Green dust-free carton printing device and method

Abstract

The present invention provides a green dust-free carton printing device and method, which relate to the field of carton printing, and include: the control console is fixedly connected to the front end face of the printing body; the fixed platform is fixedly connected to the front end face of the printing body; the feeding rack is fixedly connected to the front end face of the printing body; the printing roller is rotatably connected to the inner side of the printing body; the feeding roller is rotatably connected to the inner side of the printing body; two conveying rollers are provided, and both conveying rollers are rotatably connected to the inner side of the feeding rack; the conveyor belt is covered on the outer sides of the two conveying rollers; through the arrangement of the present invention, printing of cartons of different specifications is realized, the scope of application is increased, the work efficiency is improved, the labor intensity is reduced, and the problem that the size of the printing roller of the printing mechanism in the existing printing device is fixed, when printing on a larger carton, it is necessary to place a cardboard at the front end of the carton to prevent the printing roller from printing a pattern at other positions of the carton, and the work efficiency is not high enough is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of carton printing, and in particular to a green dust-free carton printing device and method. Background Art

[0002] In order to enrich the expressive content of product packaging, manufacturers often print text or patterns on cartons. When printing on cartons, a printing plate is generally pasted on a printing roller so that the pattern is printed on the carton while the carton is being conveyed. The existing green dust-free carton printing device is generally composed of a frame, a feeding mechanism and a printing mechanism.

[0003] According to the green dust-free carton printing device disclosed in application number: CN202221930477.6, the utility model discloses a green dust-free carton printing device, which belongs to the field of carton processing equipment, including a frame, a feeding mechanism and a printing mechanism, the feeding mechanism and the printing mechanism are both arranged on the frame, and the frame is provided with a dust removal mechanism between the feeding mechanism and the printing mechanism, the dust removal mechanism includes two groups of dust removal components and two groups of clamping components, the two groups of dust removal components include a mounting seat and a plurality of brushes, the mounting seat is rotatably connected to the frame, the frame is provided with a driving mechanism, a dust suction channel is opened in the center of the mounting seat, the frame is fixedly connected with an air suction pipe, the air suction pipe is connected with the dust suction channel, and the air suction pipe is rotatably connected with the mounting seat, a plurality of brushes are arranged on the mounting seat in an annular shape, and a plurality of brushes are detachably connected to the mounting seat through a fixed component, the utility model utilizes a rotating brush to well remove dust on the carton, and at the same time can suck away the swept dust through the dust suction channel.

[0004] However, the size of the printing roller of the printing mechanism in the existing printing device is fixed. When printing on a larger carton, cardboard needs to be placed at the front end of the carton to prevent the printing roller from printing the pattern at other locations on the carton. This has limitations and the work efficiency is not high enough. Summary of the invention

[0005] In view of this, the present invention provides a green dust-free carton printing device and method, which has the advantages of increasing the scope of application, improving work efficiency, reducing labor intensity, and increasing output.

[0006] The present invention provides a green dust-free carton printing device, which specifically includes: a printing body, a control panel, a fixed platform, a feeding rack, a printing roller, a feeding roller, a conveying roller, a conveying belt, a fixed block, a support plate, a fixed plate, a slide rail, a servo motor, a pulley, a transmission belt, an intermittent printing mechanism and a batch printing mechanism; the control panel is fixedly connected to the front end face of the printing body; the fixed platform is fixedly connected to the front end face of the printing body; the feeding rack is fixedly connected to the front end face of the printing body; the printing roller is rotatably connected to the inner side of the printing body; the feeding roller is rotatably connected to the inner side of the printing body; two conveying rollers are provided, and both conveying rollers are rotatably connected to the inner side of the feeding rack. ; The conveyor belt is wrapped around the outer sides of the two conveyor rollers; the fixed blocks are provided in multiple groups, and the multiple groups of fixed blocks are fixedly connected to the outer sides of the conveyor belts; the support plate is fixedly connected to the front end surface of the fixed platform; there are two fixed plates, and the two fixed plates are fixedly connected to the upper end surface of the feed rack; there are two slide rails, and the two slide rails are fixedly connected to the upper end surface of the feed rack; the servo motor is fixedly installed on the inner side of the printing body; there are two pulleys, and the two pulleys are respectively fixedly connected to the left ends of the servo motor and the printing roller; the transmission belt is wrapped around the outer sides of the two pulleys; the intermittent printing mechanism is arranged on the upper end surface of the feed rack; the batch printing mechanism is arranged on the upper end surface of the feed rack.

