CN110860742A

CN110860742A - Efficient fixing tool for crown type sterile Kirschner wire

Info

Publication number: CN110860742A
Application number: CN201911360088.7A
Authority: CN
Inventors: 陈影; 王露露
Original assignee: Lixin County Public Good Medical Science And Technology Co Ltd
Current assignee: Lixin County Public Good Medical Science And Technology Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-03-06

Abstract

The invention relates to the field of medical equipment processing, in particular to a high-efficiency fixing tool for a crown type sterile Kirschner wire, which comprises a working platform, a pushing assembly, a clamping assembly and a thread milling assembly, wherein the output end of the pushing assembly is horizontally arranged at the top of the working platform in a sliding manner, the clamping assembly is horizontally and fixedly arranged at the output end of the pushing assembly, the clamping assembly is positioned above the pushing assembly, the thread milling assembly is vertically arranged and fixedly connected with the top of the working platform, the clamping assembly comprises a three-jaw chuck capable of clamping the Kirschner wire to be processed, the three-jaw chuck is vertically and rotatably arranged at the output end of the pushing assembly, the thread milling assembly comprises a vertically rotatable milling cutter, and the milling cutter is positioned right above an output shaft of the three-jaw chuck. The crown type sterile Kirschner wire cannot deviate during processing, and the product quality is improved.

Description

Efficient fixing tool for crown type sterile Kirschner wire

Technical Field

The invention relates to the field of medical equipment processing, in particular to a high-efficiency fixing tool for a crown type sterile Kirschner wire.

Background

The kirschner wire is a commonly used internal fixation material in orthopedics, is used for fixing short fractures or avulsion fractures and other fractures with low stress, and is also used for fixing temporary fracture blocks in orthopedic operations. The internal fixing material for orthopedics department has the original specification generally fixed at about twenty centimeters and different specifications with the diameter of 0.5-2 millimeters. The bone fracture fixation device is used for fixing short fractures or avulsion fractures and other fractures with low stress, and is also commonly used for fixing temporary fracture blocks in orthopedic operations. Due to wide application, the maximum diameter of the Kirschner wire is gradually increased to 4 mm, and the Kirschner wire is matched with an external fixing locking nail to fix emergent large fractures such as pelvic fracture, calcaneal fracture and the like along with the external fixing support.

In current kirschner wire, there is a Crowe type kirschner wire, need carry out milling process to screw thread end department, and current processing equipment machining precision is lower, does not have comparatively simple and efficient fixed equipment, and large-scale processing equipment processing cost is higher in addition.

Therefore, there is a need to design an efficient fixture for fixing a crown-type sterile k-wire, which is used to solve the above problems.

Disclosure of Invention

The invention aims to solve the technical problem of providing an efficient fixing tool for a crown type sterile Kirschner wire, and the technical scheme solves the problems of high cost of large-scale processing equipment, low processing precision of small-scale processing equipment, poor fixing effect and the like.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides a frock is fixed to aseptic ke shi needle of Crowe type high efficiency, including work platform, the propelling movement subassembly, clamping component and screw thread milling assembly, the work platform level sets up, the propelling movement subassembly is fixed to be set up at the work platform top, the output of propelling movement subassembly can the horizontally sliding setting at the work platform top, clamping component horizontal fixed mounting is on the output of propelling movement subassembly, clamping component is located the top of propelling movement subassembly, the vertical setting of screw thread milling assembly and work platform top fixed connection, clamping component is including pressing from both sides the three-jaw chuck that treats processing ke shi needle, the vertical rotatable installation of three-jaw chuck is on the output of propelling movement subassembly, the screw thread milling assembly includes vertical rotatable milling cutter, milling cutter is located directly over three-jaw chuck output shaft, and milling cutter is located and is close to ke shi needle screw thread end one side.

