CN212889374U - Circuit board printing equipment - Google Patents
Circuit board printing equipment Download PDFInfo
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- CN212889374U CN212889374U CN202020915179.4U CN202020915179U CN212889374U CN 212889374 U CN212889374 U CN 212889374U CN 202020915179 U CN202020915179 U CN 202020915179U CN 212889374 U CN212889374 U CN 212889374U
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- plate
- collecting box
- workbench
- material collecting
- printing
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Abstract
The utility model relates to the field of circuit board printing, in particular to a circuit board printing device, which comprises a workbench, a printing mother board, a material collecting box, a manual lifting mechanism, a scraping plate mechanism, a sensing mechanism, a collecting mechanism, a sliding mechanism and a supporting seat, wherein the manual lifting mechanism is fixedly arranged at the top of the workbench, the material collecting box is fixedly arranged on the manual lifting mechanism, the scraping plate mechanism is positioned at the top of the material collecting box, the sensing mechanism is fixedly arranged at the top of the workbench, a plurality of liquid leakage holes are arranged at the top of the workbench, the collecting mechanism is arranged at the bottom of the workbench, the sliding mechanism is fixedly arranged at the top of the workbench, the supporting seat is fixedly arranged on the sliding mechanism, the circuit board printing device avoids the supporting seat from being stained with printing solution, so that when the next copper-clad plate is placed, the bottom surface of the copper-clad plate can not be stained, the contact area between the copper-clad plate and the supporting seat is reduced, and the surface of the copper-clad plate is prevented from being scratched.
Description
Technical Field
The utility model relates to a circuit board printing field, concretely relates to circuit board printing equipment.
Background
PCB printing, also known as circuit board printing, is a new industry developed today, and the rapid development of screen printing has injected vigor into this industry, bringing about a significant revolution to the electronic industry. Current screen printing processes are fully compatible with high density PCB production.
Chinese patent application No.: CN 201920117089.8; the circuit board printing machine cleans a copper-clad plate before printing by arranging a cleaning mechanism, so that dust on the copper-clad plate is reduced, and the quality of a printed circuit is improved; make printing liquid can be from a direction blade coating to another direction all the time through setting up first scraper and second scraper to make the circuit of printing on the copper-clad plate stable, the difference is little.
The circuit board printer disclosed in this patent has the following drawbacks:
1. when the circuit board printing machine prints one side of the copper-clad plate, the contact area between the other side of the copper-clad plate and the supporting seat is too large, and the surface of the copper-clad plate is easily scratched.
2. The copper-clad plate supporting seat on the circuit board printing machine can not move back and forth, so that the supporting seat can be stained with printing solution, and when the next copper-clad plate is placed, the bottom surface of the copper-clad plate can be stained with the printing solution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board printing equipment.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a circuit board printing equipment, comprises a workbench, the printing mother board, the collecting box, manual elevating system, scraper mechanism, response mechanism, collect the mechanism, sliding mechanism and supporting seat, the collecting box is located the workstation directly over, and printing mother board detachable installs the bottom at the collecting box, manual elevating system fixed mounting is at the top of workstation, collecting box fixed mounting is on manual elevating system, scraper mechanism is located the top of collecting box, and scraper mechanism and manual elevating system fixed connection, a response mechanism fixed mounting for responding to collecting box position is at the top of workstation, the top of workstation begins to have a plurality of weeping hole, a collection mechanism for collecting the waste liquid installs the bottom at the workstation, sliding mechanism fixed mounting is at the top of workstation, a supporting seat fixed mounting for supporting the copper-clad plate is on sliding mechanism.
Further, slide mechanism includes the roof, the limiting plate, first magnet, two slides and slide rail, two slide rail fixed mounting are at the top of workstation, two slide rails are mutual symmetry setting, two slides are installed on two slide rails, and roof fixed mounting is at the top of two slides, a limiting plate fixed mounting that is used for blockking the roof is at the top of workstation, and the limiting plate is located between two slides, first magnet fixed mounting is on the limiting plate, set up the bar breach that is used for holding first magnet on the limiting plate, supporting seat fixed mounting is at the top of roof.
Further, the supporting seat includes push pedal, two three angle bars, curb plate and bottom plate, the top of two bottom plate fixed mounting roofs, two curb plates fixed mounting are at the top of two bottom plates respectively, two three angle bar fixed mounting are at the top of curb plate, and the bar accommodation hole that is used for holding the copper-clad plate is offered at the top of two three angle bars, two three angle bars are provided with the blend stop with one side, the push pedal is located the opposite side of two three angle bars, the push pedal spanes two three angle bars, and push pedal and two three angle bar fixed connection.
Further, four bar-shaped mounting holes are formed in the bottom of the material collecting box, the four bar-shaped mounting holes are located on four sides of the material collecting box, a second magnet is fixedly arranged in each bar-shaped mounting hole, the second magnet is located at the top of each bar-shaped mounting hole, the printing mother matrix is provided with four guide bars along the circumferential direction, the four guide bars are located on four sides of the printing mother matrix, gaps are reserved between the bottoms of the four guide bars and the bottom of the printing mother matrix, the bottom of the printing mother matrix is located below the bottom end of the material collecting box, the four guide bars are inserted into the four bar-shaped mounting holes, and the second magnet is magnetically connected with.
Further, manual elevating system includes two connecting plates, four conflict springs, first guide pillar and linear bearing, two connecting plate fixed mounting are in the both sides of the mutual symmetry of collection magazine, four linear bearing install respectively on two connecting plates, four linear bearing install respectively on four first guide pillars, four first guide pillars are vertical fixed mounting at the top of workstation, four conflict spring housing are established on four first guide pillars, and the bottom of every conflict spring is contradicted with the top of workstation, the top of every conflict spring is contradicted with linear bearing's bottom, the fixed first in command that supplies the workman to stimulate that is provided with on the collection magazine.
Further, response mechanism includes proximity switch, mounting panel and tablet, and tablet fixed mounting is on the connecting plate, mounting panel fixed mounting at the top of workstation for the proximity switch fixed mounting of response tablet is on the mounting panel.
Further, scraper mechanism includes the second guide pillar, two scraper blades and push cylinder, the second guide pillar is located the aggregate box, and the both ends of second guide pillar all with the inside both sides fixed connection of aggregate box, two scraper blades can gliding the installation on the second guide pillar, set up on two scraper blades and supply the gliding guide hole of second guide pillar, two push cylinder are located the both sides of aggregate box, and two push cylinder's output is the correlation setting, and two push cylinder are through pushing cylinder support frame fixed mounting on the connecting plate, and every push cylinder's output all is connected with the scraper blade through floating the joint, two push cylinder's stroke sum is greater than the length of aggregate box.
Further, collect the mechanism including collecting box, bottom plate and two side layer boards, collect the box and be located the below of weeping hole, the bottom plate is located the bottom of collecting the box, the top of bottom plate and the bottom laminating of collecting the box, and two side layer boards are located the both sides of bottom plate, and two side layer boards and bottom plate fixed connection, collect the fixed second handle that is provided with in box one side.
The utility model has the advantages that: this circuit board lithography apparatus through slide mechanism to driving supporting seat round trip movement, can be stained with printing solution on having avoided the supporting seat for when next copper-clad plate was placed, printing solution can not be stained with to the bottom surface of copper-clad plate, and supports the another side of copper-clad plate through the triangle strip, has reduced the area of contact of copper-clad plate with the supporting seat, has avoided scraping the surface of colored copper-clad plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below.
