CN105865204A - Door and window hardware recycling device based on preheating mechanism - Google Patents
Door and window hardware recycling device based on preheating mechanism Download PDFInfo
- Publication number
- CN105865204A CN105865204A CN201610399998.6A CN201610399998A CN105865204A CN 105865204 A CN105865204 A CN 105865204A CN 201610399998 A CN201610399998 A CN 201610399998A CN 105865204 A CN105865204 A CN 105865204A
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- Prior art keywords
- conveying pipe
- door
- melting chamber
- conveying
- pipe
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Classifications
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- 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
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
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- 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
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- 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
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- 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
- F27B14/20—Arrangement of controlling, monitoring, alarm or like devices
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- 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
- F27B2014/0843—Lining or casing
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Special Wing (AREA)
Abstract
The invention discloses a door and window hardware recycling device based on a preheating mechanism. The device comprises a furnace outer shell, a furnace inner shell, a feeding opening and a discharging pipe, a melting chamber is formed in the internal space of the furnace inner shell, an air inlet pipe and an exhaust pipe are arranged at the outer side of the furnace outer shell, and an electric heating layer is arranged between the furnace outer shell and the furnace inner shell; the device further comprises a conveying pipe, the conveying pipe penetrates through the side face of the furnace outer shell and extends into the melting chamber, one end of the conveying pipe is communicated with the melting chamber, the other end of the conveying pipe is closed, the upper position of the outer side of the conveying pipe is connected with the feeding opening, the feeding opening enables the external space and the interior of the conveying pipe to be communicated, a conveying shaft is arranged in the conveying pipe, the conveying shaft penetrates through the end face of the conveying pipe to reach the external space and is connected with a driving device, and a helical blade is arranged around the conveying shaft. By means of the door and window hardware recycling device, the feeding mode is changed, a traditional feeding pipe can have the function of preheating a workpiece to be molten, work load of operators is reduced, melting time and heat energy are saved, production efficiency is improved, protective gas is provided, and casting quality is improved.
Description
Technical field
The present invention relates to a kind of metallurgical plant, be specifically related to 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 the article arrived, not only play keep out wind and rain, heat insulation, sound insulation, daylighting, the effect such as ventilation, but also be the important component part of architectural image, their shape, size, color, moulding etc. have critically important impact to the moulded of building.Along with the raising of people's living standard, people are increasing to the demand of door and window, and the requirement to door and window is more and more diversified.
Aluminum alloy doors and windows are important branch of door and window, and aluminum alloy doors and windows refer to that using aluminum alloy extrusion section bar is frame, stile, the door and window of fan material making.Aluminum alloy doors and windows because of have attractive in appearance, seal, intensity high is widely used.The section bar of aluminum alloy doors and windows and glass style are divided into glazing bar style and flower glass style, wherein, glazing bar style is thick with aluminium, style is sedate as main characteristics, and flower glass style is with aluminium various shapes, style vivaciously as main characteristics, and style has lattice, ice sculpture, low relief, brilliant shellfish etc..
In the aluminum alloy doors and windows technological process of production, first operation is exactly blanking, required aluminum alloy frame material and fan material can be obtained by blanking, but, no matter the device of blanking have many accurately and high-end, a lot of discarded leftover pieces will be produced, for a factory, if the loss that will result in flood tide directly thrown away by these discarded leftover pieces, the most a lot of enterprises all select to try every possible means to reclaim these discarded leftover pieces efficiently thus reduce the production cost of aluminum alloy doors and windows to reach to promote the purpose of oneself product competitiveness.
The first step reclaiming aluminium alloy scrap needs to melt these aluminium alloy scraps, and equipment used is fusing stove, and fusing stove can meet aluminum alloy melting technique well.But, traditional fusing stove only has the function melting metal, warm before metal melt then uses and is used alone preheating furnace or preheating chamber preheats, again the workpiece after preheating taken out after having preheated and add to fusing stove, do so not only increases the workload of operator, and increase thermal energy consumption, make production efficiency low, additionally, in melting aluminum alloy process, oxidation can be produced during oxygen in aluminium alloy and air, contact with the water in air and produce serious pin hole on the Mechanical processing of casting face that can make to be formed, the serious quality reducing foundry goods.
