CN220029829U - Annular metal workpiece fixing tool - Google Patents

Abstract

The utility model relates to the field of part machining and discloses an annular metal workpiece fixing tool which comprises a base, wherein a movable seat capable of sliding is connected to the base through a displacement structure, an expansion structure is arranged above the movable seat, an electric telescopic rod is fixedly arranged in the movable seat, the electric telescopic rod is connected with the expansion structure, when the annular workpiece is required to be fixed, the annular workpiece is prevented from being arranged on the outer side of the expansion structure, at the moment, the expansion structure is driven by the electric telescopic rod to expand outwards until the expansion structure is attached to the inner wall of the annular workpiece, the annular workpiece is fixed, and then the transverse position of the movable seat is adjusted by the displacement structure, so that the position of the annular workpiece is adjusted, and the annular workpiece can be conveniently machined subsequently.

Description

Annular metal workpiece fixing tool

Technical Field

The utility model relates to the field of part machining, in particular to an annular metal workpiece fixing tool.

Background

When the parts are machined, the tools are required to be used for fixing the parts, the outer wall surfaces of the parts are polished after the fixing is finished, the shapes of the parts are quite different, and the parts with multiple groups of shapes such as round, annular or rectangular exist, and when annular workpieces are fixed, the parts are like Chinese patent: CN203599562U is an annular workpiece clamping device, which belongs to the field of machine tool chucks. Including annular chuck, three clamp still includes three arc card pad and elastic component, three clamp evenly distributed passes the chuck along radial spiral on the circumference of chuck, the arc card pad sets up the one end that is located the chuck at the clamp, the elastic component sets up between card pad and clamp, the chuck is concentric circle mode distribution with the arc card pad. The utility model has the advantages of simple structure, stable workpiece clamping and no damage to the workpiece, the device clamps the outer wall surface of the annular workpiece through the three arc clamping blocks, but the device can shield the outer wall surface of the annular workpiece when clamping the annular workpiece, so that when the outer wall surface of the annular workpiece is processed, the clamping surface needs to be loosened and replaced after one area is processed, the previous clamping surface is processed, and the outer wall surface of the annular workpiece is inconvenient to process, and therefore, the annular metal workpiece fixing tool is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an annular metal workpiece fixing tool, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an annular metal work piece fixed frock, includes the base, be connected with the movable seat that can slide through displacement structure on the base, the top of movable seat is provided with expansion structure, the inside fixed mounting who removes the seat has electric telescopic handle, electric telescopic handle is connected with expansion structure, when needs are fixed annular work piece, prevent annular work piece in expansion structure's outside, expansion structure carries out outside extension under electric telescopic handle's drive this moment, until expansion structure and annular work piece inner wall laminating, it is fixed with annular work piece, utilize displacement structure afterwards, the lateral position of movable seat is adjusted, thereby accomplish the position of adjustment annular work piece, be convenient for follow-up processing annular work piece.

Preferably, the displacement structure comprises a screw rod and a sliding block, the sliding block is fixedly arranged at the bottom of the movable seat, a transverse groove is formed in the position of the base corresponding to the sliding block, the screw rod is rotatably arranged in the transverse groove, one end of the screw rod extends to the outer side of the base, a threaded hole is formed in the sliding block, the threaded hole is in threaded connection with the screw rod, a handle is fixedly arranged at one end of the screw rod extending to the outer side of the base, the screw rod is driven to rotate through the rotating handle, and accordingly the sliding block is driven to transversely slide in the transverse groove, and therefore transverse position adjustment of the movable seat is completed.

