CN107757079A - A kind of circuit board stencil printer - Google Patents
A kind of circuit board stencil printer Download PDFInfo
- Publication number
- CN107757079A CN107757079A CN201711076725.9A CN201711076725A CN107757079A CN 107757079 A CN107757079 A CN 107757079A CN 201711076725 A CN201711076725 A CN 201711076725A CN 107757079 A CN107757079 A CN 107757079A
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- Prior art keywords
- circuit board
- module
- back plate
- steel mesh
- fixed
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- 238000007639 printing Methods 0.000 claims abstract description 45
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 238000007790 scraping Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000006071 cream Substances 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000009467 reduction Effects 0.000 claims description 24
- 229910000679 solder Inorganic materials 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Screen Printers (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The present invention relates to surface mounting technology (SMT) field, specifically a kind of circuit board stencil printer, including base, bearing, cover plate, backboard, scrape cream module, transmission module, inverting module, printing platform, steel mesh and Elements of Space Grid Truss, shift knob is installed in front of base；Bearing is installed on base upper surface, and bearing side offers vertical chute and mounting hole；Cover plate is installed on holder top；Backboard both sides are provided with sliding pin, and backboard is moved up and down by sliding pin in chute；Cream module is scraped to be used to tin cream being uniformly applied to steel mesh；Transmission module is scraped cream module and steel mesh for drive and moved to printing platform；Inverting module is used to control the reciprocating motion for scraping cream module；Printing platform is used for the printing placed circuit board and circuit board is completed on printing platform；Elements of Space Grid Truss is used to fix steel mesh.The present invention can realize the good contact of steel mesh and circuit board, ensure that positioning precision, while by installing spring on cylinder, save the consumption of the energy.
Description
Technical Field
The invention relates to the field of Surface Mount Technology (SMT), in particular to a circuit board solder paste printer.
Background
Along with the development of science and technology, electronic products are more and more widely applied in people's lives, the large-scale production of the electronic products drives the development of the circuit board production industry, and a tin paste printer is used for printing tin on welding points of a circuit board. The solder paste printer is an important actuating mechanism in the SMT industry, and is responsible for printing solder paste on a circuit board accurately through a die-opened silk screen in the processing process of the printed circuit board.
Also a technical scheme of circuit board tin cream printing machine has appeared among the prior art, has disclosed a circuit board printing machine like chinese patent with application number 201510593089.1, including the frame that has the workstation, be equipped with in the frame relatively the vertical scraper subassembly that reaches horizontal migration of frame, the scraper subassembly includes the knife rest, be equipped with the scraper that two backs pasted mutually on the knife rest, be first scraper, second scraper respectively, all be equipped with the drive on the knife rest both sides first scraper is relative second scraper longitudinal movement's first actuating mechanism, be equipped with the drive in the frame the vertical second actuating mechanism who reaches horizontal migration of scraper. Although this technical scheme can realize the printing work of circuit board and solve the problem that the scraper glues the tin cream, this technical scheme's power supply is too many and what adopt is cylinder transmission's mode, has the extravagant and not high problem of positioning accuracy of the energy.
In view of the above, the circuit board solder paste printer provided by the invention adopts a gear transmission mode to ensure accurate positioning, and meanwhile, the spring is installed on the cylinder, and the scraper moves back by using the elasticity of the spring, so that the use of the cylinder is reduced, and the circuit board solder paste printer has the following specific beneficial effects:
1. according to the circuit board solder paste printer, the transmission module comprises the gear and the rack, the scraper and the steel mesh on the back plate are driven by the gear and the rack to move to the printing position, so that the steel mesh and the scraper can be in close contact with the circuit board, the positioning precision is ensured, and the phenomenon that the printed circuit board is deformed due to the fact that the scraper impacts the printed circuit board is avoided, and the printing quality is influenced.
2. According to the circuit board solder paste printer, the scraper is arranged on the cylinder, the spring is arranged on the guide rod of the cylinder, the spring provides elasticity, so that the reciprocating motion of the scraper can be realized by one-time air inlet of the cylinder, and the energy consumption is reduced.
