CN108189446A - A kind of energy-saving high flexibility double-station fly press - Google Patents
A kind of energy-saving high flexibility double-station fly press Download PDFInfo
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- CN108189446A CN108189446A CN201711459374.XA CN201711459374A CN108189446A CN 108189446 A CN108189446 A CN 108189446A CN 201711459374 A CN201711459374 A CN 201711459374A CN 108189446 A CN108189446 A CN 108189446A
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- sliding block
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- bevel gear
- gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/18—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/18—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by screw means
- B30B1/186—Control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/14—Control arrangements for mechanically-driven presses
- B30B15/148—Electrical control arrangements
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- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a kind of energy-saving high flexibility double-station fly presses, two groups of screw pair Distribution of Institutions are set in forcing press both sides, it is the first spiral vice mechanism being made of the first cylinder, the first screw, the first sliding block and the first anti-rotation device and the second spiral vice mechanism being made of the second cylinder, the second screw, the second sliding block and the second anti-rotation device respectively；First screw is by being driven after the first differential gear train resultant motion by main motor with stand-by motor；Second screw is by being driven after the second differential gear train resultant motion by main motor with stand-by motor；It can realize the first sliding block of forcing press and the second sliding block complimentary action, while the first sliding block declines/rises wherein, the second sliding block rise/fall, and the opposite beat of two cylinders can be adjusted at any time；It can also realize that any one spiral vice mechanism works, another does not work.Mechanism can be obviously improved energy efficiency, working efficiency and the flexibility of forcing press.
Description
Technical field
The present invention relates to mechanical spiral forcing press, more specifically a kind of double-station fly press, left and right sides machine
Structure can work by symmetrical beat, can not also work, can be applied to various multiple by fixed beat by the way that motor is controlled to adjust
General labourer's condition.
Background technology
Forming with its production efficiency it is high, save material, processing quality is high the advantages of be used widely.Mechanical pressure
Machine has many advantages, such as stable drive, and control accuracy is high, with the raising of factory automation degree, in the market will in future pressure machine
Occupy an important seat.
Due to press forming characteristic, only during compacting is of short duration, motor is just run with higher efficiency, at it
The efficiency of its stage motor is relatively low, and there are a large amount of energy losses.Wherein, when forcing press works, sliding block is according to work pace frequency
Numerous raising and lowering, gravitional force and kinetic energy are converted into thermal dissipation during declining, and form the important portion of energy loss
Point.
Invention content
The present invention is to avoid above-mentioned the deficiencies in the prior art part, providing a kind of energy-saving high flexibility double-station spiral pressure
Power machine to the efficiency that motor can be kept higher, reduces the energy loss in forcing press operational process, improves the work of forcing press
Make efficiency and capacity usage ratio；And the flexible work of left and right sides mechanism realization complex working condition can be controlled.
The present invention is adopted the following technical scheme that solve technical problem：
Energy-saving high flexibility double-station fly press of the invention is structurally characterized in that：
Two groups of screw pair Distribution of Institutions are set in forcing press both sides, two groups of spiral vice mechanisms be respectively by the first cylinder,
The first spiral vice mechanism that first screw, the first sliding block and the first anti-rotation device are formed and by the second cylinder, the second screw,
The second spiral vice mechanism that second sliding block and the second anti-rotation device are formed；By first bevel gear, second bevel gear, triconodont
Wheel and the first pivoted arm form the first differential gear train, and first differential gear train is using first bevel gear and the first pivoted arm as input
End, using third hand tap gear as output terminal；Second is formed by the 4th bevel gear, the 5th bevel gear, the 6th bevel gear and the second pivoted arm
Differential gear train, second differential gear train are using the 4th bevel gear and the second pivoted arm as input terminal, using the 6th bevel gear as output
End；
First screw is by being driven after the first differential gear train resultant motion by main motor with stand-by motor；Described
Two leading screws are by being driven after the second differential gear train resultant motion by synchronous belt by main motor with stand-by motor；By first
Displacement sensor and second displacement sensor correspond displacement and speed that detection obtains the first sliding block and the second sliding block；It is described
Main motor is permanent rotating speed motor or is variable speed electric motors, particularly, and the stand-by motor is rotating speed controllable motor.
