CN216558300U - Opening and closing heat insulation door and sintering furnace thereof - Google Patents
Opening and closing heat insulation door and sintering furnace thereof Download PDFInfo
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- CN216558300U CN216558300U CN202123286465.2U CN202123286465U CN216558300U CN 216558300 U CN216558300 U CN 216558300U CN 202123286465 U CN202123286465 U CN 202123286465U CN 216558300 U CN216558300 U CN 216558300U
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Abstract
The utility model discloses an open-close heat insulation door and a sintering furnace thereof, relating to the technical field of sintering furnaces and comprising: the heat insulation door is used for covering the heat insulation barrel; the sealing box door is fixed on the heat insulation door and used for covering the sealing box; the heat insulation door is fixed on the heat insulation material fixing frame, and the sealing door and the heat insulation material fixing frame are respectively positioned on two sides of the heat insulation door; the first end of the first push ring is hinged to the heat insulation material fixing frame; the first end of the second pushing ring is hinged to the heat insulation material fixing frame; the rotating shaft fixing seat is fixed on the furnace door welding plate; the second end of the second push ring is fixed on the connecting plate, and the first end of the connecting plate is hinged to the rotating shaft fixing seat; and the actuating mechanism can do linear telescopic motion, and the telescopic end of the actuating mechanism is hinged to the second end of the connecting plate. The utility model can increase the opening of the heat insulation door, thereby improving the cooling effect of the sintering furnace.
Description
Technical Field
The utility model relates to the technical field of sintering furnaces, in particular to an opening and closing heat insulation door and a sintering furnace thereof.
Background
When the sintering furnace is used for heat preservation or cooling, most sintering furnace manufacturers adopt an openable heat insulation door, but due to the limitation of the stroke of an actuating mechanism (such as a cylinder), the opening distance of the heat insulation door is quite limited, and front and rear doors of a sealing box of most sintering furnaces cannot be opened and closed, so that the cooling effect is poor.
In the conventional technology, in order to improve the cooling effect, a heat dissipation mechanism such as a heat exchanger or a fan is generally required to be connected into a forced cooling system, so that the structure of a furnace body is relatively complex, the installation and the maintenance are not easy, and the cost is increased. In addition, the sintering of some materials such as TiC and the like needs to ensure the purity of the sintering atmosphere, and the impurities in the gas are prevented from reacting with the product to influence the product quality, so that heat exchangers such as fans and the like cannot be used, the heat exchangers need to be cooled in a vacuum radiation mode, and the sintering furnace has higher requirements on the opening and closing size of a heat insulation door to realize quick cooling.
Therefore, there is a high necessity for a new type of insulated door in the market to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an opening and closing heat insulation door and a sintering furnace thereof, which are used for solving the technical problems in the prior art, and can increase the opening degree of the heat insulation door and improve the cooling effect of the sintering furnace.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model discloses an opening and closing heat insulation door, comprising:
the heat insulation door is used for covering the heat insulation barrel;
the sealing box door is fixed on the heat insulation door and used for covering the sealing box;
the heat insulation door is fixed on the heat insulation material fixing frame, and the sealing door and the heat insulation material fixing frame are respectively positioned on two sides of the heat insulation door;
the first end of the first push ring is hinged to the heat insulation material fixing frame;
the first end of the second push ring is hinged to the heat insulation material fixing frame;
the rotating shaft fixing seat is fixed on the furnace door welding plate;
the second end of the second push ring is fixed on the connecting plate, and the first end of the connecting plate is hinged to the rotating shaft fixing seat;
the actuating mechanism can do linear telescopic motion, and the telescopic end of the actuating mechanism is hinged to the second end of the connecting plate.
Preferably, the first push ring and the second push ring are both in a semicircular structure;
two ends of the first push ring are respectively hinged to two sides of the heat insulation material fixing frame, and the middle part of the first push ring is hinged to the rotating shaft fixing seat;
two ends of the second pushing ring are respectively hinged to two sides of the heat insulation material fixing frame, and the middle of the second pushing ring is hinged to the rotating shaft fixing seat through the connecting plate.
Preferably, the middle part of the first push ring is fixed at the first end of the connecting seat, and the second end of the connecting seat is hinged on the rotating shaft fixing seat.
