CN209734200U

CN209734200U - Porcelain sintering furnace

Info

Publication number: CN209734200U
Application number: CN201920080491.3U
Authority: CN
Inventors: 刁锡洲
Original assignee: Accurate Chi Yan Co Ltd Of New Dingyuan In Xi'an
Current assignee: Accurate Chi Yan Co Ltd Of New Dingyuan In Xi'an
Priority date: 2019-01-17
Filing date: 2019-01-17
Publication date: 2019-12-06
Anticipated expiration: 2029-01-17

Abstract

The utility model relates to a porcelain fritting furnace, including the base, it has porcelain oven chamber to articulate on the base, be equipped with the porcelain platform that sets up side by side on the base, be equipped with slider on the base, porcelain platform passes through slider with the base and is connected, be equipped with cooling device on the base, cooling device is located porcelain oven chamber one side, set up two porcelain platforms on the base, and porcelain platform passes through slider sliding connection with the base, when the preparation porcelain tooth, put into one of them porcelain platform with porcelain tooth idiosome earlier and then close porcelain oven chamber and carry out the porcelain, after the porcelain is accomplished, open porcelain oven chamber, through slider, the porcelain tooth that accomplishes the porcelain with porcelain oven platform moves to cooling device one side and cools off; simultaneously place next porcelain tooth idiosome and then carry out next porcelain tooth porcelain of carving on another porcelain platform adjacent, need not to wait for the porcelain platform cooling, quick cooling, continuity of operation are realized in the duplex position setting, avoid porcelain tooth because of the inhomogeneous fracture of temperature.

Description

porcelain sintering furnace

Technical Field

The utility model belongs to the technical field of artificial tooth processing apparatus and specifically relates to a porcelain fritting furnace is related to.

Background

Porcelain is a dental technique generally referred to as porcelain teeth. The prosthesis has the advantages of high strength of metal, beautiful appearance of porcelain, tooth verisimilitude, wear resistance and the like, and can achieve ideal function and shape of repairing missing anterior teeth and missing posterior teeth. Can perfect the pronunciation, and lead the prosthesis to be coordinated with the adjacent teeth, the mouth and the lip, the teeth and the surface shape, thereby providing the whole and harmonious aesthetic feeling for the prosthesis and other people. At present, a porcelain oven is adopted for manufacturing porcelain teeth.

If the utility model with the authorization notice number of CN207894235U discloses a false tooth porcelain sintering furnace, which comprises a sintering furnace shell, a sintering furnace heating device, a warning sign, a drawing protective cover, a sintering furnace groove, a workbench, a porcelain baking table, a porcelain baking bracket, a sintering furnace base, a power supply input line, a left heat dissipation window, a right heat dissipation window, an electronic display screen, an operation keyboard and a movable universal wheel, the upper side of the sintering furnace shell is provided with a sintering furnace heating device, the front side of the sintering furnace heating device is provided with a warning sign, the bottom of the sintering furnace heating device is provided with a drawing protective cover which is internally provided with a sintering furnace groove, a workbench is arranged at the lower side of the sintering furnace groove, a porcelain baking table is arranged on the workbench, an electronic display screen is arranged on the front side of the sintering furnace base, an operation keyboard is arranged on the lower side of the electronic display screen, and a movable universal wheel is arranged at the bottom of the sintering furnace base.

However, the above-described technique has the following drawbacks: when carrying out continuous porcelain preparation operation, the porcelain tooth that follow-up was put into is still higher because its porcelain platform temperature, and it is inhomogeneous to be heated on the porcelain tooth idiosome, and the subsidiary moisture of idiosome is by rapid evaporation, influences the sintering quality of porcelain tooth idiosome during high temperature sintering, causes the porcelain damaged easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a porcelain fritting furnace has the function of cooling off porcelain tooth and porcelain platform fast, can carry out the preparation of porcelain tooth in succession.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a porcelain fritting furnace, includes the base, in articulated porcelain furnace that has vertical upset on the base, the base is improved level and is equipped with slider, the slider up end is equipped with two porcelain platforms side by side, two connecting wire between the porcelain platform is on a parallel with porcelain furnace's articulated limit, in be equipped with cooling device on the base, cooling device is located porcelain platform's stroke orbit one side.

The technical scheme is implemented, two porcelain platforms are arranged on a base and are in sliding connection with the base through a sliding device, when porcelain teeth are manufactured, a porcelain tooth blank body is firstly placed into one porcelain platform, then a porcelain hearth is closed for porcelain baking, after the porcelain baking is finished, the porcelain hearth is opened, and the porcelain teeth finished with the porcelain baking and the porcelain platforms are moved to one side of a cooling device through the sliding device to be cooled; simultaneously place next porcelain tooth idiosome and then carry out next porcelain tooth porcelain of carving on another porcelain platform adjacent, need not to wait for the porcelain platform cooling, quick cooling, continuity of operation are realized in the duplex position setting, avoid the inhomogeneous fracture of porcelain tooth being heated.

The utility model discloses further set up to: the sliding device comprises a sliding plate connected with the bottoms of the porcelain platforms, the two porcelain platforms are arranged on the sliding plate side by side, the sliding plate is connected with the base in a sliding mode, a corresponding embedded groove is formed in the base and is connected with the sliding plate in a sliding mode, an adjusting lead screw parallel to the length direction of the sliding plate is arranged on one side of the sliding plate, the adjusting lead screw extends out of one side of the base, and an adjusting nut is connected to the base in a rotating mode and connected with the adjusting lead screw in a screwing mode.

According to the technical scheme, the adjusting screw rod and the sliding plate move outwards by rotating the adjusting nut, the adjusting screw rod is used for driving the sliding plate to move in a reciprocating mode, the adjusting precision is high, and the operation is easy.

The utility model discloses further set up to: the adjusting nut is connected with a rotating handle.

Implement above-mentioned technical scheme, set up and rotate the handle and be convenient for wrench movement adjusting nut.

The utility model discloses further set up to: two stopping blocks are symmetrically arranged on the adjusting screw rod, the distance between the two stopping blocks is equal to the distance between the two porcelain platforms, and the adjusting nut is located between the two stopping blocks.

According to the technical scheme, the stopping block is arranged, when the adjusting nut rotates to drive the adjusting screw rod, the adjusting screw rod and the sliding plate move outwards together, after the adjusting screw rod moves to the distance from one end of one porcelain platform to the other porcelain platform, the stopping block is in lap joint with the adjusting nut, the adjusting nut stops rotating, the porcelain platform is kept away from the porcelain hearth, the other porcelain platform enters the position below the porcelain hearth, and the stopping block is arranged to control the displacement of the sliding plate more accurately.

The utility model discloses further set up to: the ceramic oven is characterized in that a sealing ring is arranged on the periphery of the ceramic oven table along the upper edge of the sliding plate, a gas protection device is arranged in the ceramic oven hearth, and the gas protection device comprises a vacuumizing unit and a nitrogen injection unit.

implement above-mentioned technical scheme, when settling porcelain tooth idiosome on the porcelain platform, close above-mentioned porcelain oven chamber, porcelain oven chamber is sealed with the sealing washer butt, uses gas protection device, opens the air escape of evacuation unit in with porcelain oven chamber, and nitrogen gas is injected into to the porcelain oven chamber in to the nitrogen gas injection unit of rethread, and the nitrogen gas of injection does not react with porcelain tooth idiosome at the porcelain oven process, plays the guard action, makes porcelain tooth porcelain more compact.

The utility model discloses further set up to: the vacuumizing unit comprises a gas collecting port arranged on the porcelain oven hearth and a vacuum pump connected with the gas collecting port through a pipeline, and a cooling section is arranged on the pipeline.

Implement above-mentioned technical scheme, close above-mentioned porcelain furnace, porcelain furnace seals with the sealing washer butt, opens the evacuation unit, opens the vacuum pump, takes out porcelain furnace inside air through the vacuum pump, sets up the cooling zone and can set up when continuous operation, and the pipeline inhales scorching hot air and cools off after the cooling zone gradually, avoids haring the vacuum pump.

The utility model discloses further set up to: the nitrogen injection unit comprises an air inlet pipe arranged on the inner side of the porcelain furnace chamber and a nitrogen gas bottle connected with the air inlet pipe, and an air valve is arranged on the air inlet pipe.

