CN104526543A - Milling and polishing machine - Google Patents
Milling and polishing machine Download PDFInfo
- Publication number
- CN104526543A CN104526543A CN201510017165.4A CN201510017165A CN104526543A CN 104526543 A CN104526543 A CN 104526543A CN 201510017165 A CN201510017165 A CN 201510017165A CN 104526543 A CN104526543 A CN 104526543A
- Authority
- CN
- China
- Prior art keywords
- clamping part
- milling
- conically shaped
- polished machine
- orbicule
- 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
- 238000005498 polishing Methods 0.000 title claims abstract description 24
- 238000003801 milling Methods 0.000 title abstract 17
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 abstract description 16
- 239000010432 diamond Substances 0.000 abstract description 16
- 239000013078 crystal Substances 0.000 abstract description 12
- 239000002245 particle Substances 0.000 abstract description 6
- 238000007517 polishing process Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 2
- 229910001573 adamantine Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007516 diamond turning Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000011160 research Methods 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/27—Work carriers
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a milling and polishing machine. The milling and polishing machine comprises a milling disc unit arranged on a rack, and a clamping unit arranged opposite to the milling and polishing face of a milling disc in the milling disc unit. The clamping unit comprises a clamping part used for clamping a work-piece to be machined, and a drive part which drives the clamping part to rotate with the vertical line of the milling and polishing face of the milling disc as the axis. By the adoption of the technical scheme, the milling and polishing machine enables diamond particles to rotate around the vertical line of the milling and polishing face of the milling disc by 360 degrees in the milling and polishing process so that the milling disc can mill the diamond particles in all crystal orientations, on one hand, the step of needing to determine the milling crystal orientations of the diamond particles in the prior art is omitted, and the working efficiency is effectively improved; on the other hand, uniform consumption of the milling disc can be kept, finishing is not needed, and the service life of the milling and polishing machine is prolonged.
Description
Technical field
The present invention relates to precise machine machining field, particularly relate to a kind of polished machine.
Background technology
Diamond is with the physical and mechanical properties of its uniqueness, and especially its high hardness, has in industry manufacture and scientific and technical research field the application being difficult to substitute.The U.S. in the 50's Mos of eighties of last century, for the demand for development adapting to ultra precision cutting technology develops SPDT(Single Point Diamond Turning) technology.In this technology, diamond is as cutting tool manufactured materials, and this also makes diamond cutter manufacturing technology become key technology in ultraprecise field of machining.Diamond itself has strong anisotropy.Most typical in the present frictional behavior of this property list is exactly that the material removal efficiency in the different crystal face crystal orientation of diamond presents significant difference under same mechanical lapping condition.In reality when to adamantine some crystal face attrition process, in order to raise the efficiency, always will adjustment gradually, the grinding direction finding material removing rate high, and the parameter values in concrete sign grinding direction is difficult to obtain.
Given this, Chinese patent literature CN 103616394 A discloses a kind of method determining diamond lap crystal orientation, by providing an abradant surface and the rib needing attrition process surface to be formed as the way with reference to crystal orientation in advance, only need to do initial demarcation to crystal face crystal orientation, laser confocal microscope just can be adopted in follow-up attrition process to measure the characterization parameter in concrete grinding direction, do not need the locus and the attitude that record the placement of diamond workpiece, convenient and swift.But, before grinding and polishing is carried out to diamond, first to determine this step in diamond lap crystal orientation, inherently greatly reduce diamond grinding polishing operating efficiency.Therefore, be necessary to design a kind of novel polished machine and adamantine grinding and polishing method to overcome above-mentioned defect of the prior art, accomplish real effective raising operating efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of polished machine that can increase substantially efficiency.
To achieve these goals, a kind of polished machine of the present invention, comprises the mill unit be arranged in frame, and the grip unit be oppositely arranged with the grinding and polishing face of the mill in described mill unit; The drive division that described grip unit comprises the clamping part for clamping workpiece to be processed and drives described clamping part to rotate for axis with the vertical line in described mill grinding and polishing face.
Described clamping part comprises frock clamp body, and described frock clamp body is provided with spring mechanism, for workpiece to be processed being withstood on the grinding and polishing face of mill.
Described frock clamp body is provided with multiple spring mechanism; Described frock clamp body is plate-like, and described multiple spring mechanism is evenly distributed in the circumference of described frock clamp body.
