Title:
BOTTOM DIE OF BOTTLE BLOWING MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/047165
Kind Code:
A1
Abstract:
A bottom die of a bottle blowing machine is disclosed. Two male connectors on a quick-change base body and female connectors on the specific bottom die locking mechanism can be quickly disassembled and assembled, greatly facilitating the quick change of the bottom die; a bottom core seat is provided with a water inlet hole and a water outlet hole, and the water inlet hole and the water outlet hole are respectively in communication with the corresponding male connectors on the quick-change base body by means of pipelines; and as the male connectors are butted with the female connectors on the bottom die locking mechanism, and water pipe connectors are connected to the female connectors on the bottom die locking mechanism, cooling water can flow from the bottom die locking mechanism into the space between the bottom surface of a bottom core and the upper surface of the bottom core seat to cool the bottom of a blown preform, and the used water flows back to another female connector of the bottom die locking mechanism and then flows out. By means of the connection of the male and female connectors and the arrangement of the pipelines, the water pipe connectors are led to the bottom die locking mechanism, and the bottom die locking mechanism does not need to be replaced frequently, thereby avoiding the operation of reconnecting the water pipe connectors when replacing the bottom die, and facilitating the quick change of the bottom die.
Inventors:
WU ZHIGANG (CN)
HUANG XIAOLIN (CN)
DENG WENZHOU (CN)
HUANG XIAOLIN (CN)
DENG WENZHOU (CN)
Application Number:
PCT/CN2020/081549
Publication Date:
March 18, 2021
Filing Date:
March 27, 2020
Export Citation:
Assignee:
GUANGZHOU TECH LONG PACKAGING MACHINERY CO LTD (CN)
International Classes:
B29C49/48
Domestic Patent References:
| WO2008050890A1 | 2008-05-02 |
Foreign References:
| CN110744803A | 2020-02-04 | |||
| CN109808153A | 2019-05-28 | |||
| CN103029286A | 2013-04-10 | |||
| CN103407147A | 2013-11-27 | |||
| CN107471611A | 2017-12-15 |
Attorney, Agent or Firm:
GUANGZHOU WISON I.P. LAW FIRM (CN)
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