CN222790928U - Automobile chassis welding tool - Google Patents

Abstract

The utility model discloses an automobile chassis welding tool which comprises a base, wherein a supporting plate is arranged on the base, and the automobile chassis welding tool is characterized by further comprising a first clamping and welding mechanism and a second clamping and welding mechanism which are arranged on the base, wherein the first clamping and welding mechanism is arranged on the base in a sliding mode, the second clamping and welding mechanism is arranged on the base, the chassis is clamped on the base through the first clamping and welding mechanism and the second clamping and welding mechanism, and a workpiece is welded with the chassis. The utility model provides an automobile chassis welding frock, first centre gripping welding mechanism and second centre gripping welding mechanism through setting up on the base with the chassis centre gripping on the base to will need welded work piece to weld, replaced artifical manual welding or robotic arm and welded, can reduce manufacturing cost, improve production efficiency.

Description

Automobile chassis welding tool

Technical Field

The utility model relates to the technical field of automobile chassis welding processing equipment, in particular to an automobile chassis welding tool.

Background

When the automobile chassis body workpiece is welded, the workpiece is required to be fixed firstly, then the workpiece can be welded, and as the heights of the workpieces to be welded are different, part of the workpieces can be in a suspended state, when the workpieces are supported and fixed, the bottom of the workpiece is required to be supported by a clamp such as a gasket, so that the workpiece is prevented from shaking during welding to generate errors, and in addition, in the welding process, some small workpieces are required to be welded on the chassis workpiece.

According to patent number CN117680892A, published patent application No. 2024-03-12 discloses a welding fixture for an automobile chassis, which comprises a fixture frame, a supporting leg top supporting frame, a segmented welding mechanism and an angular positioning mechanism, wherein the supporting leg top supporting frame is symmetrically arranged at the upper end of the fixture frame and used for placing an automobile chassis body, the segmented welding mechanism is provided with a plurality of segmented welding mechanisms which are arranged on two sides of the fixture frame and used for carrying out interval segmented welding on the automobile chassis body, and the angular positioning mechanism is also arranged on two sides of the fixture frame and used for preventing the situation that the automobile chassis body is contracted in an angular direction during welding. The automobile chassis is respectively positioned by the sectional welding mechanisms at the two sides of the tool frame, the output end of the first air cylinder drives the connecting plate to move downwards along the guide post, the pressing arm is driven to overturn downwards around the hinge joint with the guide post under the pulling action of the connecting rod until the buffer plate at the end part of the pressing arm is respectively abutted against the straight edge section and the curved edge section of the automobile chassis body, and the output end of the second air cylinder drives the angular cladding piece to move to the corresponding appointed positions before and after the forward extending structure, so that the aim of carrying out welding at intervals in sections is fulfilled, the cracking of a welding line is avoided in a continuous welding mode at the deformation position of residual stress, the forward extending structure of the automobile chassis can be respectively clad and exposed by the angular cladding piece in a welding protection mode, and the phenomenon that the forward extending structure of the automobile chassis is stretched in an angular direction in a cooling process can be avoided.

When welding small workpieces of an automobile chassis, because the shape of the workpieces of the automobile chassis is special, most of the workpieces need to be welded manually or by a manipulator in welding, and the cost is high.

Disclosure of utility model

The utility model aims to provide an automobile chassis welding tool, and aims to solve the problem that in the prior art, when small workpieces are welded, manual or mechanical arms are adopted for welding, and the cost is high.

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

The utility model provides an automobile chassis welding frock, includes the base, be provided with the bearing board on the base, its characterized in that still includes first centre gripping welding mechanism and the second centre gripping welding mechanism that set up on the base, first centre gripping welding mechanism slides and sets up the base, second centre gripping welding mechanism sets up on the base, through first centre gripping welding mechanism, second centre gripping welding mechanism are with the chassis centre gripping on the base to weld work piece and chassis.

Preferably, the first clamping and welding mechanism comprises a bottom plate, a sliding rail, a first clamping head, a second clamping head, a manual mechanism and a first driving cylinder, wherein the sliding rail, the first clamping head, the second clamping head, the manual mechanism and the first driving cylinder are arranged on the bottom plate, the first clamping head and the second clamping head are respectively and slidably connected to the sliding rail, the welding heads are arranged on the first clamping head and the second clamping head, the first driving cylinder is fixedly arranged on the first clamping head, the output end of the first driving cylinder is connected to the second clamping head, the manual mechanism is connected to the first clamping head and the second clamping head, and the bottom plate is slidably connected to the base.

