CN206083758U - Automatic sand mulling device of green -sand based on water content and temperature real -time measurement - Google Patents
Automatic sand mulling device of green -sand based on water content and temperature real -time measurement Download PDFInfo
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- CN206083758U CN206083758U CN201620844778.5U CN201620844778U CN206083758U CN 206083758 U CN206083758 U CN 206083758U CN 201620844778 U CN201620844778 U CN 201620844778U CN 206083758 U CN206083758 U CN 206083758U
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Abstract
Automatic sand mulling device of green -sand based on water content and temperature real -time measurement relates to casting sand sand preparation field. It has solved current green -sand sand mulling device owing to do not carry out real -time detection to the green -sand water content for it is inaccurate to add the water yield, and then leads to the fact green -sand mulling problem of low quality. The device by belt feeder, belt feeder controller, roller mill, roller mill spindle motor, resistance method contain water quantity sensor, green -sand temperature sensor, AD converter, computer system, slightly add water controller, finishing water controller, slightly add water flow meter, finishing water flow meter constitutes. The utility model is suitable for an automatic mulling process has improved the mulling quality of green -sand.
Description
Technical field
The utility model belongs to casting sand sand process field, and in particular to one kind is based on water content and temperature real-time measurement
The automatic mixing device of green-sand.
Background technology
Water content is an important indicator for affecting green-sand Quality of Mixing Sand, and it is too high or too low all to cause wet type chiltern
Huge fluctuation is measured, so as to cause casting wasted product to increase.If amount of water is very little, bentonite can not play its cohesive force, not only wet
The toughness of molding sand is not enough, and sand mold is easily broken, and mo ld strength is low, and foundry goods the casting such as sand washing and sand holes easily occurs and lacks
Fall into.Conversely, if amount of water is too many, the poor fluidity of green-sand, sand mold compacting is uneven, easily make foundry goods produce pin hole, pore,
Choke fire and the casting flaw such as burning into sand.Therefore, the water content of green-sand must be strictly controlled during mulling.
When green-sand is blended, the control of water content can be pinched with hand by experienced workman and molding sand is judged or carried out with sensation certainly
Dynamic control.Front kind of method human error is big；And in later approach, current many equipment can not carry out the real-time inspection of water content
Survey, therefore there is hysteresis quality.In fact, to reach the automatic Quality of Mixing Sand of preferable green-sand, need to be vary during mulling
Green sand moisture feedback signal effect, to eliminate mulling during various random disturbing factors, it is ensured that green-sand
Other performance such as wet strength, compact rate of molding, mouldability, gas permeability are stablized.Additionally, due to adopting capacitance method in some mixing systems
Detection water content, the whole control device for being is complicated, and price is higher.Therefore, it is necessary to develop a kind of new based on aqueous in real time
The automatic mixing device of amount detection.
The content of the invention
The utility model is to solve existing green-sand mixing device due to not carrying out in real time to green sand moisture
Detection so that amount of water is inaccurate, in turn results in the not high problem of green-sand Quality of Mixing Sand, there is provided one kind is based on water content and temperature
The automatic mixing device of green-sand of degree measurement in real time.
The automatic mixing device of green-sand based on water content and temperature real-time measurement, it includes that apron feeder, belt are given
Material machine controller, puddle mixer, puddle mixer spindle motor, electric-resistivity method water content sensor, green-sand temperature sensor, A/D conversions
Device, computer system, thick watering controller, finishing water controller, slightly plus water ga(u)ge, finishing water ga(u)ge.
Described apron feeder is controlled by described apron feeder controller, and described apron feeder is arranged on institute
The top of the puddle mixer stated, described mulling motor spindle installs described puddle mixer spindle motor, described electric-resistivity method water content
Sensor and described green-sand temperature sensor are arranged on inside described puddle mixer, the water outlet of described thick watering controller
Mouthful end be connected with the water inlet end of described thick plus water ga(u)ge, the water outlet end of described thick plus water ga(u)ge access described in
The top of puddle mixer, the water outlet end of described finishing water controller is connected with the water inlet end of described finishing water ga(u)ge,
The water outlet end of described finishing water ga(u)ge accesses the top of described puddle mixer.
