CN108770237B - A kind of pcb board is silver paste hole filled to use printing machine - Google Patents
A kind of pcb board is silver paste hole filled to use printing machine Download PDFInfo
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- CN108770237B CN108770237B CN201810509067.6A CN201810509067A CN108770237B CN 108770237 B CN108770237 B CN 108770237B CN 201810509067 A CN201810509067 A CN 201810509067A CN 108770237 B CN108770237 B CN 108770237B
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- relay
- backing plate
- normally opened
- workbench
- silver paste
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Screen Printers (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to a kind of circuit board printing technologies, more specifically, it is related to a kind of silver paste hole filled printing machine of pcb board, its key points of the technical solution are that: including workbench, the elevator platform being set on workbench, the halftone being installed on elevator platform and the controller for controlling elevator platform lifting, the workbench below halftone is provided with the backing plate for placing circuit board, the workbench is provided with the cleaning brush for cleaning backing plate, the workbench is provided with driving cleaning brush and moves back and forth clean driving device along pad surfaces, the driving device and controller are electrically connected, for controlling driving device work, the elevator platform and driving device asynchronous working.A kind of silver paste hole filled printing machine of pcb board of the invention has the advantages that reduce the case where backing plate pollutes.
Description
Technical field
The present invention relates to a kind of circuit board printing technologies, more specifically, it relates to a kind of silver paste hole filled use of pcb board
Printing machine.
Background technique
Silver paste hole filled printing is to make a kind of new technology of dual platen.The method that it uses physics, penetrates through two-sided conduction
Connection.Its manufacturing technology is biting by screen mesh printing plate using silver electrocondution slurry, is penetrated into prefabricated hole, so
Silver paste is penetrated into the perforation of circuit board using capillary theory afterwards, silver conductive ink is filled in the perforation made, and
Form interconnection.
The silver paste hole filled printing that industry generallys use at present is to be consolidated backing plate by halftone, scraper, the backing plate in printing machine
Due to, for placing circuit board, scraper is mobile on halftone, and ink is injected to electricity from halftone by printing pressure on printing machine platform
In the perforation of road plate.
When carrying out silver paste hole filled to circuit board by printing machine, it is understood that there may be extra slurry is flowed into from circuit board perforation
On to backing plate or other sundries fall into backing plate, and backing plate is caused to pollute, to influence circuit board printing quality.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of pcb board silver paste hole filled printing machine,
Have the advantages that reduce the case where backing plate pollutes.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of silver paste hole filled use of pcb board
Printing machine, including workbench, the elevator platform being set on workbench, the halftone being installed on elevator platform and for controlling
The controller of elevator platform lifting, the workbench below halftone is provided with the backing plate for placing circuit board, described
Workbench is provided with the cleaning brush for cleaning backing plate, and the workbench is provided with driving cleaning brush and moves back and forth along pad surfaces
Clean driving device, the driving device and controller are electrically connected, for controlling driving device work, the elevator platform
With driving device asynchronous working.
By using above-mentioned technical proposal, controller control elevator platform is moved up and down, to the circuit being placed on backing plate
Plate is printed, and after printing, controller control driving device driving cleaning brush cleans pad surfaces, avoids circuit board
Slurry on perforation drops on backing plate or other sundries are fallen on backing plate, influences circuit board printing quality, it is possible to reduce pad
The case where plate pollutes.
The present invention is further arranged to: being offered location hole at each angle of backing plate, is provided with and determines on the workbench
The mating positioning column in position hole.
By using above-mentioned technical proposal, the location hole on backing plate is installed on the workbench by positioning column, facilitates backing plate
Dismounting cleaning.
The present invention is further arranged to: the backing plate offers several gas vents corresponding with the perforation of circuit board, if
The gas vent is done through backing plate.
By using above-mentioned technical proposal, several gas vents corresponding with circuit board perforation are opened up on backing plate, in electricity
During the plate perforation of road, gas is discharged by gas vent, circuit board perforation side wall is avoided to generate bubble.
