CN117506613A - A kind of insulation board edge trimming device - Google Patents
A kind of insulation board edge trimming device Download PDFInfo
- Publication number
- CN117506613A CN117506613A CN202311726983.2A CN202311726983A CN117506613A CN 117506613 A CN117506613 A CN 117506613A CN 202311726983 A CN202311726983 A CN 202311726983A CN 117506613 A CN117506613 A CN 117506613A
- Authority
- CN
- China
- Prior art keywords
- motor
- insulation board
- workbench
- driving
- trimming device
- 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
- 238000009413 insulation Methods 0.000 title claims abstract description 33
- 238000009966 trimming Methods 0.000 title claims abstract description 19
- 238000005498 polishing Methods 0.000 claims abstract description 32
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims description 38
- 239000011810 insulating material Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 5
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect 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
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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
-
- 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
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- 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
-
- 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
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses an insulation board trimming device which comprises a workbench, wherein a conveying device for conveying an insulation board body is arranged at the top of the workbench, a mounting frame is fixedly arranged at the bottom of the workbench, a first motor is fixedly arranged on the mounting frame, a rotating piece is connected with the driving of the first motor, the rotating piece rotates on the mounting frame, a rotation driving assembly is arranged on the rotating piece, a bidirectional screw rod is connected with the rotation driving assembly in a driving mode, and the bidirectional screw rod rotates in the rotating piece. The invention adopts the structure that: according to the heat-insulating plate trimming device provided by the invention, the rotation driving assembly is utilized to drive the bidirectional screw rod to rotate, so that the threaded sleeve can move, and the threaded sleeve moves along the slide rod, so that the polishing disc is close to the heat-insulating plate body, two sides of the heat-insulating plate can be polished simultaneously, and the polishing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of insulation board processing, in particular to an insulation board trimming device.
Background
The heat-insulating material is used more and more widely in the building industry, the heat-insulating material is manufactured by cutting various strip-shaped heat-insulating materials with different widths into a section with the same length, after the heat-insulating material is cut into sections, the two ends of the section-shaped heat-insulating material are easy to have uneven cutting, if the heat-insulating material is directly used for a building, the integral effect of the building is easy to be influenced, the heat-insulating effect is poor, inconvenience is brought to construction, and therefore the section-shaped heat-insulating material is required to be trimmed.
However, when trimming the insulation board, only one end of the insulation board can be polished and then turned over and then polished, for example, a rotating motor is installed at one end of a workbench of the building insulation board trimming device disclosed in patent publication No. CN212554106U, a polishing disc is installed on the rotating motor, and one end of the insulation board is polished through movement of the polishing disc, but after polishing one end of the insulation board, the insulation board is required to be turned over and polished after a series of fixing operations are performed again, the polishing efficiency is low, the polishing disc can only be polished parallel to the end face of the insulation board, and the chamfer between the side end face and the top face or the bottom face of the insulation board cannot be trimmed, so that a good trimming state cannot be achieved.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an insulation board trimming device which is used for solving the problem that only single-sided polishing can be performed.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a heated board deburring device, includes the workstation, the top of workstation is provided with the conveyor who is used for carrying the heated board body, the bottom fixed mounting of workstation has the mounting bracket, fixed mounting has first motor on the mounting bracket, the drive of first motor is connected with the rotation piece, rotate on the mounting bracket, install rotation drive assembly on the rotation piece, rotation drive assembly drive is connected with two-way lead screw, two-way lead screw is at the rotation piece internal rotation, threaded sleeve is installed to two sides of two-way lead screw, fixed mounting has the slide bar on the rotation piece, threaded sleeve slides on the slide bar, the top fixedly connected with connecting rod of threaded sleeve, fixed mounting has the second motor on the connecting rod, the output of second motor is connected with the polishing dish, dust absorption subassembly is installed to the top of workstation.
Preferably, the first motor is in driving connection with a driving bevel gear, the driving bevel gear is in meshed connection with a driven bevel gear, and the driven bevel gear is fixedly arranged on the front face of the rotating piece.
Preferably, the conveying device comprises a driving piece and a sliding plate, the driving piece drives the sliding plate to slide on the workbench, the top of the sliding plate is fixedly connected with a connecting plate, a bolt is mounted on the connecting plate in a threaded manner, and the end part of the bolt is pressed on the heat insulation plate body.
Preferably, the rotation driving assembly comprises a third motor and a shell, the shell is arranged on the rotation piece, the third motor is fixedly arranged on the shell, the third motor is connected with a worm in a driving mode, the worm is connected with a worm wheel in a meshed mode, and the worm wheel is fixedly arranged at the middle position of the bidirectional screw rod.
