CN108217098A - The screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives - Google Patents
The screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives Download PDFInfo
- Publication number
- CN108217098A CN108217098A CN201810094315.5A CN201810094315A CN108217098A CN 108217098 A CN108217098 A CN 108217098A CN 201810094315 A CN201810094315 A CN 201810094315A CN 108217098 A CN108217098 A CN 108217098A
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- Prior art keywords
- synchronous motor
- permanent magnet
- magnet synchronous
- screw shaft
- frame permanent
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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
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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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
-
- 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
- B65G33/32—Adaptations of bearings or couplings for supporting and connecting screws
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
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- 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
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- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention discloses the screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives, feeding chamber, screw shaft, bearing including rack, in the rack, the helical blade on the screw shaft and without frame permanent magnet synchronous motor, the no frame permanent magnet 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 includes stator core and the stator winding being wrapped on the stator core, and the stator core is integrated machine-shaping or the circular column or annular disk that are spliced by several secter pats.The present invention drives the screw shaft to rotate by the no frame permanent magnet 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 the screw feeding dress that a kind of no frame permanent magnet synchronous motor directly drives
It puts.
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
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 to be driven by screw shaft and is connected with hollow shaft
Helical runner rotation, so as 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 is for weighing, so as to which accurately control raw material is exported with modifying agent
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 arrangements 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, is suitble to enterprise's continuous production.The screw feeding device by variable-frequency motor drive in a manner of, failure rate
It is high.
Dust, noise are larger during current screw feeding device use used on the market, influence the use of motor；
In addition, most of screw feeding devices are using the main driving of double-speed motor and the type of drive of hydraulic motor Assisted Combinatorial 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
Kind of the screw feeding device directly driven without frame permanent magnet synchronous motor is to solve the above problems.
Invention content
In order to solve the problems in the prior art, the purpose of the present invention is to provide what a kind of no frame permanent magnet synchronous motor directly drove
Screw feeding device drives the screw shaft to rotate, has transmission efficiency, noise by the no frame permanent magnet synchronous motor
Low, the advantages of torque is big.
To achieve the above object, the technical solution adopted by the present invention is：
The screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives, including rack, in the rack
Feeding chamber, screw shaft, bearing, the helical blade on the screw shaft and without frame permanent magnet synchronous motor, the screw rod
Axis runs through the feeding chamber, is mounted in the rack by the bearing, and the screw shaft is rotatablely connected with the feeding chamber；
The screw shaft is directly driven by the no frame permanent magnet synchronous motor；The no frame permanent magnet 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；With forever
The rotor assembly of magnetic characteristic is fixedly installed on the screw shaft,
Wherein, the stator module includes stator core and the stator winding being wrapped on the stator core, described
Stator core is integrated machine-shaping or the circular column or annular disk that are spliced by several secter pats.
The present invention is using a kind of driving motor of rimless permanent magnet synchronous motor as the screw feeding device, rotor
Directly with the screw rod axis connection, motor stator is looped around around rotor, is fixed in rack, to reduce gear, reduction box
Deng driving intermediate link, simplify type of drive and structure, improve drive efficiency, realize the straight drive of the screw shaft；It meanwhile can root
According to the type of drive for needing selection motor, frequency control or SERVO CONTROL are realized, to meet the flexible selection to type of drive, carry
The reliable performance of high machine reduces manufacturing cost and use cost, reduces the loss of the energy.
Preferably, the screw shaft, which is equipped with, is located at the screw shaft and the flabellum one at 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 no frame permanent magnet synchronous motor, the flabellum one is rotated with the screw shaft with flabellum two and is taken out
Wind, the flabellum one are reversed with two direction blade of flabellum, realize wind cycle, increase the air of no frame permanent magnet synchronous motor
Heat dissipation is accelerated in circulation.
