CN214484691U - Porcelain decorating and baking furnace with cooling function - Google Patents

Abstract

The application relates to a porcelain decorating and baking furnace with a cooling function, which comprises a base, a furnace body fixedly arranged on the base, a heating cavity arranged in the furnace body and used for processing a workpiece, a workbench fixed on the base and a lifting device for moving the workbench to be in sealing fit with the heating cavity, wherein a vacuum assembly is arranged in the furnace body and comprises a ventilation chamber, a plurality of air vents arranged on the side wall of the ventilation chamber, a vacuum tube communicated with the ventilation chamber and a pump piece connected with the vacuum tube; the vent hole is communicated with the heating cavity, a cooling assembly is arranged in the furnace body, the cooling assembly comprises an exhaust cavity, an exhaust hole communicated with the exhaust cavity and the heating cavity, a cooling pipe communicated with the ventilation chamber and a power element for providing cooling air for the cooling pipe, and the exhaust cavity is communicated with an exhaust pipe; an adjusting component for sealing or opening the vent hole and the exhaust hole is also arranged in the ventilation chamber. This application has the effect that cooling efficiency is high.

Description

Porcelain decorating and baking furnace with cooling function

Technical Field

The application relates to the technical field of false tooth processing equipment, in particular to a porcelain decorating and baking furnace with a cooling function.

Background

The porcelain oven is widely used in porcelain tooth manufacturing industry, and can provide proper heat treatment for false tooth processing, so that porcelain powder is attached to a metal matrix under a high-temperature condition for crystallization and solidification. Porcelain oven usually comprises base, furnace body and workstation etc. is provided with the elevating gear of control workstation on the base, is equipped with the heating cavity of porcelain and the heat source that provides heat in the furnace body. In the heat treatment process, the fixing process and the microstructure characteristics of the porcelain powder are greatly influenced by the temperature process of the porcelain oven, so the heat treatment performance of the porcelain oven is important for the quality of the porcelain teeth.

In order to solve the problems, a Chinese patent with the publication number of CN211233925U discloses a porcelain oven, which comprises a body, a control box, an oven box, a tray, a bearing platform, a lifting mechanism, a resistance wire, a clamping plate, a supporting plate, a through hole, a first rack, a first gear, a fan, a second rack, a third rack, a second gear, a third gear and a supporting frame, wherein the supporting frame is hinged with a fourth gear which is arranged through a shaft of the third gear, the top end of the supporting frame is fixedly connected with a guide cylinder which is horizontally arranged, the inside of the guide cylinder is connected with a fourth rack which is meshed with the fourth gear in a sliding mode along the length direction of the guide cylinder, the fourth rack is arranged towards the bearing platform, a processed product is pushed to move to the supporting plate through the fourth rack, and then the fan cools the product.

In view of the above-mentioned related art, the patentees state that the porcelain oven cools the product, but the oven box is not cooled, and the overall cooling efficiency is slow.

SUMMERY OF THE UTILITY MODEL

In order to improve the cooling efficiency to the product, this application provides a take cooling function's porcelain oven.

The application provides a take cooling function's porcelain oven adopts following technical scheme:

a porcelain decorating porcelain oven with a cooling function comprises a base, an oven body fixedly arranged on the base, a heating cavity arranged in the oven body and used for processing workpieces, a workbench fixed on the base and a lifting device which enables the workbench to move to be matched with the heating cavity in a sealing manner, wherein a vacuum assembly is arranged in the oven body and comprises a ventilation chamber, a plurality of vent holes formed in the side wall of the ventilation chamber, a vacuum tube communicated with the ventilation chamber and a pump piece connected with the vacuum tube; the ventilation hole is communicated with the heating cavity, a cooling assembly is arranged in the furnace body, the cooling assembly comprises an exhaust cavity, an exhaust hole communicated with the exhaust cavity and the heating cavity, a cooling pipe communicated with the ventilation chamber and a power element for providing cooling air for the cooling pipe, and the exhaust cavity is communicated with an exhaust pipe; the ventilation chamber is also internally provided with an adjusting component for sealing or opening the vent hole and the exhaust hole, and the exhaust pipe, the cooling pipe and the vacuum pipe are all provided with valves.

