CN108818277B - Polishing and grinding equipment for multi-model automobile gears - Google Patents
Polishing and grinding equipment for multi-model automobile gears Download PDFInfo
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- CN108818277B CN108818277B CN201810549654.8A CN201810549654A CN108818277B CN 108818277 B CN108818277 B CN 108818277B CN 201810549654 A CN201810549654 A CN 201810549654A CN 108818277 B CN108818277 B CN 108818277B
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- polishing
- grinding
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- frame
- grinding roller
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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
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0208—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to separate articles
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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
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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
- B24B41/06—Work supports, e.g. adjustable steadies
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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)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention discloses polishing and grinding equipment for multi-model automobile gears, which comprises a polishing and grinding body, wherein the upper part of the polishing and grinding body is provided with an object carrying inner cavity, the lower part of the polishing and grinding body is provided with a polishing workbench, the left end and the right end of the object carrying inner cavity are symmetrically provided with two object carrying brackets, the upper part of the object carrying inner cavity is provided with a grinding roller bracket, the outer side ends of the object carrying brackets are fixed on the inner side wall of the polishing and grinding body through telescopic cylinders, the inner side end of each object carrying bracket is provided with a clamping bracket ring, the left end and the right end of each grinding roller bracket are respectively provided with a purging moving bracket and an object carrying moving bracket, the purging moving bracket is provided with a cleaning nozzle, an air nozzle and an oil filling nozzle through a moving bracket plate, the object carrying moving bracket is provided with a gear sleeve shaft, and the outer edge below the polishing workbench is provided with, the output end of the drainage arc plate is communicated with a wastewater box, so that the gear can be conveniently adjusted by people, and wastewater can be discharged.
Description
Technical Field
The invention relates to the field of polishing and grinding equipment, in particular to polishing and grinding equipment for multi-model automobile gears.
Background
Sanding is one of the surface modification techniques, generally referring to a process of changing the physical properties of the surface of a material by friction with the aid of a rough object (sandpaper or the like containing particles of higher hardness), the main purpose being to obtain a specific surface roughness. Polishing refers to a process of reducing the roughness of a workpiece surface by mechanical, chemical, or electrochemical actions to obtain a bright, flat surface. The method is to carry out modification processing on the surface of a workpiece by using a polishing tool and abrasive particles or other polishing media. However, in the prior art, most polishing and grinding equipment for automobile gears has the following disadvantages:
however, the existing polishing and grinding equipment for the automobile gear has the following defects:
(1) most of polishing and grinding equipment commonly used for automobile gears can only polish and grind gears in a single form, so that the application range of the polishing and grinding equipment is greatly limited, and the polishing and grinding equipment is inconvenient for people to use;
(2) the general polishing and grinding equipment for the automobile gear lacks measures of oiling and cleaning, so that the gear which is not processed is caused, the working effect of the polishing and grinding equipment is reduced, and the working environment can be polluted by scraps generated in the polishing and grinding process.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides polishing and grinding equipment for multi-model automobile gears, which not only solves the use problems brought by common polishing and grinding equipment, but also greatly increases the usability of the polishing and grinding equipment, increases the construction efficiency, provides greater convenience for polishing and grinding construction, enlarges the use range, can be used for oiling and cleaning, can also collect waste liquid and scraps, and can effectively solve the problems brought by the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a polishing and grinding device for multi-model automobile gears comprises a polishing and grinding body, wherein an object carrying inner cavity is arranged at the upper part of the polishing and grinding body, a polishing workbench is arranged at the lower part of the polishing and grinding body, two object carrying supports are symmetrically arranged at the left end and the right end of the object carrying inner cavity, a grinding roller frame is arranged at the upper part of the object carrying inner cavity, the outer side ends of the object carrying supports are fixed on the inner side wall of the polishing and grinding body through telescopic cylinders, and clamping support rings are arranged at the inner side ends of the object carrying supports;
a grinding roller is arranged below the grinding roller frame, a blow-washing moving frame and a carrying moving frame are respectively arranged at the left end and the right end of the grinding roller frame, a cleaning nozzle, an air nozzle and an oiling nozzle are arranged on the blow-washing moving frame through a moving frame plate, the bottom of the blow-washing moving frame is fixedly arranged on the top side wall of the polishing and grinding body through a blow-washing seat plate, a carrying gear sleeve shaft is arranged on the carrying moving frame,
the outer border department in below of polishing workstation installs the drainage arc board, the output intercommunication of drainage arc board has the waste water tank box, the waste water tank box passes through water tank frame fixed mounting on the lateral wall of polishing body.
