CN101376159B - Electric screw press - Google Patents
Electric screw press Download PDFInfo
- Publication number
- CN101376159B CN101376159B CN2008102001802A CN200810200180A CN101376159B CN 101376159 B CN101376159 B CN 101376159B CN 2008102001802 A CN2008102001802 A CN 2008102001802A CN 200810200180 A CN200810200180 A CN 200810200180A CN 101376159 B CN101376159 B CN 101376159B
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- CN
- China
- Prior art keywords
- motor
- pinion
- clutch
- flywheel
- screw press
- 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.)
- Expired - Fee Related
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Abstract
The invention relates to an electric screw press machine which comprises a motor base, a first motor, a fry wheel which horizontally rotates a small gear, a second motor and a clutch. The outer edge of the fry wheel is gear-shaped; the small gear is meshed with the fry wheel; the first motor is connected with the small gear; and the second motor is arranged on the motor base and connected with the small gear by the clutch. By controlling the closing and the separation of the clutch and the small gear, the screw press machine can not only reasonably distribute energy, but also accelerate the rotating fry wheel in a short time, thereby causing that a sliding block has a higher hitting speed, the power of a motor is reduced, and the energy-saving effect is achieved.
Description
Technical field
The present invention relates to a kind of fly press, particularly electric screw press.
Background technology
Traditional electric screw press is that pinion is connected with a joggle with the flywheel that is processed into a gear wheel on the servomotor with being installed in, and flywheel is connected with screw rod, and screw rod is formed screw thread pair with the nut that is installed in the slide block.Directly drive the flywheel rotation by the servomotor that is installed on the fuselage, move up and down with driving slide block.Realize the default of blow energy by the rotating speed of control servomotor,,, can control the blow energy that obtains to preset by microcomputer owing to adopt servomotor that kinetic energy is provided by the strike and the rise that realizes the lathe slide block that turn to of control servomotor.But the acceleration because each strike flywheel is always started from scratch of this machine so the acceleration of slide block is restricted, be difficult to obtain higher blow speed, so energy consumption is bigger.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of electric screw press, can quicken rotary flyweights at short notice, makes slide block that higher blow speed be arranged, to overcome existing defective in the prior art.
The present invention is by the following technical solutions:
A kind of electric screw press, comprise support, first motor and the flywheel that horizontally rotates, described flywheel outer rim is a gear-like, also comprise pinion with the flywheel engagement, described first motor is connected with the lower end of pinion, and described flywheel rotation drives slide block by worm drive and moves up and down, it is characterized in that: also comprise second motor on the described support, second motor is connected with the upper end of pinion by clutch; When slide block moved downward, clutch engaged with pinion.
The present invention adopts two motors, and wherein, second motor can break away from closed with pinion by clutch, can replenish kinetic energy to flywheel when clutch is closed.During work, start second motor earlier, driven by motor clutch rotation cumulative, in the time of the rotation of the closed driving of clutch flywheel, first electrical power, jointly to flywheel provide kinetic energy by first motor and second motor of working before always this moment, and flywheel speed can reach quite high rotating speed at short notice, has improved the blow speed of slide block.When slide block down promptly forges to the stroke end when will finish, throw-out-of clutch continues to rotate with the energy that reassembles.This moment, slide block continued to come downwards to the forging end by the inertia of flywheel and the effect of first motor.The counter-rotating of first motor, slide block gos up to the precalculated position, finishes a working cycles.
Compared with prior art, being used of second motor and clutch can increase flywheel energy to obtain bigger blow speed in good time; Finish once strike when slide block and prepare, when not needing so big energy, the clutch disconnection is connected with pinion, is closed next time continuation energy storage.The present invention is by the closed of solenoidoperated cluthes and pinion and break away from, can the reasonable distribution energy, and can make slide block that higher blow speed be arranged to the rotary flyweights acceleration in short-term in again, reduce by first power of motor, reach energy-saving effect.
Preferably, also comprise overload-release clutch, described first motor is connected with pinion by overload-release clutch.
Preferably, also comprise the brake of braking pinion, described brake is located on the support.When slide block goes back up to predetermined altitude, the outage of first motor, thereby brake braking pinion braking flywheel.
Preferably, described first motor is a switched reluctance machines.This motor whole efficiency exceeds at least 10% than other governing systems, and starts 200% o'clock that changes apart from reaching specified commentaries on classics distance, and starting current only is 10% of a rated current.And can Fraquent start or rotating switching.
Preferably, also comprise gear-box, described flywheel and pinion are located in the gear-box; Described second motor and brake are fixed on the gear-box.
Preferably, brake and clutch are installed in the upper end of described pinion; Overload-release clutch is installed in the lower end of pinion.
Preferably, described pinion has a plurality of, is symmetrically arranged on the circumferencial direction of flywheel.
Description of drawings
Fig. 1 is a right view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a vertical view of the present invention.
The specific embodiment
As Figure 1-3, a gear-box 5 is installed above support 9, pinion 3 rotatable being located in the gear-box 5.The outer rim of pressure flywheel 4 is processed into a gear wheel, with pinion 3 engagements.Pinion 3 can have even numbers, along the circumferential direction be symmetrically set in flywheel 4 around, see Fig. 3, pinion 3 has two.The lower end of pinion 3 is connected with first motor 7 by overload-release clutch 6.The upper end of pinion 3 is equipped with brake 2 and clutch 1.Brake 2 is fixed on the gear-box 5, and clutch 1 is fixed on the pinion shaft, and by second motor, 8 driven rotary that are installed on the gear-box 5, preferably, second motor 8 is selected common motor for use, can be connected or break away from pinion 3 by clutch 1.Flywheel 4 is connected with screw rod 12, and screw rod 12 is formed screw pairs with nut 11 with being installed in the crossbeam, and screw rod 12 lower ends are rotationally connected by plane bearing 13 and slide block 10.Pinion 3 drives flywheel 4 rotations, realizes moving up and down of slide block 10 by screw rod 12.First motor 7 is fixed on the support 9, and by overload-release clutch 6 connection pinions 3, preferably, first motor 7 adopts switched reluctance motor, and this motor is a kind of rotor biconvex electrode structure, stator and rotor all use common magnet steel electricity to be overrided to form, rotor does not have winding and permanent magnet, is wound with concentrated winding on the stator, and this kind motor whole efficiency exceeds at least 10% than other governing systems, and starting is changeed apart from 200% o'clock that reaches specified commentaries on classics distance, and starting current only is 10% of a rated current.And can Fraquent start and stop, and rotating be switched.When load during in short-term much larger than nominal load, rotating speed can descend, and keeps peak power output, over-current phenomenon avoidance can not occur.And can realize the stepless adjustment of numeral setting rotating speed.
Operation principle of the present invention is: at first start common motor (second motor 8) and drive clutch 1 rotation to assemble certain energy, kinetic energy when replenishing switched reluctance motor (first motor 7) starting, make flywheel 4 in very short time, reach quite high rotating speed, to improve the blow speed of slide block 10.Can reduce by first motor, 7 power like this, reach energy-saving effect.
Starting common motor (second motor 8) during work makes clutch 1 rotation cumulative, and when clutch 1 closed driving flywheel 4 rotated, switched reluctance motor (first motor 7) was switched on simultaneously, also drives flywheel 4 rotations simultaneously, makes slide block 10 descending.Promptly forge before slide block 10 comes downwards to the stroke end when closing to an end, clutch 1 is thrown off the continuation rotation with the energy that reassembles.This moment, slide block 10 continued to come downwards to the forging end by the inertia of flywheel 4 and the effect of switched reluctance machines, the switched reluctance motor counter-rotating, and slide block 10 gos up to the precalculated position, finishes a working cycles.
The present invention by solenoidoperated cluthes 1 with the closed of pinion 3 and break away from, can the reasonable distribution energy, can in short-term in, quicken again rotary flyweights 4, make slide block 10 that higher blow speed be arranged, the reduction power of motor reaches energy-saving effect.
Claims (7)
1. electric screw press, comprise support, first motor and the flywheel that horizontally rotates, described flywheel outer rim is a gear-like, also comprise pinion with the flywheel engagement, described first motor is connected with the lower end of pinion, and described flywheel rotation drives slide block by worm drive and moves up and down, it is characterized in that: also comprise second motor on the described support, second motor is connected with the upper end of pinion by clutch; When slide block moved downward, clutch engaged with pinion.
2. electric screw press according to claim 1 is characterized in that: also comprise overload-release clutch, described first motor is connected with pinion by overload-release clutch.
3. electric screw press according to claim 2 is characterized in that: also comprise the brake of braking pinion, described brake is located on the support.
4. electric screw press according to claim 3 is characterized in that: described first motor is a switched reluctance machines.
5. electric screw press according to claim 4 is characterized in that: also comprise gear-box, described flywheel and pinion are located in the gear-box; Described second motor and brake are fixed on the gear-box.
6. electric screw press according to claim 5 is characterized in that: brake and clutch are installed in the upper end of described pinion; Overload-release clutch is installed in the lower end of pinion.
7. electric screw press according to claim 6 is characterized in that: described pinion has a plurality of, is symmetrically arranged on the circumferencial direction of flywheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102001802A CN101376159B (en) | 2008-09-19 | 2008-09-19 | Electric screw press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102001802A CN101376159B (en) | 2008-09-19 | 2008-09-19 | Electric screw press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101376159A CN101376159A (en) | 2009-03-04 |
| CN101376159B true CN101376159B (en) | 2010-12-08 |
Family
ID=40419987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102001802A Expired - Fee Related CN101376159B (en) | 2008-09-19 | 2008-09-19 | Electric screw press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101376159B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302216B (en) * | 2012-03-10 | 2016-12-07 | 王苗 | Engine drive-type bidirectional screw forcing press |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2169077C2 (en) * | 1999-05-25 | 2001-06-20 | Воронежское ЗАО по выпуску тяжелых механических прессов | Screw press with coupling type drive mechanism |
-
2008
- 2008-09-19 CN CN2008102001802A patent/CN101376159B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2169077C2 (en) * | 1999-05-25 | 2001-06-20 | Воронежское ЗАО по выпуску тяжелых механических прессов | Screw press with coupling type drive mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101376159A (en) | 2009-03-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101208 Termination date: 20170919 |