Preferably, the manual mechanism comprises a first rotating seat, a second rotating seat, a first rotating rod and a second rotating rod, wherein the first rotating seat and the second rotating seat are respectively and fixedly arranged on the first clamping head and the second clamping head, one end of the first rotating rod is rotationally connected with the first rotating seat, one end of the second rotating rod is rotationally connected with the first rotating seat, and the other end of the second rotating rod is rotationally connected with the first rotating rod.

Preferably, the second clamping and welding mechanism comprises a first rotary cylinder, a connecting frame and rotary clamping units, wherein the outer wall of one side of the base is fixedly installed on the first rotary cylinder, the connecting frame is fixedly installed at the output end of the first rotary cylinder, the number of the rotary clamping units is two, and the two rotary clamping units are arranged on the connecting frame.

The rotary clamping unit comprises a first telescopic cylinder, a rotating rod, a connecting rod and a connecting seat, wherein the connecting rod is fixedly connected to the connecting frame, the connecting seat is connected to one end of the connecting rod, the first telescopic cylinder is fixedly installed on the connecting seat, one end of the rotating rod is rotationally connected to the output end of the first telescopic cylinder, and one end of the connecting rod is rotationally connected to one end of the rotating rod.

Preferably, the four corners of the base are respectively provided with a pressing mechanism, the pressing mechanism comprises a supporting block, a second rotary cylinder and a pressing block, the second rotary cylinder is fixedly arranged on the base, the supporting block is fixedly arranged on the base, and the pressing block is fixedly arranged at the output end of the second rotary cylinder.

Preferably, the base is provided with a floating clamping mechanism, the floating clamping mechanism comprises a third rotary cylinder, a clamping seat and a rotary clamping head, the third rotary cylinder is fixedly arranged on the base, the rotary clamping head is fixedly arranged at the output end of the third rotary cylinder, and the clamping seat is provided with a positioning pin.

Preferably, the bearing clamping mechanism is arranged on the outer wall of one side of the base, and comprises a bearing part, a second telescopic cylinder, a rotary clamping plate and a rotary rod, wherein the bearing part is fixedly arranged on the base, the second telescopic cylinder is fixedly arranged on the base, the rotary clamping plate is rotationally connected to the output end of the second telescopic cylinder, one end of the rotary rod is rotationally connected to the second telescopic cylinder, and the other end of the rotary rod is rotationally connected to the rotary clamping plate.

In the technical scheme, the automobile chassis welding tool provided by the utility model has the following beneficial effects:

according to the utility model, the chassis is clamped on the base through the first clamping and welding mechanism and the second clamping and welding mechanism which are arranged on the base, and workpieces to be welded are welded, so that manual welding or mechanical arm welding is replaced, the production cost can be reduced, and the production efficiency is improved.

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 diagram of an overall structure according to an embodiment of the present utility model;

fig. 2 is a schematic view of a part of a three-dimensional structure of a second clamping and welding mechanism according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a second clamping welding mechanism according to an embodiment of the present utility model;

Fig. 4 is a schematic structural diagram of a first clamping welding mechanism according to an embodiment of the present utility model;

Fig. 5 is a schematic front perspective view of a first clamping and welding mechanism according to an embodiment of the present utility model;

Fig. 6 is a schematic perspective view of a floating clamping mechanism according to an embodiment of the present utility model;

FIG. 7 is a schematic view of a portion of a supporting and clamping mechanism according to an embodiment of the present utility model;

Fig. 8 is a schematic perspective view of a compressing mechanism according to an embodiment of the present utility model.

Reference numerals illustrate:

1. Base, 11, bearing plate, 12, lifting cylinder, 13, bearing seat, 2, first clamping welding mechanism, 21, bottom plate, 22, first clamping head, 23, second clamping head, 24, manual mechanism, 241, first rotating seat, 242, second rotating seat, 243, first rotating rod, 244, second rotating rod, 25, first driving cylinder, 3, second clamping welding mechanism, 31, first rotating cylinder, 32, connecting frame, 33, rotating clamping unit, 331, first telescopic cylinder, 332, rotating rod, 333, connecting rod, 334, connecting seat, 4, compressing mechanism, 41, bearing block, 42, second rotating cylinder, 43, compressing block, 5, floating clamping mechanism, 51, third rotating cylinder, 52, clamping seat, 53, rotating clamping head, 6, bearing clamping mechanism, 61, bearing part, 62, second telescopic cylinder, 63, rotating clamping plate, 64, rotating rod.

