CN109107941A - A kind of dedusting circuit board device - Google Patents
A kind of dedusting circuit board device Download PDFInfo
- Publication number
- CN109107941A CN109107941A CN201811163476.1A CN201811163476A CN109107941A CN 109107941 A CN109107941 A CN 109107941A CN 201811163476 A CN201811163476 A CN 201811163476A CN 109107941 A CN109107941 A CN 109107941A
- Authority
- CN
- China
- Prior art keywords
- dust
- fixedly connected
- dedusting
- conveying
- excluding hood
- 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.)
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- 239000000428 dust Substances 0.000 claims abstract description 129
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- B08B1/12—
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- B08B1/20—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
- B08B5/023—Cleaning travelling work
Abstract
The present invention relates to dust-extraction unit technical fields, and disclose a kind of dedusting circuit board device, including conveying mechanism and dedusting mechanism, the conveying mechanism includes conveying seat, the conveying seat is open-topped U-shaped structure, by four first rotating shaft rotation connections, there are two the first conveying roller and two the second conveying rollers in two opposing sidewalls on the inside of the conveying seat, the outside of two first conveying rollers and two the second conveying rollers jointly is sleeved on conveyer belt, the top of the conveying seat relative inner wall is fixedly connected with support plate jointly, the support plate is located at the lower section of conveyer belt, the outer surface of the conveyer belt is fixedly connected with multiple fixed mechanisms；The dedusting mechanism includes dust excluding hood, and the dust excluding hood is fixedly connected on the upper surface of conveying seat, and the two sides of the dust excluding hood offer inlet port and outlet port respectively, and the inside of the dust excluding hood is fixedly connected with vertical partition.The dedusting circuit board device, has the advantages that batch fast dust-removing.
Description
Technical field
The present invention relates to dust-extraction unit technical field, specially a kind of dedusting circuit board device.
Background technique
Circuit board makes circuit miniaturization, intuitiveization, and the batch production and optimization electrical appliance for fixed circuit are laid out lifting
It acts on, however dust is the enemy in board production link, due to generating electrostatic or other reasons in process, largely
Dust adsorbs on circuit boards, the performance of electronic component after the processing of dust meeting detonator circuit plate；Therefore in process of production,
It needs to be purged the dust of circuit board top, common reset mode is by hand to lead to the dust on circuit board by worker
Tuyere is crossed to blow down；This mode inefficiency, waste of human resource is serious, and production cost increases, can also be because artificial
Factor cause dedusting circuit board effect it is irregular, influence circuit board quality the problem of generation.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of dedusting circuit board device, have quickly to remove in batches
The advantages of dirt, solves in the prior art the problem of dedusting circuit board effect is poor, influences board quality.
(2) technical solution
For the purpose for realizing batch fast dust-removing, the invention provides the following technical scheme: a kind of dedusting circuit board device, packet
Conveying mechanism and dedusting mechanism are included, the conveying mechanism includes conveying seat, and the conveying seat is open-topped U-shaped structure, institute
State in two opposing sidewalls on the inside of conveying seat that there are two the first conveying roller and two the by the rotation connection of four first rotating shafts
The outside of two conveying rollers, two first conveying rollers and two the second conveying rollers jointly is sleeved on conveyer belt, the conveying seat
The top of relative inner wall is fixedly connected with support plate jointly, and the support plate is located at the lower section of conveyer belt, the conveyer belt
Outer surface is fixedly connected with multiple fixed mechanisms；The dedusting mechanism includes dust excluding hood, and the dust excluding hood is fixedly connected on conveying
The upper surface of seat, the two sides of the dust excluding hood offer inlet port and outlet port respectively, and the inside of the dust excluding hood is fixedly connected
There is vertical partition, the inside of dust excluding hood is divided into the first dedusting chamber and the second dedusting chamber by the partition, and described first removes
Dust removal brush is connected with by the second shaft common rotation between the relative inner wall of dirt chamber, is set between the dust removal brush and feed inlet
It is equipped with the first dust hood, side of first dust hood far from dust removal brush is fixed to be communicated with the first sweep-up pipe, and described first inhales
The top of dust excluding hood is run through at the top of dirt pipe, and fixation is communicated with the first dust catcher, and first dust catcher, which is fixedly connected on, to be removed
The top of dust hood is fixedly connected to two peaces of mounting plate on two relative inner walls of the second dedusting chamber interior
The second dust hood is slidably connected between loading board jointly, is provided with electric pushrod between second dust hood and discharge port, institute
It states electric pushrod to be fixedly connected on the inner wall of the second dedusting chamber, the piston end of the electric pushrod is fixed with the second dust hood
The top fixation of connection, second dust hood is communicated with the second sweep-up pipe, and second sweep-up pipe is far from the second dust hood
The top of dust excluding hood is run through in one end, and fixation is communicated with the second dust catcher, and second dust catcher is fixedly connected on dust excluding hood
The inside at top, the second dedusting chamber is additionally provided with drifting dust mechanism.
Further, the drifting dust mechanism includes two symmetrically arranged fixed plates, and two fixed plates are fixed respectively
It is connected on the inner sidewall of the second dedusting chamber, is fixedly connected with multiple gas blow pipes between two fixed plates jointly, it is multiple
One end of the gas blow pipe sequentially passes through fixed plate and dust excluding hood, and is connected with external air source.
Further, the fixed mechanism includes symmetrically arranged first fixed block and the second fixed block, and described first is solid
The upper surface for determining block and the second fixed block offers the first through slot and the second through slot of U-shaped respectively, first fixed block it is logical
Pressing plate is rotatably connected to by third shaft inside slot, the second through slot of connection is offered on the side wall of second fixed block side
Through-hole, the internal sleeve of the through-hole is equipped with gag lever post, and one end that the gag lever post stretches out the second fixed block is fixedly connected with drawing
Block is fixedly connected with spring jointly, offers on the pressing plate and match with gag lever post between the pulling block and the second fixed block
Limit hole.
Further, baffle, fixed company on the baffle are fixedly connected at the top of the inlet port and outlet port
It is connected to check apron.
Further, supporting leg is fixedly connected at the bottom four corners of the conveying seat.
Further, the side wall of conveying seat is run through in one end of one of them first rotating shaft, and extends to conveying seat
Outside, one end that the first rotating shaft stretches out conveying seat are fixedly connected with first motor by shaft coupling, and the first motor is solid
Surely it is connected on the outer wall of conveying seat.
Further, the side wall of dust excluding hood is run through in one end of second shaft, and extends to the outside of dust excluding hood, described
One end that second shaft stretches out dust excluding hood is fixedly connected with the second motor by shaft coupling, and second motor, which is fixedly connected on, to be removed
On the outer wall of dust hood.
Further, the bottom fixation of the gas blow pipe is communicated with multiple jet thrusts being obliquely installed, multiple jets
The puff prot of head is down-set, and the tilt angle of multiple jet thrusts is different.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of dedusting circuit board device, have it is following the utility model has the advantages that
1, the dedusting circuit board device, by being provided with the conveying mechanism of fixed mechanism, can use the first fixed block,
Second fixed block, gag lever post and pressing plate are fixed on the conveyor belt by circuit board, then drive conveyer belt will be electric by first motor
Under the strip to dust excluding hood of road, by dust removal brush to first time dedusting more than circuit board, then by the jet thrust pair on multiple gas blow pipes
Circuit board is blown, to realize second of dedusting, passes through the first dust hood, the first sweep-up pipe, the first dust catcher, the second dust suction
The dust that cover, the second sweep-up pipe and the second dust catcher raise dedusting twice carries out absorption processing, and dust is avoided to fall on again
On circuit board, by the setting of check apron, it can prevent dust from overflowing out of dust excluding hood；It can make by the setting of electric pushrod
Two dust hoods move back and forth in the second dedusting chamber, can preferably absorb dust；Since conveyer belt follows inside conveying seat
Ring rotation, therefore may be implemented to charge in feed inlet, in discharge port discharging, continuously circuit board is dusted, is suitble to
High-volume operation.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of internal structure of dedusting circuit board device proposed by the present invention；
Fig. 2 is the partial structurtes enlarged drawing in the portion A in a kind of dedusting circuit board device Fig. 1 proposed by the present invention；
Fig. 3 is the partial structurtes enlarged drawing in the portion B in a kind of dedusting circuit board device Fig. 1 proposed by the present invention；
Fig. 4 is a kind of partial structure diagram of the conveyer belt of dedusting circuit board device proposed by the present invention.
