CN214351887U

CN214351887U - Positioning fixture

Info

Publication number: CN214351887U
Application number: CN202022977201.0U
Authority: CN
Inventors: 杨小龙; 杨波; 朱小波
Original assignee: Zhejiang Sheng Industry Science And Technology Co ltd
Current assignee: Zhejiang Sheng Industry Science And Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-08
Anticipated expiration: 2030-12-08

Abstract

The utility model provides a positioning clamp, which comprises a fixed clamping component and a movable clamping component; the fixed clamping assembly comprises a clamp main body with a placing cavity arranged therein, and a positioning surface is arranged in the placing cavity; the movable clamping assembly comprises a movable clamping block placed in the placing cavity and a power part connected with the movable clamping block, and the power part drives the movable clamping block to be close to the positioning surface and is used for clamping a workpiece between the positioning surface and the movable clamping block. When the disc type workpiece clamping device is used, a disc type workpiece to be machined is placed into the placing cavity, so that the side wall of the disc type workpiece is in contact with the movable clamping block, then the movable clamping block and the workpiece are driven to be close to the positioning surface through the power part, and when the workpiece is tightly abutted against the positioning surface, the workpiece is clamped between the positioning surface and the movable clamping block. The positioning clamp has the advantage of convenience in use.

Description

Positioning fixture

Technical Field

The utility model relates to an anchor clamps, in particular to a positioning fixture.

Background

The clamp is a device used for clamping a workpiece to be machined in a mechanical manufacturing process so that the workpiece to be machined is in a correct position and is convenient to receive machining or detection.

At present, when a disc workpiece is machined, a three-jaw chuck is generally required to clamp the disc workpiece to be machined. However, in the use process of the three-jaw chuck clamp, the chuck wrench needs to be rotated to drive the jaws to move, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a positioning fixture, which has the advantage of convenient use.

In order to solve the technical problem, the technical scheme of the utility model is that: a positioning clamp comprises a fixed clamping assembly and a movable clamping assembly; the fixed clamping assembly comprises a clamp main body with a placing cavity arranged therein, and a positioning surface is arranged in the placing cavity; the movable clamping assembly comprises a movable clamping block placed in the placing cavity and a power part connected with the movable clamping block, and the power part drives the movable clamping block to be close to the positioning surface and is used for clamping a workpiece between the positioning surface and the movable clamping block.

Through the technical scheme, during use, the disc type workpiece to be processed is placed in the placing cavity, so that the side wall of the disc type workpiece is in contact with the movable clamping block, then the movable clamping block and the workpiece are driven to be close to the positioning surface through the power piece, and when the workpiece is tightly abutted to the positioning surface, the workpiece is tightly clamped between the positioning surface and the movable clamping block. The positioning clamp has the advantage of convenience in use.

Preferably, the movable clamping block comprises a sliding block and a swinging block; the sliding block is connected to the power part and driven by the power part to slide in the placing cavity; the swing block is rotatably connected in the placing cavity and driven by the sliding block to rotate to the positioning surface.

Through the technical scheme, when the workpiece clamping device is used, a workpiece is placed in the placing cavity, so that the workpiece is abutted to the swinging piece, then the sliding block is driven to be close to the positioning surface through the power piece, the swinging piece is driven to rotate to the positioning surface when the sliding block is in contact with the swinging piece, the swinging piece drives the workpiece to be close to the positioning surface, and when the workpiece is abutted to the positioning surface, the workpiece is clamped between the positioning surface and the movable clamping block.

Preferably, a guide inclined plane is arranged on the side wall of the sliding block, and the guide inclined plane is abutted to the swinging block.

Through above-mentioned technical scheme, the sliding block receives the power piece to order about when being close to the locating surface, and the sliding block orders about the swing piece through the guide inclined plane and turns to the locating surface.

Preferably, an auxiliary inclined plane is arranged on the side wall of the swinging block, and the auxiliary inclined plane is attached to the guide inclined plane.

Through above-mentioned technical scheme, supplementary inclined plane pastes tightly mutually with the guide inclined plane to reduce the pressure that the swing piece acted on the sliding block, make difficult production mar on the guide inclined plane.

Preferably, a stud is connected to the side wall of the clamp body in a threaded manner and penetrates through the positioning surface.

Through the technical scheme, the stud can be driven to protrude out of the positioning surface by rotating the stud, so that the stud can be abutted against the surface of the workpiece and can be used for positioning the workpiece.

Preferably, a positioning column is arranged in the placing cavity and is used for penetrating through a workpiece to be processed.

Through above-mentioned technical scheme, the control reference column passes and treats the processing work piece, so when ordering about movable clamp splice to shift up and be used for pressing from both sides tight work piece, the work piece is difficult for appearing the skew.

Preferably, a sliding groove is formed in the side wall of the clamp body and communicated with the placing cavity; the sliding block is connected in the sliding groove in a sliding mode, and the sliding block is tightly abutted to the inner wall of the sliding groove.

Through above-mentioned technical scheme, the slip of sliding block receives the spout restriction for the sliding block is difficult for appearing the condition of skew in the slip in-process.

Preferably, the inner wall of the sliding groove is provided with a wear-resisting plate, and the wear-resisting plate is attached to the sliding block.

Through above-mentioned technical scheme, the antifriction plate pastes tightly with the sliding block, avoids installing the spout inner wall of antifriction plate wearing and tearing to appear.

Preferably, the sliding block lateral wall department opens there is the mounting groove, power spare includes the cylinder, the piston rod card of cylinder in the mounting groove.

