CN111393905A - Production process and production equipment of PU (polyurethane) ink - Google Patents
Production process and production equipment of PU (polyurethane) ink Download PDFInfo
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- CN111393905A CN111393905A CN202010395010.5A CN202010395010A CN111393905A CN 111393905 A CN111393905 A CN 111393905A CN 202010395010 A CN202010395010 A CN 202010395010A CN 111393905 A CN111393905 A CN 111393905A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 239000004814 polyurethane Substances 0.000 title abstract description 26
- 229920002635 polyurethane Polymers 0.000 title abstract description 4
- 238000000227 grinding Methods 0.000 claims abstract description 115
- 238000003756 stirring Methods 0.000 claims abstract description 102
- 239000000203 mixture Substances 0.000 claims abstract description 45
- 238000004806 packaging method and process Methods 0.000 claims abstract description 27
- 239000006185 dispersion Substances 0.000 claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000009775 high-speed stirring Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 46
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000005303 weighing Methods 0.000 claims description 27
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 20
- 239000002699 waste material Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 239000012752 auxiliary agent Substances 0.000 claims description 6
- 239000000049 pigment Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000003028 elevating effect Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 15
- 239000012856 weighed raw material Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000013035 low temperature curing Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/191—Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/02—Crushing or disintegrating by disc mills with coaxial discs
- B02C7/04—Crushing or disintegrating by disc mills with coaxial discs with concentric circles of intermeshing teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/17—Cooling or heating of discs
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention relates to a production process and production equipment of PU (polyurethane) ink, wherein the raw materials are weighed for later use, the weighed raw materials are sequentially put into a dispersion machine for low-speed stirring, a mixture after the low-speed stirring is put into a grinding machine for grinding, the mixture after the grinding is put into the dispersion machine for high-speed stirring, and the mixture after the high-speed stirring is put into a filtering and packaging machine for filtering and packaging to obtain the PU ink.
Description
Technical Field
The invention relates to a production process and production equipment of PU printing ink.
Background
The PU printing ink is thermosetting single-component high-performance polyurethane spraying printing ink, has excellent protective performance, is particularly suitable for surface coating of silicon rubber products with bright/matte requirements, and has the characteristics of strong adhesive force, smooth hand feeling, good wear resistance, low-temperature curing, high transparency, good weather resistance, good chemical resistance and wide applicability. The equipment used in the production process of the PU printing ink mainly comprises a dispersion machine, a grinding machine and a filtering and packaging machine, the existing dispersion machine is mainly used for stirring a mixture, the air pressure in the dispersion machine can be increased along with the stirring, if the air pressure is too high, explosion can be caused, the PU printing ink needs to put a plurality of raw materials into the dispersion machine during preliminary stirring, the feeding is mainly carried out manually at present, the manual feeding is difficult to ensure the feeding accuracy, a large amount of manpower is consumed for feeding a plurality of raw materials in a short time, the quality of a prepared product is difficult to ensure, the filtered waste materials in the traditional filtering and packaging machine are collected in a unified manner, but the collected waste materials need to be manually added into the grinding machine for re-grinding, the labor is very consumed, the waste materials are easy to agglomerate after being accumulated for a long time, the grinding workload is increased, the production efficiency is influenced, and the collecting barrel needs to be transported to, the existing method is to manually carry a collecting barrel, but the collecting barrel filled with PU printing ink is very heavy, a large amount of manpower is consumed in carrying, meanwhile, the risk that workers are injured due to falling of the collecting barrel caused by errors can occur in the carrying process, a grinding machine can generate a large amount of heat during grinding work, but the existing grinding machine is poor in heat dissipation effect, the machine needs to be stopped for heat dissipation after working time is long, production efficiency is affected, the collecting barrel needs to be moved to the lower portion of a sealing device for sealing and packaging after being fully collected with the PU printing ink, the traditional mode is to align the collecting barrel to the sealing device for sealing and packaging through manual observation, the mode needs workers to stare at a machine in real time, labor and effort are wasted, and therefore, improvement needs to be made on the existing PU printing ink production equipment to improve production efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a PU printing ink production process and production equipment thereof, which can reduce the labor consumption, have high automation degree and high production efficiency.
The technical scheme of the invention is realized as follows: a production process of PU printing ink comprises a dispersion machine, a grinding machine and a filtering and packaging machine, and is characterized in that: the method comprises the following steps:
(1) preparing materials and weighing: weighing 25-35 parts of water-soluble resin, 10-30 parts of pigment, 1-3 parts of auxiliary agent and 15-25 parts of water one by one according to parts by weight for later use.
(2) Stirring at a low speed: and starting the dispersion machine to stir at 150-250 revolutions per minute, and sequentially adding the prepared materials and the weighed water-soluble resin, pigment, auxiliary agent and water into the dispersion machine to stir for 20-40 minutes.
(3) Grinding and dispersing: and (3) transferring the mixture after low-speed stirring into a grinding machine for grinding and dispersing, wherein the grinding machine grinds for 4-5 times, and when the diameter of the mixed particles is 130-240 nm, the grinding and dispersing are finished.
(4) High-speed stirring: and transferring the mixture after grinding and dispersing into a dispersion machine, and starting the dispersion machine to stir for 30 minutes at 500-600 revolutions per minute.
(5) And (3) filtering and packaging: and (4) guiding the mixture uniformly stirred at the high speed into a filtering and packaging machine for filtering and packaging to obtain the PU printing ink product.
By adopting the technical scheme, the process has reasonable flow and reasonable equipment arrangement, the production of the PU printing ink is completely met, the color of the produced PU printing ink is similar to that of a standard plate, the fineness is less than 20 mu m, the viscosity is 20 +/-5 s, the content of heavy metal meets the world packaging green environment-friendly standard, and all the resistance meets the requirements.
The invention is further configured to: the dispersion machine comprises a frame, a lower support rod is arranged on the frame, an upper support rod is arranged above the lower support rod, the lower end of the upper support rod is movably arranged in the lower support rod, a cross beam is arranged at the upper end of the upper support rod, one end of the cross beam is rotatably connected with the upper end of the upper support rod, a driving motor is arranged on the cross beam, a stirring barrel is arranged on the frame, a transmission shaft is arranged in the stirring barrel, a plurality of stirring blades are arranged on the outer wall of the transmission shaft at intervals along the vertical direction, and the upper end of the transmission shaft upwards extends to the outside of the stirring barrel and then is.
