Novel special-shaped part welding tool

By designing new special-shaped parts welding tooling, using intermediate hollow structure and detachable positioning plate, the problems of large positioning errors and thermal shrinkage and deformation of welding during the welding process of wind turbines are solved, and the stability and efficiency of welding are improved.

CN222643609UActive Publication Date: 2025-03-21ANHUI TELMA TECH LTD
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Patent Information

Application Number
CN202420931128.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-03-21
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

During the welding process of special-shaped parts of wind turbines, there are problems such as large positioning error, deformation after heat shrinkage of welding, insufficient parallelism at the upper and lower levels, long shaping, and low efficiency.

Method used

A new type of special-shaped parts welding tooling is designed. The workpiece and rib plate are welded into a whole through the tooling, and the intermediate hollow structure and a detachable positioning plate are adopted to achieve limiting and stable positioning of the workpiece, avoiding the limitations of the welding gun angle and the thermal shrinkage and deformation of the welding.

Benefits of technology

It effectively avoids the inability to form the weld beads in one-time and the heat shrinkage deformation of the welding, improves the stability and efficiency of welding, and simplifies the shaping process of the workpiece.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel special-shaped piece welding tool, which relates to the field of welding, is used for welding a first workpiece, a second workpiece, a third workpiece and a plurality of rib plates into a whole, and comprises a bottom plate, the bottom plate is connected with a fixing table, and the fixing table is connected with a first positioning plate through a hanging clamp. One end of the first positioning plate is connected with a first workpiece, the other end of the first positioning plate is connected with a second positioning plate arranged in the vertical direction, an assembling assembly is connected between the first positioning plate and the second positioning plate, the first positioning plate and the second positioning plate limit the first workpiece and the second workpiece respectively, and the overall outline shape is matched with the inner side parts of the first positioning plate and the second positioning plate. The bottom of the first positioning plate abuts against the top of a third workpiece, and the third workpiece is connected with a positioning assembly. The tool has the advantages that the tool is of a hollow structure, the situation that a welding bead cannot be formed at a time due to angle limitation of a welding gun can be avoided, meanwhile, welding heat shrinkage deformation is avoided, and welding stability is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a novel welding tool for special-shaped parts. Background Art

[0002] A wind turbine is an electric device that converts wind energy into mechanical work, which drives the rotor to rotate and finally outputs alternating current. The frame of the wind turbine needs to be welded. Figure 5 For one of the welding products, since the product is a special-shaped part and has a bending angle, the positioning error is large during conventional welding and riveting. On the other hand, it is deformed after welding heat shrinkage, resulting in insufficient parallelism of the upper and lower surfaces. The shaping of the finished welding product is time-consuming and inefficient. Based on the above reasons, this application designs a new type of special-shaped welding tooling. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a novel welding tool for special-shaped parts.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A novel welding tool for special-shaped parts is used to weld workpiece one, workpiece two, workpiece three and multiple rib plates into a whole, including a base plate, the base plate is connected to a fixed platform, the fixed platform is connected to a positioning plate one through a hanging clamp, the other end of the positioning plate one is connected to a positioning plate two arranged in a vertical direction, an assembly component is connected between the positioning plate one and the positioning plate two, the positioning plate one and the positioning plate two respectively limit the workpiece one and the workpiece two, and the outer contour shape of the whole matches the inner side parts of the positioning plate one and the positioning plate two, the bottom of the positioning plate one is against the top of the workpiece three, and the workpiece three is connected to a positioning component.

[0006] Preferably, the assembly component includes a connecting groove opened on the top of the positioning plate 2, a mounting bolt is inserted in the connecting groove, the part of the mounting bolt located in the connecting groove is connected to a nut, and inner grooves matching the nuts are opened on both sides of the connecting groove, the bolt is connected to a mounting plate and the mounting plate is located between the positioning plate 1 and the positioning plate 2, a rotating rod is inserted jointly between the positioning plate 1 and the mounting plate and the bottom of the rotating rod is fixedly connected to the mounting bolt.

[0007] Preferably, the second positioning plate is connected to a plurality of limiting grooves that cooperate with the second workpiece, and the number of the limiting grooves is not less than two.