By adopting the technical scheme, when the porcelain teeth need to be processed, the porcelain teeth are placed on the workbench, and the workbench is lifted into the heating cavity by the lifting device and is in sealing fit with the heating cavity, so that the heat loss is reduced; then opening a valve on the vacuum tube, closing valves on the exhaust tube and the cooling tube, opening an exhaust hole and an air vent through an adjusting assembly, opening a pump element to pump air in the heating cavity and the exhaust cavity out through a ventilation chamber, closing the exhaust hole, the air vent and the valve on the vacuum tube after reaching a vacuum degree, and then heating the porcelain tooth, wherein the heating cavity and the exhaust cavity are both in a vacuum state, so that heat exchange with the outside is not easy to generate, and the quality of the processed porcelain tooth is better; after the processing is finished, slowly opening valves on the cooling pipe and the exhaust pipe, simultaneously opening the exhaust hole and the vent hole, starting the power element to convey cooling air to the heating cavity, and cooling the porcelain teeth and the heating cavity; and finally, the waste gas is discharged through the exhaust cavity and the exhaust pipe, so that the cooling effect is better.

Optionally, the adjusting assembly comprises a plurality of sealing plates rotatably connected to the side wall of the air exchange chamber and used for sealing the air vent, an insulation board rotatably connected to the side wall of the air exhaust chamber and used for sealing the air exhaust hole, and a driving piece for driving the sealing plates and the insulation board to rotate, wherein the sealing plates are in sliding fit with the side wall of the air exchange chamber, and the insulation board is in sliding fit with the side wall of the air exhaust chamber.

Through adopting above-mentioned technical scheme, driving piece drive closing plate and heated board rotate, and heated board and closing plate can be followed exhaust hole and air vent and slided, control then exhaust hole and air vent sealed with open convenient and fast.

Optionally, the vent holes are uniformly distributed on the circumference, the rotation axes of the sealing plate are located on the same circle, and the circle where the rotation axis of the sealing plate is located and the circle where the center of the vent hole is located are concentrically arranged.

Through adopting above-mentioned technical scheme, the air vent is the circumference and distributes and can disperse the cooling air that gets into in the heating chamber, makes the cooling homogeneity in heating chamber better.

Optionally, teeth are fixedly arranged at one end, away from the vent hole, of the sealing plate, a gear is rotatably connected to the side wall of the ventilation chamber, the gear is meshed with the sealing plate, and the driving piece is coaxially and fixedly connected with the gear.

Through adopting above-mentioned technical scheme, the driving piece drives gear revolve, and the gear drives the closing plate and rotates, and the rotation angle of control closing plate that gear engagement's transmission mode can be better adjusts the air volume of air vent.

Optionally, an output shaft of the driving member is coaxially and fixedly connected with a driving wheel, a side wall of the ventilation chamber is rotatably connected with a rotating shaft, one end of the rotating shaft is coaxially and fixedly connected with a driven wheel, the driven wheel is meshed with the driving wheel, one end of the rotating shaft, which deviates from the driven wheel, is coaxially connected with a rotating disc, and the rotating disc is connected with a connecting piece for driving the insulation board to rotate.

Through adopting above-mentioned technical scheme, driving piece drive action wheel rotates, and the action wheel drives from the driving wheel rotation, drives the axis of rotation then, and the connecting piece drives the heated board and rotates, and then the sealed of control exhaust hole with open.

Optionally, the connecting piece includes fixed column, the connecting rod that deviates from rolling disc one end rotation connection with the fixed column that fixed setting on the rolling disc, the connecting rod deviates from the one end of rolling disc and is connected with the heated board rotation.

Through adopting above-mentioned technical scheme, the axis of rotation drives the rolling disc and rotates, and the rolling disc drives the fixed column and rotates, and then drives the connecting rod and rotate, forms crank connecting rod structure between rolling disc, fixed column and the connecting rod, the rotation of control heated board.

Optionally, the driving wheel and the driven wheel are set as bevel gears.

Through adopting above-mentioned technical scheme, action wheel and follow driving wheel set up to bevel gear can change the output direction of driving piece, the rotation direction of adaptation heated board that makes it can be better.

Optionally, the insulation board and the sealing board are made of a fire-resistant insulation material.

Through adopting above-mentioned technical scheme, heated board and closing plate also carry out thermal-insulated heat preservation to the heating chamber when can playing sealed effect, reduce the heat in the heating chamber and scatter and disappear.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the vacuum assembly and the cooling assembly provide a vacuum environment and a rapid cooling effect for the heat treatment of the porcelain teeth, so that the quality of the porcelain teeth can be improved, and the heat treatment efficiency of the porcelain can be improved;

2. the rotation of the heat insulation plate and the sealing plate is controlled simultaneously through the adjusting assembly, so that the sealing and the opening of the exhaust hole and the vent hole are controlled, and the working procedure operation is more convenient and faster;

3. through the circumferential distribution of the plurality of air vents, the cooling medium flows and is uniformly dispersed, and the cooling effect on the heating cavity and the porcelain teeth can be improved.

