CN115230311A - Film printing machine capable of automatically changing roll and feeding film - Google Patents
Film printing machine capable of automatically changing roll and feeding film Download PDFInfo
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- CN115230311A CN115230311A CN202211163123.8A CN202211163123A CN115230311A CN 115230311 A CN115230311 A CN 115230311A CN 202211163123 A CN202211163123 A CN 202211163123A CN 115230311 A CN115230311 A CN 115230311A
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- 238000007639 printing Methods 0.000 title claims abstract description 79
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000008093 supporting effect Effects 0.000 claims description 92
- 238000005192 partition Methods 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 27
- 238000003825 pressing Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000000049 pigment Substances 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 3
- 230000010365 information processing Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims 2
- 230000002457 bidirectional effect Effects 0.000 description 5
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
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- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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- 238000011900 installation process Methods 0.000 description 1
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- 238000003892 spreading Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
- B41F17/08—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces
- B41F17/10—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for for printing on filamentary or elongated articles, or on articles with cylindrical surfaces on articles of indefinite length, e.g. wires, hoses, tubes, yarns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0406—Drying webs by radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/28—Attaching the leading end of the web to the replacement web-roll core or spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2217/00—Printing machines of special types or for particular purposes
- B41P2217/50—Printing presses for particular purposes
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rotary Presses (AREA)
Abstract
The invention relates to a film printing machine capable of automatically changing and feeding films, which comprises a guide mechanism, wherein the guide mechanism is fixed with a first support plate, the first support plate and a second support plate can slide, a printing mechanism is fixed on the second support plate, the printing mechanism is fixed with the second support plate, one side of the second support plate is provided with a roll collecting and changing mechanism, the guide mechanism comprises a guide belt, and the guide belt is supported by a movable roll assembly and a fixed roll assembly.
Description
Technical Field
The invention relates to the relevant field of printing machines, in particular to a film printing machine capable of automatically changing rolls and feeding films.
Background
The film printing machine is a device capable of performing color printing on the surface of a plastic film, the plastic film can form a characteristic pattern or information such as logo marked on a trademark of a manufacturer after color printing, but the film printing is different from the existing printer, the film printing machine firstly performs a plurality of winding rollers on the film for spreading and then brushing, the film needs to be dried after printing, the film is wound into a roll after drying, the current insertion of the film between the winding rollers is manually completed, the installation process is complex, full automation is not realized, and meanwhile, the film from the printing roller to the winding position cannot be printed when the film is installed on the film printing machine, so that a certain amount of film is wasted.
The plastic film conveying device with the application number of CN202011620578.9 and capable of automatically replacing the winding roll can automatically replace the winding roll after the winding roll winds a certain amount of plastic film without manual intervention, greatly reduces the labor intensity of workers, and does not have the automatic winding function of the film.
Disclosure of Invention
The invention aims to provide a film printing machine capable of automatically changing and feeding films, which solves the problems.
The technical purpose of the invention is realized by the following technical scheme: a film printing machine capable of automatically changing rolls and feeding films comprises a guide mechanism, wherein the guide mechanism is fixed with a first supporting plate, and the first supporting plate and a second supporting plate can slide;
the printing mechanism is fixed on the second supporting plate, the printing mechanism is fixed with the second supporting plate, a reel winding and changing mechanism is arranged on one side of the second supporting plate, the guiding mechanism comprises a guiding belt, the guiding belt is supported by a movable reel component and a fixed reel component, third supporting plates are arranged on two sides of the guiding belt, the third supporting plates are fixedly connected with the first supporting plate and are in contact fit with the guiding belt, the two third supporting plates are connected through a C-shaped partition plate, fan components are uniformly distributed on the third supporting plates, and the fan components discharge air in a cavity formed by the C-shaped partition plate, the third supporting plates and the guiding belt, so that negative pressure is formed in the cavity, and the guiding belt can attract a film;
the printing mechanism comprises a supporting component and a printing component, the supporting component comprises air cylinders, two air cylinders are fixed on the second supporting plate on each side of the guide belt, the two air cylinders are fixedly arranged on two sides of the printing component, and the supporting component can support the guide belt so that the guide belt does not contact with the printing component;
the roll winding and changing mechanism comprises three support rods, a guide belt in the guide mechanism is in a C shape under the supporting action of each support roller, one support rod in the roll winding and changing mechanism is close to a C-shaped structure formed by the guide belt, a pressing roller assembly is fixedly arranged on one side of the support rod, an air outlet assembly at a constant speed is fixedly arranged on the other side of the support rod, the other support rod in the roll winding and changing mechanism is in contact with the upper edge of the C-shaped structure formed by the guide belt, a partition plate inside the C-shaped partition plate divides the guide belt into a cavity again at the upper edge of the C-shaped structure, and the inside of the cavity is communicated with the outside through a fan assembly.
