CN106009689A - Upper cover vulcanization assembly of hydraulic damping support of automobile engine - Google Patents
Upper cover vulcanization assembly of hydraulic damping support of automobile engine Download PDFInfo
- Publication number
- CN106009689A CN106009689A CN201610334151.XA CN201610334151A CN106009689A CN 106009689 A CN106009689 A CN 106009689A CN 201610334151 A CN201610334151 A CN 201610334151A CN 106009689 A CN106009689 A CN 106009689A
- Authority
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- China
- Prior art keywords
- parts
- sulfuration
- overcoat
- plate
- upper cover
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- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Vibration Prevention Devices (AREA)
Abstract
An upper cover vulcanization assembly of a hydraulic damping support of an automobile engine comprises a vulcanization coat, wherein the vulcanization coat is connected with a positioning plate; the positioning plate is connected with the vulcanization coat by colloid; the cross section of the positioning plate has an arc-shaped structure; and a positioning hole is formed in the front end of the positioning plate. The upper cover vulcanization assembly of the hydraulic damping support of the automobile engine is simple in structure, good in use performance and relatively low in cost; and the vulcanization coat is processed by a special material, so that the manufactured damping support is good in overall damping performance, resists friction, can adapt to mounting of an engine in an automobile with small height space, and is good in anti-shearing capability.
Description
Technical field
The present invention relates to auto parts machinery mounting technology field, be specifically related to a kind of automobile engine hydraulic shock-absorption
Support upper cover sulfuration assembly.
Background technology
The riding comfort of vehicle is caused to decline in order to overcome the body oscillating caused by the vibration of electromotor
Problem, when automobile makes, by having the engine mounting of shock-absorbing function, electromotor is arranged on car
On body.
The initial engine mounting with shock-absorbing function is by utilizing the internal friction characteristic of rubber to absorb
The vibration of vehicle, plays the effect of damping.
Chinese patent Authorization Notice No. be 201517580U, authorized announcement date be June 30 in 2010 day,
It is referred to as in the patent documentation of " engine rubber suspension " disclosing a kind of carrying out starting of damping by rubber
Machine suspends, and this suspension includes the overcoat sulfided, inner sleeve and the rubber between inner sleeve and overcoat
Layer, is enclosed within this suspension during use and is fixed on the bolt on car body by electromotor and makes motor support exist
In this suspension, reach damping effect by the elastic deformation of rubber.
Owing to only carrying out damping by the internal friction of rubber, less effective, in order to improve suspension further
Damping effect have devised hydraulic mount.Hydraulic mount mainly includes rubber spring, base and is positioned at base
With two chamber body in both rubber springs, two chamber body are connected by fluid course.At two during use
Damping fluid is injected in chamber body.While during body oscillating, energy-absorbing cushioning effect is played in rubber spring deformation, position
Chamber body in rubber spring is squeezed and produces stereomutation, forces damping fluid through fluid course two
Repeatedly move in individual cavity, when damping fluid flows through fluid course between self and damping fluid with fluid course it
Between produce friction and be the effect that heat energy plays damping energy-absorbing by produced for vibration mechanical energy.
Suspension member of the prior art uses elastomeric material to make mostly, and not through special modification
Elastomeric material is easily caused deformation after using for a long time, damping effect can reduce.
Summary of the invention
The technical problem to be solved is to provide a kind of simple in construction, and the automobile that practicality is good is sent out
Motivation hydraulic shock-absorption support upper cover sulfuration assembly.