The design feature of the energy-saving high flexibility double-station fly press of the present invention is lain also in：
The main motor and the first synchronous pulley are direct-connected, and the first synchronous pulley drives the rotation of the second synchronous pulley, and second is same
It walks belt wheel and first bevel gear and the 4th bevel gear is coaxial；7th bevel gear engages respectively with the first pivoted arm and the second pivoted arm；The
The input of one bevel gear and the first pivoted arm synthesizes the output of third hand tap gear, third hand tap gear and first through the first differential gear train
Leading screw is coaxial, and the rotary motion of the first leading screw is converted into the linear motion up and down of the first sliding block by screw pair；4th bevel gear
Input with the second pivoted arm synthesizes the output of the 6th bevel gear through the second differential gear train, and the 6th bevel gear and first gear are same
Axis, first gear drive second gear rotation, and second gear and third synchronous pulley are coaxial, and third synchronous pulley is same by the 4th
The rotation that belt wheel drives the second leading screw is walked, the rotary motion of the second leading screw is converted into the straight line up and down of the second sliding block by screw pair
Movement；7th bevel gear and worm gear are coaxial, and worm gear forms worm gear mechanism with worm screw, and the output terminal of stand-by motor and worm screw are straight
Even；
When stand-by motor is stopped, the first pivoted arm of the first differential gear train and the second pivoted arm of the second differential gear train by
Self-locking remains stationary is realized in worm and gear, and forming fixed shaft gear train by first bevel gear, second bevel gear and third hand tap gear passes
Dynamic structure, forms fixed shaft gear train drive mechanism by the 4th bevel gear, the 5th bevel gear and the 6th bevel gear, is individually driven by main motor
Dynamic first leading screw and the second leading screw rotate in the opposite direction；
When stand-by motor works, stand-by motor drives the 7th bevel gear to rotate by worm and gear, and then drives first
The second pivoted arm rotation of the first pivoted arm and the second differential gear train of differential gear train, main motor drive the rotation of the second synchronous pulley；Institute
The rotary motion for stating the first pivoted arm and the second synchronous pulley of the first differential gear train synthesizes by first differential gear train
The rotary motion of third hand tap gear, and then drive the first sliding block linear motion in the first spiral vice mechanism；It is meanwhile described second poor
The rotary motion of the second pivoted arm and the second synchronous pulley of driving wheel system synthesizes the 6th bevel gear by second differential gear train
Rotary motion, and then synchronized V belt translation drive the second spiral vice mechanism in the second sliding block linear motion；It is auxiliary by controlling
Help motor that can adjust velocity magnitude and the direction that the first sliding block and the second sliding block move along a straight line up and down simultaneously.
The design feature of the energy-saving high flexibility double-station fly press of the present invention is lain also in：Setting is initial according to the following procedure
Position：
Step 1：Stand-by motor does not work, and the second sliding block is made to reach capacity position A using main motor work；
Step 2：The work of main motor is kept, and works at the same time stand-by motor, and meet formula (1), protects the second sliding block
It holds and is failure to actuate on extreme position A, the first sliding block is moved towards extreme position B, is stopped during the B of position until the first sliding block reaches capacity
Initial position setting is completed in the only work of main motor and stand-by motor；The extreme position A and extreme position B is different pole
Extreme position；
n1aFor the rotating speed of main motor, n1bFor the rotating speed of stand-by motor,
z2aFor the number of teeth of the first synchronous pulley, z2bFor the number of teeth of the second synchronous pulley,
z3gFor the number of teeth of the 7th bevel gear, z4bFor the number of teeth of the second pivoted arm bevel gear,
z5For the number of teeth of worm gear, z6Head number for worm screw.
The design feature of the energy-saving high flexibility double-station fly press of the present invention is lain also in：It is carried out by following different modes
Control realizes that double-station symmetrically works, and symmetrically work refers to the double-station：First sliding block and the second sliding block reach different simultaneously
Extreme position；
Mode one：The stroke of first sliding block and the second sliding block is equal；
If system meets formula (2), the rotating speed for setting stand-by motor is zero, and the first sliding block and second are respectively driven by main motor
Sliding block realizes that double-station symmetrically works；
If system is unsatisfactory for formula (2), stand-by motor is set) rotating speed be not zero, driven jointly by main motor and stand-by motor
Dynamic first sliding block and the second sliding block realize that double-station symmetrically works；
Mode two：The stroke of first sliding block and the second sliding block is unequal；
If system meets formula (3), the rotating speed for setting stand-by motor is zero, and the first sliding block and second are respectively driven by main motor
Sliding block realizes that double-station symmetrically works；
If system is unsatisfactory for formula (3), the rotating speed of stand-by motor is set to be not zero, driven jointly by main motor and stand-by motor
First sliding block and the second sliding block realize that double-station symmetrically works；
z7aFor the number of teeth of first gear, z7bFor the number of teeth of second gear,
z2cFor the number of teeth of third synchronous pulley, z2dFor the number of teeth of the 4th synchronous pulley,
p1For the screw pitch of the first leading screw, p2For the screw pitch of the second leading screw,
x1For the stroke of the first sliding block, x2Stroke for the second sliding block.
The design feature of the energy-saving high flexibility double-station fly press of the present invention is lain also in：It symmetrically works in double-station
Under mode, by controlling the rotating speed of stand-by motor, adjust the relative displacement of the second sliding block and the first sliding block, realize the second sliding block and
The accurate control of the relative position of first sliding block.
