CN103078452B - Device for carrying out compound punching in stator and rotor progressive dies - Google Patents

Device for carrying out compound punching in stator and rotor progressive dies Download PDF

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Publication number
CN103078452B
CN103078452B CN201310039977.XA CN201310039977A CN103078452B CN 103078452 B CN103078452 B CN 103078452B CN 201310039977 A CN201310039977 A CN 201310039977A CN 103078452 B CN103078452 B CN 103078452B
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China
Prior art keywords
die
rotor
punch
butterfly spring
recoil
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CN201310039977.XA
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CN103078452A (en
Inventor
张刚林
项文华
邓晓根
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NINGBO ZHENYU TECHNOLOGY Co Ltd
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NINGBO ZHENYU TECHNOLOGY Co Ltd
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Priority to CN201220035152.1 priority
Application filed by NINGBO ZHENYU TECHNOLOGY Co Ltd filed Critical NINGBO ZHENYU TECHNOLOGY Co Ltd
Priority to CN201310039977.XA priority patent/CN103078452B/en
Publication of CN103078452A publication Critical patent/CN103078452A/en
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Abstract

The invention relates to a device for carrying out compound punching in stator and rotor progressive dies. The device comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die base, a waste output pipe locating block is arranged at the middle of the top end of the upper die base, an upper padding plate is arranged at the middle of the bottom end of the upper die base, a punch-die is fixed on the bottom end of the upper padding plate, the lower die assembly comprises a lower die base, a rotor discharging groove is arranged at the middle of the top surface of the lower die assembly, a backswing punch retainer is arranged at the bottom end of the rotor discharging groove, a backswing punch plate is arranged at the bottom end of the backswing punch retainer, a belleville spring cavity is arranged below the backswing punch plate, a belleville spring top plate is arranged at the bottom end of the belleville spring cavity, a belleville spring fixing ring is connected to the middle of the top surface of the belleville spring top plate, and belleville springs are arranged at two sides of the belleville spring fixing ring. The device has the beneficial effects of avoiding concentricity errors caused by run-out errors and step pitch errors, and ensuring that the concentricity between an outer diameter and an inner diameter of a rotor is within 0.05mm.