Preferably, the fan assembly includes an opening provided in the third support plate, a fan is rotatably provided at the opening, the fan assembly in the third support plate exhausts air in a chamber formed by the third support plate, the partition plate and the C-shaped partition plate to the outside, so that a negative pressure is formed in the chamber, and the guide belt can adsorb the film, and the fan assembly in the partition plate sucks the outside air into the chamber formed by the partition plate, the third support plate and the guide belt, so that the film adsorbed on the guide belt is separated from the guide belt at the position.
Preferably, the reel winding and changing mechanism comprises fourth supporting plates fixedly arranged on two sides of the guide belt, a change-over motor is fixedly arranged on the fourth supporting plate on one side of the guide belt, the change-over motor is in transmission with a rotating shaft through a first synchronous pulley group, the rotating shaft is in rotating fit with the fourth supporting plate on the side, a first rotating frame is fixed on the rotating shaft, the first rotating frame is in rotating connection with one end of each of the three supporting rods, a rotating driving component is fixedly arranged at the rotating connection position of the first rotating frame and each of the supporting rods, the rotating driving component comprises a first motor fixed on the first rotating frame, the first motor is in transmission with the supporting rods through a gear group, and the first rotating frame is also in rotating connection with the second rotating frame, the second rotating frame is fixedly connected with one end of each of three optical shafts, the other end of each optical shaft is connected with the other second rotating frame, the second rotating frames are respectively connected with two ends of a positive and negative two-way screw rod in a rotating mode, the positive and negative two-way screw rods are far away from one end of the conversion motor and are fixedly connected with a motor shaft of a second motor on the fourth supporting plate on the side, a third motor is further fixed on the fourth supporting plate on the side, the third motor and the end of the third motor are arranged on the positive and negative two-way screw rods, the second rotating frames are further driven through a second synchronous pulley group, nut seat poking frames in threaded connection with the positive and negative two-way screw rods are arranged at different thread turning positions on the positive and negative two-way screw rods, and the nut seat poking frames are further connected with the optical shafts in a sliding mode.
Preferably, the pressing roller assembly is fixed to lifting guide grooves formed in two sides of the guide belt, a nut seat is arranged in each lifting guide groove in a sliding mode, the nut seat is in threaded connection with a lead screw, one end of the lead screw is fixedly connected with a motor shaft of a lifting motor, the lifting motor is fixed to the lifting guide grooves, and the nut seats in the lifting guide grooves on two sides are rotatably connected with corresponding ends of the pressing rollers.
Preferably, the movable roller assembly comprises a sliding guide groove fixed on the first support plate, sliding blocks are arranged in the sliding guide groove in a sliding mode, each sliding block is rotatably connected with one end of the movable guide roller, and the sliding blocks are connected with one end of the sliding guide groove through springs.
Preferably, the fixed roller assembly includes fixed guide rollers rotatably connected to the corresponding first support plate, second support plate, and third support plate, respectively.
Preferably, set up the first open slot with catch bar sliding fit in the third backup pad set up the place slip of seting up the groove in the third backup pad be equipped with the baffle, the slip direction of baffle with the starting direction of first open slot is the same, the second open slot has still been seted up on the baffle, the direction of seting up of second open slot with the direction plane of seting up of first open slot is crossing, the catch bar is in the second open slot with the baffle contact cooperation.
Preferably, the printing assembly includes the printing roller, the both ends of printing roller all with the second backup pad rotates to be connected, the one end of printing roller still with this end the motor shaft of the fixed printing motor in the second backup pad is fixed, the printing roller with change the ink roller contact cooperation, change the ink roller and go up the ink roller contact cooperation, change the ink roller with the both ends of going up the ink roller all with the second backup pad rotates to be connected, it is equipped with the pigment hold up tank to go up the ink roller below, the both ends of pigment hold up tank with the second backup pad is fixed.
