CN216466765U

CN216466765U - Satellite type flexible plate printing machine with automatic sheet changing manipulator

Info

Publication number: CN216466765U
Application number: CN202122294732.4U
Authority: CN
Inventors: 孙正成; 鲁玉宝
Original assignee: Qingzhou Mengte Machinery Co ltd
Current assignee: Qingzhou Mengte Machinery Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-05-10
Anticipated expiration: 2031-09-22

Abstract

The utility model provides a satellite-type flexible plate printing machine with an automatic mechanical arm changing unit, which comprises an unreeling unit, a tension unit, a printing unit, a drying unit, a reeling unit and a mechanical arm changing unit, wherein the printing unit comprises a first mounting frame, a central roller is rotatably mounted on the first mounting frame through a mounting shaft, a plurality of printing group supports are mounted on the first mounting frame, all the printing group supports are annularly arranged around the central roller, a printing roller and an anilox roller are mounted on each printing group support, each printing roller and each anilox roller are parallel to the central roller, the mounting shaft, the printing rollers and the anilox rollers are jointly connected with a transmission mechanism, and each printing roller and each anilox roller are mounted on the corresponding printing group support through a locking mechanism. Greatly reducing the mechanical damage of the equipment and improving the stability and the working efficiency of the equipment.

Description

Satellite type flexible plate printing machine with automatic sheet changing manipulator

Technical Field

The utility model relates to the technical field of printing equipment, in particular to a satellite type flexible plate printing machine with a manipulator capable of automatically changing a plate.

Background

Satellite flexographic printing machines are becoming increasingly popular with printing manufacturers due to their high speed and ease of operation. The satellite flexographic printing machines are classified into servo-driven and gear-driven according to the driving type, wherein the gear-driven satellite flexographic printing machines are most commonly used.

The prior gear-driven satellite type flexible plate printing machine mainly has the following problems: firstly, the printing repeated printing circumference is multiplied by the pitch of the gear, that is, the smaller the pitch of the gear is, the better the pitch is, but the influence of the large transmission torque is caused, and the mass of the central roller used on the printing unit is large, so that the pitch of the gear cannot be made small in order to reduce the damage of the gear, and the printing efficiency of the printing machine is lower; secondly, in the printing process, when the gear on the printing roller is meshed with the gear on the central roller, the gear-jacking phenomenon that the gear tops of the two gears collide firstly to cause that the two gears cannot be meshed easily occurs, and the mechanical damage of equipment is easily caused.

Therefore, there is a need for a robotic auto-change satellite flexographic printing press that solves the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a satellite-type flexible plate printing machine with a manipulator capable of automatically changing a single type, which adopts a transmission mode that plate roller transmission and printing unit main transmission are separated, solves the problem that a gear top tooth phenomenon is easy to occur when gears are meshed, greatly reduces the mechanical damage of equipment, and improves the stability and the working efficiency of the equipment.

The technical scheme of the utility model is realized as follows:

the satellite-type flexographic printing machine with the automatic sheet changing function of the manipulator comprises a machine frame, wherein an unreeling unit, a tension unit, a printing unit, a drying unit and a reeling unit are sequentially arranged on the machine frame along the printing direction, a manipulator list changing unit is arranged on one side of the printing unit, the printing unit comprises a first mounting frame, the first mounting frame is rotatably provided with a central roller through a mounting shaft, the first mounting frame is provided with a plurality of printing group supports, all the printing group supports are annularly arranged around the central roller, each printing group support is provided with a printing roller and an anilox roller, each printing roller and each anilox roller are parallel to the central roller, the installation axle, version roller and reticulation roller are connected with a drive mechanism jointly, each version roller and reticulation roller all install in corresponding through locking mechanism on the seal group support.

As an optimal technical scheme, drive mechanism is including being fixed in gear motor on the first mounting bracket, gear motor's motor shaft transmission is connected with driving pulley, the one end fixed mounting of installation axle has driven pulleys, driven pulleys with driving pulley looks adaptation, it is equipped with a synchronous belt to wind jointly on driven pulleys and the driving pulley, the other end fixed mounting of installation axle has drive gear, each equal fixed mounting has a version roller gear on the version roller, each version roller gear all with drive gear meshes mutually, each equal fixed mounting has a reticulation roller gear on the reticulation roller, each reticulation roller gear all with correspond version roller gear meshes mutually.

