EP1357298A2 - Betätigungsventil für einen zweiseitig wirksamen Pneumatikzylinder sowie Verwendung eines solchen Betätigungsventils für mittels Pneumatikzylindern ansteuerbare Spulengatter - Google Patents
Betätigungsventil für einen zweiseitig wirksamen Pneumatikzylinder sowie Verwendung eines solchen Betätigungsventils für mittels Pneumatikzylindern ansteuerbare Spulengatter Download PDFInfo
- Publication number
- EP1357298A2 EP1357298A2 EP03008338A EP03008338A EP1357298A2 EP 1357298 A2 EP1357298 A2 EP 1357298A2 EP 03008338 A EP03008338 A EP 03008338A EP 03008338 A EP03008338 A EP 03008338A EP 1357298 A2 EP1357298 A2 EP 1357298A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- compressed air
- chamber
- valves
- pneumatic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/003—Systems with load-holding valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H49/00—Unwinding or paying-out filamentary material; Supporting, storing or transporting packages from which filamentary material is to be withdrawn or paid-out
- B65H49/02—Methods or apparatus in which packages do not rotate
- B65H49/04—Package-supporting devices
- B65H49/14—Package-supporting devices for several operative packages
- B65H49/16—Stands or frameworks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30505—Non-return valves, i.e. check valves
- F15B2211/3051—Cross-check valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
- F15B2211/3057—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having two valves, one for each port of a double-acting output member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
- F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/329—Directional control characterised by the type of actuation actuated by fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/35—Directional control combined with flow control
- F15B2211/353—Flow control by regulating means in return line, i.e. meter-out control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40507—Flow control characterised by the type of flow control means or valve with constant throttles or orifices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/46—Control of flow in the return line, i.e. meter-out control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
Definitions
- the invention relates to an actuating valve according to the preamble of the claim 1.
- Such an actuating valve is required that after the respective actuated switching valve of the pneumatic cylinder or its piston on both sides remains pressurized so that when the previously operated valve is released no further venting or pressure relief of both pressure chambers takes place, the pneumatic cylinder is held in place, d. i.e., a two-sided effective pneumatic cylinder should preferably by means of manually operated switching valves moved to its respective end positions and immediately when the actuation ceases can be stopped in its feed motion.
- This basic task is carried out e.g. B. by a conventional cylinder control a 5/3-way slide valve that can be controlled by means of two switching valves with a downstream one Exhaust air throttling solved. 3/2-way slide valves are generally used as switching valves used. This leads in particular through the use a 5/3-way slide valve due to the considerable number of required Lip seals for sealing problems between the individual valve channels to problems.
- the invention has for its object to provide an actuating valve which does not have the disadvantages, in particular through the use of a 5/3-way slide valve are required.
- an actuating valve according to the invention Claim 1 or claim 3 proposed.
- a central idea of the invention is in it, instead of the 5/3-way slide valve previously used, two 3/2-way valves to be used, which considerably reduces the sealing problems become.
- the actuating valve according to the invention is preferred for a creel for textile machines according to one or more of the claims 11-20 used.
- Figure 2 shows a double-acting pneumatic cylinder 8, in the opposite Compressed air connecting lines connected to an actuating valve 23 Merge onto L6, R6.
- An attached to the piston rod 8.1 Piston (not shown) can be connected through the compressed air connection line L6 or R6 are pressurized with compressed air while the opposite cylinder or pressure chamber is vented via the other line R6 or L6.
- a pivot bearing eye 24 is attached to the Pneumatic cylinder 8.
- Another one Swivel bearing eye 25 is attached to the piston rod 8.1 around the pneumatic cylinder to be articulated on two machine parts that are movable relative to each other.
- Figure 1a shows the actuating valve 23 in the rest position
- Figure 1b shows one Operating position in which the piston rod 8.1 in the direction of arrow f1 in the Cylinder 8 is retracted.
- FIG. 1a are to a compressed air source P by means of connecting lines L2, R2 two switching valves in the form of, for example, manually operated 3/2-way valves L1, R1 connected.
