High-thermal-conductivity refractory ceramic plate for kiln

Abstract

The utility model relates to the technical field of ceramic plates for kilns, in particular to a high-heat-conduction refractory ceramic plate for a kiln. Comprising a silicon carbide ceramic plate body, a plurality of connecting columns, a heat conduction plate and a fixing mechanism, the fixing mechanism comprises a plurality of mounting protrusions, a plurality of abutting columns and a plurality of reset springs, the connecting columns are sequentially inserted into corresponding fixing holes, and in the inserting process of the connecting columns, second inclined planes apply force to first inclined planes, so that the abutting columns slide in sliding holes; when one silicon carbide ceramic plate body is fixed to one end of the connecting column, force is applied to the reset spring, the reset spring is in a compressed state, and after the connecting column is inserted into the bottom of the fixing hole, the abutting column is inserted into the inserting hole under the action of restoring force of the reset spring, so that the connecting column is fixed to the current silicon carbide ceramic plate body, and the other silicon carbide ceramic plate body is fixed to the other end of the connecting column. Therefore, the fixing structure between two adjacent silicon carbide ceramic bodies is firmer.

Description

Technical Field

[0001] The utility model relates to the technical field of ceramic plates for kilns, in particular to a high heat conduction refractory ceramic plate for kilns. Background Art

[0002] In industrial production, parts that need to be sintered at high temperatures require ceramic support plates. The blanks are placed on the ceramic support plates and sintered in a kiln. Existing ceramic support plates are mostly silicon carbide ceramic plates. Although the existing refractory silicon carbide ceramic plates have high high temperature resistance, they have poor thermal conductivity and cannot conduct the heat received by the refractory silicon carbide ceramic plates, thereby reducing their practicality.

[0003] To solve the above problems, the prior art patent publication number (CN216385228U) discloses a high thermal conductivity refractory silicon carbide ceramic plate, including a silicon carbide ceramic plate body, a mounting groove is provided on the surface of the silicon carbide ceramic plate body, a mounting hole is provided in the inner cavity of the mounting groove, a heat conducting plate is bonded to the inner cavity of the mounting groove by a heat conducting adhesive, a threaded hole is provided on the back of the heat conducting plate, a heat conducting column is threadedly connected to the inner cavity of the threaded hole, the heat conducting column extends from one end of the threaded hole to the inner cavity of the mounting hole, a receiving cavity is provided in the inner cavity of the heat conducting plate, and the inner cavity of the receiving cavity is filled with heat conducting oil. The technical solution can make the silicon carbide ceramic plate body have high thermal conductivity through the coordinated use of the mounting groove, the mounting hole, the heat conducting plate, the threaded hole, the heat conducting column, the receiving cavity, the heat conducting oil, the heat dissipation paste and the heat conducting film, and can quickly conduct the heat received by the silicon carbide ceramic plate body.

[0004] However, the connection structure of the existing high thermal conductivity refractory silicon carbide ceramic plates is relatively simple, and the bodies of two adjacent silicon carbide ceramic plates are only fixed by connecting columns, and the fixing structure between the two adjacent ceramic plates is not strong enough. Utility Model Content

[0005] The utility model aims to provide a high thermal conductivity refractory ceramic plate for a kiln, aiming to solve the technical problem that the connection structure of the existing high thermal conductivity refractory silicon carbide ceramic plate is relatively simple, the two adjacent silicon carbide ceramic plate bodies are only fixed by connecting columns, and the fixing structure between the two adjacent ceramic plates is not strong enough.