The water content signal output part of described electric-resistivity method water content sensor and the first signal of described A/D converter
Input channel is electrically connected, and the of the temperature signal output end of described green-sand temperature sensor and described A/D converter
Binary signal input channel is electrically connected, the power signal output end and described A/D converter of described puddle mixer spindle motor
The electrical connection of the 3rd signal input channel, the flow signal output end of described thick plus water ga(u)ge and described A/D conversions
The 4th signal input channel electrical connection of device, the flow signal output end of described finishing water ga(u)ge turns with described A/D
The 5th signal input channel electrical connection of parallel operation, the signal output part and described computer system of described A/D converter
Signal input part electrical connection, the first control signal output of described computer system and the control of thick watering controller
Signal input part is electrically connected, second control signal output and described finishing water controller of described computer system
Control signal input is electrically connected, the 3rd control signal output and described apron feeder of described computer system
The control signal input electrical connection of controller.
The utility model has the effect that compared with prior art：Due to the electric-resistivity method water content sensor and wet for adopting
The water content and temperature of molding sand temperature sensor real-time detection molding sand, Jing after computer system-computed, respectively by slightly adding water control
Device processed and finishing water management are added water, and make, to adding water more accurately in puddle mixer, to substantially increase the mulling matter of green-sand
Amount.
Description of the drawings
Fig. 1 is the composition frame in the utility model based on the automatic mixing device of the green-sand of water content and temperature real-time measurement
Figure.
Specific embodiment
The utility model is elaborated below according to accompanying drawing 1 preferred embodiment.
Specific embodiment：Referring to accompanying drawing 1, the automatic mixing device of the green-sand based on water content and temperature real-time measurement,
It includes apron feeder 1, apron feeder controller 2, puddle mixer 3, puddle mixer spindle motor 4, electric-resistivity method water content sensing
It is device 5, green-sand temperature sensor 6, A/D converter 7, computer system 8, thick watering controller 9, finishing water controller 10, thick
Plus water ga(u)ge 11, finishing water ga(u)ge 12.
Described apron feeder 1 is controlled by described apron feeder controller 2, and described apron feeder 1 is installed
In the top of described puddle mixer 3, described puddle mixer spindle motor 4, described electric-resistivity method are installed in the described bottom of puddle mixer 3
Water content sensor 5 and described green-sand temperature sensor 6 are arranged on inside described puddle mixer 3, described thick plus water control
The water outlet end of device processed 9 be connected with the water inlet end of described thick plus water ga(u)ge 11, described thick to add going out for water ga(u)ge 11
The mouth of a river terminates the top into described puddle mixer 3, the water outlet end and described finishing current of described finishing water controller 10
The water inlet end connection of gauge 12, the water outlet end of described finishing water ga(u)ge 12 accesses the top of described puddle mixer 3.
The water content signal output part of described electric-resistivity method water content sensor 5 is believed with the first of described A/D converter 7
The electrical connection of number input channel, the temperature signal output end and described A/D converter 7 of described green-sand temperature sensor 6
The electrical connection of secondary signal input channel, power signal output end and the described A/D of described puddle mixer spindle motor 4 turn
The 3rd signal input channel electrical connection of parallel operation 7, the flow signal output end of described thick plus water ga(u)ge 11 with it is described
The 4th signal input channel electrical connection of A/D converter 7, the flow signal output end of described finishing water ga(u)ge 12 and institute
The 5th signal input channel electrical connection of the A/D converter 7 stated, the signal output part of described A/D converter 7 with it is described
The signal input part electrical connection of computer system 8, the first control signal output of described computer system 8 with slightly add water
The control signal input electrical connection of controller 9, the second control signal output of described computer system 8 with it is described
The control signal input electrical connection of finishing water controller 10, the 3rd control signal output of described computer system 8
It is electrically connected with the control signal input of described apron feeder controller 2.
The course of work is as follows：
Molding sand is sent in described puddle mixer 3 by described apron feeder 1, and the addition of molding sand is by described puddle mixer
The watt level of spindle motor 4 is predicted indirectly, sends the 3rd signal input channel of described A/D converter 7 to, carries out A/D
Send into described computer system 8 after conversion, the 3rd control signal output of described computer system 8 is to described belt
Feeder controller 2 sends on off control signal, and the described apron feeder 1 of control quantitatively adds sand in described puddle mixer 3.
