Bent pipe welding and fixing device

Abstract

The utility model relates to a bent pipe welding fixing device which comprises a positioning table, a first material clamping piece, a second material clamping piece and a positioning mechanism. The first material clamping piece is provided with a material clamping disc; the second material clamping piece is provided with a receding opening and a material supporting block; the positioning mechanism comprises a fixing plate, a connecting plate, a first hinge rod, a second hinge rod and a third hinge rod, and a positioning head is arranged at the end of the second hinge rod. Compared with the prior art, the pipe bending device has the advantages that the structure is simple, the production and use cost is low, the first material clamping piece and the second material clamping piece are matched with the positioning mechanism to position a bent pipe needing to be welded, and pipe bending and visual welding are facilitated; and (2) the receding opening provides a material taking space, and material taking during welding of finished products with the two ends clamped is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fitting welding technical field, especially a bend pipe welding fixing device. BACKGROUND

[0002] Due to the use demand of the exhaust pipe, the exhaust pipe is usually designed as the combination of the bend pipe and the straight pipe, and the bend pipe and the straight pipe need to be welded in the exhaust pipe production and assembly process. However, in the welding process, the pipe fitting is a curved surface, and it is difficult to position the bend pipe and the straight pipe in the case of convenient material taking, so that the pipe fitting is displaced during welding, and the welding quality is affected. SUMMARY

[0003] The utility model discloses a bend pipe welding fixing device can improve the positioning effect, and conveniently take the material.

[0004] In order to achieve the above-mentioned utility model purposes, the utility model provides a bend pipe welding fixing device, including positioning table, first material clamp, second material clamp and positioning mechanism,

[0005] The first material clamp and the second material clamp are located at both ends of the positioning table respectively, and the first material clamp is provided with a material clamping disc.

[0006] The second material clamp is provided with a gap and a material supporting block, the material supporting block is located below the gap, and the material supporting block is a semicircular arc.

[0007] The first material clamp is provided with the positioning mechanism on both sides, the positioning mechanism includes a fixed plate, a connecting plate, a first hinge rod, a second hinge rod and a third hinge rod, the connecting plate is connected to one side of the positioning table through the fixed plate, one end of the first hinge rod and the second hinge rod is hinged on the connecting plate, the first hinge rod and the second hinge rod are hinged through the third hinge rod, and the end of the second hinge rod is provided with a positioning head.

[0008] As a further improvement of the utility model, the positioning table is provided with an arc-shaped position adjusting groove, and the second material clamp is connected to the arc-shaped position adjusting groove through a fastener.

[0009] As a further improvement of the utility model, a supporting piece is arranged between the first material clamp and the second material clamp, and the supporting piece is provided with a material supporting groove.

[0010] Preferably, the positioning head is a rubber head.

[0011] As a further improvement of the utility model, the positioning head is provided with an adjusting rod, and the adjusting rod is threadedly connected with the second hinge rod.

[0012] As a further improvement of the utility model, the end of the first articulated rod is provided with a hand lever.

[0013] The utility model discloses a pipe welding fixing device, the inner wall of first pipe end is clamped on the material clamping disc, and positioning effect is played, then the first articulated rod of both sides is rotated, and the second articulated rod hinged with it is rotated, and the positioning head is pressed against the outer wall of first pipe end, so that the both sides of first pipe end are clamped between the positioning head and first material clamping piece, and the end of second pipe is pressed against the second material clamping piece and is lifted through the supporting block, and the straight pipe is placed between two pipes and is welded, after welding, first articulated rod is reset first, so that the positioning head loosens first pipe, then the end of second pipe passes through the gap, and the finished product welding piece clamped in first material clamping piece and second material clamping piece is taken out.

[0014] Compared with the prior art, the utility model discloses a pipe welding fixing device and has the advantages of:

[0015] (1) simple structure, low production and use cost, first material clamping piece and second material clamping piece cooperate with positioning mechanism to position the pipe to be welded, and the pipe and the straight pipe are conveniently welded;

[0016] (2) the gap provides the material taking space, and the finished product welding of both ends is clamped conveniently. DRAWINGS

[0017] Figure 1 It is a pipe welding fixing device structural schematic view of the utility model,

[0018] Figure 2 It is a pipe welding fixing device structural schematic view of the utility model,

[0019] Figure 3 It is a positioning mechanism structural schematic view. CONCRETE IMPLEMENTING METHOD

[0020] The specific implementing method of the utility model is further explained in detail in combination with the drawings.

