CN101850389B - Bimetal coin/badge outer-race manufacturing equipment - Google Patents
Bimetal coin/badge outer-race manufacturing equipment Download PDFInfo
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- CN101850389B CN101850389B CN2010101544048A CN201010154404A CN101850389B CN 101850389 B CN101850389 B CN 101850389B CN 2010101544048 A CN2010101544048 A CN 2010101544048A CN 201010154404 A CN201010154404 A CN 201010154404A CN 101850389 B CN101850389 B CN 101850389B
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Abstract
The invention relates to metal coin/ badge outer-race manufacturing equipment, in particular to bimetal coin/ badge outer-race manufacturing equipment, belonging to the technical field of minting equipment. A chassis is provided with an upper die base body and a lower die base body, which can move relatively up and down, wherein the lower die base body is provided with a punching lower die base module and an expansion-slot lower die base module, which are arranged at the circumference of a discoid driver cake device in order; the upper die base body is provided with a punching upper die base module and an expansion-slot upper die base module, which correspond to the punching lower die base module and the expansion-slot lower die base module respectively; the discoid driver cake device is provided with a group of radial dial claws with intermittent locomotion and the circumference is provided with an arc-shaped rail being capable of accommodating blank cakes; a claw nozzle of the dial claws can block the base in the arc-shaped rail. Thus, after entering into the arc-shaped rail, the blank cakes can transfer to a punching location and an expansion-slot location successively under the drive of the dial claw so as to implement continuously blanking and groove-making under the action of the punching die and expansion-slot die in the synchronous working and finish efficiently the manufacture of inner circumference of the outer-race towards an intermittent groove.
Description
Technical field
The present invention relates to a kind of metal coin/badge outer-race manufacturing equipment, especially a kind of bimetal coin/badge outer-race manufacturing equipment belongs to the coinage equipment technical field.
Background technology
According to applicant's understanding, the combined process technology of bimetal coin/badge manufacturing at present has multiple modes such as " inner core edge circumference rolls groove ", " outer shroud endoporus circumference rolls groove ", " outer shroud aperture chamfering ", " inner core outer shroud interference fit ", " axial intermittent grooves in the outer annular distance ".And use " circumferential intermittent groove (referring to Fig. 5, Fig. 6) in the outer annular distance " to make the argumentation that bimetal coin/badge only has principle, do not see the introduction of continuous manufacturing technology and manufacturing equipment.
Summary of the invention
The objective of the invention is to: propose a kind of bimetal coin/badge outer-race manufacturing equipment that can accomplish blanking and system groove continuously, thereby the efficient manufacturing that realizes circumferential intermittent groove in the outer annular distance can be made by unit bimetal coin/badge outer-race in enormous quantities.
In order to achieve the above object; Be equipped with on the bimetal coin/badge outer-race manufacturing equipment frame of the present invention can relative motion patrix pedestal and counterdie pedestal, said counterdie pedestal is equipped with and is positioned at plate-like according to the order of sequence and dials under the punching of cake device circumference membrane module under the membrane module and bloated groove; Said patrix pedestal be equipped with respectively with punching under corresponding punching upper die component and the bloated groove upper die component of membrane module under membrane module and the bloated groove; Said plate-like is dialled the cake device and is had one group of intermittently radial pusher dog of transposition, and circumference is provided with the arc track that can hold the base cake; The pawl mouth of said pusher dog can hold the base cake that is positioned at arc track.
Like this, after the base cake gets into arc orbit, under the drive of pusher dog; Can successively be indexed into punching station and bloated groove station; Thereby under the effect of punching die that works asynchronously and bloated groove mould, accomplish blanking and system groove continuously, the efficient manufacturing that realizes the interior circumferential intermittent groove of outer annular distance.
It is that the pawl mouth of said pusher dog is the semicircle that can hold the base cake that the present invention further improves; Under the said punching under membrane module and the bloated groove membrane module be positioned at arc orbit middle part according to the order of sequence; The initiating terminal of said arc orbit be equipped with the orbital injection of base cake push away cake mechanism, clearing end is equipped with material blanking tube.
Like this, not only realized uniting two into one of punching and account groove operation, and realized the automatic input of base cake and the automatic output of finished product, thereby bimetal coin/badge outer-race can be made by unit in enormous quantities.