As a preferable technical scheme, the tooth tops of all the gear teeth on the transmission gear, the plate roller gear and the reticulate pattern roller gear are all arc surfaces.

As an optimal technical scheme, the manipulator trades single unit include along horizontal direction slidable mounting in portal frame on the support frame, the slip direction perpendicular to of portal frame the axial of center roller, the portal frame is connected with and is used for the drive the first power unit that the portal frame removed, there is a pair of bearing seat, two along vertical direction slidable mounting on the portal frame bearing seat is connected with a second power unit jointly, each all articulated on the bearing seat have one to be used for the bearing arm of version roller and reticulation roller, each bearing arm with all articulated a swing cylinder jointly between the bearing seat.

As a preferred technical scheme, the first power mechanism comprises a pair of driving gears rotatably mounted on the portal frame, each driving gear is in transmission connection with a first servo motor, two fixed longitudinal beams are fixed on the support frame, a rack is fixed on each fixed longitudinal beam, each fixed longitudinal beam and each rack extend along the sliding direction of the portal frame, and each rack is meshed with the driving gear.

As a preferred technical scheme, the second power mechanism comprises two transmission shafts rotatably mounted at the top of the portal frame, the two transmission shafts are coaxially arranged, each transmission shaft extends along the direction perpendicular to the sliding direction of the portal frame, one ends of the two transmission shafts opposite to each other are connected with a second servo motor through a worm and gear mechanism in a transmission manner, the other end of each transmission shaft is fixedly provided with an upper fixed chain wheel, the lower end of the portal frame is rotatably provided with a pair of lower fixed chain wheels, the two lower fixed chain wheels are oppositely arranged, each bearing seat is provided with a first movable chain wheel and a second movable chain wheel, the portal frame is fixedly provided with two chains, two ends of each chain are respectively fixed at the upper end and the lower end of the portal frame, and each chain sequentially bypasses the corresponding first movable chain wheel and second movable chain wheel along the power transmission sequence, The upper fixed chain wheel, the lower fixed chain wheel and the second movable chain wheel.

As an optimal technical scheme, each locking mechanism all includes a pair of second mounting bracket, each the second mounting bracket is all installed in the correspondence on the seal group support, each the second mounting bracket all includes relative bearing frame and the locking lid that sets up, each all form a mounting chamber between bearing frame and the locking lid, each the both ends of version roller and reticulation roller are equallyd divide and are passed the correspondence respectively the mounting chamber, each the bearing frame all is fixed in on the seal group support, each the one end of locking lid all with correspond the bearing frame articulates together, each all install a closed depression bar on the inner wall of locking lid hinged end, each closed depression bar all follows the axial vertical direction of mounting chamber extends.

As an optimal technical scheme, the other end of each locking cover is hinged with a locking rotating arm, the hinged end of each locking rotating arm is provided with a force application block, one side wall of each force application block and a compression spring are connected between the locking covers together, the other side of each force application block is provided with a second swing cylinder for pushing the force application block, each other end of each locking rotating arm is provided with a locking hook, each bearing seat is provided with a locking pin shaft, and each locking pin shaft is matched with the locking hook.

As an optimal technical scheme, the tension unit including set up in unreel the mount between unit and the rolling unit, be provided with two sets of tension roller sets on the mount, each the tension roller set all includes a plurality of tension rollers, each is walked around in proper order along the printing direction to the printing paper the tension roller.

By adopting the technical scheme, the utility model has the beneficial effects that:

the satellite-type flexographic printing machine comprises an unwinding unit, a tension unit, a printing unit, a drying unit and a winding unit, wherein a large paper roll is installed on the unwinding unit and used for unwinding printing paper, the printing paper discharged from the unwinding unit is tensioned through the tension unit, the tensioned printing paper is guided to the printing unit for printing, the printed printing paper is guided into a drying box of the drying unit for drying, the dried printing paper is tensioned through the tension unit, and finally the printing paper is wound on a paper roll of the winding unit to finish printing.

