CN114347380B - Method for manufacturing nose pad - Google Patents
Method for manufacturing nose pad Download PDFInfo
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- CN114347380B CN114347380B CN202210073363.2A CN202210073363A CN114347380B CN 114347380 B CN114347380 B CN 114347380B CN 202210073363 A CN202210073363 A CN 202210073363A CN 114347380 B CN114347380 B CN 114347380B
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- color mixture
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 420
- 238000002347 injection Methods 0.000 claims abstract description 139
- 239000007924 injection Substances 0.000 claims abstract description 139
- 239000000203 mixture Substances 0.000 claims abstract description 82
- 239000003086 colorant Substances 0.000 claims abstract description 44
- 229920006221 acetate fiber Polymers 0.000 claims description 17
- 238000005507 spraying Methods 0.000 claims description 16
- 238000000465 moulding Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 18
- 238000000926 separation method Methods 0.000 abstract description 9
- 238000001746 injection moulding Methods 0.000 abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 239000000741 silica gel Substances 0.000 description 12
- 229910002027 silica gel Inorganic materials 0.000 description 12
- 239000010410 layer Substances 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 239000011521 glass Substances 0.000 description 3
- FINOAUDUYKVGDS-UHFFFAOYSA-N (2-tert-butylcyclohexyl) acetate Chemical compound CC(=O)OC1CCCCC1C(C)(C)C FINOAUDUYKVGDS-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a method for manufacturing a nose pad, which comprises the steps of alternately injecting materials with different colors into a die cavity through the same injection molding opening; the rear material pushes the front material to move in the die cavity, and the materials are contacted and mixed to generate color mixture; when the rear material is injected, the front material is pushed to move by the material, and then the rear material also pushes the formed object to move in the die cavity; the front material, the rear material and the color mixture can move in different areas of the die cavity, and the front material, the rear material and the color mixture are filled in the die cavity in the moving process; until the front material injection, the rear material injection and the color mixture are filled in the mold cavity; part of the front injected material and the rear injected material are not completely mixed; so that a part of the front injection materials and a part of the rear injection materials can form color mixture; the nose pad formed in this way has rich colors; the nose pad has a color mixing effect and a color separation effect; and can mix and distinguish the materials with more than two colors.
Description
Technical Field
The invention relates to an eyeglass product, in particular to a method for manufacturing a nose pad.
Background
The nose pad is a part of the glasses frame which plays a supporting role on the nose bridge, and is used for positioning and supporting the glasses when people wear the glasses; with the aim of pursuing fashion, the nose pads with colors are becoming more popular, and the existing manufacturing methods of nose pads with colors are divided into two types, wherein the first method is to mix silica gel with different colors, and then injection-mold the mixed silica gel to form the nose pad; the second is that silica gel with different colors is respectively injected into the mold cavity through different injection molding openings to form a nose pad, and different areas of the nose pad have different colors; in the first method, as the silica gel with different colors can only form a single color after being mixed, the nose pad formed by injection molding has a single color; in the second method, because the silica gel with different colors directly forms different areas of the nose pad, the silica gel with one color is correspondingly injected into one area of the die cavity; if the silica gel is sequentially injected into different areas of the die cavity, the silica gel cannot flow between the different areas of the die cavity, and only color separation effects can be formed in the different areas of the nose pad; if the different areas of the die cavity are filled with the silica gel with different colors at the same time, the silica gel with different colors can only generate a small amount of mixing at the junction of the different areas in the die cavity, the silica gel can not flow between the different areas of the die cavity, and the silica gel can only form a color separation effect in the different areas of the nose support; the nose pads manufactured by the two methods cannot form a color mixing effect.
Disclosure of Invention
The invention provides a method for manufacturing a nose pad, wherein materials with different colors are alternately injected into an injection molding opening, and the materials with different colors enter a mold cavity to be mixed and flow in the mold cavity, so that the nose pad with a color mixing effect and a color separation effect is formed.
In order to achieve the above purpose, the technical scheme of the invention is as follows: a method for manufacturing a nose pad comprises the following steps:
and a, connecting more than two material injection devices with an injection port of a die.
Step b, alternately injecting materials with different colors into the die cavity by more than two material injection devices until the die cavity is filled; the materials with different colors flow in the die cavity, and mixed colors formed by mixing the materials with different colors are arranged in the die cavity; materials with different colors and color mixtures are filled in the mold cavity.
And c, cooling and molding the nose pad.