[0021] As Figures 1-2 Shown, a pipe welding fixing device of the utility model, including positioning table 1, first material clamping piece 2, second material clamping piece 3 and positioning mechanism 4,

[0022] First material clamping piece 2 and second material clamping piece 3 are located at both ends of positioning table 1 respectively, and first material clamping piece 2 is equipped with material clamping disc 21,

[0023] Second material clamping piece 3 is equipped with gap 31 and supporting block 32, and supporting block 32 is below gap 31, and supporting block 32 is semicircular arc shape,

[0024] First material clamping piece 2 both sides are equipped with positioning mechanism 4, asFigure 3 As shown, the positioning mechanism 4 comprises a fixed plate 41, a connecting plate 42, a first hinged rod 43, a second hinged rod 45, and a third hinged rod 48, the connecting plate 42 is connected to one side of the positioning table 1 through the fixed plate 41, one end of the first hinged rod 43 and the second hinged rod 45 are hinged on the connecting plate 42, the first hinged rod 43 and the second hinged rod 45 are hinged through the third hinged rod 48, and the end of the second hinged rod 45 is provided with a positioning head 46.

[0025] The utility model discloses a kind of elbow welding fixing devices, the inner wall of the end of first elbow 7 is clamped on material clamping disc 21, and positioning effect is played;Subsequently, rotating the first hinged rod 43 of both sides, and the second hinged rod 45 hinged therewith is rotated, and the positioning head 46 is placed on the outer wall of the end of first elbow 7, so that the end of first elbow 7 is clamped between the positioning head 46 and the first material clamping piece 2;The end of second elbow 8 is placed on the second material clamping piece 3, and is lifted by supporting block 32;Straight pipe 6 is placed between two elbows and is welded;After welding is completed, first hinged rod 43 is reset, so that the positioning head 46 loosens first elbow 7, and then the end of second elbow 8 is passed through the gap 31, and the finished product welding piece clamped between the first material clamping piece 2 and the second material clamping piece 3 is taken out.

[0026] In the embodiment, the positioning table 1 is provided with an arc-shaped positioning groove 11, and the second material clamping piece 3 is connected to the arc-shaped positioning groove 11 by a fastener 33. The distance between the second material clamping piece 3 and the first material clamping piece 2 and the angle of the second material clamping piece 3 towards the first material clamping piece 2 can be adjusted according to the actual size and shape of the elbow to be welded, so as to adapt to the welding of workpieces of different specifications.

[0027] A supporting piece 5 is arranged between the first material clamping piece 2 and the second material clamping piece 3, and the supporting piece 5 is provided with a supporting groove 51. The supporting piece 5 is used for a pipe with a relatively long size, and the pipe is placed on the supporting groove 51 to avoid the long pipe from drooping and affecting the positioning effect.

[0028] The positioning head 46 is preferably a rubber head 46 to prevent scratching the outer wall of the pipe.

[0029] The positioning head 46 is provided with an adjusting rod 47, which is threadedly connected to the second hinged rod 45. The length of the positioning head 46 can be adjusted by screwing the adjusting rod 47, so as to adapt to the positioning of pipes with different diameters.

[0030] The end of the first hinged rod 43 is provided with a hand lever 44 to facilitate the rotation of the first hinged rod 43.

[0031] The preferred embodiments of the utility model have been specifically explained above, but the utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the application.

Claims

1. A bend pipe welding and fixing device, characterized in that: It includes a positioning platform, a first clamping piece, a second clamping piece, and a positioning mechanism; The first clamping member and the second clamping member are respectively located at two ends of the positioning platform, and the first clamping member is provided with a clamping tray; The second clamping member is provided with a clearance opening and a material supporting block, the material supporting block is located below the clearance opening, and the material supporting block is semicircular; The positioning mechanism is provided on both sides of the first clamping part, and the positioning mechanism includes a fixed plate, a connecting plate, a first hinged rod, a second hinged rod, and a third hinged rod. The connecting plate is connected to one side of the positioning platform through the fixed plate, and one end of the first hinged rod and the second hinged rod are both hinged on the connecting plate. The first hinged rod and the second hinged rod are hinged through the third hinged rod, and a positioning head is provided at the end of the second hinged rod.

2. A bend pipe welding and fixing device according to claim 1, characterized in that: The positioning platform is provided with an arc-shaped positioning groove, and the second clamping piece is connected to the arc-shaped positioning groove via a fastener.

3. The elbow welding and fixing device according to claim 1, characterized in that: A support member is provided between the first clamping member and the second clamping member, and the support member is provided with a supporting groove.

4. The elbow welding and fixing device according to claim 1, characterized in that: The positioning head is a rubber head.

5. The elbow welding and fixing device according to claim 1, characterized in that: The positioning head is provided with an adjusting rod, and the adjusting rod is threadedly connected to the second hinge rod.

6. The elbow welding and fixing device according to claim 1, characterized in that: A hand lever is provided at the end of the first hinged rod.

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