CN210790034U

CN210790034U - Broach clamping device

Info

Publication number: CN210790034U
Application number: CN201921768118.3U
Authority: CN
Inventors: 罗小刚; 黄智敏; 翁志明
Original assignee: Shaoguan Chiyuan Tools Co Ltd
Current assignee: Shaoguan Chiyuan Tools Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-06-19
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a broach clamping device, including board and broach body, the bottom of board is fixed with adapter sleeve and spliced pole, the spliced pole is located the inside of adapter sleeve, the connecting pipe has been cup jointed in the outside activity of spliced pole, the top of connecting pipe is fixed with the spacing ring, the bottom of adapter sleeve is fixed with solid fixed ring, the mounting groove has been seted up to the inner wall of connecting pipe, the inside of mounting groove is equipped with the grip block, the tank bottom swing joint of free bearing and mounting groove is passed through at the middle part of grip block, the side of grip block is equipped with the backup pad, the one end and the spliced pole of backup pad are fixed mutually. The utility model discloses can be at the broach at the pulling in-process, the clamp force that further enhancement broach body received is favorable to preventing that the broach body from appearing pine and taking off the circumstances such as waiting, is favorable to improving this broach clamping device's stability, makes whole process easy operation in addition, and easy dismounting is favorable to improving work efficiency, ensures work piece processingquality.

Description

Broach clamping device

Technical Field

The utility model relates to a broach fixed equipment technical field especially relates to a broach clamping device.

Background

A broach is a workpiece machining tool, which is often used for machining round holes, splined holes, keyways, flats, shaped surfaces, etc. in mass production and high productivity, and often needs to be fixed by a clamping device.

However, in the existing broach clamping device, the broach is often clamped by an external force before the broach works, but in the broach pulling process, the broach is influenced by workpiece resistance, fine sliding may still occur, and the stability is poor, so that the processing quality of the workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a broach clamping device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a broach clamping device comprises a machine table and a broach body, wherein a connecting sleeve and a connecting column are fixed at the bottom of the machine table, the connecting column is positioned in the connecting sleeve, a connecting pipe is movably sleeved at the outer side of the connecting column, a limiting ring is fixed at the top of the connecting pipe, a fixing ring is fixed at the bottom of the connecting sleeve, a mounting groove is formed in the inner wall of the connecting pipe, a clamping plate is arranged in the mounting groove, the middle of the clamping plate is movably connected with the groove bottom of the mounting groove through a hinged support, a supporting plate is arranged on the side surface of the clamping plate, one end of the supporting plate is fixed with the connecting column, a supporting wheel is movably mounted at the other end of the supporting plate and is in contact with the side surface of the clamping plate, the clamping plate is connected with the groove bottom of the mounting groove through a spring, the broach body movably, the internal thread of the threaded hole penetrates through a bolt rod, and one end of the bolt rod is fixed with a squeezing plate.

Preferably, the number of the mounting grooves is four, and the four mounting grooves are uniformly distributed on the inner wall of the connecting pipe.

Preferably, the clamping plate is an inclined plate, and an anti-skid pad is fixed on the inclined surface of the clamping plate.

Preferably, the spring is located near the top of the clamping plate.

Preferably, the threaded holes are close to the bottom position of the connecting pipe, and the number of the threaded holes is three.

Preferably, the extrusion plate is an arc-shaped plate, and the side surface of the extrusion plate is contacted with the side surface of the broach body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in through setting up spliced pole, connecting pipe, mounting groove, grip block, free bearing, backup pad, supporting wheel and spring for this broach clamping device is at the broach body at the pulling in-process, and the further clamp force that has strengthened the broach body and received is favorable to preventing the broach body condition such as pine take off to appear, is favorable to improving this broach clamping device's stability.

2. The utility model discloses in through setting up adapter sleeve, spliced pole, connecting pipe, spacing ring, solid fixed ring, screw hole, shank of bolt, stripper plate and slipmat for this broach clamping device can insert the connecting pipe with the broach body fast and fix spacingly, makes whole process easy operation, and easy dismounting is favorable to improving work efficiency.

