US2061880A - Apparatus for applying the wrapper to the end of a cigar filler - Google Patents

Description

Nov. 24, 1936.v K. F. ROBER 2,051,380

APPARATUS FQR APPLYING THE WRAPPER TO THE END OF A CIGAR FILLER Filed May 23, 1954 3 Sheets-Sheet 1 K. F. ROBER 2,061,880 APPARATUS FOR 'APPLYING THE WRAPPER TO THE END OF A CIGAR 'FI LLER Nqv. 24, 1936.

Filed May 25, 1954 s Sheets-Sheet 2 Keri/5'" Nov. 24, 1936. K'. F. Ro'BE APPARATUS FOR APPLYING THE WRAPPER TO THE END OF A CIGAR FILLER Filed May 23, 1934 3 Sheets-Sheet 5 74 In yen/bk A. F R'Zcr 45PM Patented Nov. 24, 1936 APPARATUS FOR APPLYING THE WRAPPER TO THE END OF A CIGAR FILLER Konstantin Friedrich Itiiber, Dresden, Germany,

assignor to Universelle Cigarettenmaschinen-Fabrik J. C. Miiller & 00., Dresden, Germany 16 Claims, (01. l3139) This invention relates to an apparatus for applying the wrapper to the end of a cigar filler which is in the wrapping roller nest.

In cigar machines the wrapper is wound around the end of the cigar filler while it is in the wrapping roller nest and one end of the properly cut wrapper is first introduced into the roller nest in such a manner that it engages the corresponding end of the filler.

It is an object of the invention to remove the difiiculties which are inherent with the insertion of the wrapper end into the roller nest.

Various methods have been proposed to remove the dilficulties mentioned. However, in

such methods means have not been provided for securing an accurate application of the wrapper to the filler end and in some cases a thickened point has been secured of the wrapper at the filler end. i

In other cases the wrapper has not been applied accurately or has become entirely detached from the carrier, which would cause the entire apparatus to become inoperative.

It is a further object of the present invention to secure an accurate and dependable placement of the wrapper upon the filler, especially at the end thereof.

A further object of the present invention is to provide a controlled presser in the form of a surface having substantially the width of the tobacco leaf and this surface is to engage the end of the leaf held by the suction head or the like of the wrapper carrier. The presser is designed to enter within a guide which surrounds the filler end upon all sides and presses the leaf end against the filler end. The presser surface is therefore preferably constructed in the form of a sector which is shaped to correspond with the shape of the filler end.

According to the present invention, means are not, as according to previous machines, applied to the wrapper end at a distance from the edge, but upon the contrary a considerable portion of the end surface of the wrapper is engaged by the correspondingly shaped surface of the presser and then moved toward the filler end, where the wrapper is pressed against the filler end profile by presser surfaces which are shaped coresponding to the filler end.

It is an object of the invention to prevent by the means mentioned any folding over of the extreme end of the wrapper and also to ensure the engagement of the end of the wrap-per even if the wrapper is not quite accurately retained 55 by its carrier support. The presser does not rotate with the turning of the filler, but remains stationary so that the filler will move under the presser while the filler is turning, thereby enhancing the close adherence of the wrapper end to the filler.

It is a further object of the invention to construct the wrapping nest in a suitable manner at this point and preferably the filler end is surrounded by a yieldable guide upon all sides of suitable construction so that upon the rotation of the filler the end of the wrapper which has been pressed against the same is continued to be retained in such pressed condition against the filler.

A further object of the invention is to give to the presser members a high degree of conformability by constructing such members of individual yieldable elastic leaves. This particular type of construction is preferred when the guide which encloses the filler end comprises a series of mutually spaced and regulated pairs of laminae. In such case the presser members are provided with laminae which are formed complementary to those of the guide and which are preferably arranged upon a common and controlled carrier which can be disposed in the spaces between the pairs of guide laminae.

It is a further object of the invention to provide means for properly arranging the filler in the wrapping roller nest before the application of the wrapper end is made to the filler end. In order to secure this result the apparatus is preferably provided with a controlled aligner or straightener which operates along the longitudinal axis of the filler. In order to aid the operation of the aligner or straightener, means are provided for inserting the filler into the Wrapping roller nest so that the filler is disposed in front of the adjacent side of the straightener.

