CN105034234A - Trapezoidal rubber sheet air bag forming method - Google Patents
Trapezoidal rubber sheet air bag forming method Download PDFInfo
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- CN105034234A CN105034234A CN201510335590.8A CN201510335590A CN105034234A CN 105034234 A CN105034234 A CN 105034234A CN 201510335590 A CN201510335590 A CN 201510335590A CN 105034234 A CN105034234 A CN 105034234A
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- rubber slab
- counterdie
- patrix
- vacuum
- air bag
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000012802 pre-warming Methods 0.000 abstract 1
- 238000009966 trimming Methods 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
A trapezoidal rubber sheet air bag forming method belongs to the technical field of manufacture of composite product forming dies and solves the problems that a trapezoidal rubber sheet air bag formed by a conventional trapezoidal rubber sheet air bag forming method is uneven in wall thickness and high in probability of up-warping of bonding edges because rubber sheets are in poor fit with a forming die, can be deformed and are uneven in compression. The trapezoidal rubber sheet air bag forming method comprises the following steps: pre-warming, laying of rubber sheets, negative-pressure compacting fit, end filling, die assembly, negative-pressure compacting fit, curing and die opening and shape trimming. The trapezoidal rubber sheet air bag forming method is used for manufacturing a trapezoidal rubber sheet air bag.
Description
Technical field
The invention belongs to composite products mould manufacturing technology field, be specifically related to a kind of trapezoidal rubber slab air bag forming method.
Background technology
Rubber slab air bag is the mould being widely used in composite products, as: the reinforcement hollow products of window frame, doorframe, wallboard etc. all needs rubber slab air bag secondary process, the process-cycle of product can be reduced with the shaping above-mentioned composite products of rubber slab air bag, improve the intensity of product, cut down finished cost, increase work efficiency, trapezoidal rubber slab air bag is one of indispensable frock accessory of shaping trapezoidal tubulose composite products, trapezoidal rubber slab air bag must have the profile corresponding with composite trapezoidal tubular products heart size of a fairing, the wall thickness of trapezoidal rubber slab air bag is wanted evenly, to ensure by external force homogeneous deformation, also need to ensure air-tightness, a up-to-standard trapezoidal rubber slab air bag just can mold qualified composite products, the forming method of current trapezoidal rubber slab air bag first processes the measure-alike air bag mould of the interior shape of a model cavity and trapezoidal tubulose composite products, mould is divided into upper die and lower die along the widest part of model cavity, alignment pin is adopted to locate and be provided with connecting bolt between upper die and lower die, fastening between upper die and lower die, patrix is arranged and opens mould screwed hole, for upper die and lower die are separated, at the two ends of upper die and lower die, end plate is set, end plate and upper die and lower die are fastened by bolts, the end plate of one end is wherein arranged one and insert the circular hole that vacuum connects mouth, the working portion girth again raw material rubber slab being pressed mould amplifies 10mm, then rubber slab is rolled into tubular, when ensureing air bag girth, rubber slab dual-side is sticked together, tubular rubber slab is put into mould, reinstall vacuum and connect mouth, matched moulds is heating and curing and forms trapezoidal rubber slab air bag, the method easily occurs that rubber slab and mould are fitted bad, and produce distortion, pressurized is uneven, cause shaping trapezoidal rubber slab air bag to occur the even phenomenon of wall unevenness, and bonding edge easily tilts gas leakage.
Summary of the invention
The forming method that the object of the invention is to solve current trapezoidal rubber slab air bag easily occurs that rubber slab and mould are fitted bad, produce distortion, pressurized is uneven, shaping trapezoidal rubber slab air bag is caused to occur the even phenomenon of wall unevenness, and bonding edge easily tilts the problem of gas leakage, provide a kind of trapezoidal rubber slab air bag forming method, its technical scheme is as follows:
A kind of trapezoidal rubber slab air bag forming method, it comprises following steps:
The first step, in advance temperature, by pre-for mould temperature 40 DEG C, 40 DEG C of constant temperature 1-2 hour;
Second step, lay rubber slab, two-layer rubber slab is laid respectively in the model cavity of upper die and lower die, rubber slab and mould are as far as possible sturdy, the dual-side of the ground floor rubber slab of upper die and lower die is concordant with model cavity, and the dual-side of the second layer rubber slab of upper die and lower die reserves the flange of more than 2 millimeters or 2 millimeters in the outside of model cavity;
3rd step, negative pressure is sturdy, the upper die and lower die laying rubber slab are loaded in vacuum bag, take out negative pressure 0.07-0.09Mpa, more than 30 minutes time, utilize negative pressure by two-layer rubber slab and upper die and lower die completely sturdy, then taken out in vacuum bag by upper die and lower die, the dual-side of second layer rubber slab of finishing upper die and lower die reserves the flange of 2 millimeters in the outside of model cavity;
4th step, fill termination, the rubber slab laying 40-60 millimeters long at the model cavity two ends of counterdie is filled, packed height is consistent with the model cavity height of mould, end plate is arranged and inserts one end that vacuum connects the circular hole of mouth when filling, on contrast end plate, the position of circular hole arranges vacuum and connects mouth in filled rubber slab;
5th step, matched moulds, upper die and lower die are carried out matched moulds, with bolted, ensure that the gap between upper die and lower die is less than 0.5 millimeter, then end plate is installed, end plate is connected closely by bolt with upper die and lower die, preferably, between end plate and upper die and lower die, lay rubber slab, make better to seal between end plate and upper die and lower die;
6th step, negative pressure is sturdy, mould entirety after matched moulds is put into vacuum bag, vacuum connects mouth and is exposed at outside vacuum bag, vacuum connects between mouth and vacuum bag and seals, and takes out negative pressure 0.08-0.1Mpa to sealing bag, more than 30 minutes time, in 5 minutes vacuum meter reading decline be no more than 0.017Mpa, make the rubber slab in mould and mould sturdy;
7th step, solidification, puts into curing oven by mould together with vacuum bag, vacuum valve on vacuum bag is connected with the negative tube of curing oven, keep heating after negative pressure 0.08-0.1Mpa in vacuum bag, heating rate is set to 1.5 DEG C/min, and maximum temperature is set to 175 DEG C, malleation 0.6MPa ± 0.01MPa is kept in curing oven, 175 DEG C of constant temperature 120 minutes ± 10 minutes, then starts cooling, when temperature drops to 60 DEG C, start pressure release, temperature is come out of the stove after being down to room temperature;
8th step, opens mould and recontour.
Beneficial effect of the present invention is: improve production efficiency, decreases the generation of waste product, and behaviour does simple, reduces production cost, improves product quality.
accompanying drawing illustrates:
Fig. 1 is the schematic diagram that the second step in the present invention lays two-layer rubber slab in the model cavity of upper die and lower die;
Fig. 2 is the schematic diagram that the 4th step in the present invention is filled at the model cavity two ends of counterdie laying rubber slab.
detailed description of the invention:
See figures.1.and.2, a kind of trapezoidal rubber slab air bag forming method, it comprises following steps:
The first step, in advance temperature, by pre-for mould temperature 40 DEG C, 40 DEG C of constant temperature 1-2 hour;
Second step, lay rubber slab, two-layer rubber slab 3 is laid respectively in the model cavity of patrix 1 and counterdie 2, rubber slab 3 is as far as possible sturdy with mould, patrix 1 is concordant with model cavity with the dual-side of the ground floor rubber slab 3 of counterdie 2, and the dual-side of the second layer rubber slab 3 of patrix 1 and counterdie 2 reserves the flange of more than 2 millimeters or 2 millimeters in the outside of model cavity;
