CN103659567A - Ultra-precision machine special for machining nuclear power bearing rings - Google Patents
Ultra-precision machine special for machining nuclear power bearing rings Download PDFInfo
- Publication number
- CN103659567A CN103659567A CN201310604262.4A CN201310604262A CN103659567A CN 103659567 A CN103659567 A CN 103659567A CN 201310604262 A CN201310604262 A CN 201310604262A CN 103659567 A CN103659567 A CN 103659567A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- nuclear power
- magnetic pole
- yaw
- electric main
- 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.)
- Granted
Links
- 238000003754 machining Methods 0.000 title abstract description 11
- 239000004575 stone Substances 0.000 claims abstract description 19
- 230000001808 coupling Effects 0.000 claims description 10
- 230000003028 elevating Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 8
- 230000036536 Cave Effects 0.000 claims description 6
- 238000005296 abrasive Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001684 chronic Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B35/00—Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
Abstract
An ultra-precision machine special for machining nuclear power bearing rings comprises a machine tool base, a lathe bed, a hydraulic system, an electronic control system, a servo system, electric main shafts, rotary head lifting mechanisms, a workpiece shaft, rotary head movable rods, sliding blocks, a workpiece translational mechanism, a supporting component, a magnetic pole, a rotary eccentric wheel, the nuclear power bearing rings, rotary head slide ways and oil stone clamps. The number of the electric main shafts and the number of the rotary head lifting mechanisms are both two sets, and the electric main shafts and the rotary head lifting mechanisms are all arranged above the workpiece translational mechanism. Each set of electric main shaft independently works and moves up and down through a corresponding rotary head lifting mechanism. The rotary eccentric wheel is arranged on the lower end portions of the electric main shafts, and the electric main shafts drive the rotary eccentric wheel to rotate. The ultra-precision machine is used for more conveniently and quickly machining the nuclear power bearing rings, on the premise of guaranteeing machining precision, time for replacing mechanical parts and debugging the machining size in the prior art can be saved, machining can be continued as long as the magnetic pole is replaced, and machining efficiency is effectively improved.
Description
Technical field
The present invention relates to a kind of Superfinishing machine, particularly the special-purpose Superfinishing machine of a kind of bearing machining.
Background technology
Numerical control Superfinishing machine because the variation of lasso model and appearance and size need to be changed the object that some specific parts reach processing, needs to have debugging and trial production in processing nuclear power bearing ring process in Renewal process, process complexity is loaded down with trivial details.
To be numerical control Superfinishing machine can carry out the technical scheme of prior art in first certified products of start processing that nuclear power bearing ring location changes more meets the equipment part of processing this lasso, different to the degree of understanding of equipment according to operator, the percent defective occurring in trial production process also has certain difference; The shortcoming of prior art is summarized as: 1, adjustment difficulty is very large: because numerical control Superfinishing machine needs the position of manually adjustment many when changing processing machine, and very complicated; 2, adjust chronic: very high due to processing staff's experience is required, new hand takes the time can be very long, and in this process, the time more than just needing very go to carry out man-machine break-in.3, error rate is high: because processing staff's experience, ability is different, in the process of the test after judging whether to adjust, can cause the learies of processing work to increase.Therefore, need the special special-purpose Superfinishing machine of a nuclear power bearing of making.
Summary of the invention
My company is for the high accuracy nuclear power bearing of current production, special design the more convenient Superfinishing machine more efficiently of a kind of processing nuclear power bearing outer ring, the special-purpose Superfinishing machine of the present invention is easy and simple to handle, when changing nuclear power bearing ring machining kinds, without changing too much equipment part, only need to change magnetic pole and just can reach
The object of work, simple and quick, more easily by operator, grasped and understand.
Design principle of the present invention is, utilizes the servo-drive system of the present technology comparative maturity manual adjustment bolt before replacing, and accelerates to adjust precision and speed, and this equipment can complete 2 times superfinishing in the situation that not changing station.