Preferably, the constant-speed air outlet assembly comprises a fan shell fixed to the fourth support plates on two sides, the fan assembly is fixedly arranged at two ends of the fan shell, a parallel air outlet is formed in one side, facing the guide belt, of the fan shell, an ultrasonic detection sensor is fixed to the fan shell at the air outlet, and the fan assembly sucks external air into the fan shell.
Preferably, a drying lamp is fixedly arranged in an area between the printing mechanism and the partition board, the drying lamp can dry ink marks printed on the film, a driving roller is arranged between the lower edges of the two third support plates, the driving roller is fixed to a motor shaft of a driving motor of a guide belt fixed to one end of the driving roller on the third support plate, control of each part of the motor and processing of sensor information are completed by a control terminal, and the control terminal is fixed to the second support plate.
In summary, the invention has the following beneficial effects: the film winding device completes winding by automatically guiding the film through the guide mechanism, gets rid of the rechecking process of manual winding, enables the film to be wound more quickly and accurately, supports the printed film under the supporting action of the guide belt in the guide mechanism, and can directly start printing when the film roll moves to the printing roller under the driving of the guide belt, so that the redundant waste of the film roll is avoided.
Drawings
In order to more clearly illustrate the embodiments of the 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 invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 isbase:Sub>A schematic view of the embodiment of the present invention in the direction of A-A in FIG. 2;
FIG. 4 is an enlarged view of B in FIG. 3 according to the embodiment of the present invention;
FIG. 5 is an enlarged schematic view of C in FIG. 3 according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a roll winding and changing mechanism in the embodiment of the invention;
FIG. 7 is a schematic view of the embodiment of the present invention in the direction D-D in FIG. 6;
FIG. 8 is a schematic view of the structure of a printing mechanism in an embodiment of the present invention;
figure 9 is a schematic diagram of the construction of a pinch roller assembly in an embodiment of the present invention.
In the figure: 11. a first support plate; 12. a second support plate; 13. a guide belt; 14. a C-shaped partition plate; 15. an opening; 16. a printing roller; 17. a cylinder; 18. a partition plate; 19. a third support plate; 20. a support bar; 21. a drying lamp; 22. a fan; 23. a pigment storage tank; 24. an inking roller; 25. a push rod; 26. a sliding guide groove; 27. a spring; 28. a guide belt drive motor; 29. converting the motor; 30. a drive roller; 31. a lifting guide groove; 32. a lifting motor; 33. printing a motor; 34. fixing a guide roller; 35. a movable guide roller; 36. a fourth support plate; 37. a first rotating frame; 38. a first synchronous pulley set; 39. a rotating shaft; 40. a second rotating frame; 41. an optical axis; 42. a second synchronous pulley set; 43. a third motor; 44. a second motor; 45. a nut seat poking frame; 46. a first motor; 47. a gear set; 48. a nut seat; 49. a lead screw; 50. a pressure roller; 51. a positive and negative two-way screw; 52. a control terminal; 54. an ink roller; 55. a baffle plate; 56. an ultrasonic detection sensor; 57. a fan housing; 70. a guide mechanism; 80. a printing mechanism; 90. a roll-winding and roll-changing mechanism.
