CN219212769U

CN219212769U - Positioning fixture for grinding machine

Info

Publication number: CN219212769U
Application number: CN202223574013.9U
Authority: CN
Inventors: 穆振
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-20
Anticipated expiration: 2032-12-31

Abstract

The utility model discloses a positioning fixture for a grinding machine, which relates to the technical field of grinding machine processing and comprises a workbench and a clamping mechanism, wherein a baffle is vertically arranged at one end of the workbench, which is close to grinding equipment, a fixed frame is arranged on the side wall of the workbench, which is opposite to the baffle, a movable plate is arranged between the baffle and the fixed frame, a limiting rod is arranged at one side, which is close to the baffle, of the two ends of the movable plate, one end, which is far away from the movable plate, of the movable plate passes through the baffle, is arranged at one side, which is far away from the fixed frame, of the baffle, and a clamping plate for clamping a workpiece is arranged at one side, which is close to the baffle, of the movable plate.

Description

Positioning fixture for grinding machine

Technical Field

The utility model relates to the technical field of grinding machine processing, in particular to a positioning clamp for a grinding machine.

Background

The numerically controlled grinder is a machine tool for grinding the surface of a workpiece by using a grinding tool through a numerical control technology. Most grinding machines are grinding machines using grinding wheels that rotate at high speeds, and a few are grinding machines using other grinding tools such as whetstones, sanding belts, and free abrasive materials, such as honing machines, superfinishing machines, sanding belt grinding machines, and polishing machines.

Bulletin number CN215920148U (a quick detachable positioning fixture for a numerical control grinder), it can make linkage seat and second splint carry out the joint through coupling assembling, and the locating piece in the coupling assembling is through the drive of rotation post for stability between second splint and the linkage seat is more firm, easy operation has realized quick detachable purpose.

The utility model has the defects that the linkage seat is only connected with the top end of the screw rod, the screw rod cannot drive the linkage seat to move, if the linkage seat is in threaded connection with the screw rod, the screw rod still can influence the clamping of a workpiece due to inconvenient position of the screw rod, and meanwhile, the screw rod occupies a space vertical to the workbench, so that the operation of a worker on the workbench is inconvenient, and the use of the workbench is inconvenient.

In view of the foregoing, an improved positioning jig for a grinding machine is now devised.

Disclosure of Invention

The present utility model is directed to a positioning fixture for a grinding machine, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a positioning fixture for grinding machine, includes workstation and fixture, the workstation is close to the vertical baffle of installing of one end of polishing equipment, install the fixed frame on the workstation lateral wall that the baffle is just right, be provided with the movable plate between baffle and the fixed frame, the gag lever post is installed to one side that the both ends of movable plate are close to the baffle, the one end that the gag lever post was kept away from to the movable plate passes the baffle setting and is kept away from one side of fixed frame at the baffle, the splint that are used for carrying out the centre gripping to the work piece are installed to one side that the movable plate is close to the baffle.

The clamping mechanism is arranged in the fixed frame and used for driving the moving plate and the clamping plate to move, so that the moving plate and the baffle plate clamp and fix the workpiece.

As a further scheme of the utility model: the clamping mechanism comprises a bidirectional screw rod, the bidirectional screw rod is arranged in the fixed frame, one end of the bidirectional screw rod penetrates through the fixed frame to be provided with a motor for driving the bidirectional screw rod to rotate, the motor is arranged on the side wall of the fixed frame, one end of the bidirectional screw rod, which is far away from the motor, is rotationally connected onto the inner wall of the fixed frame, moving blocks are rotationally connected onto two threads, which are opposite in direction, of the bidirectional screw rod, the side wall of each moving block is slidingly connected onto the inner wall of the fixed frame, one end, which is close to the moving plate, of each moving block is rotationally connected with a supporting rod for driving the moving plate to move through a hinge, and one end, which is far away from the moving block, of each supporting rod is rotationally connected onto the moving plate through the hinge.

As still further aspects of the utility model: be provided with the detachable mechanism that is convenient for dismantle splint on the movable plate, detachable mechanism includes the draw-in groove, the draw-in groove is installed in the one end that the movable plate is close to the baffle, the clamping block that uses with the draw-in groove cooperation is installed to the one end that the splint is close to the movable plate, the fixture block joint is on the draw-in groove, be provided with the fastening screw that is used for fixing draw-in groove and fixture block together on the lateral wall that the movable plate is close to fixed frame.

