CN103787102B - Plate vacuum suction device and method for hoisting plate by using same - Google Patents

Plate vacuum suction device and method for hoisting plate by using same Download PDF

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Publication number
CN103787102B
CN103787102B CN201410070285.6A CN201410070285A CN103787102B CN 103787102 B CN103787102 B CN 103787102B CN 201410070285 A CN201410070285 A CN 201410070285A CN 103787102 B CN103787102 B CN 103787102B
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plc
vacuum
vacuum cup
hydraulic cylinder
sheet material
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CN103787102A (en
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沈滨
张磊
张建
李钦奉
王明禄
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Suzhou Juhuibang Patent Operation Co ltd
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Zhangjiagang Huaji Environmental Protection New Energy Technology Co ltd
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Abstract

The invention discloses a vacuum suction device capable of effectively sucking a plate under the condition of low plate surface cleanliness, which comprises a PLC and a mounting base movably arranged on a rack, wherein a plurality of vacuum chucks are movably arranged on the lower surface of the mounting base, the outermost vacuum chucks on the two sides of the mounting base are driven up and down by at least one hydraulic cylinder controlled by the PLC, the other vacuum chucks are driven up and down by at least one hydraulic cylinder controlled by the PLC, a vacuum pump controlled by the PLC is arranged on the rack, an air outlet and an air inlet of the vacuum pump are communicated with an electromagnetic reversing valve controlled by the PLC, an outlet of the electromagnetic reversing valve is communicated with each vacuum chuck through a pipeline, and a vacuum pressure sensor and a blowing proximity switch connected with the PLC are arranged on the inner surface of a chuck body of each vacuum chuck.

