CN108601240A - A kind of SMT printing apparatus - Google Patents
A kind of SMT printing apparatus Download PDFInfo
- Publication number
- CN108601240A CN108601240A CN201810338266.5A CN201810338266A CN108601240A CN 108601240 A CN108601240 A CN 108601240A CN 201810338266 A CN201810338266 A CN 201810338266A CN 108601240 A CN108601240 A CN 108601240A
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- China
- Prior art keywords
- tin
- scraper
- recycling
- cylinder
- knife
- 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
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3457—Solder materials or compositions; Methods of application thereof
-
- 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
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0126—Dispenser, e.g. for solder paste, for supplying conductive paste for screen printing or for filling 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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/01—Tools for processing; Objects used during processing
- H05K2203/0104—Tools for processing; Objects used during processing for patterning or coating
- H05K2203/0139—Blade or squeegee, e.g. for screen printing or filling of holes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Screen Printers (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The invention discloses a kind of SMT printing apparatus, relate generally to a kind of printing equipment for printed circuit board.Including body, jig body, FR4 plates, PCB circuit board, SMT printed steel mesh and scraer printing system assembly, the scraer printing system assembly includes storage of higher pressures tin box, scraper driving unit assembly, recycling driving device for cutter assembly, tin cream stirring device assembly, stirring box body, the scraper driving unit assembly includes scraper cylinder, scraper drive connection part and scraper body, and the recycling driving device for cutter assembly includes recycling knife cylinder, recycling knife drive connection part and recycling knife cutter hub.The beneficial effects of the present invention are：It has abandoned and has stirred a series of deficiencies caused by tin cream in traditional technology by hand, the production efficiency of product is improved by the way of automatic stirring tin cream, automatic release tin cream；And extra tin cream can be recycled and reused.
Description
Technical field
The present invention relates to a kind of printing equipment for printed circuit board, specifically a kind of SMT printing apparatus.
Background technology
Printed circuit board is widely used because having many advantages, such as that packaging density is high.It first has to before being printed
Preparation and matched auxiliaring equipment check work, then are compared to set PCB according to the position of halftone trepanning solid
Positioning is set, and pcb board is fixed.Then template is put, template is equipped with SMT printed steel mesh, align substantially, finely tunes.
Then tin cream, mixing time 3-5 minutes are being stirred by hand；Thick tin cream is coated onto SMT printed steel mesh again after having stirred
It above position of opening, then is tiltedly scraped once with 45 degree or 65 degree of angles with scraper, tin cream is bitten in board pads.Then it changes
Plate carries out second piece of plate silk-screen work.The printing process of printed circuit board still mostly uses stirring tin cream by hand at present, by hand
Stirring tin cream is time-consuming and laborious, and working efficiency is low, and tin cream is sticky, and whipping process labor intensity is big, and when stirring in air
Dust, lint object are easy to mix in tin cream, and the trepanning that SMT printed steel mesh when smearing tin cream is scraped so as to cause scraper applies leakage discontinuously,
To influence product quality.And it can be smeared when thick tin cream being coated onto above the position of opening of SMT printed steel mesh by hand
Unevenness is needed to be finely tuned by hand, can completely bite and be covered in board pads when being scratched with scraper with guarantee.Institute
To need a kind of automatic stirring tin cream, the automatic device for discharging tin cream to improve the production efficiency of product at present.
Invention content
The purpose of the present invention is to provide a kind of SMT printing apparatus, it has been abandoned stirs tin cream institute by hand in traditional technology
A series of deficiencies brought improve the production efficiency of product by the way of automatic stirring tin cream, automatic release tin cream；And
Extra tin cream can be recycled and reused.
The present invention to achieve the above object, is achieved through the following technical solutions：
A kind of SMT printing apparatus, including body, jig body, FR4 plates, PCB circuit board, SMT printed steel mesh and scrape printing equipment
Assembly is set, the body is equipped with steel mesh handgrip, lateral position regulating mechanism, and the lateral position regulating mechanism is screw-nut
The screw of transmission mechanism, the screw-nut transmission mechanism is equipped with sliding plate, scraer printing system assembly back and sliding
Plate is fixed, the scraer printing system assembly include storage of higher pressures tin box, scraper driving unit assembly, recycling driving device for cutter it is total
At, tin cream stirring device assembly, stirring box body, the storage of higher pressures tin box is connect with sliding plate, the storage of higher pressures tin box
Both sides are equipped with cylinder body bearing, and the scraper driving unit assembly includes scraper cylinder, scraper drive connection part and scraper body,
The recycling driving device for cutter assembly includes recycling knife cylinder, recycling knife drive connection part and recycling knife cutter hub, the scraper gas
Cylinder, recycling knife cylinder are separately positioned on the cylinder body bearing of storage of higher pressures tin box both sides, and the scraper cylinder is driven by scraper
Connector driving scraper body moves up and down, and the recycling knife cylinder is by recycling on knife drive connection part driving recycling knife cutter hub
Lower movement；The tin cream stirring device assembly, the setting of stirring box body are total in scraper driving unit assembly and recycling driving device for cutter
Between, the stirring box body top surface both sides are connect by bearing mounting with storage of higher pressures tin cassette bottom portion, the stirring box body bottom
Portion, which is equipped at leakage Xi Kou, the leakage Xi Kou, is equipped with the first solenoid electric valve, and stripe shape slide opening is equipped at the top of the stirring box body, described
Tin cream stirring device assembly includes driving motor and thread transmission, and the thread transmission includes drive screw and driven
Nut, the drive screw both ends are matched with the rolling bearing in bearing mounting, and the driving motor drives drive screw
Rotation, the driven nut are equipped with agitating plate, and the agitating plate passes through stripe shape slide opening to be arranged in stirring tray interior, driven spiral shell
Female reciprocating motion drives agitating plate to be moved back and forth in stirring tray interior along stripe shape slide opening；The storage of higher pressures tin box inner cavity
It is connected to by delivery pipe between stirring box cavity, the delivery pipe is equipped with the second electricity with storage of higher pressures tin box inner cavity connectivity part
Magnetic control valve.
The scraer printing system assembly further includes negative pressure recycling tin box, and the negative pressure recycling tin box is arranged in storage of higher pressures tin box
Top is equipped with cavity partition board between the negative pressure recycling tin box inner cavity and storage of higher pressures tin box inner cavity, is set on the cavity partition board
There is Electromagnetic Control to be connected to valve；The recycling knife cutter hub bottom is equipped with tin liquor suction inlet, the recycling knife close to scraper body side
Cutter hub top side is exported equipped with tin liquor, and the inner cavity that tin box is recycled in the tin liquor outlet by recovery tube with negative pressure is connected to, described
Tin liquor is exported is equipped with third solenoid electric valve with recovery tube junction.
First vertical slide opening there are two being set on cylinder body bearing where the scraper cylinder, the scraper drive connection part packet
Two the first vertical travellers and the first traveller fishplate bar are included, is connected by the first traveller fishplate bar at the top of two the first vertical travellers, two
A first vertical traveller is slidably connected with two the first vertical slide openings, the first traveller fishplate bar bottom center position and scraper gas
The telescopic rod of cylinder connects；Two the first vertical traveller bottoms, which are equipped with, tilts connection tablet, and the scraper body and inclination connection are flat
Board bottom portion is bolted；Second vertical slide opening there are two being set on cylinder body bearing where the recycling knife cylinder, described time
Drive connection part of returning sword includes two the second vertical travellers and the second traveller fishplate bar, passes through second at the top of two the second vertical travellers
Traveller fishplate bar connects, and two the second vertical travellers are slidably connected with two the second vertical slide openings, the second traveller fishplate bar bottom surface
Center is connect with the telescopic rod of recycling knife cylinder；Two the second vertical traveller bottoms are equipped with and connect tablet vertically, described time
Cutter hub of returning sword connect flat plate bottom and is bolted with vertical.
The stirring box body is equipped with positive stop strip close to scraper cylinder side, and the inclination connection flat plate top is equipped with and limit
The adaptable horizontal baffle in position.
Recycling knife cutter hub end, which is equipped with, tilts knife hook, and the inclination knife is hooked towards scraper body side.
The stirring box bottom is to tilt the conical surface.
The prior art is compared, the beneficial effects of the present invention are：
The present apparatus is equipped with storage of higher pressures tin box, tin cream stirring device assembly, stirring box body, and storage of higher pressures tin box can be to stirring
It mixes and conveys tin cream in box body, tin cream stirring device assembly carries out automatic stirring, tin cream stirring to the tin cream in stirring box body in turn
After control the first solenoid electric valve opening, tin cream after stirring escapes to the trepanning position of SMT printed steel mesh by leaking Xi Kou automatically
It is to be used to set top etc., leakage Xi Kou is bar shaped, and leakage tin mouth bar length and the length of PCB circuit board to be brushed are adapted, then are used
Scraper body is tiltedly scraped once, and tin cream is bitten on PCB circuit board pad, and tin cream can cover entire PCB circuit board, no
It will appear the generation for applying and leaking discontinuous leakage brush phenomenon, to ensure product quality, therefore the present apparatus has abandoned hand in traditional technology
Work stirs a series of deficiencies caused by tin cream, and product is improved by the way of automatic stirring tin cream, automatic release tin cream
Production efficiency.And the scraer printing system assembly of the present apparatus further includes negative pressure recycling tin box, and recycling knife cutter hub bottom is close to scraper knife
Body side is equipped with tin liquor suction inlet, and the inner cavity that tin box is recycled in tin liquor outlet by recovery tube with negative pressure is connected to, tin liquor outlet and recycling
Pipe junction is equipped with third solenoid electric valve, and extra tin cream removal process is as follows：Scraper cylinder passes through scraper drive connection part
Driving scraper body moves up, it is made not contacted with SMT printed steel mesh, and recycling knife cylinder is driven by recycling knife drive connection part
Dynamic recycling knife cutter hub moves down, and is contacted until with SMT printed steel mesh, and then (screw-nut is driven lateral position regulating mechanism
Mechanism) drive entire scraer printing system assembly (to scrape fortune when tin cream with scraper body to the direction movement where scraper body
Dynamic direction is opposite), the extra tin cream in motion process on SMT printed steel mesh, which can be scraped, to be received on recycling knife cutter hub, is returned in negative pressure
Under the suction function for receiving tin box, extra tin cream can be from the tin liquor suction inlet sucking on recycling knife cutter hub, then in turn through recycling
The inner cavity that knife cutter hub inner cavity, tin liquor outlet, recovery tube enter negative pressure recycling tin box when device leaves unused, leads to complete to recycle
Overregulating makes storage of higher pressures tin box, pushes back the air pressure balance received in tin box, opens Electromagnetic Control and is connected to valve, negative pressure recycles tin
The tin cream recycled in box, which is drained into again in storage of higher pressures tin box, to be used, can be by extra tin cream by the above method
It is recycled and reused.
Description of the drawings
Attached drawing 1 is concrete structure schematic diagram of the present invention.
Attached drawing 2 is scraer printing system assembly structure schematic diagram in the present invention.
Attached drawing 3 is that mesohigh of the present invention stores tin box, negative pressure recycling tin box, cylinder body bearing, scraper driving unit assembly, returns
Driving unit assembly position distribution of returning sword and connection type structural schematic diagram.
Attached drawing 4 is tin cream stirring device assembly in the present invention, stirring box body structure schematic diagram.
Label shown in attached drawing：
1, body；2, jig body；3, FR4 plates；4, SMT printed steel mesh；5, scraer printing system assembly；6, steel mesh handgrip；7、
Screw-nut transmission mechanism；8, sliding plate；9, storage of higher pressures tin box；10, box body is stirred；11, cylinder body bearing；12, scraper gas
Cylinder；13, scraper body；14, knife cylinder is recycled；15, knife cutter hub is recycled；16, bearing mounting；17, Xi Kou is leaked；18, the first electromagnetism
Control valve；19, stripe shape slide opening；20, driving motor；21, drive screw；22, driven nut；23, agitating plate；24, delivery pipe；
25, the second solenoid electric valve；26, negative pressure recycles tin box；27, tin liquor suction inlet；28, tin liquor exports；29, recovery tube；30, third electricity
Magnetic control valve；31, the first vertical slide opening；32, the first vertical traveller；33, the first traveller fishplate bar；34, connection tablet is tilted；35、
Second vertical slide opening；36, the second vertical traveller；37, the second traveller fishplate bar；38, tablet is connected vertically；39, positive stop strip；40, water
Flat baffle；41, knife is tilted to hook.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within range defined herein.
