CN113674963B - 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
- Publication number
- CN113674963B CN113674963B CN202110829565.0A CN202110829565A CN113674963B CN 113674963 B CN113674963 B CN 113674963B CN 202110829565 A CN202110829565 A CN 202110829565A CN 113674963 B CN113674963 B CN 113674963B
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- Prior art keywords
- supporting
- guide
- movable block
- dimensional wound
- clamping jaw
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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)
- Housings And Mounting Of Transformers (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention discloses a positioning device and a workbench of a three-dimensional wound core of a transformer, which belong to the technical field of transformers, and comprise a supporting body; a rotating piece is arranged on one side of the support body and rotates around the axis of the support body; the other side of the support body is radially provided with a plurality of guide grooves along 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; a spiral tooth is arranged on one end face of the rotating piece, and each guide movable block is provided with teeth meshed with the tooth; the guide movable block is provided with a supporting clamping jaw for fixing the three-dimensional wound core; according to the invention, each guide movable block is driven by rotating the rotating piece, so that each guide movable block synchronously and radially moves, the working range of the supporting clamping jaw can be increased or reduced simultaneously, the central positions are consistent all the time, and the guide movable blocks are automatically centered in the process of fixing the three-dimensional iron core.
Description
Technical Field
The invention belongs to the technical field of transformer processes, and particularly relates to a positioning device and a workbench of a three-dimensional wound core of a transformer.
Background
The three-dimensional wound iron core is formed by combining three iron core frames with identical shapes, as shown in fig. 4-5, three single frame axes of the three-dimensional wound iron core form an angle of 120 degrees with each other, a supporting surface is a plane forming an angle of 30 degrees with a horizontal plane and an arc surface, each single frame iron core is formed by continuously winding a plurality of long silicon steel sheets after being bent and sheared, the magnetic circuit is uniformly distributed at all parts, a high magnetic resistance area formed by joints of other iron core structures is avoided, and the three-dimensional wound iron 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 is required to be wound on a core which is prefabricated in advance, when the core is installed, core supporting clamping claws on two sides are required to be respectively adjusted, so that supporting surfaces of the supporting clamping claws are overlapped with supporting surfaces of the core, three supporting clamping claws on two sides are required to be respectively and independently adjusted, simultaneous contact between the three clamping claw supporting surfaces and the core is difficult to realize, and the superposition of a core central axis and a machine tool central axis is difficult to realize subsequent coil winding.
Disclosure of Invention
The invention aims to provide a positioning device and a workbench for a three-dimensional wound iron core of a transformer, which solve the technical problems of poor positioning precision and difficult adjustment in the iron core installation in the prior art.
In order to achieve the above 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 piece is arranged on one side of the support body and rotates around the axis of the support body;
the other side of the support body is radially provided with a plurality of guide grooves along 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; a spiral tooth is arranged on one end face of the rotating piece, and each guide movable block is provided with teeth meshed with the tooth;
the guide movable block is provided with a supporting clamping jaw for fixing the three-dimensional wound core.
Preferably, three guide grooves which are 120 degrees apart from each other are arranged on the support body; 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 are in one-to-one correspondence with the guide grooves; the guide groove is arranged on the boss; the middle part of the supporting body is hollowed out.
Preferably, the teeth and the cross section of the teeth are rectangular.
Preferably, the rotating piece is in a circular shape, the circle center of the rotating piece coincides with the axis of the supporting body, the supporting body is provided with a mounting groove and a limiting block, and the rotating piece is embedded in the mounting groove; the rotating member is restricted in the mounting groove by a restricting block.
Preferably, the rotating member is provided with a plurality of rotating handles around.
Preferably, the guiding movable block is provided with a guiding body for installing the supporting 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 guiding 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 a sliding table which slides relatively; the sliding table is provided with the positioning device; the three-dimensional wound core of the transformer is limited between the two positioning devices.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, a spiral tooth is arranged on one end face of the rotating piece, and each guiding movable block is provided with teeth meshed with the tooth; the guide movable blocks are driven by rotating the rotating piece, so that the guide movable blocks synchronously and radially move, the working range of the supporting clamping jaw can be increased or reduced simultaneously, the central positions are consistent all the time, and the guide movable blocks are automatically centered in the process of fixing the three-dimensional iron core.
