CN1078438A - Pack the overwrapping machine of continuous packaging product with tubular - Google Patents

Abstract

A kind of tubular packing (3) wrapping machine (1 of packaging product (2) continuously that is used for, 151), wherein each packing (3) is to connect and form by around separately product (2) each packing being folded into U-shaped and will opening material (7) two ends, product this moment (2) is extended through package mechanism (4 along one, 152) passage is supplied with continuously, each product (2) is by a clamping mechanism (38a movably, 117) retrain, wherein the constraint of a side is the detent mechanism (18 that moves along above-mentioned route by, 168) realize, and in the constraint of opposite side is to be realized by the operating unit (38) that moves together along described route and each detent mechanism (18,168).And abut against detent mechanism (18,168) and clamp each product (2), each operating unit (38) has a connecting device (69), and this device moves back and forth in the position that joins with product (2) separately.

Description

Pack the overwrapping machine of continuous packaging product with tubular

The present invention relates to a kind of overwrapping machine of packing continuous packaging product with tubular.

The present invention is specially adapted to the external packing of cigarette case, to this following description character for example sheerly.

The known overwrapping machine that is used for forming around cigarette case the tubular packing of transparent heat closure material comprises one at least around the progressively folding runner of axis, and has and be characterized as the bearing that some peripheries are outwards opened.These bearings come continuous charging by the feed station, and each bearing is braked at feed station place, so that receive a box that has one sheet of packing material.Packing are added between bearing and the box, and are folded into U-shaped around this box and are inserted into bearing the inside.In case be folded into U-shaped, these packing two opposed ends usually occur and protrude in outside the bearing, and utilize exterior folding device that two relative ends are folded in above the other end, then with its heat-sealing to form a tubular package.Both ends are usually by in addition sealing-in of the external heat seal apparatus that is installed in fixing heat-sealing station.

Although the wrapping machine of known aforementioned type is efficient, safety, in fact all there are several significant disadvantages in the reinforced wrapping machine of all steppings: high noisy; Quite complicated; The physical construction of high cost; Exceeding and be higher than prescribed limit increases the impossibility of speed of production; And aspect the time of run optimization of each control step interior difficulty.

The object of the present invention is to provide a kind of wrapping machine, particularly a kind of overwrapping machine attempts to overcome aforesaid all defectives.

A kind ofly pack the overwrapping machine of continuous packaging product with tubular according to the invention provides, described wrapping machine comprises a packing device, and one is used for described product is supplied in succession first device of this packing device; And one second device, this device has described product ground simultaneously and prepares to the packing device feed that has one sheet of packing material.This packing device comprises that one is used for along the clamping mechanism that moves continuously of supplying this product to fixed line, and the guide groove mechanism that prolongs an importation extension of described route at least; There is the propulsive mechanism be used in succession product and packing are separately inserted described guide groove in packing device, thereby the product that every material is centered on separately is folded into U-shaped, and each product is retrained by each described clamping mechanism; Each described clamping mechanism comprises the mechanism that is used to engage each described tubular packing; And described coupling device reciprocally motion in it engages the position of each described tubular packing.

With regard to above-mentioned wrapping machine, each described clamping mechanism preferably includes, at the mobile detent mechanism of the part of prolonging described route at least of one side, and one operating unit is arranged at its opposite side, its part of prolonging described route is at least moved with each detent mechanism, and be designed to clamp each described product against each detent mechanism, each operating unit comprises described engaging gear.

More of the present invention and non-restrictive example are described with way of example below with reference to accompanying drawing, wherein:

Fig. 1 represents by the scheme drawing of first most preferred embodiment of overwrapping machine of the present invention (for clarity sake having removed some parts).

The enlarged drawing of a details in Fig. 2 presentation graphs 1;

The section drawing of a details in Fig. 3 presentation graphs 2,

Fig. 4 represents according to the scheme drawing of second most preferred embodiment of overwrapping machine of the present invention (for clarity sake having removed some parts).

The enlarged drawing of a details in Fig. 5 presentation graphs 4.

