CN109817446B - Transformer coil press-mounting device - Google Patents
Transformer coil press-mounting device Download PDFInfo
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- CN109817446B CN109817446B CN201711175729.2A CN201711175729A CN109817446B CN 109817446 B CN109817446 B CN 109817446B CN 201711175729 A CN201711175729 A CN 201711175729A CN 109817446 B CN109817446 B CN 109817446B
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- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 230000016507 interphase Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
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Abstract
The invention relates to the field of transformer coil manufacturing, and particularly provides a transformer coil press-fitting device. The transformer coil press-fitting device comprises a base, wherein a central column is arranged in the center of the base, more than two coil mounting seats are uniformly distributed on the upper end face of the base around the central column, the device also comprises a press-fitting table which is arranged above the base and is parallel to the coil mounting seats on the base, and the press-fitting table is driven by the central column to move up and down. By using the device, the dimension of the transformer coil in the short axis direction can be corrected, and meanwhile, the production efficiency and the press-fitting quality of the transformer coil can be improved.
Description
Technical Field
The invention relates to the field of transformer coil manufacturing, in particular to a transformer coil press-fitting device.
Background
The transformer coil is an electric loop for inputting and outputting electric energy of the transformer and is a main component of the transformer. At present, circular and oblong coils are mainly used in a transformer, the oblong coil has the advantages of saving iron core materials and reducing no-load loss compared with the circular coil, but has the problems of low winding speed and difficult control of coil quality, the most prominent problem is that the dimension of the oblong coil in the short axis direction is out of tolerance, if the dimension of the short axis direction exceeds about 10mm of a design value, the inter-phase distance of a transformer body coil of the transformer in the final assembly process is too small, so that the transformer is difficult to assemble, the safety distance is not enough, the design requirements are not met, and inter-phase short circuit is easy to occur to affect the quality of products.
In the prior art, a technician only uses a mallet to knock the short shaft of the coil during winding, but because the coil has higher hardness, one surface of the coil is knocked flat and the other surface of the coil is arched, so that the rebound of the coil cannot be completely eliminated, the efficiency is lower, and the quality of a product is difficult to ensure by using a manual knocking mode.
Disclosure of Invention
The invention aims to provide a transformer coil press-fitting device which can correct the dimension of a transformer coil in the short axis direction and can improve the production efficiency and the press-fitting quality of the transformer coil.
In order to achieve the purpose, the transformer coil press-mounting device adopts the following technical scheme:
the technical scheme 1: the transformer coil press-fitting device comprises a base, wherein a central column is arranged in the center of the base, more than two coil mounting seats are uniformly distributed on the upper end face of the base around the central column, the device further comprises a press-fitting table arranged above the base and in parallel with the coil mounting seats on the base, and the press-fitting table is driven by the central column to move up and down.
The beneficial effects are that: the use receives center post driven pressure equipment platform to come to carry out the pressure equipment to placing the coil on the base in the coil mount pad and can guarantee that the dynamics of pressure equipment at every turn is the same, and the pressure equipment platform parallel with the coil mount pad is unanimous in the ascending deformation of minor axis direction of coil when guaranteeing the pressure equipment coil, the precision of pressure equipment at every turn has been improved, it can carry out the pressure equipment to a plurality of coils at an extruded in-process to be provided with a plurality of coil mount pads simultaneously on the base, the efficiency of pressure equipment has been improved, transformer coil after the pressure equipment is receiving electronic mechanical force, especially when taking place the short circuit, stability is higher.
The technical scheme 2 is as follows: on the basis of technical scheme 1, the base is regular hexagon, be equipped with three coil mount pad on the base, the mount pad sets up rather than corresponding side parallel.
The beneficial effects are that: the regular hexagon base is used, so that technicians can conveniently set the coil mounting seats parallel to the corresponding side edges on the base, and the three coil mounting seats are uniformly arranged on the base, so that the coils arranged in the coil mounting seats can be guaranteed to be uniformly pressed by the pressing table in the process of one-time pressing.
Technical scheme 3: on the basis of the technical scheme 1 or 2, the coil mounting seat is of a planar structure.
