Welding machine for transformer processing

Abstract

The utility model belongs to transformer production equipment field especially relates to a welding machine for transformer processing. Including multi -freedom degree welding robot, its characterized in be still including truss, the multi -freedom degree welding robot walking sets up on truss, the multi -freedom degree welding robot below is provided with casing fixed establishment, the casing fixed establishment includes bottom plate and the workstation that lifts and set up above bottom plate, be provided with inner wall support seat on the bottom plate, set up at the top of the inner wall support seat and pass through the workstation, the top of inner wall support seat is provided with support cylinder, the utility model provides a welding machine for transformer processing, through the setting of truss, make multi -freedom degree welding robot form the mode of welding up and down, at the same time, utilize the setting of casing fixed establishment, realize the inside and outside fixed of transformer casing, thereby facilitate to carry out inside and outside welding to casing, realize the automatic operation of welding process.

Description

Technical Field

[0001] This utility model belongs to the field of transformer manufacturing equipment, and in particular relates to a welding machine for transformer processing. Background Technology

[0002] To ensure the sealing, structural strength, and electromagnetic compatibility of the transformer casing, and to meet the pressure and leakage prevention requirements during transformer operation, most existing transformer casings need to be welded.

[0003] During welding, workers use fixtures or foot braces / leg blocks to fix adjacent side plates of the transformer casing. After spot welding, the main welding is then performed. While this method can complete the welding of the transformer casing, the rapid development of automation technology and the application of welding robots have rendered traditional methods of fixing the transformer casing unsuitable for them. Therefore, how to effectively achieve automated welding is a problem that needs to be solved. Utility Model Content

[0004] This invention addresses the technical problems existing in how to cooperate with welding robots to achieve automated welding, and proposes a welding machine for transformer processing that is reasonably designed, simple in structure, easy to process, and can cooperate with welding robots to achieve automated welding.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: This utility model provides a welding machine for transformer processing, including a multi-degree-of-freedom welding robot and a truss. The multi-degree-of-freedom welding robot is mounted on the truss. A shell fixing mechanism is provided below the multi-degree-of-freedom welding robot. The shell fixing mechanism includes a base plate and a worktable that is lifted and lowered above the base plate. An inner wall support seat is provided on the base plate. The top of the inner wall support seat penetrates the worktable. A support cylinder is provided on the top of the inner wall support seat. The power end of the support cylinder faces the inner wall of the transformer shell. An outer wall fixing cylinder is also provided on the worktable. The power end of the outer wall fixing cylinder is connected to a push plate. The push plate faces the outer wall of the transformer shell.

[0006] Preferably, the worktable is square in shape, a guide optical axis is provided on the base plate, and linear bearings that cooperate with the guide optical axis are provided at the corners of the worktable.

[0007] Preferably, a lifting cylinder is provided on the base plate, the power end of the lifting cylinder is connected to the bottom of the worktable, the lifting cylinder is provided on both sides of the worktable, and the lifting cylinder is provided between two guide optical shafts.

[0008] Preferably, the multi-degree-of-freedom welding robots are spaced apart on the truss.

[0009] Compared with the prior art, the advantages and positive effects of this utility model are as follows: This utility model provides a welding machine for transformer processing. By setting up a truss, a multi-degree-of-freedom welding robot can form an upper and lower welding mode. At the same time, by using a shell fixing mechanism, the transformer shell can be fixed inside and outside, thereby facilitating the internal and external welding of the shell and realizing the automation of the welding process. Attached Figure Description

[0010] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the welding machine for transformer processing provided in Example 1; Figure 2 A schematic diagram of the housing fixing mechanism provided in Embodiment 1; In the above figures, 1. Truss; 2. Multi-degree-of-freedom welding robot; 3. Shell fixing mechanism; 31. Base plate; 311. Guide optical axis; 32. Inner wall support seat; 33. Support cylinder; 34. Worktable; 341. Linear bearing; 35. Outer wall fixing cylinder; 36. Push plate; 37. Lifting cylinder. Detailed Implementation

[0012] 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.

[0013] 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.

[0014] Example 1, such as Figure 1 , Figure 2 As shown, this embodiment aims to achieve automatic welding in conjunction with existing multi-degree-of-freedom welding robots. Therefore, the welding machine for transformer processing provided in this embodiment includes a multi-degree-of-freedom welding robot 2. The multi-degree-of-freedom welding robot is an existing mature product. In this embodiment, a five-degree-of-freedom welding robot is selected. Therefore, it will not be described in detail in this embodiment.

[0015] Considering that the transformer casings are all rectangular frames, robots alone cannot meet the needs of full welding. Therefore, a multi-degree-of-freedom welding robot 2 or a casing fixing mechanism is required for angle and position adjustment. Considering the size of the casing, if a multi-angle adjustable fixing mechanism is used, the fixing mechanism will be large in size, cumbersome to operate, and costly. Therefore, in this embodiment, a truss 1 is also provided. The truss 1 mainly includes columns and crossbeams set on the columns. Tracks and racks are set on the crossbeams. The multi-degree-of-freedom welding robot is mounted on a traveling carriage. The traveling carriage includes a mounting plate and a drive motor. The power end of the drive motor passes through the mounting plate and is fitted with gears that mesh with the rack. A slider is installed on the back of the mounting plate to cooperate with the track. In this way, the multi-degree-of-freedom welding robot 2 walks on the truss 1. At the same time, the multi-degree-of-freedom welding robot 2 is also at a high position.