[0006] To achieve the above-mentioned purpose, the utility model provides a high heat conduction refractory ceramic plate for a kiln, comprising a silicon carbide ceramic plate body, a plurality of connecting columns, a heat conducting plate and a fixing mechanism, a plurality of fixing holes are arranged on both sides of the silicon carbide ceramic plate body, each of the fixing holes is provided with the connecting column, the connecting column is used to connect two adjacent silicon carbide ceramic plate bodies, the bottom of the silicon carbide ceramic plate body is provided with the heat conducting plate, the interior of the heat conducting plate is provided with heat conducting oil, a side of the heat conducting plate away from the silicon carbide ceramic plate body is provided with heat dissipation paste, and a side of the heat dissipation paste away from the heat conducting plate is provided with a heat conducting film;

[0007] The fixing mechanism includes a plurality of mounting protrusions, a plurality of supporting columns and a plurality of return springs. A plurality of mounting protrusions are provided on both sides of the silicon carbide ceramic plate body, each of the mounting protrusions corresponds to a fixing hole respectively, each of the mounting protrusions is connected to the corresponding fixing hole through a sliding hole, the supporting column is slidably provided at the sliding hole, a first inclined surface is provided at one end of the supporting column close to the corresponding fixing hole, a return spring is provided at one end of the supporting column away from the corresponding fixing hole, an end of the return spring away from the supporting column is connected to the inner bottom wall of the corresponding mounting protrusion, a second inclined surface is provided at both ends of the connecting column, the second inclined surface is adapted to the first inclined surface, and a socket is provided on the side walls at both ends of the connecting column, the socket is adapted to the supporting column.

[0008] Wherein, an injection tube is arranged on one side of the heat conducting plate away from the silicon carbide ceramic plate body, the injection tube passes through the heat dissipation paste and the heat conducting film in sequence, and a sealing plug is arranged on one end of the injection tube away from the heat conducting plate.

[0009] Among them, the inner side wall of the injection pipe is provided with an internal thread, and the sealing plug is provided with an external thread, and the external thread is adapted to the internal thread.

[0010] Among them, the outer side wall of the sealing plug is provided with anti-slip grooves, and the bottom of the silicon carbide ceramic plate body is also provided with a fixing frame, and the fixing frame is arranged outside the heat conducting plate.

[0011] Among them, the high thermal conductivity refractory ceramic plate for the kiln also includes a plurality of pull rods, each of the supporting columns is provided with the pull rod at one end away from the corresponding fixing hole, the pull rod is located inside the return spring, and the end of the pull rod away from the supporting column extends to the outside of the mounting protrusion.

[0012] Wherein, a pull ring is provided at one end of each pull rod away from the corresponding supporting column, and the pull ring is located outside the mounting protrusion.

[0013] The utility model provides a high heat conduction refractory ceramic plate for a kiln, wherein a plurality of connecting columns are sequentially inserted into the corresponding fixing holes, and during the insertion process of the connecting column, the second inclined surface applies force to the first inclined surface, so that the supporting column slides in the sliding hole, and applies force to the reset spring, so that the reset spring is in a compressed state, and when the connecting column is inserted to the bottom of the fixing hole, the insertion hole corresponds to the sliding hole, and the supporting column is inserted into the insertion hole under the action of the restoring force of the reset spring, thereby fixing the connecting column to the current silicon carbide ceramic plate body, and inserting another silicon carbide ceramic plate body into the other end of the connecting column, so that the other silicon carbide ceramic body is firmly fixed to the other end of the connecting column, thereby making the fixing structure between the two adjacent silicon carbide ceramic bodies more secure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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.

[0015] Figure 1 It is a structural schematic diagram of a high heat conduction refractory ceramic plate for a kiln according to the first embodiment of the utility model.

[0016] Figure 2 It is a cross-sectional view of the internal structure of a high heat conduction refractory ceramic plate for a kiln according to the first embodiment of the utility model.

[0017] Figure 3 The utility model provides Figure 2 A magnified view of the local structure at A.

[0018] Figure 4 It is a schematic diagram of the disassembled structure of the sealing plug and the injection pipe in the first embodiment of the utility model.

[0019] Figure 5 It is a structural schematic diagram of a high heat conduction refractory ceramic plate for a kiln according to a second embodiment of the utility model.

[0020] Figure 6 The utility model provides Figure 5 A magnified view of the local structure at B.

[0021] 101-silicon carbide ceramic plate body, 102-connecting column, 103-heat conducting plate, 104-mounting protrusion, 105-holding column, 106-reset spring, 107-fixing hole, 108-thermal oil, 109-heat dissipation paste, 110-thermal conductive film, 111-sliding hole, 112-first inclined plane, 113-second inclined plane, 114-insertion hole, 115-injection pipe, 116-sealing plug, 117-internal thread, 118-external thread, 119-anti-slip pattern, 120-fixing frame, 201-pull rod, 202-pull ring. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] First embodiment:

[0024] See also Figures 1 to 4 ,in Figure 1 is a schematic structural diagram of a high heat conductivity refractory ceramic plate for a kiln in accordance with a first embodiment. Figure 2 is a cross-sectional view of the internal structure of the high heat conductivity refractory ceramic plate for kiln of the first embodiment, Figure 3 yes Figure 2 The enlarged view of the local structure at A. Figure 4 It is a schematic diagram of the disassembled structure of the sealing plug and the injection tube in the first embodiment.

[0025] The utility model provides a high heat conduction refractory ceramic plate for kilns: comprising a silicon carbide ceramic plate body 101, a plurality of connecting columns 102, a heat conducting plate 103 and a fixing mechanism, wherein the fixing mechanism comprises a plurality of mounting protrusions 104, a plurality of abutting columns 105 and a plurality of return springs 106. The above-mentioned solution solves the problem that the connection structure of the existing high heat conduction refractory silicon carbide ceramic plate is relatively simple, two adjacent silicon carbide ceramic plate bodies 101 are only fixed by connecting columns 102, and the fixing structure between the two adjacent ceramic plates is not strong enough. It can be understood that the above-mentioned solution can be used in the structure of the high heat conduction refractory silicon carbide ceramic plate for kilns.

[0026] According to the present specific embodiment, a plurality of fixing holes 107 are provided on both sides of the silicon carbide ceramic plate body 101, and the connecting column 102 is provided in each of the fixing holes 107. The connecting column 102 is used to connect two adjacent silicon carbide ceramic plate bodies 101. The bottom of the silicon carbide ceramic plate body 101 is provided with the heat conducting plate 103, and the interior of the heat conducting plate 103 is filled with heat conducting oil 108. A heat dissipating paste 109 is provided on one side of the heat conducting plate 103 away from the silicon carbide ceramic plate body 101, and a heat conducting film 110 is provided on one side of the heat dissipating paste 109 away from the heat conducting plate 103. The heat in the inner cavity of the silicon carbide ceramic plate body 101 is absorbed by the heat conducting plate 103, and the heat absorption and conduction are further accelerated by the heat conducting oil 108, the heat dissipating paste 109 and the heat conducting film 110, thereby improving the thermal conductivity performance of the silicon carbide ceramic plate body 101.

[0027] Wherein, a plurality of mounting protrusions 104 are arranged on both sides of the silicon carbide ceramic plate body 101, each of the mounting protrusions 104 corresponds to a fixing hole 107, each of the mounting protrusions 104 and the corresponding fixing hole 107 are connected through a sliding hole 111, and the abutting column 105 is slidably arranged at the sliding hole 111, and the abutting column 105 is provided with a first inclined surface 112 at one end thereof close to the corresponding fixing hole 107, and the abutting column 105 is provided with a first inclined surface 112. The end of the connecting column 102 away from the corresponding fixing hole 107 is provided with the return spring 106, and the end of the return spring 106 away from the abutting column 105 is connected to the inner bottom wall of the corresponding mounting protrusion 104. The two ends of the connecting column 102 are provided with a second inclined surface 113, and the second inclined surface 113 is adapted to the first inclined surface 112. The side walls of the two ends of the connecting column 102 are provided with a plug hole 114, and the plug hole 114 is adapted to the abutting column 105. The connecting posts 102 are inserted into the corresponding fixing holes 107 in sequence. During the insertion of the connecting post 102, the second inclined surface 113 applies force to the first inclined surface 112, so that the supporting post 105 slides in the sliding hole 111, and applies force to the return spring 106, so that the return spring 106 is in a compressed state. When the connecting post 102 is inserted to the bottom of the fixing hole 107, the insertion hole 114 corresponds to the sliding hole 111, and the supporting post 105 is inserted into the insertion hole 114 under the action of the restoring force of the return spring 106, so that the connecting post 102 is fixed to the current silicon carbide ceramic plate body 101, and another silicon carbide ceramic plate body 101 is inserted into the other end of the connecting post 102, so that the other silicon carbide ceramic body is firmly fixed to the other end of the connecting post 102, so that the fixing structure between the two adjacent silicon carbide ceramic bodies is more secure.

[0028] Secondly, an injection tube 115 is provided on one side of the heat conducting plate 103 away from the silicon carbide ceramic plate body 101, and the injection tube 115 passes through the heat dissipation paste 109 and the heat conducting film 110 in sequence. A sealing plug 116 is provided on one end of the injection tube 115 away from the heat conducting plate 103. By screwing the sealing plug 116, the heat conducting oil 108 inside the heat conducting plate 103 is filled through the injection tube 115.

[0029] At the same time, an internal thread 117 is provided on the inner wall of the injection pipe 115, and an external thread 118 is provided on the sealing plug 116. The external thread 118 is adapted to the internal thread 117. The sealing plug 116 can be assembled and disassembled by the arrangement of the external thread 118 and the internal thread 117.

[0030] In addition, anti-slip grooves 119 are provided on the outer wall of the sealing plug 116, and a fixing frame 120 is also provided at the bottom of the silicon carbide ceramic plate body 101. The fixing frame 120 is arranged outside the heat conducting plate 103. The anti-slip grooves 119 are arranged to make it more convenient to rotate the sealing plug 116, and the heat conducting plate 103 is fixed by the fixing frame 120.

[0031] When using a high thermal conductivity refractory ceramic plate for a kiln in this embodiment, the heat in the inner cavity of the silicon carbide ceramic plate body 101 is absorbed by the heat conducting plate 103, and the heat absorption and conduction are further accelerated by the heat conducting oil 108, the heat dissipation paste 109 and the heat conducting film 110, thereby improving the thermal conductivity of the silicon carbide ceramic plate body 101. In addition, the plurality of connecting columns 102 are sequentially inserted into the corresponding fixing holes 107. During the insertion of the connecting column 102, the second inclined surface 113 applies force to the first inclined surface 112, so that the supporting column 105 slides in the sliding hole 111, and applies force to the return spring 106. The reset spring 106 is in a compressed state. When the connecting column 102 is inserted into the bottom of the fixing hole 107, the insertion hole 114 corresponds to the sliding hole 111. The abutting column 105 is inserted into the insertion hole 114 under the action of the restoring force of the reset spring 106, thereby fixing the connecting column 102 on the current silicon carbide ceramic plate body 101, and inserting another silicon carbide ceramic plate body 101 into the other end of the connecting column 102, so that the other silicon carbide ceramic body is firmly fixed on the other end of the connecting column 102, thereby making the fixing structure between the two adjacent silicon carbide ceramic bodies more secure.

[0032] Second embodiment:

[0033] Based on the first embodiment, please refer to Figure 5 and Figure 6 , Figure 5 This is a schematic structural diagram of a high heat conductivity refractory ceramic plate for a kiln according to a second embodiment. Figure 6 for Figure 5 A magnified view of the local structure at B.

[0034] The utility model provides a high heat conduction refractory ceramic plate for a kiln, which also includes a plurality of tie rods 201 .

