A heat shrink tubing removal mechanism

By designing a heat shrink tubing removal mechanism, which utilizes the cooperation of a gripper cylinder and a clamping plate, the problem of low efficiency in manual heat shrink tubing removal is solved, enabling rapid and non-destructive removal of balloon catheters, thereby improving production efficiency and product quality.

CN224575835UActive Publication Date: 2026-07-31SHANGHAI HAOFENG MEDICAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI HAOFENG MEDICAL TECH CO LTD
Filing Date
2025-08-04
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

In existing technologies, the removal of heat shrink tubing relies on manual operation, which is inefficient and can easily damage the balloon catheter, affecting product quality stability.

Method used

A heat shrink tubing removal mechanism is designed, which utilizes the cooperation of a first gripper cylinder and a second gripper cylinder to achieve rapid clamping and tearing removal of the heat shrink tubing through a clamping plate and groove structure, thereby avoiding damage to the balloon catheter.

Benefits of technology

This technology enables rapid removal of heat shrink tubing, improves production efficiency, ensures the integrity of balloon catheters, and enhances product quality stability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224575835U_ABST
    Figure CN224575835U_ABST
Patent Text Reader

Abstract

This utility model discloses a heat shrink tubing removal mechanism, including a first gripper cylinder connected to two symmetrical connecting plates, which drives the two connecting plates to move; and two second gripper cylinders symmetrically arranged on the two connecting plates, each with a clamping plate on one side, which drives the clamping plate to move. The cooperation of the first gripper cylinder and the two second gripper cylinders enables rapid removal of the heat shrink tubing, improving production efficiency and enabling continuous production.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of medical device manufacturing technology, specifically relating to a heat shrink tubing removal mechanism. Background Technology

[0002] Balloon catheters have wide applications in the medical field, such as coronary angioplasty and gastrostomy replacement. During the manufacturing process of balloon catheters, heat shrink tubing is often used to protect the catheter or assist in its shaping. The heat shrink tubing needs to be removed after certain processes are completed.

[0003] In related technologies, the removal of heat shrink tubing mostly relies on manual operation, which is not only inefficient, but also prone to damage to the balloon catheter due to human factors, affecting the stability of product quality. Utility Model Content

[0004] The purpose of this invention is to propose a heat shrink tubing removal mechanism to solve the problem that heat shrink tubing removal mostly relies on manual operation, which is not only inefficient but also prone to damage to the balloon catheter due to human factors, affecting the stability of product quality.

[0005] Therefore, this utility model provides a heat shrink tubing removal mechanism, comprising:

[0006] A first gripper cylinder is connected to two symmetrical connecting plates, and the first gripper cylinder is used to drive the two connecting plates to move.

[0007] Two second gripper cylinders are symmetrically arranged on the two connecting plates. A clamping plate is provided on one side of each second gripper cylinder, and the second gripper cylinder is used to drive the clamping plate to move.

[0008] Preferably, the directions of the first gripper cylinder and the second gripper cylinder are perpendicular to each other.

[0009] Preferably, two clamping plates are symmetrically arranged, and the clamping plates are fixedly connected to the second gripper cylinder.

[0010] Preferably, the clamp is provided with a groove.

[0011] Preferably, it also includes a platform component, on which a mounting bracket is fixedly mounted, and the first gripper cylinder is fixedly mounted on the mounting bracket.

[0012] Preferably, the platform component includes a mounting plate, a first slider, a first slide rail, and a first linear module. The first slide rail and the first linear module are parallel to each other. The first slider is slidably connected to the first slide rail and the first linear module. The mounting plate is fixedly mounted on the first slider.

[0013] Preferably, there are two first slide rails, which are respectively arranged on both sides of the first linear module.

[0014] Preferably, it also includes a displacement component, and the platform component is fixedly mounted on the displacement component.

[0015] Preferably, the displacement component includes a second slider, a second slide rail, and a second linear module. The second slide rail and the second linear module are parallel to each other. The second slider is slidably connected to the second slide rail and the second linear module. The first slide rail and the first linear module are fixedly mounted on the second slider.

[0016] Preferably, the first linear module and the second linear module are perpendicular to each other.

[0017] Beneficial effects:

[0018] 1. This utility model provides a heat shrink tubing removal mechanism, which achieves rapid removal of heat shrink tubing through the cooperation of a first gripper cylinder and two second gripper cylinders, thereby improving production efficiency and enabling continuous production. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the heat shrink tubing removal mechanism provided by this utility model.

[0021] Figure 2 This is a schematic diagram of the structure of Embodiment 2 of the heat shrink tubing removal mechanism provided by this utility model.

[0022] Figure 3 This is a schematic diagram of the platform assembly and displacement assembly of Embodiment 2 of the heat shrink tubing removal mechanism provided by this utility model.

[0023] In the figure, 1-first gripper cylinder, 2-second gripper cylinder, 3-connecting plate, 4-clamping plate, 41-groove, 5-platform assembly, 51-mounting plate, 52-first slider, 53-first slide rail, 54-first linear module, 6-displacement assembly, 61-second slider, 62-second slide rail, 63-second linear module, 7-mounting bracket. Detailed Implementation

[0024] The following detailed description of preferred embodiments of the present invention, along with the included examples, will make the content of the present invention more readily understood. Unless otherwise specified, 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 invention pertains. In case of any conflict, the definitions in this specification shall prevail.

[0025] Balloon catheters typically require heat shrink tubing for shaping, and this tubing needs to be removed after certain processes. The heat shrink tubing wraps around the outside of the balloon catheter, and incisions are made on both sides in the preceding process to facilitate its removal.

[0026] Example 1:

[0027] Provided such as Figure 1 The heat shrink tubing removal mechanism shown includes: a first gripper cylinder 1 and two second gripper cylinders 2;

[0028] Two connecting plates 3 are fixedly connected to the lower part of the first gripper cylinder 1. The two connecting plates 3 are symmetrically arranged. The first gripper cylinder 1 is used to drive the connecting plates 3 to move. Two second gripper cylinders 2 are symmetrically arranged on the two connecting plates 3 respectively. Two clamping plates 4 are symmetrically arranged on one side of the second gripper cylinder 2. The clamping plates 4 are fixedly connected to the second gripper cylinder 2. The second gripper cylinder 2 is used to drive the clamping plates 4 to move. The directions of the first gripper cylinder 1 and the second gripper cylinder 2 are perpendicular to each other. When the first gripper cylinder 1 closes, it drives the two connecting plates 3 to move in opposite directions, thereby driving the two second gripper cylinders 2 to move in opposite directions. When the second gripper cylinder 2 closes, it drives the two clamping plates 4 to move in opposite directions to clamp the heat shrink tubing. When the first gripper cylinder 1 opens, it drives the connecting plates 3 to move in opposite directions, thereby driving the two second gripper cylinders 2 to move in opposite directions to tear and remove the heat shrink tubing.

[0029] The clamping plate 4 is provided with a groove 41. The groove 41 is used to prevent the clamping plate 4 from damaging the balloon catheter. When the four clamping plates 4 of the two second clamping cylinders 2 are brought together, the groove 41 on the clamping plate 4 forms a circular hole. The diameter of the circular hole is the same as the diameter of the balloon catheter, while the diameter of the heat shrink tubing wrapped around the balloon catheter is larger than the diameter of the circular hole. This can achieve the goal of clamping the heat shrink tubing wrapped around the balloon catheter while preventing the balloon catheter from being damaged when the clamping plate 4 clamps.

[0030] Example 2:

[0031] like Figure 2 As shown, based on Embodiment 1, it also includes platform component 5 and displacement component 6.

[0032] like Figure 3As shown, a mounting bracket 7 is fixedly mounted on the platform assembly 5, and the first gripper cylinder 1 is fixedly mounted on the mounting bracket 7. The platform assembly 5 includes a mounting plate 51, a first slider 52, a first slide rail 53, and a first linear module 54. The first slide rail 53 and the first linear module 54 are parallel to each other. The first slider 52 is slidably connected to the first slide rail 53 and the first linear module 54. The mounting plate 51 is fixedly mounted on the first slider 52. There are two first slide rails 53, which are respectively arranged on both sides of the first linear module 54. The first linear module 54 drives the first slider 52 to move, thereby driving the mounting plate 51 and the first gripper cylinder 1 on the mounting plate 51 to move. The first guide rail is used to guide and maintain the movement accuracy.

[0033] Platform component 5 is fixedly mounted on displacement component 6. Displacement component 6 includes a second slider 61, a second slide rail 62, and a second linear module 63. The second slide rail 62 and the second linear module 63 are parallel to each other. The second slider 61 is slidably connected to the second slide rail 62 and the second linear module 63. The first slide rail 53 and the first linear module 54 are fixedly mounted on the second slider 61. The second linear module 63 drives the second slider 61 to move, thereby driving the platform component 5 to move. The second slide rail 62 is used for guidance and maintaining movement accuracy.

[0034] The first linear module 54 and the second linear module 63 are perpendicular to each other. The cooperation of the first linear module 54 and the second linear module 63 allows the second gripper cylinder 2 to move to any position, facilitating the removal of the heat shrink tubing. The first linear module 54 and the second linear module 63 can be selected as synchronous belt type linear modules, ball screw type linear modules, or linear motor type linear modules. A linear module is a component for controlling and positioning the movement of an object in a straight line. For example, a synchronous belt type linear module achieves linear motion of the load through belt drive, a ball screw type linear module achieves high-precision and high-rigidity linear motion through ball screw drive, and a linear motor type module uses a linear motor to directly drive the load, achieving high-speed and high-precision linear motion.

[0035] Working principle: The cooperation of the first linear module 54 and the second linear module 63 can move the second gripper cylinder 2 to the position of the balloon catheter. The first gripper cylinder 1 closes, which drives the connecting plate 3 to move, thereby driving the two second gripper cylinders 2 to move inward. The second gripper cylinders 2 close, which drives the clamping plate 4 to move and clamp the heat shrink tubing. The first gripper cylinder 1 opens, which drives the connecting plate 3 to move, thereby driving the connecting plate 3 to move outward, thereby tearing and removing the heat shrink tubing.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A heat shrink tube removing mechanism characterized by comprising: include: A first gripper cylinder is connected to two symmetrical connecting plates, and the first gripper cylinder is used to drive the two connecting plates to move. Two second gripper cylinders are symmetrically arranged on the two connecting plates. A clamping plate is provided on one side of each second gripper cylinder, and the second gripper cylinder is used to drive the clamping plate to move.

2. The removal mechanism of claim 1, wherein, The first gripper cylinder and the second gripper cylinder are perpendicular to each other.

3. The removal mechanism of claim 1, wherein, Two clamping plates are symmetrically arranged, and the clamping plates are fixedly connected to the second gripper cylinder.

4. The removal mechanism of claim 3, wherein, The clamp is provided with grooves.

5. The removal mechanism of claim 1, wherein, It also includes a platform component, on which a mounting bracket is fixedly mounted, and the first gripper cylinder is fixedly mounted on the mounting bracket.

6. The removal mechanism of claim 5, wherein, The platform component includes a mounting plate, a first slider, a first slide rail, and a first linear module. The first slide rail and the first linear module are parallel to each other. The first slider is slidably connected to the first slide rail and the first linear module. The mounting plate is fixedly mounted on the first slider.

7. The removal mechanism of claim 6, wherein, There are two first slide rails, which are respectively located on both sides of the first linear module.

8. The removal mechanism of claim 6, wherein, It also includes a displacement component, on which the platform component is fixedly mounted.

9. The removal mechanism of claim 8, wherein, The displacement component includes a second slider, a second slide rail, and a second linear module. The second slide rail and the second linear module are parallel to each other. The second slider is slidably connected to the second slide rail and the second linear module. The first slide rail and the first linear module are fixedly installed on the second slider.

10. The removal mechanism of claim 9, wherein, The first linear module and the second linear module are perpendicular to each other.