Rotary front-end material pulling mechanism

Abstract

The utility model belongs to the field of guide wire bending processing, and particularly relates to a rotary type front-end material pulling mechanism which comprises a rotary seat, a material pulling mechanism and a material pulling mechanism, the wire winding and guiding assembly is arranged on the rotating seat, and a wire winding and guiding position for winding and guiding a wire is arranged on the wire winding and guiding assembly; the front end clamping assembly is used for clamping the guide wire, the front end clamping assembly is arranged on the rotating seat, and the front end clamping assembly corresponds to the guide wire winding position; and the rotation driving assembly is used for driving the rotating seat to rotate and is in driving connection with the rotating seat. According to the guide wire bending device, when the guide wire is bent, after the guide wire penetrates through the guide wire position, the front end of the guide wire is clamped by the front end clamping assembly, and then the rotary seat is driven to rotate by the rotary driving assembly, so that the front end clamping assembly can drive the front end of the guide wire to be bent around the guide wire position; the front end of the guide wire is bent, the guide wire cannot be damaged in the process, and the guide wire bending device can be suitable for bending the front ends of guide wires made of different materials.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the wire bending processing field, especially relates to a rotary front end material pulling mechanism. BACKGROUND

[0002] The J-shaped guide wire is a kind of medical instrument widely used in medical field, and the most remarkable feature of the J-shaped guide wire is that the front end is bent into J shape, and the unique shape design makes the guide wire have better controllability and adaptability in the operation process.In the traditional J-shaped guide wire processing process, the bending processing of the front end is mostly manually operated by workers, which is not only low in efficiency, high in labor cost, and the quality of finished products is uneven.

[0003] In view of the problem, the prior art provides a guide wire elbow device (application number CN202120325668.9), which is characterized by comprising a head fixing mechanism for fixing the front end of the guide wire, a pulling mechanism for fixing the guide wire and cooperating with the head fixing mechanism to tension the guide wire, and a bending mechanism for bending the front end of the guide wire;The pulling mechanism is provided with a pulling fixed position for fixing the guide wire, the head fixing mechanism is provided with a head fixed position for fixing the front end of the guide wire, and the bending mechanism is provided with a bending position for abutting on the guide wire to cooperate with the pulling mechanism and the head fixing mechanism to bend the front end of the guide wire, and the shape formed by the three positions of the head fixed position, the bending position and the pulling fixed position is a triangle.The guide wire bending device provided by the prior art can automatically bend the front end of the guide wire, which is more efficient and lower in labor cost compared with manual operation by workers.However, after long-term use, the guide wire elbow device has some defects.Specifically, the guide wire needs to pass through the J-shaped guide channel, be guided and bent, and then be shaped and bent by pulling the guide wire.But some guide wires have high hardness, and the front end is easy to be damaged by abutting and extruding the side wall of the channel when it is inserted and passes through the guide channel, so the applicability is poor. UTILITY MODEL CONTENTS

[0004] In order to solve the above problems, the purpose of the utility model is to provide a rotary front end material pulling mechanism, which can pull the front end of the guide wire and bend it, and has better applicability.

[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows.

[0006] A rotary front end material pulling mechanism, the front end material pulling mechanism comprises:

[0007] Rotary seat;

[0008] Around the guide wire assembly, the around guide wire assembly is arranged on the rotary seat, and the around guide wire assembly is provided with an around guide wire position for winding the guide wire;

[0009] The front end clamping assembly for clamping the guide wire is arranged on the rotating seat, and the front end clamping assembly corresponds to the guide wire position;

[0010] The rotating drive assembly for driving the rotating seat to rotate is in driving connection with the rotating seat.

[0011] In the front end pulling mechanism, when the guide wire bending processing work is performed, after the guide wire passes through the guide wire position, the front end of the guide wire is clamped by the front end clamping assembly, and then the rotating seat is driven to rotate by the rotating drive assembly, so that the front end clamping assembly can drive the front end of the guide wire to bend around the guide wire position, so as to realize the bending processing of the front end of the guide wire, and the guide wire will not be damaged in the process. It can be applied to the bending processing of the front end of the guide wire of different materials, and has better applicability.

[0012] In addition, in the guide wire bending processing process, it can be known that the tail of the guide wire is clamped or pulled by an external pulling structure to cooperate with the front end pulling mechanism to complete the guide wire bending processing.

[0013] Further, the front end clamping assembly comprises:

[0014] The first clamping jaw;

[0015] The second clamping jaw;

[0016] The front end clamping jaw cylinder for controlling the clamping or separation of the first clamping jaw and the second clamping jaw, and the first clamping jaw and the second clamping jaw are in driving connection with the front end clamping jaw cylinder.

[0017] Further, the side of the first clamping jaw close to the second clamping jaw is provided with a clamping groove matched with the front end of the guide wire, and the side of the second clamping jaw close to the first clamping jaw is provided with a clamping plane, and the clamping screen corresponds to the clamping groove.

[0018] Further, the clamping groove is provided with a first guide opening at one end close to the guide wire position, and the width of the clamping guide opening gradually decreases from one end close to the guide wire position to the other end.

[0019] Further, the first guide opening is in the shape of a semicircular truncated cone.

[0020] Further, the rotating drive assembly comprises a rotating drive motor for driving the rotating seat to rotate around the guide wire position as the axis, and the rotating drive motor is in driving connection with the rotating seat.

[0021] Further, the front end pulling mechanism further comprises a front end pulling assembly for pulling the guide wire, and the front end pulling assembly is fixedly arranged on the rotating seat, and the front end pulling assembly is in driving connection with the front end clamping assembly.

[0022] Further, the front end pulling assembly comprises a front end pulling cylinder, which is in driving connection with the front end clamping assembly.

[0023] Further, the front end pulling mechanism further comprises a guide assembly, wherein a guide channel for guiding the wire is arranged on the guide assembly, and the guide channel and the front end clamping assembly are respectively located on two sides of the wire winding position.

[0024] Further, a second guide opening is arranged at an end of the guide channel away from the wire winding position, and the width of the second guide opening gradually decreases from one end to the other end of the second guide opening.

[0025] Further, the second guide opening is in the shape of a circular truncated cone as a whole.

[0026] Further, the guide assembly comprises:

[0027] a first guide member, wherein a first guide groove is arranged on the first guide member;

[0028] a second guide member, wherein a second guide groove is arranged on the second guide member;

[0029] a guide jaw cylinder for controlling the clamping or separation of the first guide member and the second guide member, wherein the first guide member and the second guide member are in driving connection with the guide jaw cylinder, and the guide channel is formed by the first guide groove and the second guide groove.

[0030] Further, the wire winding assembly comprises a wire winding rod, and the wire winding position is a wire winding groove arranged around the wire winding rod.

[0031] Further, the front end pulling mechanism further comprises a bearing seat, wherein the rotary driving assembly is fixedly arranged on the bearing seat, a rotary sensor is further arranged on the bearing seat, and a rotary sensing sheet corresponding to the sensor is arranged on the rotary seat.

[0032] The front end pulling mechanism has the advantages that when the wire bending processing work is performed, the wire is clamped by the front end clamping assembly after the wire is passed through the wire winding position, the rotary seat is driven to rotate by the rotary driving assembly, so that the front end clamping assembly can drive the wire front end to bend around the wire winding position, the bending processing of the wire front end is realized, and the wire is not damaged in the process. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a structural schematic diagram of the utility model.

[0034] Figure 2It is the structural schematic view of the hidden bearing seat and the rotary driving assembly of the utility model.

[0035] Figure 3 It is the structural schematic view of the first clamping jaw and the second clamping jaw.

[0036] Figure 4 It is the structural schematic view of the first guide and the second guide.

[0037] Reference signs:

[0038] 1, rotary seat; 11, rotary induction sheet;

[0039] 2, around the guide wire assembly; 21, around the guide wire position; 22, around the guide wire rod;

[0040] 3, front end clamping assembly; 31, first clamping jaw; 311, clamping groove; 312, first guide port; 32, second clamping jaw; 321, clamping plane; 33, front end clamping cylinder;

[0041] 4, rotary driving assembly; 41, rotary driving motor;

[0042] 5, front end pulling assembly; 51, front end pulling cylinder;

[0043] 6, guide assembly; 61, guide channel; 611, second guide port; 62, first guide; 621, first guide groove; 63, second guide; 631, second guide groove; 64, guide clamping cylinder;

[0044] 7, bearing seat; 71, rotary sensor. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following is combined with the drawings and examples, and the utility model is further described in detail. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0046] Referring to Figures 1-4 , the embodiment provides a rotary front end pulling mechanism, which comprises:

[0047] Rotary seat 1;

[0048] Around the guide wire assembly 2, the around guide wire assembly 2 is arranged on the rotary seat 1, and the around guide wire assembly 2 is provided with the around guide wire position 21 for guiding the wire;

[0049] Front end clamping assembly 3 for clamping the guide wire, the front end clamping assembly 3 is arranged on the rotary seat 1, and the front end clamping assembly 3 corresponds to the around guide wire position 21;

[0050] A rotating driving assembly 4 is used to drive the rotation of the rotating seat 1, and the rotating driving assembly 4 is drivingly connected with the rotating seat 1.

