Welding and positioning clamp for automobile rear axle housing assembly workpiece

Abstract

The utility model discloses an automobile rear axle housing assembly workpiece welding positioning fixture, which relates to the technical field of automobile rear axle housing processing, and comprises a workbench, a plurality of transfer rollers are rotatably arranged on the workbench, a fixing plate is arranged below the workbench, two pairs of fixing blocks are fixedly arranged on the fixing plate, and the fixing blocks are fixedly connected with the workbench. And a clamping mechanism is arranged on the fixing plate. The movable rod drives the connecting rod to move, the connecting rod drives the sliding block to move, the sliding block slides towards the middle of the workbench along the sliding groove, the sliding block drives the connecting rod to move towards the middle of the workbench, the connecting rod drives the connecting plate and the connecting plate to rotate towards the middle of the workbench through the transmission rod, and the connecting plate drives the rotating wheel to rotate towards the middle of the workbench. The two pairs of rotating wheels move the workpiece to the middle position of the workbench, and the rotating wheels continue to move until the workpiece is fixed, so that the device has the capability of adjusting the position of the workpiece, even if the workpiece stops at the offset position, the device can fix the workpiece to the center position of the workbench, and welding is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile rear axle housing processing, especially relates to a kind of automobile rear axle housing assembly workpiece welding positioning fixture. BACKGROUND

[0002] Automobile rear axle housing assembly is one of the main components of driving system, it is the basic piece of installing main reducer, differential, half shaft, wheel hub and suspension, its main role is to support and protect main reducer, differential and half shaft and other components, automobile rear axle housing assembly not only has enough strength and rigidity, but also should facilitate the disassembly and adjustment of main reducer.Automobile rear axle housing assembly often needs welding treatment when processing.

[0003] Automobile rear axle housing assembly needs to be used together with positioning fixture when welding, in prior art, positioning fixture is directly clamped workpiece on workbench, cannot adjust the position of workpiece, when workpiece is not stopped in the middle of workbench, often need to be adjusted by staff, it is more troublesome. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings of directly clamping workpiece on workbench in prior art, and cannot adjust the position of workpiece, and provides an automobile rear axle housing assembly workpiece welding positioning fixture.

[0005] In order to solve the problems in prior art, the utility model adopts the following technical scheme:

[0006] An automobile rear axle housing assembly workpiece welding positioning fixture, including workbench, a plurality of transmission rollers are rotationally arranged on the workbench, a fixed plate is arranged below the workbench, two pairs of fixed blocks are fixedly arranged on the fixed plate, the fixed blocks are fixedly connected with the workbench, and a clamping mechanism is arranged on the fixed plate.

[0007] Preferably, the clamping mechanism includes a rotating rod, the rotating rod is rotationally connected with the fixed plate, a motor is fixedly arranged on the lower surface of the fixed plate, the output shaft of the motor is fixedly connected with the rotating rod, a pair of connecting rods are rotationally arranged on the rotating rod, a sliding block is rotationally arranged at the end of each connecting rod, a pair of sliding grooves are formed in the fixed plate, the sliding blocks are slidingly connected with the sliding grooves, a pair of connecting rods are rotationally arranged on each sliding block, a transmission rod is rotationally arranged on each connecting rod, the end of each transmission rod is rotationally connected with the fixed plate, a connecting plate is fixedly arranged at the end of each transmission rod, a connecting plate is arranged on each connecting plate, and a rotating wheel is rotationally arranged at the end of each connecting plate.

[0008] Preferably, a rubber sleeve is sleeved on each rotating wheel.

[0009] Preferably, a plurality of round holes are formed on the connecting plates, a pair of limiting holes are formed on the connecting plates, bolts are inserted into the limiting holes, and the bolts are movably connected with the round holes.

[0010] Preferably, the plurality of round holes are linearly and equidistantly distributed.

[0011] Preferably, a fixing frame is fixedly arranged on the workbench, and a welding assembly is fixedly arranged on the fixing frame.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] 1. In the present application, the rotating rod drives the connecting rod to move, the connecting rod drives the sliding block to move, the sliding block slides along the sliding groove to the middle of the workbench, the sliding block drives the connecting rod to move to the middle of the workbench, the connecting rod drives the connecting plate and the connecting plate to rotate to the middle of the workbench through the transmission rod, the connecting plate drives the rotating wheel to rotate to the middle of the workbench, and the two pairs of rotating wheels move the workpiece to the middle position of the workbench. The rotating wheel continues to move until the workpiece is fixed, so that the device has the ability to adjust the position of the workpiece. Even if the workpiece is stopped at an offset position, the device can also fix the workpiece at the center position of the workbench, which is convenient for welding.