Furthermore, a grinding roller motor is arranged on one side of the grinding roller frame, a grinding roller is mounted on the lower portion of the grinding roller frame through a shaft support, and a driving shaft of the grinding roller motor is connected with a rotating shaft of the grinding roller.
Furthermore, an observation cover plate is arranged on the front side of the loading inner cavity, the observation cover plate is connected with the outer side wall of the polishing grinding body through a rotating shaft, and hand sleeving holes are symmetrically formed in the observation cover plate.
Further, a blow washing handle is installed at one side of the moving frame plate, the moving frame plate is connected with a cleaning nozzle, an air nozzle and a fuel filling nozzle through a half ball seat, and valves corresponding to the cleaning nozzle, the air nozzle and the fuel filling nozzle are arranged on the half ball seat.
Further, the top plate of the cleaning nozzle penetrating through the polishing and grinding body through the hose is connected with a cleaning water tank, the top plate of the air nozzle penetrating through the polishing and grinding body through the hose is connected with a fan, the top plate of the oiling nozzle penetrating through the polishing and grinding body through the hose is connected with an oil tank, and the cleaning water tank is connected with the oil tank through a partition plate.
Further, the carrying moving frame is fixedly installed on the top side wall of the polishing and grinding body through a carrying chassis, the upper end of the carrying gear sleeve shaft is connected with the carrying moving frame through a carrying toothed plate, a positioning nut is installed at the lower end of the carrying gear sleeve shaft, and a carrying gear handle is arranged at one side of the carrying toothed plate.
Further, a driving spindle is installed in the middle of the lower surface of the polishing workbench, a driving motor is arranged below the polishing workbench and connected with the driving spindle through a driving gear, and the bottom of the driving spindle is fixedly installed on a bottom side plate of the polishing grinding body through a shaft sleeve seat.
Further, waste water tank box and water tank frame are ring structure to waste water tank box passes through the buckle form and links to each other with water tank frame.
Compared with the prior art, the invention has the beneficial effects that:
(1) the polishing and grinding body is provided with the carrying bracket, the position of the clamping bracket ring can be adjusted through the telescopic cylinder on the carrying bracket so as to adapt to the use of gears with different sizes, and the carrying moving bracket is arranged so as to effectively sleeve the gears and be beneficial to the use of people;
(2) the polishing and grinding body is provided with the blow washing moving frame, and the gear is cleaned and oiled through the cleaning nozzle, the air nozzle and the oiling nozzle on the blow washing moving frame, so that the use and the operation of people are facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the polishing pad of the present invention;
FIG. 3 is a schematic view of the purge rack structure of the present invention;
fig. 4 is a schematic structural view of the carrier moving frame of the present invention.
