CN218964301U

CN218964301U - Guide wire tip forming equipment

Info

Publication number: CN218964301U
Application number: CN202223497535.3U
Authority: CN
Inventors: 徐枫; 龚霄雁
Original assignee: Yinluo Wuxi Medical Equipment Co ltd
Current assignee: Yinluo Wuxi Medical Equipment Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-05
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to the technical field of medical guide wire processing, and discloses guide wire tip forming equipment. The guide wire tip forming equipment is used for processing the tip of the guide wire and comprises a fixing device, a welding gun and a driving device, wherein the guide wire is arranged on the fixing device; the welding gun is positioned above the fixing device, the tip end of the guide wire faces one side of the welding gun, and the welding gun is used for processing the tip end of the guide wire; the driving device is in driving connection with the fixing device, the driving device comprises an X-direction driving assembly, a Y-direction driving assembly and a Z-direction driving assembly, the X-direction driving assembly is used for driving the fixing device to move along the X direction, the Y-direction driving assembly is used for driving the fixing device to move along the Y direction, and the Z-direction driving assembly is used for driving the fixing device to move along the Z direction so that the tip end of the guide wire can move to a preset position. According to the utility model, the relative position of the tip of the guide wire and the welding gun is accurately adjusted by using the guide wire tip forming equipment, so that the processing quality and the processing precision are higher, and the processing efficiency is improved.

Description

Guide wire tip forming equipment

Technical Field

The utility model relates to the technical field of medical guide wire processing, in particular to guide wire tip forming equipment.

Background

Along with the rapid development of society and economy, interventional medical treatment is rapidly developed in recent years, the market of interventional medical guide wires is further expanded, and the production and preparation of the guide wires become an emerging industry with high technical content and high added value. However, medical guidewires are various in kinds and various in usage, and in order to make the guidewire function well in surgery, the tip of the guidewire needs to be properly molded to prevent the patient or medical staff from being scratched.

In the prior art, the tip processing of the guide wire generally comprises a manual welding method and a hot melting method, when manual welding is adopted, a tin ball is placed at a spring port of the guide wire, then an operator manually uses a welding gun to bake the tin ball into a sealing ball, so that the tip of the guide wire is hemispherical, the processing precision and the processing quality of the sealing ball are poor due to manual operation, the production efficiency of the medical guide wire tip is low, and the product quality can be influenced during production.

Based on this, there is a need for a guidewire tip forming apparatus that solves the above-mentioned problems.

Disclosure of Invention

Based on the above, the utility model aims to provide a guide wire tip forming device, which improves the processing quality and processing precision of the tip of a guide wire and improves the processing efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a guidewire tip forming apparatus for processing a tip of a guidewire, comprising:

the guide wire is arranged on the fixing device;

a welding gun positioned above the fixing device, wherein the tip of the guide wire faces one side of the welding gun, and the welding gun is used for processing the tip of the guide wire;

the driving device is in driving connection with the fixing device, the driving device comprises an X-direction driving assembly, a Y-direction driving assembly and a Z-direction driving assembly, the X-direction driving assembly is used for driving the fixing device to move along the X direction, the Y-direction driving assembly is used for driving the fixing device to move along the Y direction, and the Z-direction driving assembly is used for driving the fixing device to move along the Z direction so as to enable the tip of the guide wire to move to a preset position.

As a preferable technical scheme of the guide wire tip forming equipment, the X-direction driving assembly is in driving connection with the Y-direction driving assembly, the Y-direction driving assembly is in driving connection with the Z-direction driving assembly, and the Z-direction driving assembly is in driving connection with the fixing device.

As a preferred technical scheme of seal wire pointed end former, X is to drive assembly includes first base, first slider and first adjust knob, first base is provided with along X first slide rail that extends to, first slider sliding connection in first slide rail, Y is to drive assembly connect in first slider, first adjust knob rotate install in the lateral wall of first base, the lateral wall of first slider is provided with first drive portion, first drive portion is provided with first screw hole, first adjust knob is provided with first threaded rod portion, first threaded rod portion threaded connection in first screw hole.

As a preferred technical scheme of guide wire tip forming equipment, the X-direction driving assembly further comprises a first locking component, the first locking component comprises a first connecting plate and a first screw, the first connecting plate is provided with a first kidney-shaped hole extending along the X direction, the first connecting plate is fixed on the first base, the first screw is in threaded connection with the side wall of the first sliding block, and the rod part of the first screw is in sliding connection with the first kidney-shaped hole.

