CN212992166U - Tool for assembling magnetic steel in double-V-shaped magnetic steel groove of rotor core section - Google Patents

Tool for assembling magnetic steel in double-V-shaped magnetic steel groove of rotor core section Download PDF

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Publication number
CN212992166U
CN212992166U CN202021936881.5U CN202021936881U CN212992166U CN 212992166 U CN212992166 U CN 212992166U CN 202021936881 U CN202021936881 U CN 202021936881U CN 212992166 U CN212992166 U CN 212992166U
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magnetic steel
small
press
mounting hole
groove
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CN202021936881.5U
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段虎
罗雄
罗佳强
黄军
钟文
卞苗苗
黄林
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Hunan CRRC Shangqu Electric Co Ltd
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CRRC Zhuzhou Electric Co Ltd
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Abstract

The utility model discloses a tool for assembling magnetic steel in a double-V-shaped magnetic steel groove of a rotor iron core section, which comprises a tool body, wherein the tool body is made of non-magnetic conductive material and is provided with a large press mounting hole I, a large press mounting hole II, a small press mounting hole I and a small press mounting hole II which are vertically communicated with each other from top to bottom; the horizontal sections of the first large press-mounting hole and the second large press-mounting hole are arranged in a V shape, when the magnetic iron core is applied, the first large press-mounting hole and the second large press-mounting hole which are arranged in the V shape can be vertically communicated with the outer large magnetic steel V-shaped groove of the double-V-shaped magnetic steel groove of the iron core section, and the large magnetic steel block can be pressed into the outer large magnetic steel V-shaped groove through the first large press-mounting hole and/or the second large press-mounting hole; the horizontal sections of the small press mounting holes I and the small press mounting holes II are arranged in a V shape, when the magnetic iron core is applied, the small press mounting holes I and the small press mounting holes II which are arranged in the V shape can be vertically communicated with the small magnetic steel V-shaped grooves in the double-V-shaped magnetic steel grooves of the iron core section, and the small magnetic steel blocks can be pressed into the small magnetic steel V-shaped grooves through the small press mounting holes I and/or the small press mounting holes II. Its advantages are simple structure, smooth press and high rate of finished products.

