CN108554652A - A kind of direct-drive type centrifugal separation equipment - Google Patents

Abstract

The invention discloses a kind of direct-drive type centrifugal separation equipment, which includes：Combine together with centrifugal turntable and the rotor being combined into one and centrifugal reel or centrifugal rotor as individual components；Or include the rotor and motor stator for combining together and being combined into one with centrifugal turntable；Position where the motor gas-gap port that annular groove side can be led to is higher than the bottom interior surface of the annular groove of tool leakage fluid dram；The gap being connected with motor gas-gap, the gap are sealed in any one position for leading to annular groove side, and the sealing makes target substance be isolated with the motor gas-gap.It is an advantage of the invention that：It can be converted between lock-out state and unlocked state between the rotor and centrifugal reel or centrifugal rotor of the equipment, each component manufacture and complete machine are easy to assembly, device security is high and quiet operation is stablized, it is easy maintenance and cleaning validation, various defects or drawback existing for existing solid-liquid separating equipment can be overcome.

Description

A kind of direct-drive type centrifugal separation equipment

The application is on 03 23rd, 2015 applying date, application number CN201510128476.8, application publication number The divisional application of CN105251624A, entitled " a kind of direct-drive type centrifugal separation equipment ".

Technical field

The present invention relates to a kind of direct-drive type centrifugal separation equipment and its application method, specifically a kind of small-sized solidliquid mixture Centrifugal separation equipment and its application method can be used for laboratory the solid of gram-grade to feather weight is thorough from solidliquid mixture It separates, and makees perfect cleaning to equipment.

Background technology

In laboratory lab scale and pilot scale research and industrial processes, we, which are frequently encountered, needs to mix solid-liquid Object is completely separated and is washed solid, the case where to obtain satisfactory solid or liquid.It is commonly used in industrial production Solid-liquid separating equipment be exactly various centrifuges, especially link-suspended basket centrifuge.But at present by industrial production with from The equipment that scheming is improved by miniaturization still seems excessively heavy, noise and vibration are too big, centrifugal reel cannot basis It needs replacing size or replaces the requirement for being especially not easy, thus being not suitable for laboratory lab scale and pilot scale.

In laboratory research, the desk centrifuge or Buchner funnel that are mainly various specifications for the equipment that we select The combination of bottle,suction, especially Buchner funnel is added to add being applied in combination for bottle,suction the most universal.But use filtered on buchner funnel Detaching solidliquid mixture, there is also many drawbacks, though even using identical raw material and technique, due to everyone experience, The difference of technology, operation skill etc. causes its obtained product the significant difference in quality, even unqualified occur, especially It is all sometimes even more so containing oily impurity, foreign pigment or the two in solidliquid mixture.Even same person is different Significant difference in quality, even unqualified may also occur in the product of batch.

For desk centrifuge, centrifugal precipitation mechanism is referred in most cases, can not be realized solid in solidliquid mixture Body and liquid are completely separated and well wash and remove impurity.In order to realize, solid and the thorough of liquid are divided in solidliquid mixture Impurity this purpose is washed and removes from good, people have invented various improved solid-liquid separation charging barrels.Nevertheless, desk-top Centrifuge still has more fatal defect：(1) it is unable to on-line cleaning solid：Washing for solid is carried out i.e. under rotor rotation situation It washs, actual conditions that can not be in simulated production, and provides necessary centrifugally operated data in advance for production；(2) cannot add online Material：It feeds when i.e. rotor rotates；(3) must have accurate trim barrel can carry out centrifugally operated, single sample without Method centrifuges；(4) useful load of barrel cannot be met various needs well by certain restriction.

Laboratory lab scale and a main feature of pilot scale are exactly：It is frequently necessary to the product in different cultivars or different lot numbers Between switch over, this just needs quickly to replace centrifugal reel, is quickly cleaned to centrifugal liquid collecting chamber Verification.And all there is complicated, centrifugal reel fixation in existing various centrifuges or solid-liquid separating machine and taking-up is not easy, together When centrifuge cleaning it is also time-consuming and laborious, and manufacturing process is complicated, expensive, the various defects of repair, maintenance cost height etc. Or drawback, it cannot preferably meet the needs that solidliquid mixture is completely separated in laboratory lab scale and pilot scale.

Invention content

The purpose of the present invention is to provide a kind of direct-drive type centrifugal separation equipment and its application methods, can overcome existing Various centrifuges or solid-liquid separating machine existing for various defects or drawback, preferably meet solid-liquid in laboratory lab scale and pilot scale The needs that mixture is completely separated.

Technical solution：

In order to overcome various defects or drawback existing for existing various centrifuges or solid-liquid separating machine, the present invention provides A kind of direct-drive type centrifugal separation equipment and its application method, the measure which is taken in structure include：

A kind of direct-drive type centrifugal separation equipment, the direct-drive type centrifugal separation equipment include：It combines together with centrifugal turntable And the rotor being combined into one and centrifugal reel or centrifugal rotor as individual components；Or including

The rotor and motor stator for combining together and being combined into one with centrifugal turntable；

Wherein it is described execute solid-liquid centrifuge task centrifugal reel (Fig. 2) include：

Fixed connection structure A interactions on fixed connection structure B, the fixed connection structure B and rotor from And realize between centrifugal reel and rotor centrifugation when locking and centrifugation after unlock, and locking when make from Heart rotary drum is with the synchronized coaxial rotating of rotor；

Prevent the center that target substance is overflowed from centrifugal reel ontology front end from having the centrifugal reel head cover of charging aperture (2-6) (2-3、9-11)；

The centrifugal reel ontology (2-2,9-5) of solid-liquid separation function is executed, cylindric peripheral wall has perforative filter opening (2- 5)；

The centrifugal reel bottom (2-1) for preventing target substance from being overflowed from centrifugal reel ontology rear end；

Wherein it is described execute solid-liquid centrifuge task centrifugal rotor (Fig. 3) include：

Fixed connection structure A interactions on fixed connection structure B, the fixed connection structure B and rotor from And realize between centrifugal rotor and rotor centrifugation when locking and centrifugation after unlock, and locking when make from Heart rotor is with the synchronized coaxial rotating of rotor；

Centrifugal rotor ontology (3-1) provides the centrifugation pore carrier of fixed centrifuge tube；

Centrifugation pore (3-2) on centrifugal rotor ontology, the centrifugation pore and horizontal plane or with motor axis center Line is angled；

The centrifuge tube of suitable configurations；

The wherein described driving centrifugal reel or the rotor of centrifugal rotor execution solid-liquid centrifugation task include：

Fixed connection structure A, the fixed connection structure A and the fixed connection structure B on centrifugal reel or centrifugal rotor Interact to realize between rotor and centrifugal reel or centrifugal rotor centrifugation when locking and centrifugation after Unlock, and make centrifugal reel or centrifugal rotor and the synchronized coaxial rotating of rotor in locking；

Rotor assembly (8-6), the rotor assembly pass through the electromagnetic interaction between the field frame assembly (8-7) being adapted to The rotary force of generation makes rotor rotate around motor shaft centre line；

Spacer portion, undertake the contact intermediary of rotor assembly support portion and centrifugal reel or centrifugal rotor and control in from The flow direction of the target substance of heart shaped state and its each constituent；

Carry the rotor assembly support portion of rotor assembly；

The wherein described rotor assembly across motor gas-gap be located at rotor assembly support portion corresponding with field frame assembly or Every portion, the position of the rotor assembly is determined by the flux structure of driving motor；

The wherein described motor gas-gap port (B in position, Fig. 9 and Figure 10 shown in 7-19 that can lead to annular groove side Shown in position) where position higher than tool leakage fluid dram annular groove bottom interior surface；

The wherein described gap being connected with motor gas-gap, the gap is in any one position for leading to annular groove side (position shown in B in position, Fig. 9 and Figure 10 shown in 7-19) is sealed, and the sealing makes target substance and the motor gas-gap It is isolated.

