CN111571332A

CN111571332A - Polishing equipment and process for concave pit anilox roller

Info

Publication number: CN111571332A
Application number: CN201910121459.XA
Authority: CN
Inventors: 向明强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-19
Filing date: 2019-02-19
Publication date: 2020-08-25

Abstract

The invention relates to the technical field of printing equipment, in particular to polishing equipment and a polishing process for a pit anilox roller. The invention provides polishing equipment for a pit anilox roller, which comprises mechanical parts, a control system for realizing automation, a pneumatic part, an oil-water-gas pipeline, an ultrasonic device and an electric element, wherein the mechanical parts, the control system, the pneumatic part, the oil-water-gas pipeline, the ultrasonic device and the electric element are connected with one another. The invention can polish the reticulate pattern roller body and carry out comprehensive cleaning in various modes. The invention polishes on various printing rollers, change the polishing trace, can facilitate the quick replacement of the fineness of the abrasive paper, improve the surface finish and polishing effect of the printing roller, can not leave residues on the printing roller, and improve the service life of the reticulate roller body; the printing, transferring and coating effects are improved. For the used printing roller, after polishing again, the transfer rate of the transferred objects in the mesh pits is improved, so that the stereoscopic impression of the transferred objects is more complete; the service life of the scraper, the extrusion roller and the roller body is prolonged. The invention has good effect of treating various washing liquids and meets the requirement of environmental protection.

Description

Polishing equipment and process for concave pit anilox roller

Technical Field

The invention belongs to the technical field of printing equipment, and particularly relates to polishing equipment and a polishing process for a pit anilox roller.

Background

Gravure printing is one of the basic printing methods. The printing intaglio printing is called intaglio printing for short, and is one of four printing modes. When printing, the ink is filled into the pits, the ink on the surface of the printing plate is scraped by the doctor blade, and the printing plate is in certain pressure contact with the printing stock to transfer the ink in the pits to the printing stock to finish printing. Intaglio printing is one of printing processes, and the advantages of thick ink layer, bright color, high saturation, high printing plate printing resistance, stable quality of printed products, high printing speed and the like of the intaglio printing occupy an extremely important position in the fields of printing packaging, printing and dyeing and graphic publishing. Gravure printing applied in China is mainly used for flexible packaging printing, and has also been widely applied to plastic flexible packaging, wood grain decorative paper, leather materials, medicine packaging and metal printing along with the development of the domestic gravure technology.

However, the conventional gravure printing has some unsolved problems, such as the inability to simultaneously perform a plurality of types of integrated cleaning of a plate roll in gravure printing, a coating roll in post-printing process, a glue roll, a ceramic roll, and the like. Due to the abrasion of the edge of the scraper or the defects in the roller-making polishing process, the surface of the plate roller is not polished finely enough; or the polishing trace is overlapped with the scraping direction trace of the doctor blade.

At present, in the process of cleaning coating rollers, sizing rollers and special gravure plates at home and abroad in China, the adopted cleaning mode is single, multiple combination modes cannot be adopted in one device or cleaning process, and the problems are as follows: the single cleaning mode is difficult to determine the condensate or residue in the deep part of the mesh pit or at the corner part of the bottom; the problem of incomplete single cleaning still exists in the past; the anilox roller can only be deplated or scrapped, so that the cost is high; in the long-time use process, residual substances in the mesh pits can not be thoroughly cleaned, so that the mesh pits are difficult to clean after being dried and solidified, the abrasion of a printing roller, a coating roller and a sizing roller is large, and even the mesh pits can be scrapped in advance, and the waste liquid treatment still does not meet various problems of environmental protection requirements and the like.

Disclosure of Invention

In order to solve the technical problems, the polishing equipment and the polishing process for the pit anilox roller provided by the invention can be used for combining the cleaning processes according to the characteristics of residual substances by using the equipment and the cleaning process, so that the aim of thorough cleaning is fulfilled, the cleaning time is saved, and the product scrappage caused by incomplete cleaning is reduced. The invention also realizes the comprehensive cleaning treatment in various modes, and the polishing treatment equipment and the polishing treatment process for the anilox roller body are arranged, so that the cleaned anilox roller body can not leave residues on the plate anilox roller body, and the service life of the anilox roller body is prolonged; it has still improved the efficiency and the effect to various immersion fluid waste liquid treatments through the negative pressure device who sets up, has reached the requirement of environmental protection.

In order to achieve the above purpose, the invention provides a polishing device for a dimpled anilox roller, which comprises a mechanical component, a control system for realizing automation, a hydraulic component, a pneumatic component, an oil-water-gas pipeline, an ultrasonic device and an electric element which are connected with each other, the polishing equipment comprises a liquid immersion tank arranged on the lower side of the frame, a liquid return pipeline and a lifting mechanism are arranged at the bottom of the liquid immersion tank, the upper part of the immersion liquid tank is provided with a liquid supply pipeline which is respectively connected with the ultrasonic washing liquid tank, the water tank, the oil tank, the ethanol tank and the solution tank, a liquid supply pump is arranged on the liquid supply pipeline, a liquid return valve is arranged on the liquid return pipeline and is communicated with the distillation retort, a steam outflow pipe is arranged at the position, higher than the liquid level, of the distillation tank and communicated with a cooling tank, and the cooling tank is respectively communicated with the ultrasonic washing tank, the water tank, the oil tank, the ethanol tank and the top of the solution tank through a shunt pipe, so that the environment-friendly recovery of immersion liquid and the liquid supply to the immersion liquid tank are realized; the immersion tank is characterized in that a first hydraulic cylinder and a second motor are respectively arranged on the rack on two sides of the immersion tank, the first hydraulic cylinder is arranged on a first hydraulic cylinder support, a clamp for clamping the reticulate roller body is arranged at the end position, a second lead screw on the second motor is connected with an electric clamping device, the clamp for clamping the reticulate roller body is arranged at the end position of the electric clamping device, a polishing head, a spraying part and a blowing part are respectively arranged on the upper side of the reticulate roller body, the polishing head is fixedly connected on a motor shaft of the first motor, polishing abrasive paper or a metal brush is arranged on the lower side of the polishing head, a lifting platform for lifting the polishing head is arranged on the motor shaft, the lifting platform is fixedly connected on a synchronous belt to realize synchronous movement with the reticulate roller body through a moving block, the synchronous belt is fixedly connected on the rack through a belt base, and a first lead screw connected through a lead screw, the first lead screw is provided with a first spray head for spraying oil, a second spray head for spraying solution, a third spray head for spraying water and a fourth spray head for blowing air, the first spray head and the second spray head are arranged on the spraying part, the third spray head and the fourth spray head are arranged on the blowing part, and the spraying part and the blowing part are symmetrically arranged.

