CN217236395U

CN217236395U - Surrounding type multilayer ceramic firing device for silver porcelain

Info

Publication number: CN217236395U
Application number: CN202220291684.5U
Authority: CN
Inventors: 杨儒林; 杨修平; 徐国桥; 徐世伟
Original assignee: Hebei Yinci Tiancheng Culture Communication Co ltd
Current assignee: Hebei Yinci Tiancheng Culture Communication Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-08-19
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a silver porcelain fires device with multilayer pottery of surrounding type, including frame, furnace body, bell and circulating water cooling mechanism, install elevating system in the frame, furnace body center department installs heating device, and fixed mounting has the support inlet tube and supports the wet return on the bell, and the bell below is equipped with the frame of firing that the multilayer was arranged, fires the frame and supports the inlet tube and support wet return fixed connection, supports the inlet tube and supports wet return and lower extreme and connecting pipe intercommunication, upper end and circulating water cooling mechanism intercommunication. The multilayer ceramic can be placed on the firing frame arranged in multiple layers, the space in the furnace body can be fully utilized by the multilayer surrounding structure, the heating device is arranged at the center of the furnace body, and the heat loss can be reduced by adopting the middle heating layout; the circulating water cooling mechanism can improve the cooling rate, thereby improving the production efficiency; the lifting mechanism can drive the firing frame to lift to the height convenient for human body contact operation, so that porcelain placement is facilitated, working efficiency is improved, and safety of the porcelain is guaranteed.

Description

Surrounding type multilayer ceramic firing device for silver porcelain

Technical Field

The utility model relates to a ceramic sintering equipment technical field, especially a silver porcelain fires device with surrounding type multilayer pottery.

Background

The silver porcelain is a porcelain produced by combining ceramics and silver, and can be prepared by three modes of silver coating, silver plating and silver plating. The silver plating technology is characterized in that silver paste is brushed on the surface of fired ceramic, and then the ceramic is sent into a high-temperature sintering furnace to be sintered to prepare silver ceramic. The silver porcelain prepared by the silver plating process has exquisite appearance, is beneficial to health, does not have adverse effect on human bodies, and is popular among mass consumers.

The manufacture of the gilded silver porcelain needs sintering equipment for firing, the existing sintering equipment is mostly of a single-layer furnace structure, the structure is not reasonable enough, and a large amount of waste is caused to the space in the furnace; in addition, the process of putting the porcelain into and taking the porcelain out of the sintering removing equipment is inconvenient; the sintering process needs a long time for cooling after the sintering is finished, the time consumption is long, the production period is long, and the yield is low.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a wraparound multilayer ceramic firing apparatus for silver ceramics.

In order to achieve the purpose, the utility model provides a surrounding type multilayer ceramic firing device for silver porcelain, which comprises a frame, a furnace body and a furnace cover for covering the furnace body, wherein the furnace body is fixed on the frame, a lifting mechanism is arranged on the frame, and the lifting mechanism drives the furnace cover to lift; a heating device is arranged at the center of the furnace body; the furnace cover is fixedly provided with a support water inlet pipe and a support water return pipe, a firing frame arranged in multiple layers is arranged below the furnace cover, the firing frame is fixedly connected with the support water inlet pipe and the support water return pipe, and the bottoms of the support water inlet pipe and the support water return pipe are communicated through a connecting pipe; the water-cooling circulation device further comprises a water-cooling circulation mechanism, and the water-cooling circulation mechanism is communicated with the support water inlet pipe and the support water return pipe.

As a preferred scheme of the utility model, the circulating water cooling mechanism includes a cooling water tank, a submersible pump, a first three-way solenoid valve, a second three-way solenoid valve, a third three-way solenoid valve, the cooling water tank is installed on the furnace cover, the submersible pump is installed in the cooling water tank, an input end of the submersible pump is connected with an output end of the first three-way solenoid valve, one input end of the first three-way solenoid valve is connected with a first circulating water pumping pipe, the other input end of the first three-way solenoid valve is connected with a first branch water return pipe, the other end of the first branch water return pipe is connected with one output end of the second three-way solenoid valve, the other output end of the second three-way solenoid valve is connected with a second branch water return pipe, an input end of the second three-way solenoid valve is connected with a first circulating water return pipe, and the other end of the first circulating water return pipe is connected with a supporting water return pipe; the immersible pump output is connected with the input of third three-way solenoid valve, and one of them input of third three-way solenoid valve is connected with the emptying inlet tube, and another input of third three-way solenoid valve is connected with the delivery pipe, and the delivery pipe other end with support advance water piping connection, install the intake pipe rather than the intercommunication on the delivery pipe, install the solenoid valve that admits air in the intake pipe.

As the utility model discloses an optimal scheme, cooling water tank top one side is equipped with the filler, and cooling water tank bottom one side is equipped with the outlet, and the outlet connection has the drain pipe, installs the drain valve on the drain pipe.

As the utility model discloses a preferred scheme, first circulation return water pipe is connected with the support wet return through first thermal-insulated pipe box, and the water supply pipe advances water piping connection with the support through the thermal-insulated pipe box of second.

As the preferred proposal of the utility model, the center of the firing rack is provided with an opening matched with the heating device.

As the utility model discloses a preferred scheme, elevating system includes lead screw lift and driving motor, and lead screw lift and driving motor all install at the frame top, and the driving motor output is connected with the lead screw lift input, and lead screw lift's lift end is connected with coolant tank.

As the utility model discloses an optimal scheme, all install the leading wheel on the bell both sides wall, be fixed with the spout track of vertical setting in the frame, spout track and leading wheel one-to-one, leading wheel and spout track roll connection.

As a preferred proposal of the utility model, an exhaust port is arranged on the furnace cover.

As the preferred scheme of the utility model, install the temperature sensor who is used for detecting furnace body inner chamber temperature on the bell.

Compared with the prior art, the technical scheme has the following beneficial effects:

1. the multilayer firing rack can be used for placing multilayer chinaware for sintering, the multilayer surrounding structure can fully utilize the space inside the furnace body, the heating device is arranged at the center of the furnace body, and the middle heating layout is adopted, so that the heat loss can be reduced;

2. the supporting water inlet pipe and the supporting water return pipe can be used as supporting carriers for mounting the firing frame and can be matched with the circulating water cooling mechanism, so that the cooling rate is increased, and the production efficiency is improved;

3. through driving motor drive lead screw lift work, drive the bell, fire the frame and go up and down, the frame all can go up and down to the height of the human contact operation of being convenient for of firing of each layer, can easily place the porcelain, and the operation of being convenient for provides work efficiency, guarantees the safety of porcelain.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is another state diagram of FIG. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 1;

in the figure, 1, a frame; 2. a furnace body; 3. a furnace cover; 4. a heating device; 5. supporting the water inlet pipe; 6. a supporting water return pipe; 7. firing the frame; 8. a connecting pipe; 9. a cooling water tank; 10. a submersible pump; 11. a first three-way solenoid valve; 12. a second three-way solenoid valve; 13. a third three-way solenoid valve; 14. a first circulation water pumping pipe; 15. a first branch return pipe; 16. a second branch return pipe; 17. a first circulating water return pipe; 18. emptying the water inlet pipe; 19. a water supply pipe; 20. an air inlet pipe; 21. an air inlet solenoid valve; 22. a water filling port; 23. a water outlet; 24. a drain pipe; 25. a drain valve; 26. a first heat insulating pipe sleeve; 27. a second heat insulating pipe sleeve; 28. a screw rod lifter; 29. a drive motor; 30. a guide wheel; 31. a chute track; 32. an exhaust port; 33. a temperature sensor.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 3, in an embodiment of the present invention, a surrounding type multi-layer ceramic firing apparatus for silver ceramics is provided, including a frame 1, a furnace body 2 and a furnace cover 3 for covering the furnace body 2, wherein the furnace body 2 is fixed on the frame 1, a lifting mechanism is installed on the frame 1, and the lifting mechanism drives the furnace cover 3 to lift; a heating device 4 is arranged at the center of the furnace body 2; a supporting water inlet pipe 5 and a supporting water return pipe 6 are fixedly arranged on the furnace cover 3, a sintering frame 7 which is arranged in a multi-layer mode is arranged below the furnace cover 3, the sintering frame 7 is fixedly connected with the supporting water inlet pipe 5 and the supporting water return pipe 6, the bottoms of the supporting water inlet pipe 5 and the supporting water return pipe 6 are communicated through a connecting pipe 8, the connecting pipe 8 is an annular pipe and can bypass the central area of the sintering frame 7 and cannot be in contact with the heating device 4; the water circulating and cooling device further comprises a water circulating and cooling mechanism, and the water circulating and cooling mechanism is communicated with the supporting water inlet pipe 5 and the supporting water return pipe 6. Multilayer porcelain can be placed to the frame 7 of firing of multilayer arrangement, sinters, and multilayer surrounds the space that the structure can make full use of 2 insides of furnace body, and heating device 4 arranges 2 center departments in the furnace body in, adopts middle heating overall arrangement, also can reduce thermal scattering and disappearing. Support inlet tube 5 and support wet return 6 and can regard as the support carrier of installing firing frame 7, can cooperate with circulating water cooling mechanism again, improve cooling rate to improve production efficiency.

