CN101670669B - Method for manufacturing linking tape and manufactured linking tape - Google Patents
Method for manufacturing linking tape and manufactured linking tape Download PDFInfo
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- CN101670669B CN101670669B CN2008101609026A CN200810160902A CN101670669B CN 101670669 B CN101670669 B CN 101670669B CN 2008101609026 A CN2008101609026 A CN 2008101609026A CN 200810160902 A CN200810160902 A CN 200810160902A CN 101670669 B CN101670669 B CN 101670669B
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- linking tape
- buckling piece
- mold drum
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- peripheral surface
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a method for manufacturing a linking tape and the manufactured linking tape. The linking tape is a mushroom head fastening linking tape. The method of the invention comprises the following two stages: in a first stage, manufacturing the linking tape on which a plurality of clasp prototypes with substantially V-shaped free ends are formed; and then in a second stage, wheel-pressing the V-shaped free ends of the clasp prototypes of the linking tape into substantially polygonal head ends through wheel-pressing processing so as to form the mushroom head fastening linking tape which has high buckling efficiency, long service life, capability of providing a directionless uniform linking function, and high reliability.
Description
Technical field
The manufacturing approach of the relevant a kind of linking tape of the present invention more clearly is the manufacturing approach of a relevant a kind of mushroom fastener linking tape and the made linking tape with mushroom fastener.
Background technology
The securing member of hook and ring (hook-and-loop) formula is a kind of known fastener types and is widely used in each field of adhesive buckle demand, such as clothes, knapsack, finishing wire or the like.Hook and ring fastener mainly be by one be formed with a plurality of fasteners on it linking tape and the webbing that is formed with a plurality of fabric rings on it constitute and interlock through fastener and fabric ring/separate the effect that reaches adhesive buckle/disengaging.
Shown in Fig. 1 a and Fig. 1 b, the manufacturing approach of linking tape has comprised haply: thermoplastic raw material 1 is added in the plastics extruding machine 2; The plastics of fusion are injected into the die cavity 4 on a plurality of outer circumference surfaces that are formed on a mold drum 3 from extruding machine; Through mold drum cooling back use demoulding cylinder 5 linking tape that is formed with a plurality of small projecting bars 6 on it 7 is pulled away from mold drum; And use shaping roller 8 free end of small projecting bar to be moulded the buckling piece 9 of the shape of being wanted.
Fig. 2 a-Fig. 2 b and Fig. 3 a-Fig. 3 b demonstrate the structure of two kinds of known mushroom buckling pieces respectively, and wherein Fig. 2 a-Fig. 2 b demonstrates by cylindrical protruded stigma (the globular model mushroom buckling piece (Fig. 2 b) that Fig. 2 a) forms; And Fig. 3 a-Fig. 3 b demonstrates by quadrangular prism shape protruded stigma (the oval capitiform mushroom of the length that Fig. 3 a) a forms buckling piece (Fig. 3 b).Though the mushroom of these two a kinds of capitiforms buckling piece can both reach the adhesive buckle function of certain effect, they also have shortcoming separately.For example, the globular model buckling piece shown in Fig. 2 a-Fig. 2 b when fastening with the fabric ring, but because of its slick and sly periphery does not provide the coign of fastener fabric ring, cause effective fastening rate of buckling piece and fabric ring on the low side, and the hypodynamic shortcoming of adhesive buckle arranged.In addition; This type of globular model buckling piece only can form effective fastening when the fabric ring is nested in the rounded nose fully; Though this kind fastens very certain adhesive buckle can be provided, true regular meeting breaks destruction with the fabric ring that fastens when separation, therefore after using for several times, promptly can and make the adhesive buckle ability of linking tape and fabric ring sharply reduce because of the destroyed ratio increase of fabric ring; Even become and have no the adhesive buckle effect, thereby too short shortcoming in service life is arranged.
