CN104339254A - Polishing device and polishing method - Google Patents
Polishing device and polishing method Download PDFInfo
- Publication number
- CN104339254A CN104339254A CN201310321880.8A CN201310321880A CN104339254A CN 104339254 A CN104339254 A CN 104339254A CN 201310321880 A CN201310321880 A CN 201310321880A CN 104339254 A CN104339254 A CN 104339254A
- Authority
- CN
- China
- Prior art keywords
- polishing
- polissoir
- connecting gear
- preset direction
- work package
- 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.)
- Pending
Links
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
- 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
- B24B29/005—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 using brushes
-
- 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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a polishing device and a polishing method for polishing by the aid the polishing device. The polishing device comprises a polishing mechanism and a transfer mechanism, the transfer mechanism transfers a workpiece placed on the transfer mechanism along a preset direction, the polishing mechanism is erected above the transfer mechanism and can reciprocate along a direction parallel to a bearing surface of the transfer mechanism and perpendicular to the preset direction, the polishing mechanism comprises at least one polishing roller, rotating shafts of the polishing rollers are perpendicular to the preset direction and parallel to the bearing surface of the transfer mechanism, and the polishing rollers rotate around the rotating shafts of the polishing rollers, reciprocate along with the polishing mechanism along the direction parallel to the bearing surface of the transfer mechanism and perpendicular to the preset direction, and are used for polishing the workpiece transferred by the transfer mechanism.
Description
Technical field
The present invention relates to a kind of polissoir and adopt this polissoir to carry out the finishing method of polishing.
Background technology
The polissoir that current industry is commonly used comprises on the carrying lower wall and polishing that are oppositely arranged and coiling.Fixed jig is arranged on carrying lower wall, in order to regular worker's workpiece.This fixed jig, with the lower disc spins of carrying, rotates along clockwise direction or counterclockwise.Polishing hairbrush is arranged on the side of this polishing upper disk surface to carrying lower wall, and polishing hairbrush is with disc spins in polishing, and in this polishing, dish is contrary with the direction of rotation of carrying lower wall.During to work package polishing, work package be fixed on the fixed jig of carrying lower wall, and drive dish and carrying lower wall in polishing to reversely rotate, this polishing hairbrush abuts the surface of work package and carries out polishing to it.
But the restriction that above-mentioned polissoir is confined to its structural design cannot be reached moving wire type and be produced, namely during board upper and lower eyeglass, board must be shut down and changed, and causes polissoir start rate poor, cannot start time of effective lifting means.And the function mode of this polissoir is upper lower burrs rotary motion in the other direction, under the linear velocity of polishing hairbrush internal-and external diameter and hairbrush arrange the difference of quantity, cause polishing effect not good, cause the loss of internal-and external diameter hairbrush uneven simultaneously, thus have impact on the life-span of polishing hairbrush.
Summary of the invention
For solving the problem that in prior art, polissoir start rate is poor, be necessary to provide a kind of start rate preferably polissoir.
This polissoir a kind of, it comprises polishing mechanism and connecting gear.This connecting gear will be thrown into the work package on it along preset direction transmission.This polishing mechanism to be erected at above this connecting gear and at the loading end of parallel connecting gear the direction of vertical preset direction can to move back and forth.This polishing mechanism comprises at least one polishing roller, the rotational axis vertical preset direction of this at least one polishing roller and the loading end of this connecting gear parallel.This at least one polishing roller rotates around its rotating shaft and at the loading end of parallel connecting gear the direction of vertical preset direction moves back and forth, for the work package that polishing is sent by connecting gear with polishing mechanism.
Adopt above-mentioned polissoir to carry out a finishing method for polishing, it comprises the steps: to throw into the work package on connecting gear along preset direction transmission; Drive this polishing mechanism at the loading end of parallel connecting gear and the direction of vertical preset direction moves back and forth, this at least one polishing roller rotates along rotating shaft and at the loading end of parallel connecting gear, the direction of vertical preset direction moves back and forth with polishing mechanism; After work package is sent to polishing mechanism, this at least one polishing roller abuts this work package, and on preset direction and vertical preset direction this work package of polishing.
Because connecting gear of the present invention transmits input to the work package on it along preset direction, polishing mechanism is erected at above connecting gear, therefore, while polishing mechanism carries out polishing to the work package sent, polished work package can be thrown on the connecting gear at polishing mechanism rear, and the work package of the polishing on the connecting gear in polishing mechanism front can be taken out, thus form moving wire type polishing operation, improve the start rate of polissoir.And moving back and forth of the vertical preset direction of polishing mechanism can make polishing roller uniform loss, extend the life-span of polishing mechanism.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of a better embodiment of polissoir of the present invention.
