CN108705130A - The method of high-precision plate shearing machine and its accurate shearing board material - Google Patents
The method of high-precision plate shearing machine and its accurate shearing board material Download PDFInfo
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- CN108705130A CN108705130A CN201810471308.2A CN201810471308A CN108705130A CN 108705130 A CN108705130 A CN 108705130A CN 201810471308 A CN201810471308 A CN 201810471308A CN 108705130 A CN108705130 A CN 108705130A
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- 238000010008 shearing Methods 0.000 title claims abstract description 119
- 239000000463 material Substances 0.000 title claims abstract description 90
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000003825 pressing Methods 0.000 claims abstract description 23
- 239000003921 oil Substances 0.000 claims description 47
- 230000005611 electricity Effects 0.000 claims description 41
- 239000011230 binding agent Substances 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 16
- 238000004146 energy storage Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/06—Sheet shears
- B23D15/08—Sheet shears with a blade moved in one plane, e.g. perpendicular to the surface of the sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The present invention relates to a kind of high-precision plate shearing machine and its methods of accurate shearing board material, forestock flitch is in the C-shaped that Open Side Down, forestock flitch is connected separately with upper wedge block below the roof of left and right ends, the inclined-plane of upper wedge block bottom is respectively supported on the inclined-plane of lower sphenoid, inclined-plane tilts along the longitudinal direction, lower sphenoid is the hollow shell structure of lower end and open rearward end, the inner cavity of lower sphenoid is separately installed with retainer plate driving cylinder, its piston rod front end is fixedly connected by driving plate with the antetheca of lower sphenoid, retainer plate drives the bottom of cylinder to fix on the table；It is connected separately with vertically extending socket below the roof of forestock flitch left and right ends, the left and right ends of workbench are respectively fixed with the retainer plate upwardly extended and have strong market potential, and the upper end that each retainer plate is had strong market potential passes through in workbench and respectively grafting in the pin hole of socket.Forestock flitch declines automatically when plate is compacted, and after material pressing device backhaul is completed in shearing, forestock flitch floats automatically, and shear precision is high.
Description
Technical field
The present invention relates to a kind of plate shearing machine, more particularly to a kind of high-precision plate shearing machine, the invention further relates to one kind accurately to cut
The method of cutting plate material belongs to plate shearing machine technical field.
Background technology
In the prior art, forestock flitch used in plate shearing machine is fixed structure, is evenly distributed on forestock flitch more
The bottom of a retainer ball, forestock flitch is fixed on the table.Plate is supporting on retainer ball to clipped position and is sent into,
It being scratched when to avoid plate from being sent into cutting, needing to be higher by several millimeters than cutting when forestock flitch supporting plate material is sent into, arrive
Up to after clipped position, material pressing device pushes down plate, and then upper slitter, which is fallen, is sheared.Since material pressing device is pushing down plate
Afterwards, plate will appear deformation, and the plate precision after shearing is caused to be affected, particularly evident in the case that sheet thickness is relatively thin.
Invention content
The primary purpose of the present invention is that overcoming problems of the prior art, a kind of high-precision plate shearing machine is provided,
Before knife rest shearing, it is ensured that plate is reliably pushed down and keeps smooth.
In order to solve the above technical problems, a kind of high-precision plate shearing machine of the invention, including workbench 1, knife rest and driving knife
The top of the shearing oil cylinder of frame, workbench 1 is equipped with forestock flitch 3, and multiple retainer balls 2 are evenly distributed on forestock flitch 3, preceding
Retainer plate 3 is connected separately with upper wedge block 4 in the C-shaped that Open Side Down, forestock flitch 3 below the roof of left and right ends, on
The inclined-plane of 4 bottom of wedge block is respectively supported on the inclined-plane at 5 top of lower sphenoid, and the inclined-plane tilts along the longitudinal direction, hyposphene
Body 5 is the hollow shell structure of lower end and open rearward end, and the inner cavity of lower sphenoid 5 is separately installed with retainer plate driving cylinder 6, support
The piston rod front end of flitch driving cylinder 6 is connected separately with driving plate 6a, driving plate 6a antethecas with corresponding time sphenoid 5 respectively
It is fixedly connected, the bottom of retainer plate driving cylinder 6 is fixed on workbench 1；Below the roof of 3 left and right ends of forestock flitch respectively
It is connected with vertically extending socket, the left and right ends of workbench 1 are respectively fixed with the retainer plate upwardly extended and have strong market potential 7, respectively
Have strong market potential 7 upper end of retainer plate passes through in workbench 1 and the respectively pin hole of socket described in grafting.
Compared with the existing technology, the present invention achieves following advantageous effect：7 it is limited in socket since retainer plate is had strong market potential
In so that forestock flitch 3 can only float up and down；Under non-shear state, retainer plate drives the piston rod of cylinder 6 to stretch out, driving plate
6a drives lower sphenoid 5 to move forward, and upper wedge block 4 is jacked up upwards, forestock flitch 3 is able to upward floating a distance, locates
In than cutting the state being higher by, when avoiding feeding, plate scratches with cutting.When machine starts shearing, material pressing device is first
Downlink, while the piston rod of retainer plate driving cylinder 6 is retracted, lower sphenoid 5 moves backward, under upper wedge block 4 and forestock flitch 3
Fall a distance so that the top of retainer ball 2 is equal with the knife edge cut, and material pressing device falls into place with plate and by plate
It compresses, plate is compacted in the state of being laid flat, and is not in deformation, improves the precision of shearing board material, and then knife rest drives
Upper slitter downlink completes shearing.After the completion of shearing, the piston rod of retainer plate driving cylinder 6 stretches out again, drives lower sphenoid 5 forward
It is mobile, upper wedge block 4 is jacked up again, forestock flitch 3 is returned to than cutting the state being higher by, and is sent into convenient for the next round of plate.
As an improvement of the present invention, the left and right sides wall of lower sphenoid 5 sticks on the left and right of retainer plate driving cylinder 6 respectively
Both sides.Limit and guiding role are played in the left and right sides of retainer plate driving cylinder 6 to the left and right sides wall of lower sphenoid 5, ensure
It is smoothly lifted.
As further improvement of the invention, the rod chamber and rodless cavity of retainer plate driving cylinder 6 are respectively by unidirectionally saving
Stream valve D1 is connected with the A mouths of retainer pneumatic operated valve YV2 and B mouthfuls, and retainer pneumatic operated valve YV2 is two five-way electromagnetic valves, retainer pneumatic operated valve
The P mouths of YV2 are connected by pneumatic triple piece 8 with gas source pipe, and the R mouths of retainer pneumatic operated valve YV2 are connected with silencer with S mouthfuls.
Compressed air reaches the P mouths of two five-way electromagnetic valve YV2, when two five-way electromagnetic valve YV2 dead electricity, P by pneumatic triple piece 8
Mouth is communicated with A mouthfuls, and compressed air enters the rod chamber that retainer plate drives cylinder 6 from A mouthfuls, and retainer plate drives the piston rod of cylinder 6
It retracts, lower sphenoid 5 moves backward, and forestock flitch 3 falls.When two five-way electromagnetic valve YV2 obtain electric, P mouthfuls communicate with B mouthfuls,
Compressed air enters the rodless cavity that retainer plate drives cylinder 6 from B mouthfuls, and retainer plate drives the piston rod of cylinder 6 to stretch out, lower sphenoid
5 move forward, and forestock flitch 3 floats.
As further improvement of the invention, the shearing oil cylinder is controlled by shearing solenoid valve YV1 and provides pressure by oil pump
Power oil, retainer plate driving cylinder 6 are controlled by retainer pneumatic operated valve YV2, and the coil of shearing solenoid valve YV1 and the first of relay two is often
It is connected between+24VDC and 0VDC after open contact KA2-1 series connection；The of the coil of retainer pneumatic operated valve YV2 and selecting switch SA3
The delay of one normally open contact SA3-1, retainer delay fall time relay KT1 disconnect normally closed interlock, relay three second often
It is connected between+24VDC and 0VDC after closing contact KA3-4 series connection；Knife rest is equipped between the firewire and zero curve in shearing property circuit
Downlink controlling brancher, the knife rest downlink controlling brancher include the floor push SF being sequentially connected in series, relay three it is first normally closed
The coil of two KA2 of contact KA3-3 and relay, the line of the coil and two KA2 of relay of retainer delay fall time relay KT1
Circle is in parallel；Tool rest return stroke controlling brancher, the tool rest return stroke control are additionally provided between the firewire and zero curve in shearing property circuit
Branch includes the coil for three KA3 of knife rest lower dead center travel switch SQ3 and relay being sequentially connected in series, and the second of relay three is normally opened
Contact KA3-2 is connected between the lower pile crown of knife rest lower dead center travel switch SQ3 and the lower pile crown of floor push SF；Shearing property
Pneumatic retainer controlling brancher is additionally provided between the firewire and zero curve in circuit, the pneumatic retainer controlling brancher includes being sequentially connected in series
The delay that first normally open contact KA3-1 of relay three, retainer delay lift time relay KT2 disconnects normally closed interlock, selection
The coil of time relay KT2 is lifted in the second normally open contact SA3-2 and the retainer delay of switch SA3, and the time is lifted in retainer delay
The coil of relay KT2 and the coil of three KA3 of relay are in parallel.
Selecting switch SA3 is placed in execution quick condition, the first normally open contact SA3-1 of selecting switch SA3 and second is normal
Open contact SA3-2 is closed, and retainer pneumatic operated valve YV2 is in obtain electricity condition at this time, and retainer plate drives the piston rod of cylinder 6 to be in stretching
State, lower sphenoid 5 moves forward jacks up upper wedge block 4 upwards, and the automatic floating a distance upwards of forestock flitch 3 is in
Than cutting the state being higher by, when avoiding feeding, plate scratches with cutting.After stepping on floor push SF, two KA2's of relay
Coil obtains electric, and it is electric that the first normally open contact KA2-1 closure of relay two makes shearing solenoid valve YV1 obtain, and shears hydraulic oil cylinder driving knife rest
And binder underfooting row, while retainer delay fall time relay KT1 obtains electric, beginning timing, when waiting binders foot press to plate, support
The delay of material delay fall time relay KT1 disconnects normally closed interlock and disconnects, and makes retainer pneumatic operated valve YV2 dead electricity, under forestock flitch 3
It falls so that the top of retainer ball 2 is equal with the knife edge cut, and material pressing device, which is fallen into place, at this time compresses plate, waits for knife
Frame downlink drives upper slitter to complete shearing.If plate forestock flitch 3 in the state of not being held down falls, it is easy to make plate
Vibration influences shear precision；The present invention waits for binder foot press to plate by retainer delay fall time relay KT1 delays
Afterwards, forestock flitch 3 is just controlled by retainer pneumatic operated valve YV2 and synchronizes whereabouts with binder foot, can shaken to avoid plate, improved
Shear precision.After the completion of shearing, knife rest reaches lower dead center, and knife rest lower dead center travel switch SQ3 is closed, and makes three KA3's of relay
Coil obtains electric, the first normally open contact KA3-1 closures of relay three, and lifts prolonging for time relay KT2 by retainer delay
When disconnect normally closed interlock realize self-locking, retainer delay lifts time relay KT2 coil simultaneously it is electric, beginning timing；Relay
First normally closed interlock KA3-3 of device three is disconnected, and makes the coil losing electricity of two KA2 of relay, the first normally open contact of relay two
KA2-1 is disconnected, and shearing solenoid valve YV1 dead electricity is made to reset, and unclamps floor push SF, knife rest by energy storage equipment automatically back up
Journey, material pressing device are also lifted up under action of reset spring；After waiting for material pressing device to return up, the time is lifted in retainer delay
The delay of relay KT2 disconnects normally closed interlock and disconnects latching circuit, and retainer delay is made to lift the coil and support of time relay KT2
The coil while dead electricity of time relay KT2 is lifted in material delay, and the second normally closed interlock KA3-4 of relay three returns to closed form
State, retainer pneumatic operated valve YV2 again it is electric, forestock flitch 3 floats to top automatically, preparation next round feeding.If after the completion of shearing,
Floor push SF does not unclamp, then the second normally open contact KA3-2 of relay three is closed, and the coil of three KA3 of relay obtains electric self-locking,
The first normally closed interlock KA3-3 disconnections of relay three make the coil of two KA2 of relay that can not obtain electric at this time, and the first of relay two
It is electric that normally open contact KA2-1 disconnections make shearing solenoid valve YV1 that can not obtain, and the second normally closed interlock KA3-4 disconnections of relay three make support
It is electric to expect that pneumatic operated valve YV2 can not be obtained, lathe is stopped, and function is rushed to realize the anti-company of single.
As further improvement of the invention, the company's of being additionally provided with punching control branch between the firewire and zero curve in shearing property circuit
Road, the company rush controlling brancher include the first normally open contact for two SA2 of key switch being sequentially connected in series, relay one first often
The coil of one KA1 of normally closed interlock SQ2-1 and relay of open contact KA1-1, knife rest top dead centre travel switch SQ2, floor push
It is sequentially connected in series two SA2's of key switch between the lower pile crown and the normally closed interlock SQ2-1 of knife rest top dead centre travel switch SQ2 of SF
On the third normally closed interlock KA3-5 of second normally open contact and relay three, the 4th normally closed interlock KA3-6 and knife rest of relay three
The normally closed interlock SQ2-1 of stop travel switch SQ2 is in parallel；The firewire in shearing property circuit is normally closed tactile with the first of relay three
Head KA3-3 upper pile crown between be in series with knife rest top dead centre travel switch SQ2 normally open contact SQ2-2 and relay one second
Normally open contact KA1-2, the normally open contact of the second normally open contact KA2-2 and knife rest top dead centre travel switch SQ2 of relay two
SQ2-2 is in parallel.
