CN221455638U

CN221455638U - Clamp for machining

Info

Publication number: CN221455638U
Application number: CN202322758495.1U
Authority: CN
Inventors: 黄云; 杨木森; 吴应举
Original assignee: Fuyang Changyang Auto Parts Co ltd
Current assignee: Fuyang Changyang Auto Parts Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-08-02
Anticipated expiration: 2033-10-16

Abstract

The utility model discloses a clamp for machining, which comprises a workbench and a clamping plate, wherein a containing cavity is formed in the workbench, a base is arranged in the containing cavity, a turntable is arranged above the base, a chute is formed above the turntable, the lower surface of the turntable is connected with a connecting shaft, the lower end of the connecting shaft is connected with a gear, one side of the gear is meshed and rotated with a screw rod, the inside of the chute is slidably connected with a sliding block, the upper surface of the sliding block is fixedly connected with a connecting block, the outer surface of the connecting block is sleeved with a limiting block, the upper surface of the workbench is provided with a limiting groove, the upper surface of the connecting block is connected with a moving block, one side of the moving block is provided with a clamping groove, the inside of the clamping groove is clamped with a clamping block, and the upper surface of the clamping block is provided with a groove. The clamping device is stable in structure, good in clamping effect and convenient to replace clamps of different types, so that the clamping device is suitable for clamping workpieces of different shapes.

Description

Clamp for machining

Technical Field

The utility model relates to the technical field of machining, in particular to a clamp for machining.

Background

At present, with the development of economy and the acceleration of the urban process, the processing and producing areas of various mechanical part products are rapidly built. In the machining process of machine parts, a plurality of machine parts are required to be machined by using a clamp, wherein the clamp is a device for fixing a machining object in the machining process so as to occupy a correct position to receive construction or detection.

At present, most of processing machines use a single clamp for machining, the clamp type cannot be replaced, if the shapes of part products to be processed are different, the clamp for machining with different shapes is required to be used for clamping the machine, so that the cost of a processing production system is greatly increased, the processing efficiency is influenced, the fastening structure of the clamp is unstable, and the clamping effect is poor.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a clamp for machining.

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

The utility model provides a fixture for machining, includes workstation and splint, splint are located the top of workstation, the chamber has been seted up to the inside of workstation, the inside bottom fixed mounting who holds the chamber has the base, the top of base is provided with the carousel, the lower surface of carousel is connected with the connecting axle, the lower extreme of connecting axle is connected with the gear, one side meshing of gear rotates has the hob, the hob runs through the inside of workstation, the chute has been seted up to the top of carousel, the inside sliding connection of chute has the slider, the upper surface fixedly connected with connecting block of slider, the surface mounting of connecting block has cup jointed the stopper, the upper surface of workstation is opened the spacing groove, stopper and spacing groove sliding connection, the upper surface of connecting block has the movable block, the draw-in groove has been seted up to one side of movable block, the inside joint of draw-in groove has the fixture block, the upper surface of fixture block has seted up flutedly, the internally mounted of recess has the spring, one end of spring is connected with the push rod, one side and the splint of fixture block are connected.

Preferably, the upper surface of the base is provided with an annular groove, a convex ball is connected in the annular groove in a sliding manner, and the convex ball is fixedly connected with the lower surface of the turntable; when the turntable rotates, the convex ball surface is in contact with the inner part of the annular groove, so that the whole structure of the turntable can be supported, the turntable can be rotated conveniently, and the abrasion of the turntable is reduced.

Preferably, the number of teeth of the gear is the same as the number of turns of the screw rod, and the toothed side of the gear is arranged on one side close to the screw rod; the gear and the screw rod are meshed for rotation, and after the gear is meshed, the gear stops rotating, and the screw rod rotates in the opposite direction to drive the gear to rotate in the opposite direction.

Preferably, a motor is arranged at the rear of the workbench, the output end of the motor is connected with a screw rod, and a threaded section of the screw rod is arranged at the middle part of the screw rod; and starting the motor to drive the screw rod to rotate, wherein the threaded section of the screw rod is meshed with the gear to rotate.

Preferably, the clamping groove is communicated with the upper surface of the workbench; pressing the push rod, compressing the spring, enabling the spring to be completely pressed into the groove, moving the clamping block, placing the clamping block in the clamping groove, moving to the communication part of the clamping groove and the workbench, pushing the push rod to move by the spring, pushing out the groove, and completing the installation fixture.

