CN114834030A - Multi-material paving system based on feeding scraper and control method - Google Patents
Multi-material paving system based on feeding scraper and control method Download PDFInfo
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- CN114834030A CN114834030A CN202210280653.4A CN202210280653A CN114834030A CN 114834030 A CN114834030 A CN 114834030A CN 202210280653 A CN202210280653 A CN 202210280653A CN 114834030 A CN114834030 A CN 114834030A
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- 238000000034 method Methods 0.000 title claims abstract description 15
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- 238000009434 installation Methods 0.000 claims description 8
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- 238000005516 engineering process Methods 0.000 description 10
- 238000007790 scraping Methods 0.000 description 4
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- 238000010146 3D printing Methods 0.000 description 2
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- 239000006052 feed supplement Substances 0.000 description 1
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- 238000000016 photochemical curing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/214—Doctor blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/336—Feeding of two or more materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/357—Recycling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
- B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
- B33Y70/10—Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Composite Materials (AREA)
- Structural Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention relates to a multi-material paving system based on a feeding scraper, which comprises a feeding scraper module, a horizontal movement module, a printing platform, a storage module, a material returning module, a mounting plate and an air pressure system, wherein the horizontal movement module is mounted on the mounting plate, a round hole is formed in the mounting plate, and the printing platform is connected with the round hole in a sliding manner; the mounting plate is provided with a discharge port, and the material return module is connected with the discharge port; the feeding scraper module comprises a scraper and a material barrel, the horizontal movement module is connected with the scraper and used for driving the scraper to translate above the mounting plate, the material barrel is mounted on the scraper, and the material storage module is connected with the material barrel; the charging barrel and the storage module are both connected with the air pressure system. The invention also relates to a multi-material paving system control method based on the feeding scraper. The invention has simple structure and high material utilization rate, and belongs to the technical field of additive manufacturing.
Description
Technical Field
The invention relates to the technical field of additive manufacturing, in particular to a multi-material paving system based on a feeding scraper and a control method.
Background
The 3D printing technology is a technology for finally forming parts by stacking materials layer by layer, has the outstanding advantages of high design freedom, short iteration period, individuation production and the like, and plays an important role in the fields of aerospace, biomedical treatment and the like.
At present, common 3D printing technologies mainly comprise a three-dimensional powder bonding technology, a layered entity manufacturing technology, a fused deposition technology, a selective laser sintering technology, a photocuring forming technology and the like, printing materials used in various technologies are mostly powder or slurry, the printing process relates to a feeding step, the feeding step occupies part of the machine operation time, and the printing efficiency is reduced. With the development of the technology and the expansion of the application range, the requirements on parts are higher and higher, including the requirements of multiple materials for compounding multiple performances, so that improvement on printing equipment is necessary to achieve the purpose of forming multiple materials. In addition, a common printing device is often a dual-cylinder system, i.e. a feeding cylinder and a forming cylinder are provided, and in order to ensure the accuracy in the z-axis direction, an electric cylinder is often used for feeding, and a scraper is used for scraping a material from the feeding cylinder to the forming cylinder for forming, the use of the electric cylinder not only increases the cost, but also makes the mechanical structure of the device more complex, and the printing material cannot be fully utilized in the moving process, and a part of the printing material remains on the surface passing through, so that the utilization rate of the material is reduced, and at present where the environmental problem is more severe, it is very important to improve the utilization rate of the material, especially for expensive or rare materials such as biological materials.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention aims to: the multi-material paving system based on the feeding scraper is simple in structure and high in material utilization rate.
Another object of the invention is: a control method of a multi-material paving system based on a feeding scraper is provided, wherein the multi-material paving system can provide printing materials in an air pressure mode so as to print parts efficiently.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-material paving system based on a feeding scraper comprises a feeding scraper module, a horizontal movement module, a printing platform, a storage module, a material returning module, a mounting plate and an air pressure system, wherein the horizontal movement module is mounted on the mounting plate, a round hole is formed in the mounting plate, and the printing platform is connected with the round hole in a sliding manner; the mounting plate is provided with a discharge port, and the material return module is connected with the discharge port; the feeding scraper module comprises a scraper and a material barrel, the horizontal movement module is connected with the scraper and used for driving the scraper to translate above the mounting plate, the material barrel is mounted on the scraper, and the material storage module is connected with the material barrel; the charging barrel and the storage module are both connected with the air pressure system.
Preferably, the feeding scraper module further comprises a material cylinder bottom plate, a small push rod and a material cylinder top plate, wherein openings are formed in the bottom and the top of the material cylinder, the material cylinder bottom plate is connected with the opening in the bottom of the material cylinder in a sealing mode, and the material cylinder top plate is connected with the opening in the top of the material cylinder in a sealing mode; the scraper is provided with a mounting groove, the material cylinder is mounted in the mounting groove, the scraper is provided with a material supply port, and the material supply port is arranged corresponding to the bottom opening of the material cylinder; the top plate of the charging barrel is provided with an air pressure pipeline and an air pressure hole, the small push rod is connected with the air pressure hole in a sliding manner, and the air pressure pipeline is connected with an air pressure system; the side of feed cylinder is equipped with the feed inlet, and the feed inlet passes through the pipeline to be connected with storage module.
Preferably, the number of the charging barrels is two, the number of the mounting grooves is two, the number of the charging barrel bottom plates, the number of the small push rods and the number of the charging barrel top plates are two, the bottom openings of the two charging barrels are respectively in sealing connection with the two charging barrel bottom plates, and the top openings of the two charging barrels are respectively in sealing connection with the two charging barrel top plates; the two charging barrels are respectively arranged in the two mounting grooves, and the feeding ports of the two charging barrels are connected with the material storage module through pipelines; the air pressure channels of the two charging barrel top plates are connected with an air pressure system.
Preferably, the storage module comprises two feeding units, and one feeding unit is connected with one charging barrel through a pipeline; the feeding unit comprises a storage barrel, a storage barrel cover and a large push rod, the storage barrel cover is connected with the top of the storage barrel in a magnetic suction mode, the top surface of the storage barrel cover is provided with a round hole and a first round nozzle pipe extending outwards, the first round nozzle pipe is connected with an air pressure system through a hose, the rod part of the large push rod slides and is connected with the round hole, the storage barrel is provided with a second round nozzle pipe extending outwards on the side surface, and the second round nozzle pipe is connected with the feed inlet through the hose.
Preferably, the horizontal motion module comprises a horizontal linear motion module and a motion adapter plate, the horizontal linear motion module is installed on the installation plate, the motion adapter plate is connected with the horizontal linear motion module, and the motion adapter plate is connected with the scraper.
Preferably, the horizontal linear motion module comprises a motor, a coupler, a screw rod, a sliding block, a screw rod supporting seat and a motor fixing plate, wherein the motor fixing plate and the screw rod supporting seat are both installed on the installation plate, the motor is installed on the motor fixing plate, one end of the coupler is connected with an output shaft of the motor, the other end of the coupler is connected with the screw rod, the screw rod is rotatably connected with the screw rod supporting seat, the sliding block is in threaded connection with the screw rod, and the sliding block is fixedly connected with the motion adapter plate.
Preferably, the material returning module comprises two funnels and a material returning box, the number of the funnels is two, the number of the discharge ports is two, the two discharge ports are respectively located on two sides of the printing platform, the two funnels are respectively connected with the two discharge ports, and the two funnels are located below the mounting plate; the number of the material return boxes is two, a third round nozzle pipe which extends outwards is arranged on the top surface of each material return box, and the two third round nozzle pipes are respectively connected with the two funnels through hoses.
Preferably, the printing platform is connected with the round hole in a sliding mode through the electric cylinder.
