CN116618352B - Development equipment with controllable spraying effect based on vertical conveying mode - Google Patents
Development equipment with controllable spraying effect based on vertical conveying mode Download PDFInfo
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- CN116618352B CN116618352B CN202211458843.7A CN202211458843A CN116618352B CN 116618352 B CN116618352 B CN 116618352B CN 202211458843 A CN202211458843 A CN 202211458843A CN 116618352 B CN116618352 B CN 116618352B
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- pcb
- water
- lower plate
- cleaning
- spraying
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- 238000005507 spraying Methods 0.000 title claims abstract description 72
- 230000000694 effects Effects 0.000 title claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 145
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 239000003814 drug Substances 0.000 claims abstract description 71
- 239000007921 spray Substances 0.000 claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 229
- 230000007704 transition Effects 0.000 claims description 16
- 230000000007 visual effect Effects 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 66
- 230000008569 process Effects 0.000 abstract description 49
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000003292 glue Substances 0.000 description 24
- 230000009471 action Effects 0.000 description 10
- 230000003749 cleanliness Effects 0.000 description 6
- 230000006698 induction Effects 0.000 description 6
- 238000005476 soldering Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a developing device with controllable spraying effect based on a vertical conveying mode, which relates to the technical field of PCB production and comprises: the device comprises a bracket, a treatment cavity and a guide wheel; the guide wheel is connected with a clamp assembly in a sliding manner, and the clamp assembly is used for clamping the PCB; the clamp assembly includes: the PCB cleaning device comprises an upper clamp, a lower plate, a spraying device and a rolling and wiping device, wherein the spraying device is used for spraying cleaning liquid on the PCB; the controller controls the spraying device to be opened, the cleaning solution is sprayed to the surface of the PCB immediately through the spraying device, the cleaning solution flows down from the surface of the PCB from top to bottom, the cleaning solution develops the surface of the PCB in the flowing process, the spraying device sprays, the rolling device rolls and wipes the surface of the PCB, the developing efficiency of the liquid medicine on the PCB is promoted, the developing efficiency is improved, the controller controls the conveying device to be started after a period of developing, and the conveying device drives the clamp assembly to move to the next procedure.
Description
Technical Field
The invention relates to the technical field of PCB production, in particular to a developing device with controllable spraying effect based on a vertical conveying mode.
Background
The PCB, chinese name is printed circuit board, also called printed circuit board, is an important electronic component, is a support of electronic components, and is a carrier for electrical connection of the electronic components; because it is made using electronic printing, it is called a "printed" circuit board; an important process in PCB processing is a developing process; the PCB anti-welding developing line is used for flushing out the printing ink which does not have polymerization reaction after the printing ink is subjected to the exposure process, leaving out through holes and other PADs to be welded on the PCB, covering all circuits and large copper surfaces with the printing ink, and further saving the use amount of soldering tin when a client is loaded and preventing short circuit and bridging caused by wave soldering;
In the existing developing equipment, in the developing process of the PCB, the liquid medicine reacts with the surface material of the PCB to form residual glue, the residual glue is attached to the surface of the PCB, the problem that welding is insufficient in the soldering process of the subsequent PCB can be caused, and the subsequent welding quality of the PCB is further affected.
Disclosure of Invention
The invention aims to provide developing equipment with controllable spraying effect based on a vertical conveying mode, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
A development device with controllable spraying effect based on a vertical conveying mode comprises: the device comprises a bracket, wherein a processing cavity is arranged in the bracket, guide wheels are arranged at the upper end and the bottom end of the processing cavity, the guide wheels are connected with conveying wheels, a conveying device is arranged in the bracket, and the conveying wheels are connected with the conveying device; a liquid medicine tank and a cleaning tank are arranged in the bracket; pump machines are arranged in the liquid medicine tank and the cleaning tank; the guide wheel is connected with a clamp assembly in a sliding manner, and the clamp assembly is used for clamping the PCB;
the treatment cavity is internally provided with a visual sensing device, and is also internally provided with a spraying device which is communicated with a pump in the liquid medicine tank through a pipeline; the spraying device is provided with an included angle with the horizontal plane;
After the PCB board is irradiated by ultraviolet light, the staff places the PCB board on the clamp assembly, carry out the centre gripping to the PCB board through pneumatic clamp, then the staff starts through conveyor in the controller control support, conveyor drives the delivery wheel and rotates, the in-process of delivery wheel pivoted drives the guide pulley and rotates, the guide pulley rotates and drives the anchor clamps and remove, conveyor drives the clamp assembly and removes, the clamp assembly drives the PCB board, before the PCB board removes to visual induction system, visual induction system observes the PCB board after, visual induction system converts image signal into signal transmission to the controller, the controller controls the pump start, the pump is with the liquid medicine extraction in the liquid medicine jar to the pipeline, carry among the sprinkler through the pipeline, the in-process of liquid medicine extraction, the sprinkler starts through the controller control sprinkler, sprinkler opens the spray nozzle under the effect of controller, the liquid medicine sprays the PCB board surface through the spray nozzle, the quality of PCB board surface development is abundant, avoid leading to the PCB board to appear quality problem because of developing incompletely, and then, the production quality of board has been improved, the in-process of liquid medicine drive clamp removes, the continuous development has been realized, PCB board continuous development has been realized.
