CN106041418A - Production technique of ten-tooth riveting iron core - Google Patents
Production technique of ten-tooth riveting iron core Download PDFInfo
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- CN106041418A CN106041418A CN201610422010.3A CN201610422010A CN106041418A CN 106041418 A CN106041418 A CN 106041418A CN 201610422010 A CN201610422010 A CN 201610422010A CN 106041418 A CN106041418 A CN 106041418A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 306
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title description 4
- 238000004080 punching Methods 0.000 claims abstract description 52
- 238000005520 cutting process Methods 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 238000007493 shaping process Methods 0.000 claims abstract description 14
- 238000005452 bending Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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Abstract
本发明的一种十齿铆接铁芯的生产工艺，包括冲引孔、第一次切外形、形成左铁芯板材、形成右铁芯板材、向上或向下拉包一次、向上或向下拉包二次、向上或向下拉包三次、向上或向下拉包四次、冲中孔、向上或向下折弯内齿、整形内铁芯齿、冲铆合凸点、冲铆合冲孔、第二次切外形、预切外形、左右铁芯齿铆合、上下产品铆合、整形和冲压铁芯脱离金属料带。本发明使铆合凸点与铆合冲孔能铆合连接来达到上铁芯和下铁芯定位精准，其成型稳定，产品良品率高，解决了步进马达采用注塑的方式安装时铁芯变形，两个半铁芯容易分离，使用寿命短等问题，其十个铁芯齿的设计，铁芯强度高，产品扭力增强30‑40%，产品性能好，十分适用于步进马达，结构简单，生产成本低。
The production process of a ten-tooth riveted iron core of the present invention includes punching and drawing holes, cutting the shape for the first time, forming the left iron core plate, forming the right iron core plate, pulling up or down for one time, and pulling up or down for two times times, pull the bag up or down three times, pull the bag up or down four times, punch the hole, bend the inner tooth up or down, shape the inner iron core tooth, punch the riveting bump, punch the riveting punch, the second Sub-cut shape, pre-cut shape, riveting of left and right core teeth, riveting of upper and lower products, shaping and punching core from metal strip. The invention makes the riveted bumps and the riveted punching holes riveted to achieve accurate positioning of the upper iron core and the lower iron core. Deformation, easy separation of two and a half iron cores, short service life and other problems, the design of ten iron core teeth, high iron core strength, product torque increased by 30-40%, good product performance, very suitable for stepping motors, structure Simple and low production cost.
Description
技术领域technical field
本发明涉及一种十齿铆接铁芯的生产工艺。The invention relates to a production process of a ten-tooth riveted iron core.
背景技术Background technique
步进马达一般由两个半铁芯组成的，工业上通常采用注塑的方式将两个半铁芯固定在一起，铁芯容易发生变形，并且塑胶在高温的情况下容易会发生融化，使两个半铁芯容易出现分离的现象，造成步进马达的使用寿命短，步进马达需要频繁更换铁芯，生产成本高，不利于工业的长远发展。因此，针对步进马达存在上述技术问题的不足，本申请人研发一种依次对左铁芯进行冲引孔、第一次切外形、形成左铁芯板材、向上拉包一次、向上拉包二次、向上拉包三次、向上拉包四次、冲中孔、向上折弯内齿、整形内铁芯齿、冲铆合凸点、第二次切外形、左右铁芯齿铆合、整形和冲压铁芯脱离金属料带，及依次对右铁芯进行冲引孔、第一次切外形、形成右铁芯板材、第二次切外形、向下拉包一次、向下拉包二次、向下拉包三次、向下拉包四次、冲中孔、向下折弯内齿、整形内铁芯齿、冲铆合冲孔、预切外形和上下产品铆合，使铆合凸点与铆合冲孔能铆合连接来达到上铁芯和下铁芯定位精准，其连接固定，成型稳定，产品良品率大大提高，解决了步进马达采用注塑的方式安装时铁芯变形，塑胶在高温的情况下容易会发生融化，造成两个半铁芯容易分离，使用寿命短等问题，其十个铁芯齿的设计，铁芯强度高，产品扭力增强30-40%，产品性能大幅提升，稳定性更加好，十分适用于步进马达，结构简单，生产成本低的十齿铆接铁芯的生产工艺确属必要。Stepper motors are generally composed of two half-iron cores. In the industry, the two half-iron cores are usually fixed together by injection molding. The iron cores are prone to deformation, and the plastic is prone to melting at high temperatures, making the two halves The two and a half iron cores are prone to separation, resulting in a short service life of the stepping motor. The stepping motor needs to replace the iron core frequently, and the production cost is high, which is not conducive to the long-term development of the industry. Therefore, in view of the shortcomings of the above-mentioned technical problems in the stepping motor, the applicant has developed a method for punching holes in the left iron core, cutting the shape for the first time, forming the left iron core plate, pulling up the package once, and pulling up the package twice. Three times, pull up the bag three times, pull up the bag four times, punch the center hole, bend the inner teeth upward, shape the inner iron core teeth, punch the riveting bumps, cut the shape for the second time, rive the left and right iron core teeth, shape and The stamped iron core is separated from the metal strip, and the right iron core is punched and drawn in sequence, the shape is cut for the first time, the right iron core plate is formed, the shape is cut for the second time, the bag is pulled down once, the bag is pulled down twice, and the shape is pulled down Packing three times, pulling down the bag four times, punching the center hole, bending the inner teeth downward, shaping the inner iron core teeth, punching riveting punching, pre-cutting the shape and riveting the upper and lower products, so that the riveting bumps and riveting punches The holes can be connected by riveting to achieve precise positioning of the upper iron core and the lower iron core. The connection is fixed, the molding is stable, and the yield rate of the product is greatly improved. It is easy to melt down, causing the two and a half iron cores to be easily separated, and the service life is short. The design of its ten iron core teeth has high iron core strength, and the product torque is increased by 30-40%. The product performance is greatly improved and the stability is stable. Even better, it is very suitable for stepping motors, simple in structure, and the production process of the ten-tooth riveted iron core with low production cost is really necessary.
发明内容Contents of the invention
本发明要解决的技术问题是提供一种依次对左铁芯进行冲引孔、第一次切外形、形成左铁芯板材、向上拉包一次、向上拉包二次、向上拉包三次、向上拉包四次、冲中孔、向上折弯内齿、整形内铁芯齿、冲铆合凸点、第二次切外形、左右铁芯齿铆合、整形和冲压铁芯脱离金属料带，及依次对右铁芯进行冲引孔、第一次切外形、形成右铁芯板材、第二次切外形、向下拉包一次、向下拉包二次、向下拉包三次、向下拉包四次、冲中孔、向下折弯内齿、整形内铁芯齿、冲铆合冲孔、预切外形和上下产品铆合，使铆合凸点与铆合冲孔能铆合连接来达到上铁芯和下铁芯定位精准，其连接固定，成型稳定，产品良品率大大提高，解决了步进马达采用注塑的方式安装时铁芯变形，塑胶在高温的情况下容易会发生融化，造成两个半铁芯容易分离，使用寿命短等问题，其十个铁芯齿的设计，铁芯强度高，产品扭力增强30-40%，产品性能大幅提升，稳定性更加好，十分适用于步进马达，结构简单，生产成本低的十齿铆接铁芯的生产工艺。本发明是通过以下技术方案来实现的：The technical problem to be solved by the present invention is to provide a method for punching holes in the left iron core, cutting the shape for the first time, forming the left iron core plate, pulling up the package once, pulling up the package twice, pulling up the package three times, and upwards Pull the bag four times, punch the center hole, bend the inner teeth upward, shape the inner iron core teeth, punch the riveting bumps, cut the shape for the second time, rive the left and right iron core teeth, shape and punch the iron core to separate from the metal strip, And sequentially carry out punching and drawing holes on the right iron core, cut the shape for the first time, form the right iron core plate, cut the shape for the second time, pull down the bag once, pull down the bag