As a preferable technical scheme of the guide wire tip forming equipment, the Y-direction driving assembly comprises a second sliding rail, a second sliding block and a second adjusting knob, wherein the first sliding block is provided with the second sliding rail extending along the Y direction, the second sliding block is connected with the second sliding rail in a sliding manner, and the second sliding block is connected with the Z-direction driving assembly; the second adjusting knob is rotatably mounted on the side wall of the first sliding block, a second driving part is arranged on the side wall of the second sliding block, a second threaded hole is formed in the second driving part, a second threaded rod portion is arranged on the second adjusting knob, and the second threaded rod portion is in threaded connection with the second threaded hole.

As a preferable technical scheme of the guide wire tip forming equipment, the Z-direction driving assembly comprises a T-shaped base, a T-shaped sliding block, a third adjusting knob and a driving block, wherein the T-shaped base comprises a first connecting part and a first guiding part which are mutually perpendicular, the first connecting part is connected with the Y-direction driving assembly, and a third sliding rail extending along the Z direction is arranged on the side wall of the first guiding part;

the T-shaped sliding block comprises a second connecting part and a second guiding part which are mutually perpendicular, the second guiding part is connected with the third sliding rail in a sliding way, and the second connecting part is connected with the fixing device;

one side of the first guiding part, which is far away from the third sliding rail, is hinged with a driving block, a connecting block is arranged, a third threaded hole is formed in the connecting block, a third threaded rod part is arranged on the third adjusting knob, the third threaded rod part is in threaded connection with the third threaded hole, the end part of the third threaded rod part is in butt joint with one end of the driving block, and the other end of the driving block can be in butt joint with the second connecting part.

As a preferred technical scheme of seal wire pointed end former, fixing device includes first fixing base, second fixing base, first holder and second holder, the second fixing base can dismantle connect in first fixing base, first fixing base is provided with first recess, the second fixing base is provided with the second recess, first recess with the second recess sets up relatively, first holder demountable installation in the lateral wall of first recess, second holder demountable installation in the lateral wall of second recess, form the centre gripping hole between first holder and the second holder, the seal wire install in the centre gripping hole.

As a preferred technical scheme of seal wire pointed end former, fixing device still includes adapting unit, adapting unit includes fifth screw and backstop piece, first fixing base orientation second fixing base one side is provided with the guide post, the second fixing base is provided with the guiding hole, the terminal surface of guide post is provided with the fourth screw hole, fifth screw wear to locate backstop piece and threaded connection in the fourth screw hole, the backstop piece is used for the backstop the second fixing base.

As an optimized technical scheme of the guide wire tip forming equipment, the fixing device further comprises a driving piece, the connecting part further comprises an elastic piece, the elastic piece is arranged between the first fixing seat and the second fixing seat, and the driving piece is used for driving the second fixing seat to overcome the elastic force of the elastic piece and move towards the direction close to the first fixing seat.

As a preferred technical scheme of the guide wire tip forming equipment, the welding gun is a plasma arc welding gun.

The beneficial effects of the utility model are as follows:

the utility model provides guide wire tip forming equipment, which is characterized in that a guide wire is arranged on a fixing device during operation, then the fixing device is driven by an X-direction driving component to move along the X direction, the fixing device is driven by a Y-direction driving component to move along the Y direction, the position of the fixing device in the horizontal direction is adjusted, the tip of the guide wire is opposite to a welding gun, finally, the fixing device is driven by a Z-direction driving component to move along the Z direction, the distance between the tip of the guide wire and the welding gun is adjusted, the tip of the guide wire is moved to a preset position so as to meet the position requirement of the welding gun on the heating of the guide wire, and the tip of the guide wire is formed into a round and smooth hemispherical shape completely covering the tail end of the guide wire by heating of the welding gun. Compared with the processing mode of a handheld welding gun in the prior art, the processing quality and the processing precision are higher, and when the guide wire of the next station is processed, the relative position of the fixing device and the welding gun does not need to be adjusted again, so that the processing efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic illustration of a guidewire tip forming apparatus provided in accordance with an embodiment of the present utility model;

FIG. 2 is a schematic view of a first view of a guidewire tip forming apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a second view of a guidewire tip forming apparatus according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a third view of a guidewire tip forming apparatus according to an embodiment of the present utility model;

fig. 5 is an exploded view of a structure of a fixing device according to an embodiment of the present utility model.