The design feature of the energy-saving high flexibility double-station fly press of the present invention is lain also in：According to technological requirement, pass through
The rotating speed of stand-by motor is controlled, adjusts the rotating speed of the first pivoted arm and the second pivoted arm, and then adjusts the first sliding block and the second sliding block
Speed makes the first sliding block and the second slider displacement be in the mode that non-duplex position symmetrically works, the symmetrical work in non-duplex position
Work refers to：The first sliding block and the second sliding block is not required to reach different extreme positions simultaneously.
The design feature of the energy-saving high flexibility double-station fly press of the present invention is lain also in：
The unilateral working condition of double execution units is set as follows：
Keep the rotating speed n of stand-by motor1bFor：Main motor rotation is controlled, is realized above and below the first sliding block
Mobile, the second sliding block keeps a kind of motionless unilateral working condition in original position；
Or：Keep the rotating speed n of stand-by motor1bFor：Main motor rotation is controlled, realizes the second sliding block
It moves up and down, the first sliding block keeps the motionless unilateral working condition of another kind in original position；
n1aFor the rotating speed of main motor, z2aFor the number of teeth of the first synchronous pulley,
z2bFor the number of teeth of the second synchronous pulley, z3gFor the number of teeth of the 7th bevel gear,
z4aFor the number of teeth of the first pivoted arm bevel gear, z4bFor the number of teeth of the second pivoted arm bevel gear,
z5For the number of teeth of worm gear, z6Head number for worm screw.
Compared with the prior art, the present invention has the beneficial effect that：
1st, the present invention links together two spiral vice mechanisms by different differential gear train and main motor respectively, realizes
The complimentary action of the execution unit of forcing press, realizes the linkage of double execution units, and single executive component a cycle can realize two
Secondary processing action improves the utilization of kinetic energy and potential energy, improves the efficiency of forcing press work.
2nd, present invention common drive unit between double execution units, substantially increases the utilization of kinetic energy and potential energy, is promoted
The energy efficiency of process.
3rd, the present invention can meet the symmetrical beat work of double execution units by control；Stand-by motor can not only change
The opposite beat of two sliding blocks can also only carry out a sliding block action, for adapting to a variety of different complicated processing operating modes.Needle
Different screw pairs is selected different processing requests, the symmetrical work of left and right sliding block can equally be realized by the setting of gearratio
Make, the accuracy and flexibility of double-station mechanical spiral forcing press are greatly improved, particularly suitable for the processing occasion of multi-process.
Description of the drawings
Fig. 1 is forcing press mechanical structure of the present invention and system schematic；
Fig. 1 a are the A of Fig. 1 to partial view schematic diagram；
Fig. 2 is a kind of deformation mechanical structure of the present invention；
Figure label：1a main motors, 1b stand-by motors, the first synchronous pulleys of 2a, the second synchronous pulleys of 2b, 3a first bore tooth
Wheel, 3b second bevel gears, 3c third hand tap gears, the 4th bevel gears of 3d, the 5th bevel gears of 3e, the 6th bevel gears of 3f, 3g the 7th are bored
Gear, the 8th bevel gears of 3h, the 9th bevel gears of 3i, the tenth bevel gears of 3j, the first pivoted arms of 4a, the second pivoted arms of 4b, 5 worm gears, 6 snails
Bar, 7a first gears, 7b second gears, the first leading screws of 8a, the second leading screws of 8b, the first cylinders of 9a, the second cylinders of 9b, the first sliding blocks of 10a,
The second sliding blocks of 10b, the first anti-rotation devices of 11a, the second anti-rotation devices of 11b, the first displacement sensors of 12a, 12b second displacements
Sensor.
Specific embodiment
Embodiment 1：
Referring to Fig. 1, the structure type of energy-saving high flexibility double-station fly press is in the present embodiment：
Two groups of screw pair Distribution of Institutions are set in forcing press both sides, two groups of spiral vice mechanisms are by the first cylinder 9a, respectively
The first spiral vice mechanism that one screw 8a, the first sliding block 10a and the first anti-rotation device 11a are formed and by the second cylinder 9b, the
The second spiral vice mechanism that two screw 8b, the second sliding block 10b and the second anti-rotation device 11b are formed；By first bevel gear 3a,
Two bevel gear 3b, third hand tap gear 3c and the first pivoted arm 4a form the first differential gear train, and the first differential gear train is with the first cone tooth
Wheel 3a and the first pivoted arm 4a is input terminal, using third hand tap gear 3c as output terminal；By the 4th bevel gear 3d, the 5th bevel gear 3e,
6th bevel gear 3f and the second pivoted arm 4b forms the second differential gear train, and the second differential gear train is with the 4th bevel gear 3d and second turn
Arm 4b is input terminal, using the 6th bevel gear 3f as output terminal.
First screw 8a is by being driven after the first differential gear train resultant motion by main motor 1a and stand-by motor 1b；Second
Leading screw 8b is by being driven after the second differential gear train resultant motion by synchronous belt by main motor 1a and stand-by motor 1b；By
First displacement sensor 12a and second displacement sensor 12b corresponds detection and obtains the first sliding block 10a and the second sliding block 10b
Displacement and speed；Main motor 1a is permanent rotating speed motor or is variable speed electric motors, particularly, and stand-by motor 1b is rotating speed controllable motor.
In the present embodiment, main motor 1a and the first synchronous pulley 2a are direct-connected, and the first synchronous pulley 2a drives the second synchronous belt
2b rotations are taken turns, the second synchronous pulley 2b and first bevel gear 3a and the 4th bevel gear 3d are coaxial；7th bevel gear 3g is respectively with
One pivoted arm 4a and the second pivoted arm 4b engagements；The input of first bevel gear 3a and the first pivoted arm 4a synthesize through the first differential gear train
The output of third hand tap gear 3c, third hand tap gear 3c and the first leading screw 8a are coaxial, and the rotary motion of the first leading screw 8a passes through screw pair
It is converted into the linear motion up and down of the first sliding block 10a；The input of 4th bevel gear 3d and the second pivoted arm 4b are through the second differential gear train
The output of the 6th bevel gear 3f is synthesized, the 6th bevel gear 3f and first gear 7a are coaxial, and first gear 7a drives second gear
7b rotates, and second gear 7b and third synchronous pulley 2c are coaxial, and third synchronous pulley 2c passes through the 4th synchronous pulley 2d drives the
The rotation of two leading screw 8b, the rotary motion of the second leading screw 8b are converted into the linear motion up and down of the second sliding block 10b by screw pair；
7th bevel gear 3g and worm gear 5 are coaxial, and worm gear 5 forms worm gear mechanism, the output terminal of stand-by motor 1b and worm screw with worm screw 6
6 is direct-connected.
When stand-by motor 1b is stopped, the first pivoted arm 4a of the first differential gear train and second turn of the second differential gear train
Arm 4b is since worm and gear realizes self-locking remains stationary, by first bevel gear 3a, second bevel gear 3b and third hand tap gear 3c structures
Into fixed shaft gear train drive mechanism, fixed shaft gear train transmission is formed by the 4th bevel gear 3d, the 5th bevel gear 3e and the 6th bevel gear 3f
Structure is individually rotated in the opposite direction by main motor 1a drivings the first leading screw 8a and the second leading screw 8b.
When stand-by motor 1b works, stand-by motor 1b drives the 7th bevel gear 3g to rotate by worm and gear, and then band
The second pivoted arm 4b rotations of the first pivoted arm 4a and the second differential gear train of dynamic first differential gear train, main motor 1a drive second to synchronize
Belt wheel 2b is rotated；The rotary motion of the first pivoted arm 4a and the second synchronous pulley 2b of first differential gear train pass through the first differential gear train
The rotary motion of third hand tap gear 3c is synthesized, and then drives the first sliding block 10a linear motions in the first spiral vice mechanism；Together
When, the rotary motion of the second pivoted arm 4b and the second synchronous pulley 2b of the second differential gear train synthesize by the second differential gear train
The rotary motion of six bevel gear 3f, and then synchronized V belt translation drives the second sliding block 10b straight lines fortune in the second spiral vice mechanism
It is dynamic；It is big by controlling stand-by motor 1b that can adjust the speed to move along a straight line above and below the first sliding block 10a and the second sliding block 10b simultaneously
Small and direction.
The present embodiment is in calculating speed, and in Fig. 1, the first synchronous pulley of rotating member 2a, the second synchronous pulley 2b, third are same
Walk belt wheel 2c, the 4th synchronous pulley 2d, first bevel gear 3a, third hand tap gear 3c, the 4th bevel gear 3d, the 6th bevel gear 3f,
First pivoted arm 4a, the second pivoted arm 4b, worm screw 6, the first leading screw 7a and the second leading screw 7b are taken as seeing from the bottom up, by its up time
The rotation in needle direction is considered as positive direction；Translating element the first sliding block 9a and the second sliding block 9b take and move downward as positive direction；Screw pair
Screw pitch dextrorotation substitutes into positive value, the left-handed substitution negative value of screw pair screw pitch.In Fig. 2, worm screw 6 is taken as seeing from the bottom up, by it clockwise
The rotation in direction is considered as positive direction；Apparent direction is entered by drawing for worm gear 5, it is positive direction clockwise to take it；Then：
The velocity of displacement of first sliding block 10a is：
The velocity of displacement of second sliding block 10b is：
v10aFor the velocity of displacement of the first sliding block 10a, n8aFor the rotary speed of the first leading screw 8a,
v10bFor the velocity of displacement of the second sliding block 10b, n8bFor the rotary speed of the second leading screw 8b,
n1bFor the rotating speed of stand-by motor 1b, p1For the first leading screw 8a screw pitch,
p2For the second leading screw 8b screw pitch, n4aFor the first pivoted arm 4a rotating speeds,
n4bFor the second pivoted arm 4b rotating speeds, n1aFor the rotating speed of main motor 1a,
z2aFor the number of teeth of the first synchronous pulley 2a, z2bFor the number of teeth of the second synchronous pulley 2b,
z7aFor the number of teeth of first gear 7a, z7bFor the number of teeth of second gear 7b,
z2cFor the number of teeth of third synchronous pulley 2c, z2dFor the number of teeth of the 4th synchronous pulley 2d,
z3gFor the number of teeth of the 7th bevel gear 3g, z5For the number of teeth of worm gear 5,
z6For the head number of worm screw 6, z4aFor the number of teeth of the first pivoted arm 4a bevel gears,
z4bThe number of teeth for the second pivoted arm 4b bevel gears.
Energy-saving high flexibility double-station fly press sets initial position according to the following procedure in the present embodiment：
Step 1：Stand-by motor 1b does not work, and the second sliding block 10b is made to reach capacity position A using main motor 1a work；
Step 2：The work of main motor 1a is kept, and works at the same time stand-by motor 1b, and meet formula (1), makes the second cunning
Block 10b is maintained on extreme position A and is failure to actuate, and the first sliding block 10a is moved towards extreme position B, until the first sliding block 10a reaches
Stop the work of main motor 1a and stand-by motor 1b during extreme position B, complete initial position setting；Extreme position A and limit position
B is put as different extreme positions；
n1aFor the rotating speed of main motor 1a, n1bFor the rotating speed of stand-by motor 1b,
z2aFor the number of teeth of the first synchronous pulley 2a, z2bFor the number of teeth of the second synchronous pulley 2b,
z3gFor the number of teeth of the 7th bevel gear 3g, z4bFor the number of teeth of the second pivoted arm 4b bevel gears,
z5For the number of teeth of worm gear 5, z6Head number for worm screw 6.
Energy-saving high flexibility double-station fly press is controlled by following different modes in the present embodiment, realizes duplex
The symmetrical work in position, symmetrically work refers to double-station：First sliding block 10a and the second sliding block 10b reach different extreme positions simultaneously；
Mode one：The stroke of first sliding block 10a and the second sliding block 10b are equal；
If system meets formula (2), the rotating speed of setting stand-by motor 1b is zero, and the first sliding block is respectively driven by main motor 1a
10a and the second sliding block 10b realizes that double-station symmetrically works；
If system is unsatisfactory for formula (2), the rotating speed of setting stand-by motor 1b is not zero, and makes v10a=-v10b, i.e.,：
First sliding block is driven by main motor 1a and stand-by motor 1b jointly
10a and the second sliding block 10b realizes that double-station symmetrically works；
Mode two：The stroke of first sliding block (10a) and the second sliding block 10b are unequal；
If system meets formula (3), the rotating speed of setting stand-by motor 1b is zero, and the first sliding block is respectively driven by main motor 1a
10a and the second sliding block 10b realizes that double-station symmetrically works；
If system is unsatisfactory for formula (3), the rotating speed of setting stand-by motor 1b is not zero, and：
By main motor 1a and stand-by motor 1b drivings the jointly
One sliding block 10a and the second sliding block 10b realizes that double-station symmetrically works；
z7aFor the number of teeth of first gear 7a, z7bFor the number of teeth of second gear 7b,
z2cFor the number of teeth of third synchronous pulley 2c, z2dFor the number of teeth of the 4th synchronous pulley 2d,
p1For the screw pitch of the first leading screw 8a, p2For the screw pitch of the second leading screw 8b,
x1For the stroke of the first sliding block 10a, x2Stroke for the second sliding block 10b.
Energy-saving high flexibility double-station fly press in the present embodiment under the mode symmetrically to work in double-station, leads to
The rotating speed of control stand-by motor 1b is crossed, adjusts the relative displacement of the second sliding block 10b and the first sliding block 10a, realizes the second sliding block 10b
With the accurate control of the relative position of the first sliding block 10a.
Energy-saving high flexibility double-station fly press in the present embodiment, according to technological requirement, by controlling auxiliary electricity
The rotating speed of machine 1b adjusts the rotating speed of the first pivoted arm 4a and the second pivoted arm 4b, and then adjusts the first sliding block 10a and the second sliding block 10b
Speed, the first sliding block 10a and the second sliding block 10b displacements is made to be in the mode that non-duplex position symmetrically works, non-duplex position is right
Work is claimed to refer to：The first sliding block 10a and the second sliding block 10b is not required to reach different extreme positions simultaneously.