Because the manipulator change unit is arranged on one side of the printing unit and comprises a portal frame, a bearing seat and a bearing arm, in the utility model, the manipulator change unit is used for automatically changing a printing roller and an anilox roller of the printing unit, taking the change of the printing roller as an example, a placing platform for placing the printing roller is arranged on one side of the printing unit, an operator controls the bearing arm to rotate and open through a first swinging air cylinder, controls the portal frame to horizontally slide through a first power mechanism, controls the bearing seat to lift on the portal frame through a second power mechanism to move the bearing arm to the position of the printing roller to be lifted on the placing platform, and because the free end of each bearing arm is provided with a limiting groove, when the bearing seat is driven to lift the printing roller through the second power mechanism, two ends of the printing roller can fall into the limiting grooves on the corresponding bearing arm, the roller is supported by the supporting arm, and then the roller is driven to the mounting position by an operator through controlling the first power mechanism and the second power mechanism to mount the roller.

According to the utility model, the mechanical arm unit changing unit realizes the automatic changing of the printing roller and the anilox roller on the printing unit, the operation simplicity of the satellite type flexible plate printing machine is greatly improved, the manual changing of the printing roller and the anilox roller on the printing unit by an operator is not needed, the automation degree of equipment and the printing efficiency are improved, and the labor force is saved.

The installation shaft, the printing roller and the anilox roller are connected with a transmission mechanism together, in the utility model, the speed reduction motor performs power transmission through the driving belt wheel, the synchronous belt and the driven belt wheel to drive the installation shaft and the central roller to rotate, the installation shaft performs power transmission through the transmission gear, the printing roller gear and the anilox roller gear to drive the printing roller and the anilox roller to rotate, the separation of printing roller transmission and main transmission is realized, the transmission gear only drives the printing roller and the anilox roller to rotate, and the transmission torque is smaller.

Because the tooth tops of each gear tooth on drive gear, version roller gear and reticulation roller gear are the arc surface, compare in the gear tooth top and be the gear of trapezoidal setting, the gear tooth top is the gear of arc surface, has effectively prevented the phenomenon of the apical tooth that appears when gear engagement, has solved the problem that the apical tooth phenomenon appears easily when gear engagement to effectively reduced the mechanical damage of equipment, and then improved the stability and the work efficiency of equipment.

In the utility model, taking the plate roller replacement as an example, an operator pushes a force application block at the hinged end of the locking rotating arm by controlling the cylinder rod of the second swing cylinder to extend out, and the force application block drives the locking rotating arm to rotate, so that a locking hook at the other end of the locking rotating arm is separated from a locking pin shaft on the bearing seat, and the unlocking of the locking cover is realized; then, an operator controls the manipulator to change the first power mechanism and the second power mechanism in the single unit, so that the two bearing arms respectively move to the positions, corresponding to the printing roller, on the printing unit, the two bearing arms are utilized to lift the two ends of the printing roller, the printing roller can push the locking cover to rotate around the hinged end in the lifting process, the locking cover is rotated and opened, the two ends of the printing roller are smoothly lifted out of the mounting cavity, and the separation of the printing roller and the printing group support is realized;

then, an operator uses the manipulator to change the single unit to lift a new plate roller above the corresponding printing group bracket, and to align two ends of the plate roller with the two corresponding mounting cavities, the manipulator to change the single unit is controlled to drive the plate roller to move downwards, two ends of the plate roller are gradually placed in the corresponding mounting cavities, the plate roller presses the closing pressure lever downwards in the placing process, the closing pressure lever drives the locking cover to rotate and close in the downward rotating process, after the plate roller is completely placed, the locking cover is also completely closed on the bearing seat, finally the operator controls the second swing air cylinder to withdraw the air cylinder rod pushing the force application block, the locking rotating arm rotates and returns under the action of the compression spring, so that the locking hook hooks the locking pin shaft, and the automatic replacement of the plate roller is completed, in the utility model, the matching of the manipulator to change the single unit and the locking mechanism is used to realize the automatic replacement of the plate roller and the anilox roller, the automation degree of the equipment and the efficiency of printing work are improved, and labor force is saved.

Because the tension unit comprises two groups of tension roller sets, one group of tension roller sets is used for tensioning the printing paper when unreeling, and the other group of tension roller sets is used for tensioning the printing paper when reeling, the tensioning of the printing paper in the whole printing process is ensured, and the printing effect of the utility model is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic view of the installation of a plate roll and an anilox roll in a printing unit according to the utility model;

FIG. 4 is an enlarged view of the structure at B in FIG. 3;

FIG. 5 is a schematic structural view of a transmission mechanism according to the present invention;

FIG. 6 is a schematic view of the configuration of the gear teeth on the gear of the present invention;

FIG. 7 is a schematic structural view of a second mount of the present invention;

FIG. 8 is a schematic structural view of the locking mechanism of the present invention in an unlocked state;

FIG. 9 is a schematic structural view of a robot blade changing unit according to the present invention;

fig. 10 is a schematic view of the power transmission sequence of the second power mechanism according to the present invention.

