CN105691343B - 开放芯部缓冲垫及其制造方法 - Google Patents
开放芯部缓冲垫及其制造方法 Download PDFInfo
- Publication number
- CN105691343B CN105691343B CN201510792032.4A CN201510792032A CN105691343B CN 105691343 B CN105691343 B CN 105691343B CN 201510792032 A CN201510792032 A CN 201510792032A CN 105691343 B CN105691343 B CN 105691343B
- Authority
- CN
- China
- Prior art keywords
- core
- epidermis
- protruding portion
- distal end
- foam
- Prior art date
- 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.)
- Active
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000006260 foam Substances 0.000 claims abstract description 124
- 210000002615 epidermis Anatomy 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000005187 foaming Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims description 24
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims 1
- 238000001125 extrusion Methods 0.000 description 11
- 238000001746 injection moulding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/14—Dashboards as superstructure sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/1257—Joining a preformed part and a lining, e.g. around the edges
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/35—Component parts; Details or accessories
- B29C44/351—Means for preventing foam to leak out from the foaming device during foaming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
- B32B5/20—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material foamed in situ
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/05—Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0091—Damping, energy absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2451/00—Decorative or ornamental articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2571/00—Protective equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/08—Cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/04—Padded linings for the vehicle interior ; Energy absorbing structures associated with padded or non-padded linings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
- Vibration Dampers (AREA)
Abstract
