WO2021208319A1 - Dispositif de prévention de bouclettes à soufflage d'air et procédé d'utilisation - Google Patents

Dispositif de prévention de bouclettes à soufflage d'air et procédé d'utilisation Download PDF

Info

Publication number
WO2021208319A1
WO2021208319A1 PCT/CN2020/111356 CN2020111356W WO2021208319A1 WO 2021208319 A1 WO2021208319 A1 WO 2021208319A1 CN 2020111356 W CN2020111356 W CN 2020111356W WO 2021208319 A1 WO2021208319 A1 WO 2021208319A1
Authority
WO
WIPO (PCT)
Prior art keywords
blowing
air
thread
driver
wire
Prior art date
Application number
PCT/CN2020/111356
Other languages
English (en)
Chinese (zh)
Inventor
朱义潜
Original Assignee
浙江沪龙科技股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 浙江沪龙科技股份有限公司 filed Critical 浙江沪龙科技股份有限公司
Publication of WO2021208319A1 publication Critical patent/WO2021208319A1/fr

Links

Images

Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B65/00—Devices for severing the needle or lower thread
    • D05B65/06—Devices for severing the needle or lower thread and for disposing of the severed thread end ; Catching or wiping devices for the severed thread
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B65/00—Devices for severing the needle or lower thread
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/08—Fluid drives, e.g. pneumatic

Definitions

  • the invention belongs to the technical field of sewing equipment, and particularly refers to an air-blowing anti-bird's nest device and a method of use.
  • the current cleaning method of thread produced by the anti-bird's nest structure is mainly by suction.
  • the suction structure includes a pneumatic suction structure and an electric suction structure.
  • the pneumatic suction structure sucks the thread into a special collection bucket through the negative pressure generated by the air pump.
  • this structure requires an air pump and an air valve, and the cost is high.
  • the electric suction structure uses a high-speed motor to vacuum to generate negative pressure and suck the thread into a special collection bucket.
  • this structure needs to be equipped with an electric suction bucket, which has high cost, high noise, high energy consumption, and easy clogging. Problems such as fever.
  • the purpose of the present invention is to provide a low-cost air-blowing anti-bird's nest device and a method of use that do not need to be equipped with an air source and an electric suction bucket.
  • the present invention is realized as follows:
  • One of the objects of the present invention is to provide an air-blowing type bird's nest preventing device, which includes a first driver, a second driver, a wire hook, a wire pressing piece, and a blowing tube.
  • the first driver is connected to the wire hook to drive the wire hook.
  • the thread hooking and the thread clamp are matched with the thread pressing sheet for thread clamping
  • the blowing pipe is provided with a thread hooking hole
  • the first driver is connected with the second driver
  • the second driver can drive the first driver to move the clamped upper thread
  • the blowing pipe is provided with more than one blowing source, and the blowing source blows into the blowing pipe, and the blowing pipe forms a channel through which the upper thread head is blown out.
  • a first air duct, an air duct hub, a second air duct, and a third air duct are formed in the air-blowing pipe, and two air-blowing sources are provided.
  • the first blowing source and the second blowing source the first blowing source is connected to the first air duct, the hooking hole is arranged on the air duct hub, and the fourth air duct
  • the fourth air channel is connected to the inner cavity of the air channel hub, and the second blowing source is connected to the fourth air channel.
  • the second air duct is a bend, and the outlet end of the fourth air duct faces downward.
  • the angle between the axis of the fourth air duct and the airflow direction is an acute angle.
  • the included angle between the axis of the hooking hole and the airflow direction is an acute angle.
  • the air-blowing source is a fan, a blower, or an air pump.
  • the first driver includes a first drive shaft, the first drive shaft is connected with one end of the rotating arm, and the other end of the rotating arm is hinged with one end of the connecting rod one,
  • the first connecting rod is arranged on the first guide rail, and the other end of the first connecting rod is connected with the wire hook.
  • the second driver includes a second drive shaft, the second drive shaft is connected to one end of the second connecting rod, and the second driving shaft drives the second connecting rod to rotate.
  • the other end of the first driver is provided with a strip hole, the first driver is provided with a connecting part, the connecting part is movably connected in the strip hole, and the first drive shaft of the first driver passes through the strip hole and is connected to the rotating arm.
  • the first driver is arranged on the second guide rail.
  • the wire pressing piece is located below the wire hook, one end of the wire pressing piece is fixed on the first guide rail and the other end is suspended in the air, the wire hook and the wire pressing piece When the thread is clamped, it is surface-to-surface contact.
  • Another object of the present invention is to provide a method for using the air-blowing anti-bird's nest device, which includes the following steps:
  • the controller controls the action of the first driver.
  • the first drive shaft of the first driver drives the thread hook to extend below the needle and lower the eye of the needle. The end of the upper thread is hooked;
  • the controller controls the first drive shaft to rotate in the reverse direction, and drives the wire hook to reset until it cooperates with the crimping piece to clamp the hooked wire end;
  • the controller controls the machine to start, and the needle starts sewing.
  • the thread end sewn on the sewing material hits the thread cutter on the presser foot, the thread end is cut, and the thread end is left in the thread hook and pressed. Between the wire boards;
  • the controller controls the action of the second drive shaft of the second driver, and the second drive shaft drives the first driver, the wire hook, and the wire pressing piece to move along the second guide rail, so that the thread end is located in the wire hook hole;
  • the controller controls the first blowing source to blow air, and the controller controls the first drive shaft (13) of the first driver to actuate the thread hook, so that the thread clamped between the thread hook and the pressure piece is first
  • the blowing source blows into the second air duct;
  • the controller timely controls the second blowing source to blow into the fourth air duct, and the thread ends are blown out and collected from the second and third air ducts.
  • the present invention has the following outstanding advantages:
  • the present invention uses air blowing to blow away the thread ends from the air blowing pipe for cleaning, which is convenient for maintenance at ordinary times;
  • the present invention avoids the dependence on the air source, and has the advantages of low cost, low noise and low energy consumption compared with the electric suction structure;
  • the wire hook assembly of the present invention can be retracted as a whole, and can be retracted upward when it is not in use to increase the operating space.
  • Figure 1 is a schematic diagram of the present invention
  • FIG. 2 is a diagram of the state of use of the present invention.
  • Fig. 3 is a schematic diagram of a second air channel and a fourth air channel connected to the air channel hub of the present invention.
  • An air-blowing type bird's nest preventing device comprising a first driver 1, a second driver 2, a wire hook 3, a wire pressing piece 4, and a blowing tube.
  • the first driver 1 and the wire hook 3 are connected to drive the wire hook 3 to move and hook
  • the wire and the wire pressing piece 4 cooperate to realize the wire clamping, and the connection between the first driver 1 and the wire hook 3 is direct connection or indirect connection.
  • the first driver 1 drives the thread hook 3 to move toward the needle 5 to the lower part of the needle 5 to hook the upper thread, and the first driver 1 drives the thread hook 3 to move away from the needle 5 to a position that is matched with the thread press 4, and
  • the thread 4 performs thread clamping.
  • a wire hooking hole 6 is provided on the blowing pipe, and the outer ends of the wire hook 3 and the wire pressing piece 4 can penetrate the wire hooking hole 6.
  • the first driver 1 and the second driver 2 are connected, and the connection between the first driver 1 and the second driver 2 is a direct or indirect connection.
  • the second driver 2 can drive the first driver 1, the thread hook 3, and the thread pressing piece 4 to move the clamped upper thread into the thread hooking hole 6.
  • the blowing pipe is connected with more than one blowing source for blowing The source blows into the blowing tube, and the blowing tube forms a channel through which the needle thread head is blown out.
  • the first driver 1 may be an air cylinder, a linear motor, or the like.
  • the first driver 1 and the second driver 2 of the present invention all use motors, preferably stepping motors.
  • a first air duct 7, an air duct hub 8, a second air duct 22, and a third air duct 9 are formed in the air blowing pipe, and there are two air blowing sources, each of which is a first air blowing source 10.
  • the second air blowing source 11, the first air blowing source 10, the second air blowing source 11 of the present invention can be a fan, a blower or an air pump and other components that can generate air pressure difference to form an air flow. In this embodiment, a fan is preferred.
  • the first blowing source 10 is connected to the first air duct 7, and the hooking hole 6 is provided on the air duct hub 8.
  • a fourth air duct 12 is also provided on the air duct hub 8, and the fourth air duct 12 is The cavity is communicated with the inner cavity of the air duct hub 8, and a second blowing source 11 is provided on the fourth air duct 12.
  • the second air duct 22 is a bend, and the outlet end of the fourth air duct 9 is set downward, and the outlet end is set downward to facilitate the collection of thread ends.
  • the angle between the axis of the fourth air duct 12 and the airflow direction is an acute angle.
  • the included angle between the axis of the thread hooking hole 6 and the airflow direction is an acute angle.
  • the direction indicated by the arrow in Figure 3 is the airflow direction.
  • the power of the second blowing source 11 is greater than the power of the first blowing source 10.
  • the first blowing source 10 plays the role of blowing off the thread, the second blowing source 11 blows away the accumulated thread in the blowing pipe by high wind pressure, and the action of the second blowing source 11 is controlled by the controller in time.
  • the first driver 1 includes a first drive shaft 13, the first drive shaft 13 is connected to one end of the rotating arm 14, and the other end of the rotating arm 14 is hingedly connected to one end of the connecting rod 15.
  • the connecting rod 15 is arranged on the first guide rail 16, and the other end of the connecting rod 15 is connected with the wire hook 3.
  • the wire hook 3 of this embodiment is driven by the first driver 1 for linear reciprocating motion.
  • the wire hook 3 has a strip-shaped sheet structure, and includes a main body, a mounting part at one end of the main body, and a hook part at the other end. The mounting part is used to connect with the connecting rod-15.
  • the wire pressing piece 4 is located below the wire hook 3, one end of the wire pressing piece 4 is fixed on the first guide rail 16, and the other end is suspended, and the wire hook 3 and the wire pressing piece 4 are in surface contact when the wire is clamped. ,
  • the thread clamping is firm, which can ensure the reliability of the thread cutting of the presser foot blade.
  • the first driver 1 of the present invention can also be connected to the wire hook 3 by means of a rack and pinion.
  • the second driver 2 of the present invention includes a second drive shaft 17, which is connected to one end of the second connecting rod 18.
  • the second drive shaft 17 drives the second connecting rod 18 to rotate, and is arranged at the other end of the second connecting rod 18.
  • the strip-shaped hole 19 is connected to the rotating arm 14, and the first driver 1 is arranged on the second guide rail 20.
  • the drive shaft 17 of the second driver 2 rotates to drive the connecting rod 18 to rotate.
  • the first driver 2 converts the rotation into linear motion under the action of the second guide rail 20, the strip hole 19, and the connecting part, and then drives the second driver 2 Move along the second guide 20 track.
  • the first blowing source 10 and the second blowing source 11 of the present invention are fixed on the second guide rail 20.
  • the second guide rail 20 is installed on the rear side of the cabinet 21 through a mounting bracket.
  • the action of the second driver 2 can be retracted upward when the tool hook and clamp wire assembly (including the first driver 1, the wire hook 3, the wire pressing piece 4, and the first guide rail 16) is not in use, so as to expand the operating space.
  • the second driver 2 of the present invention can also be connected to the first driver 1 through a rack and pinion structure.
  • the method of use of the present invention includes the following steps:
  • the controller controls the action of the first driver 1.
  • the first drive shaft 13 of the first driver 1 drives the thread hook 3 to extend out to the bottom of the needle 5, Hook the end of the upper thread below the eye of needle 5;
  • the controller controls the first drive shaft 13 to rotate in the reverse direction, and drives the thread hook 3 to reset until it cooperates with the thread pressing piece 4 to clamp the hooked upper thread;
  • the controller controls the machine to start, and the needle 5 starts sewing.
  • the thread end sewn on the sewing material hits the thread cutter on the presser foot, the thread end is cut and the thread end is left in the thread hook 3 Between and crimping board 4;
  • the controller controls the action of the second drive shaft 17 of the second driver 2, and the second drive shaft 17 drives the first driver 1, the wire hook 3, and the wire pressing piece 4 to move along the second guide rail 20, so that the thread end is located on the wire hook.
  • the controller controls the first blowing air source 10 to blow, and the controller controls the first drive shaft 13 of the first driver 1 to actuate the wire hook 4 to move, so that the wire end between the wire hook 3 and the wire pressure piece 4 is clamped Blowed by the first blowing source 10 into the second air duct 22;
  • the controller timely controls the second blowing source 11 to blow into the fourth air duct 12, and the thread ends are blown out from the second air duct 22 and the third air duct 9 for collection.
  • the timely control referred to here can be to set the blowing time in the controller to blow at a certain interval, or to install a sensor in the blowing pipe. When the sensor senses that there are more threads accumulated in the blowing pipe, the control is controlled.
  • the controller controls the second blowing source 11 to blow, or according to the operating experience, press the blowing button on the controller to control the action of the second blowing source 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Massaging Devices (AREA)
  • Sewing Machines And Sewing (AREA)