Detailed Description
The film printing machine capable of automatically changing and feeding the roll film, which is described in conjunction with fig. 1-9, includes a guiding mechanism 70, the guiding mechanism 70 is fixed with the first supporting plate 11, and the first supporting plate 11 and the second supporting plate 12 can slide;
a printing mechanism 80 is fixed on the second support plate 12, the printing mechanism 80 is fixed with the second support plate 12, a reel winding and changing mechanism 90 is arranged on one side of the second support plate 12, the guide mechanism 70 comprises a guide belt 13, the guide belt 13 is supported by a movable reel assembly and a fixed reel assembly, third support plates 19 are arranged on two sides of the guide belt 13, the third support plates 19 are fixedly connected with the first support plate 11, the third support plates 19 are in contact fit with the guide belt 13, the two third support plates 19 are connected through a C-shaped partition plate 14, fan assemblies are uniformly distributed on the third support plates 19, and the fan assemblies discharge air in a cavity formed by the C-shaped partition plate 14, the third support plates 19 and the guide belt 13 to form negative pressure in the cavity, so that the guide belt 13 can suck a film;
the printing mechanism 80 comprises a supporting component and a printing component, the supporting component comprises air cylinders 17, two air cylinders 17 are fixed on the second supporting plate 12 on each side of the guide belt 13, the two air cylinders 17 of the supporting component are fixedly arranged on two sides of the printing component, and the supporting component can support the guide belt 13 so that the guide belt 13 is not in contact with the printing component;
the roll winding and changing mechanism 90 includes three support rods 20, the guide belt 13 in the guide mechanism 70 is in a C shape under the support action of each support roller, one support rod 20 in the roll winding and changing mechanism 90 and the C-shaped structure formed by the guide belt 13 are close to each other, a pressing roller assembly is fixedly arranged on one side of the support rod 20, a constant-speed air outlet assembly is fixedly arranged on the other side of the support rod 20, the other support rod 20 in the roll winding and changing mechanism 90 is in contact with the upper edge of the C-shaped structure formed by the guide belt 13, at the upper edge of the C-shaped structure, a partition 18 inside the C-shaped partition 14 divides the interior of the guide belt 13 into a chamber again, and the interior of the chamber is communicated with the outside through a fan assembly.
Advantageously, the fan assembly comprises an opening 15 formed in the third support plate 19, a fan 22 is rotatably disposed at the opening 15, the fan assembly on the third support plate 19 discharges the air in the chamber formed by the third support plate 19, the partition plate 18 and the C-shaped partition plate 14 to the outside, so that a negative pressure is formed inside the chamber, and the guide belt 13 can adsorb the film, and the fan assembly on the partition plate 18 sucks the outside air into the chamber formed by the partition plate 18, the third support plate 19 and the guide belt 13, so that the film adsorbed on the guide belt 13 is separated from the guide belt 13 at the position.
Advantageously, the reel-up and reel-change mechanism 90 comprises fourth support plates 36 fixedly arranged on both sides of the guide belt 13, a switching motor 29 is fixedly arranged on the fourth supporting plate 36 at one side of the guide belt 13, the conversion motor 29 is driven by a first synchronous pulley set 38 and a rotating shaft 39, the rotating shaft 39 is rotationally matched with the fourth supporting plate 36 on the side, a first rotating frame 37 is fixed on the rotating shaft 39, the first rotating frame 37 is rotatably connected with one end of each of the three support rods 20, the first rotating frame 37 is fixedly provided with a rotating driving component at the rotating connection part with each supporting rod 20, the rotation driving component comprises a first motor 46 fixed on the first rotating frame 37, the first motor 46 and the supporting rod 20 are driven by a gear set 47, the first rotating frame 37 is also rotatably connected with the second rotating frame 40, the second rotating frame 40 on the side is fixedly connected with one end of three optical shafts 41, the other end of the three optical shafts 41 is fixedly connected with the other second rotating frame 40, the two second rotating frames 40 are respectively and rotatably connected with two ends of a positive and negative tooth bidirectional screw 51, one end of the positive and negative two-way lead screw 51 far away from the conversion motor 29 is fixedly connected with the motor shaft of the second motor 44 fixed on the fourth supporting plate 36 on the side, a third motor 43 is further fixed on the fourth supporting plate 36 at the side, the third motor 43 and the second rotating frame 40 on the bidirectional leading screw 51 with positive and negative teeth at the end are further driven by a second synchronous pulley group 42, the nut seat shifting frame 45 in threaded connection with the positive and negative two-way screw rod 51 is arranged at different thread turning positions, and the nut seat shifting frame 45 is further in sliding connection with the optical axis 41.
Advantageously, the pressure roller assembly is fixed to the lifting guide grooves 31 arranged on both sides of the guide belt 13, a nut seat 48 is slidably arranged in each lifting guide groove 31, the nut seat 48 is in threaded connection with a lead screw 49, one end of the lead screw 49 is fixedly connected with a motor shaft of the lifting motor 32, the lifting motor 32 is fixed to the lifting guide grooves 31, and the nut seats 48 in the lifting guide grooves 31 on both sides are rotatably connected with the corresponding ends of the pressure rollers 50.
Advantageously, the movable roller assembly comprises a sliding guide groove 26 fixed to the first support plate 11, sliding blocks are slidably disposed in the sliding guide groove 26, each sliding block is rotatably connected to one end of a movable guide roller 35, and the sliding blocks are connected to one end of the sliding guide groove 26 through a spring 27.
Advantageously, the fixed roller assembly comprises fixed guide rollers 34, the fixed guide rollers 34 being rotatably connected to the corresponding first support plate 11, second support plate 12 and third support plate 19, respectively.
Beneficially, set up the first open slot with catch bar 25 sliding fit on the third backup pad 19 set up with baffle 55 in the place slip of seting up the groove on the third backup pad 19, the slip direction of baffle 55 with the beginning direction of first open slot is the same, the second open slot has still been seted up on the baffle 55, the direction of seting up of second open slot with the direction plane of seting up of first open slot is crossing, catch bar 25 is in the second open slot with baffle 55 contact fit.
Beneficially, the printing assembly includes a printing roller 16, the both ends of printing roller 16 all with second support plate 12 rotates to be connected, the one end of printing roller 16 still with this end the motor shaft of printing motor 33 fixed in second support plate 12 is fixed, printing roller 16 contacts with transfer roller 54 and cooperates, transfer roller 54 contacts with the inking roller 24 and cooperates, transfer roller 54 with the both ends of inking roller 24 all with second support plate 12 rotates to be connected, inking roller 24 below is equipped with pigment hold up tank 23, the both ends of pigment hold up tank 23 with second support plate 12 is fixed.
Advantageously, the constant velocity air outlet assembly comprises a fan housing 57 fixed to the fourth support plate 36 on both sides, the fan housing 57 is provided with the fan assemblies at both ends, the side of the fan housing 57 facing the guide belt 13 is provided with a parallel air outlet, an ultrasonic detection sensor 56 is fixed to the fan housing 57 at the air outlet, and the fan assemblies suck outside air into the fan housing 57.
Advantageously, a drying lamp 21 is fixedly arranged between the printing mechanism 80 and the partition plate 18, the drying lamp 21 can dry ink marks printed on the film, a driving roller 30 is arranged between the lower edges of the two third supporting plates 19, the driving roller 30 is fixed with a motor shaft of a guide belt driving motor 28 fixed on one end of the driving roller 30 and the third supporting plate 19, the motor control and the sensor information processing of each part are completed by a control terminal 52, and the control terminal 52 is fixed on the second supporting plate 12.
The use method of the invention comprises the following steps:
in the initial state: the film roll is not placed on the support rod 20 in the roll reeling and changing mechanism 90, the first support plate 11 is in contact with the second support plate 12 and is kept fixed, the air cylinder 17 is in a contraction state, the nut seat poking frame 45 is not in contact with the support rod 20, an angle difference exists between the first rotating frame 37 and the nut seat poking frame 45 at the moment, the film roll can be smoothly placed, and the nut seat poking frame 45 is located on the position, closest to the end parts on the two sides, of the positive and negative tooth bidirectional screw rod 51.