本发明公开了一种开放芯部缓冲垫及其制造方法,其包括芯部和表皮,所述表皮邻接所述芯部从而在其之间包括成形空间。通过将泡沫液体注入所述成形空间而发泡形成发泡层。泡沫带避免所述泡沫液体溢出。所述表皮包括本体部分和远端,所述远端从所述本体部分平行于所述芯部延伸。所述芯部包括突出部,所述突出部朝向所述表皮突出并且在所述芯部和所述远端接触的位置处形成。
Description
技术领域
本发明涉及开放芯部缓冲垫及其制造方法。
背景技术
车辆具有缓冲垫从而在发生事故时最大限度地保护乘客。缓冲垫安装在驾驶员座椅和副驾驶座椅的前侧。
这种缓冲垫由泡沫材料制成,所述泡沫材料具有弹性缓冲性能和吸收一定程度冲击的性质并且提供美学效果。
用于车辆的常规缓冲垫包括表皮和芯部,所述表皮用于提供美学效果,所述芯部用于在表皮的内侧作为框架支撑缓冲垫。用于提供缓冲性能和冲击吸收性能的发泡层介于芯部和表皮之间。
制造缓冲垫的方法包括开放芯部方法和闭合芯部方法,在所述开放芯部方法中在非发泡区域开放的同时进行发泡,在所述闭合芯部方法中进行发泡而没有非发泡区域。然而,由于闭合芯部方法需要额外部件例如分离构件,这增加了成本,因此主要使用开放芯部方法。
图1为显示常规的开放芯部缓冲垫的制造方法的图。将芯部91和表皮92插入模具95,然后将泡沫带93附接至表皮92使得泡沫液体941不溢出。可以制造如图2和3中显示的开放芯部缓冲垫,其中通过挤压模具95使发泡层94介于芯部91和表皮92之间。
参考图4A,常规的缓冲垫具有在发泡过程(发泡反应)中吸收进入泡沫带93(a)的泡沫液体,其中形成发泡层94使得发泡层94和泡沫带93完全附接。然而,表皮92的增塑剂921在耐热老化试验过程中转移至泡沫带93(b),使得泡沫带93的粘合力下降,因此当耐热老化试验完成时,出现泡沫带93脱离的现象(c),如图4B中所示。
公开于该背景技术部分的上述信息仅仅旨在加深对本发明背景技术的理解,因此其可以包含并不构成在本国已为本领域技术人员所公知的现有技术的信息。
发明内容
本发明致力于解决与现有技术相关的上述问题。
本发明理念的一个方面提供一种开放芯部缓冲垫,所述开放芯部缓冲垫可以避免由于增塑剂转移至泡沫带而造成的质量劣化。
本发明的主题不限于上述主题,未提及的其它主题显然能被本领域技术人员理解。
为了实现上述主题,本发明可以包括如下构造。
根据本发明理念的一个示例性实施方案,一种开放芯部缓冲垫包括:芯部和表皮,所述表皮邻接所述芯部从而在其之间包括成形空间。发泡层通过将泡沫液体注入所述成形空间而发泡形成。泡沫带避免所述泡沫液体溢出。所述表皮包括本体部分和远端,所述远端从所述本体部分平行于所述芯部延伸。所述芯部包括突出部,所述突出部朝向所述表皮突出并且在所述芯部和所述远端接触的位置处形成。
所述突出部和所述泡沫带紧密附接。
所述突出部包括头部,所述头部倾斜并且具有尖端。
所述远端包括变薄部段,所述变薄部段在所述远端接触所述突出部的位置处从外侧凹入。
所述远端可移除地与所述泡沫带附接在一起。
所述表皮为聚氯乙烯(PVC)粉浆。
根据本发明理念的另一个示例性实施方案,制造开放芯部缓冲垫的方法包括:将芯部插入上方模具并且将表皮插入下方模具。将泡沫带附接至所述芯部或所述表皮。将泡沫液体注入所述表皮的成形空间。通过挤压所述上方模具和所述下方模具从而制造发泡层。所述表皮包括本体部分和远端,所述远端从所述本体部分平行于所述芯部延伸。所述芯部包括突出部,所述突出部在所述泡沫带的内侧处在所述芯部和所述远端邻接的位置处形成。
当挤压所述上方模具和所述下方模具时,所述泡沫带紧密地附接至所述突出部。
下面讨论本发明的其它方面和示例性实施方案。
应当理解,此处所使用的术语“车辆”或“车辆的”或其它类似术语一般包括机动车辆,例如包括运动型多用途车辆(SUV)、大客车、卡车、各种商用车辆的乘用汽车,包括各种舟艇、船舶的船只,航空器等等,并且包括混合动力车辆、电动车辆、可插式混合动力电动车辆、氢动力车辆以及其它替代性燃料车辆(例如源于非石油的能源的燃料)。正如此处所提到的,混合动力车辆是具有两种或更多动力源的车辆,例如汽油动力和电力动力两者的车辆。
下面讨论本发明的上述特征及其它特征。
附图说明
现在将参考阐明附图的某些示例性实施方案详细描述本发明的上述和其它特征,所述附图在下文中仅用于说明,因此对本发明的理念是非限制性的。
图1为显示现有技术中常规的开放芯部缓冲垫的制造方法的图。
图2为显示现有技术中常规的开放芯部缓冲垫的图。
图3为显示沿着图2的线A-A所呈现的横截面的图。
图4A和4B为通过放大图3的B部分显示泡沫带的脱离现象的图。
图5显示了泡沫带脱离的实际状况。
图6为显示根据本发明的开放芯部缓冲垫的制造过程的图。
图7为显示根据本发明的开放芯部缓冲垫的图。
图8为显示沿着图7的线C-C所呈现的横截面的图。
图9A和9B为通过放大图8的D部分显示移除泡沫带的过程的图。
图10A-10C为显示关闭图6的模具的过程直至在发泡过程完成之后移除泡沫带的过程的图。
