CN221066008U

CN221066008U - Machining fixing clamp

Info

Publication number: CN221066008U
Application number: CN202322754600.4U
Authority: CN
Inventors: 郑玲; 舒洪强; 卜硕
Original assignee: Zhuzhou Gingte Cemented Carbide Co ltd
Current assignee: Zhuzhou Gingte Cemented Carbide Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-06-04
Anticipated expiration: 2033-10-13

Abstract

The utility model provides a machining fixing clamp. The machining fixture includes: a base; the left side of the fixed frame is fixed on the right side of the base, a driving motor is fixedly connected to the inside of the fixed frame, a first screw rod is fixedly connected to an output shaft of the driving motor, the other end of the first screw rod penetrates through the fixed frame and extends to the inside of the fixed frame, a first thread block is connected to the outer surface of the first screw rod in a threaded mode, and a movable seat is arranged at the top of the first thread block; and the loop bar is rotationally connected to the inside of the fixed frame. According to the mechanical processing fixing clamp, the clamping is not required to be readjusted, so that continuous operation can be achieved, the working efficiency is improved, and when the clamp is used, a workpiece is positioned in the center of a processing position, the effect of calibration is achieved, and better processing can be performed.

Description

Machining fixing clamp

Technical Field

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

Background

The machining process refers to a process of directly changing the shape, the size, the relative position, the properties and the like of a blank by using a machining method to enable the blank to be a qualified part.

The fixture is a device for fixing a machining object in a correct position in a mechanical manufacturing process to receive construction or detection, and is also called a fixture in a broad sense, and any process in the process for rapidly, conveniently and safely mounting a workpiece can be called a fixture.

When clamping and fixing workpieces, the mechanical processing clamp on the market can only fix single workpieces, so that after the single workpieces are processed, clamping of the next workpiece is required to be readjusted, and the working efficiency is reduced during assembly.

Therefore, it is necessary to provide a machining fixture to solve the above technical problems.

Disclosure of utility model

The utility model provides a mechanical processing fixing clamp, which solves the problem that the working efficiency is reduced during assembly.

In order to solve the technical problems, the machining fixing clamp provided by the utility model comprises: a base;

The left side of the fixed frame is fixed on the right side of the base, a driving motor is fixedly connected to the inside of the fixed frame, a first screw rod is fixedly connected to an output shaft of the driving motor, the other end of the first screw rod penetrates through the fixed frame and extends to the inside of the fixed frame, a first thread block is connected to the outer surface of the first screw rod in a threaded mode, and a movable seat is arranged at the top of the first thread block;

The loop bar, the loop bar rotate connect in the inside of fixed frame, the one end of loop bar runs through in proper order fixed frame with remove the seat and extend to remove the inside of seat, the inside cover of loop bar is equipped with the second screw rod, the other end of second screw rod rotate connect in remove on the seat, the surface threaded connection of second screw rod has the second screw thread piece, the top of second screw thread piece is provided with two first clamp splice, the both sides of removing the seat top are equal fixedly connected with two second clamp splice, the surface fixedly connected with first belt pulley of loop bar, the surface fixedly connected with second belt pulley of first screw rod.

Preferably, the bottom of the first screw thread piece is slidably connected to the bottom of the inner wall of the base, and the bottom of the second screw thread piece is slidably connected to the bottom of the inner wall of the movable base.

Preferably, the outer surfaces of the first pulley and the second pulley are in belt drive connection.

Preferably, the inner surface of the loop bar is provided with a plurality of positioning holes, the outer surface of the second screw is fixedly connected with a plurality of positioning strips, and the positioning strips are slidably connected to the inner parts of the positioning holes.

Preferably, the side walls of the two first clamping blocks and the two second clamping blocks are provided with a plurality of grooves, soft blocks are connected in a sliding mode in the grooves, and buffer springs are arranged between the soft blocks and the inner walls of the grooves.

Preferably, two opposite sides of the second clamping blocks are fixedly connected with connecting blocks, bolts are arranged on the connecting blocks, sliding grooves are formed in the second clamping blocks, protection plates are connected in the sliding grooves in a sliding mode, and a plurality of insertion holes are formed in the tops of the protection plates.

Preferably, the plug pin is matched with the jack.