In detail, position relationship, motor gas-gap and the annular groove of motor gas-gap of the present invention and annular groove bottom Between sealed off and motor uses plastic package structure form, the synthesis of this three can farthest prevent target substance Especially its liquid component enters motor gas-gap and is at electric insulating state, to reduce the complexity of electric machine structure (without taking motor complicated electrical isolation measure), improving the corrosion resistance of centrifugation apparatus, (plastic packaging material can be with acid and alkali resistance, salt And organic solvent corrosion) and electric safety, and this is the pass that the centrifugation apparatus of structure type of the present invention succeeds Where key.

In detail, the target substance includes the solidliquid mixture centrifuged and its each constituent (i.e. solid portion And liquid portion)；" can lead to annular groove " means that " if blow-by, motor gas-gap is logical with annular groove It is connection to cross gap, and target substance can enter motor gas-gap "；" gap " includes but not limited to rotor and ring Connected in star madial wall top is formed by gap.

In detail, Fig. 1 (including Fig. 1-1 to Fig. 1-9) illustrates the centrifugation turn of several most common fixed connection structure A of tool Disk, fixed connection structure A therein include but not limited to raised (1-2,1-4,1-6), through-hole (1-8,1-9), card slot (1-10).

In detail, Fig. 2 (including Fig. 2-1 to Fig. 2-3) illustrates the centrifugation turn of several most common fixed connection structure B of tool Drum, fixed connection structure B therein include but not limited to raised (2-4,2-7), groove (2-8).

In detail, Fig. 3 (including Fig. 3-1 to Fig. 3-3) illustrates the centrifugation turn of several most common fixed connection structure B of tool Son, fixed connection structure B therein include but not limited to raised (3-3,3-5), buckle (3-4).

In detail, which kind of fixed connection structure is selected to regard between the rotor and centrifugal reel or centrifugal rotor specific Situation determines that wherein Fig. 4 (including Fig. 4-1 to Fig. 4-3) illustrates fixed connection structure A and centrifugal reel on rotor Or it interacts between the fixed connection structure B both on centrifugal rotor and then realizes mutually locking between the two or unlock Three kinds of typical cases.

In detail, it is hollow to illustrate several motors for having most common fixed connection structures by Fig. 5 (including Fig. 5-1 to Fig. 5-6) Rotor, fixed connection structure B therein include but not limited to raised (5-3,5-4,5-6), card slot (5-7).

In detail, when the rotor is radial flux configurations (Fig. 7, Fig. 8), the rotor assembly support portion is (in Fig. 7 Position shown in 7-9) and spacer portion (position shown in 8-5 in position, Fig. 8 shown in 7-8 in Fig. 7) exist each independently, the two with Rotor assembly collectively forms rotor.

In detail, the rotor be axial flux structure (Fig. 9, Figure 10) when, the rotor assembly support portion and (position shown in 9-7 in Fig. 9 and Figure 10) is combined into one every portion, the rotor assembly is located at spacer portion, and which strongly simplifies electricity The structure of machine rotor, while its weight is reduced, be conducive to improve electric efficiency, reduce energy consumption.

As advanced optimizing for the present invention, the centrifugal reel for executing solid- liquid separation task or centrifugal rotor pass through Fixed connection structure B is locked on rotor in centrifugation and with the synchronized coaxial rotating of rotor, and after centrifuging It is unlocked taking-up；It works in coordination between the rotor and centrifugal reel or centrifugal rotor and is being centrifuged therebetween to realize When locking and centrifugation after release any of the fixed connection structure A and B of the locking in structure as described below Person or both or more composite construction between person：Screw thread, protrusion, groove, card slot, buckle, through-hole.

As the further optimization of the present invention, work in coordination to realize two between the centrifugal reel and rotor Compound locking between the protrusion, groove, card slot, buckle, through-hole or both or the more persons that lock and/or unlock between person And/or unlocking structure be centered on motor shaft, it is peripherally disposed and axially extend, axial height or depth is big In its radial width or radius, protrusions, groove, card slot, buckle, the preferred axial symmetry of cross section figure of through-hole or center Symmetrical structure figure.

In detail, described to realize that the structure for locking and/or unlocking between centrifugal reel or centrifugal rotor and rotor Be set to the upper surface (see embodiment 1) of centrifugal turntable or centrifugal basket (Fig. 1), lower surface, outer circumference surface, inner peripheral surface or The inner surface of centrifugal basket, end face；Or it is set to the outer surface (embodiment 2 of motor internal rotor, outer rotor or disk type electric motor rotor With 8), end (embodiment 3 and 4)；Or it is set to the inside, bottom, end (Figure 11, Figure 12) of motor sleeve rotor；Or setting In the outer surface of centrifugal reel or centrifugal rotor, upper end, lower end, bottom outer surface (Fig. 2, Fig. 3).

In detail, described Fig. 5 illustrates the structure for the motor sleeve rotor for having most common fixed connection structure A, Fig. 7, figure 8, Fig. 9 then illustrates the centrifugal reel for having most common fixed connection structure B and rotor interacts to execute solid-liquid point Leave one's post business the case where, Figure 11, Figure 12 then illustrate the centrifugal reel and motor sleeve rotor phase for having most common fixed connection structure B It is equally applicable to be replaced with centrifugal rotor by the case where interaction is to execute solid- liquid separation task for centrifugal reel.

As advanced optimizing for the present invention, the centrifugal liquid collecting chamber for collecting and guiding liquid flow direction Including：

Head cover at least has the channel in centrifugal material introducing rotating centrifugal unit centrifugation area and closes centrifugal liquid To prevent centrifugal material from escaping from its top, " rotating centrifugal unit centrifuges area " includes at least centrifugation on collecting chamber cavity wall top Rotary drum or centrifugal rotor；

Centrifugal liquid collecting chamber cavity wall, the centrifugal liquid collecting chamber cavity wall is for collecting and guiding liquid material at shunting To the annular groove positioned at base portion；

Centrifugal liquid collecting chamber cavity (position shown in 6-17,7-6 and 9-12), the centrifugal liquid collecting chamber cavity are The internal cavities that head cover, centrifugal liquid collecting chamber cavity wall and base portion are surrounded；

Base portion, the bottom end of the base portion closing centrifugal liquid collecting chamber cavity wall, the base portion include：

Positioned at innermost bearing block, the bearing chamber part in the bearing block is equipped with bearing, the bearing support rotation Turn the rotary shaft of centrifugal unit；

It the annular groove that connects positioned at outermost and the cavity wall of centrifugal liquid collecting chamber and is communicated with annular groove bottom Leakage fluid dram, for collecting liquid material ingredient, the leakage fluid dram positioned at annular groove bottom is used to limit the annular groove Determine the outflow direction of liquid material ingredient, the bottom interior surface of the annular groove leads to annular groove side less than motor gas-gap Port where position；

Motor stator area, the motor stator area provide the resettlement area of motor stator；

Rotor Rotary District, the rotor Rotary District provide rotation of the rotating centrifugal unit in the case where centrifuging operating condition Turn the parking area under region and halted state；

The wherein described gap being connected with motor gas-gap, the gap is in any one the position quilt for leading to annular groove side Sealing, the sealing make target substance be isolated with the motor gas-gap；

Relative position between the wherein described motor stator area and rotor Rotary District is by motor stator and rotor Between flux structure determine.

It is described to be fixed by the integrally formed motor stator of plastic packaging stator assembly as advanced optimizing for the present invention Make field frame assembly and base portion one in the motor stator area of centrifugal liquid collecting chamber base portion or in the position in motor stator area Plastic packaging is molded；

The wherein described motor stator (Fig. 7~Figure 10) includes：

Field frame assembly compatible with rotor assembly, the field frame assembly are made up of with rotor assembly electromagnetic interaction The electric machine of rotary motion can be generated to drive rotating centrifugal unit around motor shaft centre line rotate, the field frame assembly across Air gap is located at the base portion of centrifugal liquid collecting chamber corresponding with rotor assembly；

Supporter is rotated, the rotation supporter includes motor shaft, bearing chamber and bearing, and the rotation is supported single Member is located at the bearing block center of centrifugal liquid collecting chamber base portion；

Field frame assembly support portion, carries field frame assembly and the motor that tool complete structure and function are constituted with field frame assembly is fixed Son；

The wherein described plastic package structure part cooperate jointly with the sealing in motor gap make it is electric between motor and target substance Insulated isolation.