[0014] 2. In the present application, the nut is unscrewed, the bolt is pulled out from the round hole and the limiting hole, the position of the connecting plate relative to the connecting plate is adjusted according to the size of the workpiece, and then the connecting plate and the connecting plate are fixed by the bolt and the nut, so that the device can clamp workpieces of different sizes, greatly improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present application, constitute a part of the present application, and the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 It is a front view structural schematic diagram of the present application;

[0017] Figure 2 It is a fixed plate and fixed block position relationship schematic diagram of the present application;

[0018] Figure 3 It is a clamping mechanism structure schematic diagram of the present application;

[0019] Figure 4 It is a connecting plate and connecting plate connection relationship schematic diagram of the present application;

[0020] Figure 5 It is a welding assembly structure schematic diagram of the present application.

[0021] Figure No. 1, workbench; 11, transfer roller; 12, fixed plate; 13, fixed block; 2, rotating rod; 21, motor; 22, connecting rod; 23, sliding block; 24, sliding groove; 25, connecting rod; 26, transmission rod; 27, connecting plate; 28, connecting plate; 29, rotating wheel; 3, rubber sleeve; 4, round hole; 41, limiting hole; 42, bolt; 43, nut; 5, fixed frame; 51, welding assembly. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0023] Embodiment: The embodiment provides a welding positioning clamp for automobile rear axle housing assembly workpiece, referring to Figures 1-5 , specifically, comprising a workbench 1, a plurality of transfer rollers 11 are rotatably arranged on the workbench 1, a fixed plate 12 is arranged below the workbench 1, two pairs of fixed blocks 13 are fixedly arranged on the fixed plate 12, the fixed blocks 13 are fixedly connected with the workbench 1, a clamping mechanism is arranged on the fixed plate 12, the clamping mechanism comprises a rotating rod 2, the rotating rod 2 is rotatably connected with the fixed plate 12, a motor 21 is fixedly arranged on the lower surface of the fixed plate 12, the output shaft of the motor 21 is fixedly connected with the rotating rod 2, a pair of connecting rods 22 are rotatably arranged on the rotating rod 2, a sliding block 23 is rotatably arranged at the end of each connecting rod 22, a pair of sliding grooves 24 are arranged on the fixed plate 12, the sliding blocks 23 are slidably connected with the sliding grooves 24, a pair of connecting rods 25 are rotatably arranged on each sliding block 23, a transmission rod 26 is rotatably arranged on each connecting rod 25, the end of each transmission rod 26 is rotatably connected with the fixed plate 12, a connecting plate 27 is fixedly arranged at the end of each transmission rod 26, a connecting plate 28 is arranged on each connecting plate 27, and a rotating wheel 29 is rotatably arranged at the end of each connecting plate 28.

[0024] The workpiece moves along the transfer roller 11 to a position above the clamping mechanism, the motor 21 drives the rotating rod 2 to rotate, the rotating rod 2 drives the connecting rod 22 to move, the connecting rod 22 drives the sliding block 23 to move, the sliding block 23 slides along the sliding groove 24 to the middle of the workbench 1, the sliding block 23 drives the connecting rod 25 to move to the middle of the workbench 1, the connecting rod 25 drives the connecting plate 27 and the connecting plate 28 to rotate to the middle of the workbench 1 through the transmission rod 26, the connecting plate 28 drives the rotating wheel 29 to rotate to the middle of the workbench 1, the two pairs of rotating wheels 29 move the workpiece to the middle position of the workbench 1, the rotating wheel 29 continues to move until the workpiece is fixed, so that the device has the ability to adjust the position of the workpiece, even if the workpiece is stopped at an offset position, the device can also fix the workpiece at the center position of the workbench 1, facilitating welding;

[0025] A rubber sleeve 3 is arranged on each rotating wheel 29.

[0026] The rubber sleeve 3 protects the surface of the workpiece from being damaged in the clamping process;

[0027] A plurality of circular holes 4 are formed on the connecting plate 27, and a pair of limiting holes 41 are formed on the connecting plate 28.

