CN200939571Y - Full automatic plate polishing grinder - Google Patents
Full automatic plate polishing grinder Download PDFInfo
- Publication number
- CN200939571Y CN200939571Y CN 200620077187 CN200620077187U CN200939571Y CN 200939571 Y CN200939571 Y CN 200939571Y CN 200620077187 CN200620077187 CN 200620077187 CN 200620077187 U CN200620077187 U CN 200620077187U CN 200939571 Y CN200939571 Y CN 200939571Y
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- China
- Prior art keywords
- bistrique
- guide rail
- workbench
- full
- grinding
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- Expired - Fee Related
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model provides an automatic board polishing device with relatively high work efficiency. The utility model is composed of a working table, a wheel head, a frame, and a first drive device, a second drive device, a first guide-way gliding track, a second guide-way gliding track separately arranged on the frame. The working table is arranged on a first glide device adapting to the first guide-way. The output terminal of the first drive device is connected with the working table, enabling the working table to do reciprocation motion along the first guide-way track through the first gliding device; the wheel head is arranged to the second gliding device adapted with the second guide-way. The output terminal of the second drive device is connected with the wheel head, enabling the wheel head to do reciprocation motion along the second guide-way track through the second gliding device; the first guiding track is vertical to the second guiding track. The utility model is characterized in low laboring intensity, high production efficiency, and is applicable to polishing occasions as the polish of artificial board, slabstone board and PVC board.
Description
Technical field
The utility model relates to a kind of full-automatic board polishing and grinding apparatus that is used for sheet material is carried out flat surface grinding, polishing.
Background technology
Traditional sheet material rubbing down mode, by artificial hand-held emery cloth plate surface is carried out reciprocating type rubbing down mostly, because operator's power is different, the precision of rubbing down is different, particularly for the big sheet material of spoke face, the operator must bend over or climb on the sheet material and just can access the sheet material middle body, the operator is in the rubbing down process, the pushing time contacts with water and easily produces edema, and because rubbing down causes the arm muscular strain easily constantly, its biological tired result is that production efficiency is low, and rubbing down is of poor quality, and sand paper is frequently changed the cost increase.
The utility model content
The purpose of this utility model provides the higher full-automatic board polishing and grinding apparatus of a kind of operating efficiency.
The technical solution of the utility model is such: a kind of full-automatic board polishing and grinding apparatus, it comprises workbench, bistrique, frame and is located at first drive unit, second drive unit, first guide rail, second guide rail on the frame respectively, described workbench is provided with first slide unit suitable with first guide rail, and the described first drive unit output is connected with workbench makes workbench can move back and forth along first guide rail by first slide unit; Described bistrique is provided with second slide unit suitable with second guide rail, and the described second drive unit output is connected with bistrique makes bistrique can move back and forth along second guide rail by second slide unit; And described first guide rail and second guide rail are perpendicular.
Above-mentioned full-automatic board polishing and grinding apparatus, described bistrique also are provided with and are used to adjust bistrique contacts pressure with workbench pressure regulation device.
Above-mentioned full-automatic board polishing and grinding apparatus, described bistrique comprise pressing plate and are located at the emery cloth of described pressing plate below.
Above-mentioned full-automatic board polishing and grinding apparatus, described pressing plate top also is provided with connecting plate, and is provided with pressure equaliser between described connecting plate and the described pressing plate, and described pressure-regulating device one side is connected with second slide unit, and opposite side is connected with connecting plate.
Above-mentioned full-automatic board polishing and grinding apparatus, described pressure equaliser comprises four screw rods, four adjusting nuts and four springs, one end of described each screw rod is individually fixed near four angles of upper side of described pressing plate, the other end passes freely through described connecting plate respectively, the part of described screw rod between described connecting plate and described pressing plate is equipped with spring respectively, and the part that described screw rod passes through described connecting plate is arranged with suitable adjusting nut respectively.
Above-mentioned full-automatic board polishing and grinding apparatus, that side that described bistrique and workbench are adjacent is provided with the rubbing down plate with certain stiffness and roughness.