Wherein: 1. a frame; 2. an unwinding unit; 3. a tension unit; 4. a printing unit; 5. a drying unit; 6. a winding unit; 7. the manipulator changes the single unit; 8. a first mounting bracket; 9. installing a shaft; 10. a central roller; 11. a printing group bracket; 12. a printing roller; 13. an anilox roll; 14. a reduction motor; 15. a driving pulley; 16. a driven pulley; 17. a synchronous belt; 18. a transmission gear; 19. a plate roller gear; 20. a mesh roller gear; 21. gear teeth; 22. a gantry; 23. a bearing seat; 24. a support arm; 25. a first swing cylinder; 26. a drive gear; 27. a first servo motor; 28. fixing the longitudinal beam; 29. a rack; 30. a drive shaft; 31. a worm and gear mechanism; 32. a second servo motor; 33. an upper fixed sprocket; 34. a lower fixed sprocket; 35. a first movable sprocket; 36. a second movable sprocket; 37. a chain; 38. a second mounting bracket; 39. a bearing seat; 40. a locking cover; 41. a mounting cavity; 42. closing the pressure lever; 43. locking the rotating arm; 44. a force application block; 45. a compression spring; 46. a second swing cylinder; 47. locking the hook; 48. locking the pin shaft; 49. a fixed mount; 50. a tension roller; 51. placing a platform; 52. and (7) printing paper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.

In the present invention, a turret type non-stop unwinding device with patent application No. CN202010647904.9 and publication (publication) No. CN111532864B is cited as the unwinding unit 2 in the present invention, and is used for automatically unwinding the printing paper 52; the turret type non-stop winding device with the patent application number of CN202010648005.0 and the publication (publication) number of CN111531616A is used as the winding unit 6 in the present invention for automatically unwinding the printing paper 52.

As shown in fig. 1-10, the satellite-type flexographic printing machine with the automatic robot changing unit comprises a frame 1, wherein an unreeling unit 2, a tension unit 3 and a printing unit 4 are sequentially arranged on the frame 1 along the printing direction, drying unit 5 and rolling unit 6, one side of printing unit 4 is provided with manipulator and trades single unit 7, printing unit 4 includes first mounting bracket 8, install central roller 10 through installation axle 9 rotation on the first mounting bracket 8, install a plurality of seal group support 11 on the first mounting bracket 8, all seal group support 11 are the annular around central roller 10 and arrange, all install version roller 12 and anilox roller 13 on each seal group support 11, each version roller 12 and anilox roller 13 all parallel with central roller 10, installation axle 9, version roller 12 and anilox roller 13 are connected with a drive mechanism jointly, each version roller 12 and anilox roller 13 all install on corresponding seal group support 11 through locking mechanism.

As shown in fig. 1, 3 and 5, the transmission mechanism includes a decelerating motor 14 fixed on the first mounting frame 8, a driving pulley 15 is connected to a motor shaft of the decelerating motor 14 in a transmission manner, a driven pulley 16 is fixedly installed at one end of the mounting shaft 9, the driven pulley 16 is matched with the driving pulley 15, a synchronous belt 17 is wound on the driven pulley 16 and the driving pulley 15 together, a transmission gear 18 is fixedly installed at the other end of the mounting shaft 9, a plate roller gear 19 is fixedly installed on each plate roller 12, each plate roller gear 19 is engaged with the transmission gear 18, an anilox roller gear 20 is fixedly installed on each anilox roller 13, each anilox roller gear 20 is engaged with the corresponding plate roller gear 19, in the present invention, the decelerating motor 14 transmits power by using a pulley to drive the central drum 10 to rotate, the transmission gear 18 only drives the plate roller 12 and the anilox roller 13 to rotate, the transmission of the plate roller 12 is separated from the main transmission of the central roller 10, so that the transmission torque of the transmission gear 18 is greatly reduced, the printing unit 4 can adopt the transmission gear 18 with small tooth pitch, and the printing efficiency of the equipment is improved.

