Heat shrink tube slitting equipment

Abstract

The utility model discloses a heat shrink tube slitting device which is located on one side of a top plate and provided with a supporting seat on a bottom plate, a vertical driving mechanism is installed on the supporting seat, the movable end of the vertical driving mechanism is connected with the top plate, the top plate is connected with a plurality of connecting seats, and a plurality of annular tool bits are rotatably installed at the bottoms of the connecting seats. The upper surface of the bottom plate is provided with a first mounting base with a first arc-shaped groove formed in the top, second mounting bases with second arc-shaped grooves formed in the top, and a plurality of second mounting bases located on one side of the first mounting base and arranged in the length direction of the bottom plate at intervals. The first arc-shaped groove and the second arc-shaped groove which are used for placing the radiofrequency ablation needle are coaxially arranged, and a first groove which is internally provided with two driving rollers is arranged below the first arc-shaped groove and at the top end of the first mounting seat. Passive cutting of the heat shrink tube is achieved, the situation that the radio frequency ablation needle is damaged due to excessive cutting is avoided, the machining yield can be improved, and unnecessary waste is reduced.

Description

Technical Field

[0001] The utility model relates to a heat shrink tube slitting device, belonging to the technical field of heat shrink tube cutting. Background Art

[0002] Radiofrequency ablation mainly achieves the purpose of treatment by using thermal effect to cause the water inside and outside the cells to evaporate, dry, shrink and fall off, resulting in aseptic necrosis. It mainly uses radiofrequency ablation needles to ablate tumors. Some radiofrequency ablation needles are long and small in diameter, and are easily broken. Therefore, in the prior art, a heat shrink tube is sheathed on the outer wall surface of the radiofrequency needle to improve the toughness and structural strength of the radiofrequency ablation needle. In the actual processing process, the excess heat shrink tubes at both ends of the radiofrequency ablation needle need to be cut off separately, so that the heat shrink tube sheathed on the radiofrequency ablation needle is cut into multiple sections.

[0003] In the prior art, the heat shrink tubing on the surface of the RF ablation needle is generally cut off by rotating the annular cutter head. However, this requires high precision in controlling the distance between the annular cutter head and the RF ablation needle, and excessive cutting often occurs during the processing, resulting in damage to the RF ablation needle. The cutting effect is poor, making it difficult to improve the processing yield and causing a lot of unnecessary waste. Utility Model Content

[0004] The utility model aims to provide a heat shrink tube cutting device, which realizes passive cutting of the heat shrink tube, avoids damage to the radio frequency ablation needle caused by excessive cutting, is conducive to improving the processing yield and reducing unnecessary waste.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a heat shrink tube cutting device, used for cutting the heat shrink tube sleeved on the outer wall of the radiofrequency ablation needle, comprising: a bottom plate, a top plate arranged above the bottom plate, a support seat located on one side of the top plate and arranged on the bottom plate, a vertical driving mechanism is installed on the support seat, and the movable end of the vertical driving mechanism is connected to the top plate, a plurality of connecting seats are installed on the lower surface of the top plate, and a plurality of annular cutter heads are rotatably installed at the bottom of the connecting seat;

[0006] The upper surface of the base plate is provided with a first mounting seat with a first arc-shaped groove on the top and a second mounting seat with a second arc-shaped groove on the top. A plurality of second mounting seats are arranged on one side of the first mounting seat and spaced apart along the length direction of the base plate. The first arc-shaped groove and the second arc-shaped groove for placing the radio frequency ablation needle are arranged in a coaxial manner. A first groove with two active rollers installed inside is provided below the first arc-shaped groove and at the top of the first mounting seat.

[0007] The further improved scheme in the above technical scheme is as follows:

[0008] 1. In the above scheme, a plurality of support columns are arranged between the top plate and the bottom plate, and a plurality of guide rods slidably connected to the support columns are arranged at the bottom of the top plate.

[0009] 2. In the above solution, guide rods are provided at each corner of the top plate.

[0010] 3. In the above solution, the bottom of the support column is installed on the upper surface of the base plate, and the top of the support column is installed with a sleeve that cooperates with the guide rod.

[0011] 4. In the above solution, a connecting plate is provided between the movable end of the vertical driving mechanism and the top plate.

[0012] 5. In the above solution, the annular cutter head is mounted on a cutter holder, and the cutter holder is rotatably connected to the connecting seat via a rotating shaft.