twice, pull down the bag three times, and pull down the bag four times , punching the center hole, bending the inner tooth downward, shaping the inner iron core tooth, punching riveting punching, pre-cutting the shape and riveting the upper and lower products, so that the riveting convex point and the riveting punching hole can be riveted to achieve the upper The positioning of the iron core and the lower iron core is precise, the connection is fixed, the molding is stable, and the yield rate of the product is greatly improved. One and a half iron cores are easy to separate, and the service life is short. The design of ten iron core teeth has high iron core strength, and the product torque is increased by 30-40%. The product performance is greatly improved and the stability is better. It is very suitable for stepping The motor has a simple structure and a production process of a ten-tooth riveted iron core with low production cost. The present invention is achieved through the following technical solutions:
一种十齿铆接铁芯的生产工艺，包括左铁芯，及与左铁芯铆合连接安装的右铁芯；所述左铁芯的内圆周上设置有铁芯齿，所述左铁芯的边缘上设置有铆合凸点；所述右铁芯的内圆周上设置有铁芯齿，所述右铁芯的边缘上设置有铆合冲孔。A production process for a ten-tooth riveted iron core, comprising a left iron core, and a right iron core riveted and installed with the left iron core; iron core teeth are arranged on the inner circumference of the left iron core, and the left iron core There are riveting bumps on the edge of the right iron core; iron core teeth are arranged on the inner circumference of the right iron core, and riveting punching holes are arranged on the edge of the right iron core.
作为优选，该十齿铆接铁芯的生产流程包括依次对左铁芯进行冲引孔、第一次切外形、形成左铁芯板材、向上拉包一次、向上拉包二次、向上拉包三次、向上拉包四次、冲中孔、向上折弯内齿、整形内铁芯齿、冲铆合凸点、第二次切外形、左右铁芯齿铆合、整形和冲压铁芯脱离金属料带，及依次对右铁芯进行冲引孔、第一次切外形、形成右铁芯板材、第二次切外形、向下拉包一次、向下拉包二次、向下拉包三次、向下拉包四次、冲中孔、向下折弯内齿、整形内铁芯齿、冲铆合冲孔、预切外形和上下产品铆合。Preferably, the production process of the ten-tooth riveted iron core includes punching holes for the left iron core in sequence, cutting the shape for the first time, forming the left iron core plate, pulling up the wrap once, pulling up the wrap twice, and pulling up the wrap three times , pull the bag up four times, punch the center hole, bend the inner teeth upward, shape the inner iron core teeth, punch the riveting bumps, cut the shape for the second time, rive the left and right iron core teeth, shape and stamp the iron core from the metal material belt, and sequentially punch holes for the right iron core, cut the shape for the first time, form the right iron core plate, cut the shape for the second time, pull the bag down once, pull the bag down twice, pull the bag down three times, and pull the bag down Four times, punching the center hole, bending the inner teeth downward, shaping the inner iron core teeth, punching riveting punching, pre-cutting the shape and riveting the upper and lower products.
作为优选，该十齿铆接铁芯的生产工艺为：一、准备金属料带一条，料带左端生产左铁芯，料带右端生产右铁芯。Preferably, the production process of the ten-tooth riveted iron core is as follows: 1. Prepare a metal strip, the left end of the strip produces the left iron core, and the right end of the strip produces the right iron core.
二、生产设备首先沿料带中心及两侧进行冲引孔，生产设备并能齿合因冲孔而前移的料带。2. The production equipment first punches and draws holes along the center and both sides of the material belt, and the production equipment can also mesh with the material belt that is moved forward due to punching.