According to the invention, the guide grooves of the supporting body form an angle of 120 degrees with each other, so that the angles of 120 degrees between the axes of the three supporting clamping jaws are kept to be 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 iron core and the auxiliary support of the arc positioning surface are used for better solving the problem of deformation of the three-dimensional iron core of the amorphous alloy 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 block diagram of a support provided by an embodiment of the present invention;
FIG. 3 is a block diagram of a guide movable block provided by an embodiment of the present invention;
fig. 4 is a structural view of a three-dimensional wound core provided in an embodiment of the present invention;
fig. 5 is a cross-sectional view taken along the direction A-A in fig. 4 in accordance with the present invention.
In the figure: the three-dimensional rolling iron core comprises a rotating piece 1, a rotating handle 11, a tooth 12, a guiding movable block 2, a tooth 21, a guiding body 22, a supporting clamping jaw 3, a first positioning surface 31, a second positioning surface 32, a supporting body 4, a boss 41, a guiding groove 42, a limiting block 5, a screw 6 and a three-dimensional rolling iron core 7.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present invention refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.
Examples
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 piece 1 is arranged on one side of the supporting body 4, the rotating piece 1 is in a circular ring shape, the circle center of the rotating piece 1 coincides with the axis of the supporting body 4, and the rotating piece 1 rotates around the axis of the supporting body 4; the support body 4 is provided with a mounting groove and a limiting block 5, and the rotating piece 1 is embedded in the mounting groove; the rotating piece 1 is limited in the mounting groove through a limiting block 5, so that the rotating piece 1 is prevented from being separated from the mounting groove of the supporting body 4; the rotating member 1 is provided with a plurality of rotating handles 11 around, and the rotating member 1 is rotated by the rotating handles 11.
Three guide grooves 42 are formed in the other side of the support body 4 along the radial direction of the support body, the three guide grooves 42 on the support body 4 form angles of 120 degrees with each other, and a plurality of guide grooves 42 are uniformly arranged around the central axis of the support body; the guide groove 42 is in 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 are in one-to-one correspondence with the guide grooves 42; the guide groove 42 is arranged on the boss 41; the height of the boss 41 is 10mm; the boss 41 enhances the strength and rigidity of the joint of the support body 4 and reduces the area to be processed; the middle part of the support body 4 is provided with a hollow, the hollow is cylindrical, the diameter of the hollow is 365mm, and the weight of the support body 4 is reduced through the hollow.
The guide groove 42 is connected with a guide movable block 2 in a sliding way; each guiding movable block 2 is driven by rotating the rotating piece 1; a spiral tooth 12 is arranged on one end face of the rotating piece 1, and each guide movable block 2 is provided with a tooth 21 meshed with the tooth; the teeth 12 and 21 are rectangular in cross section for better force transfer; the mounting groove is communicated with the guide groove, so that teeth 12 of the rotating piece can be meshed with teeth 21 of the guide movable block; 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 guiding movable block 2 through a screw 6, and the supporting clamping jaw 3 and the guiding 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 forming an angle of 30 degrees with the axis of the supporting body, the first positioning surface 31 is an arc surface with a radius of about 300mm, the two positioning surfaces are combined into a V shape, the main support of the plane positioning surface of the three-dimensional wound core 4 and the auxiliary support of the arc positioning surface better solve the problem of deformation of the three-dimensional wound core of the amorphous alloy caused by independent support.
Examples
A workbench is provided with a sliding table which slides relatively; the sliding table is provided with the positioning device; the transformer three-dimensional wound core 7 is limited between two positioning devices.
Working principle: the three-dimensional wound iron core 7 is placed on a workbench, according to the height dimension of the three-dimensional wound iron core 7 to be installed, a sliding table which slides relatively or backwards moves the inner opening dimension of the supporting clamping jaw 3 in the left-right direction of the left-right supporting body 4 to be 30-50 mm higher than that of the three-dimensional wound iron core 7, the rotating handle 11 of the rotating member 1 is rotated, the rotating member 1 drives the guiding movable block 2 to slide along the guiding groove 42, the radial direction position of the left-right moving supporting clamping jaw 3 is adjusted to be approximately consistent with that of the three-dimensional wound iron core 7, the three-dimensional wound iron core 7 is hung to the central position of the installation device by a crane, the distance between the left-right supporting body 4 is reduced by a click button, the sliding table slides relatively, and according to the position condition of the three-dimensional wound iron core 7 and the supporting clamping jaw 3, the first positioning surface 31 is contacted with the arc surface of the three-dimensional wound iron core 7, after the reliable supporting of each part is confirmed, the crane is removed, and when the same type three-dimensional wound iron core 7 is assembled again, the position of the left-right supporting body 4 in the left-right direction is adjusted, and the rapid positioning of the three-dimensional wound iron core 7 and the workbench can be installed.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. A workbench is provided with a sliding table which slides relatively; the device is characterized in that a positioning device is arranged on the sliding table; the three-dimensional wound core (7) of the transformer is limited between two positioning devices;
the positioning device comprises a supporting body (4); a rotating piece (1) is arranged on one side of the supporting body (4), and the rotating piece (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 piece (1); a spiral tooth (12) is arranged on one end face of the rotating piece (1), and each guide movable block (2) is provided with a tooth (21) meshed with the tooth (12);
a supporting clamping jaw (3) for fixing the three-dimensional wound core is arranged on the guide movable block (2); the supporting clamping 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 an arc surface, and the two positioning surfaces are combined into a V shape;
the three-dimensional wound iron core (7) is placed on a workbench, a sliding table which slides relatively or backwards is used for moving the supporting clamping jaw (3) in the left-right direction according to the height dimension of the three-dimensional wound iron core (7) to be installed, the opening dimension of the supporting clamping jaw (4) is adjusted to be 30-50 mm higher than that of the three-dimensional wound iron core (7), the rotating handle (11) of the rotating piece (1) is rotated, the rotating piece (1) drives the guiding movable block (2) to slide along the guiding groove (42), the radial direction position of the left-right moving supporting clamping jaw (3) is adjusted to be approximately consistent with that of the three-dimensional wound iron core (7), the three-dimensional wound iron core (7) is hung to the central position of the installation device by a crane, the sliding table slides relatively, the second positioning surface (32) of the supporting clamping jaw (3) is overlapped with the plane positioning surface of the three-dimensional wound iron core (7), the first positioning surface (31) is contacted with the arc surface of the three-dimensional wound iron core (7), and the crane is removed after the reliable supporting of each part is confirmed.
2. A workbench according to claim 1, wherein the support body (4) is provided with three guide grooves (42) at an angle of 120 ° to each other; the guide groove (42) is of a T-shaped structure.
3. A workbench according to claim 1 or 2, wherein the end face of the supporting body (4) is provided with a plurality of bosses (41), and the bosses (41) are in one-to-one correspondence with the guide grooves (42); the guide groove (42) is arranged on the boss (41); the middle part of the supporting body (4) is provided with a hollow-out part.
4. A table according to claim 1, characterized in that the teeth (12) and teeth (21) are rectangular in cross section.
5. A workbench according to claim 1, wherein the rotating member (1) is in a circular ring shape, the center of the circle of the rotating member (1) coincides with 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 member (1) is embedded in the mounting groove; the rotating piece (1) is limited in the mounting groove through a limiting block (5).
6. A table according to claim 5, characterized in that the swivel (1) is provided with a plurality of swivel handles (11) around.
7. A table according to claim 1, characterized in that the guiding movable block (2) is provided with a guiding body (22) for mounting a supporting jaw; 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 guiding movable block (2) through a screw (6).
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 CN113674963A (en) | 2021-11-19 |
| CN113674963B true CN113674963B (en) | 2023-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3445076A (en) * | 1967-08-02 | 1969-05-20 | Herbert F Dalglish | Core chuck |
| CN101819874B (en) * | 2010-03-31 | 2011-10-05 | 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 |
| CN105161280B (en) * | 2015-09-19 | 2017-08-25 | 齐会南 | A kind of triangle winding iron core automatic moulding machine |
| US10569426B2 (en) * | 2017-08-24 | 2020-02-25 | Seiko Epson Corporation | Robot hand jig and robot |
| CN110068778B (en) * | 2019-03-27 | 2021-02-09 | 东华大学 | Automatic clamping and magnetic property detection device for U-shaped silicon steel sheet iron core |
| 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 |
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2021
- 2021-07-22 CN CN202110829565.0A patent/CN113674963B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Non-Patent Citations (1)
| Title |
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| 夏长富.《数控车船编程与操作》.北京邮电大学出版社,2016,第30-32页. * |
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| CN113674963A (en) | 2021-11-19 |
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