When test run, two SA2 of key switch is turned into the positions Lian Chong, the normally open contact of two SA2 of key switch is closed, normally closed
Contact disconnects, and after stepping on floor push SF, the coil of one KA1 of relay obtains electric, and the first normally open contact KA1-1 of relay one is closed
Self-locking is closed, the second normally open contact KA1-2 of relay one is also closed；Since knife rest is initially in top dead center position, stop on knife rest
The normally open contact SQ2-2 of point travel switch SQ2 is closed so that the coil of two KA2 of relay obtains electric, and the first of relay two is normally opened
It is electric that contact KA2-1 closures make shearing solenoid valve YV1 obtain, and shears hydraulic oil cylinder driving knife rest and binder underfooting row, and under forestock flitch 3
Backwardness compresses plate, drives upper slitter to complete shearing with back tool rest downlink.When knife rest leaves top dead centre, knife rest top dead centre stroke
The normally closed interlock SQ2-1 closures of switch SQ2 make the coil of one KA1 of relay be maintained to obtain electricity condition；Knife rest is not in lower dead center position
When setting, the third normally closed interlock KA3-5 and the 4th normally closed interlock KA3-6 of relay three are in closed state, also ensure that relay
The coil of one KA1 of device is maintained to obtain electricity condition.After the completion of shearing, knife rest reaches lower dead center, and knife rest lower dead center travel switch SQ3 is closed
It closes, so that the coil of three KA3 of relay is obtained electric, the first normally closed interlock KA3-3 of relay three is disconnected, and makes the line of two KA2 of relay
Dead electricity is enclosed, the first normally open contact KA2-1 of relay two is disconnected, and so that shearing solenoid valve YV1 dead electricity is resetted, knife rest is filled by accumulation of energy
Set automatic upward backhaul.When knife rest turns again to top dead centre, the normally open contact SQ2-2 of knife rest top dead centre travel switch SQ2 is again
Secondary closure makes the coil of one KA1 of relay by the third normally closed interlock KA3-5 and the 4th normally closed interlock KA3-6 of relay three
Be kept as electricity, and the coil of two KA2 of relay again it is electric, knife rest again realize and even rush by downlink.
As further improvement of the invention, the shearing oil cylinder provides pressure oil by oil pump, and the oil pump is by oil pump electricity
Machine M1 drivings, Oil pump electrical machinery M1 are controlled by the main contact of one KM1 of contactor, oil are equipped between the firewire and zero curve in master control circuit
Controlling brancher is pumped, the oil pump control branch includes the stop button SB2, start button SB3, electrothermal relay FR being sequentially connected in series
The coil of one KM1 of normally closed interlock and contactor, the first normally open contact KM1-1 and start button SB3 phases of one KM1 of contactor are simultaneously
Connection, the second normally open contact KM1-2 of one KM1 of contactor are connected with the MRDY input terminals of E21S digital control systems.Press start button
The coil of SB3, one KM1 of contactor obtain electric, the first normally open contact KM1-1 closure self-lockings of one KM1 of contactor, one KM1 of contactor
Main contact be closed, Oil pump electrical machinery M1 starts, and pressure oil is provided for hydraulic press；The second normally open contact KM1-2 of one KM1 of contactor
It is closed, the MRDY input terminals of E21S digital control systems receive Oil pump electrical machinery enabling signal.Press stop button SB2, Oil pump electrical machinery
M1 stops.
As further improvement of the invention, plate shearing machine further includes rear material stopping device, and the rear material stopping device is by back material stopping
Motor M2 drivings, the rotating forward of back material stopping motor M2 are controlled by the main contact of two KM2 of contactor, and the reversion of back material stopping motor M2 is controlled
In the main contact of three KM3 of contactor；It is additionally provided with back material stopping controlling brancher between the firewire and zero curve in master control circuit, is kept off after described
Material controlling brancher include the first normally closed interlock KA2-3 for two KA2 of relay being sequentially connected in series, five KA5 of relay normally open contact,
The coil of the normally closed interlock of back material stopping front limit switch SQ4, two KM2 of normally closed interlock and contactor of three KM3 of contactor, relay
After being sequentially connected in series the normally open contact of four KA4 of relay, back material stopping between the lower pile crown and zero curve of 2 first normally closed interlock KA2-3
The coil of the normally closed interlock of limit switch SQ5, three KM3 of normally closed interlock and contactor of two KM2 of contactor；Two KA2's of relay
Second normally closed interlock KA2-4 is connected with the STEP input terminals of E21S digital control systems, the X+ output ends and relay of E21S digital control systems
The coil of four KA4 of device is connected, and the X- output ends of E21S digital control systems are connected with the coil of five KA5 of relay；E21S digital control systems
Encoder port be connected with monitoring blocking behind press encoder PG.
When the sheared length of plate needs to shorten, E21S digital control systems make the coil of five KA5 of relay obtain electric, relay
The normally open contact of five KA5 is closed, and the coil of two KM2 of contactor obtains electric, the main contact closure of two KM2 of contactor, back material stopping motor
M2 is rotated forward, and the normally closed interlock of two KM2 of contactor disconnects, and makes the coil of three KM3 of contactor that can not obtain electric；It is kept off after encoder PG monitoring
The physical location that discharge position reaches.When rear material stopping device reaches front limit, the normally closed interlock of back material stopping front limit switch SQ4 is disconnected
It opens, the coil losing electricity of two KM2 of contactor, back material stopping motor M2 stops.When the sheared length of plate needs to lengthen, E21S numerical controls
It is electric that system makes the coil of four KA4 of relay obtain, and the normally open contact of four KA4 of relay is closed, the coil of three KM3 of contactor obtain it is electric,
The main contact of three KM3 of contactor is closed, and back material stopping motor M2 reversions, the normally closed interlock of three KM3 of contactor disconnects, and makes contactor two
The coil of KM2 can not obtain electric；When being limited after rear material stopping device arrival, the normally closed interlock of back material stopping rear limit switch SQ5 disconnects,
The coil losing electricity of three KM3 of contactor, back material stopping motor M2 stop.First normally closed interlock KA2-3 of relay two ensures shearing
Under state, the adjusting of rear material stopping device can not be carried out.Often complete a shear action, the second normally closed interlock of two KA2 of relay
KA2-4 is disconnected once, and E21S digital control systems are counted.
As further improvement of the invention, the normally closed interlock string of the normally closed interlock and five KA5 of relay of four KA4 of relay
It is connected to after connection between the firewire in master control circuit and the firewire in shearing property circuit.When rear material stopping device is adjusted forward or backward
When section is set, the normally closed interlock of five KA5 of normally closed interlock or relay of four KA4 of relay disconnects, the firewire in shearing property circuit
It can not obtain electric, shear action can not carry out.
As further improvement of the invention, the coil phase of the X-IP output ends and six KA6 of relay of E21S digital control systems
Even, it is in series with the normally opened of six KA6 of relay between the coil of two KA2 of the first normally closed interlock KA3-3 and relay of relay three
Contact；The CutDly output ends of E21S digital control systems are connected with the coil of seven KA7 of relay, the normally open contact of seven KA7 of relay
It is connected between the coil of three KA3 of firewire and relay in shearing property circuit.When the shearing of plate reaches setting number, after
The normally open contact of the coil losing electricity of six KA6 of electric appliance, six KA6 of relay disconnects, and makes the coil of two KA2 of relay that can not obtain electric, cuts
Cut termination.After the shearing of plate reaches setting time, the coil of seven KA7 of relay obtains electric, the normally open contact of seven KA7 of relay
It is closed, the coil of three KA3 of relay obtains electric, and the first normally closed interlock KA3-3 of relay three is disconnected, and makes the line of two KA2 of relay
Circle can not obtain electric, shearing termination.
It is another object of the present invention to overcome problems of the prior art, provide a kind of accurate shearing board material
Method, will not be deformed when plate is compacted, shear precision is high.
In order to solve the above technical problems, the method for the accurate shearing board material of the present invention includes such as successively in each working cycles
Lower action：(1) forestock flitch 3 is higher than plate feeding is carried out in the state of cutting, until the back edge of plate is resisted against back material stopping dress
It sets；(2) floor push SF is stepped on, so that the coil of two KA2 of relay is obtained electric, and then shears solenoid valve YV1 and obtains electric, shearing oil cylinder
Knife rest and binder underfooting row are driven, while retainer delay fall time relay KT1 obtains electric, beginning timing；(3) equal binders foot press
When to plate, the delay of retainer delay fall time relay KT1 disconnects normally closed interlock and disconnects, and makes retainer pneumatic operated valve YV2 dead electricity,
Retainer plate drives the piston rod of cylinder 6 to retract, and lower sphenoid 5 moves backward, and forestock flitch 3 falls so that the top of retainer ball 2
Portion is equal with the knife edge cut, and material pressing device falls into place with plate and compresses plate；(4) knife rest drives upper slitter downlink to complete
Shearing；(5) when knife rest reaches lower dead center, the coil of three KA3 of relay obtains electric, and retainer, which is delayed, lifts the coil of time relay KT2
Electric, beginning timing is obtained simultaneously；First normally closed interlock KA3-3 of relay three is disconnected, and makes the coil losing electricity of two KA2 of relay, after
First normally open contact KA2-1 of electric appliance two is disconnected, and so that shearing solenoid valve YV1 dead electricity is resetted, is unclamped floor push SF, knife rest passes through
Energy storage equipment upward backhaul automatically, material pressing device are also lifted up under action of reset spring；(6) after material pressing device returns up,
The delay that time relay KT2 is lifted in retainer delay disconnects normally closed interlock disconnection, and retainer delay is made to lift time relay KT2's
The coil while dead electricity of time relay KT2 is lifted in coil and retainer delay, and the second normally closed interlock KA3-4 of relay three is returned to
Closed state, retainer pneumatic operated valve YV2 again it is electric；(7) the piston rod of retainer plate driving cylinder 6 stretches out, and lower sphenoid 5 is to Forward
Dynamic, forestock flitch 3 floats to top automatically, prepares the next round feeding for receiving plate.
Compared with the existing technology, the present invention achieves following advantageous effect：1. when plate feeding, under forestock flitch 3 is higher than
The knife edge of knife can scratch to avoid plate with cutting；2. when the tight plate of binder foot press, forestock flitch 3 sinks to making support automatically
Expect that the top of ball 2 is equal with the knife edge cut, plate is able to be compacted under horizontality, will not deform, make shearing
Precision higher；3. if plate forestock flitch 3 in the state of not being held down falls, it is easy to make plate that vibration, this hair occur
After the bright delay fall time relay KT1 delay waiting binder foot press to plate by retainer, just passes through retainer pneumatic operated valve YV2 and control
Forestock flitch 3 processed is synchronized with binder foot and is fallen, and can be shaken to avoid plate, be further increased shear precision；4. having sheared
Cheng Hou, while tool rest return stroke, retainer delay lifts time relay KT2 and starts timing, preceding after waiting material pressing devices to return up
Retainer plate 3 floats to top automatically, avoids interfering with material pressing device, is also ready for next round feeding.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments, attached drawing only provide with reference to
Illustrate to use, it is non-limiting the present invention.
Fig. 1 is the front view of front supporting plate portion position in the present invention.
Fig. 2 be Fig. 1 in along the sectional view of A-A.
Fig. 3 is the sectional view along B-B in Fig. 1.
Fig. 4 is the sectional view along C-C in Fig. 1.
Fig. 5 is the stereogram of Fig. 1.
Fig. 6 is the hydraulic schematic diagram that retainer plate drives cylinder.
Fig. 7 is the electrical schematic diagram of high-precision plate shearing machine of the present invention.
In figure：1. workbench；2. retainer ball；3. forestock flitch；Wedge block on 4.；5. lower sphenoid；6. retainer plate drives
It takes offence cylinder；6a. driving plates；6b. rodless cavity air inlets；6c. rod chamber air inlets；7. retainer plate is had strong market potential；8. pneumatic triple piece；
SA1. key switch one；SA2. key switch two；SA3. selecting switch；SF. floor push；QF1. breaker one；QF2. breaking
Device two；QF3. breaker three；QF4. breaker four；QF5. breaker five；SQ2. knife rest top dead centre travel switch；SQ3. under knife rest
Stop travel switch；SQ4. back material stopping front limit switch；SQ5. back material stopping rear limit switch；SB1. scram button；SB2. stop
Button；SB3. start button；YV1. solenoid valve is sheared；YV2. retainer pneumatic operated valve；KT1. retainer delay fall time relay；
KT2. the time relay is lifted in retainer delay；KM1. contactor one；KM2. contactor two；KM3. contactor three；FR. hot relay
Device；KA1. relay one；KA2. relay two；KA3. relay three；KA4. relay four；KA5. relay five；KA6. relay
Device six；KA7. relay seven；M1. Oil pump electrical machinery；M2. back material stopping motor；PG. encoder；VC. bridge rectifier；VC1. exchange becomes
Commutator transformer.
Specific implementation mode
As shown in Figures 1 to 5, high-precision plate shearing machine of the invention includes workbench 1, knife rest and the shearing oil for driving knife rest
The top of cylinder, workbench 1 is equipped with forestock flitch 3, is evenly distributed with multiple retainer balls 2 on forestock flitch 3, forestock flitch 3 is in
The C-shaped that Open Side Down, forestock flitch 3 are connected separately with upper wedge block 4,4 bottom of upper wedge block below the roof of left and right ends
The inclined-plane in portion is respectively supported on the inclined-plane at 5 top of lower sphenoid, and inclined-plane tilts along the longitudinal direction, and lower sphenoid 5 is lower end
And the hollow shell structure of open rearward end, the inner cavity of lower sphenoid 5 are separately installed with retainer plate driving cylinder 6, retainer plate drives cylinder 6
Piston rod front end be connected separately with driving plate 6a, driving plate 6a is fixedly connected with the antetheca of corresponding lower sphenoid 5 respectively, retainer
The bottom of plate driving cylinder 6 is fixed on workbench 1；It is connected separately with vertically below the roof of 3 left and right ends of forestock flitch
The socket of extension, the left and right ends of workbench 1 are respectively fixed with the retainer plate upwardly extended and have strong market potential 7, and each retainer plate has strong market potential 7
Upper end passes through in workbench 1 and respectively grafting in the pin hole of socket.
7 it is limited in socket so that forestock flitch 3 can only float up and down since retainer plate is had strong market potential；In non-shear state
Under, retainer plate drives the piston rod of cylinder 6 to stretch out, and driving plate 6a drives lower sphenoid 5 to move forward, and upper wedge block 4 is upward
It jacks up, forestock flitch 3 is able to upward floating a distance, and in than cutting the state being higher by, when avoiding feeding, plate is under
Knife scratches.When machine starts shearing, material pressing device elder generation downlink, while the piston rod of retainer plate driving cylinder 6 is retracted, under
Sphenoid 5 moves backward, 3 whereabouts a distance of upper wedge block 4 and forestock flitch so that the top of retainer ball 2 and cuts
The knife edge is equal, and material pressing device falls into place with plate and compresses plate, and plate is compacted in the state of being laid flat, and is not in
Deformation improves the precision of shearing board material, and then knife rest drives upper slitter downlink to complete shearing.After the completion of shearing, retainer plate driving
The piston rod of cylinder 6 stretches out again, drives lower sphenoid 5 to move forward, upper wedge block 4 is jacked up again, forestock flitch 3 returns
To than cutting the state being higher by, it is sent into convenient for the next round of plate.
The left and right sides wall of lower sphenoid 5 sticks on the left and right sides of retainer plate driving cylinder 6 respectively.Retainer plate drives gas
Limit and guiding role are played in the left and right sides of cylinder 6 to the left and right sides wall of lower sphenoid 5, ensure that it is smoothly lifted.Hyposphene
The side wall of body 5 is equipped with kidney slot, and the rodless cavity air inlet 6b and rod chamber air inlet 6c and tracheae of cylinder 6 are driven for retainer plate
Connection.
As shown in fig. 6, the rod chamber air inlet 6c of retainer plate driving cylinder 6 is powered by one-way throttle valve D1 and two five
The A mouths of magnet valve YV2 are connected, and retainer plate drives the rodless cavity air inlet 6b of cylinder 6 to be powered by one-way throttle valve D1 and two five
The B mouths of magnet valve YV2 are connected, and the P mouths of retainer pneumatic operated valve YV2 are connected by pneumatic triple piece 8 with gas source pipe, retainer pneumatic operated valve
The R mouths of YV2 are connected with silencer with S mouthfuls.Compressed air reaches the P of two five-way electromagnetic valve YV2 by pneumatic triple piece 8
Mouthful, when two five-way electromagnetic valve YV2 dead electricity, P mouthfuls communicate with A mouthfuls, and compressed air enters retainer plate from A mouthfuls and drives cylinder 6
Rod chamber, retainer plate drive the piston rod of cylinder 6 to retract, and lower sphenoid 5 moves backward, and forestock flitch 3 falls.Lead to when two five
When solenoid valve YV2 obtains electric, P mouthfuls communicate with B mouthfuls, and compressed air enters the rodless cavity that retainer plate drives cylinder 6, retainer plate from B mouthfuls
The piston rod of cylinder 6 is driven to stretch out, lower sphenoid 5 moves forward, and forestock flitch 3 floats.
As shown in fig. 7,380VAC is 27VAC through transformer pressure-reducing, it is connected with bridge rectifier VC through four QF4 of breaker, becomes
For 24VDC power supply is provided for shearing solenoid valve YV1 and retainer pneumatic operated valve YV2.
Shearing oil cylinder is controlled by shearing solenoid valve YV1 and provides pressure oil by oil pump, and retainer plate driving cylinder 6 is controlled by support
Expect pneumatic operated valve YV2, the coil of shearing solenoid valve YV1 is connected to after connecting with the first normally open contact KA2-1 of relay two+
Between 24VDC and 0VDC；The coil of retainer pneumatic operated valve YV2 is delayed with the first normally open contact SA3-1 of selecting switch SA3, retainer
Be connected to after the delay of fall time relay KT1 disconnects normally closed interlock, the second normally closed interlock KA3-4 of relay three connects+
Between 24VDC and 0VDC.
It is in series with three QF3 of breaker, key switch one SA1 and scram button SB1 on the firewire in shearing property circuit, shears
Knife rest downlink controlling brancher is equipped between the firewire and zero curve of control loop, knife rest downlink controlling brancher includes the foot being sequentially connected in series
Step on switch SF, relay three two KA2 of the first normally closed interlock KA3-3 and relay coil, retainer be delayed fall time relay
The coil of device KT1 and the coil of two KA2 of relay are in parallel.
Tool rest return stroke controlling brancher, tool rest return stroke controlling brancher packet are additionally provided between the firewire and zero curve in shearing property circuit
Include the coil for three KA3 of knife rest lower dead center travel switch SQ3 and relay being sequentially connected in series, the second normally open contact of relay three
KA3-2 is connected between the lower pile crown of knife rest lower dead center travel switch SQ3 and the lower pile crown of floor push SF.
Pneumatic retainer controlling brancher, pneumatic retainer controlling brancher packet are additionally provided between the firewire and zero curve in shearing property circuit
Include the first normally open contact KA3-1 of the relay three being sequentially connected in series, retainer delay lifts the delay disconnection of time relay KT2 often
The coil that time relay KT2 is lifted in contact, the second normally open contact SA3-2 of selecting switch SA3 and retainer delay is closed, retainer prolongs
When lift time relay KT2 the coil of coil and three KA3 of relay be in parallel.
Selecting switch SA3 is placed in execution quick condition, the first normally open contact SA3-1 of selecting switch SA3 and second is normal
Open contact SA3-2 is closed, and retainer pneumatic operated valve YV2 is in obtain electricity condition at this time, and retainer plate drives the piston rod of cylinder 6 to be in stretching
State, lower sphenoid 5 moves forward jacks up upper wedge block 4 upwards, and the automatic floating a distance upwards of forestock flitch 3 is in
Than cutting the state being higher by, when avoiding feeding, plate scratches with cutting.
After stepping on floor push SF, the coil of two KA2 of relay obtains electric, and the first normally open contact KA2-1 of relay two is closed
It is electric that conjunction makes shearing solenoid valve YV1 obtain, and shears hydraulic oil cylinder driving knife rest and binder underfooting row, while retainer delay fall time relay
KT1 obtains electric, beginning timing, and when waiting binders foot press to plate, the delay of retainer delay fall time relay KT1 disconnects normally closed touch
Head disconnects, and retainer pneumatic operated valve YV2 dead electricity, forestock flitch 3 is made to fall so that and the top of retainer ball 2 is equal with the knife edge cut,
Material pressing device, which is fallen into place, at this time compresses plate, waits for knife rest downlink that upper slitter is driven to complete shearing.
If plate forestock flitch 3 in the state of not being held down falls, it is easy to make plate that vibration occur, influences shearing essence
Degree；The present invention is delayed by retainer after fall time relay KT1 delay waiting binder foot press to plate, just pneumatic by retainer
Valve YV2 control forestocks flitch 3 is synchronized with binder foot to fall, and can shake to avoid plate, improve shear precision.
After the completion of shearing, knife rest reaches lower dead center, and knife rest lower dead center travel switch SQ3 is closed, and makes the line of three KA3 of relay
Enclose electric, the first normally open contact KA3-1 of relay three is closed, and the delay of time relay KT2 is lifted by retainer delay
It disconnects normally closed interlock and realizes that self-locking, retainer delay lift the coil of time relay KT2 while obtaining electric, beginning timing；Relay
Three the first normally closed interlock KA3-3 is disconnected, and makes the coil losing electricity of two KA2 of relay, the first normally open contact KA2-1 of relay two
It disconnects, shearing solenoid valve YV1 dead electricity is made to reset, unclamp floor push SF, knife rest passes through energy storage equipment upward backhaul automatically, binder
Device is also lifted up under action of reset spring；
After waiting for material pressing device to return up, the delay that time relay KT2 is lifted in retainer delay disconnects normally closed interlock disconnection certainly
Lock circuit, makes that the coil of time relay KT2 is lifted in retainer delay and retainer delay lifts the coil of time relay KT2 simultaneously
Dead electricity, the second normally closed interlock KA3-4 of relay three return to closed state, retainer pneumatic operated valve YV2 again electric, forestock flitch 3
It is automatic to float to top, prepare next round feeding.
If after the completion of shearing, floor push SF does not unclamp, then the second normally open contact KA3-2 of relay three is closed, after
The coil of three KA3 of electric appliance obtains electric self-locking, and the first normally closed interlock KA3-3 of relay three disconnects the line for making two KA2 of relay at this time
Circle can not obtain electric, and it is electric that the first normally open contact KA2-1 disconnection of relay two makes shearing solenoid valve YV1 that can not obtain, relay three
It is electric that second normally closed interlock KA3-4 disconnections make retainer pneumatic operated valve YV2 that can not obtain, and lathe is stopped, to realize the anti-company of single
Rush function.
