CN106181749B - A kind of hydraulic gyration grinder - Google Patents
A kind of hydraulic gyration grinder Download PDFInfo
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- CN106181749B CN106181749B CN201610683385.5A CN201610683385A CN106181749B CN 106181749 B CN106181749 B CN 106181749B CN 201610683385 A CN201610683385 A CN 201610683385A CN 106181749 B CN106181749 B CN 106181749B
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- angling cylinder
- lifting platform
- assembly
- disk
- grinder
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims abstract description 5
- 230000009183 running Effects 0.000 claims abstract description 4
- 108091006146 Channels Proteins 0.000 claims description 28
- 239000002826 coolant Substances 0.000 claims description 16
- 238000001802 infusion Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 102000010637 Aquaporins Human genes 0.000 claims description 2
- 108010063290 Aquaporins Proteins 0.000 claims description 2
- 239000002184 metal Substances 0.000 abstract description 8
- 229910052751 metal Inorganic materials 0.000 abstract description 8
- 238000005498 polishing Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The present invention relates to metal polishing machine mechanical field, more particularly to a kind of hydraulic gyration grinder, include the grinding assembly of at least one independent operation, the grinding assembly is provided with revolving bed and the multiple abrasive disks being arranged on revolving bed, revolving bed is rotated by the first angling cylinder driving, and each abrasive disk is accordingly rotated by the second angling cylinder driving；Lifting assembly, its first drive mechanism for being provided with lifting platform and the lifting platform in the vertical direction being driven to move, grinding assembly is on lifting platform；Plate transfer assembly, it is located at the lower section of the lifting platform of lifting assembly, and is provided with two roll shafts be arrangeding in parallel, and the second drive mechanism that one of roll shaft can be driven to rotate；And fuel feeding component, it is provided with hydraulic pump, and hydraulic oil is conveyed to the first angling cylinder and the second angling cylinder by hydraulic pump, so that the first angling cylinder and the second angling cylinder being capable of continuous runnings.
Description
Technical field
The present invention relates to metal polishing machine mechanical field, more particularly to a kind of hydraulic gyration grinder.
Background technology
The rapid development of modern industry proposes higher requirement, particularly sheet metal to the surface quality of workpiece if not
Become rusty steel sheet, and copper coin is using mirror effect when being incrustation with greater need for high quality, it is therefore desirable to using grinder to thin plate
Sheet material is ground polishing；But current polisher lapper, generally use traditional motor drive gear drive, so as to drive
The revolving bed and abrasive disk of grinder rotate；It is excessively huge using the gear drive of such a mode, and the biography between gear
Dynamic precision is difficult to control, so as to limit the polishing precision of metal；In addition, gear-driven noise is bigger, workshop ring is influenceed
Border, gear drive need intermittent oiling, cause oil leakage to influence quality of finish to polished metal surface.
In addition, existing grinder generally use external world sparge pipe is cooled down and added lapping liquid to abrasive disk, so
Cause abrasive disk inhomogeneous cooling even, the skewness of coolant, equally can also influence the quality of finish of metal surface.
The content of the invention
It is an object of the invention to provide a kind of small volume, precision height, the less hydraulic gyration grinder of noise are polished, with
Improve the quality of finish of grinder.
To achieve these goals, the invention provides a kind of hydraulic gyration grinder, it is characterised in that including at least
The grinding assembly of one independent operation, the grinding assembly are provided with revolving bed and the multiple abrasive disks being arranged on the revolving bed,
The revolving bed is rotated by the driving of first angling cylinder, and each abrasive disk accordingly passes through one the
Two-revolution hydraulic oil cylinder driving and rotate；Lifting assembly, it is provided with lifting platform and can drive the lifting platform in vertical direction
First drive mechanism of upper motion, the grinding assembly is on the lifting platform；Plate transfer assembly, it is located at the lifting
The lower section of the lifting platform of component, and be provided with two roll shafts be arrangeding in parallel, and can drive that one of roll shaft rotates the
Two drive mechanisms；And fuel feeding component, it is provided with hydraulic pump, and hydraulic oil is conveyed to the first revolution oil by the hydraulic pump
Cylinder and the second angling cylinder, so that first angling cylinder and the second angling cylinder being capable of continuous runnings.
Preferably, the hydraulic gyration grinder also includes portal frame, and the bottom of the portal frame is provided with loading
Platform, the plate transfer assembly are located at the side of the objective table；First is equipped with the inside of the left and right trailing arm of the portal frame
Guide rail, the both ends of the lifting platform are connected on first guide rail across ground, and positioned at the surface of the objective table.
