CN103834077A - Manufacturing method of equidensite elastomer sound insulation material in different thickness for vehicle - Google Patents
Manufacturing method of equidensite elastomer sound insulation material in different thickness for vehicle Download PDFInfo
- Publication number
- CN103834077A CN103834077A CN201410069115.6A CN201410069115A CN103834077A CN 103834077 A CN103834077 A CN 103834077A CN 201410069115 A CN201410069115 A CN 201410069115A CN 103834077 A CN103834077 A CN 103834077A
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- isodensity
- roller
- automobile
- uniform thickness
- sound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/7461—Combinations of dissimilar mixers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
- B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a manufacturing method of an equidensite elastomer sound insulation material in different thickness for vehicle. The material is formed by mixing thermoplastic elastomer, PE (polyethylene), inorganic filler barite powder and extending oil, rubber mixing, extruding to form a sheet, cutting and forming. Compared with the prior art, the sound insulation material filled by the thermoplastic elastomer and barite powder is good in physical performance and good in sound insulation function, and capable of satisfying different noise reduction requirements in different regions. On the basis that the acoustic noise reduction performance is not influenced, the material cost is reduced, the manufacturing is energy-saving and environmental friendly and the material has a certain effect on automobile lightweight.
Description
Technical field
The present invention relates to a kind of manufacture method of materials used in auto manufacturing, especially relate to the not manufacture method of uniform thickness elastomerics sound-proof material of a kind of automobile-used isodensity.
Background technology
The structure of the elastomerics sound-proof material that current sound insulating pad product uses is all generally equal equal thickness, in order to meet acoustics requirement, often adopts thicker structure (thickness is larger, and defening effect is better), and pts wt is also larger.And often also different from the noisiness of all directions, the material of employing homogeneous thickness, in the less region of some noisiness, greatly wastes material resources, is also unfavorable for automotive light weight technology target.
Application number is the making method that the Chinese patent of 201010237114.X discloses a kind of filled formed sound insulation pad for automobile, the method adopts air-flow to mix filling molding mode, utilize fill system according to the thickness situation at each position, filamentary material to be filled in mesh mould, compression molding again, last water cuts die-cut rim charge and obtains product, but the method is merely able to filamentary material to be filled into moulding in mesh mould, for other material, especially the material of moulding, cannot realize processing, thereby limit other function of making the sound-proof felt obtaining.
Summary of the invention
Object of the present invention is exactly to provide in order to overcome the defect that above-mentioned prior art exists that a kind of moulding is easy, the not manufacture method of uniform thickness elastomerics sound-proof material of the automobile-used isodensity of excellent performance.
Object of the present invention can be achieved through the following technical solutions:
Automobile-used isodensity is a manufacture method for uniform thickness elastomerics sound-proof material not, adopts following steps:
(1) get the raw materials ready: be (70～80) by weight: (20～30): (280～290): (10～20) weigh polyolefin elastomer, PE, ground barium sulfate and extending oil, total umber is 400 parts;
(2) mix: above-mentioned raw materials is dropped into Banbury mixer and carry out high-speed kneading, carry out exhaust midway, obtain the first sizing material;
(3) refining glue: the first sizing material is placed in and wraps roller in mill and turn refining evenly, obtain the second sizing material;
(4) extruding in flakes: the second sizing material drops into rolling press, through grain roller extruding in flakes;
(5) cutting: sheet length is set in accordance with regulations, the sheet material of moulding is carried out to cutting, obtain work in-process.
(6) moulding: work in-process are carried out to forming process, make and obtain automobile-used acoustical insulation products.
Described extending oil is selected from technical grade white mineral oil.
In step (2), raw material being placed in to the time mixing in Banbury mixer is controlled at 5～7 minutes, and the bottom land temperature of controlling mixing groove in Banbury mixer is at 150～170 ℃, and when Banbury mixer binder removal, temperature is controlled at 125～135 ℃.
In step (2), carry out high-speed kneading exhaust midway 1～2 time at Banbury mixer.