As an optimal scheme of aseptic ke shi needle's of Crowe type high-efficient fixed frock, the propelling movement subassembly is including the ejector pad, first servo motor, threaded rod and mount pad, the horizontal fixed mounting of first servo motor is at work platform's top, the directional milling cutter position of first servo motor's output shaft, the vertical fixed setting of mount pad is on work platform surface, the threaded rod level sets up directly over work platform, the one end and the first servo motor output shaft fixed connection of threaded rod, the other end and the rotatable connection of bearing frame of threaded rod, the ejector pad can gliding setting at work platform top, run through on the ejector pad and be equipped with the screw hole, the ejector pad passes through the screw hole and is connected with the threaded rod transmission, clamping unit installs on the ejector pad both sides wall.

As an optimal scheme of the efficient fixing tool for the crown type sterile Kirschner wire, a trapezoidal limiting block is arranged at the bottom of the push block, a limiting sliding groove in sliding fit with the trapezoidal limiting block is arranged at the top of the working platform, and the length direction of the limiting sliding groove is consistent with the axis direction of the threaded rod.

As an optimal scheme of a high-efficient fixed frock of aseptic ke shi needle of Crowe's type, clamping assembly still includes the rotating electrical machines, and rotating electrical machines fixed mounting is on the ejector pad lateral wall, and the rotating electrical machines is connected with three-jaw chuck transmission.

As an optimal scheme of a high-efficient fixed frock of aseptic ke shi needle of Crowe's type, the output of three-jaw chuck is equipped with three elongated jack catch that distributes along three-jaw chuck axial direction annulars, and the inboard of jack catch is equipped with the arc wall with ke shi needle external diameter assorted.

As an optimal scheme of the high-efficient fixed frock of the aseptic ke shi needle of a Crowe's type, work platform is last still vertically to be equipped with U type mounting bracket, two sole portions and work platform top fixed connection of U type mounting bracket, and the top of U type mounting bracket is equipped with the arc spacing groove that can bear the weight of ke shi needle stiff end, the axis of arc spacing groove and the axis collineation of ke shi needle.

As an optimal scheme of the aseptic ke shi needle of Crowe's type high-efficient fixed frock, the screw thread milling assembly is still including second servo motor, the one end that propelling movement subassembly was kept away from at the work platform top upwards extends fixedly and is equipped with vertical board, one side top level that vertical board is close to clamping component is equipped with the horizontal plate and extends towards the clamping component direction, the horizontal plate is located directly over the clamping component, the vertical fixed mounting of second servo motor is at the top of horizontal plate, the output shaft of second servo motor runs through the horizontal plate and sets up downwards and through the top fixed connection of shaft coupling and milling cutter.

Compared with the prior art, the invention has the beneficial effects that:

the efficient fixing tool for the crown type sterile Kirschner wire is simple in structure, convenient to operate and low in use cost, and the elongated clamping jaw is matched with the arc limiting groove in the U-shaped mounting frame, so that the crown type sterile Kirschner wire is prevented from deviating during processing, the fixing effect is good, the processing precision is high, and the product quality is improved.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a partial perspective view of the first embodiment of the present invention;

FIG. 5 is a schematic perspective view of a work platform according to the present invention;

fig. 6 is a partial perspective view of the second embodiment of the present invention.

The reference numbers in the figures are:

work platform 1, propelling movement subassembly 2, clamping component 3, screw thread milling component 4, three-jaw chuck 5, milling cutter 6, ejector pad 7, first servo motor 8, threaded rod 9, mount pad 10, screw hole 11, trapezoidal stopper 12, spacing spout 13, rotating electrical machines 14, add elongated jack catch 15, arc wall 16, U type mounting bracket 17, arc spacing groove 18, second servo motor 19, vertical board 20, horizontal plate 21.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-6, a high-efficiency fixing tool for a crown-type sterile kirschner wire comprises a working platform 1, a pushing component 2, a clamping component 3 and a thread milling component 4, wherein the working platform 1 is horizontally arranged, the pushing component 2 is fixedly arranged at the top of the working platform 1, the output end of the pushing component 2 is horizontally and slidably arranged at the top of the working platform 1, the clamping component 3 is horizontally and fixedly arranged at the output end of the pushing component 2, the clamping component 3 is positioned above the pushing component 2, the thread milling component 4 is vertically arranged and is fixedly connected with the top of the working platform 1, the clamping component 3 comprises a three-jaw chuck 5 capable of clamping the kirschner wire to be processed, the three-jaw chuck 5 is vertically and rotatably arranged at the output end of the pushing component 2, the thread milling component 4 comprises a vertically and rotatably milling cutter 6, and the milling cutter 6 is positioned right above the output shaft of the three, and the milling cutter 6 is positioned at one side close to the thread end of the kirschner wire.

