CN114279211B - Silicon carbide slip casting sintering device - Google Patents
Silicon carbide slip casting sintering device Download PDFInfo
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- CN114279211B CN114279211B CN202210001435.2A CN202210001435A CN114279211B CN 114279211 B CN114279211 B CN 114279211B CN 202210001435 A CN202210001435 A CN 202210001435A CN 114279211 B CN114279211 B CN 114279211B
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- 238000005245 sintering Methods 0.000 title claims abstract description 27
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 18
- 238000007569 slipcasting Methods 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims abstract description 113
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 238000001914 filtration Methods 0.000 claims abstract description 67
- 230000008878 coupling Effects 0.000 claims abstract description 44
- 238000010168 coupling process Methods 0.000 claims abstract description 44
- 238000005859 coupling reaction Methods 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000007790 scraping Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000004321 preservation Methods 0.000 claims description 35
- 230000001954 sterilising effect Effects 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000011010 flushing procedure Methods 0.000 claims description 15
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 16
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 10
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 10
- 241001330002 Bambuseae Species 0.000 abstract description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 10
- 239000011425 bamboo Substances 0.000 abstract description 10
- 238000004080 punching Methods 0.000 description 11
- 238000010521 absorption reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 6
- 230000033228 biological regulation Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000000919 ceramic Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000011068 loading method Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a silicon carbide slip casting sintering device, which comprises: the base, the base top surface rigid coupling has the furnace body, be provided with heating mechanism in the furnace body, and open face can dismantle and be connected with sealing mechanism, the top of furnace body is provided with the filtration casing, the section of thick bamboo bottom and furnace body inner chamber intercommunication bleed, from the top down one side is provided with the net that disinfects in the filtration casing, dust collecting net and dust collecting seat, dust collecting seat's bottom surface and filtration casing bottom surface rigid coupling, dust collecting seat top surface center is provided with ventilation mechanism, be provided with dismounting mechanism on the net that disinfects and the dust collecting net perisporium, the net that disinfects and dust collecting net can dismantle with filtration casing inner wall through dismounting mechanism and be connected, scraping material mechanism and dust collecting mechanism have been set gradually from the top down between the dust collecting seat, scrape the top surface of material mechanism and dust collecting net bottom surface sliding contact, be provided with recoil mechanism between the net that disinfects and the dust collecting net, the top surface intercommunication of filtration casing has the one end of exhaust tube, the other end intercommunication of exhaust tube has the vacuum pump, be provided with monitoring mechanism on the exhaust tube.
Description
Technical Field
The invention relates to the technical field of sintering furnaces, in particular to a silicon carbide slip casting sintering device.
Background
Silicon carbide ceramics have many excellent properties such as high hardness, high decomposition temperature, high thermal conductivity, low expansion, corrosion resistance, etc., and have been greatly developed in the fields of machinery, petroleum, automobile industry, etc. With rapid development of modern national defense, space technology and energy technology, silicon carbide is increasingly widely used as a high-technology ceramic, particularly a high-performance structural ceramic, such as a main candidate material for high-temperature hot-air machine materials such as a combustion chamber of a high-temperature gas turbine, turbine blades, a turbocharger rotor, a high-temperature nozzle and the like. At the same time, the demands on the complexity, toughness, strength and reliability of silicon carbide ceramic geometries are increasing. The silicon carbide slip casting production process comprises the steps of pretreatment of silicon carbide powder, preparation of submicron sintering aid powder, ball milling, slip casting, drying and sintering, wherein when a slip casting ceramic ligand is sintered, the blank is required to be placed into a high-temperature sintering furnace, and the high-temperature sintering furnace is continuously heated for a period of time until the temperature in the high-temperature sintering furnace reaches the sintering temperature below the melting point of the blank, so that the blank is sintered and solidified into a body, and the blank is subjected to post-treatment processing steps and the like.
However, in the existing vacuum sintering furnace, the vacuum pump is generally used for directly pumping air, and a filtering device is not arranged before the air enters the vacuum pump, so that impurities such as flying dust and the like are easily brought into the vacuum pump to damage the vacuum pump.
Therefore, there is a need for a silicon carbide slip casting sintering device that solves the above problems.
Disclosure of Invention
The invention aims to provide a silicon carbide slip casting sintering device, which aims to solve the problems in the prior art.
