CN218926958U

CN218926958U - Clamp convenient to operate

Info

Publication number: CN218926958U
Application number: CN202222676911.9U
Authority: CN
Inventors: 薛文甫
Original assignee: Jiuyan Technology Shanghai Co ltd
Current assignee: Jiuyan Technology Shanghai Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-04-28
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a clamp convenient to operate, which comprises a clamp bottom plate, wherein a screw rod mounting box is fixed in the middle of the top of the clamp bottom plate, a bidirectional screw rod is arranged in the screw rod mounting box, the surface of the bidirectional screw rod is connected with a screw rod transmission part, a support rod is arranged above the screw rod transmission part, and L-shaped brackets are arranged at the front end and the rear end of the support rod; the fixing bracket is fixed below the L-shaped bracket, a guide pulley is arranged on the inner side of the fixing bracket, and a guide groove is formed in the joint of the guide pulley and the clamp bottom plate; and the clamping box is fixed above the supporting rod. This simple operation's anchor clamps, when needs carry out the centre gripping to the work piece, only need place the work piece on placing the bench, start screw driving motor, can drive two sets of centre gripping boxes and inwards move simultaneously, need not to debug according to the work piece size, control screw driving motor self-closing under pressure sensor's effect simultaneously, the operation is more convenient.

Description

Clamp convenient to operate

Technical Field

The utility model relates to the technical field of clamps, in particular to a clamp convenient to operate.

Background

The fixture is a device for fixing a processing object in a correct position in a mechanical manufacturing process so as to receive construction or detection, and is generally composed of a positioning element, a clamping device, a tool setting guide element, an indexing device, a connecting element, a fixture body and the like.

The existing clamp is not convenient enough to use, and therefore, the clamp convenient to operate is provided.

Disclosure of Invention

The utility model aims to provide a clamp convenient to operate, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a clamp convenient to operate, comprising:

the fixture comprises a fixture bottom plate, wherein a screw rod mounting box is fixed in the middle of the top of the fixture bottom plate, a bidirectional screw rod is arranged in the screw rod mounting box, the surface of the bidirectional screw rod is connected with a screw rod transmission piece, a support rod is arranged above the screw rod transmission piece, and L-shaped brackets are arranged at the front end and the rear end of the support rod;

the fixing bracket is fixed below the L-shaped bracket, a guide pulley is arranged on the inner side of the fixing bracket, and a guide groove is formed in the joint of the guide pulley and the clamp bottom plate;

the clamping box is fixed above the supporting rod, and a buffer block is arranged in the clamping box;

the placing table is arranged outside the screw rod mounting box, and a protective pad is arranged on the surface of the placing table;

and the screw rod driving motor is arranged at the left side of the screw rod mounting box.

Preferably, the clamp base plate is further provided with:

and the fixing bolts are arranged at four corners of the clamp bottom plate, and the clamp bottom plate is in threaded connection with the fixing bolts.

Preferably, the buffer block is further provided with:

the pressure sensor is arranged in the buffer block, one side of the buffer block is provided with a buffer spring, and the inside of the buffer spring is provided with a telescopic rod.

Preferably, the buffer block slides in the clamping box through the buffer spring and the telescopic rod, the clamping box and the buffer block form a semi-surrounding structure, and the telescopic rod penetrates through the buffer spring.

Preferably, the guide pulley rotates in the fixed support, and the guide pulley slides on the clamp bottom plate through the guide groove.

Preferably, the clamping box slides and moves on the bidirectional screw rod in real time through the support rod and the screw rod transmission piece, and the bidirectional screw rod is connected with the screw rod driving motor in a key way.

Preferably, the placing table is connected with the protection pad in an adhesive mode, and the clamping boxes are symmetrically distributed about the vertical center line of the placing table.

