CN104564584B - The machine of driving unit and the fast turn-around with this driving unit - Google Patents
The machine of driving unit and the fast turn-around with this driving unit Download PDFInfo
- Publication number
- CN104564584B CN104564584B CN201410674520.0A CN201410674520A CN104564584B CN 104564584 B CN104564584 B CN 104564584B CN 201410674520 A CN201410674520 A CN 201410674520A CN 104564584 B CN104564584 B CN 104564584B
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- CN
- China
- Prior art keywords
- machine
- radial piston
- driving unit
- piston machine
- torque
- 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.)
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- 238000005259 measurement Methods 0.000 claims description 2
- 230000036316 preload Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/047—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
- F04B1/047—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders
- F04B1/0474—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders with two or more serially arranged radial piston-cylinder units
- F04B1/0476—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the outer ends of the cylinders with two or more serially arranged radial piston-cylinder units located side-by-side
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Press Drives And Press Lines (AREA)
- Hydraulic Motors (AREA)
Abstract
The present invention relates to driving unit and the machine of the fast turn-around with this driving unit.A kind of fluid pressure drive device of variable speed is disclosed, the machine of fast turn-around for example press machine is used for.It is with torque synchronous electric motor and radial piston machine.Electric motor has high torque (HT) in the case.Additionally, radial piston machine has low quality and high conveying efficiency.
Description
Technical field
The present invention relates to a kind of driving units of the feature of preamble according to claim 1 and one kind with this
The machine of the fast turn-around of driving unit.
Background technique
In the prior art, the machine of fast turn-around is in the form of press machine or step rush machine and it is known that the machine of the fast turn-around
Device is driven using the hydraulic pump of variable speed.Used hydraulic pump is for example configured to fast turn-around in the case thus
Piston or gear pump.The hydraulic load supply pressure that hydraulic pump is used for for example hydraulic cylinder of the machine for fast turn-around is situated between
Matter.It is usually provided with the throttle control device with throttle valve in order to control the hydraulic load.The shortcomings that this machine is throttling
Expense in terms of the equipment and technology of control is high.
Summary of the invention
In contrast, the task that the present invention is based on be propose a kind of machine for fast turn-around in equipment and technology side
The driving unit of face simple construction.Another task of the invention be propose it is a kind of with this driving unit on equipment and technology
The machine of the fast turn-around of simple construction.
The task is in terms of driving unit according to the features of claim 1 and in the machine context of fast turn-around according to power
Benefit requires 10 feature to solve.
Other favourable improvement schemes of the invention are the themes of other dependent claims.
According to the present invention, the driving unit provided with the electric motor triggered with variable speed.The electric motor with
Hydraulic radial piston machine connection, thus it can pass through electrical motor driven.Radial piston machine is used to control in the case
The especially hydraulic load of the machine of fast turn-around.Advantageously, electric motor has high torque.Additionally design,
Radial piston machine has the small quality being able to rotate and high transfer efficiency.For the drive unit to have high torque (HT)
Variable speed the electric motor that triggers and the radial piston machine with small quality and high transfer efficiency be combined with each other, so as to
Thus hydraulic load is controlled.
The solution has the advantages that the quality and height of the small movement due to radial piston machine and electric motor
Transfer efficiency has obtained the high dynamic of hydraulic driving device driven by the drive unit.If such as the liquid of press machine
Cylinder pressure is set as hydraulic driving device, then utilizes driving unit according to the present invention, and the pendulum motion of hydraulic cylinder is arrived 10
It is reflected in the centimeter range between circulation time between 15ms.Thus provide the variable speed of a kind of high dynamic and robust
Driving device of the driving unit as hydraulic cylinder.Scheme known in the prior art, press machine or step rush machine to pump so far
Regulative mode setting, has no to achieve so far in terms of the dynamics and service life or stability of the hydraulic press used for this purpose.
In this way, can not achieve enough dynamics due to the large inertia mass of the hydraulic machine so far.If by traditional gear
Pump be used as hydraulic machine, then gear pump due to its sliding bearing short service life and insufficient stability.If such as will pass
The piston pump of system is used as hydraulic machine, then there is the piston pump extremely small rotating speed to change possibility.By according to the present invention
Therefore driving unit realizes that the pump of the machine of fast turn-around is adjusted in a simple manner.It is controlled therefore no longer using the throttling of throttle valve
Necessity thus reduces the expense on equipment and technology.Due to there is no throttle control device to also improve energy efficiency.Relative to machine
The solution of electricity, such as main shaft, driving unit according to the present invention have relatively low cost and high stability.Therefore,
Driving unit according to the present invention totally has high energy efficiency, high dynamic and high robustness.
Advantageously, the torque-motor of especially microrunning is set as electric motor.(such as can be entitled Rexroth
The torque-motor of MRT)
High torque hydraulic motor can be set as radial piston machine.It is (e.g. entitled hereinCA's
Motor.)
The transfer efficiency of radial piston machine is preferably between 1 to 5 liters every turn.It may also be considered that between 3 to 5 liters every turn
Transfer efficiency.
In a further expansion scheme of the present invention, the diameter of electric motor and the diameter of radial piston machine are similar, so that
Form compact unit.Preferably, the diameter is essentially equal.
In order to improve compactness, the machine case that the stroke ring of radial piston machine can form radial piston machine is especially cast
The integrated component part of shell.
Preferably, radial piston machine has the piston of the big figure of setting in the rotor.For example, can be set about or just
16 pistons.An additional advantage is that piston is respectively provided with relatively short stroke.In addition, the arranging of radial piston machine is to rotor
The cam of stroke ring can have relatively small radius of curvature, thus provide precipitous stroke ring.These measures cause good
The space in compact unit is utilized well and thereby realizes high delivered volume.Therefore the structure space of radial piston machine is filled
Divide and utilize, so that radial piston machine has delivered volume as high as possible and at the same time being compactly built as far as possible.Relative to height
Delivered volume advantageously relatively light rotor.
Advantageously, the suction side of radial piston machine is pre-tightened.Alternatively, or in addition, radial piston machine is arranged in preload
Closure circuit in.This be removed the reset spring of the piston for radial piston machine can, thus further
Reduce the weight of radial piston machine or the rotating mass of radial piston machine.This leads to the higher dynamic of radial piston machine again
Property.Cavitation can also be avoided by pre-tightening.
The measurement torque of torque-motor is preferably 280 between 570Nm.The torque capacity of torque-motor can about exist
620 between 1250Nm.It may also be considered that, this unusually significantly larger and for example, 4000Nm.
The machine especially press machine of the fast turn-around with driving unit according to the present invention arranged according to the present invention or
Step rushes machine.Advantageously, which can preferably implement to be greater than 400 strokes per minute in the case where power is greater than 100kN.It can also
Consider, which implements about 900 strokes per minute in the case where power is about 300kN.Preferably, fast turn-around
Machine there is hydraulic cylinder, which is driven by driving unit.Hydraulic cylinder is, for example, punching cylinder.In the machine of fast turn-around
It is middle therefore extremely advantageous using driving unit according to the present invention, because can for example cancel throttle control device.
Detailed description of the invention
Hereinafter, preferred embodiments will be described in detail with reference to the attached drawings.In the accompanying drawings:
Fig. 1 shows the perspective of the radial piston machine of the driving unit according to the present invention of embodiment according to the present invention
Figure；
Fig. 2 shows the electric motor of driving unit according to this embodiment with vertical section；And
Fig. 3 illustrates in perspective view the interception part of the amplification of the radial piston machine in Fig. 1.
