CN116587523A - Injection molding method of glasses legs - Google Patents
Injection molding method of glasses legs Download PDFInfo
- Publication number
- CN116587523A CN116587523A CN202310605384.9A CN202310605384A CN116587523A CN 116587523 A CN116587523 A CN 116587523A CN 202310605384 A CN202310605384 A CN 202310605384A CN 116587523 A CN116587523 A CN 116587523A
- Authority
- CN
- China
- Prior art keywords
- injection molding
- contact pin
- trimming
- polishing
- glasses
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001746 injection moulding Methods 0.000 title claims abstract description 62
- 239000011521 glass Substances 0.000 title claims abstract description 41
- 238000005498 polishing Methods 0.000 claims abstract description 20
- 238000009966 trimming Methods 0.000 claims abstract description 19
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 244000137852 Petrea volubilis Species 0.000 claims abstract description 10
- 239000011265 semifinished product Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 9
- 239000012778 molding material Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 4
- 229910000570 Cupronickel Inorganic materials 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold 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
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
-
- 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
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
- B29C2045/14131—Positioning or centering articles in the mould using positioning or centering means forming part of the insert
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection molding method of glasses legs, which comprises the following steps: preparing a pin: preparing a pair of pins; positioning the contact pin: an injection molding locating rod is arranged at the head part, the middle part and the tail part of each contact pin; primary injection molding: arranging a first injection mold at each contact pin, and adopting an injection molding machine to perform first injection molding to prepare a semi-finished product of the glasses leg; primary trimming: removing the first injection mold, and trimming each contact pin; turning over the contact pin: turning over each contact pin; secondary injection molding: arranging a second injection mold at each contact pin, and performing secondary injection molding by using an injection molding machine to obtain complete glasses legs; secondary trimming: removing the second injection mold and trimming each glasses leg; polishing glasses legs: and polishing the glasses legs by adopting sand paper. According to the technical scheme, the operation is convenient, the positioning of the contact pin in the module is reliable, the contact pin is not easy to deform during manufacturing, the yield is effectively improved, the quality is stable, and the practicability is good.
Description
Technical Field
The invention relates to the technical field of manufacturing methods of glasses legs, in particular to an injection molding method of glasses legs.
Background
Glasses play an increasingly important role in the field of life of people, and in our daily lives, the glasses are not only a necessity for protecting eyes, but also a cosmetic ornament; the glasses legs are taken as an important component part of glasses, especially with the development of the jewelry of the glasses, fashion, beautiful color and elegant appearance become important standards pursued by vast young people, and requirements of people on the beauty of the glasses are higher and higher while pursuing comfort.
At present, the spectacle legs in the form of embedded pins produced in China mainly comprise the following methods:
(1) Firstly, taking white copper as a raw material to make a simple and approximately linear contact pin, and then, driving the contact pin into an acetic acid colloid, wherein the defect of the method is that the shape of the contact pin cannot be changed greatly, otherwise, the contact pin cannot be driven into the acetic acid colloid, or the contact pin can be driven into the colloid but eccentric phenomenon occurs; in addition, in the actual operation process, the contact pin made of the white copper can only be plated with gold or silver at the bottom of the chromium/nickel plating, and other pigments can fade due to friction with colloid at high temperature;
(2) The board pressing is formed by pressing the contact pins into the board, and the color and style are extremely monotonous and not rich relatively.
(3) The pin sleeve rubber sleeve is formed by sleeving the formed pin, the operation mode is relatively troublesome in actual operation, and the shape cannot be changed greatly, so that the style is single.
In addition, in the manufacturing method of the glasses leg in the prior art, the contact pin (steel sheet) cannot be positioned in the die in the injection molding process, and the contact pin (steel sheet) is easy to deform in the manufacturing process, so that the yield is low and the quality is unstable.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the injection molding method for the glasses leg, which is convenient to operate, reliable in positioning of the contact pin in the module, difficult to deform during contact pin manufacturing, and good in practicality, and the yield is effectively improved.
In order to achieve the above purpose, the present invention provides the following technical solutions: an injection molding method of a glasses leg comprises the following steps:
(1) Preparing a pin: preparing a pair of pins;
(2) Positioning the contact pin: an injection molding locating rod is arranged at the head part, the middle part and the tail part of each contact pin;
(3) Primary injection molding: arranging a first injection mold at each contact pin, and adopting an injection molding machine to perform first injection molding to prepare a semi-finished product of the glasses leg;
(4) Primary trimming: removing the first injection mold, and trimming each contact pin;
(5) Turning over the contact pin: turning over each contact pin;
(6) Secondary injection molding: arranging a second injection mold at each contact pin, and performing secondary injection molding by using an injection molding machine to obtain complete glasses legs;
(7) Secondary trimming: removing the second injection mold and trimming each glasses leg;
(8) Polishing glasses legs: and polishing the glasses legs by adopting sand paper.
As a preferred option: the injection molding locating rods are all made of injection molding materials, and the injection molding materials are PA or PC or AC.
As a preferred option: and (6) connecting the semi-finished products of the mirror legs formed by the first injection molding in the secondary injection molding process to form an integrated structure.
As a preferred option: and (7) cutting off the injection molding locating rod along the edge of each glasses leg during secondary trimming.
