Fixing device for steel pipe welding

Abstract

The utility model relates to the field of welding, discloses a fixing device for steel pipe welding, and solves the problems that when heavy steel pipes are manually aligned, the alignment process is very troublesome due to the fact that the steel pipes are heavy, rotating is strenuous, alignment is fine, and workers need to slowly rotate the steel pipes. Comprising a base, a first supporting plate slidably connected to one side of the upper portion of the base, a first clamp arranged on one side of the first supporting plate and a second supporting plate fixedly connected to the other side of the upper portion of the base, and an elastic mechanism and a threaded mechanism are arranged, so that the elastic mechanism is pushed to move rightwards to drive a steel pipe and a non-standard part to be clamped together; compared with the prior art, manual pushing alignment is not needed, and therefore the purpose that the alignment fixing process is simpler is achieved.

Description

Technical Field

[0001] The utility model relates to the field of steel pipe welding, in particular to a fixing device for steel pipe welding. Background Art

[0002] The fixing device for steel pipe welding is a device for fixing the steel pipe before welding. Its main purpose is to make the steel pipes on both sides fit together better.

[0003] When welding existing steel pipes, it is sometimes necessary to weld them with non-standard parts. In order to better connect them with non-standard parts, grooves need to be cut on the steel pipes for better fit. The grooves on the steel pipes and the protrusions on the non-standard parts need to be fitted together. Lighter steel pipes can be aligned manually, but for heavier steel pipes, manual alignment is difficult because the steel pipes are heavy and difficult to turn. Alignment is a more delicate job, requiring workers to turn slowly, which makes the alignment process very troublesome. Summary of the invention

[0004] The utility model aims to provide a fixing device for steel pipe welding. By adopting the fixing device, the problem that when heavy steel pipes are manually aligned, the worker needs to rotate slowly, which makes the alignment process very troublesome because the steel pipes are heavy and difficult to rotate. The alignment is also a delicate work.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing device for steel pipe welding, comprising a base, a first support plate slidably connected to one side above the base, a first clamp arranged on one side of the first support plate, a second support plate fixedly connected to the other side above the base, a second clamp fixedly connected to the second support plate on a side close to the first support plate, an elastic mechanism on a side of the first support plate away from the second support plate, and a threaded mechanism arranged below the base;

[0006] The elastic mechanism includes a first rotating shaft rotatably connected to the inner side of the first supporting plate, the first rotating shaft is connected to the first clamp in a fixed manner, a first groove is provided on the inner side of the first rotating shaft, a first push rod is provided on the inner side of the first groove, a first guide groove is connected on the inner wall of the first groove, a first guide rod is provided on the inner side of the first guide groove, the first guide rod and the first push rod are connected in a fixed manner, the first push plate is rotatably connected to the outer side of one end of the first push rod away from the first supporting plate, a spring is provided between the first push plate and the first supporting plate, the spring and the first push plate are connected in a fixed manner, a second push plate is attached to the side of the first push plate away from the first supporting plate, and a cylinder is fixedly connected to the side of the second push plate away from the first supporting plate

[0007] Preferably, the inner side surface of the first groove fits with the outer side surface of the first push rod, and the appearance structure of the first push rod is cylindrical.

[0008] Preferably, the appearance structure of the first guide groove is spiral, and the first guide groove and the first guide rod are matched in a clearance fit.

[0009] Preferably, the threaded mechanism includes a third support plate fixedly connected under the base, a motor is fixedly connected between the third support plate and the base, a threaded rod is fixedly connected to the output end of the motor, the outer side of the threaded rod is threadedly connected to a push block, a hole is provided inside the base, a support frame is provided inside the hole, the support frame is fixedly connected to the first support plate, a second guide groove is provided inside the push block, a second guide rod is provided inside the second guide groove, a slide plate is fixedly connected to the upper end of the second guide rod, a support rod is provided above the slide plate, and a clamp is fixedly connected to the upper end of the support rod.

[0010] Preferably, the appearance structure shape of one end of the second guide groove close to the first support plate is an inclined straight line, and the appearance structure shape of one end of the second guide groove away from the first support plate is a horizontal straight line.

[0011] Preferably, the connection mode between the slide plate and the base is a sliding connection, and the connection mode between the support rod and the slide plate is a sliding connection.

[0012] The utility model proposes a fixing device for steel pipe welding, which is provided with an elastic mechanism and a threaded mechanism, so that the elastic mechanism can be pushed to move to the right side, so that the steel pipe and the non-standard part can be locked together, and the threaded mechanism can be started to push the elastic mechanism to perform extrusion and limiting. Compared with the prior art, manual pushing and alignment is not required, thereby achieving the purpose of simplifying the alignment and fixing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the front cross-sectional structure of the first support plate of the utility model;

[0015] Figure 3 It is a schematic diagram of the top cross-sectional structure of the push block of the utility model;

[0016] Figure 4 For the utility model Figure 1 Schematic diagram of the structure at A in the middle;

[0017] Figure 5 For the utility model Figure 2 Schematic diagram of the structure at point B in the middle.

[0018] In the figure: 1, base; 2, first support plate; 3, first clamp; 4, second support plate; 5, second clamp; 6, elastic mechanism; 7, threaded mechanism; 601, first rotating shaft; 602, first groove; 603, first push rod; 604, first guide groove; 605, first guide rod; 606, first push plate; 607, spring; 608, second push plate; 609, cylinder; 701, third support plate; 702, motor; 703, threaded rod; 704, push block; 705, hole; 711, support frame; 706, second guide groove; 707, second guide rod; 708, slide plate; 709, support rod; 710, clamp. Specific implementation plan

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 5 The utility model provides a technical solution: a fixing device for steel pipe welding, comprising a base 1, a first support plate 2 slidably connected to one side above the base 1, a first clamp 3 arranged on one side of the first support plate 2, a second support plate 4 fixedly connected to the other side above the base 1, a second clamp 5 fixedly connected to the second support plate 4 on a side close to the first support plate 2, an elastic mechanism 6 on a side of the first support plate 2 away from the second support plate 4, and a threaded mechanism 7 is arranged below the base 1;

[0021] The elastic mechanism 6 includes a first rotating shaft 601 rotatably connected to the inner side of the first supporting plate 2, the first rotating shaft 601 is connected to the first clamp 3 in a fixed connection, a first groove 602 is arranged on the inner side of the first rotating shaft 601, a first push rod 603 is arranged on the inner side of the first groove 602, the inner side surface of the first groove 602 is fitted with the outer side surface of the first push rod 603, and the appearance structure of the first push rod 603 is cylindrical, so that the first push rod 603 will not shake when rotating on the inner side of the first groove 602, a first guide groove 604 is connected to the inner wall of the first groove 602, a first guide rod 605 is arranged on the inner side of the first guide groove 604, the appearance structure of the first guide groove 604 is spiral, and the first guide groove 604 and the first guide rod 605 are matched in a clearance match, so that when the first guide rod 605 is pushed on the inner side of the first guide groove 604, it can drive the first push rod 60 3 is rotated, the connection mode of the first guide rod 605 and the first push rod 603 is fixed connection, the first push rod 603 is rotatably connected with the first push plate 606 at the outer side of one end away from the first support plate 2, a spring 607 is arranged between the first push plate 606 and the first support plate 2, the connection mode of the spring 607 and the first push plate 606 is fixed connection, the side of the first push plate 606 away from the first support plate 2 is attached with the second push plate 608, and the side of the second push plate 608 away from the first support plate 2 is fixedly connected with the cylinder 609.

[0022] The threaded mechanism 7 includes a third support plate 701 fixedly connected to the bottom of the base 1, a motor 702 is fixedly connected between the third support plate 701 and the base 1, a threaded rod 703 is fixedly connected to the output end of the motor 702, a push block 704 is threadedly connected to the outer side of the threaded rod 703, a hole 705 is arranged inside the base 1, a support frame 711 is arranged inside the hole 705, the support frame 711 is connected to the first support plate 2 in a fixed manner, a second guide groove 706 is arranged inside the push block 704, a second guide rod 707 is arranged inside the second guide groove 706, the appearance structure shape of the end of the second guide groove 706 close to the first support plate 2 is an inclined straight line, and the second guide groove 706 is far away from the first support plate The appearance structure shape of one end of 2 is horizontal straight line, so that the second guide rod 707 can move forward and backward when moving on the inner side of the inclined straight line groove of the second guide groove 706, and will not move forward and backward when moving on the inner side of the horizontal straight line groove of the second guide groove 706. The upper end of the second guide rod 707 is fixedly connected with a slide plate 708, and a support rod 709 is arranged above the slide plate 708. The upper end of the support rod 709 is fixedly connected with a clamping plate 710. The connection mode of the slide plate 708 and the base 1 is a sliding connection, and the connection mode of the support rod 709 and the slide plate 708 is a sliding connection, so that the slide plate 708 can slide forward and backward under the base 1, and the support rod 709 can move left and right above the slide plate 708.