Description of drawings:
Fig. 1 is the overall structure sketch of one embodiment of the invention.
Fig. 2 is an I-I diagrammatic cross-sectional view among Fig. 1.
Fig. 3 is the structure for amplifying sketch map of punching die and bloated groove mould among Fig. 1 embodiment.
Structure for amplifying sketch map when Fig. 4 is in punching and bloated groove state for Fig. 1 embodiment.
Fig. 5 is completion outer shroud product structure sketch map.
Fig. 6 is the vertical view of Fig. 5.
The specific embodiment
The bimetal coin/badge outer-race manufacturing equipment basic structure of present embodiment is as depicted in figs. 1 and 2, and upper rack is fixed with the ventricumbent patrix pedestal 31 of work, and be equipped with under the lift drive mechanism effect bottom, relatively the counterdie pedestal of upper bolster motion.The counterdie pedestal is equipped with and is positioned at plate-like according to the order of sequence and dials membrane module under the bloated groove of membrane module and bloated die worker position under the punching of cake device 22 circumference punching stations 16.Patrix pedestal 31 be equipped with respectively with punching under corresponding punching upper die component and the bloated groove upper die component of membrane module under membrane module and the bloated groove, thereby form double mechanism.
Plate-like is dialled cake device 22 and is had one group 16 the intermittently radial pusher dogs 15 of transposition, and circumference is provided with the arc track 14 that can hold base cake 10.Pusher dog 15 is being dialled under 22 drives of cake device 22.5 ° of each indexings.The pawl mouth of pusher dog 15 is the semicircle that can hold the base cake, therefore can hold the base cake that is positioned at arc track 14.Under the punching under membrane module and the bloated groove membrane module lay respectively at arc orbit middle part 15B, 15C place; And the initiating terminal 15A place of arc orbit is provided with the barrel 12 that is positioned at chute 11 lower ends; And be equipped with the orbital injection of base cake push away cake mechanism 13, clearing end 15D is equipped with material blanking tube 20 in the place.
During work, base cake 10 continuously falls into barrel 12 via chute 11, and under the effect that pushes away cake mechanism 13, the base cake 10 that is in barrel 12 bottommosts gets in the arc-shaped rail 14 of dialling cake device 22 circumference one by one.When dialling 22 transpositions of cake device, pusher dog 15 drives base cake 10 and at first enters into punching station 16 along track 14, accomplishes punching at this, forms ring-type base cake 10A, and the inner core material blanking tube 17 under the membrane module falls into inner core charging basket 18 to the inner core 10B that sweeps away under the punching via being positioned at.After punching was accomplished, under pusher dog 15 transposition campaign next time drove, ring-type base cake 10A continued to enter in the bloated groove station 19 along track 14, accomplished hole wall circumferential intermittent groove at this and was shaped, and formed in order to make the outer shroud finished product 100 of bimetal coin/badge.Then continue under the drive of transposition at pusher dog 15, outer shroud 100 finally enters into the discharging opening of dialling in the cake device arc-shaped rail 14, falls in the finished product charging basket 21 via material blanking tube 20.
As shown in Figure 3, the punching upper die component at punching station place mainly comprises punch die cover 23, punch die 24, inner core knock-pin 25, mould circle 26, outer shroud ejector sleeve 27, mould snare 28, spring pole socket 29 and patrix base 30.Wherein, mould circle 26 is fixed on the upper die body seat 31 through mould snare 28 and patrix base 30, is fixed on the housiung separator through patrix pedestal 31 again.The punch die 24 as drift is installed at mould circle 26 middle parts, and punch die 24 is outer to be with that the lower end leans against mould circle 26 inner faces, the upper end is resisted against the outer shroud ejector sleeve 27 on the spring, and the center of punch die 24 is fitted with the upper end and is resisted against the inner core knock-pin 25 on the inner spring.
