CN219131248U

CN219131248U - Welding tool for braking and centering and positioning of automobile pull rod

Info

Publication number: CN219131248U
Application number: CN202222569327.3U
Authority: CN
Inventors: 熊力; 郭凉波; 韩建祥; 袁朝; 牛立志; 俞红峰
Original assignee: Ningbo Tuopu Group Co Ltd
Current assignee: Ningbo Tuopu Group Co Ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-06-06
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to a welding fixture for braking and centering of an automobile pull rod, which comprises an underframe, wherein two bearing seats are symmetrically arranged on two sides of the upper end of the underframe, a centering positioning mechanism is rotatably arranged on the inner side of each bearing seat, a connecting plate is arranged between the lower parts of the two centering positioning mechanisms, a rotating wheel for driving the centering positioning mechanism to rotate is arranged on the outer side of one bearing seat, a braking mechanism is arranged on the side edge of the underframe below the rotating wheel, and a plurality of connecting rod positioning mechanisms are arranged between the two bearing seats side by side on the upper end of the connecting plate. The utility model has the advantages of complete functions, exquisite structure, convenient operation, high workpiece positioning stability and consistency, convenient size adjustment and extremely powerful reduction of production cost.

Description

Welding tool for braking and centering and positioning of automobile pull rod

Technical Field

The utility model relates to the technical field of pull rod welding, in particular to a welding tool for braking and centering and positioning of an automobile pull rod.

Background

As shown in fig. 5, the automotive tie rod comprises a connecting rod 27 and two sleeves 28, wherein the two ends of the connecting rod 27 are respectively provided with one sleeve 28, and one circle of welding is needed at the joint of the connecting rod 27 and the sleeves 28. At present, the welding fixture for the automobile pull rod adopts single-side positioning, manual clamping and other modes to realize the positioning of the product, and the positioning modes easily cause poor positioning precision of the product, slow processing speed, difficult size adjustment, higher requirement on the operation level of operators and easy disqualification of the product size.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the welding fixture for braking and centering the automobile pull rod, which not only can be used for braking and centering the automobile pull rod, but also can be used for centering and positioning the automobile pull rod, and the whole welding fixture has the advantages of complete functions, exquisite structure, convenient operation, high workpiece positioning stability and consistency, convenient size adjustment and extremely powerful reduction of production cost.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a welding frock for car pull rod braking and divide well location, including the chassis, the both sides symmetrical arrangement of chassis upper end have two bearing frames, the inboard of every bearing frame all rotates and installs a divide well positioning mechanism, divide well positioning mechanism include L shape mount pad, L shape mount pad upper end install two sliding slides around side by side, install the location cylinder between two slides, the inboard of every slide all installs the sleeve positioning seat, L shape mount pad upper end be located and install a plurality of centering pieces side by side between two slides, the H shape stopper is all installed to the front and back both sides of this centering piece, the inboard of slide install with H shape stopper opening complex butt joint piece, install the connecting plate between the lower part of two L shape mount pads, the runner of drive L shape mount pad pivoted is installed to the outside of one of them bearing frame, the side of chassis be provided with brake mechanism in the below of runner, the connecting plate upper end be located and arrange a plurality of connecting rod positioning mechanism side by side between two bearing frames.

As a supplement to the technical scheme of the utility model, the braking mechanism comprises a bracket, a braking cylinder and braking blocks, wherein the bracket is fixedly arranged on the side edge of the underframe, the braking cylinder is vertically arranged in the middle of the bracket, two guide posts which slide up and down are arranged on the bracket and positioned on two sides of the braking cylinder, the braking blocks are arranged at the upper ends of the two guide posts, and the lower ends of the braking blocks are rotationally connected with a piston rod of the braking cylinder.

As a supplement to the technical scheme of the utility model, a spring is arranged between the brake block and the bracket on the guide post.

As a supplement to the technical scheme of the utility model, a connecting seat is arranged in the middle of the lower end of the brake block, and the connecting seat is rotationally connected with a piston rod of the brake cylinder.

As a supplement to the technical scheme of the utility model, the connecting rod positioning mechanism comprises a support, a strong clamping cylinder and a pressing arm, wherein a V-shaped block is arranged at the upper end of the support, the strong clamping cylinder is vertically arranged at the side edge of the support, the pressing arm is arranged at the upper end of the strong clamping cylinder, and a pressing block is arranged below the V-shaped block at the free end of the pressing arm.

The beneficial effects are that: the utility model relates to a welding tool for braking and centering and positioning an automobile pull rod, which not only can be used for braking and centering and positioning the automobile pull rod, but also can be used for centering and positioning the automobile pull rod, and has the advantages of complete functions, exquisite structure, convenience in operation, high workpiece positioning stability and consistency, convenience in size adjustment and extremely powerful reduction of production cost.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the centering mechanism according to the present utility model;

FIG. 3 is a schematic view of a brake mechanism according to the present utility model;

FIG. 4 is a schematic view of a link positioning mechanism according to the present utility model;

fig. 5 is a schematic view of the structure of the tie rod processed according to the present utility model.

The diagram is: 1. the device comprises a chassis, 2, a bearing seat, 3, a centering positioning mechanism, 4, a connecting rod positioning mechanism, 5, a rotating wheel, 6, a braking mechanism, 7, a connecting plate, 8, an L-shaped mounting seat, 9, a sliding seat, 10, a sleeve positioning seat, 11, a positioning cylinder, 12, a centering block, 13, an H-shaped limiting block, 14, a butting block, 15, a bracket, 16, a braking cylinder, 17, a braking block, 18, a spring, 19, a guide pillar, 20, a connecting seat, 21, a support, 22, a V-shaped block, 23, a strong clamping cylinder, 24, a pressing arm, 25, a pressing block, 26, a cylinder fixing seat, 27, a connecting rod, 28, a sleeve, 29, a bolt mounting seat, 30 and a limiting bolt.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.

The embodiment of the utility model relates to a welding fixture for braking and centering of an automobile pull rod, which comprises an underframe 1, wherein two bearing seats 2 are symmetrically arranged on two sides of the upper end of the underframe 1, a centering positioning mechanism 3 is rotatably arranged on the inner side of each bearing seat 2, a connecting plate 7 is arranged between the lower parts of the two centering positioning mechanisms 3, a rotating wheel 5 for driving the centering positioning mechanism 3 to rotate is arranged on the outer side of one bearing seat 2, a rotating shaft on the rotating wheel 5 passes through the bearing seat 2 and is connected with the centering positioning mechanism 3, a braking mechanism 6 is arranged on the side edge of the underframe 1 below the rotating wheel 5, and a plurality of connecting rod positioning mechanisms 4 are arranged between the two bearing seats 2 side by side at the upper end of the connecting plate 7.

The connecting rod positioning mechanism 4 is divided into two parts, the connecting rod positioning mechanism 4 comprises a support 21, a powerful clamping cylinder 23 and a pressing arm 24, a V-shaped block 22 is arranged at the upper end of the support 21, a cylinder fixing seat 26 is arranged on the side edge of the support 21, the powerful clamping cylinder 23 is vertically arranged on the cylinder fixing seat 26, the pressing arm 24 is arranged at the upper end of the powerful clamping cylinder 23, and a pressing block 25 is arranged below the V-shaped block 22 at the free end of the pressing arm 24; the pressing arm 24 and the pressing block 25 are controlled to lift up and down through the powerful clamping cylinder 23, and the pressing block 25 is matched with the V-shaped block 22 to fix the connecting rod 27.

During installation, the sleeve 28 is firstly arranged in the middle positioning mechanism 3 on one side, then the connecting rod 27 is placed into the openings of the two V-shaped blocks 22, one end of the connecting rod 27 is butted with the sleeve 28, then the strong clamping cylinder 23 is started, the strong clamping cylinder 23 controls the pressing block 25 to downwards press the connecting rod 27 by matching with the V-shaped blocks 22, then the sleeve 28 is arranged in the middle positioning mechanism 3 on the other side, the rotating wheel 5 controls the connecting rod 27 and the sleeve 28 to rotate together, and then welding at the joint of the connecting rod 27 and the sleeve 28 is completed manually or by a robot through welding equipment.

The centering positioning mechanism 3 comprises an L-shaped mounting seat 8, two sliding seats 9 which slide forwards and backwards are arranged at the upper end of the L-shaped mounting seat 8 in parallel, a positioning cylinder 11 is arranged between the two sliding seats 9, sleeve positioning seats 10 are arranged on the inner side of each sliding seat 9, a plurality of centering blocks 12 are arranged between the two sliding seats 9 side by side at the upper end of the L-shaped mounting seat 8, H-shaped limiting blocks 13 are arranged on the front side and the rear side of each centering block 12, a butt joint block 14 matched with the opening of each H-shaped limiting block 13 is arranged on the inner side of each sliding seat 9, a connecting plate 7 is arranged between the lower parts of the two L-shaped mounting seats 8, and a rotating wheel 5 for driving the L-shaped mounting seat 8 to rotate is arranged on the outer side of one bearing seat 2.

The two sliding seats 9 are controlled to be relatively close or relatively far away by the positioning cylinder 11; when the sleeve 28 needs to be clamped, one end of the sleeve 28 is spliced with the sleeve positioning seat 10, the positioning cylinder 11 is started to enable the two sliding seats 9 to be relatively close, the two sleeve positioning seats 10 are relatively close together with the sliding seats 9, and the two sleeve positioning seats 10 are matched with the sleeve 28 to be clamped; the H-shaped limiting blocks 13 are matched with the butt joint blocks 14, so that high-precision bidirectional centering positioning is realized, and when the two butt joint blocks 14 are respectively spliced and positioned with the corresponding H-shaped limiting blocks 13, the two sleeve positioning seats 10 just clamp the sleeve 28. The butt joint block 14 has a convex structure.

The upper end of the L-shaped mounting seat 8 is positioned at the outer side of each sliding seat 9, a bolt mounting seat 29 is arranged at the outer side of each sliding seat, a limit bolt 30 is screwed on the bolt mounting seat 29, and different positions of the sliding seats 9 after being opened can be limited by rotating the limit bolts 30.

The braking mechanism 6 comprises a bracket 15, a braking cylinder 16 and a braking block 17, wherein the bracket 15 is fixedly arranged on the side edge of the underframe 1, the braking cylinder 16 is vertically arranged in the middle of the bracket 15, a guide post 19 which slides up and down is arranged on the two sides of the bracket 15, the braking blocks 17 are arranged at the upper ends of the two guide posts 19, and the lower ends of the braking blocks 17 are rotationally connected with a piston rod of the braking cylinder 16; the brake cylinder 16 controls the brake block 17 to lift up and down, when the upper end of the brake block 17 is propped against the rotating wheel 5, the rotating wheel 5 cannot rotate, the centering positioning mechanism 3 and the automobile pull rod are still kept, and when the upper end of the brake block 17 is not propped against the rotating wheel 5, the rotating wheel 5 can freely rotate, and the centering positioning mechanism 3 and the automobile pull rod are controlled to rotate together through the rotating wheel 5.

A spring 18 is arranged on the guide post 19 between the brake block 17 and the bracket 15.

The middle part of the lower end of the brake block 17 is provided with a connecting seat 20, and the connecting seat 20 is rotationally connected with a piston rod of the brake cylinder 16.

According to the utility model, under the condition of repeated clamping, the stability and consistency of the product in the clamping process can be ensured; the clamping of the product is convenient, and the production efficiency is improved; meets the size requirement of the product.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The foregoing has described in detail a welding fixture for braking and centering of tie rods of automobiles, which is provided herein, and specific examples are applied to illustrate the principles and embodiments of the present application, and the above examples are only for aiding in understanding the method and core idea of the present application; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.

Claims

1. A welding frock that is arranged in car pull rod braking and divides location, includes chassis (1), its characterized in that: two bearing frames (2) have been arranged to the both sides symmetry of chassis (1) upper end, the inboard of every bearing frame (2) all rotates and installs centering positioning mechanism (3) in one minute, centering positioning mechanism (3) include L shape mount pad (8), L shape mount pad (8) upper end install two sliding slide (9) around side by side, install location cylinder (11) between two slide (9), sleeve positioning seat (10) are all installed to the inboard of every slide (9), L shape mount pad (8) upper end be located and install a plurality of centering blocks (12) side by side between two slide (9), H shape stopper (13) are all installed to the front and back both sides of this centering block (12), the inboard install with H shape stopper (13) opening complex butt joint piece (14), install connecting plate (7) between the lower part of two L shape mount pads (8), install drive L shape mount pad (8) pivoted (5) in the outside of one of them slide (9), the side of the bearing frame (1) is located and is arranged between the connecting plate (4) of the side of many side of rotating wheel (1), the side of rotating mechanism (5) is located and is arranged between the connecting plate (4).

2. The welding fixture for braking and centering of an automobile tie rod according to claim 1, wherein: the braking mechanism (6) comprises a support (15), a braking cylinder (16) and a braking block (17), wherein the support (15) is fixedly arranged on the side edge of the underframe (1), the braking cylinder (16) is vertically arranged in the middle of the support (15), two guide posts (19) which slide up and down are respectively arranged on two sides of the support (15) positioned on the braking cylinder (16), the braking block (17) is arranged at the upper ends of the two guide posts (19), and the lower end of the braking block (17) is rotationally connected with a piston rod of the braking cylinder (16).

3. The welding fixture for braking and centering of an automobile tie rod according to claim 2, wherein: a spring (18) is arranged between the brake block (17) and the bracket (15) on the guide post (19).

4. The welding fixture for braking and centering of an automobile tie rod according to claim 2, wherein: the middle part of the lower end of the brake block (17) is provided with a connecting seat (20), and the connecting seat (20) is rotationally connected with a piston rod of the brake cylinder (16).

5. The welding fixture for braking and centering of an automobile tie rod according to claim 1, wherein: the connecting rod positioning mechanism (4) comprises a support (21), a powerful clamping cylinder (23) and a pressing arm (24), wherein a V-shaped block (22) is arranged at the upper end of the support (21), the powerful clamping cylinder (23) is vertically arranged at the side edge of the support (21), the pressing arm (24) is arranged at the upper end of the powerful clamping cylinder (23), and a pressing block (25) is arranged below the V-shaped block (22) at the free end of the pressing arm (24).