CN107097097A - The dust exhaust apparatus up and down of PCB board separators - Google Patents
The dust exhaust apparatus up and down of PCB board separators Download PDFInfo
- Publication number
- CN107097097A CN107097097A CN201710323018.9A CN201710323018A CN107097097A CN 107097097 A CN107097097 A CN 107097097A CN 201710323018 A CN201710323018 A CN 201710323018A CN 107097097 A CN107097097 A CN 107097097A
- Authority
- CN
- China
- Prior art keywords
- dust suction
- dust
- pedestal
- exhaust apparatus
- pcb board
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
The present invention relates to a kind of dust exhaust apparatus up and down of PCB board separators, including：Upper dust suction subassembly and lower dust suction subassembly；Upper dust suction subassembly includes：Pedestal and the machining cell being connected on pedestal and upper cleaner unit；Machining cell includes：The driver being connected on pedestal, the slide for being slidably connected on pedestal and connecting driver, the main shaft on slide and the milling cutter on main shaft；Upper cleaner unit includes：The actuator that is connected on pedestal, the slide plate for being slidably connected on pedestal and connecting actuator and the upper dust suction cylinder on slide plate；Upper dust suction cylinder is set on main shaft, and the central shaft and the center overlapping of axles of milling cutter of upper dust suction cylinder；Lower dust suction subassembly includes：The dust-absorbing groove of installing plate and connection on a mounting board；Dust-absorbing groove is set towards upper dust suction cylinder.The dust exhaust apparatus up and down of above-mentioned PCB board separators, clad type and direct-drawing type dust suction operation when realizing PCB point plates, improves the clearance rate of dust and prevents dust from leaking.
Description
Technical field
Field, more particularly to a kind of dust exhaust apparatus up and down of PCB board separators are manufactured the present invention relates to printed substrate.
Background technology
PCB (Printed Circuit Board, printed substrate) is the carrier of electronic component electrical connection.In work
In industry, in order to realize batch production PCB, typically polylith PCB is produced on one block of plate, then will be each using PCB board separators
Block PCB is shear off.When cutting PCB, dust can be produced, if these dusts, which are remained in, can injure PCB electric wire on PCB
Road.Traditional PCB board separators set a dust catcher beside main shaft, and dust suction operation is carried out while milling cutter cuts PCB, with
Reduce the probability that dust is dropped on PCB.But, the dust that produces can be splashed to all directions during due to cutting PCB, only according to setting
Put the dust catcher beside main shaft, it is difficult to thoroughly remove dust and prevent dust from leaking, not only have impact on PCB product quality,
But also endanger the security of workplace.
The content of the invention
Based on this, the present invention is provided above and below the PCB board separators that a kind of clearance rate for improving dust and prevention dust leak
Dust exhaust apparatus.
A kind of dust exhaust apparatus up and down of PCB board separators, including：The lower suction that upper dust suction subassembly and relatively upper dust suction subassembly are set
Dirt component；Upper dust suction subassembly includes：Pedestal and the machining cell being connected on pedestal and upper cleaner unit；Machining cell bag
Include：The driver being connected on pedestal, the slide for being slidably connected on pedestal and connecting driver, the master on slide
Axle and the milling cutter on main shaft；Upper cleaner unit includes：The actuator that is connected on pedestal, it is slidably connected at pedestal
The slide plate and the upper dust suction cylinder on slide plate of upper and connection actuator；Upper dust suction cylinder is set on main shaft, and on
The central shaft of dust suction cylinder and the center overlapping of axles of milling cutter；Lower dust suction subassembly includes：The suction of installing plate and connection on a mounting board
Dirt groove；Dust-absorbing groove is set towards upper dust suction cylinder.
The dust exhaust apparatus up and down of above-mentioned PCB board separators, it constitutes a cladding by upper dust suction subassembly and lower dust suction subassembly
The dust exhaust apparatus of formula.Wherein, the machining cell in upper dust suction subassembly is used to perform to PCB cutting operation, and upper cleaner unit
Then it is used for when cutting PCB, the wherein one side to PCB carries out the dust suction operation of cover type.The dust-absorbing groove of lower dust suction subassembly with it is upper
The upper dust suction cylinder of cleaner unit is relative, carries out dust suction operation to PCB another side, the directly two-sided progress to PCB is inhaled simultaneously
Dirt operation, effectively improves the clearance rate of dust.During work, driver drives slide plate movement so that upper dust suction sleeve is moved to dress
Carry on PCB tool cover plate and will covering PCB in wherein, and dust suction sleeve is set on main shaft on this, in processing
During unit is griffed and lower knife is acted, upper dust suction sleeve covers PCB all the time, effectively prevents dust from leaking.By upper
Design is stated, clad type and direct-drawing type dust suction operation when realizing PCB point plates improve the clearance rate of dust and prevented outside dust
Let out.
