CN1100367C - High-pressure molded communication connector casing and its molding process - Google Patents
High-pressure molded communication connector casing and its molding process Download PDFInfo
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- CN1100367C CN1100367C CN 99117349 CN99117349A CN1100367C CN 1100367 C CN1100367 C CN 1100367C CN 99117349 CN99117349 CN 99117349 CN 99117349 A CN99117349 A CN 99117349A CN 1100367 C CN1100367 C CN 1100367C
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Abstract
The present invention discloses a box casing for a communication optical (electric) distribution box and an injection molding technology of the box casing. The present invention is characterized in that a box seat cover plate, a box bottom seat, a door plate, a box bottom, a lining cover, a top cover, a side plate and a door frame are formed at one time by high-pressure injection molding by adopting AES engineering plastics forming the casing. The technology comprises the steps of the preparation of raw materials, the feed of the materials in a feed hopper of an injection machine by pumping, pre-baking, high-pressure injection molding, demoulding and post forming. The box casing for a communication optical (electric) distribution box is integrally formed. The product has the properties of heat insulation, damp prevention and flame resistance and can be used for a long time. Any surface treatment is not carried out on the surface of the product; moreover, the technology is mature, and the operation and the control are easy.
Description
The present invention relates to a kind of plastic product and Shooting Technique thereof, particularly a kind of employing high-pressure injection moulding technique component, one-time formed Communication ray () connector casing and Shooting Technique thereof.
Traditional type Communication ray () cable distributing box casing all adopts cold drawing and stainless steel manufacturing, the surface coated, after this product mainly used Exposure to Sunlight, the 3-5 that drenches with rain out of doors, the casing after face coat is peeled, got rusty was located in modernized big city, and appearance of the city inspection can't reach a standard.Effective storage life is too short.The metal forming poor sealing performance, outdoor harsh weather attacks cabinet, and precision component is badly damaged in the case.Change one time cabinet, will cause the one thousand families user temporarily can not use phone.Economic benefit is inferior.And general nonmetal box body shell adopts nonmetallic materials, and intermediate course is with sawing a board in a large number and glass is made packing material, surperficially uses the unsaturated-resin extrusion forming, and difficulty is used for outdoor use for a long time.
The objective of the invention is to be intended to restrain above-mentioned shortcoming, a kind of employing high-pressure injection moulding one-time formed Communication ray of technology () connector casing is provided, the high-pressure injection molding cabinet is that whole crystallization is polymerized to one, interior gene is closely linked, base-material color matching product surface is not being done any processing, attractive in appearance, luxurious, do not peel, do not fall layer, ageing-resistant excellent especially.Heat insulation, moistureproof, acid and alkali resistance use insulation property good under ambient temperature ,-40 ℃～+ 60 ℃ conditions for a long time.
The object of the present invention is achieved like this:
The present invention by block cover plate, case base, lining lid, door-plate, case at the bottom of, top cover, side plate, doorframe, door lock form, it is characterized in that: at the bottom of block cover plate, case base, lining lid, door-plate, the case, top cover, side plate and doorframe be the one-shot forming of employing AES engineering plastics high-pressure injection moulding.
Its Shooting Technique flow process is: raw material is prepared, and takes out material and goes into the injection molding machine feeding funnel, preliminary drying, high-pressure injection moulding, holder mould, post forming, finished product.
Its concrete technology and requirement are:
A, raw material are prepared
Select the AES engineering plastics for use, require:
The material machine is taken out in B, employing automatically, with raw material suction injection molding machine feeding funnel, and the pre-baking oven that enters injection molding machine carries out preliminary drying, its objective is dry raw material, prevent in the high-pressure injection moulding process, that generation was bubbled was crisp, burn phenomenon, and the preliminary drying temperature is 75-90 ℃, and the preliminary drying time is 4-10 hour, interior letter characteristic according to raw material AES engineering plastics, the preliminary drying time of No. 1 material is 4-6 hour, and the preliminary drying time of No. 2 material is 8-10 hour, and the preliminary drying time of No. 3 material is 8-10 hour.
C, high-pressure injection moulding
During injection moulding, barrel temperature is 190-225 ℃, and mold temperature is the 40-80 degree.
