveyor.

[0008] Preferably, the flattening piece includes sub-frames extending respectively on the upper side of the two main frames, and two center rods are symmetrically and rotatably installed between the vertical sections of the two sub-frames. A plurality of film-drawing rollers are elastically installed in a circular array in the middle of the outer surfaces of the two center rods, and the outer surface of the center rod located below is connected to the outer surface of the No. 1 load-bearing shaft through a pulley with a No. 1 belt.

[0009] Preferably, a No. 2 load-bearing shaft is rotatably installed on the lower parts of opposite surfaces of the vertical sections of the two sub-frames, and a No. 2 belt is connected between the end of the center rod located above and the outer surface of the No. 2 load-bearing shaft through a pulley, and the end of the No. 2 load-bearing shaft and the end of the center rod located below are coaxially inlaid with gears, and the two gears are meshed.

[0010] Preferably, a roller shaft is rotatably installed through the middle of the film-stretching roller, and both ends of the roller shaft extend from the two ends of the film-stretching roller. A telescopic shell is rotatably installed at both ends of the roller shaft, and a telescopic seat is slidably installed inside the telescopic shell. The telescopic seat passes through the end of the telescopic shell, and the end of the telescopic seat is fixed to the center rod. A top roller spring is fixedly installed on the inner top surface of the telescopic shell, and the end of the top roller spring is fixed to the telescopic seat.

[0011] Preferably, a servo motor is fixedly mounted on one of the sub-frames, the output end of the servo motor is fixed to the center rod located above, two plate seats are symmetrically and slidingly mounted in the middle of the vertical sections of the two sub-frames, the ends of the two plate seats are inlaid with support plates, and the ends of the two rollers close to each other on the two center rods are respectively pressed against the opposite sides of the two support plates.

[0012] Preferably, threaded columns are rotatably installed in the middle of opposite surfaces of the vertical sections of the two sub-frames, and threaded sleeves are screwed on the outer surfaces of the threaded columns. Two adjusting plate frames are symmetrically rotatably installed on the upper and lower ends of the threaded sleeves. The adjusting plate frames are arranged at an angle, and the end of the upper adjusting plate frame is rotatably connected to the upper plate seat, and the end of the lower adjusting plate frame is rotatably connected to the lower plate seat.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. By forming a concave portion on the conveyor belt of the conveyor, the packaging film can be temporarily separated from the conveyor belt of the conveyor. Then, the rotating No. 1 bearing shaft is used to drive the rail ear to rotate circumferentially, thereby driving the connecting rod to move, so as to push the L-shaped frame, so that the moving seat rail can reciprocate, and then the roller rolls on the moving seat rail. When the roller rolls to the inclined surface of the moving seat rail, the roller will move up along the inclined surface of the moving seat rail, thereby driving the cutting seat to move up, so that when the metal blade moves down to process the easy-tear line of the packaging film, the cutting seat that moves up is used to remove the metal blade from the bottom of the packaging film. The moving seat rail moves in the opposite direction after the easy-tear line processing is completed, and the push seat spring recovers its deformation, allowing the roller to gradually break away from the inclined surface of the moving seat rail and move to the plane, so that the upward cutting seat moves down and resets to separate from the packaging film, so as to avoid the silicone pad on the cutting seat from contacting with the packaging film and generating a large friction force that affects the transportation of the packaging film, thereby ensuring the normal transportation of the packaging film.

[0014] 2. The two center rods rotating in opposite directions can drive the film-pulling rollers on the two center rods to rotate continuously toward each other. When the film-pulling rollers on the two center rods rotate close to each other, the roller shafts of the two close film-pulling rollers will respectively press against the opposite surfaces of the two support plates. At this time, the two close film-pulling rollers just clamp the packaging film. Then the center rod continues to drive the film-pulling rollers to rotate. At this time, the roller shafts move on the support plates, allowing the two close film-pulling rollers to change from circular motion to linear motion, thereby pulling the clamped packaging film and straightening the packaging film. This cycle allows the packaging film to be processed in a flat state, thereby improving the processing quality of the easy-to-tear line of the packaging film. At the same time, under the action of the film-pulling rollers constantly pulling the packaging film, it can ensure that the packaging film passes smoothly through the concave part of the conveyor, thereby further ensuring the normal transportation of the packaging film.

[0015] 3. By rotating the threaded column, the threaded sleeve can be driven to move, and then the plate adjustment frame can be driven to move, so as to push the plate seat and enable the two pallets to move synchronously, thereby adjusting the distance between the two pallets, and then adjusting the distance between the two film-pulling rollers after they are close together. In this way, the clamping force of the two film-pulling rollers on the packaging film can be reasonably changed according to the different specifications of the packaging film, and then the pulling force on the packaging film can be changed to avoid the packaging film from being broken due to excessive pulling force, thereby ensuring the integrity of the packaging film during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a transfer device for producing composite food packaging film according to the present invention; Figure 2 This is a schematic diagram of a film-drawing roller of a transfer device for producing a composite food packaging film according to the present invention; Figure 3 The invention relates to a transfer device for producing a composite food packaging film. Figure 2 A magnified view of middle A; Figure 4 This is a schematic diagram of an L-shaped frame of a transfer device for producing composite food packaging film according to the present invention; Figure 5 This is a schematic diagram of the center rod of a transfer device for producing composite food packaging film according to the present invention; Figure 6 This is a schematic diagram of a support plate of a transfer device for producing composite food packaging film according to the present invention; Figure 7 This is an internal view of a telescopic housing of a transfer device for producing composite food packaging film according to the present invention; Figure 8 This is a usage view of a transfer device for producing a composite food packaging film according to the present invention.

[0017] In the figure: 1. Conveyor; 2. Film pressing roller; 3. Belt pressing roller; 4. Main frame; 5. Servo motor; 6. Film pulling roller; 7. Silicone pad; 8. Telescopic shell; 9. Telescopic seat; 10. Center rod; 11. Support plate; 12. Plate seat; 13. Roller shaft; 14. Column; 15. Push seat spring; 16. Roller; 17. Shift seat rail; 18. Guide column; 19. T-bar; 20. L-shaped frame; 21. Connecting rod; 22. Rail lug; 23. No. 1 load-bearing shaft; 24. No. 1 belt; 25. Cutting top seat; 26. Plate adjustment frame; 27. Threaded sleeve; 28. Threaded column; 29. Sub-frame; 30. No. 2 belt; 31. No. 2 load-bearing shaft; 32. Gear; 33. Top roller spring; 34. Packaging film. DETAILED DESCRIPTION

[0018] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are merely examples, and those skilled in the art may conceive of other obvious variations.

[0019] like Figures 1-8The transport device for producing composite food packaging film shown in the figure includes a conveyor 1, a belt pressing roller 3 is fixedly installed on the frame of the conveyor 1, and the belt pressing roller 3 presses on the conveyor belt of the conveyor 1 to form a concave portion. Under the action of the concave portion formed by the conveyor belt of the conveyor 1, the packaging film 34 can be temporarily separated from the conveyor belt of the conveyor 1. A cutting seat 25 is provided on the inner side of the concave portion of the conveyor 1, and a silicone pad 7 is installed on the upper end of the cutting seat 25. The cutting seat 25 can support the packaging film 34, and the silicone pad 7 can avoid hard contact with the metal blade, thereby avoiding damage to the metal blade. The method of processing the easy-tear line of the packaging film 34 by a downwardly moving metal blade is an existing technology and has been widely used. Therefore, it is not elaborated on here and is not shown in the figure. Two columns 14 are symmetrically extended from the lower end of the cutting top seat 25. The outer surfaces of the two columns 14 are elastically mounted with a main frame 4. The columns 14 and the main frame 4 play a role in guiding the cutting top seat 25. The main frame 4 is fixed to the frame of the conveyor 1. The lower parts of the sides of the two main frames 4 are rotatably mounted with a No. 1 bearing shaft 23. The end of the No. 1 bearing shaft 23 is extended with a rail ear 22. The No. 1 bearing shaft 23 plays a role in belt The movable rail ear 22 performs a circular rotation. The end of the rail ear 22 is rotatably installed with a connecting rod 21, and the end of the connecting rod 21 is rotatably installed with an L-shaped frame 20. The rail ear 22 can drive the connecting rod 21 to move to push the L-shaped frame 20. The lower end of the column 14 is installed with a roller 16. The lower end of the roller 16 is fitted with a moving seat rail 17. The L-shaped frame 20 is connected to the moving seat rail 17. A flat piece is provided on the upper side of the two main frames 4. The flat piece is connected to the No. 1 bearing shaft 23. When the roller 16 rolls to the inclined surface of the moving seat rail 17, the roller 16 will move along the inclination of the moving seat rail 17. The surface of the packaging film 34 moves up, thereby driving the cutting seat 25 to move up, so that when the metal blade moves down to process the easy-tear line of the packaging film 34, the upward cutting seat 25 is used to support it from the bottom of the packaging film 34. After the easy-tear line processing is completed, the shifting rail 17 just moves in the opposite direction. At this time, the pushing seat spring 15 recovers its deformation, allowing the roller 16 to gradually break away from the inclined surface of the shifting rail 17 and move to the plane, so that the upward cutting seat 25 moves down and resets to separate from the packaging film 34, so as to avoid the silicone pad 7 on the cutting seat 25 from contacting with the packaging film 34 and generating a large friction force, etc., which affects the transportation of the packaging film 34.

