CN206678544U - Solder-Paste Printing equipment is used in a kind of computer motherboard production - Google Patents
Solder-Paste Printing equipment is used in a kind of computer motherboard production Download PDFInfo
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- CN206678544U CN206678544U CN201720433146.4U CN201720433146U CN206678544U CN 206678544 U CN206678544 U CN 206678544U CN 201720433146 U CN201720433146 U CN 201720433146U CN 206678544 U CN206678544 U CN 206678544U
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Abstract
A kind of computer hardware production equipment is the utility model is related to, more particularly to Solder-Paste Printing equipment is used in a kind of production of computer motherboard.The technical problems to be solved in the utility model is to provide the computer motherboard production Solder-Paste Printing equipment that a kind of manufacturing cost and later maintenance cost are low, stability is high, can ensure printing product quality and be used suitable for middle-size and small-size factory.In order to solve the above-mentioned technical problem, the utility model provides such a computer motherboard production Solder-Paste Printing equipment, includes base, back side panel, top plate, cylinder, framework, fixing bolt, travel mechanism etc.；Back side panel is installed by bolted connection on rear side of base top, back side panel top horizontal is welded with top plate, and base top is provided with standing groove.The utility model moved left and right by the first nut drive cylinder body to cream tank apply air pressure, be not required to external gas source, so as to save energy consumption, and go out cream head go out cream speed follow the first nut translational speed determine.
Description
Technical field
The present invention relates to a kind of computer hardware production equipment, more particularly to a kind of computer motherboard production Solder-Paste Printing
Equipment.
Background technology
Computer housing mainboard, it is called motherboard, system board or motherboard；It is divided into commercial two kinds of mainboard and industrial master board.It
In cabinet, it is that microcomputer is most basic and one of most important part.The generally rectangular cross-section circuit board of mainboard, it is installed above
The main circuit system of composition computer, typically has BIOS chips, I/O control chips, key and panel control switch interface, refers to
Show the elements such as the dc source power supply connector of lamp plug connector, expansion slot, mainboard and plug-in card.
Mainboard needs to carry out Solder-Paste Printing work to it in production, is typically printed at present by artificial and large scale equipment
Dataller makees, artificially print when efficiency is low and cream is scraped in use it is firmly uneven, stability is poor, printing quality is difficult to hold, and
Large scale equipment space is big, equipment investment cost and the maintenance in later stage are too high, is not suitable for middle-size and small-size factory and uses, therefore urgently
It need to research and develop that a kind of manufacturing cost and later maintenance cost are low, stability is high, can ensure printing product quality and suitable for medium and small
The computer motherboard production Solder-Paste Printing equipment that type factory uses.
The content of the invention
(1) technical problems to be solved
The present invention artificially prints that mainboard soldering paste brush efficiency is low, stability is poor, printing quality is difficult to hold to overcome, and
The maintenance in large scale equipment input cost and later stage is too high, is not suitable for the shortcomings that middle-size and small-size factory uses, the invention solves
Technical problem is to provide that a kind of manufacturing cost and later maintenance cost are low, stability is high, can ensure printing product quality and suitable
The computer motherboard production Solder-Paste Printing equipment used for middle-size and small-size factory.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides such a computer motherboard production to be set with Solder-Paste Printing
It is standby, include base, back side panel, top plate, cylinder, framework, fixing bolt, travel mechanism, scraper plate, go out cream device and cutting ferrule, bottom
Seat top rear is provided with back side panel by bolted connection, and back side panel top horizontal is welded with top plate, and base top is opened
There is standing groove, cylinder is symmetrically installed with left and right sides of top plate bottom, cylinder is connected with top plate by bolted connection,
Horizontal connection has framework by bolted connection on the expansion link of cylinder, and framework is shaped as cuboid, the bottom of framework
Template neck is provided with, the left and right sides horizontal symmetrical of framework bottom is provided with screwed hole, and screwed hole connects with template neck, screwed hole
Interior to be provided with fixing bolt, fixing bolt coordinates with screwed hole, and framework top horizontal is provided with the first guide groove, and travel mechanism includes
First motor, first bearing seat, guide block, the first nut and the first screw mandrel, the first motor are arranged on by bolted connection
The upper left corner on the inside of framework, framework inside top is symmetrical to be provided with first bearing seat, what first bearing seat was bolted
Mode is connected with framework, and first bearing seat is located at the right side of the first motor, and first is provided between two first bearing seats
Bar, the left end of the first screw mandrel are connected with the output shaft of the first motor by shaft coupling, and the first nut is provided with the first screw mandrel, the
The top left side of one nut is connected with guide block by bolted connection, what the bottom right of the first nut was connected by screw
Mode is provided with cutting ferrule, and guide block is located in the first guide groove, and guide block is slidably matched with the first guide groove, the first nut bottom
Scraper plate is connected with, goes out cream device and includes cream tank, goes out cream comb and go out cream head, cream tank bottom is connected with out cream comb, scraper plate
The mode that downside is connected by screw is provided with out cream head, goes out cream comb and is fixed by cutting ferrule, goes out the tail end of cream comb with going out
Cream head connects.
Preferably, also include and push away cream device, push away cream device by guide rod, connecting plate, guide pad, second bearing seat,
Two screw mandrels, gear, the second nut, rack, cylinder body, piston, connecting rod, air inlet pipe, the first check valve, escape pipe and second are unidirectional
Valve group is into the left upper portion of the first nut is connected with guide rod vertically, and the top right side of guide rod is by bolted connection
Horizontal connection has connecting plate, and guide pad is slidably provided with guide rod, and middle part is equal on front side of the bottom of connecting plate and the first nut
Second bearing seat is installed, two second bearing seats are symmetrical above and below, and the second screw mandrel of installation between two second bearing seats, the
The bottom of two screw mandrels is connected with gear by way of key connection, and the second screw mandrel above gear is provided with the second nut, and second
Nut and the second screw mandrel coordinate, and the second nut is connected with guide pad, and front side horizontal is connected with rack at the top of framework, and rack passes through
Bolted mode is connected with framework, and rack and pinion engagement, the left end of connecting plate is connected with by bolted connection
Cylinder body, cylinder body is interior to be provided with piston, and the bottom of piston is connected with connecting rod vertically, and the bottom of connecting rod is connected with the second nut,
The check valve of air inlet pipe first is connected with the top of cylinder body, the first check valve is installed, the upper right of cylinder body is connected with air inlet pipe
Escape pipe, the second check valve is installed on escape pipe, the tail end of escape pipe is connected with the gas-tpe fitting of cream tank cap top.
