Pipe fitting positioning and welding device

By using the U-shaped plate, arc-shaped clamping plate, and servo motor system of the pipe fitting positioning and welding device, stable clamping and rotational welding of pipe fittings are achieved, solving the problems of shaking and misalignment during pipe fitting welding, and improving welding quality and efficiency.

CN223960803UActive Publication Date: 2026-03-03ZIBO TONGYUE ENVIRONMENTAL PROTECTION EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

In existing technologies, pipe fittings are prone to shaking during welding, which can lead to breakage at the weld joint, resulting in low efficiency. Furthermore, deviations and cracks are easily found at the joint, affecting the welding quality.

Method used

A pipe fitting positioning and welding device is adopted, which uses U-shaped plates, arc-shaped clamps, servo motors and gear systems to stably clamp and rotate the pipe fittings for welding. The pipe fittings are connected and the welding gun is rotated by electric push rods and servo motors, avoiding shaking and rotation caused by manual handling.

Benefits of technology

It improves the stability and efficiency of pipe fitting welding, reduces breakage and deviation at the weld, and ensures welding quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223960803U_ABST
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Abstract

The utility model relates to the technical field of pipe fitting welding, and provides a pipe fitting positioning and welding device which comprises a table body, a sliding groove is formed in the center of the outer surface of the top of the table body, a two-way screw rod is movably embedded in the sliding groove, two sliding blocks are movably arranged on the outer surface of the two-way screw rod in a sleeved mode, and the pipe fitting positioning and welding device further comprises two U-shaped plates. The two sliding blocks are fixedly mounted at the tops of the two sliding blocks; pipe fittings needing to be welded are placed in the two U-shaped plates correspondingly, the arc-shaped supporting plates are fixedly installed in the two U-shaped plates correspondingly, the arc-shaped supporting plates can improve the stability of the pipe fittings, then the two sets of electric push rods drive the arc-shaped clamping plates to move oppositely or oppositely, adjustment can be conducted according to the sizes of the pipe fittings, and the welding efficiency is improved. The arc-shaped clamping plates are used for clamping and fixing the pipe fitting, the non-slip mats are fixedly mounted on the outer surfaces of the arc-shaped clamping plates, the friction force can be increased, the situation that the welding effect is affected by shaking of the pipe fitting during welding is prevented, and the two sets of electric push rods are obliquely mounted, so that the pipe fitting can be clamped and fixed.
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Description

Technical Field

[0001] This utility model relates to the field of pipe welding technology, and in particular to a pipe positioning welding device. Background Technology

[0002] Pipe welding is a key process in the installation and maintenance of pipeline systems, and is widely used in various industries such as petroleum, chemical, natural gas, water supply, and heating. The quality of welding directly affects the safety and reliability of the pipeline system.

[0003] However, in the existing technology, pipe fittings are usually welded manually by hand. This is prone to shaking during the welding process, which can cause the weld to break and affect the welding effect. Manually welding two pipe fittings is slow and the joint between the two fittings is prone to deviation. Moreover, the pipe fittings need to be rotated during welding to adjust the welding position. This rotation can easily cause cracks at the weld, thus affecting the welding quality of the pipe fittings. Utility Model Content

[0004] The purpose of this invention is to solve the problems in the existing technology where welding pipe fittings usually involves manual hand-holding and fixing, which is prone to shaking during the welding process, causing the weld to break and affecting the welding effect. Manually welding two pipe fittings is also slow and prone to deviation at the joint. Furthermore, the pipe fittings need to be rotated during welding to adjust the welding position, which can easily cause cracks at the weld, thus affecting the welding quality and overall quality of the pipe fittings.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a pipe fitting positioning and welding device, comprising: a table body, wherein a groove is formed at the center of the outer surface of the top of the table body, a bidirectional screw is movably embedded inside the groove, and two sliders are movably sleeved on the outer surface of the bidirectional screw, and further comprising:

[0006] Two U-shaped plates are fixedly installed on the top of the two sliders. Electric push rods are fixedly installed on the upper ends of both sides of the two U-shaped plates. The electric push rods are installed at an angle. The output ends of the electric push rods pass through the U-shaped plates. Arc-shaped clamps are fixedly installed on the output ends of the electric push rods. Anti-slip pads are fixedly installed on the outer surface of the arc-shaped clamps.

