CN112935046A - Servo electronic press based on planet roller lead screw - Google Patents
Servo electronic press based on planet roller lead screw Download PDFInfo
- Publication number
- CN112935046A CN112935046A CN202110098894.2A CN202110098894A CN112935046A CN 112935046 A CN112935046 A CN 112935046A CN 202110098894 A CN202110098894 A CN 202110098894A CN 112935046 A CN112935046 A CN 112935046A
- Authority
- CN
- China
- Prior art keywords
- screw
- servo
- planetary roller
- electric cylinder
- guide sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- 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
Abstract
The invention provides a servo electronic press based on a planetary roller screw, which comprises a lower support frame, an electric cylinder fixing frame, an upper section frame, a servo control system, a planetary roller screw servo electric cylinder and a pressed workpiece, wherein the top of the lower support frame is connected with the upper section frame, the middle part of the lower support frame is connected with the electric cylinder fixing frame, the upper part of the electric cylinder fixing frame is connected with the planetary roller screw servo electric cylinder, and the lower part of the electric cylinder fixing frame is used for placing the pressed workpiece; the planetary roller screw servo electric cylinder comprises a servo motor, a motor supporting seat, a planetary roller screw, a screw sleeve, an outer guide sleeve and a pressing hammer, wherein the planetary roller screw comprises a screw rod shaft, a nut and a plurality of rollers; and the servo control system controls the pressing hammer to lift and keep away from or press the pressed workpiece. The invention has more thread contact points, greatly improves rated dynamic load and static load, and has the outstanding advantages of strong shock resistance, high response speed, stable transmission, high bearing capacity, high transmission precision, high transmission efficiency, long service life and the like.
Description
Technical Field
The invention belongs to the technical field of metal plastic forming, and particularly relates to a servo electronic press based on a planetary roller screw.
Background
The servo electronic press machine has wide application field and higher production efficiency as modern plastic forming equipment, and the press machine applies strong pressure to a metal blank to enable the metal to generate plastic deformation and fracture to be processed into a part, so that the servo electronic press machine can be widely applied to processes of cutting, punching, blanking, bending, riveting, forming and the like. The servo electronic press machine has the highest numerical control level and is used most widely, the development is very rapid, and the response speed, the bearing capacity, the impact resistance, the use safety and the like of the servo electronic press machine are more and more important to research, so that the improvement of the running speed, the bearing capacity, the impact resistance and the safety performance of the servo electronic press machine has important significance.
At present, the servo electronic press is mainly used for realizing surface contact through trapezoidal thread screw transmission and ball screw transmission, the friction force is large, parts are easy to wear, the transmission efficiency is low, the energy consumption is very high, and the product quality is unstable. Although the existing ball screw servo electronic press has the advantages of high transmission precision, high transmission efficiency, long service life and the like, because the ball screw has low bearing capacity and poor dynamic and static rigidity, and a circulating device is required for a mechanism, the transient response is slow, the noise is very high in occasions needing high-speed operation, and the temperature rise is fast. It is therefore necessary to design a servo-electronic press based on a planetary roller screw.