Above-mentioned full-automatic board polishing and grinding apparatus, described second drive unit comprises second motor, drive disk assembly, second reversing arrangement and controls two second inductive switches of described second reversing arrangement action, the output shaft of described second motor is connected to described second reversing arrangement by described drive disk assembly, two outputs of described second reversing arrangement connect the dual-side of described bistrique translation direction respectively, and described two second inductive switches are located near the described second guide rail two ends respectively and its output is connected to the electric control system that control second reversing arrangement moves.
Above-mentioned full-automatic board polishing and grinding apparatus, described second reversing arrangement comprises rotating disk, grinding disk, reel and steel cable, the vertical two ends of described reel respectively are provided with a grinding disk, the plane at described grinding disk place is vertical with the plane at rotating disk place, distance between described two grinding disks is radially crossed radially outer, rotating disk both sides respectively in the outer greater than the external diameter and two grinding disks of rotating disk, described rotating disk is connected with drive disk assembly away from that side of reel, described reel two ends can be located on the frame by bearing block with moving axially, described reel part between two grinding disks is arranged with steel cable, and the steel cable two ends connect the dual-side of described bistrique along translation direction respectively.
Above-mentioned full-automatic board polishing and grinding apparatus, described first drive unit comprises first motor, drive disk assembly, screw mandrel, swivel nut and controls two first inductive switches that described first motor commutation rotates, the output shaft of described first motor is connected with described screw mandrel by described drive disk assembly, described screw mandrel is located on the frame rotationally and is arranged on the described swivel nut, the described swivel nut outside is fixedly arranged on the workbench, and described two first inductive switches are located near the first guide rail two ends and its output is connected to the electric control system of controlling first motor commutation.
After adopting such scheme, full-automatic board polishing and grinding apparatus of the present utility model, during work, workbench carries out reciprocal translation along guide rail, bistrique along guide rail in workbench upper edge and the perpendicular reciprocal translation of direction of workbench, like this, the sheet material that just can realize being opposite on the workbench carries out omnibearing full-automatic rubbing down, has improved operating efficiency greatly.Also above bistrique, be provided with pressure regulation device in the utility model, by pressure regulation device bistrique imposed constant compression force and make the working face of bistrique can be close to sheet material, thereby further increase work efficiency.And the utility model also is provided with pressure equaliser on bistrique, can prevent that placing the uneven uneven situation of rubbing down that causes because of sheet material takes place.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present utility model;
Fig. 2 is the structural representation of Working table driving device.
Fig. 3 is the structural representation of bistrique drive unit.
Fig. 4 is the structural representation of bistrique.
The specific embodiment
Design philosophy of the present utility model is: in order to carry out rubbing down in the surface to sheet material, at first need a workbench to fix sheet material, the sheet material top is provided with bistrique, this bistrique can be realized laterally moving back and forth and vertically moving back and forth in horizontal plane, in order to reach better rubbing down effect, it is adjustable requiring the rubbing down pressure of bistrique.But structure simpler implementation similar to above-mentioned design philosophy is: the two dimension of bistrique moves respectively and is finished by workbench and bistrique, be that workbench is finished and vertically moved, bistrique is finished laterally and is moved, this kind implementation can make the type of drive of bistrique simplify greatly, specifies the utility model below in conjunction with accompanying drawing.
