CN211192577U

CN211192577U - Positioning device for processing shaft parts

Info

Publication number: CN211192577U
Application number: CN201921713042.4U
Authority: CN
Inventors: 林振宏
Original assignee: Foshan Chong Yi Yi Technology Information Co ltd
Current assignee: Foshan Chong Yi Yi Technology Information Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-08-07
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses an axle type positioner for parts machining, including card foot, last chuck and lower chuck, the surface equidistant of going up the chuck is provided with four card feet, upward radially be equipped with four T type spouts on the chuck, the slider fixed connection of passing through the bolt and sliding the setting in T type spout of card foot, the bottom and the top of ejector pin of slider are connected, the lower surface center department of chuck rotates through the connecting seat down and installs the screw rod, install the swivel nut on the screw rod, the bottom and the swivel nut of ejector pin are connected. This practicality utilizes screw rod drive swivel nut to remove downwards, and then stimulates four sliders fixed with the card foot simultaneously through the ejector pin and to the removal of centre of a circle department, utilizes four card feet to act on the surface at axle type part simultaneously, can carry out the coincidence with the axle center of axle type part and the centre of a circle of last chuck, has realized that the counter shaft type part carries out the quick clamping and fixes and quick alignment axle center, is favorable to improving the machining efficiency and the machining precision of counter shaft type part.

Description

Positioning device for processing shaft parts

Technical Field

The utility model belongs to the technical field of machining device, concretely relates to positioner is used in axle type parts machining.

Background

The shaft part is one of typical parts frequently encountered in hardware fittings, is mainly used for supporting transmission parts, transmitting torque and bearing load, and can be generally divided into three types, namely an optical axis, a stepped axis and a special-shaped axis according to different structural forms of the shaft part; or divided into a solid shaft, a hollow shaft, etc. When the shaft parts are internally processed, the positioning of the shaft center is only important, and the quality of the processed shaft parts is directly influenced by the deviation of the position of the shaft center. When shaft type parts are positioned, a three-jaw chuck is usually adopted for fixing, and the three-jaw chuck is used for clamping and fixing the parts by using a special wrench to drive the chuck on the side surface, so that the fixing efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an axle type positioner for parts machining to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an axle type positioner for parts machining, includes card foot, goes up chuck and lower chuck, the surface of going up the chuck is equidistant to be provided with four card feet, upward radially be equipped with four T type spouts on the chuck, the slider fixed connection of setting in T type spout through bolt and slip of card foot, the lower surface of going up the chuck passes through bolt and lower chuck fixed connection, the bottom of slider is connected with the top of ejector pin, the lower surface center department of lower chuck rotates through the connecting seat and installs the screw rod, install the swivel nut on the screw rod, the bottom and the swivel nut of ejector pin are connected.

Preferably, a rotating wheel is fixed at the bottom end of the screw.

Preferably, the bottom of the sliding block is integrally provided with a support, the periphery of the threaded sleeve is provided with four supports at equal intervals, and two ends of the ejector rod are connected with the supports through connecting pins respectively.

Preferably, a slide way is arranged on the lower chuck opposite to the T-shaped slide way, and the ejector rod penetrates through the slide way in a sliding mode.

Preferably, the inner side wall of the clamping foot is provided with anti-skid grains.

The utility model discloses a technological effect and advantage:

the screw rod is rotated through the rotating wheel, the screw rod is driven to move downwards by the aid of the screw rod, four sliding blocks fixed with the clamping pins are further pulled to move towards the circle center through the ejector rod, the four clamping pins are used for acting on the surface of the shaft part at the same time, the four clamping pins move synchronously, the axle center of the shaft part can be coincided with the circle center of the upper chuck, quick clamping and fixing and quick alignment of the axle center of the shaft part are achieved, and improvement of machining efficiency and machining precision of the shaft part is facilitated.

Drawings

Fig. 1 is a schematic side view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the connection structure of the upper chuck and the lower chuck of the present invention;

fig. 4 is a schematic view of the thread insert structure of the present invention.

