CN203621400U - Microwave drying equipment suitable for drying large-size sand model - Google Patents
Microwave drying equipment suitable for drying large-size sand model Download PDFInfo
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- CN203621400U CN203621400U CN201320650139.1U CN201320650139U CN203621400U CN 203621400 U CN203621400 U CN 203621400U CN 201320650139 U CN201320650139 U CN 201320650139U CN 203621400 U CN203621400 U CN 203621400U
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- microwave
- drying
- large scale
- mold
- resonator
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- 238000001035 drying Methods 0.000 title claims abstract description 112
- 239000004576 sand Substances 0.000 title claims abstract description 73
- 238000007791 dehumidification Methods 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to microwave drying equipment suitable for drying a large-size sand model. The microwave drying equipment comprises a microwave source, a machine frame, a dehumidification system and a control system, wherein a resonant cavity used for placing the sand model is arranged on the machine frame; the microwave source outputs microwaves to the resonant cavity through a waveguide tube; the dehumidification system is connected to the resonant cavity and used for exhausting water vapor generated in a drying process; the control system is in communication connection with the dehumidification system and the microwave source and controls the dehumidification system and the microwave source so as to detect and control the surface temperature of the sand model and the humidity in the resonant cavity. According to the scheme, the microwaves are output to the resonant cavity to dry the sand model in the resonant cavity; the microwave drying equipment is provided with the dehumidification system; the control system is in communication connection with the microwave source and the dehumidification system to control the microwave source and the dehumidification system, so that parameters, such as the surface temperature of the sand model and the humidity in the resonant cavity are detected and controlled, and the sand model is cured and dried more effectively.
Description
Technical field
The utility model relates to microwave drying equipment, relates in particular to a kind of microwave drying equipment that is suitable for large scale mold drying.
Background technology
Sand mold is the foundry goods die cavity made from roughing sand, adhesive and other auxiliary materials in Foundry Production.By the difference that uses adhesive, sand mold can be divided into clay sand mold, self-hardening resin sand mold and automatic harding glass sand mold.In the intensity process of setting up according to sand mold itself, the difference of its bonding mechanism, makes the method that sand mold can be divided into three types conventionally, i.e. mechanical adhesion moulding, chemical bonding moulding and physical bond moulding.In modeling process, molding sand moulding under external force also reaches certain degree of packing or density and become sand mold.
Sand mold, through drying, can increase its intensity and gas permeability, reduces the gas forming amount in casting process, guarantees casting quality.But because moulding, coremaking material therefor difference and size are different, the stoving process of sand mold is also different.What conventionally adopt at present is that drying oven or portable drier dry, and also has the heating mantles of employing or far infrared stove.These drying plants all can not effectively be controlled the drying course of sand mold, particularly reach the large scale sand mold of 400 millimeters for thickness, and it dries lack of homogeneity; Drying time is long, and efficiency is low; Energy consumption is high, cannot effectively realize solidifying of sand mold and be dried.Therefore, be necessary to improve for the above-mentioned defect existing in prior art.
Utility model content
Main purpose of the present utility model is to provide a kind of microwave drying equipment that is suitable for large scale mold drying, and described microwave drying equipment is simple in structure, can more effectively realize solidifying of sand mold and be dried.
To achieve these goals, the utility model provides a kind of large scale to be suitable for the microwave drying equipment of mold drying, comprise microwave source, frame, dehumidification system and control system, described frame is provided with the resonator for placing described sand mold, and described microwave source exports microwave to described resonator by waveguide; Described dehumidification system is connected to described resonator, to discharge the steam producing in drying course; Described control system is connected with described dehumidification system and described microwave source communication and controls described dehumidification system and described microwave source, so that the humidity in the surface temperature to described sand mold and described resonator detects and controls.
Further, aforementioned microwave drying equipment also comprises the rotary system for rotate aforementioned sand mold at drying course.
Further, aforementioned rotary system comprises electric rotating machine, transmission mechanism and rotary-tray, and aforementioned rotary-tray is used for carrying aforementioned sand mold.
Further, aforementioned rotary system is at the uniform velocity rotating aforementioned sand mold at drying course.
Further, aforementioned microwave drying equipment also comprises the hot blast accessory system for optionally supply with hot blast to aforementioned resonator at drying course.
Further, aforementioned control system, according to the humidity in the surface temperature of aforementioned sand mold in drying course and/or aforementioned resonator, detects drying course, guarantees mold drying quality.
Further, aforementioned hot blast accessory system comprises thermal source and blower fan.