Preferably, the actuating mechanism is a cylinder;
the telescopic end of the actuating mechanism is fixed at the first end of the connecting shaft, and the second end of the connecting shaft is hinged to the second end of the connecting plate.
Preferably, a limit bolt is fixed on the heat insulation material fixing frame;
the furnace door is provided with a limiting column, and the limiting bolt can abut against the limiting column.
The embodiment also provides a sintering furnace, including the switching insulated door, still include:
the furnace body is provided with openings at two ends;
the two furnace doors can be respectively detachably connected to two ends of the furnace body, the number of the opening and closing heat insulation doors is two, and each opening and closing heat insulation door is fixed on one furnace door;
the sealing box is fixed in the furnace body;
the heat insulation cylinder is fixed on the outer side of the sealing box;
the furnace body and the side wall of the furnace door are both provided with the water-cooling jacket, and the water-cooling jacket is provided with a water inlet and a water outlet.
Preferably, the oven door further comprises a fan and an air duct, wherein the fan and the air duct are fixed on the oven door;
the air duct is fixed on the furnace door provided with the fan, and a cold air channel is arranged between the outer wall of the air duct and the inner wall of the furnace door.
Preferably, a heat exchanger is arranged on the furnace door.
Compared with the prior art, the utility model has the following technical effects:
1. the structure is simple, the manufacturing cost is low, the installation requirement is low, and the working hours are saved;
2. the opening and closing distance between the sealing box door and the heat insulation door is large (about 5 times of the existing furnace type), and sufficient space is provided for the air flow heat exchange of a forced cooling system;
3. because the first push ring and the second push ring have larger radiuses and longer force arms, the actuating mechanisms (such as air cylinders, hydraulic cylinders, electric cylinders and the like, and specific mechanisms are not limited) with small strokes can realize large opening and closing distances, and the small strokes of the actuating mechanisms mean low cost, more compact structure and more convenient installation or maintenance;
4. the heat insulation door and the sealing box door are opened simultaneously, so that the cooling mode is more direct, and the cooling effect is more obvious;
5. when vacuum radiation cooling is adopted, the opening and closing distance between the sealing box door and the heat insulation door is large, and the cooling efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is an exploded view of a structure for opening and closing an insulated door according to an embodiment of the present invention;
FIG. 2 is a schematic view illustrating a closed state of the heat-insulating door according to the embodiment of the present invention;
FIG. 3 is a schematic view showing an opened state of an opening/closing heat-insulating door according to an embodiment of the present invention;
FIG. 4 is a view showing a connection relationship between the rotating shaft holders for opening and closing the thermal insulation door according to the embodiment of the present invention;
FIG. 5 is a schematic view of a sintering furnace including an opening/closing heat-insulating door according to an embodiment of the present invention, in a radiation heat-radiating manner;
FIG. 6 is a schematic view of a sintering furnace including an opening/closing heat-insulating door according to an embodiment of the present invention, in which heat is dissipated by convection;
FIG. 7 is a schematic view of a convection + heat exchanger heat removal system in a sintering furnace including an open and closed insulated door according to an embodiment of the present invention;
in the figure: 1. a connecting seat; 2. a first push ring; 3. a rotating shaft fixing seat; 4. a connecting plate; 5. a second push ring; 6. an actuator; 7. a connecting shaft; 8. a limiting column; 9. a limit bolt; 10. a heat insulation material fixing frame; 11. a heat-insulating door; 12. sealing the box door; 13. a bolt; 14. a heat insulating cylinder; 15. a sealing box; 16. a furnace door; 17. an air duct; 18. a wind-proof plate; 19. a heat exchanger; 20. a fan.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model aims to provide an opening and closing heat insulation door and a sintering furnace thereof, which are used for solving the technical problems in the prior art, and can increase the opening degree of the heat insulation door and improve the cooling effect of the sintering furnace.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The first embodiment,
As shown in fig. 1 to 4, the present embodiment provides an opening and closing heat-insulating door, including:
the heat insulation door 11 is in a circular structure and matched with the opening shape of the heat insulation cylinder 14, and the heat insulation door 11 is used for covering the heat insulation cylinder 14;
