Claims (14)
1. Apparat til doseret afgivelse af et smøremiddel, kendetegnet ved: - et grundsystem med tilslutninger til ledninger for smøremidlet, - mindst et inden for grundsystemet bevægeligt anbragt styrestempel med mindst et styreelement, - mindst et inden for grundsystemet bevægeligt anbragt smørestempel med mindst et doseringsrum, - styrestempler, smørestempler og grundsystem danner mindst et trykrum med ved bevægelse af styrestemplet og/eller smørestemplet variabelt rumfang, - ved trykpåvirkning af trykrummet er styrestemplet og/eller smørestemplet bevægeligt inden for grundsystemet, - styrestemplet og smørestemplet er udformet således, at smørestemplets doseringsrum ved bevægelse af styrestemplet inden for grundsystemet gennem styreelementet kan forbindes med et smøremiddeludløb i grundsystemet, - ved forbindelse af doseringsrummet med smøremiddeludløbet kan smørestemplet bevæges således inden for grundsystemet, at smøremidlet i doseringsrummet tilføres smøremiddeludløbet.An apparatus for dosed dispensing of a lubricant, characterized by: - a basic system with connections to the wiring of the lubricant, - at least one guide piston disposed within the basic system with at least one guide element, - at least one lubricant located within the basic system with at least one dosing space. , - control pistons, lubrication pistons and basic system form at least one pressure chamber with variable volume when moving the control piston and / or the lubrication piston, - when the pressure space is actuated, the piston and / or lubrication piston is movable within the basic system, - the control piston and the lubricating piston are designed so that the lubrication piston is designed by moving the control piston within the basic system through the control element can be connected to a lubricant outlet in the basic system, - by connecting the dosing space with the lubricant outlet, the lubricating piston can be moved within the basic system so that the lubricant in the dosing room is supplied with butter. emiddeludløbet.
2. Apparat ifølge krav 1, hvori smørestemplet i det væsentlige er udformet ringformigt, og styrestemplet er anbragt inde i sm ørestem plet.An apparatus according to claim 1, wherein the lubricating piston is substantially annular and the guide piston is disposed within the lubricating piston.
3. Apparat ifølge krav 2, hvori styrestem plets styreelement er udformet som not.Apparatus according to claim 2, wherein the control element control element is formed as a groove.
4. Apparat ifølge krav 2 eller 3, hvori styrestemplet har mindst en doseringsboring, gennem hvilken hvert af trykrummene kan forbindes med mindst et af doseringsrummene.Apparatus according to claim 2 or 3, wherein the guide piston has at least one metering bore through which each of the pressure chambers can be connected to at least one of the metering chambers.
5. Apparat ifølge krav 4, hvori en således udformet ventil er anbragt inde i doseringsboringen, at smøremiddel fra trykrummet kan tilføres doseringsrummet, og tilbageløb af smøremidlet forhindres.Apparatus according to claim 4, wherein a valve so formed is disposed within the metering bore that lubricant from the pressure chamber can be supplied to the metering space, and reflux of the lubricant is prevented.
6. Apparat ifølge et af de foregående krav, hvori mindst et doseringsrum inde i smørestemplet dannes af mindst en boring, i hvilken et med grundsystemet forbundet transportstempel er anbragt således, at doseringsrummets rumfang ved forbindelse af doseringsrummet med smøremiddeludløbet og bevægelse af smørestemplet i transportstemplets retning formindskes således, at smøremiddel, der befinder sig i doseringsrummet, tilføres smøremiddeludløbet.Apparatus according to any one of the preceding claims, wherein at least one dosing space within the lubrication piston is formed by at least one bore in which a conveyor piston connected to the basic system is arranged so that the volume of the dosing chamber is connected by the dosing space with the lubricant outlet and movement of the lubricant piston in the direction of the piston. is reduced so that lubricant located in the dosing space is fed to the lubricant outlet.
7. Apparat ifølge et af kravene 4-6, hvori doseringsrummets rumfang kan forøges ved smørestemplets bevægelse bort fra transportstemplet, idet smørestemplet og styrestemplet er anbragt således, at doseringsrummet kan forbindes med trykrummet over doseringsboringen, således at doseringsrummet fyldes med smøremiddel under rumfangsforøgelsen.Apparatus according to one of claims 4-6, wherein the volume of the dosing chamber can be increased by the movement of the lubrication piston away from the conveyor piston, the lubricating piston and the control piston being arranged such that the dosing space can be connected to the pressure space above the dosing bore, so that the dosing space is filled with lubricant during the volume increase.
8. Apparat ifølge et af kravene 4-7, hvori der er anbragt to i forhold til styrestemplet over for hinanden liggende trykrum, idet mindst en af doseringsboringerne og mindst et af doseringsrummene og transportstempleme er tilordnet hvert trykrum.Apparatus according to one of claims 4 to 7, wherein two pressure compartments are arranged relative to the control piston, at least one of the metering bores and at least one of the metering compartments and the conveyor pistons are assigned to each press space.
