DE7725616U - Device for packing music cassettes and inserts in folding boxes - Google Patents

Description

Λ N VVA LTSSOZI ETAT

Bochmcrl & Uoclimcrt, Postfach 10 71 27, D-2800 Bremen

To the

German Patent Office Zweibrückenstrasse

b'OOO Munich 2

PATENT ADVOCATE DR. ING. KAUL HOEIIMERT (1933-1973) PATENT Attorney Dl PL-ING. ALBERT HOEHM ER Γ, ti REM IiN PATENTANWALT DR-ING WALTER HOORMANN, BREMEN PATENTANWALT DIPL.-PI IYS. DR. HEINZ GODDAR ₁ BREMIiN PATENT Attorney DIPL-ING. EDMUND K EITNER, MUNICH

LAWYER WILHELM J. 11. STAIILBERG, BREMEN

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New registration

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286

Bremen,
Feldslrasse 24

August 17, 197 7

Heino Ilsemann, C-, 2800 Bremen 4 4

Dedication of packing music cassettes and supplements in collapsible boxes

The invention relates to a device for packaging Music cassettes and inserts in folding boxes, with devices for feeding the boxes, for opening the boxes, for feeding and pushing out the cassettes and inserts into the opened boxes and for closing and pushing out the filled boxes.

Such known devices are used to store music cassettes and associated enclosures, in particular made of cardboard or paper, to be packed in collapsible boxes, especially made of plastic.

In a known device of the type mentioned, this is done, for example, in that the boxes

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Bremen office

P.O. Box 10 71 27, Feldstrasse 24 D-2800 Bremen 1

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Kar.'zil Bremen Bremer Bank, Bremen (BLZ 29080010) 1001449

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Munich office
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Telephone: (089) 652321

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BOEHMERT & BPEHMERl .. ··. ···: ·>:

a linear chain at the various stationary processing stations to be led by. Every time with this device one of the at the same distance On the chain attached holding devices for the boxes one of the again arranged at the same distance in front of the chain When the processing stations are reached, the chain stops, and the respective work process, such as inserting the boxes into the holding device, opening the boxes, inserting the inserts, inserting the cassettes, closing the filled boxes and dispensing of the boxes is carried out.

A disadvantage of this known device of the type mentioned in addition to the extraordinary, due to the linear one Transporting the boxes, the space required by the device is determined by the large number of stationary work equipment conditional low cycle rate of the device.

The present invention is therefore based on the object of avoiding the disadvantages of the known device and in particular to create a device of the type mentioned, which is reliable and fast with a high cycle rate works and is cheaper to manufacture than the known devices with little space requirement.

The object is achieved according to the invention by a device for Packing music cassettes and inserts in folding boxes solved, which is characterized by a surrounding Rotating head with holding devices for holding, opening and closing the boxes.

The features provided according to the invention are used to achieve not only a reduction in space requirements, since no longer as with the previous devices in addition to the

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Number of stationary stations corresponding holding devices also the holding devices for the circulating and returning Must be part of the transport chain, but rather the number of holding devices for the Boxes corresponds to the number of stationary processing stations and also the total number of stationary processing stations is reduced by opening and closing the boxes while they are being transported from one is carried out to the next station, whereas the previously known devices are specifically stationary for this purpose Stations are provided. In particular, the manufacturing price compared to the previously known devices pressed down to about 2/3.

According to a preferred embodiment of the present invention it is provided that the slope over a partial angle range of the worm is zero degrees, over this area the drive shaft of the rotary head, which is provided with a worm wheel stands still and the boxes are at assigned stations; and that during a rotation over the remaining angular range the worm the gear switches the rotary head from one station to the next and in particular that the die Idler activity of the index drive acting angular range with the slope on the worm 210 ° and the rotating head of one station to the next switching area is 150. Due to the selected ratio of the rest angle range and the advancement angle range of the screw, with a high With a cycle rate of up to more than 75 cycles / minute, an optimally smooth running of the machine can be achieved.

Another preferred embodiment of the invention is characterized are characterized in that a committee push-out station is provided, and in particular that the committee push-out station

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is arranged between the insertion device for the cassettes and the supplements and the normal push-out station. Through the special pushing out of boxes that have been placed upside down or that cannot be jammed let open, a continuous passage through the device is achieved, which is especially when chained with other machines, such as machines for packing boxes for shipping, etc. Without this Feature would have to stop the device each time with such disturbances and the disturbance or the upside down one Box can be eliminated by hand.

Other preferred embodiments of the present invention provide that the fixation of the box on the rotating head in two Baking takes place and that one of the jaws is fixed while the other is spring loaded. This creates tolerances balanced in the dimensions of the boxes.

Another embodiment of the invention stands out characterized in that the flap is provided with a cam which presses the lid of the box shut when the flap is pivoted up. This may result in cartridges protruding from the box due to the provision of excessively stiff cardboard inserts pushed back into the box, whereby the closing of the box is guaranteed in any case.

According to further preferred embodiments of the present invention it is provided that between the box on the one side and inserts and cassettes on the other side a slide-in mouthpiece is arranged and that the The slide-in mouthpiece has a rotatably mounted spring plate on its upper side. Can through the mouthpiece Put the cassette with the supplement in the box in the

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Holding device are inserted, the rotatably mounted spring plate prevents the cassette from hitting the short edge of the cover when it is inserted. Another embodiment of the invention further provides that the flap of the holding device has at its end a rotatably mounted spring construction which can be pivoted over the front edge of the lid of the box. This prevents that the cassette / stJßt upon insertion against ai i lauye lower lid edge.

Further features and advantages of the invention emerge from the claims and from the following description. in the exemplary embodiments are explained in detail with reference to the drawing. Dibei shows:

Fig. 1 partially sectioned the rotary head according to the invention and the cam disk according to the invention as well as withdrawn feed and continuation devices;

Fig. 2 shows a part of the transmission for driving the

Turret with the pitchless portion of the screw;

3 shows the holding jaws for the box; and

4 shows, in section, the insert feed and the cassette and insert insert.

The central part of the device according to the invention for A rotary head 1 is used to pack music cassettes and supplements in folding boxes. In the illustrated embodiment Four holding devices 3 for the boxes 5 are arranged on the rotary head 1. The rotary head 1 is rotatably mounted and is Driven by a stepping gear. The gear works like a worm gear, and so does the rotary head is rigidly connected to the worm wheel 7 with a

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suffered fill

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9 variable pitch worm cooperates. About a Angular range of, for example, 210 °, the pitch of the worm 9 is zero, so that the drive shaft of the rotary head 1 stands still as long as the worm wheel 7 cooperates with this part of the worm 9. During this time are the holding devices 3 assigned to the associated workstations, so that the corresponding functions at the same time (which are described in detail below) are carried out over a range of 150 ° of the screw 9 the rotary head 1 is driven so that the transmission switches the holding devices from one station to the next, whereby in the present embodiment a rotation of the Rotary head is effected by 90 °. The total revolution of the worm corresponds to one revolution of the main shaft while which one work cycle of the machine is carried out.

The box 5 is fixed in the holding devices 3 by means of two jaws 11, 13 (see FIG. 3). The jaw 11 of the The holding device 3 is firmly connected to the holding device 3, possibly integrally, whereas the jaw 13 is arranged elastically slidable in the direction of the fixed jaw 11 by means of springs 15. This compensates for dimensional tolerances in the boxes. The jaws 11, 13 have two at an angle of about 90 to each other and each at an angle of about 4 5 to the side surfaces the box standing sections 17, 19, so that the contact of the sections 17, 19 with the box 5 is only linear takes place on four edges 21, 23 of the box 5. This ensures above all that on the narrow sides of the boxes no scratches occur. The spring tension of the spring 15 i§_t set up to hold the box 5 straight. At the insertion opening of the boxes 5 between the jaws 11, 13 of the holding device 3, the jaws 11, 13 are provided with inlet radii (not shown) large enough for the boxes 5 to be reliable and can be inserted without jamming.

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The holding devices 3 for the boxes 5 are each with a flap 25 is provided, which is pivotable in the alignment of the pivot points 27 around which the lid 29 of the box 5 is opened is stored in 31.

The folding movement, especially opening and closing the flap 2 5 is mechanically via a control cam, which are fixed in a non-rotatable manner above the rotary head 1 Cam 35 is generated. The control cam 33 is designed as a pot cam of the cam 35, so that the tax movement is forcibly done. The transfer of the control movement from the control cam 33 to the The flap 25 takes place via a cam roller 37 running in the control cam 33, a cam lever 39 and a pull rod 41.