Drawings

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

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

Description of reference numerals: 1. a base; 2. a furnace body; 3. a heating cavity; 4. a work table; 5. a vacuum assembly; 51. a ventilation chamber; 52. a vacuum tube; 53. a vent hole; 6. an adjustment assembly; 61. a sealing plate; 62. a drive member; 63. a gear; 64. a driving wheel; 65. a driven wheel; 66. a rotating shaft; 67. rotating the disc; 68. a thermal insulation board; 7. a cooling assembly; 71. an exhaust chamber; 72. an exhaust hole; 73. a cooling tube; 74. an exhaust pipe; 8. a connecting member; 81. fixing a column; 82. a connecting rod; 9. and (4) a valve.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a porcelain decorating and baking furnace with a cooling function. Referring to fig. 1 and 2, the porcelain decorating porcelain oven with the cooling function comprises a base 1 and an oven body 2 fixed on the base 1, wherein the oven body 2 is made of a fire-resistant heat-insulating material, and the oven body 2 is of a cuboid structure and is vertically arranged. Heating chamber 3 has been seted up to furnace body 2 inside, and heating chamber 3 is cylindrical cavity, and the vertical setting of axis and the bottom and external intercommunication of heating chamber 3. An electric heating element is embedded on the inner wall of the heating cavity 3 and provides a heat source for the heating cavity 3. The base 1 is provided with a workbench 4 for placing porcelain teeth, and the workbench 4 is of a liftable type. After the workbench 4 ascends into the heating cavity 3, the top surface of the workbench 4 is in plug-in fit with the end wall of the heating cavity 3 facing the base 1 and is arranged in a sealing manner. In order to heat a workpiece under a vacuum condition, the furnace body 2 is provided with a vacuum assembly 5, the vacuum assembly 5 comprises a ventilation chamber 51 arranged above the heating cavity 3 and a vacuum tube 52 communicated with the ventilation chamber 51, the vacuum tube 52 extends out of the furnace body 2 and is connected with a pump, the bottom wall of the ventilation chamber 51 is provided with a plurality of ventilation holes 53 communicated with the heating cavity 3, in order to improve the ventilation efficiency, the ventilation holes 53 are circumferentially distributed at even intervals, and the axes of the ventilation holes 53 are positioned on the same circle. When the heating device is used, a negative pressure environment is formed in the ventilating chamber 51 by the pump piece, air in the heating cavity 3 enters the ventilating chamber 51 through the vent hole 53 and is then pumped out through the vacuum tube 52, and then a high-vacuum heating environment is formed in the heating cavity 3, so that the quality of the prepared porcelain tooth is good.

After the heating chamber 3 is vacuumized by the vacuum assembly 5, the porcelain teeth need to be heated in the heating chamber 3 for a long time, and heat in the heating chamber 3 is easily dissipated from the vent holes 53 during heating, referring to fig. 1 and 2, in order to solve the above problem, the ventilation chamber 51 is provided with the adjusting assembly 6, the adjusting assembly 6 comprises a plurality of sealing plates 61, one ends of the sealing plates 61 are hinged on the bottom wall of the ventilation chamber 51, and the rotation axes of the sealing plates 61 are perpendicular to the bottom wall of the ventilation chamber 51. The other end of the sealing plate 61 is disposed on the vent hole 53, and the sealing plate 61 is slidably fitted to the bottom wall of the scavenging chamber 51. The sealing plate 61 can rotate around a hinge point, so that the ventilation hole 53 can be sealed or opened, and in order to reduce heat loss, the sealing plate 61 is made of a fireproof heat-insulating material. In addition, the plurality of seal plates 61 are fitted to the plurality of vent holes 53 one by one, and hinge points of the plurality of seal plates 61 are located on the circumference of the same circle. In order to adjust all the sealing plates 61 simultaneously, teeth are formed on the side wall of one end, close to the hinge point, of each sealing plate 61, a gear 63 is rotatably connected to the center of the bottom wall of the ventilation chamber 51, the axis of the gear 63 is perpendicular to the bottom wall of the ventilation chamber 51, and the gear 63 and the sealing plates 61 are arranged in a meshed mode. A driving member 62 for driving the gear 63 to rotate is further fixed on the top wall of the scavenging chamber 51, in this embodiment, the driving member 62 is a servo motor, and the output shaft of the driving member 62 is coaxially and fixedly connected with the gear 63. In use, the driving member 62 drives the gear 63 to rotate, and the gear 63 drives the sealing plate 61 to rotate, thereby controlling the closing and opening of the vent hole 53.