[0008] Preferably, the positioning assembly includes two limit pins, the two limit pins are fixed on the base plate, and two connecting holes cooperating with the limit pins are formed in the workpiece, and the position of the workpiece is limited by the two connecting holes.

[0009] Preferably, the top of the second positioning plate is connected to two protrusions, and the two protrusions are connected to the recesses provided in the mounting plate.

[0010] Preferably, a pressure plate is inserted into one of the connection holes, a clamping bolt is connected to the pressure plate, and the clamping bolt passes through the top of the limit pin and is threadedly connected to the limit pin.

[0011] Compared with the prior art, the utility model has the following advantages: the tooling adopts a hollow structure in the middle, which can prevent the welding bead from being unable to be formed in one time due to the angle limitation of the welding gun, and at the same time avoid welding heat shrinkage deformation by means of internal limit; and the positioning plate 1 and the positioning plate 2 adopt a detachable structure, which is convenient for the assembly and disassembly of the tooling and improves the stability of the workpiece during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model discloses a structural schematic diagram of a new type of special-shaped parts welding tool during product welding.

[0013] Figure 2 The utility model discloses a structural schematic diagram of a new type of special-shaped parts welding tool.

[0014] Figure 3 A schematic diagram of the structure of the assembly components in a new type of special-shaped welding tooling proposed by the utility model

[0015] Figure 4 The utility model discloses a structural schematic diagram of a bottom plate in a novel welding tool for special-shaped parts.

[0016] Figure 5 The utility model discloses a structural schematic diagram of a product in a novel welding tool for special-shaped parts.

[0017] In the figure: 100 workpiece 1, 200 workpiece 2, 300 workpiece 3, 400 rib plate, 1 bottom plate, 2 fixed table, 3 hanging clamp, 4 positioning plate 1, 5 positioning plate 2, 6 assembly component, 61 connecting groove, 62 mounting bolt, 63 nut, 64 inner groove, 65 mounting plate, 66 rotating rod, 67 convex part, 68 concave part, 7 positioning component, 71 limit pin, 72 connecting hole, 73 pressure plate, 74 clamping bolt, 8 limit groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] like Figure 1-5As shown, a new type of special-shaped parts welding tool is used to weld workpiece 100, workpiece 200, workpiece 300 and multiple rib plates 400 into a whole, including a base plate 1, the base plate 1 is connected to a fixed table 2, the fixed table 2 is connected to a positioning plate 1 4 through a hanging clamp 3, the other end of the positioning plate 1 4 is connected to a positioning plate 2 5 set in the vertical direction, the positioning plate 2 5 is connected to multiple limiting grooves 8 that cooperate with the workpiece 2 200, the number of the limiting grooves 8 is not less than two, an assembly component 6 is connected between the positioning plate 1 4 and the positioning plate 2 5, the positioning plate 1 4 and the positioning plate 2 5 limit the workpiece 100 and the workpiece 2 200 respectively, and the overall outer contour shape matches the inner part of the positioning plate 1 4 and the positioning plate 2 5, the bottom of the positioning plate 1 4 is against the top of the workpiece 3 300, and the workpiece 3 300 is connected to a positioning component 7.

[0020] The assembly component 6 includes a connecting groove 61 opened on the top of the positioning plate 2 5, and a mounting bolt 62 is inserted in the connecting groove 61. The part of the mounting bolt 62 located in the connecting groove 61 is connected with a nut 63. Inner grooves 64 cooperating with the nut 63 are opened on both sides of the connecting groove 61. The bolt 62 is connected to a mounting plate 65 and the mounting plate 65 is located between the positioning plate 1 4 and the positioning plate 2 5. The positioning plate 1 4 and the mounting plate 65 are jointly inserted with a rotating rod 66 and the bottom of the rotating rod 66 is fixedly connected to the mounting bolt 62. Two protrusions 67 are connected to the top of the positioning plate 2 5 and are matched with the recessed portion 68 opened in the mounting plate 65 through the two protrusions 67. The assembly component 6 assembles the positioning plate 1 4 and the positioning plate 5 through the mounting plate 65, which can facilitate the assembly process of the tooling, and at the same time, it is also convenient to disassemble the tooling after the processing is completed and the welding is completed.

