CN1076404A - The manufacture method of continuous multilayered net cloth - Google Patents
The manufacture method of continuous multilayered net cloth Download PDFInfo
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- CN1076404A CN1076404A CN 92101581 CN92101581A CN1076404A CN 1076404 A CN1076404 A CN 1076404A CN 92101581 CN92101581 CN 92101581 CN 92101581 A CN92101581 A CN 92101581A CN 1076404 A CN1076404 A CN 1076404A
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Abstract
A kind of manufacture method of continuous multilayered net cloth, principal character is to form two nethike embrane layers respectively with two membrane forming devices, wherein a nethike embrane layer has the net bar of vertical transport direction, and another nethike embrane layer produces the net bar that is parallel to throughput direction, the parallel side by side conveying of two nethike embrane layers, and meet in the laminater, the mat laminater engages two nethike embrane layers fixing up and down, have the multilayered net cloth of crisscross net bar so that the formula continous way that links up ground operation produces one, thereby improve the output of product.
Description
The present invention relates to a kind of manufacture method of nethike embrane, be meant a kind of continous way manufacturing installation that utilizes especially, to improve product yield and to keep the manufacture method of product with stable quality.
Plastic net film cloth mainly is to make netted film cloth by plastic raw materials, multilayered net cloth toughness is good, with low cost, purposes is also very extensive, for example: can be used as the packaging bag of packaging fruit, the orchid that keeps the sun off with the sand block in curtain, construction place, stone net etc., so requirement also increases thereupon; The present invention is improved at the method for making of above-mentioned multilayered net cloth, is beneficial to the operation of automation continous way, and then improves the output and the economy of product.
Fig. 1 is a manufacturing process of making multilayered net cloth at present; Mainly be banded film 101 to be made in plastic raw materials (for example: PEF, polypropylene etc.) injection with injection (mo(u)lding) machine 11, again banded film 101 is carried and cut out the interrupted perforation that a rule is parallel to throughput direction through a vertical cutting knife 12, then, banded film 101 is sent to longitudinal extension machine 13, difference through speed between longitudinal extension machine 13 rollers, above-mentioned banded film 101 is carried out longitudinal extension, to be drawn into the nethike embrane layer 102 of suitable thickness.
Fig. 2 and for example, above-mentioned nethike embrane layer 102 is after manufacturing, can on finished product, form rule net bar 103 longitudinally, and in order to increase the intensity of product, be the best with crisscross net bar during fabrication, therefore, must be with two nethike embrane layers 102 with longitudinal network bar, 102 ' carry out lamination, just can produce the good multilayered net cloth of toughness, and in above-mentioned lamination operation, with present manufacture method is with the nethike embrane layer 102 lateral transfer displacement behind a slice longitudinal extension wherein, nethike embrane layer 102 behind another sheet longitudinal extension ' then vertically carry displacement, when the lamination section 1021 of unidirectional network rete 102 and another unidirectional network rete 102 ' lamination section 1021 ' overlaid the time, impose lamination operation (heat and pressing) again, make its two laminations section 1021 and 1021 ' on, overlapping down, afterwards with lamination section 1021 ' cut-out, just can form the multilayered net cloth 10 that a section surface has crisscross net bar; In like manner, after above-mentioned nethike embrane layer 102 continues displacement to the right, and another nethike embrane layer 102 ' lamination section 1022 ' more forward during displacement, two lamination sections 1022 and 1022 ' promptly can be overlapping once again, impose equally afterwards the lamination operation just can make nethike embrane layer 102 ' another lamination section 1022 ' be fixed on once again on the nethike embrane layer 102, so, pass through the bonding of a section lamination section, just can produce strip multilayered net cloth 10 with crisscross net bar; Just so-called multilayered net cloth method for making, in fact, exactly with nethike embrane layer 102 ' be cut into a bit of, (need smear one deck sticker in the middle of the two nethike embrane layers 102,102 ' when lamination, mainly be to make wherein a slice nethike embrane layer 102 or 102 ' flow through earlier glue groove and glue in its surface) of being fixed in again on the nethike embrane layer 102 of another strip and forming.