In step (3), the roller Heating temperature of mill is 110～130 ℃.
Step (4) utilizes grain roller according to product demand, utilizes the squeeze between roller, makes sizing material generation plastic flow deformation, makes the not sheet material of uniform thickness of isodensity with regulation section geometric.
Described grain roller comprise grain roller and lower grain roller, gap is set between two grain roller and adjusts as required, the middle part of upper grain roller offers groove, gash depth is determined according to product demand, lower grain roller surfacing, the groove that in utilization, grain roller arrange, controls roller temperature and is controlled at 70～90 ℃, and compacting obtains the not sheet material of uniform thickness of isodensity.
Also include corona treatment step in flakes and between cutting step in extruding, introduce corona treatment to push the sheet material obtaining through grain roller, by corona treatment, corona treatment is carried out in the surface of sheet material.
Compared with prior art, the present invention has the following advantages:
(1) sound-proof material that adopts thermoplastic elastomer, ground barium sulfate to fill, has good physicals, has good soundproof effect, can meet the different noise reduction demand of automobile regional.
(2) do not affecting on the basis of acoustics anti-acoustic capability, reducing material cost, energy-conserving and environment-protective, for automotive light weight technology is made certain contribution.
(3) by control isodensity not the elastomer material of equal thickness make the sound-proof material obtaining, just can realize and different need to complete noise reduction requirement to different zones according to it by once shaped, greatly reduce the cost of manufacturing.
Accompanying drawing explanation
Fig. 1 is the structural representation of grain roller;
In figure, 1 is that upper grain roller, 2 are that lower grain roller, 3 are groove.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of automobile front wall sound-isolation product one is arranged on automobile front wall inner side, is composite structure, is foamed and elastomerics sound-proof material forms by PUR, and the making method of this elastomerics sound-proof material comprises the following steps:
(1) weigh, mix: by polyolefin elastomer, PE, ground barium sulfate and extending oil in 70: 30: 280: after 20 ratios weigh, drop into Banbury mixer carry out high-speed kneading, exhaust midway 1 time.Mixing 6 minutes, binder removal after temperature reaches 130 ℃.
(2) refining glue: above-mentioned sizing material is wrapped to roller in mill and turn refining evenly.120 ℃ of roller Heating temperatures.
(3) extruding in flakes: above-mentioned sizing material is dropped into rolling press, through grain roller extruding in flakes, the structure of the grain roller that adopt as shown in Figure 1, comprise grain roller 1 and lower grain roller 2, gap is set between two grain roller and adjusts as required, the middle part of upper grain roller 1 offers groove 3, the degree of depth of groove 3 is determined according to product demand, lower grain roller 2 surfacings, the groove 3 that in utilization, grain roller 1 arrange, control roller temperature and be controlled at 70 ℃, compacting obtains the not sheet material of uniform thickness of isodensity.
(4) corona treatment: sheet surface is carried out to discharge process.(for need to other materials fit require).
(5) cutting: sheet length is set in accordance with regulations, the sheet material of moulding is carried out to cutting, obtain work in-process.
(6) moulding: work in-process are carried out to forming process, make and obtain automobile front wall sound-isolation product.As required, produce in the automobile front wall sound-isolation product obtaining the about 2.2kg/m of weight per unit area of fore-end
2, thickness is about 1.4mm; The about 5.9kg/m of weight per unit area of middle portion
2, thickness is about 3.8mm; The about 4.6kg/m of weight per unit area of back-end region
2, thickness is about 2.9mm.Reach different thickness (weight per unit area difference) thereby realize different regions, soundproof effect is also different, according to regional sound isolation requirement, selects suitable thickness, falls low noise object to reach.
