CN205110405U - 属凹槽类的热挤压模具 - Google Patents
属凹槽类的热挤压模具 Download PDFInfo
- Publication number
- CN205110405U CN205110405U CN201520817451.4U CN201520817451U CN205110405U CN 205110405 U CN205110405 U CN 205110405U CN 201520817451 U CN201520817451 U CN 201520817451U CN 205110405 U CN205110405 U CN 205110405U
- Authority
- CN
- China
- Prior art keywords
- discharge
- mould
- bridge
- sets
- feed
- 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.)
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- 238000001192 hot extrusion Methods 0.000 title claims abstract description 16
- 239000011148 porous material Substances 0.000 claims abstract description 15
- 230000000875 corresponding Effects 0.000 claims abstract description 5
- 210000003371 Toes Anatomy 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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Abstract
本实用新型涉及一种属凹槽类的热挤压模具，包括自前至后依次设置的上模和下模；其特征是：在所述下模上由进料端至出料端依次设有一级焊合室、二级焊合室、型腔和出料孔；所述上模的出料端设置方头模芯，在方头模芯的四周对应于下模型腔的边缘均匀布置六个分流孔，分流孔之间形成分流桥；在所述上模的中心位置设置三个背孔，背孔分别对应于下模型腔的中部。所述背孔的进料端设置进料沉。在所述分流桥的出料端设置沉桥。所述分流孔的出料端朝向上模外侧设置外扩孔，分流孔的进料端朝向上模中心的一侧设置减压桥。本实用新型所述属凹槽类的热挤压模具不易裂桥、强度高、寿命长，能够在相对较小的挤压机上有效生产高质量高标准的凹槽类型材。
Description
技术领域
[0001] 本实用新型涉及一种属凹槽类的热挤压模具，尤其是一种属凹槽类的铝型材(主要用于扶手、栏杆、幕墙等领域)的热挤压模具，属于模具加工技术领域。
背景技术
[0002] 随着社会的不断发展，市场需求的不断变化，市场竞争越演越烈。这时一种高质量、高标准的凹槽类型材在市场上尤为紧缺，出现了供不应求的现象，从而给模具制造商带来了巨大商机。很多厂家都在行动，但是做出来的产品却很难达到客户的要求，而且自身成本居高不下，模具及易变形报废。众所周知，凹槽类型材的模具在挤压时槽口容易变形，前后尺寸相差大，并且出现前料开口大尾料开口小的现象。由于凹槽处很难供料，要靠打引水来解决，从而造成模具桥位单薄抗压能力不强，导致模具容易裂桥。其次在型材方面不允许存在焊缝(焊合线)、色差等表面缺陷。且此类模具本身截面积就比较大，相对来说，焊合压力就相对减小，这给模具避免焊缝带来很大的困难。再次是模具强度和寿命问题。一直以来，凹槽模具就是本行业内报费率较高的品种，其原因就是桥位面积大、开口容易变形、不稳定，表面有焊缝色差等问题。要解决此类问题最好是型材厂对型材进行整形，但这给形材厂增加了很大的成本和劳动力，所以很大程度来说还是要从模具的设计上想办法来解决以上问题。
发明内容
[0003] 本实用新型的目的是克服现有技术中存在的不足，提供一种属凹槽类的热挤压模具，可以防止前后变形，避免焊缝(焊合线)、且寿命长、生产稳定。
[0004] 按照本实用新型提供的技术方案，所述属凹槽类的热挤压模具，包括自前至后依次设置的上模和下模；其特征是:在所述下模上由进料端至出料端依次设有一级焊合室、二级焊合室、型腔和出料孔；所述上模的出料端设置方头模芯，在方头模芯的四周对应于下模型腔的边缘均匀布置六个分流孔，分流孔之间形成分流桥；在所述上模的中心位置设置三个背孔，背孔分别对应于下模型腔的中部。
[0005] 进一步的，所述背孔的进料端设置进料沉。
[0006] 进一步的，在所述分流桥的出料端设置沉桥。
[0007] 进一步的，所述分流孔的出料端朝向上模外侧设置外扩孔，分流孔的进料端朝向上模中心的一侧设置减压桥。
[0008] 本实用新型所述属凹槽类的热挤压模具，不易裂桥、强度高、寿命长，能够在相对较小的挤压机上有效生产凹槽类型材，从而给市场提供一重高质量高标准的凹槽类型材。
附图说明
[0009] 图1为本实用新型所述热挤压模具的主视图。
[0010] 图2为图1的C-C剖视图。
[0011] 图3为所述上模的主视图。
[0012] 图4为图3的A-A剖视图。
[0013] 图5为所述下模的主视图。
[0014] 图6为图5的B-B剖视图。
[0015]图7为本实用新型所述热挤压模具制造得到的凹槽类型材的结构示意图。
具体实施方式
[0016] 下面结合具体附图对本实用新型作进一步说明。
[0017] 如图1〜图6所示:所述属凹槽类的热挤压模具包括上模1、方头模芯1-1、分流孔1-2、分流桥1-3、背孔1-4、沉桥1-5、外扩孔1-6、减压桥1_7、进料沉1_8、下模2、一级焊合室2-1、二级焊合室2-2、型腔2-3、出料孔2-4等。
[0018] 如图1、图2所示，本实用新型包括自前至后依次设置的上模1和下模2，上模1和下模2通过两个螺丝和两个销钉紧配。
[0019] 如图5、图6所示，在所述下模2上由进料端至出料端依次设有一级焊合室2-1、二级焊合室2-2、型腔2-3和出料孔2-4，一级焊合室2-1和二级焊合室2-2为金属焊合的场所，有助于形成好的表面质量。
[0020] 如图3、图4所示，所述上模1的出料端设置用于形成凹槽类型材的槽体的方头模芯1-1，在方头模芯1-1的四周对应于下模2型腔的边缘均匀布置六个分流孔1-2，分流孔
1-2之间形成分流桥1-3 ;在所述上模1的中心位置设置三个背孔1-4，背孔1-4分别对应于下模2型腔的中部，使型材的凹槽的角位处于分流孔直冲，背孔1-4的进料端设置进料沉
1-8 ;在所述分流桥1-3的出料端设置沉桥1-5，以满足供料，增加焊合压力。
[0021] 所述分流孔1-2的出料端朝向上模1外侧设置外扩孔1-6，分流孔1-2的进料端朝向上模1中心的一侧设置减压桥1-7。
[0022] 与现有同类模具相比，本实用新型具有如下优点:(1)下模的凹槽型腔的角位放分流孔里面直冲，槽与槽中间用桥位拉住，这样角位处的铝流速和中间处可以达到平衡，出料时开口很稳定，前后也不会变形。(2)上模中间采用三个背孔外围六个分流孔，中间背孔采取进料沉的方式来满足供料，使型材流速均匀内外受力达到平衡，从而解决了开口不稳定和模具容易裂桥的问题。(3)上模的出料面采用沉桥形式来加大焊合空间，上模采用外扩的形式和做减压桥的方式来减轻铝流对上模的直接压力；相对的，铝流的压力被转移到了下模的焊合室，这样一来正好增加了下模的焊合力，又减轻了上模压力，大大增加了模具的使用寿命。(4)下模型腔做二级仿形焊合室，有利于提高型材的表面质量，和光洁度。
Claims (4)
1.一种属凹槽类的热挤压模具，包括自前至后依次设置的上模(1)和下模(2);其特征是:在所述下模(2)上由进料端至出料端依次设有一级焊合室(2-1)、二级焊合室(2-2)、型腔(2-3)和出料孔(2-4);所述上模(1)的出料端设置方头模芯(1-1 )，在方头模芯(1-1)的四周对应于下模(2)型腔的边缘均匀布置六个分流孔(1-2)，分流孔(1-2)之间形成分流桥(1-3);在所述上模(1)的中心位置设置三个背孔(1-4)，背孔(1-4)分别对应于下模(2)型腔的中部。
2.如权利要求1所述的属凹槽类的热挤压模具，其特征是:所述背孔(1-4)的进料端设置进料沉(1-8)。
3.如权利要求1所述的属凹槽类的热挤压模具，其特征是:在所述分流桥(1-3)的出料端设置沉桥(1-5)。
4.如权利要求1所述的属凹槽类的热挤压模具，其特征是:所述分流孔(1-2)的出料端朝向上模(1)外侧设置外扩孔(1-6)，分流孔(1-2)的进料端朝向上模(1)中心的一侧设置减压桥(1-7)。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107363119A (zh) * | 2016-05-12 | 2017-11-21 | 天津市玉鼎轩模具制造有限公司 | 一种jlx-650铝型材挤压模具的制备方法 |
| CN107838217A (zh) * | 2017-12-22 | 2018-03-27 | 福建省南平铝业股份有限公司 | 一种铝合金大圆管模具 |
| CN107999555A (zh) * | 2017-11-30 | 2018-05-08 | 江阴市江顺模具有限公司 | 星型管热挤压模具 |
| CN108080433A (zh) * | 2017-11-30 | 2018-05-29 | 江阴市江顺模具有限公司 | 一出三盖板热挤压导流模 |
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| CN107363119A (zh) * | 2016-05-12 | 2017-11-21 | 天津市玉鼎轩模具制造有限公司 | 一种jlx-650铝型材挤压模具的制备方法 |
| CN107999555A (zh) * | 2017-11-30 | 2018-05-08 | 江阴市江顺模具有限公司 | 星型管热挤压模具 |
| CN108080433A (zh) * | 2017-11-30 | 2018-05-29 | 江阴市江顺模具有限公司 | 一出三盖板热挤压导流模 |
| CN107838217A (zh) * | 2017-12-22 | 2018-03-27 | 福建省南平铝业股份有限公司 | 一种铝合金大圆管模具 |
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