As still further aspects of the utility model: and a friction pad which is convenient for clamping the workpiece is arranged on the side wall of the clamping plate.

As still further aspects of the utility model: and the side wall of the moving block is provided with balls which are convenient for the moving block to move along the inner wall of the fixed frame.

As still further aspects of the utility model: and the side wall of the support rod is provided with a reinforcing rib for improving the structural strength of the support rod.

As still further aspects of the utility model: the fixed frame is arranged on the side wall of the workbench in a welding mode.

As still further aspects of the utility model: the rib plate for supporting the fixed frame is arranged at the lower end of the fixed frame.

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

1. compared with the prior art, the two moving blocks are driven to move relatively through the bidirectional screw, so that the moving blocks drive the supporting rods to swing, the supporting rods drive the moving plates to move, clamping of the clamping plates and the baffle plates on the workpiece is realized, the horizontal space of the side wall of the workbench is fully utilized, the occupied space is small, the structure is more compact, and the use is convenient for users.

2. Compared with the prior art, the clamping groove and the clamping block are detachably connected, so that a worker can conveniently detach and replace the clamping plate, the worker can conveniently maintain the clamping plate, the clamping efficiency of the clamping plate on a workpiece is improved, and the clamping plate is convenient for a user to use.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present utility model.

Fig. 2 is a schematic structural view of a clamping mechanism in the present utility model.

Fig. 3 is a schematic structural diagram of a latch according to the present utility model.

Wherein: 1. a work table; 2. a motor; 3. a moving plate; 4. a fastening screw; 5. a fixed frame; 6. a clamping plate; 7. a clamping groove; 8. a clamping block; 9. a baffle; 10. a limit rod; 11. a support rod; 12. a moving block; 13. a bidirectional screw.

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.

Example 1

Referring to fig. 1-2, in an embodiment of the present utility model, a positioning fixture for a grinding machine includes a workbench 1 and a clamping mechanism, wherein a baffle 9 is vertically installed at one end of the workbench 1 close to a grinding device, a fixed frame 5 is installed on a side wall of the workbench 1 opposite to the baffle 9, a moving plate 3 is disposed between the baffle 9 and the fixed frame 5, a stop lever 10 is installed at one side of two ends of the moving plate 3 close to the baffle 9, one end of the stop lever 10 far from the moving plate 3 passes through the baffle 9 and is disposed at one side of the baffle 9 far from the fixed frame 5, and a clamping plate 6 for clamping a workpiece is installed at one side of the moving plate 3 close to the baffle 9.

The clamping mechanism is arranged in the fixed frame 5 and is used for driving the movable plate 3 and the clamping plate 6 to move, so that the movable plate 3 and the baffle 9 clamp and fix the workpiece.

The clamping mechanism comprises a bidirectional screw 13, the bidirectional screw 13 is arranged in the fixed frame 5, one end of the bidirectional screw 13 penetrates through the fixed frame 5 to be provided with a motor 2 used for driving the bidirectional screw 13 to rotate, the motor 2 is arranged on the side wall of the fixed frame 5, one end of the bidirectional screw 13, which is far away from the motor 2, is rotationally connected on the inner wall of the fixed frame 5, two opposite threads of the bidirectional screw 13 are rotationally connected with a moving block 12, the side wall of the moving block 12 is slidingly connected on the inner wall of the fixed frame 5, one end of the moving block 12, which is close to the moving plate 3, is rotationally connected with a supporting rod 11 used for driving the moving plate 3 to move through a hinge, and one end of the supporting rod 11, which is far away from the moving block 12, is rotationally connected on the moving plate 3 through the hinge.

When the workbench is used, the motor 2 is started, the output end of the motor 2 drives the bidirectional screw rod 13 to rotate, under the action of threads, the bidirectional screw rod 13 drives the two moving blocks 12 to move relatively, the moving blocks 12 drive the supporting rods 11 to move, the supporting rods 11 drive the moving plates 3 to move, the moving plates 3 drive the clamping plates 6 to move, and the clamping plates 6 and the baffle plate 9 clamp and fix workpieces at the upper end of the workbench 1.

Compared with the prior art, the two moving blocks 12 are driven to move relatively through the two-way screw 13, the moving blocks 12 drive the supporting rods 11 to swing, the supporting rods 11 drive the moving plates 3 to move, clamping of the clamping plates 6 and the baffle plates 9 on workpieces is achieved, the horizontal space of the side wall of the workbench 1 is fully utilized, occupied space is small, the structure is more compact, and the workbench is convenient for a user to use.