Compared with the prior art, the utility model provides the clamp convenient to operate, which has the following beneficial effects:

1. according to the utility model, the pressure between the buffer blocks and the workpiece can be transmitted to the PLC through the pressure sensor, and the PLC is used for controlling the screw rod driving motor to work, so that the two groups of buffer blocks can clamp the workpiece; the protective pad is additionally arranged on the placing table, so that the friction force between the placing table and the workpiece can be increased, and the workpiece is prevented from shaking, and the normal clamping of the workpiece is prevented from being influenced;

2. according to the utility model, the guide pulley can slide in the guide groove Jin Xixing, so that the moving clamping box is guided, and the stability of the clamping box is improved; when the workpiece is required to be clamped, the workpiece is only required to be placed on the placing table, the screw rod driving motor is started, the two groups of clamping boxes can be driven to move inwards at the same time, debugging according to the size of the workpiece is not required, and meanwhile, the screw rod driving motor is controlled to be automatically closed under the action of the pressure sensor, so that the operation is more convenient;

3. according to the utility model, the buffer block can stretch and retract in the clamping box through the buffer spring and the telescopic rod, and the elastic effect of the buffer spring is utilized while the telescopic rod plays a role in guiding the buffer spring, so that the buffer effect on a workpiece is achieved, and the workpiece deformation caused by overlarge clamping force is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic view of a clamping case according to the present utility model;

fig. 4 is a schematic structural view of the guide pulley of the present utility model.

In the figure: 1. a clamp base plate; 2. a placement table; 3. a protective pad; 4. a clamping box; 5. a guide groove; 6. a two-way screw rod; 7. a screw rod mounting box; 8. a fixing bolt; 9. an L-shaped bracket; 10. a screw rod driving motor; 11. a support rod; 12. a screw rod transmission member; 13. a pressure sensor; 14. a buffer block; 15. a telescopic rod; 16. a buffer spring; 17. a fixed bracket; 18. and a guide pulley.

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.

As shown in fig. 1, 2 and 4, a clamp convenient to operate includes: the fixture comprises a fixture bottom plate 1, wherein a screw rod mounting box 7 is fixed in the middle of the top of the fixture bottom plate 1, a bidirectional screw rod 6 is arranged in the screw rod mounting box 7, the surface of the bidirectional screw rod 6 is connected with a screw rod transmission member 12, and a supporting rod 11 is arranged above the screw rod transmission member 12; the screw rod driving motor 10 is arranged at the left side of the screw rod mounting box 7, L-shaped brackets 9 are arranged at the front end and the rear end of the supporting rod 11, the clamping box 4 slides and moves on the bidirectional screw rod 6 in real time through the supporting rod 11 and the screw rod transmission piece 12, and the bidirectional screw rod 6 is connected with the screw rod driving motor 10 in a key way; when needing to carry out the centre gripping to the work piece, only need place the work piece on placing the platform 2, start lead screw driving motor 10, can drive two sets of centre gripping boxes 4 and inwards remove simultaneously, need not to debug according to the work piece size, simultaneously control lead screw driving motor 10 self-closing under the effect of pressure sensor 13, the operation is more convenient, fixed bolster 17, it is fixed in the below of L type support 9, guide pulley 18 is installed to the inboard of fixed bolster 17, guide slot 5 has been seted up to the junction of guide pulley 18 and anchor clamps bottom plate 1, guide pulley 18 realizes rotating in the inside of fixed bolster 17, and guide pulley 18 realizes sliding movement on anchor clamps bottom plate 1 through guide slot 5, can slide in the inside Jin Xixing of guide slot 5 through the guide pulley 18 that sets up, play the guide effect to the centre gripping box 4 in the removal, improve the stability of centre gripping box 4.

As shown in fig. 1 and 3, a clamp convenient to operate includes: the fixing bolts 8 are arranged at four corners of the clamp bottom plate 1, the clamp bottom plate 1 is in threaded connection with the fixing bolts 8, the clamping box 4 is fixed above the supporting rods 11, and the buffer blocks 14 are arranged in the clamping box 4; place the platform 2, it installs in the outside of lead screw mounting box 7, place the surface of platform 2 and be provided with protection pad 3, place platform 2 and protection pad 3 bonding connection, and centre gripping box 4 is with the vertical central line symmetric distribution of placing platform 2, add protection pad 3 on placing platform 2, can increase the frictional force of placing between platform 2 and the work piece, thereby avoid the work piece to rock, influence the normal centre gripping to the work piece, pressure sensor 13, it installs in the inside of buffer block 14, can be to the pressure between buffer block 14 and the work piece through the pressure sensor 13 that sets up, and with the pressure data transmission who monitors to the PLC controller, work through PLC controller control lead screw driving motor 10, can make two sets of buffer blocks 14 carry out the centre gripping to the work piece, buffer spring 16 is installed to one side of buffer block 14, and the inside of buffer spring 16 is provided with telescopic link 15, buffer block 14 is through buffer spring 16, and telescopic link 15 is in the inside sliding movement of centre gripping box 4, and buffer block 14 constitutes half-surrounding structure, and telescopic link 15 runs through the inside of buffer spring 16, can make buffer spring 16 and the inside of buffer block 14 carry out the effect to the buffer spring 16 through the telescopic link 15, thereby avoid the effect of elasticity to the work piece to take effect of the flexible deformation to the work piece is greatly to the buffer box 16.

Working principle: when the clamp convenient to operate is used, firstly, a workpiece is directly placed on a placing table 2, a screw rod driving motor 10 is started, the screw rod driving motor 10 drives a screw rod transmission piece 12 to move inwards, and two groups of clamping boxes 4 are driven to move inwards simultaneously through a supporting rod 11; secondly, the L-shaped bracket 9 on the supporting rod 11 drives the guide pulley 18 to slide in the guide groove 5 through the fixed bracket 17, and the guide pulley 18 plays a role in guiding the moving clamping box 4, so that the stability of the clamping box 4 is improved; then, when the buffer block 14 and the workpiece are in contact with each other, the buffer spring 16 is pressed inwards, the telescopic rod 15 is driven to expand inwards, and the buffer effect on the workpiece is achieved by utilizing the elastic action of the buffer spring 16, so that the workpiece deformation caused by overlarge clamping force is avoided; finally, the pressure sensor 13 detects the pressure between the buffer block 14 and the workpiece, and simultaneously transmits the monitored pressure data to the PLC, when the pressure data is larger than a set value, the clamping is proved to be completed, and at the moment, the PLC controls the screw rod driving motor 10 to stop working, so that the whole operation process is more convenient.

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

1. The utility model provides a fixture of simple operation which characterized in that includes:

the fixture comprises a fixture bottom plate (1), wherein a screw rod mounting box (7) is fixed in the middle of the top of the fixture bottom plate (1), a bidirectional screw rod (6) is arranged in the screw rod mounting box (7), a screw rod transmission piece (12) is connected to the surface of the bidirectional screw rod (6), a supporting rod (11) is arranged above the screw rod transmission piece (12), and L-shaped brackets (9) are arranged at the front end and the rear end of the supporting rod (11);

the fixing support (17) is fixed below the L-shaped support (9), a guide pulley (18) is arranged on the inner side of the fixing support (17), and a guide groove (5) is formed in the joint of the guide pulley (18) and the clamp bottom plate (1);

the clamping box (4) is fixed above the supporting rod (11), and a buffer block (14) is arranged in the clamping box (4);

a placing table (2) which is arranged outside the screw rod mounting box (7), wherein a protective pad (3) is arranged on the surface of the placing table (2);

and a screw driving motor (10) which is arranged at the left side of the screw mounting box (7).

2. The clamp convenient to operate according to claim 1, wherein the clamp base plate (1) is further provided with:

and the fixing bolts (8) are arranged at four corners of the clamp bottom plate (1), and the clamp bottom plate (1) is in threaded connection with the fixing bolts (8).

3. The clamp convenient to operate according to claim 1, wherein the buffer block (14) is further provided with:

the pressure sensor (13) is arranged in the buffer block (14), one side of the buffer block (14) is provided with a buffer spring (16), and the inside of the buffer spring (16) is provided with a telescopic rod (15).

4. A clamp convenient to operate according to claim 3, wherein the buffer block (14) slides in the clamping box (4) through the buffer spring (16) and the telescopic rod (15), the clamping box (4) and the buffer block (14) form a semi-enclosed structure, and the telescopic rod (15) penetrates through the buffer spring (16).

5. An easy-to-operate clamp according to claim 1, characterized in that the guide pulley (18) is turned inside the fixed bracket (17) and the guide pulley (18) is slidingly moved on the clamp base plate (1) through the guide groove (5).

6. The clamp convenient to operate according to claim 1, wherein the clamping box (4) slides and moves on the bidirectional screw rod (6) in real time through the supporting rod (11) and the screw rod transmission piece (12), and the bidirectional screw rod (6) is in key connection with the screw rod driving motor (10).

7. The clamp convenient to operate according to claim 1, wherein the placement table (2) is in adhesive connection with the protection pad (3), and the clamping boxes (4) are symmetrically distributed about the vertical center line of the placement table (2).