The present invention is further arranged to: the backing plate back side offers grid-shaped air discharge duct, the air discharge duct in length and breadth
Extend backing plate edge, the backing plate back side at gas vent offers the connectivity slot being connected with air discharge duct.
By using above-mentioned technical proposal, the gas on gas vent drains into air discharge duct from the connectivity slot at the backing plate back side, leads to
It crosses air discharge duct and gas is quickly discharged.
The present invention is further arranged to: the backing plate is square plate, and the workbench positioned at backing plate two sides is provided with
For the first limited block of two side position of locating circuit board, the backing plate side is provided with for the locating circuit board other side
Two limited blocks.
By using above-mentioned technical proposal, by be arranged on two the first limited blocks and backing plate that are arranged on workbench
Two limited blocks keep the perforation on the circuit board being placed on backing plate and the gas vent on backing plate accurately corresponding.
The present invention is further arranged to: the cleaning brush includes soft brush body and the brush holder support for installing soft brush body, institute
Stating driving device includes screw rod, the slipping block connecting with wire rod thread, the motor of driving screw rod rotation and control motor driven
The control circuit of screw rod positive and negative rotation, the workbench offer installation cavity, and the screw rod is rotationally connected with installation cavity, the work
Platform offers the slippage slot communicated with installation cavity, and the slipping block slides be connected to slippage slot vertically, described brush holder support one end and cunning
Block connection is moved, and the screw rod is vertically arranged with brush holder support.
By using above-mentioned technical proposal, the rotation of motor driven screw rod is controlled by control circuit, makes slipping block along cunning
It is mobile to move slot, and then cleans the cleaning brush being connected on slipping block to backing plate.
The present invention is further arranged to: the control circuit includes switching circuit and main circuit；
The switching circuit includes the first normally opened travel switch ST1, the second normally opened travel switch ST2, triode Q, first
Relay KM1, the second relay KM2, third relay KM3, the first normally opened contact switch KM1-1 of the first relay, second
First normally opened contact switch KM2-1 of relay, the first normally-closed contact switch KM3-1 of third relay and third relay
The second normally-closed contact switch KM3-2, the base stage of the controller and triode Q is electrically connected, the collector of the triode Q
It is electrically connected with the power supply, the emitter of the triode Q is grounded after connecting with the first relay KM1, first relay
First normally opened contact switch KM1-1 is in parallel with triode Q after connecting with the first normally-closed contact switch KM3-1 of third relay；
The one end the first normally opened travel switch ST1 is electrically connected with the power supply, and the other end is grounded after connecting with the second relay KM2, institute
After the first normally opened contact switch KM2-1 for stating the second relay connects with the second normally-closed contact switch KM3-2 of third relay
It is in parallel with the first normally opened travel switch ST1；The one end the second normally opened travel switch ST2 is electrically connected with the power supply, the other end with
It is grounded after third relay KM3 series connection, the first normally opened normally opened travel switch ST2 of travel switch ST1 and second is respectively set
In the both ends of slippage slot；
The main circuit includes the positive input circuit for rotating forward motor and the reversed input circuit for making motor reversal；
Positive input circuit includes the second normally opened contact switch of two the first relays for being series at motor both ends respectively
The 4th normally-closed contact switch KM2-4 and the 5th normally-closed contact of KM1-2 and third normally opened contact switch KM1-3, the second relay
Switch KM2-5；
Reversed input circuit includes the second normally opened contact switch of two the second relays for being series at motor both ends respectively
KM2-2 and third normally opened contact switch KM2-3.