[0021] The positioning assembly 7 includes two limit pins 71, which are fixed on the base plate 1. There are two connecting holes 72 in the workpiece three 300 that cooperate with the limit pins 71. The position of the workpiece three 300 is limited by the two connecting holes 72. A pressure plate 73 is inserted in one of the connecting holes 72. A clamping bolt 74 is connected to the pressure plate 73. The clamping bolt 74 passes through the top of the limit pin 71 and is threadedly connected to the limit pin 71. In this way, the workpiece three 300 can be positioned by the pressure plate 73.

[0022] When the utility model is in use, the positioning plate 1 4 and the positioning plate 2 5 are connected by the assembly component 6, and the workpiece 100 and the workpiece 2 200 are limited respectively. At the same time, the position of the workpiece 3 300 is limited by the positioning component 7, so as to realize the positioning of various parts of the welded parts, and then the workpiece 100 and the workpiece 2 200 are welded and assembled by the rib plate 400. The tooling adopts a structure with a hollow middle, which can not only limit the workpiece, but also prevent the welding bead from being unable to be formed in one time due to the angle limitation of the welding gun. At the same time, the internal limit method is used to avoid welding heat shrinkage deformation, which is convenient for use.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel welding tool for special-shaped parts, through which workpiece 1 (100), workpiece 2 (200), workpiece 3 (300) and a plurality of rib plates (400) are welded into a whole, characterized in that: The invention comprises a base plate (1), wherein the base plate (1) is connected to a fixed platform (2), wherein the fixed platform (2) is connected to a positioning plate (4) via a hanging clamp (3), wherein the other end of the positioning plate (4) is connected to a positioning plate (5) arranged in a vertical direction, wherein an assembly component (6) is connected between the positioning plate (4) and the positioning plate (5), wherein the positioning plate (4) and the positioning plate (5) respectively limit the position of the workpiece (100) and the workpiece (200), and wherein the overall outer contour matches the inner side of the positioning plate (4) and the positioning plate (5), wherein the bottom of the positioning plate (4) abuts against the top of the workpiece (300), and the workpiece (300) is connected to a positioning component (7).

2. According to claim 1, the new type of special-shaped parts welding tool is characterized by: The assembly component (6) includes a connecting groove (61) provided at the top of the second positioning plate (5), a mounting bolt (62) being inserted into the connecting groove (61), a portion of the mounting bolt (62) located in the connecting groove (61) being connected to a nut (63), inner grooves (64) cooperating with the nut (63) being provided on both sides of the connecting groove (61), the bolt (62) being connected to a mounting plate (65) and the mounting plate (65) being located between the first positioning plate (4) and the second positioning plate (5), a rotating rod (66) being inserted into the first positioning plate (4) and the mounting plate (65) and the bottom of the rotating rod (66) being fixedly connected to the mounting bolt (62).

3. According to claim 1, the new type of special-shaped parts welding tool is characterized by: The second positioning plate (5) is connected to a plurality of limiting grooves (8) that cooperate with the second workpiece (200), and the number of the limiting grooves (8) is not less than two.

4. The novel welding tool for special-shaped parts according to claim 1 is characterized in that: The positioning assembly (7) includes two limit pins (71), which are fixed on the base plate (1). Two connecting holes (72) cooperating with the limit pins (71) are provided in the workpiece three (300), and the position of the workpiece three (300) is limited by the two connecting holes (72).

5. The novel welding tool for special-shaped parts according to claim 2 is characterized in that: The top of the second positioning plate (5) is connected with two protrusions (67) and is matched and connected with a recess (68) provided in the mounting plate (65) through the two protrusions (67).

6. The novel welding tool for special-shaped parts according to claim 4 is characterized in that: A pressure plate (73) is inserted into one of the connection holes (72), a clamping bolt (74) is connected to the pressure plate (73), and the clamping bolt (74) passes through the top of the limiting pin (71) and is threadedly connected to the limiting pin (71).