CN111872766B - Building wall levels grinding device - Google Patents
Building wall levels grinding device Download PDFInfo
- Publication number
- CN111872766B CN111872766B CN202010687435.3A CN202010687435A CN111872766B CN 111872766 B CN111872766 B CN 111872766B CN 202010687435 A CN202010687435 A CN 202010687435A CN 111872766 B CN111872766 B CN 111872766B
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- Prior art keywords
- polishing
- linkage
- cylinder
- seat
- dust
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- 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.)
- Expired - Fee Related
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- 238000005498 polishing Methods 0.000 claims abstract description 94
- 239000000428 dust Substances 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 15
- 238000009499 grossing Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000003028 elevating effect Effects 0.000 description 7
- 238000000605 extraction Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
- B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
- B24B7/182—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0007—Movable machines
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0084—Other grinding machines or devices the grinding wheel support being angularly adjustable
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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
- B24B41/047—Grinding heads for working on plane surfaces
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to the field of building wall processing, in particular to a building wall surface flattening and polishing device which comprises a top plate, a rack and a base, wherein the top plate and the base are respectively fixedly arranged at the upper end and the lower end of the rack, a screw rod driving lifting mechanism is further arranged between the top plate and the base, a lifting seat is arranged on the screw rod driving lifting mechanism and used for driving the lifting seat to move up and down, a local stretching and polishing assembly is hinged to the lifting seat, an angle adjusting telescopic cylinder used for adjusting the angle of the local stretching and polishing assembly is further arranged on the lifting seat, and a dust removal assembly used for removing dust in an area where the local stretching and polishing assembly works is further arranged on the rack through the screw rod driving lifting mechanism. The wall surface polishing machine is convenient for polishing a large-range inclined wall surface, can remove dust generated on a working site, and is worthy of popularization.
Description
Technical Field
The invention relates to the field of building wall surface processing, in particular to a building wall surface flattening and polishing device.
Background
In the process of building construction or decoration, in order to make the flatness of the wall surface of a building higher and the surface more delicate and uniform, the wall surface is often required to be polished.
The existing building wall surface polishing device is inconvenient to polish on a large scale and on an inclined wall surface, and can generate a lot of dust when the device works, so that great potential safety hazards are brought to workers on a construction site.
Therefore, in view of the above current situation, there is an urgent need to develop a building wall surface leveling and polishing device to overcome the shortcomings in the current practical application.
Disclosure of Invention
The embodiment of the invention aims to provide a building wall surface flattening and polishing device to solve the problems in the background technology.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:
the utility model provides a building wall levels grinding device, includes roof, frame and base, the upper and lower both ends of frame are installed respectively and are fixed with roof and base, still install screw drive elevating system between roof and the base, install the lift seat on the screw drive elevating system, just screw drive elevating system is used for driving the lift seat reciprocates, the articulated local flexible subassembly of polishing that is equipped with on the lift seat, still install the angle modulation telescoping cylinder that is used for carrying out angle modulation to the local flexible subassembly of polishing on the lift seat, still install in the frame and be used for carrying out the dust removal subassembly that removes dust to the region of local flexible subassembly of polishing work through screw drive elevating system.
Compared with the prior art, the embodiment of the invention has the beneficial effects that:
according to the building wall surface flattening and polishing device, the lifting seat can be driven to move up and down through the screw rod driving lifting mechanism, so that the whole body formed by the local telescopic polishing assembly and the angle adjusting telescopic cylinder is driven to move up and down, and the wall surface can be flattened and polished in a large range; the angle adjusting telescopic cylinder can also be used for adjusting the angle of the local telescopic polishing assembly, so that the angle of a polishing part of the local telescopic polishing assembly can be conveniently adjusted, the angle adjusting telescopic cylinder is suitable for flat polishing of an inclined wall surface, and the application range is expanded; by arranging the local telescopic polishing assembly, adaptive polishing adjustment can be performed, and the application is more convenient and flexible; still can remove dust with the help of screw rod drive elevating system to the regional of local flexible subassembly work of polishing through the dust removal subassembly, promote operational environment's air quality, be worth promoting.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structural view of a partially telescopic sanding assembly according to an embodiment of the present invention.