A film roll is arranged on the supporting rod 20 of the three supporting rods 20 of the roll collecting and changing mechanism 90, the lower end of the roll collecting and changing mechanism 90 is farthest away from the compression roller assembly, the supporting rod 20 of the lower end of the roll collecting and changing mechanism 90, which is closest to the compression roller assembly, is provided with a sticky film roll, after the installation is finished, the conversion motor 29 rotates, the conversion motor 29 drives the rotating shaft 39 to rotate through the first synchronous pulley set 38, the rotating shaft 39 drives the first rotating frame 37 to rotate, the first rotating frame 37 rotates each supporting rod 20 around the rotating shaft 39 for one hundred twenty degrees and then stops, at the moment, the supporting rod 20 provided with the film roll is positioned at the position closest to the compression roller assembly, the supporting rod 20 provided with the sticky film roll is positioned at the uppermost, when the conversion motor 29 starts to rotate, the position of the second motor 44 and the third motor 43 also rotate simultaneously, the third motor 43 drives the second rotating frame 40 to rotate through the second synchronous pulley set 42, the second rotating frame 40 drives the nut seat shifting frame 45 to rotate through the optical axis 41, finally the nut seat shifting frame 45 and the first rotating frame 37 keep rotating at the same speed and in the same rotating direction, the third motor 43 drives the nut seat shifting frame 45 to rotate until the nut seat shifting frame 45 rotates by one hundred twenty degrees, the nut seat shifting frame 45 continues rotating until the nut seat shifting frame 45 contacts with the supporting rod 20, the rotating angle of the nut seat shifting frame 45 is one hundred twenty degrees plus the angle difference between the nut seat shifting frame 45 and the first rotating frame 37 at the beginning, the control terminal 52 can judge the contact condition of the nut seat shifting frame 45 and the supporting rod 20 according to the rotating angle of the nut seat shifting frame 45, stop rotating after contacting with the supporting rod 20, the second motor 44 drives the positive and negative tooth bidirectional screw rod 51 to rotate, and the function of preventing the positive and negative tooth bidirectional screw rod 51 from rotating relative to the nut seat shifting frame 45 before the nut seat shifting frame 45 does not contact with the supporting rod 20, the movement of the nut seat shifting frame 45 on the positive and negative two-way screw 51 is brought about, after the support rod 20 is in contact with the nut seat shifting frame 45, the second motor 44 continues to rotate, the second motor 44 drives the two nut seat shifting frames 45 to approach each other, the moving displacement position of the nut seat shifting frame 45 on the positive and negative two-way screw 51 is controlled by the control terminal 52, finally, the nut seat shifting frame 45 corrects the position of the film roll and the viscous film roll on the support rod 20, then the second motor 44 rotates reversely to drive the nut seat shifting frame 45 to reset, and meanwhile, the third motor 43 also drives the nut seat shifting frame 45 to rotate reversely to reset.
The air cylinder 17 extends, the air cylinder 17 pushes the guide belt 13 through the push rod 25, so that the guide belt 13 is not contacted with the printing roller 16, the guide belt driving motor 28 is started, the guide belt driving motor 28 drives the driving roller 30 to rotate, the driving roller 30 drives the guide belt 13 to rotate, meanwhile, the fan assembly on the third supporting plate 19 and the fan assembly at the partition plate 18 are started simultaneously, the drying lamp 21 starts the baking operation, the first motor 46 at the supporting rod 20 provided with the film roll is started while the guide belt driving motor 28 rotates, the first motor 46 drives the supporting rod 20 to rotate through the gear set 47, the supporting rod 20 drives the film roll to rotate, so that the film on the film roll is unwound and falls under the action of gravity, when the film falls down to be detected by the ultrasonic detection sensor 56, the control terminal 52 counts down, and counts down the first motor 46 driving the supporting rod 20 to rotate, the constant-speed air outlet assembly blows a film to a position between a pressing roller 50 and a guide belt 13 in the pressing roller assembly, after timing is finished, the first motor 46 stops rotating, a lifting motor 32 in the pressing roller assembly rotates, the lifting motor 32 drives a lead screw 49 to rotate, the lead screw 49 drives a nut seat 48 to move downwards, the nut seat 48 drives the pressing roller 50 to be tightly attached to the guide belt 13, the tight attachment judgment of the pressing roller 50 and the guide belt 13 can be obtained according to the rotating angle of the lifting motor 32, the film is also tightly attached to the guide belt 13, the guide belt 13 continues to drive the pressing roller 50 to rotate as the film attached to the guide belt 13 under the negative pressure formed in the guide belt 13 cannot easily fall off, the control terminal 52 starts to record the rotating state of the conversion motor 29 after the pressing roller 50 is tightly attached to the guide belt 13, simultaneously, the printing motor 33 rotates, and the printing motor 33 drives the ink transfer roller 54 to rotate, the inking roller 24 is driven by the inking roller 54 to rotate and to start the colouring of the printing roller 16, and the control terminal 52 can derive the corresponding position to which the film end runs under the drive of the guide belt 13 according to the rotation information of the switching motor 29.
