CN211803378U - Stamping progressive die for block iron core - Google Patents
Stamping progressive die for block iron core Download PDFInfo
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- CN211803378U CN211803378U CN201922089673.XU CN201922089673U CN211803378U CN 211803378 U CN211803378 U CN 211803378U CN 201922089673 U CN201922089673 U CN 201922089673U CN 211803378 U CN211803378 U CN 211803378U
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Abstract
The utility model discloses a stamping progressive die of a block iron core, which comprises a progressive die main body consisting of an upper die component and a lower die component, the progressive die main body is respectively provided with a group of pilot punches for punching pilot holes on the material strip, twelve blanking stations which are respectively arranged from left to right according to the feeding direction of the material strip, wherein each blanking station is provided with a blanking die, the twelve blanking stations are divided into the following four blanking groups, and the blanking dies in the first blanking group are positioned on a first row of straight lines in the feeding direction of the material belt, the blanking dies in the second blanking group are positioned on a second row of straight lines in the feeding direction of the material belt, the blanking dies in the third blanking group are positioned on a third row of straight lines in the feeding direction of the material belt, and the blanking dies in the four blanking groups are positioned on a fourth row of straight lines in the feeding direction of the material belt. The utility model provides the high utilization ratio of material to stamping efficiency has been improved.
Description
Technical Field
The utility model relates to a motor core makes the field, concretely relates to piece together punching press of block formula iron core and upgrades mould.
Background
The motor core is a core component of the motor and is used for increasing the magnetic flux of the inductance coil so as to realize the maximum conversion of electromagnetic power. The motor core generally includes a stator core and a rotor core.
In the prior art, a stator core of a motor is formed by laminating annular silicon steel sheets, and a plurality of uniformly distributed winding slots are punched in the inner circle of the silicon steel sheets along the circumferential direction. The problems with this conventional stator core are: the stator core is of an integrated structure, so that the winding is difficult, the production efficiency is low, the winding difficulty also reduces the slot fullness rate of the winding, and the performance of the motor is reduced; in addition, under the condition that the motor has special performance requirements, the stator core and the rotor core need to be made of different materials, and the middle circular waste of the silicon steel sheet of the stator core is wasted after the silicon steel sheet of the stator core is punched, so that the manufacturing cost of the iron core is high.
Therefore, a spliced stator core is developed, the traditional motor stator core is split into a plurality of independent spliced blocks, each spliced block is formed by overlapping a plurality of silicon steel sheets, and the spliced blocks are independently wound to form a whole circle. In addition, the mode of independently winding the split blocks can also improve the slot filling rate of winding, thereby being beneficial to improving the performance of the motor.
If the silicon steel sheets of the block type stator core are punched by a conventional punching die, the utilization rate of the materials is general, and the punching efficiency is not high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a piece together punching press of piece formula iron core and upgrades mould aims at further improving the utilization ratio of material to improve punching press efficiency. The specific technical scheme is as follows:
the utility model provides a punching press of piece together formula iron core upgrades mould, includes the mould main part that upgrades that comprises last mould subassembly, lower mould subassembly, it is used for on the material area punching press to lead positive drift, according to the direction of material area feeding from a left side to the first blanking station of the right side setting gradually twelve blanking stations of twelve total to be provided with a blanking die in the mould main part to upgrade respectively, twelve blanking stations be divided into following four blanking groups on each blanking station:
a first blanking group: the riveting die and the blanking die are respectively positioned at a first blanking station and a third blanking station, the blanking die is positioned at a fourth blanking station, and the blanking dies in the first blanking group are positioned on a first row of straight lines in the feeding direction of the material belt;
a second blanking group: the riveting die and the blanking die are respectively positioned at a second blanking station and a fifth blanking station, the blanking die is positioned at a sixth blanking station, and the blanking dies in the second blanking group are positioned on a second row of straight lines in the feeding direction of the material belt;
a third blanking group: the riveting and blanking die is positioned at a seventh blanking station and a ninth blanking station respectively, the blanking and blanking die is positioned at a tenth blanking station, and the blanking die in the third blanking group is positioned on a third row of straight lines in the feeding direction of the material belt;
a fourth blanking group: the riveting die and the blanking die are respectively positioned at an eighth blanking station and an eleventh blanking station, the blanking die is positioned at a twelfth blanking station, and the blanking die in the fourth blanking group is positioned on a fourth row of straight lines in the feeding direction of the material belt;
the first row of straight lines, the second row of straight lines, the third row of straight lines and the fourth row of straight lines are sequentially and adjacently arranged;
the blanking dies in the first blanking group and the third blanking group are positive blanking dies arranged in the positive direction, and the blanking dies in the second blanking group and the fourth blanking group are inverted blanking dies which are inverted relative to the positive blanking dies.