Summary of the invention
The technical problem to be solved is for the shortcoming of conventional fused stove, door and window hardware part retracting device based on preheating mechanism is provided, solve conventional fused stove needing, a preheating furnace is additionally set and operator's workload is increased, problem that plant energy consumption is big and conventional fused stove does not has good isolation air to be caused casting quality is low.
nullThe present invention is achieved through the following technical solutions: door and window hardware part retracting device based on preheating mechanism，Including stove outer covering and charge door，Stove inner shell it is provided with inside described stove outer covering，Described stove inner housing inner space constitutes melting chamber，It is provided with drainage conduit inside stove inner shell，Air inlet pipe and exhaustor it is provided with outside stove outer covering，Described air inlet pipe all connects space outerpace and melting chamber with exhaustor，It is provided with electric heating layer between stove outer covering and stove inner shell，Also include conveying pipe，Described conveying pipe runs through stove outer covering side in melting chamber，Conveying pipe one end connects with melting chamber，The end face of the other end is closed，It is connected above charge door outside conveying pipe，Inside described charge door connection space outerpace and conveying pipe，It is provided with conveying axis in conveying pipe，Described conveying axis runs through conveying end surfaces has driving means to space outerpace and connection，Conveying axis is provided with helical blade.In prior art, for the problem solving to treat fusing workpiece preheating, typically a preheating furnace is set specially, preheating furnace needs individually heating, the waste energy, and after preheated workpiece being taken out from preheating furnace, owing to workpiece is metal, can dispel the heat with speed faster, and need operator take out workpiece from preheating furnace and put the workpiece in fusing stove, add the workload of operator, some fusing stove uses and arranges dual chamber in stove, i.e. melting chamber and preheating chamber, but the setting of preheating chamber occupies the bigger space of fusing stove and arranges more complicated, it is not easy to maintenance, and pre-heat effect is the most bad.On the other hand, in process of production, there is serious problem in the fusing to metal especially aluminium alloy, i.e. aluminium alloy can absorb hydrogen during melting, cause producing pin hole on Mechanical processing of casting face thus reduce the quality of product, found by research, hydrogen main source in aluminum liquid is the reaction of aluminum liquid and steam, although any instrument used in production all can be dried, but for aluminum liquid, remain humidity, it also can be made to adsorb hydrogen, hydrogen is to be mainly present in two ways in aluminum liquid, wherein most hydrogen is dissolved in aluminum liquid with atom form, fraction is also had to be adsorbed in surface or the gap of aluminum liquid with molecular forms.nullIn order to solve the problems referred to above of conventional fused stove，The present invention proposes door and window hardware part retracting device based on preheating mechanism，When using this device，First by air inlet pipe connective protection gas cylinder，Exhaustor connection vacuum pump，Then use protection gas that melting chamber inner space is replaced，After having replaced，Exhaustor is connected air or be passed through observation oil in seen whether that bubble produces，The circulation of gas is protected in keeping fusing stove，Open electric heating layer，By the temperature monitoring being arranged in melting chamber, the temperature of melting chamber is controlled at 200 to 300 °，It is then turned on the upper driving means connected of conveying pipe，The outfan of driving means drives conveying axis to rotate，Thus drive helical blade to rotate，Afterwards exhaustor cuts out，Open air inlet pipe angle valve further，Increase the intake of protection gas，Open charging lid，At this moment gas is discharged from charge door，Then from charge door, workpiece to be melted is poured into carrying in pipe，Workpiece to be melted is gradually delivered in melting chamber by helical blade in conveying pipe，Owing to melting chamber has temperature，So conveying pipe also has certain temperature，The steam that surface of the work to be melted evaporates is taken out of by the protective gas flow through from surface of the work to be melted from charge door，Workpiece to be melted after the steam getting rid of surface along with helical blade is heated while entering in melting chamber，After in melting chamber, accumulation portion lease making crosses the workpiece of preheating，Continue the temperature of heating melting chamber to 600 to 700 °，The workpiece now piled up bottom melting chamber gradually melts，And the preheating temperature that the workpiece being positioned at conveying pipe obtains also is raised，Reach to make full use of the purpose of heat energy，And workpiece to be melted is also gradually heated up during being transported to melting chamber，Directly melt after preheated，Compare traditional fusing stove and alleviate the workload of operator，Save fusing time，During whole charging，Protection gas not only acts as the effect of isolation air，Also make the preheating of workpiece to be melted more fully and taken away the steam of surface of the work.
Further, one end that described drainage conduit is positioned in melting chamber is provided with filter screen.Arranging filter screen is possible to prevent the workpiece not being completely melt to block drainage conduit, and causing cannot cast molding continuously.
Further, the part that the outfan of described driving means is connected with conveying axis is resistant to elevated temperatures adiabator.Fusing indoor temperature is higher, if conveying axis uses metal material entirely, can transfer heat to driving means and cause driving means to receive damage, so the part that links of the outfan of driving means and conveying axis uses resistant to elevated temperatures adiabator to protect driving means.
