CN209971550U - Curtain coating type 3D printing equipment - Google Patents

Curtain coating type 3D printing equipment Download PDF

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Publication number
CN209971550U
CN209971550U CN201920234304.2U CN201920234304U CN209971550U CN 209971550 U CN209971550 U CN 209971550U CN 201920234304 U CN201920234304 U CN 201920234304U CN 209971550 U CN209971550 U CN 209971550U
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curtain coating
plate
printing
fixed
slit
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CN201920234304.2U
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Chinese (zh)
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李一奇
许伟文
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Jh Tech Electronic (guangzhou) Ltd
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Jh Tech Electronic (guangzhou) Ltd
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Abstract

The utility model provides a formula 3D printing apparatus drenches to scribble, it includes: the coating mechanism comprises a spray coating nozzle and a driving device for driving the spray coating nozzle to move; the curtain coating nozzle comprises a curtain coating cavity, the curtain coating cavity is of a cavity structure, a feeding hole for introducing printing raw materials is formed in the side face of the curtain coating cavity, a slit is formed at the bottom of the curtain coating cavity, and the printing raw materials in the curtain coating cavity are uniformly sprayed out of the slit and are sprayed on the screen plate; the driving device is arranged on the top seat; and the printing mechanism is used for driving the screen plate to move up and down and driving the laser module unit to emit laser with preset wavelength. The utility model discloses in, coating mechanism realizes printing the drenching of raw and other materials and scribbles, drenches the back of scribbling, does not need the scraper to strike off, directly prints, has reduced the time compartment that every layer of printed matter printed, strengthens the adhesion properties between every layer of printed matter, simultaneously, has greatly improved printing efficiency, has extensive market perspective.

Description

Curtain coating type 3D printing equipment
Technical Field
The utility model relates to a formula 3D printing apparatus drenches to scribble.
Background
3D printing is a rapid printing and forming technology, and at present, the 3D printing technology is popularized in industrial production and manufacturing; the product is highly integrated with digital design, manufacture and analysis, and the more the product is a product with a complex structure and high added value of raw materials, the more remarkable the advantage of rapid and efficient forming is.
When the 3D printing equipment prints, software slicing needs to be carried out on a three-dimensional model of a printed matter to form a plurality of digital slices, then the printed raw materials are correspondingly stacked layer by layer according to the slice information through 3D printing, and the raw materials are solidified and molded; after all the digital slices are stacked, forming a printed product which is printed, and finishing printing; the thickness of the printing raw material corresponds to the thickness of each layer of printed matter, so in the 3D printing process, the printing raw material is generally required to be scraped by a scraper and then printed.
Chinese patent 201510234338.8 discloses a quick photocuring shower nozzle for 3D printing apparatus, mainly include photocuring shower nozzle shell, feed cylinder part, pointolite part, reflector angle frame lift part, wherein the feed cylinder part mainly includes the feed cylinder, connect the some syringe needles in feed cylinder bottom, locate the feed cylinder lid on feed cylinder top, the pointolite part mainly includes laser pointolite, light source mount, reflector angle frame lift part mainly includes the lead screw, adjust knob, the slide, the slider, the screw.
Chinese patent 201810104598.7 discloses a photo-curing molding apparatus comprising a liquid storage tank storing raw materials for printing a three-dimensional object; the liquid spreading device is positioned above the liquid storage cylinder and can horizontally move on a working plane, and the liquid spreading device is provided with a spray head for spraying liquid and at least one scraper for spreading the liquid; and the base plate is arranged in the liquid storage cylinder and can vertically move on the liquid storage cylinder, so that the base plate is driven to downwards move for a preset distance when each layer of three-dimensional object is printed.
Improve printing process in the above-mentioned scheme, still do not avoid completely using the step that the scraper strickled off resin material, and use the scraper to strickle off resin material layer's in-process, after it prints the one deck, all need the height of adjustment otter board, strickle off the back again, just can print next floor, and it is long that its middle process is used, is unfavorable for the bonding between each layer of printed matter, influences the mechanical properties of printed matter, and the improvement of printing efficiency also receives very big limitation simultaneously.
Therefore, how to provide a spray type 3D printing device which can improve 3D printing efficiency without scraping by a scraper is a problem to be solved in the industry.
Disclosure of Invention
To prior art's shortcoming, the utility model aims at providing a formula 3D printing apparatus drenches and scribbles, its printing in-process need not use the scraper to strickle off the resin material layer, improves the efficiency that 3D printed greatly.
In order to realize the above-mentioned purpose, the utility model provides a formula 3D printing apparatus drenches, fountain 3D printing apparatus includes:
the support comprises a base, a top seat formed by a plurality of cross beams and a plurality of upright posts;
the coating mechanism comprises a spray coating nozzle and a driving device for driving the spray coating nozzle to move; the curtain coating nozzle comprises a curtain coating cavity, the curtain coating cavity is of a cavity structure, a feeding hole for introducing printing raw materials is formed in the side face of the curtain coating cavity, a slit is formed at the bottom of the curtain coating cavity, and the printing raw materials in the curtain coating cavity are uniformly sprayed out of the slit and are sprayed on the screen plate; the driving device is arranged on the top seat;
the printing mechanism is used for driving the screen plate to move up and down and driving the laser module unit to emit laser with preset wavelength; the printing mechanism comprises a Z-axis support, and a screen plate moving unit and a laser module unit which are arranged on the Z-axis support; the Z-axis support comprises a material cylinder base arranged at the bottom, a straight plate vertically fixed on the material cylinder base and a fixed seat arranged at the upper end of the straight plate; the laser module unit is fixedly arranged on the fixed seat, and the fixed seat is positioned above the driving device; the screen plate moving unit is fixed on the straight plate and drives the screen plate to move up and down.
The utility model discloses in, coating mechanism realizes printing drenching of raw and other materials and scribbles, and it drenches and scribbles evenly, drenches the back, prints through the laser module unit on the fixing base, and its printing mechanism and the structural design who drenches and scribble the mechanism for each other noninterference between the removal of drenching the shower nozzle and the laser projection of laser module unit can drench fast and scribble, steps such as laser printing shaping.
The utility model discloses a drench and scribble the shower nozzle and will print raw and other materials and drench and scribble the mode on the otter board for, drench and scribble behind the printing raw and other materials, do not need the scraper to strike off, directly print, reduced the time check that every layer of printing material printed, strengthen the adhesion property between every layer of printing material, simultaneously, greatly improved printing efficiency.
According to another embodiment of the present invention, the length of the slit is adapted to the width of the screen plate; the width of the slit is adapted to the thickness of the layer printed in the 3D printing process; a connecting plate for connecting the curtain coating cavity is fixedly arranged at the bottom of the curtain coating cavity around the slit;
the curtain coating cavity also comprises curtain coating knives, the number of the curtain coating knives is 2, one of the curtain coating knives is a short curtain coating knife, and the other curtain coating knife is a long curtain coating knife; the two curtain coating knives are fixed below the connecting plate and are respectively arranged at two sides of the slit; and a tensioning assembly is arranged on the outer side of one of the curtain coating knives. The tensioning assembly is arranged on the outer side of the short curtain coating knife. And tensioning the whole curtain coating knife to control the drainage precision.
According to another embodiment of the present invention, the shower coating chamber has a plate-like structure, the front side surface of which is an inclined plate and the rear side surface of which is a vertical plate; through the design of one side swash plate, one side riser for printing raw and other materials can drench out along the swash plate along the drainage of swash plate, play the effect of buffering to drenching of printing raw and other materials, further ensure that the even of printing raw and other materials drenches and scribbles.
The extension plate is arranged below the inclined plate, the extension plate and the vertical plate stretch the slit to form a slit channel, the guide of the printing raw materials in the vertical direction is prolonged, and the printing raw materials are guaranteed to be sprayed out in a preset thickness. The vertical plate and the connecting plate are integrally formed, and the extension plate penetrates through the middle of the connecting plate and is fixedly connected with the connecting plate. Swash plate and extension board integrated into one piece carry out the drainage to printing raw and other materials, avoid being connected with the connecting plate, form the mat surface, influence the effect of drenching of printing raw and other materials.