3. According to the circuit board solder paste printer, the inflator is mounted on the back plate, the back plate moves up and down and simultaneously drives the piston of the inflator to move up and down, the inflator generates compressed air, the compressed air generated by the inflator is supplied to the air cylinder in an auxiliary mode, and the utilization efficiency of energy is improved.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a circuit board solder paste printer which is mainly used for improving the utilization efficiency of energy and realizing the close contact between a steel mesh and a scraper and a circuit board. The scraper device disclosed by the invention has the advantages that the steel mesh and the scraper move up and down to realize good contact with a circuit board through the meshing transmission of the gear rack, and meanwhile, the transverse reciprocating motion of the scraper can be realized through one-time air intake by installing the spring on the cylinder.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a circuit board solder paste printer which comprises a base, a support, a cover plate, a back plate, a paste scraping module, a transmission module, a reversing module, a printing platform, a steel mesh and a steel mesh frame, wherein the base is a cuboid, and a switch button is arranged in front of the base; the number of the support seats is two, the support seats are arranged on the upper surface of the base and positioned on the right side of the base, and vertical sliding grooves and mounting holes are formed in the side surfaces of the support seats; the cover plate is arranged at the top ends of the supports and is used for connecting the two supports; the back plate is positioned between the two supports, sliding pins are arranged on two sides of the back plate and positioned in sliding grooves of the supports, and the back plate moves up and down in the sliding grooves through the sliding pins; the paste scraping module is positioned on the left side of the back plate and is used for uniformly smearing solder paste on the steel mesh; the transmission module is used for driving the paste scraping module and the steel mesh to move towards the printing platform; the reversing module is used for controlling the reciprocating motion of the paste scraping module; the printing platform is used for placing a circuit board and completing the printing of the circuit board on the printing platform; the steel mesh frame is used for fixing a steel mesh; wherein,
the transmission module comprises a motor, a rack, a gear shaft and a reduction gearbox, the reduction gearbox is fixed on the support, and the reduction gearbox is positioned on the right side of the back plate; the motor is fixed on the reduction gearbox; the rack is fixed on the back plate; the gear is arranged on a gear shaft and is meshed with the rack; the gear shaft is connected with the reduction gearbox. During operation, the staff place the circuit board with printing platform on and scribble the tin cream on the steel mesh, press shift knob, the motor drives gear forward rotation, relative motion takes place for gear rack, backplate downstream under the drive of rack to make the steel mesh remove to the printing position.
The paste scraping module comprises two fixing plates, a rodless cylinder, a compression spring, a limit switch, an inflator and a scraper, and the fixing plates are arranged on the left side of the back plate; the rodless cylinder is arranged on the fixing plate; the compression spring is arranged on the guide rod of the rodless cylinder, and when the rodless cylinder exhausts, the compression spring provides elastic force to enable the cylinder barrel to move leftwards, so that the utilization rate of energy is improved; the limit switches are positioned at two ends of the rodless cylinder and are used for controlling the motor to rotate reversely; the inflator is fixed on the cover plate, the head of a piston of the inflator is fixed on the rack, and the inflator is used for generating compressed air to supply the compressed air to the rodless cylinder in an auxiliary mode; the scraper is fixed on the cylinder barrel through the sliding block and is in contact with the steel mesh. When the steel mesh arrived the printing position, trigger the piece and press the admission valve, no pole cylinder motion, and the scraper accomplishes smoothly and scrapes cream work.
The reversing module comprises a pawl seat, a pawl, a ratchet wheel shaft, a bearing seat, an air inlet valve, an air outlet valve and a trigger block, wherein the pawl seat is fixed on the back plate; the pawl is arranged on the pawl seat; the ratchet wheel is arranged at the left end of the ratchet wheel shaft; the ratchet shaft is positioned in the mounting hole of the support, a rubber ring is arranged in the mounting hole, and the ratchet shaft is fixed in the mounting hole through the rubber ring; the bearing block is fixed on the back plate and used for supporting the ratchet shaft; the air inlet valve and the air outlet valve are symmetrically arranged on two sides of the axis of the ratchet shaft, are positioned in a plane vertical to the axis of the ratchet shaft, are arranged above and below the air inlet valve, realize position exchange through rotation of the ratchet wheel, and are used for controlling air inlet and air outlet of the rodless cylinder; the trigger block is used for pressing the air inlet valve and the air outlet valve.
The gear and the rack are meshed without a gap, so that accurate positioning is realized.
The reduction box is a worm gear reduction box, and the worm gear reduction box has a locking function, so that the back plate cannot move in the printing process.
The invention has the beneficial effects that:
1. according to the circuit board solder paste printer, the transmission module comprises the gear and the rack, the scraper and the steel mesh on the back plate are driven by the gear and the rack to move to the printing position, so that the steel mesh and the scraper can be in close contact with the circuit board, the positioning precision is ensured, and the phenomenon that the printed circuit board is deformed due to the fact that the scraper impacts the printed circuit board is avoided, and the printing quality is influenced.
2. According to the circuit board solder paste printer, the scraper is arranged on the cylinder, the spring is arranged on the guide rod of the cylinder, the spring provides elasticity, so that the reciprocating motion of the scraper can be realized by one-time air inlet of the cylinder, and the energy consumption is reduced.
3. According to the circuit board solder paste printer, the inflator is mounted on the back plate, the back plate moves up and down and simultaneously drives the piston of the inflator to move up and down, the inflator generates compressed air, the compressed air generated by the inflator is supplied to the air cylinder in an auxiliary mode, and the utilization efficiency of energy is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 2;
in the figure: the device comprises a base 1, a support 2, a cover plate 3, a back plate 4, a paste scraping module 5, a transmission module 6, a reversing module 7, a printing platform 8, a steel mesh 9, a steel mesh frame 10, a switch button 11, a sliding pin 41, a motor 61, a rack 62, a gear 63, a gear shaft 64, a reduction box 65, a fixing plate 51, a rodless cylinder 52, a compression spring 53, a limit switch 54, an inflator 55, a pawl seat 71, a pawl 72, a ratchet 73, a ratchet shaft 74, a bearing seat 75, an air inlet valve 76, an air outlet valve 77 and a trigger block 78.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the circuit board solder paste printer includes a base 1, a support 2, a cover plate 3, a back plate 4, a paste scraping module 5, a transmission module 6, a reversing module 7, a printing platform 8, a steel mesh 9 and a steel mesh frame 10, wherein the base 1 is a cuboid, and a switch button 11 is installed in front of the base 1; the number of the support seats 2 is two, the support seats 2 are arranged on the upper surface of the base 1, the support seats 2 are positioned on the right side of the base 1, and vertical sliding grooves and mounting holes are formed in the side surfaces of the support seats 2; the cover plate 3 is arranged at the top ends of the supports 2, and the cover plate 3 is used for connecting the two supports 2; the back plate 4 is positioned between the two supports 2, the sliding pins 41 are arranged on two sides of the back plate 4, the sliding pins 41 are positioned in the sliding grooves of the supports 2, and the back plate 4 moves up and down in the sliding grooves through the sliding pins 41; the paste scraping module 5 is positioned on the left side of the back plate 4, and the paste scraping module 5 is used for uniformly coating solder paste on the steel mesh 9; the transmission module 6 is used for driving the paste scraping module 5 and the steel mesh 9 to move towards the printing platform 8; the reversing module 7 is used for controlling the reciprocating motion of the paste scraping module 5; the printing platform 8 is used for placing a circuit board and completing the printing of the circuit board on the printing platform 8; the steel net frame 10 is used for fixing a steel net 9; wherein,
the transmission module 6 comprises a motor 61, a rack 62, a gear 63, a gear shaft 64 and a reduction gearbox 65, wherein the reduction gearbox 65 is fixed on the support 2, and the reduction gearbox 65 is positioned on the right side of the back plate 4; the motor 61 is fixed on the reduction gearbox 65; the rack 62 is fixed on the back plate 4; the gear 63 is arranged on a gear shaft 64, and the gear 63 is meshed with the rack 62; the gear shaft 64 is connected with a reduction gearbox 65. During operation, the staff places the circuit board with printing platform 8 on and scribble the tin cream on steel mesh 9, presses shift knob 11, and motor 61 drives gear 63 forward rotation, and relative motion takes place for gear 63 rack 62, and backplate 4 moves down under the drive of rack 62 to make steel mesh 9 remove to the printing position.
