CN108328233A - A kind of screw feeding device that rimless combination type permanent-magnet linear synchronous motor directly drives - Google Patents
A kind of screw feeding device that rimless combination type permanent-magnet linear synchronous motor directly drives Download PDFInfo
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- CN108328233A CN108328233A CN201810094584.1A CN201810094584A CN108328233A CN 108328233 A CN108328233 A CN 108328233A CN 201810094584 A CN201810094584 A CN 201810094584A CN 108328233 A CN108328233 A CN 108328233A
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- 239000007921 spray Substances 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 6
- 230000005284 excitation Effects 0.000 claims abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 37
- 241000883990 Flabellum Species 0.000 claims description 31
- 229910000831 Steel Inorganic materials 0.000 claims description 26
- 239000010959 steel Substances 0.000 claims description 26
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- 239000000463 material Substances 0.000 claims description 17
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- 230000005540 biological transmission Effects 0.000 abstract description 7
- 230000035611 feeding Effects 0.000 description 29
- 239000002994 raw material Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
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- 229910002804 graphite Inorganic materials 0.000 description 2
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/34—Applications of driving gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/12—Sieving bulk materials during loading or unloading
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Linear Motors (AREA)
Abstract
The present invention discloses a kind of screw feeding device that rimless combination type permanent-magnet linear synchronous motor directly drives, feeding chamber, screw shaft, bearing including rack, in the rack, the helical blade on the screw shaft and rimless combination type permanent-magnet linear synchronous motor, the rimless combination type permanent-magnet linear synchronous motor includes stator module and rotor assembly；The stator module is fixedly installed in the rack, and rotating excitation field is provided for the rotor assembly；The rotor assembly with magnetic property is fixedly installed on the screw shaft, wherein the stator module is full-circle spray pattern or non-full-circle spray pattern structure, and the stator module is made of several stator units in sector structure；The stator unit is independent control mechanism；The stator unit includes stator core and the stator winding that is wrapped on the stator core.The present invention drives the screw shaft to rotate by the rimless combination type permanent-magnet linear synchronous motor, has the advantages that transmission efficiency, low noise, torque are big.
Description
Technical field
The invention belongs to field of mechanical technique, and in particular to a kind of spiral shell that rimless combination type permanent-magnet linear synchronous motor directly drives
Lever material feeder.
Background technology
Screw feeding is a kind of continuous conveying equipment without immunity driving component, it will be conveyed using the spiral of rotation
Material along fixed casing for surface passage carry out transportation work, not revolvable nut edge is handled when situation seems
Lead screw does that translational motion is the same, and it is the friction of the gravity and casing of material to material to make the strength that material does not rotate together with spiral
Resistance.Feed screw has been widely used in various industrial departments, as building materials, electric power, chemical industry, metallurgy, coal mine, machinery,
Grain and food service industry etc..
Chinese CN206842362U patents disclose a kind of premixed powder spiral feeder, including rack, plane
Platform, weighing sensor, babinet, motor, screw shaft, hollow shaft, seal receptacle, blowpipe, helical runner, feeding mouth, blanking mouth, control
Device enters raw material and modifying agent in babinet through feeding mouth, and controller controls motor and is connected with hollow shaft by screw shaft drive
Helical runner rotation, to by raw material and modifying agent continuous conveying, meanwhile, compressed air is pumped into hollow shaft through blowpipe,
So that raw material and modifying agent be blown afloat so that raw material is mixed with powder, and raw material while mixing is byed spiral with modifying agent
Impeller propelled moves forward, and is discharged until through blanking mouth, and weighing sensor exports to accurately control raw material with modifying agent for weighing
Amount.The apparatus structure is simple, and raw material is byed that helical runner pushes Forward while mixing with modifying agent so that raw material and modifying agent
It mixes in advance, shortens successive modified incorporation time, improve modification efficiency.The spiral feeder is only applicable to the object of horizontal direction
Material transmission, narrow scope of application.
The screw feeding device for the inflation film manufacturing machine system that Chinese CN106273392A patents propose, including rack, feed cylinder,
Second motor；Feed cylinder and the second motor are arranged in rack, and feed cylinder is equipped with discharge port, and electricity is equipped in the discharge port
Valve is controlled, feeding spiro rod is equipped in feed cylinder, for feeding spiro rod by the second motor-driven rotation, feed cylinder periphery is additionally provided with auxiliary heating
Mechanism, the auxiliary heating mechanism include muff and auxiliary heater, and muff is socketed in feed cylinder periphery, and and feed cylinder
Between be formed with heating chamber, auxiliary heater is located in the heating chamber.The present invention can effectively ensure pushing away for plastic raw materials
Effect is sent and squeezed out, enterprise's continuous production is suitble to.The screw feeding device by variable-frequency motor drive in a manner of, failure rate
It is high.
