Traction trimming device for shrink film processing
By setting a limiting device in the traction and trimming device for shrink film processing, and using a rectangular plate with rollers to limit the shrink film, the problem of skewing of the shrink film during traction is solved, and the accuracy of the cutting position is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-19
- Publication Date
- 2026-04-10
AI Technical Summary
Shrink film is prone to tilting on the operating table during the traction process, which leads to skewed cutting position and reduced processing accuracy.
A limiting device is set in the traction and trimming device, including a rectangular plate with rollers to limit the shrink film. The rollers abut against the operating table to prevent skewing, and the rollers are adjustable and limited by a hydraulic telescopic rod and spring structure.
It effectively prevents the shrink film from being skewed during the traction cutting process, thus improving processing accuracy.
Smart Images

Figure CN224105226U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to shrink film processing technical field especially shrink film processing is with traction trimming device. BACKGROUND
[0002] The traction trimming device for shrink film processing is a key equipment in the production process of heat shrink film, and its core function is to realize traction and edge cutting during film winding, so as to ensure product flatness, size accuracy and production efficiency.
[0003] When the traction trimming device is used to trim the shrink film, the rotating traction roller is mainly used to traction the shrink film, and when the shrink film passes through the cutting tool, the tool will be automatically cut. However, the shrink film is easily skewed on the operation table during traction, which will cause the cutting position of the shrink film to be skewed and reduce the processing accuracy of the traction trimming device. UTILITY MODEL CONTENTS
[0004] The utility model discloses a traction trimming device for shrink film processing to solve the problem that the shrink film is easily skewed on the operation table during traction, which will cause the cutting position of the shrink film to be skewed and reduce the processing accuracy of the traction trimming device.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: the traction trimming device for shrink film processing, including the frame, the top of the frame is installed with the operation table, the middle part of the operation table top is installed with the support frame, the top of the support frame is provided with the hydraulic telescopic rod, one end of the hydraulic telescopic rod passes through the inner wall of the support frame and is fixedly installed with the sliding plate, the bottom of the sliding plate is slidably installed with two cutting tools, one side of the operation top is rotatably installed with the traction roller, one side of the operation table bottom is provided with the drive assembly, the drive assembly can drive the traction roller to rotate, one side of the support frame is provided with the limiting device, the limiting device is provided with two bottom rectangular plates provided with a plurality of rollers, and the two sides of the top of the shrink film are limited.
[0006] The effect of the above components is that when the rollers at the bottom of the two rectangular plates are in contact with the shrink film on the operation table, the rollers can limit the shrink film, which is beneficial to prevent the shrink film from being skewed. At the same time, when the traction wheel tractions the shrink film, the shrink film will also drive the roller to rotate, which makes the roller not hinder the movement of the shrink film, and further prevents the cutting position of the shrink film from being skewed during traction and cutting, which improves the processing accuracy of the shrink film.
[0007] Preferably, the limiting device comprises two side plates symmetrically mounted on one side of the top of the operation table, one connecting plate fixedly mounted on the top of the close side of the two side plates, two rectangular rods slidingly mounted on the inner wall of the connecting plate, a rectangular plate slidingly mounted on the outer surface of the rectangular rods, a plurality of rollers uniformly rotatably mounted on the bottom of the rectangular plate, a spring fixedly mounted on the top of the rectangular plate, and an auxiliary plate slidingly mounted on one side of the connecting plate.
[0008] The above-mentioned components achieve the effect that the rectangular plate is pushed upward, the rollers at the bottom of the rectangular plate are away from the operation table, the rectangular plate extrudes the spring, the spring is deformed, the rectangular rods are slidingly pushed on the inner wall of the connecting plate, the rectangular plate and the rollers are moved in the horizontal direction until the rollers are in the appropriate position, the force applied to the rectangular plate is removed, the spring is reset and moves the rectangular plate and the rollers downward until the bottom of the rollers abuts against the shrink film on the top of the operation table, and the two rectangular plates with rollers can limit the two sides of the shrink film without blocking the shrink film, which is beneficial to prevent the shrink film from being skewed during the edge cutting process.
[0009] Preferably, the spring is internally provided with a round rod, one end of the round rod is fixedly mounted on the top of the rectangular plate, and the auxiliary plate is slidingly mounted on the outer surface of the round rod.
[0010] The above-mentioned components achieve the effect that the round rod can guide and limit the spring, which is beneficial to prevent the spring from being bent and damaged.
[0011] Preferably, a rubber sleeve is fixedly mounted on the outer surface of the roller.