Preferably, the lifting platform is abreast provided with two the second guide rails, described in the grinding assembly from two
Pass through, and can be arranged on moving on second guide rail along second guide rail between second guide rail；The lifting assembly
First drive mechanism includes the first motor and two feed screw nut pairs, the screw mandrel of two feed screw nut pairs correspond respectively
Ground is set parallel with first guide rail, and the nut of two feed screw nut pairs is fixed on the top arm of the portal frame, institute
The one end for stating screw mandrel is connected with the lifting platform, and the other end of the screw mandrel spins with the nut, the first motor driving
The nut rotation, so that the screw mandrel drives the lifting platform to be moved along first guide rail.
Preferably, the revolving bed includes pedestal and gyroaxis, and the pedestal is in the axle around the gyroaxis
Multiple mounting holes are evenly equipped with the circumference of line, multiple abrasive disks are correspondingly disposed in the mounting hole, described first time
Turn oil cylinder and the gyroaxis is coaxially connected.
Preferably, the abrasive disk includes disk body and drive shaft, and the disk body is socketed in the drive shaft, institute
Output shaft and the drive shaft for stating the second angling cylinder are coaxially connected.
Preferably, the drive shaft centrally along its axis offers coolant transfer passage, the coolant
The lower end of transfer passage penetrates the lower surface of the drive shaft, in the opening position suitable with the upper end of the coolant transfer passage
First annular inlet channel is offered around the periphery wall of the drive shaft, it is logical that the drive shaft is radially further opened with connection
Road, the interface channel connect the first annular inlet channel with the upper end of the coolant transfer passage；In the driving
The opening position that the first annular inlet channel of axle is suitable is hermetically arranged with infusion disk, and the inner ring side of the infusion disk offers second
Annular intake tunnel, the second annular intake tunnel connects with the first annular intake tunnel corresponding matching, described defeated
Inlet channel is radially offered on liquid disk, the inlet channel connects with the described second annular inlet channel.
Preferably, the water storage passage that twice are in right-angled intersection, the storage are radially offered on the disk body
Connected at the right-angled intersection point of aquaporin with the bottom of the disk body；The side of the disk body radially offers exhalant canal,
The exhalant canal connects with the water storage passage.
The hydraulic gyration grinder of the present invention, revolving bed rotary motion is driven using the first angling cylinder, while using the
Two-revolution hydraulic oil cylinder driving abrasive disk rotates, so as to significantly reduce the volume of grinder, and the first angling cylinder and second
The precision of angling cylinder is controllable, so as to improve the grinding precision of grinder；In addition, the rotational noise of angling cylinder is smaller, no
Workshop condition is influenceed, and need not be lubricated, avoids the lapped face of lubricant pollution metal, causes what grinding quality declined
Problem.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the hydraulic gyration grinder of the embodiment of the present invention；
Fig. 2 is the structural representation of the lifting assembly of the hydraulic gyration grinder of the embodiment of the present invention；
Fig. 3 is the structural representation of the circulation waterway of the abrasive disk of the hydraulic gyration grinder of the embodiment of the present invention；
Fig. 4 is the structural representation of the circulation waterway of the disk body of the abrasive disk of the hydraulic gyration grinder of the embodiment of the present invention
Figure.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
As shown in figure 1, schematically showing the revolution grinder of the embodiment of the present invention, it includes at least one independent fortune
Grinding assembly 2, lifting assembly 3, plate transfer assembly 4 and the fuel feeding component 5 turned.
As shown in figure 1, grinding assembly 2 is two in the present embodiment, this two grinding assemblies 2 are arranged side by side；Grinding group
Part 2 is provided with revolving bed 21 and the multiple abrasive disks 22 being arranged on revolving bed 21, and each revolving bed 21 passes through one first revolution
Oil cylinder 10 is driven and rotated, and each abrasive disk 22 is accordingly driven by second angling cylinder 20 and revolved to do
Transhipment is dynamic.
As shown in figure 1, the hydraulic gyration grinder in the present embodiment also includes portal frame 1, the bottom of the portal frame 1 is provided with
Objective table (non-label), plate is ground for placing, plate transfer assembly 4 is located at the side of objective table；Portal frame it is left and right
The first guide rail 12 is equipped with the inside of trailing arm.
With reference to shown in Fig. 1 and Fig. 2, lifting assembly 3 is provided with lifting platform 31 and can drive the lifting platform 31 in the present embodiment
First drive mechanism of in the vertical direction motion, grinding assembly 2 on the lifting platform 31, the both ends of lifting platform 31 be equipped with
The guide groove 36 that first guide rail 12 is engaged, and positioned at the surface of objective table.
