CN102100428B - Strip ring forming machine - Google Patents
Strip ring forming machine Download PDFInfo
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- CN102100428B CN102100428B CN2010102702250A CN201010270225A CN102100428B CN 102100428 B CN102100428 B CN 102100428B CN 2010102702250 A CN2010102702250 A CN 2010102702250A CN 201010270225 A CN201010270225 A CN 201010270225A CN 102100428 B CN102100428 B CN 102100428B
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- drive unit
- frame
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- cavity die
- core
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- 239000000463 material Substances 0.000 claims abstract description 58
- 238000000465 moulding Methods 0.000 claims description 28
- 238000007493 shaping process Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 239000010970 precious metal Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 4
- 230000035611 feeding Effects 0.000 description 30
- 238000005266 casting Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The invention discloses a strip ring forming machine which comprises a frame, a feeding device, a clamping and printing mould and a cutting and forming device, wherein the feeding device comprises a feeding base which is mounted on the frame in a sliding manner along the feeding direction, a feeding clamping mechanism for clamping or loosening a long strip-shaped material is mounted on the feeding base, the feeding base is connected with a first driving device, and the feeding clamping mechanism is connected with a second driving device; the clamping and printing mould is mounted on the frame and positioned at the feeding down stream of the feeding device, and the clamping and printing mould is connected with a third driving device; and the cutting and forming device is used for cutting and forming the long strip-shaped material after the clamping and printing mould is used for printing, and the cutting and forming device is mounted on the frame and positioned at the feeding down stream of the clamping and printing mould. The strip ring forming machine can automatically continuously perform printing, cutting and forming on long strip-shaped precious metal, improve the qualification rate of a strip ring finished product, realize low rework rate and reduce the production cost.
Description
Technical field
The present invention relates to a kind of make-up machine, relate in particular to a kind of ring make-up machine.
Background technology
The precious metal jewellery are the favors that more and more receives consumers in general with the shape of dazzling beautiful profile and Suresh Kumar, and ring is one type of many jewellery of demand on the market, and the pattern of ring is more and more at present; Category becomes increasingly complex; It is that bar is guarded against that but a lot of rings are also arranged, or further processes similar ring again by the bar ring, and bar is guarded against and is meant the ring of being processed by narrow strip precious metal; And also need be printed on printed words on the inner peripheral surface of some rings as sign; And general a lot of ring is to form through grinding tool casting, though can realize lettering and moulding when utilizing casting method, is easy to generate impurity and bubble when casting; Make that the ring substandard products after the moulding are a lot; Yield rate is low, does over again so just to have increased production cost, does not also have to be directed against specially bar in the market and guards against the machinery equipment of carrying out the machine-shaping lettering.
Summary of the invention
Technical problem to be solved by this invention is: a kind of ring make-up machine is provided, and what this ring make-up machine can be continuous automatically carries out lettering, cut-out and moulding to the strip precious metal, improves the qualification rate that bar is guarded against finished product, and rework rate is low, has reduced production cost.
For solving the problems of the technologies described above, technical scheme of the present invention is: bar is guarded against make-up machine, comprising: frame; Pay-off; Said pay-off comprises along feed direction and is slidingly mounted on the feeding base on the said frame; The material feed clamping mechanism that is used to clamp or unclamp the strip material is installed on the said feeding base; Said feeding base comes and goes first drive unit that moves a work step and is connected with driving said feeding base, and said material feed clamping mechanism upstream unclamps said material during return with controlling that said material feed clamping mechanism clamps said strip material when the feeding downstream second drive unit is connected; Clamp the lettering mould; Said clamping lettering mould is installed on the said frame and is positioned at the feeding downstream of said pay-off, and said clamping lettering mould unclamps said material with the said clamping lettering mould of control in a feeding course of action and the 3rd drive unit that when feeding action is accomplished, clamps lettering is connected; Be used for behind said clamping lettering press back word to said strip material cut off, the cut-out shaped device of moulding, said cut-out shaped device is installed on the said frame and is positioned at the feeding downstream of said clamping lettering mould.