Punch die 24 is as drift, and its outside diameter is consistent with outer shroud 100 apertures, bears the stamping press of vertical direction.Mould circle 26 is in order to location base cake 10, and its aperture is consistent with base cake 10 diameters.Punch die cover 23 is in order to location punch die 24, and mould snare 28 is in order to positioning module circle 26, and punch die cover 23 all pass through patrix base 30 location again with mould snare 28, finally makes punch die 24, mould circle 26 coaxial with patrix base 30 centers, and the hole of going out with assurance occupy base cake center.The inner inner core knock-pin 25 of punch die 24 remains tensioning state under the effect of spring force, so that the inner core that sweeps away during punching breaks away from punch die 24 lower surfaces, avoid inner core to cling punch die 24 and make that follow-up punching function is influenced.The function of outer shroud ejector sleeve 27 and inner core knock-pin 23 functional similarities also are that the outer shroud of effect after with punching that relies on spring force ejects mould circle 26, avoid outer shroud to be bonded at and make follow-up punching function influenced in the mould circle 26.Stamping press during punching at first acts on the punch die 24, passes to spring pole socket 29, following gliding mass 70, slide block 71 then successively, finally is delivered to the housiung separator place through upper die body seat 31.
Membrane module is mainly by through comprising that the die 32 that die locking nut 33 is fixed on counterdie supporter 34 constitutes under the punching of punching die, and this counterdie supporter 34 is fixed on the ram 61 through die shoe 35 and counterdie base 36.Die 32 is realized the punching action in order to cooperate with punch die 24; Its diameter of bore and punch die 24 outside diameters are complementary, and its outside diameter and mould circle 26 apertures are complementary, and when punching, hold base cake 10; And let the inner core 10B that sweeps away fall along endoporus, bear the stamping press identical with punch die 24.Die 32 is coaxial with mould circle 26 centers, so that punch die 24 gets in the middle of die 32 endoporus smoothly.Die locking nut 33 is in order to be fixed in die 32 on the counterdie supporter 34.Die shoe 35 is in order to location counterdie supporter 34, and counterdie base 36 is in order to location die shoe 35, and counterdie base 36 is positioned on the ram, like this, whole part of the lower die is fixed on the ram 61 of transmission mechanism through counterdie base 36.
The bloated groove upper die component at bloated groove station place mainly comprises mould circle 48, groove outer shroud ejector sleeve 49, upper die body 50, mould snare 51 and bloated groove patrix base 53 expand; Wherein mould snare 51 is fixed on the patrix pedestal 31 through the groove patrix base 53 that expands, and upper die body 50 is equipped with at mould snare 51 centers.Upper die body 50 is positioned on the screw rod 54 through locking nut 52, and the lower end has the expansion conehead, in order to push the bloated slotted vane positioning core axle 41 on the channel mould that expands.The upper die body 50 outer upper ends that are set with are resisted against the bloated groove outer shroud ejector sleeve 49 on the elastic device.The adjusting nut 56 that is positioned on the compact heap 55 can be adjusted upper die body 50 position in vertical direction, in order to control the axial displacement of the slotted vane positioning core axle 41 that expands.The mode that the center of upper die body 50 cooperates with patrix base 53 base apertures through screw rod 54 keeps coaxial with patrix base 53 centers.Mould circle 48 is in order to location base cake 10A, and himself is through mould snare 51 location, and mould snare 51 through patrix base 53 location, makes mould circle 48 centers coaxial with patrix base 53 centers again, and this original mold circle 48, upper die body 50 are coaxial with patrix base three's center.
Membrane module contains the sleeve-like clamp body 45 that is installed in counterdie base 43 through counterdie bearing 44 under the bloated groove.The slotted vane positioning core axle 41 that expands is installed at the center of clamp body 45, and slotted vane positioning core axle 41 disposed about bloated slotted vane 40 radially expands.The cutting edge of each is bloated slotted vane 40 is in and mandrel 41 concentric positions.Slotted vane positioning core axle 41 axial locations that expand are adjustable, in order to the radial displacement and the final shaping degree of depth of controlling hole wall groove 102 of controlling the slotted vane 40 that expands.When bloated slotted vane positioning core axle 41 down moves vertically; Expand slotted vane 40 under the effect of upper die body 50 lower ends expansion conehead; To produce radial displacement laterally, its top outer forms groove 102 along the protruding cutting edge extruded stock cake 10A hole wall of thickness direction on hole wall at this moment.Compound bloated channel mould assembly is positioned on the counterdie bearing 44 through locking nut, and counterdie bearing 44 is fixed in again to be regulated on the base 43, is connected on the counterdie pedestal 42 and regulate base 43.Through excircle on the adjustment counterdie pedestal 42 to the adjustment screw that distributes; Can carry out certain adjustment to being fixed in the center of regulating the counterdie bearing 44 on the base 43, and it is coaxial with the center of mould circle 48 to adjust the cutting edge center that is connected in each bloated slotted vane 40 on the counterdie bearing 44 thus.Said structure makes the upper die body 50 at the groove mould place of expanding all coaxial with mould circle 48 centers with each bloated slotted vane 40 cutting edge center of bloated groove groove, can guarantee the depth of groove unanimity that each bloated slotted vane squeezes out on hole wall like this.At last, aforementioned bloated groove mould the latter half is fixed on the fixed head 60 that is connected with transmission mechanism ram 61 through counterdie pedestal 42.