Ejaculation time during injection moulding, storing time, ejaculation pressure, issuing velocity, ejaculation dwell time, storing pressure, storing speed and storing back pressure are determined according to product is different, and be specific as follows:
The block cover plate penetrates time 29.2-32s, and storing time 38-29.8s penetrates pressure 35-75kg/cm
3, issuing velocity 10-30m/s penetrates dwell time 15-27s, storing pressure 40-75kg/cm
3, storing speed 10-32m/s, storing back pressure 5-25kg/cm
3
The case base penetrates time 47.2-54s, and storing time 92-97s penetrates pressure 40-90kg/cm
3, issuing velocity 10-30m/s penetrates dwell time 10-45s, storing pressure 40-75kg/cm
3, storing speed 10-30m/s, storing back pressure 10-30kg/cm
3
Lining covers ejaculation time 25-35s, and storing time 40-27s penetrates pressure 40-75kg/cm
3, issuing velocity 10-35m/s penetrates dwell time 12-35s, storing pressure 35-80kg/cm
3, storing speed 10-35m/s, storing back pressure 5-35kg/cm
3
Door-plate penetrates time 80.2-82.7s, and storing time 224-230s penetrates pressure 60-90kg/cm
3, issuing velocity 20-50m/s penetrates dwell time 10-55s, storing pressure 60-85kg/cm
3, storing speed 10-30m/s, storing back pressure 5-20kg/cm
3
Penetrate time 53-58s at the bottom of the case, storing time 73-84s penetrates pressure 40-90kg/cm
3, issuing velocity 10-30m/s penetrates dwell time 10-45s, storing pressure 40-75kg/cm
3, storing speed 10-30m/s, storing back pressure 10-20kg/cm
3
Top cover penetrates time 30-33s, and storing time 37-42s penetrates pressure 70-105kg/cm
3, issuing velocity 10-28m/s penetrates dwell time 10-25s, storing pressure 50-87kg/cm
3, storing speed 10-32m/s, storing back pressure 5-22kg/cm
3
Side plate penetrates time 30-34s, and storing time 34-37s penetrates pressure 30-80kg/cm
3, issuing velocity 10-28m/s penetrates dwell time 10-30s, storing pressure 50-85kg/cm
3, storing speed 10-38m/s, storing back pressure 15-40kg/cm
3
Doorframe penetrates time 52-65s, and storing time 71-78s penetrates pressure 30-90kg/cm
3, issuing velocity 10-45m/s penetrates dwell time 10-30s, storing pressure 25-90kg/cm
3, storing speed 15-38m/s, storing back pressure 10-30kg/cm
3
Determine according to product is different its cooling time in D, the holder mold process.
Block cover plate holder mould cooling time is greater than 90 seconds, and case collet mould cooling time is greater than 120 seconds, and lining lid holder mould cooling time is greater than 50 seconds, and door-plate holder mould cooling time is greater than 160 seconds, and side plate holder mould cooling time is greater than 120 seconds, and doorframe holder mould cooling time was greater than 150 seconds.
E, post forming
1, the fixed die location adds the matter correction.
2, product is incubated slow cooling under relevant temperature, eliminates stress fully.
3, product is poly-cold rapidly, eliminates stress fully.
4, product eliminates stress at normal temperatures naturally.
The present invention compared with prior art has the following advantages:
1, reach 20 years useful life, amount reliably assurance property is strong, generally do not need at ordinary times to safeguard and maintenance.Metallic cold plate cabinet alramenting sprayization is about 3 years, and rust surface plastic-blasting 3-5 gets rusty, the stainless steel damage of getting rusty about 5 years;
2, have good seal performance, insulation property, anti-corrosive properties, metal box body difficulty also realizes;
3, the profile novelty, attractive in appearance, luxurious, can with refrigerator, television set casing than beautiful;
4, abundant raw materials is to mould Dai Gang, current development abroad direction;
5, grasp Shooting Technique, equipment has world level comprehensively, and automatic numerical control is high in technological content, and output is big, the horizontal personnel operation of tool high-tech, maintenance;
6, production environment health, noise is little, and is nonpoisonous and tasteless, and labour intensity is low;
7, product after the moulding, do not resemble metal product plating zinc on surface, sprayization, plastic-blasting, assistant engineer's flow process big, can the complete machine assembling.
Provide embodiments of the invention below, and in conjunction with the embodiments, the present invention is described in further detail.
A, select for use No. 3 material in the AES engineering plastics to produce:
B, adopt and to take out the material machine automatically, with raw material suction injection molding machine feeding funnel, and the pre-baking oven that enters injection molding machine carries out preliminary drying, its objective is dry raw material, prevent in the high-pressure injection moulding process, produce bubbled crisp, burn phenomenon, the preliminary drying temperature is 78 ℃, and the preliminary drying time is 8 hours.