[0007] Furthermore, the intermittent printing mechanism includes: a connecting wheel, a connecting belt and a metal block; the connecting wheels are provided with two, one connecting wheel is fixedly connected to the right end of the printing roller, and the other connecting wheel is rotatably connected to the left end surface of the support plate; the metal block is slidably connected to the left end of the front connecting wheel.

[0008] Furthermore, the intermittent printing mechanism also includes: a slider, a return spring and a proximity switch; the slider is slidably connected to the inner side of the right end of the feed rack; the return spring is fixedly connected to the rear end face of the slider, and the rear end of the return spring is fixedly connected to the inner side of the feed rack; the proximity switch is fixedly installed on the inner side of the slider, and the proximity switch is electrically connected to the servo motor.

[0009] Furthermore, the intermittent printing mechanism also includes: a mounting block, a latch slot and a fixing member; the mounting blocks are provided in plurality, and the plurality of mounting blocks are all arranged on the outside of the conveyor belt; the latch slots are provided in plurality, and the plurality of latch slots are all opened on the outside of the conveyor belt; the fixing members are provided in plurality, and the plurality of fixing members are respectively inserted through the plurality of latch slots and connected to the inner sides of the plurality of mounting blocks.

[0010] Furthermore, the intermittent printing mechanism also includes: a compression spring and a sliding block; the compression spring is provided in plurality, and the plurality of compression springs are respectively fixedly connected to the inner sides of the plurality of mounting blocks, and the elastic force of the compression spring is greater than the elastic force of the return spring; the sliding block is provided in plurality, and the plurality of sliding blocks are respectively slidably connected to the inner sides of the plurality of mounting blocks, and the sliding block is fixedly connected to the upper end of the compression spring.

[0011] Furthermore, the intermittent printing mechanism also includes: a connecting block and a fastening bolt; the connecting block is fixedly connected to the front end surface of the metal block; and the fastening bolt is threadedly connected to the inner side of the connecting block.

[0012] Furthermore, the batch printing mechanism includes: a sliding plate, a fixing nut and an adjusting bolt; two sliding plates are provided, and the two sliding plates are respectively slidably connected to the rear end surfaces of the two fixing plates; two fixing nuts are provided, and the two fixing nuts are respectively fixedly connected to the rear ends of the two fixing plates; two adjusting bolts are provided, and the two adjusting bolts are respectively threadedly connected to the inner sides of the two fixing nuts, and the adjusting bolts are rotatably connected to the inner side of the sliding plate.

[0013] Furthermore, the batch printing mechanism also includes: a limit plate, a connecting nut and a positioning piece; two limit plates are provided, and the two limit plates are respectively slidably connected to the outer sides of the two slide rails, and the front end surfaces of the two limit plates are provided with a group of sliding plates, fixing nuts and adjusting bolts; two connecting nuts are provided, and the two connecting nuts are respectively fixedly connected to the outer sides of the two limit plates; two positioning pieces are provided, and the two positioning pieces are respectively threadedly connected to the inner sides of the two connecting nuts.

[0014] Furthermore, the batch printing mechanism also includes: a limit rod, a connecting rod, an adjusting nut and an adjusting piece; the limit rod is slidably connected to the inner side of the two limit plates; the connecting rod is fixedly connected to the inner side of the two limit plates; the adjusting nut is fixedly connected to the upper end surface of the connecting rod; the adjusting piece is threadedly connected to the inner side of the adjusting nut, and the lower end of the adjusting piece is rotatably connected to the inner side of the limit rod.

[0015] Furthermore, the batch printing mechanism also includes: a feed plate, an extrusion block and an extrusion bolt; the feed plate is provided with multiple groups, and the multiple groups of feed plates are respectively inserted into the inner sides of the multiple groups of fixed blocks; the extrusion blocks are provided with multiple groups, and the multiple groups of extrusion blocks are respectively slidably connected to the inner sides of the multiple groups of fixed blocks; the extrusion bolts are provided with multiple groups, and the multiple groups of extrusion bolts respectively pass through the multiple groups of extrusion blocks and are threadedly connected to the inner sides of the multiple groups of fixed blocks.

[0016] The present invention also provides a green dust-free carton printing method, which completes the printing of the carton by using any of the green dust-free carton printing devices described above.

[0017] Beneficial Effects

[0018] The present invention realizes the intermittent rotation of the printing roller by setting an intermittent printing mechanism. When printing on larger cartons, after the mounting block is installed in a suitable position, the conveyor belt will drive the mounting block to move while transporting the carton. The mounting block pushes the slider at the appropriate time to make the proximity switch away from the metal block. At this time, the printing roller will rotate to print the pattern on the carton. It can be applied to cartons of different specifications, thereby increasing the scope of application, eliminating the need for manual intervention, improving work efficiency, and reducing labor intensity.

[0019] In addition, through the setting of the batch printing mechanism, batch feeding of cartons is realized. After adjusting the sliding plate, limit plate and limit rod to the appropriate position, the carton is placed on the inner side of the feeding plate and the limit plate. Through the operation of the conveyor belt, the feeding plate is driven to move and the bottom carton is pushed into the printing body for printing. The operation is simple, which improves work efficiency, reduces labor intensity and increases output.

[0020] In addition, through the setting of the above-mentioned mechanism, printing of cartons of different specifications is realized, the scope of application is increased, work efficiency is improved, labor intensity is reduced, and batch feeding of cartons is realized, which improves work efficiency, reduces labor intensity and increases output. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0022] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0023] In the attached picture:

[0024] Figure 1 It is a schematic structural diagram of the main body of an embodiment of the present invention.

[0025] Figure 2 2 is a schematic structural diagram of a pulley according to an embodiment of the present invention.

[0026] Figure 3 It is a schematic structural diagram of a connecting wheel according to an embodiment of the present invention.

[0027] Figure 4 Schematic diagram of the structure of a proximity switch according to an embodiment of the present invention.

[0028] Figure 5 Schematic diagram of the structure of a printing roller according to an embodiment of the present invention.

[0029] Figure 6 The embodiment of the present invention Figure 3 Schematic diagram of the structure with a partial enlargement at point A in the middle.

[0030] Figure 7 It is a schematic structural diagram of an extrusion block according to an embodiment of the present invention.

[0031] Figure 8 Schematic diagram of the structure of a sliding plate according to an embodiment of the present invention.

[0032] Fig. 9 2 is a schematic structural diagram of a limit rod according to an embodiment of the present invention.

[0033] Reference numerals list

[0034] 1. Printing body; 2. Control panel; 3. Fixed platform; 4. Feeding rack; 5. Printing roller; 6. Feeding roller; 7. Conveyor roller; 8. Conveyor belt; 9. Fixed block; 10. Support plate; 11. Fixed plate; 12. Slide rail; 13. Servo motor; 14. Pulley; 15. Transmission belt; 16. Connecting wheel; 17. Connecting belt; 18. Metal block; 19. Slider; 20. Reset spring; 21. Proximity switch; 22. Mounting block; 23. Pin slot; 24. Fixing piece; 25. Compression spring; 26. Sliding block; 27. Connecting block; 28. Fastening bolt; 29. ​​Sliding plate; 30. Fixed nut; 31. Adjusting bolt; 32. Limiting plate; 33. Connecting nut; 34. Positioning piece; 35. Limiting rod; 36. Connecting rod; 37. Adjusting nut; 38. Adjusting piece; 39. Feeding plate; 40. Extrusion block; 41. Extrusion bolt. DETAILED DESCRIPTION

[0035] Example 1

[0036] The present invention provides a green dust-free carton printing device, such as Figure 1-Figure 6As shown, it includes a printing body 1, a control panel 2, a fixed platform 3, a feeding rack 4, a printing roller 5, a feeding roller 6, a conveying roller 7, a conveying belt 8, a fixed block 9, a support plate 10, a fixed plate 11, a slide rail 12, a servo motor 13, a pulley 14, a transmission belt 15 and an intermittent printing mechanism; the control panel 2 is fixedly connected to the front end surface of the printing body 1; the fixed platform 3 is fixedly connected to the front end surface of the printing body 1; the feeding rack 4 is fixedly connected to the front end surface of the printing body 1; the printing roller 5 is rotatably connected to the inner side of the printing body 1; the feeding roller 6 is rotatably connected to the inner side of the printing body 1; two conveying rollers 7 are provided, and both conveying rollers 7 are rotatably connected to the inner side of the feeding rack 4; the conveying The belt 8 is wrapped around the outside of the two conveyor rollers 7; a plurality of fixed blocks 9 are provided, and the plurality of fixed blocks 9 are fixedly connected to the outside of the conveyor belt 8; the support plate 10 is fixedly connected to the front end surface of the fixed platform 3; two fixed plates 11 are provided, and the two fixed plates 11 are fixedly connected to the upper end surface of the feed rack 4; two slide rails 12 are provided, and the two slide rails 12 are fixedly connected to the upper end surface of the feed rack 4; the servo motor 13 is fixedly installed on the inner side of the printing body 1; two pulleys 14 are provided, and the two pulleys 14 are respectively fixedly connected to the servo motor 13 and the left end of the printing roller 5; the transmission belt 15 is wrapped around the outside of the two pulleys 14; the intermittent printing mechanism is arranged on the upper end surface of the feed rack 4.

[0037] The intermittent printing mechanism includes: a connecting wheel 16, a connecting belt 17, a metal block 18, a slider 19, a reset spring 20, a proximity switch 21, a mounting block 22, a latch slot 23, a fixing member 24, a compression spring 25, a sliding block 26, a connecting block 27 and a fastening bolt 28; two connecting wheels 16 are provided, one connecting wheel 16 is fixedly connected to the right end of the printing roller 5, and the other connecting wheel 16 is rotatably connected to the left end surface of the support plate 10; the metal block 18 is slidably connected to the left end of the front connecting wheel 16; the slider 19 is slidably connected to the inner side of the right end of the feed rack 4; the reset spring 20 is fixedly connected to the rear end surface of the slider 19, and the rear end of the reset spring 20 is fixedly connected to the inner side of the feed rack 4; the proximity switch 21 is fixedly installed on the inner side of the slider 19, and the proximity switch 21 is connected to the servo motor 13 Electrical connection; there are multiple mounting blocks 22, and the multiple mounting blocks 22 are all arranged on the outside of the conveyor belt 8; there are multiple groups of latch grooves 23, and the multiple groups of latch grooves 23 are all opened on the outside of the conveyor belt 8; there are multiple fixing members 24, and the multiple fixing members 24 respectively pass through the multiple latch grooves 23 and are plugged into the inner sides of the multiple mounting blocks 22; there are multiple compression springs 25, and the multiple compression springs 25 are respectively fixedly connected to the inner sides of the multiple mounting blocks 22, and the elastic force of the compression spring 25 is greater than the elastic force of the return spring 20; there are multiple sliding blocks 26, and the multiple sliding blocks 26 are respectively slidably connected to the inner sides of the multiple mounting blocks 22, and the sliding blocks 26 are fixedly connected to the upper ends of the compression springs 25; the connecting block 27 is fixedly connected to the front end surface of the metal block 18; the fastening bolt 28 is threadedly connected to the inner side of the connecting block 27.

[0038] When the servo motor 13 is started, the printing roller 5 is driven to rotate through the pulley 14 and the transmission belt 15. The rotation of the printing roller 5 drives the metal block 18 to rotate through the connecting wheel 16 and the connecting belt 17. When the front end connecting wheel 16 rotates one circle, the metal block 18 is brought close to the proximity switch 21. At this time, the proximity switch 21 detects the metal block 18 and transmits a signal to the servo motor 13, causing the servo motor 13 to stop rotating. The fixing piece 24 is inserted into the inner side of the mounting block 22 through the latch slot 23 to limit the mounting block 22. When the transmission belt 15 transports the carton, it will pass The mounting block 22 drives the sliding block 26 to move, and when the sliding block 26 moves to the front end of the slider 19, the continued movement will push the slider 19 to slide backward, so that the slider 19 drives the proximity switch 21 away from the metal block 18. At this time, the proximity switch 21 loses the detection target and causes the servo motor 13 to start and continue printing through the printing roller 5. After loosening the fastening bolts 28, adjust the position of the metal block 18 so that the metal block 18 is close to the center of the connecting wheel 16. At this time, when the connecting wheel 16 drives the metal block 18 to rotate, it will not be close to the proximity switch 21, and the printing roller 5 can continue to run for printing.

[0039] Example 2

[0040] On the basis of Example 1, Figure 7-Figure 9 As shown, it also includes a batch printing mechanism, which is arranged on the upper end surface of the feeding rack 4; there are two sliding plates 29, which are respectively slidably connected to the rear end surfaces of the two fixed plates 11; there are two fixing nuts 30, which are respectively fixedly connected to the rear ends of the two fixed plates 11; there are two adjusting bolts 31, which are respectively threadedly connected to the inner sides of the two fixing nuts 30, and the adjusting bolts 31 are rotatably connected to the inner sides of the sliding plates 29; there are two limiting plates 32, which are respectively slidably connected to the outer sides of the two slide rails 12, and the front end surfaces of the two limiting plates 32 are each provided with a group of sliding plates 29, fixing nuts 30 and adjusting bolts 31; there are two connecting nuts 33, which are respectively fixedly connected to the two The outer side of the limit plate 32; there are two positioning members 34, and the two positioning members 34 are respectively threadedly connected to the inner sides of the two connecting nuts 33; the limit rod 35 is slidably connected to the inner sides of the two limit plates 32; the connecting rod 36 is fixedly connected to the inner sides of the two limit plates 32; the adjusting nut 37 is fixedly connected to the upper end surface of the connecting rod 36; the adjusting member 38 is threadedly connected to the inner side of the adjusting nut 37, and the lower end of the adjusting member 38 is rotatably connected to the inner side of the limit rod 35; there are multiple groups of feeding plates 39, and the multiple groups of feeding plates 39 are respectively inserted into the inner sides of the multiple groups of fixed blocks 9; there are multiple groups of extrusion blocks 40, and the multiple groups of extrusion blocks 40 are respectively slidably connected to the inner sides of the multiple groups of fixed blocks 9; there are multiple groups of extrusion bolts 41, and the multiple groups of extrusion bolts 41 respectively pass through the multiple groups of extrusion blocks 40 and are threadedly connected to the inner sides of the multiple groups of fixed blocks 9.