In brief, the double mould of present embodiment can be summarized as: punching and bloated groove upper die component are positioned on the same patrix pedestal 31 by patrix base 30,53 separately.Under punching and the bloated groove membrane module respectively counterdie base 36, the counterdie pedestal 42 through separately be fixed on the same movement parts ram 61.The position of positioning hole that patrix pedestal 31 is installed each upper mould base is consistent with the double layout, and the center of groundworks such as the punch die 24 in each mould the first half, mould circle 26, upper die body 50, mould circle 48 part is through keeping consistent with the double layout with the patrix base is coaxial separately; The center of the die 32 in each mould the latter half, the groundwork parts such as channel mould that expand is through keeping consistent with the double layout with the mould circle is coaxial.When work, the first half maintenance of each station mould is motionless, relies on the punching die die 32 of high speed reciprocating motion drive the latter half of ram 61 to realize punching and bloated groove function with the bloated channel mould of bloated groove mould.
The shape of each die location state and base cake when Fig. 3 is in limit inferior position in the work for ram 61.At punching station 15B place, die 31 is positioned at below, base cake moving track 14 bottom surfaces, and its top side location is in the base cake 10 that just in time can hold in this wait.Base cake 10 arrives 15B punching station place and waits under the drive of pusher dog 15, inner core knock-pin 23 is in the limit inferior position with outer shroud ejector sleeve 25 under the spring force effect.When base cake 10 arrived 15B punching station, the base cake 10A of last completion punching arrived the bloated groove station place of 15C and waits for that outer shroud ejector sleeve 49 is in the limit inferior position under the effect of spring force under the drive of pusher dog 15.The interior bloated slotted vane positioning core axle 41 of channel mould that expands is in upper limit under the effect of spring force, its end face is in below, base cake moving track 14 bottom surfaces, can not be obstructed so that base cake 10A arrives when expanding groove station 15C.Meanwhile; Each is bloated slotted vane 40 is adjacent to the slotted vane positioning core axle 41 that expands all the time under the effect of back-moving spring radially; When mandrel 41 is in upper limit; Each is bloated, and the slotted vane cutting edge is in the minimum circumscribed circle of a diameter dimension, and the diameter dimension of this circumscribed circle is slightly less than hole dimension in the base cake 10, so that the slotted vane cutting edge that expands gets into base cake endoporus smoothly to pushing the hole wall groove location.
Each die location state and base cheese shape when Fig. 4 is in the work limes superiors position for ram 61.The latter half of punching die is moved under the drive of ram 61 on the whole; Die 31 jacking base cakes 10 enter into mould circle 26 endoporus; Punch die 24 sweeps away inner core 10B, and inner core knock-pin 23 from punch die 24 lower surfaces, can with inner core 10B band leave mould circle 26 when die 31 withdraws from like this with inner core 10B top.The base cake 10A that outer shroud ejector sleeve 25 is withstood by spring pressure to form after the punching all the time, when die 31 withdrawed from mould circle 26, base cake 10A was also ejected the mould circle by outer shroud ejector sleeve 25.Meanwhile, the latter half of the groove mould that expands is also moved on the whole, and slotted vane 40 top end that expand are held base cake 10A and got in mould circle 48 holes, and outer shroud ejector sleeve 49 receives spring pressure to withstand base cake 10A all the time.The slotted vane positioning core axle 41 that expands moves down under upper die body 50 extruding vertically, receives the bloated slotted vane 40 of this effect radially to produce displacement, and the cutting edge on it squeezes out groove flute profile 102 on base cake 10A hole wall, form the outer shroud 100 that hole wall has circumferential distribution intermittent grooves.Behind the groove extrusion molding, when ram 61 moved down, the slotted vane positioning core axle 41 that expands moved vertically under the effect of spring force and resets.Simultaneously, expand slotted vane 40 under the effect of radial spring power, radially resetting breaks away from hole wall groove and moving down and break away from mould circle 48 with ram 61.Outer shroud 100 also moving down and break away from mould circle 48 under the effect of outer shroud ejector sleeve with ram 61.
