CN211640337U - Vacuum defoaming device for gel casting - Google Patents
Vacuum defoaming device for gel casting Download PDFInfo
- Publication number
- CN211640337U CN211640337U CN201922485698.1U CN201922485698U CN211640337U CN 211640337 U CN211640337 U CN 211640337U CN 201922485698 U CN201922485698 U CN 201922485698U CN 211640337 U CN211640337 U CN 211640337U
- Authority
- CN
- China
- Prior art keywords
- controller
- gel casting
- defoaming
- vacuum degassing
- degassing apparatus
- 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.)
- Active
Links
Images
Landscapes
- Degasification And Air Bubble Elimination (AREA)
Abstract
The utility model relates to a vacuum defoaming device for gel casting, including defoaming jar (1) including jar body (11) and lid (12) that have agitating unit, with evacuating device (2) that jar body (11) are connected, its characterized in that: an initiator container (121) is arranged on the cover body (12) in a matched mode, a valve is arranged in a channel through which the initiator container (121) is communicated with the tank body (11), the valve is connected with a controller (5), and an operator controls the valve to be opened and closed through the controller; and a transparent observation window (122) for checking the defoaming condition in the tank body (11) is arranged on the cover body (12). The vacuum defoaming device can accurately judge the adding time of the initiator.
Description
Technical Field
1. The utility model relates to a gel casting field especially relates to a vacuum defoamation device for gel casting.
Background
2. The gel casting technology is a wet forming process of ceramics, and compared with other wet forming processes, the process has the outstanding advantages of simple equipment, uniform composition of a formed blank body, few defects, difficult deformation, net-size forming of parts with complex shapes, strong practicability and the like, and is widely applied to Al2O3、ZrO2、SiC、AlN、 Si3N4Etc. oxide or non-oxide precision ceramic systems.
3. In the process of the gel casting process, the slurry needs to be subjected to vacuum defoaming, an initiator is added to promote polymerization after the defoaming is finished, and then the injection molding is rapidly carried out. However, in the prior art, the defoaming equipment is difficult to accurately judge the adding time of the initiator, and if the initiator is added too early, the defoaming is not completed, and the prepared green body has air holes, which affects the quality of the product; the initiator is added too late, and because the vacuum pumping is kept for a long time in the vacuum defoaming process, the moisture content is continuously reduced, the moisture content is too low, and the blank body can crack in the subsequent drying process, so that the quality of the product is influenced. Therefore, in order to ensure the quality of gel-casting products, a vacuum degassing apparatus for gel-casting, which can accurately judge the timing of adding an initiator, is required.
SUMMERY OF THE UTILITY MODEL
4. The utility model aims to solve the technical problem that the current situation to prior art provides a can accurately judge vacuum deaeration jar for gel casting that initiating agent adds opportunity.
5. The utility model provides a technical scheme that above-mentioned technical problem adopted does: a vacuum defoaming device for gel casting comprises a defoaming tank, wherein the defoaming tank comprises a tank body, a cover body with a stirring device and a vacuumizing device connected with the tank body, an initiator container is arranged on the cover body in a matching manner, a valve is arranged in a channel for communicating the initiator container with the tank body, the valve is connected with a controller, and an operator controls the valve to be opened and closed through the controller; and the cover body is provided with a transparent observation window for checking the defoaming condition in the tank body.
6. In order to observe the defoaming condition in a whole manner, a plurality of observation windows are arranged on the cover body at intervals along the circumferential direction.
7. The function of evacuating device can make the internal loss moisture of jar at deaeration in-process, can assist through the loss volume of moisture to judge whether the vacuum deaeration process is accomplished, further improves the accuracy of judging the deaeration degree, jar body bottom still is equipped with and is used for right the weighing device that the total mass of debubbling jar was weighed, weighing device is connected with the controller, be equipped with on the controller and be used for showing the display screen of the total mass of debubbling jar.
8. The excessive vacuum defoaming can cause the moisture in the slurry to be too little, so that the green bodies injected with the slurry are cracked in the subsequent drying process, an alarm is further arranged on the controller in order to prevent the carelessness of an operator and not realize that the defoaming process is finished, and the alarm gives an alarm when the weighing of the weighing device reaches a preset value.
9. In order to facilitate the adjustment of different stirring parameters according to different conditions to obtain a better defoaming effect, the stirring device is connected with the controller, the controller is provided with a control panel for controlling the stirring parameters of the stirring device, and the display screen is used for displaying the stirring parameters.
10. In order to further improve the accuracy of judging the adding time of the initiator, the device is also provided with a pressure gauge for measuring the pressure in the tank body, and the pressure gauge is connected with the controller and displays a pressure numerical value through the display screen.
11. In order to obtain better stirring effect, the stirring rod of the stirring device is of an anchor type, and is provided with auger blades along the winding of the stirring rod.
12. In order to facilitate the operation, a button for opening and closing the valve is arranged on the controller.
13. In order to prevent corrosion of the tank body and prevent slurry from being polluted, the inner wall of the tank body is coated with an anticorrosive coating.
14. Preferably, the anti-corrosion coating is made of any one of epoxy resin, teflon, organic silicon and the like.
15. Compared with the prior art, the utility model has the advantages of: this embodiment makes operating personnel can judge the deaeration condition through observing the thick liquids state in the deaeration jar through the setting of transparent observation window to open the valve through the controller and carry out the input of initiating agent, can judge the joining opportunity of initiating agent more accurately, and adopt this kind of structure to carry out the input of initiating agent, it is also very convenient to operate.
Drawings
16. Fig. 1 is a schematic structural view showing a state in which a lid body of a deaerating tank and the deaerating tank are separated from each other according to an embodiment of the present invention.
Detailed Description
17. The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.
18. As shown in fig. 1, the vacuum defoaming device for gel casting comprises a defoaming tank 1, wherein the defoaming tank 1 comprises a tank body 11, a cover body 12 with a stirring device, and a vacuumizing device 2 connected with the tank body 11, an initiator container 121 is arranged on the cover body 12 in a matching manner, a valve is arranged in a channel for communicating the initiator container 121 with the tank body 11, the valve is connected with a controller 5, and an operator controls the valve to open and close through the controller; the lid 12 is provided with a transparent observation window 122 for checking the defoaming condition in the can 11. In order to observe the defoaming condition in a whole manner, only one observation window 122 is illustrated in the drawings in which a plurality of observation windows are arranged at intervals in the circumferential direction on the upper cover. The vacuum-pumping device 2 of the embodiment is a vacuum pump, a vacuum valve 3 is arranged on a first pipeline connecting the vacuum pump and the tank body 11, and the vacuum valve is opened when vacuum pumping is needed; in addition, a second pipeline connected with the outside atmosphere is arranged on the tank body 11, and a vent valve 4 is arranged on the second pipeline and is opened when the air needs to be vented into the tank body 11.
19. The slurry stirred in this example was an aqueous slurry of zinc oxide. The controller 5 of this embodiment is provided with a button for opening and closing the valve, and when an operator observes that the surface of the slurry liquid in the tank 11 is calm and no obvious bubble floats out of the liquid, the operator can press the button to open the valve and put in the initiator when determining that the deaeration is completed.
20. The function of evacuating device 2 can make jar internal loss moisture 11 at the deaeration in-process, can assist through the loss volume of moisture to judge whether the vacuum deaeration process is accomplished, further improves the accuracy of judging the deaeration degree, and jar 11 bottom still is equipped with the weighing device 8 that is used for weighing to the total mass of deaeration jar 1, and weighing device 8 is connected with controller 5, is equipped with the display screen that is used for showing the total mass of deaeration jar 1 on the controller 5. The weighing device 8 of the present embodiment is a precision electronic scale. The vacuum-pumping device 2 used in this embodiment is a 1.5KW vacuum pump, and the initial mass of the deaerating tank 1 in this embodiment is 110.768Kg, when the mass on the display screen is viewed to be 110.568 Kg-110.668 Kg.
21. Vacuum defoamation for too long can make the moisture in the thick liquids too little to lead to the unburned bricks of thick liquids injection to take place the fracture in subsequent drying process, in order to prevent operating personnel's carelessness and not realize that the defoaming process has been accomplished, still be equipped with the alarm on the controller 5, when weighing of weighing device 8 reaches the default, the alarm sends the police dispatch newspaper. The weighing device 8 of the present example has a preset value of 110.668 Kg. The alarm can be a buzzer alarm, or an alarm capable of flashing a red light, or an alarm capable of simultaneously realizing buzzer and red light flashing and other suitable alarm forms.
22. In order to obtain better deaeration effect according to different stirring parameters of different conditions regulation for the convenience, agitating unit is connected with controller 5, is equipped with the control panel that is used for controlling agitating unit's stirring parameter on the controller 5, and the display screen is used for showing the stirring parameter. The stirring parameters include stirring time, stirring speed and the like.
23. In order to further improve the accuracy of judging the adding time of the initiator, a pressure gauge 6 for measuring the pressure in the tank body 11 is also arranged, and the pressure gauge 6 is connected with the controller 5 and displays the pressure value through a display screen. The pressure value of the embodiment is 0.5-1 x 10-2Pa indicates that the defoaming is completed.
24. The stirring device comprises a driving motor 71 and a stirring rod 72, and in order to obtain a better stirring effect, the stirring rod 72 of the stirring device is of an anchor type, and an auger blade 73 is wound along the stirring rod 72.
25. In order to prevent corrosion of the tank body 11 and prevent slurry from being polluted, the inner wall of the tank body 11 is coated with an anticorrosive coating, and the anticorrosive coating is made of any one of epoxy resin, teflon, organic silicon and the like.
26. When the vacuum defoaming device is used, slurry is poured into the tank body 11, and the cover body 12 is covered; starting a stirring device after setting stirring parameters; and the evacuation device 2 is started. An operator pays attention to observe the defoaming condition in the defoaming tank 1 through the observation window 122, and pays attention to view the numerical value of the total mass and the numerical value of the pressure of the defoaming tank 1 on the display screen; when the state of the slurry, the numerical value of the total mass and the numerical value of the pressure all meet the requirements, the valve is opened by pressing the key, and the initiator is sucked into the tank body 11 by the pressure difference because the inside of the tank body 11 is in negative pressure relative to the initiator container 121.
27. The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a vacuum defoaming device for gel casting, includes defoaming jar (1), defoaming jar (1) including jar body (11) and lid (12) that have agitating unit, with evacuating device (2) that jar body (11) are connected, its characterized in that: an initiator container (121) is arranged on the cover body (12) in a matched mode, a valve is arranged in a channel through which the initiator container (121) is communicated with the tank body (11), the valve is connected with a controller (5), and an operator controls the valve to be opened and closed through the controller (5); and a transparent observation window (122) for checking the defoaming condition in the tank body (11) is arranged on the cover body (12).
2. The vacuum degassing apparatus for gel casting according to claim 1, wherein: the plurality of observation windows (122) are arranged on the cover body (12) at intervals in the circumferential direction.
3. The vacuum degassing apparatus for gel casting according to claim 1, wherein: the bottom of the tank body (11) is also provided with a weighing device (8) for weighing the total mass of the defoaming tank (1), the weighing device (8) is connected with the controller (5), and the controller (5) is provided with a display screen for displaying the total mass of the defoaming tank (1).
4. The vacuum degassing apparatus for gel casting according to claim 3, wherein: the controller (5) is further provided with an alarm, and when the weighing device (8) weighs to a preset value, the alarm gives an alarm.
5. The vacuum degassing apparatus for gel casting according to claim 3, wherein: the stirring device is connected with the controller (5), a control panel used for controlling the stirring parameters of the stirring device is arranged on the controller (5), and the display screen is used for displaying the stirring parameters.
6. The vacuum degassing apparatus for gel casting according to claim 3, wherein: the pressure gauge (6) is used for measuring the pressure in the tank body (11), the pressure gauge (6) is connected with the controller (5), and the pressure value is displayed through the display screen.
7. The vacuum degassing apparatus for gel casting according to claim 2, wherein: the stirring rod (72) of the stirring device is in an anchor type, and a screw feeder blade (73) is wound along the stirring rod (72).
8. The vacuum degassing apparatus for gel casting according to any one of claims 1 to 7, wherein: and the controller (5) is provided with a key for opening and closing the valve.
9. The vacuum degassing apparatus for gel casting according to any one of claims 1 to 7, wherein: the inner wall of the tank body (11) is coated with an anticorrosive coating.
10. The vacuum degassing apparatus for gel casting according to claim 9, wherein: the anticorrosive coating is made of any one of epoxy resin, teflon and organic silicon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922485698.1U CN211640337U (en) | 2019-12-30 | 2019-12-30 | Vacuum defoaming device for gel casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922485698.1U CN211640337U (en) | 2019-12-30 | 2019-12-30 | Vacuum defoaming device for gel casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211640337U true CN211640337U (en) | 2020-10-09 |
Family
ID=72702368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922485698.1U Active CN211640337U (en) | 2019-12-30 | 2019-12-30 | Vacuum defoaming device for gel casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211640337U (en) |
-
2019
- 2019-12-30 CN CN201922485698.1U patent/CN211640337U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211640337U (en) | Vacuum defoaming device for gel casting | |
| CN201260902Y (en) | Debubbling tank | |
| CN110978216A (en) | Vacuum defoaming device for gel casting | |
| CN205940600U (en) | Measuring equipment | |
| CN106670407B (en) | The multiprobe speed-measuring method and device of a kind of vacuum speed governing casting process | |
| CN207605661U (en) | A kind of agitating device | |
| CN203043640U (en) | Water-borne wood paint defoaming equipment capable of controlling automatically | |
| CN211030570U (en) | Vacuum treatment device for vacuum casting of fused zirconia-corundum bricks | |
| CN208034987U (en) | Ceramic slurry degassing apparatus | |
| CN209440500U (en) | A kind of ceramic slurry slurry can | |
| CN212557675U (en) | Emulsified asphalt storage tank | |
| CN211333871U (en) | Defoaming device for gel casting | |
| CN207453485U (en) | A kind of barometric pulse-type grouter | |
| CN108015882A (en) | A kind of vacuum gel-casting device | |
| CN209070351U (en) | A kind of PLC control circuit of mud feeding system | |
| CN218518967U (en) | Automatic vacuumizing stirring barrel for fully-insulated pouring bus | |
| CN110918963A (en) | Casting ladle and casting equipment | |
| CN116212722B (en) | Automobile collision dummy skin raw material treatment control method | |
| CN217887632U (en) | Putty cream machine convenient to operation | |
| JP2020171908A (en) | High-viscosity liquid automatic preparation device and preparation method | |
| CN206372711U (en) | Alcohol mixing system is used in a kind of beverage production | |
| CN210198822U (en) | Resin fire fighting equipment | |
| CN109896162A (en) | A kind of suction type glue insulation barrel | |
| CN215157690U (en) | Sealed storage tank | |
| CN211051484U (en) | Reaction kettle device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |