Automobile exhaust pipe welding clamp

Abstract

The utility model discloses an automobile exhaust pipe welding clamp which comprises a rack. The silencer clamping assembly comprises a supporting piece fixed to the rack and a silencer clamping piece located above the supporting piece, and a silencer is arranged between the supporting piece and the silencer clamping piece; the tail pipe abutting assembly is located at the position of the tail pipe, and the tail pipe abutting assembly pushes the tail pipe towards the direction of the silencer; the front exhaust pipe clamping assembly is located at the position of the front exhaust pipe, and the front exhaust pipe clamping assembly is used for limiting the front exhaust pipe; the hanging piece clamping assembly and the flange clamping assembly are used for limiting a hanging piece and a flange respectively; and the connecting plate clamping assembly comprises a base and a driving piece installed on the base, a plug pin piece is pivoted to the base, and the driving piece drives the plug pin piece to turn over and be connected with the connecting plate in an inserted mode.

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 shape of the car exhaust pipe is irregular, and the conventional general fixture has poor stability during clamping, resulting in unsatisfactory welding effect; in addition, the exhaust pipe has many parts, and the welding operation of all parts cannot be completed by single clamping and positioning. Therefore, it is necessary to improve the defects in the prior art. SUMMARY

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

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

[0005] The exhaust pipe comprises a muffler, a tail pipe connected to both ends of the muffler, and a front exhaust pipe, the muffler is provided with a connecting plate on the side surface, and the front exhaust pipe is provided with a hanging piece and a flange;

[0006] The machine frame;

[0007] The muffler clamping assembly comprises a support fixed to the machine frame and a muffler clamping piece located above the support, and the muffler is placed between the support and the muffler clamping piece;

[0008] The tail pipe abutting assembly is located at the tail pipe, and the tail pipe abutting piece pushes the tail pipe towards the muffler;

[0009] The front exhaust pipe clamping assembly is located at the front exhaust pipe, and is used for limiting the front exhaust pipe;

[0010] The hanging piece clamping assembly and the flange clamping assembly are respectively used for limiting the hanging piece and the flange;

[0011] The connecting plate clamping assembly includes a base and a driving member installed on the base, a latch member is pivotally connected to the base, and the driving member drives the latch member to flip and plug into the connecting plate. The utility model limits the muffler, tail pipe, front exhaust pipe, hanging plate, flange and connecting plate at the same time by arranging a muffler clamping assembly, a tail pipe abutment assembly, a front exhaust pipe clamping assembly, a hanging plate clamping assembly, a flange clamping assembly and a connecting plate clamping assembly, and each clamping assembly is designed specifically for the position and angle of the components on the exhaust pipe, so that the clamping effect is stable and the welding quality is improved. The clamp has the advantages of simple structure and strong practicality.

[0012] In a specific embodiment, the support member includes a base fixed to the frame and a support block provided on the top of the base, and the support block is provided with a groove for accommodating the muffler;

[0013] Among them, the silencer clamp includes a first bracket fixed to the frame and a first cylinder installed on the first bracket. The output end of the first cylinder is pivotally connected to a pressure rod. The first cylinder can drive the pressure rod to flip and abut against the outer side surface of the silencer. The silencer is clamped and positioned through the cooperation of the support member and the silencer clamp. The structure is simple and easy to implement.

[0014] In a specific embodiment, the tail pipe grounding assembly includes a second bracket and a second cylinder installed on the second bracket. The output end of the second cylinder is provided with an abutment column. The second cylinder drives the abutment column to move linearly and abut against the tail pipe. The second cylinder drives the abutment column to abut against the tail pipe to achieve the limitation of the tail pipe.

[0015] In a specific embodiment, the front exhaust pipe clamping assembly includes a fixed column and a third cylinder installed on the frame. The output end of the third cylinder is pivotally connected to a pressure arm. The third cylinder can drive the pressure arm to flip. The pressure arm is driven to flip by the third cylinder, and the front exhaust pipe is positioned by the pressure arm. The structure is simple and easy to implement.

[0016] In a specific embodiment, the hanging piece clamping assembly includes a first mounting frame and a hand-push cylinder arranged on the first mounting frame. An extrusion rod is fixed to the output end of the hand-push cylinder, and the end of the extrusion rod abuts against the hanging piece. The extrusion rod is driven by the hand-push cylinder to move and abut against the hanging piece. The structure is simple and the clamping is stable.

[0017] In a specific embodiment, the flange clamping assembly comprises a second mounting frame and a fifth cylinder arranged on the second mounting frame, a limiting plate is arranged on the second mounting frame, a through hole is arranged on the limiting plate, the through hole is used for allowing the front exhaust pipe to pass through, the flange is located on the inner side of the limiting plate, and the output end of the fifth cylinder is provided with a limiting tube, the end of the front exhaust pipe is limited through the limiting tube, and the position of the flange is limited through the limiting plate.

[0018] In a specific embodiment, the plug-in piece comprises a third mounting frame and a plug-in rod which is pivoted to the third mounting frame, a latch is arranged on the end of the plug-in rod, the driving piece is used for overturning the plug-in rod, the plug-in rod is overturned through the driving piece, the pin hole of the connecting plate is matched, and the positioning effect is stable.

[0019] Beneficial effects: the muffler, the tail pipe, the front exhaust pipe, the hanging piece, the flange and the connecting plate are simultaneously limited through the setting of the muffler clamping assembly, the tail pipe abutting assembly, the front exhaust pipe clamping assembly, the hanging piece clamping assembly, the flange clamping assembly and the connecting plate clamping assembly, each clamping assembly is designed in view of the position and angle of the parts on the exhaust pipe, the clamping effect is stable, the welding quality is improved, and the clamp has the advantages of simple structure and high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a whole structure schematic view of the automobile exhaust pipe welding clamp of the embodiment, and

[0021] Figure 2 is a structure schematic view of the exhaust pipe,

[0022] Figure 3 is a structure schematic view of the muffler clamping assembly,

[0023] Figure 4 is a structure schematic view of the tail pipe clamping assembly,

[0024] Figure 5 is a structure schematic view of the hanging piece clamping assembly,

[0025] Figure 6 is a structure schematic view of the flange clamping assembly,

[0026] Figure 7 is a structure schematic view of the front exhaust pipe clamping assembly,

[0027] Figure 8 is a structure schematic view of the connecting plate clamping assembly.

[0028] In the figure: 100, welding fixture; 1, rack; 2, muffler clamping assembly; 20, first support; 21, first air cylinder; 22, pressing rod; 23, base; 24, supporting block; 25, groove; 3, front exhaust pipe clamping assembly; 30, third air cylinder; 31, pressing arm; 4, hanging piece clamping assembly; 40, first mounting frame; 41, hand-pushing air cylinder; 42, extruding rod; 5, flange clamping assembly; 50, second mounting frame; 51, limiting plate; 52, limiting pipe; 53, fifth air cylinder; 6, tail pipe clamping assembly; 60, second support; 61, second air cylinder; 62, abutting column; 7, connecting plate abutting assembly; 70, third mounting frame; 71, plug-in rod; 72, driving piece; 8, exhaust pipe; 80, tail pipe; 81, muffler; 82, connecting plate; 83, hanging piece; 84, flange. DETAILED DESCRIPTION

[0029] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations 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 only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0030] In the description of the present application, it should be understood that the orientations or positional relationships 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 orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0031] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Embodiment

[0033] Reference Figures 1-8The automobile exhaust pipe welding clamp 100 of the embodiment comprises an exhaust pipe 8, the exhaust pipe 8 comprises a muffler 81 and tail pipes 80 and a front exhaust pipe connected to both ends of the muffler 81, a connecting plate 82 is arranged on the side of the muffler 81, and a lug 83 and a flange 84 are arranged on the front exhaust pipe; a rack 1; a muffler clamping assembly 2, the muffler clamping assembly 2 comprises a support fixed to the rack 1 and a muffler clamping piece above the support, the muffler is arranged between the support and the muffler clamping piece; a tail pipe abutting assembly 6, the tail pipe abutting assembly 6 is arranged at the tail pipe, and the tail pipe abutting piece pushes the tail pipe towards the muffler; a front exhaust pipe clamping assembly 3, the front exhaust pipe clamping assembly 3 is arranged at the front exhaust pipe and is used for limiting the front exhaust pipe; a lug clamping assembly 4 and a flange clamping assembly 5, the lug clamping assembly 4 and the flange clamping assembly 5 are respectively used for limiting the lug and the flange; and a connecting plate clamping assembly 7, the connecting plate clamping assembly 7 comprises a base and a driving piece 72 mounted on the base, a bolt piece is pivotally connected to the base, and the driving piece 72 drives the bolt piece to overturn and is inserted with the connecting plate, the muffler clamping assembly 2, the tail pipe abutting assembly 6, the front exhaust pipe clamping assembly 3, the lug clamping assembly 4, the flange clamping assembly 5 and the connecting plate clamping assembly 7 are arranged to simultaneously limit the muffler, the tail pipe, the front exhaust pipe, the lug, the flange and the connecting plate, and each clamping assembly is designed in view of the position and angle of the parts on the exhaust pipe, so that the clamping effect is stable, the welding quality is improved, and the clamp has the advantages of simple structure and high practicability.

[0034] Referring to Figure 3 , the support comprises a base 23 fixed to the rack 1 and a support block 24 arranged on the top of the base 23, and a groove 25 capable of accommodating the muffler is formed in the support block 24; the muffler clamping piece comprises a first support 20 fixed to the rack 1 and a first air cylinder 21 mounted on the first support 20, a pressing rod 22 is pivotally connected to the output end of the first air cylinder 21, and the first air cylinder 21 can drive the pressing rod 22 to overturn and abut against the outer side of the muffler, so that the muffler is clamped and positioned through the cooperation of the support and the muffler clamping piece, and the structure is simple and easy to realize.