Reference numbers in the figures:
1-polishing and grinding the body; 2-carrying inner cavity; 3-polishing the working table; 4-carrying a support; 5-a grinding roller frame; 6-telescopic cylinder; 7-a clamping holder ring; 8-purging and moving the frame; 9-carrying moving frame; 10-a drainage arc plate; 11-wastewater tank; 12-a water tank rack;
201-observation cover plate; 202-a rotating shaft; 203-hand hole;
301-a drive spindle; 302-a drive motor; 303-a drive gear; 304-a boss seat;
501, grinding rollers; 502-a grinding roller motor; 503-shaft support; 504-rotating shaft; 505-a drive shaft;
801-moving the frame plate; 802-cleaning the nozzle; 803-air nozzle; 804-a refueling nozzle; 805-purging the seat tray; 806-a half-ball seat; 807-a valve; 8021-cleaning the water tank; 8022-a separator; 8031-a fan; 8041-oil tank;
901-carrying gear sleeve shaft; 902-carrying chassis; 903-carrying toothed plate; 904-positioning nut; 905-Gear-carrying handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the present invention provides a polishing and grinding device for multiple models of automobile gears, comprising a polishing and grinding body 1, wherein an object carrying cavity 2 is arranged at the upper part of the polishing and grinding body 1, and a polishing worktable 3 is installed at the lower part of the polishing and grinding body 1, wherein an observation cover plate 201 is arranged at the front side of the object carrying cavity 2, the observation cover plate 201 is connected with the outer side wall of the polishing and grinding body 1 through a rotating shaft 202, and hand sleeving holes 203 are symmetrically arranged on the observation cover plate 201, so that the hand of a user can conveniently pass through the hand sleeving holes 203 through the observation cover plate 201 on the object carrying cavity 2 to operate a purging moving frame 8 and an object carrying moving frame 9, and perform fine polishing and grinding on the gears, so as to ensure the processing performance of the device;
two object carrying supports 4 are symmetrically arranged at the left end and the right end of the object carrying inner cavity 2, a grinding roller frame 5 is arranged at the upper part of the object carrying inner cavity 2, the outer side ends of the object carrying supports 4 are fixed on the inner side wall of the polishing and grinding body 1 through telescopic cylinders 6, clamping support rings 7 are arranged at the inner side ends of the object carrying supports 4, the gears are effectively clamped through the clamping support rings 7 on the two object carrying supports 4, polishing and grinding are carried out, and the positions of the clamping support rings 7 can be adjusted through the telescopic cylinders 6 to adapt to gears with different sizes;
as shown in fig. 1, 3 and 4, a grinding roller 501 is arranged below the grinding roller frame 5, and a purging moving frame 8 and an object moving frame 9 are respectively mounted at the left end and the right end of the grinding roller frame 5, wherein a grinding roller motor 502 is arranged at one side of the grinding roller frame 5, a grinding roller 501 is mounted at the lower part of the grinding roller frame 5 through a shaft frame 503, a driving shaft 505 of the grinding roller motor 502 is connected to a rotating shaft 504 of the grinding roller 501, and the grinding roller motor 502 is started to drive the grinding roller 501 on the grinding roller frame 5 to grind;
the purging moving frame 8 is provided with a cleaning nozzle 802, an air nozzle 803 and a refueling nozzle 804 through a moving frame plate 801, and the bottom of the purging moving frame 8 is fixedly arranged on the top side wall of the polishing and grinding body 1 through a purging seat plate 805, wherein the purging moving frame 8 is made of a magnesium-aluminum soft column, a purging handle 805 is arranged at one side of the moving frame plate 801, the moving frame plate 801 is connected with the cleaning nozzle 802, the air nozzle 803 and the refueling nozzle 804 through a hemispherical seat 806, the hemispherical seat 806 is provided with a valve 807 corresponding to the cleaning nozzle 802, the air nozzle 803 and the refueling nozzle 804, the cleaning nozzle 802 is connected with a cleaning water tank 8021 through a hose penetrating through the top plate of the polishing and grinding body 1, the air nozzle 803 is connected with a fan 8031 through a hose penetrating through the top plate of the polishing and grinding body 1, the refueling nozzle 804 is connected with an oil tank 8041 through a hose penetrating through the top plate of the polishing and, the cleaning water tank 8021 is connected with the oil tank 8041 through a partition 8022, the gear can be sprayed with cleaning liquid under the control of the valve 807 through a cleaning nozzle 802 on the purging moving frame 8, so that observation and manual polishing operation of a user are facilitated, the gear can be sprayed with air under the control of the valve 807 through an air nozzle 803 on the purging moving frame 8 so as to remove scurf on the gear, the gear can be observed by the user, and the gear can be oiled under the control of the valve 807 through an oiling nozzle 804 on the purging moving frame 8 so as to increase the brightness of the gear;