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4, embodiment provides a kind of full-automatic board polishing and grinding apparatus, and this device is used for that rubbing down is carried out on the wood-based plate surface to be handled, and makes its smooth surface exquisiteness.This full-automatic board polishing and grinding apparatus comprises frame 1, workbench 2, bistrique 3, be used to drive the drive unit 4 that workbench vertically moves, be used to drive drive unit 5 and the pressure regulation device 6 that bistrique 3 laterally moves, wherein said frame 1 is provided with two longitudinal rails 11 and two cross slide waies 12, the below of workbench 2 is provided with the fairlead suitable with described longitudinal rail 11, like this workbench 2 under the driving of drive unit 4 longitudinally guide rail 11 move back and forth, bistrique 3 is provided with the fairlead suitable with described cross slide way 12, bistrique 3 can move back and forth along described cross slide way 12 under the driving of drive unit 5 like this, described cross slide way 12 and longitudinal rail 11 lay respectively in the two parallel horizontal planes and are vertical mutually, described bistrique 3 also is provided with the pressure regulation device 6 that is used for bistrique 3 is pressed on workbench 2 upper surfaces, and pressure regulation device 6 can laterally move back and forth along described cross slide way 12 with bistrique 3.Specifically:
With reference to figure 1, Fig. 2, described workbench 2 is open-topped bathtub constructions, the below both lateral sides of workbench 2 is provided with two pairs of fairlead (not shown)s, described fairlead is ridden respectively and is located on the longitudinal rail 11, described drive unit 4 comprises three phase electric machine 41, the output of three phase electric machine 41 connects a reduction box 42, the output of reduction box 42 connects a screw mandrel 43, described screw mandrel 43 extends along the longitudinal direction and is equipped with a swivel nut 44, described swivel nut 44 outsides are fixedly arranged on the lower surface of workbench 2, described screw mandrel 43 two ends are located on the frame by bearing block 45 rotationally, described in addition longitudinal rail respectively is provided with a limit switch (not shown) near 11 two ends, and the limit switch output is connected to the electric control system of control three phase electric machine 41 commutations.When workbench 2 moves to a vertical side along the longitudinal direction and touches limit switch under three phase electric machine 41 drives, three phase electric machine 41 changes electricity and rotates under the control of electric control system, thereby three phase electric machine 41 commutates once more and finishes a working cycles after workbench 2 oppositely moves the limit switch of running into opposite side, carries out and so forth.When above-mentioned three phase electric machine 41 is used servo motor instead, then do not need limit switch can realize that workbench 2 commutations move back and forth and can control the stroke of workbench 2 yet.
With reference to figure 1, Fig. 4, described bistrique 3 comprises pressing plate 31 and is located at the emery cloth 32 of pressing plate 31 belows, pressing plate 31 upper surfaces are provided with four screw rods 34 near four angles, connecting plate 33 offers four holes, described four holes are sheathed on respectively on four screw rods 34, at connecting plate 33 upper surfaces, described four screw rods 34 are arranged with adjusting nut 35 respectively, described four screw rods 34 are arranged with spring 341 respectively between pressing plate 31 upper surfaces and connecting plate 33 lower surfaces, the elastic force that described like this connecting plate 33 can overcome spring 341 moves in the vertical direction along described screw rod 34, in addition, be provided with some water spouts between described pressing plate 31 and the emery cloth 32, be provided with the fluid passage that connects each water spout in the pressing plate 31, described each fluid passage is connected in a flexible water conduit 36 jointly, in the rubbing down process, water can arrive the rubbing down surface to reach better rubbing down effect like this.Described connecting plate 33 tops are provided with movable plate 37, movable plate 37 be provided with four with the suitable fairlead 38 of cross slide way 12, whole bistrique 3 by fairlead 38 and the guide effect of cross slide way 12 and under the drive of drive unit 5 surface at sheet material laterally move back and forth, pressure regulation cylinder body 61 is fixedly arranged on movable plate 37 upper surfaces, cylinder valve rod 62 passes freely through movable plate 37 and is fixedly arranged on the upper surface of connecting plate 33, when passing to the gas of certain pressure in the cylinder, under the effect of cylinder valve rod 62, the elastic force that connecting plate 33 overcomes spring 341 applies uniform pressure to four angles of pressing plate 31.
