CN112810299A - Energy-saving packaging bag printing device and printing process thereof - Google Patents

Energy-saving packaging bag printing device and printing process thereof Download PDF

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Publication number
CN112810299A
CN112810299A CN202110054245.2A CN202110054245A CN112810299A CN 112810299 A CN112810299 A CN 112810299A CN 202110054245 A CN202110054245 A CN 202110054245A CN 112810299 A CN112810299 A CN 112810299A
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CN
China
Prior art keywords
bag
packaging bag
fixedly mounted
driving
frame
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Granted
Application number
CN202110054245.2A
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Chinese (zh)
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CN112810299B (en
Inventor
李志明
李志勇
陈克之
王媛
潘宣洲
熊国珠
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Guangdong Baojiali New Material Co ltd
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Guangdong Baojiali New Material Co ltd
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Priority to CN202110054245.2A priority Critical patent/CN112810299B/en
Publication of CN112810299A publication Critical patent/CN112810299A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/08Machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/08Machines
    • B41F15/12Machines with auxiliary equipment, e.g. for drying printed articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • B41F15/16Printing tables
    • B41F15/18Supports for workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • B41F15/34Screens, Frames; Holders therefor
    • B41F15/36Screens, Frames; Holders therefor flat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • B41F15/40Inking units
    • B41F15/42Inking units comprising squeegees or doctors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F15/00Screen printers
    • B41F15/14Details
    • B41F15/44Squeegees or doctors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2215/00Screen printing machines
    • B41P2215/10Screen printing machines characterised by their constructional features
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41PINDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
    • B41P2215/00Screen printing machines
    • B41P2215/50Screen printing machines for particular purposes

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

The invention discloses an energy-saving packaging bag printing device and a printing process thereof, wherein the device comprises a shell, a dust cover is fixedly arranged at the top of the shell, belt conveyors are arranged on two sides of the dust cover, a supporting seat is fixedly arranged on the inner wall of one side of the dust cover, a lifting cross frame is movably arranged on one side of the supporting seat along the vertical direction, a scraping plate is fixedly arranged at the bottom of a flat plate, a bag turning mechanism is fixedly arranged on the inner wall of the lower side of the shell, two mounting frames are arranged at the top of the bag turning mechanism, two clamping mechanisms are arranged on the two mounting frames, and a dryer is fixedly arranged; the invention can be used for quickly turning over the packaging bag, can be used for quickly printing two sides of the packaging bag, has high working efficiency, can be used for quickly drying the packaging bag, improves the drying efficiency, greatly reduces the drying time, saves energy, can meet the requirements of clamping and printing the packaging bags with different widths, and has strong applicability.

Description

Energy-saving packaging bag printing device and printing process thereof
Technical Field
The invention relates to the technical field of printing, in particular to an energy-saving printing device for a packaging bag and a printing process thereof.
Background
The packaging bag is a bag used for packaging various articles, so that the goods are convenient to transport and easy to store in a production process, and the packaging bag is widely used in daily life and industrial production, and the printing is a technology for transferring printing ink to the surfaces of paper, fabrics, plastic products, leather and other materials through processes of plate making, ink application, pressurization and the like on the original documents such as characters, pictures, photos, anti-counterfeiting and the like, and copying the content of the original documents in batches; traditional printing device can only print the one side of wrapping bag, and work efficiency is low, and traditional printing device causes the energy extravagant easily when the printing moreover, can't press from both sides tightly and print the wrapping bag of different width.
Disclosure of Invention
The invention aims to provide a packaging bag energy-saving printing device and a printing process thereof, wherein a belt conveyor drives a packaging bag to enter a dust cover and move the packaging bag between two tracks, a clamping cylinder drives a moving block to move on a mounting frame, the moving block drives the tracks to move through push rods, so that the two tracks of a clamping mechanism move oppositely and clamp and fix the packaging bag, a supporting plate is driven to ascend through a lifting plate cylinder, the upper surface of the supporting plate is in close contact with the bottom surface of the clamped packaging bag, a threaded rod is driven to rotate through a motor II, a lifting cross frame is driven to descend through a transverse plate, a printing frame is driven to descend to the upper surface of the packaging bag, an electromagnetic valve on a discharging pipe is opened, dye in a dye box falls onto a silk screen through the discharging pipe, the lifting cylinder drives a scraping plate to descend to the upper surface of the silk screen, The belt drives the moving arm to move back and forth on the lifting cross frame and drives the scraper to move back and forth on the silk screen, a pattern is printed on one side surface of the packaging bag, the lifting plate cylinder drives the supporting plate to descend, the two bag turning cylinders are started, the bag turning cylinders drive the gear II to rotate through the fixed column, the gear II drives the gear I meshed with the gear II to rotate, the gear I drives the connecting shaft to rotate and drives the mounting frame and the clamping mechanism to rotate, so that the packaging bag is turned over by one hundred eighty degrees, the drying machine is started, the drying machine dries the printed pattern, and the pattern is printed on the other side surface of the packaging bag.
