EP0726436A1 - Feeding system for vertical ovens for drying tops of cans - Google Patents

Feeding system for vertical ovens for drying tops of cans Download PDF

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Publication number
EP0726436A1
EP0726436A1 EP94931596A EP94931596A EP0726436A1 EP 0726436 A1 EP0726436 A1 EP 0726436A1 EP 94931596 A EP94931596 A EP 94931596A EP 94931596 A EP94931596 A EP 94931596A EP 0726436 A1 EP0726436 A1 EP 0726436A1
Authority
EP
European Patent Office
Prior art keywords
lids
scoops
feeding system
tins
tops
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.)
Withdrawn
Application number
EP94931596A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jose Penalver Garcia
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0726436A1 publication Critical patent/EP0726436A1/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
    • F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
    • F26B15/20—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all vertical or steeply inclined
    • F26B15/22—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all vertical or steeply inclined the objects or batches of materials being carried by endless belts the objects or batches of material being carried by trays or holders supported by endless belts or chains

Definitions

  • this invention which object consists on introducing a number of modifications into the mechanism of the ovens used to dry the lids, so that it may be possible to adapt the feeding tower, which carries the lids inside the oven, to fit their various sizes and shapes, thus achieving a greater degree of oven operation versatility.
  • drying ovens made up of heating elements used to dry parts that are carried through them internally by using a conveyance mechanism made up of a rotating frame incorporating part housing plates, being further fitted with controlling devices to regulate its temperature and heating time, as well as with a device to actuate the rotating frame and an internal drying oven lifting mechanism.
  • drying ovens incorporate a conveyor belt within them used to carry the metal parts during the drying operation.
  • ovens that incorporate carrying spindles located opposite each other, fitted with channels into which fit the lids that move upward towards the upper area through the action of the rotating movement of said spindles.
  • the lids are then transferred onto two lowering spindles, which similarly cause the lids to slide downwards towards the outlet opening.
  • This system suffers the problem of the obstructions that take place at the upper area when the lids move from the rising spindles to the lowering spindles, as well as the problems arising from the friction of the lids during their movement. It is also worth mentioning the vibrations caused during the operation of the device and the added difficulties posed by its having a continuous supply system.
  • a solution is hereby advanced consisting on attaching fixed scoops, with a reduced contact surface, to a rotating device, so that the lids of the tins are held over the scoops, thus enabling a more uniform drying of said lids. Notwithstanding this, this rotating device is placed so that the distance between the scoops remains constant, enabling only the drying of lids of tins of the same size.
  • This invention tries to solve the aforementioned problems through the adoption of a number of modifications in respect of the currently existing systems, thus allowing drying the lids of tins of various sizes and shapes, with a controlled drying time that enables the production of parts with a better finish.
  • the invention herein proposed consists on an oven which object is to dry the lids of the tins, after they are subjected to a varnishing or liquid rubber coating operation, basically consisting of a mechanism used to regulate the width of a feeding tower in which the lids are conveyed. Said lids remain fixed, without sliding, upon supports movable through the action of dragging chains to which they are attached, thus avoiding with this mechanism the frictions and vibrations normally generated in these devices.
  • the distance between the end points of the feeding tower in which are located the chains used to drag the scoops supporting the lids is regulated through the displacement of pinions on which said chains engage.
  • the pinions are fitted with an internal opening in which a number of stub ends are arranged, joined to the spindle that controls the distance between the pinions, through the setting of blocking clamps in the appropriate position as per the size of the lids to be dried.
  • the end chains engage onto upper and lower pinions, thus establishing the movement of each chain as per a closed cycle, determining a joint displacement of each one of the scoops associated to the chains as per the selected cycle.
  • the lids that are introduced through the oven inlet are sequentially placed onto the corresponding scoops, one by one, being then displaced in the upward moving vertical direction until the section where the upper engagement pinion is located is reached, around which they then effect a rotating movement and later descend vertically until they reach the level of the outgoing conveyor belt, being duly deposited on the belt which then carries them outside the oven.
  • the lids are uniformly dried during the conveyance of each one of them across the vertical oven, maintaining the same drying intensity throughout their trip.
  • the drying ovens for varnished lids of tins is made up of a feeding tower inside which are conveyed the lids of the tins (1) arranged upon scoops (2) attached to the drag chains (3) that engage onto upper (4) and lower (5) pinions, being said pinions located across each other and capable of being displaced to spindles (6) and (7) respectively arranged inside said pinions, to which they are coupled in the position that determines the distance coinciding with the length of the lids (1) that are to be dried.
  • the upper pinions (4) are displaced outward or inward as a function of the rotation imposed onto the spindle (6), until the pinions (4) are fixed to the spindle (6) in the desired position by way of a clamp blocking system.
  • the distance between the upper (6) pinions shall coincide with the distance between the lower (5) pinions.
  • the metal scoops (2) that convey the lids (1) come in two possible configurations, one of them with four longitudinal lips defining three internal channels inside which plain lids are placed, and an alternative one (2') that consists of a scoop with a sole channel adaptable so as to support double bottomed lids.
  • Each one of the scoops (2, 2') is fitted with holes for the passage of bolts to attach the scoops to the conveyor chain (3).
  • conveyor belts synchronized with the movement of the chains (3), which move through the action of a step by step transmission mechanism that eases the loading and unloading of each one of the lids (1) as and when required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)
EP94931596A 1994-07-29 1994-11-03 Feeding system for vertical ovens for drying tops of cans Withdrawn EP0726436A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES9402087U 1994-07-29
ES9402087U ES1028735Y (es) 1994-07-29 1994-07-29 Sistema de alimentacion para hornos verticales de secado de tapas para latas.
PCT/ES1994/000106 WO1996004515A1 (es) 1994-07-29 1994-11-03 Sistema de alimentacion para hornos verticales de secado de tapas para latas

Publications (1)

Publication Number Publication Date
EP0726436A1 true EP0726436A1 (en) 1996-08-14

Family

ID=8287637

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94931596A Withdrawn EP0726436A1 (en) 1994-07-29 1994-11-03 Feeding system for vertical ovens for drying tops of cans

Country Status (5)

Country Link
EP (1) EP0726436A1 (pt)
AU (1) AU8061994A (pt)
ES (1) ES1028735Y (pt)
PT (1) PT9193T (pt)
WO (1) WO1996004515A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2212731B1 (es) * 2002-10-01 2005-09-16 Jose Gomariz Rodriguez Procedimiento para el secado del barniz exterior de rebarniza-do en las tapas de las latas de facil apertura para conservas y otros y dispositivo para su realizacion.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB737831A (en) * 1952-09-22 1955-10-05 Helmut Majer Improvements relating to drying apparatus for paper or like tubes or sleeves
DE3228293A1 (de) * 1982-07-29 1984-02-02 Verwaltungsgesellschaft Heinrich Neitz GmbH & Co KG, 4930 Detmold Transportvorrichtung fuer massenartikel, insbesondere emballagedeckel und verschluesse sowie verfahren zum transportieren dieser massenartikel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9604515A1 *

Also Published As

Publication number Publication date
WO1996004515A1 (es) 1996-02-15
PT9193T (pt) 1996-04-30
ES1028735U (es) 1995-03-01
ES1028735Y (es) 1995-08-16
AU8061994A (en) 1996-03-04

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