After having adopted technique scheme, effect of the present invention is: owing to adopted said ring make-up machine processing, and therefore; In the incipient stage of work, owing to material is not sent to said clamping lettering mould and cuts off shaped device, therefore said clamping lettering mould is empty action with the cut-out shaped device; During operate as normal, second drive unit drives the said strip material of said material feed clamping grips, and first drive unit drives said feeding base along work step of feed direction feeding; The 3rd drive unit drives material that said clamping lettering die clamp tightly brought by feeding of pay-off action and said material is carried out lettering, and at this moment second drive unit drives said material feed clamping mechanism and unclamps said material, and the feeding base drives return by first drive unit; Simultaneously said cut-out shaped device moves to last one that material that lettering is good cuts off and the moulding slivering is guarded against; After the moulding, said cut-out shaped device resets, and said clamping lettering mould unclamps material; And repeat above-mentioned action; What this ring make-up machine can be continuous automatically like this carries out lettering, cut-out and moulding to the strip precious metal, has substituted the method for casting fully, improves the qualification rate that bar is guarded against finished product; Rework rate is low, has reduced production cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the front schematic view of the embodiment of the invention;
Fig. 2 is the schematic top plan view of the embodiment of the invention;
Fig. 3 is the structure cutaway view of the core of the embodiment of the invention;
1. frame; 2. pay-off; 21. feeding base; 22. material feed clamping mechanism; 221. fix to clamp piece; 222. movable clamp; 23. first drive unit; 231. pinion and rack; 232. crank and rocker mechanism; 24. second drive unit; 241. first cylinder; 242. first contact-making switch; 243. first cam; 3. clamp the lettering mould; 31. cover half part; 32. dynamic model part; 33. the 3rd drive unit; 4. cut-out shaped device; 41. core; 411. core head; 412. application of force dish; 413. installation shaft; 414. compression spring; 42. upper cavity die; 421. first back-moving spring; 43. lower cavity die; 431. second back-moving spring; 44. moulding arm; 441. link gear; 45. the 6th drive unit; 451. second cylinder; 452. second contact-making switch; 453. second cam; 46. the 5th drive unit; 47. four-drive device; 48. the 7th drive unit; 491. upper cutter; 492. lower cutter; 5. driving shaft.
The specific embodiment
A kind of ring make-up machine, like Fig. 1, Fig. 2 and shown in Figure 3, it comprises: frame 1; Pay-off 2; Said pay-off 2 comprises along feed direction and is slidingly mounted on the feeding base 21 on the said frame 1; The material feed clamping mechanism 22 that is used to clamp or unclamp the strip material is installed on the said feeding base 21; Said feeding base 21 comes and goes first drive units 23 that move work steps and is connected with driving said feeding base 21, and said material feed clamping mechanism 22 upstream unclamps said material during return with controlling that said material feed clamping mechanism 22 clamps said strip material when the feeding downstream second drive unit 24 is connected; Clamp lettering mould 3; Said clamping lettering mould 3 is installed on the said frame 1 and is positioned at the feeding downstream of said pay-off 2, and said clamping lettering mould 3 unclamps said material with the said clamping lettering mould 3 of control in a feeding course of action and the 3rd drive unit 33 that when feeding action is accomplished, clamps lettering is connected; Be used for behind said clamping lettering mould 3 letterings to said strip material cut off, the cut-out shaped device 4 of moulding, said cut-out shaped device 4 is installed on the said frame 1 and is positioned at the feeding downstream of said clamping lettering mould 3.
Said material feed clamping mechanism 22 comprises is fixed in fixing to clamp piece 221 and vertically being slidingly mounted on the said movable clamp 222 that fixes to clamp on the piece 221 on the said feeding base 21, and said movable clamp 222 is connected with said second drive unit 24.Said second drive unit 24 comprises first cylinder 241 that is connected with movable clamp 222 and first contact-making switch 242 of controlling 241 work of said first cylinder; Be rotatablely equipped with the driving shaft 5 that rotates by motor-driven on the said frame 1, first cam 243 that cooperates with said first contact-making switch 242 is installed on the said driving shaft 5.