When the film moves to the printing roller 16, the control terminal 52 controls the cylinder 17 to contract, the cylinder 17 drives the push rod 25 to retract, so that the guide belt 13 drives the film to be attached to the printing roller 16, the film starts to be printed, the printed film continues to move under the drive of the guide belt 13, the film is dried when the film moves to the drying lamp 21 and then continues to move, the control terminal 52 judges that the back of the film is brought to the partition plate 18 through the rotation of the guide belt drive motor 28, the first motor 46 below the partition plate 18 drives the support rod 20 to rotate, the support rod 20 drives the viscous film winding drum to rotate, the film is separated from the suction sagging of the guide belt 13 under the action of the fan assembly after the film passes through the partition plate 18 and is contacted with the viscous film winding drum to adhere the film, and the next film can be wound until the wound film is completely printed, and the next film printing operation can be started.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A film printing machine capable of automatically changing rolls and feeding films comprises a guide mechanism (70), and is characterized in that: the guide mechanism (70) is fixed with the first support plate (11), and the first support plate (11) and the second support plate (12) can slide;
a printing mechanism (80) is fixed on the second supporting plate (12), the printing mechanism (80) is fixed with the second supporting plate (12), a reel winding and changing mechanism (90) is arranged on one side of the second supporting plate (12), the guide mechanism (70) comprises a guide belt (13), the guide belt (13) is supported by a movable reel roller assembly and a fixed reel roller assembly, third supporting plates (19) are arranged on two sides of the guide belt (13), the third supporting plates (19) are fixedly connected with the first supporting plate (11), the third supporting plates (19) are in contact fit with the guide belt (13), the two third supporting plates (19) are connected through C-shaped partition plates (14), and fan assemblies are uniformly distributed on the third supporting plates (19);
the printing mechanism (80) comprises a supporting component and a printing component, the supporting component comprises air cylinders (17), two air cylinders (17) are fixed on the second supporting plate (12) on each side of the guide belt (13), and the two air cylinders (17) of the supporting component are fixedly arranged on two sides of the printing component;
the roll winding and changing mechanism (90) comprises three supporting rods (20), a guiding belt (13) in the guiding mechanism (70) is in a C shape under the supporting action of each supporting roller, a C-shaped structure formed by one supporting rod (20) in the roll winding and changing mechanism (90) and the guiding belt (13) is close to each other, a pressing roller assembly is fixedly arranged on one side of the supporting rod (20), a constant-speed air outlet assembly is fixedly arranged on the other side of the supporting rod (20), the other supporting rod (20) in the roll winding and changing mechanism (90) is in contact with the upper edge of the C-shaped structure formed by the guiding belt (13), and a cavity is formed in the guiding belt (13) by an internal partition plate (18) of the C-shaped partition plate (14) at the upper edge of the C-shaped structure.
2. A film printing machine capable of automatically changing rolls and feeding films according to claim 1, wherein: the fan assembly comprises an opening (15) formed in the third support plate (19), and a fan (22) is rotatably arranged at the opening (15).
3. A film printing machine capable of automatically changing rolls and feeding films according to claim 1, wherein: the coiling and uncoiling mechanism (90) comprises fourth supporting plates (36) fixedly arranged on two sides of the guide belt (13), a conversion motor (29) is fixedly arranged on the fourth supporting plate (36) on one side of the guide belt (13), the conversion motor (29) is in transmission with a rotating shaft (39) through a first synchronous belt wheel set (38), the rotating shaft (39) is in rotating fit with the fourth supporting plate (36) on the side, a first rotating frame (37) is fixed on the rotating shaft (39), the first rotating frame (37) is in rotating connection with one end of each of the three supporting rods (20), a rotating driving component is fixedly arranged at the rotating connection position of each of the first rotating frames (37), the rotating driving component is fixed on a first motor (46) on the first rotating frame (37), the first motor (46) and the supporting rods (20) are in transmission through a gear set (47), the first rotating frame (37) is also in rotating connection with a second rotating frame (40), the second rotating frame (40) on the side is connected with a second rotating frame, the other end of the second rotating frame (41) is connected with a positive and the two rotating frame (41), and the other end of the two rotating shafts (41) is connected with the two rotating frames (41), two-way lead screw of positive and negative tooth (51) are kept away from the one end of conversion motor (29) with fix the motor shaft fixed connection of second motor (44) in fourth backup pad (36) on this side, this side still be fixed with third motor (43) on fourth backup pad (36), third motor (43) and this end on two-way lead screw of positive and negative tooth (51) second rotating turret (40) still pass through second synchronous pulley group (42) transmission, different screw thread turning departments all are equipped with rather than threaded connection's nut seat stirring frame (45) on two-way lead screw of positive and negative tooth (51), nut seat stirring frame (45) still with optical axis (41) sliding connection.