In one of the embodiments, upper dust suction subassembly also includes：It is connected on pedestal and destatics nozzle；Destatic spray
The inner chamber of the upper dust suction cylinder of mouth connection；Lower dust suction subassembly also includes：Connection on a mounting board destatic unit；Destatic unit
Including：Connection mounting seat on a mounting board, the electrostatic induction piece being connected in mounting seat, the electric discharge being connected in mounting seat
Pin, the discharge connector for being connected in mounting seat and electrically connecting spray point and the jet joint being connected in mounting seat.In PCB
There is electrostatic problem during cutting, and electrostatic can damage PCB.Electron ion and the upper dust suction cylinder of supply are produced by destaticing nozzle
To eliminate electrostatic, and the electron ion discharged in view of destaticing nozzle may be excessive, therefore, is provided with lower dust suction subassembly
Unit is destaticed, the species of residual ionization is detected using electrostatic induction piece and feeds back to the control system of PCB board separators, so
Discharge the electron ion of opposite attribute to neutralize by spray point afterwards, lift the effect destaticed, damage of the reduction electrostatic to PCB
Rate.
In one of the embodiments, electrostatic induction piece is provided with the opening of multiple array distributions；Spray point is located at electrostatic sense
Answer between piece and mounting seat and set towards opening.
In one of the embodiments, mounting seat is provided with multiple strip crevices；Jet joint is located under strip crevice.
In one of the embodiments, upper cleaner unit also includes：It is connected on pedestal and connects the side of upper dust suction cylinder
Suction pipe.
In one of the embodiments, the periphery of upper dust suction sleeve is provided with hairbrush.When upper dust suction sleeve covers PCB,
Hairbrush is connected on PCB, and hairbrush matter is soft to avoid rigid collision between dust suction sleeve and PCB.If upper dust suction sleeve and PCB away from
From it is too small when, hairbrush can protect PCB with Bending Deformation.
In one of the embodiments, the side wall of upper dust suction cylinder is communicated with the adapter of the inner chamber of dust suction cylinder；
Adapter connection destatics nozzle.
In one of the embodiments, driver is connected by screw mandrel with slide.
In one of the embodiments, driver is servomotor.
In one of the embodiments, actuator is cylinder.
Brief description of the drawings
Fig. 1 is the schematic diagram of the dust exhaust apparatus up and down of the PCB board separators of an embodiment of the present invention；
Fig. 2 be Fig. 1 shown in PCB board separators dust exhaust apparatus up and down in upper dust suction subassembly schematic diagram；
Fig. 3 be Fig. 1 shown in PCB board separators dust exhaust apparatus up and down in lower dust suction subassembly decomposing schematic representation；
Fig. 4 is the decomposing schematic representation for destaticing unit in the lower dust suction subassembly shown in Fig. 3；
The implication of each label is in accompanying drawing：
The dust exhaust apparatus up and down of 10-PCB board separators；
The upper dust suction subassemblies of 20-, 21- pedestals, 22- machining cells, the upper cleaner units of 23-, 24- destatics nozzle, 25- drivings
Device, 26- slides, 27- main shafts, 28- milling cutters, 29- actuators, 210- slide plates, the upper dust suction cylinders of 211-, 212- side draught pipes, 213-
Hairbrush, 214- adapters；
Dust suction subassembly under 30-, 31- installing plates, 32- dust-absorbing grooves, 33- destatics unit, 34- mounting seats, 35- electrostatic inductions
Piece, 36- spray points, 37- discharge connectors, 38- jet joints, 39- strip crevices, 310- openings.
Embodiment
For the feature, technological means and the specific purposes reached, function of the present invention can be further appreciated that, this hair is parsed
Bright advantage and spirit, are further understood by below in conjunction with accompanying drawing with embodiment to the detailed description of the present invention.
Referring to Fig. 1 to Fig. 4, there is provided a kind of schematic diagram of the dust exhaust apparatus up and down 10 of PCB board separators.
