CN109624878A - A kind of extrusion interlayer barrier glue, mounting structure and preparation method thereof - Google Patents

A kind of extrusion interlayer barrier glue, mounting structure and preparation method thereof Download PDF

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Publication number
CN109624878A
CN109624878A CN201811531310.0A CN201811531310A CN109624878A CN 109624878 A CN109624878 A CN 109624878A CN 201811531310 A CN201811531310 A CN 201811531310A CN 109624878 A CN109624878 A CN 109624878A
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China
Prior art keywords
barrier
glue
extrusion
rubber sheet
interlayer
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Pending
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CN201811531310.0A
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Chinese (zh)
Inventor
谢宇
张世伟
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TIANJIN HAICHENG RUBBER PLASTIC PRODUCT CO Ltd
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TIANJIN HAICHENG RUBBER PLASTIC PRODUCT CO Ltd
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Priority to CN201811531310.0A priority Critical patent/CN109624878A/en
Publication of CN109624878A publication Critical patent/CN109624878A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0815—Acoustic or thermal insulation of passenger compartments
    • 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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
    • B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
    • B29B7/18—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/183—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with more than one shaft having a casing closely surrounding the rotors, e.g. of Banbury type
    • 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
    • B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • B29B7/22—Component parts, details or accessories; Auxiliary operations
    • B29B7/28—Component parts, details or accessories; Auxiliary operations for measuring, controlling or regulating, e.g. viscosity control
    • 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
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/52—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders
    • B29B7/56—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices with rollers or the like, e.g. calenders with co-operating rollers, e.g. with repeated action, i.e. the material leaving a set of rollers being reconducted to the same set or being conducted to a next set
    • 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
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/72—Measuring, controlling or regulating
    • B29B7/724—Measuring, controlling or regulating for continuous roller mixers, e.g. calenders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R2013/0807—Arrangements of fasteners or clips specially adapted therefore

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

本发明公开了一种挤出夹层阻隔胶、安装结构及其制备方法，阻隔胶具有表面发泡层包裹支撑层形成的“三明治”结构，支撑层为具有一定硬度的金属或塑料，具有阻断噪声传播路径，提高发泡稳定性的效果，发泡层采用EVA材料，具有孔隙介质、吸收噪声能量和减少表面声反射的效果；利用挤出夹层阻隔胶的卷材通过冲压机裁切成车体构件腔体的截面形状作为阻隔胶板片，解决了注塑工艺存在的模具费用高、效率低、且前期样件制作复杂的问题，适用范围广、程序简化、生产效率高且减低了成本。

This invention discloses an extruded sandwich barrier adhesive, an installation structure, and its preparation method. The barrier adhesive has a "sandwich" structure formed by a surface foam layer wrapping a support layer. The support layer is made of metal or plastic with a certain degree of hardness, which can block the noise propagation path and improve the foaming stability. The foam layer is made of EVA material, which has the effects of porous medium, absorbing noise energy, and reducing surface sound reflection. The extruded sandwich barrier adhesive roll is cut into the cross-sectional shape of the cavity of the vehicle body component by a stamping machine as a barrier adhesive sheet, which solves the problems of high mold cost, low efficiency, and complex early sample production in the injection molding process. It has a wide range of applications, simplified procedures, high production efficiency, and reduced costs.

