CN106643131A - Movable type vertical vacuum furnace structure - Google Patents

Movable type vertical vacuum furnace structure Download PDF

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Publication number
CN106643131A
CN106643131A CN201610916354.XA CN201610916354A CN106643131A CN 106643131 A CN106643131 A CN 106643131A CN 201610916354 A CN201610916354 A CN 201610916354A CN 106643131 A CN106643131 A CN 106643131A
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CN
China
Prior art keywords
cooling chamber
workpiece
vacuum furnace
vertical vacuum
fire door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610916354.XA
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Chinese (zh)
Other versions
CN106643131B (en
Inventor
孙强
胡东彪
赵成军
拜伦·詹姆斯·斯图尔特
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Beijing Huahai Huayi Energy Saving Polytron Technologies Inc
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Beijing Huahai Huayi Energy Saving Polytron Technologies Inc
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Priority to CN201610916354.XA priority Critical patent/CN106643131B/en
Publication of CN106643131A publication Critical patent/CN106643131A/en
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Publication of CN106643131B publication Critical patent/CN106643131B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/04Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity adapted for treating the charge in vacuum or special atmosphere
    • F27B9/042Vacuum furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30Details, accessories, or equipment peculiar to furnaces of these types
    • F27B9/40Arrangements of controlling or monitoring devices

Abstract

The invention discloses a movable type vertical vacuum furnace structure. The movable type vertical vacuum furnace structure comprises a furnace body platform, a vertical vacuum furnace, a moving device, a cooling chamber and a vacuum device, wherein the vertical vacuum furnace is used for heating a workpiece, and the cooling chamber is internally provided with quenching liquid. The cooling chamber is arranged below the furnace body platform. A furnace door and a furnace body butt joint device are arranged at the bottom of the vertical vacuum furnace. The furnace body butt joint device is located below the furnace door, and a sealed cavity of which the periphery is sealed is formed between the furnace body butt joint device and the furnace door. A cooling chamber butt joint device is arranged at the top of the cooling chamber. After the workpiece is heated, the cooling chamber butt joint device is in butt joint with the furnace body butt joint device, the edge of the cooling chamber butt joint device is in sealing fit with the edge of the furnace body butt joint device, the furnace door is opened after the sealed cavity and the cooling chamber are vacuumized, and the workpiece falls into the cooling chamber. The workpiece is also in the environment with a certain vacuum degree in the process of entering the cooling chamber from the vertical vacuum furnace, so that the surface is not prone to being oxidized, and the quality of the workpiece is improved; and in addition, after the workpiece enters the cooling chamber, the vertical vacuum furnace can continuously leave the upper portion of the cooling chamber through driving of the moving device to conduct heating next time, and the production efficiency is improved.

Description

A kind of mobile vertical vacuum furnace structure
Technical field
The present invention relates to technical field of heat treatment equipment, more particularly to a kind of mobile vertical vacuum furnace structure.
Background technology
Vacuum drying oven is a kind of equipment heated in vacuum environment.In the stove that metal case or quartz glass cover are sealed It is connected with vacuum pump system with pipeline in thorax, heating system can directly use resistance furnace silk (such as tungsten filament) electrified regulation in stove, also may be used With high-frequency induction heating, maximum temperature is up to 3000 DEG C or so.It is mainly used in ceramic firing, vacuum metling, electrovacuum part to remove Gas, annealing, the soldering of metalwork, and Ceramic-to-metal seal etc..
In Technology for Heating Processing, when heating to workpiece using vacuum drying oven, workpiece table in heating process is completely eliminated The drawbacks such as the oxidation and decarburization in face, can obtain the clean surface without metamorphic layer.This is for the cutter for only grinding one side in sharpening (such as After fluted drill grinding make the decarburized layer of flute surfaces be directly exposed to cutting edge) cutting ability improve relations greatly.Workpiece exists After the completion of heating in vacuum drying oven, need to exit workpiece from vacuum drying oven, being put in cooling chamber carries out Quenching Treatment, it is existing true Empty stove typically loads workpiece and is put in cooling chamber by material frame, further takes out after the completion of quenching, and workpiece can be exposed to during this In air, the quality of workpiece is reduced.Additionally, existing vacuum drying oven is designed as integral structure with cooling chamber, workpiece is being heated When being cooled down, vacuum drying oven is in idle condition, does not continue to heat other workpiece, inefficiency.
