Longitudinal weld joint welding clamp for bent pipe of automobile engine

Abstract

The utility model discloses an automobile engine bent pipe longitudinal weld joint welding clamp which comprises a base, two supporting plates are arranged above the base, an automobile engine bent pipe body is jointly placed on the two supporting plates, each supporting plate is provided with a limiting mechanism, the supporting plate on the right side is provided with an adjusting mechanism, and the adjusting mechanism is arranged on the supporting plate on the right side. The adjusting mechanism comprises a moving block fixedly connected with the lower portion of the right supporting plate, a fixing frame is fixedly connected to the top of the base, a first threaded rod rotationally connected with the fixing frame is arranged on the fixing frame in a penetrating mode, and the outer wall of the first threaded rod is sleeved with a sliding block in threaded connection with the first threaded rod. And the top of the sliding block is fixedly connected with a moving frame. By adjusting the position of the supporting plate on the right side, automobile engine bent pipes with different bending radiuses can be clamped and fixed, the clamp does not need to be replaced, the automobile engine bent pipes with the different bending radiuses can be welded, the application range is wide, and the welding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding fixture technical field especially relates to a kind of automobile engine elbow pipe longitudinal weld welding fixture. BACKGROUND

[0002] Prior art discloses the application number as CN202122237616.9 one kind of elbow pipe longitudinal weld welding fixture, with bottom plate, the bottom plate is fixed with a pair of along concentric circle radial distribution positioning support engine elbow pipe two ends first tooling plate, second tooling plate, the second tooling plate is equipped with the limiting baffle of positioning engine elbow pipe end face, the second tooling plate top is equipped with the triangular sharp point of calibrating its inner and outer longitudinal weld horizontal direction when engine elbow pipe is fixed positioning, the first pressure block of the engine elbow pipe two ends is equipped with respectively, second pressure block, which can compress engine elbow pipe.This utility model can accurately position engine elbow pipe, once clamping can satisfy the welding requirement of welding robot to engine elbow pipe inner and outer ring side longitudinal weld, its positioning is accurate, simple structure, easy to operate, help to improve welding quality and product consistency.

[0003] The above-mentioned authorized patent can clamp and fix automobile engine elbow pipe, but only single curvature radius automobile engine elbow pipe (such as R150mm) can be adapted, when processing R100-R300mm range elbow pipe, clamp module needs to be replaced, cost is increased, and a lot of time is consumed when replacing clamp, welding efficiency of automobile engine elbow pipe is reduced;To solve the above problems, an automobile engine elbow pipe longitudinal weld welding fixture is proposed in the present application. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of automobile engine elbow pipe longitudinal weld welding fixtures to solve the shortcomings in prior art, the position of right side support plate can be adjusted in the present utility model, different curvature radius automobile engine elbow pipe can be clamped and fixed, different curvature radius automobile engine elbow pipe does not need to be replaced clamp and welded, wide application range, improve the efficiency of welding.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of automobile engine elbow longitudinal weld welding fixture, including base, the upper of the base is equipped with two support plates, two The automobile engine elbow body is placed in common in the support plate, limiting mechanism is equipped on each support plate, adjusting mechanism is equipped on the support plate of right side, the adjusting mechanism includes the fixed connection of the lower of right side support plate with moving block, the top of the base is fixedly connected with fixed frame, the first threaded rod of first threaded rod is rotatably connected with the fixed frame and is penetrated, the outer wall of the first threaded rod is equipped with the sliding block and is threadedly connected with it, the top of the sliding block is fixedly connected with moving frame, the second threaded rod of second threaded rod is rotatably connected with the moving frame and is penetrated, and the second threaded rod is threadedly connected with moving block.

[0007] Preferably, the limiting mechanism includes a fixed block fixedly connected to the side wall of the support plate, a hydraulic rod fixedly connected to the top of the fixed block, and a limiting block fixedly connected to the top of the hydraulic rod.

[0008] Preferably, the top of the base is fixedly connected with a connecting column, and the top of the connecting column is fixedly connected with the bottom of the support plate on the left side.

[0009] Preferably, the top of the fixed frame is provided with a first groove, the sliding block is slidably connected with the inner wall of the first groove, the top of the moving frame is provided with a second groove, the moving block is slidably connected with the inner wall of the second groove, two first sliding rods are fixedly connected to the fixed frame, both of the first sliding rods penetrate the sliding block and are slidably connected therewith, two second sliding rods are fixedly connected to the moving frame, both of the second sliding rods penetrate the moving block and are slidably connected therewith.

[0010] Preferably, the first handle is fixedly connected to the end of the first threaded rod away from the fixed frame, the outer wall of the first handle is provided with a first protective sleeve, the material of the first protective sleeve is rubber, the second handle is fixedly connected to the end of the second threaded rod away from the moving frame, the outer wall of the second handle is provided with a second protective sleeve, and the material of the second protective sleeve is silica gel.