In detail, preferably field frame assembly is made to be molded with base portion one plastic packaging in the position in motor stator area.

As advanced optimizing for the present invention, the preferred cantilever of rotor is connected on motor shaft；The motor is high Degree is preferably smaller than its diameter or width；The motor stator and the preferred Full-plastics sealed closed structure of rotor.Such structure peace Row can reduce the complexity of electric machine structure, reduce including rotor and entirely holding including centrifugal reel or centrifugal rotor Row solid-liquid centrifuges the center of gravity of the rotary part of task and enhances its balance quality and improve the safety of centrifugal separation equipment Property.

As advanced optimizing for the present invention, the diameter of the centrifugal reel is used to centrifuge solidliquid mixture with it The ratio between effective height is preferably 2~10, and preferred ratio is 2~5, and the size of ratio is determined by the diameter of centrifugal reel.

In detail, when the diameter of centrifugal reel is bigger, this ratio is closer to 2；When the diameter of centrifugal reel is smaller, This ratio is closer to 10.This ratio (industrial centrifugal machine is generally 1.5~2.0) relative to industrial centrifugal machine bigger, can The centrifugal force that is subject to of liquid material in centrifugal reel when being centrifuged with increasing, at the same when increasing centrifugation in rotary drum solid material radial direction Thickness, this is highly beneficial to thoroughly removing the impurity in product when washing, also to connection structure on centrifugal turntable or centrifugal basket Arrangement, centrifugal reel manufacture and use when replacement it is advantageous.

As advanced optimizing for the present invention, the centrifugal turntable or centrifugal basket are the independence for being fixed on motor-shaft extending end Component, when driving motor is located at the bottom outside center of centrifugal liquid collecting chamber, pedestal and metab, or it is golden with motor Belong to shell, end cap, or is integrally formed the chamber for being constituted centrifugal liquid collecting chamber with thermosetting property or thermoplastic with field frame assembly Wall；Thereon, lower bearing is located at the axis for being integrally formed the central cavity that centrifugal liquid collecting chamber bottom outside is surrounded by field frame assembly Hold interior；Rotor cantilever is connected on motor shaft.

In detail, when centrifugal turntable or centrifugal basket are individual components (Fig. 6), driving motor is located at centrifugal liquid collecting chamber When the bottom outside center of (6-17), motor front end cover (6-13) and its extended segment, pedestal (6-9), field frame assembly (6-8) with Plastic packaging material is integrally formed the cavity wall (6-3) for constituting centrifugal liquid collecting chamber, bottom center surround accommodate upper and lower bearing (6-19, 6-22) and the circular cavity of motor shaft (6-20)；Rotor cantilever is connected on motor shaft；The metal shell of its driving motor Or end cap can also extend radially outward and collect cavity wall to centrifugal liquid and then be extended axially upward again to centrifugal liquid At the top of collecting chamber, to constitute the metal strengthening part that centrifugal liquid collects cavity wall.

In detail, described Fig. 6 and embodiment 1 can be regarded as close to traditional structure solid-liquid centrifugation separation equipment or The present invention is further improved, perfect starting point.

As advanced optimizing for the present invention, when the rotor is outer rotor, driving motor is positioned partially or entirely in When the bottom inside center of centrifugal liquid collecting chamber, electric motor end cap, pedestal, metab or field frame assembly are with thermosetting property or warm Thermoplastic plastic is integrally formed the cavity wall for constituting centrifugal liquid collecting chamber；Motor outer rotor cantilever is connected to motor-shaft extending end, thereon, Lower bearing, which is located at, is integrally formed the center that centrifugal liquid collecting chamber bottom is surrounded by field frame assembly, end cap, plastic packaging material and pedestal In the bearing chamber of cavity, or in the bearing chamber in metab center；

Selected from centrifugal seal, fan between the motor outer rotor open end and centrifugal liquid collecting chamber bottom or motor stator Any or between both or three compound sealing structure in palace sealing, helixseal.

In detail, when the rotor is outer rotor (Fig. 7), rotary drum connection structure (7-7) is located at motor outer rotor Outer surface, back end cover for motor (7-15) and its extended segment (7-23), pedestal (7-11), field frame assembly (7-10) are with plastic packaging material one The body formed cavity wall for constituting centrifugal liquid collecting chamber, bottom center surround the upper bearing (metal) (7- for accommodating and being set in motor shaft both ends 16), the cylindrical cavity of lower bearing (7-17) and motor shaft (7-18)；Motor outer rotor, which is located at, is integrally formed centrifugal liquid collection The bottom inside and cantilever of chamber (7-6) are connected to the axle stretch end of motor shaft (7-18)；Or motor outer rotor, centrifugal turntable or from Heart rotating cylinder, centrifugal reel are integrally formed as an overall structure；Motor outer rotor open end and centrifugal liquid collecting chamber bottom Group between any or both or three in preferred centrifugal seal, labyrinth seal, helixseal between portion or field frame assembly The sealing structure of conjunction.

As advanced optimizing for the present invention, when the rotor is internal rotor, as enhancing component and internal rotor magnetic The discoid metal component in circuit covers entire rotor rim upper surface simultaneously wrapping portion or whole stator yokes；Discoid metal The rotor cantilever that component, rotor rim and connection structure are molded with thermosetting property or thermoplastic entirety plastic packaging and are constituted connects It is connected to motor-shaft extending end；The upper and lower bearing of rotor, which is located at, is integrally formed centrifugal liquid collecting chamber bottom by end cap or Metal Substrate In the bearing chamber for the central cavity that seat is surrounded with plastic packaging material, rotor is located at the annulus that field frame assembly is surrounded with plastic packaging material In shape cavity；

Selected from centrifugal seal, fan between motor internal rotor upper end and centrifugal liquid collecting chamber bottom or motor stator The sealing structure combined between any or both or three in palace sealing, helixseal.

In detail, when the rotor is internal rotor (attached drawing 7), rotary drum connection structure (7-7) is located at motor outer rotor Outer surface, electric motor end cap (7-15) and its extended segment (7-23), pedestal (7-11), field frame assembly (7-10) are with plastic packaging material one The body formed cavity wall for constituting centrifugal liquid collecting chamber, bottom center surround the upper bearing (metal) (7- for accommodating and being set in motor shaft both ends 16), the cylindrical cavity of lower bearing (7-17) and motor shaft (7-18)；Motor outer rotor, which is located at, is integrally formed centrifugal liquid collection The bottom inside and cantilever of chamber (7-6) are connected to the axle stretch end of motor shaft (7-18)；Or motor outer rotor, centrifugal turntable or from Heart rotating cylinder, centrifugal reel are integrally formed as an overall structure；Preferred centrifugal seal, fan between upper rotor part and field frame assembly The sealing structure combined between any or both or three in palace sealing, helixseal.

As advanced optimizing for the present invention, when the rotor is disk type electric motor rotor, the rotor is selected from It is any in stator or intermediate stator both sides rotor disc type motor under upper rotor part, disc type electric machine be located fully or partially at one at The bottom inside of type centrifugal liquid collecting chamber, upper rotor part diameter are more than stator diameter；Discoid gold as upper rotor part magnetic loop Metal elements cover entire rotor rim upper surface simultaneously wrapping portion or whole stator yokes；Discoid metal component, rotor rim And connection structure is connected to motor-shaft extending with the rotor cantilever that thermosetting property or thermoplastic entirety plastic packaging are molded and are constituted End；The upper and lower bearing of rotor is located at the bearing chamber for the central cavity that field frame assembly is surrounded with plastic packaging material or metab It is interior；

Selected from centrifugal seal, fan between motor upper rotor part open end and centrifugal liquid collecting chamber bottom or motor stator The sealing structure combined between any or both or three in palace sealing, helixseal.