The water content signal of the electric-resistivity method water content sensor 5, the temperature signal of described green-sand temperature sensor 6 are respectively transmitted
To first signal input channel and secondary signal input channel of described A/D converter 7, carried out by described A/D converter 7
After A/D conversions, described computer system 8 is delivered to, described computer system 8 is according to water content signal, the temperature letter for obtaining
Number and after default water content is computed, first pass through the first control signal output of described computer system 8 to described
Thick watering controller 9 sends open signal, and the thick plus water ga(u)ge 11 described in Jing is slightly added water in described puddle mixer 3,
Amount of water is detected by described thick plus water ga(u)ge 11, and the 4th signal input channel by described A/D converter 7 is delivered to
Described A/D converter 7, then described computer system 8 is delivered to, slightly add water when described computer system 8 detects to reach
During amount, stop signal is sent to described thick watering controller 9, stopping slightly adding water, while to described finishing water management 10
Go out open signal, by described finishing water ga(u)ge 12 to the described finishing water of puddle mixer 3, the finishing water yield is by described finishing
Water ga(u)ge 12, described A/D converter 7 deliver to described computer system 8, when described computer system 8 is detected
During up to the finishing water yield, to described finishing water controller 9 stop signal is sent, stop finishing water, complete the process of adding water, and by type
Sand draws off.
Present embodiment is the exemplary illustration to this patent, does not limit its protection domain, people in the art
Member can also locally be changed to it, as long as no the Spirit Essence beyond this patent, all in the protection domain of this patent.
Claims (1)
1. the automatic mixing device of the green-sand of water content and temperature real-time measurement is based on, it is characterised in that it is fed including belt
Machine（1）, apron feeder controller（2）, puddle mixer（3）, puddle mixer spindle motor（4）, electric-resistivity method water content sensor（5）、
Green-sand temperature sensor（6）, A/D converter（7）, computer system（8）, thick watering controller（9）, finishing water controller
（10）, slightly plus water ga(u)ge（11）, finishing water ga(u)ge（12）；
Described apron feeder（1）By described apron feeder controller（2）Control, described apron feeder（1）Peace
It is mounted in described puddle mixer（3）Top, described puddle mixer（3）Bottom is installed by described puddle mixer spindle motor（4）, it is described
Electric-resistivity method water content sensor（5）With described green-sand temperature sensor（6）Installed in described puddle mixer（3）Inside,
Described thick watering controller（9）Water outlet end and described thick plus water ga(u)ge（11）Water inlet end connection, it is described
Slightly add water ga(u)ge（11）Water outlet end access described puddle mixer（3）Top, described finishing water controller（10）'s
Water outlet end and described finishing water ga(u)ge（12）Water inlet end connection, described finishing water ga(u)ge（12）Delivery port
Terminate into described puddle mixer（3）Top；
Described electric-resistivity method water content sensor（5）Water content signal output part and described A/D converter（7）First letter
The electrical connection of number input channel, described green-sand temperature sensor（6）Temperature signal output end and described A/D converter
（7）Secondary signal input channel electrical connection, described puddle mixer spindle motor（4）Power signal output end with it is described
A/D converter（7）The electrical connection of the 3rd signal input channel, described thick plus water ga(u)ge（11）Flow signal output end
With described A/D converter（7）The 4th signal input channel electrical connection, described finishing water ga(u)ge（12）Flow letter
Number output end and described A/D converter（7）The 5th signal input channel electrical connection, described A/D converter（7）Letter
Number output end and described computer system（8）Signal input part electrical connection, described computer system（8）First control
Signal output part processed and thick watering controller（9）Control signal input electrical connection, described computer system（8）
Two control signal outputs and described finishing water controller（10）Control signal input electrical connection, described computer
System（8）The 3rd control signal output and described apron feeder controller（2）Control signal input electrically connect
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620844778.5U CN206083758U (en) | 2016-08-08 | 2016-08-08 | Automatic sand mulling device of green -sand based on water content and temperature real -time measurement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620844778.5U CN206083758U (en) | 2016-08-08 | 2016-08-08 | Automatic sand mulling device of green -sand based on water content and temperature real -time measurement |
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| Publication Number | Publication Date |
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| CN206083758U true CN206083758U (en) | 2017-04-12 |
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| CN201620844778.5U Expired - Fee Related CN206083758U (en) | 2016-08-08 | 2016-08-08 | Automatic sand mulling device of green -sand based on water content and temperature real -time measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405798A (en) * | 2018-03-30 | 2018-08-17 | 常州卡斯特铝精密铸造科技有限公司 | Aluminum casting mixes movement system with sand |
-
2016
- 2016-08-08 CN CN201620844778.5U patent/CN206083758U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108405798A (en) * | 2018-03-30 | 2018-08-17 | 常州卡斯特铝精密铸造科技有限公司 | Aluminum casting mixes movement system with sand |
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