Mould clamping mechanism of extrusion blow molding machine
A mold clamping mechanism and molding machine technology, which is applied in the field of extrusion blow molding machines, can solve the problems of high processing precision of parts, difficult adjustment, easy wear of guide posts and guide sleeves, etc.
Active Publication Date: 2012-09-05
HANGZHOU ZHONGYA MACHINERY CO LTD
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Problems solved by technology
The extrusion blow molding machine with this structure has high requirements on the processing precision of the parts, and it is not easy to adjust during assembly.
In the process of mold opening and closing, because the front and rear templates are fixed, there is often a very uneven gap between the guide posts and guide sleeves of the mold, resulting in easy wear of the guide posts and guide sleeves
And after the mold is closed, the force on the entire parting surface cannot be consistent
Method used
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[0006] Refer to attached picture. The embodiment provided by the present invention includes rear template 1, front template 2, connecting seat 3, coupling shaft 5, front clamping arm 7, adjusting bolt 6, compression spring 8, limit bolt 4, pull rod 9, front clamping arm 7 is connected with the pull rod 9, and the pull rod 9 passes through the guide sleeve of the rear formwork and is connected with the rear clamping arm 11. The reference numeral 10 is a support rod below the pull rod 9, and the front clamping arm 7 and the rear clamping arm 11 are also connected to the support rod 10 at the same time.
[0007] Such as figure 1 As shown, the front template 2 refers to a template closer to the outside of the extrusion blow molding machine than the rear template 1 .
[0008] The front template 2 is fixed on the front mold clamping arm 7 through the connecting seat 3 and the coupling shaft 5, the front template 2 can swing with the coupling shaft 5 as the center of rotation, and ...
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The invention provides a mould clamping mechanism of an extrusion blow molding machine, which comprises a front template, a rear template, a front mould clamping arm, a rear mould clamping arm, a pull rod and a connecting seat of the front template, wherein the connecting seat is installed on the front mould clamping arm; the front template is articulated on the connecting seat by taking a horizontal direction as a rotating axis; an elastic mechanism for acting on the front template is arranged at one side of a rotating axle of the mould clamping mechanism; the applied moment of the elastic mechanism to the front template is reverse to that of the gravity to the front template; and a swing limiting mechanism of the front template is arranged at the other side of the rotating axle of the mould clamping mechanism. Due to the adoption of the technical solution, the front template can take the rotating axle as a rotary center to swing; and during the mould clamping process, the front template can automatically swing to the position at which is parallel to the rear template, thus effectively ensuring the parallelism requirements of mould parting surfaces, and leading the adjustment of the front template to become simple and easy.
Description
technical field [0001] The invention relates to the field of extrusion blow molding machines. Background technique [0002] In the current extrusion blow molding machine, the front and rear templates are generally fixed on the clamping shaft, and the parallelism of the front and rear templates is completely guaranteed by the machining accuracy. After the assembly is completed, the front template and the rear template are both fixed. The extrusion blow molding machine with this structure has high requirements on the processing precision of the parts, and it is not easy to adjust during assembly. In the process of mold opening and closing, because the front and rear templates are fixed, there is often a very uneven gap between the guide post and guide sleeve of the mold, which makes the guide post and guide sleeve easy to wear. And after the mold is closed, the force on the entire parting surface cannot be consistent. The previous solution was to pad gaskets on the back of t...
Claims
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IPC IPC(8): B29C49/56
Inventor 史正康益荣厉大洪刘虎林
Owner HANGZHOU ZHONGYA MACHINERY CO LTD