[0051] In the embodiment, the front-end clamping assembly 3 comprises:

[0052] The first clamping jaw 31;

[0053] The second clamping jaw 32;

[0054] A front-end clamping cylinder 33 is used to control the clamping or separation of the first clamping jaw 31 and the second clamping jaw 32, and the first clamping jaw 31 and the second clamping jaw 32 are drivingly connected with the front-end clamping cylinder 33. The front-end clamping cylinder 33 can control the clamping of the first clamping jaw 31 and the second clamping jaw 32 to clamp the front end of the guide wire, and can also control the separation of the first clamping jaw 31 and the second clamping jaw 32 to release the front end of the guide wire.

[0055] In the embodiment, the side of the first clamping jaw 31 close to the second clamping jaw 32 is provided with a clamping groove 311 matched with the front end of the guide wire, the side of the second clamping jaw 32 close to the first clamping jaw is provided with a clamping plane 321, and the clamping screen corresponds to the clamping groove 311. After the front end of the guide wire extends into the clamping groove 311, the first clamping jaw 31 and the second clamping jaw 32 are clamped, so that the clamping plane 321 is pressed on the front end of the guide wire, so as to more stably clamp and fix the front end of the guide wire through the cooperation of the clamping groove 311 and the clamping plane 321.

[0056] In the embodiment, the clamping groove 311 is provided with a first guide port 312 close to one end of the guide wire winding position 21, and the width of the clamping guide port gradually decreases from the one end of the guide wire winding position 21 to the other end thereof. The first guide port 312 can guide the front end of the guide wire to extend into the clamping groove 311.

[0057] In the embodiment, the first guide port 312 is in the shape of a semicircular truncated cone as a whole.

[0058] In the embodiment, the rotating driving assembly 4 comprises a rotating driving motor 41 used to drive the rotating seat 1 to rotate around the guide wire winding position 21 as the axis, and the rotating driving motor 41 is drivingly connected with the rotating seat 1.

[0059] In the embodiment, the front end pulling mechanism further comprises a front end pulling assembly 5 for pulling the guide wire, the front end pulling assembly 5 is fixedly arranged on the rotating seat 1, and the front end pulling assembly 5 is drivingly connected with the front end clamping assembly 3. The front end pulling assembly 5 is arranged to, when the front end clamping assembly 3 clamps the front end of the guide wire, drive the front end clamping assembly 3 to move to cooperate with the external pulling structure for pulling the rear end of the guide wire, so that the front end of the guide wire is repeatedly bent and pulled around the guide wire winding position 21, and finally the bending and setting of the front end of the guide wire is completed. The guide wire front end bending and setting mode is more efficient. In other implementation manners, the front end pulling assembly 5 can be cancelled, and the external pulling structure can continuously pull the guide wire to make the guide wire tight, and finally the bending and setting of the front end of the guide wire is realized.

[0060] In the embodiment, the front end pulling assembly 5 comprises a front end pulling cylinder 51, and the front end pulling cylinder 51 is drivingly connected with the front end clamping assembly 3.

[0061] In the embodiment, the front end pulling mechanism further comprises a guide assembly 6, the guide assembly 6 is provided with a guide channel 61 for guiding the guide wire, and the guide channel 61 and the front end clamping assembly 3 are located on both sides of the guide wire winding position 21. The guide assembly 6 is arranged to guide the front end of the guide wire to pass through the guide wire winding position 21.

[0062] In the embodiment, the guide channel 61 is provided with a second guide opening 611 at an end away from the guide wire winding position 21, and the width of the second guide opening 611 gradually decreases from the end away from the guide wire winding position 21 to the other end. The second guide opening 611 is arranged to guide the front end of the guide wire to extend into the guide channel 61.

[0063] In the embodiment, the second guide opening 611 is in the shape of a circular truncated cone as a whole.

[0064] In the embodiment, the guide assembly 6 comprises:

[0065] a first guide piece 62, the first guide piece 62 is provided with a first guide groove 621;

[0066] a second guide piece 63, the second guide piece 63 is provided with a second guide groove 631;

[0067] a guide clamping cylinder 64 for controlling the clamping or separation of the first guide piece 62 and the second guide piece 63, the first guide piece 62 and the second guide piece 63 are drivingly connected with the guide clamping cylinder 64, and the guide channel 61 is formed by the first guide groove 621 and the second guide groove 631.

[0068] In the embodiment, the guide wire winding assembly 2 comprises a guide wire winding rod 22, and the guide wire winding position 21 is a guide wire winding groove arranged around the guide wire winding rod 22.

[0069] In the embodiment, the front end pulling mechanism further comprises a bearing seat 7, the rotary driving assembly 4 is fixedly arranged on the bearing seat 7, a rotary sensor 71 is further arranged on the bearing seat 7, and a rotary sensing sheet 11 corresponding to the sensor is arranged on the rotary seat 1. The rotary sensor 71 and the rotary sensing sheet 11 can be arranged to obtain the rotary position of the rotary seat 1 in real time.

[0070] Working process: when the guide bending is processed, first, the guide clamping jaw cylinder 64 drives the first guide 62 and the second guide 63 to be clamped, at this time, the first guide groove 621 and the second guide groove 631 form the guide channel 61, the guide wire passes through the guide channel 61, passes through the guide wire position 21, and then extends to the clamping groove 311, and is clamped and fixed by the cooperation of the clamping groove 311 and the clamping plane 321;

[0071] Then, the guide clamping jaw cylinder 64 drives the first guide 62 and the second guide 63 to be separated, finally, the rotary driving motor 41 drives the rotary seat 1 to rotate around the guide wire position 21 as the axis, and the first clamping jaw 31 and the second clamping jaw 32 drive the front end of the guide wire to be wound around the guide wire position 21;

[0072] Finally, under the cooperation of the front end pulling assembly 5 and the external pulling structure pulling the rear end of the guide wire, the front end of the guide wire is repeatedly bent and pulled around the guide wire position 21, so that the front end of the guide wire is bent and shaped.

[0073] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection range of the utility model.

Claims

1. A rotary front-end feeding mechanism, characterized in that, The front-end material pulling mechanism includes: Rotary seat; A wire winding assembly is mounted on a rotating base and has wire winding positions. A front-end clamping assembly for clamping the guide wire, the front-end clamping assembly being disposed on a rotary seat and corresponding to the guide wire winding position; A rotary drive assembly for driving the rotation of the rotary seat, the rotary drive assembly being driven to the rotary seat.

2. The rotary front-end feeding mechanism according to claim 1, characterized in that, The front-end clamping component includes: First gripper; Second gripper; A front-end gripper cylinder is used to control the clamping or separating of the first gripper and the second gripper. Both the first gripper and the second gripper are driven and connected to the front-end gripper cylinder.

3. The rotary front-end feeding mechanism according to claim 2, characterized in that, The first gripper has a clamping groove adapted to the front end of the guide wire on the side near the second gripper, and the second gripper has a clamping plane on the side near the first gripper. The clamping screen corresponds to the clamping groove.

4. The rotary front-end feeding mechanism according to claim 1, characterized in that, The rotary drive assembly includes a rotary drive motor for driving the rotary seat to rotate around the guide wire position as an axis, and the rotary drive motor is drivenly connected to the rotary seat.

5. A rotary front-end feeding mechanism according to claim 1, characterized in that, The front-end pulling mechanism also includes a front-end pulling component for pulling the guide wire. The front-end pulling component is fixedly mounted on the rotating seat and is drivenly connected to the front-end clamping component.

6. A rotary front-end feeding mechanism according to claim 5, characterized in that, The front-end pulling assembly includes a front-end pulling cylinder, which is drivenly connected to the front-end clamping assembly.

7. A rotary front-end feeding mechanism according to claim 1, characterized in that, The front-end material pulling mechanism also includes a guide assembly, which has a guide channel for guiding the guide wire. The guide channel and the front-end clamping assembly are located on both sides of the guide wire winding position.

8. A rotary front-end feeding mechanism according to claim 7, characterized in that, The guiding component includes: A first guide member, wherein a first guide groove is provided on the first guide member; The second guide member has a second guide groove. A guide gripper cylinder is used to control the clamping or separating of the first guide member and the second guide member. The first guide member and the second guide member are both driven and connected to the guide gripper cylinder. The guide channel is formed by the first guide groove and the second guide groove.

9. A rotary front-end feeding mechanism according to claim 1, characterized in that, The wire winding assembly includes a wire winding rod, and the wire winding position is a wire winding groove disposed around the wire winding rod.

10. A rotary front-end feeding mechanism according to any one of claims 1-9, characterized in that, The front-end material pulling mechanism also includes a support base, the rotary drive assembly is fixedly mounted on the support base, the support base is also provided with a rotary sensor, and the rotary base is provided with a rotary sensing plate corresponding to the sensor.

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