By adopting the technical scheme, the upper supporting rod and the lower supporting rod can be vertically movably adjusted to control the height of the transmission shaft, the cross beam can rotate relative to the upper supporting rod to adjust the position of the transmission shaft, when in use, the height and the position of the transmission shaft are adjusted, the driving motor is started to drive the transmission shaft to rotate, the rotating speed of the driving motor is adjusted according to needs, a plurality of stirring blades are arranged on the outer wall of the transmission shaft at intervals along the vertical direction, the transmission shaft rotates to drive the stirring blades to stir raw materials, the stirring effect can be improved by the plurality of stirring blades arranged at intervals, the rotating speed of the driving motor is controlled at 150-250 r/min when in low-speed stirring, the weighed raw materials are sequentially put into the stirring barrel to be stirred for 20-40 min, the mixture is put into the stirring barrel when in high-speed stirring, the rotating speed of the driving motor is controlled, stirred well for 30 minutes.
The invention is further configured to: the grinder comprises a grinder body, a feed port is arranged at the top of the grinder body, a grinding table is arranged inside the grinder body, a first grinding disc and a second grinding disc which are used for grinding materials are arranged on the grinding table, the first grinding disc and the second grinding disc are respectively connected with two rotating motors in opposite rotating directions in a transmission mode, a discharge pipe is arranged on the grinding table, one end, away from the grinding table, of the discharge pipe penetrates through the inner wall of the grinder body and then extends to the outside of the grinder body, and a discharge valve is arranged on the discharge pipe.
Through adopting above-mentioned technical scheme, when using, throw into the grinding machine inside from the dog-house at organism top with the mixture after the low-speed stirring is accomplished, first abrasive disc and second abrasive disc are laminated each other and are rotated and grind the mixture, first abrasive disc and second abrasive disc are connected with two rotation motor transmission that rotate opposite direction respectively, compare with current single abrasive disc pivoted grinding machine, grinding efficiency has improved one time, the mixture after the grinding is accomplished spreads to the grinding bench from between first abrasive disc and the second abrasive disc, and discharge through the discharging pipe and grind the machine organism, be equipped with the bleeder valve on the discharging pipe, the bleeder valve can control whether the mixture circulates, when grinding, the bleeder valve is closed, when needing the ejection of compact, the bleeder valve is opened.
The invention is further configured to: the filter packaging machine comprises a frame body, a filter vat is arranged on the frame body, an inlet pipe is arranged on the upper portion of the filter vat, a feeding pump is arranged on the inlet pipe, a discharge pipe is arranged at the bottom of the filter vat, a discharge valve is arranged on the discharge pipe, a conveyor belt is arranged below the filter vat, a collecting barrel is arranged on the conveyor belt, and a cover sealing device is arranged on one side, away from the filter vat, of the conveyor belt and located on the frame body.
Through adopting above-mentioned technical scheme, when using, start the material loading pump, the mixture filters in entering into the filter vat through the inlet pipe under the effect of material loading pump, the discharge tube discharge of mixture through the filter vat bottom after the filtration completion, be equipped with the discharge valve on the discharge tube, whether the discharge valve can control to unload, the filter vat below is equipped with the conveyer belt, be equipped with the collecting vessel on the conveyer belt, start the conveyer belt and make the collecting vessel be located the discharge tube below, the conveyer belt stops the conveying, open the discharge valve, the mixture after the filtration passes through in the discharge tube gets into the collecting vessel, the collecting vessel collects and starts the conveyer belt after full and drives the collecting vessel and remove to the closing cap ware below, the conveyer belt stops the conveying, the closing cap ware carries out the closing cap packing to the collecting vessel, take off the collecting vessel from the conveyer belt after the closing.
The invention is further configured to: the side wall of the stirring barrel is provided with a gas one-way valve for releasing pressure of the stirring barrel, the gas one-way valve comprises a valve body, a valve core and a spring, one end of the valve body penetrates through the side wall of the stirring barrel and then extends into the stirring barrel, a channel is arranged inside the valve body, the valve core is positioned in the channel, one side of the valve core, which is far away from the stirring barrel, is provided with a butting block, one end of the spring is fixedly connected with one side of the valve core, which is far away from the stirring barrel, and the other end of the spring is fixedly connected with the side wall, which is close to one side of the valve core, of the butting block, one end of the valve body, which is far away from the stirring barrel, is provided with a connecting cover, the inner wall of the connecting cover is provided with an internal thread, the, the valve body is provided with a through hole, the through hole is provided with a mounting groove on the inner wall, the mounting groove penetrates into the connecting cover towards one side close to the valve body, a first filter screen is arranged in the mounting groove, and an annular pressing block used for pressing the first filter screen is arranged on one side close to the valve body and in the mounting groove.
By adopting the technical scheme, when the mixing material is stirred by the dispersion machine, the elastic force of the spring supports the valve core to enable the valve core to block a channel inside the valve body, the external air is prevented from entering the stirring barrel through the channel to influence the stirring effect, the air pressure in the stirring barrel is increased along with the stirring, when the air pressure in the stirring barrel is greater than the elastic force of the spring, the air pressure in the stirring barrel pushes the valve core to extrude the spring, a gap is formed between the valve core and the inner wall of the valve body at the moment, the channel is communicated, the pressure is relieved inside the stirring barrel through the channel, one end of the valve body, which is far away from the stirring barrel, is provided with the connecting cover, the connecting cover is provided with the through hole, the inner wall of the through hole is provided with the mounting groove, the mounting groove is internally provided with the first filter screen, the annular pressing block is arranged on one side, which is, avoid direct dust impurity who will produce by the stirring when the pressure release to discharge polluted air in the air, can extrude annular compact heap when the inside air of agitator is discharged from the passageway, make annular compact heap compress tightly first filter screen, thereby make holistic structure more stable, connect lid and valve body and pass through internal thread and external screw thread cooperation fixed connection, when clean first filter screen, only need swivelling joint lid just can dismantle the connection lid from the valve body, wash first filter screen, if first filter screen has damaged, can also lift annular compact heap more renew's first filter screen, and is very convenient.
The invention is further configured to: the automatic material conveying device is characterized in that an automatic material conveying assembly capable of accurately conveying materials is arranged at the top of the stirring barrel and comprises a mounting frame, a plurality of material storage tanks are arranged on the mounting frame, weighing control assemblies used for weighing the weight of the material storage tanks and transmitting electric signals are arranged on the material storage tanks, material conveying valves are arranged at the bottoms of the material storage tanks and electrically connected with the weighing control assemblies, material conveying pipes are arranged at the bottoms of the material conveying valves and extend to the inside of the stirring barrel after the lower ends of the material conveying pipes penetrate through the outer wall of the top of the stirring barrel.