Preferably, the jig assembly includes: the device comprises an upper clamp and a lower plate, wherein a pneumatic clamp is arranged in the upper clamp, a spraying device is arranged in the upper clamp, the spraying device is communicated with a pump in a cleaning tank through a pipeline, the spraying device is used for cleaning a PCB with liquid medicine, and a rolling and wiping device is arranged on the lower plate and is used for rolling and wiping clean water on the surface of the PCB;
After the PCB board is sprayed by the spraying device, the conveying device continuously drives the conveying wheel to rotate, the conveying wheel is driven to rotate in the rotating process of the conveying wheel, the guide wheel rotates to drive the upper clamp to move, when the upper clamp moves to the water outlet end of the side wall of the treatment cavity, at the moment, the water outlet end is communicated with the upper clamp, the controller controls the conveying device to stop, then the controller controls the pump in the cleaning tank to start, the pump pumps cleaning water in the cleaning tank, the cleaning water is conveyed to the upper clamp through the water outlet end, the cleaning water enters the spraying device, the spraying device is controlled to start by the controller, the cleaning water is sprayed to the surface of the PCB board immediately by the spraying device, the cleaning water sprays on the PCB board, flows down from the surface of the PCB board from top to bottom, the cleaning water flows in the flowing process, the cleaning water cleans the residual liquid medicine on the surface of the PCB board, the rolling and rubbing device is started in the process of spraying the spraying device, the cleaning water on the surface of the PCB board flows to one side far away from the upper clamp, the residual liquid medicine and the cleaning water leaves the surface of the PCB board, and the PCB board surface is dried, and the PCB board processing efficiency is improved.
Preferably, the spraying device comprises: the spray pipes are symmetrically arranged in the upper clamp, a water inlet is formed in the side wall of the spray pipe penetrating through the upper clamp, a spray nozzle is arranged on one side, close to the pneumatic clamp, of the spray pipe, a water outlet end is arranged on the side wall of the treatment cavity, and an electromagnetic valve is arranged at the water outlet end; the water outlet end is communicated with the cleaning tank;
The upper clamp moves under the action of the guide wheel, the spraying device is driven to move in the moving process of the upper clamp, the water inlet is communicated with the water outlet end on the side wall of the treatment cavity in the moving process of the spraying device, then the controller controls the conveying device to stop, then the electromagnetic valve in the water outlet end is controlled to be opened, the electromagnetic valve is opened, cleaning water in the cleaning tank moves under the action of the pump, the cleaning water enters the water inlet through the water outlet end and enters the spraying pipe through the water inlet, the cleaning water entering the spraying pipe is sprayed to the PCB through the spraying nozzle, the cleaning water falls on the surface of the PCB after being sprayed, then the cleaning water flows down along the surface of the PCB, residual liquid medicine on the surface of the PCB is cleaned in the flowing process of the cleaning water, the cleaning water flows on the PCB, and the cleaning water flows through the whole PCB, so that the development of the PCB is realized by the minimum cleaning water, the waste of the cleaning water is reduced, and the utilization rate of the cleaning water is improved.
Preferably, the rolling device comprises: the sliding rod is arranged on the surface of the lower plate, the other end of the sliding rod is connected with an upper clamp, four sliding rods are symmetrically arranged on two sides of the lower plate along the long side direction, a moving plate is connected to the sliding rods in a sliding mode, a miniature motor is arranged in the moving plate, a driving shaft in the miniature motor is connected with a pulley, a supporting rod is arranged on one side, close to the PCB, of the moving plate, and a water roller is connected to the supporting rod in a sliding mode; the water baffle is arranged on the supporting rod; a sponge sleeve is arranged on the roller wall of the water roller; the water baffle contacts with the water roller;
When the PCB is developed, the controller controls the micro motor in the movable plate to start, the driving shaft in the micro motor drives the pulley to rotate, the pulley drives the movable plate to move along the sliding rod, the movable plate moves from the upper clamp to the lower plate, the movable plate drives the water roller to move along the surface of the PCB, the micro motor on the supporting rod is controlled by the controller to start during the movement of the water roller, the micro motor drives the water roller to rotate, the cleaning water on the surface of the PCB is mixed with the liquid medicine to be scraped during the movement of the water roller, the water roller moves from top to bottom, the water roller and the cleaning water are matched with each other during the movement, the cleaning of the residual liquid medicine on the surface of the PCB is accelerated, and the cleanliness of the surface of the PCB is improved; the water roller cleans the surface of the PCB, and drives off the residual glue of the liquid medicine attached to the surface of the PCB, so that the phenomenon that the residual glue is attached to the surface of the PCB to affect the subsequent soldering tin is avoided, and the quality problem of the PCB is further caused; the water roller rotates along PCB board surface, and the in-process of water roller pivoted, sponge cover absorb the clean water on PCB board surface, and when the sponge cover met the breakwater, the breakwater was extruded the clean water in the sponge cover, and the clean water that is extruded flows along the breakwater, and the clean water that flows falls on PCB board surface once more, erodees PCB board surface, has improved the utilization ratio of clean water, and then has improved the cleanliness factor on PCB board surface.
Preferably, the bottom surface of the lower plate is provided with a slope, and the height of the slope is reduced from the center to two sides; the utility model discloses a circulating pump, including lower board, pump, lower board, the lower board is close to one side of slope and is provided with the inlet, inlet entrance is provided with the filter screen, the circulation chamber has been seted up to lower board bottom, be provided with the micropump in the circulation chamber.