Lifting platform 31 is abreast provided with two the second guide rails 311, and grinding assembly 2 passes through between two the second guide rails 311,
And coordinated by roller 312 on the second guide rail 311, grinding assembly 2 can be moved by roller 312 on the second guide rail 311,
To adjust the abrasive areas of grinding assembly 2；The first drive mechanism (non-label) of lifting assembly 3 includes the first motor 32 and two
Feed screw nut pair 33, the screw mandrel 331 of two feed screw nut pairs 33 are set parallel with two the first guide rails 12 correspondingly respectively,
The nut 332 of two feed screw nut pairs 33 is fixed on the top arm 11 of portal frame 1, and one end of screw mandrel 331 is connected with lifting platform 31,
The other end of screw mandrel 331 is spun with nut 332, and the first motor 32 is rotated by the drive nut 332 of sprocket wheel transmission piece 34, the first electricity
Machine 32 is located at one end of the top arm 11 of portal frame 1, and the sprocket wheel transmission piece 34 of the top arm other end is connected by power transmission shaft 35 to transmit
Moment of torsion, so that screw mandrel 331 drives lifting platform 31 to be moved along the first guide rail 12, so as to realize the abrasive disk 22 of grinding assembly 2
Bottom is contacted with plate to be ground, and plate is ground.
As shown in figure 1, the plate transfer assembly 4 in the present embodiment is located at the lower section of the lifting platform 31 of lifting assembly 3, and set
There are two roll shafts be arrangeding in parallel 41, and the second drive mechanism 42 that one of roll shaft 41 can be driven to rotate, it is to be ground
Plate is sent on objective table by roll shaft 41, so that grinding assembly 2 is ground.
As shown in figure 1, the fuel feeding component 5 in the present embodiment is provided with hydraulic pump 51, hydraulic oil is conveyed to by hydraulic pump 51
The angling cylinder 20 of single-revolution oil cylinder 10 and second, so that the first angling cylinder 10 and the second angling cylinder 20 being capable of continuous runnings.
As shown in figure 1, revolving bed 21 includes pedestal 211 and gyroaxis 212, the pedestal 211 is in the axle around gyroaxis 212
Multiple mounting holes (non-label) are evenly equipped with the circumference of line, multiple abrasive disks 22 are correspondingly disposed in mounting hole, the first revolution
Oil cylinder 10 and gyroaxis 212 are coaxially connected.
With reference to shown in Fig. 1 and Fig. 3, abrasive disk 22 includes disk body 221 and drive shaft 222, and disk body 221 is socketed in drive shaft
On 222, the output shaft and drive shaft 222 of the second angling cylinder 20 are coaxially connected；Opened up in drive shaft 222 centrally along its axis
There are coolant transfer passage 6, the lower surface of the lower end insertion drive shaft 222 of coolant transfer passage 6, logical with coolant conveying
The opening position that the upper end in road 6 is suitable offers first annular inlet channel 7, drive shaft 222 along its around the periphery wall of drive shaft 222
Interface channel 8 is radially further opened with, interface channel 8 connects the upper end of the first annular inlet channel 7 and coolant transfer passage 6
It is logical；Infusion disk 23, the inner ring of infusion disk are hermetically arranged with the suitable opening position of the first annular inlet channel 7 of drive shaft 222
Side offers the second annular intake tunnel 9, and the both sides of the second annular intake tunnel 9 are sealed by sealing ring 24 and drive shaft 222
Connection, the second annular intake tunnel 9 are connected with the first annular corresponding matching of intake tunnel 7, radially opened on infusion disk 23
Provided with inlet channel 13, inlet channel 13 connects with the second annular inlet channel 9；When abrasive disk 22 rotates, infusion disk 23 is static, abrasive disk
22 drive shafts 222 rotate relative to the inner ring of infusion disk 23, and inlet channel 13 can external water inlet pipe or grinding liquid pipe.
With reference to shown in Fig. 3 and Fig. 4, the water storage passage 25 that twice are in right-angled intersection is radially offered on disk body 221,
Connected at the right-angled intersection point of water storage passage 25 with the bottom of disk body 221；The side of disk body 221 radially offers exhalant canal
26, the exhalant canal 26 connects with water storage passage 25.
