CN111793783A - External heating vertical vacuum carburizing quenching furnace - Google Patents
External heating vertical vacuum carburizing quenching furnace Download PDFInfo
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- CN111793783A CN111793783A CN202010582516.7A CN202010582516A CN111793783A CN 111793783 A CN111793783 A CN 111793783A CN 202010582516 A CN202010582516 A CN 202010582516A CN 111793783 A CN111793783 A CN 111793783A
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- fixedly connected
- gate valve
- chamber
- lifting system
- lifting
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
- C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
- C23C8/20—Carburising
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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
- C21D1/62—Quenching devices
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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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
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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
- C21D9/0018—Details, accessories not peculiar to any of the following furnaces for charging, discharging or manipulation of charge
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses an external heating vertical vacuum carburizing and quenching furnace, which comprises a gate valve cylinder, wherein a gate valve is arranged on one side of the gate valve cylinder, a gate valve inner rail is arranged on one side of the gate valve, an air supply chamber is arranged on the upper part of the gate valve inner rail, the top of the air supply chamber is fixedly connected with an outer shell, a lifting system outer shell is arranged on the top of the outer shell, one side of the lifting system outer shell is fixedly connected with a lifting speed reduction motor, one end of the lifting speed reduction motor is rotatably connected with a lifting system rotating shaft, the middle part of the lifting system rotating shaft is sleeved with a rotating steel cable wheel, an air supply pipeline is arranged inside the outer shell, a lifting lock catch is arranged at the lower end of the air supply pipeline, and the lifting lock catch is fixedly connected with a material frame, the surface quality of the workpiece is improved.
Description
Technical Field
The invention relates to the technical field of vacuum carburization in the heat treatment industry, in particular to an external heating type vertical vacuum carburization quenching furnace.
Background
The ordinary carburizing furnace in China has the common carburizing and vacuum carburizing functions, is generally designed to be of a well type structure, is externally heated, is internally provided with a muffle tank inner container, is aerated or dripped with kerosene, alcohol and the like at the top, and is opened after the carburizing is finished, and a workpiece is hung in quenching liquid through an external crane. The main defects are that the surface is oxidized in the carburizing process, and the surface of the workpiece is also oxidized in the process of hoisting the workpiece to quenching liquid, so that the surface quality of the workpiece is seriously influenced.
At present, enterprises for producing vacuum carburizing furnaces are also in China, and vacuum furnaces in the market are generally designed into a horizontal double-chamber structure, the front end of each vacuum furnace is a quenching and cooling chamber, the rear end of each vacuum furnace is a heating and carburizing chamber, and a plug plate type valve is arranged in the middle of each vacuum furnace. The heating chamber is generally designed as an inner heating chamber, the heating element is arranged in the heat-insulating layer, carbon black is inevitably generated in the carburizing process, the heating element is often burnt out due to short circuit, and the use cost is high. In addition, the heating belt of the heating chamber of the inner heating chamber, the heat insulation material and the like are expensive, the production cost is high, and the integral use cost is increased. In addition, a lifting mechanism of a horizontally-operated skip car is complex, faults are easy to occur in the using process, quenching oil needs to be extracted for maintenance, and the operation is quite troublesome.
For the reasons mentioned above, domestic vacuum carburizing furnaces are not capable of normally operating for a long time according to research and development of most equipment, so research and development of vacuum carburizing equipment with low production cost, simple structure and reliable operation are in the forefront.
Disclosure of Invention
The invention mainly aims to provide an external heating type vertical vacuum carburizing and quenching furnace which can effectively solve the problems explained in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
an external heating type vertical vacuum carburizing quenching furnace comprises a gate valve cylinder, a gate valve is arranged on one side of the gate valve cylinder, a gate valve inner rail is arranged on one side of the gate valve, a gas supply chamber is arranged on the upper portion of the gate valve inner rail, the top of the gas supply chamber is fixedly connected with an outer shell, a lifting system outer shell is arranged on the top of the outer shell, one side of the lifting system outer shell is fixedly connected with a lifting speed reduction motor, one end of the lifting speed reduction motor is rotatably connected with a lifting system rotating shaft, a lifting lock catch is arranged at the middle portion of the lifting system rotating shaft and the lower end of a rotating steel cable wheel sleeve and is fixedly connected with a material frame, a horse tank body is arranged on one side of the material frame, a heating element is arranged on one side of the horse tank body, one side of the heating element is fixedly connected with a heat preservation layer, and the bottom of, one side of aspiration chamber is provided with supporting platform, one side and the material frame station fixed connection that charges of supporting platform, the bottom and the vertical lift system fixed connection of material frame station that charges, the lower extreme of aspiration chamber is provided with and removes the quenching chamber, the bottom that removes the quenching chamber is provided with the drive of horizontal movement skip, one side of horizontal movement skip drive is provided with the horizontal movement skip.
Preferably, the shape of the movable quenching chamber is a circular cavity, and the movable quenching chamber is made of a steel plate.
Preferably, the lifting speed reduction motor is rotatably connected with the rotating shaft of the lifting system through an output end, and the lifting lock catch is fixedly connected with the material frame.
Preferably, the rotating steel cable wheel is sleeved with a rotating shaft of the lifting system, and the inner diameter of the rotating shaft of the lifting system is matched with the outer diameter of the rotating steel cable wheel.
Preferably, the vertical lifting system is fixedly connected with the material frame loading station.
Preferably, the horizontal running skip car drive is provided with a pulley and a belt, and the horizontal running skip car drive is in sliding connection with the horizontal running skip car through the pulley and the belt.
Preferably, the air supply pipeline is fixedly connected with the air supply chamber, and the air supply pipeline is inserted into the outer shell.
Compared with the prior art, the invention has the following beneficial effects: according to the external heating vertical vacuum carburizing quenching furnace, the horizontal movement of the trolley can be realized through the horizontal movement of the trolley and the vertical movement of the trolley can be realized through the arrangement of the horizontal movement trolley driving and vertical lifting system, so that the quenching chamber can be butted with an upper furnace body during quenching, and workpieces are quenched in a vacuum state; through setting up the push-pull valve, can make lower part and quenching chamber be connected through vertical lift, ensure that the work piece can go on under the vacuum state when quenching, keep the work piece bright.
Drawings
Fig. 1 is a schematic structural diagram of an automatic track lubrication device according to the present invention.
In the figure: 1. a gate valve cylinder; 2. a gate valve; 3. an inner rail of the gate valve; 4. an air supply chamber; 5. a lifting gear motor; 6. a lifting system rotating shaft; 7. rotating the wire rope wheel; 8. an elevator system outer housing; 9. a gas supply line; 10. an outer housing; 11. hoisting the lock catch; 12. material frame; 13. a heating element; 14. a Mafu tank body; 15. a heat-insulating layer; 16. an air extraction chamber; 17. a support platform; 18. moving the quenching chamber; 19. a material frame loading station; 20. horizontally operating a skip car drive; 21. horizontally operating the skip car; 22. a vertical lift system.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical scheme of the invention is further elaborated below.
