CN209731736U - A kind of super roughening production line of circuit board surface - Google Patents
A kind of super roughening production line of circuit board surface Download PDFInfo
- Publication number
- CN209731736U CN209731736U CN201920011189.2U CN201920011189U CN209731736U CN 209731736 U CN209731736 U CN 209731736U CN 201920011189 U CN201920011189 U CN 201920011189U CN 209731736 U CN209731736 U CN 209731736U
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- sandblasting
- circuit board
- microetch
- sand
- steel sand
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Abstract
The utility model discloses a kind of super roughening production lines of circuit board surface, including sandblasting section and microetch section, the sandblasting section is successively arranged sand-blasting machine and sandblasting cleaning machine, the sand-blasting machine includes transmission device, the transmission device is equipped with blast room, is equipped in the blast room for the sandblasting mechanism to the circuit board ejector steel sand being placed on transmission device；The microetch section is successively arranged microetch machine, microetch cleaning machine and dryer, and the microetch machine includes for the microetch spray head to the super roughening micro-corrosion liquid of the circuit board ejector being placed on transfer roller and the micro-corrosion liquid recovery pond being arranged in below transfer roller.The embodiments of the present invention realize the super roughening processing of circuit board copper surface using the method mechanically and chemically combined, the method for carrying out super roughening is hit using repeatedly mechanical steel sand relative to tradition, the excessive mechanical damage to copper face is avoided, the precision of super roughening is improved.
Description
Technical field
The utility model relates to PCB production equipment technology, in particular to the super roughening production line of a kind of circuit board surface.
Background technique
In printed-circuit board manufacturing technology, need to coat solder mask after outer-layer circuit stroke to protect non-solder line
Road, if the bonding force of solder mask and copper face is insufficient, (the heavy tin of chemistry, chemistry are heavy in subsequent solderable coating processing technique
Nickel etc.) attack by chemical agent, it will lead to the removing of solder mask.
The pre-treating method of copper roughing in surface has schmigel (or volcanic ash) brushing, mechanical grinding etc. at present, and for reality
The super roughening of existing copper face needs to increase steel sand to copper face when using schmigel (or volcanic ash) brushing and mechanical grinding copper face
Shock dynamics, be easy to cause copper plate distortion, substantially reduce yield rate.Accordingly, it is desirable to provide a kind of copper of novel circuit board
The super roughening production line of plate surface both may be implemented the super roughening of circuit board, while can also reduce the mechanical failure that copper sheet surface is subject to,
Improve yield rate.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of machinery that can reduce to the copper face of circuit board
The super roughening equipment of damaged condition, i.e., the super roughening production line of a kind of circuit board surface.
The technical solution adopted by the utility model to solve the problem is as follows:
A kind of super roughening production line of circuit board surface, comprising:
Sandblasting section, the sandblasting section are successively arranged sand-blasting machine and sandblasting cleaning machine, and the sand-blasting machine includes transmission device, institute
Transmission device is stated equipped with blast room, equipped with for the circuit board ejector steel sand being placed on transmission device in the blast room
Sandblasting mechanism；The sandblasting cleaning machine includes that transfer roller, the sandblasting cleaning sprayer being arranged in above transfer roller and setting exist
Sandblasting Sewage treatment pond below transfer roller；
Microetch section, the microetch section are successively arranged microetch machine, microetch cleaning machine and dryer, and the microetch machine includes being used for
To the super microetch spray head for being roughened micro-corrosion liquid of the circuit board ejector being placed on transfer roller and the microetch being arranged in below transfer roller
Liquid recovery pond；The microetch cleaning machine includes microetch cleaning sprayer and the microetch Sewage treatment pond that is arranged in below transfer roller；Institute
Stating dryer includes the first air knife being arranged for the circuit board blowout hot wind being placed on transfer roller.
Preferably, the sandblasting section further includes the sandblasting recovering mechanism being arranged between sand-blasting machine and sandblasting cleaning machine, institute
Stating sandblasting recovering mechanism includes that several be staggered below the second air knife of transmission device two sides, the transmission device is equipped with one
Material-collecting funnel, the opening below the material-collecting funnel are connected with a Material collecting box for harvesting.
