CN221363783U

CN221363783U - Five-axis exchange fixture

Info

Publication number: CN221363783U
Application number: CN202323024117.7U
Authority: CN
Inventors: 冯广根; 冯建中; 李仕豪
Original assignee: Asia America Industrial Manufacture Inc
Current assignee: Asia America Industrial Manufacture Inc
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-07-19
Anticipated expiration: 2033-11-08

Abstract

The utility model relates to a five-axis exchange clamp, which comprises a C-axis workbench, wherein at least one assembly groove is arranged on the C-axis workbench along the radial line of the C-axis workbench; further comprises: the flange fixing base is connected with the assembly groove in a sliding manner through a positioning block and is detachably locked on the C-axis workbench through a connecting piece; the fixture exchange seat is detachably locked on the flange fixing base and is provided with a first positioning boss and a mounting hole; the first positioning boss is used for workpiece alignment and placement; the mounting hole penetrates through the clamp exchanging seat along the thickness direction of the clamp exchanging seat so as to lock the workpiece. The five-axis exchange fixture is provided with the flange fixing base and the fixture exchange base which are assembled on the C-axis workbench in sequence, and the fixture exchange base can design an alignment structure according to the actual structure of a workpiece, so that the clamping efficiency is effectively improved; the flange fixing base can slide on the C-axis workbench along the assembly groove through the positioning block, so that circle center alignment procedures are facilitated, and positioning accuracy is improved.

Description

Five-axis exchange fixture

Technical Field

The utility model relates to the technical field of five-axis machine tool fixtures, in particular to a five-axis interchangeable fixture.

Background

The five-axis machine tool is an advanced numerical control machine tool, and can move tools on a plurality of coordinate axes simultaneously so as to realize complex workpiece processing. Five-axis machines typically use a clamp or clamp system to secure a workpiece to ensure that the workpiece remains in a stable and accurate position during machining.

For a workpiece with a cylindrical structure, the existing clamp is generally provided with a groove structure or a bolt structure matched with the workpiece to lock the workpiece, and the clamp is assembled on a C-axis workbench of a five-axis machine tool after being locked with the workpiece. The five-axis machining improves the manufacturing precision and the price of the clamp jig, and the clamp jig with high cost performance and excellent manufacturing is difficult to purchase in a limited market. Therefore, a mounting seat is additionally designed by a processing manufacturer to be connected with the C-axis workbench, a plurality of models are designed by the clamp seat according to the same series of products with different specifications, and the clamp seat and the mounting seat are assembled quickly, so that the aim of improving the assembly efficiency in limited cost is fulfilled. However, the structure needs to be assembled repeatedly in the production process, and the center deviation of the workpiece on the C-axis workbench can occur due to factors such as machining deviation and the like, so that the machining precision is affected. Thus, improvements are needed.

Disclosure of utility model

Based on the above, the present utility model provides a five-axis interchangeable jig to solve the above-mentioned problems.

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

The five-axis exchange clamp comprises a C-axis workbench, wherein at least one assembly groove is formed in the C-axis workbench along a radial line of the C-axis workbench; further comprises:

The flange fixing base is connected with the assembly groove in a sliding manner through a positioning block and is detachably locked on the C-axis workbench through a connecting piece;

the fixture exchange seat is detachably locked on the flange fixing base, and is provided with a first positioning boss and a mounting hole; the first positioning boss is used for workpiece alignment and placement; the mounting hole penetrates through the clamp exchanging seat along the thickness direction of the clamp exchanging seat so as to be used for locking a workpiece.

Further, the assembly grooves are formed in four and circumferentially distributed on the C-axis workbench.

Further, the assembly groove is a T-shaped groove, and an opening of the assembly groove upwards penetrates through the upper end face of the C-axis workbench.

Further, the positioning block is matched with the opening of the assembly groove, and is locked on the lower end face of the flange fixing base through a first screw.

Further, the connecting piece is a T-shaped sliding block which is in sliding connection with the assembly groove, and a second assembly hole is formed in the connecting piece; the flange fixing base is provided with a third assembly hole; the second assembly hole is connected with the third assembly hole through a second screw.

Further, a fourth assembly hole is formed in the upper end face of the flange fixing base; a fifth assembly hole is formed in the clamp exchange seat; the fourth assembly hole and the fifth assembly hole are connected through a third screw.

