Protective film edge cutting device with positioning structure

By designing a protective film edge cutting device with a positioning structure, using components such as motors, hydraulic cylinders and guide rods to achieve effective edge cutting and safety protection of the protective film, the problem of high operational risk in the prior art is solved and the operational safety is improved.

CN222537844UActive Publication Date: 2025-02-28SHENZHEN CHUERFA NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202421300434.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-02-28
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

During the operation of the existing PE protective film edge cutting device, personnel need to pre-pass the protective film between the conveying roller and the cutting knife, and there is a lack of safety protection around the cutting knife, resulting in susceptibility to scratches on the hands and increasing the risk of operation.

Method used

A protective film edge cutting device with a positioning structure is designed, and the effective clamping positioning of the protective film coil material is achieved through the combination of a rotating seat, a first motor, a screw, a moving plate and a positioning seat to avoid displacement. At the same time, the second motor, hydraulic cylinder, fixed frame, shaft and hob are used for edge cutting, and safety protection is provided through T-shaped guide rods, guide grooves, drums, rotors and protective baffles to prevent people from touching the hob by mistake.

Benefits of technology

Effective edge cutting of the protective film is achieved, while greatly improving the safety of personnel operations and avoiding the risk of hand scratches.

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Abstract

The protective film edge cutting device with the positioning structure comprises a fixing frame and a second motor, a rotating seat is fixedly installed at the output end of the second motor, a hydraulic cylinder is fixedly installed at the middle end of the top of the fixing frame, and a fixing frame is fixedly installed at the output end of the hydraulic cylinder. Through the arrangement of the rotating seat, a protective film coiled material needing to be cut is conveniently supported, through the arrangement of the first motor, the screw rod, the movable plate and the positioning seat, the effect of effectively clamping and positioning the protective film coiled material is achieved, the protective film coiled material is prevented from displacing in the subsequent edge cutting process, and the service life of the protective film coiled material is prolonged. By arranging a second motor, a rotating seat, a hydraulic cylinder, a fixing frame, a rotating shaft and a hobbing cutter, the effect of effective edge cutting machining on a protective film is achieved, and by arranging a T-shaped guide rod, a guide groove, a rotating cylinder, a rotating rod, a fixing frame and a protective baffle, effective safety protection can be conducted on the periphery of the hobbing cutter.
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Description

Technical Field

[0001] The utility model relates to the technical field of protective film processing, in particular to a protective film edge cutting device with a positioning structure. Background Art

[0002] The protective film is used to attach to the surface of an object and wrap the surface of the object to prevent the surface of the object from being scratched and damaged. After the protective film is formed, the edge of the film needs to be cut off to cut the protective film into a finished film body of the required specifications.

[0003] For example, the Chinese utility model provides "a PE protective film trimming device", announcement number: CN218226954U, which includes a frame, a pressure roller, a trimming knife holder and a telescopic electric cylinder, wherein the frame is provided with supports on the left and right sides along the conveying direction of the protective film, the two ends of the pressure roller are correspondingly connected to the two supports for rotation, the two trimming knife holders are sleeved on the roller surface of the pressure roller and are connected to the pressure roller for rolling, and a cutting knife is provided on the outer side of the trimming knife holder, a plurality of telescopic electric cylinders are installed on the supports, and the output ends of the telescopic electric cylinders on the two supports are correspondingly connected to the two trimming knife holders, the frame is provided with a conveying roller in front of the pressure roller, and the diameter of the conveying roller is smaller than the diameter of the pressure roller, and a servo motor is provided on the left and right sides along the conveying direction of the protective film; the PE protective film trimming device can drive the cutting knife on the trimming knife holder to move along the pressure roller by the telescopic electric cylinder, and the position of the cutting knife can be adjusted to the corresponding position in accordance with the processing of the protective film without disassembly operation, which is convenient for adjustment and use.

[0004] Although the PE protective film trimming device in the above technology can perform trimming operations on the protective film, it is often necessary for personnel to pre-pass the protective film between the conveyor roller and the cutting knife during operation, and due to the lack of good safety protection around the cutting knife, the hands of personnel are easily scratched during operation, which greatly increases the danger of personnel operation. Utility Model Content