[0013] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0014] The utility model discloses a heat shrink tube slitting device, wherein the upper surface of the base plate is provided with a first mounting seat with a first arc groove on the top and a second mounting seat with a second arc groove on the top, a plurality of second mounting seats are arranged at one side of the first mounting seat and spaced apart along the length direction of the base plate, the first arc groove and the second arc groove for placing a radio frequency ablation needle are arranged in a coaxial manner, a first groove with two active rollers installed inside is arranged below the first arc groove and at the top of the first mounting seat, the radio frequency ablation needle is placed on the coaxially arranged first arc groove and the second arc groove, and the top plate is driven down by a vertical driving mechanism, so that the annular cutter head is pressed on the heat shrink tube on the outer wall of the radio frequency ablation needle, and the radio frequency ablation needle is driven to rotate by the active roller, so that the heat shrink tube is passively cut, thereby avoiding the situation where the radio frequency ablation needle is damaged due to excessive cutting, which is beneficial to improving the processing yield and reducing unnecessary waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Attached Figure 1 It is a schematic diagram of the overall structure of the heat shrink tube cutting equipment of the utility model;

[0016] Attached Figure 2 For the utility model Figure 1 A magnified schematic diagram of point A;

[0017] Attached Figure 3 It is a partial structural schematic diagram of the heat shrink tube cutting device of the utility model;

[0018] Attached Figure 4 For the utility model Figure 3 An enlarged schematic diagram of point B;

[0019] Attached Figure 5 It is a schematic diagram of the partial structural section of the heat shrink tube slitting equipment of the utility model.

[0020] In the above drawings: 100, radiofrequency ablation needle; 200, heat shrink tube; 1, bottom plate; 2, top plate; 3, support seat; 4, vertical drive mechanism; 5, support column; 6, guide rod; 7, sleeve; 8, second mounting seat; 9, second arc groove; 10, annular cutter head; 11, connecting seat; 12, first mounting seat; 121, groove; 15, connecting plate; 16, first arc groove; 17, first groove; 18, active roller; 19, cutter holder; 20, rotating shaft; 21, motor. DETAILED DESCRIPTION

[0021] The present invention can be further understood through the specific embodiments given below, but they are not intended to limit the present invention.

[0022] Embodiment 1: A heat shrink tube cutting device, used for cutting a heat shrink tube 200 sleeved on the outer wall of a radiofrequency ablation needle 100, comprising: a bottom plate 1, a top plate 2 arranged above the bottom plate 1, a support seat 3 located on one side of the top plate 2 and arranged on the bottom plate 1, a vertical driving mechanism 4 is installed on the support seat 3, and the movable end of the vertical driving mechanism 4 is connected to the top plate 2, a plurality of connecting seats 11 are installed on the lower surface of the top plate 2, and a plurality of annular cutter heads 10 are rotatably installed at the bottom of the connecting seat 11;

[0023] The radiofrequency ablation needle with a heat shrink tube on the outer wall is placed on the first mounting seat and the second mounting seat, and the radiofrequency ablation needle is located inside the first arc groove of the first mounting seat and the second arc groove of the second mounting seat, and the vertical driving mechanism is controlled to drive the top plate to move downward, so that the annular blade head on the connecting seat is pressed on the radiofrequency ablation needle, and the radiofrequency ablation needle is fixed by the blade head, the active roller and the driven roller, and at the same time, the radiofrequency ablation needle with the heat shrink tube is driven to rotate by the active roller, and the radiofrequency ablation needle and the heat shrink tube drive the two driven rollers to rotate during the rotation process, and the annular blade head pressed on the radiofrequency ablation needle cuts off the heat shrink tube on the surface of the radiofrequency ablation needle, thereby removing the excess heat shrink tube;

[0024] The upper surface of the base plate 1 is provided with a first mounting seat 12 with a first arc groove 16 on the top and a second mounting seat 8 with a second arc groove 9 on the top. A plurality of second mounting seats 8 are arranged at one side of the first mounting seat 12 and spaced apart along the length direction of the base plate 1. The first arc groove 16 and the second arc groove 9 for placing the radio frequency ablation needle 100 are arranged in a coaxial manner. A first groove 17 with two active rollers 18 installed therein is provided below the first arc groove 16 and at the top of the first mounting seat 12.

[0025] A plurality of support columns 5 are disposed between the top plate 2 and the bottom plate 1 , and a plurality of guide rods 6 slidably connected to the support columns 5 are disposed at the bottom of the top plate 2 ; guide rods 6 are disposed at each corner of the top plate 2 .

[0026] The bottom of the support column 5 is mounted on the upper surface of the base plate 1 , and the top of the support column 5 is mounted with a sleeve 7 that matches the guide rod 6 .

[0027] The annular cutter head 10 is mounted on a cutter holder 19 , and the cutter holder 19 is rotatably connected to the connecting seat 11 via a rotating shaft 20 .

[0028] A motor 21 for driving the active roller 18 to rotate is disposed on the side wall of the first mounting seat 12 .