Said first drive unit 23 comprises: pinion and rack 231, the gear of said pinion and rack 231 are fan-shaped, and the tooth bar of said pinion and rack 231 is fixed on the said feeding base 21; The crank and rocker mechanism 232 of the gearing of pinion and rack 231 shown in being used to drive, said crank and rocker mechanism 232 is connected with the gear of said pinion and rack 231.
Said clamping lettering mould 3 comprises: cover half part 31, and said cover half part 31 comprises the cover half seat that is fixed on the said frame 1, said cover half seat is provided with hopper; Dynamic model part 32; Said dynamic model part 32 comprises that vertical Elastic Sliding is installed on the dynamic model seat on the said cover half seat; Said dynamic model seat is positioned at the below of said cover half seat, and said dynamic model seat is provided with the type matrix that is used for lettering, and said dynamic model seat is connected with said the 3rd drive unit 33.Said the 3rd drive unit 33 comprises first cam, 243 leverages, and the lever of said first cam, 243 leverages contacts the bottom at said dynamic model seat.
Described cut-out shaped device 4 comprises: slide through the columniform core 41 of said frame 1, said core 41 with control after the material final molding, the bounce back four-drive device 47 of blanking of said core 41 and be connected; Vertically be slidingly mounted on the upper cavity die 42 on the said frame 1; Said upper cavity die 42 is positioned at the top of said core 41 and is provided with the upper surface that cooperates with said core 41; The bottom of said upper cavity die 42 is fixed with the upper cutter 491 that is used to cut off material; Be fixed with the lower cutter 492 that cooperates with said upper cutter 491 on the said cover half seat; Be provided with first back-moving spring 421 between said upper cavity die 42 and the said frame 1, said upper cavity die 42 presses to said core 41 with the said upper cavity die 42 of driving is connected the 5th drive unit 46 of material cut-out and pre-profiling; Be used for the material after to upper cavity die 42 pre-profiling and press from both sides two moulding arms 44 holding together from core 41 both sides; Said two moulding arms 44 are articulated on the said frame 1 and are positioned at the both sides of said core 41; Be provided with link gear 441 between said two moulding arms 44, said one of them moulding arm 44 presss from both sides the 6th drive unit 45 that holds together material with the said moulding arm 44 of driving and is connected after said upper cavity die 42 presses down pre-profiling; Vertically be slidingly mounted on the lower cavity die 43 on the said frame 1; Said lower cavity die 43 is positioned at the below of said core 41 and is provided with the concave surface that cooperates with said core 41; Be provided with second back-moving spring 431 between said lower cavity die 43 and the said frame 1, said lower cavity die 43 with drive said lower cavity die 43 and press the 7th drive unit 48 that forms final bar ring to be connected on after said moulding arm 44 folders hold together, upwards sliding material.
Said core 41 comprises: installation shaft 413, and said installation shaft 413 1 ends are provided with axially extended installing blind; Be slidingly mounted on the core head 411 of said installing blind, be fixed with application of force dish 412 on the said core head 411, be provided with compression spring 414 between said core head 411 and the said installation shaft 413; Said four-drive device 47 comprises second cam, 453 leverages, and the lever of said second cam, 453 leverages contacts on said application of force dish 412.Said the 5th drive unit 46 comprises first shaping cam that is installed on the said driving shaft 5, and said first shaping cam leans above said upper cavity die 42; Said the 6th drive unit 45 comprises second contact-making switch 452 of said second cylinder of second cylinder 451 and control 451 work, is fixed with second cam 453 that cooperates with said second contact-making switch 452 on the said driving shaft 5.Described the 7th drive unit 48 comprises second shaping cam; Said frame 1 is provided with driven shaft; Between said driven shaft and the said driving shaft 5 through chain drive; Said second shaping cam is fixed on the said driven shaft and contacts the bottom at said lower cavity die 43; The cam of the cam of said first cam, 243 leverages and second cam, 453 leverages is fixed on one along in the rotating shaft of feed direction layout, realizes transmission through the intermeshing bevel gear set of a cover between said rotating shaft and the said driven shaft.