Description

Tool for assembling magnetic steel in double-V-shaped magnetic steel groove of rotor core section
Technical Field
The utility model relates to a motor magnet steel assembly fixture, concretely relates to frock that is used for two V type magnet steel inslot magnet steel of rotor core section to assemble belongs to motor manufacturing frock technical field.
Background
A small-sized permanent magnet motor is characterized in that a rotor core section of the small-sized permanent magnet motor is provided with a plurality of axial double-V-shaped magnetic steel grooves which are circumferentially arranged on the periphery of the rotor core section, and each double-V-shaped magnetic steel groove comprises an outer V-shaped magnetic steel groove and an inner V-shaped magnetic steel groove positioned in the outer V-shaped magnetic steel groove. Two large magnetic steel groups in a V shape are arranged in each outer V-shaped magnetic steel groove, and each large magnetic steel group is composed of a plurality of large magnetic steel blocks. Two small magnetic steel groups in a V shape are arranged in each inner V-shaped magnetic steel groove, and each small magnetic steel group consists of a plurality of small magnetic steel blocks.
At present, the assembly of the magnetic steel blocks of the rotor core section of the small permanent magnet motor is manually assembled. Hand frock is time spent because the suction of magnet steel causes the magnet steel piece to adsorb very easily on the iron core for the magnet steel piece is difficult to assemble the inslot that is unshakable in one's determination, causes the magnet steel piece card in the magnet steel inslot that unshakable in one's determination, and simultaneously, the magnet steel piece is easy to collide the damage on unshakable in one's determination when adsorbing on unshakable in one's determination. In addition, the magnetic steel is held by hands in the magnetic steel assembling process, so that the polarity of the magnetic steel is easily reversed. These all affect the performance of the product, cause rework of the product, and reduce the production efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main problem that solves is: the magnetic steel block is easily adsorbed to the iron core by the suction of the iron core during manual assembly, so that the magnetic steel block is clamped in the magnetic steel slot of the iron core and damaged by collision, and then the problem of reverse polarity installation of the magnetic steel block is easily caused.
To the above problem, the utility model provides a technical scheme is:
a tool for assembling magnetic steel in a double-V-shaped magnetic steel groove of a rotor core section comprises a tool body, wherein the tool body is made of a non-magnetic conductive material, and a large press-fitting hole I, a large press-fitting hole II, a small press-fitting hole I and a small press-fitting hole II which are vertically communicated are arranged on the tool body; the horizontal sections of the first large press-mounting hole and the second large press-mounting hole are arranged in a V shape, when the magnetic iron core is applied, the first large press-mounting hole and the second large press-mounting hole which are arranged in the V shape can be vertically communicated with the outer large magnetic steel V-shaped groove of the double-V-shaped magnetic steel groove of the iron core section, and the large magnetic steel block can be pressed into the outer large magnetic steel V-shaped groove through the first large press-mounting hole and/or the second large press-mounting hole; the horizontal sections of the small press mounting holes I and the small press mounting holes II are arranged in a V shape, when the magnetic iron core is applied, the small press mounting holes I and the small press mounting holes II which are arranged in the V shape can be vertically communicated with the small magnetic steel V-shaped grooves in the double-V-shaped magnetic steel grooves of the iron core section, and the small magnetic steel blocks can be pressed into the small magnetic steel V-shaped grooves through the small press mounting holes I and/or the small press mounting holes II.
Further: on the tool body, a small press mounting hole I and a small press mounting hole II which are arranged in a V-shaped horizontal section and a large press mounting hole I and a large press mounting hole II which are arranged in a V-shaped horizontal section form an inner V-shaped structure and an outer V-shaped structure, and the double V-shaped structures correspond to the double V-shaped magnetic steel grooves.