Description

A kind of sheet material vacuum sucking device and the method being used for lifting sheet material thereof
Technical field
The present invention relates to a kind of sheet material vacuum sucking device and for the method lifting sheet material.
Background technology
Sheet material vacsorb control system is the conventional feeding on modern flexible automatic board machining production line Device, this device major requirement is capable of the feeding of sheet material, realizes sheet material in process in different works The movement of interdigit and blanking pile function.The vacuum drawn mode of sheet material vacuum sucking device is mainly divided at present Being two kinds, one is that to use vavuum pump or big vacuum tank be all of suction disc vacuum pumping, i.e. provides single vacuum Source, is connected with each sucker by gas path pipe;Another kind is to use cylinder piston or little vacuum tank one by one For suction disc vacuum pumping, the independent and a set of cylinder piston arrangement of the most each sucker or a little vacuum tank are connected, logical Crossing mechanical device push-and-pull piston is suction disc vacuum pumping.Both vacuumizes the Acetabula device of mode and manufactures now In be widely used, but mostly there is following problems in existing vacuum chuck device:
(1) higher to the surface quality requirements of adsorbent, and do not possess automatic cleaning function, when sheet material table When there are dust, iron filings and other foreign material in face, could draw after needing labor cleaning;
(2) concentrating getter device for using, the vacuum that each sucker is connected with getter device by branch road is inhaled Dish feeding device, if a sucker generation gas leak phenomenon, can make sucker system gas leakage really, cause institute Some suckers are unable to draw sheet material;
(3) when drawing sheet material, often occur once to draw two pieces even situation of multi-sheets, to follow-up Processing cause and have a strong impact on.
Summary of the invention
The technical problem to be solved is: offer one can be the highest at sheet material pan cleanliness, few The vacuum sucking device of sheet material can be effectively drawn in the case of the gas leakage of part sucker.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is: a kind of sheet material vacsorb dress Putting, including PLC and the installation pedestal that is movably arranged in frame, described installation pedestal lower surface activity sets There are some vacuum cups, and the vacuum cup installing pedestal both sides outermost is controlled by described PLC by least one The hydraulic cylinder of system drives, on the hydraulic cylinder that remaining vacuum cup is controlled by described PLC by least one up and down Lower driving, frame is provided with the vavuum pump controlled by PLC, the gas outlet of described vavuum pump and air inlet and PLC The solenoid directional control valve controlled is connected, and the outlet of solenoid directional control valve is by pipeline and each vacuum cup phase described Connection, the sucker body internal surface of described vacuum cup is provided with the vacuum pressure sensor being connected with PLC With winding-up proximity switch, the port of described vacuum cup is provided with the magnetic valve controlled by described PLC.
As the preferred scheme of one, the sucker body internal surface of described vacuum cup is provided with and is connected with PLC The feeding proximity switch connect.
As the preferred scheme of one, described installation pedestal lower surface is provided with some and described the most side by side The hydraulic cylinder that vacuum cup is controlled by described PLC one to one, described vacuum cup is arranged on hydraulic cylinder and lives Stopper rod bottom.
As the preferred scheme of one, described hydraulic cylinder is column-shaped arrangement, and at least provided with three row.
As the preferred scheme of one, described frame is provided with conveying, and conveying is arranged with conveying Slide block, conveying slide block lower surface is provided with adjustment guide rail, adjusts and is arranged with adjustment slide block on guide rail, adjusts slide block Bottom be connected with described installation pedestal upper surface.
As the preferred scheme of one, described vacuum cup includes being connected bottom described hydraulic cylinder piston rod Sucker mounting seat, sucker mounting seat is provided with gas passage, sucker mounting seat end be provided with middle part with gas The sucker body of the through hole of body channel connection.
The present invention to be solved technical problem is that another: provides a kind of sheet material vacsorb dress as mentioned above Put the method for lifting sheet material, the steps include:
A. install base motion to need absorption sheet material above after, PLC controls hydraulic cylinder action, makes institute Some vacuum cups decline together;
B. vacuum cup is after sheet material to the winding-up position set, and winding-up proximity switch is anti-to PLC mono- Feedback signal, PLC controls hydraulic cylinder stopping action;
C.PLC controls the solenoid directional control valve of gas circuit, makes vavuum pump gas outlet be connected with vacuum cup gas circuit, Then PLC controls vavuum pump work, blows in vacuum cup, cleans plate surface;
D.PLC controls solenoid directional control valve, makes vacuum cup gas circuit be connected with vavuum pump air entry, then PLC controls hydraulic cylinder action, makes vacuum cup continue to move downward, and vacuum cup arrives predetermined adsorption potential Postponing, feeding proximity switch controls hydraulic cylinder stopping action to mono-feedback signal of PLC, PLC;
E.PLC controls vavuum pump action, vacuum cup vacuumizes pressure in making vacuum cup and reaches Working pressure;Vacuum pressure sensor pressure measurement simultaneously, if pressure reaches work pressure in most vacuum cup Force value and in certain vacuum cup institute's measuring pressure more than operating pressure more than 0.003MPa time, then PLC control Magnetic valve action on this sucker branch road, makes this sucker disconnect with gas circuit;
F., after the pressure in the vacuum cup of normal work reaches predetermined pressure, PLC controls both sides outermost The hydraulic cylinder elder generation action enclosed, after making the vacuum cup of outside rise a segment distance, then controls remaining hydraulic cylinder Action, makes the vacuum cup of inside rise, and after waiting the complete lifting of sheet material to get up, all of hydraulic cylinder synchronous is moved Make, make vacuum cup rise to predetermined altitude together with sheet material;
After base level the most to be installed moves to predetermined discharge position, PLC controls hydraulic cylinder action and puts down plate Material, then the work of PLC control vavuum pump makes vacuum cup put down sheet material.