Description

A kind of device carrying out compound punching in stator and rotor progressive die
Technical field
The present invention relates to a kind of device carrying out compound punching in stator and rotor progressive die.
Background technology
At present, electric machine iron core manufacturer to the concentricity requirement increasingly stringent of rotor, to meet rotor dynamic balancing requirement.The concentricity requirement of common air-conditioning, refrigerator compressor motor rotor, within 0.05mm, requires that mould is very high to the stability of concentricity.But existing motor iron core progressive die generally adopts is high velocity ram machine, this high velocity ram machine, in punching stroke, is the stamping-out being realized rotor inner hole and rotor diameter by different two stations.Now, at different two station stamping rotor inner holes and rotor diameters, produce the step pitch error produced in the relative position deviation of two stations and leapfrog process thus, directly decision rotor concentricity change in size.When the harsh product of new mould completes, although can ensure concentricity requirement, along with the continuous use of mould, it is also large that the skew that die point produces and the wearing and tearing that correcting is followed closely can make steering error also come, directly cause concentricity overproof, and the concentricity requirement of mould within the whole life-span cannot be met.For above-mentioned situation, common electric machine manufacturer reaches concentricity requirement by the method for grinding external diameter after external diameter made allowance during employing rotor punching press and cast aluminium, but this method not only increases manufacturing procedure, also adds production cost greatly.
Summary of the invention
The object of this invention is to provide a kind of device carrying out compound punching in stator and rotor progressive die, to overcome currently available technology above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
A kind of device carrying out compound punching in stator and rotor progressive die, comprise upper die component and lower mold assemblies, described lower mold assemblies is located at the bottom of described upper die component, described upper die component comprises upper bolster, the top middle portion of upper bolster is provided with waste material efferent duct locating piece, the center bottom of upper bolster is provided with upper padding plate, upper padding plate bottom is fixed with punch-die, discharging panel seat is provided with below described upper bolster, discharging panel seat bottom is fixed with stripper, in the middle part of discharging panel seat be provided with the perforation corresponding with punch-die in the middle part of stripper, described lower mold assemblies comprises die shoe, rotor blanking die is provided with in the middle part of the end face of die shoe, kicker is provided with in rotor blanking die, the bottom of rotor blanking die is provided with recoil punch retainer, the bottom of recoil punch retainer is provided with recoil convex template, the below of described recoil convex template is provided with butterfly spring cavity, the top of butterfly spring cavity is provided with head part fixed block, the bottom of butterfly spring cavity is provided with butterfly spring top board, butterfly spring retainer plate is connected with in the middle part of the end face of butterfly spring top board, the both sides of butterfly spring retainer plate are provided with butterfly spring, the end face left end of described butterfly spring retainer plate is provided with packing ring, packing ring is connected with drag link sleeve, the other end of drag link sleeve is successively through head part fixed head, recoil convex template and recoil punch retainer are connected with the bottom of kicker.
Be connected with waste material efferent duct between described waste material efferent duct locating piece and upper padding plate, and position corresponding with waste material efferent duct on upper padding plate is provided with through hole.
Position corresponding with through hole on described punch-die is provided with rotor shaft hatch.
Position corresponding with rotor shaft hatch on described kicker is provided with rotor shaft hatch recoil punch, and the other end of rotor shaft hatch recoil punch is connected through the top of recoil punch retainer with recoil convex template.
The cross section of described butterfly spring retainer plate is T-shaped.
Leave gap between the bottom of described kicker and the bottom of rotor blanking die, and the top of kicker is than the top height 0.5mm of rotor blanking die.
Beneficial effect of the present invention is: while entering rotor blanking die at punch-die, rotor shaft hatch recoil punch also enters in rotor shaft hatch, make rotor inner hole and rotor diameter in the same station of progressive die, achieve stamping-out simultaneously, efficiently avoid the concentricity problem because runout error and step pitch error cause, ensure that the concentricity of rotor diameter and internal diameter is within 0.05mm.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is a kind of structural representation carrying out the device of compound punching in stator and rotor progressive die described in the embodiment of the present invention.
In figure:
1, upper die component; 2, lower mold assemblies; 3, upper bolster; 4, waste material efferent duct locating piece; 5, upper padding plate; 6, punch-die; 7, discharging panel seat; 8, stripper; 9, die shoe; 10, rotor blanking die; 11, kicker; 12, recoil punch retainer; 13, recoil convex template; 14, butterfly spring cavity; 15, head part fixed block; 16, butterfly spring top board; 17, butterfly spring retainer plate; 18, butterfly spring; 19, packing ring; 20, drag link sleeve; 21, waste material efferent duct; 22, through hole; 23, rotor shaft hatch; 24, rotor shaft hatch recoil punch.
Detailed description of the invention
As shown in Figure 1, one described in the embodiment of the present invention is fixed, the device of compound punching is carried out in stage progressive die, comprise upper die component 1 and lower mold assemblies 2, described lower mold assemblies 2 is located at the bottom of described upper die component 1, described upper die component 1 comprises upper bolster 3, the top middle portion of upper bolster 3 is provided with waste material efferent duct locating piece 4, the center bottom of upper bolster 3 is provided with upper padding plate 5, upper padding plate 5 bottom is fixed with punch-die 6, discharging panel seat 7 is provided with below described upper bolster, discharging panel seat 7 bottom is fixed with stripper 8, the perforation corresponding with punch-die 6 is provided with in the middle part of discharging panel seat 7 He in the middle part of stripper 8, described lower mold assemblies 2 comprises die shoe 9, rotor blanking die 10 is provided with in the middle part of the end face of die shoe 9, kicker 11 is provided with in rotor blanking die 10, the bottom of rotor blanking die 10 is provided with recoil punch retainer 12, the bottom of recoil punch retainer 12 is provided with recoil convex template 13, the below of described recoil convex template 13 is provided with butterfly spring cavity 14, the top of butterfly spring cavity 14 is provided with head part fixed block 15, the bottom of butterfly spring cavity 14 is provided with butterfly spring top board 16, butterfly spring retainer plate 17 is connected with in the middle part of the end face of butterfly spring top board 16, the both sides of butterfly spring retainer plate 17 are provided with butterfly spring 18, the end face left end of described butterfly spring retainer plate 17 is provided with packing ring 19, packing ring 19 is connected with drag link sleeve 20, the other end of drag link sleeve 20 is successively through head part fixed head 15, recoil convex template 13 and recoil punch retainer 12 are connected with the bottom of kicker 11.Be connected with waste material efferent duct 21 between described waste material efferent duct locating piece 4 and upper padding plate 5, and position corresponding with waste material efferent duct 21 on upper padding plate 5 is provided with through hole 22.On described punch-die 6, the position corresponding with through hole 22 is provided with rotor shaft hatch 23.On described kicker 11, the position corresponding with rotor shaft hatch 23 is provided with rotor shaft hatch and recoils punch 24, and the other end of rotor shaft hatch recoil punch 24 is connected through the top of recoil punch retainer 12 with the convex template 13 that recoils.The cross section of described butterfly spring retainer plate 17 is T-shaped.Leave gap between the bottom of described kicker 11 and the bottom of rotor blanking die 10, and the top of kicker 11 is than the top height 0.5mm of rotor blanking die 10.
During concrete use, punch-die 6 moves downward along with slide block, kicker 11 compression is downwards entered rotor blanking die 10, realizes rotor diameter punching press.After kicker 11 is compressed to dead point downwards by punch-die 6, kicker 11 can carry out reset and move upward under the effect of butterfly spring 18, is upwards released by rotor, sends next station to and carry out blanking separation; And while punch-die 6 enters and carries out rotor diameter punching press in rotor blanking groove 10, rotor shaft hatch recoil punch 24 also enters in the rotor shaft hatch 23 on punch-die 6, achieve the stamping-out of rotor inner hole.The waste material remained in after stamping-out in rotor shaft hatch 23 can enter into waste material efferent duct 21 by the long-pending thick mode laminated, and is discharged outside mould by the waste material in waste material efferent duct 21 just rotor shaft hatch 23.
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection scope of the present invention.

