Exhaust pipe welding clamp

Abstract

The utility model discloses an exhaust pipe welding clamp which comprises a frame body, a plurality of threaded openings are formed in the upper surface of the frame body, a base is arranged on the upper surface of the frame body, a three-jaw chuck is fixedly connected to one side of the base, two screws are connected to the bottom of the base in an inserted mode, and the screws are in threaded connection with the threaded openings in the corresponding positions. A fixing column is fixedly connected to the upper surface of the frame body, a rotating frame is movably connected to the outer side of the fixing column, an arc-shaped guide rail is fixedly connected to the upper surface of the frame body, a sliding groove is formed in the inner side of the arc-shaped guide rail, the rotating frame is slidably connected with the sliding groove, and two H-shaped rods are fixedly connected to the upper surface of the rotating frame. And two sliding frames are movably connected between the two H-shaped rods. According to the exhaust pipe clamping device, the angle of the clamped exhaust pipe can be adjusted and fixed, a worker can conduct stable butt joint on the two exhaust pipes conveniently according to requirements, and the exhaust pipe clamping device can be suitable for exhaust pipes with different lengths.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust pipe welding technical field especially relates to an exhaust pipe welding fixture. BACKGROUND

[0002] In order to guarantee the stability of exhaust pipe welding, usually need to clamp the exhaust pipe, then utilize the welding machine to align the welding point and carry out welding, and the welding fixture plays the role of positioning and fixing during the welding process.

[0003] But the butt joint position of some exhaust pipes is curved, and some need to carry out angle butt joint to the exhaust pipe, at this time, usually adopt the mode of handheld pipe to carry out welding, and this can influence the stability of exhaust pipe during welding, causes the uneven welding. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcoming in prior art and provides an exhaust pipe welding fixture.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] An exhaust pipe welding fixture, including the frame body, the upper surface of frame body is equipped with a plurality of silk mouth, the upper surface of frame body is equipped with the base, and one side of base is fixedly connected with three jaw chuck, the bottom of base is inserted with two screws, and the screw is screwed with the silk mouth of its corresponding position, the upper surface of frame body is fixedly connected with fixed column, and the outer side of fixed column is movably connected with rotating stand, the upper surface of frame body is fixedly connected with arc rail, and the inner side of arc rail is equipped with sliding slot, and rotating stand and sliding slot are slidably connected, the upper surface of rotating stand is fixedly connected with two H type rods, two H type rods movably connect two sliding frames between them, and two sliding frames movably connect bidirectional screw rod inside them, the top of sliding frame is fixedly connected with two V type clamping blocks, and one side of rotating stand is equipped with the bolt assembly that limits its position.

[0007] As the further scheme of the utility model, the bolt assembly includes a plurality of insertion holes, and the insertion holes are arranged on one side of the arc rail, the outer wall of one side of the rotating stand is fixedly connected with two fixed blocks, the two fixed blocks are fixedly connected with a guide frame, and the two sides of the guide frame are movably connected with clamping frames, and the clamping frames are inserted into the insertion holes.

[0008] As the further scheme of the utility model, springs are sleeved on the two sides of the guide frame, and the two ends of the springs are fixed to the guide frame and the clamping frame respectively.

[0009] As the further scheme of the utility model, a rubber pad is arranged on one side of the V type clamping block.

[0010] As a further scheme of the utility model, the bottom of the rotating frame is fixedly connected with a plurality of supporting ribs.

[0011] As a further scheme of the utility model, one end of the bidirectional screw rod passes through the sliding frame and is fixedly connected with a knob.

[0012] The utility model discloses the beneficial effects are:

[0013] 1. In the utility model, the angle of the exhaust pipe being clamped is adjusted and fixed through the cooperation of the arc-shaped guide rail and the rotating frame, so that two exhaust pipes can be stably butt-jointed according to requirements, the subsequent stable welding is facilitated, the uneven welding caused by the handheld exhaust pipe welding mode is avoided, and the use effect of the device is improved.

