Automobile exhaust pipe welding clamp

Abstract

The automobile exhaust pipe welding clamp comprises an exhaust pipe, an air outlet pipe, a front silencer and a rear silencer, the air outlet pipe, the front silencer and the rear silencer are sequentially welded, a hook connected with an automobile body is arranged on the air outlet pipe, and a first flange and a second flange are welded to the end of the air outlet pipe and the end of the rear silencer. A base; the flange limiting assembly comprises a front flange limiting piece and a rear flange limiting piece, and the front flange limiting piece and the rear flange limiting piece are used for limiting the first flange and the second flange; the front silencer limiting assembly is installed on the base, and a front silencer is wrapped in the front silencer limiting assembly; the rear silencer limiting assembly is installed on the base and used for clamping a rear silencer; the hook limiting assembly is installed on the base, the hook limiting assembly is located below the hook, the hook limiting assembly is used for limiting the hook, and the welding clamp is high in positioning accuracy and stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to a car exhaust pipe, concretely relates to a car exhaust pipe welding fixture. BACKGROUND

[0002] The car exhaust pipe is welded by a plurality of components, and has the characteristics of irregular shape and large size. The existing welding fixture has the defects of complex structure, low positioning precision and stability when positioning the exhaust pipe. Therefore, it is necessary to improve the defects of the prior art. SUMMARY

[0003] The present application aims to solve the problems mentioned in the background.

[0004] The utility model relates to a car exhaust pipe welding fixture, which comprises:

[0005] The exhaust pipe comprises a gas outlet pipe, a front muffler and a rear muffler welded in sequence, the gas outlet pipe is provided with a hook connected with the vehicle body, and the gas outlet pipe and the end of the rear muffler are welded with a first flange and a second flange;

[0006] A base;

[0007] A flange limiting assembly, the flange limiting assembly comprises a front flange limiting piece and a rear flange limiting piece, and the front flange limiting piece and the rear flange limiting piece are used for limiting the first flange and the second flange;

[0008] A front muffler limiting assembly mounted on the base, the front muffler limiting assembly covers the front muffler;

[0009] A rear muffler limiting assembly mounted on the base, the rear muffler limiting assembly is used for clamping the rear muffler;

[0010] A hook limiting assembly mounted on the base, the hook limiting assembly is located below the hook, and the hook limiting assembly is used for limiting the hook, the first flange and the second flange are limited by the flange limiting assembly, the front muffler is covered in the front muffler limiting assembly for limiting, the rear muffler is limited by the rear muffler assembly, and finally the hook is limited by the hook limiting assembly, so that each component is limited respectively, the positioning precision and stability are high, and the structure is stable.

[0011] In a specific embodiment, the front flange limiting piece comprises a first mounting seat and a first cylinder arranged on the first mounting seat, the output end of the first cylinder is provided with a sliding piece, the end of the sliding piece is provided with an abutting plate, the abutting plate is provided with a second cylinder, the output end of the second cylinder is provided with a buckle, the side surface of the first flange is abutted by the abutting plate and the first cylinder, and then the first flange is fixed by the buckle driven by the second cylinder, so that the structure is simple, and the positioning effect is stable.

[0012] In a specific embodiment, the rear flange limiting piece comprises a second mounting seat and a limiting plate arranged on the second mounting seat, the limiting plate is provided with a bolt matched with the second flange pin hole, the limiting of the second flange is realized through the cooperation of the pin hole, and the structure is simple and convenient to assemble.

[0013] In a specific embodiment, the front muffler limiting assembly comprises a third mounting seat and a lower cavity arranged on the third mounting seat, the lower cavity is fixed with a third cylinder, the output end of the third cylinder is provided with an upper cavity, and the front muffler is located between the upper cavity and the lower cavity, so that the front muffler is clamped by the upper cavity and the lower cavity, and the clamping effect is good.

[0014] In a specific embodiment, the rear muffler limiting assembly comprises a mounting column fixed to the base and a supporting piece arranged on the mounting column and a turnover cylinder arranged on the supporting piece, the output end of the turnover cylinder is provided with a pressing arm, the rear muffler is located between the supporting piece and the pressing arm, the pressing arm is turned over by the turnover cylinder, the rear muffler is clamped and positioned, the structure is simple, and the stability is high.

