CN108555075A - A kind of numerical control bender that no frame permanent magnet synchronous motor directly drives - Google Patents
A kind of numerical control bender that no frame permanent magnet synchronous motor directly drives Download PDFInfo
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- CN108555075A CN108555075A CN201810095093.9A CN201810095093A CN108555075A CN 108555075 A CN108555075 A CN 108555075A CN 201810095093 A CN201810095093 A CN 201810095093A CN 108555075 A CN108555075 A CN 108555075A
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- permanent magnet
- synchronous motor
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 60
- 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 abstract description 53
- 238000005452 bending Methods 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 239000000758 substrate Substances 0.000 claims description 30
- 238000004804 winding Methods 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 239000000498 cooling water Substances 0.000 claims description 5
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 6
- 230000005284 excitation Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003462 Bender reaction Methods 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/008—Bending sheet metal along straight lines, e.g. to form simple curves combined with heating or cooling of the bends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/004—Bending sheet metal along straight lines, e.g. to form simple curves with program control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/42—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by magnetic means, e.g. electromagnetic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/14—Control arrangements for mechanically-driven presses
- B30B15/148—Electrical control arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention discloses a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives, including pedestal, moving guide rail is mounted on the pedestal, upper holder block is connected on the moving guide rail, the upper holder block end is equipped with bending upper die, and the workbench is equipped with bending lower die, it is additionally provided with motor mount on the pedestal, the motor mount is equipped with motor, and the motor is no frame permanent magnet synchronous motor, and the stator module is fixedly mounted on motor mount；The rotor assembly is connected to by a nut on lead screw, and the end of the lead screw is connected on upper holder block.The no frame permanent magnet synchronous motor substitutes the lower lock block that hydraulic system in conventional bender directly drives on nut rotation drive lead screw and is slided up and down on moving guide rail, and the bending lower die on the bending upper die and workbench of upper holder block end that is connected to made is closed the bending for realizing plate.
Description
Technical field
The invention belongs to forge and press punching equipment class more particularly to a kind of numerical control bending that no frame permanent magnet synchronous motor directly drives
Machine.
Background technology
When being processed plank, often need to carry out the bending of certain angle to plank to meet practical application
Demand.Current main plate bending equipment is divided into mechanical type and hydraulic, and mechanical bender is typically to utilize motor and a system
Row gear train assembly realizes the up and down motion of sliding block；Hydraulic bending press is then the oil circuit using hydraulic cylinder and a series of complex
Control element realizes the up and down motion of sliding block.Bender plays an important role in steel and iron industry, especially in large-scale steel
In enterprise, generally require that bender is continuous and high-precision operation, however currently, due to tradition machinery bender transmission system
Complexity, hydraulic bending press oil circuit control element is various, high failure rate, limits the universal of it, and only economic strength richness is big
Bender can be just seen in type iron and steel enterprise.With the rapid development of the national economy, more and more small business need to produce
Some bending class products, active demand is cheap in the market, simple in structure, the numerical control bender of reliable operation.
In view of the above technical problems, a kind of servo direct driving type harmonic drive spiral shells of Chinese patent literature CN201410140761.7
Rotation bender provides technical solution, as shown in Figure 1, a kind of servo direct driving type harmonic drive spiral bender, including two right
The power section of setting, the output of power section is claimed to connect using planet roller screw mechanism and with the sliding block of bender, power
Part include magneto part, harmonic reduction part and roller screw part, when magneto after the power is turned on, rotor is in magnetic field
Directly harmonic oscillator is driven to rotate under force effect, to make to generate side set movement between flexbile gear and firm gear, realizes the increasing square that slows down,
The movement of flexbile gear output drives output shaft rotation, output shaft front end to have planet roller screw mechanism, to be done on lower with movable slider
Movement carries out bending forming by the mold on sliding block to plate, and the utility model Electromechanical Design, structure is tight
It gathers, equipment dependability is high；Harmonic gear can realize larger reduction ratio, provide larger plastic force；Pass through computer and servo
Control can look-ahead plate rebound, realize to the accurate bending forming of plank.But the bender is complicated, still needs
Intermediate transmission mechanism is wanted to realize the bending forming of plank, directly motor direct-drive is not utilized to complete sheet metal bending.
