CN107932212A - Inside sanding apparatus for large-diameter cylinder body - Google Patents
Inside sanding apparatus for large-diameter cylinder body Download PDFInfo
- Publication number
- CN107932212A CN107932212A CN201711161178.4A CN201711161178A CN107932212A CN 107932212 A CN107932212 A CN 107932212A CN 201711161178 A CN201711161178 A CN 201711161178A CN 107932212 A CN107932212 A CN 107932212A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- diameter cylinder
- sanding apparatus
- spline
- push
- 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 claims abstract description 16
- 230000003028 elevating effect Effects 0.000 claims abstract description 10
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003139 buffering effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000012946 outsourcing 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/06—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces internally
-
- 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
-
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of inside sanding apparatus for large-diameter cylinder body, the push-pull mechanism that bag mounting bracket, the traveling wheel being located in the mounting bracket, elevating mechanism are connected with the elevating mechanism, the workpiece polishing mechanism being located on the push-pull mechanism and the inside guiding mechanism connected with the push-pull mechanism.The present invention uses mechanical grinding, changes the mode for being manually entered polishing in cylinder in the past, and securely and reliably, polishing effect is good, efficient.
Description
Technical field
The present invention relates to machine components processing technique field, polishes more particularly, to a kind of inside for large-diameter cylinder body
Device.
Background technology
In the process of heavy parts, such as large-diameter cylinder body（Diameter is generally between 1-3m）, many cylinders
Inside needs to weld and processes, this inevitably has welding slag or the remaining raised presence of processing, and these are to need to beat
Grinding off, present mode of operation is that worker crawls into cylinder and polishes by hand, and the working environment in cylinder is very severe,
The serious physical and mental health that have impact on worker, also with security risk, it is often more important that, polishing effect is not ideal enough.
The content of the invention
The object of the present invention is to provide a kind of inside sanding apparatus for large-diameter cylinder body, it need not be manually entered cylinder
Polishing in vivo, securely and reliably, polishing effect are good, efficient.
The present invention technical purpose technical scheme is that：Polish inside for large-diameter cylinder body
Device, the push-and-pull that bag mounting bracket, the traveling wheel being located in the mounting bracket, elevating mechanism are connected with the elevating mechanism
Mechanism, the workpiece polishing mechanism being located on the push-pull mechanism and the inside guiding mechanism connected with the push-pull mechanism.
As the further preferred of technical solution of the present invention, the workpiece polishing mechanism includes grinding head and the grinding head is consolidated
Surely the splined shaft connected, the splined sleeve for installing the splined shaft, the bottom being located in the spline of the splined sleeve
Elastic portion and lateral elasticity portion and for driving the rotating motor of the splined sleeve.The splined sleeve both ends are located to use
In the snap ring for limiting the splined shaft axial movement
As the further preferred of technical solution of the present invention, the bottom resilient portion includes the bottom communicated with the spline
Groove, be located in the base channel and multiple steel balls for stretching into the spline of part and be located at the bottom trench bottom and interior
Portion is full of the bottom rubber bag tank of hydraulic oil.
As the further preferred of technical solution of the present invention, the lateral elasticity portion includes lateral cavity and described lateral
Multiple lateral grooves that cavity communicates, be located in the lateral cavity and internal sidepiece rubber bag tank full of hydraulic oil and be located at institute
State on sidepiece rubber bag tank and one end and stretch into multiple bearing plates in the spline.
As the further preferred of technical solution of the present invention, the multiple bearing plate stretch into the length of the spline with
Gradually shorten away from the spline groove bottom.
As the further preferred of technical solution of the present invention, the elevating mechanism includes the liter being located on the bottom bracket
The lifting ball screw that connect with the lifting motor of drop motor and it is described lift lifting slider that ball screw is spirally connected and
The riser guide coordinated with the lifting slider.
As the further preferred of technical solution of the present invention, the push-pull mechanism includes the horizontal stroke being located on the lifting slider
Transverse slider that the transverse ball lead screw and the transverse ball lead screw connected to motor with the cross motor is spirally connected and
The cross slide way coordinated with the transverse slider.
As the further preferred of technical solution of the present invention, the internal guiding mechanism includes, mounting base, is located at the peace
Fill the rubber sleeve in seat and the directive wheel in the rubber sleeve.
