CN103302884A - Servo direct-driven power head for press machine - Google Patents
Servo direct-driven power head for press machine Download PDFInfo
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- CN103302884A CN103302884A CN2013101938043A CN201310193804A CN103302884A CN 103302884 A CN103302884 A CN 103302884A CN 2013101938043 A CN2013101938043 A CN 2013101938043A CN 201310193804 A CN201310193804 A CN 201310193804A CN 103302884 A CN103302884 A CN 103302884A
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- permanent magnet
- eccentric shaft
- magnetic flow
- switch magnetic
- frame
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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 molding's equipment, be specifically related to a kind of forcing press servo direct driving formula unit head.
Background technology
Forcing press commonly used has experienced the development course of DC servo motor, AC servo motor, switched reluctance machines and horizontal magnetic field motor with servomotor.Last century, the seventies, DC servo-motor was widely used in plant equipment, but because motor itself exists complicated in mechanical structure, maintenance workload large, easily generate heat at the running rotor, easily affect the shortcomings such as precision of connected plant equipment, be difficult to be applied to high speed and jumbo occasion, wherein, mechanical commutator more becomes the bottleneck of DC servo drive technical development, thereby it does not have effective combination of formation and forcing press.AC servomotor has overcome 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 has been realized the good combination with forcing press, and the servo-pressing machine on the market is nearly all take AC servomotor as drive force source now.But the speed adjusting performance of AC servomotor is still remarkable not, is difficult to satisfy the Production requirement of Multifunctional press.Switched reluctance machines is a kind of novel buncher that nearly 20 years development are got up, have simple and reliable, can be in wider rotating speed and torque range efficiently operation, four mutually operations, fast response time and low cost and other advantages.In recent years, more domestic colleges and universities and enterprise begin with regard to the application start research and extension work of switched reluctance machines in the forcing press industry, and the servo-pressing machine that the part switched reluctance machines drives at home many units drops into trial run.But the shortcoming that this motor exposes such as torque exist than great fluctuation process, vibration greatly, and system is non-linear, the height of controlling cost, and low grade of power density not yet can be properly settled.More recent application is horizontal magnetic field motor in the servomotor of forcing press at present, this motor is with circuit and magnetic circuit decoupling zero, design freedom improves greatly, also have power variable, control flexibly, the winding utilization advantages of higher, be particularly suitable for vulgar, large torque, directly drive the field.But owing to the reason such as complex structure, power factor be lower, this motor still fails to be applied to the 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 driving formula unit head, unit head is by the switch magnetic flow permanent magnet motor-driven, electric machine structure is simple, reliability is strong, speed governing and heat dispersion excellent, unit head adopts the servo direct driving technology, simple for structure, transmission efficiency is high, be active in one's movements and cost lower.
In order to achieve the above object, the technical scheme taked of the present invention is:
A kind of forcing press servo direct driving formula unit head, comprise frame 1, two sidewalls of frame 1 are provided with through hole, pair of switches magnetic flow permanent magnet motor 2 cooperates by the bolt symmetry by the through hole with frame 1 and is installed in frame 1 both sides, hollow eccentric shaft mechanism 3 is installed in the frame 1, the axle head of hollow eccentric shaft mechanism 3 both sides inserts in the switch magnetic flow permanent magnet motor 2 and by thrust and connects, linkage 4 is installed on the eccentric shaft part at hollow eccentric shaft mechanism 3 middle parts, slide block mechanism 5 is positioned at linkage 4 belows, the two connects by pin, guiding mechanism 6 is installed on the frame 1 of linkage 4 belows, slide block mechanism 5 slides up and down in guiding mechanism 6, linkage 4, guiding mechanism 6 is converted into the rotation of hollow eccentric shaft mechanism 3 rectilinear motion of slide block mechanism 5, there is auxiliary piping mechanism 7 in switch magnetic flow