[0023] The non-standard parts to be welded are clamped by the second clamp 5, and the steel pipe is clamped by the first clamp 3. The first support plate 2 and the first clamp 3 are moved so that the non-standard parts and the steel pipe are clamped. The cylinder 609 is started to drive the second push plate 608 to move to the right, drive the first push plate 606 to move to the right, so that the first push rod 603 moves to the right, drive the first guide rod 605 to move inside the first guide groove 604, so that the first rotating shaft 601 and the first clamp 3 rotate, and drive the steel pipe to rotate. During extrusion, when the groove on the steel pipe is aligned with the protrusion on the non-standard part, the spring 607 pushes the first support plate 2 and the first clamp 3 to move and align, and the starting motor 702 drives the threaded rod 703 to rotate, so that the push block 704 moves laterally, and the second guide groove 706 moves laterally, driving the second guide rod 707 and the slide plate 708 to move toward the middle, driving the support rod 709 and the clamping plate 710 to move toward the middle, clamping the first push rod 603, and the push block 704 moves laterally to fix the support frame 711, making adjustment more convenient.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel pipe welding fixture, comprising a base (1), a first support plate (2) slidably connected to one side above the base (1), a first clamp (3) arranged on one side of the first support plate (2), a second support plate (4) fixedly connected to the other side above the base (1), and a second clamp (5) fixedly connected to the second support plate (4) on a side close to the first support plate (2), characterized in that: An elastic mechanism (6) is provided on the side of the first support plate (2) away from the second support plate (4), and a threaded mechanism (7) is provided below the base (1); The elastic mechanism (6) comprises a first rotating shaft (601) rotatably connected to the inner side of the first supporting plate (2); the first rotating shaft (601) is connected to the first clamp (3) in a fixed manner; a first groove (602) is arranged on the inner side of the first rotating shaft (601); a first push rod (603) is arranged on the inner side of the first groove (602); a first guide groove (604) is connected to the inner wall of the first groove (602); a first guide rod (605) is arranged on the inner side of the first guide groove (604); the first guide rod (605) is connected to the first guide rod (605); A push rod (603) is connected in a fixed manner; an outer side of one end of the first push rod (603) away from the first support plate (2) is rotatably connected to a first push plate (606); a spring (607) is provided between the first push plate (606) and the first support plate (2); the spring (607) and the first push plate (606) are connected in a fixed manner; a second push plate (608) is attached to a side of the first push plate (606) away from the first support plate (2); and a cylinder (609) is fixedly connected to a side of the second push plate (608) away from the first support plate (2).

2. A steel pipe welding fixing device according to claim 1, characterized in that: The inner side surface of the first groove (602) fits with the outer side surface of the first push rod (603), and the appearance structure of the first push rod (603) is cylindrical.

3. A steel pipe welding fixing device according to claim 1, characterized in that: The appearance structure of the first guide groove (604) is spiral, and the first guide groove (604) and the first guide rod (605) are matched in a clearance fit.

4. A steel pipe welding fixture according to claim 1, characterized in that: The thread mechanism (7) comprises a third support plate (701) fixedly connected to the bottom of the base (1); a motor (702) is fixedly connected between the third support plate (701) and the base (1); a threaded rod (703) is fixedly connected to the output end of the motor (702); a push block (704) is threadedly connected to the outer side of the threaded rod (703); a hole (705) is provided inside the base (1); a support frame (711) is provided inside the hole (705); the support frame (711) is connected to the first support plate (2) in a fixed manner; a second guide groove (706) is provided inside the push block (704); a second guide rod (707) is provided inside the second guide groove (706); a slide plate (708) is fixedly connected to the upper end of the second guide rod (707); a support rod (709) is provided above the slide plate (708); and a clamping plate (710) is fixedly connected to the upper end of the support rod (709).

5. A steel pipe welding fixing device according to claim 4, characterized in that: The appearance structural shape of one end of the second guide groove (706) close to the first support plate (2) is an inclined straight line, and the appearance structural shape of one end of the second guide groove (706) away from the first support plate (2) is a horizontal straight line.

6. A steel pipe welding fixing device according to claim 4, characterized in that: The sliding plate (708) is connected to the base (1) in a sliding connection, and the supporting rod (709) is connected to the sliding plate (708) in a sliding connection.

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