CN219598505U

CN219598505U - Positioning mechanism for welding fixture of automobile chassis parts

Info

Publication number: CN219598505U
Application number: CN202320068728.2U
Authority: CN
Inventors: 沈勇; 周玲
Original assignee: Hubei Minshengli Precision Industry Technology Co ltd
Current assignee: Hubei Minshengli Precision Industry Technology Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-08-29
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a positioning mechanism for a welding fixture of an automobile chassis part, which comprises a workbench, wherein a chassis body is arranged on the outer wall of the top of the workbench, a part body is arranged on the top of the chassis body, the outer wall of the top of the workbench is connected with a sliding rail through a bolt, a sliding seat is connected to the outer part of the sliding rail in a sliding manner, the top of the sliding seat is fixedly provided with a fixture, the outer wall of one side of the sliding rail is provided with a connecting groove, a pull rod is movably inserted into the sliding seat, one end of the pull rod is hinged with a cam through a shaft, a baffle plate is welded in the connecting groove, and a second gusset plate is integrally formed on the outer wall of the top of the cam. According to the utility model, the slide seat slides on the slide rail to realize the position movement of the clamp, and when the cam rotates, the pull rod drives the baffle plate to squeeze the inner wall of the connecting groove, so that the clamp is fixed, the effect that the clamp can compress chassis of various vehicle types is realized, and after the clamp moves in position, the clamp can be rapidly locked and positioned.

Description

Positioning mechanism for welding fixture of automobile chassis parts

Technical Field

The utility model relates to the technical field of automobile chassis machining, in particular to a positioning mechanism for a welding fixture of automobile chassis parts.

Background

With the development of automobile technology, the automobile brings great convenience to the traffic of people, the bottom of the automobile is provided with a chassis, and when the automobile chassis is processed, parts are required to be pressed and fixed on the automobile chassis, and then the parts are welded on the automobile chassis.

Chinese patent No. CN 202022602933.1 discloses a pressing device for welding, which comprises an operation frame, a fixing box, an i-shaped plate and a lower pressing plate, wherein the top end of the operation frame is fixedly welded with the fixing box with a rectangular structure, the i-shaped plate is fixedly welded between two groups of transverse inner walls of the fixing box, and the operation frame is internally provided with the corresponding upper pressing plate and lower pressing plate; the right side wall bolt of the fixed box is fixedly provided with a driving motor, the output end of the driving motor is fixedly connected with one end of a bidirectional screw rod through a coupler, the other end of the bidirectional screw rod sequentially penetrates through the right side wall of the fixed box and the vertical section of the I-shaped plate and extends to the left side of the I-shaped plate, one end, far away from the driving motor, of the bidirectional screw rod is rotationally connected with one group of vertical inner walls of the fixed box through a bearing, and two groups of thread parts on the periphery of the bidirectional screw rod are respectively provided with a movable block in a threaded sleeve mode; a movable rod is vertically arranged in a fixed opening formed in the outer wall of the I-shaped plate.

When the pressing device works, two workpieces to be welded are pressed and fixed through the upper pressing plate and the lower pressing plate, the upper pressing plate cannot move in the horizontal direction, and due to the fact that the welding positions of parts of different vehicle types and the chassis are different, when the pressing device is applied to welding of the parts and the chassis, the pressing of the workpieces during welding of the chassis of different vehicle types cannot be met. Therefore, there is a need to design a positioning mechanism for a welding jig for automobile chassis parts to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a positioning mechanism for a welding fixture of an automobile chassis part, which aims to solve the defects in the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model provides a positioning mechanism that welding jig used of auto chassis spare part, includes the workstation, the top outer wall of workstation is provided with the chassis body, the top of chassis body is provided with the spare part body, the top outer wall of workstation has the slide rail through bolted connection, the outside sliding connection of slide rail has the slide, the top of slide is fixed with anchor clamps, one side outer wall of slide rail is provided with the spread groove, the inside activity grafting of slide has the pull rod, the one end of pull rod articulates through the axle has the cam, the one end of pull rod extends to the inside welding of spread groove has the separation blade, the top outer wall integrated into one piece of cam has gusset second.