The technical problem to be solved realizes by the following technical solutions:
A kind of automobile engine hydraulic shock-absorption support upper cover sulfuration assembly, including sulfuration overcoat, described sulfuration
Put outward connection and have location-plate, linked together by colloid between described location-plate and sulfuration overcoat, institute
State the curved structure of cross section of location-plate, be provided with hole, location, described sulfuration in described location-plate front end
Overcoat is made up of the component of following parts by weight: melting silicone rubber 70 parts, fume colloidal silica 10 parts,
Ethylene-vinyl acetate copolymer 10 parts, acrylonitrile butadiene 5 parts, Glyceryl Behenate 1.5 parts, nanometer are made pottery
2.5 parts of porcelain powder, macromolecule resin emulsion 2 parts, polyurethane 15 parts, linear polyethylene 2 parts, methyl-silicone oil 2
Part, 0.5 part of antioxidant, aluminium oxide 1.5 parts, polysiloxane 2 parts, chloroplatinic acid 0.5 part, lac 2 parts,
Electronic-grade silicon micropowder 1.5 parts；
The preparation method of above-mentioned sulfuration overcoat is as follows:
1) raw material is weighed by above-mentioned weight proportion；
2) carrying out after being mixed by raw material heating parch, temperature controls at 45-65 DEG C, and the time controls at 25-35
Minute；
3) by step 2) in material after parch send into freezing equipment, connect in the environment of subzero 16-20 DEG C
Continuous freezing 3-5 hour；
4) by step 3) in material after freezing melt through granulator heating, be expressed into mould molding,
To semi-finished product overcoat；
5) to step 4) in semi-finished product carry out humidify cured, obtain finished product sulfuration overcoat；Wherein
Solidification adds wet process and includes following three phases:
First stage: control in curing room positive plate solidification temperature at 60 DEG C, relative humidity 100%, Gu
The change time controlled at 5 hours；
Second stage: control in curing room positive plate solidification temperature at 85 DEG C, relative humidity 100%, Gu
The change time controlled at 24 hours；
Phase III: in controlling curing room, positive plate solidification temperature is at 60 DEG C, relative humidity, 80%, solidifies
Time controlled at 5 hours.By humidification cured so that overcoat machinery intensity enhancing, good toughness, no
Easy to crack, service life is long.
Above-mentioned melting silicone rubber is made up of the component of following parts by weight: methyl vinyl silicon kautschuk
100 parts, zinc stearate 1.5 parts, vulcanizing agent 5 parts, diphenyl silanediol 0.5 part, paraffin oil 0.5 part, contain
Hydrogen silicone oil 0.3 part, emulsifying agent 0.5 part, 5 parts of anticracking fiber material, nano silicon 5 parts；Preparation method
For: first in methyl vinyl silicon kautschuk add zinc stearate, anticracking fiber material, vulcanizing agent and
Nano silicon is the most mixing in kneader, and 170 DEG C of heat mix 2 hours；Treat material be cooled to 60 DEG C with
Under, add diphenyl silanediol, paraffin oil, containing hydrogen silicone oil and emulsifying agent, mixing on twin-screw extruder
Uniformly, it is made into melting silicone rubber.This melting silicone rubber is nontoxic, environmental protection, high temperature resistant 250 DEG C, resistance to low
Temperature-60 DEG C, weatherability is excellent.
The invention has the beneficial effects as follows: present configuration is simple, and serviceability is good, and cost is relatively low, passes through
Sulfuration overcoat is carried out special material select and processing method so that the shock bracket integral shock-absorbing of preparation
Performance is good, rub resistance, and adapts to the installation of electromotor in the vehicle that height space is less and anti-shearing
Ability is good.
Accompanying drawing explanation
Fig. 1 is present configuration front view；
Fig. 2 is positioning plate structure figure of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be readily apparent from
Solve, below in conjunction with being specifically illustrating, the present invention is expanded on further.