Preferably, horizontal positioned steel sand filter screen is equipped in sandblasting Sewage treatment pond, in the Sewage treatment pond
Steel sand filter screen is divided into epicoele and cavity of resorption in portion, and the side wall that sandblasting Sewage treatment pond corresponds to cavity of resorption is equipped with water outlet
Mouthful.
Preferably, the sandblasting mechanism includes steel sand batch can, tee tube, expects pipe, ejector and high pressure blower, the jet stream
Device includes air entry and the air intlet and air outlet slit that both ends are arranged in, and the side wall of the steel sand batch can is equipped with discharging
Mouthful, the one of port of tee tube connects the discharge port, and another port connects expects pipe, and the expects pipe other end connects ejector
Air entry, the ejector air intlet connection high pressure blower air outlet, the ejector air outlet slit alignment puts
It sets the circuit board on transmission device and ejects steel sand.
Preferably, further include feed hopper, the opening of the lower end of hopper protrudes into the internal cavities of steel sand batch can, it is described into
The opening of hopper lower end is equipped with solenoid valve.
The beneficial effects of the utility model are: the super roughening production of a kind of circuit board surface that the utility model embodiment uses
Line, including sandblasting section and microetch section are carried out for the first time in sandblasting section using the light-weighted mechanical coarsening copper sheet surface to circuit board
Roughening operation, and when next to deepen to the degree of roughness for having carried out the circuit board copper surface after roughening operates for the first time,
The method for using chemistry instead carries out super roughening to the copper face be roughened for the first time by using super roughening micro-corrosion liquid and operates, passes through
The shortcomings that steel sand is to the bad control of the shock dynamics of copper face in mechanical means is overcome using the microetch of chemistry, is avoided using machine
Tool, which carries out super roughening, to be caused to cause copper face excessive mechanical failure.The embodiments of the present invention are used and are mechanically and chemically combined
Method realize the super roughening processing of circuit board copper surface, carry out super roughening using repeatedly mechanical steel sand shock relative to tradition
Method avoids the excessive mechanical damage to copper face, improves the precision of super roughening.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of the sandblasting mechanism of the utility model embodiment；
In figure, 11- transmission device, 12- shell, 13- steel sand recycling bins, 14- transfer roller, 2- sandblasting mechanism, 21-
Steel sand batch can, 22- discharge port, 23- tee tube, 24- expects pipe, 25- feed hopper, 26- solenoid valve, 27- diamond dust, 3-
Ejector, 31- air intlet, 32- air outlet slit, 33- air entry, the second air knife of 41-, 42- material-collecting funnel, 43- collection
Hopper, 5- sandblasting Sewage treatment pond, 51- steel sand filter screen, 52- epicoele, 53- cavity of resorption, 54- sandblasting cleaning sprayer, 61-
Microetch spray head, 62- microetch Sewage treatment pond, 71- microetch cleaning sprayer, 72- microetch Sewage treatment pond, the first air knife of 81-.
Specific embodiment
- Fig. 2 referring to Fig.1, a kind of super roughening production line of circuit board surface provided by the embodiment of the utility model, including according to
The sandblasting section and microetch section of secondary setting, the sandblasting section are successively arranged sand-blasting machine and sandblasting cleaning machine, and the sand-blasting machine includes passing
Send device 11, the transmission device 11 is equipped with blast room, and blast room is equipped with one, and to prevent steel sand from falling to outer outside blast room
Shell 12 is equipped with for the sandblasting mechanism 2 to the circuit board ejector steel sand being placed on transmission device 11, sandblasting in the blast room
Steel sand is sprayed the copper face to circuit board with certain speed by mechanism 2, and the copper face of circuit board is become coarse by the shock of steel sand,
Increase ink in the viscosity on its surface, is splashed corresponding to being equipped with below the transmission device 11 of blast room for recycling from circuit board surface
The steel sand recycling bins 13 of the steel sand fallen；The copper face of circuit board by steel sand injection can be attached with steel sand, and transmission device 11 will be electric
Road plate from the transfer roller 14 that spraying machine is transmitted to sandblasting cleaning machine, the sandblasting cleaning machine include transfer roller 14, setting passing
The sandblasting Sewage treatment pond 5 sending the sandblasting cleaning sprayer 54 of the top of roller 14 and being arranged in below transfer roller 14, water pump is by clear water
It pumps to sandblasting cleaning sprayer 54, clear water is ejected into steel sand thereon on the circuit board on transfer roller 14 by sandblasting cleaning sprayer 54
Punching is fallen in sandblasting Sewage treatment pond 5.The circuit board sent out from the sand-blasting machine and sandblasting cleaning machine of sandblasting section enters
In microetch section, transfer roller 14 extends in microetch section from sandblasting section, the microetch section be successively arranged microetch machine, microetch cleaning machine and
Circuit board after the cleaning of sandblasting cleaning machine is transmitted in microetch machine by dryer, transfer roller 14, and the microetch machine includes using
In the microetch spray head 61 to the super roughening micro-corrosion liquid of the circuit board ejector being placed on transfer roller 14 and it is arranged under transfer roller 14
Super roughening micro-corrosion liquid is pumped into microetch spray head 61 by the micro-corrosion liquid recovery pond of side using pump, is distributed in 14 top of transfer roller
Super roughening micro-corrosion liquid is sprayed to the super roughening that the copper face of circuit board carries out circuit board copper surface and is reacted by microetch spray head 61；By super thick
After changing reaction, circuit is transmitted in microetch cleaning machine by transfer roller 14, and the microetch cleaning machine includes 71 He of microetch cleaning sprayer
Microetch Sewage treatment pond 7262 below transfer roller 14 is set, clear water is pumped into microetch cleaning sprayer 71 using water pump,
Microetch cleaning sprayer 71 above transfer roller 14 cleans the super roughening micro-corrosion liquid of circuit board surface to circuit board ejector clear water
Completely；Transfer roller 14 will be transmitted in dryer by the circuit board of microetch cleaning machine cleaning and dry, the dryer packet
Air-heater and setting are included for the first air knife 81 to the circuit board blowout hot wind being placed on transfer roller 14, air-heater passes through pipe
The hot wind of road heat air delivery into the first air knife 81, the blowout of the first air knife 81 can accelerate the evaporation of circuit board surface moisture, mention
High efficiency.The super roughening production line setting sandblasting section of circuit board surface and microetch section in the present embodiment, so that circuit board is successively
The super roughening that circuit board surface is completed by mechanical coarsening and chemical super roughening, avoids repeatedly mechanical sandblasting and realizes circuit board table
Circuit board damage problem caused by the super roughening in face, while carrying out super roughening using super roughening micro-corrosion liquid mode can be super according to control
It is roughened the degree of the super roughening of concentration more precise control of micro-corrosion liquid liquid medicine, improves the super roughening production precision of circuit board surface.
On the basis of the above embodiments, in order to improve sandblasting cleaning machine to the cleaning effect of the steel sand of circuit board surface,
Remaining steel sand thereon is pre-processed before circuit board enters sandblasting cleaning machine, the sandblasting section further includes being arranged in sand-blasting machine
Sandblasting recovering mechanism between sandblasting cleaning machine, the sandblasting recovering mechanism include several be staggered at 11 liang of transmission device
Second air knife 41 of side, the second air knife 41 are connect with blower, and the air-out direction and circuit board of the second air knife 41 remain steel sand
Copper face inclination, the pressure-air that high pressure blower generates blow out the electricity being obliquely injected on transmission device 11 from the second air knife 41
Road plate surface blows off steel sand thereon, and one is equipped with below the transmission device 11 for receiving the leakage of gathering materials of the steel sand blown off
The opening of bucket 42,42 lower section of material-collecting funnel is connected with a Material collecting box for harvesting 43, facilitates and recycles the steel sand blown off.By in electricity
Road plate adds the sandblasting recovering mechanism that steel sand remaining on circuit board can be blown off and be recycled before entering jet cleaner,
Improve the cleaning efficiency of sandblasting cleaning machine.
On the basis of the above embodiments, the steel sand that the punching of cleaning sprayer 54 is fallen will be grit blasted for convenience to be divided with water
From sandblasting Sewage treatment pond 5 is interior to be equipped with horizontal positioned steel sand filter screen 51, steel sand mistake in the Sewage treatment pond inside
Strainer 51 is divided into epicoele 52 and cavity of resorption 53, and the side wall that sandblasting Sewage treatment pond 5 corresponds to cavity of resorption 53 is equipped with water outlet.