The porcelain teeth are usually processed under the condition of high temperature of thousands of degrees, the efficiency is slower by adopting a natural cooling mode after the processing is finished, referring to fig. 1 and fig. 3, in order to solve the above problems, a cooling assembly 7 is arranged on the furnace body 2, the cooling assembly 7 comprises a cooling pipe 73 and a power element for providing cooling air for the cooling pipe 73, the cooling pipe 73 is communicated with the top wall of the ventilation chamber 51, the power element in the embodiment is a fan, and the fan conveys the cooling air into the ventilation chamber 51 and the heating cavity 51. In order to discharge hot air and balance air pressure, the furnace body 2 is provided with an exhaust cavity 71 on the outer side of the heating cavity 3, the moving direction of the exhaust cavity 71 is consistent with the axis of the heating cavity 3, and the section of the exhaust cavity 71 along the moving direction is rectangular and annular. An exhaust hole 72 is formed in the side wall of one end, away from the ventilation chamber 51, of the heating chamber 3, the exhaust hole 72 is communicated with the exhaust cavity 71, and an exhaust pipe 74 communicated with the outside is communicated with the top wall of the exhaust cavity 71. After the power element row discharges cooling air into the scavenging chamber 51, the cooling air enters the heating cavity 3 through the air vent 53 to cool down the porcelain teeth, then the waste gas enters the exhaust cavity 71 through the exhaust hole 72 and is finally discharged through the exhaust pipe 74, the cooling efficiency is high, the porcelain teeth do not need to be moved, and the cooling device is convenient and fast.

In order to solve the above problem, referring to fig. 2 and 3, the side wall of the exhaust cavity 71 close to the exhaust hole 72 is provided with an insulation board 68, and the insulation board 68 is a rectangular board and made of a fire-resistant insulation material. The edge of the heat insulation plate 68 is hinged with the side wall of the exhaust cavity 71, the heat insulation plate 68 is covered on the opening of the exhaust hole 72, and the heat insulation plate 68 is in sliding fit with the side wall of the exhaust cavity 71. In order to make the rotation of the heat-insulating plate 68 coincide with the rotation of the sealing plate 61, a rotation shaft 66 is rotatably connected to a side wall of the ventilation chamber 51, and the rotation shaft 66 is perpendicular to the side wall of the ventilation chamber 51. Two ends of the rotating shaft 66 extend into the ventilation chamber 51 and the exhaust cavity 71 respectively, a driven wheel 65 is coaxially fixed at one end of the rotating shaft 66 extending into the ventilation chamber 51, a driving wheel 64 is coaxially fixed on an output shaft of the driving piece 62, and the driving wheel 64 and the driven wheel 65 are both bevel gears 63 and are meshed. A rotating disc 67 is coaxially fixed at one end of the rotating shaft 66 extending into the exhaust cavity 71, and a connecting piece 8 is arranged on the rotating disc 67. The connecting piece 8 comprises a fixing column 81, the fixing column 81 is welded and fixed at the edge close to the circumference of the rotating disc 67, and the fixing column 81 is perpendicular to the side wall of the rotating disc 67. The end of the fixed column 81 departing from the rotating disc 67 is hinged with a connecting rod 82, and the end of the connecting rod 82 departing from the fixed column 81 is hinged with the heat insulation plate 68.

Referring to fig. 1, in order to prevent the gas circulation paths of the vacuum module 5 and the cooling module 7 from colliding with each other, the valves 9 are installed on the vacuum pipe 52, the cooling pipe 73, and the exhaust pipe 74, and the gas circulation path in the heating chamber 3 is controlled by adjusting the different valves 9, so that the cooling efficiency is high.

The implementation principle of the porcelain oven with the cooling function is as follows: the ceramic tooth to be processed is placed on the workbench 4, then the workbench 4 is lifted to be in sealing fit with the end wall of the heating cavity 3, the driving piece 62 is opened to open the vent hole 53, the insulation board 68 is driven to open the vent hole 72, the valve 9 on the vent pipe 74 is closed at the moment, then the pump piece is opened to vacuumize the heating cavity 3 and the exhaust cavity 71, then the driving piece 62 is opened to drive the sealing plate 61 to seal the vent hole 53, then the ceramic tooth is heated, and as the heating cavity 3 and the exhaust cavity 71 are in a vacuum state, heat exchange with the outside can be reduced, and the processing efficiency is better; after the porcelain teeth are processed, the driving piece 62 drives the sealing plate 61 and the heat insulation plate 68 to be opened, then the valve 9 on the cooling pipe 73 and the exhaust pipe 74 is slowly opened, the valve 9 on the vacuum pipe 52 is closed, the power element is opened to convey cooling air into the heating cavity 3 to cool the porcelain teeth, and then exhaust gas is exhausted through the exhaust cavity 71 and the exhaust pipe 74, so that the cooling efficiency is good.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a take cooling function's porcelain decorating porcelain stove, includes base (1), fixed furnace body (2) that set up on base (1), set up heating chamber (3) that are used for processing porcelain tooth in furnace body (2), fix workstation (4) on base (1) and make workstation (4) move to with heating chamber (3) sealing complex elevating gear, its characterized in that: a vacuum component (5) is arranged in the furnace body (2), and the vacuum component (5) comprises a ventilation chamber (51), a plurality of vent holes (53) formed in the side wall of the ventilation chamber (51), a vacuum tube (52) communicated with the ventilation chamber (51) and a pump piece connected with the vacuum tube (52); the vent hole (53) is communicated with the heating cavity (3), a cooling assembly (7) is arranged in the furnace body (2), the cooling assembly (7) comprises an exhaust cavity (71), an exhaust hole (72) communicated with the exhaust cavity (71) and the heating cavity (3), a cooling pipe (73) communicated with the ventilation chamber (51) and a power element for providing cooling air for the cooling pipe (73), and an exhaust pipe (74) is communicated with the exhaust cavity (71); and an adjusting assembly (6) for sealing or opening the vent hole (53) and the exhaust hole (72) is further arranged in the air exchange chamber (51), and valves (9) are arranged on the exhaust pipe (74), the cooling pipe (73) and the vacuum pipe (52).

2. The porcelain-decorated porcelain oven with a cooling function according to claim 1, characterized in that: the adjusting assembly (6) comprises a plurality of sealing plates (61) which are rotatably connected to the side wall of the air exchanging chamber (51) and used for sealing the vent holes (53), a heat insulation plate (68) which is rotatably connected to the side wall of the air exhausting chamber (71) and used for sealing the air exhausting holes (72) and a driving piece (62) for driving the sealing plates (61) and the heat insulation plate (68) to rotate, wherein the sealing plates (61) are in sliding fit with the side wall of the air exchanging chamber (51), and the heat insulation plate (68) is in sliding fit with the side wall of the air exhausting chamber (71).

3. The porcelain-decorated porcelain oven with a cooling function according to claim 2, characterized in that: the ventilation holes (53) are uniformly distributed on the circumference, the rotation axes of the sealing plates (61) are positioned on the same circle, and the circle of the rotation axis of the sealing plate (61) and the circle of the circle center of the ventilation holes (53) are concentrically arranged.

4. The porcelain-decorated porcelain oven with a cooling function according to claim 2, characterized in that: the sealing plate (61) deviates from one end of the vent hole (53) and is fixedly provided with teeth, a gear (63) is rotatably connected to the side wall of the air exchange chamber (51), the gear (63) is meshed with the sealing plate (61), and the driving piece (62) is coaxially and fixedly connected with the gear (63).

5. The porcelain-decorated porcelain oven with a cooling function according to claim 2, characterized in that: the heat insulation plate ventilation device is characterized in that a driving wheel (64) is coaxially and fixedly connected to an output shaft of the driving piece (62), a rotating shaft (66) is rotatably connected to the side wall of the ventilation chamber (51), a driven wheel (65) is coaxially and fixedly connected to one end of the rotating shaft (66), the driven wheel (65) is meshed with the driving wheel (64), a rotating disc (67) is coaxially connected to one end, deviating from the driven wheel (65), of the rotating shaft (66), and a connecting piece (8) used for driving the heat insulation plate (68) to rotate is connected to the rotating disc (67).

6. The porcelain-decorated porcelain oven with a cooling function according to claim 5, wherein: connecting piece (8) deviate from rotating disc (67) one end including fixed column (81), the connecting rod (82) of being connected with fixed column (81) on rotating disc (67) rotation, connecting rod (82) deviate from the one end of rotating disc (67) and are connected with heated board (68) rotation.

7. The porcelain-decorated porcelain oven with a cooling function according to claim 5, wherein: the driving wheel (64) and the driven wheel (65) are arranged into a bevel gear (63).

8. The porcelain-decorated porcelain oven with a cooling function according to claim 2, characterized in that: the heat insulation plate (68) and the sealing plate (61) are made of fire-resistant heat insulation materials.

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