Preferably, the blanking die on the first row of straight lines and the blanking die on the second row of straight lines are provided with a staggered portion in the width direction of the material belt, the blanking die on the third row of straight lines and the blanking die on the fourth row of straight lines are provided with a staggered portion in the width direction of the material belt, and the blanking die on the second row of straight lines and the blanking die on the third row of straight lines are completely staggered in the width direction of the material belt.
In the technical scheme, four rows or more rows of punching sheets can be simultaneously punched on one material belt by reasonably distributing the riveting blanking die and the blanking die on the die, and the four rows of punching sheets on the material belt are closely arranged in a staggered manner by utilizing the combination of the upright placement and the inverted placement of the riveting blanking die and the blanking die, so that the utilization rate of materials is improved to the maximum extent, and the punching efficiency is improved.
Preferably, the blanking die comprises a male die and a female die, the upper die assembly comprises an upper die plate, the lower die assembly comprises a lower die plate, the male die is connected to the upper die plate, and the female die is connected to the lower die plate.
Preferably, the rivet blanking die is a blanking die for three rivets.
Preferably, the rivet is one of a circular rivet, an annular rivet or a rectangular rivet.
Preferably, the cross-sectional shape of the male die of the blanking die in the direction perpendicular to the stamping direction is integrally T-shaped, the top edge of the upper part of the T-shaped font is an outer arc edge, two ends of the upper part of the T-shaped font are oblique edges, an arc-shaped bulge is arranged on the oblique edge of one end of the T-shaped font, an arc-shaped recess is arranged on the oblique edge of the other end of the T-shaped font, the bottom edge of the lower part of the T-shaped font is an inner arc edge, and flanges extend from two sides of the lower.
Preferably, the outer arc edge is provided with a groove.
The utility model has the advantages that:
first, the utility model discloses a piece together punching press of formula iron core and upgrade mould through the reasonable appearance of sending of riveting blanking die and blanking die on the mould, has realized that a material area goes up the punching sheet that can four rows of punching press play or more multirow simultaneously, and its punching press is efficient.
Second, the utility model discloses a punching press of piece together formula iron core upgrades mould, four rows of towards pieces on the material area utilize riveting blanking die, blanking die just put and the combination of inversion and formed the inseparable range of mutual dislocation to furthest's improvement the utilization ratio of material.
Drawings
Fig. 1 is a schematic structural view of an upper die assembly part of a progressive stamping die for a block iron core according to the present invention;
fig. 2 is a schematic structural view of a lower die assembly part of a progressive stamping die for a segmented iron core according to the present invention;
fig. 3 is a schematic diagram of a blanking die position layout of a progressive stamping die for a block iron core of the present invention;
fig. 4 is a schematic diagram of the position layout of the block iron cores (punching sheets) on the material belt;
fig. 5 is a schematic view of a punched strip of material;
fig. 6 is a schematic cross-sectional view of a blanking die.
