CN115071129A - Be used for fashioned accurate metering feeding device of liquid material of powder inkjet bonding printing - Google Patents
Be used for fashioned accurate metering feeding device of liquid material of powder inkjet bonding printing Download PDFInfo
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- CN115071129A CN115071129A CN202210538253.9A CN202210538253A CN115071129A CN 115071129 A CN115071129 A CN 115071129A CN 202210538253 A CN202210538253 A CN 202210538253A CN 115071129 A CN115071129 A CN 115071129A
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- Prior art keywords
- metering
- liquid
- valve
- printing
- storage barrel
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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
- B29C64/165—Processes of additive manufacturing using a combination of solid and fluid materials, e.g. a powder selectively bound by a liquid binder, catalyst, inhibitor or energy absorber
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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
- B29C64/314—Preparation
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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
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/343—Metering
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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
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/10—Pre-treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Ink Jet (AREA)
Abstract
The invention provides a liquid material accurate metering supply device for powder ink-jet bonding, printing and forming, which comprises a liquid storage barrel, a metering pipe and a stirring device, wherein one side of the bottom of the metering pipe is communicated with the bottom of the liquid storage barrel, and the other side of the bottom of the metering pipe is communicated with the stirring device; the top of metering tube is through being connected with the air supply, and the liquid material in the stock solution bucket enters into the metering tube in the intercommunication between stock solution bucket and the metering tube seal, the air supply through entering into the metering tube and with the liquid material according to setting for the volume impress in agitating unit. The device can realize the metering supply of strong acid and strong corrosive liquid materials with small volume and high precision, and has simple structure, convenient operation and strong stability.
Description
Technical Field
The invention belongs to the field of additive manufacturing, and particularly relates to a method for accurately and quantitatively supplying liquid materials for powder ink jet bonding printing and forming.
Background
Powder ink-jet bonding, printing and forming are one of the main forming modes in the field of additive manufacturing at present, the working process of the powder ink-jet bonding, printing and forming method generally comprises the steps of uniformly stirring and mixing a powder material and a curing agent, uniformly paving the mixed powder on a printing platform according to a certain layer thickness through a powder paving device, then spraying a graph of a slicing file onto the paved powder layer by a printing head, descending the platform by one layer thickness height after the spraying is finished, and finally realizing the bonding and printing of the three-dimensional part according to the processes of powder paving, spraying and printing and descending the platform.
In the process of powder ink-jet bonding printing and forming, a plurality of liquid materials need to be accurately supplied, the used liquid materials generally have strong acidity and strong corrosivity, and a common liquid metering device cannot bear the corrosivity of the liquid materials easily. Meanwhile, the proportion requirement of powder and liquid materials for powder ink-jet bonding printing forming is very strict, the adding amount of the liquid materials is about dozens of milliliters generally, the quality of printed parts can be improved only by accurately metering and supplying the adding amount of the liquid materials according to the proportion, and the higher requirement of the smaller adding amount of the liquid materials on the accuracy of a common liquid metering device is met. The conventional metering devices generally use syringe pumps, ultrasonic level meters, flow meters and the like. The viscosity of the liquid material is high, the flow meter type devices are easy to block and damage after long-time operation, and meanwhile, the electric actuating device is easy to damage due to the strong corrosivity of the liquid material; the metering device of the injection pump utilizes the piston to extrude liquid to realize quantitative metering, and the piston is easy to wear after long-time use, thereby causing liquid leakage and inaccurate measurement; the ultrasonic non-contact liquid level meter can realize liquid metering of large and medium volumes, and cannot realize liquid metering of small volume and high precision.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the accurate liquid material metering and supplying device for powder ink-jet bonding, printing and forming, which can realize small-volume and high-precision metering and supplying of strong-acid and strong-corrosivity liquid materials, and has the advantages of simple structure, convenience in operation and high stability.
In order to achieve the purpose, the invention adopts the following technical scheme:
a liquid material accurate metering supply device for powder ink-jet bonding printing forming comprises a liquid storage barrel, a liquid level metering device and a stirring device, wherein the liquid level metering device comprises a metering pipe; one side of the bottom of the metering pipe is controllably communicated with the bottom of the liquid storage barrel through a pipeline, and the other side of the bottom of the metering pipe is controllably communicated with the stirring device through a pipeline; the top of metering tube is connected with air supply one through the air inlet, and back in the liquid material in the stock solution bucket enters into the metering tube, the intercommunication between stock solution bucket and the metering tube is sealed, and the air supply enters into the metering tube and impresses the liquid material in the metering tube into agitating unit according to set amount once the air inlet.
The liquid level metering device also comprises a floating ball type liquid level meter arranged in the metering pipe, the floating ball type liquid level meter is provided with a floating ball which goes up and down along with the height of the liquid, and when the floating ball is lowered to a set position along with the reduction of the liquid, the liquid material entering the stirring device reaches the set amount.
The metering pipe is provided with a first valve on a pipeline communicated with the liquid storage barrel, the top of the metering pipe is provided with an exhaust port communicated with the atmosphere, the exhaust port is provided with a second valve, and the first valve and the second valve are controlled by a gas source II to be opened and closed simultaneously.
And an exhaust piece is arranged on the exhaust port.
The first air source and the second air source are controllable air sources, and the controllable air sources are obtained by manually controlling the opening and closing of the air sources.
And a third valve is arranged on a pipeline for communicating the metering pipe with the stirring device, and is controlled to be opened and closed by a first air source.
The first valve, the second valve and the third valve are all pneumatic diaphragm valves.
The liquid storage barrel is provided with a liquid inlet.
Two liquid level sensors are installed on the side surface of the liquid storage barrel and used for detecting the high-level and low-level of the liquid to be measured.
And the top of the liquid storage barrel is provided with an exhaust piece communicated with the atmosphere.
The invention has the technical effects that:
all actuating devices in the invention are pneumatic elements, have strong anti-interference capability, are suitable for being used in severe environments with strong acid and strong corrosivity, have simple structure and easy operation, and can realize small-volume accurate supply of liquid materials in the powder material ink-jet bonding, printing and molding process.
Drawings
The invention will be further described with reference to the accompanying drawings, which are only schematic illustrations and illustrations of the invention, and do not limit the scope of the invention.
FIG. 1 is a schematic view of the structure of the device of the present invention.
Wherein:
1-a first sensor; 2-sensor two; 3-a liquid storage barrel; 4-liquid inlet II; 5-a first exhaust part; 6-exhaust member two; 7-diaphragm valve II; 8-an exhaust port; 9-a metering tube; 10-an air inlet; 11-a stirring device; 12-diaphragm valve III; 13-a first liquid outlet; 14-liquid inlet I; 15-a liquid level meter; 16-a floating ball; 17-diaphragm valve one; and 18-a second liquid outlet.
Detailed Description
The following detailed description is given with reference to specific examples, but the scope of the present invention is not limited by the specific embodiments.
The invention provides a liquid material accurate metering and supplying device for powder ink-jet bonding, printing and molding, which comprises a liquid storage barrel, a liquid level metering device and a stirring device, wherein the liquid storage barrel is used for storing liquid materials to be metered, and the liquid level metering device can accurately meter the volume of the liquid materials to be added and convey the liquid materials to the stirring device.
As shown in fig. 1, the liquid level metering device includes a metering pipe 9 and a ball float type liquid level meter 15 provided in the metering pipe 9; the controllable intercommunication in bottom one side of measuring pipe 9 and stock solution bucket 3 bottom through the pipeline, and this controllable intercommunication is accomplished by diaphragm valve 17 that sets up on the pipeline, realizes the intercommunication and the closure of stock solution bucket 3 and measuring pipe 9 bottom through the switching of diaphragm valve 17. The other side of the bottom of the metering tube 9 is in controllable communication with the stirring device 11 through a pipeline, and the controllable communication is completed by a diaphragm valve three 12 arranged on the pipeline. The top of the metering tube 9 is connected with a first air source through an air inlet 10, after liquid materials in the liquid storage barrel 3 enter the metering tube 9, the communication between the liquid storage barrel 3 and the metering tube 9 is closed by a diaphragm valve 17, the air source enters the metering tube 9 through the air inlet 10 and presses the liquid materials in the metering tube 9 into the stirring device 11, in order to realize accurate metering, the floating ball type liquid level meter 15 is provided with a floating ball 16 ascending and descending along with the height of the liquid, and when the floating ball 16 is reduced to a set position along with the reduction of the liquid in the metering tube 9, the liquid materials entering the stirring device 11 reach a set amount.
An exhaust port 8 is formed in the top of the metering pipe 9, a diaphragm valve II 7 is arranged on the exhaust port 8, an exhaust part II 6 is arranged on the outer side of the diaphragm valve II 7, and the metering pipe 9 is communicated with the atmosphere through the exhaust part II 6. The diaphragm valve I17 and the diaphragm valve II 7 are both communicated with the same air source II, and the air source II controls the diaphragm valve I17 and the diaphragm valve II 7 to be opened and closed simultaneously.
The diaphragm valve III 12 is connected with the air source I and is controlled to open and close by the air source I. The first air source and the second air source are controllable air sources, and the controllable air sources refer to that the air sources can be manually controlled to be opened and closed.
Be provided with inlet 4 and the communicating exhaust member of atmosphere 5 on the 3 tops of stock solution bucket, two level sensor are installed to the side-mounting of stock solution bucket 3: the sensor I1 and the sensor II 2 are used for detecting the high-level and low-level of the liquid material to be measured.
The using method of the device comprises the following steps:
(1) when the first air source and the second air source are closed, the diaphragm valve I17 is in a closed state, namely the second liquid outlet 18 is closed, the liquid material to be measured enters the liquid storage barrel 3 through the second liquid inlet 4 until the sensor II 2 and the sensor I1 are simultaneously triggered, and the conveying of the liquid material to be measured is stopped;
(2) opening the air source II, closing the air source I, opening the diaphragm valve I17 and the diaphragm valve II 7, and then connecting the metering pipe 9 with the atmosphere; meanwhile, the diaphragm valve III 12 is closed, namely the liquid outlet I13 of the metering pipe 9 is in a closed state, and the air inlet 10 of the metering pipe 9 is also in a closed state due to the closing of the air source I;
(3) the liquid storage barrel 3 is communicated with the metering pipe 9, liquid materials in the liquid storage barrel 3 can be filled into the metering pipe 9, at the moment, a floating ball 16 of a floating ball liquid level meter 15 in the metering pipe 9 can rise along with the liquid level under the action of buoyancy, the liquid materials can automatically stop being filled until the liquid levels of the liquid storage barrel 3 and the metering pipe 9 are equal, and the floating ball liquid level meter 15 can record the current liquid level; the current volume of the liquid to be measured of the liquid storage barrel 3 can be obtained by calculating the height of the liquid level and the sectional area of the liquid storage barrel 3;
(4) when the second air source is closed and the first air source is opened, the first diaphragm valve 17 and the second diaphragm valve 7 are closed, and the metering pipe 9 is communicated with the atmosphere in a cutting way; simultaneously, the diaphragm valve III 12 is opened, namely, the liquid outlet I13 of the metering pipe is in an open state; the first gas source enters the metering pipe 9 through the metering pipe gas inlet 10, and the liquid material is pressed out from the first liquid outlet 13 by positive pressure gas and flows into the stirring device 11.
(5) The floating ball 16 of the floating ball liquid level meter 15 descends along with the liquid level of the metering pipe 9, the height difference between the floating ball liquid level meter and the initial liquid level is recorded, the volume of liquid materials added into the stirring device 11 can be calculated, when the set volume of the added liquid materials is reached, the gas source is closed, the liquid materials are stopped being added, and the whole device is in the initial state.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides an accurate measurement feeding device of liquid material for powder inkjet bonding printing shaping, includes stock solution bucket, liquid level metering device and agitating unit, its characterized in that:
the liquid level metering device comprises a metering pipe;
one side of the bottom of the metering pipe is controllably communicated with the bottom of the liquid storage barrel through a pipeline, and the other side of the bottom of the metering pipe is controllably communicated with the stirring device through a pipeline; the top of metering tube is connected with air supply one through the air inlet, and back in the liquid material in the stock solution bucket entered into the metering tube, the intercommunication between stock solution bucket and the metering tube was sealed, and the air supply enters into the metering tube and impresses the liquid material in the metering tube according to the set amount into agitating unit once through the air inlet.
2. The apparatus of claim 1, further comprising a float-type level gauge disposed in the metering tube, the float-type level gauge having a float that rises and falls with the level of the liquid, wherein the liquid level gauge reaches a set level when the float falls to a set level with the decrease of the liquid.
3. The device for accurately metering and supplying the liquid material for powder ink-jet bonding printing and forming as claimed in claim 1, wherein a first valve is arranged on a pipeline of the metering pipe communicated with the liquid storage barrel, an exhaust port communicated with the atmosphere is arranged at the top of the metering pipe, a second valve is arranged on the exhaust port, and the first valve and the second valve are controlled by a gas source two to be opened and closed simultaneously.
4. The device for accurately metering and supplying liquid for powder ink-jet bonding printing and forming as claimed in claim 3, wherein the exhaust port is provided with an exhaust member.
5. The precise metering device for liquid materials for powder ink jet bonding printing molding according to claim 3, wherein the first air source and the second air source are controllable air sources.
6. The device for accurately metering and supplying liquid materials for powder ink-jet bonding, printing and forming as claimed in claim 3, wherein a third valve is arranged on a pipeline of the metering pipe communicated with the stirring device, and the third valve is controlled to be opened and closed by a gas source I.
7. The apparatus according to claim 6, wherein the first valve, the second valve and the third valve are all pneumatic diaphragm valves.
8. The device for accurately metering and supplying liquid materials for powder ink-jet bonding, printing and forming as claimed in claim 6, wherein a liquid inlet is arranged on the liquid storage barrel.
9. The precise metering and supplying device for the liquid materials for the powder ink-jet bonding printing forming of claim 8, wherein two liquid level sensors are installed on the side surface of the liquid storage barrel and used for detecting the high level and the low level of the liquid materials to be metered.
10. The precise metering and supplying device for the liquid material for the powder ink-jet bonding printing and forming of claim 9, wherein the top of the liquid storage barrel is provided with an air exhaust piece communicated with the atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210538253.9A CN115071129A (en) | 2022-05-18 | 2022-05-18 | Be used for fashioned accurate metering feeding device of liquid material of powder inkjet bonding printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210538253.9A CN115071129A (en) | 2022-05-18 | 2022-05-18 | Be used for fashioned accurate metering feeding device of liquid material of powder inkjet bonding printing |
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| Publication Number | Publication Date |
|---|---|
| CN115071129A true CN115071129A (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210538253.9A Pending CN115071129A (en) | 2022-05-18 | 2022-05-18 | Be used for fashioned accurate metering feeding device of liquid material of powder inkjet bonding printing |
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| CN (1) | CN115071129A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206550288U (en) * | 2017-02-17 | 2017-10-13 | 江苏立元三维铸造科技有限公司 | A kind of three-dimensional sand mold printer quantitative liquid feeding transmitting device |
| CN109228327A (en) * | 2018-09-20 | 2019-01-18 | 共享智能铸造产业创新中心有限公司 | Liquid precise metering device and 3DP printing device |
| CN110253711A (en) * | 2019-07-30 | 2019-09-20 | 辽宁森远增材制造科技有限公司 | Ink jet type 3D printer curing agent liquid-supplying system |
| CN112277314A (en) * | 2020-09-30 | 2021-01-29 | 共享智能铸造产业创新中心有限公司 | Ink supply system and 3D printer |
-
2022
- 2022-05-18 CN CN202210538253.9A patent/CN115071129A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206550288U (en) * | 2017-02-17 | 2017-10-13 | 江苏立元三维铸造科技有限公司 | A kind of three-dimensional sand mold printer quantitative liquid feeding transmitting device |
| CN109228327A (en) * | 2018-09-20 | 2019-01-18 | 共享智能铸造产业创新中心有限公司 | Liquid precise metering device and 3DP printing device |
| CN110253711A (en) * | 2019-07-30 | 2019-09-20 | 辽宁森远增材制造科技有限公司 | Ink jet type 3D printer curing agent liquid-supplying system |
| CN112277314A (en) * | 2020-09-30 | 2021-01-29 | 共享智能铸造产业创新中心有限公司 | Ink supply system and 3D printer |
Non-Patent Citations (1)
| Title |
|---|
| 马爱霞等, 中国医药科技出版社 * |
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