CN217671652U - Based on printing roller cooling device for lithography apparatus - Google Patents

Abstract

The utility model discloses a based on printing roller cooling device for lithography apparatus relates to printing roller cooling device technical field, has solved and has printed roller cooling device printing roller inside and be used for the wind channel of circulation of air in and mostly lack the lacquer subassembly that keeps off, causes the problem of inconvenient clearance in the easy drippage infiltration wind channel of printing paint. The printing roller cooling device for the printing equipment comprises a printing roller, wherein a circle of radiating pipe is arranged on the inner wall of the circumference of the printing roller in a surrounding and embedding manner, two circles of L-shaped water distribution pipes are welded at the front end and the rear end of the circle of radiating pipe in a surrounding manner, and two rotating shafts are symmetrically welded at the centers of the two circles of L-shaped water distribution pipes; the two rotating shafts are hollow, the two circles of L-shaped water distribution pipes are communicated with the insides of the two rotating shafts, and the outer sections of the two rotating shafts are rotatably provided with a water inlet pipe. The utility model discloses, two retaining rings can block the printing paint in the two department lacquer ring of infiltration drips infiltration through its slope conical surface, avoid two department to keep off the inside long-pending lacquer of lacquer ring, and is clean inconvenient.

Description

Based on printing roller cooling device for lithography apparatus

Technical Field

The utility model relates to a printing roller cooling device technical field specifically is based on printing roller cooling device for lithography apparatus.

Background

The printing machine is a machine for printing characters and images, the modern printing machine generally comprises mechanisms such as plate loading, inking, stamping, paper conveying (including folding) and the like, a printing roller is widely applied to production lines such as gravure printing, coating, papermaking, textile and the like, the printing roller needs to be cooled, the main function of the cooling required for printing is to cool materials with higher temperature so as to enable the materials to reach proper temperature, and the main function of the cooling roller in the printing process is to cool and flatten a material film. Present high-speed gravure press's speed has been up to 300m/min, under such high printing speed, must use drying device to make printing ink dry rapidly and reach reasonable printability, material membrane after the drying has higher temperature, because material membrane thermal stretching after high temperature is obvious, so if material membrane does not resume normal state before getting into next printing, then produce the inaccurate and surface wrinkling scheduling problem of overprint easily, seriously influence the quality of printed matter, consequently, need implement the cooling to the printing roller, current printing roller cooling device is last mostly to lack the supplementary radiator unit who implements air convection, cause the cooling that the air mostly can not circulate supplementary printing roller in the inside space of printing roller, be unfavorable for promoting the cooling effect of printing roller, and the inside wind channel that is used for the circulation of air of printing roller mostly lacks the paint blocking component, cause the problem of the inconvenient clearance in the easy drippage infiltration wind channel of printing paint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a based on printing roller cooling device for lithography apparatus to propose in solving above-mentioned background art and mostly lack the supplementary radiator unit who implements the air convection, cause the cooling that the air can mostly not circulate the supplementary printing roller in the inside space of printing roller, be unfavorable for promoting the cooling effect of printing roller, and printing roller is inside to be arranged in the wind channel of circulation of air and mostly lacks the lacquer subassembly that keeps off, cause the problem of inconvenient clearance in the easy drippage infiltration wind channel of printing paint.

In order to achieve the above purpose, the utility model provides a following technical scheme: the printing roller cooling device for the printing equipment comprises a printing roller, wherein a circle of radiating pipe is arranged on the inner wall of the circumference of the printing roller in a surrounding and embedding mode, two circles of L-shaped water distribution pipes are welded around the front end and the rear end of the circle of radiating pipe, and two rotating shafts are symmetrically welded at the centers of the two circles of L-shaped water distribution pipes; the two rotating shafts are hollow, two circles of L-shaped water distribution pipes are communicated with the insides of the two rotating shafts, and the outer sections of the two rotating shafts are rotatably provided with a water inlet pipe; the two rotating shafts are in running and rotating fit with the mounting rack of the printing roller; two paint blocking rings are welded between the tail end sections of the two circles of L-shaped water distribution pipes and are welded and fixed with the front end and the rear end of the printing roller; two the inside retaining ring that all welds of head end opening that keeps off the lacquer ring, and the cross-section of retaining ring is the triangle structure, and two keep off the lacquer ring and can shelter from the both ends opening of printing roller, avoid the inside long-pending lacquer of printing roller, clean inconvenient, two retaining rings can block the printing paint that the drip infiltration of discharging two places kept off in the lacquer ring through its slope conical surface, avoid two to keep off the inside long-pending lacquer of lacquer ring, clean inconvenient.

