Ceramic kiln

Abstract

The utility model provides a pottery kiln, relates to pottery manufacturing equipment technical field, the pottery kiln comprises a kiln, a heating device and a rotary lifting device, a heating cavity and a mounting cavity are arranged in the kiln, the heating device comprises a heating wire, the heating wire is embedded in the cavity wall of the heating cavity, the rotary lifting device is arranged in the mounting cavity, and the rotary lifting device is arranged in the mounting cavity. The rotary lifting device comprises a supporting plate and a driving mechanism, the supporting plate is arranged in the heating cavity, the driving mechanism is arranged in the mounting cavity, the output end of the driving mechanism is connected with the supporting plate, the driving mechanism can drive the supporting plate to ascend and descend, and the driving mechanism can drive the supporting plate to rotate; the heating wire is of an embedded structure, raw materials can be effectively prevented from being adhered to the heating wire, the heating effect is guaranteed, the service life is prolonged, in the firing process, the driving mechanism periodically drives the greenware to rotate and periodically drive the greenware to ascend and descend, the greenware is heated more evenly, and therefore the quality of a ceramic product is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of pottery making equipment, in particular to a pottery kiln. Background Art

[0002] At present, electric kilns are mostly used for the production of ceramic products. Traditional electric kilns use electric furnace wires, silicon carbon rods or molybdenum disilicide as heating elements, relying on the principles of electrical radiation and thermal conductivity to heat ceramic products. However, the heating elements such as electric furnace wires in traditional electric kilns are usually exposed to the outside, which may adhere to the raw materials during actual use. In addition, when using existing electric kilns to heat ceramic products with uneven shapes, uniform heating is often not achieved, which will cause cracks in the ceramic products and affect their quality. Utility Model Content

[0003] The purpose of the utility model is to provide a pottery kiln to solve the above-mentioned technical problems existing in the prior art; the preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects; see the following description for details.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a pottery kiln, comprising a kiln, a heating device and a rotating lifting device, wherein: a heating chamber and a mounting chamber are arranged in the kiln, the heating device comprises a heating wire, and the heating wire is embedded in the cavity wall of the heating chamber, the rotating lifting device comprises a support plate and a driving mechanism, the support plate is arranged in the heating chamber, the driving mechanism is arranged in the mounting chamber, the output end of the driving mechanism is connected to the support plate, the driving mechanism can drive the support plate to rise and fall, and the driving mechanism can drive the support plate to rotate.

[0006] Preferably, the cavity wall of the heating cavity is provided with an embedding groove adapted to the heating wire, and the depth of the embedding groove is not less than the diameter of the heating wire.

[0007] Preferably, the heating wire is arranged in a spiral shape.

[0008] Preferably, the heating wire is arranged in a ring shape, the number of the heating wires is set to be multiple, and all the heating wires are evenly arranged in sequence along the vertical direction; the cavity wall of the heating cavity is provided with the embedding groove at the position corresponding to the heating wire.

[0009] Preferably, the kiln comprises a furnace body and a furnace cover, wherein: the top of the furnace body is provided with an opening, the bottom of the furnace body is provided with moving wheels; and the furnace cover is a flip cover provided on the opening.

[0010] Preferably, the furnace wall of the furnace body is provided with an outer shell, a heat insulation layer and a refractory layer in sequence from the outside to the inside.

[0011] Preferably, the driving mechanism includes a rotating lifting shaft assembly and a first power assembly, wherein: the rotating lifting shaft assembly is vertically arranged, the top end of the rotating lifting shaft assembly is fixedly connected to the support plate, the bottom end of the rotating lifting shaft assembly is connected to the first power assembly and can rotate under the drive of the first power assembly, and the first power assembly is arranged in the installation cavity.

[0012] Preferably, the rotary lifting shaft assembly comprises a guide shaft and a lifting shaft, wherein: the guide shaft is connected to the first power assembly; the lifting shaft is sleeved on the guide shaft and rotates synchronously with the guide shaft.