By using above-mentioned technical proposal, controller, which issues control signal, is connected triode Q, and then makes the first relay
KM1 obtains electric, is closed the first normally opened contact switch KM1-1 of the first relay being connected in parallel on triode Q, realize circuit from
Lock, while making the normally opened touching of third of the second normally opened contact switch KM1-2 and the first relay of the first relay on main circuit
Point switch KM1-3 closure, is connected motor forward direction input circuit, and motor rotates forward, and driving cleaning brush cleans backing plate；
The first normally opened travel switch ST1 is contradicted when slipping block is moved along slippage slot, closes the first normally opened travel switch ST1
It closes, the second relay KM2 obtains electric, opens the first normally opened contact of second relay in parallel with the first normally opened travel switch ST1
KM2-1 closure is closed, realizes the circuit for having the first normally opened travel switch ST1 self-locking, while making the second relay on main circuit
The 4th normally-closed contact switch KM2-4 and the 5th normally-closed contact switch KM2-5 disconnect, make the second normally opened contact of the second relay
Switch KM2-2 and third normally opened contact switch KM2-3 closure, and then motor forward direction input circuit is disconnected, motor reversely inputs
Circuit conducting, motor reversal, cleaning brush is back mobile to clean backing plate；
When slipping block conflict is closed the second normally opened travel switch, third relay KM3 obtains electric, makes to be connected in parallel on triode
First normally-closed contact switch KM3-1 of the third relay on Q is disconnected, the third relay being connected in parallel on the first normally opened travel switch
Second normally-closed contact switch KM3-2 of device is disconnected, and then powers off the first relay KM1 and the second relay KM2, and motor stops
Work, cleaning brush return to initial position, are automatically performed the reciprocal cleaning to backing plate.
The present invention is further arranged to: the cleaning brush is disposed in proximity to the workbench of the second limited block, the slipping block
Including being threadedly connected to the first slipping block of screw rod and being vertically actively plugged in the second slipping block of the first slipping block, the brush holder support
It is set to the second slipping block, two first limited blocks are provided with inclined-plane towards brush holder support end, when the cleaning brush does not work
Height is consistent with the height of the first limited block.
By using above-mentioned technical proposal, slipping block is arranged to the first slipping block and the second slipping block mutually to stretch, makes
Cleaning brush can move down in the case where cleaning gravity when not having cleaning, make the height one of cleaning brush and the first limited block
It causes, avoids the halftone influenced on elevator platform from moving down printed circuit board, when cleaning backing plate, brush holder support is oblique along the first limited block
Face, which rises, cleans backing plate.
In conclusion the invention has the following advantages:
First, controller control elevator platform moves up and down, the circuit board being placed on backing plate is printed, is printed
Afterwards, controller control driving device driving cleaning brush cleans pad surfaces, and the slurry on circuit board perforation is avoided to fall into
On to backing plate or other sundries are fallen on backing plate, influence circuit board printing quality, it is possible to reduce the case where backing plate pollutes；
Second, several gas vents corresponding with circuit board perforation are opened up on backing plate, it, will during circuit board perforation
Gas is discharged by gas vent, and circuit board perforation side wall is avoided to generate bubble.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the mounting structure schematic diagram of workbench upper padding plate and driving device in the present embodiment；
Fig. 3 is the structural schematic diagram at the backing plate back side in the present embodiment；
Fig. 4 is the circuit diagram of control circuit in the present embodiment；
Fig. 5 is the structural schematic diagram of elevator platform in the present embodiment.
In figure: 1, workbench；11, the first limited block；111, inclined-plane；12, positioning column；13, screw rod；14, slipping block；141,
First slipping block；142, the second slipping block；15, motor；16, control circuit；161, switching circuit；162, main circuit；17, it installs
Chamber；18, slippage slot；2, controller；3, backing plate；31, the second limited block；32, location hole；33, gas vent；34, air discharge duct；35,
Connectivity slot；4, cleaning brush；41, soft brush body；42, brush holder support；5, elevating lever；6, mounting blocks；61, stroke groove；62, screw rod is driven；
63, driving motor；64, connecting plate；65, fixed plate；651, placing groove；66, standing screw；67, link block；7, transverse shifting
Block；8, scraper plate；9, scraper plate cylinder；10, screen frame；101, silk screen.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
A kind of pcb board is silver paste hole filled to use printing machine, as depicted in figs. 1 and 2, including workbench 1, is set on workbench 1
Elevator platform, the halftone that is installed on elevator platform and controller 2(combination Fig. 4 for controlling elevator platform lifting),
Workbench 1 below halftone is provided with the backing plate 3 for placing circuit board, and workbench 1 is provided with for cleaning backing plate 3
Cleaning brush 4, workbench 1 are provided with driving cleaning brush 4 and move back and forth clean driving device along 3 surface of backing plate, driving device with
Controller 2 is electrically connected, for controlling driving device work, elevator platform and driving device asynchronous working.It is clear by cleaning brush 4
Clean backing plate 3 reduces the case where backing plate 3 pollutes.
