CN114311990B - Flexible pipe and two-piece can printing device - Google Patents
Flexible pipe and two-piece can printing device Download PDFInfo
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- CN114311990B CN114311990B CN202210229024.9A CN202210229024A CN114311990B CN 114311990 B CN114311990 B CN 114311990B CN 202210229024 A CN202210229024 A CN 202210229024A CN 114311990 B CN114311990 B CN 114311990B
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Abstract
The invention discloses a hose and two-piece can printing device, which relates to the technical field of automatic production and comprises a conveying line, wherein the conveying line is used for conveying materials to be printed, and a printing die head is arranged on the conveying line; the feeding module is used for feeding materials to be printed to the printing die head; the printing module is responsible for an ink printing process of a material to be printed and comprises an ink set assembly, a plate cylinder and a printing wheel; the glazing module is responsible for a glazing process of a material to be printed and comprises a glazing rubber roll and a glazing anilox roll; the curing module is responsible for curing the material to be printed; the finished product output module is used for sending out the printed materials; the automatic printing process flow of the workpieces with special shapes, such as hoses, two-piece tanks and the like, is realized by adopting the matching of the feeding module, the printing module, the glazing module, the curing module and the finished product output module.
Description
Technical Field
The invention relates to the technical field of automatic production, in particular to a printing device suitable for hoses, two-piece cans and other similar products with curved surfaces.
Background
For the printing of the hose and the two-piece tank, the hose has whole-line printing equipment at present, but the two-piece tank only has proofing machine equipment, only can make small-batch proofing, cannot be produced in a connecting mode, and is low in production efficiency. And the conventional hose printing equipment cannot be directly used for printing the ring-pull cans, so that the application range is small. It is therefore desirable to design a printing apparatus suitable for flexible tubing, two-piece cans, and other similar curved products.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a hose and two-piece can printing device.
The technical scheme adopted by the invention for solving the technical problem is as follows: the hose and two-piece can printing device comprises a conveying line, wherein the conveying line is used for conveying materials to be printed, and a printing die head is arranged on the conveying line; the feeding module is used for conveying materials to be printed to the printing die head; the printing module is responsible for an ink printing process of a material to be printed and comprises an ink set assembly, a plate cylinder and a printing wheel; the glazing module is responsible for a glazing process of a material to be printed and comprises a glazing rubber roll and a glazing anilox roll; the curing module is responsible for curing the material to be printed; and the finished product output module is used for sending out the printed materials.
According to the hose and two-piece can printing device provided by the invention, the automatic printing process flow of the special-shaped workpieces such as hoses, two-piece cans, medicine bottles, jars and the like is realized by adopting the matching of the feeding module, the printing module, the glazing module, the curing module and the finished product output module.
According to some preferred embodiments of the invention, the conveying line comprises a printing section rotating disc, and the printing wheel is in press fit with the printing section rotating disc so as to facilitate a roll printing process.
As some preferred embodiments of the present invention, the printing apparatus further comprises an adjustable base, the printing module is located on the adjustable base, the adjustable base comprises a transverse frame and a transverse adjusting device, the transverse frame is provided with a longitudinal frame and a longitudinal adjusting device, and the longitudinal frame is provided with an angle adjusting device.
As some preferred embodiments of the present invention, the plate cylinder includes a plate cylinder mounting plate, a plate cylinder magnetic attraction device, and a plate cylinder positioning pin, and the plate cylinder is connected to the plate cylinder mounting plate through the plate cylinder magnetic attraction device and the plate cylinder positioning pin.
As some preferred embodiments of the invention, the plate cylinder is provided with a circumferential adjusting device, an axial adjusting device and a plate pressure adjusting device.
As some preferable embodiments of the invention, the printing wheel is provided with a brake device.
As some preferred embodiments of the present invention, the ink set assembly includes an ink fountain, an ink wheel, an ink feed roller, an oscillating roller, a leveling roller, and an ink form roller.
As some preferred embodiments of the invention, the ink distributing roller is connected with an ink distributing swing frame, a shifting fork and an ink distributing transition gear.
As some preferred embodiments of the invention, the friction pre-rotation assembly is also included, the friction pre-rotation assembly is used for providing pre-rotation power for the printing die head before the glazing process.
As some preferred embodiments of the invention, the curing module comprises an oven, and the oven is provided with an air-homogenizing fan, an exhaust fan and a cooling fan.
The invention has the beneficial effects that:
1. the whole printing process flow of special-shaped workpieces such as hoses, two-piece cans, medicine bottles, wide-mouth bottles and the like can be automatically finished;
2. the ink group component has the advantages that the ink paths of the multiple ink rollers are matched with the brake device, so that the problems of double images, blurring and the like in printing can be eliminated, and the printing effect is better;
3. the printing wheel component is driven to be a fine grinding tooth, and the printing wheel can be quickly attached to a plate for positioning, the inclination of an interface is improved, and the printing quality is improved;
4. the plate cylinder, the ink set assembly and the printing wheel of the printing module are integrated into a large disc, so that the space is saved, and control points are reduced;
5. the glazing module automatically glazes, and the glazing module is matched with the friction pre-rotation assembly, so that glazing friction is reduced, and the glazing effect is better;
6. the curing module can realize two-stage and even multi-stage selective concentrated drying, improve the drying effect and reduce the drying time.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a front view of a hose, two-piece can printing apparatus of the present invention;
FIG. 2 is a perspective view of the hose, two-piece can printing apparatus of the present invention;
FIG. 3 is a perspective view of a printing module of the present invention;
FIG. 4 is a perspective view of an ink set assembly of the present invention;
FIG. 5 is a perspective view of an alternative angle of the ink set assembly of the present invention;
FIG. 6 is a perspective view of a cartridge according to the present invention;
FIG. 7 is a perspective view of an adjustable base of the present invention;
FIG. 8 is a perspective view of the position of the glazing module of the present invention;
fig. 9 is a perspective view of a curing module of the present invention.
Reference numerals:
a printing die head 100, a printing section rotating disc 110;
a feed module 200;
a curing module 500, an oven 510, a uniform air blower 520, an exhaust air blower 530, and a cooling air blower 540;
and a finished product output module 600.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. And in the absence of such specific details, the present invention may be implemented such that a person having ordinary skill in the art would more effectively introduce those skilled in the art to the essence of their work using the description and representations herein.
Furthermore, it should be noted that the terms "front side", "rear side", "left side", "right side", "upper side", "lower side", and the like used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from the geometric center of a specific part, respectively, and those skilled in the art should not understand that the above-mentioned directions are simply and innovatively adjustable and should not be construed as technologies outside the scope of the present application.
If the description of "first", "second", etc. is used for the purpose of distinguishing technical features, it is not intended to indicate or imply relative importance or to implicitly indicate the number of indicated technical features or to implicitly indicate the precedence of the indicated technical features.
It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. Well-known manufacturing methods, control procedures, component sizes, material compositions, line layouts, etc., are not described in detail since they would be readily understood in the art, without undue experimentation, to avoid obscuring the present invention.
Fig. 1 is a front view of an embodiment of the present invention, fig. 2 is a perspective view of an embodiment of the present invention, and referring to fig. 1 and 2, an embodiment of the present invention provides a hose and two-piece can printing apparatus including a transfer line. The conveying line is used for conveying the material to be printed, and a printing die head 100 is arranged on the conveying line. The print die 100 can be moved along the conveyor line. The printing die head 100 is used for fixing a material to be printed, and the material to be printed can be a hose, a two-piece can or other workpieces to be printed with special shapes.
Further, a feeding module 200, the feeding module 200 is used for feeding the material to be printed to the printing die 100.
Still further, the printing module 300 is responsible for the ink printing process of the material to be printed, and the printing module 300 includes an ink set assembly 310, a plate cylinder 320, and a print wheel 330. The wheel passes through motor drive, through bevel gear pair and version section of thick bamboo subassembly meshing transmission, with the printing pattern rendition on the version section of thick bamboo 320 to the wheel, by the printing wheel 330 print to wait to print on the material again.
Further, the glazing module 400 is responsible for the glazing process of the material to be printed, and the glazing module 400 includes a glazing rubber roll and a glazing anilox roll.
Still further, the curing module 500 is responsible for the curing process of the material to be printed.
Still further, finished product output module 600 is used for sending out the material that the printing is good.
