CN107949170B - Wiring board producing device - Google Patents
Wiring board producing device Download PDFInfo
- Publication number
- CN107949170B CN107949170B CN201711130933.2A CN201711130933A CN107949170B CN 107949170 B CN107949170 B CN 107949170B CN 201711130933 A CN201711130933 A CN 201711130933A CN 107949170 B CN107949170 B CN 107949170B
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- CN
- China
- Prior art keywords
- wiring board
- smear
- producing device
- support tube
- cylinder body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H05K3/0011—Working of insulating substrates or insulating layers
- H05K3/0055—After-treatment, e.g. cleaning or desmearing of holes
-
- 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
- H05K3/0085—Apparatus for treatments of printed circuits with liquids not provided for in groups H05K3/02 - H05K3/46; conveyors and holding means therefor
- H05K3/0088—Apparatus for treatments of printed circuits with liquids not provided for in groups H05K3/02 - H05K3/46; conveyors and holding means therefor for treatment of holes
-
- 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
- H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
- H05K3/42—Plated through-holes or plated via connections
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/07—Treatments involving liquids, e.g. plating, rinsing
- H05K2203/0779—Treatments involving liquids, e.g. plating, rinsing characterised by the specific liquids involved
- H05K2203/0786—Using an aqueous solution, e.g. for cleaning or during drilling of holes
- H05K2203/0796—Oxidant in aqueous solution, e.g. permanganate
-
- 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/08—Treatments involving gases
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The invention belongs to technical field of electronic devices, and in particular to a kind of wiring board producing device, including rack, extraction unit and de-smear unit；Extraction unit includes walker and Hanging Basket, and walker slides vertically with rack and connect；De-smear unit includes the cabinet for loading adhesive remover；Hanging Basket is mesh basket flexible；De-smear unit further includes support column, piston, cylinder body, hose and several support tubes, and support tube is equipped with venthole and the extension disk for loading substrate；Cylinder body is equipped with the air inlet with breather check valve and the gas outlet with outgassing nonreturn valve；Hose one end is connected to gas outlet, and the other end is connected to coil pipe；The technical program can allow substrate fully to react with adhesive remover, improve the de-smear effect of substrate.
Description
Technical field
The invention belongs to technical field of electronic devices, and in particular to a kind of wiring board producing device.
Background technique
Wiring board (PCB) is that dry film is sticked in copper-clad plate, and exposed development, etching form conductive circuit pattern in electronics
Product plays the role of current lead-through and signal transmits, and is the carrier of electronic component.It is big that the production procedure of PCB is broadly divided into eight
Part: internal layer circuit, lamination, drilling, hole metallization, outer layer dry film, outer-layer circuit, silk-screen, surface treatment and rear process.Wherein
The purpose of hole metallization process flow is to make the resin of the conductive portion on hole wall and glass fibre to metallize, convenient
Subsequent electroplating process is carried out, sufficiently conductive and protection metal hole wall is provided；Hole metallization process flow includes deburring, goes
Glue residue, chemical copper (PTH) He Yici copper.
High temperature caused by when the Crack cause of glue residue is to drill crosses glass transition temperature (Tg value), and on substrate
Molten state is formed, glue residue is generated.The purpose of desmear is to expose the copper ring that layers on substrates needs to interconnect, most common to remove photoresist
Slag method is using potassium permanganate (KMnO4) as adhesive remover.
Application No. is the Chinese patents of CN201620483286.8 to disclose a kind of de-smear continuous filter unit；Include
Side plate, connecting rod I, sliding rail, connecting rod II, vertical plate, motor I, cam, spring, sliding block, cabinet, motor II, shaft, baffle, balloon,
Shell, heating wire, valve I, 7 type brackets, dioxysulfate water tank I, valve II, staving, strainer I, active carbon and water tank II, ground
It is equipped with side plate, side plate is successively arranged connecting rod I, sliding rail and connecting rod II from top to bottom, and the right end of connecting rod I is equipped with vertical plate, vertical plate
Right side central is equipped with motor I.The technical solution is filtered after de-smear, helps to improve pcb board quality.
However there is also some problems for above-mentioned technical proposal: when de-smear, will only be equipped with and needs de-smear
The Hanging Basket of the rigidity of substrate directly sinks to cabinet, carries out de-smear by potassium permanganate adhesive remover, however this method will lead to
The substrate of each position and potassium permanganate contact area differ in Hanging Basket, and de-smear effect is uneven, close to the base of Hanging Basket side wall
Plate is reacted with potassium permanganate and is exaggerated, and the substrate for being located at Hanging Basket center does not react with potassium permanganate adequately, de-smear
Effect is bad.
Summary of the invention
The purpose of the present invention is to provide a kind of wiring board producing devices, substrate can be allowed fully to react with adhesive remover, mentioned
The de-smear effect of high substrate.
To achieve the above object, the invention provides the following technical scheme: wiring board producing device, including rack, extract it is single
Member and de-smear unit；Extraction unit includes walker and the Hanging Basket for loading substrate, and walker and rack slide vertically company
It connects, Hanging Basket is connect with walker；De-smear unit includes the cabinet for loading adhesive remover；Hanging Basket is mesh basket flexible；It removes
Glue residue unit further includes support column, piston, cylinder body, hose and several is located in the box body support tube；The support tube head and the tail connect
It connects to form spiral helicine coil pipe, support tube is equipped with venthole and the extension disk for loading substrate；Support column one end and coil pipe connect
It connects, the other end is connect with piston；Piston is slidably connected in cylinder body, and spring is connected between piston and cylinder body；It is set on cylinder body
There are the air inlet with breather check valve and the gas outlet with outgassing nonreturn valve；Hose one end is connected to gas outlet, the other end
It is connected to coil pipe.
The mode phase that de-smear is carried out in liquor potassic permanganate is put into the Hanging Basket of the loading substrate of rigidity in the prior art
Than the beneficial effect of the technical program is:
1, the Hanging Basket in the technical program is flexible, can be fitted on coil pipe freely, so that the substrate in Hanging Basket
It is dispersed on the support tube at top and the extension disk of each support tube, effectively prevents the base in the prior art positioned at Hanging Basket side wall
Plate and substrate positioned at Hanging Basket center contact non-uniform situation with adhesive remover, and such substrate can be more evenly distributed in cabinet
Each place, de-smear effect is more evenly.
2, when the Hanging Basket equipped with substrate is fallen on coil pipe, piston is moved down, and the intracorporal gas of cylinder is discharged, and by soft
Pipe enters in support tube, and gas is discharged from venthole again, to play the role of pump to adhesive remover solution, that is, reaches agitating solution
Effect, be in contact with substrate in this way, having more effective adhesive remover ingredients, the effect of substrate de-smear more sufficiently, thoroughly, removes
Glue residue effect is more preferable.
3, the number of substrates loaded in Hanging Basket is more, and weight is bigger, and coil pipe moves down that speed is faster, and piston moves down
Speed it is also faster, the rate that gas is discharged from venthole is bigger, and the reaction rate of substrate and adhesive remover is higher, effectively prevent base
The case where plate quantity is excessively not sufficiently reacted；It is automatic realize according to number of substrates number control the rate of gas ejection
Speed, to control the height of de-smear reaction rate.
4, during coil pipe moves down under the gravity of Hanging Basket and substrate, also it can make case using the deformation of itself
Intracorporal adhesive remover solvent flows in the vertical direction, further improves the mixing effect to adhesive remover solution, removes glue
Slag better effect.
5, when Hanging Basket being lifted off cabinet after de-smear, piston automatically resets under the action of the spring,
Cylinder body inner volume becomes larger, and generates pressure difference, and the breather check valve of air inlet is opened, and is automatically drawn into gas in case next de-smear is made
Industry；High degree of automation, de-smear are easy to operate.
Preferred embodiment one, as the preferred embodiment of basic scheme, the outer diameter of coil pipe from top to bottom successively becomes larger.Such substrate
It can more easily fall on the extension disk of support tube, distribution is also more uniform, helps to improve the de-smear uniformity.
Preferred embodiment two, preferably one preferred embodiment, hangs disk and is circumferentially arranged on support tube.Each in this way
Stay tube can load more substrates, help to improve the de-smear treating capacity of single.
Preferred embodiment three, as the preferred embodiment of basic scheme, the venthole on each support tube is no less than 10.In this way
The gas of ejection is more, and more preferably, de-smear effect is more preferable for mixing effect.
Preferred embodiment four, preferably three preferred embodiment, several ventholes are wavy to be distributed on support tube.
The venthole of waveform distribution stirs more evenly the adhesive remover solution in place each in cabinet.
Preferred embodiment five, preferably two or preferred embodiment four preferred embodiment, the support of hose and bottommost
Pipe connection.In this way, gas can soon flow to the support tube of top from the support tube of bottommost, venthole exhaust efficiency is more
It is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wiring board producing device embodiment of the present invention.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: rack 1, walker 10, mesh basket 11, hook 12, cabinet 2, support
Pipe 3, hangs disk 31, support column 4, piston 5, pressure spring 50, cylinder body 6, air inlet 60, breather check valve 61, gas outlet at venthole 30
62, outgassing nonreturn valve 63, hose 7.
Embodiment is substantially as shown in Fig. 1: wiring board producing device, including rack 1, extraction unit and de-smear unit.
Extraction unit includes walker 10 and Hanging Basket, and walker 10 slides vertically with rack 1 and connect.Hanging Basket is net flexible
The deformable mesh basket 11 of shape basket 11, preferably PVC material production, mesh basket 11 is for loading substrate and by 12 connection of hook
On walker 10.
De-smear unit includes the cabinet 2 for loading adhesive remover, and preferred potassium permanganate is molten in the present embodiment for adhesive remover
Liquid, cabinet 2 are interior equipped with support column 4, piston 5, cylinder body 6, hose 7 and several support tubes 3 in cabinet 2；Several support tubes 3
Head and the tail connection forms spiral helicine coil pipe；And the outer diameter of coil pipe from top to bottom successively becomes larger.Support tube 3 is equipped with 30 He of venthole
For loading the extension disk 31 of substrate；Venthole 30 on each support tube 3 is no less than 10,30 wavy points of several ventholes
Cloth is on support tube 3；Disk 31 is hung circumferentially to be welded on support tube 3.
4 top of support column and the bottom of coil pipe are welded, and bottom is connect with piston 5；Piston 5 is slidably connected in cylinder body 6, and
Spring, the preferred pressure spring 50 of the present embodiment are connected between piston 5 and cylinder body 6；Cylinder body 6 be equipped with breather check valve 61 into
Port 60 and gas outlet 62 with outgassing nonreturn valve 63；The external Nitrogen source gases of air inlet 60；7 one end of hose and gas outlet 62 connect
Logical, the other end is connected to the support tube 3 of bottommost.
When de-smear, substrate is put into mesh basket 11, is then hooked on walker 10, and controls walker 10 to downslide
It moves to cabinet 2.11 bottom of mesh basket equipped with substrate is fallen on the support tube 3 of coil pipe top, the sidewall portion of mesh basket 11
Divide on the support tube 3 for being successively attached to lower section under the effect of gravity；And 3 length of support tube due to the support tube of lower section 3 than top
It is longer, so substrate can be gradually dispersed on the extension disk 31 of support tube 3.
Meanwhile when the mesh basket 11 equipped with substrate is fallen on coil pipe, effect of the coil pipe in substrate and mesh basket 11
Under can be pressed downward support column 4, push piston 5, the slide downward in cylinder body 6 of piston 5, breather check valve 61 close support column 4 still further below
It closing, outgassing nonreturn valve 63 is opened, and the nitrogen in cylinder is discharged from gas outlet 62, and is entered in each support tube 3 by hose 7,
Then it is discharged again by the venthole 30 on support tube 3；Nitrogen is discharged in the liquor potassic permanganate in cabinet 2, is played to solution
Stirring action, so that substrate and liquor potassic permanganate carry out sufficient haptoreaction, so as to improve de-smear effect.
After de-smear, making 10 upward sliding of walker, lifts mesh basket 11, coil pipe reduces the pressure of support column 4,
5 upward sliding of piston, the volume in cylinder body 6 where nitrogen become larger, and due to the effect of air pressure, outgassing nonreturn valve 63 is closed, air inlet
Check valve 61 is opened, and nitrogen enters in cylinder body 6 from air inlet 60, facilitates next de-smear operation.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (6)
1. wiring board producing device, including rack, extraction unit and de-smear unit；The extraction unit includes walker and use
In the Hanging Basket for loading substrate, the walker slides vertically with rack to be connect, and the Hanging Basket is connect with walker；The de-smear
Unit includes the cabinet for loading adhesive remover；It is characterized by: the Hanging Basket is mesh basket flexible；The de-smear unit
Further include support column, piston, cylinder body, hose and several is located in the box body support tube；The support tube head and the tail connection forms spiral shell
The coil pipe of shape is revolved, and support tube is equipped with venthole and the extension disk for loading substrate；Described support column one end is connect with coil pipe,
The other end is connect with piston；The piston is slidably connected in cylinder body, and spring is connected between piston and cylinder body, and spring is selected
Pressure spring；The cylinder body is equipped with the air inlet with breather check valve and the gas outlet with outgassing nonreturn valve；The hose one
End is connected to gas outlet, and the other end is connected to coil pipe.
2. wiring board producing device according to claim 1, it is characterised in that: the outer diameter of the coil pipe is from top to bottom successively
Become larger.
3. wiring board producing device according to claim 2, it is characterised in that: the extension disk is circumferentially arranged in the support
Guan Shang.
4. wiring board producing device according to claim 1, it is characterised in that: the venthole on each support tube is no less than
10.
5. wiring board producing device according to claim 4, it is characterised in that: several wavy distributions of venthole
On support tube.
6. the wiring board producing device according to claim 3 or 5, it is characterised in that: the support of the hose and bottommost
Pipe connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130933.2A CN107949170B (en) | 2017-11-15 | 2017-11-15 | Wiring board producing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711130933.2A CN107949170B (en) | 2017-11-15 | 2017-11-15 | Wiring board producing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107949170A CN107949170A (en) | 2018-04-20 |
| CN107949170B true CN107949170B (en) | 2019-11-05 |
Family
ID=61931286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711130933.2A Active CN107949170B (en) | 2017-11-15 | 2017-11-15 | Wiring board producing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107949170B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205510566U (en) * | 2016-04-11 | 2016-08-24 | 苏州市王氏电路板有限公司 | Sediment device is glued to automatic removing of high -efficient PCB board |
| CN107321702A (en) * | 2017-08-16 | 2017-11-07 | 无锡市日升机械厂 | The cleaning machine of elastic string bag filter is installed |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015108184A1 (en) * | 2014-01-20 | 2015-07-23 | ウシオ電機株式会社 | Desmearing processing device |
| CN203788569U (en) * | 2014-04-15 | 2014-08-20 | 东莞宇宙电路板设备有限公司 | Glue refuse removing machine |
| CN205755086U (en) * | 2016-05-20 | 2016-11-30 | 信丰福昌发电子有限公司 | A kind of pcb board de-smear device |
-
2017
- 2017-11-15 CN CN201711130933.2A patent/CN107949170B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205510566U (en) * | 2016-04-11 | 2016-08-24 | 苏州市王氏电路板有限公司 | Sediment device is glued to automatic removing of high -efficient PCB board |
| CN107321702A (en) * | 2017-08-16 | 2017-11-07 | 无锡市日升机械厂 | The cleaning machine of elastic string bag filter is installed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107949170A (en) | 2018-04-20 |
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