CN204524256U - Sintering blank carries out the device of aligning in stove - Google Patents
Sintering blank carries out the device of aligning in stove Download PDFInfo
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- CN204524256U CN204524256U CN201520115416.8U CN201520115416U CN204524256U CN 204524256 U CN204524256 U CN 204524256U CN 201520115416 U CN201520115416 U CN 201520115416U CN 204524256 U CN204524256 U CN 204524256U
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Abstract
The utility model relates to the device of aligning in sintering blank stove, comprise briquetting and the heating furnace with fire door, there is in heating furnace the base be located on heating plate, heater is provided with around base, briquetting at least can move along described heating plate plane perpendicular direction and corresponding with base, also has the monitoring system to heating in-furnace temperature.In the utility model sintering blank stove aligning device can very convenient, efficiently the sintering blank that deformation occurs is aligned, it is made to reach corresponding industrial requirements, very large degree improves the qualification rate of sintering blank, significantly reduce the production cost of enterprise, and have significant impetus and economic benefit to enterprise and whole industry.
Description
Technical field
The utility model relates to and carries out to sintering blank the device aligned in stove.
Background technology
In many industrial production such as metallurgy, filter production, all have sintering circuit, sintering is a traditional handicraft process, refers to a kind of process granular material being changed into DB.People utilize this technique to produce pottery, powder metallurgy, refractory material, hyperthermal material etc. very early.For powder metallurgy, general production process is first extruded by mould high pressure (more than 100MPa) by metal dust, and under high pressure metal dust physics is gathered into one, and its shape and mould adapt, and the semi-finished product at this time obtained are commonly called as pressed compact.And then pressed compact is put into heating furnace heat and be incubated, the maximum temperature of heating is usually lower than the fusing point of pressed compact, and object makes merge mutually between metal powder granulates or chemical reaction occurs, and pressed compact changes into a fine and close entirety thus.Be commonly called as sintering to the process of pressed compact heating, its effect the metal powder granulates of pressed compact is melted strike up partnership, and sinters the semi-finished product obtained and be commonly called as sintered blank.Pressed compact is that metal powder granulates physics assembles the body of powder formed, and sintered blank is the hardware after sintering, is combined, such as iron rod, iron pipe etc. between metal powder granulates by chemical reaction.Finally the various parts that machining can obtain needs are carried out to sintered blank.
In actual production, usually wish that pressed compact its shape in sintering process is that rule is without distortion, but because the material at each position of pressed compact is also not exclusively even, and in heating process, can not ensure that each position of pressed compact is heated completely evenly, there is creep in pressed compact, self-strength significantly reduces under high temperature action, when may cause thus sintering, the local of pressed compact produces the deformation of contraction or expansion, thus the expendable plastic deformation such as to bend.Simultaneously again because be subject to the restriction of sintering process, in sintering process, pressed compact does not have rigidity to fetter, and therefore just cannot retrain its deformation in sintering process yet.In general production, be conditional to the deformation degree of various sintering blank, the sintering blank exceeding restriction can only be abandoned, and as waste disposal, this makes production cost can not be in any more, has had a strong impact on product qualified rate.
Utility model content
The utility model provides a kind of device sintering aligning in blank stove, in order to align the sintering blank that obvious deformation occurs, makes it reach corresponding industrial requirements, improves the qualification rate of sintering blank, reduce the production cost of enterprise.
The device of aligning in the utility model sintering blank stove, comprise briquetting and the heating furnace with fire door, there is in heating furnace the base be located on heating plate, heater is provided with around base, briquetting at least can move along described heating plate plane perpendicular direction and corresponding with base, also has the monitoring system to heating in-furnace temperature.Base should with wait that the general configuration aligning sintering blank adapts, be just conducive to sintering blank fixing and spacing.Described monitoring system can control the temperature in heating furnace and check, monitoring system can be the special equipment be connected with heating furnace, also can be the structures such as the control panel be integrated with heating furnace.Briquetting is connected with drive system, and is controlled by this drive system.The drive system of briquetting can adopt conventional automatic control structure to realize.
