A high-temperature sintering furnace for zirconium dioxide all-ceramic teeth with a crucible fixing mechanism

Abstract

The present invention discloses a high-temperature sintering furnace for all-ceramic teeth of zirconium dioxide with a crucible fixing mechanism, and belongs to the technical field of high-temperature sintering furnaces. A high-temperature sintering furnace for all-ceramic teeth of zirconium dioxide with a crucible fixing mechanism comprises a sintering furnace body, a high-temperature sintering bin is provided on the top of the sintering furnace body, and heating grooves are provided around the inner wall of the high-temperature sintering bin, and electric heating tubes are screwed inside the heating grooves, and a furnace door is provided outside the high-temperature sintering bin, and a heat insulation frame is screwed in the center of the furnace door, and an electric telescopic rod is screwed inside the heat insulation frame, and the telescopic end of the electric telescopic rod passes through the heat insulation frame and is welded with a fixing frame, and a first gear is installed in the center of the bottom of the inner wall of the fixing frame through a bearing, and a support is welded on the top of the first gear. The present invention effectively solves the problem that the existing design lacks a fixed support structure for the crucible, which is not conducive to sufficient heating of the crucible and affects the heating effect of the items in the crucible.

Description

Technical Field

[0001] The invention relates to the technical field of high-temperature sintering furnaces, in particular to a zirconium dioxide all-ceramic tooth high-temperature sintering furnace with a crucible fixing mechanism. Background Art

[0002] A sintering furnace refers to a special equipment that allows powder compacts to obtain the desired physical, mechanical properties and microstructure through sintering. A crucible is a cup-shaped vessel used in laboratories to heat solids at high temperatures. In the production process of zirconium dioxide all-ceramic teeth, it needs to be placed in a crucible and the crucible is placed in a sintering furnace for heating.

[0003] After searching, the prior art (Announcement No.: CN117628879A) is an integrated ultra-fast high-temperature sintering furnace, which proposes "including an integrated chamber, a heating device, an intake and exhaust system, a power supply, and a controller; an integrated chamber, the integrated chamber includes a power supply end and a vacuum end, the vacuum end includes a vacuum cavity and an electrical cavity, and the power supply end, vacuum cavity, and electrical cavity frame in the integrated chamber are connected; preferably, the integrated chamber is an integral frame structure, with a shell on the outside to form three different chamber spaces, which provide their own functions, wherein the power supply end is used to accommodate the power supply device, the vacuum cavity is used to accommodate the main part of the heating device, and the electrical cavity is used to accommodate other circuit equipment and gas pipelines, and the three The chamber space is internally connected with circuits and gas circuits according to the needs of the sintering furnace, which cannot be excluded. The three chambers can form different connection methods according to requirements, or be interspersed according to design requirements or have no obvious boundaries between the areas. The invention adopts the Joule heating method. According to the heating characteristics, the structure of the sintering furnace is optimized, and the air circulation structure is removed. At the same time, due to the application of the Joule heating structure, the sintering furnace has high heating efficiency and fast heating speed, and can reach a very high heating temperature in a short time; the present invention adopts an integrated structure, integrating the power supply, graphite electrode, heating element, temperature control, vacuum system and human-computer interaction interface, and has the characteristics of fast sample placement, replacement of heating element, dynamic control and display.

[0004] However, the prior art lacks a fixed support structure for the crucible, which is not conducive to sufficient heating of the crucible and will affect the heating effect of the items in the crucible. Therefore, it is necessary to design a zirconium dioxide all-ceramic tooth high-temperature sintering furnace with a crucible fixing mechanism. Summary of the invention

