CN111660411A - Jet dry particle printing production line capable of printing fine patterns - Google Patents
Jet dry particle printing production line capable of printing fine patterns Download PDFInfo
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- CN111660411A CN111660411A CN202010492122.2A CN202010492122A CN111660411A CN 111660411 A CN111660411 A CN 111660411A CN 202010492122 A CN202010492122 A CN 202010492122A CN 111660411 A CN111660411 A CN 111660411A
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- 239000002245 particle Substances 0.000 title claims abstract description 142
- 238000007639 printing Methods 0.000 title claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000003292 glue Substances 0.000 claims abstract description 35
- 239000011449 brick Substances 0.000 claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 77
- 238000007599 discharging Methods 0.000 claims description 45
- 239000000919 ceramic Substances 0.000 claims description 24
- 238000009434 installation Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 15
- 238000005192 partition Methods 0.000 claims description 11
- 238000004513 sizing Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 239000004744 fabric Substances 0.000 abstract description 8
- 239000008187 granular material Substances 0.000 description 12
- 238000009826 distribution Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000008188 pellet Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000005034 decoration Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007641 inkjet printing Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010020 roller printing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/001—Applying decorations on shaped articles, e.g. by painting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
- B28B11/06—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers with powdered or granular material, e.g. sanding of shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Ink Jet (AREA)
Abstract
The invention discloses an air-jet dry particle printing production line capable of printing fine patterns, which comprises a dry particle printer, a conveying belt and a feed back machine, wherein the dry particle printer comprises a blanking unit, an air supply unit, a glue applying unit and an adsorption unit, the glue applying unit, the blanking unit and the adsorption unit are sequentially arranged on the dry particle printer according to the conveying direction of the conveying belt, the feed end of the feed back machine is connected with the discharge end of the adsorption unit, and the discharge end of the feed back machine is connected with the feed end of the dry particle printer. The jet dry particle printing production line capable of printing fine patterns realizes printing type positioning cloth dry particles, can form complex patterns with fine lines on green bricks, and has continuous position points for printing the dry particles, continuous printed pattern lines, high resolution and clear and three-dimensional patterns.
Description
Technical Field
The invention relates to the technical field of ceramic production, in particular to an air-jet dry particle printing production line capable of printing fine patterns.
Background
In recent years, with the promotion of the accelerated development of urbanization and the high-end development of decoration and finishing requirements, the yield of ceramic tiles serving as wall and floor decoration materials is gradually increased. At present, the functions of ceramic tiles are developed towards diversification, the decoration effect of the ceramic tiles is more and more valued by consumers, and the ceramic tiles with single texture cannot meet the requirement of the consumers on personalized decoration. At present, the improvement of the decorative effect of ceramic tiles is realized, screen printing is used, a roller printing process is adopted, in order to improve the stereoscopic impression of the decorative effect, dry particles are also used for surface decoration of the ceramic tiles, the concrete operation is that glue is applied to the ceramic tiles according to pattern texture cloth and the dry particles are paved on the whole surface, finally, a suction device is used for adsorbing and recycling the dry particles which are not adhered to the glue, so that the surface decorative effect of the ceramic tiles is improved, the dry particles are paved and scattered in a large quantity in the current dry particle distribution system to cause dry particle waste, the production efficiency is reduced, the production cost is high, even if pattern distribution can be carried out, the pattern obtained by the distribution has low fineness, the problem of poor distribution accuracy is solved, and the definition and the stereoscopic effect of the.
Disclosure of Invention
The invention aims to provide an air-jet dry particle printing production line capable of printing fine patterns, which realizes printing type positioning of dry particles of cloth, can form complicated patterns with fine lines on a green brick, is continuous in position points of the printed dry particles, and can realize continuous lines, high resolution and clear and three-dimensional patterns.
In order to achieve the purpose, the invention adopts the following technical scheme:
an air-jet type dry particle printing production line capable of printing fine patterns comprises a dry particle printer, a conveying belt and a material returning machine, wherein the dry particle printer comprises a blanking unit, an air supply unit, a sizing unit and an adsorption unit, the dry particle printer is sequentially provided with the sizing unit, the blanking unit and the adsorption unit according to the conveying direction of the conveying belt, the feeding end of the material returning machine is connected with the discharging end of the adsorption unit, and the discharging end of the material returning machine is connected with the feeding end of the dry particle printer;
the glue applying unit is used for printing glue on a limited area of a ceramic green brick on the conveying belt, the blanking unit is used for printing dry particles on the limited area of the ceramic green brick on the conveying belt, which is printed with the glue, and the adsorbing unit is used for adsorbing the dry particles which are not adhered to the glue;
the unloading unit includes a plurality of unloading boxes that set up in the conveyer belt top side by side, and two adjacent unloading boxes paste mutually, the array orientation of unloading box with the direction of delivery of conveyer belt is perpendicular, its characterized in that:
a blanking hose is arranged at the center of the bottom of the blanking box and is communicated with the interior of the blanking box, the interior of the blanking box is uniformly divided into at least two blanking cavities by a partition plate along the longitudinal direction, and each blanking cavity is communicated with the blanking hose;
a blanking rack is arranged between the blanking unit and the conveying belt, the blanking ends of the blanking hoses are mounted on the blanking rack, the blanking hoses of all the blanking boxes are mounted on the blanking rack side by side, two adjacent blanking hoses are tightly attached, and the arrangement direction of the blanking hoses is vertical to the conveying direction of the conveying belt;
the air feed unit includes air supply unit and air inlet line, air supply unit to air inlet line carries compressed air, air inlet line is responsible for and many and the air inlet branch who admits air and be responsible for the intercommunication including admitting air the air inlet branch is equipped with the on-off control valve, each of blanking box each the unloading chamber through the air inlet branch with the intercommunication is responsible for in the air inlet, air inlet branch inserts for mouth of pipe slant ground the inner wall of blanking box.