A further object of the present invention is to provide means connecting the aligner or straightener with the presser in such manner that when the wrapper end is moved toward the filler, then the filler is simultaneously correctly aligned and arranged. This tends to eliminate any possibility of failure due to lack of coincidence such as would occur if the straightener is a little tardy in its operation, which would cause the end of the wrapper to be applied to the wrong place upon the filler end. i

A further object of the invention is to preferably arrange the straightener so as to move along the longitudinal axis of the filler and also to be under the influence of a spring tending to urge the straightener away from the filler. A preferable construction is to have the presser member connected to cam means which upon the forward movement of the presser toward the filler, will engage the straightener and then upon the downward movement of the presser toward the wrapping roller nest, said cam means will actuate the straightener into its aligning position for the fiiler. Thereafter upon withdrawal of the cam means the straightener will be withdrawn under the action of the spring associated therewith.

With the above and other objects in view which will become apparent as the description proceeds, the invention resides in the combination and arrangement of elements set forth specifically below, claimed in the claims and shown in the drawings, in which Figure l is a front elevation of a preferred form of' the invention with parts of the upper bunching rollers and the driving connections therefore omitted for greater clarity,

Figure 2 is a vertical cross section on section line 2-2 of Fig. 1,

Figure 3 is an end view looking from the right of Fig. 1,

Figures l and 5 are detail views particularly showing the construction in the neighborhood of the roller nest upon an enlarged scale,

Figure 6 is a partial elevational view of a portion of the apparatus of Figure l, and

Figures and 8 show the presser in front and side elevation respectively.

Referring to the drawings, the wrapping roller nest wherein the filler is disposed during the winding of the wrapper, comprises the two lower rollers i and the two upper rollers 2. The roller nest is provided with a pair of jaws which consist of individual pairs of laminae 3, which are drawn and urged together by means of springs 5, and the laminae are formed to correspond to the end of the cigar which is to be lighted. The laminaelike jaws 3 are pivoted on the pivot 4. The individual jaws of the laminae are provided with branches 3 preferably of the form shown in Figures 4.- and 5. Upon the branches 3 are provided the extensions 3 which are in turn engaged by the springs 5 secured at one of their ends to rod for drawing the lower arms 3' together, thereby moving the jaws 3 into the closed position as shown in Figure 4. In such position the individual laminae constituting the jaws are enabled to adjust themselves to the particular shape of the cigar.

The intermediate arms 3 are so constructed as to be influenced and controlled by the control rod *3 which in turn is mounted upon the double arm lever i. The latter is pivoted at 3 to the machine frame and one arm of the lever has secured thereto the spring E which is also secured to the machine frame G at 9. A roller is is mounted upon the lever l', which due to the action of the spring 9, is maintained in contact with the cam d sk l2 mounted upon drive shaft ll. Figure 3 shows the manner in which the lever is controlled by the cam 52 so as to move the rod 5 downwardly and thereby move the laminae E into open position.

In the present embodiment, since the guide for the filler end comprises individual laminae, the esser member which removes the wrapper end om tie suction head is formed of a plurality of iaminae it, as shown more particularly in Figure 7, which engage between the laminae 3 of the guide. The laminae iii are connected by a web 93' and the laminae are so shaped that they may uniformly seat or fit upon the conical end of the filler. The connecting piece it of the laminae i3 is in turn secured to a rod i l which is mounted upon pusher member iii. The upper end of the pusher member is is slotted in the manner shown in Figure 2 so that the rod l lmay be longitudinally adjusted in the pusher member and can be retained in adjusted position by the clamp screw it. A member ill is connected to the pusher member l5 and the forked end H of member H is engaged by the pin it carried by the double armed lever 59 which is pivotally mounted upon the pin it provided upon the machine frame G.

The free end of the lever I9 is engaged by the link 2! which has connected thereto the spring 22, The other end of the lever 99 is connected to the double armed lever 23 journalled at 2 upon the machine frame. The lever 2-3 carries roller E i which coacts with cam disk 25 mounted upon drive shaft H.

A slide slides upon the rods 2?. The memi? is slidingly mounted in the slide 25. A movement of the slide 253 on the rods 2? will cause a horizontal movement of the rod 6 4 carried by the pusher member l5. Horizontal movements of the slide 25 are secured by the following construction. The slide 26 has thereon a pin 2% which engages in the forked end 25 of the lever which is pivotally mounted at to a fixed member. The lever 28 carries a roller 36 which travels the cam track 35 of the cam 36. The

is mounted upon the driveshaft i i.

The construction of the aligning or straightening finger and the operation thereof will now be described.

The finger 32 has the function of straightening out or longitudinally adjusting the filler W, which is inserted in the roller nest before the wrapper is applied. This finger 32 is secured to the rod 34 by means of a holder 33 and the rod 3 is mounted in a bearing block 35 non-rotatabiy but longitudinally movable therein. The rod 34 has provided at its free end a head 34 against which spring 35 bears. The other end of the spring acts against bearing block 35. The spring 35 normaliy urges the rod 34 to the left, as shown in Figure 1, so that the stop 34" which is fixed upon the rod 34 will bear against the bearing block and thereby hold the arranging finger 32 withdrawn in the position shown in Figure 1.

A cam member 3'! is adjustably mounted upon the rod M and is retained in adjusted position by means of the clamp screw 37'.

In order that the presser laminae 3 may be accurately arranged relative to the roller nest, the pin '3 of these laminae 3 is carried on a bearing arm 38. The lower end 38' of the bearing arm 38 is securely retained in the machine frame but is so mounted as to be capable of vertical adjustment. The foot 38 is engaged by an eccentric pin 3% forming part of a shaft 3% which in turn is rotatably journalled in the machine frame and is provided with a handle it. By turning the handle 48 and thereby the shaft 39, the carrier arm 38 may be moved vertically and thereby a fine adjustment of the laminae 3 of the roller nest may be secured.

The rollers l and 2 are also preferably driven from the drive shaft Ii. For this purpose small spur gears Q2 are secured upon the shafts 4 which are mounted in the bearing arm 4! and in the bearing blocks 35. The spur gears 42 engage with the spur gear 43. A gear Q5 which is mounted upon the same shaft as the gear 63 in turn engages gear 46 mounted upon the drive shaft ii.

The operation of the apparatus is as follows.

The finished cigar which has been produced in the roller nest is removed in the usual manner by first oscillating the upper rollers 2 away from each other so that the finished cigar may be removed and the new filler inserted which is to have the wrapper applied thereabout.

Of course simultaneously with the oscillation of the rollers 2 away from each other, the laminae 3 must also be oscillated away from each other and this is accomplished by moving the lever E into the position shown in Figure 3 so that the rod 6 may contact the branch arms 3' and thereby move the laminae 3 into open position. After the new filler has been inserted into the roller nest the rollers Z are drawn together again. The slide 26 is then moved to the right as shown in Figure 1 by means of the lever 28 until the presser laminae l3 reach the position shown in dotted lines in Figure 1. The presser laminae l3 are entered into a suitable cut-out portion 48 upon the suction head 41 which carries the wrapper D at its lower end.

Simultaneously with the moving of the laminae [3 from the position shown in full lines in Figure 1 into the position shown in dotted lines directly to the right of the full lines in Figure 1, the cam member 31 which is secured to the rod M is moved within the range of the rod head 34'. While the slide 26 remains stationary the pusher member i5 is moved vertically downwardly by the control cam 25 cooperating with the lever Hi, link 2i, lever 23 and the cam roller 24'. The laminae [3 will then move to the position shown in Figure 1 in dotted lines directly under the sec end position. However, during the vertical movement of the laminae IS the corresponding end D of the wrapper D has been moved down upon the filler, as shown particularly in the position indicated in Figure 4:.

During the time that the laminae l3 and the rod I4 are downwardly moved, the cam member 31 contacts the head 34', thereby causing the rod 34 to move to the right, as shown in Figure 6, against the action of the spring 36, so that the presser finger 32 will abut the filler end and move the filler into its predetermined position. As the rod M and the laminae [3 continue their movement to the lowest position, the rod head 34 is released by the upper inclined portion 31 upon the cam 31? so that under the influence of the spring 36 the presser finger is returned to its initial position and the cigar end is released.

By the pressing of the wrapper end D against the filler end by the presser, the wrapper which frictionally adheres to the filler is entrained and is wound around the filler end. The laminaelike jaws 3 which enclose the filler end assure the correct retention of the wrapper relative to the filler end. Since the laminae l3 and 3 are in interengagement, any projections against which the wrapper ends may be thrust are avoided, so that the wrapper is applied at all times smoothly to the filler end.

Figure 4 clearly shows how the wrapper end is folded to an appreciable extent around the filler. It is obvious that as the wrapper is fed into the roller nest there must be a corresponding movement upon'the part of the suction head.

As soon as the filler has turned or rotated to such an extent that the wrapper has been smoothly introduced adjacent laminae 3, the rod I4 which carries the laminae I3 is again withdrawn into the position shown in Figure l in full lines. After the wrapper has been completely wrapped around the filler adjacent the laminae-like jaws 3, these laminae 3 are separated in the manner clearly shown in Figure 5 so that the end of the filler is free of the jaws 3 until the wrapping of the wrapper around the filler is completed.

