CN106333435B - 999.999 ‰ ring class precious metal jewelry outer surface processing equipment of purity - Google Patents

999.999 ‰ ring class precious metal jewelry outer surface processing equipment of purity Download PDF

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Publication number
CN106333435B
CN106333435B CN201611067617.0A CN201611067617A CN106333435B CN 106333435 B CN106333435 B CN 106333435B CN 201611067617 A CN201611067617 A CN 201611067617A CN 106333435 B CN106333435 B CN 106333435B
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CN
China
Prior art keywords
precious metal
pedestal
processing equipment
metal jewelry
ring class
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201611067617.0A
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Chinese (zh)
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CN106333435A (en
Inventor
王忠善
刘兴龙
吴明意
亓良存
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG MENGJINYUAN JEWELRY CO Ltd
Original Assignee
SHANDONG MENGJINYUAN JEWELRY CO Ltd
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Priority to CN201611067617.0A priority Critical patent/CN106333435B/en
Publication of CN106333435A publication Critical patent/CN106333435A/en
Application granted granted Critical
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    • AHUMAN NECESSITIES
    • A44HABERDASHERY; JEWELLERY
    • A44CPERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C27/00Making jewellery or other personal adornments

Abstract

The invention belongs to 999.999 ‰ ring class precious metal jewelry outer surface processing equipments of precious metal jewelry Surface-micromachining process field more particularly to a kind of purity, including pedestal, the piece-holder positioning device on pedestal and cutter holder;Piece-holder positioning device includes the workbench being arranged above pedestal, installation on the table by motor-driven active roller station, it is respectively equipped with driven pressure roller structure in the both sides of active roller station, driven pressure roller structure includes the mounting portion being fixedly connected with workbench, the pinch roller with the hinged installing arm of mounting portion and installing arm rotation connection, and elastic tensioning part is connected between the installing arm of two driven pressure roller structures.Solve the problems, such as processing flow through Cheng Zhonghuan metalloid ornaments circular arc deform cause surface treatment difficulty can not be processed with traditional equipment greatly.