Specific embodiment
According to figures 1 and 2 show that driving unit according to the present invention component.Fig. 1 shows radial direction in the case
The radial piston machine of 1 form of piston pump.Fig. 2 shows the electric motor of 2 form of torque-motor overly simplifiedly.The electric motor
For driving the radial piston pump 1 in Fig. 1.The torque-motor 2 of microrunning has high torque in the case, wherein radial
Piston pump is constructed so that it with the small quality being able to rotate and has high transfer efficiency.Drive unit with such components
Make it with high dynamic, advantageously thus for example to control press machine or to walk the hydraulic cylinder for the machine that rushes.Press machine with it is hydraulic
Cylinder is schematically shown as a block in Fig. 1 together and is provided with appended drawing reference 4.
Radial piston pump 1 has feed-in connector 6, discharge connector 8 and leaky junction 10.It is with 12 form of cast housing
Machine case, the machine case are formed simultaneously the stroke ring 14 of radial piston pump 1.Radial piston pump 1 is passed through by frame 16
Its 12 position of cast housing is fixedly arranged.
According to Fig. 3, radial piston pump 1 sees the rotor 18 to 24 being successively arranged with multiple in the axial direction.These
Rotor is arranged at each interval in the axial direction in common drive shaft 26, the drive shaft in a not shown manner with the power of Fig. 2
Square motor 2 connects.Each rotor 18 has multiple especially 16 pistons 28.They are respectively in radial directions slidably in rotor 18
It is guided into 24 corresponding piston hole.The piston 28 of each rotor 18 to 24 is arranged on partial circuit in the case and has
There is extremely short stroke.Although nonetheless such big number of the piston of each rotor 18 to 24 results in the situation small in stroke
Under there are still high transfer efficiency, the transfer efficiency is for example to the radial piston pump 1 in total between 3 to 51/ turn.Multiple work
The short stroke of plug 28 and each piston 28 also results in the extremely compact ground structure although its transfer efficiency is relatively high of radial piston pump 1
It builds.The stroke space of radial piston machine is for example in 500 and 3142cm3Between.Revolving speed can be greater than 500 revs/min.
According to Fig. 3, the stroke ring 14 for each rotor 18 to 24 has multiple cams 30.Such as each rotor 18 to 24
Ten cams 30 can be constructed and they are arranged on partial circuit.Cam 30 steeply constructs in the case, this into
One step is conducive to the compact constructing plan of radial piston pump 1.
Radial piston pump 1 is driven as front has been illustrated by torque-motor 2, and the torque-motor is according to fig. 2 extremely
Simplifiedly show.Torque-motor 2 has stator 32 comprising rotor 34.Rotor 34 in a not shown manner with the driving on Fig. 3
Axis 26 connects.Torque-motor 2 is, for example, the Rexroth Indradyn model for being 251 with structure size.
A kind of fluid pressure drive device of variable speed is disclosed, the machine of fast turn-around for example press machine is used for.The liquid
Hydraulic driver has torque synchronous electric motor and radial piston machine, such asMotor CAsmall.Electronic horse
Up in the case with high torque (HT).Additionally, radial piston machine has small quality and high transfer efficiency.
List of numerals
1 radial piston pump
2 torque-motors
4 have the press machine of hydraulic cylinder
6 feed-in connectors
8 discharge connectors
10 leaky junctions
12 cast housings
14 stroke rings
16 frames
18 rotors
20 rotors
22 rotors
24 rotors
26 drive shafts
28 pistons
30 cams
32 stators
34 rotors
Claims (8)
1. driving unit, with the electric motor (2) that revolving speed can be triggered alternatively, the hydraulic radial piston of the electrical motor driven
Machine (1), the radial piston machine is for controlling hydraulic load, which is characterized in that the electric motor (2) has relatively high
Torque, and the radial piston machine (1) has the relatively small quality being able to rotate in the case of relatively high conveying efficiency,
Wherein the electric motor (2) is torque-motor (2), wherein the conveying capacity of the radial piston machine (1) is in 1 to 5 liters every turn
Between, wherein the measurement torque of the torque-motor (2) is between 280 and 570Nm and/or the torque-motor (2)
Torque capacity is 620 between 1250Nm.
2. driving unit according to claim 1, wherein the radial piston machine (1) is high torque hydraulic pump.
