CN219418759U - Iron core silicon steel sheet welding frame - Google Patents

Abstract

The utility model provides an iron core silicon steel sheet welding frame which can fix welding points of a silicon steel sheet and an iron core and ensure welding consistency; the welding frame comprises a lower limiting plate, two hollowed-out brackets and an upper limiting plate, wherein the lower limiting plate is formed by overlapping and welding two rectangular plates in a concave shape, and the length of a first rectangular notch of the first limiting plate is larger than that of a second rectangular notch of the second limiting plate; the two hollowed-out brackets are respectively and fixedly arranged at two sides of the lower limiting plate, the hollowed-out brackets are right trapezoid, and the bottoms of the two hollowed-out brackets are respectively connected with two sides of the lower limiting plate; the upper bottoms of the two hollowed-out brackets are respectively connected with two sides of an upper limiting plate, the upper limiting plate is formed by overlapping and welding two rectangular plates in a concave shape, and the width and the length of a third rectangular notch of a third limiting plate positioned above are both larger than those of a fourth rectangular notch of a fourth limiting plate positioned below.

Description

Iron core silicon steel sheet welding frame

Technical Field

The utility model relates to the field of dry-type transformer production, in particular to an iron core silicon steel sheet welding frame.

Background

In the processing process of the transformer, the silicon steel sheet is manufactured by hot and cold rolling, and has good magnetism but very brittleness; the iron core of the transformer is formed by stacking, if gaps exist between the silicon steel sheets, the iron loss of the transformer is necessarily increased, and the service life of the transformer is finally influenced, so the silicon steel sheets which cannot meet the size requirement have to be treated according to waste products. In the actual production process, the welding points between the iron core and the silicon steel sheet need to be kept consistent, and meanwhile, the silicon steel sheet needs to be prevented from being deformed.

Disclosure of Invention

The utility model aims to provide an iron core silicon steel sheet welding frame which can fix welding points of a silicon steel sheet and an iron core and ensure welding consistency; and the silicon steel sheet can be protected, and deformation generated in the processing process is prevented.

The welding frame comprises a lower limit plate, two hollowed-out brackets and an upper limit plate, wherein the lower limit plate is formed by overlapping and welding two rectangular plates in a concave shape, and the width of a first rectangular notch of a first limit plate positioned below is larger than that of a second rectangular notch of a second limit plate positioned above; the length of the first rectangular notch of the first limiting plate is larger than that of the second rectangular notch of the second limiting plate; the two hollowed-out brackets are respectively and fixedly arranged at two sides of the lower limiting plate, the hollowed-out brackets are right trapezoid, and the bottoms of the two hollowed-out brackets are respectively connected with two sides of the lower limiting plate; the upper bottoms of the two hollowed-out brackets are respectively connected with two sides of an upper limiting plate, the upper limiting plate is formed by overlapping and welding two rectangular plates in a concave shape, and the width and the length of a third rectangular notch of a third limiting plate positioned above are both larger than those of a fourth rectangular notch of a fourth limiting plate positioned below.

In a preferred embodiment of the present utility model, a right trapezoid hollow is disposed in the middle of the hollow support.

In a preferred embodiment of the present utility model, the size of the first rectangular notch is matched with the size of the lower iron core silicon steel sheet, and the size of the second rectangular notch is matched with the size of the welding area of the lower iron core silicon steel sheet.

In a preferred embodiment of the present utility model, the third rectangular notch has a size matching the size of the upper core silicon steel sheet, and the fourth rectangular notch has a size matching the size of the welding area of the upper core silicon steel sheet.

In a preferred embodiment of the present utility model, the iron core is placed between the upper iron core silicon steel sheet and the lower iron core silicon steel sheet.

The embodiment of the utility model has the beneficial effects that: the welding frame is used for welding the iron core, the upper iron core and the lower iron core silicon steel sheets, the iron core is limited in the area defined by the second rectangular notch, the fourth rectangular notch and the middle space, so that the consistency of welded products can be well maintained in the process of welding large-scale iron cores, and meanwhile, the welding tool adopts a hollowed-out design, and is light in weight and low in cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a welding frame for iron core silicon steel sheets according to an embodiment of the utility model;

fig. 2 is a schematic structural view of an iron core silicon steel sheet welding frame according to an embodiment of the present utility model during welding;

icon: lower limiting plate 110, first rectangular notch 111, second rectangular notch 112, hollow bracket 120, right trapezoid hollow 121, upper limiting plate 130, third rectangular notch 131, fourth rectangular notch 132, back plate 140, iron core 001, upper iron core silicon steel sheet 002, lower iron core silicon steel sheet 003.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

First embodiment

Referring to fig. 1 and 2, the present embodiment provides a welding frame for a silicon steel sheet of an iron core, which is a trapezoid welding frame with one open surface, and the welding frame is composed of a lower limiting plate 110, two hollow brackets 120, an upper limiting plate 130, and a back plate 140. The two hollow brackets 120 are disposed on two sides of the lower limiting plate 110/the upper limiting plate 130, and the back plate 140 is connected to the upper limiting plate 130, the lower limiting plate 110 and the two hollow brackets 120.