Description

999.999 ‰ ring class precious metal jewelry outer surface processing equipment of purity
Technical field
The invention belongs to precious metal jewelry Surface-micromachining process field more particularly to a kind of 999.999 ‰ ring class of purity are expensive Metal decoration outer surface processing equipment.
Background technology
Ring metalloid ornaments are typically to be process by precious metal materials such as Au Ag Pt Pds, common are bracelet, finger ring Deng needing in the technological operations such as surface carries out wire drawing, nail sand, vehicle are spent.Since metal hardness itself is relatively low, journey is flowed through in processing Middle circular arc can deform, and when surface treatment takes traditional detent mechanism clamping product, and the surface of product shows irregular State causes surface treatment procedure difficulty of processing very big, can not be processed using traditional equipment, therefore is badly in need of a kind of energy of research and development and adds The equipment of this kind of ornaments of work.
Invention content
The purpose of the present invention is to provide a kind of ring class precious metal jewelry outer surface processing equipments, it is intended to solve processing circulation The circular arc of process middle ring metalloid ornaments, which deforms, causes asking of can not being processed with traditional equipment greatly of surface treatment difficulty Topic.
The invention is realized in this way a kind of ring class precious metal jewelry outer surface processing equipment, the ring class noble metal decorations Product outer surface processing equipment includes pedestal, the piece-holder positioning device on the pedestal and cutter holder; The piece-holder positioning device includes that the workbench above the pedestal is arranged, is driven by motor on the workbench Dynamic active roller station is respectively equipped with driven pressure roller structure in the both sides of the active roller station, the driven pressure roller structure include with The pressure of mounting portion and the hinged installing arm of the mounting portion and installing arm rotation connection that the workbench is fixedly connected Wheel, elastic tensioning part is connected between the installing arm of the two driven pressure roller structures.
As an improvement the installing arm is in bending, bending place is hinged with the mounting portion, the installing arm tool There are upper and lower end, the pinch roller to be arranged in the upper end of the installing arm.
As an improvement loading and unloading briquetting is additionally provided with below the lower end of two installing arms, above and below described Connecting rod is fixedly connected on material briquetting, the middle section of the connecting rod is hinged with the workbench.
As an improvement the pinch roller includes compliant wheel, is separately positioned on the compliant wheel both sides and coaxially sets The rigid wheel set, the outer diameter of the compliant wheel are more than the outer diameter of the rigid wheel.
As an improvement be equipped with fixed seat on the pedestal, the lower end of the fixed seat and the workbench it Between be equipped with the first horizontally extending sliding-rail sliding component, translation motor is additionally provided on the pedestal, in the translation Feed screw nut component is connected between the output shaft of motor and the workbench.
As an improvement the workbench is the first crosshead shoe structure, including the cross set gradually from top to bottom Sliding block A, crosshead shoe B and crosshead shoe C, the driving motor of the active roller station, the driven pressure roller structure are arranged in institute It states on crosshead shoe A.
As an improvement the cutter holder includes the mounting bracket being mounted on the pedestal, is arranged in institute The slide unit in mounting bracket is stated, the second sliding-rail sliding group being vertically arranged is equipped between the mounting bracket and the slide unit Part;The lifting motor being fixedly connected with the mounting bracket is arranged between the output shaft and the slide unit of the lifting motor There is feed screw nut component;It is equipped on slide unit and consolidates by motor-driven rotary shaft, in the rotary shaft with what it was rotatablely connected Surely it is connected with cutter plate driver motor, cutterhead is installed on the output shaft of the cutter plate driver motor, the cutterhead is located at described The top of active roller station.
As an improvement being equipped with the second crosshead shoe structure between the lower end of the mounting bracket and the pedestal.
As an improvement being connected with rotating seat, the rotation between the cutter plate driver motor and the rotary shaft Seat is third crosshead shoe structure.
By adopting the above-described technical solution, the present invention ring class precious metal jewelry outer surface processing equipment include pedestal, Piece-holder positioning device on pedestal and cutter holder;Piece-holder positioning device includes being arranged in pedestal The workbench of top is installed on the table by motor-driven active roller station, is respectively equipped in the both sides of active roller station driven Pressure roller structure, driven pressure roller structure include the mounting portion being fixedly connected with workbench and the hinged installing arm of mounting portion and installation The pinch roller of arm rotation connection, elastic tensioning part is connected between the installing arm of two driven pressure roller structures.When converted products, need It is sleeved on active roller station, so that the pinch roller of driven pressure roller structure is opened to both sides under the effect of external force, then by product set On active roller station, external force is removed, under the pulling force effect of elastic tensioning part, pinch roller is tightly pressed on the outer surface of product, By product clamping position, active roller station drives product rotation, at this time can be to the product appearance of the part between two pinch rollers Face is processed, since the relative position of active roller station remains unchanged and product follows active roller station to rotate together, nothing Circular arc by product is standard round shape or elliptical shape, the outer surface to be processed of part and processing between two pinch rollers Cutter the distance between remain unchanged, solve processing and flow through the circular arcs of Cheng Zhonghuan metalloid ornaments and deform and cause table The problem of surface treatment difficulty can not be processed greatly with traditional equipment, and production efficiency can be improved.