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.

Referring to fig. 1-8, an automobile chassis welding fixture comprises a base 1, wherein a supporting plate 11 is arranged on the base 1, and further comprises a first clamping welding mechanism 2 and a second clamping welding mechanism 3 which are arranged on the base 1, wherein the first clamping welding mechanism 2 is arranged on the base 1 in a sliding manner, the second clamping welding mechanism 3 is arranged on the base 1, and a chassis is clamped on the base 1 through the first clamping welding mechanism 2 and the second clamping welding mechanism 3, and workpieces are welded with the chassis.

The chassis is supported through the supporting plate 11, the chassis is prevented from falling, the first clamping welding mechanism 2 and the second clamping welding mechanism 3 are arranged on the chassis 1, the first clamping welding mechanism 2 is specifically connected to the chassis 1 in a sliding mode, the first clamping welding mechanism 2 comprises a bottom plate 21, a sliding rail, a first clamping head 22, a second clamping head 23, a manual mechanism 24 and a first driving cylinder 25, the bottom plate 21 is connected to the chassis 1 in a sliding mode, the sliding rail is fixedly arranged on the outer wall of the bottom plate 21, the first clamping head 22 and the second clamping head 23 are respectively connected to the sliding rail in a sliding mode, the manual mechanism 24 is respectively connected to the first clamping head 22 and the second clamping head 23, the manual mechanism 24 specifically comprises a first rotating seat 241, a second rotating seat 242, a first rotating rod 243 and a second rotating rod 244, the first rotating seat 241 and the second rotating seat 242 are respectively fixedly arranged on the first clamping seat 52, one end of the first rotating rod is rotationally connected to the first rotating seat 241, and the other end of the second rotating rod 244 is connected to the first rotating rod 243. In use, an operator rotates the first rotating rod 243, when the first rotating rod 243 rotates, the second rotating rod 244 is driven to rotate, and the first rotating rod 243 and the second rotating rod 244 are respectively connected to the first rotating seat 241 and the second rotating seat 242 in a rotating manner, so that the first clamping head 22 and the second clamping head 23 can be driven to be separated from each other or approach each other, further, workpieces to be welded can be clamped manually, a limiting block is arranged on the bottom plate 21, the first clamping head 22 or the second clamping head 23 can be prevented from being separated from the sliding rail, further, as shown in fig. 4 and 5, one end of the first driving cylinder 25 is connected to the second clamping head 23, the output end of the first driving cylinder 25 is connected to the first clamping head 22, and the first clamping head 22 and the second clamping head 23 can be driven to automatically clamp the workpieces or loosen the workpieces through the first driving cylinder 25. The first clamping head 22 and the second clamping head 23 are respectively provided with a welding head, so that automatic welding can be realized, the welding heads are conventional technical means in the field, and the realized principle and structure are not repeated here.

Be provided with the sideslip cylinder on the outer wall of base 1 bottom, the output of sideslip cylinder is connected with bottom plate 21, can order about bottom plate 21 to keep removing through the sideslip cylinder, and when using, at first remove bottom plate 21 through the sideslip cylinder, then the operation workman is through manual mechanism 24 with work piece centre gripping, after the chassis is accomplished fixedly, resets bottom plate 21 through the sideslip cylinder, welds.

As shown in fig. 2 and 3, the second clamping and welding mechanism 3 includes a first rotary cylinder 31, a connecting frame 32 and a rotary clamping unit 33, the first rotary cylinder 31 is fixedly installed on an outer wall of one side of the base 1, the connecting frame 32 is fixedly installed at an output end of the first rotary cylinder 31, specifically, the connecting frame 32 is in a T-shaped structure, the number of the rotary clamping units 33 is two, the two rotary clamping units 33 are respectively installed on the connecting frame 32 in the T-shaped structure, the connecting frame 32 is driven to rotate by the first rotary cylinder 31, so that a workpiece connected to the rotary clamping unit 33 can be driven to keep rotating, and then the workpiece is placed on a chassis for welding, further, the rotary clamping unit 33 includes a first telescopic cylinder 331, a rotating rod 332, a connecting rod 333 and a connecting seat 334, as shown in fig. 3, the connecting rod 333 is fixedly connected to the connecting frame 32, the first telescopic cylinder 331 is fixedly installed at one end of the connecting seat 334, one end of the rotating rod 332 is rotationally connected to the output end of the first telescopic cylinder 331, one end of the connecting rod 333 is rotationally connected to the connecting rod 332, and when the first end of the connecting rod 332 is rotationally connected to the rotating rod 332, the first end 332 is rotationally held by the connecting rod 332, and the workpiece can be placed on the chassis, and can be rotated and then rotated and kept to rotate the connecting rod 332.