Though the oval capitiform mushroom of the length shown in a Fig. 3 a-Fig. 3 b buckling piece can form effective clasp at the two ends and the fabric loop circle of its oval major axis; And fastening rate and the bigger adhesive buckle strength higher than above-mentioned globular model buckling piece can be provided; But; Because the buckling piece of this type only forms effective clasp at the two ends and the fabric loop circle of its oval major axis; Therefore also can only effective adhesive buckle strength be provided on the oval long axis direction being parallel to, and effective fastening that can provide on perpendicular to the direction of oval long axis direction is just relatively limited.In other words, the adhesive buckle effect of buckling piece of this type and fabric ring is directive, and comprehensive, direction-free uniform adhesive buckle effect can not be provided.Therefore, when the fastening of the buckling piece of this type and fabric ring receive specific direction (as, perpendicular to the direction of oval long axis direction) external force the time, can cause the situation of accidental release, thereby produce the not enough problem of this type of buckling piece reliability.
Because the problems referred to above of an existing mushroom buckling piece, the linking tape industry has high fastening rate, long service life and direction-free uniform adhesive buckle effect can be provided and the method for the mushroom buckling piece linking tape that reliability is high and a mushroom buckling piece linking tape exist demand for producing.
Summary of the invention
One of the object of the invention is for to provide a kind of can producing to have high adhesive buckle rate, long service life and direction-free uniform adhesive buckle effect can be provided and the method for the mushroom buckling piece linking tape that reliability is high; This purpose can be reached by a kind of process for manufacturing linking tape, and this method comprises:
One rotating mold drum is provided, and its external peripheral surface is provided with a plurality of die cavity and set inside one cooling devices that roughly become the Y type;
Provide one have an injection nozzle extruding machine, this injection nozzle is configured to be close to the external peripheral surface of this mold drum and a gap is arranged between the external peripheral surface of this injection nozzle and this mold drum;
The supply thermoplastic is to this extruding machine, and lets this thermoplastic in this extruding machine, be melted and penetrated to the external peripheral surface of this mold drum and be injected in the die cavity by this injection nozzle;
The plastics of cooling on the external peripheral surface of this mold drum and in die cavity have a plurality of buckling piece blockers and are formed on the linking tape on the surface thereof in order to form one, wherein each clasp blank all have one roughly become V-type free end;
This linking tape is peeled off from this mold drum; And
This linking tape is presented through a pair of wheel load roller; The wheel load roller that wherein contacts with the V-type free end of this clasp blank is heated above on the temperature of this plastics plastic deformation to become in order to the V-type free end distortion with the enough part blanks of each button and roughly becomes polygonal buckling piece head, has a mushroom buckling piece of polygonal head so as to formation.
According to one embodiment of the invention, the plane that this buckling piece blank is formed two yokes that comprise the free-ended V font of this V-arrangement is to be parallel to this linking tape to be fed the direction through the wheel load roller.
Another purpose of invention is that an a kind of mushroom buckling piece linking tape of processing with said method is provided.
Description of drawings
Fig. 1 a-Fig. 1 b be a sketch map its show a traditional linking tape manufacturing equipment.
Fig. 2 a and Fig. 2 b schematic perspective view for amplifying, it shows a kind of known mushroom buckling piece structure.
Fig. 3 a and Fig. 3 b schematic perspective view for amplifying, it shows an another kind of known mushroom buckling piece structure
Fig. 4 is the adhesive buckle manufacturing equipment of its demonstration of a sketch map according to one embodiment of the invention.
Fig. 5 is that a part is amplified schematic perspective view, its show clasp blank on the linking tape of the present invention before handling through wheel load with processing after structure.
The specific embodiment
Refer now to the mushroom buckling piece linking tape that Fig. 4 and embodiment shown in Figure 5 explain method of the present invention and manufacturing.
Fig. 4 is that its demonstration of a sketch map is used for the linking tape manufacturing equipment 10 of method of embodiment of the present invention.This equipment 10 mainly comprises rotating mold drum 20, one extruding machines, 30, one demoulding rollers 40 and a pair of pressure roller 50 and 52 of taking turns.This mold drum 20 has a plurality of die cavitys 22 that roughly become the Y font and is formed on its external peripheral surface and in this mould cylinder interior and is provided with the cooling device (not shown), for example a cooling water recirculation system.This extruding machine 30 comprise a melting stock chamber 32 around it around heater coil 33; One be arranged on an end of this melting stock chamber the injection nozzle 36 that operationally is connected with the other end of this melting stock chamber of head tank 34 and, this injection nozzle 36 be configured to be close to this mold drum 20 external peripheral surface and and this external peripheral surface between form a spacing.This spacing can change through the distance of adjustment with respect to this external peripheral surface.
When the method for embodiment of the present invention; But at first (for example with the plastics of pyroplastic deformation; Polyethylene) sends in the extruding machine 30 by head tank 34; Plastics heating (for example, being heated to about more than 235 ℃) via heater coil in melting stock chamber 32 is melted, and penetrates the plastics of fusing to the external peripheral surface of this mold drum 20 via injection nozzle 36 then and is injected in the die cavity 22.After the cooling curing of plastics on the external peripheral surface of this mold drum 20 and in die cavity 22 through the cooling device of mold drum 20; Become a linking tape 60 through the drawing of this demoulding roller 40 with these mold drum 20 disengagings, this linking tape 60 has a ground 62 and an a plurality of lip-deep clasp blank 64 that is molded in this ground integratedly.This linking tape 60 then is fed through a pair of and takes turns between the pressure roller 50,52.
As shown in Figure 5, in this embodiment, each clasp blank 64 be formed a polygonal column shape protruded stigma (as, one shown in the figure be the protruded stigma of rectangularity post roughly) and comprise the free end 68 that a bar portion 66 and roughly becomes the V font.In addition, in the embodiment shown in fig. 5, the plane that clasp blank 64 is formed two branch yokes that comprise its V font free end 68 is to be parallel to linking tape to be fed the direction D through the wheel pressure roller.
This cylinder 50 that wheel is contacted with clasp blank 64 in the pressure roller 50,52 is heated and remains on and can let the temperature (for example, being 130 ℃ in poly example) of this plastics plastic deformation.In addition, wheel be formed with between the pressure roller 50,52 one can supply linking tape to pass through the gap, this gap is adjustable, makes the distance in this gap add the sum total of this clasp blank height less than the ground thickness of this linking tape.Whereby, in the time of between this linking tape 62 is through wheel pressure roller 50,52, the V-arrangement free end 68 of clasp blank 64 can by wheel press to one roughly become polygonal (as, be octagonal in an illustrated embodiment) head 68 ', as shown in Figure 5.
Owing to have polygonal head, thereby can provide a plurality of and can form the coign that effectively hooks together with the fabric loop circle according to method of the present invention produced buckling piece, and then the adhesive buckle rate of raising and fabric ring and produce careful adhesive buckle effect.Again, because buckling piece of the present invention is to hook together with the fabric ring with the coign of polygonal head, thus the destruction that when breaking away from, can't cause the fabric ring, thereby can prolong service life of linking tape.In addition; Polygonal head of buckling piece of the present invention all has in each orientation in fact to be provided and can form the coign that effectively hooks together with the fabric loop circle, and therefore the fastening of linking tape of the present invention and fabric ring is comprehensive in fact, as not have directionality fastening effect.
Though manufacturing approach of the present invention and linking tape explain with reference to preferred embodiment shown in the drawings in preceding text that this does not represent that the present invention only is confined to described in the preceding text and structure and the operation shown in the accompanying drawing.In fact, under the principle and spirit of preceding text disclosure institute teaching, the present invention can have various modification and variation.For example, a radiator cooler (for example, a cooling fan) can be set at the position radially opposite with this injection nozzle 36 of this mold drum 20, in order to provide the linking tape on this mold drum extra cooling effect.Modification that all these are possible and variation all drop in the true scope of the present invention that is defined by following the application's claim scope.
Claims (6)
1. process for manufacturing linking tape, this method comprises:
One rotating mold drum is provided, and its external peripheral surface is provided with the die cavity and set inside one cooling device of a plurality of one-tenth Y types;
Provide one have an injection nozzle extruding machine, this injection nozzle is configured to be close to the external peripheral surface of this mold drum and a gap is arranged between the external peripheral surface of this injection nozzle and this mold drum;
The supply thermoplastic is to this extruding machine, and lets this thermoplastic in this extruding machine, be melted and penetrated to the external peripheral surface of this mold drum and be injected in the die cavity by this injection nozzle;
Cool off the plastics on the external peripheral surface of this mold drum and in die cavity with this cooling device; Have a plurality of buckling piece blockers and be formed on the linking tape on the surface thereof in order to form one; Wherein each clasp blank all is formed the protruded stigma of a polygonal column shape, comprises the free end that a bar portion and roughly becomes the V font;
This linking tape is peeled off from this mold drum; And
This linking tape is presented through a pair of wheel load roller; The wheel load roller that wherein contacts with the V-type free end of this clasp blank is heated above on the temperature of this plastics plastic deformation and the distance between two-wheeled nip drum can be adjusted; V-type free end wheel load distortion in order to each buckling piece blank becomes the polygonal buckling piece head in the continuous plane of full slice system; Wherein the continuous polygonal buckling piece head in plane of this full slice system is formed with in a plurality of orientation and can forms the coign that effectively hooks together with the fabric loop circle; The buckling piece head can form comprehensive, as not have directionality fastening effect with the fabric loop circle, has a mushroom buckling piece of polygonal head so as to formation.
2. process for manufacturing linking tape as claimed in claim 1 is characterized in that the plane that this buckling piece blank is formed two yokes that comprise the free-ended V font of this V-type is to be parallel to this linking tape to be fed the direction through the wheel load roller.
3. process for manufacturing linking tape as claimed in claim 1 is characterized in that the gap between the external peripheral surface of this injection nozzle and this mold drum is adjustable.
4. process for manufacturing linking tape as claimed in claim 1 is characterized in that with the step that this linking tape is peeled off from this mold drum it being to be implemented by a rotating demoulding roller.
5. process for manufacturing linking tape as claimed in claim 1 is characterized in that also comprising and provides one at the outside radiator cooler of this mold drum, in order to the external peripheral surface to this mold drum extra cooling is provided.
One kind the mushroom buckling piece linking tape; It is characterized in that it being to make and comprise a ground and an a plurality of lip-deep buckling piece that is formed on this ground with the described process for manufacturing linking tape of claim 1; Wherein each buckling piece has the continuous plane polygonal head of full slice system that a bar portion and is formed on bar portion top, and wherein the continuous plane polygonal head of this full slice system is formed with in a plurality of orientation and can forms the coign that effectively hooks together with the fabric loop circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101609026A CN101670669B (en) | 2008-09-12 | 2008-09-12 | Method for manufacturing linking tape and manufactured linking tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101609026A CN101670669B (en) | 2008-09-12 | 2008-09-12 | Method for manufacturing linking tape and manufactured linking tape |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101670669A CN101670669A (en) | 2010-03-17 |
| CN101670669B true CN101670669B (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101609026A Active CN101670669B (en) | 2008-09-12 | 2008-09-12 | Method for manufacturing linking tape and manufactured linking tape |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371682A (en) * | 2010-08-23 | 2012-03-14 | 台湾百和工业股份有限公司 | Method and equipment for directly forming ejection hook on textile fabric substrate and product |
| CN110253913A (en) * | 2019-06-14 | 2019-09-20 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | A kind of production method of tunnel self-adhesion drainable waterproofing plate splicing tape |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1244834A (en) * | 1997-01-09 | 2000-02-16 | 明尼苏达矿业和制造公司 | Method and apparatus for capping stem fasteners |
| CN1062512C (en) * | 1997-08-20 | 2001-02-28 | Ykk株式会社 | Integrally molded surface fastener |
| US6635212B1 (en) * | 1990-09-21 | 2003-10-21 | 3M Innovative Properties Company | Mushroom-type hook strip for a mechanical fastener |
| CN1541073A (en) * | 2001-06-04 | 2004-10-27 | 维尔克鲁工业公司 | Fasteners engageble with loops of nonwoven fabrics and the like, and methods and machines for making fasteners |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7794559B2 (en) * | 2000-03-14 | 2010-09-14 | Velcro Industries B.V. | Forming fastening projections on rigid substrates |
-
2008
- 2008-09-12 CN CN2008101609026A patent/CN101670669B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6635212B1 (en) * | 1990-09-21 | 2003-10-21 | 3M Innovative Properties Company | Mushroom-type hook strip for a mechanical fastener |
| CN1244834A (en) * | 1997-01-09 | 2000-02-16 | 明尼苏达矿业和制造公司 | Method and apparatus for capping stem fasteners |
| CN1062512C (en) * | 1997-08-20 | 2001-02-28 | Ykk株式会社 | Integrally molded surface fastener |
| CN1541073A (en) * | 2001-06-04 | 2004-10-27 | 维尔克鲁工业公司 | Fasteners engageble with loops of nonwoven fabrics and the like, and methods and machines for making fasteners |
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| Publication number | Publication date |
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| CN101670669A (en) | 2010-03-17 |
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