Preferably, the rimless permanent magnet synchronous motor outer sheath is equipped with for dust-proof motor cover.The screw feeding dress
It puts for a long time using that can cause there are a large amount of dust accretions to influence motor use at motor, by the rimless permanent magnet synchronous motor
Outside is arranged motor cover, can effectively prevent dust and enters motor, ensures the normal use of the rimless permanent magnet 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 so as 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 has further included 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, and the peace of next step is entered as an entirety
Process is filled, it is easy for installation, installation effectiveness is improved, is omitted prevented also from scattered component, solves the various bad management of parts
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 no frame permanent magnet synchronous motor can be improved, in the trepanning
The Heat Conduction Material is filled at place, further improves heat dissipation performance, while ensure the globality of the no frame permanent magnet synchronous motor
And leakproofness, the shape of the open-celled structure can be according to the size of the no frame permanent magnet synchronous motor, shape and installation
Position is 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 permanent magnet synchronous motor, reduces gear, reduction box
Etc. intermediate links, simplify type of drive, improve drive efficiency；
(2) the advantages of rimless permanent magnet synchronous motor of the present invention has fast response time, and control accuracy is high, can be according to need
The type of drive of motor is selected, realizes frequency control or SERVO CONTROL, to meet the flexible selection to type of drive, while can
Powerful energy output is 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 no frame permanent magnet synchronous motor, the flabellum one forms circulated air with flabellum two, adds
The fast no frame permanent magnet synchronous motor heat dissipation；
(4) present invention sets up defences dust hood in the no frame permanent magnet synchronous motor outer sheath, prevents the no frame permanent magnetism same
Walk motor accumulation dust；
(5) present invention selects the sieve by setting sieve at the feed inlet according to by the requirement of transmission material
Size so as to control the quality of the transmission material, improves the working performance of the screw feeding device；
(6) present invention sets open-celled structure, and fill Heat Conduction Material in the open-celled structure in the stator base,
Both globality and leakproofness that rapid cooling also assures the no frame permanent magnet synchronous motor had been played the role of.
Description of the drawings
Fig. 1 is the structure diagram of screw feeding device that a kind of no frame permanent magnet synchronous motor of the present invention directly drives；
Fig. 2 is the structure diagram of no frame permanent magnet synchronous motor of the present invention；
Fig. 3 is the structure diagram without frame permanent magnet synchronous motor described in the embodiment of the present invention 2；
Fig. 4 is the structure diagram without frame permanent magnet synchronous motor described in the embodiment of the present invention 3；
In figure：1st, feeding chamber；2nd, rack；3rd, screw shaft；4th, bearing；5th, without frame permanent magnet synchronous motor；6th, rotor assembly；
61st, rotor pedestal；62nd, arc magnet steel substrate；63rd, dish type magnet steel substrate；7th, stator module；71st, stator base；72nd, arc is fixed
Sub- iron core；73rd, dish type stator core；8th, motor cover；9th, feed inlet；10th, sieve；11st, flabellum one；12nd, flabellum two.
Specific embodiment
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 embodiment is only part of the embodiment 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 creative work is not made belong to
The scope of protection of the invention.
Embodiment 1
As shown in Figure 1, 2, the present embodiment provides the screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives, including
Rack 2, the feeding chamber 1 in the rack 2, screw shaft 3, bearing 4, the helical blade on the screw shaft 3
And without frame permanent magnet synchronous motor 5, the screw shaft 3 runs through the feeding chamber 1, and the rack 2 is mounted on by the bearing 4
On, the screw shaft 3 is rotatablely connected with the feeding chamber 1；The screw shaft 3 is direct by the no frame permanent magnet synchronous motor 5
Driving；The no frame permanent magnet synchronous motor 5 includes stator module 7 and rotor assembly 6；The stator module 7 is fixedly installed in
In the rack 2, rotating excitation field is provided for the rotor assembly 6；The rotor assembly 6 with magnetic property is fixedly installed in
On the screw shaft 3,
Wherein, the stator module 7 includes arcuate stator iron core 72 and is wrapped on the arcuate stator iron core 72
Stator winding, the arcuate stator iron core 72 are integrated machine-shaping circular cylindrical structure.
As the preferred of the present embodiment, the screw shaft 3 is equipped with to be connected positioned at the screw shaft 3 with the rotor assembly 6
Connect place's flabellum 1 at both ends and flabellum 2 12, the flabellum 1, flabellum 2 12 direction blade on the contrary, the rotor pedestal
61 in stator base 71 with being respectively equipped with and the flabellum 1,2 12 matched trepanning of flabellum；The no frame permanent magnetism is same
5 outer sheath of motor is walked to be equipped with for dust-proof motor cover 8；The rotor assembly 6 includes rotor pedestal 61 and arc magnet steel substrate
62, the rotor pedestal 61 is fixedly installed on the screw shaft 3, and the arc magnet steel substrate 62 is around 3 axle center of screw shaft
Line is distributed on the rotor pedestal 61；The cylinder structure in 3 end of screw shaft；The rotor pedestal 61 is circular column；
The rotor pedestal 61 is fixedly installed in 3 end of screw shaft；The arc magnet steel substrate 62 is distributed in the circular column
Side wall；The circular column side wall is double-layer structure；The stator module 7 has further included stator base 71；The stator base 71
It is fixedly installed in the rack 2；The arcuate stator iron core 72 is fixedly installed in the stator base 71；The stator base
Seat 71 is equipped with round hole structure, and graphite is filled in the round hole structure.
After energization, the arcuate stator iron core 72 provides the magnetic radially rotated for the arc magnet steel substrate 62
, the stator module 7 and rotor assembly 6 is promoted to provide the power rotated around 3 axial line of screw shaft for the screw shaft 3
Square directly drives 3 rotary work of screw shaft；The flabellum 1, flabellum 2 12 are rotated with the screw shaft 3, and formation follows
Ring wind increases the flow velocity of no 5 superficial air of frame permanent magnet synchronous motor, accelerates heat dissipation；Simultaneously in the no frame permanent magnetism
5 outside setting dust cover of synchronous motor, avoids dust from entering motor, influences the use of motor；It is opened in the stator base 71
If the round hole, preferable cooling effect can be played, the square structure area bigger of the more identical length of side of circular configuration dissipates
Thermal effect is more preferable, and graphite is filled 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 3, the present embodiment provides the screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives, with implementation
Example 1 is compared, and the difference lies in the stator module 7 includes dish type stator core 73 and is wrapped in the dish type stator iron
Stator winding on core 73, the dish type stator core 73 are integrated machine-shaping ring discoid structure；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 include rotor pedestal 61 and dish type magnet steel substrate 63, described turn
Sub-base 61 is fixedly installed on the screw shaft 3, and the dish type magnet steel substrate 63 is distributed in institute around 3 axial line of screw shaft
It states on rotor pedestal 61；The cylinder structure in 3 end of screw shaft；The rotor pedestal 61 is equipped with the ring of sealing plate for end face
Shape column；The rotor pedestal 61 is fixedly installed in 3 end of screw shaft；The dish type magnet steel substrate 63 is distributed in the annular
The end face of column；The circular column side wall is double-layer structure, and the stator module 7 has further included stator base 71；The stator base
Seat 71 is fixedly installed in the rack 2；The dish type stator core 73 is fixedly installed in the stator base 71；It is described fixed
Sub-base 71 is equipped with bar shaped open-celled structure, and heat conductive silica gel is filled in the bar shaped open-celled structure.
After energization, the dish type stator core 73 provides the magnetic that an axis rotates up for the dish type magnet steel substrate 63
, the stator module 7 and rotor assembly 6 is promoted to provide the power rotated around 3 axial line of screw shaft for the screw shaft 3
Square directly drives 3 rotary work of 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, can according to the shape of the specific works condition selecting trepanning of no frame permanent magnet synchronous motor 5 of the present invention, and
Heat conductive silica gel is filled in the open-celled structure, further improves rate of heat dispation, and ensure the no frame permanent magnet synchronous motor 5
Globality and seal.
Embodiment 3
As shown in figure 4, the present embodiment provides the screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives, with implementation
Example 1 is compared, and the difference lies in the stator module 7 includes arcuate stator iron core 72 and dish type stator core 73, described
Arcuate stator iron core 72 and dish type stator core 73 are wound with stator winding；The arcuate stator iron core 72 is integrated machine-shaping
Circular cylindrical structure, the dish type stator core 73 are integrated machine-shaping ring discoid structure.
As the preferred of the present embodiment, the rotor assembly 6 includes rotor pedestal 61, arc magnet steel substrate 62 and dish type magnetic
Steel substrate 63, the rotor pedestal 61 are fixedly installed on the screw shaft 3, the arc magnet steel substrate 62 and dish type magnet steel base
Plate 63 is distributed in around 3 axial line of screw shaft on the rotor pedestal 61；The cylinder structure in 3 end of screw shaft；Institute
Rotor pedestal 61 is stated as circular column；The rotor pedestal 61 is fixedly installed in 3 end of screw shaft；The arc magnet steel substrate
62 are distributed in the lateral wall of the circular column, and the dish type magnet steel substrate 63 is distributed in the end face of the circular column；The annular
Column side wall is double-layer structure；The stator module 7 has further included stator base 71；The stator base 71 is fixedly installed in described
In rack 2；The arcuate stator iron core 72 and dish type stator core 73 are fixedly installed in the stator base 71.