三、右铁芯在生产时，金属料带对右铁芯的前、后两侧进行第一次切外形，右铁芯的前、后两侧经第一次切外形后形成右铁芯板材，同时，左铁芯在生产时，金属料带对左铁芯的前、后两侧进行第一次切外形，左铁芯的前、后两侧经第一次切外形后形成左铁芯板材。3. During the production of the right iron core, the metal strip cuts the shape of the front and rear sides of the right iron core for the first time, and the front and rear sides of the right iron core form the right iron core plate after the first cut. , at the same time, when the left iron core is produced, the metal strip cuts the shape of the front and rear sides of the left iron core for the first time, and the front and rear sides of the left iron core form the left iron core after the first cut. sheet.
四、右铁芯板材先向下拉包一次，其次，右铁芯板材向下拉包二次，再次，右铁芯板材向下拉包三次，再后，右铁芯板材向下拉包四次成形中心凸包。4. The right iron core plate is first pulled down and wrapped once, and secondly, the right iron core plate is pulled down and wrapped twice, and again, the right iron core plate is pulled down and wrapped three times, and finally, the right iron core plate is pulled down and wrapped four times to form a central convex Bag.
五、左铁芯板材先向上拉包一次，其次，左铁芯板材向上拉包二次，再次，左铁芯板材向上拉包三次，最后，左铁芯板材向上拉包四次成形中心凸包。5. Pull up the left iron core plate once, then pull up the left iron core plate twice, thirdly, pull up the left iron core plate three times, and finally, pull up the left iron core plate four times to form the center convex hull .
六、右铁芯板材进行冲中孔，右铁芯内铁芯齿成型；同时，左铁芯板材也进行冲中孔，左铁芯内铁芯齿成型。6. The center hole is punched on the right iron core plate, and the iron core teeth in the right iron core are formed; at the same time, the center hole is also punched on the left iron core plate, and the iron core teeth in the left iron core are formed.
七、左铁芯板材向上折弯内铁芯齿，右铁芯向下折弯内铁芯齿。7. The left iron core plate bends the inner iron core teeth upwards, and the right iron core bends the inner iron core teeth downward.
八、左铁芯板材整形内铁芯齿，右铁芯板材整形内铁芯齿。8. The inner iron core teeth are shaped by the left iron core plate, and the inner iron core teeth are shaped by the right iron core plate.
九、左铁芯板材进行冲铆合凸点，同时，右铁芯板材进行冲铆合冲孔。9. The left iron core plate is punched and riveted with bumps, and at the same time, the right iron core plate is punched and riveted.
十、对左铁芯的前后两侧进行第二次切外形，左铁芯成型；右铁芯圆周上进行预切外形，右铁芯形成。10. Carry out the second cutting shape on the front and rear sides of the left iron core, and the left iron core is formed; pre-cut the shape on the circumference of the right iron core, and the right iron core is formed.
十一、左铁芯和右铁芯进行整形操作，成型铁芯通过冲压铁芯脱离金属料带后进行成品回收。11. The left iron core and the right iron core are reshaped, and the formed iron core is separated from the metal strip through the stamping iron core, and then the finished product is recycled.
作为优选，所述左铁芯的一端设置有平定位面，左铁芯的另一端设置有凸定位面。Preferably, one end of the left iron core is provided with a flat positioning surface, and the other end of the left iron core is provided with a convex positioning surface.
作为优选，所述左铁芯上的铁芯齿设置有至少十个。Preferably, there are at least ten iron core teeth on the left iron core.
作为优选，所述右铁芯的一端设置有平定位面，右铁芯的另一端设置有凸定位面。Preferably, one end of the right iron core is provided with a flat positioning surface, and the other end of the right iron core is provided with a convex positioning surface.
作为优选，所述右铁芯上的铁芯齿设置有至少十个。Preferably, there are at least ten iron core teeth on the right iron core.
