CN114654351A - A grind paper-back edition and put for broom brush hair - Google Patents
A grind paper-back edition and put for broom brush hair Download PDFInfo
- Publication number
- CN114654351A CN114654351A CN202210140791.2A CN202210140791A CN114654351A CN 114654351 A CN114654351 A CN 114654351A CN 202210140791 A CN202210140791 A CN 202210140791A CN 114654351 A CN114654351 A CN 114654351A
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- Prior art keywords
- box
- broom
- top end
- installation
- wall
- 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
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- 244000007853 Sarothamnus scoparius Species 0.000 title claims abstract description 40
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims description 16
- 241000196324 Embryophyta Species 0.000 claims 2
- 244000309464 bull Species 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 7
- 238000003860 storage Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D9/00—Machines for finishing brushes
-
- 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
-
- 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
-
- 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
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure only
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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
- B24B47/10—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
- 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)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a grinding device for broom bristles, which comprises a device box and an installation frame, wherein slide rails are arranged at the top end of the device box, a slide block is arranged inside the slide rails, a workbench is arranged at the top end of the slide block, a first motor is arranged at the top end of the workbench, a first rotating shaft is arranged at the output end of the first motor through a coupler, a first transmission wheel is arranged on the outer wall of the first rotating shaft, a fixed plate is arranged at the top end of the workbench, a first rotating rod is arranged inside the fixed plate through a bearing, an installation block is arranged at one end of the first rotating rod, a clamp main body is arranged at one end of the installation block, the installation box is arranged at the top end of the device box, and a second rotating rod is arranged inside the installation box through a bearing. This a grind paper-back edition and put for broom brush hair passes through the design of containing box, is convenient for make the containing box accomodate the piece, avoids the piece to pile up the top at the device case to cause certain influence to operating personnel.
Description
Technical Field
The invention relates to the technical field of broom bristle processing, in particular to a grinding device for broom bristles.
Background
With the development of society, the types of besoms are more and more, sweeping is generally composed of a rod and bristles, and when the bristles of the besom are processed, the besom needs to be ground through a grinding device.
However, the conventional process for manufacturing the brush plate has the following problems: at present, when the broom bristles are polished for a long time, most of broom bristles on the market are ground into flat devices, the long-time accumulation of chips on the flat devices is easily caused, and operators are not convenient to clean, so that the flat grinding efficiency of the broom bristles of the operators is influenced. And most broom brush hair grind flat device on the existing market, the structure is comparatively complicated, is not convenient for operating personnel to operate, is not convenient for operating personnel to carry out spacing fixed to the broom brush hair simultaneously, has increased operating personnel's intensity of labour.
Disclosure of Invention
The invention aims to provide a grinding device for broom bristles, and aims to solve the problems that the chips are easy to accumulate on the grinding device for a long time, the cleaning by operators is inconvenient, the structure is complex, the operation by the operators is inconvenient, and the limitation and the fixation of the broom bristles by the operators are inconvenient.
In order to achieve the purpose, the invention provides the following technical scheme: a grinding device for broom bristles comprises a device box and an installation frame, wherein slide rails are arranged at the top end of the device box, a slide block is arranged inside the slide rails, a workbench is arranged at the top end of the slide block, a first motor is arranged at the top end of the workbench, a first rotating shaft is arranged at the output end of the first motor through a coupling, a first transmission wheel is arranged on the outer wall of the first rotating shaft, a fixed plate is arranged at the top end of the workbench, a first rotating rod is arranged inside the fixed plate through a bearing, an installation block is arranged at one end of the first rotating rod, a clamp main body is arranged at one end of the installation block, the installation box is arranged at the top end of the device box, a second rotating rod is arranged inside the installation box through a bearing, a roller and a third transmission wheel are arranged on the outer wall of the second rotating rod, a through hole is formed in the side wall of one side of the installation box, a feeding hopper is arranged on the side wall of one end of the device box, the limiting plate is installed to the one end of workstation, L type backup pad is installed to the lateral wall of device case one side, and L type backup pad one side installs the electric pneumatic cylinder that is connected with the limiting plate.
The grinding device for the broom bristles, provided by the technical scheme, is characterized in that a second motor is installed at the top end of a device box, a second rotating shaft is installed at the output end of the second motor through a coupler, a fourth driving wheel is installed on the outer wall of the second rotating shaft, a second driving belt is arranged inside the fourth driving wheel, and the second driving belt is communicated with a third driving wheel.
This technical scheme provides a grind paper-back edition and put for broom brush hair, the installing frame is installed to the lateral wall of device case one end, and the inside of installing frame has all seted up first ventilation pipe, the internally mounted of first ventilation pipe has first exhaust fan.
