CN201179550Y - Sand jetting head - Google Patents

Sand jetting head Download PDF

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Publication number
CN201179550Y
CN201179550Y CNU2008200855508U CN200820085550U CN201179550Y CN 201179550 Y CN201179550 Y CN 201179550Y CN U2008200855508 U CNU2008200855508 U CN U2008200855508U CN 200820085550 U CN200820085550 U CN 200820085550U CN 201179550 Y CN201179550 Y CN 201179550Y
Authority
CN
China
Prior art keywords
sand
plate
heating plate
penetrating
heating
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CNU2008200855508U
Other languages
Chinese (zh)
Inventor
林方夫
黄列群
潘东杰
沈永华
马益诚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Institute of Mechanical and Electrical Engineering Co Ltd
Zhejiang Electromechanical Design and Research Institute Co Ltd
Original Assignee
Zhejiang Electromechanical Design and Research Institute Co Ltd
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 Zhejiang Electromechanical Design and Research Institute Co Ltd filed Critical Zhejiang Electromechanical Design and Research Institute Co Ltd
Priority to CNU2008200855508U priority Critical patent/CN201179550Y/en
Application granted granted Critical
Publication of CN201179550Y publication Critical patent/CN201179550Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a sand shooting head which comprises a sand shooting cylinder and a sand shooting plate. The sand shooting plate is provided with a sand shooting nozzle, the undersurface of the sand shooting plate is movably connected with a heating plate by a telescopic mechanism, the bottom of the heating plate is provided with a profiling head which has a smooth surface, and the heating plate is also provided with a sand shooting hole which is corresponding to the sand shooting nozzle. An iron mold is got by the method of sandwich heating near a sand coated layer at the side of the sand shooting plate, that is, the profiling head supplies heat at the outer side of the sand coated layer, the iron mold supplies the heat at the inner side of the sand coated layer, thereby solidification operation can be carried out on both the inner surface and the outer surface of the sand coated layer to cause the sand coated layer to be uniformly solidified and have high solidification degree, and the half solidification phenomenon existed in the prior art is eliminated without floating sands. Because of being formed in an interspace between the iron mold and the profiling head, the sand coated layer has uniform thickness and favorable molding consistency after being formed.