Preferably, each air inlet branch pipe is further provided with a pressure regulating valve, and an air inlet of the pressure regulating valve is communicated with an air outlet of the switch control valve.
Preferably, the conveying speed of the conveying belt is 20-50 m/min, the air pressure of compressed air conveyed by the air source device is 0.2-0.8 Mpa, the air flow speed is 3-20 m/s, and the distance from the pipe orifice of the air inlet branch pipe to the bottom of the blanking box 1 is 1-3 cm.
Preferably, the discharging end of the discharging hose is connected with a discharging pipe, the discharging pipe is mounted on the discharging rack, the discharging pipe is made of a hard material, and a discharging port of the discharging pipe is cut into an oblique notch;
the diameter of the blanking hose is 2-4 mm.
Preferably, the blanking machine frame is provided with a blanking guide rail perpendicular to the conveying direction of the conveying belt, the blanking end of the blanking hose is slidably mounted on the blanking guide rail through a sleeved guide wheel, and the guide wheel is provided with a locking assembly.
Preferably, a plurality of longitudinal clamping grooves are uniformly formed in the inner wall of the blanking box, two ends of each clamping groove extend towards the upper end and the lower end of the blanking box, the side edges of the partition plates are inserted into the corresponding clamping grooves, and an air inlet communicated with an air inlet branch pipe is formed between every two adjacent clamping grooves;
the blanking box is also provided with sealing plugs for sealing the air inlets, the corresponding sealing plugs are opened at the air inlets communicated with the air inlet branch pipes in the blanking cavities of the blanking box, and the rest air inlets are sealed by the corresponding sealing plugs.
Preferably, the baffle includes mainboard and subplate, the middle part of subplate is equipped with the installation slot, the installation slot to the bottom of subplate extends, the notch of installation slot is seted up in the bottom of subplate, the side border of mainboard with the side border of subplate all inserts correspondingly in the draw-in groove, the subplate passes through the installation slot with the mainboard joint, the cell wall of installation slot with the mainboard pastes.
Preferably, the material returning machine comprises a material returning hopper, a feeding hopper, a material returning driving device, a first material returning fixing support and a second material returning fixing support, the feeding hopper is arranged below the material returning hopper, the material returning driving device is fixedly arranged at the top of the material returning hopper, a material returning opening is formed in one side, close to the top, of the material returning hopper, the material returning opening of the material returning hopper is connected with the discharging end of the adsorption unit of the dry particle printer, a feeding opening is formed in the bottom of the feeding hopper, and the feeding opening of the feeding hopper is connected with the feeding end of the dry particle printer;
the feed back hopper of the feed back machine is fixed on the first feed back fixed bolster, the bottom of the second feed back fixed bolster is connected with a plurality of rollers, the second feed back fixed bolster set up in the first feed back fixed bolster, the feed hopper of the feed back machine is fixed on the second feed back fixed bolster.
Preferably, the adsorption unit comprises a suction hood and a suction pipe, the suction hood is provided with a suction port, the suction pipe is connected with the suction port of the suction hood, and the suction pipe is connected with a return port of a return hopper of the material return machine;
the dry particle printer further comprises a dehumidifying unit, the two sides of the sizing unit are respectively provided with the dehumidifying unit, the dehumidifying unit comprises a dehumidifying cover and a dehumidifying pipe, the dehumidifying cover is provided with a dehumidifying opening, the dehumidifying pipe is connected with the dehumidifying opening of the dehumidifying cover, and the dehumidifying pipe is externally connected with a dehumidifying fan.
Preferably, the dry particle printer further comprises a feeding unit, wherein the feeding unit comprises a first feeding device, a second feeding device, a first feeding guide rail, a second feeding guide rail, a first feeding driving device and a second feeding driving device;
the first feeding device is arranged at one end of the first feeding guide rail and is positioned above the second feeding device, the second feeding device is slidably arranged on the first feeding guide rail, the first feeding driving device drives the second feeding device to reciprocate along the first feeding guide rail, the first feeding guide rail is slidably arranged on the second feeding guide rail, the second feeding driving device drives the first feeding guide rail to reciprocate along the second feeding guide rail, the second feeding guide rail is fixed on a rack of the dry particle printer and is positioned above a blanking box of the blanking unit, the length direction of the first feeding guide rail is the same as the arrangement direction of the blanking box, and the second feeding guide rail is vertical to the first feeding guide rail;
the top of first feedway is equipped with first feed opening, first feedway's bottom is equipped with first material conveying mouth, first feedway's first feed opening with the output of feed back machine is connected, second feedway's top is equipped with the second feed opening, first feedway's first material conveying mouth with second feedway's second feed opening phase-match, second feedway's bottom is equipped with second material conveying mouth, second feedway to the feed of the feed box of unloading unit.
Preferably, the automatic feeding device further comprises a pre-feeding belt, wherein the pre-feeding belt is arranged between the feeding unit and the conveying belt, the conveying direction of the pre-feeding belt is the same as the conveying direction of the conveying belt, and the conveying speed of the pre-feeding belt is the same as the conveying speed of the conveying belt.
