CN111702620A - Hand-held type grinding device - Google Patents
Hand-held type grinding device Download PDFInfo
- Publication number
- CN111702620A CN111702620A CN202010616101.7A CN202010616101A CN111702620A CN 111702620 A CN111702620 A CN 111702620A CN 202010616101 A CN202010616101 A CN 202010616101A CN 111702620 A CN111702620 A CN 111702620A
- Authority
- CN
- China
- Prior art keywords
- grinding
- limiting block
- polishing
- block
- motor
- 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
Images
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
- B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
-
- 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
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- 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
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
-
- 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
Abstract
The invention discloses a handheld grinding device, relates to the field of machining, and solves the problem of poor plane grinding effect of an angle grinder in the prior art, and the technical key points are as follows: the polishing device comprises a shell, wherein a polishing motor is fixedly connected in the shell, the polishing motor is connected with a polishing sheet fixing plate, a polishing sheet is fixedly connected to the polishing sheet fixing plate, the polishing sheet is a flat plate polishing sheet, a limiting block is arranged between the polishing motor and the polishing sheet fixing plate of the shell, the limiting block is in sliding connection with the shell, the polishing sheet fixing plate is fixedly connected to the limiting block, one surface of the limiting block, which is close to the polishing motor, is provided with two groups of racks, an output shaft of the polishing motor is fixedly connected with a half gear, the half gear comprises a connecting sleeve and transmission teeth, the transmission teeth are uniformly distributed in a sector area smaller than 180 degrees; the invention can improve the flatness of the grinding plane and simultaneously improve the use convenience of the grinding device.
Description
Technical Field
The invention relates to the field of machining, in particular to a handheld grinding device.
Background
The angle grinder is a portable electric tool for cutting and grinding glass fiber reinforced plastics, and is mainly used for cutting, grinding and brushing metal and stone materials. The electric angle grinder is a machine for grinding, cutting, removing rust, and polishing metal members using a high-speed rotating sheet wheel, a rubber wheel, a wire wheel, or the like.
The angle grinder in the prior art adopts the angle grinding sheet rotating at a high speed, so that when a plane is ground, the contact area between the angle grinding sheet and the plane is smaller, the angle grinder needs to be moved manually when the plane is ground, so that the angle grinding sheet covers the whole plane, and the flatness of the ground surface is poorer when the angle grinder grinds the plane due to the vibration of the angle grinder in the using process.
For example, chinese patent publication No. CN208483669U discloses an angle grinder, including angle grinder body and the abrasive disc of connecting the power cord, keep away from abrasive disc one end be provided with protecting sheathing on the angle grinder body outer wall, the protection is provided with first buffer layer in angle grinder body outer wall one side outward, circumference is provided with a plurality of damper assembly on the angle grinder body outer wall, damper assembly is including setting up the elastic frame between angle grinder body outer wall and first buffer layer, along angle grinder body axial set up in the elastic frame both ends be used for the first spring of horizontal direction absorbing and set up be used for the second spring of vertical direction absorbing between angle grinder body outer wall and the elastic frame. Although the device can reduce the vibration of the angle grinder to a human body, the problem of poor plane grinding effect still exists in the mode of adopting the traditional angle grinding sheet, and therefore the handheld grinding device is provided.
Disclosure of Invention
The invention aims at solving the technical problem of providing a handheld grinding device which comprises a shell, wherein a grinding motor is fixedly connected in the shell, the grinding motor is connected with a grinding sheet fixing plate, a grinding sheet is fixedly connected on the grinding sheet fixing plate, the grinding sheet is a flat plate type grinding sheet, a limiting block is arranged between the grinding motor and the grinding sheet fixing plate on the shell, the limiting block is connected with the shell in a sliding manner, the grinding sheet fixing plate is fixedly connected to the limiting block, one surface of the limiting block, which is close to the grinding motor, is provided with two groups of racks, the two groups of racks are respectively arranged on two sides of an output shaft of the grinding motor, a half gear is fixedly connected on the output shaft of the grinding motor and comprises a connecting sleeve and transmission teeth, the transmission teeth are fixedly connected to the outer side of the connecting sleeve, the plurality of groups of transmission teeth are, the problem of angle mill plane among the prior art polishing effect poor is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a hand-held type grinding device, which comprises an outer shell, fixedly connected with grinding motor in the shell, grinding motor is connected with the piece fixed plate of polishing, and fixedly connected with polishing piece on the piece fixed plate of polishing, the polishing piece is flat polishing piece, the shell is equipped with the stopper between grinding motor and the piece fixed plate of polishing, stopper and shell sliding connection, polishing piece fixed plate fixed connection is on the stopper, the one side that the stopper is close to grinding motor is equipped with two sets of racks, and two sets of racks establish respectively in grinding motor's output shaft department both sides, fixedly connected with semi-gear on grinding motor's the output shaft, semi-gear includes adapter sleeve and driving gear, driving gear fixed connection is to the outside of adapter sleeve, and multiunit driving gear equipartition is less than in 180 degrees sector area on.