Propelling movement subassembly 2 is including ejector pad 7, first servo motor 8, threaded rod 9 and mount pad 10, the horizontal fixed mounting of first servo motor 8 is at work platform 1's top, the directional milling cutter 6 positions of output shaft of first servo motor 8, the vertical fixed setting of mount pad 10 is on work platform 1 surface, threaded rod 9 level sets up directly over work platform 1, threaded rod 9's one end and the 8 output shaft fixed connection of first servo motor, the other end and the rotatable connection of bearing frame of threaded rod 9, ejector pad 7 can gliding setting at work platform 1 top, it is equipped with screw hole 11 to run through on the ejector pad 7, ejector pad 7 is connected with threaded rod 9 transmission through screw hole 11, clamping component 3 installs on the wall of ejector pad 7 both sides. When the device works, the first servo motor 8 works to drive the threaded rod 9 to rotate, further drives the push block 7 in transmission connection with the threaded rod 9 to move along the axis direction of the threaded rod 9 and approach towards the milling cutter 6, so that the clamped Kirschner wire to be processed on the clamping assembly 3 is driven to move towards the milling cutter 6, the three-jaw chuck 5 rotates, and the thread milling work of the Kirschner wire is finally completed through the rotating milling cutter 6.

The bottom of the push block 7 is provided with a trapezoidal limiting block 12, the top of the working platform 1 is provided with a limiting sliding chute 13 in sliding fit with the trapezoidal limiting block 12, and the length direction of the limiting sliding chute 13 is consistent with the axis direction of the threaded rod 9. When the pushing assembly 2 works, the pushing block 7 moves along the axis direction of the threaded rod 9 under the output of the first servo motor 8, the trapezoidal limiting block 12 on the pushing block 7 is matched with the limiting sliding groove 13 on the working platform 1 to realize the sliding of the pushing block 7, and the limiting sliding groove 13 plays a role in guiding and limiting in the sliding process of the pushing block 7.

The clamping assembly 3 further comprises a rotating motor 14, the rotating motor 14 is fixedly installed on the side wall of the push block 7, and the rotating motor 14 is in transmission connection with the three-jaw chuck 5. In the milling process, the clamping assembly 3 works, the rotating motor 14 drives the three-jaw chuck 5 in transmission connection with the rotating motor through the output shaft, so that the kirschner wire clamped on the three-jaw chuck 5 is driven to rotate, and then the milling cutter 6 rotating at high speed above the three-jaw chuck is matched to complete thread milling and forming.

The output end of the three-jaw chuck 5 is provided with three lengthened clamping jaws 15 which are annularly distributed along the axial direction of the three-jaw chuck 5, and the inner sides of the clamping jaws are provided with arc-shaped grooves 16 matched with the outer diameter of the Kirschner wire. When the three-jaw chuck 5 clamps a kirschner wire to be processed, the three lengthened clamping jaws 15 can clamp one end of the fixed end of the kirschner wire, the lengthened clamping jaws 15 can prevent loosening of clamping, and the arc-shaped grooves 16 ensure the clamping effect of the lengthened clamping jaws 15.

Still vertically being equipped with U type mounting bracket 17 on work platform 1, two sole portions and the 1 top fixed connection of work platform of U type mounting bracket 17, the top of U type mounting bracket 17 is equipped with the arc spacing groove 18 that can bear the weight of k shi needle stiff end, the axis of arc spacing groove 18 and the axis collineation of k shi needle. At propelling movement subassembly 2 during operation, propelling movement subassembly 2's output drives the 3 displacements of the clamping component of installation on it, and then drives the kirschner wire synchronous motion on the clamping component 3, and when the motion, arc spacing groove 18 on the U type mounting bracket 17 can carry out the supporting effect to the middle part of the kirschner wire that has fixed, and arc spacing groove 18 has guaranteed the horizontal position of kirschner wire when the operation, prevents the downward skew of kirschner wire thread end, and then has guaranteed the precision of milling, improves product quality.

The thread milling assembly 4 further comprises a second servo motor 19, one end, far away from the pushing assembly 2, of the top of the working platform 1 extends upwards to be fixedly provided with a vertical plate 20, one side top level, close to the clamping assembly 3, of the vertical plate 20 is provided with a horizontal plate 21 and extends towards the clamping assembly 3, the horizontal plate 21 is located right above the clamping assembly 3, the second servo motor 19 is vertically and fixedly installed at the top of the horizontal plate 21, and an output shaft of the second servo motor 19 penetrates through the horizontal plate 21 to be downwards arranged and is fixedly connected with the top of the milling cutter 6 through a coupler. When the thread milling assembly 4 works, the second servo motor 19 works, the output shaft of the second servo motor 19 drives the milling cutter 6 to rotate, and then the kirschner wire passing below is subjected to thread milling, so that the whole work of the equipment is completed.

The working principle of the invention is as follows: when the three-jaw chuck 5 clamps a kirschner wire to be processed, the three lengthened clamping jaws 15 can clamp one end of the fixed end of the kirschner wire, the lengthened clamping jaws 15 can prevent loosening of clamping, and the arc-shaped grooves 16 ensure the clamping effect of the lengthened clamping jaws 15. At propelling movement subassembly 2 during operation, propelling movement subassembly 2's output drives the 3 displacements of the clamping component of installation on it, and then drives the kirschner wire synchronous motion on the clamping component 3, and when the motion, arc spacing groove 18 on the U type mounting bracket 17 can carry out the supporting effect to the middle part of the kirschner wire that has fixed, and arc spacing groove 18 has guaranteed the horizontal position of kirschner wire when the operation, prevents the downward skew of kirschner wire thread end, and then has guaranteed the precision of milling, improves product quality. When the device works, the first servo motor 8 works to drive the threaded rod 9 to rotate, further drives the push block 7 in transmission connection with the threaded rod 9 to move along the axis direction of the threaded rod 9 and approach towards the milling cutter 6, so that the clamped Kirschner wire to be processed on the clamping assembly 3 is driven to move towards the milling cutter 6, the three-jaw chuck 5 rotates, and the thread milling work of the Kirschner wire is finally completed through the rotating milling cutter 6. The push block 7 moves along the axis direction of the threaded rod 9 under the output of the first servo motor 8, the trapezoidal limiting block 12 on the push block 7 is matched with the limiting sliding groove 13 on the working platform 1 to realize the sliding of the push block 7, and the limiting sliding groove 13 plays a role in guiding and limiting in the sliding process of the push block 7. In the milling process, the clamping assembly 3 works, the rotating motor 14 drives the three-jaw chuck 5 in transmission connection with the rotating motor through the output shaft, so that the kirschner wire clamped on the three-jaw chuck 5 is driven to rotate, and then the milling cutter 6 rotating at high speed above the three-jaw chuck is matched to complete thread milling and forming. When the thread milling assembly 4 works, the second servo motor 19 works, the output shaft of the second servo motor 19 drives the milling cutter 6 to rotate, and then the kirschner wire passing below is subjected to thread milling, so that the whole work of the equipment is completed.

Claims

1. A high-efficiency fixing tool for a crown type sterile Kirschner wire is characterized by comprising a working platform (1), a pushing assembly (2), a clamping assembly (3) and a thread milling assembly (4), wherein the working platform (1) is horizontally arranged, the pushing assembly (2) is fixedly arranged at the top of the working platform (1), the output end of the pushing assembly (2) can be horizontally arranged at the top of the working platform (1) in a sliding manner, the clamping assembly (3) is horizontally and fixedly arranged at the output end of the pushing assembly (2), the clamping assembly (3) is positioned above the pushing assembly (2), the thread milling assembly (4) is vertically arranged and the top of the working platform (1) is fixedly connected, the clamping assembly (3) comprises a three-jaw chuck (5) capable of clamping the Kirschner wire to be processed, the three-jaw chuck (5) is vertically and rotatably arranged at the output end of the pushing assembly (2), the thread milling assembly (4) comprises a vertical rotatable milling cutter (6), the milling cutter (6) is positioned right above an output shaft of the three-jaw chuck (5), and the milling cutter (6) is positioned on one side close to a thread end of the Kirschner wire.

2. The efficient fixing tool for the crown-type sterile Kirschner wire is characterized in that the pushing assembly (2) comprises a pushing block (7), a first servo motor (8), a threaded rod (9) and a mounting seat (10), the first servo motor (8) is horizontally and fixedly mounted at the top of the working platform (1), an output shaft of the first servo motor (8) points to the position of the milling cutter (6), the mounting seat (10) is vertically and fixedly arranged on the surface of the working platform (1), the threaded rod (9) is horizontally arranged right above the working platform (1), one end of the threaded rod (9) is fixedly connected with the output shaft of the first servo motor (8), the other end of the threaded rod (9) is rotatably connected with a bearing seat, the pushing block (7) is slidably arranged at the top of the working platform (1), and a threaded hole (11) penetrates through the pushing block (7), the push block (7) is in transmission connection with the threaded rod (9) through the threaded hole (11), and the clamping component (3) is installed on two side walls of the push block (7).

3. The efficient fixing tool for the crown-type sterile Kirschner wire according to claim 2, wherein a trapezoidal limiting block (12) is arranged at the bottom of the pushing block (7), a limiting sliding groove (13) in sliding fit with the trapezoidal limiting block (12) is arranged at the top of the working platform (1), and the length direction of the limiting sliding groove (13) is consistent with the axial direction of the threaded rod (9).

4. The efficient fixing tool for the crown-type sterile Kirschner wire according to claim 2, wherein the clamping assembly (3) further comprises a rotating motor (14), the rotating motor (14) is fixedly installed on the side wall of the push block (7), and the rotating motor (14) is in transmission connection with the three-jaw chuck (5).

5. The efficient fixing tool for the crown-type sterile Kirschner wire according to claim 1, wherein the output end of the three-jaw chuck (5) is provided with three elongated clamping jaws (15) which are annularly distributed along the axial direction of the three-jaw chuck (5), and the inner sides of the clamping jaws are provided with arc-shaped grooves (16) matched with the outer diameter of the Kirschner wire.

6. The efficient fixing tool for the crown-type sterile Kirschner wire according to claim 1, wherein a U-shaped mounting frame (17) is vertically arranged on the working platform (1), two foot bottoms of the U-shaped mounting frame (17) are fixedly connected with the top of the working platform (1), an arc-shaped limiting groove (18) capable of bearing a fixed end of the Kirschner wire is arranged at the top of the U-shaped mounting frame (17), and the axis of the arc-shaped limiting groove (18) is collinear with the axis of the Kirschner wire.

7. The efficient fixing tool for the crown-type sterile Kirschner wire according to claim 1, wherein the thread milling assembly (4) further comprises a second servo motor (19), one end, far away from the pushing assembly (2), of the top of the working platform (1) extends upwards to be fixedly provided with a vertical plate (20), a horizontal plate (21) is horizontally arranged at the top of one side, close to the clamping assembly (3), of the vertical plate (20) and extends towards the direction of the clamping assembly (3), the horizontal plate (21) is located right above the clamping assembly (3), the second servo motor (19) is vertically and fixedly installed at the top of the horizontal plate (21), and an output shaft of the second servo motor (19) penetrates through the horizontal plate (21) to be arranged downwards and is fixedly connected with the top of the milling cutter (6) through a coupler.