Tibia broach base tool

Abstract

The utility model relates to a tibia broach base tool. The tibia broach base tool mainly comprises a base, a clamping deformation part and a first positioning shoulder. The base serves as a basic part of the whole tool and provides support for other components. The clamping deformation parts extend outwards from the top of the base, are distributed in a circumferential array mode and are used for clamping the tibia broach. The first positioning shoulders are arranged on the two sides of the clamping deformation part and are in a splayed shape, and preliminary positioning of the broach is facilitated. The clamping device has the advantages of being accurate in positioning, stable and adjustable in clamping, resistant to abrasion, high in universality and the like, and the machining quality and efficiency of the tibia broach can be effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of machining tooling, and in particular to a base tooling for a tibia puller. Background Technology

[0002] During the manufacturing or use of tibial broaches, specialized tooling is required to secure the broach and ensure its stability and accuracy during machining operations. Traditional tooling may suffer from problems such as inaccurate positioning, insufficient or non-adjustable clamping force, and easy wear, thereby affecting the machining quality of the tibial broach and the service life of the tooling.

[0003] In view of this, it is necessary to develop a new type of tibialis suture base fixture to solve these problems. Summary of the Invention

[0004] The purpose of this invention is to provide a tibia broach base tooling that can provide stable positioning and clamping during the processing, ensuring processing accuracy and efficiency, so as to solve the above-mentioned technical problems.

[0005] To achieve the above technical solution, the technical solution of this utility model is as follows: This tibial puller base fixture mainly includes a base, a clamping deformation part, and a first positioning shoulder. The base serves as the foundation of the entire fixture, providing support for other components. The clamping deformation part extends outward from the top of the base in a circumferential array, used to clamp the tibial puller. The first positioning shoulder is located on both sides of the clamping deformation part, in a figure-eight shape, which helps to initially position the puller.

[0006] Furthermore, a square mounting and positioning block extends downward from the top of the base. This mounting and positioning block can be used to accurately install the tooling on the processing equipment or workbench, ensuring the installation position accuracy of the tooling and providing a stable foundation for subsequent broaching processing.

[0007] Furthermore, a triangular first positioning platform and a second positioning platform are provided on one side of the base, and the two are symmetrically arranged. These two positioning platforms play a key role in the positioning and engagement of the tooling with external equipment or other related components, improving the positioning accuracy of the tooling in complex machining environments. Simultaneously, a wear-resistant layer with a thickness of 0.1 micrometers is sprayed onto both the first and second positioning platforms. This wear-resistant layer effectively reduces wear caused by friction during use, extends the service life of the positioning platforms, and ensures long-term stable positioning accuracy.

[0008] Furthermore, deformation grooves are provided parallel to each other along the axial direction between adjacent clamping deformation parts, providing deformation space for the clamping deformation parts when subjected to external force. A through-hole is provided at the top of the clamping deformation part in the radial direction, which helps to further adjust the deformation characteristics of the clamping deformation part.

[0009] Furthermore, a deformation plate is embedded in the clamping deformation part. The deformation plate includes an insulating layer and a deformation layer bonded together in sequence, wherein the deformation layer is a square piezoelectric ceramic. When a voltage is applied to the piezoelectric ceramic, it deforms, thereby driving the clamping deformation part to produce a corresponding clamping action. This clamping method, which utilizes the properties of piezoelectric ceramics, allows for precise control of the clamping force and can be flexibly adjusted according to different broach sizes and processing requirements. In addition, one end of the clamping deformation part is curved near the axis. This curved surface design facilitates better conformation to the shape of the tibia broach, improving the stability and reliability of the clamping.

[0010] Furthermore, the first positioning shoulder has a rounded corner on one side, and the angle between the first positioning shoulder and the top surface of the base is 49°. This special angle and rounded corner design allows the broach to contact the positioning shoulder more smoothly during installation, and at the same time, it can more accurately position the broach and prevent it from shifting during processing.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1) The design of the first positioning shoulder, the first positioning table and the second positioning table enables precise positioning of the tibia broach, effectively preventing the broach from shifting during the machining process, ensuring machining accuracy and improving the quality of the tibia broach.

[0013] 2) Clamping is achieved by using the clamping deformation part and the embedded deformation plate (piezoelectric ceramic), which can not only provide a stable clamping force, but also precisely adjust the clamping force according to different broach sizes and processing requirements, adapting to various processing scenarios, while ensuring the stability of the broach during the processing.

[0014] 3) The wear-resistant layers on the first and second positioning surfaces significantly reduce wear on the tooling during use, extend the tooling's service life, reduce usage costs, and ensure long-term stable positioning accuracy of the tooling.

[0015] 4) The structural design of this tooling enables it to adapt to different types and sizes of tibia cutters, and it has broad application prospects in the field of tibia cutter manufacturing and use.

[0016] In summary, this tibia broach base fixture has advantages such as accurate positioning, stable and adjustable clamping, wear resistance, and strong versatility, which can effectively improve the processing quality and efficiency of tibia broaches. Attached Figure Description

[0017] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0018] Figure 1 A 3D drawing of the tibialis retractor base fixture. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] Please see the appendix Figure 1 As shown: A tibia broach base fixture includes a base 1; a clamping deformation part 2 extends outward from the top of the base 1; the clamping deformation parts 2 are arranged in a circumferential array; and the clamping deformation parts 2 have first positioning shoulders 3 arranged in a V-shape on both sides. The V-shape of the first positioning shoulders provides high-precision initial positioning for the machining of the tibia broach, greatly ensuring the accuracy of subsequent machining operations and improving the machining quality of the tibia broach.

[0022] Based on the above embodiments, the base 1 has a square mounting and positioning block 11 extending downward from the top; the base 1 has a triangular first positioning platform 12 and a second positioning platform 13 on one side; the first positioning platform 12 and the second positioning platform 13 are symmetrically arranged.

