CN106438596B - Pendulum rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system - Google Patents
Pendulum rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system Download PDFInfo
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- CN106438596B CN106438596B CN201611176586.2A CN201611176586A CN106438596B CN 106438596 B CN106438596 B CN 106438596B CN 201611176586 A CN201611176586 A CN 201611176586A CN 106438596 B CN106438596 B CN 106438596B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
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Abstract
The present invention relates to a kind of pendulum to roll over slider of hydraulic press actively anti-deflection electrohydraulic control system, including it is left front it is right after two-way valve B, it is right after servo hydraulic cylinder, servo valve behind the right side, intermediate two-way valve B, it is right in servo hydraulic cylinder, it is right in servo valve, two-way valve B before the left back right side, servo hydraulic cylinder before the right side, it is right before servo valve, constant pressure oil source, two-way valve A behind the left front right side, left front servo valve, left front servo hydraulic cylinder, left servo valve, controller, left servo hydraulic cylinder, left back servo valve, left back servo hydraulic cylinder, two-way valve A, intermediate two-way valve A before the left back right side.Advantage is the horizontal attitude that pendulum can accurately be controlled to roll over sliding block in the hydraulic press course of work, actively correct the offset and torsion of sliding block, ensure that pendulum rolles over the positioning accuracy of punch and lower die, improve slide block guide rail stressing conditions, the machining accuracy that pendulum rolles over hydraulic press is promoted, has the characteristics that strong high degree of automation, control accuracy height, anti-rigidity partially, fast response time, integrated level are high.
Description
Technical field
The present invention relates to a kind of pendulum to roll over slider of hydraulic press actively anti-deflection electrohydraulic control system, is related to pendulum and rolles in forging technology
The correction field of sliding block, punch, more particularly to anti-deflection electrichydraulic control field.
Background technology
Pendulum rolles over forging technology using the Sloped rotating mold without guiding, and inclination punch rolles over hydraulic pressure to pendulum in forging process
Machine sliding block forms horizontal direction active force, while the rotation of mold makes torque of the sliding block by horizontal direction, in horizontal applied force
And pendulum rolles over slider of hydraulic press guide rail discontinuity under the action of torque, sliding block shifts, particularly uses in the horizontal direction
It is put in heat and rolles over the hydraulic press of forging technology and employ and adapt to heat expansion and be weakly guided rigidity guide rail, the offset of sliding block is more serious, because
Mold itself is rolled over for pendulum not to be oriented to, the offset of sliding block directly results in punch and lower die positioning is inaccurate, this seriously constrains pendulum and rolles over
The precision of forging processing, it is improvement load born by engine body situation that the correction of pendulum rolling hydraulic press during the work time, which controls, promotes pendulum rolling adds
The key of work level.
Invention content
To solve the above-mentioned problems, the present invention proposes a kind of pendulum and rolles over slider of hydraulic press actively anti-deflection electrichydraulic control system
System, ingenious in design, accurate control pendulum rolles over the horizontal attitude of sliding block in the hydraulic press course of work, actively corrects the offset and torsion of sliding block
Turn, ensure that pendulum rolles over the positioning accuracy of punch and lower die, improve slide block guide rail stressing conditions, promote the processing essence that pendulum rolles over hydraulic press
Degree.
Technical scheme of the present invention：
Pendulum rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, including it is left front it is right after two-way valve B, it is right after servo-fluid
Cylinder pressure, it is right after servo valve, intermediate two-way valve B, it is right in servo hydraulic cylinder, it is right in servo valve, it is left back it is right before two-way valve B, it is right
Preceding servo hydraulic cylinder, it is right before servo valve, constant pressure oil source, it is left front it is right after two-way valve A, left front servo valve, left front servo hydraulic cylinder,
Left servo valve, controller, left servo hydraulic cylinder, left back servo valve, left back servo hydraulic cylinder, it is left back it is right before two-way valve A,
Intermediate two-way valve A, described left front servo hydraulic cylinder A mouthfuls with described left front servo valve A mouthful, it is described it is left front the right side after two-way valve A
The connection of P mouths, it is described it is right after B mouthful of servo hydraulic cylinder and two-way valve A behind B mouthfuls of servo valve, the left front right side behind the right side A mouths
Connection, described left front servo hydraulic cylinder B mouthfuls connect with the A mouths of two-way valve B behind described left front servo valve B mouthfuls, the left front right side,
A mouthfuls of servo hydraulic cylinder is connected with the P mouths of two-way valve B behind A mouthfuls of servo valve, the left front right side behind the right side behind the right side, described
Left servo hydraulic cylinder A mouthfuls connect with the P mouths of described left servo valve A mouthfuls, the intermediate two-way valve A, servo in the right side
B mouthfuls of hydraulic cylinder with it is described it is right in B mouthfuls of servo valve, the intermediate two-way valve A A mouths connect, described left servo hydraulic cylinder B mouthfuls
