CN209935926U

CN209935926U - Clamp for boring

Info

Publication number: CN209935926U
Application number: CN201920646453.XU
Authority: CN
Inventors: 王浩奕
Original assignee: Haiyan Ruijie Precision Machinery Co Ltd
Current assignee: Haiyan Ruijie Precision Machinery Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-14
Anticipated expiration: 2029-05-07

Abstract

The utility model provides a anchor clamps for bore hole belongs to mechanical technical field, and it has solved the poor problem of current bore hole anchor clamps location effect. This anchor clamps for bore hole include: the oil cylinder is arranged on the positioning block, and an output shaft of the oil cylinder extends upwards and is connected with a pressing plate; the brake support is placed on the positioning block and comprises a body, two ends of the body extend outwards to form a left lug and a right lug respectively, the left lug abuts against the limiting block, the positioning clamping jaw is clamped on the right lug, and the pressing plate is buckled on the body. The utility model has the characteristics of location effect is good.

Description

Clamp for boring

Technical Field

The utility model belongs to the technical field of machinery, a anchor clamps for bore hole is related to, especially a hydraulic fixture that brake support bore hole was used.

Background

In the mechanical manufacturing process, a clamp is often adopted to fix a processing object to enable the processing object to occupy a correct position, so that the processing object can be quickly, conveniently and safely subjected to construction or detection. The fixture includes a welding fixture, an inspection fixture, an assembly fixture, a machine tool fixture, etc., wherein the machine tool fixture is the most common, and the fixture is generally composed of a positioning element, a clamping device, a tool setting guide element, an indexing device, a connecting element, a fixture body, etc.

The fixture can be divided into a universal fixture and a special fixture, the universal fixture can be well adapted to the change of a processing procedure and a processing object, the special fixture is generally manufactured for the clamping requirement of a certain product part on a certain procedure, and the common special fixture comprises a lathe fixture, a milling machine fixture, a drill jig, a boring jig, a follower fixture and the like.

After the brake spider is initially formed, the spider needs to be bored to facilitate connection of the brake spider to other components. The existing production is that holes are often drilled on a tooling plate, the mandrel is clamped after being assisted and fixed, the mandrel is taken down at the later stage, and boring is carried out, so that the operation is relatively complex, the positioning precision of a workpiece is relatively low, and the boring effect is not ideal enough.

To sum up, for solving the structural not enough of current bore hole anchor clamps, the utility model relates to a rational in infrastructure, fix a position effectual anchor clamps for bore hole.

Disclosure of Invention

The utility model discloses a solve the problem that prior art exists, provide a rational in infrastructure, fix a position effectual anchor clamps for bore hole.

The purpose of the utility model can be realized by the following technical proposal: a jig for boring, comprising:

the oil cylinder is arranged on the positioning block, and an output shaft of the oil cylinder extends upwards and is connected with a pressing plate;

the brake support is placed on the positioning block and comprises a body, two ends of the body extend outwards to form a left lug and a right lug respectively, the left lug abuts against the limiting block, the positioning clamping jaw is clamped on the right lug, and the pressing plate is buckled on the body.

As a further improvement of the scheme, the body is arranged in a hollow mode, the oil cylinder is embedded in the positioning block, the output shaft sequentially penetrates through the positioning block and the body upwards and is connected with the adjusting nut, the pressing plate is sleeved on the output shaft, and the pressing plate is located between the body and the adjusting nut.

As a further improvement of the scheme, the middle part of the pressure plate is provided with an inclined plane, a U-shaped notch is formed in the inclined plane in a penetrating mode, and the output shaft is embedded in the U-shaped notch.

As a further improvement of the scheme, a V-shaped groove is formed in one side, facing the left lug, of the limiting block and is arranged in the vertical direction, and two side walls of the V-shaped groove are respectively arranged in a tangent mode with the peripheral side face of the left lug.