Compared with the prior art, the invention has the following beneficial effects:
1. the jet dry particle printing production line capable of printing the fine patterns prints glue in a limited area of a ceramic tile blank through the glue applying unit, then the blanking unit prints dry particles in the limited area printed with the glue, the dry particles can be positioned in the limited area with the glue, then the dry particles which are not adhered to the glue are adsorbed through the adsorption unit, the feed end of the material returning machine is connected with the discharge end of the adsorption unit of the dry particle printer, the discharge end of the material returning machine is connected with the feed end of the dry particle printer, the dry particles which are not adhered to the glue are adsorbed and recovered, and then the recovered dry particles are fed to the feed end of the dry particle printer through the material returning machine, so that the recycling of the dry particles is realized, the production cost is effectively saved, the dry particle consumption is low, and the jet ink jet printing patterns are performed by using an ink jet printer in advance, compared with the method of applying glue to the pattern texture cloth and paving dry particles on the whole surface, the method has the advantages that the adsorption quantity of the dry particles is much less, and the waste of the dry particles is avoided.
2. And a plurality of blanking boxes of the blanking unit are arranged in parallel right above the conveying belt so as to print dry particles to the green bricks. Each blanking box is uniformly divided into a plurality of blanking cavities through a partition plate, and the same or incompletely same dry particles can be put into each blanking cavity according to production requirements; each blanking cavity is inserted with an air inlet branch pipe, and when the air inlet branch pipes spray air, dry particles of the corresponding blanking cavities are sprayed out from the blanking pipes under the driving of air flow and fall on green bricks of the conveying belt; each air inlet branch pipe is provided with a switch control valve, so that whether each blanking box is blanked or not can be controlled (namely, which position point is controlled to be blanked) and the blanking box to be blanked is which blanking cavity is blanked (namely, what type of dry particles are controlled to be blanked), the corresponding air inlet branch pipe is started to jet air only in the area where dry particles need to be distributed on a green brick in a plurality of blanking boxes which are arranged side by side during working, the blanking boxes corresponding to the area where the dry particles need not be distributed do not jet air, the working process is similar to ink-jet printing, and therefore printing type positioning of the dry particles can be achieved, fine-line complex patterns can be formed on the green brick, the efficiency of dry particle positioning distribution and the accuracy of distribution are effectively improved, the control is easy, and the equipment is simple; different from a plurality of blanking units which are arranged in the front and back direction along the conveying direction of the green bricks, a plurality of dry particle printing stations are not required to be arranged, and the green bricks can pass through one dry particle printing station, so that the production speed of the ceramic tiles is improved.
3. The blanking box adopts the unloading hose to can overcome the influence of gap between the blanking box to printing continuity, all the unloading end of the unloading hose of blanking box can hug closely each other and arrange in parallel on the unloading frame, thereby the position point of printable dry grain is continuous, rather than discrete, improves the fineness that dry grain printed widely, and the pattern lines of printing out can be continuous, and resolution ratio is high, and the thickness of lines is steerable below 5 mm. And because the dry particles are not easy to agglomerate and dry and are not sticky, the dry particles are not accumulated in a bent blanking hose and can be completely output along with the air flow.
Drawings
The drawings are further illustrative of the invention and the content of the drawings does not constitute any limitation of the invention.
FIG. 1 is a block diagram of an air jet dry particle printing line in accordance with one embodiment of the present invention;
FIG. 2 is a left side view of a dry particle printer in accordance with one embodiment of the present invention
FIG. 3 is a front view of a blanking unit according to one embodiment of the present invention;
FIG. 4 is a view of the inside of the blanking box according to one embodiment of the present invention;
FIG. 5 is a top view of the interior of the blanking box according to one embodiment of the present invention;
FIG. 6 is another top view structural diagram of the interior of the blanking box according to one embodiment of the present invention;
FIG. 7 is a construction of a subplate according to one embodiment of the invention;
FIG. 8 is a block diagram of a feed back machine in accordance with one embodiment of the present invention;
FIG. 9 is a schematic diagram of a feed unit according to one embodiment of the present invention;
fig. 10 is a diagram of a pre-blanking belt structure according to one embodiment of the present invention.