Of the present invention is a kind of SMT printing apparatus, and agent structure includes body 1, jig body 2, FR4 plates 3, PCB electricity
Road plate, SMT printed steel mesh 4 and scraer printing system assembly 5, the body 1 are equipped with steel mesh handgrip 6, lateral position regulating mechanism, institute
It is screw-nut transmission mechanism 7 to state lateral position regulating mechanism, and the screw of the screw-nut transmission mechanism 7 is equipped with sliding panel
Block 8,5 back of scraer printing system assembly are fixed with sliding plate 8, and jig body 2 is arranged on body 1 and keeps horizontal, FR4
Plate 3 is fixed in jig body 2, and PCB circuit board is arranged between FR4 plates 3 and SMT printed steel mesh 4, and steel mesh handgrip 6 is for solid
Determine SMT printed steel mesh 4, screw-nut transmission mechanism 7 can realize the reciprocating motion of scraer printing system assembly 5.
The scraer printing system assembly 5 is total including storage of higher pressures tin box 9, scraper driving unit assembly, recycling driving device for cutter
At, tin cream stirring device assembly, stirring box body 10, the storage of higher pressures tin box 9 is detachably fixed with sliding plate 8 by bolt
Connection, 9 both sides of storage of higher pressures tin box are equipped with cylinder body bearing 11, and the scraper driving unit assembly includes scraper cylinder
12, scraper drive connection part and scraper body 13, the recycling driving device for cutter assembly include recycling knife cylinder 14, recycling knife drive
Follower link and recycling knife cutter hub 15, the scraper cylinder 12, recycling knife cylinder 14 are separately positioned on 9 both sides of storage of higher pressures tin box
Cylinder body bearing 11 on, the scraper cylinder 12 by scraper drive connection part drive scraper body 13 move up and down, described time
Cylinder 14 of returning sword is moved up and down by recycling knife drive connection part driving recycling knife cutter hub 15.When scraping tin cream, scraper cylinder 12
It drives scraper body 13 to move down by scraper drive connection part, it is made to be contacted with SMT printed steel mesh 4, recycling knife cylinder 14
It is moved up by recycling knife drive connection part driving recycling knife cutter hub 15, it is made to be contacted with SMT printed steel mesh 4.Extra tin
When cream removal process：Scraper cylinder 12 drives scraper body 13 to move up by scraper drive connection part, it is made not printed with SMT
Brush steel mesh 4 contacts, and recycling knife cylinder 14 is moved down by recycling knife drive connection part driving recycling knife cutter hub 15, Zhi Daoyu
SMT printed steel mesh 4 contacts.
The tin cream stirring device assembly, the setting of stirring box body 10 are in scraper driving unit assembly and recycling driving device for cutter
Between assembly, the 10 top surface both sides of stirring box body are connect by bearing mounting 16 with 9 bottom of storage of higher pressures tin box, the stirring
10 bottom of box body is equipped with leakage tin mouth 17, and the first solenoid electric valve 18, the control of the first solenoid electric valve 18 are equipped at the leakage tin mouth 17
System leakage tin mouth 17 being opened and closing.
10 top of the stirring box body is equipped with stripe shape slide opening 19, and the tin cream stirring device assembly includes 20 He of driving motor
Thread transmission, the thread transmission include drive screw 21 and driven nut 22, and 21 both ends of the drive screw are equal
It is matched with the rolling bearing in bearing mounting 16, the driving motor 20 drives drive screw 21 to rotate, 21 turns of drive screw
It is dynamic to drive moving horizontally for driven nut 22.The driven nut 22 is equipped with agitating plate 23, and the agitating plate 23 passes through stripe shape
For the setting of slide opening 19 inside stirring box body 10, the reciprocating motion of driven nut 22 drives agitating plate 23 being stirred along stripe shape slide opening 19
10 inside of box body is mixed to move back and forth.Rotation direction by controlling driving motor 20 controls driven nut 22, the fortune of agitating plate 23
Dynamic direction.
It is connected to by delivery pipe 24 between 9 inner cavity of storage of higher pressures tin box and 10 inner cavity of stirring box body, the delivery pipe
24 are equipped with the second solenoid electric valve 25 with 9 inner cavity connectivity part of storage of higher pressures tin box.Second solenoid electric valve 25 controls delivery pipe 24
With the connection between 10 inner cavity of stirring box body.