In detail, when the rotor is disk type electric motor rotor (Fig. 9, Figure 10), rotary drum connection structure turns positioned at disc type Sublist face, any, disk type electric motor rotor position in stator or intermediate stator both sides rotor disc type motor under preferred upper rotor part In the bottom inside center for being integrally formed centrifugal liquid collecting chamber (9-12), upper rotor part diameter is more than stator diameter；As upper turn The discoid metal component (9-24) of sub- magnetic loop wraps up entire rotor rim portion and partial stator yoke, discoid metal component It is molded with thermosetting plastics entirety plastic packaging with rotor rim, rotor is connected to motor shaft (9- by fixing screws (9-19) cantilever 23) axle stretch end；The upper and lower bearing of rotor is located at the center that field frame assembly (9-15) is constituted with plastic packaging material or pedestal (9-9) In the bearing chamber of cavity；Or motor upper rotor part, centrifugal turntable or centrifugal basket, centrifugal reel be integrally formed it is whole for one Body structure (Figure 10)；Between upper rotor part and field frame assembly it is any in preferred centrifugal seal, labyrinth seal, helixseal or they The sealing structure combined between the two or three.

It is described for any direct-drive type centrifugal separation equipment of the present invention as advanced optimizing for the present invention The centrifugal liquid collecting chamber of direct-drive type centrifugal separation equipment includes the structure division described in following (I) and (II)：

(I) punch forming or other manufacturing process are molding as centrifugal liquid collecting chamber enhancing structure and/or motor knot The metallic moiety of structure；

(II) make centrifugal liquid collecting chamber possess complete structure and function by plastics or resin molded molding plastic packaging knot Structure part；

It is complete that each metallic moiety plastic packaging is connected as tool by the wherein described plastics or resin by way of being molded The centrifugal liquid collecting chamber of structure and function or simultaneously by each metallic moiety and the stator into a single integrated structure with base portion Assembly plastic packaging is thus configured to the centrifugal liquid collecting chamber (Fig. 6~Figure 10) of tool complete structure and function；

The wherein described plastic package structure part cooperate jointly with the sealing in motor gap make it is electric between motor and target substance Insulated isolation (Fig. 7~Figure 10)；

It is wherein described for seal the structure in the gap being connected with motor gas-gap by plastics or it is resin molded be molded from It is formed during heart liquid collecting chamber.

In detail, the metallic moiety include but not limited to cooling coil, Metal Substrate portions, motor metal shell, At least one of electric motor end cap, metab.

In more detail, the electric motor end cap or metab radially can then extend axially upward composition from The metal enhancing inner wall (Fig. 7) of heart liquid collecting chamber.

In more detail, direct-drive type centrifugal separation equipment according to the present invention, the direct-drive type centrifugal separation equipment are adopted It is fabricated with method as described below：

Using punch forming or the molding metal structure of other manufacturing process as centrifugal liquid collecting chamber liner or strengthening material Material or the motor stator being made as electric machine structure part or various techniques are placed in the correct position in mold, then note Enter plastics or resin, using injection molding or other techniques integrated molding centrifugal separation equipment agent structure is made, then assemble and At direct-drive type centrifugal separation equipment.This law is particularly suitable for manufacture of the gram-grade to feather weight centrifugal separation equipment.

In detail, plastics of the present invention include but not limited to thermoplastic or thermosetting plastics and its derivative form.

In detail, the centrifugal liquid collecting chamber is with thermoplasticity or thermosetting plastics and cooling coil, pedestal, motor gold The inner circular that category shell, electric motor end cap, metab or Motor Stator Assembly are constituted by molding process is integrally formed Cavity, the direct-drive type centrifugal separation equipment main body is as a whole, it is preferred to use and integral forming process technology integrally manufactures, It is integrally formed the material that the preferred metal of material is combined with engineering plastics, the unsaturated polyester (UP) in more preferable Thermoset engineering plastics Glass fibre reinforced mould plastic (abbreviation DMC or BMC) and steel or the composite material of aluminium.Simple metal forming material can increase The range of choice of motor, while the safety coefficient of centrifugal liquid collecting chamber is also very high, but it is detrimental to anti-corrosion and maintenance；It is single The range of choice of pure engineering plastics then motor is restricted, the safety coefficient relative reduction of centrifugal chamber.Therefore, metal and engineering plastic Expect the material being combined, especially BMC and steel or the composite material of aluminium, combines the respective advantage of the two, be best use Material.

It is described for any direct-drive type centrifugal separation equipment of the present invention as advanced optimizing for the present invention Driving centrifugal reel or the rotor of centrifugal rotor execution solid-liquid centrifugation task include：

Rotor assembly；And (I) and (II) or the only structure division described in (II) as follows：

(I) punch forming or the molding metallic moiety as rotor enhancing structure of other manufacturing process；

(II) make rotor possess complete structure and function by plastics or resin molded molding plastic package structure part；

The wherein described plastics or resin rotor assembly and metallic moiety described in plastic packaging by way of being molded Or only part (Fig. 7~Figure 10) or whole of the plastic package rotor assembly to constitute rotor assembly support portion and/or spacer portion (are schemed 11, Figure 12).

As advanced optimizing for the present invention, the driving centrifugal reel or centrifugal rotor execute solid-liquid and centrifuge and appoint The motor stator of business includes：

Field frame assembly；And (I) and (II) or the only structure division described in (II) as follows：

(I) punch forming or the molding metallic moiety as motor stator structure of other manufacturing process；

(II) make motor stator possess complete structure and function by plastics or resin molded molding plastic package structure part；

The wherein described plastics or resin field frame assembly and metallic moiety described in plastic packaging by way of being molded Or only plastic packaging stator assembly to constitute some or all of field frame assembly support portion or centrifugal liquid collecting chamber.

Direct-drive type centrifugal separation equipment according to the present invention, can be by by rotor and centrifugal reel or centrifugation Quickly connection and dismounting are carried out between rotor；The centrifugation that can use multi-layer filter paper that filter cloth bag is replaced to carry out low-volume samples； Obtained solid material is taken out together with rotary drum after centrifugation, carries out Weighing；Centrifugal liquid receipts are carried out after taking out rotary drum The cleaning for collecting chamber and liquid outflow channel, so as to execute being completely separated for solid-liquid mixtures.

In detail, described Fig. 7 to Fig. 9 and its corresponding embodiment diagram and to detail centrifugal reel mutual with rotor Effect is to realize locking between the two and execute the case where solid-liquid is completely separated task, simply, more by centrifugal reel It changes centrifugal rotor into, then can perform the solid- liquid separation or layering task of multiple samples.

Advantageous effect：

Compared with prior art, direct-drive type centrifugal separation equipment provided by the invention, its advantage is that：

(1), the fixation and taking-up of centrifugal reel or centrifugal rotor are very efficient and convenient；

(2), the centrifugal reel of not co-content can be easily replaced by same desk centrifuge；

(3), multi-layer filter paper can be used as centrifugation filter material, experimental result is accurately reliable, can be provided for industrial production Reliable data are supported；

(4), manufacturing method is very simple, is convenient for industrialized production, of low cost；

(5), the purchase, use, maintenance of centrifugal separation equipment, cleaning charge are greatly lowered.

Attached drawing and description of the drawings

Attached drawing 1 is the centrifugal turntable for having various connection structures；

Attached drawing 2 is the centrifugal reel for having various connection structures；

Attached drawing 3 is the centrifugal rotor for having various connection structures；

Attached drawing 4 is typical connection structure interaction schematic diagram；

Attached drawing 5 is the core motor rotor for having various connection structures；

Attached drawing 6 is 1 structural schematic diagram of embodiment；

Attached drawing 7 is 2 structural schematic diagram of embodiment；

Attached drawing 8 is 3 structural schematic diagram of embodiment；

Attached drawing 9 is 4 structural schematic diagram of embodiment；

Attached drawing 10 is 5 structural schematic diagram of embodiment；

Attached drawing 11 is 6 structural schematic diagram of embodiment；

Attached drawing 12 is 7 structural schematic diagram of embodiment；

Wherein：

1-1, centrifugal turntable ontology；1-2, protrusion 1；1-3, fixed mounting hole 1；

1-4, protrusion 2；1-5, fixed mounting hole 2；1-6, protrusion 3；

1-7, through-hole 1；1-8, through-hole 2；1-9, through-hole 3；

1-10, card slot 1；

2-1, centrifugal reel bottom；2-2, centrifugal reel ontology；2-3, centrifugal reel head cover；

2-4, protrusion 4；2-5, filter opening；2-6, charging aperture 1；

2-7, protrusion 5；2-8, groove 1；2-9, protrusion 6；

3-1, centrifugal rotor ontology；3-2, centrifugation pore；3-3, protrusion 7；

3-4, buckle 1；3-5, protrusion 8；

4-1, raised interconnecting piece 1；4-2, raised interconnecting piece 2；4-3, raised blocking arm；

4-4, buckle 2；4-5, arc convex.