The outer shroud 100 product examples that Fig. 5 and Fig. 6 finally process for present embodiment, hole 101 forms for the punching out of above-mentioned punching die institute, and groove 102 forms for the above-mentioned bloated groove mould system of expanding.
More popular saying, the bimetal coin/badge outer-race fabrication stage of present embodiment comprises following two main manufacturing steps:
1), the solid billet cake is at punching station place, via the punching die punching out central bore of going ahead of the rest;
2), the ring-type base cake after the endoporus punching out is at bloated groove station, via the intermittent grooves that circumferentially distributes on the bloated drilling wall of the groove mould that expands.
For realizing above-mentioned two main manufacturing steps, equipment of the present invention has following design feature:
1. punching station comprises after the mould circle that is used for fixing the base cake by punch die and die, when the required die holder of punch die and die, punching are installed, the punching the complete punching die of a cover that backing-out punch constituted that the base cake is ejected the mould circle;
2. bloated groove station comprises by patrix and bloated channel mould, the complete bloated groove mould of a cover that backing-out punch constituted that the base cake is ejected the mould circle is installed behind the required die holder of patrix and bloated channel mould, the mould circle that is used for fixing the base cake when expanding groove, the groove that expands;
3. above-mentioned two stations circumferentially distribute a horizontal plane upper edge;
4. the base cake is accomplished by the horizontal calibration rotation of a cover group cake mechanism in the feeding of above-mentioned two stations automatically;
5. the bloated channel mould die holder of punching station die die holder and bloated groove station is installed on the same movement parts (ram), makes punching and groove shaping function realize synchronously.
According to above-mentioned manufacturing process, double layout and the mould structure that adapts to it, this equipment can be reliablely and stablely continuously the manufacturing hole cornice bimetal coin/badge outer-race of circumferential distribution intermittent grooves is arranged.
The said structure of present embodiment can obtain the similar result with the present invention through changing, increase or reducing part.For example, change the structure of the bloated slotted vane clamp body of groove mould that expands, can increase or reduce the quantity of bloated slotted vane in the legend, to reach the purpose that increases or reduce hole wall groove quantity.Perhaps, the shape that changes the slotted vane cutting edge that expands is to reach the purpose that changes groove shapes.Perhaps, change doffer and dial the cake device, realize the hole inner groovy manufacturing of other profile base cake shown in the non-legend of the present invention through present device, as, in order to realize the manufacturing of polygon base cake hole wall circumferential intermittent groove.
Claims (7)
1. bimetal coin/badge outer-race manufacturing equipment, be equipped with on the frame can relative motion patrix pedestal and counterdie pedestal, it is characterized in that: said counterdie pedestal is equipped with and is positioned at plate-like according to the order of sequence and dials under the punching of cake device circumference membrane module under the membrane module and bloated groove; Said patrix pedestal be equipped with respectively with punching under corresponding punching upper die component and the bloated groove upper die component of membrane module under membrane module and the bloated groove; Said plate-like is dialled the cake device and is had one group of intermittently radial pusher dog of transposition, and circumference is provided with the arc track that can hold the base cake; The pawl mouth of said pusher dog can hold the base cake that is positioned at arc track; Under the said punching under membrane module and the bloated groove membrane module be positioned at arc orbit middle part according to the order of sequence.
2. bimetal coin/badge outer-race manufacturing equipment according to claim 1 is characterized in that: the pawl mouth of said pusher dog is the semicircle that can hold the base cake; The initiating terminal of said arc orbit be equipped with the orbital injection of base cake push away cake mechanism, clearing end is equipped with material blanking tube.