In the figure: 1. the punching die comprises a first punching station, a second punching station, a third punching station, a fourth punching station, a fifth punching station, a sixth punching station, a seventh punching station, a sixth punching station, a ninth punching station, a tenth punching station, a sixth punching station, a eleventh punching station, a twelfth straight line, a sixth straight line, a second straight line, a sixth straight line, a third straight line, a fourth straight line, a sixth straight line, a riveting punching die, a blanking die, 18, a blanking punching die, a 19, an upper die assembly, a lower die assembly, 21, a flange, 22, a groove, 23, an upper die plate, a 24, a lower die plate, a 25, a material belt.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 6, the utility model discloses an embodiment of a punching press progressive die of piece together formula iron core, include the progressive die main part of constituteing by last mould subassembly 19, lower mould subassembly 20, be provided with a set of leading drift 27 that is used for punching out on material area 25 leading hole 26, first blanking station 1 ~ twelfth blanking station 12 that sets gradually from a left side to the right side according to the direction of material area feeding respectively in the progressive die main part count twelve blanking stations altogether, are provided with a blanking die on each blanking station, twelve blanking stations be divided into following four blanking groups:
a first blanking group: the riveting die and the blanking die are respectively positioned at a first blanking station 1 and a third blanking station 3, the blanking die and the blanking die are respectively positioned at a fourth blanking station 4, and the blanking dies in the first blanking group are positioned on a first row of straight lines 13 in the feeding direction of the material belt;
a second blanking group: the riveting and blanking die is respectively positioned at a second blanking station 2 and a fifth blanking station 5, the blanking and blanking die is positioned at a sixth blanking station 6, and the blanking die in the second blanking group is positioned on a second row straight line 14 in the feeding direction of the material belt 25;
a third blanking group: the riveting and blanking die is respectively positioned at a seventh blanking station 7 and a ninth blanking station 9, the blanking and blanking die is positioned at a tenth blanking station 10, and the blanking die in the third blanking group is positioned on a third row straight line 15 in the feeding direction of the material belt 25;
a fourth blanking group: the riveting and blanking die is respectively positioned at an eighth blanking station 8 and an eleventh blanking station 11, the blanking and blanking die is positioned at a twelfth blanking station 12, and the blanking die in the fourth blanking group is positioned on a fourth row straight line 16 in the feeding direction of the material belt 25;
the first row of straight lines 13, the second row of straight lines 14, the third row of straight lines 15 and the fourth row of straight lines 16 are sequentially and adjacently arranged;
the blanking dies in the first blanking group and the third blanking group are positive blanking dies arranged in the positive direction, and the blanking dies in the second blanking group and the fourth blanking group are inverted blanking dies which are inverted relative to the positive blanking dies.
Preferably, the blanking die on the first row straight line 13 and the blanking die on the second row straight line 14 are provided with a displacement portion in the width direction of the material strip 25, the blanking die on the third row straight line 15 and the blanking die on the fourth row straight line 16 are provided with a displacement portion in the width direction of the material strip, and the blanking die on the second row straight line 14 and the blanking die on the third row straight line 15 are completely displaced in the width direction of the material strip 25.
In the technical scheme, four rows or more rows of punching sheets can be simultaneously punched on one material belt 25 by reasonably distributing the riveting blanking die 17 and the blanking die 18 on the dies, and the four rows of punching sheets on the material belt 25 are formed into mutually staggered close arrangement by utilizing the combination of the upright position and the inverted position of the riveting blanking die and the blanking die, so that the utilization rate of materials is improved to the maximum extent, and the punching efficiency is improved.
Preferably, the blanking die comprises a male die and a female die, the upper die assembly 19 comprises an upper die plate 23, the lower die assembly 20 comprises a lower die plate 24, the male die is connected to the upper die plate 23, and the female die is connected to the lower die plate 24.
Preferably, the rivet blanking die 17 is a three-rivet blanking die.
Preferably, the rivet is one of a circular rivet, an annular rivet, or a rectangular rivet 28.
Preferably, the blanking die 18 has a cross section perpendicular to the punching direction of the male die, and the cross section is generally T-shaped, the top edge of the upper portion of the T-shaped font is an outer arc edge 29, the two ends of the upper portion of the T-shaped font are oblique edges 30, an arc protrusion 31 is arranged on the oblique edge of one end of the T-shaped font, an arc recess 32 is arranged on the oblique edge of the other end of the T-shaped font, the bottom edge of the lower portion of the T-shaped font is an inner arc edge 33, and flanges 21 extend from the two sides of the lower portion of.