Fig. 3 is a partial perspective view of fig. 2.
Fig. 4 is a schematic perspective view of a linkage barrel according to an embodiment of the present invention.
In the figure: 1-dust storage box, 2-dust suction device, 3-frame, 4-dust suction pipe, 5-top plate, 6-lifting motor, 7-threaded rod, 8-guide pipe, 9-dust suction hole, 10-lifting seat, 11-local telescopic grinding component, 12-angle-adjusting telescopic cylinder, 13-base, 14-universal wheel with brake, 15-grinding installation cylinder, 16-movable plate, 17-grinding motor, 18-local telescopic cylinder, 19-driving cavity, 20-rotating shaft, 21-bearing, 22-installation groove, 23-conical linkage seat, 24-linkage cavity, 25-linkage cylinder, 26-grinding ring plate and 27-grinding column.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a building wall surface smoothing and polishing device includes a top plate 5, a frame 3, and a base 13, where the top plate 5 and the base 13 are respectively fixed at upper and lower ends of the frame 3, a screw rod driving lifting mechanism is further installed between the top plate 5 and the base 13, a lifting seat 10 is installed on the screw rod driving lifting mechanism, the screw rod driving lifting mechanism is used for driving the lifting seat 10 to move up and down, a local stretching and polishing component 11 is hinged to the lifting seat 10, an angle adjusting and stretching cylinder 12 for adjusting an angle of the local stretching and polishing component 11 is further installed on the lifting seat 10, and a dust removal component for removing dust from a working area of the local stretching and polishing component 11 is further installed on the frame 3.
In the embodiment of the invention, the lifting seat 10 can be driven to move up and down by driving the lifting mechanism through the screw rod, so as to drive the whole body formed by the local telescopic polishing component 11 and the angle adjusting telescopic cylinder 12 to move up and down, thus being beneficial to carrying out large-scale flat polishing on the wall surface; the angle adjusting telescopic cylinder 12 can also be used for adjusting the angle of the local telescopic polishing assembly 11, so that the angle of a polishing part of the local telescopic polishing assembly 11 can be adjusted conveniently, the angle adjusting telescopic grinding machine is suitable for flat polishing of an inclined wall surface, and the application range is expanded; by arranging the local telescopic polishing assembly 11, adaptive polishing adjustment can be performed, and the application is more convenient and flexible; still can remove dust to the regional of the local flexible subassembly 11 work of polishing with the help of screw rod drive elevating system through the dust removal subassembly, promote operational environment's air quality, be worth promoting.
Example 2
Referring to fig. 1-4, the difference between the present embodiment and embodiment 1 is:
in this embodiment, a plurality of universal wheels 14 with brakes are further installed at the bottom of the base 13, and the universal wheels 14 with brakes are used for facilitating the movement of the device.
In this embodiment, screw drive elevating system includes threaded rod 7, stand pipe 8 and elevator motor 6, vertically install threaded rod 7 and stand pipe 8 respectively between roof 5 and the base 13, just one side that is close to local flexible subassembly 11 of polishing is located to stand pipe 8, the upper and lower both ends of threaded rod 7 rotate with roof 5 and base 13 respectively and are connected, the upper and lower both ends of stand pipe 8 respectively with roof 5 and base 13 fixed connection, still install at the top of roof 5 and be used for the drive the rotatory elevator motor 6 of threaded rod 7, lift seat 10 is installed on threaded rod 7 and stand pipe 8, just lift seat 10 and 7 cooperation threaded connection of threaded rod, lift seat 10 and 8 cooperation sliding connection of stand pipe.
In this embodiment, one end of the local telescopic polishing assembly 11 is hinged to the upper portion of the lifting seat 10, the lower side of the local telescopic polishing assembly 11 is hinged to an angle adjusting telescopic cylinder 12, the other end of the angle adjusting telescopic cylinder 12 is hinged to the lower portion of the lifting seat 10, and the angle of the local telescopic polishing assembly 11 can be adjusted through the angle adjusting telescopic cylinder 12.
In this embodiment, the dust removal subassembly is including storing up dirt case 1, dust extraction 2 and dust absorption pipe 4, a plurality of dust absorption holes 9 have been seted up to one side that stand pipe 8 is close to local flexible polishing subassembly 11, the both ends of dust absorption pipe 4 are connected with the upper and lower both ends of stand pipe 8 respectively, and dust absorption pipe 4 passes through 8 inner chambers of stand pipe and dust absorption hole 9 intercommunication, on dust extraction 2 installation was fixed in frame 3, dust extraction 2's import and the middle part of dust absorption pipe 4 were connected, dust extraction 2's export and dust storage case 1 are connected, and dust storage case 1 is fixed in on the base 13, and dust extraction 2's concrete structure adopts prior art can, works through dust extraction 2, can make dust absorption hole 9 department produce the negative pressure and suction the dust, later through dust storage case 1 store the dust can, improve operational environment's air quality.
In this embodiment, as shown in fig. 2-4, the local telescopic polishing assembly 11 includes a polishing installation cylinder 15, a movable plate 16, a polishing motor 17, a local telescopic cylinder 18, a rotation shaft 20, a conical linkage seat 23, a linkage cylinder 25, a polishing ring plate 26 and a polishing column 27, one end of the polishing installation cylinder 15 is provided with an installation groove 22, the installation groove 22 is rotatably installed with the linkage cylinder 25 through a bearing 21, the other end of the linkage cylinder 25 is fixedly installed with the polishing ring plate 26, the other end of the polishing installation cylinder 15 is hinged with the lifting seat 10, the polishing installation cylinder 15 is further provided with a driving cavity 19, the movable plate 16 is slidably installed in the driving cavity 19, the polishing motor 17 is installed and fixed on one side of the movable plate 16 close to the linkage cylinder 25, an output shaft of the polishing motor 17 is fixedly connected with the rotation shaft 20, the linkage cavity 24 is formed on the inner side of the linkage cylinder 25, the conical linkage seat 23 is further installed and fixed on the rotation shaft 20 in the linkage cavity 24, the polishing motor 17 is kept away from to axis of rotation 20 one end installation be fixed with polish the gliding post of polishing of annular plate 26 cooperation 27, still the circumference distributes the installation in the drive chamber 19 and is fixed with a plurality of local telescopic cylinders 18, and the one end of local telescopic cylinder 18 is fixed in the drive chamber 19 and is close to the one end of linkage 25, and the other end and the fly leaf 16 of local telescopic cylinder 18 are connected fixedly, can drive the fly leaf 16 through local telescopic cylinder 18 and remove.
Further, toper linkage seat 23 is the terrace with edge structure, and the one end that polishing post 27 was kept away from in linkage chamber 24 is equipped with the terrace with edge cavity that can be connected with toper linkage seat 23 cooperation, just after toper linkage seat 23 and the left end cooperation in linkage chamber 24 are connected, a linkage section of thick bamboo 25 can be along with toper linkage seat 23 synchronous revolution, and the right-hand member face of polishing crown plate 26 and polishing post 27 flushes.
Further, the annular plate 26 of polishing is discoid structure, the post 27 of polishing is cylindrical structure, and the surface of annular plate 26 of polishing and post 27 of polishing is equipped with dull polish layer (not shown), can level and smooth the polishing to the wall through annular plate 26 of polishing and the cooperation of post 27 of polishing, and when the action of control local telescoping cylinder 18, when post 27 of polishing moves right, linkage section of thick bamboo 25 and toper linkage seat 23 separation, linkage section of thick bamboo 25 and the irrotational of the annular plate 26 of polishing this moment, only carry out local little space through the post 27 of polishing and polish, use in a flexible way, it is convenient to control.