The content of the invention
It is an object of the invention to propose a kind of mobile vertical vacuum furnace structure, it is to avoid workpiece is from vacuum drying oven to cooling chamber Transfer process in expose in atmosphere, improve the quality of workpiece, and when workpiece is cooled down, vertical vacuum furnace can continue plus Hot others workpiece, improve production efficiency.
It is that, up to this purpose, the present invention is employed the following technical solutions:
A kind of mobile vertical vacuum furnace structure, including body of heater platform, the vertical vacuum furnace for heated partses, mobile dress Put, the internal cooling chamber equipped with quenching liquid and vacuum plant, the cooling chamber is arranged at the lower section of the body of heater platform, described vertical The bottom of formula vacuum drying oven is provided with fire door and body of heater docking facilities, and the body of heater docking facilities are located at below the fire door, and and The closed cavity of peripheral containment is formed between the fire door, cooling chamber docking facilities, workpiece are provided with the top of the cooling chamber After the completion of heating, the mobile device drives the vertical vacuum furnace to move to the top of the cooling chamber, the cooling chamber pair Both connection device and described body of heater docking facilities are docked, and the cavity passed through for workpiece is provided with the middle part of both, both Edge seal coordinate, after the vacuum plant is to the closed cavity and the cooling chamber extracting vacuum, the oven door opening, The workpiece drops in the cooling chamber through the cavity.
Wherein, the bracing frame for supporting the removable of the workpiece or rotate, institute are provided with the vertical vacuum furnace State cooling chamber and be provided with cooling chamber crane, support frame as described above is supported after the workpiece, the oven door opening, the cooling chamber liter Drop frame moves up the picking-up workpiece, and support frame as described above departs from the workpiece, and the workpiece follows the cooling chamber crane In being moved downwardly into the cooling chamber.
Wherein, also including conveying device, the conveying device slides along the body of heater platform, and the workpiece after the completion of cooling leads to Supercooling room crane holds out upwards cooling chamber, is transported the workpiece by the conveying device.
Wherein, the fire door crane for lifting the fire door is provided with the closed cavity and the fire door liter is dragged The dragging part of drop frame transverse shifting, the top of the fire door crane connects the fire door.
Wherein, the vertical vacuum furnace is connected with for the gas ducting inflated in the vertical vacuum furnace.
Wherein, including at least two cooling chambers, multiple cooling chambers arrange along the body of heater platform, multiple coolings Room includes the oil chamber equipped with quenching oil and the water cooling chamber equipped with cooling water.
Wherein, the top for sealing the cooling chamber is additionally provided with below the cooling chamber docking facilities and seals dress Put, the top seal includes transversely movable overhead bin door, and after the overhead bin door slid inward cooling chamber is sealed, Middle part formation after sliding in and out in the cooling chamber is available for the cavity that workpiece passes through.
Wherein, pressure relief valve is provided with the top of the cooling chamber, the pressure relief valve is described by relief pipeline connection Inside cooling chamber.
Wherein, the cooling interior is provided with the agitating device for stirring the coolant and for detecting the cooling The temperature sensor of the temperature of liquid, the mixing speed of the agitating device can be adjusted according to the detected value of the temperature sensor Section.
Wherein, among both the cooling chamber docking facilities and the body of heater docking facilities, at least one can lift.