The utility model provides a grind paper-back edition and put for broom brush hair that this technical scheme provided, the containing box is installed to the lateral wall of device case one end, and the containing box is located the below of feeder hopper.
According to the technical scheme, the outer wall of the first rotating rod is sleeved with the second driving wheel, the first driving belt is arranged inside the second driving wheel, and the first driving belt is communicated with the first driving wheel.
This technical scheme provides a grind paper-back edition and put for broom brush hair, the second ventilation pipe has all been seted up to the inside of feeder hopper, and the internally mounted of second ventilation pipe has the third air discharge fan.
According to the technical scheme, the side wall of one side of the device box is hinged with the door plate main body, and the handle is installed on the side wall of one side of the door plate main body.
This technical scheme provides a grind paper-back edition and put for broom brush hair, the inside of anchor clamps main part has all seted up the recess, and the internally mounted of recess has the pneumatic cylinder, first fixture block is installed to the one end of pneumatic cylinder.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the installation frame, the first ventilation pipe, the first exhaust fan, the feed hopper, the second ventilation pipe and the third exhaust fan are installed, the first exhaust fan is started to drive air to be blown to the top end of the device box through the first ventilation pipe, meanwhile, through the design of the feed hopper, the collection of chips blown by the first ventilation pipe is facilitated, and meanwhile, the third exhaust fan is started to drive air in the second ventilation pipe to be discharged outwards, so that the chip collection effect of the feed hopper is facilitated to be better, and meanwhile, through the design of the storage box, the storage box is facilitated to store the chips, so that the chips are prevented from being accumulated at the top end of the device box, and certain influence is caused to operators.
2. The broom brush head fixing clamp is provided with the clamp main body, the feed hopper, the first clamping block, the groove, the electric pneumatic cylinder and the workbench, when the broom brush head is sleeved on the outer wall of the clamp main body, the first clamping block is driven to stretch by starting the hydraulic cylinder, so that the first clamping block is attached to the broom brush head, the clamp main body is convenient to limit and fix, an operator can fix the clamp main body conveniently, meanwhile, the electric pneumatic cylinder is started, the workbench is driven to slide in the sliding rail through the sliding block through the mutual matching of the sliding rail and the sliding block, the broom brush head is convenient to be attached to the roller, and the broom brush head is driven to rotate by starting the first motor, so that the operator can grind the broom brush head flat.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 3 is a top view partially in section and schematically illustrating the structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the main body of the clamp of the present invention;
FIG. 5 is a schematic view of the feed hopper of the present invention;
FIG. 6 is a schematic view of the present invention.
In the figure: 1. a device case; 2. a slide rail; 3. a slider; 4. a work table; 5. a first motor; 6. a first rotating shaft; 7. a first drive pulley; 8. a fixing plate; 9. a first rotating lever; 10. a second transmission wheel; 11. a first drive belt; 12. mounting blocks; 13. a clamp body; 14. installing a box; 15. a second rotating rod; 16. a roller; 17. a third transmission wheel; 18. a through hole; 19. a second motor; 20. a second rotating shaft; 21. a fourth transmission wheel; 22. a second belt; 23. installing a frame; 24. a first vent pipe; 25. a first exhaust fan; 26. a feed hopper; 27. a second vent pipe; 28. a third exhaust fan; 29. an L-shaped support plate; 30. an electric pneumatic cylinder; 31. a limiting plate; 32. a first clamping block; 33. a storage box; 34. a door panel main body; 35. a groove; 36. and a hydraulic cylinder.
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.