[0005] The utility model aims to provide a protective film trimming device with a positioning structure, which can effectively position a film roll to be cut, improves the safety of personnel operation, and is convenient for personnel to use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective film trimming device with a positioning structure, comprising a fixed frame and a second motor, a rotating seat is fixedly installed on the output end of the second motor, a hydraulic cylinder is fixedly installed on the middle end of the top of the fixed frame, a fixed frame is fixedly installed on the output end of the hydraulic cylinder, the lower end of the fixed frame is movably connected with a rotating shaft through a bearing, and rollers are fixedly installed on both ends of the rotating shaft, both ends of the top of the fixed frame are movably connected with a rotating rod through a bearing, the bottom of the rotating rod is fixedly connected with a protective baffle, the top of the rotating rod is fixedly connected with a rotating drum, a guide groove is opened on the surface of the rotating drum, a T-shaped guide rod is movably connected between the lower end of the guide groove and the top of the fixed frame, a workbench is fixedly connected to the bottom of the fixed frame, a first motor is fixedly installed on the upper end of the right side of the outer surface of the workbench, a screw is fixedly installed on the output end of the first motor, the left side of the screw is movably connected to the left side of the inner cavity of the workbench through a bearing, the right end of the screw is threadedly connected with a moving plate, and the upper end of the moving plate is movably connected with a positioning seat through a bearing.

[0007] As a preferred solution, both ends of the back side of the fixing frame are fixedly connected to a supporting frame, and the lower end of the rotating rod is movably connected to the surface of the supporting frame through a bearing.

[0008] As a preferred solution, the upper ends of both sides of the fixing frame are fixedly connected with guide rods, and both sides of the fixing frame are fixedly connected with guide plates, and the surfaces of the guide plates are movably connected to the surfaces of the guide rods.

[0009] As a preferred solution, a torsion spring is fixedly connected to the upper end of the rotating rod, and the top of the torsion spring is fixedly connected to the surface of the fixing frame.

[0010] As a preferred solution, both ends of the top of the outer surface of the fixed frame are fixedly connected to sliding rods, the top of the T-shaped guide rod is movably connected to the surface of the sliding rod, the right end of the top of the workbench is fixedly connected to the limiting rod, and the middle end of the movable plate is movably connected to the surface of the limiting rod.

[0011] As a preferred solution, the left end of the top of the outer surface of the workbench is fixedly connected to a support plate, and the right side of the second motor is fixedly installed on the upper end of the left side of the support plate.

[0012] As a preferred solution, rubber supports are fixedly connected around the bottom of the outer surface of the workbench, and a bottom plate is fixedly connected between the bottoms of two rubber supports.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model is convenient for supporting the protective film coil to be cut by setting the rotating seat. The first motor, the screw, the movable plate and the positioning seat are used to effectively clamp and position the protective film coil, thereby avoiding displacement of the protective film coil during the subsequent trimming process. The second motor, the rotating seat, the hydraulic cylinder, the fixed frame, the rotating shaft and the roller are used to effectively trim the protective film. The T-shaped guide rod, the guide groove, the rotating drum, the rotating rod, the fixed frame and the protective baffle are used to effectively protect the area around the roller, thereby avoiding injuries caused by accidental contact between personnel and the roller when replacing the protective film, thereby greatly improving the safety of personnel operation.

[0015] 2. The utility model achieves the purpose of stably supporting the lower end of the rotating rod and preventing the rotating rod from tilting due to force by setting the support frame; achieves the purpose of guiding the fixed frame and preventing the fixed frame from tilting during movement by setting the guide rod and the guide plate; can apply pressure during the rotation of the rotating rod by setting the torsion spring so that the rotating rod can be rotated and reset later; guides the T-shaped guide rod and the movable plate respectively and prevents them from tilting by setting the slide rod and the limit rod; supports and fixes the second motor by setting the support plate; supports the bottom of the workbench by setting the rubber support and the bottom plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a three-dimensional diagram from another perspective of the present invention;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the workbench of the utility model;

[0019] Figure 4 This is a schematic diagram of the rotary drum structure of the utility model.

[0020] In the figure: 1. workbench; 2. rubber support; 3. first motor; 4. fixed frame; 5. rotating shaft; 6. hob; 7. fixed frame; 8. guide plate; 9. guide rod; 10. slide rod; 11. T-shaped guide rod; 12. rotating drum; 13. hydraulic cylinder; 14. support frame; 15. protective baffle; 16. rotating rod; 17. torsion spring; 18. second motor; 19. support plate; 20. rotating seat; 21. positioning seat; 22. moving plate; 23. screw; 24. limit rod; 25. guide groove. DETAILED DESCRIPTION

[0021] 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.

