CN207840031U - A kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment - Google Patents

A kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment Download PDF

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Publication number
CN207840031U
CN207840031U CN201820183010.7U CN201820183010U CN207840031U CN 207840031 U CN207840031 U CN 207840031U CN 201820183010 U CN201820183010 U CN 201820183010U CN 207840031 U CN207840031 U CN 207840031U
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China
Prior art keywords
drawn needle
control device
sand core
preset value
thermostatic type
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CN201820183010.7U
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Chinese (zh)
Inventor
郭定军
姚太忠
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TONGLIN CASTING INDUSTRIAL Co Ltd
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TONGLIN CASTING INDUSTRIAL Co Ltd
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Abstract

The utility model discloses a kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment, are related to sand core casting technology field.The thermostatic type sand core drawn needle includes drawn needle ontology, heating device, temperature sensor and control device.Temperature sensor is for detecting the intrinsic temperature of drawn needle and generating temperature data, and temperature data is sent to control device, control device is connect with heating device, control device is used to heat less than or equal to the first preset value time control refrigerating/heating apparatus in temperature data, and control device is additionally operable to close more than or equal to the second preset value time control refrigerating/heating apparatus in temperature data.Compared with drawn needle in the prior art, thermostatic type sand core drawn needle provided by the utility model is as a result of the temperature sensor for being installed on the intrinsic heating device of drawn needle and being connect with control device, the temperature of drawn needle ontology is controlled between the first preset value and the second preset value so can realize, high degree of automation, so that sand core solidification effect is good, it is highly practical.