Embodiment 2
Automobile-used isodensity is a manufacture method for uniform thickness elastomerics sound-proof material not, adopts following steps:
(1) get the raw materials ready: be 80: 20: 290 by weight: 10) weigh polyolefin elastomer, PE, ground barium sulfate and technical grade white mineral oil;
(2) mix: above-mentioned raw materials is dropped into Banbury mixer and carry out high-speed kneading, the raw material mixing time in Banbury mixer that is placed in is controlled at 5 minutes, and the bottom land temperature of controlling mixing groove in Banbury mixer is at 150 ℃, and when Banbury mixer binder removal, temperature is controlled at 125 ℃, exhaust midway once, obtains the first sizing material;
(3) refining glue: the first sizing material is placed in and wraps roller in mill and turn refining evenly, and the roller Heating temperature of mill is 110 ℃, obtains the second sizing material;
(4) extruding in flakes: above-mentioned sizing material is dropped into rolling press, through grain roller extruding in flakes, the structure of the grain roller that adopt as shown in Figure 1, comprise grain roller 1 and lower grain roller 2, gap is set between two grain roller and adjusts as required, the middle part of upper grain roller 1 offers groove 3, the degree of depth of groove 3 is determined according to product demand, lower grain roller 2 surfacings, the groove 3 that in utilization, grain roller 1 arrange, control roller temperature and be controlled at 80 ℃, compacting obtains the not sheet material of uniform thickness of isodensity.
(5) cutting: sheet length is set in accordance with regulations, the sheet material of moulding is carried out to cutting, obtain work in-process.
(6) moulding: work in-process are carried out to forming process, make and obtain automobile-used acoustical insulation products.
Automobile-used isodensity is a manufacture method for uniform thickness elastomerics sound-proof material not, adopts following steps:
(1) get the raw materials ready: be 75: 25: 280 by weight: 20 weigh polyolefin elastomer, PE, ground barium sulfate and technical grade white mineral oil;
(2) mix: above-mentioned raw materials is dropped into Banbury mixer and carry out high-speed kneading, the raw material mixing time in Banbury mixer that is placed in is controlled at 7 minutes, and the bottom land temperature of controlling mixing groove in Banbury mixer is at 170 ℃, and when Banbury mixer binder removal, temperature is controlled at 135 ℃, exhaust midway twice, obtains the first sizing material;
(3) refining glue: the first sizing material is placed in and wraps roller in mill and turn refining evenly, and the roller Heating temperature of mill is 130 ℃, obtains the second sizing material;
(4) extruding in flakes: above-mentioned sizing material is dropped into rolling press, through grain roller extruding in flakes, the structure of the grain roller that adopt as shown in Figure 1, comprise grain roller 1 and lower grain roller 2, gap is set between two grain roller and adjusts as required, the middle part of upper grain roller 1 offers groove 3, the degree of depth of groove 3 is determined according to product demand, lower grain roller 2 surfacings, the groove 3 that in utilization, grain roller 1 arrange, control roller temperature and be controlled at 90 ℃, compacting obtains the not sheet material of uniform thickness of isodensity.
(5) corona treatment: (for the requirement of fitting of needs and other materials, introduce corona treatment by push the sheet material obtaining through grain roller, by corona treatment, corona treatment is carried out in the surface of sheet material;
(5) cutting: sheet length is set in accordance with regulations, the sheet material of moulding is carried out to cutting, obtain work in-process.
(6) moulding; Work in-process are carried out to forming process, make and obtain automobile-used acoustical insulation products.
Claims (8)
1. a not manufacture method for uniform thickness elastomerics sound-proof material of automobile-used isodensity, is characterized in that, the method adopts following steps:
(1) get the raw materials ready: be (70～80) by weight: (20～30): (280～290): (10～20) weigh polyolefin elastomer, PE, ground barium sulfate and extending oil, total umber is 400 parts;
(2) mix: above-mentioned raw materials is dropped into Banbury mixer and carry out high-speed kneading, carry out exhaust midway, obtain the first sizing material;
(3) refining glue: the first sizing material is placed in and wraps roller in mill and turn refining evenly, obtain the second sizing material;
(4) extruding in flakes: the second sizing material drops into rolling press, through grain roller extruding in flakes;
(5) cutting: sheet length is set in accordance with regulations, the sheet material of moulding is carried out to cutting, obtain work in-process.