According to the invention, the dryer is arranged at the bottom of the supporting plate, and the packaging bag after being printed and turned is dried by the dryer, the dryer is positioned in the shell, the top of the shell is shielded by the dust cover and the two belt conveyors, so that hot air after the drying operation of the dryer can continuously exist in the shell, and the internal temperature of the shell is always at a higher level, so that the packaging bag is quickly dried, the drying efficiency is improved, the drying time is greatly reduced, the energy is saved, and the technical problem that the energy is easily wasted when the traditional printing device works is solved;
according to the printing device, the two moving cylinders drive the two moving seats to move oppositely or reversely, the two moving seats drive the two bag turning joints to move oppositely or reversely and drive the two mounting frames to move oppositely or reversely, and the distance between the clamping mechanisms on the two mounting frames is adjusted.
The purpose of the invention can be realized by the following technical scheme:
a packaging bag energy-saving printing device comprises a shell, wherein a dust cover is fixedly mounted at the top of the shell, openings are formed in the bottoms of the end faces of two ends of the dust cover, belt conveyors are arranged on two sides of the dust cover, a supporting seat is fixedly mounted on the inner wall of one side of the dust cover, a lifting cross frame is movably mounted on one side of the supporting seat in the vertical direction, a moving arm is movably mounted on one side of the lifting cross frame in the horizontal direction, a first lifting cylinder is fixedly mounted on the moving arm, a flat plate is fixedly mounted at the bottom end of an output rod of the first lifting cylinder, a scraping plate is fixedly mounted at the bottom of the flat plate, fixed arms are fixedly mounted at two ends of the lifting cross frame, a second lifting cylinder is fixedly mounted on the two fixed arms, a connecting rod is fixedly mounted at the end part of the output rod of the second, the dyeing machine is characterized in that the longitudinal rod penetrates through the fixed arm, the longitudinal rod is in sliding fit with the fixed arm, the bottom end of the longitudinal rod is fixedly connected with the printing frame, a silk screen is installed on the printing frame, a dyeing box is fixedly installed on the upper surface of the flat plate, a discharging pipe is fixedly installed at the bottom of the dyeing box, the bottom end of the discharging pipe extends to the lower side of the flat plate, and an electromagnetic valve is installed on the discharging pipe;
the utility model discloses a bag drying machine, including casing, lower side inner wall fixed mounting of casing has a bag mechanism that turns over, turn over the top of bag mechanism and install two mounting brackets, two all install two fixture on the mounting bracket, the lower side inner wall of casing still fixed mounting have two to rise the board cylinder, two the output pole top of rising the board cylinder all with the bottom surface fixed connection of backup pad, the backup pad is located the below of mounting bracket, the bottom fixed mounting of backup pad has the drying-machine, correspond drying-machine place position department in the backup pad and seted up a plurality of ventilation hole.
Further, the inboard vertical threaded rod that is provided with of supporting seat, the upper and lower end of threaded rod rotates through upside inner wall, the downside inner wall of bearing and supporting seat respectively and is connected, threaded connection has the diaphragm on the threaded rod, two perpendicular grooves have been seted up on one side lateral wall of supporting seat, the both ends of diaphragm are bent and are passed perpendicular groove, just the both ends of diaphragm all with lift crossbearer fixed connection.
Furthermore, one side of the lifting cross frame is rotated to be provided with two belt pulleys, the two belt pulleys are connected through belt transmission, the other side of the lifting cross frame is fixedly provided with a motor III, the output shaft end of the motor III is fixedly connected with one of the belt pulleys, and one end of the moving arm is fixedly connected with one side of the belt.
Furthermore, two first sliding rails are transversely fixed on the lifting cross frame, one end of the moving arm is fixedly provided with two first sliding blocks, and the moving arm is connected with the lifting cross frame in a sliding mode through the first sliding blocks and the first sliding rails.