- Line branches connect to the switching valves L1, R1 L3, R3 on, which contain check valves L4, R4 and two 3/2-way valves L5, R5 lead via lines L6, R6 to the pressure chambers 8.3, 8.4 of the pneumatic cylinder 8 are connected or can be connected.
- the same The purpose is to adjust the 3/2-way valve L5 against the force of the Return spring R8 the control line R7.
- the switching valves L1, R1 as well as the check valves L4, R4 and the valves L5, R5 are preferably seat valves that have valve bodies equipped with sealing rings, which act against spring force are movable in valve chambers, the corresponding valve seats for the sealing rings to have.
- the actuating valve according to the invention thus combines schematically four separate 3/2-way valves and two check valves, preferably as Seat valves are formed and linked together so that at z.
- Actuating valve 23 shown is characterized in that the of Figures 1a and 1b described valve or control elements to save space are housed in a compact valve block.
- this valve block consists of a lower part 25 and a Upper part 26. A guided through the upper part 26 and connectable to a compressed air source P. Channel 27 opens into a distribution chamber 28.
- the lower part 25 are two valve bodies 31, 31 'mounted or guided against by means of buttons L9, R9 the force of return springs 33, 33 'can be inserted into the distribution chamber 28 are.
- the valve body 31 is formed by means of a valve stem 31.1 Annular gap in a bore 25.1 of the valve block lower part 25 mounted in such a way that the section of the bore 25.1 located above the valve stem 31.1 is open to the environment, as shown in Figure 3 for the button L9, see guide shaft 31.1 'and bore 25.1'.
- a bore section 25.4 and a valve chamber are connected to the bore 25.1 25.2, in which a push-button supported on both sides when the button R9 is pressed Sealing ring 31.2 of the valve body 31 is sealingly guided.
- the diameter of the bore section 25.4 is larger than the diameter of the valve chamber 25.2 such that the sealing ring in the bore section when the switching valve is not actuated 25.4 is housed that laterally on this sealing ring 31.2 made a connection between the channel 35 and the environment is.
- the valve chamber 25.2 opens into the forming a valve seat 25.3 Distributor chamber 28.
- the valve chamber 25.2 closes above the sealing ring 31.2 a channel 35 on the side.
- a sealing ring 31.4 of the valve body 31 is in the rest position by the spring 33 pressed against the valve seat 25.3, as in Figure 3 for the valve body 31 'is shown.
- a stepped bore which is a double valve unit consisting of a first, lower valve body 36 and a second, upper valve body 38.
- This step hole has a guide section 39 adjoining the channel 35 and adjoining it a valve chamber 41 connects to form a valve seat 40.
- Valve chamber 41 closes a valve chamber via a further valve seat 42 43 to which a valve chamber 45 is connected via a valve seat 44 is, in which a ventilation channel 46 opens laterally.
- the valve body 36 has a valve stem guided in the guide bore 39 36.1, which has a plurality of axial slots 36.2 distributed over its circumference.
- a sealing ring 36.3 At the On top of the valve stem 36.1 is a sealing ring 36.3, which is in the rest position supported by that between the lower and upper valve bodies 36, 38 Return spring 36.4 is pressed against the valve seat 40.
- the valve body 38 has a valve stem guided in the valve chamber 41 38.1, which is essentially a hollow cylinder with side wall openings 38.2 is formed and with its interior with the valve chamber 41 in connection can stand.
- This valve body 38 carries a first, lower sealing ring 38.3 to interact with the valve seat 42 and a second, upper Sealing ring 38.4 for interaction with the valve seat 44.
- the valve body 38 is also guided with a seal in the valve chamber 45 Provide piston 38.5.
- the actuating valve contains, in addition to that in connection with the valve bodies 31, 36 and 38 described a second valve unit, constructed symmetrically thereto Valve unit, the individual parts of which are shown in FIG. 3 on the left and the same reference numerals like the valve unit shown on the right in Figure 3, whereby for this valve unit shown on the left has a superscript index line is added.
- the two valve units correspond to the control lines L7, R7 of the figures 1a and 1b by means of control channels 47 and 35 '35' 47 'linked together.
- valve unit shown on the right in FIG actuated.
- the sealing ring 31.4 of the valve body 31 of lifted the valve seat 25.3 facing the distribution chamber 28, so that Compressed air flows into the channel 35 and the guide bore 39.