Wherein: a dry pellet printer 10; a blanking box 1; a blanking hose 11; a chamfered notch 111; a discharge pipe 112; a separator 12; a blanking chamber 13; a main board 121; the sub-plate 122; a mounting slot 123; a card slot 14; an air inlet 15; a pre-blanking belt 16; a gas source device 2; an air intake line 3; a main intake pipe 31; an intake branch pipe 32; an on-off control valve 33; a pressure regulating valve 34; a conveyor belt 4; a blanking frame 41; a material returning machine 5; a return hopper 51; a feed back port 511; a feed hopper 52; a feed port 521; a feed-back drive device 53; a first return fixing bracket 54; a second feed back fixing bracket 55; a roller 551; a sizing unit 6; an adsorption unit 7; a suction hood 71; a suction port 72; a dehumidifying unit 8; a dehumidifying cover 81; a moisture extraction tube 82; a moisture extraction port 811; a first supply device 91; a first feedwell 911; a first material delivery port 912; a second supply device 92; the second feed port 921; a second material delivery port 922; a first feed rail 93; a first feed drive 94.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 9, the jet dry particle printing production line capable of printing fine patterns of the embodiment includes a dry particle printer 10, a conveyor belt 4 and a material returning machine 5, wherein the dry particle printer 10 includes a blanking unit, an air supply unit, a sizing unit 6 and an adsorption unit 7, the dry particle printer 10 is sequentially provided with the sizing unit 6, the blanking unit and the adsorption unit 7 according to a conveying direction of the conveyor belt 4, a feeding end of the material returning machine 5 is connected with a discharging end of the adsorption unit 7, and a discharging end of the material returning machine 5 is connected with a feeding end of the dry particle printer 10;
the glue applying unit 6 is used for printing glue on a limited area of the ceramic green bricks on the conveying belt 4, the blanking unit is used for printing dry granules on the limited area of the ceramic green bricks on the conveying belt 4 printed with the glue, and the adsorbing unit 7 is used for adsorbing the dry granules which are not adhered to the glue;
the unloading unit includes a plurality of lower magazine 1 that set up side by side in 4 tops of conveyer belt, and two adjacent lower magazine 1 paste mutually, the array orientation of lower magazine 1 with the direction of delivery of conveyer belt 4 is perpendicular, its characterized in that:
a blanking hose 11 is arranged at the center of the bottom of the blanking box 1, the blanking hose 11 is communicated with the interior of the blanking box 1, the interior of the blanking box 1 is uniformly divided into at least two blanking cavities 13 by a partition plate 12 along the longitudinal direction, and each blanking cavity 13 is communicated with the blanking hose 11;
a blanking rack 41 is arranged between the blanking unit and the conveying belt 4, the blanking ends of the blanking hoses 11 are mounted on the blanking rack 41, the blanking hoses 11 of all the blanking boxes 1 are mounted on the blanking rack 41 side by side, two adjacent blanking hoses 11 are tightly attached, and the arrangement direction of the blanking hoses 11 is vertical to the conveying direction of the conveying belt 4;
the air feed unit includes air supply unit 2 and air inlet pipeline 3, air supply unit 2 to air inlet pipeline 3 carries compressed air, air inlet pipeline 3 is responsible for 31 and many and the air inlet branch 32 of 31 intercommunications of air inlet main pipe including the air inlet, each air inlet branch 32 is equipped with on-off control valve 33, each of blanking box 1 each blanking chamber 13 through air inlet branch 32 with the air inlet is responsible for 31 intercommunications, air inlet branch 32 inserts for mouth of pipe slant ground blanking box 1's inner wall.
The jet dry particle printing production line capable of printing fine patterns prints glue in a limited area of a ceramic brick blank through the glue applying unit 6, then the blanking unit prints dry particles in the limited area printed with the glue on the ceramic brick blank, the dry particles can be positioned in the limited area with the glue, then the dry particles which are not adhered to the glue are adsorbed through the adsorption unit 7, the feeding end of the material returning machine 5 is connected with the discharging end of the adsorption unit 7 of the dry particle printer 10, the discharging end of the material returning machine 5 is connected with the feeding end of the dry particle printer 10, the dry particles which are not adhered to the glue are adsorbed and recovered, and then the recovered dry particles are re-fed to the feeding end of the dry particle printer 10 through the material returning machine 5, so that the recycling of the dry particles is realized, the production cost is effectively saved, the dry particle loss is low, and the pattern is printed by an ink jet printer which is used in advance, compared with the method of applying glue to the pattern texture cloth and paving dry particles on the whole surface, the method has the advantages that the adsorption quantity of the dry particles is much less, and the waste of the dry particles is avoided.
And a plurality of blanking boxes 1 of the blanking unit are arranged in parallel right above the conveying belt 4 so as to print dry particles to the green bricks. Each blanking box 1 is uniformly divided into a plurality of blanking cavities 13 through partition plates 12, and the same or incompletely same dry particles can be put into each blanking cavity 13 according to production requirements; each blanking cavity 13 is inserted with an air inlet branch pipe 32, and when the air inlet branch pipe 32 injects air, dry particles of the corresponding blanking cavity 13 are ejected from the blanking pipe 11 under the driving of air flow and fall on green bricks of the conveying belt 4; each air inlet branch pipe 32 is provided with a switch control valve 33, so that whether each blanking box 1 is blanked (namely, which position point is controlled to be blanked) and which blanking box 1 to be blanked is which blanking cavity 13 is blanked (namely, what type of dry particle is controlled to be blanked), the corresponding air inlet branch pipe 32 is started to eject air only in the area of the blanking box 1 which needs to distribute the dry particles on the green brick during working, the blanking box 1 which corresponds to the area of the distribution dry particles is not ejected, the working process is similar to inkjet printing, and therefore printing type positioning of the dry particles of the cloth is achieved, fine complex patterns can be formed on the green brick, the efficiency of the dry particle positioning cloth and the accuracy of the cloth are effectively improved, the control is easy, and the equipment is simple; different from a plurality of blanking units which are arranged in the front and back direction along the conveying direction of the green bricks, a plurality of dry particle printing stations are not required to be arranged, and the green bricks can pass through one dry particle printing station, so that the production speed of the ceramic tiles is improved.
The blanking box 1 adopts the blanking hose 11, thereby can overcome the influence of the gap between the blanking box 1 to the printing continuity, all the blanking ends of the blanking hose 11 of the blanking box 1 can be arranged on the blanking frame 41 closely and side by side, thereby the position points of the printable dry granules are continuous rather than discrete, the printing fineness of the dry granules is greatly improved, the printed pattern lines can be continuous, the resolution ratio is high, and the thickness of the lines can be controlled below 5 mm. And because the dry particles are not easy to agglomerate and dry and are not sticky, the dry particles are not accumulated in the bent blanking hose 11 and can be completely output along with the air flow.
Preferably, each of the inlet branch pipes 32 is further provided with a pressure regulating valve 34, and an inlet of the pressure regulating valve 34 is communicated with an outlet of the on-off control valve 33.
