Anti-deviation welding clamp

Abstract

The utility model relates to the field of machinery, in particular to a welding tool, in particular to a welding deviation prevention clamp which comprises a bottom plate, two first guide sleeves are oppositely arranged on the left side and the right side of the front end of the upper side face of the bottom plate, and two second guide sleeves are oppositely arranged on the left side and the right side of the rear end of the upper side face of the bottom plate. The first guide sleeve and the second guide sleeve are both provided with guide holes in the horizontal direction, positioning pins are arranged in the guide holes in a sleeved mode, and positioning side plates are fixedly arranged on the left side and the right side of the middle of the upper side face of the bottom plate. Positioning holes or auxiliary holes in the front end and the rear end of a workpiece can be effectively limited through the guide sleeves and the positioning pins, meanwhile, the positioning side plates are arranged to limit the side faces of the workpiece, and deformation of the workpiece during welding can be effectively prevented; and the device can be used during heat treatment to prevent deformation of workpieces during heat treatment.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical field especially, relates to welding frock, and particularly is a kind of welding anti-deviation clamp. BACKGROUND

[0002] In prior art, welding clamp is generally clamped after positioning welding part by quick clamp, and part can be better positioned at the compression point of quick clamp, but deformation and overall deviation can occur in the part not compressed by quick clamp.If workpiece needs to be heat treated after welding, the rubber compression head and handle part of quick clamp cannot withstand the high temperature of heat treatment, and the deformation of the part after heat treatment cannot be effectively controlled. SUMMARY

[0003] The utility model discloses a kind of welding anti-deviation clamps, and the welding anti-deviation clamp described herein solves the problems that welding part deformation deviation is large in prior art, and clamp cannot be used for heat treatment.

[0004] The welding anti-deviation clamp of the utility model, including bottom plate, the upper side of the bottom plate The left and right sides of the front end of the upper side of the bottom plate are oppositely provided with two first guide sleeves, the left and right sides of the rear end of the upper side of the bottom plate are oppositely provided with two second guide sleeves, the first guide sleeve and the second guide sleeve are provided with guide hole in horizontal direction, the guide hole is provided with positioning pin, the left and right sides of the middle of the upper side of the bottom plate are fixedly provided with positioning side plate.

[0005] Further, the side of the positioning pin is provided with a limiting block, and the other side is provided with a pin hole, and a limiting pin is inserted in the pin hole.

[0006] Further, the first guide sleeve and the second guide sleeve are horizontally arranged cylindrical structures, and the guide hole is concentric with the outer circle of the cylindrical structure.

[0007] Further, the first guide sleeve and the second guide sleeve are fixedly connected with the supporting structure below, and the supporting structure is fixedly installed on the bottom plate.

[0008] Further, the supporting structure is a rectangular tube.

[0009] Further, a reinforcing rib is arranged between the side of the positioning side plate and the bottom plate.

[0010] Further, the left and right sides of the middle of the bottom plate are respectively provided with supporting blocks, and the upper sides of the two supporting blocks are fixedly provided with opposite supporting pieces, the supporting piece is provided with a through hole, and a supporting pin is inserted in the through hole.

[0011] The utility model discloses a kind of welding anti-deviation clamps, including bottom plate 1, the upper side of the bottom plate 1 is provided with two first guide sleeves 2 on the left and right sides of the front end, the upper side of the bottom plate 1 is provided with two second guide sleeves 3 on the left and right sides of the rear end, the first guide sleeve 2 and the second guide sleeve 3 are provided with the guide hole 4 of horizontal direction, the guide hole 4 is provided with the positioning pin 5, the upper side of the bottom plate 1 is fixedly provided with the positioning side plate 7 on the left and right sides of the middle. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the schematic diagram of the utility model.

[0013] Fig. 2 It is the schematic diagram of the positioning pin of the utility model.

[0014] Fig. 3 It is the use schematic diagram of the utility model.

[0015] Among them, 1 is bottom plate, 2 is first guide sleeve, 3 is second guide sleeve, 4 is guide hole, 5 is positioning pin, 501 is limit block, 502 is pin hole, 6 is limit pin, 7 is positioning side plate, 701 is reinforcing rib, 8 is support structure, 9 is support block, 10 is support sheet, 11 is support pin, 12 is workpiece. DETAILED DESCRIPTION

[0016] The following examples will further illustrate the utility model, but not therefore limit the utility model.

[0017] As Figs. 1-3 Shown in a kind of welding anti-deviation clamps, including bottom plate 1, the upper side of the bottom plate 1 is provided with two first guide sleeves 2 on the left and right sides of the front end, the upper side of the bottom plate 1 is provided with two second guide sleeves 3 on the left and right sides of the rear end, the first guide sleeve 2 and the second guide sleeve 3 are provided with the guide hole 4 of horizontal direction, the guide hole 4 is provided with the positioning pin 5, the upper side of the bottom plate 1 is fixedly provided with the positioning side plate 7 on the left and right sides of the middle.

[0018] Further, one side of the positioning pin 5 is provided with limit block 501, the other side is provided with pin hole 502, pin hole 502 is provided with limit pin 6.

[0019] Further, the first guide sleeve 2 and the second guide sleeve 3 are horizontally arranged cylindrical structure, and the guide hole 4 is concentric with the outer circle of the cylindrical structure.

[0020] Further, the first guide sleeve 2 and the second guide sleeve 3 are fixedly connected with support structure 8 below, and the support structure 8 is fixedly installed on the bottom plate 1.

[0021] Further, the support structure 8 is a rectangular tube.

[0022] Further, a reinforcing rib 701 is arranged between one side of the positioning side plate 7 and the bottom plate 1.

[0023] Further, the left and right sides of the middle of the bottom plate 1 are respectively provided with support blocks 9, and the upper sides of the two support blocks 9 are respectively fixedly provided with opposite support plates 10, and the support plates 10 are provided with through holes, and the support pins 11 are arranged in the through holes.

[0024] In use, the left and right sides of the front end and the left and right sides of the rear end of the workpiece 12 are respectively provided with horizontal positioning holes, the positioning pin 5 is inserted into the positioning hole of the workpiece 12 through the guide hole 4, the workpiece can be accurately positioned, the distance between the positioning holes of the workpiece 12 is guaranteed, the positioning side plate 7 limits the two sides of the workpiece 12, and the end faces of the first guide sleeve 2 and the second guide sleeve 3 can also limit the side face of the workpiece 12, thereby preventing deviation, and the workpiece 12 is welded after clamping. After welding, since the clamp does not have a quick clamp, all steel materials can be used to manufacture, so that the clamp can be heat treated together to eliminate welding stress and ensure that the workpiece 12 does not deform after heat treatment.

[0025] If the workpiece 12 is not provided with horizontal positioning holes at both ends, process holes can also be arranged at both ends of the workpiece 12, and part of the process holes is removed by cutting or the like after the workpiece is welded and heat treated, so that the workpiece 12 is not deformed during welding.

[0026] Preferably, the limiting block 501 arranged at one end of the positioning pin 5 can be clamped at one end of the guide hole 4, the other end of the positioning pin 5 is inserted into the positioning hole or the process hole of the workpiece 12 through the guide hole 4, then the limiting pin 6 is inserted into the pin hole 502, the limiting pin 6 can limit the workpiece 12 between the limiting pin 6 and the end face of the guide sleeve 3, and can prevent the positioning pin 5 from coming out. The support structure 8 lifts the first guide sleeve 2 and the second guide sleeve 3 to make the workpiece 12 suspended, thereby preventing interference. The first guide sleeve 2 and the second guide sleeve 3 can be made of concentric pipes, and the support structure 8 can be made of rectangular pipes, which are simple in structure.

[0027] The positioning side plate 7 can be provided with a triangular reinforcing rib 701 to strengthen the strength of the positioning side plate 7 and prevent the positioning side plate 7 from deforming and deviating.

[0028] Positioning holes or process holes can be further arranged above the workpiece 1, and the support pin 11 is inserted through the positioning hole or the process hole of the workpiece 1 to limit, which can further prevent the workpiece 12 from deviating and deforming during welding.

Claims

1. A weld misregistration prevention fixture, characterized by: The utility model provides a kind of positioning device, including bottom plate (1), the upper side of the bottom plate (1) is provided with two first guide sleeves (2) to the left and right sides of the front end, the upper side of the bottom plate (1) is provided with two second guide sleeves (3) to the left and right sides of the rear end, the first guide sleeve (2) and second guide sleeve (3) are provided with the guide hole (4) of horizontal direction, guide hole (4) is provided with the positioning pin (5) in sleeve, the upper side of the bottom plate (1) is fixedly provided with the positioning side plate (7) to the left and right sides of the middle.

2. The weld offset prevention fixture of claim 1, wherein: The side of the positioning pin (5) is provided with a limit block (501), the other side is provided with pin hole (502), pin hole (502) is provided with limit pin (6) in sleeve.

3. The weld misregistration prevention fixture of claim 1, wherein: The first guide sleeve (2) and second guide sleeve (3) are horizontally arranged cylindrical structure, and the guide hole (4) is concentric with the outer circle of the cylinder.

4. The weld offset prevention fixture of claim 1, wherein: The first guide sleeve (2) and second guide sleeve (3) are fixedly connected with the supporting structure (8) below, and the supporting structure (8) is fixedly installed on the bottom plate (1).

5. The weld misregistration prevention fixture of claim 4, wherein: The supporting structure (8) is a rectangular tube.

6. The weld misregistration prevention fixture of claim 1, wherein: The side of the positioning side plate (7) is provided with a reinforcing rib (701) between the bottom plate (1).

7. The weld offset prevention fixture of claim 1, wherein: The left and right sides of the middle of the bottom plate (1) are respectively provided with support blocks (9), and the upper sides of the two support blocks (9) are respectively fixedly provided with opposite support sheets (10), the support sheet (10) is provided with a through hole, and the support pin (11) is arranged in the through hole.

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