3. driving unit according to claim 1 or 2, wherein the electric motor (2) and the radial piston machine (1)
Diameter is essentially equal.
4. driving unit according to claim 1 or 2, wherein the stroke ring (14) of the radial piston machine (1) forms institute
State the integrated component part of the machine case (12) of radial piston machine (1).
5. driving unit according to claim 1 or 2, wherein being set in the rotor (18-24) of the radial piston machine (1)
Relatively great amount of piston is set, and wherein these pistons (28) are respectively provided with relatively short stroke, and the wherein radial direction
The arranging of piston machine (1) has a relatively small radius of curvature to the cam (30) of the stroke ring (14) of the rotor (18-24).
6. driving unit according to claim 1 or 2, wherein the suction side preload or described of the radial piston machine (1)
Radial piston machine (1) forms a kind of a part of the hydraulic circuit of preloaded closure.
7. the machine of fast turn-around, with driving unit according to one of the above claims, wherein the machine is in power
Implement per minute >=400 strokes in the case where greater than 100kN.
8. machine according to claim 7, which provided hydraulic cylinder, the hydraulic cylinder is driven by driving unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310221410 DE102013221410A1 (en) | 2013-10-22 | 2013-10-22 | Drive unit and high-speed machine with such a drive unit |
| DE102013221410.3 | 2013-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564584A CN104564584A (en) | 2015-04-29 |
| CN104564584B true CN104564584B (en) | 2019-07-16 |
Family
ID=52775147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410674520.0A Active CN104564584B (en) | 2013-10-22 | 2014-10-21 | The machine of driving unit and the fast turn-around with this driving unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104564584B (en) |
| DE (1) | DE102013221410A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014226236A1 (en) | 2014-09-29 | 2016-03-31 | Robert Bosch Gmbh | Hydraulic circuit and machine with a hydraulic circuit |
| ITUB20155952A1 (en) * | 2015-11-26 | 2017-05-26 | Settima Meccanica S R L ? Soc A Socio Unico | Improved radial piston displacement pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2009309375A1 (en) * | 2008-10-30 | 2010-05-06 | Swissinnov Product Sarl | A volumetric pump and its driving mechanism |
| DE102009000580A1 (en) * | 2009-02-03 | 2010-08-05 | Robert Bosch Gmbh | Hydraulic unit for controlling the brake pressure of an electronically slip-controllable vehicle brake system |
| EP2436918A1 (en) * | 2010-09-29 | 2012-04-04 | Salzgitter Maschinenbau AG, | Hydraulic radial piston motor |
| CN102803728A (en) * | 2010-03-16 | 2012-11-28 | 株式会社医器研 | Rotary cylinder device |
| DE102013202543A1 (en) * | 2012-03-08 | 2013-09-12 | Robert Bosch Gmbh | Hydraulic radial piston machine |
-
2013
- 2013-10-22 DE DE201310221410 patent/DE102013221410A1/en not_active Ceased
-
2014
- 2014-10-21 CN CN201410674520.0A patent/CN104564584B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2009309375A1 (en) * | 2008-10-30 | 2010-05-06 | Swissinnov Product Sarl | A volumetric pump and its driving mechanism |
| DE102009000580A1 (en) * | 2009-02-03 | 2010-08-05 | Robert Bosch Gmbh | Hydraulic unit for controlling the brake pressure of an electronically slip-controllable vehicle brake system |
| CN102803728A (en) * | 2010-03-16 | 2012-11-28 | 株式会社医器研 | Rotary cylinder device |
| EP2436918A1 (en) * | 2010-09-29 | 2012-04-04 | Salzgitter Maschinenbau AG, | Hydraulic radial piston motor |
| DE102013202543A1 (en) * | 2012-03-08 | 2013-09-12 | Robert Bosch Gmbh | Hydraulic radial piston machine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013221410A1 (en) | 2015-04-23 |
| CN104564584A (en) | 2015-04-29 |
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