[0015] In a specific embodiment, the hook limiting assembly comprises a fourth mounting seat fixed to the base and an upper limiting block arranged on the fourth mounting seat, the fourth mounting seat is provided with a fourth cylinder, the output end of the fourth cylinder is provided with a lower limiting block, the upper limiting block and the lower limiting block are provided with grooves capable of accommodating the hook, and the hook is limited by the grooves on the upper limiting block and the lower limiting block, so that the limiting effect is good, and the structure is simple.

[0016] Beneficial effects: the first flange and the second flange are limited by the flange limiting assembly, the front muffler is limited by being clamped in the front muffler limiting assembly, the rear muffler is limited by the rear muffler limiting assembly, and finally the hook is limited by the hook limiting assembly, so that each component is limited respectively, the positioning precision and stability are high, and the structure is stable. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the automobile exhaust pipe welding clamp of the embodiment;

[0018] Figure 2 is a structural schematic view of the exhaust pipe;

[0019] Figure 3 is a structural schematic view of the front flange limiting piece;

[0020] Figure 4 is a structural schematic view of the rear flange limiting piece;

[0021] Figure 5 is a structural schematic view of the front muffler limiting assembly;

[0022] Figure 6 is a structural schematic view of the rear muffler limiting assembly;

[0023] Figure 7 is a structural schematic view of the hook limiting assembly.

[0024] In the figure: 100, clamp; 1, exhaust pipe; 10, first flange; 11, hook; 12, front muffler; 13, rear muffler; 14, second flange; 2, front flange limiting piece; 20, first mounting seat; 21, first air cylinder; 22, sliding piece; 23, buckle; 24, second air cylinder; 3, rear muffler limiting assembly; 30, mounting column; 31, turnover air cylinder; 32, pressing arm; 33, support piece; 4, rear flange limiting piece; 40, second mounting seat; 41, limiting plate; 42, bolt; 5, hook limiting assembly; 50, fourth mounting seat; 51, lower limiting block; 52, upper limiting block; 53, fourth air cylinder; 6, front muffler limiting assembly; 60, third mounting seat; 61, third air cylinder; 62, upper cavity; 63, lower cavity. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0026] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "counterclockwise", "clockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0027] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0028] Embodiment

[0029] Referring to Figures 1-7 , the automobile exhaust pipe 1 welding clamp 100 of the embodiment comprises an exhaust pipe 1, which comprises an exhaust pipe, a front muffler 12 and a rear muffler 13 welded in sequence, the exhaust pipe is provided with a hook 11 connected with the vehicle body, the end of the exhaust pipe and the rear muffler 13 is welded with a first flange 10 and a second flange 14, a base, a flange limiting assembly, the flange limiting assembly comprises a front flange limiting piece 2 and a rear flange limiting piece, the front flange limiting piece 2 and the rear flange limiting piece are used for limiting the first flange 10 and the second flange 14, a front muffler limiting assembly 6 mounted on the base, the front muffler limiting assembly 6 covers the front muffler 12, a rear muffler limiting assembly 3 mounted on the base, the rear muffler limiting assembly 3 is used for clamping the rear muffler 13, a hook limiting assembly 5 mounted on the base, the hook limiting assembly 5 is located below the hook 11, and the hook limiting assembly 5 is used for limiting the hook 11, the utility model limits the first flange 10 and the second flange 14 by arranging the flange limiting assembly, limits the front muffler 12 by arranging the front muffler limiting assembly, limits the rear muffler 13 by arranging the rear muffler limiting assembly, and finally limits the hook 11 by arranging the hook limiting assembly, so that each component is limited respectively, the positioning precision and stability are high, and the structure is stable.

[0030] Referring to Figure 3 , the front flange limiting piece 2 comprises a first mounting seat 20 and a first cylinder 21 arranged on the first mounting seat 20, the output end of the first cylinder 21 is provided with a sliding piece 22, the end of the sliding piece 22 is provided with an abutting plate, the abutting plate is provided with a second cylinder 24, the output end of the second cylinder 24 is provided with a buckle 23, the side surface of the first flange 10 is abutted by the abutting plate driven by the first cylinder 21, and then the first flange 10 is fixed by the buckle 23 driven by the second cylinder 24, so that the structure is simple, and the positioning effect is stable.