In conclusion the present invention has the advantages that：
Using mechanical grinding, the mode for being manually entered polishing in cylinder in the past is changed, securely and reliably, polishing effect is good, efficient.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is splined shaft and splined sleeve cooperation schematic diagram in the present invention；
Fig. 3 is the bottom resilient portion structure chart in the present invention.
Embodiment
Embodiment：As shown in Figure 1, 2, 3, the inside sanding apparatus for large-diameter cylinder body, bag mounting bracket 1, be located at institute
State the traveling wheel 2 in mounting bracket 1, the push-pull mechanism 4 that elevating mechanism 3 and the elevating mechanism 3 connect, be located at the push-and-pull
Workpiece polishing mechanism 5 in mechanism 4 and the inside guiding mechanism 6 with the push-pull mechanism 4 connection；The internal guiding mechanism 6 wraps
Include, mounting base 601, the rubber sleeve 602 being located in the mounting base 601 and the directive wheel in the rubber sleeve 602
603, directive wheel is two, is symmetrical arranged.
The workpiece polishing mechanism 5 include grinding head 501 be fixedly connected with the grinding head 501 splined shaft 502, for pacifying
Fill the splined sleeve 503 of the splined shaft 502, the bottom resilient portion 506 being located in the spline 504 of the splined sleeve 503
With lateral elasticity portion 507, be located at the snap ring that 503 both ends of splined sleeve are used to limiting the splined shaft 502 and move axially（Figure
It is not drawn into paper, using the Snap ring structure outsourcing of standard component）And for driving the splined sleeve 503 rotating electronic
Machine 508；Motor is fixedly connected with splined sleeve 503, drives grinding head rotation, the welding slag in cylinder, protrusion etc. are beaten
Mill；Lateral elasticity portion and the presence in bottom resilient portion so that whole bruting process is flexible, ensure that the effect of polishing.
The bottom resilient portion 506 include and the spline 504 communicate base channel 5061, be located at the base channel
In 5061 and multiple steel balls 5062 for stretching into the spline 504 of part and it is located at 5061 bottom of base channel and inside
Bottom rubber bag tank 5063 full of hydraulic oil；Multiple steel balls are axially arranged, and with the axle key contact squeeze of splined shaft, by
To it is external when, by bottom rubber bag tank 5063 into row buffering and support.
The lateral elasticity portion 507 includes multiple lateral grooves that lateral cavity 5071 and the lateral cavity 5071 communicate
5072nd, it is located in the lateral cavity 5071 and inside is full of the sidepiece rubber bag tank 5073 of hydraulic oil and is located at the sidepiece rubber
Multiple bearing plates 5074 in the spline 504 are stretched on capsule 5073 and one end；Bearing plate acts on sidepiece rubber bag tank
5073, the axle key of splined shaft ensures polishing effect into row buffering；Further the multiple bearing plate 5074 stretches into the flower
The length of keyway 504 gradually shortens with away from 504 bottom surface of spline；Such setting, stretches out longest bearing plate
First touch the axle key of splined shaft；Into row buffering, followed by it is shorter buffer again, buffering ensure that effect successively.
The elevating mechanism 3 includes the lifting motor 301 being located on the bottom bracket 1 and the lifting motor 301 connects
The lifting slider 303 and and the lifting slider that the lifting ball screw 302 and the lifting ball screw 302 connect is spirally connected
303 riser guides 304 coordinated；Lifting motor drives lifting ball screw rotation so that lifting slider moves up and down, by two
Riser guide is oriented to, and realizes position adjustment.The push-pull mechanism 4 includes being located at the laterally electricity on the lifting slider 303
The transverse direction that the transverse ball lead screw 402 and the transverse ball lead screw 402 that machine 401 and the cross motor 401 connect are spirally connected
Sliding block 403 and the cross slide way 404 coordinated with the transverse slider 403.Cross motor drives transverse ball lead screw rotation, makes
Transverse slider transverse shifting is obtained, is oriented to by two cross slide ways, realizes position adjustment.