As shown in fig. 3 and 6, the tooth tops of each gear tooth 21 on the transmission gear 18, the plate roller gear 19 and the anilox roller gear 20 are all arc surfaces, so that the problem that the gear is easy to have a top tooth phenomenon when being meshed is solved, the mechanical damage of the equipment is effectively reduced, and the stability and the working efficiency of the equipment are improved.

Wherein, the manipulator change unit 7 comprises a portal frame 22 which is slidably mounted on the support frame along the horizontal direction, the sliding direction of the portal frame 22 is perpendicular to the axial direction of the central roller 10, the portal frame 22 is connected with a first power mechanism for driving the portal frame 22 to move, a pair of bearing seats 23 is slidably mounted on the portal frame 22 along the vertical direction, the two bearing seats 23 are jointly connected with a second power mechanism, each bearing seat 23 is hinged with a bearing arm 24 for bearing the printing roller 12 and the anilox roller 13, a first swing cylinder 25 is hinged between each bearing arm 24 and the bearing seat 23, in the utility model, taking the printing roller 12 to be changed as an example, the cylinder rod of the first swing cylinder 25 extends out to push the bearing arm 24 to rotate and open to the horizontal state, the portal frame 22 is driven to move in the horizontal direction by the first power mechanism, the bearing seats 23 and the bearing arm 24 are driven to lift in the vertical direction by the second power mechanism, the supporting arm 24 is used for lifting and moving the plate roller 12 placed on the placing platform 51, the plate roller 12 is moved to the position, where the plate roller 12 needs to be replaced, on the printing unit 4, an operator does not need to manually replace the plate roller 12 and the anilox roller 13 on the printing unit 4, and the operation simplicity of the satellite type flexible plate printing machine is greatly improved.

As shown in fig. 1, 2 and 9, the first power mechanism includes a pair of driving gears 26 rotatably mounted on the gantry 22, each driving gear 26 is in transmission connection with a first servo motor 27, two fixed longitudinal beams 28 are fixed on the support frame, a rack 29 is fixed on each fixed longitudinal beam 28, each fixed longitudinal beam 28 and each rack 29 extend along the sliding direction of the gantry 22, and each rack 29 is engaged with the driving gear 26.

As shown in fig. 9 and 10, the second power mechanism includes two transmission shafts 30 rotatably mounted on the portal frame 22, the two transmission shafts 30 are coaxially disposed, each transmission shaft 30 extends along a direction perpendicular to the sliding direction of the portal frame 22, one end of each transmission shaft 30 opposite to the other end is in transmission connection with a second servo motor 32 through a worm gear mechanism 31, in this embodiment, a motor shaft of the second servo motor 32 is in transmission connection with a worm, each transmission shaft 30 is provided with a worm wheel meshed with the worm, so that the worm and the worm wheel form a worm gear mechanism, and the second servo motor 32 drives the two transmission shafts 30 to rotate through power transmission of the worm gear mechanism 31; the other end of each transmission shaft 30 is fixed with an upper fixed chain wheel 33, the lower end of the portal frame 22 is rotatably provided with a pair of lower fixed chain wheels 34, the two lower fixed chain wheels 34 are arranged oppositely, each bearing seat 23 is provided with a first movable chain wheel 35 and a second movable chain wheel 36, the portal frame 22 is further fixed with two chains 37, the two ends of each chain 37 are fixed at the upper end and the lower end of the portal frame 22 respectively, and each chain 37 sequentially bypasses the first movable chain wheel 35, the upper fixed chain wheel 33, the lower fixed chain wheel 34 and the second movable chain wheel 36 along the power transmission sequence.

As shown in fig. 9 and 10, the supporting base 23 is disposed between the upper fixed chain wheel 33 and the lower fixed chain wheel 34, when the supporting base 23 is driven to ascend, the second servo motor 32 drives the two transmission shafts 30 to rotate through the worm gear mechanism 31, the transmission shafts 30 drive the upper fixed chain wheel 33 to rotate counterclockwise, the upper fixed chain wheel 33 rotating counterclockwise pulls the upper end of the chain 37, the length of the chain 37 between the upper fixed chain wheel 33 and the first movable chain wheel 35 is reduced, and the supporting base 23 is driven to slide and ascend on the portal frame 22; on the contrary, when the driving bearing seat 23 descends, the second servo motor 32 drives the two transmission shafts 30 to rotate reversely through the worm gear mechanism 31, the transmission shafts 30 drive the upper fixed chain wheel 33 to rotate clockwise, the upper fixed chain wheel 33 of the clockwise rotation drives the lower fixed chain wheel 34 to rotate clockwise, the lower fixed chain wheel 34 of the clockwise rotation pulls the lower end of the chain 37, the length of the chain 37 between the lower fixed chain wheel 33 and the second movable chain wheel 36 is reduced, thereby the bearing seat 23 is driven to slide and reduce on the portal frame 22, and the adjustment of the bearing height of the bearing seat 23 and the bearing arm 24 is realized.