[0028] The nuts 43 are unscrewed, the bolts 42 are pulled out from the circular holes 4 and the limiting holes 41, the position of the connecting plate 28 relative to the connecting plate 27 is adjusted according to the size of the workpiece, and then the connecting plate 27 and the connecting plate 28 are fixed by the bolts 42 and the nuts 43, so that the device can clamp workpieces of different sizes, greatly improving the practicability of the device.

[0029] The fixed frame 5 is fixedly arranged on the workbench 1, and the welding assembly 51 is fixedly arranged on the fixed frame 5.

[0030] The welding assembly 51 performs welding work on the workpiece.

[0031] Specifically, the working principle and operation method of the utility model are as follows:

[0032] The nuts 43 are unscrewed, the bolts 42 are pulled out from the circular holes 4 and the limiting holes 41, the position of the connecting plate 28 relative to the connecting plate 27 is adjusted according to the size of the workpiece, and then the connecting plate 27 and the connecting plate 28 are fixed by the bolts 42 and the nuts 43, so that the device can clamp workpieces of different sizes, greatly improving the practicability of the device.

[0033] The workpiece moves along the transmission roller 11 to a position above the clamping mechanism.

[0034] The motor 21 drives the rotating rod 2 to rotate, the rotating rod 2 drives the connecting rod 22 to move, the connecting rod 22 drives the sliding block 23 to move, the sliding block 23 slides along the sliding groove 24 to the middle of the workbench 1, the sliding block 23 drives the connecting rod 25 to move to the middle of the workbench 1, the connecting rod 25 drives the connecting plate 27 and the connecting plate 28 to rotate to the middle of the workbench 1 through the transmission rod 26, the connecting plate 28 drives the rotating wheel 29 to rotate to the middle of the workbench 1, and the two pairs of rotating wheels 29 move the workpiece to the middle position of the workbench 1.

[0035] The welding assembly 51 performs welding work on the workpiece.

[0036] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An automobile rear axle housing assembly workpiece welding positioning fixture comprising a worktable (1), characterized in that: A plurality of transmission rollers (11) are arranged on the workbench (1) in rotation, a fixed plate (12) is arranged below the workbench (1), two pairs of fixed blocks (13) are fixedly arranged on the fixed plate (12), the fixed blocks (13) are fixedly connected with the workbench (1), and a clamping mechanism is arranged on the fixed plate (12).

2. The automotive rear axle housing assembly work piece welding fixture of claim 1, wherein: The clamping mechanism comprises a rotating rod (2), the rotating rod (2) is rotationally connected with the fixed plate (12), a motor (21) is fixedly arranged on the lower surface of the fixed plate (12), the output shaft of the motor (21) is fixedly connected with the rotating rod (2), a pair of connecting rods (22) are rotationally arranged on the rotating rod (2), a sliding block (23) is rotationally arranged at the end of each connecting rod (22), a pair of sliding grooves (24) are formed in the fixed plate (12), the sliding blocks (23) are slidably connected with the sliding grooves (24), a pair of connecting rods (25) are rotationally arranged on each sliding block (23), a transmission rod (26) is rotationally arranged on each connecting rod (25), the end of each transmission rod (26) is rotationally connected with the fixed plate (12), a connecting plate (27) is fixedly arranged at the end of each transmission rod (26), a connecting plate (28) is arranged on each connecting plate (27), and a rotating wheel (29) is rotationally arranged at the end of each connecting plate (28).

3. The automotive rear axle housing assembly work piece welding fixture of claim 2, wherein: A rubber sleeve (3) is sleeved on each rotating wheel (29).

4. The automotive rear axle housing assembly work piece welding fixture of claim 2 wherein: A plurality of circular holes (4) are formed in each connecting plate (27), a pair of limiting holes (41) are formed in each connecting plate (28), a bolt (42) is inserted into each limiting hole (41), the bolt (42) is movably connected with the circular hole (4), and a nut (43) is threadedly arranged on the bolt (42).

5. The automotive rear axle housing assembly work piece welding fixture of claim 4, wherein: The plurality of circular holes (4) are linearly and equidistantly distributed.

6. The automotive rear axle housing assembly work piece welding fixture of claim 1 wherein: A fixed frame (5) is fixedly arranged on the workbench (1), and a welding assembly (51) is fixedly arranged on the fixed frame (5).

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