According to the preferable technical scheme, the bristles of the metal brush are made of steel wires or copper wires.

According to the preferable technical scheme, valves are respectively arranged on the shunt tubes and communicated with the ultrasonic washing liquid tank, the water tank, the oil tank, the ethanol tank and the solution tank.

According to the preferred technical scheme, the distillation tank comprises an upper cover and a tank body which are hermetically connected with each other, a safety valve is arranged at the top of the upper cover, an inner cavity is formed in the side wall of the tank body, an electric heating pipe for heating heat conduction oil and a thermocouple for measuring and controlling temperature are arranged in the inner cavity, a limit sensor for limiting the liquid level is arranged on the side wall of the distillation tank, a waste liquid inlet is formed in the bottom of the tank body, and the waste liquid inlet is horizontally arranged or obliquely arranged upwards.

According to the preferable technical scheme, an air pump is arranged on the liquid return pipeline and used for blowing the waste liquid in the distillation tank to roll the waste liquid to accelerate distillation.

According to the preferable technical scheme, a cooling inner cavity is arranged inside a tank body of the cooling tank, a coil pipe is arranged in the cooling inner cavity, cold water is filled in the cooling inner cavity for condensation, an inflow port of the coil pipe is connected with a steam outflow pipe, an outflow port of the coil pipe is connected with a shunt pipe with a vacuum pump arranged outside, and the cooling inner cavity is communicated with a cooling circulation pipeline of a refrigerator for refrigeration.

In the preferable technical scheme, the upward inclined angle of the waste liquid inlet ranges from 30 degrees to 65 degrees.

According to the preferable technical scheme, a third hydraulic cylinder fixedly connected with the rack is arranged on the lower side of the reticulate pattern roller body, and a third hydraulic rod on the third hydraulic cylinder moves back and forth to drive a containing groove made of a soft material to contain sundries coming from a polishing head;

the utility model discloses a roll table, including reticulation roll body, frame, handle, pedestal, digital camera, reticulation roll body upside be equipped with frame fixed connection's second hydraulic cylinder, the end position cover that the second hydraulic cylinder carries out the second hydraulic cylinder of oscilaltion motion is equipped with the pedestal, handle on the pedestal can rotate and carry out planar angular adjustment, be equipped with the digital camera through coiled pipe fixed connection on the pedestal, the digital camera is connected and carries out data transmission through the PLC machine with the display screen electricity on the control cabinet.

The present invention also provides a process of a polishing apparatus using a dimpled anilox roller, the process comprising the steps of:

step 1: setting parameters of the polishing equipment by using a human-computer interface of a PLC (programmable logic controller), and clamping the reticulate pattern roller body by using a first hydraulic oil cylinder and a clamp on an electric clamping device;

step 2: lifting the immersion tank by using a lifting mechanism, immersing the reticulate pattern roller body part into the immersion tank, closing a buckle cover of the immersion tank to seal the reticulate pattern roller body, and starting a second motor to rotate the reticulate pattern roller body for cleaning; after cleaning for 1-10 minutes, the immersion tank is lowered by using a lifting mechanism, then the reticulate pattern roller body is cleaned by using a spray head, and the reticulate pattern roller body is dried by using a blowing part after cleaning;

step 3) after the reticulate pattern roller body is dried, the polishing head is descended by using the lifting platform, the polishing head and the reticulate pattern roller body are tightly pressed, the hydraulic cylinder is started to enable the hydraulic rod to extend out, the hydraulic rod drives the accommodating groove to move to the lower side of the reticulate pattern roller body to contain polished sundries, the first motor and the second motor are started to simultaneously rotate to polish the reticulate pattern roller body, double-C-shaped patterns are formed, the polishing time is set according to the depth of a mesh pit on the surface of the reticulate pattern roller body, and the first motor is turned off after the polishing is qualified;

step 4) opening the spray head, carrying out secondary cleaning on the reticulate pattern roller body by using a solvent or a solution to wash away residual impurities, and carrying out secondary blow-drying on the reticulate pattern roller body by using the spray head on the blowing part;

step 5) opening the injection part to perform protection oil injection treatment on the dried reticulate pattern roller body, and after the protection oil treatment is qualified, coating the reticulate pattern roller body by using a manipulator, and then packaging corrugated paper for the roller body and warehousing;

step 6) performing environment-friendly treatment on the waste liquid in the immersion liquid tank, opening a valve on a liquid return pipeline to enable immersion liquid to enter a distillation tank for distillation treatment, opening a negative pressure air pump to enable the immersion liquid in the distillation tank to roll, enabling the immersion liquid after distillation treatment to flow into a cooling tank through a vapor outflow pipe, and performing condensation treatment;

and 7) opening different valves to respectively guide the immersion liquid subjected to the condensation treatment in the step 6 into the ultrasonic liquid washing barrel, the water barrel, the oil barrel, the ethanol barrel and the solution barrel according to the type of the immersion liquid, then opening a liquid supply pump on a liquid supply return pipeline, and respectively supplying liquid to an immersion liquid groove according to the type of the immersion liquid required to be used.