The technical scheme that the present invention deals with problems, a kind of nuclear power bearing ring is processed special-purpose Superfinishing machine, comprise lathe base, lathe bed, hydraulic system, electric-control system, servo-drive system, also comprise electric main shaft, yaw elevating mechanism, workpiece spindle, yaw motion bar, slide block, workpiece translational motion mechanism, supporting component, magnetic pole, rotating eccentricity wheel, nuclear power bearing ring, yaw slideway, oil stone clip;
Electricity main shaft and yaw elevating mechanism are two covers, are arranged on respectively work translation mechanism top, and the electric main shaft of every cover works alone and moves up and down by yaw elevating mechanism, electric main shaft bottom rotating eccentricity wheel, electric main shaft driven rotary eccentric wheel rotation;
Rotating eccentricity wheel is installed yaw motion bar, under the rotation of rotating eccentricity wheel, can there is horizontal repeatedly moving in yaw motion bar, yaw motion bar can be with movable slider that transverse shifting also occurs in mobile, and yaw slideway is used for guaranteeing that slide block transverse shifting can carry out more stably;
There is fixing rotating shaft in oil stone clip centre, by a set of bearing, oil stone clip is connected with rotating shaft, rotary power comes from the slide block of transverse shifting, the rectangular cave of a hollow out is arranged at the bottom of slide block, between oil stone clip and rectangular cave, with bearing, link, be used for guaranteeing that oil stone clip can set back after electric main shaft has turned a circle;
Electricity main shaft energising rotarily drives that yaw motion bar is ceaselessly laterally repeatedly mobile finally to be made oil stone clip ceaselessly swing/reset to realize the fine abrasive of oilstone head to nuclear power bearing ring;
Workpiece spindle is arranged in workpiece translational motion mechanism, by servomotor driven rotary; Magnetic pole is installed on the top of workpiece spindle, after magnetic pole energising, in top annular end face, adsorbs nuclear power bearing ring workpiece to be processed; There is certain offset in the axle center of nuclear power bearing ring workpiece and the axle center of magnetic pole;
Described magnetic pole comprises magnetic pole base, workpiece support section, chip-removal hole, top annular end face, and chip-removal hole is 2-4, is arranged on the sidewall middle part of workpiece support section, and pole center hole is connected to workpiece spindle; Workpiece translational motion mechanism is operating desk, moves in the horizontal direction, and drives workpiece to the relevant position of processing;
Described supporting component comprises: supporting member, shell, shaft coupling, adjustable worm propeller, propeller fixed head, base, base is fixed in workpiece translational motion mechanism, supporting member is connected with adjustable worm propeller by shaft coupling, and coupling part is in shell, and one end installation propeller fixed head of shell carries out spacing to adjustable worm propeller; Rotary adjustable worm propeller, adjusts supporting member and props up workpiece to be processed.
Beneficial effect: the object of this invention is to provide the more convenient superfinishing more efficiently of a kind of processing nuclear power bearing ring mechanism, guaranteeing under the prerequisite of machining accuracy, can save the time of in the past changing machine components, debugging processing cun method, only need to change magnetic pole and just can continue processing, can effectively promote working (machining) efficiency.
Utilized the most practical modern servo-drive system to realize the displacement relation between oilstone head and nuclear power bearing ring, compare the more convenient adjustment of displacement that reaches with manual adjustment bolt before, adjust precision and can reach micron, improved adjustment precision, adjustment time, operator's technical ability is required also to have reduced.This equipment is two cover main shaft lifting mechanisms, can in a whole set of process, complete twice superfinishing operation, is the processing twice that needs an equipment discontinuity in the past, so just there will be secondary clamping, and precision will decline like this, process time also can be long.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, introduce in detail the embodiment of the present invention.
Fig. 1: the lathe bed part-structure schematic diagram of Superfinishing machine of the present invention.
Fig. 2: the structure principle chart of supporting component.
Fig. 3: the structure principle chart of magnetic pole.
Fig. 4: the offset schematic diagram of workpiece and magnetic pole.
Fig. 5: nuclear power bearing ring schematic diagram.