When sintering blank is aligned, the sintering blank of flaw deformation first profile is had to be fixed on the base of heating furnace, can by corresponding with described briquetting for the protrusion height point of the defect of form deformation of sintering blank, like this can be more effective to sintering blank aligning, if oppositely exert pressure to described surrounding of protruding high point, area of not only exerting pressure increases, and the pressure of contact point is reduced, and easily makes peripheral part produce secondary deformation.Then heated heating furnace by monitoring system, heating-up temperature is less than the fusing point of described sintering blank; When after the temperature reaching the deformation of sintering blank, by briquetting, pressure is applied to described sintering blank, sintering blank is made to produce aligning deformation, until sintering blank profile reach standard-required after, keep briquetting to the pressure of sintering blank, and the temperature reduced in heating furnace, discharge briquetting pressure after the cooling of sintering blank.The sintering blank of different materials, the temperature can carrying out aligning deformation after its heating is also different, arranges corresponding heating-up temperature according to different sintering blank material.
The component that metal material is formed has a kind of character, and after namely reaching uniform temperature, the internal stress of hardware and intensity can significantly reduce.At this temperature, can there is plastic deformation under external force in hardware.Generally, the rear hardware of temperature reduction can keep the shape after plastic deformation, and can not return to the original form.Although it is ubiquitous that this character is metal material, be not utilized in the straightening process to sintering blank.Those skilled in the art wishes the technical problem reducing or overcome the deformation of sintering blank for a long time, but effectively do not solved all the time, therefore the utility model is the universal feature that make use of metal, solve this area to wish for a long time to solve and unsolved problem, its mode seems simple, but to whole industry and manufacturing enterprise, there is important environment protection significance and economic implications, on the basis not increasing the too much production cost of enterprise, significantly improve the qualification rate of sintering blank.
A kind of preferred mode is, fire door is provided with can be opening/closing and briquetting can be made to enter briquetting window in heating furnace.Briquetting is connected with drive unit of exerting pressure, and briquetting is usually little than the projected area of fire door, therefore can arrange on fire door specially can be opening/closing briquetting window for its come in and go out.Again briquetting is exerted pressure from being stretched in heating furnace by briquetting window outward to sintering blank after the temperature in heating furnace reaches relevant temperature, so not only can effectively reduce the volume of heating furnace, can also avoid needing whole oven door opening when briquetting enters heating furnace, the heat in heating furnace is is obviously scattered and disappeared.
Further, be provided with passage on hot plate, the temperature of heating is delivered on base and sintering blank more fast and effectively.
On this basis; in order to avoid the heat loss in heating process and in straightening process in heating furnace; simultaneously also in order to protect the equipment etc. around heating furnace; heat insulation structural can be provided with, the structures such as such as polystyrene thermal insulation layer, ceramic fibre thermal insulation board, mineral wool thermal insulation layer at the inwall of heating furnace.
A kind of optional mode is that described heater is the heating rod structure be located at below heating plate, and is preferably provided with the heating rod structure described at least two.Heating rod is heater conventional in industrial production, and effectively can improve the efficiency of heating surface of heating furnace by arranging many heating rods.Except heating rod structure, heater can also be the heat block arranged around base, also can be to arrange the structures such as resistance wire on hot plate directly to the sintering blank heating in base and base.
Further, described monitoring system comprises the temperature sensor be located in heating furnace and the control module be connected with heating furnace, temperature sensor is located in heating furnace and more conveniently can transmits temperature information accurately, then by conventional control module the temperature in heating furnace controlled and check.Also can directly by apparatus such as computer, the temperature in heating furnace be arranged and be monitored.
The method and apparatus of aligning in the utility model sintering blank stove, can very convenient, align there is the sintering blank of deformation efficiently, it is made to reach corresponding industrial requirements, very large degree improves the qualification rate of sintering blank, significantly reduce the production cost of enterprise, and have significant impetus and economic benefit to enterprise and whole industry.
Below in conjunction with the detailed description of the invention of embodiment, foregoing of the present utility model is described in further detail again.But this should be interpreted as that the scope of the above-mentioned theme of the utility model is only limitted to following example.Do not departing from the above-mentioned technological thought situation of the utility model, the various replacement made according to ordinary skill knowledge and customary means or change, all should be included in scope of the present utility model.
Accompanying drawing explanation
Fig. 1 is the perspective view of straightener in the utility model sintering blank stove.
Fig. 2 is the axial cross-sectional views of heating furnace in Fig. 1.