Preferably, a transition cavity is formed in the upper clamp, the transition cavity is communicated with the spray pipe through a pipeline, a one-way valve is arranged in the pipeline, a hollow structure is arranged in the sliding rod, one end of the sliding rod is communicated with the circulating cavity, the other end of the sliding rod is communicated with the transition cavity, and one end, close to the circulating cavity, of the sliding rod is provided with the one-way valve;
clean water flows down along the PCB board surface, clean water flows down in the hypoplastron, clean water drops on the slope surface, then flow to hypoplastron both sides along the slope of slope, get into the circulation chamber through the inlet, micropump start in the controller control circulation chamber, micropump carries the clean water in the circulation chamber to the slide bar in, clean water is through the unidirectional transport in the slide bar, clean water moves to the one side of keeping away from the circulation chamber, clean water gets into in the transition chamber through the slide bar, clean water that gets into the transition chamber flows into the shower through the check valve in the pipeline in, make clean water obtain cyclic utilization, the waste of clean water has been reduced, the utilization ratio of clean water has been improved.
Preferably, the guide rail in the upper clamp and the upper clamp main body are of a split structure; the upper clamp is characterized in that a cavity is formed in the upper clamp guide rail, a micro motor is arranged in the cavity, a driving shaft of the micro motor is connected with a main gear, the main gear is meshed with a driven gear, a rotating rod is arranged at the top of the upper clamp, and the driven gear is arranged on the rotating rod.
Preferably, telescopic pipes are symmetrically arranged on one side of the lower plate, which is close to the slope, and are connected with telescopic rods in a sliding manner, and the telescopic rods are connected with the side walls of the telescopic pipes through springs; a rubber block is arranged at one end of the telescopic rod, which is far away from the telescopic pipe;
When the PCB board is in the in-process of developing, micro motor in the controller control chamber starts, micro motor reciprocating motion, drive shaft in the micro motor drives the master gear and rotates, master gear pivoted in-process, meshing transmission driven gear, driven gear drives anchor clamps main part swing, go up anchor clamps pivoted in-process and drive the PCB board swing, the PCB board swings, make the liquid medicine that top-down flows under centrifugal effect, flow through from the PCB board surface fully, when avoiding the liquid medicine downwardly flowing, the bifurcation appears, lead to the PCB board bottom not developed, and then the development quality of PCB board has been improved, the utilization ratio of liquid medicine has been improved, PCB board wobbling in-process, the extrusion rubber piece, the rubber piece receives the PCB board effect, the extrusion telescopic link, the telescopic link moves along flexible pipe, the in-process extrusion spring of telescopic link removal, the spring receives extrusion reaction and PCB board, make the PCB board avoid bumping with the hypoplastron at wobbling in-process, thereby lead to the PCB board to damaging, and then the quality of PCB board in the development process has been ensured.
Preferably, the side wall of the lower plate is provided with a baffle, the baffle is connected to the sliding rod in a sliding manner, and the baffle is connected with the side wall of the lower plate in a sliding manner;
In the process of cleaning the PCB by the cleaning water, residual glue is generated due to the fact that the liquid medicine reacts with the surface of the PCB, the cleaning water washes the surface of the PCB, so that the liquid medicine residual glue flows down along the cleaning water, the residual glue flows down into the lower plate along with the cleaning water, the cleaning water flows into the circulating cavity through the liquid inlet, the residual glue is filtered by the filter screen in the liquid inlet and remains in the lower plate, after the development is stopped, the worker moves the baffle along the sliding rod, the baffle slides on the surface of the sliding rod, then the worker scrapes and collects the residual glue from the slope, the phenomenon that the liquid inlet is blocked by the residual glue is avoided, the cleaning water cannot flow into the circulating cavity through the liquid inlet is avoided, the circulating use of the cleaning water is guaranteed, and the utilization rate of the cleaning water is improved.
Compared with the prior art, the invention has the following beneficial effects:
1. When the PCB moves to the visual sensing device, the visual sensing device observes that the PCB is later, the visual sensing device converts an image signal into an electric signal to be transmitted to the controller, the controller controls the pump to start, the pump pumps liquid medicine in the liquid medicine tank into the pipeline, the liquid medicine is transmitted to the spraying device through the pipeline, the controller controls the spraying device to start in the process of liquid medicine pumping, the spraying device opens the spraying nozzle under the action of the controller, the liquid medicine sprays the surface of the PCB through the spraying nozzle, so that the surface of the PCB is fully developed, the quality of PCB development is improved, the quality problem of PCB soldering tin caused by incomplete development is avoided, the production quality of the PCB is further improved, the conveying device drives the upper clamp to move continuously in the process of liquid medicine spraying, continuous uninterrupted development is realized, and the development efficiency of the PCB is improved.
2. The movable plate drives the water roller to move, the water roller moves along the surface of the PCB, in the process of moving the water roller, cleaning water on the surface of the PCB is mixed with the liquid medicine to be scraped off, the water roller moves from top to bottom, the surface of the PCB is subjected to water-expelling treatment in the moving process, the water roller is matched with the cleaning water, the cleaning of residual liquid medicine on the surface of the PCB is accelerated, and the cleanliness of the surface of the PCB is improved; the water roller is used for water-expelling treatment, and liquid medicine adhesive residue attached to the surface of the PCB is expelled, so that the phenomenon that the adhesive residue is attached to the surface of the PCB to affect subsequent soldering tin is avoided, and further the quality problem of the PCB is caused.