Description

A kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment
Technical field
The utility model is related to sand core casting technology fields, in particular to a kind of thermostatic type sand core drawn needle and cover Film sand coremaking equipment.
Background technology
Sand casting refers to that the casting method of casting is produced in sand mold.Steel, iron and most of non-ferrous alloy castings all may be used It is obtained with sand mould casting method.Since the Modeling Material used in sand casting is cheap and easy to get, Casting mold manufacturing is easy, to the list of casting Part production is produced by batch and is adapted to mass production, is always the basic technology in Foundry Production for a long time.Manufacture sand The basic raw material of type is casting model powder and moulding sand binder.Most common casting model powder is siliceous sand.The high-temperature behavior of silica sand cannot The special sands such as zircon sand, chromite sand, emergy are then used when meeting requirement.To make manufactured sand mold and core have one Fixed intensity, in carrying, mould assembly and pouring liquid metal will not deformation or damage, to be generally added in casting molding sand bonding Loose sand grains is bonded as molding sand by agent.
During using precoated sand coremaking, it usually needs sand core internal is produced air hole using drawn needle, is invented People causes the solidification effect of sand core after core shooting bad, sand core structure is unstable the study found that easily cooling after the die sinking of present drawn needle It is fixed.
In view of this, designing and manufacturing a kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment that holding temperature is constant Especially it is particularly important in the industrial production.
Utility model content
It is simple in structure the purpose of this utility model is to provide a kind of thermostatic type sand core drawn needle, temperature can be kept constant In a certain range so that sand core structure is stablized, and solidification effect is good, highly practical.
The another object of the utility model is to provide a kind of precoated sand coremaking equipment, simple in structure, can keep temperature It is constant in a certain range so that sand core structure stablize, solidification effect is good, highly practical, cost-effective.
The utility model is realized using technical solution below.
A kind of thermostatic type sand core drawn needle, including drawn needle ontology, heating device, temperature sensor and control device, temperature pass Sensor and heating device are mounted in drawn needle ontology, and temperature sensor is connect with control device, and temperature sensor is for detecting The intrinsic temperature of drawn needle and generation temperature data, and temperature data is sent to control device, control device and heating device Connection, control device are used to heat less than or equal to the first preset value time control refrigerating/heating apparatus in temperature data, control device It is additionally operable to close more than or equal to the second preset value time control refrigerating/heating apparatus in temperature data, it is pre- that the first preset value is less than second If value.
Further, control device includes that switch and controller, temperature sensor are connect with controller, by temperature data It is sent to controller, controller is connected with switch, and controller is used to be more than or equal to the first preset value time control in temperature data System switch be closed, controller be additionally operable to temperature data be less than or equal to the second preset value when control switch disconnect, switch with Heating device connects.
Further, control device further includes adjuster, and adjuster is connect with controller, and adjuster is pre- for adjusting first If the size of value and the second preset value.
Further, drawn needle ontology is provided centrally with heating cavities, and heating cavities are for installing heating device, drawn needle sheet One end of body is provided with opening, heating cavities and open communication.
Further, heating device is columnar resistance tube.
Further, induction cavity is provided in drawn needle ontology, induction cavity is set to the edge of drawn needle ontology, and induction is empty Chamber is used for mounting temperature sensor.
Further, the quantity for incuding cavity and temperature sensor is multiple, multiple induction cavity interval settings, each Temperature sensor is fixedly installed in an induction cavity.
Further, it is distributed in drawn needle ontology to multiple induction cavity rectangular arrays.
Further, thermostatic type sand core drawn needle further includes being connect with control device for electric installation for electric installation.
A kind of precoated sand coremaking equipment, including multiple thermostatic type sand core drawn needles, multiple thermostatic type sand core drawn needle interval settings, Thermostatic type sand core drawn needle includes drawn needle ontology, heating device, temperature sensor and control device, temperature sensor and heating device It is mounted in drawn needle ontology, temperature sensor is connect with control device, and temperature sensor is for detecting the intrinsic temperature of drawn needle Degree and generation temperature data, and temperature data is sent to control device, control device is connect with heating device, and control device is used It is heated less than or equal to the first preset value time control refrigerating/heating apparatus in temperature data, control device is additionally operable in temperature data It is closed more than or equal to the second preset value time control refrigerating/heating apparatus, the first preset value is less than the second preset value.
Thermostatic type sand core drawn needle and precoated sand coremaking equipment provided by the utility model has the advantages that:
Thermostatic type sand core drawn needle provided by the utility model, temperature sensor and heating device are mounted on drawn needle ontology Interior, temperature sensor is connect with control device, and temperature sensor is used to detect the intrinsic temperature of drawn needle and generates temperature data, And temperature data is sent to control device, control device is connect with heating device, and control device in temperature data for being less than Or heated equal to the first preset value time control refrigerating/heating apparatus, control device is additionally operable to be more than or equal to second in temperature data Preset value time control refrigerating/heating apparatus is closed.Compared with drawn needle in the prior art, thermostatic type sand core provided by the utility model is taken out Needle is as a result of the temperature sensor for being installed on the intrinsic heating device of drawn needle and being connect with control device, so can It realizes and controls the temperature of drawn needle ontology between the first preset value and the second preset value, high degree of automation so that sand core is solid It is good to change effect, it is highly practical.
Precoated sand coremaking equipment provided by the utility model, including thermostatic type sand core drawn needle, it is simple in structure, can realize by The temperature of drawn needle ontology controls between the first preset value and the second preset value, high degree of automation so that sand core solidification effect It is good, it is highly practical, it is cost-effective.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the precoated sand coremaking equipment that the utility model embodiment provides;