[0012] The above-mentioned components achieve the effect that the rubber sleeve can replace the outer surface of the roller to abut against the outer surface of the shrink film, can increase the friction between the roller and the shrink film, can make the limiting of the shrink film by the roller more stable, and can also protect the shrink film to a certain extent.
[0013] Preferably, a screw hole block is fixedly mounted on one side of the top of the rectangular plate, the screw hole block is arranged on one side of the rectangular rod, and a screw is inserted into the inner wall of the screw hole block.
[0014] The above-mentioned components achieve the effect that the screw is rotated to abut against one side of the rectangular rod, the screw can fix the rectangular plate and the rectangular rod, and then it is beneficial to prevent the rollers from being displaced and causing the shrink film to be out of limiting.
[0015] Preferably, a fixing assembly is arranged between the two rectangular rods and the connecting plate, the fixing assembly comprises two threaded pins, one end of the rectangular rod penetrates through the inner wall of the connecting plate and is fixedly connected with one end of the threaded pin, and the outer surface of the threaded pin is threadedly connected with a nut.
[0016] The effect achieved by the above component is that rotating the nut enables the one side of the nut to abut against the one side of the connecting plate, thereby fixing the positions of the rectangular plate and the roller in the horizontal direction, and further preventing the roller from being displaced in the horizontal direction under the action of external force.
[0017] Preferably, a circular plate is slidingly installed on the outer surface of the rectangular rod, and the circular plate is arranged between the nut and the connecting plate.
[0018] The effect achieved by the above component is that the circular plate can abut against the one side of the connecting plate instead of the one side of the nut, and the contact area between the nut and the connecting plate is increased, thereby making the fixing of the rectangular rod by the nut more stable.
[0019] Preferably, a rubber plate is bonded to the inner wall at the top of the connecting plate, and the circular plate is arranged on the top of the rubber plate.
[0020] The effect achieved by the above component is that the rubber plate can increase the friction between the circular plate and the connecting plate, thereby preventing the nut from loosening.
[0021] Compared with the prior art, the utility model has the advantages and positive effects that:
[0022] In the utility model, when the rollers at the bottom of the two rectangular plates abut against the shrink film on the operation table, the rollers can limit the shrink film, which prevents the shrink film from being skewed, and when the traction wheel is used to pull the shrink film, the shrink film also drives the rollers to rotate, which prevents the rollers from hindering the movement of the shrink film, thereby preventing the cutting position of the shrink film from being skewed during the process of pulling and cutting, and improving the processing precision of the shrink film. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a schematic view of the three-dimensional structure of the utility model main body;
[0024] Figure 2 It is a schematic view of the three-dimensional structure of the utility model limiting device;
[0025] Figure 3 It is a schematic view of the three-dimensional structure of the utility model Figure 2 A enlarged structure schematic view of the utility model;
[0026] Figure 4 It is a schematic view of the three-dimensional structure of the utility model Figure 2Amplification structure schematic diagram at B of figure 1.
[0027] Legend: 1, frame; 2, limiting device; 21, connecting plate; 22, rectangular rod; 23, rectangular plate; 24, roller; 25, spring; 26, auxiliary plate; 27, round rod; 28, rubber sleeve; 29, threaded hole block; 210, bolt; 211, side plate; 3, fixing assembly; 31, threaded pin; 32, nut; 33, round plate; 34, rubber plate; 4, operation table; 5, support frame; 6, hydraulic telescopic rod; 7, sliding plate; 8, cutting tool; 9, traction roller; 10, driving assembly. DETAILED DESCRIPTION
[0028] Example 1, refer to Figures 1-3 As shown, the embodiment discloses a traction and trimming device for shrink film processing, which comprises a frame 1, the top of the frame 1 is provided with an operation table 4, the middle of the top of the operation table 4 is provided with a support frame 5, the top of the support frame 5 is provided with a hydraulic telescopic rod 6, one end of the hydraulic telescopic rod 6 penetrates through the inner wall of the support frame 5 and is fixedly installed with a sliding plate 7, the bottom of the sliding plate 7 is slidably installed with two cutting tools 8, one side of the top of the operation table 4 is rotatably installed with a traction roller 9, one side of the bottom of the operation table 4 is provided with a driving assembly 10, the driving assembly 10 can drive the traction roller 9 to rotate (the driving assembly 10 can be a motor installed at the bottom of the operation table 4, the motor is connected with one end of the traction roller 9 through a speed reducer, and the motor is powered through a power supply module to drive the traction roller 9 to rotate, since the motor driving module is a conventional technical means, it is not described in detail here, and when the traction roller 9 rotates, it can stretch the shrink film, and the stretched shrink film can be cut by the cutting tool 8), one side of the support frame 5 is provided with a limiting device 2, the limiting device 2 limits the two sides of the top of the shrink film by providing two rectangular plates 23 provided with a plurality of rollers 24 at the bottom, when the rollers 24 at the bottom of the two rectangular plates 23 are in abutment with the shrink film on the operation table 4, the rollers 24 can limit the shrink film, which is beneficial to prevent the shrink film from being skewed, and when the traction wheel stretches the shrink film, the shrink film can also drive the rollers 24 to rotate, which makes the rollers 24 not hinder the movement of the shrink film, thereby preventing the cutting position of the shrink film from being skewed during traction and cutting, and improving the processing precision of the shrink film.