As a further embodiment provided by the utility model, as shown in fig. 1 and 7, pressing mechanisms 4 are respectively arranged at four corners of the base 1, the pressing mechanisms 4 comprise a supporting block 41, a second rotary air cylinder 42 and a pressing block 43, the second rotary air cylinder 42 is fixedly arranged on the base 1, the supporting block 41 is fixedly arranged on the base 1, and the pressing block 43 is fixedly arranged at the output end of the second rotary air cylinder 42. When the rotary type lifting device is used, the compression block 43 is firstly rotated outwards through the second rotary air cylinder 42, the chassis is placed on the base 1 through the mechanical arm or the lifting appliance, the chassis is positioned through the supporting plate 11 and the positioning pins arranged on the base 1, then the compression block 43 is reset through the second rotary air cylinder 42, and further four corners of the chassis are fixed.

Further, a floating clamping mechanism 5 is arranged on the base 1, the floating clamping mechanism 5 comprises a third rotary air cylinder 51, a clamping seat 52 and a rotary clamping head 53, the third rotary air cylinder 51 is fixedly arranged on the base 1, the rotary clamping head 53 is fixedly arranged at the output end of the third rotary air cylinder 51, a positioning pin is arranged on the clamping seat 52, the chassis can be positioned when the chassis is placed through the positioning pin, the third rotary air cylinder 51 keeps rotating through driving the rotary clamping head 53 to fix the side edge of the chassis, a lifting air cylinder 12 is arranged on the base 1, a supporting seat 13 is arranged at the output end of the lifting air cylinder 12, the supporting seat 13 is driven to move upwards through the lifting air cylinder 12, the chassis can be supported, and then the chassis can be conveniently positioned. It should be noted that the position and number of the lifting cylinders 12 are designed according to the chassis to be clamped.

As shown in fig. 7, the outer wall of one side of the base 1 is provided with a supporting and clamping mechanism 6, the supporting and clamping mechanism 6 includes a supporting portion 61, a second telescopic cylinder 62, a rotary clamping plate 63 and a rotary rod 64, the supporting portion 61 is fixedly installed on the base 1, the second telescopic cylinder 62 is fixedly installed on the base 1, the rotary clamping plate 63 is rotatably connected to the output end of the second telescopic cylinder 62, one end of the rotary rod 64 is rotatably connected to the second telescopic cylinder 62, and the other end of the rotary rod 64 is rotatably connected to the rotary clamping plate 63. Specifically, the supporting fixture 6 is disposed near the center of the base 1, and when in use, the second telescopic cylinder 62 drives the rotary clamping plate 63 to open, the chassis is placed on the base 1, the center of the base is supported by the supporting portion 61, and then the rotary clamping plate 63 is driven to reset by the second telescopic cylinder 62, and the rotary clamping plate 63 is rotationally connected with the output end of the second telescopic cylinder 62, and is rotationally connected with the outer wall of the second telescopic cylinder 62 by the rotary rod 64, so that the rotary clamping plate 63 can be rotationally controlled by the telescopic output end of the second telescopic cylinder 62.

It should be noted that the number of the floating clamping mechanism 5, the bearing clamping mechanism 6, the second clamping welding mechanism 3 and the first clamping welding mechanism 2 is two, and the floating clamping mechanism, the bearing clamping mechanism and the first clamping welding mechanism are arranged on the base 1 in a substantially symmetrical manner, and the specific positions of the floating clamping mechanism, the bearing clamping mechanism, the second clamping welding mechanism and the first clamping welding mechanism need to be adjusted according to the type of the produced base.

According to the utility model, the chassis is clamped on the base 1 through the first clamping and welding mechanism 2 and the second clamping and welding mechanism 3 which are arranged on the base 1, and workpieces to be welded are welded, so that manual welding or mechanical arm welding is replaced, the production cost can be reduced, and the production efficiency is improved.

Those skilled in the art will appreciate that other similar connections may implement the present utility model. Such as welding, bonding, or bolting.

