CN112708745A - Annealing furnace with uniformly heated inner part and heat insulation outer part - Google Patents
Annealing furnace with uniformly heated inner part and heat insulation outer part Download PDFInfo
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- CN112708745A CN112708745A CN202011482947.2A CN202011482947A CN112708745A CN 112708745 A CN112708745 A CN 112708745A CN 202011482947 A CN202011482947 A CN 202011482947A CN 112708745 A CN112708745 A CN 112708745A
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- box body
- fixedly connected
- annealing furnace
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
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- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses an annealing furnace with uniform internal heating and external heat insulation, which belongs to the technical field of heat treatment equipment and comprises a box body, wherein a sliding groove is formed in the inner wall of the box body, a supporting device is fixedly arranged in the box body, a heating device is arranged outside the supporting device, the inner wall of the heating device is movably connected with the outer wall of the supporting device, a rotating ring is arranged in the heating device, one end of a connecting plate is fixedly connected with the outer wall of the rotating ring, a sliding column is arranged at the other end of the connecting plate, the outer wall of the sliding column is slidably connected with the inner wall of the sliding groove, an installation block is fixedly arranged at one end, far away from the sliding groove, of the connecting plate, and. According to the invention, the heating device can uniformly heat the workpiece in the box body, so that the workpiece quality is improved, the circulating device can accelerate the air flow in the box body, the heat transfer in the heating process is promoted, and the uniform heating of the workpiece is facilitated.
Description
Technical Field
The invention belongs to the technical field of heat treatment equipment, and particularly relates to an annealing furnace with uniform internal heating and external heat insulation.
Background
Annealing is a heat treatment process for metals, which refers to slowly heating the metal to a certain temperature, holding for a sufficient time, and then cooling at a suitable rate. The purpose is to reduce hardness and improve machinability; the residual stress is reduced, the size is stabilized, and the deformation and crack tendency is reduced; refining grains, adjusting the structure and eliminating the structure defects. Specifically, annealing is a heat treatment process for materials, including metallic materials and non-metallic materials. And the annealing purpose of the new material is different from that of the traditional metal annealing. The annealing furnaces are classified into an electric heating furnace, a coal-fired annealing furnace, a fuel oil annealing furnace, a natural gas annealing furnace, a gas annealing furnace and the like according to heat sources, wherein the gas annealing furnace produced by a self-contained gas producer is most widely applied. The gas annealing kiln is provided with a combustion chamber, and the gas burner is directly used for jet combustion in the heating chamber. In order to reduce energy consumption, the gas annealing kiln is often provided with a heat exchange system to convert air into combustion-supporting hot air for supporting combustion of gas.
For example, in the annealing furnace disclosed in chinese patent CN201310387850.7, four heating silicon carbide rod units connected in parallel replace the electric heating wires to ensure the annealing effect, but the heating device is fixed in position and cannot circularly heat the periphery of the workpiece, so that the workpiece is heated unevenly, and therefore, there is a strong need in the market at the present stage for an annealing furnace with uniform internal heating and external heat insulation to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to: the annealing furnace has the advantages that the annealing furnace has certain defects when being used, although the annealing furnace has the functions of preventing the heating wires from being burnt in the air, prolonging the service life and the like, the heating device is fixed in position and cannot circularly heat the periphery of a workpiece, so that the workpiece is heated unevenly, and the annealing furnace with uniform internal heating and heat insulation outside is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the annealing furnace with the interior heated uniformly and the exterior insulated comprises a box body, wherein the inner wall of the box body is provided with a chute, a supporting device is fixedly arranged in the box body, a heating device is arranged outside the supporting device, the inner wall of the heating device is movably connected with the outer wall of the supporting device, the heating device comprises a rotating ring inside, the outer wall of the rotating ring is provided with a connecting plate, one end of the connecting plate is fixedly connected with the outer wall of the rotating ring, the other end of the connecting plate is provided with a sliding column, the outer wall of the sliding column is connected with the inner wall of the sliding chute in a sliding way, one end of the connecting plate far away from the chute is fixedly provided with an installation block, the outer wall of the installation block is fixedly connected with a fixed lug, the fixed lug's outside is provided with spacing post, the inner wall of spacing post and fixed lug's outer wall joint, the one end fixed mounting that fixed lug was kept away from to spacing post has the silicon carbon heating rod.