As shown in fig. 3, 4, 7 and 8, each locking mechanism includes a pair of second mounting frames 38, each second mounting frame 38 is mounted on the corresponding printing group support 11, both ends of each printing roller 12 and both ends of each anilox roller 13 are mounted on the corresponding second mounting frames 38, each second mounting frame 38 includes a bearing seat 39 and a locking cover 40 which are oppositely arranged, a mounting cavity 41 is formed between each bearing seat 39 and the locking cover 40, both ends of each printing roller 12 and each anilox roller 13 respectively pass through the corresponding mounting cavity 41, each bearing seat 39 is fixed on the printing group support 11, one end of each locking cover 40 is hinged with the corresponding bearing seat 39, a closing pressure rod 42 is mounted on the inner wall of the hinged end of each locking cover 40, and each closing pressure rod 42 extends along the axial vertical direction of the mounting cavity 41.

Moreover, the other end of each locking cover 40 is hinged to a locking rotating arm 43, the hinged end of each locking rotating arm 43 is provided with a force application block 44, a compression spring 45 is connected between one side wall of each force application block 44 and the locking cover 40, the other side of each force application block 44 is provided with a second swing cylinder 46 for pushing the force application block 44, the other end of each locking rotating arm 43 is provided with a locking hook 47, each bearing seat 39 is provided with a locking pin shaft 48, and each locking pin shaft 48 is matched with the locking hook 47.

In the utility model, the automatic replacement of the plate roller 12 and the anilox roller 13 is realized by the cooperation of the mechanical hand unit 7 and the locking mechanism, the operation simplicity of the satellite-type flexible plate printing machine is greatly improved, the manual replacement of the plate roller 12 and the anilox roller 13 on the printing unit 4 by an operator is not needed, the automation degree of equipment and the printing efficiency are improved, and the labor force is saved.

In addition, the tension unit 3 comprises a fixing frame 49 arranged between the unreeling unit and the reeling unit, two groups of tension roller sets are arranged on the fixing frame 49, each tension roller set comprises a plurality of tension rollers 50, the printing paper 52 sequentially bypasses each tension roller 50 along the printing direction, one group of tension roller sets is used for tensioning the printing paper 52 during unreeling, the other group of tension roller sets is used for tensioning the printing paper 52 during reeling, the tensioning of the printing paper 52 in the whole printing process is guaranteed, and the printing effect of the printing machine is improved.

The process of printing using the present invention is as follows:

firstly, the unwinding unit 2 is used for automatically unwinding the printing paper 52, after the printing paper 52 leaves from the unwinding unit 2, the printing paper 52 sequentially passes through each tension roller 50 in one group of tension roller sets on the tension unit 3, the printing paper 52 is tensioned, and the tensioned printing paper 52 is guided into the printing unit 4;

secondly, printing paper 52 enters the printing unit from one of the printing rollers 12 and sequentially bypasses each printing roller 12 of the printing unit 4, the printing paper 52 is arranged between the printing rollers 12 and the side wall of the central roller 10, printing ink for printing is attached to the anilox roller 13, the speed reduction motor 14 drives the mounting shaft 9 and the central roller 10 to rotate through power transmission of the synchronous belt 17, the mounting shaft 9 drives the transmission gear 18 to rotate, the transmission gear 18 drives the printing rollers 12 and the anilox roller 13 to rotate through the printing roller gear 19 and the anilox roller gear 20, the anilox roller 13 is in contact with the side wall of the printing roller 12 to transfer the printing ink to the printing rollers 12, and the printing rollers 12 and the central roller 10 are rolled to print patterns on the printing paper 52;

and thirdly, guiding the printed printing paper 52 into a drying box of the drying unit 5 for drying, sequentially passing the dried printing paper 52 through each tension roller 50 in the other tension roller group on the tension unit 3, tensioning the printing paper 52, and rolling the tensioned printing paper 52 into the winding unit 6.