Beneficial effect:The invention provides a kind of mobile vertical vacuum furnace structure, including body of heater platform, for heater The vertical vacuum furnace of part, mobile device, the internal cooling chamber and vacuum plant that quenching liquid is housed, the cooling chamber is arranged at described The lower section of body of heater platform, the bottom of the vertical vacuum furnace is provided with fire door and body of heater docking facilities, the body of heater docking facilities Positioned at fire door lower section, and the closed cavity of peripheral containment is formed and the fire door between, the top of the cooling chamber is arranged There are cooling chamber docking facilities, after the completion of workpiece heat, the mobile device drives the vertical vacuum furnace to move to the cooling Both the top of room, the cooling chamber docking facilities and described body of heater docking facilities are docked, and use is provided with the middle part of both In the cavity that workpiece passes through, both edge seals coordinate, and the vacuum plant is taken out to the closed cavity and the cooling chamber After taking vacuum, the oven door opening, the workpiece drops in the cooling chamber through the cavity.Workpiece is from vertical vacuum furnace The environment with certain vacuum degree is also at during entering into cooling chamber, surface is difficult to be oxidized, and improves the matter of workpiece Amount, and after workpiece enters cooling chamber, vertical vacuum furnace can continue through mobile device and drive the top for leaving cooling chamber, enter Row is heated next time, improves production efficiency.
Description of the drawings
Fig. 1 is the top view of the mobile vertical vacuum furnace structure that embodiments of the invention 1 are provided.
Fig. 2 is the side view of the mobile vertical vacuum furnace structure that embodiments of the invention 1 are provided.
Fig. 3 is the side view of the vertical vacuum furnace that embodiments of the invention 1 are provided.
Fig. 4 is the side view of the cooling chamber that embodiments of the invention 1 are provided.
Fig. 5 is the side view of the mobile device that embodiments of the invention 1 are provided.
Fig. 6 is the top view of the mobile device that embodiments of the invention 1 are provided.
Wherein:
1- body of heater platforms, 2- vertical vacuum furnaces, 21- fire doors, 211- plummers, 22- body of heater docking facilities, 23- closing chambers Body, 24- bracing frames, 25- fire door cranes, 26- dragging parts, 3- mobile devices, 4- cooling chambers, 41- cooling chamber docking facilities, 42- cooling chamber cranes, 43- oil chambers, 44- water cooling chamber, 45- top seals, 451- overhead bin doors, 46- stirring dresses Put, 5- vacuum plants, 6- conveying devices.
Specific embodiment
For make present invention solves the technical problem that, the technical scheme that adopts and the technique effect that reaches it is clearer, below Technical scheme is further illustrated with reference to accompanying drawing and by specific embodiment.
Embodiment 1
Present embodiments provide a kind of mobile vertical vacuum furnace structure, including body of heater platform 1, standing for heated partses Formula vacuum drying oven 2, mobile device 3, the internal cooling chamber 4 equipped with quenching liquid and vacuum plant 5, cooling chamber 4 is arranged at body of heater platform 1 Lower section, the bottom of vertical vacuum furnace 2 is provided with fire door 21 and body of heater docking facilities 22, and body of heater docking facilities 22 are located at fire door 21 Lower section, and the closed cavity 23 of peripheral containment is formed and fire door 21 between, the top of cooling chamber 4 is provided with cooling chamber docking facilities 41, after the completion of workpiece heat, mobile device 3 drives vertical vacuum furnace 2 to move to the top of cooling chamber 4, cooling chamber docking facilities 41 with body of heater docking facilities 22 both docked, the cavity passed through for workpiece is provided with the middle part of both, both edges Sealing coordinates, and after vacuum plant 5 is to closed cavity 23 and the