The disclosure of the hose and can printing apparatus is merely a preferred embodiment of the present invention, which is provided for illustration of the technical solution of the present invention and not for limitation thereof. Reference will now be made in detail to some embodiments, wherein an "embodiment" as referred to herein refers to a particular feature, structure, or characteristic that may be included in at least one implementation of the present application.
In some embodiments, the feeder module 200 includes a can inlet star wheel, a can inlet nozzle. The tank inlet star wheel is rotatable, and star wheel material grooves for placing materials are distributed on the tank inlet star wheel. After the can inlet star wheel sends the material to a preset place, the material is blown to the printing die head 100 through the can inlet air nozzle.
In this embodiment, optionally, the can-feeding star wheel of the feeding module 200 is related to the material size, and when the material diameter changes, the can-feeding star wheel needs to be replaced.
In some embodiments, referring to fig. 3, the printing module 300 is integrated on a large disc (large-sized circular stand) with the print wheel 330 in the middle of the large disc. The ink set assembly 310 and the plate cylinder 320 surround the print wheel 330, so that space is saved and control points are reduced.
In this embodiment, the ink set assembly 310 and the plate cylinder 320 may be combined into an ink set. For example, the printing module 300 of the present embodiment can be used to print eight colors with eight ink sets combined.
In this embodiment, optionally, a nitrogen spring is added to the uppermost ink set assembly 310, and when the ink set assembly 310 is opened, the nitrogen spring springs the ink set assembly 310, so that labor is saved.
In this embodiment, optionally, when the printing layout is changed, the jigger needs to be manually rotated to switch the ink set assembly 310.
In some embodiments, the conveyor line includes a printing section rotating plate 110, and the printing roller 330 is pressed against the printing section rotating plate 110 to facilitate the roll printing process.
In this embodiment, the conveying line may be a single segment or may be divided into several segments according to the respective process conditions.
In some embodiments, referring to fig. 7, the hose and two-piece can printing apparatus of the present invention further includes an adjustable base 340, the printing module 300 is located on the adjustable base 340, the adjustable base 340 includes a transverse frame 341 and a transverse adjusting device 342, the transverse frame 341 is provided with a longitudinal frame 343 and a longitudinal adjusting device 344, the longitudinal frame 343 is provided with an angle adjusting device 345, the adjustable base 340 is adjusted before operation, so as to ensure the printing quality of the printing module 300.
In this embodiment, optionally, the transverse adjusting device 342 employs a transverse adjusting screw, the longitudinal adjusting device 344 employs a longitudinal adjusting rod, and the angle adjusting device 345 employs an angle adjusting rod. The adjustment of the longitudinal adjusting rod and the angle adjusting rod is manual adjustment, and the adjustment operation of the transverse adjusting screw rod can adjust the parameter adjustment of the stepping motor on the touch screen.
In some embodiments, referring to fig. 6, the plate cylinder 320 includes a plate cylinder mounting plate 321, a plate cylinder magnetic attraction device, and a plate cylinder positioning pin 322, and the plate cylinder 320 is connected to the plate cylinder mounting plate 321 through the plate cylinder magnetic attraction device and the plate cylinder positioning pin 322. The plate cylinder 320 is replaceable and is installed in a matched mode through the plate cylinder installation plate 321 and the plate cylinder magnetic suction device. The opening and closing of the printing plate cylinder 320 can be realized by the opening and closing of the printing plate cylinder positioning pin 322 and the plate releasing handle, and the bevel gear of the printing plate cylinder 320 is meshed with the fine grinding bull gear at the printing wheel 330, so that the meshing transmission is realized during normal work.
The positioning holes on the printing magnetic plate are aligned with the plate cylinder mounting plate 321 on the magnetic plate cylinder 320 for plate pasting during plate mounting, and the printing magnetic plate is directly dismounted during plate dismounting.
In some embodiments, the plate cylinder 320 is provided with a circumferential adjusting device 323, an axial adjusting device 324, and a plate pressure adjusting device 325. The axial adjusting device 324 and the circumferential adjusting device 323 can realize axial and circumferential adjustment of the pasting plate. The platen press adjusting device 325 can be adjusted by adjusting a worm gear. The shaft end eccentric sleeve 326 is arranged on the shaft axis position of the plate cylinder 320, and the shaft end eccentric sleeve 326 can perform initial shaft axis coordinate adjustment. This ensures that the plate cylinder 320 meets the clearance fit requirements.