When the wrapper D has been completely wound around the filler the roller nest is again opened, whereupon the procedure is repeated. Preferably the connecting web I3 for the laminae I3 is made elastic so that the individual laminae may adjust themselves to the shape of the filler end so that all laminae may assume their positions simultaneously.

The above is the preferred embodiment but it is understood that various modifications and changes may be made and all such modifications and changes are claimed in and are within the scope of the following claims.

I claim:-

1. An apparatus for applying wrappers to fillers comprising means for rotating a filler and a movable finger cooperating with said means for directing and applying a wrapper to said filler, said finger being shaped to correspond with a portion of the contour of said filler.

2. An apparatus for applying wrappers to fillers comprising means for rotating a filler and a non-rotatory resilient movable finger cooperating with said means for applying a wrapper end directly to said filler.

3. An apparatus for applying wrappers to fillers comprising means for rotating a filler, guide means cooperating with said filler and movable wrapper applying means cooperating with said guide means for applying the wrapper at the burning end.

4. An apparatus for applying wrappers to fillers comprising means for rotating a filler, pivoted guide means cooperating with said rotating means and a movable resilient finger cooperating with said guide means for applying a wrapper to said filler.

5. An apparatus for applying wrappers to fillers comprising means for rotating a filler, means for moving a wrapper for said filler to a point adjacent said rotating means, guide means cooperating with said filler while being rotated by said rotating means and movable wrapper applying means cooperating with said guide means for applying the wrapper to said filler at the burning end thereof.

6. An apparatus for applying wrappers to fillers comprising means for rotating a filler, lamellated guide means enclosing a portion of said filler and a wrapper applying member having portions interengaging between said lamellated guide for applying a wrapper to said filler.

7. An apparatus for applying wrappers to fillers comprising means for rotating a filler, a movable wrapper presser element for applying a wrapper to said filler having a surface of substantially the width of the tobacco leaf provided and means for operating said presser member so as to apply a wrapper to said filler at the burning end thereof.

8. An apparatus for applying wrappers to fillers comprising means for supporting a filler and a wrapper applying member having a series of individual yieldable lamellae cooperating with said supporting means for applying to said filler a wrapper.

9. An apparatus for applying wrappers to fillers comprising means for supporting a filler, lamellated guide means cooperating with said supporting means, means for transporting a wrapper and a lamellated applying member for said wrapper for removing said wrapper from said transporting means and applying the same to said filler.

10. An apparatus for applying wrappers to fillers comprising means for rotating a filler, lamellated guide means cooperating with said filler while in said rotating means, means normally urging said guide means into contact with said filler, means for withdrawing said guide means from said filler, a lamellated wrapper applying member interengaging said guide means and means for operating said applying member so as to apply a wrapper to said filler.

11. An apparatus for applying wrappers to fillers comprising means for rotating a cigar filler, means for transporting a Wrapper to a position adjacent said rotating means, a reciprocating wrapper applying member for removing said wrapper from said transporting means, means for vertically reciprocating said applying member so as to apply said Wrapper by said member to said filler and means for aligning said filler within said rotating means so as to place said filler in proper position for the application of said wrapper.

12. An apparatus for applying wrappers to fillers comprising a roller nest for supporting a filler, pneumatic means for moving a Wrapper to a position adjacent said roller nest, means for aligning the filler within said roller nest and wrapper applying means for removing a wrapper from said moving means and applying the same to said filler and operating said aligning means.

13. An apparatus for applying wrappers to fillers comprising a roller nest for supporting a filler, a lamellated guide member encircling said filler, means for aligning a filler within said roller nest, means for moving a wrapper to a position adjacent said roller nest, a lamellated applying finger for removing said Wrapper from said moving means and applying the same to said filler between the lamellations of said guide means and means for vertically and horizontally reciprocating said applying finger, said last named means also operating said aligning means.

14. An apparatus for applying wrappers to fillers comprising means for rotating a filler, pivoted levers encircling said filler and engaging said filler so as to guide the same and a wrapper applying element having lamellations thereon interengaging with said pivoted lever 50 as to apply a wrapper to said filler.

15. An apparatus for applying wrappers to fillers comprising means for rotating a filler, means cooperating with said rotating means for guiding said filler while within said rotating means, means for aligning said filler longitudinally within said rotating means and wrapper applying means controlling the operation of said aligning means for applying a wrapper to said filler.

16. An apparatus for applying wrappers to fillers comprising means for rotating a filler, wrapper applying means cooperating with said rotating means, lamellated guide members pivotally mounted adjacent said rotating means enclosing said filler, resilient means normally holding said guide means in contact with said filler and cam operated means for moving said guide means away from said filler.

KONSTANTIN FRIEDRICH RoBER.

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