Metal pipe welding device

Abstract

The utility model relates to the field of metal tube welding, discloses a metal tube welding device, and solves the problems that a worker difficultly and accurately adjusts the angle of the other side at one time, repeated measurement and fine adjustment operations are often needed, the work is very tedious in the period, the worker sometimes forgets to fix the metal tube after fixation is completed, and the working efficiency is high. The utility model relates to a metal pipe welding device, in particular to a metal pipe welding device which solves the problems that in the prior art, a metal pipe is not limited and is prone to rotating and moving, the previous adjustment result fails, readjustment is needed, and the welding efficiency is affected in the prior art, and comprises a base, a first supporting plate fixedly connected to one side of the upper portion of the base and a welding machine fixedly connected to the lower portion of the inner side of the first supporting plate. By arranging the reciprocating mechanism, the rotating mechanism is pushed to drive the rotating mechanism to move, the metal pipe can be elastically pre-clamped, and compared with the prior art, the situation that a worker forgets to limit the metal pipe after adjustment is completed can be avoided, so that the welding efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of metal pipe welding, specifically a metal pipe welding device. Background Technology

[0002] Metal pipe welding equipment is used to join metal pipes together. It uses various welding techniques (such as arc welding, resistance welding, laser welding, etc.) to form a strong connection at the joints of the metal pipes. These devices can provide the energy required for welding, control welding parameters, and ensure the stability of the welding process and the quality of the weld.

[0003] Announcement No. CN221907319U discloses a metal pipe forming and welding device, comprising: a base, wherein horizontal grooves are formed on both sides of the top center of the base, and rectangular grooves are formed at the front and rear sides of the top center of the base; and two movable plates, the bottom of which is movably connected to the top of the base. Due to the widespread application of metal pipes in various industrial equipment, pipeline systems, and precision instrument construction, the precise assembly relationship between specific holes and other components is a key element that must be ensured during the welding process. For example, in the complex pipeline networks of the petrochemical industry, the connecting holes on the metal pipes need to be aligned with valves, etc. For precise alignment of instruments and other components, traditional metal pipe welding and alignment operations typically involve workers fixing one side first and then adjusting the other to prevent changes in the already adjusted position. Specifically, after initial positioning of one side of the metal pipe, it is immediately rigidly fixed. This rigid fixing method often uses various clamps or fastening devices to strongly constrain the already adjusted part of the metal pipe. However, when workers begin to adjust the angle of the other side of the metal pipe, they encounter numerous difficulties. Adjusting the spatial position of the metal pipe involves complex multi-dimensional changes, including translation, rotation, and tilting, and is not a simple planar angle adjustment. Due to the lack of effective auxiliary measures, workers cannot accurately complete the angle adjustment of the other side in one go, often requiring multiple repeated measurements and fine-tuning operations. This process is extremely tedious. Sometimes, after fixing, the metal pipe is forgotten, and without restraint, it is very easy for it to rotate and move, rendering the previous adjustments invalid and requiring readjustment, thus affecting welding efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a metal pipe welding device. Using this device solves the problem that workers often have to perform multiple repeated measurements and fine-tuning operations to accurately adjust the angle of the other side in one go, which is very tedious. Sometimes, after fixing, the metal pipe is forgotten to be fixed, and without a limit, it is very easy for the metal pipe to rotate and move, causing the previous adjustment results to be invalid and requiring readjustment, which affects the welding efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a metal pipe welding device, comprising a base, a first support plate fixedly connected to one side above the base, a welding machine fixedly connected to the lower inner side of the first support plate, a rotating mechanism provided on the other side above the base, and a pushing mechanism provided above the rotating mechanism.

[0006] The rotating mechanism includes a second support plate fixedly connected to the other side above the base. The inner side of the second support plate is provided with a first hole. The inner wall of the first hole near the middle end of the base is connected to a first groove. A toothed ring is rotatably connected to the inner side of the first groove. The toothed ring is provided with a first guide hole inside. The inner wall of the first hole away from the middle end of the base is connected to a second groove. A push rod is provided to the inner side of the second groove. A first guide rod is provided to the inner side of the first guide hole and fixedly connected to the push rod. A third groove is provided to the inner side of the push rod. A spring is fixedly connected to the inner side of the third groove. A pressure plate is fixedly connected to the other end of the spring. A fourth groove is connected above the first groove. A rack that meshes with the toothed ring is provided to the inner side of the fourth groove. A rubber pad is fixedly connected to the inner side of the pressure plate.