In figure: 1. lathe base, 2. lathe bed, 3. yaw motion bar, 4. slide block, 5. electric main shaft, 6. yaw elevating mechanism, 7. workpiece spindle, 8. workpiece translational motion mechanism, 9. rotating eccentricity wheel, 10. nuclear power bearing ring, 11. yaw slideways, 12. oil stone clips;
200. supporting components, 201. supporting members, 202. shells, 203. shaft couplings, 204. adjustable worm propellers, 205. propeller fixed heads, 206. bases;
400. magnetic poles, 401. magnetic pole bases, 402. workpiece support section, 403. chip-removal holes, 404. top annular end face;
The specific embodiment
A kind of nuclear power bearing ring is processed special-purpose Superfinishing machine, comprise lathe base 1, lathe bed 2, hydraulic system, electric-control system, servo-drive system, it is characterized in that: also comprise electric main shaft 5, yaw elevating mechanism 6, workpiece spindle 7, yaw motion bar 3, slide block 4, workpiece translational motion mechanism 8, supporting component 200, magnetic pole 400, rotating eccentricity wheel 9, nuclear power bearing ring 10, yaw slideway 11, oil stone clip 12;
Electricity main shaft 5 is two covers with yaw elevating mechanism 6, is arranged on respectively work translation mechanism 8 tops, and every cover electricity main shaft 5 works alone and moves up and down by yaw elevating mechanism 6, electric main shaft 5 bottom rotating eccentricity wheels 9, electric main shaft driven rotary eccentric wheel 9 rotations;
Rotating eccentricity wheel 9 is installed yaw motion bar 3, under the rotation of rotating eccentricity wheel 9, can there is horizontal repeatedly moving in yaw motion bar 3, yaw motion bar 3 can be with movable slider 4 that transverse shifting also occurs in mobile, and yaw slideway 11 is used for guaranteeing that slide block 4 transverse shiftings can carry out more stably;
There is fixing rotating shaft in oil stone clip 12 centres, rotary power comes from the slide block 4 of transverse shifting, the rectangular cave of a hollow out is arranged at the bottom of slide block 4, between oil stone clip 12 and rectangular cave, with bearing, links, and is used for guaranteeing that oil stone clip 12 can set back after electric main shaft 5 has turned a circle;
The energising of electricity main shaft 5 rotarily drives that yaw motion bar 3 is ceaselessly laterally repeatedly mobile finally to be made oil stone clip 12 ceaselessly swing/reset to realize the fine abrasive to nuclear power bearing ring 10;
Workpiece spindle 7 is arranged in workpiece translational motion mechanism 8, by driven by motor, is rotated; Magnetic pole 400 is installed on the top of workpiece spindle 7, after magnetic pole 400 energisings, in top annular end face 404, adsorbs nuclear power bearing ring 10 workpiece to be processed; There is certain offset in the axle center of nuclear power bearing ring 10 workpiece and the axle center of magnetic pole 400;
Described magnetic pole 400 comprises magnetic pole base 401, workpiece support section 402, chip-removal hole 403, top annular end face 404, and chip-removal hole 403 is 2-4, is arranged on the sidewall middle part of workpiece support section 402, and magnetic pole 400 centre bores are connected to workpiece spindle 7; Workpiece translational motion mechanism 8 is operating desk, moves in the horizontal direction, and drives workpiece to the relevant position of processing;
Described supporting component 200 comprises: supporting member 201, shell 202, shaft coupling 203, adjustable worm propeller 204, propeller fixed head 205, base 206, base 206 is fixed in workpiece translational motion mechanism 8, supporting member 201 is connected with adjustable worm propeller 204 by shaft coupling 203, and coupling part is on 202 li, shell, and 205 pairs of adjustable worm propellers 204 of one end installation propeller fixed head of shell 202 carry out spacing; Rotary adjustable worm propeller 204, adjusts supporting member 201 and props up workpiece to be processed.
The present invention is not limited to above-described embodiment, and equivalent concepts or change in any technical scope disclosing in the present invention, all classify protection scope of the present invention as.
Claims (1)
1. a nuclear power bearing ring is processed special-purpose Superfinishing machine, comprise lathe base (1), lathe bed (2), hydraulic system, electric-control system, servo-drive system, it is characterized in that: also comprise electric main shaft (5), yaw elevating mechanism (6), workpiece spindle (7), yaw motion bar (3), slide block (4), workpiece translational motion mechanism (8), supporting component (200), magnetic pole (400), rotating eccentricity wheel (9), nuclear power bearing ring (10), yaw slideway (11), oil stone clip (12);
