CN112491219A - Rotor core laminating die and laminating method - Google Patents

Rotor core laminating die and laminating method Download PDF

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Publication number
CN112491219A
CN112491219A CN202011302837.3A CN202011302837A CN112491219A CN 112491219 A CN112491219 A CN 112491219A CN 202011302837 A CN202011302837 A CN 202011302837A CN 112491219 A CN112491219 A CN 112491219A
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CN
China
Prior art keywords
rotor core
triangular
movable
movable inner
mold
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Pending
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CN202011302837.3A
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Chinese (zh)
Inventor
曾龙伟
李进
王明
周鸿波
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Zhenjiang Zhongchuan Xiandai Generating Equipment Co ltd
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Zhenjiang Zhongchuan Xiandai Generating Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Zhenjiang Zhongchuan Xiandai Generating Equipment Co ltd filed Critical Zhenjiang Zhongchuan Xiandai Generating Equipment Co ltd
Priority to CN202011302837.3A priority Critical patent/CN112491219A/en
Publication of CN112491219A publication Critical patent/CN112491219A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K15/00Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/024Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
    • H02K15/026Wound cores

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

The invention discloses a rotor iron core laminating die which comprises a base, a plurality of equal-height blocks, a triangular core column, a fixed inner die, two movable inner dies and two movable inner die transverse moving mechanisms, wherein the fixed inner die and the two movable inner dies are respectively fixed at the longitudinal center of the corresponding side face of the triangular core column through a plurality of fastening screws arranged at intervals; the movable inner die transverse moving mechanism is respectively arranged at the top end of the triangular core column and the top end of the adjacent movable inner die, and between the movable inner die and the side surface of the adjacent triangular core column. When the rotor core is laminated, the inner hole of the rotor core laminated up and down is abutted against the outer edge of the fixed inner die and the outer edges of the two movable inner dies. The laminating method comprises the steps of 1) assembling a rotor core laminating die, 2) laminating the rotor core, and 3) pulling up the movable inner die to complete the demolding of the rotor core. The invention ensures that the demoulding of the rotor core is convenient, and the laminating work efficiency and the laminating quality of the rotor core are obviously improved.

Description

Rotor core laminating die and laminating method
Technical Field
The invention relates to a laminating die of a motor rotor, in particular to a laminating die and a method for positioning by using an inner hole of a rotor core, belonging to the technical field of motor manufacturing.
Background
The positioning mode of the motor iron core (stator iron core and rotor iron core) laminating die can be divided into two modes of inner hole positioning and iron core excircle positioning, the rotor iron core is generally laminated by adopting the inner hole positioning mode, and the mode can ensure the precision requirement of the inner hole after the rotor iron core is laminated. In order to ensure the precision requirement of the inner hole of the rotor core, the fit clearance between the inner core of the laminating die of the fixed structure and the inner hole of the iron core punching sheet is smaller, so that the inner hole of the iron core is difficult to demold after the rotor core is laminated. If an elastic demoulding mechanism is arranged in the laminating mould, the inner hole of the rotor core can be damaged by using the elastic force to force demoulding, and the manufacturing quality of the motor core is seriously influenced.
Disclosure of Invention
The invention aims to provide a rotor core laminating mold and a laminating method, which are used for improving the laminating quality of a rotor core.
The invention is realized by the following technical scheme:
a rotor core laminating die comprises a base, a plurality of equal-height blocks, a triangular core column, a fixed inner die, two movable inner dies and two movable inner die transverse moving mechanisms, wherein the equal-height blocks are arranged along the circumferential direction of the base and are respectively fixed on the outer edge of the upper side surface of the base, and the lower ends of positioning rods are respectively fixed on the equal-height blocks; the triangular core column is vertically fixed in the center of the base, and the fixed internal mold and the two movable internal molds are respectively fixed in the longitudinal centers of the corresponding sides of the triangular core column through a plurality of fastening screws arranged at intervals; the movable internal mold transverse moving mechanisms are respectively arranged at the top end of the triangular core column, the top end of the adjacent movable internal mold and between the movable internal mold and the side surface of the adjacent triangular core column; when the rotor core is laminated, the inner hole of the rotor core laminated up and down is abutted against the outer edge of the fixed inner die and the outer edges of the two movable inner dies.
The object of the invention is further achieved by the following technical measures.
Furthermore, the fixed inner die and the two movable inner dies are combined bodies of a bow-shaped body and a cuboid, and the outer arc surface of the bow-shaped body faces towards the inner hole of the rotor core and is matched with the inner hole of the rotor core.
Furthermore, one ends of a plurality of positioning pins are respectively inserted into the longitudinal two sides of the fixed inner mold or the longitudinal two sides of the movable inner mold fixed on the corresponding side surfaces of the triangular core column at intervals.
Furthermore, the movable inner die transverse moving mechanism comprises a right-angle-shaped support and a coupling structure, the coupling structure is arranged between the movable inner die and the side face of the corresponding triangular core column, the lower end of the vertical part of the right-angle-shaped support is fixed to the top end of the movable inner die respectively, and lifting screws penetrate through the horizontal part of the right-angle-shaped support respectively and are screwed into the top end of the movable inner die.
Further, the coupling structure comprises three steps which are arranged on one side of the movable internal mold, gradually contract inwards and gradually increase in length, namely a movable internal mold upper step, a movable internal mold middle step and a movable internal mold lower step, and three steps which are arranged on the side surface of the triangular core column adjacent to the movable internal mold, gradually protrude outwards and gradually decrease in length, namely a triangular core column upper step, a triangular core column middle step and a triangular core column lower step; two adjacent step surfaces are intersected at an oblique angle alpha; the three-stage steps of the movable inner mold and the three-stage steps of the triangular core column are inverted; in the lamination process of the rotor core punching sheets, the upper steps of the movable inner die and the triangular core column, the lower ends of the steps in the movable inner die and the triangular core column, and the lower ends of the steps in the movable inner die and the triangular core column are respectively abutted against each other; step surface gaps A are respectively arranged between the steps in the movable inner die and the upper steps of the triangular core column and between the lower steps of the movable inner die and the steps in the triangular core column. The step surface gap A = 1.5-2.5 mm.
Further, the top end of the upper step of the triangular core column adjacent to the movable inner die and the bottom end of the lower step of the movable inner die are respectively provided with an end oblique angle alpha 1, and the end oblique angle alpha 1 is matched with the oblique angle alpha between two adjacent step surfaces. The oblique angle alpha or the end oblique angle alpha 1 is 28-32 degrees.
A laminating method of a rotor core laminating die comprises the following steps:
1) fixing a fixed inner mold and two movable inner molds on the longitudinal center of the side surface of the triangular core column through fastening screws respectively, and installing positioning pins at intervals on two sides of the fixed inner mold and two sides of the two movable inner molds respectively to position the fixed inner mold and two transverse sides of the two movable inner molds;
then, a lower spigot at the center of the bottom of the triangular core column is positioned and fixed in a central counter bore of the base, the lower end of the positioning rod is fixed on the equal-height block, and then the assembly parts of the positioning rod and the equal-height block are arranged along the circumferential direction of the base and are respectively fixed on the outer edges of the upper side surfaces of the base;