Embodiment 1
As shown in Figure 1, 2, a kind of automobile engine hydraulic shock-absorption support upper cover sulfuration assembly, including sulfuration
Overcoat 2, sulfuration overcoat 2 is connected and has location-plate 1, be connected by colloid between location-plate 1 with sulfuration overcoat 2
Together, the curved structure of cross section of location-plate 1, hole 3, location, sulfuration it is provided with in location-plate 1 front end
Overcoat 2 is made up of the component of following parts by weight: melting silicone rubber 70 parts, fume colloidal silica 10 parts,
Ethylene-vinyl acetate copolymer 10 parts, acrylonitrile butadiene 5 parts, Glyceryl Behenate 1.5 parts, nanometer are made pottery
2.5 parts of porcelain powder, macromolecule resin emulsion 2 parts, polyurethane 15 parts, linear polyethylene 2 parts, methyl-silicone oil 2
Part, 0.5 part of antioxidant, aluminium oxide 1.5 parts, polysiloxane 2 parts, chloroplatinic acid 0.5 part, lac 2 parts,
Electronic-grade silicon micropowder 1.5 parts；
The preparation method of above-mentioned sulfuration overcoat is as follows:
1) raw material is weighed by above-mentioned weight proportion；
2) carrying out after being mixed by raw material heating parch, temperature controls at 45-65 DEG C, and the time controls at 25-35
Minute；
3) by step 2) in material after parch send into freezing equipment, connect in the environment of subzero 16-20 DEG C
Continuous freezing 3-5 hour；
4) by step 3) in material after freezing melt through granulator heating, be expressed into mould molding,
To semi-finished product overcoat；
5) to step 4) in semi-finished product carry out humidify cured, obtain finished product sulfuration overcoat；Wherein
Solidification adds wet process and includes following three phases:
First stage: control in curing room positive plate solidification temperature at 60 DEG C, relative humidity 100%, Gu
The change time controlled at 5 hours；
Second stage: control in curing room positive plate solidification temperature at 85 DEG C, relative humidity 100%, Gu
The change time controlled at 24 hours；
Phase III: in controlling curing room, positive plate solidification temperature is at 60 DEG C, relative humidity, 80%, solidifies
Time controlled at 5 hours.By humidification cured so that overcoat machinery intensity enhancing, good toughness, no
Easy to crack, service life is long.
Embodiment 2
As shown in Figure 1, 2, a kind of automobile engine hydraulic shock-absorption support upper cover sulfuration assembly, including sulfuration
Overcoat 2, sulfuration overcoat 2 is connected and has location-plate 1, be connected by colloid between location-plate 1 with sulfuration overcoat 2
Together, the curved structure of cross section of location-plate 1, hole 3, location, sulfuration it is provided with in location-plate 1 front end
Overcoat 2 is made up of the component of following parts by weight: melting silicone rubber 70 parts, fume colloidal silica 10 parts,
Ethylene-vinyl acetate copolymer 10 parts, acrylonitrile butadiene 5 parts, Glyceryl Behenate 1.5 parts, nanometer are made pottery
2.5 parts of porcelain powder, macromolecule resin emulsion 2 parts, polyurethane 15 parts, linear polyethylene 2 parts, methyl-silicone oil 2
Part, 0.5 part of antioxidant, aluminium oxide 1.5 parts, polysiloxane 2 parts, chloroplatinic acid 0.5 part, lac 2 parts,
Electronic-grade silicon micropowder 1.5 parts；
The preparation method of above-mentioned sulfuration overcoat 2 is as follows:
1) raw material is weighed by above-mentioned weight proportion；
2) carrying out after being mixed by raw material heating parch, temperature controls at 45-65 DEG C, and the time controls at 25-35
Minute；
3) by step 2) in material after parch send into freezing equipment, connect in the environment of subzero 16-20 DEG C
Continuous freezing 3-5 hour；
4) by step 3) in material after freezing melt through granulator heating, be expressed into mould molding,
To semi-finished product overcoat；
5) to step 4) in semi-finished product carry out humidify cured, obtain finished product sulfuration overcoat；Wherein
Solidification adds wet process and includes following three phases:
First stage: control in curing room positive plate solidification temperature at 60 DEG C, relative humidity 100%, Gu
The change time controlled at 5 hours；
Second stage: control in curing room positive plate solidification temperature at 85 DEG C, relative humidity 100%, Gu
The change time controlled at 24 hours；
Phase III: in controlling curing room, positive plate solidification temperature is at 60 DEG C, relative humidity, 80%, solidifies
Time controlled at 5 hours.By humidification cured so that overcoat machinery intensity enhancing, good toughness, no
Easy to crack, service life is long.