Further, there is gap at the edge of described helical blade with the inwall of conveying pipe, and gap is less than the blade face radius of helical blade.The inwall of the edge of helical blade and conveying pipe is it is necessary to have gap, otherwise all can wear and tear in the inner side of the edge of helical blade and conveying pipe, and driving means can be caused higher workload, but gap can not be too big, and otherwise helical blade no longer has the function promoting workpiece to be melted to enter melting chamber.
Further, described air inlet pipe is provided with Pressure gauge.Arranging pressure that Pressure gauge can make operator observe in melting chamber and check air-tightness, the operation making displacement protection gas is more smooth.
Further, described stove outer covering is provided above driving means, and the outfan of described driving means connects has rotary shaft, described rotary shaft to run through stove outer covering in melting chamber, and rotary shaft lower end connects stirring paddle.Workpiece can be melted more quickly by stirring, improve the work efficiency of melting chamber.
Further, 3/4ths of a length of melting chamber radius of described stirring paddle.Found by production practices, a length of melting chamber radius of stirring paddle 3/4ths time, the work efficiency of melting chamber is the highest, and the workpiece in melting chamber can be stirred the most uniformly by the driving means i.e. connecting rotary shaft with minimum workload.
Further, the part that the outfan of described driving means is connected with rotary shaft is resistant to elevated temperatures adiabator.The purpose so arranged is also to protection and connects the driving means of rotary shaft so that it is will not produce damage because of the temperature of rotary shaft conduction.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the present invention changes feeding manner, makes traditional feed pipe possess the function of preheating workpiece to be melted, decreases the work load of operator, save fusing time, saved heat energy, improve production efficiency；
2, the present invention passes through production practices, finds as 3/4ths of a length of melting chamber radius of stirring paddle, and driving means can reach preferably to stir with less workload, improves the work efficiency of fusing stove further；
3, the present invention uses protection gas to avoid workpiece to be melted and contact with the oxygen in air and water so that Mechanical processing of casting face will not form pin hole, improves the quality of foundry goods.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that 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.
The parts title of labelling and correspondence in accompanying drawing:
1-stove outer covering, 2-stove inner shell, 3-electric heating layer, 4-carries pipe, 5-output shaft, 6-helical blade, 7-charge door, 8-drainage conduit, 9-stirring paddle, 10-rotary shaft, 11-air inlet pipe, 12-exhaustor.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, not as a limitation of the invention.
Embodiment
nullAs shown in Figure 1，The present invention is door and window hardware part retracting device based on preheating mechanism，Including stove outer covering 1 and charge door 7，It is provided with stove inner shell 2 inside described stove outer covering 1，Described stove inner shell 2 inner space constitutes melting chamber，Drainage conduit 8 it is provided with inside stove inner shell 2，Air inlet pipe 11 and exhaustor 12 it is provided with outside stove outer covering 1，Described air inlet pipe 11 all connects space outerpace and melting chamber with exhaustor 12，Electric heating layer 3 it is provided with between stove outer covering 1 and stove inner shell 2，Also include carrying pipe 4，Described conveying pipe 4 runs through stove outer covering 1 side in melting chamber，Conveying pipe 4 one end connects with melting chamber，The end face of the other end is closed，It is connected above charge door 7 outside conveying pipe 4，Described charge door 7 connects space outerpace and conveying pipe 4 is internal，It is provided with conveying axis 5 in conveying pipe 4，Described conveying axis 5 runs through conveying pipe 4 end face has driving means to space outerpace and connection，Conveying axis 5 is provided with helical blade 6.Further, one end that described drainage conduit 8 is positioned in melting chamber is provided with filter screen.Further, the part that the outfan of described driving means is connected with conveying axis 5 is resistant to elevated temperatures adiabator.Further, there is gap at the edge of described helical blade 6 with the inwall of conveying pipe 4, and gap is less than the blade face radius of helical blade 6.Further, described air inlet pipe 11 is provided with Pressure gauge.Further, described stove outer covering 1 is provided above driving means, and the outfan of described driving means connects has rotary shaft 10, described rotary shaft 10 to run through in stove outer covering 1 to melting chamber, and rotary shaft 10 lower end connects stirring paddle 9.Further, 3/4ths of a length of melting chamber radius of described stirring paddle 9.Further, the part that the outfan of described driving means is connected with rotary shaft 10 is resistant to elevated temperatures adiabator.nullWhen using this device，First by the air in nitrogen displacement melting chamber，It is then turned on electric heating layer 3，By the temperature monitoring being arranged in melting chamber, the temperature of melting chamber is risen to 200 to 300 °，It is then turned on carrying the motor connected on pipe 4，The outfan of motor drives helical blade 6 to rotate by conveying axis 5，After melting chamber keeps 200 to 300 ° of a period of times，Close exhaustor 12，Open charge door 7 to cover，Gas is discharged from charge door 7，Continue to turn on the angle valve of air inlet pipe 11，Strengthen the intake of nitrogen，Afterwards workpiece to be melted is poured into conveying pipe 4 from charge door 7，Workpiece to be melted is gradually delivered in melting chamber by helical blade 6 in conveying pipe 4，Workpiece to be melted falls in melting chamber after being gradually heated in conveying pipe 4，After in melting chamber, accumulation portion lease making crosses the workpiece of preheating，Open and be positioned at the motor above stove outer covering 1，Motor drives stirring paddle 9 to start stirring by rotary shaft 10，Continue the temperature of heating melting chamber afterwards to 600 to 700 °，The workpiece now piled up bottom melting chamber gradually melts along with stirring，And the preheating temperature that the workpiece being positioned at conveying pipe 4 obtains also is raised，Workpiece to be melted is gradually heated up during being transported to melting chamber，Directly melt after having preheated，After to be fed，Close charge door 7 to cover，Open exhaustor 12，Reduce the intake of nitrogen，Nitrogen is kept to circulate in melting chamber，After having melted，Open drainage conduit 8 to cast member.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the detailed description of the invention of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (8)
- null1. door and window hardware part retracting device based on preheating mechanism，Including stove outer covering (1) and charge door (7)，Described stove outer covering (1) inner side is provided with stove inner shell (2)，Described stove inner shell (2) inner space constitutes melting chamber，Stove inner shell (2) inner side is provided with drainage conduit (8)，It is characterized in that，Stove outer covering (1) outside is provided with air inlet pipe (11) and exhaustor (12)，Described air inlet pipe (11) all connects space outerpace and melting chamber with exhaustor (12)，Electric heating layer (3) it is provided with between stove outer covering (1) and stove inner shell (2)，Also include conveying pipe (4)，Described conveying pipe (4) runs through stove outer covering (1) side in melting chamber，Conveying pipe (4) one end connects with melting chamber，The end face of the other end is closed，Conveying pipe (4) outside is connected above charge door (7)，Described charge door (7) connection space outerpace and conveying pipe (4) are internal，It is provided with conveying axis (5) in conveying pipe (4)，Described conveying axis (5) runs through conveying pipe (4) end face has driving means to space outerpace and connection，Conveying axis (5) is provided with helical blade (6).
- Door and window hardware part retracting device based on preheating mechanism the most according to claim 1, it is characterised in that one end that described drainage conduit (8) is positioned in melting chamber is provided with filter screen.
- Door and window hardware part retracting device based on preheating mechanism the most according to claim 1, it is characterised in that the part that the outfan of described driving means is connected with conveying axis (5) is resistant to elevated temperatures adiabator.
- Door and window hardware part retracting device based on preheating mechanism the most according to claim 1, it is characterised in that there is gap at the edge of described helical blade (6) with the inwall of conveying pipe (4), gap is less than the blade face radius of helical blade (6).
- Door and window hardware part retracting device based on preheating mechanism the most according to claim 1, it is characterised in that described air inlet pipe is provided with Pressure gauge on (11).
- Door and window hardware part retracting device based on preheating mechanism the most according to claim 1, it is characterized in that, described stove outer covering (1) is provided above driving means, the outfan of described driving means connects rotary shaft (10), described rotary shaft (10) runs through stove outer covering (1) in melting chamber, and rotary shaft (10) lower end connects stirring paddle (9).
- Door and window hardware part retracting device based on preheating mechanism the most according to claim 6, it is characterised in that 3/4ths of a length of melting chamber radius of described stirring paddle (9).
- Door and window hardware part retracting device based on preheating mechanism the most according to claim 6, it is characterised in that the part that the outfan of described driving means is connected with rotary shaft (10) is resistant to elevated temperatures adiabator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610399998.6A CN105865204A (en) | 2016-06-08 | 2016-06-08 | Door and window hardware recycling device based on preheating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610399998.6A CN105865204A (en) | 2016-06-08 | 2016-06-08 | Door and window hardware recycling device based on preheating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105865204A true CN105865204A (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610399998.6A Pending CN105865204A (en) | 2016-06-08 | 2016-06-08 | Door and window hardware recycling device based on preheating mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989605A (en) * | 2017-04-26 | 2017-07-28 | 池州市九华明坤铝业有限公司 | A kind of aluminium material spiral pushing preheating machine |
-
2016
- 2016-06-08 CN CN201610399998.6A patent/CN105865204A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989605A (en) * | 2017-04-26 | 2017-07-28 | 池州市九华明坤铝业有限公司 | A kind of aluminium material spiral pushing preheating machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160817 |
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| WD01 | Invention patent application deemed withdrawn after publication |