CN106003671A - 轻量化xpe汽车空调风管加工方法 - Google Patents

轻量化xpe汽车空调风管加工方法 Download PDF

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CN106003671A
CN106003671A CN201610548787.4A CN201610548787A CN106003671A CN 106003671 A CN106003671 A CN 106003671A CN 201610548787 A CN201610548787 A CN 201610548787A CN 106003671 A CN106003671 A CN 106003671A
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cavity die
station
airduct
unit
xpe
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CN106003671B (zh
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吴艺峰
杨林
尹程
武海刚
卓李传
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GUANGXI XINSHEN SCIENCE AND TECHNOLOGY Co Ltd
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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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum
    • B29C51/105—Twin sheet thermoforming, i.e. deforming two parallel opposing sheets or foils at the same time by using one common mould cavity and without welding them together during thermoforming
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/261—Handling means, e.g. transfer means, feeding means
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/266—Auxiliary operations after the thermoforming operation
    • B29C51/267—Two sheets being thermoformed in separate mould parts and joined together while still in the mould
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/32—Moulds having cutting means
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/36—Moulds specially adapted for vacuum forming, Manufacture 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • B29C51/421—Heating or cooling of preforms, specially adapted for thermoforming
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/006—Using vacuum
    • 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
    • B29L2023/00—Tubular articles
    • B29L2023/005—Hoses, i.e. flexible

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

本发明公开了一种轻量化XPE汽车空调风管加工方法，包括使用一条风管成型生产线加工一种轻量化XPE汽车空调风管，其中所述风管成型生产线包括依次形成上料、校正、加热、合模成型工位的机架，横向移栽单元，气缸，吸盘；校正单元；加热单元；吸塑成型模；其工艺步骤包括：A上料；B校正；C加热；D成型；E取出风管。本发明与现有技术相比，可以解决现有汽车空调风管吹塑工艺表面质量差，产品壁厚不均匀，重量重，隔音隔热效果差的问题。