Above-mentioned melting silicone rubber is made up of the component of following parts by weight: methyl vinyl silicon kautschuk
100 parts, zinc stearate 1.5 parts, vulcanizing agent 5 parts, diphenyl silanediol 0.5 part, paraffin oil 0.5 part, contain
Hydrogen silicone oil 0.3 part, emulsifying agent 0.5 part, 5 parts of anticracking fiber material, nano silicon 5 parts；Preparation method
For: first in methyl vinyl silicon kautschuk add zinc stearate, anticracking fiber material, vulcanizing agent and
Nano silicon is the most mixing in kneader, and 170 DEG C of heat mix 2 hours；Treat material be cooled to 60 DEG C with
Under, add diphenyl silanediol, paraffin oil, containing hydrogen silicone oil and emulsifying agent, mixing on twin-screw extruder
Uniformly, it is made into melting silicone rubber.This melting silicone rubber is nontoxic, environmental protection, high temperature resistant 250 DEG C, resistance to low
Temperature-60 DEG C, weatherability is excellent.
The preparation method of above-mentioned anticracking fiber material is as follows:
(1) by cotton fiber low-temperature bake 2-3 hour under 40-70 DEG C of environment, the activity of cotton fiber is improved,
It is easy to subsequent treatment, also is able to play bactericidal action simultaneously；
(2) room temperature state is down in the cotton fiber taking-up after baking in step (2), is then fed into low temperature
In freezing equipment freezing 2-3 time, each cooling time 1-3 hour, cryogenic temperature between-5-0 DEG C, in
Between be spaced 6 hours, improve the performance of fiber with this, chilled after fiber not easy fracture；
(3) cotton fiber completed freezing in step (2) is placed in drying equipment at a temperature of 65-72 DEG C
It is dried 10-20 minute, sends in smelting furnace and carry out melting, reach molten condition, then filter, remove inorganic
Impurity, obtains pelletize semi-finished stock；
(4) pelletize semi-finished stock feeding comminutor is carried out pelletize, obtain graininess anticracking fiber material.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, the present invention is not restricted to the described embodiments, above-described embodiment and explanation
The principle that the present invention is simply described described in book, without departing from the spirit and scope of the present invention,
The present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention model
In enclosing.Claimed scope is defined by appending claims and equivalent thereof.
Claims (1)
1. automobile engine hydraulic shock-absorption support upper cover sulfuration an assembly, its feature with, including sulfuration outside
Set, put connection outside described sulfuration has location-plate, between described location-plate and sulfuration overcoat by colloid even
It is connected together, the curved structure of cross section of described location-plate, described location-plate front end is provided with location
Hole, described sulfuration overcoat is made up of the component of following parts by weight: melting silicone rubber 70 parts, vapor phase method
White carbon 10 parts, ethylene-vinyl acetate copolymer 10 parts, acrylonitrile butadiene 5 parts, Glyceryl Behenate
1.5 parts, nano-ceramic powder 2.5 parts, macromolecule resin emulsion 2 parts, polyurethane 15 parts, linear polyethylene 2
Part, methyl-silicone oil 2 parts, 0.5 part of antioxidant, aluminium oxide 1.5 parts, polysiloxane 2 parts, chloroplatinic acid
0.5 part, lac 2 parts, electronic-grade silicon micropowder 1.5 parts；
The preparation method of above-mentioned sulfuration overcoat is as follows:
1) raw material is weighed by above-mentioned weight proportion；
2) carrying out after being mixed by raw material heating parch, temperature controls at 45-65 DEG C, and the time controls at 25-35
Minute；
3) by step 2) in material after parch send into freezing equipment, connect in the environment of subzero 16-20 DEG C
Continuous freezing 3-5 hour；
4) by step 3) in material after freezing melt through granulator heating, be expressed into mould molding,