Disclosure of Invention
In view of the above, the invention aims to provide a servo electronic press based on a planetary roller screw, which has more thread contact points, greatly improves rated dynamic load and static load, and has the outstanding advantages of strong impact resistance, high response speed, stable transmission, high bearing capacity, high transmission precision, high transmission efficiency, long service life and the like.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a servo electronic press based on a planetary roller screw comprises a lower support frame, an electric cylinder fixing frame, an upper section frame, a servo control system, a planetary roller screw servo electric cylinder and a pressed workpiece, wherein the top of the lower support frame is connected with the upper section frame, the middle of the lower support frame is connected with the electric cylinder fixing frame, the upper part of the electric cylinder fixing frame is connected with the planetary roller screw servo electric cylinder, and the lower part of the electric cylinder fixing frame is used for placing the pressed workpiece; the planetary roller screw servo electric cylinder comprises a servo motor, a motor supporting seat, a planetary roller screw, a screw sleeve, an outer guide sleeve and a pressing hammer, wherein the planetary roller screw comprises a screw shaft, a nut and a plurality of rollers, the screw shaft is arranged in the nut and is coaxially arranged, and the plurality of rollers are uniformly arranged between the screw shaft and the nut along the circumferential direction;
the servo motor is connected with the outer guide sleeve through a motor support seat, an output shaft of the servo motor extends into the outer guide sleeve and is connected with a screw rod shaft through a diaphragm coupling, the screw rod sleeve is fixedly connected with a nut, a key groove used for placing a guide flat key is formed in the outer wall surface of the screw rod sleeve, correspondingly, a guide groove matched with the guide flat key is formed in the inner wall surface of the outer guide sleeve, the bottom of the screw rod sleeve extends out of the bottom of the outer guide sleeve and is arranged, the press hammer is fixedly connected with the bottom of the screw rod sleeve, and the bottom of the outer guide sleeve is connected to an electric cylinder fixing frame; the servo control system is arranged on the side face of the lower support frame and controls the lifting of a pressing hammer of the planetary roller screw servo electric cylinder to keep away from or press a pressed workpiece.
Furthermore, the planetary roller screw further comprises two roller holder pressing plates, two roller holders and two inner gear rings which are symmetrically sleeved on the screw shaft, the roller holder pressing plates axially limit the roller holders and the inner gear rings, optical axes at two ends of the rollers are respectively and rotatably connected with inner holes of the roller holders at two ends, the rollers are simultaneously meshed with the screw shaft and the nut, gears at two ends of the rollers are simultaneously meshed with the screw shaft threads and the inner gear rings, and the two inner gear rings are coaxially connected with the screw shaft and fastened on end faces at two sides of the nut through screws.
Further, the motor supporting seat comprises a supporting seat body and an outer extending cylinder of the motor supporting seat, the outer extending cylinder of the motor supporting seat penetrates through the center of the supporting seat body and is integrally formed with the supporting seat body, and the excircle of the cylinder surface of the outer extending cylinder of the motor supporting seat is coaxially matched with the inner hole of the outer guide sleeve.
Furthermore, a pair of tapered roller bearings is arranged on the screw rod shaft, the two tapered roller bearings are connected through an adjusting ring, the end face of one tapered roller bearing is in close contact with the end face of the round nut and the end face of the outer cylinder of the motor supporting seat, and the end face of the other tapered roller bearing is limited by the inner wall face of the outer guide sleeve.
Furthermore, a first stepped shaft inner hole and a second stepped shaft inner hole are processed in the inner wall of the outer guide sleeve, the first stepped shaft inner hole is arranged at the middle upper part of the outer guide sleeve, the second stepped shaft inner hole is arranged at the middle lower part of the outer guide sleeve, the end face of the first stepped shaft inner hole limits the end face of another tapered roller bearing, and the end face of the second stepped shaft inner hole limits the top end face of the lead screw sleeve.
Furthermore, gears and threads are simultaneously machined at two ends of the rollers within a certain width range, and the rollers are respectively and simultaneously meshed with the inner gear ring and the screw rod shaft threads, so that the rollers are ensured to be axially parallel.
Furthermore, the number of the rollers is 6-12.
Furthermore, two ends of the outer guide sleeve are respectively connected with the motor supporting seat and the electric cylinder fixing frame through a flange plate.
Furthermore, the main part of lower carriage is formed by welding square pipe, and the middle equipartition has three welding square pipes to be connected with the electric cylinder mount, and the top is connected with last section bar frame through two steel sheets.
Furthermore, universal wheels are arranged at the bottom of the lower support frame.