(6) moulding: work in-process are carried out to forming process, make and obtain automobile-used acoustical insulation products.
2. the not manufacture method of uniform thickness elastomerics sound-proof material of a kind of automobile-used isodensity according to claim 1, is characterized in that, described extending oil is selected from technical grade white mineral oil.
3. the not manufacture method of uniform thickness elastomerics sound-proof material of a kind of automobile-used isodensity according to claim 1, it is characterized in that, in step (2), raw material being placed in to the time mixing in Banbury mixer is controlled at 5～7 minutes, and the bottom land temperature of controlling mixing groove in Banbury mixer is at 150～170 ℃, when Banbury mixer binder removal, temperature is controlled at 125～135 ℃.
4. the not manufacture method of uniform thickness elastomerics sound-proof material of a kind of automobile-used isodensity according to claim 1, is characterized in that, in step (2), carries out high-speed kneading exhaust midway 1～2 time at Banbury mixer.
5. the not manufacture method of uniform thickness elastomerics sound-proof material of a kind of automobile-used isodensity according to claim 1, is characterized in that, in step (3), the roller Heating temperature of mill is 110～130 ℃.
6. the not manufacture method of uniform thickness elastomerics sound-proof material of a kind of automobile-used isodensity according to claim 1, it is characterized in that, step (4) utilizes grain roller according to product demand, utilize the squeeze between roller, make sizing material generation plastic flow deformation, make the not sheet material of uniform thickness of isodensity with regulation section geometric.
7. the not manufacture method of uniform thickness elastomerics sound-proof material of a kind of automobile-used isodensity according to claim 6, it is characterized in that, described grain roller comprise grain roller and lower grain roller, gap is set between two grain roller and adjusts as required, the middle part of upper grain roller offers groove, and gash depth is determined according to product demand, lower grain roller surfacing, the groove that in utilization, grain roller arrange, controls roller temperature and is controlled at 70～90 ℃, and compacting obtains the not sheet material of uniform thickness of isodensity.
8. the not manufacture method of uniform thickness elastomerics sound-proof material of a kind of automobile-used isodensity according to claim 1, it is characterized in that, also include corona treatment step in flakes and between cutting step in extruding, introduce corona treatment to push the sheet material obtaining through grain roller, by corona treatment, corona treatment is carried out in the surface of sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410069115.6A CN103834077B (en) | 2014-02-27 | 2014-02-27 | The not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity |
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| CN201410069115.6A CN103834077B (en) | 2014-02-27 | 2014-02-27 | The not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity |
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| CN103834077A true CN103834077A (en) | 2014-06-04 |
| CN103834077B CN103834077B (en) | 2016-05-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629160A (en) * | 2015-02-15 | 2015-05-20 | 苏州爱康薄膜新材料有限公司 | NVH composite material required by high sound-insulation and sound-absorption performance and preparation method thereof |
| CN105034972A (en) * | 2015-05-12 | 2015-11-11 | 上海华特汽车配件有限公司 | Injection molded automotive sound insulation pad and manufacturing method thereof |
| CN107556604A (en) * | 2017-10-10 | 2018-01-09 | 苏州维尔科汽车新材料有限公司 | The close not uniform thickness sound insulation sheet material such as one kind and its production technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104629160A (en) * | 2015-02-15 | 2015-05-20 | 苏州爱康薄膜新材料有限公司 | NVH composite material required by high sound-insulation and sound-absorption performance and preparation method thereof |
| CN105034972A (en) * | 2015-05-12 | 2015-11-11 | 上海华特汽车配件有限公司 | Injection molded automotive sound insulation pad and manufacturing method thereof |
| CN107556604A (en) * | 2017-10-10 | 2018-01-09 | 苏州维尔科汽车新材料有限公司 | The close not uniform thickness sound insulation sheet material such as one kind and its production technology |
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| CN103834077B (en) | 2016-05-04 |
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