9. Apparat ifølge et af de foregående krav, kendetegnet ved: - en indgangstilslutning i grundsystemet, gennem hvilken smøremiddel kan tilføres grundsystemet under tryk, - en tilbageløbstilslutning i grundsystemet, gennem hvilken smøreolie uden tryk kan tilføres et reservoir, - en flervejsventil, gennem hvilken indgangstilslutningen og tilbageiøbstilsfutningen skiftevis kan forbindes med hvert af doseringsrummene.Apparatus according to one of the preceding claims, characterized by: - an inlet connection in the basic system through which lubricant can be supplied to the basic system under pressure, - a reflux connection in the basic system, through which a lubricating oil can be supplied without pressure, - a multi-way valve through which the input connection and the return connection can be alternately connected to each of the dosing compartments.
10. Apparat ifølge krav 9, hvori der er tilvejebragt mindst to trykrum, mindst to doseringsrum og mindst to korresponderende doseringsboringer, idet trykrummene ved passende styring af flervejsventiien skiftevis kan fyldes med under tryk stående smøremiddel, idet styrestemplerne og smørestemplerne er udformet således, at følgende fremgangsmådetrin udføres ved hvert skift aftrykpåvirkningen: - styrestemplet bevæges af trykket i det tilsvarende trykrum i retning mod det trykfrie trykrum, - når endestoppet er nået, forbindes smørestemplets doseringsrum, der er tilordnet det trykfrie trykrum gennem det tilsvarende styreelement med smøremiddeludløbet, - derved bevæges smørestemplet af trykket i det tilsvarende trykrum i retning af det trykfrie trykrum, - ved bevægelsen formindskes det doseringsrum, der er tilordnet det trykfrie trykrum, på grund af transportstemplet, og det indeholdte smøremiddel tilføres smøremiddeludgangen over styreelementet, - samtidig forøges rumfanget af smørestemplets doseringsrum, der er titordnet det under tryk stående trykrum, ved smørestemplets bevægelse på grund af transportstemplet og forbindes gennem den tilsvarende doseringsboring med det under tryk stående trykrum, således at doseringsrummets voksende rumfang fyldes med smøremiddel.Apparatus according to claim 9, wherein at least two pressure compartments, at least two dosing compartments and at least two corresponding dosing bores are provided, the pressure compartments being alternately filled with pressurized lubricant alternately with pressurized lubricant, the control pistons and lubricating pistons being designed so that the following process steps are carried out at each shift of the pressure effect: - the control piston is moved by the pressure in the corresponding pressure chamber towards the pressure-free pressure space, - when the end stop is reached, the dosing space of the lubrication piston allocated to the pressure-free pressure space is connected with the corresponding control element with the lubricant outlet, - thereby the piston is moved. of the pressure in the corresponding pressure chamber in the direction of the pressure-free pressure space, - in the movement, the dosing space assigned to the pressure-free pressure space is reduced due to the conveyor piston and the contained lubricant is fed to the lubricant output over the control element, - simultaneously increased the volume of the dosing chamber dosing space, which is titrated to the pressurized pressure chamber, upon the movement of the lubricating piston due to the conveyor piston and connected through the corresponding dosing bore to the pressurized pressure space so that the growing volume of the dosing compartment is filled with lubricant.
11. Apparat ifølge et af de foregående krav, hvori smørestemplet har en centralt anbragt, aksialt forløbende udsparing, i hvilken styrestemplet er anbragt.Apparatus according to one of the preceding claims, wherein the lubricating piston has a centrally located, axially extending recess in which the piston is arranged.
12. Apparat ifølge et af de foregående krav, hvori udsparingen og det optagne styrestempel er formet således, at en drejning af styrestemplet omkring den aksiale retning forhindres.Apparatus according to any one of the preceding claims, wherein the recess and the received guide piston are formed such that a rotation of the guide piston around the axial direction is prevented.
13. Apparat ifølge et af de ovenstående krav, hvori der er tilvejebragt en sensor, ved hjælp af hvilken styrestemplemes og smørestemplernes bevægelse kan overvåges.Apparatus according to one of the preceding claims, wherein a sensor is provided by which the movement of the control pistons and the butter pistons can be monitored.
14. Apparat ifølge et af de ovenstående krav, i hvilket grundsystemet har følgende kendetegn: - en centralenhed til optagelse af smørestemplet og styrestemplet, i hvilken ledningerne til smøremidlet er anbragt, - to ved centralenhedens ender anbragte endestykkertil dannelse aftrykrummene og - transportstempler, der er anbragt således på endestykkerne, at de griber ind i de tilsvarende boringer i smørestemplet til dannelse af doseringsrummene.Apparatus according to one of the preceding claims, in which the basic system has the following characteristics: - a central unit for receiving the lubrication piston and the control piston in which the wires for the lubricant are arranged, - two end cap nozzles arranged at the ends of the central unit, and - conveying pistons which are arranged on the end pieces so that they engage the corresponding bores in the lubrication piston to form the dosing compartments.