Winding device for iron core of dry-type power transformer

Abstract

The winding device comprises a machine body, a base is fixedly installed on the inner bottom face of the left side of the machine body, the center of the front wall face of the base penetrates through a bearing to be connected with a two-way lead screw, and the rear portion of the two-way lead screw is in threaded connection with a connecting block. According to the winding device for the dry-type power transformer iron core, in the wire winding process, guiding is conducted through the rotating roller, the sliding blocks are driven to move in the guide rails through wire winding, the sliding blocks are made to move inwards, the sliding blocks are driven to move in the guide rails, the sliding blocks are driven to move in the guide rails, and therefore the iron core can be wound, and the iron core can be wound. And after the wire in the equipment is wound, the threaded rod is rotated, the threaded rod is meshed with the fixed seat, the supporting block is driven to move leftwards, the wire is fixed, the wire is prevented from loosening, and therefore the wire can be conveyed into the equipment conveniently, and the body continues to be wound.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer core winding devices, in particular to a winding device for a dry-type power transformer core. Background Art

[0002] The transformer core is an important part of the transformer, which is used to store and transmit magnetic energy in a centralized manner and realize the conversion of electromagnetic energy. It is made of multiple thin plates stacked together, usually made of silicon steel sheets or ferrite materials. The main function of the transformer core is to conduct magnetic flux, reduce energy loss and improve the efficiency of the transformer. The quality and design of the transformer core have a significant impact on the performance of the transformer. Therefore, in the manufacturing of transformers, great attention is paid to the material selection and processing technology of the core to ensure the stable performance and efficient operation of the transformer. However, the existing winding device for the core of dry-type power transformers still has certain defects; for example:

[0003] The "A winding device for the iron core of a dry-type power transformer" with application number CN202022384661.2 includes a base and a support plate. The support plates are located on both sides of the upper end surface of the base, and the upper end of one side of the support plate is fixedly connected to a mounting plate, and the upper end of the other side of the support plate is welded to a fixing plate. An electric push rod is installed on one side of the mounting plate, and one end of the electric push rod is fixedly connected to a telescopic rod. The roller can wind the silicon steel sheet, and the roller can be replaced according to the product specifications; the pressing cylinder can make a flat correction to the silicon steel sheet, and the automatic correction can be achieved by driving the moving plate to drive the moving rod, so that the winding of the iron core is tighter. According to the above, although the winding device of the iron core of the power transformer can be well applied, the winding is not tight enough when the iron core is wound, which makes it easy for the winding to be loose after the iron core is wound, and the wire is easy to loosen, which increases the labor burden of the user and often troubles the user. Utility Model Content

[0004] The utility model aims to provide a winding device for a dry-type power transformer core, so as to solve the problem proposed in the above-mentioned background technology that when the core is wound, the winding is not tight enough, so that the winding is not tight after the core is wound, the wire is easy to loosen, the labor burden of the user is increased, and the problem of often troubling the user.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a winding device for the iron core of a dry-type power transformer, comprising a body, a base is fixedly installed on the left inner bottom surface of the body, a bidirectional screw is connected to the center of the front wall of the base through a bearing, a connecting block is threadedly connected to the rear of the bidirectional screw, the connecting block and the base are slidably connected, a fixed block is fixedly installed on the upper top surface of the connecting block, a body is connected to the front wall of the fixed block through a bearing, the connecting block and the fixed block are symmetrically arranged about the center of the base, a fixed seat is fixedly installed at the center of the left wall of the body, and a slide groove is provided at the lower part of the fixed seat.

[0006] As the preferred technical solution of the utility model, the slide groove is internally slidably connected with a slide rod, the left wall of the slide rod is fixedly installed with a support block, the upper end of the right wall of the support block is connected with a threaded rod by a bearing, and the right end of the threaded rod is threadedly connected to the upper end of the left wall of the base.

[0007] As a preferred technical solution of the utility model, the left inner top surface of the body is connected to a roller through a connecting column bearing, the right rear wall of the body is inlaid with a guide rail fixedly installed, and the left end of the guide rail is inlaid with a slider slidably connected.

[0008] As a preferred technical solution of the utility model, a fixing rod is slidably connected through the right wall surface of the sliding block, the fixing rod is fixedly installed on the inner wall surface of the body, and the sliding block is symmetrically arranged about the center of the fixing rod.

[0009] As a preferred technical solution of the utility model, a spring is fixedly installed between the two sliders, the spring is sleeved on the fixed rod, and a cam is connected to the center bearing of the front wall surface of the slider.

[0010] As the preferred technical solution of the utility model, the spring, guide rail, fixed rod, slider and cam are arranged in three with respect to the body matrix, an electric push rod is fixedly installed on the right inner bottom surface of the body, and a clamping plate is fixedly installed on the upper top surface of the electric push rod.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the winding device for the iron core of a dry-type power transformer is

[0012] During the winding process of the wire, the roller is used for guidance, and the winding of the wire drives the slider to move inside the guide rail, so that the slider moves inward and squeezes the spring set on the fixed rod. After the winding of the wire inside the equipment is completed, the threaded rod is rotated, and the threaded rod is engaged with the fixed seat to drive the support block to move to the left, thereby fixing the wire and preventing it from loosening, so as to facilitate the transportation of the wire into the equipment and continue to wind the main body.

[0013] The wire is fed into the device through the clamp and wound onto the cam in an S shape, and the left end of the wire is wound onto the main body. The electric push rod is then started to drive the clamp to fix the right end of the wire. At the same time, the main body is rotated to wind the wire onto the main body, and the wire is wound through the cam, and the cam is buffered by the spring to prevent the wire from being broken due to excessive pulling force. The operation is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the right side cross-sectional structure of the base of the utility model;

[0016] Figure 3 This is a schematic diagram of the main cross-sectional structure of the fixing seat of the utility model;

[0017] Figure 4 It is a schematic diagram of the left side cross-sectional structure of the guide rail of the utility model.

[0018] In the figure: 1. body; 2. base; 3. bidirectional screw; 4. connecting block; 5. fixing block; 6. body; 7. fixing seat; 8. slide groove; 9. slide rod; 10. support block; 11. threaded rod; 12. roller; 13. fixing rod; 14. slider; 15. spring; 16. electric push rod; 17. splint; 18. guide rail; 19. cam. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution, a winding device for a dry-type power transformer core, comprising a body 1, a base 2 is fixedly installed on the left inner bottom surface of the body 1, a bidirectional screw 3 is connected to the front wall center of the base 2 through a bearing, a connecting block 4 is threadedly connected to the rear of the bidirectional screw 3, the connecting block 4 and the base 2 are slidably connected, a fixing block 5 is fixedly installed on the upper top surface of the connecting block 4, a body 6 is connected to the front wall of the fixing block 5 through a bearing, the connecting block 4 and the fixing block 5 are symmetrically arranged about the center of the base 2, a fixing seat 7 is fixedly installed at the center of the left wall of the body 1, and a slide groove 8 is provided at the lower part of the fixing seat 7.

[0021] The inside of the slide groove 8 is slidably connected with a slide rod 9, the left wall of the slide rod 9 is fixedly installed with a support block 10, the upper end of the right wall of the support block 10 is bearing-connected with a threaded rod 11, and the right end of the threaded rod 11 is threadedly connected to the upper end of the left wall of the base 2.

[0022] The left inner top surface of the machine body 1 is connected with a rotating roller 12 through a connecting column bearing, and the right rear wall surface of the machine body 1 is inlaid with a guide rail 18 and fixedly installed, and the left end of the guide rail 18 is inlaid with a sliding block 14 for sliding connection.

[0023] A fixing rod 13 is slidably connected to the right wall surface of the sliding block 14 . The fixing rod 13 is fixedly mounted on the inner wall surface of the machine body 1 . The sliding block 14 is symmetrically arranged about the center of the fixing rod 13 .

[0024] A spring 15 is fixedly installed between the two sliders 14 . The spring 15 is sleeved on the fixed rod 13 . A cam 19 is connected to the center bearing of the front wall of the slider 14 .

[0025] Three springs 15 , guide rails 18 , fixing rods 13 , sliders 14 and cams 19 are arranged in a matrix with respect to the machine body 1 . An electric push rod 16 is fixedly mounted on the right inner bottom surface of the machine body 1 , and a clamping plate 17 is fixedly mounted on the upper top surface of the electric push rod 16 .

[0026] Working principle: When using a winding device for the core of a dry-type power transformer, the user feeds the wire into the device through the clamp 17 and winds the wire into an S shape on the cam 19, and winds the left end of the wire onto the body 6, then starts the electric push rod 16 to drive the clamp 17 to fix the right end of the wire, and at the same time rotates the body 6 to wind the wire onto the body 6. During the winding process of the wire, it is guided by the roller 12, and the slider 14 is driven to move inside the guide rail 18 by the winding of the wire, so that the slider 14 moves inward and squeezes the spring 15 sleeved on the fixing rod 13. After the winding of the wire inside the device is completed, the threaded rod 11 is rotated, and the threaded rod 11 is engaged with the fixing seat 7 to drive the support block 10 to move to the left, fix the wire, and prevent the wire from loosening. Then the electric push rod 16 is started again to convey the wire into the device, and this operation can be repeated.

[0027] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A winding device for a dry-type power transformer core, comprising a body (1); Features: A base (2) is fixedly mounted on the left inner bottom surface of the machine body (1); a bidirectional screw rod (3) is connected to the center of the front wall surface of the base (2) through a bearing; a connecting block (4) is threadedly connected to the rear of the bidirectional screw rod (3); the connecting block (4) is slidably connected to the base (2); a fixed block (5) is fixedly mounted on the upper top surface of the connecting block (4); a main body (6) is connected to the front wall surface of the fixing block (5) through a bearing; the connecting block (4) and the fixing block (5) are symmetrically arranged with respect to the center of the base (2); a fixed seat (7) is fixedly mounted on the center of the left wall surface of the machine body (1); a sliding groove (8) is provided at the lower part of the fixed seat (7).

2. A winding device for a dry-type power transformer core according to claim 1, characterized in that: The slide groove (8) is internally slidably connected to a slide rod (9), a support block (10) is fixedly mounted on the left wall of the slide rod (9), a threaded rod (11) is bearing-connected to the upper end of the right wall of the support block (10), and the right end of the threaded rod (11) is threadedly connected to the upper end of the left wall of the base (2).

3. A winding device for a dry-type power transformer core according to claim 2, characterized in that: The left inner top surface of the machine body (1) is connected to a roller (12) via a connecting column bearing, a guide rail (18) is embedded and fixedly installed on the right rear wall surface of the machine body (1), and a slider (14) is embedded and slidably connected to the left end of the guide rail (18).

4. A winding device for a dry-type power transformer core according to claim 3, characterized in that: A fixing rod (13) is slidably connected to the right wall surface of the sliding block (14), the fixing rod (13) is fixedly mounted on the inner wall surface of the machine body (1), and the sliding block (14) is symmetrically arranged with respect to the center of the fixing rod (13).

5. A winding device for a dry-type power transformer core according to claim 4, characterized in that: A spring (15) is fixedly installed between the two sliders (14), and the spring (15) is sleeved on the fixed rod (13). The front wall center bearing of the slider (14) is connected to a cam (19).

6. A winding device for a dry-type power transformer core according to claim 5, characterized in that: The spring (15), the guide rail (18), the fixing rod (13), the sliding block (14) and the cam (19) are arranged in three in a matrix with respect to the machine body (1); an electric push rod (16) is fixedly mounted on the inner bottom surface of the right part of the machine body (1); and a clamping plate (17) is fixedly mounted on the upper top surface of the electric push rod (16).

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