[0007] Preferably, the first guide hole has an arc-shaped appearance, and the first guide hole and the first guide rod are fitted with a clearance fit.

[0008] Preferably, the second grooves are equidistantly distributed on the inner wall of the first hole, and the inner side of the second groove fits against the outer side of the push rod, and the push rod has a cuboid shape.

[0009] Preferably, the end of the pressure plate away from the center of the second support plate has a cuboid shape, and the outer side of the end of the pressure plate away from the center of the second support plate is in contact with the inner side of the third groove.

[0010] Preferably, the pushing mechanism includes a cylinder fixedly connected to the outside of the first support plate, a first connecting plate fixedly connected to the output end of the cylinder, the first connecting plate being fixedly connected to the rack, a guide groove being provided on the upper surface of the first connecting plate, a second guide rod being provided on the inner side of the guide groove, a second connecting plate being fixedly connected to the upper end of the second guide rod, a limit ring being fixedly connected to the other end of the second connecting plate, a limit rod being fixedly connected to the inner side of the limit ring, the end face of the limit rod near the rack being an inclined surface, limit grooves being provided at equal intervals on the outer side of the pressure plate, a third support plate being fixedly connected to the other end of the first connecting plate, and a support groove being provided on the inner side of the third support plate.

[0011] Preferably, the guide groove has an inclined straight line shape at the end near the second support plate, and a horizontal straight line shape at the end away from the second support plate.

[0012] Preferably, the lower end of the support groove has an arc shape, and the upper end of the support groove has an inclined straight line shape.

[0013] Preferably, the support grooves are equidistantly distributed inside the third support plate, and the arc diameter at the bottom of the support grooves gradually increases.

[0014] Preferably, the centers of the arcs at the bottom of the support groove are on the same straight line, and the center of the arcs at the bottom of the support groove is on the same horizontal line as the center of the first hole.

[0015] The present invention proposes a metal pipe welding device, which, by setting a reciprocating mechanism, drives the rotating mechanism to move, and can elastically pre-clamp the metal pipe. Compared with the prior art, this can prevent workers from forgetting to limit the metal pipe after adjustment, thereby improving welding efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0017] Figure 2 This is a top view schematic diagram of the guide groove structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the left-side structure of the first guide hole of this utility model;

[0019] Figure 4 This is a schematic diagram of the left cross-section of the second support plate of this utility model;

[0020] Figure 5 For the present utility model Figure 1 Schematic diagram at point A in the middle;

[0021] Figure 6 For the present utility model Figure 4 Schematic diagram at point B in the middle.

[0022] In the diagram: 1. Base; 2. First support plate; 3. Welding machine; 4. Rotating mechanism; 5. Pushing mechanism; 401. Second support plate; 402. First hole; 403. First groove; 404. Gear ring; 405. First guide hole; 406. Second groove; 407. Push rod; 408. First guide rod; 409. Third groove; 410. Spring; 411. Pressure plate; 412. Fourth groove; 413. Rack; 414. Rubber pad; 501. Cylinder; 502. First connecting plate; 503. Guide groove; 504. Second guide rod; 505. Second connecting plate; 506. Limiting ring; 507. Limiting rod; 508. Limiting groove; 509. Third support plate; 510. Support groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1-6 The present invention provides a technical solution: a metal pipe welding device, including a base 1, a first support plate 2 fixedly connected to one side above the base 1, a welding machine 3 fixedly connected to the lower inner side of the first support plate 2, a rotating mechanism 4 provided on the other side above the base 1, and a pushing mechanism 5 provided above the rotating mechanism 4.

