Cutting mechanism for plastic film processing

Abstract

The utility model relates to a cutting mechanism for plastic film processing, which comprises a support frame and an adjusting frame, the support frame is mounted on external equipment, the adjusting frame is mounted on the support frame, and a synchronizing mechanism and a limiting mechanism are arranged on the adjusting frame. The synchronizing mechanism comprises a lifting sleeve, an adjusting roller, a lead screw, a rotating mechanism, synchronizing wheels, a synchronous belt, a fixing sleeve, a cutting knife and a bearing roller, the lifting sleeve is connected to the adjusting frame in a sliding mode, the adjusting roller is rotationally connected to the lifting sleeve, and when lifting adjustment is conducted, under the action of the two synchronizing wheels and the synchronous belt, the cutting knife is driven to rotate. Therefore, the two rotating sleeves can be driven to slide up and down, and the adjusting process is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic film cutting, in particular to a cutting mechanism for plastic film processing. Background Art

[0002] The cutting mechanism for plastic film processing is a device used to cut various plastic film materials, such as PE, PVC, PET, etc. It can cut the plastic film into the required size and shape to meet the needs of different application scenarios.

[0003] In the existing technology, when cutting plastic film, the plastic film is cut by the rotation of the cutting knife and the resistance of the receiving roller to complete the cutting process. However, when cutting plastic films of different models and different requirements, it is necessary to raise and lower the adjusting roller and then adjust the cutting knife. However, the existing lifting is driven by the lifting sleeve through the screw rod, which causes the lifting sleeves on both sides to be unable to move synchronously, thereby reducing the accuracy of use and affecting the cutting effect. Summary of the invention

[0004] In view of the problems existing in the prior art, the utility model provides a cutting mechanism for plastic film processing to solve the technical problem that the regulating rollers in the prior art cannot move synchronously.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting mechanism for plastic film processing, including a supporting frame and an adjusting frame, the supporting frame is installed on an external device, the adjusting frame is installed on the supporting frame, a synchronization mechanism and a limiting mechanism are arranged on the adjusting frame, the synchronization mechanism includes a lifting sleeve, an adjusting roller, a lead screw, a rotating mechanism, a synchronous wheel, a synchronous belt, a fixed sleeve, a cutting knife and a receiving roller, the lifting sleeve is slidably connected to the adjusting frame, the adjusting roller is rotatably connected to the lifting sleeve, the rotating mechanism is cooperatively connected to the lead screw and the lifting sleeve, the synchronous wheel is installed on the lead screw, the synchronous belt is connected to the synchronous wheel, the fixed sleeve is slidably connected to the adjusting roller, the cutting knife is connected to the fixed sleeve, the receiving roller is rotatably connected to the adjusting frame, and the cutting knife is attached to the receiving roller.

[0006] Preferably, the rotating mechanism includes a nut block and a rotating sleeve, the nut block is mounted on the adjustment frame, the rotating sleeve is mounted on the lead screw, and the rotating sleeve is rotatably connected to the lifting sleeve. The design of the rotating mechanism ensures the continuity of adjustment.

[0007] It is further preferred that the adjusting roller is provided with a scale, the fixed sleeve is fitted on the scale, the fixed sleeve is provided with a limit bolt, a fitting disk and a fitting bolt, the limit bolt is threadedly connected to the fixed sleeve, the fitting disk is fitted on the cutting knife, the fitting bolt passes through the fitting disk and the cutting knife and is threadedly connected to the fixed sleeve, and the design of the scale ensures the convenience of adjustment.

[0008] In a further preferred embodiment, a laminating roller is rotatably provided on the adjusting frame, two laminating rollers are provided, and both laminating rollers are connected to an external driving mechanism, and the design of the laminating roller ensures the continuity of cutting.

[0009] It is further preferred that two synchronous wheels are provided, and the two synchronous wheels are respectively connected to the synchronous belt, and the design of the two synchronous wheels ensures the continuity of adjustment.

[0010] It is further preferred that the limiting mechanism includes a limiting plate and a side plate, the side plate is fixedly mounted on the support frame, and the limiting plate is slidably connected to the support frame. The design of the limiting mechanism ensures the stability of the feeding.

[0011] In a further preferred embodiment, the limiting plate is provided with fixing bolts and a base plate, and the fixing bolts pass through the limiting plate and are threadedly connected to the base plate.

[0012] Compared with the prior art, the utility model provides a cutting mechanism for plastic film processing, which has the following beneficial effects:

[0013] The synchronous mechanism is designed so that when the lifting and lowering adjustment is performed, the two synchronous wheels and the synchronous belt can drive the two rotating sleeves to slide up and down, thereby completing the adjustment process.