When using, rotatory ring drives the connecting plate and rotates, and the slip post on the connecting plate slides in the spout, makes the connecting plate steadily rotate, and the connecting plate drives the silicon carbon heating rod and rotates, can adjust the position of silicon carbon heating rod, heats the air around the work piece, avoids the work piece to be heated inhomogeneously, and spacing post and silicon carbon heating rod are connected to fixed lug and installing block, and the dismantlement of easy to assemble, the position of silicon carbon heating rod can be adjusted so that operating personnel in time overhauls the silicon carbon heating rod.
As a further description of the above technical solution:
the bearing device is characterized in that the inside of the bearing device comprises a clamping ring, the outer wall of the clamping ring is fixedly connected with the inner wall of the box body, a connecting shaft is arranged inside the clamping ring, the outer wall of the connecting shaft is fixedly connected with the inner wall of the clamping ring, and the two ends of the connecting shaft are movably connected with the inner wall of the rotating ring.
The clamping ring supports and fixes the connecting shaft, and the connecting shaft is connected with the fixed bearing platform.
As a further description of the above technical solution:
the outer wall fixed mounting of connecting axle has the bearing platform, the both ends of bearing platform are provided with the balancing post, the one end of balancing post and the outer wall fixed connection of bearing platform, the other end fixed mounting of balancing post has the go-between, the inner wall of go-between and the outer wall fixed connection of connecting axle.
The bearing platform is used for bearing the workpiece, the balance columns improve the stability of the bearing platform, the bearing platform is prevented from being inclined, the annealing effect of the workpiece is prevented from being influenced, and the connecting ring is further fixed to the bearing platform through the balance columns.
As a further description of the above technical solution:
the outer wall swing joint of bearing device has circulating device, circulating device's inside includes the transmission ring, the outer wall of transmission ring is provided with the driving plate, the one end of driving plate and the outer wall fixed connection of transmission ring, the other end of driving plate is provided with the mount table, the one end of mount table and the outer wall fixed connection of driving plate.
The driving ring drives the driving plate to rotate, and further drives the mounting table to rotate.
As a further description of the above technical solution:
the other end swing joint of mount table has the regulating spindle, the outer wall movable mounting of regulating spindle has rotatory sleeve, the one end fixed mounting that the mount table was kept away from to the regulating spindle has the installation axle, rotatory telescopic outside is provided with the concave station, the outer wall and the rotatory sleeve outer wall fixed connection of concave station, the inner wall fixed mounting of concave station has control shaft one.
The rotary sleeve rotates outside the adjusting shaft to drive the concave table to rotate.
As a further description of the above technical solution:
the outer wall movable mounting of control shaft one has blade one, the one end that control shaft one was kept away from to blade one is provided with control shaft two, the outer wall of control shaft two and the inner wall swing joint of blade one, the both ends of control shaft two are provided with the connecting block, the inner wall of connecting block and the outer wall fixed connection of control shaft two, the outside of connecting block is provided with blade two, the outer wall of blade two and the outer wall fixed connection of connecting block.
The angle of the first blade is adjusted through the rotation of the first control shaft, and the angle of the second blade is adjusted through the second control shaft, so that the air flow is accelerated.
As a further description of the above technical solution:
the top fixed mounting of box has ventilation unit, ventilation unit's inside includes the ventilation shell, the outer wall of ventilation shell and the inner wall fixed connection of box, the inner wall movable mounting of ventilation shell has the guiding axle, the outer wall fixed mounting of guiding axle has the water conservancy diversion flabellum, the top fixed mounting of ventilation shell has the filter mantle.
The guide fan blades rotate under the driving of the guide shaft, the flow of air inside the box body and outside air is accelerated, and the filter cover prevents smoke in the box body from being directly discharged to the outside to pollute the air.
As a further description of the above technical solution:
the outside of ventilation shell is provided with thermal-insulated shell, the inner wall of thermal-insulated shell and the outer wall swing joint of ventilation shell, the top movable mounting of thermal-insulated shell has the movable cover.
