Abstract:
An adjustable exterior support and guide arrangement for the movable die carrier member of an injection molding machine consisting of two laterally spaced guide rails on the machine base with horizontally and vertically oriented runways engaged by correspondingly oriented vertical and horizontal recirculating roller tracks of a pair of guide bogies. Each guide bogie is adjustably, but not rigidly, connected to an inclined strut of the movable die carrier member and longitudinally entrained by means of a key pin of the inclined strut.
Abstract:
A molding machine for die casting, injection molding, and other similar processes, comprises a base shaped to support thereon a two-part die, and a ram for converging and diverging the die halves between open and closed positions. A pair of clamping frames are pivotally mounted on one end of the base, and include a closed border shaped to surround or receive therein side portions of the die halves. The clamping frames are laterally pivoted between a fanned-apart or open position wherein the die can be freely lifted off of the base, and a folded or closed position wherein the frame borders surround the die side portions and capture the same between the ends of the frames. In the closed position, retractable compression columns extend between the die and one end of the frames to positively lock the die halves in the closed position, whereby die separation forces developed during injection of the die are resisted substantially solely by the clamping frames.
Abstract:
An injection molding installation includes a box-like mounting base 1 on which are disposed a molding press 2 and a pressure injection apparatus 3. The press 2 includes fixed opposite end plates 4 and 7 mounted directly on the base 1 and an intermediate movable plate 5 slidably bearing on the base via an adaptor wedge A. The injection apparatus includes a motor driven rotary screw conveyor 18 and a plastics material feed funnel 19, and is removably mounted on the base 1 via an interchangeable support rail 22 clamped by internal cross bars 25 to the base or to intermediate spacer inserts 26 mounted thereon. The use of the adaptor wedge and interchangeable support rails enables the accommodation and mounting of molding presses and injection apparatuses having different sizes and configurations on a common and thus standardized mounting base.
Abstract:
A press for molding plastic materials wherein a stationary head and a movable head, arranged for receiving the two parts of a mold, are mounted on a base in which is installed a horizontal longitudinal member having pivoted at its ends vertical rocker levers. The upper ends of the rocker levers are connected to the stationary head and to the movable head respectively, and the lower ends thereof are connected to the ends of a hydraulic piston-cylinder assembly, which, thereby, applies to the heads a clamping force adequate to join the parts of the mold during the molding operation, without loading the base of the machine.
Abstract:
In a mould-closing unit (F) for an injection-moulding machine for processing plastics, at least one mould carrier (10), which can be moved in a longitudinal direction (L-L) of the mould-closing unit (F), is arranged on a machine base (14) and between itself and a further mould carrier (12) forms a mould-clamping space (C), in which parts of at least one cyclically openable and closable injection mould (M) can be received. At least one linear guide (16), arranged in the longitudinal direction (L-L) on the machine base (14), serves for guiding the at least one movable mould carrier (10) when there is movement in the longitudinal direction (L-L). The mould carrier is supported on the machine base (14) and/or the at least one linear guide (16) by way of a load take-up (18), which has above the at least one linear guide (16) an articulating region (20) for the at least one movable mould carrier (10), which region is connected to the movable mould carrier with a force fit or material bonding and the stiffness of which is greater in the longitudinal direction (L-L) than in a direction transverse to the longitudinal direction (L-L). The forces acting on the guide of the movable mould carrier during the operation of the injection-moulding machine are minimized by the load take-up (18) and/or the articulating region (20) being elliptical in cross section, with the minor axis of the ellipse extending in a direction transverse to the longitudinal direction (L-L) of the mould-closing unit (F).
Abstract:
A system for forming injection molded articles includes a turret, a first mold unit, and a second mold unit. In an embodiment, the turret includes a plurality of core plates and each core plate includes a plurality of core pins. The first mold unit may be configured to form an inner injection molded layer, and the second mold unit may be configured to form an outer injection molded layer over the inner injection molded layer. In an embodiment, the first mold unit and the second mold unit are configured to mold at the same time, and to provide opposing clamping forces. Processes involving over-molded articles are also disclosed.
Abstract:
An injection molding machine includes a sub injection device configured to inject molten resin into a mold of a clamping device along a direction perpendicular to an opening/closing direction of the mold, a sub machine base configured to support the sub injection device, and a coupling unit provided on a main machine base configured to support a main injection device and the clamping device and couple the main machine base and the sub machine base together. The coupling unit includes a base provided on the main machine base, two fixed blocks fixed to the base, a guide bar bridged in parallel to the opening/closing direction of the mold by the two fixed blocks, and a movable block slidably fitted onto the guide bar. The movable block is connected to the sub machine base.
Abstract:
The present invention provides a movable platen support apparatus which, with a linear guide having a minimum necessary load rating, can secure a sufficient traveling life of the linear guide and, in addition, can secure the rigidity of the linear guide which is necessary and sufficient taking into consideration a moment that acts on a movable platen. A movable platen support apparatus 40 according to the present invention includes a guide mechanism which movably engages a rail 41 extending on a frame 11 in the direction of movement of a movable platen 16, to which a movable mold 19 is to be mounted, and which movably supports the movable platen 16. The guide mechanism includes a linear guide 42 composed of blocks 42a to 42d arranged in a line, in which at least one of the blocks 42a to 42d, e.g. the blocks 42b, 42c, has a load rating which differs from the load rating(s) of the other block(s), e.g. the blocks 42a, 42d.
Abstract:
An injection molding system including a robot includes an injection molding device, and the robot is fixed in a machine housing of the injection molding device, and motion range of the robot includes interior region of the machine housing.
Abstract:
A mold clamping apparatus includes a mold clamping cylinder. The mold clamping cylinder has, in a region thereof located below left and right lower tie bars and above left and right sliders, a left grooved portion opened leftward and elongated horizontally, a right grooved portion opened rightward and elongated horizontally, and a leg portion formed between the left and right grooved portions. The leg portion and the left and right grooved portions together form a constricted part.