Numeral 1 refers to a wrapping machine among Fig. 1, says so in more detail a kind ofly to pack 3 continuous packaging products, the particularly overwrapping machine of cigarette case 2 with tubular.

Wrapping machine 1 comprise one in order to 4, one of the package mechanisms that form packing 3 around packing box 2 in succession to first device 5 of package mechanism 4 feed cassettes 2; Input station 8 to package mechanism 4 is supplied with in an orderly manner second device 6 of heat sealing packaging material 7 one by one; A first module 9 has each packing 7 simultaneously, is used for packing box 2 is sent to input station 8 from installing 5; A fold mechanism 10 is connected to the mouth of package mechanism 4, packs 3 in-to-in packing boxes 2 separately in order to receive to be wrapped in successively, and is used for two ends vis-a-vis folding and that enclose 3 is opened; A heat-sealing and a stabilization element 11 that is used for heat sealed package 3 folded ends; And second unit 12 that in succession box 2 is sent to heat-sealing unit 11 input ends from the mouth of folding device 10.

As shown in Figure 2, package mechanism 4 comprises two ring- type conveyers 13 and 14 that face with each other, and these two devices comprise the belt conveyor 15 and 16 of pairing separately successively again, along belt conveyor 15 and 16, the outshot separately 17 and 18 that equates is at interval arranged on it.

The driving band 15(that is positioned at belt conveyor 16 tops only expresses one) be that wherein at least one is a driving wheel around three belt pulleys 19,20,21() loop, it is a triangular arrangement, belt pulley 19 is on the summit, belt pulley 20,21 is positioned at two cardinal extremities, and limits a transmission side 22 on driving band 15.Under driving band 15, be with 16 around three belt pulley 23(Fig. 1) 24,25 or loop, 23,24,25 be arranged in upside-down triangle shape, belt pulley 23 is on the summit, 24 and 25 are limited to the two ends on triangle side base, on driving band 16, one carries side 26 vis-a-vis, and is parallel to side 22, and ipsilateral 22 limits a reinforced guide groove 27 that is used for the basic horizontal of box 2 together.

Driving band 15 and 16 is carried with cw shown in Figure 2 and conter clockwise respectively, therefore carries side 22 and 26 with equidirectional 28 motions; And be so synchronously, thus projection 17 with 18 with identical speed and toward each other move along guide groove 27, determined like this one along guide groove 27 with direction 28 moving continuously of delivery cartridge 29 one by one, and each projection all is used for wrapping up each box 2.

Each conveyer 13 and 14 belt pulley 20 and 24 face with each other and are provided with, so that determine the input end 30 of guide groove 27; And belt pulley 25 be put on the direction 28 belt pulley 21 below, outstanding thereby the end of side 26 31 surpasses the output end of guide groove 27.For the mouth of packing device 4 and being connected of folding device 10 input ends, narration in detail in the back.

Except that conveyer 13 and 14, packing device 4 also comprises an annular conveyer 32 that is placed on conveyer 14 the insides, itself comprise also that at least one is driving wheel to an annular around three belt pulleys 34,35,36() driving band 33, belt pulley 34,35,36 is arranged in has belt pulley 34 on the summit, belt pulley 35 and 36 dels at triangle inversion two ends, base, and define one, on driving band 33, be parallel to the working edge 37 that guide groove 27 extends, itself and transmission plane 26 are placed face-to-face, and concentric with two driving bands 16.Belt pulley 35 is laid facing to the center of guide groove 27, and belt pulley 36 is laid facing to the mid point of the part 31 of side 26.Driving band 33 rotates in a counter-clockwise direction (Fig. 2), and is connected in driving band 15 and 16 with known manner, so that working edge 37 moves on direction 28 along guide groove 27, and speed is identical with side 22 and 26.

As shown in Figure 2, driving band 33 has with uniformly-spaced operating unit 38 ground along box 29 same intervals of guide groove 27 and is placed.