Description of the drawings
Fig. 1 is the main structure diagram of ring class precious metal jewelry outer surface provided in an embodiment of the present invention processing equipment;
Fig. 2 is the overlooking structure diagram of ring class precious metal jewelry outer surface provided in an embodiment of the present invention processing equipment;
Fig. 3 is the enlarged structure schematic diagram at A in Fig. 2;
Fig. 4 is the machining state schematic diagram of ring class precious metal jewelry outer surface provided in an embodiment of the present invention processing equipment;
Wherein, the 11, first crosshead shoe structure, 111, crosshead shoe A, 112, crosshead shoe B, 113, crosshead shoe C, 12, active roller station driving motor, 13, active roller station, 14, driven pressure roller structure, 141, mounting portion, 142, installing arm, 143, pressure Wheel, 15, elastic tensioning part, 16, supporting rack, 17, fixed seat, the 18, first sliding-rail sliding component, 19, translation motor, 20, up and down Expect briquetting, 21, mounting bracket, 22, slide unit, the 23, second sliding-rail sliding component, 24, rotary shaft driving motor, 25, rotary shaft, 26, synchronous belt, 27, lifting motor, 28, cutter plate driver motor, 29, cutterhead, the 30, second crosshead shoe structure, 301, cross slides Block A, 302, crosshead shoe B, 303, crosshead shoe C, 31, third crosshead shoe structure, 311, crosshead shoe A, 312, cross slides Block B, 313, crosshead shoe C, 32, pedestal, 33, product.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Fig. 1 to Fig. 4 is that the front view structure of ring class precious metal jewelry outer surface provided in an embodiment of the present invention processing equipment is shown It is intended to, wherein Fig. 1 shows that the front view structure of ring class precious metal jewelry outer surface provided in an embodiment of the present invention processing equipment is shown It is intended to, Fig. 2 shows the overlooking structure diagram of ring class precious metal jewelry outer surface provided in an embodiment of the present invention processing equipment, Fig. 3 shows that the enlarged structure schematic diagram at A in Fig. 2, Fig. 4 are shown outside ring class precious metal jewelry provided in an embodiment of the present invention The machining state schematic diagram of surface processing equipment.
By Fig. 1, Fig. 2, Fig. 3 it is found that the ring class precious metal jewelry outer surface processing equipment includes pedestal 32, is mounted on pedestal Piece-holder positioning device on 32 and cutter holder.The piece-holder positioning device includes being arranged above pedestal 32 Workbench, installation active roller station driving motor 12 on the table, in active roller station driving motor 12 and active roller station 13 It is sequentially connected, is respectively equipped with driven pressure roller structure 14 in the both sides of active roller station 13, which includes and work The pinch roller that the mounting portion 141 and the hinged installing arm 142 of mounting portion 141 and installing arm 142 that platform is fixedly connected are rotatablely connected 143, be connected with elastic tensioning part 15 between the installing arm 142 of two driven pressure roller structures 14, the elastic tensioning part 15 and two from The pinch roller 143 of dynamic pressure wheel construction 14 is located at the homonymy of the output shaft of active roller station driving motor 12, and elastic tensioning part 15 usually selects With spring, the structures such as the elastic band made of elastic material can be also selected as needed certainly;Workbench is the first crosshead shoe Structure 11, including the crosshead shoe A111, crosshead shoe B112 and the crosshead shoe C113 that set gradually from top to bottom, actively Support roller driving motor 12, driven pressure roller structure 14 are mounted on crosshead shoe A111, in the lower section of crosshead shoe C113 and pedestal Supporting rack 16 is provided between 32, the upper end of the supporting rack 16 is fixedly connected with crosshead shoe C113, the corresponding branch on pedestal 32 It is equipped with fixed seat 17 at the lower end of support 16, is connected between fixed seat 17 and the lower end of supporting rack 16 horizontally extending The first sliding-rail sliding component 18, translation motor 19 is additionally provided on pedestal 32, in the output shaft and workbench of translation motor 19 Between be connected with feed screw nut component between (specifically supporting rack 16), specifically, fixed seat 17 is equipped at intervals with two, A first sliding-rail sliding component 18, translation electricity are respectively equipped between each fixed seat 17 and the lower end of corresponding supporting rack 16 On axis between two fixed seats 17, the leading screw of feed screw nut component is fixed with the output shaft of translation motor 19 to be connected machine 19 It connects, the nut of feed screw nut component is fixedly connected with the lower end of supporting rack 16.
In conjunction with Fig. 4 it is found that when converted products 33, need product 33 being sleeved on active roller station 13, under the effect of external force So that the pinch roller 143 of driven pressure roller structure 14 is opened to both sides, then product 33 is sleeved on active roller station 13, then removes outer Power, under the pulling force effect of elastic tensioning part 15, pinch roller 143 is tightly pressed on the outer surface of product 33, and product 33 is clamped Positioning starts active roller station driving motor 12 and drives product 33 to rotate by active roller station 13, at this time can be to being in two pinch rollers Product external surfaces part between 143 is processed, due to the relative position of active roller station 13 remain unchanged and also product 33 with It is rotated together with active roller station 13, therefore no matter the circular arc of product 33 is standard round shape or elliptical shape, is in two pinch rollers Between 143 the outer surface to be processed of part and process tool the distance between remain unchanged, solve processing and flow through in journey The circular arc of ring metalloid ornaments, which deforms, causes to be surface-treated the problem of difficulty can not be processed greatly with traditional equipment, and Production efficiency can be improved.