Further, the bag turning mechanism comprises a support frame, two moving seats are movably mounted on the support frame, two moving cylinders are fixedly mounted on the support frame, the end parts of output rods of the two moving cylinders are fixedly connected with the two moving seats respectively, vertical rods are fixedly mounted on the tops of the two moving seats, a bag turning joint is fixedly mounted on the top of each vertical rod, a first gear and a second gear are arranged on the inner side of the bag turning joint and meshed with each other, the second gear is rotatably connected with the bag turning joint, a fixed column is fixedly mounted on the second gear, an arc-shaped guide groove is formed in the side wall of one side of the bag turning joint, one end of the fixed column penetrates through the arc-shaped guide groove and extends to the outer side of the bag turning joint, a bag turning cylinder is hinged to one side of the vertical rod, and one end, located on the outer side of the bag turning joint, of the fixed column is rotatably, the first gear is fixedly mounted on the connecting shaft, the connecting shaft is rotatably connected with the bag turning joint through a bearing, and one end of the connecting shaft extends to the outer side of the bag turning joint and is fixedly connected with the mounting frame.
Further, two slide rails II are fixedly mounted on the support frame, two slide blocks II are fixedly mounted on the moving seat, and the moving seat is connected with the support frame in a sliding mode through the slide blocks II and the slide rails II.
Furthermore, the clamping mechanism comprises two crawler belts and two clamping cylinders, the two crawler belts are distributed up and down, the crawler belt comprises two side plates and a conveyor belt, two driving rollers are rotatably arranged between the two side plates and connected through the conveyor belt, one of the side plates is fixedly provided with a motor I, an output shaft of the motor I is fixedly connected with one of the driving rollers, two parallel hinged rods are hinged on the two side plates, one end of the hinged rod, which is far away from the side plates, is hinged with the mounting frame, push rods are hinged on the two side plates, one ends of the two push rods, which are far away from the side plates, are respectively hinged with the two sides of the moving block, the movable block is slidably mounted on the mounting frame, the two clamping cylinders are fixedly connected with the mounting frame, and the end parts of the output rods of the clamping cylinders are fixedly connected with the corresponding movable blocks.
A printing process of an energy-saving packaging bag printing device specifically comprises the following steps:
the packaging bag clamping mechanism comprises a clamping mechanism, a dust cover, a belt conveyor, a clamping cylinder, a movable block, a push rod and a clamping mechanism, wherein the clamping mechanism is arranged on the dust cover;
step two, starting two bag lifting cylinders, driving a supporting plate to ascend by the aid of the two plate lifting cylinders, enabling the upper surface of the supporting plate to be in close contact with the bottom surface of a clamped packaging bag, starting a motor II, driving a threaded rod to rotate by the motor II, driving a lifting cross frame to descend by the threaded rod through a transverse plate, driving a printing frame to descend to the upper surface of the packaging bag, opening a solenoid valve on a discharging pipe, enabling dye in a dye box to fall onto a silk screen through the discharging pipe, driving a scraping plate to descend onto the upper surface of the silk screen by the lifting cylinder, starting a motor III, driving a moving arm to move back and forth on the lifting cross frame by the motor three through a belt pulley and a belt, driving the scraping plate to move back and forth on the silk screen, printing patterns on one side surface of the packaging bag, driving the supporting plate to descend by the plate lifting cylinders, starting the two, the first gear drives the connecting shaft to rotate and drives the mounting frame and the clamping mechanism to rotate, so that the packaging bag is turned over by one hundred eighty degrees, the dryer is started, and the dryer dries the printed patterns;
and step three, repeating the step two, printing the pattern on the surface of the other side of the packaging bag, starting the motor I, enabling the output shafts of the two motors I in the same clamping mechanism to rotate in opposite directions, driving the conveyor belt to rotate by the motor I, and driving the printed packaging bag to move to another belt conveyor to be conveyed and collected.
The invention has the beneficial effects that:
the invention drives a packaging bag to enter a dust cover through a belt conveyor, and moves the packaging bag between two tracks, a clamping cylinder drives a moving block to move on a mounting frame, the moving block drives the tracks to move through a push rod, so that the two tracks of a clamping mechanism move oppositely and clamp and fix the packaging bag, a supporting plate is driven to ascend through a lifting plate cylinder, the upper surface of the supporting plate is in close contact with the bottom surface of the clamped packaging bag, a threaded rod is driven to rotate through a motor II, the threaded rod drives a lifting cross frame to descend through a transverse plate and drive a printing frame to descend to the upper surface of the packaging bag, a solenoid valve on a discharging pipe is opened, dye in a dye box falls onto a silk screen through the discharging pipe, the lifting cylinder drives a scraper to descend to the upper surface of the silk screen, the motor III drives a moving arm to move back and forth on the lifting cross frame through, printing a pattern on one side surface of a packaging bag, driving a supporting plate to descend by a plate lifting cylinder, starting two bag turning cylinders, driving a second gear to rotate through a fixed column by the bag turning cylinders, driving a first gear meshed with the second gear to rotate by the second gear, driving a connecting shaft to rotate by the first gear, and driving a mounting frame and a clamping mechanism to rotate, so that the packaging bag is turned over by one hundred eighty degrees, starting a dryer, drying the printed pattern by the dryer, and printing the pattern on the other side surface of the packaging bag.