Because the bending degrees of the blanking hoses 11 of each blanking box 1 are not completely the same, the consistency of blanking time can be affected, and further the blanking position of dry granules deviates, and the larger the air pressure is, the larger the flow rate of the compressed air is, the larger the blanking speed of the dry granules stored in the blanking cavity 13 of the blanking box 451 under the action of the air flow of the air inlet branch pipe 32 is, so that the air pressure of the corresponding air inlet branch pipe 32 can be adjusted by the pressure adjusting valve 34, so that all blanking boxes 1 can synchronously blank, and the accuracy of dry granule positioning printing can be improved.
Preferably, the conveying speed of the conveying belt 4 is 20-50 m/min, the air pressure of the compressed air conveyed by the air source device 2 is 0.2-0.8 Mpa, the air flow speed is 3-20 m/s, and the distance from the pipe orifice of the air inlet branch pipe 32 to the bottom of the blanking box 1 is 1-3 cm.
The conveying speed (namely the green brick moving speed) of the conveying belt 4 and the air flow speed (namely the blanking speed) of the compressed air are matched with each other, so that dry granules can be continuously printed on green bricks along the conveying direction of the conveying belt 4, and the phenomena of vacancy and the like are avoided.
When the pressure and the flow rate of the compressed air delivered by the air source device 2 are higher, the flow rate of the compressed air is higher, the blanking speed of the dry granules stored in the blanking cavity 13 of the blanking box 1 under the action of the airflow of the air inlet branch pipe 32 is higher, the efficiency and the accuracy of dry granule positioning and distributing are effectively improved, and when the pressure and the flow rate of the compressed air delivered by the air source device 2 exceed a limited range, the dry granules are easy to splash after being sprayed out of the blanking pipe 11 under the action of larger airflow, so that the pattern effect of the dry granule positioning and distributing is influenced;
the response speed of the switch control valve 33 is preferably 0.01s, the control of the blanking of the dry particles in the blanking boxes 1 can be quickly responded, and the accuracy of the positioning and distributing of the dry particles is effectively improved.
The distance from the pipe opening of the air inlet branch pipe 32 to the bottom of the blanking box 1 is 1-3 cm, the distance is suitable, if the distance is smaller than the range, dry particles are easy to splash or damage green bricks, and if the distance is larger than the range, the dry particles are easy to deviate from the blanking position due to external factors.
Preferably, the discharging pipe 112 is connected to the discharging end of the discharging hose 11, the discharging pipe 112 is mounted on the discharging frame 41, the discharging pipe 112 is made of a hard material, and the discharging port of the discharging pipe 112 is cut into an oblique notch 111;
the diameter of the blanking hose 11 is 2-4 mm.
The discharging pipe 112 made of hard materials can be additionally arranged at the discharging end of the discharging hose 11, so that the service life can be prolonged, and the discharging pipe 112 made of hard materials is more stable and cannot shake when air flow is output.
The discharging pipe 112 releases part of air pressure in advance through the inclined notch 111, so that the pressure of compressed air output from the discharging hose 11 is greatly reduced, dry particle discharging is guided to a preset position, and meanwhile, the phenomenon that dry particles splash or green bricks are damaged due to overlarge air pressure during discharging is avoided. Since there may be very few dry pellets that may fall obliquely downward during pressure relief, rather than vertically, the opening of the oblique cut 111 is preferably oriented in the conveying direction of the conveyor belt 4 to avoid that the obliquely falling dry pellets spill over areas where no dry pellet printing is started, and to reduce the effect of these obliquely falling dry pellets on the printed image.
The maximum particle size of the dry particles is about 1mm, the diameter of the discharging pipe 11 is 2-4 mm, and therefore when the dry particles enter the discharging hose 11 in the discharging cavity 13, due to friction among the dry particles, discharging is difficult simply by gravity, and the dry particles cannot be discharged to the discharging hose 11 from the discharging cavity 13 when air is not sprayed; moreover, all the blanking cavities 13 of the blanking box 1 are converged to the same blanking hose 11 for blanking, and one of the blanking cavities 13 is pushed by compressed air to carry out blanking, so that the pressure of the compressed air can be applied to operate on different air inlet branch pipes 32 to achieve the purpose of virtual switching, namely one of the blanking cavities 13 of the blanking box 1 is kept for blanking forever, and meanwhile, the air flow entering the blanking hose 11 downwards generates an acting force for blocking dry particles from sliding downwards on the other blanking cavities 13, so that the dry particle distribution is finally ensured not to exist at the position where the dry particles are not required to be distributed.
Preferably, the blanking frame 41 is provided with a blanking guide rail perpendicular to the conveying direction of the conveying belt 4, the blanking end of the blanking hose 11 is slidably mounted on the blanking guide rail through a sleeved guide wheel, and the guide wheel is provided with a locking assembly.
The blanking end of each blanking hose 11 slides on the blanking guide rail of the blanking frame 41 through a guide wheel, so that the blanking position of each blanking hose 11 can be adjusted, the blanking hoses 11 are mutually attached, and the blanking hoses 11 can be arranged in groups and in regions according to the size and pattern distribution of green bricks, so that the flexibility and the universality of equipment are improved, and the dry particle printing device is suitable for dry particle printing of large-size green bricks.