According to the preferable technical scheme, the pressure ranges for the polishing head and the reticulate pattern roller body to be compressed in the step 3) of the process are respectively as follows: the high pressure is in the range of 0.4-0.6 MPa, the medium pressure is in the range of 0.2-0.4 MPa, and the low pressure is less than 0.1 MPa.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention can comprehensively clean a printing roller, a coating roller, a ceramic roller or a sizing roller and the like in gravure printing in various modes;

2. the polishing device polishes various printing rollers, has good effect, does not leave residues on the pit anilox roller, and prolongs the service life of the pit anilox roller;

3. the invention carries out environment-friendly treatment on various immersion liquids, has good effect and meets the requirement of environment protection.

Drawings

FIG. 1 is a front view of the structure of a polishing device for a dimpled anilox roller according to the present invention;

FIG. 2 is a side view of the structure of FIG. 1;

FIG. 3 is another block diagram of FIG. 2;

FIG. 4 is a view showing the internal structure of the distillation tank and the cooling tank of FIG. 1;

FIG. 5 another internal structure view of the distillation tank and the cooling tank in FIG. 1

FIG. 6 is a schematic view of a prior art anilox roll operating condition;

FIG. 7 is a schematic view of the working state of a prior art calender roll and a doctor blade;

FIG. 8 is a schematic diagram illustrating the effect of the C-shaped pattern polishing principle in the present invention;

FIG. 9 is a schematic illustration of the effect of the calender rolls and doctor blades of FIGS. 6 and 7;

FIG. 10 is a schematic view showing the effect of the principle of polishing the thread of the present invention.

Reference numerals

In the figure, 1 — lifting mechanism; 2-a leaching solution tank; 3, a reticulate pattern roller body; 4-polishing sand paper, 41-metal brush; 5, polishing head; 6-motor shaft; 7, a lifting platform; 8-a first motor; 9-injection section, 91-injection section, 92-second head, 93-third head, 94-fourth head; 10-a first lead screw; 11-a blowing part; 12-film roll; 13-a frame, 131-a handle, 1311-a seat body, 1312-a coiled pipe, 1313-a second hydraulic rod, 1314-a second hydraulic cylinder, 132-a digital camera, 133-a display screen, 134-a containing groove, 135-a third hydraulic rod, 136-a third hydraulic cylinder; 14-liquid return pipeline, 141-air pump; 15-distillation retort, 151-waste liquid inlet, 152-inner chamber of retort, 153-pot body, 154-liquid level sensor, 155-thermocouple, 156-upper cover, 157-safety valve, 158-steam outflow pipe, 159-electrothermal pipe; 16-cooling tank, 161-coil, 162-tank, 163-cooling cavity, 164-refrigerator; 17-a valve; 18-a shunt tube; 19-ultrasonic liquid washing tank; 20-a water tank; 21-an oil tank; 22-ethanol tank; 23-solution tank; 24-a vacuum pump; 25-a liquid supply pump; 26-liquid return valve; 27-liquid supply and return line; 28-a first hydraulic cylinder; 29-a first hydraulic cylinder support; 30-a screw seat; 31-with seat body; 32-a synchronous belt, 33-a moving block, 34-an electric clamping device, 35-a second motor, 36-a second lead screw and 37-a fixture; a1 raw material liquid, A2 coating roller, A3 press roller, A4 material, A5 dosage roller; b1 printing material, B2 rubber-covered roll, B3 scraper, B4 anilox roll and B5 glue solution; c1-first C-ridge, C2-second C-ridge, C3-residue, C4-first intersection, C5-second intersection, C6-third intersection, C7-fourth intersection, C8-fifth intersection; e1-first texture, E2-second texture, E3-third texture; f1-first straight line scratch, F2-second straight line scratch, F3-residue, F4-first intersection, F5-scratch, F6-second intersection.