Fig. 2 is the schematic perspective view during the polissoir shown in Fig. 1 uses.
Fig. 3 is the side view of the polissoir shown in Fig. 2.
Main element symbol description
Polissoir 1
Board 10
Host cavity 12
Bottom 120
Sidewall 122
Leakage fluid dram 124
Recycling bin 128
Fixed jig 20
Connecting gear 30
Polishing mechanism 40
Lid 41
Upper cover plate 410
Side plate 412
Polishing roller 42
Rotating shaft 420
Polishing fluid spraying mechanism 50
Polishing fluid spraying pipeline 502
Polishing fluid cycling mechanism 60
Drawing liquid pump 62
Driving mechanism 80
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to the decomposing schematic representation that Fig. 1-3, Fig. 1 is a better embodiment of polissoir 1 of the present invention, Fig. 2 is the schematic perspective view adopting the polissoir shown in Fig. 1 to carry out polishing, and Fig. 3 is the side view of Fig. 2 polissoir.This polissoir can carry out polishing to the material of glass, also can be applied to the polishing of the materials such as metal, pottery, plastics.Utilize the polissoir of this case to carry out polishing to polished work package, described polished work package can be: housing of the cover glass sheet of mobile phone, the substrate of display floater, mobile phone pottery back of the body lid, mobile phone metal shell, consumption electronic products etc.
This polissoir 1 comprises board 10, fixed jig 20, connecting gear 30, polishing mechanism 40, polishing fluid spraying mechanism 50, polishing fluid cycling mechanism 60 and driving mechanism 80.
This board 10 defines a host cavity 12, and this host cavity 12 comprises sidewall 122 and bottom 120.Leakage fluid dram 124 is provided with bottom this.In the present embodiment, bottom this, 120 is vertebral body shape, and this leakage fluid dram 124 is arranged on the tip place of the centrum of bottom 120.
This fixed jig 20 is for regular worker's workpiece.In the present embodiment, work package is fixed on fixed jig 20 via vacuum suction.
This connecting gear 30 is fixed in this host cavity 12, for the work package of will throw into thereon along preset direction transmission.In the present embodiment, this connecting gear 30 can select conveyer belt, and this work package is fixed on fixed jig 20, this conveyer belt by this fixed jig 20 and work package along preset direction transmission.In the present embodiment, this connecting gear 30 is two conveyer belts being separately positioned on the relative both sides of host cavity 12, and fixed jig 20 can be thrown on this two conveyer belt and to move along preset direction with this two conveyer belt.
This polishing mechanism 40 is erected at above this connecting gear 30, at the loading end of parallel connecting gear 30 direction of vertical preset direction moves back and forth under the driving of driving mechanism 80.This polishing mechanism 40 comprises at least one polishing roller 42, the vertical preset direction of the rotating shaft 420 of this at least one polishing roller 42 and the loading end of this connecting gear 30 parallel.This at least one polishing roller 42 rotates around its rotating shaft 420 and at the loading end of parallel connecting gear the direction of vertical preset direction moves back and forth, for the work package that polishing is sent by connecting gear 30 with polishing mechanism 40.
In the present embodiment, this driving mechanism 80 can select pneumatic cylinder to drive.This at least one polishing roller 42 is multiple, and the plurality of polishing roller 42 is arranged side by side along preset direction.And the quantity of the plurality of polishing roller 42 can change quantity according to the polishing range requirement of equipment.In the present embodiment, this polishing mechanism 40 also comprises a lid 41, and this lid is driven by pneumatic cylinder and moves back and forth.Two side plates 412 be oppositely arranged that this lid 41 comprises a upper cover plate 410 and is connected with this upper cover plate 410, the two ends of the rotating shaft 420 of each polishing roller 42 are rotatable to be fixed on this two side plate 412.The material of this polishing roller 42 can be chosen by the materials such as nylon, cerium oxide, sheepskin, bristles.
This polishing fluid spraying mechanism 50 is connected with this upper cover plate 410 via polishing fluid spraying pipeline 502, to be sprayed at by polishing fluid between this polishing roller 42 and work package.And after polishing fluid uses, to converge to bottom host cavity 12 120 and be expelled to a recycling bin 128 via leakage fluid dram 124.