[0005] The purpose of the present invention is to solve the problem that the existing design lacks a fixed support structure for the crucible, which is not conducive to sufficient heating of the crucible and affects the heating effect of the items in the crucible.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A zirconium dioxide all-ceramic tooth high-temperature sintering furnace with a crucible fixing mechanism comprises a sintering furnace body, a high-temperature sintering chamber is provided on the top of the sintering furnace body, and heating grooves are provided around the inner wall of the high-temperature sintering chamber, and electric heating pipes are screwed inside the heating grooves, a furnace door is provided outside the high-temperature sintering chamber, and a heat insulation frame is screwed in the center of the furnace door, an electric telescopic rod is screwed inside the heat insulation frame, and the telescopic end of the electric telescopic rod passes through the heat insulation frame and is welded with a fixing frame, a first gear is installed at the center of the bottom of the inner wall of the fixing frame through a bearing, and a support is welded on the top of the first gear, clamps are provided inside both sides of the support, and a plurality of rollers are equidistantly installed on the inner wall of the clamp, The outer walls of both sides of the fixing frame are both threadedly installed with screws, and one end of the screws is connected to the outer wall of the clamping plate through a bearing, a slide groove is provided at the bottom of the inner wall of the heat insulation frame, and a motor is slidably installed inside the slide groove, a spring is welded at one end of the slide groove, and the other end of the spring is screwed and fixed to the motor, a second gear is fixed to the output end of the motor, and a first notch is provided on the outer wall of the heat insulation frame, a second notch is provided on the outer wall of the fixing frame, a transmission belt is sleeved on the second gear, and the other end of the transmission belt passes through the first notch and the second notch and is sleeved on the first gear, a heat absorption component is provided at the bottom of the heat insulation frame, and a processing bin is provided at the bottom of the sintering furnace body.

[0008] Preferably, the heat absorption assembly includes a heat absorption frame, an air suction machine, a connecting pipe and an air supply pipe. A connecting pipe is welded to the bottom of the insulation frame, and one end of the top of the connecting pipe is connected to the interior of the insulation frame. A heat absorption frame is screwed to the bottom of the high-temperature sintering bin, and the top of the heat absorption frame and the top of the connecting pipe are in the same plane. An air suction machine is placed inside the processing bin, and an air supply pipe is fixed to the input end of the air suction machine, and the other end of the air supply pipe is connected to the bottom of the heat absorption frame by plugging.

[0009] Preferably, an exhaust pipe is plugged into the output end of the vacuum machine, a filter cartridge is screwed into the interior of the processing chamber, and the other end of the exhaust pipe is plugged and installed on the top of the filter cartridge, a partition is welded inside the filter cartridge, and one side of the partition is filled with activated carbon.

[0010] Preferably, a water tank is placed inside the processing chamber, an air duct is screwed on the outer wall of the filter cartridge, and the other end of the air duct is plugged and installed on the bottom of the water tank, the air duct is located on the other side of the partition, air outlet pipes are welded on both side outer walls of the water tank, air outlets are opened on both side outer walls of the processing chamber, and the other end of the air outlet pipe extends into the air outlet, and the other end of the air outlet pipe is sleeved with a filter cover.

[0011] Preferably, a controller is screwed onto the outer wall of the heat insulation frame, and an operation panel is screwed onto the outer wall of one side of the sintering furnace body.

[0012] Preferably, a driving groove is provided on one side of the high-temperature sintering bin, and a guide plate is inserted into the driving groove, one end of the guide plate is welded and fixed to the furnace door, a tooth groove is provided on the outer wall of the guide plate, and a third gear is meshed inside the tooth groove, a motor is screwed on the other side of the sintering furnace body, and the output end of the motor passes through the sintering furnace body and is welded and fixed to the third gear.

[0013] Preferably, a plurality of rollers are equidistantly provided at the bottom of the guide plate, and the bottoms of the rollers are in contact with the bottom of the inner wall of the driving groove.

[0014] Preferably, a plurality of through openings are equidistantly provided on the bottom end surface of the fixing frame, guide grooves are provided on the outside of the high-temperature sintering chamber, guide rods are screwed on all sides of the furnace door, and the other ends of the guide rods are inserted and installed in the guide grooves, and a chamber door is hinged on one side of the processing chamber.

