CN113674963A - Positioning device and workbench for three-dimensional wound core of transformer - Google Patents
Positioning device and workbench for three-dimensional wound core of transformer Download PDFInfo
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- CN113674963A CN113674963A CN202110829565.0A CN202110829565A CN113674963A CN 113674963 A CN113674963 A CN 113674963A CN 202110829565 A CN202110829565 A CN 202110829565A CN 113674963 A CN113674963 A CN 113674963A
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- guide
- wound core
- dimensional wound
- supporting
- movable block
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses a positioning device and a workbench of a three-dimensional wound core of a transformer in the technical field of transformers, which comprise a support body; a rotating part is arranged on one side of the supporting body and rotates around the axis of the supporting body; the other side of the support body is provided with a plurality of guide grooves along the radial direction of the support body, and the guide grooves are uniformly arranged around the central axis of the support body; the guide groove is connected with a guide movable block in a sliding manner; each guide movable block is driven by rotating the rotating piece; one end face of the rotating piece is provided with spiral teeth, and each guide movable block is provided with teeth meshed with the teeth; the guide movable block is provided with a supporting clamping jaw for fixing the three-dimensional wound core; in the invention, each guide movable block is driven by rotating the rotating part to enable each guide movable block to synchronously and radially move, the working range of the supporting clamping jaw can be simultaneously enlarged or reduced, the central positions are always consistent, and the three-dimensional wound core is automatically centered in the process of fixing the three-dimensional wound core.
Description
Technical Field
The invention belongs to the technical field of transformer processes, and particularly relates to a positioning device and a workbench for a three-dimensional wound core of a transformer.
Background
The three-dimensional wound core is formed by combining three core frames with the same shape, as shown in fig. 4-5, the axes of three single frames of the three-dimensional wound core mutually form an angle of 120 degrees, the supporting surface is a plane and an arc surface which form an angle of 30 degrees with the horizontal plane, each single frame core is usually formed by continuously winding a plurality of long silicon steel sheets after being bent and cut, magnetic circuits are uniformly distributed at all positions, a high magnetic resistance area formed by joints of other core structures is avoided, the distortion phenomenon of magnetic flux density at the joints is avoided, and the three-dimensional wound core transformer has the advantages of small volume, light weight, small no-load current, low noise and the like.
When the three-dimensional wound core transformer coil is wound, the coil needs to be wound on a prefabricated iron core, iron core supporting clamping jaws on two sides need to be adjusted respectively when the iron core is installed, so that a supporting surface of the supporting clamping jaw is overlapped with a supporting surface of the iron core, the three supporting clamping jaws on two sides need to be adjusted respectively and independently, the three clamping jaw supporting surfaces are difficult to contact with the iron core simultaneously, the overlapping of the central axis of the iron core and the central axis of a machine tool cannot be realized, and the difficulty is brought to the subsequent winding of the coil.
Disclosure of Invention
The invention aims to provide a positioning device and a workbench for a three-dimensional wound core of a transformer, which solve the technical problems of poor positioning precision and difficult adjustment in the prior art during the installation of the core.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a positioning device for a three-dimensional wound core of a transformer comprises a support body;
a rotating part is arranged on one side of the supporting body and rotates around the axis of the supporting body;
the other side of the support body is provided with a plurality of guide grooves along the radial direction of the support body, and the guide grooves are uniformly arranged around the central axis of the support body; the guide groove is connected with a guide movable block in a sliding manner;
each guide movable block is driven by rotating the rotating piece; one end face of the rotating piece is provided with spiral teeth, and each guide movable block is provided with teeth meshed with the teeth;
and the guide movable block is provided with a supporting clamping jaw for fixing the three-dimensional wound core.
Preferably, the support body is provided with three guide grooves which form an angle of 120 degrees with each other; the guide groove is of a T-shaped structure.
Preferably, the end face of the support body is provided with a plurality of bosses, and the bosses correspond to the guide grooves one to one; the guide groove is arranged on the boss; the middle part of the support body is hollowed.
Preferably, the teeth and teeth are rectangular in cross-section.
Preferably, the rotating part is annular, the circle center of the rotating part is overlapped with the axis of the supporting part, the supporting part is provided with a mounting groove and a limiting block, and the rotating part is embedded in the mounting groove; the rotating piece is limited in the mounting groove through a limiting block.
Preferably, the rotating member is provided with a plurality of rotating handles around the rotating member.
Preferably, the guide movable block is provided with a guide body for installing and supporting the clamping jaw; the supporting clamping jaw is provided with a connecting groove matched with the guide body; the supporting clamping jaw is fixed on the guide movable block through a screw.
Preferably, the supporting clamping jaw is provided with two positioning surfaces, one positioning surface is a plane forming an angle of 30 degrees with the axis of the supporting body, the other positioning surface is an arc surface, and the two positioning surfaces are combined into a V shape.
A workbench is provided with two sliding tables which slide relative to each other; the sliding table is provided with the positioning device; the transformer three-dimensional wound core is limited between the two positioning devices.
Compared with the prior art, the invention has the following beneficial effects:
in the invention, one end surface of the rotating piece is provided with spiral teeth, and each guide movable block is provided with teeth meshed with the teeth; each guide movable block is driven by rotating the rotating part to enable each guide movable block to synchronously and radially move, the working range of the supporting clamping jaw can be simultaneously enlarged or reduced, the central position is consistent all the time, and the iron core is automatically centered in the process of fixing the three-dimensional wound iron core.
The invention utilizes the guide grooves of the support body to mutually form an angle of 120 degrees, keeps the axes of the three support clamping jaws to form an angle of 120 degrees and is matched with the supporting surface of the iron core to be clamped; the supporting clamping jaw is provided with two positioning surfaces, one positioning surface is a plane forming an angle of 30 degrees with the axis of the supporting body, the other positioning surface is an arc surface, the two positioning surfaces are combined into a V shape, and the main support of the plane positioning surface of the three-dimensional wound iron core and the auxiliary support of the arc positioning surface better solve the problem of amorphous alloy three-dimensional wound iron core deformation caused by independent support.
Drawings
Fig. 1 is a structural diagram of a positioning device for a three-dimensional wound core of a transformer according to an embodiment of the present invention;
FIG. 2 is a structural view of a support body according to an embodiment of the present invention;
FIG. 3 is a block diagram of a guide movable block provided in an embodiment of the present invention;
fig. 4 is a structural view of a three-dimensional wound core according to an embodiment of the present invention;
fig. 5 is a sectional view taken along the line a-a in fig. 4 according to the present invention.
In the figure: the three-dimensional iron core comprises a rotating piece 1, a rotating handle 11, a tooth 12, a guide movable block 2, a tooth 21, a guide body 22, a support clamping jaw 3, a first positioning surface 31, a second positioning surface 32, a support body 4, a boss 41, a guide groove 42, a limiting block 5, a screw 6 and a three-dimensional iron core 7.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Example one
As shown in fig. 1 to 3, a positioning device for a three-dimensional wound core of a transformer comprises a support body 4; a rotating part 1 is arranged on one side of the supporting body 4, the rotating part 1 is annular, the circle center of the rotating part 1 is superposed with the axis of the supporting body 4, and the rotating part 1 rotates around the axis of the supporting body 4; the supporting body 4 is provided with a mounting groove and a limiting block 5, and the rotating part 1 is embedded in the mounting groove; the rotating piece 1 is limited in the mounting groove through a limiting block 5, and the rotating piece 1 is prevented from being separated from the mounting groove of the supporting body 4; the rotating part 1 is provided with a plurality of rotating handles 11 in a surrounding mode, and the rotating part 1 is rotated through the rotating handles 11.
The other side of the support body 4 is provided with three guide grooves 42 along the radial direction of the support body, the three guide grooves 42 on the support body 4 form an angle of 120 degrees with each other, and the plurality of guide grooves 42 are uniformly arranged around the central axis of the support body; the guide groove 42 is of a T-shaped structure, and the T-shaped structure can prevent the guide movable block 2 from being separated from the support body 4; the end face of the support body 4 is provided with a plurality of bosses 41, and the bosses 41 correspond to the guide grooves 42 one by one; the guide groove 42 is arranged on the boss 41; the height of the boss 41 is 10 mm; the boss 41 enhances the strength and rigidity of the joint of the support body 4 and reduces the area needing to be processed; the middle part of the support body 4 is hollowed, the hollowed shape is cylindrical, the diameter of the hollowed shape is 365mm, and the weight of the support body 4 is reduced through the hollowed shape.
The guide groove 42 is connected with a guide movable block 2 in a sliding manner; each guide movable block 2 is driven by rotating the rotating part 1; one end surface of the rotating piece 1 is provided with spiral teeth 12, and each guide movable block 2 is provided with teeth 21 meshed with the teeth; the teeth 12 and 21 are rectangular in cross-section for better force transmission; the mounting groove is communicated with the guide groove to ensure that the teeth 12 of the rotating part can be meshed with the teeth 21 of the guide movable block; and the guide movable block 2 is provided with a supporting clamping jaw 3 for fixing the three-dimensional wound core.