本发明的一种十齿铆接铁芯的生产工艺，包括左铁芯，及与左铁芯铆合连接安装的右铁芯；所述左铁芯的内圆周上设置有铁芯齿，所述左铁芯的边缘上设置有铆合凸点；所述右铁芯的内圆周上设置有铁芯齿，所述右铁芯的边缘上设置有铆合冲孔。本发明依次对左铁芯进行冲引孔、第一次切外形、形成左铁芯板材、向上拉包一次、向上拉包二次、向上拉包三次、向上拉包四次、冲中孔、向上折弯内齿、整形内铁芯齿、冲铆合凸点、第二次切外形、左右铁芯齿铆合、整形和冲压铁芯脱离金属料带，及依次对右铁芯进行冲引孔、第一次切外形、形成右铁芯板材、第二次切外形、向下拉包一次、向下拉包二次、向下拉包三次、向下拉包四次、冲中孔、向下折弯内齿、整形内铁芯齿、冲铆合冲孔、预切外形和上下产品铆合，使铆合凸点与铆合冲孔能铆合连接来达到上铁芯和下铁芯定位精准，其连接固定，成型稳定，产品良品率大大提高，解决了步进马达采用注塑的方式安装时铁芯变形，塑胶在高温的情况下容易会发生融化，造成两个半铁芯容易分离，使用寿命短等问题，其十个铁芯齿的设计，铁芯强度高，产品扭力增强30-40%，产品性能大幅提升，稳定性更加好，十分适用于步进马达，结构简单，生产成本低。A production process of a ten-tooth riveted iron core of the present invention comprises a left iron core, and a right iron core riveted with the left iron core; iron core teeth are arranged on the inner circumference of the left iron core, and the Riveting bumps are arranged on the edge of the left iron core; iron core teeth are arranged on the inner circumference of the right iron core, and riveting punching holes are arranged on the edge of the right iron core. The invention sequentially punches and draws holes on the left iron core, cuts the shape for the first time, forms the left iron core plate, pulls up the bag once, pulls up the bag twice, pulls up the bag three times, pulls up the bag four times, punches the middle hole, Bending the inner teeth upwards, shaping the inner iron core teeth, punching and riveting convex points, cutting the shape for the second time, riveting the left and right iron core teeth, shaping and stamping the iron core from the metal strip, and punching the right iron core in sequence Hole, first cutting shape, forming the right iron core plate, second cutting shape, pulling down the bag once, pulling down the bag twice, pulling down the bag three times, pulling down the bag four times, punching the hole, bending down Internal teeth, shaped inner iron core teeth, punching riveting punching, pre-cut shape and riveting of upper and lower products, so that the riveting bumps and riveting punching holes can be riveted to achieve precise positioning of the upper iron core and the lower iron core, The connection is fixed, the molding is stable, and the yield rate of the product is greatly improved. It solves the problem that the iron core is deformed when the stepping motor is installed by injection molding. The plastic is easy to melt under high temperature conditions, causing the two and a half iron cores to be easily separated. The service life Short and other problems, the design of ten iron core teeth, high iron core strength, product torque increased by 30-40%, product performance greatly improved, better stability, very suitable for stepping motors, simple structure, low production cost.
附图说明Description of drawings
为了易于说明，本发明由下述的较佳实施例及附图作以详细描述。For ease of illustration, the present invention is described in detail by the following preferred embodiments and accompanying drawings.
图1为本发明的一种十齿铆接铁芯的生产工艺俯视图。Fig. 1 is a top view of the production process of a ten-tooth riveted iron core of the present invention.
图2为本发明的一种十齿铆接铁芯的左铁芯和右铁芯的组合截面图。Fig. 2 is a combined sectional view of the left iron core and the right iron core of a ten-tooth riveted iron core of the present invention.
具体实施方式detailed description
为了便于理解本发明，下面将参照相关附图对本发明进行更全面的描述。附图中给出了本发明的较佳实施方式。但是，本发明可以以许多不同的形式来实现，并不限于本文所描述的实施方式。相反地，提供这些实施方式的目的是使对本发明的公开内容理解的更加透彻全面。In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.
除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention.