Further, a second positioning boss is arranged on the upper end face of the flange fixing base; a positioning groove is formed in the lower end face of the clamp exchange seat; the positioning groove is matched with the second positioning boss.

Further, the mounting hole is used for allowing a fourth screw to pass through to be connected with a workpiece.

The utility model has the beneficial effects that:

The five-axis exchange fixture is provided with the flange fixing base and the fixture exchange base which are assembled on the C-axis workbench in sequence, and the fixture exchange base can design an alignment structure according to the actual structure of a workpiece, so that the clamping efficiency is effectively improved; the assembly groove is formed in the C-axis workbench, the positioning block is arranged on the lower end face of the flange fixing base, and the flange fixing base can slide on the C-axis workbench along the assembly groove through the positioning block, so that a circle center alignment procedure is facilitated, positioning accuracy is improved, and influence of circle center inaccuracy caused by machining deviation is reduced; and through selecting the T type slider to use as the connecting piece, can twist in advance when the centre of a circle aligns, this connecting piece can follow flange fixed base and slide in the assembly groove when sliding, can lock immediately after aligning, has realized efficient detachable assembly for this exchanges anchor clamps and reaches the purpose of simplifying, immobilization, accurate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the overall explosive structure of the present utility model;

fig. 4 is a schematic view of the overall explosive structure according to another view of the present utility model.

10. A C-axis workbench; 11. an assembly groove;

20. A flange fixing base; 20a, a first assembly hole; 21. a positioning block; 22. a connecting piece; 22a, a second assembly hole; 23. a third fitting hole; 24. a fourth fitting hole; 25. a second positioning boss;

30. The clamp exchanges the seat; 31. a first positioning boss; 32. a mounting hole; 33. a fifth fitting hole; 34. a positioning groove;

40. A first screw; 41. a second screw; 42. a third screw; 43. a fourth screw;

50. A workpiece.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

As shown in fig. 1-4, a five-axis interchangeable fixture includes a C-axis table 10; the flange fixing base 20 and the clamp exchanging seat 30 are also included;

At least one assembly groove 11 is arranged on the C-axis workbench 10 along the radial line of the C-axis workbench; in this embodiment, the four assembly slots 11 are arranged, and are circumferentially distributed on the C-axis worktable 10 by taking the center of the C-axis worktable 10 as a circle point; the assembly groove 11 is a T-shaped groove, and an opening of the assembly groove upwards penetrates through the upper end surface of the C-axis workbench 10;

The flange fixing base 20 is slidably connected with the assembly groove 11 through a positioning block 21 and is detachably locked on the C-axis workbench 10 through a connecting piece 22;

In this embodiment, the positioning block 21 is engaged with the opening of the assembly groove 11, and is locked to the lower end surface of the flange fixing base 20 by a first screw 40; specifically, the lower end surface of the flange fixing base 20 is provided with a first assembly hole 20a, and a first screw 40 passes through the positioning block 21 from bottom to top to lock the positioning block 21 upwards into the first assembly hole 20a of the flange fixing base 20;

The connecting piece 22 is a T-shaped slider slidingly connected with the assembly groove 11, and is provided with a second assembly hole 22a; the flange fixing base 20 is provided with a third assembly hole 23; the second assembly hole 22a and the third assembly hole 23 are connected through a second screw 41;

Because the C-axis table 10 is assembled on the apparatus, and the flange fixing base 20 and the fixture exchanging base 30 are designed according to the fitting of the workpiece 50, repeated assembly is required in the production process, and because of factors such as machining deviation, the workpiece 50 has a circle center deviation on the C-axis table 10, the workpiece 50 is subjected to circle center correction before machining; the assembly groove 11 is formed in the C-axis workbench 10, the positioning block 21 is arranged on the lower end face of the flange fixing base 20, the flange fixing base 20 can slide on the C-axis workbench 10 along the assembly groove 11 through the positioning block 21, so that a circle center alignment process is facilitated, positioning accuracy is improved, and influence of inaccurate circle centers caused by machining deviation is reduced; by selecting the T-shaped sliding block as the connecting piece 22, the connecting piece 22 can be pre-screwed when the circle centers are aligned, and can slide in the assembly groove 11 along with the flange fixing base 20 when sliding, and can be immediately locked after alignment, so that efficient detachable assembly is realized;

The fixture exchanging seat 30 is detachably locked on the flange fixing base 20, and a first positioning boss 31 and a mounting hole 32 are arranged on the fixture exchanging seat 30; the first positioning boss is used for positioning and placing the workpiece 50; the mounting hole 32 penetrates through the fixture exchange seat 30 along the thickness direction of the fixture exchange seat 30 so as to be used for locking the workpiece 50;

for the detachable locking mode of the fixture exchange seat 30 on the flange fixing base 20, a fourth assembly hole 24 is formed in the upper end surface of the flange fixing base 20; a fifth assembly hole 33 is formed in the fixture exchange seat 30; the fourth assembly hole 24 and the fifth assembly hole 33 are connected by a third screw 42; after the fixture exchange seat 30 is aligned and placed on the flange fixing base 20, the fixture exchange seat 30 can be assembled by screwing the third screw 42 after sequentially penetrating through the fifth assembly hole 33 and the fourth assembly hole 24 from top to bottom;

to further improve the assembly efficiency of the fixture exchange seat 30, the upper end surface of the flange fixing base 20 is provided with a second positioning boss 25; the lower end surface of the fixture exchange seat 30 is provided with a positioning groove 34; the positioning groove 34 is matched with the second positioning boss 25; the fourth and fifth assembly holes 33 can be aligned by being aligned along the second positioning boss 25 during placement, and additional screwing is not required;

In this embodiment, the mounting hole 32 is used for the fourth screw 43 to pass through to be connected with the workpiece 50, when the workpiece 50 is fed, the workpiece 50 is first aligned to the first positioning boss to be placed in, and then the fourth screw 43 is used for passing through from the lower direction of the mounting hole 32 to be screwed with the workpiece 50, so as to complete the locking of the workpiece 50 and the fixture exchange seat 30; the fixture exchange holder 30 is then locked to the flange-fixing base 20 to complete the entire assembly, and the machining is started.

The five-axis exchanging clamp is provided with the flange fixing base 20 and the clamp exchanging base 30 which are sequentially assembled on the C-axis workbench 10, and the clamp exchanging base 30 can design an alignment structure according to the actual structure of the workpiece 50, so that the aim of rapid assembly is fulfilled; the assembly groove 11 is formed in the C-axis workbench 10, the positioning block 21 is arranged on the lower end face of the flange fixing base 20, and the flange fixing base 20 can slide on the C-axis workbench 10 along the assembly groove 11 through the positioning block 21, so that a circle center alignment procedure is facilitated, positioning accuracy is improved, and influence of inaccurate circle centers caused by machining deviation is reduced; by selecting the T-shaped sliding block as the connecting piece 22, the connecting piece 22 can be pre-screwed when the circle centers are aligned, and the connecting piece 22 can slide in the assembly groove 11 along with the flange fixing base 20 when sliding, and can be immediately locked after alignment, so that efficient detachable assembly is realized.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The five-axis exchange clamp comprises a C-axis workbench and is characterized in that at least one assembly groove is formed in the C-axis workbench along a radial line of the C-axis workbench; further comprises:

2. The five-axis interchangeable fixture of claim 1 wherein the assembly slots are four and are circumferentially distributed on the C-axis table.

3. A five-axis interchangeable fixture according to claim 1 or 2, wherein the fitting groove is a T-shaped groove having an opening penetrating upward through an upper end face of the C-axis table.

4. A five-axis interchangeable fixture according to claim 3, wherein the positioning block is engaged with the opening of the fitting groove and is locked to the lower end surface of the flange fixing base by a first screw.

5. A five-axis interchangeable fixture according to claim 3, wherein the connecting member is a T-shaped slider slidably connected to the fitting groove, and a second fitting hole is provided thereon; the flange fixing base is provided with a third assembly hole; the second assembly hole is connected with the third assembly hole through a second screw.

6. The five-axis interchangeable fixture according to claim 1, wherein the upper end surface of the flange fixing base is provided with a fourth assembly hole; a fifth assembly hole is formed in the clamp exchange seat; the fourth assembly hole and the fifth assembly hole are connected through a third screw.

7. The five-axis exchange clamp according to claim 1 or 6, wherein the upper end surface of the flange fixing base is provided with a second positioning boss; a positioning groove is formed in the lower end face of the clamp exchange seat; the positioning groove is matched with the second positioning boss.

8. A five axis interchangeable fixture according to claim 1 wherein the mounting hole is for a fourth screw to pass through to interface with a workpiece.