Opening and closing mechanism of bottle blowing die
A technology of opening and closing mechanism and mold, applied in the field of mold opening and closing mechanism, can solve the problems of large space, occupation, etc., and achieve the effect of solving the need to occupy large space
Inactive Publication Date: 2020-04-21
CHUM POWER MASCH CORP
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Problems solved by technology
[0005] The purpose of the present invention is to provide an opening and closing mechanism for bottle blowing moulds, so as to solve the disadvantage that the existing mold opening and closing mechanisms need to occupy a relatively large space
Method used
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[0033] see figure 1 , 2 , the figure shows that an opening and closing mechanism includes a first fixed mold base 10 and a second fixed mold base 12 . The first fixed mold base 10 and the second fixed mold base 12 are installed on a base 14 , and the second fixed mold base 12 is opposite to the first fixed mold base 10 .
[0034] A first movable mold base 16 and a second movable mold base 18 are movably mounted on the base 14 and located between the first fixed mold base 10 and the second fixed mold base 12 . Further, the first movable mold base 16 is located on one side of the first fixed mold base 10 and is connected to a first mold 20; the second movable mold base 18 is located on one side of the second fixed mold base 12 and opposite to the first The movable mold base 16, and the second movable mold base 18 is connected with a second mold 22. The second mold 22 is opposite to the first mold 20 .
[0035] A first resisting device 30 is arranged between the first fixed m...
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The invention discloses an opening and closing mechanism of a bottle blowing die. The opening and closing mechanism comprises a first fixed die seat, a second fixed die seat, a first movable die seat,a second movable die seat, a first leaning device, a second leaning device and a cam driving system, wherein the first fixed die seat is opposite to the second fixed die seat; the first movable die seat and the second movable die seat are combined with dies separately, and the two movable die seats are located between the two fixed die seats; the first leaning device is configured between the first fixed die seat and the first movable die seat; the second leaning device is configured between the second fixed die seat and the second movable die seat; the cam driving system is connected to thefirst leaning device, the first movable die seat, the second leaning device and the second movable die seat; and the cam driving system is used for driving the first leaning device and the second leaning device to generate displacement and driving the first movable die seat and the second movable die seat to generate displacement, so that a first die and a second die are closed and opened relatively. Therefore, a rotary moving mode is matched with a proper cam curvature change, so that the opening and closing mechanism has functions of simplified structure and relatively small occupied space.
Description
technical field [0001] The invention relates to a mold opening and closing mechanism, in particular to a mold opening and closing mechanism applied to a bottle blowing machine. Background technique [0002] The production of PE bottles is to place the preform in a predetermined mold, and introduce gas into the preform to expand the preform. The mold can then be opened to remove the formed bottle. Since the process of making the bottle requires the opening and closing of the mold, an appropriate opening and closing mechanism is required. [0003] The traditional mold opening and closing mechanism can adopt a link mechanism, such as the link type mold opening and closing device disclosed in Taiwan, China M402189, and the mold opening and closing device of the blow molding machine disclosed in No. M381514. However, using a link mechanism as a mechanism for opening and closing the mold has the disadvantages of taking up a lot of space and having a complicated structure. [00...
Claims
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IPC IPC(8): B29C49/56
CPCB29C49/56
Inventor 杨文镛谢树林罗致中赖柏丞张凯翔
Owner CHUM POWER MASCH CORP