Detailed Description

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Example 1

As shown in fig. 1-2, the polishing apparatus for a pit anilox roller provided by the present invention comprises a mechanical component, a control system for realizing automation, a hydraulic device, a pneumatic component, an oil-water-gas pipeline, an ultrasonic cleaning device and an electrical component, wherein the motor is a servo motor, and the control system is provided with a PLC machine having a touch screen and a human-computer interface. Wherein, still be equipped with spray set and immersion fluid device, ultrasonic cleaning device utilizes the sound wave oscillation mode to break away from the residue of reticulation pit or pit on reticulation roll body 3. In this embodiment, the anilox roll body 3 is a gravure roll, an anilox coating roll, an anilox ceramic roll or an anilox sizing roll. Wherein, the spray device uses water, solvent or solution to clean the reticulate pattern roller body 3, and the immersion device uses ethyl acetate, ethanol and/or solution to clean the mixture. In this embodiment, the specific structure of the polishing apparatus includes the immersion liquid tank 2 disposed on the lower side of the frame 13 and the hydraulic cylinder 136 disposed on the frame 13, and the hydraulic rod 135 on the hydraulic cylinder 136 drives the accommodating tank 134 made of soft material to reciprocate under the anilox roller 3. Wherein, the immersion tank 2 is made of stainless steel materials, the length range of the immersion tank 2 is 600mm-1600mm, the width range is 300mm-800mm, the depth range is 150mm-300mm, the diameter of the reticulate pattern roller body 3 is 150mm-300mm, and the size of the structure of the immersion tank 2 and the size of the structure of the reticulate pattern roller body 3 are correspondingly matched with each other. Wherein, the immersion tank 2 is used for containing cleaning liquid and residues after cleaning. In this embodiment, the bottom of the immersion tank 2 is provided with the liquid return pipeline 14 and the lifting mechanism 1, the upper part of the immersion tank 2 is provided with the liquid supply pipeline 27 which is respectively connected with the ultrasonic washing liquid tank 19, the water tank 20, the oil tank 21, the ethanol tank 22 and the solution tank 23, the liquid supply pump 25 is arranged on the liquid supply pipeline 27, and when the liquid supply pump 25 is opened, qualified immersion liquid can be provided for the ultrasonic washing liquid tank 19, the water tank 20, the oil tank 21, the ethanol tank 22 and the solution tank 23; the liquid return pipeline 14 is provided with a liquid return valve 26 and is communicated with the distillation tank 15, the distillation tank 15 is provided with a vapor flow outlet pipe 158 at a position higher than the liquid level, the vapor flow outlet pipe 158 is communicated with the cooling tank 16, and the shunt pipe 18 is respectively provided with a valve 17 and is communicated with the ultrasonic cleaning liquid tank 19, the water tank 20, the oil tank 21, the ethanol tank 22 and the solution tank 23. Wherein, the cooling tank 16 is respectively communicated with the tops of the ultrasonic cleaning solution tank 19, the water tank 20, the oil tank 21, the ethanol tank 22 and the solution tank 23 through a shunt pipe 18, and is used for realizing the environment-friendly recovery of immersion solution and supplying immersion solution for the immersion solution tank 2; the two sides of the immersion liquid tank 2 are respectively provided with a first hydraulic oil cylinder 28 and a second motor 35 on the rack 13, the first hydraulic oil cylinder 28 is arranged on the first hydraulic oil cylinder bracket 29, a clamping apparatus 37 used for clamping the reticulate pattern roller body 3 is arranged at the end position, a second lead screw 36 on the second motor 35 is connected with an electric clamping apparatus 34, the clamping apparatus 37 used for clamping the reticulate pattern roller body 3 is arranged at the end position of the electric clamping apparatus 34, and the upper side of the reticulate pattern roller body 3 is respectively provided with a polishing head 5, an injection part 9 and a blowing part 11. The polishing head 5 is fixedly connected to a motor shaft 6 of the first motor 8, the polishing sand paper 4 is arranged on the lower side of the polishing head 5, the rotating speed of the first motor 8 is consistent with that of the polishing head 5, the low rotating speed range of the first motor 8 is 1000 revolutions, the medium rotating speed range is 1000 revolutions and 2000 revolutions, and the high speed range is more than 2000 revolutions. Wherein, the linear stroke moving speed of the polishing head 5 is divided into three grades, the low-grade linear stroke moving speed is 50-500 mm/min, the middle-grade linear stroke moving speed is 500-1000 mm/min, and the high-grade linear stroke moving speed is more than 1000 mm/min. A third hydraulic cylinder 136 fixedly connected with the frame 13 is arranged on the lower side of the reticulate pattern roller body 3, and a third hydraulic rod 135 on the third hydraulic cylinder 136 moves back and forth to drive a receiving groove 134 made of a soft material to receive sundries coming from the polishing head 5 after polishing; wherein, the upper side of the reticulation roller body 3 is provided with a second hydraulic cylinder 1314 fixedly connected with the frame 13, the end position of a second hydraulic rod 1313 of the second hydraulic cylinder 1314 used for up-and-down movement is sleeved with a base 1311, a handle 131 on the base 1311 is rotated to perform planar angle adjustment, the base 1311 is provided with a digital camera 132 fixedly connected with a coiled pipe 1312, the coiled pipe 1312 can adjust the digital camera 132 at any angle position in a short distance, the digital camera 132 is electrically connected with the display screen 133 on the console and performs data transmission through a PLC machine, so that a user can conveniently judge whether the operation meets the process requirements.

Preferably, in another structure, as shown in fig. 3, a metal brush 41 may be further provided on the lower side of the polishing head 5 to replace the sand paper 4 for polishing and cleaning the mesh roller 3, wherein the metal brush 41 is made of steel wire or copper wire or is used for quickly replacing sand paper with different thicknesses. Wherein, be equipped with the elevating platform 7 that is used for going up and down the polishing head 5 on the motor shaft 6, elevating platform 7 rigid coupling realizes on the hold-in range 32 through the movable block 33 with reticulation roller body 3 pivoted simultaneous movement, hold-in range 32 is on frame 13 through taking pedestal 31 rigid coupling, the upside of immersion liquid groove 2 is equipped with the first lead screw 10 of connecting through lead screw seat 30, be equipped with the first shower nozzle 91 that is used for the oil spout on the first lead screw 10 respectively, the second shower nozzle 92 that is used for spouting solution, the third shower nozzle 93 that is used for the water spout and the fourth shower nozzle 94 that is used for blowing, first shower nozzle 91 and second shower nozzle 92 set up on injection portion 9, third shower nozzle 93 and fourth shower nozzle 94 set up on blowing portion 11, injection portion 9 and blowing portion 11 adopt symmetrical structure setting.

As shown in fig. 4, the distillation tank 15 includes an upper cover 156 and a tank 153 hermetically connected to each other, a safety valve 157 is disposed on the top of the upper cover 156, an inner cavity is disposed on the sidewall of the tank 153, an electric heating tube 159 for heating heat transfer oil and a thermocouple 155 for measuring and controlling temperature are disposed inside the inner cavity, a limit sensor 154 for limiting liquid level is disposed on the sidewall of the distillation tank 15, when a liquid full signal sensed by the limit sensor 154 reaches an upper limit of a liquid level limit, the limit sensor 154 transmits the signal to a PLC machine, and the PLC machine closes a valve on the liquid inlet tube to prevent continuous infusion; when the limit sensor 154 senses that the full liquid signal is lower than the upper limit of the liquid level limit, the limit sensor 154 transmits the signal to the PLC machine, and the PLC machine keeps a valve on the liquid inlet pipe in an open state and continuously performs a working state of distillation purification; jar body 153 bottom is equipped with waste liquid import 151, and waste liquid import 151 sets up the structure of tilt up, and waste liquid import 151 tilt up's structure can remain jar body 153 bottom all the time with the residue in the waste liquid, and when the residue reached a certain quantity, open upper cover 156 and clear away the residue in the waste liquid again. In a preferred structure, the angle of the upward-inclined structure of the waste liquid inlet 151 is in the range of 30 ° to 65 °, and the angle of the upward-inclined structure is 30 °, 45 °, 55 °, 60 ° or 65 °. In this embodiment, the angle of the upward inclined structure of the waste liquid inlet 151 is preferably 60 °.