Description

A kind of extrusion interlayer barrier glue, mounting structure and preparation method thereof
Technical field
The present invention relates to vehicle materials and corresponding preparation method, and in particular to a kind of extrusion interlayer barrier glue, installation knot Structure and preparation method thereof.
Background technique
NVH characteristic refers to that i.e. noise, vibration and sound vibration roughness overall characteristic are the comprehensive of measurement Hyundai Motor manufacture level Conjunction property technical indicator, is the important component of the various brands vehicle market competitiveness, therefore major vehicle manufacturing enterprise and automobile Parts enterprises think little of this nothing, promote the NVH characteristic of automobile by every means one after another.There are some in the body structure of automobile Cavity component generates wind and makes an uproar if central post and roof side rail form high-speed flow during galloping in cavity, and And then it is transmitted to car, cause to take uncomfortable.To solve the problems, such as auto NVH, barrier glue will increase in white body to solve sound It makes an uproar problem.But Shooting Technique die cost is high, low efficiency, and the production of exemplar early period is complicated.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of extrusion interlayer barrier glue and preparation method thereof And mounting structure.
The present invention is achieved by the following technical solutions:
A kind of extrusion interlayer barrier glue, including supporting layer and the foaming layer for being wrapped in support layer surface, the supporting layer is Plate structure and surface are evenly equipped with first through hole, and the first through hole is filled by foaming layer.
In the above-mentioned technical solutions, the support layer material is the metal or plastics for having certain degree of hardness.
In the above-mentioned technical solutions, the plastics are preferably PA66.
In the above-mentioned technical solutions, the foaming layer is EVA, i.e. ethylene-vinyl acetate copolymer and its manufactured rubber and plastic Foamed material.
In the above-mentioned technical solutions, the barrier glue is with a thickness of 3-8mm.
In the above-mentioned technical solutions, the diameter of the first through hole is 2-5mm.
In the above-mentioned technical solutions, the spacing of the first through hole is 5-10mm.
A kind of mounting structure squeezing out interlayer barrier glue, including barrier offset plate piece and mounting clip pieces, the barrier offset plate piece The stamped geomery being cut into suitable for vehicle cavity component of glue is obstructed by extrusion interlayer, the barrier offset plate on piece is provided with Several the second through-holes passed through for electrophoresis liquid, the barrier offset plate on piece are provided with the third through-hole for mounting clip pieces installation, institute The two-part structure that mounting clip pieces are mirror image each other is stated, the two is connected to barrier offset plate on piece, the installation by third through-hole Fastener is formed with the clamping header structure for being fixed on car body metal plate surface.
In the above-mentioned technical solutions, the quantity of second through-hole is 2-6.
In the above-mentioned technical solutions, the shape of second through-hole is round or track type.
A kind of preparation method squeezing out interlayer barrier glue, carries out according to the following steps:
Step 1: EVA is plasticated at a temperature of 40 DEG C to 50 DEG C in open mill,
Step 2: auxiliary agent is added in the EVA after plasticating, foaming agent is kneaded at a temperature of 100 DEG C to 120 DEG C in mixer, The dosage percent of middle foaming agent is 2% to 5%；
Coiled material is formed in support layer surface Step 3: squeezing out after extruder is melted.
A kind of preparation method squeezing out interlayer barrier glue mounting structure, carries out according to the following steps:
Step 1: using above-mentioned extrusion interlayer obstruct glue by press machine cut into the cross sectional shape of car body member cavity as Obstruct offset plate piece；
Step 2: cutting out several the second through-holes passed through for electrophoresis liquid by press machine in the barrier offset plate on piece With the third through-hole installed for mounting clip pieces；
Step 3: will have the mounting clip pieces of the two-part structure of mirror image to be each other connected to barrier offset plate by third through-hole On piece.
The advantages and benefits of the present invention are:
1, a kind of " sandwich " structure for squeezing out interlayer barrier glue and there is surface blister layer package supporting layer to be formed, wherein propping up Supportting layer is metal or plastics with certain degree of hardness, is suitable for through clamping structure vertical " vertical " in the installation side on metal plate surface Formula has block noise propagation path, improves the effect of foamed stability, and foaming layer uses EVA material, have pore media, Absorption of noise energy and the effect for reducing surface sound reflecting.
2, a kind of extrusion interlayer barrier glue mounting structure is formed using extrusion way, utilizes the coiled material for squeezing out interlayer barrier glue The cross sectional shape for cutting into car body member cavity by press machine solves mold existing for Shooting Technique as barrier offset plate piece Costly, low efficiency and the complicated problem of exemplar early period production, applied widely, program simplification, high production efficiency and reduce Cost.
3, a kind of mounting clip pieces for squeezing out interlayer barrier glue mounting structure are the two-part structure of mirror image each other, and the two passes through Third through-hole is connected to barrier offset plate on piece, and the mounting clip pieces are formed with the clamping joint knot for being fixed on car body metal plate surface Structure, the assembling mode and mounting means of mounting clip pieces are easy, high-efficient.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for squeezing out interlayer and obstructing glue in the present invention.
Fig. 2 is the structural schematic diagram of supporting layer in the present invention.
Fig. 3 is a kind of structural schematic diagram for squeezing out interlayer and obstructing glue mounting structure in the present invention.
Wherein: 1 is supporting layer, and 2 be foaming layer, and 3 be first through hole, and 4 be barrier offset plate piece, and 5 be the second through-hole, and 6 be peace Be loaded part, and 7 be third through-hole, and 8 be clamping joint.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached Figure obtains other relevant drawings.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, combined with specific embodiments below furtherly Bright technical solution of the present invention.
Embodiment 1
A kind of extrusion interlayer barrier glue, including supporting layer 1 and the foaming layer 2 for being wrapped in support layer surface, the supporting layer For plate structure and surface is evenly equipped with first through hole 3, and the first through hole is filled by foaming layer.The support layer material is tool The metal or plastics of standby certain degree of hardness, plastics are preferably PA66.The foaming layer is EVA, i.e. ethylene-vinyl acetate copolymer And its manufactured rubber plastic foam material.The barrier glue is with a thickness of 5mm.The diameter of the first through hole is 2mm.First through hole Spacing be 5mm.
A kind of preparation method squeezing out interlayer barrier glue, carries out according to the following steps:
Step 1: EVA is plasticated at a temperature of 40 DEG C to 50 DEG C in open mill,
Step 2: auxiliary agent is added in the EVA after plasticating, foaming agent is kneaded at a temperature of 100 DEG C to 120 DEG C in mixer, The dosage percent of middle foaming agent is 2% to 5%；
Coiled material is formed in support layer surface Step 3: squeezing out after extruder is melted.
Embodiment 2
The extrusion interlayer prepared in step 1 barrier glue is passed through press machine by a kind of mounting structure for squeezing out interlayer barrier glue It is cut into the geomery suitable for vehicle cavity component, and in barrier glue aperture, then the glue for cooperating it to use is followed closely and is installed In in hole, is formed and obstruct glue product.
Embodiment 3
A kind of mounting structure squeezing out interlayer barrier glue, including barrier offset plate piece 4 and mounting clip pieces 6, the barrier offset plate Piece obstructs the stamped geomery being cut into suitable for vehicle cavity component of glue by extrusion interlayer, and the barrier offset plate on piece is opened There are 2 the second through-holes of circle 5 passed through for electrophoresis liquid, the barrier offset plate on piece is provided with the third through-hole for mounting clip pieces installation 7, the mounting clip pieces are the two-part structure of mirror image each other, and the two is connected to barrier offset plate on piece by third through-hole, described Mounting clip pieces are formed with 8 structure of clamping joint for being fixed on car body metal plate surface.
A kind of preparation method squeezing out interlayer barrier glue mounting structure, carries out according to the following steps:
Step 1: using above-mentioned extrusion interlayer obstruct glue by press machine cut into the cross sectional shape of car body member cavity as Obstruct offset plate piece；
Step 2: cutting out several the second through-holes passed through for electrophoresis liquid by press machine in the barrier offset plate on piece With the third through-hole installed for mounting clip pieces；
Step 3: will have the mounting clip pieces of the two-part structure of mirror image to be each other connected to barrier offset plate by third through-hole On piece.
In use, the mounting structure of the above-mentioned extrusion interlayer prepared barrier glue is passed through clamping joint before the process that is welded It is installed on the metal plate of car body, completes to be welded with after electrophoresis, vehicle cavity component enters roasting procedure, around here at 180 DEG C At a temperature of, the EVA foaming and intumescing of foaming layer fills up space in cavity component, blocks the intracorporal air-flow of chamber, and play absorption and make an uproar The effect of several waves.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object, Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and It is indirectly connected with (connection).In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", " left side ", The orientation of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " or position are closed System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal Fall into protection scope of the present invention.

Claims (10)

1.一种挤出夹层阻隔胶，其特征在于：包括支撑层和包裹于支撑层表面的发泡层，所述支撑层为板状结构且表面均布有第一通孔，所述第一通孔被发泡层所填充。1. an extrusion interlayer barrier adhesive, characterized in that: comprising a support layer and a foam layer wrapped on the surface of the support layer, the support layer is a plate-like structure and the surface is uniformly distributed with first through holes, the first The through holes are filled with the foam layer. 2.根据权利要求1所述的一种挤出夹层阻隔胶，其特征在于：所述支撑层材料为金属或塑料。2 . The extrusion interlayer barrier adhesive according to claim 1 , wherein the material of the support layer is metal or plastic. 3 . 3.根据权利要求2所述的一种挤出夹层阻隔胶，其特征在于：所述塑料为PA66。3 . The extrusion interlayer barrier adhesive according to claim 2 , wherein the plastic is PA66. 4 . 4.根据权利要求1所述的一种挤出夹层阻隔胶，其特征在于：所述发泡层为EVA，即乙烯-醋酸乙烯共聚物及其制成的橡塑发泡材料。4. A kind of extrusion interlayer barrier glue according to claim 1, is characterized in that: described foam layer is EVA, namely ethylene-vinyl acetate copolymer and the rubber-plastic foam material made from it. 5.根据权利要求1所述的一种挤出夹层阻隔胶，其特征在于：所述阻隔胶为厚度为3-8mm。5 . The extrusion interlayer barrier adhesive according to claim 1 , wherein the barrier adhesive has a thickness of 3-8 mm. 6 . 6.根据权利要求1所述的一种挤出夹层阻隔胶，其特征在于：所述第一通孔的直径为2-5mm，间距为5-10mm。6 . The extrusion interlayer barrier adhesive according to claim 1 , wherein the diameter of the first through holes is 2-5 mm, and the spacing is 5-10 mm. 7 . 7.一种挤出夹层阻隔胶的安装结构，其特征在于：包括阻隔胶板片和安装卡件，所述阻隔胶板片由挤出夹层阻隔胶经冲压裁切为适用于汽车腔体构件的形状尺寸，所述阻隔胶板片上开有若干个供电泳液通过的第二通孔，所述阻隔胶板片上开有供安装卡件安装的第三通孔，所述安装卡件为互为镜像的两部分结构，二者通过第三通孔卡接在阻隔胶板片上，所述安装卡件形成有用于固定在车体钣金表面的卡接头结构。7. An installation structure for extruding interlayer barrier glue, characterized in that it comprises a barrier rubber sheet and a mounting clip, and the barrier rubber sheet is punched and cut by the extrusion interlayer barrier glue to be suitable for automotive cavity components shape and size, the barrier rubber sheet has a plurality of second through holes for the electrophoresis liquid to pass through, and the barrier rubber sheet has a third through hole for the installation of the installation clips, and the installation clips are mutually It is a mirrored two-part structure, and the two parts are clamped on the barrier rubber sheet through the third through hole, and the mounting clamp is formed with a clamp joint structure for fixing on the sheet metal surface of the vehicle body. 8.根据权利要求7所述的一种挤出夹层阻隔胶的安装结构，其特征在于：所述第二通孔的数量为2-6，形状为圆形或跑道形。8 . The installation structure for extruding interlayer barrier glue according to claim 7 , wherein the number of the second through holes is 2-6, and the shape is a circle or a racetrack shape. 9 . 9.一种挤出夹层阻隔胶的制备方法，按照下列步骤进行：9. A preparation method of extruded interlayer barrier adhesive, which is carried out according to the following steps: 步骤一、将EVA在开炼机中40℃至50℃温度下塑炼，Step 1. Plasticizing the EVA at a temperature of 40°C to 50°C in an open mill, 步骤二、塑炼后的EVA加入助剂、发泡剂在密炼机中100℃至120℃温度下混炼，其中发泡剂的剂量百分比为2％至5％；Step 2, adding auxiliary agent and foaming agent to the plasticized EVA and mixing at a temperature of 100°C to 120°C in an internal mixer, wherein the dosage percentage of the foaming agent is 2% to 5%; 步骤三、将挤出机熔融后挤出于支撑层表面形成卷材。Step 3, melt the extruder and extrude it on the surface of the support layer to form a coil. 10.一种挤出夹层阻隔胶安装结构的制备方法，按照下列步骤进行：10. A preparation method of an extrusion interlayer barrier glue installation structure, which is carried out according to the following steps: 步骤一、将挤出夹层阻隔胶通过冲压机裁切成车体构件腔体的截面形状作为阻隔胶板片；Step 1: Cut the extruded interlayer barrier glue into the cross-sectional shape of the vehicle body component cavity by a punching machine as a barrier rubber sheet; 步骤二、在所述阻隔胶板片上通过冲压机裁切出若干个供电泳液通过的第二通孔和供安装卡件安装的第三通孔；Step 2, cutting out a plurality of second through holes for the electrophoresis liquid to pass through and a third through hole for the installation of the mounting clips on the barrier rubber sheet by a punching machine; 步骤三、将具有互为镜像的两部分结构的安装卡件通过第三通孔卡接在阻隔胶板片上。Step 3: The mounting clip with the two-part structure that is mirror image of each other is clipped on the barrier rubber sheet through the third through hole.
CN201811531310.0A 2018-12-14 2018-12-14 A kind of extrusion interlayer barrier glue, mounting structure and preparation method thereof Pending CN109624878A (en)

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