According to another embodiment of the present invention, the two ends of the slit are provided with the drainage plates, and the drainage plates are fixed on the connecting plate; the drainage plate is a sheet structure, and the width of the drainage plate is larger than that of the slit. The drainage plate includes the three-section kink, from last to doing down, outside rake, inside rake, vertical portion, outside rake makes the printing raw and other materials of optional position (including the both ends department of slit) freely drench out, and the printing raw and other materials that inside rake made both ends have certain buffering, avoids the diffusion, simultaneously, carries out effectual management and control to the width of the printing raw and other materials that drench out, and vertical portion makes printing raw and other materials downward stable drench on vertical direction scribbles to the otter board.
According to the utility model discloses a further embodiment, the shower nozzle of drenching and scribbling still includes the air knife, and the figure of air knife is two, and two air knives are fixed in the both sides of connecting plate through the linking arm respectively.
According to another embodiment of the present invention, the driving device comprises a belt conveying unit disposed on the top seat, and a drag chain disposed on one inner side surface of the bracket;
the belt conveying unit comprises an X-axis sliding rail, a sliding block, a guide strip, a belt and a driving piece, wherein the X-axis sliding rail and the sliding block are arranged on two sides of the top seat respectively and move on the X-axis sliding rail; two ends of the guide strip are respectively fixedly connected with the sliding blocks on two sides; the number of the belts is two, the belts penetrate through the guide strips, and the front side and the rear side of each guide strip are provided with fixing blocks which fix the guide strips and the belts; the spray coating nozzle is fixedly connected with the guide strip through the mounting frame;
the drag chain is used for dragging the material pump and the feeding pipe connected between the curtain coating nozzles to synchronously move; the feeding pipe is prevented from influencing the printing of the coating or the laser of the screen plate after being bent along with the movement of the spray head. According to the utility model discloses a another embodiment is equipped with the through-hole that is used for laser to pass on the fixing base, and the through-hole is located the centre of two belts, avoids the interference.
According to another embodiment of the present invention, the material jar is installed on the material jar base, the front and back sides of the material jar are both provided with a recovery groove, the recovery groove comprises a recovery groove frame, a recovery groove bottom surface and a recovery groove cover plate; the recovery groove frame is arranged on the base; the bottom surface of the recovery groove is of a V-shaped concave structure; the recovery tank cover plate is provided with a filter hole; the arrangement of the recovery tank is convenient for the stay of the spray coating nozzle, and meanwhile, the printing raw materials overflowing from the material cylinder are recovered.
According to another embodiment of the present invention, the screen plate moving unit includes a fixed plate fixed on the straight plate, a tray rack for supporting the screen plate, and a slide seat for driving the tray rack to move up and down, the fixed plate is provided with a lead screw and Z-axis slide rails located at two sides of the lead screw, the slide seat is fixed on the lead screw, and the lead screw pushes the slide seat to slide on the Z-axis slide rails; the tray frame and the fixed seat are positioned on the same side surface of the straight plate;
the tray frame is L type structure, and the tray frame is including being fixed in the cantilever of slide both sides and being fixed in the tray on the cantilever, and the otter board is lived to the tray bearing.
According to the utility model discloses a further embodiment, 3D printing apparatus still includes a plurality of detection device, for example, power meter, liquid level measuring tool etc. and the 3D of being convenient for prints the process and obtains accurate control, improves and prints the precision, and the liquid level measuring tool sets up in the top of material jar.
