CN215203940U

CN215203940U - Flexo printing device with movable ink groove

Info

Publication number: CN215203940U
Application number: CN202120042226.3U
Authority: CN
Inventors: 林正能
Original assignee: Shenzhen Zhengqi Machinery Co ltd
Current assignee: Shenzhen Zhengqi Machinery Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-12-17
Anticipated expiration: 2031-01-07

Abstract

The utility model belongs to the technical field of printing equipment, in particular to a flexible printing device with a movable ink tank, which comprises a frame with a supporting function, a plate cylinder component which can rotate and has a printing function, and an extrusion roller component which can rotate and is matched with the plate cylinder component for printing; the plate cylinder assembly and the extrusion roller assembly are rotatably and movably arranged on the frame, a printing gap for printing a product is formed between the plate cylinder assembly and the extrusion roller assembly, the device also comprises an ink tank for containing ink and being capable of being partially or completely drawn out of the frame, and an ink transfer assembly for guiding the ink into the plate cylinder assembly; the ink groove and the printing ink transmission component are movably arranged in the frame, and the ink groove and the plate cylinder component correspond to the printing ink transmission component. The utility model discloses in, through above-mentioned structure, can realize conveniently clearing up the china ink groove, also conveniently change the china ink groove.

Description

Flexo printing device with movable ink groove

Technical Field

The utility model belongs to the technical field of lithography apparatus, in particular to flexographic printing device with movable china ink groove.

Background

Flexography is a direct printing method, called flexography, because of the use of an elastic, raised image plate. The flexographic plate is attached to a plate cylinder and is inked by an engraved metal anilox roll. Flexographic printing has unique flexibility, economy, and environmental benefits, and meets food packaging print hygiene standards, which is one of the reasons why flexographic printing processes have been developed more rapidly abroad. However, from the situation of our country, offset printing is more popular, gravure printing has already taken a lot of market in the packaging industry, and the technology of flexography is relatively late, but the technology has indeed made great progress in recent years.

However, in the prior art, the ink tank is fixedly arranged in the flexo printing device, and when the ink tank needs to be replaced, the ink tank needs to be taken out by detaching the ink tank, which is very troublesome and inconvenient.

Disclosure of Invention

In order to solve the above problem, an object of the present invention is to provide a flexographic printing device with a movable ink fountain, wherein the ink fountain of the device can be moved, and the ink fountain can be cleaned conveniently and also can be replaced conveniently.

Another object of the utility model is to provide a flexographic printing device with movable china ink groove, the device is convenient and fast more when changing a version section of thick bamboo, and holistic occupation space is littleer, and manufacturing cost is lower.

In order to achieve the above object, the technical solution of the present invention is as follows.

A flexible printing device with a movable ink tank comprises a frame with a supporting function, a plate cylinder assembly capable of rotating and having a printing function, and a squeezing roller assembly capable of rotating and printing in cooperation with the plate cylinder assembly; the plate cylinder assembly and the squeeze roller assembly can be rotatably and movably arranged on the frame, and a printing gap for printing a product is formed between the plate cylinder assembly and the squeeze roller assembly; the ink groove and the printing ink transmission assembly are movably arranged in the rack, and the ink groove and the plate cylinder assembly correspond to the printing ink transmission assembly. In the device, the ink groove is movably arranged in the frame, so that the ink groove can be partially drawn out when the ink groove needs to be observed or ink is added into the ink groove; when the ink tank needs to be replaced or cleaned, the ink tank can be completely drawn out, and through the structure, the ink tank can be conveniently cleaned, and the ink tank can be conveniently replaced.

Furthermore, the ink groove is movably arranged on the rack through a sliding rail and sliding groove structure. Through slide rail spout structure for the china ink groove takes out more conveniently.

Further, the printing ink transfer assembly comprises an anilox roller used for transferring printing ink to the plate cylinder assembly, the anilox roller is movably arranged on the rack and corresponds to the plate cylinder assembly in position, and the side face of the plate cylinder assembly is attached to the side face of the anilox roller.

Further, printing ink transfer assembly is still including the distributor roller, distributor roller rotatable formula swing joint is in the china ink groove, just the distributor roller side is laminated with the reticulation roller side. When the device uses, the anilox roller rotates and drives the distributor roller to rotate, and when the distributor roller rotates, the printing ink in the ink groove is transferred to the anilox roller.