[0035] Referring to Figure 4 , the tail pipe abutting assembly comprises a second support 60 and a second air cylinder 61 mounted on the second support 60, an abutting column 62 is arranged on the output end of the second air cylinder 61, and the second air cylinder 61 drives the abutting column 62 to move linearly and abut against the tail pipe, so that the tail pipe is limited through the abutting of the abutting column 62 and the tail pipe driven by the second air cylinder 61.

[0036] See Figure 7 The front exhaust pipe clamping assembly 3 comprises a fixed column installed on the rack 1 and a third cylinder 30, the output end of the third cylinder 30 is pivoted with a pressing arm 31, the third cylinder 30 can drive the pressing arm 31 to overturn, the front exhaust pipe is positioned by the pressing arm 31 through the overturning of the pressing arm 31 driven by the third cylinder 30, and the structure is simple and easy to realize.

[0037] See Figure 5 The hanging piece clamping assembly 4 comprises a first mounting frame 40 and a push cylinder 41 arranged on the first mounting frame 40, the output end of the push cylinder 41 is fixed with a pressing rod 42, the end of the pressing rod 42 is in abutment with the hanging piece, the structure is simple, and the clamping is stable.

[0038] See Figure 6 The flange clamping assembly 5 comprises a second mounting frame 50 and a fifth cylinder 53 arranged on the second mounting frame 50, the second mounting frame 50 is provided with a limiting plate 51, the limiting plate 51 is provided with a through hole through which the front exhaust pipe passes, the flange is located on the inner side of the limiting plate 51, the output end of the fifth cylinder 53 is provided with a limiting tube 52, the end of the front exhaust pipe is limited by the limiting tube 52, and the position of the flange is limited by the limiting plate 51.

[0039] See Figure 8 The plug-in piece comprises a third mounting frame 70 and a plug-in rod 71 pivoted with the third mounting frame 70, the end of the plug-in rod 71 is provided with a plug pin, the driving piece 72 is used for overturning the plug-in rod 71, the plug-in rod 71 is overturned by the driving piece 72, the pin hole of the connecting plate is matched, and the positioning effect is stable.

[0040] The above is only a specific embodiment 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 in 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: An exhaust pipe, comprising a muffler, a tail pipe connected to both ends of the muffler, and a front exhaust pipe, wherein a connecting plate is provided on the side of the muffler, and a hanging plate and a flange are provided on the front exhaust pipe; frame; A muffler clamping assembly, the muffler clamping assembly comprising a support member fixed to the frame and a muffler clamping member located above the support member, the muffler being placed between the support member and the muffler clamping member; A tail pipe abutment assembly, the tail pipe abutment assembly being located at the tail pipe, and the tail pipe abutment member pushing the tail pipe toward the muffler; A front exhaust pipe clamping assembly, the front exhaust pipe clamping assembly is located at the front exhaust pipe and is used to limit the position of the front exhaust pipe; A hanging piece clamping assembly and a flange clamping assembly, the hanging piece clamping assembly and the flange clamping assembly are used to limit the hanging piece and the flange respectively; The connecting plate clamping assembly includes a base and a driving member installed on the base. A latch member is pivotally connected to the base, and the driving member drives the latch member to flip and plug into the connecting plate.

2. The automobile exhaust pipe welding fixture according to claim 1, characterized in that: in, The support member includes a base fixed to the frame and a support block provided on the top of the base, wherein the support block is provided with a groove capable of accommodating the muffler; The muffler clamp includes a first bracket fixed to the frame and a first cylinder installed on the first bracket. The output end of the first cylinder is pivotally connected to a pressure rod, and the first cylinder can drive the pressure rod to flip and abut against the outer side of the muffler.

3. The automobile exhaust pipe welding fixture according to claim 1, characterized in that: The tail pipe abutment assembly includes a second bracket and a second cylinder mounted on the second bracket. An abutment column is provided at the output end of the second cylinder. The second cylinder drives the abutment column to move linearly and abut against the tail pipe.

4. The automobile exhaust pipe welding fixture according to claim 1, characterized in that: The front exhaust pipe clamping assembly includes a fixing column and a third cylinder installed on the frame. The output end of the third cylinder is pivotally connected to a pressure arm, and the third cylinder can drive the pressure arm to flip.

5. The automobile exhaust pipe welding fixture according to claim 1, characterized in that: The hanging piece clamping assembly includes a first mounting frame and a hand-push cylinder arranged on the first mounting frame. An extrusion rod is fixed to the output end of the hand-push cylinder, and the end of the extrusion rod abuts against the hanging piece.

6. The automobile exhaust pipe welding fixture according to claim 1, characterized in that: The flange clamping assembly includes a second mounting frame and a fifth cylinder arranged on the second mounting frame. The second mounting frame is provided with a limiting plate. The limiting plate is provided with a through hole for the front exhaust pipe to pass through. The flange is located on the inner side of the limiting plate. The output end of the fifth cylinder is provided with a limiting tube.

7. The automobile exhaust pipe welding fixture according to claim 1, characterized in that: The latch member includes a third mounting frame and a plug rod pivotally connected to the third mounting frame. A latch is provided at the end of the plug rod, and the driving member is used to flip the plug rod.

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