[0014] 2. In the utility model, the position of the three-jaw chuck is adjusted and fixed through the cooperation of the base and the screw port, so that the device can be applied to exhaust pipes of different lengths, and the flexibility of the device is improved.

[0015] 3. In the utility model, the position of the rotating frame after rotating along the arc-shaped guide rail is fixed through the setting of the bolt assembly, the position of the rotating frame can be quickly adjusted by the staff, and the convenience of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a front side three-dimensional structure schematic view of the exhaust pipe welding fixture proposed in the utility model;

[0017] Fig. 2 It is a partial enlarged structure schematic view of the exhaust pipe welding fixture proposed in the utility model;

[0018] Fig. 3 It is a guide frame enlarged structure schematic view of the exhaust pipe welding fixture proposed in the utility model.

[0019] In the drawing: 1, frame body; 2, base; 3, three-jaw chuck; 4, screw; 5, screw port; 6, fixed column; 7, rotating frame; 8, arc-shaped guide rail; 9, supporting rib; 10, H-shaped rod; 11, sliding groove; 12, V-shaped clamping block; 13, sliding frame; 14, bidirectional screw rod; 15, clamping frame; 16, spring; 17, guide frame; 18, fixed block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Referring to Figs. 1-3 The utility model discloses a welding fixture for exhaust pipe, including the frame body 1, the upper surface of frame body 1 is equipped with the base 2, the side of base 2 is fixed with three jaw chuck 3 through bolt, use three jaw chuck 3 to make the one end of an exhaust pipe get clamped fixed, the bottom of base 2 is inserted with two screws 4, and the screw 4 is screwed with the corresponding position of the silk mouth 5, when needing to adjust the position of three jaw chuck 3, remove the screw 4 from the silk mouth 5, then push the base 2, make it along frame body 1 move to the position needed, then the screw 4 is inserted into the corresponding position of the silk mouth 5 and is fixed, further make the device can apply to different length exhaust pipe, the upper surface of frame body 1 is fixed with fixed column 6 through bolt, the outside of fixed column 6 is rotatably connected with rotating frame 7, the upper surface of frame body 1 is fixed with arc guide 8 through bolt, the inside of arc guide 8 is equipped with sliding slot 11, and rotating frame 7 is slidably connected with sliding slot 11, the upper surface of rotating frame 7 is fixed with two H type rods 10 through bolt, two H type rods 10 are slidably connected with two sliding frames 13, the inside between two sliding frames 13 is threadedly connected with two-way screw rod 14, the top of sliding frame 13 is fixed with two V type clamping blocks 12 through bolt, the side of rotating frame 7 is equipped with the bolt assembly of limiting its position, rotating two-way screw rod 14, make it drive sliding frame 13 respectively towards the middle and move, further make V type clamping block 12 clamp this exhaust pipe, then push rotating frame 7, make it along the sliding slot 11 on arc guide 8 rotate to the angle needed, the connecting end of two exhaust pipes is docked at this moment, then through the bolt assembly make the position of the moving rotating frame 7 be fixed, further make the butt joint angle of this exhaust pipe be adjusted and fixed, convenient for staff to weld two exhaust pipes.

[0022] In the utility model, it should be pointed out that the bolt assembly includes a plurality of insertion holes, the insertion holes are arranged on one side of the arc guide 8, the outer wall of one side of the rotating frame 7 is fixed with two fixed blocks 18 through bolts, the two fixed blocks 18 are fixed with a guide frame 17 through bolts, the two sides of the guide frame 17 are slidably connected with clamping frames 15, the guide frame 17 can guide the clamping frames 15 to move stably, the clamping frames 15 are inserted into the insertion holes, the two sides of the guide frame 17 are sleeved with springs 16, and the two ends of the springs 16 are fixed with the guide frame 17 and the clamping frames 15 respectively, the springs 16 facilitate the automatic reset of the clamping frames 15, one side of the V type clamping block 12 is provided with a rubber pad, the rubber pad can protect the exhaust pipe from being directly contacted with the V type clamping block 12 to avoid abrasion, the bottom of the rotating frame 7 is fixed with a plurality of supporting ribs 9 through bolts, the supporting ribs 9 can reinforce the rotating frame 7, so that the rotating frame 7 is more stable, one end of the two-way screw rod 14 penetrates through the sliding frame 13 and is fixed with a knob through bolts, so that the staff can rotate the two-way screw rod 14.