In the present embodiment, installing arm 142 is in bending, and bending place is hinged with mounting portion 141, and installing arm 142 has Upper and lower end, upper end are arranged close to the setting of the top of active roller station 13, lower end close to the lower part of active roller station 13, Pinch roller 142 is arranged in the upper end of installing arm 142;It is additionally provided with loading and unloading briquetting 20 below the lower end of two installing arms 142, It is fixedly connected with connecting rod on loading and unloading briquetting 20, the middle section of the connecting rod is hinged with workbench, specifically and cross Sliding block A111 is hinged, and when loading and unloading, the artificial end for pressing connecting rod makes the loading and unloading briquetting 20 positioned at the hinged place other side lift pair The lower end of installing arm 142 squeezes, and the upper end of such two installing arm 142 can move in the opposite direction, that is, far from main The direction movement of dynamic support roller 13, it may be convenient to which product is placed on active roller station 13.
In the present embodiment, pinch roller 143 includes compliant wheel, is separately positioned on compliant wheel both sides and is coaxially arranged rigid Property wheel, the outer diameter of compliant wheel is more than the outer diameter of rigid wheel, in this way convenient for the placement and rotation of product 33.Certainly, pinch roller 143 is also It is arranged to include rigid ring body, annular groove is equipped on the peripheral surface of rigid ring body, flexible collar is installed on annular groove.
Cutter holder includes the mounting bracket 21 being arranged on pedestal 32, the slide unit in 21 side of mounting bracket is arranged 22;The second sliding-rail sliding component 23 being vertically arranged, mounting bracket 21 and cunning are equipped between mounting bracket 21 and slide unit 22 Rail is fixedly connected, and the one side of slide unit 22 is fixedly connected with a slide block respectively, the lifting motor 27 being fixedly connected with mounting bracket 21, Feed screw nut component, output shaft and the leading screw spiral shell of lifting motor 27 are provided between the output shaft and slide unit 22 of lifting motor 27 The lead screw of female component is fixedly connected, and slide unit 22 is fixedly connected with the nut of feed screw nut component;On the another side of slide unit 22 The rotary shaft driving motor 24 being sequentially connected equipped with the rotary shaft 25 being rotatablely connected with it, with rotary shaft 25;It is solid with rotary shaft 25 Surely the cutter plate driver motor 28 connected, is equipped with cutterhead 29 on the output shaft of cutter plate driver motor 28, and cutterhead 29 is located at actively The top of support roller 13.
When converted products 33, slide unit 22, rotary shaft 25, cutter plate driver motor 28 and cutterhead are driven by lifting motor 27 29 liftings, are adjusted process tool and product external surfaces, can be needed according to processing into accommodating adjusting;It is driven by rotary shaft The output shaft rotation of motor 24 drives rotary shaft 25 to rotate, can be to product to drive cutter plate driver motor 28, cutterhead 29 to rotate 33 arc-shaped outer surface is processed.
In the present embodiment, the second crosshead shoe structure 30 is equipped between the lower end of mounting bracket 21 and pedestal 32, the Two crosshead shoe structures 30 include crosshead shoe A301, crosshead shoe B302 and the crosshead shoe set gradually from top to bottom The lower end of C303, mounting bracket 21 are fixedly connected with crosshead shoe A301, and pedestal 32 is fixedly connected with crosshead shoe C303.It is revolving Rotating seat is equipped between shaft 25 and cutter plate driver motor 28, which is third crosshead shoe structure 31, the third cross Slide block structure 31 includes the crosshead shoe A311 being fixedly connected with rotary shaft 25, the crosshead shoe being connect with cutter plate driver motor 28 Crosshead shoe B312 between C313 and setting crosshead shoe A311 and crosshead shoe C313 pacifies in installation convenient for adjusting Dress.Certainly, cutter plate driver motor 28 can also be directly fixedly connected with the second end of rotary shaft 25, can mitigate weight in this way, Reduce production cost.
In the present embodiment, it is separately installed with synchronization in rotary shaft 25, on the output shaft of rotary shaft driving motor 24 Belt wheel is equipped with synchronous belt 26 between two synchronous pulleys.
The ring class precious metal jewelry outer surface processing equipment of the present invention includes that pedestal, piece-holder on pedestal are fixed Position device and cutter holder;Piece-holder positioning device includes the workbench being arranged above pedestal, is mounted on work By motor-driven active roller station on platform, driven pressure roller structure, driven pressure roller structure packet are respectively equipped in the both sides of active roller station Include the mounting portion being fixedly connected with workbench, with the hinged installing arm of mounting portion, with installing arm rotation connection pinch roller, two from Elastic tensioning part is connected between the installing arm of dynamic pressure wheel construction.When converted products, need to be sleeved on active roller station, outside So that the pinch roller of driven pressure roller structure is opened to both sides under the action of power, then product is sleeved on active roller station, removes external force, Under the pulling force effect of elastic tensioning part, pinch roller is tightly pressed on the outer surface of product, by product clamping position, active roller station band Movable property product rotate, and can be processed at this time to the product external surfaces of the part between two pinch rollers, due to active roller station Relative position remains unchanged and product follows active roller station to rotate together, thus no matter the circular arc of product be standard round shape, Or elliptical shape, between two pinch rollers the outer surface to be processed of part and process tool the distance between remain unchanged, Solve processing flow through Cheng Zhonghuan metalloid ornaments circular arc deform cause surface treatment difficulty can not be set with tradition greatly Standby the problem of being processed, and production efficiency can be improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.

Claims (9)

1. a kind of ring class precious metal jewelry outer surface processing equipment, which is characterized in that the ring class precious metal jewelry outer surface It includes pedestal, the piece-holder positioning device on the pedestal and cutter holder to manage equipment;The workpiece clamp It includes that the workbench above the pedestal is arranged, is held in the palm by motor-driven active on the workbench to hold positioning device Wheel, is respectively equipped with driven pressure roller structure, the driven pressure roller structure includes and the workbench in the both sides of the active roller station Mounting portion, the pinch roller with the hinged installing arm of the mounting portion, with installing arm rotation connection being fixedly connected, described in two Elastic tensioning part is connected between the installing arm of driven pressure roller structure.
2. ring class precious metal jewelry outer surface according to claim 1 processing equipment, which is characterized in that the installing arm is in Bending, bending place is hinged with the mounting portion, and there is the installing arm upper and lower end, the pinch roller to be arranged in institute State the upper end of installing arm.
3. ring class precious metal jewelry outer surface according to claim 2 processing equipment, which is characterized in that in two installations It is additionally provided with loading and unloading briquetting below the lower end of arm, connecting rod is fixedly connected on the loading and unloading briquetting, the connecting rod Middle section is hinged with the workbench.
4. ring class precious metal jewelry outer surface according to claim 1 processing equipment, which is characterized in that the pinch roller includes The outer diameter of compliant wheel, the rigid wheel for being separately positioned on the compliant wheel both sides and being coaxially arranged, the compliant wheel is more than institute State the outer diameter of rigid wheel.
5. ring class precious metal jewelry outer surface according to claim 1 processing equipment, which is characterized in that on the pedestal Equipped with fixed seat, the first horizontally extending sliding-rail sliding is equipped between the fixed seat and the lower end of the workbench Component is additionally provided with translation motor on the pedestal, is connected between the output shaft and the workbench of the translation motor Feed screw nut component.
6. ring class precious metal jewelry outer surface according to claim 1 processing equipment, which is characterized in that the workbench is First crosshead shoe structure, including the crosshead shoe A, the crosshead shoe B that set gradually from top to bottom and crosshead shoe C, it is described The driving motor of active roller station, the driven pressure roller structure are arranged on the crosshead shoe A.
7. ring class precious metal jewelry outer surface according to any one of claims 1 to 6 processing equipment, which is characterized in that institute It includes the mounting bracket being mounted on the pedestal, the slide unit being arranged in the mounting bracket to state cutter holder, in institute State the second sliding-rail sliding component for being equipped between mounting bracket and the slide unit and being vertically arranged;It fixes and connects with the mounting bracket The lifting motor connect is provided with feed screw nut component between the output shaft and the slide unit of the lifting motor;On slide unit Equipped with its be rotatablely connected by motor-driven rotary shaft, cutter plate driver motor is fixedly connected in the rotary shaft, Cutterhead is installed, the cutterhead is located at the top of the active roller station on the output shaft of the cutter plate driver motor.
8. ring class precious metal jewelry outer surface according to claim 7 processing equipment, which is characterized in that in installation branch The second crosshead shoe structure is equipped between the lower end of frame and the pedestal.
9. ring class precious metal jewelry outer surface according to claim 7 processing equipment, which is characterized in that driven in the cutterhead Dynamic that rotating seat is connected between motor and the rotary shaft, the rotating seat is third crosshead shoe structure.
CN201611067617.0A 2016-11-24 2016-11-24 999.999 ‰ ring class precious metal jewelry outer surface processing equipment of purity Active CN106333435B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611067617.0A CN106333435B (en) 2016-11-24 2016-11-24 999.999 ‰ ring class precious metal jewelry outer surface processing equipment of purity

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611067617.0A CN106333435B (en) 2016-11-24 2016-11-24 999.999 ‰ ring class precious metal jewelry outer surface processing equipment of purity
PCT/CN2016/107706 WO2018094749A1 (en) 2016-11-24 2016-11-29 Outer surface treatment apparatus for ring-shaped precious metal adornments with purity of 999.999‰

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Publication Number Publication Date
CN106333435A CN106333435A (en) 2017-01-18
CN106333435B true CN106333435B (en) 2018-08-10

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WO (1) WO2018094749A1 (en)

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* Cited by examiner, † Cited by third party
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CN106863070B (en) * 2017-04-10 2019-11-12 东莞市金龙珠宝首饰有限公司 Nailing and sanding machine
CN111528589A (en) * 2020-04-08 2020-08-14 老凤祥东莞珠宝首饰有限公司 Star color spectrum bracelet forming process

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CN2363825Y (en) * 1998-07-23 2000-02-16 云南省曲靖监狱一监区 Ball bush blank and fixture for working same
CN201702645U (en) * 2010-04-30 2011-01-12 山东梦金园珠宝首饰有限公司 Bracelet pricking machine
CN203650004U (en) * 2013-11-28 2014-06-18 无锡市航鹄科技有限公司 High-precision hole milling locating tool
CN104690621A (en) * 2015-01-30 2015-06-10 天津泽明湘胜科技有限公司 Processing system for polishing peripheral surfaces of metal pieces
CN205271440U (en) * 2015-11-25 2016-06-01 重庆帅昌机械制造有限公司 Tight positioner of clamp of ring flange
CN205285305U (en) * 2015-12-30 2016-06-08 广东潮宏基实业股份有限公司 Expensive metal finishing equipment of illusion -colour type
CN205497012U (en) * 2016-04-15 2016-08-24 山东泰开高压开关有限公司 Touch and indicate processing frock
CN206213437U (en) * 2016-11-24 2017-06-06 山东梦金园珠宝首饰有限公司 The ring class precious metal jewelry outer surface processing equipment of purity 999.999 ‰

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Denomination of invention: External surface treatment equipment for ring precious metal ornaments with purity of 999.999

Effective date of registration: 20210322

Granted publication date: 20180810

Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd.

Pledgor: SHANGDONG MOKINGRAN JEWELRY Co.,Ltd.

Registration number: Y2021980001910

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PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220321

Granted publication date: 20180810

Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd.

Pledgor: SHANDONG MOKINGRAN JEWELRY Co.,Ltd.

Registration number: Y2021980001910

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: External surface treatment equipment for ring precious metal jewelry with purity of 999.999

Effective date of registration: 20220328

Granted publication date: 20180810

Pledgee: Changle Shandong rural commercial bank Limited by Share Ltd.

Pledgor: SHANDONG MOKINGRAN JEWELRY Co.,Ltd.

Registration number: Y2022980003201

PE01 Entry into force of the registration of the contract for pledge of patent right