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Method for moving a movable platen

A mold and splint technology, applied in the field of movable mold splint movement, can solve problems such as wear and tear of guide pins and damage

Inactive Publication Date: 2019-04-30
ENGEL AUSTRIA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the mold jaws are not aligned parallel to one another (the parallel position of the mold jaws generally corresponds to a vertical orientation of the mold jaws in space before the closing force is built up), increased wear or even damage to the at least one guide pin may occur

Method used

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  • Method for moving a movable platen
  • Method for moving a movable platen
  • Method for moving a movable platen

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0044] Overall, figure 1 and 2 corresponds to the first variant of the invention, and, Figures 3 to 5 Corresponds to the second variant of the invention. Naturally, however, mixed forms are also possible.

[0045] figure 1 Shown is a molding machine 1 , embodied here as a three-platen injection molding machine, having: a movable mold jaw 2 , a fixed mold jaw 3 , an end plate 8 and a guide beam 10 . A crank lever mechanism 9 arranged between the end plate 8 and the movable mold clamping plate 2 is provided here as a combined drive and closing force mechanism. The crank lever mechanism is controlled or regulated by a control or regulating device 4 in order to drive the movable mold clamping plate 2 . Measurements representing the movement of the movable mold clamping plate 2 (e.g. the position and / or velocity and / or acceleration of the movable mold clamping plate 2 or part of the crank lever mechanism 9, such as the crosshead) can be obtained by figure 1 A sensor 26 (dete...

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PUM

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Abstract

A method for moving a movable mold mounting plate (2) of a molding machine (1), wherein the movable mold mounting plate (2) is movable relative to a stationary mold mounting plate (3) and the mold mounting plates (2, 3) are kinematically connected to each other and wherein a drive mechanism for moving the movable mold mounting plate (2) is provided, wherein molding tool parts arranged on the moldmounting plates are brought into abutment to each other in a closed state and wherein a temporally changeable tilting movement of the mold mounting plates relative to each other occurs by the movementof the movable mold mounting plate, wherein the movable mold mounting plate (2) is moved by the drive mechanism and / or the stationary mold mounting plate (3) is moved by an injection device in such away that when reaching a predeterminable distance of the mold mounting plates (2, 3) relative to each other a parameter representing the tilting movement of the mold mounting plates relative to eachother is less than or equal to a presettable value, preferably equal to zero.

Description

technical field [0001] The invention relates (according to a first variant) to a method for moving a movable mold jaw of a forming machine with the features of the preamble of claim 1 and to a molding process with the features of the preamble of claim 9 machine. Background technique [0002] In similar molding machines, especially injection molding machines for the production of plastic parts from a plastic melt, the movable mold jaws and the fixed mold jaws are kinematically connected to each other, for example via guide beams (in so-called three-platen machines), Tension beams (in so-called double-plate machines) or frames transmitting the closing force (in so-called beamless machines) are connected to each other. During the movement of the movable tool jaws, the forces occurring during acceleration and braking thus cause the tool jaws to tilt relative to each other. This tipping is mainly due to the tipping motion performed by the stationary mold jaws. [0003] EP 3 06...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/56B29C45/67
CPCB29C45/561B29C45/67B29C2045/1788B29C45/661B29C45/76B29C2945/76093B29C2945/76227B29C2945/76387B29C2945/76578B29C2945/76866B29C45/64B29C2945/76705B29C45/7653B29C45/80B29C2945/76581B29C2945/76595
Inventor F·J·基利安F·佩恩科普夫S·埃皮希
Owner ENGEL AUSTRIA