An iron inserting and welding process method and auxiliary tooling for circular yoke manufacturing

Abstract

The present invention relates to an iron inserting and welding process method for manufacturing a circular iron yoke. A number of radially movable T-shaped sliders are distributed on a winding workbench, and auxiliary tooling is installed on the T-shaped sliders. The T-shaped sliders are used to realize the radial movement of the auxiliary tooling on the winding workbench, so that the auxiliary tooling abuts against long silicon steel sheets. The auxiliary tooling is used to replace manual pressing of the silicon steel sheets. No matter how large the diameter of the winding machine for manufacturing the circular iron yoke is and how high the surface of the winding workbench is, the operation can be facilitated, and the advancement of the iron inserting and welding process method for manufacturing the circular iron yoke is greatly improved. The present invention also relates to an auxiliary tooling for iron inserting and welding in the manufacture of a circular iron yoke. Applying the aforementioned iron inserting and welding process method, it includes a sector plate and an L-shaped plate. The sector plate is installed on the T-shaped slider, and the L-shaped plate is installed on the upper surface of the sector plate. The present invention is simply designed and convenient to operate, facilitating the manufacture of the circular iron yoke, improving work efficiency, and ensuring safe production.

Description

Technical Field

[0001] The present invention belongs to the technical field of reactor production and manufacturing, and particularly relates to an iron insertion welding process method and an auxiliary tooling for making the circular yoke of a reactor. Background Art

[0002] The circular yoke of the delta-connected shunt reactor is composed of an inner yoke ring, a middle ring and an outer ring. When making the middle ring, it is necessary to first insert the positioning cylinder into the moving slider of the winding workbench and press it tightly against the outermost silicon steel sheet of the inner ring after winding. Place approximately three sections of filling material in the middle of the positioning cylinder, align the materials symmetrically and then surround them along the circumference. First, roughly tighten the three sections of filling material along the center with a 75-mm-wide tightening belt, and then insert a long silicon steel sheet into the tightening belt. The long silicon steel sheet wraps the three sections of filling material. Move the tightening belt tied in the center down to the edge to be flush with the winding workbench, and then tie another 75-mm-wide tightening belt around the upper part of the long silicon steel sheet. Smooth the tightening sheet surrounding the three sections of filling material, and weld the silicon steel sheet with an argon arc welder. First, weld the middle position, then loosen the upper tightening belt and weld each solder joint at the upper end. After welding is completed, perform the same operation on the lower tightening belt. When welding after surrounding the long silicon steel sheet and loosening the tightening belt, the long silicon steel sheet will have obvious springback, and it is necessary for the operator to manually hold the long silicon steel sheet. Moreover, the diameter of the winding machine for making the circular yoke is large, and the surface of the winding workbench is high, so it is very inconvenient for manual pressing of the silicon steel sheet and there are potential safety hazards. Summary of the Invention

[0003] In order to solve the above technical problems, the present invention provides an iron insertion welding process method and an auxiliary tooling for making a circular yoke. The technical solutions adopted by the present invention are as follows:

[0004] An iron insertion welding process method for making a circular yoke includes the following steps:

[0005] There are several T-shaped sliders that can move radially on the winding workbench. An auxiliary tooling is installed on the T-shaped sliders, and the radial movement of the auxiliary tooling on the winding workbench is realized by using the T-shaped sliders, so that the auxiliary tooling abuts against the long silicon steel sheet. Using the auxiliary tooling to replace manual pressing of the silicon steel sheet, no matter how large the diameter of the winding machine for making the circular yoke is and how high the surface of the winding workbench is, the operation can be convenient, and the advancement of the iron insertion welding process method for making the circular yoke is greatly improved.

[0006] An iron inserting and welding auxiliary tooling for the production of a circular iron yoke, which applies the aforementioned iron inserting and welding process method for the production of a circular iron yoke, includes: a sector plate and an L-shaped plate. The outer dimensions of the sector plate are designed according to the outer diameter of the circular winding workbench. A circular through-hole is opened at the center position of the sector plate. The second hexagon head bolt passes through the circular through-hole to install the sector plate on the T-shaped slider of the winding workbench. Arc-shaped long through-holes are opened on both sides of the circular through-hole of the sector plate. A long through-hole is opened on the lower bottom plate of the L-shaped plate. The arc-shaped long through-hole of the sector plate intersects with the long through-hole of the L-shaped plate, and the included angle can be adjusted according to the diameter of the circular iron yoke. The first hexagon head bolt passes through the long through-hole and the arc-shaped long through-hole to install the L-shaped plate on the upper surface of the sector plate; washers are arranged at the heads of the first hexagon head bolt and the second hexagon head bolt, and a reinforcing rib is arranged at the right angle of the L-shaped plate.

[0007] The beneficial effects of the present invention:

[0008] The iron inserting and welding process method and the auxiliary tooling of the present invention are simply designed and convenient to operate. When surrounding the long silicon steel sheets in the middle ring and welding, they can hold the long silicon steel sheets firmly, can reliably control the springback of the long silicon steel sheets, can facilitate the production of the circular iron yoke, improve work efficiency, and ensure safe production. Description of the Drawings

[0009] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some specific embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings within the scope of protection of this application can also be obtained based on these drawings.

[0010] Figure 1 It is a schematic diagram of the principle of the iron inserting and welding process method of the embodiment of the present invention;

[0011] Figure 2 It is a front view of the auxiliary tooling of the embodiment of the present invention;

[0012] Figure 3 It is a top view of the auxiliary tooling of the embodiment of the present invention;

[0013] Figure 4 It is a three-dimensional view of the auxiliary tooling of the embodiment of the present invention;

[0014] In the figure, 1 is the sector plate, 2 is the L-shaped plate, 3 is the first hexagon head bolt, 4 is the second hexagon head bolt, 5 is the washer, 6 is the reinforcing rib, 7 is the auxiliary tooling, 8 is the winding workbench, and 9 is the long silicon steel sheet. Specific Embodiments

[0015] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments.

[0016] As Figure 1 shown, it is a schematic diagram of the principle of the iron inserting and welding process method of the embodiment of the present invention. A method for iron inserting and welding for the production of a circular yoke includes the following steps:

[0017] On the winding workbench 8, there are several T-shaped sliders that can move radially. An auxiliary tooling 7 is installed on the T-shaped sliders. By using the T-shaped sliders, the radial movement of the auxiliary tooling 7 on the winding workbench 8 is realized, so that the auxiliary tooling 7 can abut against the long silicon steel sheet 9, meeting the manufacturing process requirements of circular yokes of various specifications. After moving into place, lock the T-shaped sliders, adjust the angle and the radial retraction dimension of the L-shaped plate 2 to achieve reliable abutment between the auxiliary tooling 7 and the outer periphery of the long silicon steel sheet 9. The two ends of the horizontally placed long silicon steel sheet 9 with a certain thickness can be tightened against the inner-layer circular yoke, bending the long silicon steel sheet 9 into an arc shape, which is convenient for iron inserting and welding. The auxiliary tooling 7 is provided with an abutting surface with adjustable angle and retraction dimension that cooperates with the long silicon steel sheet 9. By adjusting the radial retraction dimension of the L-shaped plate 2 and the angle between the L-shaped plate 2 and the sector plate 1, the long silicon steel sheet 9 can be firmly tightened to prevent its rebound, ensuring production safety and welding quality. The abutting surface of the auxiliary tooling 7 in contact with the long silicon steel sheet 9 can be adjusted in both the circumferential and radial directions to meet the manufacturing process requirements of circular yokes of different specifications.

[0018] In the embodiment of the present invention Figure 1 the middle ring diameter dimension range of the circular yoke is: 873 - 1371 mm, the circumferential adjustment range is: 305 mm, and the radial adjustment range is: 350 mm.

[0019] As Figure 2 shown, it is the front view of the auxiliary tooling of the embodiment of the present invention; as Figure 3 shown, it is the top view of the auxiliary tooling of the embodiment of the present invention; as Figure 4The figure shows a stereoscopic view of an auxiliary tooling of an embodiment of the present invention. An auxiliary tooling for insert welding used in the production of a circular iron yoke, using the aforementioned insert welding process method for the production of a circular iron yoke, comprises: a fan-shaped plate 1 and an L-shaped plate 2, the outer dimensions of the fan-shaped plate 1 are designed according to the outer diameter of the circular winding workbench 8, a circular through hole is provided at the center of the fan-shaped plate 1, and the second hexagonal head bolt 4 passes through the circular through hole to install the fan-shaped plate 1 on the T-shaped slider of the winding workbench 8, so that the entire auxiliary tooling 7 can follow the T-shaped slider to move radially on the disc-shaped winding workbench 8. An arc-shaped long through hole is provided on both sides of the circular through hole of the fan-shaped plate 1, and a long through hole is provided on the lower bottom plate of the L-shaped plate 2, the arc-shaped long through hole of the fan-shaped plate 1 intersects with the long through hole of the L-shaped plate 2, and the angle can be adjusted according to the diameter of the circular iron yoke, and the first hexagonal head bolt 3 passes through the long through hole and the arc-shaped long through hole to install the L-shaped plate 2 on the upper surface of the fan-shaped plate 1. The design structure of the arc-shaped long through hole and the long through hole can conveniently adjust the position of the L-shaped plate 2, and can be adjusted front and back, left and right, and at an angle. Washers 5 are set at the heads of the first hexagonal bolt 3 and the second hexagonal bolt 4 to improve the firmness and reliability of the bolt connection. Reinforcing ribs 6 are set at the right angles of the L-shaped plate 2 to increase the tightening force of the L-shaped plate 2. The L-shaped plate 2 can be radially adjusted in the direction of the long hole of its bottom plate through the arc-shaped long through hole of the fan-shaped plate 1 and the long through hole of the L-shaped plate 2. At the same time, the angle of the L-shaped plate 2 and the fan-shaped plate 1 can be adjusted so that the vertical side of the L-shaped plate 2 can abut against the long silicon steel sheets 9 of different diameters, thereby increasing the abutment area between the L-shaped plate 2 and the long silicon steel sheets 9, so that the auxiliary tooling 7 can positively abut against the long silicon steel sheets 9, and the tightening effect is better.

[0020] As a preferred embodiment, the first hexagonal bolt 3 is an M20×45 bolt, and the second hexagonal bolt 4 is an M20×90 bolt. The fan-shaped plate 1 and the L-shaped plate 2 are made of stainless steel, and the specific dimensions of the fan-shaped plate 1 and the L-shaped plate 2 are specifically designed according to the diameter of the winding workbench 8 and the winding machine.

[0021] By using the auxiliary tooling of the present invention, when performing the iron insertion welding of the circular iron yoke, the long silicon steel sheet 9 can be supported and bent, so that the silicon steel sheets on both sides are surrounded into a circle and connected one by one, which is convenient for the operator to perform welding. The auxiliary tooling of the present invention can be used when making circular iron yokes of various sizes, and realizes the iron insertion auxiliary welding of circular iron yokes of different sizes. The auxiliary tooling of the present invention has a three-level adjustment design so that this tooling can meet the production of circular iron yokes of all sizes.

[0022] Finally, it should be noted that the above embodiments are only specific embodiments of the present invention, used to illustrate the technical solutions of the present invention, rather than limiting it. The protection scope of the present invention is not limited thereto. Those skilled in the art should understand that any person skilled in the art within the technical scope disclosed by the present invention can modify the technical solutions recorded in the foregoing embodiments, or can easily think of changes, or make equivalent replacements for some of the technical features; and these modifications, changes or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be covered within the protection scope of the present invention.

Claims

1. A method for inserting iron and welding process for manufacturing a circular iron yoke, characterized in that, an auxiliary tooling for inserting iron and welding is used, including: a sector plate (1) and an L-shaped plate (2). The outer dimension of the sector plate (1) is designed according to the outer diameter of the circular winding workbench (8). A circular through-hole is opened at the center position of the sector plate (1). The second hexagon head bolt (4) passes through the circular through-hole to install the sector plate (1) on the T-shaped slider of the winding workbench (8). Arc-shaped long through-holes are opened on both sides of the circular through-hole of the sector plate (1). A long through-hole is opened on the lower bottom plate of the L-shaped plate (2). The arc-shaped long through-hole of the sector plate (1) intersects with the long through-hole of the L-shaped plate (2), which can meet the adjustment of the L-shaped plate in the circumferential direction and the radial direction. The first hexagon head bolt (3) passes through the long through-hole and the arc-shaped long through-hole to install the L-shaped plate (2) on the upper surface of the sector plate (1); washers (5) are arranged at the heads of the first hexagon head bolt (3) and the second hexagon head bolt (4), and a reinforcing rib (6) is arranged at the right angle of the L-shaped plate (2); including the following steps: There are several T-shaped sliders that can move radially on the winding workbench. An auxiliary tooling is installed on the T-shaped sliders. The radial movement of the auxiliary tooling on the winding workbench is realized by using the T-shaped sliders, so that the auxiliary tooling abuts against the long silicon steel sheet.

2. The method for inserting iron and welding process for manufacturing a circular iron yoke according to claim 1, characterized in that, the auxiliary tooling is provided with an abutting surface that matches the radian of the long silicon steel sheet.

3. The method for inserting iron and welding process for manufacturing a circular iron yoke according to claim 2, characterized in that, the abutting surface of the auxiliary tooling in contact with the long silicon steel sheet can be adjusted in the circumferential and radial directions.

4. The method for inserting iron and welding process for manufacturing a circular iron yoke according to claim 1, characterized in that, the L-shaped plate (2) is radially adjusted and angularly adjusted through the arc-shaped long through-hole of the sector plate (1) and the long through-hole of the L-shaped plate (2), so that the vertical side surface of the L-shaped plate (2) can effectively abut against the long silicon steel sheets (9) with different diameters in the positive direction.

5. The method for inserting iron and welding process for manufacturing a circular iron yoke according to claim 4, characterized in that, the first hexagon head bolt (3) uses an M20×45 bolt, and the second hexagon head bolt (4) uses an M20×90 bolt.

6. The method for inserting iron and welding process for manufacturing a circular iron yoke according to claim 4, characterized in that, the sector plate (1) and the L-shaped plate (2) are made of stainless steel material.

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