Further, a doctor blade is fixedly arranged on the ink groove, the doctor blade is positioned on the side edge of the anilox roller, and the doctor blade can be far away from or close to the anilox roller under the driving of the ink groove. The ink scraping blade can uniformly scrape ink on the anilox roller, and the ink is scraped to the ink groove, and the ink groove can be drawn out in the device, so that the ink scraping blade is more convenient when the ink scraping blade needs to be adjusted or replaced.

Further, version section of thick bamboo subassembly is including a flexography section of thick bamboo and a version section of thick bamboo motor, the activity that can rotate formula in a flexography section of thick bamboo both ends sets up in the frame, a version section of thick bamboo motor is fixed to be set up in the frame, just the output shaft of a version section of thick bamboo motor is connected with a flexography section of thick bamboo one end and is rotatory with the direct drive flexography section of thick bamboo. The flexible printing plate cylinder is directly driven by a printing plate cylinder motor, and a gear set is not required to be arranged in the middle; when the flexographic printing plate cylinder is replaced, the flexographic printing plate cylinder can be directly replaced without considering the gear set replacement to be matched with the flexographic printing plate cylinder, so that the plate cylinder replacement is more convenient and quicker; and the arrangement of the gear set is reduced, so that the cost of the device is relatively reduced, the overall size design can be improved, and the occupied space and the volume of the device are smaller.

Further, the plate cylinder motor is a servo motor. The setting of the servo motor can adopt the rotating speed and the switch of a PC controller to realize the automatic control of the servo motor.

Furthermore, the version section of thick bamboo subassembly is still including the axle sleeve, the axle sleeve both ends respectively with frame and version section of thick bamboo motor fixed connection, just the output shaft of version section of thick bamboo motor passes the axle sleeve and is connected with a flexography section of thick bamboo one end with the rotation of direct drive flexography section of thick bamboo. The setting of axle sleeve avoids the output shaft of version section of thick bamboo motor directly to expose outside and receive external factor influence, avoids breaking down.

Furthermore, the ink groove is movably connected with the rear side of the frame, and the front side of the frame is also rotatably and movably connected with a paper passing rod rubber roller. The paper feeding rod rubber roller is used for guiding the product. The setting position of the printing machine enables the product to be more convenient when being printed.

Further, an avoiding cavity for passing the product is formed between the bottom side of the ink tank and the lower frame. The arrangement of the avoiding cavity enables a product to directly pass through the bottom side of the ink tank and enter a printing gap through the paper passing rod rubber roller. The arrangement of the avoiding cavity enables the device to guide products without adding more rollers, and the structure of the device is simpler.

Furthermore, the squeeze roll subassembly is including squeeze roll and driving motor, squeeze roll rotatable formula activity sets up in the frame, driving motor is fixed to be set up in the frame, be fixed with drive gear on the driving motor output shaft, the side of anilox roller and squeeze roll all passes the lower frame and is fixed with driven gear, driven gear on the anilox roller and the driven gear on the squeeze roll all with drive gear meshing. The driving motor drives the driven gear on the anilox roller and the driven gear on the squeeze roller through the driving gear, so that the anilox roller and the squeeze roller rotate.

Compared with the prior art, the utility model has the advantages that the ink groove is movably arranged in the frame, so that the ink groove can be partially drawn out when the ink groove needs to be observed or ink is added into the ink groove; when the ink tank needs to be replaced or cleaned, the ink tank can be completely drawn out, and through the structure, the ink tank can be conveniently cleaned, and the ink tank can be conveniently replaced.

Drawings

Fig. 1 is a schematic structural diagram of a first viewing angle of the present invention.

Fig. 2 is a schematic structural diagram of a second viewing angle of the present invention.

Fig. 3 is a schematic structural view of the present invention with the squeeze roll hidden.

Fig. 4 is a schematic structural diagram of the frame, the ink tank, the doctor blade and the ink transfer roller of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