3. The water roller rotates along PCB board surface, and the in-process of water roller pivoted, sponge cover absorb the clean water on PCB board surface, and when the sponge cover met the breakwater, the breakwater was extruded the clean water in the sponge cover, and the clean water that is extruded flows along the breakwater, and the clean water that flows falls on PCB board surface once more, erodees PCB board surface, has improved the utilization ratio of clean water, and then has improved the cleanliness factor on PCB board surface.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a main body diagram of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic structural view of the clamp assembly;
FIG. 4 is a front view of the clamp assembly;
FIG. 5 is a cross-sectional view of the upper clamp;
FIG. 6 is a cross-sectional view of the lower clamp;
FIG. 7 is a schematic view of a part of the structure in the lower jig;
FIG. 8 is a schematic view of the structure of the ramp;
fig. 9 is an enlarged view at a in fig. 7;
Fig. 10 is an enlarged view at B in fig. 2.
In the figure: 1. a bracket; 11. a processing chamber; 12. a guide wheel;
2. A clamp assembly; 21. a clamp is arranged; 211. a transition chamber; 212. a chamber; 22. a lower plate; 221. a ramp; 222. a liquid inlet; 223. a circulation chamber; 224. a telescopic tube; 225. a telescopic rod; 226. a rubber block; 227. a baffle; 23. a pneumatic clamp;
3. A spraying device; 31. a shower pipe; 311. a water inlet; 32. a spray nozzle;
4. A rolling and wiping device; 41. a slide bar; 42. a moving plate; 43. a water roller; 431. a water baffle;
5. a spraying device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the present invention provides the following technical solutions:
a development device with controllable spraying effect based on a vertical conveying mode comprises: the device comprises a bracket 1, wherein a processing cavity 11 is arranged in the bracket 1, guide wheels 12 are arranged at the upper end and the bottom end of the processing cavity 11, the guide wheels 12 are connected with conveying wheels, a conveying device is arranged in the bracket 1, and the conveying wheels are connected with the conveying device; a liquid medicine tank and a cleaning tank are arranged in the bracket 1; pump machines are arranged in the liquid medicine tank and the cleaning tank; the guide wheel 12 is connected with the clamp assembly 2 in a sliding manner, and the clamp assembly 2 is used for clamping the PCB;
a visual sensing device is arranged in the processing cavity 11, a spraying device 5 is also arranged in the processing cavity 11, and the spraying device 5 is communicated with a pump in the liquid medicine tank through a pipeline; the spraying device 5 is provided with an included angle with the horizontal plane;
The staff places the PCB board on the clamp assembly 2, carry out the centre gripping to the PCB board through pneumatic clamp 23, afterwards, the staff starts through conveyor in the controller control support 1, conveyor drives the delivery wheel and rotates, the in-process of delivery wheel pivoted drives guide pulley 12 and rotates, guide pulley 12 rotates and drives and go up anchor clamps 21 and remove, conveyor drives clamp assembly 2 and removes, clamp assembly 2 drives the PCB board, before the PCB board removes to visual induction system, after visual induction system observes the PCB board, visual induction system converts image signal into signal transmission to the controller, the controller controls the pump start, the pump is with the liquid medicine extraction in the liquid medicine jar to the pipeline, carry in sprinkler 5 through the pipeline, the in-process of liquid medicine extraction, sprinkler 5 starts sprinkler 5 under the effect of controller, the liquid medicine sprays the PCB board surface through the sprinkler mouth, make the PCB board surface develop fully, the quality of PCB board development has been improved, avoid leading to the PCB board to appear quality problem because of developing incompletely, and then improved the production quality of the PCB board, in-process of spraying device drives clamp 21, the continuous development has been realized that the PCB board is continued to have been developed to the liquid medicine.
As a specific embodiment of the present invention, the jig assembly 2 includes: the PCB cleaning device comprises an upper clamp 21 and a lower plate 22, wherein a pneumatic clamp 23 is arranged in the upper clamp 21, a spraying device 3 is arranged in the upper clamp 21, the spraying device 3 is communicated with a pump in a cleaning tank through a pipeline, the spraying device 3 is used for cleaning the PCB with liquid medicine, a rolling device 4 is arranged on the lower plate 22, and the rolling device 4 is used for rolling and wiping clean water on the surface of the PCB;
After the PCB board is sprayed by the spraying device 5, the conveying device continuously drives the conveying wheel to rotate, the conveying wheel is driven to rotate in the rotating process of the conveying wheel, the guide wheel 12 is driven to rotate to drive the upper clamp 21 to move, when the upper clamp 21 moves to the water outlet end of the side wall of the processing cavity 11, at the moment, the water outlet end is communicated with the upper clamp 21, the controller controls the conveying device to stop, then the controller controls the pump in the cleaning tank to start, the pump pumps cleaning water in the cleaning tank, the cleaning water is conveyed to the upper clamp 21 through the water outlet end, the cleaning water enters the spraying device 3, the controller controls the spraying device 3 to start, the cleaning water is sprayed to the surface of the PCB board immediately through the spraying device 3, the cleaning water sprays on the surface of the PCB board, the cleaning water flows downwards from the surface of the PCB board, in the cleaning water flows to clean the residual liquid medicine on the surface of the PCB board in the flowing process of the spraying device 3, the controller controls the rolling device 4 to roll the surface of the PCB board, the cleaning water on the surface of the PCB board flows to the side far away from the upper clamp 21, the residual liquid medicine and the cleaning water leaves the surface of the PCB board, and the PCB board surface is dried, and the processing efficiency of the PCB board is improved.