Electricity main shaft (5) is two covers with yaw elevating mechanism (6), be arranged on respectively work translation mechanism (8) top, the electric main shaft of every cover (5) works alone and passes through yaw elevating mechanism (6) and moves up and down, electricity main shaft (5) bottom rotating eccentricity wheel (9), electric main shaft driven rotary eccentric wheel (9) rotation;
Rotating eccentricity wheel (9) is installed yaw motion bar (3), under the rotation of rotating eccentricity wheel (9), can there is horizontal repeatedly moving in yaw motion bar (3), yaw motion bar (3) can be with movable slider (4) that transverse shifting also occurs in mobile, and yaw slideway (11) is used for guaranteeing that slide block (4) transverse shifting can carry out more stably;
There is fixing rotating shaft in oil stone clip (12) centre, by a set of bearing, oil stone clip is connected with rotating shaft, rotary power comes from the slide block (4) of transverse shifting, the rectangular cave of a hollow out is arranged at the bottom of slide block (4), between oil stone clip (12) and rectangular cave, with bearing, link, be used for guaranteeing that oil stone clip (12) can set back after electric main shaft (5) has turned a circle;
Electricity main shaft (5) energising rotarily drives that yaw motion bar (3) is ceaselessly laterally repeatedly mobile finally to be made oil stone clip (12) ceaselessly swing/reset to realize the fine abrasive of oilstone head to nuclear power bearing ring (10);
It is upper that workpiece spindle (7) is arranged on workpiece translational motion mechanism (8), by servomotor driven rotary; Magnetic pole (400) is installed on the top of workpiece spindle (7), after magnetic pole (400) energising, in top annular end face (404), adsorbs nuclear power bearing ring to be processed (10) workpiece; There is certain offset in the axle center of nuclear power bearing ring (10) workpiece and the axle center of magnetic pole (400);
Described magnetic pole (400) comprises magnetic pole base (401), workpiece support section (402), chip-removal hole (403), top annular end face (404), chip-removal hole (403) is 2-4, the sidewall middle part that is arranged on workpiece support section (402), magnetic pole (400) centre bore is connected to workpiece spindle (7); Workpiece translational motion mechanism (8) is operating desk, moves in the horizontal direction, and drives workpiece to the relevant position of processing;
Described supporting component (200) comprising: supporting member (201), shell (202), shaft coupling (203), adjustable worm propeller (204), propeller fixed head (205), base (206), base (206) is fixed in workpiece translational motion mechanism (8), supporting member (201) is connected with adjustable worm propeller (204) by shaft coupling (203), and coupling part is inner at shell (202), one end installation propeller fixed head (205) of shell (202) carries out spacing to adjustable worm propeller (204); Rotary adjustable worm propeller (204), adjusts supporting member (201) and props up workpiece to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604262.4A CN103659567B (en) | 2013-11-25 | 2013-11-25 | Nuclear power bearing ring processes special Superfinishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604262.4A CN103659567B (en) | 2013-11-25 | 2013-11-25 | Nuclear power bearing ring processes special Superfinishing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103659567A true CN103659567A (en) | 2014-03-26 |
| CN103659567B CN103659567B (en) | 2015-10-28 |
Family
ID=50298992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310604262.4A Active CN103659567B (en) | 2013-11-25 | 2013-11-25 | Nuclear power bearing ring processes special Superfinishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103659567B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522471A (en) * | 2016-01-17 | 2016-04-27 | 浙江陀曼智造科技有限公司 | Super-fine machine spindle |
| CN105538127A (en) * | 2016-01-17 | 2016-05-04 | 浙江陀曼智造科技有限公司 | Pressure control system of super-finishing machine |
| CN105538125A (en) * | 2016-01-17 | 2016-05-04 | 浙江陀曼智造科技有限公司 | Support mechanism of superfinishing machine |
| CN106141892A (en) * | 2016-06-30 | 2016-11-23 | 宁波安杰森精密机械制造有限公司 | A kind of bearing collar path and rib are combined super lapping machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2332531Y (en) * | 1996-04-01 | 1999-08-11 | 机械工业部第十设计研究院 | 'Pitching-in and through-cutting' two-step bearing bearings ring convexity trunk tray super-fine machine tool |
| US6102783A (en) * | 1998-01-13 | 2000-08-15 | Ernst Thielenhaus Gmbh & Co. Kg | Apparatus for microfinishing cam-shaft surfaces |