When C, high-pressure injection moulding, barrel temperature is 200 ℃, and mold temperature is 60 degree.
Ejaculation time during injection moulding, storing time, ejaculation pressure, issuing velocity, ejaculation dwell time, storing pressure, storing speed and storing back pressure are determined according to product is different, and be specific as follows:
The block cover plate penetrates time 29.2-32s, and storing time 38-29.8s penetrates pressure 35-75kg/cm
3, issuing velocity 10-30m/s penetrates dwell time 15-27s, storing pressure 40-75kg/cm
3, storing speed 10-32m/s, storing back pressure 5-25kg/cm
3
The case base penetrates time 47.2-54s, and storing time 92-97s penetrates pressure 40-90kg/cm
3, issuing velocity 10-30m/s penetrates dwell time 10-45s, storing pressure 40-75kg/cm
3, storing speed 10-30m/s, storing back pressure 10-30kg/cm
3
Lining covers ejaculation time 25-35s, and storing time 40-27s penetrates pressure 40-75kg/cm
3, issuing velocity 10-35m/s penetrates dwell time 12-35s, storing pressure 35-80kg/cm
3, storing speed 10-35m/s, storing back pressure 5-35kg/cm
3
Door-plate penetrates time 80.2-82.7s, and storing time 224-230s penetrates pressure 60-90kg/cm
3, issuing velocity 20-50m/s penetrates dwell time 10-55s, storing pressure 60-85kg/cm
3, storing speed 10-30m/s, storing back pressure 5-20kg/cm
3
Penetrate time 53-58s at the bottom of the case, storing time 73-84s penetrates pressure 40-90kg/cm
3, issuing velocity 10-30m/s penetrates dwell time 10-45s, storing pressure 40-75kg/cm
3, storing speed 10-30m/s, storing back pressure 10-20kg/cm
3
Top cover penetrates time 30-33s, and storing time 37-42s penetrates pressure 70-105kg/cm
3, issuing velocity 10-28m/s penetrates dwell time 10-25s, storing pressure 50-87kg/cm
3, storing speed 10-32m/s, storing back pressure 5-22kg/cm
3
Side plate penetrates time 30-34s, and storing time 34-37s penetrates pressure 30-80kg/cm
3, issuing velocity 10-28m/s penetrates dwell time 10-30s, storing pressure 50-85kg/cm
3, storing speed 10-38m/s, storing back pressure 15-40kg/cm
3
Doorframe penetrates time 52-65s, and storing time 71-78s penetrates pressure 30-90kg/cm
3, issuing velocity 10-45m/s penetrates dwell time 10-30s, storing pressure 25-90kg/cm
3, storing speed 15-38m/s, storing back pressure 10-30kg/cm
3
Determine according to product is different its cooling time in D, the holder mold process.
Block cover plate holder mould cooling time was greater than 90 seconds, case collet mould cooling time was greater than 120 seconds, lining lid holder mould cooling time was greater than 50 seconds, door-plate holder mould cooling time was greater than 160 seconds, case collet mould cooling time was greater than 110 seconds, top cover holder mould cooling time is greater than 60 seconds, and side plate holder mould cooling time is greater than 120 seconds, and doorframe holder mould cooling time was greater than 150 seconds.
E, post forming
With wooden model the semi-finished product that hold in the palm mould are carried out the school toward excessively just, adopt wooden model compacting dorsad, half-finished four angles are placed on the bed course plate, the wooden model press time is 25-50 minute, till the semi-finished product natural cooling, get finished product, its objective is to prevent that semi-finished product are out of shape in natural cooling process.
Integral molded plastic moulding of the present invention, product possesses heat insulation, moistureproof, flame-retarding characteristic can use for a long time, and product surface is not done any surface treatment, and technical maturity, easy operating control.
Claims (2)
1, a kind of Communication ray () of high-pressure injection molding handing-over punch-out equipment shell, by at the bottom of block cover plate, case base, lining lid, door-plate, the case, top cover, side plate, doorframe, door lock form, it is characterized in that: at the bottom of block cover plate, lining lid, door-plate, the case, top cover, side plate and doorframe be the one-shot forming of employing AES engineering plastics high-pressure injection moulding.