After energization, the dish type stator core 73 provides the magnetic that an axis rotates up for the dish type magnet steel substrate 63
；The arcuate stator iron core 72 provides the magnetic field radially rotated for the arc magnet steel substrate 62, promotes jointly
The stator module 7 and rotor assembly 6 provide the torque rotated around 3 axial line of screw shaft for the screw shaft 3, directly drive
Move 3 rotary work of screw shaft；In addition, adjust the lifting cylinder according to the position for receiving material device, make discharge port with
The reception material device matches, and improves the adaptability of the screw actuator.
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 no frame permanent magnet synchronous motor directly drives, including rack (2), mounted on the rack (2)
On feeding chamber (1), screw shaft (3), bearing (4), the helical blade on the screw shaft (3) and same without frame permanent magnetism
Walk motor (5), which is characterized in that the screw shaft (3) is through the feeding chamber (1), by the bearing (4) mounted on described
In rack (2), the screw shaft (3) is rotatablely connected with the feeding chamber (1)；The screw shaft (3) is by the no frame permanent magnetism
Synchronous motor (5) directly drives；The no frame permanent magnet synchronous motor (5) includes stator module (7) and rotor assembly (6)；Institute
It states stator module (7) to be fixedly installed in the rack (2), rotating excitation field is provided for the rotor assembly (6)；With permanent magnetism spy
The rotor assembly (6) of property is fixedly installed on the screw shaft (3),
Wherein, the stator module (7) includes stator core and the stator winding being wrapped on the stator core, described fixed
Sub- iron core is integrated the circular cylindrical structure of machine-shaping or ring discoid structure.
2. the screw feeding device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
The screw shaft (3) be equipped with the flabellum one (11) that is located at the screw shaft (3) and the rotor assembly (6) junction both ends and
Flabellum two (12), the flabellum one (11), flabellum two (12) direction blade on the contrary, the rotor pedestal (61) and stator base
(71) it is respectively equipped on and the flabellum one (11), the matched trepanning of flabellum two (12).
3. the screw feeding device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
No frame permanent magnet synchronous motor (5) outer sheath is equipped with for dust-proof motor cover (8).
4. the screw feeding device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
Sieve (10) of the feeding chamber (1) including feed inlet (9) and in the feed inlet (9).
5. the screw feeding device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which 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 the screw rod
On axis (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 no frame permanent magnet synchronous motor according to claim 5 directly drives, which is characterized in that
The cylinder structure in screw shaft (3) end；The rotor pedestal (61) is circular column；The circular column is fixedly installed in institute
State 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 no frame permanent magnet synchronous motor according to claim 6 directly drives, which is characterized in that
The circular column side wall is double-layer structure.
8. the screw feeding device that a kind of no frame permanent magnet synchronous motor according to claim 1 directly drives, which is characterized in that
The stator module (7) has further included stator base (71)；The stator base (71) is fixedly installed in the rack (2)；
The stator core is fixedly installed in the stator base (71).
9. the screw feeding device that a kind of no frame permanent magnet synchronous motor according to claim 8 directly drives, which 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 |
|---|---|---|---|
| CN201810094315.5A CN108217098A (en) | 2018-01-31 | 2018-01-31 | The screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094315.5A CN108217098A (en) | 2018-01-31 | 2018-01-31 | The screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108217098A true CN108217098A (en) | 2018-06-29 |
Family
ID=62670165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810094315.5A Pending CN108217098A (en) | 2018-01-31 | 2018-01-31 | The screw feeding device that a kind of no frame permanent magnet synchronous motor directly drives |
Country Status (1)
| Country | Link |
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| CN (1) | CN108217098A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109530050A (en) * | 2018-11-16 | 2019-03-29 | 湖北环电磁装备工程技术有限公司 | A kind of sand making machine that no frame permanent magnetic linear synchronous motor directly drives |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN201238240Y (en) * | 2008-06-18 | 2009-05-13 | 北京佩特来电器有限公司 | Fan group used for automobile generator rotor |
| CN102389157A (en) * | 2010-11-13 | 2012-03-28 | 西安合升动力科技有限公司 | Screw extrusion device |
| DE102012200816A1 (en) * | 2012-01-20 | 2013-07-25 | Yasa Motors Poland Sp. z.o.o. | Wet runner pump with permanent magnet |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109530050A (en) * | 2018-11-16 | 2019-03-29 | 湖北环电磁装备工程技术有限公司 | A kind of sand making machine that no frame permanent magnetic linear synchronous motor directly drives |
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