The manufacture method of above-mentioned multilayered net cloth is currently used mode, and its shortcoming has two:
(1) can't make at a high speed: be to have longitudinal network bar nethike embrane layer with two to send by the direction of 90 degree angles respectively when multilayered net cloth is made in the past, wherein a nethike embrane layer is cut into a section with wide segment again, carry out lamination in one section one section fixing mode, therefore, coming from longitudinally the nethike embrane layer must back and forth send, on efficient, can't link up, naturally hindering the high speed of manufacturing carries out, in addition, the cut-out operation of above-mentioned vertical multilayered net cloth also has the carrying out of umbilical dystocia product, so that can't linking up work continuously.
(2) the product density uniformity is relatively poor: multilayered net cloth during fabrication in the past, be actually a section nethike embrane laminating of vertically carrying is combined on the nethike embrane layer of another lateral transfer, the operation of above-mentioned each applying, lamination has deviation will influence the uniformity of product slightly, and each lamination operation also must align, otherwise product quality uncontrollable evenly (having the overlapping region produces), therefore, the manufacture method of multilayered net cloth can't link up in the past not only influences the output of product, also causes the not good situation of the product uniformity easily.
Therefore, main purpose of the present invention provides a kind of coherentization of manufacturing, the manufacture method of the continuous multilayered net cloth that the product uniformity is good.
Principal character of the present invention is to form two nethike embrane layers respectively with two membrane forming devices, the stratum reticulare of a nethike embrane layer wherein with vertical transport direction, and another nethike embrane layer produces the net bar of throughput direction abreast, the parallel side by side conveying of two nethike embrane layers, and meet in the laminater, through laminater two nethike embrane layers are engaged up and down fixing so that link up formula continuously operation produce one and have the multilayered net cloth of the staggered net bar of longitudinal mode, thereby improve the output of product.
That is to say that the present invention proposes a kind of continuous multilayered net cloth manufacture method, it is characterized in that:
Utilize two membrane forming devices, two nethike embrane layers of moulding respectively, wherein a nethike embrane layer has the net bar that is parallel to throughput direction, then is formed with the net bar perpendicular to throughput direction on another sheet nethike embrane layer;
Parallelly be delivered to behind the laminater upper and lower bondingly mutually, fixing with two nethike embrane layers are upper and lower respectively, form multilayered net cloth with crisscross net bar.
Described two membrane forming devices are respectively: go up membrane forming device and a following membrane forming device for one.
Last membrane forming device includes: two injector, a die head, a mold roller, a vertical cutting knife and a longitudinal extension machine; Wherein, in two injector, fuse plastic raw materials and sticker raw material respectively, heating injects via die head and forms the banded film of preset width through injector for above-mentioned plastic raw materials, and the sticker raw material adds then that heating also is to be penetrated by die head in another injector; When banded film is injected into type at the die head place, can be infected with the sticker raw material in its downside, can produce cooling during through the mold roller, solidify phenomenon when banded film again, cooled banded film must be again cuts through vertical cutting knife, have the online rete of longitudinal network bar with formation; The online rete extends through the longitudinal extension machine again, provides use to reach predetermined thickness.
Plastic raw materials is the PEF (PE) in the thermoplastic plastic.
Also can be that plastic raw materials is the polypropylene (PP) in the thermoplastic plastic.
Also can be that plastic raw materials is the polyester (PET) in the thermoplastic plastic.
The heating-up temperature of injector is about 250-270 ℃.
The temperature of mold roller is 25-38 ℃.
The extension ratio of longitudinal extension machine is 5-6 times, and elongating temperature is 130 ℃.
Vertically cutting knife is the cylinder shape, is formed with a plurality of blades perpendicular to axis in cylinder surface.
Following membrane forming device comprises: two injector, a die head, a mold roller, a horizontal cutting knife, a horizontal expansion machine; Wherein, in two injector, fuse plastic raw materials and adherence raw material respectively, plastic raw materials is made banded film through injector and die head injection, and the adherence raw material also comes together in the exit of die head through injector and with banded mould, then through the cooling of mold cylinder, curing, cooled banded film cuts through horizontal cutting knife again, forms the off line rete that the surface has horizontal net bar; Above-mentioned off line rete passes through the extension of horizontal expansion machine again, to produce the off line rete of suitable thickness, width.
Laterally cutting knife is the cylinder shape, is formed with a plurality of blades that parallel to the axis in cylinder surface.