This polishing fluid cycling mechanism 60 comprises drawing liquid pump 62, and this drawing liquid pump 62, in order to again to be drawn back by the polishing fluid in recycling bin 128 in polishing fluid spraying mechanism 50, can recycle to make polishing fluid.
When adopting above-mentioned polissoir 1 pair of work package to carry out polishing, the work package that the connecting gear 30 of this polissoir 1 is thrown on connecting gear 30 along preset direction transmission; Drive this polishing mechanism 40 at the loading end of parallel connecting gear 30 and the direction of vertical preset direction moves back and forth, the plurality of polishing roller 42 rotates along rotating shaft 420 and at the loading end of parallel connecting gear 30, the direction of vertical preset direction moves back and forth with polishing mechanism 40; After work package is sent to polishing mechanism 40, the plurality of polishing roller 42 abuts this work package, and this polishing mechanism 40 is this work package of polishing on preset direction and vertical preset direction.In the process of polishing mechanism 40 polishing, polishing fluid spraying mechanism 50 sprays polishing fluid between this polishing roller 42 and work package via polishing fluid spraying pipeline.And in the process of polishing, utilize polishing fluid cycling mechanism 60 also can recycle polishing fluid, polishing fluid to converge to bottom board 10 host cavity 12 120 after a procedure and flow in recycling bin 128 via leakage fluid dram 124, and the polishing fluid in recycling bin 128 can be drawn back and recycle to polishing fluid spraying mechanism 50 by the drawing liquid pump 62 of polishing fluid cycling mechanism 60 again.
Because connecting gear 30 of the present invention transmits input to the work package on it along preset direction, polishing mechanism 40 is located at above connecting gear 30, so, while polishing mechanism 40 carries out polishing to the work package sent, connecting gear 30 at polishing mechanism 40 rear can carry out the action of throwing in polished work package, the connecting gear 30 in polishing mechanism 40 front can carry out the action of taking of the work package to polishing, thus form moving wire type polishing operation, the start rate of polissoir is improved.And move back and forth on the direction of vertical preset direction due to polishing mechanism 40, it makes polishing roller 42 uniform loss in polishing process, thus the life-span of polissoir is extended.
Those of ordinary skill in the art should be appreciated that it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (18)
1. a polissoir, comprise polishing mechanism, it is characterized in that: this polissoir also comprises connecting gear, this connecting gear will be thrown into the work package on it along preset direction transmission, this polishing mechanism to be erected at above this connecting gear and at the loading end of parallel connecting gear the direction of vertical preset direction can to move back and forth, this polishing mechanism comprises at least one polishing roller, the rotational axis vertical preset direction of this at least one polishing roller and the loading end of this connecting gear parallel, this at least one polishing roller rotates around its rotating shaft and at the loading end of parallel connecting gear the direction of vertical preset direction moves back and forth with polishing mechanism, for the work package that polishing is sent by connecting gear.
2. polissoir according to claim 1, is characterized in that: this polissoir comprises board, and this board defines a host cavity, and this connecting gear is fixed on the conveyer belt in this host cavity.
3. polissoir according to claim 2, it is characterized in that: this polissoir also comprises the fixed jig for regular worker's workpiece, this connecting gear is two conveyer belts being distributed in the relative both sides of host cavity, and fixed jig can be thrown on this two conveyer belt and to move along preset direction with this two conveyer belt.
4. polissoir according to claim 3, is characterized in that: this work package is fixed on this fixed jig via vacuum suction.
5. polissoir according to claim 2, is characterized in that: this at least one polishing roller is multiple, and the plurality of polishing roller is arranged side by side along preset direction.
6. polissoir according to claim 5, it is characterized in that: this polishing mechanism also comprises a lid, two sidewalls be oppositely arranged that this lid comprises a upper cover plate and is connected with this upper cover plate, the two ends of the rotating shaft of each polishing roller are rotatable to be fixed on this two sidewall, and this lid at the loading end of parallel connecting gear the direction of vertical preset direction moves back and forth under the driving of a driving mechanism.
7. polissoir according to claim 6, it is characterized in that: this polissoir also comprises polishing fluid spraying mechanism, this polishing fluid spraying mechanism is connected with this upper cover plate via polishing fluid spraying pipeline, to be sprayed at by polishing fluid between this polishing roller and work package.
8. polissoir according to claim 7, is characterized in that: for vertebral body shape bottom this host cavity, and at the bottom of vertebra, be provided with leakage fluid dram, and polishing fluid to converge to after using bottom host cavity and is expelled to a recycling bin via leakage fluid dram.