Compared with the prior art, the utility model discloses possess following beneficial effect:
the utility model provides a drench and scribble formula 3D printing apparatus drenches the printing raw and other materials and scribbles to the otter board, directly paves the printing raw and other materials layer, has avoided the operation of scraper strickle, can print after drenching and scribbling, improves the efficiency that 3D printed effectively; in the 3D printing field, the printing efficiency of the 3D printing equipment is greatly improved, and the method has wide market application prospect.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a fountain 3D printing apparatus of embodiment 1;
fig. 2 is a schematic structural diagram of a shower head of the spray type 3D printing apparatus of embodiment 1;
fig. 3 is a schematic structural diagram of a shower head of the spray type 3D printing apparatus according to embodiment 1;
fig. 4 is a schematic view of a shower head installation of the spray type 3D printing apparatus of embodiment 1;
fig. 5 is still another schematic configuration diagram of the fountain 3D printing apparatus of embodiment 1;
fig. 6 is a partial structural schematic diagram of fig. 5 of the fountain 3D printing apparatus of embodiment 1;
fig. 7 is still another schematic configuration diagram of the fountain 3D printing apparatus of embodiment 1;
fig. 8 is a schematic structural diagram of a printing mechanism of the fountain 3D printing apparatus of embodiment 1;
fig. 9 is a schematic view of another structure of a printing mechanism of the fountain 3D printing apparatus of embodiment 1;
fig. 10 is a schematic view of a recovery tank structure of the fountain 3D printing apparatus of embodiment 1.
Detailed Description
Example 1
The embodiment provides a curtain coating type 3D printing device, as shown in fig. 1 to 7, which includes a support 1 for fixing the whole device, where the support 1 includes a base 101, a top seat 103 formed by a plurality of beams, and a plurality of columns 102, and a coating mechanism 2 and a printing mechanism 3 for implementing 3D printing.
The coating mechanism 2 comprises a spray coating nozzle 22 and a driving device for driving the spray coating nozzle 22 to move; the curtain coating nozzle 22 includes a curtain coating cavity, the curtain coating cavity is of a cavity structure, a feed inlet 225 for introducing printing raw materials is arranged on a side surface of the curtain coating cavity, and correspondingly, the 3D printing apparatus of the embodiment is further provided with a material pump 21 for pumping the printing raw materials into the curtain coating cavity through the feed inlet 225; a slit is formed at the bottom of the screen plate, and the printing raw material in the spray coating cavity is uniformly sprayed out of the slit and is sprayed on the screen plate 35; the driving device of this embodiment is disposed on the top seat, and is configured to drive the shower nozzle 22 to move above the screen plate 35, so as to drive the shower nozzle 22 to uniformly shower-coat a layer of material to be printed on the screen plate 35.
The length of the slit is adapted to the width of the screen 35; the width of the slit is adapted to the thickness of the layer printed in the 3D printing process; the bottom of the curtain coating cavity is fixedly provided with a connecting plate 223 curtain coating cavity for connecting the curtain coating cavity and also comprises curtain coating knives, the number of the curtain coating knives is 2, one of the curtain coating knives is a short curtain coating knife 227, and the other curtain coating knife is a long curtain coating knife 226; the two curtain coating knives are fixed below the connecting plate 223 and are respectively arranged at two sides of the slit; the printing raw materials are drained, so that the printing raw materials are ensured to flow out in a certain thickness and are not easy to agglomerate and gather, and the printing raw materials are ensured to be uniformly coated and meet the required layer thickness; a tensioning assembly 228 is arranged outside one of the curtain coating knives. The tensioning assembly 228 is disposed outside the short curtain coating knife 227. The whole curtain coating knife is tensioned, and the drainage process is further controlled and controlled to control the drainage precision.
The curtain coating cavity is of a plate-shaped structure, the front side surface of the curtain coating cavity is provided with an inclined plate 222, and the rear side surface of the curtain coating cavity is provided with a vertical plate 221; through the design of one side swash plate 222, one side riser 221 for printing raw and other materials can be along the drainage of swash plate 222, drenches out along swash plate 222, plays the effect of buffering to the drenching of printing raw and other materials, further ensures the even drenching of printing raw and other materials and scribbles.