Referring to fig. 1-6, an embodiment of the present invention is shown: a grinding device for broom bristles comprises a device box 1 and an installation frame 23, wherein slide rails 2 are arranged at the top end of the device box 1, slide blocks 3 are arranged inside the slide rails 2, and a workbench 4 is arranged at the top ends of the slide blocks 3;
the side wall of one end of the device box 1 is provided with the containing box 33, the containing box 33 is positioned below the feed hopper 26, the feed hopper 26 is internally provided with the second vent pipe 27, the third vent pipe 27 is internally provided with the third exhaust fan 28, and the third exhaust fan 28 is started to drive the air in the second vent pipe 27 to be discharged outwards, so that the effect of the feed hopper 26 on collecting the debris is better;
the side wall of one end of the device box 1 is provided with the mounting frame 23, the inside of the mounting frame 23 is provided with the first ventilation pipe 24, the inside of the first ventilation pipe 24 is provided with the first exhaust fan 25, the side wall of one side of the device box 1 is hinged with the door panel main body 34, the side wall of one side of the door panel main body 34 is provided with the handle, the first exhaust fan 25 is started to drive air to be blown to the top end of the device box 1 through the first ventilation pipe 24, and meanwhile, an operator can conveniently open the door panel main body 34 through the handle to store articles;
a first motor 5 is installed at the top end of the workbench 4, a first rotating shaft 6 is installed at the output end of the first motor 5 through a coupler, a first transmission wheel 7 is installed on the outer wall of the first rotating shaft 6, a fixing plate 8 is installed at the top end of the workbench 4, and a first rotating rod 9 is installed inside the fixing plate 8 through a bearing;
a second transmission wheel 10 is sleeved on the outer wall of the first rotating rod 9, a first transmission belt 11 is arranged inside the second transmission wheel 10, the first transmission belt 11 is communicated with the first transmission wheel 7, and the first rotating rod 9 is driven to rotate simultaneously when the first rotating shaft 6 rotates through the design of the first transmission wheel 7, the first transmission belt 11 and the second transmission wheel 10;
one end of the first rotating rod 9 is provided with an installation block 12, and one end of the installation block 12 is provided with a clamp body 13;
the clamp main body 13 is internally provided with grooves 35, hydraulic cylinders 36 are arranged in the grooves 35, one ends of the hydraulic cylinders 36 are provided with first fixture blocks 32, the hydraulic cylinders 36 are started to drive the first fixture blocks 32 to move, and the first fixture blocks 32 are convenient to limit and fix broom bristles;
the top end of the device box 1 is provided with an installation box 14, a second rotating rod 15 is arranged in the installation box 14 through a bearing, and the outer wall of the second rotating rod 15 is provided with a roller 16 and a third driving wheel 17;
a second motor 19 is installed at the top end of the device box 1, a second rotating shaft 20 is installed at the output end of the second motor 19 through a coupler, a fourth driving wheel 21 is installed on the outer wall of the second rotating shaft 20, a second driving belt 22 is arranged inside the fourth driving wheel 21, and the second driving belt 22 is communicated with a third driving wheel 17;
the side wall of one side of the installation box 14 is provided with a through hole 18, the side wall of one end of the device box 1 is provided with a feed hopper 26, one end of the workbench 4 is provided with a limit plate 31, the side wall of one side of the device box 1 is provided with an L-shaped support plate 29, and one side of the L-shaped support plate 29 is provided with an electric pneumatic cylinder 30 connected with the limit plate 31.
The working principle is as follows: when the grinding device for broom bristles is used, firstly, the broom bristles are sleeved on the outer wall of the clamp main body 13, then the hydraulic cylinder 36 is started to drive the first clamping block 32 to move, so that the first clamping block 32 can limit and fix the broom bristles, then the electric pneumatic cylinder 30 is started, and the sliding rail 2 and the sliding block 3 are matched with each other, so that the electric pneumatic cylinder 30 drives the workbench 4 to slide in the sliding rail 2 through the sliding block 3, so that the broom bristles are attached to the roller 16, then the first motor 5 is started to drive the first rotating shaft 6 and the first driving wheel 7 to rotate, and through the design of the first driving wheel 7, the first driving belt 11 and the second driving wheel 10, the first rotating shaft 6 is driven to rotate while the first rotating rod 9 is driven to rotate simultaneously, and through the rotation of the first rotating rod 9, the mounting block 12 and the clamp main body 13 are driven to rotate simultaneously, thereby facilitating the grinding of the broom brush hair;
when the chips generated by the grinding are required to be cleaned, the first exhaust fan 25 is started to drive air to blow to the top end of the device box 1 through the first vent pipe 24, meanwhile, through the design of the feed hopper 26, the chips blown by the first vent pipe 24 are convenient to collect, meanwhile, the third exhaust fan 28 is started to drive the air inside the second vent pipe 27 to be discharged outwards, so that the effect of the feed hopper 26 on the chip collection is better, meanwhile, through the design of the storage box 33, the storage box 33 is convenient to store the chips, the chips are prevented from being accumulated at the top end of the device box 1, and therefore certain influence is caused on operators.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and do not limit the protection scope of the present invention, and those skilled in the art can make simple modifications or equivalent substitutions on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a grind paper-back edition and put for broom brush hair, includes device case and installing frame, its characterized in that: the top end of the device box is provided with slide rails, a slide block is arranged inside the slide rails, the top end of the slide block is provided with a workbench, the top end of the workbench is provided with a first motor, the output end of the first motor is provided with a first rotating shaft through a coupler, the outer wall of the first rotating shaft is provided with a first transmission wheel, the top end of the workbench is provided with a fixed plate, the inside of the fixed plate is provided with a first rotating rod through a bearing, one end of the first rotating rod is provided with an installation block, one end of the installation block is provided with a clamp main body, the top end of the device box is provided with an installation box, the inside of the installation box is provided with a second rotating rod through a bearing, the outer wall of the second rotating rod is provided with a roller and a third transmission wheel, the side wall of one side of the installation box is provided with a through hole, the side wall of one end of the device box is provided with a feed hopper, and one end of the workbench is provided with a limit plate, l type backup pad is installed to the lateral wall of device case one side, and L type backup pad one side installs the electric pneumatic cylinder that is connected with the limiting plate.
