CN112356217B - Silicon nitride ceramic pre-forming tool and forming method thereof - Google Patents
Silicon nitride ceramic pre-forming tool and forming method thereof Download PDFInfo
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- CN112356217B CN112356217B CN202011135880.5A CN202011135880A CN112356217B CN 112356217 B CN112356217 B CN 112356217B CN 202011135880 A CN202011135880 A CN 202011135880A CN 112356217 B CN112356217 B CN 112356217B
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- 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
- B28B1/02—Producing shaped prefabricated articles from the material by turning or jiggering in moulds or moulding surfaces on rotatable supports
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Abstract
The invention discloses a silicon nitride ceramic pre-forming tool, which comprises a shell, wherein an electric push rod is installed on the top wall inside the shell, a first circular plate is welded on a piston rod of the electric push rod, a first rod body is welded in the middle of the lower surface of the first circular plate, a connecting rod is welded at one end of the first rod body, a second circular plate is rotatably connected to the outer side wall of the connecting rod through a bearing, two first sleeves are symmetrically welded on the outer side wall of the second circular plate to process positions of different height positions of a ceramic material, the ceramic material can rotate by a motor to perform forming work, the ceramic material can be pre-formed before firing, the ceramic material cannot deform during firing, the expected forming effect is achieved, the length and the distance between each forming structure are adjusted, the ceramic material can be changed in multi-directional shapes, and the silicon nitride ceramic pre-forming tool can be used for manufacturing more ceramic materials, the practicability of the invention is improved, and the adaptability is enhanced.
Description
Technical Field
The invention relates to the technical field of silicon nitride ceramics, in particular to a silicon nitride ceramic pre-forming tool and a forming method thereof.
Background
The ceramic material has the characteristics of high temperature resistance, wear resistance and corrosion resistance, and has high strength, low expansion coefficient, good thermal conductivity and more potential and advantage when used at high temperature. However, the disadvantages are also apparent, the ceramic material being more brittle and less ductile, and these disadvantages represent a significant bottleneck for further development of the ceramic material and for large-scale application in engineering. The brittleness of ceramic materials is manifested visually by a non-precursor, explosive fracture under an external load and indirectly by poor mechanical impact resistance and poor temperature shock. Therefore, increasing the toughness of the ceramic material and improving the reliability of the ceramic material are the key points for the wide application of the structural ceramic. Silicon nitride ceramics are inorganic ceramics that do not shrink when sintered. Silicon nitride is very strong, especially hot pressed silicon nitride, and is one of the hardest substances in the world. Has the properties of high strength, low density, high temperature resistance and the like.
The invention is disclosed in China: CN107417284A discloses a processing device and a processing method for environment-friendly ceramic materials, wherein the structures are connected in order, tightly combined, and efficiently molded and sintered, but the device has the following problems,
when the device is used for processing the ceramic material, the pre-forming operation cannot be carried out on a mud blank of the ceramic material when the ceramic material is manufactured, so that the ceramic material can be continuously processed after the ceramic is shaped in the subsequent processing, the working efficiency is reduced, the ceramic material is quickly deformed in the process, and the final forming effect is influenced;
secondly, the forming change of the ceramic material is small, the ceramic material cannot be manufactured and changed in the whole shape, the adaptability is not wide, and the practicability is not high.
Disclosure of Invention
The invention aims to provide a silicon nitride ceramic pre-forming tool and a forming method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a silicon nitride ceramic pre-forming tool comprises a shell, wherein an electric push rod is installed on the inner top wall of the shell, a first circular plate is welded on a piston rod of the electric push rod, a first rod body is welded in the middle of the lower surface of the first circular plate, a connecting rod is welded at one end of the first rod body, a second circular plate is rotatably connected to the outer side wall of the connecting rod through a bearing, two first sleeves are symmetrically welded on the outer side wall of the second circular plate, first threaded rods are respectively in threaded connection with the inner side walls of the two first sleeves, a second plate body is welded at one end of each first threaded rod, a base is welded on the inner bottom wall of the shell, a cylinder is rotatably connected to the inner side wall of the base through a bearing, a disk body is welded at the top of the cylinder, a second gear is welded on the outer side wall of the cylinder, and a motor is installed on one side, of the inner bottom wall of the shell, which is positioned on one side of the base, the output shaft of the motor is welded with a first gear, and the outer side wall of the first gear is meshed with the outer side wall of the second gear.