An extension plate 224 is arranged below the inclined plate 222, the extension plate 224 and the vertical plate 221 stretch the slit to form a slit channel, the guidance of the printing raw material in the vertical direction is prolonged, and the printing raw material is guaranteed to be poured out in a preset thickness. The vertical plate 221 is integrally formed with the connecting plate 223, and the extension plate 224 passes through the middle of the connecting plate 223 and is fixedly connected with the connecting plate 223. Swash plate 222 and extension board 224 integrated into one piece carry out the drainage to printing raw and other materials, avoid being connected with connecting plate 223, form the rough surface, influence the effect of drenching out of printing raw and other materials.
Both ends of the slit are provided with the drainage plates 24, and the drainage plates 24 are fixed on the connecting plate 223; the flow guide plate 24 is a sheet-like structure having a width greater than the width of the slit. Drainage plate 24 includes the three-section kink, from last to doing down, outside rake, inside rake, vertical portion, outside rake makes the printing raw and other materials of optional position (including the both ends department of slit) freely drench out, and the printing raw and other materials that inside rake made both ends have certain buffering, avoids the diffusion, and simultaneously, carries out effectual management and control to the width of the printing raw and other materials that drench out, and vertical portion makes printing raw and other materials downwards in vertical direction stably drench scribble to otter board 35 on.
The curtain coating nozzle 22 further comprises two air knives 23, the number of the air knives 23 is two, and the two air knives 23 are respectively fixed on two sides of the connecting plate 223 through connecting arms 231; the air knife 23 is used for blowing bubbles in the sprayed printing raw materials, so that the spraying uniformity and the evenness of the printing raw materials are further improved. In order to facilitate control of the movement, the direction and the speed of the movement, and the like of the curtain coating head 22, the curtain coating guide blocks 229 are provided on both sides of the connection plate 223 in the present embodiment, so as to facilitate control of the movement of the curtain coating head 22.
The driving device comprises a belt conveying unit arranged on the top seat and a drag chain 265 arranged on one inner side surface of the bracket; the belt transmission unit comprises an X-axis sliding rail 266 arranged at two sides of the top seat, a sliding block 267 moving on the X-axis sliding rail 266, a guide strip 26, a belt 262 and a driving piece (a motor 263 and a roller 264) for driving the belt 262 to transmit; two ends of the guide bar 26 are fixedly connected with the sliding blocks 267 at two sides respectively; the number of the belts 262 is two, the belts 262 penetrate through the guide strips 26, the front side and the rear side of each guide strip 26 are provided with fixing blocks 261, and the guide strips 26 and the belts 262 are fixed by the fixing blocks 261;
the drag chain 265 is used for dragging a feeding pipe (not shown in the figure) connected between the material pump 21 and the curtain coating spray head 22 to move synchronously; the feeding pipe is prevented from influencing the coating of the screen plate or the laser printing after being bent along with the movement of the spray head 22.
The printing mechanism 3 is used for driving the screen plate 35 to move up and down and driving the laser module unit to emit laser with preset wavelength; the printing mechanism 3 includes a Z-axis support, and a screen plate moving unit and a laser module unit 321 provided on the Z-axis support; the Z-axis support comprises a material cylinder base 311 arranged at the bottom, a straight plate 312 vertically fixed on the material cylinder base 311, and a fixed seat 313 arranged at the upper end of the vertical plate 221; the laser module unit 321 is fixedly arranged on the fixed seat 313, and the fixed seat 313 is positioned above the driving device; the screen moving unit is fixed on the straight plate 312 and drives the screen 35 to move up and down. Currently, the laser module unit 321 includes a laser (not shown), a vibrating mirror (not shown), a reflector (not shown), a field lens (not shown), and the like, a through hole (not shown) for emitting laser is provided on the fixing base 313, the field lens is fixed above the through hole, and the through hole is disposed in the middle of the two belts 262 to avoid interference.
The material cylinder 34 is arranged on the material cylinder base 311, the front side and the rear side of the material cylinder 34 are both provided with a recovery tank 27, and the recovery tank 27 comprises a recovery tank frame 271, a recovery tank bottom surface 272 and a recovery tank cover plate 273; the recovery tank frame 271 is arranged on the base; the bottom surface 272 of the recovery groove is in a V-shaped concave structure; the cover plate 273 of the recovery tank is provided with a filter hole; the recovery tank 27 is provided to facilitate the retention of the shower head 22 and to recover the printing material overflowing from the tank 34.
