CN102628260A - Air bag for retaining dam and method for machining air bag by vulcanization of plate vulcanizing machine - Google Patents
Air bag for retaining dam and method for machining air bag by vulcanization of plate vulcanizing machine Download PDFInfo
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- CN102628260A CN102628260A CN201210110046XA CN201210110046A CN102628260A CN 102628260 A CN102628260 A CN 102628260A CN 201210110046X A CN201210110046X A CN 201210110046XA CN 201210110046 A CN201210110046 A CN 201210110046A CN 102628260 A CN102628260 A CN 102628260A
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Abstract
The invention relates to an air bag for a retaining dam and a method for machining the air bag by the vulcanization of a plate vulcanizing machine, and belongs to the technical field of air bags for retaining dams and air bag machining methods. The air bag comprises an inner rubber layer and an outer rubber layer. A skeleton layer is sandwiched between the inner and outer rubber layers. The inner and outer rubber layers and the skeleton layer are combined into an integral structure by a vulcanization technology. The machining method comprises the following steps of: (1) calendering for rubberizing; (2) molding; (3) pre-vulcanization; (4) vulcanization; (5) air bag truing; and 6) tightness and pressure resistance test. The air bag for the retaining dam is high in tightness, compactness and physical property. The machining method for the air bag is simple and easy to operate.
Description
Technical field
The present invention relates to a kind of checkdam air bag and vulcanizing press thereof sulfuration processing method, belong to checkdam air bag and processing method technical field thereof.
Background technology
At present, existing air bag is adding man-hour, directly sulfuration after the moulding, and the air bag tightness of making like this, tight type, physical property are all general.
Summary of the invention
The objective of the invention is to solve the deficiency that above-mentioned prior art exists, the checkdam air bag of a kind of high-air-tightness, high compactness, high physical property is provided, the processing method of this air bag is simple and direct, easy operating.
The present invention realizes through following technical scheme:
A kind of checkdam air bag, its special character are to comprise rubber internal layer 1, rubber outer 2, are folded with casing play 3 between the two, and the three is through the sulfurization technology structure that is combined as a whole;
Said rubber internal layer 1, rubber outer 2 comprise cord fabric and rubber layer, and cord fabric and rubber layer fit tightly and are formed as one through rolling technology;
Said casing play 3 is the 2-10 layer, and every layer of casing play 3 comprises cord fabric and rubber layer, and cord fabric and rubber layer fit tightly and are one through rolling technology, form one deck casing play 3, and cord 5 angles of inclination of odd-level and even level cord fabric are opposite;
The angle of inclination a of said cord 5 is the 40-60 degree;
Said cord fabric is terylene cord fabric or polyamide cord fabric;
A kind of vulcanizing press sulfuration processing method of checkdam air bag, its special character is to comprise following technological process:
1, calendering rubberizing
Get one deck cord fabric, simultaneously roll rubber layer at it, rubber layer and cord fabric are combined as a whole, form rubber internal layer 1, rubber outer 2, casing play 3 in like manner form;
2, moulding
Rubber internal layer 1 is bedded on the central layer 4 of vertical placement; Cord fabric one faces up; Central layer 4 shapes with the bladder shape that will prepare be complementary, to the bedding casing play 3 of rubber internal layer 1 last layer layer, wherein the cord incline direction of the odd-level of casing play and even level cord fabric is opposite; At last rubber outer 2 is laid on the casing play 3, makes the air bag semiproduct;
3, presulfurization
The air bag semiproduct are tiled in the sulfurizing mould; Sulfurizing mould is delivered between two sulfuration hot plates of vulcanizing press; Carry out presulfurization; The temperature control that unit pressure between two sulfuration hot plates is controlled between 1.3-1.7MPa, sulfuration hot plate is controlled at 90-120 degree centigrade, presulfurization 10-15 minute;
The length of said sulfurizing mould, width are all than length, the width 20-30 of the manying millimeter of air bag.
4, sulfuration
To be loaded with the half-finished sulfurizing mould of air bag and in vulcanizing press, take out, and deliver in the vulcanizing press and vulcanize, the pressure in the vulcanizing press is controlled at 0.5-1.5MPa, temperature 145-155 degree centigrade, and cure time is confirmed according to the casing play number of plies;
The air bag semiproduct are taken out in sulfurizing mould, extract central layer 4 out, promptly get the checkdam air bag;
5, air bag finishing
Defective to balloon surface exists is repaired;
6, tightness, withstand voltage test
Air bag is installed on the experimental basis, through towards stack the pressure in the air bag being flushed to 0.07MPa, pressurize 10-14 hour; Check the pressure in the air bag then; If be not less than 0.07 MPa, it is tentatively qualified to be, and through charge and exhaust pipe the pressure in the air bag is charged to 0.26-0.30MPa again; Pressurize 22-26 hour, qualified fully if air bag crack-free phenomenon is.
Checkdam air bag of the present invention through technology and technological innovation, has been realized the batch process of product,
Adopted pre-vulcanization process before the air bag sulfuration, thus discharged between the casing play fully, casing play and
Gas between rubber internal layer, the rubber outer has guaranteed between the compactness and casing play of sulfuration belt body
Good cementability.Can fully guarantee product quality, disposable qualification rate reaches 100%, has good
Technology stability, the air bag of making through this kind technology, through destructive test, can anti-0.5Mpa with upward pressure, air bag has long application life, estimates that can reach 40-50 normal application life.In 10-15 application life far above the ordinary rubber dam, have broad application prospects.
Description of drawings
Fig. 1: the structural representation of checkdam air bag of the present invention;
Fig. 2: the Pareto diagram of the radix layer cord of casing play;
Fig. 3: the Pareto diagram of the even level cord of casing play;
Fig. 4: the structural representation of presulfurization mould;
Fig. 5: the structural representation of experimental basis;
Fig. 6: the structural representation of central layer;
The A-A of Fig. 7: Fig. 6 cuts open structural representation;
The B-B of Fig. 8: Fig. 6 cuts open structural representation.
The specific embodiment
Provide the specific embodiment of the present invention below with reference to accompanying drawing, be used for the present invention is done further
Explanation.
A kind of checkdam air bag of present embodiment comprises rubber internal layer 1, rubber outer 2, and the two is 3 millimeters thick; Be folded with casing play 3 between the two, the three is through the sulfurization technology structure that is combined as a whole, and casing play 3 is 8 layers; Every layer of casing play 3 comprises cord fabric and rubber layer; Cord fabric and rubber layer fit tightly and are one through rolling technology, form one deck casing play 3, and cord 5 angles of inclination of odd-level and even level cord fabric are opposite; The angle of inclination of cord is 50 degree, and cord fabric is the terylene cord fabric.
The vulcanizing press sulfuration processing method of a kind of checkdam air bag of present embodiment uses the open type air bag to be example to make 2 meters checkdams of height of dam, long 4.8 meters of air bag, and wide 2.1 meters, processing technology is following:
1, prepares to make the raw material of air bag
1. the mixing of rubber with ethylene propylene diene rubber, natural rubber, butadiene-styrene rubber, neoprene makes rubber internal layer 1, rubber outer 2 after compression moulding;
2. calculating the intensity of confirming cord fabric through design formulas is 260KN/m;
3. be prepared to core plate 4: central layer 4 is metal material, is shaped as rectangle, and the edge of central layer is circle
The arc (see figure 6),
4. the long 4770mm of central layer, wide 2070mm, thickness are 8mm.
5. prepare sulfurizing mould: sulfurizing mould structure such as Fig. 4, material is a metal material, wherein A does
4820mm, B are 2120mm;
2, calendering rubberizing
Get one deck cord fabric, simultaneously roll rubber layer at it, rubber layer and cord fabric are combined as a whole, form rubber internal layer 1, rubber outer 2, casing play 3 in like manner form;
3, moulding
1. rubber internal layer 1 is bedded on the central layer 4 of vertical placement, cord fabric one faces up;
2. to the bedding casing play 3 of rubber internal layer 1 last layer layer; Every layer of casing play all tilts to place, and the angle of inclination that makes cord is 50 degree, and wherein the cord incline direction of the odd-level of casing play and even level cord fabric is opposite; At last rubber outer 2 is laid on the casing play 3, makes the air bag semiproduct;
4, pre-vulcanization process:
1. the air bag semiproduct are put in the sulfurizing mould;
2. the air bag semiproduct are tiled in the sulfurizing mould; Sulfurizing mould is delivered between two sulfuration hot plates of vulcanizing press; Carry out presulfurization; The temperature control that unit pressure between two sulfuration hot plates is controlled between 1.3-1.7MPa, sulfuration hot plate is controlled at 90-120 degree centigrade, presulfurization 10-15 minute;
3. after presulfurization for the first time, the air bag surface of semi-finished is checked finishing.
5, sulfidation:
The cure time formula calculates:
Cure time=(layer thickness in the rubber+rubber outer thickness) the * 2+ casing play number of plies+(20-30 minute); (layer thickness, rubber outer thickness are that millimeter unit, cure time are minute unit in the rubber)
1. moving vulcanizing press vulcanizes the air bag semiproduct;
2. conditions of vulcanization: unit pressure 1Mpa, temperature 145-155 ℃, cure time 50 minutes;
3. after sulfuration is accomplished the operate tablet vulcanizer with mould and air bag semiproduct between the vulcanizing press
Take out;
4. the air bag semiproduct are taken out in sulfurizing mould, extract central layer 4 out, promptly get the checkdam air bag.
Present embodiment adopts the air bag width of vulcanizing press sulfuration processing can reach 5 meters, and the vulcanisation step employing sulfurizing pot vulcanization processing in the vulcanizing press sulfuration processing method of the present invention then air bag width of its sulfuration processing is merely able to reach 3.5 meters.
The difference of present embodiment and embodiment 1 is: further comprising the steps of in the processing method of checkdam air bag:
6, air bag finishing:
1. the air bag semiproduct are taken out in mould, then central layer 4 is gone out from air bag opening one side-draw;
2. air bag is carried out the presentation quality inspection, need repair like the table of discovery planar defect;
6, carry out tightness, withstand voltage test.
1., will air bag be installed on the experimental basis by shown in Figure 5;
2., carry out air tight test: through charge and exhaust pipe the pressure in the air bag is charged to 0.07Mpa, and pressurize 12 hours, the pressure after 12 hours in the inspection air bag is not less than 0.07 Mpa, and it is tentatively qualified to be;
3., carry out withstand voltage test:
Through charge and exhaust pipe the pressure in the air bag is charged to 0.28Mpa, and pressurize 24 hours, dam bag crack-free phenomenon is qualified for fully after 24 hours.
Experimental basis comprises that basic table top 6, basic table top 6 are provided with the air bag anchoring piece 7 that is used for fixing scuta 9 and air bag 8; Spacing belt 10 is installed between scuta 9 and the basic platform 6; Spacing belt through spacing belt fixedly anchor be fixed on the basic platform 6, air bag 8 also is connected with the charge and exhaust pipe 11 that is used for to its inflation;
1, scuta: be rigid materials such as metal, be used for dash, can reach the purpose of control dash height through up-down;
2, air bag anchoring piece: be metal material, be used for fixing the sealing of air bag and air bag;
3, basic table top: be used to lay a whole set of checkdam system;
4, towards stack: in air bag, fill, exhaust;
5, spacing belt anchoring piece: be used for fixing spacing belt;
6, spacing belt: be used to limit the maximum height that scuta rises;
7, air bag: process by rubber and high strength cord, through fill, exhaust so control scuta up-down.
The present invention has following good effect:
1. through technology and technological innovation, realized the batch process of product.
2. the sulfuration of cell edges casing play is fixed to circular arc, and the casing play that air bag fills edge when rising can freely launch, and stressed even, the air bag bulk strength is better;
3. adopted pre-vulcanization process before the air bag sulfuration, the unit pressure during presulfurization on the air bag reaches
1.3-1.7Mpa, discharge between the casing play, the gas between casing play and the rubber cover, guaranteed good cementability between compactness and the casing play of sulfuration belt body.Can fully guarantee product quality: disposable qualification rate reaches 100%, has good technology stability;
4. because air bag adopts disposable sulfuration to make, seamless seamless on the air bag, unstressed concentrated weak spot.Make whole checkdam system safer;
5. adopt this kind technology to make air bag, can be used to build the checkdam system that the dash height reaches 10 meters
System;
6. the air bag of making through this kind technology, through destructive test, can anti-0.5Mpa with upward pressure, air bag has long application life.Estimate that can reach 40-50 normal application life.Far above the 10-15 application life of ordinary rubber dam.
The above is the preferable specific embodiment of the present invention; But protection scope of the present invention is not limited thereto, and the variation that any technician who is familiar with the present technique field can expect in the technical scope that the present invention discloses easily and substituting all should be encompassed within protection scope of the present invention.
Claims (10)
1. a checkdam air bag is characterized in that comprising rubber internal layer (1), rubber outer (2), is folded with casing play (3) between the two, and the three is through the sulfurization technology structure that is combined as a whole.
2. according to the described a kind of checkdam air bag of claim 1, it is characterized in that
Said rubber internal layer (1), rubber outer (2) comprise cord fabric and rubber layer, and cord fabric and rubber layer fit tightly and are formed as one through rolling technology;
Said casing play (3) is the 2-10 layer; Every layer of casing play (3) comprises cord fabric and rubber layer; Cord fabric and rubber layer fit tightly and are one through rolling technology, form one deck casing play (3), and cord (5) angle of inclination of odd-level and even level cord fabric is opposite.
3. according to the described a kind of checkdam air bag of claim 2, the angle of inclination that it is characterized in that said cord (5) is the 40-60 degree.
4. according to the described a kind of checkdam air bag of claim 2, it is characterized in that said cord fabric is terylene cord fabric or polyamide cord fabric.
5. the vulcanizing press of the described a kind of checkdam air bag of the arbitrary claim of claim 1-4 vulcanizes processing method, it is characterized in that comprising following technological process:
1), calendering rubberizing
Get one deck cord fabric, simultaneously roll rubber layer at it, rubber layer and cord fabric are combined as a whole, form rubber internal layer (1), rubber outer (2), casing play (3) in like manner form;
2), moulding
Rubber internal layer (1) is bedded on the central layer (4) of vertical placement; Cord fabric one faces up; Central layer (4) shape with the bladder shape that will prepare be complementary, to the bedding casing play (3) of rubber internal layer (1) last layer layer, wherein the cord incline direction of the odd-level of casing play and even level cord fabric is opposite; At last rubber outer (2) is laid on the casing play (3), makes the air bag semiproduct;
3), presulfurization
The air bag semiproduct are tiled in the sulfurizing mould; Sulfurizing mould is delivered between two sulfuration hot plates of vulcanizing press; Carry out presulfurization; The temperature control that unit pressure between two sulfuration hot plates is controlled between 1.3-1.7MPa, sulfuration hot plate is controlled at 90-120 degree centigrade, presulfurization 10-15 minute;
4), sulfuration
To be loaded with the half-finished sulfurizing mould of air bag and in vulcanizing press, take out, and deliver in the vulcanizing press and vulcanize, the pressure in the vulcanizing press is controlled at 0.5-1.5MPa, temperature 145-155 degree centigrade, and cure time is confirmed according to the casing play number of plies;
The air bag semiproduct are taken out in sulfurizing mould, extract central layer (4) out, promptly get the checkdam air bag.
6. according to the vulcanizing press sulfuration processing method of the described a kind of checkdam air bag of claim 5, it is characterized in that also comprising following technological process:
5), air bag finishing
Defective to balloon surface exists is repaired.
7. according to the vulcanizing press sulfuration processing method of the described a kind of checkdam air bag of claim 5, it is characterized in that also comprising following technological process:
6), tightness, withstand voltage test
Air bag is installed on the experimental basis, through towards stack the pressure in the air bag being flushed to 0.07MPa, pressurize 10-14 hour; Check the pressure in the air bag then; If be not less than 0.07 MPa, it is tentatively qualified to be, and through charge and exhaust pipe the pressure in the air bag is charged to 0.26-0.30MPa again; Pressurize 22-26 hour, qualified fully if air bag crack-free phenomenon is.
8. according to the vulcanizing press sulfuration processing method of the described a kind of checkdam air bag of claim 5, it is characterized in that said cord fabric is terylene cord fabric or polyamide cord fabric.
9. according to the vulcanizing press of the described a kind of checkdam air bag of claim 5 sulfuration processing method, the length, width that it is characterized in that said sulfurizing mould is all than length, the width 20-30 of the manying millimeter of air bag.
10. the vulcanizing press according to the described a kind of checkdam air bag of claim 7 vulcanizes processing method; It is characterized in that said experimental basis comprises that basic table top (6), basic table top (6) are provided with the air bag anchoring piece (7) that is used for fixing scuta (9) and air bag (8); Between scuta (9) and the basic platform (6) spacing belt (10) is installed; Spacing belt through spacing belt fixedly anchor (12) be fixed on the basic platform (6), air bag (8) also is connected with the charge and exhaust pipe (11) that is used for to its inflation.
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| CN201210110046.XA CN102628260B (en) | 2012-04-16 | 2012-04-16 | A kind of vulcanizing press sulfuration processing method of checkdam air bag |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104908347A (en) * | 2015-06-07 | 2015-09-16 | 青岛吉尔工程橡胶有限公司 | Manufacturing method of high pressure air bag by using vulcanizing press for heated and pressurized vulcanization |
| CN107761672A (en) * | 2017-11-16 | 2018-03-06 | 江苏扬州合力橡胶制品有限公司 | A kind of gas shield dam air bag and its processing technology |
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| CN104908347B (en) * | 2015-06-07 | 2017-09-01 | 青岛吉尔工程橡胶有限公司 | A kind of manufacture method of the high-pressure gasbag of use vulcanizing press temperature-pressure vulcanization |
| CN107761672A (en) * | 2017-11-16 | 2018-03-06 | 江苏扬州合力橡胶制品有限公司 | A kind of gas shield dam air bag and its processing technology |
| CN107761672B (en) * | 2017-11-16 | 2023-11-17 | 江苏扬州合力橡胶制品有限公司 | Air bag for air shield dam and processing technology thereof |
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| CN102628260B (en) | 2015-07-29 |
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Inventor after: Hong Zhiqiang Inventor after: Li Huixiao Inventor after: Yang Xiaodong Inventor after: Ji Zhenya Inventor after: Chang Fu Inventor after: Geng Changxing Inventor before: Hong Zhiqiang Inventor before: Li Huixiao Inventor before: Yang Xiaodong |
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Effective date of registration: 20170706 Address after: Songshan District Economic Development Zone C Qixia city 265300 Shandong city of Yantai Province Co-patentee after: Changchun Machinery Institute, Ministry of Water Resource Patentee after: Sunny Rubber Yantai Co., Ltd. Address before: Songshan District Economic Development Zone C Qixia city 265300 Shandong city of Yantai Province Patentee before: Sunny Rubber Yantai Co., Ltd. |
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