This suction means provides the benefit that: the electricity controlled with PLC with air inlet due to the gas outlet of vavuum pump Magnetic reversal valve is connected, and the sucker body internal surface of described vacuum cup is provided with the winding-up being connected with PLC Proximity switch, can be carried out blowing to clean plate surface coupled for the gas outlet of vavuum pump logical, from And sheet material can be drawn smoothly;
It is provided with vacuum pressure sensor owing to sucker is the most internal, the pressure in sucker can be recorded in real time,
Each vacuum cup gas circuit branch road is designed with magnetic valve, can control when this vacuum cup leaks gas to close The magnetic valve of this vacuum cup place branch road, ensures the normal work of other vacuum cups, is i.e. having few portion Divide vacuum cup gas leakage also can draw sheet material;
Owing to hydraulic cylinder is directly connected with vacuum cup, can individually control the height that vacuum cup rises, can With by controlling peripheral hydraulic cylinder elder generation action, after making the vacuum cup of outside rise a segment distance, then control Remaining hydraulic cylinder action, makes the vacuum cup of inside rise, thus when avoiding drawing, haftplatte situation occurs.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of apparatus of the present invention
Accompanying drawing 2 is the partial view of hydraulic cylinder and vacuum cup
Accompanying drawing 3 is the pneumatic circuit figure of apparatus of the present invention
In Fig. 1 to Fig. 3: 1. frame, 2. conveying, 3. conveying slide block, 4. adjust guide rail, 5. adjust Slide block, 6. installs pedestal, 7. vavuum pump, and 8a. vacuum cup, 8b. vacuum cup, 8c. vacuum cup, 8d. is true Suction dish, 9. sucker mounting seat, 10. sucker body, 11. proximity switches, 12. vacuum pressure sensors, 13a. Hydraulic cylinder, 13b. hydraulic cylinder, 13c. hydraulic cylinder, 13d. hydraulic cylinder, 14. magnetic valves, 15. solenoid directional control valves.
Detailed description of the invention
Below in conjunction with the accompanying drawings, specific embodiments of the present invention are described in detail.
As Figure 1-3, a kind of sheet material vacuum sucking device, including PLC (not shown) and setting Conveying 2 in frame 1, conveying 2 is arranged with conveying slide block 3, carries slide block 3 lower surface Being provided with adjustment guide rail 4, adjust and be arranged with adjustment slide block 5 on guide rail 4, the bottom adjusting slide block 5 is provided with installation Pedestal 6.Install pedestal 6 lower surface be provided with the most side by side hydraulic cylinder 13a that four row control by PLC, 13b, 13c, 13d, each column includes several hydraulic cylinder, hydraulic cylinder piston rod bottom be provided with vacuum cup 8a, 8b, 8c、8d.Described vacuum cup 8a, 8b, 8c, 8d include and are connected bottom described hydraulic cylinder piston rod Sucker mounting seat 9, is provided with gas passage in sucker mounting seat 9, sucker mounting seat 9 end be provided with middle part with The sucker body 10 of the through hole of gas passage connection.The port of described vacuum cup 8a, 8b, 8c, 8d sets There is the magnetic valve 14 controlled by described PLC.Frame 1 is provided with the vavuum pump 7 controlled by PLC, described very The solenoid directional control valve 15 that the gas outlet of empty pump 7 controls with PLC with air inlet is connected, solenoid directional control valve 15 Outlet be connected with described each vacuum cup 8a, 8b, 8c, 8d by pipeline, described vacuum cup 8a, Sucker body 10 inner surface of 8b, 8c, 8d be provided with the vacuum pressure sensor 12 being connected with PLC and Winding-up proximity switch 11 and feeding proximity switch 11.
Sheet material vacuum sucking device as above, for the method lifting sheet material, the steps include:
A. install pedestal 6 move to need draw sheet material above after, PLC control hydraulic cylinder 13a, 13b, 13c, 13d action, makes all of vacuum cup 8a, 8b, 8c, 8d decline together;
B. vacuum cup 8a, 8b, 8c, 8d is after sheet material to the winding-up position set, and winding-up is close to opening Mono-feedback signal of PLC is given in pass 11, and PLC controls hydraulic cylinder 13a, 13b, 13c, 13d stopping action;
C.PLC controls the solenoid directional control valve 15 of gas circuit, make vavuum pump 7 gas outlet and vacuum cup 8a, 8b, 8c, 8d gas circuit is connected, and then PLC control vavuum pump 7 works, to vacuum cup 8a, 8b, 8c, 8d Interior air blowing, cleans plate surface;
D.PLC controls solenoid directional control valve 15, makes the gas circuit of vacuum cup be connected with vavuum pump 7 air entry, Then PLC controls hydraulic cylinder 13a, 13b, 13c, 13d action, makes vacuum cup 8a, 8b, 8c, 8d Continuing to move downward, after vacuum cup 8a, 8b, 8c, 8d arrive predetermined absorption position, feeding is close to opening Mono-feedback signal of PLC is given in pass 11, and PLC controls hydraulic cylinder 13a, 13b, 13c, 13d stopping action;
E.PLC controls vavuum pump 7 action, vacuumizes vacuum cup 8a, 8b, 8c, 8d and makes sucker Interior pressure reaches working pressure (may be set to about 0.092MPa);Vacuum pressure sensor 12 simultaneously Pressure measurement, if in most vacuum cup pressure reach working pressure and in certain vacuum cup institute's measuring pressure big When operating pressure is more than 0.003MPa, be then judged as gas leakage, then PLC controls on this vacuum cup branch road Magnetic valve 14 action, makes this vacuum cup disconnect with gas circuit;
F. after the pressure in vacuum cup 8a, 8b, 8c, 8d of normal work reaches predetermined pressure, PLC Control hydraulic cylinder 13a, 13d elder generation action of both sides outermost, make vacuum cup 8a, 8d of outside rise one After segment distance, then control 13b, 13c action of remaining hydraulic cylinder, make on vacuum cup 8b, 8c of inside Rise, after waiting the complete lifting of sheet material to get up, all of hydraulic cylinder 13a, 13b, 13c, 13d synchronization action, make Vacuum cup 8a, 8b, 8c, 8d rise to predetermined altitude together with sheet material;
After pedestal 6 the most to be installed is moved horizontally to predetermined discharge position, PLC control hydraulic cylinder 13a, 13b, Sheet material is put down in 13c, 13d action, then PLC control vavuum pump 7 work make vacuum cup 8a, 8b, 8c, 8d puts down sheet material.
The principle of the above embodiments only illustrative the invention and effect thereof, and part utilization Embodiment, not for limiting the present invention;It should be pointed out that, for the person of ordinary skill of the art, Without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into Protection scope of the present invention.

Claims (7)

1. a sheet material vacuum sucking device, including PLC and the installation pedestal that is movably arranged in frame, It is characterized in that: described installation pedestal lower surface is movably equipped with some vacuum cups, and pedestal both sides are installed The hydraulic cylinder that peripheral vacuum cup is controlled by described PLC by least one drives up and down, and remaining vacuum is inhaled The hydraulic cylinder that dish is controlled by described PLC by least one drives up and down, frame be provided with by PLC control true Empty pump, the solenoid directional control valve that the gas outlet of described vavuum pump controls with PLC with air inlet is connected, and electromagnetism changes Being connected with each vacuum cup described by pipeline to the outlet of valve, the sucker of described vacuum cup is the most internal Surface is provided with the vacuum pressure sensor being connected with PLC and winding-up proximity switch, described vacuum cup Port is provided with the magnetic valve controlled by described PLC.
2. a kind of sheet material vacuum sucking device as claimed in claim 1, it is characterised in that: described vacuum is inhaled The sucker body internal surface of dish is provided with the feeding proximity switch being connected with PLC.
3. a kind of sheet material vacuum sucking device as claimed in claim 2, it is characterised in that: described installation base Seat lower surface is provided with what some and described vacuum cup was controlled by described PLC one to one the most side by side Hydraulic cylinder, described vacuum cup is arranged on hydraulic cylinder piston rod bottom.
4. a kind of sheet material vacuum sucking device as claimed in claim 3, it is characterised in that: described hydraulic cylinder Arrange in column-shaped, and at least provided with three row.
5. a kind of sheet material vacuum sucking device as claimed in claim 4, it is characterised in that: in described frame Being provided with conveying, conveying is arranged with conveying slide block, conveying slide block lower surface is provided with adjustment guide rail, Adjusting and be arranged with adjustment slide block on guide rail, the bottom adjusting slide block is connected with described installation pedestal upper surface.
6. a kind of sheet material vacuum sucking device as claimed in claim 4, it is characterised in that: described vacuum is inhaled Dish includes and the sucker mounting seat being connected bottom described hydraulic cylinder piston rod, is provided with gas in sucker mounting seat Passage, sucker mounting seat end is provided with the middle part sucker body with the through hole connected with gas passage.
7. a kind of sheet material vacuum sucking device as according to any one of claim 5-6 is used for lifting sheet material Method, the steps include:
A. install base motion to need absorption sheet material above after, PLC controls hydraulic cylinder action, makes institute Some vacuum cups decline together;
B. vacuum cup is after sheet material to the winding-up position set, and winding-up proximity switch is anti-to PLC mono- Feedback signal, PLC controls hydraulic cylinder stopping action;
C.PLC controls the solenoid directional control valve of gas circuit, makes vavuum pump gas outlet be connected with vacuum cup gas circuit, Then PLC controls vavuum pump work, blows in vacuum cup, cleans plate surface;
D.PLC controls solenoid directional control valve, makes vacuum cup gas circuit be connected with vavuum pump air entry, then PLC controls hydraulic cylinder action, makes vacuum cup continue to move downward, and vacuum cup arrives predetermined adsorption potential Postponing, feeding proximity switch controls hydraulic cylinder stopping action to mono-feedback signal of PLC, PLC;
E.PLC controls vavuum pump action, vacuum cup vacuumizes pressure in making vacuum cup and reaches Working pressure;Vacuum pressure sensor pressure measurement simultaneously, if pressure reaches work pressure in most vacuum cup Force value and in certain vacuum cup institute's measuring pressure more than operating pressure more than 0.003MPa time, then PLC control Magnetic valve action on this sucker branch road, makes this sucker disconnect with gas circuit;
F., after the pressure in the vacuum cup of normal work reaches predetermined pressure, PLC controls both sides outermost The hydraulic cylinder elder generation action enclosed, after making the vacuum cup of outside rise a segment distance, then controls remaining hydraulic cylinder Action, makes the vacuum cup of inside rise, and after waiting the complete lifting of sheet material to get up, all of hydraulic cylinder synchronous is moved Make, make vacuum cup rise to predetermined altitude together with sheet material;
After base level the most to be installed moves to predetermined discharge position, PLC controls hydraulic cylinder action and puts down plate Material, then the work of PLC control vavuum pump makes vacuum cup put down sheet material.
CN201410070285.6A 2014-02-27 2014-02-27 Plate vacuum suction device and method for hoisting plate by using same Active CN103787102B (en)

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