A multi-material paving system control method based on a feeding scraper adopts a multi-material paving system based on the feeding scraper, and comprises the following steps:
s1: filling different materials into the two storage barrels respectively, installing a material barrel cover and a large push rod, filling two material barrels with the installed material barrel bottom plates fully corresponding to the two different materials in the two storage barrels respectively, installing a small push rod and compacting the materials, installing a material barrel top plate, and connecting all pipelines;
s2: starting printing, wherein a controller of the equipment receives a printing starting signal;
s3: the controller controls the air pressure system to convey negative pressure into the two material cylinders, the bottom plates of the two material cylinders are removed, and the negative pressure prevents materials in the material cylinders from flowing outwards;
s4: the controller controls the printing platform to descend by a printing layer thickness distance;
s5: the controller controls the horizontal movement module to work and drives the scraper to move to the front of the printing platform and stop;
s6: the controller controls the air pressure system to convey high pressure into the charging barrel, and drives the small push rod to move downwards to extrude the material in the charging barrel downwards to the surface of the mounting plate;
s7: the controller controls the horizontal movement module to work, drives the scraper to move forwards continuously, and uniformly spreads the printing material on the surface of the printing platform;
s8: the controller controls the air pressure system to convey negative pressure to the material cylinder in the step S6 to prevent the material from flowing out;
s9: the controller controls the laser or the optical engine light source to output energy beams to selectively irradiate the surface material of the printing platform according to the inputted section information of the printing part;
s10: the horizontal movement module continues to work to drive the scraper to move forwards, and the redundant materials are scraped to the discharge opening and stop;
s11: judging whether the material in the charging barrel is insufficient in the step S6;
i, if the material in the charging barrel is insufficient in the step S6: the air pressure system conveys high pressure to the material storage barrel connected with the material barrel in the step S6, the large push rod is pushed to move downwards, and the material in the material storage barrel is conveyed into the material barrel;
II, if the materials in the charging barrel in the step S6 are sufficient: skipping this step;
s12: the controller controls the printing platform to descend by a printing layer thickness distance;
s13: the controller controls the horizontal movement module to drive the scraper to return and move to the front of the printing platform;
s14: the controller controls the air pressure system to convey high pressure into the other charging barrel, and drives the small push rod to move downwards to extrude the material in the other charging barrel downwards to the surface of the mounting plate;
s15: the controller controls the horizontal movement module to work, drives the scraper to move forwards continuously, and uniformly spreads the printing material on the surface of the printing platform;
s16: the controller controls the air pressure system to convey negative pressure to the material barrel in the step S14 to prevent the material from flowing out;
s17: the controller controls the laser or the optical engine light source to output energy beams to selectively irradiate the surface material of the printing platform according to the inputted section information of the printing part;
s18: the scraper movement module continues to work to drive the feeding scraper to move, and the redundant materials are scraped to the discharge opening on the other side and stop;
s19: judging whether the material in the charging barrel is insufficient in the step S14;
i, if the material in the charging barrel is insufficient in the step S14: the air pressure system conveys high pressure to the material storage barrel connected with the material barrel in the step S14, the large push rod is pushed to move downwards, and the material in the material storage barrel is conveyed into the material barrel;
II, if the materials in the charging barrel in the step S14 are sufficient: this step is omitted;
s20: repeating S4-S19 until printing is completed;
s21: the controller feeds back a print completion signal.
Preferably, step S4 and step S5 are performed simultaneously; step S8, step S9, and step S10 are performed simultaneously; step S12 and step S13 are performed simultaneously, and steps S16, S17, and S18 are performed simultaneously.
In summary, the present invention has the following advantages:
1. the scraper has the functions of feeding and scraping, and materials in the material barrel carried on the scraper are extruded and paved in an air pressure mode, so that parts such as an electric cylinder, a feeding cylinder and a feeding piston required by the feeding of general equipment are omitted, and the mechanical structure of the equipment is simplified; the scrapers can be used for feeding and paving in the reciprocating process, and compared with a common double-cylinder system which only paves once in a reciprocating manner, the efficiency is improved; meanwhile, the invention also has the function of excess material recovery and high material utilization rate.
2. The scraper has two functions of feeding and scraping, so that feeding and spreading can be started when the scraper moves to the position near the printing platform, and extruded materials do not need to be transported for a long distance, so that the utilization rate of the materials is improved, and the printing starting amount is reduced.
3. The feeding scraper can be provided with two charging barrels, the two charging barrels can be respectively filled with different materials, multi-material printing can be realized by controlling and extruding the materials in the different charging barrels when different layers are printed, and the formed parts are endowed with the advantages of multiple composite materials and multiple performances.
Drawings
FIG. 1 is a perspective view of a multiple material placement system based on a feed blade.
Fig. 2 is a perspective view of the mounting of the feed doctor module, horizontal motion module and print platform on the mounting plate.
Fig. 3 is a perspective view of a feed doctor module.
Fig. 4 is another perspective view of the feed blade module, horizontal motion module and print platform mounted to the mounting plate.
Fig. 5 is a perspective view of the scraper.
Fig. 6 is a perspective view of the cartridge.
Fig. 7 is a perspective view of the cartridge top plate.
FIG. 8 is a flowchart illustrating a method for controlling a multi-material paving system based on a feed scraper according to the present invention.
Wherein, 1 is the mounting panel, 2 is horizontal linear motion module, 3 is the motion keysets, 4 is big push rod, 5 is storage barrel lid, 6 is the storage barrel, 7 is the feed back case, 8 is the scraper, 9 is the feed cylinder, 10 is the feed cylinder roof, 11 is little push rod, 12 is the feed cylinder bottom plate, 13 is the funnel, 14 is print platform, 15 is the bin outlet, 16 is the feed inlet, 17 is the bottom opening of feed cylinder, 18 is the round hole, 19 is first round nozzle pipe, 20 is second round nozzle pipe, 21 is third round nozzle pipe, 22 is the motor, 23 is the shaft coupling, 24 is the lead screw, 25 is the slider, 26 is the lead screw supporting seat, 27 is the motor fixed plate, 28 is the feed scraper module, 29 is the atmospheric pressure pipeline, 30 is the feed inlet, 31 is the opening at feed cylinder top, 32 is the atmospheric pressure hole.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
A multi-material paving system based on a feeding scraper comprises a feeding scraper module, a horizontal movement module, a printing platform, a storage module, a material returning module, a mounting plate and an air pressure system, wherein the horizontal movement module is mounted on the mounting plate, a round hole is formed in the mounting plate, and the printing platform is connected with the round hole in a sliding manner; the mounting plate is provided with a discharge port, and the material return module is connected with the discharge port; the feeding scraper module comprises a scraper and a material barrel, the horizontal movement module is connected with the scraper and used for driving the scraper to translate above the mounting plate, the material barrel is mounted on the scraper, and the material storage module is connected with the material barrel; the charging barrel and the storage module are both connected with the air pressure system.
In this embodiment, the printing platform moves up and down in a circular hole formed in the mounting plate, the feeding scraper module moves on the mounting plate under the driving of the horizontal movement module, and stops before moving to the printing platform, the pneumatic system drives the printing material in a material cylinder close to the printing platform in the feeding scraper module to be extruded, then the feeding scraper module continues to move forward to uniformly spread the material on the surface of the printing platform, and stops after the spreading is completed and continues to move to scrape the redundant material into a discharge port formed in the mounting plate, so as to scrape the material back to the return module for recycling, after the printing material on the printing platform is printed and formed, the printing platform descends by a printing layer thickness distance, the feeding scraper module returns under the driving of the horizontal movement module and stops before moving to the printing platform, the pneumatic system drives the printing material in another material cylinder in the feeding scraper module to be extruded, then the feed scraper module continues to move forward and evenly spreads the material and cover on the print platform surface, and the continuous motion stops after accomplishing to spread the back and scrapes unnecessary material to the mounting panel in opening the feed back groove to scrape the material and retrieve back in the feed back module, and when printing the in-process when the material is not enough in the feed cylinder of feed scraper module, accessible pneumatic system extrudes material in the storage cylinder and replenishes in the feed cylinder.
The feeding scraper module also comprises a charging barrel bottom plate, a small push rod and a charging barrel top plate, wherein openings are formed in the bottom and the top of the charging barrel, the charging barrel bottom plate is connected with the opening in the bottom of the charging barrel in a sealing manner, and the charging barrel top plate is connected with the opening in the top of the charging barrel in a sealing manner; the scraper is provided with a mounting groove, the material cylinder is mounted in the mounting groove, the scraper is provided with a material supply port, and the material supply port is arranged corresponding to the bottom opening of the material cylinder; the top plate of the charging barrel is provided with an air pressure pipeline and an air pressure hole, the small push rod is connected with the air pressure hole in a sliding manner, and the air pressure pipeline is connected with an air pressure system; the side of feed cylinder is equipped with the feed inlet, and the feed inlet passes through the pipeline to be connected with storage module.