The circuits, electronic components and modules involved are all prior art and may be implemented completely by those skilled in the art, without further elaboration, and the invention is not concerned with the improvement of software programs.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. The utility model provides a building wall levels grinding device, includes roof (5), frame (3) and base (13), the upper and lower both ends of frame (3) are installed respectively and are fixed with roof (5) and base (13), its characterized in that:
a screw driving lifting mechanism is further arranged between the top plate (5) and the base (13), a lifting seat (10) is arranged on the screw driving lifting mechanism, and the screw driving lifting mechanism is used for driving the lifting seat (10) to move up and down;
a local telescopic polishing component (11) is hinged on the lifting seat (10), and an angle adjusting telescopic cylinder (12) for adjusting the angle of the local telescopic polishing component (11) is further mounted on the lifting seat (10);
the machine frame (3) is also provided with a dust removal assembly for removing dust in the working area of the local telescopic polishing assembly (11) through a screw rod driving lifting mechanism;
the local telescopic grinding assembly (11) comprises a grinding mounting cylinder (15), a movable plate (16), a grinding motor (17), a local telescopic cylinder (18), a rotating shaft (20), a conical linkage seat (23), a linkage cylinder (25), a grinding ring plate (26) and a grinding column (27);
one end of the polishing installation cylinder (15) is provided with an installation groove (22), a linkage cylinder (25) is rotatably installed on the installation groove (22) through a bearing (21), and the other end of the linkage cylinder (25) is fixedly provided with a polishing annular plate (26);
the other end of the polishing installation cylinder (15) is hinged with the lifting seat (10);
a driving cavity (19) is further formed in the polishing mounting cylinder (15), a movable plate (16) is arranged in the driving cavity (19) in a matched and sliding manner, a polishing motor (17) is fixedly installed on one side, close to the linkage cylinder (25), of the movable plate (16), and an output shaft of the polishing motor (17) is fixedly connected with the rotating shaft (20);
a linkage cavity (24) is formed in the inner side of the linkage barrel (25), a conical linkage seat (23) is further fixedly installed on a rotating shaft (20) in the linkage cavity (24), and a polishing column (27) which is matched with the polishing annular plate (26) to slide is fixedly installed at one end, far away from the polishing motor (17), of the rotating shaft (20);
a plurality of local telescopic cylinders (18) are circumferentially distributed and fixedly arranged in the driving cavity (19), one end of each local telescopic cylinder (18) is fixed at one end, close to the linkage barrel (25), of the driving cavity (19), and the other end of each local telescopic cylinder (18) is fixedly connected with the movable plate (16).
2. The building wall surface flattening and grinding device as claimed in claim 1, characterized in that a plurality of universal wheels (14) with brakes are further mounted at the bottom of the base (13).
3. The building wall surface flattening and polishing device according to claim 1, wherein the screw rod driving lifting mechanism comprises a threaded rod (7), a guide pipe (8) and a lifting motor (6);
a threaded rod (7) and a guide pipe (8) are vertically arranged between the top plate (5) and the base (13) respectively, and the guide pipe (8) is arranged on one side close to the local telescopic grinding assembly (11);
the upper end and the lower end of the threaded rod (7) are respectively rotatably connected with the top plate (5) and the base (13), and the upper end and the lower end of the guide pipe (8) are respectively fixedly connected with the top plate (5) and the base (13);
the top of the top plate (5) is also provided with a lifting motor (6) for driving the threaded rod (7) to rotate;
the lifting seat (10) is installed on the threaded rod (7) and the guide pipe (8), the lifting seat (10) is in threaded connection with the threaded rod (7) in a matched mode, and the lifting seat (10) is in sliding connection with the guide pipe (8) in a matched mode.