[0014] The fixing mechanism is designed so that the position of the fixing sleeve is adjusted when the position of the cutting knife is adjusted, so it can be fixed more accurately through the scale, thereby improving the accuracy of use.

[0015] The limiting mechanism is designed so that when lubrication is being performed and the plastic film is being cut, the position of the limiting plate is first adjusted according to the width of the plastic film, so as to adjust it to the most suitable position, and then the limiting plate and the bottom plate can be clamped on the support frame by turning the fixing bolts, thereby completing the adjustment process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a cutting mechanism for plastic film processing in the utility model;

[0017] Figure 2 It is a structural schematic diagram of the synchronization mechanism in the utility model;

[0018] Figure 3 for Figure 2 A partial enlarged view of middle A;

[0019] Figure 4 It is a structural schematic diagram of the fixing mechanism in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the limiting mechanism in the utility model.

[0021] In the figure: 1. Support frame; 2. Adjustment frame; 3. Lifting sleeve; 4. Adjusting roller; 5. Screw; 6. Synchronous wheel; 7. Synchronous belt; 8. Fixed sleeve; 9. Cutting knife; 10. Receiver roller; 11. Nut block; 12. Rotating sleeve; 13. Scale; 14. Limit bolt; 15. Laminating disk; 16. Laminating bolt; 17. Laminating roller; 18. Limit plate; 19. Side plate; 20. Fixing bolt; 21. Bottom plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1

[0024] See also Figure 1-5A cutting mechanism for plastic film processing includes a support frame 1 and an adjusting frame 2. The support frame 1 is installed on an external device, and the adjusting frame 2 is installed on the support frame 1. A synchronization mechanism and a limit mechanism are arranged on the adjusting frame 2. The synchronization mechanism includes a lifting sleeve 3, an adjusting roller 4, a lead screw 5, a rotating mechanism, a synchronous wheel 6, a synchronous belt 7, a fixed sleeve 8, a cutting knife 9 and a receiving roller 10. The lifting sleeve 3 is slidably connected to the adjusting frame 2, and the adjusting roller 4 is rotatably connected to the lifting sleeve 3. The rotating mechanism is cooperatively connected to the lead screw 5 and the lifting sleeve 3, and the synchronous wheel 6 is installed on the lead screw 5. The synchronous belt 7 is connected to the synchronous wheel 6, the fixed sleeve 8 is slidably connected to the adjusting roller 4, the cutting knife 9 is connected to the fixed sleeve 8, the receiving roller 10 is rotatably connected to the adjusting frame 2, and the cutting knife 9 is attached to the receiving roller 10, the rotating mechanism includes a nut block 11 and a rotating sleeve 12, the nut block 11 is installed on the adjusting frame 2, the rotating sleeve 12 is installed on the lead screw 5, the rotating sleeve 12 is rotatably connected to the lifting sleeve 3, the adjusting roller 4 is provided with a scale 13, the fixed sleeve 8 is attached to the scale 13, and the fixed sleeve 8 is provided with a limit bolt 14, an attaching plate 15 and an attaching Bolt 16, limit bolt 14 are threadedly connected to the fixed sleeve 8, the laminating disc 15 is attached to the cutting knife 9, the laminating bolt 16 passes through the laminating disc 15 and the cutting knife 9 and is threadedly connected to the fixed sleeve 8, and a laminating roller 17 is rotatably provided on the adjustment frame 2, and two laminating rollers 17 are provided, and the two laminating rollers 17 are connected to the external driving mechanism, and two synchronous wheels 6 are provided, and the two synchronous wheels 6 are respectively connected to the synchronous belt 7. When performing lifting and lowering adjustment, the synchronous wheel 6 on one side can be driven by the action of the two synchronous wheels 6 and the synchronous belt 7. The lead screw 5 rotates, thereby driving the two rotating sleeves 12 to slide up and down, thereby completing the adjustment process, and then the plastic film is cut through the receiving roller 10 and the cutting knife 9. When adjusting the position of the cutting knife 9, first, since the fixed sleeve 8 is slidably connected to the adjusting roller 4 and the fixed sleeve 8 is attached to the scale 13, the position of the fixed sleeve 8 can be adjusted, and then the fixed sleeve 8 can be fixed by rotating the limit bolt 14, so it can be fixed more accurately through the scale 13, thereby improving the accuracy of use.

[0025] The limiting mechanism includes a limiting plate 18 and a side plate 19. The side plate 19 is fixedly mounted on the support frame 1. The limiting plate 18 is slidably connected to the support frame 1. The limiting plate 18 is provided with a fixing bolt 20 and a bottom plate 21. The fixing bolt 20 passes through the limiting plate 19 and is threadedly connected to the bottom plate 21. When lubricating, when the plastic film is cut, the position of the limiting plate 19 is first adjusted according to the width of the plastic film, so as to adjust it to the most suitable position, and then the limiting plate 18 and the bottom plate 21 can be clamped on the support frame 1 by rotating the fixing bolt 20, thereby completing the adjustment process.

[0026] Example 2

[0027] See also Figure 1-5 On the basis of Example 1, when performing lifting and lowering adjustment, the synchronous wheel 6 on one side can be rotated under the action of the two synchronous wheels 6 and the synchronous belt 7 to drive the lead screws 5 on both sides to rotate, so that the two rotating sleeves 12 can be driven to slide up and down, thereby completing the adjustment process, and then the plastic film is cut by the receiving roller 10 and the cutting knife 9. When adjusting the position of the cutting knife 9, first, since the fixed sleeve 8 is slidably connected to the adjusting roller 4 and the fixed sleeve 8 is attached to the scale 13, the position of the fixed sleeve 8 can be adjusted, and then the fixed sleeve 8 can be fixed by rotating the limit bolt 14, so it can be fixed more accurately through the scale 13, thereby improving the accuracy of use.

[0028] Example 3

[0029] See also Figure 1-5 On the basis of Example 2, during lubrication, when the plastic film is cut, the position of the limit plate 18 is first adjusted according to the width of the plastic film, so as to adjust it to the most suitable position, and then the limit plate 18 and the base plate 21 can be clamped on the support frame 1 by rotating the fixing bolt 20, thereby completing the adjustment process.

[0030] In all the schemes mentioned above, the connection between two parts can be selected according to actual conditions by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which are not described here one by one. In the above, all fixed connections are preferably welded. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents.

Claims

1. A cutting mechanism for processing plastic film, comprising a support frame (1) and an adjustment frame (2), wherein the support frame (1) is mounted on an external device, and the adjustment frame (2) is mounted on the support frame (1), characterized in that: The adjusting frame (2) is provided with a synchronization mechanism and a limiting mechanism, wherein the synchronization mechanism comprises a lifting sleeve (3), an adjusting roller (4), a lead screw (5), a rotating mechanism, a synchronous wheel (6), a synchronous belt (7), a fixed sleeve (8), a cutting knife (9) and a receiving roller (10); the lifting sleeve (3) is slidably connected to the adjusting frame (2); the adjusting roller (4) is rotationally connected to the lifting sleeve (3); the rotating mechanism is cooperatively connected to the lead screw (5) and the lifting sleeve (3); the synchronous wheel (6) is mounted on the lead screw (5); the synchronous belt (7) is connected to the synchronous wheel (6); the fixed sleeve (8) is slidably connected to the adjusting roller (4); the cutting knife (9) is connected to the fixed sleeve (8); the receiving roller (10) is rotationally connected to the adjusting frame (2); and the cutting knife (9) is attached to the receiving roller (10).

2. A cutting mechanism for plastic film processing according to claim 1, characterized in that: The rotating mechanism comprises a nut block (11) and a rotating sleeve (12); the nut block (11) is mounted on the adjusting frame (2); the rotating sleeve (12) is mounted on the lead screw (5); and the rotating sleeve (12) is rotatably connected to the lifting sleeve (3).

3. A cutting mechanism for plastic film processing according to claim 2, characterized in that: The adjusting roller (4) is provided with a scale (13), the fixing sleeve (8) is fitted on the scale (13), the fixing sleeve (8) is provided with a limit bolt (14), a fitting disk (15) and a fitting bolt (16), the limit bolt (14) is threadedly connected to the fixing sleeve (8), the fitting disk (15) is fitted on the cutting knife (9), and the fitting bolt (16) passes through the fitting disk (15) and the cutting knife (9) and is threadedly connected to the fixing sleeve (8).

4. A cutting mechanism for plastic film processing according to claim 3, characterized in that: A laminating roller (17) is rotatably provided on the adjustment frame (2), two laminating rollers (17) are provided, and both laminating rollers (17) are connected to an external driving mechanism.

5. A cutting mechanism for plastic film processing according to claim 4, characterized in that: Two synchronous wheels (6) are provided, and the two synchronous wheels (6) are respectively connected to the synchronous belt (7).

6. A cutting mechanism for plastic film processing according to claim 1, characterized in that: The limiting mechanism comprises a limiting plate (18) and a side plate (19), wherein the side plate (19) is fixedly mounted on the support frame (1), and the limiting plate (18) is slidably connected to the support frame (1).

7. A cutting mechanism for plastic film processing according to claim 6, characterized in that: The limiting plate (18) is provided with a fixing bolt (20) and a bottom plate (21), and the fixing bolt (20) passes through the limiting plate (18) and is threadedly connected to the bottom plate (21).

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