As shown in Figures 2 and 3, location hole 32 is offered at each angle of backing plate 3, is provided on workbench 1 and is inserted with location hole 32
The positioning column 12 of cooperation is connect, the height of positioning column 12 is flushed with 3 height of backing plate.Location hole 32 on backing plate 3 passes through positioning column 12
It is mounted on workbench 1, the dismounting of backing plate 3 is facilitated to clean.Backing plate 3 offers several exhausts corresponding with the perforation of circuit board
Hole 33, several gas vents 33 run through backing plate 3, during circuit board perforation, gas are discharged by gas vent 33, avoids circuit
Plate perforation side wall generates bubble.3 back side of backing plate offers grid-shaped air discharge duct 34 in length and breadth, and air discharge duct 34 extends backing plate 3
Edge, 3 back side of backing plate at gas vent 33 offer the connectivity slot 35 being connected with air discharge duct 34, the gas on gas vent 33
Body drains into air discharge duct 34 from the connectivity slot 35 at 3 back side of backing plate, and gas is quickly discharged by air discharge duct 34.
As shown in Fig. 2, backing plate 3 is square plate, the workbench 1 positioned at 3 two sides of backing plate is provided with for locating circuit board
First limited block 11 of two side positions, 3 side of backing plate are provided with the second limited block 31 for the locating circuit board other side.Pass through
The second limited block 31 being arranged on two the first limited blocks 11 and backing plate 3 being arranged on workbench 1, makes to be placed on backing plate 3
Perforation on circuit board is accurate corresponding with the gas vent 33 on backing plate 3.
As shown in Figure 2 and Figure 4, cleaning brush 4 includes soft brush body 41 and the brush holder support 42 for installing soft brush body 41, this reality
Applying the soft cleaning brush 4 in example is cavernous body, and driving device includes screw rod 13, the slipping block being threadedly coupled with screw rod 13 14, drives
Motor 15 and control motor 15 that dynamic screw rod 13 rotates drive the control circuit 16 of 13 positive and negative rotation of screw rod, are located at the first limited block
The workbench 1 of 11 sides offers installation cavity 17 along 11 length direction of the first limited block, and screw rod 13 is rotationally connected with installation cavity 17,
Workbench 1 offers the slippage slot 18 communicated with installation cavity 17 along 11 length direction of the first limited block, and slipping block 14 slides vertically
It is connected to slippage slot 18,42 one end of brush holder support is connect with slipping block 14, and screw rod 13 is vertically arranged with brush holder support 42.Pass through control circuit
16 control motors 15 drive screw rod 13 to rotate, and move slipping block 14 along slippage slot 18, and then make to be connected on slipping block 14
Cleaning brush 4 backing plate 3 is cleaned.
As shown in Fig. 2, cleaning brush 4 is disposed in proximity to the workbench 1 of the second limited block 31, slipping block 14 includes being threadedly coupled
In screw rod 13 the first slipping block 141 and be vertically actively plugged in the second slipping block 142 of the first slipping block 141, brush holder support 42 is set
It is placed in the second slipping block 142, two the first limited blocks 11 are provided with inclined-plane 111 towards 42 end of brush holder support, when cleaning brush 4 does not work
Height is consistent with the height of the first limited block 11.Slipping block 14 is arranged to the first slipping block 141 and the second sliding mutually to stretch
Block 142 makes cleaning brush 4 when not having cleaning, can move down in the case where cleaning gravity, limits cleaning brush 4 and first
The height of block 11 is consistent, and the halftone influenced on elevator platform is avoided to move down printed circuit board, when cleaning backing plate 3,42 edge of brush holder support
The first limited block 11 inclined-plane 111 rising backing plate 3 is cleaned.
As shown in figure 4, control circuit 16 includes switching circuit 161 and main circuit 162；Switching circuit 161 includes first normal
Open travel switch ST1, the second normally opened travel switch ST2, triode Q, the first relay KM1, the second relay KM2, third after
Electric appliance KM3, the first normally opened contact switch KM1-1 of the first relay, the second relay the first normally opened contact switch KM2-1,
First normally-closed contact switch KM3-1 of third relay and the second normally-closed contact switch KM3-2 of third relay, controller
The base stage of 2 and triode Q is electrically connected, and the collector of triode Q is electrically connected with the power supply, the emitter of triode Q and first
It is grounded after relay KM1 series connection, the first normally closed touching of the first normally opened contact switch KM1-1 and third relay of the first relay
It is in parallel with triode Q after point switch KM3-1 series connection；First one end normally opened travel switch ST1 is electrically connected with the power supply, the other end with
It is grounded after second relay KM2 series connection, the second of the first normally opened contact switch KM2-1 of the second relay and third relay is often
It is in parallel with the first normally opened travel switch ST1 after closed contact switch KM3-2 series connection；Second one end normally opened travel switch ST2 and power supply
It is electrically connected, the other end is grounded after connecting with third relay KM3, and the first normally opened normally opened stroke of travel switch ST1 and second is opened
Close the both ends that ST2 is respectively arranged at slippage slot 18；
Main circuit 162 includes the positive input circuit for rotating forward motor 15 and the reversed input circuit for making the reversion of motor 15；
Positive input circuit includes the second normally opened contact switch KM1-2 and of two the first relays for being series at 15 both ends of motor respectively
The 4th normally-closed contact switch KM2-4 and the 5th normally-closed contact switch KM2-5 of three normally opened contact switch KM1-3, the second relay；
Reversed input circuit includes the second normally opened contact switch KM2-2 and the of two the second relays for being series at 15 both ends of motor respectively
Three normally opened contact switch KM2-3.
Controller 2, which issues control signal, is connected triode Q, and then it is electric to obtain the first relay KM1, makes to be connected in parallel on three poles
First normally opened contact switch KM1-1 of the first relay on pipe Q is closed, and realizes the self-locking of circuit, while making on main circuit 162
The first relay the second normally opened contact switch KM1-2 and the first relay third normally opened contact switch KM1-3 closure, make
The positive input circuit conducting of motor 15, motor 15 rotate forward, and driving cleaning brush 4 cleans backing plate 3；When slipping block 14 is along cunning
The the first normally opened travel switch ST1 of mobile conflict of slot 18 is moved, the first normally opened travel switch ST1 closure is made, the second relay KM2 is obtained
Electricity is closed the first normally opened contact switch KM2-1 of second relay in parallel with the first normally opened travel switch ST1, makes have
The circuit realization of one normally opened travel switch ST1 is self-locking, while opens the 4th normally-closed contact of the second relay on main circuit 162
It closes KM2-4 and the 5th normally-closed contact switch KM2-5 to disconnect, makes the second normally opened contact switch KM2-2 and third of the second relay
Normally opened contact switch KM2-3 closure, and then the positive input circuit of motor 15 is disconnected, the conducting of the reversed input circuit of motor 15, electricity
Machine 15 inverts, and cleaning brush 4 is back mobile to clean backing plate 3；When the conflict of slipping block 14 is closed the second normally opened travel switch, third
Relay KM3 obtains electric, disconnects the first normally-closed contact switch KM3-1 of the third relay being connected in parallel on triode Q, is connected in parallel on
Second normally-closed contact switch KM3-2 of the third relay on the first normally opened travel switch is disconnected, and then makes the first relay KM1
It is powered off with the second relay KM2, motor 15 stops working, and cleaning brush 4 returns to initial position, is automatically performed to the reciprocal of backing plate 3
Cleaning.
As shown in Figure 1 and Figure 5, elevator platform includes the upright driving mechanism for driving the movement of halftone vertical direction, 8 machine of scraper plate
Structure and fixed frame for installing halftone, upright driving mechanism include being actively plugged in the elevating lever 5 of workbench 1 vertically and driving
The lifting cylinder (not shown) that dynamic elevating lever 5 is gone up and down, elevating lever 5 are arranged four, and four elevating levers 5 are set to work two-by-two
1 two sides of platform are provided with mounting blocks 6 between two 5 ends of elevating lever of 1 two sides of workbench, and halftone is horizontally installed to two
Between a mounting blocks 6；
As shown in figure 5,8 mechanism of scraper plate includes that transverse shifting block 7, scraper plate 8,8 cylinder of scraper plate and driving 8 level of scraper plate are scraped
The horizontal drive apparatus of dynamic halftone slurry, the two lateral walls of two mounting blocks 6 offer stroke groove 61 along its length, laterally
The both ends of movable block 7 are slid respectively in the stroke groove 61 for being connected to two mounting blocks 6, in two mounting blocks 6 along its length
It is rotatably connected to driving screw rod 62,7 both ends of transverse shifting block are threadedly connected to the driving screw rod in two mounting blocks 6 respectively
62,6 one end of mounting blocks is provided with the driving motor 63 that driving driving screw rod 62 rotates, and 8 cylinder of scraper plate is vertically arranged to lateral shifting
The output shaft of motion block 7,8 cylinder of scraper plate is connect with scraper plate 8, and driving motor 63 and 8 cylinder of scraper plate are electrically connected with controller 2, this
8 cylinder of scraper plate in embodiment is arranged four, and four 8 cylinders of scraper plate are set to the two sides of transverse shifting block 7 two-by-two, is located at two sides
8 cylinder of scraper plate be respectively arranged with scraper plate 8, and be located at the 8 cylinder asynchronous working of scraper plate of two sides.
As shown in figure 5, halftone includes screen frame 10 and the silk screen 101 for being set to screen frame 10, fixed frame includes being arranged at intervals at
Connecting plate 64 between two mounting blocks 6, the fixed plate 65 being arranged at intervals between two connecting plates 64, two 65 phases of fixed plate
The placing groove 651 placed for 10 two sides of screen frame is offered to side wall, 65 upper surface of fixed plate is threaded with the fixed net of conflict
The standing screw 66 of frame 10, is provided with the link block 67 in zigzag between connecting plate 64 and fixed plate 65, link block 67 passes through solid
Determine screw rod 66 to be fixed to each other with connecting plate 64 and fixed plate 65.The two sides of screen frame 10 are placed in the placing groove 651 of fixed plate 65,
Then the side wall in screen frame 10 is contradicted by standing screw 66 again, makes screen frame 10 is stable to be mounted in fixed frame.
The course of work and principle: elevator platform is controlled by controller 2 and is moved up and down, the net being mounted on elevator platform is made
Version prints the circuit board being placed on backing plate 3, and after printing, controller 2 controls driving device and drives 4 pairs of cleaning brush pads
3 surface of plate is cleaned, and avoids the slurry on circuit board perforation from dropping on backing plate 3 or other sundries are fallen on backing plate 3, shadow
Ring circuit board printing quality, it is possible to reduce the case where backing plate 3 pollutes.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of pcb board is silver paste hole filled to use printing machine, it is characterised in that: including workbench (1), be set on workbench (1)
Elevator platform, the halftone being installed on elevator platform and the controller (2) for controlling elevator platform lifting, are located under halftone
The workbench (1) of side is provided with the backing plate (3) for placing circuit board, and the workbench (1) is provided with for cleaning pad
The cleaning brush (4) of plate (3), it is clean along the reciprocating movement of backing plate (3) surface that the workbench (1) is provided with driving cleaning brush (4)
Driving device, the driving device and controller (2) are electrically connected, for controlling driving device work, the elevator platform with
Driving device asynchronous working.
2. a kind of pcb board according to claim 1 is silver paste hole filled to use printing machine, it is characterised in that: each angle of the backing plate (3)
Place offers location hole (32), is provided on the workbench (1) and location hole (32) mating positioning column (12).
3. a kind of pcb board according to claim 1 is silver paste hole filled to use printing machine, it is characterised in that: the backing plate (3) opens up
There are several gas vents (33) corresponding with the perforation of circuit board, several gas vents (33) run through backing plate (3).
4. a kind of pcb board according to claim 3 is silver paste hole filled to use printing machine, it is characterised in that: backing plate (3) back side
It offers in length and breadth grid-shaped air discharge duct (34), the air discharge duct (34) extends backing plate (3) edge, is located at gas vent (33)
The backing plate (3) back side at place offers the connectivity slot (35) being connected with air discharge duct (34).
5. a kind of pcb board according to claim 1 is silver paste hole filled to use printing machine, it is characterised in that: the backing plate (3) is side
Shape plate, the workbench (1) for being located at backing plate (3) two sides are provided with the first limited block for two side position of locating circuit board
(11), backing plate (3) side is provided with the second limited block (31) for the locating circuit board other side.
6. a kind of pcb board according to claim 5 is silver paste hole filled to use printing machine, it is characterised in that: cleaning brush (4) packet
Soft brush body (41) and the brush holder support (42) for installing soft brush body (41) are included, the driving device includes screw rod (13) and silk
The motor (15) of slipping block (14), driving screw rod (13) rotation that bar (13) is threadedly coupled and control motor (15) drive screw rod
(13) control circuit (16) of positive and negative rotation, the workbench (1) offer installation cavity (17), and the screw rod (13) is rotationally connected with
Installation cavity (17), the workbench (1) offer the slippage slot (18) communicated with installation cavity (17), and the slipping block (14) is vertical
Sliding is connected to slippage slot (18), and described brush holder support (42) one end is connect with slipping block (14), and the screw rod (13) and brush holder support
(42) it is vertically arranged.
7. a kind of pcb board according to claim 6 is silver paste hole filled to use printing machine, it is characterised in that: the control circuit
It (16) include switching circuit (161) and main circuit (162)；
The switching circuit (161) includes the first normally opened travel switch (ST1), the second normally opened travel switch (ST2), triode
(Q), the first normally opened contact of the first relay (KM1), the second relay (KM2), third relay (KM3), the first relay
Switch the first normally-closed contact switch of (KM1-1), the first normally opened contact switch (KM2-1) of the second relay, third relay
(KM3-1) and the second normally-closed contact of third relay switchs (KM3-2), the base stage of the controller (2) and triode (Q)
It is electrically connected, the collector of the triode (Q) is electrically connected with the power supply, the emitter and the first relay of the triode (Q)
It is grounded after device (KM1) series connection, the first of the first normally opened contact switch (KM1-1) of first relay and third relay is often
Closed contact switchs in parallel with triode (Q) after (KM3-1) connects；Described first normally opened travel switch one end (ST1) and power supply electricity
Property connection, the other end is grounded after connecting with the second relay (KM2), the first normally opened contact switch of second relay
(KM2-1) after connecting with the second normally-closed contact of third relay switch (KM3-2) simultaneously with the first normally opened travel switch (ST1)
Connection；Described second normally opened travel switch (ST2) one end is electrically connected with the power supply, after the other end is connected with third relay (KM3)
Ground connection, the first normally opened travel switch (ST1) and the second normally opened travel switch (ST2) are respectively arranged at the two of slippage slot (18)
End；
The main circuit (162) includes the positive input circuit for rotating forward motor (15) and the reversed input for making motor (15) reversion
Circuit；
Positive input circuit includes the second normally opened contact switch of two the first relays for being series at motor (15) both ends respectively
(KM1-2) and the 4th normally-closed contact of third normally opened contact switch (KM1-3), the second relay switchs (KM2-4) and 5 constant virtues
Closed contact switchs (KM2-5)；
Reversed input circuit includes the second normally opened contact switch of two the second relays for being series at motor (15) both ends respectively
(KM2-2) and third normally opened contact switch (KM2-3).