Preferably, the tail ends of the two rotating shafts are respectively welded with an impeller for cutting air, and the two impellers rotate to be positioned in the inner space of the two circles of L-shaped water distribution pipes.

Preferably, the two impellers are close to and opposite to the openings at the head ends of the two paint blocking rings, the two water inlet pipes are connected to an external cooling water circulating pump, the left impeller is used for sucking external air into the printing roller, the right impeller is used for sucking air flow in the printing roller, air convection is formed in the printing roller, a circle of radiating pipes and the printing roller are subjected to auxiliary heat dissipation, and the cooling effect on the printing roller is improved; and the two circles of L-shaped water distribution pipes are correspondingly communicated with the head end and the tail end of the circle of radiating pipe.

Preferably, the two impellers are formed by welding six obliquely deflected blades in a surrounding manner, and the inclination directions of the blades on the two impellers are correspondingly opposite.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, the left impeller is used for sucking external air into the printing roller, and the right impeller is used for sucking air flow out of the printing roller, so that air convection is formed in the printing roller, and a circle of radiating tubes and the printing roller are subjected to auxiliary heat radiation, thereby being beneficial to improving the cooling effect of the printing roller;

2. in the utility model, the two impellers synchronously move along with the printing roller, and the rotation driving force of the printing roller can be directly utilized to drive and drive, thus saving extra driving motors matched with the two printing rollers and reducing the manufacturing cost and power consumption of the cooling device of the printing roller;

3. the utility model discloses, two department keep off the lacquer ring and can shelter from the both ends opening of printing roller, avoid the inside long-pending lacquer of printing roller, clean inconvenient, two retaining rings can block the printing paint that two departments keep off in the lacquer ring of the infiltration of discharging dripping through its slope conical surface, avoid two departments to keep off the inside long-pending lacquer of lacquer ring, clean inconvenient.

Drawings

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

FIG. 2 is a schematic view of the L-shaped water diversion pipe of the present invention;

FIG. 3 is a schematic view of the internal structure of the printing roller of the present invention;

FIG. 4 is a schematic view of the inner structure of the paint barrier ring of the present invention;

fig. 5 is a schematic view of the retainer ring of the present invention.

In the figure: 1. a printing roller; 101. a radiating pipe; 2. an L-shaped water distribution pipe; 3. a rotating shaft; 301. a water inlet pipe; 302. an impeller; 4. a paint blocking ring; 401. and a retainer ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides an embodiment of: the printing roller cooling device for the printing equipment comprises a printing roller 1, wherein a circle of radiating pipe 101 is installed on the circumferential inner wall of the printing roller 1 in a surrounding and embedding mode, two circles of L-shaped water distribution pipes 2 are welded around the front end and the rear end of the circle of radiating pipe 101, and two rotating shafts 3 are symmetrically welded at the center of the two circles of L-shaped water distribution pipes 2; the two rotating shafts 3 are hollow, the two circles of L-shaped water distribution pipes 2 are communicated with the insides of the two rotating shafts 3, and the outer sections of the two rotating shafts 3 are rotatably provided with a water inlet pipe 301; the two rotating shafts 3 are in running and rotating fit with the mounting rack of the printing roller; two paint blocking rings 4 are welded between the tail end sections of the two circles of L-shaped water distribution pipes 2, and the two paint blocking rings 4 are welded and fixed with the front end and the rear end of the printing roller 1; the two circles of L-shaped water distribution pipes 2 are correspondingly communicated with the head end and the tail end of the circle of radiating pipe 101.

Further, the tail end of two pivot 3 all welds the impeller 302 of a department cutting air, and two impeller 302 rotate and lie in the inner space of two circles L form distributive pipe 2, left impeller 302 is arranged in getting into printing roller 1 with the air suction of outside inside, and the impeller 302 on right side is used for taking out the air current of printing roller 1 inside, makes the inside air convection that forms of printing roller 1, carries out supplementary heat dissipation to round cooling tube 101 and printing roller 1, helps promoting the cooling effect to printing roller 1.

Further, two impeller 302 and two keep off the head end opening of lacquer ring 4 and press close to just right, and two inlet tube 301 insert external cooling water circulating pump, and two impeller 302 follow printing roller 1 synchronous motion together, can directly utilize the rotary driving power drive of printing roller 1 to order about, and this saves additionally for the 1 supporting CD-ROM drive motor of two printing rollers, has reduced the cost and the consumption of 1 cooling device of printing roller.