9. polissoir according to claim 8, is characterized in that: this polissoir also comprises polishing fluid cycling mechanism, and this polishing fluid cycling mechanism comprises drawing liquid pump, and the polishing fluid in recycling bin is drawn back in polishing fluid spraying mechanism by this drawing liquid pump again.
10. adopt polissoir as claimed in claim 1 to carry out the finishing method of polishing, it is characterized in that: this finishing method comprises the steps: to throw work package on the transfer mechanism into along preset direction transmission; Drive this polishing mechanism at the loading end of parallel connecting gear and the direction of vertical preset direction moves back and forth, this at least one polishing roller rotates along rotating shaft and at the loading end of parallel connecting gear, the direction of vertical preset direction moves back and forth with polishing mechanism; After work package is sent to polishing mechanism, this at least one polishing roller abuts this work package, and on preset direction and vertical preset direction this work package of polishing.
11. finishing methods according to claim 10, is characterized in that: this polissoir comprises board, and this board defines a host cavity, and this connecting gear is fixed on the conveyer belt in this host cavity.
12. finishing methods according to claim 11, is characterized in that: this connecting gear is two conveyer belts being distributed in the relative both sides of host cavity, and fixed jig is placed on this two conveyer belt and moves with this two conveyer belt.
13. finishing methods according to claim 12, is characterized in that: this work package is fixed on this fixed jig via vacuum suction.
14. finishing methods according to claim 11, is characterized in that: this at least one polishing roller is multiple, and the plurality of polishing roller is arranged side by side along preset direction.
15. finishing methods according to claim 14, it is characterized in that: this polishing mechanism also comprises a lid, two sidewalls be oppositely arranged that this lid comprises a upper cover plate and is connected with this upper cover plate, the two ends of the rotating shaft of each polishing roller are rotatable to be fixed on this two sidewall, and this lid at the loading end of parallel connecting gear the direction of vertical preset direction moves back and forth under the driving of a driving mechanism.
16. finishing methods according to claim 15, it is characterized in that: this polissoir also comprises polishing fluid spraying mechanism, this polishing fluid spraying mechanism is connected with this upper cover plate via polishing fluid spraying pipeline, to be sprayed at by polishing fluid between this polishing roller and work package.
17. finishing methods according to claim 16, is characterized in that: for vertebral body shape bottom this host cavity, and at the bottom of vertebra, be provided with leakage fluid dram, and polishing fluid to converge to after using bottom host cavity and is expelled to a recycling bin via leakage fluid dram.
18. finishing methods according to claim 17, is characterized in that: this polissoir also comprises polishing fluid cycling mechanism, and this polishing fluid cycling mechanism comprises drawing liquid pump, and the polishing fluid in recycling bin is drawn back in polishing fluid spraying mechanism by this drawing liquid pump again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321880.8A CN104339254A (en) | 2013-07-29 | 2013-07-29 | Polishing device and polishing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310321880.8A CN104339254A (en) | 2013-07-29 | 2013-07-29 | Polishing device and polishing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104339254A true CN104339254A (en) | 2015-02-11 |
Family
ID=52496142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310321880.8A Pending CN104339254A (en) | 2013-07-29 | 2013-07-29 | Polishing device and polishing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104339254A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670915A (en) * | 2016-12-29 | 2017-05-17 | 贵州虹轴轴承有限公司 | Burr grinding device for outer wall of bearing ring |
| CN106914814A (en) * | 2017-03-27 | 2017-07-04 | 宁波工程学院 | A kind of water jet polissoir |
| CN108638347A (en) * | 2018-08-21 | 2018-10-12 | 临泉县蓝天钢化玻璃有限公司 | A kind of improved glass punching double-sided polisher |
| CN108972906A (en) * | 2018-08-21 | 2018-12-11 | 临泉县蓝天钢化玻璃有限公司 | A kind of glass punching burnishing device |
| CN111451920A (en) * | 2020-05-25 | 2020-07-28 | 宁波大榭开发区佳洁锌铸件有限公司 | Full-automatic polishing machine |
| CN115256220A (en) * | 2022-09-22 | 2022-11-01 | 常州市曼多林精密机械科技有限公司 | Conveying device for end cover of speed reducer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02212067A (en) * | 1989-02-07 | 1990-08-23 | Ofic Co | Polishing device for mirror face of stainless steel sheet |
| CN2353485Y (en) * | 1998-12-22 | 1999-12-15 | 蔡笃灿 | Polishing device |
| CN201020643Y (en) * | 2006-10-16 | 2008-02-13 | 阳程科技股份有限公司 | Reciprocating abrasive disc machine |
| TWM368495U (en) * | 2009-06-06 | 2009-11-11 | China Steel Corp | A rotating roller washing machine |
| TWM412027U (en) * | 2011-03-17 | 2011-09-21 | Onano Ind Corp | Combined glass surface grinding device |
| CN202240847U (en) * | 2011-08-19 | 2012-05-30 | 威鸿(厦门)光学有限公司 | Glass curved surface polishing machine |
-
2013
- 2013-07-29 CN CN201310321880.8A patent/CN104339254A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02212067A (en) * | 1989-02-07 | 1990-08-23 | Ofic Co | Polishing device for mirror face of stainless steel sheet |
| CN2353485Y (en) * | 1998-12-22 | 1999-12-15 | 蔡笃灿 | Polishing device |
| CN201020643Y (en) * | 2006-10-16 | 2008-02-13 | 阳程科技股份有限公司 | Reciprocating abrasive disc machine |
| TWM368495U (en) * | 2009-06-06 | 2009-11-11 | China Steel Corp | A rotating roller washing machine |
| TWM412027U (en) * | 2011-03-17 | 2011-09-21 | Onano Ind Corp | Combined glass surface grinding device |
| CN202240847U (en) * | 2011-08-19 | 2012-05-30 | 威鸿(厦门)光学有限公司 | Glass curved surface polishing machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670915A (en) * | 2016-12-29 | 2017-05-17 | 贵州虹轴轴承有限公司 | Burr grinding device for outer wall of bearing ring |
| CN106670915B (en) * | 2016-12-29 | 2019-03-05 | 贵州虹轴轴承有限公司 | A kind of bearing ring outer wall burr abrasive devices |
| CN106914814A (en) * | 2017-03-27 | 2017-07-04 | 宁波工程学院 | A kind of water jet polissoir |
| CN108638347A (en) * | 2018-08-21 | 2018-10-12 | 临泉县蓝天钢化玻璃有限公司 | A kind of improved glass punching double-sided polisher |
| CN108972906A (en) * | 2018-08-21 | 2018-12-11 | 临泉县蓝天钢化玻璃有限公司 | A kind of glass punching burnishing device |
| CN111451920A (en) * | 2020-05-25 | 2020-07-28 | 宁波大榭开发区佳洁锌铸件有限公司 | Full-automatic polishing machine |
| CN115256220A (en) * | 2022-09-22 | 2022-11-01 | 常州市曼多林精密机械科技有限公司 | Conveying device for end cover of speed reducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104339254A (en) | Polishing device and polishing method | |
| US20120225613A1 (en) | Apparatus and medium for dry cleaning | |
| CN113458909B (en) | Optical lens double-side polishing method | |
| US8602847B2 (en) | Cylindrical grinding and polishing device | |
| CN107081670A (en) | The polishing machine of 3D curved surfaces | |
| CN107127669A (en) | Disc type polishing machine | |
| CN207372923U (en) | Curved surface mobile phone screen clears off machine | |
| CN107377441A (en) | Cleaning device, cleaning equipment and cleaning method | |
| CN106670938A (en) | Silicon wafer edge polishing device | |
| KR101058188B1 (en) | Substrate Cleaning Equipment | |
| CN108621025A (en) | A kind of grinder | |
| CN111250220B (en) | Grinding machine | |
| CN110774140B (en) | Polishing equipment suitable for plane hardware | |
| CN210388700U (en) | Elastic scraper and frosted integrated machine for plate surface | |
| CN110253400B (en) | High-pressure dephosphorization auxiliary device | |
| CN108687581A (en) | Beer bottle beauty burnishing device | |
| CN101712133B (en) | Polishing device | |
| JP6555480B2 (en) | Plate glass attitude changing device and attitude changing method | |
| TWI530362B (en) | Polishing apparatus and polishing method | |
| CN209868259U (en) | Sweep optical equipment | |
| CN102240980A (en) | Turntable device for sand spraying machine | |
| CN108568783A (en) | Microscope carrier and its cutting method, process equipment | |
| KR101125555B1 (en) | Apparatus for cleaning glass | |
| CN216967451U (en) | Piston washs sand blasting machine | |
| CN202097622U (en) | Worktable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20171208 |