Auxiliary cutting device for multi-layer pipe

By designing a multi-layer pipe auxiliary cutting device, and using the pipe material feed mechanism and cutting knife for automatic cutting, the problems of low efficiency and poor accuracy of the traditional cutting method are solved, and an efficient and accurate cutting process is achieved.

CN223044652UActive Publication Date: 2025-07-01TEKNI-PLEX HEALTHCARE & SPECIALTY PACKAGING (SUZHOU) CO LTD
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Patent Information

Application Number
CN202421911351.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-07-01
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

The traditional multi-layer pipe cutting method is inefficient, dependent on workers' operating proficiency, and is prone to bending and deforming the cutting surface, affecting the measurement accuracy.

Method used

A multi-layer tube auxiliary cutting device is designed, including a base, a positioning block, a guide hole, a first cutter, a pipe material feed mechanism, a blade positioning seat, a handle, a second cutter and a protective cover. The pipe material is guided to the first cutting tool through the pipe material feed mechanism for cutting, and then the second cutting tool is pushed by the handle to cut.

Benefits of technology

Automatic cutting is achieved, efficiency is improved, and the worker's operation proficiency is not dependent on, the cutting surface is bending and deformation is avoided, and the measurement accuracy is ensured.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223044652U_ABST
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Abstract

The utility model belongs to the technical field of guide pipe production and processing, and relates to a multi-layer pipe auxiliary cutting device which comprises a base, a positioning block arranged on the base, a guide hole formed in the positioning block and used for a multi-layer pipe to penetrate through, and a first cutter arranged in the axial direction of the guide hole is arranged at the bottom in the guide hole. A positioning block is arranged on the base, a pipe feeding mechanism is arranged on one side of the positioning block, a blade positioning seat is arranged on the base, a handle is rotatably connected to the blade positioning seat through a pin shaft, a second cutter is arranged on the handle, a protective cover is connected to the outer side of the second cutter, and an arc-shaped receding notch is formed in the bottom of the protective cover. The device is easy to operate and does not depend on the operation proficiency of workers, the two arc-shaped clamping blocks can clamp a pipe in the feeding process, and therefore the situation that the pipe deflects in the sectioning process, and consequently the section is uneven is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of catheter production and processing, in particular to a multi-layer tube auxiliary cutting device. Background Art

[0002] In the plastic pipe extrusion industry, as the application requirements become more diversified, the types of multi-layer pipes are also increasing. Different multi-layer pipes are made of different materials and have different sizes, which leads to different precision requirements for the measuring surface during measurement. The pipe needs to be cut before measurement. The traditional cutting method is manual cutting with a knife or scissors. This method is inefficient and requires high proficiency of workers. It will cause the pipe cutting surface to bend and deform, thus affecting the measurement accuracy of different layers. Therefore, the utility model proposes a multi-layer pipe auxiliary cutting device. Utility Model Content

[0003] The utility model achieves the above-mentioned purpose through the following technical scheme: a multi-layer tube auxiliary cutting device, including a base, a positioning block arranged on the base, a guide hole arranged on the positioning block for the multi-layer tube to pass through, a first cutter arranged along its axial direction is provided at the bottom of the guide hole, a tube material feeding mechanism is provided on one side of the positioning block, a blade positioning seat is provided on the base, a handle is rotatably connected to the blade positioning seat through a pin shaft, a second cutter is provided on the handle, a protective cover is connected to the outer side of the second cutter, and an arc-shaped avoidance notch is provided at the bottom of the protective cover.

[0004] Preferably, the tube material feeding mechanism comprises a fixed block arranged in line with the positioning block, the fixed block is provided with a through hole coaxial with the guide hole, a U-shaped block with an opening facing downwards can be slidably connected between the fixed block and the positioning block via a slide rail, the U-shaped block is provided with an inner cavity, and two vertical parts of the U-shaped block are slidably connected with a movable rod via a slide rail, one end of the movable rod penetrates the side wall of the inner cavity, extends into the inner side of the U-shaped block and is connected with an arc-shaped clamping block, the other end of the movable rod is fixed with an inclined plate, the movable rod is sleeved with a first spring, and the first The two ends of the spring are respectively connected to the inclined plate and the inner wall of the inner cavity, the first spring is in a compressed state, the upper end surface of the U-shaped block is provided with a vertical rod, the top end of the vertical rod is fixed with a pressing plate, the bottom end of the vertical rod movably penetrates into the inner cavity, the bottom end of the vertical rod is fixed with a U-shaped rod with an opening facing downward, the two ends of the U-shaped rod are connected with balls and rest on the upper inclined surface of the inclined plate, a second spring is sleeved on the vertical rod, the two ends of the second spring are respectively connected to a pair of opposite surfaces of the pressing plate and the U-shaped block, and the second spring is in a compressed state.