As a further scheme of the invention, the grinding motor is a double-head motor, a fan is arranged at one end of the grinding motor far away from the limiting block, an air inlet is formed in the outer side of the fan of the shell, and an air outlet is formed in one end, close to the half gear, of the shell on the grinding motor.
As a further scheme of the invention, a limiting block is arranged on the inner wall of the shell, which is in contact with the limiting block, the limiting block is a strip-shaped block, the limiting block is I-shaped, and the first spring seats are arranged in U-shaped grooves on two sides of the limiting block.
As a further scheme of the invention, two ends of the limiting block are provided with second spring seats, the second spring seats are in cylindrical structures, the shell is provided with first spring seats at positions corresponding to the two ends of the limiting block, the first spring seats are in cylindrical structures, and the first spring seats and the second spring seats are sleeved with compression springs.
As a further scheme of the invention, a first polishing block and a second polishing block are respectively arranged on two sides of the polishing piece, and the first polishing block and the second polishing block are square blocks.
As a further scheme of the invention, a third polishing block and a polishing rod are respectively arranged at two ends of the polishing sheet, the third polishing block is a strip-shaped block, the polishing rod is a round rod, and polishing lines are arranged on the polishing rod.
As a further scheme of the invention, the polishing piece is provided with a polishing rod mounting hole at the mounting position of the polishing rod, the polishing rod mounting hole is a threaded hole, and the polishing rod is provided with an external thread.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
the plane is polished through the reciprocating linear motion of the flat-plate-shaped polishing piece, so that the flatness of the polished plane is high, and meanwhile, the polishing block and the polishing rod are arranged on the side surface of the polishing piece, so that the flat-plate-shaped polishing piece can polish objects in a narrow space, and the use convenience of the flat-plate-shaped polishing piece is improved.
Drawings
Fig. 1 is a schematic structural diagram of a handheld polishing device.
Fig. 2 is a cross-sectional view of M-M in fig. 1.
Fig. 3 is a schematic view of a half-gear in a hand-held grinding device.
Reference numerals: 1-shell, 11-first spring seat, 12-limiting block, 2-grinding motor, 21-fan, 3-grinding piece fixing plate, 4-grinding piece, 41-first grinding block, 42-second grinding block, 43-third grinding block, 44-grinding rod, 45-grinding rod mounting hole, 5-PCB, 6-limiting block, 61-second spring seat, 7-rack, 8-half gear, 81-connecting sleeve, 82-driving gear and 9-compression spring.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
As shown in figures 1-3, a hand-held grinding device comprises a shell 1, a grinding motor 2 is fixedly connected in the shell 1, the grinding motor 2 is connected with a grinding sheet fixing plate 3, a grinding sheet 4 is fixedly connected on the grinding sheet fixing plate 3, the grinding sheet 4 is a flat plate type grinding sheet, a limiting block 6 is arranged between the grinding motor 2 and the grinding sheet fixing plate 3 of the shell 1, the limiting block 6 is connected with the shell 1 in a sliding manner, the grinding sheet fixing plate 3 is fixedly connected to the limiting block 6, two groups of racks 7 are arranged on one surface of the limiting block 6 close to the grinding motor 2, the two groups of racks 7 are respectively arranged on two sides of an output shaft of the grinding motor 2, a half gear 8 is fixedly connected on the output shaft of the grinding motor 2, the half gear 8 comprises a connecting sleeve 81 and transmission teeth 82, the transmission teeth 82 are fixedly connected to the outer side of the connecting sleeve 81, and a plurality, the connecting sleeve 81 is meshed with the rack 7; when the grinding motor 2 rotates, the grinding motor 2 drives the connecting sleeve 81 to rotate, in the rotating process of the connecting sleeve 81, the transmission teeth 82 are intermittently meshed with the racks 7 on two sides of the grinding motor 2, so that the half gear 8 can drive the limiting block 6 to do reciprocating linear motion, the grinding motor 2 drives the grinding sheet fixing plate 3 to do reciprocating linear motion, the grinding sheet fixing plate 3 drives the grinding sheet 4 to do reciprocating linear motion, and the grinding sheet 4 can rub a processed object on the surface of the processed object;