Further: the tool body is provided with a first vertical pole fixing hole and a second vertical pole fixing hole, the horizontal sections of the first pole fixing hole and the second pole fixing hole are arranged in a V shape, the first pole fixing hole and the second pole fixing hole are positioned on the inner side of the V shape formed by the first small press mounting hole and the second small press mounting hole, and the first pole fixing magnetic steel and the second pole fixing magnetic steel are respectively arranged in the first pole fixing hole and the second pole fixing hole.
Further: the upper end face of the tool body is provided with a first large pushing groove and a second large pushing groove, and one end of the first large pushing groove and one end of the second large pushing groove are respectively communicated with the upper ports of the first large pressing hole and the second large pressing hole; and one end of the small pushing groove I and one end of the small pushing groove II are respectively communicated with the upper ports of the small press mounting hole I and the small press mounting hole II.
Further: and a downward positioning pin is arranged on the bottom end surface of the tool body.
The utility model has the advantages that: a double-V-shaped magnetic steel groove of the rotor core section can be quickly and accurately pressed into the double-V-shaped magnetic steel groove by only positioning one assembling die once, the phenomenon of reverse polarity installation of the magnetic steel blocks can not occur, the assembly rework rate is greatly reduced, and the production efficiency is remarkably improved.
Drawings
Fig. 1 is a schematic perspective view of the tool body pressing a large magnetic steel block and a small magnetic steel block to a double V-shaped magnetic steel groove of a rotor core section on the rotor core section;
fig. 2 is a schematic top view of a double V-shaped magnetic steel slot on the rotor core segment, where the outer circle is only a view dividing line;
FIG. 3 is a schematic horizontal cross-sectional view of the tooling body;
fig. 4 is a schematic perspective view of the tool body;
fig. 5 is a schematic perspective view of a plurality of large magnetic steel blocks and a plurality of small magnetic steel blocks placed in a large push-fit groove and a small push-fit groove on a tool body. The figure shows that two adjacent magnetic steels are respectively attracted and attached by one surface with opposite polarity, and the magnetic steels are sequentially attracted into a whole strip, and a certain force is needed for separating one of the magnetic steels.
In the figure: 1. a tool body; 2. double V-shaped magnetic steel grooves; 3. a large magnetic steel block; 4. a small magnetic steel block; 5. positioning holes; 6. positioning pins; 11. a first large press-fitting hole; 12. a large press mounting hole II; 21. a first small press-fitting hole; 22. a second small press-fitting hole; 31. a first pole fixing hole; 32. a second fixed pole hole; 41. a first large pushing groove is formed; 42. a second large pushing groove; 51. a small push-mounting groove I; 52. a small push mounting groove II; 61. a first large magnetic steel hole; 62. a second large magnetic steel hole; 71. a first small magnetic steel hole; 72. a second small magnetic steel hole; 81. a first fixed-pole magnetic steel; 82. and a second fixed-pole magnetic steel.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, 2 and 5, the rotor core section of the permanent magnet motor has a plurality of axial double V-shaped magnetic steel grooves 2 circumferentially arranged on the periphery of the rotor core section, and the double V-shaped magnetic steel grooves 2 include an outer large magnetic steel V-shaped groove and an inner small magnetic steel V-shaped groove located inside the outer large magnetic steel V-shaped groove. The outer large magnetic steel V-shaped groove is formed by arranging the first large magnetic steel hole 61 and the second large magnetic steel hole 62 in a V-shaped angle. The inner small magnetic steel V-shaped groove is also formed by distributing small magnetic steel holes I71 and small magnetic steel holes II 72 in a V-shaped angle.
Two large magnetic steel groups are placed in each outer large magnetic steel V-shaped groove, the two large magnetic steel groups are respectively placed in the first large magnetic steel hole 61 and the second large magnetic steel hole 62, and each large magnetic steel group is composed of a plurality of large magnetic steel blocks 3.
Two small magnetic steel groups are placed in each small magnetic steel V-shaped groove, the two small magnetic steel groups are respectively placed in the first small magnetic steel hole 71 and the second small magnetic steel hole 72, and each small magnetic steel group is composed of a plurality of small magnetic steel blocks 4.
The end surface of the rotor core section, which is filled with the magnetic steel blocks, is provided with a positioning hole 5 for installing a filling tool.