| JP2004130457A (en) * | 2002-10-11 | 2004-04-30 | Koyo Seiko Co Ltd | Superfinishing device for bearing ring of ball bearing |
| CN202200163U (en) * | 2011-04-02 | 2012-04-25 | 长治市滚动轴承制造有限公司 | Bearing ring fine-grinding machine |
| CN202943525U (en) * | 2012-11-12 | 2013-05-22 | 大连凯特乐机械有限公司 | Vertical grinding machine precise roller bearing roller path ultra-precise device |
| CN203141290U (en) * | 2013-02-18 | 2013-08-21 | 苏州铁近机电科技有限公司 | Bearing ring internal wheel and external wheel processing machine |
-
2013
- 2013-11-25 CN CN201310604262.4A patent/CN103659567B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2332531Y (en) * | 1996-04-01 | 1999-08-11 | 机械工业部第十设计研究院 | 'Pitching-in and through-cutting' two-step bearing bearings ring convexity trunk tray super-fine machine tool |
| US6102783A (en) * | 1998-01-13 | 2000-08-15 | Ernst Thielenhaus Gmbh & Co. Kg | Apparatus for microfinishing cam-shaft surfaces |
| JP2004130457A (en) * | 2002-10-11 | 2004-04-30 | Koyo Seiko Co Ltd | Superfinishing device for bearing ring of ball bearing |
| CN202200163U (en) * | 2011-04-02 | 2012-04-25 | 长治市滚动轴承制造有限公司 | Bearing ring fine-grinding machine |
| CN202943525U (en) * | 2012-11-12 | 2013-05-22 | 大连凯特乐机械有限公司 | Vertical grinding machine precise roller bearing roller path ultra-precise device |
| CN203141290U (en) * | 2013-02-18 | 2013-08-21 | 苏州铁近机电科技有限公司 | Bearing ring internal wheel and external wheel processing machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522471A (en) * | 2016-01-17 | 2016-04-27 | 浙江陀曼智造科技有限公司 | Super-fine machine spindle |
| CN105538127A (en) * | 2016-01-17 | 2016-05-04 | 浙江陀曼智造科技有限公司 | Pressure control system of super-finishing machine |
| CN105538125A (en) * | 2016-01-17 | 2016-05-04 | 浙江陀曼智造科技有限公司 | Support mechanism of superfinishing machine |
| CN105538125B (en) * | 2016-01-17 | 2017-11-03 | 浙江陀曼智造科技有限公司 | A kind of Superfinishing machine supporting mechanism |
| CN105522471B (en) * | 2016-01-17 | 2018-06-05 | 浙江陀曼智造科技有限公司 | A kind of Superfinishing machine main shaft |
| CN106141892A (en) * | 2016-06-30 | 2016-11-23 | 宁波安杰森精密机械制造有限公司 | A kind of bearing collar path and rib are combined super lapping machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103659567B (en) | 2015-10-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105922130A (en) | Gantry grinding machine with movable grinding device | |
| CN103659567A (en) | Ultra-precision machine special for machining nuclear power bearing rings | |
| CN105328254A (en) | Table planing machine | |
| CN103639872B (en) | Nuclear power bearing inner race processing Special universal grinding machine | |
| CN202862002U (en) | Automatic grinding wheel dressing machine | |
| CN207547668U (en) | A kind of mechanical processing high efficiency radial drilling machine structure | |
| CN204221479U (en) | A kind of automatic Tool Changer for Machine Center | |
| CN203317177U (en) | Stone ball forming machine | |
| CN202640099U (en) | Bridge type numerical-control planar universal grinder structure | |
| CN109333286A (en) | Comprehensive multiaxis polishing machine | |
| CN203505764U (en) | Ornament processing device | |
| CN205184501U (en) | Multistation numerical control vertical honing machine | |
| CN204843754U (en) | Processing shaped glass's profile modeling profiling mechanism | |
| CN102274981B (en) | Double station round rod processing machine tool | |
| CN203765056U (en) | Simple milling device of symmetrical key groove | |
| CN202985302U (en) | Full-automatic computer copying and abnormality polishing machine | |
| CN104029183A (en) | Four-station parallel rotating table | |
| CN203944883U (en) | Large-scale three dimensional drilling machine three-dimensional adjustment platform mechanism | |
| CN209223784U (en) | Comprehensive multiaxis polishing machine | |
| CN203542312U (en) | Universal grinding machine special for machining nuclear power bearing outer ring | |
| CN103639875B (en) | Nuclear power bearing outer ring processing Special universal grinding machine | |
| CN202143960U (en) | Drilling device for machining butterfly valve body | |
| CN204339533U (en) | Hydraulic press Master cylinder body inner bore honing equipment | |
| CN203751400U (en) | Five-axis machining machine | |
| CN205148031U (en) | Shake dynamic formula timber burnishing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171208 Address after: No. 9, No. two, West Liaohe Road, Liaoning economic and Technological Development Zone, Dalian, Liaoning Patentee after: Dalian Dayou Hi-Tech Ceramic Co., Ltd. Address before: 116600 Dalian da you hi tech ceramics Co., Ltd., No. 9, Jinzhou new area, Dalian, Liaoning, Dalian da you hi tech ceramics Co., Ltd. Patentee before: Li Dongju |
|
| TR01 | Transfer of patent right |