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of a partial three-dimensional structure of the present invention;
FIG. 3 is a perspective view of the sliding mechanism;
FIG. 4 is a schematic perspective view of the supporting base;
fig. 5 is a schematic view of a partial three-dimensional structure of the present invention;
FIG. 6 is an exploded view of the partial three-dimensional structure of the present invention;
FIG. 7 is an exploded perspective view of the collection mechanism;
in the figure:
1. a work table; 1a, a liquid leakage hole;
2. printing a master mask; 2a, conducting bars;
3. a material collecting box; 3a, strip-shaped mounting holes; 3b, a second magnet;
4. a manual lifting mechanism; 4a, a first guide pillar; 4b, a linear bearing; 4c, connecting plates; 4d, abutting against the spring; 4e, a first handle;
5. a scraping plate mechanism; 5a, a second guide post; 5b, a scraper; 5c, pushing the air cylinder;
6. an induction mechanism; 6a, a proximity switch; 6b, mounting plates; 6c, an induction plate;
7. a collection mechanism; 7a, a collection box; 7b, a bottom supporting plate; 7c, a side supporting plate; 7d, a second handle;
8. a sliding mechanism; 8a, a top plate; 8b, a sliding seat; 8c, a slide rail; 8d, limiting plates; 8e, a first magnet;
9. a supporting seat; 9a, triangular bars; 9b, side plates; 9c, a bottom plate; 9d, a barrier strip; 9e, push plate.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 7, a circuit board printing apparatus comprises a workbench 1, a printing mother board 2, a collecting box 3, a manual lifting mechanism 4, a scraping board mechanism 5, a sensing mechanism 6, a collecting mechanism 7, a sliding mechanism 8 and a supporting seat 9, wherein the collecting box 3 is positioned right above the workbench 1, the printing mother board 2 is detachably mounted at the bottom of the collecting box 3, the manual lifting mechanism 4 is fixedly mounted at the top of the workbench 1, the collecting box 3 is fixedly mounted on the manual lifting mechanism 4, the scraping board mechanism 5 is positioned at the top of the collecting box 3, the scraping board mechanism 5 is fixedly connected with the manual lifting mechanism 4, the sensing mechanism 6 for sensing the position of the collecting box 3 is fixedly mounted at the top of the workbench 1, a plurality of liquid leakage holes 1a are formed at the top of the workbench 1, the collecting mechanism 7 for collecting waste liquid is mounted at the bottom of the workbench 1, the sliding mechanism 8 is fixedly mounted at the top of the workbench 1, and a supporting seat 9 for supporting the copper-clad plate is fixedly arranged on the sliding mechanism 8. When the surface of one side of the copper-clad plate needs to be printed, the copper-clad plate is placed on the supporting seat 9 by a worker, the sliding mechanism 8 is pushed, the supporting seat 9 slides along the sliding mechanism 8, the copper-clad plate is positioned under the printing mother plate 2, the manual lifting mechanism 4 is pressed downwards, the manual lifting mechanism 4 drives the printing mother plate 2 arranged on the material collecting box 3 to move downwards, when the bottom of the printing mother plate 2 is contacted with the top of the copper-clad plate, the sensing mechanism 6 senses the position of the material collecting box 3 and transmits a signal to the controller, the controller controls the scraper mechanism 5 to work, the upper surface of the copper-clad plate is processed, the supporting seat 9 is pulled by the worker, the copper-clad plate is pulled away from the lower part of the printing mother plate 2, the worker replaces the copper-clad plate, the actions are repeated, and the solution falling from the material collecting box 3 passes through the liquid leakage hole 1a, and collected by the collecting means 7.
Supporting seat 9 includes push pedal 9e, two triangle strips 9a, curb plate 9b and bottom plate 9c, the top of two bottom plate 9c fixed mounting roof 8a, two curb plate 9b are fixed mounting respectively at the top of two bottom plates 9c, two triangle strip 9a fixed mounting are at the top of curb plate 9b, and the bar accommodation hole that is used for holding the copper-clad plate is offered at two triangle strip 9 a's top, two triangle strip 9 a's same one side is provided with blend stop 9d, push pedal 9e is located two triangle strip 9 a's opposite side, push pedal 9e spanes two triangle strip 9a, and push pedal 9e and two triangle strip 9a fixed connection. The copper-clad plate is placed on the strip-shaped accommodating holes in the two triangular strips 9a, and then pushed by the push plate 9e, so that the push plate 9e drives the triangular strips 9a, the side plates 9b and the bottom plate 9c to move, and further the bottom plate 9c drives the top plate 8a to move.
Four bar mounting holes 3a have been seted up to the bottom of collection magazine 3, four bar mounting holes 3a are located the four sides of collection magazine 3, all fixed second magnet 3b that is provided with in every bar mounting hole 3a, second magnet 3b is located the top of bar mounting hole 3a, printing mother set 2 is provided with four conducting bars 2a along the circumferencial direction, four conducting bars 2a are located the four sides of printing mother set 2, the clearance is left with the bottom of printing mother set 2 in the bottom of four conducting bars 2a, the bottom of printing mother set 2 is located the below of collection magazine 3 bottom, four conducting bars 2a are inserted and are established in four bar mounting holes 3a, second magnet 3b is connected with conducting bar 2a magnetism. Go into on four bar mounting holes 3a through four conducting bars 2a with on the printing master 2, and make second magnet 3b inhale tight conducting bar 2a, and press down printing master 2 when the box of gathering materials 3, and then make the bottom of printing master 2 laminate with the printing plate top, the bottom of the box of gathering materials 3 does not contact with the tectorial membrane board top.
Manual elevating system 4 includes two connecting plates 4c, four conflict springs 4d, first guide pillar 4a and linear bearing 4b, two connecting plates 4c fixed mounting are in the mutual symmetrical both sides of collection material box 3, four linear bearing 4b install respectively on two connecting plates 4c, four linear bearing 4b install respectively on four first guide pillar 4a, four first guide pillar 4a are vertical fixed mounting at the top of workstation 1, four conflict spring 4d cover are established on four first guide pillar 4a, and every conflict spring 4 d's bottom is contradicted with the top of workstation 1, every conflict spring 4 d's top is contradicted with linear bearing 4 b's bottom, the fixed first in command 4e that supplies the workman to stimulate that is provided with on the collection material box 3. Through the manual pull-down first in command 4e of workman, and then make the first in command 4e drive the collection magazine 3 and push down, and then make collection magazine 3 drive connecting plate 4c and compress downwards, and then make two connecting plates 4c drive four linear bearing 4b and push down, and then compress four conflict springs 4d, and then make the lower surface of printing master 2 and the top laminating of copper-clad plate, when the workman loosens, conflict spring 4d upwards jacks linear bearing 4b and connecting plate 4c, and then make collection magazine 3 and printing master 2 rise.
The induction mechanism 6 comprises a proximity switch 6a, a mounting plate 6b and an induction plate 6c, wherein the induction plate 6c is fixedly mounted on the connecting plate 4c, the mounting plate 6b is fixedly mounted at the top of the workbench 1, and the proximity switch 6a for inducing the induction plate 6c is fixedly mounted on the mounting plate 6 b. Through the manual pull-down first in command 4e of workman, connecting plate 4c will drive tablet 6c and descend, and when the lower surface of printing mother set 2 and the top contact of copper-clad plate, tablet 6c will be sensed to proximity switch 6a, and proximity switch 6a will give the controller to the signal transmission, and the controller will control scraper mechanism 5 and carry out work.
The collecting mechanism 7 comprises a collecting box 7a, a bottom supporting plate 7b and two side supporting plates 7c, the collecting box 7a is located below the liquid leakage hole 1a, the bottom supporting plate 7b is located at the bottom of the collecting box 7a, the top of the bottom supporting plate 7b is attached to the bottom of the collecting box 7a, the two side supporting plates 7c are located on two sides of the bottom supporting plate 7b, the two side supporting plates 7c are fixedly connected with the bottom supporting plate 7b, and a second handle 7d is fixedly arranged on one side of the collecting box 7 a. When the solution in the collection box 7a needs to be cleaned, the second handle 7d is manually pulled by a worker, and the collection box 7a is drawn out from the bottom blade 7b and the side blades 7 c.
The working principle is as follows: when one side surface of the copper-clad plate needs to be printed, the copper-clad plate is placed on the strip-shaped accommodating holes in the two triangular strips 9a and then pushed by the push plate 9e, so that the push plate 9e drives the triangular strips 9a, the side plates 9b and the bottom plate 9c to move, so that the bottom plate 9c drives the top plate 8a to move, so that the top plate 8a drives the sliding seat 8b to slide on the sliding rail 8c, when the top plate 8a is abutted against the limiting plate 8d, a worker does not push the supporting seat 9, the top plate 8a is adsorbed by the magnetic force of the first magnet 8e, the first handle 4e is pulled down manually by the worker, so that the first handle 4e drives the material collecting box 3 to press down, so that the material collecting box 3 drives the connecting plates 4c to compress downwards, so that the two connecting plates 4c drive the four linear bearings 4b to press down, and further compress the four springs 4, and then make the lower surface of printing mother set 2 and the top laminating of copper-clad plate, and proximity switch 6a will sense the tablet 6c, proximity switch 6a will be signal transmission to the controller, two promotion cylinders 5c of controller control carry out alternate motion, make two promotion cylinders 5c drive two scraper blades 5b and carry out alternate motion, and then handle the copper-clad plate upper surface, after handling the completion, when the workman loosens, conflict spring 4d upwards jacks up linear bearing 4b and connecting plate 4c, and then make collection box 3 and printing mother set 2 rise, rethread workman pulling push pedal 9e, pull the copper-clad plate from the below of printing mother set 2, rethread workman more changes a piece of copper-clad plate, repeat above-mentioned action, the solution that drops from collection box 3 will pass weeping hole 1a, and then is collected by collection mechanism 7.