Implement above-mentioned technical scheme, set up the nitrogen gas cylinder, with the porcelain furnace in the back of evacuation, open the pneumatic valve, let in porcelain furnace with nitrogen gas, nitrogen gas can not play the guard action with porcelain tooth idiosome reaction at porcelain tooth porcelain in-process.

The utility model discloses further set up to: the cooling device comprises two cooling fans arranged on the base, and the cooling fans are arranged on two sides of the porcelain hearth.

Implement above-mentioned technical scheme, after porcelain accomplishes, remove the porcelain platform to radiator fan department, open radiator fan and carry out quick cooling to porcelain tooth together with porcelain tooth.

The utility model discloses further set up to: and the upper end surface of the porcelain platform is provided with an inserting grid chamber for inserting the porcelain teeth.

By implementing the technical scheme, the porcelain tooth blank can be inserted above the grid chamber by arranging the inserting grid chamber, so that the contact area between the porcelain tooth blank and the porcelain table is reduced, the porcelain tooth blank is heated more uniformly, and the defective rate is reduced.

To sum up, the utility model discloses a beneficial technological effect does:

1. The utility model provides a pair of porcelain fritting furnace, including the base, it has porcelain oven chamber to articulate on the base, be equipped with on the base and be provided with porcelain platform side by side, be equipped with slider on the base, porcelain platform with the base passes through slider is connected, still be equipped with cooling device on the base, set up two porcelain platforms on the base, and porcelain platform and base pass through slider sliding connection, when the porcelain tooth is makeed, put porcelain tooth idiosome into one of them porcelain platform first and then close porcelain oven chamber and carry out porcelain, when porcelain is accomplished, open porcelain oven chamber, through slider, move porcelain tooth that porcelain was accomplished to cooling device department with porcelain oven platform and cool off; meanwhile, a next porcelain tooth blank is placed on the other porcelain platform adjacent to the porcelain platform, then porcelain teeth are carved next time, cooling of the porcelain platforms is not needed, and quick cooling and continuous operation are realized through double-station setting;

2. The adjusting screw rod is arranged at one end of the sliding plate to adjust the moving distance of the sliding plate, so that the adjusting precision is high, and the device is reliable;

3. The gas protection device is arranged in the porcelain oven hearth and comprises a vacuumizing unit and a nitrogen injection unit, the air with the moisture inside is pumped out after the porcelain oven hearth is closed, and then the nitrogen is injected, so that the nitrogen does not react with the porcelain tooth blank body, and the breakage of the porcelain tooth blank body in the porcelain oven process is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a schematic structural diagram of the present invention in a top view.

In the figure: 1. a base; 2. a porcelain hearth; 4. Caulking grooves; 5. a sliding plate; 6. a porcelain stage; 7. a cooling device; 8. a sliding device; 9. adjusting the lead screw; 10. adjusting the nut; 11. a stop block; 12. rotating the handle; 13. inserting the grid chamber; 14. a seal ring; 15. a gas protection device; 16. a vacuum pumping unit; 17. a nitrogen injection unit; 18. an air collection port; 19. a vacuum pump; 20. a pipeline; 21. a cooling section; 22. an air inlet pipe; 23. a nitrogen gas cylinder; 24. and (4) an air valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a porcelain sintering furnace disclosed by the present invention comprises a base 1, which is rectangular, a porcelain hearth 2 is hinged on one side thereof, the porcelain hearth 2 is hinged with a base plane by being turned up and down along a hinged edge, a resistance heating device (not shown in the figure) is arranged in the porcelain hearth 2, a caulking groove 4 is arranged on the base 1 along the length direction thereof, a sliding plate 5 is slidably connected in the caulking groove 4, two porcelain platforms 6 are arranged side by side on the sliding plate 5, the two porcelain platforms 6 are respectively arranged on two sides of the central axis of the porcelain hearth 2, a cooling device 7 is respectively arranged on two sides of the porcelain hearth 2 on the base 1, specifically, the cooling device 7 is a cooling fan, the sliding device 8 further comprises an adjusting screw 9 which is arranged on one side of the sliding plate 5 and is in reverse parallel with the length of the sliding plate 5, the adjusting screw 9 extends out from one side of the base 1, an adjusting nut 10 is rotatably connected with the adjusting screw 9 on the base, two stop blocks 11 are arranged on the adjusting screw rod 9, the stop blocks 11 are perpendicular to the adjusting screw rod 9, the distance between the two stop blocks 11 is equal to the distance between the two porcelain platforms 6, the adjusting nut 10 is arranged between the stop blocks 11, and the adjusting nut 10 is connected with a rotating handle 12 which is convenient for twisting the adjusting nut 10.

Therefore, when the porcelain teeth are manufactured, firstly, the porcelain teeth blank body is placed into one of the porcelain platforms 6, then the porcelain hearth 2 is closed for porcelain baking, after the porcelain baking is finished, the porcelain hearth 2 is opened, the sliding device 8 is used, the rotating handle 12 is rotated to link the adjusting nut 10, the adjusting screw 9 and the sliding plate 5 move outwards, when the stop block 11 is in lap joint with the adjusting nut 10, one of the porcelain platforms 6 is just far away from the porcelain hearth 2, the other porcelain platform 6 enters the position below the porcelain hearth 2, the adjusting screw 9 is used for driving the sliding plate 5 to move outwards, the adjusting precision is high, the operation is easy, and the porcelain teeth finished with the porcelain teeth and the porcelain platforms 6 are moved to one side of the cooling device 7 for cooling; simultaneously, a next porcelain tooth blank is placed on another porcelain platform 6 adjacent to the next porcelain tooth blank, then porcelain teeth are carved next, cooling of the porcelain platform 6 is not needed to wait, and quick cooling and continuous operation are realized through double-station setting.

Referring to fig. 3, a latticed inserting grid chamber 13 is arranged on the upper end face of the porcelain platform 6, the porcelain teeth and the support are inserted into the inserting grid chamber 13, the contact area between the porcelain tooth blank and the porcelain platform 6 is reduced, the porcelain tooth blank is heated more uniformly, and the defective rate is reduced.

Referring to fig. 2 and 3, in the process of manufacturing the porcelain tooth, the porcelain hearth 2 contains air, wherein the quality of the porcelain tooth is affected by the mixed water vapor, oxygen, sulfur dioxide and the like, therefore, the sliding plate 5 is provided with the sealing ring 14 along the periphery of the porcelain table 6, the porcelain hearth 2 is internally provided with the gas protection device 15 which comprises the vacuumizing unit 16 and the nitrogen injection unit 17, the vacuumizing unit 16 comprises a gas collection port 18 arranged on the porcelain hearth 2 and a vacuum pump 19 connected with the gas collection port 18 through a pipeline 20, the pipeline 20 is provided with a cooling section 21, and the pipeline 20 can suck scorching air to gradually cool after passing through the cooling section 21 when the porcelain operation is continuously performed, so as to avoid damaging the vacuum pump 19; the nitrogen injection unit 17 comprises an air inlet pipe 22 arranged on the inner side of the porcelain oven hearth 2 and a nitrogen gas bottle 23 connected with the air inlet pipe 22, and an air valve 24 is arranged on the air inlet pipe 22. Therefore, close above-mentioned porcelain oven 2, porcelain oven 2 is sealed with the 14 butt of sealing washer, opens evacuation unit 16, opens vacuum pump 19, takes out 2 inside air of porcelain oven through vacuum pump 19, opens pneumatic valve 24, lets in porcelain oven 2 with nitrogen gas, and nitrogen gas can not play the guard action with the reaction of porcelain tooth idiosome at porcelain tooth porcelain in-process.