The scraer printing system assembly 5 further includes negative pressure recycling tin box 26, and the negative pressure recycling tin box 26 is arranged to be stored up in high pressure
9 top of tin box is deposited, cavity partition board, the chamber are equipped between 26 inner cavity of negative pressure recycling tin box and 9 inner cavity of storage of higher pressures tin box
Body partition board is equipped with Electromagnetic Control and is connected to valve；When device leaves unused, storage of higher pressures tin box 9 is made by adjusting, pushes back and receives in tin box
Interior air pressure balance opens Electromagnetic Control and is connected to valve, and the tin cream recycled in negative pressure recycling tin box 26 is drained into high pressure storage again
It deposits and is used in tin box 9, by the above method, extra tin cream can be recycled and reused.
15 bottom of recycling knife cutter hub is equipped with tin liquor suction inlet 27, the recycling knife cutter hub 15 close to 13 side of scraper body
Top side is equipped with tin liquor and exports 28, and the inner cavity that tin box 26 is recycled in the tin liquor outlet 28 by recovery tube 29 with negative pressure is connected to,
The tin liquor outlet 28 is equipped with third solenoid electric valve 30 with 29 junction of recovery tube.Extra tin cream on SMT printed steel mesh 4
It can scrape and receive on recycling knife cutter hub 15, under the suction function of negative pressure recycling tin box 26, extra tin cream can be from recycling knife cutter hub
Tin liquor suction inlet 27 on 15 sucks, and is entered then in turn through 15 inner cavity of recycling knife cutter hub, tin liquor outlet 28, recovery tube 29 negative
The inner cavity for receiving tin box 26 is pushed back to complete to recycle.Third solenoid electric valve 30 controls between tin liquor outlet 28 and recovery tube 29
Connection and closing.
It is set on cylinder body bearing 11 where the scraper cylinder 12 there are two the first vertical slide opening 31, the scraper driving connects
Fitting includes two the first vertical travellers 32 and the first traveller fishplate bar 33, and two 32 tops of the first vertical traveller pass through the first traveller
Fishplate bar 33 connects, and two the first vertical travellers 32 are slidably connected with two the first vertical slide openings 31, the first traveller fishplate bar 33
Bottom center position is connect with the telescopic rod of scraper cylinder 12, and two 32 bottoms of the first vertical traveller, which are equipped with, tilts connection tablet
34, the scraper body 13 is bolted with 34 bottom of connection tablet is tilted；The flexible fortune of the telescopic rod of scraper cylinder 12
Telescopic slide of the first vertical traveller 32 in the first vertical slide opening 31 can be driven by moving, and the first vertical slide opening 31 is vertical holes, energy
The vertical shift for enough ensureing the first vertical traveller 32, tilting connection tablet 34, scraper body 13.
It is set on cylinder body bearing 11 where the recycling knife cylinder 14 there are two the second vertical slide opening 35, the recycling knife drives
Follower link includes two the second vertical travellers 36 and the second traveller fishplate bar 37, and two 36 tops of the second vertical traveller pass through second
Traveller fishplate bar 37 connects, and two the second vertical travellers 36 are slidably connected with two the second vertical slide openings 35, and second traveller connects
37 bottom center position of plate is connect with the telescopic rod of recycling knife cylinder 14；Two 36 bottoms of the second vertical traveller are equipped with vertical connection
Tablet 38, the recycling knife cutter hub 15 connect 38 bottom of tablet and are bolted with vertical.Recycle the telescopic rod of knife cylinder 14
Stretching motion can drive telescopic slide of the second vertical traveller 36 in the second vertical slide opening 35, the second vertical slide opening 35 is perpendicular
Straight hole can ensure the vertical shift of the second vertical traveller 36, vertical connection tablet 38, recycling knife cutter hub 15.
The stirring box body 10 is equipped with positive stop strip 39 close to 12 side of scraper cylinder, and 34 top of inclination connection tablet is set
There is the horizontal baffle 40 being adapted with 39 position of positive stop strip.When inclination connection tablet 34, scraper body 13 move down, level gear
When plate 40 is contacted with positive stop strip 39, scraper body 13 just contacts SMT printed steel mesh 4, and scraper body 13 is avoided excessively to move down two
Damage SMT printed steel mesh 4.
15 end of recycling knife cutter hub, which is equipped with, tilts knife hook 41, and the inclination knife hooks 41 towards 13 side of scraper body.
Tilting the setting of knife hook 41 can be such that the accumulation at inclination knife hook 41 of extra tin cream stops, convenient for the recycling of extra tin cream.
10 bottom surface of stirring box body is to tilt the conical surface.It is set as tilting the conical surface by the way that 10 bottom surface of box body will be stirred, it can
It is flowed out from leakage tin mouth 17 convenient for the tin cream in stirring box body 10.
Application method：
When scraping tin cream, scraper cylinder 12 by scraper drive connection part drive scraper body 13 move down, make its with
SMT printed steel mesh 4 contacts, and recycling knife cylinder 14 is moved up by recycling knife drive connection part driving recycling knife cutter hub 15, is made
It is contacted with SMT printed steel mesh 4.Storage of higher pressures tin box 9 conveys tin cream, the driving transmission spiral shell of driving motor 20 into stirring box body 10
Bar 21 rotates, and the rotation of drive screw 21 drives moving horizontally for driven nut 22, the reciprocating motion of driven nut 22 to drive stirring
Plate 23 is moved back and forth along stripe shape slide opening 19 inside stirring box body 10, and by the method, tin cream stirring device assembly is to stirring
Tin cream in box body 10 carries out automatic stirring, and the first solenoid electric valve 18 opening is controlled after tin cream stirring, and the tin cream after stirring is logical
It crosses leakage tin mouth 17 and escapes to automatically above the position of opening of SMT printed steel mesh 4 etc. to be used, leakage tin mouth 17 is bar shaped, leaks Xi Kou
The length of 17 bar lengths and PCB circuit board to be brushed is adapted.Screw-nut transmission mechanism 7 can realize scraer printing system assembly
5 reciprocating motion, leading screw, which rotates forward, drives scraper body 13 tiltedly to scrape once, and tin cream is bitten on PCB circuit board pad, and tin
Cream can cover entire PCB circuit board, be not in apply the generation for leaking discontinuous leakage brush phenomenon, to ensure product quality, because
This present apparatus has been abandoned stirs a series of deficiencies caused by tin cream by hand in traditional technology, using automatic stirring tin cream, automatically
The mode for discharging tin cream improves the production efficiency of product.
When extra tin cream removal process：Scraper cylinder 12 drives scraper body 13 to moving up by scraper drive connection part
It is dynamic, so that it is not contacted with SMT printed steel mesh 4, recycling knife cylinder 14 is by recycling knife drive connection part driving recycling knife cutter hub 15
It moves down, is contacted until with SMT printed steel mesh 4.Lateral position regulating mechanism (screw-nut transmission mechanism 7) driving is entirely scraped
Direction movement where from print assembly of devices 5 to scraper body 13 (scrapes direction of motion phase when tin cream with scraper body 13
Instead), the extra tin cream in motion process on SMT printed steel mesh 4, which can be scraped, receives on recycling knife cutter hub 15, and tin box is recycled in negative pressure
Under 26 suction function, extra tin cream can be sucked from the tin liquor suction inlet 27 on recycling knife cutter hub 15, then in turn through recycling
15 inner cavity of knife cutter hub, tin liquor outlet 28, recovery tube 29 enter the inner cavity of negative pressure recycling tin box 26 to complete to recycle.
When replacing next PCB circuit board, within the time period, the conveying into stirring box body 10 of storage of higher pressures tin box 9 is fixed
The tin cream of amount, and tin cream stirring device assembly completes the stirring to tin cream, after the completion of next PCB circuit board is replaced, control
First solenoid electric valve 18 is opened, and the tin cream after stirring escapes to the position of opening of SMT printed steel mesh 4 by leaking tin mouth 17 automatically
Top etc. is to be used, carry out next PCB circuit board scrape and the recycling of extra tin cream.Be greatly saved stirring tin cream,
Tin cream is coated onto the time of SMT printed steel mesh 4, and automatic stirring tin cream, discharges tin cream automatically, greatly improves the production effect of product
Rate.
When device leaves unused, storage of higher pressures tin box 9 is made by adjusting, pushes back the air pressure balance received in tin box, opens electromagnetism
Control connection valve, the 26 interior tin cream recycled of negative pressure recycling tin box, which is drained into again in storage of higher pressures tin box 9, to be used, and is passed through
The above method can recycle and reuse extra tin cream.
Claims (6)
1. a kind of SMT printing apparatus, including body (1), jig body (2), FR4 plates (3), PCB circuit board, SMT printed steel mesh
(4) and scraer printing system assembly (5), the body (1) are equipped with steel mesh handgrip (6), lateral position regulating mechanism, the transverse direction position
It is screw-nut transmission mechanism (7) to set regulating mechanism, and the screw of the screw-nut transmission mechanism (7) is equipped with sliding plate
(8), scraer printing system assembly (5) back and sliding plate (8) are fixed, it is characterised in that：Scraer printing system assembly (5) packet
Include storage of higher pressures tin box (9), scraper driving unit assembly, recycling driving device for cutter assembly, tin cream stirring device assembly, stirring box
Body (10), the storage of higher pressures tin box (9) connect with sliding plate (8), and storage of higher pressures tin box (9) both sides are equipped with cylinder body
Bearing (11), the scraper driving unit assembly include scraper cylinder (12), scraper drive connection part and scraper body (13), institute
Recycling driving device for cutter assembly is stated to include recycling knife cylinder (14), recycling knife drive connection part and recycle knife cutter hub (15), it is described
Scraper cylinder (12), recycling knife cylinder (14) are separately positioned on the cylinder body bearing (11) of storage of higher pressures tin box (9) both sides, described
Scraper cylinder (12) drives scraper body (13) to move up and down by scraper drive connection part, and the recycling knife cylinder (14) passes through
Recycling knife drive connection part driving recycling knife cutter hub (15) moves up and down；The tin cream stirring device assembly, stirring box body (10)
Between scraper driving unit assembly and recycling driving device for cutter assembly, stirring box body (10) the top surface both sides pass through axis for setting
Bearing frame (16) is connect with storage of higher pressures tin box (9) bottom, and stirring box body (10) bottom is equipped with leakage Xi Kou (17), the leakage
It is equipped with the first solenoid electric valve (18) at Xi Kou (17), stripe shape slide opening (19), the tin are equipped at the top of the stirring box body (10)
Cream stirring device assembly includes driving motor (20) and thread transmission, and the thread transmission includes drive screw (21)
With driven nut (22), drive screw (21) both ends are matched with the rolling bearing in bearing mounting (16), the drive
Dynamic motor (20) driving drive screw (21) rotates, and the driven nut (22) is equipped with agitating plate (23), the agitating plate
(23) pass through stripe shape slide opening (19) setting internal in stirring box body (10), the reciprocating motion of driven nut (22) drives agitating plate
(23) it is moved back and forth inside stirring box body (10) along stripe shape slide opening (19)；The storage of higher pressures tin box (9) inner cavity and stirring
It is connected to by delivery pipe (24) between box body (10) inner cavity, the delivery pipe (24) and storage of higher pressures tin box (9) inner cavity connectivity part
Equipped with the second solenoid electric valve (25).
2. a kind of SMT printing apparatus according to claim 1, it is characterised in that：The scraer printing system assembly (5) further includes bearing
It pushes back and receives tin box (26), the negative pressure recycling tin box (26) is arranged at the top of storage of higher pressures tin box (9), and the negative pressure recycles tin box
(26) cavity partition board is equipped between inner cavity and storage of higher pressures tin box (9) inner cavity, the cavity partition board is connected to equipped with Electromagnetic Control
Valve；The recycling knife cutter hub (15) bottom is equipped with tin liquor suction inlet (27), the recycling knife knife close to scraper body (13) side
Body (15) top side is equipped with tin liquor and exports (28), and the tin liquor outlet (28) recycles tin box by recovery tube (29) and negative pressure
(26) inner cavity connection, the tin liquor outlet (28) are equipped with third solenoid electric valve (30) with recovery tube (29) junction.
3. a kind of SMT printing apparatus according to claim 1, it is characterised in that：Cylinder body where the scraper cylinder (12)
It is set on bearing (11) there are two the first vertical slide opening (31), the scraper drive connection part includes two the first vertical travellers (32)
With the first traveller fishplate bar (33), two the first vertical travellers (32) tops are connected by the first traveller fishplate bar (33), two first
Vertical traveller (32) is slidably connected with two the first vertical slide openings (31), the first traveller fishplate bar (33) bottom center position and
The telescopic rod of scraper cylinder (12) connects, and two the first vertical traveller (32) bottoms, which are equipped with, tilts connection tablet (34), described to scrape
Knife cutter hub (13) is bolted with connection tablet (34) bottom is tilted；Cylinder body bearing where the recycling knife cylinder (14)
(11) set on there are two the second vertical slide opening (35), the recycling knife drive connection part including two the second vertical travellers (36) and
Second traveller fishplate bar (37), two the second vertical travellers (36) tops are connected by the second traveller fishplate bar (37), and two second perpendicular
Be slidably connected to traveller (36) and two the second vertical slide openings (35), the second traveller fishplate bar (37) bottom center position with return
It returns sword the telescopic rod connection of cylinder (14), two the second vertical traveller (36) bottoms are equipped with vertical connection tablet (38), described time
Cutter hub (15) of returning sword connect tablet (38) bottom and is bolted with vertical.
4. a kind of SMT printing apparatus according to claim 3, it is characterised in that：The stirring box body (10) is close to scraper gas
Cylinder (12) side is equipped with positive stop strip (39), it is described tilt to be equipped at the top of connection tablet (34) be adapted with positive stop strip (39) position
Horizontal baffle (40).
5. a kind of SMT printing apparatus according to claim 1, it is characterised in that：Recycling knife cutter hub (15) end is equipped with
It tilts knife and hooks (41), the inclination knife hooks (41) towards scraper body (13) side.
6. a kind of SMT printing apparatus according to claim 1, it is characterised in that：Stirring box body (10) bottom surface is to tilt
The conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338266.5A CN108601240B (en) | 2018-04-16 | 2018-04-16 | SMT printing jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338266.5A CN108601240B (en) | 2018-04-16 | 2018-04-16 | SMT printing jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108601240A true CN108601240A (en) | 2018-09-28 |
| CN108601240B CN108601240B (en) | 2021-01-05 |
Family
ID=63622652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810338266.5A Expired - Fee Related CN108601240B (en) | 2018-04-16 | 2018-04-16 | SMT printing jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108601240B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111451075A (en) * | 2020-04-25 | 2020-07-28 | 温州金裕植绒鞋材有限公司 | Flocking is with automatic mucilage binding that beats |
| CN113878196A (en) * | 2021-11-03 | 2022-01-04 | 深圳市思创新精密科技有限公司 | Device is paintd to SMT laser template surface tin cream |
| CN114227050A (en) * | 2022-01-13 | 2022-03-25 | 北京金雨科创自动化技术股份有限公司 | Frequency converter IGBT production processing system |
| CN116419498A (en) * | 2023-06-07 | 2023-07-11 | 方泰(广东)科技有限公司 | Manufacturing device and manufacturing process for circuit board production |
| CN117998767A (en) * | 2024-04-07 | 2024-05-07 | 长春九天电子科技有限公司 | Encoder power strip production facility |
| CN117998767B (en) * | 2024-04-07 | 2024-06-04 | 长春九天电子科技有限公司 | Encoder power strip production facility |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111451075A (en) * | 2020-04-25 | 2020-07-28 | 温州金裕植绒鞋材有限公司 | Flocking is with automatic mucilage binding that beats |
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| CN113878196A (en) * | 2021-11-03 | 2022-01-04 | 深圳市思创新精密科技有限公司 | Device is paintd to SMT laser template surface tin cream |
| CN113878196B (en) * | 2021-11-03 | 2023-03-14 | 深圳市思创新精密科技有限公司 | Device is paintd to SMT laser template surface tin cream |
| CN114227050A (en) * | 2022-01-13 | 2022-03-25 | 北京金雨科创自动化技术股份有限公司 | Frequency converter IGBT production processing system |
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| CN116419498A (en) * | 2023-06-07 | 2023-07-11 | 方泰(广东)科技有限公司 | Manufacturing device and manufacturing process for circuit board production |
| CN116419498B (en) * | 2023-06-07 | 2023-08-08 | 方泰(广东)科技有限公司 | Manufacturing device and manufacturing process for circuit board production |
| CN117998767A (en) * | 2024-04-07 | 2024-05-07 | 长春九天电子科技有限公司 | Encoder power strip production facility |
| CN117998767B (en) * | 2024-04-07 | 2024-06-04 | 长春九天电子科技有限公司 | Encoder power strip production facility |
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|---|---|
| CN108601240B (en) | 2021-01-05 |
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