Further, the fixture comprises a support plate welded with the sliding seat, a first connecting rod and a third connecting rod are hinged to the outer wall of the top of the support plate through shafts respectively, a second connecting rod is hinged between the first connecting rod and the third connecting rod through shafts, a first gusset plate is integrally formed on the outer wall of one side of the second connecting rod, an extension arm is integrally formed on the outer wall of one side of the first connecting rod, and an extrusion stud is arranged in the extension arm.

Further, an upper nut and a lower nut are connected to the outside of the extrusion stud through threads, and the extension arm is located between the upper nut and the lower nut.

Further, a rubber block is fixed on the outer wall of the bottom of the extrusion stud, a gasket is sleeved on the outer portion of the pull rod, and the gasket is located between the cam and the sliding rail.

Further, the top outer wall of the workbench is connected with a backup plate and a baffle through bolts, and the backup plate and the baffle are mutually perpendicular.

Further, the top outer wall of the workbench is connected with two limiting plates through bolts, and the two limiting plates are located at two ends of the sliding rail.

In the technical scheme, the positioning mechanism for the welding fixture of the automobile chassis part has the beneficial effects that:

(1) Through cam, pull rod and the separation blade that set up, utilize the slide to slide the position that realizes anchor clamps on the slide rail and remove to when cam rotation, make the pull rod drive the separation blade and extrude the spread groove inner wall, realize anchor clamps's fixed, consequently realized anchor clamps can satisfy the effect that compresses tightly the chassis of multiple motorcycle type, and after anchor clamps carry out the position movement, can be quick carry out locking location.

(2) Through connecting rod one, connecting rod two and connecting rod three that set up, utilize to a gusset drive connecting rod two to move for connecting rod one and connecting rod three can drive extrusion double-screw bolt through two rocker mechanism principles and compress tightly fixedly to the spare part body, and then form the tight dead point of clamp in the mechanics, more swiftly when making compressing tightly between spare part body and the chassis body.

(3) Through backup plate and the baffle that set up, backup plate and baffle mutually perpendicular for place to the chassis body and provide the benchmark, and then make the azimuthal location that the chassis body can be quick, and have the clearance between backup plate and the baffle, prevent that the right angle of chassis body from interfering with backup plate and baffle, and then make the location of chassis body more accurate.

(4) Through last nut, lower nut and the rubber block that set up, the extrusion double-screw bolt can carry out the activity grafting in the inside of extension arm for can adjust the fixed height of extrusion double-screw bolt through last nut and lower nut, and then conveniently compress tightly fixedly to the spare part body of different thickness, play the effect of protection when compressing tightly the spare part body through the rubber block, prevent that the spare part body from being pressed out the scratch.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic front view of a positioning mechanism for a welding fixture for automotive chassis parts according to an embodiment of the present utility model.

Fig. 2 is a schematic top view of a positioning mechanism for a welding fixture for automotive chassis parts according to an embodiment of the present utility model.

Fig. 3 is a schematic view of an extrusion stud structure provided by an embodiment of a positioning mechanism for a welding fixture for an automobile chassis component according to the present utility model.

Fig. 4 is an enlarged schematic view of a positioning mechanism for a welding fixture for an automobile chassis component according to an embodiment of the present utility model.

FIG. 5 is a schematic view of a connecting groove structure provided by an embodiment of a positioning mechanism for a welding fixture for an automobile chassis component

Reference numerals illustrate:

the device comprises a workbench, a chassis body, a 3 part body, a 4 backup plate, a 5 sliding seat, a 6 support plate, a 7 connecting rod I, a 8 connecting rod II, a 9 reinforcing plate I, a 10 connecting rod III, a 11 extending arm, a 12 extrusion stud, a 13 upper nut, a 14 lower nut, a 15 rubber block, a 16 baffle plate, a 17 limiting plate, a 18 sliding rail, a 19 connecting groove, a 20 pull rod, a 21 baffle plate, a 22 cam, a 23 gasket and a 24 reinforcing plate II.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, the positioning mechanism for the welding fixture for the automobile chassis parts provided by the embodiment of the utility model comprises a workbench 1, wherein a chassis body 2 is arranged on the top outer wall of the workbench 1, a part body 3 is arranged on the top of the chassis body 2, a slide rail 18 is connected to the top outer wall of the workbench 1 through bolts, a slide seat 5 is connected to the outer part of the slide rail 18 in a sliding manner, the top of the slide seat 5 is fixedly provided with a fixture, a connecting groove 19 is arranged on the outer wall of one side of the slide rail 18, a pull rod 20 is movably inserted into the slide seat 5, one end of the pull rod 20 is hinged with a cam 22 through a shaft, a baffle 21 is welded in the connecting groove 19 at one end of the pull rod 20, and a gusset plate two 24 is integrally formed on the top outer wall of the cam 22.