[0023] Based on the above embodiments, both the first positioning platform 12 and the second positioning platform 13 are coated with a wear-resistant layer with a thickness of 0.1 micrometers.

[0024] Based on the above embodiment, deformation grooves 21 are provided parallel to each other along the axial direction between adjacent clamping deformation parts 2; a through-hole 22 is provided at the top of each clamping deformation part 2 along the radial direction; a deformation piece 23 is embedded in each clamping deformation part 2; and one end of each clamping deformation part 2 is arranged on an arc surface near the axis. The circumferential array of clamping deformation parts is arranged on the top of the base. This layout allows for clamping force to be applied to the tibia broach from multiple directions, ensuring the stability of the broach during processing. During clamping, the deformation grooves between adjacent clamping deformation parts are arranged parallel to each other along the axial direction, providing sufficient deformation space for the clamping deformation parts when subjected to external force, enabling them to better adapt to changes in the shape and size of the broach.

[0025] Based on the above embodiments, the deformation piece 23 includes an insulating layer and a deformation layer sequentially bonded together; the deformation layer is a square piezoelectric ceramic. The radially penetrating elongated hole at the top of the clamping deformation part and the embedded deformation piece (the deformation layer composed of the insulating layer and the square piezoelectric ceramic) work together to achieve adjustable clamping force. By applying voltage to the piezoelectric ceramic to control its deformation, the magnitude of the clamping force can be precisely adjusted. This ensures that tibial broaches of different specifications are firmly clamped while avoiding damage to the broaches due to excessive clamping force, effectively improving stability during processing.

[0026] Based on the above embodiment, the first positioning shoulder 3 is provided with a rounded corner on one side, and the angle between the first positioning shoulder 3 and the top surface of the base 1 is 49°.

[0027] During installation of this novel tooling: The tooling is mounted on the corresponding worktable of the tibia broaching tool processing equipment via the square mounting positioning block on the base. The positioning structure on the processing equipment cooperates with the tooling's mounting positioning block to ensure accurate tooling positioning. Simultaneously, the first and second positioning table surfaces are ensured to make good contact with the corresponding positioning components on the processing equipment, guaranteeing the tooling's horizontal positioning accuracy. During installation, measuring tools can be used to calibrate the tooling's installation position, ensuring that the installation error is within the allowable range, providing a stable foundation for subsequent broaching processing. The tibia broach is placed within the space enclosed by the clamping deformation section, with one end of the broach contacting the first positioning shoulder. Due to the special angle and arc design of the first positioning shoulder, the broach can smoothly slide into the correct position. The first positioning shoulder provides initial positioning of the broach, preventing radial displacement. An appropriate voltage is applied to the deformation plate (piezoelectric ceramic) in the clamping deformation section, causing the piezoelectric ceramic to deform and drive the clamping deformation section to contract towards the center, thereby clamping the tibia broach. By adjusting the voltage, the clamping force can be precisely controlled to accommodate different types and sizes of tibia broaches. During clamping, the deformation grooves between the clamping deformation parts, the elongated hole at the top, and the arc-shaped design at one end allow the clamping deformation parts to better adapt to the shape of the broach, achieving stable and uniform clamping.

[0028] When used in the processing of a broach, this invention ensures that the broach maintains accurate position and posture during broaching operations (such as broaching), thanks to the stable positioning and clamping of the fixture. Simultaneously, the wear-resistant layers on the first and second positioning surfaces reduce wear between the fixture and external equipment, guaranteeing long-term positioning accuracy. After a period of use, the fixture needs to be inspected and maintained. Check the clamping effect of the clamping deformation part; if necessary, recalibrate the voltage parameters of the deformation plate. Also, check the wear condition of the wear-resistant layers on the first and second positioning surfaces; if wear is severe, consider recoating the wear-resistant layer. For components such as the base and clamping deformation part, check for damage or deformation; repair or replace any damaged or deformed parts promptly.

[0029] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art should be able to make equivalent embodiments by making some changes or modifications to the above-disclosed technical content without departing from the scope of the present invention. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A fixture for a tibialis retractor base, characterized in that, Includes a base (1); the top of the base (1) extends outward and is provided with a clamping deformation part (2); the clamping deformation part (2) is arranged in a circumferential array; the clamping deformation part (2) is provided with a first positioning shoulder (3) on both sides in a figure-eight shape.

2. The tibia retractor base fixture as described in claim 1, characterized in that: The base (1) has a square mounting and positioning block (11) extending downward from the top; the base (1) has a triangular first positioning platform (12) and a second positioning platform (13) on one side; the first positioning platform (12) and the second positioning platform (13) are symmetrically arranged.

3. The tibia retractor base fixture as described in claim 2, characterized in that: Both the first positioning platform (12) and the second positioning platform (13) are coated with a wear-resistant layer with a thickness of 0.1 micrometers.

4. The tibia puller base fixture as described in claim 1, characterized in that: A deformation groove (21) is provided parallel to the axis between adjacent clamping deformation parts (2); a through elongated hole (22) is provided on the top of the clamping deformation part (2) in the radial direction; a deformation piece (23) is embedded on the clamping deformation part (2); one end of the clamping deformation part (2) is arranged on an arc surface near the axis.

5. The tibia retractor base fixture as described in claim 4, characterized in that: The deformable sheet (23) includes an insulating layer and a deformable layer bonded together in sequence; the deformable layer is a square piezoelectric ceramic.

6. The tibia retractor base fixture as described in claim 1, characterized in that: The first positioning shoulder (3) has a rounded corner on one side, and the angle between the first positioning shoulder (3) and the top surface of the base (1) is 49°.

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