With reference to figure 1, Fig. 3, described drive unit 5 is used to drive bistrique 2 and laterally moves back and forth along cross slide way 12.Described drive unit 5 comprises three phase electric machine 51, the reduction box 52 that connects three phase electric machine 51 outputs, the output of reduction box is provided with reversing arrangement, this reversing arrangement comprises the horizontal rotating disc 53 that connects reduction box 52 outputs, reel 54 and steel cable 55, described reel 54 axial two ends are located on the frame 1 rotationally by bearing block 56, reel 54 axial ends connect a reversing cylinder 57, described reel 54 can move among a small circle along its axial direction in the stroke of reversing cylinder 57, described reel 54 is provided with two frictional disks that axially are separated 58, distance between described grinding disk 58 medial surfaces is greater than described horizontal rotating disc 53 diameters, the plane parallel at described reel 54 planes, axis place and horizontal rotating disc 53 places, described grinding disk 58 radially outer is crossed horizontal rotating disc 53 upper edges, like this, when reversing cylinder 57 actions, frictional disk 58 different discs contact with horizontal rotating disc 53, and turning to of reel 54 is different.The two ends that steel cable 55 is set around above-mentioned reel 54 described two frictional disks, 58 mid portions and steel cable 55 are connected with pressing plate 31 both lateral sides by guide wheel respectively, near described cross slide way 12 two ends, described frame 1 is provided with left limit optoelectronic switch and right limit optoelectronic switch, each optoelectronic switch output is connected on the electric control system of control cylinder 57 actions, described fairlead 38 is respectively equipped with sensing chip, in the time of near described fairlead 38 moves to left limit, described sensing chip drives the left limit optoelectronic switch, 57 actions of electric control system control reversing cylinder, reel 54 axially moves under the effect of reversing cylinder 57 like this, the disc that frictional disk 58 contacts with horizontal rotating disc 53 changes, thereby the direction of reel 54 unwinding and rewinding changes, bistrique 3 moves right under the drive of three phase electric machine 51, when the sensing chip of fairlead 38 drives the right limit optoelectronic switch, reversing cylinder 57 moves once more, the disc that frictional disk 58 contacts with horizontal rotating disc 53 changes, reel 54 turns to change, drive bistrique 3 and be moved to the left, carry out so repeatedly.
In the foregoing description, described bistrique and sheet material contact portion not necessarily pressing plate below pad are established the such structure of sand paper, also can be that a rubbing down plate with certain stiffness and roughness is set below pressing plate.And improvement or parts on the non-essential meaning of the utility model being done based on previous designs thought are replaced, and must belong to the scope of the utility model institute letter lid.
Claims (9)
1, a kind of full-automatic board polishing and grinding apparatus, it is characterized in that it comprises workbench, bistrique, frame and is located at first drive unit, second drive unit, first guide rail, second guide rail on the frame respectively, described workbench is provided with first slide unit suitable with first guide rail, and the described first drive unit output is connected with workbench makes workbench can move back and forth along first guide rail by first slide unit; Described bistrique is provided with second slide unit suitable with second guide rail, and the described second drive unit output is connected with bistrique makes bistrique can move back and forth along second guide rail by second slide unit; And described first guide rail and second guide rail are perpendicular.
2, full-automatic board polishing and grinding apparatus as claimed in claim 1 is characterized in that described bistrique also is provided with and is used to adjust bistrique contacts pressure with workbench pressure regulation device.
3, full-automatic board polishing and grinding apparatus as claimed in claim 2 is characterized in that described bistrique comprises pressing plate and the emery cloth of being located at described pressing plate below.
4, full-automatic board polishing and grinding apparatus as claimed in claim 3, it is characterized in that described pressing plate top also is provided with connecting plate, and be provided with pressure equaliser between described connecting plate and the described pressing plate, described pressure-regulating device one side is connected with second slide unit, and opposite side is connected with connecting plate.
5, full-automatic board polishing and grinding apparatus as claimed in claim 4, it is characterized in that described pressure equaliser comprises four screw rods, four adjusting nuts and four springs, one end of described each screw rod is individually fixed near four angles of upper side of described pressing plate, the other end passes freely through described connecting plate respectively, the part of described screw rod between described connecting plate and described pressing plate is equipped with spring respectively, and the part that described screw rod passes through described connecting plate is arranged with suitable adjusting nut respectively.
6, full-automatic board polishing and grinding apparatus as claimed in claim 2 is characterized in that that adjacent side of described bistrique and workbench is provided with the rubbing down plate with certain stiffness and roughness.
7, full-automatic board polishing and grinding apparatus as claimed in claim 2, it is characterized in that described second drive unit comprises second motor, drive disk assembly, two second inductive switches of described second reversing arrangement action of second reversing arrangement and control, the output shaft of described second motor is connected to described second reversing arrangement by described drive disk assembly, two outputs of described second reversing arrangement connect the dual-side of described bistrique translation direction respectively, and described two second inductive switches are located near the described second guide rail two ends respectively and its output is connected to the electric control system that control second reversing arrangement moves.
8, full-automatic board polishing and grinding apparatus as claimed in claim 7, it is characterized in that described second reversing arrangement comprises rotating disk, grinding disk, reel and steel cable, the vertical two ends of described reel respectively are provided with a grinding disk, the plane at described grinding disk place is vertical with the plane at rotating disk place, distance between described two grinding disks is radially crossed radially outer, rotating disk both sides respectively in the outer greater than the external diameter and two grinding disks of rotating disk, described rotating disk is connected with drive disk assembly away from that side of reel, described reel two ends can be located on the frame by bearing block with moving axially, described reel part between two grinding disks is arranged with steel cable, and the steel cable two ends connect the dual-side of described bistrique along translation direction respectively.
9, full-automatic board polishing and grinding apparatus as claimed in claim 1, it is characterized in that described first drive unit comprises first motor, drive disk assembly, screw mandrel, swivel nut and control two first inductive switches that described first motor commutation rotates, the output shaft of described first motor is connected with described screw mandrel by described drive disk assembly, described screw mandrel is located on the frame rotationally and is arranged on the described swivel nut, the described swivel nut outside is fixedly arranged on the workbench, and described two first inductive switches are located near the first guide rail two ends and its output is connected to the electric control system of controlling first motor commutation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620077187 CN200939571Y (en) | 2006-08-15 | 2006-08-15 | Full automatic plate polishing grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620077187 CN200939571Y (en) | 2006-08-15 | 2006-08-15 | Full automatic plate polishing grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200939571Y true CN200939571Y (en) | 2007-08-29 |
Family
ID=38745761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620077187 Expired - Fee Related CN200939571Y (en) | 2006-08-15 | 2006-08-15 | Full automatic plate polishing grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200939571Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433830A (en) * | 2013-08-12 | 2013-12-11 | 西安轨道交通装备有限责任公司 | Polishing and rust removing machine for iron roof of passenger vehicle |
| CN104400574A (en) * | 2014-11-20 | 2015-03-11 | 天津市金万方钢结构有限公司 | Contour plate surface-type polishing device |
| CN104608017A (en) * | 2015-02-06 | 2015-05-13 | 成都陶玛斯卫浴有限责任公司 | Device capable of improving wiredrawing quality |
| CN105215813A (en) * | 2015-10-26 | 2016-01-06 | 湖州国信物资有限公司 | A kind of floor solid wood central layer sanding apparatus workpiece polishing mechanism |
| CN105252374A (en) * | 2015-10-26 | 2016-01-20 | 湖州国信物资有限公司 | Polishing device for solid core plates of floors |
| CN106239288A (en) * | 2016-08-19 | 2016-12-21 | 吴刚 | A kind of heat radiating type plate surface process equipment |
| CN106271919A (en) * | 2016-08-19 | 2017-01-04 | 吴刚 | A kind of plate surface process processing unit (plant) |
| CN106625181A (en) * | 2016-12-27 | 2017-05-10 | 安徽工程大学 | Polishing device for plates |
| CN107097141A (en) * | 2017-06-22 | 2017-08-29 | 肇庆市智高电机有限公司 | A kind of building board polissoir |
| CN107263237A (en) * | 2017-05-07 | 2017-10-20 | 冯大兰 | A kind of operating method of surface evening machine |
| CN107521622A (en) * | 2017-08-22 | 2017-12-29 | 池仁淼 | It is a kind of it is new can clutch, translation and brake industrial rotating mechanism |