Compared with the related art, the mechanical processing fixing clamp provided by the utility model has the following beneficial effects:

The utility model provides a mechanical processing fixing clamp, which can prepare the next workpiece in advance when clamping the workpiece by matching the left-right movement of two first clamping blocks and clamping of two second clamping blocks, and can automatically clamp the next workpiece without readjusting the clamping when the previous workpiece is finished and relaxed, so that the continuous operation can be realized, the working efficiency is improved, and the workpiece can be positioned in the center of a processing position when clamped, thereby playing a role in calibration and being capable of better processing.

Drawings

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

FIG. 2 is a schematic side view of the loop bar shown in FIG. 1;

FIG. 3 is an enlarged schematic view of portion A shown in FIG. 1;

FIG. 4 is a schematic view of a second embodiment of a machining fixture according to the present utility model;

fig. 5 is an enlarged schematic view of the portion B shown in fig. 4.

Reference numerals in the drawings: 1. the device comprises a base, 2, a fixed frame, 3, a driving motor, 4, a first screw rod, 5, a first thread block, 6, a movable seat, 7, a loop bar, 8, a second screw rod, 9, a second thread block, 10, a first clamping block, 11, a second clamping block, 12, a first belt pulley, 13, a second belt pulley, 14, a positioning hole, 15, a positioning strip, 16, a groove, 17, a soft block, 18, a buffer spring, 19, a connecting block, 20, a bolt, 21, a chute, 22, a protection plate, 23 and a jack.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

First embodiment

Referring to fig. 1, fig. 2, and fig. 3 in combination, fig. 1 is a schematic structural diagram of a first embodiment of a machining fixture according to the present utility model; FIG. 2 is a schematic side view of the loop bar shown in FIG. 1; fig. 3 is an enlarged schematic view of a portion a shown in fig. 1. The machining fixture includes: a base 1;

The fixed frame 2, the left side of fixed frame 2 is fixed in the right side of base 1, the inside fixedly connected with driving motor 3 of fixed frame 2, driving motor 3's output shaft fixedly connected with first screw rod 4, the other end of first screw rod 4 runs through fixed frame 2 and extends to the inside of fixed frame 2, the surface screw thread connection of first screw rod 4 has first screw thread piece 5, the top of first screw thread piece 5 is provided with movable seat 6;

The loop bar 7, loop bar 7 rotate connect in the inside of fixed frame 2, the one end of loop bar 7 runs through in proper order fixed frame 2 with remove seat 6 and extend to remove the inside of seat 6, the inside cover of loop bar 7 is equipped with second screw rod 8, the other end of second screw rod 8 rotate connect in remove on the seat 6, the surface threaded connection of second screw rod 8 has second screw thread piece 9, the top of second screw thread piece 9 is provided with two first clamp splice 10, the both sides at remove the 6 top of seat equal fixedly connected with two second clamp splice 11, the surface fixedly connected with first belt pulley 12 of loop bar 7, the surface fixedly connected with second belt pulley 13 of the surface of first screw rod 4.

The screw thread directions of the first screw 4 and the second screw 8 are opposite, the driving motor 3 is a servo motor, an open slot for the left and right movement of the first screw thread block 5 is formed in the base 1, and an open slot for the left and right movement of the second screw thread block 9 is formed in the movable seat 6.

The bottom of the first thread block 5 is slidably connected to the bottom of the inner wall of the base 1, and the bottom of the second thread block 9 is slidably connected to the bottom of the inner wall of the movable seat 6.

By means of the sliding connection, the first screw block 5 and the second screw block 9 are not rotated by the rotation of the first screw rod and the second screw rod 8, and only the linear movement is performed.

The outer surfaces of the first pulley 12 and the second pulley 13 are connected by a belt drive.

The inner surface of the loop bar 7 is provided with a plurality of positioning holes 14, the outer surface of the second screw rod 8 is fixedly connected with a plurality of positioning strips 15, and the positioning strips 15 are slidably connected to the inside of the positioning holes 14.

Through the cooperation of locating hole 14 and location strip 15, can play the positioning action between loop bar 7 and the second screw rod 8 for only can slide about between loop bar 7 and the second screw rod 8, can not take place relative rotation, and then make loop bar 7 rotation can drive the rotation of second screw rod 8.

The working principle of the mechanical processing fixing clamp provided by the utility model is as follows:

The workpiece is placed between the first clamping blocks 10 and the second clamping blocks 11 on the left side, the driving motor 3 drives the loop bar 7 to rotate through the transmission of the first belt pulley 12 and the second belt pulley 13, the loop bar 7 drives the second screw rod 8 to rotate, so that the second threaded blocks 9 move leftwards, the two first clamping blocks 10 move leftwards in cooperation with the second clamping blocks 11 on the left side to clamp the workpiece, the driving motor 3 rotates to drive the first screw rod 4 to rotate, so that the first threaded blocks 5 move rightwards, the movable seat 6 moves integrally rightwards, the workpiece is positioned at the center of a machining position, after the workpiece is machined, other workpieces can be put in the middle of the first clamping blocks 10 and the second clamping blocks 11 on the right side in advance, once the workpiece is machined, the second threaded blocks 9 can move rightwards through the reverse rotation of the driving motor 3, the two first clamping blocks 10 move rightwards in cooperation with the second clamping blocks 11 to clamp the workpiece to be machined, the workpiece is positioned at the center of the machining position, and then the workpiece can be directly machined by a worker on the left side.

through the left-right movement of two first clamp splice 10, the centre gripping of two second clamp splice 11 of cooperation, can be when to work piece centre gripping, prepare in advance next work piece, when last work piece processing finishes and relaxes, can carry out the centre gripping to next work piece voluntarily, need not to carry out readjustment clamping to can realize continuity of operation, improve work efficiency, and when the centre gripping, the work piece can be in the center of processing position, has played the effect of calibration, can carry out better processing.

Second embodiment

Referring to fig. 4-5 in combination, another machining fixture is proposed according to a second embodiment of the present application based on the machining fixture provided by the first embodiment of the present application. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.

Specifically, the difference of the mechanical processing fixing clamp provided in the second embodiment of the present application is that the side walls of the two first clamping blocks 10 and the two second clamping blocks 11 are provided with a plurality of grooves 16, soft blocks 17 are slidably connected in the grooves 16, and buffer springs 18 are disposed between the soft blocks 17 and the inner walls of the grooves 16.

Two opposite sides of the second clamping blocks 11 are fixedly connected with connecting blocks 19, bolts 20 are arranged on the connecting blocks 19, sliding grooves 21 are formed in the second clamping blocks 11, protection plates 22 are connected in a sliding mode in the sliding grooves 21, and a plurality of insertion holes 23 are formed in the tops of the protection plates 22.

The plug 20 is matched with the jack 23.

The protection plate 22 is arranged to protect the first clamping block 10 and the second clamping block 11 when clamped, if the first clamping block 10 moves excessively, the protection plate 22 can support the first clamping block 10, so that the hand injury of a worker is avoided, the protection safety function is achieved, the position of the protection plate 22 can be adjusted through the matching between the plug pin 20 and the jack 23, the clamp can be used in the work of different workpieces in an adapting mode, and the use range is improved.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A machining fixture, comprising: a base;

2. The machined fixture of claim 1, wherein the bottom of the first threaded block is slidably coupled to the bottom of the base inner wall and the bottom of the second threaded block is slidably coupled to the bottom of the movable base inner wall.

3. The machined fixture of claim 1, wherein the outer surfaces of the first and second pulleys are connected by a belt drive.

4. The machining fixing clamp according to claim 1, wherein a plurality of locating holes are formed in the inner surface of the loop bar, a plurality of locating strips are fixedly connected to the outer surface of the second screw rod, and the locating strips are slidably connected to the inside of the locating holes.

5. The machining fixing clamp according to claim 1, wherein a plurality of grooves are formed in the side walls of the two first clamping blocks and the two second clamping blocks, soft blocks are connected inside the grooves in a sliding mode, and buffer springs are arranged between the soft blocks and the inner walls of the grooves.

6. The machining fixing clamp according to claim 1, wherein two opposite sides of the second clamping blocks are fixedly connected with connecting blocks, bolts are arranged on the connecting blocks, sliding grooves are formed in the second clamping blocks, protection plates are connected in a sliding mode in the sliding grooves, and a plurality of insertion holes are formed in the tops of the protection plates.

7. The machined fixture of claim 6, wherein the pin is adapted to the receptacle.