To semi-finished product overcoat；
5) to step 4) in semi-finished product carry out humidify cured, obtain finished product sulfuration overcoat；Wherein
Solidification adds wet process and includes following three phases:
First stage: control in curing room positive plate solidification temperature at 60 DEG C, relative humidity 100%, Gu
The change time controlled at 5 hours；
Second stage: control in curing room positive plate solidification temperature at 85 DEG C, relative humidity 100%, Gu
The change time controlled at 24 hours；
Phase III: in controlling curing room, positive plate solidification temperature is at 60 DEG C, relative humidity, 80%, solidifies
Time controlled at 5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610334151.XA CN106009689A (en) | 2016-05-18 | 2016-05-18 | Upper cover vulcanization assembly of hydraulic damping support of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610334151.XA CN106009689A (en) | 2016-05-18 | 2016-05-18 | Upper cover vulcanization assembly of hydraulic damping support of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106009689A true CN106009689A (en) | 2016-10-12 |
Family
ID=57095315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610334151.XA Withdrawn CN106009689A (en) | 2016-05-18 | 2016-05-18 | Upper cover vulcanization assembly of hydraulic damping support of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106009689A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629268A (en) * | 2017-09-06 | 2018-01-26 | 安徽铖友汽车零部件制造有限公司 | A kind of auto camping's pad |
| CN107629267A (en) * | 2017-09-06 | 2018-01-26 | 安徽铖友汽车零部件制造有限公司 | A kind of vehicle roof rack for stationary bicycle |
| CN107629459A (en) * | 2017-09-06 | 2018-01-26 | 安徽铖友汽车零部件制造有限公司 | A kind of radiator shell |
| CN107641227A (en) * | 2017-09-06 | 2018-01-30 | 安徽铖友汽车零部件制造有限公司 | A kind of shock absorption pad for vehicle engine |
| CN107681078A (en) * | 2017-09-06 | 2018-02-09 | 安徽铖友汽车零部件制造有限公司 | A kind of shockproof shell of automobile batteries |
| CN107778559A (en) * | 2017-11-01 | 2018-03-09 | 安徽省金正塑业有限公司 | A kind of refrigerator inner panel and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721484A (en) * | 2004-07-13 | 2006-01-18 | 舟山市海山密封材料有限公司 | Rubber sealed and shock-reducing sound-absorbent material coated on metal sheet and method for preparing same |
| CN104774349A (en) * | 2015-04-17 | 2015-07-15 | 柳州市乾阳机电设备有限公司 | Preparation method of rubber shock pad for engine |
| CN105086007A (en) * | 2015-08-13 | 2015-11-25 | 枞阳县金源汽车零部件有限公司 | Rubber material for car vibration reducing part and production method thereof |
-
2016
- 2016-05-18 CN CN201610334151.XA patent/CN106009689A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721484A (en) * | 2004-07-13 | 2006-01-18 | 舟山市海山密封材料有限公司 | Rubber sealed and shock-reducing sound-absorbent material coated on metal sheet and method for preparing same |
| CN104774349A (en) * | 2015-04-17 | 2015-07-15 | 柳州市乾阳机电设备有限公司 | Preparation method of rubber shock pad for engine |
| CN105086007A (en) * | 2015-08-13 | 2015-11-25 | 枞阳县金源汽车零部件有限公司 | Rubber material for car vibration reducing part and production method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107629268A (en) * | 2017-09-06 | 2018-01-26 | 安徽铖友汽车零部件制造有限公司 | A kind of auto camping's pad |
| CN107629267A (en) * | 2017-09-06 | 2018-01-26 | 安徽铖友汽车零部件制造有限公司 | A kind of vehicle roof rack for stationary bicycle |
| CN107629459A (en) * | 2017-09-06 | 2018-01-26 | 安徽铖友汽车零部件制造有限公司 | A kind of radiator shell |
| CN107641227A (en) * | 2017-09-06 | 2018-01-30 | 安徽铖友汽车零部件制造有限公司 | A kind of shock absorption pad for vehicle engine |
| CN107681078A (en) * | 2017-09-06 | 2018-02-09 | 安徽铖友汽车零部件制造有限公司 | A kind of shockproof shell of automobile batteries |
| CN107778559A (en) * | 2017-11-01 | 2018-03-09 | 安徽省金正塑业有限公司 | A kind of refrigerator inner panel and preparation method thereof |
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Application publication date: 20161012 |
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