CN213969054U

CN213969054U - Piston car bulge processing location frock structure

Info

Publication number: CN213969054U
Application number: CN202021258997.8U
Authority: CN
Inventors: 夏志荣; 马有宝; 常国华
Original assignee: Jiangsu Niupai Precision Machinery Co ltd
Current assignee: Jiangsu Niupai Precision Machinery Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-08-17
Anticipated expiration: 2030-07-02

Abstract

The utility model relates to a piston car bulge processing location frock structure. The clamping device comprises a chuck (1) arranged on a main shaft, a clamping jaw (2) is arranged on the end face of one end of the chuck (1), and a chuck inner cover (3) is arranged in the chuck (1); an installation cavity is formed in the clamping jaw (2), a fixed block (4) is arranged to extend into the installation cavity and fixed on the inner cover (3) of the chuck, a sliding shifting block (5) is arranged outside the fixed block (4), and the sliding shifting block (5) can axially move along the fixed block (4); the end part of the fixed block (4) is provided with a core (9) extending out of the fixed block (4), and the core (9) is matched with the tailstock tightening device to position the piston (10). The utility model discloses efficiency, security and positioning accuracy have been improved greatly, piston processing disability rate is reduced, piston processingquality has been improved.

Description

Piston car bulge processing location frock structure

Technical Field

The utility model relates to a piston car swell processing location frock structure belongs to piston processing technology field.

Background

After the piston is cast, a bulge is arranged at the position of the insert ring, when the bulge is processed, the rigidity needs to be increased when the bulge is processed due to the fact that the insert material is different from the material of the piston body, and the bulge is a blank without a positioning surface, so that when a common clamping jaw is processed, the size is long and has errors, the piston is scrapped, and therefore improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model is directed at above-mentioned defect, aim at provides a rational in infrastructure, improves piston machining quality's a piston car bulge processing location frock structure.

Therefore, the utility model adopts the technical scheme that: a piston vehicle bulge processing and positioning tool structure comprises a chuck arranged on a main shaft, wherein a clamping jaw is arranged on the end face of one end of the chuck, and a chuck inner cover is arranged in the chuck;

the clamping jaw is internally provided with an installation cavity, a fixed block is arranged to extend into the installation cavity and fixed on the inner cover of the chuck, a sliding shifting block is arranged outside the fixed block, and the sliding shifting block can axially move along the fixed block;

the end part of the fixed block is provided with a core extending out of the fixed block, and the core and the tailstock jacking device are matched to position the piston.

Furthermore, a shifting block fixing block fixed on the fixing block is arranged at the end part of the fixing block, which is positioned at one end of the ejection core, and the shifting block fixing block is used for limiting the axial movement of the sliding shifting block.

Furthermore, the slip shifting block towards one side of chuck inner cup is provided with the threaded rod, threaded rod cavity sets up and settles the spring, is provided with and stretches into the round pin post in the threaded rod cavity, round pin post one end sets up cover in the chuck, the round pin post other end with the spring forms the contact.

Further, the tailstock tightening device comprises a tightening block which is in contact with the piston, and a centre used for installing the tightening block, and the centre is installed on the tailstock.

The utility model has the advantages that: the utility model discloses an above design has improved efficiency and security and positioning accuracy greatly, reduces piston processing disability rate, has improved piston processingquality.

Drawings

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

Fig. 2 is an enlarged view of a portion a in fig. 1.

In the drawing, a chuck 1, a clamping jaw 2, a chuck inner cover 3, a fixed block 4, a sliding shifting block 5, a shifting block fixed block 6, a pin 7, a threaded rod 8, a jacking core 9, a piston 10, a jacking block 11 and a jacking tip 12 are arranged.

Detailed Description

A piston vehicle bulge processing and positioning tool structure comprises a chuck 1 arranged on a main shaft, wherein a clamping jaw 2 is arranged on the end face of one end of the chuck 1, and a chuck inner cover 3 is arranged in the chuck 1;

an installation cavity is formed in the clamping jaw 2, a fixed block 4 is arranged to extend into the installation cavity and fixed on the chuck inner cover 3, a sliding shifting block 5 is arranged outside the fixed block 4, and the sliding shifting block 5 can axially move along the fixed block 4;

the end part of the fixed block 4 is provided with a core 9 extending out of the fixed block 4, and the core 9 and the tailstock jacking device are matched to position the piston 10.

Furthermore, the end part of the fixed block 4, which is located at one end of the ejection core 9, is provided with a shifting block fixed block 6 fixed on the fixed block 4, and the shifting block fixed block 6 limits the axial movement of the sliding shifting block 5.

Further, the slip shifting block 5 towards one side of chuck inner cup 3 is provided with threaded rod 8, the spring is set up and settled to the cavity of threaded rod 8, be provided with stretch into to round pin post 7 in the cavity of threaded

rod

8, 7 one ends of round pin post set up on the chuck inner cup 3, the round pin post 7 other end with the spring forms the contact.

Further, the tailstock tightening device comprises a tightening block 11 which is in contact with the piston, and a centre 12 for mounting the tightening block 11, wherein the centre 12 is mounted on the tailstock.

The utility model is further explained in the following to better understand the utility model discloses: the utility model discloses a chuck 1, jack catch 2, chuck inner cup 3, fixed block 4, slip shifting block 5, shifting block fixed block 6, round pin post 7, threaded rod 8, apical core 9, piston 10, puller block 11 and top 12, chuck 1 installs on the main shaft, and jack catch 2 installs on chuck 1, and chuck inner cup 3 replaces the inner cup that original chuck was from joining in marriage, and fixed block 4 passes through the locating pin and the screw rod is fixed on chuck inner cup 3, and slip shifting block 5 installs on fixed block 6, and apical core 9 installs on fixed block 6, and threaded rod 8 installs on slip shifting block 5, and threaded rod 8 cavity inserts round pin post 7 behind the installation spring, then forms the compression that the spacing formed the spring to slip shifting block 5 motion through shifting block fixed block 6, and top 12 installs on the tailstock simultaneously, and puller block 11 installs on top 12.

The utility model discloses during the use, with piston 10 cover on slip shifting block 5, the tailstock top is tight, and slip shifting block 5 slides backward, until top core 9 withstands piston bottom 10 portions, jack catch 2 steps up.

Claims

1. The piston vehicle bulge machining and positioning tool structure is characterized by comprising a chuck (1) arranged on a main shaft, wherein a clamping jaw (2) is arranged on the end face of one end of the chuck (1), and a chuck inner cover (3) is arranged in the chuck (1);

an installation cavity is formed in the clamping jaw (2), a fixed block (4) is arranged to extend into the installation cavity and fixed on the inner cover (3) of the chuck, a sliding shifting block (5) is arranged outside the fixed block (4), and the sliding shifting block (5) can axially move along the fixed block (4);

the end part of the fixed block (4) is provided with a core (9) extending out of the fixed block (4), and the core (9) is matched with the tailstock tightening device to position the piston (10).

2. The piston vehicle bulge machining and positioning tool structure as claimed in claim 1, wherein a shifting block fixing block (6) fixed on the fixing block (4) is arranged at the end part of the fixing block (4) at one end of the top core (9), and the shifting block fixing block (6) is used for limiting the axial movement of the sliding shifting block (5).

3. The piston vehicle bulge processing and positioning tool structure as claimed in claim 1, wherein a threaded rod (8) is arranged on one side of the sliding shifting block (5) facing the chuck inner cover (3), the threaded rod (8) is hollow and is provided with a spring, a pin (7) extending into the hollow of the threaded rod (8) is arranged, one end of the pin (7) is arranged on the chuck inner cover (3), and the other end of the pin (7) is in contact with the spring.

4. The piston vehicle bulge processing and positioning tool structure as claimed in claim 1, wherein the tailstock tightening device comprises a tightening block (11) in contact with the piston, and a tip (12) for mounting the tightening block (11), and the tip (12) is mounted on the tailstock.