[0031] Referring to Figure 4 , the rear flange limiting piece 4 comprises a second mounting seat 40 and a limiting plate 41 arranged on the second mounting seat 40, the limiting plate 41 is provided with a bolt 42 matched with the pin hole of the second flange 14, the limiting of the second flange 14 is realized through the pin hole cooperation, and the structure is simple and convenient to assemble.

[0032] Referring to Figure 5 , the front muffler limiting assembly 6 comprises a third mounting seat 60 and a lower cavity 63 arranged on the third mounting seat 60, the lower cavity 63 is fixed with a third cylinder 61, the output end of the third cylinder 61 is provided with an upper cavity 62, and the front muffler 12 is located between the upper cavity 62 and the lower cavity 63, the front muffler 12 is cladded by the upper cavity 62 and the lower cavity 63, and the clamping effect is good.

[0033] Referring to Figure 6 , the rear muffler limiting assembly 3 comprises a mounting column 30 fixed to the base and a support 33 arranged on the mounting column 30 and a turnover cylinder 31 arranged on the support 33, the output end of the turnover cylinder 31 is provided with a pressing arm 32, the rear muffler 13 is located between the support 33 and the pressing arm 32, the pressing arm 32 is turned over by the turnover cylinder 31, the rear muffler 13 is clamped and positioned, the structure is simple, and the stability is high.

[0034] Referring to Figure 7 , the hook limiting assembly 5 comprises a fourth mounting seat 50 fixed to the base and an upper limiting block 52 arranged on the fourth mounting seat 50, the fourth mounting seat 50 is provided with a fourth cylinder 53, the output end of the fourth cylinder 53 is provided with a lower limiting block 51, the upper limiting block 52 and the lower limiting block 51 are provided with recesses capable of accommodating the hook 11, the hook 11 is limited by the recesses on the upper limiting block 52 and the lower limiting block 51, the limiting effect is good, and the structure is simple.

[0035] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any change or replacement within the technical scope disclosed by the present application should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A welding fixture for automobile exhaust pipe, characterized in that: include: The exhaust pipe includes an outlet pipe, a front muffler and a rear muffler welded in sequence, the outlet pipe is provided with a hook connected to the vehicle body, and the ends of the outlet pipe and the rear muffler are welded with a first flange and a second flange; base; A flange limiting assembly, comprising a front flange limiting member and a rear flange limiting member, wherein the front flange limiting member and the rear flange limiting member are used to limit the first flange and the second flange; A front muffler limiting assembly is mounted on the base, wherein the front muffler limiting assembly covers the front muffler therein; A rear muffler limiting assembly mounted on the base, the rear muffler limiting assembly being used to clamp the rear muffler; A hook limiting component is installed on the base, and the hook limiting component is located below the hook, and the hook limiting component is used to limit the hook.

2. The automobile exhaust pipe welding fixture according to claim 1, characterized in that: The front flange limiter includes a first mounting seat and a first cylinder arranged on the first mounting seat, a sliding member is provided at the output end of the first cylinder, an abutment plate is provided at the end of the sliding member, a second cylinder is provided on the abutment plate, and a snap is provided at the output end of the second cylinder.

3. The automobile exhaust pipe welding fixture according to claim 2, characterized in that: The rear flange limiting member includes a second mounting seat and a limiting plate arranged on the second mounting seat, and the limiting plate is provided with a pin that matches the second flange pin hole.

4. The automobile exhaust pipe welding fixture according to claim 1, characterized in that: The front muffler limiting assembly includes a third mounting seat and a lower cavity provided on the third mounting seat, a third cylinder is fixed on the lower cavity, an upper cavity is provided at the output end of the third cylinder, and the front muffler is located between the upper cavity and the lower cavity.

5. The automobile exhaust pipe welding fixture according to claim 4, characterized in that: The rear muffler limiting assembly includes a mounting column fixed to the base, a support member provided on the mounting column, and a flip cylinder provided on the support member. A pressure arm is provided at the output end of the flip cylinder, and the rear muffler is located between the support member and the pressure arm.

6. The automobile exhaust pipe welding fixture according to claim 5, characterized in that: The hook limit assembly includes a fourth mounting seat fixed to the base and an upper limit block provided on the fourth mounting seat, a fourth cylinder is provided on the fourth mounting seat, a lower limit block is provided at the output end of the fourth cylinder, and grooves for accommodating the hook are provided on the upper limit block and the lower limit block.

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