By adopting the technical scheme, the weighing control component can weigh the material storage tank and generate an electric signal according to a preset value, the feeding pipe is provided with the feeding valve which is electrically connected with the weighing control component, when feeding, workers respectively put different raw materials into different material storage tanks, the weighing control assembly weighs the material storage tanks, setting a mass difference on the weighing control component according to the mass required by different raw materials, opening a feeding valve, feeding the raw materials into a stirring barrel through a feeding pipe, when the corresponding mass difference of the corresponding raw materials is reached, the weighing control component generates an electric signal and transmits the electric signal to the feeding valve, the feeding valve is closed to stop feeding, compared with the existing manual feeding, this structure can practice thrift a large amount of manpowers, and degree of automation is high, has improved the accurate nature that the raw materials was put in simultaneously, has further improved the quality of product.
The invention is further configured to: the improved filter barrel is characterized in that a second filter screen is arranged inside the filter barrel, one side of the second filter screen is fixedly connected with the inner wall of the filter barrel, the other side of the second filter screen is arranged in a downward inclined mode, a finished product bin is arranged below the second filter screen, a waste material groove is formed between one side, located below, of the second filter screen and the inner wall of the filter barrel, a circulating pipe is arranged on the outer wall of the filter barrel, one end of the circulating pipe penetrates through the outer wall of the filter barrel and then is communicated with the bottom of the.
By adopting the technical scheme, the second filter screen is arranged in the filter vat, the mixture after high-speed stirring enters the filter vat through the feeding pipe, the mixture is contacted with the second filter screen, the mixture meeting the requirement passes through the second filter screen and then enters the finished product bin below the second filter screen, one side of the second filter screen is fixedly connected with the inner wall of the filter vat, the other side of the second filter screen is arranged in a downward inclined manner, a waste material groove is formed between one side of the second filter screen below and the side wall of the filter vat, the mixture not meeting the requirement falls into the waste material groove along the second filter screen, the outer wall of the filter vat is provided with a circulating pipe, one end of the circulating pipe is communicated with the bottom of the waste material groove, the circulating pump is arranged on the circulating pipe, one end of the circulating pipe, far away from the waste material groove, is communicated with a feeding port of the, thereby avoid not meeting the long-time back caking of piling up of the mixture that meets the requirements to influence production efficiency, compare with prior art, this structure has realized in time automatic leading-in to the grinding machine with the mixture that does not meet the requirements, and degree of automation is high, has improved holistic production efficiency.
The invention is further configured to: conveyer belt one side is equipped with and is used for carrying the centre gripping elevating assembly who gets off from the conveyer belt with the collecting vessel, centre gripping elevating assembly includes the base, the base top is equipped with the roating seat, rotate through the axis of rotation between base and the roating seat and be connected, be equipped with the riser on the roating seat, the riser upper end is equipped with the lifter plate, the riser both sides just are located and are equipped with two spacing posts on the roating seat, and two spacing posts are close to and all are equipped with spacing spout along vertical direction on the lateral wall of riser one side, the lifter plate both ends slide respectively and set up in two spacing spouts, be equipped with the stand on the lifter plate, be equipped with the pneumatic cylinder on the lateral wall of stand one side, the pneumatic cylinder output is equipped with the hydraulic stem, the one end that the.
By adopting the technical scheme, the base is rotationally connected with the rotating base through the rotating shaft, the rotating base is provided with the lifter, the lifter is provided with the lifting plate, the lifting plate is provided with the upright post, the side wall of one side of the upright post is provided with the hydraulic cylinder, the output end of the hydraulic cylinder is provided with the hydraulic rod, one end of the hydraulic rod, which is far away from the hydraulic cylinder, is provided with the clamping component, two limiting columns are arranged on two sides of the lifting plate and are positioned on the rotating base, the side wall of one side, which is close to the lifter, of the two limiting columns is provided with the limiting sliding grooves, two ends of the lifting plate are respectively arranged in the two limiting sliding grooves in a sliding manner, when in use, the lifter drives the lifting plate to rise to the same height with the conveying belt, the hydraulic cylinder extends the hydraulic rod, the hydraulic rod drives the clamping component to, rotate the roating seat and make the lifter plate be close to one side of centre gripping subassembly and face to goods shelves, pneumatic cylinder, hydraulic stem and the common cooperation of centre gripping subassembly place the collecting vessel on goods shelves, the lifter plate rises and descends in-process both ends and slides from top to bottom in spacing spout, makes the rising of lifter plate more stable with the decline, compares with current artifical transport, and a large amount of manpowers can be practiced thrift to this structure, can also avoid appearing leading to the collecting vessel to fall to injure workman's phenomenon by a crashing object because of the error.
The invention is further configured to: the grinding machine is characterized in that an air injection pipe is arranged inside the grinding machine, one end of the air injection pipe is provided with a plurality of spray heads, the spray heads face a first grinding disc and a second grinding disc, a cold air box is arranged on the outer wall of the grinding machine, one end, far away from the spray heads, of the air injection pipe penetrates through the inner wall of the grinding box and then is communicated with the cold air box, an air injection valve is arranged between the cold air box and the air injection pipe, the inner wall of the grinding box is provided with a temperature sensor, and the air injection.
By adopting the technical scheme, the jet pipe is arranged in the grinding machine, one end of the jet pipe is provided with a plurality of nozzles, the plurality of nozzles face a first grinding disc, a second grinding disc and other components, the outer wall of the grinding machine is provided with a cold air box, one end of the jet pipe, far away from the nozzles, penetrates through the inner wall of the grinding box and then is communicated with the cold air box, a jet valve is arranged between the cold air box and the jet pipe, the inner wall of the grinding machine is provided with a temperature sensor, the jet valve is electrically connected with the temperature sensor, the first grinding disc and the second grinding disc generate heat during grinding, the temperature in the grinding machine rises, the temperature sensor monitors the temperature in the grinding machine in real time, when the temperature of the grinding machine rises to a preset value, the temperature sensor transmits an electric signal to the jet valve, the jet valve is opened, cold air in, after the temperature fell, temperature sensor gave the jet valve transmission another signal of telecommunication, and the jet valve is closed, compares with prior art, and this structure can in time carry out cooling to grinding machine, avoids appearing grinding machine inside high temperature and leads to need to shut down radiating phenomenon, makes holistic production efficiency obtain improving.