Preferably, air filtering core is also included, the air inlet of air inlet pipe is provided with air filtering core, and the material of air filtering core can
Think cellulose, felt, cotton yarn, non-woven fabrics, wire or fiberglass etc..
Preferably, wiping arrangement is also included, wiping arrangement is by the second motor, portable plate, the second guide groove, spring and U
Shape bar forms, and the second motor is arranged on the top rear of base by bolted connection, passes through in the output of the second motor
Shaft coupling is connected with portable plate, and for portable plate in horizontally disposed, the left and right sides of portable plate bottom is provided with the second guide groove, and second
Guide groove inside top is connected with spring, lower end and the U-shaped bar of spring, and U-shaped bar and the second guide groove coordinate.
Preferably, guider is also included, guider is symmetrically installed at left and right sides of back side panel by slide rail and sliding block
There is slide rail, be slidably provided with sliding block on slide rail, sliding block is connected with the trailing flank of framework.
Preferably, latch is also included, U-shaped bar is provided with latch, and latch is arranged on the medial surface of U-shaped bar, and latch is along U-shaped
The axial direction distribution of bar, latch are shaped as pyrometric cone.
Preferably, also include draw ring, be provided with draw ring among portable plate bottom, draw ring by bolted connection with work
Dynamic plate is connected.
Preferably, the manufacture material of scraper plate is stainless steel, and scraper plate is connected with the first nut, scraped by bolted connection
In 45 degree of settings, scraper plate is shaped as trapezoidal plate.
Preferably, it is rubber tube to go out cream comb, and the manufacture material for going out cream head is stainless steel, goes out lower surface and the scraper plate of cream head
Bottom be located at same level.
Operation principle：When needing to carry out Printing Paste to pcb board, pcb board is placed in standing groove, weldering is loaded onto in cream tank
Cream, and corresponding printing stencil is placed in template neck, scraper plate bottom and template upper surface.Then fixing bolt is used
Template is positioned and fixed.Start cylinder elongation, framework moves down and base contacts.Gas-tpe fitting is connected into gas again
Soldering paste in cream tank is extruded, starts the first motor and rotate clockwise, pass through by source, gases at high pressure by going out cream comb and going out cream head
First screw mandrel drives the first nut to move right, and scraper plate moves, and scraper plate scrapes the soldering paste of extrusion uniformly across template
On pcb board.Then start cylinder to shorten, framework is moved up, and the pcb board printed is taken out.Such aforesaid operations repeatedly are just
Printing Paste can be carried out to large batch of pcb board.
Push away cream device because also including, push away cream device by guide rod, connecting plate, guide pad, second bearing seat, second
Bar, gear, the second nut, rack, cylinder body, piston, connecting rod, air inlet pipe, the first check valve, escape pipe and the second unidirectional valve group
Into the left upper portion of the first nut is connected with guide rod vertically, and the top right side of guide rod is horizontal by bolted connection
Connecting plate is connected with, guide pad is slidably provided with guide rod, middle part is respectively mounted on front side of the bottom of connecting plate and the first nut
There is second bearing seat, two second bearing seats are symmetrical above and below, and the second screw mandrel of installation between two second bearing seats, second
The bottom of bar is connected with gear by way of key connection, and the second screw mandrel above gear is provided with the second nut, the second nut
Coordinate with the second screw mandrel, the second nut is connected with guide pad, and front side horizontal is connected with rack at the top of framework, and rack passes through bolt
The mode of connection is connected with framework, and rack and pinion engagement, the left end of connecting plate is connected with cylinder body by bolted connection,
Piston is provided with cylinder body, the bottom of piston is connected with connecting rod vertically, and the bottom of connecting rod is connected with the second nut, cylinder body top
Portion is connected with the check valve of air inlet pipe first, and the first check valve is provided with air inlet pipe, and the upper right of cylinder body is connected with escape pipe,
Second check valve is installed, the tail end of escape pipe is connected with the gas-tpe fitting of cream tank cap top on escape pipe.When initial, scrape
Plate is located at framework right part, and when the first motor of startup is clockwise, the first nut is moved right, and gear is passively rolled counterclockwise by rack
Dynamic, the second screw mandrel concomitant rotation, the second screw mandrel drives the second nut to move up, and connecting rod and piston move up therewith.It is living
When plug moves up, the air in cylinder body is pushed into cream tank by escape pipe, the soldering paste in cream tank squeezes under the pressure of air
Go out out cream head, when piston slowly moves up, go out the discharging of cream head continuous uniform, uniformity during printing can be ensured.When
When one motor rotates counterclockwise, the first nut is moved to the left, and gear and the second screw mandrel rotate clockwise, and piston moves down.It is living
When plug moves down, extraneous air is drawn into cylinder body by air inlet pipe.So when the first motor rotates clockwise and the inverse time
When pin rotates, piston and cylinder body coordinate and can suck the air in the external world, and push air into cream tank, and soldering paste is extruded.Such as
This reaches the effect of energy-conservation, and goes out that cream is uniform, and then improves the effect of printing.
Because also including air filtering core, the air inlet of air inlet pipe is provided with air filtering core, and the material of air filtering core can be with
For cellulose, felt, cotton yarn, non-woven fabrics, wire or fiberglass etc..Air filtering core can stop that extraneous dust enters cylinder body
It is interior, so as to avoid the soldering paste in cream tank from being contaminated.
Because also including wiping arrangement, wiping arrangement is by the second motor, portable plate, the second guide groove, spring and U-shaped bar
Composition, the second motor are arranged on the top rear of base, pass through shaft coupling in the output of the second motor by bolted connection
Device is connected with portable plate, and portable plate is in being horizontally disposed with, and the left and right sides of portable plate bottom is provided with the second guide groove, and second is oriented to
Groove inside top is connected with spring, lower end and the U-shaped bar of spring, and U-shaped bar and the second guide groove coordinate.U-shaped bar is pulled to moving down
It is dynamic, the cleaning wiping cloth of cleaning is rolled on portable plate, U-shaped bar is unclamped, under the action of the spring, is fixed cleaning wiping cloth by U-shaped bar.