Compared with the prior art, the servo electronic press based on the planetary roller screw has the following advantages:
the invention adopts the transmission of the planetary roller screw, when in work, the output shaft of the motor transmits the torque to the screw shaft through the coupler, the axial force on the screw shaft is counteracted through the tapered roller bearing, the screw sleeve is fixedly connected with the planetary roller screw and is guided through the guide flat key on the sleeve, thereby driving the dynamic pressure hammer to move up and down and operating the pressed workpiece. Compared with the traditional trapezoidal thread transmission, the novel trapezoidal thread transmission has more thread contact points, greatly improves rated dynamic load and static load, has stable transmission, high efficiency, long service life and strong impact resistance, and has quicker response, higher efficiency, larger bearing capacity, smaller noise and stronger impact resistance compared with the ball screw transmission.
According to the invention, the outer extending cylinder surface of the motor supporting seat is coaxially matched with the inner hole of the outer guide sleeve, so that the transmission stability of the roller screw is improved, and the operation safety of equipment is improved through the limiting effect of the end surface of the inner hole of the outer guide sleeve; generally, the invention greatly improves the bearing capacity, the impact resistance, the transmission precision, the transmission efficiency and the transmission stability of the servo electronic press, and can effectively ensure the safety of the equipment in the operation process.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a general block diagram of a servo electronic press based on a planetary roller screw according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a planetary roller screw servo electric cylinder of a planetary roller screw based servo electronic press according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a motor support seat of a servo electronic press based on a planetary roller screw according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a screw sleeve of a servo electronic press based on a planetary roller screw according to an embodiment of the invention;
FIG. 5 is a schematic diagram of an exploded structure of a planetary roller screw of a servo electronic press based on the planetary roller screw according to an embodiment of the invention;
FIG. 6 is a schematic structural diagram of an inner gear ring of a servo electronic press based on a planetary roller screw according to an embodiment of the invention;
FIG. 7 is a schematic diagram of a roller structure of a servo electronic press based on a planetary roller screw according to an embodiment of the invention;
fig. 8 is a schematic structural diagram of a nut of a planetary roller screw of a servo electronic press based on the planetary roller screw according to an embodiment of the invention.
Description of reference numerals:
1-lower support frame, 2-electric cylinder fixing frame, 3-servo control system, 4-planetary roller screw servo electric cylinder, 5-upper section frame, 6-pressed workpiece, 7-servo motor, 8-motor supporting seat, 9-diaphragm coupling, 10-round nut, 11-tapered roller bearing, 12-adjusting ring, 13-screw sleeve, 14-planetary roller screw, 15-guide flat key, 16-outer guide sleeve, 17-press hammer, 18-screw shaft, 19-roller retainer pressing plate, 20-roller retainer, 21-inner gear ring, 22-roller and 23-nut.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1-8, a servo electronic press based on a planetary roller screw comprises a lower support frame 1, an electric cylinder fixing frame 2, an upper section frame 5, a servo control system 3, a planetary roller screw servo electric cylinder 4 and a pressed workpiece 6, wherein the top of the lower support frame 1 is connected with the upper section frame 5, the middle of the lower support frame 1 is connected with the electric cylinder fixing frame 2, the upper part of the electric cylinder fixing frame 2 is connected with the planetary roller screw servo electric cylinder 4, and the lower part of the electric cylinder fixing frame 2 is used for placing the pressed workpiece 6; the planetary roller screw servo electric cylinder 4 comprises a servo motor 7, a motor supporting seat 8, a planetary roller screw 14, a screw sleeve 13, an outer guide sleeve 16 and a pressing hammer 17, wherein the planetary roller screw 14 comprises a screw shaft 18, a nut 23 and a plurality of rollers 22, the screw shaft 18 is arranged in the nut 23 and is coaxially arranged, and the plurality of rollers 22 are uniformly arranged between the screw shaft 18 and the nut 23 along the circumferential direction;
the servo motor 7 is connected with an outer guide sleeve 16 through a motor support seat 8, an output shaft of the servo motor 7 extends into the outer guide sleeve 16 and is connected with a screw shaft 18 through a diaphragm coupling 9, the screw sleeve 13 is fixedly connected with a nut 23, a key groove used for placing a guide flat key 15 is formed in the outer wall surface of the screw sleeve 13, correspondingly, a guide groove matched with the guide flat key 15 is formed in the inner wall surface of the outer guide sleeve 16, the bottom of the screw sleeve 13 extends out of the bottom of the outer guide sleeve 16, a press hammer 17 is fixedly connected with the bottom of the screw sleeve 13, and the bottom of the outer guide sleeve 16 is connected to an electric cylinder fixing frame 2; the servo control system 3 is supported on the side surface of the lower support frame 1 through a connecting rod, and the servo control system 3 controls the lifting of a pressing hammer 17 of the planetary roller screw servo electric cylinder 4 to be far away from or tightly press the pressed workpiece 6.
In addition, the servo control system mentioned in the embodiments of the present invention refers to an existing control system, and mainly controls the rotation of the servo motor, and the detailed structure and working principle thereof are not described herein again.
The planetary roller screw 14 further comprises two roller holder pressing plates 19, two roller holders 20 and two inner gear rings 21 which are symmetrically sleeved on the screw shaft 18, wherein the two roller holder pressing plates 19 are located on the outermost side, the two inner gear rings 21 are located on the innermost side, the roller holder pressing plates 19 axially limit the roller holders 20 and the inner gear rings 21, optical axes at two ends of the rollers 22 are respectively and rotatably connected with inner holes of the roller holders 20 at two ends, the rollers 20 are simultaneously meshed with the screw shaft 18 and the nut 23 through threads, gears at two ends of the rollers 22 are simultaneously meshed with the screw shaft 18 through threads and the inner gear rings 21, and the two inner gear rings 21 are coaxially connected with the screw shaft 18 and are fastened on end faces at two sides of the nut.
The motor supporting seat 8 comprises a supporting seat body and an outer extending cylinder of the motor supporting seat, the outer extending cylinder of the motor supporting seat penetrates through the center of the supporting seat body and is integrally formed with the supporting seat body, and the cylindrical surface excircle of the outer extending cylinder of the motor supporting seat is coaxially matched with the inner hole of the outer guide sleeve 16.
A pair of tapered roller bearings 11 are arranged on the screw shaft 18, the two tapered roller bearings 11 are connected through an adjusting ring 12, the end face of one tapered roller bearing is tightly contacted with the end face of the round nut 10 and the end face of the outer cylinder of the motor supporting seat, the end face of the other tapered roller bearing is limited by the inner wall face of the outer guide sleeve 16, and the arrangement ensures that the axial force on the screw shaft 18 can be transmitted to the outer guide sleeve 16. The round nut 10 and the adjusting ring 12 are used for adjusting the gap between the two tapered roller bearings 11, and the two tapered roller bearings 11 bear axial force and radial force together.
The inner wall of the outer guide sleeve 16 is provided with a first stepped shaft inner hole and a second stepped shaft inner hole, the first stepped shaft inner hole is arranged at the middle upper part of the outer guide sleeve 16, the second stepped shaft inner hole is arranged at the middle lower part of the outer guide sleeve 16, the end surface of the first stepped shaft inner hole limits the end surface of another tapered roller bearing, and the end surface of the second stepped shaft inner hole limits the top end surface of the lead screw sleeve 13, so that the limiting effect is achieved, and the safety in the operation process of equipment is ensured.
Gears and threads are simultaneously machined on both ends of the rollers 22 within a certain width range, and the rollers 22 are simultaneously meshed with the inner gear ring 21 and the screw shaft 18 threads respectively to ensure that the rollers 22 are axially parallel.
The screw shaft 18, the roller 22 and the nut 23 are provided with threads in the same rotating direction, the threads on the screw shaft 18 and the nut 23 are multi-start threads, the number of the thread starts is equal, the threads on the roller 22 are single-start threads, and the number of the rollers 22 is 6-12; the optical axes of the two ends of the rollers 22 are mounted in the roller holder 20, ensuring that the rollers 22 are evenly distributed between the screw shaft 18 and the nut 23.
And two ends of the outer guide sleeve 16 are respectively connected with the motor supporting seat 8 and the electric cylinder fixing frame 2 through a flange plate, and the connection is reliable and reliable. The main part of lower carriage 1 is formed by welding square pipe, and the centre equipartition has three welding square pipes to be connected with electric cylinder mount 2, and the top is connected with upper sectional material frame 5 through two steel sheets.
The universal wheel is arranged at the bottom of the lower support frame 1, is in contact with the ground and can be moved to a storage area when not in use.
The screw sleeve 13 is provided with a keyway for receiving a guide flat key 15, the guide flat key 15 cooperating with a keyway in the outer guide sleeve 16 to ensure that the planetary roller screw nut 23 can only move axially in the outer guide sleeve 16.
When the press machine works, the servo control system 3 controls the servo motor 7 to rotate, the servo motor 7 drives the screw shaft 18 to rotate by transmitting torque through the diaphragm coupling 9, the screw sleeve 13 is connected with the planetary roller screw nut 23 through the bolt, and the rotation of the screw sleeve 13 is limited by utilizing the matching effect of the guide flat key 15 on the screw sleeve 13 and the key groove of the outer guide sleeve 16, so that the planetary roller screw nut 23 can only axially move and does not rotate. Under the drive of the screw shaft 18, the roller 22 rotates around the axis of the roller 22 and performs planetary motion around the axis of the screw shaft 18, and because the rotational motion of the planetary roller screw nut 23 is limited, the roller 22 can only drive the planetary roller screw nut 23 to perform axial movement, so that the lifting motion of the screw sleeve 13 and the press hammer 17 is realized, the operation on the pressed workpiece 6 is further realized, the lifting of the planetary roller screw servo electric cylinder 4 is controlled by the servo control system 3, the axial force borne by the press hammer 17 is transmitted to the outer guide sleeve 16 through the screw shaft 18 and the tapered roller bearing 11, and finally the load is transmitted to the lower support frame 1 through the electric cylinder fixing frame 2.
Compared with the traditional trapezoidal thread transmission, the planetary roller screw has high efficiency, long service life and strong impact resistance; compared with ball screw transmission, the transmission device has the advantages of faster response, higher efficiency, larger bearing capacity, lower noise and stronger impact resistance. The outer extending cylinder surface of the motor supporting seat is coaxially matched with the inner hole of the outer guide sleeve, so that the transmission stability of the roller screw is improved, and the operation safety of the equipment is ensured through the limiting effect of the inner hole end surface of the outer guide sleeve.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a servo electron press based on planet roller lead screw which characterized in that: the device comprises a lower support frame (1), an electric cylinder fixing frame (2), an upper section bar frame (5), a servo control system (3), a planetary roller screw servo electric cylinder (4) and a pressed workpiece (6), wherein the top of the lower support frame (1) is connected with the upper section bar frame (5), the middle part of the lower support frame (1) is connected with the electric cylinder fixing frame (2), the upper part of the electric cylinder fixing frame (2) is connected with the planetary roller screw servo electric cylinder (4), and the lower part of the electric cylinder fixing frame is used for placing the pressed workpiece (6); the planetary roller screw servo electric cylinder (4) comprises a servo motor (7), a motor support seat (8), a planetary roller screw (14), a screw sleeve (13), an outer guide sleeve (16) and a press hammer (17), wherein the planetary roller screw (14) comprises a screw shaft (18), a nut (23) and a plurality of rollers (22), the screw shaft (18) is arranged in the nut (23) and coaxially arranged, and the plurality of rollers (22) are uniformly arranged between the screw shaft (18) and the nut (23) along the circumferential direction;
the servo motor (7) is connected with an outer guide sleeve (16) through a motor support seat (8), an output shaft of the servo motor (7) extends into the outer guide sleeve (16) and is connected with a screw rod shaft (18) through a diaphragm coupling (9), the screw rod sleeve (13) is fixedly connected with a nut (23), a key groove for placing a guide flat key (15) is formed in the outer wall surface of the screw rod sleeve (13), correspondingly, a guide groove matched with the guide flat key (15) is formed in the inner wall surface of the outer guide sleeve (16), the bottom of the screw rod sleeve (13) extends out of the bottom of the outer guide sleeve (16) to be arranged, a press hammer (17) is fixedly connected with the bottom of the screw rod sleeve (13), and the bottom of the outer guide sleeve (16) is connected to an electric cylinder fixing frame (2); the servo control system (3) is arranged on the side face of the lower support frame (1), and the servo control system (3) controls the lifting of a pressing hammer (17) of the planetary roller screw servo electric cylinder (4) to be far away from or press a pressed workpiece (6).
2. A servo electronic press based on a planetary roller screw according to claim 1, characterized in that: the planetary roller screw (14) further comprises two roller holder pressing plates (19), two roller holders (20) and two inner gear rings (21) which are symmetrically sleeved on the screw shaft (18), the roller holder pressing plates (19) axially limit the roller holders (20) and the inner gear rings (21), optical axes at two ends of the rollers (22) are respectively and rotatably connected with inner holes of the roller holders (20) at two ends, the rollers (20) are simultaneously meshed with threads of the screw shaft (18) and the nuts (23), gears at two ends of the rollers (22) are simultaneously meshed with the screw shaft (18) threads and the inner gear rings (21), and the two inner gear rings (21) are coaxially connected with the screw shaft (18) and are fastened on end faces at two sides of the nuts (23) through screws.
3. A servo electronic press based on a planetary roller screw according to claim 1, characterized in that: the motor supporting seat (8) comprises a supporting seat body and an outer extending cylinder of the motor supporting seat, the outer extending cylinder of the motor supporting seat penetrates through the center of the supporting seat body and is integrally formed with the supporting seat body, and the outer circle of the cylinder surface of the outer extending cylinder of the motor supporting seat is coaxially matched with the inner hole of the outer guide sleeve (16).
4. A planetary roller screw based servo electronic press according to claim 3, characterized in that: a pair of tapered roller bearings (11) is arranged on the screw rod shaft (18), the two tapered roller bearings (11) are connected through an adjusting ring (12), the end face of one tapered roller bearing is in close contact with the end face of the round nut (10) and the end face of the outer cylinder of the motor supporting seat, and the end face of the other tapered roller bearing is limited by the inner wall face of the outer guide sleeve (16).
5. A servo electronic press based on a planetary roller screw according to claim 4, characterized in that: the inner wall of the outer guide sleeve (16) is provided with a first stepped shaft inner hole and a second stepped shaft inner hole, the first stepped shaft inner hole is arranged at the middle upper part of the outer guide sleeve (16), the second stepped shaft inner hole is arranged at the middle lower part of the outer guide sleeve (16), the end surface of the first stepped shaft inner hole limits the end surface of another tapered roller bearing, and the end surface of the second stepped shaft inner hole limits the top end surface of the lead screw sleeve (13).
6. A servo electronic press based on a planetary roller screw according to claim 2, characterized in that: gears and threads are simultaneously machined at two ends of the rollers (22) within a certain width range, and the rollers (22) are respectively meshed with the inner gear ring (21) and the threads of the screw rod shaft (18) at the same time, so that the rollers (22) are ensured to be axially parallel.
7. A servo electronic press based on a planetary roller screw according to claim 1, characterized in that: the number of the rollers (22) is 6-12.
8. A servo electronic press based on a planetary roller screw according to claim 1, characterized in that: and two ends of the outer guide sleeve (16) are respectively connected with the motor supporting seat (8) and the electric cylinder fixing frame (2) through a flange plate.
9. A planetary roller screw based servo electronic press according to any of claims 1-8, characterized in that: the main body of the lower support frame (1) is formed by welding square pipes, three square pipes are evenly distributed in the middle and connected with the electric cylinder fixing frame (2), and the top of the lower support frame is connected with the upper section frame (5) through two steel plates.
10. A planetary roller screw based servo electronic press according to claim 9, characterized in that: the bottom of the lower support frame (1) is provided with universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098894.2A CN112935046B (en) | 2021-01-25 | 2021-01-25 | Servo electronic press based on planet roller lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110098894.2A CN112935046B (en) | 2021-01-25 | 2021-01-25 | Servo electronic press based on planet roller lead screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112935046A true CN112935046A (en) | 2021-06-11 |
| CN112935046B CN112935046B (en) | 2022-10-21 |
Family
ID=76236585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110098894.2A Active CN112935046B (en) | 2021-01-25 | 2021-01-25 | Servo electronic press based on planet roller lead screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112935046B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940112A (en) * | 2022-04-29 | 2022-08-26 | 东北林业大学 | Fully-electric automobile tail plate based on planet roller screw electric cylinder and working method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH686817A5 (en) * | 1992-03-04 | 1996-07-15 | Grob Ernst Fa | Apparatus and method for producing an at least internally profiled straight or slanting to Werkstueckachse hollow Werkstuecks. |
| DE102010024584A1 (en) * | 2010-06-22 | 2011-12-22 | Schaeffler Technologies Gmbh & Co. Kg | Drive device for press, has linear drive roller that is attached to plunger of press, and planetary linear drive roller formed on linear drive roller is directly connected with rotor of electromotor |
| CN103785719A (en) * | 2014-02-18 | 2014-05-14 | 西安交通大学 | Electromagnetic driving servo bending machine with planetary pin roller screw for transmission |
| CN103802343A (en) * | 2014-01-17 | 2014-05-21 | 西安交通大学 | Two-way horizontal servo pressure machine for transmission of planet roller lead screw |
| CN103921464A (en) * | 2014-04-18 | 2014-07-16 | 西安交通大学 | Helical-tooth few tooth difference planetary gear transmission electric servo screw press |
| CN103939427A (en) * | 2014-04-02 | 2014-07-23 | 西安交通大学 | Double-acting servo pressure cylinder for press machine |
| CN105057432A (en) * | 2015-08-31 | 2015-11-18 | 西安交通大学 | Hydraulic extension cushion with planetary roller screw driven by alternating-current servo synchronous motor |
| CN206186402U (en) * | 2016-11-21 | 2017-05-24 | 杭州泰尚机械有限公司 | Servo press of high accuracy |
| CN206656926U (en) * | 2017-04-20 | 2017-11-21 | 东北林业大学 | The bituminous cements cryogenic property test equipment of repacking |
| CN209888213U (en) * | 2019-01-16 | 2020-01-03 | 陕西理工大学 | Screw servo press with randomly controllable screw pitch |
| DE102018131166A1 (en) * | 2018-12-06 | 2020-06-10 | Johannes Hülshorst | Fineblanking press |
| US20200269537A1 (en) * | 2018-06-12 | 2020-08-27 | Gebr. Schmidt Fabrik für Feinmechanik GmbH & Co. KG | Press |
-
2021
- 2021-01-25 CN CN202110098894.2A patent/CN112935046B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH686817A5 (en) * | 1992-03-04 | 1996-07-15 | Grob Ernst Fa | Apparatus and method for producing an at least internally profiled straight or slanting to Werkstueckachse hollow Werkstuecks. |
| DE102010024584A1 (en) * | 2010-06-22 | 2011-12-22 | Schaeffler Technologies Gmbh & Co. Kg | Drive device for press, has linear drive roller that is attached to plunger of press, and planetary linear drive roller formed on linear drive roller is directly connected with rotor of electromotor |