The temperature of horizontal expansion machine is about between 120-140 ℃, and extension ratio is 5-6 times.
Laminater includes: two heating arrangements and a press structure, and wherein, two heating arrangements heat two nethike embrane layers respectively, and the press structure is pressing and fixing two nethike embrane layers then.
The required temperature of the heating arrangements of laminater is 130-140 ℃.
For realizing above-mentioned technological means and effect thereof, now enumerate preferred embodiment and conjunction with figs., after being described in more detail in, wherein accompanying drawing is respectively:
Fig. 1 is a kind of to live the manufacturing flow chart of multilayered net cloth;
Fig. 2 is a kind of lamination of multilayered net cloth in the past schematic diagram;
Fig. 3 is the manufacturing flow chart () of the embodiment of the invention;
Fig. 4 is that the vertical cutting knife of the embodiment of the invention uses schematic diagram;
Fig. 5 is that the horizontal cutting knife of the embodiment of the invention uses schematic diagram;
Fig. 6 is an embodiment of the invention lamination operation schematic diagram;
Fig. 7 is the manufacturing flow chart (two) of the embodiment of the invention.
At first, see Fig. 3, the device of the manufacture method that the present invention proposes comprises: go up membrane forming device 100, following membrane forming device 200, laminater 300 and devices for taking-up 400.Wherein, last membrane forming device 100 includes: two injector 210,220, die head 310, mold roller 410, vertical cutting knife 5 and longitudinal extension machines 6; In two injector 210,220, fuse raw material 51 respectively and inject the plastics and the sticker raw material 61 of film shape, above-mentioned plastic raw materials 51 can be the thermoplasticity raw material, for example: the PE(PEF), the PP(polypropylene), the PET(polyester) etc., the thermoplasticity raw material mainly is through injector 210 heating, banded film 31 through die head 310 injections formation preset width, another sticker raw material 61 then adds another injector 220 heating, penetrate the about 250-270 of heating-up temperature of above-mentioned two injector 210,220 ℃ through die head 310 again; When banded film 31 is injected into type at die head 310 places, can be infected with the sticker raw material 61 that is penetrated in its downside, and when banded film 31 passes through mold rollers 410, because of the temperature of mold roller 410 about 25-38 ℃, therefore, can the banded film of carrying 31 be cooled off, solidify, cooled banded film 31 must be again through vertical cutting knife 5, with the operation of vertically cutting.
Above-mentioned vertical cutting knife 5 is to roll cylindrical body, and as Fig. 3, shown in 4, cylinder surface is formed with a section strip concave surface 58 perpendicular to axis, and concave surface 58 both sides then form sharp keen blade 59; Therefore, when banded film 31 ground vertical cutting knife 5 and location cylinder 53, can cut out the desultory through hole 32 of a rule on its surface, and form the online rete 3 that the surface has the longitudinal network bar.
After online rete 3 is via cutting, pass through longitudinal extension machine 6 again, elongating temperature is 130 ℃, and longitudinal extension machine 6 is by many series cylinder 61 combined forming, and is wherein very fast near cylinder 6110 rotating speeds of the port of export, and the cylinder 6120 that is positioned at the entrance point place is slower, through the speed difference of two front and back cylinders 61, can carry out longitudinal extension to online rete 3 and draw thinly, and extension ratio is about 5-6 doubly, afterwards, the rete 3 of will surfing the Net is delivered to downwards and prepares to carry out lamination processing in the laminater 300.
Again, down membrane forming device 200 of the present invention includes: two injector 23,24, die head 320, mold roller 420, laterally cutting knife 7, horizontal expansion machine 8; In two injector 23,24, fuse plastic raw materials 52 and adherence raw material 62 respectively, above-mentioned plastic raw materials 52 is injected through injector 23 and is made banded film 41, and adherence raw material 62 also passes through injector 24, after two plastic raw materials 52 compile in the exit of die head 320 with adherence raw material 62, again through mold cylinder 420 coolings, fixing.The above-mentioned steps all method for making with online rete 3 is identical, and different is: adherence raw material 62 is banded film 41 tops that are positioned at without extending, and banded film 41 must cut through horizontal cutting knife 7 again.
Above-mentioned horizontal cutting knife 7 also is a cylinder shape, sees shown in Figure 5ly, and cylinder surface is arranged with a section strip concave surface 71, and concave surface 71 is parallel to the axis of cylinder, is formed with two sharp keen blades 72 in concave surface 71 both sides; Therefore, after banded film 41 ground between horizontal cutting knife 7 and the positioning roller 73, on banded film 41 surfaces, can cut out the desultory through hole 42 of a rule, and form the off line rete 4 that the surface has horizontal net bar.
Above-mentioned off line rete 4 through transverse cuts passes through the extension of horizontal expansion machine 8 again, temperature is between 120-140 ℃, horizontal expansion machine 8 mainly is to utilize the anchor clamps gripping to carry out horizontal expansion, off line rete 4 width after the extension equate (the about 5-6 of its extension ratio doubly) with online rete 3, therefore, during fabrication, the banded film 31 that banded film 41 width that injected by injector 23 are injected by injector 210 is little, so, both are again through being beneficial to lamination with wide after together vertical or the horizontal expansion; Be delivered to above-mentioned heater 300 too with the processing of heating, lamination through the off line rete 4 that extends with advancing.
As Fig. 6, shown in 7, laminater 300 of the present invention includes: 3001,3002 and pressing devices 3003 of two heating arrangements, therefore, after carrying vertically downward, can heat through heating arrangements 3001 earlier online rete 3, the off line rete 4 of another parallel conveying then can pass through another heating arrangements 3002, the heating-up temperature of above-mentioned heating arrangements 3001,3002 is about between 130-140 ℃, afterwards, both synchronous more parallel conveyings, and carry out pressing and make its combination through press structure 3003 simultaneously, so just can produce multilayered net cloth with crisscross net bar; In addition, the surf the Net sticker raw material 61 of rete 3 of the present invention is positioned at the below after being delivered to laminater 300, the sticker raw material 62 of off line rete 4 then is positioned at the upper strata, therefore, behind heating, lamination, two sticker raw materials 61,62 are understood bonding and are formed firm combination again; Above-mentioned multilayered net cloth again by the batching of devices for taking-up 400, just can be made into the identical multilayered net cloth of volume width after manufacturing.
The present invention is the upper and lower nethike embrane layer that utilizes two membrane forming devices to produce respectively to have mutually perpendicular direction net bar, parallel again synchronous transport is carried out lamination to laminater 300, and produce multilayered net cloth with crisscross net bar, therefore, above-mentioned manufacture method has advantage as described below when producing:
(1) coherent equalization, raising output: the present invention is during fabrication as long as be incorporated in two injector respectively with plastic raw materials, and the sticker raw material also adds in other two injector respectively, accept the cutting of vertical cutting knife and horizontal cutting knife more respectively, and respectively with the extension of longitudinal extension machine and horizontal expansion machine, and make the identical but upper and lower nethike embrane layer of strip that the surface mesh bar is perpendicular of two width, last parallel entering carried out lamination in the laminater, batch again; Above-mentioned manufacture method is for linking up equalization, and therefore, all manufacture processes are single direction carries out, more need not reciprocating action, but rapid processing improves the output of product.
(2) the product density degree is even, quality is good: the present invention forms horizontal nethike embrane in off line rete during fabrication, the online rete then forms vertical nethike embrane, again with two laterally, the parallel conveying of nethike embrane layer longitudinally, and it is bonding mutually, fixing, above-mentioned two nethike embrane layers horizontal, that vertically arrange collect on the same laminater at last simultaneously, align when needing only beginning just to make bonding nethike embrane density even.
Claims (15)
1, a kind of continuous multilayered net cloth manufacture method is characterized in that:
Utilize two membrane forming devices, two nethike embrane layers of moulding respectively, wherein a slice nethike embrane layer has the net bar that is parallel to throughput direction, then is formed with the net bar perpendicular to throughput direction on another sheet nethike embrane layer;
Parallelly be delivered to behind the laminater upper and lower bondingly mutually, fixing with two nethike embrane layers are upper and lower respectively, form multilayered net cloth with crisscross net bar.
2, by the described continuous multilayered net cloth manufacture method of claim 1, it is characterized in that: two membrane forming devices are respectively: go up membrane forming device and a following membrane forming device for one.
3, by the described continuous multilayered net cloth manufacture method of claim 2, it is characterized in that: go up membrane forming device and include: two injector, a die head, a mold roller, a vertical cutting knife and a longitudinal extension machine; Wherein, in two injector, fuse plastic raw materials and sticker raw material respectively, heating injects via die head and forms the banded film of preset width through injector for above-mentioned plastic raw materials, and the sticker raw material adds then that heating also is to be penetrated by die head in another injector; When banded film is injected into type at the die head place, can be infected with the sticker raw material in its downside, can produce cooling during through the mold roller, solidify phenomenon when banded film again, cooled banded film must be again cuts through vertical cutting knife, have the online rete of longitudinal network bar with formation; The online rete extends through the longitudinal extension machine again, provides use to reach predetermined thickness.
4, by the described continuity multilayered net cloth of claim 3 manufacture method, it is characterized in that: plastic raw materials is the PEF (PE) in the thermoplastic plastic.
5, by the described continuity multilayered net cloth of claim 3 manufacture method, it is characterized in that: plastic raw materials is the polypropylene (PP) in the thermoplastic plastic.
6, by the described continuity multilayered net cloth of claim 3 manufacture method, it is characterized in that: plastic raw materials is the polyester (PET) in the thermoplastic plastic.
7, by the described continuity multilayered net cloth of claim 3 manufacture method, it is characterized in that: the heating-up temperature of injector is about 250-270 ℃.
8, by the described continuity multilayered net cloth of claim 3 manufacture method, it is characterized in that: the temperature of mold roller is 25-38 ℃.
9, by the described continuity multilayered net cloth of claim 3 manufacture method, it is characterized in that: the extension ratio of longitudinal extension machine is 5-6 times, and the elongating temperature worker is 130 ℃.
10, by the described continuity multilayered net cloth of claim 3 manufacture method, it is characterized in that: vertically cutting knife is the cylinder shape, is formed with a plurality of blades perpendicular to axis in cylinder surface.
11, by the described continuity multilayered net cloth of claim 2 manufacture method, it is characterized in that: following membrane forming device comprises: two injector, a die head, a mold roller, a horizontal cutting knife, a horizontal expansion machine; Wherein, in two injector, fuse plastic raw materials and adherence raw material respectively, plastic raw materials is made banded film through injector and die head injection, and the adherence raw material also comes together in the exit of die head through injector and with banded mould, then through the cooling of mold cylinder, curing, cooled banded film cuts through horizontal cutting knife again, forms the off line rete that the surface has horizontal net bar; Above-mentioned off line rete passes through the extension of horizontal expansion machine again, to produce the off line rete of suitable thickness, width.
12, by the described continuity multilayered net cloth of claim 11 manufacture method, it is characterized in that: laterally cutting knife is the cylinder shape, is formed with a plurality of blades that parallel to the axis in cylinder surface.
13, by the described continuity multilayered net cloth of claim 11 manufacture method, it is characterized in that: the temperature of horizontal expansion machine is about between 120-140 ℃, and extension ratio is 5-6 times.
14, by the described continuity multilayered net cloth of claim 1 manufacture method, it is characterized in that: laminater includes: two heating arrangements and a press structure, wherein, two heating arrangements heat two nethike embrane layers respectively, and the press structure is pressing and fixing two nethike embrane layers then.
15, by the described continuity multilayered net cloth of claim 14 manufacture method, it is characterized in that: the temperature of the heating arrangements of laminater institute palpus is 130-140 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92101581 CN1076404A (en) | 1992-03-14 | 1992-03-14 | The manufacture method of continuous multilayered net cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92101581 CN1076404A (en) | 1992-03-14 | 1992-03-14 | The manufacture method of continuous multilayered net cloth |
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| CN1076404A true CN1076404A (en) | 1993-09-22 |
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| CN 92101581 Pending CN1076404A (en) | 1992-03-14 | 1992-03-14 | The manufacture method of continuous multilayered net cloth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786458A (en) * | 2015-03-20 | 2015-07-22 | 大连塑料研究所有限公司 | Production technology method and equipment for molding three-dimensional hollow product in continuous extruding manner |
-
1992
- 1992-03-14 CN CN 92101581 patent/CN1076404A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786458A (en) * | 2015-03-20 | 2015-07-22 | 大连塑料研究所有限公司 | Production technology method and equipment for molding three-dimensional hollow product in continuous extruding manner |
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