In some embodiments, a brake 331 is provided on the print wheel 330 to counteract the inertial force and prevent reprinting or plate pasting during the printing shutdown.
In this embodiment, the brake device 331 includes a brake drum and a brake band. The brake drum is matched with the brake band in work, the brake drum is connected with the print wheel 330, the brake band surrounds the outer cylindrical surface of the brake drum, a cylindrical surface sliding friction pair is formed between the outer cylindrical surface of the brake drum and the brake band, the brake operation of the print wheel 330 is realized, and the brake device can refer to the existing similar brake devices and brake devices.
In some embodiments, referring to fig. 4 and 5, the ink set assembly 310 includes an ink fountain 311, an ink wheel 312, an ink transfer roller 313, an ink form roller 314, an ink distribution roller 318, and an ink form roller 319. The ink roller 312 is controlled by the motor to move independently, so that the ink can be drawn out through the ink roller 312, and the ink amount and thickness are determined by the adjustment of the adjusting screw of the ink fountain 311. The ink feed amount of the ink feed roller 313 is controlled and set by a corresponding motor, cylinder, and control system. The oscillating roller 314 allows ink to be uniformly applied to the oscillating roller in a reciprocating motion, improving printing quality. The distribution roller 318 is used to make the ink distributing effect appear. The self-weight, the spring pressure and the autorotation are used for achieving the ink-homogenizing effect.
In this embodiment, optionally, the pressure between the equalizing roller 318 and the oscillating roller 314 is adjusted, so that the printing effect is obviously influenced.
In some embodiments, an oscillating carriage 315, a fork 316, and an oscillating transition gear 317 are coupled to the oscillating roller 314. The ink distributing is realized by driving an adjustable eccentric device by a servo motor and driving an ink distributing roller by a connecting rod and a swing arm.
During normal operation, the helical gear of the ink group is meshed with the helical gear of the plate cylinder 320, the servo motor rotates anticlockwise, and the direct drive gear drives the connecting rod and the ink distributing swing frame 315 through the ink distributing transition gear 317 so as to drive the ink distributing roller to move left and right. At the moment, the double-shaft cylinder is in a retraction state, and the shifting fork 316 shifts the ink distributing transition gear 317 to be separated from the ink distributing gear.
When the ink set assembly 310 is opened, the ink set bevel gear is separated from the plate cylinder bevel gear, and the servo motor stops rotating. At this time, the double-shaft cylinder is in a retraction state, and the shifting fork 316 shifts the distributing transition gear 317 to be separated from the distributing gear.
When the ink is washed (at the moment, the ink set assembly 310 is in an open state), the ink set helical gear is separated from the plate cylinder helical gear, the servo motor rotates anticlockwise, and the direct drive gear drives the connecting rod and the ink distributing swing frame 315 through the ink distributing transition gear 317 so as to drive the ink distributing roller to move left and right. At this moment, the double-shaft cylinder is in an extending state, the shifting fork shifts the ink distributing transition gear 317 to be meshed with the ink distributing gear, and the shifting lever is shifted to conveniently clean each ink roller.
In some embodiments, referring to fig. 8, the present invention further comprises a pre-rotation friction assembly 410, wherein the pre-rotation friction assembly 410 is used to provide pre-rotation power to the print die 100 before the glazing process. In operation, the print die 100 contacts the friction pre-rotation assembly 410 for friction transmission, thereby driving the print die 100 to rotate.
In this embodiment, the friction pre-rotation assembly 410 may alternatively drive the print die 100 via a friction pre-rotation assembly rotating a belt. When the material changes specification, the size of the printing die head 100 changes, and at this time, the rotating belt of the friction pre-rotating group needs to be properly adjusted to adapt to the new printing die head 100, so that normal friction transmission is ensured.
In some embodiments, referring to fig. 9, the curing module 500 includes an oven 510, and the enclosed recyclable region within the oven 510 allows the cans to remain in the oven for a certain amount of time while the heated air is circulated and the exhaust air is periodically vented. The oven 510 is provided with a uniform air fan 520, an exhaust fan 530 and a cooling fan 540. The uniform air blower 520 ensures that the temperature is approximately the same at each location of the heating section within the oven 510. The exhaust fan 530 is responsible for periodically removing the exhaust gas. The heated material is cooled by a cooling fan 540 outside the oven 510.
In this embodiment, optionally, the oven 510 includes a primary curing section and a secondary curing section. The heating temperature and the heating time adopted by the primary curing section and the secondary curing section can be respectively set according to the requirements.
In this embodiment, optionally, the position of the conveying line corresponding to the curing module 500 is a flow line, and the flow line drives the material to enter the oven 510 for heating, and then to exit from the oven 510.
In some embodiments, the finished product output module 600 includes a blowing nozzle, and after the print die head 100 reaches the predetermined position, the material on the print die head 100 is blown away by the blowing nozzle, and falls into the collecting tank.
The present invention can be modified and adapted to the above-described embodiments according to the principles described above. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and modifications and variations of the present invention are also intended to fall within the scope of the appended claims.
Claims (1)
1. A hose and two-piece can printing device comprises a conveying line, wherein the conveying line is used for conveying materials to be printed, a printing die head is arranged on the conveying line, the printing die head can move along the conveying line, and the printing die head is used for fixing the materials to be printed;
the feeding module is used for feeding materials to be printed to the printing die head;
the printing module is responsible for an ink printing process of a material to be printed and comprises an ink set assembly, a plate cylinder and a printing wheel; the printing wheel is driven by a motor, is in meshed transmission with the plate cylinder assembly through a bevel gear pair, transfers the printing pattern on the plate cylinder to the printing wheel, and then is printed on a material to be printed by the printing wheel;
the glazing module is responsible for a glazing process of a material to be printed and comprises a glazing rubber roll and a glazing anilox roll;
the curing module is responsible for curing the material to be printed;
the finished product output module is used for sending out the printed materials;
the feeding module comprises a tank inlet star wheel and a tank inlet air nozzle; the tank inlet star wheel can rotate, and star wheel material grooves for placing materials are distributed on the tank inlet star wheel; after the can feeding star wheel sends the materials to a preset place, the materials are blown to the printing die head through a can feeding air nozzle;
the nitrogen spring is additionally arranged on the uppermost ink set assembly, and the nitrogen spring bounces the ink set assembly when the ink set assembly is opened;
the conveying line comprises a printing section rotating disc, and a printing wheel and the printing section rotating disc are pressed together to facilitate a roll printing process;
the adjustable base comprises a transverse frame and a transverse adjusting device, a longitudinal frame and a longitudinal adjusting device are arranged on the transverse frame, an angle adjusting device is arranged on the longitudinal frame, the adjustable base is adjusted before working, and the printing quality of the printing module is guaranteed;
the plate cylinder comprises a plate cylinder mounting plate, a plate cylinder magnetic suction device and a plate cylinder positioning pin, and is connected with the plate cylinder mounting plate through the plate cylinder magnetic suction device and the plate cylinder positioning pin; the plate cylinder is replaceable and is installed in a matching way through a plate cylinder installation plate and a plate cylinder magnetic suction device; the plate cylinder positioning pin is matched with the plate-removing handle to realize the opening and closing of the plate surface of the plate cylinder, and the helical gear of the plate cylinder is meshed with the fine grinding gearwheel at the printing wheel to realize the meshing transmission in the normal working process; when the plate is installed, the positioning hole on the printing magnetic plate is aligned to the plate cylinder mounting plate on the magnetic plate cylinder for plate pasting, and when the plate is removed, the printing magnetic plate is directly removed; the plate cylinder is provided with a circumferential adjusting device, an axial adjusting device and a plate pressure adjusting device; the axial adjusting device and the circumferential adjusting device can realize axial and circumferential adjustment of the pasting plate; the plate pressure adjusting device can be adjusted by adjusting the worm gear; the shaft end eccentric sleeve is arranged on the shaft axis position of the plate cylinder and can perform shaft axis homotopic adjustment in the initial process; the plate cylinder can be ensured to meet the clearance fit requirement;
the printing wheel is provided with a brake device, so that the action of inertia force is counteracted, and the phenomenon of reprinting or plate pasting can be avoided in the printing shutdown process; the brake device comprises a brake drum and a brake band; the brake drum is connected with the print wheel, and the brake belt is surrounded on the outer cylindrical surface of the brake drum, so that a cylindrical surface sliding friction pair is formed between the outer cylindrical surface of the brake drum and the brake belt, and the brake operation of the print wheel is realized;
