WO2016045287A1 - 一种全自动真空预热炉 - Google Patents

一种全自动真空预热炉 Download PDF

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Publication number
WO2016045287A1
WO2016045287A1 PCT/CN2015/071615 CN2015071615W WO2016045287A1 WO 2016045287 A1 WO2016045287 A1 WO 2016045287A1 CN 2015071615 W CN2015071615 W CN 2015071615W WO 2016045287 A1 WO2016045287 A1 WO 2016045287A1
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WO
WIPO (PCT)
Prior art keywords
oven
box
fully automatic
automatic vacuum
air inlet
Prior art date
Application number
PCT/CN2015/071615
Other languages
English (en)
French (fr)
Inventor
田汉溶
Original Assignee
深圳市时代高科技设备有限公司
田汉溶
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 深圳市时代高科技设备有限公司, 田汉溶 filed Critical 深圳市时代高科技设备有限公司
Priority to JP2016521637A priority Critical patent/JP6251803B2/ja
Priority to US15/026,983 priority patent/US10088234B2/en
Publication of WO2016045287A1 publication Critical patent/WO2016045287A1/zh

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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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/04—Furnaces 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
    • F27B9/042—Vacuum furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/04—Heating arrangements using electric heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/042—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for drying articles or discrete batches of material in a continuous or semi-continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
    • F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
    • 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
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/04—Furnaces 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