本实施例中，参照图1至图2所示，本发明的一种十齿铆接铁芯的生产工艺，包括左铁芯1，及与左铁芯1铆合连接安装的右铁芯2；所述左铁芯1的内圆周上设置有铁芯齿12，所述左铁芯1的边缘上设置有铆合凸点11；所述右铁芯2的内圆周上设置有铁芯齿12，所述右铁芯2的边缘上设置有铆合冲孔21。In this embodiment, as shown in Fig. 1 to Fig. 2, a production process of a ten-tooth riveted iron core of the present invention includes a left iron core 1, and a right iron core 2 riveted and installed with the left iron core 1; The inner circumference of the left iron core 1 is provided with iron core teeth 12, and the edge of the left iron core 1 is provided with riveting bumps 11; the inner circumference of the right iron core 2 is provided with iron core teeth 12 , riveting punching holes 21 are arranged on the edge of the right iron core 2 .
在其中一实施例中，该十齿铆接铁芯的生产流程包括依次对左铁芯1进行冲引孔31、第一次切外形32、形成左铁芯板材33、向上拉包一次34、向上拉包二次35、向上拉包三次36、向上拉包四次37、冲中孔38、向上折弯内齿39、整形内铁芯齿40、冲铆合凸点11、第二次切外形41、左右铁芯齿铆合42、整形43和冲压铁芯脱离金属料带44，及依次对右铁芯2进行冲引孔31、第一次切外形32、形成右铁芯板材45、第二次切外形41、向下拉包一次46、向下拉包二次47、向下拉包三次48、向下拉包四次49、冲中孔38、向下折弯内齿50、整形内铁芯齿40、冲铆合冲孔21、预切外形51和上下产品铆合52。In one embodiment, the production process of the ten-tooth riveted iron core includes punching holes 31 on the left iron core 1, cutting the shape 32 for the first time, forming the left iron core plate 33, pulling up the package once 34, upward Pull the bag twice 35, pull the bag up three times 36, pull the bag up four times 37, punch the center hole 38, bend the inner teeth upward 39, shape the inner iron core teeth 40, punch the riveting bump 11, cut the shape for the second time 41. Riveting the left and right iron core teeth 42, shaping 43 and stamping the iron core from the metal strip 44, and sequentially punching the right iron core 2 31, cutting the shape for the first time 32, forming the right iron core plate 45, the second Cut the shape twice 41, pull down the bag once 46, pull down the bag twice 47, pull down the bag three times 48, pull down the bag four times 49, punch the hole 38, bend the inner tooth 50 downward, shape the inner iron core tooth 40. Punching riveting punching 21, pre-cutting shape 51 and riveting 52 of upper and lower products.
在其中一实施例中，该十齿铆接铁芯的生产工艺为：一、准备金属料带3一条，料带左端生产左铁芯1，料带右端生产右铁芯2。In one embodiment, the production process of the ten-tooth riveted iron core is as follows: 1. Prepare a metal strip 3, the left end of the strip produces the left iron core 1, and the right end of the strip produces the right iron core 2.
二、生产设备首先沿料带中心及两侧进行冲引孔31，生产设备并能齿合因冲孔而前移的料带。2. The production equipment first punches and draws holes 31 along the center and both sides of the material belt, and the production equipment can engage the material belt that is moved forward due to punching.
三、右铁芯2在生产时，金属料带3对右铁芯2的前、后两侧进行第一次切外形32，右铁芯2的前、后两侧经第一次切外形32后形成右铁芯板材45，同时，左铁芯1在生产时，金属料带3对左铁芯1的前、后两侧进行第一次切外形32，左铁芯1的前、后两侧经第一次切外形32后形成左铁芯板材33。3. When the right iron core 2 is in production, the metal material strip 3 carries out the first cutting shape 32 on the front and rear sides of the right iron core 2, and the front and rear sides of the right iron core 2 are cut the shape 32 for the first time. Form right iron core plate material 45 afterward, simultaneously, when left iron core 1 is in production, metal band 3 carries out cutting profile 32 for the first time to the front and rear both sides of left iron core 1, the front and rear two sides of left iron core 1 After cutting the profile 32 for the first time, the left iron core plate 33 is formed.