Dust exhaust apparatus 10 up and down of the PCB board separators, including：What upper dust suction subassembly 20 and relatively upper dust suction subassembly 20 were set
Lower dust suction subassembly 30.Wherein, upper dust suction subassembly 20 is used to cut PCB and the one side to PCB carries out dust suction operation, lower dust suction subassembly
30 are used to carry out dust suction operation to PCB another side.Each component is described as follows：
Dust suction subassembly 20 includes on this：Pedestal 21 and the machining cell 22 being connected on pedestal 21, upper cleaner unit 23
With destatic nozzle 24.Wherein,
Machining cell 22 includes：The driver 25 that is connected on pedestal 21, it is slidably connected on pedestal 21 and connects driving
The slide 26 of device 25, the main shaft 27 on slide 26 and the milling cutter 28 on main shaft 27.In the present embodiment,
The driver 25 is servomotor, and is connected by screw mandrel with slide 26.
Upper cleaner unit 23 includes：The actuator 29 that is connected on pedestal 21, it is slidably connected on pedestal 21 and connects drive
The slide plate 210 of moving part 29, the upper dust suction cylinder 211 on slide plate 210 and it is connected on pedestal 21 and connects dust suction
The side draught pipe 212 of cylinder 211.Upper dust suction cylinder 211 is set on main shaft 27, and the central shaft and milling cutter of upper dust suction cylinder 211
28 center overlapping of axles.Upper dust suction cylinder 211 connects the vavuum pump of outside by side draught pipe 212.In the present embodiment, upper dust suction
The periphery of sleeve be provided with hairbrush 213, and upper dust suction cylinder 211 side wall be communicated with dust suction cylinder 211 inner chamber turn
Joint 214.Actuator 29 selects cylinder.In addition, slide plate 210 is set in parallel in the lower section of slide 26, it is ensured that movable between the two
Space that is smooth and saving equipment.
Destatic nozzle 24 and above-mentioned adapter 214 is connected by a flexible pipe (not shown), nozzle is destaticed so as to realize
24 with the connection of the inner chamber of upper dust suction cylinder 211.This destatic nozzle 24 be used for produce elimination electrostatic needed for electron ion.
The lower dust suction subassembly 30 includes：Installing plate 31 and the dust-absorbing groove 32 being connected on installing plate 31 and destatic list
Member 33.Dust-absorbing groove 32 is set towards upper dust suction cylinder 211.In the present embodiment, destaticing unit 33 has two and point is listed in suction
The both sides of dirt groove 32.Destaticing unit 33 includes：The mounting seat 34 that is connected on installing plate 31, be connected to it is quiet in mounting seat 34
Electric induction piece 35, the spray point 36 being connected in mounting seat 34, the electric discharge for being connected in mounting seat 34 and electrically connecting spray point 36
Joint 37 and the jet joint 38 being connected in mounting seat 34.Mounting seat 34 is provided with multiple strip crevices 39.Electrostatic induction
Piece 35 is provided with the opening 310 of multiple array distributions.Spray point 36 is located between electrostatic induction piece 35 and mounting seat 34 and towards opening
Mouth 310 is set.Jet joint 38 is located under strip crevice 39.Jet joint 38 is used to produce air-flow, and these air-flows are from bar shaped
In gap 39 blow out, and the electron ion that spray point 36 is produced via the opening 310 on electrostatic induction piece 35 be transported to PCB with
Neutralize unnecessary electron ion.
Operation principle explanation：
1st, during original state, machining cell 22 is in initial bit, and by taking Fig. 2 placement state as an example, now slide plate 210 is located at
Highest order.Upper dust suction cylinder 211 does not connect vavuum pump with dust-absorbing groove 32, and miscellaneous part is standby.
2nd, carry out before PCB cuttings, upper dust suction cylinder 211 and dust-absorbing groove 32 are connected with vavuum pump.Driver 25 act and
Slide 26 is driven to move so that milling cutter 28 is moved to PCB cut surface.Actuator 29 drives slide plate 210 to move so that upper dust suction
Cylinder 211 is moved to tool cover plate face.Destatic nozzle 24 and destatic unit 33 and start to eject electron ion.
3rd, carry out in PCB cutting process, machining cell 22, which has, mentions motion, and upper dust suction cylinder 211 is all the time in tool
Moved on cover plate.Destatic nozzle 24 and launch same electron ion, and destatic the meeting root of the electrostatic induction piece 35 on unit 33
Change the ionization subcategory that spray point 36 is released according to the remaining ionization subcategory received, to reach ionization neutralization.
Dust exhaust apparatus 10 up and down of above-mentioned PCB board separators, it constitutes one by upper dust suction subassembly 20 and lower dust suction subassembly 30
The dust exhaust apparatus of individual clad type.Wherein, the machining cell 22 in upper dust suction subassembly 20 is used to perform the cutting operation to PCB, and
Upper cleaner unit 23 is then used for when cutting PCB, and the wherein one side to PCB carries out the dust suction operation of cover type.Lower dust suction subassembly
30 dust-absorbing groove 32 is relative with the upper dust suction cylinder 211 of upper cleaner unit 23, carries out dust suction operation to PCB another side, directly
Two-sided progress dust suction operation simultaneously to PCB, effectively improves the clearance rate of dust.During work, driver 25 drives slide plate 210 to move
It is dynamic so that upper dust suction sleeve is moved on the tool cover plate for loading PCB and will cover PCB wherein, and dust absorption sleeve on this
Cylinder is set on main shaft 27, and during machining cell 22 is griffed and lower knife is acted, upper dust suction sleeve covers all the time
PCB is covered, effectively prevents dust from leaking.By above-mentioned design, clad type and direct-drawing type dust suction operation when realizing PCB points of plates are carried
The high clearance rate of dust and dust is prevented to leak.
In addition, there is electrostatic problem when PCB is cut, and electrostatic can damage PCB.Ionization is produced by destaticing nozzle 24
Son and upper dust suction cylinder 211 is supplied to eliminate electrostatic, and the electron ion discharged in view of destaticing nozzle 24 may be excessive,
Therefore, it is provided with lower dust suction subassembly 30 and destatics unit 33, the kind of remaining electron ion is detected using electrostatic induction piece 35
Class and the control system for feeding back to PCB board separators, then discharge the electron ion of opposite attribute to neutralize by spray point 36,
Lift the effect destaticed, spoilage of the reduction electrostatic to PCB.When upper dust suction sleeve covers PCB, hairbrush 213 is connected to
On PCB, the matter of hairbrush 213 is soft to avoid rigid collision between dust suction sleeve and PCB.If upper dust suction sleeve and PCB distance are too small
When, hairbrush 213 can protect PCB with Bending Deformation.
Each technical characteristic of above example can be combined arbitrarily, to make description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield, is all considered to be the scope of this specification record.
Above example only expresses the present invention preferred embodiment, and it describes more specific and detailed, but not
Can therefore it be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of dust exhaust apparatus up and down of PCB board separators, it is characterised in that including：Upper dust suction subassembly and relatively described upper dust suction
The lower dust suction subassembly that component is set；The upper dust suction subassembly includes：Pedestal and the machining cell being connected on the pedestal and
Upper cleaner unit；The machining cell includes：The driver that is connected on the pedestal, it is slidably connected on the pedestal and even
Connect the slide, the main shaft on the slide and the milling cutter on the main shaft of the driver；The upper suction
Dirt unit includes：The actuator being connected on the pedestal, the cunning for being slidably connected on the pedestal and connecting the actuator
Plate and the upper dust suction cylinder on the slide plate；The upper dust suction cylinder is set on the main shaft, and the upper suction
The center overlapping of axles of the central shaft of dirt cylinder and the milling cutter；The lower dust suction subassembly includes：Installing plate and it is connected to the peace
Fill the dust-absorbing groove on plate；The dust-absorbing groove is set towards the upper dust suction cylinder.
2. the dust exhaust apparatus up and down of PCB board separators according to claim 1, it is characterised in that the upper dust suction subassembly is also
Including：It is connected on the pedestal and destatics nozzle；It is described to destatic the inner chamber that nozzle connects the upper dust suction cylinder；It is described
Lower dust suction subassembly also includes：It is connected on the installing plate and destatics unit；The unit that destatics includes：It is connected to described
Mounting seat, the electrostatic induction piece being connected in the mounting seat on installing plate, the spray point being connected in the mounting seat, company
The jet in the mounting seat and electrically connecting the discharge connector of the spray point and being connected in the mounting seat is connected on to connect
Head.
3. the dust exhaust apparatus up and down of PCB board separators according to claim 2, it is characterised in that the electrostatic induction piece is set
There is the opening of multiple array distributions；The spray point is located between the electrostatic induction piece and the mounting seat and opened towards described
Mouth is set.
4. the dust exhaust apparatus up and down of PCB board separators according to claim 2, it is characterised in that the mounting seat is provided with
Multiple strip crevices；The jet joint is located under the strip crevice.
5. the dust exhaust apparatus up and down of PCB board separators according to claim 1, it is characterised in that the upper cleaner unit is also
Including：It is connected on the pedestal and connects the side draught pipe of the upper dust suction cylinder.
6. the dust exhaust apparatus up and down of PCB board separators according to claim 1, it is characterised in that the upper dust suction sleeve
Periphery is provided with hairbrush.
7. the dust exhaust apparatus up and down of PCB board separators according to claim 1, it is characterised in that the upper dust suction cylinder
Side wall is communicated with the adapter of the inner chamber of the upper dust suction cylinder；Nozzle is destaticed described in the adapter connection.
8. the dust exhaust apparatus up and down of PCB board separators according to claim 1, it is characterised in that the driver passes through silk
Bar is connected with the slide.
9. the dust exhaust apparatus up and down of PCB board separators according to claim 1, it is characterised in that the driver is servo
Motor.
10. the dust exhaust apparatus up and down of PCB board separators according to claim 1, it is characterised in that the actuator is gas
Cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323018.9A CN107097097B (en) | 2017-05-09 | 2017-05-09 | Up-down dust collection device of PCB (printed circuit board) separating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710323018.9A CN107097097B (en) | 2017-05-09 | 2017-05-09 | Up-down dust collection device of PCB (printed circuit board) separating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107097097A true CN107097097A (en) | 2017-08-29 |
| CN107097097B CN107097097B (en) | 2023-07-07 |
Family
ID=59669116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710323018.9A Active CN107097097B (en) | 2017-05-09 | 2017-05-09 | Up-down dust collection device of PCB (printed circuit board) separating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107097097B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825508A (en) * | 2017-11-28 | 2018-03-23 | 浙江中茂科技有限公司 | Board separator cutting head with dust-collecting brush |
| CN113119209A (en) * | 2021-03-29 | 2021-07-16 | 赣州市雪龙智能设备有限公司 | Dust collector and numerical control gong machine |
| CN115090610A (en) * | 2022-06-22 | 2022-09-23 | 合肥工业大学 | A remove electrostatic dust collector for artificial tooth processing and system of processing thereof |
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| CN204431431U (en) * | 2015-02-05 | 2015-07-01 | 林木森 | Scroll saw dust exhaust apparatus |
| CN105499674A (en) * | 2016-01-28 | 2016-04-20 | 申科谱自动化科技（珠海）有限公司 | Dust collection milling cutter structure of board division machine |
| CN105835119A (en) * | 2016-05-11 | 2016-08-10 | 天津市天鹏建筑器材有限公司 | Dust suction mechanism of workbench for cutting thermal insulation board for external wall of building |
| CN106217114A (en) * | 2016-08-22 | 2016-12-14 | 西安精雕软件科技有限公司 | A kind of CNC comprehensive processing dust absorption nozzle |
| CN206010600U (en) * | 2016-09-04 | 2017-03-15 | 上海北陆微电子有限公司 | The dust exhaust apparatus of substrate cut dust |
| CN206967147U (en) * | 2017-05-09 | 2018-02-06 | 深圳市卓翼科技股份有限公司 | The dust exhaust apparatus up and down of PCB board separators |
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2017
- 2017-05-09 CN CN201710323018.9A patent/CN107097097B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09225718A (en) * | 1996-02-20 | 1997-09-02 | Sekisui Chem Co Ltd | Dust collector for drilling tool |
| CN101642851A (en) * | 2008-08-06 | 2010-02-10 | 中国科学院沈阳自动化研究所 | Air-drafting and dust-removing device of laser welding equipment |
| CN201361003Y (en) * | 2008-12-01 | 2009-12-16 | 圣象实业（江苏）有限公司 | Dust removal device for dust on surface of laminated flooring |
| CN202169273U (en) * | 2011-07-04 | 2012-03-21 | 东莞市卓安精机自动化设备有限公司 | Circuit board cutting dedusting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825508A (en) * | 2017-11-28 | 2018-03-23 | 浙江中茂科技有限公司 | Board separator cutting head with dust-collecting brush |
| CN113119209A (en) * | 2021-03-29 | 2021-07-16 | 赣州市雪龙智能设备有限公司 | Dust collector and numerical control gong machine |
| CN113119209B (en) * | 2021-03-29 | 2022-10-28 | 赣州市雪龙智能设备有限公司 | Dust collector and numerical control gong machine |
| CN115090610A (en) * | 2022-06-22 | 2022-09-23 | 合肥工业大学 | A remove electrostatic dust collector for artificial tooth processing and system of processing thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107097097B (en) | 2023-07-07 |
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