[0035] According to this specific embodiment, the pull rod 201 is provided at one end of each of the supporting columns 105 away from the corresponding fixing hole 107, and the pull rod 201 is located inside the reset spring 106. The end of the pull rod 201 away from the supporting column 105 extends to the outside of the mounting protrusion 104. Through the setting of the pull rod 201, the supporting column 105 is pulled to slide in the sliding hole 111, thereby facilitating the disassembly of the connecting column 102 and the silicon carbide ceramic body.

[0036] A pull ring 202 is provided at one end of each pull rod 201 away from the corresponding supporting column 105 . The pull ring 202 is located outside the mounting protrusion 104 . The setting of the pull ring 202 makes it more convenient to pull the pull rod 201 .

[0037] When using a high thermal conductivity refractory ceramic plate for a kiln of this embodiment, the pull rod 201 is provided to pull the supporting column 105 to slide in the sliding hole 111, thereby facilitating the disassembly of the connecting column 102 and the silicon carbide ceramic body, and the pull ring 202 is provided to make pulling the pull rod 201 more convenient.

[0038] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. A high thermal conductivity refractory ceramic plate for a kiln, comprising a silicon carbide ceramic plate body, a plurality of connecting columns and a heat conducting plate, wherein a plurality of fixing holes are arranged on both sides of the silicon carbide ceramic plate body, each of the fixing holes is provided with the connecting column, and the connecting column is used to connect two adjacent silicon carbide ceramic plate bodies, the bottom of the silicon carbide ceramic plate body is provided with the heat conducting plate, the interior of the heat conducting plate is provided with heat conducting oil, a side of the heat conducting plate away from the silicon carbide ceramic plate body is provided with heat dissipation paste, and a side of the heat dissipation paste away from the heat conducting plate is provided with a heat conducting film, characterized in that: Also includes a fixing mechanism; The fixing mechanism includes a plurality of mounting protrusions, a plurality of supporting columns and a plurality of return springs. A plurality of mounting protrusions are provided on both sides of the silicon carbide ceramic plate body, each of the mounting protrusions corresponds to a fixing hole respectively, each of the mounting protrusions is connected to the corresponding fixing hole through a sliding hole, the supporting column is slidably provided at the sliding hole, a first inclined surface is provided at one end of the supporting column close to the corresponding fixing hole, a return spring is provided at one end of the supporting column away from the corresponding fixing hole, an end of the return spring away from the supporting column is connected to the inner bottom wall of the corresponding mounting protrusion, a second inclined surface is provided at both ends of the connecting column, the second inclined surface is adapted to the first inclined surface, and a socket is provided on the side walls at both ends of the connecting column, the socket is adapted to the supporting column.

2. The high thermal conductivity refractory ceramic plate for kiln according to claim 1, characterized in that: An injection tube is provided on one side of the heat conducting plate away from the silicon carbide ceramic plate body. The injection tube sequentially penetrates the heat dissipation paste and the heat conducting film. A sealing plug is provided on one end of the injection tube away from the heat conducting plate.

3. The high thermal conductivity refractory ceramic plate for kiln according to claim 2, characterized in that: An internal thread is arranged on the inner side wall of the injection pipe, and an external thread is arranged on the sealing plug, and the external thread is matched with the internal thread.

4. The high thermal conductivity refractory ceramic plate for kiln according to claim 3, characterized in that: The outer side wall of the sealing plug is provided with anti-slip grooves, and the bottom of the silicon carbide ceramic plate body is also provided with a fixing frame, and the fixing frame is arranged outside the heat conducting plate.

5. The high thermal conductivity refractory ceramic plate for kiln according to claim 2, characterized in that: The high thermal conductivity refractory ceramic plate for the kiln also includes a plurality of pull rods, each of which is provided with a pull rod at one end of the supporting column away from the corresponding fixing hole, the pull rod is located inside the return spring, and the end of the pull rod away from the supporting column extends to the outside of the mounting protrusion.

6. The high thermal conductivity refractory ceramic plate for kiln according to claim 5, characterized in that: A pull ring is provided at one end of each pull rod away from the corresponding abutting column, and the pull ring is located outside the mounting protrusion.

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