GB825861A - Improvements in or relating to suction feeding apparatus - Google Patents

Improvements in or relating to suction feeding apparatus

Info

Publication number
GB825861A
GB825861A GB2730656A GB2730656A GB825861A GB 825861 A GB825861 A GB 825861A GB 2730656 A GB2730656 A GB 2730656A GB 2730656 A GB2730656 A GB 2730656A GB 825861 A GB825861 A GB 825861A
Authority
GB
United Kingdom
Prior art keywords
chamber
diaphragm
rod
air
pressure
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.)
Expired
Application number
GB2730656A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Molins Machine Co Ltd
Original Assignee
Molins Machine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Molins Machine Co Ltd filed Critical Molins Machine Co Ltd
Priority to GB2730656A priority Critical patent/GB825861A/en
Publication of GB825861A publication Critical patent/GB825861A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/08—Separating articles from piles using pneumatic force
    • B65H3/0808—Suction grippers
    • B65H3/0891—Generating or controlling the depression

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Abstract

825,861. Feeding sheets. ROFFEY, W. A., and MOLINS MACHINE CO. Ltd. Sept. 6, 1957 [Sept. 6, 1956], No. 27306/56. Class 100(1) [Also in Group XXIX] In an air pressure regulating device arranged between a source of suction and a suction nozzle or head there is a main chamber 1, an air inlet 4 from the suction nozzle, an air outlet 5 to the suction pump &c., a pressure gauge 25, and a flexible rubber diaphragm 15 covering an opening 14 in the chamber. A piston 6, for controlling the air flow through the outlet 5, is provided with air passage grooves 7, and has a top flange provided with a rubber ring which can engage a seating to cut off the air flow when the piston moves downwardly. The stem 11 of the piston 6 is pivoted to a lever 12 rockable about a pivot 13 and a rod 18 pivoted to the other end of the lever 12 passes through the rubber diaphragm 15 and is screw-threaded to receive a nut 19 which clamps the diaphragm against a shoulder 20 on the rod 18. The diaphragm is clamped to the chamber 1 by a ring 16 and screws 17. An adjusting nut 21 on the rod 18 presses a compression spring 22 against a bridge 23 supported on posts 24 secured to the chamber 1. The spring 22 tends to urge the rod 18 downwardly and thus urges the diaphragm 15 outwardly of the chamber 1. In operation, with the suction nozzle &c. engaging a sheet &c. the air pressure in the chamber 1 is below atmospheric pressure, and the diaphragm 15 will be pulled inwardly against the action of the spring 22. The nut 21 is adjusted so that the pressure in the chamber 1 is at the desired level as shown by the gauge 25. If the internal air pressure falls below the desired level, the diaphragm 15 is pressed inwardly, the rod 18 is moved upwardly, and the piston 6 is lowered to close the outlet 5 until the desired level of internal pressure is again established by air entering through the inlet 4. The inlet 4 can be connected to a sheet-feeding nozzle, and means can be provided for cutting off the air supply after each sheet has been fed. If the nozzle fails to grasp a sheet, there is a sudden substantial increase in the air pressure in the chamber 1, and a temporary sudden and appreciable outward movement of the diaphragm 15 and rod 18; this sudden movement of the rod 18 can be utilized to operate a signal, or actuate mechanism which modifies subsequent operations.
GB2730656A 1956-09-06 1956-09-06 Improvements in or relating to suction feeding apparatus Expired GB825861A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2730656A GB825861A (en) 1956-09-06 1956-09-06 Improvements in or relating to suction feeding apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2730656A GB825861A (en) 1956-09-06 1956-09-06 Improvements in or relating to suction feeding apparatus

Publications (1)

Publication Number Publication Date
GB825861A true GB825861A (en) 1959-12-23

Family

ID=10257430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2730656A Expired GB825861A (en) 1956-09-06 1956-09-06 Improvements in or relating to suction feeding apparatus

Country Status (1)

Country Link
GB (1) GB825861A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2628545A1 (en) * 1988-03-12 1989-09-15 Eberspaecher J PRESSURE REGULATOR, IN PARTICULAR FOR VEHICLE HEATING DEVICES INDEPENDENT OF THE ENGINE

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2628545A1 (en) * 1988-03-12 1989-09-15 Eberspaecher J PRESSURE REGULATOR, IN PARTICULAR FOR VEHICLE HEATING DEVICES INDEPENDENT OF THE ENGINE
GB2216633A (en) * 1988-03-12 1989-10-11 Eberspaecher J Pressure regulator
GB2216633B (en) * 1988-03-12 1992-07-22 Eberspaecher J Pressure regulator

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