CN219735972U

CN219735972U - Protection assembly of porcelain furnace for closed denture production

Info

Publication number: CN219735972U
Application number: CN202223515265.4U
Authority: CN
Inventors: 王猛; 马成锦; 林丽侠
Original assignee: Dalian Guanxiang Denture Co ltd
Current assignee: Dalian Guanxiang Denture Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-09-22
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a protection component of a porcelain oven for closed false tooth production, which particularly relates to the technical field of protection components of porcelain ovens, and comprises a furnace body and a false tooth placing box, wherein a first cavity is formed in the furnace body, an air inlet is formed in the upper wall surface of the furnace body, an air inlet pipe is fixedly connected to the upper end of the air inlet pipe, an air inlet valve is formed in the air inlet pipe, a cooling box is fixedly connected to the upper end of the air inlet pipe, a filtering mechanism is fixedly connected to one side of the cooling box, a clamping mechanism is arranged in the first cavity, a heating rod is fixedly arranged in the furnace body, a transmission mechanism is arranged at the lower end of a second heat insulation board, an observation mechanism is arranged on the side wall surface of the furnace body, and an electric push rod is started to drive a transparent high-temperature heat insulation board to move so as to achieve the effect of keeping the inside of the furnace body sealed, and the porcelain oven can be effectively observed, after porcelain baking is finished, an air pump is started, and a fan is started to filter air through the filtering box after the air is cooled, so as to achieve the effect of cooling the inside of the porcelain oven.

Description

Protection assembly of porcelain furnace for closed denture production

Technical Field

The utility model relates to the technical field of porcelain furnace protection components, in particular to a porcelain furnace protection component for closed denture production.

Background

False teeth are commonly referred to as "false teeth", just like "false legs" and "false limbs" are referred to as "artificial limbs", and "false teeth" mean teeth which are "obligated" for humans, and are known as prosthesis made after partial or complete teeth of upper and lower jaws are missing in medicine, and porcelain is a dental technology and is commonly referred to as porcelain teeth. The prosthesis has the advantages of high strength of metal, attractive appearance of porcelain, tooth reality, wear resistance and the like, and can achieve ideal function and form for repairing missing anterior teeth and rear teeth. In the porcelain baking process, the temperature in the porcelain baking furnace can reach 1200 ℃, and the most common equipment is a porcelain baking furnace.

The prior patent (publication number: CN 215598090U) discloses a porcelain oven, which comprises a telescopic mechanism, a clamping mechanism and a porcelain oven body, wherein the porcelain oven body is arranged on the telescopic mechanism, the clamping mechanism comprises a processing table, the inner side of the processing table is movably connected with a movable screw rod, the outer side of the movable screw rod is in threaded connection with a movable screw block, the top of the movable screw block is fixedly connected with a fixed block, the top of the fixed block is fixedly connected with a movable clamping block, the outer side of the movable clamping block is fixedly connected with a silica gel pad, the bottom of the movable screw block is fixedly connected with a sliding block, and the inner side of the processing table is fixedly connected with a sliding rod.

The inventors found that the following problems exist in the prior art in the process of implementing the present utility model:

1. most airtight effects of current porcelain stove are poor, like porcelain stove in the contrast file, can drive the threaded rod through the motor and rotate, threaded rod pivoted in-process can drive screw thread piece, processing platform and artificial tooth body in proper order and reciprocate, can remove the artificial tooth body and carry out porcelain processing to porcelain stove body's inboard, lead to processing at every turn to need start the motor again with artificial tooth transfer to porcelain stove body, and a small amount of impurity in the air can adsorb on the artificial tooth, can influence the processing effect to the artificial tooth in the heating process.