The number of the charging barrels is two, the number of the mounting grooves is two, the number of the charging barrel bottom plates, the number of the small push rods and the number of the charging barrel top plates are two, bottom openings of the two charging barrels are respectively in sealing connection with the two charging barrel bottom plates, and top openings of the two charging barrels are respectively in sealing connection with the two charging barrel top plates; the two charging barrels are respectively arranged in the two mounting grooves, and the feeding ports of the two charging barrels are connected with the material storage module through pipelines; the air pressure channels of the two charging barrel top plates are connected with an air pressure system.
In this embodiment, the scraper is opened there are two mounting grooves in the symmetric position and is used for installing the feed cylinder, make it possess except scraping the material function and still possess the feed function, the feed cylinder has two, install in two mounting grooves on the scraper with mechanical connection mode respectively, the equal fretwork of feed cylinder top surface and bottom surface communicates with each other with the outside, the bottom is as the discharge gate, the top is used for little push rod installation and initial feed supplement, the feed cylinder bottom plate has two, cover the discharge gate of two feed cylinders respectively with magnetic attraction mode when not needing to print in order to prevent that the material from revealing rotten, little push rod has two, install respectively in the cavity of feed cylinder and reciprocate in it, the feed cylinder roof has two, install at the feed cylinder top surface with mechanical connection mode after the feed cylinder material is filled and little push rod installation finishes in order to seal it, guarantee pneumatic system's reliability. When atmospheric system passes through the pipeline and carries high pressure, the feed cylinder roof, the feed cylinder, produce high pressure in the cavity of little push rod three formation, form pressure differential with the outside, consequently, the material of the little push rod downstream of drive in with the feed cylinder is extruded, when atmospheric system carries the negative pressure, the feed cylinder roof, the feed cylinder, produce the negative pressure in the cavity of little push rod three formation, form pressure differential with the outside, consequently, outside atmospheric pressure can prevent the material outwards to flow out in the feed cylinder, the round hole has been opened to the feed cylinder roof intermediate position, with the pole cooperation of little push rod, play spacing and the effect of direction.
The storage module comprises two feeding units, and one feeding unit is connected with one charging barrel through a pipeline; the feeding unit comprises a storage cylinder, a storage cylinder cover and a large push rod, the storage cylinder cover is connected with the top of the storage cylinder in a magnetic suction mode, the top surface of the storage cylinder cover is provided with a round hole and a first round nozzle pipe extending outwards, the first round nozzle pipe is connected with an air pressure system through a hose, the rod part of the large push rod slides and is connected with the round hole, the storage cylinder is provided with a second round nozzle pipe extending outwards in the side surface, and the second round nozzle pipe is connected with the feed inlet through a hose.
The rod part of the large push rod is matched with a round hole on the storage cylinder cover to achieve the purposes of limiting and guiding, and an outward extending round nozzle pipe is arranged at the bottom of the side surface of the storage cylinder and connected with a hose to be communicated with an air pressure system. When the large push rod in the storage cylinder moves downwards under the action of air pressure, the material in the storage cylinder is extruded to the material cylinder of the feeding scraper module through the hose for material supplement.
The horizontal motion module comprises a horizontal linear motion module and a motion adapter plate, the horizontal linear motion module is installed on the installation plate, the motion adapter plate is connected with the horizontal linear motion module, and the motion adapter plate is connected with the scraper.
The horizontal linear motion module comprises a motor, a coupler, a lead screw, a sliding block, a lead screw supporting seat and a motor fixing plate, wherein the motor fixing plate and the lead screw supporting seat are both installed on the installation plate, the motor is installed on the motor fixing plate, one end of the coupler is connected with an output shaft of the motor, the other end of the coupler is connected with the lead screw, the lead screw is rotatably connected with the lead screw supporting seat, the sliding block is in threaded connection with the lead screw, and the sliding block is fixedly connected with the motion adapter plate.