It is connected with the A mouths of described left servo valve B mouthfuls, the intermediate two-way valve B, A mouthfuls of servo hydraulic cylinder and the right side in the right side
Middle servo valve A mouthfuls, the P mouths connection of the intermediate two-way valve B, tell left back servo hydraulic cylinder A mouthfuls with telling left back servo valve A
Mouth, the P mouths connection for telling two-way valve A before the left back right side, B mouthfuls of servo hydraulic cylinder is with telling B mouthfuls of servo valve, institute before the right side before telling the right side
Tell it is left back it is right before two-way valve A the connection of A mouths, tell left back servo hydraulic cylinder B mouthfuls and tell left back servo valve B mouthfuls, tell a left side
The A mouths connection of two-way valve B before rear right tells before the right side A mouthfuls of servo hydraulic cylinder and tells A mouthfuls of servo valve before the right side, tells the left back right side
The P mouths connection of preceding two-way valve B, P mouths and the left front servo valve, the left servo valve, the left side of the constant pressure oil source
The P mouths of servo valve connect behind servo valve, the right side in servo valve, the right side before servo valve, the right side afterwards, the left front servo
Valve, the left servo valve, the left back servo valve, it is described it is right before servo valve, it is described it is right in servo valve, it is described it is right after servo valve
T mouths connected with fuel tank, the inbuilt displacement sensor of the controller and all servo hydraulic cylinders has electrical input to connect,
The controller has electrical output to connect with all servo valves, two-way valve, the left front servo hydraulic cylinder, the left side
Middle servo hydraulic cylinder, the left back servo hydraulic cylinder and servo hydraulic cylinder, the right side in servo hydraulic cylinder, the right side before the right side
Servo hydraulic cylinder is symmetrically arranged in pendulum and rolles at left and right sides of slider of hydraulic press afterwards, the left front servo hydraulic cylinder, the left servo
Hydraulic cylinder, the left back servo hydraulic cylinder respectively with it is described it is right after servo hydraulic cylinder, it is described it is right in servo hydraulic cylinder, it is described it is right before
Servo hydraulic cylinder is symmetrically mounted on same level about center, according to pendulum roll over hydraulic press impulse stroke, sliding block height with
Resist the difference of inclined ability, be evenly arranged multilayer servo hydraulic cylinder in the vertical direction.
Servo before the left front servo hydraulic cylinder, the left servo hydraulic cylinder, the left back servo hydraulic cylinder, the right side
Servo hydraulic cylinder behind servo hydraulic cylinder, the right side in hydraulic cylinder, the right side, in same level, equal inbuilt displacement passes
Sensor, servo hydraulic cylinder is about center pair after the left front servo hydraulic cylinder is arranged in sliding block left side front and the right side
Claiming, the left servo hydraulic cylinder is arranged among sliding block left side, is symmetrical about center with servo hydraulic cylinder in the right side,
The left back servo hydraulic cylinder is arranged in rear on the left of sliding block, institute symmetrical about center with servo hydraulic cylinder before the right side
Servo hydraulic cylinder is arranged in front of sliding block right side, is symmetrical about center with the left back servo hydraulic cylinder before stating the right side, described
Servo hydraulic cylinder is arranged in intermediate, the right side symmetrical about center with the left servo hydraulic cylinder on the right side of sliding block in the right side
Servo hydraulic cylinder is arranged in rear on the right side of sliding block, symmetrical about center with the left front servo hydraulic cylinder afterwards.
Before the left front servo valve, the left servo valve, the left back servo valve, the right side in servo valve, the right side
Servo valve, it is described it is right after servo valve, P, T, A, B mouthful closings during in middle position, with good static and dynamic performance.
It is described it is left front it is right after two-way valve A, it is described it is left front it is right after two-way valve B, the intermediate two-way valve A, it is described in
Between two-way valve B, it is described it is left back it is right before two-way valve A, it is described it is left back it is right before two-way valve B, tool is there are two working position, during dead electricity
Spring reset is normally closed position, and leakproofness is good, and in working position is connected when obtaining electric, flow resistance is small.
The controller has programming, has high-speed computational capability, has and displacement sensor, servo valve, two-way valve
The electric interfaces of adaptation；The constant pressure oil source is capable of providing the hydraulic oil of enough pressure and flow.
It is described it is left front it is right after two-way valve A with it is described it is left front it is right after two-way valve B be under power failure state, it is described left front to watch
It takes hydraulic cylinder to control with the left front servo valve composition valve-controlled cylinder circuit, by the controller closed loop location, servo behind the right side
Hydraulic cylinder forms valve-controlled cylinder circuit with servo valve behind the right side, is controlled by the controller closed loop location；Two behind the left front right side
Pass ball valve A with it is described it is left front it is right after two-way valve B be under electricity condition, the left front servo hydraulic cylinder with it is described it is right after servo
Hydraulic cylinder forms reversal connection circuit, is adjusted simultaneously by the left front servo valve and servo valve behind the right side, by the controller closed loop
Correction control, left front servo valve described at this time is identical with the control signal amplitude of servo valve behind the right side, symbol is opposite.
The intermediate two-way valve A and the intermediate two-way valve B are under power failure state, the left servo hydraulic cylinder
Controlled with the left servo valve composition valve-controlled cylinder circuit, by the controller closed loop location, it is described it is right in servo hydraulic cylinder with
Servo valve forms valve-controlled cylinder circuit, is controlled by the controller closed loop location in the right side；The intermediate two-way valve A with it is described
Intermediate two-way valve B be under electricity condition, the left servo hydraulic cylinder with it is described it is right in servo hydraulic cylinder form reversal connection and return
Road by the left servo valve and servo valve in the right side is adjusted, is rectified a deviation and controlled by the controller closed loop simultaneously, described at this time
Left servo valve is identical with the control signal amplitude of servo valve in the right side, symbol is opposite.
It is described it is left back it is right before two-way valve A with it is described it is left back it is right before two-way valve B be under power failure state, it is described left back to watch
It takes hydraulic cylinder to control with the left back servo valve composition valve-controlled cylinder circuit, by the controller closed loop location, servo before the right side
Hydraulic cylinder forms valve-controlled cylinder circuit with servo valve before the right side, is controlled by the controller closed loop location；It is described it is left back it is right the first two
Pass ball valve A with it is described it is left back it is right before two-way valve B be under electricity condition, the left back servo hydraulic cylinder with it is described it is right before servo
Hydraulic cylinder forms reversal connection circuit, is adjusted simultaneously by the left back servo valve and servo valve before the right side, by the controller closed loop
Correction control, left back servo valve described at this time is identical with the control signal amplitude of servo valve before the right side, symbol is opposite.
During system work all servo hydraulic cylinders simultaneously contact slipper and be coupled, it is described left front to watch
It takes hydraulic cylinder and forms a correction action cell with servo hydraulic cylinder behind the right side, the two thrust is differential for correction component, the two
Thrust couple is correction moment of components；The left servo hydraulic cylinder forms a correction effect list with servo hydraulic cylinder in the right side
Member, the two thrust are differential for correction component；The left back servo hydraulic cylinder forms a correction with servo hydraulic cylinder before the right side
Action cell, differential the two thrust is correction component, and the two thrust couple is correction moment of components.
The system controls dynamic regulation pendulum to roll over hydraulic press in real time by the closed loop to servo hydraulic cylinder described in sliding block bilateral
The floor projection posture of sliding block realizes fast, accurately correction control, the differential arrangement of the servo hydraulic cylinder and reversal connection
Hydraulic circuit the system is made to resist partially rigidity is strong, fast response time, and enough entangle is obtained by way of arranged in rows
Inclined ability, whole system high degree of automation have good craft flexibility.
It is an advantage of the invention that pendulum can accurately be controlled to roll over the horizontal attitude of sliding block in the hydraulic press course of work, actively correct
The offset and torsion of sliding block ensure that pendulum rolles over the positioning accuracy of punch and lower die, improve slide block guide rail stressing conditions, promote pendulum and roll over liquid
The machining accuracy of press has the spy that high degree of automation, control accuracy are high, resist partially rigid strong, fast response time, integrated level high
Point.
Description of the drawings
Fig. 1 is the system schematic of the present invention.
Fig. 2 is the position control principle block diagram of the left front servo hydraulic cylinder of the present invention.
Fig. 3 be the present invention the right side after servo hydraulic cylinder form correction action cell correction control principle block diagram.
Specific embodiment
With reference to attached drawing, pendulum rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, including it is left front it is right after two-way valve B1,
Servo hydraulic cylinder 2 behind the right side, it is right after servo valve 3, intermediate two-way valve B4, it is right in servo hydraulic cylinder 5, it is right in servo valve 6, the left back right side
Preceding two-way valve B7, it is right before servo hydraulic cylinder 8, it is right before servo valve 9, constant pressure oil source 10, it is left front it is right after two-way valve A11, it is left front
Servo valve 12, left front servo hydraulic cylinder 13, left servo valve 14, controller 15, left servo hydraulic cylinder 16, left back servo valve
17, left back servo hydraulic cylinder 18, it is left back it is right before two-way valve A19, intermediate two-way valve A20, the left front servo hydraulic cylinder 13A
Mouth is connected with the P mouths of two-way valve A11 behind described left front servo valve 12A mouthfuls, the left front right side, servo hydraulic cylinder 2B behind the right side
Mouth is connected with the A mouths of two-way valve A11 behind 3B mouthfuls of servo valve, the left front right side behind the right side, the left front servo hydraulic cylinder 13B
Mouth is connected with the A mouths of two-way valve B1 behind described left front servo valve 12B mouthfuls, the left front right side, servo hydraulic cylinder 2A behind the right side
Mouth is connected with the P mouths of two-way valve B1 behind 3A mouthfuls of servo valve, the left front right side behind the right side, the left servo hydraulic cylinder 16A
Mouthful connected with the P mouths of described left servo valve 14A mouthful, the intermediate two-way valve A20, in the right side 5B mouthfuls of servo hydraulic cylinder and
It is described it is right in 6B mouthful of servo valve, the intermediate two-way valve A20 A mouths connect, described left servo hydraulic cylinder 16B mouthfuls with it is described
Left servo valve 14B mouthfuls, the connection of the A mouths of the intermediate two-way valve B4, it is described it is right in 5A mouthful of servo hydraulic cylinder in the right side
The P mouths connection of 6A mouthfuls of servo valve, the intermediate two-way valve B4, tells left back servo hydraulic cylinder 18A mouthfuls with telling left back servo
17A mouthfuls of valve, the P mouths connection for telling two-way valve A19 before the left back right side, 8B mouthfuls of servo hydraulic cylinder is with telling servo before the right side before telling the right side
9B mouthfuls of valve, the A mouths connection for telling two-way valve A19 before the left back right side, tell left back servo hydraulic cylinder 18B mouthfuls with telling left back servo
17B mouthfuls of valve, the A mouths connection for telling two-way valve B7 before the left back right side, 8A mouthfuls of servo hydraulic cylinder is with telling servo before the right side before telling the right side
9A mouthfuls of valve, the P mouths connection for telling two-way valve B7 before the left back right side, the P mouths of the constant pressure oil source 10 and the left front servo valve 12,
It is watched behind servo valve 6, the right side in servo valve 9, the right side before the left servo valve 14, the left back servo valve 17, the right side
The P mouths connection of valve 3 is taken, is watched before the left front servo valve 12, the left servo valve 14, the left back servo valve 17, the right side
Take valve 9, it is described it is right in servo valve 6, it is described it is right after the T mouths of servo valve 3 connected with fuel tank, the controller 15 all is watched with described
Taking the inbuilt displacement sensor of hydraulic cylinder has electrical input connection, the controller 15 and all servo valves, two-way ball
Valve has electrical output connection, the left front servo hydraulic cylinder 13, the left servo hydraulic cylinder 16, the left back servo hydraulic cylinder
18 are symmetrically arranged in pendulum with servo hydraulic cylinder 2 behind servo hydraulic cylinder 5, the right side in servo hydraulic cylinder 8, the right side before the right side rolles over
At left and right sides of slider of hydraulic press, the left front servo hydraulic cylinder 13, the left servo hydraulic cylinder 16, the left back servo-hydraulic
Cylinder 18 is respectively with servo hydraulic cylinder 8 before servo hydraulic cylinder 5, the right side in servo hydraulic cylinder 2, the right side behind the right side about sliding block
Central symmetry is mounted on same level, the difference of hydraulic press impulse stroke, sliding block height with resisting inclined ability is rolled over according to pendulum, perpendicular
Nogata is evenly arranged multilayer servo hydraulic cylinder upwards.
The left front servo hydraulic cylinder 13, the left servo hydraulic cylinder 16, the left back servo hydraulic cylinder 18, the right side
Servo hydraulic cylinder 2 behind servo hydraulic cylinder 5, the right side, interior in same level in preceding servo hydraulic cylinder 8, the right side
Displacement sensor, the left front servo hydraulic cylinder 13 be arranged in front on the left of sliding block, with it is described it is right after servo hydraulic cylinder 2 about
Center is symmetrical, the left servo hydraulic cylinder 16 be arranged on the left of sliding block it is intermediate, with it is described it is right in servo hydraulic cylinder 5 about
Center is symmetrical, the left back servo hydraulic cylinder 18 be arranged in rear on the left of sliding block, with it is described it is right before servo hydraulic cylinder 8 about
Center is symmetrical, it is described it is right before servo hydraulic cylinder 8 be arranged in front on the right side of sliding block, with the left back servo hydraulic cylinder 18 about
Center is symmetrical, it is described it is right in servo hydraulic cylinder 5 be arranged on the right side of sliding block it is intermediate, with the left servo hydraulic cylinder 16 about
Center is symmetrical, it is described it is right after servo hydraulic cylinder 2 be arranged in rear on the right side of sliding block, with the left front servo hydraulic cylinder 13 about
Center is symmetrical.
Servo valve 9, institute before the left front servo valve 12, the left servo valve 14, the left back servo valve 17, the right side
State servo valve 6 in the right side, it is described it is right after servo valve 3, P, T, A, B mouthful closings during in middle position, with good static and dynamic performance.
It is described it is left front it is right after two-way valve A11, it is described it is left front it is right after two-way valve B1, the intermediate two-way valve A20, institute
State intermediate two-way valve B4, it is described it is left back it is right before two-way valve A19, it is described it is left back it is right before two-way valve B7, there are two work for tool
Position, spring reset is normally closed position during dead electricity, and leakproofness is good, and in connection working position when obtaining electric, flow resistance is small.
The controller 15 has programming, has high-speed computational capability, has and displacement sensor, servo valve, two-way ball
The electric interfaces of valve adaptation；The constant pressure oil source 10 is capable of providing the hydraulic oil of enough pressure and flow.
Two-way valve A11 and two-way valve B1 behind the left front right side is under power failure state behind the left front right side, the left side
Preceding servo hydraulic cylinder 13 forms valve-controlled cylinder circuit with the left front servo valve 12, is controlled by 15 closed loop location of controller, institute
Servo hydraulic cylinder 2 forms valve-controlled cylinder circuit with servo valve 3 behind the right side, is controlled by 15 closed loop location of controller after stating the right side；
It is described it is left front it is right after two-way valve A11 with it is described it is left front it is right after two-way valve B1 be under electricity condition, the left front servo-fluid
Cylinder pressure 13 forms reversal connection circuit with servo hydraulic cylinder 2 behind the right side, same by the left front servo valve 12 and servo valve 3 behind the right side
When adjust, rectified a deviation and controlled by 15 closed loop of controller, left front servo valve 12 described at this time with it is described it is right after servo valve 3 control
Signal amplitude is identical, symbol is opposite.
The intermediate two-way valve A20 and the intermediate two-way valve B4 are under power failure state, the left servo-fluid
Cylinder pressure 16 forms valve-controlled cylinder circuit with the left servo valve 14, is controlled by 15 closed loop location of controller, is watched in the right side
Hydraulic cylinder 5 is taken to form valve-controlled cylinder circuit with servo valve 6 in the right side, controlled by 15 closed loop location of controller；The centre
The two-way valve A20 and intermediate two-way valve B4 be under electricity condition, the left servo hydraulic cylinder 16 with it is described it is right in
Servo hydraulic cylinder 5 forms reversal connection circuit, is adjusted simultaneously by the left servo valve 14 and servo valve 6 in the right side, by the control
15 closed loop of device correction control processed, left servo valve 14 described at this time is identical with the control signal amplitude of servo valve 6 in the right side, symbol
It is number opposite.
Two-way valve A19 and two-way valve B7 before the left back right side is under power failure state before the left back right side, the left side
Servo hydraulic cylinder 18 forms valve-controlled cylinder circuit with the left back servo valve 17, is controlled by 15 closed loop location of controller, institute afterwards
Servo hydraulic cylinder 8 forms valve-controlled cylinder circuit with servo valve 9 before the right side, is controlled by 15 closed loop location of controller before stating the right side；
It is described it is left back it is right before two-way valve A19 with it is described it is left back it is right before two-way valve B7 be under electricity condition, the left back servo-fluid
Cylinder pressure 18 forms reversal connection circuit with servo hydraulic cylinder 8 before the right side, same by the left back servo valve 17 and servo valve 9 before the right side
When adjust, rectified a deviation and controlled by 15 closed loop of controller, left back servo valve 17 described at this time with it is described it is right before servo valve 9 control
Signal amplitude is identical, symbol is opposite.
During system work all servo hydraulic cylinders simultaneously contact slipper and be coupled, it is described left front to watch
Take hydraulic cylinder 13 with it is described it is right after servo hydraulic cylinder 2 form a correction action cell, the two thrust is differential for correction component, two
Person's thrust couple is correction moment of components；The left servo hydraulic cylinder 16 forms a correction with servo hydraulic cylinder 5 in the right side
Action cell, the two thrust are differential for correction component；The left back servo hydraulic cylinder 18 is formed with servo hydraulic cylinder 8 before the right side
One correction action cell, differential the two thrust is correction component, and the two thrust couple is correction moment of components.
The system controls dynamic regulation pendulum to roll over hydraulic pressure in real time by the closed loop to servo hydraulic cylinder described in 21 bilateral of sliding block
The floor projection posture of machine sliding block 21, realize fast, accurately correction control, the differential arrangement of the servo hydraulic cylinder and
The hydraulic circuit of reversal connection makes the system resist partially rigid strong, fast response time, and is obtained enough by way of arranged in rows
Centering capacity, whole system high degree of automation, have good craft flexibility.
Fig. 2 and Fig. 3 is the position control principle block diagram of the left front servo hydraulic cylinder 13 and the left front servo-fluid respectively
The correction control principle block diagram of correction action cell that cylinder pressure 13 is formed with servo hydraulic cylinder 2 behind the right side.When the servo-fluid
When cylinder pressure is not in contact with sliding block 21, the two-way valve dead electricity, the system carries out independent position to each servo hydraulic cylinder
Control, control principle is the same as shown in the position control principle block diagram of the left front servo hydraulic cylinder 13.When the servo hydraulic cylinder connects
When touching sliding block 21, the two-way valve obtains electric, and the system entangles the correction action cell that the servo hydraulic cylinder forms
Control partially, the correction action cell that control principle is formed with the left front servo hydraulic cylinder 13 with servo hydraulic cylinder 2 behind the right side
Correction control principle block diagram shown in.