The control cam could be in another embodiment also be designed as a shoulder in the cam 3 5, in which case the cam roller is elastic against the shoulder of the Control curve would be drawn.

The flap 25 carries three vacuum suction cups 43, which is applied to the lid 29 of a box inserted into the holding device 3 before the flap 25 is opened and when the flap 25 is opened, the lid 29 of the box 5 is pulled open by the negative pressure.

On the right holding device in Fig. 1, a spring-loaded pawl 45 can be seen through which when closing cassettes 47 protruding from the lid 29 of the box 5, which e.g. pushed out, pushed back into the box. This ensures that the box 5 is closed.

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The boxes 5 are attached to the holding devices 3 of the rotary head 1 Conveyor belt 49 supplied. You stand on the narrow side 51 of their cover 29, the opening direction of the cover 29 is directed against the direction of transport (see Fig. 1). The conveyor belt is advantageous 49 provided with a smooth cover of nylon film to avoid scratches in the boxes. The belt speed can be advantageously via a direct current drive regulate with thyristor control, so that hereby the feed speed of the boxes 5 exactly to the set number of cycles of the rotary head 1 can be matched. In this way, when reducing the number of cycles of the rotary head unnecessary slippage between conveyor belt 49 and box 5 due to excessive conveyor belt speed avoided.

Since for the safe insertion of the boxes 5 by means of a slide 53 in the holding devices 3, a certain dynamic pressure on the If the box to be pushed in is necessary, a congestion monitor (not shown) is provided. This interrupts the insertion process if a certain number of boxes 5 is not reached before insertion, so that the rotary head 1 continues to run empty.

The cassettes 47 are also fed to the rotary head on a conveyor belt 55. You lie with the hinge side directed towards the rotary head 1. The cassette 47 to be inserted is caused by the jam on the conveyor belt pushed onto an intermediate plate 57. From the intermediate plate 57 by means of a slide (not shown) the transverse insertion of the cassette 48 into the lid 29, which lies flat towards the cassette 47, of the open in the holding device 3 located box 5. The jam necessary for the after-run of the cassettes 47 is activated by a switch (not shown) monitored.

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A feed device for with the cassettes 47 in the Boxes 5, enclosures 59 to be introduced and the means for inserting the cassettes 47 and 59 are detailed . Shown in Fig. 4.

Above the insertion device 61 for the cassettes and the supplements 49 is a stacking tower 63 for the supplements 53 · arranged. The angle pieces 65 sum hold the inserts 59 are adjustable to compensate for size tolerances of the enclosures. Located below the stacking tower a double pivotable suction arm 67, which is equipped with suction cups 69, which when applied to the lowermost Enclosure 59 in stacking tower 63, after applying a vacuum, suck in the lowermost enclosure 59 and during the pivoting movement of the suction arm 67 from the stacking tower 63.

The two joints 71 and 73 of the suction arm 67 are used by a double movement of the suction arm 67, the attachment perpendicularly above the slot between the intermediate plate 57 for the cassette 47 and box 5 between two opposite directions Bring rotating rollers 75 and 77, both of which are driven and their direction of movement for transporting the Enclosures 59 is directed downwards. The roller 77 is covered with plastic. At the time of swiveling in the attachment 59 by means of the suction arm 67, the roller 77 is pivoted slightly from the roller 75 to the side, so that between the rollers 75 and 77 a wider gap is created. When the roller 77 is pivoted against the roller 75 and at the same time The vacuum between the rollers 75 and 77 is switched off in the suction cups 69 of the suction arm 67 Attachment 59 is gripped and placed in a height-adjustable collecting basket 7 9 located below the rollers transported, the collecting basket 74 being adjusted in particular from the outside without removing a safety protective cover can be.

BOEHMERT & BDEHMERT.

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A photo line arrangement 81 is provided on the collecting basket 79, by means of which it is checked whether an enclosure 59 has been removed has been and is in the collecting basket 59 or not.

In Fig. 4, a slide-in mouthpiece 83 is pivoted in front of the opened lid 29 of the box, through which the Cassette 47 is pushed into the lid 29 of the box 5 together with the insert 59. At the top it carries Mouthpiece 81 directed towards the box 5 a rotatably mounted spring steel sheet 85, which prevents the cassette 47 when Insert against the short edge 87 of the lid 29 of the box 5 is pushed. At the top or front end of the flap 2 5 of the rotary head 1 is a rotatably mounted similar spring construction 91 (in Fig. 1 for clarity omitted for sake), which prevents the cassette 47 from being pushed against the front edge 93 of the cover 29. The slide-in mouthpiece 83 is pivotably mounted and, before the rotating head 1 continues to rotate, by means of a Cam (not shown) swung up.

A committee push-out station 94 is provided as the third functional station, in which boxes 5 are pushed out, which were introduced upside down in the holding devices 3 of the rotary head 1 or due to jamming Do not let them open in the holding devices 3. These boxes are pushed out by a slide. the Transport away is carried out similarly to that of the filled boxes at the normal push-out station 94, so that here on the transport of the boxes 5 ejected at the rejects ejection station 94 is not discussed any further.

At the normal push-out station 95, the filled box is released from the jaws 11, 13 of the holding devices 3 of the rotating head

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pushed out. Below that in the normal extension station 95 located holding device 3 is a curved slide 97 is attached via which the ejected boxes 5 on a Slip double outlet belt 99, which is perpendicular to the conveyor belt 49 of the box inlet. The double discharge belt 99 consists made of two round belts that are driven by their own drive. |

The device according to the invention for packaging music cassettes and side dishes in collapsible boxes now works as follows:

The empty boxes 5 are transferred to the rotating head via the conveyor belt 49 1 supplied. The foremost box 5 is opened from below by a slide 53 between the jaws 11, 13 of the holding device 3 inserted. Then the rotary head 1 begins to turn calibrated by the worm 9 of the gearbox with its increasing 150 ° peripheral part on the worm wheel 7 attacks. The flap 25 of the holding device 3, which was slightly open when the box 5 was inserted, becomes complete closed so that the suckers 43 of the flap 25 come to rest on the lid 29 of the box 5; at the same time the Sucker 43 applied with a vacuum. Tightening the flap 25 with the suckers 43 against the cover 29 of the box 5 is done in that the control cam 33 of the cam 35 on this point is circumferentially directed slightly inward, so that the cam roller 37 in the cam 33 circumferentially runs inwards and pulls the pull rod 41 connected to the flap 25 via the cam lever 3 9.

In the following sequence of movements, the flap 25 is fully opened by 90 by the cam roller 37 now in one Part of the control cam 33 runs circumferentially outward

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is directed. As a result of the vacuum applied to the suction cups 43, the cover 29 is simultaneously opened when the flap 25 is opened the box 5 opened. In the case of the insertion device 61, the flap 25 and thus the cover 29 are completely open.

At the same time the suction cups 69 of the suction arm 67 pivoted upwards are subjected to a vacuum. Due to the double swivel movement of the suction arm 67, a supplement 59 is pulled out of the stacking tower 63 of the supplements 59 and vertically brought between the rollers 75 and 77, which after pivoting the roller 77, the supplement 59 in the collecting basket 7 9 promote. Furthermore, the mouthpiece 83 is pivoted in front of the opened cover 29.

Then * .v is used if the presence of a Enclosure 59 through the photocell arrangement 81 by means of the slide 101 the cassette lying on the intermediate plate 57 47 against the enclosure 59 and with this by folding the same through the mouthpiece 83 in the lid 29 of the box 5 pushed. If the photocell arrangement 81 determines that there is no supplement in the collecting basket 79, the Slide 101 not actuated. In the following cycle, after the box 5 has been closed, it is at the following committee push-out station ejected.

The filled lid is now placed vertically again and the box 5 is closed by pulling the cam roller 37 in the control cam 33 circumferentially within the cam 35 runs inward and thus the flap over the Cam lever 39 and the pull rod 41 closes. The cover 29 is thereby opened by means of a cam (not shown) pressed completely against the bottom part of the box 5. A possibly from the lid 29 of the box 5 due to reset

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Effects of rigid enclosures 59 protruding cassette 47 is inserted into the lid 29 of the box 5 by the pawl 45 pressed in so that the box 5 can be securely closed.

Is there a properly filled box in the holding device? at the reject push-out station 94, this is not actuated, and in the next working cycle the holding device provided with the properly filled box 5 3 brought to the normal extension station 95. Here the box 5 is removed by means of a slide (not shown) the holding device 3 is pushed down and slides over the slide 97 onto the double discharge belt 99, which carries the Box transported on to further processing stations, possibly to a packaging point.

Of course, in another embodiment the boxes 5 are pushed from the jaws 11, 13 of the rotary head 1 via a slide 97 onto a discharge belt, which stands lengthways to the box inlet, and the boxes 5 continue to transport in the longitudinal direction. The transport takes place here preferably by a flat belt with its own drive.

In a further embodiment, stacking can take place, by omitting the slide 97 and the boxes 5 from the holding device 3 of the rotary head 1 pressed a plate and then through the side Brushes can be pushed out onto a push-off table.

In connection with this stacking, an entire stack of 10, depending on the desired number, can be pushed off.

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or a different number of boxes can be pushed across using a pneumatic cylinder.

The features of the invention disclosed in the above description, in the drawing and in the claims can be used both individually and in any combination for the implementation of the invention in its various Embodiments are essential.

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BSZUGoZSICHENLIoTE (LIST OF RSFEREKCE NUHSRALo)

1 Turret 1 ?, 2 3 Holding devices 4th 4th 5 Boxing 5 6th 6th 7th Worm gear 7th 8th 8th 9 slug 9 10 10 11th jaw 11th J.2 12th J ^ jaw 13th 14th 14th ? 5 feather 15th } 6 16 ? 7 Section (of 11) 17th J ³ 18th J? Section (of 13) 19th fo 20th 21 Edge (of 5) 21 22nd 22nd 25th Edge (of 5) 23 24 24 2S Class ppe -25 2ft 26th 27 Pivot points (out of 5, 29) 27 28 28 29 Lid (of 5) 29 30th 30th

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51 Warehouses (of 25) 31 52 52 ? 5 Control curve 55 y, 54 35 Cam 55 56 36 37 Cam roller 57 33 38 39 Cam lever 39 40 40 41 pull bar 41 4? 4? 45 Mammal 45 44 44 ^ 5 pawl 45 46 46 47 cassette 47 48 49 Conveyor belt 40 50 50 51 Narrow side (of 29) 51 52 5? Slider 55 54 54 55 Conveyor belt 55 56 56 57 Intermediate plate 57 5o 53 59 garnish 59 60 60 61 Slide-in device (for 47, 59) 6 " 62 65 Stacking tower (for 59) 65 64 64 65 Elbow 65

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OD 66 67 Sauqarm 67 68 68 '69 Sauqer 69 70 70 71 joint 71 72 73 joint 75 T 74 75 roller 75 76 76 77 roller 77 73 78 79 fan basket 79 80 80 31 Photocell Arrangement 81 Q? 82 85 slide-in mouthpiece 83 84 85 spring plate °> ^Γ ? 36 36 67 edge (of 29) 87 38 : 88 89 end (of 25) 89 90 90 91 Spring construction fan RQ \ 91 92 92 93 Vorriprlrarii-p 93 94 Committee push-out station 94 95 Standard extension station 95 96 96 97 slide 97 98 9 b 99 double discharge belt 99 100 100

101 slide 101

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Claims (27)

Expectations 1. Device for packing music cassettes and supplements in folding boxes, with devices for feeding the boxes, opening the boxes, feeding and slicing χη · Λ pushing out the cassettes and supplements into the opened boxes and for closing and pushing out the filled boxes by a rotating rotating head (1) with holding devices (3) for holding, opening and closing the boxes (5). 2. Apparatus according to claim 1, characterized by a gear (7, 9) with a variable pitch for selective drive the rotary movement of the rotary head (1). 3. Apparatus according to claim 2, characterized in that the gear for selectively driving the rotary movement of the rotary head (1) is a worm gear (7, 9). 4. Apparatus according to claim 3, characterized in that the pitch of the screw (9) over a partial angle range 7725616 12/29/77 BOEHMERT & BOßHMEttT! Is zero degrees. 5. Apparatus according to claim 4, characterized in that the idler activity of the index drive acting W.winkelbereich with the pitch of the screw (9) 210 and the one that switches the rotary head (1) from one station to the next Range is 150 °. 6. Device according to one of the preceding claims, characterized characterized in that a cam (3 5) with a control cam (33) for controlling the functional movement of the holding device (3) is provided. 7. Device according to one of the preceding claims, characterized in that a committee push-out station (94) is provided is. 8. Apparatus according to claim 7, characterized in that the committee push-out station (94) between the shooting device (61) for the cassettes (47) and the supplements (59) and the normal push-out station (95) is arranged. ?. Device according to one of the preceding claims, characterized in that the fixation of the box (5) on Rotary head (1) takes place in two jaws (11, 13). 10. The device according to claim 9, characterized in that one (11) of the jaws (11, 13) is fixed, while the other (13) is spring-loaded. 11 ·, device according to claim 10, characterized in, that the pressure springs (15) are designed so that the surface pressure the boxes (5) are kept to a minimum. 7725616 12/29/77 BOEHMERT & BOEHMERT: 12. Device according to one of claims 9 to 11, characterized in that the jaws (11, 13) for fixing the Boxes (5) on the rotary knob (1) have beveled sections (17, 19) which are attached to the corner edges (21, 23) of the boxes (5) attack in such a way that the contact takes place linearly on the edges (21, 23), which scratches the pages is avoided. 13. Device according to one of claims 9 to 12, characterized characterized in that the jaws (11, 13) in the inlet direction the boxes (5) is provided with large inlet radii. 14. Device according to one of claims 9 to 13, characterized in that the jaws (11, 33) are chrome-plated. 15. Device according to one of claims 12 to 13 _t, characterized in that the jaws (11, 13) on the beveled portions (17, 19) which touch the box (5) are polished. 16. Device according to one of the preceding claims, characterized in that in the alignment of the pivot points around which the lid (29) of the box (5) is opened on the Holding device (3) for the boxes (5) is pivotably mounted on a flap (25) provided with a vacuum suction device (43) is. 17. The device according to claim 16 and one of claims ⁽ to 15, characterized in that to control the movement of the flap (25) by the control cam (33) of the cam (3 5) a cam roller (37) in the control cam (33) the cam disc (35) is continuously introduced, which is controlled by a cam lever (39) on the flap (25) 7725616 29.1Z77 BOEHMERT • ι · · · t t t attached tie rod (41) is connected 18. The device according to claim 17, characterized in that that the control cam (33) is stationary and the cam lever (39) and pull rod (41) rotate. 19. Device according to one or more of claims 6 and 17 and 18, characterized in that the control cam (33) of the cam disc (35) is designed as a pot cam. 20. Device according to one of claims 6 and 16 to 19, characterized in that the control disc (35) has a one-sided control shoulder against which the cam lever (39) is pressed with a spring. 21. Device according to one of claims 16 to 20, characterized in that the flap (25) is provided with a cam is that when swiveling up the flap (25) presses the lid (29) of the box (5). 22. Device according to one of the preceding claims, characterized in that a spring-loaded pawl (45) is attached above the box (5) when the lid with the cassettes (47) and enclosures (59) is closed (29) of the box (5) presses the cassette (47) down. 23. Device according to one of the preceding claims, characterized in that the opening and closing of the Boxes (5) by applying a vacuum while rotating the Turret (1) takes place. 24. Device according to one of the preceding claims, 7725816 29.1177 BOEHMERT & BCTEHMERi: · ' that to transfer the enclosures (59) from one all-round adjustable stacking tower (63) a double pivot mounted suction arm provided with suction devices (69) (67) / two transport rollers (75, 77), one of which is pivotable is stored, and an adjustable collecting basket (7 9) for receiving the supplements (59) are provided. 25. Device according to one of the preceding claims, characterized in that between the box (5) on the one hand Side and supplements (59) and cassettes (57) on the other side of a slide-in mouthpiece (83) is arranged. 26. The device according to claim 25, characterized in that the slide-in mouthpiece (83) on its upper side has rotatably mounted spring plate (85). 27. Device according to one of claims 16 to 26, characterized characterized in that the flap (25) of the holding device (3) at its end (89) has a rotatably mounted spring structure (91) which extends over the front edge (93) of the Lid (2SJ of the box (5) is pivotable. 7725616 12/29/77