Dust, noise are larger during used screw feeding device use on the market at present, influence the use of motor；
In addition, most of screw feeding devices are using the main type of drive driven with hydraulic motor Assisted Combinatorial of double-speed motor at present
Or variable-frequency motor type of drive, there are problems that being unable to continuous speed adjustment, geological adaptability difference etc..Therefore, it is badly in need of design one
The screw feeding device that the rimless combination type permanent-magnet linear synchronous motor of kind directly drives is to solve the above problems.
Invention content
In response to the problems existing in the prior art, the purpose of the present invention is to provide a kind of rimless combination type permanent-magnet synchronous linear electricity
The screw feeding device that machine directly drives drives the screw shaft to rotate, tool by the rimless combination type permanent-magnet linear synchronous motor
Have the advantages that transmission efficiency, low noise, torque are big.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of screw feeding device that rimless combination type permanent-magnet linear synchronous motor directly drives, including rack, be mounted on it is described
Feeding chamber, screw shaft, bearing in rack, the helical blade on the screw shaft and rimless combination type permanent-magnet synchronizing direct
Line motor, the screw shaft run through the feeding chamber, by the bearing be mounted on the rack on, the screw shaft with it is described
Feeding chamber is rotatablely connected；The screw shaft is directly driven by the rimless combination type permanent-magnet linear synchronous motor；Described rimless group
Box-like permanent magnetic linear synchronous motor includes stator module and rotor assembly；The stator module is fixedly installed in the rack,
Rotating excitation field is provided for the rotor assembly；The rotor assembly with magnetic property is fixedly installed on the screw shaft,
Wherein, the stator module is full-circle spray pattern or non-full-circle spray pattern structure, and the stator module is by several in fan-shaped knot
The stator unit of structure forms；The stator unit is independent control mechanism；The stator unit includes stator core and twines
The stator winding being wound on the stator core.
A kind of driving electricity of the present invention using rimless combination type permanent-magnet linear synchronous motor as the screw feeding device
Machine, rotor is directly with the screw rod axis connection, and motor stator is looped around around rotor, is fixed on the rack, to reduce
Gear, reduction box etc. drive intermediate link, simplify type of drive and structure, improve drive efficiency, realize the straight of the screw shaft
It drives；Meanwhile the type of drive of motor can be selected as needed, frequency control or SERVO CONTROL are realized, to meet to type of drive
Flexible selection, improve the performance reliable for operation of machine, reduce manufacturing cost and use cost, reduce the loss of the energy.
Preferably, the screw shaft is equipped with the flabellum one positioned at the screw shaft and rotor assembly junction both ends
With flabellum two, the flabellum one, flabellum two direction blade on the contrary, being respectively equipped in the rotor pedestal and stator base and institute
State flabellum one, two matched trepanning of flabellum.It is offered on the rotor pedestal and the flabellum one, flabellum two is matched opens
Hole, offer in the stator base with the matched air inlet of trepanning and air outlet on the rotor pedestal, when the screw rod
When axis rotates under the drive of the rimless combination type permanent-magnet linear synchronous motor, the flabellum one is with flabellum two with the screw rod
Shaft rotation moves exhausting, and the flabellum one is reversed with two direction blade of flabellum, realizes wind cycle, it is same to increase rimless combination type permanent-magnet
The air circulation of linear motor is walked, heat dissipation is accelerated.
Preferably, the rimless combination type permanent-magnet linear synchronous motor outer sheath, which is equipped with, is used for dust-proof motor cover.It is described
Screw feeding device is for a long time using that can cause have a large amount of dust accretions to influence motor use at motor, by described rimless group
It is arranged motor cover on the outside of box-like permanent magnetic linear synchronous motor, dust is can effectively prevent and enters motor, ensure the rimless combined type
The normal use of permanent magnetic linear synchronous motor.
Preferably, the feeding chamber includes feed inlet and the sieve in the feed inlet.At the feed inlet
The sieve is set, the various sizes of sieve is replaced according to the requirement of the material of required transmission, is transmitted to control
The size dimension of material improves the working performance of the screw transporter.