As shown in fig. 1, 2 and 3, the assembly tool for the magnetic steel in the double-V-shaped magnetic steel slot 2 of the rotor core section comprises a positioning hole 5, and the tool body 1 adopts a non-magnetic-conductive material. The tool body 1 is provided with a large press-fitting hole I11, a large press-fitting hole II 12, a small press-fitting hole I21 and a small press-fitting hole II 22 which are vertically communicated up and down; the horizontal sections of the first large press-fitting hole 11 and the second large press-fitting hole 12 are arranged in a V shape, when the tool is applied, the tool body 1 is temporarily fixed on a vertically arranged rotor iron core section, the first large press-fitting hole 11 and the second large press-fitting hole 12 which are arranged in the V shape can be respectively and correspondingly communicated with a first large magnetic steel hole 61 and a second large magnetic steel hole 62 of an outer large magnetic steel V-shaped groove of the double V-shaped magnetic steel groove 2 of the iron core section, and the large magnetic steel block 3 can be respectively pressed downwards into the first large magnetic steel hole 61 and the second large magnetic steel hole 62 of the outer large magnetic steel V-shaped groove through the first large press-fitting hole 11 and the second large press-fitting hole; the horizontal sections of the small press mounting holes I21 and the small press mounting holes II 22 are arranged in a V shape, when the magnetic core is applied, the small press mounting holes I21 and the small press mounting holes II 22 which are arranged in the V shape can be correspondingly communicated with the small magnetic steel holes I71 and the small magnetic steel holes II 72 of the inner small magnetic steel V-shaped groove of the double-V-shaped magnetic steel groove 2 of the iron core section respectively, and the small magnetic steel block 4 can respectively downwards enter the small magnetic steel holes I71 and the small magnetic steel holes II 72 of the inner small magnetic steel V-shaped groove through the small press mounting holes I21 and the small press mounting holes II 22.
In the arrangement, because the tool body 1 adopts a non-magnetic-conductive material, the magnetic large magnetic steel block 3 and the magnetic small magnetic steel block 4 are not interfered by magnetism, and can be smoothly and quickly placed into the large press-fitting hole I11, the large press-fitting hole II 12, the small press-fitting hole I21 and the small press-fitting hole II 22.
The above setting is as long as: the shapes and the sizes of a first large press-fitting hole 11, a second large press-fitting hole 12, a first small press-fitting hole 21 and a second small press-fitting hole 22 which are arranged on the tool body 1 are completely consistent with those of a first large magnetic steel hole 61, a second large magnetic steel hole 62, a first small magnetic steel hole 71 and a second small magnetic steel hole 72 of the double-V-shaped magnetic steel slot 2 of the iron core section respectively; when the two magnetic steel slots are correspondingly communicated, the angles of a first large press-fitting hole 11, a second large press-fitting hole 12, a first small press-fitting hole 21 and a second small press-fitting hole 22 which are arranged on the tool body 1 are completely consistent with the angles of a first large magnetic steel hole 61, a second large magnetic steel hole 62, a first small magnetic steel hole 71 and a second small magnetic steel hole 72 of the double-V-shaped magnetic steel slot 2 of the iron core section respectively, and the angles of the first large press-fitting hole 11, the second large press-fitting hole 12, the first small press-fitting hole 21 and the second small press-fitting hole 22 which are arranged on the tool body 1 are respectively positioned right above the first large magnetic steel hole 61, the second large magnetic steel hole 62, the first small magnetic steel hole 71 and the second small magnetic steel hole 72 of the; then, the large magnetic steel blocks 3 placed in the large press-fitting holes one 11 and the large press-fitting holes two 12 and the small magnetic steel blocks 4 placed in the small press-fitting holes one 21 and the small press-fitting holes two 22 can be accurately and quickly pressed into the large magnetic steel holes one 61 and the large magnetic steel holes two 62, the small magnetic steel holes one 71 and the small magnetic steel holes two 72 of the double-V magnetic steel groove 2. Thereby greatly reducing the rework rate of magnetic steel assembly and obviously improving the production efficiency.
The press fitting mode can be finger press fitting or press fitting by special appliances such as a press pin, a press block and the like.
The following is a further improvement.
