Adjustable stretching and winding film winding mechanism

The disassembly and assembly mechanism driven by the electromagnet and servo motor solves the problem of inconvenience in manual disassembly of the winding roller after wrapping the film, realizes the automatic disassembly and installation of the winding roller, and improves the operating efficiency.

CN223328680UActive Publication Date: 2025-09-12NANJING LVWO PACKING MATERIALS CO LTD
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Patent Information

Application Number
CN202422933558.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-09-12
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

In the prior art, the winding roller is heavy after being wrapped with the film, and is inconvenient to remove manually, especially since the winding roller needs to be removed from one side.

Method used

The disassembly and assembly mechanism is driven by an electromagnet and a servo motor. The repulsive force of the electromagnet pushes the limit plate plug-in block to fix the winding roller. The servo motor drives the winding roller to rotate to achieve automatic disassembly and assembly.

Benefits of technology

The reel can be easily disassembled and installed, which reduces manual operation and improves operating efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223328680U_ABST
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Abstract

The utility model relates to the technical field of winding mechanisms, and discloses an adjustable stretching wrapping film winding mechanism which comprises a base, a dismounting mechanism is arranged at the top of the base, an adjusting mechanism is arranged at the top of the base, the dismounting mechanism comprises a supporting frame and a winding roller, a rotating assembly is arranged outside the supporting frame, and the rotating assembly is connected with the winding roller. A fixing plate is arranged at one end of the rotating assembly, a connecting cylinder and a connecting column are fixedly connected to one end of the fixing plate, fixing grooves are formed in the inner side of the connecting cylinder and the outer side of the connecting column, first electromagnets are installed in the fixing grooves, and second electromagnets are arranged at one ends of the first electromagnets; one end of the second electromagnet is fixedly connected with a limiting plate, one end of the limiting plate is fixedly connected with a reset spring, the other end of the limiting plate is fixedly connected with an inserting block, and according to the adjustable stretching and winding film winding mechanism, manual dismounting and mounting are not needed through the dismounting and mounting mechanism, and the effect of conveniently mounting the winding roller is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of winding mechanisms, in particular to an adjustable stretch wrap film winding mechanism. Background Art

[0002] Stretch film, also known as stretch film or heat shrink film, was first produced in China using PVC as the base material and DOA as the plasticizer, which also acts as a self-adhesive agent. PE stretch film is primarily extruded from a blend of several different grades of polyethylene resin and offers puncture resistance, ultra-thinness, and high strength.

[0003] According to Chinese patent publication number CN 117533846 A, an adjustable stretch film winding mechanism is disclosed. The device includes a base and a guide roller installed on one side of the top of the base; an adjustment component installed on the top of the base for automatically adjusting the tension of the stretch film; a winding component installed on the other side of the top of the base for winding the stretch film; and a protective component installed on the top of the base and located between the adjustment component and the winding component to prevent the stretch film from folding together after cutting. The adjustable stretch film winding mechanism automatically adjusts the height of the adjustment roller as the thickness of the winding roller increases, further ensures that the tension of the stretch film remains unchanged during the winding process, ensures the consistency of the stretching and winding of the stretch film, and also achieves the effect of limiting and fixing the stretch film before cutting, thereby avoiding the problem of adsorption and folding of the stretch film when cut.

[0004] When using the above-mentioned prior art, although the movable frame can be disassembled and the winding roller can be removed manually, this method requires removing the winding roller from one side, and the winding roller is heavy after winding the wrapping film, making it inconvenient to remove manually. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable stretch wrap film winding mechanism to solve the problem that in the prior art proposed in the above background technology, although the movable frame can be disassembled and the winding roller can be manually removed during use, this method requires the winding roller to be removed from one side, and the winding roller is heavy after winding the stretch film, making it inconvenient to disassemble manually.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: an adjustable stretch wrap film winding mechanism, comprising a base, a disassembly mechanism is provided on the top of the base, and an adjustment mechanism is provided on the top of the base;

[0007] The disassembly and assembly mechanism includes a support frame and a winding roller, a rotating assembly is provided on the outside of the support frame, a fixing plate is provided at one end of the rotating assembly, one end of the fixing plate is fixedly connected to a connecting cylinder and a connecting column, a fixing groove is provided on the inner side of the connecting cylinder and the outer side of the connecting column, a first electromagnet is installed inside the fixing groove, a second electromagnet is provided at one end of the first electromagnet, one end of the second electromagnet is fixedly connected to a limiting plate, one end of the limiting plate is fixedly connected to a return spring, and the other end of the limiting plate is fixedly connected to a plug-in block, connecting grooves are provided at both ends of the winding roller, and plug-in grooves are provided on the inner side of the connecting groove and the outside of the winding roller.