permanent magnet motor 2 outsides, be used 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 frame 1 on the through hole face of cylinder of cooperate installing use installing hole with being connected, bolt is installed in switch magnetic flow permanent magnet motor 2 on the frame 1 after passing installing hole, shell 202 is barrel-shaped, outer surface is provided with axial radiation tooth, drive end bearing bracket 201, rear end cap 208 is provided with and cooperates the face of cylinder of installing with shell 202 inwalls and be installed in shell 202 both sides, 201 of shell 202 and drive end bearing brackets are located by pin, stay bolt 203 passes through hole on the rear end cap 208, and connection drive end bearing bracket 201 screwed holes, thereby clamp shell 202, stator 204 is installed in shell 202 middle parts by interference fit, both sides and end cap leave distance, stator 204 is overrided to form by axially grooved silicon steel sheet, be provided with permanent magnet 217 in the square groove of stator 204, adjacent permanent magnet 217 magnetic poles are opposite, three-phase wire 218 twines along the adjacent dovetail groove of stator 204 is directed, it is identical that each organizes three-phase wire 218 number of turns, direction is corresponding with permanent magnet 217, all three-phase wires 218 are drawn by rear end cap 208 wire holes, wire hole shell 214 is installed on rear end cap 208 wire holes, rotor 205 is overrided to form by the flute profile silicon steel sheet, be positioned at stator 204 inner and axially align with it, quill shaft 206 is provided with non-circular shaft part, cooperate installation with corresponding aperture on the rotor 205, drive end bearing bracket 201, rear end cap 208 is provided with fore bearing 215 and rear bearing 209, support and location quill shaft 206,205 of rear bearing 209 and rotors are provided with sleeve 207, quill shaft 206 is provided with one section accurately machined inner surface, cooperate with the axle head of hollow eccentric shaft mechanism 3, be arranged at the expansion connecting sleeve 216 of quill shaft 206 ends with the two clamping, switch magnetic flow permanent magnet motor 2 uses the rotary transformer 211 record anglecs of rotation, rotary transformer 211 rotating parts and joint adapter sleeve 213 are sleeved on motor quill shaft 206 afterbodys, 213 pairs of rotary transformer 211 rotating parts location of joint adapter sleeve, the 3rd end cap 210 is installed on the rear end cap 208, compress rotary transformer 211 standing parts, rotary transformer 211 holding wires are drawn by rear end cap 208 Top Leading-out Holes, swivel joint 212 rotating parts are installed on the joint adapter sleeve 213, and standing part connects outside auxiliary piping mechanism 7.
After being connected with hollow eccentric shaft mechanism 3, the quill shaft 206 of described switch magnetic flow permanent magnet motor 2 forms a fluid passage, cooling medium injects swivel joint 212 from auxiliary piping mechanism 7, through quill shaft 206 and hollow eccentric shaft mechanism 3, flow out from quill shaft 206 afterbodys 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 are stronger.Institute's invention unit head is by the switch magnetic flow permanent magnet motor-driven, and speed adjustable range is wider than AC servo motor, can steady operation in the above 2-4 of rated speed times speed, simultaneously, permanent magnet is joined in the motor, and the stability of operation is better than switched reluctance machines, so that system has possessed extremely strong flexibility.Rotor design is that profile of tooth, permanent magnet and triple line coil are arranged in the rotary inertia that mode that stator, motor shaft be designed to the special constructions such as quill shaft and motor direct-drive master work structuring has farthest reduced system, so that the speed governing of system and controllability improve greatly.
2) the switch magnetic flow permanent magnet electric machine structure is succinct, and reliability is high.But the present invention has adopted extrusion modling aluminum shell; Adopt the unique and effective type of cooling such as air cooling and the cooling of hollow shaft cooling medium; Replaced common grating encoder with more reliable rotary transformer; Permanent magnet and coil are arranged in stator, avoid it to come off.Above design is so that system architecture is succinct, and is with low cost, Reliability Enhancement.
Description of drawings
Fig. 1 is general structure schematic diagram of the present invention.
Fig. 2 is switch magnetic flow permanent magnet motor 2 structures of the present invention and connection diagram.
Fig. 3 is the A-A cutaway view of Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail.
Referring to Fig. 1, a kind of forcing press comprises frame 1 with servo direct driving formula unit head, and two sidewalls of frame 1 are provided with through hole, pair of switches magnetic flow permanent magnet motor 2 cooperates by the bolt symmetry by the through hole with frame 1 and is installed in frame 1 both sides, so that entire system is symmetrical.Hollow eccentric shaft mechanism 3 is installed in the frame 1, and the axle head of its both sides inserts in the switch magnetic flow permanent magnet motor 2 and by thrust and connects, thereby the moment of torsion that motor is produced is delivered on linkage 4 and the slide block mechanism 5.Linkage 4 is installed on the eccentric shaft part at hollow eccentric shaft mechanism 3 middle parts, slide block mechanism 5 is positioned at linkage 4 belows, the two connects by pin, guiding mechanism 6 is installed on the frame of linkage 4 belows, slide block mechanism 5 slides up and down in guiding mechanism 6, linkage 4, guiding mechanism 6 are converted into the rotation of hollow eccentric shaft mechanism 3 rectilinear motion of slide block mechanism 5, thereby realize impulse stroke.There is auxiliary piping mechanism 7 in switch magnetic flow permanent magnet motor 2 outsides, are used for the swivel joint 212 of floatless switch magnetic flow permanent magnet motor 2, and pass into and draw cooling medium.
Referring to Fig. 2 and Fig. 3, described switch magnetic flow permanent magnet motor 2, comprise drive end bearing bracket 201, which is provided with frame 1 on the through hole face of cylinder of cooperate installing use installing hole with being connected, bolt is installed in switch magnetic flow permanent magnet motor 2 on the frame 1 after passing installing hole, shell 202 adopts aluminum, have good in the magnetic effect, be barrel-shaped, outer surface is provided with axial radiation tooth, can adopt extrusion process production, with low cost, drive end bearing bracket 201, rear end cap 208 is provided with and cooperates the face of cylinder of installing with shell 202 inwalls and be installed in its both sides, 201 of shell 202 and drive end bearing brackets are located by pin, stay bolt 203 passes through hole on the rear end cap 208, and connects drive end bearing bracket 201 screwed holes, thereby clamps shell 202.Stator 204 is installed in shell 202 middle parts by interference fit, and both sides and end cap leave distance, is convenient to three-phase wire 218 and twines, and stator 204 is overrided to form by axially grooved silicon steel sheet, establishes 12 grades.Be provided with permanent magnet 217 in the square groove of stator 204; adjacent permanent magnet 217 magnetic poles are opposite; three-phase wire 218 twines along the adjacent dovetail groove of stator 204 is directed; it is identical that each organizes three-phase wire 218 number of turns; direction is corresponding with permanent magnet 217; all three-phase wires 218 are drawn by rear end cap 208 wire holes, and wire hole shell 214 is installed on rear end cap 208 wire holes, play dustproof and protective effect.Rotor 205 is overrided to form by the flute profile silicon steel sheet, be positioned at stator 204 inner and axially align with it, if 10 grades, the flute profile profile is beneficial to generation moment under magnetic fields, be convenient to simultaneously heat radiation, quill shaft 206 is provided with non-circular shaft part, cooperate installation with corresponding aperture on the rotor 205, drive end bearing bracket 201, rear end cap 208 are provided with fore bearing 215 and rear bearing 209, support and location quill shaft 206,205 of rear bearing 209 and rotors are provided with sleeve 207, carry out axial location.Quill shaft 206 is provided with one section accurately machined inner surface, cooperates with the axle head of hollow eccentric shaft mechanism 3, is arranged at the expansion connecting sleeve 216 of quill shaft 206 ends with the two clamping, guarantees to connect effectively.Switch magnetic flow permanent magnet motor 2 uses the rotary transformer 211 record anglecs of rotation, rotary transformer 211 rotating parts and joint adapter sleeve 213 are sleeved on motor quill shaft 206 afterbodys, 213 pairs of rotary transformer 211 rotating parts location of joint adapter sleeve, the 3rd end cap 210 is installed on the rear end cap 208, compress rotary transformer 211 standing parts, rotary transformer 211 holding wires are drawn by rear end cap 208 Top Leading-out Holes, swivel joint 212 rotating parts are installed on the joint adapter sleeve 213, standing part connects outside auxiliary piping mechanism 7, when rotating part rotated with axle, standing part was stable.
Operation principle of the present invention:
When a kind of forcing press is worked with servo direct driving formula unit head, alternating current passes in the switch magnetic flow permanent magnet motor 2 by three-phase wire 218, stator 204 generates an electromagnetic field and drives rotor 205 rotations, and then drive quill shaft 206 and the hollow eccentric shaft mechanism 3 that is connected with its compression rotates, rotatablely move through linkage 4, be converted into the orientation reciprocating motion of slide block mechanism 5 in guiding mechanism 6, thereby realized pressure stroke.
After being connected with hollow eccentric shaft mechanism 3, the quill shaft 206 of switch magnetic flow permanent magnet motor 2 forms a fluid passage, cooling medium injects swivel joint 212 from auxiliary piping mechanism 7, through quill shaft 206 and hollow eccentric shaft mechanism 3, flow out from quill shaft 206 afterbodys of another switch magnetic flow permanent magnet motor 2, reach the effect of cooling.
Claims (3)
1. a forcing press is with servo direct driving formula unit head, comprise frame (1), it is characterized in that: (1) two sidewall of frame is provided with through hole, pair of switches magnetic flow permanent magnet motor (2) cooperates by the bolt symmetry by the through hole with frame (1) and is installed in frame (1) both sides, hollow eccentric shaft mechanism (3) is installed in the frame (1), the axle head of hollow eccentric shaft mechanism (3) both sides inserts in the switch magnetic flow permanent magnet motor (2) and by thrust and connects, linkage (4) is installed on the eccentric shaft part at hollow eccentric shaft mechanism (3) middle part, slide block mechanism (5) is positioned at linkage (4) below, the two connects by pin, guiding mechanism (6) is installed on the frame (1) of linkage (4) below, slide block mechanism (5) slides up and down in guiding mechanism (6), linkage (4), guiding mechanism (6) is converted into the rotation of hollow eccentric shaft mechanism (3) rectilinear motion of slide block mechanism (5), there is auxiliary piping mechanism (7) in switch magnetic flow permanent magnet motor (2) outside, be used 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 according to claim 1 is with servo direct driving formula unit head, it is characterized in that: described switch magnetic flow permanent magnet motor (2), comprise drive end bearing bracket (201), which is provided with the upper through hole of frame (1) cooperates the face of cylinder of installing to use installing hole with being connected, bolt is installed in switch magnetic flow permanent magnet motor (2) on the frame (1) after passing installing hole, shell (202) is barrel-shaped, outer surface is provided with axial radiation tooth, drive end bearing bracket (201), rear end cap (208) is provided with and cooperates the face of cylinder of installing with shell (202) inwall and be installed in shell (202) both sides, located by pin between shell (202) and drive end bearing bracket (201), stay bolt (203) passes the upper through hole of rear end cap (208), and connection drive end bearing bracket (201) screwed hole, thereby clamp shell (202), stator (204) is installed in 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, be provided with permanent magnet (217) in the square groove of stator (204), adjacent permanent magnet (217) magnetic pole is opposite, three-phase wire (218) twines along the adjacent dovetail groove of stator (204) is directed, it is identical that each organizes three-phase wire (218) number of turns, 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 installed on rear end cap (208) wire hole, rotor (205) is overrided to form by the flute profile silicon steel sheet, be positioned at stator (204) inner and axially align with it, quill shaft (206) is provided with non-circular shaft part, cooperate installation with the upper corresponding aperture of rotor (205), drive end bearing bracket (201), rear end cap (208) is provided with fore bearing (215) and rear bearing (209), support and location quill shaft (206), be provided with sleeve (207) between rear bearing (209) and rotor (205), quill shaft (206) is provided with one section accurately machined inner surface, cooperate with the axle head of hollow eccentric shaft mechanism (3), be arranged at the expansion connecting sleeve (216) of quill shaft (206) end with the two clamping, 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, the 3rd end cap (210) is installed on the 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 installed on the joint adapter sleeve (213), and standing part connects outside auxiliary piping mechanism (7).
