CN220007441U - But quick replacement's fixed frock - Google Patents

Abstract

The utility model discloses a quick-replaceable fixing tool which comprises a fixing plate frame, wherein a two-way threaded rod is arranged in the middle of the fixing plate frame, two first linkage blocks are symmetrically arranged on the two-way threaded rod, second linkage blocks are arranged on one side, away from the first linkage blocks, of the second linkage blocks, a poking foot is arranged on one side of the bottom end of the second linkage blocks, poking grooves are formed in the matched parts of the first linkage blocks and the poking foot, and limiting blocks are arranged on one side, opposite to the first linkage blocks, of the second linkage blocks. The beneficial effects are that: according to the utility model, through the matching design of the bidirectional threaded rod, the first linkage block, the second linkage block, the limiting block and the limiting groove, the two linkage blocks can slide conveniently and rapidly when the bidirectional threaded rod rotates, so that the four workpieces can be clamped and limited conveniently and replaced simultaneously, and the replacement and clamping efficiency of spline workpieces on the fixed tool are greatly improved.

Description

But quick replacement's fixed frock

Technical Field

The utility model relates to the technical field of machining fixed tools, in particular to a fixed tool capable of being replaced quickly.

Background

In the machining process of the spline workpiece, in order to avoid shaking of the workpiece in the machining process, a fixed tool is required to be used for clamping the workpiece.

The fixed frock that is used for centre gripping spline class work piece mainly adopts three-jaw chuck type's clamp structure, and the fixed frock of above-mentioned structural style is although can realize the clamp of spline class work piece, but the fixed frock of above-mentioned structure only can realize the clamp of a spline class work piece once in the use, when changing the spline class work piece on the fixed frock simultaneously, need screw the transmission screw on the frock one by one and realize taking of spline class work piece, leads to fixed frock to change the work piece comparatively inconvenient when using, has reduced the change and the clamping efficiency to the work piece.

Disclosure of Invention

First, the technical problem to be solved

Aiming at the current state of the art, the utility model provides a quick-replaceable fixing tool with high workpiece clamping and replacing efficiency.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a quick-replaceable fixing tool which comprises a fixing plate frame, wherein a two-way threaded rod is arranged in the middle of the fixing plate frame, two first linkage blocks are symmetrically arranged on the two-way threaded rod, a second linkage block is arranged on one side, away from the first linkage block, of the two linkage blocks, a poking foot is arranged on one side of the bottom end of the second linkage block, a poking groove is formed in a position, matched with the poking foot, of the first linkage block, a limiting block is arranged on one side, opposite to the first linkage block, of the second linkage block, a workpiece is arranged between the limiting block and the fixing plate frame, a limiting groove is formed in a position, connected with the limiting block, of the workpiece, and a hexagonal rotating head is arranged at the power input end of the two-way threaded rod.

Further, the two sections of threads with opposite screwing directions are arranged on the two-way threaded rod, and the two sections of threads on the two-way threaded rod are respectively screwed with the linkage block.

Through adopting above-mentioned technical scheme, design like this can be when two the rotation of two-way threaded rod realize that two the same direction or the back of linkage piece are removed.

Furthermore, the middle part of the fixed plate frame is positioned at the position of the bidirectional threaded rod and adopts a concave structure, and the bottom end of the fixed plate frame is of a solid structure except for being right opposite to the workpiece position.

Through adopting above-mentioned technical scheme, design like this can ensure the fixed grillage is fixed in convenient installation when using.

Furthermore, the poking feet are in sliding connection with the poking grooves, and the poking grooves and the poking feet are of inclined structures.

Through adopting above-mentioned technical scheme when the linkage piece is first remove, through dial the foot with dial the relative slip in groove can realize the convenient slip of linkage piece two to realize convenient centre gripping and change the work piece under the effect of linkage piece two.

Further, the limiting block is formed on the second linkage block, and the limiting block adopts an inclined structure.

By adopting the technical scheme, the limiting block can be reliably fixed.

Further, the limiting groove is formed in the workpiece, and the size of the limiting groove is matched with that of the limiting block.

By adopting the technical scheme, the stable clamping of the second pair of the linkage blocks to the workpiece can be ensured through the design.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

in order to solve the problem that the existing fixing tool for clamping spline workpieces mainly adopts a three-jaw chuck type clamping structure, although the fixing tool in the structure can clamp the spline workpieces, the fixing tool in the structure can only clamp one spline workpiece at a time in the use process, meanwhile, when the spline workpieces on the fixing tool are replaced, the driving screw on the tool is required to be screwed one by one to achieve taking of the spline workpieces, so that the fixing tool is inconvenient to replace the workpieces in use, and the problems of workpiece replacement and clamping efficiency are reduced.

Drawings

FIG. 1 is a schematic structural view of a quick-replaceable fixture according to the present utility model;

FIG. 2 is a schematic structural view of a second linkage block in a quick-replaceable fixture according to the present utility model;

FIG. 3 is a schematic view of the structure of a workpiece in a quick-replaceable fixture according to the present utility model;

fig. 4 is a schematic structural view of a first linkage block in a quick-replaceable fixing tool according to the present utility model.

The reference numerals are explained as follows:

1. a workpiece; 2. a fixed plate frame; 3. a first linkage block; 4. a hexagonal rotating head; 5. a second linkage block; 6. a two-way threaded rod; 7. foot pulling; 8. a limiting block; 9. a limit groove; 10. and (5) groove pulling.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-4, a quick-replaceable fixing tool in this embodiment includes a fixing plate frame 2, a bidirectional threaded rod 6 is installed in the middle of the fixing plate frame 2, two first linkage blocks 3 are symmetrically distributed on the bidirectional threaded rod 6, one side far away from the first linkage blocks 3 is provided with second linkage blocks 5, one side of the bottom end of each second linkage block 5 is provided with a poking foot 7, a poking groove 10 is formed in a matching position of each first linkage block 3 and each poking foot 7, a limiting block 8 is arranged on one side, opposite to the first linkage blocks 3, of each second linkage block 5, a workpiece 1 is arranged between each limiting block 8 and the fixing plate frame 2, a limiting groove 9 is formed in a joint of each workpiece 1 and each limiting block 8, a hexagon head 4 is arranged at a power input end of each bidirectional threaded rod 6, two threads with opposite rotation directions are respectively connected with the corresponding first linkage blocks 3, and the two first linkage blocks 3 can move in the same direction or back direction through the corresponding design when the corresponding second bidirectional threaded rods 6 rotate, and when the first linkage blocks 3 move, the second linkage blocks 5 can slide relatively through the poking feet 7 and the corresponding poking grooves 10, and accordingly the second linkage blocks 5 can be conveniently and rapidly replaced.

As shown in fig. 1-4, in this embodiment, the middle part of the fixing plate frame 2 is located at the position of the bidirectional threaded rod 6, the bottom end of the fixing plate frame 2 is of a solid structure except for the position opposite to the workpiece 1, so that the fixing plate frame 2 can be conveniently and fixedly installed, the poking foot 7 is slidably connected with the poking groove 10, the poking groove 10 and the poking foot 7 are both of inclined structures, the limiting block 8 is formed on the second linkage block 5, the limiting block 8 is of inclined structures, reliable fixing of the limiting block 8 can be achieved, the limiting groove 9 is formed on the workpiece 1, the size of the limiting groove 9 is matched with that of the limiting block 8, and stable clamping of the second linkage block 5 to the workpiece 1 can be ensured by design.

The specific implementation process of this embodiment is as follows: when the novel spline workpiece 1 is used, the fixed plate frame 2 is fixed at a corresponding position on machining equipment, then the spline workpiece 1 is placed between the linkage block two 5 and the fixed plate frame 2, at the moment, the linkage block one 3 is in contact with the middle of the fixed plate frame 2, after the spline workpiece 1 is placed, the linkage block one 3 can slide conveniently under the action of the bidirectional threaded rod 6 only by rotating the hexagonal rotary head 4 through an external tool, the linkage block one 3 pushes the linkage block two 5 to one side, close to the spline workpiece 1, under the cooperation of the poking foot 7 and the poking groove 10, in the sliding process, so that the synchronous clamping and fixing of the four spline workpieces 1 are realized, then corresponding machining operation can be carried out on the spline workpiece 1, and when the spline workpiece 1 needs to be replaced, the linkage block two 5 and the spline workpiece 1 can be separated by rotating the bidirectional threaded rod 6 in the reverse direction, so that the spline workpiece 1 can be replaced conveniently.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. But quick replacement's fixed frock, its characterized in that: including fixed grillage (2), fixed grillage (2) mid-mounting has two threaded rods (6), wherein two linkage piece one (3) have been set up to the symmetry on threaded rod (6), keep away from one side of linkage piece one (3) is provided with linkage piece two (5), linkage piece two (5) bottom one side is provided with dials foot (7), on linkage piece one (3) with dial foot (7) cooperation position and seted up dial groove (10), linkage piece two (5) are facing away linkage piece one (3) one side is provided with stopper (8), stopper (8) with be provided with work piece (1) between fixed grillage (2), on work piece (1) with stopper (8) link to each other the department and seted up spacing groove (9), the power input of threaded rod (6) is provided with hexagonal rotating head (4).

2. The quick-change fixing tool according to claim 1, wherein: the two-way threaded rod (6) is provided with two sections of threads with opposite screwing directions, and the two sections of threads on the two-way threaded rod (6) are respectively screwed with the first linkage block (3).

3. The quick-change fixing tool according to claim 1, wherein: the middle part of the fixed plate frame (2) is positioned at the position of the bidirectional threaded rod (6) and adopts a concave structure, and the bottom end of the fixed plate frame (2) is of a solid structure except for being right opposite to the position of the workpiece (1).

4. The quick-change fixing tool according to claim 1, wherein: the poking foot (7) is in sliding connection with the poking groove (10), and the poking groove (10) and the poking foot (7) are of inclined structures.

5. The quick-change fixing tool according to claim 1, wherein: the limiting block (8) is formed on the second linkage block (5), and the limiting block (8) adopts an inclined structure.

6. The quick-change fixing tool according to claim 1, wherein: the limiting groove (9) is formed in the workpiece (1), and the size of the limiting groove (9) is matched with that of the limiting block (8).