Operation principle of the present invention is: in the incipient stage of work, owing to material is not sent to said clamping lettering mould 3 and cuts off shaped device 4, therefore said clamping lettering mould 3 is empty action with cut-out shaped device 4; During operate as normal; Said driving shaft 5 is controlled the said materials of the said movable clamp 222 slip clamping downwards of first cylinder, 241 drivings by the motor-driven rotation thereby first cam 243 on the driving shaft 5 contacts with first contact-making switch 242, and crank and rocker mechanism 232 drives the gearing of said pinion and rack 231; Thereby driving tooth bar moves along feed direction; Thereby realize driving said feeding base 21 slip feedings, in the feeding course of action, said clamping lettering mould 3 is to be in releasing orientation; When the feeding action is accomplished; Thereby said the 3rd drive unit 33 just first cam, 243 leverages drives said dynamic model seat and upwards slides material is carried out lettering and clamps a period of time, and at this moment, the tooth bar that said crank and rocker mechanism 232 drives said pinion and rack 231 resets along feeding in the other direction; The 5th drive unit 46 just the said upper cavity die of the roof pressure of first shaping cam 42 to lower slider; Said upper cutter 491 and lower cutter 492 will be gone up one together and move the material that lettering accomplishes and cut off, and upper surface compresses 411 pairs of said materials of said core head and carries out pre-profiling simultaneously, and the material after the pre-profiling becomes U-shaped; Thereby contacting with second contact-making switch 452, said afterwards second cam 453 controls 44 rotations of moulding arm of second cylinder, 451 drivings; Interlock effect through link gear 441 makes two moulding arms 44 press from both sides to the material of U-shaped simultaneously from core 41 both sides, thereby makes the more approaching circle of the material of U-shaped, and said then the 7th drive unit 48 just second shaping cam heads on the upwards slip of said lower cavity die 43; Thereby concave surface heads on said ring; It is become with core 41 similar finished product bars guard against, said then upper cavity die 42 upwards resets under the pulling of first back-moving spring 421, and lower cavity die 43 resets downwards under the pulling of second back-moving spring 431; Second cylinder 451 drives said moulding arm 44 and resets; Four-drive device 47 just second cam, 453 leverages drives said core head 411 axial retraction and makes final finished product bar guard against blanking, and what this ring make-up machine can be continuous automatically like this carries out lettering, cut-out and moulding to the strip precious metal, improves the qualification rate of bar ring finished product; Rework rate is low, has reduced production cost.
Claims (10)
1. bar is guarded against make-up machine, it is characterized in that: comprise
Frame;
Pay-off; Said pay-off comprises along feed direction and is slidingly mounted on the feeding base on the said frame; The material feed clamping mechanism that is used to clamp or unclamp the strip material is installed on the said feeding base; Said feeding base comes and goes first drive unit that moves a work step and is connected with driving said feeding base, and said material feed clamping mechanism upstream unclamps said material during return with controlling that said material feed clamping mechanism clamps said strip material when the feeding downstream second drive unit is connected;
Clamp the lettering mould; Said clamping lettering mould is installed on the said frame and is positioned at the feeding downstream of said pay-off, and said clamping lettering mould unclamps said material with the said clamping lettering mould of control in a feeding course of action and the 3rd drive unit that when feeding action is accomplished, clamps lettering is connected;
Be used for behind said clamping lettering press back word to said strip material cut off, the cut-out shaped device of moulding, said cut-out shaped device is installed on the said frame and is positioned at the feeding downstream of said clamping lettering mould.
