CN216683681U - Screen printing machine - Google Patents

Abstract

The utility model belongs to the technical field of printing machine equipment technique and specifically relates to a screen printing machine is related to, comprises a workbench, be provided with printing mechanism on the workstation, but be provided with supporting component along perpendicular to mesa direction liftable on the workstation, be provided with the centre gripping on the workstation upper surface and treat the centre gripping subassembly of printing, be provided with on the centre gripping subassembly and will treat the transmission subassembly that printing transmitted to the supporting component top, the supporting component is located between the transmission subassembly, be provided with the discernment on the centre gripping subassembly and treat a plurality of response piece of printing position, this application has more accurate effect of printing to the circuit board.

Description

Screen printing machine

Technical Field

The application relates to the technical field of printing machine equipment, in particular to a screen printing machine.

Background

Before the advent of printed circuit boards, interconnections between electronic components were completed by direct wire connections. In the beginning of the 20 th century, in order to simplify the fabrication of electronic devices, reduce the number of wires between electronic components, and reduce the fabrication cost, efforts have been made to replace the wires by printing, thereby producing printed circuit boards.

At present, most of printed circuit boards adopt a screen printing mode, but before printing, people look at the mounting position of a printing plate through eyes to mount the printing plate on a printing area by using the existing printing machine, but the method is not accurate, the situations of printing position errors and the like often occur, the printing of the circuit board fails, the waste of raw materials is caused, and a part to be improved exists.

SUMMERY OF THE UTILITY MODEL

The application provides a screen printer for more accurate printing of circuit boards.

The application provides a screen printing machine adopts following technical scheme:

the utility model provides a screen printing machine, includes the workstation, be provided with printing mechanism on the workstation, but be provided with supporting component along perpendicular to mesa direction liftable on the workstation, be provided with the centre gripping subassembly that the printing piece was treated to the centre gripping on the workstation upper surface, be provided with on the centre gripping subassembly and wait to print the transmission subassembly that transmits to the supporting component top, the supporting component is located between the transmission subassembly, be provided with a plurality of response piece that the printing piece position was treated in the discernment on the centre gripping subassembly.

Through adopting above-mentioned technical scheme, during the printing, will treat that the printing piece is placed and treat the printing piece and transmit on the transmission assembly, the centre gripping subassembly realizes treating the centre gripping of printing piece spacing, detect the position of treating the printing piece through a plurality of response key, when reacing directly over the supporting component, the transmission assembly stops the function, the supporting component rises, will treat that the printing piece lifts up until with printing mechanism butt, thereby the completion is to the printing of taking the printing piece, realize the location lifting through treating the printing piece of a plurality of inductor and supporting component, and then more accurate prints the circuit board.

Optionally, the clamping assembly comprises a plurality of supporting seats fixedly arranged on the upper surface of the workbench, a first clamping plate fixed on the plurality of supporting seats, a plurality of guide columns fixed on one side of the first clamping plate, and a second clamping plate arranged on the plurality of guide columns in a sliding manner, and the printing part is clamped between the first clamping plate and the second clamping plate.

Through adopting above-mentioned technical scheme, treat through first grip block and second grip block that the printing piece carries out the centre gripping spacing, the second grip block that slides the setting has realized the interval adjustment of centre gripping subassembly to can be used for the not equidimension piece of treating printing of centre gripping.

Optionally, the transmission assembly comprises a first transmission module arranged on the side wall of one side of the second clamping plate and towards the first clamping plate, a second transmission module arranged on the side wall of one side of the first clamping plate and towards the second clamping plate, and a power module for driving the first transmission module and the second transmission module to synchronously transmit, and the piece to be printed is arranged on the first transmission module and the second transmission module.

Through adopting above-mentioned technical scheme, set up first transmission module on first grip slipper, set up second transmission module on the second grip slipper, realized the separately setting of transmission subassembly when treating the printing piece for realizing the transmission to realized that the interval of grip subassembly is adjustable, the power module is used for providing power for first transmission module and second transmission module.

