| 丁东升.新型全电动式注塑机直拉式电动射移机构[J].轻工机械,2015,33(1): |
| 新型全电动式注塑机直拉式电动射移机构 |
| New Electric Driven Injection Pull-in Sled Mechanism in Fully Electric Injection Molding Machine |
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| DOI：IO. 3969/j. issn. 1005 -2895. 2015. 01. 001 |
| 中文关键词: 全电动式注塑机 直拉式 电动射移机构 力系封闭回路 |
| 英文关键词:fully electric injection molding machine direct connecting to stationary platen of clamp unit electric driven
injection pull-in sled force close loop |
| 基金项目: |
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| 中文摘要: |
| 采用射移丝杠安装于机架方式的全电动式注塑机电动射移机构，易造成推力块的力臂结构长度过长。当喷嘴顶
靠于模具时，由于过大偏载力矩的作用而产生上翘现象。针对性地设计开发了新型直拉式电动射移机构。该机构将注
射单元通过直拉式射移机构直拉于定模板上，大大减小了全电动式注塑机射移力系的封闭回路里出力机构的射移丝杠
中心线与机筒中心线的距离，使机架不再需要承受原有设计由于射移最终阶段喷嘴顶紧模具浇口产生的顶靠力，从而大
大改善了射移机构和喷嘴的受力情况，同时也简化了机架结构，进而减轻了机架的结构重量。 |
| 英文摘要: |
| Fully electric injection molding machine with injection screw installed at the rack, is prone to have longer arm
of thrust piece, when the nozzle is close to the mould. it intends to upwarp. Thus a new electric drive pull-in sled
mechanism is developed to solve the problem existing in original design. The new design electric drive pull-in sled
mechanism is connected to stationary platen of clamp unit directly. This reduces the distance between center line of pull-
in ball screw and center line of injection barrel in the pull-in force close loop, avoiding the force of nozzle contacting to
the mould in the original design, thus the load condition of sled mechanism and the nozzle is greatly improved, in the
meanwhile. the mechanism structure is simplified and becomes lighter. |
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