Claims (6)
Postopek za poganjanje postrojenja za rezanje z vodnim curkom in postrojenje za rezanje z vodnim curkom Patentni zahtevkiMethod for propulsion of a water jet cutting unit and a water jet cutting machine Patent claims
1. Postopek za poganjanje postrojenja za rezanje z vodnim curkom z visokotlačno črpalko (1), ki ima več potopnih batov (2) in je priključena na vsebnik (5) z vodo, in z visokotlačnim vodom (7), priključenim na visokotlačno črpalko (1), ki je na rezalno glavo (8) priključen preko ventila (11) rezalne glave, pri čemer se za rezalni proces potopni bati (2) visokotlačne črpalke (1) poganjajo s pogonom preko ročične gredi (3) za ustvarjanje tlaka v visokotlačnem vodu (7) in ventil (11) rezalne glave se odpre, označen s tem, da se na koncu rezalnega procesa visokotlačna črpalka (1) med zapiranjem ventila (11) rezalne glave ob ohranjanju tlaka v visokotlačnem vodu (8) ustavi s servomotorjem (4) pogona preko ročične gredi (3) in se na začetku rezalnega procesa zopet zažene med odpiranjem ventila (11) rezalne glave s servomotorjem (4) pogona preko ročične gredi (3).A method for propulsion of a water jet cutting machine with a high pressure pump (1) having several submersible pistons (2) and connected to the container (5) with water, and by a high pressure line (7) connected to a high pressure pump ( 1) which is connected to the cutting head (8) via the cutting head valve (11), wherein for the cutting process, the dipping pistons (2) of the high pressure pump (1) are driven by a drive through the crankshaft (3) for generating pressure in the high pressure the water (7) and the cutting head valve (11) are opened, characterized in that at the end of the cutting process, the high pressure pump (1) is stopped by a servo motor during the closing of the cutting head valve (11) while maintaining the pressure in the high pressure line (8) 4) is actuated via the crankshaft (3) and is restarted at the beginning of the cutting process when the cutting head valve (11) is opened with the servomotor (4) of the actuator via the crankshaft (3).
2. Postopek po zahtevku 1, označen s tem, da je moč tlak v visokotlačnem vodu (7) pred odprtjem ventila (11) rezalne glave znižati na vnaprej podano vrednost.Method according to claim 1, characterized in that the pressure in the high pressure line (7) can be lowered to a predetermined value before opening the cutting head valve (11).
3. Postopek po zahtevku 1 ali 2, označen s tem, da je visokotlačni vod (7) preko nastavljivega ventila (18) za znižanje tlaka priključen na povratni vod (19).Method according to claim 1 or 2, characterized in that the high pressure line (7) is connected to the return line (19) via the adjustable pressure relief valve (18).
4. Postopek po zahtevku 2 in 3, označen s tem, da je moč tlak v visokotlačnem vodu (7) znižati z ventilom (18) za znižanje tlaka, ki ga je moč nastaviti na vnaprej podano vrednost.Method according to Claims 2 and 3, characterized in that the pressure in the high pressure line (7) can be lowered by a pressure reduction valve (18), which can be adjusted to a predetermined value.
5. Postrojenje za rezanje z vodnim curkom z ročično gredjo (3), s pogonom, z visokotlačno črpalko (1), ki jo je moč gnati, ki ima več potopnih batov (2), priključenih na vsebnik (5) z vodo, pri čemer potopne bate (2) pogon poganja preko ročične gredi (3), in z visokotlačnim vodom (7), ki je priključen na visokotlačno črpalko (1) in ki je na rezalno glavo (8) priključen preko ventila (11) rezalne glave, označeno s tem, da pogon visokotlačne črpalke (1) obsega servomotor (4) s servopretvornikom (13), ki ga je moč preklapljati v odvisnosti od proženja ventila (11) rezalne glave in ki poganja ročično gred (3), jn da je za krmiljenje servopretvornika (13) predviden regulator (15), ki je na eni strani priključen na dajalnik (16) želene vrednosti in na drugi strani na dajalnik (17) dejanske vrednosti za tlak v visokotlačnem vodu (7), tako da se na koncu rezalnega procesa visokotlačna črpalka (1) med zapiranjem ventila (11) rezalne glave ob ohranjanju tlaka v visokotlačnem vodu (8) ustavi s servomotorjem (4) pogona preko ročične gredi (3) in se na začetku rezalnega procesa zopet zažene med odpiranjem ventila (11) rezalne glave s servomotorjem (4) pogona preko ročične gredi (3).A water jet cutting machine with a crank shaft (3), driven by a high-pressure pump (1) which can be driven by a plurality of submersible pistons (2) connected to the container (5) with water, in wherein the immersion piston is actuated by the crankshaft (3) and the high pressure line (7) connected to the high pressure pump (1) and connected to the cutting head (8) via the cutting head valve (11) characterized in that the actuator of the high pressure pump (1) comprises a servomotor (4) with a servomotor (13) which can be switched depending on the actuation of the cutting head valve (11) and which drives the crankshaft (3), i.e. The controller of the servomotor (13) is provided with a regulator (15) connected to the encoder (16) of the desired value on one side and on the other side to the actual pressure value in the high pressure line (7), so that at the end of the cutting The process of the high pressure pump (1) during closing the valve (11) of the cutting head while maintaining the pressure in the high it stops the water line (8) with the servomotor (4) of the drive via the crankshaft (3) and restarts at the start of the cutting process again while opening the cutting head valve (11) with the servomotor (4) of the drive via the crankshaft (3).
6. Postrojenje po zahtevku 5, označeno s tem, da je visokotlačni vod (7) preko nastavljivega ventila (18) za znižanje tlaka priključen na povratni vod (19).A plant as claimed in claim 5, characterized in that the high pressure line (7) is connected to the return line (19) via the adjustable pressure relief valve (18).