应当了解,所附附图并非必须按比例绘制,而是显示了说明本发明的基本原理的各种特征的略微简化的画法。本文所公开的本发明的具体设计特征(包括例如具体尺寸、方向、位置和形状)将部分地由具体所要应用和使用的环境来确定。
在这些图中,贯穿附图的多幅图,附图标记涉及本发明的相同或等同的部分。
具体实施方式
接下来将详细参考本发明的各个实施方案,实施方案的示例被显示在所附附图中并被描述如下。虽然将结合示例性实施方案描述本发明,但是应当了解,本说明书并非要将本发明限制于那些示例性实施方案。相反,本发明旨在不但覆盖这些示例性具体实施方案,而且覆盖可以被包括在由所附权利要求所限定的本发明的精神和范围之内的各种替换、修改、等效方式和其它具体实施方案。
图5显示了泡沫带脱离的最终结果。图6为显示根据本发明的开放芯部缓冲垫的制造过程的图。图7显示了根据本发明的开放芯部缓冲垫。
根据本发明的开放芯部缓冲垫包括芯部1和表皮2,所述表皮2包括成形空间21。发泡层3通过将泡沫液体31注入成形空间21而发泡形成。泡沫带4避免泡沫液体31溢出。开放芯部缓冲垫可以通过将芯部1、表皮2、泡沫液体31和泡沫带4插入模具5,并且挤压模具5来进行制造。
在下文中,参考图6至10,将详细描述本发明的每个结构元件连同缓冲垫的制造方法。
参考图6,缓冲垫可以如下制造:将芯部1插入上方模具51,将表皮2插入下方模具52,然后挤压上方模具51和下方模具52。
芯部1作为框架支撑缓冲垫,参考图9A和9B,当挤压模具5时,芯部1可以包括突出部11,所述突出部11在芯部1和表皮2相遇的位置处朝向表皮2突出。
在制造缓冲垫时,突出部11可以对泡沫液体31进行密封。参考图10A-10C,由于在泡沫液体31发泡之前注入泡沫液体31并且闭合模具5,因此突出部11妨碍泡沫液体31和泡沫带4之间的接触,从而使得泡沫液体31和泡沫带4不能接触。
常规的缓冲垫的特征在于,泡沫液体31和泡沫带4在接触条件下发泡反应从而完全附接。然而,如上所述,在耐热试验过程中表皮2的增塑剂转移至泡沫带4从而降低泡沫带4的粘合力,使得泡沫带4连同发泡层3一起脱离。
根据本发明,泡沫带4不充当最终密封件,而是突出部11进行密封,然后泡沫带4和表皮2一起被移除,因此通过避免发泡层3在耐热试验过程中脱离从而改进质量。
参考图9A和9B,突出部11可以紧密地附接至泡沫带4。之后可以借助最小化在关闭模具5时泡沫带4和突出部11之间留存的泡沫液体31的量从而通过减少吸收进入泡沫带4的泡沫液体的量31而更容易地移除泡沫带4。此外,由于移除的泡沫液体31的量减少,生产效率增加。
突出部11可以倾斜使得接触表皮2的头部111具有尖端。因此,当挤压芯部1和表皮2时,突出部11进入表皮2使得可以容易地移除泡沫带4和表皮2的远端25。此外,由于表皮2和突出部11牢固结合,突出部11可以进一步有效地密封泡沫液体31。
参考图6、9A和9B,表皮2包括成形空间21、本体部分23和远端25,在所述成形空间21内形成泡沫层3,所述本体部分23形成成形空间21,所述远端25从本体部分23延长并且接触芯部1(确切地是突出部11)。
对于表皮2,可以使用各种材料,或更特别地,可以使用聚氯乙烯(PVC)粉浆。
在本发明中,“内”意指基于缓冲垫的轮廓的内部,即朝向泡沫层3的方向,而“外”意指基于缓冲垫的轮廓的外部。
远端25可以从本体部分23延伸和弯曲从而几乎与芯部1平行。此外,远端25从靠近突出部11的部分进一步延伸一定长度至外部使得泡沫带4附接至远端25。
远端25可以包括变薄部段251,所述变薄部段251邻近突出部11从表皮2的外表面凹入。由于变薄部段251的表皮2厚度较薄,在通过突出部11和表皮2完成泡沫层3的最终密封的情况下可以从变薄部段251容易地移除留存的泡沫带4和远端25。
参考图6,泡沫带4可以附接至表皮2的远端25从而避免在挤压模具5之前注入成形空间21的泡沫液体31的溢出现象。此外,参考图10A,在当挤压模具5时突出部11和表皮2不接触的情况下,由于成形空间21在没有泡沫带4时并不密封,因此泡沫液体31会泄漏,而泡沫带4可以进行密封从而防止该情况的发生。
然而,如图10B中所示,如果挤压表皮2和突出部11使得成形空间21密封,如上所述在发泡过程完成之后泡沫带4连同一部分远端25被移除,如图10C中所示。
不同于常规的缓冲垫,根据本发明,由于泡沫带4被移除,因此可以通过将泡沫带4的粘合力降低至泡沫带4可以容易撕除的水平从而容易地移除泡沫带4。
此外,根据本发明,由于如上所述在通过突出部11避免泡沫液体31和泡沫带4接触的条件下发生泡沫反应,使得泡沫液体31不会被吸收进入泡沫带4,因此可以容易地移除泡沫带4。
通过将泡沫液体31注入成形空间21产生泡沫反应并且朝向上方模具51挤压下方模具52从而形成泡沫层3。对于泡沫液体31,可以使用各种材料,然而可以使用聚氨酯液体。