Each unit 38 comprises a bracing frame 39 that is roughly the H type as shown in Figure 3, and frame 39 itself comprises two side arms 40 that are parallel to driving band 33.At one end, arm 40 has coaxial through hole 41, hole 41 and bearing 42 separately respectively and matches, with rotating manner arm 40 is connected in separately coaxial pin 43, pin 43 is to stretch out from 44 liang of opposite ends of cross member, with bolt 45 cross member 44 and driving band 33 is fused.

At the end place relative with the end that bearing 42 is installed, the axle sleeve 46 that arm 40 forms separately, it has common axis and parallel with cross member 44, it matches with separately axle in bearing 48 separately, bearing 48 defines the flower wheel that matches with separately guide rail 49, and guide rail 49 is along route 50(Fig. 2) extend and be parallel to driving band 33 and in its outside.

By means of the bearing 51 that inserts separately, axle sleeve 46 is mated with rotating manner by pin 52 and 53 separately, and pin 52 and 53 arms 54 from the U-shaped crotch 55 between arm 40 in the opposite direction extend.Except that arm 54, crotch 55 also comprises a cross member 56, it parallel to the axis 47 and and a folding element 57 be fitted together composition with respect to the flat board of route 50 to outer process.Crotch 55 formations one are around the first arm of the Rocker arm 58 of axis 47 rotations, and it also comprises second arm 59 that at one end matches with pin 60, pin 60 from the free end shaft of pin 52 to outstanding, and match at the other end and 47 the pin 61 of paralleling to the axis, and support a flower wheel 62 with rotating manner, flower wheel 62 with prolong the cam 63 that route 50 extends and match.

Arm 54 supports a pin 64 with rotating manner, pin 64 is coaxial and first end that is used to rotate is installed with axis 47, its by means of one be inserted in pin 52 arm 54 in aggregates in the axle sleeve and of formed blind hole 66 in order to rotate second end of arrangement, it prolongs the axle sleeve 67 of through hole that pin 53 extended axially and passed the arm 54 of adjacency by means of insertion, pin 64 constitutes the pivot of rocking arm 68; rocking arm 68 has the first arm of being made up of hot sealing device 69; device 69 is assembled to the position of the pin 64 that extends between arm 54, and second arm 70 at one end is assembled to pin 64 to crotch 55 outside outstanding ends.At a relative end that links to each other with pin 64, arm 70 be equipped with parallel to the axis 47 pin 71 its be used to support the support of a rotation flower wheel 72.Flower wheel 72 matches with the cam 73 that prolongs route 50 extensions.

Different with fixing cam 63, cam 73 is formed on the periphery of flat board 74, as shown in Figure 2, cam 73 is in order to be set up rotationally in support 75, supporting 75 is positioned at the center of driving band 33 and parallels to the axis 47, and a levelling device 76 is housed, device 76 comprises that one is assembled to the motor 77 on the fixed pedestal 78 and connects 79 by a little internal gearing and is connected on dull and stereotyped 74.

In the loop that is limited by feedway 13, structure be installed be hinged parallelogram form folding device 80 the fixed mount (not shown) and comprise two bent axles 81 and a pipe link 82, bar 82 is parallel to guide groove 27 and moves.Pipe link 82 is fitted together with folding unit 83, part 83 is outstanding and perpendicular to guide groove 27 from pipe link 82, unit 83 is being penetrated within the guide groove 27 between the driving band 15 along the part in the path of pipe link 82, and enters the folding station that faces toward belt pulley 35 basically.Folding device 80 is penetrated within the guide groove 27 to be infeeded identical frequency with box 29 by described folding station with the so synchronous consequently folding unit 83 of conveyer 13 and 14.

Infeeding device 5 as shown in Figure 1 comprises a guide groove 84 that aligns with guide groove 27 and is limited by fixing horizontal plate (not shown) at its top, limited by fixing horizontal plate 85 in its bottom, plate 85 has an axially open (not shown) that cooperates in the noncontact mode by stepping projectile 86.Propulsion unit 86 is installed on the driving band 87 of ring-type feedway 88, and deliver to the input end 30 of guide groove 27 along guide groove 84, cause each box 2 of supply to be parallel to direction 28, and become the relation of traverse with the major axis of box 2, the box 2 of supply is arranged to big side and contacts with plate 85.