The figures are labeled as follows:

10. a guide wire;

1. a fixing device; 11. a first fixing seat; 111. a guide post; 112. a first groove; 12. the second fixing seat; 121. a guide hole; 122. a second groove; 13. a first clamping member; 14. a second clamping member; 15. a clamping hole; 16. a connecting member; 161. a fifth screw; 162. a stop piece; 163. an elastic member;

2. a welding gun;

3. a driving device; 31. an X-direction driving assembly; 311. a first base; 3111. a first slide rail; 312. a first slider; 3121. a first driving section; 313. a first adjustment knob; 3131. a first threaded shank; 314. a first locking member; 3141. a first connection plate; 3142. a first screw;

32. a Y-direction drive assembly; 321. a second slide rail; 322. a second slider; 3221. a second driving section; 323. a second adjustment knob; 3231. a second threaded shank; 324. a second locking member; 3241. a second connecting plate; 3242. a second screw;

33. a Z-direction drive assembly; 331. a T-shaped base; 3311. a first connection portion; 3312. a first guide part; 332. a T-shaped slider; 3321. a second connecting portion; 3322. a second guide part; 333. a third adjustment knob; 3331. a third threaded shank; 334. a driving block; 335. an abutment block; 336. a third locking member; 3361. a third connecting plate; 3362. and a third screw.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 and 2, the present embodiment provides a guide wire tip forming apparatus for processing a tip of a guide wire 10, the guide wire tip forming apparatus including a fixture 1, a welding gun 2, and a driving device 3, in particular, the guide wire 10 is mounted to the fixture 1; the welding gun 2 is positioned above the fixing device 1, the tip end of the guide wire 10 faces one side of the welding gun 2, and the welding gun 2 is used for processing the tip end of the guide wire 10; the driving device 3 is in driving connection with the fixing device 1, the driving device 3 comprises an X-direction driving component 31, a Y-direction driving component 32 and a Z-direction driving component 33, the X-direction driving component 31 is used for driving the fixing device 1 to move along the X direction, the Y-direction driving component 32 is used for driving the fixing device 1 to move along the Y direction, and the Z-direction driving component 33 is used for driving the fixing device 1 to move along the Z direction so as to enable the tip of the guide wire 10 to move to a preset position. In this embodiment, the X direction, the Y direction, and the Z direction are perpendicular to each other.

During operation, the guide wire 10 is arranged on the fixing device 1, then the fixing device 1 is driven to move along the X direction through the X-direction driving component 31, the fixing device 1 is driven to move along the Y direction through the Y-direction driving component 32, the position adjustment of the fixing device 1 in the horizontal direction is realized, the tip of the guide wire 10 is opposite to the welding gun 2, finally, the fixing device 1 is driven by the Z-direction driving component 33 to move along the Z direction, the distance between the tip of the guide wire 10 and the welding gun 2 is adjusted, the tip of the guide wire 10 is moved to a preset position so as to meet the position requirement of the welding gun 2 on heating the guide wire 10, and the tip of the guide wire 10 is shaped into a round and smooth hemispherical shape completely wrapping the tail end of the guide wire 10 by heating the welding gun 2. In this embodiment, the relative position between the tip of the guide wire 10 and the welding gun 2 is accurately adjusted by using the guide wire tip forming device, compared with the mode of processing by using a handheld welding gun in the prior art, the processing quality and the processing precision are higher, and when the guide wire 10 of the next station is processed, the relative position between the fixing device 1 and the welding gun 2 is not required to be adjusted again, so that the processing efficiency is improved.

Preferably, as shown in fig. 2, the X-direction driving assembly 31 is drivingly connected to the Y-direction driving assembly 32, the Y-direction driving assembly 32 is drivingly connected to the Z-direction driving assembly 33, and the Z-direction driving assembly 33 is drivingly connected to the fixture 1. The X-direction driving assembly 31 can drive the Y-direction driving assembly 32, the Z-direction driving assembly 33 and the fixing device 1 to move along the X direction at the same time, so that the position adjustment of the guide wire 10 along the X direction is realized; the Y-direction driving assembly 32 can drive the Z-direction driving assembly 33 and the fixing device 1 to move along the Y direction at the same time, so that the position adjustment of the guide wire 10 along the Y direction is realized; the Z-direction driving assembly 33 drives the fixing device 1 to move along the Z direction, so that the position adjustment of the guide wire 10 along the Z direction is realized, and the position adjustment of the guide wire 10 along the X direction, the Y direction and the Z direction is realized in the embodiment.