After being completed for printing to one piece of pcb board and cylinder shortens, start the second motor positive and negative alternate and rotate, the second motor driven activity
Bar swings, and cleaning wiping cloth contacts with template lower surface, and cleaning wiping cloth can wipe the remaining cream in template, so avoid the need for people
Work is wiped, and improves efficiency.
Because also including guider, guider is symmetrically installed with left and right sides of back side panel by slide rail and sliding block
Slide rail, sliding block is slidably provided with slide rail, sliding block is connected with the trailing flank of framework.Slide rail and sliding block can transport Telescopic-cylinder
When dynamic, framework is more steady up and down.
Because also including latch, U-shaped bar is provided with latch, and latch is arranged on the medial surface of U-shaped bar, and latch is along U-shaped bar
Axial direction distribution, latch is shaped as pyrometric cone.Cleaning wiping cloth is wrapped on portable plate, latch can fix cleaning wiping cloth more
Firmly, avoid that cleaning wiping cloth is loose, comes off.
Be provided with draw ring because also including draw ring, among portable plate bottom, draw ring by bolted connection with activity
Plate is connected, and when U-shaped bar separates with portable plate, pulls dynamic draw ring, can play labour-saving effect.
(3) beneficial effect
The present invention is moved left and right by the first nut to drive cylinder body to apply air pressure to cream tank, is not required to external gas source, so as to
Saved energy consumption, and go out cream head go out cream speed follow the first nut translational speed determine, so going out cream head goes out soldering paste
Amount it is uniform, printing effect can be ensured, and invention achieves manufacturing cost and later maintenance cost be low, stability is high
Effect.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present invention.
Fig. 2 is second of main structure diagram of the present invention.
Fig. 3 is the enlarged diagram of part A.
Fig. 4 is the first right side structural representation of the present invention.
Fig. 5 is the third main structure diagram of the present invention.
Fig. 6 is second of right side structural representation of the present invention.
Mark in accompanying drawing for：1- bases, 2- back side panels, 3- top plates, 4- standing grooves, 5- cylinders, 6- frameworks, 61- screw threads
Hole, 62- fixing bolts, 63- template necks, the guide grooves of 64- first, 7- travel mechanisms, the motors of 71- first, 72- clutch shaft bearings
Seat, 73- guide blocks, the nuts of 74- first, the screw mandrels of 75- first, 8- scraper plates, 9- go out cream device, 91- cream tanks, and 92- goes out cream comb, 93-
Going out cream head, 94- gas-tpe fittings, 10- cutting ferrules, 11- pushes away cream device, 1101- guide rods, 1102- connecting plates, 1103- guide pads,
1104- second bearing seats, the screw mandrels of 1105- second, 1106- gears, the nuts of 1107- second, 1108- racks, 1109- cylinder bodies,
1110- pistons, 1111- connecting rods, 1112- air inlet pipe, the check valves of 1113- first, 1114- escape pipes, 1115- second are unidirectional
Valve, 1116- air filtering cores, 12- wiping arrangements, the motors of 121- second, 122- portable plates, the guide grooves of 123- second, 124- springs,
125-U shape bars, 126- latches, 127- draw rings, 13- guiders, 131- slide rails, 132- sliding blocks.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of computer motherboard production uses Solder-Paste Printing equipment, as shown in figures 1 to 6, include base 1, back side panel 2, top plate
3rd, cylinder 5, framework 6, fixing bolt 62, travel mechanism 7, scraper plate 8, go out cream device 9 and cutting ferrule 10, the top rear of base 1 passes through
Bolted mode is provided with back side panel 2, and the top horizontal of back side panel 2 is welded with top plate 3, and the top of base 1 is provided with standing groove 4,
Cylinder 5 is symmetrically installed with left and right sides of the bottom of top plate 3, cylinder 5 is connected with top plate 3 by bolted connection, cylinder 5
Expansion link on by bolted connection horizontal connection have framework 6, framework 6 is shaped as cuboid, and the bottom of framework 6 is opened
There is template neck 63, the left and right sides horizontal symmetrical of the bottom of framework 6 is provided with screwed hole 61, and screwed hole 61 connects with template neck 63
It is logical, fixing bolt 62 is provided with screwed hole 61, fixing bolt 62 coordinates with screwed hole 61, and the top horizontal of framework 6 is provided with first and led
To groove 64, travel mechanism 7 includes the first motor 71, first bearing seat 72, guide block 73, the first nut 74 and the first screw mandrel 75,
First motor 71 is arranged on the upper left corner of the inner side of framework 6 by bolted connection, and the inside top of framework 6 is symmetrical to be provided with
First bearing seat 72, first bearing seat 72 are connected with framework 6 by bolted connection, and first bearing seat 72 is located at first
The right side of motor 71, the first screw mandrel 75, the left end and the first motor of the first screw mandrel 75 are installed between two first bearing seats 72
71 output shaft is connected by shaft coupling, and the first nut 74 is provided with the first screw mandrel 75, and the top left side of the first nut 74 is led to
Cross bolted mode and be connected with guide block 73, the mode that the bottom right of the first nut 74 is connected by screw is provided with cutting ferrule
10, guide block 73 is located in the first guide groove 64, and guide block 73 is slidably matched with the first guide groove 64, and the bottom of the first nut 74 connects
Scraper plate 8 is connected to, goes out cream device 9 and includes cream tank 91, goes out cream comb 92 and go out cream first 93, the bottom of cream tank 91 is connected with out cream comb
92, the mode that the downside of scraper plate 8 is connected by screw is provided with out cream first 93, goes out cream comb 92 and is fixed by cutting ferrule 10, is gone out
The tail end of cream comb 92 is connected with going out cream first 93.
