CN112122190A - Surface cleaning device and PCB mainboard - Google Patents
Surface cleaning device and PCB mainboard Download PDFInfo
- Publication number
- CN112122190A CN112122190A CN202011010298.6A CN202011010298A CN112122190A CN 112122190 A CN112122190 A CN 112122190A CN 202011010298 A CN202011010298 A CN 202011010298A CN 112122190 A CN112122190 A CN 112122190A
- Authority
- CN
- China
- Prior art keywords
- surface cleaning
- mounting
- cleaning
- cleaned
- slag
- 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
- 238000004140 cleaning Methods 0.000 title claims abstract description 97
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 239000002893 slag Substances 0.000 claims description 40
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 17
- 238000003825 pressing Methods 0.000 abstract description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/22—Secondary treatment of printed circuits
- H05K3/26—Cleaning or polishing of the conductive pattern
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a surface cleaning device and a PCB main board, wherein the surface cleaning device comprises an installation structure and a cleaning mechanism, a guide rail for transporting an object to be cleaned is arranged above the cleaning mechanism in a penetrating manner, and the surface cleaning device is characterized in that a pressing device is also arranged above the guide rail, and when the cleaning mechanism cleans the object to be cleaned, the pressing device presses the object to be cleaned on the guide rail and enables the object to be cleaned to move along with the guide rail. According to the cleaning device, the pressing device is adopted to press the object to be cleaned on the guide rail, the object to be cleaned can be prevented from being jacked up and separated from the guide rail when the cleaning device cleans the object to be cleaned, the cleaning degree and normal operation and transportation are guaranteed, and the product quality is favorably guaranteed.
Description
Technical Field
The invention relates to the technical field of PCB production and processing, in particular to a surface cleaning device and a PCB mainboard.
Background
The welding process is inevitably carried out in the production process of the PCB mainboard, wherein the wave soldering form is more common, the problem that tin dross can be taken out along with the chain claw or adhered on the PCB mainboard exists after every wave soldering, and the tin dross remains to the PCB and can lead to the short circuit of circuit to cause the quality unusual, and current control measure mainly relies on staff visual inspection, and staff off-line uses dry brush to clean, and this kind of mode has material and manpower extravagant.
Chinese utility model patent with the publication number of CN210819831U discloses a surface cleaning device for plastic plate processing, including guide rail and the curb plate that is used for the installation, be provided with an album bits section of thick bamboo between a pair of curb plate, be provided with motor and impeller in the collection bits section of thick bamboo, collection bits section of thick bamboo below is provided with the cleaning wheel that is used for clearing up the plastic slab, utilizes the cleaning wheel to clean the piece on the plastic slab promptly and collects to an album bits section of thick bamboo under the impeller effect.
PCB mainboard is handling the back through tin stove processing, through rail transport, PCB mainboard one side down is owing to welded more components and parts this moment, consequently need clear away the welding slag, if adopt above-mentioned scheme to clear up the PCB mainboard, then need all place the clearance structure in the above-mentioned scheme in the below of PCB board, adopt to clean wheel pair PCB mainboard bottom this moment and clean, then can be with whole PCB board jack-up that makes progress, be unfavorable for the stability of transportation, also can not ensure effectual clearance, still need improve.
Disclosure of Invention
The invention provides a surface cleaning device, aiming at solving the defect that a PCB main board is easy to jack up when being cleaned in the prior art.
The technical scheme adopted by the invention is that the surface cleaning device comprises an installation structure and a cleaning mechanism, wherein a guide rail for transporting an object to be cleaned is arranged above the cleaning mechanism in a penetrating manner.
Preferably, the pressing device comprises an installation frame and at least one stress arm, and the installation frame is provided with an elastic reset piece for driving the bottom end part of the stress arm to be pressed downwards.
Preferably, the bottom end of the stress arm is rotatably connected with a pinch roller used for abutting against the object to be cleaned.
Preferably, four stress force arms are symmetrically arranged, and the four stress force arms are rotationally connected to the mounting frame.
Preferably, the force bearing point of the cleaning mechanism and the object to be cleaned is located in the force application range of the pressing device to the object to be cleaned.
Preferably, the two ends of the mounting frame are fixed on the mounting structure, and the mounting frame is provided with an adjusting groove for adjusting the distance between the stress arm and the guide rail.
Preferably, the cleaning assembly comprises a rotating shaft, cleaning bristles and a driving motor, and at least the part of the rotating shaft, on which the cleaning bristles are arranged, is in a polygonal prism shape.
Preferably, the mounting structure includes the mount pad, it has a pair of one side open-ended mounting groove to open on the mount pad, the both ends of axis of rotation rotate respectively connect in a pair of in the mounting groove, it has the quick detach bolt that prevents the axis of rotation and break away from the mounting groove to go back threaded connection on the mount pad.
Preferably, the installation structure is further fixed with a slag guide plate, the slag guide plate is located under the cleaning bristles, and the slag guide plate is a continuous multi-section folded plate inclined downwards.
Preferably, the mounting structure is further provided with a slag collection box, and the bottom edge of the slag guide plate extends towards the slag collection box.
Preferably, the mounting structure is further provided with a scraping blade assembly for cleaning the cleaning bristles, the scraping blade assembly is located right above the slag guide plate or the slag collecting box, and the cleaning bristles are staggered with the scraping blade assembly when rotating.
The invention also provides a PCB main board which adopts the surface cleaning device to clean the surface.
Compared with the prior art, the invention has the following beneficial effects:
1. the pressing device is adopted to press the object to be cleaned on the guide rail, and the object to be cleaned is prevented from being jacked up and separated from the guide rail when the cleaning device cleans the object to be cleaned, so that the cleaning degree and normal operation and transportation are ensured, and the product quality is favorably ensured;
2. the cleaning bristles can be conveniently and quickly replaced by arranging the quick-release bolt;
3. the effect of collecting the tin slag in a centralized way is achieved by arranging the slag guide plate and the slag collecting box, and the centralized treatment is also convenient;
4. the guide rail can be directly installed on a production line of a PCB mainboard through the installation base, only the guide rail is required to pass through the space between the pressing device and the cleaning mechanism, no extra cleaning station is required to be arranged, no extra labor is required, the installation and the disassembly are simple and convenient, the efficiency is higher, the structure of the existing PCB mainboard production line is not required to be changed, and the normal production process is not influenced in the cleaning process;
5. the scraper component is arranged, so that the cleaning bristles can be cleaned in time, and the performance of the cleaning bristles is kept.
Drawings
The invention is described in detail below with reference to examples and figures, in which:
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic structural view of a slag guide plate;
FIG. 3 is a schematic diagram of the structure of the force arm;
FIG. 4 is a schematic view of a fixed block;
FIG. 5 is a schematic structural view of the doctor assembly;
FIG. 6 is a schematic view of the structure of a rotating shaft;
fig. 7 is a schematic structural view of the mounting sleeve.
101. Installing a side plate; 102. fixing the rod; 2. a force arm; 21. a pinch roller; 3. a fixed block; 4. a torsion spring; 5. an adjustment groove; 6. a rotating shaft; 7. cleaning the bristles; 71. installing a sleeve; 8. a mounting seat; 9. mounting grooves; 10. a quick release bolt; 11. a slag guide plate; 12. a slag collection box; 13. scraping a blade; 14. a PCB main board; 15. and (7) mounting the plate.
Detailed Description
The utility model provides a surface cleaning device for welding slag on the clean 14 bottom surfaces of PCB mainboard that accomplish after the tin welding, it includes mounting structure, clean mechanism top is worn to be equipped with and is used for the transportation to treat the guide rail of cleaning thing, the guide rail top still is provided with closing device, when clean mechanism treats the cleaning thing and cleans, closing device will treat that cleaning thing presses on the guide rail and make and treat that cleaning thing moves along with the guide rail.
As shown in fig. 1-4, the pressing device comprises an installation frame and at least one force arm 2, an elastic reset piece for driving the bottom end of the force arm 2 to press down is arranged on the installation frame, and the bottom end of the force arm 2 is rotatably connected with a pressing wheel 21 for abutting against an object to be cleaned. In this embodiment, 2 symmetries in the atress arm of force are provided with four, just 2 all rotation connections in the atress arm of force on the mounting bracket, four atress arm of force 2 arrange respectively in four corners position, are corresponding to the four corners position of PCB mainboard 14, and clean mechanism is located with the stress point of treating the cleaning thing closing device treats the application of force within range of cleaning the thing to four pinch rollers 21 can be stable support tightly PCB mainboard 14 on the guide rail.
Specifically, as shown in fig. 1, the mounting bracket is including being used for installing a fixed a pair of installation curb plate 101, one mounting groove 9 has been seted up on a pair of installation curb plate 101 respectively, the installation screw hole has been seted up on the mounting structure that corresponds, can realize the fixed connection between installation curb plate 101 and the mounting structure through the bolt, and through changing the different positions of construction bolt at mounting groove 9, can reach the effect of adjusting the whole mounted position of mounting bracket, thereby can adjust the interval between the atress arm of force 2 and the guide rail, adjust the tight effort of support of the atress arm of force 2 and PCB mainboard 14 promptly.