Preferably, the rotor assembly includes rotor pedestal and magnet steel substrate, and the rotor pedestal is fixedly installed in described
On screw shaft, the magnet steel substrate is distributed in around the screw shaft axial line on the rotor pedestal.The rotor pedestal can be with
An installation form is provided for magnet steel substrate, in assembling, the rotor pedestal can assemble completion in advance with magnet steel substrate, make
Enter the installation procedure of next step for an entirety, it is easy for installation, installation effectiveness is improved, is omitted prevented also from scattered component,
The problem of bad management.
It is further preferred that the cylinder structure of screw rod shaft end；The rotor pedestal is circular column；The annular
Column is fixedly installed in the screw rod shaft end；The magnet steel substrate is distributed in side wall and/or the end face of the annulus column.In spiral shell
Bar axis radially and/or axially provides turning moment to the screw shaft, increases the turning moment of the screw shaft.
Preferably, the circular column side wall is double-layer structure.On the one hand the design of the double-layer structure alleviates described turn
The weight of sub-base improves the utilization rate of energy, on the other hand can save material, and increasing heat radiation area ensures equipment fortune
The stability turned.
Preferably, the stator module further includes having stator base；The stator base is fixedly installed in the rack；
The stator core is fixedly installed in the stator base.The stator base can provide an installation mould for stator core
Plate, in assembling, the stator base can assemble completion in advance with stator core, enter the peace of next step as a whole
Process is filled, it is easy for installation, installation effectiveness is improved, is omitted prevented also from scattered component, the various bad management of parts is solved
Problem.
It is further preferred that the stator base is equipped with open-celled structure, Heat Conduction Material is filled in the open-celled structure.
Trepanning is set in the stator base, the heat dissipation performance of the rimless combination type permanent-magnet linear synchronous motor can be improved,
The tapping fills the Heat Conduction Material, further increases heat dissipation performance, while ensureing that the rimless combination type permanent-magnet synchronizes
The shape of the globality and leakproofness of linear motor, the open-celled structure can be according to the rimless combination type permanent-magnet synchronous linear electricity
Size, shape and the position of installation of machine are selected, such as round, rectangular or other irregular figures.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention directly drives the screw shaft rotation using rimless combination type permanent-magnet linear synchronous motor, reduces
The intermediate links such as gear, reduction box simplify type of drive, improve drive efficiency；
(2) rimless combination type permanent-magnet linear synchronous motor of the present invention has fast response time, high excellent of control accuracy
Point can select the type of drive of motor as needed, realize frequency control or SERVO CONTROL, to meet to the flexible of type of drive
Selection, while powerful energy output can be provided；
(3) present invention is equipped with the flabellum one and flabellum two in the junction of the screw shaft and rotor assembly, when described
When screw shaft rotates under the drive of the rimless combination type permanent-magnet linear synchronous motor, the flabellum one is followed with the formation of flabellum two
Ring wind accelerates the rimless combination type permanent-magnet linear synchronous motor heat dissipation；
(4) present invention sets up defences dust hood in the rimless combination type permanent-magnet linear synchronous motor outer sheath, prevents described rimless
Combination type permanent-magnet linear synchronous motor accumulates dust；
(5) present invention selects the sieve by the way that sieve is arranged at the feed inlet according to by the requirement of transmission material
Size improves the working performance of the screw feeding device to control the quality of the transmission material；
(6) open-celled structure is arranged in the present invention in the stator base, and fills Heat Conduction Material in the open-celled structure,
Both globality and leakproofness that rapid cooling also assures the rimless combination type permanent-magnet linear synchronous motor had been played the role of.
Description of the drawings
Fig. 1 is a kind of structure for the screw feeding device that rimless combination type permanent-magnet linear synchronous motor directly drives of the present invention
Schematic diagram；
Fig. 2 is the structural schematic diagram of rimless combination type permanent-magnet linear synchronous motor described in the embodiment of the present invention 1；
Fig. 3 is the structural schematic diagram of stator unit one of the present invention；
Fig. 4 is the structural schematic diagram of rimless combination type permanent-magnet linear synchronous motor described in the embodiment of the present invention 2；
Fig. 5 is the structural schematic diagram of rimless combination type permanent-magnet linear synchronous motor described in the embodiment of the present invention 3；
In figure：1, feeding chamber；2, rack；3, screw shaft；4, bearing；5, rimless combination type permanent-magnet linear synchronous motor；6、
Rotor assembly；61, rotor pedestal；62, magnet steel substrate one；63, magnet steel substrate two；7, stator module；71, stator base；72, fixed
Subelement one；73, stator unit two；8, motor cover；9, feed inlet；10, sieve；11, flabellum one；12, flabellum two.