2. Because in the porcelain baking process, the temperature in the porcelain baking furnace can reach 1200 ℃ to effectively process the false tooth, the false tooth temperature is high in the processing process because the temperature in the porcelain baking furnace is high, scalding is easy to occur if the false tooth is directly taken out with the protector, the false tooth is inconvenient to take out, a great deal of time is required for standing for cooling at room temperature, and the specific temperature in the porcelain baking furnace and the false tooth cannot be judged in the natural heat dissipation process.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a protection component of a closed type false tooth production porcelain furnace, which solves the problems that the existing porcelain furnace 1 and the existing porcelain furnace mostly have poor sealing effect, such as the porcelain furnace in a comparison document, a motor can drive a threaded rod to rotate, the threaded rod can sequentially drive a threaded block, a processing table and a false tooth body to move up and down in the rotating process of the threaded rod, the false tooth body can be moved to the inner side of the porcelain furnace body for porcelain processing, the motor needs to be started for transferring the false tooth to the porcelain furnace body again in each processing, a small amount of impurities in the air can be adsorbed on the false tooth during the process of heating, and the processing effect on the false tooth can be influenced in the heating process.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a porcelain stove protective component is produced to closed artificial tooth, includes furnace body and artificial tooth place the case, the inside first cavity that is equipped with of furnace body, the furnace body upper wall is equipped with the air inlet, air inlet upper end fixedly connected with intake pipe, be equipped with the air inlet valve in the intake pipe, intake pipe upper end fixedly connected with cooler bin, cooler bin one side fixedly connected with filter mechanism, filter mechanism opposite side fixedly connected with air pipe, be connected with the air pump in the middle of the air pipe, air pump fixedly connected with is on the furnace body the air valve is equipped with to the lower extreme cover of air pipe, air pipe lower extreme fixedly connected with is on the gas outlet, there is fixture in the first cavity, furnace body fixed mounting has the heating rod, furnace body lower extreme movable cartridge has the second heat insulating board furnace body lower extreme is located its outer wall in one side of second heat insulating board and is equipped with first sealing door, the second lower extreme is provided with drive mechanism, observation mechanism has been seted up to the furnace body lateral wall.

Preferably, the fixture includes denture placement box and second locating lever, denture placement box one side fixedly connected with locating piece, the fixed dead lever that is equipped with in locating piece center, the locating piece both sides are equipped with a pair of locating lever, furnace body lateral wall face just is located locating piece one side and is equipped with first spout, sliding cartridge has the slider on the first spout, the dead lever with a pair of locating lever activity cartridge is in the slider, the furnace body lower part is equipped with first heat insulating board, the cover is equipped with the gasket on the second locating lever, be equipped with the second spout in the first heat insulating board, the second locating lever runs through first heat insulating board, second locating lever one end just is located the box external fixation and is equipped with the knob, second locating lever other end fixed connection is placed on the box at the denture.

Preferably, the transmission mechanism comprises a rotating motor, a pair of connecting rods are fixedly arranged on the lower side of a side wall surface of the furnace body and above the transmission mechanism, a pair of driving wheels are arranged on one side in the furnace body, a pair of driven wheels are arranged on the other side in the furnace body, the driving wheels are connected through a second rotating shaft, the rotating end of the rotating motor is fixedly connected to one side of the driving wheels, the driven wheels are rotatably connected to the connecting rods, the driving wheels and the driven wheels are connected with a conveying crawler belt through rack meshing, a plurality of supporting wheels are arranged in the conveying crawler belt, and a false tooth storage box is arranged at the lower end of the conveying crawler belt.

Preferably, the observation mechanism comprises a transparent high-temperature heat insulation plate, an electric push rod is arranged in the furnace body, the telescopic end of the electric push rod is fixedly connected with the transparent high-temperature heat insulation plate, an observation groove is formed in the side wall surface of the furnace body, the transparent high-temperature heat insulation plate is arranged in the observation groove, a heat insulation groove is avoided being arranged below the observation groove, and one end of the transparent high-temperature heat insulation plate is movably inserted in the heat insulation groove.

Preferably, the filtering mechanism comprises a filtering box body, a pair of second sealing doors are arranged in the filtering box body, a pair of filtering plates are arranged in the second sealing doors, and the filtering plates are movably inserted into the filtering box body.

Preferably, the side wall surface of one side of the denture placement box comprises a pair of slots, a first rotating shaft is rotatably inserted in the pair of slots, and a baffle is sleeved on the first rotating shaft.

Preferably, the denture storage box is internally provided with a protection pad, and a plurality of silica gel protection pads are uniformly arranged on the conveying crawler belt.