[0025] The rotating mechanism 4 includes a second support plate 401 fixedly connected to the other side above the base 1. A first hole 402 is provided on the inner side of the second support plate 401. A first groove 403 is connected to the inner wall of the first hole 402 near the middle end of the base 1. A toothed ring 404 is rotatably connected to the inner side of the first groove 403. A first guide hole 405 is provided inside the toothed ring 404. A second groove 406 is connected to the inner wall of the first hole 402 away from the middle end of the base 1. The first guide hole 405 has an arc-shaped external structure, and the first guide hole 405 and the first guide rod 408 are fitted with a clearance fit. The second grooves 406 are equidistantly distributed on the inner wall of the first hole 402, and the inner surface of the second grooves 406 fits against the outer surface of the push rod 407. The push rod 407 has a cuboid external structure, allowing the first guide hole 405 to rotate freely. The first guide rod 408 is driven to move outward along the trajectory of the push rod 407 along the second groove 406. The push rod 407 is provided on the inner side of the second groove 406. The first guide rod 408 is fixedly connected to the push rod 407 on the inner side of the first guide hole 405. The third groove 409 is provided on the inner side of the push rod 407. The spring 410 is fixedly connected to the inner side of the third groove 409. The other end of the spring 410 is fixedly connected to the pressure plate 411. The fourth groove 412 is connected above the first groove 403. The rack 413 that meshes with the toothed ring 404 is provided on the inner side of the fourth groove 412. The end of the pressure plate 411 away from the center of the second support plate 401 has a cuboid shape. The outer side of the end of the pressure plate 411 away from the center of the second support plate 401 is in contact with the inner side of the third groove 409. The inner side of the pressure plate 411 is fixedly connected to the rubber pad 414.

[0026] The pushing mechanism 5 includes a cylinder 501 fixedly connected to the outside of the first support plate 2. The output end of the cylinder 501 is fixedly connected to a first connecting plate 502. The first connecting plate 502 is fixedly connected to the rack 413. A guide groove 503 is provided on the upper surface of the first connecting plate 502. The guide groove 503 has an inclined straight shape at the end near the second support plate 401 and a horizontal straight shape at the end away from the second support plate 401. This ensures that when the second guide rod 504 moves inside the front end of the guide groove 503, it will not move laterally. However, when it moves inside the rear end of the guide groove 503, it will move laterally. The second guide rod 504 is provided inside the guide groove 503. The upper end of the second guide rod 504 is fixedly connected to a second connecting plate 505. The other end of the second connecting plate 505 is fixedly connected to a limit ring 506. A limiting rod 507 is fixedly connected to the side. The end face of the limiting rod 507 near the toothed ring 404 is inclined. Limiting grooves 508 are equidistantly opened on the outer side of the pressure plate 411. A third support plate 509 is fixedly connected to the other end of the first connecting plate 502. A support groove 510 is provided on the inner side of the third support plate 509. The guide groove 503 has an inclined straight shape at the end near the second support plate 401, and a water-like shape at the end away from the second support plate 401. The lower end of the support groove 510 is arc-shaped, and the upper end of the support groove 510 is inclined straight. The support grooves 510 are evenly distributed inside the third support plate 509, and the arc diameter at the bottom of the support groove 510 gradually increases. The center of the arc at the bottom of the support groove 510 is on the same straight line, and the center of the arc at the bottom of the support groove 510 is on the same horizontal line as the center of the first hole 402, so that the support groove 510 can support metal pipes of different diameters.

[0027] During fixing, the metal tube is placed inside the first hole 402. The cylinder 501 is activated, causing the first connecting plate 502, rack 413, and third support plate 509 to move laterally. This lateral movement of the third support plate 509 moves the support groove 510. Because the lower end of the support groove 510 has an arc-shaped appearance and the upper end has an inclined straight line appearance, the metal tube can move along the outer side of the support groove 510 out of its inner side. Since the arc diameter at the bottom of the support groove 510 gradually increases, and the arc centers at the bottom of the support groove 510 are on the same straight line, and the arc center at the bottom of the support groove 510 is on the same horizontal line as the center of the first hole 402, a support groove 510 that fits the metal tube can be selected, allowing the metal tube to remain horizontal. During adjustment, the rack 413 rotates, causing the gear ring 404 and the first guide hole 405 to rotate. Since the first guide hole 405 has an arc-shaped appearance and a clearance fit with the first guide rod 408, and the second grooves 406 are equidistantly distributed on the inner wall of the first hole 402, with the inner side of the second groove 406 fitting against the outer side of the push rod 407, and the push rod 407 having a cuboid appearance, the first guide hole 405 pushes the first guide rod 408, the push rod 407, the spring 410, and the pressure plate 411 towards the center to pre-clamp the metal tube. After the worker completes the adjustment, the spring 410 automatically pushes the pressure plate 411 to pre-tighten the metal tube, preventing the worker from forgetting to limit the metal tube after adjustment and improving welding efficiency.

[0028] After adjustment, continue to push the rack 413 to move laterally, causing the guide groove 503 to move laterally, causing the second guide rod 504 to move to the inside of the inclined groove of the guide groove 503. Pull the second guide rod 504, the second connecting plate 505, the limiting ring 506, and the limiting rod 507 to move towards the middle inner side of the base 1. Because the end face of the limiting rod 507 near the rack 404 is inclined, the limiting rod 507 moves along the inclined side of the limiting rod 507 to the inside of the limiting groove 508, and the pressure plate 411 is limited and fixed, completing the rigid fixation of the metal tube.

[0029] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A metal pipe welding device, comprising a base (1), a first support plate (2) fixedly connected to one side above the base (1), and a welding machine (3) fixedly connected to the lower inner side of the first support plate (2), characterized in that: A rotating mechanism (4) is provided on the other side above the base (1), and a pushing mechanism (5) is provided above the rotating mechanism (4); The rotating mechanism (4) includes a second support plate (401) fixedly connected to the other side above the base (1). The inner side of the second support plate (401) is provided with a first hole (402). The inner wall of the first hole (402) near the middle end of the base (1) is connected to a first groove (403). The inner side of the first groove (403) is rotatably connected to a gear ring (404). The inside of the gear ring (404) is provided with a first guide hole (405). The inner wall of the first hole (402) away from the middle end of the base (1) is connected to a second groove (406). The inner side of the second groove (406) is provided with a pusher. The moving rod (407) has a first guide rod (408) fixedly connected to the push rod (407) inside the first guide hole (405). The push rod (407) has a third groove (409) inside. The third groove (409) is fixedly connected to a spring (410) inside. The other end of the spring (410) is fixedly connected to a pressure plate (411). The first groove (403) is connected to a fourth groove (412) above. The fourth groove (412) has a rack (413) that meshes with a toothed ring (404) inside. The pressure plate (411) is fixedly connected to a rubber pad (414) inside.

2. The metal pipe welding device according to claim 1, characterized in that: The first guide hole (405) has an arc-shaped appearance, and the first guide hole (405) and the first guide rod (408) are fitted with a clearance fit.

3. The metal pipe welding device according to claim 1, characterized in that: The second groove (406) is evenly distributed on the inner wall of the first hole (402), and the inner side of the second groove (406) fits against the outer side of the push rod (407), and the push rod (407) has a cuboid shape.

4. The metal pipe welding device according to claim 1, characterized in that: The end of the pressure plate (411) away from the center of the second support plate (401) has a cuboid shape, and the outer side of the end of the pressure plate (411) away from the center of the second support plate (401) is in contact with the inner side of the third groove (409).

5. The metal pipe welding device according to claim 1, characterized in that: The pushing mechanism (5) includes a cylinder (501) fixedly connected to the outside of the first support plate (2). The output end of the cylinder (501) is fixedly connected to a first connecting plate (502). The first connecting plate (502) is fixedly connected to the rack (413). A guide groove (503) is provided on the upper surface of the first connecting plate (502). A second guide rod (504) is provided on the inner side of the guide groove (503). The upper end of the second guide rod (504) is fixedly connected to a second connecting plate. (505), the other end of the second connecting plate (505) is fixedly connected to a limiting ring (506), the inner side of the limiting ring (506) is fixedly connected to a limiting rod (507), the end face of the limiting rod (507) near the toothed ring (404) is an inclined surface, the outer side of the pressure plate (411) is provided with limiting grooves (508) at equal intervals, the other end of the first connecting plate (502) is fixedly connected to a third support plate (509), the inner side of the third support plate (509) is provided with a support groove (510).

6. The metal pipe welding device according to claim 5, characterized in that: The guide groove (503) has an inclined straight line shape at the end near the second support plate (401), and a horizontal straight line shape at the end away from the second support plate (401).

7. A metal pipe welding device according to claim 5, characterized in that: The lower end of the support groove (510) has an arc shape, and the upper end of the support groove (510) has an inclined straight line shape.

8. A metal pipe welding apparatus according to claim 5, characterized in that: The support grooves (510) are equidistantly distributed inside the third support plate (509), and the arc diameter at the bottom of the support grooves (510) gradually increases.

9. A metal pipe welding device according to claim 5, characterized in that: The center of the arc at the bottom of the support groove (510) is on the same straight line, and the center of the arc at the bottom of the support groove (510) is on the same horizontal line as the center of the first hole (402).

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