[0015] Compared with the prior art, the present invention provides a zirconium dioxide all-ceramic tooth high-temperature sintering furnace with a crucible fixing mechanism, which has the following beneficial effects:

[0016] 1. The present invention places the crucible in a fixed frame, and the screw rod is rotated to push the clamping plate to fit the crucible. When the furnace door is closed, the fixed frame can be pushed to move toward the inside of the high-temperature sintering bin by the electric telescopic rod, and the zirconium dioxide all-ceramic teeth in the crucible can be heated by the electric heating tube. When the electric telescopic rod pushes the fixed frame, the motor can be moved in the slide groove under the traction of the transmission belt, and the second gear can be driven to rotate by the motor. The transmission belt can be used to drive the first gear to drive the support to rotate synchronously. When the support rotates, the crucible will rotate, which is beneficial to uniform heating of the crucible. The friction between the clamping plate and the crucible can be reduced by the roller to avoid affecting the rotation of the crucible. The heat in the heat insulation frame can be absorbed by the heat absorption component. When the furnace door is opened, the heat absorption component can also absorb the high temperature dissipated in the high-temperature sintering bin to avoid scalding of the staff caused by the gushing of hot air.

[0017] 2. The suction machine and the air pipe can be used to generate suction at the heat absorption frame. When the furnace door is closed, the bottom of the connecting pipe will fit with the top of the heat absorption frame, and negative pressure will be generated in the connecting pipe, which can absorb the heat in the insulation frame. When the furnace door is opened, the heat absorption frame can absorb the high temperature emitted from the high-temperature sintering bin. The suction machine can use the exhaust pipe to transport the high-temperature gas to the filter cylinder, and use activated carbon to filter it to remove odorous gases. The filtered gas can be transported to the water tank for cooling through the air guide pipe. The cooled gas can be discharged to the outlet through the outlet pipe, and the debris in the gas can be filtered using the filter cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is an overall isometric view of a zirconium dioxide all-ceramic tooth high-temperature sintering furnace with a crucible fixing mechanism proposed by the present invention;

[0019] Figure 2 This is a schematic diagram of the overall structure of a high-temperature sintering furnace for zirconium dioxide all-ceramic teeth with a crucible fixing mechanism proposed by the present invention;

[0020] Figure 3 This is an overall cross-sectional view of a zirconium dioxide all-ceramic tooth high-temperature sintering furnace with a crucible fixing mechanism proposed by the present invention;

[0021] Figure 4 for Figure 3 A magnified view of the structure;

[0022] Figure 5 This is a schematic diagram of the bottom structure of a high-temperature sintering furnace for zirconium dioxide all-ceramic teeth with a crucible fixing mechanism proposed by the present invention;

[0023] Figure 6 This is a cross-sectional view of a driving groove of a zirconium dioxide all-ceramic tooth high-temperature sintering furnace with a crucible fixing mechanism proposed by the present invention.

