Tibia test mold processing tool

Abstract

The utility model provides a tibia trial mold machining tool and relates to the technical field of medical instruments. The tibia test mold machining tool comprises a first station clamp. The second station is provided with a clamp; the third station is provided with a clamp; according to the tibia trial mold machining tool, the clamps of the three stations are matched, so that the tool can meet the requirements of different machining stages, wide applicability is achieved, machining and accurate clamping of all parts of different specifications can be achieved, clamping stability is good, machining quality can be guaranteed, efficiency can be improved, and the tool is suitable for being popularized and applied. Therefore, the flexibility and the efficiency of the whole processing flow are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a tibia test mould processing frock. BACKGROUND

[0002] In the field of medical device manufacturing, especially for the processing of tibia test mould, precision and processing efficiency are crucial because they require very high precision and customization to adapt to different patient needs.

[0003] The traditional processing method relies on the shape profile and thickness of the parts after the initial processing stage to achieve accurate positioning and clamping. However, the lower inclined surface of these parts has a conical profile with different angles, and the profile and thickness of each part number differ, which results in the need to design and manufacture a separate frock for each part number during the processing process, totaling 78 different frocks to meet the processing needs. This method not only increases production costs but also reduces production efficiency; in addition, frequent frock changes can also increase errors during the processing process, affecting the quality and consistency of the final product.

[0004] Therefore, there is an urgent need for a processing frock that can adapt to various specifications of tibia test mould to simplify the production process, reduce costs, and improve processing efficiency and precision. SUMMARY

[0005] The technical problem to be solved by the utility model is that the conventional frock has poor universality and cannot adapt to different profile and thickness parts. The utility model provides a tibia test mould processing frock, which realizes accurate clamping of different specifications of products through the cooperation of the clamps of the three stations, has good clamping stability, and can ensure processing quality and improve efficiency.

[0006] The technical solution adopted by the utility model to solve its technical problem is:

[0007] A tibia test mould processing frock, comprising: a station one clamp; a station two clamp; the clamps all comprise a base; one end of the base is provided with a fixed structure, and the other end is provided with a sliding structure; the sliding structure can move close to or away from the fixed structure; and the two form a jaw; the sliding structure is slidably arranged on a threaded rod; the end of the threaded rod is provided with a clamping handle;

[0008] The fixed structure and the sliding structure of the station one clamp are both provided with a concave surface, and the clamping jaw forms a workpiece groove for placing workpieces;

[0009] The fixed structure of the station two clamp is provided with a clamping groove for placing workpieces;

[0010] The tooling further comprises a work station three-jaw chuck; the work station three-jaw chuck comprises a base; a support seat is fixedly installed on the base; two clamping blocks are slidably arranged on the support seat; the two clamping blocks are slidably arranged on a lead screw; two support blocks are fixedly installed on the two clamping blocks; a positioning protrusion is arranged on each support block, and the positioning protrusions on the two support blocks are C-shaped after being matched; and a workpiece bottom surface is provided with a positioning groove matched with the positioning protrusion.

[0011] Optionally, the fixing structure comprises a fixing clamp and a fixing block fixedly connected with the fixing clamp; the sliding structure comprises a moving clamp and a moving block fixedly connected with the moving clamp; and the fixing clamp and the moving clamp form the jaw.

[0012] Optionally, the concave surface of the work station one-jaw chuck is arranged on the upper surface of the fixing clamp and the moving clamp, and after the jaw is clamped, the two concave surfaces form a workpiece groove in which the workpiece can be placed.

[0013] Optionally, the concave surface comprises a clamping surface and a supporting surface; the clamping surface is matched with the bottom surface of the workpiece; and the supporting surface is matched with the side surface of the workpiece.

[0014] Optionally, the work station one-jaw chuck further comprises an equal-height block for elevating the workpiece.

[0015] Optionally, the clamping groove of the work station two-jaw chuck is arranged on the upper surface of the fixing clamp; and the shape of the clamping groove is matched with the machining shape of the bottom surface of the workpiece.

[0016] Optionally, the positioning protrusion in the work station three-jaw chuck comprises a transverse protrusion and a longitudinal protrusion; the transverse protrusion and the longitudinal protrusion are perpendicular and are connected as a whole; the positioning groove comprises a reference surface and a longitudinal groove; the reference surface on the workpiece is matched with the transverse protrusion after the two support blocks are matched; and the longitudinal groove on the workpiece is matched with the longitudinal protrusion of the two support blocks.

[0017] Optionally, the work station three-jaw chuck further comprises an inner support block, a limiting hole is arranged on the inner support block, a limiting block matched with the limiting hole is arranged on the bottom surface of the workpiece; and a supporting groove matched with the shape of the inner support block is arranged on the bottom surface of the workpiece.

[0018] The tibial test mold machining tooling has the advantages that:

[0019] The tibial test mold machining tooling has the advantages that:

[0020] Specifically, the fixture of the first station can closely fit the workpiece through the concave design on the fixed structure and the sliding structure, ensuring accurate positioning and stable clamping in the preliminary processing stage, and laying a solid foundation for subsequent processing.

[0021] The fixture of the second station realizes accurate placement of the workpiece through the clamping groove design, ensures positioning accuracy in the processing process, simplifies the clamping steps, and improves operation efficiency and convenience on the basis of the processing of the fixture of the first station.

[0022] The fixture of the third station is specially designed for 78 different tibial test mold parts, and provides stable support for the workpiece through the accurate cooperation of the positioning groove and the positioning protrusion, effectively reduces vibration and displacement in the processing process, ensures accurate positioning and clamping of the workpiece in the processing process, and significantly improves processing accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0023] The utility model will be further described below in combination with the drawings and examples.

[0024] Figure 1 is the assembly schematic view of the fixture of the first station and the workpiece of the utility model Figure One ;

[0025] Figure 2 is the assembly schematic view of the fixture of the first station and the workpiece of the utility model Figure Two ;

[0026] Figure 3 is the structural schematic view of the fixture of the second station of the utility model

[0027] Figure 4 is the assembly schematic view of the fixture of the second station and the workpiece of the utility model

[0028] Figure 5 is the structural schematic view of the workpiece after being processed by the fixture of the second station of the utility model

[0029] Figure 6 is the structural schematic view of the inner supporting block in the utility model

[0030] Figure 7 is the structural schematic view of the fixture of the third station of the utility model

[0031] Figure 8 is the assembly schematic view of the fixture of the third station and the workpiece of the utility model

[0032] In the figure: 1 - station one clamp; 11 - concave surface; 111 - clamping surface; 112 - support surface; 2 - station two clamp; 21 - clamping groove; 3 - station three clamp; 31 - base; 32 - support seat; 33 - clamping block; 34 - screw rod; 35 - support block; 36 - positioning protrusion; 361 - transverse protrusion; 362 - longitudinal protrusion; 37 - inner support block; 371 - limiting hole; 4 - base; 5 - fixed structure; 51 - fixed clamp; 52 - fixed block; 6 - sliding structure; 61 - moving clamp; 62 - moving block; 7 - threaded rod; 8 - clamping handle; 9 - workpiece; 91 - positioning groove; 911 - reference surface; 912 - longitudinal groove; 92 - limiting block; 93 - support groove. DETAILED DESCRIPTION

[0033] The utility model will be explained in further detail. The following described embodiments are exemplary, and are intended to explain the utility model, and can not be understood as the limitation of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0034] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are explained in detail below in conjunction with the drawings.

[0035] In order to solve the poor versatility of the conventional tooling in the prior art, the problem that different profile and thickness parts cannot be adapted, the utility model provides a tibial test mold processing tooling, referring to Figures 1-8 As shown, the tibial test mold processing tooling includes: station one clamp 1;Station two clamp 2;The clamp includes base 4;One end of base 4 is equipped with fixed structure 5, and the other end is equipped with sliding structure 6;Sliding structure 6 can move close to or away from fixed structure 5;And both form a jaw;Sliding structure 6 is slidably arranged on threaded rod 7;The end of threaded rod 7 is equipped with clamping handle 8;

[0036] Station one clamp 1 Fixed structure 5 and sliding structure 6 are both provided with concave surface 11, and the clamping jaw is formed with workpiece groove for placing workpiece 9;

[0037] The fixed structure 5 of station two clamp 2 is equipped with clamping groove 21 for placing workpiece 9;

[0038] The tooling further comprises a station three clamp 3; the station three clamp 3 comprises a base 31; a supporting seat 32 is fixedly installed on the base 31; two clamping blocks 33 are slidably arranged on the supporting seat 32; the two clamping blocks 33 are slidably arranged on a lead screw 34; two supporting blocks 35 are fixedly installed on the two clamping blocks 33; a positioning protrusion 36 is arranged on each supporting block 35; the shapes of the positioning protrusions 36 on the two supporting blocks 35 after being matched are C-shaped; and the bottom surface of the workpiece 9 is provided with a positioning groove 91 matched with the positioning protrusion 36.

[0039] The tibial test mold machining tooling can adapt to the requirements of different machining stages, has wide applicability, can realize machining and accurate clamping of all different specifications of parts, has good clamping stability, can ensure machining quality and improve efficiency, and thus improves flexibility and efficiency of the whole machining process.

[0040] The station two clamp 2 realizes accurate placement of the workpiece on the basis of the station one clamp 1, ensures positioning accuracy in the machining process, simplifies clamping steps, and improves operation efficiency and convenience.

[0041] The station three clamp 3 is specially designed for 78 different tibial test mold parts, accurately matches the positioning groove 91 and the positioning protrusion 36, provides stable support for the workpiece 9, effectively reduces vibration and displacement in the machining process, ensures accurate positioning and clamping of the workpiece 9 in the machining process, and thus significantly improves machining accuracy.

[0042] Specifically, the fixing structure 5 comprises a fixing clamp 51 and a fixing block 52 fixedly connected with the fixing clamp 51; the sliding structure 6 comprises a moving clamp 61 and a moving block 62 fixedly connected with the moving clamp 61; a clamp opening for clamping the workpiece 9 is formed between the fixing clamp 51 and the moving clamp 61; the clamp opening formed by the fixing clamp 51 and the moving clamp 61 cooperates with the concave surface 11 to accurately clamp the workpiece 9, wherein the clamping surface 111 is attached to the bottom surface of the workpiece 9, and the supporting surface 112 is attached to the side surface of the workpiece 9, and such a design improves the stability of clamping and machining accuracy.

[0043] The concave surface 11 of the station one clamp 1 is arranged on the upper surfaces of the fixing clamp 51 and the moving clamp 61, and after clamping the opening, the two concave surfaces 11 form a workpiece groove for placing the workpiece 9.

[0044] Further, the concave surface 11 comprises a clamping surface 111 and a supporting surface 112; the clamping surface 111 is attached to the bottom surface of the workpiece 9; and the supporting surface 112 is attached to the side surface of the workpiece 9; so that the station one clamp 1 can adapt to workpieces 9 of different shapes and thicknesses, and the versatility and adaptability of the station one clamp 1 are increased.

[0045] Further, the utility model preferred work position one anchor clamps 1 still include the equal height piece for the workpiece 9, can ensure the flatness and the consistency of the processing surface of workpiece 9, so that work position one anchor clamps 1 can firmly hold workpiece 9.

[0046] The utility model preferred work position two anchor clamps 2's clamping groove 21 is set up in the upper surface of fixed pincers 51, and the shape of clamping groove 21 is matched with the bottom surface processing shape of workpiece 9, so that work position two anchor clamps 2 can firmly hold workpiece 9, and be applicable to the workpiece 9 of a variety of thickness, improve the stability in processing process.

[0047] The utility model preferred work position three anchor clamps every support block 35 on positioning protruding 36 includes horizontal protruding 361 and longitudinal protruding 362, horizontal protruding 361 and longitudinal protruding 362 are perpendicular, and horizontal protruding 361 and longitudinal protruding 362 are connected as a whole, positioning recess 91 includes datum plane 911 and longitudinal recess 912, wherein, the datum plane 911 on workpiece is matched with the horizontal protruding 361 of the butt joint after two support blocks 35, and the longitudinal recess 912 on workpiece 9 is matched with the longitudinal protruding 362 of two support blocks 35, which provides accurate positioning and helps to improve the accuracy and efficiency in processing process.

[0048] Further, in order to prevent the clamping deformation of workpiece 9, the utility model preferred work position three anchor clamps 3 still include inner support block 37, and the inner support block 37 is applicable to all 78 piece numbers of the workpiece 9, a limiting hole 371 is formed on the inner support block 37, the bottom surface of workpiece 9 is provided with a limiting block 92 matched with the limiting hole 371, and the bottom surface of workpiece 9 is provided with a support recess 93 matched with the shape of inner support block 37.

[0049] The processing steps of the tool mainly include the following stages: firstly, in work position one anchor clamps, the workpiece 9 is clamped by the jaw formed by fixed pincers 51 and movable pincers 61, the clamping surface 111 and supporting surface 112 formed by concave surface 11 are attached to the bottom surface and side surface of workpiece 9, the jaw is locked by rotating clamping handle 8 to realize preliminary positioning and clamping, and then the workpiece 9 is milled; then, the milled workpiece is leveled by using the equal height piece to ensure the flatness and consistency of the processing surface of workpiece 9, and the workpiece 9 is clamped and milled by locking the jaw.