根据本发明,当挤压模具5时,由于在确定突出部11和泡沫带4的位置使得突出部11和泡沫带4紧密地附接之后挤压模具5,因此通过最小化在突出部11和泡沫带4之间留存的泡沫液体31避免了泡沫液体31的过多损失。
根据本发明的制造开放芯部缓冲垫的方法包括将芯部1插入上方模具51并且将表皮2插入下方模具52。使泡沫带4附接至芯部1或表皮2并且将泡沫液体31注入成形空间21。通过挤压上方模具51和下方模具52从而制造发泡层3。
由于芯部1和表皮2已经在上文进行了描述,将省略其描述从而避免重复。
在插入的步骤中,芯部1包括邻近表皮2的变薄部段251的突出部11。
在附接的步骤中,泡沫带4可以附接至表皮2的远端25,注入成形空间21的泡沫液体31朝向表皮2的远端25向下流动至变薄部段251的外部。因此,当挤压模具5时,突出部11和泡沫带4可以紧密地附接。
此外,泡沫带4可以附接至表皮2的两端使得在挤压模具5时在突出部11和表皮2接触之前泡沫液体31不会泄漏。
在注入的步骤中,由于泡沫液体31被泡沫带4堵住,因此泡沫液体31不能向下流动和泄漏。
在制造的步骤中,如果挤压模具5,泡沫液体31均匀地流入成形空间21并且可以通过泡沫带4和最终通过突出部11避免泡沫流体31泄漏。
当发泡反应完成并且发泡层3形成时,移除附接到一部分突出部11的泡沫带4。根据本发明,表皮2在变薄部段251处相对较薄并且可以通过使突出部11的头部111变尖从而刺入表皮2使得变薄部段251变得更薄。可以借助紧密地附接突出部11和泡沫带4从而通过避免泡沫液体31转移进入泡沫带4从而避免泡沫带4附接至突出部11的一侧或芯部1的一个表面。此外,当在泡沫带4的粘合力下降的情况下附接泡沫带4时可以容易地移除泡沫带4。
根据本发明,由于突出部11对发泡层3进行密封,不会出现泡沫带4的脱离现象,这不同于现有技术。
此外,由于本发明包括表皮2的变薄部段251,因此在发泡之后容易移除泡沫带4和一部分表皮2。
因此,根据本发明,可以解决常规的缓冲垫中的问题并且可以提供具有改进质量的缓冲垫。
根据本发明的包括上述构造的开放芯部缓冲垫具有如下效果:
本发明的开放芯部缓冲垫包括突出部,因此当挤压模具时避免了泡沫液体和泡沫带的附接,因此在发泡过程之后可以移除泡沫带。
本发明的开放芯部缓冲垫包括变薄部段,因此在完成发泡层的密封之后变薄部段的外侧处的表皮连同泡沫带可以容易地移除。
由于突出部和表皮彼此接触从而进行密封并且泡沫带连同一部分表皮被移除,不发生泡沫带的脱离,因此改进了质量。
本发明已参照其示例性实施方案进行了详细描述。然而,本领域技术人员将了解,在不偏离本发明的原理和精神下,可对这些实施方案进行改变,本发明的范围在所附权利要求及其等同形式中限定。
Claims (7)
1.一种开放芯部缓冲垫,包括:
芯部;
表皮,其邻接所述芯部从而在两者之间包括成形空间;
发泡层,其通过将泡沫液体注入所述成形空间而发泡形成;以及
泡沫带,其用于避免所述泡沫液体溢出,
其中所述表皮包括:本体部分和远端,所述远端从所述本体部分平行于所述芯部延伸,
所述芯部包括突出部,所述突出部朝向所述表皮突出并且在所述芯部和所述远端接触的位置处形成,
其中所述远端包括变薄部段,所述变薄部段在所述远端接触所述突出部的位置处从外侧凹入,
所述远端可移除地与所述泡沫带附接在一起。
2.根据权利要求1所述的开放芯部缓冲垫,其中所述突出部和所述泡沫带彼此附接。
3.根据权利要求1所述的开放芯部缓冲垫,其中所述突出部包括头部,所述头部倾斜并且具有尖端。
4.根据权利要求1所述的开放芯部缓冲垫,其中所述表皮为聚氯乙烯粉浆。
5.一种制造开放芯部缓冲垫的方法,包括:
将芯部插入上方模具并且将表皮插入下方模具;
将泡沫带附接至所述芯部或所述表皮;
将泡沫液体注入所述表皮的成形空间;以及
通过挤压所述上方模具和所述下方模具从而制造发泡层,
其中所述表皮包括:本体部分和远端,所述远端从所述本体部分平行于所述芯部延伸,
所述芯部包括突出部,所述突出部在所述泡沫带的内侧处在所述芯部和所述远端邻接接触的位置处形成,
所述远端包括变薄部段,所述变薄部段在所述远端接触所述突出部的位置处从外侧凹入,并且所述远端与所述泡沫带一起移除。
6.根据权利要求5所述的制造开放芯部缓冲垫的方法,其中当挤压所述上方模具和所述下方模具时,所述泡沫带紧密地附接至所述突出部。
7.根据权利要求5所述的制造开放芯部缓冲垫的方法,其中所述突出部包括头部,所述头部倾斜并且具有尖端。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0175665 | 2014-12-09 | ||
KR1020140175665A KR101637769B1 (ko) | 2014-12-09 | 2014-12-09 | 오픈코어 크래쉬패드 및 이의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105691343A CN105691343A (zh) | 2016-06-22 |
CN105691343B true CN105691343B (zh) | 2019-03-12 |
Family
ID=55974391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510792032.4A Active CN105691343B (zh) | 2014-12-09 | 2015-11-17 | 开放芯部缓冲垫及其制造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9623639B2 (zh) |
JP (1) | JP2016107974A (zh) |
KR (1) | KR101637769B1 (zh) |
CN (1) | CN105691343B (zh) |
DE (1) | DE102015222764B4 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102406611B1 (ko) * | 2016-11-30 | 2022-06-08 | 델피 금속 에스파냐 에스.에이. | 모터 차량용 스티어링 휠 |
DE202017107149U1 (de) * | 2016-12-01 | 2018-03-05 | Kurtz Gmbh | Crackspalt-Formwerkzeug zum Herstellen eines Partikelschaumstoffteils sowie Vorrichtung zum Herstellen eines Partikelschaumstoffteils |
CN110183720B (zh) * | 2019-06-05 | 2022-06-28 | 天津工业大学 | 一种仿柚子皮结构复合发泡材料及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000246742A (ja) * | 1999-03-01 | 2000-09-12 | Toyo Tire & Rubber Co Ltd | 発泡体付き樹脂成形品及びその製造方法 |
JP2007253844A (ja) * | 2006-03-24 | 2007-10-04 | Kasai Kogyo Co Ltd | 自動車用内装部品 |
CN101151135A (zh) * | 2005-03-30 | 2008-03-26 | Iee国际电子工程股份公司 | 缓冲垫的制造方法 |
CN102729380A (zh) * | 2011-04-11 | 2012-10-17 | 东洋橡胶工业株式会社 | 座位缓冲垫的制造方法 |
CN102962944A (zh) * | 2011-09-01 | 2013-03-13 | 现代自动车株式会社 | 车用缓冲垫的制造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100412663B1 (ko) | 2001-07-10 | 2003-12-31 | 현대자동차주식회사 | 차량의 크래쉬 패드 성형방법 |
KR20040035170A (ko) | 2002-10-18 | 2004-04-29 | 현대모비스 주식회사 | 자동차의 크래쉬 패드용 발포금형 |
KR101966445B1 (ko) * | 2012-05-25 | 2019-04-05 | 현대자동차주식회사 | 크래쉬패드 제조장치 및 제조방법 |
KR101428274B1 (ko) | 2012-12-12 | 2014-08-07 | 현대자동차주식회사 | 발포 일체 사출 금형의 실링 장치 |
KR101428275B1 (ko) | 2012-12-12 | 2014-08-07 | 현대자동차주식회사 | 크래쉬패드 제조장치 및 제조방법, 그리고 이에 의해 제조되는 크래쉬패드 |
KR101428292B1 (ko) | 2012-12-18 | 2014-08-07 | 현대자동차주식회사 | 발포 일체 사출 금형의 실링 장치 |
-
2014
- 2014-12-09 KR KR1020140175665A patent/KR101637769B1/ko active IP Right Grant
-
2015
- 2015-10-30 JP JP2015214084A patent/JP2016107974A/ja active Pending
- 2015-11-02 US US14/930,263 patent/US9623639B2/en active Active
- 2015-11-17 CN CN201510792032.4A patent/CN105691343B/zh active Active
