CN103302884B - Servo direct-driven power head for press machine - Google Patents
Servo direct-driven power head for press machine Download PDFInfo
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- CN103302884B CN103302884B CN201310193804.3A CN201310193804A CN103302884B CN 103302884 B CN103302884 B CN 103302884B CN 201310193804 A CN201310193804 A CN 201310193804A CN 103302884 B CN103302884 B CN 103302884B
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- permanent magnet
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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
- B30B1/26—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 cams, eccentrics, or cranks
- B30B1/266—Drive systems for the cam, eccentric or crank axis
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a servo direct-driven power head for a press machine. A pair of switch magnetic flow permanent magnet motors is mounted on the two sides of a frame symmetrically; a hollow eccentric shaft mechanism is mounted inside the frame; the shaft ends on the two sides of the hollow eccentric shaft mechanism are inserted into the switch magnetic flow permanent magnet motors, and are connected through the pressing force; a link mechanism is mounted on an eccentric shaft section of the middle part of the hollow eccentric shaft mechanism; a sliding block mechanism is positioned below the link mechanism; a guiding mechanism is mounted on the frame below the link mechanism; the sliding block mechanism slides up and down inside the guiding mechanism; the link mechanism and the guiding mechanism convert the rotation of the hollow eccentric shaft mechanism into the rectilinear motion of the sliding block mechanism; an auxiliary pipeline mechanism is arranged outside the switch magnetic flow permanent magnet motors; and hollow shafts of the switch magnetic flow permanent magnet motors are connected with the hollow eccentric shaft mechanism to form a fluid flow passage. According to the invention, the motors have simple structure, high reliability, and excellent speed governing and heat dissipation performance; the power head adopts the servo direct-driven technology, has a concise structure, high transmission efficiency, and quick action, and the cost is comparatively low.
Description
Technical field
The invention belongs to press technologies field in mechanical forming equipment, be specifically related to a kind of forcing press Servo direct-driven power head.
Background technology
Conventional forcing press servomotor experienced by the development course of DC servo motor, AC servo motor, switched reluctance machines and horizontal magnetic field motor.Last century, the seventies, DC servo-motor was widely used in plant equipment, but due to motor itself there is complicated in mechanical structure, maintenance workload is large, easily generate heat at running rotor, the shortcomings such as the precision of the connected plant equipment of easy impact, be difficult to be applied to high speed and jumbo occasion, wherein, mechanical commutator more becomes the bottleneck of DC servo drive technical development, and thus it does not form the effective combination with forcing press.AC servomotor overcomes the various shortcomings that the mechanical parts such as DC servo-motor center brush, commutator bring, and its overload characteristic and low inertia more embody the superiority of AC servo.So AC servo is widely used at industrial automation.From 20 initial stages century 70 later stage to the eighties, AC servomotor achieves the good combination with forcing press, and existing servo-pressing machine is commercially nearly all drive force source with AC servomotor.But the speed adjusting performance of AC servomotor is still remarkable not, is difficult to the Production requirement meeting Multifunctional press.Switched reluctance machines is the novel buncher of one that nearly 20 years development are got up, have simple and reliable, can in wider rotating speed with torque range Effec-tive Function, four run mutually, fast response time and low cost and other advantages.In recent years, more domestic colleges and universities and enterprise start with regard to the application start research and extension work of switched reluctance machines in forcing press industry, and the servo-pressing machine that partial switch reluctance motor drives at home Duo Jia unit drops into trial run.But there is larger fluctuation, vibration greatly in the shortcoming that this motor exposes such as torque, mission nonlinear, height of controlling cost, the low grade of power density not yet can be properly settled.Current more recent application in the servomotor of forcing press be horizontal magnetic field motor, this motor is by circuit and magnetic circuit decoupling zero, design freedom improves greatly, also has power variable, controls flexible, winding utilization advantages of higher, be particularly suitable for vulgar, large torque, Direct driver field.But due to the reason such as complex structure, power factor be lower, this motor still fails to be applied to forcing press field.
The content of invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of forcing press Servo direct-driven power head, unit head is driven by switch magnetic flow permanent magnet motor, electric machine structure is simple, reliability is strong, speed governing and heat dispersion excellent, unit head adopts servo direct driving technology, simple for structure, transmission efficiency is high, be active in one's movements and cost is lower.