the PCB 5 is fixedly connected to the tail of the polishing motor 2 of the shell 1, the PCB 5 is electrically connected with the polishing motor 2, and the PCB 5 is used for preventing the polishing motor 2 from being damaged;
preferably, the grinding motor 2 is a double-head motor, a fan 21 is arranged at one end of the grinding motor 2 far away from the limiting block 6, an air inlet is formed in the outer side of the fan 21 of the shell 1, an air outlet is formed in one end, close to the half gear 8, of the shell 1, when the fan 21 rotates, the fan 21 sucks in outside air and blows out the outside air from the air outlet, and the fan 21 plays a role in cooling the grinding motor 2;
preferably, a limiting block 12 is arranged on the inner wall of the shell 1, which is in contact with the limiting block 6, the limiting block 12 is a strip-shaped block, the limiting block 6 is in an i-shape, and the first spring seats 11 are arranged in the U-shaped grooves on the two sides of the limiting block 6, so that the limiting block 6 can only slide along the axis of the limiting block 6;
preferably, in order to enable the limiting block 6 to stably slide, the two ends of the limiting block 6 are provided with second spring seats 61, the second spring seats 61 are of cylindrical structures, the shell 1 is provided with first spring seats 11 at positions corresponding to the two ends of the limiting block 6, the first spring seats 11 are of cylindrical structures, the first spring seats 11 and the second spring seats 61 are sleeved with compression springs 9, and the compression springs 9 are used for improving the stability of the limiting block 6 and preventing the limiting block 6 from moving in the shell 1;
in some examples, the rack 7 is fixedly connected to the limiting block 6 through a screw;
the polishing piece fixing plate 3 is a flat plate, and the polishing piece fixing plate 3 is fixedly connected to the limiting block 6 through screws;
the polishing plate 4 is fixedly connected to the limiting block 6 through screws.
Example 2
As shown in figures 1-3, a hand-held grinding device comprises a shell 1, a grinding motor 2 is fixedly connected in the shell 1, the grinding motor 2 is connected with a grinding sheet fixing plate 3, a grinding sheet 4 is fixedly connected on the grinding sheet fixing plate 3, the grinding sheet 4 is a flat plate type grinding sheet, a limiting block 6 is arranged between the grinding motor 2 and the grinding sheet fixing plate 3 of the shell 1, the limiting block 6 is connected with the shell 1 in a sliding manner, the grinding sheet fixing plate 3 is fixedly connected to the limiting block 6, two groups of racks 7 are arranged on one surface of the limiting block 6 close to the grinding motor 2, the two groups of racks 7 are respectively arranged on two sides of an output shaft of the grinding motor 2, a half gear 8 is fixedly connected on the output shaft of the grinding motor 2, the half gear 8 comprises a connecting sleeve 81 and transmission teeth 82, the transmission teeth 82 are fixedly connected to the outer side of the connecting sleeve 81, and a plurality, the connecting sleeve 81 is meshed with the rack 7;
preferably, in this embodiment, two sides of the polishing sheet 4 are respectively provided with a first polishing block 41 and a second polishing block 42, the first polishing block 41 and the second polishing block 42 are both square blocks, and the first polishing block 41 and the second polishing block 42 are used for polishing a plane in a narrow space;
preferably, the two ends of the polishing sheet 4 are respectively provided with a third polishing block 43 and a polishing rod 44, the third polishing block 43 is a strip-shaped block, the third polishing block 43 is used for polishing a plane in a narrow space, the polishing rod 44 is connected with the polishing sheet 4 through threads, the polishing rod 44 is a round rod, polishing grains are arranged on the polishing rod 44, the polishing rod 44 is used for polishing holes, a polishing rod mounting hole 45 is formed in the mounting position of the polishing rod 44 of the polishing sheet 4, the polishing rod mounting hole 45 is a threaded hole, and an external thread is arranged on the polishing rod 44;
other structures in this embodiment are the same as those in embodiment 1.
In summary, the working principle of the invention is as follows:
when the grinding motor 2 rotates, the grinding motor 2 drives the connecting sleeve 81 to rotate, in the rotating process of the connecting sleeve 81, the transmission teeth 82 are intermittently meshed with the racks 7 on two sides of the grinding motor 2, so that the half gear 8 can drive the limiting block 6 to do reciprocating linear motion, the grinding motor 2 drives the grinding sheet fixing plate 3 to do reciprocating linear motion, the grinding sheet fixing plate 3 drives the grinding sheet 4 to do reciprocating linear motion, and the grinding sheet 4 can rub a processed object on the surface of the processed object;
the first sanding block 41 and the second sanding block 42 are small in size, the first sanding block 41 and the second sanding block 42 can penetrate into a narrow space to conduct transverse sanding, and the third sanding block 43 and the sanding rod 44 can enter the narrow space to conduct longitudinal sanding.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A hand-held grinding device comprises a shell (1), a grinding motor (2) is fixedly connected in the shell (1), the grinding motor (2) is connected with a grinding sheet fixing plate (3), and a grinding sheet (4) is fixedly connected on the grinding sheet fixing plate (3), the hand-held grinding device is characterized in that the grinding sheet (4) is a flat plate type grinding sheet, a limiting block (6) is arranged between the grinding motor (2) and the grinding sheet fixing plate (3) on the shell (1), the limiting block (6) is in sliding connection with the shell (1), the grinding sheet fixing plate (3) is fixedly connected to the limiting block (6), one surface of the limiting block (6) close to the grinding motor (2) is provided with two groups of racks (7), the two groups of racks (7) are respectively arranged on two sides of an output shaft of the grinding motor (2), a half gear (8) is fixedly connected on the output shaft of the grinding motor (2), the half gear (8) comprises a connecting, the transmission teeth (82) are fixedly connected to the outer side of the connecting sleeve (81), a plurality of groups of transmission teeth (82) are uniformly distributed in a sector area smaller than (180) degrees on the connecting sleeve (81), and the connecting sleeve (81) is meshed with the rack (7).
2. The hand-held grinding device of claim 1, characterized in that the grinding motor (2) is a double-head motor, the grinding motor (2) is provided with a fan (21) at one end far away from the limiting block (6), the housing (1) is provided with an air inlet at the outer side of the fan (21), and the housing (1) is provided with an air outlet at one end of the grinding motor (2) close to the half gear (8).
3. The hand-held grinding device according to claim 1, characterized in that a limiting block (12) is arranged on the inner wall of the housing (1) contacting with the limiting block (6), the limiting block (12) is a bar-shaped block, the limiting block (6) is in an I shape, and the first spring seats (11) are arranged in U-shaped grooves on two sides of the limiting block (6).
4. The hand-held grinding device according to claim 2, wherein two ends of the limiting block (6) are provided with second spring seats (61), the second spring seats (61) are of cylindrical structures, the positions of the shell (1) corresponding to the two ends of the limiting block (6) are provided with first spring seats (11), the first spring seats (11) are of cylindrical structures, and the first spring seats (11) and the second spring seats (61) are sleeved with compression springs (9).
5. A hand-held grinding device according to claims 1-4, characterized in that the grinding sheet (4) is provided on both sides with a first grinding block (41) and a second grinding block (42), respectively, said first grinding block (41) and second grinding block (42) being square blocks.
6. The hand-held grinding device according to any one of claims 1 to 4, characterized in that the grinding sheet (4) is provided at both ends with a third grinding block (43) and a grinding rod (44), respectively, the third grinding block (43) being a bar-shaped block, the grinding rod (44) being a round rod, the grinding rod (44) being provided with grinding lines.
