CN212469879U

CN212469879U - Auxiliary clamp for processing bolt hole

Info

Publication number: CN212469879U
Application number: CN202020830866.6U
Authority: CN
Inventors: 毛军廷; 陈波; 蔡锡海
Original assignee: Suzhou Zhong Jia Precision Machinery Co ltd
Current assignee: Suzhou Zhong Jia Precision Machinery Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-05
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses an auxiliary clamp for processing bolt holes, which comprises a main body and a fixing component arranged on the main body, wherein the fixing component is arranged in a plane vertical to the axial direction of a bolt; the fixed assembly comprises a power piece, a first linkage arm, a first clamping arm, a second linkage arm and a second clamping arm, the power piece is rotatably connected with the first clamping arm through a first linkage piece, one end of the second linkage piece is hinged with the end part of the first linkage piece, and the other end of the second linkage piece is hinged with the second clamping arm; the first linkage arm comprises a first linkage part and a second linkage part vertically connected with the first linkage part, the power part is hinged with the free end of the first linkage part, and the first clamping arm is hinged with the connection point of the first linkage part and the second linkage part; the free ends of the second linkage arm and the second linkage part are hinged. The utility model discloses can reduce the skew of bolt man-hour position, improve the precision of bolt hole processing.

Description

Auxiliary clamp for processing bolt hole

Technical Field

The utility model relates to an anchor clamps equipment field, concretely relates to auxiliary clamp who processes bolt hole.

Background

The countersunk head bolt can be embedded into the surface of the workpiece, so that the surface of the workpiece is kept flat; meanwhile, in order to facilitate the installation and the disassembly of the countersunk head bolt, a countersunk hole needs to be drilled at the corresponding position of the head of the countersunk head bolt. When the countersunk head bolt is mounted and dismounted, the tool rotates the countersunk head bolt by being embedded in the countersunk hole, and the countersunk hole is required to be formed along the vertical direction so as to be matched with the tool; therefore, it is necessary to design a jig for assisting in fixing the countersunk head bolt so as to reduce the deviation of the position when the bolt hole is machined.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an auxiliary clamp of processing bolt hole, it can reduce the skew of bolt man-hour position, improves the precision of bolt hole processing.

In order to solve the technical problem, the utility model provides an auxiliary clamp for processing bolt holes, which comprises a main body and a fixing component arranged on the main body, wherein the fixing component is arranged in a plane perpendicular to the axial direction of a bolt; the fixed assembly comprises a power piece, a first linkage arm, a first clamping arm, a second linkage arm and a second clamping arm, the power piece is rotatably connected with the first clamping arm through a first linkage piece, one end of the second linkage piece is hinged with the end part of the first linkage piece, and the other end of the second linkage piece is hinged with the second clamping arm; the first linkage arm comprises a first linkage part and a second linkage part vertically connected with the first linkage part, the power part is hinged with the free end of the first linkage part, and the first clamping arm is hinged with the connection point of the first linkage part and the second linkage part; the free ends of the second linkage arm and the second linkage part are hinged.

Furthermore, the first clamping arm is hinged to the first linkage arm through a first connecting arm, and the other end of the first connecting arm is hinged to the main body.

Furthermore, the second clamping arm is hinged to the second linkage arm through a second connecting arm, and the other end of the second connecting arm is hinged to the main body.

Further, first centre gripping arm with the second centre gripping arm all is the arc setting, is used for the cooperation the bolt.

Furthermore, friction layers are attached to the first clamping arm and the second clamping arm.

Furthermore, a lifting assembly is arranged on the main body and used for supporting the bolt; the lifting assembly comprises a first base body, and the first base body can move along the axial direction of the bolt so as to adjust the height of the bolt.

Furthermore, a second seat body is arranged on the main body, and the second seat body is positioned below the first seat body and is in threaded connection with the first seat body.

Furthermore, a groove is formed in the first seat body and used for placing the bolt.

Furthermore, the main body is provided with a support frame for supporting the power piece.

Furthermore, pressure sensors are embedded on the first clamping arm and the second clamping arm.

The utility model has the advantages that:

when the extension shaft of the power part extends out, the extension shaft drives the first linkage arm hinged with the extension shaft to move towards the direction far away from the power part, so that the first linkage arm can rotate around a hinge point of the first linkage arm and the first clamping arm, the first linkage arm drives the second linkage arm to move towards the direction close to the second clamping arm, and the second linkage arm is used for pushing the second clamping arm to move towards the direction far away from the bolt; the first clamping arm and the second clamping arm are unlocked from locking the bolt, so that the bolt is convenient to replace; conversely, when the extension shaft of the power part retracts, the extension shaft drives the first linkage arm hinged with the extension shaft to move towards the direction close to the power part, so that the first linkage arm can rotate around a hinge point of the first linkage arm and the first clamping arm, the first linkage arm drives the second linkage arm to move away from the second clamping arm, and the second linkage arm is used for pulling the second clamping arm to move towards the direction close to the bolt; the first clamping arm and the second clamping arm clamp the bolt so as to facilitate the machining of the bolt hole; utilize above-mentioned fixed subassembly can realize the fixed to the bolt to reduce the skew of bolt position in the course of working, with the precision of increase bolt hole processing.

Drawings

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

fig. 2 is a schematic structural diagram of the present invention.

The reference numbers in the figures illustrate: 1. a main body; 2. a power member; 21. a support frame; 3. a first linkage arm; 31. a first linkage section; 32. a second linkage portion; 4. a first clamp arm; 41. a first connecting arm; 5. a second linkage arm; 6. a second clamp arm; 61. a second connecting arm; 71. a first seat body; 72. a second seat body; 8. and (4) bolts.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1 and 2, the utility model discloses an embodiment of an auxiliary clamp for processing bolt hole, including main part 1, the fixed subassembly and the lifting unit of setting in main part 1, fixed subassembly is used for centre gripping and fixing bolt 8, and lifting unit is used for supporting bolt 8 to can adjust the height of bolt 8, make auxiliary clamp can adapt the specification of multiple bolt 8, thereby improve auxiliary clamp's utilization ratio. In this embodiment, the fixing member and the lifting member are respectively located in two perpendicular planes, wherein the fixing member is installed in a plane perpendicular to the axial direction of the bolt 8, thereby facilitating clamping and fixing of the bolt 8.

The fixed assembly comprises a power part 2, a first linkage arm 3, a first clamping arm 4, a second linkage arm 5 and a second clamping arm 6, the power part 2 is hinged and fixed with the main body 1, and meanwhile, the extending end of the power part 2 is hinged with the first clamping arm 4 through the first linkage arm 3. One end of the second linkage arm 5 is hinged with the free end of the first linkage arm 3, and the other end of the second linkage arm is hinged with the second clamping arm 6. The first linkage arm 3 comprises a first linkage part 31 and a second linkage part 32 vertically connected with the first linkage part 31, the power part 2 is hinged with the free end of the first linkage part 31, and the first clamping arm 4 is hinged with the connection point of the first linkage part 31 and the second linkage part 32; the free ends of the second linkage arm 5 and the second linkage portion 32 are hinged. In order to increase the stability of the power member 2 during operation, a support frame 21 for supporting the power member 2 is disposed on the main body 1, and the power member 2 is preferably a cylinder in this embodiment.

When the extension shaft of the power part 2 extends out, the extension shaft drives the first linkage arm 3 hinged with the extension shaft to move towards the direction far away from the power part 2, so that the first linkage arm 3 can rotate around the hinge point of the first linkage arm 3 and the first clamping arm 4, the first linkage arm 3 drives the second linkage arm 5 to move towards the direction close to the second clamping arm 6, and the second linkage arm 5 is used for pushing the second clamping arm 6 to move towards the direction far away from the bolt 8; so that the first and second clamp arms 4 and 6 unlock the bolt 8, thereby facilitating replacement of the bolt 8. Conversely, when the extension shaft of the power part 2 retracts, the extension shaft drives the first linkage arm 3 hinged with the extension shaft to move towards the direction close to the power part 2, so that the first linkage arm 3 can rotate around the hinged point of the first linkage arm 3 and the first clamping arm 4, the first linkage arm 3 drives the second linkage arm 5 to move away from the second clamping arm 6, and the second linkage arm 5 is used for pulling the second clamping arm 6 to move towards the direction close to the bolt 8; so that the first and second clamp arms 4 and 6 clamp the bolt 8 to machine the bolt hole.

The first clamping arm 4 is hinged with the first linkage arm 3 through a first connecting arm 41, wherein one end of the first connecting arm 41 is hinged with the first linkage arm 3, the other end of the first connecting arm 41 is hinged with the main body 1, and the first clamping arm 4 is hinged with the middle part of the first connecting arm 41. In addition, the second holding arm 6 is hinged to the second linkage arm 5 through a second connecting arm 61, wherein one end of the second connecting arm 61 is hinged to the second linkage arm 5, the other end is hinged to the main body 1, and the second holding arm 6 is hinged to the middle of the second connecting arm 61. The first and second clamp arms 4 and 6 can be easily mounted and fixed by the first and second connecting

arms

41 and 61.