Claims (10)
1. pendulum rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, including it is left front it is right after two-way valve B (1), it is right after servo
Hydraulic cylinder (2), it is right after servo valve (3), intermediate two-way valve B (4), it is right in servo hydraulic cylinder (5), it is right in servo valve (6), it is left back
Two-way valve B (7) before the right side, it is right before servo hydraulic cylinder (8), it is right before servo valve (9), constant pressure oil source (10), it is left front it is right after two-way ball
Valve A (11), left front servo valve (12), left front servo hydraulic cylinder (13), left servo valve (14), controller (15), left servo
Hydraulic cylinder (16), left back servo valve (17), left back servo hydraulic cylinder (18), it is left back it is right before two-way valve A (19), intermediate two-way ball
Valve A (20), it is characterized in that：A mouthfuls of the left front servo hydraulic cylinder (13) and left front A mouthfuls of the servo valve (l2), the left front right side
The P mouths connection of two-way valve A (11) afterwards, it is described it is right after B mouthful of servo hydraulic cylinder (2) and B mouthfuls of servo valve (3) behind the right side, described
It is left front it is right after two-way valve A (11) the connection of A mouths, B mouthfuls of the left front servo hydraulic cylinder (13) and left front servo valve (12) B
Mouthful, it is described it is left front it is right after two-way valve B (l) the connection of A mouths, it is described it is right after servo valve behind A mouthful of servo hydraulic cylinder (2) and the right side
(3) A mouthfuls, it is described it is left front it is right after P mouths of two-way valve B (1) connect, A mouthfuls of the left servo hydraulic cylinder (l6) with it is described left
A mouthfuls of servo valve (14), the P mouths connection of the intermediate two-way valve A (20), it is described it is right in B mouthful of servo hydraulic cylinder (5) and the right side
Middle B mouthfuls of servo valve (6), the A mouths connection of the intermediate two-way valve A (20), B mouthfuls of the left servo hydraulic cylinder (16) with it is described
Left B mouthfuls of servo valve (14), the A mouths connection of the intermediate two-way valve B (4), it is described it is right in A mouthfuls of servo hydraulic cylinder (5) and institute
State the P mouths connection of A mouthfuls of servo valve in the right side (6), the intermediate two-way valve B (4), A mouthful of the left back servo hydraulic cylinder (18) and
The P mouths of two-way valve A (19) connect before A mouthfuls of the left back servo valve (17), the left back right side, servo hydraulic cylinder before the right side
(8) it is connected with the A mouths of two-way valve A (19) before B mouthfuls of servo valve (9), the left back right side before the right side for B mouthfuls, the left back servo
B mouthfuls of hydraulic cylinder (18) is connected with the A mouths of two-way valve B (7) before left back B mouthfuls of the servo valve (l7), the left back right side, the right side
Preceding A mouthfuls of servo hydraulic cylinder (8) connects with the P mouths of two-way valve B (7) before A mouthfuls of servo valve (9), the left back right side before the right side, institute
State the P mouths of constant pressure oil source (10) and the left front servo valve (12), the left servo valve (14), the left back servo valve
(17), the P mouths of servo valve (3) connect behind servo valve (6), the right side in servo valve (9), the right side before the right side, described left front
It is watched in servo valve (9), the right side before servo valve (12), the left servo valve (14), the left back servo valve (17), the right side
Take valve (6), it is described it is right after the T mouths of servo valve (3) connected with fuel tank, the controller (15) is interior with all servo hydraulic cylinders
Displacement sensor has electrical input connection, and the controller (15) has electrical output to connect with all servo valves, two-way valve
Connect, the left front servo hydraulic cylinder (13), the left servo hydraulic cylinder (16), the left back servo hydraulic cylinder (18) with it is described
Servo hydraulic cylinder (2) is symmetrically arranged in pendulum rolling liquid behind servo hydraulic cylinder (5), the right side in servo hydraulic cylinder (8), the right side before the right side
At left and right sides of press slide, the left front servo hydraulic cylinder (13), the left servo hydraulic cylinder (16), the left back servo-fluid
Cylinder pressure (18) respectively with it is described it is right after servo hydraulic cylinder (2), it is described it is right in servo hydraulic cylinder (5), it is described it is right before servo hydraulic cylinder
(8) same level is symmetrically mounted on about center, hydraulic press impulse stroke, sliding block height is rolled over resisting inclined ability according to pendulum
Difference, be evenly arranged multilayer servo hydraulic cylinder in the vertical direction.
2. pendulum according to claim 1 rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, it is characterized in that：The left side
Preceding servo hydraulic cylinder (13) is arranged in front on the left of sliding block, and the left servo hydraulic cylinder (16) is arranged among sliding block left side,
The left back servo hydraulic cylinder (18) is arranged in rear on the left of sliding block, and servo hydraulic cylinder (8) is arranged on the right side of sliding block before the right side
Front, it is described it is right in servo hydraulic cylinder (5) be arranged in it is intermediate on the right side of sliding block, it is described it is right after servo hydraulic cylinder (2) be arranged in sliding block
Right side rear.
3. pendulum according to claim 1 rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, it is characterized in that：The left side
Before preceding servo valve (12), the left servo valve (14), the left back servo valve (17), the right side in servo valve (9), the right side
Servo valve (6), it is described it is right after servo valve (3), P, T, A, B mouthful closings during in middle position, with good static and dynamic performance.
4. pendulum according to claim 1 rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, it is characterized in that：The left side
Two-way valve A (11) after front right, it is described it is left front it is right after two-way valve B (1), the intermediate two-way valve A (20), the centre two
Two-way valve B (7) before two-way valve A (19), the left back right side, has there are two working position before pass ball valve B (4), the left back right side,
Spring reset is normally closed position during dead electricity, and leakproofness is good, and in working position is connected when obtaining electric, flow resistance is small.
5. pendulum according to claim 1 rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, it is characterized in that：The control
Device (15) processed has programming, has high-speed computational capability, electrical with being adapted to displacement sensor, servo valve, two-way valve
Interface；The constant pressure oil source (10) is capable of providing the hydraulic oil of enough pressure and flow.
6. pendulum according to claim 1 rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, it is characterized in that：The left side
Two-way valve A (11) and two-way valve B (1) behind the left front right side is under power failure state after front right, the left front servo-hydraulic
Cylinder (13) is controlled with left front servo valve (12) the composition valve-controlled cylinder circuit, by the controller (15) closed loop location, the right side
Servo hydraulic cylinder (2) forms valve-controlled cylinder circuit, by the controller (15) closed loop location control with servo valve (3) behind the right side afterwards
System；It is described it is left front it is right after two-way valve A (11) with it is described it is left front it is right after two-way valve B (1) under electricity condition, it is described left front
Servo hydraulic cylinder (13) with it is described it is right after servo hydraulic cylinder (2) form reversal connection circuit, by the left front servo valve (12) with it is described
Servo valve (3) is adjusted simultaneously behind the right side, is rectified a deviation and controlled by the controller (15) closed loop, left front servo valve (12) described at this time and institute
The control signal amplitude of stating servo valve (3) behind the right side is identical, symbol is opposite.
7. pendulum according to claim 1 rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, it is characterized in that：In described
Between two-way valve A (20) and the intermediate two-way valve B (4) under power failure state, the left servo hydraulic cylinder (16) with
Left servo valve (14) the composition valve-controlled cylinder circuit is controlled, servo-fluid in the right side by the controller (15) closed loop location
Cylinder pressure (5) forms valve-controlled cylinder circuit with servo valve (6) in the right side, is controlled by the controller (15) closed loop location；In described
Between two-way valve A (20) and the intermediate two-way valve B (4) under electricity condition, the left servo hydraulic cylinder (16) with
Servo hydraulic cylinder (5) forms reversal connection circuit in the right side, by servo valve (6) in the left servo valve (14) and the right side simultaneously
It adjusts, is rectified a deviation and controlled by the controller (15) closed loop, left servo valve (14) described at this time and servo valve (6) in the right side
Control signal amplitude is identical, symbol is opposite.
8. pendulum according to claim 1 rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, it is characterized in that：The left side
Two-way valve A (19) and two-way valve B (7) before the left back right side is under power failure state before rear right, the left back servo-hydraulic
Cylinder (18) is controlled with left back servo valve (17) the composition valve-controlled cylinder circuit, by the controller (15) closed loop location, the right side
Preceding servo hydraulic cylinder (8) forms valve-controlled cylinder circuit, by the controller (15) closed loop location control with servo valve (9) before the right side
System；It is described it is left back it is right before two-way valve A (19) with it is described it is left back it is right before two-way valve B (7) under electricity condition, it is described left back
Servo hydraulic cylinder (18) with it is described it is right before servo hydraulic cylinder (8) form reversal connection circuit, by the left back servo valve (17) with it is described
Servo valve (9) is adjusted simultaneously before the right side, is rectified a deviation and controlled by the controller (15) closed loop, left back servo valve (17) described at this time and institute
The control signal amplitude of stating servo valve (9) before the right side is identical, symbol is opposite.
9. pendulum according to claim 1 rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, it is characterized in that：The system
Unite work when all servo hydraulic cylinder simultaneously contact slipper and be coupled, the left front servo hydraulic cylinder (13) with
Servo hydraulic cylinder (2) forms a correction action cell behind the right side, and the two thrust is differential for correction component, the two thrust couple
For moment of components of rectifying a deviation；The left servo hydraulic cylinder (16) forms a correction effect list with servo hydraulic cylinder (5) in the right side
Member, the two thrust are differential for correction component；The left back servo hydraulic cylinder (18) and servo hydraulic cylinder (8) composition one before the right side
A correction action cell, differential the two thrust is correction component, and the two thrust couple is correction moment of components.
10. pendulum according to claim 1 rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system, it is characterized in that：It is described
System controls dynamic regulation pendulum to roll over slider of hydraulic press (21) in real time by the closed loop to servo hydraulic cylinder described in sliding block (21) bilateral
Floor projection posture, realize fast, accurately correction control, the differential arrangement of the servo hydraulic cylinder and the liquid of reversal connection
Pushing back road makes the system resist partially rigid strong, fast response time, and obtain enough correction energy by way of arranged in rows
Power, whole system high degree of automation have good craft flexibility.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611176586.2A CN106438596B (en) | 2016-12-19 | 2016-12-19 | Pendulum rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system |
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| CN201611176586.2A CN106438596B (en) | 2016-12-19 | 2016-12-19 | Pendulum rolles over slider of hydraulic press actively anti-deflection electrohydraulic control system |
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| CN106438596B true CN106438596B (en) | 2018-06-29 |
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| CN107524641B (en) * | 2017-10-12 | 2023-06-27 | 南通锻压设备如皋有限公司 | Independent integrated hydraulic linear driving system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4033761C1 (en) * | 1990-10-24 | 1992-04-02 | Hydac Technology Gmbh, 6603 Sulzbach, De | |
| JP2000192906A (en) * | 1998-12-28 | 2000-07-11 | Kurifu Kk | High-speed proportional controlling pneumatic actuator |
| CN1435290A (en) * | 2002-12-31 | 2003-08-13 | 西北工业大学 | Method and device for controlling sliding table of friction welding machine |
| CN102336030A (en) * | 2011-10-13 | 2012-02-01 | 湖州机床厂有限公司 | Sliding block deviation correction mechanism of hydraulic press |
| CN202239424U (en) * | 2011-09-20 | 2012-05-30 | 天津市天锻压力机有限公司 | Bidirectional force couple four corner leveling control system for slide block of forging machine |
| CN202538468U (en) * | 2012-04-28 | 2012-11-21 | 苏州工业园区大禹水处理机械有限公司 | Anti-deviation system for filter band deviation force differential bridge detection and filter band tension automatic equalization |
| CN103264133A (en) * | 2013-05-17 | 2013-08-28 | 天津市天锻压力机有限公司 | Centering control system for hydraulic forging press |
| CN203651050U (en) * | 2013-12-26 | 2014-06-18 | 扬州捷迈锻压机械有限公司 | Anti-eccentric load hydraulic system |
| CN204572585U (en) * | 2015-03-20 | 2015-08-19 | 江苏扬力集团有限公司 | The hydraulic system of multi-position enclosed 4 Press Slider anti-bias loads |
-
2016
- 2016-12-19 CN CN201611176586.2A patent/CN106438596B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4033761C1 (en) * | 1990-10-24 | 1992-04-02 | Hydac Technology Gmbh, 6603 Sulzbach, De | |
| JP2000192906A (en) * | 1998-12-28 | 2000-07-11 | Kurifu Kk | High-speed proportional controlling pneumatic actuator |
| CN1435290A (en) * | 2002-12-31 | 2003-08-13 | 西北工业大学 | Method and device for controlling sliding table of friction welding machine |
| CN202239424U (en) * | 2011-09-20 | 2012-05-30 | 天津市天锻压力机有限公司 | Bidirectional force couple four corner leveling control system for slide block of forging machine |
| CN102336030A (en) * | 2011-10-13 | 2012-02-01 | 湖州机床厂有限公司 | Sliding block deviation correction mechanism of hydraulic press |
| CN202538468U (en) * | 2012-04-28 | 2012-11-21 | 苏州工业园区大禹水处理机械有限公司 | Anti-deviation system for filter band deviation force differential bridge detection and filter band tension automatic equalization |
| CN103264133A (en) * | 2013-05-17 | 2013-08-28 | 天津市天锻压力机有限公司 | Centering control system for hydraulic forging press |
| CN203651050U (en) * | 2013-12-26 | 2014-06-18 | 扬州捷迈锻压机械有限公司 | Anti-eccentric load hydraulic system |
| CN204572585U (en) * | 2015-03-20 | 2015-08-19 | 江苏扬力集团有限公司 | The hydraulic system of multi-position enclosed 4 Press Slider anti-bias loads |
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| Publication number | Publication date |
|---|---|
| CN106438596A (en) | 2017-02-22 |
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Effective date of registration: 20180810 Address after: 226503 Jiangsu Nantong Rugao North Road Park North Road (economic and Technological Development Zone Forging Industry Park) Patentee after: Nantong forging equipment Rugao Co., Ltd. Address before: 226500 Jiangsu Nantong Rugao Economic Development Zone Forging Industry Park Patentee before: Nantong Forging Equipment Co., Ltd. |