FR2459777A1 - COLLECTOR CYLINDER FOR FORMATION OF BATTERIES OF FLAT ARTICLES - Google Patents

Abstract

COLLECTOR CYLINDER INTENDED TO FORM STACKS OF FLAT ARTICLES THAT TANGENTIALLY ARRIVE TO IT AND ARE PINNED ON A ROW OF NEEDLES. THE NEEDLE HOLDER 3 IS MOUNTED TO SWIVEL IN THE CYLINDER AND IS CONNECTED TO THE SHAFT 9 OF THE BREAKING SHEET 6 BY A TRANSMISSION 10, 11 WHICH, WHEN THE SAID PIVOTING SHEET PIVOTS TO DRIVE NEEDLES 4 WITH THE PINNED BATTERY, COMMUNICATES TO SHAFT 7 OF NEEDLE HOLDER 3 A ROTATIONAL MOVEMENT IN THE REVERSE DIRECTION OF THE DIRECTION OF ROTATION OF THE SHAFT OF THE BREAKING SHEET. USE ESPECIALLY IN MACHINES FOR MAKING FLAT BAGS.

Description

The present invention relates to a collecting cylinder intended to form

  piles of insulated flat articles, which

  are brought substantially tangentially; this cylinder collects

  The reader has a needle holder disposed in the vicinity.

  the side surface of the cylinder, whose needles protrude beyond the lateral surface of the cylinder along a generator and are inclined in the direction of rotation of the cylinder, a bearing stop for the needles, driven

  in the movement over the entire pinning zone, which is dis-

  placed on the opposite side of the article to be pinned, and a metal sheet

  racheuse disposed in a slot in the lateral surface of the

  cylinder passing through the intervals of the needle row.

  which, after pinning a stack comprising a predetermined number of articles, pivots under the action of control devices out of the interrupted surface of the cylinder so as to remove the stack of items from the needles

which is pinned there.

  When, in a collecting cylinder of this kind described by German Offenlegungsschrift No. 25 00 964, the pulling device is actuated, the pile of articles pinned to the row of needles is driven in a substantially radial direction relative to the collecting cylinder. . But, since the different needles are inclined in the direction of rotation of the cylinder

  collector and thus make an acute angle with the diametrical line

  the cylinder, needles tear slots in the

  items driven from needles. While aids holes

  limited size can generally be considered

  If considered acceptable, the slits extending in slits may have serious drawbacks during subsequent processing, or on the finished article, for example a pouch.

laid flat.

  It is therefore an object of the invention to improve a

  liner manifold of the type indicated at the beginning so as to prevent the needle holes from tearing when the pile of

  articles is driven away from the needles.

  This result is achieved by the invention due to the fact that the needle port is pivotally mounted in the cylinder and

  is in driving connection with the shaft of the metal plate

  chage by a transmission which, when the tear plate comes out pivoting, communicates to the shaft of the needle holder a

  rotation in the opposite direction of rotation

  the shaft of the tear plate. With the cylinder

  According to the invention, the needles are inclined in the direction of rotation of the cylinder while the articles are individually pinned by their front edges, so that the needles sting clearly in the articles and that they are pinned correctly on these articles. needles. But when after the formation of a pile, the tear plate is actuated, the row of needles pivots in opposite directions; that is to say in the opposite direction of the direction of rotation of the cylinder

  manifold, in the direction of the diametrical line of this cylinder.

  dre, so that also during tearing, the needles are substantially in alignment with the lines of stitch holes formed by these needles in the stack of bags, and

  the battery can therefore be removed from the needles

  practically axial, which prevents the needles from

chile the pinned items.

  According to a particularly apt development, the trans-

  mission consists of toothed segments meshing with each other that are attached to the shafts of the sheet

pulling and the needle holder.

  It may be provided a lever carrying a cam follower,

  linked at the end to the shaft of the tear-off plate, this pebble of

  rolls on a control cam inserted from the front side into the cylinder at the rate of stack formation, and a spring is provided which holds the lever or shafts

in the pinning position.

  The features and advantages of the invention

  will, moreover, from the description which follows, as

  for example, with reference to the appended drawing in which:

  FIG. 1 is a cross-sectional view of the

  liner collector; FIG. 2 represents in partial longitudinal section the collecting cylinder according to FIG. 1 seen folded in a

plan and, as a result, stretched.

  In the front walls of the collecting cylinder 1 of which

  only the front wall 2 is visible in FIG.

  support 3 for the needles 4 arranged on a rack.

  The support 3 for the needles 4 has at its ends shaft ends 7 which, by means of ball bearings 8, are mounted.

  in corresponding holes in the front walls. The sup-

  port 5 for the tear plate 6 is also provided with its

  ends of tree ends which are mounted using

  in the frontal walls. On the right side of the cy-

  lindre collector 1 shown, the shaft end 7 and the shaft end 9 of the support 5 through the front wall and, on the ends of the shaft ends appearing outside the front wall 2 are fixed the toothed segments 10, He meshing with each other. The toothed segment It is wedged on

  the shaft end 9 by a locking screw 12 so as to

  see reciprocally adjust the rotation positions of the

  Pports 3 and 5. On the outer end of the shaft end 9 of the support 5 for the tear plate 6 is wedged by means of the locking screw 13 the lever 14 on which the cam follower is mounted crazy . To actuate the tear plate 6, the

  cam roller 15 rolls on the control cam 16 which, in turn,

  intermittent phase following the rate of formation of the stack, is introduced by means of guide means not shown in the front face of the collector cylinder far enough to be in the circular path described

by the cam follower 15.

  At the free end of the lever 14 is fixed a hook 17 for the spring 18 whose other end is fixed to a screw 19 which is screwed into the front wall 2. The spring 18 holds the tear plate 6 in its position erasure

  and the needles 4 in their pinning position.

  The tear plate 6 is fixed by screws 20 on the support

  quadrangular port 5. It is equipped with longitudinal slots

  the parallel lines through which the

  guilles 4 when in the pinning position.

  To fix in position on the circumference of the collector cylinder 1 flat articles collected and stacked by pinning, and to prevent them from going back, it

  there is provided a band 22 partially embracing the circumference

  the collecting cylinder and passing on return rollers. Below FIG. 1, there is shown the supports 3, 5 connected in a driving connection by the toothed segments, 11 during the pivoting of the tear plate 6 and the rotational movement in the opposite direction of the needles 4, in a position of half-pivoting and in a position of pi-

  total of the tear plate 6.

Claims (3)

  1. Cylinder collector to form stacks of items   isolated dishes that are brought to it tangentially tangential-   1, having a needle holder disposed in the region of the side surface of the cylinder whose needles protrude outwardly beyond the side surface of the cylinder along a generatrix, and are inclined in the direction of   rotation of the cylinder, also having a stop for   said needles participating in the movement over the entire pinning zone, which is disposed on the opposite side of the article to be pinned, and finally having a tear plate disposed in a slot of the lateral surface of the cylinder and passing through the row needles which, after pinning a   stack of a pre-determined number of items, rotates under the   control devices coming out of the over-   cylindrical face interrupted to chase needles the   pile pinned therein, characterized in that the holder   guilles is pivotally mounted in the cylinder and is connected in drive connection with the shaft of the tear plate by a transmission which, when the tear plate pivots,   communicates to the shaft of the needle holder a movement of   in the opposite direction of the direction of rotation of the shaft of the tear plate.   2. Cylinder collector according to claim 1, characterized   in that the transmission consists of two segments   toothed meshes meshing with each other which are fixed   on the shaft of the tear plate and on the of the needle holder.   3. Cylinder collector according to claim 1 or 2,   characterized in that there is provided a lever connected end to   the shaft of the plate and carrying a cam follower which, for   the tear plate, rolls on a control cam inserted from the front side into the cylinder at the rate of formation of the stack, and that a spring is provided   now the lever or the trees in the spine position SETTING.