3rd step, negative pressure is sturdy, the patrix 1 and counterdie 2 of laying rubber slab 3 are loaded in vacuum bag, take out negative pressure 0.07-0.09Mpa, more than 30 minutes time, utilize negative pressure by two-layer rubber slab 3 and patrix 1 and counterdie 2 completely sturdy, then patrix 1 and counterdie 2 are taken out in vacuum bag, the dual-side of the second layer rubber slab 3 of finishing patrix 1 and counterdie 2 reserves the flange of 2 millimeters in the outside of model cavity;
4th step, fill termination, the rubber slab 3 laying 40-60 millimeters long at the model cavity two ends of counterdie 2 is filled, packed height is consistent with the model cavity height of mould, end plate is arranged and inserts one end that vacuum connects the circular hole of mouth 4 when filling, on contrast end plate, the position of circular hole arranges vacuum and connects mouth 4 in filled rubber slab 3;
5th step, matched moulds, patrix 1 and counterdie 2 are carried out matched moulds, with bolted, ensure that the gap between patrix 1 and counterdie 2 is less than 0.5 millimeter, then end plate is installed, end plate is connected closely by bolt with patrix 1 and counterdie 2, preferably, lay rubber slab 3 at end plate and between patrix 1 and counterdie 2, make end plate and better seal between patrix 1 and counterdie 2;
6th step, negative pressure is sturdy, mould entirety after matched moulds is put into vacuum bag, vacuum connects mouth 4 and is exposed at outside vacuum bag, vacuum connects between mouth 4 and vacuum bag and seals, and takes out negative pressure 0.08-0.1Mpa to sealing bag, more than 30 minutes time, in 5 minutes, the decline of vacuum meter reading is no more than 0.017Mpa, makes the rubber slab 3 in mould sturdy with mould;
7th step, solidification, puts into curing oven by mould together with vacuum bag, vacuum valve on vacuum bag is connected with the negative tube of curing oven, keep heating after negative pressure 0.08-0.1Mpa in vacuum bag, heating rate is set to 1.5 DEG C/min, and maximum temperature is set to 175 DEG C, malleation 0.6MPa ± 0.01MPa is kept in curing oven, 175 DEG C of constant temperature 120 minutes ± 10 minutes, then starts cooling, when temperature drops to 60 DEG C, start pressure release, temperature is come out of the stove after being down to room temperature;
8th step, opens mould and recontour.
Claims (3)
1. a trapezoidal rubber slab air bag forming method, it comprises following steps:
The first step, in advance temperature, by pre-for mould temperature 40 DEG C, 40 DEG C of constant temperature 1-2 hour;
It is characterized in that,
Second step, lay rubber slab, two-layer rubber slab (3) is laid respectively in the model cavity of patrix (1) and counterdie (2), patrix (1) is concordant with model cavity with the dual-side of the ground floor rubber slab (3) of counterdie (2), and the dual-side of the second layer rubber slab (3) of patrix (1) and counterdie (2) reserves the flange of more than 2 millimeters or 2 millimeters in the outside of model cavity;
3rd step, negative pressure is sturdy, patrix (1) and the counterdie (2) that to lay rubber slab (3) load in vacuum bag, take out negative pressure 0.07-0.09Mpa, more than 30 minutes time, then patrix (1) and counterdie (2) are taken out in vacuum bag, the dual-side of the second layer rubber slab (3) of finishing patrix (1) and counterdie (2) reserves the flange of 2 millimeters in the outside of model cavity;
4th step, fill termination, lay rubber slab (3) to fill at the model cavity two ends of counterdie (2), packed height is consistent with the model cavity height of mould, end plate is arranged and inserts one end that vacuum connects the circular hole of mouth (4) when filling, on contrast end plate, the position of circular hole arranges vacuum and connects mouth (4) in filled rubber slab (3);
5th step, matched moulds, patrix (1) and counterdie (2) are carried out matched moulds, with bolted, ensure that the gap between patrix (1) and counterdie (2) is less than 0.5 millimeter, install end plate again, end plate is connected closely by bolt with patrix (1) and counterdie (2);
6th step, negative pressure is sturdy, mould entirety after matched moulds is put into vacuum bag, vacuum connects mouth (4) and is exposed at outside vacuum bag, vacuum connects between mouth (4) and vacuum bag and seals, take out negative pressure 0.08-0.1Mpa to sealing bag, more than 30 minutes time, in 5 minutes, the decline of vacuum meter reading is no more than 0.017Mpa;
7th step, solidification, puts into curing oven by mould together with vacuum bag, vacuum valve on vacuum bag is connected with the negative tube of curing oven, keep heating after negative pressure 0.08-0.1Mpa in vacuum bag, heating rate is set to 1.5 DEG C/min, and maximum temperature is set to 175 DEG C, malleation 0.6MPa ± 0.01MPa is kept in curing oven, 175 DEG C of constant temperature 120 minutes ± 10 minutes, then starts cooling, when temperature drops to 60 DEG C, start pressure release, temperature is come out of the stove after being down to room temperature.