According to the method, materials with different colors are added in more than two material injection devices; when more than two material injection devices are connected with the injection port, materials output from the material injection devices enter the die cavity from the injection port; alternately injecting materials with different colors into the die cavity; when the material injected later is injected into the die cavity, the material injected earlier can be pushed to flow in the die cavity, and meanwhile, in the flowing process, the materials with different colors are different in mobility in the die cavity due to different gravities, so that part of the material before and part of the material after are contacted and mixed to generate color mixture; when the material is injected into the cavity, so that the material can push the material to flow; causing the pre-injection material, the post-injection material and the color mixture to flow in different areas of the mold cavity until the pre-injection material, the post-injection material and the color mixture fill the mold cavity; simultaneously, the materials with different colors are alternately injected, so that part of the front injected materials and part of the rear injected materials after injection are mixed, and the part of the front injected materials and the rear injected materials are not completely mixed due to the fact that the materials with different colors flow in the die cavity and the difference of the flows of the materials with different colors in the die cavity; so that a part of the front injection materials and a part of the rear injection materials can form color mixture; the nose pad formed in this way has rich colors; the nose pad has a color mixing effect and a color separation effect; and can mix and distinguish the materials with more than two colors.
Further, the step b specifically includes:
S1, injecting a first material into a die cavity by one of the material injecting devices.
S2, injecting a second material into the die cavity by the other material injecting device.
S3, the second material drives the first material to flow in the die cavity; in the flowing process, a first color mixture generated by mixing the second material and the first material exists; the first material, the second material and the first color mixture are filled in the mold cavity.
Further, if in step a, more than three injection devices are connected to the injection port of the mold, step b specifically includes:
S1, injecting a first material into a die cavity by one of the material injecting devices.
S2, injecting a second material into the die cavity by the other material injecting device.
S3, the second material drives the first material to flow in the die cavity; during the flow, there is a first color mixture created by mixing the second material with the first material.
S4, injecting a third material into the die cavity by the aid of the other material injecting device.
S5, the third material drives the first material, the second material and the first color mixture to flow in the die cavity; in the flowing process, a second mixed color material is generated by mixing a third material and the first material, a third mixed color material is generated by mixing the third material and the second material, and a fourth mixed color material is generated by mixing the third material and the first mixed color material; the first material, the second material, the third material, the first color mixture, the second color mixture, the third color mixture and the fourth color mixture are filled in the mold cavity.
The above method, by adding a third material; the third material is mixed with the first material, the second material and the first color mixture respectively; thus enriching the color of the nose pad.
Further, S0. presets a first injection time period and a second injection time period.
S1 specifically comprises the following steps: and the first material injection time limit starts to time, wherein one material injection device injects the first material into the die cavity, and when the first material injection time limit ends to time, the material injection device stops injecting the first material.
S2 specifically comprises the following steps: and (3) starting to time the second material injection time limit, and injecting the second material into the die cavity by the other material injection device, wherein when the second material injection time limit is over, stopping injecting the second material by the material injection device.
According to the method, the feeding time is controlled, so that the feeding amounts of the first material and the second material are controlled, and the control method is simple.
Further, S0. preset a third shot time period.
S4 specifically comprises the following steps: and (3) starting timing the third material injection time limit, and injecting the third material into the die cavity by the other material injection device, and stopping injecting the third material by the material injection device when the third material injection time limit is finished.
Further, S3 further includes: the first color mixture is mixed with the first material and the second material respectively to generate new color mixture.
S5 further comprises: the second color mixture, the third color mixture or the fourth color mixture is respectively mixed with the first material, the second material and the third material to generate new color mixture.
According to the method, the second material entering the die cavity at the rear can drive the first material entering the die cavity at the front to move, and part of the second material and part of the first material are mixed to generate a first mixed color material in the moving process; when the second material drives the first forming object to move, the first color mixture is mixed with the first material or the second material to generate a new color mixture.
The third material entering the die cavity at the back can drive the first material, the second material and the first color mixture, the second color mixture, the third color mixture and the fourth color mixture formed by mixing the first material, the second material and the second material in the die cavity to move; in the moving process, a second material, a second mixed color material, a third mixed color material or a fourth mixed color material is respectively mixed with a first material, a second material and a third forming material to generate a new mixed color material; further enriches the color of the nose pad.
Further, after step c is completed, the method further comprises: step d, spraying attachments on the surface of the nose support; the attachment forms a spray coating on the surface of the nose pad.
According to the method, the spray coating is formed by spraying, so that the surface of the nose pad is protected.
Further, in the step b, the method further includes: setting a material injection interval time limit between two material injection devices, and starting material injection by the other material injection device within the material injection interval time limit after one material injection device stops material injection; so that the material previously injected into the mold cavity is in a molten or semi-molten state when the latter material is injected. The arrangement can enable partial materials with two different colors to be mixed more effectively to generate color mixture, so that the color separation effect is better.
Further, step b further comprises: each material injection device is used for injecting more than one material in the die cavity. The above arrangement can facilitate mixing.
Further, the material is acetate fiber with color. The nose pad has the advantages of toughness, good luster and the like.
Drawings
Fig. 1 is a schematic view of a mold for making a nose pad.
Fig. 2 is a schematic view of a nose pad according to a first embodiment.
Fig. 3 is a schematic view of a nose pad in a second embodiment.
Fig. 4 is a schematic view of an embodiment of a spray coating.
Fig. 5 is a schematic view of another embodiment of a spray coating.
Fig. 6 is a flow chart of the invention.
Fig. 7 is a schematic view showing the color separation effect of the nose pad according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1-7; a nose pad is provided with a spray coating layer 1 on the surface of the nose pad. Referring to fig. 4; the spray coating 1 can completely cover the surface of the nose pad, as shown in fig. 5; the spray coating 1 can also cover the appointed area of the nose pad, and further, the spray coating 1 with different colors can be covered on different appointed areas of the nose pad. The nose pad comprises an injection molding layer 2 and a mounting piece 3; the mount 3 is used to mount the nose pads on the frame of the spectacles. The mounting 3 is connected with the injection layer 2.
Embodiment one; the mounting member 3 is integrally formed with the injection layer 2.
Embodiment two; the mounting piece 3 is connected with the injection molding layer 2 in a split type; through placing the one end of mounting 3 in the die cavity, then annotate the material in the die cavity and form layer 2 of moulding plastics, the one end of mounting 3 is covered to layer 2 of moulding plastics, realizes moulding plastics layer 2 and mounting 3 and be connected.
The mold 4 is provided with one or more cavities 5, and the one or more cavities 5 communicate with the injection port 41.
The manufacturing method of the nose pad comprises the following steps:
And a, connecting more than two material injection devices with an injection port of a die. Plastic is added in more than two material injection devices; the material injection device heats the plastic to enable the plastic to be in a flowable state; the plastic can be acetate fiber or propionic acid fiber; in a first embodiment, the plastic is acetate fiber; different color toners are added in different material injecting devices; mixing the color powder with acetate fiber to obtain a material with color; the first material and the second material are sequentially arranged according to the sequence of the injection into the die cavity.
Setting a material injection interval time limit between two material injection devices, and starting material injection by the other material injection device within the material injection interval time limit after material injection is stopped by one material injection device; so that the material previously injected into the mold cavity is in a molten or semi-molten state when the latter material is injected. In a first embodiment, the shot interval time is 0.5 seconds. The two material injecting devices alternately inject materials with different colors into the die cavity; each material injection device is used for injecting more than one material in the die cavity respectively; the materials with different colors flow in the die cavity, and the mixed color materials formed by mixing the materials with different colors are arranged in the die cavity; materials with different colors and color mixtures are filled in the mold cavity. And c, cooling and molding the nose pad.
Step d, spraying attachments on the surface of the nose support; the attachment forms a spray coating on the surface of the nose pad.
According to the method, materials with different colors are added in more than two material injection devices; when more than two material injection devices are connected with the injection port, materials output from the material injection devices enter the die cavity from the injection port; alternately injecting materials with different colors into the die cavity; when the material injected later is injected into the die cavity, the material injected earlier can be pushed to flow in the die cavity, and meanwhile, in the flowing process, the materials with different colors are different in mobility in the die cavity due to different gravities, so that part of the material before and part of the material after are contacted and mixed to generate color mixture; when the material is injected into the cavity, so that the material can push the material to flow; causing the pre-injection material, the post-injection material and the color mixture to flow in different areas of the mold cavity until the pre-injection material, the post-injection material and the color mixture fill the mold cavity; simultaneously, the materials with different colors are alternately injected, so that part of the injected materials before and part of the injected materials after injection are mixed, and part of the injected materials before and part of the injected materials after injection are not completely mixed due to the fact that the materials with different colors flow in the die cavity and the difference of the flows of the materials with different colors in the die cavity; so that a part of the front injection materials and a part of the rear injection materials can form color mixture; the nose pad formed in this way has rich colors; the nose pad has a color mixing effect and a color separation effect; and can mix and distinguish the materials with more than two colors. The spray coating is formed by spraying to protect the surface of the nose pad.
In the first embodiment, the mounting member is integrally formed with the injection layer; and the formed mounting piece also has color mixing effect and color separation effect.
If two injection devices are used for injection, the step b is specifically:
S0. presetting a first injection time limit and a second injection time limit.
S1, injecting a first material into a die cavity by one of the material injection devices; the method specifically comprises the steps of starting timing of a first material injection time limit, wherein a material injection device injects a first material into a die cavity, and stopping injecting the first material when the timing of the first material injection time limit is finished.
S2, injecting a second material into the die cavity by the other material injection device; the second material injecting time limit starts to time, the other material injecting device injects the second material into the die cavity, and the material injecting device stops injecting the second material when the second material injecting time limit ends to time.
S3, the second material drives the first material to flow in the die cavity; in the flowing process, a first color mixture generated by mixing the second material and the first material exists; the first material, the second material and the first color mixture are filled in the mold cavity.
Step b includes two injection modes; taking injection using two injection devices as an example, the following description will be given:
The first material injecting mode is as follows: the first material injection device and the second material injection device perform material injection only once. Firstly, injecting a sufficient amount of first material into a die cavity; a sufficient amount of the second material is then injected into the mold cavity.
The second material injecting mode is as follows: the first material injection device and the second material injection device are used for injecting materials for a plurality of times respectively. Dividing a first material to be injected into a mold cavity into more than two parts, and in one embodiment into three parts; the second material to be injected into the mold cavity is divided into more than two, in one embodiment three.
Firstly, injecting a first part of first material into a die cavity, and then, injecting a first part of second material into the die cavity; then injecting a second part of first material into the die cavity, and then injecting a second part of second material into the die cavity; a third portion of the first material is then injected into the mold cavity, and a third portion of the second material is then injected into the mold cavity. The second material injecting mode mixes the first material and the second material for several times.
Step b forming at least one or more color effects; taking injection using two injection devices as an example, the following description will be given:
color effect of first kind of notes material mode:
The first material is red acetate fiber; the second material is yellow acetate fiber. A first color mixture generated by physical mixing of the first material and the second material is arranged at the contact position of the first material and the second material; according to the color mixing principle, the first color mixture may be orange acetate fibers. There is orange-red acetate fiber produced by mixing the first material with the first color blend. There is orange-yellow acetate fiber produced by mixing the second material with the first color blend.
Color effect of the second injection mode:
The first material is blue acetate fiber; the second material is yellow acetate fiber. A first color mixture generated by physical mixing of the first material and the second material is arranged at the contact position of the first material and the second material; according to the color mixing principle, the first color mixture can be green acetate fibers. There are cyan acetate fibers produced by mixing the first material with the first color blend. There are yellowish green acetate fibers produced by mixing the second material with the first color mixture.
In another embodiment, the first material and the second material are acetate fibers of the same color.
In yet another embodiment, both the first and second materials are colorless acetate fibers to form a transparent nose pad.
If three injection devices are used for injection, the step b is specifically:
S0. presetting a first injection time limit, a second injection time limit and a third injection time limit.
S1, injecting a first material into a die cavity by one of the material injection devices; the method comprises the steps that a first material injection time limit begins to time, wherein a material injection device injects a first material into a die cavity, and when the first material injection time limit ends to time, the material injection device stops injecting the first material; the feeding time length is controlled, so that the feeding amount of the first material is controlled, and the control method is simple.
S2, injecting a second material into the die cavity by the other material injection device; the second material injection time limit starts to time, the other material injection device injects the second material into the die cavity, and when the second material injection time limit ends to time, the material injection device stops injecting the second material; the feeding time length is controlled, so that the feeding amount of the second material is controlled, and the control method is simple.
S3, the second material drives the first material to flow in the die cavity; during the flow, there is a first color mixture created by mixing the second material with the first material.
S4, injecting a third material into the die cavity by the aid of the other material injecting device; the method comprises the following steps: the third material injection time limit starts to time, the other material injection device injects the third material into the die cavity, and when the third material injection time limit ends to time, the material injection device stops injecting the third material; the feeding time is controlled, so that the feeding amount of the third material is controlled, and the control method is simple; by adding a third material; the third material is mixed with the first material, the second material and the first color mixture respectively; thus enriching the color of the nose pad.
S5, the third material drives the first material, the second material and the first color mixture to flow in the die cavity; in the flowing process, a second mixed color material is generated by mixing a third material and the first material, a third mixed color material is generated by mixing the third material and the second material, and a fourth mixed color material is generated by mixing the third material and the first mixed color material; the first material, the second material, the third material, the first color mixture, the second color mixture, the third color mixture and the fourth color mixture are filled in the mold cavity.