Embodiment 2
A kind of computer motherboard production uses Solder-Paste Printing equipment, as shown in figures 1 to 6, include base 1, back side panel 2, top plate
3rd, cylinder 5, framework 6, fixing bolt 62, travel mechanism 7, scraper plate 8, go out cream device 9 and cutting ferrule 10, the top rear of base 1 passes through
Bolted mode is provided with back side panel 2, and the top horizontal of back side panel 2 is welded with top plate 3, and the top of base 1 is provided with standing groove 4,
Cylinder 5 is symmetrically installed with left and right sides of the bottom of top plate 3, cylinder 5 is connected with top plate 3 by bolted connection, cylinder 5
Expansion link on by bolted connection horizontal connection have framework 6, framework 6 is shaped as cuboid, and the bottom of framework 6 is opened
There is template neck 63, the left and right sides horizontal symmetrical of the bottom of framework 6 is provided with screwed hole 61, and screwed hole 61 connects with template neck 63
It is logical, fixing bolt 62 is provided with screwed hole 61, fixing bolt 62 coordinates with screwed hole 61, and the top horizontal of framework 6 is provided with first and led
To groove 64, travel mechanism 7 includes the first motor 71, first bearing seat 72, guide block 73, the first nut 74 and the first screw mandrel 75,
First motor 71 is arranged on the upper left corner of the inner side of framework 6 by bolted connection, and the inside top of framework 6 is symmetrical to be provided with
First bearing seat 72, first bearing seat 72 are connected with framework 6 by bolted connection, and first bearing seat 72 is located at first
The right side of motor 71, the first screw mandrel 75, the left end and the first motor of the first screw mandrel 75 are installed between two first bearing seats 72
71 output shaft is connected by shaft coupling, and the first nut 74 is provided with the first screw mandrel 75, and the top left side of the first nut 74 is led to
Cross bolted mode and be connected with guide block 73, the mode that the bottom right of the first nut 74 is connected by screw is provided with cutting ferrule
10, guide block 73 is located in the first guide groove 64, and guide block 73 is slidably matched with the first guide groove 64, and the bottom of the first nut 74 connects
Scraper plate 8 is connected to, goes out cream device 9 and includes cream tank 91, goes out cream comb 92 and go out cream first 93, the bottom of cream tank 91 is connected with out cream comb
92, the mode that the downside of scraper plate 8 is connected by screw is provided with out cream first 93, goes out cream comb 92 and is fixed by cutting ferrule 10, is gone out
The tail end of cream comb 92 is connected with going out cream first 93.
Also include and push away cream device 11, push away cream device 11 by guide rod 1101, connecting plate 1102, guide pad 1103, second
Bearing block 1104, the second screw mandrel 1105, gear 1106, the second nut 1107, rack 1108, cylinder body 1109, piston 1110, connection
Bar 1111, air inlet pipe 1112, the first check valve 1113, the check valve 1115 of escape pipe 1114 and second form, the first nut 74
Left upper portion is connected with guide rod 1101 vertically, and horizontal connection has by bolted connection on the top right side of guide rod 1101
Connecting plate 1102, is slidably provided with guide pad 1103 on guide rod 1101, before the bottom of connecting plate 1102 and the first nut 74
Middle side part is mounted on second bearing seat 1104, and two second bearing seats 1104 are symmetrical above and below, and two second bearing seats 1104
Between installation with the second screw mandrel 1105, the bottom of the second screw mandrel 1105 gear 1106, gear are connected with by way of key connection
Second screw mandrel 1105 of 1106 tops is provided with the second nut 1107, and the second nut 1107 coordinates with the second screw mandrel 1105, and second
Nut 1107 is connected with guide pad 1103, and the top front side horizontal of framework 6 is connected with rack 1108, and rack 1108 is connected by bolt
The mode connect is connected with framework 6, and rack 1108 engages with gear 1106, and the left end of connecting plate 1102 is by bolted connection
Cylinder body 1109 is connected with, piston 1110 is provided with cylinder body 1109, the bottom of piston 1110 is connected with connecting rod 1111 vertically, connection
The bottom of bar 1111 is connected with the second nut 1107, and the top of cylinder body 1109 is connected with the check valve 1113 of air inlet pipe 1,112 first,
First check valve 1113 is installed, the upper right of cylinder body 1109 is connected with escape pipe 1114, escape pipe in air inlet pipe 1112
Second check valve 1115 is installed, the tail end of escape pipe 1114 is connected with the gas-tpe fitting 94 of the cap top of cream tank 91 on 1114
Connect.
Embodiment 3
A kind of computer motherboard production uses Solder-Paste Printing equipment, as shown in figures 1 to 6, include base 1, back side panel 2, top plate
3rd, cylinder 5, framework 6, fixing bolt 62, travel mechanism 7, scraper plate 8, go out cream device 9 and cutting ferrule 10, the top rear of base 1 passes through
Bolted mode is provided with back side panel 2, and the top horizontal of back side panel 2 is welded with top plate 3, and the top of base 1 is provided with standing groove 4,
Cylinder 5 is symmetrically installed with left and right sides of the bottom of top plate 3, cylinder 5 is connected with top plate 3 by bolted connection, cylinder 5
Expansion link on by bolted connection horizontal connection have framework 6, framework 6 is shaped as cuboid, and the bottom of framework 6 is opened
There is template neck 63, the left and right sides horizontal symmetrical of the bottom of framework 6 is provided with screwed hole 61, and screwed hole 61 connects with template neck 63
It is logical, fixing bolt 62 is provided with screwed hole 61, fixing bolt 62 coordinates with screwed hole 61, and the top horizontal of framework 6 is provided with first and led
To groove 64, travel mechanism 7 includes the first motor 71, first bearing seat 72, guide block 73, the first nut 74 and the first screw mandrel 75,
First motor 71 is arranged on the upper left corner of the inner side of framework 6 by bolted connection, and the inside top of framework 6 is symmetrical to be provided with
First bearing seat 72, first bearing seat 72 are connected with framework 6 by bolted connection, and first bearing seat 72 is located at first
The right side of motor 71, the first screw mandrel 75, the left end and the first motor of the first screw mandrel 75 are installed between two first bearing seats 72
71 output shaft is connected by shaft coupling, and the first nut 74 is provided with the first screw mandrel 75, and the top left side of the first nut 74 is led to
Cross bolted mode and be connected with guide block 73, the mode that the bottom right of the first nut 74 is connected by screw is provided with cutting ferrule
10, guide block 73 is located in the first guide groove 64, and guide block 73 is slidably matched with the first guide groove 64, and the bottom of the first nut 74 connects
Scraper plate 8 is connected to, goes out cream device 9 and includes cream tank 91, goes out cream comb 92 and go out cream first 93, the bottom of cream tank 91 is connected with out cream comb
92, the mode that the downside of scraper plate 8 is connected by screw is provided with out cream first 93, goes out cream comb 92 and is fixed by cutting ferrule 10, is gone out
The tail end of cream comb 92 is connected with going out cream first 93.