The energy-saving high flexibility double-station fly press of the present embodiment sets the unilateral work of double execution units as follows
Make state：
Keep the rotating speed n of stand-by motor 1b1bFor：Main motor 1a rotations are controlled, realize the first sliding block
10a is moved up and down, and the second sliding block 10b keeps a kind of motionless unilateral working condition in original position；
Or：Keep the rotating speed n of stand-by motor 1b1bFor：Main motor 1a rotations are controlled, realize second
Sliding block 10b is moved up and down, and the first sliding block 10a keeps the motionless unilateral working condition of another kind in original position；
n1aFor the rotating speed of main motor 1a, z2aFor the number of teeth of the first synchronous pulley 2a,
z2bFor the number of teeth of the second synchronous pulley 2b, z3gFor the number of teeth of the 7th bevel gear 3g,
z4aFor the number of teeth of the first pivoted arm 4a bevel gears, z4bFor the number of teeth of the second pivoted arm 4b bevel gears,
z5For the number of teeth of worm gear 5, z6Head number for worm screw 6.
Embodiment 2：
Referring to Fig. 2, the present embodiment it is same as Example 1 be two groups of spiral vice mechanisms be by the first cylinder 9a, first respectively
The first spiral vice mechanism that screw 8a, the first sliding block 10a and the first anti-rotation device 11a are formed and by the second cylinder 9b, second
The second spiral vice mechanism that screw 8b, the second sliding block 10b and the second anti-rotation device 11b are formed；By first bevel gear 3a, second
Bevel gear 3b, third hand tap gear 3c and the first pivoted arm 4a form the first differential gear train；By the 4th bevel gear 3d, the 5th bevel gear
3e, the 6th bevel gear 3f and the second pivoted arm 4b form the second differential gear train；Worm gear 5 forms worm gear mechanism, auxiliary with worm screw 6
The output terminal of motor 1b and worm screw 6 are direct-connected.First screw 8a is to pass through the first differential gear train by main motor 1a and stand-by motor 1b
It is driven after resultant motion；Second leading screw 8b is to pass through the second differential gear train resultant motion rear-guard by main motor 1a and stand-by motor 1b
It is dynamic；Detection is corresponded by the first displacement sensor 12a and second displacement sensor 12b and obtains the cunnings of the first sliding block 10a and second
The displacement of block 10b and speed；Main motor 1a can be permanent rotating speed motor, can also select variable speed electric motors, particularly, stand-by motor 1b is turns
Fast controllable motor.
The present embodiment and embodiment 1 are in structure except that the first differential gear train of the present embodiment is with the first pivoted arm 4a
It is input terminal with third hand tap gear 3c, using first bevel gear 3a as output terminal；Second differential gear train is with the second pivoted arm 4b and
Six bevel gear 3f are input terminal, using the 4th bevel gear 3d as output terminal；Stand-by motor 1b passes through the 9th cone tooth of worm and gear driving
3i and the tenth bevel gear 3j rotations are taken turns, the 9th bevel gear 3i drives third hand tap gear 3c to rotate by the 7th bevel gear 3g, and the tenth
Bevel gear 3j drives the 6th bevel gear 3f rotations by the 8th bevel gear 3h；Main motor 1a drives first turn by first gear 7a
Arm 4a rotates, and the first pivoted arm 4a drives the second pivoted arm 4b rotations.
Using by the horizontal positioned form of two differential gear trains, it is differential to reduce second relative to embodiment 1 for the present embodiment
Train drives the transmission chain complexity of the second leading screw 8b, drives the first leading screw 8a transmission chains identical with the first differential gear train, makes double
The structure of station fly press is compacter, reduces certain mechanical gearing losses, while in fly press double-station
During symmetrical work, identical transmission chain reduces the relative position error, so as to reduce the working time of stand-by motor so that energy saving
Effect is more obvious.In addition, the present embodiment, by rationally designing type selecting, is more applicable for no longer using toothed belt transmission mode
High-power and high-precision occasion.In control method, the present embodiment is substantially the same manner as Example 1, only because the change of transmission chain
Dynamic, specific equation of motion is changed.
The present invention does not limit to the combination that both the above uses differential gear train, as long as expanding by using differential gear train principle
Exhibition mechanical spiral forcing press execution unit belongs to model of the invention to obtain the mechanical spiral forcing press of high efficiency, high flexibility
It encloses.
Claims (7)
1. a kind of energy-saving high flexibility double-station fly press, it is characterized in that：
Two groups of screw pair Distribution of Institutions are set in forcing press both sides, two groups of spiral vice mechanisms be respectively by the first cylinder (9a),
The first spiral vice mechanism that first screw (8a), the first sliding block (10a) and the first anti-rotation device (11a) are formed and by the
The second spiral vice mechanism that two cylinder (9b), the second screw (8b), the second sliding block (10b) and the second anti-rotation device (11b) are formed；
First differential gear train is formed by first bevel gear (3a), second bevel gear (3b), third hand tap gear (3c) and the first pivoted arm (4a),
First differential gear train is for input terminal with first bevel gear (3a) and the first pivoted arm (4a), is defeated with third hand tap gear (3c)
Outlet；It is differential that second is formed by the 4th bevel gear (3d), the 5th bevel gear (3e), the 6th bevel gear (3f) and the second pivoted arm (4b)
Train, second differential gear train are for input terminal, with the 6th bevel gear with the 4th bevel gear (3d) and the second pivoted arm (4b)
(3f) is output terminal；
First screw (8a) is to pass through the first differential gear train resultant motion rear-guard by main motor (1a) and stand-by motor (1b)
It is dynamic；Second leading screw (8b) is by passing through after the second differential gear train resultant motion by main motor (1a) with stand-by motor (1b)
Synchronous belt is driven；Detection is corresponded by the first displacement sensor (12a) and second displacement sensor (12b) and obtains first
The displacement of sliding block (10a) and the second sliding block (10b) and speed；The main motor (1a) is permanent rotating speed motor or is variable speed electric motors, particularly,
The stand-by motor (1b) is rotating speed controllable motor.
2. energy-saving high flexibility double-station fly press according to claim 1, it is characterized in that：
The main motor (1a) and the first synchronous pulley (2a) are direct-connected, and the first synchronous pulley (2a) drives the second synchronous pulley (2b)
Rotation, the second synchronous pulley (2b) and first bevel gear (3a) and the 4th bevel gear (3d) are coaxial；7th bevel gear (3g) is respectively
It is engaged with the first pivoted arm (4a) and the second pivoted arm (4b)；First bevel gear (3a) and the input of the first pivoted arm (4a) are differential through first
Train synthesizes the output of third hand tap gear (3c), third hand tap gear (3c) with the first leading screw (8a) coaxially, the first leading screw (8a)
Rotary motion the linear motion up and down of the first sliding block (10a) is converted by screw pair；4th bevel gear (3d) with second turn
The input of arm (4b) synthesizes the output of the 6th bevel gear (3f), the 6th bevel gear (3f) and first gear through the second differential gear train
(7a) coaxially, first gear (7a) drives second gear (7b) to rotate, second gear (7b) and third synchronous pulley (2c) coaxially,
Third synchronous pulley (2c) drives the rotation of the second leading screw (8b), the rotation of the second leading screw (8b) by the 4th synchronous pulley (2d)
Movement is converted into the linear motion up and down of the second sliding block (10b) by screw pair；7th bevel gear (3g) and worm gear (5) coaxially,
Worm gear (5) forms worm gear mechanism with worm screw (6), and the output terminal of stand-by motor (1b) and worm screw (6) are direct-connected；
When stand-by motor (1b) is stopped, the first pivoted arm (4a) of the first differential gear train and second turn of the second differential gear train
Arm (4b) is since worm and gear realizes self-locking remains stationary, by first bevel gear (3a), second bevel gear (3b) and triconodont
It takes turns (3c) and forms fixed shaft gear train drive mechanism, by the 4th bevel gear (3d), the 5th bevel gear (3e) and the 6th bevel gear (3f) structure
Into fixed shaft gear train drive mechanism, individually the first leading screw (8a) and the second leading screw (8b) is driven to revolve in the opposite direction by main motor (1a)
Turn；
When stand-by motor (1b) works, stand-by motor (1b) drives the 7th bevel gear (3g) to rotate by worm and gear, and then
The second pivoted arm (4b) rotation of the first pivoted arm (4a) and the second differential gear train of the first differential gear train is driven, main motor (1a) drives
Second synchronous pulley (2b) rotates；The first pivoted arm (4a) of first differential gear train is transported with the rotation of the second synchronous pulley (2b)
The dynamic rotary motion that third hand tap gear (3c) is synthesized by first differential gear train, and then drive in the first spiral vice mechanism
The first sliding block (10a) linear motion；Meanwhile the second pivoted arm (4b) of second differential gear train and the second synchronous pulley (2b)
Rotary motion the rotary motion of the 6th bevel gear (3f), and then synchronized V belt translation are synthesized by second differential gear train
The second sliding block (10b) in the second spiral vice mechanism is driven to move along a straight line；By controlling stand-by motor (1b) that can adjust simultaneously
The velocity magnitude and direction that first sliding block (10a) and the second sliding block (10b) move along a straight line up and down.