Further, aforementioned thermal source is superheated steam thermal source or electrical heating thermal source, and the bottom of aforementioned resonator has hot blast and sends into mouth, and aforementioned hot blast accessory system also comprises the adjusting device that the temperature to sent into hot blast and flow regulate according to technological requirement.
Further, aforementioned microwave drying equipment also comprises the carrying system for moving and carry aforementioned sand mold.
Further, aforementioned carrying system comprises load transferring vehicle, and aforementioned upper load transferring vehicle is for pushing aforementioned sand mold aforementioned resonator and support aforementioned sand mold.
Further, aforementioned microwave drying equipment also comprises the video monitoring system for carrying out drying course visualized management.
Further, aforementioned microwave source is the industrial microwave source of 915 megahertzes, and adopts the microwave power supply of industrial 915 megahertzes and the microwave magnetron of the 915 megahertzes generation microwave that matches.
Further, aforementioned control system comprises PLC control system, also comprises for detection of the infrared temperature-test sensor of the surface temperature of aforementioned sand mold with for detection of the humidity sensor of humidity in aforementioned resonator.
Further, aforementioned dehumidification system comprises dehumidifying pipelines and wet-emitting blower, and aforementioned dehumidifying pipelines is connected to the top of aforementioned resonator.
Further, aforementioned resonator is provided with the door body that suppresses mechanism with chokes, to reduce microwave leakage amount.
According to the technical solution of the utility model, because the microwave that microwave source is produced is delivered to resonator, the sand mold in resonator is dried, and this microwave drying equipment has dehumidification system, control system is carried out communication with microwave source and dehumidification system and is connected to control described microwave source and dehumidification system, thereby realize the isoparametric detection of humidity and control in the surface temperature resonant cavity of sand mold, can more effectively realize solidifying of sand mold and be dried.
Accompanying drawing explanation
Figure of description is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the structural representation of the microwave drying equipment of the utility model embodiment.
The specific embodiment
It should be noted that, in the situation that clearly not limiting or not conflicting, the feature in each embodiment of the present utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
The defect existing for prior art, the utility model provides a kind of improved microwave drying equipment, it is suitable for large scale mold drying, comprise microwave source, frame, dehumidification system and control system, described frame is provided with the resonator for placing described sand mold, and described microwave source exports microwave to described resonator by waveguide; Described dehumidification system is connected to described resonator, to discharge the steam producing in drying course; Described control system is connected with described dehumidification system and described microwave source communication and controls described dehumidification system and described microwave source, so that the humidity in the surface temperature to described sand mold and described resonator detects and controls.
Fig. 1 is according to the structural representation of the microwave drying equipment of the utility model embodiment, and as shown in Figure 1, this microwave drying equipment comprises microwave source 10, frame 20, dehumidification system and control system.
Wherein, the main bearing part that frame 20 is this microwave drying equipment, it is formed by square tubes soldering, outer sheet metal component, surface lacquer or the plastic-blasting of covering.Frame 20 is provided with resonator 30, wherein for placing sand mold to be dried 60.Microwave source 10 is connected to resonator 30 by upper and lower two waveguides 11, thereby exports microwave to resonator 30.This microwave, in waveguide 11 imports resonator 30, has formed uniform microwave field, and the sand mold after oven dry can obtain good intensity and gas permeability.
For large scale sand mold described in the utility model, more than its thickness reaches 400mm conventionally, even reach 600mm.In order to realize better the curing drying effect of sand mold, utility model people is according to the feature of large scale mold drying, through research repeatedly, wavelength length and 915 good microwaves of penetrability are selected, be the industrial microwave source that microwave source 10 is preferably 915 megahertzes, and adopt the microwave power supply of industrial 915 megahertzes and the microwave magnetron of the 915 megahertzes generation microwave that matches.
This 915 microwave source mainly comprises the building blocks such as microwave power supply, magnetron, circulator, water load and waveguide, and microwave output power is adjustable continuously, to meet different technological requirements.
This dehumidification system comprises dehumidifying pipelines 71 and wet-emitting blower 72, and dehumidifying pipelines 71 is connected to the top of resonator 30.Under the drive of wet-emitting blower 72, this dehumidification system is discharged from resonator 30 for the steam that drying course is produced, thereby accelerates drying course, improves the drying effect of sand mold.