The invention is further configured to: be equipped with the spacing subassembly that is used for avoiding the collecting vessel to rock on the conveyer belt, two stoppers on the conveyer belt are established including the symmetry to spacing subassembly, one side that the stopper is close to the collecting vessel is the arc, the closing cap ware bottom surface is equipped with infrared emitter, the collecting vessel rear just is located and is equipped with the fixed block on the conveyer belt, be equipped with on the fixed block and be used for the infrared receiver who mutually supports with infrared emitter.
By adopting the technical scheme, the limiting component is arranged on the conveying belt and comprises two limiting blocks symmetrically arranged on the conveying belt, one side of each limiting block, which is close to the collecting barrel, is arc-shaped, so that the side wall of each limiting block can be attached to the outer wall of the collecting barrel to better play a limiting role, the fixing block is arranged behind the collecting barrel and on the conveying belt and can limit the rear part of the outer wall of the collecting barrel, the bottom surface of the capping device is provided with an infrared transmitter, the fixing block is provided with an infrared receiver, the infrared receiver can receive signals transmitted by the infrared transmitter, the conveying belt drives the collecting barrel to be close to the capping device, when the infrared receiver receives signals transmitted by the infrared transmitter, the conveying belt stops transmitting, the collecting barrel is positioned below the capping device at the moment, and the capping device performs capping packaging on the collecting barrel, compared with the prior art, the, the counterpoint is accurate, has further improved the production efficiency of PU printing ink.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a production process according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a disperser according to an embodiment of the present invention.
Fig. 3 is a schematic view of a grinder according to an embodiment of the present invention.
Fig. 4 is a schematic view of a filter wrapping machine according to an embodiment of the present invention.
FIG. 5 is a schematic view of a gas check valve according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of an automatic feeding assembly according to an embodiment of the present invention.
Fig. 7 is a schematic structural view of a clamping elevating assembly according to an embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a limiting assembly in the embodiment of the present invention.
The labels in the figures are:
1-frame, 101-lower support bar, 102-upper support bar, 103-stirring barrel, 104-transmission shaft, 105-stirring blade, 106-driving motor, 107-beam, 2-machine body, 201-feeding port, 202-grinding table, 203-first grinding disc, 204-second grinding disc, 205-rotating motor, 206-discharging pipe, 207-discharging valve, 3-frame body, 301-filtering barrel, 302-feeding pipe, 303-feeding pump, 304-discharging pipe, 305-discharging valve, 306-conveyor belt, 307-collecting barrel, 308-capping device, 4-gas one-way valve, 401-valve body, 402-valve core, 403-spring, 404-abutting block, 405-connecting cover, 406-internal thread, 405-connecting cover, 407-external thread, 408-through hole, 409-mounting groove, 4010-first filter screen, 4011-annular compaction block, 4012-channel, 5-automatic feeding component, 501-mounting rack, 502-storage tank, 503-weighing control component, 504-feeding valve, 505-feeding pipe, 601-second filter screen, 602-finished product bin, 603-waste bin, 604-circulating pipe, 605-circulating pump, 701-base, 702-rotating seat, 703-rotating shaft, 704-lifter, 705-lifting plate, 706-limiting column, 707-limiting chute, 708-upright column, 709-hydraulic cylinder, 7010-hydraulic rod, 7011-clamping component, 801-gas injection pipe, 802-spray head, 803-cold air box, 804-air injection valve, 805-temperature sensor, 901-infrared emitter, 902-limiting block, 903-fixing block and 904-infrared receiver.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, the present invention discloses a PU ink production process, which comprises a dispersion machine, a grinding machine, and a filtering and packaging machine, wherein in the embodiment of the present invention: the method comprises the following steps:
(1) preparing materials and weighing: weighing 25-35 parts of water-soluble resin, 10-30 parts of pigment, 1-3 parts of auxiliary agent and 15-25 parts of water one by one according to parts by weight for later use.
(2) Stirring at a low speed: and starting the dispersion machine to stir at 150-250 revolutions per minute, and sequentially adding the prepared materials and the weighed water-soluble resin, pigment, auxiliary agent and water into the dispersion machine to stir for 20-40 minutes.
(3) Grinding and dispersing: and (3) transferring the mixture after low-speed stirring into a grinding machine for grinding and dispersing, wherein the grinding machine grinds for 4-5 times, and when the diameter of the mixed particles is 130-240 nm, the grinding and dispersing are finished.
(4) High-speed stirring: and transferring the mixture after grinding and dispersing into a dispersion machine, and starting the dispersion machine to stir for 30 minutes at 500-600 revolutions per minute.
(5) And (3) filtering and packaging: and (4) guiding the mixture uniformly stirred at the high speed into a filtering and packaging machine for filtering and packaging to obtain the PU printing ink product.
By adopting the technical scheme, the process has reasonable flow and reasonable equipment arrangement, the production of the PU printing ink is completely met, the color of the produced PU printing ink is similar to that of a standard plate, the fineness is less than 20 mu m, the viscosity is 20 +/-5 s, the content of heavy metal meets the world packaging green environment-friendly standard, and all the resistance meets the requirements.
In a specific embodiment of the invention: the dispersion machine comprises a machine frame 1, a lower supporting rod 101 is arranged on the machine frame 1, an upper supporting rod 102 is arranged above the lower supporting rod 101, the lower end of the upper supporting rod 102 is movably arranged in the lower supporting rod 101, a cross beam 107 is arranged at the upper end of the upper supporting rod 102, one end of the cross beam 107 is rotatably connected with the upper end of the upper supporting rod 102, a driving motor 106 is arranged on the cross beam 107, a stirring barrel 103 is arranged on the machine frame 1, a transmission shaft 104 is arranged in the stirring barrel 103, a plurality of stirring blades 105 are arranged on the outer wall of the transmission shaft 104 at intervals along the vertical direction, and the upper end of the transmission shaft 104 extends upwards to the outside of the stirring barrel.
