CS210612B2 - Device for forming of groups of products - Google Patents

Abstract

Said apparatus comprises a single raising means (68) for forming single successive piles each consisting of a predetermined number n of articles and a pair of thrusting means (71, 75) moved in synchronism with each other at a frequency equivalent to 1/n of that of said single raising means (68). One of said thrusters (71) feeds successive single piles to a horizontal wheel (74) having a device (82) for discarding and replacing defective piles and the other (75) removes in sequence said piles from said horizontal wheel (74) and feeds them into a respectively adjacent position in single groups (79) to a channel (76) for feeding to the packing or box-filling machine. With this apparatus, therefore, it is possible to obtain groups of articles, each formed by a plurality of adjacent piles, all complete with the same number of articles and without the omission of any operating cycle. In particular, the apparatus is supplied with packets of cigarettes from a cellophane-wrapping machine, so as to obtain parallelepiped groups conveyed to the packing or box-filling machine. <IMAGE>

Description

BACKGROUND OF THE INVENTION The present invention relates to an apparatus for forming groups of articles, in particular cigarette packets, arriving at a cd of a packaging machine, the assembled groups being ready for packaging in boxes.

The apparatus consists of a rotatable packing ring for wrapping packages in cellophane wrappers, a pick-up and refill device for removing defective packages, a conveyor channel system and shifting means.

SUMMARY OF THE INVENTION The second outlet passage (83) intersects a vertically displaceable stack stacking member (68) sliding the packages over the resiliently movable retaining members (70) located on both sides of the third channel (69), which are columns at least two stacked packages are conveyed to the rotating section wheel (74) for replacing defective packages, from whose radial sections (73) the stacks of packages are ejected by shifters into a fourth channel (74) leading to another packaging machine. ·

BACKGROUND OF THE INVENTION The invention relates to an apparatus for forming groups of rectangular parallelepiped articles, in particular cigarette packs, wherein each group comprises stacks of articles stacked in a row adjacent to each other that are fed from a wrapping machine and ready to be conveyed to baler wrapping machines. or cartons, the apparatus comprising a pick-up and refill device for removing defective packages and supplying spare undamaged packages, a unidirectional and intermittently movable wrapping ring provided with a radial tray system from a horizontal supply channel for feeding individual packages to the radial trays of the wrapping ring; positioned flush with the first inlet channel and sliding means for pulling the packages out of the packing ring compartments and sliding into the second outlet channel.

Product groups, in this case cigarette packets, may consist of two rows of packs on top of each other, each row consisting of an equal number of packs, or may consist of stacks of packs that are stacked in a row adjacent to each other.

Two types of machines are used in the manufacture and packaging of cigarettes; the first is production machines, • producing individual cigarettes, from the first production process, which is the cutting and preservation of tobacco, until the final cigarette. Machines of the second type include wrapping machines for wrapping individual cigarettes into packages and other wrapping machines for wrapping packages into cartons or packages, which also include wrapping machines for wrapping packages in outer cellophane wrappers and for wrapping cartons in outer packages .

In cigarette manufacturing plants, wrapping machines for wrapping packages of cellophane wrappers are placed between the machines for wrapping individual cigarettes into packages and for wrapping packages into cartons, while the last machines for wrapping in outer packaging are placed behind the carton wrapping machines.

Packing machine operating speed can range from 100 to 400 cigarette packs per minute, carton packing machine working speed depends on the performance of previous wrapping machines and how many cigarette packs can fit in one carton.

The object of the present invention is to solve the problem of properly supplying carton wrapping machines with a packet of cigarettes, the principal object being to provide a device which would combine the function of a wrapping machine for wrapping cigarette packs with cellophane. This device is also intended to produce cigarette packer stacks containing the necessary number of units. The device according to the invention should also be able to discard damaged packages and replace them with others in order to maintain the number of units in the generated heats and to ensure that the stacks produced do not contain damaged packages.

This object is solved by a device for forming rectangular parallelepiped product groups, in particular cigarette packs, wherein each group comprises columns of articles stacked in a row adjacent to each other, wherein the articles are fed from the packaging machine and the assembled groups are ready to be conveyed to the machines. carrying out packages or packages. The apparatus comprises a take-up and refill device for removing damaged packages and supplying spare undamaged packages, a unidirectionally and intermittently movable wrapping ring, provided with a radial compartment system on the circumference, a feed line. a horizontal channel for feeding the individual packages into the radial wrapper compartments, a second outlet channel disposed flush with the first inlet channel, and sliding means for pulling the packages out of the wrapper compartments and sliding into the second outlet channel.

The device according to the invention consists in that it further comprises a third channel running parallel to and partially overlapping the second outlet channel, of a cam actuated vertically and reciprocally movable stacking member positioned upstream of the take-off and refill device, the path of which intersects the second outlet a channel, for forming stacks consisting of a selected number of articles, of resiliently movable retaining members disposed along mutually opposite sides of the intersecting third channel opposite the lifting and assembling member, of first and second sliders movable reciprocally and synchronously with a frequency equal to the inverse of the number of articles and a frequency of the lifting and assembling member, wherein the first pusher has its travel path in the third channel and the pick-up and refill devices and the second pusher have a travel path between the lift and the assembly and a fourth outlet channel, flush with the third channel on the side opposite to the take-up and refill device and facing the packaging machine for packaging the products into packages or cartons.

According to a preferred embodiment of the invention, the refill device is formed by an intermittently and in one direction rotatable horizontal section wheel provided with a plurality of radial sections disposed in the. flush with the third channel and with the fourth channel located on the opposite side of the horizontal section wheel, the horizontal section wheel being coupled to the drive means for intermittent unidirectional rotation at a frequency lower than the frequency of the rotating movements of the lifting and assembling members.

According to another particular embodiment of the device according to the invention, the length of the second and the third is 10 612

With this channel equal to a multiple of the dimension of the product measured in the direction of its movement, the difference in height of the location of the second. and the third channel is at least equal to the product dimension measured. in a direction perpendicular to its conveyor direction.

The construction of the device according to the invention is applicable to packaging lines operating. with high performance, the operation of the equipment is reliable, and the design features used therein do not give much chance for failure. The device according to the invention carries out the removal of damaged packages and replaces the removed packages with new ones, so that only groups containing the necessary number of undamaged packages are fed to the carton packaging machine.

An exemplary embodiment of a packaging device according to the invention is shown in the drawing, wherein FIG. 1 is an axonometric view of the entire assembly of the device according to the invention including power units; and FIG. 2 is an axonometric view of selected parts of the device;

The device according to the invention is driven. an electric motor 1 which simultaneously drives a packaging machine for wrapping cigarettes into packs. On the horizontal shaft of this. a drive pulley 2, which is connected by a belt 3 to a driven pulley 4 located at the end of the horizontal main shaft 5, is mounted on the electric motor 1. On the main shaft 5, starting from the end with the pulley 4 7 and the third gear 8.

The helical gear 6 engages a fourth gear 9 mounted at the lower end of the vertical shaft 10, which in turn is driven by a second shaft 13 parallel to the main shaft 5 via a pair of wheels consisting of a third helical gear 11 and a fourth helical gear 12. The operation of the second shaft 13 will be described in more detail below.

The third shaft 15, running parallel to the main shaft 5, is driven by the second. a gear 7 by means of a fifth gear and carries a conventional device 16, which is directly driven by a six-arm Maltese. a cross 17 moved intermittently; The Maltese cross 17 is mounted at the left end (FIG. 1) of the fourth shaft 18, which is also mounted parallel to the main shaft 5.

The device 16 is usually provided with opposing pins or free rollers. and a centering member in the form of an arc sector; these latter parts are not shown as they would reduce the clarity of the drawing.

An eccentric is mounted on the fifth shaft 21 and a cam is mounted on the sixth shaft 22

20, provided with an eccentric groove, wherein the two shafts 21, 22 are again parallel to the main shaft and driven by a conventional one (not shown). way.

The rod 24 extending perpendicular to the main shaft 5 is rotatably connected at one end at a point 23 to the eccentric 19. Its opposite end is connected to the pusher 64. A block 26 having a horizontal pin 25 engaging the upper end of the guide rod 27 Bottom. the end of the guide rod 27 is provided with a guide thumb 28 engaging the groove of the cam 20.

This design achieves the transmission of a reciprocating motion from the eccentric 19 to the rod 24 and a rocking motion in a vertical plane passing through the axis of the rod 24, which is associated with an axially directed reciprocating movement of the cam 20.

The seventh shaft 30, arranged parallel to the main shaft 5, is driven by a third gear. 8 through a sixth gear 29 which is mounted on a seventh shaft 30 on which it is still mounted, from left to right (FIG. 1), seventh. a gear 31, a second eccentric 32 and a second spline cam 33, as well as a hand wheel 34 for manually adjusting the machine at the right end.

In the cam groove 33 is guided a thumb, shown in dashed line in FIG. 1, attached to the lower end of the second rod 35, which reciprocates axially along fixed guides not shown when the seventh shaft 20 is rotated. the rods 35 carry stacking assembly members 63 (FIG. 2), the function of which will be described later.

The second eccentric 32 rotates freely within a ring attached to one end of the tie rod 36, which at the other end is pivotally hinged on a lever 37, pivotally connected via a pin 38 to a packaging machine (not shown); the free end of the lever 37 is provided with a longitudinal groove 39.

A horizontal pin 40, which is longitudinally displaceable in the groove and which is inserted into it, extends into the longitudinal groove 39 (not shown). the lever 37 is connected to one end of a horizontal rod 41 extending perpendicular to the main shaft 5, to which reciprocating axial movements are directed along guides (not shown). As seen in FIG. 2, a slide 67 is attached to the other end of the horizontal bar 41.

The seventh gear 31 engages an eighth gear 42 mounted on the eighth shaft 43 running parallel to the main shaft 5 on which the drum cam 44 and the bevel gear 45 are supported.

The drive is transmitted from the eighth gear 42 through the ninth gear 46 to the vertical ninth shaft 47. The ninth gear 47 is coupled to a conventional device 48 comprising a pin and an arc sector not shown and intermittently driven by a second Maltese cross 49 mounted on the lower end of the tenth vertical shaft 50. the upper end of the tenth shaft ⁵⁰ is in a ^p well ^of EVN on horizon ^DDI hunting ^{E k} oe

74, which is provided with radially spaced compartments. 73 or compartments.

A follower attached to one end of the lever 51, the other end of which is connected to the lower end of the vertical eleventh shaft 52, is slidably guided in the groove of the drum 44.

The upper end of the eleventh shaft 52 carries a horizontal arm 53, the free end of which is provided with a groove 53 'engaging by means of a sliding foot (not shown) with a pin 54 vertically extending from the middle portion of the horizontal bar 55. not shown and attached to the packing machine bed.

One end of the horizontal bar 55 carries a first pusher 71 and its other end carries a second pusher 75, which are both mounted in the same horizontal plane containing the upper surface of the horizontal section wheel 74.

The revolver movement of the drum cam 44 is transmitted by the described linkages. and results in pivoting movements of the arm 53 in the horizontal plane, as well as axial reciprocating movements of the horizontal bar 55 simultaneously with the two sliders 71, 75.

The bevel gear 45 engages with a second gear 56 mounted at one end of the twelfth shaft 57, which is horizontal and perpendicular to the main shaft 5. The twelfth shaft 57 is the source of drive for the carton or bale wrapping machine located downstream of the wrapping machine to the cellophane to which cigarette packs formed in the device according to the invention are fed.

The first horizontal inlet duct 60 comprises a substantially pair of spaced-apart endless conveyor belts 60 ved, 60 ených, guided around the free rollers 62, of which only one mounted on the second shaft 13 is shown in FIG.

The pair of conveyor belts 60, 60 'are spaced apart by a length which is slightly less than the length of the cigarette pack 58, so that each pack 53 is supported at both opposite ends. Between the two conveyor belts 60, 60 'is a longitudinally extending belt 63 coplanar with the upper branch of the conveyor.

The inlet channel 60 is formed by compartments 59, each of which can accommodate one package 58 which is adapted to individually and sequentially insert cigarette packages 53 into radially positioned compartments 65, six of which are shown intermittently in the example. a moving wrapping ring 66 which rotates in the clockwise direction and forms part of a wrapping machine for wrapping packages into cellophane; the wrap ring 65 is mounted on the fourth shaft 18.

The third shifter 67 moves along the second outlet channel 83, which is shown in FIG.

marked with dashed line. This second outlet duct 83 lies in the same horizontal plane as the first inlet duct 60, but on the opposite side from the wrap ring 66, and extends to the contracting member 63.

The first slider 71 moves along the third channel 69 (FIG. 2), the inlet portion of which overlaps the stacking member 68 and spaced from the second exit channel 83 vertically by a distance substantially corresponding to the thickness of the packet 53 of cigarettes; the third channel 69 extends up to the horizontal section wheel 74. The length of the third channel 69 in this embodiment is twice the size of the packet 58 of cigarettes.

A resiliently movable retaining member 70 (FIG. 2) is disposed on each side of the inlet portion of the third channel 69, i.e. the portion overlapping the stacking member 68, which can be moved from a first, substantially horizontally operative position to a second one. substantially vertically inactive position. The spring members (not shown) cause the retaining member 70 to return to its original operating position whenever it has been moved out of it.

The second slide 75 moves along a fourth duct 76 connecting the horizontal partition wheel 74 with the support surface 78.

As shown partially in FIG. 2, cigarette packs 53 have left the packaging machine which is not shown and is preferably formed in the same manner as in the US. Nos. 191 904, 189 655 and 161 839 are fed to a packing or wrapping machine into a cellophane by a continuous conveyor 84 which is arranged parallel to the main shaft 5 and moves in the direction of arrow 85. On this conveyor 84, the cigarette packs 58 are placed close to each other and flat.

As mentioned in MS. No. 195,271, at the outlet end of the conveyor 84, the cigarette packs 58 are inserted one by one into the conveyor compartments 59 (FIG. 1) or into the first inlet channel 60; As shown in FIG. 2, the conveyor 60 is positioned transversely to the conveyor 84 and moves continuously in the direction of arrow 86.

In the packaging process, the cigarette pack 58 is continuously moved on the conveyor 84 until it reaches its right end where the slider is attached to the free end of the bar 24.

The eccentric 19, the cam 20 and the guide rod 27 cooperate with each other, as mentioned above, to produce axially directed reciprocating movements on the rod 24, which is extended into the pusher 64, during the forward stroke; in this movement, the pusher 64 is to reach between the conveyor belts 60 ', 60 "beyond the compartment 59 that has reached the right end of the conveyor 84 to insert a packet of cigarettes 58 along with the cuttop of cellophane wrapping material into the compartment or one of the compartments 65 stopped at the entrance station and coped with conveyor 84.

Upon insertion of the cigarette packet 58 into the compartment 65, the pusher 64 will start its backward 210012 stroke downwardly so as not to interfere with the advancement of the next packet 58 advancing on the conveyor with which it will come into contact during the next stroke.

The processed cigarette packet 58 is transferred as a result of the intermittent rotational movement of the wrapper 86, running in the clockwise direction and in the direction of the arrow 87, from said inlet station to the diametrically. opposed to the exit station, and during this transport, the packet of cigarettes 53 to be processed is subjected to a first series of wrapping operations performed by not shown and conventional fixed and movable wrapping members and welding members attached around the wrapping ring 66.

At the output station, a fourth displacement 67 operates which ejects the processed and partially packaged packages 53 from the respective compartments or compartments 65 and transfers them to the second output channel 83 at which the packaging operation is completed.

The second outlet passage 83 has a length equal to the multiple of the transverse dimension of the cigarette pack 53, and in normal operation, the second passage 83 adapts to a row formed of a plurality of closely adjacent packs 53. as a result, the row of packages 53 moves in the direction of the arrow 88 by a length equal to the transverse dimension of the package 58 and the first package 58 is converted to a stacking member 68, which now stands in the off-position facing downward.

During the upward stroke, the moving member 63 is actuated by the cam 33 via the second rod 35 and the packet 58 of cigarettes previously moved to the stacking member 68 is moved by the spring-actuated retaining member 70 by the return stroke of the withdrawing member 68. the package 53 'is maintained in the inlet portion of the third channel 69. As mentioned above, the first slider 71 and the second slider 75 are attached to the two ends of the horizontal bar 55 and are actuated simultaneously, the frequency of movement of these sliders being half than the frequency of movements of the puller 68.

Since the first pusher 71, supported by the left end (FIG. 1) of the horizontal bar 55, is displaced. is horizontally moved back and forth along the third channel 69, in the period between successive shots of the pusher 71, a stack 72, consisting of two stacked cigarette packs 58, is formed by a contracting member 68 at the entrance of the third channel 69; the newly formed stack 72 is disposed adjacent to the previous stack which rests on the outlet portion of the third channel 69.

At its forward stroke, the first pusher 71 engages from the left side of the stack 72 resting on the inlet portion of the third channel by moving it to the outlet portion of the channel 69 so as to allow the stacking member 68 to create a new stack 72 in the inlet portion of the third terminal 69.

As a result of the stacked sheets from the inlet portion ^towards one tfetího ^and LU ⁶⁹ · to the output section of the channel 69 is. moving the stack 72 previously located in the outlet portion of the channel 69 into the compartment 73 of the drum 74, which has stopped in alignment with the third cone 69, thereby aligning the sliders 71, 75.

The horizontal compartment drum 74 is attached to the upper end of the tenth shaft 5θ and rotates intermittently counterclockwise at the same frequency as the slider 71, causing the lower stack 72 to be inserted into the next compartment 73 of the compartment wheel 74.

Due to the intermittent movement of the horizontal section wheel 74, the stack 72 inserted into the compartment 73 is moved from an inlet station located on the opposite string aligned with the fourth channel 76. During each forward stroke of the second slide 75 acting simultaneously and coincident with the first slide 71, the stack 73 is removed from the output station and inserted into the fourth terminal 76.

With each stroke extending from the left side of the horizontal bar 55 to its right side, the stack 72 is fed and pushed into the tray by the first slider 71, while the. from the opposing outlet stem 'and opposite compartment 73, the stack 72 is removed and ejected by a second slide 75, which pushes it into the fourth cone 76 and thus fully forms on the support surface 73 a complete group 79 underneath the conventional cork 77; in an embodiment, the complete group 79 is formed of five stacks 72 adjacent to each other that comprise two stacked bolts 58.

Each complete group 79 is pushed and pushed along the support surface 78 in the direction of arrow 89 (not shown) [FIG. 2] to a baler or carton packing machine which is not shown in the exemplary embodiment.

Also shown in FIG. 1 is a pair of stations 80, 81, of which the first stem 81 supports a storage unit 82 comprising a stack of undamaged packages 58, ready to be replaced for damaged ones.

As presented in Patent No. itolském 'б ⁸⁰ 65 ^{0 H} NE ^Z is ^MO; j ⁱ te ^LP of ^t ent identical with the owner of Potent, the device is provided with suitable odebírocími means ^kt er ^E are not ^ZN zorn n ^{g e} and which remove the stacks 72 comprising one or more defective symbolically 58 from station 80, while in other stonici 81 ', new undamaged packages 58 are fed from the storage unit 82.

Claims (3)

SUBJECT 1. Apparatus for forming groups of products in the form of rectangular parallelepipeds, in particular packs of cigarettes, composed of columns of articles arranged in a row adjacent to each other, connected to a packaging machine for packaging products and connected to the inlet of a packaging machine for packaging products in cartons or cartons Consisting of a take-up and replenishment device for collecting defective products and supplying products undamaged, a unidirectionally and intermittently movable wrapping ring with a radial tray system, a first inlet channel for feeding individual products to the radial trays of the wrapping ring, from a second outlet channel, disposed flush with the first inlet duct, and displacement means for ejecting articles from the radial compartments of the wrapping ring and moving them through the second outlet duct, characterized in that it is provided with a third a channel (69) disposed parallel to the second outlet channel (83) above it and partially overlapping it by a vertically and reciprocating movable assembly member (68) coupled to the cam (33) and located upstream of the take-up and refill device whose path intersects the second an outlet channel (83) for forming stacks of articles comprising a selected number of elements by resiliently movable retaining members (70) disposed along opposing sides of an overlapping portion of the intersecting third channel (69) opposite the lifting and assembling member (68), the first and second members; a second slider (71, 75) movable reciprocally and synchronously at a frequency equal to the invention of the reciprocal of the number of strokes of the lift and assembly member per unit time, the first slide (71) being slidable in the third channel (69) between the lift and assembly member 68) and a take-off and refill device, and the second pusher (75) is pos interposed between the take-up and replenishment device and the outlet fourth channel (76) disposed flush with the third channel (69) on the opposite side of the take-up and replenishment device towards the packaging machine for packaging the products in boxes or cartons. 2. Device according to claim 1, characterized in that the removal and replenishment device is formed by an intermittent and unidirectionally rotatable horizontal section wheel (74) provided with a plurality of radial sections (73) aligned flush with the third channel (69) and the fourth a channel (76) disposed on the opposite side of the horizontal section wheel (74), the horizontal section wheel being coupled to drive means to maintain the intermittent unidirectional rotational movement of the section wheel (74) at a frequency lower than the traversing frequency of the lifting and assembling member ( 68). Device according to Claims 1 and 2, characterized in that the length of the second duct (83) and the third duct (69) is equal to a multiple of the dimension of the conveyed product measured in its feed direction, the height difference between the second outlet duct (83) and the third channel (69) is at least equal to the height dimension of the product, measured in a direction perpendicular to its longitudinal displacement direction.