[0023] The utility model discloses a working principle: when needing to clamp exhaust pipe, first use three jaw chuck 3 to make one end of an exhaust pipe get clamped fixed, then place another exhaust pipe between two carriages 13 on rotating frame 7, then rotate knob, make bidirectional screw rod 14 drive carriage 13 respectively move to the middle, further make V type clamping block 12 clamp this exhaust pipe, then pull card frame 15, make it separate with jack, and spring 16 contracts, then push rotating frame 7, make it rotate to the angle of demand along the sliding slot 11 on arc guide rail 8, the connecting end of two exhaust pipes is butted in place at this time, then loosen card frame 15, spring 16 rebounds and extends, to make card frame 15 insert into the jack in the corresponding position, further make the butt joint angle of this exhaust pipe get adjusted and fixed, and it is convenient for staff to weld two exhaust pipes, when needing to adjust the position of three jaw chuck 3, remove screw 4 from silk mouth 5, then push base 2, make it move along the frame body 1 to the position of demand, then insert screw 4 into the jack in the corresponding position again to realize fixed, further make the device can be applicable to different length exhaust pipe.

[0024] In addition, the terms "mount", "set", "connect", "socket" should be broadly understood. For example, it can be fixed connection, detachable connection, or integral structure, it can be mechanical connection or electrical connection, it can be directly connected, or indirectly connected through intermediate media, or internal communication between two devices, elements or components. The specific meaning of the above terms in the application can be understood by the person skilled in the art according to the specific circumstances.

Claims

1. An exhaust pipe welding jig comprising a frame (1), characterized in that, The upper surface of the frame body (1) is provided with a plurality of wire holes (5), the upper surface of the frame body (1) is provided with a base (2), one side of the base (2) is fixedly connected with a three-jaw chuck (3), the bottom of the base (2) is inserted with two screws (4), and the screw (4) is screwed with the wire hole (5) at the corresponding position, the upper surface of the frame body (1) is fixedly connected with a fixed column (6), the outer side of the fixed column (6) is movably connected with a rotating frame (7), the upper surface of the frame body (1) is fixedly connected with an arc-shaped guide rail (8), the inner side of the arc-shaped guide rail (8) is provided with a sliding groove (11), and the rotating frame (7) is slidably connected with the sliding groove (11), the upper surface of the rotating frame (7) is fixedly connected with two H-shaped rods (10), two sliding frames (13) are movably connected between the two H-shaped rods (10), a bidirectional screw rod (14) is movably connected in the two sliding frames (13), the top of the sliding frame (13) is fixedly connected with two V-shaped clamping blocks (12), one side of the rotating frame (7) is provided with a bolt assembly for limiting the position.

2. An exhaust pipe welding fixture according to claim 1, wherein The bolt assembly comprises a plurality of insertion holes, and the insertion holes are formed in one side of the arc-shaped guide rail (8), one side of the rotating frame (7) is fixedly connected with two fixed blocks (18), the two fixed blocks (18) are fixedly connected with a guide frame (17), and the two sides of the guide frame (17) are movably connected with clamping frames (15), and the clamping frames (15) are inserted with the insertion holes.

3. An exhaust pipe welding fixture according to claim 2, wherein The two sides of the guide frame (17) are sleeved with springs (16), and the two ends of the spring (16) are fixedly connected with the guide frame (17) and the clamping frame (15) respectively.

4. The exhaust pipe welding fixture of claim 1, wherein One side of the V-shaped clamping block (12) is provided with a rubber pad.

5. The exhaust pipe welding fixture of claim 1, wherein The bottom of the rotating frame (7) is fixedly connected with a plurality of supporting ribs (9).

6. The exhaust pipe welding fixture of claim 1, wherein One end of the bidirectional screw rod (14) penetrates through the sliding frame (13) and is fixedly connected with a knob.

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