Specific implementation mode
Below in conjunction with the attached drawing in the present invention, technical scheme of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, all other embodiment that those of ordinary skill in the art are obtained under the conditions of not making creative work belong to
The scope of protection of the invention.
Embodiment 1
As shown in Figure 1, 2, the present embodiment provides a kind of screw feedings that rimless combination type permanent-magnet linear synchronous motor directly drives
Device, including rack 2, the feeding chamber 1 in the rack 2, screw shaft 3, bearing 4, on the screw shaft 3
Helical blade and rimless combination type permanent-magnet linear synchronous motor 5, the screw shaft 3 run through the feeding chamber 1, pass through the bearing
4 are mounted in the rack 2, and the screw shaft 3 is rotatablely connected with the feeding chamber 1；The screw shaft 3 is by the rimless combination
Formula permanent magnetic linear synchronous motor 5 directly drives；The rimless combination type permanent-magnet linear synchronous motor 5 includes stator module 7 and turns
Sub-component 6；The stator module 7 is fixedly installed in the rack 2, and rotating excitation field is provided for the rotor assembly 6；With forever
The rotor assembly 6 of magnetic characteristic is fixedly installed on the screw shaft 3,
Wherein, the stator module 7 is non-full-circle spray pattern structure, and the stator module 7 is by six groups in fan-shaped arc structure
Stator unit 1 form；The stator unit 1 is independent control mechanism；The stator unit 1 includes fixed
Sub- iron core and the stator winding being wrapped on the stator core.
As the preferred of the present embodiment, the screw shaft 3, which is equipped with, is located at the screw shaft 3 and the company of the rotor assembly 6
Connect place both ends flabellum 1 and flabellum 2 12, the flabellum 1, flabellum 2 12 direction blade on the contrary, the rotor pedestal
61 with stator base 71 on be respectively equipped with and the flabellum 1,2 12 matched trepanning of flabellum；The rimless combined type is forever
5 outer sheath of magnetic-synchro linear motor, which is equipped with, is used for dust-proof motor cover 8；The rotor assembly 6 includes rotor pedestal 61 and magnet steel
Substrate 1, the rotor pedestal 61 are fixedly installed on the screw shaft 3, and the magnet steel substrate 1 is around the screw shaft 3
Axial line is distributed on the rotor pedestal 61；The cylinder structure in 3 end of the screw shaft；The rotor pedestal 61 is annular
Column；The rotor pedestal 61 is fixedly installed in 3 end of the screw shaft；Magnet steel substrate 1 described in arc is distributed in the annular
The side wall of column；The circular column side wall is double-layer structure；The stator module 7 further includes having stator base 71；The stator base
Seat 71 is fixedly installed in the rack 2；The arcuate stator unit is fixedly installed in the stator base 71；The stator
Pedestal 71 is equipped with round hole structure, and graphite is filled in the round hole structure.
After energization, the arcuate stator unit is that magnet steel substrate 1 described in arc provides the magnetic radially rotated
, it is that the screw shaft 3 provides the power rotated around 3 axial line of the screw shaft to promote the stator module 7 and rotor assembly 6
Square directly drives 3 rotary work of the screw shaft；The flabellum 1, flabellum 2 12 rotate under the drive of the screw shaft 3
Circulated air is formed, the rate of heat dispation of the rimless combination type permanent-magnet linear synchronous motor 5 is accelerated；Simultaneously in the rimless combined type
Motor cover 8 is arranged in 5 outside of permanent magnetic linear synchronous motor, avoids dust from entering motor, influences the use of motor；In the stator base
The round hole is opened up on seat 71, preferable cooling effect, the square structure face of the more identical length of side of circular configuration can be played
Product bigger, heat dissipation effect is more preferable, the filled graphite in the open-celled structure, further speeds up hot transmission, improves heat dissipation performance, and
Cost is relatively low.
