Narrow-spacing tube plate welding device
By designing a narrow-pitch tube-sheet welding device and utilizing a combination of connecting tubes and positioning tubes, efficient rotary welding of the welding gun head between dense tubes and plates is achieved, solving the problem of difficult positioning of the welding gun head in the existing technology and improving welding efficiency.
Patent Information
- Application Number
- CN202422561079.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-23
AI Technical Summary
When welding dense pipes and plates, the existing welding gun head is difficult to accurately position due to space limitations, resulting in low welding efficiency.
A narrow-pitch tube-sheet welding device was designed, which includes a welding part, a connecting pipe and a control part. Through the setting of the connecting pipe and the positioning pipe, the welding gun head rotates around the welding point to achieve efficient welding of dense tubes and plates.
It improves the working efficiency of welding dense pipes and plates, simplifies the operation process, and enhances the convenience of welding.
Smart Images
Figure CN223368544U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a tube plate welding device, in particular to a narrow-spacing tube plate welding device. Background Art
[0002] The main application scenario of the tube-to-sheet welding machine is the welding of pipe fittings and plates, especially the scenario when dense pipe fittings are welded on the same plate. In such a scenario, the welding gun head needs to complete the precise positioning of the welding point in a narrow space, and complete the welding of the pipe fittings without being disturbed by various pipe fittings in the use environment. However, the components of the welding gun head are often relatively large, and the spacing between the pipe fittings is too small, which makes it impossible for the welding gun head to easily reach the welding point. Therefore, this application proposes a solution to this demand. Summary of the Invention
[0003] Purpose of the utility model: The purpose of the utility model is to provide a narrow-pitch tube-sheet welding device, which can be suitable for scenarios where dense pipes are welded on the same plate, so that users can quickly complete the welding work and improve work efficiency.
[0004] Technical solution: The narrow-pitch tube-sheet welding device described in the present invention includes a welding part, a connecting pipe and a control part. The connecting pipe is a hollow cylindrical cavity. A positioning pipe concentric with the connecting pipe is arranged inside the connecting pipe. A welding part is arranged on the inner periphery of one end of the connecting pipe, and the other end of the connecting pipe is connected to the control part. One end of the positioning pipe is connected to the control part, and the other end is connected to the welding part. The connecting pipe, positioning pipe and welding part are all arranged concentrically with the pipe to be welded.
[0005] Preferably, the welding part includes a welding gun mounting seat, a welding positioning block and a welding gun head. The welding gun mounting seat and the welding positioning block are fixedly connected in sequence along the direction of the welding point. The center positions of the welding gun mounting seat and the welding positioning block are reserved with cavities for the welded pipe fittings to pass through. The welding positioning block is provided with a slot on the end face facing the welding point, and the welding gun head is provided in the slot, and the welding gun head faces the welding point.
[0006] Preferably, a plurality of through holes along the axial direction of the welding gun mounting seat and the welding positioning block are reserved at the same position in the welding gun mounting seat and the welding positioning block.
[0007] Preferably, the inner diameter of the positioning tube is smaller than the inner diameter of the welding gun mounting seat and the central cavity of the welding positioning block and is larger than the outer diameter of the pipe to be welded.
[0008] Preferably, a water pipe is provided in the connecting pipe, and the water pipe is located in the interlayer between the connecting pipe and the positioning pipe, one end of the water pipe is connected to the welding part, and the other end is connected to the control part.
[0009] Preferably, an air pipe is further provided inside the connecting pipe, and the air pipe is located in the interlayer between the connecting pipe and the positioning pipe, one end of the air pipe is connected to the welding part, and the other end is connected to the control part.
[0010] Preferably, the control part includes a mounting flange, a protective ring and a water flow block. The end face of one side of the mounting flange is fixedly connected to the connecting pipe and the positioning pipe in the connecting pipe. The end face of the other side is provided with a protective ring. The protective ring is provided with a water flow block and multiple through holes connected to the inside of the connecting pipe.
[0011] Beneficial effects: Compared with the prior art, the present invention has the following advantages:
[0012] The utility model further reduces the space occupied by the welding gun head by setting the welding part surrounding the pipe fitting compared to the conventional welding gun head. Through the setting of the connecting pipe, the welding part can be sent to the point where longer pipe fittings and plates are to be welded, thereby facilitating the operator to complete the welding of dense pipe fittings and plates and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model during the welding process.
[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model after removing the connecting pipe.
[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the welding positioning block of the utility model.
[0016] Among them: 100, welding part; 200, connecting pipe; 300, control part; 400, positioning pipe; 500, pipe fitting; 600, plate; 101, welding gun mounting seat; 102, welding positioning block; 103, welding gun head; 104, slotting; 105, perforation; 201, water pipe; 301, mounting flange; 302, retaining ring; 303, water block; 304, through hole. DETAILED DESCRIPTION
[0017] The technical solution of the present utility model will be further described below with reference to the accompanying drawings.
[0018] See attached Figures 1 to 3, the narrow spacing tube-sheet welding device shown in the present invention includes a welding part 100, a connecting pipe 200 and a control part 300, wherein the connecting pipe 200 is a hollow cylindrical cavity, and a positioning pipe 400 concentric with the connecting pipe 200 is arranged inside the connecting pipe 200, the welding part 100 is arranged on the inner periphery of the left end of the connecting pipe 200, and the right end is connected to the control part 300, while the left end of the positioning pipe 400 is connected to the welding part 100, and the right end is connected to the control part 300, and the connecting pipe 200, the positioning pipe 400, the welding part 100 and the pipe fitting 500 to be welded are concentrically arranged.
[0019] In this embodiment, the welding part 100 includes a welding gun mounting seat 101, a welding positioning block 102 and a welding gun head 103. The welding gun mounting seat 101 and the welding positioning block 102 are fixedly connected in sequence along the direction toward the welding point. The center positions of the welding gun mounting seat 101 and the welding positioning block 102 are reserved with cavities for the pipe 500 to be welded to pass through. A groove 104 is provided on the end face of the welding positioning block 102 facing the welding point, and a welding gun head 103 is provided in the groove 104, and the welding gun head 103 faces the welding point.
[0020] In this embodiment, a plurality of through holes 105 along the axial direction of the welding gun mounting seat 101 and the welding positioning block 102 are reserved at the same position in the welding gun mounting seat 101 and the welding positioning block 102. The plurality of through holes 105 are provided for the insertion of the water pipe 201 and the air pipe in the welding gun.
[0021] In this embodiment, the inner diameter of the positioning tube 400 is smaller than the inner diameter of the central cavity of the welding gun mounting base 101 and the welding positioning block 102 and is larger than the outer diameter of the pipe to be welded. This arrangement ensures that after the pipe to be welded is inserted into the connecting pipe 200, it is inserted into the positioning tube 400 to complete the positioning. At the same time, there is still enough space reserved between the positioning tube 400 and the connecting pipe 100 to set the water pipe 201 and the air pipe 202.
[0022] In this embodiment, a water pipe 201 is provided in the connecting pipe 200. The water pipe 201 is located in the interlayer between the connecting pipe 200 and the positioning pipe 400. One end of the water pipe 201 is connected to the welding part 100, and the other end is connected to the control part 300. The setting of the water pipe 201 facilitates the delivery of circulating cooling water to cool the entire welding gun to prevent overheating.
[0023] In this embodiment, an air pipe is further provided inside the connecting tube 200 . The air pipe is located in the interlayer between the connecting tube 200 and the positioning tube 400 . One end of the air pipe is connected to the welding part 100 , and the other end is connected to the control part 300 .
[0024] In this embodiment, the control unit 300 includes a mounting flange 301, a protective ring 302 and a water block 303. The end face of one side of the mounting flange 301 is fixedly connected to the connecting pipe 200 and the positioning pipe 400 in the connecting pipe 200. The end face of the other side is provided with a protective ring 302. The protective ring 302 is provided with a water block 303 and a plurality of through holes 304 connected to the inside of the connecting pipe. The through holes 304 are used for the extension of the air pipe to connect to the external gas cylinder, and the water block 303 is used for the extension of the water pipe 201 to connect to the external cooling water source.
[0025] When the present application is in operation, the operator only needs to align the cavity reserved in the center of the welding positioning block 102 in the welding part 100 with the pipe 500 to be welded, and then extend the entire device along the pipe to be welded to the welding position of the pipe 500 and the plate 600, and then perform conventional welding operations. During the welding operation, the rotation of the mounting flange 301 is controlled to drive the connecting pipe 200 to rotate, and then drive the welding part 100 to rotate, and finally the welding gun head 103 in the welding part 100 rotates around the welding point to complete the welding work.
Claims
1. A narrow pitch tube sheet welding device, characterized by: It includes a welding part, a connecting pipe and a control part. The connecting pipe is a hollow cylindrical cavity. A positioning pipe concentric with the connecting pipe is arranged inside the connecting pipe. A welding part is arranged on the inner circumference of one end of the connecting pipe. The other end of the connecting pipe is connected to the control part. One end of the positioning pipe is connected to the control part, and the other end is connected to the welding part. The connecting pipe, positioning pipe and welding part are all arranged concentrically with the pipe to be welded.
2. The narrow pitch tube-sheet welding device according to claim 1, characterized in that: The welding part includes a welding gun mounting seat, a welding positioning block and a welding gun head. The welding gun mounting seat and the welding positioning block are fixedly connected in sequence along the direction of the welding point. The center positions of the welding gun mounting seat and the welding positioning block are reserved with cavities for the welded pipe fittings to pass through. A slot is provided on the end surface of the welding positioning block facing the welding point. The welding gun head is provided in the slot, and the welding gun head faces the welding point.
3. The narrow pitch tube-sheet welding device according to claim 2, characterized in that: A plurality of through holes along the axial direction of the welding gun mounting seat and the welding positioning block are reserved at the same position in the welding gun mounting seat and the welding positioning block.
4. The narrow pitch tube-sheet welding device according to claim 2, characterized in that: The inner diameter of the positioning tube is smaller than the inner diameter of the welding gun mounting seat and the central cavity of the welding positioning block and is larger than the outer diameter of the pipe to be welded.
5. The narrow pitch tube-sheet welding device according to claim 1, characterized in that: A water pipe is provided in the connecting pipe. The water pipe is located in the interlayer between the connecting pipe and the positioning pipe. One end of the water pipe is connected to the welding part, and the other end is connected to the control part.
6. The narrow pitch tube-sheet welding device according to claim 1, characterized in that: An air pipe is further provided inside the connecting pipe. The air pipe is located in the interlayer between the connecting pipe and the positioning pipe. One end of the air pipe is connected to the welding part, and the other end is connected to the control part.
7. The narrow pitch tube-sheet welding device according to claim 1, characterized in that: The control part includes a mounting flange, a guard ring and a water flow block. The end face of one side of the mounting flange is fixedly connected to the connecting pipe and the positioning pipe in the connecting pipe. The end face of the other side is provided with a guard ring. The guard ring is provided with a water flow block and multiple through holes connected to the inside of the connecting pipe.