In order to achieve the above object, the present invention provides the following solutions: the invention provides a silicon carbide slip casting sintering device, which comprises: the base, base top surface rigid coupling has the furnace body, be provided with heating mechanism in the furnace body, one side of furnace body sets up to the open face, just the open face can dismantle and be connected with sealing mechanism, the gas vent has been seted up to the top surface of furnace body, the rigid coupling has the gas cartridge in the gas vent, the top of furnace body is provided with filtering shell, the gas cartridge bottom with furnace body inner chamber intercommunication, the top of gas cartridge with filtering shell bottom intercommunication, filtering shell from the top down one side is provided with sterilizing net, dust collection net and dust collection seat, the bottom surface of dust collection seat with filtering shell bottom surface rigid coupling, dust collection seat top surface center is provided with ventilation mechanism, ventilation mechanism with furnace body inner chamber intercommunication, sterilizing net with the dust collection net through dismantling mechanism with filtering shell inner wall can dismantle and be connected, the dust collection net with from the top down has set gradually scraping material mechanism and dust collection mechanism between the dust collection seat, the top surface of scraping material mechanism with dust collection net bottom surface sliding contact, the net with be provided with between the dust collection net top surface mechanism, filtering shell bottom surface rigid coupling, dust collection seat bottom surface and filtering shell bottom surface rigid coupling, dust collection seat top surface has, dust collection seat's top surface, dust collection seat top surface and filtering shell bottom surface side, dust collection seat top surface down coupling, dust collection tube top surface has the suction tube.
Preferably, the recoil mechanism comprises a punching cylinder, a plurality of reverse punching holes are formed in the outer wall of the punching cylinder, two ends of the punching cylinder are respectively connected with two opposite inner walls of the filtering shell in a rotating mode, one end of a rotating rod is fixedly connected with one end of the punching cylinder, the other end of the rotating rod penetrates through the inner wall of the filtering shell and is fixedly connected with an output end of a rotating motor, the rotating motor is fixedly connected with the outer wall of one side of the filtering shell, an air punching pump is fixedly connected with the outer wall of the other side of the filtering shell, the output end of the air punching pump is communicated with one end of an air punching pipe, and the other end of the air punching pipe is communicated with an inner cavity of the air punching cylinder.
Preferably, the scraping mechanism comprises a scraping motor, the scraping motor is fixedly connected to the outer wall of the filtering shell, one end of a screw rod is fixedly connected to the output end of the scraping motor, the other end of the screw rod penetrates through the filtering shell and is rotationally connected with the inner wall of the filtering shell, a connecting block is sleeved on the screw rod and is arranged in a rectangular structure, two ends of the connecting block are respectively in sliding contact with the two opposite inner walls of the filtering shell, a scraping plate is fixedly connected to the top surface of the connecting block, and the top surface of the scraping plate is in sliding contact with the bottom surface of the dust removing net.
Preferably, the dust collection mechanism comprises a dust collection pump, the dust collection pump is fixedly connected to the outer wall of the filtering shell, the input end of the dust collection pump is communicated with one end of a dust collection pipe, the other end of the dust collection pipe penetrates through the filtering shell and is fixedly connected with the inner wall of the filtering shell, a plurality of air suction heads are communicated to the outer wall of the dust collection pipe, and the air inlet direction of the air suction heads faces towards the dust collection seat.
Preferably, the dismounting mechanism arranged on the sterilizing net comprises a connecting plate, the side face of the connecting plate is fixedly connected with one side face of the sterilizing net, rubber pads are fixedly connected with the other three side faces of the sterilizing net respectively, strip-shaped holes matched with the sterilizing net are formed in the side face of the filtering shell, sealing grooves matched with the rubber pads are formed in the inner wall of the filtering shell, connecting bolts are connected with the side faces of the connecting plate in a threaded mode, and the connecting bolts are connected with the outer wall of the filtering shell in a threaded mode.
Preferably, the monitoring mechanism comprises an adjusting rod, one end of the adjusting rod penetrates through the exhaust pipe and is fixedly connected with an adjusting disc, the circumferential surface of the adjusting disc is in sliding contact with the inner wall of the exhaust pipe, the other end of the adjusting rod is fixedly connected with a rotary table, the outer wall of the adjusting rod is connected with the outer wall of the exhaust pipe through a sealing bearing, and a gas flow detector is arranged on the exhaust pipe.
