CN112605035A - Cleaning device is used in circuit board production - Google Patents
Cleaning device is used in circuit board production Download PDFInfo
- Publication number
- CN112605035A CN112605035A CN202011370888.XA CN202011370888A CN112605035A CN 112605035 A CN112605035 A CN 112605035A CN 202011370888 A CN202011370888 A CN 202011370888A CN 112605035 A CN112605035 A CN 112605035A
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- CN
- China
- Prior art keywords
- seat
- supporting seat
- circuit board
- fixedly arranged
- cleaning device
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- 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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
- B08B3/022—Cleaning travelling work
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
Abstract
The invention provides a cleaning device for circuit board production. The cleaning device for circuit board production comprises a base; the left supporting seat is fixedly arranged at the top of the base; the right supporting seat is fixedly arranged at the top of the base and is positioned on one side of the left supporting seat; the cross beam is positioned above the base, and the tops of the left supporting seat and the right supporting seat are fixedly arranged at the bottom of the cross beam; the servo motor is fixedly arranged on one side, far away from the right supporting seat, of the left supporting seat; the rotating hole is formed in one side, far away from the right supporting seat, of the left supporting seat; the cleaning device for circuit board production provided by the invention has the advantages of high cleaning efficiency, reduction of labor intensity of operators and capability of rapidly air-drying the circuit board.
Description
Technical Field
The invention relates to the technical field of circuit board production and processing, in particular to a cleaning device for circuit board production.
Background
In the prior art, when a circuit board is cleaned, a high-pressure spray head is usually used manually to directly wash a prepared washing liquid on the circuit board for cleaning, in the actual operation process, the labor intensity of workers is high, and one worker can only clean one circuit board at the same time, so that the cleaning efficiency is low;
therefore, it is necessary to provide a new cleaning device for circuit board production to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a cleaning device for circuit board production, which is high in cleaning efficiency.
In order to solve the above technical problems, the cleaning device for circuit board production provided by the invention comprises: a base; the left supporting seat is fixedly arranged at the top of the base; the right supporting seat is fixedly arranged at the top of the base and is positioned on one side of the left supporting seat; the cross beam is positioned above the base, and the tops of the left supporting seat and the right supporting seat are fixedly arranged at the bottom of the cross beam; the servo motor is fixedly arranged on one side, far away from the right supporting seat, of the left supporting seat; the rotating hole is formed in one side, far away from the right supporting seat, of the left supporting seat; the rotating rod is rotatably installed in the rotating hole, an output shaft of the servo motor extends into the rotating hole and is fixedly installed at one end of the rotating rod, and one end, far away from the servo motor, of the rotating rod extends out of the rotating hole; the mounting seat is fixedly mounted at one end, far away from the servo motor, of the rotating rod; the mounting groove is formed in one side, away from the rotating rod, of the mounting seat; the screw hole is formed in the inner wall of the top of the mounting groove; the screw is installed in the screw hole in a threaded mode, and two ends of the screw extend out of the screw hole; the rotating seat is rotatably arranged at the bottom end of the screw rod; the pressing seat is fixedly arranged at the bottom of the rotating seat; the water tank is fixedly arranged at the top of the base and is positioned on one side of the right supporting seat far away from the left supporting seat; the booster pump is fixedly arranged at the top of the base and is positioned between the right supporting seat and the water tank; the first connecting pipe is fixedly arranged on a water inlet pipe of the booster pump, and one end, far away from the booster pump, of the first connecting pipe extends into the water tank; the second connecting pipe is fixedly arranged on a water outlet pipe of the booster pump, and one end, far away from the booster pump, of the second connecting pipe is in a sealed state and penetrates through the right supporting seat; the bearing seat is fixedly arranged on one side, away from the right supporting seat, of the left supporting seat, and one end, away from the booster pump, of the second connecting pipe extends into the bearing seat; the plurality of spray heads are fixedly arranged at the top of the second connecting pipe and are positioned below the cross beam; the water receiving tank is arranged at the top of the base and is positioned below the plurality of spray heads.
Preferably, a bearing is arranged in the rotating hole, and the bearing is fixedly sleeved on the rotating rod.
Preferably, the inclined support frames are welded on two sides of the rotating rod.
Preferably, the top end of the screw rod is fixedly provided with a handle, the top of the connecting seat is provided with a rotating groove, and the bottom end of the screw rod is rotated in the rotating groove.
Preferably, the mounting groove and the pressing seat are both rectangular in structure.