As shown in fig. 2, 3 and 4, on the tool body 1, a small press-fitting hole i 21 and a small press-fitting hole ii 22 which are arranged in a V-shape in horizontal section and a large press-fitting hole i 11 and a large press-fitting hole ii 12 which are arranged in a V-shape in horizontal section form an inner and outer double V-shaped structure, and the double V-shaped structure corresponds to the double V-shaped magnetic steel grooves 2. That is, when the first large press-fitting hole 11, the second large press-fitting hole 12, the first small press-fitting hole 21 and the second small press-fitting hole 22 on the tool body 1 can be respectively and correspondingly communicated with the first large magnetic steel hole 61, the second large magnetic steel hole 62, the first small magnetic steel hole 71 and the second small magnetic steel hole 72 of the rotor core section right above the vertically arranged rotor core section.
As shown in fig. 3, 4 and 5, the tool body 1 is provided with a first vertical pole fixing hole 31 and a second vertical pole fixing hole 32, the horizontal cross sections of the first vertical pole fixing hole 31 and the second vertical pole fixing hole 32 are arranged in a V shape, and the first vertical pole fixing hole 31 and the second vertical pole fixing hole 32 are located on the inner side of the V shape formed by the first small press mounting hole 21 and the second small press mounting hole 22 which are arranged in the V shape. And a first fixed-pole magnetic steel 81 and a second fixed-pole magnetic steel 82 are respectively arranged in the first fixed-pole hole 31 and the second fixed-pole hole 32. The principle that like poles of magnets repel and unlike poles repel is utilized, a first fixed pole magnetic steel 81 and a second fixed pole magnetic steel 82 are respectively inserted into a first fixed pole hole 31 and a second fixed pole hole 32, a certain pole of the first fixed pole magnetic steel 81 faces a first large press-fitting hole 11 and a first small press-fitting hole 21 according to needs, and a certain pole of the second fixed pole magnetic steel 82 faces a second large press-fitting hole 12 and a second small press-fitting hole 22; when the large magnetic steel block 3 and the small magnetic steel block 4 are respectively placed in the large press-fitting hole I11 and the small press-fitting hole I21, the large magnetic steel block 3 and the small magnetic steel block 4 are both enabled to face a certain level of the fixed-pole magnetic steel I81 by a pole different from the certain level of the fixed-pole magnetic steel I81. For example, if a certain level of the first fixed-pole magnetic steel 81 is an N pole, the large magnetic steel block 3 and the small magnetic steel block 4 pressed into the large press-fitting hole 11 and the small press-fitting hole 21 both face the N pole of the first fixed-pole magnetic steel 81 with the S pole, so that the magnetic steels are quickly and never reversely pressed. Similarly, the large magnetic steel block 3 and the small magnetic steel block 4 are pressed in the large pressing hole II 12 and the small pressing hole II 22.
The upper end face of the tool body 1 is provided with a first large pushing groove 41 and a second large pushing groove 42, and one end of the first large pushing groove 41 and one end of the second large pushing groove 42 are respectively communicated with the upper end ports of the first large pressing hole 11 and the second large pressing hole 12; the bottoms of the first large pushing groove 41 and the second large pushing groove 42 are respectively provided with a first small pushing groove 51 and a second small pushing groove 52, and one ends of the first small pushing groove 51 and the second small pushing groove 52 are respectively communicated with the upper ports of the first small pressing hole 21 and the second small pressing hole 22. The design is that a plurality of large magnetic steel blocks 3 are pre-pressed in the first large push-mounting groove 41 and the second large push-mounting groove 42 as much as possible, and a plurality of small magnetic steel blocks 4 are pre-pressed in the first small push-mounting groove 51 and the second small push-mounting groove 52, so that continuous and rapid press-mounting can be carried out during press-mounting.
As shown in fig. 2 and 4, a downward positioning pin 6 is provided on the bottom end surface of the tool body 1. The positioning pin 6 is used for temporarily fixing the tool body 1 on the rotor core section, and when the tool body is fixed, the positioning pin 6 is inserted into the positioning hole 5 of the rotor core section.
The above embodiments are only for the purpose of more clearly describing the invention and should not be considered as limiting the scope of protection covered by the invention, any modification of the equivalent should be considered as falling within the scope of protection covered by the invention.