7. The hand-held grinding device according to claim 6, characterized in that the grinding plate (4) is provided with a grinding rod mounting hole (45) at the mounting position of the grinding rod (44), the grinding rod mounting hole (45) is a threaded hole, and the grinding rod (44) is provided with an external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010616101.7A CN111702620A (en) | 2020-07-01 | 2020-07-01 | Hand-held type grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010616101.7A CN111702620A (en) | 2020-07-01 | 2020-07-01 | Hand-held type grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111702620A true CN111702620A (en) | 2020-09-25 |
Family
ID=72543949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010616101.7A Pending CN111702620A (en) | 2020-07-01 | 2020-07-01 | Hand-held type grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111702620A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246014A (en) * | 2021-06-04 | 2021-08-13 | 黄河水利职业技术学院 | High-efficient grinder of combined type based on reation kettle crystallizer |
| CN115106862A (en) * | 2022-07-22 | 2022-09-27 | 山东绿色新技术开发有限公司 | Finish machining equipment for wood composite board |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205363466U (en) * | 2015-12-25 | 2016-07-06 | 王禄斌 | Radius angle mill |
| US20180243877A1 (en) * | 2016-06-08 | 2018-08-30 | Guangdong University Of Technology | Double-face polishing device and method capable of controlling rigidity of polishing pad through cluster dynamic magnetic field |
| CN110405608A (en) * | 2019-09-05 | 2019-11-05 | 张家港市众利机电制造有限公司 | A kind of smart grinding device of steel plate |
| CN210160905U (en) * | 2019-05-14 | 2020-03-20 | 黄伟达 | Novel mill |
| CN210290176U (en) * | 2019-09-11 | 2020-04-10 | 昆山弗莱亚机电设备有限公司 | Coaxial self-priming acid and alkali resistant pump |
| CN210360776U (en) * | 2019-08-12 | 2020-04-21 | 安徽海德门窗股份有限公司 | Metal door and window processing dust removal grinding device |
| CN210757143U (en) * | 2019-10-28 | 2020-06-16 | 诸暨市震达轴承有限公司 | Multi-caliber grinding device for steel cast copper sleeve |
-
2020
- 2020-07-01 CN CN202010616101.7A patent/CN111702620A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205363466U (en) * | 2015-12-25 | 2016-07-06 | 王禄斌 | Radius angle mill |
| US20180243877A1 (en) * | 2016-06-08 | 2018-08-30 | Guangdong University Of Technology | Double-face polishing device and method capable of controlling rigidity of polishing pad through cluster dynamic magnetic field |
| CN210160905U (en) * | 2019-05-14 | 2020-03-20 | 黄伟达 | Novel mill |
| CN210360776U (en) * | 2019-08-12 | 2020-04-21 | 安徽海德门窗股份有限公司 | Metal door and window processing dust removal grinding device |
| CN110405608A (en) * | 2019-09-05 | 2019-11-05 | 张家港市众利机电制造有限公司 | A kind of smart grinding device of steel plate |
| CN210290176U (en) * | 2019-09-11 | 2020-04-10 | 昆山弗莱亚机电设备有限公司 | Coaxial self-priming acid and alkali resistant pump |
| CN210757143U (en) * | 2019-10-28 | 2020-06-16 | 诸暨市震达轴承有限公司 | Multi-caliber grinding device for steel cast copper sleeve |
Non-Patent Citations (1)
| Title |
|---|
| 罗玉福等: "《机械设计基础》", 30 June 2015, 北京航空航天大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246014A (en) * | 2021-06-04 | 2021-08-13 | 黄河水利职业技术学院 | High-efficient grinder of combined type based on reation kettle crystallizer |
| CN113246014B (en) * | 2021-06-04 | 2022-02-25 | 黄河水利职业技术学院 | High-efficient grinder of combined type based on reation kettle crystallizer |
| CN115106862A (en) * | 2022-07-22 | 2022-09-27 | 山东绿色新技术开发有限公司 | Finish machining equipment for wood composite board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209793337U (en) | panel side grinding device | |
| CN111702620A (en) | Hand-held type grinding device | |
| CN202607434U (en) | Handheld sharpening bar | |
| CN213164568U (en) | Bearing flange grinding machine | |
| CN213532030U (en) | Polishing and dust removing device for wood processing | |
| CN214025034U (en) | Grinding processing device for special-shaped plastic parts | |
| CN209774226U (en) | Machining tool for toothed elevator door vane | |
| CN105619211A (en) | Crankshaft polishing device | |
| CN218427413U (en) | Edging equipment for processing toughened glass | |
| CN213532014U (en) | Grinding wheel machine | |
| CN219853629U (en) | Protective type grinding machine | |
| CN220296781U (en) | Double-end burnishing machine | |
| CN216265015U (en) | Grinding device used after steel heat treatment | |
| CN216577092U (en) | Fastener grinding device | |
| CN212192425U (en) | Novel grinder supporting seat with high stability | |
| CN215967987U (en) | Polisher with anti-vibration structure | |
| CN212601166U (en) | Damping device for grinding machine | |
| CN214292624U (en) | Optimized machining round grinding clamping device | |
| CN216098018U (en) | Polishing equipment | |
| CN210046514U (en) | Machine part machining grinding machine convenient to remove bits | |
| CN215617285U (en) | Polishing device for processing shaft parts of infrared refrigeration equipment | |
| CN220592669U (en) | Compact ultra-light electric angle grinder | |
| CN219787980U (en) | Dust removal mechanism of electric polisher | |
| CN211565414U (en) | Device of adjustable grinding part plane degree | |
| CN215547675U (en) | Oxide layer cleaning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200925 |