CN113492530A - Multi-material three-dimensional printing and cleaning device and method - Google Patents
Multi-material three-dimensional printing and cleaning device and method Download PDFInfo
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- CN113492530A CN113492530A CN202010191218.5A CN202010191218A CN113492530A CN 113492530 A CN113492530 A CN 113492530A CN 202010191218 A CN202010191218 A CN 202010191218A CN 113492530 A CN113492530 A CN 113492530A
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- 238000004140 cleaning Methods 0.000 title claims abstract description 146
- 239000000463 material Substances 0.000 title claims abstract description 66
- 238000010146 3D printing Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000758 substrate Substances 0.000 claims abstract description 62
- 239000012459 cleaning agent Substances 0.000 claims abstract description 58
- 238000007639 printing Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000002699 waste material Substances 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000005406 washing Methods 0.000 description 5
- 238000011109 contamination Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000861 blow drying Methods 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Images
Classifications
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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
- B29C64/35—Cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
Abstract
The application relates to a multi-material three-dimensional printing cleaning device and a method, which are in signal connection with a controller and comprise the following steps: a cleaning machine for cleaning a target object; the conveying mechanism is used for conveying the cleaning agent to the cleaning machine; the heating fan is arranged on one side of the cleaning machine; a moving mechanism connected with the cleaning machine or the substrate console to drive one of the cleaning machine and the substrate console to move relative to the other; after at least one layer of target object is printed, the moving mechanism drives the cleaning machine or the substrate control table to move so that the cleaning agent is contacted with the target object and cleans the target object. The multi-material three-dimensional printing cleaning device is in signal connection with the controller, manual cleaning is not needed, potential safety hazards of manual operation are avoided, and cleaning efficiency is improved; by arranging the conveying mechanism and the cleaning machine, after the printing of the target object is finished, the target object is cleaned immediately, and the influence of the surface of the upper-layer printing material adhesive on the curing of the lower-layer material is avoided.
Description
Technical Field
The invention relates to a multi-material three-dimensional printing cleaning device and method, and belongs to the technical field of three-dimensional printing.
Background
3D printing technology is a molding technology that can be used to manufacture complex structures. Most 3D printing systems are based on single material printing at present, and in order to improve the performance of printed objects, the printing can be realized by a multi-material 3D printing system, that is, by combining materials with different concentrations or characteristics, a component with new functions is realized. For example, there is a need in the medical and dental arts for high performance biological objects or implants, which can use multi-material 3D printing to improve the medical performance of the product.
One core problem with multi-material 3D printing is the problem of contamination between different materials during the printing process. In the case of photo-cured printing (SLA), common printing systems are photo-cured, which requires a cleaning step before printing different materials, which would otherwise affect the performance of the printed object.
Disclosure of Invention
The invention aims to provide a multi-material three-dimensional printing and cleaning device and method, manual hand washing is not needed, the influence of the surface of an adherend of an upper printing material on the curing of a lower layer material is avoided, and convenience and rapidness are realized.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-material three-dimensional printing cleaning device is in signal connection with a controller and comprises:
the cleaning machine is used for cleaning a target object, and the target object is formed on a substrate console of the three-dimensional printing device;
the conveying mechanism is used for placing a cleaning agent and conveying the cleaning agent to the cleaning machine;
the heating fan is arranged on one side of the cleaning machine and used for drying the cleaned target object;
a moving mechanism connected with the cleaning machine or the substrate console to drive one of the cleaning machine and the substrate console to move relative to the other;
when at least one layer of the target object is printed, the moving mechanism drives the cleaning machine or the substrate control table to move so that the cleaning machine is in contact with the target object and cleans the target object.
Further, the moving mechanism comprises a driving piece capable of moving along the vertical direction and a telescopic rod which is connected with the driving piece and moves along the horizontal direction.
Further, the conveying mechanism comprises at least one injection pump, an injection pipe connected with the injection pump and used for placing cleaning agents, and a feeding pipe connected with the injection pipe.
Further, the multi-material three-dimensional printing and cleaning device further comprises a waste liquid treatment mechanism connected with the cleaning machine.
Furthermore, the waste liquid treatment mechanism comprises a water suction pump, a discharge pipe connected with the water suction pump and an electromagnetic valve arranged on the discharge pipe and used for controlling the conduction or the closing of the discharge pipe.
Further, the multi-material three-dimensional printing and cleaning device further comprises a water level sensor arranged on the cleaning machine and used for detecting the height of the liquid level.