Optionally, the printing mechanism includes a frame, a brushing assembly slidably disposed on the frame, a driving assembly for driving the brushing assembly to slide, and a screen printing plate assembly disposed on the frame, and the screen printing plate assembly is located below the brushing assembly.

Through adopting above-mentioned technical scheme, apply paint the subassembly with a brush and be used for treating the printing piece and print, drive assembly is used for driving and applies paint the subassembly with a brush and slide and then accomplish the printing of treating the printing piece for the printing of treating the printing piece is more even, sparingly plays the effect of sparingly raw materials simultaneously.

Optionally, the brushing assembly comprises a sliding block sliding on the frame, a mounting seat arranged on the sliding block, two clamping seats symmetrically arranged on the mounting seat, and a scraping plate sliding in the clamping seats, and the scraping plate slides in a direction close to or far away from the screen printing assembly.

Through adopting above-mentioned technical scheme, the slider is used for being connected with drive assembly, realizes that drive assembly drives to apply paint the subassembly with a brush and slide, through mount pad and holder installation scraper blade, and the scraper blade that slides the setting has realized the regulation to scraper blade high position, reaches the effect of control printing dynamics to reach required printing quality.

Optionally, one side of the scraper facing the screen printing plate assembly is inclined, and the inclination directions of the two scrapers are opposite.

Through adopting above-mentioned technical scheme, the scraper blade that the slope set up makes the scraper blade more smooth and easy that slides at the printing in-process, has reduced simultaneously and has produced the crooked and make scraping of printing agent get the insufficient condition on the front end edge of scraper blade main part, and has reduced the frequency of the change of scraper blade main part, has practiced thrift the cost, simultaneously through two link plates opposite in the slope direction for the printing of treating the printing piece is more even, makes the work piece quality of having printed higher.

Optionally, a side of the squeegee facing the screen printing plate assembly is provided with a resilient member.

Through adopting above-mentioned technical scheme, during the printing, be provided with the elastic component in one side of scraper blade towards silk screen printing plate subassembly, reduced the scraper blade printing in-process and caused the possibility of treating the printing part damage.

Optionally, the bottom of the workbench is provided with a plurality of universal wheels with brakes.

Through adopting above-mentioned technical scheme, during the printing, treat that the printing piece is mostly piled up and is placed, it is comparatively hard during the transport, consequently promote screen printing machine more convenient through the universal wheel, remove the completion back, carry out the rigidity to the extroversion wheel through the brake, and then accomplish the printing once more, convenient and fast.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the workpiece to be printed is positioned in a transmission mode through the induction part, the clamping assembly, the transmission assembly and the supporting assembly, and then printing is completed, so that the workpiece to be printed is fixed in position at each time, the circuit board is printed more accurately, and the possibility of waste of raw materials is reduced.

2. Through slope setting and height-adjustable's scraper blade for treat the printing of printing more even, make the work piece quality of having printed higher simultaneously.

3. Through the universal wheel of area brake, when treating that the machined part becomes to stack and put and be difficult to the transport, realize that screen printing machine's position is adjustable for treat the printing of machined part convenient and fast more.

Drawings

Fig. 1 is an axis view showing an entire mechanism of a screen printer in an embodiment of the present application.

Fig. 2 is a schematic structural diagram showing a structure of a driving assembly in the embodiment of the present application.

Fig. 3 is an axial view showing the overall structure of the brush assembly in the embodiment of the present application.

Fig. 4 is an axial view mainly showing the structure of the screen printing plate assembly in the embodiment of the present application.

Fig. 5 is an axial view mainly showing the overall structure of the support member in the embodiment of the present application.

Fig. 6 is an axial view showing the overall structure of the clamping assembly and the transfer assembly in the embodiment of the present application.