Description

A kind of sand-shooting head
Technical field
The utility model relates to a kind of Casting Equipment parts, relates in particular to cover the sand-shooting head of using on the sand molding machine.
Background technology
The sand molding machine of using in the Iron Mould Coated Sand casting process that covers adopts compressed air to blow the mode of penetrating precoated sand is injected in the swage.Blow the process of penetrating and finished by the sand-shooting head that covers the sand molding machine, sand-shooting head comprises blasting unit and penetrate the sand plate, and penetrating the effect of sand plate is when penetrating sand, and the precoated sand in the blasting unit is blown in core box or the swage by the Sha Zui that penetrates that penetrates on the sand plate under compressed-air actuated effect.When penetrating sand, penetrating the sand plate is to be close on the swage of heating, and running hours, the heat on the swage constantly pass to be penetrated on the sand plate, makes to penetrate the rising of sand plate temperature.Because precoated sand has heat cure, penetrate the rising of sand plate temperature and can cause the precoated sand caking of pressing close to penetrate the sand plate in the blasting unit and block and penetrate Sha Zui.Therefore, for guaranteeing that penetrating the sand plate is in the normal temperature state, generally penetrating the sand plate is interior sky, so that the water flowing cooling.
Near penetrating sand plate side when covering sand molding, precoated sand solidifies required heat and only comes from swage, so the precoated sand solidification process is only from the place near swage like this.Single face adds result that hot precoated sand causes and forms after the moulding to cover the layer of sand surface and be semi-cured state, rough surface, and floating sand is more.In the molten iron casting cycle, many floating sand are poured the casting die cavity of abrading-ball, influence casting quality.And cover in the layer of sand forming process everywhere that inhomogeneous its variable thickness that makes of heating degree causes.
The utility model content
The technical problems to be solved in the utility model provides a kind of sand-shooting head, utilizes this sand-shooting head can produce state of cure height, consistency of thickness, the ganoid layer of sand that covers.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: this sand-shooting head comprises blasting unit and penetrates the sand plate, the described sand plate of penetrating is provided with and penetrates Sha Zui, the described sand plate of penetrating is connected with heating plate below by telescoping mechanism, described heating plate bottom is provided with ganoid imitative type head, also has the sand-spraying hole that correspondence is penetrated the sand mouth on the described heating plate.
As of the present utility model a kind of preferred, described heating plate inside is provided with heating tube, and described heating tube is positioned at imitative type head top, and in heating plate inside temperature sensor is installed also.Because heating tube is positioned at imitative type head top, nearer from imitative type head, when the heating tube release heat, just can pass to imitative type head to greatest extent, imitative type head temperature is raise, thereby the temperature of heating plate and imitative type head are similar, carry out FEEDBACK CONTROL by temperature sensor so again, realize the adjustment of imitative type head.Such heating board structure is simple, and realizes that temperature control is convenient.
As a kind of improvement of the present utility model, described sand-spraying hole is positioned at around the imitative type head.Space between imitative type head and the swage just around imitative type head, is therefore selected the position of sand-spraying hole just not need to offer passage at other position of swage again around imitative type head, thereby is reduced production costs.
Preferred as another kind of the present utility model, described telescoping mechanism comprises heat-resisting spring, bolt, and described bolt is installed in to be penetrated on sand plate and the heating plate, and described heat-resisting spring housing is on the bolt and penetrating between sand plate and the heating plate.This telescoping mechanism is simple in structure, and the ability of anti-mechanical fatigue is strong, can tackle the regular sand work of penetrating fully, and repair and replacement simultaneously are convenient.
As another kind of improvement the of the present utility model, the described sand plate of penetrating is provided with guiding mechanism, and described guiding mechanism comprises guide finger, and described guide finger one end is fixed on to be penetrated on the sand plate, and the other end is movably connected on the heating plate.The motion of heating plate is a vertical motion, telescoping mechanism guarantee on the one hand heating plate can with penetrate the sand plate and separate, play the function of the movement locus of control heating plate on the other hand, but that this function plays effect when realizing is limited.By guiding mechanism is the stability that heating plate controlled motion track just can be guaranteed the motion of heating plate specially, promotes the service behaviour of sand-shooting head.
As another kind of improvement the of the present utility model, the described sand mouth of penetrating is provided with the extension towards penetrating sand plate bottom, and described extension length of penetrating the sand mouth is at least heating plate thickness.Because the heat on the heating plate can make the precoated sand in the sand-spraying hole solidify, so remove the precoated sand of these curing when the sand mouth is each to be connected with heating plate by penetrating of prolonging.
