CN105286221A - Injection molding zipper and production process thereof - Google Patents
Injection molding zipper and production process thereof Download PDFInfo
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- CN105286221A CN105286221A CN201510827267.2A CN201510827267A CN105286221A CN 105286221 A CN105286221 A CN 105286221A CN 201510827267 A CN201510827267 A CN 201510827267A CN 105286221 A CN105286221 A CN 105286221A
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- raw material
- zipper
- injection molding
- pet
- molding zipper
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 88
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims description 32
- 238000013461 design Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 5
- 229920006324 polyoxymethylene Polymers 0.000 abstract description 38
- 230000000694 effects Effects 0.000 abstract description 17
- 238000005108 dry cleaning Methods 0.000 abstract description 5
- 229910052573 porcelain Inorganic materials 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 abstract 4
- 239000005020 polyethylene terephthalate Substances 0.000 abstract 4
- 239000004744 fabric Substances 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- -1 polyethylene terephthalate Polymers 0.000 abstract 1
- 238000005201 scrubbing Methods 0.000 abstract 1
- 238000004513 sizing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229920004943 Delrin® Polymers 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000010023 transfer printing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007651 thermal printing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000021615 conjugation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Slide Fasteners (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a production process of an injection molding zipper. The production process comprises the following steps: uniformly mixing a POM (polyformaldehyde) raw material and a flaky PET (polyethylene terephthalate) raw material according to designed proportions; arranging zipper teeth, namely continuously performing injection molding of the zipper teeth equidistantly on a long cloth belt; removing zipper teeth for sizing, namely removing the zipper teeth, which are required to be removed, of a zipper belt between two adjacent zipper belts according to a preset size on a long zipper belt; and penetrating a puller, performing injection molding of upper and lower stoppers, and cutting off. By applying the production process of the injection molding zipper provided by the invention, the distribution of PET on each zipper tooth can be different, so that differences and diversities of the color of each zipper tooth are realized, and a porcelain imitating effect is formed. Meanwhile, as the PET raw material is integrally fused with the POM raw material, the zipper is good in combination firmness and cannot fade due to water scrubbing and dry cleaning. Moreover, the color effect of the zipper cannot be weakened by the influence of external factors of friction, solarization and the like of the zipper, so that the color of the zipper can be kept more lasting. The invention also discloses the injection molding zipper processed by virtue of the production process of the injection molding zipper.
Description
Technical field
The present invention relates to garment accessories technical field, more particularly, relate to a kind of injection molding zipper, also relate to a kind of injection molding zipper production technology.
Background technology
Slide fastener is the part of dress ornament auxiliary material, has a wide range of applications in people's everyday general purpose dress ornament.Technical merit and the Functional Requirement of slide fastener also constantly improve along with the development of clothes.Along with the development of science and technology and people's living standard, the improving constantly of quality, the diversity requirements for zipper product color is also more and more higher.
The structure of slide fastener roughly comprises chain tooth, pull head, bottom stopper (former code and rear code) or locking member etc.Its medium chain tooth is key component, and general slide fastener has two panels chain band, each own row chain tooth on every sheet chain band, the interlaced arrangement of two row chain teeth.Pull head clamps two side chain teeth, by drawing button loop to slide, the chain tooth of both sides can be made to engage each other or throw off.
Delrin zippers with pulllers is a kind of conventional slide fastener, and its processing method generally comprises following steps: row's miaow (on long strap continuous injection moulding equally spaced chain tooth), teeth removing gapping (being removed the chain tooth on the chain band needing between adjacent two sections of chain bands to vacate on long-chain band according to required size by the edge of a knife), wear pull head, injection moulding bottom stopper, cut-out (long-chain band being cut into the finished product slide fastener of plural segment).The maximum feature of delrin zippers with pulllers is that the various colors of chain tooth is colorful.In prior art, the color of delrin zippers with pulllers adopts the mode of adding the rear hot melt of toner color matching, and toner fuses in POM (polyformaldehyde) material completely.Thus every chain tooth all can only show a kind of color of toner itself, and color is comparatively single.
In order to chain tooth display multiple color, in prior art, adopt Thermal-printing Technology more.The principle of hot transfer printing slide fastener uses hot transfer printing ink (heat sublimation ink) to be printed on glued membrane heat-transferring printing paper at chain tooth surface, in several minutes, be heated to uniform temperature through overheated transfer printing firing equipment again, true to nature for the pattern color on paper is transferred in the materials such as plastics.
But toner hot melt color is single; Thermal-printing Technology color is attached to the surface of chain tooth, and slide fastener easily comes off through washing, dry-cleaning rear surface, and chain tooth and metal pull head easily occur cut through repeatedly drawing rear surface.
In sum, how effectively solve multi-colored zipper color easily come off, repeatedly drawing easily there is the problems such as cut, be current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first object of the present invention is to provide a kind of injection molding zipper production technology, this technique effectively can solve the problem that multi-colored zipper color easily comes off, repeatedly cut easily appears in drawing, second object of the present invention is to provide a kind of injection molding zipper.
In order to reach above-mentioned first object, the invention provides following technical scheme:
A kind of injection molding zipper production technology, comprises the following steps:
The PET raw material of POM raw material and sheet is mixed according to design proportion;
Row's miaow of chain tooth: the equally spaced chain tooth of continuous injection moulding on long strap;
Teeth removing gapping: according to the chain tooth on the chain band needing between the adjacent two sections of chain bands of pre-set dimension removing to vacate on long-chain band;
Wear pull head, injection moulding bottom stopper, cut off.
Preferably, in above-mentioned injection molding zipper production technology, to be POM raw material with the quality of PET raw material than scope be described design proportion: 1000:7-1000:9.
Preferably, in above-mentioned injection molding zipper production technology, the particle width scope of described PET raw material is 0.9mm-1.1mm.
Preferably, in above-mentioned injection molding zipper production technology, the temperature range of described row's miaow process is 190 DEG C-200 DEG C.
Preferably, in above-mentioned injection molding zipper production technology, described the PET raw material of POM raw material and sheet is mixed according to design proportion before, also comprise:
Raw material process debugging, determines described design proportion.
Preferably, in above-mentioned injection molding zipper production technology, after described cut-out, also comprise and carry out the examination and test of products.
Preferably, in above-mentioned injection molding zipper production technology, described mixing according to design proportion by the PET raw material of POM raw material and sheet is specially:
The multiple PET raw material of POM raw material and sheet is mixed according to design proportion.
Apply injection molding zipper production technology provided by the invention, by adding PET raw material in POM raw material, the fusing point that both utilizations are different, when injection moulding, PET raw material can not melt, but fuse as overall in solid form with POM raw material, still can keep its original laminated structure, thus the different color with POM can be demonstrated.Meanwhile, because it maintains previous status, on every chain tooth, the distribution situation of PET may be different, thus achieve otherness, the diversity of every chain tooth color, form imitative porcelain effect., be integrated because PET raw material fuses with POM meanwhile, good in conjunction with strong degree, can not fade through washing, dry-cleaning etc.And color effects also can not weaken along with the impact of the extraneous factors such as the friction of slide fastener, Exposure to Sunlight, pull head repeatedly also can not produce cut under drawing effect, and thus the color of slide fastener keeps more lasting.In addition, this technique, without the need to additionally increasing the production processes such as heating transfer, the basis of original production procedure can be produced, and obtain slide fastener color diversity beyond other performance parameters constant.
In a preferred embodiment, the temperature range of arranging miaow process is 190 DEG C-200 DEG C.Fusing point due to POM raw material is 165 DEG C, the fusing point of PET raw material is 240 DEG C-250 DEG C, therefore is set as in the scope of 190 DEG C-200 DEG C by the temperature of row's miaow process, POM raw material can be made fully to melt on the one hand, PET raw material is well wrapped up, and PET raw material can keep its original state.Thus obtain the two optimum bonding state, and then the chain tooth conjugation formed is good, color is more lasting.
In order to reach above-mentioned second object, present invention also offers a kind of injection molding zipper, comprising chain tooth, this injection molding zipper processes through any one injection molding zipper production technology above-mentioned, and described chain tooth comprises different PET colour developing blocks.Above-mentioned slide fastener color is various, and all not easily decolours through washing, dry-cleaning, and repeatedly drawing also there will not be cut.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of detailed description of the invention of injection molding zipper processing technology provided by the invention.
Detailed description of the invention
The embodiment of the invention discloses a kind of injection molding zipper production technology, with make slide fastener color various, avoid color to come off and drawing produce cut.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of a kind of detailed description of the invention of injection molding zipper processing technology provided by the invention.
In a kind of detailed description of the invention, injection molding zipper processing technology provided by the invention comprises the following steps:
S101: the PET raw material of POM raw material and sheet is mixed according to design proportion;
POM raw material, i.e. polyformaldehyde raw material are the main raw material(s) of slide fastener, for shaping chain tooth matrix.According to the requirement of zipper product, the concrete POM raw material can selecting different performance.PET raw material, i.e. PETG are high polymer.By PET raw material according to design proportion and POM raw material blending.Design proportion herein, and need in conjunction with the Shooting Technique of slide fastener for setting according to concrete slide fastener colour developing needs, to make it can be shaping and ensure the overall construction intensity stability etc. of slide fastener through Shooting Technique.
