Spring contact finger welding tool for positioning intravascular stent

Abstract

The utility model relates to the technical field of spring contact fingers, in particular to a spring contact finger welding tool for intravascular stent positioning, which comprises a bottom plate connected onto a worktable through bolts, a mounting plate is vertically arranged at the rear end of the bottom plate, and a rectangular positioning plate is mounted in the center of the front end of the mounting plate. A lower positioning assembly is longitudinally and slidably connected to the lower side of the front end of the mounting plate, a pair of positioning assemblies acting on the two sides of the rectangular positioning plate respectively is mounted on the left side and the right side of the front end of the mounting plate, and an upper positioning assembly acting on the top end of the rectangular positioning plate is mounted on the upper side of the front end of the mounting plate. The spring contact finger welding device has the advantages that the spring contact finger is wound on the outer side of the rectangular positioning plate, the two ends of the spring contact finger are arranged on the welding platform, and the lower end, the two ends and the tail end of the spring contact finger are clamped through the lower positioning assembly, the pair of positioning assemblies and the upper positioning assembly respectively, so that the spring contact finger is welded conveniently; and the welding quality of the spring contact finger and the safety of operators are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of spring fingers, in particular to a spring finger welding tooling for positioning a vascular stent. Background Art

[0002] A vascular stent refers to a device that, on the basis of balloon angioplasty of a lumen, places an internal stent in a diseased segment to support the stenosed or occluded blood vessel, reduce the elastic recoil and reshaping of the blood vessel, and keep the lumen blood flow unobstructed. Some internal stents also have the function of preventing restenosis. They are mainly divided into coronary stents, cerebrovascular stents, renal artery stents, aortic stents, etc. Spring fingers are required for positioning vascular stents.

[0003] A spring finger is formed by bending a helical spring into a circular shape and then welding the head and tail. Specifically, in the operation process, an operator manually bends the spring finger into a circular shape and aligns the head and tail ends for shaping, and another operator welds and fixes the head and tail ends. In this process, the manual shaping operation method has large errors, resulting in the inability to guarantee the quality of the welded product, and there is also a safety hazard of accidentally injuring the shaping operator. Content of the Utility Model

[0004] I. Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is that when the existing spring fingers are welded, an operator needs to bend the spring fingers into a circular shape and then weld and fix the head and tail ends. The welding quality is poor, and the welding process is prone to accidentally injuring people.

[0006] II. Technical Solution

[0007] To solve the above technical problems, the technical solution provided by the utility model is: a spring finger welding tooling for positioning a vascular stent, including a bottom plate connected to a workbench by bolts. A mounting plate is vertically arranged at the rear end of the bottom plate. A rectangular positioning plate is installed at the center of the front end of the mounting plate. A lower positioning component is longitudinally slidably connected to the lower side of the front end of the mounting plate. A pair of positioning components respectively acting on both sides of the rectangular positioning plate are installed on the left and right sides of the front end of the mounting plate. An upper positioning component acting on the top end of the rectangular positioning plate is installed on the upper side of the front end of the mounting plate.

[0008] Further, the lower positioning component includes a concave plate. A groove is provided at the upper end of the concave plate. A positioning plate one is slidably connected to the groove. A threaded rod one is vertically threadedly connected to one side plate of the concave plate. One end of the threaded rod one is connected to the positioning plate one by a bearing. The other end of the threaded rod one is fixed with a knob. Arc-shaped grooves one and two that penetrate left and right are respectively provided on the opposite surfaces of the positioning plate one and the other side plate of the concave plate.

[0009] Further, at least a pair of longitudinal chutes are provided at the lower end of the mounting plate, and a number of positioning bolts are threadedly connected to the end of the concave plate and inserted into and slidably connected with the longitudinal chutes.

[0010] Further, the positioning assembly includes a support plate vertically mounted at the front end of the mounting plate. A second threaded rod is horizontally threadedly connected to the support plate. One inner end of the second threaded rod is connected by a bearing to a second positioning plate slidably connected to the mounting plate, and a second knob is fixed to the other end of the second threaded rod.

[0011] Further, arc-shaped grooves three and four penetrating up and down are respectively provided on the opposite surfaces of the second positioning plate and the rectangular positioning plate.

[0012] Further, the upper positioning assembly includes a second support plate vertically mounted at the front end of the mounting plate. A third threaded rod is longitudinally threadedly connected to the second support plate. The lower end of the third threaded rod is threadedly connected to a third positioning plate slidably connected to the mounting plate. A pair of auxiliary plates are symmetrically fixed to the left and right at the lower end of the third positioning plate, and a third knob is fixed to the upper end of the third threaded rod.

[0013] Further, arc-shaped grooves five and one are respectively provided on the opposite surfaces of the auxiliary plate and the rectangular positioning plate, and a welding platform covering the arc-shaped groove is provided in the middle of the upper end of the rectangular positioning plate.

[0014] III. Beneficial Effects

[0015] The advantages of the present utility model compared with the prior art are as follows:

[0016] 1. The spring finger is wound around the outside of the rectangular positioning plate and both ends are placed on the welding platform. The lower positioning assembly, a pair of positioning assemblies, and the upper positioning assembly are respectively used to clamp the lower end, both ends, and the end of the spring finger, which is convenient for welding the spring finger and ensures the welding quality of the spring finger and the safety of the operator.

[0017] 2. The lower positioning assembly is longitudinally slidably connected to the longitudinal chute of the mounting plate through a number of positioning bolts, and is suitable for clamping spring fingers of different specifications, with strong adaptability. Description of the Drawings

[0018] Figure 1 is the overall structure diagram of the present utility model.

[0019] Figure 2 is the structure diagram of the lower positioning assembly of the present utility model.

[0020] Figure 3 is the structure diagram of the positioning assembly of the present utility model.

[0021] Figure 4 is the structure diagram of the upper positioning assembly of the present utility model.

[0022] As shown in the figure: 1. Bottom plate; 2. Mounting plate; 201. Longitudinal sliding groove; 3. Rectangular positioning plate; 301. Arc groove four; 302. Arc groove; 303. Welding platform; 4. Lower positioning component; 5. Positioning component; 6. Upper positioning component; 7. Concave plate; 701. Groove; 702. Arc groove two; 8. Positioning plate one; 801. Arc groove one; 9. First threaded rod; 10. Knob; 11. Positioning bolt; 12. Support plate; 13. Second threaded rod; 14. Positioning plate two; 1401. Arc groove three; 15. Second knob; 16. Second support plate; 17. Third threaded rod; 18. Positioning plate three; 19. Auxiliary plate; 1901. Arc groove five; 20. Third knob. Detailed implementation manners

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0024] Embodiment 1

[0025] Combined with the attached Figure 1 , a spring finger welding tooling for vascular stent positioning, includes a bottom plate 1 connected to the workbench by bolts, a mounting plate 2 is vertically provided at the rear end of the bottom plate 1, a rectangular positioning plate 3 is installed at the center of the front end of the mounting plate 2, a lower positioning component 4 is longitudinally slidably connected to the lower side of the front end of the mounting plate 2, a pair of positioning components 5 respectively acting on both sides of the rectangular positioning plate 3 are installed on the left and right sides of the front end of the mounting plate 2, and an upper positioning component 6 acting on the top end of the rectangular positioning plate 3 is installed on the upper side of the front end of the mounting plate 2.

[0026] Combined with the attached Figure 2 , the lower positioning component 4 includes a concave plate 7, a groove 701 is provided at the upper end of the concave plate 7, a positioning plate one 8 is slidably connected to the groove 701, a first threaded rod 9 is vertically and threadedly connected to one side plate of the concave plate 7, one end of the first threaded rod 9 is connected to the positioning plate one 8 by a bearing, the other end of the first threaded rod 9 is fixed with a knob 10, and arc grooves one 801 and arc grooves two 702 penetrating left and right are respectively provided on the opposite surfaces of the positioning plate one 8 and the other side plate of the concave plate 7.