As further preferable in the present technical solution: the inside wall of second plate body rotates and is connected with first pulley.
As further preferable in the present technical solution: the front surface of the shell is hinged with a door body, and a third through hole is formed in the inner side wall of the door body.
As further preferable in the present technical solution: the front surface welding of casing has first fixed block, the lateral wall welding of the door body has the second fixed block, the inside wall of second fixed block pass through the bolt with the inside wall fixed connection of first fixed block.
As further preferable in the present technical solution: the last surface mounting of casing has the exhaust fan, the air intake intercommunication of exhaust fan has the body, the one end of body communicate in the inside roof of casing.
As further preferable in the present technical solution: a first through hole is formed in the inner side wall of the shell, and a second through hole is formed in the upper surface of the shell.
As further preferable in the present technical solution: the inside wall symmetrical welding of casing has two third plate bodys, two one side threaded connection that the third plate body is adjacent has first plate body, the lateral wall welding of first plate body has the second sleeve pipe, the sheathed tube inside wall threaded connection of second has the second threaded rod, the inside wall of second threaded rod rotates and is connected with the second pulley.
The invention also provides a forming method of the silicon nitride ceramic pre-forming tool, which comprises the following steps:
s1, opening the door body, putting the silicon nitride ceramic mud blank into the disc body in the shell, then starting the electric push rod, driving the first circular plate downwards by the piston rod of the electric push rod, driving the first rod body by the first circular plate, driving the first sleeve by the first rod body, and enabling the second plate body to reach the appointed position;
s2, starting a motor, wherein an output shaft of the motor drives a first gear, the first gear drives a second gear, the second gear drives a column body, the column body drives a disc body to rotate a mud blank, and the mud blank rotates along the outer side walls of a first pulley and a second plate body to form the silicon nitride ceramic mud into a circular shape;
s3, adjusting the height of the first plate body by adjusting the threaded connection between the first plate body and the third plate body, so that the second threaded rod drives the second pulley to shape the designated part of the outer side wall of the silicon nitride ceramic mud;
s4, starting the exhaust fan, wherein the exhaust fan enables the flow velocity of the air flow in the shell to be fast through the pipe body, so that the water content of the silicon nitride ceramic mud is reduced, the coagulability of the silicon nitride ceramic mud is strengthened, and the pre-forming work of the silicon nitride ceramic mud is completed.
As further preferable in the present technical solution: in S1, the distance between the second plate and the first sleeve can be adjusted by rotating the first threaded rod, and the inner diameter of the silicon nitride ceramic paste blank can be adjusted.
Compared with the prior art, the invention has the beneficial effects that:
firstly, parts of the ceramic material at different height positions are processed by using an electric push rod, a motor is started to enable the ceramic material to rotate to perform molding work, the ceramic material can be preformed before firing, the ceramic material cannot deform during firing, and the expected molding effect is achieved;
and secondly, the ceramic material can be changed in shape in multiple directions by adjusting the length and the distance between the forming structures, so that the ceramic material forming machine can manufacture more various ceramic materials, improves the practicability of the ceramic material forming machine and enhances the adaptability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing of the present invention;
FIG. 3 is a schematic structural diagram of a second plate according to the present invention;
fig. 4 is a schematic view of a second threaded rod of the present invention.