Preferably, two inclined grooves are arranged, and the inclination directions of the two inclined grooves are the same; the turntable rotates, and the sliding block in the chute starts to move to drive the moving blocks to approach and separate from each other.

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

1. According to the utility model, through arranging the structures such as the turntable, the movable block and the sliding block, the turntable is rotated to drive the sliding block, the movable block and the like to move, so that the clamping plates are close to or far away from each other, the structure is stable, the workpiece clamping effect is good, and the mechanical processing is convenient.

2. According to the clamping device, the clamping groove, the clamping block, the push rod and the spring are arranged, the push rod is pressed, the spring is compressed, the clamping block can be moved, namely, the clamping plate is installed and detached, so that the clamping plate is convenient to replace clamps of different types, the clamping device is suitable for workpieces of different shapes, and the machining efficiency is improved.

Drawings

FIG. 1 is a schematic view of a fixture for machining according to the present utility model;

FIG. 2 is a top view of a turntable of a fixture for machining according to the present utility model;

FIG. 3 is a top view of a screw of a fixture for machining according to the present utility model;

FIG. 4 is an enlarged view of the fixture for machining according to the present utility model;

fig. 5 is an enlarged view of a second embodiment of a machining jig according to the present utility model.

In the figure: the device comprises a workbench 1, a cavity 2, a base 3, a rotary table 4, a connecting shaft 5, a gear 6, a screw rod 7, a chute 8, a sliding block 9, a connecting block 10, a limiting block 11, a limiting groove 12, a moving block 13, a clamping groove 14, a clamping block 15, a groove 16, a spring 17, a push rod 18, a clamping plate 19, a ring groove 20 and a convex ball 21.

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.

Example 1

Referring to fig. 1-4, a fixture for machining comprises a workbench 1 and a clamping plate 19, wherein the clamping plate 19 is located above the workbench 1, a containing cavity 2 is formed in the workbench 1, a base 3 is fixedly arranged at the bottom end of the inside of the containing cavity 2, a rotary table 4 is arranged above the base 3, a connecting shaft 5 is connected to the lower surface of the rotary table 4, a gear 6 is connected to the lower end of the connecting shaft 5, one side of the gear 6 is meshed and rotated with a spiral rod 7, the spiral rod 7 penetrates through the workbench 1, a chute 8 is formed above the rotary table 4, a sliding block 9 is connected to the inside of the chute 8 in a sliding manner, a connecting block 10 is fixedly connected to the upper surface of the sliding block 9, a limiting block 11 is fixedly sleeved on the outer surface of the connecting block 10, a limiting groove 12 is formed in the upper surface of the workbench 1, the limiting block 11 is connected with the limiting groove 12 in a sliding manner, a moving block 13 is connected to the upper surface of the connecting block 10, a clamping groove 14 is formed in one side of the moving block 13, a clamping block 15 is clamped in the clamping groove 14, a groove 16 is formed in the upper surface of the clamping block 15, a spring 17 is arranged in one side of the groove 16, one end of the spring 17 is connected to one side of the clamping block 18, and the clamping block 15 is connected to the clamping plate 19.

The number of teeth of the gear 6 is the same as the number of turns of the screw rod 7, and the toothed side of the gear 6 is arranged on one side close to the screw rod 7; the gear 6 is meshed with the screw rod 7 for rotation, and after the gear 6 is meshed, the gear 6 stops rotating, and the screw rod 7 rotates in the opposite direction to drive the gear 6 to rotate in the opposite direction.

A motor is arranged at the rear of the workbench 1, the output end of the motor is connected with a screw rod 7, and a threaded section of the screw rod 7 is arranged at the middle part of the screw rod 7; the motor is started to drive the screw rod 7 to rotate, and the threaded section of the screw rod 7 is meshed with the gear 6 to rotate.

The clamping groove 14 is communicated with the upper surface of the workbench 1; pressing the push rod 18, compressing the spring 17, enabling the spring 17 to be completely pressed into the groove 16, moving the clamping block 15, placing the clamping block 15 in the clamping groove 14, moving to the communicating position of the clamping groove 14 and the workbench 1, pushing the push rod 18 by the spring 17 to move, pushing out the groove 16, and completing the installation of the clamping plate 19.

