Rolling equipment convenient for roll replacement and used for mulching film production

By adopting a connecting shaft, locking pin, and telescopic rod structure in the winding equipment, the problem of inconvenient roll changing caused by full rolls in mulch film production is solved, realizing convenient roll changing and stable support of the equipment, and improving operating efficiency.

CN224198845UActive Publication Date: 2026-05-05GANSU HAOXIN PLASTICS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-10
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

During the production of plastic film, the phenomenon of full rolls during winding makes it inconvenient to change rolls, causing trouble for the staff.

Method used

A film rewinding device for mulch film production that is easy to change rolls was designed. The device achieves convenient assembly by fixing connecting shafts and mounting sleeves on both sides of the rewinding roller and using locking pins and locking nuts. The device's support and adjustment capabilities are improved by using telescopic rods and slider structures.

Benefits of technology

It improves assembly convenience and equipment support capabilities, while enhancing adjustment capabilities, simplifying the roll changing process, and reducing the operational difficulty for staff.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mulching film production, and discloses a mulching film production winding device convenient for roll replacement, which comprises a fixed bottom plate, a vertical rod and a winding roller, two sides of the winding roller are fixedly provided with discs for limiting, the upper position and the lower position of a mounting sleeve are provided with mounting holes, a connecting shaft is internally provided with a hole, and the connecting shaft is provided with a connecting rod. Clamping pins are inserted into the mounting holes and the holes, and locking nuts are connected to the outer positions of the upper positions and the lower positions of the clamping pins. The connecting shafts are fixed on the two sides of the wind-up roller, the side edges of the mounting sleeves are designed to be open, and the notches are formed in the front end faces of the mounting sleeves, so that the connecting shafts can be assembled from the positions of the notches and can also be assembled from the positions of the open sides, and the mounting holes are formed in the upper and lower positions in the mounting sleeves. During assembly, the bayonet lock penetrates through the mounting hole and the hole to complete connection between the connecting shaft and the mounting sleeve, and then the locking nuts are adopted on the outer surfaces of the upper position and the lower position of the bayonet lock for locking assembly, so that the assembly convenience is improved.
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Description

Technical Field

[0001] This utility model relates to the field of mulch film production technology, specifically a mulch film production winding device that facilitates roll changing. Background Technology

[0002] Mulch film is a thin film used to cover the surface of farmland soil. It is mainly made of plastic materials such as polyethylene. It is widely used in agricultural production. Its main functions are to improve the soil environment and promote crop growth. The plastic film covering crops is used to protect young plants and increase soil temperature. Therefore, mulch film is a relatively common facility.

[0003] In the process of producing mulch film, in order to ensure the flatness and curvature of the mulch film, so as to facilitate subsequent packaging and transportation, a winding process is usually required during the production of mulch film. The shaped mulch film is wound onto a roll to ensure the flatness and curvature of the mulch film. However, there may be a phenomenon of full roll during winding, so roll changing is required. If the disassembly is not convenient enough during roll changing, it can easily cause inconvenience to the staff. Utility Model Content

[0004] The purpose of this utility model is to provide a winding device for mulch film production that facilitates roll changing, in order to solve the problem mentioned in the background art that there is a phenomenon of full roll during winding, so roll changing is required. If disassembly is not convenient enough during roll changing, it will easily cause inconvenience to the workers.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a film rewinding device for easy roll changing in mulch film production, comprising a fixed base plate, a vertical pole, and a rewinding roller. Two discs for limiting the position are fixed on both sides of the rewinding roller, and connecting shafts are fixed to the sides of each disc. A shaft is rotatably mounted on the side of the vertical pole, and an mounting sleeve is fixed to one end of the shaft. A drive motor is mounted on the side of the right vertical pole, and the output end of the drive motor is connected to the side of a shaft via a coupling. A slot is provided on the front end face of the mounting sleeve, and mounting holes are provided at the upper and lower positions of the mounting sleeve. A hole is provided inside the connecting shaft, and locking pins are inserted into the mounting holes and the holes. Locking nuts are connected to the outer positions of the upper and lower positions of the locking pins.

[0006] As a further technical solution of this utility model, the outer wall of the upper and lower positions of the locking pin is fixed with an external thread, and the external thread is threadedly connected to the locking nut.

[0007] As a further technical solution of this utility model, the connecting shaft is symmetrically distributed about the central axis of the take-up roller, and the vertical height of the slot is greater than the outer diameter of the connecting shaft.

[0008] As a further technical solution of this utility model, the top two sides of the fixed base plate are provided with sliding grooves, and a slider is slidably connected in the sliding grooves. The top of the slider is fixed to the bottom of the upright.

[0009] As a further technical solution of this utility model, upright plates are fixed on both sides of the top of the fixed base plate, and a second telescopic rod is fixedly assembled on the side of the upright plate, with the telescopic end of the second telescopic rod connected to the side of the upright.

[0010] As a further technical solution of this utility model, the upright plates are symmetrically distributed about the central axis of the fixed base plate, and the sliding groove and the slider form a sliding connection.

[0011] As a further technical solution of this utility model, a first telescopic rod is fixed at the middle position of the top of the fixed base plate, a connecting block is fixedly connected to the telescopic end of the top of the first telescopic rod, a connecting mounting plate is fixed to the top of the connecting block, and a support plate is installed on the top of the connecting mounting plate by bolts.

[0012] As a further technical solution of this utility model, the inner arc surface of the top of the support plate is coated with an adhesive layer, and a protective pad is bonded to the outside of the adhesive layer.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this easy-to-change film production winding equipment not only improves the ease of assembly, but also improves the support capacity and adjustment capacity of the winding equipment.

[0014] (1) By fixing the connecting shaft to both sides of the take-up roller, the side of the mounting sleeve is designed to be open, and the front end face of the mounting sleeve is opened with a slot. Therefore, the connecting shaft can be assembled from the slot or from the open side. The mounting hole is opened in the upper and lower positions inside the mounting sleeve. During assembly, the locking pin passes through the mounting hole and the inside of the hole to complete the connection between the connecting shaft and the mounting sleeve. Then, a locking nut is used on the outer surface of the upper and lower positions of the locking pin to lock the assembly, thereby improving the assembly convenience.

[0015] (2) By installing and fixing the first telescopic rod at the middle position of the top of the fixed base plate, and by using bolts to fix the connecting mounting plate and the support plate, the support plate is designed to be detachable. The adhesive layer is used to bond and fix the protective pad. Therefore, when changing the winding roller, the first telescopic rod can be started and then supported by the support plate, thereby improving the overall support capacity.

[0016] (3) By opening the groove in the top of both sides of the fixed base plate and fixing the slider at the bottom of the upright, the slider is slidably set inside the groove. Therefore, after the second telescopic rod works, the position of the upright can be pushed to move laterally. At this time, the lateral position of the upright can be adjusted. During the adjustment, the groove and the slider cooperate to guide the sliding, thereby improving the overall adjustment capability in the working process. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of the mounting sleeve of this utility model;

[0019] Figure 3 This is a front view sectional view of the mounting sleeve of this utility model;

[0020] Figure 4 This is a side view of the support plate structure of this utility model.

[0021] In the diagram: 1. Fixed base plate; 2. Slide groove; 3. Upright pole; 4. First telescopic pole; 5. Connecting mounting plate; 6. Support plate; 7. Sliding block; 8. Second telescopic pole; 9. Upright plate; 10. Drive motor; 11. Take-up roller; 12. Connecting shaft; 13. Mounting sleeve; 14. Groove; 15. Mounting hole; 16. Shaft; 17. Hole; 18. Locking pin; 19. Connecting block; 20. Adhesive layer; 21. Protective pad. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4This utility model provides an embodiment of a film rewinding device for easy roll changing in mulch film production, including a fixed base plate 1, a vertical pole 3, and a rewinding roller 11. Two discs for limiting the position are fixed on both sides of the rewinding roller 11, and connecting shafts 12 are fixed to the sides of each disc. A shaft 16 is rotatably mounted on the side of the vertical pole 3, and an mounting sleeve 13 is fixed to one end of the shaft 16. A drive motor 10 is mounted on the side of the right vertical pole 3, and the output end of the drive motor 10 is connected to the side of a shaft 16 via a coupling. A slot 14 is provided on the front end face of the mounting sleeve 13, and mounting holes 15 are provided at the upper and lower positions of the mounting sleeve 13. A hole 17 is provided inside the connecting shaft 12, and locking pins 18 are inserted into the mounting holes 15 and the hole 17. Locking nuts are connected to the outer positions of the upper and lower positions of the locking pins 18.

[0024] The outer wall of the upper and lower positions of the locking pin 18 is fixed with external threads, and the external threads are threadedly connected to the locking nut.

[0025] The connecting shaft 12 is symmetrically distributed about the central axis of the take-up roller 11, and the vertical height of the slot 14 is greater than the outer diameter of the connecting shaft 12.

[0026] The top two sides of the fixed base plate 1 are provided with sliding grooves 2, and sliders 7 are slidably connected in the sliding grooves 2. The top of the sliders 7 is fixed to the bottom of the uprights 3.

[0027] Upright plates 9 are fixed on both sides of the top of the fixed base plate 1. A second telescopic rod 8 is fixedly mounted on the side of the upright plate 9. The telescopic end of the second telescopic rod 8 is connected to the side of the upright 3.

[0028] The upright plate 9 is symmetrically distributed about the central axis of the fixed base plate 1, and the sliding groove 2 and the slider 7 form a sliding connection.

[0029] A first telescopic rod 4 is fixed at the middle position of the top of the fixed base plate 1. A connecting block 19 is fixedly connected to the telescopic end of the top of the first telescopic rod 4. A connecting mounting plate 5 is fixed to the top of the connecting block 19. A support plate 6 is installed on the top of the connecting mounting plate 5 using bolts.

[0030] The inner arc surface at the top of the support plate 6 is coated with an adhesive layer 20, and a protective pad 21 is bonded to the outside of the adhesive layer 20.

[0031] A protective pad 21 is further bonded to the outside of the adhesive layer 20. The assembly direction of the protective pad 21 is adapted to the curvature of the support plate 6. Therefore, when the support plate 6 is supported, it is protected by the contact between the protective pad 21 and the winding roller 11.

[0032] Working principle: First, during operation, the connecting shaft 12 can be assembled from the slot 14 or from the side opening. The mounting hole 15 is opened in the upper and lower positions inside the mounting sleeve 13. During assembly, the locking pin 18 passes through the mounting hole 15 and the hole 17 to complete the connection between the connecting shaft 12 and the mounting sleeve 13. Then, the locking nut is used to lock the assembly on the outer surface of the upper and lower positions of the locking pin 18. Then, the drive motor 10 is started and works under the connection of the shaft 16, which can drive the take-up roller 11 to roll for winding. After the winding is completed, the first telescopic rod 4 can be started and supported by the support plate 6. Then, the locking nut is removed and the locking pin 18 is taken out. Then, the take-up roller 11 is disassembled and a new take-up roller 11 is selected for reassembly.

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A film rewinding device for mulch film production that facilitates roll changing, comprising a fixed base plate (1), a vertical pole (3), and a rewinding roller (11), characterized in that: The take-up roller (11) has a disc fixed on both sides for limiting, and a connecting shaft (12) is fixed on the side of each disc. A shaft (16) is rotatably installed on the side of the upright (3). An installation sleeve (13) is fixed at one end of the shaft (16). A drive motor (10) is installed on the side of the right upright (3). The output end of the drive motor (10) is connected to the side of a shaft (16) by a coupling. A slot (14) is opened on the front end face of the installation sleeve (13). An installation hole (15) is opened at the upper and lower positions of the installation sleeve (13). A hole (17) is opened in the connecting shaft (12). A locking pin (18) is inserted in the installation hole (15) and the hole (17). A locking nut is connected to the outer position of the upper and lower positions of the locking pin (18).

2. The film rewinding equipment for mulch film production that facilitates roll changing according to claim 1, characterized in that: The outer wall of the upper and lower positions of the locking pin (18) is fixed with external threads, and the external threads are threadedly connected to the locking nut.

3. The film rewinding equipment for mulch film production that facilitates roll changing according to claim 1, characterized in that: The connecting shaft (12) is symmetrically distributed about the central axis of the take-up roller (11), and the vertical height of the slot (14) is greater than the outer diameter of the connecting shaft (12).

4. A film rewinding device for mulch film production that facilitates roll changing, as described in claim 1, characterized in that: The fixed base plate (1) has grooves (2) on both sides of the top. A slider (7) is slidably connected in the groove (2). The top of the slider (7) is fixed to the bottom of the upright (3). Upright plates (9) are fixed on both sides of the top of the fixed base plate (1). A second telescopic rod (8) is fixedly mounted on the side of the upright plate (9). The telescopic end of the side of the second telescopic rod (8) is connected to the side of the upright (3). The upright plates (9) are symmetrically distributed about the central axis of the fixed base plate (1). The groove (2) and the slider (7) form a sliding connection.

5. A film rewinding device for mulch film production that facilitates roll changing, as described in claim 1, characterized in that: A first telescopic rod (4) is fixed at the middle position of the top of the fixed base plate (1). A connecting block (19) is fixedly connected to the telescopic end of the top of the first telescopic rod (4). A connecting mounting plate (5) is fixed to the top of the connecting block (19). A support plate (6) is installed on the top of the connecting mounting plate (5) using bolts.

6. A film rewinding device for mulch film production that facilitates roll changing, as described in claim 5, characterized in that: The inner arc surface of the top of the support plate (6) is coated with an adhesive layer (20), and a protective pad (21) is bonded to the outside of the adhesive layer (20).