In the figure: 1. a housing; 2. a first fixed block; 3. a first through hole; 8. a second through hole; 10. an exhaust fan; 12. a third through hole; 13. a second fixed block; 14. a door body; 17. a first gear; 18. a motor; 19. a base; 20. a second gear; 21. a cylinder; 22. a tray body; 23. a first plate body; 25. a first rod body; 26. an electric push rod; 27. a pipe body; 28. a first circular plate; 29. a second plate body; 30. a third plate body; 31. a second circular plate; 32. a connecting rod; 34. a first pulley; 35. a first sleeve; 36. a first threaded rod; 37. a second sleeve; 38. a second pulley; 39. a second threaded rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides a technical solution: a silicon nitride ceramic pre-forming tool comprises a shell 1, an electric push rod 26 is installed on the inner top wall of the shell 1, a first circular plate 28 is welded on a piston rod of the electric push rod 26, a first rod body 25 is welded in the middle of the lower surface of the first circular plate 28, a connecting rod 32 is welded at one end of the first rod body 25, a second circular plate 31 is rotatably connected to the outer side wall of the connecting rod 32 through a bearing, two first sleeves 35 are symmetrically welded on the outer side wall of the second circular plate 31, first threaded rods 36 are in threaded connection with the inner side walls of the two first sleeves 35, a second plate body 29 is welded at one end of each first threaded rod 36, a base 19 is welded on the inner bottom wall of the shell 1, a cylinder 21 is rotatably connected to the inner side wall of the base 19 through a bearing, a disk body 22 is welded on the top of the cylinder 21, a second gear 20 is welded on the outer side wall of the cylinder 21, and a motor 18 is installed on one side, which is located on the inner bottom wall of the base 19, the output shaft of the motor 18 is welded with a first gear 17, and the outer side wall of the first gear 17 is meshed and connected with the outer side wall of a second gear 20.
Further: a first pulley 34 is rotatably connected to the inner side wall of the second plate 29; the first pulley 34 assists in the rotation of the preform of the silicon nitride ceramic body.
Further: a door body 14 is hinged to the front surface of the shell 1, and a third through hole 12 is formed in the inner side wall of the door body 14; the door body 14 plays a role in preventing external foreign matters from damaging the silicon nitride ceramic blank in the processing chamber, and the third through hole 12 can be used for ventilation and can also be used for observing the inside of the shell 1.
On the basis of the scheme: the front surface of the shell 1 is welded with a first fixing block 2, the outer side wall of the door body 14 is welded with a second fixing block 13, and the inner side wall of the second fixing block 13 is fixedly connected with the inner side wall of the first fixing block 2 through a bolt; the first fixing block 2 and the second fixing block 13 are connected together by using bolts, so that the door body 14 can be more stably connected.
As a still further scheme of the invention: the upper surface of the shell 1 is provided with an exhaust fan 10, an air inlet of the exhaust fan 10 is communicated with a pipe body 27, and one end of the pipe body 27 is communicated with the inner top wall of the shell 1; the exhaust fan 10 can make the air inside the casing 1 circulate faster and the forming speed of the mud blank faster.
Further: the inner side wall of the shell 1 is provided with a first through hole 3, and the upper surface of the shell 1 is provided with a second through hole 8; the first through hole 3 and the second through hole 8 are used to provide ventilation of the housing 1.
As a still further scheme of the invention: two third plate bodies 30 are symmetrically welded on the inner side wall of the shell 1, one adjacent side of the two third plate bodies 30 is in threaded connection with the first plate body 23, a second sleeve 37 is welded on the outer side wall of the first plate body 23, a second threaded rod 39 is in threaded connection with the inner side wall of the second sleeve 37, and a second pulley 38 is rotatably connected with the inner side wall of the second threaded rod 39; by adjusting the height of the first plate 23, different heights of the silicon nitride ceramic mud blank are adjusted, so that the forming adjustment style of the silicon nitride ceramic mud blank is more diversified.
The invention also provides a forming method of the silicon nitride ceramic pre-forming tool, which comprises the following steps:
s1, opening the door body 14, placing the silicon nitride ceramic mud blank into the tray body 22 in the shell 1, then starting the electric push rod 26, driving the first circular plate 28 downwards by the piston rod of the electric push rod 26, driving the first rod body 25 by the first circular plate 28, driving the first sleeve 35 by the first rod body 25, and enabling the second plate body 29 to reach the designated position;
s2, starting the motor 18, wherein an output shaft of the motor 18 drives the first gear 17, the first gear 17 drives the second gear 20, the second gear 20 drives the column body 21, the column body 21 drives the disc body 22 to enable the mud blank to rotate, and the mud blank rotates along the outer side walls of the first pulley 34 and the second plate body 29 to enable the silicon nitride ceramic mud to form a round shape;
s3, adjusting the height of the first plate body 23 by adjusting the threaded connection between the first plate body 23 and the third plate body 30, so that the second threaded rod 39 drives the second pulley 38 to shape the designated part of the outer side wall of the silicon nitride ceramic mud;
s4, starting the exhaust fan 10, wherein the exhaust fan 10 enables the flow velocity of the air flow in the shell 1 to be fast through the pipe body 27, so that the water content of the silicon nitride ceramic mud is quickened to be reduced, the coagulability of the silicon nitride ceramic mud is strengthened, and the pre-forming work of the silicon nitride ceramic mud is completed.
Further: in S1, the distance between the second plate 29 and the first sleeve 35 can be adjusted by rotating the first threaded rod 36, and the inner diameter of the silicon nitride ceramic compact can be adjusted.
Working principle or structural principle, when in use, the casing 1 is provided with a switch group for controlling the exhaust fan 10, the motor 18, the electric push rod 26 and starting and closing, the switch group is connected with an external commercial power and is used for supplying power to the exhaust fan 10, the motor 18 and the electric push rod 26, the door body 14 is opened, silicon nitride ceramic mud blank is put into the disc body 22 in the casing 1, then the electric push rod 26 is started, the piston rod of the electric push rod 26 drives the first circular plate 28 to move downwards, the first circular plate 28 drives the first rod body 25, the first rod body 25 drives the first sleeve 35 to enable the second plate body 29 to reach a specified position, the motor 18 is started, the output shaft of the motor 18 drives the first gear 17, the first gear 17 drives the second gear 20, the second gear 20 drives the column body 21, the column body 21 drives the disc body 22 to enable the mud blank to rotate, the silicon nitride ceramic mud rotates along the outer side walls of the first pulley 34 and the second plate body 29 to form a round shape, through the threaded connection between adjustment first plate body 23 and the third plate body 30, adjust the height of first plate body 23, make second threaded rod 39 drive second pulley 38 and carry out the moulding to the lateral wall assigned position of silicon nitride ceramic mud, start exhaust fan 10, exhaust fan 10 makes the air current velocity of flow in the casing 1 through body 27 become fast, accelerate the water content that reduces silicon nitride ceramic mud, strengthen the coagulability of silicon nitride ceramic mud, accomplish the preforming work to silicon nitride ceramic mud, first pulley 34 plays supplementary pivoted effect to the preforming work of silicon nitride ceramic mud base, through the height of adjusting first plate body 23, adjust the not co-altitude of silicon nitride ceramic mud base, make the shaping adjustment pattern to silicon nitride ceramic mud base more diversified.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a silicon nitride pottery preforming frock, includes casing (1), its characterized in that: electric putter (26) is installed to the inside roof of casing (1), the piston rod welding of electric putter (26) has first plectane (28), the lower surface middle part welding of first plectane (28) has first body of rod (25), the one end welding of first body of rod (25) has connecting rod (32), the lateral wall of connecting rod (32) rotates through the bearing and is connected with second plectane (31), the lateral wall symmetrical welding of second plectane (31) has two first sleeve pipes (35), the inside wall of two first sleeve pipes (35) all threaded connection has first threaded rod (36), the one end welding of first threaded rod (36) has second plate body (29), the inside diapire welding of casing (1) has base (19), the inside wall of base (19) rotates through the bearing and is connected with cylinder (21), the top welding of cylinder (21) has disk body (22), the utility model discloses a motor, including cylinder (21), motor (18), first gear (17), second gear (38), second gear (20) and second gear (19), the outer wall welding of cylinder (21) has second gear (20), the inside diapire of casing (1) just is located motor (18) are installed to one side of base (19), the output shaft welding of motor (18) has first gear (17), the lateral wall of first gear (17) with the lateral wall meshing of second gear (20) is connected, the inside wall symmetrical welding of casing (1) has two third plate bodys (30), two one side threaded connection that third plate bodys (30) are adjacent has first plate bodys (23), the lateral wall welding of first plate bodys (23) has second sleeve pipe (37), the inside wall threaded connection of second sleeve pipe (37) has second threaded rod (39), the inside wall rotation of second threaded rod (39) is connected with second pulley (38).
2. The silicon nitride ceramic preforming tool according to claim 1, characterized in that: the inner side wall of the second plate body (29) is rotatably connected with a first pulley (34).
3. The silicon nitride ceramic preforming tool according to claim 2, characterized in that: the front surface of the shell (1) is hinged with a door body (14), and a third through hole (12) is formed in the inner side wall of the door body (14).
4. The silicon nitride ceramic preforming tool according to claim 3, characterized in that: the front surface welding of casing (1) has first fixed block (2), the lateral wall welding of the door body (14) has second fixed block (13), the inside wall of second fixed block (13) pass through the bolt with the inside wall fixed connection of first fixed block (2).
5. The silicon nitride ceramic preforming tool according to claim 4, characterized in that: the last surface mounting of casing (1) has exhaust fan (10), the air intake intercommunication of exhaust fan (10) has body (27), the one end of body (27) communicate in the inside roof of casing (1).
6. The silicon nitride ceramic preforming tool according to claim 5, characterized in that: the inner side wall of the shell (1) is provided with a first through hole (3), and the upper surface of the shell (1) is provided with a second through hole (8).
7. The forming method of the silicon nitride ceramic pre-forming tool according to claim 6, characterized by comprising the following steps:
s1, opening a door body (14), putting the silicon nitride ceramic mud blank into a disc body (22) in the shell (1), then starting an electric push rod (26), driving a first circular plate (28) downwards by a piston rod of the electric push rod (26), driving a first rod body (25) by the first circular plate (28), driving a first sleeve (35) by the first rod body (25), and enabling a second plate body (29) to reach a designated position;
s2, starting a motor (18), wherein an output shaft of the motor (18) drives a first gear (17), the first gear (17) drives a second gear (20), the second gear (20) drives a column body (21), the column body (21) drives a disc body (22) to enable a mud blank to rotate, and the mud blank rotates along the outer side walls of a first pulley (34) and a second plate body (29) to enable silicon nitride ceramic mud to form a round shape;
s3, adjusting the height of the first plate body (23) by adjusting the threaded connection between the first plate body (23) and the third plate body (30), so that the second threaded rod (39) drives the second pulley (38) to shape the designated part of the outer side wall of the silicon nitride ceramic mud;
s4, starting the exhaust fan (10), wherein the exhaust fan (10) enables the flow velocity of the air flow in the shell (1) to be fast through the pipe body (27), so that the water content of the silicon nitride ceramic mud is reduced, the coagulability of the silicon nitride ceramic mud is strengthened, and the pre-forming work of the silicon nitride ceramic mud is completed.
8. The forming method of the silicon nitride ceramic pre-forming tool according to claim 7, characterized in that: in S1, the distance between the second plate (29) and the first sleeve (35) can be adjusted by rotating the first threaded rod (36), and the inner diameter of the silicon nitride ceramic paste compact can be adjusted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011135880.5A CN112356217B (en) | 2020-10-22 | 2020-10-22 | Silicon nitride ceramic pre-forming tool and forming method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011135880.5A CN112356217B (en) | 2020-10-22 | 2020-10-22 | Silicon nitride ceramic pre-forming tool and forming method thereof |
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| CN112356217A CN112356217A (en) | 2021-02-12 |
| CN112356217B true CN112356217B (en) | 2022-04-19 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB895988A (en) * | 1957-08-24 | 1962-05-09 | Service Eng Ltd | Improvements in or relating to the manufacture of ceramic ware |
| JP4647937B2 (en) * | 2004-05-31 | 2011-03-09 | 日本電産シンポ株式会社 | Ceramic potter's wheel |
| JP2008093908A (en) * | 2006-10-10 | 2008-04-24 | Michio Takahashi | Potter's wheel for ceramics |
| CN103331804B (en) * | 2013-07-01 | 2015-06-10 | 车强 | Ceramic cylinder mud production machine |
| CN106891416A (en) * | 2017-03-30 | 2017-06-27 | 苏州市顺仪五金有限公司 | A kind of multi-functional drawing embryo machine |
| CN208197099U (en) * | 2018-04-29 | 2018-12-07 | 永春县鼎盛陶瓷制品厂（普通合伙） | A kind of new ceramics shaping die |
| CN109227878B (en) * | 2018-08-28 | 2020-06-05 | 南京六六创业科技有限公司 | A simulation is drawn embryo device for DIY pottery art flowerpot |
| CN210651178U (en) * | 2019-08-13 | 2020-06-02 | 广东宝丰陶瓷科技发展股份有限公司 | Ceramic appliance greenware manufacturing device |
| CN110757633A (en) * | 2019-12-04 | 2020-02-07 | 安徽青花坊瓷业股份有限公司 | A equipment for revising porcelain clay base |
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2020
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