Working process (principle): the utility model provides a porcelain sintering furnace, which comprises a base 1, a porcelain hearth 2 is hinged on the base 1, a sliding device 8 is arranged on the base 1, two porcelain platforms 6 are arranged on the sliding device 8, a connecting line between the porcelain platforms 6 is parallel to a hinged edge of the porcelain hearth 2, the porcelain platforms 6 are connected with the base 1 through the sliding device 8, a cooling device 7 is also arranged on the base 1, a gas protection device 15 is arranged on the porcelain hearth 2, when manufacturing porcelain teeth, the porcelain teeth are spliced and fixed with a splicing grid chamber 13 at the upper end of the porcelain platforms 6 together with a metal bracket, the porcelain hearth 2 is closed, the porcelain hearth 2 is sealed with a sealing ring 14 in a butt joint way, the gas protection device 15 is started, a vacuum pump 19 contained in a vacuumizing unit 16 is started, air in the porcelain hearth 2 is pumped out, an air valve 24 included in a nitrogen injection unit 17 is started, nitrogen is introduced into the porcelain hearth 2 from a nitrogen gas cylinder 23, starting a resistance heating device 3 in a porcelain oven hearth 2, opening the porcelain oven hearth 2 after porcelain baking is finished, using a sliding device 8, rotating a rotating handle 12 to link an adjusting nut 10, moving an adjusting screw 9 and a sliding plate 5 outwards, when a stopping block 11 is in lap joint with the adjusting nut 10, just keeping away one porcelain table 6 from the porcelain oven hearth 2, enabling the other porcelain table 6 to enter the lower part of the porcelain oven hearth 2, driving the sliding plate 5 to move towards the outer side by using the adjusting screw 9, having high adjusting precision and easy operation, and moving the porcelain teeth finished by porcelain baking and the porcelain table 6 to one side of a cooling device 7 for cooling; simultaneously, a next porcelain tooth blank is placed on another porcelain platform 6 adjacent to the next porcelain tooth blank, then porcelain teeth are carved next, cooling of the porcelain platform 6 is not needed to wait, and quick cooling and continuous operation are realized through double-station setting.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A porcelain sintering furnace, includes base (1), its characterized in that: in articulated have porcelain oven chamber (2) of vertical upset on base (1), base (1) is improved level and is equipped with slider (8), slider (8) up end is equipped with two porcelain platform (6) side by side, two connecting wire between porcelain platform (6) is on a parallel with the articulated limit of porcelain oven chamber (2), in be equipped with cooling device (7) on base (1), cooling device (7) are located stroke orbit one side of porcelain platform (6).

2. The porcelain sintering furnace of claim 1, wherein: the sliding device (8) comprises a sliding plate (5) connected to the bottom of the porcelain heating table (6), the two porcelain heating tables (6) are arranged on the sliding plate (5) side by side, the sliding plate (5) is connected with the base (1) in a sliding mode, a corresponding caulking groove (4) is formed in the base (1) and is connected with the sliding plate (5) in a sliding mode, the sliding device (8) further comprises an adjusting lead screw (9) which is arranged on one side of the sliding plate (5) and is parallel to the length direction of the sliding plate (5), the adjusting lead screw (9) extends out of one side of the base (1), and an adjusting nut (10) is connected to the base (1) in a rotating mode and is connected with the adjusting lead screw (9) in a rotating mode.

3. the porcelain sintering furnace according to claim 2, wherein: the adjusting nut (10) is connected with a rotating handle (12).

4. The porcelain sintering furnace according to claim 3, wherein: two stopping blocks (11) are symmetrically arranged on the adjusting screw rod (9), the distance between the stopping blocks (11) is equal to two, the distance between the porcelain platforms (6) is equal to two, and the adjusting nut (10) is located between the stopping blocks (11).

5. The porcelain sintering furnace according to claim 2, wherein: the ceramic furnace is characterized in that a sealing ring (14) is arranged on the sliding plate (5) along the periphery of the ceramic table (6), a gas protection device (15) is arranged in the ceramic furnace chamber (2), and the gas protection device (15) comprises a vacuumizing unit (16) and a nitrogen injection unit (17).

6. The porcelain sintering furnace of claim 5, wherein: the vacuumizing unit (16) comprises a gas collecting port (18) arranged on the porcelain oven hearth (2) and a vacuum pump (19) connected with the gas collecting port (18) through a pipeline (20), and a cooling section (21) is arranged on the pipeline (20).

7. The porcelain sintering furnace of claim 6, wherein: the nitrogen injection unit (17) comprises an air inlet pipe (22) arranged on the porcelain oven hearth (2) and a nitrogen gas bottle (23) connected with the air inlet pipe (22), and an air valve (24) is arranged on the air inlet pipe (22).

8. The porcelain sintering furnace of claim 1, wherein: the cooling device (7) comprises two cooling fans arranged on the base (1), and the cooling fans are arranged on one side of the displacement tracks of the two porcelain platforms (6).

9. The porcelain sintering furnace of claim 1, wherein: the upper end surface of the porcelain platform (6) is provided with a splicing grid chamber (13).