[0016] Therefore, a shell fixing mechanism 3 is provided below the multi-degree-of-freedom welding robot 2. The shell fixing mechanism 3 includes a base plate 31 and a worktable 34 that is lifted and installed above the base plate 31. The main purpose of the base plate 31 is to facilitate the installation of the entire shell fixing mechanism 3. In this embodiment, the base plate 31 is fixed to the ground with bolts. In this embodiment, both the base plate 31 and the worktable 34 are square in design.

[0017] Guide shafts 311 are installed at the four corners of the base plate 31, and linear bearings 341 are installed at the four corners of the worktable 34. A lifting cylinder 37 is installed on the base plate 31, with its power end connected to the bottom of the worktable 34. The lifting cylinder 37 is positioned on both sides of the worktable 34, between the two guide shafts 311. This ensures the stability of the worktable 34 during lifting.

[0018] To support the transformer housing, an inner wall support seat 32 is provided on the base plate 31. The inner wall support seat 32 is generally rectangular prism-shaped. A through hole is provided on the worktable 34 to expose the inner wall support seat 32. The size of the through hole is slightly larger than the inner wall support seat 32 to allow for frictionless lifting and lowering of the worktable 34. The size of the through hole is slightly smaller than the transformer housing. At the same time, a support cylinder 33 is provided on the top of the inner wall support seat 32. The support cylinder 33 is a bidirectional cylinder. Since the transformer housing is square, two support cylinders 33 are provided in this embodiment, and they are arranged vertically. The power end of the support cylinder 33 faces the inner wall of the transformer housing. An inverted U-shaped mounting seat is provided on the top of the inner wall support seat 32 for mounting the upper support cylinder 33. A rubber pad is installed at the end of the power end of the support cylinder 33. In this way, the inner wall of the transformer housing is supported.

[0019] To stabilize the transformer casing, its outer wall needs to be supported. Therefore, an outer wall fixing cylinder 35 is installed on the workbench 34. The outer wall fixing cylinder 35 is located on the four sides of the workbench 34, and a support platform is installed at its bottom to raise the height of the outer wall fixing cylinder 35. Simultaneously, a push plate 36 is connected to the power end of the outer wall fixing cylinder 35, and the push plate 36 faces the outer wall of the transformer casing. A rubber pad is adhered to the side of the push plate 36 closest to the transformer casing. Furthermore, the width of the push plate 36 must be smaller than the width of the side plates of the transformer casing to meet the requirements of welding the side plate seams.

[0020] In practice, the staff places the side plates on the workbench 34. It is important to note that they should be placed opposite each other. This allows the support cylinder 33 and the outer wall fixing cylinder 35 to fix two of them first. After the other two are placed, the multi-degree-of-freedom welding robot 2 performs spot welding on the inner and outer walls of the welding area. Spot welding achieves the initial fixation between the side plates. Then, the outer wall weld is performed. After the welding is completed, the support cylinder 33 is reset, the workbench 34 rises, and the inner wall of the transformer housing is fully exposed. Then, the welding of the inner wall can be completed.

[0021] Because the welding process is lengthy, in order to improve work efficiency, the multi-degree-of-freedom welding robot 2 is spaced out on the truss 1.

[0022] 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 welding machine for transformer processing, comprising a multi-degree-of-freedom welding robot, characterized in that, It also includes a truss, on which the multi-degree-of-freedom welding robot walks. A shell fixing mechanism is provided below the multi-degree-of-freedom welding robot. The shell fixing mechanism includes a base plate and a worktable that is lifted and installed above the base plate. An inner wall support seat is provided on the base plate. The top of the inner wall support seat passes through the worktable. A support cylinder is provided on the top of the inner wall support seat. The power end of the support cylinder faces the inner wall of the transformer shell. An outer wall fixing cylinder is also provided on the worktable. The power end of the outer wall fixing cylinder is connected to a push plate. The push plate faces the outer wall of the transformer shell.

2. The welding machine for transformer processing according to claim 1, characterized in that, The worktable is square in shape, and a guide optical axis is provided on the base plate. Linear bearings that cooperate with the guide optical axis are provided at the corners of the worktable.

3. The welding machine for transformer processing according to claim 2, characterized in that, A lifting cylinder is provided on the base plate. The power end of the lifting cylinder is connected to the bottom of the worktable. The lifting cylinder is located on both sides of the worktable and between two guide optical shafts.

4. The welding machine for transformer processing according to claim 3, characterized in that, The multi-degree-of-freedom welding robots are spaced apart on the truss.

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