By adopting the technical scheme, the height of the transmission shaft 104 can be adjusted and controlled up and down by the upper support rod 102 and the lower support rod 101, the position of the transmission shaft 104 can be adjusted by the crossbeam 107 and the upper support rod 102 in a relatively rotating manner, when the device is used, the height and the position of the transmission shaft 104 are adjusted, the transmission shaft 104 is started to drive the transmission shaft 104 to rotate, the rotating speed of the driving motor 106 is adjusted according to needs, a plurality of stirring blades 105 are arranged on the outer wall of the transmission shaft 104 at intervals along the vertical direction, the transmission shaft 104 rotates to drive the stirring blades 105 to stir raw materials, the stirring effect can be improved by the plurality of stirring blades 105 arranged at intervals, the rotating speed of the driving motor 106 is controlled to be 150-250 revolutions/min during low-speed stirring, the weighed raw materials are sequentially put into the stirring barrel 103 to be stirred for 20-40 min, the mixture is put into the stirring barrel 103 during high-speed stirring, the rotating, stirred well for 30 minutes.
In a specific embodiment of the invention: the grinder comprises a grinder body 2, a feeding port 201 is arranged at the top of the grinder body 2, a grinding table 202 is arranged inside the grinder body 2, a first grinding disc 203 and a second grinding disc 204 used for grinding materials are arranged on the grinding table 202, the first grinding disc 203 and the second grinding disc 204 are in transmission connection with two rotating motors 205 with opposite rotating directions respectively, a discharge pipe 206 is arranged on the grinding table 202, one end, far away from the grinding table 202, of the discharge pipe 206 penetrates through the inner wall of the grinder body 2 and then extends to the outside of the grinder body 2, and a discharge valve 207 is arranged on the discharge pipe 206.
Through adopting above-mentioned technical scheme, when using, throw into the grinding machine inside from dog-house 201 at organism 2 top with the mixture after the low-speed stirring is accomplished, first abrasive disc 203 and second abrasive disc 204 rotation of laminating each other grind the mixture, first abrasive disc 203 and second abrasive disc 204 are connected with two rotation motor 205 transmissions that rotate opposite direction respectively, compare with current single abrasive disc pivoted grinding machine, grinding efficiency has improved one time, the mixture after the grinding is accomplished diffuses to grinding table 202 between first abrasive disc 203 and the second abrasive disc 204, and discharge through discharging pipe 206 and grind machine organism 2, be equipped with bleeder valve 207 on the discharging pipe 206, bleeder valve 207 can control whether the mixture circulates, when grinding, bleeder valve 207 closes, when needing the ejection of compact, bleeder valve 207 opens.
In a specific embodiment of the invention: filter packaging machine includes support body 3, be equipped with filter vat 301 on support body 3, filter vat 301 upper portion is equipped with inlet pipe 302, be equipped with charge pump 303 on the inlet pipe 302, filter vat 301 bottom is equipped with discharge tube 304, be equipped with discharge valve 305 on the discharge tube 304, filter vat 301 below is equipped with conveyer belt 306, be equipped with collecting vessel 307 on the conveyer belt 306, one side that filter vat 301 was kept away from to conveyer belt 306 just is located and is equipped with closing cap ware 308 on support body 3.
By adopting the technical scheme, when the filter is used, the feeding pump 303 is started, the mixture enters the filter barrel 301 through the feeding pipe 302 to be filtered under the action of the feeding pump 303, the filtered mixture is discharged through the discharging pipe 304 at the bottom of the filter barrel 301, the discharging pipe 304 is provided with the discharging valve 305, the discharging valve 305 can control whether to discharge the mixture, the conveyor belt 306 is arranged below the filter barrel 301, the collection barrel 307 is arranged on the conveyor belt 306, the conveyor belt 306 is started to enable the collection barrel 307 to be positioned below the discharging pipe 304, the conveyor belt 306 stops conveying, the discharging valve 305 is opened, the filtered mixture enters the collection barrel 307 through the discharging pipe 304, after the collecting barrel 307 is fully collected, the conveyor belt 306 is started to drive the collecting barrel 307 to move to the position below the capping device 308, the conveyor belt 306 stops conveying, the capping device 308 performs capping packaging on the collecting barrel 307, and after the capping packaging, the collecting barrel 307 is taken down from the conveyor belt 306 for storage.
In a specific embodiment of the invention: the gas check valve 4 used for relieving pressure of the stirring barrel 103 is arranged on the side wall of the stirring barrel 103, the gas check valve 4 comprises a valve body 401, a valve core 402 and a spring 403, one end of the valve body 401 penetrates through the side wall of the stirring barrel 103 and then extends into the stirring barrel 103, a channel 4012 is arranged inside the valve body 401, the valve core 402 is positioned in the channel 4012, one side of the valve core 402, far away from the stirring barrel 103, is provided with a butting block 404 on the inner wall of the channel 4012, one end of the spring 403 is fixedly connected with one side of the valve core 402, the other end of the spring 403 is fixedly connected with the side wall of the butting block 404, close to one side of the valve core 402, one end of the valve body 401, far away from the stirring barrel 103, is provided with a connecting cover 405, an internal thread 406 is arranged on the inner wall of the connecting cover 405, an external thread 407 mutually matched with the internal thread 406 is arranged on the outer, be equipped with through hole 408 on the connection lid 405, be equipped with mounting groove 409 on the through hole 408 inner wall, mounting groove 409 runs through to connection lid 405 inside to one side that is close to valve body 401, be equipped with first filter screen 4010 in the mounting groove 409, first filter screen 4010 is close to one side of valve body 401 and is located the mounting groove 409 and is equipped with the annular compact heap 4011 that is used for compressing tightly first filter screen 4010.
By adopting the technical scheme, when the dispersion machine stirs the mixture, the elastic force of the spring 403 props the valve core 402 to enable the valve core 402 to block the channel 4012 inside the valve body 401, the external air is prevented from entering the stirring barrel 103 through the channel 4012 to influence the stirring effect, along with the stirring, the air pressure in the stirring barrel 103 is increased, when the air pressure in the stirring barrel 103 is greater than the elastic force of the spring 403, the air pressure inside the stirring barrel 103 pushes the valve core 402 to extrude the spring 403, at the moment, a gap is formed between the valve core 402 and the inner wall of the valve body 401, the channel 4012 circulates, the pressure inside the stirring barrel 103 is relieved through the channel 4012, one end of the valve body 401 far away from the stirring barrel 103 is provided with the connecting cover 405, the connecting cover 405 is provided with the through hole 408, the inner wall of the through hole 408 is provided with the mounting groove 409, the first filter screen 4010 is arranged in the mounting groove 409, in the pressure release in-process, because the dust impurity that the stirring produced is intercepted by first filter screen 4010 when passing through passageway 4012 in the agitator 103, avoid directly discharging the polluted air in the air by the dust impurity that the stirring produced when the pressure release, agitator 103 inside air can extrude annular compact heap 4011 from passageway 4012 exhaust in the time, make annular compact heap 4011 compress tightly first filter screen 4010, thereby make holistic structure more stable, connect lid 405 and valve body 401 through internal thread 406 and external screw thread 407 screw-thread fit fixed connection, when clean first filter screen 4010, only need swivelling joint lid 405 just can dismantle connecting lid 405 from valve body 401, wash first filter screen 4010, if first filter screen 4010 has damaged, can also lift off annular compact heap 4011 and more renew first filter screen 4010, therefore, the great convenience is achieved.
