CN104972599A - Injection molding technology of lampshade - Google Patents
Injection molding technology of lampshade Download PDFInfo
- Publication number
- CN104972599A CN104972599A CN201510324870.9A CN201510324870A CN104972599A CN 104972599 A CN104972599 A CN 104972599A CN 201510324870 A CN201510324870 A CN 201510324870A CN 104972599 A CN104972599 A CN 104972599A
- Authority
- CN
- China
- Prior art keywords
- aluminum component
- rear mold
- location division
- lampshade
- plastic layer
- 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.)
- Granted
Links
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
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- 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
- B29C45/14008—Inserting articles into the mould
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- 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
-
- 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
- B29C45/2681—Moulds with rotatable mould parts
-
- 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
- B29C2045/2683—Plurality of independent mould cavities in a single mould
- B29C2045/2691—Plurality of independent mould cavities in a single mould sequentially filled
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to an injection molding technology, in particular to an injection molding technology of a lampshade. The technology comprises the following steps that a lampshade injection mold is manufactured, and the injection g mold comprises a front mold body and a rear mold body; the rear mold is provided with a rear mold locating portion allowing an aluminum part to be clamped in a sleeving manner, and the front mold is provided with a first sinking portion and a second sinking portion; the rear mold locating portion is sleeved with the aluminum part, and the front mold and the rear mold are assembled, the rear mold locating portion and the aluminum part enter the first sinking portion to form a first cavity in a defined manner; rubber is injected into the first cavity through a first glue shooting opening to form an aluminum part inner side plastic layer; the rear mold locating portion sleeved with the aluminum part is separated from the front mold, the rear mold rotates by 180 degrees, and therefore the aluminum part with the aluminum part inner side plastic layer in an injected manner corresponds to the second sinking portion of the front mold; and the front mold and the rear mold are assembled, the rear mold locating portion and the aluminum part with the inner side plastic layer in an injected manner enter the second sinking portion to form a second cavity in a defined manner, and an aluminum part outer side plastic layer is formed through the glue shooting opening. According to the technology, the phenomenon that in the shooting-out process, the aluminum part is extruded to deform is avoided, and the yield of an injection molding product is improved.
Description
Technical field
The present invention relates to a kind of Shooting Technique, be specifically related to a kind of lampshade Shooting Technique.
Background technology
The first technical scheme in prior art: do injection moulding with heavy wall aluminum component and produce: die casting heavy wall aluminum component (more than 2MM), aluminum component intensity is enough, and once penetrate the plastic cement in outside in aluminum component, aluminum component can not produce displacement.Shortcoming: aluminum component substance is large, and material cost is high, and aluminum component extrusion process cost is greater than the cost of stretching aluminum component, and die casting aluminum component needs the machined cost of back segment, and unit price does not have competitiveness.
The second technical scheme in prior art: produce with thin-walled aluminum component (0.6mm) injection moulding that stretches: can only plastic cement outside shaping aluminum component, is used for inside aluminum component mould location, preventing thin-walled stretching aluminum component to be out of shape when height injects by pressure.The independent die forming of plastic cement inside aluminum component, is then assembled into inside aluminum component afterwards.Shortcoming: inside aluminum component, plastic cement needs the Shooting Technique of another time to be shaped, and inside aluminum component, plastic parts needs back segment to assemble, these two techniques all can produce extra cost, and unit price does not have competitiveness.
The third technical scheme in prior art: produce with thin-walled aluminum component (0.6mm) injection moulding that stretches: the plastic cement in outside in disposable injection aluminum component, because in aluminum component, outside plastic cement flowing does not ensure synchronous; thin-walled aluminum component cannot bear the injection pressure of one-sided 50Mpa; so aluminum component can be exposed to surface; cause product bad; fraction defective is too high, cannot steady production.Shortcoming: production technology is unstable, technique needs to improve.
Summary of the invention
For solving the problem of prior art, the object of the present invention is to provide and a kind ofly produce the high lampshade Shooting Technique of yield.
To achieve these goals, the present invention adopts following technical scheme: a kind of lampshade Shooting Technique, is characterized in that, comprise the steps:
1) make lampshade injection mold, described injection mold comprises front mould and rear mold, and described rear mold is provided with the rear mold location division for aluminum component cutting ferrule, and described front mould is respectively equipped with the first depressed part and the second depressed part;
2) aluminum component is enclosed within rear mold location division, forward and backward mould matched moulds makes rear mold location division and aluminum component enter the first depressed part, closely cooperate completely outside first depressed part and aluminum component, rear mold location division and aluminum component enclose the first die cavity, and by the first injection molding mouth, glue are injected plastic layer inside the first die cavity formation aluminum component;
3) cover has the rear mold location division of aluminum component to be separated with front mould, rear mold revolves turnback makes the aluminum component being injected with inner side plastic layer corresponding with the second depressed part position of front mould, forward and backward mould matched moulds makes rear mold location division enter the second depressed part to enclose the second die cavity with the aluminum component being injected with inner side plastic layer, and by the second injection molding mouth, glue is injected plastic layer outside the second die cavity formation aluminum component.