As a further improvement of the scheme, a plurality of mounting seats corresponding to the positioning blocks are fixedly arranged on the base, each mounting seat is provided with an air cylinder, and the positioning clamping jaws are respectively connected with the corresponding air cylinders.

As a further improvement of the scheme, the positioning clamping jaw is provided with two clamping parts, and the two clamping parts are respectively arranged in a tangent mode with the peripheral side face of the right lug.

As another improvement of the scheme, the limiting block and the positioning clamping jaw are arranged on two sides of the positioning block respectively, and the axial leads of the limiting block and the positioning clamping jaw are positioned on the same vertical plane.

Compared with the prior art, the utility model discloses the structure sets up rationally, sets up the locating piece and is convenient for the brake support to place and stabilizes the clamping through stopper and location jack catch's cooperation setting to the brake support simultaneously, guarantees that the location is stable, in addition, drives the structural design of clamp plate through the hydro-cylinder, further carries out clamping action to the brake support, ensures that the brake support keeps steady state in the bore hole in-process, is favorable to going on of bore hole.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partial structural schematic diagram of fig. 1.

Fig. 3 is a schematic structural diagram of the middle pressing plate of the present invention.

In the figure, 10, the base; 20. positioning blocks; 21. an oil cylinder; 22. pressing a plate; 221. a bevel; 222. a U-shaped notch; 23. adjusting the nut; 30. a limiting block; 31. a "V" shaped groove; 40. a mounting seat; 41. a cylinder; 42. positioning the clamping jaw; 50. a brake bracket; 51. a left lug; 52. a right lug; 53. a body.

Detailed Description

The technical solution of the present invention will be further explained with reference to the following embodiments and accompanying drawings.

As shown in fig. 1 to 3, the boring jig includes:

the positioning device comprises a base 10, a plurality of positioning blocks 20 are arranged on the base 10, a limiting block 30 is arranged on one side of each positioning block 20, a positioning claw 42 is movably arranged on the other side of each positioning block 20, an oil cylinder 21 is arranged on each positioning block 20, and an output shaft of each oil cylinder 21 extends upwards and is connected with a pressing plate 22;

the brake bracket 50 is placed on the positioning block 20, the brake bracket 50 comprises a body 53, two ends of the body 53 respectively extend outwards to form a left lug 51 and a right lug 52, the left lug 51 abuts against the limiting block 30, the positioning claw 42 is clamped on the right lug 52, and the pressing plate 22 is buckled on the body 53.

After the brake bracket 50 is preliminarily formed, the bracket needs to be bored, holes are usually punched in a tooling plate in the existing production, the clamping is carried out after the auxiliary fixing is carried out on the core rod, the core rod is taken down in the later stage, the boring work is carried out, the operation is relatively complex, the positioning precision of a workpiece is relatively low, and the boring effect is not ideal enough.

Therefore, the utility model discloses an anchor clamps for bore hole sets up locating piece 20 and is convenient for brake support 50 to place and stabilizes the clamping through stopper 30 and positioning claw 42's cooperation setting brake support 50 simultaneously, guarantees that the location is stable, in addition, drives clamp plate 22 through hydro-cylinder 21 and further carries out clamping effect to brake support 50, is favorable to going on of bore hole.

Specifically, the base 10 is provided with the plurality of positioning blocks 20, the brake supports 50 are arranged in one-to-one correspondence with the positioning blocks 20, the body 53 of each brake support 50 is arranged on the corresponding positioning block 20, the limiting blocks 30 and the positioning claws 42 respectively clamp the left lugs 51 and the right lugs 52, and meanwhile the pressing plate 22 compresses the body 53 to realize stable positioning of the brake supports 50.

The specific positions of the bores are on the two lugs, wherein the number of the bores on the left lug 51 is one, and the number of the bores on the right lug 52 is two, and the left lug 51 and the right lug 52 are only specified to facilitate distinguishing the two lugs.

In addition, the number of the positioning blocks 20 may be set according to the size of the base 10 and different specifications of the brake bracket 50, and is not limited herein.

Preferably, the body 53 is hollow, the cylinder 21 is embedded in the positioning block 20, the output shaft sequentially penetrates through the positioning block 20 and the body 53 upward and is connected with the adjusting nut 23, the pressing plate 22 is sleeved on the output shaft, and the pressing plate 22 is located between the body 53 and the adjusting nut 23.

The inside cavity of brake support 50 body 53 is convenient for the output shaft of hydro-cylinder 21 upwards to run through and pass through, and then drives clamp plate 22 lock on body 53, for getting of brake support 50, the output shaft end connection of preferred hydro-cylinder 21 has adjusting nut 23 in this embodiment.

When the brake bracket 50 is arranged on the positioning block 20, the limiting block 30 and the positioning claw 42 clamp the corresponding lugs, the pressing plate 22 is sleeved on the output shaft of the oil cylinder 21 to press the body 53, the adjusting nut 23 is screwed on the output shaft of the oil cylinder 21 and screwed, and the pressing plate 22 can be driven to further press the body 53 when the subsequent oil cylinder 21 works, so that the body 53 is ensured to be positioned stably.

Furthermore, the middle of the pressing plate 22 is provided with an inclined surface 221, a "U" shaped notch 222 is formed on the inclined surface 221 in a penetrating manner, and the output shaft is embedded in the "U" shaped notch 222.

In this embodiment, it is preferable that the pressing plate 22 is provided with an inclined surface 221 and further provided with a U-shaped notch 222, and the pressing plate 22 is clamped on the output shaft of the oil cylinder 21 through the notch, so that the pressing plate 22 and the output shaft of the oil cylinder 21 can be quickly connected or detached. In addition, the inclined surface 221 is arranged such that the end surface portion of the adjusting nut 23 is in contact with the inclined surface 221, which facilitates quick tightening or loosening of the adjusting nut 23, facilitates operation, and improves work efficiency.

Preferably, a V-shaped groove 31 is formed on one side of the stopper 30 facing the left lug 51, the V-shaped groove 31 is arranged along the vertical direction, and two side walls of the V-shaped groove 31 are respectively arranged in a tangential manner with the peripheral side surface of the left lug 51.

The V-shaped groove 31 on the limiting block 30 is tangent to the left lug 51, so that more uniform acting force can be applied to the left lug 51, the brake support 50 is prevented from deviating, the bottom of the V-shaped groove 31 is actually arranged to be a plane structure, the processing and the manufacturing are convenient, meanwhile, the positioning effect of the limiting block 30 cannot be influenced, and the design is reasonable.

Furthermore, a plurality of mounting seats 40 corresponding to the positioning blocks 20 are fixedly arranged on the base 10, each mounting seat 40 is provided with an air cylinder 41, and the positioning claws 42 are respectively connected with the corresponding air cylinders 41.

In this embodiment, it is preferable that the mounting seat 40 is provided to facilitate the mounting of the cylinder 41 and also facilitate the mounting of the positioning claw 42, the mounting seat 40 is actually provided in a one-to-one correspondence with the positioning block 20 and is also provided in a one-to-one correspondence with the limiting block 30, and during actual operation, the cylinder 41 controls the positioning claw 42 to move so as to clamp the right lug 52.

It should be mentioned that the limiting block 30 and the positioning claw 42 are respectively arranged at two sides of the positioning block 20, and the axial lines of the limiting block 30 and the positioning claw 42 are on the same vertical plane.

In actual work, after the brake bracket 50 is arranged on the positioning block 20, the left lug 51 is abutted against the V-shaped groove 31 of the limiting block 30, the cylinder 41 drives the positioning claw 42 to clamp the right lug 52, at the moment, the directions of acting forces of the limiting block 30 and the positioning claw 42 on the brake bracket 50 are opposite, and because the two lugs are not at the same height, the acting forces exerted by the limiting block 30 and the positioning claw 42 are not at the same height but are in the same vertical plane, which is beneficial to ensuring the stability of the brake bracket 50 in positioning.