Fig. 2 is the structure composition block diagram for the thermostatic type sand core drawn needle that the utility model embodiment provides;
Fig. 3 is the knot that control device is connect with heating device in the thermostatic type sand core drawn needle that the utility model embodiment provides Structure composition frame chart;
Fig. 4 is the structural schematic diagram of drawn needle ontology in the thermostatic type sand core drawn needle that the utility model embodiment provides.
Icon:10- precoated sand coremaking equipment;100- thermostatic type sand core drawn needles;110- drawn needle ontologies;111- heating cavities; 113- incudes cavity;115- is open;120- heating devices;130- temperature sensors;140- control devices;141- is switched;143- Controller;145- adjusters;150- is for electric installation;200- sand cores.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all Belong to the range of the utility model protection.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that the fingers such as term "inner", "outside", "upper", "lower", "horizontal" The orientation or positional relationship shown is to be based on the orientation or positional relationship shown in the drawings or when utility model product uses is used The orientation or positional relationship often put, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this The limitation of utility model.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and should not be understood as indicating Or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " connected ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected;It can be mechanical connection, can also be electrical connection;It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition Solve the concrete meaning of above-mentioned term in the present invention.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the utility model.In the absence of conflict, under Feature in the embodiment stated can be combined with each other.
Embodiment
Fig. 1 is please referred to, the utility model embodiment provides a kind of precoated sand coremaking equipment 10, for utilizing precoated sand system Make sand core 200.Its is simple in structure, and temperature can be kept constant in a certain range so that 200 stable structure of sand core, solidification Effect is good, highly practical, cost-effective.The precoated sand coremaking equipment 10 includes multiple thermostatic type sand core drawn needles 100.Multiple constant temperature Formula sand core drawn needle 100 is arranged at intervals in sand core 200 so that sand core 200 once forms multiple air hole (not shown), meets work Skill requirement, and the temperature of thermostatic type sand core drawn needle 100 is kept in a certain range so that the solidification effect of molding sand core 200 Fruit is good, and stability is good.
In the present embodiment, the quantity of thermostatic type sand core drawn needle 100 is four, and four thermostatic type sand core drawn needles 100 are rectangular It is distributed in array in sand core 200, four air holes can be formed in sand core 200.
Please refer to Fig. 2, thermostatic type sand core drawn needle 100 include drawn needle ontology 110, heating device 120, temperature sensor 130, Control device 140 and for electric installation 150.Temperature sensor 130 and heating device 120 are mounted in drawn needle ontology 110, drawn needle For being set in sand core 200, multiple drawn needle ontologies 110 are arranged at intervals in sand core 200 ontology 110, and sand core 200 will after being molded Multiple drawn needle ontologies 110 take out so that sand core 200 forms multiple air holes.Temperature sensor 130 is connect with control device 140, Temperature sensor 130 is used to detect the temperature in drawn needle ontology 110 and generates temperature data, and temperature data is sent to control Device 140.Control device 140 is connect with heating device 120, and control device 140 is used to be less than or equal to the in temperature data One preset value time control refrigerating/heating apparatus 120 heats so that the temperature of drawn needle ontology 110 increases;Control device 140 is additionally operable in temperature Degrees of data more than or equal to the second preset value time control refrigerating/heating apparatus 120 close so that 110 natural cooling of drawn needle ontology to Reduce temperature.Connect with control device 140 for electric installation 150, with to control device 140 power, to heating device 120 into Row power supply.
It is worth noting that, the first preset value is less than the second preset value, the model between the first preset value and the second preset value Enclose the range that required temperature is molded as sand core 200.
Fig. 3 is please referred to, control device 140 includes switch 141, controller 143 and adjuster 145.Temperature sensor 130 with Controller 143 connects, and temperature data is sent to controller 143.Controller 143 is connect with switch 141, and controller 143 is used In control switch 141 closure when temperature data is more than or equal to the first preset value;Controller 143 is additionally operable in temperature data Switch 141 is controlled when less than or equal to the second preset value to disconnect.Switch 141 is connect with heating device 120, and switch 141 is closed When heating device 120 be powered operation, switch 141 disconnect when heating device 120 power-off stopping.Adjuster 145 connects with controller 143 It connects, adjuster 145 is used to adjust the size of the first preset value and the second preset value, to according to the sand of different shape and type Core 200 adjusts the size of temperature range.
Fig. 4 is please referred to, heating cavities 111 and induction cavity 113 are provided in drawn needle ontology 110.Heating cavities 111 and sense The setting of the interval of cavity 113 is answered, heating cavities 111 are for installing heating device 120, and induction cavity 113 is for installing temperature sensing Device 130.In the present embodiment, heating cavities 111 are set to the center of drawn needle ontology 110, and heating device 120 is from drawn needle ontology Drawn needle ontology 110 is heated outward at 110 center so that the temperature of drawn needle ontology 110 uniformly rises, and will not form temperature Difference.Induction cavity 113 is set to the marginal position of drawn needle ontology 110, and temperature sensor 130 is to drawn needle ontology 110 close to sand core 200 position is detected, to detect temperature that drawn needle ontology 110 is transmitted to sand core 200.
In the present embodiment, one end of drawn needle ontology 110 is provided with opening 115, and heating cavities 111 are connected to opening 115, add Thermal 120 can pass through opening 115 to extend into heating cavities 111, be easily installed and dismantle.
In the present embodiment, heating device 120 is columnar resistance tube, resistance heating when heating device 120 is powered, to right Drawn needle ontology 110 is heated.It is not limited to this, heating device 120 can also be electromagnetic heating tube, heating device 120 Drawn needle ontology 110 is heated using electromagnetic induction when energization, the type of heating device 120 is not especially limited, in every case The type of the heating device 120 heated to drawn needle ontology 110 after being powered can be realized in the protection model of the utility model Within enclosing.
It is worth noting that, the quantity of induction cavity 113 and temperature sensor 130 is multiple, multiple induction cavitys 113 Interval setting, and rectangular array be distributed in drawn needle ontology 110.Each temperature sensor 130 is fixedly installed in a sense It answers in cavity 113, to carry out comprehensive detection to the temperature of drawn needle ontology 110, avoids because some temperature sensor 130 loses The case where effect causes accurately detect drawn needle 110 temperature of ontology.In the present embodiment, cavity 113 and temperature sensor 130 are incuded Quantity be six, wherein three induction cavitys 113 are set to the side of drawn needle ontology 110, and three induction cavitys 113 are set It is placed in the other side of drawn needle ontology 110.
In the present embodiment, drawn needle ontology 110 is made of chromium material, heat-resisting and good heat-transfer, and processing performance is superior.But simultaneously It is not limited only to this, the making material of drawn needle ontology 110 is not especially limited, as long as can realize that heat-resisting effect is good, heat transfer is steady The making material of fixed drawn needle ontology 110 both is within the protection scope of the present invention.
The thermostatic type sand core drawn needle 100 that the utility model embodiment provides, temperature sensor 130 and heating device 120 are equal It is installed in drawn needle ontology 110, temperature sensor 130 is connect with control device 140, and temperature sensor 130 is for detecting drawn needle Temperature in ontology 110 and generation temperature data, and temperature data is sent to control device 140, control device 140 and heating Device 120 connects, and control device 140 is used to be less than or equal to the first preset value time control refrigerating/heating apparatus 120 in temperature data Heating, control device 140 are additionally operable to close more than or equal to the second preset value time control refrigerating/heating apparatus 120 in temperature data. Compared with drawn needle in the prior art, thermostatic type sand core drawn needle 100 provided by the utility model is as a result of being installed on drawn needle Heating device 120 in ontology 110 and the temperature sensor 130 being connect with control device 140, so can realize drawn needle The temperature of ontology 110 controls between the first preset value and the second preset value, high degree of automation so that the solidification effect of sand core 200 Fruit is good, highly practical, keeps precoated sand coremaking equipment 10 good to the solidification effect of sand core 200, practicality and high efficiency.
The preferred embodiment that these are only the utility model, is not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of thermostatic type sand core drawn needle, which is characterized in that including drawn needle ontology, heating device, temperature sensor and control dress It sets, the temperature sensor and the heating device are mounted in the drawn needle ontology, the temperature sensor and the control Device connection processed, the temperature sensor are used to detect the intrinsic temperature of the drawn needle and generate temperature data, and will be described Temperature data is sent to the control device, and the control device is connect with the heating device, and the control device is used for The temperature data controls the heating devices heat when being less than or equal to the first preset value, and the control device is additionally operable to The temperature data controls the heating device and closes when being more than or equal to the second preset value, first preset value is less than institute State the second preset value.
2. thermostatic type sand core drawn needle according to claim 1, which is characterized in that the control device includes switch and control Device, the temperature sensor are connect with the controller, and the temperature data is sent to the controller, the controller It is connected with the switch, the controller is used to control institute when the temperature data is more than or equal to first preset value It states switch to be closed, the controller is additionally operable to control the switch when the temperature data is less than or equal to the second preset value It disconnects, the switch is connect with the heating device.
3. thermostatic type sand core drawn needle according to claim 2, which is characterized in that the control device further includes adjuster, The adjuster is connect with the controller, and the adjuster is used to adjust first preset value and second preset value Size.
4. thermostatic type sand core drawn needle according to claim 1, which is characterized in that being provided centrally with for the drawn needle ontology adds Hot cavity, for the heating cavities for installing the heating device, one end of the drawn needle ontology is provided with opening, the heating Cavity and the open communication.
5. thermostatic type sand core drawn needle according to claim 4, which is characterized in that the heating device is columnar resistance Pipe.
6. thermostatic type sand core drawn needle according to claim 1, which is characterized in that it is empty to be provided with induction in the drawn needle ontology Chamber, the induction cavity are set to the edge of the drawn needle ontology, and the induction cavity is for installing the temperature sensor.
7. thermostatic type sand core drawn needle according to claim 6, which is characterized in that the induction cavity and the temperature sensing The quantity of device is multiple, and multiple induction cavity interval settings, each temperature sensor is fixedly installed in an institute It states in induction cavity.
8. thermostatic type sand core drawn needle according to claim 7, which is characterized in that multiple induction cavity rectangular arrays Ground is distributed in the drawn needle ontology.
9. thermostatic type sand core drawn needle according to claim 8, which is characterized in that the thermostatic type sand core drawn needle further includes supplying Electric installation, it is described to be connect with the control device for electric installation.
10. a kind of precoated sand coremaking equipment, which is characterized in that including multiple thermostatic type sand core drawn needles, multiple thermostatic type sand Core drawn needle interval is arranged, and the thermostatic type sand core drawn needle includes drawn needle ontology, heating device, temperature sensor and control device, The temperature sensor and the heating device are mounted in the drawn needle ontology, and the temperature sensor is filled with the control Set connection, the temperature sensor is for detecting the intrinsic temperature of the drawn needle and generating temperature data, and by the temperature Data are sent to the control device, and the control device is connect with the heating device, and the control device is used for described Temperature data controls the heating devices heat when being less than or equal to the first preset value, and the control device is additionally operable to described Temperature data controls the heating device and closes when being more than or equal to the second preset value, first preset value is less than described the Two preset values.
CN201820183010.7U 2018-02-01 2018-02-01 A kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment Active CN207840031U (en)

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Application Number Priority Date Filing Date Title
CN201820183010.7U CN207840031U (en) 2018-02-01 2018-02-01 A kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment

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Application Number Priority Date Filing Date Title
CN201820183010.7U CN207840031U (en) 2018-02-01 2018-02-01 A kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108044046A (en) * 2018-02-01 2018-05-18 成都桐林铸造实业有限公司 A kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108044046A (en) * 2018-02-01 2018-05-18 成都桐林铸造实业有限公司 A kind of thermostatic type sand core drawn needle and precoated sand coremaking equipment

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