Abstract

L'invention concerne un dispositif de prévention de bouclettes à soufflage d'air et un procédé d'utilisation, concernant le domaine technique des appareils de couture. Un premier dispositif d'entraînement (1) est relié à un crochet de fil (3) pour entraîner le crochet de fil (3) de façon à agir pour accrocher des fils et serrer les fils conjointement avec une pièce de pressage de fils (4) ; un trou d'accrochage de fil (6) est formé sur un tuyau de soufflage d'air ; le premier dispositif d'entraînement (1) est relié à un second dispositif d'entraînement (2) ; le second dispositif d'entraînement (2) peut entraîner le premier dispositif d'entraînement (1) de façon à agir pour déplacer un fil supérieur serré dans le trou d'accrochage de fil (6) ; le tuyau de soufflage d'air comporte plus d'une source de soufflage d'air ; les sources de soufflage d'air soufflent de l'air dans le tuyau de soufflage d'air ; un canal permettant le soufflage de l'extrémité du fil supérieur est formé dans le tuyau de soufflage d'air. Selon ce dispositif, l'extrémité d'un fil est nettoyée par le soufflage de l'extrémité du fil à partir d'un tuyau de soufflage d'air, ce qui facilite la maintenance quotidienne.
PCT/CN2020/111356 2020-04-17 2020-08-26 Dispositif de prévention de bouclettes à soufflage d'air et procédé d'utilisation WO2021208319A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010305893.6A CN113529297A (zh) 2020-04-17 2020-04-17 一种吹气式防鸟巢装置及使用方法
CN202010305893.6 2020-04-17

Publications (1)

Publication Number Publication Date
WO2021208319A1 true WO2021208319A1 (fr) 2021-10-21

Family

ID=78083596

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/111356 WO2021208319A1 (fr) 2020-04-17 2020-08-26 Dispositif de prévention de bouclettes à soufflage d'air et procédé d'utilisation

Country Status (2)

Country Link
CN (1) CN113529297A (fr)
WO (1) WO2021208319A1 (fr)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2539676B2 (ja) * 1988-12-05 1996-10-02 シンガー日鋼株式会社 ミシンの上糸たぐり装置
JPH09299663A (ja) * 1996-05-14 1997-11-25 Juki Corp ミシンの糸切り方法および装置
CN201981362U (zh) * 2011-02-23 2011-09-21 大和缝纫机(宁波)有限公司 吹气式防卷边机
CN204780202U (zh) * 2015-07-08 2015-11-18 杭州天策服装设备成套有限公司 电脑平缝机自动剪除线头及防鸟巢装置
CN207313882U (zh) * 2017-09-21 2018-05-04 强信机械科技(莱州)有限公司 一种吸线式防鸟巢装置
CN207512388U (zh) * 2017-11-27 2018-06-19 强信机械科技(莱州)有限公司 缝纫机及其防鸟巢装置
CN108251987A (zh) * 2018-04-23 2018-07-06 浙江美机缝纫机有限公司 缝纫机去除鸟巢装置
CN108374246A (zh) * 2018-04-02 2018-08-07 强信机械科技(莱州)有限公司 一种缝纫机用防鸟巢装置
CN207828537U (zh) * 2018-01-18 2018-09-07 强信机械科技(莱州)有限公司 一种具有防鸟巢装置的缝纫机
CN109778446A (zh) * 2019-02-22 2019-05-21 杰克缝纫机股份有限公司 一种缝纫机防鸟巢装置
WO2019101033A1 (fr) * 2017-11-27 2019-05-31 强信机械科技(莱州)有限公司 Machine à coudre et son dispositif de prévention de formation de nid d'oiseau, et pied presseur de machine à coudre
CN209508601U (zh) * 2018-11-05 2019-10-18 杰克缝纫机股份有限公司 一种缝纫机
CN212103242U (zh) * 2020-04-17 2020-12-08 浙江沪龙科技股份有限公司 一种吹气式防鸟巢装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3790894B2 (ja) * 2001-11-08 2006-06-28 ヤマトミシン製造株式会社 空環縫い込み方法及び装置
CN209619634U (zh) * 2019-01-22 2019-11-12 上工富怡智能制造(天津)有限公司 面线夹线机构