Preferably, the bottom of the pressure seat is fixedly provided with a first anti-skid pad, and the inner wall of the bottom of the mounting groove is fixedly provided with a second anti-skid pad.
Preferably, the top of the water tank is provided with an opening and a cover plate, a third connecting pipe is arranged on one side of the water tank far away from the right supporting seat, and a fourth connecting pipe is arranged on one side of the water receiving tank.
Preferably, a supporting groove is formed in one side, away from the left supporting seat, of the bearing seat, and one end, away from the booster pump, of the second connecting pipe extends into the supporting groove.
Preferably, the mounting hole has been seted up at the top of crossbeam, fixed mounting has the fan in the mounting hole, left side supporting seat with the rectangle slide opening has all been seted up to one side that right branch seat kept away from each other, slidable mounting has the breakwater in the rectangle slide opening, the both sides of breakwater all extend to outside the rectangle slide opening, left side supporting seat with the equal fixed mounting in one side that right branch seat kept away from each other has the motor cabinet, the top fixed mounting of motor cabinet has the push rod motor, the bottom fixed mounting of breakwater has the connecting piece, two the connecting piece is located respectively left side support seat with one side that right branch seat kept away from each other, two the output shaft difference fixed mounting of push rod motor is two on the connecting piece.
Preferably, the top and the bottom of the water baffle are both provided with a sliding groove, the top and the bottom inner wall of the rectangular sliding hole are both fixedly provided with a sliding block, the sliding block is in sliding connection with the sliding groove, one side of each of the two water baffles close to each other is fixedly provided with a sealing strip, and the two sealing strips are in contact with each other.
Compared with the related art, the cleaning device for circuit board production provided by the invention has the following beneficial effects:
the invention provides a cleaning device for circuit board production, which drives a rotating rod and a mounting seat to rotate through a servo motor so as to drive a circuit board to rotate slowly, a booster pump sprays cleaning liquid on the circuit board at high pressure through a first connecting pipe, a second connecting pipe and a plurality of spray heads, the spray heads uniformly clean the circuit board along with the slow rotation of the circuit board, and an operator can operate the next machine to clean other circuit boards.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a first embodiment of a cleaning device for circuit board production according to the present invention;
FIG. 2 is a schematic structural view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of portion B of FIG. 2;
FIG. 4 is a schematic structural view of a second embodiment of a cleaning device for circuit board production according to the present invention;
fig. 5 is a schematic structural view of a portion C in fig. 4.
Reference numbers in the figures: 1. the base, 2, left side supporting seat, 3, right side supporting seat, 4, the crossbeam, 5, servo motor, 6, rotate the hole, 7, the dwang, 8, the mount pad, 9, the mounting groove, 10, the screw hole, 11, the screw rod, 12, rotate the seat, 13, press the seat, 14, the water tank, 15, the booster pump, 16, first connecting pipe, 17, the second connecting pipe, 18, bear the weight of the seat, 19, the shower nozzle, 20, the water receiving tank, 21, the fan, 22, the rectangle slide opening, 23, the breakwater, 24, the motor cabinet, 25, the push rod motor, 26, the connecting piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions related to "first", "second", and the like in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "connected," "secured," and the like are to be construed broadly, e.g., "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other manner known to those skilled in the art, unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary that a person skilled in the art can realize the technical solutions, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
First embodiment
Referring to fig. 1-3, in an embodiment of the present invention, a cleaning apparatus for circuit board production includes: a base 1; the left supporting seat 2 is fixedly arranged at the top of the base 1; the right supporting seat 3 is fixedly arranged at the top of the base 1 and is positioned on one side of the left supporting seat 2; the cross beam 4 is positioned above the base 1, and the tops of the left support seat 2 and the right support seat 3 are fixedly arranged at the bottom of the cross beam 4; the servo motor 5 is fixedly arranged on one side, far away from the right supporting seat 3, of the left supporting seat 2; the rotating hole 6 is formed in one side, far away from the right supporting seat 3, of the left supporting seat 2; the rotating rod 7 is rotatably installed in the rotating hole 6, the output shaft of the servo motor 5 extends into the rotating hole 6 and is fixedly installed at one end of the rotating rod 7, and one end, far away from the servo motor 5, of the rotating rod 7 extends out of the rotating hole 6; the mounting seat 8 is fixedly mounted at one end, far away from the servo motor 5, of the rotating rod 7; the mounting groove 9 is formed in one side, away from the rotating rod 7, of the mounting seat 8; the screw hole 10 is formed in the inner wall of the top of the mounting groove 9; the screw rod 11 is installed