CN113119275A - Joint device for 3D printing of cement - Google Patents
Joint device for 3D printing of cement Download PDFInfo
- Publication number
- CN113119275A CN113119275A CN202010044503.4A CN202010044503A CN113119275A CN 113119275 A CN113119275 A CN 113119275A CN 202010044503 A CN202010044503 A CN 202010044503A CN 113119275 A CN113119275 A CN 113119275A
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- CN
- China
- Prior art keywords
- cement
- printing
- input device
- sensor
- stirring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004568 cement Substances 0.000 title claims abstract description 58
- 238000010146 3D printing Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 34
- 229910052742 iron Inorganic materials 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 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
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/02—Conditioning the material prior to shaping
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The invention relates to a joint device for 3D printing of cement, which comprises a material input device, a stirring device and a material output device, wherein the material input device is connected with the stirring device through a pipeline; the upper part of the stirring device is provided with an input device, and the bottom of the stirring device is communicated with an output device; a bayonet for installing and fixing a cement pipeline is arranged on the outer side of the input device, a filter screen for filtering cement is arranged in the input device, a sensor for detecting the volume of cement residues is arranged on the upstream of the filter screen on the material input device, and a residue removing device is arranged between the filter residue detecting sensor and the filter screen; a rotating shaft for speed regulation is arranged in the stirring device, a servo motor is connected above the rotating shaft, and a controllable valve is arranged at the bottom of the stirring device; a width detection device is arranged on the lower side of the output device, and the width detection device is a pair of laser ranging sensors; and the sensor for detecting the volume of the cement residues and the laser ranging sensor are connected to the singlechip. The invention improves the printing efficiency of 3D printing of cement products and reduces manual participation.
Description
Technical Field
The invention relates to a joint device for 3D printing of cement, and belongs to the technical field of 3D printing of cement.
Background
3D printing is one of the rapid prototyping technologies, and has been an early birth and a great development prospect. Researchers in various countries have been widely applied to industries such as automobile design, aerospace and medical treatment in recent years. However, the research and application of 3D printing technology in the automated construction of large-sized building structures is still in the beginning. 3D prints building technology and compares with traditional building, and its advantage lies in: the speed is high, a template is not needed, and the cost can be greatly saved; a large number of construction workers are not needed, and the production efficiency is greatly improved; high cost curvilinear buildings that are otherwise difficult to construct can be very easily printed. Even so, the development process is not plain, and there still exist many problems, for example, the design difficulty of the printing device, the operation error existing in the operation process of the device and the sudden problem occurring in the operation process all can influence the development of the technology in the field.
Disclosure of Invention
Aiming at the problems, the invention provides the joint device for 3D printing of the cement, which can reduce the participation of field workers and improve the printing speed and efficiency. The technical scheme of the invention is as follows:
a joint device for 3D printing of cement comprises a material input device (cement input device), a stirring device and a material output device (cement output device); the upper part of the stirring device is provided with a material input device, and the bottom of the stirring device is communicated with a material output device; preferably, the stirring device is of the conical type.
A bayonet for installing and fixing a cement pipeline is arranged on the outer side of the material input device, so that the cement conveying pipeline can convey cement safely; a filter screen for filtering cement is arranged in the input device, so that cement particles which do not meet the requirements cannot be sent into the container; installing a sensor for detecting the capacity of cement residues on the upstream of a filter screen on a material input device, sending a signal by the sensor when the quantity of the residues is higher than a calibrated value, stopping printing, starting an automatic residue removing device through a single chip microcomputer controller, wherein the residue removing device is positioned between the filter residue detecting sensor and the filter screen, continuously performing 3D printing after the residues are clear, and otherwise, continuously executing the residue removing device until the residue of the filter residues meets the requirement;
a rotating shaft for speed regulation is arranged in the cement stirring device, a servo motor is connected above the rotating shaft, the rotating speed of the rotating shaft is changed by changing the rotating speed of the servo motor, and finally, the cement in the cement stirring device is driven to be extruded out in different width forms through different speeds of the rotating shaft; preferably, the shaft is helical.
The bottom of the cement stirring device is provided with a controllable valve for controlling the output of cement, and the controllable valve is opened when the controllable valve works and is closed when the controllable valve does not work;
the width detection device is installed to material output device downside, and width detection device is a pair of laser rangefinder sensor, and the sensor connects on the singlechip, carries out real-time supervision to the cement width of flowing out, and when cement was too wide or was too narrow and small, laser sensor signals, and the sensor is received and send with higher speed or detected signal and give servo motor, and the automatically regulated detects until meeting the requirements.
The residue removing device is positioned between the filter residue detecting sensor and the filter screen and is formed by combining two motors and two interconnected iron sheets in a pipeline, the iron sheets are connected with the motors, a notch is formed in the outer side of the pipeline to which the iron sheets are attached, the iron sheets can be pulled out, when the residues are excessive, the single chip microcomputer sends a signal to the lower motor, the lower motor is started to pull out the iron sheets so that the residues fall out of the pipeline, after the residues are clear, the lower motor stops working, the single chip microcomputer sends a signal to the upper motor, the upper motor is started to pull back the iron sheets, and after the iron sheets are pulled back, if the filter residue detecting sensor cannot detect the excessive filter residues, the iron sheets are automatically reset. Compared with the prior art, the invention has the following advantages:
compared with the prior equipment, the structure of the invention has simpler structure and definite labor division, solves some problems possibly occurring in printing, such as cement blockage, unsatisfactory width and the like in printing, and is beneficial to the smooth printing process so as to improve the printing efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the material input device;
FIG. 3 is a schematic structural view of an automatic residue removing device for materials;
FIG. 4 is a schematic view of the internal structure of the stirring apparatus;
fig. 5 is a schematic view of the internal structure of the material output device.
Description of the symbols:
100. the cement residue cleaning device comprises a material input device, 101, a filter screen, 102, a sensor for detecting the volume of cement residues, 103, a bayonet, 104, a residue cleaning device, 105, a motor, 106, an iron sheet, 107, a notch, 200, a stirring device, 201, a rotating shaft, 202, a controllable valve, 300, a material output device, 301 and a width detection device.
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. The examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Example 1:
referring to fig. 1-5, a joint device for 3D printing of cement includes a material input device 100, a stirring device 200, and a material output device 300; the stirring device 200 is conical, the upper part is provided with a material input device 100, and the bottom is communicated with a material output device 300;
a bayonet 103 for installing and fixing a cement pipeline is arranged on the outer side of the material input device 100, so that the cement conveying pipeline can convey cement safely; a filter screen 101 for filtering cement is arranged in the material input device 100, so that cement particles which do not meet the requirements cannot be sent into the container; the material input device is characterized in that a sensor 102 for detecting the capacity of cement residues is arranged on the upstream of a filter screen 101 of the material input device, when the quantity of residues is higher than a standard value, the sensor 102 sends a signal to stop printing, a residue removing device 104 is started through a single chip microcomputer controller, the residue removing device 104 is positioned between the filter residue detecting sensor 102 and the filter screen 101 and is formed by combining two motors 105 and two iron sheets 106 which are connected with each other in a pipeline, the iron sheets 106 are connected with the motors 105, a notch 107 is arranged on the outer side of the pipeline to which the iron sheets 106 are attached, the iron sheets can be pulled out, when the quantity of residues is excessive, the single chip microcomputer sends the signal to the motor 105 below, the motor 105 below is started to pull out the iron sheets 106 so that the residues fall out of the pipeline, after the residues are clear, the motor 105 below stops working, the single chip microcomputer sends the signal to the motor 105 above the, and if the filter residue detecting sensor cannot detect excessive filter residue, the automatic reset is carried out. Continuing to perform 3D printing after the residues are clear, or continuing to execute the residue removing device 104 until the residue of the filter residues meets the requirement;
a rotating shaft 201 for speed regulation is arranged in the stirring device 200, a servo motor is connected above the spiral rotating shaft 201, the rotating speed of the rotating shaft is changed by changing the rotating speed of the servo motor, and finally, the cement in the stirring device is driven to be extruded out in different widths through different speeds of the rotating shaft 201; the bottom of the cement stirring device 200 is provided with a controllable valve 202 for controlling the output of cement, and the controllable valve is opened when in work and closed when not in work;
The use method of the invention comprises the following steps:
print and need fix the cement conveyer pipe installation that stirs through bayonet socket 103 before beginning on material input device 100, print the work and begin, material input device 100 begins to send into cement, and filter screen 101 filters the filter residue that does not conform to the requirement, if sensor 102 has the excessive condition of filter residue among the transportation process, stops print the work, starts to clear away filter residue device 104, clears away excessive filter residue totally, and the filter residue is clear after, clears away the filter residue device and restores, and the work is continued to the cement 3D printer.
When cement enters the container, the stirring device 200 can set the rotation speed of the rotating shaft 201 according to the working requirement, thereby controlling the width of the output cement. The container bottom valve 202 will automatically open when printing is required and will automatically close when not in use.
When cement is output from the stirring device, when the width detection device 301 detects that the width of the flowing cement is not in accordance with the requirement, a control signal is sent to the rotating shaft 201 in the container to change the rotating speed until the flowing width is in accordance with the requirement.
Claims (4)
1. A joint device for 3D printing of cement comprises a material input device, a stirring device and a material output device; the upper part of the stirring device is provided with a material input device, and the bottom of the stirring device is communicated with a material output device; it is characterized in that the preparation method is characterized in that,
a bayonet for installing and fixing a cement pipeline is arranged on the outer side of the material input device, a filter screen for filtering cement is arranged in the input device, a sensor for detecting the capacity of cement residues is arranged on the upstream of the filter screen on the material input device, and a residue removing device is arranged between the filter residue detecting sensor and the filter screen;
a rotating shaft for speed regulation is arranged in the stirring device, a servo motor is connected above the rotating shaft, and a controllable valve is arranged at the bottom of the cement stirring device;
a width detection device is arranged on the lower side of the material output device, and the width detection device is a pair of laser ranging sensors;
and the sensor for detecting the volume of the cement residues and the laser ranging sensor are connected to the singlechip.
2. A joining device for 3D printing of cement according to claim 1, characterised in that said stirring means are of the conical type.
3. A joint arrangement for 3D printing of cement according to claim 1, characterised in that the shaft is helical.
4. A joint arrangement for 3D printing of cement as claimed in claim 1, wherein the debris removal means is formed by two motors combined with two interconnected iron plates in the conduit, the iron plates being connected to the motors, the outside of the conduit to which the iron plates are attached being provided with a gap.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044503.4A CN113119275A (en) | 2020-01-16 | 2020-01-16 | Joint device for 3D printing of cement |
| ZA2021/00216A ZA202100216B (en) | 2020-01-16 | 2021-01-13 | Joint device for cement 3d printing technical field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010044503.4A CN113119275A (en) | 2020-01-16 | 2020-01-16 | Joint device for 3D printing of cement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113119275A true CN113119275A (en) | 2021-07-16 |
Family
ID=74667858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010044503.4A Pending CN113119275A (en) | 2020-01-16 | 2020-01-16 | Joint device for 3D printing of cement |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113119275A (en) |
| ZA (1) | ZA202100216B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106617239A (en) * | 2017-01-11 | 2017-05-10 | 张晓光 | Extrusion molding 3D printer |
| CN109514691A (en) * | 2019-01-21 | 2019-03-26 | 齐鲁工业大学 | A kind of multi-pass pipe joint, cement ejecting device and cement products 3D printer |
| CN110421681A (en) * | 2019-07-10 | 2019-11-08 | 中国建筑第八工程局有限公司 | Walking builds 3D printing process control system and method |
-
2020
- 2020-01-16 CN CN202010044503.4A patent/CN113119275A/en active Pending
-
2021
- 2021-01-13 ZA ZA2021/00216A patent/ZA202100216B/en unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106617239A (en) * | 2017-01-11 | 2017-05-10 | 张晓光 | Extrusion molding 3D printer |
| CN109514691A (en) * | 2019-01-21 | 2019-03-26 | 齐鲁工业大学 | A kind of multi-pass pipe joint, cement ejecting device and cement products 3D printer |
| CN110421681A (en) * | 2019-07-10 | 2019-11-08 | 中国建筑第八工程局有限公司 | Walking builds 3D printing process control system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA202100216B (en) | 2021-02-24 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210716 |
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| RJ01 | Rejection of invention patent application after publication |