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2539676B2 (ja) * 1988-12-05 1996-10-02 シンガー日鋼株式会社 ミシンの上糸たぐり装置
JPH09299663A (ja) * 1996-05-14 1997-11-25 Juki Corp ミシンの糸切り方法および装置
CN201981362U (zh) * 2011-02-23 2011-09-21 大和缝纫机(宁波)有限公司 吹气式防卷边机
CN204780202U (zh) * 2015-07-08 2015-11-18 杭州天策服装设备成套有限公司 电脑平缝机自动剪除线头及防鸟巢装置
CN207313882U (zh) * 2017-09-21 2018-05-04 强信机械科技(莱州)有限公司 一种吸线式防鸟巢装置
WO2019101033A1 (fr) * 2017-11-27 2019-05-31 强信机械科技(莱州)有限公司 Machine à coudre et son dispositif de prévention de formation de nid d'oiseau, et pied presseur de machine à coudre
CN207512388U (zh) * 2017-11-27 2018-06-19 强信机械科技(莱州)有限公司 缝纫机及其防鸟巢装置
CN207828537U (zh) * 2018-01-18 2018-09-07 强信机械科技(莱州)有限公司 一种具有防鸟巢装置的缝纫机
CN108374246A (zh) * 2018-04-02 2018-08-07 强信机械科技(莱州)有限公司 一种缝纫机用防鸟巢装置
CN108251987A (zh) * 2018-04-23 2018-07-06 浙江美机缝纫机有限公司 缝纫机去除鸟巢装置
CN209508601U (zh) * 2018-11-05 2019-10-18 杰克缝纫机股份有限公司 一种缝纫机
CN109778446A (zh) * 2019-02-22 2019-05-21 杰克缝纫机股份有限公司 一种缝纫机防鸟巢装置
CN212103242U (zh) * 2020-04-17 2020-12-08 浙江沪龙科技股份有限公司 一种吹气式防鸟巢装置

Also Published As

Publication number Publication date
CN113529297A (zh) 2021-10-22

Similar Documents

Publication Publication Date Title
CN101725004B (zh) 毛球修剪器
CN212103242U (zh) 一种吹气式防鸟巢装置
WO2021208319A1 (fr) Dispositif de prévention de bouclettes à soufflage d'air et procédé d'utilisation
CN201567468U (zh) 毛球修剪器
CN205024458U (zh) 一种智能服装剪线头机
CN107988724B (zh) 一种自动夹模缝纫机
CN203807738U (zh) 一种平缝机的吸尘装置
CN216006246U (zh) 一种剪线机刀头及剪线机系统、缝纫机设备
CN203741555U (zh) 直驱包缝机的吹气装置
CN216656753U (zh) 一种可自动清理物体表面灰尘的激光打标机
CN204919012U (zh) 一种包缝缝纫机的剪线装置
CN114473591A (zh) 一种高效率的双工位加工数控机床
CN209958067U (zh) 一种去除服装线头装置
CN209694126U (zh) 一种手套内绒加工用压合机
CN209771639U (zh) 一种用于纺织车间的吸尘装置
CN208776951U (zh) 一种锁边机的剪线装置
CN105088564A (zh) 一种包缝缝纫机的剪线装置
CN101711624B (zh) 清洁刷
CN217454186U (zh) 一种百洁布生产用剪切装置
CN210657499U (zh) 一种平缝机用的吸线毛装置
CN221501424U (zh) 便于清洗的针板
CN221435296U (zh) 一种激光切割机吸尘装置
CN217733561U (zh) 一种服装制造用线头清理装置
CN220246526U (zh) 一种地毯制造用裁切装置
CN216473861U (zh) 包缝机独立切刀

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20931422

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20931422

Country of ref document: EP

Kind code of ref document: A1