[0007] Two arc-shaped support plates are fixedly installed at the inner center of the two U-shaped plates;

[0008] A servo motor is fixedly installed on one side of the table body, and the output end of the servo motor is connected to a bidirectional screw through a sliding groove.

[0009] Preferably, an annular plate is fixedly installed at the top center of the table body, and an annular groove is formed on the inner surface of the annular plate, and a circular groove is formed inside the annular groove.

[0010] The technical effects of adopting the above-mentioned further solution are: the annular groove facilitates the embedding of the circular plate and improves the stability of the circular plate; the annular groove can limit the toothed ring and improve the stability of the toothed ring.

[0011] Preferably, a toothed ring is movably embedded inside the annular groove, and an annular plate is movably embedded inside the annular groove, with the annular plate and the toothed ring being fixedly connected.

[0012] The technical effect of adopting the above-mentioned further solution is that the gear ring can drive the circular plate to rotate.

[0013] Preferably, a fixing plate is fixedly installed on the inner surface of the annular plate, and an electric telescopic rod is fixedly installed on the outer surface of the fixing plate, with a welding gun fixedly installed at one end of the electric telescopic rod.

[0014] The technical effect of adopting the above-mentioned further solution is that the electric telescopic rod can drive the welding torch to adjust the distance between it and the pipe fitting, so that the welding torch can perform welding work better.

[0015] Preferably, the outer surface of the annular plate is provided with a through groove, and a U-shaped frame is fixedly installed on the outer surface of the annular plate.

[0016] The technical effect of adopting the above-mentioned further solution is that the gear is embedded inside the through groove and meshes with the gear ring.

[0017] Preferably, a connecting shaft is movably embedded inside the U-shaped frame, and a gear is fixedly sleeved on the outer surface of the connecting shaft, the gear meshing with a gear ring.

[0018] The technical effect of adopting the above-mentioned further solution is that the gear can drive the meshing gear ring to rotate, thereby driving the welding torch to rotate for welding.

[0019] Preferably, a drive motor is fixedly mounted on the outer surface of the U-shaped frame, and the output tube of the drive motor passes through the U-shaped frame and is connected to the connecting shaft.

[0020] The technical effect of adopting the above-mentioned further solution is that the drive motor drives the gear to rotate through the connecting shaft.

[0021] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0022] 1. In this utility model, the pipe fittings to be welded are placed inside two U-shaped plates. Arc-shaped support plates are fixedly installed inside both U-shaped plates to improve the stability of the pipe fittings. Then, two sets of electric push rods drive the arc-shaped clamping plates to move relative to or away from each other, which can be adjusted according to the size of the pipe fittings. The arc-shaped clamping plates clamp and fix the pipe fittings. Anti-slip pads are fixedly installed on the outer surface of the arc-shaped clamping plates to increase friction and prevent the pipe fittings from shaking during welding, thus affecting the welding effect. The two sets of electric push rods are installed at an angle, thus better clamping and fixing the pipe fittings. Then, a servo motor is activated to drive a bidirectional screw to rotate. The bidirectional screw drives the U-shaped plates to move relative to each other through two sliders, allowing the two pipe fittings to align and improving the fit at the joint.

[0023] 2. In this utility model, the start-up drive motor drives the gear to rotate through the connecting shaft. The gear drives the meshing gear ring to rotate inside the annular groove. An annular plate is fixedly installed on the inner surface of the gear ring. Therefore, the welding gun is rotated and welded through the annular plate. The welding gun is fixedly installed on the fixed plate through the electric telescopic rod. The fixed plate is fixedly installed on the inner surface of the annular plate. The rotation of the welding gun driven by the annular plate can weld the joint of the pipe fitting without rotating the pipe fitting, thus preventing the weld from breaking. Attached Figure Description

[0024] Figure 1 This utility model provides a structural schematic diagram of a pipe fitting positioning and welding device;

[0025] Figure 2 This utility model provides a side view of a pipe fitting positioning and welding device.

[0026] Figure 3 This utility model provides an exploded structural diagram of a pipe fitting positioning and welding device;

[0027] Figure 4 This utility model proposes a pipe fitting positioning and welding device. Figure 3 Enlarged structural diagram at point A in the middle.