[0011] Preferably, the top of the support plate is provided with a sliding groove, the outer wall of the automobile engine elbow body is arranged in abutment with the inner wall of the sliding groove, and the diameter of the outer wall of the automobile engine elbow body is equal to the diameter of the sliding groove.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The hydraulic rod is driven to move down the limiting block until the two limiting blocks abut against the inner wall of the automobile engine elbow body, the two ends of the automobile engine elbow body are clamped and fixed, the stability of the automobile engine elbow body during subsequent welding of the longitudinal weld of the automobile engine elbow body is ensured, and the welding effect is good.

[0014] 2, the staff hold the first handle to rotate and drive the first threaded rod to rotate, the sliding block, the moving frame, the moving block, the right support plate are moved in the Y axis direction, the staff hold the second handle to rotate and drive the second threaded rod to rotate, the moving block, the right support plate are moved in the X axis direction, the position of the right support plate can be adjusted, the automobile engine bent pipe body with different bending radius can be limited, the fixture does not need to be replaced, and the scope of application is wide.

[0015] To sum up, the fixture can clamp and fix the automobile engine bent pipe with different bending radius by adjusting the position of the right support plate, the automobile engine bent pipe with different bending radius is welded without replacing the fixture, the scope of application is wide, and the welding efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 A first structural schematic view of the automobile engine bent pipe longitudinal weld welding fixture is provided.

[0017] Fig. 2 A second structural schematic view of the automobile engine bent pipe longitudinal weld welding fixture is provided.

[0018] Fig. 3 A third structural schematic view of the automobile engine bent pipe longitudinal weld welding fixture is provided.

[0019] In the figure: 1 base, 2 automobile engine bent pipe body, 3 connecting column, 4 support plate, 5 fixed frame, 6 first threaded rod, 7 first handle, 8 first sliding rod, 9 sliding block, 10 moving frame, 11 second threaded rod, 12 second handle, 13 second sliding rod, 14 moving block, 15 sliding groove, 16 fixed block, 17 hydraulic rod, 18 limiting block. DETAILED DESCRIPTION

[0020] 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, not all the embodiments.

[0021] Referring to Figs. 1-3The utility model provides an automobile engine elbow pipe longitudinal weld welding fixture, including base 1, the top of base 1 is equipped with two support plates 4, and the automobile engine elbow pipe body 2 is placed in common to two support plates 4, the top of support plate 4 is equipped with sliding slot 15, and the outer wall of automobile engine elbow pipe body 2 is arranged with the inner wall of sliding slot 15, and the diameter of the outer wall of automobile engine elbow pipe body 2 is equal to the diameter of sliding slot 15, can increase the contact area between automobile engine elbow pipe body 2 and support plate 4, and the limiting effect of automobile engine elbow pipe body 2 is good.

[0022] The top of base 1 is fixedly connected with connecting column 3, the top of connecting column 3 is fixedly connected with the bottom of left support plate 4, and the limiting mechanism is arranged on each support plate 4, and the limiting mechanism comprises a fixed block 16 fixedly connected with the side wall of support plate 4, a hydraulic rod 17 fixedly connected with the top of fixed block 16, and a limiting block 18 fixedly connected with the top of hydraulic rod 17.

[0023] The bottom of automobile engine elbow pipe body 2 is provided with base 1, the adjusting mechanism is arranged on support plate 4, the adjusting mechanism comprises a moving block 14 fixedly connected with the bottom of right support plate 4, the top of base 1 is fixedly connected with a fixed frame 5, a first threaded rod 6 is rotatably connected with the fixed frame 5, a first handle 7 is fixedly connected with the end, away from the fixed frame 5, of the first threaded rod 6, a first protective sleeve is arranged on the outer wall of first handle 7, the material of first protective sleeve is rubber, the comfort can be increased, a sliding block 9 is threadedly connected with the outer wall of first threaded rod 6, a first recess is formed in the top of fixed frame 5, the sliding block 9 is slidably connected with the inner wall of first recess, two first sliding rods 8 are fixedly connected with the fixed frame 5, the two first sliding rods 8 all penetrate through the sliding block 9 and are slidably connected with the sliding block 9, and the Y-axis direction movement of sliding block 9, moving frame 10, moving block 14 and right support plate 4 can be realized by holding first handle 7.

[0024] The top of the sliding block 9 is fixedly connected with a moving frame 10, a second threaded rod 11 in rotation connection with the moving frame 10 is arranged through the moving frame 10, the end, away from the moving frame 10, of the second threaded rod 11 is fixedly connected with a second handle 12, the outer wall of the second handle 12 is provided with a second protective sleeve, the material of the second protective sleeve is silica gel, the comfort can be increased, the second threaded rod 11 penetrates through a moving block 14 and is in screw connection with the moving block 14, the top of the moving frame 10 is provided with a second groove, the moving block 14 is in sliding connection with the inner wall of the second groove, two second sliding rods 13 are fixedly connected with the moving frame 10, the two second sliding rods 13 all penetrate through the moving block 14 and are in sliding connection with the moving block 14, the second handle 12 is held and rotated to drive the second sliding rod 13 and the right supporting plate 4 to move in the X-axis direction.