Reference numerals are as follows: 1. a work table; 2. a printing mechanism; 21. a frame; 211. a support pillar; 212. mounting a plate; 22. a drive assembly; 221. a transmission case; 222. a motor; 223. a screw; 224. a nut; 225. a slide base; 226. a slide rail; 227. a first drive pulley; 228. a second transmission wheel; 229. a transmission belt; 23. brushing the component; 231. a slider; 232. a mounting seat; 233. a holder; 234. a squeegee; 2341. a fixed part; 2342. an inclined portion; 24. a screen printing plate assembly; 241. a slideway; 242. a sliding block; 243. mounting blocks; 244. a wire mesh frame; 3. a first rotating base; 4. a second rotating base; 5. a sliding seat; 6. a chute; 7. a connecting seat; 8. screwing the bolt by hand; 9. an avoidance groove; 10. a displacement slot; 11. positioning holes; 12. positioning a bolt; 13. caulking grooves; 14. a gasket; 15. locking the bolt; 16. a containing groove; 17. a support assembly; 171. a screw rod double-guide rail linear module sliding table; 172. a support table; 173. a support block; 18. a clamping assembly; 181. a supporting seat; 182. a first clamping plate; 183. a guide post; 184. a second clamping plate; 19. a sliding sleeve; 20. a transmission assembly; 201. a first transmission module; 202. a second transmission module; 203. a power module; 30. a sensing member; 31. a universal wheel; 32. a baffle plate; 33. a groove is arranged in a penetrating way; 34. and (6) sliding holes.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a screen printing machine.

Referring to fig. 1, a screen printing machine includes a table 1, and a printing mechanism 2, a supporting assembly 17, a clamping assembly 18, a transferring assembly 20, and a sensing member 30 are disposed on the table 1.

Referring to fig. 1 and 2, the printing mechanism 2 includes a frame 21 and a driving assembly 22, the frame 21 includes two supporting columns 211 and two mounting plates 212, the two supporting columns 211 are symmetrically welded on one side of the upper surface of the workbench 1, the mounting plates 212 are welded on the side walls of the two supporting columns 211 on the side far away from the workbench 1, the mounting plates 212 are located on the side of the two supporting columns 211 close to the side walls of the workbench 1, and the driving assembly 22 is fixedly provided on the side of the mounting plates 212 facing the mounting columns.

Referring to fig. 1 and 2, in this embodiment, the driving assembly 22 includes a transmission case 221, a motor 222, a sliding seat 225 and a sliding rail 226, the transmission case 221 is welded on the mounting plate 212, and the transmission case 221 is disposed near one of the supporting columns 211, the transmission case 221 is disposed in a hollow manner, the motor 222 is fixed on a side wall of the transmission case 221 far away from the workbench 1 through a bolt, an output shaft of the motor 222 extends into an inner cavity of the transmission case 221, the sliding seat 225 is fixed on the mounting plate 212 through a bolt, the sliding seat 225 is located below the motor 222, and one end of the sliding seat 225 abuts against a side wall of the transmission case 221. The other end of the sliding rail is abutted against the side wall of the other supporting column 211, and the sliding rails 226 are symmetrically arranged and installed on the side wall of the sliding seat 225 departing from the installation plate 212.

Referring to fig. 2, the drive assembly 22 further includes a screw 223 and a nut 224, the device comprises a first transmission wheel 227, a second transmission wheel 228 and a transmission belt 229, wherein a first rotating seat 3 and a second rotating seat 4 are installed on one side, away from the mounting plate 212, of the sliding seat 225, the first rotating seat 3 is located between one end, close to the transmission box 221, of the sliding rail 226 and the transmission box 221, the second rotating seat 4 is located between the other end of the sliding rail 226 and a supporting column 211, far away from the transmission box 221, a screw 223 is rotatably arranged between the first rotating seat 3 and the second rotating seat 4, a nut 224 is in threaded connection with the screw 223 and located between the first rotating seat 3 and the second rotating seat 4, one end, close to the first rotating seat 3, of the screw 223 extends into an inner cavity of the transmission box 221, the first transmission wheel 227 is sleeved on the outer wall, extending into the transmission box 221, of an output shaft of the motor 222, the screw 223 is sleeved on the outer wall, the second transmission wheel 228 is sleeved on the outer wall, and a transmission belt 229 is wound on the first transmission wheel 227 and the second transmission wheel 228.