Further, the first end opening of two positions of keeping off lacquer ring 4 is inside all to be welded one position retaining ring 401, and the cross-section of retaining ring 401 is the triangle-shaped structure, and two positions keep off lacquer ring 4 and can shelter from the both ends opening of printing roller 1, avoid the inside long-pending lacquer of printing roller 1, and is clean inconvenient, and two positions retaining ring 401 can block the printing paint that the infiltration of dripping two positions kept off in lacquer ring 4 through its slope conical surface, avoids two positions to keep off the inside long-pending lacquer of lacquer ring 4, and is clean inconvenient.

Further, the two impellers 302 are formed by welding six obliquely deflected blades in a surrounding manner, the inclination directions of the blades on the two impellers 302 are correspondingly opposite, and the two impellers 302 are used in a suction and suction matching manner, so that air convection is formed inside the printing roller 1 to dissipate heat.

The working principle is as follows: when the device is used, cooling circulating water is pumped and guided by an external cooling water pump to circulate inside the printing roller 1 and cool the printing roller 1 sequentially through the left water inlet pipe 301, the left rotating shaft 3, the left circle of L-shaped water distribution pipe 2, the left circle of radiating pipe 101, the right water inlet pipe 301, the right rotating shaft 3 and the right circle of L-shaped water distribution pipe 2, and the printing roller 1 can drive the two impellers 302 to rotate together during rotary rolling printing, wherein the left impeller 302 is used for pumping external air into the printing roller 1, and the right impeller 302 is used for pumping air inside the printing roller 1, so that air convection is formed inside the printing roller 1, the one circle of radiating pipe 101 and the printing roller 1 are subjected to auxiliary heat dissipation, the cooling effect on the printing roller 1 is favorably improved, the two impellers 302 synchronously move along with the printing roller 1, the rotary driving force of the printing roller 1 can be directly utilized to drive the printing roller 1, an additional driving motor for driving the two printing rollers 1 is omitted, the manufacturing cost and the power consumption of a cooling device of the printing roller 1 are reduced, in addition, two paint blocking rings 4 can block openings at two ends of the printing roller 1, the inner part of the printing roller, and two paint blocking rings which the paint is inconvenient to be drained and the paint can be prevented from leaking and the two paint can be prevented from two inclined paint blocking rings 401.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. Based on printing roller cooling device for lithography apparatus, its characterized in that: the printing roller cooling device comprises a printing roller (1), wherein a circle of radiating pipe (101) is installed on the inner wall of the circumference of the printing roller (1) in a surrounding and embedding mode, two circles of L-shaped water distribution pipes (2) are welded at the front end and the rear end of the circle of radiating pipe (101) in a surrounding mode, and two rotating shafts (3) are symmetrically welded at the center of the two circles of L-shaped water distribution pipes (2); the two rotating shafts (3) are hollow, the two circles of L-shaped water distribution pipes (2) are communicated with the insides of the two rotating shafts (3), and the outer sections of the two rotating shafts (3) are rotatably provided with a water inlet pipe (301); the two rotating shafts (3) are in running fit with the mounting rack of the printing roller; two paint blocking rings (4) are welded between the tail end sections of the L-shaped water distribution pipes (2), and the two paint blocking rings (4) are welded and fixed with the front end and the rear end of the printing roller (1).

2. The apparatus of claim 1, wherein: the tail ends of the two rotating shafts (3) are respectively welded with an impeller (302) for cutting air, and the two impellers (302) are rotatably positioned in the inner space of the two circles of L-shaped water distribution pipes (2).

3. The apparatus of claim 2, wherein: the two impellers (302) are close to and opposite to the openings at the head ends of the two paint blocking rings (4), and the two water inlet pipes (301) are connected with an external cooling water circulating pump.

4. The apparatus of claim 1, wherein: two the inside all welding of head end opening of keeping off lacquer ring (4) has a department retaining ring (401), and the cross-section of retaining ring (401) is the triangle-shaped structure.

5. The apparatus of claim 1, wherein the cooling unit comprises: two circles of L-shaped water distribution pipes (2) are correspondingly communicated with the head end and the tail end of a circle of radiating pipe (101).

6. The apparatus of claim 2, wherein: the two impellers (302) are formed by welding six inclined and deflected blades in a surrounding manner, and the inclination directions of the blades on the two impellers (302) are correspondingly opposite.

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