| CN103802343A (en) * | 2014-01-17 | 2014-05-21 | 西安交通大学 | Two-way horizontal servo pressure machine for transmission of planet roller lead screw |
| CN103785719A (en) * | 2014-02-18 | 2014-05-14 | 西安交通大学 | Electromagnetic driving servo bending machine with planetary pin roller screw for transmission |
| CN103939427A (en) * | 2014-04-02 | 2014-07-23 | 西安交通大学 | Double-acting servo pressure cylinder for press machine |
| CN103921464A (en) * | 2014-04-18 | 2014-07-16 | 西安交通大学 | Helical-tooth few tooth difference planetary gear transmission electric servo screw press |
| CN105057432A (en) * | 2015-08-31 | 2015-11-18 | 西安交通大学 | Hydraulic extension cushion with planetary roller screw driven by alternating-current servo synchronous motor |
| CN206186402U (en) * | 2016-11-21 | 2017-05-24 | 杭州泰尚机械有限公司 | Servo press of high accuracy |
| CN206656926U (en) * | 2017-04-20 | 2017-11-21 | 东北林业大学 | The bituminous cements cryogenic property test equipment of repacking |
| US20200269537A1 (en) * | 2018-06-12 | 2020-08-27 | Gebr. Schmidt Fabrik für Feinmechanik GmbH & Co. KG | Press |
| DE102018131166A1 (en) * | 2018-12-06 | 2020-06-10 | Johannes Hülshorst | Fineblanking press |
| CN209888213U (en) * | 2019-01-16 | 2020-01-03 | 陕西理工大学 | Screw servo press with randomly controllable screw pitch |
Non-Patent Citations (1)
| Title |
|---|
| 詹长书等: "东北冰雪路面微波除冰技术探讨", 《林业机械与木工设备》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114940112A (en) * | 2022-04-29 | 2022-08-26 | 东北林业大学 | Fully-electric automobile tail plate based on planet roller screw electric cylinder and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112935046B (en) | 2022-10-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202877995U (en) | Double nut driven type ball screw assembly feeding mechanism | |
| CN112935046B (en) | Servo electronic press based on planet roller lead screw | |
| CN114871822B (en) | Centrifugal force-free cutting device | |
| CN111299323B (en) | Double-rotating-shaft type electric servo flexible skew rolling mill | |
| JP2007071248A (en) | Power transmission device for forklift | |
| CN102922354B (en) | Friction wheel traction transmission cycloidal processing device | |
| CN102490065A (en) | Static combined bearing for screw rod | |
| CN212238619U (en) | Double-rotating-shaft electric servo flexible skew rolling mill | |
| CN202861869U (en) | Friction wheel traction transmission cycloid machining device | |
| CN212044188U (en) | Quick-replacement grinding wheel structure of motor | |
| CN220560974U (en) | Roll squeezer main shaft production processingequipment | |
| CN206509368U (en) | It is a kind of to roll the swinging position-limit mechanism of conically shaped and its veneer reeling machine of application | |
| CN2169723Y (en) | Non rotary high speed through hole motive oil cylinder | |
| CN216490093U (en) | Driving structure of hydraulic pipe fitting machining tool | |
| CN104759924A (en) | Friction wheel traction transmission planetary machining knife handle | |
| CN214455843U (en) | Heavy pneumatic safety chuck | |
| CN112775365B (en) | Differential planet roller screw pair annular groove nut rolling device and process | |
| CN216200191U (en) | Coaxial dual-output transmission mechanism | |
| CN207770728U (en) | A kind of electric screw press screw rod guiding mechanism | |
| CN209830147U (en) | Rolling device for three-row cylindrical roller bearing ring forge piece | |
| CN109500158A (en) | A kind of adjustable gradual four-roll plate bending machine of radius of curvature | |
| CN217072000U (en) | Grinding machine screw rod driving structure | |
| CN212144634U (en) | Feeding device for boring of horizontal lathe | |
| CN111872314B (en) | Gantry type heavy expanding and forging machine set | |
| CN219357538U (en) | Stamping equipment for half-shaft gear forgings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |