CN109048677B - Large-scale environmental protection panel annular hole polishing grinding device for building - Google Patents
Large-scale environmental protection panel annular hole polishing grinding device for building Download PDFInfo
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- CN109048677B CN109048677B CN201811022614.4A CN201811022614A CN109048677B CN 109048677 B CN109048677 B CN 109048677B CN 201811022614 A CN201811022614 A CN 201811022614A CN 109048677 B CN109048677 B CN 109048677B
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- ring groove
- annular
- polishing
- wall
- liquid injection
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- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
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- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
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- 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
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- 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
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
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- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the field of buildings, in particular to a polishing and grinding device for annular holes of large-scale environment-friendly plates for buildings. The polishing abrasive layer of the annular column head can contact the inner wall and the outer wall of the annular hole only when polishing liquid is injected into the annular column head, so that the requirement on the manufacturing precision is greatly reduced, and meanwhile, a brand-new circulating polishing liquid system is designed, can take away fine scraps generated in the polishing and grinding process and keep the wall surface clean, and has a better effect compared with the conventional polishing liquid feeding device.
Description
Technical Field
The invention relates to the field of buildings, in particular to a polishing and grinding device for annular holes of large-scale environment-friendly plates for buildings.
Background
The annular hole is an annular hole with an inner wall and an outer wall, and in some environment-friendly plates, the annular hole is required to be formed besides a commonly used through hole. At present, no special electric tool which is specially used for polishing and grinding the inner wall and the outer wall of the annular hole at the same time exists in the market, and particularly for large plates, if manual polishing and grinding are simply adopted, the special electric tool wastes time and labor, and is not beneficial to automatic improvement and upgrading of a production line.
Polishing and grinding of the annular hole have two difficulties: 1. because the annular hole is provided with the inner wall and the outer wall at the same time, if the inner wall and the outer wall need to be polished and polished at the same time, the requirement on the manufacturing precision of the polishing column head is higher, and if the size of the polishing column head is too large, the polishing column head cannot be inserted into the annular hole; if the size of the sharpening head is too small, although the sharpening head can be inserted into the annular hole, the side wall of the sharpening head can not effectively contact the inner wall and the outer wall of the annular hole, and a good sharpening effect can not be achieved. In particular, after a long-term wear of the grinding head, the accuracy of the grinding head is further reduced, on the basis of which it is preferable to develop a grinding head with a self-adjusting, self-expanding function. 2. Polishing solution's application, the polishing solution that all can add among the polishing process, and can constantly produce the fines among the polishing process, and the fines of this part need quantitative clearance, if adopt traditional not circulation polishing solution addition mode, one is unfavorable for the emission of fines, and two come along with the increase of fines in the polishing solution, polishing effect of polishing also can greatly reduced.
Disclosure of Invention
Aiming at the problems, the invention provides a polishing and grinding device for annular holes of large-scale environment-friendly plates for buildings.
The purpose of the invention is realized by adopting the following technical scheme:
a polishing and grinding device for annular holes of large-scale environment-friendly boards for buildings comprises a rotary motor, a cover plate and an annular column head, wherein the rotary motor is fixedly connected with the upper end of the cover plate through a connecting rod, the annular column head is integrally positioned at the lower end of the cover plate, the side surface of the rotary motor is fixedly connected with a movable plate through two Contraband-shaped support columns, the upper end of the movable plate is fixedly connected with a movable column driven by a hydraulic cylinder, the hydraulic cylinder is fixedly connected to the lower end of a fixed plate, and a leakage-;
the polishing abrasive layer is laid on the outer wall of the circumference of the outer shell, the inner wall of the circumference of the inner shell and the outer side of the bottom wall of the annular column head; a filling space is formed between the outer shell and the inner shell, the upper end of the filling space is communicated with a liquid injection pipe which is inserted in the cover plate in a penetrating way, the liquid injection pipe is communicated with the outlet of a liquid injection pump, the inlet of the liquid injection pump is communicated with the transfer box, and a first control valve is arranged on the liquid injection pipe;
a liquid passing groove is formed in the bottom wall of the annular column head, the middle of the liquid injection pipe is communicated with two circulating liquid inlet pipes, each circulating liquid inlet pipe is opened on the liquid passing groove, overflow holes are formed in the upper portions of the side walls of the two sides of the annular column head, a return pipe is inserted into each overflow hole and is communicated with the upper end of the transfer box, a horizontal precise filter screen is arranged on the upper portion of the transfer box, and a second control valve is arranged on each circulating liquid inlet pipe;
the upper end of the inner shell is fixedly connected with a plurality of inward first L-shaped columns at intervals, the upper end of the outer shell is fixedly connected with a plurality of outward second L-shaped columns at intervals, the cover plate is hollow and provided with an inner ring groove, the lower end of the inner ring groove is communicated with an inner connecting ring groove, the vertical part of each first L-shaped column is positioned in the inner connecting ring groove, and the horizontal part of each first L-shaped column is positioned in the inner ring groove; the cover plate is also provided with an outer ring groove, the lower end of the outer ring groove is communicated with an outer connecting ring groove, the vertical part of the second L-shaped column is positioned in the outer connecting ring groove, and the horizontal part of the second L-shaped column is positioned in the outer ring groove; the horizontal part of each first L-shaped column is fixedly connected with the inner wall of the inner ring groove through a spring, the horizontal part of each second L-shaped column is fixedly connected with the inner wall of the outer ring groove through a spring, and the outer connecting ring groove and the inner connecting ring groove are both opened at the lower end of the cover plate.