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 (8)

1. The utility model provides an automobile chassis welding frock, includes base (1), be provided with carrier plate (11) on base (1), its characterized in that still includes first centre gripping welding mechanism (2) and second centre gripping welding mechanism (3) that set up on base (1), first centre gripping welding mechanism (2) slip sets up base (1), second centre gripping welding mechanism (3) set up on base (1), through first centre gripping welding mechanism (2), second centre gripping welding mechanism (3) are with the chassis centre gripping on base (1) to with work piece and chassis welding.

2. The welding fixture of claim 1, wherein the first clamping and welding mechanism (2) comprises a bottom plate (21) and a sliding rail, a first clamping head (22), a second clamping head (23), a manual mechanism (24) and a first driving cylinder (25) which are arranged on the bottom plate (21), the first clamping head (22) and the second clamping head (23) are respectively and slidably connected to the sliding rail, the welding heads are respectively arranged on the first clamping head (22) and the second clamping head (23), the first driving cylinder (25) is fixedly arranged on the first clamping head (22), the output end of the first driving cylinder (25) is connected to the second clamping head (23), the manual mechanism (24) is connected to the first clamping head (22) and the second clamping head (23), and the bottom plate (21) is slidably connected to the base (1).

3. The welding fixture for the chassis of the automobile according to claim 2, wherein the manual mechanism (24) comprises a first rotating seat (241), a second rotating seat (242), a first rotating rod (243) and a second rotating rod (244), the first rotating seat (241) and the second rotating seat (242) are respectively fixedly installed on the first clamping head (22) and the second clamping head (23), one end of the first rotating rod (243) is rotatably connected with the first rotating seat (241), one end of the second rotating rod (244) is rotatably connected with the first rotating seat (241), and the other end of the second rotating rod (244) is rotatably connected with the first rotating rod (243).

4. The welding fixture for the automobile chassis according to claim 1, wherein the second clamping welding mechanism (3) comprises a first rotary cylinder (31), a connecting frame (32) and rotary clamping units (33), the first rotary cylinder (31) is fixedly mounted on the outer wall of one side of the base (1), the connecting frame (32) is fixedly mounted at the output end of the first rotary cylinder (31), the number of the rotary clamping units (33) is two, and the two rotary clamping units (33) are both arranged on the connecting frame (32).

5. The welding fixture of claim 4, wherein the rotary clamping unit (33) comprises a first telescopic cylinder (331), a rotating rod (332), a connecting rod (333) and a connecting seat (334), the connecting rod (333) is fixedly connected to the connecting frame (32), the connecting seat (334) is connected to one end of the connecting rod (333), the first telescopic cylinder (331) is fixedly installed on the connecting seat (334), one end of the rotating rod (332) is rotatably connected to the output end of the first telescopic cylinder (331), and one end of the connecting rod (333) is rotatably connected to one end of the rotating rod (332).

6. The welding fixture for the automobile chassis according to claim 1, wherein pressing mechanisms (4) are respectively arranged at four corners of the base (1), the pressing mechanisms (4) comprise supporting blocks (41), second rotary air cylinders (42) and pressing blocks (43), the second rotary air cylinders (42) are fixedly arranged on the base (1), the supporting blocks (41) are fixedly arranged on the base (1), and the pressing blocks (43) are fixedly arranged at output ends of the second rotary air cylinders (42).

7. The welding fixture for the automobile chassis according to claim 1, wherein a floating clamping mechanism (5) is arranged on the base (1), the floating clamping mechanism (5) comprises a third rotary air cylinder (51), a clamping seat (52) and a rotary clamping head (53), the third rotary air cylinder (51) is fixedly arranged on the base (1), the rotary clamping head (53) is fixedly arranged at the output end of the third rotary air cylinder (51), and a positioning pin is arranged on the clamping seat (52).

8. The welding fixture for the automobile chassis according to claim 1, wherein a supporting clamping mechanism (6) is arranged on the outer wall of one side of the base (1), the supporting clamping mechanism (6) comprises a supporting portion (61), a second telescopic cylinder (62), a rotary clamping plate (63) and a rotary rod (64), the supporting portion (61) is fixedly arranged on the base (1), the second telescopic cylinder (62) is fixedly arranged on the base (1), the rotary clamping plate (63) is rotationally connected to the output end of the second telescopic cylinder (62), one end of the rotary rod (64) is rotationally connected to the second telescopic cylinder (62), and the other end of the rotary rod (64) is rotationally connected to the rotary clamping plate (63).