Mold closing mechanism of mold making machine
A mold clamping mechanism and molding machine technology, which are applied in the field of mold clamping mechanisms and can solve problems such as parallelism damage, deformation of mold attachment surfaces, and damage to molding accuracy.
Inactive Publication Date: 2007-03-21
FANUC LTD
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- Application Information
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Problems solved by technology
If the stationary platen and / or the movable platen are strained, then the die attachment surface of the platen will deform, which will also cause a loss of parallelism between the stationary and movable dies, thereby compromising molding accuracy
Method used
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Embodiment Construction
[0043] Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, the same or similar components are denoted by the same reference numerals.
[0044] The basic concept of the mold clamping mechanism of the molding machine according to the present invention includes a first mode and a second mode. In the first mode, the auxiliary movable platen (referred to as the first movable platen in this application) is placed between the movable platen (referred to as the second movable platen in this application) and the movable platen connected to the driving part. between the movable molds, and provide a ball spline structure as the guide / support structure of the first movable platen; in the second mode, the first and second movable platens are engaged with each other through the connecting piece, while ensuring a certain clearance or Said mutual displacement. According to the above concept, the parallelism bet...
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A clamping mechanism of a molding machine, including a bed; a stationary platen mounted on the bed, and carrying a stationary mold; a guide bararranged fixedly relative to the stationary platen, and defining a longitudinal guiding axis; a first movable platen arranged movably relative to the stationary platen along the guiding axis, and carrying a movable mold; a support structure interposed between the guide bar and the first movable platen, and movably supporting the first movable platen on the guide bar along the guiding axis; a second movable platen separate from the first movable platen, and arranged movably relative to the stationary platen along the guiding axis; a connecting memberconnecting the first movable platen and the second movable platen to each other; and a drive section for applying a drive force to the second movable platen, to move the first movable platen and the second movable platen along the guiding axis. The support structure includes a spline engaging surface provided on the guide bar and a ball spline nut provided in the first movable platen, the ball spline nut being operatively engagable with the spline engaging surface.
Description
technical field [0001] The invention relates to a mold clamping mechanism of a mold making machine. Background technique [0002] The traditional clamping mechanism on a molding machine (such as an injection molding machine) generally includes a stationary platen and an end frame (also called an end plate), both of which are vertically mounted on the base of the molding machine; multiple (usually four) ) a connecting rod bridging between the stationary platen and the end frame; a movable platen having a plurality of through holes for receiving each connecting rod and movably positioned along the connecting rod between the stationary platen and the end frame; and A drive unit (such as a toggle unit) for driving the movable platen. A movable die is attached to the movable platen, and a stationary die is attached to the stationary platen. A driving unit including a driving source such as an electric motor or a cylinder moves the movable platen under the guidance of connecting...
Claims
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IPC IPC(8): B29C33/22B29C45/66B22D17/26B29C45/64B29C45/17
CPCB29C45/1761
Inventor 西村浩一内藤保雄
Owner FANUC LTD