The beneficial effects are that: the planar structure is used, the surface quality of the coil in the press fitting process can be guaranteed, the plane does not need to be processed in other procedures, and the assembly task is reduced.
The technical scheme 4 is as follows: on the basis of the technical scheme 1, the press-fitting device comprises a driving mechanism in transmission connection with the central column.
The beneficial effects are that: the driving mechanism can improve the efficiency of press mounting of the transformer coil.
The technical scheme 5 is as follows: on the basis of the technical scheme 4, the press-fitting device further comprises a control system in control connection with the driving mechanism.
The beneficial effects are that: the control system can control the movement of the driving mechanism, so that the movement of the press-fitting table is controlled to ensure the displacement of the press-fitting table and the deformation of the coil in the press-fitting process, and the surface quality of the coil is improved.
The technical scheme 6 is as follows: on the basis of the technical scheme 5, the driving mechanism is a servo motor which is in transmission connection with the central column through a transmission structure.
The beneficial effects are that: the servo motor is controlled by the control system, fine processing of the coil can be achieved, the feeding amount of each time is calculated by the computer in the control system, and the processing quality of the transformer coil is improved.
The technical scheme 7 is as follows: on the basis of the technical scheme 6, the transmission structure is a lead screw and nut mechanism.
The beneficial effects are that: the lead screw nut mechanism is high in movement precision and small in friction resistance, accurate movement control of the press mounting table can be achieved, and the processing quality of the coil is improved.
The technical scheme 8 is as follows: on the basis of any one of the technical schemes 4 to 7, the press-fitting device comprises a detection device arranged on the press-fitting table, and the detection device is a laser displacement sensor.
The beneficial effects are that: the detection device is additionally arranged, so that the displacement of the press-fitting table can be detected in the press-fitting process, the deformation of the coil can be conveniently controlled to ensure the outer diameter of the coil, and the press-fitting efficiency and precision are improved.
Technical scheme 9: on the basis of the technical scheme 8, the measuring reference surface of the laser displacement sensor is arranged on the upper surface of the base.
The beneficial effects are that: the measuring reference surface of the detecting device is arranged on the upper surface of the base, so that technicians can arrange sensors on the press fitting device for detection.
Drawings
FIG. 1 is a schematic diagram of a part of a press-fitting device for transformer coils according to the present invention;
FIG. 2 is a schematic diagram of a base structure of the transformer coil press-fitting device according to the present invention;
fig. 3 is a schematic structural diagram of a control system and a driving mechanism in the transformer coil press-fitting device of the present invention.
In the figure: 1. a base; 2. a press mounting table; 3. a central column; 4. a working surface; 5. a digital laser displacement sensor; 6. a coil; 7. a computer; 8. a cabinet body; 9. a servo motor.
Detailed Description
As shown in fig. 1 to 3, which are an embodiment of the transformer coil press-fitting device in the present invention, the transformer coil press-fitting device includes a base 1, the base 1 is in a regular hexagon structure, coil mounting seats are disposed on every other side of the base 1, and the coil mounting seats are parallel to the side corresponding to the position of the coil mounting seats. In this example, the coil mount is a planar structure. The center of the base 1 is provided with a center post 3 which is arranged along the vertical direction, the center post 3 is connected with a servo motor 9 through a screw-nut mechanism, wherein a screw is arranged in the center post 3 in a guiding manner, and the servo motor 9 is connected with a nut matched with the screw. A press mounting table 2 is arranged on the central column 3, the press mounting table 2 is parallel to the coil mounting seat, and a working surface 4 parallel to the coil mounting seat on the base 1 is arranged on the lower end surface of the press mounting table 2.
A servo motor 9 for driving the press mounting table 2 to move vertically on the central column 3 is arranged in a cabinet body 8, and a computer 7 capable of controlling the servo motor 9 to move is arranged on the cabinet body 8. And a digital laser displacement sensor 5 capable of detecting the deformation quantity of the coil in the press-fitting process is arranged on the press-fitting table 2, and a measuring reference surface of the digital laser displacement sensor 5 is arranged on the upper end surface of the base 1.