Specifically, in this embodiment, including workstation 1, the top outer wall of workstation 1 is provided with chassis body 2, chassis body 2 is automobile chassis, the top of chassis body 2 is provided with spare part body 3, spare part body 3 is the work piece that needs to weld at chassis body 2, there is slide rail 18 top outer wall of workstation 1 through bolted connection, the structure of slide rail 18 is "T" type structure, slide rail 18's outside sliding connection has slide 5, slide 5's top is fixed with the anchor clamps, compress tightly fixed spare part body 3 on chassis body 2 through the anchor clamps, slide rail 18's one side outer wall is provided with spread groove 19, the structure of spread groove 19 is "T" type structure, slide 5's inside activity grafting has pull rod 20, the one end of pull rod 20 articulates through the axle has cam 22, the one end of pull rod 20 extends to the inside welding of spread groove 19 has separation blade 21, separation blade 21 can slide in the inside of spread groove 19, can drive separation blade 21 through pull rod 20 when cam 22 rotates, the top outer wall integrated into one piece of cam 22 has gusset second 24, utilize gusset second 24 to conveniently rotate cam 22.

According to the positioning mechanism for the welding fixture of the automobile chassis parts, provided by the utility model, the cam 22, the pull rod 20 and the baffle plate 21 are arranged, the slide seat 5 is used for sliding on the slide rail 18 to realize the position movement of the fixture, and when the cam 22 rotates, the pull rod 20 drives the baffle plate 21 to squeeze the inner wall of the connecting groove 19 to realize the fixation of the fixture, so that the fixture can realize the effect of compacting chassis of various automobile types.

In another embodiment provided by the utility model, the clamp comprises the support plate 6 welded with the sliding seat 5, the top outer wall of the support plate 6 is hinged with the first connecting rod 7 and the third connecting rod 10 through shafts, the second connecting rod 8, the first connecting rod 7 and the third connecting rod 10 are hinged with the second connecting rod 8 through shafts, a double-rocker mechanism is formed by the second connecting rod 8, the first reinforcing plate 9 is integrally formed on one side outer wall of the second connecting rod 8, the extension arm 11 is integrally formed on one side outer wall of the first connecting rod 7, the extrusion stud 12 is arranged in the extension arm 11, the first reinforcing plate 9 is utilized to drive the second connecting rod 8 to move, so that the first connecting rod 7 and the third connecting rod 10 can drive the extrusion stud 12 to compress and fix the part body 3 through a double-rocker mechanism principle, further, a clamping dead center in mechanics is formed, the part body 3 and the chassis body 2 are compressed and fixed more quickly, an upper nut 13 and a lower nut 14 are connected outside the extrusion stud 12 through threads, the extension arm 11 is positioned between the upper nut 13 and the lower nut 14, the extension arm 11 can move in the extension arm 11, the extension arm 11 is provided with the extrusion stud 12, the upper nut 13 and the lower nut 14 can be conveniently fixed with the upper nut 13 and the lower nut 14, the upper nut 13 and the lower nut 14 can be conveniently compressed and the nut 13, the nut is not fixed, and the upper nut and the nut 12 can be conveniently fixed, and the nut through the upper nut and the nut 12, the nut and the upper nut and the nut 13 can be more tightly fixed, the nut and the nut can be fixed.

In still another embodiment provided by the utility model, the rubber block 15 is fixed on the outer wall of the bottom of the extrusion stud 12, the gasket 23 is sleeved outside the pull rod 20, the gasket 23 is positioned between the cam 22 and the slide rail 18, the gasket 23 is utilized to enable the stress between the cam 22 and the slide rail 18 to be more uniform, the rubber block 15 can play a protective role when the part body 3 is pressed, and the part body 3 is prevented from being pressed out of a flaw.

In still another embodiment provided by the utility model, the top outer wall of the workbench 1 is connected with the backup plate 4 and the baffle 16 through bolts, the backup plate 4 and the baffle 16 are mutually perpendicular, so that a reference is provided for the placement of the chassis body 2, the chassis body 2 can be rapidly positioned in azimuth, a gap is reserved between the backup plate 4 and the baffle 16, the right angle of the chassis body 2 is prevented from interfering with the backup plate 4 and the baffle 16, the positioning of the chassis body 2 is more accurate, the top outer wall of the workbench 1 is connected with two limiting plates 17 through bolts, the two limiting plates 17 are positioned at two ends of the sliding rail 18, and the sliding seat 5 is prevented from being separated from the sliding rail 18 by the limiting plates 17.

Working principle: when the pressing and fastening of the part body 3 on the chassis body 2 is needed, firstly, the chassis body 2 is placed on the workbench 1, one end and one side plate of the chassis body 2 are abutted against the baffle 16 and the backup plate 4 respectively, the part body 3 is placed at a preset position on the chassis body 2, then the sliding seat 5 slides on the sliding rail 18, the bottom end of the extrusion stud 12 is located above the part body 3, at the moment, the cam 22 is rotated through the gusset plate, the cam 22 extrudes the gasket 23, at the moment, the cam 22 pulls the pull rod 20, the baffle 21 extrudes the inner wall of the connecting groove 19, the sliding seat 5 is fixed on the sliding rail 18, then the gusset plate 9 is rotated, the gusset plate 9 drives the connecting rod two 8 to rotate, the connecting rod two 8 drives the connecting rod one 7 and the connecting rod three 10 to move, the connecting rod one 7 drives the bottom end of the extrusion stud 12 inside the extension arm 11 to approach the part cup, and the rubber block 15 is further used for pressing and fixing the part body 3 on the chassis body 2.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides a positioning mechanism that welding jig used of auto chassis spare part, its characterized in that, including workstation (1), the top outer wall of workstation (1) is provided with chassis body (2), the top of chassis body (2) is provided with spare part body (3), the top outer wall of workstation (1) has slide rail (18) through bolted connection, the outside sliding connection of slide rail (18) has slide (5), the top of slide (5) is fixed with anchor clamps, one side outer wall of slide rail (18) is provided with spread groove (19), the inside activity grafting of slide (5) has pull rod (20), the one end of pull rod (20) has cam (22) through the axle hinge, the one end of pull rod (20) extends to the inside welding of spread groove (19) has separation blade (21), the top outer wall integrated into one piece of cam (22) has gusset two (24).

2. The positioning mechanism for the welding fixture of automobile chassis parts according to claim 1, wherein the fixture comprises a support plate (6) welded with a sliding seat (5), a first connecting rod (7) and a third connecting rod (10) are hinged to the top outer wall of the support plate (6) through shafts respectively, a second connecting rod (8) is hinged between the first connecting rod (7) and the third connecting rod (10) through shafts, a first gusset plate (9) is integrally formed on one side outer wall of the second connecting rod (8), an extension arm (11) is integrally formed on one side outer wall of the first connecting rod (7), and an extrusion stud (12) is arranged inside the extension arm (11).

3. Positioning mechanism for welding jigs for automobile chassis parts according to claim 2, characterized in that the outer part of the extrusion stud (12) is connected with an upper nut (13) and a lower nut (14) by threads, and the extension arm (11) is located between the upper nut (13) and the lower nut (14).

4. The positioning mechanism for the welding fixture of the automobile chassis parts according to claim 1, wherein a rubber block (15) is fixed on the outer wall of the bottom of the extrusion stud (12), a gasket (23) is sleeved outside the pull rod (20), and the gasket (23) is located between the cam (22) and the slide rail (18).

5. The positioning mechanism for the welding fixture of the automobile chassis parts according to claim 1, wherein the top outer wall of the workbench (1) is connected with a backup plate (4) and a baffle plate (16) through bolts, and the backup plate (4) and the baffle plate (16) are mutually perpendicular.

6. The positioning mechanism for the welding fixture of the automobile chassis parts according to claim 1, wherein the top outer wall of the workbench (1) is connected with two limiting plates (17) through bolts, and the two limiting plates (17) are positioned at two ends of the sliding rail (18).