Claims (5)

1. The utility model provides a frock that is used for two V type magnet steel inslot magnet steel of rotor core section to assemble, includes tool body (1), and tool body (1) adopts non-magnetic material, its characterized in that: a large press-fitting hole I (11), a large press-fitting hole II (12), a small press-fitting hole I (21) and a small press-fitting hole II (22) which are vertically communicated are arranged on the tool body (1); the horizontal sections of the first large press-mounting hole (11) and the second large press-mounting hole (12) are arranged in a V shape, when the magnetic core is applied, the first large press-mounting hole (11) and the second large press-mounting hole (12) which are arranged in the V shape can be vertically communicated with an outer large magnetic steel V-shaped groove of the double-V-shaped magnetic steel groove of the iron core section, and the large magnetic steel block (3) can be pressed into the outer large magnetic steel V-shaped groove through the first large press-mounting hole (11) and/or the second large press-mounting hole (12); the horizontal sections of the first small press mounting hole (21) and the second small press mounting hole (22) are arranged in a V shape, when the magnetic iron core is applied, the first small press mounting hole (21) and the second small press mounting hole (22) which are arranged in the V shape can be vertically communicated with the V-shaped groove of the inner small magnetic steel of the double-V-shaped magnetic steel groove of the iron core section, and the small magnetic steel block (4) can be pressed into the V-shaped groove of the inner small magnetic steel through the first small press mounting hole (21) and/or the second small press mounting hole (22).
2. The tool for assembling the magnet steel in the double-V-shaped magnetic steel groove of the rotor core section according to claim 1, wherein the tool comprises: on the tool body (1), a small press mounting hole I (21) and a small press mounting hole II (22) which are arranged in a V-shaped horizontal section and a large press mounting hole I (11) and a large press mounting hole II (12) which are arranged in a V-shaped horizontal section form an inner V-shaped structure and an outer V-shaped structure, and the double V-shaped structures correspond to the double V-shaped magnetic steel grooves (2).
3. The tool for assembling the magnet steel in the double-V-shaped magnetic steel groove of the rotor core section according to claim 1, wherein the tool comprises: the tool body (1) is provided with a first vertical pole fixing hole (31) and a second vertical pole fixing hole (32), the horizontal sections of the first pole fixing hole (31) and the second vertical pole fixing hole (32) are arranged in a V shape, the inner sides of the V shapes formed by a first small press mounting hole (21) and a second small press mounting hole (22) which are arranged in the V shape are located on the horizontal sections, and a first pole fixing magnetic steel (81) and a second pole fixing magnetic steel (82) are respectively arranged in the first pole fixing hole (31) and the second vertical pole fixing hole (32).
4. The tool for assembling the magnetic steel in the double-V-shaped magnetic steel groove of the rotor core section according to claim 3, wherein the tool comprises: a first large push-mounting groove (41) and a second large push-mounting groove (42) are formed in the upper end face of the tool body (1), and one ends of the first large push-mounting groove (41) and the second large push-mounting groove (42) are respectively communicated with upper ports of a first large press-mounting hole (11) and a second large press-mounting hole (12); the bottoms of the first large pushing groove (41) and the second large pushing groove (42) are respectively provided with a first small pushing groove (51) and a second small pushing groove (52), and one ends of the first small pushing groove (51) and the second small pushing groove (52) are respectively communicated with the upper ports of the first small pressing hole (21) and the second small pressing hole (22).
5. The tool for assembling the magnetic steel in the double-V-shaped magnetic steel groove of the rotor core section according to claim 3, wherein the tool comprises: the bottom end face of the tool body (1) is provided with a downward positioning pin.
CN202021936881.5U 2020-09-08 2020-09-08 Tool for assembling magnetic steel in double-V-shaped magnetic steel groove of rotor core section Active CN212992166U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021936881.5U CN212992166U (en) 2020-09-08 2020-09-08 Tool for assembling magnetic steel in double-V-shaped magnetic steel groove of rotor core section

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021936881.5U CN212992166U (en) 2020-09-08 2020-09-08 Tool for assembling magnetic steel in double-V-shaped magnetic steel groove of rotor core section

Publications (1)

Publication Number Publication Date
CN212992166U true CN212992166U (en) 2021-04-16

Family

ID=75417817

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021936881.5U Active CN212992166U (en) 2020-09-08 2020-09-08 Tool for assembling magnetic steel in double-V-shaped magnetic steel groove of rotor core section

Country Status (1)

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CN (1) CN212992166U (en)

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Effective date of registration: 20230518

Address after: Room 1108, 11th Floor, Building 1, Hunan (Zhuzhou) Employment and Entrepreneurship Guidance Center, Yunlong Demonstration Zone, Zhuzhou City, Hunan Province, 412000

Patentee after: Hunan CRRC Shangqu Electric Co.,Ltd.

Address before: 412001 Tianxin high tech Industrial Park, Shifeng District, Zhuzhou City, Hunan Province

Patentee before: CRRC Zhuzhou Electric Co.,Ltd.

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