As shown in fig. 1-4, a fixing rod 102 is fixed between a pair of mounting side plates 101, four mounting blocks corresponding to the force arm 2 are fixed on the fixing rod 102, the end of the force arm 2 is rotatably connected to the mounting blocks, and the elastic reset member installed between the mounting blocks and the force arm 2 is a torsion spring 4. When the PCB mainboard 14 moves to the right above the cleaning mechanism along with the guide rail, the pinch roller 21 at the lower end of the stress force arm 2 can roll and abut on the PCB mainboard 14 under the action of the torsion spring 4, if the cleaning mechanism jacks up the PCB mainboard 14, the PCB mainboard 14 can abut on the guide rail due to the elastic action of the torsion spring 4 and continues to move along with the guide rail, the cleaning effect of the cleaning mechanism is achieved, and the stability of normal transportation is also kept.
Further, as shown in fig. 1-7, the cleaning assembly includes a rotating shaft 6, cleaning bristles 7 and a driving motor, the part of the rotating shaft 6 at least provided with the cleaning bristles 7 is a polygon prism, the other part of the rotating shaft 6 not provided with the cleaning bristles 7 can be a round shaft or a prism structure, and in this embodiment, in order to facilitate the installation of the multiple groups of cleaning bristles 7, the rotating shaft 6 is provided with a polygon prism mounting sleeve 71 for the polygon prism part, each surface of the polygon prism mounting sleeve 71 is provided with a row of cleaning bristles 7, the rotating shaft 6 penetrates through the mounting sleeve 71, and the polygon prism structure of the rotating shaft 6 is matched with a polygon edge cavity arranged in the mounting sleeve 71, so that the mounting sleeve 71 can be driven to synchronously rotate when the rotating shaft 6 rotates, and the cleaning bristles 7 clean the PCB main board 14. In this embodiment, the rotating shaft 6 is a hexagonal mechanical shaft, which facilitates the fixing of the cleaning bristles 7 and the power connection between the driving motor and the rotating shaft 6, not shown in the figure.
Mounting structure includes mount pad 8, it has a pair of one side open-ended mounting groove 9 to open on the mount pad 8, the both ends of axis of rotation 6 rotate respectively connect in a pair of in the mounting groove 9, it has the quick detach bolt 10 that prevents axis of rotation 6 and break away from mounting groove 9 to go back threaded connection on the mount pad 8, this quick detach bolt 10 is fixed with the handle in nut department promptly to need not be with the help of other instruments when twisting this bolt, the bottom downwardly extending of quick detach bolt 10 is to the mounting groove 9 in, and can pass in and out mounting groove 9 along with it is spin or down-spin in mount pad 8, thereby realize 6 spacing effects to the axis of rotation.
As shown in fig. 1-2, the mounting structure is further fixed with a slag guide plate 11, the slag guide plate 11 is located under the cleaning bristles 7, and the slag guide plate 11 is a continuous multi-section folded plate that is inclined downward, in this embodiment, the slag guide plate comprises three sections of folded plates, wherein the second section of folded plate is a vertical plate, the third section of folded plate is inclined downward and forms an included angle of 110 ° with the second section of folded plate, the cleaning bristles 7 are located right above the third section of folded plate, the second section of folded plate is located on one side of the cleaning bristles 7, the first section of folded plate is inclined upward, when the cleaning bristles 7 clean the slag on the PCB main board 14, the slag can fall onto the slag guide plate 11, meanwhile, a slag collection box 12 is further installed at the lowest position of the mounting base 8, the bottom edge of the slag guide plate 11 extends toward the slag collection box 12, that is, the third section of folded plate extends to right above the slag collection box 12, and can guide the tin slag on the slag guide plate 11 into, and finishing centralized collection.
Further, as shown in fig. 1 and 5, a scraper assembly is further fixed on the mounting base 8, and includes a mounting plate 15 and a scraper, the scraper is composed of a plurality of protruding claws, and the plurality of claws are arranged in a staggered manner with each bundle of bristles of the cleaning bristles 7, when the cleaning bristles 7 rotate, the scraper is staggered with the cleaning bristles 7 and peels off tin slag or other impurities on the cleaning bristles 7, so that the effect of cleaning the cleaning bristles 7 is achieved, and the working performance of the cleaning bristles 7 is guaranteed. The wiper blade 13 assembly is located directly above the slag guide 11 or the slag trap 12, and in this embodiment is located directly above the slag trap 12.
Further, surface cleaning device still is provided with the inductor for whether response PCB mainboard 14 reaches appointed clean position, arrives immediately above the cleaning brush and slides the butt with closing device, and the inductor starts driving motor promptly this moment, makes the normal work of cleaning brush.
This embodiment has still disclosed a PCB mainboard 14, it adopts as before surface cleaning device carries out the surface cleaning, and during the installation of this surface cleaning device earlier with mount pad 8 fixed mounting on PCB mainboard 14 production line, the guide rail passes directly over clean brush hair 7 this moment, again with mounting bracket fixed connection on mount pad 8, also can debug pinch roller 21's compressing tightly effect through adjustment tank 5, finally accomplish the installation, furthermore, surface cleaning device still is provided with the inductor, be used for responding to whether PCB mainboard 14 reaches appointed clean position, reach directly over the clean brush and with closing device slip butt promptly, the inductor starts driving motor promptly this moment, make clean brush normal work, when PCB mainboard 14 breaks away from the scope of clean brush cleaning along with the guide rail motion, the inductor is the stop motion of control driving motor promptly.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (12)
1. The surface cleaning device comprises a mounting structure and a cleaning mechanism, wherein a guide rail for transporting the object to be cleaned is arranged above the cleaning mechanism in a penetrating mode.
2. The surface cleaning device of claim 1, wherein the compression device comprises a mounting frame and at least one force arm, and the mounting frame is provided with an elastic reset piece for driving the bottom end part of the force arm to be pressed downwards.
3. A surface cleaning apparatus as claimed in claim 2, characterised in that the bottom end of the force-receiving arm is pivotally connected to a pinch roller for engaging the object to be cleaned.
4. The surface cleaning apparatus of claim 2 wherein four of the force arms are symmetrically disposed and the force arms are each rotatably connected to the mounting bracket.
5. The surface cleaning apparatus of claim 1 wherein the point of application of force between the cleaning mechanism and the object to be cleaned is within the range of application of force by the holddown device to the object to be cleaned.
6. The surface cleaning apparatus of claim 2, wherein the mounting bracket is secured at both ends to the mounting structure and is provided with an adjustment slot for adjusting the distance between the force arm and the rail.
7. A surface cleaning apparatus as claimed in claim 1, characterised in that the cleaning assembly comprises a rotatable shaft, cleaning bristles and a drive motor, the rotatable shaft having at least the portion on which the cleaning bristles are mounted in a polygonal prism arrangement.
8. The surface cleaning device of claim 7, wherein the mounting structure comprises a mounting seat, the mounting seat is provided with a pair of mounting grooves with one side opened, two ends of the rotating shaft are respectively rotatably connected in the pair of mounting grooves, and the mounting seat is further in threaded connection with a quick-release bolt for preventing the rotating shaft from being separated from the mounting grooves.
9. The surface cleaning apparatus of claim 7 wherein the mounting structure further comprises a slag deflector positioned directly beneath the cleaning bristles, the slag deflector being a downwardly sloping continuous multi-segment flap.
10. A surface cleaning apparatus as claimed in claim 9, characterised in that a slag trap is also provided on the mounting structure, the bottom edge of the slag deflector extending towards the slag trap.
11. A surface cleaning apparatus as claimed in claim 9, wherein the mounting structure is further provided with a wiper blade assembly for cleaning bristles, the wiper blade assembly being located directly above the slag deflector or the slag trap, the cleaning bristles being interleaved with the wiper blade assembly as they rotate.
A PCB board characterized by surface cleaning using the surface cleaning apparatus of any one of claims 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011010298.6A CN112122190B (en) | 2020-09-23 | 2020-09-23 | Surface cleaning device and PCB mainboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011010298.6A CN112122190B (en) | 2020-09-23 | 2020-09-23 | Surface cleaning device and PCB mainboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112122190A true CN112122190A (en) | 2020-12-25 |
| CN112122190B CN112122190B (en) | 2023-07-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011010298.6A Active CN112122190B (en) | 2020-09-23 | 2020-09-23 | Surface cleaning device and PCB mainboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112122190B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113245981A (en) * | 2021-04-14 | 2021-08-13 | 王小梅 | Planer type milling machine |
| CN113635126A (en) * | 2021-10-14 | 2021-11-12 | 成都飞机工业（集团）有限责任公司 | Cutter chip removing device and using method thereof |
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