The screen plate 35 moving unit comprises a fixed plate 331 fixed on the straight plate 312, a tray frame (not shown in the figure) for supporting the screen plate 35, and a sliding seat 334 for driving the tray frame to move up and down, wherein the fixed plate 331 is provided with a screw rod 333 and Z-axis sliding rails 332 positioned at two sides of the screw rod 333, the sliding seat 334 is fixed on the screw rod 333, and the screw rod 333 pushes the sliding seat 334 to slide on the Z-axis sliding rails 332; the tray frame and the fixed seat 313 are positioned on the same side of the straight plate 312;
the tray frame of the embodiment is of an L-shaped structure, and comprises cantilevers 335 fixed on two sides of a sliding seat 334 and trays fixed on the cantilevers 335, and connecting rods 336 are arranged between the cantilevers 335 on the two sides for connection; the tray holds the mesh panel 35.
The 3D printing equipment further comprises a plurality of detection devices, for example, a power meter, a liquid level measuring tool 4 and the like, so that the 3D printing process is accurately controlled, the printing precision is improved, and the liquid level measuring tool 4 is arranged above the material cylinder 34.
The curtain coating type 3D printing equipment provided by the embodiment is used for curtain coating the printing raw materials onto the screen plate 35, directly paving the printing raw material layer, avoiding the operation of scraping by a scraper, printing can be carried out after curtain coating, and effectively improving the 3D printing efficiency; in the 3D printing field, the printing efficiency of the 3D printing equipment is greatly improved, and the method has wide market application prospect.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

Claims (10)

1. The utility model provides a formula of drenching 3D printing apparatus which characterized in that, formula of drenching 3D printing apparatus includes:
the support comprises a base, a top seat formed by a plurality of cross beams and a plurality of upright posts;
the coating mechanism comprises a spray coating nozzle and a driving device for driving the spray coating nozzle to move; the curtain coating nozzle comprises a curtain coating cavity, the curtain coating cavity is of a cavity structure, a feed inlet for introducing printing raw materials is formed in the side face of the curtain coating cavity, a slit is formed at the bottom of the curtain coating cavity, and the printing raw materials in the curtain coating cavity are uniformly sprayed out of the slit and are sprayed onto the screen plate; the driving device is arranged on the top seat;
the printing mechanism is used for driving the screen plate to move up and down and driving the laser module unit to emit laser with preset wavelength; the printing mechanism comprises a Z-axis support, and a screen plate moving unit and a laser module unit which are arranged on the Z-axis support; the Z-axis support comprises a material cylinder base arranged at the bottom, a straight plate vertically fixed on the material cylinder base and a fixed seat arranged at the upper end of the straight plate; the laser module unit is fixedly arranged on the fixed seat, and the fixed seat is positioned above the driving device; the screen plate moving unit is fixed on the straight plate and drives the screen plate to move up and down.
2. The curtain coating type 3D printing device according to claim 1, wherein the length of the slit is adapted to the width of the screen plate, and the width of the slit is adapted to the thickness of a layer printed in the 3D printing process; a connecting plate used for connecting the curtain coating cavity is fixedly arranged at the bottom of the curtain coating cavity around the slit;
the curtain coating cavity further comprises curtain coating knives, the number of the curtain coating knives is 2, one of the curtain coating knives is a short curtain coating knife, and the other curtain coating knife is a long curtain coating knife; the two curtain coating knives are fixed below the connecting plate and are respectively arranged on two sides of the slit; and a tensioning assembly is arranged on the outer side of one of the curtain coating knives.
3. The curtain coating type 3D printing device as claimed in claim 2, wherein the curtain coating cavity is of a plate-shaped structure, and the front side surface of the curtain coating cavity is an inclined plate, and the rear side surface of the curtain coating cavity is a vertical plate;
an extension plate is arranged below the inclined plate, and the extension plate and the vertical plate stretch the slit to form a slit passage.
