CN107782133A - Door and window hardware part retracting device based on preheating mechanism - Google Patents

Door and window hardware part retracting device based on preheating mechanism Download PDF

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Publication number
CN107782133A
CN107782133A CN201610731901.7A CN201610731901A CN107782133A CN 107782133 A CN107782133 A CN 107782133A CN 201610731901 A CN201610731901 A CN 201610731901A CN 107782133 A CN107782133 A CN 107782133A
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CN
China
Prior art keywords
door
delivery pipe
stove
melting chamber
pipe
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.)
Withdrawn
Application number
CN201610731901.7A
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Chinese (zh)
Inventor
刘荣伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610731901.7A priority Critical patent/CN107782133A/en
Publication of CN107782133A publication Critical patent/CN107782133A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/0806—Charging or discharging devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/14—Arrangements of heating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B14/0806—Charging or discharging devices
    • F27B2014/0812—Continuously charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B2014/085—Preheating of the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B14/00—Crucible or pot furnaces
    • F27B14/08—Details peculiar to crucible or pot furnaces
    • F27B2014/0875—Two zones or chambers, e.g. one used for charging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
    • F27M2003/00—Type of treatment of the charge
    • F27M2003/13—Smelting

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Special Wing (AREA)

Abstract

The invention discloses the door and window hardware part retracting device based on preheating mechanism, including stove outer covering, stove inner casing, charge door and drainage conduit, stove inner housing inner space forms melting chamber, air inlet pipe and blast pipe are provided with the outside of stove outer covering, electric heating layer is provided between stove outer covering and stove inner casing, also include delivery pipe, delivery pipe is through stove outer covering side into melting chamber, delivery pipe one end connects with melting chamber, the end face closing of the other end, connection charge door in top on the outside of delivery pipe, inside the charge door connection exterior space and delivery pipe, conveying axis are provided with delivery pipe, the conveying axis to exterior space and are connected with drive device through conveying end surfaces, conveying axis are provided with helical blade.The present invention changes feeding manner, traditional feed pipe is possessed the function of preheating workpiece to be melted, reduces the work load of operating personnel, save fusing time and heat energy, improve production efficiency, additionally provide protection gas, improve casting quality.

Description

Door and window hardware part retracting device based on preheating mechanism
Technical field
The present invention relates to a kind of metallurgical plant, and in particular to the door and window hardware part retracting device based on preheating mechanism.
Background technology
Door and window as in people's daily life often in contact with to article, not only play and keep out wind and rain, be heat-insulated, insulating against sound, adopting Light, ventilation etc. act on, but also are the important components of architectural image, and their shape, size, color, moulding etc. are to building Building the moulded of thing has critically important influence.As the improvement of people's living standards, people are more next to the demand of door and window Bigger, the requirement to door and window is also more and more diversified.
Aluminum alloy doors and windows are an important branch of door and window, aluminum alloy doors and windows refer to use aluminum alloy extrusion section bar for frame, The door and window that stile, fan material make.Aluminum alloy doors and windows are because having the characteristics that attractive in appearance, sealing, intensity is high is widely used.Aluminium alloy The section bar and glass style of door and window are divided into glazing bar style and flower glass style, wherein, glazing bar style is based on aluminium is thick, style is sedate Characteristic is wanted, for flower glass style with aluminium various shapes, style vivaciously for main characteristics, style has lattice, ice sculpture, low relief, brilliant shellfish etc..
The first procedure is exactly blanking in the aluminum alloy doors and windows technological process of production, and required aluminium can be obtained by blanking Alloy frame material and fan material, however, no matter the device of blanking has more accurate and high-end, much discarded leftover pieces can be all produced, it is right For a factory, if these discarded leftover pieces, which are directly thrown away, to cause the loss of flood tide, many enterprises all select now Select and try every possible means efficiently to reclaim these discarded leftover pieces so as to reduce the production cost of aluminum alloy doors and windows to reach lifting oneself The purpose of product competitiveness.
The first step of recovery aluminium alloy scrap needs to melt these aluminium alloy scraps, and equipment used is melting furnace, fusing Stove can meet aluminum alloy melting technique well.But traditional melting furnace only possesses the function of melting metal, and metal melt Preceding warm is then preheated using exclusive use preheating furnace or preheating chamber, again by the workpiece after preheating after the completion of preheating Take out and add into melting furnace, so not only increase the workload of operating personnel, and increase thermal energy consumption so that Low production efficiency, in addition, in melting aluminum alloy process, aluminium alloy during oxygen in air with that can produce oxidation, and in air Water contact can to produce serious pin hole on the Mechanical processing of casting face to be formed, the serious quality for reducing casting.
The content of the invention
The technical problems to be solved by the invention are directed to the shortcomings that conventional fused stove, there is provided the door and window five based on preheating mechanism Golden part retracting device, solving conventional fused stove needs additionally to set a preheating furnace and cause the increase of operating personnel's workload, dress Put that energy consumption is big and conventional fused stove does not have the problem of casting quality caused by good isolation air is low.
The present invention is achieved through the following technical solutions：Door and window hardware part retracting device based on preheating mechanism, including outside stove Shell and charge door, the stove outer covering inner side are provided with stove inner casing, and the stove inner housing inner space forms melting chamber, stove inner casing inner side Drainage conduit is provided with, is provided with air inlet pipe and blast pipe on the outside of stove outer covering, the air inlet pipe all connects exterior space with blast pipe And melting chamber, electric heating layer, in addition to delivery pipe are provided between stove outer covering and stove inner casing, the delivery pipe runs through stove outer covering side Into melting chamber, delivery pipe one end connects with melting chamber in face, the end face closing of the other end, top connection charging on the outside of delivery pipe Mouthful, inside the charge door connection exterior space and delivery pipe, conveying axis are provided with delivery pipe, the conveying axis are through conveying End surfaces are to exterior space and are connected with drive device, and conveying axis are provided with helical blade.In the prior art, in order to solve The problem for the treatment of fusing workpiece preheating, general specially to set a preheating furnace, preheating furnace needs individually heating, wastes the energy, and And after preheated workpiece is taken out from preheating furnace, because workpiece is metal, it can be radiated with faster speed, and need to grasp Make personnel to take out workpiece from preheating furnace and put the workpiece in melting furnace, add the workload of operating personnel, some is molten Change stove uses sets dual chamber, i.e. melting chamber and preheating chamber in stove, but the setting of preheating chamber occupies the larger space of melting furnace And setting is more complicated, is not easy to repair, and pre-heat effect is also bad.On the other hand, in process of production, to metal especially It is that the fusing of aluminium alloy has the problem of serious, i.e. aluminium alloy can absorb hydrogen during fusing, cause to produce on Mechanical processing of casting face Raw pin hole finds that the hydrogen main source in aluminium liquid is the reaction of aluminium liquid and steam so as to reduce the quality of product by studying, It is still moist for aluminium liquid although any instrument used in production can all dry, it is adsorbed hydrogen, hydrogen To be mainly present in two ways in aluminium liquid, wherein most hydrogen is dissolved in aluminium liquid in the form of atom, also fraction with Molecular forms are adsorbed in the surface or gap of aluminium liquid.In order to solve the above mentioned problem of conventional fused stove, the present invention proposes base In the door and window hardware part retracting device of preheating mechanism, when using the present apparatus, first by air inlet pipe connective protection gas cylinder, exhaust Pipe connects vavuum pump, and then fusing chamber inner space is replaced using protection gas, after the completion of displacement, blast pipe is connected big Gas is passed through in observation oil and has seen whether bubble generation, keeps the circulation of protection gas in melting furnace, opens electric heating layer, leads to The temperature monitoring being arranged in melting chamber is crossed by the temperature control of melting chamber at 200 to 300 °, is then turned on connecting in delivery pipe The drive device connect, the output end of drive device drives conveying axis rotation, so as to drive helical blade to rotate, afterwards by blast pipe Close, further open air inlet pipe angle valve, the intake of increase protection gas, open charging lid, at this moment gas is arranged from charge door Go out, workpiece to be melted is then poured into from charge door into delivery pipe, workpiece to be melted is in delivery pipe by helical blade Gradually it is delivered in melting chamber, because melting chamber has temperature, so also there is certain temperature, from chemical industry fusion in delivery pipe The protective gas that part surface is flowed through takes the vapor that workpiece surface to be melted evaporates from charge door out of, and workpiece to be melted is being gone Remove after the vapor on surface as helical blade is heated while entering in melting chamber, when accumulation portion lease making in melting chamber After crossing the workpiece of preheating, continue to heat the temperature of melting chamber to 600 to 700 °, the workpiece of now melting chamber bottom accumulation gradually melts Change, and the preheating temperature that the workpiece in delivery pipe obtains also is raised, and has reached the purpose for making full use of heat energy, and Workpiece to be melted is also gradually heated up during melting chamber is transported to, and is directly melted after preheated, compared to tradition Melting furnace alleviate the workload of operating personnel, save fusing time, during whole charging, protection gas not only acts as Completely cut off the effect of air, also make the preheating of workpiece to be melted more abundant and taken away the vapor of workpiece surface.
Further, one end that the drainage conduit is located in melting chamber is provided with filter screen.Filter screen is set to prevent not complete The workpiece of running down blocks drainage conduit, leads to not continuously cast molding.
Further, the part of the output end of the drive device and conveying axis connection is resistant to elevated temperatures heat-insulating material.It is molten Change indoor temperature is higher, if conveying axis use metal material entirely, can transfer heat to drive device causes drive device to receive damage, So the output end of drive device and the part that links of conveying axis are protected using resistant to elevated temperatures heat-insulating material to drive device.
Further, the edge of the helical blade and the inwall of delivery pipe have gap, and gap is less than the leaf of helical blade Radius surface.The edge of helical blade and the inwall of delivery pipe must have gap, otherwise the edge of helical blade and delivery pipe Inner side can all be worn, and higher live load can be caused to drive device, but gap can not be too big, and otherwise helical blade is not There is the function of promoting workpiece to be melted to enter melting chamber again.
Further, it is provided with pressure gauge in the air inlet pipe.Set pressure gauge that operating personnel can be made to observe fusing Pressure in room simultaneously checks air-tightness, makes the operation of displacement protection gas more smooth.
Further, drive device is provided with above the stove outer covering, the output end of the drive device is connected with rotation Axle, for the rotary shaft through stove outer covering into melting chamber, rotary shaft lower end is connected with agitating paddle.Can be more quick by stirring Ground melts workpiece, improves the operating efficiency of melting chamber.
Further, the length of the agitating paddle is 3/4ths of fusing chamber radius.Found, stirred by production practices When the length of oar is melts 3/4ths of chamber radius, the drive device of the operating efficiency highest of melting chamber, i.e. connection rotary shaft Most uniform stirring can be carried out to the workpiece in melting chamber with the live load of minimum.
Further, the output end of the drive device and the part for rotating axis connection are resistant to elevated temperatures heat-insulating material.This The purpose that sample is set is also to the drive device of protection connection rotary shaft, the temperature for making it not conducted because of rotary shaft And produce damage.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention changes feeding manner, traditional feed pipe is possessed the function of preheating workpiece to be melted, Reduce the work load of operating personnel, save fusing time, saved heat energy, improve production efficiency；
2nd, the present invention is had found when the length of agitating paddle is melts 3/4ths of chamber radius, drive device by production practices More preferable stirring can be reached with less live load, further improve the operating efficiency of melting furnace；
3rd, the present invention avoids workpiece to be melted using protection gas and contacted with the oxygen in air and water so that Mechanical processing of casting face Pin hole will not be formed, improves the quality of casting.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of semi-section of the present invention.
Mark and corresponding parts title in accompanying drawing：
1- stove outer coverings, 2- stove inner casings, 3- electric heating layers, 4- delivery pipes, 5- output shafts, 6- helical blades, 7- charge doors, 8- discharges Pipe, 9- agitating paddles, 10- rotary shafts, 11- air inlet pipe, 12- blast pipes.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.
Embodiment
As shown in figure 1, the present invention is the door and window hardware part retracting device based on preheating mechanism, including stove outer covering 1 and charging Mouth 7, the inner side of stove outer covering 1 are provided with stove inner casing 2, and the inner space of stove inner casing 2 forms melting chamber, and the inner side of stove inner casing 2 is set Drainage conduit 8 is equipped with, the outside of stove outer covering 1 is provided with air inlet pipe 11 and blast pipe 12, and the air inlet pipe 11 all connects with blast pipe 12 Exterior space and melting chamber, electric heating layer 3, in addition to delivery pipe 4, the delivery pipe are provided between stove outer covering 1 and stove inner casing 2 4 run through the side of stove outer covering 1 into melting chamber, and the one end of delivery pipe 4 connects with melting chamber, the end face closing of the other end, outside delivery pipe 4 Connection charge door 7 above side, the charge door 7 are connected inside exterior space and delivery pipe 4, and conveying axis are provided with delivery pipe 4 5, the conveying axis 5 to exterior space and are connected with drive device through the end face of delivery pipe 4, and conveying axis 5 are provided with spiral Blade 6.Further, one end that the drainage conduit 8 is located in melting chamber is provided with filter screen.Further, the drive device The part that is connected with conveying axis 5 of output end be resistant to elevated temperatures heat-insulating material.Further, the edge of the helical blade 6 with The inwall of delivery pipe 4 has gap, and gap is less than the blade face radius of helical blade 6.Further, it is provided with the air inlet pipe 11 Pressure gauge.Further, the top of stove outer covering 1 is provided with drive device, and the output end of the drive device is connected with rotation Axle 10, for the rotary shaft 10 through stove outer covering 1 into melting chamber, the lower end of rotary shaft 10 is connected with agitating paddle 9.Further, institute The length for stating agitating paddle 9 is 3/4ths of fusing chamber radius.Further, the output end of the drive device and rotary shaft 10 The part of connection is resistant to elevated temperatures heat-insulating material.During using the present apparatus, first by the air in nitrogen displacement melting chamber, then Electric heating layer 3 is opened, the temperature of melting chamber is risen to 200 to 300 ° by the temperature monitoring being arranged in melting chamber, then The motor connected in delivery pipe 4 is opened, the output end of motor drives helical blade 6 to rotate by conveying axis 5, and melting chamber is kept After 200 to 300 ° of a period of times, blast pipe 12 is closed, charge door 7 is opened and covers so that gas is discharged from charge door 7, continues to turn on The angle valve of air inlet pipe 11, the intake of nitrogen is increased, workpiece to be melted is poured into delivery pipe 4 from charge door 7 afterwards, treated The workpiece of fusing is gradually delivered in melting chamber in delivery pipe 4 by helical blade 6, workpiece to be melted in delivery pipe 4 by Fall into melting chamber after being gradually heated, after accumulation portion lease making crosses the workpiece of preheating in melting chamber, open positioned at the top of stove outer covering 1 Motor, motor by rotary shaft 10 drive agitating paddle 9 start to stir, continue afterwards heat melting chamber temperature to 600 to 700 °, the workpiece of now melting chamber bottom accumulation melts as stirring is gradual, and the preheating that the workpiece in delivery pipe 4 obtains Temperature is also raised, and workpiece to be melted is gradually heated up during melting chamber is transported to, and is directly carried out after the completion of preheating Fusing, after to be fed, close charge door 7 and cover, open blast pipe 12, reduce the intake of nitrogen, keep nitrogen melting Circulated in room, after the completion of fusing, open the casting member of drainage conduit 8.
Above-described embodiment, the purpose of the present invention, technical scheme and beneficial effect are carried out further Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., all should include Within protection scope of the present invention.