2. as claimed in claim 1 ring make-up machine; It is characterized in that: said material feed clamping mechanism comprises is fixed in fixing to clamp piece and vertically being slidingly mounted on the said movable clamp that fixes to clamp on the piece on the said feeding base, and said movable clamp is connected with said second drive unit.
3. as claimed in claim 2 ring make-up machine is characterized in that: said first drive unit comprises
Pinion and rack, the gear of said pinion and rack are fan-shaped, and the tooth bar of said pinion and rack is fixed on the said feeding base;
The crank and rocker mechanism of the gearing of pinion and rack shown in being used to drive, said crank and rocker mechanism is connected with the gear of said pinion and rack.
4. as claimed in claim 3 ring make-up machine; It is characterized in that: said second drive unit comprises first cylinder that is connected with movable clamp and first contact-making switch of controlling said first cylinder operation; Be rotatablely equipped with the driving shaft that rotates by motor-driven on the said frame, first cam that cooperates with said first contact-making switch is installed on the said driving shaft.
5. as claimed in claim 4 ring make-up machine is characterized in that: said clamping lettering mould comprises
Cover half part, said cover half partly comprise the cover half seat that is fixed on the said frame, and said cover half seat is provided with hopper;
The dynamic model part; Said dynamic model comprises that partly vertical Elastic Sliding is installed on the dynamic model seat on the said cover half seat; Said dynamic model seat is positioned at the below of said cover half seat, and said dynamic model seat is provided with the type matrix that is used for lettering, and said dynamic model seat is connected with said the 3rd drive unit.
6. as claimed in claim 5 ring make-up machine is characterized in that: said the 3rd drive unit comprises first cam-and-, and the lever of said first cam-and-contacts the bottom at said dynamic model seat.
7. as claimed in claim 6 ring make-up machine is characterized in that: described cut-out shaped device comprises
Slip is through the columniform core of said frame, and after the material final molding, the bounce back four-drive device of blanking of said core and the said core of control is connected;
Vertically be slidingly mounted on the upper cavity die on the said frame; Said upper cavity die is positioned at the top of said core and is provided with the upper surface that cooperates with said core; The bottom of said upper cavity die is fixed with the upper cutter that is used to cut off material; Be fixed with the lower cutter that cooperates with said upper cutter on the said cover half seat, be provided with first back-moving spring between said upper cavity die and the said frame, said upper cavity die presses to said core with the said upper cavity die of driving is connected the 5th drive unit of material cut-out and pre-profiling;
Be used for the material after to the upper cavity die pre-profiling and press from both sides two moulding arms holding together from the core both sides; Said two moulding arms are articulated on the said frame and are positioned at the both sides of said core; Be provided with link gear between said two moulding arms, said one of them moulding arm presss from both sides the 6th drive unit that holds together material with the said moulding arm of driving and is connected after said upper cavity die presses down pre-profiling;
Vertically be slidingly mounted on the lower cavity die on the said frame; Said lower cavity die is positioned at the below of said core and is provided with the concave surface that cooperates with said core; Be provided with second back-moving spring between said lower cavity die and the said frame, said lower cavity die with drive said lower cavity die and press the 7th drive unit that forms final bar ring to be connected on said moulding arm presss from both sides after, upwards sliding to material.
8. as claimed in claim 7 ring make-up machine, it is characterized in that: said core comprises
Installation shaft, said installation shaft one end is provided with axially extended installing blind;
Be slidingly mounted on the core head of said installing blind, be fixed with application of force dish on the said core head, be provided with the compression spring between said core head and the said installation shaft;
Said four-drive device comprises second cam-and-, and the lever of said second cam-and-contacts on said application of force dish.
9. as claimed in claim 8 ring make-up machine is characterized in that: said the 5th drive unit comprises first shaping cam that is installed on the said driving shaft, and said first shaping cam leans above said upper cavity die;
Said the 6th drive unit comprises second contact-making switch of second cylinder and said second cylinder operation of control, is fixed with second cam that cooperates with said second contact-making switch on the said driving shaft.
10. as claimed in claim 9 ring make-up machine; It is characterized in that: described the 7th drive unit comprises second shaping cam; Said frame is provided with driven shaft; Through chain drive, said second shaping cam is fixed on the said driven shaft and contacts the bottom at said lower cavity die between said driven shaft and the said driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102702250A CN102100428B (en) | 2010-08-30 | 2010-08-30 | Strip ring forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102702250A CN102100428B (en) | 2010-08-30 | 2010-08-30 | Strip ring forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102100428A CN102100428A (en) | 2011-06-22 |
| CN102100428B true CN102100428B (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102702250A Active CN102100428B (en) | 2010-08-30 | 2010-08-30 | Strip ring forming machine |
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| Country | Link |
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| CN (1) | CN102100428B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102417055B (en) * | 2011-11-18 | 2013-11-13 | 葛莎 | Photoelectric control automatic sorting, managing and filling production line for strip materials |
| CN103512788B (en) * | 2013-10-29 | 2015-09-16 | 山东省产品质量检验研究院 | A kind of device and using method making oxygen index sample of fireproof thermal insulation material |
| CN106723734B (en) * | 2016-12-26 | 2018-06-15 | 广州全日泰珠宝首饰有限公司 | A kind of pendant bitch chain processing integrated machine |
| CN109043757B (en) * | 2018-06-08 | 2024-05-28 | 老凤祥东莞珠宝首饰有限公司 | Gold oil pressure reverse mould pendant ring overspeed mark shaping machine |
| CN109277495B (en) * | 2018-11-23 | 2023-09-19 | 山东梦金园珠宝首饰有限公司 | Bracelet is detained shaping and is tailor all-in-one |
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| JP2008307273A (en) * | 2007-06-15 | 2008-12-25 | Namiki Seisakusho:Kk | Accessory chain clasp manufacturing method |
| CN201171409Y (en) * | 2008-01-28 | 2008-12-31 | 潘海泉 | Jewelry with individuation |
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2010
- 2010-08-30 CN CN2010102702250A patent/CN102100428B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4730961A (en) * | 1984-12-18 | 1988-03-15 | Marisa Cassan | Edging machine preferably for chains |
| CN2334517Y (en) * | 1998-03-06 | 1999-08-25 | 魏镒彬 | Machine for shaping connecting piece with full cut type material cutting mechanism |
| CN2504199Y (en) * | 2001-08-10 | 2002-08-07 | 郭向吉 | Bag maekr for plastic braided bag |
| CN2829423Y (en) * | 2005-10-11 | 2006-10-25 | 李明泽 | Full automatic medium heel fitting machine |
| JP2008307273A (en) * | 2007-06-15 | 2008-12-25 | Namiki Seisakusho:Kk | Accessory chain clasp manufacturing method |
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| Publication number | Publication date |
|---|---|
| CN102100428A (en) | 2011-06-22 |
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Denomination of invention: Ring forming machine Effective date of registration: 20210322 Granted publication date: 20121107 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG MOKINGRAN JEWELRY Co.,Ltd. Registration number: Y2021980001910 |
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Denomination of invention: Ring forming machine Effective date of registration: 20220328 Granted publication date: 20121107 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG MOKINGRAN JEWELRY Co.,Ltd. Registration number: Y2022980003201 |
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Denomination of invention: Band forming machine Effective date of registration: 20230321 Granted publication date: 20121107 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG MOKINGRAN JEWELRY Co.,Ltd. Registration number: Y2023980035435 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20121107 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG MOKINGRAN JEWELRY Co.,Ltd. Registration number: Y2023980035435 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Band forming machine Granted publication date: 20121107 Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd. Pledgor: SHANDONG MOKINGRAN JEWELRY Co.,Ltd. Registration number: Y2024980007766 |
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