3. bimetal coin/badge outer-race manufacturing equipment according to claim 1; It is characterized in that: said bloated groove upper die component contains through the groove patrix base that expands and is fixed on the mould snare on the said patrix pedestal; Upper die body is equipped with at said mould snare center, and said upper die body lower end has the expansion conehead; Membrane module contains the sleeve-like clamp body that is installed in the counterdie base through the counterdie bearing under the said bloated groove, and the slotted vane positioning core axle that expands, said bloated slotted vane positioning core axle disposed about bloated slotted vane are radially installed in the center of said clamp body.
4. bimetal coin/badge outer-race manufacturing equipment according to claim 3 is characterized in that: said upper die body is set with the upper end outward and is resisted against the bloated groove outer shroud ejector sleeve on the elastic device.
5. bimetal coin/badge outer-race manufacturing equipment according to claim 1; It is characterized in that: said punching upper die component contains through mould snare and patrix base and is fixed on the mould circle on the said upper die body seat; The punch die as drift is installed at said mould circle middle part, and said punch die is equipped with outward that the lower end leans against mould circle inner face, the upper end is resisted against the outer shroud ejector sleeve on the spring; Membrane module mainly is made up of the die that is fixed on the counterdie supporter through the die locking nut under the said punching.
6. bimetal coin/badge outer-race manufacturing equipment according to claim 5 is characterized in that: the center of said punch die is fitted with the upper end and is resisted against the inner core knock-pin on the inner spring.
7. bimetal coin/badge outer-race manufacturing equipment according to claim 1 is characterized in that: have the inner core material blanking tube under the said punching under the membrane module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101544048A CN101850389B (en) | 2010-04-23 | 2010-04-23 | Bimetal coin/badge outer-race manufacturing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101544048A CN101850389B (en) | 2010-04-23 | 2010-04-23 | Bimetal coin/badge outer-race manufacturing equipment |
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| Publication Number | Publication Date |
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| CN101850389A CN101850389A (en) | 2010-10-06 |
| CN101850389B true CN101850389B (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101544048A Active CN101850389B (en) | 2010-04-23 | 2010-04-23 | Bimetal coin/badge outer-race manufacturing equipment |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873159B (en) * | 2012-10-24 | 2014-10-22 | 厦门锻压机床有限公司 | Punching production line for punching circular tube type workpiece |
| DE102015119174A1 (en) * | 2015-11-06 | 2017-05-11 | Schuler Pressen Gmbh | Forming device and method for forming an inner edge of a blanket ring |
| CN109513864B (en) * | 2018-12-28 | 2024-02-06 | 同共(湖北)精密成形有限公司 | Processing die, processing device, processing method and product thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2132121A (en) * | 1982-12-15 | 1984-07-04 | Bakony Fem Elektromoskeszulek | Forming metallic tubular connectors |
| EP0160343A2 (en) * | 1984-05-02 | 1985-11-06 | DeltaCogne S.p.A. | Machine for forming outer rings for bimetallic coins or medals, from round metal blanks |
| CN2900009Y (en) * | 2006-04-29 | 2007-05-16 | 中国印钞造币总公司 | Broken slot forming device for coin and its like between external ring hole walls |
-
2010
- 2010-04-23 CN CN2010101544048A patent/CN101850389B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2132121A (en) * | 1982-12-15 | 1984-07-04 | Bakony Fem Elektromoskeszulek | Forming metallic tubular connectors |
| EP0160343A2 (en) * | 1984-05-02 | 1985-11-06 | DeltaCogne S.p.A. | Machine for forming outer rings for bimetallic coins or medals, from round metal blanks |
| CN2900009Y (en) * | 2006-04-29 | 2007-05-16 | 中国印钞造币总公司 | Broken slot forming device for coin and its like between external ring hole walls |
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| CN101850389A (en) | 2010-10-06 |
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Address after: 100044 Beijing city Xicheng District Xizhimen Street No. 143 triumph building Patentee after: China Banknote Printing and Minting Group Co.,Ltd. Address before: 100044 Beijing city Xicheng District Xizhimen Street No. 143 Patentee before: CHINA BANKNOTE PRINTING AND MINTING Corp. |
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