[0024] Description of the figure numbers: 1. Sintering furnace body; 2. High-temperature sintering chamber; 3. Heating tank; 4. Electric heating tube; 5. Furnace door; 6. Insulation frame; 7. Electric telescopic rod; 8. Fixed frame; 9. First gear; 10. Support platform; 11. Clamp; 12. Roller; 13. Screw; 14. Slide; 15. Motor; 16. Spring; 17. Second gear; 18. First notch; 19. Second notch; 20. Driving belt; 21. Heat absorption component; 211. Heat absorption frame; 212. Air suction machine; 213. connecting pipe; 214. gas transmission pipe; 22. controller; 23. operation panel; 24. processing chamber; 25. exhaust pipe; 26. filter cartridge; 27. partition; 28. activated carbon; 29. ​​water tank; 30. air guide pipe; 31. air outlet pipe; 32. air outlet; 33. filter cover; 34. driving groove; 35. guide plate; 36. tooth groove; 37. third gear; 38. motor; 39. roller; 40. through port; 41. guide groove; 42. guide rod; 43. chamber door. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] Example 1: Please refer to Figure 1-6A zirconium dioxide all-ceramic tooth high-temperature sintering furnace with a crucible fixing mechanism comprises a sintering furnace body 1, a high-temperature sintering chamber 2 is provided on the top of the sintering furnace body 1, and heating grooves 3 are provided around the inner wall of the high-temperature sintering chamber 2, and electric heating tubes 4 are screwed inside the heating grooves 3, and a furnace door 5 is provided outside the high-temperature sintering chamber 2, and a heat insulation frame 6 is screwed in the center of the furnace door 5, and an electric telescopic rod 7 is screwed inside the heat insulation frame 6, and the telescopic end of the electric telescopic rod 7 passes through the heat insulation frame 6 and is welded with a fixing frame 8, a first gear 9 is installed at the center of the bottom of the inner wall of the fixing frame 8 through a bearing, and a support 10 is welded on the top of the first gear 9, and a clamping plate 11 is provided inside both sides of the support 10, and a plurality of rollers are equidistantly installed on the inner wall of the clamping plate 11 The shaft 12 and the outer walls of both sides of the fixing frame 8 are both threadedly installed with screws 13, and one end of the screw 13 is connected to the outer wall of the clamping plate 11 through a bearing. A slide groove 14 is provided at the bottom of the inner wall of the heat insulation frame 6, and a motor 15 is slidably installed inside the slide groove 14. A spring 16 is welded at one end of the slide groove 14, and the other end of the spring 16 is screwed and fixed to the motor 15. A second gear 17 is fixed to the output end of the motor 15, and a first notch 18 is provided on the outer wall of the heat insulation frame 6, and a second notch 19 is provided on the outer wall of the fixing frame 8. A transmission belt 20 is sleeved on the second gear 17, and the other end of the transmission belt 20 passes through the first notch 18 and the second notch 19 and is sleeved on the first gear 9. The bottom of the heat insulation frame 6 is provided with a heat absorbing The bottom of the sintering furnace body 1 is provided with a processing chamber 24, the heat absorption component 21 includes a heat absorption frame 211, an air suction machine 212, a connecting pipe 213 and a gas delivery pipe 214, the bottom of the heat insulation frame 6 is welded with a connecting pipe 213, and one end of the top of the connecting pipe 213 is connected to the inside of the heat insulation frame 6, the bottom of the high-temperature sintering chamber 2 is screwed with a heat absorption frame 211, and the top of the heat absorption frame 211 and the top of the connecting pipe 213 are in the same plane, the inside of the processing chamber 24 is provided with an air suction machine 212, and the input end of the air suction machine 212 is fixed with a gas delivery pipe 214, and the other end of the gas delivery pipe 214 is plugged and connected with the bottom of the heat absorption frame 211, and the air suction machine 212 and the gas delivery pipe 214 can be used to generate an absorption at the heat absorption frame 211. force, when the furnace door 5 is closed, the bottom of the connecting pipe 213 will fit with the top of the heat absorption frame 211, and a negative pressure will be generated in the connecting pipe 213, so that the heat in the insulation frame 6 can be absorbed. When the furnace door 5 is opened, the heat absorption frame 211 can absorb the high temperature emitted from the high-temperature sintering bin 2. The output end of the air suction machine 212 is plugged with an exhaust pipe 25, and the inside of the processing bin 24 is screwed with a filter cartridge 26, and the other end of the exhaust pipe 25 is plugged and installed on the top of the filter cartridge 26. The inside of the filter cartridge 26 is welded with a partition 27, and one side of the partition 27 is filled with activated carbon 28. The air suction machine 212 can use the exhaust pipe 25 to transport the high-temperature gas to the filter cartridge 26, and use the activated carbon 28 to filter, so as to remove the odor gas;

[0027] By placing the crucible in the fixed frame 8, the screw 13 can be rotated to push the clamping plate 11 to fit the crucible. When the furnace door 5 is closed, the fixed frame 8 can be pushed to move toward the inside of the high-temperature sintering chamber 2 by the electric telescopic rod 7. The zirconium dioxide all-ceramic teeth in the crucible can be heated by the electric heating tube 4. When the electric telescopic rod 7 pushes the fixed frame 8, the motor 15 can be moved in the slide 14 under the traction of the transmission belt 20. The second gear 17 can be driven to rotate by the motor 15. The transmission belt 20 can be used to drive the first gear 9 to drive the support 10 to rotate synchronously. When the support 10 rotates, the crucible will rotate, which is conducive to uniform heating of the crucible. The roller 12 can reduce the clamping The friction between the plate 11 and the crucible can avoid affecting the rotation of the crucible. The spring 16 can be used to pull the motor 15 to reset when the electric telescopic rod 7 is contracted. The suction machine 212 and the gas pipe 214 can generate suction at the heat absorption frame 211. When the furnace door 5 is closed, the bottom of the connecting pipe 213 will fit with the top of the heat absorption frame 211, and a negative pressure will be generated in the connecting pipe 213, so that the heat in the insulation frame 6 can be absorbed. When the furnace door 5 is opened, the heat absorption frame 211 can absorb the high temperature dissipated from the high-temperature sintering bin 2. The suction machine 212 can use the exhaust pipe 25 to transport the high-temperature gas to the filter cartridge 26, and use the activated carbon 28 to filter it to remove the odor gas.

[0028] Example 2: Please refer to Figure 1-6, which is different from the first embodiment in that a water tank 29 is placed inside the processing chamber 24, an air guide tube 30 is screwed to the outer wall of the filter cartridge 26, and the other end of the air guide tube 30 is plugged and installed at the bottom of the water tank 29, the air guide tube 30 is located on the other side of the partition 27, and both sides of the outer wall of the water tank 29 are welded with an air outlet pipe 31, and both sides of the outer wall of the processing chamber 24 are provided with an air outlet 32, and the other end of the air outlet pipe 31 extends into the air outlet 32, and the other end of the air outlet pipe 31 is sleeved with a filter cover 33, and the air passing through the air guide tube 30 can be The filtered gas is transported to the water tank 29 for cooling, and the cooled gas can be discharged to the gas outlet 32 ​​through the gas outlet pipe 31. The impurities in the gas can be filtered by the filter cover 33. The outer wall of the heat insulation frame 6 is screwed with a controller 22, and the outer wall of one side of the sintering furnace body 1 is screwed with an operation panel 23. The controller 22 is used to control the electric telescopic rod 7, and the operation panel 23 is used to control the remaining components of the sintering furnace body 1. A driving groove 34 is opened on one side of the high-temperature sintering bin 2, and a guide plate 35 is inserted in the inner part of the driving groove 34. The guide plate 35 is inserted in the inner part of the driving groove 34. One end of the guide plate 35 is welded and fixed to the furnace door 5, a tooth groove 36 is provided on the outer wall of the guide plate 35, and a third gear 37 is meshed inside the tooth groove 36, a motor 38 is screwed on the other side of the sintering furnace body 1, and the output end of the motor 38 passes through the sintering furnace body 1 and is welded and fixed to the third gear 37, the third gear 37 is driven by the motor 38 to rotate in the driving groove 34, the position of the furnace door 5 can be adjusted by the guide plate 35, a plurality of rollers 39 are equidistantly provided at the bottom of the guide plate 35, and the bottom of the roller 39 is in contact with the bottom of the inner wall of the driving groove 34, The roller 39 can reduce friction and make the guide plate 35 smoother when moving. A plurality of through holes 40 are evenly spaced on the bottom end surface of the fixing frame 8. Guide grooves 41 are provided around the outside of the high-temperature sintering chamber 2. Guide rods 42 are screwed around the furnace door 5, and the other end of the guide rod 42 is inserted and installed in the guide groove 41. A chamber door 43 is hinged on one side of the processing chamber 24. Heat can pass through the fixing frame 8 through the through hole 40, so that the bottom of the crucible is evenly heated. The moving track of the furnace door 5 can be limited by the guide groove 41 and the guide rod 42.

[0029] The filtered gas can be transported to the water tank 29 for cooling through the air guide pipe 30, and the cooled gas can be discharged to the outlet 32 ​​through the air outlet pipe 31. The impurities in the gas can be filtered by the filter cover 33. The third gear 37 is driven by the motor 38 to rotate in the driving groove 34. The position of the furnace door 5 can be adjusted by the guide plate 35. The roller 39 can reduce friction when the guide plate 35 moves, making it smoother. The heat can pass through the fixing frame 8 through the through hole 40, so that the bottom of the crucible is evenly heated. The moving trajectory of the furnace door 5 can be limited by the guide groove 41 and the guide rod 42.