in the screw hole 10 in a threaded manner, and two ends of the screw rod 11 extend out of the screw hole 10; the rotating seat 12 is rotatably arranged at the bottom end of the screw rod 11; the pressing seat 13 is fixedly arranged at the bottom of the rotating seat 12; the water tank 14 is fixedly arranged at the top of the base 1, and the water tank 14 is positioned on one side of the right support seat 3 away from the left support seat 2; the booster pump 15 is fixedly arranged at the top of the base 1, and the booster pump 15 is positioned between the right supporting seat 3 and the water tank 14; a first connecting pipe 16, wherein the first connecting pipe 16 is fixedly installed on a water inlet pipe of the booster pump 15, and one end of the first connecting pipe 16 far away from the booster pump 15 extends into the water tank 14; the second connecting pipe 17 is fixedly arranged on a water outlet pipe of the booster pump 15, and one end, far away from the booster pump 15, of the second connecting pipe 17 is in a sealed state and penetrates through the right supporting seat 3; the bearing seat 18 is fixedly arranged on one side of the left supporting seat 2 far away from the right supporting seat 3, and one end, far away from the booster pump 15, of the second connecting pipe 17 extends into the bearing seat 18; a plurality of spray heads 19, wherein the spray heads 19 are all fixedly installed at the top of the second connecting pipe 17 and are all positioned below the cross beam 4; the water receiving tank 20 is placed at the top of the base 1, and the water receiving tank 20 is located below the plurality of spray heads 19.
The rotating hole 6 is internally provided with a bearing, and the bearing is fixedly sleeved on the rotating rod 7.
Inclined support frames are welded on two sides of the rotating rod 7.
The top end of the screw rod 11 is fixedly provided with a handle, the top of the connecting seat 12 is provided with a rotating groove, and the bottom end of the screw rod 11 rotates in the rotating groove.
The mounting groove 9 and the pressing seat 13 are both rectangular in configuration.
The bottom of the pressing seat 13 is fixedly provided with a first anti-skid pad, and the inner wall of the bottom of the mounting groove 9 is fixedly provided with a second anti-skid pad.
The top of water tank 14 is the opening, and is equipped with the apron, one side that water tank 14 kept away from right branch seat 3 is equipped with the third connecting pipe, one side of water receiving tank 20 is equipped with the fourth connecting pipe.
In this embodiment, the prepared cleaning solution is injected into the water tank 14 through the third connecting pipe or the top of the water tank 14, when cleaning the circuit board, only one side of the circuit board needs to be clamped into the mounting groove 9 on the mounting seat 8, then the screw rod 11 is rotated by the handle, the pressing seat 13 is driven by the screw hole 10 and the connecting seat 12 to move downwards, so as to press the circuit board tightly into the mounting groove 9, then the servo motor 5 and the booster pump 15 are started simultaneously, the servo motor 15 drives the circuit board to rotate slowly through the rotating rod 7 and the mounting seat 8, the booster pump 15 sprays the cleaning solution on the circuit board at high pressure through the first connecting pipe 16, the second connecting pipe 17 and the plurality of spray heads 19, and as the circuit board rotates slowly, the spray heads 19 perform uniform cleaning operation on the circuit board, the cleaned cleaning solution falls into the water receiving tank 20, and can be recycled after being recycled, after accomplishing above-mentioned operation, the operating personnel can operate another machine and carry out the washing operation of other circuit boards, washs the completion back, pulls down the circuit board, carries out artifical cleanness to blank holder department, perhaps trades the circuit board to the another side and carries out the centre gripping cleanness, and this embodiment has improved the clean efficiency of circuit board greatly, has improved operating personnel's work efficiency simultaneously.
Second embodiment
Referring to fig. 4-5, the present embodiment is different from the first embodiment in that the present embodiment further includes a mounting hole formed in the top of the cross beam 1, a fan 21 is fixedly installed in the mounting hole, rectangular sliding holes 22 are formed in the sides of the left support base 2 and the right support base 3 away from each other, a water baffle 23 is slidably installed in the rectangular sliding hole 22, both sides of the water baffle 23 extend out of the rectangular sliding holes 22, a motor base 24 is fixedly installed on the sides of the left support base 2 and the right support base 3 away from each other, a push rod motor 25 is fixedly installed on the top of the motor base 24, a connecting member 26 is fixedly installed at the bottom of the water baffle 23, the two connecting members 26 are respectively located on the sides of the left support base 2 and the right support base 3 away from each other, output shafts of the two push rod motors 25 are respectively fixedly installed on the two connecting members 26, the top and the bottom of the water baffle 23 are both provided with a sliding groove, the top and the bottom inner wall of the rectangular sliding hole 22 are both fixedly provided with a sliding block, the sliding block is in sliding connection with the sliding groove, one side of the two water baffles 23 close to each other is fixedly provided with a sealing strip, and the two sealing strips are in contact.
