CN202999561U - Ring shaping equipment - Google Patents

Ring shaping equipment Download PDF

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Publication number
CN202999561U
CN202999561U CN 201220733211 CN201220733211U CN202999561U CN 202999561 U CN202999561 U CN 202999561U CN 201220733211 CN201220733211 CN 201220733211 CN 201220733211 U CN201220733211 U CN 201220733211U CN 202999561 U CN202999561 U CN 202999561U
Authority
CN
China
Prior art keywords
ring
roll extrusion
rolling wheel
sliding
bearing
Prior art date
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.)
Withdrawn - After Issue
Application number
CN 201220733211
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Chinese (zh)
Inventor
黄万洲
金宏鹏
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.)
SHENZHEN CUILV JEWELLERY CO Ltd
Original Assignee
SHENZHEN CUILV JEWELLERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHENZHEN CUILV JEWELLERY CO Ltd filed Critical SHENZHEN CUILV JEWELLERY CO Ltd
Priority to CN 201220733211 priority Critical patent/CN202999561U/en
Application granted granted Critical
Publication of CN202999561U publication Critical patent/CN202999561U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses ring shaping equipment. The ring shaping equipment comprises a base and a rolling support and also comprises a ring core shaft, a rolling wheel, horizontal limiting devices and a sliding-feeding device, wherein the rolling support is arranged on the base; the ring core shaft is arranged at the side of the rolling support and is used for being sheathed by a ring; the ring core shaft is in the horizontal direction; the rolling wheel is arranged at one side of the ring core shaft, and is in transmission connection with a motor; the horizontal limiting devices are arranged at the upper side and the lower side of the ring; the sliding-feeding device is used for pushing the rolling wheel; and the rolling wheel is fixed on the sliding-feeding device. The ring shaping equipment disclosed by the utility model has the advantages that the motor is utilized to drive the rolling wheel, and mechanical rolling is carried out on the ring on the ring core shaft, so that the shaping purpose is achieved, the production efficiency of the shaping processing is improved, and the labor intensity of operators is reduced; automatic control of the shaping processing can be realized by an arranged distance measuring device; by the sliding-feeding power mechanism with oil-gas combination, the conventional gas source of a factory can be utilized as a power source, and the shaping and feeding speed can be adjusted by a throttling valve.