Preferably, a plurality of longitudinal clamping grooves 14 are uniformly formed in the inner wall of the blanking box 1, two ends of each clamping groove 14 extend towards the upper end and the lower end of the blanking box 1, the side edge of each partition plate 12 is inserted into the corresponding clamping groove 14, and an air inlet 15 for communicating with an air inlet branch pipe 32 is formed between every two adjacent clamping grooves 14;
the blanking box 1 is further provided with sealing plugs for sealing the air inlets 15, the air inlets 15 in the blanking cavities 13 of the blanking box 1, which are communicated with the air inlet branch pipes 32, are opened with the corresponding sealing plugs, and the rest of the air inlets 15 are sealed by the corresponding sealing plugs.
The inner wall of the blanking box 1 is uniformly provided with a plurality of longitudinal clamping grooves 14, so that the partition plates 12 are movably mounted, the number of the blanking cavities 13 can be controlled by controlling the mounting number and the mounting positions of the partition plates 12 according to production requirements, and the blanking box is more flexible and universal. The blanking box 1 is in a bucket shape. An air inlet 15 used for being communicated with the air inlet branch pipe 32 is arranged between two adjacent clamping grooves 14, so that a plurality of air inlets 15 are possibly arranged in one blanking cavity 13, but only one air inlet branch pipe 32 is needed, and therefore the rest air inlets 15 need to be sealed by sealing plugs.
Preferably, the partition board 12 includes a main board 121 and an auxiliary board 122, an installation slot 123 is arranged in the middle of the auxiliary board 122, the installation slot 123 extends to the bottom of the auxiliary board 122, a notch of the installation slot 123 is opened in the bottom of the auxiliary board 122, a side edge of the main board 121 and a side edge of the auxiliary board 122 are inserted into the corresponding slot 14, the auxiliary board 122 passes through the installation slot 123 and the main board 121, a slot wall of the installation slot 123 and the main board 121 are attached to each other.
Set up mainboard 121 and subplate 122 to constitute the baffle 12 of combination formula, it is more nimble than the baffle 12 of integral type, reduction equipment cost, subplate 122 passes through installation slot 123 with mainboard 121 joint, the installation is simple swift, is similar to building blocks concatenation.
Preferably, the mounting slot 123 of the sub-board 122 is wrapped with a sealing strip to improve the sealing property and prevent dry particles from leaking out from the gap between the main board 121 and the sub-board 122.
Preferably, the material returning machine 5 comprises a material returning hopper 51, a material feeding hopper 52, a material returning driving device 53, a first material returning fixing support 54 and a second material returning fixing support 55, wherein the material feeding hopper 52 is arranged below the material returning hopper 51, the material returning driving device 53 is fixedly installed at the top of the material returning hopper 51, a material returning opening 511 is arranged at one side of the material returning hopper 51 close to the top, the material returning opening 511 of the material returning hopper 51 is connected with the discharging end of the adsorption unit 7 of the dry particle printer 10, a material feeding opening 521 is arranged at the bottom of the material feeding hopper 52, and the material feeding opening 521 of the material feeding hopper 52 is connected with the material feeding end of the dry particle printer 10;
the material returning hopper 51 of the material returning machine 5 is fixed on the first material returning fixing support 54, the bottom of the second material returning fixing support 55 is connected with a plurality of rollers 551, the second material returning fixing support 55 is arranged in the first material returning fixing support 54, and the material feeding hopper 52 of the material returning machine 5 is fixed on the second material returning fixing support 55.
The feeding back machine 5 absorbs the dry particles which are not adhered to the glue printed by the glue applying unit 6 to the feeding back hopper 51, and then the dry particles are fed to the dry particle printer 10 through the feeding hopper 52, so that the recovery and the reutilization of the dry particles are completed, the loss of the dry particles in the ceramic tile decoration process is effectively reduced, and the production cost is reduced.
The first feed back fixing support 54 is arranged, the feed back hopper 51 of the feed back machine 5 is fixed to the first feed back fixing support 54, the first feed back fixing support 54 plays a role of fixing and supporting the feed back hopper 51 of the feed back machine 5, the feed back stability of the feed back hopper 51 of the feed back machine 5 is improved, in addition, the second feed back fixing support 55 is arranged, the bottom of the second feed back fixing support 55 is connected with a plurality of rollers 551, the feed hopper 52 of the feed back machine 5 is fixed to the second feed back fixing support 55, and when the dry particle feed back quantity of the feed back hopper 51 of the feed back machine 5 is insufficient, the feed hopper 52 of the feed back machine 5 can be pulled out of the first feed back fixing support 54 to feed back the feed hopper 52 of the feed back machine 5.
Preferably, the adsorption unit 7 comprises a suction hood 71 and a suction pipe, the suction hood 71 is provided with a suction port 72, the suction pipe is connected with the suction port 72 of the suction hood 71, and the suction pipe is connected with a return port 511 of the return hopper 51 of the material return machine 5;
By arranging the suction hood 71 and the suction pipe, the suction pipe is connected with the feed back port 511 of the feed back hopper 51 of the feed back machine 5, and after the adsorption unit 7 finishes adsorbing the dry particles of the glue which is not adhered to the glue applying unit 6 for printing, the adsorbed dry particles can be recovered to the feed back machine 5.
When the dry pellets in the discharge chambers 13 of the discharge box 1 are not completely the same, the original dry pellets in the feeding back machine 5 need to be emptied if the printing of other dry pellets is changed.
It is through setting up to take out wet unit 8 take out wet pipe 82, just take out wet pipe 82 and be external to have a take out wet fan, can realize right the quick absorption of the steam of the glue evaporation that glueing unit 6 printed is through setting up take out wet cover 81, improve take out the stability of wet pipe 82 when adsorbing steam, and can not influence when guaranteeing to adsorb unloading unit location prints dry grain.
Preferably, the dry particle printer 10 further comprises a feeding unit, wherein the feeding unit comprises a first feeding device 91, a second feeding device 92, a first feeding guide rail 93, a second feeding guide rail, a first feeding driving device 94 and a second feeding driving device;
the first feeding device 91 is disposed at one end of the first feeding rail 93 above the second feeding device 92, the second feed means 92 is slidably mounted to the first feed rail 93, and the first feed drive means 94 drives the second feed means 92 to reciprocate along the first feed rail 93, the first feed rail 93 is slidably mounted on a second feed rail, the second feed driving device drives the first feed rail 93 to reciprocate along the second feed rail, the second feed rail is fixed on the frame of the dry particle printer 10, the second feeding guide rail is positioned above the blanking box 1 of the blanking unit, the length direction of the first feeding guide rail 93 is the same as the arrangement direction of the blanking box 1, and the second feeding guide rail is vertical to the first feeding guide rail 93;
The first feeding device 91 feeds materials to the second feeding device 92, and then the second feeding device 92 feeds materials to the blanking box 1 of the blanking unit, so that the feeding stability can be effectively improved. The second material supplying device 92 reciprocates in the arrangement direction of the lower magazine 1, and the second material supplying device 92 finishes supplying material to the lower magazine 1 when moving above the lower magazine 1. It should be noted that the feeding unit only feeds one blanking cavity 13 of each blanking box 1 each time, that is, feeds the blanking cavity 13 at the same position of the next blanking box 1 after feeding the blanking cavity 13 of one blanking box 1, and when feeding to other blanking cavities 13 is needed, the position of the first feeding guide rail 93 on the second feeding guide rail needs to be adjusted to make the second material conveying opening 922 of the second feeding device 92 align with the blanking cavities 13 to be fed at other positions. If the types of the dry particles in the next feeding cavity 13 to be fed are different, the original dry particles in the feeding unit need to be emptied, and the corresponding dry particles need to be replaced.
Preferably, as shown in fig. 10, the blanking device further includes a pre-blanking belt 16, the pre-blanking belt 16 is disposed between the blanking unit and the conveying belt 4, a conveying direction of the pre-blanking belt 16 is the same as a conveying direction of the conveying belt 4, and a conveying speed of the pre-blanking belt 16 is the same as a conveying speed of the conveying belt 4.
By arranging the pre-blanking belt 16, the blanking unit can print a designed pattern to the pre-blanking belt 16 in advance, and the pre-blanking belt 16 is still; when the ceramic green bricks are conveyed to the position below the pre-blanking belt 16 through the conveying belt 4, the pre-blanking belt 16 is started to transfer the dry grain patterns printed in advance to the surfaces of the ceramic green brick bricks, so that the dry grain printing efficiency is greatly improved. The conveying direction of the pre-blanking belt 16 is the same as that of the conveying belt 4, and the conveying speed of the pre-blanking belt 16 is the same as that of the conveying belt 4, so that the pattern dry grains are transferred to the surface of the ceramic green brick at the same speed.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (11)
1. The utility model provides a printable fine pattern's jet-propelled dry grain printing production line which characterized in that: the dry particle printer comprises a blanking unit, an air supply unit, a sizing unit and an adsorption unit, wherein the sizing unit, the blanking unit and the adsorption unit are sequentially arranged in the dry particle printer according to the conveying direction of the conveying belt;
the glue applying unit is used for printing glue on a limited area of a ceramic green brick on the conveying belt, the blanking unit is used for printing dry particles on the limited area of the ceramic green brick on the conveying belt, which is printed with the glue, and the adsorbing unit is used for adsorbing the dry particles which are not adhered to the glue;
the unloading unit includes a plurality of unloading boxes that set up in the conveyer belt top side by side, and two adjacent unloading boxes paste mutually, the array orientation of unloading box with the direction of delivery of conveyer belt is perpendicular, its characterized in that:
a blanking hose is arranged at the center of the bottom of the blanking box and is communicated with the interior of the blanking box, the interior of the blanking box is uniformly divided into at least two blanking cavities by a partition plate along the longitudinal direction, and each blanking cavity is communicated with the blanking hose;
a blanking rack is arranged between the blanking unit and the conveying belt, the blanking ends of the blanking hoses are mounted on the blanking rack, the blanking hoses of all the blanking boxes are mounted on the blanking rack side by side, two adjacent blanking hoses are tightly attached, and the arrangement direction of the blanking hoses is vertical to the conveying direction of the conveying belt;
the air feed unit includes air supply unit and air inlet line, air supply unit to air inlet line carries compressed air, air inlet line is responsible for and many and the air inlet branch who admits air and be responsible for the intercommunication including admitting air the air inlet branch is equipped with the on-off control valve, each of blanking box each the unloading chamber through the air inlet branch with the intercommunication is responsible for in the air inlet, air inlet branch inserts for mouth of pipe slant ground the inner wall of blanking box.
2. The printable fine pattern jet dry particle printing line of claim 1, wherein: each air inlet branch pipe is also provided with a pressure regulating valve, and an air inlet of the pressure regulating valve is communicated with an air outlet of the switch control valve.
3. The printable fine pattern jet dry particle printing line of claim 1, wherein:
the conveying speed of the conveying belt is 20-50 m/min, the air pressure of compressed air conveyed by the air source device is 0.2-0.8 Mpa, the air flow speed is 3-20 m/s, and the distance from the pipe orifice of the air inlet branch pipe to the bottom of the blanking box 1 is 1-3 cm.
4. The printable fine pattern jet dry particle printing line of claim 1, wherein: the discharging end of the discharging hose is connected with a discharging pipe, the discharging pipe is arranged on the discharging rack and is made of a hard material, and a discharging port of the discharging pipe is cut into an oblique notch;
the diameter of the blanking hose is 2-4 mm.
5. The printable fine pattern jet dry particle printing line of claim 1, wherein: the blanking machine frame is provided with a blanking guide rail perpendicular to the conveying direction of the conveying belt, the blanking end of the blanking hose is slidably mounted on the blanking guide rail through a sleeved guide wheel, and the guide wheel is provided with a locking assembly.
6. The printable fine pattern jet dry particle printing line of claim 1, wherein: a plurality of longitudinal clamping grooves are uniformly formed in the inner wall of the blanking box, two ends of each clamping groove extend to the upper end and the lower end of the blanking box, the side edge of each partition plate is inserted into the corresponding clamping groove, and an air inlet communicated with an air inlet branch pipe is formed between every two adjacent clamping grooves;
the blanking box is also provided with sealing plugs for sealing the air inlets, the corresponding sealing plugs are opened at the air inlets communicated with the air inlet branch pipes in the blanking cavities of the blanking box, and the rest air inlets are sealed by the corresponding sealing plugs.
7. The printable fine pattern jet dry particle printing line of claim 6, wherein: the baffle includes mainboard and subplate, the middle part of subplate is equipped with the installation slot, the installation slot to the bottom of subplate extends, the notch of installation slot is seted up in the bottom of subplate, the side border of mainboard with the side border of subplate all inserts correspondingly in the draw-in groove, the subplate passes through the installation slot with the mainboard joint, the cell wall of installation slot with the mainboard pastes.
8. The printable fine pattern jet dry particle printing line of claim 1, wherein: the feeding hopper is arranged below the feeding hopper, the feeding driving device is fixedly mounted at the top of the feeding hopper, a feeding hole is formed in one side, close to the top, of the feeding hopper, the feeding hole of the feeding hopper is connected with the discharge end of the adsorption unit of the dry particle printer, a feeding hole is formed in the bottom of the feeding hopper, and the feeding hole of the feeding hopper is connected with the feeding end of the dry particle printer;
the feed back hopper of the feed back machine is fixed on the first feed back fixed bolster, the bottom of the second feed back fixed bolster is connected with a plurality of rollers, the second feed back fixed bolster set up in the first feed back fixed bolster, the feed hopper of the feed back machine is fixed on the second feed back fixed bolster.
9. The printable fine pattern jet dry particle printing line of claim 8, wherein:
the adsorption unit comprises a suction hood and a suction pipe, the suction hood is provided with a suction port, the suction pipe is connected with the suction port of the suction hood, and the suction pipe is connected with a feed back port of a feed back hopper of the feed back machine;
the dry particle printer further comprises a dehumidifying unit, the two sides of the sizing unit are respectively provided with the dehumidifying unit, the dehumidifying unit comprises a dehumidifying cover and a dehumidifying pipe, the dehumidifying cover is provided with a dehumidifying opening, the dehumidifying pipe is connected with the dehumidifying opening of the dehumidifying cover, and the dehumidifying pipe is externally connected with a dehumidifying fan.
10. The printable fine pattern jet dry particle printing line of claim 1, wherein:
the dry particle printer further comprises a feeding unit, wherein the feeding unit comprises a first feeding device, a second feeding device, a first feeding guide rail, a second feeding guide rail, a first feeding driving device and a second feeding driving device;
the first feeding device is arranged at one end of the first feeding guide rail and is positioned above the second feeding device, the second feeding device is slidably arranged on the first feeding guide rail, the first feeding driving device drives the second feeding device to reciprocate along the first feeding guide rail, the first feeding guide rail is slidably arranged on the second feeding guide rail, the second feeding driving device drives the first feeding guide rail to reciprocate along the second feeding guide rail, the second feeding guide rail is fixed on a rack of the dry particle printer and is positioned above a blanking box of the blanking unit, the length direction of the first feeding guide rail is the same as the arrangement direction of the blanking box, and the second feeding guide rail is vertical to the first feeding guide rail;
the top of first feedway is equipped with first feed opening, first feedway's bottom is equipped with first material conveying mouth, first feedway's first feed opening with the output of feed back machine is connected, second feedway's top is equipped with the second feed opening, first feedway's first material conveying mouth with second feedway's second feed opening phase-match, second feedway's bottom is equipped with second material conveying mouth, second feedway to the feed of the feed box of unloading unit.
11. The printable fine pattern jet dry particle printing line of claim 1, wherein: still include the unloading belt in advance, the unloading belt in advance set up in the unloading unit with between the conveyer belt, just the direction of delivery of unloading belt in advance with the direction of delivery of conveyer belt is the same, the conveying speed of unloading belt in advance with the conveying speed of conveyer belt is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010492122.2A CN111660411A (en) | 2020-06-03 | 2020-06-03 | Jet dry particle printing production line capable of printing fine patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010492122.2A CN111660411A (en) | 2020-06-03 | 2020-06-03 | Jet dry particle printing production line capable of printing fine patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111660411A true CN111660411A (en) | 2020-09-15 |
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ID=72385594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010492122.2A Pending CN111660411A (en) | 2020-06-03 | 2020-06-03 | Jet dry particle printing production line capable of printing fine patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111660411A (en) |
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2020
- 2020-06-03 CN CN202010492122.2A patent/CN111660411A/en active Pending
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