Automatic cleaning and ink feeding equipment for silk screen plate for PCB (Printed Circuit Board)

Abstract

The utility model relates to the technical field of silk-screen processing equipment of silk-screen screens for PCBs (printed circuit boards), in particular to automatic cleaning and inking equipment of the silk-screen screens for the PCBs, which is characterized in that when the automatic cleaning and inking equipment is used, the screens are conveyed to a position below a screen clamping mechanism by a screen reciprocating conveying mechanism and a carrier; then the lifting driving mechanism and the screen plate clamping mechanism are matched for clamping and driving the screen plate to ascend and descend, the multi-axis robot and the non-woven fabric wiping mechanism are matched for wiping the screen plate, and then the multi-axis robot and the barrel clamping mechanism are matched for clamping and turning over the printing ink barrel for printing ink on the screen plate; therefore, the mechanical operation of wiping the screen printing screen plate by the non-woven fabric and printing ink on the screen plate is realized, the labor is saved, and the treatment efficiency is improved; when ink of a non-woven fabric / ink barrel of the non-woven fabric wiping mechanism needs to be fed and discharged, the feeding and discharging driving mechanism conveys the non-woven fabric wiping mechanism and the ink barrel to the feeding and discharging end, and therefore the non-woven fabric / ink can be replaced manually more easily.

Description

TECHNICAL FIELD

[0001] The utility model relates to the silk screen printing treatment equipment technical field of silk screen printing plate for PCB board, specifically related to a kind of automatic cleaning and ink feeding equipment of silk screen printing plate for PCB board. BACKGROUND

[0002] PCB printing, also known as circuit board printing, is a very developed new industry today, and the rapid development of screen printing has injected vitality into this industry and brought major changes to the electronics industry. The current screen printing process can fully adapt to high-density PCB production. The screen is the most important component in screen printing plate making, and it is the key to controlling ink flowability and printing thickness, and it determines the durability of the screen. In addition, the excellent combination of screen and screen photosensitive material is also an important factor in making high-quality and high-precision screen printing plates. In order to ensure good combination of screen and photosensitive material, the traditional method is to roughen and degrease the new screen, which ensures the quality of the screen and extends the service life of the screen.

[0003] After the silk screen printing plate for PCB board is used, the ink on the surface of the screen needs to be removed to allow it to be used for printing again. The existing ink removal and ink feeding method for the screen uses multiple non-woven cloths to wipe the screen printing plate by hand, and then manually pours ink onto the screen. The labor intensity is high and the efficiency is low. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide an automatic cleaning and ink feeding equipment for a silk screen printing plate for a PCB board.

[0005] The utility model discloses a kind of automatic cleaning and ink feeding equipment for silk screen printing plate for PCB board, including working rack, with the adjacent multiple-axis robot of working rack, with the adjacent upper and lower material driving mechanism of working rack, with the screen plate reciprocating conveying mechanism connected with working rack, with the output end of screen plate reciprocating conveying mechanism Connection carrier, with the output end of lifting driving mechanism being connected with lifting driving mechanism and being far from the upper and lower material end of screen plate reciprocating conveying mechanism, with the output end of screen plate clamping mechanism being connected with lifting driving mechanism, ink barrel is limit placed in the output end of upper and lower material driving mechanism, non-woven cloth wiping mechanism is limit placed in the output end of upper and lower material driving mechanism, and bucket clamping mechanism is limit placed in the output end of upper and lower material driving mechanism.

[0006] The screen plate reciprocating conveying mechanism and the carrier are used for reciprocating conveying the screen plate, the lifting driving mechanism and the screen plate clamping mechanism are used for clamping and driving the screen plate to lift, the multiple-axis robot is used for wiping the screen plate with the non-woven cloth wiping mechanism and clamping and overturning the ink barrel with the bucket clamping mechanism to feed ink to the screen plate, and the upper and lower material driving mechanism is used for reciprocating conveying the non-woven cloth wiping mechanism and the ink barrel.

[0007] Preferably, the output end of the multi-axis robot is fixedly connected with an R-side robot quick-change disc, the non-woven fabric wiping mechanism is fixedly connected with a first T-side robot quick-change disc which is quickly connected with the R-side robot quick-change disc, and the barrel clamping mechanism is fixedly connected with a second T-side robot quick-change disc which is quickly connected with the R-side robot quick-change disc.