The process of automatically replacing the printing roller 12 by using the manipulator changing unit is as follows:

firstly, an operator controls the supporting arms 24 to rotate and open through the first swing air cylinder 25, controls the portal frame 22 to slide on the fixed longitudinal beam 28 through the first servo motor 27, and controls the supporting seat 23 to vertically lift on the portal frame 22 through the second servo motor 32, so that the two supporting arms 24 are moved to positions where the printing roller 12 needs to be replaced, and the two supporting arms 24 are arranged below the corresponding printing roller 12;

secondly, the operator controls the cylinder rod of the second swing cylinder 46 to extend out to push the force application block 44 on the locking rotating arm 43, the force application block drives the locking rotating arm 43 to rotate and compresses the compression spring 45, the locking hook 47 on the locking rotating arm 43 is separated from the locking pin shaft 48, and the unlocking between the locking cover 40 and the bearing seat 39 is realized;

fourthly, the operator controls the bearing seat 23 to slide and rise on the portal frame 22 through the second servo motor 32, the bearing arm 24 is used for lifting the printing roller 12 on the printing group support 11, the locking cover 40 is pushed in the upward movement process of the printing roller 12, the locking cover 40 is made to rotate around the hinged end, the locking cover 40 is driven to rotate and open, meanwhile, the closing pressure rod 42 rotates along with the rotation of the locking cover 40, finally, two ends of the printing roller 12 are separated from the corresponding mounting cavities 41, separation of the printing roller 12 from the printing group support 11 is achieved, then the operator drives the printing roller 12 to move by controlling the first servo motor 27 and the second servo motor 32, and the printing roller 12 is placed on the placing platform 51 for placing the printing roller 12;

fifthly, the operator controls the first servo motor 27 and the second servo motor 32 again to drive the bearing arm 24 to move, so that the bearing arm 24 moves to the position, corresponding to the plate roller 12, on the placing platform 51, the plate roller 12 at the position is lifted and moved, and the plate roller 12 is moved to the position, where the plate roller 12 needs to be replaced, on the printing unit 4;

sixthly, the supporting arm 24 is controlled to descend through the second servo motor 32, the two ends of the printing roller 12 are gradually placed in the corresponding mounting cavities 41, the closing pressure rod 42 is pressed downwards in the placing process of the printing roller 12, the closing pressure rod 42 rotates to drive the locking cover 40 to rotate and close, and the printing roller 12 is completely placed. The locking cover 40 is completely closed with the bearing seat 39, and finally the operator controls the cylinder rod of the second swing cylinder 46 to retract, the cylinder rod of the second swing cylinder 46 does not push the force application block 44 any more, and the locking rotating arm 43 rotates under the action of the compression spring 45 to return to the original position, so that the locking hook 47 hooks the locking pin shaft 48, and the automatic replacement of the printing roller 12 is completed.

In conclusion, the satellite-type flexible plate printing machine with the manipulator capable of automatically changing the single type adopts a transmission mode that the plate roller transmission is separated from the main transmission of the printing unit, solves the problem that the gear is easy to be subjected to tooth jacking when gears are meshed, greatly reduces the mechanical damage of equipment, and improves the stability and the working efficiency of the equipment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The satellite type flexible plate printing machine with the automatic single-changing manipulator is characterized by comprising a frame, a feeding device and a feeding device, the frame is sequentially provided with an unreeling unit, a tension unit, a printing unit, a drying unit and a reeling unit, a manipulator list changing unit is arranged on one side of the printing unit, the printing unit comprises a first mounting frame, the first mounting frame is rotatably provided with a central roller through a mounting shaft, the first mounting frame is provided with a plurality of printing group supports, all the printing group supports are annularly arranged around the central roller, each printing group support is provided with a printing roller and an anilox roller, each printing roller and each anilox roller are parallel to the central roller, the installation axle, version roller and reticulation roller are connected with a drive mechanism jointly, each version roller and reticulation roller all install in corresponding through locking mechanism on the seal group support.