The guide movable block 2 is provided with a guide body 22 for installing the supporting clamping jaw 3; the supporting clamping jaw 3 is provided with a connecting groove matched with the guide body; the supporting clamping jaw 3 is fixed on the guide movable block 2 through a screw 6, and the supporting clamping jaw 3 and the guide movable block 2 are integrated; the supporting clamping jaw 3 is provided with a first positioning surface 31 and a second positioning surface, the second positioning surface 32 is a plane which forms an angle of 30 degrees with the axis of the supporting body, the first positioning surface 31 is an arc surface with the radius of about 300mm, the two positioning surfaces are combined into a V shape, and the main support of the plane positioning surface of the three-dimensional wound core 4 and the auxiliary support of the arc positioning surface are used for supporting the three-dimensional wound core, so that the problem of deformation of the amorphous alloy three-dimensional wound core caused by independent support is solved well.
Example two
A workbench is provided with two sliding tables which slide relative to each other; the sliding table is provided with the positioning device; the transformer three-dimensional wound core 7 is limited between the two positioning devices.
The working principle is as follows: the three-dimensional wound core 7 is placed on a workbench, according to the height and the size of the three-dimensional wound core 7 to be installed, a sliding table which slides oppositely or backwards is used for moving the inner blocking size of the supporting clamping jaw 3 in the left and right directions of the left and right supporting bodies 4 to be 30-50 mm higher than the three-dimensional wound core 7, a rotating handle 11 of a rotating piece 1 is rotated, the rotating piece 1 drives the guiding movable block 2 to slide along a guiding groove 42, the radial direction position of the left and right moving supporting clamping jaw 3 is adjusted to be basically consistent with the three-dimensional wound core 7, the three-dimensional wound core 7 is hung to the central position of an installation device by a crane, a distance reducing button of the left and right supporting bodies 4 is clicked, the sliding table slides relatively, according to the position conditions of the three-dimensional wound core 7 and the supporting clamping jaw 3, the rotating piece 1 is rotated to ensure that a second positioning surface 32 of the supporting clamping jaw 3 is superposed with the plane positioning surface of the three-dimensional wound core 7, and a first positioning surface 31 is contacted with the circular arc surface of the three-dimensional wound core 7, after confirming that the supports of all parts are reliable, the travelling crane sling is removed, and when the three-dimensional wound iron core 7 with the same model is assembled again, the three-dimensional wound iron core 7 and the workbench can be quickly positioned and installed by only adjusting the left and right positions of the left and right supporting bodies 4.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A positioning device for a three-dimensional wound core of a transformer is characterized by comprising a support body (4);
a rotating part (1) is arranged on one side of the supporting body (4), and the rotating part (1) rotates around the axis of the supporting body (4);
a plurality of guide grooves (42) are formed in the other side of the support body (4) along the radial direction of the support body, and the guide grooves (42) are uniformly arranged around the central axis of the support body (4); the guide groove (42) is connected with a guide movable block (2) in a sliding manner;
each guide movable block (2) is driven by rotating the rotating part (1); one end surface of the rotating piece (1) is provided with spiral teeth (12), and each guide movable block (2) is provided with teeth (21) meshed with the teeth (12);
and the guide movable block (2) is provided with a supporting clamping jaw (3) for fixing the three-dimensional wound core.
2. The positioning device of the transformer three-dimensional wound core according to claim 1, wherein the support body (4) is provided with three guide grooves (42) forming an angle of 120 ° with each other; the guide groove (42) is of a T-shaped structure.
3. The positioning device of the three-dimensional wound core of the transformer according to claim 1 or 2, characterized in that a plurality of bosses (41) are arranged on the end surface of the supporting body (4), and the bosses (41) correspond to the guide grooves (42) one by one; the guide groove (42) is arranged on the boss (41); the middle part of the support body (4) is hollowed.
4. The positioning device for the stereoscopic wound core of the transformer according to claim 1, wherein the teeth (12) and the teeth (21) have a rectangular cross section.
5. The positioning device of the three-dimensional wound core of the transformer according to claim 1, wherein the rotating member (1) is circular, the center of the rotating member (1) coincides with the axis of the supporting member (4), the supporting member (4) is provided with a mounting groove and a limiting block (5), and the rotating member (1) is embedded in the mounting groove; the rotating piece (1) is limited in the mounting groove through a limiting block (5).
