CN103962423B - A kind of servo direct driving type harmonic drive spiral bender - Google Patents
A kind of servo direct driving type harmonic drive spiral bender Download PDFInfo
- Publication number
- CN103962423B CN103962423B CN201410140761.7A CN201410140761A CN103962423B CN 103962423 B CN103962423 B CN 103962423B CN 201410140761 A CN201410140761 A CN 201410140761A CN 103962423 B CN103962423 B CN 103962423B
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- bearing
- flexbile gear
- output shaft
- bender
- harmonic
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- 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
- B30B1/18—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 screw means
- B30B1/181—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 screw means the screw being directly driven by an electric motor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
A kind of servo direct driving type harmonic drive spiral bender, comprise two symmetrically arranged power sections, the output of power section adopts planet roller screw mechanism and is connected with the slide block of bender, power section comprises magneto part, harmonic reduction part and roller screw part, after magneto powers on, its rotor directly drives harmonic oscillator to rotate under magnetic field force effect, thus make flexbile gear and just produced side set motion between wheel, realize slowing down and increase square, the motion that flexbile gear exports drives output shaft rotation, there is planet roller screw mechanism output shaft front end, thus band movable slider does lower upper motion, by the mould be contained on slide block, bending forming is carried out to plate, Electromechanical Design of the present invention, compact conformation, equipment dependability is high, harmonic gear can realize larger speed reducing ratio, provides larger plastic force, can the resilience of look-ahead plate by computer and SERVO CONTROL, realize the accurate bending forming to sheet material.
Description
Technical field
The invention belongs to forging and stamping punching equipment class, be specifically related to a kind of servo direct driving type harmonic drive spiral bender.
Background technology
Man-hour is being added to sheet material, is often needing to carry out the bending of certain angle to meet the demand of practical application to sheet material.Plate bending equipment main is at present divided into mechanical type and hydraulic, and mechanical bender normally utilizes motor and series of gears transmission system to realize moving up and down of slide block; Hydraulic bending press is then utilize the oil circuit control element of hydraulic cylinder and series of complex to realize moving up and down of slide block.Bender plays an important role in steel and iron industry, especially in large iron and steel enterprise, often need bender continuous and high-precision operation, but at present, because the mechanical bender transmission system of tradition is complicated, hydraulic bending press oil circuit control element is various, and fault rate is high, limit the universal of it, in the large iron and steel enterprise of only economic strength richness, just can see bender.Along with the fast development of national economy, increasing small business needs to produce some bending class products, and on market, active demand is cheap, and structure is simple, the numerical control bender of reliable operation.
Be disclose a kind of small-sized bender in the Chinese patent of 201110395280.7 at application number, it makes pushing block move in guide rail by the hydraulic jack being arranged on top.This bender structure is simple, but bending precision is poor, and automaticity is low, Whole Equipment poor rigidity, and machinable plate limitation is large, poor universality.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of servo direct driving type harmonic drive spiral bender, whole bender is simple and compact for structure, and precision is high, and equipment interoperability is strong.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of servo direct driving type harmonic drive spiral bender, comprise two symmetrically arranged power sections, the main body of power section is arranged in chamber, top upper plate 17 and chamber, top lower plate 37, the output of power section is realized by planet roller screw mechanism, and the slide block 30 of planet roller screw mechanism and bender is connected by screw, slide block 30 is connected with fuselage 33, and fuselage 33 is connected on base 31.
Described power section comprises permanent magnet motor stator 2, and permanent magnet motor stator 2 is fixed on the inner ring boss of motor housing 1; Permanent magnet machine rotor 3 afterbody is bearing on back shaft 8 by rear end bearing 6, and back shaft 8 is fixed with back end cover for motor 5; Permanent magnet machine rotor 3 and motor housing 1 afterbody are equipped with the rotary transformer stator 4 and the rotary transformer rotor 10 that provide feedback signal respectively.
Harmonic oscillator 12 is fixed on the front end of permanent magnet machine rotor 3, output shaft 23 afterbody is bearing in by front end bearing 18 inside harmonic oscillator 12, harmonic oscillator 12 is elliptical shape, flexible bearing 14 is arranged on outside harmonic oscillator 12 by predeformation, and the inner ring of flexible bearing 14 is axially fixed by upper cover plate 13 and lower cover 40; With flexbile gear 16 fit inside outside flexible bearing 14, because harmonic oscillator 12 is rigidity elliptical shape, flexible bearing 14 and flexbile gear 16 therefore can be made also to become elliptical shape; Firm wheel 15 is the rigid annulus with ring gear, flexbile gear 16 and just wheel 15 are engaged by profile of tooth, firm wheel 15 is coordinated with motor housing 1 by buckle, back end cover for motor 5, motor housing 1 and firm wheel 15 are pressed in the concave station of chamber, top upper plate 17 by uniform turnbuckle 11, simultaneously to just taking turns 15 circumferential location.
Flexbile gear 16 is arranged on flexbile gear bearing 20, flexbile gear bearing 20 is connected with output shaft 23 and transmits power, the sleeve 19 that flexbile gear bearing 20 top is provided with is conducted oneself with dignity for support motor part, taper roll bearing 22 and lower taper roll bearing 24 are installed in the middle part of output shaft 23, upper taper roll bearing 22 withstands in motion counter-force counter balance pocket 36 by backing plate 21, lower taper roll bearing 24 outer ring withstands on counter balance pocket end cap 25, counter balance pocket end cap 25 is connected in motion counter-force counter balance pocket 36, motion counter-force counter balance pocket 36 be welded on the carrying cylinder 38 pushed up in chamber lower plate 37 and be connected.
Screw rod is made in described output shaft 23 front end, output shaft 23 screw portion and one encloses planetary roller 27 and engages, planetary roller 27 two supports is on a pair support ring 29, planetary roller 27 can be rotated along own axes circumference, support ring 29 is bearing on upper bracket 35 and undersetting 28 respectively, whole feed screw nut part leading screw upper cover plate 34 and leading screw lower cover 32 are encapsulated in leading screw shell 26, and leading screw shell 26 is fixed with slide block 30.
Advantage of the present invention is: adopt driven by power, apparatus arrangement is flexible; Electromechanical Design, compact conformation, equipment dependability is high; Harmonic gear can realize larger speed reducing ratio, makes the plastic force that the present invention can provide larger; Can the resilience of look-ahead plate by computer and SERVO CONTROL, realize the accurate bending forming to sheet material.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is power section structural representation of the present invention.
Fig. 3 is that the present invention and attached electrical module thereof connect schematic block diagram.
Detailed description of the invention
With reference to the accompanying drawings detailed explaination is done to the present invention.
See figures.1.and.2, a kind of servo direct driving type harmonic drive spiral bender, comprise two symmetrically arranged power sections, the main body of power section is arranged in chamber, top upper plate 17 and chamber, top lower plate 37, the output of power section is realized by planet roller screw mechanism, and the slide block 30 of planet roller screw mechanism and bender is connected by screw, and slide block 30 is connected with fuselage 33, fuselage 33 is connected on base 31;
With reference to Fig. 2, described power section comprises permanent magnet motor stator 2, and permanent magnet motor stator 2 is fixed on the inner ring boss of motor housing 1 by anaerobic adhesive or Screw; Permanent magnet machine rotor 3 afterbody is bearing on back shaft 8 by rear end bearing 6, and back shaft 8 is fixed with back end cover for motor 5 by two round nut 7 and flat key 9; Permanent magnet machine rotor 3 and motor housing 1 afterbody are equipped with the rotary transformer stator 4 and the rotary transformer rotor 10 that provide feedback signal respectively;
Harmonic oscillator 12 is fixed on the front end of permanent magnet machine rotor 3 by screw and pin, output shaft 23 afterbody is bearing in by front end bearing 18 inside harmonic oscillator 12, harmonic oscillator 12 is elliptical shape, flexible bearing 14 is arranged on outside harmonic oscillator 12 by predeformation, and the inner ring of flexible bearing 14 is axially fixed by upper cover plate 13 and lower cover 40; With flexbile gear 16 fit inside outside flexible bearing 14, because harmonic oscillator 12 is rigidity elliptical shape, flexible bearing 14 and flexbile gear 16 therefore can be made also to become elliptical shape; Firm wheel 15 is the rigid annulus with ring gear, and flexbile gear 16 and just wheel 15 are engaged by profile of tooth, when harmonic oscillator 12 rotates, drives flexbile gear 16 that controlled elastic deformation occurs, with just taking turns 15 carries out side set motion, carries out transmission; Firm wheel 15 is coordinated with motor housing 1 by buckle, and back end cover for motor 5, motor housing 1 and firm wheel 15 are pressed in the concave station of chamber, top upper plate 17 by uniform six turnbuckles 11, takes turns 15 circumferential location by pin to firm simultaneously.
Flexbile gear 16 is arranged on flexbile gear bearing 20 by bolt and pin, flexbile gear bearing 20 has keyway, to be connected with output shaft 23 by flat key 39 and to transmit power, the sleeve 19 that flexbile gear bearing 20 top is provided with is conducted oneself with dignity for support motor part, taper roll bearing 22 and lower taper roll bearing 24 are installed in the middle part of output shaft 23, upper taper roll bearing 22 withstands in motion counter-force counter balance pocket 36 by backing plate 21, lower taper roll bearing 24 outer ring withstands on counter balance pocket end cap 25, counter balance pocket end cap 25 is bolted in motion counter-force counter balance pocket 36, motion counter-force counter balance pocket 36 by the flange on it and bolt be welded on the carrying cylinder 38 pushed up in chamber lower plate 37 and be connected.
Screw rod is made in described output shaft 23 front end, output shaft 23 screw portion and one encloses planetary roller 27 and engages, planetary roller 27 two supports is on a pair support ring 29, planetary roller 27 can be rotated along own axes circumference, support ring 29 is bearing on upper bracket 35 and undersetting 28 respectively, whole feed screw nut part leading screw upper cover plate 34 and leading screw lower cover 32 are encapsulated in leading screw shell 26, leading screw shell 26 by the flange on it and bolt fixing with slide block 30.
Operation principle of the present invention is:
With reference to Fig. 3, two power sections of the present invention are connected with servo-driver by cable, servo-driver is connected with 380V power supply, the control termination controller of servo-driver, controller is connected with industrial computer, the motor message of two power sections arrives controller, to guarantee the synchronous of its work by feedback.
Industrial computer controls servo-driver by controller, and power section is powered on.After power section powers on, permanent magnet machine rotor 3 starts to rotate under the action of a magnetic force, drive connected harmonic oscillator 12 to rotate simultaneously, harmonic oscillator 12 makes flexbile gear 16 that controlled elastic deformation occur by flexible bearing 14, this controlled elastic deformation and then make flexbile gear 16 and just produced side set motion between wheel 15, thus flexbile gear 16 exports the large torque of the slow-speed of revolution; The output of flexbile gear 16 drives output shaft 23 to start to rotate by flat key 39, output shaft 23 is fixing due to motion counter-force counter balance pocket 36, can not in axial direction move, only can along own axis, therefore drive planetary roller 27 and leading screw shell 26 move by the screw thread of its front end vertically, and then band movable slider 30 moves up and down, and plate is carried out to the bending accurately controlled.