S102: row's miaow of chain tooth: the equally spaced chain tooth of continuous injection moulding on long strap;
Row's miaow of chain tooth is the important step of slide fastener processing, and its concrete technical process can with reference to prior art.Owing to the addition of PET raw material in raw material POM, the fusing point of the two is different, the fusing point of POM raw material is 165 DEG C, and the fusing point of PET raw material is 240 DEG C-250 DEG C, therefore can utilize the different melting points of the two, during injection moulding, POM raw material melts, and PET raw material can not melt and still keeps its original state, and then be still dispersed in solid form in POM raw material, therefore present different colors.And disperse the difference of concrete state to make every chain tooth color demonstrate otherness, diversity.Meanwhile, because PET fuses in POM raw material, binding strength is good, there is not the problem faded when washing, dry-cleaning etc. detect.And color effects also can not weaken along with the impact of the extraneous factors such as the washing of slide fastener, friction, Exposure to Sunlight.Even if metal pull head repeatedly also can not produce cut under drawing effect on chain tooth.
S103: teeth removing gapping: according to the chain tooth on the chain band needing between the adjacent two sections of chain bands of pre-set dimension removing to vacate on long-chain band;
According to the requirement of client to zipper length etc., according to the chain tooth on the chain band needing between the adjacent two sections of chain bands of pre-set dimension removing to vacate, its concrete technical process etc. please refer to prior art, repeats no more herein.
S104: wear pull head;
Pull head, even if the moving component that chain tooth engages and pulls open.Its concrete steps can with reference to prior art.
S105: injection moulding bottom stopper;
Only upper, be namely fixed on tooth chain band, during restriction tooth chain drawing, pull head skids off the retainer of tooth chain band.Lower be only namely fixed on chain band, when restriction tooth chain pulls open, pull head skids off tooth chain band, and makes both sides tooth chain band can not distinct retainer.The step of concrete injection moulding bottom stopper can with reference to prior art.
S106: cut off.
Wear long after pull head, injection moulding bottom stopper, by shaping Zipper-cutting, namely produce zipper product.
Further, the preset ratio of POM raw material and PET raw material can be that mass ratio is in the scope of 1000:7-1000:9.Certainly, for the processing technology determined, according to colour developing needs, the mass ratio of the two should be a ratio determined, and this ratio drops within the scope of aforementioned proportion.Concrete, the mass ratio that can arrange the two is 1000:8, namely adds 8 grams of PET raw materials in 1000 grams of POM raw materials, and this proportion can be suitable for Shooting Technique and produce, and the color developing effect of chain tooth is good, fully can demonstrate imitative porcelain effect.
Concrete, PET raw material can be pulvis, is the solid-state structure that grain diameter is tiny.The PET raw material of pulvis can be dispersed in POM raw material preferably, and color developing effect is good.Certainly, also can consider as required to adopt granular PET raw material, but still the feasibility of its Shooting Technique need be ensured.
In order to take into account Shooting Technique and color developing effect, particle width scope can be adopted to be the PET raw material of 0.9mm-1.1mm.The PET raw material of pulvis is generally in flat sheet-like structure, therefore the too small color developing effect that may cause of particle width is not obvious, and the excessive Shooting Technique that also may affect of particle width, and be unfavorable for the diversity that chain tooth develops the color, therefore particle width can obtain preferably resultant effect in above-mentioned number range.Concrete, particle width can be adopted to be the PET raw material of 1mm, and the slide fastener finished product color developing effect of acquisition is stablized.Above-mentioned raw materials particle diameter refers generally to the true particle diameter of raw material and fluctuates in this value certain limit.
Above-mentioned injection moulding process utilizes the different of POM raw material and PET raw material fusing point, to obtain good color developing effect.Concrete, can the fusion temperature in the row's of setting miaow process be more than POM fusing point 10 DEG C, be 190 DEG C-200 DEG C etc. as arranged fusion temperature, being specifically as follows 190 DEG C.Be conducive to POM raw material at this temperature fully to melt, and PET raw material be well dispersed in wherein to show in chain tooth.
The chain toilet article that can be obtained by above-mentioned technique have well imitative porcelain effect, and in production process on technological parameter, material property impact not quite, better color developing effect can be obtained without the need to changing production process equipment, and ensure the structural strength stability of slide fastener and the persistence of color, thus good economical benefit.
Further, in above-mentioned technical process, can also step be comprised before POM raw material and PET raw material being mixed according to design proportion: raw material process debugging, determine design proportion.According to the POM raw material selected and the PET raw material determined according to colour developing needs, by debugging, determine optimum design proportion, and then produce the zipper product of various aspects of performance excellence.According to actual conditions, also can select to obtain above-mentioned design proportion by modes such as simulations, but have more reliability and practicality by the design proportion that debugging obtains.
For cutting off the rear finished product formed, step can also be comprised thereafter: carry out the examination and test of products.For detecting qualified product again through steps such as follow-up packing outbounds.If product percent of pass is higher, when as reached certain value, also the examination and test of products can not be carried out.But general is conducive to ensureing product quality further by the examination and test of products.
On the basis of the various embodiments described above, the PET raw material of POM raw material and sheet is mixed according to design proportion and is specifically as follows:
The multiple PET raw material of POM raw material and sheet is mixed according to design proportion.According to the colour developing needs of client for chain tooth, multiple PET raw material can be selected, and then the color of different PET raw material can be demonstrated by multiple PET raw material and the chain tooth that POM raw material mixed injection molding molds, and then the color of chain tooth is more various.And the dispersity of different PET raw materials on every chain tooth is different, the chain tooth color demonstrated is more diversified.
Based on the injection molding zipper production technology provided in above-described embodiment, present invention also offers a kind of injection molding zipper, this slide fastener is processed by any one injection molding zipper production technology above-mentioned, and its chain tooth comprises different PET colour developing blocks.The PET colour developing of different dispersity that concrete can be is fast, also can be the PET colour developing block of different colours, or the two all different colour developing is fast.Colour developing block herein refers to part chain tooth comprising PET colour developing, also can refer to whole chain tooth.Because this slide fastener of injection moulding is processed by the injection molding zipper production technology in above-described embodiment, so the beneficial effect of this injection molding zipper please refer to above-described embodiment.
In addition, for making the color variation of chain tooth, also can consider to adopt glitter powder, it fully can disperse and melting in POM raw material.But because the melting temperature of the two is more or less the same, easily occur that particle feeds back unconspicuous problem on chain tooth.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.And it is one or more all can to increase separately or limit wherein for the increase of design proportion, PET feed particles width range, the further restriction of row's miaow treatment temperature and the step of raw material process debugging, forming new technical scheme thus also should in scope.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. an injection molding zipper production technology, is characterized in that, comprises the following steps:
The PET raw material of POM raw material and sheet is mixed according to design proportion;
Row's miaow of chain tooth: the equally spaced chain tooth of continuous injection moulding on long strap;
Teeth removing gapping: according to the chain tooth on the chain band needing between the adjacent two sections of chain bands of pre-set dimension removing to vacate on long-chain band;
Wear pull head, injection moulding bottom stopper, cut off.
2. injection molding zipper production technology according to claim 1, is characterized in that, to be POM raw material with the quality of PET raw material than scope be described design proportion: 1000:7-1000:9.
3. injection molding zipper production technology according to claim 1, is characterized in that, the particle width scope of described PET raw material is 0.9mm-1.1mm.
4. injection molding zipper production technology according to claim 1, is characterized in that, the temperature range of described row's miaow process is 190 DEG C-200 DEG C.
5. injection molding zipper production technology according to claim 1, is characterized in that, described the PET raw material of POM raw material and sheet is mixed according to design proportion before, also comprise:
Raw material process debugging, determines described design proportion.
6. injection molding zipper production technology according to claim 5, is characterized in that, after described cut-out, also comprises and carries out the examination and test of products.
7. the injection molding zipper production technology according to any one of claim 1-6, is characterized in that, described mixing according to design proportion by the PET raw material of POM raw material and sheet is specially:
The multiple PET raw material of POM raw material and sheet is mixed according to design proportion.
8. an injection molding zipper, comprises chain tooth, it is characterized in that, described injection molding zipper is processed by the injection molding zipper production technology as described in any one of claim 1-7, and described chain tooth comprises different PET colour developing blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510827267.2A CN105286221A (en) | 2015-11-24 | 2015-11-24 | Injection molding zipper and production process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510827267.2A CN105286221A (en) | 2015-11-24 | 2015-11-24 | Injection molding zipper and production process thereof |
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| CN105286221A true CN105286221A (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510827267.2A Pending CN105286221A (en) | 2015-11-24 | 2015-11-24 | Injection molding zipper and production process thereof |
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| CN (1) | CN105286221A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109093930A (en) * | 2018-07-04 | 2018-12-28 | 东莞市德诚精密拉链科技有限公司 | A kind of zipper tooth, preparation method and the zipper with the zipper tooth |
| CN109438929A (en) * | 2018-11-01 | 2019-03-08 | 驰马拉链（安徽）有限公司 | A kind of production technology of injection molding zipper |
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| CN109438929A (en) * | 2018-11-01 | 2019-03-08 | 驰马拉链（安徽）有限公司 | A kind of production technology of injection molding zipper |
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Application publication date: 20160203 |