Preferably, grid plates are arranged on two sides of the top of the workbench, a collecting bucket is fixedly connected to the bottom of the workbench, and a dust collecting box is arranged at the bottom of the collecting bucket.
Preferably, the dust collection assembly comprises a support frame and a negative pressure fan, the support frame is fixedly arranged at the top of the workbench, the negative pressure fan is fixedly arranged on the support frame, the suction end of the negative pressure fan is connected with a dust collection pipe, the end part of the dust collection pipe is connected with a fan housing, the fan housing is arranged above the polishing disc, and the air outlet end of the negative pressure fan is connected with a filter box with a filter screen.
In summary, the beneficial effects of the invention are as follows:
according to the heat-insulating plate trimming device provided by the invention, the rotation driving assembly is utilized to drive the bidirectional screw rod to rotate, so that the threaded sleeve can move, and the threaded sleeve moves along the slide rod, so that the polishing disc is close to the heat-insulating plate body, two sides of the heat-insulating plate can be polished simultaneously, and the polishing efficiency is improved.
The second, utilize first motor can drive the rotating member and rotate to can make the dish position slope of polishing to the top or the below to one side at heated board body edge, the cooperation third motor drives two-way lead screw and rotates and make the dish of polishing be close to the corner position of heated board body, thereby can carry out the deburring to the corner position of heated board body and polish, the deburring that makes the corner position also can be fine.
Third, have the aperture on the griddle plate that sets up, can be convenient for fall down the piece of deburring, concentrate through concentrating the concentration of fighting, fall into the dust collection incasement for table surface is convenient for clear up, simultaneously through setting up dust collection subassembly, through starting the negative pressure fan and enabling fan housing department to carry out the dust absorption, the dust falls into the filter box that has the filter screen through the dust absorption pipe, the excessive of dust has significantly reduced, has reduced dust pollution.
Drawings
FIG. 1 is a schematic view of the basic structure of the present invention;
FIG. 2 is a cross-sectional view of the portion A-A of FIG. 1 in accordance with the present invention;
fig. 3 is a top view of a table portion of the present invention.
Reference numerals: 1. a work table; 2. a conveying device; 201. a driving member; 202. a slide plate; 203. a connecting plate; 204. a bolt; 3. a mounting frame; 4. a first motor; 5. a rotating member; 6. a rotary drive assembly; 601. a third motor; 602. a housing; 603. a worm; 604. a worm wheel; 7. a two-way screw rod; 8. a thread sleeve; 9. a slide bar; 10. a connecting rod; 11. a second motor; 12. a thermal insulation board body; 13. polishing the grinding disc; 14. a dust collection assembly; 1401. a support frame; 1402. a dust collection pipe; 1403. a fan housing; 1404. a filter box; 1405. a negative pressure fan; 15. a drive bevel gear; 16. a driven bevel gear; 17. a grid plate; 18. a centralizing bucket; 19. a dust collection box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1-3, the trimming device for the insulation board provided by the invention comprises a workbench 1, wherein a conveying device 2 for conveying an insulation board body 12 is arranged at the top of the workbench 1, a mounting frame 3 is fixedly arranged at the bottom of the workbench 1, a first motor 4 is fixedly arranged on the mounting frame 3, a rotating member 5 is connected with a driving part 5, the rotating member 5 rotates on the mounting frame 3, a rotating driving component 6 is arranged on the rotating member 5, a bidirectional screw rod 7 is connected with the driving part 6, the bidirectional screw rod 7 rotates in the rotating member 5, threaded sleeves 8 are arranged at two sides of the bidirectional screw rod 7, sliding rods 9 are fixedly arranged on the rotating member 5, the threaded sleeves 8 slide on the sliding rods 9, a connecting rod 10 is fixedly connected at the top of the threaded sleeves 8, a second motor 11 is fixedly arranged on the connecting rod 10, a polishing disc 13 is connected at the output end of the second motor 11, and a dust collection component 14 is arranged above the workbench 1. The conveying device 2 on the workbench 1 is used for conveying the heat-insulating plate body 12, the device realizes the relative movement with the polishing disc 13 by conveying the heat-insulating plate body 12, the edge part of the heat-insulating plate is trimmed sequentially, the rotating piece 5 can be driven to rotate by the first motor 4, the bidirectional screw rod 7 can be enabled to rotate clockwise or anticlockwise along the rotating piece 5, the polishing disc 13 can be enabled to incline above or below the edge of the heat-insulating plate body 12, the bidirectional screw rod 7 can be driven to rotate by matching with the rotation driving assembly 6, the thread bush 8 can be enabled to move, the thread bush 8 moves along the sliding rod 9, the polishing disc 13 is enabled to be close to the heat-insulating plate body 12, therefore, the corners of the heat-insulating plate can be trimmed, the polishing disc 13 can be parallel to the side edge of the heat-insulating plate simultaneously, and the side face of the heat-insulating plate body 12 can be trimmed simultaneously.
The first motor 4 is in driving connection with a driving bevel gear 15, the driving bevel gear 15 is in meshed connection with a driven bevel gear 16, and the driven bevel gear 16 is fixedly arranged on the front face of the rotating piece 5. The first motor 4 is utilized to drive the drive bevel gear 15 to rotate, and the drive bevel gear 15 can drive the driven bevel gear 16 to rotate, so that the rotating piece 5 can be driven to rotate.
The conveying device 2 comprises a driving piece 201 and a sliding plate 202, the driving piece 201 drives the sliding plate 202 to slide on the workbench 1, a connecting plate 203 is fixedly connected to the top of the sliding plate 202, a bolt 204 is mounted on the connecting plate 203 in a threaded manner, and the end part of the bolt 204 is pressed on the heat insulation plate body 12. The driving piece 201 can drive the sliding plate 202 to slide, the driving piece 201 can be replaced by a manual work, when the insulation board body 12 is fixed by the bolt 204, the slowly sliding plate 202 can enable the insulation board body 12 to move to the polishing disc 13 for trimming and polishing, the end part of the bolt 204 is provided with the pressing plate, the pressing plate can be pressed on the insulation board body 12, and the sliding plate 202 can be provided with the measurer, so that the insulation board body 12 is located at the center position.
The rotary driving assembly 6 comprises a third motor 601 and a shell 602, the shell 602 is mounted on the rotary piece 5, the third motor 601 is fixedly mounted on the shell 602, a worm 603 is connected with the third motor 601 in a driving mode, a worm wheel 604 is connected with the worm 603 in a meshed mode, and the worm wheel 604 is fixedly mounted in the middle position of the bidirectional screw rod 7. The third motor 601 can drive the worm 603 to rotate, so that the worm wheel 604 can be driven to rotate, and the bidirectional screw rod 7 can be driven to rotate.
The two sides of the top of the workbench 1 are provided with grid plates 17, the bottom of the workbench 1 is fixedly connected with a collecting hopper 18, and the bottom of the collecting hopper 18 is provided with a dust box 19. The mesh plate 17 is provided with holes, so that the trimmed scraps can fall down conveniently, and fall into the dust box 19 through the concentration of the concentration hopper 18, so that the surface of the workbench 1 is convenient to clean and the scraps are also convenient to concentrate.
The dust collection assembly 14 comprises a support frame 1401 and a negative pressure fan 1405, the support frame 1401 is fixedly arranged at the top of the workbench 1, the negative pressure fan 1405 is fixedly arranged on the support frame 1401, the suction end of the negative pressure fan 1405 is connected with a dust collection pipe 1402, the end part of the dust collection pipe 1402 is connected with a fan housing 1403, the fan housing 1403 is arranged above the polishing disc 13, and the air outlet end of the negative pressure fan 1405 is connected with a filter box 1404 with a filter screen. When trimming and polishing, the negative pressure fan 1405 is started to enable the fan housing 1403 to suck dust, and the dust falls into the filter box 1404 with the filter screen through the dust suction pipe 1402, so that the overflow of the dust is greatly reduced, and the dust pollution is reduced.
Working principle: when in use, the heat-insulating plate body 12 is placed on the conveying device 2, the heat-insulating plate is placed in the middle by utilizing the measuring device, the bolt 204 is used for fixing, the second motor 11 can be started to polish the polishing disc 13, the conveying device 2 slowly transfers the heat-insulating plate body 12 to the polishing disc 13, the third motor 601 is started to drive the worm 603 to rotate, thereby driving the worm wheel 604 to rotate, and further driving the bidirectional screw rod 7 to rotate, so that the threaded sleeves 8 on two sides move, the polishing disc 13 is gradually close to the heat-insulating plate body 12, thereby trimming the two sides of the heat-insulating plate body 12 at the same time, the first motor 4 is started to drive the drive bevel gear 15 to rotate, the drive bevel gear 15 can drive the driven bevel gear 16 to rotate, and thus the rotating member 5 can be driven to rotate, thereby can make the slope of polishing dish 13 position to be inclined above or below the insulation board body 12 edge, cooperation third motor 601 drives bi-directional lead screw 7 and rotates and make polishing dish 13 be close to the corner position of insulation board body 12, thereby can carry out the deburring to the corner position of insulation board body 12, have the aperture on the grid plate 17 that sets up in the in-process of polishing, can be convenient for fall down the piece of deburring, through the concentration of concentrating the bucket 18, fall into dust collection box 19, make workstation 1 face be convenient for clear up, also be convenient for carry out centralized processing to the piece, when the deburring is polished, can make fan 1403 department carry out the dust absorption through starting negative pressure fan 1405, the dust falls into the filter tank 1404 that has the filter screen through dust absorption pipe 1402, the excessive of dust has significantly reduced, dust pollution has been reduced.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an heated board deburring device, includes workstation (1), its characterized in that: the utility model provides a dust collection device, including workstation (1), screw sleeve (8) are installed to the top of workstation (1) be provided with conveyor (2) that are used for carrying heated board body (12), the bottom fixed mounting of workstation (1) has mounting bracket (3), fixed mounting has first motor (4) on mounting bracket (3), the drive of first motor (4) is connected with rotor (5), rotor (5) rotate on mounting bracket (3), install rotation drive assembly (6) on rotor (5), rotation drive assembly (6) drive is connected with two-way lead screw (7), two-way lead screw (7) rotate in rotor (5), threaded sleeve (8) are installed to the both sides of two-way lead screw (7), fixed mounting has slide bar (9) on rotor (5), threaded sleeve (8) slide on slide bar (9), the top fixedly connected with connecting rod (10) of threaded sleeve (8), fixed mounting has second motor (11) on connecting rod (10), the output of second motor (11) is connected with polishing dish (13), dust collection assembly (14) above workstation (1).
2. An insulation board trimming device according to claim 1, wherein: the first motor (4) is connected with a driving bevel gear (15) in a driving mode, the driving bevel gear (15) is connected with a driven bevel gear (16) in a meshed mode, and the driven bevel gear (16) is fixedly installed on the front face of the rotating piece (5).
3. An insulation board trimming device according to claim 1, wherein: the conveying device (2) comprises a driving piece (201) and a sliding plate (202), the driving piece (201) drives the sliding plate (202) to slide on the workbench (1), a connecting plate (203) is fixedly connected to the top of the sliding plate (202), a bolt (204) is installed on the connecting plate (203) in a threaded mode, and the end portion of the bolt (204) is pressed on the heat insulation plate body (12).
4. An insulation board trimming device according to claim 1, wherein: the rotary driving assembly (6) comprises a third motor (601) and a shell (602), the shell (602) is arranged on the rotary piece (5), the third motor (601) is fixedly arranged on the shell (602), the third motor (601) is connected with a worm (603) in a driving mode, the worm (603) is connected with a worm wheel (604) in a meshed mode, and the worm wheel (604) is fixedly arranged at the middle position of the bidirectional screw rod (7).
5. An insulation board trimming device according to claim 1, wherein: grid plates (17) are arranged on two sides of the top of the workbench (1), a collecting hopper (18) is fixedly connected to the bottom of the workbench (1), and a dust collecting box (19) is arranged at the bottom of the collecting hopper (18).
6. An insulation board trimming device according to claim 1, wherein: the dust collection assembly (14) comprises a support frame (1401) and a negative pressure fan (1405), the support frame (1401) is fixedly arranged at the top of the workbench (1), the negative pressure fan (1405) is fixedly arranged on the support frame (1401), the suction end of the negative pressure fan (1405) is connected with a dust collection pipe (1402), the end part of the dust collection pipe (1402) is connected with a fan housing (1403), the fan housing (1403) is arranged above the polishing disc (13), and the air outlet end of the negative pressure fan (1405) is connected with a filter box (1404) with a filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311726983.2A CN117506613A (en) | 2023-12-15 | 2023-12-15 | A kind of insulation board edge trimming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311726983.2A CN117506613A (en) | 2023-12-15 | 2023-12-15 | A kind of insulation board edge trimming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117506613A true CN117506613A (en) | 2024-02-06 |
Family
ID=89743969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311726983.2A Pending CN117506613A (en) | 2023-12-15 | 2023-12-15 | A kind of insulation board edge trimming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117506613A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118456181A (en) * | 2024-07-10 | 2024-08-09 | 徐州夏立普机电有限公司 | Trimming device for processing rotary blade of ceiling fan |
-
2023
- 2023-12-15 CN CN202311726983.2A patent/CN117506613A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118456181A (en) * | 2024-07-10 | 2024-08-09 | 徐州夏立普机电有限公司 | Trimming device for processing rotary blade of ceiling fan |
| CN118456181B (en) * | 2024-07-10 | 2024-09-24 | 徐州夏立普机电有限公司 | Trimming device for processing rotary blade of ceiling fan |
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Application publication date: 20240206 |