Automatic door prevents atmospheric pressure of vertical center machine clip function introduces

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  • source:DELENO CNC Machining
About Taichun essence machine " atmospheric pressure of vertical center machine is automatic the door " , europe of common for sale abroad or in another part of the country needs the machine stage of CE attestation, it is very few collocation uses this function, because this has no the design of the safe protection that prevent clip. And the machine stage of Europe of very much now export, also ask to increase outfit atmospheric pressure however automatic door, accordingly we need to design baric and automatic door to prevent the safety of clip to defend, in order to accord with the standard of general CE safety. The safe and normative content that uses automatic door in CE machine stage, have probably 3 keys: One, close force needs to ask to be under 150N. (make an appointment with 15kg/cm2) with us the 40mm of ∮ of air cylinder internal diameter that baric and automatic door uses on machine stage at present is calculated, if automatic door atmospheric pressure source pressure is set in 4kg/cm2 to be a standard, the force that closes then will be 2*2*3.

14*4=50.

24kg, the pressure that close has exceeded a level too much. (round area: *3 of radius * radius.

14) 2, automatic door can not install) of Interlock(exit switch. Automatic door itself can check switch about the door, because this can have not installed this switch, assemble on without the problem. 3, ask automatic door installs device of the induction that prevent clip, if prevent clip switch / / Light Curtain// pressure steps mat. Go up at the automatic door of plastic machine of NC lathe and PIM at present, had had had assembled touch those who hit formula to prevent clip switch, do not apply to the use environment of central machine after had been evaluated. Use inside the factory above all touch touch switch to have only commonly straight a type, do not apply to the board gold of door of circular arc of the scheming in us. The cutting water amount that is central machine next is very large, splash is on the switch that prevent clip, can have the problem of service life. When because machine of this vertical center is in,evaluating the device that prevent clip, pressure of air cylinder of choice use examination prevents clip to detect as automatic door method, it is the pattern that compares handy, durable, safety. Because OK and complete need not change exterior board gold to be able to be installed, increase outside the factory use very convenient also, and the set value that use pressure switch detects is about the standard is in 1kg/cm2, the force that prevents clip can be controlled in the requirement 15kg/cm2 less than of the a bitth (graph 1) . Graph 1 use pull a balance to detect the force of automatic door clamp, it is about between 8~12kg-cm2. On constructional means, with at present the automatic door inside our factory assembles means, do not need to do set too much change, need to close the mouth taking energy of life of reveal in crock of automatic door atmospheric pressure only, use " type of the reduce expenditure that take energy of life " throttle, and pressure check exports indispensible outfit to be between throttle and baric crock. Close at baric before crock namely the position of the mouth that take energy of life, increase 3 canals, add outfit atmospheric pressure in order to go to the lavatory to detect used wind pressure is tracheal (graph 2) . Although pressure detects,switch also can assemble 3 canals in baric crock to go up, but the waterproof, issue that defends bits and layout is more complex, because this suggests tubing assembles pressure switch at the side after machine stage, the position that just assembles can (graph 3) . Graph the crock closes 2 automatic door atmospheric pressure to assemble means of reveal to pursue into gas mouth 3 baric pressure detect the means that switch assembles means to prevent clip function to detect is, set of level of pressure of movement of crock of automatic door atmospheric pressure is in 4 Kg/cm2, but when actually baric crock postpones door action, but by switch of the pressure that prevent clip visual the pressure change in examining indication action is worth and the record rises, as close the pressure set standard when the movement. With us the automatic door of Vc-85 is exemple, close the pressure when the movement is about in 0.

5~0.

Between 8 Kg/cm2, be in pressure switch set accordingly 1.

0 Kg/cm2, if close set value exceeds in the process, pressure switch can output signal, do by PLC processing open the door and the movement that call the police, when if back pressure is met,exceeding 2 seconds, check muffle with respect to need whether block or exhaust are undesirable. At present the spot can have been assembled normally use, can not have too large unusual generation, when if want to be done with his arm,just preventing clip to check, need little courage just goes. Also detect as a result of use pressure switch as the function that preventing clip is new development, unlike switch of general use layering, or it is the means that smooth brake detects, there can be a problem besides afraid movement when research and development tries besides, still have two relatively serious problems, it is this new function is in peddle carry out domestic and internationally, whether can have the problem of patent tort. 2 it is to do not have afore-mentioned problem suppose, no matter whether we continue to use even, should obtain patent first in order to protect oneself, have the patent access that assembles means to go up in this. CNC Milling