Control system is connected with dehumidification system and microwave source 10 communications, and detects and control for the humidity in the surface temperature resonant cavity 30 to sand mold 60.Control system is mainly made up of PLC control system and correlation module, low-voltage electrical apparatus components and parts etc., can realize automatic detection and the execution of various technological parameters in drying course.The various technological parameters that arrive by analyzing and testing, control system can be according to predefined sand mold performance data and target component, immediately adjust the power output of microwave source and the power of dehumidification system, thereby control better the various parameters in drying course, realized the beneficial effect of automation adjustment and optimization control.
Preferably, control system can comprise PLC control system, also comprises for detection of the infrared temperature-test sensor of the surface temperature of sand mold 60 with for detection of the humidity sensor of resonator 30 interior humidity.Infrared temperature-test sensor can be arranged on cavity side and/or the end face of resonator 30, to measure exactly the surface temperature of sand mold 60 in the drying course of sand mold 60.Humidity sensor can be arranged on the correct position in dehumidifying pipelines 71, so that the humidity in Measurement accuracy resonator 30.
This microwave drying equipment can also comprise rotary system, and it is for rotating sand mold 60 at drying course.Referring to Fig. 1, described rotary system comprises electric rotating machine 41, transmission mechanism 42 and rotary-tray 43.Rotary-tray 43 is for carrying sand mold 60, and for rotating sand mold 60.
Preferably, rotary system can at the uniform velocity rotate sand mold 60 in drying course.Like this, under the effect of electric rotating machine 41 and rotary-tray 43, sand mold 60 can uniform rotation in microwave field, realizes the uniformity of microwave, can allow being heated of sand mold 60 each positions more even, has advantageously improved curing drying effect.
This microwave drying equipment can also comprise hot blast accessory system, and it is for optionally supplying with hot blast to resonator 30 at drying course.Described hot blast accessory system comprises thermal source and blower fan, and thermal source can adopt superheated steam or electrically heated form, and hot blast can be sent into from the bottom of resonator 30.For example, the hot blast that can arrange specially from resonator 30 bottoms is sent into mouth 80, and hot blast is sent into.By sending into hot blast from the bottom of resonator 30, due to the upwards mobility of hot blast, can heat from bottom to up the sand mold 60 of placing in resonator 30, then carrying steam and discharging through dehumidifying pipelines 71.Like this, make to have carried out heat exchange as far as possible fully between itself and sand mold 60, take full advantage of the heat of hot blast.
And described hot blast accessory system also comprises the adjusting device that the temperature to sent into hot blast and flow regulate according to technological requirement.In drying course, the temperature of hot blast and flow can carry out adjusting by a relatively large margin according to process conditions, have effectively made up microwave source 10 and have heated the limitation that may exist, and have improved controllability and the drying efficiency of drying course.
This microwave drying equipment can also comprise the carrying system for moving and carry described sand mold, described carrying system comprises load transferring vehicle 50, upper load transferring vehicle 50 is for pushing described sand mold resonator 30 and supporting sand mold 60, and this carrying system can also comprise the lower load transferring vehicle for transporting sand mold.And, can also outside this microwave drying equipment, shifting apparatus be set, it can coordinate with the upper load transferring vehicle 50 in resonator 30, facilitates the loading or unloading operation of sand mold 60.
In addition, this microwave drying equipment can also video monitoring system, thereby realizes the visualized management of drying course, is conducive to find intuitively at any time the problem that may occur in drying course.
In the whole equipment shown in Fig. 1, this microwave drying equipment comprises microwave source 10, frame 20, resonator 30, dehumidification system, control system, hot blast accessory system and rotary system etc., by control system and microwave source 10, dehumidification system, communication between hot blast accessory system and rotary system connects, realize in drying course microwave output power, pallet velocity of rotation, hot blast temperature and flow, the automation detection and control of the various parameters such as temperature and humidity, whole drying course to sand mold has carried out good control, effectively realize solidifying of sand mold dry.
Described microwave drying equipment of the present utility model according to embodiment above, but this microwave drying equipment is not limited in the parts described in this embodiment and/or annexation.For example, microwave drying equipment also can not comprise rotary system, hot blast accessory system, carrying system and video monitoring system, still can realize its basic object; Microwave source is also not limited to the industrial microwave source of 915 megahertzes.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (15)
1. one kind is suitable for the microwave drying equipment of large scale mold drying, comprise microwave source, frame, dehumidification system and control system, it is characterized in that, described frame is provided with the resonator for placing described sand mold, and described microwave source exports microwave to described resonator by waveguide; Described dehumidification system is connected to described resonator, to discharge the steam producing in drying course; Described control system is connected with described dehumidification system and described microwave source communication and controls described dehumidification system and described microwave source, so that the humidity in the surface temperature to described sand mold and described resonator detects and controls.
2. the microwave drying equipment that is suitable for large scale mold drying according to claim 1, is characterized in that, described microwave drying equipment also comprises the rotary system for rotate described sand mold at drying course.
3. the microwave drying equipment that is suitable for large scale mold drying according to claim 2, is characterized in that, described rotary system comprises electric rotating machine, transmission mechanism and rotary-tray, and described rotary-tray is used for carrying described sand mold.
4. the microwave drying equipment that is suitable for large scale mold drying according to claim 2, is characterized in that, described rotary system is at the uniform velocity rotating described sand mold at drying course.
5. the microwave drying equipment that is suitable for large scale mold drying according to claim 1, is characterized in that, described microwave drying equipment also comprises the hot blast accessory system for optionally supply with hot blast to described resonator at drying course.
6. the microwave drying equipment that is suitable for large scale mold drying according to claim 5, it is characterized in that, described control system, according to the humidity in the surface temperature of sand mold described in drying course and/or described resonator, detects drying course, guarantees mold drying quality.
7. the microwave drying equipment that is suitable for large scale mold drying according to claim 5, is characterized in that, described hot blast accessory system comprises thermal source and blower fan.
8. the microwave drying equipment that is suitable for large scale mold drying according to claim 7, it is characterized in that, described thermal source is superheated steam thermal source or electrical heating thermal source, the bottom of described resonator has hot blast and sends into mouth, and described hot blast accessory system also comprises the adjusting device that the temperature to sent into hot blast and flow regulate according to technological requirement.
9. the microwave drying equipment that is suitable for large scale mold drying according to claim 1, is characterized in that, described microwave drying equipment also comprises the carrying system for moving and carry described sand mold.
10. the microwave drying equipment that is suitable for large scale mold drying according to claim 9, is characterized in that, described carrying system comprises load transferring vehicle, and described upper load transferring vehicle is for pushing described sand mold described resonator and support described sand mold.
11. microwave drying equipments that are suitable for large scale mold drying according to claim 1, is characterized in that, described microwave drying equipment also comprises the video monitoring system for carrying out drying course visualized management.
12. microwave drying equipments that are suitable for large scale mold drying according to claim 1, it is characterized in that, described microwave source is the industrial microwave source of 915 megahertzes, and adopts the microwave power supply of industrial 915 megahertzes and the microwave magnetron of the 915 megahertzes generation microwave that matches.
13. microwave drying equipments that are suitable for large scale mold drying according to claim 1, it is characterized in that, described control system comprises PLC control system, also comprises for detection of the infrared temperature-test sensor of the surface temperature of described sand mold with for detection of the humidity sensor of humidity in described resonator.
14. microwave drying equipments that are suitable for large scale mold drying according to claim 1, is characterized in that, described dehumidification system comprises dehumidifying pipelines and wet-emitting blower, and described dehumidifying pipelines is connected to the top of described resonator.
15. microwave drying equipments that are suitable for large scale mold drying according to claim 1, is characterized in that, described resonator is provided with the door body that suppresses mechanism and microwave absorbing device with chokes, to reduce microwave leakage amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320650139.1U CN203621400U (en) | 2013-10-21 | 2013-10-21 | Microwave drying equipment suitable for drying large-size sand model |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320650139.1U CN203621400U (en) | 2013-10-21 | 2013-10-21 | Microwave drying equipment suitable for drying large-size sand model |
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| CN203621400U true CN203621400U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320650139.1U Expired - Lifetime CN203621400U (en) | 2013-10-21 | 2013-10-21 | Microwave drying equipment suitable for drying large-size sand model |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506581A (en) * | 2013-10-21 | 2014-01-15 | 机械科学研究总院先进制造技术研究中心 | Microwave drying equipment suitable for drying of large-size sand mold |
| CN107931522A (en) * | 2017-10-31 | 2018-04-20 | 昌邑恒昌新材料科技有限公司 | A kind of steam condensate (SC) makees the drying automatic control system and its implementation of heat source |
-
2013
- 2013-10-21 CN CN201320650139.1U patent/CN203621400U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103506581A (en) * | 2013-10-21 | 2014-01-15 | 机械科学研究总院先进制造技术研究中心 | Microwave drying equipment suitable for drying of large-size sand mold |
| CN107931522A (en) * | 2017-10-31 | 2018-04-20 | 昌邑恒昌新材料科技有限公司 | A kind of steam condensate (SC) makees the drying automatic control system and its implementation of heat source |
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Granted publication date: 20140604 |
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| CX01 | Expiry of patent term |