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Oscillating bar type spring pre-resetting die mechanism

A technology of mold mechanism and rod spring, which is applied in the field of swing rod spring first reset mold mechanism, which can solve the problems of mold damage

Inactive Publication Date: 2017-04-12
牟维军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pendulum-type spring first resets the mold mechanism, which solves the problem of damage to the mold after the spring deformation fails after the spring-type first reset mechanism

Method used

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  • Oscillating bar type spring pre-resetting die mechanism
  • Oscillating bar type spring pre-resetting die mechanism
  • Oscillating bar type spring pre-resetting die mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024]As shown in the figure, the swing rod type spring first resets the mold mechanism. After the mold is opened, during the ejection process, the swing rod (21) pushes the push rod (18) to push out the threaded core (17) together with the product (16). When continuing to push out, the third guide post (6) is blocked, and the bushing (19) is used to push the projection (27) to force the swing rod (21) to swing, so that the end face of the swing rod (21) breaks away from the position of the push rod (18). State, at this moment, make push rod (18) reset under the first spring (28) effect; Like this just can pack into thread core (17). When closing the mould, because the third guide post (6) resets the ejector mechanism, during the reset process, when reset to a certain distance, the bump (27) enters the swing rod (21) under the action of the second spring (23). ) of the concave platform, while the swing rod (21) swings to the center of the mold under the promotion of the third ...

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Abstract

The invention provides an oscillating bar type spring pre-resetting die mechanism, comprising a front die and a rear die. A shell sleeve (33) of the mechanism is firmly connected with an oscillating-bar fixing plate (32); an oscillating bar (21) is movably connected with the oscillating-bar fixing plate (32) via a shaft (34); the oscillating bar (21) closely fits with a top cap (2) during die locking; a third spring (29) is arranged in the top cap (2); the top cap (2) and the third spring (29) closely fit with the inner sidewall of a sleeve (30); the sleeve (30) is firmly connected with a sleeve limiting rod (31); a bush (19) is provided with a projecting block (27); the projecting block (27) closely fits with the oscillating bar (21); a second nut (38) is arranged below the projecting block (27) and is in threaded connection with the bush (19); a second spring (22) is arranged below the second nut (38); and the second spring (22) is fixedly arranged on the small end of the oscillating bar (21).

Description

technical field [0001] The invention relates to the resetting of metal die-casting molds and plastic injection moulds, and is a swing bar type spring first resetting mold mechanism. Background technique [0002] Since the structure of the product determines that after the product is pushed out by the ejector device and the movable parts in the mold, the ejector of the mold collides with the movable parts when the mold is closed and reset, resulting in the failure to close the mold smoothly. Therefore, it is necessary to install a reset mechanism on the mold to achieve When resetting, there is no collision between the ejector device and the moving parts. At present, there are the following types of first reset mechanism in the mold manufacturing industry: ①Spring type first reset mechanism, which is a spring directly installed on the return rod. The structure of this mechanism is simple, but the spring must have sufficient elasticity. , It is easy to damage the mold. ②Ultra...

Claims

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Application Information

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IPC IPC(8): B29C45/26B29C45/40B29C45/64B22D17/22
CPCB29C45/26B22D17/22B29C45/40B29C45/64
Inventor 牟维军
Owner 牟维军
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