To sum up, this broach clamping device can be at the broach in the pulling process, and the further clamp force that strengthens the broach body and receive is favorable to preventing the broach body condition such as pine from taking off, is favorable to improving this broach clamping device's stability, makes whole process easy operation in addition, and easy dismounting is favorable to improving work efficiency, ensures work piece processingquality.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a broach clamping device according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a machine table 1, a broach body 2, a connecting sleeve 3, a connecting column 4, a connecting pipe 5, a limiting ring 6, a fixing ring 7, a mounting groove 8, a clamping plate 9, a hinged support 10, a supporting plate 11, a supporting wheel 12, a spring 13, a threaded hole 14, a bolt rod 15, an extrusion plate 16 and a non-slip mat 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a broach clamping device comprises a machine table 1 and a broach body 2, a connecting sleeve 3 and a connecting column 4 are fixed at the bottom of the machine table 1, the connecting column 4 is positioned in the connecting sleeve 3, a connecting pipe 5 is movably sleeved at the outer side of the connecting column 4, a limiting ring 6 is fixed at the top of the connecting pipe 5, a fixing ring 7 is fixed at the bottom of the connecting sleeve 3, a mounting groove 8 is formed in the inner wall of the connecting pipe 5, a clamping plate 9 is arranged in the mounting groove 8, the middle of the clamping plate 9 is movably connected with the bottom of the mounting groove 8 through a hinge 10, a supporting plate 11 is arranged on the side surface of the clamping plate 9, one end of the supporting plate 11 is fixed with the connecting column 4, a supporting wheel 12 is movably mounted at the other end of the supporting plate 11, the supporting wheel 12 is in contact with the side surface of the clamping plate 9, the clamping plate, the outer side surface of the connecting pipe 5 is provided with a threaded hole 14, the internal thread of the threaded hole 14 penetrates through a bolt rod 15, and one end of the bolt rod 15 is fixed with a squeezing plate 16.

The quantity of mounting groove 8 is four, four mounting grooves 8 evenly distributed on the inner wall of connecting pipe 5, and grip block 9 is the inclined plane board, is fixed with slipmat 17 on the inclined plane of grip block 9, and spring 13 is close to the top in grip block 9, and screw hole 14 is close to the bottom position in connecting pipe 5, and the quantity of screw hole 14 is three, and stripper plate 16 is the arc, and stripper plate 16's side contacts with the side of broach body 2.

The working principle is as follows: during the use, insert the inside of connecting pipe 5 with the exposed core of broach body 2, then twist bolt bar 15 and make stripper plate 16 and broach body 2 take place the extrusion, thereby carry out spacing fixed to this broach body 2 radially, when board 1 stimulates broach body 2 through adapter sleeve 3 and spliced pole 4, backup pad 11 slides on the clamp plate 9 through supporting wheel 12 this moment, thereby make clamp plate 9 take place to rotate around free bearing 10, thereby the extrusion force is exerted to the exposed core of broach body 2 to clamp plate 9, thereby further fix broach body 2, meanwhile, adapter sleeve 3 produces the pulling force to connecting pipe 5 under spacing ring 6 and solid fixed ring 7's effect, thereby it takes place to remove to drive broach body 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a broach clamping device, includes board (1) and broach body (2), its characterized in that, the bottom of board (1) is fixed with adapter sleeve (3) and spliced pole (4), spliced pole (4) are located the inside of adapter sleeve (3), connecting pipe (5) have been cup jointed in the outside activity of spliced pole (4), the top of connecting pipe (5) is fixed with spacing ring (6), the bottom of adapter sleeve (3) is fixed with solid fixed ring (7), mounting groove (8) have been seted up to the inner wall of connecting pipe (5), the inside of mounting groove (8) is equipped with grip block (9), the tank bottom swing joint of free bearing (10) and mounting groove (8) is passed through at the middle part of grip block (9), the side of grip block (9) is equipped with backup pad (11), the one end and the spliced pole (4) of backup pad (11) are fixed mutually, the other end movable mounting of backup pad (11) has supporting wheel (12), supporting wheel (12) contact with the side of grip block (9), the bottom of grip block (9) and mounting groove (8) is connected through spring (13), broach body (2) activity runs through in the bottom of connecting pipe (5), threaded hole (14) are seted up to the lateral surface of connecting pipe (5), the internal thread of threaded hole (14) runs through there is shank of bolt (15), the one end of shank of bolt (15) is fixed with stripper plate (16).

2. A broach clamping device according to claim 1, characterized in that the number of the mounting slots (8) is four, four mounting slots (8) being evenly distributed on the inner wall of the connecting tube (5).

3. A broach clamping device according to claim 1, characterized in that the clamping plates (9) are inclined plane plates, and non-slip mats (17) are fixed on the inclined planes of the clamping plates (9).

4. A broach clamping device according to claim 1, characterized in that the spring (13) is located close to the top of the clamping plate (9).

5. A broach clamping device according to claim 1, characterized in that the threaded holes (14) are located close to the bottom of the connecting tube (5), the number of threaded holes (14) being three.

6. A broach clamping device according to claim 1, characterized in that the pressing plate (16) is an arc-shaped plate, and the side surfaces of the pressing plate (16) are in contact with the side surfaces of the broach body (2).