[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Embodiment 1:

[0024] See also Figure 1-Figure 4 As shown, the utility model provides a protective film trimming device with a positioning structure, including a fixed frame 4 and a second motor 18, the output end of the second motor 18 is fixedly installed with a rotating seat 20, the middle end of the top of the fixed frame 4 is fixedly installed with a hydraulic cylinder 13, the output end of the hydraulic cylinder 13 is fixedly installed with a fixed frame 7, the lower end of the fixed frame 7 is movably connected with a rotating shaft 5 through a bearing, both ends of the rotating shaft 5 are fixedly installed with a roller 6, both ends of the top of the fixed frame 4 are movably connected with a rotating rod 16 through a bearing, the bottom of the rotating rod 16 is fixedly connected with a protective baffle 15, and the rotating rod 1 6 is fixedly connected to the top of the rotating drum 12, a guide groove 25 is opened on the surface of the rotating drum 12, a T-shaped guide rod 11 is movably connected between the lower end of the guide groove 25 and the top of the fixed frame 4, the bottom of the fixed frame 4 is fixedly connected to the workbench 1, the upper end of the right side of the outer surface of the workbench 1 is fixedly installed with a first motor 3, the output end of the first motor 3 is fixedly installed with a screw rod 23, the left side of the screw rod 23 is movably connected to the left side of the inner cavity of the workbench 1 through a bearing, the right end of the screw rod 23 is threadedly connected to a moving plate 22, and the upper end of the moving plate 22 is movably connected to a positioning seat 21 through a bearing.

[0025] In the present technical scheme, the setting of the rotating seat 20 facilitates the support of the protective film coil to be cut, and the setting of the first motor 3, the screw 23, the movable plate 22 and the positioning seat 21 achieves the effect of effectively clamping and positioning the protective film coil, thereby avoiding displacement of the protective film coil during the subsequent trimming process, and the setting of the second motor 18, the rotating seat 20, the hydraulic cylinder 13, the fixed frame 7, the rotating shaft 5 and the roller 6 achieves the effect of effectively trimming the protective film, and the setting of the T-shaped guide rod 11, the guide groove 25, the rotating drum 12, the rotating rod 16, the fixed frame 4 and the protective baffle 15 can effectively protect the area around the roller 6, thereby avoiding accidental contact between personnel and the roller 6 when replacing the protective film and causing injuries, thereby greatly improving the safety of personnel operation.

[0026] Embodiment 2:

[0027] On the basis of embodiment 1, the utility model is as follows Figure 1-Figure 4 As shown, it is disclosed that both ends of the back side of the fixed frame 4 are fixedly connected to the support frame 14, the lower end of the rotating rod 16 is movably connected to the surface of the support frame 14 through a bearing, the upper ends of both sides of the fixed frame 4 are fixedly connected to the guide rod 9, both sides of the fixed frame 7 are fixedly connected to the guide plate 8, the surface of the guide plate 8 is movably connected to the surface of the guide rod 9, the upper end of the rotating rod 16 is fixedly connected to the torsion spring 17, the top of the torsion spring 17 is fixedly connected to the surface of the fixed frame 4, both ends of the top of the outer surface of the fixed frame 4 are fixedly connected to the sliding rod 10, the top of the T-shaped guide rod 11 is movably connected to the surface of the sliding rod 10, the right end of the top of the workbench 1 is fixedly connected to the limit rod 24, the middle end of the movable plate 22 is movably connected to the surface of the limit rod 24, the left end of the top of the outer surface of the workbench 1 is fixedly connected to the support plate 19, the right side of the second motor 18 is fixedly installed on the upper end of the left side of the support plate 19, the four sides of the bottom of the outer surface of the workbench 1 are fixedly connected to the rubber bearings 2, and the bottom of the two rubber bearings 2 is fixedly connected to the bottom of the bottom plate.

[0028] In the present technical scheme, the purpose of stably supporting the lower end of the rotating rod 16 is achieved by setting the support frame 14, and the rotating rod 16 is prevented from tilting due to the force. The purpose of guiding the fixed frame 7 is achieved by setting the guide rod 9 and the guide plate 8, and the fixed frame 7 is prevented from tilting during the movement. The torsion spring 17 can be used to apply pressure during the rotation of the rotating rod 16 so that the rotating rod 16 can be rotated and reset later. The sliding rod 10 and the limit rod 24 are respectively provided to guide the T-shaped guide rod 11 and the movable plate 22 to prevent the T-shaped guide rod 11 and the movable plate 22 from tilting. The support plate 19 is provided to support and fix the second motor 18. The rubber support 2 and the bottom plate are provided to support the bottom of the workbench 1.