4. A film printing machine capable of automatically changing rolls and feeding films according to claim 1, wherein: the pressing roller assembly is fixed to lifting guide grooves (31) formed in two sides of the guide belt (13), a nut seat (48) is arranged in each lifting guide groove (31) in a sliding mode, the nut seats (48) are in threaded connection with a lead screw (49), one end of the lead screw (49) is fixedly connected with a motor shaft of a lifting motor (32), the lifting motor (32) is fixed to the lifting guide grooves (31), and the nut seats (48) in the lifting guide grooves (31) on the two sides are rotatably connected with corresponding ends of the pressing rollers (50).
5. A film printing machine capable of automatically changing rolls and feeding films according to claim 1, wherein: the movable roll-up assembly comprises a sliding guide groove (26) fixed on the first supporting plate (11), sliding blocks are arranged in the sliding guide groove (26) in a sliding mode, each sliding block is rotatably connected with one end of a movable guide roller (35), and the sliding blocks are connected with one end of the sliding guide groove (26) through springs (27).
6. A film printing machine capable of automatically changing rolls and feeding films according to claim 1, wherein: the fixed roller assembly comprises a fixed guide roller (34), and the fixed guide roller (34) can be respectively rotatably connected with the corresponding first support plate (11), the second support plate (12) and the third support plate (19).
7. A film printing machine capable of automatically changing rolls and feeding films according to claim 1, wherein: set up the first open slot with catch bar (25) sliding fit on third backup pad (19) set up the place in groove on third backup pad (19) and slide and be equipped with baffle (55), the slip direction of baffle (55) with the direction of beginning of first open slot is the same, the second open slot has still been seted up on baffle (55), the direction of seting up of second open slot with the direction plane of seting up of first open slot is crossing, catch bar (25) are in the second open slot with baffle (55) contact fit.
8. A film printing machine capable of automatically changing rolls and feeding films according to claim 1, wherein: the printing assembly comprises a printing roller (16), the two ends of the printing roller (16) are connected with the second supporting plate (12) in a rotating mode, one end of the printing roller (16) is fixed with the motor shaft of a printing motor (33) fixed to the second supporting plate (12) at the end, the printing roller (16) is matched with the ink transferring roller (54) in a contact mode, the ink transferring roller (54) is matched with the ink feeding roller (24) in a contact mode, the ink transferring roller (54) is connected with the two ends of the ink feeding roller (24) in a rotating mode, the second supporting plate (12) is connected in a rotating mode, a pigment storage groove (23) is formed below the ink feeding roller (24), and the two ends of the pigment storage groove (23) are fixed to the second supporting plate (12).
9. A film printing machine capable of automatically changing rolls and feeding films according to claim 3, wherein: the uniform-speed air outlet assembly comprises a fan shell (57) fixed with the fourth supporting plates (36) on two sides, the fan assembly is fixedly arranged at two ends of the fan shell (57), one side, facing the guide belt (13), of the fan shell (57) is provided with a parallel air outlet, and an ultrasonic detection sensor (56) is fixed on the fan shell (57) at the air outlet.
10. A film printing machine capable of automatically changing rolls and feeding films according to claim 1, wherein: a drying lamp (21) is fixedly arranged in the area between the printing mechanism (80) and the partition plate (18), a driving roller (30) is arranged between the lower edges of the two third supporting plates (19), the driving roller (30) is fixed with a motor shaft of a driving motor (28) of the guide belt fixed on one end of the driving roller (30) and the third supporting plate (19), the motor control and the sensor information processing of each part are finished by a control terminal (52), and the control terminal (52) is fixed on the second supporting plate (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211163123.8A CN115230311A (en) | 2022-09-23 | 2022-09-23 | Film printing machine capable of automatically changing roll and feeding film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211163123.8A CN115230311A (en) | 2022-09-23 | 2022-09-23 | Film printing machine capable of automatically changing roll and feeding film |
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| CN115230311A true CN115230311A (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211163123.8A Pending CN115230311A (en) | 2022-09-23 | 2022-09-23 | Film printing machine capable of automatically changing roll and feeding film |
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Application publication date: 20221025 |