As shown in FIG. 5, another technical solution of the preferred structure is that a waste liquid inlet 151 is formed at the bottom of the tank 153, the waste liquid inlet 151 is horizontally arranged, the waste liquid inlet 151 is higher than the height of the residue in the waste liquid, and when the residue reaches a certain amount, the upper cover 156 is opened to clean the residue in the waste liquid.

In the preferred structure of this embodiment, the liquid return pipeline 14 is further preferably provided with an air pump 141, air is blown into the distillation retort 15 through the air pump 141, the waste liquid is subjected to air blowing treatment, and the liquid to be distilled is blown into a rolling state, so that the distillation efficiency and quality are improved, the distillation under negative pressure is realized, the low-energy distillation, the high-efficiency and explosion-proof distillation are realized, and the purposes of energy saving and safe distillation are achieved.

As shown in fig. 4, the specific structure of the cooling tank 16 includes: a cooling inner cavity 163 is arranged in a tank body 162 in the cooling tank 16, cooling water is filled in the cooling inner cavity 163 for condensation, a coil 161 is arranged in the cooling inner cavity 163, an inflow port of the coil 161 is connected with a steam outflow pipe 158, an inflow port of the coil 161 is connected with a shunt pipe 18 of which the outside is provided with a vacuum pump 24, the cooling inner cavity 163 is communicated with a cooling circulation pipeline of a refrigerator 164 for refrigeration and heat exchange, the vacuum pump 24 can smoothly realize negative pressure distillation, and the effects of low-energy distillation and high-efficiency distillation are achieved.

As shown in fig. 1, in the preferred technical solution of this embodiment, a digital camera 132 is disposed on the frame 13, the digital camera 132 is disposed on the frame 13 through an expansion bracket 131, and the expansion bracket 131 is expandable and positionable to check whether the anilox roller 3 is cleaned or not, and to check whether the mesh pit quality is qualified or not. In order to reach the clean purpose of inspection reticulation roll body 3 washing, be equipped with display screen 133 on the control cabinet 133 in this equipment, display screen 133 sets up the next door at the human-computer interface touch screen of PLC machine, and display screen 133 is connected in order to carry out data transmission with digital camera 132 electricity, and the effect of the polishing of high-definition display reticulation roll body 3 realizes being convenient for observe the purpose.

At present, in the printing industry at home and abroad in China, products made by each enterprise or production processes are different, such as gravure printing of printing and dyeing, paper printing, iron printing, flexible packaging films and the like. After gravure printing, the processes of coating, sizing, dip dyeing, lustering and the like required by the later process all relate to the gravure, for example, a coating roller, a sizing roller, including a ceramic roller and the like are all the process contents of a pit type anilox roller, and all the used printing rollers are the same type. In the using and production process, different blocking conditions can be generated, and the cleaning process is designed in a diversified combined cleaning combined process. According to the polishing equipment for the pit anilox roller, disclosed by the invention, in the automatic programming process of a PLC (programmable logic controller), A, B, C, D combined cleaning modes are respectively classified and designed according to different process products of enterprises, so that the blockage of a pit caused by various processes, materials and materials is effectively cleaned. The invention mainly divides the cleaning process into A, B, C, D four types of combined cleaning, in the four types of cleaning processes, the ultrasonic wave first-step cleaning can not be separated, and the combined cleaning process is used at the same time, the process is characterized in that the materials used in the processes of printing, coating, gluing and the like of different types are different, the ultrasonic wave cleaning solution needs special configuration, for example, solvent type printing or coating, and the solvent is used as a main material to configure the ultrasonic wave cleaning solution. In addition, when a water-soluble ink or a water-soluble adhesive is used, a body-formulated washing liquid having affinity for water is used when an ultrasonic washing liquid is prepared. The ultrasonic washing liquid is prepared by a method which is different for each process.

The specific cleaning combination process is divided into the following four types:

a type: the solvent-based printing, coating, sizing and other processes are also the largest, and are mainly used for printing plastic films, and the combined cleaning process comprises the following steps: ultrasonic cleaning, copper wire brushing and acid cleaning, wherein the acid cleaning uses oxalic acid solvents with the content of 10-40%, and the preferable ratio of the oxalic acid solvents is 10%, 15%, 20%, 25%, 28%, 30%, 35% or 40%. In this embodiment, the ratio of the oxalic acid-based solvent is 28%, and the oxalic acid-based solvent having this concentration has the best cleaning effect.

B type: water soluble ink printing, coating, sizing and other processes. The paper printing is also a large type, and the combined cleaning process comprises the following steps: ultrasonic cleaning, high-pressure washing and alternative cleaning, wherein the alternative cleaning is to prepare 70% of cleaning powder and 30% of washing powder into paste.

Class C: the printing and dyeing, iron printing and other light printing or direct printing processes have the characteristics that the screen pit blockage is not serious, and the combined cleaning process comprises the following steps: and (4) cleaning by ultrasonic waves and a copper wire brush or a steel wire brush.