The utility model passes through technique scheme, swage is getting near the method for layer of sand by two sides heating of covering of penetrating sand plate side, promptly outside covering layer of sand, provide heat by imitative type head, provide heat by swage covering the layer of sand inboard, thereby the outside can both be cured operation in covering layer of sand, make and to cover that layer of sand solidifies evenly and state of cure is high, eliminated the semi-solid preparation phenomenon that exists in the technology in the past, floating sand.Form in the space between swage and the imitative type head owing to cover layer of sand, therefore cover the layer of sand consistency of thickness afterwards that is shaped, the moulding high conformity.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
Fig. 1 is the structural representation of a kind of sand-shooting head of the utility model;
Fig. 2 is the heating board structure schematic diagram of a kind of sand-shooting head of the utility model;
Fig. 3 is the use schematic diagram of a kind of sand-shooting head of the utility model.
The specific embodiment
As shown in Figure 1, a kind of sand-shooting head that relates in this, it has comprised blasting unit 1, has penetrated sand plate 2 and heating plate 4.Penetrate sand plate 2 and be fixed on and penetrate blasting unit 1 bottom, heating plate 4 is positioned to be penetrated below the sand plate 2.Penetrate sand plate 2 and be provided with one and penetrate sand mouth 3, penetrate sand mouth 3 and extend to form projection to penetrating sand plate 2 bottoms, the precoated sand of penetrating in the blasting unit 1 is outwards exported by penetrating sand mouth 3.As shown in Figure 1, 2, heating plate 4 bottoms are provided with ganoid imitative type head 5, and the profile of imitative type head 5 is identical with the dead head of swage 9 but size is little; Offer correspondence and penetrate the sand-spraying hole 7 of sand mouth 3 on heating plate 4, sand-spraying hole 7 is positioned at around the imitative type head 5; Be provided with heating tube 6 in heating plate 4 inside, parallel arrangement between the heating tube 6, and these heating tubes 6 all are positioned at imitative type head 5 tops, also be provided with the temperature sensor 8 that is used for detected temperatures in heating plate 4 inside, this sensor is a thermocouple, when improving heating plate 4 temperature, heating tube 6 release heat just can obtain respective value, so that heating plate 4 temperature are done timely adjusting from temperature sensor 8.Heating plate 4 and penetrating between the sand plate 2 by telescoping mechanism and guiding mechanism flexibly connects.Have four telescoping mechanisms to be positioned on four angles of heating plate, this telescoping mechanism comprises heat-resisting spring 10, bolt 11.Bolt 11 two are movably connected in to be penetrated on sand plate 2 and the heating plate 4, and heat-resisting spring 10 is enclosed within on the bolt 11, and heat-resisting spring 10 is being penetrated between sand plate 2 and the heating plate 4.Heating plate 4 under nature is because the elastic force effect of self gravitation and interior thermoelastic spring makes that penetrating sand plate 2 separates with heating plate 4.Guiding mechanism comprises guide finger 12 and nut 13, and guide finger 12 1 ends are the reducing structure, and this end is fixedly mounted on by nut 13 and penetrates on the sand plate 2, and the other end then interts on heating plate 4, and flexibly connects with heating plate 4.Have three guiding mechanisms to be positioned on the axis of penetrating sand plate 2, heating plate 4 can be along guide finger 12 straight moving when heating plate 4 vertical motions, and simultaneously heat-resisting spring 10 produces deformation.The extension length of penetrating sand mouth 3 is the thickness of heating plate 4, therefore penetrates sand mouth 3 and insert penetrating in the sand mouth 3 of heating plate 4 after heating plate 4 rises, and the molding sand that covers in the blasting unit 1 is exported from heating plate 4 bottoms by penetrating sand mouth 3.
As shown in Figure 3, swage 9 is positioned to be penetrated on the sand station, and jacking cylinder 14 is tightly fitted lifting on the swage 9 until swage 9 and heating plate 4, and heating plate 4 engages with penetrating sand plate 2, and the feasible sand mouth 3 of penetrating passes sand-spraying hole 7 and is positioned at and imitates type head 5 places.Imitative 5 dead heads that go deep into swage 9 of type head, and form the space between the swage 9.Before, because heating plate 4 release heat are delivered on the imitative type head 5, make the temperature of imitative type head 5 raise, and make the temperature of imitative type head 5 identical with swage 9 temperature.Cover molding sand under compressed-air actuated effect from penetrating sand mouth 3 input gaps and filling up the space.Compressed air after penetrating sand and finishing in the sand-shooting head drains, and jacking cylinder 14 descends, and heating plate 4 is broken away from penetrate sand plate 2.Treat that the dead head overlying sand of swage 9 solidifies fully after certain hardening time, jacking cylinder 14 continues to descend, up to finishing the die sinking step.
Swage 9 is near the method that the layer of sand processing method has all adopted the two sides heating of covering of penetrating sand plate side in the foregoing description, promptly outside covering layer of sand, provide heat by imitative type head 5, provide heat by swage 9 covering the layer of sand inboard, thereby heat cure can both be carried out in the outside in covering layer of sand, make that to cover the layer of sand overall structure degree of packing even and the degree of packing is high, the moulding high conformity.Except two-sided heating, pore size between imitative type head 5 and the swage 9 is constant, make finally that each processes to cover sand layer thickness all consistent, and because imitative type head 5 smooth surfaces, make the layer of sand outer surface that covers after the curing show smooth smooth speciality, improve greatly and cover the layer of sand forming quality.

