DE3423570A1 - Apparatus for transferring rod-shaped articles in the tobacco processing industry from an axial to a trans-axial conveying direction - Google Patents

Abstract

Two accelerators (17, 18) are assigned to an extrusion machine in the tobacco processing industry for converting the rod sections (9) cut off from the rod (4) from the axial to the trans-axial conveying direction of a lock-in drum 13, the two accelerators being arranged in series, rotating at different peripheral speeds and accelerating the articles in two stages. <IMAGE>

Description

Stw. KDF-tinstoUtrommel-Uoppel Accelerator-I

Device for feeding rod-shaped articles of the tobacco processing industry Industry from a longitudinally axial to a transverse axial conveying direction The invention relates to a device for feeding on a longitudinal conveyor longitudinally axially rod-shaped articles of the tobacco processing industry conveyed one after the other onto a transverse conveyor conveying the articles transversely axially, with an accelerator for accelerated separation of individual articles from the longitudinally axial row of articles or for accelerated pushing the separated articles into the cross conveyor.

With increasing production output it becomes the tobacco processing industry, such as cigarette rod machines or filter rod machines, it is becoming more and more difficult to remove the strand sections separated from the strand from their longitudinal axis To transfer the production conveyor track to a transverse-axial further processing conveyor track, because the strand sections are no longer available in the short time available for this transferred quickly enough to the cross conveyor moving across the strand conveyor can be. Disturbances of the conveying flow up to damage or even destruction of the transferred strand sections are the result. Usually with this one Rotating accelerators used overhead guidance can be used without adverse effects on the article quality in its performance not be increased, because to one too large slip between the strand surface and the effective peripheral surface of the To avoid accelerating agents, an unreasonably strong pressure or deformation the article would have to be accepted.

Stw .: KDF-single-drum double accelerator-It lies in the invention The underlying task is an article-friendly, even for high production output indicate suitable acceleration device.

According to the invention, this object is achieved in that the accelerator from successive in the longitudinal axial conveying direction, the articles with a Component acting in the longitudinal direction, with different peripheral speeds rotating accelerators.

With today's production outputs that are considered realistic the production of cigarettes or filter rods in the order of 8,000 Articles per minute, an embodiment according to the invention is the resultant Requirements fully meet, which consists in the fact that two consecutive Accelerators are provided, of which the article was last loaded second accelerator has a higher peripheral speed than that of the article accelerator to be applied first. If necessary, d. H. with increasing production output, Further acceleration levels could be set up in accordance with the invention.

In the context of the invention, it would be conceivable that the normally synchronous running with the main machine drive or derived from it in terms of drive Accelerator through differently graded reduction gears with different Running speeds. A preferred embodiment of the invention exists on the other hand, in that the effective circumferential portion of the acting on the article second accelerator has a greater distance from the axis of rotation than the effective peripheral portion of the first accelerator.

Stw .: KDF-push-in-drum-double-accelerator-Ir Appropriately the cross conveyor is designed as a push-in drum with circumferential troughs, The advantage achieved by the invention is that the acceleration of the Strand sections are carried out in stages, so that under certain circumstances even by a reduction the peripheral speed of the individual accelerators is less stressed of the strand sections when accelerating while at the same time overall higher Acceleration of the strand sections is guaranteed.

Stw .: KDF-one-shot drum double accelerator-II The invention becomes in more detail below on the basis of an exemplary embodiment shown in the drawing explained. Here: FIG. 1 shows a partial view of a rod machine used by the tobacco processing company Industry in the area between the cutting device and the pusher drum with the acceleration device according to the invention, FIG. 2 shows an enlarged section through an accelerator and FIG. 3 shows a section through the accelerator along the line III-III according to FIG 2.

Stw .: KDF-push drum double accelerator-II Figure 1 shows one Part of a rod machine in the tobacco processing industry with a machine bed 1, a format tape 2 with drive 3 for forming an article strand 4, a Cutting device 6 with cutting tube 7, a guide channel attached to the machine bed 1 8 for guiding strand sections or articles 9, acceleration means 11 for the article 9, a further guide trough 12 attached to the machine bed 1 and one driven synchronously with the cutting device 6 as an article depositing device Serving pusher drum 13 with troughs 14 and a cover 16.

The acceleration means 11 consist of two rotatingly driven Accelerators 17 and 18, which are located one behind the other in the conveying direction of the articles 9 and of which the downstream accelerator 18 has a larger diameter has than the upstream accelerator 17, so that when accelerating effective circumferential sections 19 and 21 which come into contact with the articles 9 Accelerators 18 have a greater distance from the axis of rotation than the corresponding ones effective circumferential sections 22 and 23 of the accelerator 17.

One of the two was identical except for the different size designed accelerator is shown in Figures 2 and 3. According to this are the two effective circumferential sections 19 and 21 of the accelerator 18 accordingly the article circumference provided with a concave formation 24 in which in the circumferential direction Suction openings 26 located one behind the other open out, which are connected to an axis of rotation 27 surrounding annular suction chamber 28 are connected.

The operation of the accelerator is as follows: The Article strand 4 formed on the format belt 2 is in Stw .: KDF single-push drum double accelerator IE the cutting tube 7 from the cutting device 6 in individual articles 9 cut. The single After cutting, items 9 get onto the guide channel 8 and slide on it - Lying head to head - in the area of the accelerator 11. One here first article ¢ detected by the effective peripheral portion 23 of the first accelerator 17 additionally acted upon by suction air through the suction openings 26 and as a result of the higher peripheral speed of the accelerator relative to the strand speed 17 accelerated and separated from the strand, which can be seen in the other gap 29 according to FIG is. The article 9 accelerated in this way becomes downstream in the same way detected by the second accelerator 18 and as a result of its higher peripheral speed compared to the accelerator 17 accelerated again, so that the distance to each upstream following article is further enlarged, which is indicated by the gap 31 according to Figure 1 is illustrated. The articles accelerated twice in this way 9 reach the guide channel 12 and slide on it into the troughs 14 of the Push-in drum 13, where they are deposited alternately in two rows arranged transversely axially and be promoted. The pushing drum 13 can be pneumatically operated Be a drum in which the articles are held and positioned in the troughs by suction air will.

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Claims (4)

Stw.:KDF-Einschlagtrommel-Double accelerator-W claims 1. Device for the transfer of conveyed longitudinally axially one behind the other on a longitudinal conveyor rod-shaped articles of the tobacco processing industry on one of the articles transversely axially further conveying cross conveyor, with an accelerator for accelerated Separation of individual articles from the longitudinally axial article series or for accelerated pushing of the separated articles into the cross conveyor, characterized in that the acceleration means (11) from in the longitudinal axis Conveying direction successive, the article (9) with a component in the longitudinal direction acting on, driven in rotation at different circumferential speeds Accelerators (17, 18) consists. 2. Apparatus according to claim 1, characterized in that two one behind the other Accelerators (17, 18) are provided, of which the article (9) last applied second accelerator (t8) has a higher peripheral speed than that of the Article first loading first accelerator (17). 3. Vorrichtu-ng according to claim 1 and / or 2, characterized in that that the article (9) acting on the effective peripheral portion (19 or 21) of the second accelerator (18) has a greater distance from the axis of rotation (27) than the effective circumferential section (22 or 23) of the first accelerator (17). 4. Device according to one or more of claims 1 to 3, characterized characterized in that the cross conveyor is provided as a push-in drum with circumferential troughs (14) (13) is formed.