In the above-mentioned method, the method comprises,
S3 further comprises: the second material of the die cavity, which is formed by mixing the first color mixture with the first material and the second material respectively to generate new color mixture, can drive the first material which enters the die cavity before to move, and part of the second material is mixed with part of the first material in the moving process to generate the first color mixture; when the second material drives the first forming object to move, the first color mixture is mixed with the first material or the second material to generate a new color mixture; further enriches the color of the nose pad.
S5 further comprises: the second color mixture, the third color mixture or the fourth color mixture is respectively mixed with the first material, the second material and the third material to generate new color mixture. The third material entering the die cavity at the back can drive the first material, the second material and the first color mixture, the second color mixture, the third color mixture and the fourth color mixture formed by mixing the first material, the second material and the second material in the die cavity to move; in the moving process, a second material, a second mixed color material, a third mixed color material or a fourth mixed color material is respectively mixed with a first material, a second material and a third forming material to generate a new mixed color material; further enriches the color of the nose pad.
Claims (7)
1. A manufacturing method of a nose pad is characterized in that: the method comprises the following steps:
Step a, connecting more than three material injecting devices with an injection port of a mold;
Step b, each material injection device injects more than one material into the die cavity respectively; alternately injecting materials with different colors into the die cavity; the gravity of the materials with different colors is different, so that the mobility of the materials with different colors in the die cavity is different, and therefore part of the front materials and part of the rear materials are contacted and mixed to generate mixed color materials, the front injected materials, the rear injected materials and the mixed color materials flow in different areas of the die cavity until the front injected materials, the rear injected materials and the mixed color materials fill the die cavity; s1, injecting a first material into a die cavity by one of the material injection devices; s2, injecting a second material into the die cavity by the other material injection device; s3, the second material drives the first material to flow in the die cavity; in the flowing process, a first color mixture generated by mixing the second material and the first material exists; the first color mixture is respectively mixed with the first material and the second material to generate new color mixture; s4, injecting a third material into the die cavity by the aid of the other material injecting device; s5, the third material drives the first material, the second material and the first color mixture to flow in the die cavity; in the flowing process, a second mixed color material is generated by mixing a third material and the first material, a third mixed color material is generated by mixing the third material and the second material, and a fourth mixed color material is generated by mixing the third material and the first mixed color material; the second color mixture, the third color mixture or the fourth color mixture is respectively mixed with the first material, the second material and the third material to generate new color mixture; the first material, the second material, the third material, the first color mixture, the second color mixture, the third color mixture and the fourth color mixture are filled in the die cavity;
And c, cooling and molding the nose pad.
2. The method for manufacturing the nose pad according to claim 1, wherein: step b further comprises: s0. presetting a first material injection time limit and a second material injection time limit;
s1 specifically comprises the following steps: the first material injection time limit begins to time, wherein a material injection device injects a first material into the die cavity, and when the first material injection time limit ends to time, the material injection device stops injecting the first material;
S2 specifically comprises the following steps: and (3) starting to time the second material injection time limit, and injecting the second material into the die cavity by the other material injection device, wherein when the second material injection time limit is over, stopping injecting the second material by the material injection device.
3. The method for manufacturing the nose pad according to claim 2, wherein: step b further comprises: s0. presetting a third material injection time limit;
S4 specifically comprises the following steps: and (3) starting timing the third material injection time limit, and injecting the third material into the die cavity by the other material injection device, and stopping injecting the third material by the material injection device when the third material injection time limit is finished.
4. The method for manufacturing the nose pad according to claim 1, wherein: after the step c is completed, the method further comprises the following steps: step d, spraying attachments on the surface of the nose support; the attachment forms a spray coating on the surface of the nose pad.
5. The method for manufacturing the nose pad according to claim 1, wherein: in step b, further comprising: setting a material injection interval time limit between two material injection devices, and starting material injection by the other material injection device within the material injection interval time limit after one material injection device stops material injection; so that the material previously injected into the mold cavity is in a molten or semi-molten state when the latter material is injected.
6. The method for manufacturing the nose pad according to claim 1, wherein: step b further comprises: each material injection device is used for injecting more than one material in the die cavity.
7. The method for manufacturing the nose pad according to claim 1, wherein: the material is acetate fiber with color.
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|---|---|---|---|---|
| CN101568421A (en) * | 2005-08-31 | 2009-10-28 | 比利鲍勃·J·布尔 | Method for controlling hue change of molded plastic and composite colored articles |
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