Preferably, the heating mechanism comprises a heat preservation cylinder, heat preservation cylinder outer wall with furnace body inner wall rigid coupling, heat preservation cylinder inner chamber with the air-vent cylinder intercommunication, be provided with a plurality of heating blocks on the heat preservation cylinder inner wall, heating block electric connection has external power supply, heat preservation cylinder inner wall bottom rigid coupling has a plurality of support columns, support column top surface rigid coupling places the board, place the board top surface and be provided with the sliding plate, sliding plate bottom surface one side rigid coupling has T type slider, place the board top surface seted up with the T type spout of T type slider looks adaptation.
Preferably, the sealing mechanism comprises an end cover, two ends of the peripheral surface of the end cover are fixedly connected with a hinging seat and a connecting seat respectively, the hinging seat is hinged with the outer wall of the furnace body, a plug-in post is fixedly connected to the side surface of the connecting seat, a plug-in seat is fixedly connected to the outer wall of the furnace body, a plug-in groove matched with the plug-in post is formed in the side surface of the plug-in seat, a magnetic sheet is fixedly connected in the plug-in groove, the plug-in seat is in threaded connection with the connecting seat through a fixing bolt, and a sealing assembly is arranged on the side surface of the end cover.
Preferably, the sealing assembly comprises a heat preservation layer, the heat preservation layer is matched with the open end of the heat preservation cylinder, the heat preservation layer is fixedly connected to the side face of the end cover, a sealing ring is fixedly connected to the edge of the side face of the end cover, and the sealing ring is abutted to the end face of the furnace body.
Preferably, the ventilation mechanism comprises a ventilation pipe, the ventilation pipe is communicated with the top surface of the dust collection seat, the ventilation pipe is communicated with the inner cavity of the furnace body, and a one-way valve is arranged in the ventilation pipe.
The invention discloses the following technical effects: the heating mechanism that sets up can make the sintering process of raw materials be heated more evenly, simultaneously can make the loading and unloading process of raw materials more convenient, the sealing mechanism that sets up has guaranteed the gas tightness in the furnace body, set up vacuum pump and exhaust tube can be with the inside evacuation state of furnace body, the filtration casing that sets up is detachable with the net and the dust removal net of disinfecting, can change the net and the dust removal net at any time, the removal mechanism that sets up has improved the change effect of net and the dust removal net of disinfecting and with filtration casing leakproofness, impurity in the furnace body can be clear away, prevent it from causing the damage to the vacuum pump, set up and scrape the material mechanism and can clear away synchronous dust removal net when the evacuation, avoid causing the jam to the dust removal net at the in-process of evacuation, the efficiency of hard evacuation, the recoil mechanism that sets up can be back clear up the dust removal net after accomplishing the sintering, increase the life of dust removal net, the furnace body that can be monitored the evacuation in real-time, be convenient for observe in real-time, the dust absorption mechanism that sets up can clear up the air flow that is attached to dust collection seat dust, the mechanism that sets up can be avoided in the back-flowing dust.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is an enlarged view of a portion of A1 of FIG. 1;
FIG. 3 is an enlarged view of a portion of A2 of FIG. 1;
fig. 4 is a schematic structural diagram of a connecting seat in embodiment 1 of the present invention;
fig. 5 is a schematic structural diagram of a socket in embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of a connecting plate in embodiment 1 of the present invention;
fig. 7 is a schematic structural view of a sliding plate in embodiment 1 of the present invention;
FIG. 8 is a schematic structural diagram of embodiment 2 of the present invention;
FIG. 9 is an enlarged view of a portion of A3 of FIG. 8;
1, a base; 2. a furnace body; 3. a suction cylinder; 4. a filter housing; 5. a sterilizing net; 6. a dust removing net; 7. a dust collection seat; 8. an exhaust pipe; 9. a vacuum pump; 10. flushing the inflator; 11. punching reversely; 12. a rotating lever; 13. a rotating motor; 14. an air pump; 15. a gas flushing pipe; 16. a scraping motor; 17. a screw; 18. a connecting block; 19. a scraping plate; 20. a dust collection pump; 21. a dust collection pipe; 22. an air suction head; 23. a connecting plate; 24. a rubber pad; 25. a connecting bolt; 26. an adjusting rod; 27. an adjusting disc; 28. a turntable; 29. sealing the bearing; 30. a gas flow detector; 31. a heat preservation cylinder; 32. a heating block; 33. a support column; 34. placing a plate; 35. a sliding plate; 36. a T-shaped slider; 37. a T-shaped chute; 38. an end cap; 39. a hinge base; 40. a connecting seat; 41. a plug-in column; 42. a socket; 43. a magnetic sheet; 44. a fixing bolt; 45. a heat preservation layer; 46. a seal ring; 47. a vent pipe; 48. a one-way valve; 49. an annular cavity; 50. a water inlet joint; 51. a water discharge joint; 52. a compacting motor; 53. a pressing rod; 54. a compaction cylinder; 55. a compacting plate; 56. sealing the bearing.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