[0029] Refer to Figures 2-4As shown, the limiting device 2 comprises two side plates 211 symmetrically installed on one side of the top of the operation table 4, and a connecting plate 21 fixedly installed on the top of the side close to the two side plates 211, and two rectangular rods 22 slidingly installed on the inner wall of the connecting plate 21, and a rectangular plate 23 slidingly installed on the outer surface of the rectangular rod 22, and a plurality of rollers 24 uniformly rotatably installed on the bottom of the rectangular plate 23, and a spring 25 fixedly installed on the top of the rectangular plate 23, and an auxiliary plate 26 slidingly installed on one side of the connecting plate 21 and fixedly installed at one end of the spring 25, wherein the rollers 24 on the bottom of the rectangular plate 23 are pushed away from the operation table 4, the rectangular plate 23 is pressed against the spring 25, the spring 25 is deformed, the rectangular rod 22 is slid on the inner wall of the connecting plate 21, the rectangular plate 23 and the rollers 24 are moved in the horizontal direction, until the rollers 24 are in the appropriate position, the force applied to the rectangular plate 23 is removed, the spring 25 is reset, the rectangular plate 23 and the rollers 24 are moved downward, until the bottom of the rollers 24 abuts against the shrink film on the top of the operation table 4, and then the two rectangular plates 23 with rollers 24 can limit the two sides of the shrink film without blocking the shrink film, which is beneficial to prevent the shrink film from being skewed during the edge cutting process.
[0030] Referring to Figures 2-4 As shown, the outer surface of the roller 24 is fixedly installed with a rubber sleeve 28, which can replace the outer surface of the roller 24 to abut against the outer surface of the shrink film, increase the friction between the roller 24 and the shrink film, make the limiting of the shrink film by the roller 24 more stable, and also protect the shrink film to a certain extent; one side of the top of the rectangular plate 23 is fixedly installed with a threaded hole block 29, the threaded hole block 29 is arranged on one side of the rectangular rod 22, a screw 210 is inserted into the inner wall of the threaded hole block 29, one end of the screw 210 abuts against one side of the rectangular rod 22 by rotating the screw 210, and then the screw 210 can fix the rectangular plate 23 and the rectangular rod 22, which is beneficial to prevent the rollers 24 from being displaced and causing the shrink film to be out of limiting.
[0031] Referring to Figure 2 and Figure 4As shown, the two rectangular rods 22 and the connecting plate 21 are provided with a fixing assembly 3, the fixing assembly 3 includes two threaded pins 31, one end of the rectangular rod 22 penetrates through the inner wall of the connecting plate 21 and is fixedly connected with one end of the threaded pin 31, the outer surface of the threaded pin 31 is threadedly connected with a nut 32, rotating the nut 32 so that one side of the nut 32 abuts against one side of the connecting plate 21, then the positions of the rectangular plate 23 and the roller 24 in the horizontal direction can be fixed, thereby facilitating preventing the roller 24 from being displaced in the horizontal direction under the action of external force.
[0032] Referring to Figure 2 and Figure 4 As shown, the outer surface of the rectangular rod 22 is slidably installed with a circular plate 33, the circular plate 33 is arranged between the nut 32 and the connecting plate 21, by arranging the circular plate 33, the circular plate 33 can abut against one side of the connecting plate 21 instead of one side of the nut 32, and increase the contact area between the nut 32 and the connecting plate 21, thereby making the fixing of the nut 32 to the rectangular rod 22 more stable; the inner wall of the top of the connecting plate 21 is bonded with a rubber plate 34, the circular plate 33 is arranged on the top of the rubber plate 34, by arranging the rubber plate 34, the friction between the circular plate 33 and the connecting plate 21 can be increased, thereby making the nut 32 not easy to loosen.
[0033] Working principle: push the rectangular plate 23 upwards, so that the roller 24 at the bottom of the rectangular plate 23 moves away from the operation table 4, the rectangular plate 23 will extrude the spring 25, so that the spring 25 deforms, then push the rectangular rod 22 to slide in the inner wall of the connecting plate 21, which will drive the auxiliary plate 26, the rectangular plate 23 and the roller 24 to move in the horizontal direction until the roller 24 is in the appropriate position, then remove the force applied to the rectangular plate 23, the spring 25 will reset and drive the rectangular plate 23 and the roller 24 to move downwards until the rubber sleeve 28 on the outer surface of the roller 24 abuts against the shrink film on the top of the operation table 4, then rotate the bolt 210 so that one end of the bolt 210 abuts against one side of the rectangular rod 22, then the bolt 210 can fix the rectangular plate 23 and the rectangular rod 22, thereby facilitating preventing the roller 24 from being displaced in the vertical direction and causing the shrink film to be detached from the limiting, finally rotate the nut 32 to drive the original plate to move downwards until one side of the original plate abuts against the rubber plate 34 on the top of the connecting plate 21, then the positions of the rectangular plate 23 and the roller 24 in the horizontal direction can be fixed, thereby facilitating preventing the roller 24 from being displaced in the horizontal direction under the action of external force, then the two rectangular plates 23 with rollers 24 can limit the two sides of the shrink film without blocking the shrink film, which is conducive to preventing the shrink film from being skewed during the edge cutting process.
Claims
1. A traction trimming device for the processing of shrink film, comprising a frame (1), characterized in that: The top of the frame (1) is provided with an operation table (4), the middle of the top of the operation table (4) is provided with a support frame (5), the top of the support frame (5) is provided with a hydraulic telescopic rod (6), one end of the hydraulic telescopic rod (6) penetrates through the inner wall of the support frame (5) and is fixedly provided with a sliding plate (7), the bottom of the sliding plate (7) is slidably provided with two cutting tools (8), one side of the operation top is rotatably provided with a traction roller (9), one side of the bottom of the operation table (4) is provided with a driving assembly (10), the driving assembly (10) can drive the traction roller (9) to rotate, one side of the support frame (5) is provided with a limiting device (2), the limiting device (2) limits the two sides of the top of the shrink film by providing two rectangular plates (23) provided with a plurality of rollers (24).
2. The retracting and trimming apparatus for shrink film processing according to claim 1, characterized in that: The limiting device (2) comprises two side plates (211), the two side plates (211) are symmetrically installed on one side of the top of the operation table (4), the same connecting plate (21) is fixedly installed on the top of the side close to the two side plates (211), the inner wall of the connecting plate (21) is slidably provided with two rectangular rods (22), the outer surface of the rectangular rod (22) is slidably provided with a rectangular plate (23), a plurality of rollers (24) are uniformly rotatably installed on the bottom of the rectangular plate (23), the top of the rectangular plate (23) is fixedly provided with a spring (25), one end of the spring (25) is fixedly provided with an auxiliary plate (26), the auxiliary plate (26) is slidably installed on one side of the connecting plate (21).
3. The retracting edge trimming apparatus for shrink film processing according to claim 2, characterized in that: The inside of the spring (25) is provided with a round rod (27), one end of the round rod (27) is fixedly installed on the top of the rectangular plate (23), and the auxiliary plate (26) is slidably installed on the outer surface of the round rod (27).
4. The retracting and trimming apparatus for shrink film processing according to claim 2, characterized in that: The outer surface of the roller (24) is fixedly provided with a rubber sleeve (28).
5. The retracting edge trim device for shrink film processing according to claim 2, characterized in that: One side of the top of the rectangular plate (23) is fixedly provided with a threaded hole block (29), the threaded hole block (29) is arranged on one side of the rectangular rod (22), and the inner wall of the threaded hole block (29) is inserted with a bolt (210).
6. The retracting trimmer apparatus for shrink film processing according to claim 2, characterized in that: A fixing assembly (3) is arranged between the two rectangular rods (22) and the connecting plate (21), the fixing assembly (3) comprises two threaded pins (31), one end of the rectangular rod (22) penetrates through the inner wall of the connecting plate (21) and is fixedly connected with one end of the threaded pin (31), and the outer surface of the threaded pin (31) is threadedly connected with a nut (32).
7. The retracting trimmer apparatus for shrink film processing according to claim 6, characterized in that: The outer surface of the rectangular rod (22) is slidably provided with a circular plate (33), and the circular plate (33) is arranged between the nut (32) and the connecting plate (21).
8. The retracting edge trim device for shrink film processing according to claim 7, characterized in that: The inner wall of the top of the connecting plate (21) is bonded with a rubber plate (34), and the circular plate (33) is arranged on the top of the rubber plate (34).