5-1, sleeve rotor ontology；5-2, permanent magnet 1；5-3, protrusion 9；

5-4, protrusion 10；5-5, permanent magnet 2；5-6, protrusion 11；

5-7, card slot 2；

6-1, separate cap；6-2, cooling coil；6-3, cavity wall；

6-4, centrifugal reel；6-5, centrifugal turntable；6-6, turntable connection structure；

6-7, permanent magnet；6-8, field frame assembly；6-9, base portion；

6-10, shock-absorbing foot pad；6-11, fixing screws 1；6-12, baffle ring；

6-13, drive end bearing bracket；6-14, fan blade；6-15, fixing screws 2；

6-16, fixing screws 3；6-17, centrifugal liquid collecting chamber：6-18, rotary drum connection structure；

6-19, upper bearing (metal)；6-20, motor shaft；6-21, rotor；

6-22, lower bearing；6-23, rotor bushing；6-24, leakage fluid dram；

6-25, top cover fixing structure；6-26, door lock；6-27, rotary drum head cover；

7-1, head cover 1；7-2, connection structure 1；7-3, connection structure 2；

7-4, cooling coil；7-5, centrifugal reel；7-6, centrifugal liquid collecting chamber；

7-7, rotary drum connection structure；7-8, metal yoke；7-9, permanent magnet；

7-10, field frame assembly；7-11, base portion；7-12, fixing screws；

7-13, baffle ring；7-14, rotor bushing；7-15, rear end cap；

7-16, upper bearing (metal)；7-17, lower bearing；7-18, motor shaft；

7-19, O-ring seal；7-20, leakage fluid dram；7-21, rotor connection structure；

7-22, rotary drum head cover；7-23, rear end cap are axially extending；7-24, connection structure 3；

7-25, connection structure 4；

8-1, head cover；8-2, cooling coil；8-3, centrifugal reel；

8-4, rotary drum connection structure；8-5, metal yoke；8-6, rotor assembly；

8-7, field frame assembly；8-8, drive end bearing bracket；8-9, charging aperture；

8-10, fixing screws 1；8-11, baffle ring；8-12, rotor bushing；

8-13, fixing screws 2；8-14, rear end cap；8-15, lower bearing；

8-16, hold-doun nut；8-17, motor shaft；8-18, upper bearing (metal)；

8-19, leakage fluid dram；

9-1, centrifugal liquid collecting chamber head cover；9-2, door lock；9-3, top cover connecting structure；

9-4, cooling coil；9-5, centrifugal reel；9-6, rotary drum connection structure；

9-7, rotor；9-8, brush；9-9, pedestal；

9-10, top cover fixing structure；9-11, rotary drum separate cap；9-12, centrifugal liquid collecting chamber；

9-13, rotor connection structure；9-14, yoke are axially extending；9-15, permanent magnet；

9-16, leakage fluid dram；9-17, commutator；9-18, rotor bushing；

9-19, rotor fixing screws；9-20, baffle ring；9-21, end cap fixing screws；

9-22, rear end cap；9-23, motor shaft；9-24, metal yoke；

9-25, metab；9-26, upper bearing (metal)；9-27, lower bearing；

11-1, two-in-one head cover；11-2, centrifugal reel；11-3, rotor assembly；

11-4, field frame assembly；11-5, radiator shutter；11-6, upper bearing (metal)；

11-7, motor-hollow axle；11-8, lower bearing；11-9, pedestal；

11-10, shock-absorbing foot pad；11-11, rotor assembly lower end；11-12, wiring board；

11-13, drive end bearing bracket；11-14, fixing screws；11-15, rear end cap；

11-16, leakage fluid dram；11-17, top cover connecting structure；11-18, rotary drum connection structure；

11-19, rotor connection structure；11-20, centrifugal liquid collecting chamber；11-21, ventilation opening；

12-1, two-in-one head cover；12-2, top cover connecting structure；12-3, drive end bearing bracket；

12-4, field frame assembly；12-5, rotor assembly；12-6, pedestal；

12-7, rear end cap；12-8, shock-absorbing foot pad；12-9, connection structure；

12-10, fixing screws；12-11, upper bearing (metal)；12-12, centrifugal turntable；

12-13, lower bearing；12-14, centrifugal reel；12-15, centrifugal liquid collecting chamber；

12-16, motor sleeve rotor；12-17, leakage fluid dram；12-18, arc convex.

Specific implementation mode

Embodiment 1

The present embodiment drive system is external rotor electric machine, and detailed structural schematic diagram is shown in attached drawing 6.

As shown in Fig. 6, centrifugal turntable (6-9) and centrifugal reel (6-4) are individual components.Wherein seal centrifugal liquid The separate cap (6-1) of collecting chamber (6-17) is fixed on the chamber of centrifugal liquid collecting chamber by its top cover fixing structure (6-25) At the top of wall (6-3), and locked by door lock (6-26)；Head cover center has charging aperture.Seal the rotary drum head cover (6- of centrifugal reel 27), it is located at the turntable connection structure (6-6) of centrifugal reel (6-4) bottom outside and centrifugal reel ontology is integrally formed manufacture It forms；Centrifugal reel is connected by the turntable connection structure positioned at its bottom outside with the rotary drum on the outside of centrifugal turntable (6-5) Binding structure (6-18), which interconnects, to be fixed；By centrifugal liquid collecting chamber (6-17) collect obtained by centrifugal liquid by its bottom row Liquid mouth (6-24) is discharged and is collected in fluid reservoir and preserves, and connection structure is shown in attached drawing 1-2 and attached drawing 4-1.

As shown in Fig. 6, cooling coil (6-2), pedestal (6-9), centrifugal chamber cavity wall (6-3), drive end bearing bracket (6-13) and electricity Machine stator assembly (6-8) is integrally formed the cavity wall for being constituted centrifugal liquid collecting chamber with plastic packaging material, and bottom center surrounds in receiving The circular cavity of bearing (6-19), lower bearing (6-22) and motor shaft (6-20)；Motor shaft is by being set in the upper axis at its both ends It holds and lower bearing clamping is installed in the circular cavity, and lower bearing inner ring is compressed by rotor bushing (6-23), to realization pair The fixation of motor shaft.

As shown in Fig. 6, the rotor permanent magnet (6-7) for being located at corresponding position on the outside of field frame assembly (6-8) is fixed on In metal yoke (6-21), and metal yoke (6-21) is connect with fixing screws 2 (6-15) with rotor bushing (6-23)；Permanent magnetism Body, metal yoke and rotor bushing are integrally formed with thermosetting resin and are constituted rotor (6-21), side compression in rotor bushing Lower bearing (6-22) inner ring, rotor are connected to the bottom end of motor shaft by fixing screws 3 (6-16) cantilever, and gasket is in fixation Rotor bushing is compressed under the action of screw 3.

As shown in Fig. 6, the centrifugal turntable (6-5) on the gasket (6-12) to play a supportive role passes through fixing screws 1 (6-11) is connected to the axle stretch end of motor shaft.

Embodiment 2

Drive system is external rotor electric machine in the present embodiment, and detailed structural schematic diagram is shown in attached drawing 7.

As shown in Fig. 7, the separate cap (7-1) of sealing centrifugal liquid collecting chamber (7-6) passes through the connection knot on the outside of it Structure 2 (7-3) shows the fixation of head cover (even with the mutually revotating card consolidation of the connection structure 1 (7-2) at the top of centrifugal liquid collecting chamber cavity wall Binding structure is shown in attached drawing 1-1 and attached drawing 4-1)；The head cover center has charging aperture；The rotary drum head cover (7-22) of sealing centrifugal reel passes through Connection structure 3 (7-24) shows consolidating for the head cover with the mutually revotating card consolidation of the connection structure 4 (7-25) on the outside of centrifugal reel (7-5) Fixed (connection structure is shown in attached drawing 1-2 and attached drawing 4-1).

As shown in Fig. 7, cooling coil (7-4), pedestal (7-11), field frame assembly (7-10), rear end cap (7-15) and after End cap radial direction and axially extending section (7-23) are integrally formed the cavity wall for being constituted centrifugal liquid collecting chamber, bottom center with plastic packaging material Surround the circular cavity for accommodating motor shaft (7-18), upper bearing (metal) (7-16), lower bearing (7-17)；Upper and lower bearing be set in The both ends of motor shaft, and motor shaft is installed on aforementioned centrifugal liquid collection by being located at the indoor lower bearing of rear end cap inboard bearing In the circular cavity of chamber bottom center.

As shown in Fig. 7, the axially extending metal yoke (7-8) of tool yoke, permanent magnet (7-9), rotor bushing (7-14) It is integrally formed the rotor constituted with thermosetting resin and motor shaft (7-18) is connected to by fixing screws (7-12) cantilever Axle stretch end, gasket (7-13) compress rotor bushing (7-14) under the action of fixing screws (7-12).

As shown in fig. 7, centrifugal reel (7-5) by rotor connection structure (7-21) positioned at its bottom outside with positioned at electricity Rotary drum connection structure (7-7) on the outside of machine rotor interconnects fixed (connection structure is shown in attached drawing 1-1 and attached drawing 4-1).By centrifuging Centrifugal liquid obtained by liquid collecting chamber is collected is discharged and is collected in fluid reservoir by the leakage fluid dram (7-20) of its bottom and preserved.

Embodiment 3

Drive system is inner rotor motor in the present embodiment, and detailed structural schematic diagram is shown in attached drawing 8.

As shown in Fig. 8, the head cover (8-1) of sealing centrifugal liquid collecting chamber and the connection type of cavity wall are the same as embodiment 2；From Connection type between heart rotary drum and the rotary drum head cover for sealing centrifugal reel is the same as embodiment 2；Seal the top of centrifugal liquid collecting chamber The circular hole in lid center is the charging aperture (8-9) for waiting for centrifugal solid-liquid mixture.

As shown in Fig. 8, cooling coil (8-2), field frame assembly (8-7) and drive end bearing bracket (8-8) with plastic packaging material one at Type constitutes the cavity wall of centrifugal liquid collecting chamber, and bottom center is respectively enclosed to the circle positioned at the circular cavity of inside and positioned at outside Toroidal cavity, the circular cavity of inside are used to accommodate motor shaft (8-17), upper bearing (metal) (8-18), lower bearing (8-15), outside Annular cavity is for accommodating motor internal rotor；Upper and lower bearing is set in the both ends of motor shaft, and motor shaft is by being located at The indoor upper bearing (metal) of drive end bearing bracket (8-8) inboard bearing is installed in the circular cavity of aforementioned centrifugal liquid collecting chamber bottom center, Lower bearing is compressed by rear end cap (8-14) and is protected, and rear end cap then passes through hold-doun nut (8-16) and the fixation on drive end bearing bracket The collective effect realization of screw 2 (8-13) is fixed.

As shown in Fig. 8, the axially extending metal yoke (8-5) of tool yoke, rotor assembly (8-6), rotor bushing (8- 12) rotor constituted is integrally formed with thermosetting resin and motor shaft (8- is connected to by fixing screws 1 (8-10) cantilever 17) axle stretch end, gasket (8-11) compress rotor bushing under the action of fixing screws 1 (8-10).

As shown in Fig. 8, centrifugal reel (8-3) is turned by the rotor connection structure positioned at its bottom outside with positioned at motor The rotary drum connection structure (8-4) in sub- outside interconnects fixed (connection type is with embodiment 2).It is collected by centrifugal liquid collecting chamber Obtained by centrifugal liquid be discharged and be collected in fluid reservoir by the leakage fluid dram (8-19) of its bottom and preserve.

Embodiment 4

The present embodiment drive system is disc type electric machine, and detailed structural schematic diagram is shown in attached drawing 9.

The head cover (9-1) of centrifugal liquid collecting chamber is sealed in the present embodiment and seals the rotary drum separate cap of centrifugal reel (9-11) is respectively individually present.The head cover of sealing centrifugal liquid collecting chamber is fixed on centrifugation by its top cover fixing structure (9-10) At the top of the cavity wall of liquid collecting chamber (9-12), and locked by door lock (9-2)；The rotary drum of sealing centrifugal reel (9-5) independently pushes up Cover (9-11), by connection structure positioned at the outside of top cover with positioned at the top cover connecting structure (9- of centrifugal reel top outer 3) (connection type is with embodiment 1) realizes fixation between the two.

As shown in Fig. 9, cooling coil (9-4), pedestal (9-9), metab (9-25) and it is fixed on the metab The permanent magnet (9-15) of inside is placed in the cavity wall for being integrally formed with plastic packaging material in mold and being constituted centrifugal liquid collecting chamber (9-12)；Ring Shape metab center tool accommodates the circular cavity of upper and lower bearing and motor shaft (9-23), and pedestal is close to its edge tool etc. The circumferential through-hole of spacing；Brush (9-8) is mounted on the inside of metab corresponding with commutator (9-17)；Rear end cap (9-22) is fixed on fixing screws (9-21) on metab, while being compressed lower bearing and being realized the fixation to motor shaft.

As shown in Fig. 9, the metal yoke (9-24) of tool yoke axially extending (9-14), coil (not shown), rotor lining Set (9-18) and commutator (9-17) are integrally formed the rotor (9-7) constituted with thermosetting resin and pass through fixing screws (9- 19) cantilever is connected to the axle stretch end of motor shaft (9-23), and gasket (9-20) compresses rotor under the action of fixing screws (9-19) Bushing；Circle show sealing structure at B in figure：Outside is centrifugal seal, and inside seals for O-ring.

As shown in Fig. 9, centrifugal reel (9-5) by rotor connection structure (9-13) positioned at its bottom inside be located at Rotary drum connection structure (9-6) on the outside of rotor (9-7) interconnects fixed (connection type is with embodiment 1).By centrifugate Centrifugal liquid obtained by body collecting chamber (9-12) is collected is discharged and is collected in fluid reservoir by the leakage fluid dram (9-16) of its bottom and protected It deposits.

Embodiment 5

The present embodiment drive system is disc type electric machine, and detailed structural schematic diagram is shown in attached drawing 10.

As shown in Fig. 10, the overall structure that centrifugal reel (9-5) is integrally formed with metal yoke (9-24), the entirety Structure is integrally formed the motor constituted with rotor bushing (9-18), commutator (9-17) and coil (not shown) with thermosetting resin Rotor (9-7) is connected to the axle stretch end of motor shaft (9-23) by fixing screws (9-19) cantilever, and gasket (9-20) is in fixed spiral shell Rotor bushing is compressed under the action of nail (9-19), rotor bushing lower end then compresses the inner ring of upper bearing (metal).

As shown in Fig. 10, endless metal pedestal (9-25) center tool accommodates upper and lower bearing and motor shaft (9-23) Circular cavity, motor upper bearing (metal) (9-26), lower bearing (9-27) are set in the both ends of motor shaft (9-23) and are installed on this Bearing chamber in circular cavity.

The structure of the present embodiment other parts such as embodiment 4.

Embodiment 6

The present embodiment drive system is sleeve rotor plastic packaging motor, and detailed structural schematic diagram is shown in attached drawing 11.

As shown in Fig. 11, the two-in-one head cover (11-1) of the present embodiment while to seal centrifugal reel (11-2) and motor empty Centrifugal liquid collecting chamber (11-20) in heart rotor；By being located at its outermost connection structure and being located at motor sleeve rotor The top cover connecting structure (11-17) (connection type is shown in attached drawing 1 and attached drawing 4-1) at top, realizes fixation between the two.

As shown in Fig. 11, field frame assembly (11-4), pedestal (11-9) and drive end bearing bracket (11-13) are integrally formed with plastic packaging material Constitute the main part of centrifugal separation system；Drive end bearing bracket (11-13) is located at the lower end of field frame assembly (11-4), pedestal (11-9) Upper end (i.e. positioned there between) which is provided with ventilation opening (11-21)；The inside of field frame assembly, which is constituted, accommodates hollow turn of motor The cylindrical cavity of sub- assembly (11-3).

As shown in Fig. 11, motor-hollow axle (11-7) is by being located at the indoor upper axis of drive end bearing bracket (11-13) inboard bearing It holds (11-6) to be installed in the axis hole in drive end bearing bracket center, and the rear end cap (11-15) by being located on lower bearing (11-8) is realized Fixation to motor-hollow axle, rear end cap edge are fixed in pedestal (11-9) inner wall and further with fixing screws (11- 14) it reinforces, leakage fluid dram (11-16) is connected on the inside of rear end cap.

As shown in Fig. 11, rotor assembly (11-3) is located in the cylindrical cavity on the inside of field frame assembly (11-4), rotor Assembly lower end (11-11) is in funnel-form, and bell mouth is connected to the upper end of motor-hollow axle (11-7), rotor assembly lower end Outside, the position for corresponding to ventilation opening (11-21) are equipped with radiator shutter (11-5)；Wiring board (11-12) is located on the inside of drive end bearing bracket, turns On the outside of sub- assembly lower end in cavity；Centrifugal reel (11-2) passes through rotor connection structure (11-19) on its outer surface With the rotary drum connection structure (11-18) on motor sleeve rotor inner surface interconnect it is fixed (connection type see attached drawing 1 and Attached drawing 4-1).

Centrifugal liquid is flowed through along direction shown in arrow obtained by being collected by the centrifugal liquid collecting chamber (11-20) of sleeve rotor After hollow shaft, it is discharged from the leakage fluid dram (11-16) of hollow shaft lower end and is collected in preservation in fluid reservoir.

Embodiment 7

The present embodiment drive system is sleeve rotor plastic packaging motor, and detailed structural schematic diagram is shown in attached drawing 12.

As shown in Fig. 12, it the two-in-one head cover (12-1) of the present embodiment while sealing in centrifugal reel and sleeve rotor Centrifugal liquid collecting chamber；By being located at its outermost connection structure (12-9) and being located at the top of motor sleeve rotor (12-16) Top cover connecting structure (12-2) (connection type is shown in attached drawing 1 and attached drawing 4-1), realize fixation between the two.

As shown in Fig. 12, field frame assembly (12-4), pedestal (12-6) and rear end cap (12-7) are integrally formed with plastic packaging material It constitutes the main part of centrifugal separation system and surrounds the cylinder for accommodating motor sleeve rotor (12-16) on the inside of field frame assembly Shape cavity；Motor sleeve rotor (12-16) is installed on rear end by being located at the indoor lower bearing of rear end cap inboard bearing (12-13) In the axis hole of lid, and the drive end bearing bracket (12-3) by being located on upper bearing (metal) (12-11) realizes the fixation to motor-hollow axle, front end Lid compresses upper bearing (metal) and is fixed on plastic packaged motor stator upper end with fixing screws, and rear end cap radially extends to center and wherein The cylinder-like structure that centre end is turned up and extended into an axial direction constitutes exit passageway-leakage fluid dram (12-17) of centrifugal liquid.

As shown in Fig. 12, rotor assembly (12-5), metallic supports (not shown), tool centrifugal reel installation through-hole from Heart turntable (12-12) is constituted motor sleeve rotor (12-16) with plastic packaging material integrated molding；In the outside of centrifugal reel installation through-hole Also there is the through-hole to circulate for centrifugal liquid；Centrifugal reel (12-14) passes through the arc convex on its bottom outer surface (12-18) is interconnected fixed (connection type is shown in attached drawing 1 and Fig. 4-3) with the through-hole on centrifugal turntable (12-12).

Centrifugal liquid is along arrow institute obtained by being collected by the centrifugal liquid collecting chamber (12-15) in motor sleeve rotor After showing that direction flows through rear end cap, it is discharged from the leakage fluid dram (12-17) positioned at rear end cap center and is collected in preservation in fluid reservoir.

Embodiment 8

Drive system is external rotor electric machine in the present embodiment, and centrifugal reel passes through the rotor connection positioned at its bottom outside Structure interconnects fixed (connection structure is shown in attached drawing 1 and attached drawing 4-3) with the rotary drum connection structure on rotor, other Partial structure such as embodiment 2.

Above-mentioned is that this can be understood and applied for the ease of those skilled in the art to the description of embodiment Invention.Person skilled in the art obviously can easily to these embodiments, various modification can be adapted, and illustrating herein General Principle be applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to realities here Example is applied, those skilled in the art's announcement according to the present invention, any improvement made for the present invention and modification all should be at these Within the protection domain of invention.

Claims (10)

1. a kind of direct-drive type centrifugal separation equipment, which is characterized in that the direct-drive type centrifugal separation equipment includes：With centrifugal turntable Combine together and the rotor being combined into one and centrifugal reel or centrifugal rotor as individual components；Or including

The rotor and motor stator for combining together and being combined into one with centrifugal turntable；

Wherein it is described execute solid-liquid centrifuge task centrifugal reel include：

Fixed connection structure B, the fixed connection structure B are with the fixed connection structure A interactions on rotor to real Unlock after existing locking and centrifugation between centrifugal reel and rotor in centrifugation, and so that centrifugation is turned in locking Drum is with the synchronized coaxial rotating of rotor；

Prevent the center that target substance is overflowed from centrifugal reel ontology front end from having the centrifugal reel head cover of charging aperture；

The centrifugal reel ontology of solid-liquid separation function is executed, cylindric peripheral wall has perforative filter opening；

The centrifugal reel bottom for preventing target substance from being overflowed from centrifugal reel ontology rear end；

Wherein it is described execute solid-liquid centrifuge task centrifugal rotor include：

Fixed connection structure B, the fixed connection structure B are with the fixed connection structure A interactions on rotor to real Unlock after existing locking and centrifugation between centrifugal rotor and rotor in centrifugation, and so that centrifugation is turned in locking Son is with the synchronized coaxial rotating of rotor；

Centrifugal rotor ontology provides the centrifugation pore carrier of fixed centrifuge tube；

Centrifugation pore on centrifugal rotor ontology；

The centrifuge tube of suitable configurations；

The wherein described driving centrifugal reel or the rotor of centrifugal rotor execution solid-liquid centrifugation task include：

Fixed connection structure A, the fixed connection structure A and the fixed connection structure B on centrifugal reel or centrifugal rotor is mutual Act on to realize between rotor and centrifugal reel or centrifugal rotor centrifugation when locking and centrifugation after solution Lock, and make centrifugal reel or centrifugal rotor and the synchronized coaxial rotating of rotor in locking；

Rotor assembly, the rotor assembly are made by the rotary force that the electromagnetic interaction between the field frame assembly being adapted to generates Rotor rotates around motor shaft centre line；

Spacer portion undertakes the contact intermediary of rotor assembly support portion and centrifugal reel or centrifugal rotor and controls in centrifugation shape The flow direction of the target substance of state and its each constituent；

Carry the rotor assembly support portion of rotor assembly；

The wherein described rotor assembly is located at rotor assembly support portion corresponding with field frame assembly or spacer portion across motor gas-gap, The position of the rotor assembly is determined by the flux structure of driving motor；

Position where the motor gas-gap port of annular groove side can be led to described in wherein is recessed higher than the annular of tool leakage fluid dram The bottom interior surface of slot；

The wherein described gap being connected with motor gas-gap, the gap are close in any one position for leading to annular groove side Envelope, the sealing make target substance be isolated with the motor gas-gap.

2. direct-drive type centrifugal separation equipment according to claim 1, which is characterized in that described for collecting and guiding liquid The centrifugal liquid collecting chamber of flow direction includes：

Head cover at least has the channel in centrifugal material introducing rotating centrifugal unit centrifugation area and closes centrifugal liquid collection Chamber cavity wall top is to prevent centrifugal material from escaping from its top；

Centrifugal liquid collecting chamber cavity wall, the centrifugal liquid collecting chamber cavity wall is for collecting and guiding liquid material ingredient to flow to position In the annular groove of base portion；

Centrifugal liquid collecting chamber cavity, the centrifugal liquid collecting chamber cavity are head cover, centrifugal liquid collecting chamber cavity wall and base The internal cavities that portions are surrounded；

Base portion, the bottom end of the base portion closing centrifugal liquid collecting chamber cavity wall, the base portion include：

Positioned at innermost bearing block, the bearing chamber part in the bearing block is equipped with bearing, the bearing support rotate from The rotary shaft of heart unit；

The annular groove to connect positioned at outermost and the cavity wall of centrifugal liquid collecting chamber and the row communicated with annular groove bottom Liquid mouth, the annular groove is for collecting liquid material ingredient, and the leakage fluid dram positioned at annular groove bottom is for limiting liquid The outflow direction of body material component, the bottom interior surface of the annular groove lead to the end of annular groove side less than motor gas-gap Position where mouthful；

Motor stator area, the motor stator area provide the resettlement area of motor stator；

Rotor Rotary District, the rotor Rotary District provide Rotary District of the rotating centrifugal unit in the case where centrifuging operating condition Parking area under domain and halted state；

The wherein described gap being connected with motor gas-gap, the gap are close in any one position for leading to annular groove side Envelope, the sealing make target substance be isolated with the motor gas-gap；

Relative position between the wherein described motor stator area and rotor Rotary District is by between motor stator and rotor Flux structure determine.

3. direct-drive type centrifugal separation equipment according to claim 2, which is characterized in that described by plastic packaging stator assembly Integrally formed motor stator is fixed in the motor stator area of centrifugal liquid collecting chamber base portion or the position in motor stator area Setting makes field frame assembly be molded with base portion one plastic packaging, and the motor stator includes：

Field frame assembly compatible with rotor assembly, the field frame assembly can be produced with rotor assembly by electromagnetic interaction composition The electric machine of raw rotary motion is to drive rotating centrifugal unit to be rotated around motor shaft centre line, and the field frame assembly is across air gap Positioned at the base portion of centrifugal liquid collecting chamber corresponding with rotor assembly；

Supporter is rotated, the rotation supporter includes motor shaft, bearing chamber and bearing, the rotation supporter position In the bearing block center of centrifugal liquid collecting chamber base portion；

Field frame assembly support portion carries field frame assembly and constitutes the motor stator of tool complete structure and function with field frame assembly；

The wherein described plastic package structure part cooperates with the sealing in motor gap and makes to be electrically insulated between motor and target substance jointly Ground is isolated.

4. direct-drive type centrifugal separation equipment according to claim 1, it is characterised in that：The execution solid- liquid separation task Centrifugal reel diameter with its be used to centrifuge the ratio between effective height of solidliquid mixture be 2~10.

5. direct-drive type centrifugal separation equipment according to claim 1, it is characterised in that：The rotor is outer rotor, When driving motor is positioned partially or entirely in the bottom inside center of centrifugal liquid collecting chamber, electric motor end cap, pedestal, metab Or field frame assembly is integrally formed the cavity wall for being constituted centrifugal liquid collecting chamber with thermosetting property or thermoplastic；Motor outer rotor cantilever Be connected to motor-shaft extending end, thereon, lower bearing be located at be integrally formed centrifugal liquid collecting chamber bottom by field frame assembly, end cap, modeling In the bearing chamber for the central cavity that envelope material and pedestal are surrounded, or in the bearing chamber in metab center；

It is close selected from centrifugal seal, labyrinth between the motor outer rotor open end and centrifugal liquid collecting chamber bottom or motor stator Any or between both or three compound sealing structure in envelope, helixseal.

6. direct-drive type centrifugal separation equipment according to claim 1, it is characterised in that：The rotor is internal rotor When, cover entire rotor rim upper surface and wrapping portion as the discoid metal component of enhancing component and internal rotor magnetic loop Or whole stator yokes；Discoid metal component, rotor rim and connection structure are with thermosetting property or thermoplastic entirety plastic packaging The rotor cantilever for being molded and constituting is connected to motor-shaft extending end；The upper and lower bearing of rotor, which is located at, is integrally formed centrifugate In the bearing chamber for the central cavity that body collecting chamber bottom is surrounded by end cap or metal base with plastic packaging material, rotor is located at fixed In the annular cavity that sub- assembly is surrounded with plastic packaging material；

It is close selected from centrifugal seal, labyrinth between motor internal rotor upper end and centrifugal liquid collecting chamber bottom or motor stator The sealing structure combined between any or both or three in envelope, helixseal.

7. direct-drive type centrifugal separation equipment according to claim 1, it is characterised in that：The rotor is disc type electric machine When rotor, the rotor any, disc type in stator under upper rotor part or intermediate stator both sides rotor disc type motor Motor is located fully or partially at the bottom inside for being integrally formed centrifugal liquid collecting chamber, and upper rotor part diameter is more than stator diameter；Make Entire rotor rim upper surface simultaneously wrapping portion or whole stator yokes are covered for the discoid metal component of upper rotor part magnetic loop； The motor that discoid metal component, rotor rim and connection structure are constituted with thermosetting property or the molding of thermoplastic entirety plastic packaging Rotor cantilever is connected to motor-shaft extending end；The upper and lower bearing of rotor is located at field frame assembly and is enclosed with plastic packaging material or metab At central cavity bearing chamber in；

It is close selected from centrifugal seal, labyrinth between motor upper rotor part open end and centrifugal liquid collecting chamber bottom or motor stator The sealing structure combined between any or both or three in envelope, helixseal.

8. direct-drive type centrifugal separation equipment according to claim 2, it is characterised in that：The direct-drive type centrifugal separation equipment Centrifugal liquid collecting chamber include structure division described in following (I) and (II)：

(I) punch forming or other manufacturing process are molding as centrifugal liquid collecting chamber enhancing structure and/or electric machine structure Metallic moiety；

(II) make centrifugal liquid collecting chamber possess complete structure and function by plastics or resin molded molding plastic package structure portion Point；

Each metal structure plastic packaging is connected as tool complete structure and work(by the wherein described plastics or resin by way of being molded Can centrifugal liquid collecting chamber or simultaneously by each metal structure and the field frame assembly plastic packaging into a single integrated structure with base portion to It is configured to the centrifugal liquid collecting chamber for having complete structure and function；

The wherein described plastic package structure part cooperates with the sealing in motor gap and makes to be electrically insulated between motor and target substance jointly Ground is isolated；

The wherein described structure for sealing the gap being connected with motor gas-gap is by plastics or resin molded molding centrifugate It is formed during body collecting chamber.

9. any direct-drive type centrifugal separation equipment according to claims 1 to 8, it is characterised in that：The driving centrifugation Rotary drum or the rotor of centrifugal rotor execution solid-liquid centrifugation task include：

Rotor assembly；And (I) and (II) or the only structure division described in (II) as follows：

(I) punch forming or the molding metallic moiety as rotor enhancing structure of other manufacturing process；

(II) make rotor possess complete structure and function by plastics or resin molded molding plastic package structure part；

The wherein described plastics or resin rotor assembly and metallic moiety described in plastic packaging or only by way of being molded Only plastic package rotor assembly is to constitute some or all of rotor assembly support portion and/or spacer portion.

10. direct-drive type centrifugal separation equipment according to claim 3, it is characterised in that：The driving centrifugal reel or from Heart rotor execute solid-liquid centrifuge task motor stator include：

Field frame assembly；And (I) and (II) or the only structure division described in (II) as follows：

(I) punch forming or the molding metallic moiety as motor stator structure of other manufacturing process；

(II) make motor stator possess complete structure and function by plastics or resin molded molding plastic package structure part；

The wherein described plastics or resin field frame assembly and metallic moiety described in plastic packaging or only by way of being molded Only plastic packaging stator assembly is to constitute some or all of field frame assembly support portion or centrifugal liquid collecting chamber.