the sealing box door 12 is also of a circular structure, the diameter of the sealing box door 12 is smaller than that of the heat insulation door 11, the sealing box door 12 is fixed on the heat insulation door 11 through a high-temperature-resistant bolt 13, and the sealing box door 12 is used for covering the sealing box 15;
the heat insulation door comprises a heat insulation material fixing frame 10, a heat insulation door 11 is fixed on the heat insulation material fixing frame 10, and a sealing door 12 and the heat insulation material fixing frame 10 are respectively positioned at two sides of the heat insulation door 11;
a first end (lower end in the figure) of the first push ring 2 is hinged on the heat insulation material fixing frame 10;
a first end (lower end in the figure) of the second push ring 5 is hinged on the heat insulation material fixing frame 10;
the rotating shaft fixing seat 3 is fixed on the lower surface of a welding plate of the furnace door 16, the upper surface of the welding plate of the furnace door 16 is fixed on the inner wall of the furnace door 16, and the second end of the first push ring 2 is hinged to the rotating shaft fixing seat 3 through a rotating shaft;
as for the specific structure of the connecting plate 4, as shown in fig. 1, the connecting plate 4 comprises a bottom plate and a side plate, the bottom plate is used for being fixed with the second push ring 5 through screws, and the side plate is provided with two connecting through holes which are respectively used for connecting the rotating shaft fixing seat 3 and the actuating mechanism 6;
and the actuating mechanism 6 can make linear telescopic motion, and the telescopic end of the actuating mechanism 6 is hinged to the second end of the connecting plate 4.
When in use, the actuating mechanism 6 makes linear telescopic motion, so as to drive the second end of the connecting plate 4 to make linear motion, and the second end moves up and down in comparison with the figures 2-3. When the actuator 6 moves downward, the second end of the connecting plate 4 is moved downward, and the first end (right end in the figure) of the connecting plate 4 moves upward. The first pushing ring 2 and the second pushing ring 5 drive the heat insulation material fixing frame 10 to be close to the sealing box 15, and the sealing box door 12 and the heat insulation door 11 are fixedly connected and fixed on the heat insulation material fixing frame 10, so that the heat insulation material fixing frame 10 drives the heat insulation door 11 and the sealing box door 12 to be close to the heat insulation barrel 14. The sealing box door 12 covers the sealing box 15 until the heat insulation door 11 covers the heat insulation barrel 14, so that the sealing box door can close. If want to open insulated door 11 and sealing box door 12, only need control actuating mechanism 6 upward movement, make first pushing away circle 2 and second pushing away circle 5 drive insulating material mount 10 and keep away from seal box 15 through connecting plate 4, insulating material mount 10 drives sealing box door 12 and insulated door 11 and keeps away from heat-insulating cylinder 14 to realize the technological effect of the opening of sealing box door 12 and insulated door 11.
In this embodiment, the first push ring 2 and the second push ring 5 are both in a semicircular structure, and the first push ring 2 and the second push ring 5 are made of stainless steel;
two ends of the first push ring 2 are respectively hinged to two sides of the heat insulation material fixing frame 10, and the middle part of the first push ring 2 is hinged to the rotating shaft fixing seat 3;
the two ends of the second pushing ring 5 are respectively hinged to the two sides of the heat insulation material fixing frame 10, a connecting through hole is formed in the middle of the second pushing ring 5, the middle of the second pushing ring 5 is fixed onto the connecting plate 4 through screws, and the connecting plate 4 is hinged onto the rotating shaft fixing seat 3.
In this embodiment, the middle part of the first pushing ring 2 is also provided with a connecting through hole, the middle part of the first pushing ring 2 is fixed at the first end of the connecting seat 1 through a screw, the second end of the connecting seat 1 is provided with a hinged through hole, and the second end of the connecting seat 1 is hinged on the rotating shaft fixing seat 3 through a rotating shaft. First ring 2 that pushes away realizes being connected with the rotation of pivot fixing base 3 through connecting seat 1.
In this embodiment, the actuator 6 is a cylinder, and those skilled in the art may replace the actuator with a hydraulic cylinder or other telescopic devices;
the flexible end of cylinder is fixed with the first end (upper end in the figure) of connecting axle 7, and the second end of connecting axle 7 is equipped with articulated through-hole, and the second end of connecting axle 7 articulates the second end in connecting plate 4 through the pivot.