Specifically, as shown in fig. 2, the X-direction driving assembly 31 includes a first base 311, a first slider 312 and a first adjusting knob 313, the first base 311 is provided with a first sliding rail 3111 extending along the X-direction, the first slider 312 is slidably connected to the first sliding rail 3111, the moving precision of the first slider 312 is improved, the Y-direction driving assembly 32 is connected to the first slider 312, the first adjusting knob 313 is rotatably mounted on a side wall of the first base 311, a first driving portion 3121 is provided on a side wall of the first slider 312, the first driving portion 3121 is provided with a first threaded hole, the first adjusting knob 313 is provided with a first threaded rod portion 3131, and the first threaded rod portion 3131 is in threaded connection with the first threaded hole. When the first adjustment knob 313 is manually driven to rotate, the first threaded shaft portion 3131 is threaded to drive the first driving portion 3121 to move in the X-direction, thereby realizing the position adjustment of the first slider 312 along the first sliding rail 3111 and the first slider 312 and the Y-direction driving assembly 32 in the X-direction.

Preferably, as shown in fig. 3, the X-direction driving assembly 31 further includes a first locking member 314, the first locking member 314 includes a first connecting plate 3141 and a first screw 3142, the first connecting plate 3141 is provided with a first kidney-shaped hole extending in the X-direction, the first connecting plate 3141 is fixed to the first base 311, the first screw 3142 is screwed to a side wall of the first slider 312, and a rod portion of the first screw 3142 is slidably connected to the first kidney-shaped hole. When the first slider 312 needs to move, the first screw 3142 is unscrewed, the rod portion of the first screw 3142 can slide in the first kidney-shaped hole, and when the first slider 312 moves to a designated position, the first screw 3142 is screwed, so that relative fixation between the first slider 312 and the first base 311 is realized, and stability is improved.

In this embodiment, as shown in fig. 2 and 4, the Y-direction driving assembly 32 includes a second sliding rail 321, a second sliding block 322 and a second adjusting knob 323, the first sliding block 312 is provided with a second sliding rail 321 extending along the Y-direction, wherein the second sliding rail 321 is disposed above the first sliding block 312, the second sliding block 322 is slidably connected to the second sliding rail 321, and the second sliding block 322 is connected to the Z-direction driving assembly 33; the second adjusting knob 323 is rotatably mounted on the side wall of the first slider 312, the side wall of the second slider 322 is provided with a second driving portion 3221, the second driving portion 3221 is provided with a second threaded hole, the second adjusting knob 323 is provided with a second threaded rod portion 3231, and the second threaded rod portion 3231 is in threaded connection with the second threaded hole. When the second adjusting knob 323 is manually driven to rotate, the second threaded rod portion 3231 drives the second driving portion 3221 to move along the Y direction, so that the second slider 322 is moved along the second sliding rail 321, and position adjustment of the second slider 322 and the Z-direction driving assembly 33 along the Y direction is achieved.

Similarly, the Y-direction driving assembly 32 further includes a second locking member 324, where the second locking member 324 includes a second connecting plate 3241 and a second screw 3242, the second connecting plate 3241 is provided with a second kidney-shaped hole extending along the Y-direction, the second connecting plate 3241 is fixed to the first slider 312, the second screw 3242 is screwed to a side wall of the second slider 322, and a rod portion of the second screw 3242 is slidably connected to the second kidney-shaped hole. When the second slider 322 needs to move, the second screw 3242 is unscrewed, the rod part of the second screw 3242 can slide in the second kidney-shaped hole, and when the second slider 322 moves to a designated position, the second screw 3242 is screwed, so that relative fixation between the second slider 322 and the first slider 312 is realized, and stability is improved.