Description

轻量化XPE汽车空调风管加工方法
技术领域
本发明涉及汽车空调技术领域，尤其是一种用于轻量化XPE汽车空调的风管的加工方法。
背景技术
现有的汽车空调风管成型一般采用吸塑成型工艺，即HDPE材料挤出后，通过成型模具合模，采用吹针吹气，使HDPE材料充满模具型腔，产品冷却后开模取出风管，再经过切边即可得到制品。该工艺适用于中空产品，生产效率高。边角料经粉碎后与新料按一定配比混合可以回用于产品生产。但采用这种吸塑生产的汽车空调风管存在如下不足：由于只靠吹气充型，充型压力不大，制品表面质量相对较差；而且材料利用率较低，产品壁厚也不均匀，壁厚尺寸差异较大。
发明内容
本发明所要解决的问题是提供一种轻量化XPE汽车空调风管加工方法，以解决现有汽车空调风管吸塑工艺表面质量差，产品壁厚不均匀，重量重，隔音隔热效果差的问题。
为了解决上述问题，本发明的技术方案是：本轻量化XPE汽车空调风管加工方法包括使用一条风管成型生产线，该风管成型生产线包括依次形成上料、校正、加热和合模成型工位的机架，所述机架与用于夹持板材在所述机架的工位间横向移动的横向移载单元连接；所述上料工位的所述机架上设有升降驱动单元，所述升降单元的底部设有吸盘，校正工位的所述机架上设有校正单元；加热工位的所述机架上设置有加热单元；合模成型工位的所述机架内设有吸塑成型模，所述吸塑成型模包括机身，所述机架顶部竖立安装有两个升降动力缸，所述升降动力缸的下端设有凸模，所述机身下部并排设有上凹模和下凹模，所述上凹模和所述下凹模的内侧均铰接在所述机身上，所述上凹模的外侧与所述机身之间、所述下凹模的外侧与所述机身之间均连接有转动动力缸；
其工艺步骤包括：
A上料：采用吸盘吸取层叠放置的XPE板材，启动通过升降驱动单元，将板材升起；
B校正：通过横向移载单元将板材输送到校正工位的校正单元上进行校正；
C加热：通过横向移栽单元将校正好的板材输送到加热工位的加热单元内加热；
D成型：通过横向移栽单元将加热后的板材在热状态下输送到合模成型工位的上凹模和下凹模的上表面，凸模下降将板材压紧在上凹模和下凹模上，抽真空，将风管分两半成型，之后凸模上升回位，再启动吸塑成型模，吸塑成型模的上凹模和下凹模同时翻转90°，在吸塑成型模的中部合模，风管的两半合并热压成型，上凹模和下凹模合模同时也将风管周边边角料切断；
E取件：待步骤D的风管冷却后，吸塑成型模的下凹模和上凹模分开并复位，反吹气脱模，取出风管。
由于采用了上述技术方案，本发明与现有技术相比具有如下有益效果：
1、本轻量化XPE汽车空调风管加工方法采用一整套风管成型生产线，使上料、校正、加热、合模成型工序连续快速完成，且校正定位后可以连续成型，保证了较高的加工效率和加工精度；
2、本轻量化XPE汽车空调风管加工方法在板材热状态下先进行凸模压成型，抽真空，先将风管分两半成型，这样可以使板材在紧密压制的情况下所受的压力较均匀，上凹模和下凹模再合模热压成型，因而可以大大降低风管壁厚不均匀的现象，并且可以达到现汽车轻量化要求，比吸塑风管重量减轻至少80%；XPE板材表面结皮，密闭独立泡孔结构，吸水率低，导热系数低，隔热效果佳；采用XPE板材作为原料进行热压成型，使成品具有良好的柔软性，在仪表台总成的装配上有较大的简便性。
附图说明
图1是本发明实施例的主视图；
图2是本发明实施例的俯视图。
具体实施方式
下面结合附图对本发明实施例作进一步详述：
如图1、图2所示的本轻量化XPE汽车空调风管加工方法，包括使用一条风管成型生产线加工一种轻量化XPE汽车空调风管。
其中风管成型生产线包括依次形成上料、校正、加热、合模成型工位的机架10，上料工位1，校正工位2，加热工位3，合模成型工位4。机架10与横向移载单元连接，可以将板材加持住在机架10上的不同工位间横向移动。上料工位1的机架10上设置有升降驱动单元，升降单元的底部设有吸盘，吸盘与真空泵连接。校正工位2的机架10上设有校正单元2-1；加热工位3的机架10上设置有加热单元3-1；合模成型工位4的机架10内设有吸塑成型模，吸塑成型模包括机身4-1，机架10顶部竖立安装有两个升降动力缸4-2，升降动力缸4-2的下端设有凸模4-3，机身4-1下部并排设有上凹模4-4和下凹模4-5，上凹模4-4和下凹模4-5的内侧均铰接在机身4-1上，上凹模4-4的外侧与机身4-1之间、下凹模4-5的外侧与机身4-1之间均连接有转动动力缸4-6。
其工艺步骤包括：
A上料：在上料工位1，采用与真空泵连接的吸盘1-1吸取层叠放置的XPE板材，启动通过升降驱动单元，将板材升起。
B校正：通过横向移载单元11将板材输送到校正工位2的校正单元2-1上进行校正。
C加热：通过夹持式横向移栽单元11将校正好的板材输送到加热工位3的加热单元3-1内加热。
D成型：通过横向移栽单元11将加热后的板材在热状态下输送到合模成型工位4的上凹模4-4和下凹模4-5的上表面，凸模4-3下降将板材压紧在上凹模4-4和下凹模4-5上，抽真空，将风管分两半成型，之后凸模4-3上升回位，再启动吸塑成型模，吸塑成型模的上凹模4-4和下凹模4-5同时翻转90°，在吸塑成型模的中部合模，风管的两半合并热压成型，上凹模4-4和下凹模4-5合模同时也将风管周边边角料切断。
E取件：待步骤D的风管冷却后，吸塑成型模的下凹模4-4和上凹模4-5分开并复位，反吹气脱模，取出风管。

Claims (1)

1.一种轻量化XPE汽车空调风管加工方法，其特征在于：包括使用一条风管成型生产线，该风管成型生产线包括依次形成上料、校正、加热和合模成型工位的机架，所述机架与用于夹持板材在所述机架的工位间横向移动的横向移载单元连接；所述上料工位的所述机架上设有升降驱动单元，所述升降单元的底部设有吸盘，校正工位的所述机架上设有校正单元；加热工位的所述机架上设置有加热单元；合模成型工位的所述机架内设有吸塑成型模，所述吸塑成型模包括机身，所述机架顶部竖立安装有两个升降动力缸，所述升降动力缸的下端设有凸模，所述机身下部并排设有上凹模和下凹模，所述上凹模和所述下凹模的内侧均铰接在所述机身上，所述上凹模的外侧与所述机身之间、所述下凹模的外侧与所述机身之间均连接有转动动力缸；
其工艺步骤包括：
A上料：采用吸盘吸取层叠放置的XPE板材，启动通过升降驱动单元，将板材升起；
B校正：通过横向移载单元将板材输送到校正工位的校正单元上进行校正；
C加热：通过横向移栽单元将校正好的板材输送到加热工位的加热单元内加热；
D成型：通过横向移栽单元将加热后的板材在热状态下输送到合模成型工位的上凹模和下凹模的上表面，凸模下降将板材压紧在上凹模和下凹模上，抽真空，将风管分两半成型，之后凸模上升回位，再之后吸塑成型模的上凹模和下凹模同时翻转90°，在吸塑成型模的中部合模，风管的两半合并热压成型，上凹模和下凹模合模同时也将风管周边边角料切断；
E取件：待步骤D的风管冷却后，吸塑成型模的下凹模和上凹模分开并复位，反吹气脱模，取出风管。
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