Claims (8)
1. A circuit board printing device is characterized by comprising a workbench (1), a printing mother board (2), a material collecting box (3), a manual lifting mechanism (4), a scraping plate mechanism (5), an induction mechanism (6), a collection mechanism (7), a sliding mechanism (8) and a supporting seat (9), wherein the material collecting box (3) is positioned right above the workbench (1), the printing mother board (2) is detachably arranged at the bottom of the material collecting box (3), the manual lifting mechanism (4) is fixedly arranged at the top of the workbench (1), the material collecting box (3) is fixedly arranged on the manual lifting mechanism (4), the scraping plate mechanism (5) is positioned at the top of the material collecting box (3), the scraping plate mechanism (5) is fixedly connected with the manual lifting mechanism (4), the induction mechanism (6) for inducing the position of the material collecting box (3) is fixedly arranged at the top of the workbench (1), a plurality of liquid leakage holes (1a) are formed in the top of the workbench (1), a collecting mechanism (7) for collecting waste liquid is installed at the bottom of the workbench (1), a sliding mechanism (8) is fixedly installed at the top of the workbench (1), and a supporting seat (9) for supporting a copper-clad plate is fixedly installed on the sliding mechanism (8).
2. The PCB printing equipment according to claim 1, wherein the sliding mechanism (8) comprises a top plate (8a), a limiting plate (8d), a first magnet (8e), two sliding seats (8b) and sliding rails (8c), the two sliding rails (8c) are fixedly installed at the top of the workbench (1), the two sliding rails (8c) are symmetrically arranged, the two sliding seats (8b) are installed on the two sliding rails (8c), the top plate (8a) is fixedly installed at the top of the two sliding seats (8b), the limiting plate (8d) for blocking the top plate (8a) is fixedly installed at the top of the workbench (1), the limiting plate (8d) is located between the two sliding seats (8b), the first magnet (8e) is fixedly installed on the limiting plate (8d), the limiting plate (8d) is provided with a bar-shaped notch for accommodating the first magnet (8e), the supporting seat (9) is fixedly arranged on the top of the top plate (8 a).
3. The circuit board printing device according to claim 2, wherein the supporting seat (9) comprises a push plate (9e), two triangular bars (9a), side plates (9b) and bottom plates (9c), the top of the top plate (8a) is fixedly installed on the two bottom plates (9c), the two side plates (9b) are respectively and fixedly installed on the top of the two bottom plates (9c), the two triangular bars (9a) are fixedly installed on the top of the side plates (9b), strip-shaped accommodating holes for accommodating the copper-clad plate are formed in the tops of the two triangular bars (9a), barrier bars (9d) are arranged on the same side of the two triangular bars (9a), the push plate (9e) is located on the other side of the two triangular bars (9a), the push plate (9e) spans the two triangular bars (9a), and the push plate (9e) is fixedly connected with the two triangular bars (9 a).
4. The circuit board printing device according to claim 3, wherein four strip-shaped mounting holes (3a) are formed in the bottom of the material collecting box (3), the four strip-shaped mounting holes (3a) are located on four sides of the material collecting box (3), a second magnet (3b) is fixedly arranged in each strip-shaped mounting hole (3a), the second magnet (3b) is located on the top of each strip-shaped mounting hole (3a), the printing master plate (2) is provided with four guide bars (2a) along the circumferential direction, the four guide bars (2a) are located on four sides of the printing master plate (2), a gap is reserved between the bottoms of the four guide bars (2a) and the bottom of the printing master plate (2), the bottom end of the printing master plate (2) is located below the bottom end of the material collecting box (3), the four guide bars (2a) are inserted into the four strip-shaped mounting holes (3a), and the second magnet (3b) is magnetically connected with the guide bars (2 a).
5. The PCB printing apparatus according to claim 4, wherein the manual lifting mechanism (4) comprises two connecting plates (4c), four abutting springs (4d), a first guide post (4a) and a linear bearing (4b), the two connecting plates (4c) are fixedly installed at two symmetrical sides of the material collecting box (3), the four linear bearings (4b) are respectively installed on the two connecting plates (4c), the four linear bearings (4b) are respectively installed on the four first guide posts (4a), the four first guide posts (4a) are vertically and fixedly installed at the top of the workbench (1), the four abutting springs (4d) are sleeved on the four first guide posts (4a), the bottom of each abutting spring (4d) abuts against the top of the workbench (1), the top of each abutting spring (4d) abuts against the bottom of the linear bearing (4b), a first handle (4e) pulled by a worker is fixedly arranged on the material collecting box (3).
6. A circuit board printing apparatus according to claim 5, wherein the sensing mechanism (6) comprises a proximity switch (6a), a mounting plate (6b) and a sensing plate (6c), the sensing plate (6c) is fixedly mounted on the connecting plate (4c), the mounting plate (6b) is fixedly mounted on the top of the table (1), and the proximity switch (6a) for sensing the sensing plate (6c) is fixedly mounted on the mounting plate (6 b).
7. The PCB printing apparatus according to claim 6, wherein the scraping mechanism (5) comprises a second guide pillar (5a), two scrapers (5b) and pushing cylinders (5c), the second guide pillar (5a) is located in the material collecting box (3), both ends of the second guide pillar (5a) are fixedly connected with both inner sides of the material collecting box (3), the two scrapers (5b) are slidably mounted on the second guide pillar (5a), the two scrapers (5b) are provided with guide holes for the second guide pillar (5a) to slide, the two pushing cylinders (5c) are located on both sides of the material collecting box (3), output ends of the two pushing cylinders (5c) are arranged in a correlation manner, the two pushing cylinders (5c) are fixedly mounted on the connecting plate (4c) through the supporting frame of the pushing cylinders (5c), and the output end of each pushing cylinder (5c) is connected with the scraper (5b) through a floating joint, the sum of the strokes of the two pushing cylinders (5c) is larger than the length of the material collecting box (3).
8. The PCB printing equipment according to claim 7, wherein the collecting mechanism (7) comprises a collecting box (7a), a bottom supporting plate (7b) and two side supporting plates (7c), the collecting box (7a) is positioned below the leakage hole (1a), the bottom supporting plate (7b) is positioned at the bottom of the collecting box (7a), the top of the bottom supporting plate (7b) is attached to the bottom of the collecting box (7a), the two side supporting plates (7c) are positioned at two sides of the bottom supporting plate (7b), the two side supporting plates (7c) are fixedly connected with the bottom supporting plate (7b), and a second handle (7d) is fixedly arranged at one side of the collecting box (7 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020915179.4U CN212889374U (en) | 2020-05-25 | 2020-05-25 | Circuit board printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020915179.4U CN212889374U (en) | 2020-05-25 | 2020-05-25 | Circuit board printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212889374U true CN212889374U (en) | 2021-04-06 |
Family
ID=75265802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020915179.4U Expired - Fee Related CN212889374U (en) | 2020-05-25 | 2020-05-25 | Circuit board printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212889374U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117998762A (en) * | 2024-03-21 | 2024-05-07 | 上海展华电子(南通)有限公司 | Circuit board solder resist printing primary and secondary frame |
| CN118102613A (en) * | 2024-04-01 | 2024-05-28 | 上海展华电子(南通)有限公司 | Circuit board solder resist printing transfer frame |
-
2020
- 2020-05-25 CN CN202020915179.4U patent/CN212889374U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117998762A (en) * | 2024-03-21 | 2024-05-07 | 上海展华电子(南通)有限公司 | Circuit board solder resist printing primary and secondary frame |
| CN118102613A (en) * | 2024-04-01 | 2024-05-28 | 上海展华电子(南通)有限公司 | Circuit board solder resist printing transfer frame |
| CN118102613B (en) * | 2024-04-01 | 2024-08-30 | 上海展华电子(南通)有限公司 | Circuit board solder resist printing transfer frame |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 |