The material returning module comprises two funnels and a material returning box, the number of the funnels is two, the number of the discharge ports is two, the two discharge ports are respectively positioned on two sides of the printing platform, the two funnels are respectively connected with the two discharge ports, and the two funnels are positioned below the mounting plate; the number of the material return boxes is two, a third round nozzle pipe which extends outwards is arranged on the top surface of each material return box, and the two third round nozzle pipes are respectively connected with the two funnels through hoses. So that the material scraped back into the discharge opening is collected by a funnel and a hose into a return bin for storage and reuse.
The printing platform is connected with the round hole in a sliding mode through the electric cylinder.
A multi-material paving system control method based on a feeding scraper adopts a multi-material paving system based on the feeding scraper, and comprises the following steps:
s1: filling different materials into the two storage barrels respectively, installing a material barrel cover and a large push rod, filling two material barrels with the installed material barrel bottom plates fully corresponding to the two different materials in the two storage barrels respectively, installing a small push rod and compacting the materials, installing a material barrel top plate, and connecting all pipelines;
s2: starting printing, wherein a controller of the equipment receives a printing starting signal;
s3: the controller controls the air pressure system to convey negative pressure into the two material cylinders, the bottom plates of the two material cylinders are removed, and the negative pressure prevents materials in the material cylinders from flowing outwards;
s4: the controller controls the printing platform to descend by a printing layer thickness distance;
s5: the controller controls the horizontal movement module to work and drives the scraper to move to the front of the printing platform and stop;
s6: the controller controls the air pressure system to convey high pressure into the charging barrel, and drives the small push rod to move downwards to extrude the material in the charging barrel downwards to the surface of the mounting plate;
s7: the controller controls the horizontal movement module to work, drives the scraper to move forwards continuously, and uniformly spreads the printing material on the surface of the printing platform;
s8: the controller controls the air pressure system to convey negative pressure to the material cylinder in the step S6 to prevent the material from flowing out;
s9: the controller controls the laser or the optical engine light source to output energy beams to selectively irradiate the surface material of the printing platform according to the inputted section information of the printing part;
s10: the horizontal movement module continues to work to drive the scraper to move forwards, and the redundant materials are scraped to the discharge opening and stop;
s11: judging whether the material in the charging barrel is insufficient in the step S6;
i, if the material in the charging barrel is insufficient in the step S6: the air pressure system conveys high pressure to the material storage barrel connected with the material barrel in the step S6, the large push rod is pushed to move downwards, and the material in the material storage barrel is conveyed into the material barrel;
II, if the materials in the charging barrel in the step S6 are sufficient: skipping this step;
s12: the controller controls the printing platform to descend by a printing layer thickness distance;
s13: the controller controls the horizontal movement module to drive the scraper to return and move to the front of the printing platform;
s14: the controller controls the air pressure system to convey high pressure into the other charging barrel, and drives the small push rod to move downwards to extrude the material in the other charging barrel downwards to the surface of the mounting plate;
s15: the controller controls the horizontal movement module to work, drives the scraper to move forwards continuously, and uniformly spreads the printing material on the surface of the printing platform;
s16: the controller controls the pneumatic system to convey negative pressure to the material barrel in the step S14 to prevent the material from flowing out;
s17: the controller controls the laser or the optical engine light source to output energy beams to selectively irradiate the surface material of the printing platform according to the inputted section information of the printing part;
s18: the scraper movement module continues to work to drive the feeding scraper to move, and the redundant materials are scraped to the discharge opening on the other side and stop;
s19: judging whether the material in the charging barrel is insufficient in the step S14;
i, if the material in the charging barrel is insufficient in the step S14: the air pressure system conveys high pressure to the material storage barrel connected with the material barrel in the step S14, the large push rod is pushed to move downwards, and the material in the material storage barrel is conveyed into the material barrel;
II, if the materials in the charging barrel in the step S14 are sufficient: this step is omitted;
s20: repeating S4-S19 until printing is completed;
s21: the controller feeds back a print completion signal.