- This valve chamber 43 also has a lateral opening 43.1 a connection channel 50 in connection to which the leading to the pressure chamber 8.4 Compressed air connection line R6 is connected so that the compressed air in this pressure chamber 8.4 can flow.
- the lower valve body 36 After release of the button L9, the lower valve body 36 is released by the return spring 36.4 pressed down so that the sealing ring 36.3 against the valve seat 40 is pressed.
- valve body 36 of the valve unit shown on the right To the one hand the valve body 36 of the valve unit shown on the right and thus to be able to adjust the sealing ring 36.3 against the valve seat 30 and on the other hand the valve body 38 'of the valve unit shown on the left and so that the valve seal 38.4 'move against the valve seat 44'
- the textile machine 1 which is only indicated schematically in FIG. 7, is concerned for example around a cable spindles on both sides in the machine longitudinal direction equipped cabling machine.
- this is the left side of the machine assigned coil gate 2 is shown in its upper operating position.
- the the creel 2 assigned to the right machine side is in its lower loading or mounting position shown.
- each creel is 2 designed as a double coil creel and equipped with four supply coils Sp or loaded, so that two adjacent cabling spindles of a single Coil creel can be operated.
- the supply spools Sp are around so-called single supply spools for the outer thread of the cabling process.
- each creel 2 is on the top of the cabling machine 1 a carrier 3 running in the longitudinal direction of the machine by means of a holder 4 attached.
- the fixed link of a four-bar bracket 4 two further, opposing links 5 and 6 are articulated, on their Ends, opposite to the bracket 4, the fourth four-bar link 7 articulated is.
- the fixed four-bar link Bracket 4 consisting of two frame parts 4.1 which are located opposite one another at a distance between which an upper axis 4.2 and a lower axis 4.3 are mounted.
- the Four-bar link 7 is box-shaped with two opposite side walls 7.1 formed by an end wall 7.4. connected with each other are and between which an upper axis 7.2 and a lower, shown in dashed lines Axis 7.3 are stored.
- the four-bar link 5 can be pivoted on the two upper axes 4.2 and 7.2 stored.
- the four-bar link 6 mounted on the lower axes 4.3 or 7.3 the shape of a box profile for reasons of stability.
- Gas spring 9 can be pivoted on the axes 4.3 and 7.2 (see FIG. 9) stored.
- the gas pressure spring 9 by definition consists of a cylinder in the a piston rod 9.1 with possibly attached pistons for biasing the existing gas volume is retractable in the closed cylinder chamber.
- Each pneumatic cylinder 8 is preferably operated by an actuating valve driven type described.
- Each pneumatic cylinder 8 can be pressurized with compressed air on both sides Pneumatic cylinder designed and contains two by a piston from each other separate compressed air chambers, which are alternately pressurized with compressed air can.
- FIG. 8 there is a frame on the end wall 7.4 forming a mounting plate 11 attached, the two on each side receiving members 12 for supply spools Sp wears.
- An actuating valve is provided on the front of each central web 11 Via compressed air lines, not shown, on the one hand to a compressed air source and on the other hand connected to the two pressure chambers of the pneumatic cylinder 8 is.
- the Compressed air cylinder 8 is pressurized with compressed air such that its piston rod 8.1 (see FIG. 7) with the piston attached to it moves into the cylinder chamber.
- the gas pressure spring 9 at the same time by retracting the piston rod 9.1 biased.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
- 8
- Pneumatikzylinder
- 8.1
- Kolbenstange
- 8.2
- Kolben
- 8.3
- Druckkammer
- 8.4
- Druckkammer
- 23
- Betätigungsventil
- 25
- Unterteil
- 25.1
- Führungsbohrung
- 25.2
- Ventilkammerbohrung
- 25.3
- Ventilsitz
- 26
- Oberteil
- 27
- Kanal (zur Druckluftquelle)
- 28
- Verteilerkammer
- 31, 31'
- Ventilkörper
- 31.1
- Ventilschaft
- 31.2 31.3
- Dichtungsring
- 31.4
- Dichtungsring
- 33,33'
- Rückstellfedern
- 35
- Kanal
- 36
- unterer Ventilkörper
- 36.1
- Ventilschaft
- 36.2
- Radialschlitze
- 36.3
- Ventildichtung
- 36.4
- Rückstellfeder
- 38
- oberer Ventilkörper
- 38.1
- Ventilschaft
- 38.2
- Wandöffnungen
- 38.3
- Ventildichtung
- 38.4
- Ventilbohrung
- 38.5
- Kolben
- 39
- Führungsbohrung
- 40
- Ventilsitz
- 41
- erste Ventilkammer
- 42
- Ventilsitz
- 43
- Ventilkammer
- 44
- Ventilsitz
- 45
- Ventilkammer
- 46
- Entlüftungskanal
- 47, 47'
- Steuerkanäle
- 47.1
- Anschlußkanal
- 47.2
- Mündungsöffnung
Claims (20)
- Betätigungsventil für einen Pneumatikzylinder (8), der zwei durch einen an einer Kolbenstange (8.1) angebrachten Kolben voneinander getrennte Druckkammern (8.3; 8.4) aufweist, welches Betätigungsventil zwei an eine Druckluftquelle (P) anschließbare 3/2-Wegeventile als Schaltventile (L1; R1) sowie ein zwischen diesen Schaltventilen und dem Pneumatikzylinder (8) angeschlossenes Ventilsystem enthält, durch das bei Betätigung eines der beiden Schaltventile jeweils die eine Druckkammer mit Druckluft beaufschlagt und die andere Druckkammer über eine Abluftdrossel druckentlastet wird, dadurch gekennzeichnet, daß das Ventilsystem zwei dem Pneumatikzylinder unmittelbar vorgeschaltete 3/2-Wegeventile (L5; R5) sowie zwei Rückschlagventile (L4; R4) aufweist, die jeweils einzeln in eines der Schaltventile (L1 bzw. R1) mit einem der beiden 3/2-Wegeventile (L5 bzw. R5) verbindenden Leitungszweigen (L3; R3) liegen, an die jeweils eine zu dem anderen der beiden 3/2-Wegeventile (R5 bzw. L5) führende Steuerleitung (L7 bzw. R7) angeschlossen sind, über die die beiden 3/2-Wegeventile (L5; R5) zwischen ihren Druckluftdurchlaßstellungen und ihren druckentlastenden Stellungen verstellbar sind derart, daßa) bei nichtbetätigten Schaltventilen (L1; R1) die 3/2-Wegeventile (L5; R5) ihre Druckluftdurchlaßstellungen einnehmen, während die Schaltventile eine die Leitungszweige (L3; R3) entlüftende Stellung einnehmen, währendb) bei Betätigung jeweils eines der beiden Schaltventile dieses eine Druckluftdurchlaßstellung zu dem daran angeschlossenen Leitungszweig einnimmt.
- Betätigungsventil nach Anspruch 1, dadurch gekennzeichnet, daß die Schaltventile (L1, R1) sowie die Rückschlagventile (L4, R4) und die Ventile (L5, R5) Sitzventile sind, die mit Dichtungsringen bestückte Ventilkörper aufweisen, welche gegen Federkraft in Ventilkammern verschiebbar sind, die entsprechende Ventilsitze für die Dichtungsringe haben.
- Betätigungsventil mit zwei an einen zwei Druckkammern aufweisenden, zweiseitig wirksamen Pneumatikzylinder (8) anschließbaren Druckluft-Anschlußkanälen (50; 50') sowie zwei von außen betätigbaren Schaltventilen zum wechselweisen Anschließen jeweils eines der beiden Druckluft-Anschlußkanäle an eine Druckluftquelle P und zur gleichzeitigen, über eine Abluftdrossel gesteuerten Entlüftung des jeweiligen anderen Druckluft-Anschlußkanals, wobei jedem Druckluft-Anschlußkanal (50; 50') eine Ventileinheit vorgeschaltet ist, die jeweils zwei mit Dichtungsringen bestückte Ventilkörper (36, 36'; 38, 38') umfaßt, die koaxial zueinander in als Stufenbohrungen ausgebildeten Ventilkammern (41, 43, 45 bzw. 41', 43' 45') untergebracht sind und zwischen denen eine beide Ventilkörper (36, 36'; 38, 38') in ihre Schließstellungen beaufschlagende Rückstellfeder (33; 33') angebracht ist.
- Betätigungsventil nach Anspruch 3, dadurch gekennzeichnet, daß alle Ventile als Sitzventile ausgebildet sind und in einem gemeinsamen Ventilblock untergebracht und derart miteinander verknüpft sind, daß bei Betätigung eines der beiden Schaltventile eine der beiden Druckkammern des Pneumatikzylinders mit Druckluft beaufschlagbar ist, während die andere Druckkammer vorzugsweise über eine Abluftdrossel entlüftet wird, so daß bei Freigabe des zuvor betätigten Schaltventils der Pneumatikzylinder beidseitig mit Druckluft beaufschlagt bleibt und damit eine Selbsthaltung des Pneumatikzylinders bzw. dessen Kolbens erzielt ist.
- Betätigungsventil nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß der Ventilblock (25, 26) eine für beide Schaltventile gemeinsame, an eine Druckluftquelle anschließbare Verteilerkammer 28 aufweist derart, daß bei Betätigung eines der beiden Schaltventile eine Verbindung zu dem diesem Schaltventil zugeordneten Druckluft-Anschlußkanal (50; 50') hergestellt wird.
- Betätigungsventil nach Anspruch 5, dadurch gekennzeichnet, daß jedes Schaltventil eine unter Bildung eines Ventilsitzes (25.3) in die Verteilerkammer (28) mündende Ventilkammer (25.2) zur Aufnahme eines Ventilkörpers (31) aufweist, der gegen die Kraft einer Rückstellfeder (33) in die Verteilerkammer (28) einschiebbar ist und an seinem, in die Verteilerkammer (28) einschiebbaren Ende einen Dichtungsring (31.4) zum Zusammenwirken mit dem Ventilsitz (25.3) aufweist, und daß in die Ventilkammer (25.2) seitlich ein zu dem zugeordneten Druckluft-Anschlußkanal (50) führender Kanal (35) einmündet.
- Betätigungsventil nach Anspruch 6, dadurch gekennzeichnet, daß an die Ventilkammer (25.2) an dem nicht in die Verteilerkammer (28) einmündenden Ende ein Bohrungsabschnitt (25.4) anschließt, dessen Durchmesser größer ist als der Durchmesser der Ventilkammer (25.2), und daß der Ventilkörper (31) an seinem, diesem Bohrungsabschnitt (25.4) zugewandten Ende einen Dichtungsring (31.2) trägt, der bei Eindrücken des Ventilkörpers (31) in die Verteilerkammer (28) abdichtend in der Ventilkammer (25.2) geführt ist, während er bei nichtbetätigtem Schaltventil so in dem Bohrungsabschnitt (25.4) untergebracht ist, daß seitlich an diesem Dichtungsring (31.2) vorbei eine Verbindung zwischen dem Kanal (35) und der Umgebung hergestellt ist.
- Betätigungsventil nach Anspruch 7, dadurch gekennzeichnet, daß in dem Ventilblock (25, 26) zur Aufnahme der aus einem ersten Ventilkörper (36) und einem zweiten Ventilkörper (38) bestehenden Doppel-Ventileinheit eine Stufenbohrung angebracht ist, die einen an den Kanal (35) anschließenden Führungsabschnitt (39) hat, an den sich unter Bildung eines Ventilsitzes (40) eine erste Ventilkammer (41) anschließt, an die über einen Ventilsitz (42) eine zweite Ventilkammer (43) anschließt, die einen größeren Durchmesser hat als die Ventilkammer (41) und eine seitliche Öffnung zu dem Druckluft-Anschlußkanal (50) hat und an die über einen Ventilsitz (44) eine dritte Ventilkammer (45) anschließt, in die ein zur Umgebung offener Entlüfungskanal (46) mündet, daß der erste Ventilkörper (36) einen in der Führungsbohrung (39) geführten Ventilschaft (36.1) aufweist, der an seinem Umfang mindestens einen Axialschlitz aufweist und an seiner Oberseite einen mit dem Ventilsitz (40) zusammenwirkenden Dichtungsring (36.3) trägt, daß der zweite Ventilkörper (38) einen in der Ventilkammer (41) geführten Ventilschaft (38.1) aufweist, der im wesentlichen als Hohlzylinder mit seitlichen Wandöffnungen (38.2) ausgebildet ist, um in der Öffnungsstellung des ersten Ventilkörpers (36) eine Verbindung zwischen der Ventilkammer (41) und der Ventilkammer (43) herzustellen, daß der zweite Ventilkörper (38) einen ersten Dichtungsring (38.3) zum Zusammenwirken mit dem Ventilsitz (42) sowie einen zweiten Dichtungsring (38.4) zum Zusammenwirken mit dem Ventilsitz (44) trägt, und daß der Ventilkörper (38) mit einem in der Ventilkammer (45) abdichtend geführten Kolben (38.5) versehen ist derart, daß bei Druckluftbeaufschlagung des zweiten Ventilkörpers (38) dieser entgegen der Kraft einer sich zwischen den ersten und zweiten Ventilkörpern (36, 38) abstützenden Rückstellfeder (36.4) derart verstellbar ist, daß der Dichtungsring (38.4) von dem Ventilsitz (44) abgehoben und damit eine Verbindung zwischen dem Entlüfungskanal (46) und der zweiten Ventilkammer (43) und damit dem Druckluft-Anschlußkanal (50) herstellbar ist.
- Betätigungsventil nach Anspruch 8, dadurch gekennzeichnet, daß dem Entlüftungskanal (46) eine Abluftdrossel zugeordnet ist.
- Betätigungsventil nach Anspruch 8, dadurch gekennzeichnet, daß an den Kanal (35) ein Kanalsystem (47, 47.1) anschließt, das in die Zyliderkammer (45') der dem zweiten Druckluft-Anschlußkanal (50') vorgeschalteten Doppel-Ventileinheit einmündet derart, daß der zweite Ventilkörper (38') dieser zweiten Doppel-Ventileinheit entgegen der Kraft der dieser zweiten Doppel-Ventileinheit zugeordneten Rückstellfeder (36.4') derart verstellbar ist, daß eine Verbindung zwischen der zweiten Druckluft-Anschlußleitung (50') und dem Entlüftungskanal (46') dieser zweiten Doppel-Ventileinheit herstellbar ist.
- Spulengatter, das mittels eines Gelenkvierecks an einer an dem Maschinengestell einer Textilmaschine angeordneten, das feststehende Glied des Viergelenks bildenden Halterung verschwenkbar gelagert ist und mittels eines einerseits an der Halterung und andererseits an einem der beweglichen Viergelenkglieder angelenkten Pneumatikzylinders aus einer unteren Beladeposition in eine obere Betriebsposition verschwenkbar ist, dadurch gekennzeichnet, daß zum Verschwenken des Spulengatters (2) aus der Betriebsposition in die Beladeposition der Pneumatikzylinder (8) ein zweiseitig mit Druckluft beaufschlagbarer Pneumatikzylinder ist und der Pneumatikzylinder mittels eines Betätigungsventils nach einem der Ansprüche 1 - 10 ansteuerbar ist..
- Spulengatter nach Anspruch 11, gekennzeichnet durch eine beidseitig an dem Viergelenk angelenkte Gasdruckfeder (9), die beim Verschwenken des Spulengatters (2) in die Beladeposition gespannt wird.
- Spulengatter nach Anspruch 12, dadurch gekennzeichnet, daß die Gasdruckfeder (9) im wesentlichen parallel zum Pneumatikzylinder (8) angeordnet und mit ihren Enden auf den beidseitigen Schwenkachsen des Pneumatikzylinders (8) gelagert ist.
- Spulengatter nach Anspruch 11, dadurch gekennzeichnet, daß die Gasdruckfeder (9) zwischen zwei Pneumatikzylindern (8) angeordnet ist.
- Spulengatter nach Anspruch 11, dadurch gekennzeichnet, daß an dem der Halterung (4) gegenüberliegenden Viergelenkglied (7) Aufnahmeglieder (12) zum Aufstecken von Vorlagespulen (Sp) angebracht sind.
- Spulengatter nach Anspruch 11, dadurch gekennzeichnet, daß an dem der Halterung (4) gegenüberliegenden Viergelenkglied (7) ein Gestell (11) befestigt ist, an dem beidseitig Aufnahmeglieder (12) zum Aufstecken von Vorlagespulen (Sp) angebracht sind.
- Spulengatter nach Anspruch 11, dadurch gekennzeichnet, daß jeder Pneumatikzylinder (8) mit seinem einen Ende an dem Viergelenkglied (7) befestigt ist, das dem die Halterung bildenden stationären Viergelenkglied (4) gegenüberliegt.
- Spulengatter nach einem der Ansprüche 11 bis 17, dadurch gekennzeichnet, daß das die Halterung bildende feststehende Viergelenkglied (4) zwei im Abstand voneinander liegende Rahmenteile (4.1) enthält, zwischen denen zwei Gelenke des Viergelenks bildende Achsen (4.2) bzw. (4.3) gelagert sind.
- Spulengatter nach einem der Ansprüche 11 bis 18, dadurch gekennzeichnet, daß mindestens ein Viergelenkglied (6) kastenförmig gestaltet ist.
- Spulengatter nach Anspruch 15 und 16, dadurch gekennzeichnet, daß das Viergelenkglied (7) zwei sich mit Abstand gegenüberliegende Wandabschnitte (7.1) aufweist, die durch eine Stirnwand (7.3) als Halterung für das Gestell (11) miteinander verbunden sind.
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DE10218589 | 2002-04-26 | ||
DE10218589 | 2002-04-26 |
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EP1357298A2 true EP1357298A2 (de) | 2003-10-29 |
EP1357298A3 EP1357298A3 (de) | 2005-09-28 |
EP1357298B1 EP1357298B1 (de) | 2013-06-12 |
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Application Number | Title | Priority Date | Filing Date |
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EP03008338.0A Expired - Lifetime EP1357298B1 (de) | 2002-04-26 | 2003-04-10 | Betätigungsventil für einen zweiseitig wirksamen Pneumatikzylinder |
Country Status (5)
Country | Link |
---|---|
US (1) | US6848641B2 (de) |
EP (1) | EP1357298B1 (de) |
CN (1) | CN1325802C (de) |
DE (1) | DE10253340B4 (de) |
HK (1) | HK1061060A1 (de) |
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DE102004021573A1 (de) * | 2004-05-03 | 2005-12-01 | Adam Opel Ag | Inline-Kleberüberwachungssystem und Verfahren zur Überwachung von Kleberraupen und zur Kantenerkennung |
NL1026393C2 (nl) | 2004-06-11 | 2005-12-14 | Actuant Corp | Hydraulische bedieningsinrichting. |
ATE471459T1 (de) * | 2004-12-15 | 2010-07-15 | Actuant Corp | Direkt wirkendes, neutrales 4-wege-3-positions- tandemmittenventil |
DE102007027603A1 (de) * | 2007-06-12 | 2008-12-18 | Voith Patent Gmbh | Hydraulischer Antrieb, insbesondere für Werkzeugmaschinen, und Verfahren zum Steuern des hydraulischen Antriebs |
DE102007029355A1 (de) * | 2007-06-26 | 2009-01-02 | Robert Bosch Gmbh | Hydraulische Steueranordnung |
DE102008031317A1 (de) * | 2008-07-02 | 2010-01-07 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Kompressorsystem mit beschränktem Ansaugladedruck |
DE102011014685A1 (de) * | 2011-03-22 | 2012-09-27 | Linde Material Handling Gmbh | Hydraulische Steuerventileinrichtung |
CN102654149B (zh) * | 2012-05-18 | 2015-06-03 | 常德中联重科液压有限公司 | 液压控制阀 |