Claims (5)

1. determining for one kind, the device of compound punching is carried out in stage progressive die, comprise upper die component (1) and lower mold assemblies (2), described lower mold assemblies (2) is located at the bottom of described upper die component (1), it is characterized in that: described upper die component (1) comprises upper bolster (3), upper bolster (3) top middle portion is provided with waste material efferent duct locating piece (4), upper bolster (3) center bottom is provided with upper padding plate (5), upper padding plate (5) bottom is fixed with punch-die (6), discharging panel seat (7) is provided with below described upper bolster, discharging panel seat (7) bottom is fixed with stripper (8), discharging panel seat (7) middle part and stripper (8) middle part are provided with the perforation corresponding with punch-die (6), described lower mold assemblies (2) comprises die shoe (9), rotor blanking die (10) is provided with in the middle part of die shoe (9) end face, kicker (11) is provided with in rotor blanking die (10), rotor blanking die (10) bottom is provided with recoil punch retainer (12), recoil punch retainer (12) bottom is provided with recoil convex template (13), recoil convex template (13) below is provided with butterfly spring cavity (14), butterfly spring cavity (14) top is provided with head part fixed block (15), butterfly spring cavity (14) bottom is provided with butterfly spring top board (16), butterfly spring retainer plate (17) is connected with in the middle part of butterfly spring top board (16) end face, butterfly spring retainer plate (17) both sides are provided with butterfly spring (18), butterfly spring retainer plate (17) end face left end is provided with packing ring (19), packing ring (19) is connected with drag link sleeve (20), drag link sleeve (20) other end is successively through head part fixed head (15), recoil convex template (13) and recoil punch retainer (12) are connected with kicker (11) bottom, the upper position corresponding with rotor shaft hatch (23) of described kicker (11) is provided with rotor shaft hatch and recoils punch (24), and the other end of rotor shaft hatch recoil punch (24) is connected with recoil convex template (13) top through recoil punch retainer (12).
2. the device carrying out compound punching in stator and rotor progressive die according to claim 1, it is characterized in that: between described waste material efferent duct locating piece (4) and upper padding plate (5), be connected with waste material efferent duct (21), and the upper position corresponding with waste material efferent duct (21) of upper padding plate (5) is provided with through hole (22).
3. the device carrying out compound punching in stator and rotor progressive die according to claim 2, is characterized in that: the upper position corresponding with through hole (22) of described punch-die (6) is provided with rotor shaft hatch (23).
4. the device carrying out compound punching in stator and rotor progressive die according to any one of claim 1-3, is characterized in that: the cross section of described butterfly spring retainer plate (17) is T-shaped.
5. a kind of device carrying out compound punching in stator and rotor progressive die according to any one of claim 1-3, it is characterized in that: between the bottom of described kicker (11) and the bottom of rotor blanking die (10), leave gap, and the top of kicker (11) is than the top height 0.5mm of rotor blanking die (10).
CN201310039977.XA 2012-02-03 2013-01-30 Device for carrying out compound punching in stator and rotor progressive dies Active CN103078452B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201220035152 2012-02-03
CN201220035152.1 2012-02-03
CN201310039977.XA CN103078452B (en) 2012-02-03 2013-01-30 Device for carrying out compound punching in stator and rotor progressive dies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310039977.XA CN103078452B (en) 2012-02-03 2013-01-30 Device for carrying out compound punching in stator and rotor progressive dies

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CN103078452B true CN103078452B (en) 2015-03-25

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109158467B (en) * 2018-08-24 2020-05-15 首钢智新迁安电磁材料有限公司 Method for improving run-out of non-oriented electrical steel stamping stator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101259506A (en) * 2008-04-29 2008-09-10 天津理工大学 Elastic floating circular conical surface pilot pin upgrading mould feeding precision positioning device
CN101700547A (en) * 2009-04-20 2010-05-05 上海电气集团上海电机厂有限公司 Slitting punching groove die of stator punching sheet
CN101733327A (en) * 2009-12-10 2010-06-16 昌辉(上海)科技集团股份有限公司 Side hole cover progressive die

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4428977B2 (en) * 2003-09-26 2010-03-10 株式会社三井ハイテック Multilayer mold equipment
JP2007006572A (en) * 2005-06-22 2007-01-11 Uchihama Kasei Kk Molding unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101259506A (en) * 2008-04-29 2008-09-10 天津理工大学 Elastic floating circular conical surface pilot pin upgrading mould feeding precision positioning device
CN101700547A (en) * 2009-04-20 2010-05-05 上海电气集团上海电机厂有限公司 Slitting punching groove die of stator punching sheet
CN101733327A (en) * 2009-12-10 2010-06-16 昌辉(上海)科技集团股份有限公司 Side hole cover progressive die

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