Referring to fig. 1 and 2, the baffle 32 is disposed on the side of the first rotating base 3 and the second rotating base 4 away from the mounting plate 212, and the parts in the driving assembly 22 are shielded by the baffle 32, so that the screen printing machine is more attractive as a whole.

Referring to fig. 1 and 3, the printing mechanism 2 further includes a painting assembly 23, the painting assembly 23 includes a sliding block 231, a nut 224 is inserted into the sliding block 231, a plurality of sliding seats 5 are installed on a side wall of the sliding block 231 facing the sliding rail 226, the sliding seats 5 are slidably disposed on the sliding rail 226, a first driving wheel 227 is driven to rotate by the motor 222, the first driving wheel 227 drives a second driving wheel 228 to rotate by a driving belt 229, so as to drive the lead screw to rotate, the nut 224 converts rotation of the lead screw 223 into linear motion on the lead screw 223, so as to drive the sliding block 231 to slide, and meanwhile, a through groove 33 avoiding the baffle 32 is formed in the sliding block 231.

Referring to fig. 1 and 3, apply paint subassembly 23 and still include mount pad 232 and holder 233, mount pad 232 passes through connecting piece fixed connection with slider 231, holder 233 passes through the bolt symmetry and fixes in one side of mount pad 232 towards workstation 1, spout 6 has been seted up towards one side of workstation 1 to holder 233, it has connecting seat 7 to slide in the spout 6, the one side symmetry that holder 233 deviates from workstation 1 is provided with hand-screwed bolt 8, hand-screwed bolt 8 and holder 233 threaded connection, hand-screwed bolt 8 one end is stretched into in spout 6 and is rotated with connecting seat 7 and be connected, thereby realize that connecting seat 7 slides in spout 6.

Referring to fig. 3, in this embodiment, brush assembly 23 further includes two scrapers 234, scraper 234 includes fixed part 2341 and rake 2342, fixed part 2341 sets up with rake 2342 integrated into one piece, fixed part 2341 passes through bolt fixed connection on connecting seat 7 towards one side lateral wall of workstation 1, rake 2342 stretches out connecting seat 7 and sets up towards one side of workstation 1, and rake 2342 incline direction of two link plates is opposite, the scraper 234 that the slope set up makes scraper 234 more smooth and easy that slides in printing process, two link plates opposite in incline direction, make the printing of treating the printing piece more even, make the work piece quality of having printed higher.

Referring to fig. 1 and 4, the printing mechanism 2 further includes a screen printing plate assembly 24, the screen printing plate assembly 24 includes a slideway 241, a sliding block 242, the slideway 241 is welded on one side of the mounting plate 212 facing the supporting column 211 and located below the sliding seat 225, the sliding block 242 is slidably mounted on the slideway 241, the sliding block 242 is provided with an avoiding groove 9 facing one side of the sliding seat 225, the slideway 241 is embedded in the avoiding groove 9, the slideway 241 is provided with a displacement groove 10 facing one side wall of the sliding block 242, the sliding block 242 is provided with a positioning hole 11, a positioning bolt 12 is arranged in the positioning hole 11, one end of the positioning bolt 12 extending into the sliding block 242 is abutted against the inner wall of the sliding groove, and slidable fixation of the sliding block 242 on the slideway 241 is realized.