In this embodiment, the heat insulating material fixing frame 10 is fixed with four limit bolts 9, and the number of the limit bolts 9 is specifically four;
the oven door 16 is provided with four limit columns 8, the number of the limit columns 8 is four, the distribution positions of the limit columns correspond to those of the limit bolts 9, and the limit bolts 9 can abut against the limit columns 8.
When the heat insulation door 11 is opened, the heat insulation door 11 moves towards the oven door 16, and in order to avoid the overlarge movement range, the limit column 8 is needed to limit the heat insulation door 11. When the limit bolt 9 abuts against the limit column 8, the heat insulation door 11 and the sealing box door 12 will not move any more.
Example II,
This embodiment also provides a sintering furnace, the structure of which includes the open/close heat insulation door structure of the first embodiment, and the difference is that the sintering furnace further includes:
the furnace body is provided with openings at two ends;
two furnace doors 16 are provided, the two furnace doors 16 can be respectively detachably connected with openings at two ends of the furnace body, two open-close heat insulation doors are provided, and each open-close heat insulation door is fixed on one furnace door 16;
the sealing box 15, the sealing box 15 is fixed in the furnace body, the sealing box 15 is the effective working area;
a heat insulation cylinder 14, wherein the heat insulation cylinder 14 is fixed on the outer side of the seal box 15, the heat insulation cylinder 14 is of a cylindrical structure, and two ends of the heat insulation cylinder are opened;
the side walls of the furnace body and the furnace door 16 are provided with water cooling jackets, the water cooling jackets are provided with a water inlet and a water outlet, and the inner walls of the furnace body and the furnace door 16 are all at lower temperature through the water cooling jackets for cooling the interior of the furnace body.
In the present embodiment, the following are mainly aimed at: some products of materials have higher requirements on the purity of the atmosphere in the sintering and cooling processes, no redundant gas should be in the furnace, and a radiation heat dissipation mode is adopted. Radiation heat dissipation is a way to transfer heat from a high temperature object to an external low temperature object by radiation. As shown in fig. 5 (the fan 20 is not in operation): when the work in the seal box 15 is finished, heat dissipation is needed, and only the actuator 6 needs to be controlled, and the two heat insulation doors 11 and the seal box door 12 are opened, so that the heat inside the seal box 15 is dissipated outwards, and it needs to be noted that the inside of the sintering furnace is in a sealed state, the heat coming out of the seal box 15 is transferred to the inner walls of the furnace body and the furnace door 16, and at the moment, the water cooling jackets on the furnace body and the furnace door 16 absorb the heat and are conveyed out, so that the technical effect of heat dissipation is realized.
Example III,
This embodiment also provides a sintering furnace, which has a structure substantially the same as that of the second embodiment, except that:
in this embodiment, as shown in fig. 6, the oven further includes a fan 20 and an air duct 17, the number of the fan 20 may be one or more, in this embodiment, there is one fan 20, and the fan 20 and the air duct 17 are fixed on one oven door 16 (the oven door 16 on the right in the figure);
the air duct 17 is fixed on a furnace door 16 provided with a fan 20, and a cold air channel is arranged between the outer wall of the air duct 17 and the inner wall of the furnace door 16. The air baffle plate 18 is arranged at a place except the cold air channel, so that the air flow is more stable, and the influence of the air flow similar to a vortex shape on the heat dissipation effect is avoided.
When the sintered product has no special requirement on the purity of the atmosphere, a convection heat dissipation mode can be adopted. When the air cooling device is used, only the fan 20 needs to be turned on, the heat in the sealing box 15 and the air flow generated by the fan 20 form convection, cold air flows back into the sealing box 15 through the cold air channel, and the heat in the sealing box 15 is conveyed to the fan 20. Finally, the heat in the seal box 15 is taken away by cooling water in the water cooling jacket under the condition of forced convection of gas.
Example four,
This embodiment also provides a sintering furnace, which has a structure substantially the same as that of the third embodiment, except that:
in this embodiment, the heat exchangers 19 are disposed in the oven door where the blower is installed, and as for the number and the arrangement positions of the heat exchangers 19, those skilled in the art can select the heat exchangers according to the needs.
It should be noted that, when there are two fans 20, the heat exchanger 19 may be optionally omitted.
This is a heat dissipation manner of the convection + heat exchanger 19, and when the cool air is about to flow back into the hermetic container 15, the cooling effect can be further improved by passing through the heat exchanger 19.
It should be noted that the three heat dissipation manners described above can be used individually or in combination according to actual needs.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (8)
1. An opening and closing heat-insulating door, comprising:
the heat insulation door is used for covering the heat insulation barrel;
the sealing box door is fixed on the heat insulation door and used for covering the sealing box;
the heat insulation door is fixed on the heat insulation material fixing frame, and the sealing door and the heat insulation material fixing frame are respectively positioned on two sides of the heat insulation door;
the first end of the first push ring is hinged on the heat insulation material fixing frame;
the first end of the second push ring is hinged to the heat insulation material fixing frame;
the rotating shaft fixing seat is fixed on the furnace door welding plate;
the second end of the second push ring is fixed on the connecting plate, and the first end of the connecting plate is hinged on the rotating shaft fixing seat;
the actuating mechanism can do linear telescopic motion, and the telescopic end of the actuating mechanism is hinged to the second end of the connecting plate.
2. The opening-closing heat-insulating door according to claim 1, wherein: the first pushing ring and the second pushing ring are both of semicircular structures;
two ends of the first push ring are respectively hinged to two sides of the heat insulation material fixing frame, and the middle part of the first push ring is hinged to the rotating shaft fixing seat;
two ends of the second pushing ring are respectively hinged to two sides of the heat insulation material fixing frame, and the middle of the second pushing ring is hinged to the rotating shaft fixing seat through the connecting plate.
3. The opening-closing heat-insulating door according to claim 2, wherein: the middle part of the first push ring is fixed at the first end of the connecting seat, and the second end of the connecting seat is hinged on the rotating shaft fixing seat.
4. The opening-closing heat-insulating door according to claim 1, wherein: the actuating mechanism is an air cylinder;
the telescopic end of the actuating mechanism is fixed at the first end of the connecting shaft, and the second end of the connecting shaft is hinged to the second end of the connecting plate.
5. The opening-closing heat-insulating door according to claim 1, wherein: a limiting bolt is fixed on the heat insulation material fixing frame;
the furnace door is provided with a limiting column, and the limiting bolt can abut against the limiting column.
6. A sintering furnace comprising the opening and closing heat insulating door according to any one of claims 1 to 5, further comprising:
the furnace body is provided with openings at two ends;
the two furnace doors can be respectively detachably connected to two ends of the furnace body, the number of the opening and closing heat insulation doors is two, and each opening and closing heat insulation door is fixed on one furnace door;
the sealing box is fixed in the furnace body;
the heat insulation cylinder is fixed on the outer side of the sealing box;
the furnace body and the side wall of the furnace door are both provided with the water-cooling jacket, and the water-cooling jacket is provided with a water inlet and a water outlet.
7. Sintering furnace according to claim 6, characterized in that: the furnace door is characterized by also comprising a fan and an air guide cylinder, wherein the fan and the air guide cylinder are fixed on the furnace door;
the air duct is fixed on the furnace door provided with the fan, and a cold air channel is arranged between the outer wall of the air duct and the inner wall of the furnace door.
8. Sintering furnace according to claim 7, characterized in that: and a heat exchanger is arranged on the furnace door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123286465.2U CN216558300U (en) | 2021-12-24 | 2021-12-24 | Opening and closing heat insulation door and sintering furnace thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123286465.2U CN216558300U (en) | 2021-12-24 | 2021-12-24 | Opening and closing heat insulation door and sintering furnace thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216558300U true CN216558300U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123286465.2U Active CN216558300U (en) | 2021-12-24 | 2021-12-24 | Opening and closing heat insulation door and sintering furnace thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216558300U (en) |
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2021
- 2021-12-24 CN CN202123286465.2U patent/CN216558300U/en active Active
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Address after: No. 365, Xinxing 1st Road, Cixi hi tech Industrial Development Zone, Ningbo City, Zhejiang Province, 315300 Patentee after: Ningbo Hengpu Technology Co.,Ltd. Address before: No. 365, Xinxing 1st Road, Cixi hi tech Industrial Development Zone, Ningbo City, Zhejiang Province, 315300 Patentee before: Ningbo Hengpu Vacuum Technology Co.,Ltd. |