WO2022052158A1 - 一种铁芯片的折弯工装 - Google Patents

一种铁芯片的折弯工装 Download PDF

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Publication number
WO2022052158A1
WO2022052158A1 PCT/CN2020/116791 CN2020116791W WO2022052158A1 WO 2022052158 A1 WO2022052158 A1 WO 2022052158A1 CN 2020116791 W CN2020116791 W CN 2020116791W WO 2022052158 A1 WO2022052158 A1 WO 2022052158A1
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WIPO (PCT)
Prior art keywords
bending
spring
pressing
plate
fixedly connected
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Application number
PCT/CN2020/116791
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English (en)
French (fr)
Inventor
朱维新
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苏州元联科技创业园管理有限公司
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Publication of WO2022052158A1 publication Critical patent/WO2022052158A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

Definitions

  • the utility model relates to a bending tool for iron core pieces.
  • the iron core of the motor is formed by stacking several iron cores, among which the winding card plates 400 in the four winding slots on the topmost iron core are bent to fix the leads of the coils. Since the iron cores in the motor iron core have the same structure, they are stamped and formed by a stamping die. Only the top iron core is bent by the winding card board 400. If a single winding card is added to the stamping die The bending step of the plate 400 will increase the cost, because in a continuous stamping process, only a small amount of iron cores will enter the bending step, and the utilization rate of the mold for bending the winding card plate 400 alone will not be increased. high, which will increase the cost of mold manufacturing.
  • the utility model provides a bending tool for iron core pieces in order to solve the problems existing in the above-mentioned prior art.
  • a bending tool for an iron core including a pressure seat, a pressure block, an upper guide post, an upper spring, an upper pressure plate, a limit post, a forming column, a top plate, a lower spring and a base
  • the four pressing blocks are vertically and fixedly connected to the lower end surface of the pressing seat, the upper guide post is vertically inserted at the axial position of the pressing seat, the upper pressing plate is fixedly connected to the bottom end of the upper guide post, and the upper spring is sleeved on the upper on the guide post, the top end of the upper spring is in contact with the pressing seat, and the bottom end is in contact with the upper pressing plate; It is directly and fixedly connected at the axial center of the base, the top plate and the lower spring are both sleeved on the limiting column, and the bottom end of the lower spring is in contact with the limiting column, and the top plate is supported on the top of the lower spring; on the lower end surface of the pressing block An
  • a limit plate is provided on the rear side of the lower bending inclined surface in the forming column, and the upper end surface of the limit plate is higher than the upper end surface of the forming column.
  • the upper guide post is a T-shaped structure.
  • a boss is provided on the limiting column, and the bottom end of the lower spring is in contact with the boss.
  • the iron core piece When in use, according to the needs of use, the iron core piece can be placed on the tooling of the utility model to realize the bending of the winding card board.
  • the utility model has simple structure, convenient use, good positioning effect, convenient unloading and good use effect. .
  • Figure 1 is a plan structure diagram of the utility model.
  • Figure 2 is a three-dimensional structural diagram of the utility model.
  • Figure 3 is a partial enlarged view of the utility model.
  • Fig. 4 is the application structure diagram of the utility model.
  • FIG. 5 is a structural diagram of the iron core in the utility model.
  • a bending tool for an iron core sheet of the present invention includes a pressing seat 11, a pressing block 12, an upper guide post 13, an upper spring 14, an upper pressing plate 15, a limit post 21, a forming post 22,
  • the top plate 23, the lower spring 24 and the base 25, the four pressing blocks 12 are vertically and fixedly connected to the lower end surface of the pressing seat 11, the upper guide post 13 is vertically inserted at the axial position of the pressing seat 11, and the upper pressing plate 15 is horizontal It is fixedly connected to the bottom end of the upper guide post 13 , the upper spring 14 is sleeved on the upper guide post 13 , the top end of the upper spring 14 abuts on the pressing seat 11 , and the bottom end touches the upper pressing plate 15 .
  • the pressing seat 11 is fixedly connected with the cylinder shaft of the cylinder.
  • the base 25 is arranged at the lower end of the pressing base 11 , the four forming columns 22 are vertically and fixedly connected to the upper end surface of the base 25 , the limiting column 21 is vertically fixedly connected at the axial position of the base 25 , the top plate 23 and the lower spring 24 Both are sleeved on the limiting column 21 , and the bottom end of the lower spring 24 is in contact with the limiting column 21 , and the top plate 23 is supported on the top of the lower spring 24 .
  • An upper bending slope is provided on the lower end surface of the pressing block 12 , and a lower bending slope matching the upper bending slope is arranged on the upper end surface of the forming column 22 .
  • a limiting plate 221 is provided on the rear side of the lower bending slope in each forming column 22 .
  • the upper guide post 13 in the present invention is a T-shaped structure.
  • the upper guide post 13 is axially positioned on the pressing seat 11 by its own stage.
  • a boss 213 is provided on the limiting column 21 , and the bottom end of the lower spring 24 abuts on the boss 213 .
  • the winding clip 400 in the iron core is bent from shape A to shape B, the winding clip 400 is placed on the top of the forming column 22, and the limit plate 221 in the forming column 22 extends from the winding clip.
  • the limiting plate 221 can quickly position the iron core on the four forming columns 22 .
  • the pressing base 11 When bending the winding board 400 , the pressing base 11 is pressed down, and the upper bending inclined surface of the pressing block 12 and the lower bending inclined surface of the forming column 22 cooperate and squeeze each other to realize the bending of the winding board 400 .
  • the upper pressing plate 15 is pressed against the core piece to pre-position the core piece, so as to prevent the core piece from deviating before and during the bending process.
  • the winding card 400 is bent and pressed against the top plate 23, and the top plate is pressed down so that the lower spring 24 is pressed.
  • the lower spring 24 resets and pushes up the iron core, so as to facilitate the removal of the iron core.

Abstract

一种铁芯片的折弯工装，四根压块（12）竖直固定连接在压座（11）的下端面上，上导柱（13）竖直插接在压座（11）的轴心位置处，上压板（15）固定连接在上导柱（13）的底端，上弹簧（14）套设在上导柱（13）上，且上弹簧（14）的顶端抵触在压座（11）上，底端抵触在上压板（15）上；底座（25）设置在压座（11）的下端，四根成形柱（22）竖直固定连接在底座（25）的上端面上，限位柱（21）竖直固定连接在底座（25）的轴心位置处，顶板（23）和下弹簧（24）均套设在限位柱（21）上，且下弹簧（24）的底端抵触在限位柱（21）上，顶板（23）支撑在下弹簧（24）的顶端；在压块（12）的下端面上设有上折弯斜面，在成形柱（22）的上端面设有与所述上折弯斜面相适配的下折弯斜面。该折弯工装结构简单，使用方便，定位效果好，卸料方便，使用效果好。

Description

一种铁芯片的折弯工装
技术领域：
本实用新型涉及一种铁芯片的折弯工装。
背景技术：
电机的铁芯是由若干个铁芯片相互叠加而成，其中最顶端铁芯片上的四个绕线槽内的绕线卡板400折弯，用以固定线圈的引线。由于电机铁芯中的铁芯片的结构相同，是通过一幅冲压模具冲压成型，只有最顶端的铁芯片是将绕线卡板400折弯，若在冲压成型的模具上单独增加一个绕线卡板400折弯的工步，则会增加成本，因为一个连续的冲压工序中，只要少量的铁芯会进入折弯的工步，单独增加用于折弯绕线卡板400的模具利用率不高，会增加模具制造成本。
发明内容：
本实用新型是为了解决上述现有技术存在的问题而提供一种铁芯片的折弯工装。
本实用新型所采用的技术方案有：一种铁芯片的折弯工装，包括压座、压块、上导柱、上弹簧、上压板、限位柱、成形柱、顶板、下弹簧和底座，四根压块竖直固定连接在压座的下端面上，上导柱竖直插接在压座的轴心位置处，上压板固定连接在上导柱的底端，上弹簧套设在上导柱上，且上弹簧的顶端抵触在压座上，底端抵触在上压板上；底座设置在压座的下端，四根成形柱竖直固定连接在底座的上端面上，限位柱竖直固定连接在底座的轴心位置处，顶板和下弹簧均套设在限位柱上，且下弹簧的底端抵触在限位柱上，顶板支撑在下弹簧的顶端；在压块的下端面上设有上折弯斜面，在成形柱的上端面设有与所述上折弯斜面相适配的下折弯斜面。
进一步地，所述成形柱中下折弯斜面的后侧设有限位板，限位板的上端面高于成形柱的上端面。
进一步地，所述上导柱为T形状结构。
进一步地，所述限位柱上设有凸台，下弹簧的底端抵触在凸台上。
本实用新型具有如下有益效果：
在使用时，根据使用需求，将铁芯片放置在本实用新型工装上，即可实现绕线卡板的折弯，本实用新型结构简单，使用方便，定位效果好，卸料方便，使用效果好。
附图说明：
图 1 为本实用新型平面结构图。
图 2 为本实用新型三维结构图。
图 3 为本实用新型的局部放大图。
图 4 为本实用新型的应用结构图。
图 5 为本实用新型中的铁芯片结构图。
具体实施方式：
下面结合附图对本实用新型作进一步的说明。
如图1至图5，本实用新型一种铁芯片的折弯工装，包括压座11、压块12、上导柱13、上弹簧14、上压板15、限位柱21、成形柱22、顶板23、下弹簧24和底座25，四根压块12竖直固定连接在压座11的下端面上，上导柱13竖直插接在压座11的轴心位置处，上压板15水平固定连接在上导柱13的底端，上弹簧14套设在上导柱13上，且上弹簧14的顶端抵触在压座11上，底端抵触在上压板15上。使用时，压座11与气缸的气缸轴固定连接。
底座25设置在压座11的下端，四根成形柱22竖直固定连接在底座25的上端面上，限位柱21竖直固定连接在底座25的轴心位置处，顶板23和下弹簧24均套设在限位柱21上，且下弹簧24的底端抵触在限位柱21上，顶板23支撑在下弹簧24的顶端。在压块12的下端面上设有上折弯斜面，在成形柱22的上端面设有与所述上折弯斜面相适配的下折弯斜面。
为便于将铁芯片快速定位在成形柱22上，在每根成形柱22中下折弯斜面的后侧设有限位板221，限位板221的上端面高于成形柱22的上端面。
本实用新型中的上导柱13为T形状结构。上导柱13通过自身的T台轴向定位在压座11上。
在限位柱21上设有凸台213，下弹簧24的底端抵触在凸台213上。
再将铁芯片中的绕线卡板400由形状A折弯成形状B时，将绕线卡板400置于成形柱22的顶端，成形柱22中的限位板221伸于绕线卡板400中的间隙500内，限位板221可以快速的将铁芯片定位在四个成形柱22上。
在折弯绕线卡板400时，下压压座11，通过压块12的上折弯斜面以及成形柱22的下折弯斜面相互配合挤压，实现绕线卡板400的折弯。
在铁芯片被折弯前，上压板15先压触在铁芯片上，对铁芯片进行预定位，避免铁芯片在折弯前以及折弯过程中出现跑偏现象。在铁芯片折弯过程中，绕线卡板400折弯后并压触在顶板23上，下压顶板使得下弹簧24被压触。在压座11脱离后，下弹簧24复位将铁芯片推起，方便取下铁芯片。
以上所述仅是本实用新型的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本实用新型原理的前提下还可以作出若干改进，这些改进也应视为本实用新型的保护范围。

Claims (4)

  1. 一种铁芯片的折弯工装，其特征在于：包括压座（11）、压块（12）、上导柱（13）、上弹簧（14）、上压板（15）、限位柱（21）、成形柱（22）、顶板（23）、下弹簧（24）和底座（25），四根压块（12）竖直固定连接在压座（11）的下端面上，上导柱（13）竖直插接在压座（11）的轴心位置处，上压板（15）固定连接在上导柱（13）的底端，上弹簧（14）套设在上导柱（13）上，且上弹簧（14）的顶端抵触在压座（11）上，底端抵触在上压板（15）上；底座（25）设置在压座（11）的下端，四根成形柱（22）竖直固定连接在底座（25）的上端面上，限位柱（21）竖直固定连接在底座（25）的轴心位置处，顶板（23）和下弹簧（24）均套设在限位柱（21）上，且下弹簧（24）的底端抵触在限位柱（21）上，顶板（23）支撑在下弹簧（24）的顶端；在压块（12）的下端面上设有上折弯斜面，在成形柱（22）的上端面设有与所述上折弯斜面相适配的下折弯斜面。
  2. 如权利要求1所述的铁芯片的折弯工装，其特征在于：所述成形柱（22）中下折弯斜面的后侧设有限位板（221），限位板（221）的上端面高于成形柱（22）的上端面。
  3. 如权利要求1所述的铁芯片的折弯工装，其特征在于：所述上导柱（13）为T形状结构。
  4. 如权利要求1所述的铁芯片的折弯工装，其特征在于：所述限位柱（21）上设有凸台（213），下弹簧（24）的底端抵触在凸台（213）上。
PCT/CN2020/116791 2020-09-08 2020-09-22 一种铁芯片的折弯工装 WO2022052158A1 (zh)

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CN110266156A (zh) * 2019-07-01 2019-09-20 东风博泽汽车系统有限公司 一种电机转子铁芯自动预折弯装置及折弯方法
CN210246563U (zh) * 2019-10-15 2020-04-03 常州宝捷冲片有限公司 一种定子铁芯生产用的叠压工装

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2293022A1 (en) * 2008-06-24 2011-03-09 Tamagawa Seiki Co., Ltd. Angle detection apparatus and manufacturing method thereof
CN103475169A (zh) * 2013-07-22 2013-12-25 杭州富生电器股份有限公司 一种电机定子嵌线工艺及电机定子冲片结构
CN204304730U (zh) * 2014-12-31 2015-04-29 浙江千里马电机有限公司 一种扣片机的扣压头
CN205847004U (zh) * 2016-05-19 2016-12-28 江门市维凯智能装备有限公司 一种电机主副定子压入工装
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