According to the invention, the dryer is arranged at the bottom of the supporting plate, and the packaging bag after being printed and turned is dried by the dryer, the dryer is positioned in the shell, the top of the shell is shielded by the dust cover and the two belt conveyors, so that hot air after the drying operation of the dryer can continuously exist in the shell, and the internal temperature of the shell is always at a higher level, so that the packaging bag is quickly dried, the drying efficiency is improved, the drying time is greatly reduced, and the energy is saved;
according to the printing device, the two moving cylinders drive the two moving seats to move oppositely or reversely, the two moving seats drive the two bag turning joints to move oppositely or reversely and drive the two mounting frames to move oppositely or reversely, and the distance between the clamping mechanisms on the two mounting frames is adjusted, so that packaging bags with different widths are clamped and printed.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of an energy-saving printing apparatus for packaging bags according to the present invention;
FIG. 2 is a cross-sectional view of an energy-saving printing apparatus for packaging bags according to the present invention;
FIG. 3 is a partial structural view of an energy-saving printing device for packaging bags according to the present invention;
FIG. 4 is an internal structure view of the support base of the present invention;
FIG. 5 is an assembled view of the mounting bracket and clamping mechanism of the present invention;
FIG. 6 is a perspective view of the bag flipping mechanism of the present invention;
fig. 7 is a partial structural sectional view of the bag turning mechanism of the present invention.
In the figure: 1. a housing; 2. a dust cover; 3. a belt conveyor; 4. a supporting seat; 5. a lifting cross frame; 6. a bag turning mechanism; 7. a mounting frame; 8. a dryer; 9. a plate lifting cylinder; 10. a support plate; 11. a moving arm; 12. a first lifting cylinder; 13. a squeegee; 14. a fixed arm; 15. a printing frame; 16. a second lifting cylinder; 17. a connecting rod; 18. a longitudinal bar; 19. a crawler belt; 191. a side plate; 192. a conveyor belt; 20. a clamping cylinder; 21. a moving block; 22. a push rod; 23. a hinged lever; 24. a first motor; 25. a threaded rod; 26. a second motor; 27. a transverse plate; 28. a support frame; 29. a movable seat; 30. a moving cylinder; 31. a vertical rod; 32. a bag turning joint; 33. a bag turning cylinder; 34. a first gear; 35. a second gear; 36. fixing a column; 37. a connecting shaft; 38. a third motor; 39. a dye box; 40. a discharge pipe; 41. a flat plate; 42. and (4) silk screen.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, an energy-saving printing device for packaging bags comprises a housing 1, wherein a dust cover 2 is fixedly mounted at the top of the housing 1, openings are formed at the bottoms of the end surfaces at the two ends of the dust cover 2, belt conveyors 3 are arranged on the two sides of the dust cover 2, a supporting seat 4 is fixedly mounted on the inner wall of one side of the dust cover 2, a lifting cross frame 5 is movably mounted on one side of the supporting seat 4 along the vertical direction, a moving arm 11 is movably mounted on one side of the lifting cross frame 5 along the horizontal direction, a lifting cylinder I12 is fixedly mounted on the moving arm 11, a flat plate 41 is fixedly mounted at the bottom end of an output rod of the lifting cylinder I12, a scraping plate 13 is fixedly mounted at the bottom of the flat plate 41, fixed arms 14 are fixedly mounted at the two ends of the lifting cross frame 5, and a, a connecting rod 17 is fixedly installed at the end part of an output rod of the second lifting cylinder 16, longitudinal rods 18 are vertically fixed at two ends of the connecting rod 17, the longitudinal rods 18 penetrate through the fixing arm 14, the longitudinal rods 18 are in sliding fit with the fixing arm 14, the bottom end of each longitudinal rod 18 is fixedly connected with the printing frame 15, a silk screen 42 is installed on each printing frame 15, a dye box 39 is fixedly installed on the upper surface of the flat plate 41, a discharge pipe 40 is fixedly installed at the bottom of the dye box 39, the bottom end of the discharge pipe 40 extends to the lower part of the flat plate 41, and an electromagnetic valve is installed on the discharge pipe 40;
the utility model discloses a bag machine, including casing 1, downside inner wall fixed mounting of casing 1 has bag mechanism 6, two mounting brackets 7 are installed at the top of bag mechanism 6, two all install two fixture on the mounting bracket 7, the downside inner wall of casing 1 still fixed mounting has two to rise board cylinder 9, two the output pole top of rising board cylinder 9 all with the bottom surface fixed connection of backup pad 10, backup pad 10 is located the below of mounting bracket 7, the bottom fixed mounting of backup pad 10 has drying-machine 8, a plurality of ventilation hole has been seted up to the position department of corresponding drying-machine 8 place in backup pad 10.
