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Automatic screw releasing device and injection mold comprising the same

A de-threading and automatic technology is applied in the field of an automatic de-threading device and an injection mold having the automatic de-threading device. The effect of uniform force and high balance of the mold

Active Publication Date: 2015-06-10
ZHUHAI GREE DAIKIN PRECISION MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its defect is that the size of the mold base is too large due to the insufficient compact structure caused by the long rack, thereby increasing the manufacturing cost of the mold

Method used

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  • Automatic screw releasing device and injection mold comprising the same
  • Automatic screw releasing device and injection mold comprising the same

Examples

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Embodiment Construction

[0024] The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0025] In one embodiment of the present invention, an automatic thread removal device is provided, see figure 1 with figure 2 , the automatic thread removal device includes a power source, a first transmission mechanism, a driving shaft 5, a second transmission mechanism and a driven shaft 8, wherein the driven shaft 8 includes a first driven shaft 81, a second driven shaft 82a and a square Key 83, the upper end of the second driven shaft 82a is provided with a threaded mold cavity 82a (also can be a threaded core), preferably, the outer casing of the mold cavity 82a of the second driven shaft 82a has a good heat transfer The beryllium copper ring 9 is used to quickly dissipate the heat on the cavity 82a part. ...

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PUM

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Abstract

The invention discloses an automatic screw releasing device and an injection mold comprising the same. The screw releasing device comprises a power source, a first transmission mechanism, a driving shaft, a second transmission mechanism and a driven shaft. The driven shaft comprises a first driven shaft, a second driven shaft and a connecting piece; the upper end of the second driven shaft is provided with a mold core or mold cavity with screw thread; the lower end of the second driven shaft is connected with the upper end of the first driven shaft by the connecting piece; the second driven shaft rotates synchronously with the first driven shaft, and can move axially relative to the first driven shaft; the first driven shaft is connected to the driving shaft through the second transmission mechanism; and the driving shaft is connected with the power source through the first transmission mechanism. The automatic screw releasing device provided by the invention has high production efficiency and more compact structure, thereby reducing manufacturing cost of the mold.

Description

technical field [0001] The invention relates to parts of injection molds, in particular to an automatic thread removal device and an injection mold with the automatic thread removal device. Background technique [0002] At present, for injection molding molds with threaded plastic products, the commonly used thread removal methods mainly include the following: [0003] 1. Manual thread removal method. After demoulding, manually remove the insert to achieve the effect of demoulding. The efficiency of this production method is very low; [0004] 2. Automatic thread removal method, that is, the hydraulic motor drives the long rack to move back and forth, so that the gear meshing with the rack rotates, thereby driving the threaded insert to rotate and eject the plastic product. The disadvantage is that the size of the mold base is too large due to the insufficient compact structure caused by the long rack, thereby increasing the manufacturing cost of the mold. Contents of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/40B29C45/26B29L1/00
Inventor 禹琰李检杨榕华温贤春
Owner ZHUHAI GREE DAIKIN PRECISION MOLD
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