In figure: 1 conveying seat, 2 first conveying rollers, 3 second conveying rollers, 4 conveyer belts, 5 support plates, 6 dust excluding hoods, 7 feed inlets,
8 partitions, 9 dust removal brush, 10 first dust hoods, 11 first dust catchers, 12 mounting plates, 13 second dust hoods, 14 electric pushrods, 15
Two dust catchers, 16 fixed plates, 17 gas blow pipes, 18 first fixed blocks, 19 second fixed blocks, 20 pressing plates, 21 gag lever posts, 22 pulling blocks,
23 springs, 24 baffles, 25 check aprons, 26 supporting legs, 27 jet thrusts, 28 sliding slots, 29 sliding blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-4, a kind of dedusting circuit board device, including conveying mechanism and dedusting mechanism, the conveying mechanism packet
Conveying seat 1 is included, the conveying seat 1 is open-topped U-shaped structure, is passed through in two opposing sidewalls of 1 inside of conveying seat
There are two the first conveying roller 2 and two the second conveying rollers 3, two 2 Hes of the first conveying roller for four first rotating shaft rotation connections
The outside of two the second conveying rollers 3 jointly is sleeved on conveyer belt 4, and the top of the conveying 1 relative inner wall of seat is jointly fixed to be connected
It is connected to support plate 5, the support plate 5 is located at the lower section of conveyer belt 4, and the outer surface of the conveyer belt 4 is fixedly connected with multiple solid
Determine mechanism；The dedusting mechanism includes dust excluding hood 6, and the dust excluding hood 6 is fixedly connected on the upper surface of conveying seat 1, the dedusting
The two sides of cover 6 offer feed inlet 7 and discharge port respectively, and the inside of the dust excluding hood 6 is fixedly connected with vertical partition 8, institute
State partition 8 and the inside of dust excluding hood 6 be divided into the first dedusting chamber and the second dedusting chamber, the first dedusting chamber relatively in
Dust removal brush 9 is connected with by the second shaft common rotation between side wall, is provided with the first suction between the dust removal brush 9 and feed inlet 7
Dust hood 10, first dust hood 10 are communicated with the first sweep-up pipe far from the side fixation of dust removal brush 9, first sweep-up pipe
The top of dust excluding hood 6 is run through at top, and fixation is communicated with the first dust catcher 11, and first dust catcher 11 is fixedly connected on dedusting
6 top is covered, is fixedly connected to described in mounting plate 12 two on two relative inner walls of the second dedusting chamber interior
The second dust hood 13 is slidably connected between mounting plate 12 jointly, sliding slot 28 is provided on mounting plate 12, on the second dust hood 13
It is provided with sliding block 29, sliding block 29 is slidably connected at the inside of sliding slot 28, is provided between second dust hood 13 and discharge port
Electric pushrod 14, the electric pushrod 14 are fixedly connected on the inner wall of the second dedusting chamber, the piston of the electric pushrod 14
End is fixedly connected with the second dust hood 13, and the top fixation of second dust hood 13 is communicated with the second sweep-up pipe, the second dust suction
Enough second dust hoods 13 of the length of pipe move back and forth, and second sweep-up pipe runs through dedusting far from one end of the second dust hood 13
The top of cover 6, and fixation is communicated with the second dust catcher 15, second dust catcher 15 is fixedly connected on the top of dust excluding hood 6, institute
The inside for stating the second dedusting chamber is additionally provided with drifting dust mechanism.
Drifting dust mechanism includes two symmetrically arranged fixed plates 16, and two fixed plates 16 are respectively fixedly connected with second
On the inner sidewall of dedusting chamber, it is fixedly connected with multiple gas blow pipes 17 between two fixed plates 16 jointly, it is multiple described to blow
One end of tracheae 17 sequentially passes through fixed plate 16 and dust excluding hood 6, and is connected with external air source.
Fixed mechanism includes symmetrically arranged first fixed block 18 and the second fixed block 19, and the first fixed block 18 and second is solid
Determine block 19 to be fixedly connected in the upper surface of conveyer belt 4, the upper surface difference of first fixed block 18 and the second fixed block 19
The first through slot and the second through slot of U-shaped are offered, is rotatablely connected inside the through slot of first fixed block 18 by third shaft
There is pressing plate 20, the through-hole of the second through slot of connection, the inside of the through-hole are offered on the side wall of 19 side of the second fixed block
It is arranged with gag lever post 21, one end that the gag lever post 21 stretches out the second fixed block 19 is fixedly connected with pulling block 22, the pulling block 22
And second be fixedly connected with spring 23 between fixed block 19 jointly, offers the limit to match with gag lever post 21 on the pressing plate 20
Position hole.
It is fixedly connected to baffle 24 at the top of feed inlet 7 and discharge port, is fixedly connected to check apron on the baffle 24
25。
It conveys and is fixedly connected to supporting leg 26 at the bottom four corners of seat 1.
The side wall of conveying seat 1 is run through in one end of one of them first rotating shaft, and extends to the outside of conveying seat 1, institute
The one end for stating first rotating shaft stretching conveying seat 1 is fixedly connected with first motor by shaft coupling, and the first motor is fixedly connected
On the outer wall of conveying seat 1.
The side wall of dust excluding hood 6 is run through in one end of second shaft, and extends to the outside of dust excluding hood 6, and second shaft is stretched
One end of dust excluding hood 6 is fixedly connected with the second motor by shaft coupling out, and second motor is fixedly connected on the outer of dust excluding hood 6
On wall.
The bottom fixation of gas blow pipe 17 is communicated with multiple jet thrusts 27 being obliquely installed, the jet of multiple jet thrusts 27
Mouth is down-set, and the tilt angle of multiple jet thrusts 27 is different.
In conclusion it is fixed to can use the first fixed block 18, second by the conveying mechanism for being provided with fixed mechanism
Circuit board is fixed on conveyer belt 4 by block 19, gag lever post 21 and pressing plate 20, then drives conveyer belt 4 will be electric by first motor
Under road strip to dust excluding hood 6, first time dedusting is done to circuit board by dust removal brush 9, then by the jet on multiple gas blow pipes 17
First 27 pairs of circuit boards are blown, to realize second of dedusting, by the first dust hood 10, the first sweep-up pipe, the first dust catcher 11,
The dust that second dust hood 13, the second sweep-up pipe and the second dust catcher 15 raise dedusting twice carries out absorption processing, avoids
Dust is fallen on circuit board again, by the setting of check apron 25, can be prevented dust from overflowing out of dust excluding hood 6, be pushed away by electronic
The setting of bar 14 can be such that the second dust hood 13 moves back and forth in the second dedusting chamber, can preferably absorb dust.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of dedusting circuit board device, including conveying mechanism and dedusting mechanism, it is characterised in that: the conveying mechanism includes defeated
It send seat (1), the conveying seat (1) is open-topped U-shaped structure, is led in two opposing sidewalls on the inside of conveying seat (1)
Crossing four first rotating shaft rotation connections, there are two the first conveying roller (2) and two the second conveying rollers (3), two first conveyings
The outside of roller (2) and two the second conveying rollers (3) jointly is sleeved on conveyer belt (4), the top of described conveying seat (1) relative inner wall
Portion is fixedly connected with support plate (5) jointly, and the support plate (5) is located at the lower section of conveyer belt (4), the conveyer belt (4) it is outer
Surface is fixedly connected with multiple fixed mechanisms；The dedusting mechanism includes dust excluding hood (6), and the dust excluding hood (6) is fixedly connected on
The upper surface of seat (1) is conveyed, the two sides of the dust excluding hood (6) offer feed inlet (7) and discharge port, the dust excluding hood respectively
(6) inside is fixedly connected with vertical partition (8), and the inside of dust excluding hood (6) is divided into the first dedusting chamber by the partition (8)
With the second dedusting chamber, dust removal brush is connected with by the second shaft common rotation between the relative inner wall of the first dedusting chamber
(9), it is provided with the first dust hood (10) between the dust removal brush (9) and feed inlet (7), first dust hood (10) is separate to remove
The side of dirt brush (9) is fixed to be communicated with the first sweep-up pipe, and the top of dust excluding hood (6) is run through at the top of first sweep-up pipe, and
Fixation is communicated with the first dust catcher (11), and first dust catcher (11) is fixedly connected on the top of dust excluding hood (6), and described second
It is fixedly connected on two relative inner walls of dedusting chamber interior between mounting plate (12) two mounting plates (12) altogether
With slidably connecting the second dust hood (13), electric pushrod (14) are provided between second dust hood (13) and discharge port,
The electric pushrod (14) is fixedly connected on the inner wall of the second dedusting chamber, the piston end and second of the electric pushrod (14)
Dust hood (13) is fixedly connected, and the top fixation of second dust hood (13) is communicated with the second sweep-up pipe, second dust suction
The top that dust excluding hood (6) are run through in one end far from the second dust hood (14) is managed, and fixation is communicated with the second dust catcher (15), it is described
Second dust catcher (15) is fixedly connected on the top of dust excluding hood (6), and the inside of the second dedusting chamber is additionally provided with drifting dust machine
Structure.
2. a kind of dedusting circuit board device according to claim 1, it is characterised in that: the drifting dust mechanism includes two right
Claiming the fixed plate (16) of setting, two fixed plates (16) are respectively fixedly connected on the inner sidewall of the second dedusting chamber, and two
It is fixedly connected with jointly multiple gas blow pipes (17) between a fixed plate (16), one end of multiple gas blow pipes (17) is successively
Through fixed plate (16) and dust excluding hood (6), and it is connected with external air source.
3. a kind of dedusting circuit board device according to claim 1, it is characterised in that: the fixed mechanism includes symmetrically setting
The first fixed block (18) and the second fixed block (19) set, the upper surface of first fixed block (18) and the second fixed block (19)
The first through slot and the second through slot of U-shaped are offered respectively, are turned inside the through slot of first fixed block (18) by third shaft
It is dynamic to be connected with pressing plate (20), the through-hole of the second through slot of connection is offered on the side wall of the second fixed block (19) side, it is described
The internal sleeve of through-hole is equipped with gag lever post (21), and one end that the gag lever post (21) stretches out the second fixed block (19) is fixedly connected with drawing
Block (22) is fixedly connected with spring (23) jointly between the pulling block (22) and the second fixed block (19), on the pressing plate (20)
Offer the limit hole to match with gag lever post (21).
4. a kind of dedusting circuit board device according to claim 1, it is characterised in that: the feed inlet (7) and discharge port
Top be fixedly connected to baffle (24), be fixedly connected to check apron (25) on the baffle (24).
5. a kind of dedusting circuit board device according to claim 1, it is characterised in that: the bottom four of conveying seat (1)
Supporting leg (26) are fixedly connected at angle.
6. a kind of dedusting circuit board device according to claim 1, it is characterised in that: one of them first rotating shaft
The side wall of conveying seat (1) is run through in one end, and extends to the outside of conveying seat (1), and the first rotating shaft stretches out the one of conveying seat (1)
End is fixedly connected with first motor by shaft coupling, and the first motor is fixedly connected on the outer wall of conveying seat (1).
7. a kind of dedusting circuit board device according to claim 1, it is characterised in that: one end of second shaft is run through
The side wall of dust excluding hood (6), and the outside of dust excluding hood (6) is extended to, one end that second shaft stretches out dust excluding hood (6) passes through connection
Axis device is fixedly connected with the second motor, and second motor is fixedly connected on the outer wall of dust excluding hood (6).
8. a kind of dedusting circuit board device according to claim 2, it is characterised in that: the bottom of the gas blow pipe (17) is solid
Surely multiple jet thrusts (27) being obliquely installed are communicated with, the puff prot of multiple jet thrusts (27) is down-set, and multiple institutes
The tilt angle for stating jet thrust (27) is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163476.1A CN109107941A (en) | 2018-09-30 | 2018-09-30 | A kind of dedusting circuit board device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163476.1A CN109107941A (en) | 2018-09-30 | 2018-09-30 | A kind of dedusting circuit board device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109107941A true CN109107941A (en) | 2019-01-01 |
Family
ID=64857245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811163476.1A Pending CN109107941A (en) | 2018-09-30 | 2018-09-30 | A kind of dedusting circuit board device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109107941A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111036590A (en) * | 2019-11-22 | 2020-04-21 | 河南职业技术学院 | Computer motherboard edulcoration device |
| CN111136063A (en) * | 2019-12-24 | 2020-05-12 | 江西凯利德科技有限公司 | Automatic cleaning equipment |
| CN111299205A (en) * | 2019-12-06 | 2020-06-19 | 湖州南浔旧馆恒佳地板厂 | Clean material collecting equipment for annular boss wood |
| CN111515168A (en) * | 2020-05-07 | 2020-08-11 | 惠安县康杰机械设备商行 | Cleaning equipment for processing backlight module |
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