The inboard vertical threaded rod 25 that is provided with of supporting seat 4, the upper and lower end of threaded rod 25 is rotated through upside inner wall, the downside inner wall of bearing and supporting seat 4 respectively and is connected, threaded connection has diaphragm 27 on the threaded rod 25, two perpendicular grooves have been seted up on one side lateral wall of supporting seat 4, the both ends of diaphragm 27 are bent and are passed perpendicular groove, just the both ends of diaphragm 27 all with 5 fixed connection of lift crossbearer.
Two belt pulleys are installed in one side rotation of lift crossbearer 5, are connected through belt transmission between two belt pulleys, the opposite side fixed mounting of lift crossbearer 5 has motor three 38, the output shaft end and one of them belt pulley fixed connection of motor three 38, the one end of removal arm 11 and one side fixed connection of belt.
Two first sliding rails are transversely fixed on the lifting cross frame 5, two first sliding blocks are fixedly mounted at one end of the moving arm 11, and the moving arm 11 is slidably connected with the lifting cross frame 5 through the first sliding blocks and the first sliding rails.
The bag turning mechanism 6 comprises a support frame 28, two moving seats 29 are movably mounted on the support frame 28, two moving cylinders 30 are fixedly mounted on the support frame 28, the end portions of output rods of the two moving cylinders 30 are fixedly connected with the two moving seats 29 respectively, vertical rods 31 are fixedly mounted at the tops of the two moving seats 29, bag turning joints 32 are fixedly mounted at the tops of the vertical rods 31, a first gear 34 and a second gear 35 are arranged on the inner sides of the bag turning joints 32, the first gear 34 and the second gear 35 are meshed with each other, the second gear 35 is rotatably connected with the bag turning joints 32, fixed columns 36 are fixedly mounted on the second gear 35, an arc-shaped guide groove is formed in the side wall of each bag turning joint 32, one end of each fixed column 36 penetrates through the arc-shaped guide groove and extends to the outer side of each bag turning joint 32, and a bag turning cylinder 33 is hinged to one side of each, the end, located on the outer side of the bag turning joint 32, of the fixing column 36 is rotatably connected with the end portion of the output rod of the bag turning cylinder 33, the first gear 34 is fixedly installed on the connecting shaft 37, the connecting shaft 37 is rotatably connected with the bag turning joint 32 through a bearing, and one end of the connecting shaft 37 extends to the outer side of the bag turning joint 32 and is fixedly connected with the mounting frame 7.
Two sliding rails II are fixedly mounted on the supporting frame 28, two sliding blocks II are fixedly mounted on the moving seat 29, and the moving seat 29 is connected with the supporting frame 28 in a sliding mode through the sliding blocks II and the sliding rails II.
The clamping mechanism comprises two crawler belts 19 and two clamping cylinders 20, the two crawler belts 19 are vertically distributed, the crawler belt 19 comprises two side plates 191 and a conveyor belt 192, two drive rollers are rotatably mounted between the two side plates 191 and connected through the conveyor belt 192, one side plate 191 is fixedly provided with a motor 24, an output shaft of the motor 24 is fixedly connected with one of the drive rollers, the two side plates 191 are hinged with two hinge rods 23 which are parallel to each other, one end of each hinge rod 23, far away from the side plate 191, is hinged with the mounting frame 7, the two side plates 191 are hinged with push rods 22, one ends, far away from the side plates 191, of the two push rods 22 are respectively hinged with two sides of the moving block 21, the moving block 21 is slidably mounted on the mounting frame 7, and the two clamping cylinders 20 are fixedly connected with the mounting frame 7, the end of the output rod of the clamping cylinder 20 is fixedly connected with the corresponding moving block 21.