2-4, the Z-direction driving assembly 33 includes a T-shaped base 331, a T-shaped slider 332, a third adjusting knob 333 and a driving block 334, wherein the T-shaped base 331 includes a first connecting portion 3311 and a first guiding portion 3312 which are disposed perpendicular to each other, the first connecting portion 3311 is connected to the Y-direction driving assembly 32, the first connecting portion 3311 is connected to the second slider 322, and a third sliding rail extending along the Z-direction is disposed on a side wall of the first guiding portion 3312; the T-shaped slider 332 includes a second connecting portion 3321 and a second guiding portion 3322 that are perpendicular to each other, the second guiding portion 3322 is slidably connected to the third sliding rail, and the second connecting portion 3321 is connected to the fixing device 1; one side of the first guiding portion 3312 far away from the third sliding rail is hinged with a driving block 334, a connecting block is arranged, a third threaded hole is formed in the connecting block, a third threaded rod portion 3331 is arranged on the third adjusting knob 333, the third threaded rod portion 3331 is connected with the third threaded hole in a threaded mode, the end portion of the third threaded rod portion 3331 is abutted to one end of the driving block 334, and the other end of the driving block 334 can be abutted to the second connecting portion 3321.

In this embodiment, the driving block 334 is triangular, the bottom of the second connecting portion 3321 is provided with an abutting block 335, the other end of the driving block 334 can abut against the abutting block 335, when the third adjusting knob 333 is manually driven to rotate, the third threaded rod portion 3331 moves relatively to the third threaded hole, when the screwing depth is increased, the end of the third threaded rod portion 3331 abuts against the driving block 334 to rotate, the other end of the driving block 334 can abut against the abutting block 335, so that the T-shaped sliding block 332 moves along the Z direction, and the fixing device 1 moves along the Z direction; when the screwing depth is reduced, the end of the third threaded rod portion 3331 is withdrawn, and the fixing device 1 and the T-shaped slider 332 are restored downward by their own weight.

The Z-direction driving assembly 33 further includes a third locking member 336, the third locking member 336 includes a third connecting plate 3361 and a third screw 3362, the third connecting plate 3361 is provided with a third kidney-shaped hole extending along the Z-direction, the third connecting plate 3361 is fixed on the T-shaped base 331, the third screw 3362 is screwed on the side wall of the T-shaped slider 332, and the rod portion of the third screw 3362 is slidably connected to the third kidney-shaped hole. When the T-shaped slide block 332 needs to move, the third screw 3362 is unscrewed, the rod portion of the third screw 3362 can slide in the third kidney-shaped hole, and when the T-shaped slide block 332 moves to a designated position, the third screw 3362 is screwed, so that relative fixation between the T-shaped slide block 332 and the T-shaped base 331 is realized, and stability is improved.

Further, as shown in fig. 4 and 5, the fixing device 1 includes a first fixing seat 11, a second fixing seat 12, a first clamping member 13 and a second clamping member 14, the second fixing seat 12 is detachably connected to the first fixing seat 11, the first fixing seat 11 is provided with a first groove 112, the second fixing seat 12 is provided with a second groove 122, the first groove 112 and the second groove 122 are oppositely arranged, the first clamping member 13 is detachably mounted on a side wall of the first groove 112, the second clamping member 14 is detachably mounted on a side wall of the second groove 122, a clamping hole 15 is formed between the first clamping member 13 and the second clamping member 14, and the guide wire 10 is mounted in the clamping hole 15. When the guide wire 10 needs to be installed, the first fixing seat 11 and the second fixing seat 12 are separated, the guide wire 10 is placed between the first clamping piece 13 and the second clamping piece 14, and then the first fixing seat 11 and the second fixing seat 12 are connected, so that the guide wire 10 is installed in the clamping hole 15 formed by the first clamping piece 13 and the second clamping piece 14, and the guide wire 10 is fixed.

In this embodiment, the side wall of the first groove 112 is provided with a mounting hole, the first clamping member 13 is mounted in the mounting hole, the side wall of the mounting hole is provided with a fifth threaded hole, the fourth screw is in threaded connection with the fifth threaded hole and abuts against the side wall of the first clamping member 13, the first clamping member 13 is detachably mounted on the side wall of the first groove 112, and the mounting mode of the second clamping member 14 is the same as that of the first clamping member 13. Furthermore, the first clamping member 13 and the second clamping member 14 are adaptively designed according to the types of the guide wires 10, and are adapted to the guide wires 10 with multiple types, so that the universality is improved.

In this embodiment, the fixing device 1 further includes a connecting component 16, the connecting component 16 includes a fifth screw 161 and a stop piece 162, the first fixing seat 11 is provided with a guide post 111 towards one side of the second fixing seat 12, the second fixing seat 12 is provided with a guide hole 121, the end surface of the guide post 111 is provided with a fourth threaded hole, the fifth screw 161 penetrates through the stop piece 162 and is in threaded connection with the fourth threaded hole, and the stop piece 162 is used for stopping the second fixing seat 12. The guide post 111 is inserted into the guide hole 121 of the second fixing seat 12, so that the installation accuracy of the first fixing seat 11 and the second fixing seat 12 is improved, the fifth screw 161 is inserted into the stop piece 162 and is screwed into the fourth threaded hole, and the stop piece 162 can limit the second fixing seat 12 from being separated from the guide post 111. Further preferably, the connecting parts 16 are arranged in two groups symmetrically at two sides of the clamping hole 15, so that the assembling stability is improved.

In this embodiment, the fixing device 1 further includes a driving member, the connecting member 16 further includes an elastic member 163, the elastic member 163 is disposed between the first fixing seat 11 and the second fixing seat 12, and the driving member is used for driving the second fixing seat 12 to move towards a direction approaching to the first fixing seat 11 against the elastic force of the elastic member 163. In this embodiment, the driving member may be a horizontal quick clamp, the elastic member 163 is a spring, and the spring is sleeved on the guide post 111, and one end of the spring is abutted against the first fixing seat 11, and the other end of the spring is abutted against the second fixing seat 12.

When the guide wire 10 is placed between the first clamping member 13 and the second clamping member 14, the driving member drives the second fixing seat 12 to move towards the direction close to the first fixing seat 11 against the elastic force of the elastic member 163, so that the guide wire 10 is fixed in the clamping hole 15, when the guide wire 10 needs to be disassembled, the driving member removes the applied force, and the spring drives the second fixing seat 12 to move towards the direction far away from the first fixing seat 11, so that the guide wire 10 is convenient to disassemble.

In this embodiment, the welding gun 2 is a plasma arc welding gun, and the tip of the guide wire 10 adopts an argon arc welding processing mode, so that the tensile force of the tip is not less than 10N, and the processing quality is improved.

The present embodiment also provides a method of shaping the tip of the guidewire 10, as follows:

step one, as shown in fig. 1 and fig. 2, the tip of the guide wire 10 is mounted on the fixing device 1, the core wire in the guide wire 10 is exposed for about 0.5mm, the exposed core wire is processed by the welding gun 2 to form a hemispherical tip, the stainless steel connecting pipe of the guide wire 10 is flush with the outer winding wire, no gap exists between the outer winding wire and the clamping hole 15, and the stability of the guide wire 10 is improved. The outside winding of the guide wire 10 needs to expose the clamping hole 15 to prevent the melted core wire from falling onto the guide wire tip forming equipment; it should be noted that, the guide wire 10 includes a core wire, a stainless steel connecting tube, an outer wire winding, and other structures as in the prior art;

step two, aligning the tip of the guide wire 10 with the welding gun 2 by the driving device 3;

and thirdly, heating by using a plasma arc welding gun, and shaping the tip of the guide wire 10 into a round and smooth hemispherical shape which completely covers the tip of the guide wire 10.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. A guidewire tip forming apparatus for processing a tip of a guidewire (10), comprising:

a fixation device (1), the guide wire (10) being mounted to the fixation device (1);

a welding gun (2) which is positioned above the fixing device (1), wherein the tip of the guide wire (10) faces one side of the welding gun (2), and the welding gun (2) is used for processing the tip of the guide wire (10);

the driving device (3) is in driving connection with the fixing device (1), the driving device (3) comprises an X-direction driving component (31), a Y-direction driving component (32) and a Z-direction driving component (33), the X-direction driving component (31) is used for driving the fixing device (1) to move along the X direction, the Y-direction driving component (32) is used for driving the fixing device (1) to move along the Y direction, and the Z-direction driving component (33) is used for driving the fixing device (1) to move along the Z direction so that the tip of the guide wire (10) moves to a preset position.

2. The guidewire tip shaping device according to claim 1, characterized in that the X-direction drive assembly (31) is drivingly connected to the Y-direction drive assembly (32), the Y-direction drive assembly (32) is drivingly connected to the Z-direction drive assembly (33), and the Z-direction drive assembly (33) is drivingly connected to the fixture (1).

3. The guide wire tip forming device according to claim 2, wherein the X-direction driving assembly (31) comprises a first base (311), a first slider (312) and a first adjusting knob (313), the first base (311) is provided with a first sliding rail (3111) extending along the X-direction, the first slider (312) is slidably connected to the first sliding rail (3111), the Y-direction driving assembly (32) is connected to the first slider (312), the first adjusting knob (313) is rotatably mounted to a side wall of the first base (311), a first driving portion (3121) is provided to a side wall of the first slider (312), the first driving portion (3121) is provided with a first threaded hole, the first adjusting knob (313) is provided with a first threaded rod portion (3131), and the first threaded rod portion (3131) is threadedly connected to the first threaded hole.

4. A guidewire tip forming device according to claim 3, characterized in that the X-drive assembly (31) further comprises a first locking member (314), the first locking member (314) comprising a first connecting plate (3141) and a first screw (3142), the first connecting plate (3141) being provided with a first kidney-shaped hole extending in the X-direction, the first connecting plate (3141) being fixed to the first base (311), the first screw (3142) being screwed to a side wall of the first slider (312), and a stem of the first screw (3142) being slidingly connected to the first kidney-shaped hole.

5. A guide wire tip forming device according to claim 3, characterized in that the Y-direction drive assembly (32) comprises a second slide rail (321), a second slider (322) and a second adjustment knob (323), the first slider (312) being provided with the second slide rail (321) extending in the Y-direction, the second slider (322) being slidingly connected to the second slide rail (321), the second slider (322) being connected to the Z-direction drive assembly (33); the second adjusting knob (323) is rotatably mounted on the side wall of the first sliding block (312), a second driving part (3221) is arranged on the side wall of the second sliding block (322), a second threaded hole is formed in the second driving part (3221), a second threaded rod portion (3231) is arranged on the second adjusting knob (323), and the second threaded rod portion (3231) is in threaded connection with the second threaded hole.

6. The guide wire tip forming device according to claim 2, wherein the Z-direction driving assembly (33) comprises a T-shaped base (331), a T-shaped slider (332), a third adjusting knob (333) and a driving block (334), the T-shaped base (331) comprises a first connecting portion (3311) and a first guiding portion (3312) which are disposed perpendicular to each other, the first connecting portion (3311) is connected to the Y-direction driving assembly (32), and a side wall of the first guiding portion (3312) is provided with a third sliding rail extending in the Z-direction;

the T-shaped sliding block (332) comprises a second connecting part (3321) and a second guiding part (3322) which are arranged perpendicular to each other, the second guiding part (3322) is connected with the third sliding rail in a sliding way, and the second connecting part (3321) is connected with the fixing device (1);

one side of first guiding part (3312) is kept away from third slide rail articulates there is drive piece (334), and is provided with the connecting block, the connecting block is provided with the third screw hole, third adjust knob (333) are provided with third threaded rod portion (3331), third threaded rod portion (3331) threaded connection in the third screw hole, just tip butt of third threaded rod portion (3331) in one end of drive piece (334), the other end of drive piece (334) can support and push second connecting portion (3321).

7. The guide wire tip forming device according to claim 1, wherein the fixing device (1) comprises a first fixing seat (11), a second fixing seat (12), a first clamping piece (13) and a second clamping piece (14), the second fixing seat (12) is detachably connected to the first fixing seat (11), the first fixing seat (11) is provided with a first groove (112), the second fixing seat (12) is provided with a second groove (122), the first groove (112) and the second groove (122) are oppositely arranged, the first clamping piece (13) is detachably mounted on the side wall of the first groove (112), the second clamping piece (14) is detachably mounted on the side wall of the second groove (122), a clamping hole (15) is formed between the first clamping piece (13) and the second clamping piece (14), and the guide wire (10) is mounted in the clamping hole (15).

8. The guide wire tip forming device according to claim 7, wherein the fixing means (1) further comprises a connecting member (16), the connecting member (16) comprises a fifth screw (161) and a stop piece (162), the first fixing base (11) is provided with a guide post (111) toward one side of the second fixing base (12), the second fixing base (12) is provided with a guide hole (121), the end face of the guide post (111) is provided with a fourth threaded hole, the fifth screw (161) is arranged on the stop piece (162) in a penetrating manner and is connected with the fourth threaded hole in a threaded manner, and the stop piece (162) is used for stopping the second fixing base (12).

9. The guide wire tip forming device according to claim 8, wherein the fixing means (1) further comprises a driving member, the connecting member (16) further comprises an elastic member (163), the elastic member (163) is disposed between the first fixing base (11) and the second fixing base (12), and the driving member is used for driving the second fixing base (12) to move toward the first fixing base (11) against the elastic force of the elastic member (163).

10. The guidewire tip forming apparatus according to claim 1, characterized in that the welding gun (2) is a plasma arc welding gun.