| CN108655853A (en) * | 2018-06-29 | 2018-10-16 | 安顺市杰勇石业有限公司 | A kind of plane slabstone sanding and polishing auxiliary processing device |
| CN108687645A (en) * | 2018-05-21 | 2018-10-23 | 长兴宏力机械科技有限公司 | A kind of board holder of polishing machine |
| CN108906298A (en) * | 2018-06-29 | 2018-11-30 | 安顺市杰勇石业有限公司 | A kind of stone material crushing device |
| CN110900363A (en) * | 2019-11-22 | 2020-03-24 | 江西诺驰科技咨询有限公司 | Automatic polishing and grinding device for electronic product shell |
-
2006
- 2006-08-15 CN CN 200620077187 patent/CN200939571Y/en not_active Expired - Fee Related
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433830A (en) * | 2013-08-12 | 2013-12-11 | 西安轨道交通装备有限责任公司 | Polishing and rust removing machine for iron roof of passenger vehicle |
| CN104400574A (en) * | 2014-11-20 | 2015-03-11 | 天津市金万方钢结构有限公司 | Contour plate surface-type polishing device |
| CN104608017A (en) * | 2015-02-06 | 2015-05-13 | 成都陶玛斯卫浴有限责任公司 | Device capable of improving wiredrawing quality |
| CN105215813B (en) * | 2015-10-26 | 2017-10-13 | 海门市彼维知识产权服务有限公司 | A kind of floor solid wood core plate sanding apparatus workpiece polishing mechanism |
| CN105215813A (en) * | 2015-10-26 | 2016-01-06 | 湖州国信物资有限公司 | A kind of floor solid wood central layer sanding apparatus workpiece polishing mechanism |
| CN105252374A (en) * | 2015-10-26 | 2016-01-20 | 湖州国信物资有限公司 | Polishing device for solid core plates of floors |
| CN106239288B (en) * | 2016-08-19 | 2018-06-15 | 浙江黄岩院桥工艺美术制品厂 | A kind of heat radiating type plate surface process equipment |
| CN106271919A (en) * | 2016-08-19 | 2017-01-04 | 吴刚 | A kind of plate surface process processing unit (plant) |
| CN106239288A (en) * | 2016-08-19 | 2016-12-21 | 吴刚 | A kind of heat radiating type plate surface process equipment |
| CN106271919B (en) * | 2016-08-19 | 2018-08-21 | 江苏德重新材料技术有限公司 | A kind of plate surface processing processing unit (plant) |
| CN106625181A (en) * | 2016-12-27 | 2017-05-10 | 安徽工程大学 | Polishing device for plates |
| CN106625181B (en) * | 2016-12-27 | 2019-03-05 | 安徽工程大学 | A kind of plate burnishing device |
| CN107263237B (en) * | 2017-05-07 | 2018-12-25 | 曹建新 | A kind of operating method of surface evening machine |
| CN107263237A (en) * | 2017-05-07 | 2017-10-20 | 冯大兰 | A kind of operating method of surface evening machine |
| CN107097141A (en) * | 2017-06-22 | 2017-08-29 | 肇庆市智高电机有限公司 | A kind of building board polissoir |
| CN107521622B (en) * | 2017-08-22 | 2019-03-15 | 池仁淼 | It is a kind of it is novel can clutch, translation and brake industrial rotating mechanism |
| CN107521622A (en) * | 2017-08-22 | 2017-12-29 | 池仁淼 | It is a kind of it is new can clutch, translation and brake industrial rotating mechanism |
| CN108687645A (en) * | 2018-05-21 | 2018-10-23 | 长兴宏力机械科技有限公司 | A kind of board holder of polishing machine |
| CN108906298A (en) * | 2018-06-29 | 2018-11-30 | 安顺市杰勇石业有限公司 | A kind of stone material crushing device |
| CN108655853A (en) * | 2018-06-29 | 2018-10-16 | 安顺市杰勇石业有限公司 | A kind of plane slabstone sanding and polishing auxiliary processing device |
| CN108906298B (en) * | 2018-06-29 | 2019-07-16 | 贵州科睿捷信息技术有限公司 | A kind of stone material crushing device |
| CN108655853B (en) * | 2018-06-29 | 2019-07-16 | 贵州科睿捷信息技术有限公司 | A kind of plane slabstone sanding and polishing auxiliary processing device |
| CN110900363A (en) * | 2019-11-22 | 2020-03-24 | 江西诺驰科技咨询有限公司 | Automatic polishing and grinding device for electronic product shell |
| CN110900363B (en) * | 2019-11-22 | 2021-12-07 | 江西联麓智能装备有限公司 | Automatic polishing and grinding device for electronic product shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070829 Termination date: 20120815 |