CN103834077B - The not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity - Google Patents
The not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity Download PDFInfo
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- CN103834077B CN103834077B CN201410069115.6A CN201410069115A CN103834077B CN 103834077 B CN103834077 B CN 103834077B CN 201410069115 A CN201410069115 A CN 201410069115A CN 103834077 B CN103834077 B CN 103834077B
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- isodensity
- knurling rolls
- uniform thickness
- automobile
- manufacture method
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Classifications
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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
-
- 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)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The present invention relates to the not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity, this materials'use thermoplastic elastomer (TPE), PE, inorganic filler blanc fixe and fill oil through mixing, refining glue, extruding in flakes, the step such as cutting, moulding is mixed and processed. Compared with prior art, the acoustic material that the present invention adopts thermoplastic elastomer (TPE), blanc fixe to fill, has good physical property, has good soundproof effect, can meet the different noise reduction demand of regional. The present invention is not affecting on the basis of acoustics anti-acoustic capability, has reduced material cost, energy-conserving and environment-protective, and automotive light weight technology is had to certain effect.
Description
Technical field
The present invention relates to a kind of manufacture method of materials used in auto manufacturing, especially relate to not uniform thickness of a kind of automobile-used isodensityThe manufacture method of elastomer acoustic material.
Background technology
The structure of the elastomer acoustic material that current sound insulating pad product uses is all generally equal equal thickness, for fullTread is learned 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, at some noisinessLittle region, greatly wastes material resources, is also unfavorable for automotive light weight technology target.
Application number is the system that the Chinese patent of 201010237114.X discloses a kind of filled formed sound insulation pad for automobileMake method, the method adopts air-flow to mix filling molding mode, utilizes fill system according to the thickness situation at each positionFibrous material is filled in mesh mould, then compression molding, last water cuts die-cut rim charge and obtains product, but shouldMethod is merely able to fibrous material to be filled into moulding in mesh mould, for other material, and the especially material of moulding,Cannot realize processing, thereby limit other function of making the deadening felt obtaining.
Summary of the invention
Object of the present invention be exactly provide in order to overcome the defect that above-mentioned prior art exists a kind of moulding easy,The not manufacture method of uniform thickness elastomer acoustic 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 elastomer acoustic material not, adopts following steps:
(1) get the raw materials ready: be (70～80) by weight: (20～30): (280～290): (10～20) weighPolyolefin elastomer, PE, blanc fixe and filling oil, total umber is 400 parts;
(2) mix: above-mentioned raw materials is dropped into banbury and carry out high-speed kneading, carry out exhaust midway, obtain firstSizing 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 calender, through knurling rolls extruding in flakes;
(5) cutting: sheet length is set in accordance with regulations, the sheet material of moulding is carried out to cutting, obtain semi-finished product.
(6) moulding: semi-finished product are carried out to processing and forming, make and obtain automobile-used acoustical insulation products.
Described filling grease separation is from technical grade White Mineral Oil.
In step (2), raw material being placed in to the time mixing in banbury is controlled at 5～7 minutes, and controls banburyIn the bottom land temperature of mixing groove at 150～170 DEG C, when banbury binder removal, temperature is controlled at 125～135 DEG C.
In step (2), carry out high-speed kneading exhaust midway 1～2 time at banbury.
In step (3), the roller heating-up temperature of mill is 110～130 DEG C.
Step (4) utilizes knurling rolls according to product demand, utilizes the extruding force between roller, and sizing material is mouldedProperty flow deformation, makes the not sheet material of uniform thickness of isodensity with regulation section geometric.
Described knurling rolls comprise knurling rolls and lower knurling rolls, gap are set also as required between two knurling rollsAdjust, the middle part of upper knurling rolls offers groove, and gash depth is determined according to product demand, lower knurling rolls tableFace is smooth, and the groove that in utilization, knurling rolls arrange is controlled roller temperature and is controlled at 70～90 DEG C, and compacting obtains etc. closeSpend the not sheet material of uniform thickness.
Also include sided corona treatment step in flakes and between cutting step in extruding, to push the sheet obtaining through knurling rollsMaterial is introduced corona treatment, by corona treatment, sided corona treatment is carried out in the surface of sheet material.
Compared with prior art, the present invention has the following advantages:
(1) acoustic material that adopts thermoplastic elastomer (TPE), blanc fixe to fill, has good physical property, hasSoundproof effect, can meet the different noise reduction demand of automobile regional preferably.
(2) not affecting on the basis of acoustics anti-acoustic capability, reducing material cost, energy-conserving and environment-protective, is automobileCertain contribution is made in lightweight.
(3) by control isodensity not the elastomeric material of equal thickness make the acoustic material obtaining, by onceMoulding just can realize and different need to complete noise reduction requirement to zones of different according to it, greatly reduces and manufacturesCost.
Brief description of the drawings
Fig. 1 is the structural representation of knurling rolls;
In figure, 1 is that upper knurling rolls, 2 are that lower knurling rolls, 3 are groove.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
A kind of automobile front wall sound-isolation product one is arranged on automobile front wall inner side, is composite construction, foamed by PUR andElastomer acoustic material forms, and the preparation method of this elastomer acoustic material comprises the following steps:
(1) weigh, mix: by polyolefin elastomer, PE, blanc fixe and fill oil by 70: 30: 280: 20 compareAfter example weighs well, drop into banbury and carry out high-speed kneading, exhaust midway 1 time. Mixing 6 minutes, temperature reachedBinder removal after 130 DEG C.
(2) refining glue: above-mentioned sizing material is wrapped to roller in mill and turn refining evenly. 120 DEG C of roller heating-up temperatures.
(3) extruding is in flakes: above-mentioned sizing material is dropped into calender, through knurling rolls extruding in flakes, the knurling rolls of employingStructure as shown in Figure 1, comprise between 2, two knurling rolls of knurling rolls 1 and lower knurling rolls gap root be setAdjust according to needs, the middle part of upper knurling rolls 1 offers groove 3, and the degree of depth of groove 3 is true according to product demandFixed, lower knurling rolls 2 surfacings, the groove 3 that in utilization, knurling rolls 1 arrange, controls roller temperature and is controlled at 70 DEG C,Compacting obtains the not sheet material of uniform thickness of isodensity.
(4) sided corona treatment: sheet surface is carried out to discharge process. (fit and want for needs and other materialsAsk).
(5) cutting: sheet length is set in accordance with regulations, the sheet material of moulding is carried out to cutting, obtain semi-finished product.
(6) moulding: semi-finished product are carried out to processing and forming, make and obtain automobile front wall sound-isolation product. According to needWant, produce in the automobile front wall sound-isolation product obtaining the about 2.2kg/m of weight per unit area of fore-end2, thicknessBe about 1.4mm; The about 5.9kg/m of weight per unit area of mid portion2, thickness is about 3.8mm; Back-end regionThe about 4.6kg/m of weight per unit area2, thickness is about 2.9mm. Thereby realize different regions and reach different thickness(weight per unit area difference), soundproof effect is also different, according to regional sound isolation requirement, selects suitable thickness,To reach, low noise object is fallen.
Embodiment 2
Automobile-used isodensity is a manufacture method for uniform thickness elastomer acoustic material not, adopts following steps:
(1) get the raw materials ready: be 80: 20: 290 by weight: 10) weigh polyolefin elastomer, PE, blanc fixeAnd technical grade White Mineral Oil;
(2) mix: above-mentioned raw materials is dropped into banbury and carry out high-speed kneading, raw material is placed in banbury mixingTime is controlled at 5 minutes, and the bottom land temperature of controlling mixing groove in banbury is at 150 DEG C, temperature when banbury binder removalDegree is controlled at 125 DEG C, and 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, the roller heating-up temperature of millBe 110 DEG C, obtain the second sizing material;
(4) extruding is in flakes: above-mentioned sizing material is dropped into calender, through knurling rolls extruding in flakes, the knurling rolls of employingStructure as shown in Figure 1, comprise between 2, two knurling rolls of knurling rolls 1 and lower knurling rolls gap root be setAdjust according to needs, the middle part of upper knurling rolls 1 offers groove 3, and the degree of depth of groove 3 is true according to product demandFixed, lower knurling rolls 2 surfacings, the groove 3 that in utilization, knurling rolls 1 arrange, controls roller temperature and is controlled at 80 DEG C,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 semi-finished product.
(6) moulding: semi-finished product are carried out to processing and forming, make and obtain automobile-used acoustical insulation products.
Embodiment 3
Automobile-used isodensity is a manufacture method for uniform thickness elastomer acoustic material not, adopts following steps:
(1) get the raw materials ready: be 75: 25: 280 by weight: 20 weigh polyolefin elastomers, PE, blanc fixe andTechnical grade White Mineral Oil;
(2) mix: above-mentioned raw materials is dropped into banbury and carry out high-speed kneading, raw material is placed in banbury mixingTime is controlled at 7 minutes, and the bottom land temperature of controlling mixing groove in banbury is at 170 DEG C, temperature when banbury binder removalDegree is controlled at 135 DEG C, and 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, the roller heating-up temperature of millBe 130 DEG C, obtain the second sizing material;
(4) extruding is in flakes: above-mentioned sizing material is dropped into calender, through knurling rolls extruding in flakes, the knurling rolls of employingStructure as shown in Figure 1, comprise between 2, two knurling rolls of knurling rolls 1 and lower knurling rolls gap root be setAdjust according to needs, the middle part of upper knurling rolls 1 offers groove 3, and the degree of depth of groove 3 is true according to product demandFixed, lower knurling rolls 2 surfacings, the groove 3 that in utilization, knurling rolls 1 arrange, controls roller temperature and is controlled at 90 DEG C,Compacting obtains the not sheet material of uniform thickness of isodensity.
