Uniformly-heated zirconia ceramic block sintering furnace
By introducing auxiliary components and heating components into the zirconia block sintering furnace, and utilizing the combination of gears, gear rings, and heat transfer materials, the problem of uneven heat distribution in traditional sintering furnaces has been solved, achieving uniform heating of zirconia blocks and improving the quality and performance of the blocks.
Patent Information
- Application Number
- CN202520009527.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-03
AI Technical Summary
Traditional sintering furnaces suffer from uneven heat distribution when heating zirconia blocks, leading to microcracks and deformation, which affects the precision and strength of dental crowns and other restorations.
The auxiliary components and heating components work together, including gears, gear rings, motors, threaded rods and heat transfer materials. The motor drives the gear meshing and the adjustment disc to rotate, which, combined with the silicon carbide-coated inner furnace, provides uniform heating and ensures uniform heat transfer.
This achieves uniform heating of zirconia ceramic blocks, avoiding quality problems caused by uneven heating, and improving the precision and strength of dental crowns and other restorations.
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Figure CN223954624U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to zirconia technology field, concretely relates to a zirconia porcelain block sintering furnace that receives even heat. BACKGROUND
[0002] Zirconia porcelain block has wide application in many fields such as oral cavity repair, electronic ceramics etc. In the aspect of oral cavity repair, zirconia porcelain block is used to make crown, bridge and other repairing body. Since it needs to adapt to human oral cavity environment and the precision and quality requirement is extremely high, it is necessary to ensure even heat receiving during sintering process, and uneven heat receiving can cause microcrack, deformation and other problems of porcelain block, thereby affecting the precision and strength of crown and other repairing body.
[0003] Traditional sintering furnace has some problems when heating zirconia porcelain block, and the layout of heating element of traditional furnace type is not reasonable enough, which can cause uneven heat distribution. For example, the heating element of some simple box type sintering furnace is only distributed on one side or both sides of furnace wall, so that the temperature of the side of porcelain block close to the heating element is higher, and the temperature of the side far away from the heating element is lower, thereby causing uneven heat receiving of porcelain block and affecting use.
[0004] According to the above problems, the utility model provides a zirconia porcelain block sintering furnace that receives even heat. CONTENT OF THE UTILITY MODEL
[0005] In view of the above-mentioned shortcomings of prior art, the utility model provides a zirconia porcelain block sintering furnace that receives even heat, which can effectively solve the problems in prior art.
[0006] To achieve the above purpose, the utility model realizes the following technical scheme:
[0007] The utility model provides a zirconia porcelain block sintering furnace that receives even heat, including device frame and sintering cup, one side of device frame is fixedly connected with sintering furnace body, the top of sintering furnace body is rotatably connected with furnace cover, one side of device frame is slidably connected with connecting plate, the top of connecting plate is rotatably connected with adjusting disc.
[0008] The inside of adjusting disc is provided with limiting assembly, the top of connecting plate is provided with auxiliary assembly, the inside of sintering furnace body is provided with heating assembly, and the heating assembly and auxiliary assembly are mutually matched.
[0009] According to the above-mentioned zirconia porcelain block sintering furnace that receives even heat, the auxiliary assembly includes gear, the outside of adjusting disc is fixedly installed with gear ring, the gear is meshedly connected with gear ring, the bottom of connecting plate is fixedly installed with motor two, and the output end of motor two is fixedly connected with gear.
[0010] According to the zirconia porcelain block sintering furnace of even heating, the heating assembly comprises an inner furnace, electric heating wires are arranged in the inside of the sintering furnace body and outside the inner furnace, and the inner wall of the inner furnace is provided with heat transfer materials, which are silicon carbide coatings.
[0011] According to the zirconia porcelain block sintering furnace of even heating, the inside of the device frame is rotationally connected with a threaded rod, the outside of the threaded rod is threadedly connected with a sliding block, the sliding block is fixedly connected with a connecting plate, the bottom of the device frame is fixedly installed with a motor one, and the output end of the motor one is fixedly connected with the threaded rod.
[0012] According to the zirconia porcelain block sintering furnace of even heating, the limiting assembly comprises two limiting rods one, the inside of each of the two limiting rods one is slidably connected with a limiting rod two, one side of the limiting rod two is fixedly connected with a limiting ring, the limiting ring is in contact with or separated from the sintering cup, the inside of the limiting rod one is fixedly installed with a spring, and the spring is fixedly connected with the limiting rod two.
[0013] According to the zirconia porcelain block sintering furnace of even heating, the bottom of the sintering furnace body is provided with a placing opening, the bottom of the sintering furnace body is fixedly installed with a resistance rotating shaft, the outside of the resistance rotating shaft is rotationally connected with a sealing cover, and the sealing cover seals or opens the placing opening.
[0014] According to the zirconia porcelain block sintering furnace of even heating, one side of the device frame is fixedly installed with a control panel, and the motor one, the motor two and the electric heating wires are electrically connected with the control panel.
[0015] Compared with the prior art, the technical scheme has the following beneficial effects:
[0016] The auxiliary assembly and the heating assembly are arranged, the zirconia to be sintered is placed in the sintering cup, then the sliding block is driven to move upwards by the threaded rod, the connecting plate moves, the sintering cup is sent into the inside of the sintering furnace body and the inside of the inner furnace, then the electric heating wires are turned on to heat the inner furnace, the heat transfer materials are arranged to uniformly transfer heat to the sintering cup in the heating process, the evenness of heating is improved, the gear is driven to rotate by the motor two, the gear is engaged with the gear ring, the adjusting disc is driven to rotate, the sintering cup rotates in the process of rotation of the adjusting disc, the zirconia in the sintering cup is heated more evenly, and the problem of uneven heating of the porcelain block is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described in the following are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0018] Figure 1 The structural schematic diagram of the present application;
[0019] Figure 2 The side view of the present application;
[0020] Figure 3 The device frame sectional view of the present application;
[0021] Figure 4 The structural schematic diagram of the connecting plate of the present application;
[0022] Figure 5 The first limiting rod sectional view of the present application;
[0023] Figure 6 The bottom view of the sintering furnace body of the present application;
[0024] Figure 7 The sectional view of the sintering furnace body of the present application.
[0025] The drawings mark: 1, device frame; 2, sintering furnace body; 3, connecting plate; 5, adjusting disc; 6, sintering cup; 11, control panel; 12, motor one; 13, threaded rod; 14, sliding block; 21, furnace cover; 22, sealing cover; 23, resistance rotating shaft; 24, placing port; 25, inner furnace; 26, electric heating wire; 31, motor two; 32, gear; 33, gear ring; 51, limiting ring; 52, first limiting rod; 53, second limiting rod; 54, spring. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0027] The present application will be further described below in combination with the embodiments.
[0028] Embodiment: refer to Figures 1 to 7The application discloses a zirconia porcelain block sintering furnace capable of uniformly heating, which comprises a device frame 1 and a sintering cup 6, one side of the device frame 1 is fixedly connected with a sintering furnace body 2, the top of the sintering furnace body 2 is rotationally connected with a furnace cover 21, one side of the device frame 1 is slidably connected with a connecting plate 3, and the top of the connecting plate 3 is rotationally connected with an adjusting disc 5.
[0029] The inside of the adjusting disc 5 is provided with a limiting assembly, the top of the connecting plate 3 is provided with an auxiliary assembly, and the inside of the sintering furnace body 2 is provided with a heating assembly; the heating assembly cooperates with the auxiliary assembly; the limiting assembly can limit sintering cups 6 of different specifications to meet the zirconia sintering requirements of different demands; and the cooperation of the heating assembly and the auxiliary assembly can improve the uniformity of the sintering cup 6, thereby improving the quality of the porcelain block.
[0030] The auxiliary assembly comprises a gear 32, a gear ring 33 is fixedly installed on the outside of the adjusting disc 5, the gear 32 is in meshing connection with the gear ring 33, a second motor 31 is fixedly installed at the bottom of the connecting plate 3, the output end of the second motor 31 is fixedly connected with the gear 32, the gear 32 is driven to rotate by the second motor 31, and the gear 32 is in meshing connection with the gear ring 33, so that the adjusting disc 5 is driven to rotate; the sintering cup 6 rotates in the rotating process of the adjusting disc 5, and the zirconia in the sintering cup 6 is more uniformly heated.
[0031] The inside of the device frame 1 is rotationally connected with a threaded rod 13, the outer side of the threaded rod 13 is threadedly connected with a sliding block 14, the sliding block 14 is fixedly connected with the connecting plate 3, the bottom of the device frame 1 is fixedly installed with a motor one 12, the output end of the motor one 12 is fixedly connected with the threaded rod 13, the threaded rod 13 is driven to rotate by the motor one 12, and further drives the sliding block 14 to move up and down, so that the height of the connecting plate 3 can be adjusted, so that the sintering cup 6 can be sent into the inside of the sintering furnace body 2 for heating treatment, the limiting assembly comprises two limiting rods one 52, the inside of the two limiting rods one 52 is slidably connected with a limiting rod two 53, one side of the limiting rod two 53 is fixedly connected with a limiting ring 51, the limiting ring 51 is in contact with or separated from the sintering cup 6, the inside of the limiting rod one 52 is fixedly installed with a spring 54, the spring 54 is fixedly connected with the limiting rod two 53, by moving the limiting rod two 53 towards the spring 54, the two limiting rings 51 can be made to move away from each other in the process of compressing the spring 54, so that sintering cups 6 of different specifications can be placed, and the limiting ring 51 is reset by the spring 54 and the sintering cup 6 is limited, so as to improve the use flexibility of the device, the bottom of the sintering furnace body 2 is provided with a placing opening 24, the bottom of the sintering furnace body 2 is fixedly installed with a resistance rotating shaft 23, the outer side of the resistance rotating shaft 23 is rotationally connected with a sealing cover 22, the sealing cover 22 seals or opens the placing opening 24, by cooperation of the sealing cover 22 and the resistance rotating shaft 23, the placing opening 24 can be sealed or opened, so that the sintering cup 6 can enter the inside of the sintering furnace body 2, one side of the device frame 1 is fixedly installed with a control panel 11, the motor one 12, the motor two 31 and the electric heating wire 26 are electrically connected with the control panel 11, by setting the control panel 11, the user can control the device.
[0032] The working principle of the utility model is as follows: the sealing cover 22 is rotated through the resistance rotating shaft 23, and the placing opening 24 is exposed, so that the sintering cup 6 is conveniently put into the inside of the sintering furnace body 2, then the quality of the zirconia to be sintered is adjusted according to the need, the sintering cup 6 is correspondingly replaced, then the zirconia to be sintered is placed in the inside of the sintering cup 6, the sintering cup 6 is placed between the two limiting rings 51, the sintering cup 6 is limited through the two limiting rings 51, then the threaded rod 13 is driven to rotate through the motor one 12, the sliding block 14 is driven to move up through the threaded rod 13, the connecting plate 3 is moved, the sintering cup 6 is sent into the inside of the sintering furnace body 2 and the inside of the inner furnace 25, then the inner furnace 25 is heated through the electric heating wire 26, the heat transfer material is arranged, the heat is evenly transferred to the sintering cup 6 in the heating process, so that the uniformity of the heating is improved, the gear 32 is driven to rotate through the motor two 31, the gear 32 is engaged with the gear ring 33, so that the adjusting disc 5 is driven to rotate, the sintering cup 6 is rotated in the process of the adjusting disc 5, so that the zirconia in the sintering cup 6 is heated more evenly, so that the influence problem of the uneven heating of the porcelain block is avoided.
[0033] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the utility model.
Claims
1. A zirconia ceramic block sintering furnace with uniform heating, comprising a frame (1) and a sintering cup (6), characterized in that: A sintering furnace body (2) is fixedly connected to one side of the device frame (1), and a furnace cover (21) is rotatably connected to the top of the sintering furnace body (2). A connecting plate (3) is slidably connected to one side of the device frame (1), and an adjusting plate (5) is rotatably connected to the top of the connecting plate (3). The regulating plate (5) is equipped with a limiting component inside, the top of the connecting plate (3) is equipped with an auxiliary component, and the sintering furnace body (2) is equipped with a heating component inside. The heating component and the auxiliary component cooperate with each other.
2. The zirconia ceramic block sintering furnace with uniform heating according to claim 1, characterized in that: The auxiliary components include a gear (32), a gear ring (33) is fixedly installed on the outside of the adjustment disk (5), the gear (32) is meshed with the gear ring (33), and a second motor (31) is fixedly installed at the bottom of the connecting plate (3), the output end of the second motor (31) is fixedly connected to the gear (32).
3. The zirconia ceramic block sintering furnace with uniform heating according to claim 1, characterized in that: The heating assembly includes an inner furnace (25), and an electric heating wire (26) is provided inside the sintering furnace body (2) and outside the inner furnace (25). The inner wall of the inner furnace (25) is provided with a heat transfer material, and the heat transfer material is a silicon carbide coating.
4. The zirconia ceramic block sintering furnace with uniform heating according to claim 1, characterized in that: The device frame (1) is internally rotatably connected to a threaded rod (13), and a slider (14) is threadedly connected to the outside of the threaded rod (13). The slider (14) is fixedly connected to the connecting plate (3). A motor (12) is fixedly installed at the bottom of the device frame (1), and the output end of the motor (12) is fixedly connected to the threaded rod (13).
5. The zirconia ceramic block sintering furnace with uniform heating according to claim 1, characterized in that: The limiting assembly includes two limiting rods (52), and each of the two limiting rods (52) is slidably connected to a limiting rod (53). A limiting ring (51) is fixedly connected to one side of the limiting rod (53). The limiting ring (51) is in contact with or separates from the sintering cup (6). A spring (54) is fixedly installed inside the limiting rod (52), and the spring (54) is fixedly connected to the limiting rod (53).
6. The zirconia ceramic block sintering furnace with uniform heating according to claim 1, characterized in that: The bottom of the sintering furnace body (2) is provided with a placement port (24), and a resistance shaft (23) is fixedly installed at the bottom of the sintering furnace body (2). A sealing cover (22) is rotatably connected to the outside of the resistance shaft (23), and the sealing cover (22) seals or opens the placement port (24).
7. A zirconia ceramic block sintering furnace with uniform heating according to claim 4, characterized in that: A control panel (11) is fixedly installed on one side of the device frame (1), and the first motor (12), the second motor (31) and the electric heating wire (26) are all electrically connected to the control panel (11).