Referring to fig. 1-7, the present invention provides a silicon carbide slip casting sintering device, comprising: the base 1, the top surface rigid coupling of base 1 has furnace body 2, be provided with heating mechanism in the furnace body 2, one side of furnace body 2 sets up to the open face, and open face can dismantle and be connected with sealing mechanism, the gas vent has been seted up to the top surface of furnace body 2, rigid coupling has a section of thick bamboo 3 in the gas vent, the top of furnace body 2 is provided with filtering shell 4, the section of thick bamboo 3 bottom communicates with furnace body 2 inner chamber, the top of section of thick bamboo 3 and filtering shell 4 bottom intercommunication, be provided with sterilization net 5 in the filtering shell 4 from the top down one side, dust removal net 6 and dust collection seat 7, dust collection seat 7 top surface center is provided with ventilation mechanism, ventilation mechanism and furnace body 2 inner chamber intercommunication, sterilization net 5 and dust removal net 6 can dismantle with filtering shell 4 inner wall through the detaching mechanism and be connected, from the top down has set gradually scraping material mechanism and dust collection mechanism between dust removal net 6 and the dust collection seat 7, the top surface of scraping material mechanism and dust removal net 6 bottom surface sliding contact, be provided with recoil mechanism between sterilization net 5 and the dust removal net 6, filtering shell 4's top surface intercommunication has the one end of exhaust tube 8, the top surface intercommunication of exhaust tube 8, the other end intercommunication of exhaust tube 8 has vacuum pump 9, be provided with on the exhaust tube 8 monitoring mechanism.
The heating mechanism that sets up can make the sintering process of raw materials be heated more evenly, the loading and unloading process of raw materials can be made simultaneously more convenient, the sealing mechanism that sets up has guaranteed the gas tightness in the furnace body 2, set up vacuum pump 9 and exhaust tube 8 can be with the inside vacuumization state of furnace body 2, the filtration casing 4 that sets up is detachable with sterilizing net 5 and dust removal net 6, can change sterilizing net 5 and dust removal net 6 at any time, the dismounting mechanism that sets up has improved the change effect to sterilizing net 5 and dust removal net 6 and with filtration casing 4 leakproofness, can clear away the impurity in the furnace body 2, prevent it from causing the damage to vacuum pump 9, set up and scrape material mechanism and can clear away synchronous dust removal net 6 when the evacuation, avoid causing the jam to dust removal net 6 at the in-process of evacuation, the efficiency of hard evacuation, the recoil mechanism that sets up can be reverse clear up to dust removal net 6 after accomplishing the sintering, increase the life of dust removal net 6, the air flow when the detection mechanism that sets up can real-time monitoring vacuum, be convenient for carrying out real-time, shut down vacuum pump 9, it can be attached to dust collection mechanism that can be set up dust collection seat 7 and can be set up in time to dust collection seat in the dust collection device 2 and can avoid the dust to back-flow.
Further optimizing scheme, recoil mechanism includes towards the inflator 10, has seted up a plurality of counter-punches 11 on towards the inflator 10 outer wall, towards the both ends of inflator 10 respectively with filter housing 4 relative inner wall rotation be connected, towards the one end rigid coupling of inflator 10 and have the one end of dwang 12, the other end of dwang 12 runs through filter housing 4 inner wall rigid coupling and has the output of rotating motor 13, rotating motor 13 rigid coupling is on filter housing 4 one side outer wall, filter housing 4's opposite side outer wall rigid coupling has towards air pump 14, towards air pump 14 output intercommunication has the one end that towards air pipe 15, towards the other end and towards inflator 10 inner chamber intercommunication of air pipe 15.
The rotating motor 13 is arranged to control the air flushing cylinder 10 to rotate, and the air flushing pump 14 is started to flush air in the air flushing cylinder 10, so that the air flushed from the back flushing holes 11 can act on the top surface of the dust removing net 6 at the used position, and dead angles are avoided.