As a preferable scheme of this embodiment, the circulating water cooling mechanism includes a cooling water tank 9, a submersible pump 10, a first three-way electromagnetic valve 11, a second three-way electromagnetic valve 12, and a third three-way electromagnetic valve 13, the cooling water tank 9 is installed on the furnace cover 3, the bottom of the cooling water tank 9 is a heat insulation seat, which can be connected with the furnace cover 3 and can be heat-insulated with the furnace cover 3, the submersible pump 10 is installed in the cooling water tank 9, an input end of the submersible pump 10 is connected with an output end of the first three-way electromagnetic valve 11, one input end of the first three-way electromagnetic valve 11 is connected with a first circulating water suction pipe 14, the other input end of the first three-way electromagnetic valve 11 is connected with a first branch water return pipe 15, the other end of the first branch water return pipe 15 is connected with one output end of the second three-way electromagnetic valve 12, the other output end of the second three-way electromagnetic valve 12 is connected with a second branch water return pipe 16, the input end of the second three-way electromagnetic valve 12 is connected with a first circulating water return pipe 17, the other end of the first circulating water return pipe 17 is connected with the supporting water return pipe 6; the output end of the submersible pump 10 is connected with the input end of the third three-way electromagnetic valve 13, one input end of the third three-way electromagnetic valve 13 is connected with an emptying water inlet pipe 18, the other input end of the third three-way electromagnetic valve 13 is connected with a water supply pipe 19, the other end of the water supply pipe 19 is connected with the support water inlet pipe 5, an air inlet pipe 20 communicated with the water supply pipe 19 is installed on the water supply pipe 19, and an air inlet electromagnetic valve 21 is installed on the air inlet pipe 20.

Specifically, when the sintering is finished and the temperature needs to be reduced, the submersible pump 10 is started, the first three-way electromagnetic valve 11, the second three-way electromagnetic valve 12 and the third three-way electromagnetic valve 13 run in a matched mode, the submersible pump 10 is communicated with the water supply pipe 19 and the first circulating water pumping pipe 14, the submersible pump 10 pumps cooling water at the bottom of the cooling water tank 9 through the first circulating water pumping pipe 14, the cooling water is pumped into the water supply pipe 19, the support water inlet pipe 5, the connecting pipe 8, the support water return pipe 6, the first circulating water return pipe 17 and the second branch water return pipe 16 in sequence, and the second branch water return pipe 16 returns the cooling water after heat exchange to the cooling water tank 9 to achieve circulating cooling; after the cooling, need to support inlet tube 5, connecting pipe 8, it is empty to support the cooling water in the wet return 6, avoid the cooling water to influence porcelain sintering heating, first three way solenoid valve 11, second three way solenoid valve 12 and the change of third three way solenoid valve 13 are opened a way, intake solenoid valve 21 opens, make immersible pump 10 intercommunication empty inlet tube 18 and first branch wet return 15, first circulation wet return 17, delivery pipe 19 passes through intake pipe 20 and atmosphere intercommunication, immersible pump 10 work makes first branch wet return 15, first circulation wet return 17, support wet return 6, connecting pipe 8, support inlet tube 5, produce the negative pressure, return 6 is supported in the suction, connecting pipe 8, support the remaining cooling water in inlet tube 5, empty the pump in proper order with the cooling water and go into inlet tube 18, empty inlet tube 18 is with the leading-in cooling water tank 9 of cooling water.