As a specific embodiment of the present invention, the spraying device 3 includes: the spray pipes 31 are symmetrically arranged in the upper clamp 21, water inlets 311 are formed in the side walls of the spray pipes 31 penetrating through the upper clamp 21, spray nozzles 32 are formed in one side, close to the pneumatic clamp 23, of the spray pipes 31, water outlet ends are formed in the side walls of the treatment cavity 11, and electromagnetic valves are arranged at the water outlet ends; the water outlet end is communicated with the cleaning tank;
The upper clamp 21 moves under the action of the guide wheel 12, the spray device 3 is driven to move in the moving process of the upper clamp 21, the water inlet 311 is communicated with the water outlet end on the side wall of the treatment cavity 11 in the moving process of the spray device 3, then the controller controls the conveying device to stop, then the electromagnetic valve in the water outlet end is controlled to be opened, the electromagnetic valve is opened, cleaning water in the cleaning tank moves under the action of the pump, the cleaning water enters the water inlet 311 through the water outlet end and enters the spray pipe 31 through the water inlet 311, the cleaning water entering the spray pipe 31 is sprayed to the PCB through the spray nozzle 32, the cleaning water falls on the surface of the PCB after being sprayed, then the cleaning water flows down along the surface of the PCB, residual liquid medicine on the surface of the PCB is cleaned in the flowing process of the cleaning water, and the cleaning water flows on the PCB.
As a specific embodiment of the present invention, the rolling device 4 includes: the sliding rod 41, one end of the sliding rod 41 is arranged on the surface of the lower plate 22, the other end of the sliding rod 41 is connected with the upper clamp 21, four sliding rods 41 are symmetrically arranged on two sides of the lower plate 22 along the long side direction, a moving plate 42 is connected onto the sliding rod 41 in a sliding manner, a micro motor is arranged in the moving plate 42, a driving shaft in the micro motor is connected with a pulley, a supporting rod is arranged on one side, close to the PCB, of the moving plate 42, and a water roller 43 is connected onto the supporting rod in a sliding manner; the driving shaft in the water roller 43 is connected with a micro motor through a supporting rod, and a water baffle 431 is arranged on the supporting rod; a sponge sleeve is arranged on the roller wall of the water roller 43; the water baffle 431 is in contact with the water roller 43;
When the PCB is developed, the controller controls the micro motor in the movable plate 42 to start, the driving shaft in the micro motor drives the pulley to rotate, the pulley drives the movable plate 42 to move along the sliding rod 41, the movable plate 42 moves from the upper clamp 21 to the lower plate 22, the movable plate 42 drives the water roller 43 to move, the water roller 43 moves along the surface of the PCB, the micro motor on the supporting rod is controlled by the controller to start in the process of moving the water roller 43, the micro motor drives the water roller 43 to rotate, cleaning water on the surface of the PCB is mixed with the liquid medicine to be scraped in the process of rotating the water roller 43, the water roller 43 moves from top to bottom, the water roller 43 is matched with the cleaning water, the cleaning of residual liquid medicine on the surface of the PCB is accelerated, and the cleanliness of the surface of the PCB is improved; the water roller 43 carries out clean processing to the PCB board surface, the liquid medicine residual gum that will adhere to the PCB board surface is driven down, avoid the residual gum to adhere to the PCB board surface and influence follow-up welding sponge cover and absorb the clean water on PCB board surface, when the sponge cover runs into the breakwater, the breakwater extrudes the clean water in the sponge cover, the clean water that is extruded flows along the breakwater 431, the clean water that flows falls on the PCB board surface again, wash away the PCB board surface, the utilization ratio of clean water has been improved, and then the cleanliness factor on PCB board surface has been improved.
As a specific embodiment of the present invention, the bottom surface of the lower plate 22 is provided with a slope 221, and the height of the slope 221 decreases from the center to both sides; the side of the lower plate 22, which is close to the slope 221, is provided with a liquid inlet 222, a filter screen is arranged at the inlet of the liquid inlet 222, a circulation cavity 223 is arranged at the bottom of the lower plate 22, and a micropump is arranged in the circulation cavity 223.
As a specific embodiment of the present invention, a transition cavity 211 is formed in the upper fixture 21, the transition cavity 211 is communicated with the shower pipe 31 through a pipeline, a one-way valve is disposed in the pipeline, a hollow structure is formed in the sliding rod 41, one end of the sliding rod 41 is communicated with the circulation cavity 223, the other end of the sliding rod 41 is communicated with the transition cavity 211, and one end of the sliding rod 41, which is close to the circulation cavity 223, is provided with the one-way valve;
The cleaning water flows down along the surface of the PCB, falls into the lower plate 22, falls on the surface of the slope 221, then flows to two sides of the lower plate 22 along the gradient of the slope 221, enters the circulation cavity 223 through the liquid inlet 222, the controller controls the micro pump in the circulation cavity 223 to start, the micro pump conveys the cleaning water in the circulation cavity 223 to the sliding rod 41, the cleaning water is conveyed in one direction through the sliding rod 41, the cleaning water moves to one side far away from the circulation cavity 223, the cleaning water enters the transition cavity 211 through the sliding rod 41, and the cleaning water entering the transition cavity 211 flows into the spray pipe 31 through the one-way valve in the pipeline, so that the cleaning water is recycled, the waste of the cleaning water is reduced, and the utilization rate of the cleaning water is improved.
As a specific embodiment of the present invention, the guide rail in the upper fixture 21 and the main body of the upper fixture 21 are in a split structure; the cavity 212 is formed in the guide rail of the upper clamp 21, a micro motor is arranged in the cavity 212, a driving shaft of the micro motor is connected with a main gear, the main gear is meshed with a driven gear, a rotating rod is arranged at the top of the upper clamp 21, and the driven gear is arranged on the rotating rod.
As a specific embodiment of the present invention, the lower plate 22 is symmetrically provided with telescopic tubes 224 at one side close to the slope 221, the telescopic tubes 224 are slidably connected with telescopic rods 225, and the telescopic rods 225 are connected with the side walls of the telescopic tubes 224 through springs; a rubber block 226 is arranged at one end of the telescopic rod 225, which is far away from the telescopic pipe 224;
When the PCB is in the developing process, the controller controls the micro motor in the cavity 212 to start, the micro motor reciprocates, the driving shaft in the micro motor drives the main gear to rotate, the main gear rotates in the process of meshing with the driven gear, the driven gear drives the main body of the upper clamp 21 to swing, the upper clamp 21 swings, the liquid medicine flowing from top to bottom flows through the surface of the PCB fully under the centrifugal effect, when the liquid medicine flows downwards, bifurcation is avoided, the bottom of the PCB is caused, the bottom of the PCB is not developed, the developing quality of the PCB is improved, the utilization rate of the liquid medicine is improved, the rubber block 226 is extruded, the rubber block 226 is acted by the PCB, the telescopic rod 225 is extruded, the telescopic rod 225 moves along the telescopic pipe 224, the spring is extruded in the moving process of the telescopic rod 225, the spring is extruded to react with the PCB, the PCB is prevented from colliding with the lower plate 22 in the swinging process, the damage to the PCB is caused, and the quality of the PCB in the developing process is further guaranteed.
As a specific embodiment of the present invention, the side wall of the lower plate 22 is provided with a baffle 227, the baffle 227 is slidably connected to the sliding rod 41, and the baffle 227 is slidably connected to the side wall of the lower plate 22;
In the process of cleaning the PCB by the cleaning water, residual glue is generated by the reaction of the liquid medicine and the surface of the PCB, the cleaning water washes the surface of the PCB, so that the liquid medicine residual glue flows down along the cleaning water, the residual glue flows down into the lower plate 22 along with the cleaning water, the cleaning water flows into the circulation cavity 223 through the liquid inlet 222, the residual glue is filtered by the filter screen in the liquid inlet 222 and remains in the lower plate 22, after the development is stopped, a worker moves the baffle 227 along the sliding rod 41, the baffle 227 slides on the surface of the sliding rod 41, then the worker scrapes and collects the residual glue from the slope 221, the blocking of the liquid inlet 222 by the residual glue is avoided, the cleaning water cannot flow into the circulation cavity 223 through the liquid inlet 222, the circulation use of the cleaning water is ensured, and the utilization rate of the cleaning water is further improved.
The working principle of the invention is as follows:
The PCB is placed on the clamp assembly 2 by a worker, the PCB is clamped by the pneumatic clamp 23, then the worker starts the conveying device in the bracket 1 through the controller, the conveying device drives the conveying wheel to rotate, the guide wheel 12 is driven to rotate in the rotating process of the conveying wheel, the guide wheel 12 is driven to rotate so as to drive the upper clamp 21 to move, the conveying device drives the clamp assembly 2 to move, the clamp assembly 2 drives the PCB to move, after the PCB is moved to the visual sensing device, the visual sensing device converts an image signal into an electric signal and transmits the electric signal to the controller after observing the PCB, the controller controls the pump to start, the pump pumps the liquid medicine in the liquid medicine tank into a pipeline, the liquid medicine is conveyed into the spraying device 5 through the pipeline, the spraying device is controlled by the controller to start the spraying device 5 in the liquid medicine extracting process, the spraying nozzle is started through the spraying nozzle, the surface of the PCB is fully developed by the liquid medicine, the quality of the PCB is improved, the PCB is prevented from being caused by incomplete development, and the PCB production quality problem is further improved by the PCB is avoided, and the upper clamp 21 is driven by the conveying device to move in the spraying device in the process of continuing to continue to process of spraying the liquid medicine;
After the PCB board is sprayed by the spraying device 5, the conveying device continuously drives the conveying wheel to rotate, the guide wheel 12 is driven to rotate in the process of rotating the conveying wheel, the guide wheel 12 is driven to rotate to drive the upper clamp 21 to move, when the upper clamp 21 moves to the water outlet end of the side wall of the processing cavity 11, at the moment, the water outlet end is communicated with the upper clamp 21, the controller controls the conveying device to stop, then the controller controls the pump in the cleaning tank to start, the pump pumps cleaning water in the cleaning tank, the cleaning water is conveyed to the upper clamp 21 through the water outlet end, the cleaning water enters the spraying device 3, the controller controls the spraying device 3 to start, the cleaning water is sprayed to the surface of the PCB board through the spraying device 3 immediately, the cleaning water sprays on the surface of the PCB board from top to bottom, in the process of flowing of the cleaning water, the controller controls the rolling device 4 to roll the surface of the PCB board, and the cleaning water on the surface of the PCB board is far away from the upper clamp 21 flows, so that the residual liquid medicine and the cleaning water leave the surface of the PCB board;
The upper clamp 21 moves under the action of the guide wheel 12, the spray device 3 is driven to move in the moving process of the upper clamp 21, the water inlet 311 is communicated with the water outlet end on the side wall of the treatment cavity 11 in the moving process of the spray device 3, then the controller controls the conveying device to stop, then the electromagnetic valve in the water outlet end is controlled to be opened, the electromagnetic valve is opened, so that cleaning water in the cleaning tank moves under the action of the pump, the cleaning water enters the water inlet 311 through the water outlet end and enters the spray pipe 31 through the water inlet 311, the cleaning water entering the spray pipe 31 is sprayed to the PCB through the spray nozzle 32, the cleaning water falls on the surface of the PCB after being sprayed, then the cleaning water flows down along the surface of the PCB, the residual liquid medicine on the surface of the PCB is cleaned in the flowing process of the cleaning water, and the cleaning water flows on the PCB through the whole PCB, so that the cleaning water flows through the PCB, and the PCB is developed by the minimum cleaning water;
When the PCB is developed, the controller controls the micro motor in the movable plate 42 to start, the driving shaft in the micro motor drives the pulley to rotate, the pulley drives the movable plate 42 to move along the sliding rod 41, the movable plate 42 moves from the upper clamp 21 to the lower plate 22, the movable plate 42 drives the water roller 43 to move, the water roller 43 moves along the surface of the PCB, the controller controls the micro motor on the supporting rod to start in the process of moving the water roller 43, the micro motor drives the water roller 43 to rotate, cleaning water on the surface of the PCB is mixed with the liquid medicine to be scraped in the process of rotating the water roller 43, the water roller 43 moves from top to bottom, the water roller 43 is matched with the cleaning water to accelerate the cleaning of residual liquid medicine on the surface of the PCB; the water roller 43 cleans the surface of the PCB, drives off the residual glue of the liquid medicine attached to the surface of the PCB, avoids the residual glue attached to the surface of the PCB from affecting the subsequent absorption of the cleaning water on the surface of the PCB by the sponge welding sleeve, and extrudes the cleaning water in the sponge sleeve when the sponge sleeve encounters the water baffle, the extruded cleaning water flows along the water baffle 431, and the flowing cleaning water falls on the surface of the PCB again to wash the surface of the PCB;
The cleaning water flows down along the surface of the PCB, the cleaning water flows down into the lower plate 22, the cleaning water falls on the surface of the slope 221 and then flows to two sides of the lower plate 22 along the gradient of the slope 221, the cleaning water enters the circulation cavity 223 through the liquid inlet 222, the micro pump in the circulation cavity 223 is controlled by the controller to be started, the micro pump conveys the cleaning water in the circulation cavity 223 into the sliding rod 41, the cleaning water is conveyed in one way through the sliding rod 41, the cleaning water moves to one side far away from the circulation cavity 223, the cleaning water enters the transition cavity 211 through the sliding rod 41, and the cleaning water entering the transition cavity 211 flows into the spray pipe 31 through the one-way valve in the pipeline, so that the cleaning water is recycled;
When the PCB is in the developing process, the controller controls the micro motor in the cavity 212 to start, the micro motor reciprocates, the driving shaft in the micro motor drives the main gear to rotate, the main gear is meshed with the driven gear in the rotating process of the main gear, the driven gear drives the main body of the upper clamp 21 to swing, the upper clamp 21 drives the PCB to swing, the PCB swings, so that the liquid medicine flowing from top to bottom flows fully from the surface of the PCB under the centrifugal effect, when the liquid medicine flows downwards, bifurcation is avoided, the bottom of the PCB is not developed, the developing quality of the PCB is improved, the utilization rate of the liquid medicine is improved, the rubber block 226 is extruded, the rubber block 226 is acted by the PCB, the telescopic rod 225 is extruded, the telescopic rod 225 moves along the telescopic pipe 224, the spring is extruded in the moving process of the telescopic rod 225, and the spring is extruded to react with the PCB, so that the PCB is prevented from colliding with the lower plate 22 in the swinging process, and damage to the PCB is caused;
In the process of cleaning the PCB by the cleaning water, residual glue is generated by the reaction of the liquid medicine and the surface of the PCB, the cleaning water washes the surface of the PCB, so that the liquid medicine residual glue flows down along the cleaning water, the residual glue flows down into the lower plate 22 along with the cleaning water, the cleaning water flows into the circulation cavity 223 through the liquid inlet 222, the residual glue is filtered by the filter screen in the liquid inlet 222 and remains in the lower plate 22, after the development is stopped, a worker moves the baffle 227 along the sliding rod 41, the baffle 227 slides on the surface of the sliding rod 41, then the worker scrapes and collects the residual glue from the slope 221, and the phenomenon that the residual glue blocks the liquid inlet 222 to cause the cleaning water to flow into the circulation cavity 223 cannot be avoided through the liquid inlet 222 is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. Development equipment based on vertical conveying mode spraying effect is controllable, its characterized in that: comprising the following steps: the device comprises a support (1), wherein a processing cavity (11) is arranged in the support (1), guide wheels (12) are arranged at the upper end and the bottom end of the processing cavity (11), the guide wheels (12) are connected with conveying wheels, a conveying device is arranged in the support (1), and the conveying wheels are connected with the conveying device; a liquid medicine tank and a cleaning tank are arranged in the bracket (1); pump machines are arranged in the liquid medicine tank and the cleaning tank; the guide wheel (12) is connected with the clamp assembly (2) in a sliding manner, and the clamp assembly (2) is used for clamping the PCB;
A visual sensing device is arranged in the processing cavity (11), a spraying device (5) is also arranged in the processing cavity (11), and the spraying device (5) is communicated with a pump in the liquid medicine tank through a pipeline; the spraying device (5) is provided with an included angle with the horizontal plane;
The clamp assembly (2) comprises: the PCB cleaning device comprises an upper clamp (21) and a lower plate (22), wherein a pneumatic clamp (23) is arranged in the upper clamp (21), a spraying device (3) is arranged in the upper clamp (21), the spraying device (3) is communicated with a pump in a cleaning tank through a pipeline, the spraying device (3) is used for cleaning the liquid medicine of the PCB, a rolling device (4) is arranged on the lower plate (22), and the rolling device (4) is used for rolling cleaning water on the surface of the PCB;
The rolling device (4) comprises: the sliding rod (41), one end of the sliding rod (41) is arranged on the surface of the lower plate (22), the other end of the sliding rod (41) is connected with the upper clamp (21), four sliding rods (41) are symmetrically arranged on two sides of the lower plate (22) along the long side direction, a moving plate (42) is connected onto the sliding rod (41) in a sliding mode, a miniature motor is arranged in the moving plate (42), a driving shaft in the miniature motor is connected with a pulley, a supporting rod is arranged on one side, close to the PCB, of the moving plate (42), and a water roller (43) is connected onto the supporting rod in a sliding mode; a driving shaft in the water roller (43) passes through a supporting rod to be connected with a micro motor, and a water baffle (431) is arranged on the supporting rod; a sponge sleeve is arranged on the roller wall of the water roller (43); the water baffle (431) is contacted with the water roller (43);
A transition cavity (211) is formed in the upper clamp (21), the transition cavity (211) is communicated with a spray pipe (31) through a pipeline, a one-way valve is arranged in the pipeline, a hollow structure is arranged in the sliding rod (41), one end of the sliding rod (41) is communicated with a circulation cavity (223), the other end of the sliding rod (41) is communicated with the transition cavity (211), and one end, close to the circulation cavity (223), of the sliding rod (41) is provided with the one-way valve;
The spraying device (3) comprises: the spray pipes (31) are symmetrically arranged in the upper clamp (21), water inlets (311) are formed in the side walls of the spray pipes (31) penetrating through the upper clamp (21), spray nozzles (32) are formed in one sides, close to the pneumatic clamps (23), of the spray pipes (31), water outlet ends are formed in the side walls of the treatment cavities (11), and electromagnetic valves are arranged at the water outlet ends; the water outlet end is communicated with the cleaning tank.
2. The developing device with controllable spraying effect based on the vertical conveying mode according to claim 1, wherein: the bottom surface of the lower plate (22) is provided with a slope (221), and the height of the slope (221) is reduced from the center to two sides; one side of the lower plate (22) close to the slope (221) is provided with a liquid inlet (222), a filter screen is arranged at the inlet of the liquid inlet (222), a circulating cavity (223) is formed in the bottom of the lower plate (22), and a micropump is arranged in the circulating cavity (223).
3. The developing device with controllable spraying effect based on the vertical conveying mode according to claim 2, wherein: telescopic pipes (224) are symmetrically arranged on one side, close to the slope (221), of the lower plate (22), telescopic rods (225) are connected in a sliding mode in the telescopic pipes (224), and the telescopic rods (225) are connected with the side walls of the telescopic pipes (224) through springs; one end of the telescopic rod (225) far away from the telescopic pipe (224) is provided with a rubber block (226).
4. A vertical transport mode based development apparatus of controllable spray effect according to claim 3, wherein: the side wall of the lower plate (22) is provided with a baffle plate (227), the baffle plate (227) is slidably connected to the sliding rod (41), and the baffle plate (227) is slidably connected with the side wall of the lower plate (22).
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| CN202211458843.7A CN116618352B (en) | 2022-11-18 | 2022-11-18 | Development equipment with controllable spraying effect based on vertical conveying mode |
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| CN202211458843.7A CN116618352B (en) | 2022-11-18 | 2022-11-18 | Development equipment with controllable spraying effect based on vertical conveying mode |
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| CN116618352B true CN116618352B (en) | 2024-06-21 |
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Effective date of registration: 20230920 Address after: No. 70-1 Nanhu Road, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province, 215100 Applicant after: SUZHOU TOP CREATION MACHINES CO.,LTD. Address before: 226000 West Side of Jinzheng Road and North Side of Sanxing Street Road, Nantong High tech Zone, Nantong City, Jiangsu Province Applicant before: Nantong Chuangfeng Photoelectric Equipment Co.,Ltd. |
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