[0025] By moving the right supporting plate 4 in the X-axis and Y-axis directions, the position of the right supporting plate 4 can be adjusted, and the automobile engine pipe body 2 with different bending radii can be clamped, so that the application range is wide.

[0026] In the utility model, the two ends of the automobile engine pipe body 2 are respectively placed on the top of the two supporting plates 4, the hydraulic rod 17 is started to drive the limiting block 18 to move downwards until the two limiting blocks 18 abut against the inner wall of the automobile engine pipe body 2, the clamping and fixing of the two ends of the automobile engine pipe body 2 are completed, the stability of the automobile engine pipe body 2 during the subsequent welding of the longitudinal weld of the automobile engine pipe body 2 is ensured, and the welding effect is good; when the automobile engine pipe body 2 with different bending radii needs to be clamped, the first handle 7 is held and rotated to drive the first threaded rod 6 to rotate, the sliding block 9, the moving frame 10, the moving block 14 and the right supporting plate 4 move in the Y-axis direction, the second handle 12 is held and rotated to drive the second threaded rod 11 to rotate, the moving block 14 and the right supporting plate 4 move in the X-axis direction, the position of the right supporting plate 4 can be adjusted, the left end of the automobile engine pipe body 2 is placed on the left supporting plate 4, the right end of the automobile engine pipe body 2 with different bending radii is placed on the right supporting plate 4 with adjustable position, the position of the right supporting plate 4 can be adjusted according to the bending radius of the automobile engine pipe body 2, the automobile engine pipe body 2 with different bending radii is limited, and the stability of the automobile engine pipe body 2 during welding is ensured.

Claims

1. An automobile engine elbow longitudinal seam welding fixture comprising a base (1), characterized in that, The upper portion of the base (1) is provided with two support plates (4), and the automobile engine elbow pipe body (2) is placed on the two support plates (4) together, the limit mechanism is arranged on each support plate (4), and the adjusting mechanism is arranged on the right support plate (4). The adjusting mechanism comprises a moving block (14) fixedly connected with the lower portion of the right support plate (4), the top of the base (1) is fixedly connected with a fixed frame (5), a first threaded rod (6) is arranged on the fixed frame (5) and is rotatably connected with the fixed frame (5), the outer wall of the first threaded rod (6) is sleeved with a sliding block (9) which is threadedly connected with the first threaded rod (6), the top of the sliding block (9) is fixedly connected with a moving frame (10), a second threaded rod (11) is arranged on the moving frame (10) and is rotatably connected with the moving frame (10), and the second threaded rod (11) penetrates through the moving block (14) and is threadedly connected with the moving block (14).

2. The welding fixture for longitudinal seam welding of a bend pipe of an automobile engine according to claim 1, characterized by The limit mechanism comprises a fixed block (16) fixedly connected with the side wall of the support plate (4), the top of the fixed block (16) is fixedly connected with a hydraulic rod (17), and the top of the hydraulic rod (17) is fixedly connected with a limit block (18).

3. The automotive engine elbow longitudinal weld seam welding fixture of claim 1, wherein, The top of the base (1) is fixedly connected with a connecting column (3), and the top of the connecting column (3) is fixedly connected with the bottom of the left support plate (4).

4. The automotive engine elbow longitudinal weld seam welding fixture of claim 1, wherein, The top of the fixed frame (5) is provided with a first groove, the sliding block (9) is in sliding connection with the inner wall of the first groove, the top of the moving frame (10) is provided with a second groove, the moving block (14) is in sliding connection with the inner wall of the second groove, two first sliding rods (8) are fixedly connected with the fixed frame (5), the two first sliding rods (8) penetrate through the sliding block (9) and are in sliding connection with the sliding block (9), two second sliding rods (13) are fixedly connected with the moving frame (10), and the two second sliding rods (13) penetrate through the moving block (14) and are in sliding connection with the moving block (14).

5. The automotive engine elbow longitudinal weld seam welding fixture of claim 1, wherein, The first handle (7) is fixedly connected with the end, away from the fixed frame (5), of the first threaded rod (6), the outer wall of the first handle (7) is provided with a first protective sleeve, the material of the first protective sleeve is rubber, the second handle (12) is fixedly connected with the end, away from the moving frame (10), of the second threaded rod (11), and the outer wall of the second handle (12) is provided with a second protective sleeve.

6. The automotive engine elbow longitudinal weld seam welding fixture of claim 1, wherein, The top of the support plate (4) is provided with a sliding groove (15), the outer wall of the automobile engine elbow pipe body (2) is arranged in abutment with the inner wall of the sliding groove (15), and the diameter of the outer wall of the automobile engine elbow pipe body (2) is equal to the diameter of the sliding groove (15).

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