Coolant or lapping liquid flow into infusion disk 23 by inlet channel 13 and pass sequentially through the second annular inlet channel 9, first
After annular inlet channel 7, interface channel 8, coolant transfer passage 6, be delivered in the water storage passage 25 of disk body 221, and respectively from
The bottom of disk body 221 and exhalant canal 26 reach lapped face, so as to ensure that the disk body 211 of abrasive disk 22 can obtain
Even cooling, and lapping liquid can be enable to be evenly dispersed on lapped face, so as to improve the grinding matter of lapped face
Amount；Coolant or the structure of lapping liquid conveying assembly are set in the outside of grinding assembly 2 in addition, having given up, simplify grinding group
The structure of part 2 so that the structure of grinding assembly 2 is compacter.
In summary, the hydraulic gyration grinder of the embodiment of the present invention, revolving bed 21 is driven using the first angling cylinder 10
Rotary motion, while rotated using the second angling cylinder 20 driving abrasive disk 22, so as to significantly reduce the volume of grinder,
And the precision of the first angling cylinder 10 and the second angling cylinder 20 is controllable, so as to improve the grinding precision of grinder；In addition,
The rotational noise of angling cylinder is smaller, does not influence workshop condition, and need not lubricate, and avoids grinding for lubricant pollution metal
Grind surface, the problem of causing grinding quality to decline.
In addition, the circulation waterway of abrasive disk may insure that the disk body 211 of abrasive disk 22 can be cooled down uniformly, and energy
Enough lapping liquid is set to be evenly dispersed on lapped face, so as to improve the grinding quality of lapped face；Also, give up
In the outside structure for setting coolant or the structure of lapping liquid conveying assembly, simplifying grinding assembly 2 of grinding assembly 2 so that
The structure of grinding assembly 2 is compacter.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, some improvement and replacement can also be made, these improve and replaced
Also it should be regarded as protection scope of the present invention.
Claims (7)
- A kind of 1. hydraulic gyration grinder, it is characterised in that including,The grinding assembly of at least one independent operation, the grinding assembly are provided with revolving bed and are arranged on multiple on the revolving bed Abrasive disk, the revolving bed is rotated by the first angling cylinder driving, and each abrasive disk accordingly leads to Cross the second angling cylinder driving and rotate；Lifting assembly, its first drive mechanism for being provided with lifting platform and the lifting platform in the vertical direction being driven to move, institute Grinding assembly is stated on the lifting platform；Plate transfer assembly, it is located at the lower section of the lifting platform of the lifting assembly, and is provided with two roll shafts be arrangeding in parallel, with And the second drive mechanism that one of roll shaft can be driven to rotate；And fuel feeding component, it is provided with hydraulic pump, and hydraulic oil is conveyed to first angling cylinder and second by the hydraulic pump Angling cylinder, so that first angling cylinder and the second angling cylinder being capable of continuous runnings.
- 2. hydraulic gyration grinder according to claim 1, it is characterised in that the hydraulic gyration grinder also includes dragon Door frame, the bottom of the portal frame are provided with objective table, and the plate transfer assembly is located at the side of the objective table；Described gantry The first guide rail is equipped with the inside of the left and right trailing arm of frame, the both ends of the lifting platform are connected on first guide rail across ground, and Positioned at the surface of the objective table.
- 3. hydraulic gyration grinder according to claim 2, it is characterised in that the lifting platform is abreast provided with two the Two guide rails, the grinding assembly pass through between two second guide rails, and can be arranged on moving along second guide rail On second guide rail；First drive mechanism of the lifting assembly includes the first motor and two feed screw nut pairs, two institutes The screw mandrel for stating feed screw nut pair is set parallel with first guide rail correspondingly respectively, the spiral shell of two feed screw nut pairs Mother is fixed on the top arm of the portal frame, and one end of the screw mandrel is connected with the lifting platform, the other end of the screw mandrel with The nut spins, and first motor drives the nut rotation, so that the screw mandrel drives the lifting platform along described the One guide rail moves.
- 4. hydraulic gyration grinder according to claim 1, it is characterised in that the revolving bed includes pedestal and revolution Axle, the pedestal are evenly equipped with multiple mounting holes on the circumference around the axis of the gyroaxis, and multiple abrasive disks are corresponding Ground is arranged in the mounting hole, and first angling cylinder and the gyroaxis are coaxially connected.
- 5. hydraulic gyration grinder according to claim 1, it is characterised in that the abrasive disk includes disk body and driving Axle, the disk body are socketed in the drive shaft, and the output shaft of second angling cylinder and the drive shaft are coaxially connected.