[0005] Preferably, the inner curved surface of the arc-shaped clamping block is connected with an anti-slip pad.

[0006] Preferably, a cutting support seat is provided on the base, and the cutting support seat is located below the second cutting knife.

[0007] The beneficial effects of the technical solution of the utility model are: the device is easy to operate and does not rely on the operator's operating proficiency. The two arc-shaped clamping blocks can clamp the pipe material during the feeding process, thereby preventing the pipe material from deflecting during cutting, thereby causing an uneven section. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 FIG. 1 is a layout diagram of the multi-layer tube auxiliary cutting device of the embodiment when it is working.

[0009] Figure 2 It is a schematic diagram of the U-shaped block structure.

[0010] Figure 3 It is a schematic diagram of the positioning block structure.

[0011] Figure 4 Schematic diagram of the second cutter structure.

[0012] The numbers in the figure represent:

[0013] 1. Base; 2. Positioning block; 3. Guide hole; 4. First cutter; 5. Handle; 6. Second cutter; 7. Protective cover; 8. Arc-shaped avoidance gap; 9. Fixed block; 10. U-shaped block; 11. Movable rod; 12. Arc-shaped clamping block; 13. Inclined plate; 14. First spring; 15. Vertical rod; 16. Pressing plate; 17. U-shaped rod; 18. Second spring; 19. Cutting support seat. DETAILED DESCRIPTION

[0014] In order to solve the problems raised in the above background technology, the utility model proposes a multi-layer tube auxiliary cutting device, which feeds the tube material to the first cutter for cutting through the tube material feeding mechanism, and then pushes it to the second cutter for cutting, thereby avoiding uneven cut surface caused by arm shaking during manual cutting.

[0015] like Figures 1 to 4 As shown, a multi-layer tube auxiliary cutting device of the utility model comprises a base 1, a positioning block 2 arranged on the base 1, a guide hole 3 arranged on the positioning block 2 for the multi-layer tube to pass through, a first cutter 4 arranged along its axial direction is provided at the bottom of the guide hole 3, a tube feeding mechanism is provided on one side of the positioning block 2, a blade positioning seat is provided on the base 1, a handle 5 is rotatably connected to the blade positioning seat through a pin shaft, a second cutter 6 is provided on the handle 5, a protective cover 7 is connected to the outer side of the second cutter 6, and an arc-shaped avoidance notch 8 is provided at the bottom of the protective cover 7.

[0016] The pipe material feeding mechanism includes a fixed block 9 arranged in line with the positioning block 2, and the fixed block 9 is provided with a through hole coaxial with the guide hole 3. A U-shaped block 10 with an opening facing downward can be slidably connected between the fixed block 9 and the positioning block 2 through a slide rail. The U-shaped block 10 is provided with an inner cavity, and a movable rod 11 is slidably connected to the two vertical parts of the U-shaped block 10 through the slide rail. One end of the movable rod 11 penetrates the side wall of the inner cavity and extends into the inner side of the U-shaped block 10 and is connected to an arc-shaped clamping block 12. The other end of the movable rod 11 is fixed with an inclined plate 13. A first spring 14 is sleeved on the movable rod 11, and the two ends of the first spring 14 are connected to the inner wall of the inner cavity. The ends are respectively connected to the inclined plate 13 and the inner wall of the inner cavity, the first spring 14 is in a compressed state, the upper end surface of the U-shaped block 10 is provided with a vertical rod 15, the top of the vertical rod 15 is fixed with a pressing plate 16, the bottom end of the vertical rod 15 movably penetrates into the inner cavity, the bottom end of the vertical rod 15 is fixed with a U-shaped rod 17 with an opening facing downward, the two ends of the U-shaped rod 17 are connected with balls and rest on the upper inclined surface of the inclined plate 13, the vertical rod 15 is sleeved with a second spring 18, the two ends of the second spring 18 are respectively connected to a pair of opposite surfaces of the pressing plate 16 and the U-shaped block 10, and the second spring 18 is in a compressed state.