As a preferred option: and (8) polishing by adopting No. 320 sand paper, spraying primer or powder after polishing, polishing by adopting No. 600 sand paper, and spraying a surface layer after polishing.
As a preferred option: the contact pin is made of metal.
By adopting the technical scheme, the invention has the following beneficial effects:
compared with the prior art, the invention has convenient operation when the glasses legs are injection molded, and the head part, the middle part and the tail part of each contact pin are provided with one injection molding positioning rod; the contact pin is reliably positioned in the module, is not easy to deform during contact pin manufacturing, effectively improves the yield, and has stable quality and good practicability.
The invention is further described below with reference to the drawings and specific examples.
Drawings
FIG. 1 is a flow chart of an embodiment of the present invention.
Detailed Description
In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
Referring to fig. 1, the injection molding method of the glasses leg disclosed by the invention comprises the following steps:
(1) Preparing a pin: preparing a pair of pins 1;
(2) Positioning the contact pin: an injection molding positioning rod 2 is arranged at the head part, the middle part and the tail part of each contact pin;
(3) Primary injection molding: arranging a first injection mold 3 at each contact pin, and adopting an injection molding machine to perform first injection molding to prepare a semi-finished product of the glasses leg;
(4) Primary trimming: removing the first injection mold 3, and trimming each contact pin;
(5) Turning over the contact pin: turning over each contact pin;
(6) Secondary injection molding: arranging a second injection mold 4 at each contact pin, and performing secondary injection molding by using an injection molding machine to obtain complete glasses legs;
(7) Secondary trimming: removing the second injection mold 4, and trimming each glasses leg;
(8) Polishing glasses legs: and polishing the glasses legs by adopting sand paper.
As a preferred option: the injection molding positioning rods 2 are all made of injection molding materials, and the injection molding materials are PA or PC or AC.
As a preferred option: and (6) connecting the semi-finished products of the mirror legs formed by the first injection molding in the secondary injection molding process to form an integrated structure.
As a preferred option: and (7) cutting off the injection molding locating rod along the edge of each glasses leg during secondary trimming.
As a preferred option: and (8) polishing by adopting No. 320 sand paper, spraying primer or powder after polishing, polishing by adopting No. 600 sand paper, and spraying a surface layer after polishing.
As a preferred option: the contact pin 1 is made of metal, and the material of the contact pin 1 is preferably stainless steel, copper or titanium alloy.
In practical application, the invention is convenient to operate when the glasses legs are injection molded, and the head part, the middle part and the tail part of each contact pin are provided with one injection molding positioning rod; the contact pin is reliably positioned in the module, is not easy to deform during contact pin manufacturing, effectively improves the yield, and has stable quality and good practicability.
The foregoing embodiments are provided for further explanation of the present invention and are not to be construed as limiting the scope of the present invention, and some insubstantial modifications and variations of the present invention, which are within the scope of the invention, will be suggested to those skilled in the art in light of the foregoing teachings.
Claims (6)
1. An injection molding method of glasses legs is characterized in that: the method comprises the following steps:
(1) Preparing a pin: preparing a pair of pins;
(2) Positioning the contact pin: an injection molding locating rod is arranged at the head part, the middle part and the tail part of each contact pin;
(3) Primary injection molding: arranging a first injection mold at each contact pin, and adopting an injection molding machine to perform first injection molding to prepare a semi-finished product of the glasses leg;
(4) Primary trimming: removing the first injection mold, and trimming each contact pin;
(5) Turning over the contact pin: turning over each contact pin;
(6) Secondary injection molding: arranging a second injection mold at each contact pin, and performing secondary injection molding by using an injection molding machine to obtain complete glasses legs;
(7) Secondary trimming: removing the second injection mold and trimming each glasses leg;
(8) Polishing glasses legs: and polishing the glasses legs by adopting sand paper.
2. The method of injection molding an earpiece of claim 1, wherein: the injection molding locating rods are all made of injection molding materials, and the injection molding materials are PA or PC or AC.
3. The method of injection molding an earpiece of claim 2, wherein: and (6) connecting the semi-finished products of the mirror legs formed by the first injection molding in the secondary injection molding process to form an integrated structure.
4. A method of injection molding an earpiece according to claim 3, characterized in that: and (7) cutting off the injection molding locating rod along the edge of each glasses leg during secondary trimming.
5. The method of injection molding an earpiece of claim 4, wherein: and (8) polishing by adopting No. 320 sand paper, spraying primer or powder after polishing, polishing by adopting No. 600 sand paper, and spraying a surface layer after polishing.
6. A method of injection molding an earpiece according to claim 1 or 5, characterized in that: the contact pin is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310605384.9A CN116587523A (en) | 2023-05-25 | 2023-05-25 | Injection molding method of glasses legs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310605384.9A CN116587523A (en) | 2023-05-25 | 2023-05-25 | Injection molding method of glasses legs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116587523A true CN116587523A (en) | 2023-08-15 |
Family
ID=87589615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310605384.9A Pending CN116587523A (en) | 2023-05-25 | 2023-05-25 | Injection molding method of glasses legs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116587523A (en) |
-
2023
- 2023-05-25 CN CN202310605384.9A patent/CN116587523A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |