CN110815731B - Spectacle case production mold and production process - Google Patents
Spectacle case production mold and production process Download PDFInfo
- Publication number
- CN110815731B CN110815731B CN201911064305.8A CN201911064305A CN110815731B CN 110815731 B CN110815731 B CN 110815731B CN 201911064305 A CN201911064305 A CN 201911064305A CN 110815731 B CN110815731 B CN 110815731B
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- mold
- cavity
- groove
- spectacle case
- pouring
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- 241000510164 Cumberlandia monodonta Species 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000011344 liquid material Substances 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000011521 glass Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a spectacle case production mold and production industry, belongs to the technical field of molds, and solves the problem that the size of a spectacle case produced by the existing spectacle case production mold is not standard. This spectacle case production mould includes terrace die and die, meet through the runner that advances that will advance to water the runner vertical setting and die cavity, it is great to have guaranteed simultaneously that the die cavity advances the volume of runner department, the distance between the vertical both sides of die cavity is less than between the horizontal both sides of die cavity and gets the distance, and then shortened the length that advances to water the runner, the heat of liquid material loss in advancing to water the runner has been reduced, the pressurize that the cooling that has also avoided advancing runner department condenses and leads to is not in place, and then the size that causes is not standard, this spectacle case production mould has the advantage of product size standard.
Description
Technical Field
The invention relates to the technical field of molds, in particular to a mold and a process for producing an eyeglass box.
Background
With the rapid development of science and technology, the vision of larger and larger crowds is reduced more rapidly, and the development of the eyeglass industry is also driven, wherein the eyeglass industry mainly comprises an eyeglass frame, eyeglass lenses and an eyeglass box.
Disclosure of Invention
The present invention has been made in view of the foregoing problems, and it is an object of the present invention to provide a mold for producing an eyeglass case and a production process, which can achieve a standard size at a time.
In order to achieve the above object, the present invention provides a mold for producing an eyeglass case, comprising:
a male die;
the female die and the male die are matched to form a cavity, a pouring channel and a pouring gate are arranged on the female die, two ends of the pouring channel are respectively connected with two sides of the cavity, and the pouring gate is communicated with the middle of the pouring channel;
the cavity is provided with two feed inlets which are arranged on two opposite longitudinal sides of the cavity, and two ends of the pouring runner are connected with the feed inlets;
the volume of the two longitudinal sides of the cavity is larger than that of the two transverse sides of the cavity, and the distance between the two longitudinal sides of the cavity is smaller than that between the two transverse sides of the cavity.
According to the spectacle case production mold, the male mold is provided with the first limiting groove and the first limiting block, the female mold is provided with the second limiting groove and the second limiting block, the first limiting block is arranged in the second limiting groove, and the second limiting block is arranged in the first limiting groove.
According to the spectacle case production mold, the first limiting groove and the first limiting block are provided with the first positioning hole, the second limiting groove and the second limiting block are provided with the second positioning hole, and the first positioning hole is communicated with the second positioning hole.
According to the spectacle case production mold, the male mold is provided with the first protrusion, the first protrusion is provided with the first groove, and the first groove is internally provided with the plurality of rectangular protrusions.
According to the mould for producing the spectacle case, the female mould is provided with the second groove, and the overall appearance of the second groove is consistent with that of the first bulge.
According to the spectacle case production mold, the second groove is internally provided with the second protrusion, the second protrusion is connected with the bottom of the first groove, and the appearance of the second protrusion is consistent with that of the first groove.
According to the mold for producing the spectacle case, the male mold and the female mold are provided with a plurality of vent holes.
A production process for manufacturing the glasses case by the glasses case production mold comprises the following steps:
s1: filling, namely closing the male die and the female die, and pouring the liquid material into the cavity through the pouring gate and the pouring runner after closing the dies;
s2: maintaining the pressure, wherein after the step of S1, the pressure is applied to the liquid material, and more plastic is filled into the cavity;
s3: cooling, and cooling and molding the liquid material after the pressure maintaining in the step S2;
s4: and opening the mold, removing the male mold and ejecting the formed spectacle case.
According to the production process of the spectacle case, in the pressure maintaining process of S2, the pressure maintaining is carried out through the pouring runner.
The invention has the following beneficial effects: in the prior art, advance to water runner one end and meet with the vertical one side of die cavity, the other end meets with the horizontal one side of die cavity, then can't reach better pressurize effect because the runner overlength, and because the die cavity volume of horizontal one side is less, liquid material cools off easily and condenses, it is not obvious also to lead to the pressurize effect, and then lead to the spectacle case size not to reach the standard, and in this scheme, will advance to water runner both ends and set up and meet with the vertical both sides of die cavity, the length of watering the runner has both been shortened, it is great to have guaranteed that two advance the interior volume of runner again, make the pressurize effectual, spectacle case size shaping standard.
Drawings
FIG. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a schematic view of the male mold structure of the present invention;
FIG. 3 is a schematic view of the die structure of the present invention;
FIG. 4 is a process flow diagram of the present invention.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, an eyeglass case producing mold comprising:
the male mold 100, the male mold 100 being a movable mold, is completed by the movement of the male mold 100 during the mold closing and opening processes.
The die 200, the die 200 and the punch 100 are matched to form a cavity, the die 200 is provided with a pouring runner 210 and a pouring gate 220, two ends of the pouring runner 210 are respectively connected with two sides of the cavity, the pouring gate 220 is communicated with the middle of the pouring runner 210, the cavity formed by matching the die 200 and the punch 100 determines the appearance of a produced product, pouring is carried out from two sides of the cavity by using the pouring runner 210, the pouring speed is accelerated, and meanwhile, the pouring gate 220 provides pouring materials for the pouring runner 210.
The cavity is provided with two feed inlets which are arranged on two opposite longitudinal sides of the cavity, two ends of the pouring channel 210 are connected with the feed inlets, namely, the pouring channel 210 feeds liquid materials into the cavity through the feed inlets for molding, and the pouring channel 210 is longitudinally distributed as a whole.
The volume of the longitudinal two sides of the cavity is larger than the volume of the transverse two sides of the cavity, the distance between the longitudinal two sides of the cavity is smaller than the distance between the transverse two sides of the cavity, in the prior art, one end of the pouring runner 210 is connected with the longitudinal side of the cavity, the other end of the pouring runner is connected with the transverse side of the cavity, a good pressure maintaining effect cannot be achieved due to the fact that the runner is too long, and due to the fact that the volume of the cavity on the transverse side is smaller, liquid materials are easy to cool and condense, the pressure maintaining effect is not obvious, and therefore the size of the glasses case cannot reach the standard, in the scheme, the two ends of the pouring runner 210 are arranged to be connected with the longitudinal two sides of the cavity, the length of the pouring runner 210 is shortened, the two volumes in the pouring gates 220 are guaranteed to be larger, the pressure maintaining effect is good, and the size of the glasses case is standard.
The male die 100 is provided with a first limiting groove 110 and a first limiting block 120, the female die 200 is provided with a second limiting groove 230 and a second limiting block 240, the first limiting block 120 is arranged in the second limiting groove 230, the second limiting block 240 is arranged in the first limiting groove 110, the male die 100 and the female die 200 are tightly attached together by matching the first limiting groove 110 with the second limiting block 240 and the second limiting groove 230 with the first limiting block 120, and liquid leakage of the die cavity after die assembly is avoided.
The first positioning holes 130 are formed in the first limiting groove 110 and the first limiting block 120, the second positioning holes 250 are formed in the second limiting groove 230 and the second limiting block 240, the first positioning holes 130 are communicated with the second positioning holes 250, and the male die 100 and the female die 200 are positioned through the first positioning holes 130 and the second positioning holes 250, so that the connection is tight.
The male mold 100 is provided with a first protrusion 140, the first protrusion 140 is provided with a first groove 141, the first groove 141 is provided with a plurality of rectangular protrusions 141a, the rectangular protrusions 141a are used for molding the specific internal structure of the glasses case, and the first protrusion 140 determines the overall shape of a part of the glasses case.
The female die 200 is provided with a second groove 260, the overall shape of the second groove 260 is consistent with that of the first protrusion 140, namely, in a die assembly state, the first protrusion 140 extends into the second groove 260, and a cavity is arranged between the first protrusion 140 and the second groove 260, and is a cavity of the die, so that the shape of a product to be produced is determined.
The second groove 260 is provided with a second protrusion 261, the second protrusion 261 is connected with the bottom of the first groove 141, the shape of the second protrusion 261 is consistent with that of the first groove 141, the second protrusion 261 and the first groove 141 are integrally arc-shaped, and the first protrusion 140 can conveniently extend into the first groove 141 in the mold closing process due to the consistent shape.
The male die 100 and the female die 200 are provided with a plurality of vent holes 150, so that cooling is facilitated, and overhigh temperature of the die body is avoided.
As shown in fig. 4, a process for manufacturing the glasses case by using the above glasses case production mold is characterized by comprising:
s1: filling, the male die 100 and the female die 200 are clamped, and after clamping, the liquid material is poured into the cavity through the pouring gate 220 and the pouring runner 210, so that the liquid material is very easy to cool when the pouring runner 210 is too long as a whole.
S2: the pressurize, after S1 step, let the pressure be used in on the liquid material, pack into the die cavity with more plastics, the pressurize process is in order to make the size of shaping product reach the standard, if the liquid material of feed inlet department cools off in advance, then can't reach better pressurize effect, need satisfy two conditions and just can guarantee that the liquid material can not cool off and block up the feed inlet, firstly, it is shorter to advance to water runner 210 overall length, can not there be the too much condition of heat loss in advancing to water runner 210, secondly, the die cavity volume of feed inlet department should be great, liquid material most depends on the die cavity inner wall if less, the heat dissipation is fast, easy cooling condenses, once condense can lead to the feed inlet to reduce, can cause the pressurize not in place usually.
S3: and (6) cooling, keeping the pressure in the step S2, and cooling and forming the liquid material to be completely cooled and solidified to form a formed product.
S4: and opening the mold, removing the male mold 100 and ejecting the formed spectacle case.
In the pressure maintaining process of S2, pressure is maintained through the pouring gate 210, that is, the liquid material in the cavity is maintained through the pouring gate 210.
According to the glasses box production mold and the production process, the pouring runner is longitudinally arranged to be connected with the pouring gate of the cavity, the volume of the pouring gate of the cavity is ensured to be larger, the distance between the longitudinal two sides of the cavity is smaller than the distance between the transverse two sides of the cavity, the length of the pouring runner is shortened, the heat lost by liquid materials in the pouring runner is reduced, and the problem that the size is not standard due to insufficient pressure maintaining caused by cooling and condensation at the pouring gate is avoided.
The technical solutions of the present invention are explained in detail above with reference to the accompanying drawings, and the described embodiments are used to help understanding the idea of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A spectacle case producing mold, comprising:
a male die;
the female die and the male die are matched to form a cavity, a pouring channel and a pouring gate are arranged on the female die, two ends of the pouring channel are respectively connected with two sides of the cavity, and the pouring gate is communicated with the middle of the pouring channel;
the cavity is provided with two feed inlets which are arranged on two opposite longitudinal sides of the cavity, and two ends of the pouring runner are connected with the feed inlets;
the volume of the two longitudinal sides of the cavity is larger than that of the two transverse sides of the cavity, and the distance between the two longitudinal sides of the cavity is smaller than that between the two transverse sides of the cavity.
2. The mold for producing spectacle cases according to claim 1, wherein the male mold is provided with a first limiting groove and a first limiting block, the female mold is provided with a second limiting groove and a second limiting block, the first limiting block is disposed in the second limiting groove, and the second limiting block is disposed in the first limiting groove.
3. The mold for producing spectacle case according to claim 2, wherein the first limiting groove and the first limiting block are provided with a first positioning hole, the second limiting groove and the second limiting block are provided with a second positioning hole, and the first positioning hole is communicated with the second positioning hole.
4. The eyeglass case production mold of claim 2, wherein the male mold is provided with a first protrusion, the first protrusion is provided with a first groove, and the first groove is provided with a plurality of rectangular protrusions.
5. The mold for producing spectacle case according to claim 4, wherein the female mold is provided with a second groove, and the overall shape of the second groove is identical to the shape of the first protrusion.
6. The mold for producing spectacle case according to claim 5, wherein the second groove has a second protrusion therein, the second protrusion being disposed to meet the bottom of the first groove, the second protrusion having a shape corresponding to the shape of the first groove.
7. A spectacle case producing mold as claimed in claim 1 or 2, wherein the male mold and the female mold are provided with a plurality of vent holes.
8. A process for manufacturing a spectacle case by means of the spectacle case producing mold according to any one of claims 1 to 7, comprising:
s1: filling, namely closing the male die and the female die, and pouring the liquid material into the cavity through the pouring gate and the pouring runner after closing the dies;
s2: maintaining the pressure, wherein after the step of S1, the pressure is applied to the liquid material, and more plastic is filled into the cavity;
s3: cooling, and cooling and molding the liquid material after the pressure maintaining in the step S2;
s4: and opening the mold, removing the male mold and ejecting the formed spectacle case.
9. The process of claim 8, wherein during the step of maintaining pressure at S2, the step of maintaining pressure is performed through the sprue channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064305.8A CN110815731B (en) | 2019-11-04 | 2019-11-04 | Spectacle case production mold and production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064305.8A CN110815731B (en) | 2019-11-04 | 2019-11-04 | Spectacle case production mold and production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110815731A CN110815731A (en) | 2020-02-21 |
| CN110815731B true CN110815731B (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911064305.8A Active CN110815731B (en) | 2019-11-04 | 2019-11-04 | Spectacle case production mold and production process |
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|---|---|---|---|---|
| DE10057344C1 (en) * | 2000-11-18 | 2002-05-02 | Parker Hannifin Gmbh | Device for production of rubber articles by a cold channel process, comprises a piston which supplies rubber to pots which feed molds, which is fitted with a central feed, connected to a series of distribution channels which fill the pots |
| JP2002264177A (en) * | 2001-03-12 | 2002-09-18 | Toto Ltd | Injection mold |
| CN201841642U (en) * | 2010-10-20 | 2011-05-25 | 宁波博超模具有限公司 | Gate pouring structure of injection mold |
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| CN110815731A (en) | 2020-02-21 |
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Inventor after: Zhou Weili Inventor after: Jiang Huaqiao Inventor after: Wu Zhiguang Inventor before: Wu Zhiguang Inventor before: Jiang Huaqiao |
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Address after: Shangshuichao Village, Dongqiao Town, Haishu District, Ningbo City, Zhejiang Province Patentee after: Ningbo Shuaitelung Automotive Systems Co.,Ltd. Country or region after: China Address before: Shangshuiquan Village, Dongqiao Town, Haishu District, Ningbo City, Zhejiang Province Patentee before: Ningbo Shuaitelong Group Co.,Ltd. Country or region before: China |