3. a kind of forcing press according to claim 1 is with servo direct driving formula unit head, it is characterized in that: form a fluid passage after the quill shaft (206) of described switch magnetic flow permanent magnet motor (2) is connected with hollow eccentric shaft mechanism (3), cooling medium injects swivel joint (212) from auxiliary piping mechanism (7), through quill shaft (206) and hollow eccentric shaft mechanism (3), flow out from quill shaft (206) afterbody of another switch magnetic flow permanent magnet motor (2), reach the effect of cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|---|---|
| CN201310193804.3A CN103302884B (en) | 2013-05-22 | 2013-05-22 | Servo direct-driven power head for press machine |
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| CN103302884A true CN103302884A (en) | 2013-09-18 |
| CN103302884B CN103302884B (en) | 2015-02-25 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600940A (en) * | 2015-03-02 | 2015-05-06 | 张志国 | Shell-less motor |
| WO2016062544A1 (en) * | 2014-10-20 | 2016-04-28 | Schuler Pressen Gmbh | Press drive device for a press, and press comprising a press drive device |
| 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 |
| CN108436200A (en) * | 2018-05-13 | 2018-08-24 | 陕西理工大学 | The dual-servo-motor of large pitch nut directly drives helix extrusion device |
| 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 |
| CN110999044A (en) * | 2017-08-01 | 2020-04-10 | 三菱电机株式会社 | Rotation drive device, method for assembling rotation drive device, axial flow blower, method for assembling axial flow blower, and laser oscillation device |
| US10723095B2 (en) | 2014-10-20 | 2020-07-28 | Schuler Pressen Gmbh | Press drive device for a press, and press comprising a press drive device |
| CN111594465A (en) * | 2017-05-30 | 2020-08-28 | Lg电子株式会社 | Motor assembly |
| WO2021095149A1 (en) * | 2019-11-13 | 2021-05-20 | 三菱電機株式会社 | Rotor, rotating electric machine and method of manufacturing rotor |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107107512B (en) * | 2014-10-20 | 2019-06-18 | 许勒压力机有限责任公司 | Press driving device for press machine and the press machine with press driving device |
| WO2016062544A1 (en) * | 2014-10-20 | 2016-04-28 | Schuler Pressen Gmbh | Press drive device for a press, and press comprising a press drive device |
| US10723095B2 (en) | 2014-10-20 | 2020-07-28 | Schuler Pressen Gmbh | Press drive device for a press, and press comprising a press drive device |
| CN107107512A (en) * | 2014-10-20 | 2017-08-29 | 许勒压力机有限责任公司 | Press driving device for forcing press and the forcing press with press driving 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 |
| CN111594465A (en) * | 2017-05-30 | 2020-08-28 | Lg电子株式会社 | Motor assembly |
| CN111594465B (en) * | 2017-05-30 | 2021-07-30 | Lg电子株式会社 | Motor assembly |
| CN110999044A (en) * | 2017-08-01 | 2020-04-10 | 三菱电机株式会社 | Rotation drive device, method for assembling rotation drive device, axial flow blower, method for assembling axial flow blower, and laser oscillation device |
| CN110999044B (en) * | 2017-08-01 | 2022-04-08 | 三菱电机株式会社 | Rotation driving device, axial flow blower, assembling method, and laser oscillation device |
| CN108436200A (en) * | 2018-05-13 | 2018-08-24 | 陕西理工大学 | The dual-servo-motor of large pitch nut directly drives helix extrusion device |
| 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 |
| WO2021095149A1 (en) * | 2019-11-13 | 2021-05-20 | 三菱電機株式会社 | Rotor, rotating electric machine and method of manufacturing rotor |
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| CN103302884B (en) | 2015-02-25 |
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