When a technician uses the device to press-fit a transformer coil, the oblong coil 6 can be directly placed on the coil mounting seat on the base 1, namely, the plane of the coil can be placed, so that a lead wound in the coil contacts with the coil mounting seat. At the moment, three coils 6 are placed on the coil mounting seat, the press-fitting device is started, the servo motor 9 drives the nut to rotate, the nut is in transmission fit with the lead screw in the central column 3 to drive the press-fitting table 2 to move up and down on the central column 3, the coil 6 on the coil mounting seat is extruded downwards by the working surface 4 below the press-fitting table 2, the wire in the long axis direction on the coil 6 moves downwards under the pressure generated by the working surface 4 on the surface, contacted with the working surface 4, of the coil 6, at the moment, the wire in the long axis direction moves downwards to drive the convex arc-shaped wire in the short axis direction to move towards the inner side of the long circular coil 6, so that the short axis distance is shortened, the out-of-tolerance of the short axis size of the coil 6 is reduced, meanwhile, on the surface, contacted with the coil mounting seat, of the coil 6, the coil 6 is subjected to the supporting force generated by the coil mounting seat to extrude the wire of the convex, the size of the short axis out of tolerance is reduced. In the press mounting process, the digital laser displacement sensor 5 arranged on the press mounting table 2 can be measured by calculating and measuring a measuring reference surface arranged on the press mounting table 2 to obtain the displacement of the press mounting table 2, so that the size of the coil 6 is ensured, and if the size of the coil 6 meets the requirement, the computer 7 sends out an instruction to drive the servo motor 9 to stop press mounting the coil 6.
In other embodiments, the base may be arranged in other ways, such as arranging the base in a circle and then arranging the coil mounts evenly around the center of the circle. Or the base is set to be in a structure which can ensure that all points on the top surface of the base are in central symmetry, the base can be set to be round or square, and the like, and the coil mounting base is convenient for technicians to design on the base.
In other embodiments, the arrangement mode of the coil mounting seat can be set to other modes, for example, the coil mounting seat is set to be a groove matched with the side profile of the coil to be processed, the coil is placed in the groove for press mounting, the groove can provide limiting on the horizontal plane for the coil, and the press mounting quality of the coil is better ensured.
In other embodiments, the arrangement mode of the press-fitting table may be set to other forms, for example, the press-fitting table may not be parallel to the coil mounting seat on the base, as long as it is ensured that the working surface of the lower end surface of the press-fitting table is parallel to the coil mounting seat.
In other embodiments, the driving mechanism may be provided in other forms, such as a hydraulic cylinder, which can work stably in a heavy load environment.
In other embodiments, the transmission structure may be configured in other forms, for example, the transmission structure is configured as a rack-and-pinion mechanism, the servo motor is in transmission connection with a gear, the gear rotates to drive the rack to move up and down, and the rack is connected with the press-fitting table on the central column to realize the up-and-down direct movement of the press-fitting table.
In other embodiments, the reference surface of the detection device may also be provided at other locations, such as by providing the reference surface on a structure within the base, or by providing the reference surface on the bottom surface of the base.
In other embodiments, the press-fitting device may not be provided with a detection device or a control system.
Claims (3)
1. Transformer coil pressure equipment device, its characterized in that: the device comprises a base, a central column is arranged in the center of the base, more than two coil mounting seats are uniformly distributed on the upper end face of the base around the central column, and the device also comprises a press mounting table which is arranged above the base and is parallel to the coil mounting seats on the base, the press mounting table is arranged on the central column, and the press mounting table is driven by the central column to move up and down; the press-fitting device comprises a driving mechanism in transmission connection with the central column; the press-fitting device also comprises a control system in control connection with the driving mechanism; the driving mechanism is a servo motor which is in transmission connection with the central column through a transmission structure; the transmission structure is a screw nut mechanism; a screw rod of a screw rod nut mechanism is arranged in the central column in a guiding manner, and the servo motor is connected with a nut on the screw rod nut mechanism; the servo motor drives a nut to rotate, and the nut is in transmission fit with a lead screw in the central column so as to drive the press mounting table to move up and down on the central column; the press-fitting device comprises a detection device arranged on the press-fitting table, and the detection device is a laser displacement sensor; and the measuring reference surface of the laser displacement sensor is arranged on the upper surface of the base.
2. A press-fitting device according to claim 1, wherein: the base is regular hexagon, be equipped with three coil mount pad on the base, the mount pad sets up rather than corresponding side parallel.
3. A press-fitting device according to claim 1 or 2, wherein: the coil mounting seat is of a plane structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711175729.2A CN109817446B (en) | 2017-11-22 | 2017-11-22 | Transformer coil press-mounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711175729.2A CN109817446B (en) | 2017-11-22 | 2017-11-22 | Transformer coil press-mounting device |
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| Publication Number | Publication Date |
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| CN109817446A CN109817446A (en) | 2019-05-28 |
| CN109817446B true CN109817446B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711175729.2A Active CN109817446B (en) | 2017-11-22 | 2017-11-22 | Transformer coil press-mounting device |
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Citations (8)
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|---|---|---|---|---|
| CN101593621A (en) * | 2009-04-08 | 2009-12-02 | 西安启源机电装备股份有限公司 | The method for designing of fully-automatic computer numerical control press machine |
| CN101702374A (en) * | 2009-12-04 | 2010-05-05 | 卧龙电气集团股份有限公司 | Transformer coil press machine |
| CN202996575U (en) * | 2012-11-08 | 2013-06-12 | 重庆重变电器有限责任公司 | Transformer coil compression device |
| CN204117843U (en) * | 2014-09-02 | 2015-01-21 | 国家电网公司 | Transformer wire bag pre-press equipment |
| CN104599824A (en) * | 2015-01-15 | 2015-05-06 | 安徽省神虹变压器股份有限公司 | Fastening device of device body of three-dimensional reel iron core transformer |
| WO2015155876A1 (en) * | 2014-04-10 | 2015-10-15 | 三菱電機株式会社 | Coil manufacturing apparatus and rotating electrical machine |
| CN106225680A (en) * | 2016-07-25 | 2016-12-14 | 北京英创汇智科技有限公司 | A kind of spool displacement measurement apparatus based on laser displacement sensor and method |
| CN205845701U (en) * | 2016-07-20 | 2016-12-28 | 安徽省神虹变压器股份有限公司 | Amorphous alloy coil shaping tool |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0121258Y1 (en) * | 1995-05-18 | 1998-08-01 | 배순훈 | Device for fixing a rotary transformer of a head drum |
-
2017
- 2017-11-22 CN CN201711175729.2A patent/CN109817446B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593621A (en) * | 2009-04-08 | 2009-12-02 | 西安启源机电装备股份有限公司 | The method for designing of fully-automatic computer numerical control press machine |
| CN101702374A (en) * | 2009-12-04 | 2010-05-05 | 卧龙电气集团股份有限公司 | Transformer coil press machine |
| CN202996575U (en) * | 2012-11-08 | 2013-06-12 | 重庆重变电器有限责任公司 | Transformer coil compression device |
| WO2015155876A1 (en) * | 2014-04-10 | 2015-10-15 | 三菱電機株式会社 | Coil manufacturing apparatus and rotating electrical machine |
| CN204117843U (en) * | 2014-09-02 | 2015-01-21 | 国家电网公司 | Transformer wire bag pre-press equipment |
| CN104599824A (en) * | 2015-01-15 | 2015-05-06 | 安徽省神虹变压器股份有限公司 | Fastening device of device body of three-dimensional reel iron core transformer |
| CN205845701U (en) * | 2016-07-20 | 2016-12-28 | 安徽省神虹变压器股份有限公司 | Amorphous alloy coil shaping tool |
| CN106225680A (en) * | 2016-07-25 | 2016-12-14 | 北京英创汇智科技有限公司 | A kind of spool displacement measurement apparatus based on laser displacement sensor and method |
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| CN109817446A (en) | 2019-05-28 |
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