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Title:
MULTI-WIRE CUTTING DEVICE AND AUTOMATIC SLOT-CHANGE MECHANISM APPLIED THERETO
Document Type and Number:
WIPO Patent Application WO/2020/221133
Kind Code:
A1
Abstract:
A multi-wire cutting device and an automatic slot-change mechanism (29) applied thereto. The automatic slot-change mechanism (29) comprises: a cutting wheel (290) comprising a first wire slot and a second wire slot which are used for winding cutting wires; a slot-change drum (292) linked to the cutting wheel (290) and comprising a drum body, and a first guide rail (293) and a second guide rail (294) formed on the drum body and communicated with each other, a gap between the first guide rail (293) and the second guide rail (294) corresponding to a slot pitch between the first wire slot and the second wire slot; and a positioning element (291) relatively and slidably provided in the first guide rail (293) or the second guide rail (294) and configured to slide in the first guide rail (293) or the second guide rail (294) to drive the slot-change drum (292) to rotate when the slot-change drum (292) moves axially, so that the cutting wire on the cutting wheel (290) is switched from the first wire slot to the second wire slot.

Inventors:
PAN XUEMING (CN)
QIAN CHUNJUN (CN)
LU JIANWEI (CN)
ZHANG FENG (CN)
PEI ZHONG (CN)
Application Number:
PCT/CN2020/086749
Publication Date:
November 05, 2020
Filing Date:
April 24, 2020
Export Citation:
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Assignee:
TDG NISSIN PREC MACHINERY CO LTD (CN)
International Classes:
B28D5/04; B28D5/00
Foreign References:
CN109049369A2018-12-21
CN103009490A2013-04-03
CN109049377A2018-12-21
JP2013163256A2013-08-22
Attorney, Agent or Firm:
SHANGHAI DIANSHI PARTNERS, P.C. (CN)
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