Step S4 is performed simultaneously with step S5; step S8, step S9, and step S10 are performed simultaneously; step S12 and step S13 are performed simultaneously, and steps S16, S17, and S18 are performed simultaneously.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a many materials system of laying cover based on feed scraper which characterized in that: the feeding scraper module, the horizontal movement module, the printing platform, the storage module, the material returning module, the mounting plate and the pneumatic system are included, the horizontal movement module is mounted on the mounting plate, a round hole is formed in the mounting plate, and the printing platform is connected with the round hole in a sliding mode; the mounting plate is provided with a discharge port, and the material return module is connected with the discharge port; the feeding scraper module comprises a scraper and a material barrel, the horizontal movement module is connected with the scraper and used for driving the scraper to translate above the mounting plate, the material barrel is mounted on the scraper, and the material storage module is connected with the material barrel; the charging barrel and the storage module are both connected with the air pressure system.
2. A multiple material placement system based on feed scrapers as claimed in claim 1 wherein: the feeding scraper module also comprises a charging barrel bottom plate, a small push rod and a charging barrel top plate, wherein openings are formed in the bottom and the top of the charging barrel, the charging barrel bottom plate is connected with the opening in the bottom of the charging barrel in a sealing mode, and the charging barrel top plate is connected with the opening in the top of the charging barrel in a sealing mode; the scraper is provided with a mounting groove, the material cylinder is mounted in the mounting groove, the scraper is provided with a material supply port, and the material supply port is arranged corresponding to the bottom opening of the material cylinder; the top plate of the charging barrel is provided with an air pressure pipeline and an air pressure hole, the small push rod is connected with the air pressure hole in a sliding manner, and the air pressure pipeline is connected with an air pressure system; the side of feed cylinder is equipped with the feed inlet, and the feed inlet passes through the pipeline to be connected with storage module.
3. A multiple material placement system based on feed scrapers as claimed in claim 2, wherein: the number of the charging barrels is two, the number of the mounting grooves is two, the number of the charging barrel bottom plates, the number of the small push rods and the number of the charging barrel top plates are two, bottom openings of the two charging barrels are respectively in sealing connection with the two charging barrel bottom plates, and top openings of the two charging barrels are respectively in sealing connection with the two charging barrel top plates; the two charging barrels are respectively arranged in the two mounting grooves, and the feeding ports of the two charging barrels are connected with the material storage module through pipelines; the air pressure channels of the two charging barrel top plates are connected with an air pressure system.
4. A multiple material placement system based on feed scrapers as claimed in claim 3 wherein: the storage module comprises two feeding units, and one feeding unit is connected with one charging barrel through a pipeline; the feeding unit comprises a storage cylinder, a storage cylinder cover and a large push rod, the storage cylinder cover is connected with the top of the storage cylinder in a magnetic suction mode, the top surface of the storage cylinder cover is provided with a round hole and a first round nozzle pipe extending outwards, the first round nozzle pipe is connected with an air pressure system through a hose, the rod part of the large push rod slides and is connected with the round hole, the storage cylinder is provided with a second round nozzle pipe extending outwards in the side surface, and the second round nozzle pipe is connected with the feed inlet through a hose.
5. A multiple material placement system based on feed scrapers as claimed in claim 1 wherein: the horizontal motion module comprises a horizontal linear motion module and a motion adapter plate, the horizontal linear motion module is installed on the installation plate, the motion adapter plate is connected with the horizontal linear motion module, and the motion adapter plate is connected with the scraper.
6. A multiple material placement system based on feed scrapers as claimed in claim 5, wherein: the horizontal linear motion module comprises a motor, a coupler, a lead screw, a sliding block, a lead screw supporting seat and a motor fixing plate, wherein the motor fixing plate and the lead screw supporting seat are both installed on the installation plate, the motor is installed on the motor fixing plate, one end of the coupler is connected with an output shaft of the motor, the other end of the coupler is connected with the lead screw, the lead screw is rotatably connected with the lead screw supporting seat, the sliding block is in threaded connection with the lead screw, and the sliding block is fixedly connected with the motion adapter plate.
7. A multiple material placement system based on feed scrapers as claimed in claim 1 wherein: the material returning module comprises two funnels and a material returning box, the number of the funnels is two, the number of the discharge ports is two, the two discharge ports are respectively positioned on two sides of the printing platform, the two funnels are respectively connected with the two discharge ports, and the two funnels are positioned below the mounting plate; the number of the material return boxes is two, a third round nozzle pipe which extends outwards is arranged on the top surface of each material return box, and the two third round nozzle pipes are respectively connected with the two funnels through hoses.
