Connecting pipe welding device
By designing a slippery fixed structure and support part, the problem of unadjustable position of the welding head is solved, the stability and adaptability of the welding of the long-axle pump is achieved, and the long-axle pump of different lengths is adapted to long-axle pumps.
Patent Information
- Application Number
- CN202420814736.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-04-19
AI Technical Summary
In the prior art, the horizontal position of the welding head is not adjustable, resulting in unstable welding process.
A pipe welding device is designed, including a shell, a fixed structure, a welding part and a support part. The fixed structure and a support part slide along the length of the shell, and the welding part slides synchronously with the support part, and is connected through a U-shaped bracket to achieve flexible adjustment of the welding head and stable support of the long shaft pump.
The stability and flexibility of the welding process are achieved, adapted to long-axis pumps of different lengths, and ensured welding quality.
Smart Images
Figure CN223043882U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of long-shaft pump production equipment, in particular to a connecting pipe welding device. Background Technique
[0002] In order to meet the requirements in aspects such as strength, sealing performance, structural integrity, simplicity of installation and maintenance, space and weight saving, and corrosion resistance, welding of connecting pipes is required during the assembly of long-shaft pumps.
[0003] In order to ensure the stable placement of the long-shaft pump during the welding process, application No. 2020224893930 provides a connecting pipe welding device for the production of vertical long-shaft pumps. It fixes the long-shaft pump to be welded through the clamping plates on the support plate, and installs a welding head along the vertical direction through the mounting frame so that the welding head slides downward, thereby realizing the welding of the long-shaft pump located on the clamping plates. However, due to the different sizes of long-shaft pumps, the position of the clamping plates needs to be adjusted adaptively according to the lengths of different long-shaft pumps during welding. Sometimes, in order to facilitate welding, the position of the welding head also needs to be adjusted. At the same time, the welding position needs to be supported to ensure the stable progress of the welding process. Content of the Utility Model
[0004] Therefore, the technical problem to be solved by the utility model is the technical problem that the horizontal position of the welding head cannot be adjusted in the prior art.
[0005] The above technical object of the utility model is achieved through the following technical solutions:
[0006] A connecting pipe welding device includes a housing, a fixing structure, a welding part and a supporting part. Among them, the housing is used to support the fixing structure, the welding part and the supporting part. There are two fixing structures, and the two fixing structures are respectively used to support the long-shaft pump to be welded. The fixing structures are arranged oppositely, and both of the two fixing structures are slidably arranged along the length direction of the housing. The supporting part is located between the two fixing structures, and the supporting part is slidably arranged along the length direction of the housing. The welding part is located above the housing, the welding part is arranged pointing to the supporting part, and is slidably arranged synchronously with the supporting part.
[0007] Preferably, the housing is arranged as a cuboid housing with one end open, and a detachable cover plate is arranged on the top of the housing. The cover plate is fixed above the housing through bolts.
[0008] Preferably, chutes are provided on the side plate and the cover plate on the side of the housing away from the opening. The welding part includes a mounting frame. A horizontally arranged U-shaped bracket is provided on the mounting frame pointing to the side away from the opening. The opening of the U-shaped bracket points to the housing. Moreover, one arm of the U-shaped bracket is connected to the mounting frame, and the other arm of the U-shaped bracket passes through the chute below the housing for supporting the supporting part.
[0009] Preferably, a welding head is provided on the mounting frame. The welding head is vertically arranged and points downward. An electric push rod is arranged inside the mounting frame. The electric push rod is used to push the welding head to slide in the vertical direction.
[0010] Preferably, the supporting part points upward. The supporting part includes a vertically arranged fixing rod and a supporting tray. The supporting tray is arranged in an arc shape, and the arc opening points upward.
[0011] Preferably, two supporting trays are provided, and the two supporting trays are arranged at intervals.