In order to achieve the above object, the technical scheme that the present invention takes is:
A kind of forcing press Servo direct-driven power head, comprise frame 1, two sidewalls of frame 1 are provided with through hole, pair of switches magnetic flow permanent magnet motor 2 is arranged on frame 1 both sides by coordinating with the through hole of frame 1 by bolt symmetry, hollow eccentric axis mechanism 3 is arranged in frame 1, the axle head of hollow eccentric axis mechanism 3 both sides to be inserted in switch magnetic flow permanent magnet motor 2 and is connected by thrust, linkage 4 is arranged on the eccentric shaft part in the middle part of hollow eccentric axis mechanism 3, slide block mechanism 5 is positioned at below linkage 4, the two is connected by pin, guiding mechanism 6 is arranged in the frame 1 below linkage 4, slide block mechanism 5 slides up and down in guiding mechanism 6, linkage 4, the translating rotation of hollow eccentric axis mechanism 3 is the rectilinear motion of slide block mechanism 5 by guiding mechanism 6, auxiliary piping mechanism 7 is had outside switch magnetic flow permanent magnet motor 2, for the swivel joint 212 of floatless switch magnetic flow permanent magnet motor 2, and pass into and draw cooling medium.
Described switch magnetic flow permanent magnet motor 2 comprises drive end bearing bracket 201, which is provided with the face of cylinder that to coordinate with through hole in frame 1 and install and be connected with installing hole, switch magnetic flow permanent magnet motor 2 is arranged in frame 1 through after installing hole by bolt, shell 202 is in barrel-shaped, outer surface is provided with axial radiation tooth, drive end bearing bracket 201, rear end cap 208 is provided with the face of cylinder that to coordinate with shell 202 inwall and install and is arranged on shell 202 both sides, located by pin between shell 202 and drive end bearing bracket 201, stay bolt 203 is through through hole on rear end cap 208, and connect drive end bearing bracket 201 screwed hole, thus clamp enclosure 202, stator 204 is arranged in the middle part of shell 202 by interference fit, both sides and end cap leave distance, stator 204 is overrided to form by axially grooved silicon steel sheet, permanent magnet 217 is provided with in the square groove of stator 204, adjacent permanent magnet 217 magnetic pole is contrary, three-phase wire 218 is wound around along the adjacent trapezoidal groove orientation of stator 204, each group of three-phase wire 218 number of turns is identical, direction is corresponding with permanent magnet 217, all three-phase wires 218 are drawn by rear end cap 208 wire hole, wire hole shell 214 is arranged on rear end cap 208 wire hole, rotor 205 is overrided to form by flute profile silicon steel sheet, be positioned at stator 204 inside and axially align with it, quill shaft 206 is provided with non-circular shaft part, coordinate with corresponding aperture on rotor 205 and install, drive end bearing bracket 201, rear end cap 208 is provided with fore bearing 215 and rear bearing 209, support and locate quill shaft 206, sleeve 207 is provided with between rear bearing 209 and rotor 205, quill shaft 206 is provided with one section of accurately machined inner surface, coordinate with the axle head of hollow eccentric axis mechanism 3, the two clamps by the expansion connecting sleeve 216 being arranged at quill shaft 206 end, switch magnetic flow permanent magnet motor 2 uses rotary transformer 211 to record the anglec of rotation, rotary transformer 211 rotating part and joint adapter sleeve 213 are sleeved on motor quill shaft 206 afterbody, joint adapter sleeve 213 pairs of rotary transformer 211 rotating part location, 3rd end cap 210 is arranged on rear end cap 208, compress rotary transformer 211 standing part, rotary transformer 211 holding wire is drawn by rear end cap 208 Top Leading-out Hole, swivel joint 212 rotating part is arranged on joint adapter sleeve 213, swivel joint 212 standing part connects external auxiliary pipeline mechanism 7.
The quill shaft 206 of described switch magnetic flow permanent magnet motor 2 is connected rear formation fluid passage with hollow eccentric axis mechanism 3, cooling medium injects swivel joint 212 from auxiliary piping mechanism 7, through quill shaft 206 and hollow eccentric axis mechanism 3, flow out from quill shaft 206 afterbody of another switch magnetic flow permanent magnet motor 2, reach the effect of cooling.
The present invention has following beneficial effect:
1) system controllability and measurability and flexibility stronger.Institute's invention unit head is driven by switch magnetic flow permanent magnet motor, and speed adjustable range is wider than AC servo motor, can steady operation in the above 2-4 of rated speed times speed, simultaneously, joined by permanent magnet in motor, the stability of operation is better than switched reluctance machines, system is possessed extremely strong flexibility.Rotor design is profile of tooth, permanent magnet and triple line coil is arranged in stator, motor shaft is designed to the special constructions such as quill shaft and the mode of the main work structuring of motor direct-drive farthest reduces the rotary inertia of system, and the speed governing of system and controllability are improved greatly.
2) switch magnetic flow permanent magnet electric machine structure is succinct, and reliability is high.Present invention employs can extruded aluminum shell; Adopt air cooling and the cooling of hollow shaft cooling medium etc. unique and the effective type of cooling; Common grating encoder is substituted for more reliable rotary transformer; Permanent magnet and coil are arranged in stator, avoid it to come off.More than design makes system architecture succinct, with low cost, and reliability improves.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present invention.
Fig. 2 is switch magnetic flow permanent magnet motor 2 structure of the present invention and connection diagram.
Fig. 3 is the A-A sectional view of Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
See Fig. 1, a kind of forcing press Servo direct-driven power head, comprise frame 1, two sidewalls of frame 1 are provided with through hole, pair of switches magnetic flow permanent magnet motor 2 is arranged on frame 1 both sides by coordinating with the through hole of frame 1 by bolt symmetry, makes entire system symmetrically.Hollow eccentric axis mechanism 3 is arranged in frame 1, and the axle head of its both sides to be inserted in switch magnetic flow permanent magnet motor 2 and connected by thrust, thus is delivered on linkage 4 and slide block mechanism 5 by the moment of torsion that motor produces.Linkage 4 is arranged on the eccentric shaft part in the middle part of hollow eccentric axis mechanism 3, slide block mechanism 5 is positioned at below linkage 4, the two is connected by pin, guiding mechanism 6 is arranged in the frame below linkage 4, slide block mechanism 5 slides up and down in guiding mechanism 6, the translating rotation of hollow eccentric axis mechanism 3 is the rectilinear motion of slide block mechanism 5 by linkage 4, guiding mechanism 6, thus realizes impulse stroke.There is auxiliary piping mechanism 7 outside switch magnetic flow permanent magnet motor 2, for the swivel joint 212 of floatless switch magnetic flow permanent magnet motor 2, and pass into and draw cooling medium.
See Fig. 2 and Fig. 3, described switch magnetic flow permanent magnet motor 2, comprise drive end bearing bracket 201, which is provided with the face of cylinder that to coordinate with through hole in frame 1 and install and be connected with installing hole, switch magnetic flow permanent magnet motor 2 is arranged in frame 1 through after installing hole by bolt, shell 202 adopts aluminum, have good in magnetic effect, in barrel-shaped, outer surface is provided with axial radiation tooth, extrusion process can be adopted to produce, with low cost, drive end bearing bracket 201, rear end cap 208 is provided with the face of cylinder that to coordinate with shell 202 inwall and install and is arranged on its both sides, located by pin between shell 202 and drive end bearing bracket 201, stay bolt 203 is through through hole on rear end cap 208, and connect drive end bearing bracket 201 screwed hole, thus clamp enclosure 202.Stator 204 is arranged in the middle part of shell 202 by interference fit, and both sides and end cap leave distance, and be convenient to three-phase wire 218 and be wound around, stator 204 is overrided to form by axially grooved silicon steel sheet, if 12 grades.Permanent magnet 217 is provided with in the square groove of stator 204; adjacent permanent magnet 217 magnetic pole is contrary; three-phase wire 218 is wound around along the adjacent trapezoidal groove orientation of stator 204; each group of three-phase wire 218 number of turns is identical; direction is corresponding with permanent magnet 217; all three-phase wires 218 are drawn by rear end cap 208 wire hole, and wire hole shell 214 is arranged on rear end cap 208 wire hole, plays dust-proof and protective effect.Rotor 205 is overrided to form by flute profile silicon steel sheet, be positioned at stator 204 inside and axially align with it, if 10 grades, flute profile profile is beneficial to generation moment under magnetic fields, is convenient to heat radiation simultaneously, quill shaft 206 is provided with non-circular shaft part, coordinate with corresponding aperture on rotor 205 and install, drive end bearing bracket 201, rear end cap 208 are provided with fore bearing 215 and rear bearing 209, support and locate quill shaft 206, be provided with sleeve 207 between rear bearing 209 and rotor 205, carry out axial location.Quill shaft 206 is provided with one section of accurately machined inner surface, coordinates with the axle head of hollow eccentric axis mechanism 3, and the two clamps by the expansion connecting sleeve 216 being arranged at quill shaft 206 end, ensures to connect effectively.Switch magnetic flow permanent magnet motor 2 uses rotary transformer 211 to record the anglec of rotation, rotary transformer 211 rotating part and joint adapter sleeve 213 are sleeved on motor quill shaft 206 afterbody, joint adapter sleeve 213 pairs of rotary transformer 211 rotating part location, 3rd end cap 210 is arranged on rear end cap 208, compress rotary transformer 211 standing part, rotary transformer 211 holding wire is drawn by rear end cap 208 Top Leading-out Hole, swivel joint 212 rotating part is arranged on joint adapter sleeve 213, swivel joint 212 standing part connects external auxiliary pipeline mechanism 7, when rotating part rotates with axle, standing part is stablized.
Operation principle of the present invention:
When a kind of forcing press Servo direct-driven power head works, alternating current passes in switch magnetic flow permanent magnet motor 2 by three-phase wire 218, stator 204 generates an electromagnetic field and drives rotor 205 to rotate, and then drive quill shaft 206 and the hollow eccentric axis mechanism 3 that is connected with its compression to rotate, rotary motion through linkage 4, be converted into the orientation of slide block mechanism 5 in guiding mechanism 6 and move back and forth, thus achieve pressure stroke.
The quill shaft 206 of switch magnetic flow permanent magnet motor 2 is connected rear formation fluid passage with hollow eccentric axis mechanism 3, cooling medium injects swivel joint 212 from auxiliary piping mechanism 7, through quill shaft 206 and hollow eccentric axis mechanism 3, flow out from quill shaft 206 afterbody of another switch magnetic flow permanent magnet motor 2, reach the effect of cooling.
Claims (3)
1. a forcing press Servo direct-driven power head, comprise frame (1), it is characterized in that: frame (1) two sidewall is provided with through hole, pair of switches magnetic flow permanent magnet motor (2) is arranged on frame (1) both sides by coordinating with the through hole of frame (1) by bolt symmetry, hollow eccentric axis mechanism (3) is arranged in frame (1), the axle head of hollow eccentric axis mechanism (3) both sides to be inserted in switch magnetic flow permanent magnet motor (2) and is connected by thrust, linkage (4) is arranged on the eccentric shaft part at hollow eccentric axis mechanism (3) middle part, slide block mechanism (5) is positioned at linkage (4) below, the two is connected by pin, guiding mechanism (6) is arranged in the frame (1) of linkage (4) below, slide block mechanism (5) slides up and down in guiding mechanism (6), linkage (4), the translating rotation of hollow eccentric axis mechanism (3) is the rectilinear motion of slide block mechanism (5) by guiding mechanism (6), there is auxiliary piping mechanism (7) in switch magnetic flow permanent magnet motor (2) outside, for the swivel joint (212) of floatless switch magnetic flow permanent magnet motor (2), and pass into and draw cooling medium.
2. a kind of forcing press Servo direct-driven power head according to claim 1, it is characterized in that: described switch magnetic flow permanent magnet motor (2), comprise drive end bearing bracket (201), which is provided with through hole upper with frame (1) coordinates the face of cylinder of installing to use installing hole with being connected, switch magnetic flow permanent magnet motor (2) is arranged in frame (1) through after installing hole by bolt, shell (202) is in barrel-shaped, outer surface is provided with axial radiation tooth, drive end bearing bracket (201), rear end cap (208) is provided with the face of cylinder that to coordinate with shell (202) inwall and install and is arranged on shell (202) both sides, located by pin between shell (202) and drive end bearing bracket (201), stay bolt (203) is through the upper through hole of rear end cap (208), and connect drive end bearing bracket (201) screwed hole, thus clamp enclosure (202), stator (204) is arranged on shell (202) middle part by interference fit, both sides and end cap leave distance, stator (204) is overrided to form by axially grooved silicon steel sheet, permanent magnet (217) is provided with in the square groove of stator (204), adjacent permanent magnet (217) magnetic pole is contrary, three-phase wire (218) is wound around along the adjacent trapezoidal groove orientation of stator (204), each group of three-phase wire (218) number of turns is identical, direction is corresponding with permanent magnet (217), all three-phase wires (218) are drawn by rear end cap (208) wire hole, wire hole shell (214) is arranged on rear end cap (208) wire hole, rotor (205) is overrided to form by flute profile silicon steel sheet, be positioned at stator (204) inside and axially align with it, quill shaft (206) is provided with non-circular shaft part, coordinate with the upper corresponding aperture of rotor (205) and install, drive end bearing bracket (201), rear end cap (208) is provided with fore bearing (215) and rear bearing (209), support and locate quill shaft (206), sleeve (207) is provided with between rear bearing (209) and rotor (205), quill shaft (206) is provided with one section of accurately machined inner surface, coordinate with the axle head of hollow eccentric axis mechanism (3), the two clamps by the expansion connecting sleeve (216) being arranged at quill shaft (206) end, switch magnetic flow permanent magnet motor (2) uses rotary transformer (211) the record anglec of rotation, rotary transformer (211) rotating part and joint adapter sleeve (213) are sleeved on motor quill shaft (206) afterbody, joint adapter sleeve (213) is located rotary transformer (211) rotating part, 3rd end cap (210) is arranged on rear end cap (208), compress rotary transformer (211) standing part, rotary transformer (211) holding wire is drawn by rear end cap (208) Top Leading-out Hole, swivel joint (212) rotating part is arranged on joint adapter sleeve (213), swivel joint (212) standing part connects external auxiliary pipeline mechanism (7).
3. a kind of forcing press Servo direct-driven power head according to claim 1, it is characterized in that: after the quill shaft (206) of described switch magnetic flow permanent magnet motor (2) is connected with hollow eccentric axis mechanism (3), form a fluid passage, cooling medium injects swivel joint (212) from auxiliary piping mechanism (7), through quill shaft (206) and hollow eccentric axis mechanism (3), flow out from quill shaft (206) afterbody of another switch magnetic flow permanent magnet motor (2), reach the effect of cooling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310193804.3A CN103302884B (en) | 2013-05-22 | 2013-05-22 | Servo direct-driven power head for press machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310193804.3A CN103302884B (en) | 2013-05-22 | 2013-05-22 | Servo direct-driven power head for press machine |
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| CN103302884A CN103302884A (en) | 2013-09-18 |
| CN103302884B true CN103302884B (en) | 2015-02-25 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014115238B4 (en) * | 2014-10-20 | 2017-02-02 | Schuler Pressen Gmbh | Press drive device for a press and press with press drive device |
| DE102014115240B4 (en) | 2014-10-20 | 2017-08-24 | Schuler Pressen Gmbh | Press drive device for a press and press with press drive device |
| CN104600940A (en) * | 2015-03-02 | 2015-05-06 | 张志国 | Shell-less motor |
| CN106972699A (en) * | 2017-05-13 | 2017-07-21 | 佛山市顺德区华顺电机实业有限公司 | A kind of water cooling and axle water flowing motor |
| KR102306127B1 (en) * | 2017-05-30 | 2021-09-29 | 엘지전자 주식회사 | motor assembly |
| US11274672B2 (en) * | 2017-08-01 | 2022-03-15 | Mitsubishi Electric Corporation | Rotation driving device, method for mounting rotation driving device, axial blower, method for mounting axial blower, and laser oscillator |
| CN108436200B (en) * | 2018-05-13 | 2023-09-01 | 陕西理工大学 | Double-motor servo direct-drive screw extrusion device for large-lead nut |
| CN109849398A (en) * | 2019-01-16 | 2019-06-07 | 陕西理工大学 | A kind of arbitrarily adjustable spiral servo press machine of screw pitch |
| JPWO2021095149A1 (en) * | 2019-11-13 | 2021-11-25 | 三菱電機株式会社 | Rotor, rotary machine and rotor manufacturing method |
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| JP3826785B2 (en) * | 2001-12-25 | 2006-09-27 | 株式会社デンソー | Rotating electric machine |
| GB2428902B (en) * | 2005-08-03 | 2009-04-01 | Imra Europ S A S Uk Res Ct | Salient pole electrical machine |
| GB2450465B (en) * | 2007-03-06 | 2011-03-30 | Imra Europ S A S Uk Res Ct | Switching flux permanent magnet electrical machine |
| CN101602257A (en) * | 2009-07-27 | 2009-12-16 | 吴德滨 | Magneto-electric punching machine |
| CN101860158A (en) * | 2010-05-18 | 2010-10-13 | 哈尔滨工业大学 | Switch magnetic flow permanent magnet synchronous motor |
| CN102593974A (en) * | 2012-03-17 | 2012-07-18 | 中国矿业大学 | Hybrid excitation switched flux motor |
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