CN216298138U

CN216298138U - Automatic centering general jig for secondary broaching of square shaft sleeve

Info

Publication number: CN216298138U
Application number: CN202122427593.8U
Authority: CN
Inventors: 马骥
Original assignee: Nantong Sinfong Precision Engineering Co ltd
Current assignee: Nantong Sinfong Precision Engineering Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-04-15
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a square shaft sleeve secondary broaching automatic centering universal jig which comprises a workbench, a sliding plate, a sliding table seat, a material pushing cylinder and a universal positioning ring, wherein the workbench is provided with a sliding plate; a sliding plate, a sliding table seat, a material pushing cylinder and a line rail are fixed on the workbench, the front end of the material pushing cylinder is connected with a push plate through a material pushing connecting plate, and the push plate is arranged on the line rail and moves back and forth along with the line rail; the universal locating ring is arranged on the push plate and is located through a locating key fixed on the push plate. The utility model has simple structure, good universality and stable and reliable processing quality, shortens the carrying distance of operators and lightens the labor intensity; the jig mechanism is simplified, the waste of working hours caused by frequent replacement of the jig is avoided, the machining efficiency is improved, and the machining period is shortened.

Description

Automatic centering general jig for secondary broaching of square shaft sleeve

Technical Field

The utility model belongs to the technical field of broaching jigs, and particularly relates to a square shaft sleeve secondary broaching automatic centering universal jig.

Background

Along with the gradual development of engineering machinery to diversified, intelligent and automatic aspects, the demand of square shaft sleeve type workpieces needing secondary broaching is greatly increased, broaching positioning generally adopts a method of directly placing the workpieces into broaching positions, a first-broaching and a second-broaching positioning device need to be frequently replaced in production, and due to the fact that the types of the workpieces are various, jigs are frequently switched, and the loading and unloading auxiliary time is long. The broaching position is far away from an operator, and particularly, the carrying of large workpieces is time-consuming and labor-consuming, so that the production efficiency is influenced.

Disclosure of Invention

The utility model aims to provide a universal jig for secondary broaching and automatic centering of a square shaft sleeve, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a square shaft sleeve secondary broaching automatic centering universal jig comprises a workbench, a sliding plate, a sliding table seat, a material pushing cylinder and a universal positioning ring;

a sliding plate, a sliding table seat, a material pushing cylinder and a linear rail are fixed on the workbench, the front end of the material pushing cylinder is connected with a push plate through a material pushing connecting plate, and the push plate is arranged on the linear rail and moves back and forth along with the linear rail;

the universal locating ring is arranged on the push plate and is located through a locating key fixed on the push plate.

Preferably, the universal locating ring comprises a plurality of spherical jacks, springs, adjusting screws, locating rings and locating pins; each spherical top head and each spring are sequentially arranged in a positioning ring hole, and then an adjusting screw is arranged, so that the elastic force is adjusted through the adjusting screw; the positioning pin is fixed on the reference metal, a gasket is arranged on the positioning pin, and the positioning ring is positioned by the two positioning pins and fixed on the reference metal by screws.

Preferably, a limiting cylinder seat is fixed on the lower end face of the workbench, the limiting cylinder seat is connected with the guide rod cylinder through a limiting cylinder adjusting block, a limiting connecting plate is fixed at the upper end of the guide rod cylinder, a limiting block is arranged on the limiting connecting plate, and a limiting pin for secondary-pull limiting is fixed on the limiting block.

Preferably, the universal locating ring comprises eight spherical jacks, springs, adjusting screws and locating pins, and the eight spherical jacks, the springs, the adjusting screws and the locating pins are uniformly distributed on the universal locating ring.

The utility model has the technical effects and advantages that:

1. the middle indexing is arranged on the jig, the workpiece is positioned by placing the first pull and the second pull on the middle indexing, and then the workpiece is conveyed to a broaching center by a material moving mechanism, namely a material pushing cylinder, a push plate and the like, so that the conveying distance of an operator is shortened, and the labor intensity is reduced;

2. the positioning ring universal for the first drawing and the second drawing is adopted, the workpiece is automatically centered through the spherical top with adjustable elasticity, the structure is simple, the operation is convenient, the universality is good, the fixture mechanism is particularly suitable for secondary broaching of a small batch of multiple workpieces, the fixture mechanism is simplified, the working time waste caused by frequent replacement of the fixture is avoided, the processing efficiency is improved, and the processing period is shortened;

3. the device is provided with a two-pull workpiece error correction function, and only the workpiece after one pull can pass through the positioning pin, so that the phenomenon that the undrawn workpiece is mixed and accidents happen is prevented, and the safety coefficient is improved;

4. the universal positioning ring is simple in structure, good in universality, stable and reliable in machining quality and capable of meeting machining requirements of various square shaft sleeve workpieces, and machining precision is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the present invention

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic view of the utility model taken along line A of FIG. 3;

FIG. 5 is a schematic structural view of a universal bezel;

FIG. 6 is a side view of the universal bezel;

FIG. 7 is a schematic view of FIG. 6 taken along line K;

fig. 8 is a schematic view in the direction L of fig. 7.

In the figure: 1 spherical top, 2 springs, 3 adjusting screws, 4 positioning rings, 5 gaskets, 6 positioning pins, 7 reference metal, 10 working tables, 11 limiting cylinder seats, 12 wire rails, 13 guide rod cylinders, 14 limiting connecting plates, 15 limiting blocks, 16 limiting pins, 17 sliding plates, 18 positioning keys, 19 universal positioning rings, 21 sliding table seats, 22 material pushing cylinders, 23 wire rails, 24 material pushing connecting plates and 25 pushing plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 to 8 show a specific embodiment of a universal jig for secondary broaching and automatic centering of a square shaft sleeve according to the present invention: comprises a workbench 10, a sliding plate 17, a sliding platform seat 21, a material pushing cylinder 22 and a general positioning ring 19;

a sliding plate 17, a sliding seat 21, a pushing cylinder 22 and a linear rail 23 are fixed on the workbench 10, the front end of the pushing cylinder 22 is connected with a pushing plate 25 through a pushing connecting plate 24, and the pushing plate 25 is arranged on the linear rail 23 and moves back and forth along with the linear rail 23;

the universal positioning ring 19 is arranged on the push plate 25 and is positioned by a positioning key 18 fixed on the push plate 25;

the universal positioning ring 19 comprises eight spherical jacks 1, springs 2, adjusting screws 3 and positioning pins 6; each spherical top head 1 and each spring 2 are sequentially arranged in a hole of a positioning ring 4, and then an adjusting screw 3 is arranged, and the elastic force is adjusted through the adjusting screw 3; the positioning pin 6 is fixed on the reference gold 7, the gasket 5 is arranged on the positioning pin 6, and the positioning ring 4 is positioned by the two positioning pins 6 and fixed on the reference gold 7 by screws;

a limiting cylinder seat 11 is fixed on the lower end face of the workbench 10, the limiting cylinder seat 11 is connected with a guide rod cylinder 13 through a limiting cylinder adjusting block 12, a limiting connecting plate 14 is fixed on the upper end of the guide rod cylinder 13, a limiting block 15 is arranged on the limiting connecting plate 14, and a limiting pin 16 for secondary pull limiting is fixed on the limiting block 15.

A pulling working process:

the workpiece 20 is placed in the universal positioning ring 19 on the middle transfer position, the eight spherical jacks 1 uniformly distributed in the circumferential direction limit the appearance of the workpiece 20 under the action of the adjustable pressure of the spring 2, the workpiece 20 is completely loaded, the broaching machine obtains a signal, and the pushing cylinder 22 drives the push plate connecting plate 24 and the push plate 25 to push to the broaching position along the line rail 23 for broaching. After broaching, the pushing cylinder 22 returns the workpiece 20 to the middle indexing position, and takes out the workpiece 20.

And a second pulling working process:

a pulled workpiece 20 is placed in a universal positioning ring 19 on a middle transfer position, the tooth-shaped position of the pulled workpiece 20 is limited by a limiting pin 16 on a limiting block 15, the appearance of the workpiece 20 is limited by eight spherical heads, the workpiece 20 is completely loaded, a broaching machine receives a signal, a guide rod cylinder 13 drives the limiting pin 16 on the limiting block 15 to descend, the limiting pin 16 is separated from the workpiece 20, and then a pushing cylinder 22 drives a push plate connecting plate 24 and a push plate 25 to be pushed to a broaching position along a linear rail 23 for broaching. After broaching, the pushing cylinder 22 returns the workpiece 20 to the middle indexing position, and takes out the workpiece 20.

The applicant further states that the present invention is described in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the implementation of alternative equivalent substitutions and additions of steps, the selection of specific modes, etc., are within the scope and disclosure of the present invention.

The present invention is not limited to the above embodiments, and all the ways of achieving the objects of the present invention by using the structure and the method similar to the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a general tool of square axle sleeve secondary broaching automatic centering which characterized in that: comprises a workbench (10), a sliding plate (17), a sliding seat (21), a material pushing cylinder (22) and a universal locating ring (19);

a sliding plate (17), a sliding seat (21), a material pushing cylinder (22) and a linear rail (23) are fixed on the workbench (10), the front end of the material pushing cylinder (22) is connected with a push plate (25) through a material pushing connecting plate (24), and the push plate (25) is arranged on the linear rail (23) and moves back and forth along with the linear rail (23);

the universal positioning ring (19) is arranged on the push plate (25) and is positioned through a positioning key (18) fixed on the push plate (25).

2. The square shaft sleeve secondary broaching automatic centering universal jig as claimed in claim 1, characterized in that: the universal positioning ring (19) comprises a plurality of spherical ejection heads (1), springs (2), adjusting screws (3), a positioning ring (4) and positioning pins (6); each spherical top head (1) and each spring (2) are sequentially arranged in a hole of a positioning ring (4), and then an adjusting screw (3) is arranged, so that the elastic force is adjusted through the adjusting screw (3); the positioning pin (6) is fixed on the reference metal (7), the positioning pin (6) is provided with a gasket (5), and the positioning ring (4) is positioned by the two positioning pins (6) and fixed on the reference metal (7) by screws.

3. The square shaft sleeve secondary broaching automatic centering universal jig as claimed in claim 1, characterized in that: the lower end face of the workbench (10) is fixedly provided with a limiting cylinder seat (11), the limiting cylinder seat (11) is connected with a guide rod cylinder (13) through a limiting cylinder adjusting block (12), the upper end of the guide rod cylinder (13) is fixedly provided with a limiting connecting plate (14), a limiting block (15) is arranged on the limiting connecting plate (14), and a limiting pin (16) is fixedly arranged on the limiting block (15).

4. The square shaft sleeve secondary broaching automatic centering universal jig as claimed in claim 2, characterized in that: the universal locating ring (19) comprises eight spherical jacks (1), springs (2), adjusting screws (3) and locating pins (6), and the eight spherical jacks are uniformly distributed on the universal locating ring (19).