The two inclined grooves 8 are arranged, and the inclination directions of the two inclined grooves 8 are the same; the turntable 4 rotates, and the sliding blocks 9 in the chute 8 start to move to drive the moving blocks 13 to approach and separate from each other.

Referring to fig. 5, in comparison with the first embodiment, the second embodiment: the upper surface of the base 3 is provided with an annular groove 20, a convex ball 21 is connected in the annular groove 20 in a sliding way, and the convex ball 21 is fixedly connected with the lower surface of the turntable 4; when the turntable 4 rotates, the surface of the convex ball 21 is in contact with the inner part of the annular groove 20, so that the whole structure of the turntable 4 can be supported, the rotation of the turntable 4 is facilitated, and the abrasion of the turntable 4 is reduced.

Working principle: the motor is started to drive the screw rod 7 to rotate, the threaded section of the screw rod 7 is meshed with the gear 6 to rotate, the connecting shaft 5 is driven to rotate, the rotary table 4 starts to rotate, the sliding block 9 in the chute 8 starts to move, at the moment, the limiting block 11 moves in the limiting groove 12 to prevent the connecting block 10 from separating from the inside of the limiting groove 12, the moving block 13 is driven to horizontally move on the upper surface of the workbench 1 and approach each other, namely, the clamping plate 19 is driven to clamp a workpiece, the clamping effect on a machining machine is completed, and the clamping stability is good, the motor drives the screw rod 7 to rotate in the opposite direction, the gear 6 rotates in the opposite direction to drive the connecting shaft 5 to rotate, the rotary table 4 starts to rotate, the sliding block 9 in the chute 8 starts to move, at the moment, the limiting block 11 moves in the inside of the limiting groove 12 to drive the moving block 13 to horizontally move on the upper surface of the workbench 1 and away from each other, the push rod 18 is pressed when the clamp is disassembled, the spring 17 is enabled to be completely pressed into the inside of the groove 16, the clamping plate 19 is horizontally moved, and the clamp rod 18 slides in the inner wall of the groove 16, the clamp 19 can be disassembled, the convenience and the installation are realized, and the clamp type is replaced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The clamp for machining comprises a workbench (1) and a clamping plate (19), and is characterized in that the clamping plate (19) is located above the workbench (1), a containing cavity (2) is formed in the workbench (1), a base (3) is fixedly arranged at the bottom end of the interior of the containing cavity (2), a rotary table (4) is arranged above the base (3), a connecting shaft (5) is connected to the lower surface of the rotary table (4), a gear (6) is connected to the lower end of the connecting shaft (5), a spiral rod (7) is meshed and rotated on one side of the gear (6), the spiral rod (7) penetrates through the interior of the workbench (1), a chute (8) is formed in the upper portion of the rotary table (4), a sliding block (9) is connected to the interior of the chute (8), a connecting block (10) is fixedly connected to the upper surface of the sliding block (9), a limiting block (11) is fixedly sleeved on the outer surface of the connecting block (10), a limiting groove (12) is formed in the upper surface of the workbench (1), a limiting block (12) is formed in the upper surface of the sliding block (12), a limiting block (13) is connected to the sliding block (13), the inside joint of draw-in groove (14) has fixture block (15), recess (16) have been seted up to the upper surface of fixture block (15), internally mounted of recess (16) has spring (17), the one end of spring (17) is connected with push rod (18), one side of fixture block (15) is connected with splint (19).

2. The clamp for machining according to claim 1, wherein an annular groove (20) is formed in the upper surface of the base (3), a convex ball (21) is slidably connected to the inside of the annular groove (20), and the convex ball (21) is fixedly connected to the lower surface of the turntable (4).

3. A clamp for machining according to claim 1, characterized in that the number of teeth of the gear wheel (6) is the same as the number of turns of the screw (7), the toothed side of the gear wheel (6) being arranged on the side close to the screw (7).

4. A clamp for machining according to claim 1, characterized in that a motor is arranged behind the table (1), the output end of the motor is connected with a screw rod (7), and the threaded section of the screw rod (7) is arranged in the middle of the screw rod (7).

5. A clamp for machining according to claim 1, characterized in that the clamping groove (14) communicates with the upper surface of the table (1).

6. A clamp for machining according to claim 1, characterized in that two of the chute (8) are provided, the inclination directions of the two chute (8) being identical.