In the figure: the device comprises a clamp pin 1, an upper chuck 2, a 201T-shaped groove, a lower chuck 3, a slide rail 301, a top rod 4, a thread sleeve 5, a screw rod 6, a rotating wheel 7, a sliding block 8 and a support 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, a shaft type positioner for parts machining, including card foot 1, upper chuck 2 and lower chuck 3, the surface of upper chuck 2 is provided with four card feet 1 at the equidistant interval, radially be equipped with four T type spouts 201 on the upper chuck 2, the slider 8 fixed connection of passing through the bolt and the slip setting in T type spout 201 of card foot 1, the lower surface of upper chuck 2 passes through bolt and lower chuck 3 fixed connection, the bottom of slider 8 is connected with the top of ejector pin 4, the lower surface center department of lower chuck 3 rotates through the connecting seat and installs screw rod 6, install swivel nut 5 on the screw rod 6, the bottom and the swivel nut 5 of ejector pin 4 are connected.

And a rotating wheel 7 is fixed at the bottom end of the screw rod 6. The drive screw 6 is conveniently rotated by means of a runner 7.

The bottom of the sliding block 8 is integrally provided with a support 9, the periphery of the threaded sleeve 5 is provided with four supports 9 at equal intervals, and two ends of the ejector rod 4 are connected with the supports 9 through connecting pins respectively. The two ends of the ejector rod 4 are respectively connected through the connecting pins, so that the two ends of the ejector rod 4 can rotate, the ejector rod 4 is used for driving the clamping pin 1 to move in the up-and-down moving process of the threaded sleeve 5, and the shaft part is clamped and fixed.

The lower chuck 3 is provided with a slide way 301 opposite to the T-shaped slide groove 201, and the mandril 4 slides through the slide way 301. The width of slide 301 is the same with the width of ejector pin 4, can prevent that ejector pin 4 from rocking, is favorable to improving the stability of ejector pin 4.

And anti-skid grains are arranged on the inner side wall of the clamping foot 1. The shaft parts can be conveniently clamped and fixed, and the fixing firmness is improved.

Specifically, during the use, place the one end of axle type part at last chuck 2 near centre of a circle department, rotate screw rod 6 through runner 7, thereby utilize screw rod 6 drive swivel nut 5 to move down, and then stimulate four fixed sliders 8 of card foot to the centre of a circle department simultaneously through ejector pin 4 and remove, utilize four card feet 1 to act on the surface at axle type part simultaneously, 1 synchronous motion of four card feet, can coincide the axle center of axle type part with the centre of a circle of last chuck 2, realized that the axle type part carries out the quick clamping and fixes and find the axle center fast, be favorable to improving machining efficiency and the machining precision to axle type part.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an axle type positioner for parts machining, includes card foot (1), goes up chuck (2) and lower chuck (3), its characterized in that: the equal interval in surface of going up chuck (2) is provided with four card feet (1), upward radially be equipped with four T type spout (201) on chuck (2), the bolt that passes through of card foot (1) sets up slider (8) fixed connection in T type spout (201) with sliding, the lower surface of going up chuck (2) passes through bolt and lower chuck (3) fixed connection, the bottom of slider (8) is connected with the top of ejector pin (4), lower surface center department of lower chuck (3) is rotated through the connecting seat and is installed screw rod (6), install swivel nut (5) on screw rod (6), the bottom and the swivel nut (5) of ejector pin (4) are connected.

2. The positioning device for processing the shaft part according to claim 1, wherein: and a rotating wheel (7) is fixed at the bottom end of the screw rod (6).

3. The positioning device for processing the shaft part according to claim 1, wherein: the bottom integration of slider (8) is equipped with support (9), the periphery of swivel nut (5) is equipped with four supports (9) at the equidistance, the both ends of ejector pin (4) are connected with support (9) through the connecting pin respectively.

4. The positioning device for processing the shaft part according to claim 1, wherein: the lower chuck (3) is provided with a slide way (301) opposite to the T-shaped sliding groove (201), and the ejector rod (4) slides through the slide way (301).

5. The positioning device for processing the shaft part according to claim 1, wherein: the inner side wall of the clamping foot (1) is provided with anti-skid grains.