[0008] Preferably, the non-woven fabric wiping mechanism comprises a stand, a driving transmission mechanism fixedly connected with the stand, a material roll pressing roller assembly fixedly connected with the stand, and a non-woven fabric unwinding roller, a first guide roller, a length measuring roller, a second guide roller, a lifting wiping assembly and a non-woven fabric winding roller which are sequentially arranged along the conveying direction of the non-woven fabric, the non-woven fabric unwinding roller, the first guide roller, the length measuring roller, the second guide roller and the non-woven fabric winding roller are all rotationally connected to one side of the stand, the driving transmission mechanism is in transmission connection with the first guide roller and is used to drive the length measuring roller to rotate and drive the non-woven fabric winding roller to rotate, the material roll pressing roller assembly is used to press the non-woven fabric material of the length measuring roller, the lifting wiping assembly is fixedly connected with the stand and is used to press down the non-woven fabric, and the first T-side robot quick-change disc is fixedly connected to the other side of the stand.

[0009] Preferably, the length measuring roller is provided with a first annular transmission groove on the side close to the stand, the non-woven fabric winding roller is provided with a second annular transmission groove on the side close to the stand, the driving transmission mechanism comprises a motor frame connected to the other side of the stand, a driving motor fixedly connected with the motor frame, and a transmission belt sleeved between the first annular transmission groove and the second annular transmission groove, the output end of the driving motor is in transmission connection with the length measuring roller, and the transmission belt is used for transmission between the length measuring roller and the non-woven fabric winding roller; the material roll pressing roller assembly comprises a first air cylinder fixedly connected with the bottom of the stand, a first roller frame connected with the output end of the first air cylinder, and a pressing roller rotationally connected with the first roller frame and arranged adjacent to the length measuring roller, and the pressing roller cooperates with the length measuring roller to press the non-woven fabric material.

[0010] Preferably, the lifting wiping assembly comprises a second air cylinder fixedly connected to the other side of the stand, a support plate fixedly connected with the output end of the second air cylinder, a second roller frame fixedly connected with the bottom of the support plate, a third guide roller rotationally connected with the side of the second roller frame away from the second guide roller, a clamping plate connected with the side of the second roller frame close to the second guide roller, and a spraying plate clamped between the clamping plate and the second roller frame, the second guide roller, the second roller frame, the third guide roller and the non-woven fabric winding roller are sequentially arranged along the conveying direction of the non-woven fabric, the bottom of the spraying plate is provided with a plurality of spraying holes which are spaced apart and interconnected, the side wall of the spraying plate is connected with a liquid inlet interface which is in communication with the spraying holes, and the bottom surface of the spraying plate is a wiping plane.

[0011] Preferably, the barrel clamping mechanism comprises an I-shaped connecting column, a first cylinder seat connected to the bottom of the I-shaped connecting column, a pneumatic finger connected to the first cylinder seat, and two clamping jaws respectively connected to two finger ends of the pneumatic finger, and the second T-side robot quick-change disc is fixedly connected to the top of the I-shaped connecting column; the outer sidewall of the ink barrel is fixedly sleeved with two spaced limiting rings, and when the two clamping jaws are clamped on the outer wall of the ink barrel, the two clamping jaws are located between the two limiting rings.

[0012] Preferably, the feeding and discharging driving mechanism comprises a feeding and discharging workbench, a Y-axis linear module connected to the feeding and discharging workbench, a fixed plate connected to the output end of the Y-axis linear module, and a support frame fixedly connected to one end of the fixed plate, the top surface of the fixed plate protrudes a first limiting assembly for limiting cooperation with the ink barrel, the support frame is connected with a second limiting assembly for limiting cooperation with the non-woven fabric wiping mechanism, and the top of the support frame is connected with a third limiting assembly for limiting cooperation with the barrel clamping mechanism.

[0013] Preferably, the bottom of the ink barrel is provided with a first clamping groove, the first limiting assembly comprises a first clamping block protruding from the top surface of the fixed plate and a plurality of second clamping blocks annularly and spacedly arranged on the fixed plate, the first clamping block is used for clamping cooperation with the first clamping groove, and the plurality of second clamping blocks are used for abutting against the outer sidewall of the ink barrel; the bottom of the stand is provided with a second clamping groove and a first guide clamping hole, the second limiting assembly comprises a third clamping block and a first guide column both connected to the support frame, the third clamping block is used for clamping cooperation with the second clamping groove, and the first guide clamping hole is used for guide plug-in cooperation with the first guide column; the third limiting assembly comprises a clamping plate connected to the top of the support frame and a clamping column connected to the top of the clamping plate, the middle part of the I-shaped connecting column has an annular groove, one end of the clamping plate away from the support frame is provided with a U-shaped notch for clamping cooperation with the annular groove of the I-shaped connecting column, the top wall of the annular groove of the I-shaped connecting column is provided with a third clamping groove for clamping cooperation with the clamping column, and the sum of the height of the clamping plate and the height of the clamping column is less than the height of the annular groove.

[0014] The utility model discloses an automatic cleaning and ink feeding equipment for silk screen printing plate of PCB, which comprises a working rack, a multi-axis robot arranged adjacent to the working rack, a feeding and discharging driving mechanism arranged adjacent to the working rack, a screen plate reciprocating conveying mechanism connected with the working rack, a carrier connected with the output end of the screen plate reciprocating conveying mechanism, a lifting driving mechanism connected with the working rack and away from the feeding and discharging end of the screen plate reciprocating conveying mechanism, a screen plate clamping mechanism connected with the output end of the lifting driving mechanism, an ink barrel placed on the output end of the feeding and discharging driving mechanism, a non-woven fabric wiping mechanism placed on the output end of the feeding and discharging driving mechanism, and a barrel clamping mechanism placed on the output end of the feeding and discharging driving mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic diagram of the non-woven fabric wiping mechanism of the utility model;

[0016] Figure 2 is a structural schematic diagram of the non-woven fabric wiping mechanism of the utility model;

[0017] Figure 3 is a structural schematic diagram of the non-woven fabric wiping mechanism of the utility model;

[0018] Figure 4 is a structural schematic diagram of the non-woven fabric wiping mechanism of the utility model;

[0019] Figure 5 is a structural schematic diagram of the non-woven fabric wiping mechanism of the utility model;

[0020] Figure 6 is a structural schematic diagram of the non-woven fabric wiping mechanism, the barrel clamping mechanism and the ink barrel of the utility model;

[0021] Figure 7 is a structural schematic diagram of the working rack and the lifting driving mechanism of the utility model;

[0022] Figure 8 Figure 3 is an exploded partial schematic view of the working rack and the lifting driving mechanism.

[0023] Reference signs are as follows:

[0024] 1. Multi-axis robot;

[0025] 2. Screen plate reciprocating conveying mechanism;

[0026] 3. Carrier;

[0027] 4. Working rack; 41, first foot; 42, first cross beam; 43, first rack plate;

[0028] 5. Feeding and discharging driving mechanism; 51, feeding and discharging workbench; 52, Y-axis linear module; 53, fixed plate; 54, support frame;

[0029] 6. Lifting driving mechanism; 61, first bearing with seat; 62, second bearing with seat; 63, servo reduction motor; 64, driving gear; 65, driven gear; 66, first transmission shaft; 67, first bevel gear; 68, second bevel gear; 69, first transmission gear; 610, first linear bearing; 611, lifting rack; 612, top supporting plate; 613, second transmission shaft;

[0030] 7. Screen plate clamping mechanism;

[0031] 8. Non-woven fabric wiping mechanism; 81, stand; 82, driving transmission mechanism; 821, motor frame; 822, driving motor; 823, transmission belt; 83, material roll pressing roller assembly; 831, first cylinder; 832, first roller frame; 833, pressing roller; 84, non-woven fabric unwinding roller; 85, first guide roller; 86, length measuring roller; 87, second guide roller; 88, lifting wiping assembly; 881, second cylinder; 882, supporting plate; 883, second roller frame; 884, third guide roller; 885, clamping plate; 886, spraying plate; 89, non-woven fabric winding roller; 810, liquid spraying gun;

[0032] 9. Barrel clamping mechanism; 91, I-shaped connecting column; 92, first cylinder seat; 93, pneumatic finger; 94, clamping jaw;

[0033] 10. Ink barrel;

[0034] 11. R-side robot quick change disc;

[0035] 12. First T-side robot quick change disc;

[0036] 13. Second T-side robot quick change disc;

[0037] 14. First annular transmission groove;

[0038] 15. Second annular transmission groove;

[0039] 16. Spray hole;

[0040] 17. Liquid inlet interface;

[0041] 18. Limiting ring;

[0042] 19. First limiting assembly; 191. First clamping block; 192. Second clamping block;

[0043] 20. Second limiting assembly; 201. Third clamping block; 202. First guide column;

[0044] 21. Third limiting assembly; 211. Clamping plate; 212. Clamping column;

[0045] 22. First clamping groove;

[0046] 23. Second clamping groove;

[0047] 24. First guide clamping hole;

[0048] 25. Annular groove;

[0049] 26. U-shaped notch;

[0050] 27. Third clamping groove;

[0051] 28. Yielding notch. DETAILED DESCRIPTION

[0052] In order to facilitate the understanding of those skilled in the art, the present application will be further described below in conjunction with the embodiments and drawings. The content mentioned in the embodiments is not a limitation of the present application.

[0053] As shown in Figures 1-8 A kind of automatic cleaning and ink feeding equipment of silk-screen plate for PCB, including work rack 4, with the work rack 4 adjacent setting multi-axis robot 1, with the work rack 4 adjacent setting feeding and discharging drive mechanism 5, with the work rack 4 connection net plate reciprocating conveying mechanism 2, with the output end of net plate reciprocating conveying mechanism 2 connection carrier 3, with the work rack 4 connection and away from the feeding and discharging end of net plate reciprocating conveying mechanism 2 lifting drive mechanism 6, with the output end of lifting drive mechanism 6 connection net plate clamping mechanism 7, limiting placement in the output end of feeding and discharging drive mechanism 5 ink barrel 10, limiting placement in the output end of feeding and discharging drive mechanism 5 non-woven fabric wiping mechanism 8, and limiting placement in the output end of feeding and discharging drive mechanism 5 barrel clamping mechanism 9;

[0054] The screen plate reciprocating conveying mechanism 2 and the carrier 3 cooperate to reciprocally convey the screen plate, the lifting driving mechanism 6 and the screen plate clamping mechanism 7 cooperate to clamp and drive the screen plate to lift, the multi-axis robot 1 is used to cooperate with the non-woven fabric wiping mechanism 8 to wipe the screen plate, and cooperate with the bucket clamping mechanism 9 to clamp the ink bucket 10 to ink the screen plate, and the feeding and discharging driving mechanism 5 is used to reciprocally convey the non-woven fabric wiping mechanism 8 and the ink bucket 10.

[0055] When the automatic cleaning and ink feeding equipment for the PCB screen plate is used, the screen plate is placed on the carrier 3, the screen plate is conveyed to the lower part of the screen plate clamping mechanism 7 by the screen plate reciprocating conveying mechanism 2, then the lifting driving mechanism 6 and the screen plate clamping mechanism 7 cooperate to clamp and drive the screen plate to lift, after the screen plate is wiped by the multi-axis robot 1 cooperating with the non-woven fabric wiping mechanism 8, the multi-axis robot 1 cooperates with the bucket clamping mechanism 9 to clamp the ink bucket 10 to ink the screen plate, then the lifting driving mechanism 6 and the screen plate clamping mechanism 7 cooperate to place the screen plate back to the carrier 3, and the screen plate is conveyed away from the screen plate clamping mechanism 7 by the screen plate reciprocating conveying mechanism 2, so as to replace the next screen plate for continuous processing, so as to realize the mechanized operation of wiping the non-woven fabric screen plate and feeding ink to the screen plate, which is beneficial to save labor and improve processing efficiency; when the non-woven fabric of the non-woven fabric wiping mechanism 8 / ink of the ink bucket 10 needs to be fed and discharged, the feeding and discharging driving mechanism 5 conveys the non-woven fabric wiping mechanism 8 and the ink bucket 10 to the feeding and discharging end, so as to easily replace the non-woven fabric / ink by manual. In addition, the screen plate reciprocating conveying mechanism 2 is a synchronous belt linear module, and the screen plate clamping mechanism 7 is a cylinder type clamping mechanism, both of which are prior art and will not be described here.

[0056] Further, the output end of the multi-axis robot 1 is fixedly connected with an R-side robot quick change disc 11, the non-woven fabric wiping mechanism 8 is fixedly connected with a first T-side robot quick change disc 12 which is quickly connected with the R-side robot quick change disc 11, and the bucket clamping mechanism 9 is fixedly connected with a second T-side robot quick change disc 13 which is quickly connected with the R-side robot quick change disc 11, so that the multi-axis robot 1 can be quickly used between the non-woven fabric wiping mechanism 8 and the bucket clamping mechanism 9; in addition, the multi-axis robot 1 is a six-axis robot, which belongs to the prior art and will not be described here.

[0057] Further, the non-woven fabric wiping mechanism 8 comprises a stand 81, a driving transmission mechanism 82 fixedly connected with the stand 81, a roll assembly 83 fixedly connected with the stand 81, and a non-woven fabric unwinding roller 84, a first guide roller 85, a length counter roller 86, a second guide roller 87, a lifting wiping assembly 88 and a non-woven fabric winding roller 89 arranged in sequence along the conveying direction of the non-woven fabric, wherein the non-woven fabric unwinding roller 84, the first guide roller 85, the length counter roller 86, the second guide roller 87 and the non-woven fabric winding roller 89 are all rotationally connected to one side of the stand 81, the driving transmission mechanism 82 is in transmission connection with the first guide roller 85 and is used to drive the length counter roller 86 to rotate and drive the non-woven fabric winding roller 89 to rotate, the roll assembly 83 is used to press the non-woven fabric on the length counter roller 86, the lifting wiping assembly 88 is fixedly connected with the stand 81 and is used to press the non-woven fabric, and the first T-side robot quick-change disc 12 is fixedly connected to the other side of the stand 81. When the non-woven fabric wiping mechanism 8 is used to wipe the silk screen plate, the lifting wiping assembly 88 presses the non-woven fabric to make the non-woven fabric contact with the silk screen plate, then the length counter roller 86 and the non-woven fabric winding roller 89 are driven to rotate under the action of the driving transmission mechanism 82, the non-woven fabric is conveyed along the non-woven fabric unwinding roller 84, the first guide roller 85, the length counter roller 86, the second guide roller 87, the lifting wiping assembly 88 and the non-woven fabric winding roller 89 in sequence, thereby realizing the mechanized operation of wiping the silk screen plate with the non-woven fabric, saving labor and being conducive to improving efficiency; in addition, the roll assembly 83 presses the non-woven fabric on the length counter roller 86 so as to keep the non-woven fabric conveying process stable.

[0058] Further, the length counter roller 86 is provided with a first annular transmission groove 14 near one side of the stand 81, the non-woven fabric winding roller 89 is provided with a second annular transmission groove 15 near one side of the stand 81, the driving transmission mechanism 82 comprises a motor frame 821 connected to the other side of the stand 81, a driving motor 822 fixedly connected with the motor frame 821, and a transmission belt 823 sleeved between the first annular transmission groove 14 and the second annular transmission groove 15, the output end of the driving motor 822 is in transmission connection with the length counter roller 86, and the transmission belt 823 is used for transmission between the length counter roller 86 and the non-woven fabric winding roller 89; the roll assembly 83 comprises a first air cylinder 831 fixedly connected with the bottom of the stand 81, a first roller frame 832 connected with the output end of the first air cylinder 831, and a pressure roller 833 rotationally connected with the first roller frame 832 and arranged adjacent to the length counter roller 86, and the pressure roller 833 is used to press the non-woven fabric in cooperation with the length counter roller 86. In use, the first air cylinder 831 drives the first roller frame 832 to drive the pressure roller to be pressed on the length counter roller 86, so that the non-woven fabric conveying process between the pressure roller and the length counter roller 86 is kept stable.

[0059] Furthermore, the lifting and wiping assembly 88 includes a second cylinder 881 fixedly connected to the other side of the upright frame 81, a support plate 882 fixedly connected to the output end of the second cylinder 881, a second roller frame 883 fixedly connected to the bottom of the support plate 882, a third guide roller 884 rotatably connected to the side of the second roller frame 883 away from the second guide roller 87, a clamping plate 885 connected to the side of the second roller frame 883 near the second guide roller 87, and a spray plate 886 clamped between the clamping plate 885 and the second roller frame 883. The second guide roller 87, the second roller frame 883, the third guide roller 884 and the nonwoven fabric winding roller 89 are arranged sequentially along the conveying direction of the nonwoven fabric. The bottom of the spray plate 886 is provided with a plurality of spaced and interconnected spray holes 16. The side wall of the spray plate 886 is connected to a liquid inlet 17 communicating with the spray holes 16. The bottom surface of the spray plate 886 is a wiping plane. To clean the screen printing ink, non-woven fabric usually needs to be soaked in liquids such as alcohol. In this embodiment, alcohol can be introduced through the liquid inlet 17 and sprayed onto the non-woven fabric through the spray holes 16 of the spray plate 886. The bottom surface of the spray plate 886 is a wiping surface, which also helps to improve the wiping effect.

[0060] Furthermore, the nonwoven fabric wiping mechanism 8 also includes a spray gun 810 fixedly connected to the other side of the stand 81. The spray gun 810 is used to spray liquid onto the screen printing plate. For stubborn ink on the screen, the spray gun 810 can spray alcohol lamp liquid onto the screen printing plate in advance, which helps to improve the wiping effect.

[0061] Furthermore, the clamping mechanism 9 includes an I-shaped connecting column 91, a first cylinder 831 seat connected to the bottom of the I-shaped connecting column 91, a pneumatic finger 93 connected to the first cylinder 831 seat, and two grippers 94 respectively connected to the two fingertips of the pneumatic finger 93. The second T-side robot quick-change disc 13 is fixedly connected to the top of the I-shaped connecting column 91. Two spaced limiting rings 18 are fixedly sleeved on the outer wall of the ink barrel 10. When the two grippers 94 are clamped on the outer wall of the ink barrel 10, the two grippers 94 are located between the two limiting rings 18, which helps to prevent the ink barrel 10 from loosening and shifting when the grippers 94 are clamped on the ink barrel 10 during pouring.

[0062] Further, the feeding and discharging driving mechanism 5 comprises a feeding and discharging workbench 51, a Y-axis linear module 52 connected to the feeding and discharging workbench 51, a fixed plate 53 connected to the output end of the Y-axis linear module 52, and a support frame 54 fixedly connected to one end of the fixed plate 53. The top surface of the fixed plate 53 protrudes a first limiting assembly 19 for limiting cooperation with the ink barrel 10. The support frame 54 is connected with a second limiting assembly 20 for limiting cooperation with the non-woven fabric wiping mechanism 8. The top of the support frame 54 is connected with a third limiting assembly 21 for limiting cooperation with the barrel clamping mechanism 9. The first limiting assembly 19 is limited to cooperate with the ink barrel 10, the second limiting assembly 20 is limited to cooperate with the non-woven fabric wiping mechanism 8, and the third limiting assembly 21 is limited to cooperate with the barrel clamping mechanism 9, which avoids the ink barrel 10 from spilling during the back-and-forth conveying process, thereby affecting the normal operation of the overall equipment, and also avoids the non-woven fabric wiping mechanism 8 and the barrel clamping mechanism 9 from being tilted and disengaged, thereby affecting their cooperation with the multi-axis robot 1 again.

[0063] Further, the bottom of the ink barrel 10 is provided with a first clamping groove 22. The first limiting assembly 19 comprises a first clamping block 191 protruding from the top surface of the fixed plate 53 and a plurality of second clamping blocks 192 annularly and spacedly distributed on the fixed plate 53. The first clamping block 191 is used for clamping cooperation with the first clamping groove 22, and the plurality of second clamping blocks 192 are used for abutting against the outer side wall of the ink barrel 10. The bottom of the stand 81 is provided with a second clamping groove 23 and a first guide clamping hole 24. The second limiting assembly 20 comprises a third clamping block 201 and a first guide column 202 both connected to the support frame 54. The third clamping block 201 is used for clamping cooperation with the second clamping groove 23, and the first guide clamping hole 24 is used for guide plug-in cooperation with the first guide column 202. The third limiting assembly 21 comprises a clamping plate 211 connected to the top of the support frame 54 and a clamping column 212 connected to the top of the clamping plate 211. The middle part of the I-shaped connecting column 91 has an annular groove 25. The end of the clamping plate 211 away from the support frame 54 is provided with a U-shaped slot 26 for clamping cooperation with the annular groove 25 of the I-shaped connecting column 91. The top wall of the annular groove 25 of the I-shaped connecting column 91 is provided with a third clamping groove 27 for clamping cooperation with the clamping column 212. The height of the clamping plate 211 and the height of the clamping column 212 are less than the height of the annular groove 25.

[0064] By adopting the above technical scheme, the first clamping block 191 and the plurality of second clamping blocks 192 can avoid the ink barrel 10 from spilling during the back-and-forth conveying process, thereby affecting the normal operation of the overall equipment. Moreover, it is beneficial to specify the position of the ink barrel 10 on the fixed plate 53, thereby facilitating the cooperation of the multi-axis robot 1 with the barrel clamping mechanism 9 to clamp the ink barrel 10. Preferably, the number of the second clamping blocks 192 is three, and the abutting surface of the second clamping block 192 on one side of the ink barrel 10 is an arc surface, which is more beneficial to the adhesion with the outer side wall of the ink barrel 10.

[0065] The first guide clamping hole 24 is in guided plug-in cooperation with the first guide column 202, which is conducive to the positioning of the fixing frame and the support frame 54; and the third clamping block 201 is in clamping cooperation with the second clamping groove 23, which is conducive to the positioning of the non-woven fabric wiping mechanism 8 on the support frame 54, facilitates the quick connection and cooperation of the output end of the multi-axis robot 1 and the first T-side robot quick change disc 12, and avoids the inclination and dislocation of the non-woven fabric wiping mechanism 8 during the back-and-forth conveying process, thereby affecting the cooperation of the non-woven fabric wiping mechanism 8 and the multi-axis robot 1 again;

[0066] The U-shaped notch 26 of the clamping plate 211 is in clamping cooperation with the annular groove 25 of the I-shaped connecting column 91, which avoids the inclination and dislocation of the barrel clamping mechanism 9, thereby affecting the cooperation of the barrel clamping mechanism 9 and the multi-axis robot 1 again; the clamping column 212 is in clamping cooperation with the third clamping groove 27, and the sum of the height of the clamping plate 211 and the height of the clamping column 212 is less than the height of the annular groove 25, which is more conducive to avoiding the inclination and dislocation of the barrel clamping mechanism 9, thereby affecting the cooperation of the barrel clamping mechanism 9 and the multi-axis robot 1 again, and is conducive to the positioning of the barrel clamping mechanism 9 on the clamping plate 211, facilitating the quick connection and cooperation of the output end of the multi-axis robot 1 and the second T-side robot quick change disc 13.