the carrier moving frame 9 is provided with a carrier sleeve shaft 901, wherein the carrier moving frame 9 is fixedly mounted on the top side wall of the polishing and grinding body 1 through a carrier base plate 902, the carrier moving frame 9 is made of a magnesium-aluminum soft column, the upper end of the carrier sleeve shaft 901 is connected with the carrier moving frame 9 through a carrier toothed plate 903, the lower end of the carrier sleeve shaft 901 is provided with a positioning nut 904, one side of the carrier toothed plate 903 is provided with a carrier handle 905, the carrier moving frame 9 carries the carrier sleeve shaft 901 to fix the gear, and the carrier handle 905 is favorable for a user to change the position of the gear, so that the polishing and grinding are convenient for people;
as shown in fig. 1, a drainage arc plate 10 is installed at the outer edge of the lower part of the polishing table 3, wherein a driving spindle 301 is installed in the middle of the lower surface of the polishing table 3, a driving motor 302 is arranged below the polishing table 3, the driving motor 302 is connected with the driving spindle 301 through a driving gear 303, the bottom of the driving spindle 301 is fixedly installed on the bottom side plate of the polishing body 1 through a sleeve seat 304, the polishing table 3 is convenient for people to perform polishing operation and use, the output end of the drainage arc plate 10 is communicated with a wastewater box 11, the wastewater box 11 is fixedly installed on the outer side wall of the polishing body 1 through a wastewater box frame 12, wherein the wastewater box 11 and the water box frame 12 are of an annular structure, and the wastewater box 11 is connected with the water box frame 12 through a buckle form, and under the action of the drainage arc plate 10 and the wastewater box 11, waste materials and waste water generated during polishing and grinding can be timely treated, and the waste materials and the waste water are prevented from influencing the normal use of the polishing and grinding equipment.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a polishing equipment of polishing for polytypic automobile gear which characterized in that: the polishing and grinding device comprises a polishing and grinding body (1), wherein a carrying inner cavity (2) is arranged at the upper part of the polishing and grinding body (1), a polishing workbench (3) is arranged at the lower part of the polishing and grinding body (1), two carrying brackets (4) are symmetrically arranged at the left end and the right end of the carrying inner cavity (2), a grinding roller frame (5) is arranged at the upper part of the carrying inner cavity (2), the outer side ends of the carrying brackets (4) are fixed on the inner side wall of the polishing and grinding body (1) through telescopic cylinders (6), and clamping bracket rings (7) are arranged at the inner side ends of the carrying brackets (4);
a grinding roller (501) is arranged below the grinding roller frame (5), a purging moving frame (8) and a loading moving frame (9) are respectively installed at the left end and the right end of the grinding roller frame (5), a cleaning nozzle (802), an air nozzle (803) and an oiling nozzle (804) are installed on the purging moving frame (8) through a moving frame plate (801), the bottom of the purging moving frame (8) is fixedly installed on the top side wall of the polishing and grinding body (1) through a purging base plate (805), and a loading gear sleeve shaft (901) is arranged on the loading moving frame (9);
the outer border department in below of polishing workstation (3) installs drainage arc board (10), the output intercommunication of drainage arc board (10) has waste water tank box (11), waste water tank box (11) are through water tank tower (12) fixed mounting on the lateral wall of polishing body (1).
2. The polishing and grinding device for the multi-model automobile gear as claimed in claim 1, wherein: one side of the grinding roller frame (5) is provided with a grinding roller motor (502), the lower part of the grinding roller frame (5) is provided with a grinding roller (501) through a shaft bracket (503), and a rotating shaft (504) of the grinding roller (501) is connected with a driving shaft (505) of the grinding roller motor (502).
3. The polishing and grinding device for the multi-model automobile gear as claimed in claim 1, wherein: the front side of carrying the thing inner chamber (2) is provided with observes apron (201), observe apron (201) and link to each other through pivot (202) and the lateral wall of polishing body (1), and observe the symmetry on apron (201) and be provided with cover hand hole (203).
4. The polishing and grinding device for the multi-model automobile gear as claimed in claim 1, wherein: a purging handle (805) is installed at one side of the movable frame plate (801), the movable frame plate (801) is connected with a cleaning nozzle (802), an air nozzle (803) and a refueling nozzle (804) through a half ball seat (806), and a valve (807) corresponding to the cleaning nozzle (802), the air nozzle (803) and the refueling nozzle (804) is arranged on the half ball seat (806).