Described drive division comprises drive motors and gear drive; Described gear drive comprises the planetary gear being connected to drive motors clutch end, and the central gear be meshed with described planetary gear, and described clamping part is connected and synchronous axial system by clamping part connector with described planetary gear.
Described planetary gear is multiple, and correspond ground, described clamping part, described clamping part connector are respectively multiple; Each described clamping part connector is arranged in an outer sleeve, and is provided with bearing between described clamping part connector and described outer sleeve.
Described clamping part is connected by locking device separably with described clamping part connector.
Described locking device comprises one end and is connected to clamping part, and the other end is provided with the joint pin of an orbicule, also comprises the conically shaped be positioned at for orbicule insertion on clamping part connector; The sidewall circumference of described conically shaped is provided with at least one initial and along the axially extended split cavity of described conically shaped from the insertion end inserted for described orbicule of described conically shaped, thus the diameter of the insertion end of described conically shaped can be enable to expand along with the insertion of described orbicule; Be provided with the orbicule cavity volume of groove-like near the side of described insertion end at the inwall of described conically shaped.
Described conically shaped arranged outside has the spacer of tubular, and described spacer is provided with the tilt internal wall corresponding with described conically shaped outer wall shape; Described conically shaped is connected with power set by a push rod, and described power set can drive described conically shaped to stretch out or described spacer of retracting by described push rod.
Described clamping part connector is tubular, and it is inner that described conically shaped is positioned at described clamping part connector, and one end of clamping part connector is used for described orbicule and inserts, the passage that the other end is connected with described power set for providing described push rod.
One end that described push rod is connected with described power set is T-shaped, and outside described push rod, cover has the second Compress Spring, and the T-shaped end of described push rod is withstood in described second Compress Spring one end, and the other end withstands described spacer.
Adopt technique scheme, polished machine of the present invention, in grinding and polishing process, make the vertical line of diamond particles around mill grinding and polishing face carry out 360 ° of rotations, thus mill can grind in each crystal orientation of diamond particles, eliminate in prior art the step needing to determine diamond particles grinding crystal orientation on the one hand, effectively improve operating efficiency, mill can be kept evenly to consume on the other hand, thus without the need to finishing, extend the service life of instrument.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of polished machine of the present invention.
Fig. 2 is the decomposition texture schematic diagram of grip unit.
Fig. 3 is the partial sectional view of grip unit.
Fig. 4 is the partial exploded view of grip unit.
Fig. 5 is the sectional view of clamping part.
Fig. 6 is the decomposing schematic representation of clamping part.
Fig. 7 is the partial sectional perspective view of grip unit.
Detailed description of the invention
Below by way of the drawings and specific embodiments, the present invention is described in further detail.
The present embodiment provides a kind of polished machine, and as shown in Figure 1, comprise frame 1 and be positioned at the mill unit 2 in frame 1, the mill grinding and polishing face in described mill unit 2 is horizontally disposed with, above described mill unit 2, be provided with grip unit 3.
Described frame 1 is also provided with the lifting motor 4 for driving described grip unit 3 entirety to move up and down and touch screen control panel 5, described grip unit 3 is provided with lifting support 34, described lifting support 34 connects a slide block, and described slide block is arranged on the line slideway 6 of vertically setting.
As shown in Figure 2, the drive division 32 that described grip unit 3 comprises the clamping part 31 for clamping workpiece to be processed and drives described clamping part to rotate for axis with the vertical line in described mill grinding and polishing face, the rotation of described clamping part can be rotation, also can be revolution, also can be revolve round the sun rotation while.
Particularly, described clamping part 31, as shown in Figure 5,6, comprises frock clamp body 311, and described frock clamp body 311 is provided with spring mechanism, for workpiece to be processed being withstood on the grinding and polishing face of mill.
Described spring mechanism is included in pilot hole 312, first Compress Spring 313 that the vertical line direction in mill grinding and polishing face is arranged and is positioned at described pilot hole 312 and one end is fixed, and the other end withstands the workpiece connecting portion 314 that workpiece to be processed 100 is housed.
Described workpiece connecting portion 314 comprises the connecting rod portion 314a near described first Compress Spring 313 side, and described connecting rod portion 314a is inserted in described pilot hole 312.
Described connecting rod portion 314a and described first Compress Spring 313 contact jaw are T-shaped, the hole wall of described pilot hole 312 are provided with the spacing preiection portion 315 of the T-shaped end for stopping connecting rod portion 314a.