As a preferable scheme of this embodiment, in order to supplement cooling water to the cooling water tank 9, a water filling port 22 is provided on one side of the top of the cooling water tank 9, and cooling water can be added to the cooling water tank 9 through the water filling port 22, so as to avoid insufficient cooling water; a water outlet 23 is arranged at one side of the bottom of the cooling water tank 9, the water outlet 23 is connected with a water outlet pipe 24, a drain valve 25 is arranged on the water outlet pipe 24, when the cooling water needs to be replaced, the drain valve 25 can be opened, and the cooling water in the cooling water tank 9 is discharged through the water outlet 23 and the water outlet pipe 24.

In order to avoid the heat conduction from the support water return pipe 6 to the first circulation water return pipe 17 and from the support water inlet pipe 5 to the water supply pipe 19 during the sintering, the first circulation water return pipe 17 is preferably connected to the support water return pipe 6 through a first heat insulation pipe sleeve 26, and the water supply pipe 19 is preferably connected to the support water inlet pipe 5 through a second heat insulation pipe sleeve 27. The first heat insulation pipe sleeve 26 and the second heat insulation pipe sleeve 27 can be communicated and can also insulate heat, and the first heat insulation pipe sleeve 26 and the second heat insulation pipe sleeve 27 are made of ceramic materials.

In a preferred embodiment of the present invention, in order to avoid the contact between the burning rack 7 and the heating device 4, and to facilitate the lifting of the burning rack 7 relative to the heating device 4, the heating device 4 is provided in a cylindrical shape, the heating device 4 is an electric heater or a gas heater, and an opening matched with the heating device 4 is provided at the center of the burning rack 7.

As a preferable scheme of the embodiment, in order to realize the lifting of the furnace cover 3, the lifting mechanism comprises a screw rod lifter 28 and a driving motor 29, the screw rod lifter 28 and the driving motor 29 are both arranged at the top of the frame 1, the output end of the driving motor 29 is connected with the input end of the screw rod lifter 28, and the lifting end of the screw rod lifter 28 is connected with the cooling water tank 9. The driving motor 29 adopts a stepping motor, so that the furnace cover 3 can be controlled to accurately lift.

As the preferred scheme of this embodiment, in order to realize that bell 3 steadily goes up and down, all install leading wheel 30 on bell 3 both sides wall, the leading wheel 30 of every side all sets up two, is fixed with the spout track 31 of vertical setting on the frame 1, spout track 31 and leading wheel 30 one-to-one, leading wheel 30 and spout track 31 roll connection. When the furnace cover 3 goes up and down, the guide wheel 30 rolls in the chute track 31, so that the position of the furnace cover 3 can be limited, the furnace cover 3 is prevented from shaking, and the porcelain on the firing frame 7 can go up and down stably.

In the preferred embodiment of the present invention, the furnace lid 3 is provided with an exhaust port 32 for facilitating the exhaust of the gas generated by sintering in the furnace body 2. During sintering, the gas extraction end of the flue gas purification device is arranged at the gas outlet 32, and sintering gas can be pumped in for purification.

In a preferred embodiment of the present invention, a temperature sensor 33 for detecting the temperature of the inner cavity of the furnace body 2 is installed on the furnace cover 3 to facilitate the acquisition of the temperature in the furnace body 2.

The working principle of the embodiment is as follows: the driving motor 29 drives the screw rod lifter 28 to work, drives the cooling water tank 9 and the furnace cover 3 to ascend, enables the firing rack 7 at the lowest layer to ascend to the upper part of the furnace body 2, can place porcelain on the firing rack 7 at the lowest layer at the moment, then controls the driving motor 29 to operate, and the screw rod lifter 28 drives the cooling water tank 9 and the furnace cover 3 to descend, enables the firing rack 7 at the penultimate layer to descend to the height which is convenient for human body to contact, and then places porcelain for convenient operation; therefore, until the porcelain is placed on the firing frames 7 of all layers, the space of the furnace body 2 is fully utilized; finally, the driving motor 29 is controlled to operate, the screw rod lifter 28 drives the cooling water tank 9 and the furnace cover 3 to descend, the furnace cover 3 is sealed to cover the furnace body 2, sintering operation is carried out, and the heating device 4 works and heats;

after sintering, starting a circulating water cooling mechanism for rapid cooling; after cooling, the driving motor 29 is started again, the screw rod lifter 28 drives the cooling water tank 9 and the furnace cover 3 to ascend, and the fired porcelain can be taken out.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

Claims

1. A surrounding type multilayer ceramic firing device for silver ceramics comprises a rack, a furnace body and a furnace cover for covering the furnace body, wherein the furnace body is fixed on the rack; a heating device is arranged at the center of the furnace body; the furnace cover is fixedly provided with a support water inlet pipe and a support water return pipe, a firing frame arranged in multiple layers is arranged below the furnace cover, the firing frame is fixedly connected with the support water inlet pipe and the support water return pipe, and the bottoms of the support water inlet pipe and the support water return pipe are communicated through a connecting pipe; the water-cooling circulation device further comprises a water-cooling circulation mechanism, and the water-cooling circulation mechanism is communicated with the support water inlet pipe and the support water return pipe.

2. The wraparound multilayer ceramic firing apparatus for silver porcelain according to claim 1, the circulating water cooling mechanism comprises a cooling water tank, a submersible pump, a first three-way electromagnetic valve, a second three-way electromagnetic valve and a third three-way electromagnetic valve, the cooling water tank is arranged on the furnace cover, the submersible pump is arranged in the cooling water tank, the input end of the submersible pump is connected with the output end of the first three-way electromagnetic valve, one input end of the first three-way electromagnetic valve is connected with a first circulating water pumping pipe, the other input end of the first three-way electromagnetic valve is connected with a first branch water return pipe, the other end of the first branch water return pipe is connected with one output end of the second three-way electromagnetic valve, the other output end of the second three-way electromagnetic valve is connected with a second branch water return pipe, the input end of the second three-way electromagnetic valve is connected with a first circulating water return pipe, and the other end of the first circulating water return pipe is connected with a supporting water return pipe; the immersible pump output is connected with the input of third three-way solenoid valve, and one of them input of third three-way solenoid valve is connected with the emptying inlet tube, and another input of third three-way solenoid valve is connected with the delivery pipe, and the delivery pipe other end with support advance water piping connection, install the intake pipe rather than the intercommunication on the delivery pipe, install the solenoid valve that admits air in the intake pipe.

3. The wraparound multilayer ceramic firing apparatus for silver ceramics according to claim 2, wherein a water filling port is provided on one side of the top of the cooling water tank, a water discharge port is provided on one side of the bottom of the cooling water tank, the water discharge port is connected to a water discharge pipe, and a water discharge valve is installed on the water discharge pipe.

4. The wraparound multilayer ceramic firing apparatus for silver porcelain according to claim 2, wherein the first circulation return water pipe is connected to the support return water pipe through a first heat insulation pipe sleeve, and the water supply pipe is connected to the support water inlet pipe through a second heat insulation pipe sleeve.

5. The wraparound multilayer ceramic firing apparatus for silver porcelain according to claim 1, wherein an opening for fitting a heating means is provided at the center of the firing rack.

6. The surround type multi-layer ceramic firing device for silver porcelain according to claim 1, wherein the elevating mechanism comprises a screw rod elevator and a driving motor, the screw rod elevator and the driving motor are both mounted on the top of the frame, the output end of the driving motor is connected with the input end of the screw rod elevator, and the elevating end of the screw rod elevator is connected with the cooling water tank.

7. The surround type multi-layer ceramic firing device for silver ceramics according to claim 1, wherein guide wheels are mounted on both side walls of the furnace cover, vertically arranged chute rails are fixed on the frame, the chute rails correspond to the guide wheels one by one, and the guide wheels are in rolling connection with the chute rails.

8. The wraparound multilayer ceramic firing apparatus for silver porcelain according to claim 1, wherein an exhaust port is provided on the furnace cover.

9. The wraparound multilayer ceramic firing apparatus for silver porcelain according to claim 1, wherein a temperature sensor for detecting the temperature of the inner cavity of the furnace body is mounted on the furnace lid.