A printing process of an energy-saving packaging bag printing device specifically comprises the following steps:
step one, placing the packaging bags on one belt conveyor 3, wherein the belt conveyor 3 drives the packaging bags to penetrate through an opening in one end of a dust cover 2 and enter the dust cover 2, the packaging bags are moved between two crawler belts 19, a clamping cylinder 20 drives a moving block 21 to move on a mounting frame 7, the moving block 21 drives the crawler belts 19 to move through a push rod 22, and the two crawler belts 19 of a clamping mechanism move oppositely and clamp and fix the packaging bags;
step two, starting two plate lifting air cylinders 9, the plate lifting air cylinders 9 drive a supporting plate 10 to ascend, the upper surface of the supporting plate 10 is in close contact with the bottom surface of a clamped packaging bag, starting a motor two 26, the motor two 26 drives a threaded rod 25 to rotate, the threaded rod 25 drives a lifting cross frame 5 to descend through a transverse plate 27 and drives a printing frame 15 to descend to the upper surface of the packaging bag, opening an electromagnetic valve on a discharging pipe 40, dye in a dye box 39 falls onto a silk screen 42 through the discharging pipe 40, a lifting air cylinder one 12 drives a scraping plate 13 to descend to the upper surface of the silk screen 42, starting a motor three 38, driving a moving arm 11 to move back and forth on the lifting cross frame 5 through a belt pulley and a belt by the motor three 38 and driving the scraping plate 13 to move back and forth on the silk screen 42 to print a pattern on one side surface of the packaging bag, the plate lifting air cylinders 9 drive the supporting plate 10 to descend, starting, the second gear 35 drives the first gear 34 meshed with the second gear to rotate, the first gear 34 drives the connecting shaft 37 to rotate and drives the mounting frame 7 and the clamping mechanism to rotate, so that the packaging bag is turned over by one hundred eighty degrees, the dryer 8 is started, and the dryer 8 dries the printed patterns;
and step three, repeating the step two, printing the pattern on the surface of the other side of the packaging bag, starting the motor I24, enabling the output shafts of the two motors I24 in the same clamping mechanism to rotate in opposite directions, driving the conveyor belt 192 to rotate by the motor I24, and driving the printed packaging bag to move to the other belt conveyor 3 for conveying and collecting.
The invention drives the packaging bag to enter the dust cover 2 through the belt conveyor 3, and moves the packaging bag between the two crawler belts 19, the clamping cylinder 20 drives the moving block 21 to move on the mounting frame 7, the moving block 21 drives the crawler belts 19 to move through the push rod 22, so that the two crawler belts 19 of the clamping mechanism move oppositely and clamp and fix the packaging bag, the lifting plate cylinder 9 drives the supporting plate 10 to ascend, the upper surface of the supporting plate 10 is in close contact with the bottom surface of the clamped packaging bag, the motor II 26 drives the threaded rod 25 to rotate, the threaded rod 25 drives the lifting cross frame 5 to descend through the transverse plate 27 and drives the printing frame 15 to descend to the upper surface of the packaging bag, the electromagnetic valve on the discharging pipe 40 is opened, the dye in the dye box 39 falls onto the silk screen 42 through the discharging pipe 40, the lifting cylinder I12 drives the scraper 13 to descend to the upper surface of the, The belt drives the moving arm 11 to move back and forth on the lifting cross frame 5 and drives the scraper 13 to move back and forth on the silk screen 42, a pattern is printed on one side surface of the packaging bag, the lifting plate cylinder 9 drives the supporting plate 10 to descend, the two bag turning cylinders 33 are started, the bag turning cylinders 33 drive the second gear 35 to rotate through the fixed column 36, the second gear 35 drives the first gear 34 meshed with the second gear to rotate, the first gear 34 drives the connecting shaft 37 to rotate and drives the mounting frame 7 and the clamping mechanism to rotate, the packaging bag is turned over by one hundred eighty degrees, the dryer 8 is started, the dryer 8 dries the printed pattern, and the pattern is printed on the other side surface of the packaging bag;
according to the invention, the dryer 8 is arranged at the bottom of the supporting plate 10, and the packaging bag after being printed and turned is dried by the dryer 8, the dryer 8 is positioned in the shell 1, the top of the shell 1 is shielded by the dust cover 2 and the two belt conveyors 3, so that hot air after the drying operation of the dryer 8 can continuously exist in the shell 1, the internal temperature of the shell 1 is always at a higher level, the packaging bag is dried quickly, the drying efficiency is improved, the drying time is greatly reduced, and the energy is saved;
according to the invention, the two moving seats 29 are driven by the two moving cylinders 30 to move oppositely or reversely, the two moving seats 29 drive the two bag turning joints 32 to move oppositely or reversely, the two mounting frames 7 are driven to move oppositely or reversely, and the distance between the clamping mechanisms on the two mounting frames 7 is adjusted, so that the packaging bags with different widths are clamped and printed.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (8)