四、右铁芯板材45先向下拉包一次46，其次，右铁芯板材45向下拉包二次47，再次，右铁芯板材45向下拉包三次48，再后，右铁芯板材45向下拉包四次49成形中心凸包。Four, the right iron core plate 45 is first pulled down and wrapped once 46, secondly, the right iron core plate 45 is pulled down and wrapped twice 47, again, the right iron core plate 45 is pulled down and wrapped three times 48, and then, the right iron core plate 45 is Pull down the package four times 49 to form a central convex hull.
五、左铁芯板材33先向上拉包一次34，其次，左铁芯板材33向上拉包二次35，再次，左铁芯板材33向上拉包三次36，最后，左铁芯板材33向上拉包四次37成形中心凸包。5. The left iron core plate 33 is first pulled up and wrapped once 34, and secondly, the left iron core plate 33 is pulled up and wrapped twice 35, again, the left iron core plate 33 is pulled up three times 36, and finally, the left iron core plate 33 is pulled up Pack four times 37 to form a central convex hull.
六、右铁芯板材45进行冲中孔38，右铁芯2内铁芯齿12成型；同时，左铁芯板材33也进行冲中孔38，左铁芯1内铁芯齿12成型。Six, the right iron core plate 45 carries out punching hole 38, and iron core tooth 12 is formed in the right iron core 2; Simultaneously, left iron core plate 33 also carries out punching hole 38, and iron core tooth 12 is formed in left iron core 1.
七、左铁芯板材33向上折弯内铁芯齿12，右铁芯2向下折弯内铁芯齿12。7. The left iron core plate 33 bends the inner iron core teeth 12 upwards, and the right iron core 2 bends the inner iron core teeth 12 downwards.
八、左铁芯板材33整形内铁芯齿40，右铁芯板材45整形内铁芯齿40。Eight, iron core tooth 40 in the left iron core plate 33 shaping, the iron core tooth 40 in the right iron core plate 45 shaping.
九、左铁芯板材33进行冲铆合凸点11，同时，右铁芯板材45进行冲铆合冲孔21。Nine, the left iron core plate 33 is punched and riveted with bumps 11 , and at the same time, the right iron core plate 45 is punched and riveted with punching holes 21 .
十、左铁芯1的前后两侧作第二次切外形41操作，左铁芯1成型；右铁芯2圆周上进行预切外形51，右铁芯2形成。10. The front and rear sides of the left iron core 1 are subjected to the second profile cutting 41 operation, and the left iron core 1 is formed; the pre-cut profile 51 is performed on the circumference of the right iron core 2, and the right iron core 2 is formed.
十一、左铁芯1和右铁芯2进行整形43操作，成型铁芯通过冲压铁芯脱离金属料带44后进行成品回收。11. The left iron core 1 and the right iron core 2 are reshaped 43 , and the formed iron core is separated from the metal material belt 44 by punching the iron core, and then the finished product is recycled.
在其中一实施例中，所述左铁芯1的一端设置有平定位面（未图示），左铁芯1的另一端设置有凸定位面（未图示）。In one embodiment, one end of the left iron core 1 is provided with a flat positioning surface (not shown), and the other end of the left iron core 1 is provided with a convex positioning surface (not shown).
在其中一实施例中，所述左铁芯1上的铁芯齿12设置有至少十个。In one embodiment, there are at least ten iron core teeth 12 on the left iron core 1 .
在其中一实施例中，所述右铁芯2的一端设置有平定位面（未图示），右铁芯2的另一端设置有凸定位面（未图示）。In one embodiment, one end of the right iron core 2 is provided with a flat positioning surface (not shown), and the other end of the right iron core 2 is provided with a convex positioning surface (not shown).
在其中一实施例中，所述右铁芯2上的铁芯齿12设置有至少十个。In one embodiment, there are at least ten iron core teeth 12 on the right iron core 2 .
本发明的一种十齿铆接铁芯的生产工艺，包括左铁芯，及与左铁芯铆合连接安装的右铁芯；所述左铁芯的内圆周上设置有铁芯齿，所述左铁芯的边缘上设置有铆合凸点；所述右铁芯的内圆周上设置有铁芯齿，所述右铁芯的边缘上设置有铆合冲孔。本发明依次对左铁芯进行冲引孔、第一次切外形、形成左铁芯板材、向上拉包一次、向上拉包二次、向上拉包三次、向上拉包四次、冲中孔、向上折弯内齿、整形内铁芯齿、冲铆合凸点、第二次切外形、左右铁芯齿铆合、整形和冲压铁芯脱离金属料带，及依次对右铁芯进行冲引孔、第一次切外形、形成右铁芯板材、第二次切外形、向下拉包一次、向下拉包二次、向下拉包三次、向下拉包四次、冲中孔、向下折弯内齿、整形内铁芯齿、冲铆合冲孔、预切外形和上下产品铆合，使铆合凸点与铆合冲孔能铆合连接来达到上铁芯和下铁芯定位精准，其连接固定，成型稳定，产品良品率大大提高，解决了步进马达采用注塑的方式安装时铁芯变形，塑胶在高温的情况下容易会发生融化，造成两个半铁芯容易分离，使用寿命短等问题，其十个铁芯齿的设计，铁芯强度高，产品扭力增强30-40%，产品性能大幅提升，稳定性更加好，十分适用于步进马达，结构简单，生产成本低。A production process of a ten-tooth riveted iron core of the present invention comprises a left iron core, and a right iron core riveted with the left iron core; iron core teeth are arranged on the inner circumference of the left iron core, and the Riveting bumps are arranged on the edge of the left iron core; iron core teeth are arranged on the inner circumference of the right iron core, and riveting punching holes are arranged on the edge of the right iron core. The invention sequentially punches and draws holes on the left iron core, cuts the shape for the first time, forms the left iron core plate, pulls up the bag once, pulls up the bag twice, pulls up the bag three times, pulls up the bag four times, punches the middle hole, Bending the inner teeth upwards, shaping the inner iron core teeth, punching and riveting convex points, cutting the shape for the second time, riveting the left and right iron core teeth, shaping and stamping the iron core from the metal strip, and punching the right iron core in sequence Hole, first cutting shape, forming the right iron core plate, second cutting shape, pulling down the bag once, pulling down the bag twice, pulling down the bag three times, pulling down the bag four times, punching the hole, bending down Internal teeth, shaped inner iron core teeth, punching riveting punching, pre-cut shape and riveting of upper and lower products, so that the riveting bumps and riveting punching holes can be riveted to achieve precise positioning of the upper iron core and the lower iron core, The connection is fixed, the molding is stable, and the yield rate of the product is greatly improved. It solves the problem that the iron core is deformed when the stepping motor is installed by injection molding. The plastic is easy to melt under high temperature conditions, causing the two and a half iron cores to be easily separated. The service life Short and other problems, the design of ten iron core teeth, high iron core strength, product torque increased by 30-40%, product performance greatly improved, better stability, very suitable for stepping motors, simple structure, low production cost.
上述实施例，只是本发明的一个实例，并不是用来限制本发明的实施与权利范围，凡与本发明权利要求所述原理和基本结构相同或等同的，均在本发明保护范围内。The above-mentioned embodiment is only an example of the present invention, and is not used to limit the implementation and scope of rights of the present invention. All the same or equivalent principles and basic structures as described in the claims of the present invention are within the protection scope of the present invention.
Claims (6)
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| US4615207A (en) * | 1983-09-30 | 1986-10-07 | Mitsui High-Tec, Inc. | Progressive metal mold apparatus for production of laminated iron cores |
| JPH03221221A (en) * | 1990-01-24 | 1991-09-30 | Toshiba Corp | Punched plate progressive press die for iron core of rotary electric machinery |
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