CN102167003A - Rubber armoring sheet of motor vehicle and manufacturing technique thereof - Google Patents
Rubber armoring sheet of motor vehicle and manufacturing technique thereof Download PDFInfo
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- CN102167003A CN102167003A CN2011100608348A CN201110060834A CN102167003A CN 102167003 A CN102167003 A CN 102167003A CN 2011100608348 A CN2011100608348 A CN 2011100608348A CN 201110060834 A CN201110060834 A CN 201110060834A CN 102167003 A CN102167003 A CN 102167003A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 132
- 239000005060 rubber Substances 0.000 title claims abstract description 132
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 claims abstract description 28
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 244000043261 Hevea brasiliensis Species 0.000 claims abstract description 26
- 229920003052 natural elastomer Polymers 0.000 claims abstract description 26
- 229920001194 natural rubber Polymers 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims abstract description 25
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 14
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 14
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims abstract description 14
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000012188 paraffin wax Substances 0.000 claims abstract description 14
- 239000008117 stearic acid Substances 0.000 claims abstract description 14
- 239000011787 zinc oxide Substances 0.000 claims abstract description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000011593 sulfur Substances 0.000 claims abstract description 13
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 13
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 8
- 229920003048 styrene butadiene rubber Polymers 0.000 claims abstract description 8
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 7
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 7
- 238000000465 moulding Methods 0.000 claims abstract description 7
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000006229 carbon black Substances 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 17
- 230000003712 anti-aging effect Effects 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000004073 vulcanization Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 238000009966 trimming Methods 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000002265 prevention Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 2
- 239000002174 Styrene-butadiene Substances 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000013040 rubber vulcanization Methods 0.000 description 1
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Abstract
The invention provides a rubber armoring sheet of a motor vehicle and a manufacturing technique thereof, relating to technical field of safety collision prevention of the motor vehicle, and particularly relating to an armoring sheet that is made of rubber and a manufacturing technique thereof. The rubber armoring sheet comprises an outer rubber block (1) and a bottom rubber block (3) which are made of rubber materials; and a steel plate (2) is lined between the outer rubber block (1) and the bottom rubber block (3). Main raw materials of the outer rubber block are: butadiene rubber (BR), natural rubber (NR), coumarone, zinc oxide, paraffin wax, stearic acid and the like; the main raw materials of the bottom rubber block are: styrene-butadiene rubber (SBR)-1502, natural rubber (NR), coumarone, rosin, zinc oxide, paraffin wax, stearic acid, sulfur and the like; and the armoring sheet is manufactured by the technical steps of: machining rubber sheets of the outer rubber block, machining the rubber sheets of the bottom rubber block, preparing the steel plate, integrally molding and the like. The outer rubber block and the bottom rubber block are manufactured by using two rubber materials with different rigidities, respectively; the outer rubber block and the bottom rubber block can absorb collision energy as well as buffer and resist strong force impact; and the outer rubber block and the bottom rubber block can act mutually to restrain resonant surge, so the armoring sheet has an excellent integral collision resisting effect.
Description
Technical Field
The invention relates to the technical field of safety collision prevention of motor vehicles, in particular to an armor plate made of rubber and a manufacturing process thereof.
Technical Field
The motor vehicle anti-collision products used in the current market have unsatisfactory practical performance. Generally, the conventional automobile bumper or modified bumper has an unsatisfactory anti-collision effect, and more of the conventional automobile bumper or modified bumper has a decorative effect. The reason is mainly that the weight of the metal bumper is heavy, and if the weight of the metal bumper is increased, the oil consumption is increased, so most manufacturers do not use the metal bumper or select the bumper made of small-specification and light-weight materials as much as possible. In addition, since the metal bumper has high rigidity, the impact absorbing effect is poor at the time of collision, and thus the accident loss is enlarged.
Disclosure of Invention
The invention aims to provide a novel rubber armor plate for a motor vehicle and a manufacturing process thereof so as to achieve the purposes of light weight and good anti-collision effect.