Description

The ring shaping device
Technical field
The utility model relates to a kind of product shaping device, more particularly refers to a kind of ring shaping device, is suitable for the shaping processing of bar shaped ring (claim again the circular ring type ring, namely the ring section of ring is identical, is the well-balanced structure of rule).
Background technology
In prior art, the bar shaped ring (claims again the circular ring type ring, the ring section that is ring is identical, be the well-balanced structure of rule) shaping processing, be to utilize the operator that the bar shaped ring is contained on the ladder mandrel, carry out craft and beat, wherein also need to be shifted step by step, not only operator's labour intensity is large, and production efficiency is low, and the size of shaping bar shaped ring out is wayward.Therefore, in order to improve the production efficiency of ring, reduce operator's labour intensity, and can improve the uniformity of ring product, be necessary to develop the ring shaping device.
The utility model content
The purpose of this utility model is to overcome the defective of prior art, and a kind of ring shaping device is provided.
For achieving the above object, the utility model is by the following technical solutions:
The ring shaping device comprises base, and is located at the roll extrusion bearing on base, also comprises: be located at the ring mandrel that is used for being inserted in ring of roll extrusion bearing side, described ring mandrel is horizontal direction; Be located at the rolling wheel of ring mandrel one side, described rolling wheel connects with motor-driven; Be located at the horizontal limit devices of the upper and lower side of ring mandrel; Sliding feed device with being used for promoting rolling wheel is fixed with described rolling wheel on described sliding feed device; Wherein, the rolling wheel pressure contact is in the ring periphery that is sheathed on the ring mandrel, ring and rolling wheel synchronous rotary, and the sectional area of ring diminishes when roll extrusion, and the diameter of ring becomes when roll extrusion greatly, to consist of the shaping campaign of ring.
Its further technical scheme is: also comprise the range unit of being located at ring mandrel opposite side; Described range unit comprise pressure contact in the pinch roller of ring outer surface, be used for the fixedly range finding fork of pinch roller, and pressure contact is in the travel switch of the range finding fork other end, and is located at the preloading spring of the fork other end of finding range; The centre of described range finding fork connects with roll extrusion bearing hinge.
Its further technical scheme is: described horizontal limit devices comprises upper horizontal position-limited wheel, the lower horizontal position-limited wheel of being located at ring mandrel below, the upper horizontal gag lever post that is used for fixing horizontal position-limited wheel, the lower horizontal gag lever post that is used for fixing lower horizontal position-limited wheel, the upper pin that is used for fixing horizontal gag lever post of being located at ring mandrel top, the lower bearing pin that is used for fixing lower horizontal gag lever post, described upper pin and lower bearing pin connect with the roll extrusion bearing is rotary, and the tail end of described upper pin, lower bearing pin respectively is provided with and intermeshingly cogs, lower gear.
Its further technical scheme is: described horizontal gag lever post also is connected with the spacing handle for loading and unloading; Also be provided with limit spring between described horizontal gag lever post and lower horizontal gag lever post.
Its further technical scheme is: described sliding feed device comprises for the fixing slide of rolling wheel, is located at the roll extrusion force piece on slide, and with the slide block of roll extrusion force piece driving coupling, establish on described roll extrusion bearing be used to the sliding chamber of the rectangle that is held into slide; The nearly ring core shaft end in the sliding chamber of described rectangle is provided with pressure contact in the back-moving spring of slide inboard; Described slide block pressure is contacted with the ring far away core shaft end in rectangle sliding chamber.
Its further technical scheme is: the upside that described rectangle is slided the chamber is provided with chute; Described roll extrusion force piece is cylinder, oil cylinder or ball lead screw drive mechanism.
Its further technical scheme is: the ring far away core shaft end in described rectangle sliding chamber is provided with manual adjustment means, described manual adjustment means comprises the manual sliding block of being located at the sliding chamber of rectangle, and the handwheel that contacts with the manual sliding block outside pressure, described handwheel and roll extrusion bearing screw joints, the inboard of described manual sliding block is provided with the pulley that contacts with slide block pressure, and described slide block is provided with the inclined-plane that contacts with pulley pressure; Described slide block down sliding consists of slide towards the axial movement of ring core; The rotation of described handwheel consists of manual sliding block towards the axial movement of ring core.
Its further technical scheme is: described roll extrusion bearing also is connected with for the fixing adjusting bearing of range unit, horizontal limit devices, and described adjusting bearing is fore-and-aft direction with the roll extrusion bearing, left and right directions is adjustable connects.
Its further technical scheme is: the periphery of described rolling wheel is provided with the roll extrusion flower-pattern layer, and described rolling wheel is that belt-type driving coupling or chain driving connect with motor.
Its further technical scheme is: described roll extrusion force piece comprises and the oil cylinder of slide block driving coupling, the oil gas cylinder that connects with oil cylinder hydraulic, and the cylinder that connects with oil gas cylinder air pressure; Be provided with choke valve between described oil cylinder and oil gas cylinder; Described oil gas cylinder comprises the gas cylinder chamber that connects with cylinder air pressure and the hydraulic jack chamber that connects with the oil cylinder oil pressure; Described cylinder connects with the pneumatic supply gas circuit of outside.