Claims (6)

1, a kind of sand-shooting head, described sand-shooting head comprises blasting unit (1) and penetrates sand plate (2), the described sand plate (2) of penetrating is provided with and penetrates Sha Zui (3), it is characterized in that: the described sand plate (2) of penetrating is connected with heating plate (4) below by telescoping mechanism, described heating plate (4) bottom is provided with ganoid imitative type head (5), also has correspondence on the described heating plate (4) and penetrates the sand-spraying hole of Sha Zui (3) (7).
2, according to the described sand-shooting head of claim 1, it is characterized in that: described heating plate (4) inside is provided with heating tube (6), and described heating tube (6) is positioned at imitative type head (5) top, and in heating plate (4) inside temperature sensor (8) is installed also.
3, according to the described sand-shooting head of claim 1, it is characterized in that: described sand-spraying hole (7) is positioned at imitative type head (5) on every side.
4, according to the described sand-shooting head of claim 1, it is characterized in that: described telescoping mechanism comprises heat-resisting spring (10), bolt (11), described bolt (11) is installed in to be penetrated on sand plate (2) and the heating plate (4), and described heat-resisting spring (10) is enclosed within on the bolt (11) and is positioned at and penetrates between sand plate (2) and the heating plate (4).
5, according to claim 1 or 4 described sand-shooting heads, it is characterized in that: the described sand plate (2) of penetrating is provided with guiding mechanism, described guiding mechanism comprises guide finger (12), and described guide finger (12) one ends are fixed on to be penetrated on the sand plate (2), and the other end is movably connected on the heating plate (4).
6, according to the described sand-shooting head of claim 1, it is characterized in that: the described Sha Zui of penetrating (3) is provided with the extension towards penetrating sand plate (2) bottom, and the extension length of the described Sha Zui of penetrating (3) is at least heating plate (4) thickness.
CNU2008200855508U 2008-04-24 2008-04-24 Sand jetting head Expired - Lifetime CN201179550Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CNU2008200855508U CN201179550Y (en) 2008-04-24 2008-04-24 Sand jetting head

Publications (1)

Publication Number Publication Date
CN201179550Y true CN201179550Y (en) 2009-01-14

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192035A (en) * 2012-01-05 2013-07-10 广西玉柴机器股份有限公司 Composite sand core sand shooting device and method
CN106424594A (en) * 2016-11-15 2017-02-22 盐城市汉铜智能铸造设备有限公司 Multifunctional sandblasting board for up-down sand shooting type full-automatic sand casting molding machine
CN110842144A (en) * 2019-12-21 2020-02-28 莱州三力汽车配件有限公司 Curved surface sand shooting mold and process thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192035A (en) * 2012-01-05 2013-07-10 广西玉柴机器股份有限公司 Composite sand core sand shooting device and method
CN103192035B (en) * 2012-01-05 2015-08-05 广西玉柴机器股份有限公司 Compound core penetrates sand device and method
CN106424594A (en) * 2016-11-15 2017-02-22 盐城市汉铜智能铸造设备有限公司 Multifunctional sandblasting board for up-down sand shooting type full-automatic sand casting molding machine
CN106424594B (en) * 2016-11-15 2018-10-09 盐城市汉铜智能铸造设备有限公司 Penetrate the full-automatic sand casting moulding machine Multifunctional sand blasting plate of sand up and down
CN110842144A (en) * 2019-12-21 2020-02-28 莱州三力汽车配件有限公司 Curved surface sand shooting mold and process thereof
CN110842144B (en) * 2019-12-21 2021-01-26 莱州三力汽车配件有限公司 Curved surface sand shooting mould

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20090114

Effective date of abandoning: 20080424