Also include and push away cream device 11, push away cream device 11 by guide rod 1101, connecting plate 1102, guide pad 1103, second
Bearing block 1104, the second screw mandrel 1105, gear 1106, the second nut 1107, rack 1108, cylinder body 1109, piston 1110, connection
Bar 1111, air inlet pipe 1112, the first check valve 1113, the check valve 1115 of escape pipe 1114 and second form, the first nut 74
Left upper portion is connected with guide rod 1101 vertically, and horizontal connection has by bolted connection on the top right side of guide rod 1101
Connecting plate 1102, is slidably provided with guide pad 1103 on guide rod 1101, before the bottom of connecting plate 1102 and the first nut 74
Middle side part is mounted on second bearing seat 1104, and two second bearing seats 1104 are symmetrical above and below, and two second bearing seats 1104
Between installation with the second screw mandrel 1105, the bottom of the second screw mandrel 1105 gear 1106, gear are connected with by way of key connection
Second screw mandrel 1105 of 1106 tops is provided with the second nut 1107, and the second nut 1107 coordinates with the second screw mandrel 1105, and second
Nut 1107 is connected with guide pad 1103, and the top front side horizontal of framework 6 is connected with rack 1108, and rack 1108 is connected by bolt
The mode connect is connected with framework 6, and rack 1108 engages with gear 1106, and the left end of connecting plate 1102 is by bolted connection
Cylinder body 1109 is connected with, piston 1110 is provided with cylinder body 1109, the bottom of piston 1110 is connected with connecting rod 1111 vertically, connection
The bottom of bar 1111 is connected with the second nut 1107, and the top of cylinder body 1109 is connected with the check valve 1113 of air inlet pipe 1,112 first,
First check valve 1113 is installed, the upper right of cylinder body 1109 is connected with escape pipe 1114, escape pipe in air inlet pipe 1112
Second check valve 1115 is installed, the tail end of escape pipe 1114 is connected with the gas-tpe fitting 94 of the cap top of cream tank 91 on 1114
Connect.
Also include air filtering core 1116, the air inlet of air inlet pipe 1112 is provided with air filtering core 1116, air filtering core
1116 material can be cellulose, felt, cotton yarn, non-woven fabrics, wire or fiberglass etc..
Embodiment 4
A kind of computer motherboard production uses Solder-Paste Printing equipment, as shown in figures 1 to 6, include base 1, back side panel 2, top plate
3rd, cylinder 5, framework 6, fixing bolt 62, travel mechanism 7, scraper plate 8, go out cream device 9 and cutting ferrule 10, the top rear of base 1 passes through
Bolted mode is provided with back side panel 2, and the top horizontal of back side panel 2 is welded with top plate 3, and the top of base 1 is provided with standing groove 4,
Cylinder 5 is symmetrically installed with left and right sides of the bottom of top plate 3, cylinder 5 is connected with top plate 3 by bolted connection, cylinder 5
Expansion link on by bolted connection horizontal connection have framework 6, framework 6 is shaped as cuboid, and the bottom of framework 6 is opened
There is template neck 63, the left and right sides horizontal symmetrical of the bottom of framework 6 is provided with screwed hole 61, and screwed hole 61 connects with template neck 63
It is logical, fixing bolt 62 is provided with screwed hole 61, fixing bolt 62 coordinates with screwed hole 61, and the top horizontal of framework 6 is provided with first and led
To groove 64, travel mechanism 7 includes the first motor 71, first bearing seat 72, guide block 73, the first nut 74 and the first screw mandrel 75,
First motor 71 is arranged on the upper left corner of the inner side of framework 6 by bolted connection, and the inside top of framework 6 is symmetrical to be provided with
First bearing seat 72, first bearing seat 72 are connected with framework 6 by bolted connection, and first bearing seat 72 is located at first
The right side of motor 71, the first screw mandrel 75, the left end and the first motor of the first screw mandrel 75 are installed between two first bearing seats 72
71 output shaft is connected by shaft coupling, and the first nut 74 is provided with the first screw mandrel 75, and the top left side of the first nut 74 is led to
Cross bolted mode and be connected with guide block 73, the mode that the bottom right of the first nut 74 is connected by screw is provided with cutting ferrule
10, guide block 73 is located in the first guide groove 64, and guide block 73 is slidably matched with the first guide groove 64, and the bottom of the first nut 74 connects
Scraper plate 8 is connected to, goes out cream device 9 and includes cream tank 91, goes out cream comb 92 and go out cream first 93, the bottom of cream tank 91 is connected with out cream comb
92, the mode that the downside of scraper plate 8 is connected by screw is provided with out cream first 93, goes out cream comb 92 and is fixed by cutting ferrule 10, is gone out
The tail end of cream comb 92 is connected with going out cream first 93.
Also include and push away cream device 11, push away cream device 11 by guide rod 1101, connecting plate 1102, guide pad 1103, second
Bearing block 1104, the second screw mandrel 1105, gear 1106, the second nut 1107, rack 1108, cylinder body 1109, piston 1110, connection
Bar 1111, air inlet pipe 1112, the first check valve 1113, the check valve 1115 of escape pipe 1114 and second form, the first nut 74
Left upper portion is connected with guide rod 1101 vertically, and horizontal connection has by bolted connection on the top right side of guide rod 1101
Connecting plate 1102, is slidably provided with guide pad 1103 on guide rod 1101, before the bottom of connecting plate 1102 and the first nut 74
Middle side part is mounted on second bearing seat 1104, and two second bearing seats 1104 are symmetrical above and below, and two second bearing seats 1104
Between installation with the second screw mandrel 1105, the bottom of the second screw mandrel 1105 gear 1106, gear are connected with by way of key connection
Second screw mandrel 1105 of 1106 tops is provided with the second nut 1107, and the second nut 1107 coordinates with the second screw mandrel 1105, and second
Nut 1107 is connected with guide pad 1103, and the top front side horizontal of framework 6 is connected with rack 1108, and rack 1108 is connected by bolt
The mode connect is connected with framework 6, and rack 1108 engages with gear 1106, and the left end of connecting plate 1102 is by bolted connection
Cylinder body 1109 is connected with, piston 1110 is provided with cylinder body 1109, the bottom of piston 1110 is connected with connecting rod 1111 vertically, connection
The bottom of bar 1111 is connected with the second nut 1107, and the top of cylinder body 1109 is connected with the check valve 1113 of air inlet pipe 1,112 first,
First check valve 1113 is installed, the upper right of cylinder body 1109 is connected with escape pipe 1114, escape pipe in air inlet pipe 1112
Second check valve 1115 is installed, the tail end of escape pipe 1114 is connected with the gas-tpe fitting 94 of the cap top of cream tank 91 on 1114
Connect.
Also include air filtering core 1116, the air inlet of air inlet pipe 1112 is provided with air filtering core 1116, air filtering core
1116 material can be cellulose, felt, cotton yarn, non-woven fabrics, wire or fiberglass etc..
Also include wiping arrangement 12, wiping arrangement 12 is by the second motor 121, portable plate 122, the second guide groove 123, bullet
Spring 124 and U-shaped bar 125 form, and the second motor 121 is arranged on the top rear of base 1, the second electricity by bolted connection
Portable plate 122 is connected with by shaft coupling in the output of machine 121, portable plate 122 is in horizontally disposed a, left side for the bottom of portable plate 122
Right both sides are provided with the second guide groove 123, and the inside top of the second guide groove 123 is connected with spring 124, the lower end of spring 124 and U
Shape bar 125, U-shaped bar 125 coordinate with the second guide groove 123.
Also include guider 13, guider 13 is symmetrical by slide rail 131 and sliding block 132, the left and right sides of back side panel 2
Slide rail 131 is installed, is slidably provided with sliding block 132 on slide rail 131, sliding block 132 is connected with the trailing flank of framework 6.
Also including latch 126, U-shaped bar 125 is provided with latch 126, and latch 126 is arranged on the medial surface of U-shaped bar 125,
Latch 126 is distributed along the axial direction of U-shaped bar 125, and latch 126 is shaped as pyrometric cone.
Also include draw ring 127, draw ring 127, the side that draw ring 127 is bolted are provided among the bottom of portable plate 122
Formula is connected with portable plate 122.
The manufacture material of scraper plate 8 is stainless steel, and scraper plate 8 is connected with the first nut 74 by bolted connection, scraper plate 8
In 45 degree of settings, scraper plate 8 is shaped as trapezoidal.
It is rubber tube to go out cream comb 92, and the manufacture material for going out cream first 93 is stainless steel, goes out lower surface and the scraper plate 8 of cream first 93
Bottom be located at same level.
Operation principle：When needing to carry out Printing Paste to pcb board, pcb board is placed in standing groove 4, cream tank 91 is built-in
Upper soldering paste, and corresponding printing stencil is placed in template neck 63, the bottom of scraper plate 8 and template upper surface.Then use
Fixing bolt 62 is positioned and fixed to template.Start cylinder 5 to extend, framework 6 moves down to be contacted with base 1.Again by gas
Pipe joint 94 connects source of the gas, and gases at high pressure extrude the soldering paste in cream tank 91 by going out cream comb 92 and going out cream first 93, starts the
One motor 71 rotates clockwise, and drives the first nut 74 to move right by the first screw mandrel 75, and scraper plate 8 moves, and scraper plate 8 will
The soldering paste of extrusion is scraped on pcb board uniformly across template.Then start cylinder 5 to shorten, framework 6 moves up, and will print
Pcb board take out.So aforesaid operations just can carry out Printing Paste to large batch of pcb board repeatedly.
Push away cream device 11 because also including, push away cream device 11 by guide rod 1101, connecting plate 1102, guide pad 1103,
Second bearing seat 1104, the second screw mandrel 1105, gear 1106, the second nut 1107, rack 1108, cylinder body 1109, piston 1110,
Connecting rod 1111, air inlet pipe 1112, the first check valve 1113, the check valve 1115 of escape pipe 1114 and second form, the first nut
74 left upper portion is connected with guide rod 1101 vertically, and the top right side of guide rod 1101 is horizontal by bolted connection to be connected
Connecting plate 1102 is connected to, guide pad 1103, the bottom of connecting plate 1102 and the first nut are slidably provided with guide rod 1101
74 front sides middle part are mounted on second bearing seat 1104, and two second bearing seats 1104 are symmetrical above and below, and two second bearing seats
Installation is connected with gear 1106 with the second screw mandrel 1105, the bottom of the second screw mandrel 1105 by way of key connection between 1104,
Second screw mandrel 1105 of the top of gear 1106 is provided with the second nut 1107, and the second nut 1107 coordinates with the second screw mandrel 1105,
Second nut 1107 is connected with guide pad 1103, and the top front side horizontal of framework 6 is connected with rack 1108, and rack 1108 passes through spiral shell
Tether the mode connect to be connected with framework 6, rack 1108 engages with gear 1106, what the left end of connecting plate 1102 was bolted
Mode is connected with cylinder body 1109, and piston 1110 is provided with cylinder body 1109, and the bottom of piston 1110 is connected with connecting rod 1111 vertically,
The bottom of connecting rod 1111 is connected with the second nut 1107, and the top of cylinder body 1109 is connected with the check valve of air inlet pipe 1,112 first
1113, the first check valve 1113 is installed in air inlet pipe 1112, the upper right of cylinder body 1109 is connected with escape pipe 1114, outlet
Second check valve 1115 is installed, the tail end of escape pipe 1114 is connected with the gas-tpe fitting 94 of the cap top of cream tank 91 on pipe 1114
Connect.When initial, scraper plate 8 is located at the right part of framework 6, and when the first motor of startup 71 is clockwise, the first nut 74 moves right, gear
1106 drive the second nut by 1108 passive roll counter-clockwise of rack, the concomitant rotation of the second screw mandrel 1105, the second screw mandrel 1105
1107 move up, and connecting rod 1111 and piston 1110 move up therewith.When piston 1110 moves up, by cylinder body 1109
Air be pushed into by escape pipe 1114 in cream tank 91, the soldering paste in cream tank 91 extrudes out cream first 93 under the pressure of air,
When piston 1110 slowly moves up, go out the first 93 continuous uniform discharging of cream, uniformity during printing can be ensured.When the first motor
71 when being rotated counterclockwise, and the first nut 74 is moved to the left, and the screw mandrel 1105 of gear 1106 and second rotates clockwise, piston 1110 to
Lower movement.When piston 1110 moves down, extraneous air is drawn into cylinder body 1109 by air inlet pipe 1112.So when first
When motor 71 is rotated clockwise and rotated counterclockwise, piston 1110 and cylinder body 1109 coordinate and can suck the air in the external world, and
Push air into cream tank 91, soldering paste is extruded.So reach the effect of energy-conservation, and it is uniform to go out cream, and then improve printing
Effect.
Because also including air filtering core 1116, the air inlet of air inlet pipe 1112 is provided with air filtering core 1116, air filter
The material of core 1116 can be cellulose, felt, cotton yarn, non-woven fabrics, wire or fiberglass etc..Air filtering core 1116 can
Stop that extraneous dust enters in cylinder body 1109, so as to avoid the soldering paste in cream tank 91 from being contaminated.
Because also including wiping arrangement 12, wiping arrangement 12 is by the second motor 121, portable plate 122, the second guide groove
123rd, spring 124 and U-shaped bar 125 form, and the second motor 121 is arranged on the top rear of base 1 by bolted connection,
Portable plate 122 is connected with by shaft coupling in the output of second motor 121, portable plate 122 is in horizontally disposed, under portable plate 122
The left and right sides in portion is provided with the second guide groove 123, and the inside top of the second guide groove 123 is connected with spring 124, spring 124
Lower end and U-shaped bar 125, U-shaped bar 125 coordinate with the second guide groove 123.U-shaped bar 125 is pulled to move down, by the wiping of cleaning
Cloth is rolled on portable plate 122, is unclamped U-shaped bar 125, in the presence of spring 124, is fixed cleaning wiping cloth by U-shaped bar 125.When
One piece of pcb board is completed for printing and after the shortening of cylinder 5, starts the positive and negative alternate of the second motor 121 and rotate, the band of the second motor 121
Dynamic motion bar swings, and cleaning wiping cloth contacts with template lower surface, and cleaning wiping cloth can wipe the remaining cream in template, so just not
Need manually to be wiped, improve efficiency.
Because also including guider 13, guider 13 is by slide rail 131 and sliding block 132, the left and right sides of back side panel 2
Slide rail 131 is symmetrically installed with, is slidably provided with sliding block 132 on slide rail 131, sliding block 132 is connected with the trailing flank of framework 6.
When slide rail 131 and sliding block 132 can make 5 stretching motion of cylinder, framework is more steady about 6.
Because also including latch 126, U-shaped bar 125 is provided with latch 126, and latch 126 is arranged on the inner side of U-shaped bar 125
Face, latch 126 are distributed along the axial direction of U-shaped bar 125, and latch 126 is shaped as pyrometric cone.Wiping is wrapped on portable plate 122
Cloth, latch 126 cleaning wiping cloth can be fixed more firmly, avoid that cleaning wiping cloth is loose, comes off.
Because also including draw ring 127, draw ring 127 is provided among the bottom of portable plate 122, draw ring 127 is bolted
Mode be connected with portable plate 122, when U-shaped bar 125 separates with portable plate 122, pull dynamic draw ring 127, province can be played
The effect of power.
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. Solder-Paste Printing equipment is used in a kind of computer motherboard production, it is characterised in that includes base (1), back side panel (2), top
Plate (3), cylinder (5), framework (6), fixing bolt (62), travel mechanism (7), scraper plate (8), go out cream device (9) and cutting ferrule (10),
Base (1) top rear is provided with back side panel (2) by bolted connection, and back side panel (2) top horizontal is welded with top plate
(3) standing groove (4), is provided with the top of base (1), cylinder (5) is symmetrically installed with left and right sides of top plate (3) bottom, cylinder (5) is logical
Cross bolted mode with top plate (3) to be connected, horizontal connection has by bolted connection on the expansion link of cylinder (5)
Framework (6), framework (6) are shaped as cuboid, and the bottom of framework (6) is provided with template neck (63), the left and right of framework (6) bottom
Both sides horizontal symmetrical is provided with screwed hole (61), and screwed hole (61) connects with template neck (63), is provided with and fixes in screwed hole (61)
Bolt (62), fixing bolt (62) coordinate with screwed hole (61), and framework (6) top horizontal is provided with the first guide groove (64), mobile
Mechanism (7) includes the first motor (71), first bearing seat (72), guide block (73), the first nut (74) and the first screw mandrel (75),
First motor (71) is arranged on the upper left corner, framework (6) inside top or so pair on the inside of framework (6) by bolted connection
Title is provided with first bearing seat (72), and first bearing seat (72) is connected with framework (6) by bolted connection, clutch shaft bearing
Seat (72) is located at the right side of the first motor (71), is provided with the first screw mandrel (75) between two first bearing seats (72), first
The left end of bar (75) is connected with the output shaft of the first motor (71) by shaft coupling, and the first screw mandrel is provided with the first nut on (75)
(74), the top left side of the first nut (74) is connected with guide block (73), the bottom of the first nut (74) by bolted connection
The mode being connected by screw on the right side of portion is provided with cutting ferrule (10), and guide block (73) is located in the first guide groove (64), and guide block
(73) it is slidably matched with the first guide groove (64), the first nut (74) bottom is connected with scraper plate (8), goes out cream device (9) and includes
Cream tank (91), go out cream comb (92) and go out cream head (93), cream tank (91) bottom is connected with out cream comb (92), under scraper plate (8)
The mode that side is connected by screw is provided with out cream head (93), goes out cream comb (92) and is fixed by cutting ferrule (10), goes out cream comb
(92) tail end is connected with going out cream head (93).
2. Solder-Paste Printing equipment is used in a kind of computer motherboard production according to claim 1, it is characterised in that is also included
Cream device (11) is pushed away, pushes away cream device (11) by guide rod (1101), connecting plate (1102), guide pad (1103), second bearing seat
(1104), the second screw mandrel (1105), gear (1106), the second nut (1107), rack (1108), cylinder body (1109), piston
(1110), connecting rod (1111), air inlet pipe (1112), the first check valve (1113), escape pipe (1114) and the second check valve
(1115) form, the left upper portion of the first nut (74) is connected with guide rod (1101) vertically, and the top of guide rod (1101) is right
Horizontal connection has connecting plate (1102) by bolted connection for side, and guide pad is slidably provided with guide rod (1101)
(1103), middle part is mounted on second bearing seat (1104) on front side of the bottom of connecting plate (1102) and the first nut (74), two
Second bearing seat (1104) is symmetrical above and below, and installation is with the second screw mandrel (1105) between two second bearing seats (1104), and second
The bottom of screw mandrel (1105) is connected with gear (1106) by way of key connection, the second screw mandrel above gear (1106)
(1105) the second nut (1107) is provided with, the second nut (1107) coordinates with the second screw mandrel (1105), the second nut (1107)
It is connected with guide pad (1103), front side horizontal is connected with rack (1108) at the top of framework (6), and rack (1108) is connected by bolt
The mode connect is connected with framework (6), and rack (1108) engages with gear (1106), and the left end of connecting plate (1102) is connected by bolt
The mode connect is connected with cylinder body (1109), is provided with piston (1110) in cylinder body (1109), the bottom of piston (1110) connects vertically
There is connecting rod (1111), the bottom of connecting rod (1111) is connected with the second nut (1107), is connected with the top of cylinder body (1109)
The check valve (1113) of air inlet pipe (1112) first, the first check valve (1113), cylinder body (1109) are installed in air inlet pipe (1112)
Upper right be connected with escape pipe (1114), the second check valve (1115), escape pipe are installed on escape pipe (1114)
(1114) tail end is connected with the gas-tpe fitting (94) of cream tank (91) cap top.
3. Solder-Paste Printing equipment is used in a kind of computer motherboard production according to claim 2, it is characterised in that is also included
Air filtering core (1116), the air inlet of air inlet pipe (1112) are provided with air filtering core (1116), the material of air filtering core (1116)
Can be cellulose, felt, cotton yarn, non-woven fabrics, wire or fiberglass etc..
4. Solder-Paste Printing equipment is used in a kind of computer motherboard production according to claim 3, it is characterised in that is also included
Wiping arrangement (12), wiping arrangement (12) is by the second motor (121), portable plate (122), the second guide groove (123), spring
(124) and U-shaped bar (125) composition, the second motor (121) are arranged on the top rear of base (1) by bolted connection,
Portable plate (122) is connected with by shaft coupling in the output of second motor (121), portable plate (122) is in horizontally disposed, portable plate
(122) left and right sides of bottom is provided with the second guide groove (123), and the second guide groove (123) inside top is connected with spring
(124), the lower end of spring (124) and U-shaped bar (125), U-shaped bar (125) coordinate with the second guide groove (123).
5. Solder-Paste Printing equipment is used in a kind of computer motherboard production according to claim 4, it is characterised in that is also included
Guider (13), guider (13) are symmetrically installed with by slide rail (131) and sliding block (132), back side panel at left and right sides of (2)
Slide rail (131), sliding block (132) is slidably provided with slide rail (131), sliding block (132) is connected with the trailing flank of framework (6).
6. Solder-Paste Printing equipment is used in a kind of computer motherboard production according to claim 5, it is characterised in that is also included
Latch (126), U-shaped bar (125) are provided with latch (126), and latch (126) is arranged on the medial surface of U-shaped bar (125), latch
(126) it is distributed along the axial direction of U-shaped bar (125), latch (126) is shaped as pyrometric cone.
7. Solder-Paste Printing equipment is used in a kind of computer motherboard production according to claim 6, it is characterised in that is also included
Draw ring (127), is provided with draw ring (127) among portable plate (122) bottom, draw ring (127) by bolted connection with activity
Plate (122) is connected.
8. Solder-Paste Printing equipment is used in a kind of computer motherboard production according to claim 7, it is characterised in that scraper plate (8)
Manufacture material be stainless steel, scraper plate (8) is connected with the first nut (74) by bolted connection, scraper plate (8) be in 45 degree
Set, scraper plate (8) is shaped as trapezoidal.
9. Solder-Paste Printing equipment is used in a kind of computer motherboard production according to claim 8, it is characterised in that goes out cream comb
(92) it is rubber tube, the manufacture material for going out cream head (93) is stainless steel, goes out the lower surface of cream head (93) and the bottom position of scraper plate (8)
In same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433146.4U CN206678544U (en) | 2017-04-24 | 2017-04-24 | Solder-Paste Printing equipment is used in a kind of computer motherboard production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720433146.4U CN206678544U (en) | 2017-04-24 | 2017-04-24 | Solder-Paste Printing equipment is used in a kind of computer motherboard production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206678544U true CN206678544U (en) | 2017-11-28 |
Family
ID=60403125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720433146.4U Expired - Fee Related CN206678544U (en) | 2017-04-24 | 2017-04-24 | Solder-Paste Printing equipment is used in a kind of computer motherboard production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206678544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945390A (en) * | 2017-04-24 | 2017-07-14 | 湖州浩森科技股份有限公司 | Solder-Paste Printing equipment is used in a kind of computer motherboard production |
| CN108749289A (en) * | 2018-06-21 | 2018-11-06 | 明光康诚伟业机电设备有限公司 | A kind of screen printing device for mobile phone camera glass |
| CN108790381A (en) * | 2018-06-21 | 2018-11-13 | 明光康诚伟业机电设备有限公司 | A kind of screen printing device for mobile phone camera glass |
-
2017
- 2017-04-24 CN CN201720433146.4U patent/CN206678544U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945390A (en) * | 2017-04-24 | 2017-07-14 | 湖州浩森科技股份有限公司 | Solder-Paste Printing equipment is used in a kind of computer motherboard production |
| CN108749289A (en) * | 2018-06-21 | 2018-11-06 | 明光康诚伟业机电设备有限公司 | A kind of screen printing device for mobile phone camera glass |
| CN108790381A (en) * | 2018-06-21 | 2018-11-13 | 明光康诚伟业机电设备有限公司 | A kind of screen printing device for mobile phone camera glass |
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