[0029] Embodiment 2: A heat shrink tube cutting device, used for cutting a heat shrink tube 200 sleeved on the outer wall of a radiofrequency ablation needle 100, comprising: a bottom plate 1, a top plate 2 arranged above the bottom plate 1, a support seat 3 located on one side of the top plate 2 and arranged on the bottom plate 1, a vertical driving mechanism 4 is installed on the support seat 3, and the movable end of the vertical driving mechanism 4 is connected to the top plate 2, a plurality of connecting seats 11 are installed on the lower surface of the top plate 2, and a plurality of annular cutter heads 10 are rotatably installed at the bottom of the connecting seat 11;

[0030] The upper surface of the base plate 1 is provided with a first mounting seat 12 with a first arc groove 16 on the top and a second mounting seat 8 with a second arc groove 9 on the top. A plurality of second mounting seats 8 are arranged at one side of the first mounting seat 12 and spaced apart along the length direction of the base plate 1. The first arc groove 16 and the second arc groove 9 for placing the radio frequency ablation needle 100 are arranged in a coaxial manner. A first groove 17 with two active rollers 18 installed therein is provided below the first arc groove 16 and at the top of the first mounting seat 12.

[0031] A plurality of support columns 5 are disposed between the top plate 2 and the bottom plate 1 , and a plurality of guide rods 6 slidably connected to the support columns 5 are disposed at the bottom of the top plate 2 .

[0032] The bottom of the support column 5 is mounted on the upper surface of the base plate 1 , and the top of the support column 5 is mounted with a sleeve 7 that matches the guide rod 6 .

[0033] A connecting plate 15 is provided between the movable end of the vertical driving mechanism 4 and the top plate 2 .

[0034] A motor 21 for driving the active roller 18 to rotate is disposed on the side wall of the first mounting seat 12 .

[0035] The working principle is: by placing the radiofrequency ablation needle with a heat shrink tube on the outer wall on the first mounting seat and the second mounting seat, and the radiofrequency ablation needle is located inside the first arc groove of the first mounting seat and the second arc groove of the second mounting seat, the vertical driving mechanism is controlled to drive the top plate to move downward, so that the annular blade head on the connecting seat is pressed on the radiofrequency ablation needle, and the radiofrequency ablation needle is fixed by the blade head, the active roller and the driven roller, and at the same time, the radiofrequency ablation needle with a heat shrink tube is driven to rotate by the active roller. During the rotation, the radiofrequency ablation needle and the heat shrink tube drive the two driven rollers to rotate, and the annular blade head pressed on the radiofrequency ablation needle cuts off the heat shrink tube on the surface of the radiofrequency ablation needle, thereby removing excess heat shrink tube.

[0036] When the above-mentioned heat shrink tube cutting equipment is used, the radio frequency ablation needle is placed on the coaxially arranged first arc groove and the second arc groove, and the top plate is driven down by the vertical driving mechanism, so that the annular blade head is pressed on the heat shrink tube on the outer wall of the radio frequency ablation needle. At the same time, the radio frequency ablation needle is driven to rotate by the active roller, so that the heat shrink tube is passively cut, avoiding damage to the radio frequency ablation needle caused by excessive cutting, which is beneficial to improving the processing yield and reducing unnecessary waste.

[0037] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable people familiar with the technology to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A heat shrink tube cutting device, used for cutting a heat shrink tube (200) sleeved on the outer wall of a radiofrequency ablation needle (100), comprising: A bottom plate (1), and a top plate (2) arranged above the bottom plate (1), characterized in that: a support seat (3) is arranged on one side of the top plate (2) and on the bottom plate (1), a vertical drive mechanism (4) is installed on the support seat (3), and the movable end of the vertical drive mechanism (4) is connected to the top plate (2), a plurality of connecting seats (11) are installed on the lower surface of the top plate (2), and a plurality of annular cutter heads (10) are rotatably installed at the bottom of the connecting seat (11); The upper surface of the base plate (1) is provided with a first mounting seat (12) with a first arc-shaped groove (16) on the top, and a second mounting seat (8) with a second arc-shaped groove (9) on the top. A plurality of second mounting seats (8) are arranged at intervals on one side of the first mounting seat (12) and along the length direction of the base plate (1). The first arc-shaped groove (16) and the second arc-shaped groove (9) for placing the radiofrequency ablation needle (100) are arranged in a coaxial manner. A first groove (17) with two active rollers (18) installed therein is provided below the first arc-shaped groove (16) and at the top of the first mounting seat (12).

2. The heat shrink tube slitting device according to claim 1, characterized in that: A plurality of support columns (5) are arranged between the top plate (2) and the bottom plate (1), and a plurality of guide rods (6) slidably connected to the support columns (5) are arranged at the bottom of the top plate (2).

3. The heat shrink tube slitting device according to claim 2, characterized in that: Each corner of the top plate (2) is provided with a guide rod (6).

4. The heat shrink tube slitting device according to claim 2, characterized in that: The bottom of the support column (5) is mounted on the upper surface of the base plate (1), and the top of the support column (5) is mounted with a sleeve (7) that matches the guide rod (6).

5. The heat shrink tube slitting device according to claim 1, characterized in that: A connecting plate (15) is provided between the movable end of the vertical driving mechanism (4) and the top plate (2).

6. The heat shrink tube slitting device according to claim 1, characterized in that: The annular cutter head (10) is mounted on a cutter holder (19), and the cutter holder (19) is rotatably connected to the connecting seat (11) via a rotating shaft (20).

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