The paste scraping module 5 comprises two fixing plates 51, a rodless cylinder 52, a compression spring 53, a limit switch 54, an inflator 55 and a scraper, wherein the fixing plates 51 are arranged on the left side of the back plate 4; the rodless cylinder 52 is mounted on the fixed plate 51; the compression spring 53 is arranged on a guide rod of the rodless cylinder 52, and when the rodless cylinder 52 exhausts, the compression spring 53 provides elastic force to enable the cylinder barrel to move leftwards, so that the utilization rate of energy is improved; the limit switches 54 are positioned at two ends of the rodless cylinder 52, and the limit switches 54 are used for controlling the motor 61 to rotate reversely; the inflator 55 is fixed on the cover plate 3, the piston head of the inflator 55 is fixed on the rack 62, and the inflator 55 is used for generating compressed air to supply to the rodless cylinder 52 in an auxiliary way; the scraper is fixed on the cylinder barrel through a sliding block and is in contact with the steel mesh 9. When the steel net 9 reaches the printing position, the trigger block 78 presses the air inlet valve 76, the rodless cylinder 52 moves, and the scraper smoothly finishes the paste scraping work.
The reversing module 7 comprises a pawl seat 71, a pawl 72, a ratchet 73, a ratchet shaft 74, a bearing seat 75, an air inlet valve 76, an air outlet valve 77 and a trigger block 78, wherein the pawl seat 71 is fixed on the back plate 4; the pawl 72 is mounted on the pawl seat 71; the ratchet wheel 73 is arranged at the left end of the ratchet wheel shaft 74; the ratchet shaft 74 is positioned in the mounting hole of the support 2, a rubber ring is arranged in the mounting hole, and the ratchet shaft 74 is fixed in the mounting hole through the rubber ring; the bearing block 75 is fixed on the back plate 4, and the bearing block 75 is used for supporting the ratchet shaft 74; the air inlet valve 76 and the air outlet valve 77 are symmetrically arranged on two sides of the axis of the ratchet shaft 74, the air inlet valve 76 and the air outlet valve 77 are positioned in a plane vertical to the axis of the ratchet shaft 74, the air outlet valve 77 is arranged above the air inlet valve 76 and below the air inlet valve 76, the positions of the air inlet valve 76 and the air outlet valve 77 are changed by rotation of the ratchet 73, and the air inlet valve 76 and the air outlet valve 77 are used for controlling air inlet and air outlet of the rodless cylinder 52; the trigger block 78 is used to press the inlet valve 76 and the outlet valve 77.
The gear 63 and the rack 62 are meshed without clearance, so that accurate positioning is realized.
The reduction gearbox 65 is a worm gear reduction gearbox 65, and the worm gear reduction gearbox 65 has a locking function, so that the back plate 4 cannot move in the printing process.
The specific working process is as follows:
when the machine works, firstly, a worker places a circuit board on the printing platform 8 and coats solder paste on the steel mesh 9, then manually presses the switch button 11, the motor 61 drives the gear 63 to rotate in the forward direction, the gear 63 and the rack 62 move relatively, the back plate 4 moves downwards under the driving of the rack 62, when the steel mesh 9 moves to a printing position, the motor 61 stops rotating, in the process, the ratchet shaft 74 rotates 180 degrees, the air inlet valve 76 rotates to the upper side of the ratchet shaft 74, then the trigger block 78 presses the air inlet valve 76, the rodless cylinder 52 moves rightwards, so that the scraper is driven to finish one-time paste scraping work, the compression spring 53 is compressed, the limit switch 54 is triggered when the cylinder moves to the end part, the motor 61 starts to rotate reversely, the motor 61 stops rotating after the back plate 4 moves upwards to a preset position, the steel mesh 9 and the scraper are separated from the printing platform 8, so as to, when the back plate 4 completes one reciprocating motion, the inflator 55 is inflated, and the generated compressed air is used for supplying to the rodless cylinder 52; and then, printing the next circuit board, repeating the steps, and when the back plate 4 drives the steel mesh 9 to move downwards to contact with the printing position, because the air outlet valve 77 rotates above the ratchet shaft 74, the trigger block 78 presses the air outlet valve 77, the rodless cylinder 52 exhausts air, and the cylinder barrel of the rodless cylinder 52 moves leftwards under the elastic force of the compression spring 53, so that the scraper is driven to realize one-time paste scraping work.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A circuit board tin cream printing machine which characterized in that: the multifunctional paste scraping machine comprises a base (1), a support (2), a cover plate (3), a back plate (4), a paste scraping module (5), a transmission module (6), a reversing module (7), a printing platform (8), a steel mesh (9) and a steel mesh frame (10), wherein the base (1) is a cuboid, and a switch button (11) is arranged in front of the base (1); the number of the support seats (2) is two, the support seats (2) are arranged on the upper surface of the base (1), the support seats (2) are positioned on the right side of the base (1), and vertical sliding grooves and mounting holes are formed in the side surfaces of the support seats (2); the cover plate (3) is arranged at the top end of the support (2), and the cover plate (3) is used for connecting the two supports (2); the back plate (4) is positioned between the two supports (2), sliding pins (41) are arranged on two sides of the back plate (4), the sliding pins (41) are positioned in sliding grooves of the supports (2), and the back plate (4) moves up and down in the sliding grooves through the sliding pins (41); the paste scraping module (5) is positioned on the left side of the back plate (4), and the paste scraping module (5) is used for uniformly coating solder paste on the steel mesh (9); the transmission module (6) is used for driving the paste scraping module (5) and the steel mesh (9) to move to the printing platform (8); the reversing module (7) is used for controlling the reciprocating motion of the paste scraping module (5); the printing platform (8) is used for placing a circuit board and completing the printing of the circuit board on the printing platform (8); the steel net rack (10) is used for fixing a steel net (9); wherein,
the transmission module (6) comprises a motor (61), a rack (62), a gear (63), a gear shaft (64) and a reduction gearbox (65), the reduction gearbox (65) is fixed on the support (2), and the reduction gearbox (65) is positioned on the right side of the back plate (4); the motor (61) is fixed on the reduction gearbox (65); the rack (62) is fixed on the back plate (4); the gear (63) is arranged on a gear shaft (64), and the gear (63) is meshed with the rack (62); the gear shaft (64) is connected with the reduction box (65).
2. A circuit board solder paste printer according to claim 1, wherein: the paste scraping module (5) comprises two fixing plates (51), a rodless cylinder (52), a compression spring (53), a limit switch (54), an inflator (55) and a scraper, wherein the fixing plates (51) are arranged on the left side of the back plate (4); the rodless cylinder (52) is arranged on the fixed plate (51); the compression spring (53) is arranged on a guide rod of the rodless cylinder (52), and when the rodless cylinder (52) exhausts, the compression spring (53) provides elastic force to enable the cylinder barrel to move leftwards; the limit switches (54) are positioned at two ends of the rodless cylinder (52), and the limit switches (54) are used for controlling the motor (61) to rotate reversely; the inflator (55) is fixed on the cover plate (3), the piston head of the inflator (55) is fixed on the rack (62), and the inflator (55) is used for generating compressed air to supply to the rodless cylinder (52) in an auxiliary mode; the scraper is fixed on the cylinder barrel through a sliding block and is in contact with the steel mesh (9).
3. A circuit board solder paste printer according to claim 1, wherein: the reversing module (7) comprises a pawl seat (71), a pawl (72), a ratchet wheel (73), a ratchet wheel shaft (74), a bearing seat (75), an air inlet valve (76), an air outlet valve (77) and a trigger block (78), wherein the pawl seat (71) is fixed on the back plate (4); the pawl (72) is arranged on the pawl seat (71); the ratchet wheel (73) is arranged at the left end of the ratchet wheel shaft (74); the ratchet shaft (74) is positioned in the mounting hole of the support (2), a rubber ring is arranged in the mounting hole, the ratchet shaft (74) is fixed in the mounting hole through the rubber ring, and the ratchet shaft (74) is acted by friction force in the rubber ring; the bearing seat (75) is fixed on the back plate (4), and the bearing seat (75) is used for supporting the ratchet shaft (74); the air inlet valve (76) and the air outlet valve (77) are symmetrically arranged on two sides of the axis of the ratchet shaft (74), the air inlet valve (76) and the air outlet valve (77) are positioned on a plane vertical to the axis of the ratchet shaft (74), the air outlet valve (77) is arranged above the air inlet valve (76) and below the air outlet valve (77), the positions of the air inlet valve (76) and the air outlet valve (77) are exchanged through rotation of the ratchet (73), and the air inlet valve (76) and the air outlet valve (77) are used for controlling air inlet and air outlet of the rodless cylinder (52); the trigger block (78) is used for pressing the air inlet valve (76) and the air outlet valve (77).
4. A circuit board solder paste printer according to claim 1, wherein: the gear (63) and the rack (62) are meshed without clearance.
5. A circuit board solder paste printer according to claim 1, wherein: the reduction gearbox (65) is a worm and gear reduction gearbox (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076725.9A CN107757079B (en) | 2017-11-06 | 2017-11-06 | A kind of circuit board stencil printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711076725.9A CN107757079B (en) | 2017-11-06 | 2017-11-06 | A kind of circuit board stencil printer |
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| Publication Number | Publication Date |
|---|---|
| CN107757079A true CN107757079A (en) | 2018-03-06 |
| CN107757079B CN107757079B (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711076725.9A Active CN107757079B (en) | 2017-11-06 | 2017-11-06 | A kind of circuit board stencil printer |
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| CN (1) | CN107757079B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109551911A (en) * | 2019-01-24 | 2019-04-02 | 河南省防伪保密印刷公司（河南省邮电印刷厂） | Method for printing screen based on natural mineral powder |
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| CN106945388A (en) * | 2017-03-09 | 2017-07-14 | 长泰朗德机械设备有限公司 | A kind of high-precision curved screen printer |
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|---|---|---|---|---|
| JPH11342588A (en) * | 1994-04-14 | 1999-12-14 | Matsushita Electric Ind Co Ltd | Screen printing device and screen printing method |
| JP2008260212A (en) * | 2007-04-12 | 2008-10-30 | Yamaha Motor Co Ltd | Substrate conveying device and printing equipment |
| CN101973158A (en) * | 2010-08-20 | 2011-02-16 | 惠州市数码特信息电子有限公司 | Laminating and demolding method and device for semi-automatic solder paste printer |
| CN202805901U (en) * | 2012-10-10 | 2013-03-20 | 深圳市广晟德科技发展有限公司 | Semi-automatic solder paste printing machine |
| CN203418855U (en) * | 2013-08-08 | 2014-02-05 | 上海山泰柯电子有限公司 | Strike-through board cleaning device of circuit board solder paste printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109551911A (en) * | 2019-01-24 | 2019-04-02 | 河南省防伪保密印刷公司（河南省邮电印刷厂） | Method for printing screen based on natural mineral powder |
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| Publication number | Publication date |
|---|---|
| CN107757079B (en) | 2019-03-12 |
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Effective date of registration: 20190201 Address after: 310000 Building 3, Building 8, Jiaqiu Road, Xielin Street, Yuhang District, Hangzhou City, Zhejiang Province Applicant after: Zhejiang Narui Technology Co.,Ltd. Address before: 510641 South China University of Technology, 381 Tianhe District Road, Guangzhou, Guangdong 381 Applicant before: Lin Chunfang |
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Denomination of invention: A circuit board solder paste printing machine Granted publication date: 20190312 Pledgee: Hangzhou Bank Co.,Ltd. Xiaoshan Branch Pledgor: Zhejiang Narui Technology Co.,Ltd. Registration number: Y2024330001573 |
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