Claims (1)
1. a servo direct driving type harmonic drive spiral bender, comprise two symmetrically arranged power sections, it is characterized in that: the main body of power section is arranged on chamber upper plate, top (17) and chamber lower plate, top (37), the output of power section is realized by planet roller screw mechanism, and the slide block of planet roller screw mechanism and bender (30) is connected by screw, slide block (30) is connected with fuselage (33), and fuselage (33) is connected on base (31);
Described power section comprises permanent magnet motor stator (2), and permanent magnet motor stator (2) is fixed on the inner ring boss of motor housing (1); Permanent magnet machine rotor (3) afterbody is bearing on back shaft (8) by rear end bearing (6), and back shaft (8) is fixed with back end cover for motor (5) by two round nut (7) and flat key (9); Permanent magnet machine rotor (3) and motor housing (1) afterbody are equipped with the rotary transformer stator (4) and the rotary transformer rotor (10) that provide feedback signal respectively;
Harmonic oscillator (12) is fixed on the front end of permanent magnet machine rotor (3), harmonic oscillator (12) inner side is bearing in output shaft (23) afterbody by front end bearing (18), harmonic oscillator (12) is elliptical shape, flexible bearing (14) is arranged on harmonic oscillator (12) outside by predeformation, and the inner ring of flexible bearing (14) is axially fixed by upper cover plate (13) and lower cover (40); Flexible bearing (14) outside and flexbile gear (16) fit inside, because harmonic oscillator (12) is rigidity elliptical shape, therefore can make flexible bearing (14) and flexbile gear (16) also become elliptical shape; Firm wheel (15) is the rigid annulus with ring gear, flexbile gear (16) and just wheel (15) are engaged by profile of tooth, firm wheel (15) is coordinated with motor housing (1) by buckle, back end cover for motor (5), motor housing (1) and firm wheel (15) are pressed on by uniform turnbuckle (11) in the concave station on chamber upper plate, top (17), simultaneously to just taking turns (15) circumferential location;
Flexbile gear (16) is arranged on flexbile gear bearing (20), the flexbile gear bearing (20) having a keyway to be connected with output shaft (23) by flat key (39) and to transmit power, the sleeve (19) that flexbile gear bearing (20) top is provided with is conducted oneself with dignity for support motor part, middle part is provided with taper roll bearing (22) and lower taper roll bearing (24) to output shaft (23), upper taper roll bearing (22) withstands in motion counter-force counter balance pocket (36) by backing plate (21), lower taper roll bearing (24) outer ring withstands on counter balance pocket end cap (25), counter balance pocket end cap (25) is connected in motion counter-force counter balance pocket (36), motion counter-force counter balance pocket (36) be welded on the carrying cylinder (38) pushed up in chamber lower plate (37) and be connected,
Screw rod is made in described output shaft (23) front end, output shaft (23) screw portion and one encloses planetary roller (27) and engages, planetary roller (27) two supports is on a pair support ring (29), planetary roller (27) can be rotated along own axes circumference, support ring (29) is bearing on upper bracket (35) and undersetting (28) respectively, whole feed screw nut part leading screw upper cover plate (34) and leading screw lower cover (32) are encapsulated in leading screw shell (26), and leading screw shell (26) is fixed with slide block (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140761.7A CN103962423B (en) | 2014-04-09 | 2014-04-09 | A kind of servo direct driving type harmonic drive spiral bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410140761.7A CN103962423B (en) | 2014-04-09 | 2014-04-09 | A kind of servo direct driving type harmonic drive spiral bender |
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| Publication Number | Publication Date |
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| CN103962423A CN103962423A (en) | 2014-08-06 |
| CN103962423B true CN103962423B (en) | 2016-01-20 |
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| CN201410140761.7A Expired - Fee Related CN103962423B (en) | 2014-04-09 | 2014-04-09 | A kind of servo direct driving type harmonic drive spiral bender |
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| BE1026941B1 (en) * | 2019-01-16 | 2021-02-10 | Univ Shaanxi Technology | A spiral servo press with an adjustable thread |
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