Replaceable thimble subassembly for injection molding machine

• Main Author: HU SHUIJUN
• Format: Patent
• Language: Chinese; English
• Published: 30.05.2012
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model provides a replaceable thimble subassembly for an injection molding machine, comprising a thimble plate and a plurality of thimbles which are arranged between the thimble plate and a mould cavity; the replaceable thimble subassembly further comprises a plurality of push rods, wherein one ends of the plurality of the thimbles are fixedly installed on the thimble plate and the other ends of the plurality of the thimbles are externally provided with springs and stretch into the mould cavity; and one ends of the plurality of the push rods are clamped at one side of the mould cavity and the other ends of the plurality of the push rods penetrate through the mould cavity to stretch outwards and be locked on the thimble plate. According to the utility model, the thimbles can be freely detached and installed conveniently and rapidly; the thimbles can be guided by the push rods so that the material ejection effect is excellent; meanwhile, the springs are additionally arranged on the thimbles so that t