And D type: the combined cleaning process for blocking the net pits by the alcohol-water printing, coating and gluing processes comprises the following steps: ultrasonic wave, copper wire scrubbing and high-pressure washing

According to the cleaning process, the screen pit type roller bodies such as printing plate rollers, coating rollers, anilox rollers and ceramic rollers can be effectively cleaned. The used enterprises can save a large amount of plate roller manufacturing cost, save the plate roller manufacturing time and improve delivery quality and production efficiency.

The cleaning process comprises the following steps: the invention sets the cleaning process and the combination scheme in the programming of the PLC machine in the polishing equipment using the pit anilox roller, inputs, adjusts or modifies the combined process scheme of cleaning in the touch screen according to different cleaning processes, adapts to different cleaning process selections of each enterprise, can simplify the cleaning process, is effective, is convenient to operate, and can effectively and thoroughly solve the problem of net pit blockage.

The invention provides a process of polishing equipment using a pit anilox roller, which specifically comprises the following steps:

step 1: setting parameters of the polishing equipment by using a human-computer interface of a PLC (programmable logic controller) machine, and clamping the anilox roller body 3 by using a first hydraulic oil cylinder 28 and a clamping tool 37 on an electric clamping device 34;

step 2: lifting the immersion liquid tank 2 by using the lifting mechanism 1, immersing part of the reticulate pattern roller body 3 into the immersion liquid tank 2, closing a buckle cover of the immersion liquid tank 2 to seal the immersion liquid tank, and starting the second motor 35 to rotate the reticulate pattern roller body 3 for cleaning; after cleaning for 1-10 minutes, the dipping tank 2 is lowered by the lifting mechanism 1, then the reticulate pattern roller body 3 is cleaned by the spray head, and the reticulate pattern roller body 3 is dried by the blowing part 11 after cleaning; in this embodiment, to the problem that there is the mesh pit bottom contained angle department to be difficult to the sanitization, can select two kinds or three kinds of combination cleaning methods according to the washing degree of difficulty, reach thorough abluent purpose. The specific cleaning mode is as follows: if the cleaning is carried out in the first two cleaning modes, the cleaning can not be completely carried out, namely, a physical replacement method is adopted: mixing 10-50% of washing powder and 90-50% of cleaning powder, adding 20-300 g of water into every 1kg of mixed powder to enable the mixed powder to be pasty or wet powder, opening a protective cover on polishing equipment at the moment, wearing rubber gloves by an operator, picking up the mixture to be coated on the roller surface of a reticulate roller body 3, forcibly pressing the mixture on the rotating roller surface by two hands to enable the mixture to enter into net pits on the roller surface, and replacing the soaked and soft residues when a previous cleaning procedure is carried out along with continuous filling so as to achieve the purpose of thorough cleaning;

step 3) drying the reticulate pattern roller body 3, descending the polishing head 5 by using the lifting platform 7, pressing the polishing head 5 and the reticulate pattern roller body 3 tightly, starting the hydraulic cylinder 136 to enable the hydraulic rod 135 to extend out, driving the accommodating groove 134 to move to the lower side of the reticulate pattern roller body 3 by the hydraulic rod 135 to accommodate the polished sundries, starting the first motor 8 and the second motor 35 to rotate simultaneously, polishing the reticulate pattern roller body 3 to form double-C-shaped pattern polishing, setting the polishing time according to the depth of a mesh pit on the reticulate pattern roller surface, and closing the first motor 8 after the polishing is qualified; wherein, the pressure ranges of the polishing head 5 and the reticulate pattern roller body 3 are respectively as follows: the high pressure is in the range of 0.4-0.6 MPa, the medium pressure is in the range of 0.2-0.4 MPa, and the low pressure is less than 0.1 MPa.

Step 4) opening the spray head, carrying out secondary cleaning on the reticulate pattern roller body 3 by using a solvent or a solution to wash away residual impurities, and carrying out secondary blow-drying on the reticulate pattern roller body 3 by using the spray head on the blowing part 11;

step 5) opening the injection part 9 to perform protection oil injection treatment on the dried anilox roller body 3, coating the anilox roller body 3 by using a manipulator after the protection oil treatment is qualified, and then packaging corrugated paper for the anilox roller body 3 and warehousing;

step 6) performing environment-friendly treatment on the waste liquid in the liquid immersion tank 2, opening a valve 26 on the liquid return pipeline 14 to enable the immersion liquid to enter a distillation tank 15 for distillation treatment, opening a negative pressure air pump 24 to enable the immersion liquid in the distillation tank 15 to roll, and enabling the immersion liquid after distillation treatment to flow into a cooling tank 16 through a vapor outflow pipe 158 for condensation treatment;

and 7) opening different valves 17 of the immersion liquid subjected to the condensation treatment in the step 6 according to the type of the immersion liquid, respectively guiding the immersion liquid to an ultrasonic liquid washing barrel, a water barrel, an oil barrel, an ethanol barrel and a solution barrel, then opening a liquid supply pump 25 on a liquid supply return pipeline 27, and respectively supplying liquid to the immersion liquid tank 2 according to the type of the immersion liquid required.

As shown in fig. 6 and 9, the apparatus of the prior art includes a material a4, an applying roller a2 and a metering roller A5 under an anilox roller A3, the applying roller a2 and the metering roller A5 are in a raw material liquid a1, the applying roller a2 and the metering roller A5 rotate in the same direction, a gap between them can be adjusted, when the applying roller a2 and the metering roller A5 are squeezed, a first straight scratch F1 and a second straight scratch F2 are generated due to a residue F3 present, a first intersection F4 and a second intersection F6 of the first straight scratch F1 and the second straight scratch F2 are generated, and a scratch F5 from the first intersection F4 to the second intersection F6 is gradually widened and gradually deepened due to the applying roller a2 and the metering roller A5 rotating in the same direction.