The lower limiting plate 110 is formed by overlapping and welding two rectangular plates in a concave shape, and the width of a first rectangular notch 111 of a first limiting plate positioned below is larger than that of a second rectangular notch 112 of a second limiting plate positioned above; the length of the first rectangular notch 111 of the first limiting plate is greater than the length of the second rectangular notch 112 of the second limiting plate. The first rectangular notch 111 has a size matching that of the lower core silicon steel sheet, and the second rectangular notch 112 has a size matching that of the welding region of the lower core silicon steel sheet.

The two hollowed brackets 120 are fixedly arranged on two sides of the lower limiting plate 110 respectively, right trapezoid hollowed 121 is arranged in the middle of the hollowed brackets 120, the hollowed brackets 120 are in a right trapezoid shape, and the bottoms of the two hollowed brackets 120 are connected with two sides of the lower limiting plate 110 respectively; the upper bottoms of the two hollowed brackets 120 are respectively connected with two sides of the upper limiting plate 130.

The upper limiting plate 130 is formed by overlapping and welding two rectangular plates in a concave shape, wherein the width and the length of a third rectangular notch 131 of the third limiting plate positioned above are larger than those of a fourth rectangular notch 132 of the fourth limiting plate positioned below. The third rectangular notch 131 is sized to match the size of the upper core silicon steel sheet, and the fourth rectangular notch 132 is sized to match the size of the welding area of the upper core silicon steel sheet. The iron core 001 is placed between the upper iron core silicon steel sheet 002 and the lower iron core silicon steel sheet 003.

The back plate 140 is a rectangular plate body with a rectangular hollow center, the upper part is connected with the upper limiting plate 130, the two sides are respectively connected with the hollow brackets 120, and the lower part is connected with the lower limiting plate 110.

Referring to a welding schematic diagram, the welding frame is used for welding the iron core 001 and the upper and lower iron core silicon steel sheets 003, the iron core 001 is limited in the areas defined by the second rectangular notch 112, the fourth rectangular notch 132 and the middle space, so that a large number of iron cores 001 can be well welded with the upper and lower iron core silicon steel sheets 003 in the welding process, the consistency of welding products is maintained, and meanwhile, the welding fixture adopts a hollowed-out design, and is light in weight and low in cost.

This description describes examples of embodiments of the utility model and is not intended to illustrate and describe all possible forms of the utility model. It should be understood that the embodiments in the specification may be embodied in many alternate forms. The figures are not necessarily to scale; some features may be exaggerated or minimized to show details of particular components. Specific structural and functional details disclosed are not to be interpreted as limiting, but merely as a representative basis for teaching one skilled in the art to variously employ the present utility model. Those skilled in the art will appreciate that a plurality of features illustrated and described with reference to any one drawing may be combined with features illustrated in one or more other drawings to form embodiments not explicitly illustrated or described. The illustrated combination of features provides representative embodiments for typical applications. However, various combinations and modifications of the features consistent with the teachings of the present utility model may be used in particular applications or implementations as desired.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. An iron core silicon steel sheet welding frame, characterized in that, the welding frame includes:

the lower limiting plate is formed by overlapping and welding two rectangular plates in a concave shape, wherein the width of a first rectangular notch of a first limiting plate positioned below is larger than that of a second rectangular notch of a second limiting plate positioned above; the length of the first rectangular notch of the first limiting plate is larger than that of the second rectangular notch of the second limiting plate;

the two hollowed-out brackets are respectively and fixedly arranged on two sides of the lower limiting plate, the hollowed-out brackets are right trapezoid, and the bottoms of the two hollowed-out brackets are respectively connected with two sides of the lower limiting plate;

the upper bottoms of the hollowed-out supports are respectively connected with two sides of the upper limiting plate, the upper limiting plate is formed by overlapping and welding two rectangular plates in a concave shape, and the width and the length of a third rectangular notch of a third limiting plate positioned above are both larger than those of a fourth rectangular notch of a fourth limiting plate positioned below.

2. The iron core silicon steel sheet welding frame according to claim 1, wherein a right trapezoid hollow is arranged in the middle of the hollow support.

3. The iron core silicon steel sheet welding frame according to claim 1, wherein the size of the first rectangular notch is matched with the size of the lower iron core silicon steel sheet, and the size of the second rectangular notch is matched with the size of the welding area of the lower iron core silicon steel sheet.

4. The iron core silicon steel sheet welding frame according to claim 1, wherein the size of the third rectangular notch is matched with the size of the upper iron core silicon steel sheet, and the size of the fourth rectangular notch is matched with the size of the welding area of the upper iron core silicon steel sheet.

5. The iron core silicon steel sheet welding frame according to claim 1, wherein the iron core is placed between the upper iron core silicon steel sheet and the lower iron core silicon steel sheet.