extracting vacuum of cooling chamber 4, fire door 21 is opened, and workpiece declines through cavity To in cooling chamber 4.Workpiece is also at the environment with certain vacuum degree during entering into cooling chamber 4 from vertical vacuum furnace 2, Surface is difficult to be oxidized, and improves the quality of workpiece, and after workpiece enters cooling chamber 4, vertical vacuum furnace 2 can be continued through Mobile device 3 drives the top for leaving cooling chamber 4, is heated next time, improves production efficiency.Cooling chamber docking facilities 41 Can be the flange arrangement that cooperates with body of heater docking facilities 21, the cavity that the middle part of flange passes through as workpiece, its edge By caulking gum crimping and other sealing devices, constitute sealing and coordinate.Cooling chamber docking facilities 41 and body of heater are to tipping Put among both 22, at least one can lift, by taking the present embodiment as an example, cooling chamber docking facilities 41 are controlled by hydraulic stem Lifting, before docking, the height of cooling chamber docking facilities 41 is lower than the height of body of heater docking facilities 22, and mobile device 3 drives vertical Formula vacuum drying oven 2 moves to the top of cooling chamber 4, promotes cooling chamber docking facilities 41 to move up by hydraulic stem and docks with body of heater Device 22 realizes that sealing coordinates.Can also be the liftable of body of heater docking facilities 22, or both of which liftable, between the two first There is a certain distance, be easy to transverse shifting, then realize that sealing coordinates by lifting, it is easy to operate.The He of body of heater docking facilities 22 Positioned by sensor between cooling chamber docking facilities 41, such as laser sensor or range sensor etc., sensor Detect body of heater docking facilities 22 and cooling chamber docking facilities 41 are positioned after success in the horizontal, longitudinal direction is completed by elevating mechanism Cooperation, realize being tightly connected.
The moveable bracing frame 24 for supporting workpiece is provided with vertical vacuum furnace 2, cooling chamber 4 is provided with cooling chamber Crane 42, bracing frame 24 is supported after workpiece, and fire door 21 is opened, and cooling chamber crane 42 moves up picking-up workpiece, bracing frame 24 depart from workpiece, and workpiece follows cooling chamber crane 42 to be moved downwardly in cooling chamber 4.Bracing frame 24 is arranged in vertical vacuum The sidepiece of stove 2, is driven by hydraulic stem or other push-pull device at fixed, and bracing frame 24 stretches out support workpiece from side, is not being needed During support, in being retracted into the chute of sidepiece.By the support of bracing frame 24, workpiece is not affected by the opening and closing of fire door 21, convenient The opening and closing of fire door 21, by the cooperation of bracing frame 24 and cooling chamber crane 42, are easy to workpiece flat from vertical vacuum furnace 2 Surely it is transferred in cooling chamber 4.
It is provided with closed cavity 23 horizontal for the fire door crane 25 and dragging fire door crane 25 of lifting furnace door 21 Mobile dragging part 26, the top connection fire door 21 of fire door crane 25.Fire door crane 25 is fork type elevator, and structure is hard Gu, bearing capacity is big, lifting is steady, install and safeguard simple and convenient, beneficial to the lifting of control fire door 21, and the bottom of fork type elevator Portion is provided with pulley, is easy to be slid laterally in closed chamber 23, is easy to the sideways transfer of fire door 21.It can be liquid to drag part 26 Depression bar, drags fire door crane 25 and fire door 21 moves to together sidepiece, is that moving down for workpiece provides space.Fire door crane 25 Can also be guideway up-and-down mechanism, be easy to control, guideway up-and-down mechanism to realize transverse shifting by arranging pulley on base plate. It can be gear & rack structure, leading screw and nut mechanism etc. to drag part 26, as long as can complete to drag fire door crane 25.
The outside of vertical vacuum furnace 2 is provided with shell, and shell is double-layer barrel, and cooling water pair is connected with the middle part of double-layer barrel The surface of vertical vacuum furnace is cooled down, it is ensured that the surface temperature of vertical vacuum furnace 2 is close to room temperature, it is to avoid cause danger.Stove Fire door retaining mechanism is provided with door 21, by hydraulic-driven retainer auto lock fire door.When liquid presses piston pole reaches the limit During position, fire door 21 is in opening, and returning (clamp ring turns clockwise) when liquid presses piston pole can lock at fire door 21.It is logical Cross the retaining mechanism of fire door 21, it is ensured that fire door 21 is operationally in locking state.The inside of vertical vacuum furnace 2 is round structure, Include framework, thermal insulation layer, heating element heater and material platform etc. from outside to inside, material platform is arranged on fire door 21, and bracing frame 24 is arranged on vertical The side of the bottom of formula vacuum drying oven 2.The top of vertical vacuum furnace 2 is connected with the gas tube for inflating in vertical vacuum drying oven 2 Road, before workpiece transfer to cooling chamber 4, gas ducting be filled with into vertical vacuum furnace 2 nitrogen etc. it is stable in properties and not with workpiece The gas for reacting, when now workpiece enters cooling chamber 4, the air pressure in vertical vacuum furnace 2 is higher than the air pressure in cooling chamber 4, Guaranteeing the steam (oil vapour or water vapour) of coolant will not enter in vertical vacuum furnace 2, it is to avoid vertical vacuum drying oven 2 is made Into impact.Gas ducting can also be connected to the other positions of vertical vacuum furnace 2, such as sidepiece, as long as can be to vertical vacuum furnace 2 Inside it is filled with the gases such as nitrogen or inert gas.Charging valve is additionally provided with gas ducting, the break-make of gas ducting is controlled.
The lower section of cooling chamber docking facilities 41 is provided with the top seal 45 for sealing cooling chamber 4, top sealing Device 45 includes transversely movable overhead bin door 451, cooling chamber 4 is sealed after the slid inward of overhead bin door 451, cold after sliding in and out But the middle part of room 4 forms the cavity for being available for workpiece to pass through.When workpiece passes in and out cooling chamber 4, open top part sealing device 45 is needed, Remaining when can be with closure tip sealing device 45, it is to avoid impact of the outside air to cooling chamber 4.The workpiece of high temperature enters cooling Behind room 4, the temperature of coolant can be increased, and produce the pressure of gas in steam increase cooling chamber 4, and the top of cooling chamber 4 sets Pressure relief valve is equipped with, pressure relief valve is connected inside cooling chamber 4, by pressure relief valve, it is to avoid the pressure of cooling chamber 4 by relief pipeline It is strong excessive and cause danger.Agitating device 46 for stirring coolant is provided with cooling chamber 4 and for detecting coolant The temperature sensor of temperature, the mixing speed of agitating device 46 can be adjusted according to the detected value of temperature sensor.Agitating device 46 electric rotating machines for including shaft and driving shaft to rotate, are provided with paddle on shaft.Agitating device 46 can be carried Heat exchanging process between high coolant and workpiece, improves cooling velocity, coolant temperature homogeneity everywhere is improved, so as to carry The uniformity of the hardness of high workpiece., using platinum resistance thermometer sensor, as temperature sensor, high precision, control is accurate, cooling for the present embodiment Two platinum resistance thermometer sensor,s are provided with room 4, the temperature control agitating device that control device is detected according to one of platinum resistance thermometer sensor, Mixing speed, with the temperature for controlling to cool down, another platinum resistance thermometer sensor, is used to monitor whether temperature exceedes dangerous values, to point out in time Staff, additionally, two platinum resistance thermometer sensor,s also improve the reliability of whole system, if one of them breaks down, can be with Another is continuing with, while taking into account the function of temperature control and alarm.The shell of cooling chamber 4 is also double-layer barrel, middle Cooled down by cooling water, it is ensured that the temperature near room temperature in the outside of cooling chamber 4, it is to avoid temperature is too high to cause danger.Cooling The cooling water that the centre of the double-layer barrel of the double-layer barrel of the shell of room 4 and the shell of vertical vacuum furnace 2 passes through has water-cooled system System is provided, and water-cooling system mainly includes water pipe and valve group.
Mobile device includes base plate, and base plate is moved by roller on body of heater platform 1, and the side wall of vertical vacuum furnace 2 passes through Support meanss are fixed with base plate, and multiple support meanss are arranged in the periphery of vertical vacuum furnace, are provided with the middle part of base plate for holding Put the cavity of closed cavity.Support meanss can be the support arm of skewed horizontal load, improve the stability of vertical vacuum furnace 2.
The present embodiment also includes conveying device 6, and conveying device 6 slides along body of heater platform 1, and the workpiece after the completion of cooling passes through Cooling chamber crane 42 holds out upwards cooling chamber 4, is transported workpiece by conveying device 6.
The present embodiment includes at least two cooling chambers 4, and multiple cooling chambers 4 are arranged along body of heater platform 1, in multiple cooling chambers 4 Including the oil chamber 43 equipped with quenching oil and water cooling chamber 44 equipped with cooling water, different cooling requirements can be met, be carried The versatility that high workpiece is processed, can process needs the workpiece of oil cooling, and can process the workpiece for needing water-cooled.In oil chamber In the relief pipeline of 43 tops, oily-water seperating equipment is additionally provided with, oily-water seperating equipment is adsorbed oil vapour by adsorbent equipment, Quenching oil is not contained in the gas discharged from relief valve, it is to avoid pollution environment.
Vacuum plant 5 includes Roots blower pump, slide valve type mechanical pump and control valve and vacuum pipe, vacuum pipe connection Control valve and Roots blower pump, control the break-make that valve controls vacuum passage, prime of the slide valve type mechanical pump as Roots blower pump Pump, reaches the vacuum of Roots's pump startup, and Roots blower pump is main pump, reaches the vacuum needed for work.
Body of heater platform 1 is made up of load-bearing structural member.Guide rail, mobile device 3 and the edge of conveying device 6 are laid on body of heater platform 1 Guide rail is moved, accurate positioning.
In the present embodiment, the valve in all parts by pneumatic system drive, pneumatic system mainly include pneumatic triple piece, Solenoid directional control valve, valve island, PU flexible pipes etc. are constituted.、
The present embodiment includes electric control system, and electric control system mainly includes pressure regulator-controllable silicon-microprocessor Mechanical action system two parts composition of temperature control system and programmable controller (PLC) composition of composition, is capable of achieving certainly Dynamicization programme-control and manually control.When appearance power failure, abnormal hydraulic pressure, inflation superpressure, heating overtemperature, pressure regulator are different in production Often, when vavuum pump overload, blower fan overload, electric control system can send sound and light alarm signal and automatic linkage protection, Guarantee the safety of personnel, equipment and product.
Feed station and unloading station are respectively arranged with the two ends of body of heater platform 1, in feed station and unloading station It is provided with elevating mechanism.
The course of work of the present embodiment can be divided into heating, cooling and discharge process;
Heating process is as follows:
1) vertical vacuum furnace 2 is moved to feeding station top;
2) scissor lift of vertical vacuum furnace 2 and fire door 21 are laterally pulled standby position in side;Workpiece passes through Fork truck is loaded and is placed on feeding station;
3) lowering or hoisting gear of feeding station bottom rises up into workpiece jack-up in vertical vacuum furnace 2;
4) bracing frame 24 of the both sides of vertical vacuum furnace 2 stretches out and holds workpiece, and lowering or hoisting gear drops back to ground, and workpiece is by bracing frame 24 carry;
5) scissor lift switchs to working position by the standby position of sidepiece, and fire door 21 is raised above closure, holds workpiece, Support 24 is withdrawn from, and device for locking door locking fire door 21, vertical vacuum furnace 2 starts to run heating process by heating schedule;
6) when heating, vertical vacuum furnace 2 can slowly be moved to the top of cooling chamber 4, wait next step quenching technical.