With reference to figure 1, guide groove 84 mouths extend through known roller 84a again, and it constitutes the output unit of feedway 6, and 84a places relatively with the input end 30 of guide groove 27, and rotate synchronously around the axis of the axle that is parallel to belt pulley 20 and 24.

Move the crank mechanism 89 that unit 9 comprises the known type that is limited by crank 90 and pipe link 91, its free end portion constitutes a propelling unit 92, propelling unit 92 moves along the output end of described guide groove 84 in its partial journey scope, so that box 2 adjoining lands move on in the importation of guide groove 27, and by 30 front ends that just limit each box 29 with the passage of two relative projections 17 and 18.

Wheel 84a is limited by two disk-shaped part branch in known manner, two dish coaxial connections and parallel to each other, and determine that betwixt one wraps up the passage of described flat board, described flat board is limiting guide groove 84,, by propelling unit 92 box 2 is advanced in succession then at first by propelling unit 86 along guide groove 84.

The device 6 that infeeds of known manner is put on the mouth of guide groove 84; Except that wheel 84a, comprise that also one is used for continuous band 94 is fed to the device 93 that cuts off station 95, band 94 laterally is cut into a material 7 that connects herein.Remain on gap between the cut input end that infeeds guide groove 84 mouths and guide groove 27 with every the material 7 on 94 by wheel 84a in known suction mode.

With reference to Fig. 2, input station 8 is arranged between the periphery of the input end 30 of guide groove 27 and wheel 84a, and comprises two rollers 96, and it defines a passage that aligns with groove 27 and 84, and width of channel is approximately equal to but is not less than the thickness of box 2.Roller 96 is arranged on the both sides of guide groove 27 axis, and is supported on separately the engaging gear 97.Make it in the opposite direction to rotate and superficial velocity is substantially equal to the running velocity of driving band 15 and 16.

By two fixed fold device 98(one only is shown in Fig. 2), define the importation of the guide groove 27 that on direction 28, is in belt pulley 35 upstreams from the side, the distance of separation of two folding devices is approximately equal to but is not less than the length of box 2, and the importation is connected with the upstream of belt pulley on direction 28 from the position that described folding unit 83 penetrates guide groove 27.

The device 4,5 and 6 and unit 9 obviously be so synchronous, therefore box 2 is supplied to the input end of (not give the known approaches of drawing) guide groove 84, and the propulsion unit separately 86 of the output end by being used to be transplanted on guide groove 84 uses restraint, supply with band material 94 by running through the device 93 that cuts off station 95, thereby import a material 7 to the periphery of wheel 84a.Because the above-mentioned box 2 along guide groove 84 operations is retrained by propelling unit 92, each material 7 is laid to locate with 84 one-tenth horizontal relationship ground of guide groove by wheel 84a, thereby infeed the input end 30 of guide groove 27 by propelling unit 92 when box 2, and when passing through input station 8 with driving band 15 speed identical with 16, it is connected with box 2.

Because box 2 infeeds at input station 8 between roller 96, every material 7 is folded into U-shaped around box 2 in a controlled manner.In fact, as described, superficial velocity equal driving band 15 and 16 and the effect of the roller 96 of the running velocity of propelling unit 92 be used for stoping endwisely slipping between material 7 and the box 2 (promptly 7 axially on slip).So, open a material 7 and be folded into the U type around box 2, make to occur to the outstanding both ends of the posterior direction of box 2 in fricton-tight mode, with the 28 one-tenth horizontal relationships in 2 liang of opposite ends and directions of box the two U type lateral parts given prominence to.

Because box 2 infeeds guide groove 27 by propelling unit 90, position around 2 materials 7 of box is further controlled by fixed fold device 98, it is partially folded to each end surfaces of box 2 that each folding device will be opened the side surface of package of each U type side of material 7, therefore also laterally fixingly opens material 7 to box 2.