Described frock clamp body 311 offers installing hole 316 and insert the mount pad 317 of installing hole 316, described pilot hole 312 is positioned at described mount pad 317.
The hole wall of described installing hole 316 is provided with shoulder 316a, make described installing hole 316 in the aperture of described shoulder 316a near side, described mill grinding and polishing face (i.e. the downside of described shoulder 316a), be greater than described installing hole 316 in the aperture of described shoulder 316a away from side, described mill grinding and polishing face (i.e. the upside of described shoulder 316a); Contrary one end that described mount pad 317 offers one end of pilot hole 312 is fixed with one first locking nut 350 through after described installing hole 316; Described mount pad 317 sidewall is provided with the boss structure 317a withstood on described shoulder 316a, after the first locking nut 350 is tightened in described mount pad 317 top, described boss structure 317a is clamped on described shoulder 316a, thus is fixed on described frock clamp body 311 by described mount pad 317.
Described frock clamp body 311 is provided with multiple spring mechanism.That is, each frock clamp body 311 can clamp multiple workpiece to be processed.
Described frock clamp body 311 is plate-like, and described multiple spring mechanism is evenly distributed in the circumference of described frock clamp body 311.
As shown in Fig. 2,3,4,7, described drive division 32 comprises drive motors 321 and gear drive.
Described gear drive comprises the planetary gear 323 being connected to drive motors 321 clutch end, and the central gear 322 to be meshed with planetary gear 323, described clamping part 31 and described driven gear 323 to be connected also synchronous axial system by clamping part connector 33.
Described planetary gear 323 is multiple, and correspond ground, described clamping part 31, described clamping part connector 33 are respectively multiple.
Each described clamping part connector 33 is arranged in an outer sleeve 331, and is provided with upper bearing (metal) 327a and lower bearing 327b between described clamping part connector 33 and described outer sleeve 331, and the two can rotate relatively.
Described clamping part connector 33 is positioned at the axial location of described frock clamp body 311, by the rotation of clamping part connector 33, drives described frock clamp body 311 to rotate, thus the multiple workpieces to be processed be positioned on frock clamp body 311 are together rotated.
Multiple described outer sleeve 331 is set in parallel on a planet reel 338, and multiple described outer sleeve 331 is fixedly connected as a single entity by described planet reel 338.
Described planet reel 338 offers lower main axis hole 338a, the main shaft 324 be connected with the clutch end of drive motors 321 is connected with the 3rd locking nut 365 be positioned at below planet reel 338 through after described lower main axis hole 338a, described planet reel 338 can be locked on described main shaft 324 by described 3rd locking nut 365, and between described main shaft 324 and described planet reel 338, be provided with key, thus the rotation of main shaft 324 can drive planet reel 338 and outer sleeve 331, planetary gear 323 together rotates.
Described clamping part 31 is connected by locking device separably with described clamping part connector 33.
Described locking device comprises one end and is connected to clamping part 31, and the other end is provided with the joint pin 319 of an orbicule 318, also comprises the conically shaped 333 be positioned at for orbicule insertion on clamping part connector 33.Described joint pin 319 connects a Morse taper shank 340, and Morse taper shank 340 is connected to described frock clamp body 311.
The sidewall circumference of described conically shaped 333 is provided with at least one initial and along the axially extended split cavity 333a of described conically shaped 333 from the insertion end inserted for described orbicule of described conically shaped 333, thus the diameter of the insertion end of described conically shaped 333 can be enable to expand along with the insertion of described orbicule 318; Be provided with the orbicule cavity volume 333b of groove-like near the side of described insertion end at the inwall of described conically shaped 333.
Described conically shaped 333 arranged outside has the spacer 334 of tubular, and described spacer 334 is provided with the tilt internal wall corresponding with described conically shaped 333 outer wall shape.
Described conically shaped 333 is connected with power set by a push rod 335, and described power set can drive described conically shaped 333 to stretch out or described spacer 334 of retracting by described push rod 335.
Described power set are cylinder 336.
Described clamping part connector 33 is tubular, and it is inner that described conically shaped 333 is positioned at described clamping part connector 33, and one end of clamping part connector 33 is used for described orbicule 318 and inserts, the passage that the other end is connected with described power set for providing described push rod 335.
One end that described push rod 335 is connected with described power set is T-shaped, and outside described push rod 335, cover has the second Compress Spring 337, and the T-shaped end of described push rod 335 is withstood in described second Compress Spring 337 one end, and the other end withstands described spacer 334.