In this embodiment, through the fan 21 air-blast, can air-dry fast the circuit board after the clean operation of circuit board is accomplished, accelerate circuit board processing production efficiency, can avoid the circuit board to make the fan wet when clean operation simultaneously, concrete operation is to drive breakwater 23 through push rod motor 25 and remove, when the circuit board carries out clean operation, make two breakwaters 23 remove to one side that is close to each other, make the sealing strip on two breakwaters 23 compress tightly, thereby block high-pressure injection's washing liquid, after clean operation is accomplished, with two breakwaters 23 to the one side removal of keeping away from each other, start fan 21, can carry out the fast air-dry operation to the circuit board that rotates.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A cleaning device for circuit board production, characterized by includes:
a base;
the left supporting seat is fixedly arranged at the top of the base;
the right supporting seat is fixedly arranged at the top of the base and is positioned on one side of the left supporting seat;
the cross beam is positioned above the base, and the tops of the left supporting seat and the right supporting seat are fixedly arranged at the bottom of the cross beam;
the servo motor is fixedly arranged on one side, far away from the right supporting seat, of the left supporting seat;
the rotating hole is formed in one side, far away from the right supporting seat, of the left supporting seat;
the rotating rod is rotatably arranged in the rotating hole, an output shaft of the servo motor extends into the rotating hole and is fixedly arranged at one end of the rotating rod, and one end of the rotating rod, which is far away from the servo motor, extends out of the rotating hole;
the mounting seat is fixedly mounted at one end, far away from the servo motor, of the rotating rod;
the mounting groove is formed in one side, away from the rotating rod, of the mounting seat;
the screw hole is formed in the inner wall of the top of the mounting groove;
the screw is installed in the screw hole in a threaded manner, and two ends of the screw extend out of the screw hole;
the rotating seat is rotatably arranged at the bottom end of the screw rod;
the pressing seat is fixedly arranged at the bottom of the rotating seat;
the water tank is fixedly arranged at the top of the base and is positioned on one side of the right supporting seat, which is far away from the left supporting seat;
the booster pump is fixedly arranged at the top of the base and is positioned between the right supporting seat and the water tank;
the first connecting pipe is fixedly arranged on a water inlet pipe of the booster pump, and one end, far away from the booster pump, of the first connecting pipe extends into the water tank;
the second connecting pipe is fixedly arranged on a water outlet pipe of the booster pump, and one end, far away from the booster pump, of the second connecting pipe is in a sealed state and penetrates through the right supporting seat;
the bearing seat is fixedly arranged on one side, away from the right supporting seat, of the left supporting seat, and one end, away from the booster pump, of the second connecting pipe extends into the bearing seat;
the plurality of spray heads are fixedly arranged at the top of the second connecting pipe and are positioned below the cross beam;
the water receiving tank is arranged at the top of the base and is positioned below the plurality of spray heads.
2. The cleaning device for circuit board production as claimed in claim 1, wherein a bearing is disposed in the rotating hole, and the bearing is fixedly sleeved on the rotating rod.
3. The cleaning device for circuit board production of claim 1, wherein inclined support frames are welded on both sides of the rotating rod.
4. The cleaning device for circuit board production according to claim 1, wherein a handle is fixedly mounted at the top end of the screw, a rotating groove is formed at the top of the connecting seat, and the bottom end of the screw rotates in the rotating groove.
5. The cleaning device for circuit board production according to claim 1, wherein the mounting groove and the pressing seat are both rectangular in configuration.
6. The cleaning device for circuit board production according to claim 1, wherein a first anti-slip pad is fixedly mounted at the bottom of the pressing seat, and a second anti-slip pad is fixedly mounted on the inner wall of the bottom of the mounting groove.
7. The cleaning device for circuit board production as claimed in claim 1, wherein the top of the water tank is open and is provided with a cover plate, a third connecting pipe is provided on a side of the water tank away from the right support base, and a fourth connecting pipe is provided on a side of the water receiving tank.
8. The cleaning device for circuit board production as claimed in claim 1, wherein a supporting groove is formed on one side of the bearing seat away from the left supporting seat, and one end of the second connecting pipe away from the booster pump extends into the supporting groove.
9. The cleaning device for circuit board production according to claim 1, wherein a mounting hole is formed at the top of the cross beam, a fan is fixedly installed in the mounting hole, rectangular sliding holes are formed in the sides of the left support seat and the right support seat away from each other, a water baffle is slidably installed in the rectangular sliding holes, both sides of the water baffle extend out of the rectangular sliding holes, a motor base is fixedly installed on the side of the left support seat and the right support seat away from each other, a push rod motor is fixedly installed at the top of the motor base, a connecting piece is fixedly installed at the bottom of the water baffle, two connecting pieces are respectively located on the side of the left support seat and the right support seat away from each other, and output shafts of the two push rod motors are respectively fixedly installed on the two connecting pieces.
10. The cleaning device for circuit board production of claim 9, wherein the top and the bottom of the water baffle are both provided with a sliding groove, the inner walls of the top and the bottom of the rectangular sliding hole are both fixedly provided with a sliding block, the sliding block is connected with the sliding groove in a sliding manner, one side of the two water baffles close to each other is both fixedly provided with a sealing strip, and the two sealing strips are in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370888.XA CN112605035A (en) | 2020-11-30 | 2020-11-30 | Cleaning device is used in circuit board production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370888.XA CN112605035A (en) | 2020-11-30 | 2020-11-30 | Cleaning device is used in circuit board production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112605035A true CN112605035A (en) | 2021-04-06 |
Family
ID=75228694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011370888.XA Pending CN112605035A (en) | 2020-11-30 | 2020-11-30 | Cleaning device is used in circuit board production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112605035A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207887592U (en) * | 2017-12-10 | 2018-09-21 | 昆山格威测电子有限公司 | A kind of circuit board detecting cleaning equipment |
| CN208230350U (en) * | 2018-03-10 | 2018-12-14 | 赣州帝晶光电科技有限公司 | A kind of cleaning, drying integral type liquid crystal display panel cleaning device |
| CN209386768U (en) * | 2018-12-26 | 2019-09-13 | 万安溢升电路板有限公司 | A kind of printed circuit board drying device |
| CN110354937A (en) * | 2019-08-14 | 2019-10-22 | 兴化市广丰粮食购销有限公司 | A kind of grain-production processing efficiently polishing impurity and purification device |
| CN209597732U (en) * | 2019-03-01 | 2019-11-08 | 蔡萌 | A kind of PCB surface cleaning equipment |
| CN209824153U (en) * | 2018-11-28 | 2019-12-20 | 四川省华兴宇电子科技有限公司 | A washing and drying device for printed circuit board |
| CN210208023U (en) * | 2019-07-02 | 2020-03-31 | 温州市永利电子有限公司 | Clamping and positioning assembly of circuit board cleaning device |
| CN210411706U (en) * | 2019-08-09 | 2020-04-28 | 新野县立新电子有限公司 | Printed circuit board belt cleaning device |
-
2020
- 2020-11-30 CN CN202011370888.XA patent/CN112605035A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207887592U (en) * | 2017-12-10 | 2018-09-21 | 昆山格威测电子有限公司 | A kind of circuit board detecting cleaning equipment |
| CN208230350U (en) * | 2018-03-10 | 2018-12-14 | 赣州帝晶光电科技有限公司 | A kind of cleaning, drying integral type liquid crystal display panel cleaning device |
| CN209824153U (en) * | 2018-11-28 | 2019-12-20 | 四川省华兴宇电子科技有限公司 | A washing and drying device for printed circuit board |
| CN209386768U (en) * | 2018-12-26 | 2019-09-13 | 万安溢升电路板有限公司 | A kind of printed circuit board drying device |
| CN209597732U (en) * | 2019-03-01 | 2019-11-08 | 蔡萌 | A kind of PCB surface cleaning equipment |
| CN210208023U (en) * | 2019-07-02 | 2020-03-31 | 温州市永利电子有限公司 | Clamping and positioning assembly of circuit board cleaning device |
| CN210411706U (en) * | 2019-08-09 | 2020-04-28 | 新野县立新电子有限公司 | Printed circuit board belt cleaning device |
| CN110354937A (en) * | 2019-08-14 | 2019-10-22 | 兴化市广丰粮食购销有限公司 | A kind of grain-production processing efficiently polishing impurity and purification device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210406 |
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| RJ01 | Rejection of invention patent application after publication |