8. A multiple material placement system based on feed scrapers as claimed in claim 1 wherein: the printing platform is connected with the round hole in a sliding mode through the electric cylinder.
9. A multi-material paving system control method based on a feeding scraper is characterized in that: use of a feed blade based multi-material coating system according to any of claims 1-8, the method comprising the steps of:
s1: filling different materials into the two storage barrels respectively, installing a material barrel cover and a large push rod, filling two material barrels with the installed material barrel bottom plates fully corresponding to the two different materials in the two storage barrels respectively, installing a small push rod and compacting the materials, installing a material barrel top plate, and connecting all pipelines;
s2: starting printing, wherein a controller of the equipment receives a printing starting signal;
s3: the controller controls the air pressure system to convey negative pressure into the two material cylinders, the bottom plates of the two material cylinders are removed, and the negative pressure prevents materials in the material cylinders from flowing outwards;
s4: the controller controls the printing platform to descend by a printing layer thickness distance;
s5: the controller controls the horizontal movement module to work and drives the scraper to move to the front of the printing platform and stop;
s6: the controller controls the air pressure system to convey high pressure into the charging barrel, and drives the small push rod to move downwards to extrude the material in the charging barrel downwards to the surface of the mounting plate;
s7: the controller controls the horizontal movement module to work, drives the scraper to move forwards continuously, and uniformly spreads the printing material on the surface of the printing platform;
s8: the controller controls the air pressure system to convey negative pressure to the material cylinder in the step S6 to prevent the material from flowing out;
s9: the controller controls the laser or the optical engine light source to output energy beams to selectively irradiate the surface material of the printing platform according to the inputted section information of the printing part;
s10: the horizontal movement module continues to work to drive the scraper to move forwards, and the redundant materials are scraped to the discharge opening and stop;
s11: judging whether the material in the charging barrel is insufficient in the step S6;
i, if the material in the charging barrel is insufficient in the step S6: the air pressure system conveys high pressure to the material storage barrel connected with the material barrel in the step S6, the large push rod is pushed to move downwards, and the material in the material storage barrel is conveyed into the material barrel;
II, if the materials in the charging barrel in the step S6 are sufficient: skipping this step;
s12: the controller controls the printing platform to descend by a printing layer thickness distance;
s13: the controller controls the horizontal movement module to drive the scraper to return and move to the front of the printing platform;
s14: the controller controls the air pressure system to convey high pressure into the other charging barrel, and drives the small push rod to move downwards to extrude the material in the other charging barrel downwards to the surface of the mounting plate;
s15: the controller controls the horizontal movement module to work, drives the scraper to move forwards continuously, and uniformly spreads the printing material on the surface of the printing platform;
s16: the controller controls the pneumatic system to convey negative pressure to the material barrel in the step S14 to prevent the material from flowing out;
s17: the controller controls the laser or the optical engine light source to output energy beams to selectively irradiate the surface material of the printing platform according to the inputted section information of the printing part;
s18: the scraper movement module continues to work to drive the feeding scraper to move, and the redundant materials are scraped to the discharge opening on the other side and stop;
s19: judging whether the material in the charging barrel is insufficient in the step S14;
i, if the material in the charging barrel is insufficient in the step S14: the air pressure system conveys high pressure to the material storage barrel connected with the material barrel in the step S14, the large push rod is pushed to move downwards, and the material in the material storage barrel is conveyed into the material barrel;
II, if the materials in the charging barrel in the step S14 are sufficient: this step is omitted;
s20: repeating S4-S19 until printing is completed;
s21: the controller feeds back a print completion signal.
10. A method for controlling a multiple material placement system based on a feed scraper as claimed in claim 9, characterized in that: step S4 is performed simultaneously with step S5; step S8, step S9, and step S10 are performed simultaneously; step S12 and step S13 are performed simultaneously, and steps S16, S17, and S18 are performed simultaneously.
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| CN202210280653.4A CN114834030A (en) | 2022-03-22 | 2022-03-22 | Multi-material paving system based on feeding scraper and control method |
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Application publication date: 20220802 |