CN211031592U

CN211031592U - Novel gravure printing roller pressing device of gravure printing machine

Info

Publication number: CN211031592U
Application number: CN201921553401.4U
Authority: CN
Inventors: 简镇明; 汪俊学; 陈丰良
Original assignee: Xiamen Qianrun Technology Co ltd
Current assignee: Xiamen Qianrun Technology Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-07-17
Anticipated expiration: 2029-09-18

Abstract

The utility model provides a novel gravure printing machine gravure roller compression fittings, including frame, adjustable subassembly, impression rubber roll subassembly, gravure roller subassembly and adjustable subassembly from the top down set gradually, and all are located the frame, adjustable subassembly sets up in the frame bottom, gravure roller subassembly activity sets up in adjustable subassembly top, and acts on the rebound at adjustable subassembly, moves down under the gravity of self, impression rubber roll subassembly sets up with gravure roller subassembly relatively. The gravure roller assembly is pressed upwards under the action of the adjustable assembly, so that the position of the embossing rubber roller assembly is kept unchanged, the tension of a printing material and the position of a printing pattern can be kept unchanged when the machine is restarted after shutdown, the printing material, the printing ink and the adjustment time required by the tension balance of the whole machine can be greatly saved when the machine is restarted, and the production efficiency is improved.

Description

Novel gravure printing roller pressing device of gravure printing machine

Technical Field

The utility model relates to a technical field of gravure printing, especially a novel gravure press gravure roller compression fittings of gravure press.

Background

The existing intaglio press pressing system is completely in a mode of pressing an embossing rubber roller from top to bottom, and printing ink is transferred to a printed matter by using the intaglio rubber roller; others include an impression roller assembly, a gravure roller assembly, an ink doctor assembly, an ink bath lift system, and an impression roller lift system. The printing material is conveyed to a position between an impression rubber roller and a gravure roller cylinder through a roller, the printing material is pressed on a gravure plate cylinder through a cylinder or other mechanisms capable of realizing the combination of the impression rubber roller and the gravure plate cylinder, the pattern of the residual non-pattern ink scraped by an ink scraper is transferred onto the printing material, and then the printing material is conveyed to a hot air oven or a UV ink curing unit at the upper part through the roller.

The disadvantages of the current gravure laminating systems described above are as follows:

firstly, because the impression rubber roller is pressed downwards towards the clutch of the gravure roller, the tension of the printing material is inevitably changed, the printing material is lengthened, and the printing tension is reduced; the position of the printed pattern is relatively changed, so that the tension of the printed material needs to be rebalanced after the machine is stopped and the press is closed, and the other is the relative position of the printed pattern needs to be realigned; additional loss of material is incurred.

In view of the above, the present inventors have specially designed a novel gravure roller pressing device of an intaglio printing press, and have developed the device.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the technical scheme of the utility model is as follows:

the utility model provides a novel gravure printing machine gravure roller compression fittings, includes frame, adjustable subassembly, impression rubber roller subassembly, gravure roller subassembly and adjustable subassembly from the top down set gradually, and all are located the frame, adjustable subassembly sets up in the frame bottom, gravure roller subassembly activity sets up in adjustable subassembly top, and acts on the rebound at adjustable subassembly, and the downward movement under the gravity of self, impression rubber roller subassembly sets up with gravure roller subassembly relatively.

Further, adjustable subassembly includes the base, sets up in the drive assembly at base both ends, the base sets up in frame bottom top, two drive assembly drives gravure roller subassembly upward movement jointly.

Further, drive assembly includes pivot, eccentric wheel and drive arrangement, the pivot both ends all set up eccentric wheel and drive arrangement, gravure roller subassembly sets up in four eccentric wheel tops, two drive arrangement drives the pivot jointly and rotates, and the pivot drives the eccentric wheel and rotates, and the eccentric wheel effect is with the jack-up that makes progress of gravure roller subassembly.

Furthermore, drive arrangement includes driving piece and driving medium, the driving piece output rotates with the driving medium to be connected, the driving medium drives the pivot and rotates.

Further, the driving member may adopt an air cylinder or a hydraulic cylinder.

Furthermore, a plurality of guide pillars are arranged on the base, and the gravure roller assembly is arranged on a guide groove matched with the guide pillars.

Further, still include the horizontal adjustment subassembly, the horizontal adjustment subassembly includes knob, adjusting screw, the spout and the slide rail of mutually supporting, the spout sets up in the base below, the slide rail sets up on the frame bottom, and rotatory knob realizes the lateral shifting of base under the adjusting screw effect.

Further, still include printing ink scraper subassembly and ink tank subassembly, gravure printing roller subassembly package bottom plate and curb plate, the ink tank subassembly sets up on the bottom plate, printing ink scraper subassembly sets up on the curb plate.

Furthermore, still include impression rubber roll elevating system, impression rubber roll elevating system sets up in the frame, and drives impression rubber roll subassembly and reciprocate.

Furthermore, the impression rubber roller assembly and the gravure roller assembly are respectively provided with an impression rubber cylinder and a gravure roller, and the impression rubber cylinder and the gravure roller are oppositely arranged and are driven to rotate by a motor.