First centre gripping arm 4 and second centre gripping arm 6 are all the arc setting to the concave part of first centre gripping arm 4 and the concave part of second centre gripping arm 6 set up relatively, thus be convenient for utilize first centre gripping arm 4 and second centre gripping arm 6 fixing bolt 8. First centre gripping arm 4 and second centre gripping arm 6 that are the arc setting can increase its area of contact with bolt 8 to can reduce the skew of bolt 8 processing man-hour position, guarantee bolt hole processing's precision.

The first holding arm 4 and the second holding arm 6 are attached with friction layers, and the material of the friction layers is preferably rubber in the embodiment. The friction force between the first clamping arm 4 and the bolt 8 and the friction force between the second clamping arm 6 and the bolt 8 can be increased by utilizing the friction layer, so that the stability of the first clamping arm 4 and the second clamping arm 6 when the bolt 8 is locked is increased; meanwhile, the friction layer can avoid rigid contact between the first clamping arm 4 and the second clamping arm 6 and the bolt 8, so that damage to the bolt 8 is reduced.

All inlay on first centre gripping arm 4 and the second centre gripping arm 6 and be equipped with pressure sensor, utilize pressure sensor to be convenient for detect first centre gripping arm 4 and the thrust that the bolt 8 was applyed to second centre gripping arm 6 to stability when guaranteeing the bolt 8 and fix.

The lifting assembly comprises a first base body 71, wherein the first base body 71 is positioned below the bolt 8; meanwhile, the first seat body 71 can move along the axial direction of the bolt 8, so that the position of the first seat body 71 can be adjusted conveniently according to the specification of the bolt 8 to be processed, and the bolt 8 can be attached to the first clamping arm 4 and the second clamping arm 6. Therefore, a linear motor or an air cylinder may be disposed below the first seat 71 to push the first seat 71 to move along a straight line.

In addition, in another embodiment, the main body 1 is provided with a second seat 72, the second seat 72 is located below the first seat 71, and the second seat 72 and the first seat 71 are connected by screw threads. The second seat 72 is fixedly disposed on the main body 1, and the height of the bolt 8 can be adjusted by using the first seat 71 threadedly coupled with the second seat 72, thereby facilitating operation and use.

In addition, since the first seat 71 is formed with a groove and the lower end portion of the bolt 8 can be fitted into the groove, the position of the bolt 8 is restricted by the groove, so that the stability of fixing the bolt 8 can be further increased, and the positional deviation of the bolt 8 during machining can be reduced to improve the accuracy of bolt hole machining.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. An auxiliary clamp for machining a bolt hole is characterized by comprising a main body and a fixing assembly arranged on the main body, wherein the fixing assembly is arranged in a plane perpendicular to the axial direction of a bolt; the fixed assembly comprises a power piece, a first linkage arm, a first clamping arm, a second linkage arm and a second clamping arm, the power piece is rotatably connected with the first clamping arm through a first linkage piece, one end of the second linkage piece is hinged with the end part of the first linkage piece, and the other end of the second linkage piece is hinged with the second clamping arm; the first linkage arm comprises a first linkage part and a second linkage part vertically connected with the first linkage part, the power part is hinged with the free end of the first linkage part, and the first clamping arm is hinged with the connection point of the first linkage part and the second linkage part; the free ends of the second linkage arm and the second linkage part are hinged.

2. The auxiliary clamp for machining bolt holes in claim 1, wherein the first clamping arm is hinged to the first linkage arm through a first connecting arm, and the other end of the first connecting arm is hinged to the main body.

3. The auxiliary clamp for machining bolt holes according to claim 1, wherein the second clamping arm is hinged to the second linkage arm through a second connecting arm, and the other end of the second connecting arm is hinged to the main body.

4. An auxiliary bolt hole machining jig according to claim 1 wherein the first clamping arm and the second clamping arm are each arcuate in shape to engage the bolt.

5. The auxiliary tool for machining bolt holes according to claim 1, wherein a friction layer is attached to each of the first holding arm and the second holding arm.

6. The auxiliary jig for processing bolt holes according to claim 1, wherein the main body is provided with a lifting assembly for supporting the bolt; the lifting assembly comprises a first base body, and the first base body can move along the axial direction of the bolt so as to adjust the height of the bolt.

7. The auxiliary clamp for machining bolt holes according to claim 6, wherein a second seat is disposed on the main body, and the second seat is located below the first seat and is in threaded connection with the first seat.

8. The auxiliary tool for machining bolt holes according to claim 6, wherein the first seat has a groove for receiving the bolt.

9. An auxiliary jig for machining bolt holes according to claim 1, wherein a support frame for supporting the power member is provided on the main body.

10. The auxiliary tool for machining bolt holes according to claim 1, wherein a pressure sensor is embedded in each of the first holding arm and the second holding arm.