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我厂有一个小规模的铸造班组,以生产解放牌CA10汽车变速箱壳、盖铸件为主,生产条件很差,设备简陋,工艺落后,工人的劳动强度大,模具损耗严重,产品的废品率达30％～40％,经济效益很低。82年,根据我厂的实际情况,我们自制了一种手工翻台式起模机构,其结构如图所示。造型(制芯)机的主体由底座(1),立柱(2),升降机构(10),翻转台(7)等构成。搬动升降手柄(4)时,为了省力,利用杠杆原理,使升降手柄的力臂大于升降筒的力臂,并在升降转轴(9)的两端配有平衡铁(3)。为了使升降
I plant a small-scale casting team to produce the liberation of the CA10 car transmission shell, cover the main castings, poor production conditions, poor equipment, backward technology, workers labor-intensive, serious loss of mold, product rejection rate Up to 30% ~ 40%, low economic benefits. 82 years, according to the actual situation in our factory, we made a hand-over table-type lifting mechanism, the structure shown in Figure. The main body of the molding machine is composed of a base (1), a column (2), a lifting mechanism (10), a turnover platform (7) and the like. To move the lifting handle (4), in order to save energy, lever principle is used to make the arm of the lifting handle bigger than the arm of the lifting cylinder, and the balance iron (3) is equipped on both ends of the lifting shaft (9). In order to make the lift