- 6. hydraulic gyration grinder according to claim 5, it is characterised in that the drive shaft is opened centrally along its axis Provided with coolant transfer passage, the lower end of the coolant transfer passage penetrates the lower surface of the drive shaft, with it is described cold But the suitable opening position in the upper end of liquid transfer passage offers first annular inlet channel around the periphery wall of the drive shaft, described Drive shaft is radially further opened with interface channel, and the interface channel is defeated by the first annular inlet channel and the coolant The upper end of passage is sent to connect；Infusion disk is hermetically arranged with the suitable opening position of the first annular inlet channel of the drive shaft, The inner ring side of the infusion disk offers the second annular intake tunnel, the second annular intake tunnel with it is described it is first annular enter Aquaporin corresponding matching is connected, and inlet channel, the inlet channel and second ring are radially offered on the infusion disk Shape inlet channel connects.
- 7. hydraulic gyration grinder according to claim 6, it is characterised in that radially offer two on the disk body Road is in the water storage passage of right-angled intersection, is connected at the right-angled intersection point of the water storage passage with the bottom of the disk body；The disk The side of body radially offers exhalant canal, and the exhalant canal connects with the water storage passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683385.5A CN106181749B (en) | 2016-08-18 | 2016-08-18 | A kind of hydraulic gyration grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683385.5A CN106181749B (en) | 2016-08-18 | 2016-08-18 | A kind of hydraulic gyration grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106181749A CN106181749A (en) | 2016-12-07 |
| CN106181749B true CN106181749B (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610683385.5A Active CN106181749B (en) | 2016-08-18 | 2016-08-18 | A kind of hydraulic gyration grinder |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955146A (en) * | 2018-05-14 | 2019-07-02 | 东莞市纳智自动化机械有限公司 | A batch grinding head with adjustable pressure and sufficient cooling of ceramic materials |
| CN112895193B (en) * | 2021-04-10 | 2022-07-15 | 威海市新兴化工科技有限公司 | Tire finishing liquid processing grinder and technological process thereof |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2724427B2 (en) * | 1992-04-02 | 1998-03-09 | 株式会社関西プラント工業 | Polishing method and apparatus for flat plate |
| JP4636485B2 (en) * | 2002-09-30 | 2011-02-23 | Ｓｕｍｃｏ Ｔｅｃｈｘｉｖ株式会社 | Lapping machine |
| KR200438374Y1 (en) * | 2006-10-16 | 2008-02-13 | 씨엠티 주식회사 | Top plate flatness maintenance and deformation prevention device of large grinder |
| CN101357447A (en) * | 2008-09-02 | 2009-02-04 | 河南安飞电子玻璃有限公司 | Plate glass surface grinding device and method |
| CN102581747A (en) * | 2011-01-13 | 2012-07-18 | 宜昌市亿凌科技开发有限公司 | Runner collar grinding equipment |
| CN203380744U (en) * | 2013-07-09 | 2014-01-08 | 阳程（佛山）科技有限公司 | Machine for removing colloidal particles on polished steel plate |
| CN203680005U (en) * | 2013-12-27 | 2014-07-02 | 湖南宇晶机器股份有限公司 | Polishing solution splitting device of curved polishing machine |
| CN103846794B (en) * | 2014-03-03 | 2016-03-23 | 朱联江 | A kind of grinding head mechanism adopting hydro-cushion |
| CN204221612U (en) * | 2014-11-12 | 2015-03-25 | 桐乡胜辉精密机械有限公司 | A kind of rotatable sanding apparatus |
| CN204748223U (en) * | 2015-06-06 | 2015-11-11 | 黄月怀 | Novel first unit height -adjustable's of grinding mill |
| CN204935346U (en) * | 2015-09-18 | 2016-01-06 | 佛山市金琪瑞机械设备有限公司 | A kind of mirror grinding machine |
| CN206010772U (en) * | 2016-08-18 | 2017-03-15 | 肇庆市森美金属有限公司 | A kind of hydraulic gyration grinder |
-
2016
- 2016-08-18 CN CN201610683385.5A patent/CN106181749B/en active Active
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| CN106181749A (en) | 2016-12-07 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hydraulic revolving mill Effective date of registration: 20181207 Granted publication date: 20180227 Pledgee: China Co truction Bank Corp Foshan branch Pledgor: ZHAOQING SENMEI METAL CO., LTD. Registration number: 2018440000354 |
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Date of cancellation: 20210122 Granted publication date: 20180227 Pledgee: China Co. truction Bank Corp Foshan branch Pledgor: ZHAOQING SENMEI METAL Co.,Ltd. Registration number: 2018440000354 |
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Denomination of invention: A hydraulic rotary grinder Effective date of registration: 20210126 Granted publication date: 20180227 Pledgee: China Co. truction Bank Corp Foshan branch Pledgor: ZHAOQING SENMEI METAL Co.,Ltd. Registration number: Y2021980000676 |