the ink group component comprises an ink duct, an ink wheel, an ink feeding roller, an ink distributing roller, an ink equalizing roller and an ink form roller; the ink roller is controlled by the motor to move independently, so that the ink can be led out through the ink roller, and the ink amount thickness is determined by the adjustment of an adjusting screw of the ink fountain; the ink feeding amount of the ink feeding roller is controlled and set by a corresponding motor, a cylinder and a control system; the ink distributing roller can uniformly coat the ink on the ink distributing roller in the reciprocating motion, so that the printing quality is improved; the ink distributing roller is used for showing an ink distributing effect and achieving the ink distributing effect by self weight, spring pressure and autorotation;
the ink distributing roller is connected with an ink distributing swing frame, a shifting fork and an ink distributing transition gear; the ink distributing is realized by driving an adjustable eccentric device by a servo motor and driving an ink distributing roller by a connecting rod and a swing arm;
during normal operation, the helical gear of the ink group is meshed with the helical gear of the plate cylinder, the servo motor rotates anticlockwise, and the direct drive gear drives the connecting rod and the ink distributing swing frame through the ink distributing transition gear so as to drive the ink distributing roller to move left and right; at the moment, the double-shaft cylinder is in a retraction state, and the shifting fork shifts the ink distributing transition gear to be separated from the ink distributing gear; when the ink set assembly is opened, the ink set bevel gear is separated from the plate cylinder bevel gear, and the servo motor stops rotating; at the moment, the double-shaft cylinder is in a retraction state, and the shifting fork shifts the ink distributing transition gear to be separated from the ink distributing gear;
when ink is washed, the ink set assembly is in an open state, the ink set helical gear is separated from the plate cylinder helical gear, the servo motor rotates anticlockwise, and the direct drive gear drives the connecting rod and the ink distributing swing frame through the ink distributing transition gear so as to drive the ink distributing roller to move left and right; at the moment, the double-shaft cylinder is in an extending state, the shifting fork shifts the ink distributing transition gear to be meshed with the ink distributing gear, and the shifting rod is shifted to facilitate cleaning of each ink roller;
the polishing device also comprises a friction pre-rotation assembly, wherein the friction pre-rotation assembly is used for providing pre-rotation power for the printing die head before the polishing process; when the friction pre-rotating component works, the printing die head is contacted with the friction pre-rotating component to carry out friction transmission, so that the printing die head is driven to rotate;
the curing module comprises an oven, wherein the oven is provided with an air-homogenizing fan, an exhaust fan and a cooling fan; the uniform air fan ensures that the temperature of each position of the heating section in the oven is the same; the exhaust fan is responsible for periodically exhausting waste gas; cooling the heated material by a cooling fan outside the oven;
the oven comprises a primary curing section and a secondary curing section; the position of the conveying line, corresponding to the curing module, is a production line, and the production line drives materials to enter the oven for heating and then to come out of the oven;
the finished product output module comprises a tank blowing air nozzle, after the printing die head reaches a preset position, the material on the printing die head is blown away through the tank blowing air nozzle, and the material falls into the collecting tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210229024.9A CN114311990B (en) | 2022-03-10 | 2022-03-10 | Flexible pipe and two-piece can printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210229024.9A CN114311990B (en) | 2022-03-10 | 2022-03-10 | Flexible pipe and two-piece can printing device |
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| Publication Number | Publication Date |
|---|---|
| CN114311990A CN114311990A (en) | 2022-04-12 |
| CN114311990B true CN114311990B (en) | 2023-03-17 |
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| CN202210229024.9A Active CN114311990B (en) | 2022-03-10 | 2022-03-10 | Flexible pipe and two-piece can printing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114801464B (en) * | 2022-05-14 | 2024-01-05 | 深圳市彩昇印刷机械有限公司 | Plate roller gear transmission assembly and rotary printing machine |
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| CN113555644B (en) * | 2021-07-16 | 2023-05-12 | 中材锂膜有限公司 | Method for improving membrane surface crease of lithium battery membrane coating membrane |
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