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Hwa Chin Machinery Factory Co., Ltd. Patents
Assignee:
Hwa Chin Machinery Factory Co., Ltd.
Address:
Tainan Hsien, TW
No. of patents:
10
Patents:












Patent Number Title Of Patent Date Issued
7942659 Injection drive apparatus for injection molding machine May 17, 2011
An injection drive apparatus for injection molding machines is revealed. Liquid material is fed into a mold smoothly by a material feeding screw of a material feeding mechanism. Then a reaction force is generated to push the material feeding screw when the material feeding hole is nearly
7351049 Circulating lubrication oil passage structure of toggle mechanism of an injection molding machin April 1, 2008
A toggle mechanism of an injection molding machine consists of upper and lower toggle assemblies, which are pivoted to a fixed tail support at a first end, and a movable mold support of an injection molding machine at a second end; each of the toggle assemblies has two toggles pivoted
7241133 Adjustment device for a movable wall of an injection molding machine July 10, 2007
A device includes a sliding base, supporting posts, and hydraulic oil; the sliding base has cavities, an oil passage communicating with the cavities, and oil seals secured around respective cavities, and it is movable along a guide rail secured on a bed of an injection molding machin
7214050 Adjusting structure of an adjusting seat of an injection molding machine May 8, 2007
An adjusting seat of an injection molding machine has a split-flow hydraulic pump secured thereon; the split-flow hydraulic pump is equipped with several oil input/output conduit sets; several hydraulic motors are secured on the adjusting seat and connected to respective ones of the oil
7147459 Control mechanism for a rotary disk of a dual-color injection molding machine December 12, 2006
A control mechanism includes two hydraulic cylinders, a valve connected to the cylinders, and an actuating unit for the valve; racks are joined to power output rods of the cylinders, facing each other, and engaging a gear secured on a rotary disk; the valve includes a body, and a rod mad
6520766 Mold locking device for a molding machine February 18, 2003
A mold locking device for a molding machine has a toggle assembly, and a transmission member. The toggle assembly has first toggle arms pivoted to a bearing disc of the molding machine, connecting arms pivoted to a movable mold base, second arms pivoted to both the first arms and the
6364655 Arm structure for an injection molding machine April 2, 2002
An arm structure for an injecting molding machine includes a first arm, a second arm, a third arm and an oil pressure cylinder. The cylinder is positioned between a receiving disc and a movable mold base. The second arm and the third arm consist of plural pivotal plates located separatel
6345975 Arm structure for an injecting molding machine February 12, 2002
An arm structure for an injecting molding machine includes arms consisting of two pairs of two arms respectively having plural parallel pivotal plates having two ends pivotally connected with plural position plates of a receiving disc and a movable mold base. Each position plate has an o
5639491 Arrangement of oil cylinders for a plastic injecting machine June 17, 1997
An arrangement of oil cylinders of a plastic injecting machine is provided which positions a large oil cylinder and a small oil cylinder respectively on both the left and right sides of an oil cylinder base and a bearing base. The large and small oil cylinders are located at such a dista
5439369 Mold locking device for an injecting machine August 8, 1995
A mold locking device for an injection molding machine is provided. The device includes a stationary disc and a movable disc displaceable to lock a mold placed between the stationary disc and the movable disc. Four oil cylinders are provided to move the movable disc on four guide rods ba

 
 
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