5. The polishing and grinding device for the multi-model automobile gear according to claim 4, characterized in that: the roof that clean nozzle (802) run through polishing body (1) through the hose is connected with clean water tank (8021), air nozzle (803) run through polishing body (1) through the hose is connected with fan (8031), refueling nozzle (804) run through polishing body (1) through the hose and are connected with oil tank (8041), clean water tank (8021) link to each other with oil tank (8041) through baffle (8022).
6. The polishing and grinding device for the multi-model automobile gear as claimed in claim 1, wherein: the carrier moving frame (9) is fixedly installed on the top side wall of the polishing and grinding body (1) through a carrier chassis (902), the upper end of the carrier sleeve shaft (901) is connected with the carrier moving frame (9) through a carrier plate (903), a positioning nut (904) is installed at the lower end of the carrier sleeve shaft (901), and a carrier handle (905) is arranged on one side of the carrier plate (903).
7. The polishing and grinding device for the multi-model automobile gear as claimed in claim 1, wherein: install drive main shaft (301) in the middle of the lower surface of polishing workstation (3), and the below of polishing workstation (3) is provided with driving motor (302), driving motor (302) are connected with drive main shaft (301) through drive gear (303), the bottom of drive main shaft (301) is through bushing seat (304) fixed mounting on the bottom side board of polishing body (1).
8. The polishing and grinding device for the multi-model automobile gear as claimed in claim 1, wherein: the waste water box (11) and the water tank frame (12) are of annular structures, and the waste water box (11) is connected with the water tank frame (12) in a buckling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549654.8A CN108818277B (en) | 2018-05-31 | 2018-05-31 | Polishing and grinding equipment for multi-model automobile gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549654.8A CN108818277B (en) | 2018-05-31 | 2018-05-31 | Polishing and grinding equipment for multi-model automobile gears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108818277A CN108818277A (en) | 2018-11-16 |
| CN108818277B true CN108818277B (en) | 2020-06-30 |
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ID=64145356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810549654.8A Active CN108818277B (en) | 2018-05-31 | 2018-05-31 | Polishing and grinding equipment for multi-model automobile gears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108818277B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0136931A3 (en) * | 1983-09-06 | 1986-11-20 | Thibaut S.A. | Grinding tool securing and removing device for machines for polishing stone or like materials |
| JP2002086335A (en) * | 2000-09-08 | 2002-03-26 | Olympus Optical Co Ltd | Optical element grinding and polishing device |
| CN205703610U (en) * | 2016-06-07 | 2016-11-23 | 信丰正天伟电子科技有限公司 | A kind of miniature grinding and polishing apparatus of use for laboratory |
| CN206937099U (en) * | 2016-12-04 | 2018-01-30 | 缙云县阪喜达包装有限公司 | A kind of sanding and polishing machine |
| CN207289772U (en) * | 2017-09-08 | 2018-05-01 | 浙江千鹤工艺品有限公司 | A kind of craftwork polishing grinding device easy to positioning |
-
2018
- 2018-05-31 CN CN201810549654.8A patent/CN108818277B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0136931A3 (en) * | 1983-09-06 | 1986-11-20 | Thibaut S.A. | Grinding tool securing and removing device for machines for polishing stone or like materials |
| JP2002086335A (en) * | 2000-09-08 | 2002-03-26 | Olympus Optical Co Ltd | Optical element grinding and polishing device |
| CN205703610U (en) * | 2016-06-07 | 2016-11-23 | 信丰正天伟电子科技有限公司 | A kind of miniature grinding and polishing apparatus of use for laboratory |
| CN206937099U (en) * | 2016-12-04 | 2018-01-30 | 缙云县阪喜达包装有限公司 | A kind of sanding and polishing machine |
| CN207289772U (en) * | 2017-09-08 | 2018-05-01 | 浙江千鹤工艺品有限公司 | A kind of craftwork polishing grinding device easy to positioning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108818277A (en) | 2018-11-16 |
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Effective date of registration: 20201218 Address after: 241000 Chungu 3D Printing Industrial Park, Fanchang Economic Development Zone, Wuhu City, Anhui Province Patentee after: WUHU ZHONGMENG ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 241080 No.68 Fushan Road, Sanshan District, Wuhu City, Anhui Province Patentee before: ANHUI YANGTSE VOCATIONAL AND TECHNICAL College |