The utility model discloses a compression fittings is through setting up adjustable subassembly, impression rubber roller subassembly, gravure roller subassembly, and wherein gravure roller subassembly realizes upwards the pressfitting under adjustable subassembly effect, can make impression rubber roller subassembly's position remain unchanged, can guarantee the tension of printing material and the position of printing pattern unchangeable when starting again after shutting down like this, and required printing material of complete machine tension balance, printing ink and adjustment time when can practicing thrift the restart greatly improve production efficiency.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.

Wherein:

fig. 1 is an exploded view of the pressing device of the present invention;

fig. 2 is a schematic structural view of the pressing device of the present invention;

FIG. 3 is a schematic structural view of the adjustable assembly of the present invention;

fig. 4 is an exploded view of the drive assembly of the present invention.

Description of reference numerals:

10-frame, 11-support base, 20-adjustable component, 21-base, 211-guide column, 22-drive component, 221-rotating shaft, 222-eccentric wheel, 223-drive device, 2231-drive piece, 2232-drive piece, 224-bearing, 30-impression rubber roller component, 31-impression rubber roller, 40-gravure roller component, 41-gravure roller, 50-ink groove component, 60-ink scraper component, 70-impression rubber roller lifting mechanism, 80-transverse adjustment component, 81-knob, 82-adjusting screw, 83-slide rail and 84-chute.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Please refer to fig. 1 to 4, which are preferred embodiments of the present invention, a novel gravure roller pressing device of an intaglio press, comprising a frame 10, an adjustable assembly 20, an impression rubber roller assembly 30, a gravure roller assembly 40, the impression rubber roller assembly 30, the gravure roller assembly 40 and the adjustable assembly 20 are sequentially disposed from top to bottom, and are all located in the frame 10, the adjustable assembly 20 is disposed at the bottom of the frame 10, the gravure roller assembly 40 is movably disposed above the adjustable assembly 20, and is moved upward under the action of the adjustable assembly 20, and is moved downward under the gravity of itself, the impression rubber roller assembly 30 and the gravure roller assembly 40 are relatively disposed.

The adjustable assembly 20 comprises a base 21 and driving assemblies 22 arranged at two ends of the base 21, the base 21 is arranged above the bottom of the rack 10, and the two driving assemblies 22 jointly drive the gravure roller assembly 40 to move upwards; the driving assembly 22 comprises a rotating shaft 221, eccentric wheels 222 and driving devices 223, the eccentric wheels 222 and the driving devices 223 are arranged at two ends of the rotating shaft 221, the gravure roller assembly 40 is arranged above the four eccentric wheels 222, the two driving devices 223 drive the rotating shaft 221 to rotate together, the rotating shaft 221 drives the eccentric wheels 222 to rotate, and the eccentric wheels 222 are used for jacking up the gravure roller assembly 40; the driving device 223 includes a driving member 2231 and a transmission member 2232, an output end of the driving member 2231 is rotatably connected to the transmission member 2232, and the transmission member 2232 drives the rotating shaft 221 to rotate. The driving member 2231 may adopt an air cylinder or a hydraulic cylinder; preferably, a supporting seat 11 for supporting the rotating shaft 221 is disposed on the frame 10, the supporting seat 11 is rotatably connected to the rotating shaft 221, a bearing 224 is sleeved outside the eccentric wheel 222, and an outer surface of the bearing 224 directly abuts against a lower end surface of the gravure roller assembly 40.

The base 21 is provided with a plurality of guide posts 211, the gravure roller assembly 40 is provided with guide grooves matched with the guide posts 211, and the gravure roller assembly 40 can move upwards or downwards in a straight line under the action of the guide posts 211.

The embodiment further comprises a transverse adjusting assembly 80, the transverse adjusting assembly 80 comprises a knob 81, an adjusting screw 82, a sliding groove 84 and a sliding rail 83, the sliding groove 84 and the sliding rail 83 are matched with each other, the sliding groove 84 is arranged below the base 21, the sliding rail 83 is arranged on the bottom of the rack 10, and the rotary knob 81 is used for realizing transverse movement of the base 21 under the action of the adjusting screw 82.

The gravure roller assembly 40 comprises a bottom plate and side plates, the ink groove assembly 50 is arranged on the bottom plate, the ink scraper assembly 60 is arranged on the side plates, so that the position of an impression rubber roller on the impression rubber roller assembly 30 is kept unchanged during pressing, the lower gravure plate roller 41 and the whole set of accessory mechanisms (the ink scraper assembly 60 and the ink groove assembly 50) move upwards together for pressing, and the tension of the material and the position of a printed pattern are ensured not to be changed; the specific ink tank assembly 50 further includes an ink tank and an ink tank lifting mechanism, and after the gravure plate cylinder 41 is replaced, the distance between the ink tank and the gravure plate cylinder 41 is adjusted by the ink tank lifting mechanism.

The embodiment also comprises an embossing rubber roll lifting mechanism 70, which is arranged on the frame 10 and drives the embossing rubber roll assembly 30 to move up and down; the impression rubber roller assembly 30 and the gravure roller assembly 40 are respectively provided with an impression rubber cylinder 31 and a gravure roller cylinder 41, and the impression rubber cylinder 31 and the gravure roller cylinder 41 are oppositely arranged and are driven to rotate by a motor.