1. The energy-saving printing device for the packaging bag is characterized by comprising a shell (1), wherein a dust cover (2) is fixedly mounted at the top of the shell (1), openings are formed in the bottoms of the end faces of the two ends of the dust cover (2), belt conveyors (3) are arranged on the two sides of the dust cover (2), a supporting seat (4) is fixedly mounted on the inner wall of one side of the dust cover (2), a lifting cross frame (5) is movably mounted on one side of the supporting seat (4) along the vertical direction, a moving arm (11) is movably mounted on one side of the lifting cross frame (5) along the horizontal direction, a lifting cylinder I (12) is fixedly mounted on the moving arm (11), a flat plate (41) is fixedly mounted at the bottom end of an output rod of the lifting cylinder I (12), a scraper blade (13) is fixedly mounted at the bottom of the flat plate (41), and fixed arms (14) are fixedly mounted at, two lifting cylinders II (16) are fixedly mounted on the fixed arms (14), a connecting rod (17) is fixedly mounted at the end part of an output rod of each lifting cylinder II (16), longitudinal rods (18) are vertically fixed at two ends of the connecting rod (17), the longitudinal rods (18) penetrate through the fixed arms (14), the longitudinal rods (18) are in sliding fit with the fixed arms (14), the bottom end of each longitudinal rod (18) is fixedly connected with the printing frame (15), a silk screen (42) is mounted on the printing frame (15), a dye box (39) is fixedly mounted on the upper surface of the flat plate (41), a discharge pipe (40) is fixedly mounted at the bottom of the dye box (39), the bottom end of the discharge pipe (40) extends to the lower part of the flat plate (41), and an electromagnetic valve is mounted on the discharge pipe (40);
the utility model discloses a bag drying machine, including casing (1), downside inner wall fixed mounting of casing (1) has bag mechanism (6) of turning over, turn over the top of bag mechanism (6) and install two mounting brackets (7), two all install two fixture on mounting bracket (7), the downside inner wall of casing (1) is fixed mounting still has two riser cylinders (9), two the output pole top of riser cylinder (9) all with the bottom surface fixed connection of backup pad (10), backup pad (10) are located the below of mounting bracket (7), the bottom fixed mounting of backup pad (10) has drying-machine (8), it has a plurality of ventilation hole to correspond drying-machine (8) position department on backup pad (10).
2. The energy-saving printing device for the packaging bags according to claim 1, wherein a threaded rod (25) is vertically arranged on the inner side of the supporting seat (4), the upper end and the lower end of the threaded rod (25) are respectively rotatably connected with the inner wall of the upper side and the inner wall of the lower side of the supporting seat (4) through bearings, a transverse plate (27) is connected to the threaded rod (25) through threads, two vertical grooves are formed in the side wall of one side of the supporting seat (4), the two ends of the transverse plate (27) are bent and penetrate through the vertical grooves, and the two ends of the transverse plate (27) are fixedly connected with the lifting cross frame (5).
3. The energy-saving printing device for the packaging bags according to claim 1, wherein two belt pulleys are rotatably mounted on one side of the lifting cross frame (5), the two belt pulleys are connected through belt transmission, a motor III (38) is fixedly mounted on the other side of the lifting cross frame (5), an output shaft end of the motor III (38) is fixedly connected with one of the belt pulleys, and one end of the moving arm (11) is fixedly connected with one side of the belt.
4. The energy-saving printing device for the packaging bags according to claim 1, wherein two first sliding rails are transversely fixed on the lifting cross frame (5), two first sliding blocks are fixedly installed at one end of the moving arm (11), and the moving arm (11) is slidably connected with the lifting cross frame (5) through the first sliding blocks and the first sliding rails.
5. The energy-saving printing device for the packaging bags according to claim 1, wherein the bag turning mechanism (6) comprises a support frame (28), two moving seats (29) are movably mounted on the support frame (28), two moving cylinders (30) are fixedly mounted on the support frame (28), the end parts of output rods of the two moving cylinders (30) are respectively and fixedly connected with the two moving seats (29), vertical rods (31) are fixedly mounted on the tops of the two moving seats (29), a bag turning joint (32) is fixedly mounted on the top of each vertical rod (31), a first gear (34) and a second gear (35) are arranged on the inner side of the bag turning joint (32) and are meshed with each other, the second gear (35) is rotatably connected with the bag turning joint (32), a fixed column (36) is fixedly mounted on the second gear (35), an arc-shaped guide groove is formed in the side wall of one side of the bag turning joint (32), one end of the fixing column (36) penetrates through the arc-shaped guide groove and extends to the outer side of the bag turning joint (32), the bag turning cylinder (33) is hinged to one side of the vertical rod (31), the fixing column (36) is located at one end of the outer side of the bag turning joint (32) and is connected with the end part of an output rod of the bag turning cylinder (33) in a rotating mode, the first gear (34) is fixedly installed on the connecting shaft (37), the connecting shaft (37) is connected with the bag turning joint (32) in a rotating mode through a bearing, and one end of the connecting shaft (37) extends to the outer side of the bag turning joint (32) and is fixedly connected with.