Through above-mentioned technical scheme, the piston rod card of cylinder is in the mounting groove, so can separate cylinder and sliding block, is convenient for overhaul the cylinder.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic cross-sectional view of an embodiment.

Reference numerals: 1. fixing the clamping assembly; 2. a movable clamping assembly; 21. a movable clamping block; 211. a slider; 212. a swing block; 22. a power member; 3. a placement chamber; 4. positioning the surface; 5. a guide ramp; 6. an auxiliary bevel; 7. a stud; 8. a positioning column; 9. a chute; 10. a wear plate; 11. and (4) mounting the groove.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

A positioning clamp, as shown in FIG. 1, includes a fixed clamping assembly 1 and a movable clamping assembly 2.

Fixed centre gripping subassembly 1 is equipped with the anchor clamps main part of placing chamber 3 including being equipped with, and the opening that communicates in placing chamber 3 is seted up to one side of anchor clamps main part. When in use, a workpiece can be put into the placing cavity 3 from the opening.

The top wall of the placing cavity 3 is provided with a circular arc-shaped positioning surface 4, and the positioning surface 4 can be tightly attached to the side wall of the workpiece in the placing cavity 3.

The inner cavity wall of the placing cavity 3 opposite to the opening is provided with a positioning column 8, the positioning column 8 is perpendicular to the inner cavity wall of the placing cavity 3 opposite to the opening, and the positioning column 8 is used for penetrating through a workpiece and positioning the workpiece.

As shown in fig. 1 and 2, a threaded hole is formed in the side wall of the top of the clamp body, the threaded hole penetrates through the positioning surface 4, a stud 7 is connected to the inside of the threaded hole in a threaded manner, and a threaded section of the stud 7 can protrude out of the positioning surface 4 and abut against a workpiece.

The lateral wall department of anchor clamps main part bottom has seted up spout 9, and spout 9 with place chamber 3 intercommunication. All be provided with antifriction plate 10 on the relative two interior cell walls about spout 9, and antifriction plate 10 is fixed continuous with the anchor clamps main part through the screw of installing in anchor clamps main part lateral wall department.

The movable clamping assembly 2 comprises a movable clamping block 21 and a power piece 22. The movable clamp block 21 includes a slider 211 and a swing block 212. The sliding block 211 is slidably connected in the sliding slot 9, and the sliding block 211 abuts against the two wear plates 10 simultaneously. The top of the sliding block 211 is protruded to form two shifting forks which are symmetrically distributed. Two shift fork relative lateral walls are guide inclined plane 5, and the interval between two guide inclined plane 5 increases gradually to locating surface 4 one side. Two swing blocks 212 are installed between the two forks. The swing block 212 is rotatably coupled in the placing chamber 3 by a rotating shaft. An auxiliary inclined surface 6 is formed on one side of the swing block 212 close to the shifting fork, and the auxiliary inclined surface 6 is attached to the guide inclined surface 5.

The lateral wall department of sliding block 211 bottom is opened there is mounting groove 11, and power component 22 includes the cylinder, and the piston rod card of cylinder is in mounting groove 11, and it is flexible through the cylinder piston rod during the use to be used for driving sliding block 211 to slide in spout 9.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. A positioning fixture is characterized in that: comprises a fixed clamping component (1) and a movable clamping component (2); the fixed clamping assembly (1) comprises a clamp main body in which a placing cavity (3) is arranged, and a positioning surface (4) is arranged in the placing cavity (3); the movable clamping assembly (2) comprises a movable clamping block (21) placed in the placing cavity (3) and a power part (22) connected with the movable clamping block (21), wherein the power part (22) drives the movable clamping block (21) to be close to the positioning surface (4) so as to clamp a workpiece between the positioning surface (4) and the movable clamping block (21).

2. A positioning jig according to claim 1 wherein: the movable clamping block (21) comprises a sliding block (211) and a swinging block (212); the sliding block (211) is connected to the power part (22), and the sliding block (211) is driven by the power part (22) to slide in the placing cavity (3); the swing block (212) is rotatably connected into the placing cavity (3), and the swing block (212) is driven by the sliding block (211) to rotate to the positioning surface (4).

3. A positioning jig according to claim 2 wherein: the side wall of the sliding block (211) is provided with a guide inclined plane (5), and the guide inclined plane (5) is abutted to the swinging block (212).

4. A positioning jig according to claim 3 wherein: an auxiliary inclined plane (6) is arranged on the side wall of the swinging block (212), and the auxiliary inclined plane (6) is attached to the guide inclined plane (5).

5. A positioning jig according to claim 1 wherein: the clamp is characterized in that a stud (7) is connected to the side wall of the clamp body in a threaded mode, and the stud (7) penetrates through the positioning surface (4).

6. A positioning jig according to claim 1 wherein: a positioning column (8) is arranged in the placing cavity (3), and the positioning column (8) is used for penetrating through a workpiece to be machined.

7. A positioning jig according to claim 2 wherein: a sliding groove (9) is formed in the side wall of the clamp body, and the sliding groove (9) is communicated with the placing cavity (3); the sliding block (211) is connected in the sliding groove (9) in a sliding mode, and the sliding block (211) is abutted to the inner wall of the sliding groove (9).

8. A positioning jig according to claim 7 wherein: the inner wall of the sliding groove (9) is provided with a wear-resisting plate (10), and the wear-resisting plate (10) is attached to the sliding block (211).

9. A positioning jig according to claim 2 wherein: the sliding block (211) lateral wall department opens has mounting groove (11), power spare (22) include the cylinder, the piston rod card of cylinder in mounting groove (11).