[0067] Further, the working frame 4 comprises four first legs 41, a plurality of first cross beams 42 connected with two adjacent first legs 41, and a first frame plate 43 connected with the first cross beams 42, the lifting driving mechanism 6 comprises a plurality of first belt seat bearings 61 connected with the first frame plate 43, a plurality of second belt seat bearings 62 connected with the first frame plate 43, a servo reduction motor 63 connected with the first frame plate 43, a driving gear 64 connected with an output end of the servo reduction motor 63, a driven gear 65 engaged with the driving gear 64, a first transmission shaft 66 fixedly connected with the driven gear 65 and fixedly connected with a bearing inner ring of the first belt seat bearing 61, first bevel gears 67 fixedly connected with two ends of the first transmission shaft 66, second bevel gears 68 engaged with the first bevel gears 67, a second transmission shaft 613 fixedly connected with the second bevel gears 68 and fixedly connected with a bearing inner ring of the second belt seat bearing 62, a first transmission gear 69 fixedly connected with an end of the second transmission shaft 613, first linear bearings 610 fixedly connected inside the first legs 41, lifting racks 611 connected with inner rings of the first linear bearings 610 and movably extended into the first legs 41, and top supporting plates 612 fixedly connected with top ends of the lifting racks 611, the first legs 41 are provided with accommodation grooves 28 for the first transmission gears 69 to extend into and engage with the lifting racks 611, and the top supporting plates 612 are fixedly connected with the screen plate clamping mechanism 7. In use, the servo reduction motor 63 drives the driving gear 64 to rotate, and the driving gear 64, the driven gear 65, the first transmission shaft 66, the first bevel gears 67, the second bevel gears 68, the second transmission shaft 613 and the first transmission gear 69 are sequentially driven to rotate, the first transmission gear 69 drives the lifting racks 611 and the top supporting plates 612 to lift, thereby driving the screen plate clamping mechanism 7 to move up and down. In the embodiment, the four first legs 41 are all provided with the first linear bearings 610, the lifting racks 611 and the top supporting plates 612, the two ends of the first transmission shaft 66 are both provided with the first bevel gears 67, the second transmission shaft 613 and the second bevel gears 68 are both provided with two, the two ends of the second transmission shaft 613 are both provided with the first transmission gears 69, and the first transmission gears 69 are engaged with the lifting racks 611 one by one, so as to simultaneously drive the four top supporting plates 612 to support the screen plate clamping mechanism 7 to lift.

[0068] The above embodiment is a preferred implementation scheme of the present application, and the present application can also be implemented in other ways without departing from the concept of the present application, and any obvious replacement within the concept of the present application is within the protection scope of the present application.

Claims

1. An automatic cleaning and ink-up apparatus for screen printing plates for PCBs, characterized by: The work rack, the multi-axis robot adjacent to the work rack, the feeding and discharging driving mechanism adjacent to the work rack, the mesh plate reciprocating conveying mechanism connected with the work rack, the carrier connected with the output end of the mesh plate reciprocating conveying mechanism, the lifting driving mechanism connected with the work rack and away from the feeding and discharging end of the mesh plate reciprocating conveying mechanism, the mesh plate clamping mechanism connected with the output end of the lifting driving mechanism, the ink barrel limitedly placed on the output end of the feeding and discharging driving mechanism, the non-woven fabric wiping mechanism limitedly placed on the output end of the feeding and discharging driving mechanism, and the barrel clamping mechanism limitedly placed on the output end of the feeding and discharging driving mechanism; The mesh plate reciprocating conveying mechanism and the carrier are matched to reciprocally convey the mesh plate, the lifting driving mechanism and the mesh plate clamping mechanism are matched to clamp and drive the mesh plate to lift, the multi-axis robot is matched with the non-woven fabric wiping mechanism to wipe the mesh plate, and is matched with the barrel clamping mechanism to clamp and overturn the ink barrel to apply ink to the mesh plate, and the feeding and discharging driving mechanism is used to reciprocally convey the non-woven fabric wiping mechanism and the ink barrel.

2. The automatic cleaning and ink feeding device for the silk screen plate of a PCB according to claim 1, characterized in that: The output end of the multi-axis robot is fixedly connected with an R-side robot quick-change disc, the non-woven fabric wiping mechanism is fixedly connected with a first T-side robot quick-change disc matched with the R-side robot quick-change disc, and the barrel clamping mechanism is fixedly connected with a second T-side robot quick-change disc matched with the R-side robot quick-change disc.

3. The automatic cleaning and ink feeding device for the silk screen plate of a PCB according to claim 2, characterized in that: The non-woven fabric wiping mechanism comprises a stand, a driving transmission mechanism fixedly connected with the stand, a material roll pressing roller assembly fixedly connected with the stand, and a non-woven fabric unwinding roller, a first guide roller, a length counter roller, a second guide roller, a lifting wiping assembly and a non-woven fabric winding roller arranged in sequence along the conveying direction of the non-woven fabric, the non-woven fabric unwinding roller, the first guide roller, the length counter roller, the second guide roller and the non-woven fabric winding roller are all rotationally connected to one side of the stand, the driving transmission mechanism is in transmission connection with the first guide roller and is used to drive the length counter roller to rotate and drive the non-woven fabric winding roller to rotate, the material roll pressing roller assembly is used to press the non-woven fabric material of the length counter roller, the lifting wiping assembly is fixedly connected with the stand and is used to press the non-woven fabric, and the first T-side robot quick-change disc is fixedly connected to the other side of the stand.

4. The automatic cleaning and ink feeding device for the silk screen plate of a PCB according to claim 3, characterized in that: The length counter roller is provided with a first annular transmission groove near one side of the stand, the non-woven fabric winding roller is provided with a second annular transmission groove near one side of the stand, the driving transmission mechanism comprises a motor frame connected to the other side of the stand, a driving motor fixedly connected with the motor frame, and a transmission belt sleeved between the first annular transmission groove and the second annular transmission groove, the output end of the driving motor is in transmission connection with the length counter roller, and the transmission belt is used for transmission between the length counter roller and the non-woven fabric winding roller; the material roll pressing roller assembly comprises a first air cylinder fixedly connected with the bottom of the stand, a first roller frame connected with the output end of the first air cylinder, and a pressing roller rotationally connected with the first roller frame and arranged adjacent to the length counter roller, and the pressing roller is matched with the length counter roller to press the non-woven fabric material.

5. The automatic cleaning and ink applying apparatus for a silk screen plate for a PCB board according to claim 3, wherein: The lifting wiping assembly comprises a second cylinder fixedly connected to the other side of the stand, a support plate fixedly connected to the output end of the second cylinder, a second roller frame fixedly connected to the bottom of the support plate, a third guide roller rotatably connected to the side of the second roller frame away from the second guide roller, a clamping plate connected to the side of the second roller frame close to the second guide roller, and a spraying plate clamped between the clamping plate and the second roller frame, the second guide roller, the second roller frame, the third guide roller and the non-woven fabric winding roller are sequentially arranged along the conveying direction of the non-woven fabric, the bottom of the spraying plate is provided with a plurality of spraying holes which are spaced apart and interconnected, the side wall of the spraying plate is connected with a liquid inlet interface which is communicated with the spraying holes, and the bottom surface of the spraying plate is a wiping plane.

6. The automatic cleaning and ink applying apparatus for a silk screen used for a PCB according to claim 3, wherein: The barrel clamping mechanism comprises a work-type connecting column, a first cylinder seat connected to the bottom of the work-type connecting column, a pneumatic finger connected to the first cylinder seat, and two clamping jaws respectively connected to the two finger ends of the pneumatic finger, and the second T-side robot quick-change disc is fixedly connected to the top of the work-type connecting column; the outer side wall of the ink barrel is fixedly sleeved with two limiting rings which are spaced apart, and when the two clamping jaws are clamped to the outer wall of the ink barrel, the two clamping jaws are located between the two limiting rings.

7. The automatic cleaning and ink feeding device for the silk screen plate of a PCB according to claim 6, characterized in that: The feeding and discharging driving mechanism comprises a feeding and discharging workbench, a Y-axis linear module connected to the feeding and discharging workbench, a fixed plate connected to the output end of the Y-axis linear module, and a support frame fixedly connected to one end of the fixed plate, the top surface of the fixed plate protrudes a first limiting assembly for limiting cooperation with the ink barrel, the support frame is connected with a second limiting assembly for limiting cooperation with the non-woven fabric wiping mechanism, and the top of the support frame is connected with a third limiting assembly for limiting cooperation with the barrel clamping mechanism.

8. The automatic cleaning and ink applying apparatus for a silk screen plate for a PCB board according to claim 7, wherein: The bottom of the ink barrel is provided with a first clamping groove, the first limiting assembly comprises a first clamping block protruding from the top surface of the fixed plate and a plurality of second clamping blocks annularly and spaced apart on the fixed plate, the first clamping block is used for clamping cooperation with the first clamping groove, and the plurality of second clamping blocks are used for abutting against the outer side wall of the ink barrel; the bottom of the stand is provided with a second clamping groove and a first guide clamping hole, the second limiting assembly comprises a third clamping block and a first guide column which are both connected to the support frame, the third clamping block is used for clamping cooperation with the second clamping groove, and the first guide clamping hole is used for guide plug-in cooperation with the first guide column; the third limiting assembly comprises a clamping plate connected to the top of the support frame and a clamping column connected to the top of the clamping plate, the middle part of the work-type connecting column has an annular groove, one end of the clamping plate away from the support frame is provided with a U-shaped notch for clamping cooperation with the annular groove of the work-type connecting column, the top wall of the annular groove of the work-type connecting column is provided with a third clamping groove for clamping cooperation with the clamping column, and the sum of the height of the clamping plate and the height of the clamping column is less than the height of the annular groove.

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