finally, the lower ends of the vertical parts of the right-angle supports are respectively fixed at the top ends of the movable internal molds, and lifting screws downwards respectively penetrate through the horizontal parts of the right-angle supports and are screwed into the top ends of the corresponding movable internal molds, so that the assembly of the rotor core laminating mold is completed;
2) sleeving the rotor core punching sheets on the outer edges of the fixed inner die and the two movable inner dies one by one, so that the outer edges of the fixed inner die and the two movable inner dies respectively abut against corresponding positions of inner holes of the rotor core punching sheets; in the lamination process of the rotor core punching sheets, the groove shapes of the rotor core are arranged through the positioning rods; in the process of rising the laminating height of the rotor core stamped sheets, when the laminating height of the rotor core stamped sheets reaches the position of a fastening screw for fixedly connecting the movable inner mold and the triangular core column, the fastening screw at the position is removed; when the lamination of the rotor core punching sheets is completed, all fastening screws for fixedly connecting the movable inner mold and the triangular core column are removed;
3) respectively screwing a lifting screw by using a wrench, pulling the corresponding movable internal mold to move upwards by the lifting screw, enabling the upper step of the movable internal mold to move upwards and slide over the end oblique angle alpha 1 of the upper step of the triangular core column and then move transversely towards the triangular core column, eliminating a gap A of the step surface, enabling the step in the movable internal mold to abut against the upper step of the triangular core column, and enabling the lower step of the movable internal mold to abut against the step in the triangular core column; at the moment, the outer arc surface of the movable inner die is separated from the inner hole of the rotor core; the rotor core can be lifted by a crane, so that the demolding of the rotor core is completed.
The laminating die adopts a coupling structure that the three-level steps of the movable inner die and the three-level steps of the triangular core column are mutually inverted, and the lifting screw pulls the movable inner die to move upwards and then can move transversely, so that a step surface gap between the movable inner die and the adjacent steps of the triangular core column is eliminated, the outer arc surface of the movable inner die is separated from the inner hole of the rotor core and generates a gap, the inner hole of the rotor core is not damaged at all, the laminated rotor core can be quickly and smoothly lifted, the demoulding of the rotor core is convenient, and the laminating work efficiency and the laminating quality of the rotor core are obviously improved.
Advantages and features of the present invention will be illustrated and explained by the following non-restrictive description of preferred embodiments thereof, given by way of example only with reference to the accompanying drawings.
Drawings
FIG. 1 is a cross-sectional view of a rotor core lamination die of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is an enlarged view of a portion I of the movable inner mold shown in FIG. 1, wherein a step surface gap A exists between the top of the movable inner mold and the top of the triangular core column;
FIG. 4 is an enlarged view of a second part of the movable inner mold of FIG. 1, wherein a step surface gap A exists between the middle part of the movable inner mold and the middle part of the triangular core column;
FIG. 5 is an enlarged view of a portion III of the movable inner mold shown in FIG. 1, where a stepped surface gap A exists between the lower portion of the movable inner mold and the lower portion of the triangular stem;
fig. 6 is an enlarged view of a part i of a gap a without a step surface between the top of the triangular core column and the top of the movable inner die in fig. 1 after the top of the movable inner die moves upwards and transversely.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1 and 2, the rotor core laminating die of the present embodiment includes a base 1, 7 equal-height blocks 2, a triangular core column 3, a fixed inner die 4, two movable inner dies 5 and two movable inner die traversing mechanisms 6, wherein the 5 equal-height blocks 2 are uniformly distributed along the circumferential direction of the base 1, the other two equal-height blocks are symmetrically arranged on two sides of the center line of the base 1 in fig. 2, and the 7 equal-height blocks 2 are respectively fixed on the outer edge of the upper side surface of the base 1 through fasteners. The lower ends of the positioning rods 7 for calibrating the groove shape of the rotor core 10 are respectively fixed on the equal-height blocks 2. The lower spigot 34 at the bottom center of the triangular stem 3 is fixedly positioned in the central counterbore 11 of the base 1. The fixed inner die 4 and the two movable inner dies 5 are respectively fixed at the longitudinal center of the corresponding side surface of the triangular core column 3 through 5 fastening screws 54 arranged at intervals.
One ends of a plurality of positioning pins 8 are respectively inserted into the longitudinal two sides of the fixed inner die 4 or the longitudinal two sides of the movable inner die 5 fixed on the corresponding side surfaces of the triangular core column 3 at intervals, so as to respectively and accurately position the fixed inner die 4 and the two movable inner dies 5 in the transverse direction.
The shape of fixed centre form 4 and two movable centre forms 5 is the assembly of bow-shaped body and cuboid, the outer arc face 54 of bow-shaped body is towards rotor core towards piece hole 101, and coincide with rotor core towards piece hole 101, has improved rotor core 10 and has folded pressure quality.
The movable inner die transverse moving mechanism 6 is respectively arranged on the top end of the triangular core column 3 and the top end of the adjacent movable inner die 5, and between the movable inner die 5 and the side surface of the adjacent triangular core column 3. The movable inner die transverse moving mechanism 6 comprises a right-angle-shaped support 61 and a coupling structure 62, the coupling structure 62 is arranged between the movable inner die 5 and the corresponding side surface of the triangular core column 3, the lower end of the vertical part 611 of the right-angle-shaped support 61 is fixed on the top end of the movable inner die 5 through screws 34, and the lifting screws 62 penetrate through the horizontal part 612 of the right-angle-shaped support 61 respectively and are screwed into the top end of the movable inner die 5.