The utility model beneficial effect compared with prior art is: the utility model utilizes the rolling wheel of driven by motor, the ring that is set on the ring mandrel is carried out the mechanical type roll extrusion, reach the purpose of shaping, improved the production efficiency of shaping processing, and reduced operator's labour intensity.By the horizontal limit devices that is provided with, the lateral attitude of ring in the shaping process limited, the shaping process of High Rotation Speed can prevent that ring from splitting away off from the ring mandrel simultaneously.By the range unit that is provided with, when the ring shaping reaches the setting size, can trigger the control signal of feed-disabling by the travel switch that is provided with, finish the shaping process of ring, realize the automatic control of shaping processing.By the manual adjustment means that is provided with, can regulate rapidly the position of sliding feed device.By the sliding feed actuating unit that the oil gas that is provided with combines, can utilize the conventional source of the gas of factory to be used as power source, and can regulate the shaping feed speed by choke valve.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Description of drawings
Fig. 1 is the floor map of the utility model ring shaping device specific embodiment;
Figure 1A is the C section partial enlarged drawing of Fig. 1;
Fig. 2 is the reverse view (having omitted most of base and motor) of Fig. 1;
Fig. 3 is the stereogram (having omitted most of base and motor) of Fig. 1;
Fig. 4 is the structural representation of the roll extrusion force piece of another specific embodiment of the utility model ring shaping device.
Description of drawings
A ring B pneumatic supply
10 base 11 roll extrusion bearings
The sliding chamber of 111 rectangles 112 back-moving springs
113 chute 13 motors
14 regulate bearing 20 ring mandrels
30 rolling wheel 40 horizontal limit devices
Horizontal 42 times horizontal position-limited wheels of position-limited wheel on 41
Horizontal gag lever post 431 upper pins on 43
The 432 433 spacing handles that cog
44 times horizontal gag lever post 441 lower bearing pins
442 lower gear 45 limit spring
50 sliding feed device 51 slides
52 roll extrusion force piece 52A roll extrusion force pieces
521 oil cylinder 5221 gas cylinder chambeies
5222 hydraulic jack chamber 5223 pistons
522 oil gas cylinder 523 cylinders
524 choke valve 525 electromagnetic valve of gas circuit
53 slide block 531 inclined-planes
54 manual adjustment means 541 manual sliding blocks
542 handwheel 543 pulleys
60 range unit 61 pinch rollers
62 range finding fork 63 travel switches
64 preloading spring 31 belt pulleys
The specific embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment, the technical solution of the utility model is further introduced and explanation, but be not limited to this.
To embodiment shown in Figure 3, the utility model ring shaping device comprises base 10, and is located at the roll extrusion bearing 11 on base 10, also comprises as Fig. 1:
Be located at the ring mandrel 20 that is used for being inserted in ring A of roll extrusion bearing 11 sides, ring mandrel 20 is horizontal direction;
Be located at the rolling wheel 30 of ring mandrel 20 1 sides, rolling wheel 30 and motor 13 driving coupling;
Be located at the horizontal limit devices 40 of ring mandrel 20, downside;
Sliding feed device 50 with being used for promoting rolling wheel 30 is fixed with described rolling wheel 30 on sliding feed device 50; Wherein, rolling wheel 30 pressure contacts are in the ring A periphery that is sheathed on ring mandrel 20, ring A and rolling wheel 30 synchronous rotaries, and the sectional area of ring A progressively diminishes in rolling process, it is large that the diameter of ring A progressively becomes in rolling process, to consist of the shaping campaign of ring A.
Roll extrusion bearing 11 wherein is connected with for the fixing adjusting bearing 14 of range unit 60, horizontal limit devices 40, regulates that bearing 14 is fore-and-aft direction with roll extrusion bearing 11, left and right directions is adjustable connects.Fore-and-aft direction, left and right directions all can adopt has the slidingtype draw bail that screw is regulated.
Also comprise the range unit 60 of being located at ring mandrel 20 opposite sides; Range unit 60 comprise pressure contact in the pinch roller 61 of ring A outer surface, be used for the fixedly range finding fork 62 of pinch roller 61, and pressure contact is in the travel switch 63 of range finding fork 62 other ends, and is located at the preloading spring 64 of fork 62 other ends of finding range; The centre of range finding fork 62 connects with adjusting bearing 14 hinges.In the shaping process, it is large that its diameter becomes as ring A, promotes pinch roller 61 and move to the left side of Fig. 1, the left side of range finding fork 62 rotates, travel switch 63 Trig control signals are to sliding feed device 50, and rolling wheel 30 feed-disablings are completed the shaping process of a ring.
horizontal limit devices 40 wherein comprises the upper horizontal position-limited wheel 41 of being located at ring mandrel 20 tops, be located at the lower horizontal position-limited wheel 42 of ring mandrel 20 belows, the upper horizontal gag lever post 43 that is used for fixing horizontal position-limited wheel 41, the lower horizontal gag lever post 44 that is used for fixing lower horizontal position-limited wheel 42, the upper pin 431 that is used for fixing horizontal gag lever post 43, the lower bearing pin 441 that is used for fixing lower horizontal gag lever post 44, upper pin 431 and lower bearing pin 441 with regulate that bearing 14 is rotary to be connected, upper pin 431, the tail end of lower bearing pin 441 respectively is provided with and intermeshingly cogs 432, lower gear 442.Upper horizontal gag lever post 43 also is connected with the spacing handle 433 for loading and unloading; Also be provided with limit spring 45 between upper horizontal gag lever post 43 and lower horizontal gag lever post 44.Upper horizontal position-limited wheel 41 wherein and lower horizontal position-limited wheel 42 are provided with the annular groove (not shown) for accommodating ring, play the effect of cross spacing with this.