Described second Compress Spring 337 is disk spring.
Described cylinder 336 is fixed on the upper surface of an air cylinder support 325, and the cylinder rod of cylinder 336 is through the T-shaped end upper surface withstanding on described push rod 335 after the through hole that described air cylinder support 325 is offered.
Also be provided with sealing ring 328a and lower seal 328b in the both sides up and down of described upper bearing (metal) 327a and lower bearing 327b, upper sealing ring 328a is enclosed within outside a spacer ring 329, and spacer ring 329 is enclosed within outside described clamping part connector 33.The upper end of described spacer 329 withstands on the lower surface of described driven gear 323, and one second locking nut 330 withstands on the upper surface of described central gear 322.Spacing end cap 320 is screwed onto the upper surface of described clamping part connector 33 by screw.
When needs take off described clamping part 31, opening cylinder 336 makes it promote push rod 335 forward slip, second Compress Spring 337 compress energy storage, conically shaped 333 ejects by push rod 335 in spacer 334, thus orbicule 318 is easy to extract from the insertion end of conically shaped 333.
As shown in Figure 7, the power output shaft of described drive motors 321 is connected with decelerator 35, and main shaft 324 is connected to described decelerator 35 through the through hole be opened on lifting support 34, is also provided with spindle jacket 36 in the upper of described lifting support 34; Described spindle jacket 36 is set in outside described main shaft 324, and described lifting support 34 is fixed in one end, and the other end is fixed on described air cylinder support 325.Described main shaft 324 through the upper spindle hole 325a be installed on described air cylinder support 325, and can rotate in spindle hole 325a on described.
In described drive motors 321, decelerator 35, spindle jacket 36, lifting support 34 and air cylinder support 325, owing to all being interfixed by screw between adjacent parts, thus make above-mentioned parts form an entirety, can move up and down under the drive of lifting motor 4.
Claims (10)
1. a polished machine, is characterized in that: comprise the mill unit be arranged in frame, and the grip unit be oppositely arranged with the grinding and polishing face of the mill in described mill unit; The drive division that described grip unit comprises the clamping part for clamping workpiece to be processed and drives described clamping part to rotate for axis with the vertical line in described mill grinding and polishing face.
2. polished machine as claimed in claim 1, is characterized in that: described clamping part comprises frock clamp body, described frock clamp body is provided with spring mechanism, for workpiece to be processed being withstood on the grinding and polishing face of mill.
3. polished machine as claimed in claim 2, is characterized in that: described frock clamp body is provided with multiple spring mechanism; Described frock clamp body is plate-like, and described multiple spring mechanism is evenly distributed in the circumference of described frock clamp body.
4. polished machine as claimed in claim 1, is characterized in that: described drive division comprises drive motors and gear drive; Described gear drive comprises the planetary gear being connected to drive motors clutch end, and the central gear be meshed with described planetary gear, and described clamping part is connected and synchronous axial system by clamping part connector with described planetary gear.
5. polished machine as claimed in claim 4, is characterized in that: described planetary gear is multiple, and correspond ground, described clamping part, described clamping part connector are respectively multiple; Each described clamping part connector is arranged in an outer sleeve, and is provided with bearing between described clamping part connector and described outer sleeve.
6. the polished machine as described in claim 4 or 5, is characterized in that: described clamping part is connected by locking device separably with described clamping part connector.
7. polished machine as claimed in claim 6, is characterized in that: described locking device comprises one end and is connected to clamping part, and the other end is provided with the joint pin of an orbicule, also comprises the conically shaped be positioned at for orbicule insertion on clamping part connector; The sidewall circumference of described conically shaped is provided with at least one initial and along the axially extended split cavity of described conically shaped from the insertion end inserted for described orbicule of described conically shaped, thus the diameter of the insertion end of described conically shaped can be enable to expand along with the insertion of described orbicule; Be provided with the orbicule cavity volume of groove-like near the side of described insertion end at the inwall of described conically shaped.
8. polished machine as claimed in claim 7, it is characterized in that: described conically shaped arranged outside has the spacer of tubular, described spacer is provided with the tilt internal wall corresponding with described conically shaped outer wall shape; Described conically shaped is connected with power set by a push rod, and described power set can drive described conically shaped to stretch out or described spacer of retracting by described push rod.