(5) sided corona treatment: (for the requirement of fitting of needs and other materials, by what obtain through knurling rolls extrudingSheet material is introduced corona treatment, by corona treatment, sided 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 semi-finished product.
(6) moulding; Semi-finished product are carried out to processing and forming, make and obtain automobile-used acoustical insulation products.
Claims (6)
1. a not manufacture method for uniform thickness elastomer acoustic material of automobile-used isodensity, is characterized in that the methodAdopt following steps:
(1) get the raw materials ready: be (70～80) by weight: (20～30): (280～290): (10～20) weighPolyolefin elastomer, PE, blanc fixe and filling oil, total umber is 400 parts;
(2) mix: above-mentioned raw materials is dropped into banbury and carry out high-speed kneading, carry out exhaust midway, obtain firstSizing 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 calender, through knurling rolls extruding in flakes;
(5) cutting: sheet length is set in accordance with regulations, the sheet material of moulding is carried out to cutting, obtain semi-finished product;
(6) moulding: semi-finished product are carried out to processing and forming, make and obtain automobile-used acoustical insulation products;
Utilize knurling rolls according to product demand, utilize the extruding force between roller, make sizing material generation plastic flow deformation,Make the not sheet material of uniform thickness of isodensity with regulation section geometric, described knurling rolls comprise knurling rolls andLower knurling rolls, arrange gap and adjust as required between two knurling rolls, the middle part of upper knurling rolls offersGroove, gash depth is determined according to product demand, lower knurling rolls surfacing, the groove that in utilization, knurling rolls arrange,Control roller temperature and be controlled at 70～90 DEG C, compacting obtains the not sheet material of uniform thickness of isodensity.
2. the not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity according to claim 1,It is characterized in that, described filling grease separation is from technical grade White Mineral Oil.
3. the not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity according to claim 1,It is characterized in that, in step (2), raw material is placed in to the time mixing in banbury to be controlled at 5～7 minutes, and controlIn banbury processed, the bottom land temperature of mixing groove is at 150～170 DEG C, and when banbury binder removal, temperature is controlled at 125～135 DEG C.
4. the not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity according to claim 1,It is characterized in that, in step (2), carry out high-speed kneading exhaust midway 1～2 time at banbury.
5. the not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity according to claim 1,It is characterized in that, in step (3), the roller heating-up temperature of mill is 110～130 DEG C.
6. the not manufacture method of uniform thickness elastomer acoustic material of a kind of automobile-used isodensity according to claim 1,It is characterized in that, also include sided corona treatment step in flakes and between cutting step in extruding, to pushing through knurling rollsThe sheet material obtaining is introduced corona treatment, by corona treatment, sided 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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| 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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| CN103834077A CN103834077A (en) | 2014-06-04 |
| CN103834077B true CN103834077B (en) | 2016-05-04 |
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| 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 |
| CN105034972B (en) * | 2015-05-12 | 2017-12-01 | 上海华特汽车配件有限公司 | A kind of injection molding vehicle noise insulation pad and its manufacture method |
| 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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| CN1338368A (en) * | 2001-09-06 | 2002-03-06 | 无锡市江南塑料机械有限公司 | Silencing composite plastic pipe and its preparing process and equipment |
| CA2562692C (en) * | 2004-04-15 | 2011-07-12 | Philippe Pierre Marie Joseph Doneux | Sound transmission reducing construction elements |
| CN1283713C (en) * | 2004-06-01 | 2006-11-08 | 丹阳市华东工程塑料有限公司 | Preparing method for acoustic insulating, damping and noise-decreasing sheets for car |
| JP2009220555A (en) * | 2008-02-21 | 2009-10-01 | Sumitomo Chemical Co Ltd | Manufacturing method of surface pattern transfer resin sheet and its manufacturing apparatus |
| CN101451632A (en) * | 2009-01-09 | 2009-06-10 | 侯兴福 | Plastic panel, concrete pipe coating plastic panel and plastic panel processing device |
| CN102336025B (en) * | 2010-07-26 | 2014-06-25 | 上海新安汽车隔音毡有限公司 | Method for manufacturing filled formed sound insulation pad for automobile |
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