Therefore there is an urgent need for a kind of numerical control benders that no frame permanent magnet synchronous motor directly drives to solve above-mentioned technical problem.
Invention content
In view of the above shortcomings of the prior art, it is directly driven the object of the present invention is to provide a kind of no frame permanent magnet synchronous motor
Numerical control bender.
The present invention is achieved by the following technical programs.
A kind of numerical control bender that no frame permanent magnet synchronous motor directly drives, including rack, workbench, upper holder block, in bending
Mould, bending lower die, moving guide rail, the moving guide rail are mounted in the rack, are flexibly connected on the moving guide rail
Upper holder block is stated, the rack is equipped with pedestal, and the upper holder block end is equipped with bending upper die, and the workbench is equipped under bending
Mould, the pedestal upper end are equipped with motor mount, and the motor mount is described rimless equipped with no frame permanent magnet synchronous motor
Formula permanent magnet synchronous motor includes stator module and rotor assembly, and the stator module provides magnetic field for the rotor assembly, described
Stator module includes stator core and the stator winding that is wrapped on stator core, the annular that the stator core is integrally formed
Column structure or ring discoid structure；The stator module is fixedly mounted on motor mount；The rotor assembly, which is fixed, to be connected
It is connected on nut, lead screw is equipped in the nut, the end of the lead screw is connected on upper holder block.
The stator core of the integrally formed circular cylindrical structure is the first stator core, described to be wrapped in the first stator
Stator winding on iron core is the first stator winding；The stator core of the integrally formed ring discoid is the second stator iron
Core, the stator winding being wrapped on the second stator core are the second stator winding.
Specifically, the pedestal lower end is equipped with stop mechanism, the stop mechanism includes magnetic force generator, arresting lever and answers
Position spring；The arresting lever is placed among the magnetic force generator, and end is equipped with arc stop rack；The resetting spring is placed in
Between the magnetic force generator and the arresting lever；The lead screw is equipped with the stop tooth for being adapted to the arc stop rack.Its
Purpose is, prevents equipment from occurring powering off suddenly at work, the upper holder block of the moving guide rail falls and causes personnel and set
Standby the case where damaging.
Further, the no frame permanent magnet synchronous motor substitutes hydraulic system in conventional bender and directly drives nut rotation
The lower lock block turned on drive lead screw slides up and down on moving guide rail, the bending upper die for being connected to upper holder block end made and work
Bending lower die is closed the bending for realizing plate on platform.
Further, the stator module further includes stator base, and the stator base is in circular ring structure, the stator iron
Core is arranged circumferentially in stator base, and the stator base is fixedly mounted on motor mount.
Stator base for installing first stator core is arcuate stator pedestal；For installing second stator
The stator base of iron core is dish type stator base.
Further, the rotor assembly includes rotor pedestal and magnet steel substrate, and the rotor pedestal is fixedly connected on institute
It states on nut, the magnet steel substrate is axially distributed on rotor pedestal.It is intended that the rotor pedestal can be magnet steel base
Plate provides an installation form, and in assembling, the rotor pedestal can assemble completion in advance with magnet steel substrate, whole as one
Body enters the installation procedure of next step, easy for installation, improves installation effectiveness, is omitted prevented also from scattered component, bad management
The problem of.
The magnet steel substrate provides rotating excitation field for the stator core；Rotating excitation field is provided for first stator core
Magnet steel substrate be arc magnet steel substrate, for install the arc magnet steel substrate rotor pedestal be arc rotor pedestal；For
The magnet steel substrate that second stator core provides rotating excitation field is dish type magnet steel substrate, for installing the dish type magnet steel substrate
Rotor pedestal be disk type rotor pedestal.
Further, the stator base is equipped with cooling device.The stator module needs electric power to generate rotation
Magnetic field can supervene a large amount of heat, influence the normal of equipment while testing rotating excitation field and the rotation of the nut
Operation, the cooling device can quickly take away heat, ensure the stable of equipment.
Further, the cooling device is the cooling water pipe being wrapped in stator base.It is intended that cooling water pipe
The cycle water energy of inside trickling in time takes the heat that equipment generates out of, and equipment is made to keep a very fixed suitable temperature, cooling effect
Fruit is good.
Further, the no frame permanent magnet synchronous motor is controlled using servo-control system.It is intended that satisfaction pair
The flexible selection of type of drive and the preferably closure of control bending upper die and bending lower die.
Further, the upper holder block is driven by list without frame permanent magnet synchronous motor or double no frame permanent magnet synchronous motors drive
It is dynamic.
Further, bearing is equipped between the motor mount and the nut.
Further, the top of the nut is equipped with the thrust bearing for fixed rotor pedestal.
First stator core, the first stator winding, arcuate stator pedestal, arc rotor pedestal, arc magnet steel substrate
It is combined as no frame permanent-magnet synchronous arc-shaped motor；Second stator core, the second stator winding, dish type stator base, dish type
Rotor pedestal, dish type magnet steel substrate in combination are no frame permanent-magnet synchronous disc-type machine.
Compared with prior art, the beneficial effects of the present invention are：1, simple in structure, it is easy for installation, forever using no frame
Magnetic-synchro motor substitutes the Hydraulic Power Transmission System of conventional bender, reduces midway drive link, improves drive efficiency, reduces the energy
Loss simplifies type of drive and structure；2, there is fast response time without frame permanent magnet synchronous motor, it is possible to provide powerful energy
While output and control accuracy is high, using SERVO CONTROL, meets the flexible selection to type of drive；3, in the lower end of pedestal
It is provided with stop mechanism so that equipment use is safer, avoids the hair of the damage of equipment and the safety accident of operating personnel
It is raw.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art do simple introduction, it should be apparent that, in being described below
Attached drawing is some embodiments of the invention, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other drawings may also be obtained based on these drawings.
Fig. 1 is left view of the present invention.
Fig. 2 is the enlarged drawing of A in Fig. 1.
Fig. 3 is B direction views in Fig. 1.
Fig. 4 is the structural schematic diagram of stop mechanism.
Fig. 5 is the structural schematic diagram of the first stator core.
Fig. 6 is the structural schematic diagram of arc magnet steel substrate.
Fig. 7 is the structural schematic diagram of embodiment 2.
Fig. 8 is the structural schematic diagram of the second stator core.
Fig. 9 is the structural schematic diagram of dish type magnet steel substrate.
Figure 10 is that embodiment 3 is single drives schematic diagram without frame permanent magnet synchronous motor.
Figure 11 is that embodiment 3 pairs drives schematic diagram without frame permanent magnet synchronous motor.
Figure 12 is the structural schematic diagram of embodiment 4.
In figure：1, pedestal；2, workbench；3, upper holder block；4, bending upper die；5, bending lower die；6, moving guide rail；7, motor
Mounting base；8, motor；81, stator module；811, the first stator core；812, the first stator winding；813, arcuate stator pedestal；
814, cooling device；815, the second stator core；816, the second stator winding；817, dish type stator base；82, rotor assembly；
821, arc rotor pedestal；822, arc magnet steel substrate；823, disk type rotor pedestal；824, dish type magnet steel substrate；9, nut；
10, lead screw；11, bearing；12, thrust bearing；13, rack；14, stop mechanism；141, magnetic force generator；142, arresting lever；
143, resetting spring；144, stopping gear；15, without frame permanent-magnet synchronous arc-shaped motor；16, without frame permanent-magnet synchronous dish type electricity
Machine.
Specific implementation mode
Clear, complete description is carried out to the technical solution of various embodiments of the present invention below with reference to attached drawing, it is clear that retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, originally
Field those of ordinary skill obtained all other embodiment without making creative work, belongs to this hair
Bright protected range.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment 1
As shown in Fig. 1 ~ 6, a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives, including rack 13, workbench 2, on
Briquetting 3, bending upper die 4, bending lower die 5, moving guide rail 6, the moving guide rail 6 are mounted in the rack 13, the movement
The upper holder block 3 is connected on guide rail 6, the rack 13 is equipped with pedestal 1, and 3 end of the upper holder block is equipped in bending
Mould 4, the workbench 2 are equipped with bending lower die 5, and 1 upper end of the pedestal is equipped with motor mount 7, on the motor mount 7
Equipped with no frame permanent magnet synchronous motor 8, the no frame permanent magnet synchronous motor 8 includes stator module 81 and rotor assembly 82, institute
It is that the rotor assembly 82 provides magnetic field to state stator module 81, and the stator module 81 includes the first stator core 811 and winding
The first stator winding 812 on the first stator core 811, the circular cylindrical that first stator core 811 is integrally formed
Structure；The stator module 81 is fixedly mounted on motor mount 7；The rotor assembly 82 is fixedly connected on nut 9, institute
It states and is equipped with lead screw 10 in nut 9, the end of the lead screw 10 is connected on upper holder block 3.
Specifically, 1 lower end of the pedestal is equipped with stop mechanism 14, the stop mechanism 14 includes magnetic force generator 141, stops
Lever 142 and resetting spring 143；The arresting lever 142 is placed among the magnetic force generator 141,142 end of the arresting lever
Equipped with arc stop rack；The resetting spring 143 is placed between the magnetic force generator 141 and the arresting lever 142；It is described
Lead screw 10 is equipped with the stopping gear 144 for being adapted to the arc stop rack.It is intended that preventing equipment from occurring at work
Power-off suddenly, the upper holder block of the moving guide rail fall and cause casualties and the case where equipment damage occurs.After energization, institute
It states magnetic force generator 141 and generates electromagnetic force, 142 drawing of the arresting lever is detached from the stopping gear 144；The no frame is forever
Magnetic-synchro motor 8 directly drives nut rotation and the upper holder block 3 on lead screw 10 is driven to be slided up and down on moving guide rail 6, the company made
The bending upper die 4 for being connected on 3 end of upper holder block is closed the bending for realizing plate with bending lower die 5 on workbench 2；It is described when power-off
Magnetic force generator 141 loses electromagnetic force, and the arresting lever 142 is nibbled under the action of resetting spring 143 with the stopping gear 144
It closes, realizes stopping function, playing prevents the upper holder block 3 slided in moving guide rail 6 from falling, and causes the damage of personal injury and equipment
It is bad.
The no frame permanent magnet synchronous motor substitutes hydraulic system in conventional bender and directly drives the rotation drive silk of nut 9
Upper holder block 3 on bar 10 slides up and down on moving guide rail 6, and what is made is connected to the bending upper die 4 and workbench of 3 end of upper holder block
Bending lower die 5 is closed the bending for realizing plate on 2.
The stator module 81 further includes arcuate stator pedestal 813, and the arcuate stator pedestal 813 is in circular ring structure, institute
It states the first stator core 811 to be arranged circumferentially on arcuate stator pedestal 813, the arcuate stator pedestal 813 is fixedly mounted
On motor mount 7.
The rotor assembly 82 includes arc rotor pedestal 821 and arc magnet steel substrate 822, the arc rotor pedestal
821 are fixedly connected on the nut 9, and the arc magnet steel substrate 822 is circumferential to be distributed on arc rotor pedestal 821.It is described
Arc rotor pedestal 821 can be that arc magnet steel substrate 822 provides an installation form, in assembling, the arc rotor base
Seat 821 can assemble completion in advance with arc magnet steel substrate 822, enter the installation procedure of next step, installation as a whole
Conveniently, the problem of raising installation effectiveness is omitted prevented also from scattered component, bad management.
The arcuate stator pedestal 813 is equipped with cooling device 814, and the stator module 81 needs electric power to generate rotation
Magnetic field can supervene a large amount of heat, influence equipment just while testing rotating excitation field and the rotation of the nut 9
Often operation, the cooling device 814 can quickly take away heat, ensure the stable of equipment；The cooling device 814 is
The cooling water pipe being wrapped on arcuate stator pedestal 813, what the cycle water energy that cooling water pipe inside is trickled in time generated equipment
Heat is taken out of, and equipment is made to keep a very fixed suitable temperature, good cooling results.
The no frame permanent magnet synchronous motor is controlled using servo-control system.It can flexibly select to drive using servo-drive system
The closure of mode and more precise and stable the control bending upper die 4 and bending lower die 5.
Bearing 11 is equipped between the motor mount 7 and the nut 9.
The top of the nut 9 is equipped with the thrust bearing 12 for fixing arc rotor pedestal 821.
First stator core 811, the first stator winding 812, arcuate stator pedestal 813, arc rotor pedestal
821, arc magnet steel substrate 822 is combined as no frame permanent-magnet synchronous arc-shaped motor 15.
After powering on, the arc magnet steel substrate 822 is that first stator core 811 provides a radial rotary
Magnetic field, the no frame permanent-magnet synchronous arc-shaped motor 15 substitute hydraulic system in conventional bender and directly drive the rotation band of nut 9
Upper holder block 3 on dynamic lead screw 10 slides up and down on moving guide rail 6, and what is made is connected to the bending upper die 4 and work of 3 end of upper holder block
Make bending lower die 5 on platform 2 and is closed the bending for realizing plate.
Embodiment 2
As Figure 7-9, a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives, the knot of the present embodiment and embodiment 1
Structure is similar with principle, and the present embodiment and embodiment 1 include the second stator core 815, the difference lies in, the stator module 81
Two stator winding 816, dish type stator base 817, second stator core 815 is circumferential to be distributed on the dish type stator base
On 817, the dish type stator base 817 is fixedly mounted on motor mount 7；The rotor assembly 82 includes disk type rotor base
Seat 823, dish type magnet steel substrate 824, the dish type magnet steel substrate 824 is circumferential to be distributed on disk type rotor pedestal 823, the dish type
Rotor pedestal 823 is fixedly connected on nut 9.
Second stator core 815, the second stator winding 816, dish type stator base 817, disk type rotor pedestal
823, dish type magnet steel substrate 824 is combined as no frame permanent-magnet synchronous disc-type machine 16.
After powering on, the dish type magnet steel substrate 824 is that second stator core 815 provides an axial-rotation
Magnetic field, the no frame permanent-magnet synchronous disc-type machine 16 substitute hydraulic system in conventional bender and directly drive the rotation band of nut 9
Upper holder block 3 on dynamic lead screw 10 slides up and down on moving guide rail 6, and what is made is connected to the bending upper die 4 and work of 3 end of upper holder block
Make bending lower die 5 on platform 2 and is closed the bending for realizing plate.
Embodiment 3
As shown in figs. 10-11, a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives, the present embodiment and embodiment 1 or
The structure of embodiment 2 is similar with principle, and difference lies in the upper holder block 3 is by list for the present embodiment and embodiment 1 or embodiment 2
No frame permanent magnet synchronous motor driving or double no frame permanent magnet synchronous motor drivings.It is optional according to the specification size of numerical control bender
List is selected without the driving of frame permanent magnet synchronous motor or double no frame permanent magnet synchronous motor drivings, space is saved and reduces energy loss.