Claims (8)
1. the inside sanding apparatus for large-diameter cylinder body, it is characterised in that：Bag mounting bracket（1）, be located at the mounting bracket
（1）On traveling wheel（2）, elevating mechanism（3）And the elevating mechanism（3）The push-pull mechanism of connection（4）, be located at the push-and-pull
Mechanism（4）On workpiece polishing mechanism（5）And with the push-pull mechanism（4）The inside guiding mechanism of connection（6）.
2. the inside sanding apparatus for large-diameter cylinder body according to claim 1, it is characterised in that：The polishing
Mechanism（5）Including grinding head（501）And the grinding head（501）The splined shaft being fixedly connected（502）, for installing the flower
Key axis（502）Splined sleeve（503）, be located at the splined sleeve（503）Spline（504）In bottom resilient portion
（506）With lateral elasticity portion（507）And for driving the splined sleeve（503）Rotating motor（508）.
3. the inside sanding apparatus for large-diameter cylinder body according to claim 2, it is characterised in that：The bottom
Elastic portion（506）Including with the spline（504）The base channel communicated（5061）, be located at the base channel（5061）In and portion
Divide and stretch into the spline（504）In multiple steel balls（5062）And it is located at the base channel（5061）Bottom and inside is full of
The bottom rubber bag tank of hydraulic oil（5063）.
4. the inside sanding apparatus according to claim 2 for large-diameter cylinder body, it is characterised in that：The lateral bullet
Property portion（507）Including lateral cavity（5071）And the lateral cavity（5071）The multiple lateral grooves communicated（5072）, be located at institute
State lateral cavity（5071）The interior and internal sidepiece rubber bag tank full of hydraulic oil（5073）And it is located at the sidepiece rubber bag tank
（5073）The spline is stretched into upper and one end（504）In multiple bearing plates（5074）.
5. the inside sanding apparatus according to claim 4 for large-diameter cylinder body, it is characterised in that：The multiple pressure-bearing
Plate（5074）Stretch into the spline（504）Length with away from the spline（504）Bottom surface and gradually shorten.
6. the inside sanding apparatus according to claim 1 for large-diameter cylinder body, it is characterised in that：The elevator
Structure（3）Including being located at the bottom bracket（1）On lifting motor（301）And the lifting motor（301）The lifting rolling of connection
Ballscrew（302）And the lifting ball screw（302）The lifting slider being spirally connected（303）And with the lifting slider（303）
The riser guide of cooperation（304）.
7. the inside sanding apparatus according to claim 6 for large-diameter cylinder body, it is characterised in that：The push-and-pull machine
Structure（4）Including being located at the lifting slider（303）On cross motor（401）And the cross motor（401）The transverse direction of connection
Ball screw（402）And the transverse ball lead screw（402）The transverse slider being spirally connected（403）And with the transverse slider
（403）The cross slide way of cooperation（404）.
8. the inside sanding apparatus according to claim 1 for large-diameter cylinder body, it is characterised in that：Lead the inside
To mechanism（6）Including, mounting base（601）, be located at the mounting base（601）In rubber sleeve（602）And installed in the rubber
Gum cover（602）In directive wheel（603）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711161178.4A CN107932212B (en) | 2017-11-21 | 2017-11-21 | Inside grinding device for large-diameter cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711161178.4A CN107932212B (en) | 2017-11-21 | 2017-11-21 | Inside grinding device for large-diameter cylinder body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107932212A true CN107932212A (en) | 2018-04-20 |
| CN107932212B CN107932212B (en) | 2019-10-08 |
Family