2. A sanding device for broom bristles according to claim 1 wherein: the device is characterized in that a second motor is installed at the top end of the device box, a second rotating shaft is installed at the output end of the second motor through a coupler, a fourth driving wheel is installed on the outer wall of the second rotating shaft, a second driving belt is arranged inside the fourth driving wheel, and the second driving belt is communicated with the third driving wheel.
3. A device for grinding the bristles of a broom according to claim 1 wherein: the installation frame is installed to the lateral wall of device case one end, and the inside of installation frame has all seted up first ventilation pipe, the internally mounted of first ventilation pipe has first exhaust fan.
4. A device for grinding the bristles of a broom according to claim 1 wherein: the lateral wall of device case one end is installed the containing box, and the containing box is located the below of feeder hopper.
5. A sanding device for broom bristles according to claim 1 wherein: the outer wall cover of first bull stick is equipped with the second drive wheel, and the inside of second drive wheel is provided with first drive belt, first drive belt is linked together with first drive wheel.
6. A sanding device for broom bristles according to claim 1 wherein: a second ventilation pipe is arranged inside the feeding hopper, and a third exhaust fan is arranged inside the second ventilation pipe.
7. A sanding device for broom bristles according to claim 1 wherein: the lateral wall of device case one side articulates there is the door plant main part, and the lateral wall of door plant main part one side installs the handle.
8. A device for grinding the bristles of a broom according to claim 1 wherein: the fixture comprises a fixture body and is characterized in that grooves are formed in the fixture body, a hydraulic cylinder is arranged in each groove, and a first clamping block is arranged at one end of each hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210140791.2A CN114654351A (en) | 2022-02-16 | 2022-02-16 | A grind paper-back edition and put for broom brush hair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210140791.2A CN114654351A (en) | 2022-02-16 | 2022-02-16 | A grind paper-back edition and put for broom brush hair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114654351A true CN114654351A (en) | 2022-06-24 |
Family
ID=82026782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210140791.2A Pending CN114654351A (en) | 2022-02-16 | 2022-02-16 | A grind paper-back edition and put for broom brush hair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114654351A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369049A (en) * | 2014-10-29 | 2015-02-25 | 湖州美通铝业有限公司 | Section bar chipping recovery device |
| CN210731919U (en) * | 2019-08-02 | 2020-06-12 | 青岛合固木塑机械有限公司 | PVC wood-plastic hollow door plate sander |
| CN211916094U (en) * | 2019-12-25 | 2020-11-13 | 江苏牛牌精密机床有限公司 | Three-sided chip removal machine tool base |
| WO2021223065A1 (en) * | 2020-05-05 | 2021-11-11 | 鹏辰新材料科技股份有限公司 | Dust suction device for chemical raw material |
| CN214817727U (en) * | 2021-01-20 | 2021-11-23 | 福建旭豪机械有限公司 | Clamping die for producing and polishing sewing machine accessories |
-
2022
- 2022-02-16 CN CN202210140791.2A patent/CN114654351A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104369049A (en) * | 2014-10-29 | 2015-02-25 | 湖州美通铝业有限公司 | Section bar chipping recovery device |
| CN210731919U (en) * | 2019-08-02 | 2020-06-12 | 青岛合固木塑机械有限公司 | PVC wood-plastic hollow door plate sander |
| CN211916094U (en) * | 2019-12-25 | 2020-11-13 | 江苏牛牌精密机床有限公司 | Three-sided chip removal machine tool base |
| WO2021223065A1 (en) * | 2020-05-05 | 2021-11-11 | 鹏辰新材料科技股份有限公司 | Dust suction device for chemical raw material |
| CN214817727U (en) * | 2021-01-20 | 2021-11-23 | 福建旭豪机械有限公司 | Clamping die for producing and polishing sewing machine accessories |
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