Example 2

Referring to fig. 1-3, this embodiment is different from embodiment 1 in that a detachable mechanism that is convenient for detach the clamping plate 6 is provided on the moving plate 3, the detachable mechanism includes a clamping groove 7, the clamping groove 7 is installed at one end of the moving plate 3 near the baffle 9, a clamping block 8 that is matched with the clamping groove 7 is installed at one end of the clamping plate 6 near the moving plate 3, the clamping block 8 is clamped on the clamping groove 7, and a fastening screw 4 that is used for fixing the clamping groove 7 and the clamping block 8 together is provided on the side wall of the moving plate 3 near the fixed frame 5.

When the clamping device is used, a worker rotates the fastening screw 4 to release the compression of the clamping block 8, so that the clamping block 8 is pulled out of the clamping groove 7, and the clamping plate 6 is detached.

Compared with the prior art, through the detachable connection of draw-in groove 7 and fixture block 8, the staff of being convenient for dismantles the change to splint 6, and the staff of being convenient for maintains splint 6, improves splint 6 to the efficiency of work piece centre gripping, convenient to use person uses.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

Claims

1. The utility model provides a positioning fixture for grinding machine, includes workstation (1) and fixture, workstation (1) is close to the vertical baffle (9) of installing of one end of equipment of polishing, a serial communication port, install fixed frame (5) on workstation (1) lateral wall that baffle (9) are just right, be provided with movable plate (3) between baffle (9) and fixed frame (5), gag lever post (10) are installed to the both ends of movable plate (3) near one side of baffle (9), the one end that movable plate (3) was kept away from to gag lever post (10) passes baffle (9) and sets up in the one side that baffle (9) kept away from fixed frame (5), splint (6) that are used for carrying out the centre gripping to the work piece are installed to one side that movable plate (3) is close to baffle (9);

the clamping mechanism is arranged in the fixed frame (5) and used for driving the movable plate (3) and the clamping plate (6) to move, so that the movable plate (3) and the baffle plate (9) clamp and fix the workpiece.

2. The positioning fixture for a grinding machine according to claim 1, wherein the clamping mechanism comprises a bidirectional screw (13), the bidirectional screw (13) is arranged inside the fixed frame (5), one end of the bidirectional screw (13) penetrates through the fixed frame (5) to be provided with a motor (2) for driving the bidirectional screw (13) to rotate, the motor (2) is arranged on the side wall of the fixed frame (5), one end of the bidirectional screw (13) far away from the motor (2) is rotationally connected on the inner wall of the fixed frame (5), moving blocks (12) are rotationally connected on two opposite threads of the bidirectional screw (13), the side wall of each moving block (12) is slidingly connected on the inner wall of the fixed frame (5), one end of each moving block (12) close to the moving plate (3) is rotationally connected with a supporting rod (11) for driving the moving plate (3) through a hinge, and one end of each supporting rod (11) far away from each moving block (12) is rotationally connected on the moving plate (3) through a hinge.

3. The positioning fixture for a grinding machine according to claim 1, characterized in that a detachable mechanism which is convenient for detach the clamping plate (6) is arranged on the moving plate (3), the detachable mechanism comprises a clamping groove (7), the clamping groove (7) is arranged at one end, close to the baffle (9), of the moving plate (3), a clamping block (8) which is matched with the clamping groove (7) for use is arranged at one end, close to the moving plate (3), of the clamping plate (6), the clamping block (8) is clamped on the clamping groove (7), and a fastening screw (4) which is used for fixing the clamping groove (7) and the clamping block (8) together is arranged on the side wall, close to the fixed frame (5), of the moving plate (3).

4. A positioning jig for grinding machines according to claim 1, characterized in that friction pads for facilitating clamping of the workpiece are mounted on the side walls of the clamping plates (6).

5. A positioning jig for grinding machines according to claim 2, characterized in that balls facilitating the movement of the moving block (12) along the inner wall of the fixed frame (5) are mounted on the side walls of the moving block (12).

6. A positioning jig for a grinding machine according to claim 2, characterized in that the side wall of the support bar (11) is provided with reinforcing ribs for improving the structural strength of the support bar (11).

7. A positioning jig for grinding machines according to claim 1, characterized in that the fixed frame (5) is mounted on the side wall of the table (1) by means of welding.

8. A positioning jig for a grinding machine according to claim 1, characterized in that the lower end of the fixed frame (5) is mounted with a rib for supporting the fixed frame (5).