Definitions

  • the invention relates to a fully automatic vacuum preheating furnace, in particular to a fully automatic vacuum preheating furnace capable of performing efficient vacuum preheating of materials before vacuum drying.
  • Vacuum drying is an important process in the processing of electronic components. Through this process, the moisture contained in the electronic components can be reduced to meet the corresponding use requirements.
  • the application of many vacuum drying processes is in the production and processing of electronic components, especially in the production and processing of supercapacitors or lithium batteries.
  • Most of the current vacuum drying equipments are provided with a separate vacuum drying oven and the material trolley is used to transport the vacuum-dried electronic components to the vacuum drying equipment for processing.
  • the current vacuum drying equipment has low processing efficiency and cannot realize vacuum. Highly uniform control of dry humidity and temperature under conditions.
  • a plurality of vacuum drying devices with relatively open inlets and outlets are used to form a vacuum drying system which can be continuously processed.
  • the technical problem to be solved by the present invention is to provide a fully automatic vacuum preheating furnace capable of performing efficient vacuum preheating of materials.
  • a fully automatic vacuum preheating furnace comprising a furnace box having openings at both ends, a vacuuming device for evacuating the furnace box, and a furnace device disposed in the furnace box a conveying device for driving the inner material to move, wherein the opening is provided with an automatic sealing door, the key of which is further comprising: a preheating device comprising a preheating device disposed under the oven and communicating with the oven a wind device and a return air device disposed above the oven and communicating with the oven, the air inlet device comprising a heating unit and a wind direction adjusting mechanism.
  • the air inlet device is in communication with the furnace box through an air inlet, and a plurality of through holes are disposed in a region corresponding to the air inlet at the bottom of the furnace box.
  • the outlet of the return air device is in communication with the inlet of the air inlet device.
  • the preheating device has a plurality of sets and is distributed along the conveying direction of the conveying device.
  • the conveying device includes a first gear disposed in the oven, the first gear being driven by a motor.
  • the first gear is coaxially and fixedly coupled to the first sprocket
  • the conveying device further includes a second gear disposed in the oven, the second gear and the second chain The wheel is coaxially and fixedly coupled, and the second sprocket is driven by the first sprocket through the chain.
  • the wind direction adjusting mechanism includes a wind deflector, and the wind deflector is movably connected to the front and rear side walls of the oven through a rotating shaft, the wind deflector is a plurality of the wind deflector
  • the axes of the axes of rotation are parallel to each other and lie in a plane which is parallel to the bottom surface of the oven.
  • the heating unit includes an electric heating tube disposed above or below the windshield, the electric heating tubes being plural and each being parallel to a bottom surface of the oven.
  • the utility model further comprises a plurality of air guiding baffles disposed under the wind deflector, and a region directly adjacent to an area between the adjacent two air guiding baffles is a wind deflecting plate.
  • the electric heating tube has two upper and lower layers, and both layers are parallel to the bottom surface of the oven.
  • a fully automatic vacuum preheating furnace comprising a furnace box having an opening at both ends, a vacuuming device for vacuuming the furnace box, and a conveying device arranged to drive the movement of the material in the furnace box, the opening is arranged
  • the invention has an automatic sealing door, further comprising a preheating device, wherein the preheating device comprises an air inlet device disposed under the furnace box and communicating with the furnace box, and is disposed above the furnace box and connected to the furnace box a return air device comprising a heating unit and a wind direction adjusting mechanism.
  • the opening of the furnace box is closed by the sealing door of the automatic vacuum preheating furnace or the sealing door of the external equipment, and the vacuuming device draws a certain degree of vacuum into the furnace box.
  • the wind device sends the wind into the oven, and the wind is heated when passing through the heating unit. After the heated wind passes through the adjustment of the wind direction adjustment mechanism, it enters the furnace box to preheat the material, and the return air device winds the air inside the furnace box. It is sucked away, so that the material in the oven can be quickly and efficiently preheated by the heated wind.
  • the wind direction adjusting mechanism includes a wind deflector, and the wind deflector is movably connected to the front and rear side walls of the oven through a rotating shaft, the wind deflector is a plurality of and the axes of the rotating shafts of the wind deflecting plate are parallel to each other and They are all located in a plane parallel to the bottom surface of the furnace box.
  • the heating unit includes an electric heating tube disposed above or below the windshield, the electric heating tube is plural and both are parallel to the bottom surface of the furnace box, and the incoming wind can be rapidly heated by the electric heating tube.
  • the rapidly warming wind can be adjusted to the material at the most suitable angle by the adjustment of the wind direction adjusting mechanism, so that the material can be heated efficiently, and the electric heating tube can be set to ensure that the incoming wind rapidly rises to the temperature required for the preheating material.
  • the electric heating tube has two upper and lower layers.
  • Both layers are located in parallel on the bottom surface of the furnace box, and two layers of electric heating tubes can be used to heat the wind more efficiently, thereby improving the preheating efficiency.
  • the air inlet device is connected to the furnace box through an air inlet, and a plurality of through holes are arranged in a region corresponding to the air inlet at the bottom of the furnace box, and the heated wind passes through the through hole to more uniformly pass from the furnace box.
  • the bottom surface is blown into the furnace box, which can ensure that the material is heated evenly without partial overheating or partial heat shortage, thereby ensuring a better preheating effect of the material.
  • the outlet of the return air device is in communication with the inlet of the air inlet device, so that the wind passing through the air return device can enter the furnace box again through the air inlet device, because the wind passing through the air return device has a certain temperature, so that It can save energy by pre-heating the material through the air inlet device into the oven.
  • the preheating device has multiple sets and is distributed along the conveying direction of the conveying device. The installation of multiple sets of preheating devices can ensure that the fully automatic vacuum preheating furnace preheats more materials at one time and improves the efficiency of preheating.
  • a plurality of air guiding baffles are arranged below the wind deflector, and a wind deflecting plate is directly above the area between the adjacent two air guiding baffles, and an air guiding baffle is arranged to guide the wind to the electric heating pipe
  • the location is such that the wind is efficiently heated, and the wind deflector will direct the wind to the position of the wind direction adjustment mechanism to ensure that the wind direction is positioned to the optimal orientation, thereby achieving efficient preheating of the material.
  • the conveying device comprises a first gear disposed in the oven, the first gear is driven by a motor, and the first gear is arranged to facilitate stable driving of the material trolley with the rack mounted at the bottom, thereby ensuring materials can Quickly enter the fully automatic vacuum preheating furnace from the previous station, and ensure that the materials after the preheating can quickly enter the vacuum drying furnace, which improves the efficiency of vacuum preheating.
  • the first gear is coaxially and fixedly coupled to the first sprocket
  • the conveying device further includes a second gear disposed in the oven, the second gear being coaxially and fixedly connected to the second sprocket,
  • the second sprocket is driven by the first sprocket through the chain, which ensures that the material trolleys of various length specifications can smoothly enter from the previous station into the fully automatic vacuum preheating furnace, and can smoothly pass from the previous station.
  • the fully automatic vacuum preheating furnace enters the vacuum drying oven.
  • Figure 1 is a schematic view of the overall structure of the present invention
  • Figure 2 is a schematic structural view of a conveying device of the present invention
  • Figure 3 is a schematic structural view of the bottom of the oven of the present invention.
  • Figure 4 is a schematic view showing the installation structure of the air deflector of the present invention.
  • Fig. 5 is a schematic structural view of a windshield of the present invention.
  • a fully automatic vacuum preheating furnace includes a furnace box 10 having openings 11 at both ends, a vacuuming device for vacuuming the furnace box 10, and a driving material disposed in the furnace box 10
  • the moving conveyor 20 and the preheating device 30 may be only a vacuum pump, or may be composed of a vacuum pump and a filter and/or a Roots pump, wherein the filter may be a dry ice filter or an oil and gas filter, and the vacuuming device in this embodiment is composed of a vacuum pump and an oil filter. composition.
  • the conveying device 20 may be a conveyor belt, a conveying roller or a gear provided inside the furnace box 10 for driving a material trolley provided with a rack at the bottom.
  • the conveying device 20 in this embodiment employs a gear provided in the oven 10 to drive a material trolley provided with a rack at the bottom.
  • An automatic sealing door 12 is disposed on the opening 11
  • the preheating device 30 includes an air inlet device 310 disposed under the furnace box 10 and communicating with the furnace box 10 and disposed above the furnace box 10 and A return air device 320 communicating with the oven 10, the air inlet device 310 includes a heating unit 311 and a wind direction adjusting mechanism 313.
  • the outlet of the return air device 320 is in communication with the inlet of the air inlet device 310.
  • the preheating device 30 has a plurality of sets and is distributed along the conveying direction of the conveying device 20.
  • the air inlet device 310 communicates with the furnace box 10 through an air inlet 315.
  • a plurality of through holes 11 are defined in a region corresponding to the air inlet 315 at the bottom of the furnace box 10.
  • a plurality of air guiding partitions 316 are disposed under the wind deflector 314, and a windshield 314 is directly above the area between the adjacent two air guiding partitions 316.
  • the wind direction adjusting mechanism 313 includes a wind deflector 314.
  • the wind deflector 314 is movably connected to the front and rear sidewalls of the oven 10 through a rotating shaft 317.
  • the axes of the rotating shafts 317 of the wind deflector 314 are parallel to each other and are located in a plane parallel to the bottom surface of the oven 10.
  • the heating unit 311 includes an electric heating tube 312 disposed above or below the wind deflector 314 , and the electric heating tubes 312 are plural and both are parallel to the bottom surface of the furnace box 10 .
  • the electric heating tube 312 has two upper and lower layers, and both layers are parallel to the bottom surface of the furnace box 10.
  • the delivery device 20 includes a first gear 22 disposed within the oven 10, the first gear 22 being driven by a motor.
  • the first gear 22 is coaxially and fixedly coupled to the first sprocket 23, and the conveying device 20 further includes a second gear 24 disposed in the oven 10, the second gear 24 and the second sprocket 25 is coaxial and fixedly connected, and the second sprocket 25 is driven by the first sprocket 23 via the chain 625.