Sliding feed device 50 wherein comprises for the fixing slide 51 of rolling wheel 30, is located at the roll extrusion force piece 52 on slide 51, and with the slide block 53 of roll extrusion force piece 52 driving coupling, establish on roll extrusion bearing 11 be used to the sliding chamber 111 of the rectangle that is held into slide 51; The nearly ring core shaft end in the sliding chamber 111 of rectangle is provided with pressure contact in the back-moving spring 112 of slide 51 inboards; Slide block 53 pressure contacts are in the ring core shaft end far away (being manual adjustment means 54) in the sliding chamber 111 of rectangle herein.The upside in the sliding chamber 111 of rectangle is provided with for the chute 113 that connects roll extrusion force piece 52; In the present embodiment, roll extrusion force piece 52 is cylinder.The ring far away core shaft end in the sliding chamber 111 of rectangle is provided with manual adjustment means 54, manual adjustment means 54 comprises that the manual sliding block 541(that is located at rectangle sliding chamber 111 can horizontal slip), and the handwheel 542(that contacts with manual sliding block 541 outside pressure can be referred to as hand wheel shaft again) left end, handwheel 542 and roll extrusion bearing 11 screw joints.The inboard of manual sliding block 541 is provided with the pulley 543 with slide block 53 pressure contacts, and slide block 53 is provided with the inclined-plane 531 with pulley 543 pressure contacts; Slide block 53 down slidings consist of slide 51 towards the movement of ring mandrel 20 directions; The rotation of handwheel (normally turning clockwise) consists of manual sliding block 541 towards the movement of ring mandrel 20 directions.
Wherein, rolling wheel 30 connects for belt-type driving coupling or chain driving with motor 13.Ring mandrel 20 is provided with rolling bearing, so that ring is in the synchronous rotary process, its inner ring is friction not, and reduces the damage of ring inner surface and the loss of precious metal material.
In other embodiment, the periphery of rolling wheel can be provided with rectilinear roll extrusion flower-pattern layer, can process at the outer surface of ring straight line bar shaped decorative pattern.
In another specific embodiment as shown in Figure 4, the dynamic structure that roll extrusion force piece 52A wherein adopts oil gas to combine, comprise with the oil cylinder 521 of slide block 53 driving coupling, with the oil gas cylinder 522 of oil cylinder 521 hydraulic link, and the cylinder 523 that connects with oil gas cylinder 522 air pressure; Be provided with choke valve 524 between oil cylinder 521 and oil gas cylinder 522; The hydraulic jack chamber 5222 that oil gas cylinder 522 comprises the gas cylinder chamber 5221 that connects with cylinder 523 air pressure and connects with oil cylinder 521 oil pressure; Cylinder 523 connects by the pneumatic supply B gas circuit of electromagnetic valve of gas circuit 525 with the outside.
Choke valve wherein can adopt the choke valve of manual adjustments, if be used for the automation machining control, can adopt the choke valve of Electromagnetic Control.
its operation principle is, the operator pulls spacing handle 433, ring A is set on ring mandrel 20, and be stuck in the annular groove of horizontal position-limited wheel 41 and lower horizontal position-limited wheel 42, start play button, electromagnetic valve of gas circuit 525 gets electric, cylinder 523 is connected pneumatic supply B, gases in cylinder 523 are delivered to gas cylinder chamber 5221, piston 5223 moves, the oil in hydraulic jack chamber 5222 flows to oil cylinder 521, oil cylinder 521 promotes slide block 53 and moves, and then promotion slide 51, the feeding of rolling wheel 30, diameter after the ring shaping is become large, until travel switch 63 Trig control signals, electromagnetic valve of gas circuit 525 dead electricity, cylinder 523 is connected atmosphere, the roll extrusion force piece runs out of steam, and slide 51 drives rolling wheel 30 rollbacks under the effect of back-moving spring 112.At this moment, the operator pulls spacing handle 433, and the ring that shaping can be completed takes out, and is inserted in the ring that another one is treated shaping, begins a new shaping process.
In other embodiment, can by increasing automatic charging device (ring that will treat shaping is packed on the ring mandrel) and automatic blanking device (ring that shaping is completed is taken off from the ring mandrel), can realize that the Full automatic shaping of bar shaped ring is processed.
In sum, the utility model utilizes the rolling wheel of driven by motor, and the ring that is set on the ring mandrel is carried out the mechanical type roll extrusion, reaches the purpose of shaping, has improved the production efficiency of shaping processing, and has reduced operator's labour intensity.By the horizontal limit devices that is provided with, the lateral attitude of ring in the shaping process limited, the shaping process of High Rotation Speed can prevent that ring from splitting away off from the ring mandrel simultaneously.By the range unit that is provided with, when the ring shaping reaches the setting size, can trigger the control signal of feed-disabling by the travel switch that is provided with, finish the shaping process of ring, realize the automatic control of shaping processing.By the manual adjustment means that is provided with, can regulate rapidly the position of sliding feed device.By the sliding feed actuating unit that the oil gas that is provided with combines, can utilize the conventional source of the gas of factory to be used as power source, and can regulate the shaping feed speed by choke valve.
Above-mentionedly only further illustrate technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent that embodiment of the present utility model only limits to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.Protection domain of the present utility model is as the criterion with claims.