Aforesaid a kind of lampshade Shooting Technique, in step 2) in, inside aluminum component, plastic layer is between aluminum component and rear mold location division, and is all connected with aluminum component and rear mold location division.
Aforesaid a kind of lampshade Shooting Technique, in step 2) in, inside aluminum component, plastic layer and the connected mode inside aluminum component are for being locally connected.
Aforesaid a kind of lampshade Shooting Technique, described lampshade injection mold is connected with double-screw injection molding machine.
Aforesaid a kind of lampshade Shooting Technique, described rear mold location division is 8, and the first depressed part and the second depressed part that are positioned at front mould are respectively 4.
Aforesaid a kind of lampshade Shooting Technique, in step 3), when cover has the rear mold location division of aluminum component to be separated with front mould, aluminum component is not separated with rear mold location division, and now aluminum component is connected with plastic layer inside aluminum component.
The present invention uses double-colored (twin-screw) injection machine, first time closely cooperates with the die steel (i.e. the first depressed part) of injection mold front mould completely by outside aluminum component, plastic cement only inside injection aluminum component, but product can not eject (stay in rear mold, treat second time injection); The rear mold of first time injection rotates to another pitch of injection machine, then before and after, mould closes tight formation the second die cavity, plastic layer outside injection aluminum component, now can ensure the position that thin-walled stretching aluminum component (0.6mm) can rest on plastic cement drawing specification completely and specifies.When the present invention can prevent from penetrating, aluminum component is extruded distortion, improves injecting products yield.
Accompanying drawing explanation
Fig. 1 is lampshade structure figure of the present invention;
Fig. 2 is plastic rubber shaping structure chart inside lampshade aluminum component of the present invention;
Fig. 3 is plastic rubber shaping schematic diagram inside aluminum component in lampshade Shooting Technique;
Fig. 4 is plastic rubber shaping schematic diagram outside aluminum component in lampshade Shooting Technique;
The implication of Reference numeral in figure: plastic layer outside 1 aluminum component, 2 aluminum components, plastic layer inside 3 aluminum components, 4 rear mold location divisions, 5 first injection molding mouths, 6 rear molds, 7 second injection molding mouths, 8 front moulds.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, concrete introduction is done to the present invention.
A kind of lampshade Shooting Technique, is characterized in that, comprise the steps:
1) make lampshade injection mold, described injection mold comprises front mould 8 and rear mold 6, and described rear mold 6 is provided with the rear mold location division 4 for aluminum component cutting ferrule, and described front mould 8 is respectively equipped with the first depressed part and the second depressed part;
2) aluminum component is enclosed within rear mold location division, sheathed mode is fit with local, rear mold location division inside aluminum component 2, part of not fitting forms the first die cavity, the shape of the first die cavity is identical with the shape size of plastic layer inside aluminum component, closely cooperate completely outside first depressed part and aluminum component, namely do not have gap, forward and backward mould matched moulds makes rear mold location division and aluminum component enter the first depressed part of front mould to enclose the first die cavity, and by the first injection molding mouth 5, glue is injected plastic layer 3 inside the first die cavity formation aluminum component.Inside aluminum component, plastic layer is between aluminum component and rear mold location division, and is all connected with aluminum component and rear mold location division.Inside aluminum component, plastic layer and the connected mode inside aluminum component are for being locally connected;
3) cover has the rear mold location division of aluminum component to be separated with front mould, rear mold revolves turnback, and to make to be injected with the aluminum component of plastic layer inside aluminum component corresponding with the second depressed part position of front mould, forward and backward mould matched moulds makes rear mold location division enter the second depressed part to enclose the second die cavity with the aluminum component being injected with inner side plastic layer, and by the second injection molding mouth 7, glue is injected plastic layer 1 outside the second die cavity formation aluminum component.When cover has the rear mold location division of aluminum component to be separated with front mould, aluminum component is not separated with rear mold location division, and now aluminum component is connected with plastic layer inside aluminum component.
4) before and after after, mould is separated, and product after ejecting injection moulding.
Described rear mold location division is 8, and the first depressed part and the second depressed part that are positioned at front mould are respectively 4, complete multiple product injection moulding simultaneously.2 rear mold location divisions, 1 the first depressed part and 1 the second depressed part form a unit, and 2 rear mold location divisions are relative with the second depressed part difference position with the first depressed part respectively.During first time matched moulds, inner side injecting glue is carried out to the aluminum component on 1 rear mold location division, then rotating makes aluminum component on 1 rear mold location division just to the second depressed part, another rear mold location division is just to the first depressed part simultaneously, completes the outside injection moulding of a product and the inner side injecting glue of another product afterwards simultaneously.
The present invention uses double-colored (twin-screw) injection machine, first time closely cooperates with the die steel (i.e. the first depressed part) of injection mold front mould completely by outside aluminum component, plastic cement only inside injection aluminum component, but product can not eject (stay in rear mold, treat second time injection); The rear mold of first time injection rotates to another pitch of injection machine, then before and after, mould closes tight formation the second die cavity, plastic layer outside injection aluminum component, now can ensure the position that thin-walled stretching aluminum component (0.6mm) can rest on plastic cement drawing specification completely and specifies.
It should be noted that, above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (6)
1. a lampshade Shooting Technique, is characterized in that, comprises the steps:
1) make lampshade injection mold, described injection mold comprises front mould and rear mold, and described rear mold is provided with the rear mold location division for aluminum component cutting ferrule, and described front mould is respectively equipped with the first depressed part and the second depressed part;
2) aluminum component is enclosed within rear mold location division, forward and backward mould matched moulds makes rear mold location division and aluminum component enter the first depressed part, closely cooperate completely outside first depressed part and aluminum component, rear mold location division and aluminum component enclose the first die cavity, and by the first injection molding mouth, glue are injected plastic layer inside the first die cavity formation aluminum component;
3) cover has the rear mold location division of aluminum component to be separated with front mould, rear mold revolves turnback makes the aluminum component being injected with inner side plastic layer corresponding with the second depressed part position of front mould, forward and backward mould matched moulds makes rear mold location division enter the second depressed part to enclose the second die cavity with the aluminum component being injected with inner side plastic layer, and by the second injection molding mouth, glue is injected plastic layer outside the second die cavity formation aluminum component.
2. a kind of lampshade Shooting Technique according to claim 1, is characterized in that, in step 2) in, inside aluminum component, plastic layer is between aluminum component and rear mold location division, and is all connected with aluminum component and rear mold location division.
3. a kind of lampshade Shooting Technique according to claim 1, is characterized in that, in step 2) in, inside aluminum component, plastic layer and the connected mode inside aluminum component are for being locally connected.
4. a kind of lampshade Shooting Technique according to claim 1, is characterized in that, described lampshade injection mold is connected with double-screw injection molding machine.
5. a kind of lampshade Shooting Technique according to claim 1, is characterized in that, described rear mold location division is 8, and the first depressed part and the second depressed part that are positioned at front mould are respectively 4.
6. a kind of lampshade Shooting Technique according to claim 1, is characterized in that, in step 3), when cover has the rear mold location division of aluminum component to be separated with front mould, aluminum component is not separated with rear mold location division, and now aluminum component is connected with plastic layer inside aluminum component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324870.9A CN104972599B (en) | 2015-06-15 | 2015-06-15 | A kind of lampshade Shooting Technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324870.9A CN104972599B (en) | 2015-06-15 | 2015-06-15 | A kind of lampshade Shooting Technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104972599A true CN104972599A (en) | 2015-10-14 |
| CN104972599B CN104972599B (en) | 2017-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510324870.9A Active CN104972599B (en) | 2015-06-15 | 2015-06-15 | A kind of lampshade Shooting Technique |
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| Country | Link |
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| CN (1) | CN104972599B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522703A (en) * | 2016-01-08 | 2016-04-27 | 金陵科技学院 | Injection mould for car lampshade |
| CN105773907A (en) * | 2016-05-13 | 2016-07-20 | 东莞铭普光磁股份有限公司 | Electronic tag plug of optical fiber connector and injection molding method of electronic tag plug |
| WO2019170101A1 (en) * | 2018-03-06 | 2019-09-12 | 广东君盛照明科技有限公司 | Method for manufacturing integrated lamp cup, and structure for fit between integrated lamp cup and mold |
| CN111823481A (en) * | 2019-04-22 | 2020-10-27 | 无锡小天鹅电器有限公司 | Preparation device and preparation method of cavitation nozzle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105522703A (en) * | 2016-01-08 | 2016-04-27 | 金陵科技学院 | Injection mould for car lampshade |
| CN105773907A (en) * | 2016-05-13 | 2016-07-20 | 东莞铭普光磁股份有限公司 | Electronic tag plug of optical fiber connector and injection molding method of electronic tag plug |
| CN105773907B (en) * | 2016-05-13 | 2018-02-06 | 东莞铭普光磁股份有限公司 | A kind of joints of optical fibre electronic tag plug and its injection moulding process |
| WO2019170101A1 (en) * | 2018-03-06 | 2019-09-12 | 广东君盛照明科技有限公司 | Method for manufacturing integrated lamp cup, and structure for fit between integrated lamp cup and mold |
| CN111823481A (en) * | 2019-04-22 | 2020-10-27 | 无锡小天鹅电器有限公司 | Preparation device and preparation method of cavitation nozzle |
| CN111823481B (en) * | 2019-04-22 | 2022-05-20 | 无锡小天鹅电器有限公司 | Preparation device and preparation method of cavitation spray nozzle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104972599B (en) | 2017-12-12 |
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Effective date of registration: 20210209 Address after: 215324 No.8 Jinfa Road, Jinxi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Huangyu precision technology (Suzhou) Co.,Ltd. Address before: 215300 No.8, Jinfa Road, Jinxi Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: SUZHOU QIANYU ELECTRONIC TECHNOLOGY Co.,Ltd. |