Preferably, the positioning pawl 42 has two clamping portions, and the two clamping portions are respectively provided tangentially to the outer peripheral side of the right lug 52.

In this embodiment, it is preferable that the positioning claw 42 is substantially arranged in a concave line, the two clamping portions are located at two ends of the positioning claw 42, and when the positioning claw is in operation, the cylinder 41 drives the positioning claw 42 to clamp the right lug 52, so as to effectively position the brake bracket 50 and facilitate boring.

During operation, the brake bracket 50 is arranged on the positioning block 20, the limiting block 30 and the positioning claw 42 correspondingly clamp the lugs, and then the oil cylinder 21 drives the pressing plate 22 to further press the body 53, so as to bore the two lugs.

After boring is finished, the oil cylinder 21 acts to drive the pressing plate 22 to be separated from the body 53, at the moment, the adjusting nut 23 is manually unscrewed, the pressing plate 22 is taken down, the air cylinder 41 controls the positioning clamping jaw 42 to be separated from the right lug 52, the brake bracket 50 can be taken down from the positioning block 20, and boring is finished.

This anchor clamps for bore hole structure sets up rationally, sets up locating piece 20 and is convenient for brake support 50 to place and set up brake support 50 through stopper 30 and positioning claw 42's cooperation simultaneously and stabilize the clamping, guarantees the location stability, and in addition, through the structural design that hydro-cylinder 21 drove clamp plate 22, further carries out the clamping effect to brake support 50, ensures that brake support 50 keeps stable state at the bore hole in-process, is favorable to going on of bore hole.

The preferred embodiments of the present invention are described herein, but the scope of the present invention is not limited thereto. Modifications or additions to or replacement by similar means to those skilled in the art to which the invention pertains to the specific embodiments described herein are intended to be covered by the scope of the invention.

Claims

1. A jig for boring is characterized by comprising:

the positioning device comprises a base (10), wherein a plurality of positioning blocks (20) are arranged on the base, one side of each positioning block is provided with a limiting block (30), the other side of each positioning block is movably provided with a positioning clamping jaw (42), an oil cylinder (21) is arranged on each positioning block, and an output shaft of each oil cylinder extends upwards and is connected with a pressing plate (22);

brake support (50), place on the locating piece, brake support includes body (53), and the body both ends outwards extend respectively and form left lug (51), right lug (52), and left lug supports and leans on the stopper, and the clamping jaw centre gripping is on right lug, and above-mentioned clamp plate lock is on the body.

2. The clamp for boring according to claim 1, wherein the body is hollow, the oil cylinder is embedded in the positioning block, the output shaft sequentially penetrates through the positioning block and the body upwards and is connected with an adjusting nut (23), the pressing plate is sleeved on the output shaft, and the pressing plate is located between the body and the adjusting nut.

3. The clamp for boring hole according to claim 2, wherein the pressing plate has a slope (221) formed at a middle portion thereof and a U-shaped notch (222) formed through the slope, and the output shaft is fitted into the U-shaped notch.

4. The clamp for boring according to claim 1, wherein the stopper is provided with a V-shaped groove (31) towards one side of the left lug, and the V-shaped groove is arranged along the vertical direction, and two side walls of the V-shaped groove are respectively arranged in a tangential manner with the peripheral side surface of the left lug.

5. A boring jig according to claim 1, wherein the base is fixedly provided with a plurality of mounting seats (40) corresponding to the respective positioning blocks, each mounting seat is provided with a cylinder (41), and the positioning claws are respectively connected to the corresponding cylinders.

6. A boring jig according to claim 1 or 5, wherein the positioning claw has two holding portions, and the two holding portions are provided tangentially to the outer peripheral side surface of the right lug, respectively.

7. The jig for boring as claimed in claim 1, wherein the stopper and the positioning claw are arranged at both sides of the positioning block, and the axial lines of the stopper and the positioning claw are on the same vertical plane.