[0041] A green dust-free carton printing method, which uses any of the green dust-free carton printing devices described above to complete the printing of the carton, specifically comprising the following steps:

[0042] By rotating the adjusting bolt 31, the position of the sliding plate 29 can be adjusted, and cartons of different widths can be positioned. The limiting plate 32 is slid to a suitable position, and the positioning piece 34 is tightened to limit the limiting plate 32. By adjusting the limiting plate 32, cartons of different lengths can be positioned. By rotating the adjusting piece 38, the height of the limiting rod 35 can be adjusted, and cartons of different thicknesses can be limited. After loosening the extrusion bolt 41, the extrusion block 40 will lose the extrusion on the feeding plate 39, and the height of the feeding plate 39 can be adjusted. After the adjustment is completed, re-tightening the extrusion bolt 41 will cause the extrusion block 40 to pressurize and fix the feeding plate 39 again, so that cartons of different thicknesses can be fed. When the conveyor belt 8 is running, it will drive the feeding plate 39 to sequentially feed the cartons into the printing body 1 for printing.

Claims

1. A green dust-free carton printing device, characterized in that: include: A printing body (1), a control panel (2), a fixed platform (3), a feeding rack (4), a printing roller (5), a feeding roller (6), a conveying roller (7), a conveying belt (8), a fixed block (9), a supporting plate (10), a fixed plate (11), a slide rail (12), a servo motor (13), a pulley (14), a transmission belt (15), an intermittent printing mechanism and a batch printing mechanism; the control panel (2) is fixedly connected to the front end face of the printing body (1); the fixed platform (3) is fixedly connected to the front end face of the printing body (1); the feeding rack (4) is fixedly connected to the front end face of the printing body (1); the printing roller (5) is rotatably connected to the inner side of the printing body (1); the feeding roller (6 ... The material roller (6) is rotatably connected to the inner side of the printing body (1); two conveying rollers (7) are provided, and the two conveying rollers (7) are rotatably connected to the inner side of the feeding rack (4); the conveyor belt (8) is wrapped around the outer sides of the two conveying rollers (7); a plurality of fixed blocks (9) are provided, and the plurality of fixed blocks (9) are fixedly connected to the outer sides of the conveyor belt (8); the support plate (10) is fixedly connected to the front end surface of the fixed platform (3); two fixed plates (11) are provided, and the two fixed plates (11) are fixedly connected to the upper end surface of the feeding rack (4); two slide rails (12) are provided, and the two slide rails (12) are fixedly connected to the upper end surface of the feeding rack (4); the servo motor ( 13) is fixedly installed on the inner side of the printing body (1); the belt pulley (14) is provided with two, and the two belt pulleys (14) are respectively fixedly connected to the servo motor (13) and the left end of the printing roller (5); the transmission belt (15) is wrapped around the outer sides of the two belt pulleys (14); the intermittent printing mechanism is arranged on the upper end surface of the feeding rack (4); the batch printing mechanism is arranged on the upper end surface of the feeding rack (4); the intermittent printing mechanism comprises: a connecting wheel (16), a connecting belt (17) and a metal block (18); the connecting wheel (16) is provided with two, one connecting wheel (16) is fixedly connected to the right end of the printing roller (5), and the other connecting wheel (16) is rotatably connected to the support plate (10) The metal block (18) is slidably connected to the left end of the front connecting wheel (16); the batch printing mechanism comprises: a sliding plate (29), a fixing nut (30) and an adjusting bolt (31); two sliding plates (29) are provided, and the two sliding plates (29) are respectively slidably connected to the rear end surfaces of the two fixing plates (11); two fixing nuts (30) are provided, and the two fixing nuts (30) are respectively fixedly connected to the rear ends of the two fixing plates (11); two adjusting bolts (31) are provided, and the two adjusting bolts (31) are respectively threadedly connected to the inner sides of the two fixing nuts (30), and the adjusting bolts (31) are rotatably connected to the inner side of the sliding plate (29).

2. A green dust-free carton printing device as claimed in claim 1, characterized in that: The intermittent printing mechanism further comprises: a slider (19), a return spring (20) and a proximity switch (21); the slider (19) is slidably connected to the inner side of the right end of the feed rack (4); the return spring (20) is fixedly connected to the rear end surface of the slider (19), and the rear end of the return spring (20) is fixedly connected to the inner side of the feed rack (4); the proximity switch (21) is fixedly installed on the inner side of the slider (19), and the proximity switch (21) is electrically connected to the servo motor (13).

3. A green dust-free carton printing device as claimed in claim 2, characterized in that: The intermittent printing mechanism further comprises: a mounting block (22), a latch slot (23) and a fixing member (24); the mounting block (22) is provided in plurality, and the plurality of mounting blocks (22) are all arranged on the outside of the conveyor belt (8); the latch slot (23) is provided in plurality, and the plurality of groups of latch slots (23) are all arranged on the outside of the conveyor belt (8); the fixing member (24) is provided in plurality, and the plurality of fixing members (24) respectively pass through the plurality of latch slots (23) and are plugged into the inner sides of the plurality of mounting blocks (22).

4. A green dust-free carton printing device as claimed in claim 3, characterized in that: The intermittent printing mechanism further comprises: a compression spring (25) and a sliding block (26); the compression spring (25) is provided in plurality, and the plurality of compression springs (25) are respectively fixedly connected to the inner sides of the plurality of mounting blocks (22), and the elastic force of the compression spring (25) is greater than the elastic force of the return spring (20); the sliding block (26) is provided in plurality, and the plurality of sliding blocks (26) are respectively slidably connected to the inner sides of the plurality of mounting blocks (22), and the sliding block (26) is fixedly connected to the upper end of the compression spring (25).

5. A green dust-free carton printing device as claimed in claim 4, characterized in that: The intermittent printing mechanism further comprises: a connecting block (27) and a fastening bolt (28); the connecting block (27) is fixedly connected to the front end surface of the metal block (18); and the fastening bolt (28) is threadedly connected to the inner side of the connecting block (27).

6. A green dust-free carton printing device as claimed in claim 5, characterized in that: The batch printing mechanism also includes: a limit plate (32), a connecting nut (33) and a positioning member (34); two limit plates (32) are provided, and the two limit plates (32) are respectively slidably connected to the outer sides of the two slide rails (12), and the front end surfaces of the two limit plates (32) are each provided with a group of sliding plates (29), fixing nuts (30) and adjusting bolts (31); two connecting nuts (33) are provided, and the two connecting nuts (33) are respectively fixedly connected to the outer sides of the two limit plates (32); two positioning members (34) are provided, and the two positioning members (34) are respectively threadedly connected to the inner sides of the two connecting nuts (33).

7. A green dust-free carton printing device as claimed in claim 6, characterized in that: The batch printing mechanism further comprises: a limit rod (35), a connecting rod (36), an adjusting nut (37) and an adjusting member (38); the limit rod (35) is slidably connected to the inner sides of the two limit plates (32); the connecting rod (36) is fixedly connected to the inner sides of the two limit plates (32); the adjusting nut (37) is fixedly connected to the upper end surface of the connecting rod (36); the adjusting member (38) is threadedly connected to the inner side of the adjusting nut (37), and the lower end of the adjusting member (38) is rotatably connected to the inner side of the limit rod (35). side; the batch printing mechanism further comprises: a feeding plate (39), an extrusion block (40) and an extrusion bolt (41); the feeding plate (39) is provided with a plurality of groups, and the plurality of feeding plates (39) are respectively inserted into the inner sides of the plurality of fixing blocks (9); the extrusion block (40) is provided with a plurality of groups, and the plurality of extrusion blocks (40) are respectively slidably connected to the inner sides of the plurality of fixing blocks (9); the extrusion bolt (41) is provided with a plurality of groups, and the plurality of extrusion bolts (41) respectively pass through the plurality of extrusion blocks (40) and are threadedly connected to the inner sides of the plurality of fixing blocks (9).

8. A green dust-free carton printing method, characterized by: The printing of the carton is completed by using the green dust-free carton printing device described in any one of claims 1 to 7.

Images