As previously mentioned, box 2 is sent to input end 30 with separately the material 7 of opening with two relative projections 17 and 18, and projection is positioned at leading flank (on the direction 28) position contacting with box 2.Between driving band 15 and 16, clamp gradually, box 2 is infeeded through fixed fold device 98 and the described folding station passed through by driving band 15 and 16, in folding station folding unit 83 penetrates guide groove 27, fold into (in 28 directions) on box 2 rear side surfaces so that will open the top ends of material 7, this folding operation was finished before just entering operating unit 38 arrivals on the belt pulley 35.

As for operating unit 38, should be noted that, cam 63(Fig. 3 as shown in Figure 2) be so to form so that each folding unit 5) install to such an extent that be substantially perpendicular to driving band 33, and when operating unit 38 separately when the periphery of belt pulley 36 leaves guide groove 27 unit 57 only towards afterbody tilt (said relatively upright position and with 33 moving direction).With 33 with are bottom parts that folded piece 57 progressively engages each material 7 so synchronously so that when operating unit 38 centers on belt pulley 35 peripheral mobile with 16.And described bottom folded into the tail end-side surface of said box 2 and surpass said top, fold the position downwards even be fixed on by folding unit 57 at folding unit 83 this folded state after guide groove 27 is regained.

Should be noted that, within inserting guide groove 27 and when being positioned at the described box 2 tail side surfaces of contact, each folding unit 57 is defined within box 29 the accurately clamping unit 38a of clamping box 2 with projection 18 separately, and accurately controls its position when box 2 prolongs guide groove 27 operations.

When operating unit 38 along with 33 front side 37 operations the time, it is shorter than described material 7 bottom part length that folding unit 57 is charged into guide groove 27 parts, therefore, when folding above described top, the bottom of opening material 7 demonstrates the free-ended tip protrusion from folding unit 57, and by in addition driving fit of hot sealing device separately 69, device 69 is used for around box 2 side seal tubulars packing 3.

As clearly shown in Figure 2, when operating unit 38 during around the operation of belt pulley 35 periphery, cam 73 is so constructed, so that the hot sealing device 69(that rotates backward is with respect to being with 33 service directions) in case locking apparatus 69 is interfered folding element 83 separately.Cam 73 is designed to also guarantee that box 2 before contacting with hot sealing device 69, is folded unit 57 and firmly contacts.

The operating time of hot sealing device 69, how long guarantee promptly that box 2 keeps contacting with device 69 along guide groove 27 is adjusted by installing 76, promptly in one or other direction, adjust by rotor plate 74, in order to the leading of generator 69 or delay operation, and increase or reduce the sealing time, even when changing, also can reach optimization with 15,16 and 33 speed one.

Folding device 10 comprises a base plate 99 and a top driving device 100 as illustrated in fig. 1 and 2, and the exit position that its limits guide groove 101 is aimed at guide groove 27 and 84 and is parallel to direction 28.Driving device 100 comprises that one has projection 103 and annular and is positioned at mouth 31 tops of driving band 16 sides 26 and basically facing to belt pulley 36 around driving band 102, the second belt pulleys 105 of belt pulley 104 and 105. Belt pulley 104 and 105 is parallel to the conveying side 106 of plate 99 surely and comprises an input end 107(Fig. 2 in driving band 102 upper limits), input end 107 facing to position 31 and and position 31 limit guide groove 101 input ends together, device 10 comprises that also two known scroll folding element 108(only draw one), element 108 is in the both sides of guide groove 101; Also has an eduction gear 109(Fig. 2), it comprises a plate 110 of limiting plate 99 exit end successively, a plate 110 and a crotch 111 are an integral body, and it moves around the axis of belt pulley 25 and between the primary importance and the second place by the actuating device that does not illustrate., open with plate 99 coplanes and seal discharge orifice 112 at primary importance plate 110 at second place opening 112.

As clear expression among Fig. 2, each box 2 is discharged gradually by separately folding unit 57 in the time of on arriving belt pulley 36, unloaded from projection 18 separately, and slowly descend till projection 103 retrains mutually separately, with projection 103 it is promoted forward and progress into folding unit 108 along guide groove 100 and engage, with leave over the two ends that end fold into box 2 of known manner tubular packing 3.

In guide groove 101 outlets and directly below belt pulley 104, box 2 is engaged and is enclosed in the packing 3 by transfer unit 12, and box 2 is infeeded guide groove 113 in succession and is centered on heat-sealing unit 11(known type, thereby does not describe in detail), heat-sealing unit 11 is provided for the sealing of packing 3 ends.

Comprehensive description for unit 12 please refer to disclosures in Italian patent application B091A000282.

Transfer unit 12 is a known type substantially, and comprise a propelling unit 14, it moves by the exit end of crank mechanism 115 along guide groove 101, and mechanism 115 comprises that two cranks 116 and one dress up single-piece with propelling unit 114 and is parallel to the pipe link 117 of guide groove 101 motions.

The guide groove 113 of heat-sealing unit 11 extends around roller 118, and joins at exit end and spout guide 119, and 119 are defined around outlet roller 120, and roller 120 is parallel to and in the relative direction rotation of roller 118.

The embodiment of Fig. 4-5 relates to basically the overwrapping machine 151 similar to wrapping machine 1, and its parts similar in appearance to those parts of wrapping machine 1 with the same numeral system representation.

Similar to wrapping machine 1, wrapping machine 151 comprises a packing device 152, and the device 4 that it is similar to wrapping machine 1 is used to constitute the packing around box 2; One first device 5 is used in succession box 2 being fed to packing device 152; One second device 6 is used for one and connects an input station 8 of in an orderly manner heat sealing packaging material 7 being supplied with packing device 152; One first buanch unit 9, it transfers box 2 to input station 8 from installing 5 simultaneously with opening material 7 separately; A folding device 10 that is connected to packing device 152 outlet is used for adjoining land and receives to be enclosed in and pack 3 box 2 separately, and is used for two opposite ends of folding and enclose 3 openings; Heat-sealing and stabilization element 11 are used for the folding two ends downwards of sealed package 3; And one second buanch unit 12 is used for transferring the inlet of box 2 to heat-sealing unit 11 from folding device 10 adjoining lands.

As shown in Fig. 5, packing device 152 comprises that two are placed to ring-type conveyer 153 respect to one another and 154, corresponds respectively to the conveyer 14 and 13 of wrapping machine 1, and comprises double-type separately driving band 155 and 156 as especially.

Be positioned over on 156 and answer the driving band 155(with 16 of original packing machine 1 only to illustrate one) around a belt pulley 157 and driven roller 158, driven roller 158 diameters are greater than belt pulley 157, roller 158 so is provided with to make is with 155 triangularities, and it has belt pulley 157 at the arrival end place that approximate horizontal transmits side 159.Be arranged on and be with under 155, and corresponding to wrapping machine 1 with 15 driving band 156 around three belt pulley 160(Fig. 4) 161,162.Three belt pulleys form has belt pulley 160 on the summit, and 161 and 162 fall the inversion triangle at two ends on base at triangle.Belt pulley 161 and 162 limit on 156 a pair of and be parallel to side 159 conveying side 163 and and side 159 limit a guide groove that infeeds the basic horizontal of box 2 usefulness together.

Driving band 155 and 156 is respectively with cw and conter clockwise feed (Fig. 5), thereby conveying side 159 is moved with identical speed and equidirectional 165 with 163.

Each self-conveying apparatus 153 and 154 belt pulley 157 and 161 are arranged to toward each other, so that limit the inlet 166 of guide groove 164; And belt pulley 162 is arranged on 165 directions from roller 158 direction down.

Inlet 166, guide groove 164 are two fixed fold device 167 side direction qualifications that are similar to the folding device 98 of packing device 4 in shape and function class.