3. energy-saving high flexibility double-station fly press according to claim 2, it is characterized in that：
Initial position is set according to the following procedure：
Step 1：Stand-by motor (1b) does not work, and the second sliding block (10b) is made to reach capacity position A using main motor (1a) work；
Step 2：The work of main motor (1a) is kept, and works at the same time stand-by motor (1b), and meet formula (1), makes the second cunning
Block (10b) is maintained on extreme position A and is failure to actuate, and the first sliding block (10a) is moved towards extreme position B, until the first sliding block
(10a) reach capacity position B when stop main motor (1a) and stand-by motor (1b) work, complete initial position set；It is described
Extreme position A and extreme position B is different extreme position；
4. energy-saving high flexibility double-station fly press according to claim 2, it is characterized in that：By following different modes
It is controlled, realizes that double-station symmetrically works, symmetrically work refers to the double-station：First sliding block (10a) and the second sliding block
(10b) while reach different extreme positions；
Mode one：The stroke of first sliding block (10a) and the second sliding block (10b) is equal；
If system meets formula (2), the rotating speed of setting stand-by motor (1b) is zero, and the first sliding block is respectively driven by main motor (1a)
(10a) and the second sliding block (10b) realize that double-station symmetrically works；
If system is unsatisfactory for formula (2), the rotating speed of setting stand-by motor (1b) is not zero, by main motor (1a) and stand-by motor (1b)
The first sliding block of common driving (10a) and the second sliding block (10b) realize that double-station symmetrically works；
Mode two：The stroke of first sliding block (10a) and the second sliding block (10b) is unequal；
If system meets formula (3), the rotating speed of setting stand-by motor (1b) is zero, and the first sliding block is respectively driven by main motor (1a)
(10a) and the second sliding block (10b) realize that double-station symmetrically works；
If system is unsatisfactory for formula (3), the rotating speed of setting stand-by motor (1b) is not zero, by main motor (1a) and stand-by motor (1b)
The first sliding block of common driving (10a) and the second sliding block (10b) realize that double-station symmetrically works；
5. energy-saving high flexibility double-station fly press according to claim 4, it is characterized in that：In the symmetrical work of double-station
Under the mode of work, by controlling the rotating speed of stand-by motor (1b), the second sliding block of adjustment (10b) and the first sliding block (10a) it is opposite
The accurate control of the relative position of the second sliding block (10b) and the first sliding block (10a) is realized in displacement.
6. energy-saving high flexibility double-station fly press according to claim 2, it is characterized in that：According to technological requirement,
By controlling the rotating speed of the rotating speed of stand-by motor (1b), the first pivoted arm of adjustment (4a) and the second pivoted arm (4b), and then adjust first
The speed of sliding block (10a) and the second sliding block (10b) makes the first sliding block (10a) and the second sliding block (10b) displacement be in non-duplex position
Under the mode symmetrically to work, symmetrically work refers to for the non-duplex position：The first sliding block (10a) and the second sliding block (10b) are not required
Reach different extreme positions simultaneously.
7. energy-saving high flexibility double-station fly press according to claim 2, it is characterized in that：
The unilateral working condition of double execution units is set as follows：
Keep the rotating speed n of stand-by motor (1b)1bFor：Main motor (1a) is controlled to rotate, realizes the first sliding block
(10a) is moved up and down, and the second sliding block (10b) keeps a kind of motionless unilateral working condition in original position；
Or：Keep the rotating speed n of stand-by motor (1b)1bFor：Main motor (1a) is controlled to rotate, realizes that second slides
Block (10b) moves up and down, and the first sliding block (10a) keeps the motionless unilateral working condition of another kind in original position；
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|---|---|---|---|---|
| JPH1158091A (en) * | 1997-08-26 | 1999-03-02 | Aida Eng Ltd | Servo motor driven press |
| CN2723178Y (en) * | 2004-06-09 | 2005-09-07 | 华中科技大学 | Electric screw press |
| CN101011866A (en) * | 2006-10-20 | 2007-08-08 | 广东工业大学 | Screw precision pressing machine |
| CN103358577A (en) * | 2013-07-05 | 2013-10-23 | 苏州大学 | Double-station hydrostatic transmission press |
| JPWO2015056469A1 (en) * | 2013-10-16 | 2017-03-09 | 新東工業株式会社 | Multi-axis electric press |
| JP6237938B1 (en) * | 2016-10-18 | 2017-11-29 | 株式会社安川電機 | Multi-axis motor control system, motor control device, and motor control method |
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2017
- 2017-12-28 CN CN201711459374.XA patent/CN108189446B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1158091A (en) * | 1997-08-26 | 1999-03-02 | Aida Eng Ltd | Servo motor driven press |
| CN2723178Y (en) * | 2004-06-09 | 2005-09-07 | 华中科技大学 | Electric screw press |
| CN101011866A (en) * | 2006-10-20 | 2007-08-08 | 广东工业大学 | Screw precision pressing machine |
| CN103358577A (en) * | 2013-07-05 | 2013-10-23 | 苏州大学 | Double-station hydrostatic transmission press |
| JPWO2015056469A1 (en) * | 2013-10-16 | 2017-03-09 | 新東工業株式会社 | Multi-axis electric press |
| JP6237938B1 (en) * | 2016-10-18 | 2017-11-29 | 株式会社安川電機 | Multi-axis motor control system, motor control device, and motor control method |
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