Cooling procedure is as follows, wherein, water-cooled is consistent with the process of oil cooling, and difference is that water-cooled enters water cooling chamber 4, oil cooling Into oil chamber 4:
1) when workpiece prepares to cool down, vertical vacuum furnace 2 is docked and fixed with cooling chamber 4;
2) top seal 45 of cooling chamber 4 is opened, while starting vacuum system by the closing of the bottom of vertical vacuum furnace 2 Cavity 23 and cooling chamber 4 are evacuated to vacuum state;
3) reach after vacuum level requirements, the bracing frame 24 of vertical vacuum furnace 2 stretches out holds workpiece, and the locking device of fire door 21 is beaten Open, scissor lift drives fire door 21 to decline;
4) when fire door 21 declines, the top of vertical vacuum furnace 2 is filled with nitrogen, it is ensured that the pressure of vertical vacuum furnace 2 is more than cooling Room 4, it is to avoid the steam of coolant enters vertical vacuum furnace 2;
5) scissor lift enters the standby position of sidepiece, and cooling chamber crane 42 is raised above holding workpiece;
6) bracing frame 24 is withdrawn from, and workpiece is invaded in coolant cool down downwards by cooling chamber crane 42;
7) workpiece is entered after cooling chamber 4, and the top seal 45 of cooling chamber 4 is closed;
8) vertical vacuum furnace 2 is moved to workpiece feeding station, continues to process second furnaceman's part.
Discharge process:
1) after cooling terminates, the top seal 45 of cooling chamber 4 is opened;
2) workpiece is ejected by cooling chamber crane 42;
3) conveying device moves to workpiece lower section, and cooling chamber crane 42 is returned in cooling chamber 4;
4) conveying device 6 is moved to feeding station top;
5) elevating mechanism under feeding station rises and withstands after workpiece, and conveying device 6 departs from workpiece;
6) elevating mechanism under feeding station drops back to original position, and workpiece moves to feeding station.
Embodiment 2
As different from Example 1, the bracing frame 24 of the present embodiment is rotatably hinged on the inside of vertical vacuum furnace, needs When supporting workpiece, rotate to transverse state from vertical state and support workpiece, when supporting, then rotate back into vertical shape State, the space of occupancy is smaller, it is not necessary to stretch out a segment distance again from sidepiece.
Hoisting structure is provided with vertical vacuum furnace, hoisting structure includes hanging basket, and hanging basket supports workpiece as plummer, The surrounding of hanging basket is connected with lifting rope by fast assembling disassembling structures such as electromagnet suckers, and lifting rope is around the winding being connected in vertical vacuum furnace In wheel.When workpiece prepares to be transferred in cooling chamber, after bracing frame departs from workpiece, reel constantly releases lifting rope, and workpiece is followed Hanging basket drops in cooling chamber, and fast assembling disassembling structure departs from hanging basket, follows lifting rope to return in vertical vacuum furnace.Can in cooling chamber To arrange cooling chamber crane, cooling chamber is held out by cooling chamber crane after the completion of cooling, then transported by conveying device; Cooling chamber crane can be not provided with, after the completion of cooling, conveying device itself is equipped with the lifting rope with fast assembling disassembling structure, will hang Basket and workpiece are pulled out from cooling chamber.
The docking facilities of the present embodiment adopt push-pull structure, in body of heater docking facilities and cooling chamber docking facilities two, One is provided with chute, and another end coordinates with chute, and both is highly consistent, when mobile device drives vertical vacuum furnace When sliding into cooling chamber top, the end of body of heater docking facilities is directly snapped in the chute of cooling chamber device, chute precision-fit, Realize that sealing coordinates.Docked by sliding groove structure and sealed, it is not necessary to carried out lifting cooperation, simple structure.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's Thought, will change in specific embodiments and applications, and this specification content should not be construed as to the present invention Restriction.