As shown in fig. 7 and 9, another prior art apparatus includes a printing material B1 and an anilox roller B4 under a squeegee B2, a doctor B3 is provided on the anilox roller B4, the anilox roller B4 applies glue to a glue solution B5 in a liquid bath, the anilox roller B4 rotates in the liquid bath, when the doctor B3 presses the anilox roller B4, a first straight scratch F1 and a second straight scratch F2 are generated due to a residue F3 present, a first intersection F4 and a second intersection F6 of the first straight scratch F1 and the second straight scratch F2 are generated, and a scratch F5 from the first intersection F4 to the second intersection F6 is gradually widened and gradually deepened due to the coating roller a2 and the metering roller a5 rotating in the same direction.

The two devices in fig. 6 and 7 both produce two longitudinal tracks with gradually widening and gradually deepening cross and also cause cross type grain polishing tracks, and the seized marks of the anilox roller body are worn more and more, which seriously causes the anilox roller body to be scrapped.

According to the polishing equipment for the pit anilox roller, provided by the invention, the polishing head 5 rotates under the driving of the first motor 8 to polish the anilox roller body 3, the second motor 31 drives the anilox roller body 3 to rotate to polish the anilox roller body 3, and scratches generated by residues C3 on the anilox roller body 3 form C-shaped lines and/or thread lines with different sizes and irregular patterns.

As shown in fig. 8, the C-stripes include a first C-stripe C1 and/or a second C-stripe C2, and the resulting intersections include a first intersection C4, a second intersection C5, a third intersection C6, a fourth intersection C7, and a fifth intersection C8, wherein the scratch tapers from the first intersection C4 toward the second intersection C5; the scratch gradually tapers from the third intersection point C6 toward the fourth intersection point C7 and the fifth intersection point C8 until it disappears.

As shown in fig. 10, the thread includes a first thread E1, a second thread E2 and/or a third thread E3 which cross each other, wherein the intersection of the marks of the first thread E1, the second thread E2 and/or the third thread E3 is a large C-shaped track or a small C-shaped track, and a positive C-shaped track or a negative C-shaped track may also be generated, the track of the residue is first broken and then ground, the scratch is successively less until the scratch disappears, no residual substance is left, and the polishing effect and efficiency are improved.

The preferred embodiments and examples of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the embodiments and examples described above, and various changes can be made within the knowledge of those skilled in the art without departing from the concept of the present invention.

Claims

1. A polishing device for a pit anilox roller comprises a mechanical part, a control system for realizing automation, a hydraulic part, a pneumatic part, an oil-water-gas pipeline, an ultrasonic device and an electrical element which are connected with each other, and is characterized in that the polishing device comprises a soaking tank (2) arranged on the lower side of a rack (13), a liquid return pipeline (14) and a lifting mechanism (1) are arranged at the bottom of the soaking tank (2), a liquid supply pipeline (27) is arranged on the upper portion of the soaking tank (2) and is respectively connected with an ultrasonic washing liquid tank (19), a water tank (20), an oil tank (21), an ethanol tank (22) and a solution tank (23), a liquid supply pump (25) is arranged on the liquid supply pipeline (27), a liquid return valve (26) is arranged on the liquid return pipeline (14) and is communicated with a distillation tank (15), a steam outflow pipe (158) is arranged at a position of the distillation tank (15) higher than the liquid level and is communicated with a cooling, the cooling tank (16) is respectively communicated with the tops of the ultrasonic washing tank (19), the water tank (20), the oil tank (21), the ethanol tank (22) and the solution tank (23) through a shunt pipe (18) and is used for realizing environment-friendly recovery of immersion liquid and liquid supply for the immersion liquid tank (2); a first hydraulic oil cylinder (28) and a second motor (35) are respectively arranged on a rack (13) at two sides of the immersion liquid tank (2), the first hydraulic oil cylinder (28) is arranged on a first hydraulic oil cylinder bracket (29), a clamp (37) used for clamping the reticulate roller body (3) is arranged at the end position of the first hydraulic oil cylinder bracket, a second lead screw (36) on the second motor (35) is connected with an electric clamping device (34), the end position of the electric clamping device (34) is provided with the clamp (37) used for clamping the reticulate roller body (3), the upper side of the reticulate roller body (3) is respectively provided with a polishing head (5), an injection part (9) and a blowing part (11), the polishing head (5) is fixedly connected on a motor shaft (6) of the first motor (8), the lower side of the polishing head (5) is provided with polishing abrasive paper (4) or a metal brush (41), and the motor shaft (6) is provided with a lifting table (7) used for lifting the polishing, elevating platform (7) rigid coupling is realized on hold-in range (32) through movable block (33) with reticulation roll body (3) pivoted simultaneous movement, hold-in range (32) are through taking pedestal (31) rigid coupling on frame (13), the upside of immersion fluid groove (2) is equipped with first lead screw (10) of connecting through lead screw seat (30), be equipped with respectively on first lead screw (10) and be used for first shower nozzle (91) of oil spout, be used for spouting second shower nozzle (92) of solution, be used for third shower nozzle (93) of water spray and be used for fourth shower nozzle (94) of blowing, first shower nozzle (91) and second shower nozzle (92) set up on injection portion (9), third shower nozzle (93) and fourth shower nozzle (94) set up on blowing portion (11), injection portion (9) and blowing portion (11) symmetry set up.

2. A polishing device for dimpled anilox rollers according to claim 1, characterised in that the bristles of the metal brush (41) are made of steel or copper wire.

3. A polishing device for a pit anilox roller according to claim 1, wherein a valve (17) is arranged on the shunt tube (18) and is communicated with an ultrasonic cleaning solution tank (19), a water tank (20), an oil tank (21), an ethanol tank (22) and a solution tank (23).