The company of being additionally provided with rushes controlling brancher between the firewire and zero curve in shearing property circuit, and it includes going here and there successively that company, which rushes controlling brancher,
The first normally open contact of two SA2 of key switch of connection, the first normally open contact KA1-1 of relay one, knife rest top dead centre stroke are opened
The coil of one KA1 of normally closed interlock SQ2-1 and relay of SQ2 is closed, lower pile crown and the knife rest top dead centre stroke of floor push SF are opened
The third of the second normally open contact and relay three of two SA2 of key switch is sequentially connected in series between the normally closed interlock SQ2-1 of pass SQ2
Normally closed interlock KA3-5, the normally closed interlock of the 4th normally closed interlock KA3-6 and knife rest top dead centre travel switch SQ2 of relay three
SQ2-1 is in parallel；It is in series between the firewire in shearing property circuit and the upper pile crown of the first normally closed interlock KA3-3 of relay three
The normally open contact SQ2-2 of knife rest top dead centre travel switch SQ2 and the second normally open contact KA1-2 of relay one, relay two
The normally open contact SQ2-2 of second normally open contact KA2-2 and knife rest top dead centre travel switch SQ2 are in parallel.
When test run, two SA2 of key switch is turned into the positions Lian Chong, the normally open contact of two SA2 of key switch is closed, normally closed
Contact disconnects, and after stepping on floor push SF, the coil of one KA1 of relay obtains electric, and the first normally open contact KA1-1 of relay one is closed
Self-locking is closed, the second normally open contact KA1-2 of relay one is also closed；Since knife rest is initially in top dead center position, stop on knife rest
The normally open contact SQ2-2 of point travel switch SQ2 is closed so that the coil of two KA2 of relay obtains electric, and the first of relay two is normally opened
It is electric that contact KA2-1 closures make shearing solenoid valve YV1 obtain, and shears hydraulic oil cylinder driving knife rest and binder underfooting row, and under forestock flitch 3
Backwardness compresses plate, drives upper slitter to complete shearing with back tool rest downlink.
When knife rest leaves top dead centre, the normally closed interlock SQ2-1 closures of knife rest top dead centre travel switch SQ2 make relay one
The coil of KA1 is maintained to obtain electricity condition；Knife rest is not in bottom dead center position, the third normally closed interlock KA3-5 of relay three and
Four normally closed interlock KA3-6 are in closed state, also ensure that the coil of one KA1 of relay is maintained to obtain electricity condition.
After the completion of shearing, knife rest reaches lower dead center, and knife rest lower dead center travel switch SQ3 is closed, and makes the line of three KA3 of relay
Enclose electric, the first normally closed interlock KA3-3 of relay three is disconnected, and makes the coil losing electricity of two KA2 of relay, and the first of relay two
Normally open contact KA2-1 is disconnected, and shearing solenoid valve YV1 dead electricity is made to reset, and knife rest passes through energy storage equipment upward backhaul automatically.
When knife rest turns again to top dead centre, the normally open contact SQ2-2 of knife rest top dead centre travel switch SQ2 is closed again,
The coil of one KA1 of relay is set to be kept as by the third normally closed interlock KA3-5 and the 4th normally closed interlock KA3-6 of relay three
Electricity, and the coil of two KA2 of relay again it is electric, knife rest again downlink realize even rush.
Shearing oil cylinder provides pressure oil by oil pump, and oil pump is driven by Oil pump electrical machinery M1, and Oil pump electrical machinery M1 is controlled by breaker
The main contact of one KM1 of one QF1 and contactor is equipped with oil pump control branch, oil pump control between the firewire and zero curve in master control circuit
Branch processed includes the stop button SB2 being sequentially connected in series, one KM1 of start button SB3, the normally closed interlock of electrothermal relay FR and contactor
Coil, the first normally open contact KM1-1 and start button SB3 of one KM1 of contactor is in parallel, one KM1 of contactor second often
Open contact KM1-2 is connected with the MRDY input terminals of E21S digital control systems.220VAC becomes through AC to DC transformer VC1
24VDC provides power supply by five QF5 of breaker for E21S digital control systems, and E21S digital control systems are the product of Ai Sidun companies.
Start button SB3 is pressed, the coil of one KM1 of contactor obtains electric, the first normally open contact KM1-1 of one KM1 of contactor
It is closed self-locking, the main contact of one KM1 of contactor is closed, and Oil pump electrical machinery M1 starts, and pressure oil is provided for hydraulic press；Contactor one
The second normally open contact KM1-2 of KM1 is closed, and the MRDY input terminals of E21S digital control systems receive Oil pump electrical machinery enabling signal.It presses
Lower stop button SB2, Oil pump electrical machinery M1 stop.
Plate shearing machine further includes rear material stopping device, and rear material stopping device is driven by back material stopping motor M2, and back material stopping motor M2 is just
Turn the main contact for being controlled by two KM2 of two QF2 of breaker and contactor, the reversion of back material stopping motor M2 is controlled by three KM3 of contactor
Main contact；Be additionally provided with back material stopping controlling brancher between the firewire and zero curve in master control circuit, back material stopping controlling brancher include according to
The first normally closed interlock KA2-3 of secondary two KA2 of concatenated relay, the normally open contact of five KA5 of relay, back material stopping front limit switch
The coil of the normally closed interlock of SQ4, two KM2 of normally closed interlock and contactor of three KM3 of contactor, 2 first normally closed interlock of relay
The normally open contact of four KA4 of relay, back material stopping rear limit switch SQ5 are sequentially connected in series between the lower pile crown and zero curve of KA2-3
The coil of three KM3 of normally closed interlock, the normally closed interlock of two KM2 of contactor and contactor；The second normally closed interlock of two KA2 of relay
KA2-4 is connected with the STEP input terminals of E21S digital control systems, the line of the X+ output ends and four KA4 of relay of E21S digital control systems
Circle is connected, and the X- output ends of E21S digital control systems are connected with the coil of five KA5 of relay；The encoder port of E21S digital control systems
It is connected with the encoder PG of monitoring blocking behind press.
When the sheared length of plate needs to shorten, E21S digital control systems make the coil of five KA5 of relay obtain electric, relay
The normally open contact of five KA5 is closed, and the coil of two KM2 of contactor obtains electric, the main contact closure of two KM2 of contactor, back material stopping motor
M2 is rotated forward, and the normally closed interlock of two KM2 of contactor disconnects, and makes the coil of three KM3 of contactor that can not obtain electric；It is kept off after encoder PG monitoring
The physical location that discharge position reaches.When rear material stopping device reaches front limit, the normally closed interlock of back material stopping front limit switch SQ4 is disconnected
It opens, the coil losing electricity of two KM2 of contactor, back material stopping motor M2 stops.
When the sheared length of plate needs to lengthen, E21S digital control systems make the coil of four KA4 of relay obtain electric, relay
The normally open contact of four KA4 is closed, and the coil of three KM3 of contactor obtains electric, the main contact closure of three KM3 of contactor, back material stopping motor
M2 is inverted, and the normally closed interlock of three KM3 of contactor disconnects, and makes the coil of two KM2 of contactor that can not obtain electric；When rear material stopping device reaches
After when limiting, the normally closed interlock of back material stopping rear limit switch SQ5 disconnects, the coil losing electricity of three KM3 of contactor, back material stopping motor M2
Stop.
First normally closed interlock KA2-3 of relay two ensures under shearing condition, can not carry out the adjusting of rear material stopping device.