Abstract

一种全自动真空预热炉，包括两端设有开口的炉箱（10）、对炉箱（10）抽真空的抽真空设备以及设置在炉箱（10）内驱动物料移动的输送装置（20），开口上设置有自动密封门（12），还包括预热装置（30），预热装置（30）包括设置在炉箱（10）下方且与炉箱（10）连通的进风装置（310）及设置在炉箱（10）上方且与炉箱（10）连通的回风装置（320），进风装置（310）包括加热单元（311）以及风向调节机构（313），该全自动真空预热炉能够在物料进行真空干燥前对其进行真空预热。

Description

一种全自动真空预热炉 技术领域
本发明涉及一种全自动真空预热炉，特别是涉及一种能够在物料进行真空干燥前对其进行高效的真空预热的全自动真空预热炉。
背景技术
真空干燥是电子元器件加工中较为重要的一道工序。通过这道工序可以降低电子元器件中的所含的水分，使其满足相应的使用要求。真空干燥工序较多的应用在电子元器件的生产加工中，尤其是应用在超级电容器或者是锂电池的生产加工中。目前的真空干燥设备大多是设置单独的真空的干燥炉并使用物料小车将需要真空干燥的电子元器件运送到真空干燥设备中进行加工，目前的这种真空干燥设备的加工效率低且无法实现真空条件下对干湿度和温度的高度均匀控制。采用多台相对开设有出入口的真空干燥设备组成一套可以连续加工的真空干燥系统，通过对各台真空设备设定不同的真空度、干燥温度以及干燥时间，这样可以解决前述单台真空干燥设备所存在的不足。但是让物料直接进入真空干燥系统会出现真空干燥效率不高、干燥效果不好的问题，设置与真空干燥系统配合工作的全自动真空预热炉能够很好的解决这一问题。现在亟需一种能够对物料进行高效的真空预热的全自动真空预热炉。
 技术问题
本发明所要解决技术问题是，提供一种能够对物料进行高效的真空预热的全自动真空预热炉。
 技术解决方案
为解决以上技术问题，本发明的技术方案是：一种全自动真空预热炉，包括两端设有开口的炉箱、对所述炉箱抽真空的抽真空设备以及设置在所述炉箱内驱动物料移动的输送装置，所述开口上设置有自动密封门，其关键是：还包括预热装置，所述预热装置包括设置在所述炉箱下方且与所述炉箱连通的进风装置及设置在所述炉箱上方且与所述炉箱连通的回风装置，所述进风装置包括加热单元以及风向调节机构。
作为本发明的改进一，所述进风装置通过进风口与所述炉箱连通，所述炉箱底部与所述进风口对应的区域上设置有若干通孔。
作为本发明的改进二，所述回风装置的出口与所述进风装置的入口连通。
作为本发明的改进三，所述预热装置有多套且沿所述输送装置的输送方向分布。
作为本发明的改进四，所述输送装置包括设置在所述炉箱内的第一齿轮，所述第一齿轮由电机驱动。
作为本发明进一步的改进，所述第一齿轮与第一链轮同轴且固定连接，所述输送装置还包括设置在所述炉箱内的第二齿轮，所述第二齿轮与第二链轮同轴且固定连接，所述第二链轮通过链条由第一链轮驱动。
作为本发明的改进五，所述风向调节机构包括挡风板，所述挡风板通过转轴与所述炉箱前后两侧壁活动连接，所述挡风板为多个且所述挡风板的转轴的轴线相互平行并均位于一个平面内，该平面平行于所述炉箱的底面。
作为本发明进一步的改进，所述加热单元包括设置在所述挡风板上方或者下方的电加热管，所述电加热管为多个且均与所述炉箱的底面平行。还包括设置在所述挡风板下方的若干导风隔板，相邻两个导风隔板之间的区域所对应的正上方为挡风板。
作为本发明更进一步的改进，所述电加热管有上下两层，两层均平行位于所述炉箱的底面。
 有益效果
通过实施本发明可取得以下有益效果：
一种全自动真空预热炉，包括两端设有开口的炉箱、对所述炉箱抽真空的抽真空设备以及设置在所述炉箱内驱动物料移动的输送装置，所述开口上设置有自动密封门，还包括预热装置，所述预热装置包括设置在所述炉箱下方且与所述炉箱连通的进风装置及设置在所述炉箱上方且与所述炉箱连通的回风装置，所述进风装置包括加热单元以及风向调节机构。在物料通过输送装置进入到炉箱中后，炉箱的开口被全自动真空预热炉的密封门或者是外部设备的密封门闭合，抽真空设备将炉箱内抽到一定的真空度，进风装置将风送入炉箱，风在经过加热单元时会被加热，经过加热后的风经过风向调节机构的调节进入到炉箱内对物料进行预热，回风装置将炉箱内的风吸走，这样通过加热的风就可以对炉箱内的物料进行快速高效的预热。在对物料预热好后，自动密封门打开，输送装置快速将物料移动到全自动真空预热炉内进行真空干燥，这使得全自动真空预热炉能够与真空干燥炉进行高效的配合，对物料进行高效的真空干燥。所述风向调节机构包括挡风板，所述挡风板通过转轴与所述炉箱前后两侧壁活动连接，所述挡风板为多个且所述挡风板的转轴的轴线相互平行且均位于一个平面内，该平面平行于所述炉箱的底面，通过旋转挡风板的转轴就能够调整挡风板相对炉箱的底面的角度，保证加热后的风以最佳的角度吹到物料上，从而提升预热的效率。所述加热单元包括设置在所述挡风板上方或者下方的电加热管，所述电加热管为多个且均与所述炉箱的底面平行，进来的风通过电加热管能够快速升温，快速升温的风再经过风向调节机构的调整能够以最适合的角度吹到物料上，从而高效的对物料进行加热，设置电加热管能够保证进来的风快速升到预热物料所需要的温度。所述电加热管有上下两层。两层均平行位于所述炉箱的底面，设置两层电加热管能够更加高效的对风进行加热，从而提升预热效率。所述进风装置通过进风口与所述炉箱连通，所述炉箱底部与所述进风口对应的区域上设置有若干通孔，经过加热后的风通过通孔能够更加均匀的从炉箱的底面吹入炉箱内，这能够保证物料预热时受热均匀不会局部过热或者局部受热不足，从而保证物料有较好的预热效果。所述回风装置的出口与所述进风装置的入口连通，这样通过回风装置的风可以再次通过进风装置进入到炉箱内，因为通过回风装置的风还有一定的温度，让其通过进风装置再次进入到炉箱内对物料进行预热可以节省能源。所述预热装置有多套且沿所述输送装置的输送方向分布，设置多套预热装置能够保证全自动真空预热炉一次性对较多的物料进行预热，提升预热的效率。在所述挡风板下方设置有若干导风隔板，相邻两个导风隔板之间的区域所对应的正上方为挡风板，设置导风隔板可以将风导向到电加热管所在位置，从而对风进行高效加热，同时导风隔板将可以将风导向到风向调节机构所在位置，保证风向定位到最佳方位，从而实现对物料的高效预热。所述输送装置包括设置在所述炉箱内的第一齿轮，所述第一齿轮由电机驱动，设置第一齿轮能够方便对底部安装有齿条的物料小车进行稳定的驱动，从而保证物料能够从前一工位快速进入到全自动真空预热炉中，也保证进过预热后的物料能够快速的进入到真空干燥炉内，这提升了真空预热的效率。所述第一齿轮与第一链轮同轴且固定连接，所述输送装置还包括设置在所述炉箱内的第二齿轮，所述第二齿轮与第二链轮同轴且固定连接，所述第二链轮通过链条由第一链轮驱动，这保证了各种长度规格的物料小车都能够顺利的从上一工位进入到全自动真空预热炉中，也都能顺利的从全自动真空预热炉中进入到真空干燥炉中。
 附图说明
下面结合说明书附图对本发明做进一步详细的描述，其中：
图1是本发明的整体结构示意图；
图2是本发明的输送装置的结构示意图；
图3是本发明的炉箱底部的结构示意图；
图4是本发明的导风隔板的安装结构示意图；
图5是本发明的挡风板的结构示意图。
 本发明的最佳实施方式
本发明的实施方式
如图1所示，一种全自动真空预热炉，包括两端设有开口11的炉箱10、对所述炉箱10抽真空的抽真空设备、设置在所述炉箱10内驱动物料移动的输送装置20以及预热装置30。抽真空设备可以仅仅是真空泵，也可以由真空泵与过滤器和/或罗茨泵组成，其中过滤器可以是干冰过滤器或者油气过滤器，本实施例中的抽真空设备由真空泵与油气过滤器组成。输送装置20可以是输送带、输送辊轮或者是在炉箱10的内设置齿轮用以驱动底部设置有齿条的物料小车。本实施例中的输送装置20采用了在炉箱10内设置齿轮来驱动底部设置有齿条的物料小车。所述开口11上设置有自动密封门12，所述预热装置30包括设置在所述炉箱10下方且与所述炉箱10连通的进风装置310及设置在所述炉箱10上方且与所述炉箱10连通的回风装置320，所述进风装置310包括加热单元311以及风向调节机构313。所述回风装置320的出口与所述进风装置310的入口连通。所述预热装置30有多套且沿所述输送装置20的输送方向分布。
如图1、3所示，所述进风装置310通过进风口315与所述炉箱10连通，所述炉箱10底部与所述进风口315对应的区域上设置有若干通孔11。
如图1、4所示，在所述挡风板314下方设置有若干导风隔板316，相邻两个导风隔板316之间的区域所对应的正上方为挡风板314。
如图1、5所示，所述风向调节机构313包括挡风板314，所述挡风板314通过转轴317与所述炉箱10前后两侧壁活动连接，所述挡风板314为多个且所述挡风板314的转轴317的轴线相互平行并均位于一个平面内，该平面平行于所述炉箱10的底面。所述加热单元311包括设置在所述挡风板314上方或者下方的电加热管312，所述电加热管312为多个且均与所述炉箱10的底面平行。所述电加热管312有上下两层，两层均平行位于所述炉箱10的底面。
如图2所示，所述输送装置20包括设置在所述炉箱10内的第一齿轮22，所述第一齿轮22由电机驱动。所述第一齿轮22与第一链轮23同轴且固定连接，所述输送装置20还包括设置在所述炉箱10内的第二齿轮24，所述第二齿轮24与第二链轮25同轴且固定连接，所述第二链轮25通过链条625由第一链轮23驱动。
必须指出，上述实施例只是对本发明做出的一些非限定性举例说明。但本领域的技术人员会理解，在没有偏离本发明的宗旨和范围下，可以对本发明做出修改、替换和变更，这些修改、替换和变更仍属本发明的保护范围。
 工业实用性
序列表自由内容

Claims (10)

  1. 一种全自动真空预热炉，包括两端设有开口（11）的炉箱（10）、对所述炉箱（10）抽真空的抽真空设备以及设置在所述炉箱（10）内驱动物料移动的输送装置（20），所述开口（11）上设置有自动密封门（12），其特征是：还包括预热装置（30），所述预热装置（30）包括设置在所述炉箱（10）下方且与所述炉箱（10）连通的进风装置（310）及设置在所述炉箱（10）上方且与所述炉箱（10）连通的回风装置（320），所述进风装置（310）包括加热单元（311）以及风向调节机构（313）。
  2. 根据权利要求1所述的一种全自动真空预热炉，其特征是：所述风向调节机构（313）包括挡风板（314），所述挡风板（314）通过转轴（317）与所述炉箱（10）前后两侧壁活动连接，所述挡风板（314）为多个且所述挡风板（314）的转轴（317）的轴线相互平行并均位于一个平面内，该平面平行于所述炉箱（10）的底面。
  3. 根据权利要求2所述的一种全自动真空预热炉，其特征是：所述加热单元（311）包括设置在所述挡风板（314）上方或者下方的电加热管（312），所述电加热管（312）为多个且均与所述炉箱（10）的底面平行。
  4. 根据权利要求3所述的一种全自动真空预热炉，其特征是：所述电加热管（312）有上下两层，两层均平行位于所述炉箱（10）的底面。
  5. 根据权利要求1所述的一种全自动真空预热炉，其特征是：所述进风装置（310）通过进风口（315）与所述炉箱（10）连通，所述炉箱（10）底部与所述进风口（315）对应的区域上设置有若干通孔（11）。
  6. 根据权利要求1所述的一种全自动真空预热炉，其特征是：所述回风装置（320）的出口与所述进风装置（310）的入口连通。
  7. 根据权利要求1至6中任何一项所述的一种全自动真空预热炉，其特征是：所述预热装置（30）有多套且沿所述输送装置（20）的输送方向分布。
  8. 根据权利要求2至6中任何一项所述的一种全自动真空预热炉，其特征是：还包括设置在所述挡风板（314）下方的若干导风隔板（316），相邻两个导风隔板（316）之间的区域所对应的正上方为挡风板（314）。
  9. 根据权利要求1至6中任何一项所述的一种全自动真空预热炉，其特征是：所述输送装置（20）包括设置在所述炉箱（10）内的第一齿轮（22），所述第一齿轮（22）由电机驱动。
  10. 根据权利要求9所述的一种全自动真空预热炉，其特征是：所述第一齿轮（22）与第一链轮（23）同轴且固定连接，所述输送装置（20）还包括设置在所述炉箱（10）内的第二齿轮（24），所述第二齿轮（24）与第二链轮（25）同轴且固定连接，所述第二链轮（25）通过链条（625）由第一链轮（23）驱动。
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