The mesh size of steel sand filter screen 51 can just stop steel sand, therefore the water amount containing steel sand in cavity of resorption 53 is low, can be direct
Discharge, when the steel sand on steel sand filter screen 51 runs up to a certain amount of, can directly by steel sand filter screen 51 take out and will thereon
Steel sand collect, facilitate the recycling of steel sand.
For, for steel sand to be ejected into the sandblasting mechanism 2 of circuit board copper surface, being present embodiments provided in above-described embodiment
A kind of specific implementation structure as described in Figure 2, the sandblasting mechanism 2 include steel sand batch can 21, tee tube 23, expects pipe 24, penetrate
Device 3 and high pressure blower are flowed, steel sand, i.e. diamond dust 27 are housed in steel sand batch can 21, the ejector 3 includes air entry 33 and sets
The air intlet 31 and air outlet slit 32 at both ends are set, the side wall of the steel sand batch can 21 is equipped with discharge port 22, the threeway
The one of port of pipe 23 connects the discharge port 22, and another port connects expects pipe 24, the third port connection of tee tube 23
Atmosphere, 24 other end of expects pipe connect the air entry 33 of ejector 3, and the air intlet 31 of the ejector 3 connects high pressure blower
Air outlet, the air outlet slit 32 of the ejector 3 are directed at the circuit board being placed on transmission device 11 and eject steel sand.Jet stream
Device 3 utilize Venturi effect, when high pressure blower air outlet by the air of high speed from the air intlet 31 of jet pipe to air outlet slit
32 generate a negative pressure in air entry 33 when flowing through, this negative pressure is by the tee tube 23 that is connected to expects pipe 24 by steel sand batch can 21
In steel sand be drawn into ejector 3 through air entry 33 and mixed with the air of 3 high speed of ejector from air outlet slit 32 project
It is ejected into the roughening that copper face is carried out on the copper face of circuit board surface.2 structure of sandblasting mechanism provided in the present embodiment is simple, is easy to
Maintenance.
For sandblasting mechanism 2 provided by the above embodiment, the present embodiment additionally provides a kind of improvement project, for convenience to
Steel sand is added in steel sand batch can 21, further includes the feed hopper 25 added, feed hopper 25 is at a funnel-form, 25 lower end of feed hopper
Opening protrude into the internal cavities of steel sand batch can 21, the opening of 25 lower end of feed hopper is equipped with solenoid valve 26.Pass through controller
Be connected to solenoid valve 26, in steel sand batch can 21 be equipped with can to controller send signal level-sensing device (not shown),
When level-sensing device detects the steel sand deficiency in steel sand batch can 21, solenoid valve 26 is controlled by controller and is opened, steel sand is from charging
The opening of 25 lower ends of struggling against drops into steel sand batch can 21, realizes that auto feed may be implemented continuously to spray without shutting down hand stock
Sand operation, improves production efficiency.
Hereinafter, the working principle to the utility model embodiment is briefly described:
The circuit board for carrying out super roughening will be needed to be put on transmission device 11, circuit board is transmitted to spray by transmission device 11
The roughening for the first time of circuit board surface is completed in the shock for the steel sand that sand machine is sprayed by sandblasting mechanism 2, then is transmitted by transmission device 11
What is blown out to sandblasting recovering mechanism using the second air knife 41 being staggered in 11 two sides of transmission device is tilted with circuit board surface
Wind remaining steel sand blown off in material-collecting funnel 42 recycle；Then circuit board is transmitted to from the end of transmission device 11
It send on roller 14, and is carried out the cleaning of circuit board surface steel sand by sandblasting cleaning machine by the transmission of transfer roller 14；Transfer roller 14 is then
Circuit board is sent to the super roughening micro-corrosion liquid projected in microetch machine with jet pipe air outlet slit 32 to carry out contacting completion circuit board
The super roughening chemical reaction of the copper face on surface；Circuit board after completing super roughening by transfer roller 14 be sequentially transmitted microetch cleaning machine and
Dryer removes the remaining super roughening micro-corrosion liquid of circuit board surface, finally obtains the circuit board by the dual processing of mechanical-chemical
The super roughening production line in surface, the production line reduce purely mechanic super roughening operation due to that will chemically react in conjunction with automatic reaction
To the excessive damage of bringing of circuit board surface, the quality of super roughening is also improved using chemical reaction.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (5)
1. a kind of super roughening production line of circuit board surface characterized by comprising
Sandblasting section, the sandblasting section are successively arranged sand-blasting machine and sandblasting cleaning machine, and the sand-blasting machine includes transmission device, the biography
It send device to be equipped with blast room, is equipped in the blast room for the spray to the circuit board ejector steel sand being placed on transmission device
Sand mechanism；The sandblasting cleaning machine includes that transfer roller, the sandblasting cleaning sprayer being arranged in above transfer roller and setting are transmitting
Sandblasting Sewage treatment pond below roller；
Microetch section, the microetch section are successively arranged microetch machine, microetch cleaning machine and dryer, and the microetch machine includes for putting
The micro-corrosion liquid setting the microetch spray head of the super roughening micro-corrosion liquid of the circuit board ejector on transfer roller and being arranged in below transfer roller returns
Receives pond；The microetch cleaning machine includes microetch cleaning sprayer and the microetch Sewage treatment pond that is arranged in below transfer roller；The baking
Dry machine includes the first air knife being arranged for the circuit board blowout hot wind being placed on transfer roller.
2. a kind of super roughening production line of circuit board surface according to claim 1, it is characterised in that: the sandblasting section is also wrapped
The sandblasting recovering mechanism being arranged between sand-blasting machine and sandblasting cleaning machine is included, the sandblasting recovering mechanism includes several is staggered
The second air knife in transmission device two sides, the transmission device lower section are equipped with a material-collecting funnel, opening below the material-collecting funnel
Mouth is connected with a Material collecting box for harvesting.
3. a kind of super roughening production line of circuit board surface according to claim 1 or 2, it is characterised in that: the sandblasting is useless
Be equipped with horizontal positioned steel sand filter screen in water recovery pond, inside the Sewage treatment pond in steel sand filter screen be divided into epicoele and
Cavity of resorption, the side wall that sandblasting Sewage treatment pond corresponds to cavity of resorption are equipped with water outlet.
4. a kind of super roughening production line of circuit board surface according to claim 1 or 2, it is characterised in that: the sand-blasting machine
Structure includes steel sand batch can, tee tube, expects pipe, ejector and high pressure blower, and the ejector includes air entry and is arranged two
The side wall of the air intlet and air outlet slit at end, the steel sand batch can is equipped with discharge port, the one of port of tee tube
The discharge port is connected, another port connects expects pipe, and the expects pipe other end connects the air entry of ejector, the air of the ejector
Import connects the air outlet of high pressure blower, the circuit board that the air outlet slit alignment of the ejector is placed on transmission device and spray
Project steel sand.
5. a kind of super roughening production line of circuit board surface according to claim 4, it is characterised in that: it further include feed hopper,
The opening of the lower end of hopper protrudes into the internal cavities of steel sand batch can, and the opening of the lower end of hopper is equipped with solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011189.2U CN209731736U (en) | 2019-01-02 | 2019-01-02 | A kind of super roughening production line of circuit board surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920011189.2U CN209731736U (en) | 2019-01-02 | 2019-01-02 | A kind of super roughening production line of circuit board surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209731736U true CN209731736U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920011189.2U Active CN209731736U (en) | 2019-01-02 | 2019-01-02 | A kind of super roughening production line of circuit board surface |
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| CN (1) | CN209731736U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111328207A (en) * | 2020-03-16 | 2020-06-23 | 信泰电子（西安）有限公司 | Roughening treatment method for resin surface of PCB (printed circuit board) substrate, application and PCB |
| CN117026234A (en) * | 2023-10-16 | 2023-11-10 | 东莞市速速电子科技有限公司 | Copper surface microetching solution recycling and copper extracting method and system |
-
2019
- 2019-01-02 CN CN201920011189.2U patent/CN209731736U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111328207A (en) * | 2020-03-16 | 2020-06-23 | 信泰电子（西安）有限公司 | Roughening treatment method for resin surface of PCB (printed circuit board) substrate, application and PCB |
| CN111328207B (en) * | 2020-03-16 | 2023-08-01 | 信泰电子（西安）有限公司 | Roughening treatment method and application of PCB (printed circuit board) substrate resin surface and PCB |
| CN117026234A (en) * | 2023-10-16 | 2023-11-10 | 东莞市速速电子科技有限公司 | Copper surface microetching solution recycling and copper extracting method and system |
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