[0008] Preferably, the rotating assembly includes a first servo motor, a first rotating shaft is installed at one end of the first servo motor, one end of the first rotating shaft is fixedly connected to a connecting plate, one end of the connecting plate is fixedly connected to a connecting block, one end of the connecting block is fixedly connected to a second servo motor, and one end of the second servo motor is installed with a second rotating shaft.

[0009] Preferably, the first servo motor is fixedly connected to the outside of the support frame, and one end of the second rotating shaft is fixedly connected to one end of the fixing plate.

[0010] Preferably, the limiting plate is configured to be T-shaped, and the fixing groove is configured to be double-layered.

[0011] Preferably, the adjustment mechanism includes an adjustment slot, the internal rotation of the adjustment slot is connected to a bidirectional screw rod, one end of the bidirectional screw rod is installed with an adjustment motor, the external thread of the bidirectional screw rod is connected to an adjustment block, and the top of the adjustment block is fixedly connected to a cylinder.

[0012] Preferably, the adjustment slot is opened on the top of the base, and one end of the adjustment motor is fixedly connected to one end of the base.

[0013] Preferably, a plurality of the cylinders are provided, and the tops of the plurality of cylinders are fixedly connected to the bottom of the support frame.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0015] First, the utility model places the winding roller on the base, and then uses the adjustment mechanism to make one end of the fixing plate contact and fit with the two ends of the winding roller, so that the connecting tube at one end of the fixing plate is sleeved on the outside of the winding roller, the connecting column is inserted into the inside of the winding roller, and the fixing groove on the inner side of the connecting tube and the fixing groove on the outside of the connecting column are aligned with the plug-in groove on the outside of the winding roller, and then the battery inside the fixing plate is used to power the first electromagnet and the second electromagnet in the connecting tube and the connecting column, so that the first electromagnet and the second electromagnet are energized and repel each other, thereby pushing the T-shaped limit plate toward the plug-in groove until the protruding end of the T-shaped limit plate moves out of the first layer of the fixed groove, thereby making the plug-in block at one end of the limit plate extend out of the fixed groove and insert into the winding roller. The winding roller is fixed in the plug-in slots on the outside and inside of the winding roller, and then the first rotating shaft is driven to rotate by the first servo motor, and then the connecting plate is driven to rotate, thereby rotating the winding roller ninety degrees in a circle, and then the second rotating shaft is driven to rotate by starting the second servo motor at one end of the connecting block, thereby driving the fixed plate to rotate, and then driving the winding roller to rotate and rewind the wrapping film. After winding is completed, the above steps are repeated in reverse so that the wound winding roller is located on the base, and the first electromagnet and the second electromagnet are de-energized, and then the reset spring drives the limit plate to retract into the fixed slot, thereby allowing the connecting column and the connecting cylinder to detach from the winding roller, releasing the fixation of the winding roller, and completing the disassembly. No manual disassembly and installation is required, thereby achieving the effect of facilitating the installation of the winding roller.

[0016] Second, the utility model starts the adjustment motor to drive the bidirectional screw in the adjustment slot to rotate, and then drives the two external adjustment blocks to move toward or oppositely, thereby driving the support frame to move toward or oppositely, and then the support frame can be driven by the cylinder to be raised and lowered, which is convenient for adjusting the position of the fixed plate and convenient for docking with the winding roller, thereby completing the easy adjustment operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the winding roller of the utility model;

[0019] Figure 3 This is a cross-sectional view of the disassembly and assembly mechanism of the utility model;

[0020] Figure 4 This is an enlarged view of point A of the present utility model.