Claims (8)

1. the door and window hardware part retracting device based on preheating mechanism, including stove outer covering（1）And charge door（7）, the stove outer covering（1） Inner side is provided with stove inner casing（2）, the stove inner casing（2）Inner space forms melting chamber, stove inner casing（2）Inner side is provided with drainage conduit （8）, it is characterised in that stove outer covering（1）Outside is provided with air inlet pipe（11）And blast pipe（12）, the air inlet pipe（11）And exhaust Pipe（12）All connect exterior space and melting chamber, stove outer covering（1）With stove inner casing（2）Between be provided with electric heating layer（3）, in addition to Delivery pipe（4）, the delivery pipe（4）Through stove outer covering（1）Side is into melting chamber, delivery pipe（4）One end connects with melting chamber, The end face closing of the other end, delivery pipe（4）Connection charge door above outside（7）, the charge door（7）Connect exterior space and defeated Send pipe（4）Inside, delivery pipe（4）Inside it is provided with conveying axis（5）, the conveying axis（5）Through delivery pipe（4）End face to outside is empty Between and be connected with drive device, around conveying axis（5）It is provided with helical blade（6）.
2. the door and window hardware part retracting device according to claim 1 based on preheating mechanism, it is characterised in that the discharge Pipe（8）One end in melting chamber is provided with filter screen.
3. the door and window hardware part retracting device according to claim 1 based on preheating mechanism, it is characterised in that the driving The output end and conveying axis of device（5）The part of connection is resistant to elevated temperatures heat-insulating material.
4. the door and window hardware part retracting device according to claim 1 based on preheating mechanism, it is characterised in that the spiral Blade（6）Edge and delivery pipe（4）Inwall have gap, gap is less than helical blade（6）Blade face radius.
5. the door and window hardware part retracting device according to claim 1 based on preheating mechanism, it is characterised in that the air inlet Pipe（11）On be provided with pressure gauge.
6. the door and window hardware part retracting device according to claim 1 based on preheating mechanism, it is characterised in that outside the stove Shell（1）Top is provided with drive device, and the output end of the drive device is connected with rotary shaft（10）, the rotary shaft（10）Pass through Wear stove outer covering（1）Into melting chamber, rotary shaft（10）Lower end is connected with agitating paddle（9）.
7. the door and window hardware part retracting device according to claim 6 based on preheating mechanism, it is characterised in that the stirring Oar（9）Length for fusing chamber radius 3/4ths.
8. the door and window hardware part retracting device according to claim 6 based on preheating mechanism, it is characterised in that the driving The output end and rotary shaft of device（10）The part of connection is resistant to elevated temperatures heat-insulating material.
CN201610731901.7A 2016-08-26 2016-08-26 Door and window hardware part retracting device based on preheating mechanism Withdrawn CN107782133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610731901.7A CN107782133A (en) 2016-08-26 2016-08-26 Door and window hardware part retracting device based on preheating mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610731901.7A CN107782133A (en) 2016-08-26 2016-08-26 Door and window hardware part retracting device based on preheating mechanism

Publications (1)

Publication Number Publication Date
CN107782133A true CN107782133A (en) 2018-03-09

Family

ID=61439259

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610731901.7A Withdrawn CN107782133A (en) 2016-08-26 2016-08-26 Door and window hardware part retracting device based on preheating mechanism

Country Status (1)

Country Link
CN (1) CN107782133A (en)

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WW01 Invention patent application withdrawn after publication

Application publication date: 20180309

WW01 Invention patent application withdrawn after publication