Furnace door support of graphite furnace
By designing a graphite furnace door bracket using hinge seat, hinge seat, transverse arms, fixing plate and insulation layer, the problem of furnace door cannot be adjusted and closed in the prior art is solved, the flexible adjustment and sealing of the furnace door are achieved, and the stability and efficiency of the sintering process are improved.
Patent Information
- Application Number
- CN202420829783.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-05-30
- Estimated Expiration
- 2034-04-19
AI Technical Summary
The existing graphite furnace door uses a tendon bracket, which causes the thermal expansion, cold shrinkage, soft felt to fall and deform during the sintering process. The furnace door cannot be closed, and the fire oxidation phenomenon occurs, and the furnace door cannot be adjusted according to requirements.
A graphite furnace door bracket is designed, adopting structures such as hinge seat, hinge seat, transverse arm, fixing plate, screw and insulation layer. The up and down adjustment of the transverse arm is achieved through the synergistic effect of the hinge seat and the hinge seat, and the left and right adjustment is achieved through the synergistic effect of the second hinge seat and the fixed plate, and the sealing ability is ensured through the synergistic effect of mica board, graphite hard felt board and graphite soft felt.
The flexible adjustment of the transverse arm is achieved, ensuring the sealing of the furnace door, avoiding the phenomenon of fire-off oxidation, and improving the stability and efficiency of the sintering process.
Smart Images
Figure CN222925969U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of graphite furnaces, in particular to a graphite furnace door bracket. Background Art
[0002] The graphitization furnace is mainly used for high-temperature treatment of carbon materials such as sintering and graphitization, PI film graphitization, thermal conductive material graphitization, sintering of carbon fiber ropes, sintering and graphitization of carbon fiber filaments, purification of graphite powder, and other materials that can be graphitized in a carbon environment; its operating temperature is as high as 3000 °C, with high production efficiency and energy saving. The existing graphite furnace door uses a foot tendon bracket to fix the laminated soft felt. During the sintering process, the soft felt will sag and deform due to thermal expansion and contraction, and the graphite soft felt of the furnace door and the graphite soft felt of the furnace body cannot be sealed, resulting in fire leakage and oxidation. At the same time, the furnace door cannot be adjusted according to requirements. Summary of the Invention
[0003] The technical problem to be solved by the utility model is to provide a graphite furnace door bracket to solve the above problems.
[0004] The technical solution of the utility model to solve the above technical problems is: a graphite furnace door bracket, including a hinge seat, the upper and lower ends of the hinge seat are connected to the first hinge seat by screws, the first hinge seat is connected to a horizontal rotating arm through a first rotating shaft, the horizontal rotating arm is connected to a second hinge seat through a second rotating shaft, the second hinge seat is connected to a fixing plate by a screw rod, the fixing plate is connected with a connecting rod through a fixing rod, angle steels are fixedly installed on both the fixing rod and the connecting rod, and the angle steel is connected with a heat preservation layer.
[0005] As a preferred technical solution of the utility model, a number of equally spaced first screw holes are opened on the hinge seat, and the first screw holes are in fit connection with the screws.
[0006] As a preferred technical solution of the utility model, a number of equally spaced second screw holes are opened on the fixing plate, and the second screw holes are in fit connection with the screw rod.
[0007] As a preferred technical solution of the utility model, the heat preservation layer includes a mica plate, a graphite hard felt plate and a graphite soft felt, and the mica plate is connected with the graphite soft felt through the graphite hard felt plate.
[0008] As a preferred technical solution of the utility model, the numbers of layers of the mica plate, the graphite hard felt plate and the graphite soft felt are 1, 5, and 15 respectively.
[0009] As a preferred technical solution of the utility model, a support rod is fixedly installed between adjacent fixing rods and connecting rods.
[0010] As a preferred technical solution of the present utility model, buckles are fixedly connected to the ends of the fixed rod and the connecting rod.
[0011] After the present utility model adopts such a structure, the following technical effects are achieved:
[0012] 1. Through the synergistic effect of the hinge seat and the first hinge seat, the transverse turning arm can achieve the up-and-down adjustment function;
[0013] 2. Through the synergistic effect of the second hinge seat and the fixed plate, the transverse turning arm can achieve the left-and-right adjustment function;
[0014] 3. By the synergistic effect of mica plate, graphite hard felt board and graphite soft felt, it has the characteristics of not being easily deformed and good door closing sealing. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is the front view of a graphite furnace door bracket of the present utility model.
[0016] Figure 2 is the rear view of a graphite furnace door bracket of the present utility model.
[0017] Figure 3 is the structural schematic diagram of the heat preservation layer.
[0018] In the figure: 1 is the hinge seat, 2 is the first hinge seat, 3 is the transverse turning arm, 4 is the second hinge seat, 5 is the fixed plate, 6 is the fixed rod, 7 is the connecting rod, 8 is the angle steel, 9 is the support rod, 10 is the heat preservation layer, 11 is the buckle, 12 is the mica plate, 13 is the graphite hard felt board, and 14 is the graphite soft felt. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0019] The present utility model will be further described in detail below with reference to the drawings and specific embodiments.
[0020] As Figures 1 - 2 shown, a graphite furnace door bracket of the present utility model includes a hinge seat 1. The upper and lower ends of the hinge seat 1 are connected to the first hinge seat 2 by screws. The first hinge seat 2 is connected to the transverse turning arm 3 by a first rotating shaft. The transverse turning arm 3 is connected to the second hinge seat 4 by a second rotating shaft. The second hinge seat 4 is connected to the fixed plate 5 by a screw rod. The fixed plate 5 is connected with a connecting rod 7 through a fixed rod 6. Angle steels 8 are fixedly installed on both the fixed rod 6 and the connecting rod 7. The angle steels 8 are connected with a heat preservation layer 10. The transverse turning arm 3 can be adjusted up and down on the hinge seat 1 through the first hinge seat 2, or can be adjusted left and right on the hinge seat 1 through the second hinge seat 4 on the fixed plate 5. Only by adjusting the first hinge seat 2 and the second hinge seat 4 can the most suitable production requirements be adjusted. The angle steels 8 can support and limit the heat preservation layer 10, which is convenient and efficient to use and has good practicability.
[0021] A further solution of the present utility model is that a plurality of first screw holes arranged at equal intervals are formed in the hinge seat 1, and the first screw holes are connected in cooperation with screws. Through the synergistic effect of the hinge seat 1 and the first hinge seat 2, the horizontal turning arm 3 can realize the up-and-down adjustment function, which is convenient and efficient to use and has good practicability.
[0022] A further solution of the present utility model is that a plurality of second screw holes arranged at equal intervals are formed in the fixing plate 5, and the second screw holes are connected in cooperation with screw rods. Through the synergistic effect of the second hinge seat 4 and the fixing plate 5, the horizontal turning arm 3 can realize the left-and-right adjustment function, which is convenient and efficient to use and has good practicability.
[0023] As Figure 3 shown, a further solution of the present utility model is that the heat insulation layer 10 includes a mica plate 12, a graphite hard felt plate 13 and a graphite soft felt 14, and the mica plate 12 is connected to the graphite soft felt 14 through the graphite hard felt plate 13; the mica plate 12 is connected to the fixing rod 6 and the connecting rod 7 through stainless steel, the graphite hard felt plate 13 is connected to the mica plate 12 through a carbon-carbon screw rod, and the graphite soft felt 14 is sewn to the graphite hard felt plate 13; preferably, the numbers of layers of the mica plate 12, the graphite hard felt plate 13 and the graphite soft felt 14 are 1, 5 and 15 respectively. The existing heat insulation layer is composed of 1 layer of mica plate and 20 layers of graphite soft felt. During the sintering process, the soft felt will sag and deform due to thermal expansion and contraction, and the graphite soft felt of the furnace door and the graphite soft felt of the furnace body cannot be sealed; while the heat insulation layer 10 of this solution composed of 1 layer of mica plate 12, 5 layers of graphite hard felt plates 13 and 15 layers of graphite soft felt 14 has the characteristics of not being easily deformed and good door closing sealing.
[0024] A further solution of the present utility model is that a support rod 9 is fixedly installed between the adjacent fixing rod 6 and the connecting rod 7. The support rod 9 enhances the support strength of the fixing rod 6 and the connecting rod 7, and can further improve the stability of the bracket.
[0025] A further solution of the present utility model is that buckles 11 are fixedly connected to the ends of the fixing rod 6 and the connecting rod 7. The buckles 11 can be buckled with the locks in the graphite furnace, and can further improve the stability of the bracket.
[0026] The description and application of the present utility model here are illustrative, and it is not intended to limit the scope of the present utility model to the above embodiments. The deformations and changes of the embodiments disclosed here are possible, and the actual replacements and equivalent various components for those of ordinary skill in the art are well known. Those skilled in the art should clearly understand that the present utility model can be implemented in other forms, structures, arrangements, proportions, and with other elements, materials, and components without departing from the spirit or essential characteristics of the present utility model. Without departing from the spirit or essential characteristics of the present utility model, other deformations and changes can be made to the embodiments disclosed here.
Claims
1. A graphite furnace door bracket, characterized in that: The hinge seat (1) comprises a hinge seat (1), wherein the upper and lower ends of the hinge seat (1) are connected to a first hinge seat (2) by means of screws, the first hinge seat (2) is connected to a lateral rotation arm (3) by means of a first rotating shaft, the lateral rotation arm (3) is connected to a second hinge seat (4) by means of a second rotating shaft, the second hinge seat (4) is connected to a fixed plate (5) by means of a screw, the fixed plate (5) is connected to a connecting rod (7) by means of a fixed rod (6), angle steels (8) are fixedly mounted on the fixed rods (6) and the connecting rods (7), and the angle steels (8) are connected to a thermal insulation layer (10).
2. The graphite furnace door bracket according to claim 1, characterized in that: The hinge seat (1) is provided with a plurality of first screw holes arranged at equal intervals, and the first screw holes are connected in cooperation with screws.
3. The graphite furnace door bracket according to claim 1 is characterized in that: The fixing plate (5) is provided with a plurality of second screw holes arranged at equal intervals, and the second screw holes are connected in cooperation with the screw rods.
4. The graphite furnace door bracket according to claim 1 is characterized in that: The thermal insulation layer (10) comprises a mica plate (12), a graphite hard felt plate (13) and a graphite soft felt (14), and the mica plate (12) is connected to the graphite soft felt (14) via the graphite hard felt plate (13).
5. The graphite furnace door bracket according to claim 4 is characterized in that: The number of layers of the mica plate (12), the graphite hard felt plate (13) and the graphite soft felt (14) are 1, 5 and 15 respectively.
6. The graphite furnace door bracket according to claim 1, characterized in that: A support rod (9) is fixedly installed between the adjacent fixing rods (6) and connecting rods (7).
7. The graphite furnace door bracket according to claim 1 is characterized in that: The ends of the fixing rod (6) and the connecting rod (7) are both fixedly connected with buckles (11).