The invention also provides a multi-material three-dimensional printing and cleaning method, which adopts the multi-material three-dimensional printing and cleaning device and comprises the following steps:
adding a cleaning agent into the conveying mechanism, and conveying the cleaning agent into the cleaning machine by the conveying mechanism;
after at least one layer of target object is printed, starting a moving mechanism to enable one of the cleaning machine and the substrate control table to move relative to the other until the printed target object is soaked in the cleaning agent;
starting the cleaning machine to clean the target object;
after the target object is cleaned, the moving mechanism drives one of the cleaning machine and the substrate control table to move relative to the other so as to expose the target object, and the heating fan is started to blow the target object.
Further, after the printing of the at least one layer of target object is completed, the moving mechanism is started to move one of the cleaning machine and the substrate console relative to the other until the printed target object is soaked in the cleaning agent, specifically:
starting the moving mechanism to enable one of the cleaning machine and the substrate console to move relative to the other until the bottom of the substrate console is contacted with the liquid level of the cleaning agent, recording the position information of the substrate console and/or the cleaning machine at the moment as a first position, wherein the first position is h0＝0；
If the materials of the two adjacent layers of targets are different, after the first layer of target is printed, the moving mechanism drives the cleaning machine or the substrate control table to move to a first position, so that the first layer of target is soaked in the cleaning agent to be cleaned;
after the nth layer of target object is printed, the moving mechanism drives the cleaning machine or the substrate control platform to move to the position below or above the first position
Height to clean the nth layer of target object, hiIs the layer thickness of the ith layer of target;
wherein n is an integer of 2 or more.
Further, after the printing of the at least one layer of target object is completed, the moving mechanism is started to move one of the cleaning machine and the substrate console relative to the other until the printed target object is soaked in the cleaning agent, specifically:
starting the moving mechanism to enable one of the cleaning machine and the substrate console to move relative to the other until the bottom of the substrate console is contacted with the liquid level of the cleaning agent, recording the position information of the substrate console and/or the cleaning machine at the moment as a first position, wherein the first position is h0＝0；
If the materials of the m layers of target objects are the same, after the m layers of target objects are printed, the moving mechanism drives the cleaning machine or the substrate control platform to move to the position below or above the first position
The height is used for cleaning the m layers of target objects, wherein n is the total number of layers of the current printing target object, hiIs the layer thickness of the ith layer of target;
wherein n is more than or equal to m and more than or equal to 2 and is an integer.
Further, the "starting the washing machine to wash the target object" specifically includes:
the cleaning time, temperature and frequency are set to clean the target object.
Further, the multi-material three-dimensional printing and cleaning device further comprises a waste liquid treatment mechanism, and the method further comprises the following steps:
and after the target object is dried, the waste liquid treatment mechanism is started to extract and treat the cleaning agent in the cleaning machine.
The invention has the beneficial effects that: the multi-material three-dimensional printing cleaning device is in signal connection with the controller, manual cleaning is not needed, potential safety hazards of manual operation are avoided, and cleaning efficiency is improved;
by arranging the conveying mechanism and the cleaning machine, after the printing of the target object is finished, the target object is cleaned immediately, so that the influence of the surface of an adherend of an upper printing material on the solidification of a lower layer material is avoided, and the performance of the target object is not influenced by the mixing of the materials;
through being provided with waste liquid treatment mechanism, in time handle the cleaner after using, play the effect of environmental protection.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a three-dimensional printing apparatus in the prior art.
Fig. 2 is a schematic structural diagram of the multi-material three-dimensional printing and cleaning device of the invention.
Fig. 3 is a flow chart of the cleaning method for multi-material three-dimensional printing according to the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, in a preferred embodiment of the present invention, a multi-material three-dimensional printing cleaning apparatus is used for cleaning a product printed by a three-dimensional printing apparatus, the three-dimensional printing apparatus has a substrate console 100, and the product is formed on the substrate console 100. Specifically, the product is formed on the substrate bottom 101 of the substrate console 100, and therefore, when the multi-material three-dimensional printing cleaning device needs to clean the product, the product is located below the substrate bottom 101. The multi-material three-dimensional printing cleaning device is in signal connection with a controller 7 and comprises a cleaning machine 1 used for cleaning a target object, a conveying mechanism 2 used for placing a cleaning agent 24 and conveying the cleaning agent 24 to the cleaning machine 1, a heating fan 3 arranged on one side of the cleaning machine 1 and used for drying the cleaned target object, and a moving mechanism 4 used for driving one of the cleaning machine 1 and the substrate control console 100 to move relative to the other, wherein the controller 7 is a computer, and the cleaning machine 1 is an ultrasonic cleaning machine 1. Indeed, the controller 7 may be other, and the cleaning machine 1 may be other, for example, the cleaning machine 1 may be a tank body, which is not limited herein, according to the actual situation. When the cleaning machine 1 is a tank, the moving mechanism 4 needs to shake the tank to clean the target object. When the printing of the target object is completed, the moving mechanism 4 drives the cleaning machine 1 or the substrate console 100 to move so that the target object is contacted with the cleaning agent 24 and cleaned. The target object is the printed and molded product. In this embodiment, the moving mechanism 4 is connected to the cleaning machine 1, and the moving mechanism 4 drives the cleaning machine 1 to move relative to the substrate control table 100. Indeed, in other embodiments, the moving mechanism 4 may also be connected to the substrate console 100 to control the substrate console 100 to move, and is not limited herein, according to the actual situation.
The moving mechanism 4 includes a driving member 41 capable of moving in the vertical direction and an expansion link 42 connected to the driving member 41 and moving in the horizontal direction, and the expansion link 42 is connected to the cleaning machine 1. The telescopic rod 42 drives the cleaning machine 1 to move in the horizontal direction, and the driving member 41 is used for driving the telescopic rod 42 and the cleaning machine 1 to move in the vertical direction. In this embodiment, the driving member 41 is a console or a motor. Indeed, in other embodiments, the driving member 41 may be other, and is not limited herein, depending on the actual situation.
The conveying mechanism 2 comprises at least one injection pump 21, an injection pipe 22 connected with the injection pump 21 and used for placing a cleaning agent 24, and a feeding pipe 23 connected with the injection pipe 22, wherein the cleaning agent 24 is a cleaning agent 24 of the current printing material. When two or more kinds of printed materials are used, a plurality of kinds of cleaning agents 24 are required, and a corresponding number of syringe pumps 21, syringe pipes 22, and feed pipes 23 may be provided. At this time, the volume of the cleaning agent 24 in each syringe 22 is set to a fixed value in order to ensure that the liquid level of the cleaning agent 24 in the cleaning machine 1 is at the same height each time. This method allows for no contamination between the various cleaning agents 24 and adds little volume of cleaning agent 24. Or only one injection pipe 22, one injection pipe 22 and one feeding pipe 23 are arranged, and a cleaning agent 24 which is shared by multiple materials and does not react with the materials is adopted, at the moment, the multi-material three-dimensional printing and cleaning device further comprises a water level sensor 6 which is arranged on the cleaning machine 1 and used for detecting the liquid level height, the water level sensor 6 is used for detecting the capacity of the cleaning agent 24 in the cleaning machine 1, when the cleaning agent 24 reaches a specified height, the water level sensor 6 triggers and sends a signal to the controller 7, and the controller 7 controls the injection pump 21 to pause so as to keep the liquid level of the cleaning agent 24 at the same height all the time. In this embodiment, the water level sensor 6 is a photoelectric water level sensor 6, and indeed, in other embodiments, the water level sensor 6 may be other, which is not specifically limited herein and is determined according to actual situations. The method is simple and convenient and is not complex to operate. The cleaning agent 24 may be absolute ethyl alcohol with a purity of 95% or more or other cleaning agents, and is not particularly limited herein, depending on the actual situation.
The heating fan 3 is disposed at one side of the washing machine 1 or connected to the washing machine 1, and in order to dry the object, in this embodiment, the heating fan 3 is connected to the washing machine 1.
In order to prevent cross contamination between different cleaning agents 24 and contamination of the newly printed object by the used cleaning agent 24, the multi-material three-dimensional printing and cleaning device further comprises a waste liquid treatment mechanism 5 connected with the cleaning machine 1. The waste liquid treatment mechanism 5 comprises a water suction pump 51, a discharge pipe 52 connected with the water suction pump 51 and an electromagnetic valve 53 arranged on the discharge pipe 52 and used for controlling the conduction or the closing of the discharge pipe 52.
Referring to fig. 3, the present invention further provides a multi-material three-dimensional printing and cleaning method, which uses the multi-material three-dimensional printing and cleaning apparatus, and the method includes:
adding a cleaning agent 24 into the conveying mechanism 2, and conveying the cleaning agent 24 into the cleaning machine 1 by the conveying mechanism 2;
after printing of at least one layer of the object is completed, the moving mechanism 4 is actuated to move one of the cleaning machine 1 and the substrate console 100 relative to the other until the printed object is immersed in the cleaning agent 24. As described above, the moving mechanism 4 is connected to the cleaning machine 1. The moving mechanism 4 is activated to move the cleaning machine 1 relative to the substrate console 100 until the substrate is controlledThe bottom 101 of the substrate of the stage 100 is in contact with the surface of the cleaning agent 24, and the position information of the cleaning machine 1 at this time is recorded as a first position h00; the moving mechanism 4 drives the cleaning machine 1 to move downward so that the substrate console 100 is away from the cleaning machine 1, and then performs a printing work.