As shown in fig. 1, the external heating vertical vacuum carburizing and quenching furnace in the embodiment comprises a gate valve cylinder 1 with sc series, a gate valve 2 with 200 sc series is arranged on one side of the gate valve cylinder 1, a gate valve inner rail 3 is arranged on one side of the gate valve 2, an air supply chamber 4 is arranged on the upper portion of the gate valve inner rail 3, the top of the air supply chamber 4 is fixedly connected with an outer shell 10, a lifting system outer shell 8 is arranged on the top of the outer shell 10, one side of the lifting system outer shell 8 is fixedly connected with a lifting gear motor 5 with 040 RV, one end of the lifting gear motor 5 is rotatably connected with a lifting system rotating shaft 6, the middle portion of the lifting system rotating shaft 6 is sleeved with a rotating steel cable wheel 7, an air supply pipeline 9 is arranged inside the outer shell 10, a lifting lock 11 is arranged at the lower end of the air supply pipeline 9, the lifting lock 11 is fixedly connected with a material frame, a horse-powered material frame 14 is arranged on one side of the material frame 12, a heating element 13 is arranged on one side of the horse-powered material frame 14, one side of the heating element 13 is fixedly connected with a heat insulation layer 15, the bottom of the air supply chamber 4 is fixedly connected with an air extraction chamber 16, a supporting platform 17 is arranged on one side of the air extraction chamber 16, one side of the supporting platform 17 is fixedly connected with a material frame loading station 19, the bottom of the material frame loading station 19 is fixedly connected with a vertical lifting system 22, a movable quenching chamber 18 is arranged at the lower end of the air extraction chamber 16, a horizontally-running material trolley drive 20 is arranged at the bottom of the movable quenching chamber 18, and a horizontally-running material trolley 21 is arranged on one side of the.
In the embodiment, the movable quenching chamber 18 is a circular cavity, and the movable quenching chamber 18 is made of a steel plate, so that the toughness of the movable quenching chamber 18 is improved; the lifting speed reducing motor 5 is rotatably connected with the lifting system rotating shaft 6 through an output end, and the lifting lock catch 11 is fixedly connected with the material frame 12, so that the power output can be ensured to be stable, and the structure is more reasonable; the rotating steel cable wheel 7 is sleeved with the lifting system rotating shaft 6, and the inner diameter size of the lifting system rotating shaft 6 is matched with the outer diameter size of the rotating steel cable wheel 7, so that the material frame 12 can be well fixed; the vertical lifting system 22 is fixedly connected with the material frame loading station 19, so that the structure is more stable; the horizontal running skip car driver 20 is provided with a pulley and a belt, and the horizontal running skip car driver 20 is in sliding connection with the horizontal running skip car 21 through the pulley and the belt, so that the horizontal running skip car 21 can move back and forth; the air supply pipeline 9 is fixedly connected with the air supply chamber 4, the air supply pipeline 9 is connected with the outer shell body 10 in an inserted mode, air can be supplied to the air supply chamber 4, and working efficiency is improved to a certain extent.
When the external heating vertical vacuum carburizing quenching furnace is used, a user loads workpieces on a material frame 12 of a material frame loading station 19, then the material frame 12 is controlled to run to the center of a heating furnace body through a proximity switch by horizontally running a material trolley 21, a lifting mechanism of the upper material frame 12 is started, a gripper is connected with the material frame 12, the material frame 12 is lifted to a heating position of a heating chamber by the lifting mechanism, a gate valve 2 is closed for vacuumizing, and when the vacuum degree in the furnace reaches a limit value, the heating is started according to a process curve. And during heating, the horizontally-operated skip 21 is driven by the horizontally-operated skip 20 to move to a quenching position, namely, the movable quenching chamber 18 is aligned with the central position of the gate valve 2, and vertically ascends through the vertical lifting system 22 to be in butt joint with the gate valve 2, then the gate valve 2 and the movable quenching chamber 18 are vacuumized through a vacuumizing interface of the gate valve 2, the vacuum degree is basically consistent with that of a heating chamber, and preparation is made for quenching. After the workpiece is heated and carburized, the middle gate valve 2 is opened, and the material frame 12 descends through the vertical lifting system 22 to lower the workpiece to a quenching position. The gripper of the material frame 12 automatically unhooks, the gripper rises and returns to the heating chamber, and the gate valve 2 is closed. After quenching, the horizontally-operated skip 21 horizontally moves to the outside where the workpiece can be hung, the workpiece is taken out, and then production of the second furnace can be realized.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. An external heating vertical vacuum carburizing quenching furnace is characterized in that: comprises a gate valve cylinder (1), a gate valve (2) is arranged on one side of the gate valve cylinder (1), a gate valve inner track (3) is arranged on one side of the gate valve (2), a gas supply chamber (4) is arranged on the upper portion of the gate valve inner track (3), the top of the gas supply chamber (4) is fixedly connected with a shell body (10), a lifting system shell body (8) is arranged on the top of the shell body (10), one side of the lifting system shell body (8) is fixedly connected with a lifting speed reduction motor (5), one end of the lifting speed reduction motor (5) is rotatably connected with a lifting system rotating shaft (6), the middle of the lifting system rotating shaft (6) is sleeved with a rotating steel cable wheel (7), an air supply pipeline (9) is arranged inside the shell body (10), and a hoisting lock catch (11) is arranged at the lower end of the air supply pipeline (9), the hoisting lock catch (11) is fixedly connected with the material frame (12), one side of the material frame (12) is provided with a horse-drawn tank body (14), a heating element (13) is arranged on one side of the horse-drawn tank body (14), one side of the heating element (13) is fixedly connected with a heat-insulating layer (15), the bottom of the air supply chamber (4) is fixedly connected with an air extraction chamber (16), one side of the air extraction chamber (16) is provided with a supporting platform (17), one side of the supporting platform (17) is fixedly connected with a material frame loading station (19), the bottom of the material frame loading station (19) is fixedly connected with a vertical lifting system (22), a movable quenching chamber (18) is arranged at the lower end of the air pumping chamber (16), a horizontally-running skip car drive (20) is arranged at the bottom of the movable quenching chamber (18), one side of the horizontal running skip car drive (20) is provided with a horizontal running skip car (21).
2. The external heating vertical vacuum carburizing and quenching furnace according to claim 1, characterized in that: the shape of the movable quenching chamber (18) is a circular cavity, and the movable quenching chamber (18) is made of a steel plate.
3. The external heating vertical vacuum carburizing and quenching furnace according to claim 1, characterized in that: the lifting speed reduction motor (5) is rotatably connected with the lifting system rotating shaft (6) through an output end, and the lifting lock catch (11) is fixedly connected with the material frame (12).
4. The external heating vertical vacuum carburizing and quenching furnace according to claim 1, characterized in that: the rotating steel cable wheel (7) is sleeved with the lifting system rotating shaft (6), and the inner diameter of the lifting system rotating shaft (6) is matched with the outer diameter of the rotating steel cable wheel (7).
5. The external heating vertical vacuum carburizing and quenching furnace according to claim 1, characterized in that: the vertical lifting system (22) is fixedly connected with the material frame loading station (19).
6. The external heating vertical vacuum carburizing and quenching furnace according to claim 1, characterized in that: the horizontal running skip car drive (20) is provided with a pulley and a belt, and the horizontal running skip car drive (20) is in sliding connection with the horizontal running skip car (21) through the pulley and the belt.
7. The external heating vertical vacuum carburizing and quenching furnace according to claim 1, characterized in that: the air supply pipeline (9) is fixedly connected with the air supply chamber (4), and the air supply pipeline (9) is connected with the outer shell (10) in an inserting mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582516.7A CN111793783A (en) | 2020-06-23 | 2020-06-23 | External heating vertical vacuum carburizing quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010582516.7A CN111793783A (en) | 2020-06-23 | 2020-06-23 | External heating vertical vacuum carburizing quenching furnace |
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| Publication Number | Publication Date |
|---|---|
| CN111793783A true CN111793783A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010582516.7A Pending CN111793783A (en) | 2020-06-23 | 2020-06-23 | External heating vertical vacuum carburizing quenching furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117025918A (en) * | 2023-08-02 | 2023-11-10 | 徐州途远精密设备有限公司 | Cast member heat treatment equipment |
-
2020
- 2020-06-23 CN CN202010582516.7A patent/CN111793783A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117025918A (en) * | 2023-08-02 | 2023-11-10 | 徐州途远精密设备有限公司 | Cast member heat treatment equipment |
| CN117025918B (en) * | 2023-08-02 | 2024-02-09 | 陕西大力神航空新材料科技股份有限公司 | Cast member heat treatment equipment |
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