The coupling structure 62 includes three steps, namely a movable inner mold upper step 51, a movable inner mold middle step 52 and a movable inner mold lower step 53, which are arranged on one side of the movable inner mold 5 and gradually contract inwards, and three steps, namely a triangular core column upper step 31, a triangular core column middle step 32 and a triangular core column lower step 33, which are arranged on the side surface of the triangular core column 3 adjacent to the movable inner mold 5 and gradually protrude outwards and have gradually decreased length. Two adjacent step surfaces are intersected by an oblique angle alpha, meanwhile, end oblique angles alpha 1 are respectively arranged at the top end of the upper step 31 of the triangular core column adjacent to the movable inner die 5 and the bottom end of the lower step 53 of the movable inner die, and the end oblique angles alpha 1 are matched with the oblique angle alpha between the two adjacent step surfaces. The bevel angle α or the end bevel angle α 1 in this embodiment is 30 °. The 30-degree oblique angle alpha or the end oblique angle alpha 1 can enable the step surface of the movable inner die and the step surface of the triangular core column contacted with the movable inner die to move smoothly relatively in the sliding process of lifting and transverse moving, collision impact cannot occur between the step surface of the movable inner die and the step surface of the triangular core column, and the using stability and reliability of the rotor iron core laminating die are improved.
As shown in fig. 3 to 5, the three-stage steps of the movable inner mold 5 and the three-stage steps of the triangular core column 3 are inverted, and in the lamination process of the rotor core laminations, the upper ends of the upper steps 51 and 31 of the triangular core column, the lower ends of the middle steps 52 and 32 of the triangular core column, the lower ends of the lower steps 53 and 33 of the movable inner mold are respectively abutted against each other. Step 52 and triangular stem between the step 31 in the activity centre form, there is step face space A between step 32 in activity centre form lower step 53 and the triangular stem respectively, step face space A =2mm of this embodiment, step face space A can make fixed centre form 4 and two activity centre forms 5 can be when folding the rotor core, rotor core hole 101 supports each other with fixed centre form 4 outer fringe and two activity centre forms 5 outer fringe, can slide on activity centre form 5 again and sideslip eliminates step face space A after, produce the space between outer arc face 54 of activity centre form 5 and the rotor core hole 101, thereby can fold smoothly and lift rotor core 10, rotor core folds and presses the quality and presses the work efficiency, the difficult problem that the demolding is difficult after rotor core folds has been solved.
A laminating method of a rotor core laminating die comprises the following steps:
1) firstly, the fixed inner die 4 and the two movable inner dies 5 are respectively fixed on the longitudinal center of the side surface of the triangular core column 3 through the fastening screws 54, and then the positioning pins 8 are respectively arranged on two sides of the fixed inner die 4 and two sides of the two movable inner dies 5 at intervals to position the fixed inner die 4 and two transverse sides of the two movable inner dies 5.
And then, a lower spigot 34 at the center of the bottom of the triangular stem 3 is positioned and fixed in a central counterbore 11 of the base 1 through a screw 36, the lower end of the positioning rod 7 is fixed on the equal-height block 2, and then the assembly of the positioning rod 7 and the equal-height block 2 is arranged along the circumferential direction of the base 1 and is respectively fixed on the outer edge of the upper side surface of the base 1 through a compression screw 37.
And finally, fixing the lower ends of the vertical parts 611 of the right-angle support seats 61 at the top ends of the movable inner molds 5 through upper screws 35, and screwing the lifting screws 62 downwards into the top ends of the corresponding movable inner molds 5 through the horizontal parts 612 of the right-angle support seats 61, so as to complete the assembly of the rotor core laminating mold.
2) And the rotor core punching sheets are sleeved on the outer edges of the fixed inner molds 4 and the outer edges of the two movable inner molds 5 piece by piece, so that the outer edges of the fixed inner molds 4 and the outer edges of the two movable inner molds 5 are respectively abutted against the corresponding positions of the inner holes of the rotor core punching sheets. In the lamination process of the rotor core stamped steel, the groove shape of the rotor core is arranged through the positioning rod 7, and in the lamination height rising process of the rotor core stamped steel, when the lamination height of the rotor core stamped steel reaches the position of the fastening screw 54 for fixedly connecting the movable inner die 5 and the triangular core column 3, the fastening screw 54 at the position is removed. When the lamination of the rotor core punching sheets is completed, all the fastening screws 54 for fixedly connecting the movable inner mold 5 and the triangular core column 3 are removed.
3) And respectively screwing a lifting screw 62 by using a wrench, pulling the corresponding movable inner die 5 to move upwards by the lifting screw 62, moving the upper step 51 of the movable inner die to slide over the end oblique angle alpha 1 of the upper step 31 of the triangular core column and then move transversely towards the triangular core column 3, eliminating a step surface gap A, abutting the step 52 in the movable inner die against the upper step 31 of the triangular core column, and abutting the lower step 53 of the movable inner die against the step 32 in the triangular core column. At this time, the outer arc surface 54 of the movable inner die 5 is out of contact with the rotor core inner hole 101. The rotor core 10 can be lifted by a crane, so that the demolding of the rotor core 10 is completed.
In addition to the above embodiments, the present invention may have other embodiments, and any technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the claims of the present invention.

Claims (9)

1. A rotor core laminating die comprises a base and a plurality of equal-height blocks, wherein the equal-height blocks are arranged along the circumferential direction of the base and are respectively fixed on the outer edges of the upper side surfaces of the base; the device is characterized by further comprising a triangular core column, a fixed internal mold, two movable internal molds and two movable internal mold transverse moving mechanisms, wherein the triangular core column is vertically fixed in the center of the base, and the fixed internal mold and the two movable internal molds are respectively fixed in the longitudinal centers of the corresponding side surfaces of the triangular core column through a plurality of fastening screws arranged at intervals; the movable internal mold transverse moving mechanisms are respectively arranged at the top end of the triangular core column, the top end of the adjacent movable internal mold and between the movable internal mold and the side surface of the adjacent triangular core column; when the rotor core is laminated, the inner hole of the rotor core laminated up and down is abutted against the outer edge of the fixed inner die and the outer edges of the two movable inner dies.
2. A rotor core laminating mold according to claim 1, wherein the fixed inner mold and the two movable inner molds are each in the shape of a combination of a segment and a rectangular parallelepiped, and the outer arc surface of the segment faces the inner hole of the rotor core and is fitted with the inner hole of the rotor core.
3. A rotor core laminating mold according to claim 1, wherein one end of a plurality of positioning pins are inserted into both longitudinal sides of the fixed inner mold or both longitudinal sides of the movable inner mold fixed to the corresponding side surfaces of the triangular stem at intervals, respectively.
4. A rotor core laminating die according to claim 1, wherein the movable inner die traversing mechanism comprises a right-angle-shaped support and a coupling structure, the coupling structure is arranged between the movable inner die and the corresponding side surface of the triangular core column, the lower ends of the vertical parts of the right-angle-shaped support are respectively fixed on the top ends of the movable inner die, and the lifting screws respectively penetrate through the horizontal parts of the right-angle-shaped support and are screwed into the top ends of the movable inner die.
5. The rotor core laminating mold according to claim 4, wherein the coupling structure includes three steps of gradually shrinking inward and gradually increasing in length, which are respectively an upper step of the movable inner mold, a middle step of the movable inner mold and a lower step of the movable inner mold, and three steps of gradually protruding outward and gradually decreasing in length, which are respectively an upper step of the triangular stem column, a middle step of the triangular stem column and a lower step of the triangular stem column, which are respectively arranged on a side surface of the triangular stem column adjacent to the movable inner mold; two adjacent step surfaces are intersected at an oblique angle alpha; the three-stage steps of the movable inner mold and the three-stage steps of the triangular core column are inverted; in the lamination process of the rotor core punching sheets, the upper steps of the movable inner die and the triangular core column, the lower ends of the steps in the movable inner die and the triangular core column, and the lower ends of the steps in the movable inner die and the triangular core column are respectively abutted against each other; step surface gaps A are respectively arranged between the steps in the movable inner die and the upper steps of the triangular core column and between the lower steps of the movable inner die and the steps in the triangular core column.
6. The rotor core lamination die of claim 5, wherein the step face gap A = 1.5-2.5 mm.
7. The rotor core laminating mold according to claim 5, wherein the top end of the upper step of the triangular stem adjacent to the movable inner mold and the bottom end of the lower step of the movable inner mold are respectively provided with an end oblique angle α 1, and the α 1 oblique angle α 1 is matched with the oblique angle α between two adjacent step surfaces.
8. A rotor core lamination mold according to claim 7, wherein the oblique angle α or the end oblique angle α 1 is 28 ° to 32 °.
9. A laminating method of a rotor core laminating die according to claims 1-8, characterized by comprising the steps of:
1) fixing a fixed inner mold and two movable inner molds on the longitudinal center of the side surface of the triangular core column through fastening screws respectively, and installing positioning pins at intervals on two sides of the fixed inner mold and two sides of the two movable inner molds respectively to position the fixed inner mold and two transverse sides of the two movable inner molds;
then, positioning and fixing a lower spigot at the center of the bottom of the triangular core column in a central counter bore of the base, and then arranging the equal-height blocks along the circumferential direction of the base and respectively fixing the equal-height blocks on the outer edge of the upper side surface of the base;
finally, the lower ends of the vertical parts of the right-angle supports are respectively fixed at the top ends of the movable internal molds, and lifting screws downwards respectively penetrate through the horizontal parts of the right-angle supports and are screwed into the top ends of the corresponding movable internal molds, so that the assembly of the rotor core laminating mold is completed;
2) sleeving the rotor core punching sheets on the outer edges of the fixed inner die and the two movable inner dies one by one, so that the outer edges of the fixed inner die and the two movable inner dies respectively abut against corresponding positions of inner holes of the rotor core punching sheets; in the process of rising the laminating height of the rotor core stamped sheets, when the laminating height of the rotor core stamped sheets reaches the position of a fastening screw for fixedly connecting the movable inner mold and the triangular core column, the fastening screw at the position is removed; when the lamination of the rotor core punching sheets is completed, all fastening screws for fixedly connecting the movable inner mold and the triangular core column are removed;
3) respectively screwing a lifting screw by using a wrench, pulling the corresponding movable internal mold to move upwards by the lifting screw, enabling the upper step of the movable internal mold to move upwards and slide over the end oblique angle alpha 1 of the upper step of the triangular core column and then move transversely towards the triangular core column, eliminating a gap A of the step surface, enabling the step in the movable internal mold to abut against the upper step of the triangular core column, and enabling the lower step of the movable internal mold to abut against the step in the triangular core column; at the moment, the outer arc surface of the movable inner die is separated from the inner hole of the rotor core; the rotor core can be lifted by a crane, so that the demolding of the rotor core is completed.
CN202011302837.3A 2020-11-19 2020-11-19 Rotor core laminating die and laminating method Pending CN112491219A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011302837.3A CN112491219A (en) 2020-11-19 2020-11-19 Rotor core laminating die and laminating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011302837.3A CN112491219A (en) 2020-11-19 2020-11-19 Rotor core laminating die and laminating method

Publications (1)

Publication Number Publication Date
CN112491219A true CN112491219A (en) 2021-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011302837.3A Pending CN112491219A (en) 2020-11-19 2020-11-19 Rotor core laminating die and laminating method

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0690549A (en) * 1991-12-02 1994-03-29 Mitsui High Tec Inc Laminated core of rotor and manufacture thereof
JPH1066315A (en) * 1996-08-20 1998-03-06 Fujitsu General Ltd Molding die for insulation of stator
CN203014613U (en) * 2012-12-11 2013-06-19 中国船舶重工集团公司第七0七研究所 Non-salient pole type skewed slot rotor core stacking die
CN103746521A (en) * 2013-12-24 2014-04-23 上海电科电机科技有限公司 Round iron core punching lamination adjusting expander and lamination method
CN204771707U (en) * 2015-07-06 2015-11-18 镇江中船现代发电设备有限公司 Pole core drilling and tapping anchor clamps
CN109088521A (en) * 2018-09-17 2018-12-25 上海马拉松·革新电气有限公司 A kind of manufacture craft of exciter stator iron core
CN111682717A (en) * 2020-07-14 2020-09-18 镇江中船现代发电设备有限公司 Positioning and laminating tool and method for stator core
JP2020162285A (en) * 2019-03-26 2020-10-01 アイシン・エィ・ダブリュ株式会社 Method of manufacturing rotor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0690549A (en) * 1991-12-02 1994-03-29 Mitsui High Tec Inc Laminated core of rotor and manufacture thereof
JPH1066315A (en) * 1996-08-20 1998-03-06 Fujitsu General Ltd Molding die for insulation of stator
CN203014613U (en) * 2012-12-11 2013-06-19 中国船舶重工集团公司第七0七研究所 Non-salient pole type skewed slot rotor core stacking die
CN103746521A (en) * 2013-12-24 2014-04-23 上海电科电机科技有限公司 Round iron core punching lamination adjusting expander and lamination method
CN204771707U (en) * 2015-07-06 2015-11-18 镇江中船现代发电设备有限公司 Pole core drilling and tapping anchor clamps
CN109088521A (en) * 2018-09-17 2018-12-25 上海马拉松·革新电气有限公司 A kind of manufacture craft of exciter stator iron core
JP2020162285A (en) * 2019-03-26 2020-10-01 アイシン・エィ・ダブリュ株式会社 Method of manufacturing rotor
CN111682717A (en) * 2020-07-14 2020-09-18 镇江中船现代发电设备有限公司 Positioning and laminating tool and method for stator core

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