6. The energy-saving printing device for the packaging bags according to claim 5, wherein two second sliding rails are fixedly mounted on the supporting frame (28), two second sliding blocks are fixedly mounted on the two moving seats (29), and the moving seats (29) are slidably connected with the supporting frame (28) through the second sliding blocks and the second sliding rails.
7. The energy-saving printing device for the packaging bags according to claim 1, wherein the clamping mechanism comprises two crawler belts (19) and two clamping cylinders (20), the two crawler belts (19) are distributed up and down, the crawler belt (19) comprises two side plates (191) and a conveyor belt (192), two driving rollers are rotatably mounted between the two side plates (191) and connected through the conveyor belt (192), one of the side plates (191) is fixedly provided with a first motor (24), an output shaft of the first motor (24) is fixedly connected with one of the driving rollers, two parallel hinge rods (23) are hinged on the two side plates (191), one end of each hinge rod (23) far away from the side plate (191) is hinged with the mounting frame (7), and a push rod (22) is hinged on each of the two side plates (191), one ends, far away from the side plates (191), of the two push rods (22) are hinged to two sides of a moving block (21) respectively, the moving block (21) is installed on an installation frame (7) in a sliding mode, the two clamping cylinders (20) are fixedly connected with the installation frame (7), and the end portions of output rods of the clamping cylinders (20) are fixedly connected with the corresponding moving blocks (21).
8. The printing process of the energy-saving printing device for the packaging bags according to any one of claims 1 to 7, is characterized by comprising the following steps:
the packaging bag clamping mechanism comprises a first step of placing a packaging bag on one belt conveyor (3), wherein the belt conveyor (3) drives the packaging bag to penetrate through an opening in one end of a dust cover (2) and enter the dust cover (2), the packaging bag is moved between two tracks (19), a clamping cylinder (20) drives a moving block (21) to move on a mounting frame (7), the moving block (21) drives the tracks (19) to move through a push rod (22), and the two tracks (19) of the clamping mechanism move oppositely and clamp and fix the packaging bag;
step two, starting two plate lifting cylinders (9), driving a supporting plate (10) to ascend by the plate lifting cylinders (9), enabling the upper surface of the supporting plate (10) to be in close contact with the bottom surface of the clamped packaging bag, starting a motor II (26), driving a threaded rod (25) to rotate by the motor II (26), driving a lifting cross frame (5) to descend by the threaded rod (25) through a transverse plate (27), driving a printing frame (15) to descend to the upper surface of the packaging bag, opening an electromagnetic valve on a discharging pipe (40), enabling dye in a dye box (39) to fall onto a silk screen (42) through the discharging pipe (40), driving a scraping plate (13) to descend to the upper surface of the silk screen (42) by a lifting cylinder I (12), starting a motor III (38), driving a moving arm (11) to move back and forth on the lifting cross frame (5) through a belt pulley and a belt, and driving the scraping plate (13) to move back and forth on the silk screen, printing a pattern on one side surface of a packaging bag, driving a supporting plate (10) to descend by a plate lifting cylinder (9), starting two bag turning cylinders (33), driving a second gear (35) to rotate by the bag turning cylinders (33) through a fixing column (36), driving a first gear (34) meshed with the second gear to rotate by the second gear (35), driving a connecting shaft (37) to rotate by the first gear (34), driving an installing frame (7) and a clamping mechanism to rotate, turning the packaging bag by one hundred eighty degrees, starting a dryer (8), and drying the printed pattern by the dryer (8);
and step three, repeating the step two, printing the pattern on the surface of the other side of the packaging bag, starting the motor I (24), enabling the output shafts of the two motors I (24) in the same clamping mechanism to rotate in opposite directions, driving the conveyor belt (192) to rotate by the motor I (24), and driving the printed packaging bag to move to the other belt conveyor (3) to be conveyed and collected.
CN202110054245.2A 2021-01-15 2021-01-15 Energy-saving packaging bag printing device and printing process thereof Active CN112810299B (en)

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