Roller 158 with on shape and the function and the projection 18 on 16 of wrapping machine 1 mutually the some equally spaced peripheral steady arm 168 of contraposition be fitted together, and extend radially outwardly from roller 158 substantially, so that between with 155 and in 165 directions, enter in succession within the guide groove 164 from fixed fold device 167 downward stations.

There is the known folding device 169 to the device 80 that is positioned at wrapping machine 1 inside of conveyer 154, limits and be included in two cranks 172 and 173 that rotate on 171 by being articulated in the crank mechanism 170 of axle on 171, and both are fitted together with separately pipe link 174 and 175 respectively.Pipe link 175 is around pipe link 174 center-point pivoted, its free end all is made up of the folding unit 176 of the folding unit 83 that is positioned at wrapping machine 1 shape and function, and it penetrates and enters in the guide groove 164 between being with 156, and mobile along the part of guide groove 164 with the circulation of 165 directions, so that open the rear side surface (on 165 directions) that the bottom of material 7 folds into box 2.

Each steady arm 168 has an operating unit 38 separately, and unit 38 is back at steady arm 168 by roller 158 hand of rotation.Different with the driving band situation of registration device 4, each operating unit 38 directly is assembled on the roller 158, so that move along cyclic path 158a basically, and is controlled by guide rail 49 and cam 63,73, cam 63 and 73 is formed at dish and goes up (not shown), and it is sidelong relation for 158 one-tenth with roller.Engaging on the guide groove 164, each operating unit 38 is so control so that folding unit 57 separately turn round jointly with separately steady arm 168, so that determine and the unit 38a of wrapping machine clamping unit 177 separately accordingly.Each clamping unit 177 is used for lifting box 2 from guide groove 164, and will give the time of fixed length in this maintenance, and box 2 runs to the arrival end of the guide groove 101 of folding device 10 and 69 sealed packages of hot sealing device separately, 3 sidepieces around roller 158 peripheries during this period.Folding device 10 bearing of trends of wrapping machine 151 do not coincide with guide groove 164, but above it and parallel with it.And be in the direction 178 relative with direction 165, in fact, packing device 152 infeeds box 2 along the roughly U type route that the arrival end that has with guide groove 84 aligns, and mouth aims at guide groove 101, and the straight line path that align with guide groove 84 and 101 in box 2 edges unlike packing device 4 infeeds.

The situation of like wrapping machine 1 is such, wrapping machine 151(Fig. 4) the guide groove of folding device 10 directly be connected with guide groove 113 arrival ends that seal unit 11.

Wrapping machine 151 drive manners are similar to wrapping machine 1, therefore need not to further describe.

Different with attractive box on folding and the heat-sealing station 2. Wrapping machine 1 and 151 provides and is used for being configured for the continuous packing 3 of box 2 separately, therefore the significant noise that reduces wrapping machine, and can fully change the execution time of various control steps, because box 2 never is braked when being infeeded by wrapping machine 1 and 151, so do not make significant difference on total cycle time.

Claims (14)

1, a kind of overwrapping machine (1 of packing (3) continuous packaging product (2) with tubular; 151), described wrapping machine comprises a package mechanism (4; 152); First device (5) that is used for product (2) is fed to continuously this packing device (4,152); And one second device (6), this device has a described product simultaneously (2) to the packing device feed that has one sheet of packing material (7), it is characterized in that for each product (2), packing device (4,152) comprise be used for along give fixed line (50,158a) supply with the clamping mechanism (38a of the continuous action of this product; 177) and at least prolong the guide groove mechanism (27 of the input end extension of described route; 164), packing device (4,152) there is one continuously with the propulsive mechanism (92) of product (2) and the described guide groove of packing separately (7) insertion, product (2) is folded into U-shaped so that every material (7) is centered on separately, and each product (2) is retrained by each described clamping mechanism (38a, 177); Each described clamping mechanism (38a, 177) comprises the mechanism (69) that is used to engage described tubular packing (3); And described coupling device (69) is reciprocally motion in the position that the described tubular packing of itself and each (3) cooperates.

2, according to the described wrapping machine of claim 1, it is characterized in that each described fixing device (38a, 177) is included in the detent mechanism (18,168) of one side, it prolongs the componental movement of described route (50,158a) at least, and the part (50,158a) of prolonging described route at its opposite side one operating unit (38) at least is with each detent mechanism (18,168) motion, and is used for clamping each described product (2) against detent mechanism (18,168); Each operating unit (38) comprises described engaging gear (69).

3,, it is characterized in that package mechanism (4,152) comprises mutually in the face of arranging and limit first (13 of described guide groove (27,164) according to the described wrapping machine of claim 2; 154) and second (14,153) feedway; With the 3rd feedway (32 that is used for supplying with operating unit (38) along described route (50,158a); 158), described the 3rd feedway (32; 158) be to resemble to be positioned at same side setting the relation of described second feedway (14,153) and described guide groove mechanism (27,164).

4, according to the described wrapping machine of claim 3, it is characterized in that first (13; 154) and second (14; 153) feedway includes each transmission side (22 that faces with each other; 163; 26; 159), and define (15,156) and second (16 of guide groove mechanism (27,164); 155) endless conveyor belt.

5, according to the described wrapping machine of claim 4, it is characterized in that detent mechanism (18; 168) be installed to second feedway (14; 153) on.

6,, it is characterized in that described registration device (168) is placed on the 3rd conveyer (158), and have operating unit (38) separately according to the described wrapping machine of claim 4.

7,, it is characterized in that the 3rd conveyer (32 according to the described wrapping machine of claim 5; 158) comprise that the 3rd ring-type in second endless conveyor belt (16) transmits (33), and some (37) conveying side (26) of being parallel to second endless conveyor belt (16) extends each operating unit (38) and engages with described guide groove mechanism (27) along the part (37) of described the 3rd endless conveyor belt (33).

According to the described wrapping machine of claim 6, it is characterized in that 8, the 3rd ring-type conveyer comprises the roller (158) that one second endless conveyor belt (155) centers on; Described each registration device (168) and separately operating unit (38) at interval equally around the same limit of roller (158).

9, according to the described wrapping machine of arbitrary claim in the claim 3～8, it is characterized in that described packing device (4; 152) comprise that a circulation engages guide groove mechanism (27; 164) first (83; 176) and second (57) folding means; And first and second partially folded to each described product (2) with each described material 7, and second portion surpasses first, so that form separately a described tubular packing (3), each described second folding unit (57) forms described fixing device (38a separately; 177) and the part of described separately operating unit (38).

10,, it is characterized in that operating unit (38) comprises a bracing frame (39), this and the 3rd conveyer (32 according to the described wrapping machine of claim 9; 158a) together along described route (50,158a) move, and with movable manner support described second folding means (57) and coupling device separately (69) separately, first and second cam gears (63,73) are connected to second folding means (57) and described connecting device (69), be used to make their relative support frames as described above (39) respectively by the first and second given rules, move back and forth them in an operating position, this position contact described separately product (2).

11,, it is characterized in that described second cam (73) is along described route (50 according to the described wrapping machine of claim 10; 158a) operation, setting device (76) are used for moving second cam (73) and therefore change second rule.

12,, it is characterized in that it also comprises a folding device (10) that is used to seal tubular packing (3) two ends according to the described wrapping machine of above-mentioned arbitrary claim; Folding device (10) and first feed arrangement (5) are aligned with each other.

13, according to the described wrapping machine of arbitrary claim of claim 1～11, it is characterized in that it also comprises a folding device (10) that is used to seal tubular packing (3) two ends, folding device (10) and first feed arrangement (5) are placed side by side, described route (158a) comprises a roughly U-shaped position, it has arrival end that aligns with described first feed arrangement (5) and the mouth of aiming at described folding device (10).

14, a kind of in the tubular wrapping machine the continuous overwrapping machine of packaging product, be described with reference to the drawings haply and illustrate.

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