CN101108542A - Perforating device and method for packaging laminated materials - Google Patents

Perforating device and method for packaging laminated materials Download PDF

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Publication number
CN101108542A
CN101108542A CN 200610127753 CN200610127753A CN101108542A CN 101108542 A CN101108542 A CN 101108542A CN 200610127753 CN200610127753 CN 200610127753 CN 200610127753 A CN200610127753 A CN 200610127753A CN 101108542 A CN101108542 A CN 101108542A
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CN
China
Prior art keywords
punching cutter
sealing area
package lamina
hole
lamina material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN 200610127753
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Chinese (zh)
Inventor
马蒂亚斯·伦纳特松
本特·诺伦
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Tetra Laval Holdings and Finance SA
Original Assignee
Tetra Laval Holdings and Finance SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tetra Laval Holdings and Finance SA filed Critical Tetra Laval Holdings and Finance SA
Publication of CN101108542A publication Critical patent/CN101108542A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/0006—Cutting members therefor
    • B26D2001/006—Cutting members therefor the cutting blade having a special shape, e.g. a special outline, serrations

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Abstract

The invention discloses a method for tearing a thread hole in a sealing area of two package containers produced by the package laminate material. The hole is suitable for the package laminate material. The method comprises: providing a punching knife with multiple sharp teeth, regulating the cutting depth of the punching knife and determining the hole length formed on the package laminate material. The invention also comprises the apparatus for applying the method.