[0017] The inner arc surface of the arc-shaped clamping block 12 is connected with an anti-slip pad.

[0018] A cutting support seat 19 is provided on the base 1. The cutting support seat 19 is located below the second cutter 6 and is made of rubber to prevent the blade of the second cutter 6 from breaking and extend its service life.

[0019] The working process of the present application is as follows: the pipe to be cut is passed through the feeding mechanism and enters the guide hole 3, the U-shaped block 10 is pushed to the leftmost end, the pressing plate 16 is pressed downward, and the U-shaped rod 17 is driven downward, and the U-shaped rod 17 drives the movable rod 11 to slide toward the inside of the U-shaped block 10 through the inclined plate 13, so that the two arc-shaped clamping blocks 12 clamp the pipe material, push the U-shaped block 10 to the right, and then drive the pipe material to slide to the right. After the U-shaped block 10 is pushed to the rightmost end, the pressing plate 16 is released, and the U-shaped block 10 is pushed to reset. The above actions are repeated to realize the feeding of the pipe material. The pipe material is cut by the first cutting knife 4. When the pipe material is fed to the required length, the feeding is stopped, the handle 5 is pressed down, and the pipe material is cut by the second cutting knife 6 to obtain a sheet-like pipe material. The device is easy to operate and does not rely on the operator's proficiency. The two arc-shaped clamping blocks 12 can clamp the pipe material during the feeding process, thereby preventing the pipe material from deflecting during cutting, thereby causing an uneven cut surface.

[0020] The above are only some embodiments of the present utility model. For those of ordinary skill in the art, without departing from the inventive concept of the present utility model, several modifications and improvements can still be made, and these all belong to the protection scope of the present utility model.

Claims

1. A multi-layer tube auxiliary cutting device, characterized in that: It includes a base, a positioning block arranged on the base, a guide hole arranged on the positioning block for the multi-layer tube to pass through, a first cutter arranged along its axial direction is provided at the bottom of the guide hole, a tube feeding mechanism is provided on one side of the positioning block, a blade positioning seat is provided on the base, a handle is rotatably connected to the blade positioning seat through a pin shaft, a second cutter is provided on the handle, a protective cover is connected to the outer side of the second cutter, and an arc-shaped avoidance notch is provided at the bottom of the protective cover.

2. The multi-layer tube auxiliary cutting device according to claim 1, characterized in that: The tube material feeding mechanism comprises a fixed block arranged in line with the positioning block, the fixed block is provided with a through hole coaxial with the guide hole, a U-shaped block with an opening facing downward can be slidably connected between the fixed block and the positioning block via a slide rail, the U-shaped block is provided with an inner cavity, and a movable rod is slidably connected in two vertical parts of the U-shaped block via a slide rail, one end of the movable rod penetrates the side wall of the inner cavity, extends into the inner side of the U-shaped block and is connected to an arc-shaped clamping block, an inclined plate is fixed to the other end of the movable rod, a first spring is sleeved on the movable rod, and the first spring The two ends are respectively connected to the inclined plate and the inner wall of the inner cavity, the first spring is in a compressed state, the upper end surface of the U-shaped block is provided with a vertical rod, the top of the vertical rod is fixed with a pressing plate, the bottom end of the vertical rod movably penetrates into the inner cavity, and the bottom end of the vertical rod is fixed with a U-shaped rod with an opening facing downward, the two ends of the U-shaped rod are connected with balls and rest on the upper inclined surface of the inclined plate, a second spring is sleeved on the vertical rod, the two ends of the second spring are respectively connected to a pair of opposite surfaces of the pressing plate and the U-shaped block, and the second spring is in a compressed state.

3. The multi-layer tube auxiliary cutting device according to claim 2, characterized in that: The inner arc surface of the arc-shaped clamping block is connected with an anti-skid pad.

4. The multi-layer tube auxiliary cutting device according to claim 1, characterized in that: A cutting support seat is provided on the base, and the cutting support seat is located below the second cutting knife.