The invention has the beneficial effects that: 1. the brand-new expandable annular column cap is developed, and only when polishing liquid is injected into the annular column cap, the polishing abrasive layer of the annular column cap can contact the inner wall and the outer wall of the annular hole, so that the requirement on the manufacturing precision is greatly reduced, the annular column cap cannot be inserted into the annular hole due to too large size or cannot be polished well due to small manufacturing errors, and the range of the annular hole opening which can be adapted to is greatly increased. And the abrasion of the annular column head caused by long-term use is not considered too much, and the application range of the material is greatly improved. 2. A brand-new circulating polishing solution system is designed, the circulating polishing solution system can take away fine scraps generated in the polishing and grinding process and keep the wall surface clean, and the circulating polishing solution system has a good effect compared with the traditional polishing solution feeding device. 3. When the liquid filling pump stops operating, the first control valve is automatically opened, and after the pressure in the filling space disappears, the annular column head can be automatically contracted into an original shape under the restoring force of the spring, so that the cover plate and the annular column head can be conveniently lifted, and the next annular hole can be rapidly processed.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a block diagram of an annular ring to be machined;
FIG. 2 is a front cross-sectional view of the grinding apparatus (for clarity of view, the inner ring groove, the outer ring groove, the first L-shaped post, the second L-shaped post, etc., are not shown in this figure, these components being shown separately in FIG. 3);
FIG. 3 is a front cross-sectional view of the associated fitting component of the annular stud;
FIG. 4 is a shape view of an outer ring groove and an outer connecting ring groove;
FIG. 5 is a shape view of an inner ring groove and an inner connecting ring groove;
FIG. 6 is an upper perspective view of the annular stud;
FIG. 7 is a lower perspective view of the annular stud;
FIG. 8 is a perspective view showing the spatial configuration of the liquid pouring spout and the circulating liquid inlet spout;
fig. 9 is an external perspective view of the polishing and grinding apparatus.
Detailed Description
The invention is further described with reference to the following examples.
Fig. 1 shows an annular ring 1 to be machined, which has an inner wall 2 and an outer wall 3.
Referring to fig. 2-9, the polishing and grinding device for annular holes of large-sized environmental-friendly boards for buildings comprises a rotary motor 4, a cover plate 5 and an annular column head 6, wherein the rotary motor 4 is fixedly connected with the upper end of the cover plate 5 through a connecting rod 7, the annular column head 6 is integrally positioned at the lower end of the cover plate 5, the side surface of the rotary motor 4 is fixedly connected with a movable plate 8 through two Contraband-shaped support columns 40, the upper end of the movable plate 8 is fixedly connected with a movable column 10 driven by a hydraulic cylinder 9, the hydraulic cylinder 9 is fixedly connected with the lower end of a fixed plate 11 (the fixed plate 11 is fixed and can be fixedly connected to a nearby upright column or a frame), and a leakage.