The heat insulating shell prevents heat loss from the ventilating device during heating, improves the sealing performance of the box body, improves the heating efficiency, and the movable cover is opened during ventilation and heat dissipation.
As a further description of the above technical solution:
the outer wall of box is provided with fixed lid, the one end of fixed lid and the outer wall fixed connection of box, the inner wall joint of fixed lid has the bin gate of getting, the inner wall fixed mounting of fixed lid has the sealing strip, the outer wall fixed mounting who gets the bin gate has the handle.
The sealing strip prevents that the heat scatters and disappears, improves heating efficiency, gets through getting the material door and gets the work piece.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the silicon carbide heating device, the workpieces can be uniformly heated under the mutual matching of the designed structures in the heating device, when the silicon carbide heating device is used, the rotating ring drives the connecting plate to rotate, the sliding columns on the connecting plate slide in the sliding grooves, so that the connecting plate stably rotates, the connecting plate drives the silicon carbide heating rod to rotate, the position of the silicon carbide heating rod can be adjusted, air around the workpieces is heated, the workpieces are prevented from being heated unevenly, the heating efficiency is improved, and the position of the silicon carbide heating rod can be adjusted so that an operator can overhaul the silicon carbide heating rod in time.
2. According to the invention, through the mutual matching of the structures in the designed circulating devices, the air flow can be accelerated, the heat transfer during heating is facilitated, the air temperature in the box body is uniform, the workpiece heating efficiency is improved, the air flow in the box body and the external air flow can be accelerated during cooling, the cooling is accelerated, the transmission ring drives the transmission plate to rotate, the mounting table rotates, the rotary sleeve rotates to drive the first blade and the second blade to rotate, and the extension angles of the first blade and the second blade are adjusted by using the first control shaft and the second control shaft according to the use condition.
3. According to the invention, through the mutual matching of the structures in the designed ventilation device, when the temperature is reduced in the annealing process, the circulation device continuously operates to accelerate heat dissipation, the ventilation device can further accelerate temperature reduction, the movable cover is opened during temperature reduction, the guide fan blades rotate to accelerate the flow of air inside the box body and outside air, the filter cover prevents smoke in the box body from being directly exhausted to the outside to pollute the air, the heat insulation shell and the sealing strip prevent heat loss during heating, and the sealing performance of the box body is improved.
Drawings
FIG. 1 is a schematic perspective view of an annealing furnace according to the present invention, which is uniformly heated inside and insulated from outside;
FIG. 2 is a schematic view showing a structure of a portion of an annealing furnace to which uniform internal heating and external heat insulation are applied, from which a fixed cover is removed;
FIG. 3 is a schematic sectional view showing an annealing furnace according to the present invention, which is uniformly heated inside and insulated from outside;
FIG. 4 is a schematic perspective view of a portion of a heating apparatus of the annealing furnace of the present invention, which is uniformly heated inside and insulated outside;
FIG. 5 is an enlarged schematic view of the annealing furnace of FIG. 4A, in which the inside is uniformly heated and the outside is thermally insulated.
Illustration of the drawings:
in the figure: 1. a box body; 2. a chute; 3. a supporting device; 301. a snap ring; 302. a connecting shaft; 303. a support platform; 304. a balancing column; 305. a connecting ring; 4. a heating device; 401. a rotating ring; 402. a connecting plate; 403. a sliding post; 404. mounting blocks; 405. fixing the bump; 406. a limiting column; 407. a silicon carbon heating rod; 5. a circulation device; 501. a drive ring; 502. a drive plate; 503. an installation table; 504. rotating the sleeve; 505. a concave platform; 506. a first control shaft; 507. a first blade; 508. a second control shaft; 509. connecting blocks; 510. a second blade; 511. installing a shaft; 6. a ventilation device; 601. a ventilated casing; 602. a guide vane; 603. a filter housing; 604. a thermally insulating shell; 605. a movable cover; 7. a fixed cover; 8. a material taking door; 9. a sealing strip.
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.
Referring to fig. 1-5, the present invention provides a technical solution: inside even and outside thermal-insulated annealing stove of being heated, including box 1, spout 2 has been seted up to the inner wall of box 1, the inside fixed mounting of box 1 has supporting device 3, supporting device 3's outside is provided with heating device 4, heating device 4's inner wall and supporting device 3's outer wall swing joint, heating device 4's inside includes rotatory ring 401, rotatory ring 401's outer wall is provided with connecting plate 402, the one end of connecting plate 402 and rotatory ring 401's outer wall fixed connection, the other end of connecting plate 402 is provided with sliding column 403, sliding column 403's outer wall and spout 2's inner wall sliding connection, connecting plate 402 keeps away from the one end fixed mounting of spout 2 and has installation block 404, installation block 404 outer wall fixedly connected with fixed lug 405, the outside of fixed lug 405 is provided with spacing post 406, the inner wall and the outer wall joint of fixed lug 405 of spacing post 406, the one end fixed mounting that fixed lug 405 was.
Specifically, as shown in fig. 4, the supporting device 3 includes a clamping ring 301 inside, an outer wall of the clamping ring 301 is fixedly connected to an inner wall of the box body 1, a connecting shaft 302 is disposed inside the clamping ring 301, an outer wall of the connecting shaft 302 is fixedly connected to the inner wall of the clamping ring 301, and two ends of the connecting shaft 302 are movably connected to an inner wall of the rotating ring 401.
Specifically, as shown in fig. 4, a supporting platform 303 is fixedly installed on an outer wall of the connecting shaft 302, two ends of the supporting platform 303 are provided with a balance column 304, one end of the balance column 304 is fixedly connected with the outer wall of the supporting platform 303, the other end of the balance column 304 is fixedly installed with a connecting ring 305, and an inner wall of the connecting ring 305 is fixedly connected with the outer wall of the connecting shaft 302.
Specifically, as shown in fig. 4, the outer wall of the supporting device 3 is movably connected with a circulating device 5, the inside of the circulating device 5 includes a driving ring 501, a driving plate 502 is disposed on the outer wall of the driving ring 501, one end of the driving plate 502 is fixedly connected with the outer wall of the driving ring 501, the other end of the driving plate 502 is provided with an installation table 503, and one end of the installation table 503 is fixedly connected with the outer wall of the driving plate 502.
Specifically, as shown in fig. 4, the other end of the mounting platform 503 is movably connected with an adjusting shaft, the outer wall of the adjusting shaft is movably mounted with a rotating sleeve 504, one end of the adjusting shaft far away from the mounting platform 503 is fixedly mounted with a mounting shaft 511, the outer part of the rotating sleeve 504 is provided with a concave platform 505, the outer wall of the concave platform 505 is fixedly connected with the outer wall of the rotating sleeve 504, and the inner wall of the concave platform 505 is fixedly mounted with a first control shaft 506.
Specifically, as shown in fig. 4 to 5, a first vane 507 is movably mounted on the outer wall of the first control shaft 506, a second control shaft 508 is arranged at one end of the first vane 507, which is far away from the first control shaft 506, the outer wall of the second control shaft 508 is movably connected with the inner wall of the first vane 507, connecting blocks 509 are arranged at two ends of the second control shaft 508, the inner wall of the connecting blocks 509 is fixedly connected with the outer wall of the second control shaft 508, a second vane 510 is arranged outside the connecting blocks 509, and the outer wall of the second vane 510 is fixedly connected with the outer wall of the connecting blocks 509.
Specifically, as shown in fig. 1-3, a ventilation device 6 is fixedly mounted at the top of the box body 1, the ventilation device 6 includes a ventilation shell 601 inside, the outer wall of the ventilation shell 601 is fixedly connected with the inner wall of the box body 1, a flow guide shaft is movably mounted on the inner wall of the ventilation shell 601, flow guide fan blades 602 are fixedly mounted on the outer wall of the flow guide shaft, and a filter cover 603 is fixedly mounted at the top of the ventilation shell 601.
Specifically, as shown in fig. 3, a heat insulation shell 604 is disposed outside the ventilation shell 601, an inner wall of the heat insulation shell 604 is movably connected with an outer wall of the ventilation shell 601, and a movable cover 605 is movably mounted on a top of the heat insulation shell 604.
Specifically, as shown in fig. 1, the outer wall of the box body 1 is provided with a fixed cover 7, one end of the fixed cover 7 is fixedly connected with the outer wall of the box body 1, the inner wall of the fixed cover 7 is clamped with a material taking door 8, the inner wall of the fixed cover 7 is fixedly provided with a sealing strip 9, and the outer wall of the material taking door 8 is fixedly provided with a handle.
The working principle is as follows: when the annealing furnace is used, the material taking door 8 is opened by using a handle, a workpiece to be annealed is placed on the supporting platform 303, the material taking door 8 is closed, the clamping ring 301 supports and fixes the connecting shaft 302, the connecting shaft 302 is connected and fixed with the supporting platform 303, the connecting ring 305 further fixes the supporting platform 303 through the balance column 304, the balance column 304 improves the stability of the supporting platform 303, the supporting platform 303 is prevented from being inclined, the annealing effect of the workpiece is influenced, the rotating ring 401 drives the connecting plate 402 to rotate, the sliding column 403 on the connecting plate 402 slides in the sliding groove 2, the connecting plate 402 stably rotates, the connecting plate 402 drives the silicon carbon heating rod 407 to rotate, the periphery of the workpiece is uniformly heated, the workpiece is prevented from being heated unevenly, the sealing strip 9 and the heat insulation shell 604 are prevented from dissipating heat during heating, the sealing performance of the box body 1 is improved, the circulating device 5 can enable air in the box body 1 to, accelerate thermal transmission, make the air thermally equivalent, be convenient for to the work piece heating, driving ring 501 drives driving plate 502 and rotates, mount table 503 rotates, rotating sleeve 504 is rotatory, drive blade one 507 and two 510 rotations of blade, adjust the angle of blade one 507 and two 510 of blade through control shaft one 506 and two 508, the air flow accelerates, when cooling down in the annealing process, circulating device 5 lasts the operation and can accelerate the heat dissipation, open movable cover 605 simultaneously, guide vane 602 rotates, the flow of the inside air of box 1 and outside air accelerates, filter mantle 603 avoids the direct external world of discharging of flue gas in the box 1, contaminated air.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The annealing furnace with the interior uniformly heated and the exterior heat-insulated comprises a box body (1) and is characterized in that a sliding groove (2) is formed in the inner wall of the box body (1), a supporting device (3) is fixedly mounted in the box body (1), a heating device (4) is arranged outside the supporting device (3), the inner wall of the heating device (4) is movably connected with the outer wall of the supporting device (3), a rotating ring (401) is arranged in the heating device (4), a connecting plate (402) is arranged on the outer wall of the rotating ring (401), one end of the connecting plate (402) is fixedly connected with the outer wall of the rotating ring (401), a sliding column (403) is arranged at the other end of the connecting plate (402), the outer wall of the sliding column (403) is slidably connected with the inner wall of the sliding groove (2), and a mounting block (404) is fixedly mounted at one end, far away from the sliding groove, the fixed lug (405) of installation piece (404) outer wall fixedly connected with, the outside of fixed lug (405) is provided with spacing post (406), the inner wall of spacing post (406) and the outer wall joint of fixed lug (405), the one end fixed mounting that fixed lug (405) was kept away from in spacing post (406) has silicon carbon heating rod (407).
2. The annealing furnace with uniform internal heating and external thermal insulation according to claim 1, characterized in that the supporting device (3) comprises a clamping ring (301) inside, the outer wall of the clamping ring (301) is fixedly connected with the inner wall of the box body (1), a connecting shaft (302) is arranged inside the clamping ring (301), the outer wall of the connecting shaft (302) is fixedly connected with the inner wall of the clamping ring (301), and the two ends of the connecting shaft (302) are movably connected with the inner wall of the rotating ring (401).
3. The annealing furnace with uniform internal heating and external thermal insulation according to claim 2, wherein a supporting platform (303) is fixedly installed on the outer wall of the connecting shaft (302), balancing columns (304) are arranged at two ends of the supporting platform (303), one ends of the balancing columns (304) are fixedly connected with the outer wall of the supporting platform (303), a connecting ring (305) is fixedly installed at the other ends of the balancing columns (304), and the inner wall of the connecting ring (305) is fixedly connected with the outer wall of the connecting shaft (302).
4. The annealing furnace with the interior uniformly heated and the exterior thermally insulated according to claim 1, wherein the outer wall of the supporting device (3) is movably connected with a circulating device (5), the interior of the circulating device (5) comprises a driving ring (501), the outer wall of the driving ring (501) is provided with a driving plate (502), one end of the driving plate (502) is fixedly connected with the outer wall of the driving ring (501), the other end of the driving plate (502) is provided with a mounting table (503), and one end of the mounting table (503) is fixedly connected with the outer wall of the driving plate (502).
5. The annealing furnace with the interior uniformly heated and the exterior thermally insulated according to claim 4, characterized in that the other end of the mounting table (503) is movably connected with an adjusting shaft, the outer wall of the adjusting shaft is movably mounted with a rotating sleeve (504), one end of the adjusting shaft far away from the mounting table (503) is fixedly mounted with a mounting shaft (511), the exterior of the rotating sleeve (504) is provided with a concave table (505), the outer wall of the concave table (505) is fixedly connected with the outer wall of the rotating sleeve (504), and the inner wall of the concave table (505) is fixedly mounted with a first control shaft (506).
6. The annealing furnace with uniform internal heating and external thermal insulation according to claim 5, wherein a first blade (507) is movably mounted on the outer wall of the first control shaft (506), a second control shaft (508) is arranged at one end, away from the first control shaft (506), of the first blade (507), the outer wall of the second control shaft (508) is movably connected with the inner wall of the first blade (507), connecting blocks (509) are arranged at two ends of the second control shaft (508), the inner wall of the connecting blocks (509) is fixedly connected with the outer wall of the second control shaft (508), a second blade (510) is arranged outside the connecting blocks (509), and the outer wall of the second blade (510) is fixedly connected with the outer wall of the connecting blocks (509).
7. The annealing furnace with the interior uniformly heated and the exterior thermally insulated according to claim 1, characterized in that a ventilation device (6) is fixedly installed at the top of the box body (1), the ventilation device (6) comprises a ventilation shell (601), the outer wall of the ventilation shell (601) is fixedly connected with the inner wall of the box body (1), a flow guide shaft is movably installed on the inner wall of the ventilation shell (601), flow guide blades (602) are fixedly installed on the outer wall of the flow guide shaft, and a filter cover (603) is fixedly installed at the top of the ventilation shell (601).
8. The annealing furnace with uniform internal heating and external thermal insulation according to claim 7, wherein a thermal insulation shell (604) is arranged outside the ventilation shell (601), the inner wall of the thermal insulation shell (604) is movably connected with the outer wall of the ventilation shell (601), and a movable cover (605) is movably mounted at the top of the thermal insulation shell (604).
9. The annealing furnace with the interior uniformly heated and the exterior thermally insulated according to claim 1, characterized in that a fixed cover (7) is arranged on the outer wall of the box body (1), one end of the fixed cover (7) is fixedly connected with the outer wall of the box body (1), a material taking door (8) is clamped on the inner wall of the fixed cover (7), a sealing strip (9) is fixedly mounted on the inner wall of the fixed cover (7), and a handle is fixedly mounted on the outer wall of the material taking door (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011482947.2A CN112708745A (en) | 2020-12-16 | 2020-12-16 | Annealing furnace with uniformly heated inner part and heat insulation outer part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011482947.2A CN112708745A (en) | 2020-12-16 | 2020-12-16 | Annealing furnace with uniformly heated inner part and heat insulation outer part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112708745A true CN112708745A (en) | 2021-04-27 |
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ID=75542148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011482947.2A Withdrawn CN112708745A (en) | 2020-12-16 | 2020-12-16 | Annealing furnace with uniformly heated inner part and heat insulation outer part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112708745A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112322880A (en) * | 2020-10-10 | 2021-02-05 | 芜湖天锐捷精密电子设备有限公司 | Quenching device for metal material processing and implementation method thereof |
-
2020
- 2020-12-16 CN CN202011482947.2A patent/CN112708745A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112322880A (en) * | 2020-10-10 | 2021-02-05 | 芜湖天锐捷精密电子设备有限公司 | Quenching device for metal material processing and implementation method thereof |
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