- 2015-11-18 DE DE102015222764.2A patent/DE102015222764B4/de not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000246742A (ja) * | 1999-03-01 | 2000-09-12 | Toyo Tire & Rubber Co Ltd | 発泡体付き樹脂成形品及びその製造方法 |
CN101151135A (zh) * | 2005-03-30 | 2008-03-26 | Iee国际电子工程股份公司 | 缓冲垫的制造方法 |
JP2007253844A (ja) * | 2006-03-24 | 2007-10-04 | Kasai Kogyo Co Ltd | 自動車用内装部品 |
CN102729380A (zh) * | 2011-04-11 | 2012-10-17 | 东洋橡胶工业株式会社 | 座位缓冲垫的制造方法 |
CN102962944A (zh) * | 2011-09-01 | 2013-03-13 | 现代自动车株式会社 | 车用缓冲垫的制造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE102015222764A1 (de) | 2016-06-09 |
US20160159304A1 (en) | 2016-06-09 |
US9623639B2 (en) | 2017-04-18 |
DE102015222764B4 (de) | 2019-06-19 |
CN105691343A (zh) | 2016-06-22 |
KR101637769B1 (ko) | 2016-07-07 |
KR20160069721A (ko) | 2016-06-17 |
JP2016107974A (ja) | 2016-06-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9757884B2 (en) | Apparatus and method for manufacturing crash pad | |
CN105691343B (zh) | 开放芯部缓冲垫及其制造方法 | |
JP5230406B2 (ja) | 乗り物用ヘッドレスト、ヘッドレストの製造方法、及び車両シート | |
CN104114344B (zh) | 模具、发泡成型体的制造方法以及发泡成型体 | |
JP2006306215A (ja) | 車両用ルーフパネル | |
CN104066568A (zh) | 用于生产部件的方法以及部件 | |
CN101279581A (zh) | 汽车密封条 | |
JP5638355B2 (ja) | ダクト入りシートパッドの製造方法及びこれに用いる発泡型 | |
CN103862608A (zh) | 用于制造缓冲垫的成形装置及方法 | |
JP6736212B2 (ja) | 車両用シートパッド及びその製造方法 | |
KR20150071272A (ko) | 투톤 내장패널 사출장치 | |
JP5168305B2 (ja) | ウエザストリップの製造方法 | |
JP2014136423A (ja) | ダクト入りシートパッドの製造方法 | |
KR20080098975A (ko) | 자동차 헤드레스트용 엔드커버 | |
JP6752510B2 (ja) | 車両用シートパッド及びその製造方法 | |
JP5985379B2 (ja) | シールテープ付きダクト入りシートパッド | |
KR101430102B1 (ko) | 자동차 시트용 헤드레스트의 생산 방법 및 그에 의한 헤드레스트 | |
CN204845456U (zh) | 一种汽车复合窗框 | |
JP5953604B2 (ja) | 発泡成形品およびその製造方法 | |
US10220552B2 (en) | Apparatus and method for manufacturing interior part of vehicle | |
KR101560597B1 (ko) | 서로 다른 경도를 갖는 일체발포형 헤드레스트 제조방법 및 그 방법에 의해 제조된 헤드레스트 | |
JP2018011647A (ja) | 車両用シートパッドの製造方法 | |
JP2016052729A (ja) | カウルルーバおよびシール材をアウトサート成形する金型 | |
CN205417087U (zh) | 发泡式汽车空气泄压阀 | |
JP6207689B2 (ja) | ダクト入りシートパッドの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |