CN219725355U - Processing clamp with stable clamping - Google Patents

Abstract

The utility model relates to the technical field of processing clamps and discloses a processing clamp with stable clamping, which comprises a fixed box and a positioning disc, wherein the bottom of the fixed box is connected with a movable box in a sliding manner, the middle of the inside of the movable box is connected with a gear in a rotating manner, two sides of the gear are connected with racks in a meshed manner, the middle of each rack is penetrated with a fixing bolt, the bottom end of each fixing bolt penetrates the movable box, the top end of each fixing bolt is fixedly connected with the inner wall of the movable box, one end of each rack, which is far away from the gear, is fixedly connected with an extension rod, and one end of each extension rod extends out of the movable box; this kind of processing anchor clamps of centre gripping is stable, through fixed bottom of the case sliding connection having movable box, the inside fixedly connected with gear of movable box, the both sides meshing of gear is connected with the rack, the one end fixedly connected with extension rod of rack, through pulling or pushing the extension rod, and then makes symmetrical rack and extension rod remove, and then makes two grip blocks remove in opposite directions, and then makes the device carry out the centre gripping to the ring flange of equidimension.

Description

Processing clamp with stable clamping

Technical Field

The utility model relates to the technical field of machining fixtures, in particular to a machining fixture with stable clamping.

Background

The flange is called flange plate or flange, the parts for connecting pipes are connected to the pipe ends, the clamping function of the existing flange plate is not perfect enough when in processing, the flange plate falls off in the processing process, and improvement is needed to solve the problem.

Among the prior art, as patent number CN215470627U has proposed a ring flange adds clamping apparatus, this technical scheme relates to ring flange processing technology field, and a ring flange adds clamping apparatus is disclosed, including the fixed box, the positive fixedly connected with positioning disk of fixed box, the fixed room has been seted up in the fixed box, fixed box right side middle part is provided with fixture, fixture is including the carousel, fixing bolt, two-way threaded rod, ball nut is vice, first movable block, first grip block, second movable block and second grip block, the carousel rotates to be connected in fixed box right side middle part, fixing bolt threaded connection is in carousel back middle part, two-way threaded rod fixed connection is in the carousel left side, ball nut pair threaded connection is in the positive left side of two-way threaded rod. This ring flange adds clamping apparatus through setting up fixture, can insert the flange edge with the clamping groove on first grip block and second grip block right side to fix the flange, through twisting fixing bolt, the carousel is fixed, prevents carousel rotation.

However, the above technical solution has the following disadvantages:

when this ring flange adds clamping apparatus is in use, probably need carry out the centre gripping to the ring flange of equidimension not, but this adds clamping apparatus when the centre gripping ring flange, can only carry out the centre gripping to the ring flange that the diameter is great, can't stabilize the centre gripping to the ring flange that the diameter is less than movable block length to make this add clamping apparatus comparatively unstable to the centre gripping of the less ring flange of diameter, can't the centre gripping even, and then lead to this ring flange adds clamping apparatus's suitability lower.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the processing clamp with stable clamping, which at least solves one of the problems of the background technology, so that the processing clamp is more convenient to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a processing anchor clamps of centre gripping stability, including fixed box and positioning disk, the bottom sliding connection of fixed box has the removal case, the centre rotation of removal incasement portion is connected with the gear, the both sides meshing of gear is connected with the rack, it has fixing bolt to run through in the middle of two racks, fixing bolt's bottom runs through the removal case, fixing bolt's top and the inner wall fixed connection who removes the case, the one end fixedly connected with extension rod of gear is kept away from to the rack, the one end of extension rod extends the removal case, and with removal case sliding connection, the top of extension rod one end is connected with the grip block.

Preferably, the outer wall of the fixing bolt is sleeved with a circular ring, the circular ring is fixedly connected with the fixing bolt, and the top of the circular ring is fixedly connected with a rubber pad.

Preferably, the bottom of the clamping block is rotationally connected with the extension rod, and a limit screw penetrates through the bottom of the extension rod and is in threaded connection with the clamping block.

Preferably, the clamping block is arc-shaped, and a rubber pad is fixedly connected to the inner side of the clamping block.

Preferably, one end of the fixing bolt is fixedly connected with a handle, and the handle is in special-shaped arrangement.

Preferably, the limit screw is arranged in an embedded hexagonal mode.

Preferably, the outer wall of the handle is sleeved with an anti-skid sleeve.

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

this kind of processing anchor clamps of centre gripping is stable, through fixed bottom of the case sliding connection having the removal case, the inside fixedly connected with gear of removal case, the both sides meshing of gear is connected with the rack, the one end fixedly connected with extension rod of rack, the one end of extension rod is connected with the grip block, through pulling or promote the extension rod, can drive the rack and remove, thereby make gear rotation, and then make symmetrical rack and extension rod remove, and then make two grip blocks remove in opposite directions, the benefit of setting like this lies in, can be through the regulation to the distance between the grip block, and then make the device carry out the centre gripping to the ring flange of equidimension not, and then make the suitability of device higher.

Drawings

FIG. 1 is a schematic perspective view of the whole structure of the present utility model;

FIG. 2 is a schematic perspective view of the whole structure of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 4 is an enlarged schematic view of the fixing bolt of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a fixed box; 2. a positioning plate; 3. a moving case; 4. a gear; 5. a rack; 6. an extension rod; 7. a clamping block; 8. a fixing bolt; 9. a circular ring; 10. a limit screw; 11. a handle.

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.

Referring to fig. 1-5, a processing fixture with stable clamping comprises a fixed box 1 and a positioning disc 2, wherein the bottom of the fixed box 1 is slidably connected with a movable box 3, a gear 4 is rotatably connected in the middle of the inside of the movable box 3, racks 5 are connected to two sides of the gear 4 in a meshed manner, a fixing bolt 8 penetrates through the middle of the two racks 5, the bottom end of the fixing bolt 8 penetrates through the movable box 3, the top end of the fixing bolt 8 is fixedly connected with the inner wall of the movable box 3, one end, far away from the gear 4, of the rack 5 is fixedly connected with an extension rod 6, one end of the extension rod 6 extends out of the movable box 3 and is slidably connected with the movable box 3, and the top of one end of the extension rod 6 is connected with a clamping block 7.

Specific working principle and implementation mode: according to the prior art of the patent number CN215470627U, when the flange is clamped by the processing clamp, the flange with larger diameter can be clamped only, and the flange with the diameter smaller than the length of the moving block cannot be clamped stably, so that the flange with smaller diameter cannot be clamped stably, and the applicability of the flange processing clamp is lower; accordingly, there are technical problems mentioned in the background art; the scheme can solve the problems; through fixed box 1 bottom sliding connection has movable box 3, the inside fixedly connected with gear 4 of movable box 3, the both sides meshing of gear 4 is connected with rack 5, the one end fixedly connected with extension rod 6 of rack 5, the one end of extension rod 6 is connected with grip block 7, rotate fixing bolt 8, make it become loose, through pulling or promote extension rod 6, can drive rack 5 and remove, thereby make gear 4 rotate, and then make symmetrical rack 5 and extension rod 6 remove, and then make two grip blocks 7 remove in opposite directions, after the distance between two grip blocks 7 is adjusted suitably, screw up fixing bolt 8, the device can normal use, the benefit of setting like this is that can be through the regulation to the distance between the grip block 7, and then make the device can carry out the centre gripping to the ring flange of equidimension, and then make the suitability of the device higher.

As shown in fig. 4, the outer wall of the fixing bolt 8 is sleeved with a circular ring 9, the circular ring 9 is fixedly connected with the fixing bolt 8, the top of the circular ring 9 is fixedly connected with a rubber pad, when a worker needs to adjust the distance between the clamping blocks 7, the fixing bolt 8 is rotated to loosen the clamping blocks, the gear 4 can rotate, after the distance between the clamping blocks 7 is adjusted, the fixing bolt 8 is screwed down, the circular ring 9 is abutted against the gear 4, the gear 4 cannot rotate, the friction force between the circular ring 9 and the gear 4 can be increased through the rubber pad fixedly connected with the top of the circular ring 9, and the device is further stable when in use.

As shown in fig. 1 and 5, the bottom of the clamping block 7 is rotationally connected with the extension rod 6, and the bottom of the extension rod 6 is penetrated with a limit screw 10, the limit screw 10 is in threaded connection with the clamping block 7, the bottom of the clamping block 7 is rotationally connected with the extension rod 6, and the extension rod 6 is in threaded connection with the clamping block 7 through the limit screw 10, when a worker needs to adjust the angle of the clamping block 7, the clamping block 7 can be rotated by unscrewing the limit screw 10 through a tool, after the angle is adjusted properly, the limit screw 10 is screwed down, the device can be used normally, and the device has the advantages that the clamping of the device to a flange plate is more stable and the applicability is higher through the adjustment of the angle of the clamping block 7.

As shown in fig. 1, the clamping block 7 is in an arc-shaped arrangement, and the inner side of the clamping block 7 is fixedly connected with a rubber pad, so that the area of the clamping block 7 and the area of the flange are larger when the flange is clamped by the device through the arc-shaped arrangement of the clamping block 7, and the friction force between the clamping block 7 and the flange can be increased through the rubber pad fixedly connected with the inner side of the clamping block 7, so that the stability of the device for clamping the flange is effectively improved.

As shown in fig. 2 and 4, one end of the fixing bolt 8 is fixedly connected with a handle 11, the handle 11 is in a special-shaped arrangement, the handle 11 is fixedly connected with one end of the fixing bolt 8, and the handle 11 is in a special-shaped arrangement, so that a worker can rotate the fixing bolt 8 by hand through the handle 11 without using any tool, and the device can be used more easily and conveniently.

As shown in fig. 5, the limit screw 10 is an embedded hexagonal device, and the limit screw 10 is not easy to slide through the embedded hexagonal device of the limit screw 10, and the operator can rotate the limit screw 10 through a tool more conveniently.

As shown in fig. 2, the outer wall of the handle 11 is sleeved with an anti-slip sleeve, and the friction between the hand of the worker and the handle 11 can be effectively increased through the anti-slip sleeve sleeved on the outer wall of the handle 11, so that the worker is prevented from sliding by the hand, and the worker is enabled to rotate the handle 11 more easily and conveniently.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a processing anchor clamps that centre gripping is stable, including fixed box (1) and positioning disk (2), a serial communication port, the bottom sliding connection of fixed box (1) has movable box (3), the inside centre rotation of movable box (3) is connected with gear (4), the both sides meshing of gear (4) is connected with rack (5), the centre of two racks (5) is run through there is fixing bolt (8), movable box (3) is run through in the bottom of fixing bolt (8), the top of fixing bolt (8) and the inner wall fixed connection of movable box (3), the one end fixedly connected with extension rod (6) of gear (4) are kept away from to rack (5), the one end of extension rod (6) extends movable box (3), and with movable box (3) sliding connection, the top of extension rod (6) one end is connected with grip block (7).

2. A stable clamping machining fixture according to claim 1, wherein: the outer wall cover of fixing bolt (8) is equipped with ring (9), and ring (9) and fixing bolt (8) fixed connection, the top fixedly connected with rubber pad of ring (9).

3. A stable clamping machining fixture according to claim 1, wherein: the bottom of the clamping block (7) is rotationally connected with the extension rod (6), and a limit screw (10) penetrates through the bottom of the extension rod (6), and the limit screw (10) is in threaded connection with the clamping block (7).

4. A stable clamping machining fixture according to claim 1, wherein: the clamping block (7) is in an arc-shaped arrangement, and a rubber pad is fixedly connected to the inner side of the clamping block (7).

5. A stable clamping machining fixture according to claim 1, wherein: one end of the fixing bolt (8) is fixedly connected with a handle (11), and the handle (11) is in special-shaped arrangement.

6. A clamp-stable tooling fixture according to claim 3 wherein: the limit screw (10) is arranged in an embedded hexagonal mode.

7. The stable clamping machining fixture of claim 5, wherein: an anti-skid sleeve is sleeved on the outer wall of the handle (11).