[0013] Preferably, the lifting shaft is axially slidably matched with the guide shaft, and the driving mechanism includes a second power component, wherein: the second power component is arranged in the installation cavity, and the output end of the second power component is connected to a transmission gear, and the axis of the transmission gear is perpendicular to the axis of the rotating lifting shaft component; the lifting shaft is evenly provided with a plurality of lifting teeth along the axial direction, and the lifting teeth are meshed with the transmission gear, and the second power component can drive the transmission gear to rotate so that the lifting shaft can be lifted and lowered relative to the guide shaft.

[0014] Preferably, the ceramic kiln comprises a control device, and the heating device and the rotating lifting device are both electrically connected to the control device.

[0015] The ceramic kiln provided by the utility model has at least the following beneficial effects:

[0016] The ceramic kiln comprises a kiln, a heating device and a rotary lifting device. A heating cavity and an installation cavity are arranged in the kiln. The kiln is used for installing the heating device and the rotary lifting device on the one hand, and provides space for firing ceramic products on the other hand.

[0017] The heating device comprises a heating wire, and the heating wire is embedded in the cavity wall of the heating cavity, adopting an embedded structure to avoid excessive exposure of the heating wire. On the basis of ensuring the heating effect, it can effectively reduce the raw material sticking to the heating wire and ensure the service life of the equipment.

[0018] The rotating lifting device includes a support plate and a driving mechanism. The support plate is arranged in the heating chamber, and the driving mechanism is arranged in the installation chamber. The driving mechanism is connected to the support plate. During the firing process of ceramic products, the driving mechanism can drive the support plate to rotate independently and periodically, and can also drive the support plate to lift and lower independently and periodically. The rotation and lifting are performed alternately, so that the ceramic products can be heated evenly, thereby ensuring the quality.

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model in an open cover state;

[0021] Figure 2 It is an enlarged view of the A part of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the utility model in a closed state;

[0023] Figure 4 It is a schematic diagram of the furnace wall structure of the utility model;

[0024] Figure 5 It is a structural schematic diagram of the rotary lifting device of the utility model;

[0025] Figure 6 It is a front view schematic diagram of the rotary lifting device of the utility model.

[0026] Reference numerals

[0027] 1. Kiln; 11. Furnace cover; 111. Embedding groove; 112. Shell; 113. Heat insulation layer; 114. Refractory layer; 12. Furnace body; 2. Heating device; 21. Heating wire; 3. Rotating lifting device; 31. Support plate; 32. Driving mechanism; 321. First power assembly; 322. Rotating lifting shaft assembly; 3221. Guide shaft; 3222. Lifting shaft; 3223. Lifting teeth; 323. Transmission gear; 324. Second power assembly; 4. Control device. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0029] The utility model provides a pottery kiln, such as Figures 1 to 6 As shown, the pottery kiln includes a kiln 1, a heating device 2 and a rotating lifting device 3.

[0030] The kiln 1 is provided with mutually independent heating chambers and installation chambers in sequence from top to bottom.

[0031] The heating device 2 is an electric heating device, which includes a heating wire 21. The heating wire 21 is embedded in the cavity wall of the heating cavity. The heating wire 21 adopts an embedded structure, which can effectively avoid the heating wire from being adhered to the raw material, ensure the heating effect, and extend the service life.

[0032] The rotating lifting device 3 includes a support plate 31 and a driving mechanism 32. The support plate 31 is arranged in the heating chamber, and its diameter is adapted to the heating chamber, and is used to lift the ceramic blank. The driving mechanism 32 is arranged in the installation chamber, and the output end of the driving mechanism 32 is connected to the support plate 31. The driving mechanism 32 can provide two powers, namely, rotation power and lifting power.

