阅读说明：本技术 消失模铸造模簇烘烤房自动排湿控制装置 (Automatic dehumidification control device of evaporative pattern casting mould cluster baking house ) 是由 郭跃广 王渊 陈榜初 曾冬珍 郑思远 于 2020-07-21 设计创作，主要内容包括：本发明公开了一种消失模铸造模簇烘烤房自动排湿控制装置,包括烘烤房墙体、设在烘烤房墙体下部的入风口管道和设在烘烤房盖顶中部的内置电加热的热循环风机,所述烘烤房墙体包括四面墙和盖顶；其特征是：它还包括安装于烘烤房墙体上部的排气扇、安装于烘烤房内的带传感器的湿度控制器、延时保护节能温控器、电源开关和220V电源；所述延时保护节能温控器、电源开关安装于烘烤房外；所述排气扇、湿度控制器、延时保护节能温控器和电源开关通过导线串联连接后再连接于220V电源上；所述延时保护节能温控器可设定关电时长和通电时长；所述设定湿度控制器可设定湿度值。本发明具有结构简单、操作方便高效、能耗低的特点。(The invention discloses an automatic dehumidification control device of a lost foam casting mould cluster baking room, which comprises a baking room wall body, an air inlet pipeline arranged at the lower part of the baking room wall body and a built-in electric heating thermal circulation fan arranged in the middle of the cover top of the baking room, wherein the baking room wall body comprises four walls and the cover top; the method is characterized in that: the device also comprises an exhaust fan arranged on the upper part of the wall body of the baking room, a humidity controller with a sensor, a time-delay protection energy-saving temperature controller, a power switch and a 220V power supply, wherein the humidity controller, the time-delay protection energy-saving temperature controller, the power switch and the 220V power supply are arranged in the baking room; the time-delay protection energy-saving temperature controller and the power switch are arranged outside the baking room; the exhaust fan, the humidity controller, the time-delay protection energy-saving temperature controller and the power switch are connected in series through wires and then connected to a 220V power supply; the time-delay protection energy-saving temperature controller can set power-off time and power-on time; the set humidity controller may set a humidity value. The invention has the characteristics of simple structure, convenient and efficient operation and low energy consumption.)

1. An automatic dehumidification control device of a baking room of lost foam casting cluster comprises a baking room wall body, an air inlet pipeline arranged at the lower part of the baking room wall body and a built-in electric heating thermal circulation fan arranged in the middle of a cover top of the baking room, wherein the baking room wall body comprises four walls and the cover top; the method is characterized in that: the device also comprises an exhaust fan arranged on the upper part of the wall body of the baking room, a humidity controller with a sensor, a time-delay protection energy-saving temperature controller, a power switch and a 220V power supply, wherein the humidity controller, the time-delay protection energy-saving temperature controller, the power switch and the 220V power supply are arranged in the baking room; the time-delay protection energy-saving temperature controller and the power switch are arranged outside the baking room; the exhaust fan, the humidity controller, the time-delay protection energy-saving temperature controller and the power switch are connected in series through wires and then connected to a 220V power supply; the time-delay protection energy-saving temperature controller can set power-off time and power-on time; the set humidity controller may set a humidity value.

2. The automatic moisture-removing control device for the baking room of the lost foam casting mold cluster as claimed in claim 1, which is characterized in that: the time-delay protection energy-saving temperature controller is set with the power-off time of 30 minutes and the power-on time of 5 minutes.

3. The automatic moisture-removing control device for the baking room of the lost foam casting mold cluster as claimed in claim 1, which is characterized in that: the humidity controller has a set humidity value of 5%.

Technical Field

The invention relates to a baking device for lost foam casting mould cluster coating, in particular to an automatic dehumidification control device for a lost foam casting mould cluster baking room of a loader 863 box body and 863 shell.

Background

The foam mould cluster cast by the lost foam needs to be coated with a water-based coating layer for 2-3 times, and after each time of dip coating, the foam mould cluster needs to be baked in a baking room for more than 10 hours at the temperature of 50 ℃, a large amount of steam is generated in the baking room during the baking process, and the moisture needs to be drained timely. The dehumidification of prior art adopts generally to install into wind gap pipeline in the bakery bottom, establishes at the built-in electrical heating's of bakery lid thermal cycle fan end installation dehumidification pipeline of giving vent to anger, and the amount of wind is adjusted by the control valve of installing on the dehumidification pipeline. The dehumidifying device with the structure has the disadvantages that part of dry hot air is exhausted without playing a role, so that energy is wasted; secondly, the furnace temperature rises slowly; thirdly, drying inside the die cluster is not facilitated; fourthly, the heat energy consumption is large.

Disclosure of Invention

The invention aims to provide an automatic dehumidification control device of a lost foam casting mould cluster baking room, which has the advantages of simple structure, convenience and high efficiency in operation and low energy consumption.

In order to realize the aim, the automatic dehumidification control device of the evaporative pattern casting mould cluster baking room comprises a baking room wall, an air inlet pipeline arranged at the lower part of the baking room wall, a built-in electric heating thermal circulation fan arranged at the middle part of the top cover of the baking room, an exhaust fan arranged at the upper part of the baking room wall, a humidity controller with a sensor, a time-delay protection energy-saving temperature controller, a power switch and a 220V power supply, wherein the humidity controller is arranged in the baking room; the baking room wall body comprises a four-side wall and a cover top; the time-delay protection energy-saving temperature controller and the power switch are arranged outside the baking room; the exhaust fan, the humidity controller, the time-delay protection energy-saving temperature controller and the power switch are connected in series through wires and then connected to a 220V power supply; the time-delay protection energy-saving temperature controller can set power-off time and power-on time; the set humidity controller may set a humidity value.

The time-delay protection energy-saving temperature controller is set with the power-off time of 30 minutes and the power-on time of 5 minutes.

The humidity controller has a set humidity value of 5%.

The humidity controller and the time-delay protection energy-saving temperature controller are directly purchased from the market and belong to the prior art.

The automatic dehumidification control device of the evaporative pattern casting mould cluster baking room replaces a dehumidification pipeline with a control valve in the prior art by installing an exhaust fan of a single-phase power supply for dehumidification at a proper position of the baking room, a power line of the exhaust fan is connected in series with a time-delay protection energy-saving temperature controller, the temperature controller can set the power-off time to be 30 minutes and the power-on time to be 5 minutes, and the operation is as follows:

1. the mould cluster in the stove is under the hot gas flow effect, the steam that produces does not discharge first, but the stuffiness 30 minutes, and the purpose is for accelerating the temperature rise to do not cause the heat loss, makes the mould cluster receive the heating from the surface and inside whole, and makes inside and outside humidity difference and the temperature difference of mould cluster less, is favorable to the inner and outer skin all to obtain the temperature rise simultaneously, ensures that the mould cluster inside can heat to, is favorable to the drying of inside.

2. After the furnace is sealed for 30 minutes, the power is switched on for 5 minutes to enable the exhaust fan to work, and a large amount of steam is discharged; after the time of the time-delay protection energy-saving temperature controller is set, the time-delay protection energy-saving temperature controller can work repeatedly, completely realizes automatic control and is very convenient.

3. After each circulation, the water-containing mould cluster is dried slowly, the humidity in the furnace is reduced gradually, when the humidity in the furnace is less than 5%, because the exhaust fan is not meaningful for exhausting humidity, the humidity controller acts to stop exhausting because the exhaust fan is not electrified.

The automatic dehumidification control device for the lost foam casting mould cluster baking room has the following technical characteristics and beneficial effects:

1. the heating of the die cluster is fast, no heat loss is caused, and the energy-saving effect is good.

2. Automatic control is realized, and the operation is convenient and efficient.

3. Simple structure, low manufacturing and maintenance cost and convenient popularization.

Drawings

FIG. 1 is a schematic structural view of an automatic moisture-removing control device of a baking room of a lost foam casting mold cluster of the invention.

Reference numerals: baking house wall 1, air discharge fan 2, connecting wire 3, humidity controller 4 with sensor, time delay protection energy-saving temperature controller 5, switch 6, single-phase 220V power 7.

Detailed Description

The automatic moisture-removing control device for the baking room of the lost foam casting mould cluster of the invention is further explained in detail with reference to the attached drawings and the specific embodiment.

As shown in fig. 1, the automatic dehumidification control device of the Evaporative Pattern Casting (EPC) module baking room comprises a baking room wall 1, an air inlet pipeline arranged at the lower part of the baking room wall, a built-in electric heating thermal circulation fan arranged in the middle of the top cover of the baking room wall, an exhaust fan 2 arranged at the upper part of the baking room wall 1, a humidity controller 4 with a sensor arranged in the baking room, a time-delay protection energy-saving temperature controller 5, a power switch 6 and a 220V power supply 7; the baking room wall body 1 comprises four walls and a cover top; the time-delay protection energy-saving temperature controller 5 and the power switch 6 are arranged outside the baking room; the exhaust fan 2, the humidity controller 4, the time-delay protection energy-saving temperature controller 5 and the power switch 6 are connected in series through wires and then connected to a 220V power supply 7; the power-off time and the power-on time of the time-delay protection energy-saving temperature controller 5 are respectively set to be 30 minutes and 5 minutes; the humidity controller 4 sets the humidity value to 5%.

The automatic dehumidifying control device of the lost foam casting die cluster baking room comprises the following operation steps:

1. the on/off time of the time-delay protection energy-saving temperature controller 5 is set to be 5 minutes and 30 minutes respectively at one time, and the humidity value of the humidity controller 4 is set to be 5 percent.

2. When the die cluster is pushed into the baking room, the door is closed, and the whole baking room is basically in a closed state; the electric heating of the circulating fan is started, and the exhaust fan 2 is started and is in an automatic control state.

3. Baking house heating intensifies, mould cluster moisture evaporation, early stove internal humidity is big, set for to close for electric time for 30 minutes, make exhaust fan out of work in this period of time, the stove steam is not arranged outward earlier but smoldering furnace 30 minutes, make the mould cluster all obtain the heating from the table to the lining to make the inside and outside humidity difference of mould cluster and difference in temperature all less, be favorable to the ectonexine all to obtain simultaneously and heat, ensure that the mould cluster is inside can heat to, it is favourable to inside drying.

4. After the furnace is sealed for 30 minutes, the exhaust fan is automatically turned on, a large amount of steam is discharged, and the power is turned off after 5 minutes.

5. And the circulation is repeated until the humidity is smaller than the set value, the exhaust fan does not work even when the time for electrifying the energy-saving temperature controller 5 for 5 minutes is up to the set value, and the heat is prevented from being discharged outside.

After the above-mentioned many cycles, the die cluster containing water is dried slowly, the humidity in the stove is reduced gradually, when the humidity in the stove is less than 5%, it is meaningless to turn on the exhaust fan 2 again to exhaust humidity, at this moment the humidity controller 4 acts and closes the exhaust fan 2.