Embodiment 2
As shown in figure 4, the present embodiment provides a kind of screw feeding that rimless combination type permanent-magnet linear synchronous motor directly drives dresses
It sets, compared with Example 1, the difference is that, the stator module 7 is non-full-circle spray pattern structure, and the stator module 7 is by six
Group is formed in the stator unit 2 73 of fan-shaped disk-like structure；The stator unit 2 73 is independent control mechanism；The stator
Unit 2 73 includes stator core and the stator winding that is wrapped on the stator core；The feeding chamber 1 includes feed inlet 9
And the sieve 10 in the feed inlet 9.
As the preferred of the present embodiment, the rotor assembly 6 includes rotor pedestal 61 and dish type magnet steel substrate 2 63, described
Rotor pedestal 61 is fixedly installed on the screw shaft 3, and the dish type magnet steel substrate 2 63 is uniformly distributed around 3 axial line of the screw shaft
In on the rotor pedestal 61；The cylinder structure in 3 end of the screw shaft；The rotor pedestal 61 is that end face is equipped with sealing plate
Circular column；The rotor pedestal 61 is fixedly installed in 3 end of the screw shaft；The dish type magnet steel substrate 2 63 is distributed in institute
State the end face of circular column；The circular column side wall is double-layer structure, and the stator module 7 further includes having stator base 71；It is described
Stator base 71 is fixedly installed in the rack 2；The dish type stator unit is fixedly installed in the stator base 71；Institute
It states stator base 71 and is equipped with bar shaped open-celled structure, heat conductive silica gel is filled in the bar shaped open-celled structure.
After energization, the dish type stator unit is that the dish type magnet steel substrate 2 63 provides the magnetic that an axis rotates up
, it is that the screw shaft 3 provides the power rotated around 3 axial line of the screw shaft to promote the stator module 7 and rotor assembly 6
Square directly drives 3 rotary work of the screw shaft；The sieve 10 is set at the feed inlet 9, and according to transmitted material
Requirement replace the size of the sieve 10, control material quality；Bar shaped open-celled structure is offered in the stator base 71 to rise
To cooling effect, trepanning can be selected according to the specific works state of rimless combination type permanent-magnet linear synchronous motor 5 of the present invention
Shape, and fill heat conductive silica gel in the open-celled structure, further increase rate of heat dispation, and ensure the rimless combined type
The globality and seal of permanent magnetic linear synchronous motor 5.
Embodiment 3
As shown in figure 5, the present embodiment provides a kind of screw feeding that rimless combination type permanent-magnet linear synchronous motor directly drives dresses
It sets, compared with Example 1, the difference is that, wherein the stator module 7 is non-full-circle spray pattern structure, the stator module
7 are formed by six groups in the stator unit 1 and six groups of stator units 2 73 in fan-shaped disk-like structure of fan-shaped arc structure；Institute
The stator unit 1 and stator unit 2 73 stated are independent control mechanism；The stator unit 1 and stator unit 2 73
The stator winding for including respectively stator core and being wrapped on the stator core.
As the preferred of the present embodiment, the rotor assembly 6 includes rotor pedestal 61, arc magnet steel substrate 1 and dish type
Magnet steel substrate 2 63, the rotor pedestal 61 are fixedly installed on the screw shaft 3, magnet steel substrate 1 and dish type described in arc
Magnet steel substrate 2 63 is distributed in around 3 axial line of the screw shaft on the rotor pedestal 61；3 end of the screw shaft is cylinder
Structure；The rotor pedestal 61 is circular column；The rotor pedestal 61 is fixedly installed in 3 end of the screw shaft；Described in arc
Magnet steel substrate 1 is distributed in the lateral wall of the circular column, and magnet steel substrate 2 63 described in dish type is distributed in the end of the circular column
Face；The circular column side wall is double-layer structure；The stator module 7 further includes having stator base 71；The stator base 71 is solid
Dingan County is loaded in the rack 2；Stator unit 1 and dish type stator unit 2 73 are fixedly installed in the stator described in arc
On pedestal 71.
After energization, the dish type stator unit 2 73 provides an axis for magnet steel substrate 2 63 described in dish type and rotates up
Magnetic field；The arcuate stator unit 1 is that magnet steel substrate 1 described in arc provides the magnetic field radially rotated,
It is that the screw shaft 3 provides the power rotated around 3 axial line of the screw shaft to promote the stator module 7 and rotor assembly 6 jointly
Square directly drives 3 rotary work of the screw shaft.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of screw feeding device that rimless combination type permanent-magnet linear synchronous motor directly drives, including rack (2), be mounted on it is described
Feeding chamber (1), screw shaft (3), bearing (4) in rack (2), the helical blade being mounted on the screw shaft (3) and rimless
Combination type permanent-magnet linear synchronous motor (5), which is characterized in that the screw shaft (3) runs through the feeding chamber (1), by described
Bearing (4) is mounted in the rack (2), and the screw shaft (3) is rotatablely connected with the feeding chamber (1)；The screw shaft (3)
It is directly driven by the rimless combination type permanent-magnet linear synchronous motor (5)；The rimless combination type permanent-magnet linear synchronous motor (5)
Including stator module (7) and rotor assembly (6)；The stator module (7) is fixedly installed in the rack (2), turns to be described
Sub-component (6) provides rotating excitation field；The rotor assembly (6) with magnetic property is fixedly installed on the screw shaft (3),
Wherein, the stator module (7) is full-circle spray pattern or non-full-circle spray pattern structure, and the stator module (7) is by several in sector
The stator unit of structure forms；The stator unit is independent control mechanism；The stator unit include stator core and
The stator winding being wrapped on the stator core.
2. the screw feeding device that a kind of rimless combination type permanent-magnet linear synchronous motor according to claim 1 directly drives,
It is characterized in that, the screw shaft (3) is equipped with the fan positioned at the screw shaft (3) and the rotor assembly (6) junction both ends
Leaf one (11) and flabellum two (12), the flabellum one (11), flabellum two (12) direction blade on the contrary, the rotor pedestal (61)
Be respectively equipped in stator base (71) and the flabellum one (11), the matched trepanning of flabellum two (12).
3. the screw feeding device that a kind of rimless combination type permanent-magnet linear synchronous motor according to claim 1 directly drives,
It is characterized in that, rimless combination type permanent-magnet linear synchronous motor (5) outer sheath, which is equipped with, is used for dust-proof motor cover (8).
4. the screw feeding device that a kind of rimless combination type permanent-magnet linear synchronous motor (5) according to claim 1 is directly driven,
It is characterized in that, the feeding chamber (1) includes feed inlet (9) and the sieve (10) in the feed inlet (9).
5. the screw feeding device that a kind of rimless combination type permanent-magnet linear synchronous motor according to claim 1 directly drives,
It is characterized in that, the rotor assembly (6) includes rotor pedestal (61) and magnet steel substrate, and the rotor pedestal (61) is fixedly installed in
On the screw shaft (3), the magnet steel substrate is distributed in around the screw shaft (3) axial line on the rotor pedestal (61).
6. the screw feeding device that a kind of rimless combination type permanent-magnet linear synchronous motor according to claim 5 directly drives,
It is characterized in that, the cylinder structure in screw shaft (3) end；The rotor pedestal (61) is circular column；The circular column is solid
Dingan County is loaded on the screw shaft (3) end；The magnet steel substrate is distributed in side wall and/or the end face of the circular column.
7. the screw feeding device that a kind of rimless combination type permanent-magnet linear synchronous motor according to claim 6 directly drives,
It is characterized in that, the circular column side wall is double-layer structure.
8. the screw feeding device that a kind of rimless combination type permanent-magnet linear synchronous motor according to claim 1 directly drives,
It is characterized in that, the stator module (7) further includes having stator base (71)；The stator base (71) is fixedly installed in the machine
On frame (2)；The stator core is fixedly installed in the stator base (71).
9. the screw feeding device that a kind of rimless combination type permanent-magnet linear synchronous motor according to claim 8 directly drives,
It is characterized in that, the stator base (71) is equipped with open-celled structure, and Heat Conduction Material is filled in the open-celled structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094584.1A CN108328233A (en) | 2018-01-31 | 2018-01-31 | A kind of screw feeding device that rimless combination type permanent-magnet linear synchronous motor directly drives |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094584.1A CN108328233A (en) | 2018-01-31 | 2018-01-31 | A kind of screw feeding device that rimless combination type permanent-magnet linear synchronous motor directly drives |
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| CN108328233A true CN108328233A (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810094584.1A Pending CN108328233A (en) | 2018-01-31 | 2018-01-31 | A kind of screw feeding device that rimless combination type permanent-magnet linear synchronous motor directly drives |
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| CN (1) | CN108328233A (en) |
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Application publication date: 20180727 |