Silicon steel sheet convenient to stack and position

Abstract

The utility model relates to the technical field of silicon steel sheets for transformers, in particular to a silicon steel sheet convenient to stack and position, which adopts the technical scheme that the silicon steel sheet comprises a silicon steel sheet body, a first limiting groove is formed in the middle of the front surface of the silicon steel sheet body, and second limiting grooves are respectively formed in two sides of the silicon steel sheet body on two sides of the first limiting groove; first limiting strips are fixedly installed on the back face of the silicon steel sheet body at the positions corresponding to the first limiting grooves, the edges of the back faces of the first limiting strips are designed to be of an arc structure, and the thickness of the first limiting strips is half of the depth of the first limiting grooves. Second limiting strips are fixedly installed on the back face of the silicon steel sheet body at the positions corresponding to the second limiting grooves, the edges of the back faces of the second limiting strips are designed to be of an arc structure, and the thickness of the second limiting strips is half of the depth of the second limiting grooves. The silicon steel sheet stacking device has the advantage of improving the accuracy when silicon steel sheets are manually stacked, and the problem that the accuracy is low when the silicon steel sheets are manually stacked at the present stage is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silicon steel sheet for transformer, specifically to a silicon steel sheet convenient to stack and position. BACKGROUND

[0002] The silicon steel sheet in the transformer is mainly used for constituting the iron core, and its role is to provide a high magnetic conductivity path to concentrate magnetic flux and reduce magnetic resistance, and at the same time, reduce eddy current loss through its high electrical resistivity, thereby improving the efficiency and performance of the transformer.

[0003] Through a large number of searches, the publication number CN2658916Y discloses a transformer silicon steel sheet, the overall height of the silicon steel sheet is 32-36cm, the width of the middle protruding tongue is 22cm, and the optimal overall height of the silicon steel sheet is 35cm. Through the above design, the overall specification of the transformer silicon steel sheet is reduced on the basis of maintaining the original performance, the waste of raw materials is reduced, and the advantages of simple structure, low production cost and reliable performance are achieved.

[0004] The silicon steel sheet in the prior art needs accurate positioning and compact and uniform stacking when stacking, which requires a high level of technology, and most of the stacking is completed in a manual assembly state. If the stacking is not accurate, the magnetic flux density distribution may be uneven, which affects the performance of the transformer. The technical solution in the prior art fails to solve the above problems, and therefore, a silicon steel sheet convenient to stack and position is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a silicon steel sheet convenient to stack and position, which has the advantages of improving the accuracy of manual stacking of the silicon steel sheet and solving the problem of low accuracy of manual stacking of the silicon steel sheet at the present stage.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a silicon steel sheet convenient to stack and position, comprising a silicon steel sheet body, a first limiting groove is formed in the middle of the front surface of the silicon steel sheet body, second limiting grooves are respectively formed on both sides of the silicon steel sheet body on both sides of the first limiting groove, a first limiting strip is fixedly installed on the back surface of the silicon steel sheet body at the corresponding position of the first limiting groove, the edge of the back surface of the first limiting strip is designed in a circular arc structure, and the thickness of the first limiting strip is half the depth of the first limiting groove.

[0007] A second limiting strip is fixedly installed on the back surface of the silicon steel sheet body at the corresponding position of the second limiting groove, the edge of the back surface of the second limiting strip is designed in a circular arc structure, and the thickness of the second limiting strip is half the depth of the second limiting groove.

[0008] Preferably, the silicon steel sheet body front top two sides are provided with mounting holes, and two mounting holes are embedded with limiting washers. The design can ensure the accurate positioning of the silicon steel sheet during stacking, and reduce the error of manual operation by providing mounting holes on both sides of the top of the silicon steel sheet body and embedding limiting washers.

[0009] The embedding of the limiting washer provides additional positioning for the stacking of adjacent silicon steel sheet bodies, enhancing the accuracy of the silicon steel sheet during the stacking process.

[0010] Preferably, the limiting washer adopts a stepped structure design, the rear half of the limiting washer is embedded in the mounting hole, and the front half of the limiting washer protrudes from the silicon steel sheet body by a distance matching the distance of the first limiting strip and the second limiting strip not inserted into the first limiting slot and the second limiting slot. The stepped structure design of the limiting washer makes the protruding part of the front half match the distance of the first limiting strip and the second limiting strip not inserted, which can ensure the uniform gap between the silicon steel sheets and improve the uniformity of the stacking.

[0011] Preferably, the first limiting slot adopts a T-shaped structure design, the depth of the first limiting slot is half the thickness of the silicon steel sheet body, and first insertion holes are equally provided in the first limiting slot. The T-shaped structure design of the first limiting slot provides stronger fixing ability and can better maintain the position of the silicon steel sheet.

[0012] The equidistant design of the first insertion hole improves the stability of the overall structure after the first limiting strip is inserted.

[0013] Preferably, the second limiting slot adopts a straight line structure design, the depth of the second limiting slot is half the thickness of the silicon steel sheet body, and second insertion holes are equally provided in the second limiting slot. The straight line structure design of the second limiting slot simplifies the manufacturing process and provides effective positioning function.

[0014] The equidistant design of the second insertion hole improves the stability of the overall structure after the second limiting strip is inserted.

[0015] Preferably, the first limiting strip adopts a T-shaped structure design, the thickness of the first limiting strip matches the thickness of the silicon steel sheet body, and a first insertion block is fixedly installed on the back of the first limiting strip, and the size of the first insertion block matches the size of the first insertion hole. The T-shaped structure of the first limiting strip matches the first limiting slot, providing stronger fixing and positioning ability.

[0016] The thickness of the first limiting strip matches the silicon steel sheet body, ensuring the consistency and compactness of the overall structure.

[0017] The size of the first insertion block matches the size of the first insertion hole, ensuring that the first limiting strip can be accurately inserted and improving the accuracy of the stacking.

[0018] Preferably, the second limiting strip adopts a one-word type structure design, the thickness of the second limiting strip matches the thickness of the silicon steel sheet body, the back of the second limiting strip is fixedly installed with a second plug-in block, and the second plug-in block matches the size of the second plug-in hole.

[0019] The thickness of the second limiting strip matches the silicon steel sheet body, ensuring the consistency and compactness of the overall structure.

[0020] The second plug-in block matches the size of the second plug-in hole, ensuring that the second limiting strip can be accurately inserted and improving the accuracy of stacking.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] In the utility model, the front surface of the silicon steel sheet body is provided with a first limiting slot in the middle and second limiting slots on both sides. The back surface of the corresponding position of the limiting slots is fixedly installed with a first limiting strip and a second limiting strip. This design ensures that each silicon steel sheet can be accurately positioned during stacking, because the use of the limiting strip and the limiting slot provides physical guidance and fixation. The back edge of the first limiting strip and the second limiting strip adopts a circular arc structure design, which helps to smoothly insert and remove the limiting strip, reduces the difficulty of operation or damage caused by sharp edges, and also reduces errors during stacking. The thickness of the first limiting strip and the second limiting strip is half of the corresponding limiting slot depth. This accurate matching ensures that the limiting strip can be stably inserted into the limiting slot, providing good fixation effect and reducing stacking errors caused by thickness mismatch. The first limiting slot adopts a T-shaped structure design, and the second limiting slot adopts a one-word type structure design. These structure designs not only provide stronger fixation ability, but also simplify the manufacturing process and provide effective positioning function. The first limiting slot is provided with a first plug-in hole at equal intervals, and the second limiting slot is provided with a second plug-in hole at equal intervals. This equal interval design improves the stability of the overall structure after the limiting strip is inserted, further ensuring the accuracy of stacking. Through the above design, the silicon steel sheet can achieve higher accuracy during manual stacking, reduces uneven magnetic flux density distribution caused by improper manual operation, and improves the performance and efficiency of the transformer. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view structural schematic diagram of the utility model;

[0024] Figure 2 It is a rear view structural schematic diagram of the utility model;

[0025] Figure 3 It is a silicon steel sheet body structure schematic diagram of the utility model;

[0026] Figure 4 The first limiting strip and the second limiting strip structure schematic view of the utility model.

[0027] In the figure: 1, silicon steel sheet body; 11, first limiting slot; 111, first plug-in hole; 12, second limiting slot; 121, second plug-in hole; 13, mounting hole; 2, limiting washer; 3, first limiting strip; 31, first plug-in block; 4, second limiting strip; 41, second plug-in block. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0029] Embodiment one

[0030] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model provides an embodiment: a silicon steel sheet convenient to stack and position, which comprises a silicon steel sheet body 1, a first limiting slot 11 is formed in the middle of the front face of the silicon steel sheet body 1, second limiting slots 12 are formed on both sides of the silicon steel sheet body 1 on both sides of the first limiting slot 11, a first limiting strip 3 is fixedly installed on the back face of the silicon steel sheet body 1 at the corresponding position of the first limiting slot 11, the edge of the back face of the first limiting strip 3 is designed in a circular arc structure, and the thickness of the first limiting strip 3 is half the depth of the first limiting slot 11.

[0031] A second limiting strip 4 is fixedly installed on the back face of the silicon steel sheet body 1 at the corresponding position of the second limiting slot 12, the edge of the back face of the second limiting strip 4 is designed in a circular arc structure, and the thickness of the second limiting strip 4 is half the depth of the second limiting slot 12.

[0032] Specifically, the first limiting groove 11 is arranged in the middle of the front surface of the silicon steel sheet body 1, and the second limiting groove 12 is arranged on both sides. The first limiting strip 3 and the second limiting strip 4 are fixedly installed on the back surface of the corresponding position of the limiting grooves. This design ensures that each silicon steel sheet can be accurately positioned during stacking, because the use of limiting strips and limiting grooves provides physical guidance and fixation; the back edge of the first limiting strip 3 and the second limiting strip 4 adopts a circular arc structure design, which helps to smoothly insert and remove the limiting strips, reduces the difficulty of operation or damage caused by sharp edges, and also reduces the error during stacking; the thickness of the first limiting strip 3 and the second limiting strip 4 is half of the corresponding limiting groove depth, which ensures that the limiting strip can be stably inserted into the limiting groove, providing good fixation effect and reducing the stacking error caused by mismatched thickness; the first limiting groove 11 adopts a T-shaped structure design, and the second limiting groove 12 adopts a straight line structure design. These structure designs not only provide stronger fixation ability, but also simplify the manufacturing process, while providing effective positioning function; the first limiting groove 11 is equally spaced to have a first insertion hole 111, and the second limiting groove 12 is equally spaced to have a second insertion hole 121. This equidistant design improves the overall stability of the limiting strip after insertion, further ensuring the accuracy of stacking. Through the above design, this silicon steel sheet can achieve higher accuracy during manual stacking, reduce uneven magnetic flux density distribution caused by improper manual operation, and improve the performance and efficiency of the transformer.

[0033] Further, the mounting hole 13 is arranged on both sides of the top surface of the silicon steel sheet body 1, and the limiting washer 2 is embedded in the mounting hole 13. The design can ensure the accurate positioning of the silicon steel sheet during stacking and reduce the error of manual operation by arranging the mounting hole 13 on both sides of the top surface of the silicon steel sheet body 1 and embedding the limiting washer 2.

[0034] The embedding of the limiting washer 2 provides additional positioning for the stacking of adjacent silicon steel sheet bodies 1, enhancing the accuracy of the silicon steel sheet during stacking.

[0035] Further, the limiting washer 2 adopts a stepped structure design, the rear half of the limiting washer 2 is embedded in the mounting hole 13, and the front half of the limiting washer 2 protrudes from the silicon steel sheet body 1 by a distance matching the distance that the first limiting strip 3 and the second limiting strip 4 fail to insert into the first limiting groove 11 and the second limiting groove 12. The stepped structure design of the limiting washer 2 in the design makes the protruding part of the front half match the distance of the first limiting strip 3 and the second limiting strip 4 that are not inserted, which can ensure the uniformity of the gap between the silicon steel sheets and improve the uniformity of the stacking.

[0036] Further, the first limiting groove 11 adopts a T-shaped structure design, the depth of the first limiting groove 11 is half of the thickness of the silicon steel sheet body 1, and a first insertion hole 111 is equidistantly arranged in the first limiting groove 11. The T-shaped structure design of the first limiting groove 11 provides stronger fixing capacity and can better maintain the position of the silicon steel sheet;

[0037] The equidistant design of the first insertion hole 111 improves the overall structural stability after the first limiting strip 3 is inserted.

[0038] Further, the second limiting groove 12 adopts a linear structure design, the depth of the second limiting groove 12 is half of the thickness of the silicon steel sheet body 1, and a second insertion hole 121 is equidistantly arranged in the second limiting groove 12. The linear structure design of the second limiting groove 12 simplifies the manufacturing process and provides effective positioning function;

[0039] The equidistant design of the second insertion hole 121 improves the overall structural stability after the second limiting strip 4 is inserted.

[0040] Further, the first limiting strip 3 adopts a T-shaped structure design, the thickness of the first limiting strip 3 matches the thickness of the silicon steel sheet body 1, a first insertion block 31 is equidistantly fixed and arranged on the back of the first limiting strip 3, and the size of the first insertion block 31 matches the size of the first insertion hole 111. The T-shaped structure of the first limiting strip 3 matches the first limiting groove 11, providing stronger fixing and positioning capacity;

[0041] The thickness of the first limiting strip 3 matches the silicon steel sheet body 1, ensuring the consistency and compactness of the overall structure;

[0042] The size of the first insertion block 31 matches the size of the first insertion hole 111, ensuring that the first limiting strip 3 can be accurately inserted, improving the accuracy of the stacking.

[0043] Further, the second limiting strip 4 adopts a linear structure design, the thickness of the second limiting strip 4 matches the thickness of the silicon steel sheet body 1, a second insertion block 41 is equidistantly fixed and arranged on the back of the second limiting strip 4, and the size of the second insertion block 41 matches the size of the second insertion hole 121. The linear structure of the second limiting strip 4 matches the second limiting groove 12, providing simple and effective positioning function;

[0044] The thickness of the second limiting strip 4 matches the silicon steel sheet body 1, ensuring the consistency and compactness of the overall structure;

[0045] The size of the second insertion block 41 matches the size of the second insertion hole 121, ensuring that the second limiting strip 4 can be accurately inserted, improving the accuracy of the stacking.

[0046] The utility model discloses when using, ensure that all silicon steel sheet has already manufactured according to design requirement, including silicon steel sheet body 1, first limit slot 11, second limit slot 12, first limit strip 3, second limit strip 4, mounting hole 13 and limit washer 2, check whether the size and shape of first limit slot 11 and second limit slot 12 meet the design requirement, ensure that first limit strip 3 and second limit strip 4 can be inserted into corresponding first limit slot 11 and second limit slot 12 correctly, limit washer 2 is embedded in the mounting hole 13 of the two sides of the front top of silicon steel sheet body 1. The stepped structure design of limit washer 2 makes the distance of the first half of it protruding from silicon steel sheet body 1 match the distance of first limit strip 3 and second limit strip 4 failing to insert first limit slot 11 and second limit slot 12.

[0047] Start stacking silicon steel sheet, insert first limit strip 3 on the current silicon steel sheet body 1 into first limit slot 11 on another silicon steel sheet body 1, insert second limit strip 4 on the current silicon steel sheet body 1 into second limit slot 12 on another silicon steel sheet body 1. Since the thickness of the limit strip is half the depth of the corresponding limit slot, this can ensure accurate positioning between silicon steel sheets. In the stacking process, the structure of the limit strip and the limit slot can be used to assist positioning, ensuring that each silicon steel sheet can be accurately placed in the correct position. In the stacking process, the stacking quality of the silicon steel sheet needs to be checked in time to ensure that no misplacement or unevenness occurs. If a problem is found, adjust the position of the limit strip or replace the silicon steel sheet in time. Once all the silicon steel sheets are stacked according to the requirements, check the stability and uniformity of the entire stacked structure to ensure that there are no missing limit strips or limit slots. The stacked silicon steel sheets are installed as a whole into the transformer to form the core part of the transformer. After the transformer is assembled, performance testing is carried out to ensure that the efficiency and performance of the transformer have been improved due to the improvement of the silicon steel sheet stacking.

[0048] It is apparent for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A silicon steel sheet for convenient stacking and positioning, comprising a silicon steel sheet body (1), a first limiting groove (11) is formed in the middle of the front surface of the silicon steel sheet body (1), a second limiting groove (12) is formed on both sides of the silicon steel sheet body (1) on both sides of the first limiting groove (11), characterized in that: A first limiting strip (3) is fixedly installed on the back surface of the silicon steel sheet body (1) at the corresponding position of the first limiting groove (11), the edge of the back surface of the first limiting strip (3) is designed in a circular arc structure, and the thickness of the first limiting strip (3) is half the depth of the first limiting groove (11); A second limiting strip (4) is fixedly installed on the back surface of the silicon steel sheet body (1) at the corresponding position of the second limiting groove (12), the edge of the back surface of the second limiting strip (4) is designed in a circular arc structure, and the thickness of the second limiting strip (4) is half the depth of the second limiting groove (12).

2. A silicon steel sheet for easy stacking and positioning according to claim 1, wherein A mounting hole (13) is formed on both sides of the top surface of the silicon steel sheet body (1), and a limiting washer (2) is embedded in each mounting hole (13).

3. A silicon steel sheet for easy stacking and positioning according to claim 2, wherein The limiting washer (2) is designed in a stepped structure, the rear half of the limiting washer (2) is embedded in the mounting hole (13), and the front half of the limiting washer (2) protrudes from the silicon steel sheet body (1) by a distance matching the distance that the first limiting strip (3) and the second limiting strip (4) cannot be inserted into the first limiting groove (11) and the second limiting groove (12).

4. A silicon steel sheet for easy stacking and positioning according to claim 1, wherein The first limiting groove (11) is designed in a T-shaped structure, the depth of the first limiting groove (11) is half the thickness of the silicon steel sheet body (1), and a first insertion hole (111) is formed in the first limiting groove (11) at equal intervals.

5. A silicon steel sheet for easy stacking and positioning according to claim 1, wherein The second limiting groove (12) is designed in a straight line structure, the depth of the second limiting groove (12) is half the thickness of the silicon steel sheet body (1), and a second insertion hole (121) is formed in the second limiting groove (12) at equal intervals.

6. A silicon steel sheet for easy stacking and positioning according to claim 1, wherein The first limiting strip (3) is designed in a T-shaped structure, the thickness of the first limiting strip (3) matches the thickness of the silicon steel sheet body (1), and a first insertion block (31) is fixedly installed on the back surface of the first limiting strip (3) at equal intervals, and the size of the first insertion block (31) matches the size of the first insertion hole (111).

7. A silicon steel sheet for easy stacking and positioning according to claim 1, wherein The second limiting strip (4) is designed in a straight line structure, the thickness of the second limiting strip (4) matches the thickness of the silicon steel sheet body (1), and a second insertion block (41) is fixedly installed on the back surface of the second limiting strip (4) at equal intervals, and the size of the second insertion block (41) matches the size of the second insertion hole (121).

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