[0028] Legend:

[0029] 1. Table body; 101. Slide groove; 102. Bidirectional screw; 103. Servo motor; 104. U-shaped plate; 105. Electric push rod; 106. Arc-shaped clamping plate; 1061. Anti-slip mat; 107. Ring plate; 108. Circular ring plate; 109. U-shaped frame; 110. Drive motor; 111. Arc-shaped support plate; 112. Slider; 113. Fixing plate; 114. Electric telescopic rod; 115. Welding torch; 116. Circular groove; 117. Gear ring; 118. Circular groove; 119. Gear; 120. Connecting shaft; 121. Through groove. Detailed Implementation

[0030] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0031] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0032] Example 1, as Figure 1-4 As shown, this utility model provides a pipe fitting positioning and welding device, including: a table body 1, a groove 101 is formed at the center of the outer surface of the top of the table body 1, a bidirectional screw 102 is movably embedded in the groove 101, and two sliders 112 are movably sleeved on the outer surface of the bidirectional screw 102; it also includes: two U-shaped plates 104, both fixedly installed on the top of the two sliders 112, electric push rods 105 are fixedly installed on the upper ends of both sides of the two U-shaped plates 104, the electric push rods 105 are installed at an angle, the output ends of the electric push rods 105 pass through the U-shaped plates 104, and arc-shaped clamps 106 are fixedly installed on the output ends of the electric push rods 105, and anti-slip pads 1061 are fixedly installed on the outer surface of the arc-shaped clamps 106; and two arc-shaped support plates 111, both fixedly installed at the inner center of the two U-shaped plates 104.

[0033] The servo motor 103 is fixedly installed on one side of the table body 1. The output end of the servo motor 103 passes through the slide groove 101 and is connected to the bidirectional screw 102.

[0034] In this embodiment, the pipe fittings to be welded are placed inside two U-shaped plates 104. Arc-shaped support plates 111 are fixedly installed inside each U-shaped plate 104, which improves the stability of the pipe fittings. Then, two sets of electric push rods 105 drive the arc-shaped clamping plates 106 to move relative to or away from each other, which can be adjusted according to the size of the pipe fittings. The arc-shaped clamping plates 106 clamp and fix the pipe fittings. Anti-slip pads 1061 are fixedly installed on the outer surface of the arc-shaped clamping plates 106 to increase friction and prevent the pipe fittings from shaking during welding, thus affecting the welding effect. The two sets of electric push rods 105 are installed at an angle, thus better clamping and fixing the pipe fittings. Then, the servo motor 103 is turned on to drive the bidirectional screw 102 to rotate. The bidirectional screw 102 drives the U-shaped plates 104 to move relative to each other through two sliders 112, allowing the two pipe fittings to align and improving the fit at the joint.

[0035] Example 2, as Figure 1-4As shown, an annular plate 107 is fixedly installed at the center of the top of the table body 1. An annular groove 118 is formed on the inner surface of the annular plate 107, and a circular groove 116 is formed inside the annular groove 118. A toothed ring 117 is movably embedded inside the circular groove 116, and a circular plate 108 is movably embedded inside the annular groove 118. The circular plate 108 and the toothed ring 117 are fixedly connected. A fixing plate 113 is fixedly installed on the inner surface of the circular plate 108, and an electric telescopic rod 114 is fixedly installed on the outer surface of the fixing plate 113. A welding torch 115 is fixedly installed at one end of the telescopic rod 114; a through groove 121 is opened on the outer surface of the annular plate 107, and a U-shaped frame 109 is fixedly installed on the outer surface of the annular plate 107; a connecting shaft 120 is movably embedded inside the U-shaped frame 109, and a gear 119 is fixedly sleeved on the outer surface of the connecting shaft 120, and the gear 119 meshes with the gear ring 117; a drive motor 110 is fixedly installed on the outer surface of the U-shaped frame 109, and the output pipe of the drive motor 110 passes through the U-shaped frame 109 and is connected to the connecting shaft 120.

[0036] In this embodiment, the start-up drive motor 110 drives the gear 119 to rotate via the connecting shaft 120. The gear 119 drives the meshing gear ring 117 to rotate inside the annular groove 116. An annular plate 108 is fixedly installed on the inner surface of the gear ring 117. Therefore, the welding gun 115 is rotated and welded by the annular plate 108. The welding gun 115 is fixedly installed on the fixed plate 113 via the electric telescopic rod 114. The fixed plate 113 is fixedly installed on the inner surface of the annular plate 108. The rotation of the welding gun 115 driven by the annular plate 108 can weld the pipe fitting joint without rotating the pipe fitting, thus preventing the weld from breaking.

[0037] Working principle: During use, the pipe fittings to be welded are placed inside the two U-shaped plates 104. Arc-shaped support plates 111 are fixedly installed inside each U-shaped plate 104, improving the stability of the pipe fittings. Then, two sets of electric push rods 105 drive the arc-shaped clamping plates 106 to move relative to or away from each other, adjustable according to the size of the pipe fittings. The arc-shaped clamping plates 106 clamp and fix the pipe fittings. Anti-slip pads 1061 are fixedly installed on the outer surface of the arc-shaped clamping plates 106 to increase friction and prevent the pipe fittings from shaking during welding, thus affecting the welding effect. The two sets of electric push rods 105 are installed at an angle, thus providing better clamping and fixing of the pipe fittings. Then, the servo motor 103 is activated to drive the bidirectional screw 102 to rotate. The bidirectional screw 102 drives the U-shaped plate 104 to move relative to each other through two sliders 112, so that the two pipe fittings are connected and the fit at the joint is improved. The drive motor 110 is started and drives the gear 119 to rotate through the connecting shaft 120. The gear 119 drives the meshing gear ring 117 to rotate inside the annular groove 116. The annular plate 108 is fixedly installed on the inner surface of the gear ring 117. Therefore, the welding gun 115 is rotated and welded through the annular plate 108. The welding gun 115 is fixedly installed on the fixed plate 113 through the electric telescopic rod 114. The fixed plate 113 is fixedly installed on the inner surface of the annular plate 108. The rotation of the welding gun 115 driven by the annular plate 108 can weld the pipe fitting joint without rotating the pipe fitting, thus preventing the weld from breaking.

[0038] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A tube positioning and welding apparatus comprising: The utility model provides a table body (1), the outside surface center of top of table body (1) is equipped with the slide groove (101), the inside movable embedding of slide groove (101) is equipped with two -way screw rod (102), the outside surface movable cover of two -way screw rod (102) is equipped with two sliding blocks (112), characterized by further comprising: Two U -shaped boards (104) are fixedly installed on the top of two sliding blocks (112), two U -shaped boards (104) both sides upper end are all fixedly installed electric push rod (105), electric push rod (105) is inclinedly installed, and the output of electric push rod (105) penetrates U -shaped board (104), and the output of electric push rod (105) is fixedly installed arc clamping plate (106), and the outer surface of arc clamping plate (106) is fixedly installed antiskid pad (1061); Two arc shaped supporting plates (111) are fixedly installed at the inside center of two U -shaped boards (104); Servo motor (103) is fixedly installed on one side of table body (1), and the output of servo motor (103) penetrates slide groove (101) and is connected with two -way screw rod (102).

2. A tube positioning and welding apparatus according to claim 1, wherein: The top center of table body (1) is fixedly installed annular plate (107), and the inner surface of annular plate (107) is provided with annular groove (118), and the inside of annular groove (118) is provided with circular ring groove (116).

3. A tube location welding device according to claim 2, characterised in that: The inside movable embedding of circular ring groove (116) is equipped with gear ring (117), and the inside movable embedding of annular groove (118) is equipped with circular ring plate (108), and circular ring plate (108) is fixedly connected with gear ring (117).

4. A tube positioning and welding apparatus according to claim 3, wherein: The inner surface of circular ring plate (108) is fixedly installed fixed plate (113), and the outer surface of fixed plate (113) is fixedly installed electric telescopic rod (114), and one end of electric telescopic rod (114) is fixedly installed welding torch (115).

5. A tube positioning and welding apparatus according to claim 2, wherein: The outer surface of annular plate (107) is provided with through groove (121), and the outer surface of annular plate (107) is fixedly installed U -shaped frame (109).

6. A tube location welding apparatus according to claim 5, wherein: The inside movable embedding of U -shaped frame (109) is equipped with connecting shaft (120), and the outer surface of connecting shaft (120) is fixedly covered with gear (119), and gear (119) is engaged with gear ring (117).

7. A tube positioning and welding apparatus according to claim 5, wherein: The outer surface of U -shaped frame (109) is fixedly installed drive motor (110), and the output pipe of drive motor (110) penetrates U -shaped frame (109) and is connected with connecting shaft (120).