[0050] After work position one anchor clamps 1 are milled, workpiece 9 is turned over by 180°, in work position two anchor clamps 2, since the clamping groove 21 is matched with the surface shape of the workpiece 9 milled by work position one anchor clamps 1, accurate positioning and clamping can be realized, after the jaw is locked, the program is started to continue processing workpiece 9;

[0051] Finally, the inner support block 37 is put into the workpiece 9 machined in the second station clamp 2, and is put into the third station clamp 3; and the reference surface 911 on the workpiece 9 in the third station clamp 3 is abutted against the transverse protrusion 361 after the two support blocks 35 are closed; after the longitudinal recess 912 on the workpiece 9 is matched with the longitudinal protrusion 362 of the two support blocks 35, the third station clamp 3 is locked, the program is started to machine the workpiece 9, the program is ended, and all machining of the workpiece 9 is completed.

[0052] The above is the ideal embodiment of the present application, and the above description can be changed and modified without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A tibial cast molding tool, characterized by, The utility model relates to a workpiece clamping device, including: Station one clamp (1), station two clamp (2), the clamp all include base (4), one end of base (4) is equipped with fixed structure (5), and the other end is equipped with sliding structure (6), sliding structure (6) can be close to or far from fixed structure (5) movement, and both form jaw, sliding structure (6) is slidably arranged on threaded rod (7), and the end of threaded rod (7) is equipped with clamping handle (8), The fixed structure (5) and the sliding structure (6) of the station one clamp (1) are both provided with concave surfaces (11), and the clamping jaw forms a workpiece groove for placing the workpiece (9); The fixed structure (5) of the station two clamp (2) is provided with a clamping groove (21) for placing the workpiece (9); The tool also includes a station three clamp (3); the station three clamp (3) includes a base (31); the base (31) is fixedly installed with a support seat (32); the support seat (32) is slidably provided with two clamping blocks (33); the two clamping blocks (33) are slidably arranged on a lead screw (34); and the two clamping blocks (33) are fixedly installed with two support blocks (35); each support block (35) is provided with a positioning protrusion (36), and the positioning protrusions (36) on the two support blocks (35) are C-shaped after being overlapped.

2. The tibial cast machining fixture of claim 1 wherein, The fixed structure (5) includes a fixed jaw (51) and a fixed block (52) fixedly connected with the fixed jaw (51); the sliding structure (6) includes a moving jaw (61) and a moving block (62) fixedly connected with the moving jaw (61); the fixed jaw (51) and the moving jaw (61) form the jaw therebetween.

3. The tibial cast finishing tool of Claim 1 or 2, wherein, The concave surface (11) of the station one clamp (1) is provided on the upper surfaces of the fixed jaw (51) and the moving jaw (61), and after clamping the jaw, the two concave surfaces (11) form a workpiece groove for placing the workpiece (9).

4. The tibial cast finishing tool of Claim 3, wherein, The concave surface (11) includes a clamping surface (111) and a supporting surface (112); the clamping surface (111) is attached to the bottom surface of the workpiece (9); and the supporting surface (112) is attached to the side surface of the workpiece (9).

5. The tibial cast finishing tool of Claim 1, wherein, The station one clamp (1) further includes an equal-height block for elevating the workpiece (9).

6. The tibial cast finishing tool of Claim 3, wherein, The clamping groove (21) of the station two clamp (2) is provided on the upper surface of the fixed jaw (51); and the shape of the clamping groove (21) matches the machining shape of the bottom surface of the workpiece (9).

7. The tibial cast finishing tool of Claim 1, wherein, The positioning protrusion (36) of the station three-jaw fixture comprises a transverse protrusion (361) and a longitudinal protrusion (362); the transverse protrusion (361) and the longitudinal protrusion (362) are perpendicular and connected as a whole; the positioning groove (91) comprises a reference surface (911) and a longitudinal groove (912); wherein the reference surface (911) on the workpiece is in abutment with the transverse protrusion (361) after the two supporting blocks (35) are closed; the longitudinal groove (912) on the workpiece is matched with the longitudinal protrusion (362) of the two supporting blocks (35).

8. The tibial cast finishing tool of Claim 1, wherein, The station three-jaw fixture (3) further comprises an inner supporting block (37), the inner supporting block (37) is provided with a limiting hole (371), the bottom surface of the workpiece (9) is provided with a limiting block (92) matched with the limiting hole (371); and the bottom surface of the workpiece (9) is provided with a supporting groove (93) matched with the shape of the inner supporting block (37).

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