In a specific embodiment of the invention: the automatic material conveying device is characterized in that the automatic material conveying component 5 capable of accurately feeding materials is arranged at the top of the stirring barrel 103, the automatic material conveying component 5 comprises a mounting frame 501, a plurality of storage tanks 502 are arranged on the mounting frame 501, weighing control components 503 which are used for weighing the storage tanks 502 and transmitting electric signals are arranged on the storage tanks 502, a material feeding valve 504 is arranged at the bottom of each storage tank 502, the material feeding valve 504 is electrically connected with the weighing control components 503, a material feeding pipe 505 is arranged at the bottom of each material feeding valve 504, and the lower end of each material feeding pipe 505 extends to the inside of the stirring barrel 103 after penetrating through the outer wall of the top of the.
By adopting the technical scheme, the weighing control component 503 can weigh the storage tank 502 and can generate an electric signal according to a preset value, the feeding pipe 505 is provided with the feeding valve 504, the feeding valve 504 is electrically connected with the weighing control component 503, when feeding is carried out, workers respectively place different raw materials in different storage tanks 502, the weighing control component 503 weighs the storage tank 502, the weighing control component 503 sets a mass difference on the weighing control component 503 according to the required mass of different raw materials, the feeding valve 504 is opened, the raw materials enter the stirring barrel 103 through the feeding pipe 505, when the corresponding mass difference of the raw materials is reached, the weighing control component 503 generates an electric signal and transmits the electric signal to the feeding valve 504, and the feeding valve 504 is closed to stop feeding, compared with the existing manual feeding, the structure can save a large amount of manpower, has high automation degree and simultaneously improves the feeding accuracy of the raw materials, further improving the quality of the product.
In a specific embodiment of the invention: the inside second filter screen 601 that is equipped with of filter vat 301, second filter screen 601 one side and filter vat 301 inner wall fixed connection, second filter screen 601 opposite side downward sloping setting, second filter screen 601 below is equipped with finished product storehouse 602, be formed with waste material groove 603 between one side that second filter screen 601 is located the below and the filter vat 301 inner wall, be equipped with circulating pipe 604 on the filter vat 301 outer wall, communicating with waste material groove 603 bottom behind circulating pipe 604 one end runs through filter vat 301 outer wall, be equipped with circulating pump 605 on the circulating pipe 604.
By adopting the technical scheme, the second filter screen 601 is arranged in the filter barrel 301, the mixture after high-speed stirring enters the filter barrel 301 through the feeding pipe 302, the mixture is contacted with the second filter screen 601, the mixture meeting the requirement passes through the second filter screen 601 and then enters the finished product bin 602 below the second filter screen 601, one side of the second filter screen 601 is fixedly connected with the inner wall of the filter barrel 301, the other side of the second filter screen 601 is arranged in a downward inclination manner, a waste material groove 603 is formed between one side of the second filter screen 601 below and the side wall of the filter barrel 301, the mixture not meeting the requirement falls into the waste material groove 603 along the second filter screen 601, the outer wall of the filter barrel 301 is provided with a circulating pipe 604, one end of the circulating pipe 604 is communicated with the bottom of the waste material groove 603, the circulating pipe 604 is provided with a circulating pump 605, one, start circulating pump 605 in the leading-in mixture, circulating pump 605 in time takes out the grinding machine to grind once more with the mixture that does not conform to the requirement in the waste chute 603, thereby avoid the mixture that does not conform to the requirement to pile up the back caking for a long time and influence production efficiency, compare with prior art, this structure has realized in time automatic leading-in to the grinding machine with the mixture that does not conform to the requirement, degree of automation is high, has improved holistic production efficiency.
In a specific embodiment of the invention: a clamping and lifting component for conveying the collecting barrel 307 from the conveyor belt 306 is arranged on one side of the conveyor belt 306, the clamping lifting component comprises a base 701, a rotating seat 702 is arranged above the base 701, the base 701 is rotatably connected with the rotary base 702 through a rotating shaft 703, the rotary base 702 is provided with a lifter 704, a lifting plate 705 is arranged at the upper end of the lifter 704, two limit posts 706 are arranged on the two sides of the lifter 704 and positioned on the rotating base 702, limit sliding grooves 707 are arranged on the side walls of the two limit posts 706 close to one side of the lifter 704 along the vertical direction, the two ends of the lifting plate 705 are respectively arranged in the two limit sliding grooves 707 in a sliding manner, the lifting plate 705 is provided with a vertical column 708, a hydraulic cylinder 709 is arranged on the side wall of one side of the upright column 708, a hydraulic rod 7010 is arranged at the output end of the hydraulic cylinder 709, one end of the hydraulic rod 7010, which is far away from the hydraulic cylinder 709, is provided with a clamping assembly 7011 for clamping the collecting barrel 307.
By adopting the technical scheme, the base 701 is rotatably connected with the rotating base 702 through the rotating shaft 703, the rotating base 702 is provided with the lifter 704, the lifter 704 is provided with the lifting plate 705, the lifting plate 705 is provided with the upright column 708, the side wall of one side of the upright column 708 is provided with the hydraulic cylinder 709, the output end of the hydraulic cylinder 709 is provided with the hydraulic rod 7010, one end of the hydraulic rod 7010 far away from the hydraulic cylinder 709 is provided with the clamping component 7011, two limiting columns 706 are arranged on two sides of the lifting plate 705 and positioned on the rotating base 702, the side wall of one side of the two limiting columns 706 close to the lifter 704 is provided with the limiting sliding chutes 707, two ends of the lifting plate 705 are respectively arranged in the two limiting sliding chutes 707 in a sliding manner, when in use, the lifter 704 drives the lifting plate 705 to rise to the same height with the conveyor belt 306, the hydraulic cylinder 709 works to extend the hydraulic rod 70, the work of pneumatic cylinder 709 makes hydraulic stem 7010 shrink until collecting vessel 307 is located the lifter plate 705, lifter 704 drives lifter plate 705 to descend to the minimum point this moment, it makes lifter plate 705 be close to one side of centre gripping subassembly 7011 and to face to the goods shelves to rotate roating seat 702, pneumatic cylinder 709, hydraulic stem 7010 and centre gripping subassembly 7011 cooperate jointly and place collecting vessel 307 on the goods shelves, lifter plate 705 rises and descends in-process both ends and slides from top to bottom in spacing spout 707, make the rising and the decline of lifter plate 705 more stable, compare with current manual handling, a large amount of manpowers can be practiced thrift to this structure, can also avoid appearing leading to collecting vessel 307 to fall to injure the phenomenon of workman because of the error.
In a specific embodiment of the invention: the inside jet pipe 801 that is equipped with of grinder, jet pipe 801 one end is equipped with a plurality of shower nozzle 802, shower nozzle 802 is towards first abrasive disc 203 and second abrasive disc 204, be equipped with cold air box 803 on the grinder outer wall, jet pipe 801 is kept away from one end of shower nozzle 802 and is run through behind the grinding incasement wall and communicate with cold air box 803, be equipped with air blast valve 804 between cold air box 803 and the jet pipe 801, be equipped with temperature sensor 805 on the grinding incasement wall, air blast valve 804 is connected with temperature sensor 805 electricity.
By adopting the technical scheme, an air injection pipe 801 is arranged in the grinder, a plurality of spray heads 802 are arranged at one end of the air injection pipe 801, the plurality of spray heads 802 face the first grinding disc 203, the second grinding disc 204 and other components, a cold air box 803 is arranged on the outer wall of the grinder, one end of the air injection pipe 801, which is far away from the spray heads 802, penetrates through the inner wall of the grinding box and then is communicated with the cold air box 803, an air injection valve 804 is arranged between the cold air box 803 and the air injection pipe 801, a temperature sensor 805 is arranged on the inner wall of the grinder, the air injection valve 804 is electrically connected with the temperature sensor 805, the first grinding disc 203 and the second grinding disc 204 generate heat during grinding, the temperature in the grinder rises, the temperature sensor 805 monitors the temperature in the grinder in real time, when the temperature of the grinder rises to a preset value, the temperature sensor 805 transmits an electric signal to the air injection, to grinding the inside part of mill cooling, after the temperature drops, temperature sensor 805 transmits another signal of telecommunication for air blast valve 804, and air blast valve 804 is closed, compares with prior art, and this structure can in time carry out cooling to grinding the mill, avoids appearing grinding the inside high temperature of machine and leads to stopping quick-witted radiating phenomenon, makes holistic production efficiency obtain improving.
In a specific embodiment of the invention: be equipped with the spacing subassembly that is used for avoiding collecting vessel 307 to rock on the conveyer belt 306, spacing subassembly includes that the symmetry establishes two stopper 902 on conveyer belt 306, one side that stopper 902 is close to collecting vessel 307 is the arc, closing cap ware 308 bottom surface is equipped with infrared emitter 901, collecting vessel 307 rear just is located and is equipped with fixed block 903 on the conveyer belt 306, be equipped with on the fixed block 903 and be used for the infrared receiver 904 that mutually supports with infrared emitter 901.
By adopting the technical scheme, the limiting component is arranged on the conveyor belt 306 and comprises two limiting blocks 902 symmetrically arranged on the conveyor belt 306, one side of the limiting block 902 close to the collecting barrel 307 is arc-shaped, so that the side wall of the limiting block 902 can be attached to the outer wall of the collecting barrel 307 to better play a limiting role, a fixing block 903 is arranged behind the collecting barrel 307 and on the conveyor belt 306, the fixing block 903 can limit the rear part of the outer wall of the collecting barrel 307, the bottom surface of the cover sealing device 308 is provided with an infrared emitter 901, the fixing block 903 is provided with an infrared receiver 904, the infrared receiver 904 can receive signals emitted by the infrared emitter 901, the conveyor belt 306 drives the collecting barrel 307 to approach the cover sealing device 308, when the infrared receiver 904 receives the signals emitted by the infrared emitter 901, the conveyor belt 306 stops conveying, the collecting barrel 307 is positioned below the cover sealing device 308, and the cover sealing and packaging are carried, compared with the prior art, the structure reduces the labor amount of workers, is accurate in alignment, and further improves the production efficiency of the PU printing ink.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A production process of PU printing ink comprises a dispersion machine, a grinding machine and a filtering and packaging machine, and is characterized in that: the method comprises the following steps:
(1) preparing materials and weighing: weighing 25-35 parts of water-soluble resin, 10-30 parts of pigment, 1-3 parts of auxiliary agent and 15-25 parts of water one by one according to parts by weight for later use.
(2) Stirring at a low speed: and starting the dispersion machine to stir at 150-250 revolutions per minute, and sequentially adding the prepared materials and the weighed water-soluble resin, pigment, auxiliary agent and water into the dispersion machine to stir for 20-40 minutes.
(3) Grinding and dispersing: and (3) transferring the mixture after low-speed stirring into a grinding machine for grinding and dispersing, wherein the grinding machine grinds for 4-5 times, and when the diameter of the mixed particles is 130-240 nm, the grinding and dispersing are finished.
(4) High-speed stirring: and transferring the mixture after grinding and dispersing into a dispersion machine, and starting the dispersion machine to stir for 30 minutes at 500-600 revolutions per minute.
(5) And (3) filtering and packaging: and (4) guiding the mixture uniformly stirred at the high speed into a filtering and packaging machine for filtering and packaging to obtain the PU printing ink product.
2. A production apparatus suitable for the production process of the PU ink according to claim 1, characterized in that: the dispersion machine comprises a frame, a lower support rod is arranged on the frame, an upper support rod is arranged above the lower support rod, the lower end of the upper support rod is movably arranged in the lower support rod, a cross beam is arranged at the upper end of the upper support rod, one end of the cross beam is rotatably connected with the upper end of the upper support rod, a driving motor is arranged on the cross beam, a stirring barrel is arranged on the frame, a transmission shaft is arranged in the stirring barrel, a plurality of stirring blades are arranged on the outer wall of the transmission shaft at intervals along the vertical direction, and the upper end of the transmission shaft upwards extends to the outside of the stirring barrel and then is.
3. The production apparatus for the production process of PU ink according to claim 2, wherein: the grinder comprises a grinder body, a feed port is arranged at the top of the grinder body, a grinding table is arranged inside the grinder body, a first grinding disc and a second grinding disc which are used for grinding materials are arranged on the grinding table, the first grinding disc and the second grinding disc are respectively connected with two rotating motors in opposite rotating directions in a transmission mode, a discharge pipe is arranged on the grinding table, one end, away from the grinding table, of the discharge pipe penetrates through the inner wall of the grinder body and then extends to the outside of the grinder body, and a discharge valve is arranged on the discharge pipe.
4. The production apparatus for the production process of PU ink according to claim 3, wherein: the filter packaging machine comprises a frame body, a filter vat is arranged on the frame body, an inlet pipe is arranged on the upper portion of the filter vat, a feeding pump is arranged on the inlet pipe, a discharge pipe is arranged at the bottom of the filter vat, a discharge valve is arranged on the discharge pipe, a conveyor belt is arranged below the filter vat, a collecting barrel is arranged on the conveyor belt, and a cover sealing device is arranged on one side, away from the filter vat, of the conveyor belt and located on the frame body.
5. The production apparatus for the production process of PU ink according to claim 4, wherein: the side wall of the stirring barrel is provided with a gas one-way valve for releasing pressure of the stirring barrel, the gas one-way valve comprises a valve body, a valve core and a spring, one end of the valve body penetrates through the side wall of the stirring barrel and then extends into the stirring barrel, a channel is arranged inside the valve body, the valve core is positioned in the channel, one side of the valve core, which is far away from the stirring barrel, is provided with a butting block, one end of the spring is fixedly connected with one side of the valve core, which is far away from the stirring barrel, and the other end of the spring is fixedly connected with the side wall, which is close to one side of the valve core, of the butting block, one end of the valve body, which is far away from the stirring barrel, is provided with a connecting cover, the inner wall of the connecting cover is provided with an internal thread, the, the valve body is provided with a through hole, the through hole is provided with a mounting groove on the inner wall, the mounting groove penetrates into the connecting cover towards one side close to the valve body, a first filter screen is arranged in the mounting groove, and an annular pressing block used for pressing the first filter screen is arranged on one side close to the valve body and in the mounting groove.
6. The production apparatus for the production process of PU ink according to claim 5, wherein: the automatic material conveying device is characterized in that an automatic material conveying assembly capable of accurately conveying materials is arranged at the top of the stirring barrel and comprises a mounting frame, a plurality of material storage tanks are arranged on the mounting frame, weighing control assemblies used for weighing the weight of the material storage tanks and transmitting electric signals are arranged on the material storage tanks, material conveying valves are arranged at the bottoms of the material storage tanks and electrically connected with the weighing control assemblies, material conveying pipes are arranged at the bottoms of the material conveying valves and extend to the inside of the stirring barrel after the lower ends of the material conveying pipes penetrate through the outer wall of the top of the stirring barrel.
7. The production apparatus for the production process of PU ink according to claim 6, wherein: the improved filter barrel is characterized in that a second filter screen is arranged inside the filter barrel, one side of the second filter screen is fixedly connected with the inner wall of the filter barrel, the other side of the second filter screen is arranged in a downward inclined mode, a finished product bin is arranged below the second filter screen, a waste material groove is formed between one side, located below, of the second filter screen and the inner wall of the filter barrel, a circulating pipe is arranged on the outer wall of the filter barrel, one end of the circulating pipe penetrates through the outer wall of the filter barrel and then is communicated with the bottom of the.
8. The production apparatus for the production process of PU ink according to claim 7, wherein: conveyer belt one side is equipped with and is used for carrying the centre gripping elevating assembly who gets off from the conveyer belt with the collecting vessel, centre gripping elevating assembly includes the base, the base top is equipped with the roating seat, rotate through the axis of rotation between base and the roating seat and be connected, be equipped with the riser on the roating seat, the riser upper end is equipped with the lifter plate, the riser both sides just are located and are equipped with two spacing posts on the roating seat, and two spacing posts are close to and all are equipped with spacing spout along vertical direction on the lateral wall of riser one side, the lifter plate both ends slide respectively and set up in two spacing spouts, be equipped with the stand on the lifter plate, be equipped with the pneumatic cylinder on the lateral wall of stand one side, the pneumatic cylinder output is equipped with the hydraulic stem, the one end that the.
9. The production apparatus for the production process of PU ink according to claim 8, wherein: the grinding machine is characterized in that an air injection pipe is arranged inside the grinding machine, one end of the air injection pipe is provided with a plurality of spray heads, the spray heads face a first grinding disc and a second grinding disc, a cold air box is arranged on the outer wall of the grinding machine, one end, far away from the spray heads, of the air injection pipe penetrates through the inner wall of the grinding box and then is communicated with the cold air box, an air injection valve is arranged between the cold air box and the air injection pipe, the inner wall of the grinding box is provided with a temperature sensor, and the air injection.
10. The production apparatus for the production process of PU ink according to claim 9, wherein: be equipped with the spacing subassembly that is used for avoiding the collecting vessel to rock on the conveyer belt, two stoppers on the conveyer belt are established including the symmetry to spacing subassembly, one side that the stopper is close to the collecting vessel is the arc, the closing cap ware bottom surface is equipped with infrared emitter, the collecting vessel rear just is located and is equipped with the fixed block on the conveyer belt, be equipped with on the fixed block and be used for the infrared receiver who mutually supports with infrared emitter.
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| CN202010395010.5A CN111393905A (en) | 2020-05-11 | 2020-05-11 | Production process and production equipment of PU (polyurethane) ink |
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| CN202010395010.5A CN111393905A (en) | 2020-05-11 | 2020-05-11 | Production process and production equipment of PU (polyurethane) ink |
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| CN111393905A true CN111393905A (en) | 2020-07-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112898820A (en) * | 2021-02-02 | 2021-06-04 | 叶文宽 | Production method and production system of printing ink for textile fabric, metal, ceramic, glass and plastic |
| CN112959830A (en) * | 2021-02-01 | 2021-06-15 | 叶文宽 | Production method and production system for adding ink to photosensitive seal and photosensitive ink pad |
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Application publication date: 20200710 |