Further optimizing scheme, scrape material mechanism and including scraping material motor 16, scrape material motor 16 rigid coupling on filtering the casing 4 outer wall, scrape the one end that the output rigid coupling of material motor 16 has screw rod 17, the other end of screw rod 17 runs through filtering the casing 4 and with filtering the casing 4 inner wall and rotate to be connected, the cover is equipped with connecting block 18 on the screw rod 17, connecting block 18 sets up to rectangular structure, the both ends of connecting block 18 respectively with filtering the relative inner wall sliding contact of casing 4, connecting block 18 top surface rigid coupling has scraping plate 19, scraping plate 19 top surface and dust removal net 6 bottom surface sliding contact.
The connecting block 18 that sets up is rectangular structure, and the both ends of connecting block 18 respectively with the two opposite inner walls sliding contact of filtering shell 4 can avoid connecting block 18 to take place the rotation when scraping material motor 16 drive screw 17 and rotate, guarantees the horizontal displacement of connecting block 18, drives simultaneously and scrapes the flitch 19 and scrape the material to dust removal net 6.
Further optimizing scheme, dust absorption mechanism includes dust absorption pump 20, and dust absorption pump 20 rigid coupling is on filtering housing 4 outer wall, and the input intercommunication of dust absorption pump 20 has the one end of dust absorption pipe 21, and the filter housing 4 inner wall rigid coupling is run through to the dust absorption pipe 21 other end, and the intercommunication has a plurality of suction heads 22 on the outer wall of dust absorption pipe 21, and a plurality of suction heads 22 air inlet direction orientation dust collection seat 7.
The dust collection and communication dust collection pipe 21 is arranged, and the suction head 22 can be driven to absorb and collect the dust on the dust collection seat 7.
Further optimizing scheme, the dismounting mechanism who sets up on the net 5 that disinfects includes connecting plate 23, connecting plate 23 side and the net 5 side rigid coupling that disinfects, and the other three side of net 5 that disinfects is the rigid coupling respectively has rubber pad 24, and the filtration casing 4 side has been seted up the bar hole with the net 5 looks adaptation that disinfects, has seted up the seal groove with rubber pad 24 looks adaptation on the filtration casing 4 inner wall, and connecting plate 23 side threaded connection has connecting bolt 25, and connecting bolt 25 passes through threaded connection with filtration casing 4 outer wall.
The rubber pad 24 and the sealing groove can realize the sealing between the sterilizing net 5 and the dust removing net 6 and the inner wall of the filtering shell 4.
Further optimizing scheme, monitoring facilities includes regulation pole 26, and regulation pole 26 one end runs through exhaust tube 8 rigid coupling and has regulation disc 27, and regulation disc 27 global and exhaust tube 8 inner wall sliding contact, and regulation pole 26's the other end rigid coupling has carousel 28, and regulation pole 26 outer wall passes through sealed bearing 56 and exhaust tube 8 outer wall connection, is provided with gas flow detector 30 on the exhaust tube 8.
Further optimizing scheme, heating mechanism includes heat preservation section of thick bamboo 31, heat preservation section of thick bamboo 31 outer wall and furnace body 2 inner wall rigid coupling, heat preservation section of thick bamboo 31 inner chamber and air-vent cylinder intercommunication are provided with a plurality of heating blocks 32 on the heat preservation section of thick bamboo 31 inner wall, heating block 32 electric connection has external power supply, heat preservation section of thick bamboo 31 inner wall bottom rigid coupling has a plurality of support columns 33, support column 33 top surface rigid coupling places board 34, place board 34 top surface and be provided with sliding plate 35, sliding plate 35 bottom surface one side rigid coupling has T type slider 36, place board 34 top surface offer with T type spout 37 of T type slider 36 looks adaptation.
In the process of loading and unloading raw materials, the sliding plate 35 and the placing plate 34 can slide through the T-shaped sliding grooves 37 which are matched with the T-shaped sliding blocks 36, so that the sliding plate 35 slides out of the furnace body 2 to load and unload raw materials, and the plurality of heating blocks 32 are uniformly distributed on the inner wall of the heat preservation cylinder 31, so that the effect of uniform heating can be achieved.
Further optimizing scheme, sealing mechanism includes end cover 38, and end cover 38 global both ends rigid coupling has articulated seat 39 and connecting seat 40 respectively, and articulated seat 39 is articulated with furnace body 2 outer wall, and connecting seat 40 side rigid coupling has spliced pole 41, and the rigid coupling has spliced seat 42 on the furnace body 2 outer wall, and spliced groove with spliced pole 41 looks adaptation is seted up to spliced seat 42 side, and spliced inslot rigid coupling has magnetic sheet 43, and spliced seat 42 passes through fixing bolt 44 threaded connection with connecting seat 40, and the end cover 38 side is provided with seal assembly.
The magnetic sheet 43 can play a role in assisting the connection of the end cover 38 and the furnace body 2, prevent the occurrence of the condition that the end cover 38 is disturbed when the opposite plug-in socket 42 and the connecting socket 40 are in threaded connection through the fixing bolt 44, and improve the assembly efficiency.
Further optimizing scheme, seal assembly includes heat preservation 45, and heat preservation 45 and the open end looks adaptation of heat preservation section of thick bamboo 31, and heat preservation 45 rigid coupling is in the side of end cover 38, and end cover 38 side edge rigid coupling has sealing ring 46, sealing ring 46 and furnace body 2 terminal surface butt.
The heat preservation layer 45 is matched with the heat preservation barrel 31, so that the heat preservation effect in the heat preservation barrel 31 is guaranteed.
Further optimizing scheme, ventilation mechanism includes breather pipe 47, breather pipe 47 and dust collection seat 7 top surface intercommunication, breather pipe 47 and furnace body 2 inner chamber intercommunication are provided with the check valve 48 in the breather pipe 47.
The check valve 48 is provided to prevent dust from falling back.
Example 2
Referring to fig. 8-9, in the prior art, electrical control is mostly adopted for opening and closing the end cover 38 and the furnace body 2, but in the sintering process, the temperature is too high to cause damage of a control element, so that the cost is increased, but if the end cover 38 is opened manually, the phenomenon that the end cover 38 needs to be placed for a long time for heat dissipation occurs, and the efficiency of loading and unloading raw materials is seriously affected, so that an annular cavity 49 is formed in the end cover 38, a water inlet joint 50 and a water outlet joint 51 are respectively arranged at the top and bottom of the side surface of the end cover 38, the water inlet joint 50 and the water outlet joint 51 are communicated with the annular cavity 49, the water inlet joint 50 and the water outlet joint 51 are respectively connected with an external water source, a compressing motor 52 is fixedly connected with one end of a compressing rod 53 at the output end of the compressing motor 52, a communicated transmission hole and a rectangular hole are respectively formed at two side surfaces of the end cover 38, the other end of the compressing rod 53 penetrates through the transmission hole and is connected with a compressing cylinder 54 through threads, the outer wall of the compressing cylinder 54 is arranged to be in a rectangular structure, the outer wall of the compressing cylinder 54 is in sliding contact with the rectangular hole, a compressing plate 55 is fixedly connected with the side surface of the compressing cylinder 54, the side surface 55 is communicated with the annular cavity 49, the side surface is fixedly connected with the compressing plate 55 and the side surface of the compressing plate 55 is fixedly connected with the side surface of the heat insulating layer 55 and the side surface 31 is fixedly connected with the heat insulating layer and the side surface of the heat insulating layer 31. The pressing cylinder 54 can be moved toward the furnace body 2 by driving the pressing motor 52, so that the pressing plate 55 is in close contact with the heat-insulating cylinder 31, and the sealing property is enhanced.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (6)
1. A silicon carbide slip casting sintering device, comprising: the base (1), base (1) top surface rigid coupling has furnace body (2), be provided with heating mechanism in furnace body (2), one side of furnace body (2) sets up to the open face, just the open face can dismantle and be connected with sealing mechanism, the gas vent has been seted up to the top surface of furnace body (2), the rigid coupling has gas pump (3) in the gas vent, the top of furnace body (2) is provided with filtration casing (4), gas pump (3) bottom with furnace body (2) inner chamber intercommunication, the top of gas pump (3) with filtration casing (4) bottom intercommunication, one side from the top down is provided with sterilization net (5), dust collection net (6) and dust collection seat (7) in filtration casing (4), dust collection seat (7) bottom surface with filtration casing (4) bottom rigid coupling, dust collection seat (7) top surface center is provided with ventilation mechanism with furnace body (2) inner chamber intercommunication, sterilization net (5) and dust collection net (6) pass through detachment mechanism with filtration casing (4) inner wall (6) inner wall intercommunication, dust collection net (6) and dust collection seat (6) are connected in proper order, dust collection net (6) and dust collection seat (6) scraping mechanism and dust collection seat (6) are provided with in proper order between the dust collection seat and the top surface, a recoil mechanism is arranged between the sterilizing net (5) and the dust removing net (6), one end of an exhaust pipe (8) is communicated with the top surface of the filtering shell (4), a vacuum pump (9) is communicated with the other end of the exhaust pipe (8), and a monitoring mechanism is arranged on the exhaust pipe (8);
the recoil mechanism comprises a gas flushing cylinder (10), a plurality of reverse punched holes (11) are formed in the outer wall of the gas flushing cylinder (10), two ends of the gas flushing cylinder (10) are respectively connected with two opposite inner walls of the filtering shell (4) in a rotating mode, one end of a rotating rod (12) is fixedly connected to one end of the gas flushing cylinder (10), the other end of the rotating rod (12) penetrates through the inner wall of the filtering shell (4) and is fixedly connected with an output end of a rotating motor (13), the rotating motor (13) is fixedly connected to the outer wall of one side of the filtering shell (4), a gas flushing pump (14) is fixedly connected to the outer wall of the other side of the filtering shell (4), one end of a gas flushing pipe (15) is communicated to the output end of the gas flushing pump (14), and the other end of the gas flushing pipe (15) is communicated with the inner cavity of the gas flushing cylinder (10).
The scraping mechanism comprises a scraping motor (16), the scraping motor (16) is fixedly connected to the outer wall of the filtering shell (4), one end of a screw rod (17) is fixedly connected to the output end of the scraping motor (16), the other end of the screw rod (17) penetrates through the filtering shell (4) and is rotationally connected with the inner wall of the filtering shell (4), a connecting block (18) is sleeved on the screw rod (17), the connecting block (18) is of a rectangular structure, two ends of the connecting block (18) are respectively in sliding contact with two opposite inner walls of the filtering shell (4), a scraping plate (19) is fixedly connected to the top surface of the connecting block (18), and the top surface of the scraping plate (19) is in sliding contact with the bottom surface of the dust removing net (6);
the heating mechanism comprises a heat preservation cylinder (31), the outer wall of the heat preservation cylinder (31) is fixedly connected with the inner wall of the furnace body (2), the inner cavity of the heat preservation cylinder (31) is communicated with a ventilation cylinder, a plurality of heating blocks (32) are arranged on the inner wall of the heat preservation cylinder (31), the heating blocks (32) are electrically connected with an external power supply, a plurality of support columns (33) are fixedly connected to the bottom of the inner wall of the heat preservation cylinder (31), a placement plate (34) is fixedly connected to the top surface of the support columns (33), a sliding plate (35) is arranged on the top surface of the placement plate (34), a T-shaped sliding groove (37) matched with the T-shaped sliding block (36) is fixedly connected to one side of the bottom surface of the sliding plate (35);
the sealing mechanism comprises an end cover (38), two ends of the peripheral surface of the end cover (38) are fixedly connected with a hinging seat (39) and a connecting seat (40) respectively, the hinging seat (39) is hinged with the outer wall of the furnace body (2), a plug-in column (41) is fixedly connected to the side surface of the connecting seat (40), a plug-in seat (42) is fixedly connected to the outer wall of the furnace body (2), a plug-in groove matched with the plug-in column (41) is formed in the side surface of the plug-in seat (42), a magnetic sheet (43) is fixedly connected in the plug-in groove, the plug-in seat (42) is in threaded connection with the connecting seat (40) through a fixing bolt (44), and a sealing assembly is arranged on the side surface of the end cover (38);
annular cavity (49) have been seted up to end cover (38), end cover (38) side top and bottom are provided with water inlet connector (50) respectively and draw water joint (51), water inlet connector (50) with draw water joint (51) with annular cavity (49) intercommunication, outside water source is connected respectively to water inlet connector (50) and draw water joint (51), end cover (38) side center rigid coupling has compressing motor (52), compressing motor (52) output rigid coupling has the one end of compressing rod (53), drive hole and rectangular hole of intercommunication have been seted up respectively to end cover (38) both sides face, compressing rod (53) other end runs through the drive hole and has compressing cylinder (54) through threaded connection, compressing cylinder (54) outer wall sets up to rectangular structure, compressing cylinder (54) outer wall and rectangular hole inner wall sliding contact, compressing cylinder (54) side rigid coupling has compressing plate (55), compressing plate (55) side and heat preservation (45) rigid coupling, compressing plate (55) side edge with compressing cylinder (31) terminal surface end, perisporium (53) are connected with drive hole through sealing connection (56).
2. The silicon carbide slip casting and sintering device according to claim 1, wherein: the dust collection mechanism comprises a dust collection pump (20), the dust collection pump (20) is fixedly connected to the outer wall of the filtering shell (4), the input end of the dust collection pump (20) is communicated with one end of a dust collection pipe (21), the other end of the dust collection pipe (21) penetrates through the filtering shell (4) and is fixedly connected with the inner wall of the filtering shell (4), a plurality of air suction heads (22) are communicated to the outer wall of the dust collection pipe (21), and the air suction directions of the air suction heads (22) face to the dust collection seat (7).
3. The silicon carbide slip casting and sintering device according to claim 1, wherein: the disassembly mechanism arranged on the sterilization net (5) comprises a connecting plate (23), the side face of the connecting plate (23) is fixedly connected with one side face of the sterilization net (5), the other three side faces of the sterilization net (5) are fixedly connected with rubber pads (24) respectively, strip-shaped holes matched with the sterilization net (5) are formed in the side face of the filtering shell (4), sealing grooves matched with the rubber pads (24) are formed in the inner wall of the filtering shell (4), connecting bolts (25) are connected with the side faces of the connecting plate (23) in a threaded mode, and the connecting bolts (25) are connected with the outer wall of the filtering shell (4) in a threaded mode.
4. The silicon carbide slip casting and sintering device according to claim 1, wherein: the monitoring mechanism comprises an adjusting rod (26), one end of the adjusting rod (26) penetrates through the exhaust pipe (8) and is fixedly connected with an adjusting disc (27), the circumferential surface of the adjusting disc (27) is in sliding contact with the inner wall of the exhaust pipe (8), the other end of the adjusting rod (26) is fixedly connected with a rotary table (28), the outer wall of the adjusting rod (26) is connected with the outer wall of the exhaust pipe (8) through a sealing bearing (56), and a gas flow detector (30) is arranged on the exhaust pipe (8).
5. The silicon carbide slip casting and sintering device according to claim 1, wherein: the sealing assembly comprises a heat preservation layer (45), the heat preservation layer (45) is matched with the open end of the heat preservation barrel (31), the heat preservation layer (45) is fixedly connected to the side face of the end cover (38), a sealing ring (46) is fixedly connected to the edge of the side face of the end cover (38), and the sealing ring (46) is in butt joint with the end face of the furnace body (2).
6. The silicon carbide slip casting and sintering device according to claim 1, wherein: the ventilation mechanism comprises a ventilation pipe (47), the ventilation pipe (47) is communicated with the top surface of the dust collection seat (7), the ventilation pipe (47) is communicated with the inner cavity of the furnace body (2), and a one-way valve (48) is arranged in the ventilation pipe (47).
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| CN202210001435.2A CN114279211B (en) | 2022-01-04 | 2022-01-04 | Silicon carbide slip casting sintering device |
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| CN114775392B (en) * | 2022-04-15 | 2024-03-19 | 交通运输部公路科学研究所 | Method for enhancing transverse load transfer capacity between airport concrete pavement panels |
| CN116067189B (en) * | 2023-02-21 | 2023-07-25 | 湖南诺伯特高温设备股份有限公司 | Device for adsorbing dust |
| CN116177653B (en) * | 2023-04-18 | 2024-02-20 | 青海九零六工程勘察设计院有限责任公司 | Geothermal water degassing and sand removing device based on geothermal water supply |
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| CN209820121U (en) * | 2019-03-16 | 2019-12-20 | 宁波中杭磁材有限公司 | Vacuum sintering furnace |
| CN210718598U (en) * | 2019-09-12 | 2020-06-09 | 河源普益硬质合金厂有限公司 | Carbide vacuum sintering stove |
| CN112747602A (en) * | 2019-10-31 | 2021-05-04 | 湖南鑫聚利机械有限公司 | Evacuating device of silicon carbide sintering furnace |
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| WO2019161214A1 (en) * | 2018-02-18 | 2019-08-22 | Markforged, Inc. | Sintering furnace |
| CN209820121U (en) * | 2019-03-16 | 2019-12-20 | 宁波中杭磁材有限公司 | Vacuum sintering furnace |
| CN210718598U (en) * | 2019-09-12 | 2020-06-09 | 河源普益硬质合金厂有限公司 | Carbide vacuum sintering stove |
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