[0027] Combined with the above structure, when the lower positioning component 4 is used, the middle part of the spring finger is placed between the positioning plate one 8 and the concave plate 7, and the knob 10 is rotated to make the first threaded rod 9 rotate, so that the first threaded rod 9 drives the positioning plate one 8 to move back and forth, and the arc grooves one 801 and arc grooves two 702 cooperate to clamp the middle part of the spring finger.

[0028] Combined with the attached Figure 2 、attachedFigure 3 At the lower end of the mounting plate 2, there are at least a pair of longitudinal chutes 201, and a number of positioning bolts 11 that are threadedly connected to the end of the concave plate 7 and inserted into and slidably connected to the longitudinal chutes 201.

[0029] Combined with the above structure, the lower positioning assembly 4 longitudinally slides on the longitudinal chutes 201 through at least one threadedly connected positioning bolt 11, facilitating the adjustment of the height of the spring fingers it clamps.

[0030] Combined with the attached Figure 3 and the attached Figure 4 The positioning assembly 5 includes a support plate 12 vertically mounted at the front end of the mounting plate 2. A second threaded rod 13 is horizontally threadedly connected to the support plate 12. One inner end of the second threaded rod 13 is connected by a bearing to a second positioning plate 14 that is slidably connected to the mounting plate 2. A second knob 15 is fixed to the other end of the second threaded rod 13. Opposite faces of the second positioning plate 14 and the rectangular positioning plate 3 are respectively provided with an upper and lower through-arc groove three 1401 and an arc groove four 301.

[0031] Combined with the above structure, when the positioning assembly 5 is in use, the two ends of the spring fingers after being clamped by the lower positioning assembly 4 are respectively placed between the rectangular positioning plate 3 and the second positioning plate 14. Rotate the second knob 15 to make the second threaded rod 13 rotate and drive the second positioning plate 14 to move horizontally, so that the arc groove three 1401 and the arc groove four 301 cooperate to clamp the spring fingers.

[0032] Combined with the attached Figure 3 and the attached Figure 4 The upper positioning assembly 6 includes a second support plate 16 vertically mounted at the front end of the mounting plate 2. A third threaded rod 17 is longitudinally threadedly connected to the second support plate 16. The lower end of the third threaded rod 17 is threadedly connected to a third positioning plate 18 that is slidably connected to the mounting plate 2. A pair of auxiliary plates 19 are symmetrically fixed to the lower end of the third positioning plate 18 on the left and right. A third knob 20 is fixed to the upper end of the third threaded rod 17. Opposite faces of the auxiliary plates 19 and the rectangular positioning plate 3 are respectively provided with an arc groove five 1901 and an arc groove 302.

[0033] Combined with the above structure, when the upper positioning assembly 6 is in use, after the two ends of the spring fingers are clamped by a pair of positioning assemblies 5 in cooperation with the rectangular positioning plate 3, the two ends of the spring fingers are respectively placed between a pair of auxiliary plates 19 and the rectangular positioning plate 3. Rotate the third knob 20 to make the third threaded rod 17 rotate, so that the third threaded rod 17 drives the third positioning plate 18 and a pair of auxiliary plates 19 to move up and down, and the arc groove five 1901 and the arc groove 302 cooperate to clamp the ends of the spring fingers.

[0034] Combined with the attached Figure 3A welding platform 303 covering the arc groove 302 is provided in the middle of the upper end of the rectangular positioning plate 3, and the ends of both ends of the spring contact fingers are placed on the welding platform 303 and contact each other for easy welding.

[0035] The specific usage is as follows:

[0036] The middle part of the spring contact finger is placed between the positioning plate 1 8 and the concave plate 7 on the lower positioning component 4, and the positioning plate 1 8 is driven to move by the lower positioning component 4 and the spring contact finger is clamped in cooperation with the concave plate 7; the two ends of the spring contact finger are respectively placed on the left and right sides of the rectangular positioning plate 3 and the positioning plate 2 14 is driven to move by a pair of positioning components 5 for clamping; the two ends of the spring contact finger are placed on the welding platform 303 between a pair of auxiliary plates 19 and the rectangular positioning plate 3, and the pair of auxiliary plates 19 are driven down by the upper positioning component 6 for clamping, and the two ends of the spring contact finger are moved to contact and then welded, which is easy to use, ensures the quality of the spring contact finger welding and the safety of the operator, and is convenient for positioning the vascular stent; and the lower positioning component 4 is longitudinally slidably connected with the longitudinal slide groove 201 through a plurality of positioning bolts 11, which is suitable for clamping spring contact fingers of different specifications and has strong adaptability.

[0037] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A spring finger welding tooling for vascular stent positioning, comprising a bottom plate (1) bolted to a workbench, and an installation plate (2) vertically provided at the rear end of the bottom plate (1), characterized in that: A rectangular positioning plate (3) is installed at the center of the front end of the installation plate (2), a lower positioning component (4) is longitudinally slidably connected to the lower side of the front end of the installation plate (2), a pair of positioning components (5) respectively acting on both sides of the rectangular positioning plate (3) are installed on the left and right sides of the front end of the installation plate (2), and an upper positioning component (6) acting on the top end of the rectangular positioning plate (3) is installed on the upper side of the front end of the installation plate (2).

2. The spring finger welding tooling for blood vessel stent positioning according to claim 1, wherein: The lower positioning component (4) includes a concave plate (7), a groove (701) is provided at the upper end of the concave plate (7), a positioning plate one (8) is slidably connected to the groove (701), a threaded rod one (9) is vertically threadedly connected to one side plate of the concave plate (7), one end of the threaded rod one (9) is connected to the positioning plate one (8) by a bearing, a knob (10) is fixed to the other end of the threaded rod one (9), and arc-shaped grooves one (801) and arc-shaped grooves two (702) penetrating left and right are respectively provided on the opposite surfaces of the positioning plate one (8) and the other side plate of the concave plate (7).

3. A spring finger welding tooling for vascular stent positioning according to claim 2, characterized in that: At least a pair of longitudinal sliding grooves (201) are provided at the lower end of the installation plate (2), and a plurality of positioning bolts (11) inserted into and slidably connected to the longitudinal sliding grooves (201) are threadedly connected to the end of the concave plate (7).

4. A spring finger welding tooling for blood vessel stent positioning according to claim 1, characterized in that: The positioning component (5) includes a support plate (12) vertically installed at the front end of the installation plate (2), a threaded rod two (13) is horizontally threadedly connected to the support plate (12), the inner end of the threaded rod two (13) is connected to a positioning plate two (14) slidably connected to the installation plate (2) by a bearing, and a knob two (15) is fixed to the other end of the threaded rod two (13).

5. A spring finger welding tooling for blood vessel stent positioning according to claim 4, characterized in that: Arc-shaped grooves three (1401) and arc-shaped grooves four (301) penetrating up and down are respectively provided on the opposite surfaces of the positioning plate two (14) and the rectangular positioning plate (3).

6. A spring finger welding tooling for blood vessel stent positioning according to claim 1, characterized in that: The upper positioning component (6) includes a support plate two (16) vertically installed at the front end of the installation plate (2), a threaded rod three (17) is longitudinally threadedly connected to the support plate two (16), the lower end of the threaded rod three (17) is threadedly connected to a positioning plate three (18) slidably connected to the installation plate (2), a pair of auxiliary plates (19) are symmetrically fixed to the left and right at the lower end of the positioning plate three (18), and a knob three (20) is fixed to the upper end of the threaded rod three (17).

7. A spring finger welding tooling for blood vessel stent positioning according to claim 6, characterized in that: Arc-shaped grooves five (1901) and arc-shaped grooves (302) are respectively provided on the opposite surfaces of the auxiliary plate (19) and the rectangular positioning plate (3), and a welding platform (303) covering the arc-shaped grooves (302) is provided in the middle of the upper end of the rectangular positioning plate (3).

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