2. a kind of trapezoidal rubber slab air bag forming method as claimed in claim 1, is characterized in that the 4th step, fills termination, and the rubber slab (3) laying 40-60 millimeters long at the model cavity two ends of counterdie (2) is filled.
3. a kind of trapezoidal rubber slab air bag forming method as claimed in claim 1, when it is characterized in that it comprises installation end plate, lays rubber slab (3) at end plate and between patrix (1) and counterdie (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510335590.8A CN105034234B (en) | 2015-06-17 | 2015-06-17 | Trapezoidal rubber slab air bag forming method |
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| CN201510335590.8A CN105034234B (en) | 2015-06-17 | 2015-06-17 | Trapezoidal rubber slab air bag forming method |
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| CN105034234A true CN105034234A (en) | 2015-11-11 |
| CN105034234B CN105034234B (en) | 2017-07-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531759A (en) * | 2020-04-15 | 2020-08-14 | 李宁（中国）体育用品有限公司 | Air bag mold and air bag manufacturing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1883912A (en) * | 2006-06-06 | 2006-12-27 | 天津工业大学 | Method for producing sealing rubber air-bag male die and resin transfer molding method therefor |
| CN103341987A (en) * | 2013-06-17 | 2013-10-09 | 沈阳飞机工业（集团）有限公司 | Co-curing process for omega-stringer vertical and horizontal reinforcement composite integral wallboard |
| CN103448259A (en) * | 2013-09-18 | 2013-12-18 | 沈阳飞机工业（集团）有限公司 | Automatic belt paving machine blank folding tool convenient to transfer and folding method |
| CN104669642A (en) * | 2015-01-13 | 2015-06-03 | 哈尔滨飞机工业集团有限责任公司 | Method for molding tail blades of composite material by using airbag |
-
2015
- 2015-06-17 CN CN201510335590.8A patent/CN105034234B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1883912A (en) * | 2006-06-06 | 2006-12-27 | 天津工业大学 | Method for producing sealing rubber air-bag male die and resin transfer molding method therefor |
| CN103341987A (en) * | 2013-06-17 | 2013-10-09 | 沈阳飞机工业（集团）有限公司 | Co-curing process for omega-stringer vertical and horizontal reinforcement composite integral wallboard |
| CN103448259A (en) * | 2013-09-18 | 2013-12-18 | 沈阳飞机工业（集团）有限公司 | Automatic belt paving machine blank folding tool convenient to transfer and folding method |
| CN104669642A (en) * | 2015-01-13 | 2015-06-03 | 哈尔滨飞机工业集团有限责任公司 | Method for molding tail blades of composite material by using airbag |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531759A (en) * | 2020-04-15 | 2020-08-14 | 李宁（中国）体育用品有限公司 | Air bag mold and air bag manufacturing method |
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| CN105034234B (en) | 2017-07-04 |
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Address after: 150000 Heilongjiang city in Harbin Province, Hanan Industrial Park starting area Applicant after: GUANGLIAN AVIATION INDUSTRY Co.,Ltd. Address before: 150000 Heilongjiang city in Harbin Province, Hanan Industrial Park starting area Applicant before: HARBIN GUANGLIAN AEROSPACE COMPOSITE MATERIAL TECHNOLOGICAL EQUIPMENT Co.,Ltd. |
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Effective date of registration: 20240207 Address after: 710000 No. 1399, Yunhan Road, National Aviation High-tech Industrial Base, Xi'an, Shaanxi Province Patentee after: Guanglian Airlines (Xi'an) Co.,Ltd. Country or region after: China Address before: 150000 start up area of Hanan industrial new town, Harbin City, Heilongjiang Province Patentee before: GUANGLIAN AVIATION INDUSTRY Co.,Ltd. Country or region before: China |