Claims (10)

1. a kind of mobile vertical vacuum furnace structure, it is characterised in that including body of heater platform (1), for the vertical of heated partses Vacuum drying oven (2), mobile device (3), the internal cooling chamber (4) equipped with quenching liquid and vacuum plant (5), the cooling chamber (4) sets The lower section of the body of heater platform (1) is placed in, the bottom of the vertical vacuum furnace (2) is provided with fire door (21) and body of heater docking facilities (22), the body of heater docking facilities (22) are positioned at the fire door (21) lower section, and outer sealing is formed and the fire door (21) between The closed cavity (23) for closing, at the top of the cooling chamber (4) cooling chamber docking facilities (41) are provided with, after the completion of workpiece heat, The mobile device (3) drives the vertical vacuum furnace (2) to move to the top of the cooling chamber (4), the cooling chamber docking Both device (41) and described body of heater docking facilities (22) are docked, and the sky passed through for workpiece is provided with the middle part of both Chamber, both edge seals coordinate, and the vacuum plant (5) is extracted true to the closed cavity (23) and the cooling chamber (4) After sky, the fire door (21) is opened, and the workpiece drops in the cooling chamber (4) through the cavity.
2. mobile vertical vacuum furnace structure as claimed in claim 1, it is characterised in that set in the vertical vacuum furnace (2) The bracing frame (24) for supporting the removable of the workpiece or rotate is equipped with, the cooling chamber (4) is provided with cooling chamber lifting Frame (42), support frame as described above (24) is supported after the workpiece, and the fire door (21) is opened, and the cooling chamber crane (42) is upwards Mobile to hold up the workpiece, support frame as described above (24) departs from the workpiece, and the workpiece follows the cooling chamber crane (42) In being moved downwardly into the cooling chamber (4).
3. mobile vertical vacuum furnace structure as claimed in claim 2, it is characterised in that described also including conveying device (6) Conveying device (6) slides along the body of heater platform (1), and the workpiece after the completion of cooling is held out upwards by cooling chamber crane (42) Cooling chamber (4), is transported the workpiece by the conveying device (6).
4. mobile vertical vacuum furnace structure as claimed in claim 1, it is characterised in that arrange in the closed cavity (23) There is the fire door crane (25) for lifting the fire door (21) and drag the dragging of fire door crane (25) transverse shifting Part (26), the top of the fire door crane (25) connects the fire door (21).
5. mobile vertical vacuum furnace structure as claimed in claim 1, it is characterised in that vertical vacuum furnace (2) connection Have for the gas ducting to inflation in the vertical vacuum furnace (2).
6. mobile vertical vacuum furnace structure as claimed in claim 1, it is characterised in that including at least two cooling chambers (4), Multiple cooling chambers (4) arrange that multiple cooling chambers (4) include the oil equipped with quenching oil along the body of heater platform (1) Cooling chamber (43) and the water cooling chamber (44) equipped with cooling water.
7. mobile vertical vacuum furnace structure as claimed in claim 1, it is characterised in that the cooling chamber docking facilities (41) Lower section be additionally provided with top seal (45) for sealing the cooling chamber (4), top seal (45) bag Transversely movable overhead bin door (451) is included, after overhead bin door (451) slid inward cooling chamber (4) is sealed, slid in and out Form the cavity for being available for workpiece to pass through at the middle part of the cooling chamber (4) afterwards.
8. mobile vertical vacuum furnace structure as claimed in claim 7, it is characterised in that set at the top of the cooling chamber (4) Pressure relief valve is equipped with, it is internal that the pressure relief valve connects the cooling chamber (4) by relief pipeline.
9. mobile vertical vacuum furnace structure as claimed in claim 1, it is characterised in that is provided with the cooling chamber (4) It is described to stir for stirring the agitating device (46) and temperature sensor for detecting the temperature of the coolant of the coolant Mixing the mixing speed of device (46) can be adjusted according to the detected value of the temperature sensor.
10. mobile vertical vacuum furnace structure as claimed in claim 1, it is characterised in that the cooling chamber docking facilities (41) and among both body of heater docking facilities (22), at least one can lift.
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112556426A (en) * 2020-12-15 2021-03-26 江西科技学院 Sintering furnace with gas-phase quenching function and quenching process thereof
CN112556426B (en) * 2020-12-15 2022-08-23 江西科技学院 Sintering furnace with gas-phase quenching function and quenching process thereof

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