[0012] For the above-mentioned pipe connection welding device, through the setting of the U-shaped bracket, the welding part and the supporting part are connected, so that the two can slide synchronously. Thus, during the welding process, the position of the welding part can be slid according to the welding position to adapt to different welding structures. At the same time, through the setting of the supporting part, the long shaft pump to be welded is supported, thereby ensuring the stability of the welding process. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 is a schematic diagram of the overall structure of the pipe connection welding device in an embodiment of the present invention;
[0014] Figure 2 is a top view of the pipe connection welding device in an embodiment of the present invention.
[0015] In the figure, 1. Housing; 11. Cover plate; 12. Chute; 13. Fixed groove; 2. Fixing structure; 21. Connecting rod; 342. Servo motor; 22. Fixing part; 221. Fixing plate; 222. Limiting plate; 3. Welding part; 31. Mounting frame; 32. Welding head; 33. Electric push rod; 34. U-shaped bracket; 341. Ball screw; 211. Driving motor; 4. Supporting part; 41. Fixing rod; 42. Supporting tray. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0016] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0017] A pipe connection welding device, please refer to Figure 1, used for welding the connecting pipe in the production process of a vertical long-axis pump, the welding device includes a shell 1, a fixed structure 2, a welding part 3 and a supporting part 4, wherein the shell 1 is used to support the fixed structure 2, the welding part 3 and the supporting part 4. In one embodiment, two fixed structures 2 are provided, and the two fixed structures 2 are respectively used to support the long-axis pump to be welded, the fixed structures 2 are arranged relatively to each other, and the two fixed structures 2 are both slidably arranged along the length direction of the shell 1, the supporting part 4 is located between the two fixed structures 2, the supporting part 4 is slidably arranged along the length direction of the shell 1, and the welding part 3 is located above the shell 1. In one embodiment, the welding part 3 is arranged to point to the supporting part 4 and is slidably arranged synchronously with the supporting part 4.
[0018] See also Figure 1 and Figure 2 The shell 1 is a rectangular shell 1 with an opening at one end. A detachable cover plate 11 is arranged on the top of the shell 1. The cover plate 11 is fixed on the top of the shell 1 by bolts. A covering part (not shown in the figure) is fixed on the opening side of the shell 1. The covering part is a plate with dark glass embedded in the middle. Through the setting of the dark glass, during the welding process, not only the welding part 3 can be covered but also it can be easily checked.
[0019] The side plate and the cover plate 11 of the housing 1 facing away from the covering part are provided with a slide groove 12, which is used for the sliding of the support part 4 and the welding part 3. The bottom of the housing 1 is provided with a fixing groove 13, which is used for the sliding of the fixing structure 2.
[0020] In one embodiment, see Figure 1 and Figure 2 The two fixing structures 2 respectively include a connecting rod 21 and a fixing portion 22, wherein the two connecting rods 21 are vertically arranged, and the two fixing portions 22 are arranged on opposite sides of the two connecting rods 21, wherein the fixing portion 22 includes a fixing plate 221 and a limiting plate 222 parallel to the fixing plate 221, and the limiting plate 222 slides vertically in the vertical direction. In one embodiment, the fixing plate 221 and the limiting plate 222 are arranged in an arc shape, and the arcs point to opposite directions. A fixing bolt is arranged on the fixing plate 221, and one end of the fixing bolt is rotatably fixed on the limiting plate 222. The fixing bolt is also provided with a fixing nut that abuts against the top of the fixing plate 221.
[0021] In one embodiment, the fixing part 22 is rotatably arranged at the top of the connecting rod 21. Specifically, a rotating plate is arranged at one end of the fixing part 22 pointing to the connecting rod 21. The fixing plate 221 is fixedly arranged with the rotating plate. The limiting plate 222 is slidably arranged on the rotating plate. And a convex part and a concave part that match each other are arranged between the limiting plate 222 and the rotating plate. A rotating shaft is arranged on the side of the rotating plate pointing to the connecting rod 21. One of the rotating shafts extends outwards. And the rotating shaft is controlled by a gearbox and a rotating motor to realize rotation. Regarding the rotational setting, it has been described in the previous document, so it is not specifically shown in the figure.