Preferably, the cooling box comprises a fan, a first air inlet is formed in the lower end of the cooling box, a coiled pipe is connected to the first air inlet, a first air outlet is connected to the other end of the coiled pipe, a plurality of air outlets are formed in the upper end of the cooling box, and the fan is arranged in the cooling box _。

Advantageous effects

The utility model provides a protection component of a porcelain furnace for producing closed false teeth, which is characterized in that firstly, an electric push rod is started, the telescopic end of the electric push rod drives a transparent high-temperature heat insulation plate to rise, then a knob is pulled, the knob drives a second positioning rod, the second positioning rod slides in a second chute through a gasket sleeved on the second positioning rod, the second positioning rod drives a false tooth placing box fixedly connected with the second positioning rod and a positioning block fixedly connected with the other side of the false tooth placing box to move forwards, meanwhile, the positioning block is inserted into a sliding block through a pair of positioning rods and a fixing rod, so that the sliding block is driven to slide in the first chute, the purpose of pulling out the false tooth placing box is achieved, then the false tooth to be processed is placed in the false tooth placing box, the previous steps are repeated, the false tooth placing box is moved back to the initial position, and the electric push rod is startedThe telescopic end drives the transparent high-temperature heat insulation plate to descend into the heat insulation groove, thereby realizing the function of full sealing in the heating process _， Compared with the sealing performance of the comparison document, the method has the advantages that the impurity adhesion is effectively prevented in the processing process, and the porcelain baking process can be effectively observed through the transparent high-temperature heat insulation plate.

The utility model provides a protection component of a porcelain oven for closed denture production, after porcelain is finished, a heating rod is closed, an air pump is started, a fan is opened, an air inlet valve fixed at an air inlet is opened, high-temperature gas is moved to an air inlet pipe through the air inlet, the gas is moved to a first air inlet to pass through a coiled pipe, the heat of the gas is driven by the rotation of the fan to exchange heat through an air outlet arranged on a cooling box, the cooled gas flows out to the first air outlet, then the gas is filtered through a filtering box body, impurities in the gas are left in the filtering box body, the filtered gas is circulated to an air pipeline, an air outlet valve on the air pipeline is opened, the filtered gas flows into a first cavity through the air outlet, the effect of cooling the interior of the porcelain oven is achieved, compared with the effect of opening a porcelain oven body in a comparison file only after the processing is finished, the process requires a lot of time to cool by means of heat exchange between gas and air, the first sealing door is opened to pull out the second heat insulation plate which is slidably arranged in the first sliding rail, the rotating motor is started, the pair of driving wheels which are fixedly connected with the rotating end of the rotating motor drive the transmission caterpillar drive which is in meshed connection with the rotating motor, then the knob is pulled outwards to enable a pair of fixing rods which are movably inserted in the sliding block to leave the sliding block, then the knob is rotated to enable the baffle which is sleeved on the rotating shaft to open one side of the denture placement box through self gravity so that the denture placement box is enabled to leave the denture placement box, the denture placement box is transferred to the transmission caterpillar, the denture is conveyed to the denture storage box through the transmission caterpillar, the heated denture is stored, and compared with the comparison document, the specific temperature in the porcelain furnace can not be judged in the natural heat dissipation process, the false tooth is inconvenient to take out.

Drawings

Fig. 1 is a schematic view of the whole structure of a porcelain oven protection assembly for closed denture production according to the present utility model.

Fig. 2 is a top view of a conveyor mechanism for a protective assembly of a porcelain oven for closed denture production according to the present utility model.

Fig. 3 is a top view of a clamping mechanism of a protective assembly of a porcelain oven for producing closed false teeth according to the present utility model.

Fig. 4 is a side view of an observation mechanism of a porcelain oven protection assembly for closed denture production according to the present utility model.

Fig. 5 is a side view of a filter mechanism of a protective assembly of a porcelain oven for closed denture production according to the present utility model.

Fig. 6 is a side view of a cooling box of a protective assembly of a porcelain oven for producing a closed denture.

In the figure: 1. a furnace body; 2. a heating rod; 3. transparent high-temperature heat insulation plate; 4. an electric push rod; 5. a rotating electric machine; 6. a first sealing door; 7. a first slide rail; 8. a connecting rod; 9. a denture storage box; 10. a denture placement box; 11. a driving wheel; 12. a conveyor track; 13. driven wheel; 14. an air outlet; 15. an air outlet valve; 16. an air duct; 17. an air pump; 18. an air inlet pipe; 19. a filter box; 20. a second sealing door; 21. a filter plate; 22. a cooling box; 23. an air inlet valve; 24. an air inlet; 25. a rotating shaft; 26. a baffle; 27. a rotating shaft; 28. a slide block; 29. a first chute; 30. a positioning rod; 31. a fixed rod; 32. a positioning block; 33. a knob; 34. a first heat shield; 35. a gasket; 36. a second positioning rod; 37. a second chute; 38. second heat insulation board

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a porcelain stove protective component is placed to closed artificial tooth production, includes furnace body 1 and artificial tooth, the box 10 is placed to the artificial tooth, the inside first cavity that is equipped with of furnace body 1, the upper wall of furnace body is equipped with air inlet 24, air inlet 24 upper end fixedly connected with intake pipe 18, be equipped with air inlet valve 23 on the intake pipe 18, air inlet 18 upper end fixedly connected with cooler bin 22, cooler bin 22 one side fixedly connected with filtering mechanism, filtering mechanism opposite side fixedly connected with air pipe 16, air pipe 16 intermediate junction has air pump 17, air pump 17 fixedly connected with is equipped with air outlet valve 15 in furnace body 1 the lower extreme cover of air pipe 16, air pipe 16 lower extreme fixedly connected with is on air outlet 14, there is fixture in the first cavity, furnace body 1 fixed mounting has heating rod 2, furnace body 1 lower extreme activity cartridge has second heat insulating board 38 furnace body 1 lower extreme is located its outer wall of second heat insulating board 38 one side and is equipped with first sealing door 6, second heat insulating board 38 lower extreme is provided with drive mechanism, observation mechanism has been seted up to the furnace body lateral wall face, carries out audio-visual observation through the process of seeing through observation mechanism to heating artificial tooth, thereby cools down and filters the effect through cooling box and the filter box that sets up on it to the steam that produces after the end heating and reaches and keep furnace body inner sealing structure and reached the effect of filtering the cooling in it.

Further, the fixture includes denture placement case 10 and second locating lever 36, denture placement case 10 one side fixedly connected with locating piece 32, locating piece 32 center fixedly is equipped with dead lever 31, locating piece 32 both sides are equipped with a pair of locating lever 30, furnace body 1 lateral wall face just is located locating piece 32 one side and is equipped with first spout 29, slide cartridge has slider 28 on the first spout 29, dead lever 31 and a pair of locating lever 30 movable cartridge are in slider 28, furnace body 1 lower part is equipped with first heat insulating board 34, the cover is equipped with gasket 35 on the second locating lever 36, be equipped with second spout 37 in the first heat insulating board 34, second locating lever 36 runs through first heat insulating board 34, second locating lever 36 one end just is located the fixed knob 33 that is equipped with outside the box, second locating lever 36 other end fixed connection is placed on case 10 to reach the fixed placement to the denture.

Further, the drive mechanism includes rotating electrical machines 5, furnace body 1 lateral wall face downside just is located drive mechanism top fixed a pair of connecting rod 8 that is equipped with, one side is equipped with a pair of action wheel 11 in the furnace body 1, the opposite side is equipped with a pair of follow driving wheel 13 in the furnace body 1, a pair of action wheel 11 is connected through the second pivot, rotating electrical machines 5 rotation end fixed connection is in a pair of action wheel 11 one side is last, a pair of follow driving wheel 13 rotation is connected on a pair of connecting rod 8, a pair of action wheel 11 and a pair of follow driving wheel 13 are last to be connected with conveying track 12 through the rack meshing, be equipped with a plurality of supporting wheels in the conveying track 12, conveying track 12 lower extreme is equipped with artificial tooth containing box 9 to reach and not stretch into the furnace body inside with the hand, just can take out the artificial tooth after porcelain.

Further, observation mechanism includes transparent high temperature heat insulating board 3, be equipped with electric putter 4 in the furnace body 1, electric putter 4 flexible end fixed connection transparent high temperature heat insulating board 3, the observation groove has been seted up to furnace body 1 lateral wall face, transparent high temperature heat insulating board 3 establishes in the observation groove, avoid being equipped with the heat preservation groove under the observation groove, the activity cartridge of transparent high temperature heat insulating board 3 one end is in the heat preservation inslot to reach and transparentization to the course of working, conveniently observe.

Further, the filtering mechanism comprises a filtering box 19, a pair of second sealing doors 20 are arranged in the filtering box 19, a pair of filter plates 21 are arranged in the second sealing doors 20, and the filter plates 21 are movably inserted into the filtering box 19, so that the effect of filtering cooled gas is achieved, impurities in the gas are prevented from flowing back into the furnace body through the gas again, and the impurities in the gas are effectively reduced.

Further, a protection pad is arranged inside the denture storage box 9, and a plurality of silica gel protection pads are uniformly arranged on the conveying crawler 12 so as to protect the denture after porcelain.

Further, the cooling box 22 comprises a fan, a first air inlet is formed in the lower end of the cooling box, a coiled pipe is connected to the first air inlet, a first air outlet is connected to the other end of the coiled pipe, a plurality of air outlets are formed in the upper end of the cooling box 22, and the cooling box 22 is internally provided with the fan, so that cooling is performed on air through the fan.

The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.

Examples: firstly, the electric push rod 4 is started, the telescopic end of the electric push rod 4 drives the transparent high-temperature heat insulation plate 3 to ascend, then the knob 33 is pulled, the knob 33 drives the second positioning rod 36, the second positioning rod 36 slides in the second sliding groove 37 through the gasket 35 sleeved on the second positioning rod, the second positioning rod 36 drives the denture placement box 10 fixedly connected with the second positioning rod and the positioning block 32 fixedly connected with the other side of the denture placement box 10 to move forwards, meanwhile, the telescopic end of the electric push rod 4 is started to drive the sliding block 28 to slide in the first sliding groove 29 through the insertion of the positioning block 32 in the sliding block 28 by the pair of positioning rods 30 and the fixing rod 30, the purpose of pulling out the denture placement box 10 is achieved, then the denture to be processed is placed in the denture placement box 10, the previous steps are repeated, the denture placement box 10 is moved back to the initial position, the transparent high-temperature heat insulation plate 3 is driven to descend into the heat insulation groove by the telescopic end of the electric push rod 4, the full-sealing effect is achieved in the heating process, then the heating rod 2 is started to perform porcelain baking on the false tooth, the porcelain baking process can be effectively observed through the transparent high-temperature heat insulation plate 3 in the porcelain baking process, after porcelain baking is finished, the heating rod 2 is closed, the air pump 17 is started, the fan is opened, the air inlet valve 23 fixed at the air inlet 24 is opened, high-temperature gas is moved to the air inlet pipe 18 through the air inlet 24, the gas is moved to the first air inlet to pass through the coiled pipe, the heat of the gas is driven to achieve heat exchange through the air outlet arranged on the cooling box 22 by the rotation of the fan, the cooled gas flows out to the first air outlet, the gas is filtered through the filtering box 19, impurities in the gas are reserved in the filtering box, the filtered gas is circulated to the air pipe 16, the air outlet valve 15 on the air pipe 16 is opened, the filtered gas flows into the first cavity through the air outlet 14, the effect of cooling the interior of the porcelain oven is achieved, the first sealing door 6 is opened, the second heat insulation plate 38 which is slidably installed in the first sliding rail 7 is pulled out, the rotating motor 5 is started, the transmission caterpillar band 12 which is in meshed connection with the rotating motor 5 is driven by the pair of driving wheels which are fixedly connected with the rotating end of the rotating motor 5, the knob 33 is pulled outwards, the pair of fixing rods 30 which are movably inserted in the sliding block 28 are separated from the sliding block 28, the knob 33 is rotated, the baffle 26 sleeved on the rotating shaft 27 is opened by self gravity, one side of the denture placement box 10 is opened, the baked denture is separated from the denture placement box 10, the baked denture is transferred onto the transmission caterpillar band 12, and the baked denture is conveyed to the denture storage box 9 through the transmission caterpillar band 12, and the heated denture is stored.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a porcelain stove protective component is placed to closed artificial tooth production, includes furnace body (1) and artificial tooth, its characterized in that, furnace body (1) inside is equipped with first cavity, furnace body upper wall is equipped with air inlet (24), air inlet (24) upper end fixedly connected with intake pipe (18), be equipped with air inlet valve (23) on intake pipe (18), air inlet (18) upper end fixedly connected with cooler bin (22), cooler bin (22) one side fixedly connected with filter mechanism, filter mechanism opposite side fixedly connected with air pipe (16), air pipe (16) intermediate junction has air pump (17), air pump (17) fixedly connected with is on furnace body (1) air pipe (16) lower extreme cover is equipped with air outlet valve (15), air pipe (16) lower extreme fixedly connected with is on air outlet (14), there is fixture in first cavity, furnace body (1) fixedly mounted with heating rod (2), second (38) are inserted in furnace body (1) lower extreme activity, furnace body (1) lower extreme is located first side wall (38) and is equipped with first side wall (38), second wall (38) are located first wall surface, second wall (38) are provided with heat insulating board.

2. The porcelain stove protection assembly for closed denture production according to claim 1, wherein the clamping mechanism comprises a denture placement box (10) and a second positioning rod (36), one side of the denture placement box (10) is fixedly connected with a positioning block (32), a fixing rod (31) is fixedly arranged at the center of the positioning block (32), a pair of positioning rods (30) are arranged on two sides of the positioning block (32), a first sliding groove (29) is arranged on one side of the side wall surface of the furnace body (1), a sliding block (28) is inserted on the first sliding groove (29) in a sliding manner, the fixing rod (31) and the pair of positioning rods (30) are movably inserted in the sliding block (28), a first thermal insulation plate (34) is arranged at the lower part of the furnace body (1), a gasket (35) is sleeved on the second positioning rod (36), a second sliding groove (37) is arranged in the first thermal insulation plate (34), the second positioning rod (36) penetrates through the first thermal insulation plate (34), one end of the second positioning rod (36) is fixedly provided with a knob (33), and the other end of the second positioning rod (36) is fixedly arranged outside the box, and the second positioning rod (33) is connected with the denture placement box.

3. The porcelain stove protection assembly for closed denture production according to claim 1, wherein the transmission mechanism comprises a rotating motor (5), a pair of connecting rods (8) are fixedly arranged on the lower side of a side wall surface of the furnace body (1) and above the transmission mechanism, a pair of driving wheels (11) are arranged on one side in the furnace body (1), a pair of driven wheels (13) are arranged on the other side in the furnace body (1), the driving wheels (11) are connected through a second rotating shaft, the rotating end of the rotating motor (5) is fixedly connected to one side of the driving wheels (11), the driven wheels (13) are rotatably connected to the connecting rods (8), a pair of driving wheels (11) and the driven wheels (13) are connected with a conveying crawler (12) through rack meshing, a plurality of supporting wheels are arranged in the conveying crawler (12), and the lower end of the conveying crawler (12) is provided with a denture storage box (9).

4. The porcelain stove protection assembly for closed denture production according to claim 1, wherein the observation mechanism comprises a transparent high-temperature heat insulation plate (3), an electric push rod (4) is arranged in the furnace body (1), the telescopic end of the electric push rod (4) is fixedly connected with the transparent high-temperature heat insulation plate (3), an observation groove is formed in the side wall surface of the furnace body (1), the transparent high-temperature heat insulation plate (3) is arranged in the observation groove, a heat insulation groove is prevented from being arranged below the observation groove, and one end of the transparent high-temperature heat insulation plate (3) is movably inserted in the heat insulation groove.

5. The porcelain oven protection assembly for closed denture production according to claim 1, wherein the filtering mechanism comprises a filtering box body (19), a pair of second sealing doors (20) are arranged in the filtering box body (19), filter plates (21) are arranged in the pair of second sealing doors (20), and the pair of filter plates (21) are movably inserted into the filtering box body (19).

6. The porcelain oven protection assembly for closed denture production according to claim 1, wherein the side wall surface of one side of the denture placement box (10) comprises a pair of slots, a first rotating shaft (27) is rotatably inserted in one pair of the slots, and a baffle (26) is sleeved on the first rotating shaft (27).

7. A closed denture production porcelain furnace protection component according to claim 3, wherein a protection pad is arranged inside the denture storage box (9), and a plurality of silica gel protection pads are uniformly arranged on the conveying crawler belt (12).

8. The porcelain oven protection assembly for closed denture production according to claim 1, wherein the cooling box (22) comprises a fan, a first air inlet is formed in the lower end of the cooling box, a coiled pipe is connected to the first air inlet, a first air outlet is connected to the other end of the coiled pipe, a plurality of air outlets are formed in the upper end of the cooling box (22), and the fan is arranged in the cooling box (22).