Claims (10)

1. the ring shaping device, comprise base, and be located at the roll extrusion bearing on base, characterized by further comprising:
Be located at the ring mandrel that is used for being inserted in ring of roll extrusion bearing side, described ring mandrel is horizontal direction;
Be located at the rolling wheel of ring mandrel one side, described rolling wheel connects with motor-driven;
Be located at the horizontal limit devices of the upper and lower side of ring mandrel;
Sliding feed device with being used for promoting rolling wheel is fixed with described rolling wheel on described sliding feed device;
Wherein, the rolling wheel pressure contact is in the ring periphery that is sheathed on the ring mandrel, ring and rolling wheel synchronous rotary, and the sectional area of ring diminishes when roll extrusion, and the diameter of ring becomes when roll extrusion greatly, to consist of the shaping campaign of ring.
2. ring shaping device according to claim 1, it is characterized in that described range unit comprise pressure contact in the pinch roller of ring outer surface, be used for the fixedly range finding fork of pinch roller, and pressure contact is in the travel switch of the range finding fork other end, and is located at the preloading spring of the range finding fork other end; The centre of described range finding fork connects with roll extrusion bearing hinge.
3. ring shaping device according to claim 1, it is characterized in that described horizontal limit devices comprises the upper horizontal position-limited wheel of being located at ring mandrel top, be located at the lower horizontal position-limited wheel of ring mandrel below, the upper horizontal gag lever post that is used for fixing horizontal position-limited wheel, the lower horizontal gag lever post that is used for fixing lower horizontal position-limited wheel, the upper pin that is used for fixing horizontal gag lever post, the lower bearing pin that is used for fixing lower horizontal gag lever post, described upper pin and lower bearing pin connect with the roll extrusion bearing is rotary, described upper pin, the tail end of lower bearing pin respectively is provided with intermeshing cogging, lower gear.
4. ring shaping device according to claim 3, is characterized in that described horizontal gag lever post also is connected with the spacing handle for loading and unloading; Also be provided with limit spring between described horizontal gag lever post and lower horizontal gag lever post.
5. ring shaping device according to claim 1, it is characterized in that described sliding feed device comprises for the fixing slide of rolling wheel, be located at the roll extrusion force piece on slide, and with the slide block of roll extrusion force piece driving coupling, establish on described roll extrusion bearing be used to the sliding chamber of the rectangle that is held into slide; The nearly ring core shaft end in the sliding chamber of described rectangle is provided with pressure contact in the back-moving spring of slide inboard; Described slide block pressure is contacted with the ring far away core shaft end in rectangle sliding chamber.
6. ring shaping device according to claim 5 is characterized in that the upside in described rectangle sliding chamber is provided with chute; Described roll extrusion force piece is cylinder, oil cylinder or ball lead screw drive mechanism.
7. ring shaping device according to claim 6, the ring far away core shaft end that it is characterized in that described rectangle sliding chamber is provided with manual adjustment means, described manual adjustment means comprises the manual sliding block of being located at the sliding chamber of rectangle, and the handwheel that contacts with the manual sliding block outside pressure, described handwheel and roll extrusion bearing screw joints, the inboard of described manual sliding block is provided with the pulley that contacts with slide block pressure, and described slide block is provided with the inclined-plane that contacts with pulley pressure; Described slide block down sliding consists of slide towards the axial movement of ring core; The rotation of described handwheel consists of manual sliding block towards the axial movement of ring core.
8. ring shaping device according to claim 2, it is characterized in that described roll extrusion bearing also is connected with for the fixing adjusting bearing of range unit, horizontal limit devices, described adjusting bearing is fore-and-aft direction with the roll extrusion bearing, left and right directions is adjustable connects.
9. ring shaping device according to claim 1, is characterized in that the periphery of described rolling wheel is provided with the roll extrusion flower-pattern layer, and described rolling wheel is that belt-type driving coupling or chain driving connect with motor.
10. ring shaping device according to claim 6, is characterized in that described roll extrusion force piece comprises and the oil cylinder of slide block driving coupling, the oil gas cylinder that connects with oil cylinder hydraulic, and the cylinder that connects with oil gas cylinder air pressure; Be provided with choke valve between described oil cylinder and oil gas cylinder; Described oil gas cylinder comprises the gas cylinder chamber that connects with cylinder air pressure and the hydraulic jack chamber that connects with the oil cylinder oil pressure; Described cylinder connects with the pneumatic supply gas circuit of outside.
CN 201220733211 2012-12-27 2012-12-27 Ring shaping equipment Withdrawn - After Issue CN202999561U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220733211 CN202999561U (en) 2012-12-27 2012-12-27 Ring shaping equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220733211 CN202999561U (en) 2012-12-27 2012-12-27 Ring shaping equipment

Publications (1)

Publication Number Publication Date
CN202999561U true CN202999561U (en) 2013-06-19

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ID=48591207

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220733211 Withdrawn - After Issue CN202999561U (en) 2012-12-27 2012-12-27 Ring shaping equipment

Country Status (1)

Country Link
CN (1) CN202999561U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103040204A (en) * 2012-12-27 2013-04-17 深圳市翠绿首饰股份有限公司 Finger ring shaping equipment
WO2018094749A1 (en) * 2016-11-24 2018-05-31 山东梦金园珠宝首饰有限公司 Outer surface treatment apparatus for ring-shaped precious metal adornments with purity of 999.999‰
CN111602940A (en) * 2020-05-19 2020-09-01 牟小杰 Whole round equipment is restoreed to bracelet

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103040204A (en) * 2012-12-27 2013-04-17 深圳市翠绿首饰股份有限公司 Finger ring shaping equipment
WO2018094749A1 (en) * 2016-11-24 2018-05-31 山东梦金园珠宝首饰有限公司 Outer surface treatment apparatus for ring-shaped precious metal adornments with purity of 999.999‰
CN111602940A (en) * 2020-05-19 2020-09-01 牟小杰 Whole round equipment is restoreed to bracelet
CN111602940B (en) * 2020-05-19 2022-05-27 大新珠宝(深圳)有限公司 Whole round equipment is restoreed to bracelet

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Huang Wanzhou

Inventor after: Quan Hongpeng

Inventor before: Huang Wanzhou

Inventor before: Jin Hongpeng

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: HUANG WANZHOU JIN HONGPENG TO: HUANG WANZHOU QUAN HONGPENG

AV01 Patent right actively abandoned

Granted publication date: 20130619

Effective date of abandoning: 20150107

RGAV Abandon patent right to avoid regrant