Referring to fig. 4, the screen printing plate assembly 24 further includes an installation block 243 and a screen frame 244, an insertion groove 13 is formed in one side of the sliding block 242 away from the installation plate 212, the installation block 243 is inserted into the insertion groove 13, in this embodiment, two sliding blocks 242 and two installation blocks 243 are installed, two installation grooves 16 are symmetrically formed in the opposite side walls of the two installation blocks 243, one side of the installation groove 16 away from the installation plate 212 is provided with an opening, the screen frame 244 is inserted into the installation groove 16, the screen frame 244 is rectangular in this embodiment, one side of the installation block 243 away from the workbench 1 is in threaded connection with a locking bolt 15, one end of the locking bolt 15 extends into the installation groove 16, one end of the locking bolt 15 extending into the installation groove 16 is integrally formed with a gasket 14, the gasket 14 is abutted against the side wall of one side of the screen frame 244 away from the workbench 1, and installation and fixation of the screen frame 244 are achieved.

Referring to fig. 5, the supporting component 17 includes ball screw double-guide rail linear module slip table 171, a supporting table 172 and a supporting block 173, the ball screw double-guide rail linear module slip table 171 is installed below the table surface of the workbench 1, and the guide rail is perpendicular to the table surface of the workbench 1, the supporting table 172 is installed on the slip table of the ball screw double-guide rail linear module slip table 171, the supporting table 172 stretches out the upper surface of the workbench 1 towards one side of the table surface of the workbench 1, the supporting block 173 is welded on the upper surface of the workbench 1 stretched out from the supporting table 172, and the supporting block 173 is located under the screen frame 244, the sliding hole 34 for the supporting table 172 and the supporting block 173 to slide up and down is provided on the table surface of the workbench 1.

Referring to fig. 1 and 6, the clamping assembly 18 includes two supporting seats 181, a first clamping plate 182, two guiding columns 183 and a second clamping plate 184, in this embodiment, the two supporting seats 181 are welded on the upper surface of the worktable 1 and located on a side of the supporting assembly 17 away from the mounting plate 212, one supporting seat 181 is located near the supporting block 173, the other supporting seat 181 is located far away from the supporting block 173 and near a side wall of the worktable 1, the first clamping plate 182 is welded on a side wall of the supporting seat 181 away from the worktable 1, the guiding columns 183 are welded on a side wall of the first clamping plate 182 facing the mounting plate 212, and the two guiding columns 183 are provided, the second clamping plate 184 is slidably disposed on the guiding columns 183 through a sliding sleeve 19, clamping of the member to be printed is realized through the first clamping plate 182 and the second clamping plate 184, the spacing of the clamping assembly 18 is adjustable by the slidably disposed second clamping plate 184, thereby being suitable for the pieces to be printed with different widths.

Referring to fig. 1 and 6, the conveying assembly 20 includes a first conveying module 201, a second conveying module 202, and a power module 203, the first conveying module 201 is mounted on a side wall of the first clamping plate 182 facing the second clamping plate 184, the second conveying module 202 is mounted on a side wall of the second clamping plate 184 facing the first clamping plate 182, in this embodiment, the first conveying module 201 and the second conveying module 202 both use a belt transmission mechanism, the power module 203 is used for driving the first conveying module 201 and the second conveying module 202 to move synchronously, and the member to be printed is erected on the first conveying module 201 and the second conveying module 202, so as to realize sliding movement of the member to be printed along the length direction of the clamping assembly 18.

Referring to fig. 1, the sensing member 30 is an infrared inductor, the sensing member 30 is provided with threely in this embodiment, the sensing member 30 is installed on the lateral wall of one side that workstation 1 was kept away from to first grip block 182, and three sensor evenly sets up along supporting shoe 173 length direction interval, treat the distance of printing a transmission through three sensor and monitor, thereby the relative position of printing piece and supporting shoe 173 is treated in the control, when treating that the printing piece reachs suitable position, the sensor sends the opening and close of signal control power module 203, and then the completion is treated the feeding of printing piece, printing and unloading.

Referring to fig. 1, workstation 1 is whole squarely in this embodiment, and four corners of workstation 1 lower surface all are provided with the universal wheel 31 of taking the brake, through taking brake universal wheel 31, when treating that the machined part becomes to stack and puts and be difficult to the transport, realizes that screen printing machine's position is adjustable for treat the printing of machined part convenient and fast more.

The implementation principle of the screen printing machine in the embodiment of the application is as follows: when a printing piece needs to be treated and printed, a worker places the printing piece on the first transmission module 201 and the second transmission module 202 which move synchronously, the first transmission module 201 and the second transmission module 202 drive the printing piece to slide towards the direction close to the supporting component 17, the printing piece is simultaneously treated through the clamping component 18 to be limited, the sliding process detects the length and the sliding distance of the printing piece through the induction component 30, the opening and closing of the electric signal control power module 203 is transmitted through the induction component 30, and therefore the printing piece is conveyed to the appropriate position above the supporting component 17.

Treat that the printing reaches suitable back, ball screw double-guide rail straight line module slip table 171 starts to drive supporting bench 172 and supporting shoe 173 slowly and rises until will treating that the printing supports tightly on screen frame 244 diapire, and the starter motor 222 is treated the printing through printing mechanism 2 this moment and is printed, and then keeps each work piece that has printed and can both accurately print.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A screen printing machine comprising a table (1), characterized in that: be provided with printing mechanism (2) on workstation (1), it is provided with supporting component (17) to go up along perpendicular to mesa direction liftable on workstation (1), be provided with centre gripping subassembly (18) that the centre gripping was waited to print on workstation (1) the upper surface, be provided with on centre gripping subassembly (18) and wait to print transmission to supporting component (17) top transmission assembly (20), supporting component (17) are located between transmission assembly (20), be provided with a plurality of response piece (30) that the discernment was waited to print the position on centre gripping subassembly (18).

2. The screen printing machine according to claim 1, wherein: the clamping assembly (18) comprises a plurality of supporting seats (181) fixedly arranged on the upper surface of the workbench (1), a first clamping plate (182) fixed on the plurality of supporting seats (181), a plurality of guide columns (183) fixed on one side of the first clamping plate (182), and a second clamping plate (184) slidably arranged on the plurality of guide columns (183), wherein a part to be printed is clamped between the first clamping plate (182) and the second clamping plate (184).

3. The screen printing machine according to claim 2, wherein: the transmission assembly (20) comprises a first transmission module (201) arranged on the side wall of one side of the first clamping plate (182) facing the second clamping plate (184), a second transmission module (202) arranged on the side wall of one side of the second clamping plate (182) facing the second clamping plate, and a power module (203) for driving the first transmission module (201) and the second transmission module (202) to synchronously transmit, wherein a member to be printed is arranged on the first transmission module (201) and the second transmission module (202).

4. The screen printing machine according to claim 1, wherein: the printing mechanism (2) comprises a machine frame (21), a brushing component (23) arranged on the machine frame (21) in a sliding mode, a driving component (22) for driving the brushing component (23) to slide, and a screen printing plate component (24) arranged on the machine frame (21), wherein the screen printing plate component (24) is located below the brushing component (23).

5. The screen printing machine according to claim 4, wherein: the painting component (23) comprises a sliding block (231) sliding on the frame (21), a mounting seat (232) arranged on the sliding block (231), two clamping seats (233) symmetrically arranged on the mounting seat (232) and a scraping plate (234) sliding in the clamping seats (233), wherein the scraping plate (234) slides in a direction close to or far away from the silk screen printing component.

6. The screen printing machine according to claim 5, wherein: the scrapers (234) are arranged obliquely towards one side of the screen printing plate assembly (24), and the inclination directions of the two scrapers (234) are opposite.

7. The screen printing machine according to claim 5, wherein: the side of the squeegee (234) facing the screen printing plate assembly (24) is provided with a resilient member.

8. The screen printing machine according to claim 1, wherein: the bottom of the workbench (1) is provided with a plurality of universal wheels (31) with brakes.

Images