[0022] The connecting rod 21 is slidably arranged in the fixed groove 13. In one embodiment, a servo motor 342 is arranged on the connecting rod 21. The connecting rod 21 is driven by the servo motor 342 to realize the sliding of the connecting rod 21 in the length direction of the housing 1.
[0023] Please refer to Figure 1 , the welding part 3 includes a mounting frame 31. The main part of the mounting frame 31 is above the cover plate 11. A welding head 32 is arranged on the mounting frame 31. The welding head 32 is arranged vertically and points downwards. An electric push rod 33 is arranged in the mounting frame 31. The electric push rod 33 is used to push the welding head 32 to slide in the vertical direction. The mounting frame 31 is slidably arranged along the chute 12 on the cover plate 11. In one embodiment, a horizontally arranged U-shaped bracket 34 is arranged on the side of the mounting frame 31 pointing away from the covering part. The opening of the U-shaped bracket 34 points to the housing 1. And one arm of the U-shaped bracket 34 is connected to the mounting frame 31. The other arm of the U-shaped bracket 34 passes through the chute 12 below the housing 1 and slides along the length direction of the chute 12. A driving motor 211 and a ball screw 341 are arranged on one side of the U-shaped bracket 34. The U-shaped bracket 34 is made to slide along the length direction of the chute 12 through the arrangement of the driving motor 211 and the ball screw 341.
[0024] The supporting part 4 is located on the side arm below one side of the U-shaped bracket 34. And the supporting part 4 points upwards. The supporting part 4 includes a vertically arranged fixing rod 41 and a supporting tray 42. The supporting tray 42 is arranged in an arc shape. And the arc opening points upwards. There are two supporting trays 42. The two supporting trays 42 are arranged at intervals. The interval between the two supporting trays 42 corresponds to the welding head 32 above.
[0025] A takeover welding device provided in this application connects the welding part 3 and the support part 4 through the setting of the U-shaped bracket 34, enabling the two to slide synchronously. Thus, during the welding process, the position of the welding part 3 can be slid according to the welding position to adapt to different welding structures. At the same time, through the setting of the support part 4, the long-axis pump to be welded is supported, thereby ensuring the stability of the welding process.
Claims
1. A pipe welding device, characterized in that: It includes a shell, a fixed structure, a welding part and a supporting part, wherein the shell is used to support the fixed structure, the welding part and the supporting part, the fixed structures are provided with two, and the two fixed structures are respectively used to support the long-axis pump that needs to be welded, the fixed structures are arranged relatively to each other, and the two fixed structures are both slidably arranged along the length direction of the shell, the supporting part is located between the two fixed structures, the supporting part is slidably arranged along the length direction of the shell, the welding part is located above the shell, the welding part is arranged pointing to the supporting part, and is slidably arranged synchronously with the supporting part.
2. A pipe welding device according to claim 1, characterized in that: The shell is in the form of a rectangular parallelepiped shell with one end open, and a detachable cover plate is arranged on the top of the shell, and the cover plate is fixed on the top of the shell by bolts.
3. A pipe welding device according to claim 2, characterized in that: The shell is provided with a slide groove on the side plate and the cover plate on the side facing away from the outlet, the welding part includes a mounting frame, and the mounting frame is provided with a transversely arranged U-shaped bracket on the side facing away from the outlet, the opening of the U-shaped bracket is arranged to point to the shell, and one arm of the U-shaped bracket is connected to the mounting frame, and the other arm of the U-shaped bracket passes through the slide groove below the shell for supporting the supporting part.
4. A pipe welding device according to claim 3, characterized in that: The mounting frame is provided with a welding head, which is vertically arranged and points downwards. An electric push rod is arranged inside the mounting frame, and the electric push rod is used to push the welding head to slide in the vertical direction.
5. A pipe welding device according to claim 4, characterized in that: The support portion points upwards and comprises a vertically arranged fixing rod and a support tray. The support tray is arranged in an arc shape, and the arc-shaped opening points upwards.
6. A pipe welding device according to claim 5, characterized in that: Two support trays are provided, and the two support trays are arranged at an interval.