DE202012102221U1 (de) | 2012-06-18 | 2012-07-11 | Airtec Pneumatic Gmbh | Ventil zum alternierenden Befüllen eines ersten Arbeitsraums und eines zweiten Arbeitsraums eines Kolben-Zylinder-Systems mit einem Arbeitsfluid |
CN105156393A (zh) * | 2015-09-30 | 2015-12-16 | 中国船舶重工集团公司第七一九研究所 | 一种低噪声集成气动阀 |
JP6551740B2 (ja) * | 2015-10-28 | 2019-07-31 | Smc株式会社 | 流体制御弁 |
DE102016112356A1 (de) * | 2016-07-06 | 2018-01-11 | Smc Pneumatik Gmbh | Ventilvorrichtung mit einer Ablassfunktion für einen Restdruck, Pneumatikzylindereinrichtung mit einer solchen sowie Verfahren zur Entlüftung einer solchen Pneumatikzylindereinrichtung |
US10472199B1 (en) * | 2016-09-09 | 2019-11-12 | American Linc, Llc | Creel safety latch, overhead bobbin creel, and method for loading and unloading an overhead bobbin creel |
US20180112686A1 (en) * | 2016-10-26 | 2018-04-26 | Hydraforce, Inc. | Hydraulic actuator system of vehicle having secondary load-holding valve with tank connection |
CN107385614B (zh) * | 2017-01-06 | 2020-03-31 | 大丰万达纺织有限公司 | 一种新型包芯纱导丝装置 |
CN106813823B (zh) * | 2017-03-27 | 2023-03-31 | 安徽理工大学 | 一种多测点快捷式压力表开关 |
JP2019015348A (ja) * | 2017-07-07 | 2019-01-31 | 東京エレクトロン株式会社 | ガスシリンダ |
US10724555B2 (en) * | 2017-07-28 | 2020-07-28 | Dresser, Llc | Generating two pneumatic signals to operate an actuator on a valve assembly |
CN108019387B (zh) * | 2017-12-01 | 2019-12-06 | 三一重型装备有限公司 | 一种控制油路、卷缆装置以及掘进机 |
JP6960585B2 (ja) * | 2018-12-03 | 2021-11-05 | Smc株式会社 | 流量コントローラ及びそれを備えた駆動装置 |
DE102019104283A1 (de) | 2019-02-20 | 2020-08-20 | Saurer Technologies GmbH & Co. KG | Steuereinheit zur pneumatischen Ansteuerung eines aktiven Spulengatters |
JP7063436B2 (ja) * | 2019-09-06 | 2022-05-09 | Smc株式会社 | 流量コントローラ及びそれを備えた駆動装置 |
JP7089244B2 (ja) * | 2019-09-06 | 2022-06-22 | Smc株式会社 | エアシリンダ、ヘッドカバー及びロッドカバー |
CN111395959B (zh) * | 2020-03-30 | 2021-09-07 | 西安石油大学 | 一种动态指向式旋转导向钻井工具试验台动力*** |
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AT237487B (de) * | 1962-06-06 | 1964-12-10 | Sdruzeni Podniku Textilniho St | Spulengatter für Textilmaschinen |
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DE10035902A1 (de) * | 2000-07-21 | 2002-01-31 | Mannesmann Rexroth Ag | Wegesitzventilanordnung |
-
2002
- 2002-11-14 DE DE10253340A patent/DE10253340B4/de not_active Expired - Fee Related
-
2003
- 2003-04-10 EP EP03008338.0A patent/EP1357298B1/de not_active Expired - Lifetime
- 2003-04-25 US US10/249,627 patent/US6848641B2/en not_active Expired - Fee Related
- 2003-04-28 CN CNB031284302A patent/CN1325802C/zh not_active Expired - Fee Related
-
2004
- 2004-06-08 HK HK04104079A patent/HK1061060A1/xx not_active IP Right Cessation
Non-Patent Citations (1)
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None |
Also Published As
Publication number | Publication date |
---|---|
HK1061060A1 (en) | 2004-09-03 |
CN1472443A (zh) | 2004-02-04 |
EP1357298A3 (de) | 2005-09-28 |
DE10253340B4 (de) | 2007-02-15 |
EP1357298B1 (de) | 2013-06-12 |
DE10253340A1 (de) | 2003-11-20 |
US20030201355A1 (en) | 2003-10-30 |
US6848641B2 (en) | 2005-02-01 |
CN1325802C (zh) | 2007-07-11 |
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