6. The positioning device for the transformer three-dimensional wound core according to claim 5, wherein the rotating member (1) is provided with a plurality of rotating handles (11) around.
7. The positioning device of the transformer three-dimensional wound core according to claim 1, characterized in that a guide body (22) for mounting a supporting clamping jaw is arranged on the guide movable block (2); the supporting clamping jaw (3) is provided with a connecting groove matched with the guide body; the supporting clamping jaw (3) is fixed on the guide movable block (2) through a screw (6).
8. The positioning device of the transformer three-dimensional wound core according to claim 1 or 7, wherein the supporting jaw (3) is provided with two positioning surfaces, one positioning surface is a plane forming an angle of 30 degrees with the axis of the supporting body, the other positioning surface is a circular arc surface, and the two positioning surfaces are combined into a V shape.
9. A workbench is provided with two sliding tables which slide relative to each other; the device is characterized in that the sliding table is provided with a positioning device as claimed in any one of claims 1 to 8; the transformer three-dimensional wound core (7) is limited between the two positioning devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110829565.0A CN113674963B (en) | 2021-07-22 | 2021-07-22 | Positioning device and workbench for three-dimensional wound core of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110829565.0A CN113674963B (en) | 2021-07-22 | 2021-07-22 | Positioning device and workbench for three-dimensional wound core of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113674963A true CN113674963A (en) | 2021-11-19 |
| CN113674963B CN113674963B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110829565.0A Active CN113674963B (en) | 2021-07-22 | 2021-07-22 | Positioning device and workbench for three-dimensional wound core of transformer |
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| Country | Link |
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| CN (1) | CN113674963B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3445076A (en) * | 1967-08-02 | 1969-05-20 | Herbert F Dalglish | Core chuck |
| CN101819874A (en) * | 2010-03-31 | 2010-09-01 | 王义明 | Winding machine for coiled core transformer |
| CN202695086U (en) * | 2012-07-31 | 2013-01-23 | 华通机电股份有限公司 | Coiling locating device of transformer triangular iron core |
| CN105161280A (en) * | 2015-09-19 | 2015-12-16 | 齐会南 | Automatic forming machine for triangular reel iron cores |
| CN206595146U (en) * | 2017-03-31 | 2017-10-27 | 金三角电力科技股份有限公司 | A kind of triangle three-dimensional winding iron core coiling fixture, foil winding equipment and coil winding machine |
| US20190061176A1 (en) * | 2017-08-24 | 2019-02-28 | Seiko Epson Corporation | Robot hand jig and robot |
| CN110068778A (en) * | 2019-03-27 | 2019-07-30 | 东华大学 | A kind of U-shaped silicon sheet core automated exchanged cutter and magnetic property detection device |
| CN209691575U (en) * | 2019-05-14 | 2019-11-26 | 慈溪市大华电器有限公司 | A kind of amorphous Triangular Three Dimensional Wound Core tinsel cord automatic winding mechanism |
-
2021
- 2021-07-22 CN CN202110829565.0A patent/CN113674963B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3445076A (en) * | 1967-08-02 | 1969-05-20 | Herbert F Dalglish | Core chuck |
| CN101819874A (en) * | 2010-03-31 | 2010-09-01 | 王义明 | Winding machine for coiled core transformer |
| CN202695086U (en) * | 2012-07-31 | 2013-01-23 | 华通机电股份有限公司 | Coiling locating device of transformer triangular iron core |
| CN105161280A (en) * | 2015-09-19 | 2015-12-16 | 齐会南 | Automatic forming machine for triangular reel iron cores |
| CN206595146U (en) * | 2017-03-31 | 2017-10-27 | 金三角电力科技股份有限公司 | A kind of triangle three-dimensional winding iron core coiling fixture, foil winding equipment and coil winding machine |
| US20190061176A1 (en) * | 2017-08-24 | 2019-02-28 | Seiko Epson Corporation | Robot hand jig and robot |
| CN110068778A (en) * | 2019-03-27 | 2019-07-30 | 东华大学 | A kind of U-shaped silicon sheet core automated exchanged cutter and magnetic property detection device |
| CN209691575U (en) * | 2019-05-14 | 2019-11-26 | 慈溪市大华电器有限公司 | A kind of amorphous Triangular Three Dimensional Wound Core tinsel cord automatic winding mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 夏长富: "《数控车船编程与操作》", 北京邮电大学出版社, pages: 30 - 32 * |
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| CN113674963B (en) | 2023-07-28 |
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