If the materials of the two adjacent layers of targets are different, after the first layer of targets are printed, the moving mechanism 4 drives the cleaning machine 1 to move to a first position according to the recorded position information, the first position is that the cleaning agent 24 in the cleaning machine 1 just contacts with the bottom 101 of the substrate console 100, and at the moment, the first layer of targets can be completely soaked in the cleaning agent for cleaning. Repeating the steps to print the second layer of target object, and after the second layer of target object is printed, driving the cleaning agent to move to the position h below the first position by the moving mechanism 41So that a second layer of the object is immersed in the cleaning agent 24, wherein h1Is the thickness of the first layer object after printing. Until the nth layer of target object is printed, the moving mechanism 4 drives the cleaning machine 1 to move to the position below the first position
Height to clean the nth layer of target object, hiIs the layer thickness of the ith layer of the target. Wherein n is an integer of 2 or more.
Or, when the materials of the m layers of targets are the same, after the m layers of targets are printed together, the moving mechanism 4 drives the cleaning machine 1 to move to the position below the first position
The height is used for cleaning the m layers of target objects, wherein n is the total number of layers of the current printing target object, hiIs the layer thickness of the ith target object, wherein n is more than or equal to m and more than or equal to 2 and is an integer. The material is not particularly limited as appropriate.
Indeed, in other embodiments, the moving mechanism 4 is coupled to the substrate console 100, and then the moving mechanism 4 drives the substrate console 100 towardAnd the other principles are not changed. That is, after the first layer object is printed, the moving mechanism 4 drives the substrate console 100 to move to the first position h according to the recorded position information00 and the first position is that the cleaning agent 24 in the cleaning machine 1 just contacts the substrate bottom 101 of the substrate console 100, at which time the first layer of the object can be completely immersed in the cleaning agent for cleaning. Repeating the above steps to print the second layer of object, and when the second layer of object is printed, the moving mechanism 4 drives the substrate console 100 to move to the upper side h of the first position1Height such that a second layer of target is immersed in the cleaning agent 24, wherein h1Is the thickness of the first layer object after printing. Until the nth layer of target object is printed, the moving mechanism 4 drives the substrate control table 100 to move to the position above the first position
Height to clean the nth layer of target, wherein hiN is an integer of 2 or more, which is the layer thickness of the ith layer of the target. Or, when the materials of the m-layer targets are the same, the moving mechanism 4 drives the substrate console 100 to move to the position above the first position after the m-layer targets are printed together
The height is used for cleaning the m layers of target objects, wherein n is the total number of layers of the current printing target object, hiIs the layer thickness of the ith target object, and n is not less than m and not less than 2 and is an integer. The material is not particularly limited as appropriate.
Starting the cleaning machine 1 to clean the target object; the method specifically comprises the following steps: the cleaning time, temperature and frequency are set to clean the target object.
After the target object is cleaned, the moving mechanism 4 drives the cleaning machine 1 to expose the target object relative to the substrate console 100, and the heating fan 3 is started to perform blow-drying treatment on the target object.
After the target object is dried, the waste liquid treatment mechanism 5 is started to extract and treat the cleaning agent 24 in the cleaning machine 1.
In summary, the following steps: the multi-material three-dimensional printing cleaning device is in signal connection with the controller 7, manual cleaning is not needed, potential safety hazards of manual operation are avoided, and cleaning efficiency is improved;
by arranging the conveying mechanism 2 and the cleaning machine 1, after printing of the target object is finished, the target object is cleaned immediately, so that the influence of the surface of an adherend of an upper printing material on the solidification of a lower layer material is avoided, and the performance of the target object is not influenced by the mixing of the materials;
by providing the waste liquid treatment means 5, the used cleaning agent 24 is treated in time, and an effect of protecting the environment is achieved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (11)
1. The utility model provides a many materials three-dimensional printing belt cleaning device, with controller signal connection, its characterized in that includes:
the cleaning machine is used for cleaning a target object, and the target object is formed on a substrate console of the three-dimensional printing device;
the conveying mechanism is used for placing a cleaning agent and conveying the cleaning agent to the cleaning machine;
the heating fan is arranged on one side of the cleaning machine and used for drying the cleaned target object;
a moving mechanism connected with the cleaning machine or the substrate console to drive one of the cleaning machine and the substrate console to move relative to the other;
when at least one layer of the target object is printed, the moving mechanism drives the cleaning machine or the substrate control table to move so that the cleaning machine is in contact with the target object and cleans the target object.
2. The multi-material three-dimensional printing and cleaning device as claimed in claim 1, wherein the moving mechanism comprises a driving member movable in a vertical direction and a telescopic rod connected with the driving member and moving in a horizontal direction.
3. The multi-material three-dimensional printing cleaning device as claimed in claim 1, wherein the conveying mechanism comprises at least one injection pump, an injection tube connected with the injection pump and used for placing cleaning agent, and a feeding tube connected with the injection tube.
4. The multi-material three-dimensional printing cleaning device according to claim 1, further comprising a waste liquid treatment mechanism connected to the cleaning machine.
5. The multi-material three-dimensional printing cleaning device according to claim 4, wherein the waste liquid treatment mechanism comprises a water suction pump, a discharge pipe connected with the water suction pump, and an electromagnetic valve arranged on the discharge pipe and used for controlling the discharge pipe to be opened or closed.
6. The multi-material three-dimensional printing cleaning device according to claim 1, further comprising a water level sensor disposed on the cleaning machine for detecting a liquid level.
7. A multi-material three-dimensional printing cleaning method, which is characterized by adopting the multi-material three-dimensional printing cleaning device as claimed in claim 1, and the method comprises the following steps:
adding a cleaning agent into the conveying mechanism, and conveying the cleaning agent into the cleaning machine by the conveying mechanism;
after at least one layer of target object is printed, starting a moving mechanism to enable one of the cleaning machine and the substrate control table to move relative to the other until the printed target object is soaked in the cleaning agent;
starting the cleaning machine to clean the target object;
after the target object is cleaned, the moving mechanism drives one of the cleaning machine and the substrate control table to move relative to the other so as to expose the target object, and the heating fan is started to blow the target object.
8. The multi-material three-dimensional printing cleaning method according to claim 7, wherein after the printing of the at least one layer of target object is completed, the moving mechanism is started to move one of the cleaning machine and the substrate console relative to the other until the printed target object is soaked in the cleaning agent, specifically:
starting the moving mechanism to enable one of the cleaning machine and the substrate console to move relative to the other until the bottom of the substrate console is contacted with the liquid level of the cleaning agent, recording the position information of the substrate console and/or the cleaning machine at the moment as a first position, wherein the first position is h0＝0；
If the materials of the two adjacent layers of targets are different, after the first layer of target is printed, the moving mechanism drives the cleaning machine or the substrate control table to move to a first position, so that the first layer of target is soaked in the cleaning agent to be cleaned;
after the nth layer of target object is printed, the moving mechanism drives the cleaning machine or the substrate control platform to move to the position below or above the first position
Height to clean the nth layer of target object, hiIs the layer thickness of the ith layer of target;
wherein n is an integer of 2 or more.
9. The multi-material three-dimensional printing cleaning method according to claim 7, wherein after the printing of the at least one layer of target object is completed, the moving mechanism is started to move one of the cleaning machine and the substrate console relative to the other until the printed target object is soaked in the cleaning agent, specifically:
starting the moving mechanism to enable one of the cleaning machine and the substrate console to move relative to the other until the bottom of the substrate console is contacted with the liquid level of the cleaning agent, recording the position information of the substrate console and/or the cleaning machine at the moment as a first position, wherein the first position is h0＝0；
If the materials of the m layers of target objects are the same, after the m layers of target objects are printed, the moving mechanism drives the cleaning machine or the substrate control platform to move to the position below or above the first position
The height is used for cleaning the m layers of target objects, wherein n is the total number of layers of the current printing target object, hiIs the layer thickness of the ith layer of target;
wherein n is more than or equal to m and more than or equal to 2 and is an integer.
10. The multi-material three-dimensional printing cleaning method according to claim 7, wherein the step of starting the cleaning machine to clean the target object is specifically as follows:
the cleaning time, temperature and frequency are set to clean the target object.
11. The multi-material three-dimensional printing cleaning method according to claim 7, wherein the multi-material three-dimensional printing cleaning apparatus further comprises a waste liquid treatment mechanism, and the method further comprises:
and after the target object is dried, the waste liquid treatment mechanism is started to extract and treat the cleaning agent in the cleaning machine.
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| CN202010191218.5A CN113492530A (en) | 2020-03-18 | 2020-03-18 | Multi-material three-dimensional printing and cleaning device and method |
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| CN202010191218.5A CN113492530A (en) | 2020-03-18 | 2020-03-18 | Multi-material three-dimensional printing and cleaning device and method |
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| JPH0760844A (en) * | 1993-08-27 | 1995-03-07 | Olympus Optical Co Ltd | Manufacture of three-dimensional structure |
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