The utility model discloses a concrete theory of operation as follows: after the gravure printing plate roller 41 is replaced, the embossing rubber roller is adjusted to a position which is relatively fixed with the gravure printing plate roller 41 in advance through a pressing rubber roller lifting mechanism, the adjustment mode can be manually adjusted through a hand wheel, and the position can also be automatically adjusted through software calculation by using various driving motors; and then the gravure plate roller 41, the ink scraper component 60 and the ink groove component 50 are lifted upwards to be pressed with the impression rubber roller by a lifting device adopting a cam eccentric mechanism or a cylinder, a hydraulic cylinder and the like, and the ink groove lifting mechanism is lifted by a set of cross arm or a gear rack lifting mechanism to keep the relative position between the ink groove and the gravure plate roller 41 fixed, so that the gravure plate roller 41 is ensured to be immersed in the ink to the maximum extent. When a machine halt is required in the printing process, the adjustable assembly 20 can drop the gravure roller cylinder 41, the ink scraper assembly 60 and the ink tank assembly 50 back down for a fixed distance together and separate from the impression roller cylinder, so that the gravure roller cylinder 41 can perform self-lubricating to prevent the ink from being dried in the ink holes of the gravure roller cylinder 41.

To sum up, the utility model discloses a compression fittings is through setting up adjustable subassembly, impression rubber roller subassembly, gravure roller subassembly, and wherein gravure roller subassembly realizes upwards the pressfitting under adjustable subassembly effect, can make the position of impression rubber roller subassembly remain unchangeable, can guarantee the tension of printing material and the position of printing pattern unchangeable when starting again after shutting down like this, and required printing material of complete machine tension balance, printing ink and adjustment time when can practice thrift the restart greatly improve production efficiency.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.

Claims

1. The utility model provides a novel gravure printing roller compression fittings of gravure press, its characterized in that, includes frame, adjustable subassembly, impression rubber roller subassembly, gravure printing roller subassembly and adjustable subassembly from the top down set gradually, and all are located the frame, adjustable subassembly sets up in the frame bottom, gravure printing roller subassembly activity sets up in adjustable subassembly top, and acts on the rebound at adjustable subassembly, moves down under the gravity of self, impression rubber roller subassembly sets up with gravure printing roller subassembly relatively.

2. The novel intaglio roller pressing device of the intaglio press as claimed in claim 1, wherein said adjustable assembly comprises a base and driving assemblies disposed at two ends of the base, said base is disposed above the bottom of the frame, and two of said driving assemblies jointly drive the intaglio roller assembly to move upward.

3. The novel intaglio roller pressing device of the intaglio press as claimed in claim 2, wherein the driving assembly comprises a rotating shaft, eccentric wheels and driving devices, the eccentric wheels and the driving devices are disposed at two ends of the rotating shaft, the intaglio roller assembly is disposed above the four eccentric wheels, two of the driving devices jointly drive the rotating shaft to rotate, the rotating shaft drives the eccentric wheels to rotate, and the intaglio roller assembly is jacked upwards under the action of the eccentric wheels.

4. The new gravure roll laminating apparatus of intaglio printing press as claimed in claim 3, wherein said driving device comprises a driving member and a transmission member, wherein said output end of said driving member is rotatably connected to said transmission member, and said transmission member drives said rotating shaft to rotate.

5. The new gravure roll press assembly of intaglio printing press according to claim 4 wherein said driving member can be a pneumatic or hydraulic cylinder.

6. The new gravure roller press-fitting device of intaglio press as set forth in claim 2, wherein said base is provided with a plurality of guide posts, and said gravure roller assembly is provided with guide grooves engaged with the guide posts.

7. The novel intaglio roller pressing device of the intaglio press as claimed in claim 1, further comprising a lateral adjustment assembly, wherein the lateral adjustment assembly comprises a knob, an adjusting screw, a sliding groove and a sliding rail, the sliding groove and the sliding rail are mutually matched, the sliding groove is disposed below the base, the sliding rail is disposed on the bottom of the frame, and the rotating knob realizes the lateral movement of the base under the action of the adjusting screw.

8. The new gravure roll laminating apparatus of intaglio printing press according to claim 1, further comprising an ink scraper assembly and an ink tank assembly, wherein said gravure roll assembly comprises a bottom plate and a side plate, said ink tank assembly is disposed on the bottom plate, and said ink scraper assembly is disposed on the side plate.

9. The novel intaglio roller pressing device of the intaglio press as claimed in claim 1, further comprising an embossing rubber roller lifting mechanism, wherein the embossing rubber roller lifting mechanism is arranged on the frame and drives the embossing rubber roller assembly to move up and down.

10. The new gravure roller pressing device of intaglio press as recited in claim 1, wherein said printing blanket roller assembly and said gravure roller assembly are respectively provided with a printing blanket cylinder and a gravure plate cylinder, said printing blanket cylinder and said gravure roller cylinder are disposed opposite to each other and are driven to rotate by a motor.