[0033] When firing ceramics, the ceramic blank is placed on the support plate 31, and then the heating device 2 is started, and the heating wire 21 begins to fire the ceramics. During the firing process, the driving mechanism 32 periodically drives the ceramic blank to rotate and periodically drives the ceramic blank to rise and fall. The rotation action and the lifting action are performed alternately periodically, thereby making the ceramic blank heated more evenly, thereby effectively ensuring the quality of the fired ceramic products.

[0034] As an optional embodiment, the cavity wall of the heating cavity is provided with an embedding groove 111 adapted to the heating wire 21, and the depth of the embedding groove 111 is not less than the diameter of the heating wire 21, which can effectively prevent the heating wire 21 from being exposed to the outside, and has a significant anti-adhesion effect, thereby effectively ensuring the service life of the device.

[0035] Optionally, the heating wire 21 is configured to be spiral.

[0036] Alternatively, the heating wire 21 is arranged in a ring shape, the number of the heating wires 21 is arranged in a plurality, and all the heating wires 21 are arranged uniformly in sequence along the vertical direction; an embedding groove 111 is arranged on the cavity wall of the heating cavity corresponding to the position of the heating wire 21 .

[0037] The spiral heating wire 21 or multiple annular heating wires 21 can heat the ceramic blank from its circumference, and the heating effect is significant.

[0038] As an optional implementation, the kiln 1 includes a furnace body 12 and a furnace cover 11 .

[0039] The top of the furnace body 12 is provided with an opening, and the bottom of the furnace body 12 is provided with moving wheels, so that the furnace body 12 forms a movable furnace body. Preferably, the moving wheels are universal wheels.

[0040] The furnace cover 11 is arranged on the opening in a flippable manner via a hinge.

[0041] The rotary lifting device 3 also assists in taking and placing the pottery blanks. When taking and placing the pottery blanks, the furnace cover 11 is opened, and the driving mechanism 32 drives the supporting plate 31 to be lifted, so as to facilitate taking and placing the pottery blanks.

[0042] As an optional embodiment, the furnace body 12 is cylindrical as a whole, and its furnace wall is sequentially provided with an outer shell 112, a heat insulation layer 113 and a refractory layer 114 from the outside to the inside, and the refractory layer 114 is built with refractory bricks.

[0043] As an optional implementation, the driving mechanism 32 includes a rotating lifting shaft assembly 322 and a first power assembly 321 , and the first power assembly 321 includes a motor and a reducer.

[0044] The rotating lifting shaft assembly 322 is vertically arranged, the top end of the rotating lifting shaft assembly 322 is fixedly connected to the support plate 31, the bottom end of the rotating lifting shaft assembly 322 is connected to the first power assembly 321, and can rotate under the drive of the first power assembly 321, and the first power assembly 321 is arranged in the installation cavity.

[0045] When firing the pottery blank, the first power assembly 321 is started, driving the rotary lifting shaft assembly 322 to rotate, thereby driving the support plate 31 to rotate.

[0046] As an optional implementation, the rotating lifting shaft assembly 322 includes a guide shaft 3221 and a lifting shaft 3222 .

[0047] The guide shaft 3221 is connected to the first power assembly 321 , and the lifting shaft 3222 is sleeved on the guide shaft 3221 and rotates synchronously with the guide shaft 3221 .

[0048] As an optional embodiment, the lifting shaft 3222 is slidably matched with the guide shaft 3221 along the axial direction, and the driving mechanism 32 includes a second power component 324, and the second power component 324 includes a motor and a reducer.

[0049] The second power assembly 324 is arranged in the installation cavity, and the output end of the second power assembly 324 is connected to a transmission gear 323, the axis of the transmission gear 323 is in the horizontal direction, and it is perpendicular to the axis of the rotating lifting shaft assembly 322; the lifting shaft 3222 is evenly provided with a plurality of lifting teeth 3223 along the axial direction, and the lifting teeth 3223 are meshed with the transmission gear 323.

[0050] When firing the pottery blank or taking or placing the pottery blank, the second power assembly 324 is started, and the transmission gear 323 is driven to rotate forward and reversely by its forward and reverse rotation, thereby driving the lifting shaft 3222 to rise and fall relative to the guide shaft 3221 .

