CN205672823U - A kind of for automatically preparing the agitator in semi-solid alloy slurry device - Google Patents

Abstract

A kind of for automatically preparing the agitator in semi-solid alloy slurry device, including a main shaft, one water inlet pipe and an outlet pipe, the outer circumferential side of main shaft offers one second annular intake tunnel and one second annular exhalant canal, the upper end of water inlet pipe extends to main shaft inside and connects with the second annular intake tunnel, the upper end of outlet pipe extends to main shaft inside and connects with the second annular exhalant canal, water inlet pipe lower end is connected by a circulation waterway being located within a stirring-head with outlet pipe lower end, main shaft is installed in a teeter chamber by bearing is rotatable, a water inlet and a delivery port is offered in teeter chamber.The utility model makes main shaft while rotating, cooling water in cooler can flow into the alloy pulp outside the interior cooling of stirring-head by the second annular intake tunnel, return the second annular exhalant canal and flow in cooler, thus reach to reach hydronic purpose while stirring, while ensure that efficiency, also a saving production cost.

Description

A kind of for automatically preparing the agitator in semi-solid alloy slurry device

Technical field

The utility model relates to a kind of for automatically preparing the agitator in semi-solid alloy slurry device, especially Refer to.

Background technology

Semi-solid slurrying technology, refers to that metal, in process of setting, carries out being stirred vigorously control mushy stage temperature range and obtains (solid phase components even may be up to left floating the solid-liquid mixed slurry of certain solid phase components in a kind of liquid metal mother liquor equably 60%), this semi-solid metal slurry has rheological behavior, i.e. has good mobility, it is easy to by conventional cast method Make complex product.

Since 20 century 70 masschusetts, U.S.A Polytechnics propose semi-solid state forming technique, semi-solid slurrying technology one It is directly research and development emphasis, be also rapidly developed in recent years.The purpose of slurrying is the crystalline substance in order to smash dendrite or faceting Volume morphing, it is thus achieved that spherocrystal shape, and the crystal during controlling cooled and solidified grows up, thus obtain the conjunction with good rheological characteristic Gold conductor.Semi-solid state forming technique has broken traditional dendritic solidification pattern, makes alloy structure uniform, reduces cast-internal and lacks Fall into, improve the combination property of foundry goods, under conditions of requiring on an equal basis, reduction casting section thickness that also can be suitable, thus mitigate casting Part weight.

Preparation facilities and technique currently, with respect to semi solid slurry have a lot, such as mechanical mixing method, electromagnetic stirring method, surpass Sound paddling process, control freezing method, strain activation technology, powder metallurgic method, but these semi-solid slurrying apparatus and method existing In the middle of the problems such as the efficiency that all exists is low, cost is high, solid rate is difficult to control to so that semi-solid forming technology is difficult to realize big rule Mould industrialized production.

In recent years, the Rheomet RSF quickly preparing cement paste technology that Fujian Province Rui Aomaite light metal Co., Ltd introduces, Become China and realize the enterprise of industrialized utilization semi-solid forming technology the earliest, and at its affiliated enterprise Fujian Jin Ruigao Co., Ltd of section obtains the application of more massive industrialized production.Rheomet RSF quick pulping method refers at alloy pulp Solid metallic or alloy are loaded by cooling procedure, and quickly stir, solid metallic or alloy in whipping process gradually It is molten in the middle of alloy pulp, play the quick purpose reducing alloy pulp temperature, and promote breeding of nucleation.Though this method Right efficiency is high, but still there is the high problem of cost.

Utility model content

The utility model provides a kind of for automatically preparing the agitator in semi-solid alloy slurry device, its main mesh Be overcome the defect that in existing pulping technique, agitator cost is high.

For solving above-mentioned technical problem, the utility model adopts the following technical scheme that

A kind of for automatically preparing the agitator in semi-solid alloy slurry device, including a main shaft, a water inlet pipe with And an outlet pipe, the outer circumferential side of described main shaft offers one second annular intake tunnel and one second annular exhalant canal, described The upper end of water inlet pipe extends to described main shaft inside and connects with described second annular intake tunnel, and the upper end of described outlet pipe is prolonged Extending described main shaft inside and connecting with described second annular exhalant canal, described water inlet pipe lower end leads to described outlet pipe lower end Crossing a circulation waterway being located within a stirring-head to connect, described main shaft is installed in a teeter chamber by bearing is rotatable, institute Stating and offering a water inlet and a delivery port in teeter chamber, described second annular intake tunnel passes through described water inlet and a cooling The apopore connection of machine, described second annular exhalant canal is connected with the inlet opening of this cooler by described delivery port, and The upper and lower of the upper and lower of described second annular intake tunnel and the second annular exhalant canal is equipped with and is positioned at teeter chamber and main shaft Between sealing ring.

Further, the position that inner circumferential side, described teeter chamber and described second annular intake tunnel face offers one Offer a first annular water outlet on the position that first annular intake tunnel and described second annular exhalant canal face to lead to Road, described second annular intake tunnel is connected with described water inlet by described first annular intake tunnel, described second annular Exhalant canal is connected with described delivery port by described first annular exhalant canal.

Compared to the prior art, what the utility model produced has the beneficial effects that:

1st, the utility model simple in construction, practical, by arranging the second annular intake tunnel, the second ring on main shaft Shape exhalant canal, sealing ring so that main shaft is while rotating, and the cooling water in cooler can be by the second annular intake tunnel Alloy pulp outside cooling down in flowing into stirring-head, returns the second annular exhalant canal and flows in cooler, thus reaching Reach hydronic purpose while stirring, it is ensured that while efficiency, also a saving production cost.

2nd, in the utility model, by arranging first annular intake tunnel and first annular exhalant canal, improve cold But the negotiable amount of water so that the cooldown rate of alloy pulp is improved.

Brief description

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the front view of Fig. 1.

Fig. 3 is the side view of Fig. 1.

Fig. 4 be agitator described in the utility model with stirring-head partly cut open schematic diagram.

Fig. 5 be agitator described in the utility model with rabbling mechanism partly cut open schematic diagram.

Fig. 6 is the schematic diagram that stirring-head described in utility model enters in scoop.

Fig. 7 is the top view of the stirring-head that Fig. 1 housing is shaped as key profile of tooth.

Detailed description of the invention

Detailed description of the invention of the present utility model is described with reference to the accompanying drawings.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7.A kind of device automatically preparing semi-solid alloy slurry, Including the 2nd, scoop the 1st, six-joint robot is installed in rabbling mechanism the 3rd, cooler 4 on this six axle machine 2 people and this six-joint robot 2 control the agitator 5 connecting and for controlling the switch board 6 of this six-joint robot 2 and cooler 4 action.Agitator 5 upper end It is rotatably installed in rabbling mechanism 3 upper and lower end and a stirring-head 7 connects.It is provided with a circulation waterway 8, agitator 5 in stirring-head 7 Inside be provided with a water inlet pipe 51 and an outlet pipe 52, circulation waterway 8 water inlet end 81 connects with water inlet pipe 51 lower end, water side 82 with go out Water pipe 52 lower end connects, and wherein, water inlet end 81 is positioned at the upper end of circulation waterway 8, and water side 82 is positioned at the lower end of circulation waterway 8, Water inlet pipe 51 upper end all connects with cooler 4 with outlet pipe 52 upper end.By arranging circulation waterway 8 in stirring-head 7 so that stir During mixing, heat in molten alloy 10 can pass to the water of circulation waterway 8 internal circulation flow, so that molten alloy 10 Cooling forms semi-solid alloy slurry, substantially increases pulping efficiency.Particularly as follows: alloy pulp is quickly revolved by stirring-head 7 Turning stirring, to obtain globular crystal heterogeneous microstructure, alloy pulp is quickly cooled simultaneously, has good touching with quick acquisition The semi-solid alloy slurry of denaturation energy, its heterogeneous microstructure is globular crystal feature, consequently facilitating carry out next step operation, as Casting.The metallographic structure of foundry goods after die cast for the semi solid slurry that the utility model prepares shows solid solution Crystal grain roundness is fine, and its crystal size is substantially all at about 50 μm.The utility model during Die Casting by single Stirring-head can be rapidly completed slurrying in productive temp, it is not necessary to changes stirring-head, is not less than on its pulping efficiency Rheomet RSF quick pulping method, and higher than the most of pulping process being currently known, and its stirring-head can be repeatedly Utilize, without increasing other supplementary costs, lower compared to other pulping process costs, improve big rule for further Mould industrialized production provides optimum condition.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7.Stirring-head 7 includes that a upper end offers an accommodation space Shell the 71st, an annular seal set 72 and a rod core 73.Circulation waterway 8 is for being opened in the helical form recirculated water of rod core 73 outer circumferential side Road, inside annular seal set 72 with rod core 73 outside interference fit, outside screw be connected in accommodation space, and annular seal Inside set 72 with rod core 73 outside the junction of upper and lower side all seal welding, it is ensured that will not leak.The heat of alloy pulp 10 Being passed to ring-shaped sealing sleeve 72 by shell 71, then being passed to rod core 73 by ring-shaped sealing sleeve 72, the heat of rod core 73 is then by circulating The recirculated water in water route 8 is quickly taken away, and finally plays the quick effect reducing alloy pulp 10 temperature.By arranging three parts, Can also need not change whole stirring-head when stirring-head damages, it is only necessary to change the part damaged, save maintenance Cost.

With reference to Fig. 4 and Fig. 7.The material of shell 71 uses a kind of special ceramic materials, and it is for by cubic boron nitride and nitridation The composite of aluminium composition, this composite is with cubic boron nitride as matrix, and the component of cubic boron nitride is between 90%～99%, Remaining ingredient is aluminium nitride, and its role is to can be as the cooling medium of alloy pulp while stirring.This material has very Good thermal conductivity, thermal conductivity factor is up to more than 100 W/m K；Having good chemical resistance, stable chemical nature, to institute There is motlten metal chemistry inert, antioxygen temperature 900 DEG C, high temperature resistant 2000 DEG C；Also there is good greasy property, not easy to stick Material, will not change the chemical composition of alloy pulp.Therefore, this material is the material being best suitable for being used as stirring-head shell, in stirring During, it is easy to the temperature of alloy pulp is passed to ring-shaped sealing sleeve, and the water in circulation waterway is taken away heat, finally Play the effect of fast cooling.

With reference to Fig. 4 and Fig. 7.Annular seal set 72 is red copper with the material of rod core 73.The thermal conductivity factor of red copper exceedes 400W/m K, arrange the material of ring-shaped sealing sleeve 72 be red copper can as the heat-conducting medium of shell and rod core, simultaneously because its With rod core 73 interference fit, seal welding, it is ensured that will not leak；In addition, the material arranging rod core 73 is red copper, can hold very much Easily absorb the heat that ring-shaped sealing sleeve is passed over, and pass to the water in circulation waterway 8, so that rod core 73 quickly cools down To continue to absorb the heat that shell 71 passes over, cooling effectiveness controls also by the flow adjusting water in cooler.

With reference to Fig. 1, Fig. 4 and Fig. 7.The outer circumferential side shape of shell 71 can for circle, key profile of tooth, polygon, quincunx in One, and it is polygon-shaped to be not limited to other, it is ensured that it has enough shearing forces, with by the arborescent structure structure shear of alloy For spherocrystal shape institutional framework.The species of specifically chosen stirring-head is determined by the amount of alloy, species, owing to shell 71 is and annular Sealing shroud 72 is threaded, therefore changes simple and convenient.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6.Being equiped with a cylinder 91 on rabbling mechanism 3, cylinder 91 is led by one Bar 92 is in transmission connection with an inducing probes 93, and inducing probes 93 is all connected with switch board 6 signal with cylinder 91, and inducing probes 93 can Control, in stretching into scoop 1, the degree of depth that agitator 5 enters in molten alloy.By arranging inducing probes 93 so that user can root Regulate the position of inducing probes 93 according to actual conditions voluntarily, thus regulate stirring-head 7 and enter the position in molten alloy 10, and make When obtaining the position that stirring-head 7 is preset in entering molten alloy 10, can start voluntarily, it is achieved automation, it is ensured that stir each time Mix the stability of device action.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6.It is equiped with an infrared temperature sensing device 94 on the downside of rabbling mechanism 3, infrared Line temperature detector 94 is connected with switch board 6 signal, and it is for the temperature of real-time detection alloy pulp.Another object of the present utility model It is to provide a kind of method of semi-solid alloy slurry obtaining most stable of solid rate.In current ownership paste-making method, by A lot of in the unstability of pulping process, the particularly temperature of slurry cannot control in real time, it is impossible to obtains and repeats stable solid phase Rate.The utility model is by arranging infrared temperature sensing device, for the temperature of real-time detection alloy pulp, according to different alloys and Solid rate to be reached, pre-set required semi solid slurry temperature, the temperature recording when infrared ray temperature detector reaches institute During the semi solid slurry temperature setting, stirring is automatically stopped, and controls stirring-head and leave alloy pulp, thus obtains stable half Solid alloy slurry.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6.Rabbling mechanism 3 includes a teeter chamber being connected with six-joint robot 2 31 and one links 32 being installed in this lower end, teeter chamber, cylinder 91 and outside line temperature detector 94 are respectively positioned on link 32.Stir The upper end mixing device 5 is a main shaft 53, and main shaft 53 is rotated by bearing 54 and is installed in inside, teeter chamber 31, on teeter chamber 31 madial wall Offer the first annular intake tunnel of arranging up and down 311 and a first annular exhalant canal 312, and first annular water inlet Passage 311 is connected with the apopore of cooler 4 by a water inlet 313 being opened in this teeter chamber 31, first annular water outlet Passage 312 is connected with the inlet opening of cooler 4 by a delivery port 314 being opened in this teeter chamber 31.Main shaft 53 outer circumferential side One second annular intake tunnel 531 and first annular water outlet is offered on the position facing with first annular intake tunnel 311 Offering one second annular exhalant canal 532 on the position that passage 312 faces, the upper end of water inlet pipe 51 is entered by the second annular Aquaporin-5 31 connects with first annular intake tunnel 311, and the upper end of outlet pipe 52 is by the second annular exhalant canal 532 and the One annular exhalant canal 312 connects, wherein, water inlet pipe the 51st, outlet pipe 52 all extend to main shaft 53 internal more respectively with the second ring Shape intake tunnel the 531st, second annular exhalant canal 532 connect, the upper and lower of first annular intake tunnel 311 with first annular go out The upper and lower of aquaporin 312 is equipped with the sealing ring 55 being positioned between teeter chamber and main shaft.When cooler 4 works, cooling water depends on Secondary entered by the 313rd, first annular intake tunnel the 311st, the second annular of the water inlet in the apopore on cooler 4, teeter chamber 31 Aquaporin-5 the 31st, water inlet pipe the 51st, circulation waterway the 8th, outlet pipe the 52nd, the second annular exhalant canal the 532nd, first annular exhalant canal 312nd, the apopore on the 314th, the cooler 4 of the delivery port in teeter chamber 31, is circulated cooling with this.Main shaft 53 is by six axle machines People 2 controls rotation, and drives stirring-head 7 to rotate when main shaft rotates simultaneously.By arranging the second annular water inlet on main shaft 53 Passage the 531st, second annular exhalant canal the 532nd, sealing ring 55 so that main shaft 53 rotate while, the cooling water in cooler 4 Alloy pulp outside cooling down in flowing into stirring-head 7 by the second annular intake tunnel 531, returns the second annular water outlet and leads to Road 532 simultaneously flows in cooler 4, thus reaches to reach hydronic purpose while stirring, it is ensured that while efficiency, Also a saving production cost.By arranging first annular intake tunnel 311 and first annular exhalant canal 312, improve cooling The negotiable amount of water so that the cooldown rate of alloy pulp is improved.

In addition, in the utility model, the main frame in switch board can be by network data line and the electricity being located at office Brain couples, it is possible to coupling mobile phone A PP by wireless network, it is achieved the operation conditions of computer and mobile phone A PP real-time monitoring equipment, The utility model is truly realized the propelling by industrial applications to industry 4.0 for the semisolid technology of preparing, is a leap.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7.A kind of side automatically preparing semi-solid alloy slurry device Method, comprises the following steps:

Step one:

Temperature is loaded in scoop 1 higher than the molten alloy 10 of its liquidus phase temperature 10～20 DEG C.Alloy can close for aluminium Gold, magnesium alloy, kirsite or copper alloy.

Step 2:

Six-joint robot 2 drives rabbling mechanism 3 to move to, above scoop 1, then decline by setting track, makes agitator 5 On stirring-head 7 enter in molten alloy 10, until inducing probes 93 senses that stirring-head reaches within molten alloy 10 Stop during set depth declining, i.e. inducing probes 93 senses the liquid level of molten alloy 10, and now stirring-head 7 is preferably at melted The centre position of alloy 10.

Step 3:

Six-joint robot 2 drives rabbling mechanism 3 to move along the track setting, and control agitator 5 rotation makes to stir simultaneously Mixing 7 pairs of molten alloies 10 to be stirred, this track can be circular, oval, square, in linear one, and rail Mark is not limited to horizontal direction, it is possible to be above-below direction linkage, its object is to obtain the most uniform semi-solid alloy slurry； In addition, six-joint robot 2 also can not drive rabbling mechanism 3 to move, thus carry out fixed point stirring.

Step 4:

Before implementing step 3, cooler 4 is constantly in the middle of work, and the normal-temperature water in cooler 4 passes through water inlet pipe The water inlet end of 51 inflow circulation waterways 8, the hot water being formed after circulation heat absorption, flow into or out from the water side of circulation waterway 8 Water pipe 52, reenters in cooler 4.Cooler 4 can control the temperature of water, flow, thus ensures stirring-head to alloy pulp 10 Cooling effect.

Step 5:

Implementing step 3, during four, molten alloy gradates as alloy pulp, and at infrared temperature sensing device 94 When sensing that the temperature of alloy pulp 10 reaches preset value, step 3, four stoppings are carried out.This temperature should be less than the liquidus curve of alloy Temperature, and higher than the solidus temperature of alloy, and the solid rate of semi-solid alloy slurry is to be controlled by the temperature after stirring.

Step 6:

Six-joint robot 2 drives rabbling mechanism 3 to rise, and makes stirring-head 7 leave alloy pulp 10, semi-solid alloy slurry system Become.

The utility model utilizes the Digitizing And Control Unit that six-shaft industrial robot is carrier first.By this slurrying side Method, whole process can realize Digital Control, including movement locus, mixing position, mixing time, temperature etc., and can realize The storage of multiple programs data, realizes repeating to call to the pulping program of every a product, improves ageing and reliability, and Slurrying cost can be saved.Solve existing semi-solid slurrying method when present in efficiency is low, cost is high, solid rate is difficult to control to Etc. problem.

Above are only detailed description of the invention of the present utility model, but design concept of the present utility model be not limited thereto, All changes utilizing this design to carry out unsubstantiality to the utility model, all should belong to the row invading the utility model protection domain For.

Claims (2)

1. one kind for automatically preparing the agitator in semi-solid alloy slurry device, it is characterised in that: include a main shaft, one Water inlet pipe and an outlet pipe, the outer circumferential side of described main shaft offers one second annular intake tunnel and one second annular water outlet is led to Road, the upper end of described water inlet pipe extends to described main shaft inside and connects with described second annular intake tunnel, described outlet pipe To extend to described main shaft internal and connect with described second annular exhalant canal, described water inlet pipe lower end and described water outlet in upper end Pipe lower end is connected by a circulation waterway being located within a stirring-head, and described main shaft is installed in a stirring by bearing is rotatable Indoor, described teeter chamber offers a water inlet and a delivery port, and described second annular intake tunnel passes through described water inlet Connecting with the apopore of a cooler, described second annular exhalant canal is connected by the inlet opening of described delivery port and this cooler Lead to, and the upper and lower of described second annular intake tunnel and the upper and lower of the second annular exhalant canal are equipped with and are positioned at teeter chamber And the sealing ring between main shaft.

2. a kind of for automatically preparing the agitator in semi-solid alloy slurry device as claimed in claim 1, its feature It is: on the position that inner circumferential side, described teeter chamber and described second annular intake tunnel face, offer a first annular water inlet A first annular exhalant canal, described second ring is offered on the position that passage and described second annular exhalant canal face Shape intake tunnel is connected with described water inlet by described first annular intake tunnel, and described second annular exhalant canal passes through institute State first annular exhalant canal to connect with described delivery port.