CN216138371U

CN216138371U - Sleeve positioning mechanism

Info

Publication number: CN216138371U
Application number: CN202121190176.XU
Authority: CN
Inventors: 李顺
Original assignee: Daao Wuhu Automobile Products Co ltd
Current assignee: Daao Wuhu Automobile Products Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-03-29
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a sleeve positioning mechanism, which relates to the technical field of positioning tools and comprises a positioning component and a pressing component which are arranged on a supporting plate, wherein the positioning component comprises a first air cylinder arranged on the supporting plate, a connecting seat is arranged at the upper end of the first air cylinder, a sleeve supporting seat is sleeved outside the connecting seat, a telescopic rod of the first air cylinder penetrates through the connecting seat and is connected with a connecting rod at the tail end, four sliding grooves with symmetrical structures are formed in the head part of the connecting rod, the included angle between the bottom surface of each sliding groove and the axis of the connecting rod is 9 degrees, the sleeve is pressed by arranging the pressing component, the positioning component is arranged to facilitate the positioning of the inner wall of the sleeve when the sleeve is placed, the sleeve is easy to take out after welding is finished, and the technical problems that the sleeve is difficult to take and place, the sleeve is influenced by the welding shrinkage deformation of the sleeve and the production efficiency is low in the prior art are solved.

Description

Sleeve positioning mechanism

Technical Field

The utility model relates to the technical field of positioning tools, in particular to a sleeve positioning mechanism.

Background

Production vehicle chassis product, like preceding sub vehicle frame, back sub vehicle frame, control arm, swing arm, pull rod etc. all involve the welding of sleeve pipe (as shown in fig. 3), the sleeve pipe welding deflection is bigger, if sleeve pipe positioning mechanism design is unreasonable, can cause: 1. welding quality of welding seams is poor, batch undercut and burn-through conditions occur, 2, after sleeve welding is completed, products shrink and deform, a positioning pin does not move back, and production efficiency and product quality are affected finally.

The product sleeve pipe location at present adopts traditional locating pin (locating pin external diameter is less than sleeve pipe internal diameter by 0.15mm) to fix a position, and the problem that this kind of structure exists: 1. the sleeve pipe is got and is put a difficulty, 2, after the sleeve pipe welding was accomplished, the product shrinkage deformation, the locating pin does not move back the round pin, need be assisted with the help of instruments such as copper hammer, influences production efficiency and product quality, consequently, needs to make further improvement to current.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a casing positioning mechanism to solve the above-mentioned drawbacks of the prior art.

The utility model provides a sleeve pipe positioning mechanism, is including installing the locating component in the backup pad and compressing tightly the subassembly, the locating component is including installing cylinder one in the backup pad, a cylinder upper end erection joint seat, connecting seat overcoat sleeve pipe supporting seat, the telescopic link of cylinder one passes the connecting seat and in the end-to-end connection connecting rod, the spout that has four structural symmetry is opened to the connecting rod head, the bottom surface and the connecting rod axis contained angle of spout are, sliding connection slider in the spout, slider outside screwed connection rises the tight piece, it stretches out and draws back in the logical inslot of connecting seat upper end to rise the tight piece, connecting seat upper end screw connection end cover, compress tightly the subassembly and compress tightly the sleeve pipe.

Preferably, the compressing assembly comprises a second air cylinder installed on the supporting plate, a base is arranged at the upper end of a telescopic rod of the second air cylinder, a rotating arm is arranged on the base, and a compressing assembly is arranged at the lower end of the rotating arm.

Preferably, the pressing assembly comprises a connecting piece connected to the lower end of the rotating arm through a screw, and the lower end of the connecting piece is connected with the pressing disc through a screw.

The utility model has the advantages that: according to the utility model, the sleeve is compressed by the compression assembly, and then the positioning assembly is arranged, specifically, the included angle between the bottom surface of the sliding groove and the axis of the connecting rod is 9 degrees, so that the sliding block drives the tension block to stretch into the through groove at the upper end of the connecting seat, the inner wall of the sleeve is positioned conveniently when the sleeve is placed, and the sleeve is easy to take out after welding is finished, thereby solving the technical problems that the sleeve is difficult to take and place, and the taking and placing are influenced by the welding shrinkage deformation of the sleeve, so that the production efficiency is low in the prior art.

Drawings

Fig. 1 is a schematic view illustrating a state in which the present invention is mounted on a support plate.

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

Fig. 3 is a schematic view of the product structure of the bushing of the present invention.

FIG. 4 is a schematic view of the connection between the connecting base and the sleeve supporting base according to the present invention.

Fig. 5 is a schematic connection diagram of the connecting socket in fig. 4.

FIG. 6 is a schematic view of the connection between the connecting rod and the slider according to the present invention.

Fig. 7 is a schematic view of the connection between the connecting rod and the first cylinder in fig. 6.

The device comprises a support plate 0, a positioning assembly 1, a cylinder I11, a cylinder I12 connecting seat 13, a sleeve supporting seat 14, a connecting rod 15, a sliding groove 15, a sliding block 16, a tensioning block 17, a through groove 18, an end cover 19, a pressing assembly 2, a cylinder II 21, a cylinder II 22, a base 23, a rotating arm 24, a pressing assembly 25, a connecting piece 26 and a pressing disc.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1 to 7, a sleeve positioning mechanism comprises a positioning assembly 1 and a pressing assembly 2 which are installed on a supporting plate 0, wherein the positioning assembly 1 comprises a first cylinder 11 which is installed on the supporting plate 0, a connecting seat 12 is installed at the upper end of the first cylinder 11, a sleeve supporting seat 13 is sleeved outside the connecting seat 12, a telescopic rod of the first cylinder 11 penetrates through the connecting seat 12 and is connected with a connecting rod 14 at the tail end, four sliding grooves 15 which are symmetrical in structure are formed in the head of the connecting rod 14, an included angle between the bottom surface of each sliding groove 15 and the axis of the connecting rod 14 is 9 degrees, a sliding block 16 is connected in each sliding groove 15 in a sliding mode, a tensioning block 17 is connected to the outer side of each sliding block 16 through a screw, each tensioning block 17 stretches into a through groove 18 in the upper end of the connecting seat 12, an end cover 19 is connected to the upper end of the connecting seat 12 through a screw, and the pressing assembly 2 presses a sleeve.

In this embodiment, the pressing component 2 includes a second cylinder 21 installed on the supporting plate 0, a base 22 is arranged at the upper end of the telescopic rod of the second cylinder 21, a rotating arm 23 is arranged on the base 22, and a pressing component 24 is arranged at the lower end of the rotating arm 23.

In this embodiment, the pressing assembly 24 includes a connecting member 25 screwed to the lower end of the rotating arm 23, and the lower end of the connecting member 25 is screwed to the pressing plate 26.

The working process and principle are as follows: when the device is in practical application, a sleeve is sleeved at the upper end of a connecting seat 12, the lower end of the sleeve is abutted to a sleeve supporting seat 13, a second cylinder 21 is started, a rotating arm 23 is driven to drive a pressing disc 26 of a pressing component 24 to press the sleeve from the upper end, a first cylinder 11 is started, a connecting rod 14 is driven to ascend, so that a slider 16 moves along a sliding groove 15 on the connecting rod 14, an included angle between the bottom surface of the sliding groove 15 and the axis of the connecting rod 14 is 9 degrees, the slider 16 with a tensioning block 17 extends out of a through groove 18 at the upper end of the connecting seat 12, four tensioning blocks 17 are abutted to the inner wall of the sleeve, so that the positioning function of the sleeve is realized, the welding is convenient, when the sleeve needs to be taken out after the welding is finished, the first cylinder 11 and the second cylinder 21 are started, the rotating arm 23 drives the pressing component 24 to be away from the sleeve, the connecting rod 14 descends, the slider 16 moves along the sliding groove 15 on the connecting rod 14, and drives the tensioning block 17 to be retracted into the through groove 18 at the upper end of the connecting seat 12, thereby facilitating removal of the parts.

According to the utility model, the sleeve is compressed by the compression assembly 2, the positioning assembly 1 is further arranged, and particularly, the included angle between the bottom surface of the sliding groove 15 and the axis of the connecting rod 14 is 9 degrees, so that the sliding block 16 with the tension block 17 is stretched in the through groove 18 at the upper end of the connecting seat 12, the inner wall of the sleeve is conveniently positioned when the sleeve is placed, the sleeve is easily taken out after welding is finished, and the technical problems that the sleeve is difficult to take and place, and the sleeve is influenced by welding shrinkage deformation of the sleeve, and the production efficiency is low in the prior art are solved.

It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.

Claims

1. The sleeve positioning mechanism is characterized by comprising a positioning component (1) and a pressing component (2) which are arranged on a support plate (0), wherein the positioning component (1) comprises a first air cylinder (11) arranged on the support plate (0), a connecting seat (12) is arranged at the upper end of the first air cylinder (11), a sleeve supporting seat (13) is sleeved outside the connecting seat (12), an expansion rod of the first air cylinder (11) penetrates through the connecting seat (12) and is connected with a connecting rod (14) at the tail end, four sliding chutes (15) with symmetrical structures are formed in the head part of the connecting rod (14), an included angle between the bottom surface of each sliding chute (15) and the axis of the connecting rod (14) is 9 degrees, sliding connection sliding blocks (16) are slidably connected in the sliding chutes (15), the outer sides of the sliding blocks (16) are connected with screws to form blocks (17), and the tensioning blocks (17) are stretched in through grooves (18) in the upper end of the connecting seat (12), the upper end of the connecting seat (12) is connected with an end cover (19) through a screw, and the sleeve is compressed by the compressing assembly (2).

2. A cannula positioning mechanism as defined in claim 1 wherein: compress tightly subassembly (2) including installing cylinder two (21) on backup pad (0), the telescopic link upper end of cylinder two (21) is equipped with base (22), be equipped with swinging boom (23) on base (22), swinging boom (23) lower extreme is equipped with compresses tightly subassembly (24).

3. A cannula positioning mechanism as defined in claim 2 wherein: the pressing assembly (24) comprises a connecting piece (25) which is connected to the lower end of the rotating arm (23) through screws, and the lower end of the connecting piece (25) is connected with the pressing disc (26) through screws.