A shear action is often completed, the second normally closed interlock KA2-4 of two KA2 of relay is disconnected once, and E21S digital control systems are counted
Number.
The normally closed interlock of four KA4 of relay is connected to master control circuit after connecting with the normally closed interlock of five KA5 of relay
Between firewire and the firewire in shearing property circuit.When rear material stopping device is when being adjusted backwards or forwards position, four KA4's of relay
The normally closed interlock of five KA5 of normally closed interlock or relay disconnects, and the firewire in shearing property circuit can not obtain electric, and shear action can not be into
Row.
The X-IP output ends of E21S digital control systems are connected with the coil of six KA6 of relay, and the first of relay three is normally closed tactile
The normally open contact of six KA6 of relay is in series between head KA3-3 and the coil of two KA2 of relay；E21S digital control systems
CutDly output ends are connected with the coil of seven KA7 of relay, and the normally open contact of seven KA7 of relay is connected on shearing property circuit
Between the coil of three KA3 of firewire and relay.When the shearing of plate reaches setting number, the coil losing electricity of six KA6 of relay,
The normally open contact of six KA6 of relay disconnects, and makes the coil of two KA2 of relay that can not obtain electric, and shearing terminates.When the shearing of plate reaches
To after setting time, the coil of seven KA7 of relay obtains electric, the normally open contact closure of seven KA7 of relay, the line of three KA3 of relay
Enclose electric, the first normally closed interlock KA3-3 of relay three is disconnected, and makes the coil of two KA2 of relay that can not obtain electric, shearing terminates.
The method of the accurate shearing board material of the present invention includes following action successively in each working cycles：(1) forestock flitch 3 is high
Plate feeding is carried out in the state of cutting, until the back edge of plate is resisted against on rear material stopping device；
(2) floor push SF is stepped on, so that the coil of two KA2 of relay is obtained electric, and then shears solenoid valve YV1 and obtains electric, shearing oil cylinder drive
Movable knife rack and binder underfooting row, while retainer delay fall time relay KT1 obtains electric, beginning timing；
(3) when equal binders foot press is to plate, the delay of retainer delay fall time relay KT1 disconnects normally closed interlock and disconnects, and makes support
Expect that pneumatic operated valve YV2 dead electricity, retainer plate drive the piston rod of cylinder 6 to retract, lower sphenoid 5 moves backward, and forestock flitch 3 falls,
So that the top of retainer ball 2 is equal with the knife edge cut, material pressing device falls into place with plate and compresses plate；
(4) knife rest drives upper slitter downlink to complete shearing；
(5) when knife rest reaches lower dead center, the coil of three KA3 of relay obtains electric, and retainer, which is delayed, lifts the coil of time relay KT2
Electric, beginning timing is obtained simultaneously；First normally closed interlock KA3-3 of relay three is disconnected, and makes the coil losing electricity of two KA2 of relay, after
First normally open contact KA2-1 of electric appliance two is disconnected, and so that shearing solenoid valve YV1 dead electricity is resetted, is unclamped floor push SF, knife rest passes through
Energy storage equipment upward backhaul automatically, material pressing device are also lifted up under action of reset spring；
(6) after material pressing device returns up, the delay that time relay KT2 is lifted in retainer delay disconnects normally closed interlock disconnection, makes support
The coil of time relay KT2 is lifted in material delay and retainer is delayed and lifts the coil while dead electricity of time relay KT2, relay
Three the second normally closed interlock KA3-4 returns to closed state, retainer pneumatic operated valve YV2 again it is electric；(7) the work of retainer plate driving cylinder 6
Stopper rod stretches out, and lower sphenoid 5 moves forward, and forestock flitch 3 floats to top automatically, prepares the next round feeding for receiving plate.
The foregoing is merely the preferable possible embodiments of the present invention, non-therefore the limitation present invention patent protection model
It encloses.In addition to the implementation, the present invention can also have other embodiment.All skills formed using equivalent substitution or equivalent transformation
Art scheme, is all fallen within the protection domain of application claims.Technical characteristic of the present invention without description can be by or using now
There is technology realization, details are not described herein.
Claims (10)
1. a kind of high-precision plate shearing machine, including workbench (1), knife rest and the shearing oil cylinder for driving knife rest, the top of workbench (1)
Equipped with forestock flitch (3), multiple retainer balls (2) are evenly distributed on forestock flitch (3), it is characterised in that：Forestock flitch (3)
In the C-shaped that Open Side Down, forestock flitch (3) is connected separately with wedge block (4), upper wedge shape below the roof of left and right ends
The inclined-plane of block (4) bottom is respectively supported on the inclined-plane at the top of lower sphenoid (5), and the inclined-plane tilts along the longitudinal direction, hyposphene
Body (5) is the hollow shell structure of lower end and open rearward end, and the inner cavity of lower sphenoid (5) is separately installed with retainer plate driving cylinder
(6), the piston rod front end of retainer plate driving cylinder (6) is connected separately with driving plate (6a), driving plate (6a) respectively with it is corresponding under
The antetheca of sphenoid (5) is fixedly connected, and the bottom of retainer plate driving cylinder (6) is fixed on workbench (1)；Forestock flitch (3)
It is connected separately with vertically extending socket below the roof of left and right ends, the left and right ends of workbench (1) are respectively fixed with
The retainer plate upwardly extended is had strong market potential (7), and the have strong market potential upper end of (7) of each retainer plate passes through workbench (1) and inserts described in grafting respectively
In the pin hole of key seat.
2. high-precision plate shearing machine according to claim 1, it is characterised in that：The left and right sides wall difference of lower sphenoid (5)
Stick on the left and right sides of retainer plate driving cylinder (6).
3. high-precision plate shearing machine according to claim 1, it is characterised in that：Retainer plate drive cylinder (6) rod chamber and
Rodless cavity is connected by one-way throttle valve (D1) with the A mouths of retainer pneumatic operated valve (YV2) and B mouthfuls respectively, and retainer pneumatic operated valve (YV2) is
The P mouths of two five-way electromagnetic valves, retainer pneumatic operated valve (YV2) are connected by pneumatic triple piece (8) with gas source pipe, retainer pneumatic operated valve
(YV2) R mouths are connected with silencer with S mouthfuls.
4. high-precision plate shearing machine according to claim 1, it is characterised in that：The shearing oil cylinder is controlled by shearing solenoid valve
(YV1) and by oil pump pressure oil is provided, retainer plate driving cylinder (6) is controlled by retainer pneumatic operated valve (YV2), shears solenoid valve
(YV1) coil is connected to after connecting with the first normally open contact (KA2-1) of relay two between+24VDC and 0VDC；Retainer gas
The coil of dynamic valve (YV2) and the first normally open contact (SA3-1) of selecting switch (SA3), retainer delay fall time relay
(KT1) delay disconnect normally closed interlock, relay three the second normally closed interlock (KA3-4) series connection after be connected to+24VDC with
Between 0VDC；Knife rest downlink controlling brancher, the knife rest downlink control branch are equipped between the firewire and zero curve in shearing property circuit
Road includes the floor push (SF) being sequentially connected in series, the line of the first normally closed interlock (KA3-3) and relay two (KA2) of relay three
The coil of circle, the coil and relay two (KA2) of retainer delay fall time relay (KT1) is in parallel；Shearing property circuit
Firewire and zero curve between be additionally provided with tool rest return stroke controlling brancher, the tool rest return stroke controlling brancher includes the knife rest being sequentially connected in series
The second normally open contact (KA3-2) of the coil of lower dead center travel switch (SQ3) and relay three (KA3), relay three is connected on
Between the lower pile crown and the lower pile crown of floor push (SF) of knife rest lower dead center travel switch (SQ3)；The firewire in shearing property circuit
Pneumatic retainer controlling brancher is additionally provided between zero curve, the pneumatic retainer controlling brancher includes the relay three being sequentially connected in series
The delay that first normally open contact (KA3-1), retainer delay lift the time relay (KT2) disconnects normally closed interlock, selecting switch
(SA3) the second normally open contact (SA3-2) and retainer delay lifts the coil of the time relay (KT2), when retainer delay is lifted
Between the coil of coil and relay three (KA3) of relay (KT2) be in parallel.
5. high-precision plate shearing machine according to claim 4, it is characterised in that：Between the firewire and zero curve in shearing property circuit
The company of being additionally provided with rushes controlling brancher, and the company rushes controlling brancher includes the key switch two (SA2) being sequentially connected in series first and normally opened touches
Head, the first normally open contact (KA1-1) of relay one, knife rest top dead centre travel switch (SQ2) normally closed interlock (SQ2-1) and after
The coil of electric appliance one (KA1), the normally closed interlock of the lower pile crown and knife rest top dead centre travel switch (SQ2) of floor push (SF)
(SQ2-1) the second normally open contact of key switch two (SA2) and the third normally closed interlock of relay three are sequentially connected in series between
(KA3-5), the normally closed interlock (SQ2- of the 4th normally closed interlock (KA3-6) and knife rest top dead centre travel switch (SQ2) of relay three
1) it is in parallel；It is in series between the firewire in shearing property circuit and the upper pile crown of the first normally closed interlock (KA3-3) of relay three
The normally open contact (SQ2-2) of knife rest top dead centre travel switch (SQ2) and the second normally open contact (KA1-2) of relay one, relay
The second normally open contact (KA2-2) of device two is in parallel with the normally open contact (SQ2-2) of knife rest top dead centre travel switch (SQ2).
6. high-precision plate shearing machine according to claim 5, it is characterised in that：The shearing oil cylinder provides pressure by oil pump
Oil, the oil pump are driven by Oil pump electrical machinery (M1), and Oil pump electrical machinery (M1) is controlled by the main contact of contactor one (KM1), master control
Oil pump control branch is equipped between the firewire and zero curve in circuit, the oil pump control branch includes the stop button being sequentially connected in series
(SB2), start button (SB3), the normally closed interlock of electrothermal relay (FR) and contactor one (KM1) coil, contactor one (KM1)
The first normally open contact (KM1-1) be in parallel with start button (SB3), the second normally open contact (KM1-2) of contactor one (KM1)
It is connected with the MRDY input terminals of E21S digital control systems.
7. high-precision plate shearing machine according to claim 6, it is characterised in that：Further include rear material stopping device, the back material stopping
Device is driven by back material stopping motor (M2), and the rotating forward of back material stopping motor (M2) is controlled by the main contact of contactor two (KM2), rear to keep off
The reversion of material motor (M2) is controlled by the main contact of contactor three (KM3)；It is additionally provided between the firewire and zero curve in master control circuit
Back material stopping controlling brancher, the back material stopping controlling brancher include the first normally closed interlock of the relay two (KA2) being sequentially connected in series
(KA2-3), the normally open contact of relay five (KA5), the normally closed interlock of back material stopping front limit switch (SQ4), contactor three (KM3)
Normally closed interlock and contactor two (KM2) coil, between the lower pile crown and zero curve of 2 first normally closed interlock (KA2-3) of relay
It is sequentially connected in series the normally open contact of relay four (KA4), the normally closed interlock of back material stopping rear limit switch (SQ5), contactor two
(KM2) coil of normally closed interlock and contactor three (KM3)；The second normally closed interlock (KA2-4) of relay two (KA2) with
The STEP input terminals of E21S digital control systems are connected, and the X+ output ends of E21S digital control systems are connected with the coil of relay four (KA4),
The X- output ends of E21S digital control systems are connected with the coil of relay five (KA5)；The encoder port of E21S digital control systems connects
There is the encoder (PG) of monitoring blocking behind press.
8. high-precision plate shearing machine according to claim 7, it is characterised in that：The normally closed interlock of relay four (KA4) with after
It is connected between the firewire in master control circuit and the firewire in shearing property circuit after the normally closed interlock series connection of electric appliance five (KA5).
9. high-precision plate shearing machine according to claim 8, it is characterised in that：The X-IP output ends of E21S digital control systems with after
The coil of electric appliance six (KA6) is connected, between the first normally closed interlock (KA3-3) and the coil of relay two (KA2) of relay three
It is in series with the normally open contact of relay six (KA6)；The coil of the CutDly output ends and relay seven (KA7) of E21S digital control systems
Be connected, the normally open contact of relay seven (KA7) be connected on the firewire in shearing property circuit and relay three (KA3) coil it
Between.
10. a kind of method using the accurate shearing board material of high-precision plate shearing machine described in claim 9, which is characterized in that each
Include following action successively in working cycles：(1) forestock flitch (3) is higher than plate feeding is carried out in the state of cutting, until plate
Back edge be resisted against on rear material stopping device；(2) floor push (SF) is stepped on, so that the coil of relay two (KA2) is obtained electric, in turn
It shears solenoid valve (YV1) and obtains electric, shearing hydraulic oil cylinder driving knife rest and binder underfooting row, while retainer delay fall time relay
(KT1) electric, beginning timing is obtained；(3) when equal binders foot press is to plate, the delay of retainer delay fall time relay (KT1) disconnects
Normally closed interlock disconnects, and makes retainer pneumatic operated valve (YV2) dead electricity, retainer plate that the piston rod of cylinder (6) be driven to retract, lower sphenoid (5)
It moves backward, forestock flitch (3) falls so that the top of retainer ball (2) is equal with the knife edge cut, and material pressing device is with plate
It falls into place and compresses plate；(4) knife rest drives upper slitter downlink to complete shearing；(5) when knife rest reaches lower dead center, relay three
(KA3) coil obtain it is electric, retainer delay lifts the time relay (KT2) coil simultaneously it is electric, beginning timing；Relay three
First normally closed interlock (KA3-3) disconnects, and makes the coil losing electricity of relay two (KA2), the first normally open contact (KA2- of relay two
1) disconnect, shearing solenoid valve (YV1) dead electricity made to reset, unclamp floor push (SF), knife rest by energy storage equipment automatically back up
Journey, material pressing device are also lifted up under action of reset spring；(6) after material pressing device returns up, retainer delay lift the time after
The delay of electric appliance (KT2) disconnects normally closed interlock and disconnects, and retainer delay is made to lift coil and the retainer delay of the time relay (KT2)
The coil while dead electricity of the time relay (KT2) are lifted, the second normally closed interlock (KA3-4) of relay three returns to closed state,
Retainer pneumatic operated valve (YV2) again it is electric；(7) the piston rod of retainer plate driving cylinder (6) stretches out, and lower sphenoid (5) moves forward,
Forestock flitch (3) floats to top automatically, prepares the next round feeding for receiving plate.
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| CN201810471308.2A CN108705130A (en) | 2018-05-17 | 2018-05-17 | The method of high-precision plate shearing machine and its accurate shearing board material |
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| CN201810471308.2A CN108705130A (en) | 2018-05-17 | 2018-05-17 | The method of high-precision plate shearing machine and its accurate shearing board material |
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