Embodiment 4
As shown in figure 12, a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives, the present embodiment and embodiment 1 or implementation
The structure of example 2 or embodiment 3 is similar with principle, and difference lies in institutes for the present embodiment and embodiment 1 or embodiment 2 or embodiment 3
Stating no frame permanent magnet synchronous motor 8 can be for no frame permanent-magnet synchronous arc-shaped motor 15 and without frame permanent-magnet synchronous disc-type machine 16
Combination, the arcuate stator pedestal 813 are fixedly connected with the dish type stator base 817.The arc magnet steel substrate 822 is institute
The magnetic field that the first stator core 811 provides radial rotary is stated, the dish type magnet steel substrate 824 is second stator core 815
The magnetic field to rotate in a circumferential direction, the no frame permanent-magnet synchronous arc-shaped motor 15 and the no frame permanent-magnet synchronous disc-type machine 16 are provided
Common driving nut 9 rotation drives the upper holder block 3 on lead screw 10 to be slided up and down on moving guide rail 6, and what is made is connected to upper holder block 3
The bending upper die 4 of end is closed the bending for realizing plate with bending lower die 5 on workbench 2.By the no frame permanent-magnet synchronous arc
Shape motor 15 and no 16 combination application of frame permanent-magnet synchronous disc-type machine can increase torque, provide the power source of bigger, fit
For large-scale numerical control bender.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in previous embodiment, either which part or all technical features are equal
It replaces；And these modifications or replacements, technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives, including rack, workbench, upper holder block, bending upper die,
Bending lower die, moving guide rail, the moving guide rail are mounted in the rack, are connected on described on the moving guide rail
Briquetting, the rack are equipped with pedestal, and the upper holder block end is equipped with bending upper die, and the workbench is equipped with bending lower die,
It is characterized in that, the pedestal upper end is equipped with motor mount, the motor mount equipped with no frame permanent magnet synchronous motor,
The no frame permanent magnet synchronous motor includes stator module and rotor assembly, and the stator module provides magnetic for the rotor assembly
, the stator module includes stator core and the stator winding that is wrapped on stator core, and the stator core is integrated into
The circular cylindrical structure or ring discoid structure of type；The stator module is fixedly mounted on motor mount；The rotor set
Part is fixedly connected on nut, lead screw is equipped in the nut, the end of the lead screw is connected on upper holder block.
2. a kind of numerical control bender that rimless combination type permanent-magnet linear synchronous motor directly drives according to claim 1, feature
It is, the pedestal lower end is equipped with stop mechanism, and the stop mechanism includes magnetic force generator, arresting lever and resetting spring；Institute
It states arresting lever to be placed among the magnetic force generator, end is equipped with arc stop rack；The resetting spring is placed in the magnetic force
Between generator and the arresting lever；The lead screw is equipped with the stopping gear for being adapted to the arc stop rack.
3. a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that described
Stator module further includes stator base, and the stator base is in circular ring structure, and the stator core is arranged circumferentially in stator
On pedestal, the stator base is fixedly mounted on motor mount.
4. a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that described
Rotor assembly includes rotor pedestal and magnet steel substrate, and the rotor pedestal is fixedly connected on the nut, the magnet steel substrate
Axially it is distributed on rotor pedestal.
5. a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives according to claim 3, which is characterized in that described
Stator base is equipped with cooling device.
6. a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives according to claim 5, which is characterized in that described
Cooling device is the cooling water pipe being wrapped in stator base.
7. a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that described
No frame permanent magnet synchronous motor is controlled using servo-control system.
8. a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that described
Upper holder block is driven by list without frame permanent magnet synchronous motor or double no frame permanent magnet synchronous motors drive.
9. a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that described
Bearing is equipped between motor mount and the nut.
10. a kind of numerical control bender that no frame permanent magnet synchronous motor directly drives according to claim 1, which is characterized in that institute
The top for stating nut is equipped with the thrust bearing for being used for fixed rotor pedestal.
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| CN201810095093.9A CN108555075A (en) | 2018-01-31 | 2018-01-31 | A kind of numerical control bender that no frame permanent magnet synchronous motor directly drives |
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| CN201810095093.9A CN108555075A (en) | 2018-01-31 | 2018-01-31 | A kind of numerical control bender that no frame permanent magnet synchronous motor directly drives |
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