[0029] The working principle of the utility model is as follows: by setting the rotating seat 20, it is convenient to support the protective film coil to be cut, and by starting the first motor 3, the screw 23 can be driven to rotate, and the screw 23 rotates to drive the movable plate 22 and the positioning seat 21 to move to the left, so that the positioning seat 21 can be in close contact with the right side of the protective film coil, thereby achieving the effect of effectively clamping and positioning the protective film coil, avoiding the displacement of the protective film coil during the subsequent edge cutting process, and at the same time, by starting the second motor 18, the rotating seat 20 and the protective film coil can be driven to rotate, and by controlling the extension of the hydraulic cylinder 13, the fixed frame 7, the rotating shaft 5 and the roller 6 can be pushed downward, so that the surface of the roller 6 can contact the two ends of the protective film coil, and the edge of the protective film coil can be effectively cut off, thereby The protective film is effectively trimmed, and when the protective film is trimmed, the fixed frame 7, the rotating shaft 5 and the roller cutter 6 are driven to move upward by controlling the hydraulic cylinder 13 to contract. Under the action of the continuous movement of the fixed frame 7, the bottom of the T-shaped guide rod 11 can be contacted, and the T-shaped guide rod 11 can be pushed to move upward. While the T-shaped guide rod 11 moves, it can push the rotating drum 12 and the rotating rod 16 to rotate along the bearing on the fixed frame 4 through the guide groove 25. The rotation of the rotating rod 16 can drive the protective baffle 15 to rotate until the protective baffle 15 can be directly under the roller cutter 6 during the rotation process, thereby effectively protecting the area around the roller cutter 6 and avoiding injuries caused by accidental contact between the personnel and the roller cutter 6 when replacing the protective film, thereby greatly improving the safety of personnel operation.

[0030] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A protective film trimming device with a positioning structure, comprising a fixing frame (4) and a second motor (18), characterized in that: The output end of the second motor (18) is fixedly mounted with a rotating seat (20), the middle end of the top of the fixed frame (4) is fixedly mounted with a hydraulic cylinder (13), the output end of the hydraulic cylinder (13) is fixedly mounted with a fixed frame (7), the lower end of the fixed frame (7) is movably connected with a rotating shaft (5) through a bearing, both ends of the rotating shaft (5) are fixedly mounted with a roller (6), both ends of the top of the fixed frame (4) are movably connected with a rotating rod (16) through a bearing, the bottom of the rotating rod (16) is fixedly connected with a protective baffle (15), the top of the rotating rod (16) is fixedly connected with a rotating drum (12), and the rotating drum (12) A guide groove (25) is provided on the surface of the workbench (1), a T-shaped guide rod (11) is movably connected between the lower end of the guide groove (25) and the top of the fixed frame (4), the bottom of the fixed frame (4) is fixedly connected to a workbench (1), a first motor (3) is fixedly installed on the upper end of the right side of the outer surface of the workbench (1), a screw rod (23) is fixedly installed on the output end of the first motor (3), the left side of the screw rod (23) is movably connected to the left side of the inner cavity of the workbench (1) through a bearing, the right end of the screw rod (23) is threadedly connected to a movable plate (22), and the upper end of the movable plate (22) is movably connected to a positioning seat (21) through a bearing.

2. The protective film trimming device with a positioning structure according to claim 1, characterized in that: Both ends of the back side of the fixing frame (4) are fixedly connected to a supporting frame (14), and the lower end of the rotating rod (16) is movably connected to the surface of the supporting frame (14) via a bearing.

3. The protective film trimming device with a positioning structure according to claim 1, characterized in that: The upper ends of both sides of the fixing frame (4) are fixedly connected to guide rods (9), and the two sides of the fixing frame (7) are fixedly connected to guide plates (8), and the surfaces of the guide plates (8) are movably connected to the surfaces of the guide rods (9).

4. The protective film trimming device with a positioning structure according to claim 1, characterized in that: The upper end of the rotating rod (16) is fixedly connected to a torsion spring (17), and the top of the torsion spring (17) is fixedly connected to the surface of the fixing frame (4).

5. The protective film trimming device with a positioning structure according to claim 1, characterized in that: Both ends of the top of the outer surface of the fixed frame (4) are fixedly connected to a sliding rod (10), the top of the T-shaped guide rod (11) is movably connected to the surface of the sliding rod (10), the right end of the top of the workbench (1) is fixedly connected to a limiting rod (24), and the middle end of the movable plate (22) is movably connected to the surface of the limiting rod (24).

6. The protective film trimming device with a positioning structure according to claim 1, characterized in that: The left end of the top of the outer surface of the workbench (1) is fixedly connected to a support plate (19), and the right side of the second motor (18) is fixedly mounted on the upper end of the left side of the support plate (19).

7. The protective film trimming device with a positioning structure according to claim 1, characterized in that: The bottom of the outer surface of the workbench (1) is fixedly connected to rubber supports (2) all around, and a bottom plate is fixedly connected between the bottoms of two rubber supports (2).

Citation Information

Patent Citations

  • PE protective film edge cutting device

    CN218226954U