CN204608358U - 电脑花样缝纫机旋梭切线机构 - Google Patents

电脑花样缝纫机旋梭切线机构 Download PDF

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CN204608358U
CN204608358U CN201520023782.0U CN201520023782U CN204608358U CN 204608358 U CN204608358 U CN 204608358U CN 201520023782 U CN201520023782 U CN 201520023782U CN 204608358 U CN204608358 U CN 204608358U
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movable blade
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王漫江
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Anhui Jieyu Shoemaking Machinery Technology Co ltd
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DONGGUAN MINGLING INDUSTRY AUTOMATION TECHNOLOGY Co Ltd
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Abstract

本实用新型涉及缝纫机技术领域,尤其是涉及电脑花样缝纫机旋梭切线机构,包括有梭床,梭床上方设有配合切线的固定刀和活动刀,活动刀按可张合形态组设在一连杆的一端上,连杆的另一端连接一摆动杆,摆动杆由可伸缩的驱动轴驱动,驱动轴穿设一驱动块后连接电磁铁;驱动块上设有外凸的滚珠,滚珠与切线凸轮接触,藉此电磁铁通电时将驱动轴拉回,活动刀随即打开,而滚珠内缩时将驱动轴推顶伸出,活动刀又收回与固定刀配合切线并夹持底线。本实用新型结构简单,科学合理,通过连杆、摆动杆及驱动轴联动,实现活动刀与固定刀配合切线并夹持底线,达到切线时,还能将底线夹住,方便起针上线,提升缝纫机工作效率和质量,省时省事。

Description

电脑花样缝纫机旋梭切线机构
技术领域
本实用新型涉及缝纫机技术领域,尤其是涉及电脑花样缝纫机旋梭切线机构。
背景技术
电脑花样缝纫机旋梭切线机构,切线后底线是松脱的,导致发生缝纫机起针不上线等问题,影响生产,误工误事,造成资源浪费,生产成本升高;且现有的电脑花样缝纫机旋梭切线机构,主要是通过气缸驱动切线,结构相对复杂,制作成本高,且工作不稳定;因而需要进一步改善。
发明内容
本实用新型的目的在于克服现有技术的缺陷,提供一种结构简单,工作稳定,且切线后能将底线夹住,方便起针上线的电脑花样缝纫机旋梭切线机构。
为达到上述目的,本实用新型采用如下技术方案:
电脑花样缝纫机旋梭切线机构,包括有梭床,梭床上方设有配合切线的固定刀和活动刀,活动刀按可张合形态组设在一连杆的一端上,连杆的另一端连接一摆动杆,摆动杆由可伸缩的驱动轴驱动,驱动轴穿设一驱动块后连接电磁铁;驱动块上设有外凸的滚珠,滚珠与切线凸轮接触,藉此电磁铁通电时将驱动轴拉回,活动刀随即打开,而滚珠内缩时将驱动轴推顶伸出,活动刀又收回与固定刀配合切线并夹持底线。
与现有技术对比,本实用新型结构简单,科学合理,通过连杆、摆动杆及驱动轴联动,实现活动刀与固定刀配合切线并夹持底线,达到切线时,还能将底线夹住,方便起针上线,提升缝纫机工作效率和质量,省时省事。驱动轴由电磁铁通电拉回,及由滚珠与切线凸轮推出,动作稳定,投资成本低,极大的提升电脑花样缝纫机的运行率和可操作性,符合产业利用。
附图说明:
附图1为本实用新型较佳实施例结构示意图;
附图2为图1实施例的局部结构放大示意图。
具体实施方式:
以下将结合附图对本实用新型的构思、具体结构及产生的技术效果作进一步说明,以充分地了解本实用新型的目的、特征和效果。
参阅图1、2所示,系为本实用新型的较佳实施例示意图,本实用新型有关一种电脑花样缝纫机旋梭切线机构,包括有梭床1,组设在机座上,在梭床1上方设有配合切线的固定刀2和活动刀3,活动刀3按可张合形态组设在一连杆4的一端上,连杆4的另一端连接一摆动杆5,摆动杆5由可伸缩的驱动轴6驱动,驱动轴6穿设一驱动块7后连接电磁铁8;驱动块7上设有外凸的滚珠71,滚珠71与切线凸轮9接触,藉此电磁铁8通电时将驱动轴6拉回,活动刀3随即打开,而滚珠71内缩时将驱动轴6推顶伸出,活动刀3又收回与固定刀2配合切线并夹持底线。
具体切线时,系统给电磁铁8通电,电磁铁8得电产生磁力将驱动轴6缩回,驱动轴6将摆动杆5拉开偏离活动刀3的一侧,通过连杆4将活动刀3拉出,即活动刀3打开。活动刀3打开的瞬间将线卡入活动刀的切线槽内,此时,组装在下轴上的切线凸轮9转动,利用凸轮曲面将滚珠71压回驱动块7,滚珠71通过斜面推顶等方式将驱动轴6推顶伸出,摆动杆5和连杆4复位,活动刀3收回,配合固定刀2将线切断,完成切线。活动刀3收回后停留,此时将底线和面线卡在固定刀2下,面线由拨线器拨出,底线夹在固定刀2下,完成底线夹持,利于缝纫机下次起针上线。
当然,以上结合实施方式对本实用新型做了详细说明,只为说明本实用新型的技术构思及特点,其目的在于让熟悉此项技术的人了解本实用新型的内容并加以实施,并不能以此限定本实用新型的保护范围,凡根据本实用新型精神实质所做的等效变化或修饰,都应涵盖在本实用新型的保护范围内。

Claims (1)

1.电脑花样缝纫机旋梭切线机构,包括有梭床(1),其特征在于:梭床(1)上方设有配合切线的固定刀(2)和活动刀(3),活动刀(3)按可张合形态组设在一连杆(4)的一端上,连杆(4)的另一端连接一摆动杆(5),摆动杆(5)由可伸缩的驱动轴(6)驱动,驱动轴(6)穿设一驱动块(7)后连接电磁铁(8);驱动块(7)上设有外凸的滚珠(71),滚珠(71)与切线凸轮(9)接触,连此电磁铁(8)通电时将驱动轴(6)拉回,活动刀(3)随即打开,而滚珠(71)内缩时将驱动轴(6)推顶伸出,活动刀(3)又收回与固定刀(2)配合切线并夹持底线。
CN201520023782.0U 2015-01-14 2015-01-14 电脑花样缝纫机旋梭切线机构 Active CN204608358U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112680891A (zh) * 2020-12-21 2021-04-20 浙江美机缝纫机有限公司 一种缝纫机的防起针不上线装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112680891A (zh) * 2020-12-21 2021-04-20 浙江美机缝纫机有限公司 一种缝纫机的防起针不上线装置
CN112680891B (zh) * 2020-12-21 2022-06-10 浙江美机缝纫机有限公司 一种缝纫机的防起针不上线装置

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