9. polished machine as claimed in claim 8, it is characterized in that: described clamping part connector is tubular, it is inner that described conically shaped is positioned at described clamping part connector, one end of clamping part connector is used for described orbicule and inserts, the passage that the other end is connected with described power set for providing described push rod.
10. polished machine as claimed in claim 9, it is characterized in that: one end that described push rod is connected with described power set is T-shaped, outside described push rod, cover has the second Compress Spring, and the T-shaped end of described push rod is withstood in described second Compress Spring one end, and the other end withstands described spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510017165.4A CN104526543B (en) | 2015-01-14 | 2015-01-14 | Grinding and polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510017165.4A CN104526543B (en) | 2015-01-14 | 2015-01-14 | Grinding and polishing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104526543A true CN104526543A (en) | 2015-04-22 |
| CN104526543B CN104526543B (en) | 2017-01-04 |
Family
ID=52842269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510017165.4A Expired - Fee Related CN104526543B (en) | 2015-01-14 | 2015-01-14 | Grinding and polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104526543B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770880A (en) * | 2021-09-28 | 2021-12-10 | 温州大学 | Multihead grinding and polishing device for integral blade disc blades of aero-engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210064Y (en) * | 1994-11-10 | 1995-10-18 | 叶明华 | Lapping machine |
| KR20100000787A (en) * | 2008-06-25 | 2010-01-06 | 씨엠티 주식회사 | Multifuction grinding machine for grinding, lapping and polishing |
| CN201604071U (en) * | 2010-03-31 | 2010-10-13 | 南京白鹿科技有限公司 | Metallographical polishing machine |
| CN103707189A (en) * | 2013-12-27 | 2014-04-09 | 浙江凯吉机械设备制造有限公司 | Plate type clamp grinding machine |
| CN204413839U (en) * | 2015-01-14 | 2015-06-24 | 浙江凯吉机械设备制造有限公司 | A kind of polished machine |
-
2015
- 2015-01-14 CN CN201510017165.4A patent/CN104526543B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210064Y (en) * | 1994-11-10 | 1995-10-18 | 叶明华 | Lapping machine |
| KR20100000787A (en) * | 2008-06-25 | 2010-01-06 | 씨엠티 주식회사 | Multifuction grinding machine for grinding, lapping and polishing |
| CN201604071U (en) * | 2010-03-31 | 2010-10-13 | 南京白鹿科技有限公司 | Metallographical polishing machine |
| CN103707189A (en) * | 2013-12-27 | 2014-04-09 | 浙江凯吉机械设备制造有限公司 | Plate type clamp grinding machine |
| CN204413839U (en) * | 2015-01-14 | 2015-06-24 | 浙江凯吉机械设备制造有限公司 | A kind of polished machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770880A (en) * | 2021-09-28 | 2021-12-10 | 温州大学 | Multihead grinding and polishing device for integral blade disc blades of aero-engine |
| CN113770880B (en) * | 2021-09-28 | 2022-11-15 | 温州大学 | Multihead grinding and polishing device for integral blade disc blades of aero-engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104526543B (en) | 2017-01-04 |
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Effective date of registration: 20190321 Address after: 322000 No. 121 Chunhe Road, Beiyuan Street, Yiwu City, Jinhua City, Zhejiang Province Patentee after: ZHEJIANG KAIJI AUTOMOBILE SPARE PARTS MANUFACTURE Co.,Ltd. Address before: 322000 No. 121 Chunhe Road, Beiyuan Street, Yiwu City, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG KAIJI MACHINERY EQUIPMENT MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20201230 Address after: No.6, Hetai Road, Bufeng Town, Yancheng Economic and Technological Development Zone, Jiangsu Province 224000 Patentee after: Yancheng HengAn Mining Machinery Co.,Ltd. Address before: 322000 No. 121 Chunhe Road, Beiyuan Street, Yiwu City, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG KAIJI AUTOMOBILE SPARE PARTS MANUFACTURE Co.,Ltd. |
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Effective date of registration: 20210508 Address after: 224000 room 2-401, building 6, No.5, South hope Avenue, Yancheng Economic and Technological Development Zone, Jiangsu Province Patentee after: Yancheng Xinhui Town Construction Development Co.,Ltd. Address before: No.6, Hetai Road, Bufeng Town, Yancheng Economic and Technological Development Zone, Jiangsu Province 224000 Patentee before: Yancheng HengAn Mining Machinery Co.,Ltd. |
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Granted publication date: 20170104 |
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