4. The building wall surface leveling and polishing device according to claim 1 or 3, characterized in that one end of the local telescopic polishing component (11) is hinged to the upper part of the lifting seat (10), the lower side of the local telescopic polishing component (11) is hinged to an angle adjusting telescopic cylinder (12), and the other end of the angle adjusting telescopic cylinder (12) is hinged to the lower part of the lifting seat (10).
5. The building wall surface flattening and polishing device according to claim 3, wherein the dust removing component comprises a dust storage box (1), a dust suction device (2) and a dust suction pipe (4);
a plurality of dust suction holes (9) are formed in one side, close to the local telescopic polishing assembly (11), of the guide pipe (8);
two ends of the dust suction pipe (4) are respectively connected with the upper end and the lower end of the guide pipe (8), and the dust suction pipe (4) is communicated with the dust suction hole (9) through the inner cavity of the guide pipe (8);
the dust suction device (2) is fixedly arranged on the rack (3), and an inlet of the dust suction device (2) is connected with the middle part of the dust suction pipe (4); the outlet of the dust collection device (2) is connected with the dust storage box (1), and the dust storage box (1) is fixed on the base (13).
6. The building wall surface flattening and polishing device as claimed in claim 1, wherein the conical linkage seat (23) is of a frustum pyramid structure, one end of the linkage cavity (24) far away from the polishing column (27) is provided with a frustum pyramid cavity capable of being connected with the conical linkage seat (23) in a matched manner, after the conical linkage seat (23) is connected with the left end of the linkage cavity (24) in a matched manner, the linkage cylinder (25) can synchronously rotate along with the conical linkage seat (23), and the right end surfaces of the polishing ring plate (26) and the polishing column (27) are flushed.
7. The building wall surface smoothing and polishing device as claimed in claim 1 or 6, characterized in that the polishing ring plate (26) is a disc-shaped structure, the polishing column (27) is a cylindrical structure, and the outer surfaces of the polishing ring plate (26) and the polishing column (27) are provided with a polishing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687435.3A CN111872766B (en) | 2020-07-16 | 2020-07-16 | Building wall levels grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010687435.3A CN111872766B (en) | 2020-07-16 | 2020-07-16 | Building wall levels grinding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111872766A CN111872766A (en) | 2020-11-03 |
| CN111872766B true CN111872766B (en) | 2021-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010687435.3A Expired - Fee Related CN111872766B (en) | 2020-07-16 | 2020-07-16 | Building wall levels grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111872766B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112476105A (en) * | 2020-11-23 | 2021-03-12 | 郭文科 | Shaft part deburring device for machining |
| CN114800175B (en) * | 2022-05-09 | 2023-10-27 | 威海昱霖船舶技术有限公司 | Ship rust removing device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202622501U (en) * | 2011-12-29 | 2012-12-26 | 应浩梁 | Bidirectional polishing and grinding machine |
| NL2012364B1 (en) * | 2014-03-05 | 2015-12-03 | Blastrac B V | Grinding machine and method for grinding a floor surface. |
| CN206748116U (en) * | 2016-08-18 | 2017-12-15 | 新昌县新剡轴承有限公司 | A kind of bearing outer ring angle lapping device |
| CN209850531U (en) * | 2019-03-21 | 2019-12-27 | 中通建工城建集团有限公司 | Polishing equipment for veneer |
| CN210160861U (en) * | 2019-06-20 | 2020-03-20 | 安徽京卫宏远科技新材料有限公司 | Multifunctional wall surface polishing device |
| CN110893563A (en) * | 2019-12-20 | 2020-03-20 | 周狄超 | Wall grinding device for building decoration |
-
2020
- 2020-07-16 CN CN202010687435.3A patent/CN111872766B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN111872766A (en) | 2020-11-03 |
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