[0020] A guide column 18 is slidably installed through the middle of the L-shaped frame 20, and the end of the guide column 18 is fixed to the main frame 4. The guide column 18 serves to guide the L-shaped frame 20. A T-shaped bar 19 is inlaid through the end of the L-shaped frame 20. The T-shaped bar 19 slides through the end of the main frame 4. The upper end of the T-shaped bar 19 is fixed to the lower end of the shift rail 17. The T-shaped bar 19 serves to carry and guide the shift rail 17.

[0021] A push-seat spring 15 is wound around the outside of the column 14, and the upper end of the push-seat spring 15 is fixed to the main frame 4. The push-seat spring 15 plays a role in allowing the upward-moving cutting seat 25 to move down and reset. The lower end of the push-seat spring 15 is fixed to the lower end of the column 14. Film pressing rollers 2 are provided on both sides of the lower recessed part of the conveyor 1. The film pressing rollers 2 are connected to the frame of the conveyor 1, and the film pressing rollers 2 play a role in allowing the packaging film 34 to adhere to the conveyor belt of the conveyor 1.

[0022] The flattening piece includes sub-frames 29 extending respectively on the upper side of the two main frames 4. Two center rods 10 are symmetrically and rotatably installed between the vertical sections of the two sub-frames 29. The sub-frames 29 serve to support the center rods 10. A plurality of film-drawing rollers 6 are elastically installed in a circular array in the middle of the outer surfaces of the two center rods 10. The outer surface of the lower center rod 10 is connected to the outer surface of the No. 1 load-bearing shaft 23 near the edge with a No. 1 belt 24 through a pulley. The No. 1 belt 24 serves to connect the lower center rod 10 and the No. 1 load-bearing shaft 23 together.

[0023] The lower parts of the opposite surfaces of the vertical sections of the two sub-frames 29 are rotatably installed with the No. 2 load-bearing shaft 31. The No. 2 load-bearing shaft 31 plays a transmission role. The end of the center rod 10 located above is connected to the outer surface of the No. 2 load-bearing shaft 31 through a pulley. The No. 2 belt 30 plays the role of allowing the upper center rod 10 and the No. 2 load-bearing shaft 31 to rotate in the same direction. The end of the No. 2 load-bearing shaft 31 and the end of the center rod 10 located below are coaxially inlaid with a gear 32. The two gears 32 are engaged with each other. The gear 32 can make the lower center rod 10 and the No. 2 load-bearing shaft 31 rotate in opposite directions, thereby making the two center rods 10 rotate in opposite directions.

[0024] The middle part of the film-drawing roller 6 is rotatably installed with a roller shaft 13. The rotation design of the film-drawing roller 6 can allow the film-drawing roller 6 to rotate and roll on the packaging film 34 when the film-drawing roller 6 straightens the packaging film 34. This reduces the pulling force on the packaging film 34 and prevents the packaging film 34 from breaking. The two ends of the roller shaft 13 extend from the two ends of the film-drawing roller 6. The roller shaft 13 plays the role of supporting the film-drawing roller 6. The two ends of the roller shaft 13 are rotatably installed with a telescopic shell 8. The interior of the telescopic shell 8 is slidably installed with a telescopic seat 9. The telescopic seat 9 extends from the telescopic shell 8. The end portion passes through, and the end portion of the telescopic seat 9 is fixed to the center rod 10. The telescopic shell 8 and the telescopic seat 9 guide the roller shaft 13. The inner top surface of the telescopic shell 8 is fixedly installed with a top roller spring 33. The end portion of the top roller spring 33 is fixed to the telescopic seat 9. When the roller shaft 13 moves on the support plate 11, the two adjacent film-drawing rollers 6 are transformed from circular motion to linear motion, thereby pulling the clamped packaging film 34. When the packaging film 34 is straightened, the top roller spring 33 will deform to adapt itself to the operation of transforming the film-drawing roller 6 from circular motion to linear motion.

[0025] A servo motor 5 is fixedly installed on one of the sub-frames 29, and the output end of the servo motor 5 is fixed to the center rod 10 located above. The servo motor 5 drives the center rod 10 above to rotate. Two plate seats 12 are symmetrically and slidingly installed in the middle of the vertical sections of the two sub-frames 29. The ends of the two plate seats 12 are inlaid with support plates 11. The plate seats 12 support the support plates 11. The ends of the two adjacent roller shafts 13 on the two center rods 10 are respectively pressed against the opposite sides of the two support plates 11. When the film-drawing rollers 6 on the two center rods 10 rotate close to each other, the roller shafts 13 of the two adjacent film-drawing rollers 6 will respectively press against the opposite sides of the two support plates 11, and then the center rod 10 continues to drive the film-drawing roller 6 to rotate. At this time, the roller shaft 13 moves on the support plate 11, so that the two adjacent film-drawing rollers 6 are transformed from circular motion to linear motion.

[0026] The upper and lower ends of the screw sleeves 27 are symmetrically rotatably mounted with two adjusting plate frames 26, which are arranged in an inclined manner. The end of the upper adjusting plate frame 26 is rotatably connected to the upper plate seat 12, and the end of the lower adjusting plate frame 26 is rotatably connected to the lower plate seat 12. By rotating the screw threaded column 28, the screw sleeve 27 can be driven to move, thereby driving the adjusting plate frame 26 to move, so as to push the plate seat 12 so that the two supporting plates 11 can move synchronously, thereby adjusting the distance between the two supporting plates 11, and then adjusting the distance between the two film drawing rollers 6 after approaching, thereby reasonably changing the clamping force of the two film drawing rollers 6 on the packaging film 34 according to different specifications of the packaging film 34, and then changing the pulling force on the packaging film 34 to avoid the packaging film 34 being broken by excessive pulling force.

[0027] During transportation, the packaging film 34 is transported by the conveyor 1. During this process, the servo motor 5 will drive the two center rods 10 to rotate in opposite directions, and then drive the film-drawing rollers 6 on the two center rods 10 to rotate continuously in opposite directions. When the film-drawing rollers 6 on the two center rods 10 rotate close to each other, the roller shafts 13 of the two film-drawing rollers 6 close to each other will respectively press against the opposite sides of the two supporting plates 11. At this time, the two film-drawing rollers 6 close to each other just clamp the packaging film 34. Then the center rod 10 continues to drive the film-drawing rollers 6 to rotate. At this time, the roller shaft 13 moves on the supporting plate 11, allowing the two film-drawing rollers close to each other to rotate. The roller 6 changes from circular motion to linear motion, thereby pulling the clamped packaging film 34, so that the packaging film 34 is straightened, and this cycle allows the packaging film 34 to be in a flat state for processing the easy-tear line, so as to improve the processing quality of the easy-tear line of the packaging film 34. At the same time, under the action of the film-drawing roller 6 continuously pulling the packaging film 34, it can ensure that the packaging film 34 passes through the concave part of the conveyor 1 smoothly, and under the action of the concave part formed by the conveyor belt of the conveyor 1, the packaging film 34 can be temporarily separated from the conveyor belt of the conveyor 1. At the same time, the central rod 10 below will rotate. The No. 1 bearing shaft 23 is driven to rotate by the No. 1 belt 24, so that the No. 1 bearing shaft 23 is used to drive the rail ear 22 to rotate in a circular manner, thereby driving the connecting rod 21 to move, so as to push the L-shaped frame 20, so that the moving seat rail 17 can reciprocate, thereby allowing the roller 16 to roll on the moving seat rail 17. When the roller 16 rolls to the inclined surface of the moving seat rail 17, the roller 16 will move up along the inclined surface of the moving seat rail 17, thereby driving the cutting seat 25 to move up, so that when the metal blade moves down to process the easy-tear line of the packaging film 34, the cutting seat 25 that moves up is used to remove the packaging film 34 from the packaging film 34. 4 is supported below it, thereby replacing the conveyor belt to support the packaging film 34, so as to avoid the phenomenon of the metal blade scratching the conveyor belt. After the easy-tear line processing is completed, the shift rail 17 just moves in the opposite direction. At this time, the push seat spring 15 recovers its deformation, allowing the roller 16 to gradually break away from the inclined surface of the shift rail 17 and move to the plane, so that the upward cutting seat 25 moves down and resets to separate from the packaging film 34, so as to avoid the silicone pad 7 on the cutting seat 25 and the packaging film 34 from contacting and generating a large friction force, etc., which affects the transportation of the packaging film 34, thereby ensuring the normal transportation of the packaging film 34.

[0028] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A transfer device for producing composite food packaging film, comprising a conveyor (1), characterized in that: A belt pressing roller (3) is fixedly mounted on the frame of the conveyor (1), and the belt pressing roller (3) presses on the conveyor belt of the conveyor (1) to form a concave portion, and a cutting seat (25) is provided inside the concave portion of the conveyor (1), and a silicone pad (7) is installed on the upper end of the cutting seat (25), and two columns (14) are symmetrically extended from the lower end of the cutting seat (25), and the outer surfaces of the two columns (14) are elastically mounted with a main frame (4), and the main frame (4) is fixed to the frame of the conveyor (1), and the lower parts of the sides of the two main frames (4) are rotatably mounted. A No. 1 bearing shaft (23), the end of which is extended with a rail-pulling ear (22), the end of which is rotatably mounted with a connecting rod (21), the end of which is rotatably mounted with an L-shaped frame (20), the lower end of the column (14) is mounted with a roller (16), the lower end of the roller (16) is fitted with a seat rail (17), the L-shaped frame (20) is connected to the seat rail (17), and the upper side portions of the two main frames (4) are provided with a flattening piece, which is connected to the No. 1 bearing shaft (23).

2. The transfer device for producing composite food packaging film according to claim 1, characterized in that: A guide column (18) is slidably installed through the middle of the L-shaped frame (20), and the end of the guide column (18) is fixed to the main frame (4). A T-shaped bar (19) is embedded through the end of the L-shaped frame (20), and the T-shaped bar (19) slides through the end of the main frame (4), and the upper end of the T-shaped bar (19) is fixed to the lower end of the transfer rail (17).

3. The transfer device for producing composite food packaging film according to claim 1, characterized in that: A push seat spring (15) is wound around the outside of the column (14), the upper end of the push seat spring (15) is fixed to the main frame (4), and the lower end of the push seat spring (15) is fixed to the lower end of the column (14). Film pressing rollers (2) are provided on both sides of the lower recess of the conveyor (1), and the film pressing rollers (2) are connected to the frame of the conveyor (1).

4. The transfer device for producing composite food packaging film according to claim 1, characterized in that: The flattening member comprises sub-frames (29) extending respectively on the upper side of the two main frames (4), two center rods (10) are symmetrically and rotatably installed between the vertical sections of the two sub-frames (29), a plurality of film-drawing rollers (6) are elastically installed in a circular array in the middle of the outer surface of the two center rods (10), and a No. 1 belt (24) is connected between the outer surface of the center rod (10) located at the bottom near the edge and the outer surface of the No. 1 bearing shaft (23) through a pulley.

5. The transfer device for producing composite food packaging film according to claim 4, characterized in that: A second load-bearing shaft (31) is rotatably mounted on the lower portions of opposite sides of the vertical sections of the two sub-frames (29), a second belt (30) is connected between the end of the upper center rod (10) and the outer surface of the second load-bearing shaft (31) via a pulley, and a gear (32) is coaxially embedded in the end of the second load-bearing shaft (31) and the end of the lower center rod (10), and the two gears (32) are meshed with each other.

6. The transfer device for producing composite food packaging film according to claim 4, characterized in that: A roller shaft (13) is rotatably installed through the middle of the film-drawing roller (6), and both ends of the roller shaft (13) extend from both ends of the film-drawing roller (6). A telescopic shell (8) is rotatably installed at both ends of the roller shaft (13), and a telescopic seat (9) is slidably installed inside the telescopic shell (8). The telescopic seat (9) extends from the end of the telescopic shell (8), and the end of the telescopic seat (9) is fixed to the center rod (10). A top roller spring (33) is fixedly installed on the inner top surface of the telescopic shell (8), and the end of the top roller spring (33) is fixed to the telescopic seat (9).

7. The transfer device for producing composite food packaging film according to claim 6, characterized in that: A servo motor (5) is fixedly mounted on one of the sub-frames (29), and the output end of the servo motor (5) is fixed to the center rod (10) located above. Two plate seats (12) are symmetrically and slidably mounted in the middle of the vertical sections of the two sub-frames (29), and the ends of the two plate seats (12) are inlaid with supporting plates (11). The ends of the two roller shafts (13) adjacent to each other on the two center rods (10) are respectively pressed against the opposite sides of the two supporting plates (11).

8. The transfer device for producing composite food packaging film according to claim 7, characterized in that: A threaded column (28) is rotatably mounted on the middle portion of the opposite sides of the vertical sections of the two sub-frames (29), and a threaded sleeve (27) is screwed onto the outer surface of the threaded column (28). The upper and lower ends of the threaded sleeve (27) are symmetrically rotatably mounted with two adjusting plate frames (26), and the adjusting plate frames (26) are arranged in an inclined manner. The end of the upper adjusting plate frame (26) is rotatably connected to the upper plate seat (12), and the end of the lower adjusting plate frame (26) is rotatably connected to the lower plate seat (12).

Images