4. The curtain coating type 3D printing equipment as claimed in claim 1, wherein both ends of the slit are provided with a drainage plate, and the drainage plates are fixed on the connecting plate; the drainage plate is of a sheet structure, and the width of the drainage plate is larger than that of the slit.
5. The curtain coating type 3D printing equipment as claimed in claim 1, wherein the curtain coating nozzle further comprises two air knives, and the two air knives are respectively fixed on two sides of the connecting plate through connecting arms.
6. The curtain coating type 3D printing device as claimed in claim 1, wherein the driving device comprises a belt conveying unit arranged on the top seat and a drag chain arranged on one inner side surface of the support;
the belt conveying unit comprises X-axis slide rails arranged on two sides of the top seat respectively, a slide block moving on the X-axis slide rails, a guide strip, a belt and a driving piece for driving the belt to convey; two ends of the guide strip are respectively fixedly connected with the sliding blocks on two sides; the number of the belts is two, the belts penetrate through the guide strips, fixed blocks are arranged on the front side and the rear side of each guide strip, and the guide strips and the belts are fixed by the fixed blocks; the curtain coating spray head is fixedly connected with the guide strip through a mounting rack;
the drag chain is used for dragging the material pump and the feeding pipe connected between the curtain coating nozzles to move synchronously.
7. The curtain coating type 3D printing equipment as claimed in claim 6, wherein a through hole for laser to pass through is formed in the fixing seat, and the through hole is located between the two belts.
8. The curtain coating type 3D printing equipment as claimed in claim 1, wherein the material vat is mounted on a material vat base, recovery tanks are arranged on the front side and the rear side of the material vat, and each recovery tank comprises a recovery tank frame, a recovery tank bottom surface and a recovery tank cover plate; the recovery tank frame is arranged on the base; the bottom surface of the recovery groove is of a V-shaped concave structure; the recovery tank cover plate is provided with a filter hole.
9. The curtain coating type 3D printing device according to claim 1, wherein the screen plate moving unit comprises a fixed plate fixed on the straight plate, a tray frame for supporting the screen plate, and a sliding seat for driving the tray frame to move up and down, a screw rod and Z-axis sliding rails located on two sides of the screw rod are arranged on the fixed plate, the sliding seat is fixed on the screw rod, and the screw rod pushes the sliding seat to slide on the Z-axis sliding rails; the tray frame and the fixed seat are positioned on the same side surface of the straight plate;
the tray frame is L type structure, the tray frame is including being fixed in the cantilever of slide both sides and being fixed in tray on the cantilever, the otter board is lived in the tray bearing.
10. The curtain coating type 3D printing apparatus according to claim 1, wherein the 3D printing apparatus further comprises a plurality of detection devices.
CN201920234304.2U 2019-02-21 2019-02-25 Curtain coating type 3D printing equipment Active CN209971550U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920229800 2019-02-21
CN2019202298009 2019-02-21

Publications (1)

Publication Number Publication Date
CN209971550U true CN209971550U (en) 2020-01-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920234304.2U Active CN209971550U (en) 2019-02-21 2019-02-25 Curtain coating type 3D printing equipment

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Country Link
CN (1) CN209971550U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110497615A (en) * 2019-02-21 2019-11-26 广州捷和电子科技有限公司 A kind of showering formula 3D printing equipment
CN110497614A (en) * 2019-02-21 2019-11-26 广州捷和电子科技有限公司 A kind of showering spray head and corresponding Method of printing for 3D printing equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110497615A (en) * 2019-02-21 2019-11-26 广州捷和电子科技有限公司 A kind of showering formula 3D printing equipment
CN110497614A (en) * 2019-02-21 2019-11-26 广州捷和电子科技有限公司 A kind of showering spray head and corresponding Method of printing for 3D printing equipment
CN110497614B (en) * 2019-02-21 2024-05-10 广州捷和电子科技有限公司 Shower nozzle for 3D printing equipment and corresponding printing method

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