Preferably, the expansion structure comprises a plurality of groups of hinge blocks, diagonal rods corresponding to the number of the hinge blocks and sliding blocks, a circular groove is formed in the moving seat, the tail ends of the plurality of groups of hinge blocks are hinged to the inner wall of the circular groove respectively, a connecting column is fixedly arranged at the telescopic ends of the electric telescopic rods, the diagonal rods are fixedly arranged on the outer sides of the connecting column corresponding to the positions of the hinge blocks, the diagonal rods are obliquely upwards, a hinge groove is formed in one side wall surface of each hinge block corresponding to the diagonal rod, the diagonal rods are fixedly arranged on the positions of the diagonal rods corresponding to the sliding blocks, the sliding blocks are in sliding connection with the hinge grooves, when the electric telescopic rods are in a contracted state, the plurality of groups of hinge blocks incline to one side close to a central point, the annular workpieces are placed on the outer sides of the plurality of the hinge blocks, the annular workpieces are located in the middle of the hinge blocks, then the electric telescopic rods upwards extend to drive the connecting column to upwards move, the included angle between the upper ends of the diagonal rods and the upper ends of the hinge blocks is enlarged, and the plurality of the hinge blocks are gradually outwards expanded until the annular workpieces are fixed.

Preferably, each hinge block is fixedly provided with a rubber block on the outer side wall surface, and the rubber blocks can be used for protecting the inner wall of the annular workpiece during clamping.

Preferably, the top stopper is fixedly installed on the top end of the connecting column, when the upper ends of the hinge blocks are attached to the top stopper, the electric telescopic rod is the maximum amount of shrinkage, and when the hinge blocks are folded, a cone shape is formed.

(III) beneficial effects

Compared with the prior art, the utility model provides an annular metal workpiece fixing tool, which has the following beneficial effects:

1. this annular metal work piece fixed frock, when the fixed annular work piece of needs, when electric telescopic handle is in the shrink state, multiunit hinge piece can incline to the one side that is close to the central point this moment, place annular work piece in the outside of multiunit hinge piece, annular work piece can be located the intermediate zone of hinge piece this moment, electric telescopic handle upwards stretches out afterwards, drive the spliced pole and upwards remove, contained angle between the upper end of diagonal rod and the hinge piece upper end this moment grow, multiunit hinge piece expands outwards gradually, support the inner wall of annular work piece, until fixed with it, this scheme can totally spill annular work piece's outer wall, after fixed annular, process its outer wall, no longer need loosen and change the grip face, the processing of being convenient for.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram illustrating the disassembly of the present utility model;

FIG. 3 is a schematic cross-sectional view of an expanded configuration.

In the figure: 1. a base; 2. a transverse groove; 3. a screw rod; 4. a movable seat; 5. a rubber block; 6. a handle; 7. a slide block; 8. an electric telescopic rod; 9. a hinge block; 10. a connecting column; 11. a top limiting block; 12. a diagonal rod; 13. a sliding block; 14. hinge grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an annular metal workpiece fixing tool comprises a base 1, wherein a movable seat 4 capable of sliding is connected to the base 1 through a displacement structure, an expansion structure is arranged above the movable seat 4, an electric telescopic rod 8 is fixedly arranged in the movable seat 4, the electric telescopic rod 8 is connected with the expansion structure, when the annular workpiece is required to be fixed, the annular workpiece is prevented from being arranged on the outer side of the expansion structure, at the moment, the expansion structure is driven by the electric telescopic rod 8 to expand outwards until the expansion structure is attached to the inner wall of the annular workpiece, the annular workpiece is fixed, and then the transverse position of the movable seat 4 is adjusted by the aid of the displacement structure, so that the position of the annular workpiece is adjusted, and the annular workpiece is convenient to process subsequently.

Further, the displacement structure includes lead screw 3 and slider 7, slider 7 fixed mounting has offered horizontal groove 2 in the bottom of removing seat 4 in the position that slider 7 was corresponded to base 1, lead screw 3 is installed in the inside rotation of horizontal groove 2, the outside that the one end of lead screw 3 extends to base 1, the last screw hole of seting up of slider 7, screw hole and lead screw 3 threaded connection, the one end fixed mounting who extends to the base 1 outside of lead screw 3 has handle 6, it is rotatory to drive lead screw 3 through rotatory handle 6, thereby drive slider 7 and carry out the lateral sliding in the inside of horizontal groove 2, thereby accomplish the lateral position adjustment of removing seat 4.

Further, the expansion structure comprises a plurality of groups of hinging blocks 9, diagonal rods 12 corresponding to the hinging blocks 9 in number and sliding blocks 13, circular grooves are formed in the moving seat 4, the tail ends of the plurality of groups of hinging blocks 9 are hinged to the inner walls of the circular grooves respectively, connecting columns 10 are fixedly arranged at the telescopic ends of the electric telescopic rods 8, the diagonal rods 12 are fixedly arranged on the outer sides of the connecting columns 10 corresponding to the hinging blocks 9, the diagonal rods 12 are obliquely upwards, hinging grooves 14 are formed in the side wall surfaces of the diagonal rods 9 corresponding to the diagonal rods 12, a plurality of groups of sliding blocks 13 are fixedly arranged on the diagonal rods 12 corresponding to the sliding blocks 13, the sliding blocks 13 are in sliding connection with the hinging grooves 14, when annular workpieces are required to be fixed, the electric telescopic rods 8 are in a contracted state, the plurality of groups of hinging blocks 9 incline to one side close to the central point, the annular workpieces are placed on the outer sides of the plurality of the hinging blocks 9, the annular workpieces are located in the middle areas of the hinging blocks 9, then the electric telescopic rods 8 extend upwards to drive the connecting columns 10 to upwards, the upper ends of the diagonal rods 12 correspond to one side of the diagonal rods 12, the upper ends of the diagonal rods 12 are fixedly connected with the annular workpieces to the inner walls of the annular workpieces, and the annular workpieces are gradually stretched outwards until the annular workpieces are supported against the annular inner walls of the annular workpieces.

Further, the rubber blocks 5 are fixedly mounted on the outer side wall surface of each hinge block 9, and the rubber blocks 5 can be used for protecting the inner wall of the annular workpiece during clamping.

Further, the top end of the connecting column 10 is fixedly provided with a top limiting block 11, when the upper ends of the plurality of groups of hinge blocks 9 are attached to the top limiting block 11, the electric telescopic rod 8 is the maximum amount of shrinkage, and when the plurality of groups of hinge blocks 9 are folded, a cone shape is formed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a fixed frock of annular metal work piece, includes base (1), its characterized in that, be connected with on base (1) through displacement structure and can gliding removal seat (4), the top of removing seat (4) is provided with expansion structure, and the inside fixed mounting who removes seat (4) has electric telescopic handle (8), and electric telescopic handle (8) are connected with expansion structure.

2. The annular metal workpiece fixing tool according to claim 1, wherein: the displacement structure comprises a screw rod (3) and a sliding block (7), wherein the sliding block (7) is fixedly arranged at the bottom of a movable seat (4), a transverse groove (2) is formed in the position, corresponding to the sliding block (7), of a base (1), the screw rod (3) is rotatably arranged in the transverse groove (2), one end of the screw rod (3) extends to the outer side of the base (1), a threaded hole is formed in the sliding block (7), the threaded hole is in threaded connection with the screw rod (3), and a handle (6) is fixedly arranged at one end, extending to the outer side of the base (1), of the screw rod (3).

3. The annular metal workpiece fixing tool according to claim 1, wherein: the expansion structure comprises a plurality of groups of hinging blocks (9), diagonal rods (12) corresponding to the hinging blocks (9) in number and sliding blocks (13), wherein circular grooves are formed in the movable seat (4), the tail ends of the groups of hinging blocks (9) are hinged to the inner wall of the circular grooves respectively, connecting columns (10) are fixedly arranged at the telescopic ends of the electric telescopic rods (8), the diagonal rods (12) are fixedly arranged at the positions, corresponding to the hinging blocks (9), of the outer sides of the connecting columns (10), the diagonal rods (12) are obliquely upwards, hinge grooves (14) are formed in the side wall surfaces, corresponding to the diagonal rods (12), of the hinging blocks (9), a plurality of groups of sliding blocks (13) are fixedly arranged at the positions, corresponding to the sliding blocks (13), of the diagonal rods (12) and the hinge grooves (14) are in sliding connection.

4. A circular metal workpiece fixture as defined in claim 3, wherein: and rubber blocks (5) are fixedly arranged on the outer side wall surface of each hinge block (9).

5. A circular metal workpiece fixture as defined in claim 3, wherein: the top end of the connecting column (10) is fixedly provided with a top limiting block (11).