[0021] Among them: 1. Base; 2. Disassembly and assembly mechanism; 3. Adjustment mechanism; 21. Support frame; 22. Rotating assembly; 23. Fixed plate; 24. Connecting cylinder; 25. Connecting column; 26. First electromagnet; 27. Second electromagnet; 28. Limiting plate; 29. ​​Reset spring; 201. Plug-in block; 202. Winding roller; 203. First servo motor; 204. First rotating shaft; 205. Connecting plate; 206. Connecting block; 207. Second servo motor; 208. Second rotating shaft; 31. Bidirectional screw; 32. Adjustment motor; 33. Adjustment block; 34. Cylinder. DETAILED DESCRIPTION

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

[0023] The utility model provides the following technical solutions:

[0024] Example 1

[0025] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 , an adjustable stretch film winding mechanism, comprising a base 1, a disassembly mechanism 2 is provided on the top of the base 1, and an adjustment mechanism 3 is provided on the top of the base 1;

[0026] The disassembly and assembly mechanism 2 includes a support frame 21 and a winding roller 202. A rotating component 22 is provided on the outside of the support frame 21. A fixed plate 23 is provided at one end of the rotating component 22. One end of the fixed plate 23 is fixedly connected to a connecting cylinder 24 and a connecting column 25. A fixing groove is provided on the inner side of the connecting cylinder 24 and the outer side of the connecting column 25. A first electromagnet 26 is installed inside the fixed groove. A second electromagnet 27 is provided at one end of the first electromagnet 26. One end of the second electromagnet 27 is fixedly connected to a limiting plate 28. One end of the limiting plate 28 is fixedly connected to a return spring 29. The other end of the limiting plate 28 is fixedly connected to a plug-in block 201. Connecting grooves are provided at both ends of the winding roller 202. Plug-in grooves are provided on the inner side of the connecting groove and the outside of the winding roller 202.

[0027] The rotating assembly 22 includes a first servo motor 203, one end of which is mounted with a first rotating shaft 204, one end of which is fixedly connected with a connecting plate 205, one end of which is fixedly connected with a connecting block 206, one end of which is fixedly connected with a second servo motor 207, and one end of which is mounted with a second rotating shaft 208.

[0028] The first servo motor 203 is fixedly connected to the outside of the support frame 21 , and one end of the second rotating shaft 208 is fixedly connected to one end of the fixing plate 23 .

[0029] The limiting plate 28 is configured to be T-shaped, and the fixing groove is configured to be double-layered.

[0030] Through the above technical solution, by placing the winding roller 202 on the base 1, and then using the adjustment mechanism 3 to make one end of the fixing plate 23 contact and fit with the two ends of the winding roller 202, the connecting tube 24 at one end of the fixing plate 23 is sleeved on the outside of the winding roller 202, the connecting column 25 is inserted into the inside of the winding roller 202, and the fixing groove inside the connecting tube 24 and the fixing groove outside the connecting column 25 are aligned with the plug-in groove outside the winding roller 202, and then the battery inside the fixing plate 23 is used to power the first electromagnet 26 and the second electromagnet 27 in the connecting tube 24 and the connecting column 25, so that the first electromagnet 26 and the second electromagnet 27 are energized and then repel each other, thereby pushing the T-shaped limit plate 28 toward the plug-in groove until the protruding end of the T-shaped limit plate 28 moves out of the first layer of fixed groove, thereby making the plug-in block 201 at one end of the limit plate 28 extend out of the fixed groove and insert into the winding roller. The first servo motor 203 drives the first rotating shaft 204 to rotate, thereby driving the connecting plate 205 to rotate, thereby rotating the winding roller 202 circumferentially by ninety degrees, and then the second servo motor 207 at one end of the connecting block 206 drives the second rotating shaft 208 to rotate, thereby driving the fixing plate 23 to rotate, and then driving the winding roller 202 to rotate and rewind the wrapping film. After winding is completed, the above steps are repeated in reverse, so that the wound winding roller 202 is located on the base 1, and the first electromagnet 26 and the second electromagnet 27 are de-energized, and then the return spring 29 drives the limit plate 28 to retract into the fixing groove, thereby making the connecting column 25 and the connecting cylinder 24 disengage from the winding roller 202, releasing the fixation of the winding roller 202, completing the disassembly, and no manual disassembly and installation are required, thereby achieving the effect of facilitating the installation of the winding roller 202.

[0031] Example 2

[0032] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4, and on the basis of Example 1, it is further obtained that: the adjustment mechanism 3 includes an adjustment groove, the internal rotation of the adjustment groove is connected to a bidirectional screw rod 31, one end of the bidirectional screw rod 31 is installed with an adjustment motor 32, the external thread of the bidirectional screw rod 31 is connected to an adjustment block 33, and the top of the adjustment block 33 is fixedly connected to a cylinder 34.

[0033] The adjustment slot is provided on the top of the base 1 , and one end of the adjustment motor 32 is fixedly connected to one end of the base 1 .

[0034] A plurality of cylinders 34 are provided, and the tops of the plurality of cylinders 34 are fixedly connected to the bottom of the support frame 21 .

[0035] Through the above technical solution, by starting the adjustment motor 32, the bidirectional screw rod 31 in the adjustment slot is driven to rotate, and then the two external adjustment blocks 33 are driven to move toward or oppositely, thereby driving the support frame 21 to move toward or oppositely, and then the cylinder 34 can drive the support frame 21 to be raised and lowered, which is convenient for adjusting the position of the fixed plate 23 and convenient for docking with the winding roller 202, thereby completing the easy adjustment operation.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit thereof, and the scope is defined by the appended claims and their equivalents.

Claims

1. An adjustable stretch film winding mechanism, comprising a base (1), characterized in that: The top of the base (1) is provided with a disassembly mechanism (2), and the top of the base (1) is provided with an adjustment mechanism (3); The disassembling and assembling mechanism (2) comprises a support frame (21) and a winding roller (202), a rotating assembly (22) is provided on the outside of the support frame (21), a fixing plate (23) is provided at one end of the rotating assembly (22), one end of the fixing plate (23) is fixedly connected to a connecting cylinder (24) and a connecting column (25), a fixing groove is provided on the inner side of the connecting cylinder (24) and the outer side of the connecting column (25), a first electromagnet (26) is installed inside the fixing groove, a second electromagnet (27) is provided at one end of the first electromagnet (26), one end of the second electromagnet (27) is fixedly connected to a limiting plate (28), one end of the limiting plate (28) is fixedly connected to a return spring (29), the other end of the limiting plate (28) is fixedly connected to a plug-in block (201), connecting grooves are provided at both ends of the winding roller (202), and plug-in grooves are provided on the inner side of the connecting groove and the outer side of the winding roller (202).

2. The adjustable stretch film winding mechanism according to claim 1, characterized in that: The rotating assembly (22) comprises a first servo motor (203), one end of the first servo motor (203) is mounted with a first rotating shaft (204), one end of the first rotating shaft (204) is fixedly connected with a connecting plate (205), one end of the connecting plate (205) is fixedly connected with a connecting block (206), one end of the connecting block (206) is fixedly connected with a second servo motor (207), and one end of the second servo motor (207) is mounted with a second rotating shaft (208).

3. The adjustable stretch film winding mechanism according to claim 2, characterized in that: The first servo motor (203) is fixedly connected to the outside of the support frame (21), and one end of the second rotating shaft (208) is fixedly connected to one end of the fixed plate (23).

4. The adjustable stretch film winding mechanism according to claim 1, characterized in that: The limiting plate (28) is configured to be T-shaped, and the fixing groove is configured to be double-layered.

5. The adjustable stretch film winding mechanism according to claim 1, characterized in that: The adjusting mechanism (3) comprises an adjusting slot, the interior of the adjusting slot is rotatably connected to a bidirectional screw rod (31), one end of the bidirectional screw rod (31) is mounted with an adjusting motor (32), the external thread of the bidirectional screw rod (31) is connected to an adjusting block (33), and the top of the adjusting block (33) is fixedly connected to a cylinder (34).

6. The adjustable stretch film winding mechanism according to claim 5, characterized in that: The adjustment slot is provided on the top of the base (1), and one end of the adjustment motor (32) is fixedly connected to one end of the base (1).

7. The adjustable stretch film winding mechanism according to claim 5, characterized in that: A plurality of cylinders (34) are provided, and the tops of the plurality of cylinders (34) are fixedly connected to the bottom of the support frame (21).

Citation Information

Patent Citations

  • Adjustable stretching and winding film winding mechanism

    CN117533846A