CN203695753U - Stamping die for punching sheet used for forming motor rotor - Google Patents

Stamping die for punching sheet used for forming motor rotor Download PDF

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Publication number
CN203695753U
CN203695753U CN201320808709.5U CN201320808709U CN203695753U CN 203695753 U CN203695753 U CN 203695753U CN 201320808709 U CN201320808709 U CN 201320808709U CN 203695753 U CN203695753 U CN 203695753U
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China
Prior art keywords
punching
centre bore
punch
die
packing
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Expired - Fee Related
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CN201320808709.5U
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Chinese (zh)
Inventor
庄敏
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庄敏
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Priority to CN201320808709.5U priority Critical patent/CN203695753U/en
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Publication of CN203695753U publication Critical patent/CN203695753U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a stamping die for a punching sheet used for forming a motor rotor. The stamping die comprises an upper model and a lower model matched with the upper model, wherein the upper model and the lower model are respectively provided with a punch-die, and the two punch-dies are matched with each other, are used for punching a center hole and the excircle of the punching sheet at the same time, and are coincided with each other; the lower model of the stamping die is arranged on a working platform at the lower part of a punching machine, so that a fixed die can be formed; the upper model is arranged on a punching head which is positioned at the upper part of the punching machine and can move up and down, so that a movable die can be formed. After the stamping die is used, the center hole and the excircle of the punching sheet of the rotor can be punched at the same time, so that the concentricity of two circles can be guaranteed, and the defect of punching in two steps in the prior art can be overcome. Finally, the coaxiality of the motor rotor can be improved, assembly is conveniently carried out, the product quality is improved, the working efficiency is increased, and the whole structure is simple.

Description

The diel of the punching of composition rotor
Technical field
The utility model relates to a kind of mould, particularly a kind of diel of the punching that forms rotor.
Background technology
The rotor of motor comprises armature spindle, the rotor punching conglomerate of multiple rotor punching compositions is installed on armature spindle, as shown in Figure 3: it is the centre bore of A that rotor punching 1 has diameter, external diameter B and riveting point 2.Rotor punching is by Dies ' Blanking moulding, at present the centre bore of rotor punching and cylindrical are divided into two steps and carry out when stamping-out, two circles respectively stamping-out are cut and inevitably in concentricity, are occurred error, make troubles with installation to multi-disc combination is integrated, relate to position error and sheet deformation, be difficult to reach high-quality product requirement, namely product axiality is difficult to reach requirement.
Summary of the invention
The object of this invention is to provide a kind of simple in structure, punching centre bore and cylindrical simultaneously stamping-out, improve product axiality, the diel of the punching of the composition rotor that improves the quality of products, overcome the deficiencies in the prior art.
The diel of the punching of composition rotor of the present invention, comprises mo(u)ld bottom half and mo(u)ld top half.
Described mo(u)ld bottom half comprises die shoe, be fixed with disk spring pressing plate in the bottom of die shoe, centre bore convex mould pad has been fixedly connected sequentially on the top of die shoe, centre bore punch retainer, die block, at die block endoporus, place is fixed with cupping tool outside punching, the lower end of the outer cupping tool of punching be positioned at centre bore punch retainer above, outside punching, cupping tool endoporus place is provided with backform successively, die sleeve, punching endoporus punch, being positioned at the endoporus of centre bore punch retainer lower end in the punching endoporus punch at center is positioned on centre bore convex mould pad and with centre bore convex mould pad and is fixedly connected with, backform is fixedly connected with and is connected with top-pressure mechanism with die sleeve, on die sleeve, be processed with packing die and be provided with the nail of upspringing of packing in packing die, in centre bore punch retainer, be provided with the first spring, the first spring upper end lean packing upspring nail lower end, the lower end of the first spring leans on the first plug, the first plug is threaded on centre bore convex mould pad, at backform, between the bottom surface of die sleeve and centre bore punch retainer, leave mo(u)ld bottom half gap,
Described mo(u)ld top half comprises upper bolster, bottom surface at upper bolster is fixed with backing plate successively, punch retainer and the punching cylindrical punch that is positioned at punch retainer endoporus place, the packing punch that packing die matches is housed on punching cylindrical punch, the upper end of packing punch is clamped on backing plate by the second plug, on upper bolster, be provided with bullet ejector pin, there is the 3rd spring the upper end that plays ejector pin, the 3rd spring upper end leans on the 3rd plug, the 3rd plug is threaded on upper bolster, the lower end that plays ejector pin leans on connector, connector is fixedly connected with middle template, below middle template, be fixedly connected with stripper plate, between punch retainer and middle template, leave mo(u)ld top half gap, middle template and upper bolster are bolted to connection.
Described top-pressure mechanism comprises the apical axis being located in die shoe, between edge, apical axis upper end and disk spring pressing plate, be provided with dish spring, between backform, centre bore punch retainer, centre bore convex mould pad, penetrate screw mandrel, outside at screw mandrel is set with sleeve pipe, sleeve pipe is positioned at the hole on centre bore punch retainer and centre bore convex mould pad, the upper end of screw mandrel is fixedly connected with backform screw thread, and sleeve pipe and backform are fixed by screw mandrel, the lower end of sleeve pipe be seated in apical axis above.
Described punching cylindrical punch has centre bore, and this centre bore is communicated with row's waste conduits.
The diel of the punching of composition rotor of the present invention, utilizes stamping machine to carry out stamping-out, and mo(u)ld bottom half is arranged on the bottom workbench of stamping machine, forms cover half, and mo(u)ld top half is arranged on stamping machine top movably on staking punch, forms dynamic model.When pressing sheet material, mo(u)ld top half moves down, by stripper plate and die block clamping sheet material, upper bolster in mo(u)ld top half, fixed head, punch retainer, punching cylindrical punch continues to move down simultaneously, the outer cupping tool of punching cylindrical punch and punching coincide and goes out the cylindrical of punching, when stamping-out, under the effect of punching cylindrical punch, backform, die sleeve, sleeve pipe, screw mandrel, apical axis moves down simultaneously, meanwhile dish spring and the 3rd spring are compressed, punching endoporus punch in mo(u)ld bottom half is motionless, because punching cylindrical punch moves down, the centre bore of punching endoporus punch and punching cylindrical punch is matched, simultaneously stamping-out the centre bore of punching, packing die in packing punch and mo(u)ld bottom half in mo(u)ld top half matches, stamping-out has been carried out in packing riveting point to punching.While moving on mo(u)ld top half, get final product the demoulding, completed the stamping-out process of a rotor punching.This blanking die can, by the centre bore of rotor punching and cylindrical stamping-out simultaneously, guarantee the concentricity of two circles, has finally improved the axiality of rotor, has facilitated assembling, has improved the quality of product, has also improved operating efficiency, and overall structure is simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of mo(u)ld top half in the utility model;
Fig. 2 is the structural representation of the mo(u)ld bottom half that matches with mo(u)ld top half in the utility model;
Fig. 3 is the structural representation of the punching of the punching conglomerate of composition rotor.
The specific embodiment
As shown in Figure 2: mo(u)ld bottom half of the present utility model comprises die shoe 4, be bolted disk spring pressing plate 3 in the bottom of die shoe 4.On the top of die shoe 4, by connecting bolt 20 be fixedly connected sequentially centre bore convex mould pad 6, centre bore punch retainer 8, centre bore punch retainer 8 tops are fixed with die block 10, and between die block 10 and die shoe 4, bolt is fixedly connected with.Be fixed with cupping tool 12 outside punching at die block 10 endoporus places and be also provided with the first stop pin 11 between the two.The lower end of the outer cupping tool 12 of punching be positioned at centre bore punch retainer 8 above.Outside punching, cupping tool 12 endoporus places are provided with backform 13, die sleeve 14, punching endoporus punch 15 successively, be positioned at the endoporus of centre bore punch retainer 8 lower end be positioned on centre bore convex mould pad 6 and with centre bore convex mould pad 6 and be fixedly connected with in the punching endoporus punch 15 at center.Backform 13 is fixedly connected with and is connected with top-pressure mechanism with die sleeve 14.This top-pressure mechanism comprises the apical axis 21 being located in die shoe 4, between apical axis 21 edges, upper end and disk spring pressing plate 3, is provided with dish spring 5, and dish spring 5 is enclosed within the outside of apical axis 21.Between backform 13, centre bore punch retainer 8, centre bore convex mould pad 6, penetrate screw mandrel 9, be set with sleeve pipe 7 in the outside of screw mandrel 9, sleeve pipe 7 is positioned at the hole on centre bore punch retainer 8 and centre bore convex mould pad 6, the upper end of screw mandrel 9 is fixedly connected with backform 13 screw threads, sleeve pipe 7 is fixing by screw mandrel 9 with backform 13, the lower end of sleeve pipe 7 be seated in apical axis 21 above.
On die sleeve 14, be processed with packing die and be provided with the nail 17 of upspringing of packing in packing die, in centre bore punch retainer 8, be provided with the first spring 18, the first spring 18 upper ends lean in packing nail 17 the lower end of upspringing, the lower end of the first spring 18 leans on the first plug 19, the first plug 19 is threaded on centre bore convex mould pad 6, between the bottom surface of backform 13, die sleeve 14 and centre bore punch retainer 8, leaves mo(u)ld bottom half gap 42.
As shown in Figure 1: mo(u)ld top half of the present utility model comprises upper bolster 28, be fixed with successively backing plate 33, punch retainer 35 and be positioned at the punching cylindrical punch 23 at punch retainer 35 endoporus places at the underrun construction bolt 30 of upper bolster 28, punching cylindrical punch 23 has endoporus, and the punching endoporus punch 15 in this endoporus and mo(u)ld bottom half matches.The packing punch 24 that packing die matches is housed on punching cylindrical punch 23, and the upper end of packing punch 24 is clamped on backing plate 33 by the second plug 32.On upper bolster 28, be provided with and play ejector pin 39, there is the 3rd spring 38 upper end that plays ejector pin 39, the 3rd spring 38 upper ends lean on the 3rd plug 37, the 3rd plug 37 is threaded on upper bolster 28, the lower end that plays ejector pin 39 leans on connector 40, connector 40 is fixedly connected with middle template 36, and middle template 36 is fixedly connected with stripper plate 22 below by screw.Between punch retainer 35 and middle template 36, leave mo(u)ld top half gap 41.Middle template 36 is bolted to connection with upper bolster 28.For conveniently stripped, on punching cylindrical punch 23, be provided with the second spring 26, the upper end of the second spring 26 has the bolt 27 that leans being threaded with punching cylindrical punch 23 to lean, the lower end of the second spring 26 leans in knockout pin 25 upper ends, and stretch out from the bottom surface of punching cylindrical punch 23 knockout pin 25 lower ends.
The endoporus top of punching cylindrical punch 23 is communicated with row's waste conduits 29, row's waste conduits 29 upper bolster 28 in the intermediate mass 31 that is positioned at upper bolster 28 tops upwards and outside turning round and stretching to.
The diel of the punching of composition rotor of the present invention, utilizes stamping machine to carry out stamping-out, and mo(u)ld bottom half is arranged on the bottom workbench of stamping machine, forms cover half, and mo(u)ld top half is arranged on stamping machine top movably on staking punch, forms dynamic model.When pressing sheet material, mo(u)ld top half moves down, clamp sheet material by stripper plate 22 and die block 10, upper bolster 28 in mo(u)ld top half, backing plate 33, punch retainer 35, punching cylindrical punch 23 continues to move down simultaneously, punching cylindrical punch 23 coincide and goes out the cylindrical of punching 1 with the outer cupping tool 12 of punching, when stamping-out, under the effect of punching cylindrical punch 23, backform 13, die sleeve 14, sleeve pipe 7, screw mandrel 9, apical axis 21 moves down simultaneously, meanwhile dish spring 5 and the 3rd spring 38 are compressed, punching endoporus punch 15 in mo(u)ld bottom half is motionless, because punching cylindrical punch 23 moves down, punching endoporus punch 15 and the centre bore of punching cylindrical punch 23 are matched, simultaneously stamping-out the centre bore of punching 1, packing punch 24 in mo(u)ld top half matches with the packing die in mo(u)ld bottom half, stamping-out has been carried out in packing riveting point 2 to punching 1.While moving on mo(u)ld top half, get final product the demoulding, completed the stamping-out process of a rotor punching.This blanking die can, by the centre bore of rotor punching and cylindrical stamping-out simultaneously, guarantee the concentricity of two circles, has finally improved the axiality of rotor, has facilitated assembling, has improved the quality of product, has also improved operating efficiency, and overall structure is simple.

Claims (3)

1. form a diel for the punching of rotor, comprise mo(u)ld bottom half and mo(u)ld top half, it is characterized in that:
Described mo(u)ld bottom half comprises die shoe (4), be fixed with disk spring pressing plate (3) in the bottom of die shoe (4), centre bore convex mould pad (6) has been fixedly connected sequentially on the top of die shoe (4), centre bore punch retainer (8), die block (10), at die block (10), endoporus place is fixed with cupping tool outside punching (12), the lower end of the outer cupping tool (12) of punching be positioned at centre bore punch retainer (8) above, cupping tool outside punching (12) endoporus place is provided with backform (13) successively, die sleeve (14), punching endoporus punch (15), the endoporus the lower end that are positioned at centre bore punch retainer (8) in the punching endoporus punch (15) at center are positioned at centre bore convex mould pad (6) above and are fixedly connected with centre bore convex mould pad (6), backform (13) is fixedly connected with and is connected with top-pressure mechanism with die sleeve (14), on die sleeve (14), be processed with packing die and be provided with the nail (17) of upspringing of packing in packing die, in centre bore punch retainer (8), be provided with the first spring (18), the first spring (18) upper end leans in the upspring lower end of nail (17) of packing, the lower end of the first spring (18) leans on the first plug (19), the first plug (19) is threaded on centre bore convex mould pad (6), in backform (13), between the bottom surface of die sleeve (14) and centre bore punch retainer (8), leave mo(u)ld bottom half gap (42),
Described mo(u)ld top half comprises upper bolster (28), be fixed with successively backing plate (33) in the bottom surface of upper bolster (28), punch retainer (35) and be positioned at the punching cylindrical punch (23) at punch retainer (35) endoporus place, the packing punch (24) that packing die matches is housed on punching cylindrical punch (23), the upper end of packing punch (24) is clamped on backing plate (33) by the second plug (32), on upper bolster (28), be provided with and play ejector pin (39), there is the 3rd spring (38) upper end that plays ejector pin (39), the 3rd spring (38) upper end leans on the 3rd plug (37), the 3rd plug (37) is threaded on upper bolster (28), the lower end that plays ejector pin (39) leans on connector (40), connector (40) is fixedly connected with middle template (36), middle template (36) is fixedly connected with stripper plate (22) below, between punch retainer (35) and middle template (36), leave mo(u)ld top half gap (41), middle template (36) is bolted to connection with upper bolster (28).
2. the diel of the punching of composition rotor according to claim 1, it is characterized in that: described top-pressure mechanism comprises the apical axis (21) being located in die shoe (4), between apical axis (21) edge, upper end and disk spring pressing plate (3), be provided with dish spring (5), in backform (13), centre bore punch retainer (8), between centre bore convex mould pad (6), penetrate screw mandrel (9), be set with sleeve pipe (7) in the outside of screw mandrel (9), sleeve pipe (7) is positioned at the hole on centre bore punch retainer (8) and centre bore convex mould pad (6), the upper end of screw mandrel (9) is fixedly connected with backform (13) screw thread, sleeve pipe (7) is fixing by screw mandrel (9) with backform (13), the lower end of sleeve pipe (7) be seated in apical axis (21) above.
3. the diel of the punching of composition rotor according to claim 1 and 2, is characterized in that: described punching cylindrical punch (23) has centre bore, and this centre bore is communicated with row's waste conduits (29).
CN201320808709.5U 2013-12-03 2013-12-03 Stamping die for punching sheet used for forming motor rotor Expired - Fee Related CN203695753U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320808709.5U CN203695753U (en) 2013-12-03 2013-12-03 Stamping die for punching sheet used for forming motor rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320808709.5U CN203695753U (en) 2013-12-03 2013-12-03 Stamping die for punching sheet used for forming motor rotor

Publications (1)

Publication Number Publication Date
CN203695753U true CN203695753U (en) 2014-07-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320808709.5U Expired - Fee Related CN203695753U (en) 2013-12-03 2013-12-03 Stamping die for punching sheet used for forming motor rotor

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105537351A (en) * 2016-01-20 2016-05-04 北京首钢股份有限公司 Method for improving universality of stamping die for stamping laminated pieces of electrical steel material
CN110788213A (en) * 2019-11-06 2020-02-14 黄三妹 Manufacturing and processing die for motor rotor punching sheet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105537351A (en) * 2016-01-20 2016-05-04 北京首钢股份有限公司 Method for improving universality of stamping die for stamping laminated pieces of electrical steel material
CN110788213A (en) * 2019-11-06 2020-02-14 黄三妹 Manufacturing and processing die for motor rotor punching sheet
CN110788213B (en) * 2019-11-06 2021-06-08 温岭市开天机电有限公司 Manufacturing and processing die for motor rotor punching sheet

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140709

Termination date: 20141203

EXPY Termination of patent right or utility model