2, the Shooting Technique of the Communication ray () of a kind of high-pressure injection molding according to claim 1 handing-over punch-out equipment shell, it is characterized in that: the Shooting Technique flow process is: raw material is prepared, and takes out material and goes into the injection molding machine feeding funnel, preliminary drying, high-pressure injection moulding, the holder mould, post forming, finished product;
Its concrete technology and requirement are:
A, raw material are prepared
Select the AES engineering plastics for use, require:
B, adopt and to take out the material machine automatically, with raw material suction injection molding machine feeding funnel, and the pre-baking oven that enters injection molding machine carries out preliminary drying, and the preliminary drying temperature is 75-90 ℃, and the preliminary drying time is 4-10 hour;
C, high-pressure injection moulding
During injection moulding, barrel temperature is 190-225 ℃, and mold temperature is the 40-80 degree; Ejaculation time during injection moulding, storing time, ejaculation pressure, issuing velocity, ejaculation dwell time, storing speed and storing back pressure are determined according to product is different, and be specific as follows:
The block cover plate penetrates time 29.2-32s, and storing time 38-29.8s penetrates pressure 35-75kg/cm
3, issuing velocity 10-30m/s penetrates dwell time 15-27s, storing pressure 40-75kg/cm
3, storing speed 10-32m/s, storing back pressure 5-25kg/cm
3
The case base penetrates time 47.2-54s, and storing time 92-97s penetrates pressure 40-90kg/cm
3, issuing velocity 10-30/s penetrates dwell time 10-45s, storing pressure 40-75kg/cm
3, storing speed 10-30m/s, storing back pressure 10-30kg/cm
3
Lining covers ejaculation time 25-35s, and storing time 40-27s penetrates pressure 40-75kg/cm
3, issuing velocity 10-35m/s penetrates dwell time 12-35s, storing pressure 35-80kg/cm
3, storing speed 10-35/s, storing back pressure 5-35kg/cm
3
Door-plate penetrates time 80.2-82.7s, and storing time 224-230s penetrates pressure 60-90kg/cm
3, issuing velocity 20-50m/s penetrates dwell time 10-55s, storing pressure 60-85kg/cm
3, storing speed 10-30m/s, storing back pressure 5-20kg/cm
3
Penetrate time 53-58s at the bottom of the case, storing time 73-84s penetrates pressure 40-90kg/cm
3, issuing velocity 10-30m/s penetrates dwell time 10-45s, storing pressure 40-75kg/cm
3, storing speed 10-30m/s, storing back pressure 10-20kg/cm
3
Top cover penetrates time 30-33s, and storing time 37-42s penetrates pressure 70-105kg/cm
3, issuing velocity 10-28m/s penetrates dwell time 10-25s, storing pressure 50-87kg/cm
3, storing speed 10-32m/s, storing back pressure 5-22kg/cm
3
Side plate penetrates time 30-34s, and storing time 34-37s penetrates pressure 30-80kg/cm
3, issuing velocity 10-28m/s penetrates dwell time 10-30s, storing pressure 50-85kg/cm
3, storing speed 10-38m/s, storing back pressure 15-40kg/cm
3
Doorframe penetrates time 52-65s, and storing time 71-78s penetrates pressure 30-90kg/cm
3, issuing velocity 10-45m/s penetrates dwell time 10-30s, storing pressure 25-90kg/cm
3, storing speed 15-38m/s, storing back pressure 10-30kg/cm
3
Determine according to product is different its cooling time in D, the holder mold process
Block cover plate holder mould cooling time is greater than 90 seconds, and case collet mould cooling time is greater than 120 seconds, and lining lid holder mould cooling time is greater than 50 seconds, and door-plate holder mould cooling time is greater than 160 seconds, and side plate holder mould cooling time is greater than 120 seconds, and doorframe holder mould cooling time was greater than 150 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117349 CN1100367C (en) | 1999-11-08 | 1999-11-08 | High-pressure molded communication connector casing and its molding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117349 CN1100367C (en) | 1999-11-08 | 1999-11-08 | High-pressure molded communication connector casing and its molding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1295363A CN1295363A (en) | 2001-05-16 |
| CN1100367C true CN1100367C (en) | 2003-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99117349 Expired - Fee Related CN1100367C (en) | 1999-11-08 | 1999-11-08 | High-pressure molded communication connector casing and its molding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1100367C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362531A (en) * | 2014-12-02 | 2015-02-18 | 国家电网公司 | Manufacturing method of plastic power distribution cabinet |
-
1999
- 1999-11-08 CN CN 99117349 patent/CN1100367C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1295363A (en) | 2001-05-16 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030129 Termination date: 20111108 |