Preferably, the outer arc edge is provided with a groove 22.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a punching press of piece together formula iron core upgrades mould, its characterized in that includes the mould main part that upgrades that comprises last mould subassembly, lower mould subassembly, it is used for punching out the guide drift of leading the positive hole on the material area, according to the direction of material area feeding from a left side to the first blanking station of the setting gradually of the right side twelve blanking stations of twelve total blanking stations to be provided with a blanking die on each blanking station respectively to upgrade in the mould main part, twelve blanking stations be divided into following four blanking groups:
a first blanking group: the riveting die and the blanking die are respectively positioned at a first blanking station and a third blanking station, the blanking die is positioned at a fourth blanking station, and the blanking dies in the first blanking group are positioned on a first row of straight lines in the feeding direction of the material belt;
a second blanking group: the riveting die and the blanking die are respectively positioned at a second blanking station and a fifth blanking station, the blanking die is positioned at a sixth blanking station, and the blanking dies in the second blanking group are positioned on a second row of straight lines in the feeding direction of the material belt;
a third blanking group: the riveting and blanking die is positioned at a seventh blanking station and a ninth blanking station respectively, the blanking and blanking die is positioned at a tenth blanking station, and the blanking die in the third blanking group is positioned on a third row of straight lines in the feeding direction of the material belt;
a fourth blanking group: the riveting die and the blanking die are respectively positioned at an eighth blanking station and an eleventh blanking station, the blanking die is positioned at a twelfth blanking station, and the blanking die in the fourth blanking group is positioned on a fourth row of straight lines in the feeding direction of the material belt;
the first row of straight lines, the second row of straight lines, the third row of straight lines and the fourth row of straight lines are sequentially and adjacently arranged;
the blanking dies in the first blanking group and the third blanking group are positive blanking dies arranged in the positive direction, and the blanking dies in the second blanking group and the fourth blanking group are inverted blanking dies which are inverted relative to the positive blanking dies.
2. The progressive die for stamping a segmented iron core as claimed in claim 1, wherein the blanking dies of the first row and the blanking dies of the second row are offset in the width direction of the strip, the blanking dies of the third row and the blanking dies of the fourth row are offset in the width direction of the strip, and the blanking dies of the second row and the blanking dies of the third row are completely offset in the width direction of the strip.
3. The progressive die for stamping a segmented iron core as claimed in claim 1, wherein the blanking die comprises a male die and a female die, the upper die assembly comprises an upper die plate, the lower die assembly comprises a lower die plate, the male die is connected to the upper die plate, and the female die is connected to the lower die plate.
4. The progressive die for stamping a segmented iron core as claimed in claim 1, wherein the rivet blanking die is a three-rivet blanking die.
5. The progressive die for stamping a segmented iron core as claimed in claim 4, wherein the rivet is one of a circular rivet, an annular rivet, or a rectangular rivet.
6. The progressive die for stamping a segmented iron core as claimed in claim 1, wherein a cross-sectional shape of a male die of the blanking die perpendicular to a stamping direction is generally T-shaped, a top edge of an upper portion of a font of the T-shape is an outer circular arc edge, two ends of the upper portion of the font of the T-shape are oblique edges, an arc-shaped protrusion is disposed on the oblique edge at one end, an arc-shaped recess is disposed on the oblique edge at the other end, a bottom edge of a lower portion of the font of the T-shape is an inner circular arc edge, and flanges extend from two sides of the lower portion of the font of the T-shape.
7. The progressive die for stamping a segmented iron core as claimed in claim 6, wherein a groove is formed on the outer arc edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922089673.XU CN211803378U (en) | 2019-11-28 | 2019-11-28 | Stamping progressive die for block iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922089673.XU CN211803378U (en) | 2019-11-28 | 2019-11-28 | Stamping progressive die for block iron core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211803378U true CN211803378U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922089673.XU Active CN211803378U (en) | 2019-11-28 | 2019-11-28 | Stamping progressive die for block iron core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211803378U (en) |
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2019
- 2019-11-28 CN CN201922089673.XU patent/CN211803378U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 137, Yungu Road, Xingong village, Gushan Town, Jiangyin City, Wuxi City, Jiangsu Province, 214400 Patentee after: Jiangyin Huaxin Precision Technology Co.,Ltd. Address before: No. 137, Yungu Road, Xingong village, Gushan Town, Jiangyin City, Wuxi City, Jiangsu Province, 214400 Patentee before: JIANGYIN HUAXIN ELECTRIC Corp. |
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| CP01 | Change in the name or title of a patent holder |