[0030] In the present invention, the sintering furnace body 1, the electric heating tube 4, the electric telescopic rod 7, and the air suction machine 212 used are all existing mature technologies, so they are not described in detail. When in use, the crucible with zirconium dioxide all-ceramic teeth is placed in the fixed frame 8, and the screw 13 is rotated to push the clamping plate 11 to fit the crucible. When the furnace door 5 is closed, the electric telescopic rod 7 can push the fixed frame 8 to move to the inside of the high-temperature sintering chamber 2, and the electric heating tube 4 can be used to heat the zirconium dioxide all-ceramic teeth in the crucible. When the electric telescopic rod 7 pushes the fixed frame 8, the transmission Under the traction of the belt 20, the motor 15 can move in the slide 14, and the second gear 17 can be driven to rotate by the motor 15. The transmission belt 20 can be used to drive the first gear 9 to drive the support 10 to rotate synchronously. When the support 10 rotates, the crucible will rotate, which is beneficial to the uniform heating of the crucible. The roller 12 can reduce the friction between the clamping plate 11 and the crucible to avoid affecting the rotation of the crucible. When the electric telescopic rod 7 is retracted, the motor 15 can be pulled to reset by the spring 16. The suction machine 212 and the air pipe 21 4 can generate suction at the heat absorbing frame 211. When the furnace door 5 is closed, the bottom of the connecting pipe 213 will fit with the top of the heat absorbing frame 211, and a negative pressure will be generated in the connecting pipe 213, so that the heat in the heat insulation frame 6 can be absorbed. When the furnace door 5 is opened, the heat absorbing frame 211 can absorb the high temperature emitted from the high-temperature sintering chamber 2. The air suction machine 212 can use the exhaust pipe 25 to transport the high-temperature gas to the filter cartridge 26, and use the activated carbon 28 to filter it, so as to remove the odorous gas. The filtered gas can be transported to the water through the air guide pipe 30. The temperature in the box 29 is lowered, and the gas after the temperature is lowered can be discharged to the gas outlet 32 ​​through the gas outlet pipe 31. The impurities in the gas can be filtered by the filter cover 33. The third gear 37 is driven by the motor 38 to rotate in the driving groove 34. The position of the furnace door 5 can be adjusted by the guide plate 35. The roller 39 can reduce friction when the guide plate 35 moves, making it smoother. The heat can pass through the fixing frame 8 through the through hole 40, so that the bottom of the crucible is evenly heated. The moving trajectory of the furnace door 5 can be limited by the guide groove 41 and the guide rod 42.

[0031] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of this template.

[0032] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present invention. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A high-temperature sintering furnace for zirconium dioxide all-ceramic teeth with a crucible fixing mechanism, comprising a sintering furnace body (1), characterized in that: A high-temperature sintering chamber (2) is provided on the top of the sintering furnace body (1), and heating grooves (3) are provided around the inner wall of the high-temperature sintering chamber (2), and electric heating tubes (4) are screwed inside the heating grooves (3). A furnace door (5) is provided outside the high-temperature sintering chamber (2), and a heat insulation frame (6) is screwed in the center of the furnace door (5), and an electric telescopic rod (7) is screwed in the interior of the heat insulation frame (6), and the telescopic end of the electric telescopic rod (7) passes through the heat insulation frame (6) and is welded to a fixing frame (8), a first gear (9) is installed at the center of the bottom of the inner wall of the fixing frame (8) through a bearing, and a support platform (10) is welded to the top of the first gear (9), and clamping plates (11) are provided inside both sides of the support platform (10), and a plurality of rollers (12) are equidistantly installed on the inner wall of the clamping plates (11), and screws (13) are installed on the outer walls of both sides of the fixing frame (8) through threads, and the screws (13) are installed on the outer walls of the fixing frame (8) through threads. One end of the (13) is connected to the outer wall of the clamping plate (11) through a bearing, a slide groove (14) is provided at the bottom of the inner wall of the heat insulation frame (6), and a motor (15) is slidably installed inside the slide groove (14), a spring (16) is welded to one end of the slide groove (14), and the other end of the spring (16) is screwed and fixed to the motor (15), a second gear (17) is fixed to the output end of the motor (15), and a first notch (18) is provided on the outer wall of the heat insulation frame (6), and a second notch (19) is provided on the outer wall of the fixing frame (8), a transmission belt (20) is sleeved on the second gear (17), and the other end of the transmission belt (20) passes through the first notch (18) and the second notch (19) and is sleeved on the first gear (9), a heat absorption component (21) is provided at the bottom of the heat insulation frame (6), and a processing chamber (24) is provided at the bottom of the sintering furnace body (1); The heat absorption component (21) comprises a heat absorption frame (211), an air suction machine (212), a connecting pipe (213) and an air supply pipe (214); the bottom of the heat insulation frame (6) is welded with a connecting pipe (213), and one end of the top of the connecting pipe (213) is connected to the inside of the heat insulation frame (6); the bottom of the high-temperature sintering chamber (2) is screwed with a heat absorption frame (211), and the top of the heat absorption frame (211) and the top of the connecting pipe (213) are on the same plane; the inside of the processing chamber (24) is provided with an air suction machine (212), and the input end of the air suction machine (212) is fixed with an air supply pipe (214), and the other end of the air supply pipe (214) is plugged and connected to the bottom of the heat absorption frame (211).

2. A zirconium dioxide all-ceramic tooth high temperature sintering furnace with a crucible fixing mechanism according to claim 1, characterized in that: An exhaust pipe (25) is plugged into the output end of the air suction machine (212), a filter cartridge (26) is screwed into the interior of the processing chamber (24), and the other end of the exhaust pipe (25) is plugged and installed on the top of the filter cartridge (26), a partition (27) is welded inside the filter cartridge (26), and one side of the partition (27) is filled with activated carbon (28).

3. The high-temperature sintering furnace for zirconium dioxide all-ceramic teeth with a crucible fixing mechanism according to claim 2, characterized in that: A water tank (29) is placed inside the processing chamber (24); an air guide tube (30) is screwed onto the outer wall of the filter cartridge (26); the other end of the air guide tube (30) is plugged and installed on the bottom of the water tank (29); the air guide tube (30) is located on the other side of the partition (27); air outlet pipes (31) are welded onto the outer walls on both sides of the water tank (29); air outlets (32) are opened onto the outer walls on both sides of the processing chamber (24); the other end of the air outlet pipe (31) extends into the air outlet (32); and the other end of the air outlet pipe (31) is sleeved with a filter cover (33).

4. The high-temperature sintering furnace for zirconium dioxide all-ceramic teeth with a crucible fixing mechanism according to claim 1, characterized in that: A controller (22) is screwed onto the outer wall of the heat insulation frame (6), and an operation panel (23) is screwed onto the outer wall of one side of the sintering furnace body (1).

5. The high-temperature sintering furnace for zirconium dioxide all-ceramic teeth with a crucible fixing mechanism according to claim 1, characterized in that: A driving groove (34) is provided on one side of the high-temperature sintering bin (2), and a guide plate (35) is inserted into the driving groove (34), one end of the guide plate (35) is welded and fixed to the furnace door (5), a tooth groove (36) is provided on the outer wall of the guide plate (35), and a third gear (37) is meshed inside the tooth groove (36), and a motor (38) is screwed to the other side of the sintering furnace body (1), and the output end of the motor (38) passes through the sintering furnace body (1) and is welded and fixed to the third gear (37).

6. The high-temperature sintering furnace for zirconium dioxide all-ceramic teeth with a crucible fixing mechanism according to claim 5, characterized in that: A plurality of rollers (39) are equidistantly arranged at the bottom of the guide plate (35), and the bottom of the rollers (39) fits in contact with the bottom of the inner wall of the driving groove (34).

7. The high-temperature sintering furnace for zirconium dioxide all-ceramic teeth with a crucible fixing mechanism according to claim 1, characterized in that: The bottom end surface of the fixing frame (8) is provided with a plurality of openings (40) at equal intervals, the outside of the high-temperature sintering chamber (2) is provided with guide grooves (41) on all sides, the furnace door (5) is screwed with guide rods (42) on all sides, and the other end of the guide rod (42) is inserted and installed in the guide groove (41), and a chamber door (43) is hinged on one side of the processing chamber (24).

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