Description

The perforating device of package lamina material and method
Technical field
The present invention relates to a kind of apparatus and method of on the sealing area that connects two packing containers making by package lamina material, beating the tear line hole.
Background technology
In the packing technique field, use packaging bag to pack and transport product for a long time such as milk, fruit juice and other beverage.Most this packaging bag is made by laminate wrapping material, this laminate wrapping material comprises sandwich layer and outside waterproof plastic coating, this sandwich layer is by constituting such as paper or cardboard, and this outside waterproof plastic coating is a side of sandwich layer at least, and this sandwich layer is formed at the packaging bag inboard.This package lamina material also can comprise the oxygen separation layer that for example forms with aluminium foil.
The common manufacture of this packing container is, (web) makes tubulose with the package lamina material sheet, like this, a longitudinal edge of material piece can engage overlapping another longitudinal edge, in pipe, fill required filler then, again along narrow laterally, for the space and seal with the vertically roughly rectangular sealing area of pipe.After this, utilize the otch of these sealing areas, the part that includes the pipe sealed-off of filler like this can be separated with pipe, thereby can obtain the packing container of cushion or tetrahedral.In the tetrahedral packing container, well-known, the transverse sealing of pipe is vertically vertical with pipe basically, and replacedly is being intervally installed on rectangular two planes mutually.
If it is several that such packing container is once sold to the consumer, have only simultaneously limited storage area again, for example in market stall, then may adopting in the sealing area between a plurality of packing containers punches replaces otch.Like this, just made a series of packing container.Such string be convenient to be suspended on stall shelf or other position on, the consumer both can select to buy whole string packing container, or by tear two between the packaging bag the hole and only buy several vessels.Therefore, the tearing of hole be easy to consumer's operation, and its intensity also will be enough to bear the transportation of the packaging bag of bunchiness simultaneously, carrying and hanging, and the risk that not have hole unintentionally to rupture.The intensity in hole or fragile degree depend on the type and the thickness of the package lamina material of packaging bag.Therefore, key is that for example aspect hole length, the Kong Yaoyu package lamina material is complementary.
Summary of the invention
One object of the present invention is, a kind of method of beating the tear line hole on the sealing area that connects two made packing containers by package lamina material is provided, and this method is easy to adjust for hole length on packing machine.The mode that achieves this end is as follows, and the punching that has multituberculate cutter promptly is provided, and adjusts the punching cutter and enters the depth of cut of package lamina material, thereby determined the length in hole.Like this, identical punching cutter can be used for being the punching of Different Package laminated material, and when when a kind of package lamina material changes another package lamina material into, only needs the adjustment depth of cut.Also having an advantage is that the punching cutter of same type can be equipped to a large amount of packing machines, although these packing machines are used to handle dissimilar package lamina materials.
In one embodiment of the invention, its method comprises, make described packing container by the package lamina material sheet, a longitudinal edge and another longitudinal edge of making the package lamina material sheet of pipe are bonded together, then, in pipe, fill after the filler of required filling, along the sealing area of transverse sealing space.This is the method for effective and conventional manufacturing packing container, is suitable for extending to method of the present invention.
In another embodiment of the present invention, its method comprises, provides relative motion between packing container sealing area and punching cutter, makes the punching cutter cut in the package lamina material, adjusts the distance of relative motion, to determine depth of cut.This is the method for a simple and effective adjustment depth of cut.
In another embodiment of the present invention, its method comprises that the cutter that will punch is orientated as, and is substantially parallel with sealing area, the direction of tooth and sealing area plane perpendicular, and with tear line on a line.
In another embodiment, its method comprises, the triangle pointed tooth of multiple equidistant distribution is set along the punching cutter.In this way, make hole length consistent.
The invention still further relates to a kind of device of beating the tear line hole on the sealing area that interconnects two packing containers being made by package lamina material, its hole knockout is, hole length is adjusted into be suitable for package lamina material.This device is characterised in that, comprises the punching cutter with multituberculate, and a kind of device of relative motion between package lamina material sealing area and the punching cutter is provided, make punching cutter cutter tooth can, with selected depth, cut into package lamina material along tear line.Like this, identical punching cutter is used on the Different Package laminated material and punches, and when when a kind of package lamina material changes another package lamina material into, only needs to adjust the relative motion between punching cutter and the package lamina material.The change of relative motion will change the punching cutter and cut the into degree of depth of package lamina material.As mentioned above, another advantage is that the punching cutter of same model can be equipped with to a large amount of packing machines, although these puncheres are used to handle dissimilar package lamina materials.
In an embodiment of device, the punching cutter is suitable for moving towards sealing area, thereby can cut into clad plate with selected depth.
In another embodiment, the punching cutter orientate as, substantially parallel with sealing area, the direction of tooth is vertical substantially with the sealing area plane, and with tear line on a line.
In another embodiment, the punching cutter is provided with the multiple triangle pointed tooth that equidistantly distributes along its extension.In this way, make the hole length unanimity.
Description of drawings
Below, by a plurality of embodiment, and, will introduce in more detail the present invention with reference to accompanying drawing:
Fig. 1 schematically shows from top and two observed from the side interconnective tetrahedron packing containers;
Fig. 2 schematically shows the interconnective packing container of two strings, and last figure is a string tetrahedron packing container, and figure below is a string cushion packing container;
Fig. 3 schematically shows punching cutter embodiment;
Fig. 4 schematically shows the sketch that the punching lancination advances package lamina material;
Fig. 5 is the schematic diagram according to Fig. 4, but it has shown bigger depth of cut;
Fig. 6 is schematic decomposing schematic representation, has shown the device that keeps the punching cutter and the relative motion of described punching cutter is provided;
The specific embodiment
Fig. 1 shows the tetrahedron packing container of two prior aries, all represent with reference number 10, its manufacture method is, (a web of packagingmaterial) makes tubulose with the package lamina material sheet, make that a longitudinal edge and another longitudinal edge of material piece are overlapping, form waterproof sealing 12.After sealing vertical limit 12, fill the filler that needs filling in the pipe, again with known manner, laterally spaced sealing area 14 seals along narrow limit.Like this, by the otch in above-mentioned sealing area 14, the sealed-off part that filler is housed of pipe is separated with pipe.
Vertical perpendicular of the transverse sealing of pipe and pipe, and replacedly on orthogonal two planes, be intervally installed.Therefore, each packaging bag 10 comprises and is wing and is in two transverse sealings 16,18 in orthogonal two planes.
Figure 1 shows that two interconnective packing containers.Replace aforesaid by cutting common sealing area 14 and packaging bag is separated from one another, hole 20 is made into along a line, thereby has formed the tear line of tearing for the consumer 22.In this example, tear line 22 is straight lines.
Certainly, plural packaging bag can be interconnected by this way.Figure 2 shows that two string packing containers, every string is made of several packing containers 10.Last figure is depicted as a string tetrahedron packing container 10, and figure below is depicted as a string cushion packing container 10.Also pointed out the sealing area 14 between the packing container 10 among the figure.
Packing container 10 is made by the packaging material of laminate form, and laminated material comprises, for example, and refill layer and plastic outer layer.This laminated material also can comprise the oxygen separation layer such as aluminium foil.Replacedly, the packaging material of the laminate form that is made of plastic layer of packing container 10 are made.Preferably, different layers shows different hardness.Material in each layer can be that polyethylene or polypropylene etc. are dissimilar, and one or more layers can be the oxygen separation layers.
Fig. 3 shows the embodiment at the used punching cutter 24 of 14 dozens of tear lines of sealing area 22.Punching cutter 24 is provided with a plurality of pointed tooths 26.Tooth 26 is a triangle, and has sharp edges.Preferably, tooth 26 evenly distributes along punching cutter 24 extensions.
Form tear line 22 in order to punch, the punching cutter can be arranged on arbitrary correct position on the packing machine, and this position can be corresponding with the sealing area between the packing container 10.Preferably, punching cutter 24 is arranged in the slit between the sealing strip of two routines, and these two sealing strips are arranged on an example of pipe.In addition, punching cutter 24 is orientated as, and is substantially parallel with sealing area 14, that is to say, the punching cutter (along its length direction) extension parallel with sealing area 14, the plane perpendicular of the direction of tooth 26 and sealing area 14 and with tear line on same straight line.
Under the situation of tetrahedron packing container, preferably, two punching cuttves 24 that have as above to be located.This means that they locate with being perpendicular to one another.The first punching cutter punches at first sealing area, and the second punching cutter then punches at next sealing area (perpendicular with first sealing area).
The punching cutter is included in the perforating device of packing machine.Except that the punching cutter, perforating device also is included in the device that relative motion is provided between package lamina material sealing area and the punching cutter, and like this, the tooth 26 of punching cutter 24 just can cut package lamina material along tear line 22.Among the described here embodiment, punching cutter 24 is suitable for moving towards sealing area 14, that is, when punching 20 time, a string packing container 10 maintenances are motionless.
In order to realize this relative motion, this device comprises the cutter holder gripping member 28 with slit, and punching cutter 24 is fixed in the slit by pin 30.Holder 28 is connected on the device that has bar 32, bar 32 be connected to by 36 on spring around pair of hydraulic cylinders.This device is connected on the appropriate point of filling machine, can produce motion by promote the cutter holder gripping member towards laminated material.After the laminated material punching was finished, spring 36 helped punching cutter 24 to return its original position.
Figure 4 shows that, penetrated and packed the laminated material punching cutter 24 of (the individual layer profile is although it comprises the several materials layer).From figure, understand easily,, can change the depth of cut of punching cutter 24 by the sealing area 14 of the container 10 that changes package and the distance of the relative motion between the cutter 24 of punching.And then depth of cut has determined the length in hole 20.
Speech " depth of cut " should be defined as, and tooth 26 exterior points begin the distance that moved when cutting action stops from its outer surface that is positioned at sealing area 14." depth of cut " represented with dc in Fig. 4.The arrow moving direction of cutter 24 of representing to punch among the figure.
Little depth of cut d cTo produce the long d in shorter hole p, and longer depth of cut d cTo produce than the long d of slotted hole pAnd the short length of material d between the hole mFig. 5 shows the depth of cut d bigger than Fig. 4 c
Method of the present invention comprises adjusts hole 20 to adapt to package lamina material, that is to say, the length in hole 20 should be corresponding with material between the hole, both can make the consumer be easy to packing container 10 is torn each other, and can make the intensity of bunchiness packing container 10 be enough to be suspended on market last purposes of stall again as displaying.
By providing, for example aforesaid punching cutter 24 that has pointed tooth 26, and the depth of cut d of adjustment punching cutter 24 c, can determine to be formed on the long d in hole on the package lamina material pFor different laminated materials, can test out suitable depth of cut d c, when the material on the replacing packing machine, perforating device can easily be adjusted to another depth of cut d c
By adjusting the distance of relative motion between packing container sealing area and the punching cutter, can realize this adjustment.And then can determine depth of cut d c
By the setting of the machine of changing package, can transport row adjustment to moving relatively.
It will be apparent to those skilled in the art that the present invention is not limited to the foregoing description, and can comprise various variations and the replacement that under the prerequisite that does not deviate from the claims spirit and scope, can release.
The zone that includes the tear line of longitudinal sealing has the thickness of double layer material.When tearing, need bigger power to that zone.For fear of the bigger power of needs, can change the structure in the hole on this zone, for example, if increase the length in the hole on this zone make between the hole material still less, then be easier to tear.In order to reach this purpose, the corresponding punching cutter cutter tooth on the longitudinal sealing zone can have other structure, and for example, the angle of tooth can increase or interdental space can reduce.
The device that produces relative motion certainly has the above-mentioned another kind of mode that is different from.At present, existing being used for the punching cutter towards the part that will cut or punch and mobile a large amount of devices.

Claims (9)

1. one kind is connecting the method for upward beating tear line (22) hole by the sealing area (14) of made two packing containers (10) of package lamina material, and described hole (20) are suitable for described package lamina material, comprising:
Punching cutter with a plurality of pointed tooths (26) (24) is provided; And
Adjust the depth of cut (d of punching cutter (24) c), thereby the length (d in formed described hole (20) on definite package lamina material p).
2. method according to claim 1, comprise by the laminated material sheet and make described packing container (10), described laminated material sheet is made tubulose earlier, thereby a longitudinal edge and another longitudinal edge of described material piece are bonded together, then, after in pipe, filling required filler, along the sealing area (14) of transverse sealing space.
3. according to claim 1 and 2 described methods, comprising:
The punching cutter provides the sealing area (14) of described packing container (10) and the relative motion between the described punching cutter (24), so that can cut in the into described package lamina material; And
Adjust the distance of described relative motion, thereby determine depth of cut (d c).
4. according to each the described method in the aforementioned claim, comprise, locating described punching cutter (24) makes it substantially parallel with described sealing area (14), the plane of the direction of described tooth (26) and described sealing area (14) meets at right angles substantially, and with described tear line (22) point-blank.
5. according to each the described method in the aforementioned claim, comprise, along described punching cutter (24) and a plurality of triangle pointed tooths of spaced set (26).
6. go up the device of beating tear line (22) hole at the sealing area (14) that connects by made two packing containers (10) of package lamina material for one kind, the generation type of described hole (20) makes the length (d in described hole (20) p) adapt with described package lamina material, comprising:
Punching cutter (24) has a plurality of pointed tooths (26); And
A kind of device is used to provide the sealing area of described package lamina material and the relative motion between the described punching cutter (24), thereby the tooth (26) of described punching cutter (24) can be with selected depth of cut (d c), along described tear line (22), and cutting is advanced in the described package lamina material.
7. device according to claim 6, wherein, described punching cutter (24) is suitable for moving towards described sealing area (14), thus the described selected depth (d of described package lamina material is advanced in cutting c).
8. according to claim 6 and 7 described devices, wherein, described punching cutter (24) is orientated as, and is substantially parallel with described sealing area (14), the plane of the direction of described tooth (26) and described sealing area (14) meets at right angles substantially, and with described tear line (22) point-blank.
9. according to each the described device in the aforementioned claim, wherein, described punching cutter (24) is provided with equally distributed a plurality of triangle pointed tooths (26) along its extension.
CN 200610127753 2006-07-19 2006-09-01 Perforating device and method for packaging laminated materials Pending CN101108542A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0601578 2006-07-19
SE06015788 2006-07-19

Publications (1)

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CN101108542A true CN101108542A (en) 2008-01-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015086209A1 (en) * 2013-12-09 2015-06-18 Tetra Laval Holdings & Finance S.A. Knife for a filling machine, cutting device comprising said knife and kit of parts comprising said knife
CN113854776A (en) * 2021-11-11 2021-12-31 广州市联柔机械设备有限公司 Detachable bagged spring string manufacturing equipment and method, and spring string and bed core thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015086209A1 (en) * 2013-12-09 2015-06-18 Tetra Laval Holdings & Finance S.A. Knife for a filling machine, cutting device comprising said knife and kit of parts comprising said knife
CN113854776A (en) * 2021-11-11 2021-12-31 广州市联柔机械设备有限公司 Detachable bagged spring string manufacturing equipment and method, and spring string and bed core thereof

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Application publication date: 20080123