The invention discloses a motor vehicle rubber armor plate which is provided with an outer rubber block and a bottom rubber block which are made of rubber materials, and is characterized in that the elastic modulus of the bottom rubber block is larger than that of the outer rubber block, the bottom rubber block and the outer rubber block are overlapped together, and a steel plate is lined in the middle; wherein,
the raw material proportion (by weight) of the outer rubber block is as follows: 70 parts of butadiene rubber BR; 30 parts of natural rubber NR; 5 parts of coumarone; 5.5 parts of zinc oxide; 0.8 part of paraffin; 1.3 parts of stearic acid; 1.1 parts of anti-aging agent 4010 NA; 1.0 part of accelerator DM; 0.8 part of promoter TMTD; carbon black N660, 15 parts; 12 parts of mechanical oil; 0.8 part of sulfur;
the base rubber block comprises the following raw materials in percentage by weight: 70 parts of styrene butadiene rubber SBR-1502; 30 parts of natural rubber NR; 5 parts of coumarone; 1 part of rosin; 4.5 parts of zinc oxide; 1.0 part of paraffin; 1 part of stearic acid; 1.2 parts of an anti-aging agent A; 1.0 part of accelerator DM; 0.8 part of promoter TMTD; carbon black N330, 14 parts; 12 parts of carbon black N220; 3 parts of mechanical oil; 1.6 portions of sulfur.
The invention discloses a manufacturing process of a rubber armor plate of a motor vehicle, which is characterized by comprising the following steps of:
1) processing an outer rubber block rubber sheet:
step 1-1, plasticating: adjusting the roller distance of a double-roller open mill to 1 mm, starting the mill to idle for 5-10 minutes, and then adding natural rubber NR for plastication for 8-10 times;
step 1-2, mixing: putting plasticated natural rubber NR and butadiene rubber BR into an internal mixer bin, sequentially adding zinc oxide, stearic acid, an accelerator DM, an accelerator TMTD, an anti-aging agent 4010NA, carbon black N660, coumarone, paraffin, mechanical oil and sulfur according to the raw material ratio, carrying out internal mixing, and taking out the uniformly mixed rubber material after 5-8 minutes;
step 1-3, thin passing: thinning and passing the mixed rubber material by using a double-roller open mill, adjusting the roller distance to 0.5 mm, thinning and passing for 5-8 times, adjusting the roller distance of the double-roller open mill to 5 mm, and discharging the rubber material for later use;
2) processing a primer block film:
step 2-1, plasticating: firstly, adjusting the roll distance of a double-roll open mill to 1 mm, starting the mill to idle for 5-10 minutes, then adding natural rubber NR for plastication, and plasticating for 8-10 times;
step 2-2, mixing: putting plasticated natural rubber NR and styrene butadiene rubber SBR-1502 into a material box of an internal mixer, sequentially adding zinc oxide, stearic acid, an accelerator DM, an accelerator TMTD, an anti-aging agent A, carbon black N330, carbon black N220, coumarone, rosin, paraffin, mechanical oil and sulfur according to the raw material ratio, carrying out internal mixing, and taking out and uniformly mixing the rubber material after 5-8 minutes;
step 2-3, thin passing: thinning and passing the mixed rubber material by using a double-roller open mill, adjusting the roller distance to 0.5 mm, thinning and passing for 5-8 times, adjusting the roller distance of the double-roller open mill to 5 mm, and discharging the rubber material for later use;
3) preparing a steel plate:
step 3-1, blanking: selecting a steel plate with the thickness of 1-3 mm, cutting the steel plate by using a punch press in cooperation with a stamping die, polishing and removing burrs for later use;
step 3-2, phosphating: soaking the steel plate in dilute hydrochloric acid with the concentration of 10-20% for 20-30 minutes, and taking out and naturally drying;
step 3-3, coating a primer block adhesive: coating a kellogue 205 adhesive on one surface of a steel plate, flatly placing the steel plate, and naturally drying the steel plate;
step 3-4, coating an outer rubber block adhesive: coating a Kemulock 250 adhesive on the other surface of the steel plate, placing the steel plate flatly, and naturally drying the steel plate for later use;
4) integral molding:
step 4-1, manufacturing a die: manufacturing a corresponding die according to the shapes and the sizes of the outer rubber block and the bottom rubber block, wherein the die comprises a lower die cavity, a flat cover plate and an upper die cavity; the lower die cavity corresponds to the bottom rubber block and is combined with the flat cover plate to be used for independently processing the bottom rubber block; the upper die cavity corresponds to the outer rubber block and is used for integrally forming the outer rubber block, the bottom rubber block and the steel plate when being matched with the lower die cavity;
step 4-2, preparing a base rubber block: preheating a lower die cavity of a die by using a flat vulcanizing machine, adjusting the vulcanizing pressure to 10-12 MPa at the temperature of 150-180 ℃, adding a primer block rubber sheet, adding a flat cover plate, closing the die, performing precuring molding for 80-90 seconds, opening the die, removing the flat cover plate, and cleaning burrs to obtain a primer block;
step 4-3, integral forming: placing the prepared steel plate above the primer block, positioning, adding the outer rubber block rubber sheet, adding a mold cavity, closing the mold, adjusting the vulcanization temperature to 160-180 ℃, the vulcanization pressure to 12-15 MPa, and the vulcanization time to 12 minutes;
and 4-4, taking the mold, trimming, checking and packaging.
The invention discloses a motor vehicle rubber armor piece and a manufacturing process thereof, which provide two rubber materials with different hardness, and respectively manufacture an outer rubber block and a bottom rubber block of the motor vehicle rubber armor piece, wherein the outer rubber block has small elastic modulus and low hardness, and has better energy absorption effect when a vehicle has external force action, and particularly can effectively reduce the damage degree when the vehicle has slight collision; the primer block has high hardness, large elastic modulus, high rebound rate and impact resistance, and can generate high elasticity and change the impact direction instantly when the vehicle has large impact force. Therefore, when the vehicle is in strong impact, the invention can absorb impact energy, convert the impact energy into heat energy, buffer and resist strong impact, and the interaction of the impact energy and the heat energy can inhibit resonance surge, thereby achieving good comprehensive collision-preventing effect.
Drawings
Specific embodiments of the present invention are partially disclosed in the accompanying drawings, in which,
FIG. 1, a front view of the present invention;
FIG. 2, view A-A;
FIG. 3 is a top view of the present invention.
Detailed Description
As shown in figures 1 and 2, the rubber armor plate for the motor vehicle disclosed by the invention is composed of an outer rubber block 1 and a bottom rubber block 3 which are overlapped together, and a steel plate 2 is lined in the middle. The two ends of the bottom rubber block 3 are provided with the hole grooves 4 which are convenient to mount, and the bottom rubber block can be directly connected with parts such as automobile beams, longitudinal beams, chassis, automobile bodies and the like, so that the impact force from different directions can be effectively reduced, and the safety performance of the automobile is improved.
As shown in figure 3, the rubber armor plate for the motor vehicle, provided by the invention, has the advantages that the top surface of the outer rubber block 1 is provided with protrusions and grooves which are alternately concave and convex, and the rubber armor plate has buffering and attractive effects.
In order to achieve a good anti-collision effect, the anti-collision rubber sole is characterized in that the elastic modulus of the bottom rubber block is greater than that of the outer rubber block. In order to obtain the outer rubber block and the bottom rubber block, the invention respectively discloses the raw material proportion of the outer rubber block and the bottom rubber block, wherein,
the raw material proportion (by weight) of the outer rubber block is as follows: 70 parts of butadiene rubber BR; 30 parts of natural rubber NR; 5 parts of coumarone; 5.5 parts of zinc oxide; 0.8 part of paraffin; 1.3 parts of stearic acid; 1.1 parts of anti-aging agent 4010 NA; 1.0 part of accelerator DM; 0.8 part of promoter TMTD; carbon black N660, 15 parts; 12 parts of mechanical oil; 0.8 part of sulfur;
the base rubber block comprises the following raw materials in percentage by weight: 70 parts of styrene butadiene rubber SBR-1502; 30 parts of natural rubber NR; 5 parts of coumarone; 1 part of rosin; 4.5 parts of zinc oxide; 1.0 part of paraffin; 1 part of stearic acid; 1.2 parts of an anti-aging agent A; 1.0 part of accelerator DM; 0.8 part of promoter TMTD; carbon black N330, 14 parts; 12 parts of carbon black N220; 3 parts of mechanical oil; 1.6 portions of sulfur.
The natural rubber NR can be No. 1 smoked sheets; the machine oil can be three-line oil.
The following is further illustrated with reference to specific examples:
the roll spacing of the two-roll open mill is adjusted to 1 mm, the two-roll open mill is started and idled for 10 minutes to ensure that the equipment reaches a normal running state, and then 30 kg of natural rubber NR is added and plasticated for 10 times to ensure that the natural rubber NR reaches a certain viscosity.
The plasticated natural rubber NR and 70 kg of butadiene rubber BR are put into a material box of an internal mixer together, 5.5 kg of zinc oxide, 1.3 kg of stearic acid, 1 kg of accelerator DM, 0.8 kg of accelerator TMTD, 1.1 kg of anti-aging agent 4010NA, 15 kg of carbon black N660, 5 kg of coumarone, 0.8 kg of paraffin, 12 kg of three-line oil serving as mechanical oil and 0.8 kg of sulfur are added in sequence, internal mixing is carried out, and after 5 minutes, the uniformly mixed rubber material is taken out.
And (3) performing thin passing on the rubber material mixed by the internal mixer by using a double-roller open mill, adjusting the roller distance to 0.5 mm, adjusting the roller distance to mm after the thin passing is performed for 5 times, and discharging to obtain an outer rubber block rubber sheet for later use.
Then the roller distance of the two-roller open mill is adjusted to 1 mm, the two-roller open mill is started to idle for 10 minutes to ensure that the equipment reaches a normal running state, and then 30 kg of natural rubber NR is added for plastication for 10 times to ensure that the natural rubber NR reaches a certain viscosity.
The plasticated natural rubber NR and 70 kg of styrene butadiene rubber SBR-1502 are put into a material box of an internal mixer, 4.5 kg of zinc oxide, 1 kg of stearic acid, 1 kg of accelerator DM, 0.8 kg of accelerator TMTD, 1.2 kg of anti-aging agent A, 14 kg of carbon black N330, 12 kg of carbon black N220, 5 kg of coumarone, 1 kg of rosin, 1 kg of paraffin, 3 kg of trilinear oil serving as mechanical oil and 1.6 kg of sulfur are added in sequence for internal mixing, and the uniformly mixed rubber material is taken out after 5 minutes.
And (3) performing thin passing on the mixed rubber material by using a double-roller open mill, adjusting the roller distance to 0.5 mm, adjusting the roller distance to 5 mm after 5 times of thin passing, and discharging to obtain a base rubber block rubber sheet for later use.
Purchasing a steel plate with the rigidity of more than 60 and the thickness of 1.5 mm, cutting the steel plate by using a punch and a die, polishing, deburring, soaking in 10% dilute hydrochloric acid for 30 minutes, and then naturally drying.
And (3) coating the kellac 205 adhesive on the bottom surface of the steel plate, uniformly placing, naturally drying, and standing for not less than 60 minutes at normal temperature.
And coating a Kemuluke 250 adhesive on the other surface of the steel plate, uniformly placing, naturally drying, and standing for not less than 60 minutes at normal temperature.
And (3) using a flat vulcanizing machine, preheating the mold at about 170 ℃, setting the vulcanizing pressure at 12MPa, adding a primer block rubber sheet, closing the mold, performing precuring molding for about 90 seconds, opening a flat cover plate, and cleaning burrs to obtain the primer block.
And (3) positioning the prepared steel plate above the base rubber block, adding the outer rubber block rubber sheet, replacing the upper die cavity, closing the die, and vulcanizing and molding. The vulcanization temperature is 170 ℃, the vulcanization pressure is 12MPa, and the vulcanization time is 10 minutes. Then, taking the die, trimming, inspecting and packaging.
