Preservative film reel excess material recovery device

By designing a plastic wrap roll excess material recycling device, which uses a servo motor to drive the pressure roller to rotate, the problem of low efficiency in manual operation is solved, and efficient and low-cost recycling of plastic wrap roll excess material is achieved.

CN224198960UActive Publication Date: 2026-05-05HUBEI HONGTAI FAMILY ENVIRONMENTAL PLASTIC IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUBEI HONGTAI FAMILY ENVIRONMENTAL PLASTIC IND CO LTD
Filing Date
2025-06-14
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

The current process for recycling excess plastic wrap rolls requires manual operation, which results in limited production capacity, slow processing speed, high costs, and poor economic efficiency.

Method used

Design a device for recycling excess material from cling film rolls, including a base, a connecting mechanism, and a drive mechanism. A servo motor drives the pressure roller to rotate, which in turn assists in rotating the cling film roll. Workers only need to perform the cutting work.

Benefits of technology

It improves the efficiency of recycling excess material from cling film rolls, reduces labor costs, is applicable to rolls of different specifications, and shortens processing time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of preservative film recovery devices, and provides a preservative film reel excess material recovery device which comprises a machine base, two sets of connecting mechanisms distributed in a mirror image mode are arranged at the upper end of the machine base, the connecting mechanisms are used for installing a preservative film reel on the machine base, and a driving mechanism is installed on the machine base. The driving mechanism is used for driving the connecting mechanism and the preservative film reel to rotate. The connecting mechanism comprises a column body, the column body is arranged on one side of the machine base, the interior of the column body is hollow, a plurality of penetrating openings distributed in a circumferential array mode are formed in the outer side of the column body, the penetrating openings communicate with an inner cavity of the column body, a plurality of pressing wheels are arranged in the column body, and a servo motor drives a shaft sleeve to rotate so that the column body, the pressing wheels and a preservative film winding drum can be driven to rotate synchronously; the rotation angle of the preservative film reel is fixed, and the device can assist a worker in rotating the preservative film reel and releasing the preservative film with a certain length. The device can replace a worker to fix and rotate the preservative film reel, and the worker only needs to cut the preservative film.
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Description

Technical Field

[0001] This utility model belongs to the technical field of plastic wrap recycling devices, and in particular relates to a plastic wrap roll excess material recycling device. Background Technology

[0002] Plastic wrap roll waste recycling refers to the process of collecting unused plastic wrap from plastic wrap rolls. Currently, plastic wrap roll waste recycling is mostly done manually, by pulling out the plastic wrap from the roll and cutting it into shorter lengths to facilitate subsequent recycling processes.

[0003] The aforementioned process for recycling excess plastic wrap rolls requires manual operation. To improve efficiency, two people are needed: one holds and holds the roll, pulling out a certain length of wrap, while the other cuts it with a slicer. Manual operation limits capacity and slows processing speed; each roll takes over 25 minutes to process, with a daily processing capacity of only 30-50 rolls – 66 times less efficient than automated equipment. Furthermore, labor costs are high, reaching 1.2 yuan per roll. Combined with hidden costs such as training and management, this results in poor overall economics and a long payback period. Therefore, designing a plastic wrap roll excess material recycling device is essential to address these issues. Utility Model Content

[0004] This invention provides a device for recycling excess material from cling film rolls to solve the aforementioned problems in the prior art.

[0005] This utility model is implemented as follows: a plastic wrap roll excess material recycling device, characterized in that it includes a base, and two sets of mirror-distributed connecting mechanisms are provided on the upper end of the base. The connecting mechanisms are used to install the plastic wrap roll on the base. A driving mechanism is installed on the base, and the driving mechanism is used to drive the connecting mechanisms and the plastic wrap roll to rotate.

[0006] The connecting mechanism includes a column disposed on one side of the base. The column is hollow inside and has multiple through-holes arranged in a circular array on its outer side, which communicate with the inner cavity of the column. Multiple pressure rollers are disposed inside the column, with one end of each pressure roller protruding from one of the through-holes. An adjusting component is mounted on the column to adjust the position of the pressure rollers. A bushing is rotatably mounted on the base, and a splined shaft is inserted into the bushing. The bushing and the splined shaft are splined together, and the splined shaft can slide along the bushing. A connecting frame is fixedly mounted on the column, with one end of the splined shaft fixedly mounted on the connecting frame. A spring is fixedly connected inside the bushing, and the other end of the spring is fixedly connected to the splined shaft.

[0007] Preferably, the surface of the pressure roller is provided with anti-slip texture.

[0008] Preferably, the adjusting assembly includes a cam disposed within the column, elastic elements are fixedly connected to both sides of the pressure roller, the ends of the elastic elements are fixedly connected to the column, a rotating shaft is fixedly mounted on the cam, the rotating shaft is rotatably mounted on the column and passes through the column, a worm gear is fixedly mounted at the end of the rotating shaft, and a worm is rotatably mounted on the column, the worm meshing with the worm gear.

[0009] Preferably, the transmission between the worm and the worm wheel is self-locking, and a handle is fixedly installed at the end of the worm.

[0010] Preferably, the drive mechanism includes a servo motor, which is fixedly mounted on one side of the base, and the output shaft of the servo motor is fixedly connected to a bushing located on one side.

[0011] Preferably, a collection trough is placed at the bottom of the base.

[0012] Preferably, the base is provided with a protrusion, the protrusion has a groove, an elastic strip is fixedly connected in the groove, and a rigid strip is fixedly connected in the elastic strip.

[0013] Preferably, the bottom of the base is provided with an anti-slip pad.

[0014] Compared with related technologies, the cling film roll excess material recycling device provided by this utility model has the following beneficial effects:

[0015] The operator places the plastic wrap roll between two columns, presses the columns to move them apart, and the columns, connecting frame, and spline shaft move synchronously. The spline shaft moves within the bushing, and the spring is compressed, ensuring a sufficient distance between the two columns to allow the plastic wrap roll to be placed between them. This device can accommodate plastic wrap rolls of different lengths and sizes.

[0016] The pressure roller presses the plastic wrap roll against the inner wall of the roll. A servo motor drives the bushing to rotate, causing the column, pressure roller, and plastic wrap roll to rotate synchronously. The rotation angle of the plastic wrap roll is fixed. The device assists workers in rotating the plastic wrap roll and releasing a certain length of plastic wrap. The device can replace workers in fixing and rotating the plastic wrap roll, allowing workers to only cut the plastic wrap. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of the present utility model;

[0018] Figure 2 This is an enlarged cross-sectional view of part of the structure of this utility model;

[0019] Figure 3 This is an exploded view of part of the structure at the central column of this utility model;

[0020] Figure 4 This is an enlarged schematic diagram of the internal structure of the column in this utility model;

[0021] Figure 5 This is a side view of the present invention.

[0022] In the diagram: 1. Base; 2. Column; 3. Through-hole; 4. Pressure roller; 5. Bushing; 6. Splined shaft; 7. Connecting frame; 8. Cam; 9. Elastic element; 10. Spring; 11. Rotating shaft; 12. Worm gear; 13. Worm; 14. Servo motor; 15. Collection groove; 16. Protrusion; 17. Groove; 18. Elastic strip; 19. Hard strip. Detailed Implementation

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0024] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0025] A preferred embodiment of the cling film roll excess material recycling device provided by this utility model is, for example... Figures 1 to 5 As shown:

[0026] A device for recycling excess material from a plastic wrap roll is characterized in that it includes a base 1, with two sets of mirror-distributed connecting mechanisms on the upper end of the base 1. The connecting mechanisms are used to install the plastic wrap roll on the base 1, and a driving mechanism is installed on the base 1 to drive the connecting mechanisms and the plastic wrap roll to rotate.

[0027] The connecting mechanism includes a column 2, which is located on one side of the base 1. The column 2 is hollow inside, and has multiple through holes 3 arranged in a circular array on its outer side. The through holes 3 communicate with the inner cavity of the column 2. Multiple pressure rollers 4 are located inside the column 2, with one end of each pressure roller 4 protruding from the through hole 3. An adjustment component is installed on the column 2 to adjust the position of the pressure rollers 4. A bushing 5 is rotatably installed on the base 1. A splined shaft 6 is inserted into the bushing 5 and splinedly connected to the bushing 5. The splined shaft 6 can slide along the bushing 5. A connecting frame 7 is fixedly installed on the column 2. One end of the splined shaft 6 is fixedly installed on the connecting frame 7. A spring 10 is fixedly connected inside the bushing 5, and the other end of the spring 10 is fixedly connected to the splined shaft 6.

[0028] The surface of the pressure roller 4 is provided with anti-slip texture, which can increase the friction between the pressure roller 4 and the inner wall of the plastic wrap roll, thereby improving the stability of the device in fixing the plastic wrap roll.

[0029] The adjustment assembly includes a cam 8 housed within the column 2. Elastic elements 9 are fixedly connected to both sides of the pressure roller 4, with the ends of the elastic elements 9 fixedly connected to the column 2. A rotating shaft 11 is fixedly mounted on the cam 8, rotatably mounted on and penetrating the column 2. A worm gear 12 is fixedly mounted at the end of the rotating shaft 11. A worm 13 is rotatably mounted on the column 2, meshing with the worm gear 12. The transmission between the worm 13 and the worm gear 12 is self-locking, and a handle is fixedly mounted at the end of the worm 13.

[0030] The drive mechanism includes a servo motor 14, which is fixedly mounted on one side of the base 1, and the output shaft of the servo motor 14 is fixedly connected to the bushing 5 located on one side.

[0031] A collection trough 15 is placed at the bottom of the base 1 to collect the plastic wrap cut off by the collection trough 15. An anti-slip pad is provided at the bottom of the base 1 to prevent the device from sliding on the support surface and improve the stability of the device's position. A protrusion 16 is provided on the base 1, and a groove 17 is formed on the protrusion 16. An elastic strip 18 is fixedly connected to the groove 17, and a rigid strip 19 is fixedly connected to the elastic strip 18.

[0032] A schematic diagram of the device's operation can be found here. Figure 1 As shown, the worker places the plastic wrap roll between two pillars 2. By pressing the pillars 2, the two pillars 2 on both sides are moved away from each other. The pillars 2, connecting frame 7, and spline shaft 6 move synchronously. The spline shaft 6 moves into the bushing 5, and the spring 10 is compressed, making the distance between the two pillars 2 large enough to allow the plastic wrap roll to be placed between them. Thus, the device can hold plastic wrap rolls of different lengths and is suitable for plastic wrap rolls of different specifications.

[0033] Release the two columns 2. The spring force of the spring 10 moves the two columns 2 into the plastic wrap roll. Then, by rotating the worm gear 13, the worm wheel 12 rotates. The worm wheel 12, the rotating shaft 11, and the cam 8 rotate synchronously. The protrusion on the cam 8 pushes the pressure roller 4 to move outward. The outer end of the pressure roller 4 presses against the inner wall of the plastic wrap roll, resulting in a large frictional force between them. The plastic wrap roll can rotate synchronously with the pressure roller 4. Then, the servo motor 14 drives the bushing 5 to rotate, which can drive the columns 2, the pressure roller 4, and the plastic wrap roll to rotate synchronously. The rotation angle of the plastic wrap roll is fixed. The device can assist the worker in rotating the plastic wrap roll and releasing a certain length of plastic wrap. The device can replace the worker in fixing and rotating the plastic wrap roll. The worker only needs to cut the plastic wrap.

[0034] The staff cuts the plastic wrap with a hand-held cutter. The cutter comes into contact with the hard strip 19, which is hard and not easily damaged. The elastic strip 18 can deform, and the hard strip 19 has a reversible property, which prevents the hard strip 19 from damaging the cutter.

[0035] It is worth noting that the circuits, electronic components, and modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0036] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative; the division of units described above is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; the indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0037] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A device for recycling excess material from a plastic wrap roll, characterized in that, Includes a base (1), the upper end of which is provided with two sets of mirror-distributed connecting mechanisms, the connecting mechanisms being used to install the plastic wrap roll on the base (1), and a driving mechanism being installed on the base (1), the driving mechanism being used to drive the connecting mechanisms and the plastic wrap roll to rotate; The connecting mechanism includes a column (2) which is disposed on one side of the base (1). The column (2) is hollow inside. Multiple through holes (3) arranged in a circular array are provided on the outside of the column (2). The through holes (3) communicate with the inner cavity of the column (2). Multiple pressure rollers (4) are provided inside the column (2). One end of each pressure roller (4) protrudes from the through hole (3). An adjustment component is installed on the column (2) to adjust the position of the pressure rollers (4). A bushing (5) is rotatably mounted on the base (1). A spline shaft (6) is inserted inside the bushing (5). The bushing (5) and the spline shaft (6) are splined together. The spline shaft (6) can slide along the bushing (5). A connecting frame (7) is fixedly mounted on the column (2). One end of the spline shaft (6) is fixedly mounted on the connecting frame (7). A spring (10) is fixedly connected inside the bushing (5). The other end of the spring (10) is fixedly connected to the spline shaft (6).

2. The excess material recycling device for cling film rolls as described in claim 1, characterized in that, The surface of the pressure roller (4) is provided with anti-slip texture.

3. The excess material recycling device for cling film rolls as described in claim 1, characterized in that, The adjustment assembly includes a cam (8) disposed in the column (2), elastic elements (9) are fixedly connected to both sides of the pressure roller (4), the ends of the elastic elements (9) are fixedly connected to the column (2), a rotating shaft (11) is fixedly installed on the cam (8), the rotating shaft (11) is rotatably installed on the column (2) and passes through the column (2), a worm gear (12) is fixedly installed at the end of the rotating shaft (11), and a worm (13) is rotatably installed on the column (2), the worm (13) meshes with the worm gear (12).

4. The excess material recycling device for cling film rolls as described in claim 3, characterized in that, The transmission between the worm (13) and the worm wheel (12) is self-locking, and a handle is fixedly installed at the end of the worm (13).

5. The excess material recycling device for cling film rolls as described in claim 3, characterized in that, The drive mechanism includes a servo motor (14), which is fixedly mounted on one side of the base (1), and the output shaft of the servo motor (14) is fixedly connected to a bushing (5) located on one side.

6. The excess material recycling device for cling film rolls as described in claim 1, characterized in that, A collection trough (15) is placed at the bottom of the base (1).

7. The excess material recycling device for cling film rolls as described in claim 1, characterized in that, The base (1) is provided with a protrusion (16), and a groove (17) is provided on the protrusion (16). An elastic strip (18) is fixedly connected in the groove (17), and a rigid strip (19) is fixedly connected on the elastic strip (18).

8. The excess material recycling device for cling film rolls as described in claim 1, characterized in that, The base (1) is provided with an anti-slip pad at the bottom.