2. The robot automatic single-change satellite-type flexographic printing machine according to claim 1, wherein the transmission mechanism comprises a reduction motor fixed on the first mounting frame, a driving pulley is connected to a motor shaft of the reduction motor in a transmission manner, a driven pulley is fixedly mounted at one end of the mounting shaft and adapted to the driving pulley, a synchronous belt is wound around the driven pulley and the driving pulley together, a transmission gear is fixedly mounted at the other end of the mounting shaft, a plate roller gear is fixedly mounted on each plate roller and engaged with the transmission gear, a mesh-belt roller gear is fixedly mounted on each mesh-belt roller and engaged with the corresponding plate roller gear.

3. The robot auto-changing satellite flexographic printing press according to claim 2, wherein the tips of the teeth of each of said drive gear, said plate roller gear and said anilox roller gear are circular arc surfaces.

4. The satellite-type flexographic printing machine with the automatic robot sheet changing function according to claim 1, wherein the robot sheet changing unit comprises a portal frame which is slidably mounted on a support frame along a horizontal direction, the sliding direction of the portal frame is perpendicular to the axial direction of the central roller, the portal frame is connected with a first power mechanism for driving the portal frame to move, a pair of bearing brackets are slidably mounted on the portal frame along a vertical direction, the two bearing brackets are commonly connected with a second power mechanism, each bearing bracket is hinged with a bearing arm for bearing the printing roller and the anilox roller, and a first swing cylinder is hinged between each bearing arm and the bearing bracket.

5. The robotic automatic swap satellite flexographic printing press according to claim 4, wherein the first power mechanism comprises a pair of drive gears rotatably mounted to the gantry, each of the drive gears is in drive connection with a first servo motor, two fixed longitudinal beams are fixed to the support frame, a rack is fixed to each of the fixed longitudinal beams, each of the fixed longitudinal beams and the rack extends in a direction of the gantry, and each of the racks is engaged with the corresponding drive gear.

6. The satellite-based flexographic printing press with automatic robot blade changing function according to claim 5, wherein said second power mechanism comprises two transmission shafts rotatably mounted on the top of said gantry, said two transmission shafts are coaxially disposed, each of said transmission shafts extends in a direction perpendicular to the sliding direction of said gantry, one ends of said two transmission shafts opposite to each other are drivingly connected to a second servo motor through a worm gear mechanism, the other end of each of said transmission shafts is fixedly mounted with an upper fixed sprocket, the lower end of said gantry is rotatably mounted with a pair of lower fixed sprockets, said two lower fixed sprockets are disposed opposite to each other, each of said supporting brackets is mounted with a first movable sprocket and a second movable sprocket, said gantry is further fixedly mounted with two chains, and both ends of each of said chains are respectively fixed to the upper and lower ends of said gantry, each chain sequentially bypasses and corresponds to the first movable chain wheel, the upper fixed chain wheel, the lower fixed chain wheel and the second movable chain wheel along the power transmission sequence.

7. The robotic automatic change satellite flexographic printing press as recited in claim 4, wherein each of said locking mechanisms comprises a pair of second mounting brackets, each of said second mounting brackets is mounted on a corresponding printing nest bracket, each of said second mounting brackets comprises a bearing seat and a locking cover which are disposed opposite to each other, a mounting cavity is formed between each of said bearing seats and said locking covers, both ends of each of said printing roller and said anilox roller respectively penetrate through said corresponding mounting cavity, each of said bearing seats is fixed on said printing nest bracket, one end of each of said locking covers is hinged to a corresponding one of said bearing seats, a closing press rod is mounted on an inner wall of a hinged end of each of said locking covers, and each of said closing press rods extends in an axial direction perpendicular to said mounting cavity.

8. The robot blade changer of a satellite-type flexographic printing press according to claim 7, wherein each locking cover is hinged at the other end thereof to a locking arm, each locking arm is provided at the hinged end thereof with a force application block, a compression spring is commonly connected between a side wall of each force application block and the locking cover, the other side of each force application block is provided with a second swing cylinder for pushing the force application block, each locking arm is provided at the other end thereof with a locking hook, each bearing housing is provided with a locking pin, and each locking pin is adapted to the locking hook.

9. The satellite-type flexible plate printing machine with the automatic sheet changing function of the mechanical arm as claimed in claim 1, wherein the tension unit comprises a fixing frame arranged between the unwinding unit and the winding unit, two sets of tension roller sets are arranged on the fixing frame, each set of tension roller set comprises a plurality of tension rollers, and printing paper sequentially bypasses each tension roller along a printing direction.