4. The polishing equipment for the dimpled anilox roller according to claim 1, wherein the distillation tank (15) comprises an upper cover (156) and a tank body (153) which are hermetically connected with each other, a safety valve (157) is arranged at the top of the upper cover (156), an inner cavity is arranged on the side wall of the tank body (153), an electric heating pipe (159) for heating heat conduction oil and a thermocouple (155) for measuring and controlling temperature are arranged in the inner cavity, a limit sensor (154) for limiting the liquid level is arranged on the side wall of the distillation tank (15), a waste liquid inlet (151) is arranged at the bottom of the tank body (153), and the waste liquid inlet (151) is horizontally arranged or obliquely arranged upwards.

5. A polishing device for a dimpled anilox roller according to claim 1, wherein an air pump (141) is arranged on the liquid return pipeline (14), and the air pump (141) is used for blowing air to the waste liquid in the distillation tank (15) to roll the waste liquid for accelerating distillation.

6. A polishing device for a pit anilox roller according to claim 5, characterized in that a cooling inner cavity (163) is arranged inside a tank body (162) of the cooling tank (16), the cooling inner cavity (163) is provided with a coil (161) and filled with cold water for condensation, an inlet of the coil (161) is connected with a steam outlet pipe (158), an outlet of the coil (161) is connected with a shunt pipe (18) provided with a vacuum pump (24) outside, and the cooling inner cavity (163) is communicated with a cooling circulation pipeline of a refrigerator (164) for refrigeration.

7. A polishing device of a dimpled anilox roller according to claim 4, characterized in that the waste liquid inlet (151) is arranged inclined upwards by an angle in the range of 30-65 °.

8. The polishing equipment for the concave pit anilox roller according to claim 1, wherein a third hydraulic cylinder (136) fixedly connected with a frame (13) is arranged at the lower side of the anilox roller body (3), and a third hydraulic rod (135) on the third hydraulic cylinder (136) moves back and forth to drive a containing groove (134) made of soft material to contain sundries polished by a polishing head (5);

the utility model discloses a screen cloth roller, including reticulation roller body (3), the end position cover of second hydraulic cylinder (1314) that is equipped with and frame (13) fixed connection of reticulation roller body (3) upside, the end position cover of second hydraulic cylinder (1313) that second hydraulic cylinder (1314) carried out the up-and-down motion is equipped with pedestal (1311), handle (131) on pedestal (1311) can rotate and carry out planar angular adjustment, be equipped with digital camera (132) through coiled pipe (1312) fixed connection on pedestal (1311), digital camera (132) are connected and carry out data transmission through the PLC machine with display screen (133) electricity on the control cabinet.

9. The process of using the polishing apparatus of the dimpled anilox roller according to any one of claims 1 to 8, wherein the process comprises the steps of:

step 1: setting parameters of the polishing equipment by using a human-computer interface of a PLC (programmable logic controller), and clamping the reticulate pattern roller body (3) by using a first hydraulic oil cylinder (28) and a clamp (37) on an electric clamping device (34);

step 2: the dipping tank (2) is lifted by using the lifting mechanism (1), the reticulate pattern roller body (3) is partially immersed into the dipping tank (2), a buckle cover of the dipping tank (2) is closed to seal the dipping tank, and the second motor (35) is started to rotate the reticulate pattern roller body (3) for cleaning; after cleaning for 1-10 minutes, the immersion liquid tank (2) is descended by using the lifting mechanism (1), then the reticulated roller body (3) is cleaned under high pressure by using the spray head, and the reticulated roller body (3) is dried by using the blowing part (11) after cleaning;

step 3), after the reticulate pattern roller body (3) is dried, the polishing head (5) is lowered by using the lifting platform (7), the polishing head (5) and the reticulate pattern roller body (3) are tightly pressed, the hydraulic cylinder (136) is started to enable the hydraulic rod (135) to extend out, the hydraulic rod (135) drives the accommodating groove (134) to move to the lower side of the reticulate pattern roller body (3) to contain polished sundries, the first motor (8) and the second motor (35) are started to rotate simultaneously to polish the reticulate pattern roller body (3) to form polishing of double C-shaped patterns, the polishing time is set according to the depth of a mesh pit on the reticulate pattern roller surface, and the first motor (8) is closed after the polishing is qualified;

step 4), opening the spray head, carrying out secondary cleaning on the reticulate pattern roller body (3) by using a solvent or a solution to wash away residual impurities, and carrying out secondary blow-drying on the reticulate pattern roller body (3) by using the spray head on the blowing part (11);

step 5), opening an injection part (9) to perform protection oil injection treatment on the dried reticulate pattern roller body (3), and after the protection oil treatment is qualified, using a manipulator to coat the reticulate pattern roller body (3), and packaging corrugated paper for the roller body and warehousing;

step 6) performing environment-friendly treatment on the waste liquid in the liquid immersion tank (2), opening a valve (26) on a liquid return pipeline (14) to enable the immersion liquid to enter a distillation tank (15) for distillation treatment, opening a negative pressure air pump (24) to enable the immersion liquid in the distillation tank (15) to roll, enabling the immersion liquid after distillation treatment to flow into a cooling tank (16) through a vapor outflow pipe (158) for condensation treatment;

and 7) opening different valves (17) to respectively guide the immersion liquid subjected to the condensation treatment in the step 6 into the ultrasonic liquid washing barrel, the water barrel, the oil barrel, the ethanol barrel and the solution barrel according to the type of the immersion liquid, then opening a liquid supply pump (25) on a liquid supply return pipeline (27), and respectively supplying liquid to the immersion liquid tank (2) according to the type of the immersion liquid required to be used.

10. Process of a polishing equipment of dimpled anilox rollers according to claim 9, characterized in that the pressure ranges for the polishing head (5) and the anilox roller body (3) in step 3) of the process are respectively: the high pressure is in the range of 0.4-0.6 MPa, the medium pressure is in the range of 0.2-0.4 MPa, and the low pressure is less than 0.1 MPa.