Detailed description of the invention
The device of aligning in the utility model sintering blank stove as depicted in figs. 1 and 2, comprises briquetting 4 and has the heating furnace 1 of fire door 2, and fire door 2 is provided with can be opening/closing and briquetting 4 can be made to enter briquetting window 3 in heating furnace 1.Briquetting 4 is outer and is connected with drive unit of exerting pressure at heating furnace 1, and have the base 10 be located on heating plate in heating furnace 1, heating plate is provided with multiple passage 9, and the temperature of heating can be enable to be delivered to base 10 more fast and effectively and to sinter on blank.The heater 8 of many heating rod structures is provided with in the below of base 10.Briquetting 4 can move along described heating plate plane perpendicular direction and corresponding with base 10 under the drive of drive unit of exerting pressure, and also can position along the parallel motion of heating plate bottom surface.Also there is the monitoring system connected as one with heating furnace monitor temperature in heating furnace 1.Include in monitoring system and be located at multiple temperature sensors in heating furnace 6 and corresponding control/display floater 7 and processing module 5.Base 10 should with wait that the general configuration aligning sintering blank adapts, be just conducive to sintering blank fixing and spacing.In order to avoid the heat loss in heating process and in straightening process in heating furnace 1; simultaneously also in order to protect the monitoring system be connected as a single entity with heating furnace 1 can not because crossing cause thermal damage; also heat insulation structural is provided with, the structures such as such as polystyrene thermal insulation layer, ceramic fibre thermal insulation board, mineral wool thermal insulation layer at the inwall of heating furnace 1.
During to sintering blank aligning, profile there is the sintering blank of flaw deformation to be fixed on the base 10 of heating furnace 1, and make the protrusion of the defect of form deformation of sintering blank height point corresponding with briquetting 4 compression point.The heater 8 pairs of heating furnaces 1 being controlled heating rod structure by described monitoring system are heated, and heating-up temperature is less than the fusing point of described sintering blank.When the temperature in heating furnace 1 reach can make the temperature of sintering blank deformation after again by briquetting 4 from outer by fire door 2 arrange can be opening/closing briquetting window 3 stretch in heating furnace 1 sintering blank exerted pressure aligning.After the profile of sintering blank reaches standard-required, keep briquetting 4 to the pressure of sintering blank, and reducing the temperature in heating furnace 1 by monitoring system, after sintering blank cools, release briquetting 4 is to the pressure of sintering blank, namely obtains the rear satisfactory sintering blank of aligning.The sintering blank of different materials, the temperature can carrying out aligning deformation after its heating is also different, arranges corresponding heating-up temperature in a conventional manner according to different sintering blank material.
Claims (7)
1. sinter the device that blank carries out aligning in stove, it is characterized by: comprise briquetting (4) and there is the heating furnace (1) of fire door (2), there is in heating furnace (1) base (10) be located on heating plate, heater (8) is provided with around base (10), briquetting (4) at least can move along described heating plate plane perpendicular direction and corresponding with base (10), also has the monitoring system to heating furnace (1) interior temperature.
2. device as claimed in claim 1, is characterized by: being provided with on fire door (2) can be opening/closing and briquetting (4) can be made to enter briquetting window (3) in heating furnace (1).
3. device as claimed in claim 1, is characterized by: be provided with passage (9) on hot plate.
4. device as claimed in claim 1, is characterized by: be provided with heat insulation structural at the inwall of heating furnace (1).
5. device as claimed in claim 1, is characterized by: described heater (8) is for being located at the heating rod structure below heating plate.
6. device as claimed in claim 5, is characterized by: be at least provided with the heating rod structure described in two.
7. the device as described in one of claim 1 to 6, is characterized by: described monitoring system comprises the temperature sensor (6) be located in heating furnace and the control module be connected with heating furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115416.8U CN204524256U (en) | 2015-02-25 | 2015-02-25 | Sintering blank carries out the device of aligning in stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115416.8U CN204524256U (en) | 2015-02-25 | 2015-02-25 | Sintering blank carries out the device of aligning in stove |
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| CN204524256U true CN204524256U (en) | 2015-08-05 |
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| CN201520115416.8U Active CN204524256U (en) | 2015-02-25 | 2015-02-25 | Sintering blank carries out the device of aligning in stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690268A (en) * | 2015-02-25 | 2015-06-10 | 成都易态科技有限公司 | Method and device for performing in-furnace straightening on sintering blank |
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2015
- 2015-02-25 CN CN201520115416.8U patent/CN204524256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104690268A (en) * | 2015-02-25 | 2015-06-10 | 成都易态科技有限公司 | Method and device for performing in-furnace straightening on sintering blank |
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