8. a kind of pcb board according to claim 6 is silver paste hole filled to use printing machine, it is characterised in that: the cleaning brush (4) sets
It is disposed adjacent to the workbench (1) of the second limited block (31), the slipping block (14) includes being threadedly connected to the first of screw rod (13)
Slipping block (141) and the second slipping block (142) for being actively plugged in the first slipping block (141) vertically, brush holder support (42) setting
In the second slipping block (142), two first limited blocks (11) are provided with inclined-plane (111) towards brush holder support (42) end, described
Height is consistent with the height of the first limited block (11) when cleaning brush (4) does not work.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810509067.6A CN108770237B (en) | 2018-05-24 | 2018-05-24 | A kind of pcb board is silver paste hole filled to use printing machine |
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| CN201810509067.6A CN108770237B (en) | 2018-05-24 | 2018-05-24 | A kind of pcb board is silver paste hole filled to use printing machine |
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| CN108770237A CN108770237A (en) | 2018-11-06 |
| CN108770237B true CN108770237B (en) | 2019-08-02 |
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| CN113556887B (en) * | 2021-07-22 | 2022-08-09 | 杭州鹏润电子有限公司 | Through hole plating equipment and through hole plating method for double-sided circuit board |
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| CN102244986A (en) * | 2010-05-13 | 2011-11-16 | 富葵精密组件(深圳)有限公司 | Hole plugging device and hole plugging method of circuit board |
| CN102632705A (en) * | 2011-02-09 | 2012-08-15 | 富士机械制造株式会社 | Printing operation assisting device |
| CN103179803A (en) * | 2013-04-24 | 2013-06-26 | 昆山翰辉电子科技有限公司 | General purpose backing plate for plugging hole of wire mark for printed circuit board |
| CN206905871U (en) * | 2017-06-14 | 2018-01-19 | 广东灿城农产品集团有限公司 | A kind of fruits and vegetables electronic scale |
| CN207325538U (en) * | 2017-10-16 | 2018-05-08 | 深圳多维新城数字展示科技有限公司 | A kind of dimming glass automatic cleaning apparatus of dimming glass interactive projection system |
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2018
- 2018-05-24 CN CN201810509067.6A patent/CN108770237B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102244986A (en) * | 2010-05-13 | 2011-11-16 | 富葵精密组件(深圳)有限公司 | Hole plugging device and hole plugging method of circuit board |
| CN102632705A (en) * | 2011-02-09 | 2012-08-15 | 富士机械制造株式会社 | Printing operation assisting device |
| CN103179803A (en) * | 2013-04-24 | 2013-06-26 | 昆山翰辉电子科技有限公司 | General purpose backing plate for plugging hole of wire mark for printed circuit board |
| CN206905871U (en) * | 2017-06-14 | 2018-01-19 | 广东灿城农产品集团有限公司 | A kind of fruits and vegetables electronic scale |
| CN207325538U (en) * | 2017-10-16 | 2018-05-08 | 深圳多维新城数字展示科技有限公司 | A kind of dimming glass automatic cleaning apparatus of dimming glass interactive projection system |
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|---|---|
| CN108770237A (en) | 2018-11-06 |
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