The annular column cap 6 made of synthetic rubber is provided with an outer shell 13 with an opening at the upper end, an inner shell 14 is fixedly connected to the bottom wall of the outer shell 13, the inner shell 14 is a shell with openings at the upper end and the lower end, the synthetic rubber has a certain expansion coefficient, and polishing abrasive layers 15 are laid on the outer circumferential wall of the outer shell 13, the inner circumferential wall of the inner shell 14 and the outer side of the bottom wall of the annular column cap 6; a filling space 16 is formed between the outer shell 13 and the inner shell 14, the upper end of the filling space 16 is communicated with a liquid injection pipe 17 inserted in the cover plate 5, the liquid injection pipe 17 is communicated with the outlet of a liquid injection pump 18, the inlet of the liquid injection pump 18 is communicated with a transfer box 19, and a first control valve 20 is arranged on the liquid injection pipe 17. The transit box 19 is filled with polishing liquid, and the specific volume of the transit box 19 is selected by a person skilled in the art according to specific conditions.
Seted up on the diapire of annular column cap 6 and led to cistern 21, it has two circulation liquid inlet pipes 22 to annotate liquid 17 middle part intercommunication, and every circulation liquid inlet pipe 22 opening has been seted up on leading to cistern 21 on the both sides lateral wall upper portion of annular column cap 6, alternates back flow 24 in every overflow hole 23, and back flow 24 and transfer case 19 upper end intercommunication, transfer case 19 upper portion is provided with horizontal precision filter screen, is provided with second control valve 26 on every circulation liquid inlet pipe 22.
A plurality of inward first L-shaped columns 27 are fixedly connected to the upper end of the inner shell 14 at intervals, a plurality of outward second L-shaped columns 28 are fixedly connected to the upper end of the outer shell 13 at intervals, an inner annular groove 29 is formed in the cover plate 5 in a hollow mode, the lower end of the inner annular groove 29 is communicated with an inner connecting annular groove 30, the vertical portion 31 of each first L-shaped column is located in the inner connecting annular groove 30, and the horizontal portion 32 of each first L-shaped column is located in the inner annular groove 29; the cover plate 5 is further provided with an outer ring groove 32, the lower end of the outer ring groove 32 is communicated with an outer connecting ring groove 33, the vertical part 34 of the second L-shaped column is positioned in the outer connecting ring groove 33, and the horizontal part 35 of the second L-shaped column is positioned in the outer ring groove 32; the horizontal portion 32 of each first L-shaped pillar is fixedly connected to the inner wall of the inner annular groove 29 by a spring 36, the horizontal portion 35 of each second L-shaped pillar is fixedly connected to the inner wall of the outer annular groove 32 by a spring 36, and the outer connection ring groove 33 and the inner connection ring groove 30 are both opened at the lower end of the cover plate 5.
Preferably, the liquid injection pump 18 and the transfer case 19 are both fixed to the upper end of the lid 5, and the liquid injection pipe 17 has two branches.
Preferably, the infusion pump 18 is powered by a battery compartment 37 in the lid 5.
As a further preferable scheme, the rotating speed of the rotating motor 4 is 15r/min-100 r/min; when the polishing abrasive layer 15 contacts the inner wall 2 and the outer wall 3 of the annular hole, the real-time power of the liquid injection pump 18 is not more than two thirds of the rated power thereof. The working pressure of the hydraulic cylinder 9 is based on the fact that liquid does not leak basically near the anti-leakage rubber layer, and the working pressure is not suitable to be too high or too low.
As a further preferred scheme, the circulating liquid inlet pipe 22 and the return pipe 24 are rubber hoses with enough margin, and the through holes 39 where the rubber hoses are located can be made larger, so that the misalignment between the cover plate 5 and the through holes of the inner shell 14 and the outer shell 13 and the misalignment between the cover plate 5 and the through holes of the inner shell 14 and the through holes of the cover plate 5 and the outer shell 13 during the expansion of the inner shell 14 and the outer shell 13 can not cause the hoses to work normally, and the specific size can be selected by a person skilled in the art according to actual needs.
The working principle of the polishing and grinding device is as follows: when the liquid injection pump 18 is not started, as shown in fig. 2, the hydraulic cylinder 9 is started first, the annular column head 6 is inserted into the annular hole 1 to be processed (it is ensured that the cover plate 5 is slightly pressed on the plate to ensure that the leakage-proof rubber layer 12 is tightly contacted with the plate), at this time, the first control valve 20 is opened, the second control valve 26 is closed, then the liquid injection pump 18 is started, then the polishing liquid is injected into the filling space 16 through the liquid injection pipe 17, the filling space 16 is gradually pressurized, so that the inner shell 14 is continuously expanded inwards, the outer shell 13 is continuously expanded outwards, and the bottom wall is continuously expanded downwards (as shown by an arrow in fig. 3) until the polishing abrasive layer of the outer shell 13 contacts the outer wall 3 of the annular hole 1, the polishing abrasive layer of the inner shell 14 contacts the inner wall 2 of the annular hole 1, and the polishing abrasive layer of the bottom wall; meanwhile, in the process, the first L-shaped column 27 overcomes the spring force to move towards the direction of the circle center, the second L-shaped column 28 overcomes the spring force to move away from the direction of the circle center, after the liquid injection is finished, the first control valve 20 is closed, the second control valve 26 is opened, then the polishing liquid flows out from the circulating liquid inlet pipe opening 38 at the bottom end of the liquid through the circulating liquid inlet pipe 22, the polishing liquid continuously flows to a position between the outer shell 13 and the outer wall 3 of the annular hole and between the inner shell 14 and the inner wall 2 of the annular hole through the liquid through groove 21, the liquid level continuously rises (the polishing abrasive layer is a material with a plurality of small bulges on the surface, fluid flowing gaps are formed among the small bulges), and when the liquid level rises to the height of the overflow hole 23, the polishing liquid flows back to the transfer box 19. Then the rotating electrical machines 14 is started, the cover plate 5 and the annular column head 6 are driven by the rotating electrical machines 14 to rotate, the polishing abrasive material layer 15 is used for polishing and grinding the inner wall 2 and the outer wall 3 of the annular hole continuously, meanwhile, in the polishing and grinding process, generated fine chips are taken away by polishing liquid and are left at the upper ends of the horizontal precision filter screens after being filtered by the horizontal precision filter screens.
This annular hole polishing grinding device's beneficial effect: 1. the brand-new expandable annular column cap is developed, and only when polishing liquid is injected into the annular column cap, the polishing abrasive layer of the annular column cap can contact the inner wall and the outer wall of the annular hole, so that the requirement on the manufacturing precision is greatly reduced, the annular column cap cannot be inserted into the annular hole due to too large size or cannot be polished well due to small manufacturing errors, and the range of the annular hole opening which can be adapted to is greatly increased. And the abrasion of the annular column head caused by long-term use is not considered too much, and the application range of the material is greatly improved. 2. A brand-new circulating polishing solution system is designed, the circulating polishing solution system can take away fine scraps generated in the polishing and grinding process and keep the wall surface clean, and the circulating polishing solution system has a good effect compared with the traditional polishing solution feeding device. 3. When the liquid filling pump stops operating, the first control valve is automatically opened, and after the pressure in the filling space disappears, the annular column head can be automatically contracted into an original shape under the restoring force of the spring, so that the cover plate and the annular column head can be conveniently lifted, and the next annular hole can be rapidly processed.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. A polishing and grinding device for annular holes of large-scale environment-friendly boards for buildings is characterized by comprising a rotary motor, a cover plate and an annular column head, wherein the rotary motor is fixedly connected with the upper end of the cover plate through a connecting rod, the annular column head is integrally positioned at the lower end of the cover plate, the side surface of the rotary motor is fixedly connected with a movable plate through two Contraband-shaped support columns, the upper end of the movable plate is fixedly connected with a movable column driven by a hydraulic cylinder, the hydraulic cylinder is fixedly connected with the lower end of a fixed plate, and a leakage;
the polishing abrasive layer is laid on the outer wall of the circumference of the outer shell, the inner wall of the circumference of the inner shell and the outer side of the bottom wall of the annular column head; a filling space is formed between the outer shell and the inner shell, the upper end of the filling space is communicated with a liquid injection pipe which is inserted in the cover plate in a penetrating way, the liquid injection pipe is communicated with the outlet of a liquid injection pump, the inlet of the liquid injection pump is communicated with the transfer box, and a first control valve is arranged on the liquid injection pipe;
a liquid passing groove is formed in the bottom wall of the annular column head, the middle of the liquid injection pipe is communicated with two circulating liquid inlet pipes, each circulating liquid inlet pipe is opened on the liquid passing groove, overflow holes are formed in the upper portions of the side walls of the two sides of the annular column head, a return pipe is inserted into each overflow hole and is communicated with the upper end of the transfer box, a horizontal precise filter screen is arranged on the upper portion of the transfer box, and a second control valve is arranged on each circulating liquid inlet pipe;
the upper end of the inner shell is fixedly connected with a plurality of inward first L-shaped columns at intervals, the upper end of the outer shell is fixedly connected with a plurality of outward second L-shaped columns at intervals, the cover plate is hollow and provided with an inner ring groove, the lower end of the inner ring groove is communicated with an inner connecting ring groove, the vertical part of each first L-shaped column is positioned in the inner connecting ring groove, and the horizontal part of each first L-shaped column is positioned in the inner ring groove; the cover plate is also provided with an outer ring groove, the lower end of the outer ring groove is communicated with an outer connecting ring groove, the vertical part of the second L-shaped column is positioned in the outer connecting ring groove, and the horizontal part of the second L-shaped column is positioned in the outer ring groove; the horizontal part of each first L-shaped column is fixedly connected with the inner wall of the inner ring groove through a spring, the horizontal part of each second L-shaped column is fixedly connected with the inner wall of the outer ring groove through a spring, and the outer connecting ring groove and the inner connecting ring groove are both opened at the lower end of the cover plate.
2. The annular hole polishing and grinding device for the large-scale environment-friendly plates for the buildings as claimed in claim 1, wherein the liquid injection pump and the transfer case are fixedly connected to the upper end of the cover plate, and the liquid injection pipe is provided with two branches.
3. The large-scale environment-friendly plate annular hole polishing and grinding device for the building as claimed in claim 2, wherein the liquid injection pump is powered by a battery box on the cover plate.
4. The large-scale environment-friendly plate annular hole polishing and grinding device for the building as claimed in claim 3, wherein the rotating speed of the rotating motor is 15r/min-100 r/min; when the polishing abrasive layer contacts the inner wall and the outer wall of the annular hole, the real-time power of the liquid injection pump is not more than two thirds of the rated power of the liquid injection pump.
5. The large-scale environment-friendly plate annular hole polishing and grinding device for the buildings as claimed in claim 4, wherein the circulating liquid inlet pipe and the circulating pipe adopt rubber hoses with allowance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022614.4A CN109048677B (en) | 2018-09-03 | 2018-09-03 | Large-scale environmental protection panel annular hole polishing grinding device for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811022614.4A CN109048677B (en) | 2018-09-03 | 2018-09-03 | Large-scale environmental protection panel annular hole polishing grinding device for building |
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| CN109048677A CN109048677A (en) | 2018-12-21 |
| CN109048677B true CN109048677B (en) | 2020-04-21 |
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| CN201811022614.4A Active CN109048677B (en) | 2018-09-03 | 2018-09-03 | Large-scale environmental protection panel annular hole polishing grinding device for building |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3067155A1 (en) * | 2014-08-21 | 2016-09-14 | E & Q One-Touch | Apparatus for attaching/detaching grinding tool for grinder |
| JP2017080851A (en) * | 2015-10-29 | 2017-05-18 | 川崎重工業株式会社 | Polishing device, pressing unit, and polishing method |
| CN107825275A (en) * | 2017-12-05 | 2018-03-23 | 成都尚智恒达科技有限公司 | A kind of environmental protecting device for being used to polish concave groove |
| CN207578136U (en) * | 2017-12-15 | 2018-07-06 | 四川九一零建设工程有限公司 | Robot Bonnet Too l Polishing device |
| CN108340252A (en) * | 2018-03-27 | 2018-07-31 | 西北工业大学 | A kind of air pressing type flexible polishing device |
-
2018
- 2018-09-03 CN CN201811022614.4A patent/CN109048677B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3067155A1 (en) * | 2014-08-21 | 2016-09-14 | E & Q One-Touch | Apparatus for attaching/detaching grinding tool for grinder |
| JP2017080851A (en) * | 2015-10-29 | 2017-05-18 | 川崎重工業株式会社 | Polishing device, pressing unit, and polishing method |
| CN107825275A (en) * | 2017-12-05 | 2018-03-23 | 成都尚智恒达科技有限公司 | A kind of environmental protecting device for being used to polish concave groove |
| CN207578136U (en) * | 2017-12-15 | 2018-07-06 | 四川九一零建设工程有限公司 | Robot Bonnet Too l Polishing device |
| CN108340252A (en) * | 2018-03-27 | 2018-07-31 | 西北工业大学 | A kind of air pressing type flexible polishing device |
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| CN109048677A (en) | 2018-12-21 |
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Effective date of registration: 20200318 Address after: Shop 225, Dongyuan street, Dongyuan new village, Shawan Town, Panyu District, Guangzhou City, Guangdong Province Applicant after: Guangzhou Qinye construction and Installation Engineering Co., Ltd Address before: 510000 No. 8 Qiaozi Street, Fangcun, Liwan District, Guangzhou City, Guangdong Province Applicant before: Jiang Yanting |
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