ID=61929304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711161178.4A Active CN107932212B (en) | 2017-11-21 | 2017-11-21 | Inside grinding device for large-diameter cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107932212B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623551A (en) * | 2019-01-22 | 2019-04-16 | 安徽鑫艺达抛光机械有限公司 | A kind of half tank polishing system |
| CN109746786A (en) * | 2019-01-22 | 2019-05-14 | 安徽鑫艺达抛光机械有限公司 | A kind of half tank grinding device |
| CN110421424A (en) * | 2019-08-02 | 2019-11-08 | 天津丹阳车圈有限公司 | A kind of rim side grinding device |
| CN110722356A (en) * | 2019-10-17 | 2020-01-24 | 西安西电开关电气有限公司 | Welding seam grinding device |
| CN111644908A (en) * | 2020-06-16 | 2020-09-11 | 马鞍山观点信息科技有限公司 | Pipeline equipment of polishing for building house |
| CN112454058A (en) * | 2020-11-16 | 2021-03-09 | 湖南新兴机械制造有限公司 | Sanitation dustbin manufacture equipment |
| CN112548707A (en) * | 2020-12-11 | 2021-03-26 | 武汉大学 | Intelligent roughening equipment and roughening method for large tank body |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2712782B2 (en) * | 1990-08-06 | 1998-02-16 | 松下電器産業株式会社 | Polishing spindle |
| CN101972954A (en) * | 2010-10-21 | 2011-02-16 | 天津赛瑞机器设备有限公司 | Steel pipe inner wall automatic-grinding machine |
| CN202097616U (en) * | 2010-12-31 | 2012-01-04 | 浙江汉成特殊钢管有限公司 | Wall uniform machine for steel tube |
| CN103912570A (en) * | 2013-01-08 | 2014-07-09 | 黄天梵 | High elastic spline telescopic transmission shaft |
| CN105033806A (en) * | 2015-08-19 | 2015-11-11 | 山东永高智能科技有限公司 | Pneumatic control floating type burring machine |
| CN205380524U (en) * | 2016-01-06 | 2016-07-13 | 黄冈师范学院 | Grinder floats |
| CN205465502U (en) * | 2016-03-28 | 2016-08-17 | 沈阳海默数控机床有限公司 | Interior round grinding device |
| CN205734209U (en) * | 2016-05-10 | 2016-11-30 | 南安市瑞欣生物科技有限公司 | A kind of stainless-steel pipe polishing device for inner wall |
| CN206578676U (en) * | 2017-02-06 | 2017-10-24 | 马鞍山市盈天钢业有限公司 | Round tube inner wall derusting, dust arrester |
-
2017
- 2017-11-21 CN CN201711161178.4A patent/CN107932212B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2712782B2 (en) * | 1990-08-06 | 1998-02-16 | 松下電器産業株式会社 | Polishing spindle |
| CN101972954A (en) * | 2010-10-21 | 2011-02-16 | 天津赛瑞机器设备有限公司 | Steel pipe inner wall automatic-grinding machine |
| CN202097616U (en) * | 2010-12-31 | 2012-01-04 | 浙江汉成特殊钢管有限公司 | Wall uniform machine for steel tube |
| CN103912570A (en) * | 2013-01-08 | 2014-07-09 | 黄天梵 | High elastic spline telescopic transmission shaft |
| CN105033806A (en) * | 2015-08-19 | 2015-11-11 | 山东永高智能科技有限公司 | Pneumatic control floating type burring machine |
| CN205380524U (en) * | 2016-01-06 | 2016-07-13 | 黄冈师范学院 | Grinder floats |
| CN205465502U (en) * | 2016-03-28 | 2016-08-17 | 沈阳海默数控机床有限公司 | Interior round grinding device |
| CN205734209U (en) * | 2016-05-10 | 2016-11-30 | 南安市瑞欣生物科技有限公司 | A kind of stainless-steel pipe polishing device for inner wall |
| CN206578676U (en) * | 2017-02-06 | 2017-10-24 | 马鞍山市盈天钢业有限公司 | Round tube inner wall derusting, dust arrester |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109623551A (en) * | 2019-01-22 | 2019-04-16 | 安徽鑫艺达抛光机械有限公司 | A kind of half tank polishing system |
| CN109746786A (en) * | 2019-01-22 | 2019-05-14 | 安徽鑫艺达抛光机械有限公司 | A kind of half tank grinding device |
| CN109623551B (en) * | 2019-01-22 | 2020-05-22 | 安徽鑫艺达抛光机械有限公司 | Half jar system of polishing |
| CN110421424A (en) * | 2019-08-02 | 2019-11-08 | 天津丹阳车圈有限公司 | A kind of rim side grinding device |
| CN110722356A (en) * | 2019-10-17 | 2020-01-24 | 西安西电开关电气有限公司 | Welding seam grinding device |
| CN111644908A (en) * | 2020-06-16 | 2020-09-11 | 马鞍山观点信息科技有限公司 | Pipeline equipment of polishing for building house |
| CN112454058A (en) * | 2020-11-16 | 2021-03-09 | 湖南新兴机械制造有限公司 | Sanitation dustbin manufacture equipment |
| CN112548707A (en) * | 2020-12-11 | 2021-03-26 | 武汉大学 | Intelligent roughening equipment and roughening method for large tank body |
| CN112548707B (en) * | 2020-12-11 | 2021-10-22 | 武汉大学 | Intelligent roughening equipment and roughening method for large tank body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107932212B (en) | 2019-10-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107932212A (en) | Inside sanding apparatus for large-diameter cylinder body | |
| CN106425743B (en) | A kind of imitative aluminium alloy steel wheel hub polishing all-in-one machine | |
| CN105592965B (en) | Machine for honing gear | |
| CN104589166B (en) | Grinding machine in a kind of ductile iron pipe cement lining | |
| CN111390759A (en) | Overturning type positioning and supporting device for bearing machining and manufacturing and using method thereof | |
| CN101347916B (en) | Workstation structure for improved vertical grinder | |
| CN106625100A (en) | Tank weld polishing system | |
| JP6498268B1 (en) | Pipe inner surface treatment equipment | |
| CN204450164U (en) | A kind of vertical cylinder polishing machine | |
| CN113798949A (en) | Engine bearing cap processing equipment | |
| KR100852424B1 (en) | rack forming apparatus of rack bar | |
| CN107756245A (en) | A kind of grinding polisher head | |
| CN105922085A (en) | Polishing device for drill rod | |
| KR20120057036A (en) | Rattle noise preventing type motor driven power-steering system in vehicle | |
| CN109623621A (en) | A kind of outer surface burnishing device of magnesium alloy tubing | |
| CN201863066U (en) | Grinding machine for end face of mandrel | |
| JP2015000459A (en) | Plunger polishing device and polishing method for hydraulic type elevator | |
| CN101837554A (en) | Pull-type follow-up bearing device of long lead screw of machine tool | |
| CN211332633U (en) | Automatic grinding machine for industrial machinery | |
| CN209632955U (en) | A kind of X/Y plane displacement platform of superhigh precision | |
| CN103302561B (en) | A kind of equipment of reconditioning scale on inner surface of pipe | |
| CN107363141B (en) | A kind of cam-type rolling muscle device | |
| CN207289811U (en) | A kind of headstock structure of polished machine | |
| CN216228368U (en) | Grinding device is used in processing of auto parts hydro-cylinder body | |
| CN107971528A (en) | A kind of automobile rocker axis borehole drill construction automatic-lifting type drilling moving mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190909 Address after: 362000 Quanzhou City, Fujian Province Taiwan Investment Zone Zhang ban town Xia Gong Village No. 156 Applicant after: Quanzhou Taiwan investment zone Da Qian Machinery Technology Co., Ltd. Address before: 313000 East Street 158-1, Chengshe New Street, Zhili Town, Huzhou City, Zhejiang Province Applicant before: Zhejiang Zhenxing Axiang Group Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180420 Assignee: Quanzhou Taishang investment zone Xingtian Industrial Design Co., Ltd Assignor: Quanzhou Taiwan investment zone Da Qian Machinery Technology Co., Ltd. Contract record no.: X2020350000002 Denomination of invention: Internal grinding device for large-diameter cylinder Granted publication date: 20191008 License type: Common License Record date: 20200108 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Quanzhou Taishang investment zone Xingtian Industrial Design Co.,Ltd. Assignor: QUANZHOU TAIWANESE INVESTMENT ZONE DAQIAN MACHINERY TECHNOLOGY Co.,Ltd. Contract record no.: X2020350000002 Date of cancellation: 20200603 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201208 Address after: No. 18, Yanjiang Road, Xinqiao Town, Jingjiang City, Taizhou City, Jiangsu Province, 214500 Patentee after: Jiangsu Shuanglian Metallurgical Machinery Manufacturing Co.,Ltd. Address before: 362000 Quanzhou City, Fujian Province Taiwan Investment Zone Zhang ban town Xia Gong Village No. 156 Patentee before: QUANZHOU TAIWANESE INVESTMENT ZONE DAQIAN MACHINERY TECHNOLOGY Co.,Ltd. |