The designed elastic modulus of the outer rubber block is about 0.3Mpa, and the hardness is Shore A40 +/-5 degrees; the designed elastic modulus of the primer block is more than 0.7Mpa, and the hardness is Shore A80 +/-5 degrees. A steel plate with the thickness of about 1.5 mm is used between the outer rubber block and the bottom rubber block, and the outer rubber block and the bottom rubber block are integrated through rubber vulcanization, so that the overall rigidity of a product can be improved.
Claims (5)
1. A motor vehicle rubber armor piece is provided with an outer rubber block (1) and a bottom rubber block (3) which are made of rubber materials, and is characterized in that the elastic modulus of the bottom rubber block is larger than that of the outer rubber block, the bottom rubber block and the outer rubber block are overlapped together, and a steel plate (2) is lined in the middle; wherein,
the raw material proportion (by weight) of the outer rubber block is as follows: 70 parts of butadiene rubber BR; 30 parts of natural rubber NR; 5 parts of coumarone; 5.5 parts of zinc oxide; 0.8 part of paraffin; 1.3 parts of stearic acid; 1.1 parts of anti-aging agent 4010 NA; 1.0 part of accelerator DM; 0.8 part of promoter TMTD; carbon black N660, 15 parts; 12 parts of mechanical oil; 0.8 part of sulfur;
the base rubber block comprises the following raw materials in percentage by weight: 70 parts of styrene butadiene rubber SBR-1502; 30 parts of natural rubber NR; 5 parts of coumarone; 1 part of rosin; 4.5 parts of zinc oxide; 1.0 part of paraffin; 1 part of stearic acid; 1.2 parts of an anti-aging agent A; 1.0 part of accelerator DM; 0.8 part of promoter TMTD; carbon black N330, 14 parts; 12 parts of carbon black N220; 3 parts of mechanical oil; 1.6 portions of sulfur.
2. The process for making rubber armor plate for motor vehicles according to claim 1, comprising the steps of:
1) processing an outer rubber block rubber sheet:
step 1-1, plasticating: adjusting the roller distance of a double-roller open mill to 1 mm, starting the mill to idle for 5-10 minutes, and then adding natural rubber NR for plastication for 8-10 times;
step 1-2, mixing: putting plasticated natural rubber NR and butadiene rubber BR into an internal mixer bin, sequentially adding zinc oxide, stearic acid, an accelerator DM, an accelerator TMTD, an anti-aging agent 4010NA, carbon black N660, coumarone, paraffin, mechanical oil and sulfur according to the raw material ratio, carrying out internal mixing, and taking out the uniformly mixed rubber material after 5-8 minutes;
step 1-3, thin passing: thinning and passing the mixed rubber material by using a double-roller open mill, adjusting the roller distance to 0.5 mm, thinning and passing for 5-8 times, adjusting the roller distance of the double-roller open mill to 5 mm, and discharging the rubber material for later use;
2) processing a primer block film:
step 2-1, plasticating: firstly, adjusting the roll distance of a double-roll open mill to 1 mm, starting the mill to idle for 5-10 minutes, then adding natural rubber NR for plastication, and plasticating for 8-10 times;
step 2-2, mixing: putting plasticated natural rubber NR and styrene butadiene rubber SBR-1502 into a material box of an internal mixer, sequentially adding zinc oxide, stearic acid, an accelerator DM, an accelerator TMTD, an anti-aging agent A, carbon black N330, carbon black N220, coumarone, rosin, paraffin, mechanical oil and sulfur according to the raw material ratio, carrying out internal mixing, and taking out and uniformly mixing the rubber material after 5-8 minutes;
step 2-3, thin passing: thinning and passing the mixed rubber material by using a double-roller open mill, adjusting the roller distance to 0.5 mm, thinning and passing for 5-8 times, adjusting the roller distance of the double-roller open mill to 5 mm, and discharging the rubber material for later use;
3) preparing a steel plate:
step 3-1, blanking: selecting a steel plate with the thickness of 1-3 mm, cutting the steel plate by using a punch press in cooperation with a stamping die, polishing and removing burrs for later use;
step 3-2, phosphating: soaking the steel plate in dilute hydrochloric acid with the concentration of 10-20% for 20-30 minutes, and taking out and naturally drying;
step 3-3, coating a primer block adhesive: coating a kellogue 205 adhesive on one surface of a steel plate, flatly placing the steel plate, and naturally drying the steel plate;
step 3-4, coating an outer rubber block adhesive: coating a Kemulock 250 adhesive on the other surface of the steel plate, placing the steel plate flatly, and naturally drying the steel plate for later use;
4) integral molding:
step 4-1, manufacturing a die: manufacturing a corresponding die according to the shapes and the sizes of the outer rubber block and the bottom rubber block, wherein the die comprises a lower die cavity, a flat cover plate and an upper die cavity; the lower die cavity corresponds to the bottom rubber block and is combined with the flat cover plate to be used for independently processing the bottom rubber block; the upper die cavity corresponds to the outer rubber block and is used for integrally forming the outer rubber block, the bottom rubber block and the steel plate when being matched with the lower die cavity;
step 4-2, preparing a base rubber block: preheating a lower die cavity of a die by using a flat vulcanizing machine, adjusting the vulcanizing pressure to 10-12 MPa at the temperature of 150-180 ℃, adding a primer block rubber sheet, adding a flat cover plate, closing the die, performing precuring molding for 80-90 seconds, opening the die, removing the flat cover plate, and cleaning burrs to obtain a primer block;
step 4-3, integral forming: placing the prepared steel plate above the primer block, positioning, adding the outer rubber block rubber sheet, adding a mold cavity, closing the mold, adjusting the vulcanization temperature to 160-180 ℃, the vulcanization pressure to 12-15 MPa, and the vulcanization time to 12 minutes;
and 4-4, taking the mold, trimming, checking and packaging.
3. The rubber armor plate for motor vehicles according to claim 1, wherein the bottom rubber block (3) has holes (4) at both ends for easy installation.
4. The rubber armor plate for motor vehicles according to claim 3, wherein the top surface of the outer rubber block (1) has protrusions and grooves alternately arranged.
5. The process for making rubber armor plate for motor vehicle according to claim 2, wherein said natural rubber NR is No. 1 smoked sheet; the machine oil is three-line oil.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104266456A (en) * | 2014-09-15 | 2015-01-07 | 常州麟喃热处理厂 | Buffering type boiling dryer |
| CN106378893A (en) * | 2016-08-31 | 2017-02-08 | 柳州元吉兴工业技术有限公司 | Rubber vulcanization process |
| CN113415147A (en) * | 2021-07-21 | 2021-09-21 | 重庆长安汽车股份有限公司 | Suspension mounting structure and vehicle |
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| CN201249725Y (en) * | 2008-06-30 | 2009-06-03 | 邹晓宁 | Rubber cushion safety bumper |
| CN101734119A (en) * | 2008-11-18 | 2010-06-16 | 中集车辆（集团）有限公司 | Axle shock absorption suspension |
| CN201457278U (en) * | 2009-08-27 | 2010-05-12 | 秦海伟 | Flexible cushioning device against mechanical impact of automobile |
| CN101955598A (en) * | 2010-09-27 | 2011-01-26 | 上海众力汽车部件有限公司 | Rubber formula with low ratio of dynamic stiffness and static stiffness and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266456A (en) * | 2014-09-15 | 2015-01-07 | 常州麟喃热处理厂 | Buffering type boiling dryer |
| CN106378893A (en) * | 2016-08-31 | 2017-02-08 | 柳州元吉兴工业技术有限公司 | Rubber vulcanization process |
| CN113415147A (en) * | 2021-07-21 | 2021-09-21 | 重庆长安汽车股份有限公司 | Suspension mounting structure and vehicle |
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| CN102167003B (en) | 2013-10-02 |
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