[0051] During the whole process of firing the ceramic blank, the rotation and lifting of the support plate 31 are performed independently, that is, when one of the first power assembly 321 and the second power assembly 324 is started, the other one is stopped.

[0052] As an optional implementation, the ceramic kiln includes a control device 4 , and the heating device 2 and the rotating lifting device 3 are both electrically connected to the control device 4 .

[0053] The control device 4 includes a control panel, which is arranged on the outer wall of the furnace body 12 corresponding to the position of the installation cavity, and is provided with a display screen and control buttons.

[0054] In the description of the present application, it should be understood that the terms "upper", "lower", "inside", "outside", "top", "bottom", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this application, "multiple" or "several" means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0056] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0057] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A pottery kiln, characterized in that: It includes a kiln, a heating device and a rotating lifting device, wherein: A heating chamber and an installation chamber are provided in the kiln, the heating device comprises a heating wire, and the heating wire is embedded in the cavity wall of the heating chamber, the rotating lifting device comprises a support plate and a driving mechanism, the support plate is provided in the heating chamber, the driving mechanism is provided in the installation chamber, the output end of the driving mechanism is connected to the support plate, the driving mechanism can drive the support plate to rise and fall, and the driving mechanism can drive the support plate to rotate.

2. The ceramic kiln according to claim 1, characterized in that: The cavity wall of the heating cavity is provided with an embedding groove adapted to the heating wire, and the depth of the embedding groove is not less than the diameter of the heating wire.

3. The ceramic kiln according to claim 2, characterized in that: The heating wire is arranged in a spiral shape.

4. The ceramic kiln according to claim 2, characterized in that: The heating wire is arranged in a ring shape, the number of the heating wires is set to be multiple, and all the heating wires are evenly arranged in sequence along the vertical direction; The cavity wall of the heating cavity is provided with the embedding groove at a position corresponding to the heating wire.

5. The ceramic kiln according to claim 1, characterized in that: The kiln comprises a furnace body and a furnace cover, wherein: The top of the furnace body is provided with an opening, and the bottom of the furnace body is provided with moving wheels; The furnace cover can be turned over and covered on the opening.

6. The ceramic kiln according to claim 5, characterized in that: The furnace wall of the furnace body is sequentially provided with an outer shell, a heat insulation layer and a refractory layer along a direction from outside to inside.

7. The ceramic kiln according to claim 1, characterized in that: The driving mechanism comprises a rotating lifting shaft assembly and a first power assembly, wherein: The rotating lifting shaft assembly is vertically arranged, the top end of the rotating lifting shaft assembly is fixedly connected to the support plate, the bottom end of the rotating lifting shaft assembly is connected to the first power assembly and can rotate under the drive of the first power assembly, and the first power assembly is arranged in the installation cavity.

8. The ceramic kiln according to claim 7, characterized in that: The rotary lifting shaft assembly comprises a guide shaft and a lifting shaft, wherein: The guide shaft is connected to the first power assembly; The lifting shaft is sleeved on the guide shaft and rotates synchronously with the guide shaft.

9. The ceramic kiln according to claim 8, characterized in that: The lifting shaft is slidably matched with the guide shaft along the axial direction, and the driving mechanism includes a second power assembly, wherein: The second power assembly is arranged in the installation cavity, and a transmission gear is connected to the output end of the second power assembly, and the axis of the transmission gear is perpendicular to the axis of the rotating lifting shaft assembly; The lifting shaft is evenly provided with a plurality of lifting teeth along the axial direction, and the lifting teeth are meshed with the transmission gear. The second power assembly can drive the transmission gear to rotate so that the lifting shaft can be lifted or lowered relative to the guide shaft.

10. The ceramic kiln according to claim 1, characterized in that: The ceramic kiln comprises a control device, and the heating device and the rotating lifting device are both electrically connected to the control device.

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