A flexible printing device with a movable ink groove comprises a frame 1 with a supporting function, a plate cylinder assembly 2 capable of rotating and having a printing function, and a squeeze roller assembly 3 capable of rotating and being matched with the plate cylinder assembly 2 to print; the equal rotatable formula activity of version section of thick bamboo subassembly 2 and squeeze roll subassembly 3 sets up in frame 1, be formed with the printing clearance 4 that is used for the printing product between version section of thick bamboo subassembly 2 and the squeeze roll subassembly 3, its characterized in that, version section of thick bamboo subassembly 2 is including a flexographic printing section of thick bamboo 21 and a version section of thick bamboo motor 22, the equal rotatable formula activity in a flexographic printing section of thick bamboo 21 both ends sets up in frame 1, a version section of thick bamboo motor 22 is fixed to be set up in frame 1, just the output shaft of a version section of thick bamboo motor 22 is connected with a flexographic printing section of thick bamboo 21 one end and is rotatory in order to drive a flexographic printing section of thick bamboo 21. The frame 1 comprises an upper frame 11 and a lower frame 12, the upper frame 11 is located above the lower frame 12, the plate cylinder assembly 2 is arranged on the upper frame 11, the squeeze roller assembly 2 is arranged on the lower frame 12, an automatic adjusting assembly which does not need to be driven manually is arranged between the upper frame 11 and the lower frame 12, and the upper frame 11 is close to or far away from the lower frame 12 under the driving of the automatic adjusting assembly, so that the plate cylinder assembly 2 is close to or far away from the squeeze roller assembly 3. The device also comprises an ink tank 6 for receiving ink and being able to be drawn out of the frame partially or totally, an ink delivery assembly 7 for directing ink onto the flexographic cylinder 21; the ink tank 6 and the ink transfer component 7 are movably arranged in the lower frame 12, and the ink tank 6 and the flexographic plate cylinder 21 correspond to the ink transfer component 7. The plate cylinder assembly 2 is internally provided with no gear.

Further, the plate cylinder motor 22 is a servo motor.

Further, the plate cylinder assembly 2 further comprises a shaft sleeve 23, two ends of the shaft sleeve 23 are respectively and fixedly connected with the upper frame 11 and the plate cylinder motor 22, and an output shaft of the plate cylinder motor 22 penetrates through the shaft sleeve 23 to be connected with one end of the flexographic cylinder 21 so as to drive the flexographic cylinder 21 to rotate.

Further, the automatic adjusting assembly comprises an air cylinder 5, the air cylinder 5 is fixedly arranged on the upper frame 11, and an output shaft of the air cylinder 5 is fixedly arranged on the lower frame 12; the number of the cylinders 5 is more than two.

Further, the upper frame 11 and the lower frame 12 are movably connected in a sliding manner by a sliding rail and sliding block structure.

Further, both sides of the lower frame 12 extend upward to form side plates 121, a support plate 122 is fixedly arranged between the two side plates 121, both sides of the upper frame 11 are respectively arranged on the two side plates 121 of the lower frame 12, the two sides of the upper frame 11 and the two side plates 121 of the lower frame 12 are movably connected in a sliding manner by a slide rail and slide block structure, and an output shaft of the air cylinder 5 is fixedly arranged on the support plate 122.

Furthermore, a hydraulic support rod 123 is arranged on the side plate 121, and two ends of the hydraulic support rod 123 are respectively fixed to the side plate 121 and the upper frame 11.

Further, when the side plates 121 extend upward from both the left and right sides of the lower frame 12, they both extend obliquely upward.

Further, the ink transfer assembly 7 comprises an anilox roller 71 used for transferring ink to the flexographic plate cylinder 21, the anilox roller 71 is rotatably and movably arranged on the lower frame 12, and the anilox roller 71 corresponds to the flexographic plate cylinder 21 in position; anilox roller 71 one end is fixed to be provided with and is used for avoiding a flexographic printing plate section of thick bamboo 21 to fall too much bolster 72 under the drive of upper frame 11, bolster 72 corresponds with a section of thick bamboo subassembly 21 position, a flexographic printing plate section of thick bamboo 21 falls when bolster 71 department, the laminating of a flexographic printing plate section of thick bamboo 21 side and anilox roller 71 side.

Further, the squeeze roller assembly 3 includes a squeeze roller 31 and a driving motor 32, the squeeze roller 31 is rotatably and movably disposed on the lower frame 12, the driving motor 32 is fixedly disposed on the lower frame 12, a driving gear 321 is fixed on an output shaft of the driving motor 32, the side ends of the anilox roller 71 and the squeeze roller 31 both penetrate through the lower frame 12 and are fixedly provided with a driven gear 33, and the driven gear 33 on the anilox roller 71 and the driven gear 33 on the squeeze roller assembly 31 are both meshed with the driving gear 321.

Further, the ink tank 6 is movably arranged on the lower frame 12 through a sliding rail and sliding groove structure.

Further, the ink transfer assembly 7 further comprises an ink transfer roller 73, the ink transfer roller 73 is rotatably and movably connected in the ink tank 6, and the side surface of the ink transfer roller 73 is attached to the side surface of the anilox roller 71.

Further, a doctor blade 61 is fixedly arranged on the ink tank 6, the doctor blade 61 is positioned on the side of the anilox roller 71, and the doctor blade 61 can be far away from or close to the anilox roller 71 under the driving of the ink tank 6.

Further, the ink tank 6 is movably arranged at the rear side of the lower frame 12, and the front side of the lower frame 12 can be rotatably and movably connected with a paper passing rod rubber roller 8.

Further, an escape cavity for passing the product is formed between the bottom side of the ink tank 6 and the lower frame 12.

The working principle is as follows: when the device is used for printing, the upper frame moves on the lower frame under the driving of the cylinder, so that the flexographic plate cylinder is driven to approach, the width of a printing gap is adjusted and controlled, and a proper position is adjusted according to the thickness of a product, namely the printing requirement; and when the activity of last frame, the flexographic plate section of thick bamboo can be close to the reticulation roller simultaneously, and the ink transfer roller transmits the printing ink in the china ink groove for the reticulation roller, and the ink scraping knife is scraped evenly with the printing ink on the reticulation roller, and the reticulation roller then transmits printing ink to the flexographic plate section of thick bamboo on to make the flexographic plate section of thick bamboo print. After passing through the avoiding cavity, the product enters a printing gap for printing under the guidance of the paper passing rod rubber roller. Wherein the ink transfer roller is driven to rotate by the anilox roller.

The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.

Claims

1. A flexible printing device with a movable ink tank comprises a frame with a supporting function, a plate cylinder assembly capable of rotating and having a printing function, and a squeezing roller assembly capable of rotating and printing in cooperation with the plate cylinder assembly; the plate cylinder assembly and the squeeze roller assembly can be rotatably and movably arranged on the frame, and a printing gap for printing a product is formed between the plate cylinder assembly and the squeeze roller assembly; the ink groove and the printing ink transmission assembly are movably arranged in the rack, and the ink groove and the plate cylinder assembly correspond to the printing ink transmission assembly.

2. The flexo printing device with a movable ink tank according to claim 1, wherein the ink tank is movably arranged on the frame through a sliding rail and sliding groove structure.

3. The flexographic printing device according to claim 1, wherein the ink transfer unit comprises an anilox roller for transferring ink to the plate cylinder unit, the anilox roller is movably disposed on the frame, the anilox roller corresponds to the plate cylinder unit, and the side surface of the plate cylinder unit is attached to the side surface of the anilox roller.

4. The flexo printing device having a movable ink fountain according to claim 3, wherein the ink transfer assembly further comprises an ink transfer roller rotatably movably attached in the ink fountain, and wherein the side of the ink transfer roller is attached to the side of the anilox roller.

5. The flexo printing device with a movable ink tank according to claim 3, wherein a doctor blade is fixedly arranged on the ink tank, the doctor blade is positioned at the side of the anilox roller, and the doctor blade can be far away from or close to the anilox roller under the driving of the ink tank.

6. The flexo printing device with a movable ink tank according to claim 1, wherein the plate cylinder assembly comprises a flexo plate cylinder and a plate cylinder motor, both ends of the flexo plate cylinder are rotatably and movably arranged on the frame, the plate cylinder motor is fixedly arranged on the frame, and an output shaft of the plate cylinder motor is connected with one end of the flexo plate cylinder to directly drive the flexo plate cylinder to rotate.

7. The flexographic printing device according to claim 6, wherein said plate cylinder motor is a servo motor.

8. The flexo printing device with a movable ink tank according to claim 6, wherein the plate cylinder assembly further comprises a shaft sleeve, two ends of the shaft sleeve are fixedly connected with the frame and the plate cylinder motor respectively, and an output shaft of the plate cylinder motor passes through the shaft sleeve to be connected with one end of the flexo printing cylinder so as to directly drive the flexo printing cylinder to rotate.

9. The flexographic printing device according to claim 1, wherein the inking pot is movably connected to the rear side of the frame, and the front side of the frame is rotatably movably connected to a paper passing bar roller.

10. The flexographic printing device with the movable ink fountain according to claim 3, wherein the squeegee roller assembly comprises a squeegee roller rotatably and movably arranged on the frame and a driving motor fixedly arranged on the frame, a driving gear is fixedly arranged on an output shaft of the driving motor, driven gears are fixedly arranged on side ends of the anilox roller and the squeegee roller through the lower frame, and the driven gear on the anilox roller and the driven gear on the squeegee roller are meshed with the driving gear.