KR20140109838A - Opener device for internal shuttle of the embroidery hook - Google Patents

Opener device for internal shuttle of the embroidery hook Download PDF

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Publication number
KR20140109838A
KR20140109838A KR1020140084755A KR20140084755A KR20140109838A KR 20140109838 A KR20140109838 A KR 20140109838A KR 1020140084755 A KR1020140084755 A KR 1020140084755A KR 20140084755 A KR20140084755 A KR 20140084755A KR 20140109838 A KR20140109838 A KR 20140109838A
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KR
South Korea
Prior art keywords
opener
hook
shaft
gear
drive shaft
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KR1020140084755A
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Korean (ko)
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KR101588374B1 (en
Inventor
하이지앙 왕
전계욱
Original Assignee
쥬지 신신 메커니컬 앤드 일렉트리컬 테크놀로지 컴퍼니 리미티드
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Publication of KR20140109838A publication Critical patent/KR20140109838A/en
Application granted granted Critical
Publication of KR101588374B1 publication Critical patent/KR101588374B1/en

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    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05C—EMBROIDERING; TUFTING
    • D05C11/00—Devices for guiding, feeding, handling, or treating the threads in embroidering machines; Machine needles; Operating or control mechanisms therefor
    • D05C11/18—Shuttles ; Shuttle holders; Shuttle driving arrangements

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

Abstract

The present invention relates to an opener device for an inner drum of an embroidery hook, which comprises a main shaft and a hook shaft perpendicular to the main shaft, wherein a hook is provided at the head end of the hook shaft, a hook gear is provided at the end of the hook shaft, Wherein the spindle is provided with a spindle gear and a hook gear, the spindle gear and the hook gear meshing with each other to rotate the hook shaft and the hook, and an opener drive shaft is provided parallel to one side of the hook shaft, And an opener driving cam for driving the motor to move along the axial direction, wherein the opener driving shaft is movably installed in an opener driving shaft sleeve, and an opener restoring spring is installed between the opener driving shaft sleeve and the opener driving shaft And the inner drum is interlocked with the head end of the opener drive shaft so as to be rotatable in the clockwise direction The opener will be handed installation. According to the present invention, since the inner drum is rotated in the clockwise direction by the opener grip, the pressure between the outer drum and the inner drum of the hook is reduced, and when the upper thread comes out between the inner drum and the hook stopper, Can be prevented from being worn.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opener device for an inside of an embroidery hook,

The present invention relates to a kind of embroidery machine.

1, the upper thread 100 of the embroidery machine is pulled up due to threading after the upper thread 100 is rotated around the inner drum 101 by the needle and the hook 10 during the embroidery work, and the inner hook 101 And the hook stopper 12, as shown in Fig. When the upper thread 100 is released between the inner hook 101 and the hook stopper 12, a load is applied to the thread path K due to the pressure of the inner thread 101 and the outer thread 102, It interferes with coming out. Therefore, the embroidery is not smooth and the thread is scratched and the thread is broken.

It is an object of the present invention to provide an opener device for an inner drum of an embroidery hook which prevents pressure from being generated between a stationary inner drum and a rotating outer drum, .

In order to achieve the above object, an opener device of an inner drum of an embroidery hook of the present invention includes a main shaft and a hook shaft perpendicular to the main shaft, a hook is provided at a head end of the hook shaft, Wherein the main shaft is provided with a main shaft gear and a hook gear, and the main shaft gear and the hook gear are engaged with each other to rotate the hook shaft and the hook. Wherein an opener drive shaft is provided in parallel to one side of the hook shaft and the main shaft is provided with an opener drive cam for driving the opener drive shaft to move along the axial direction and the opener drive shaft is movable in an opener drive shaft sleeve An opener return spring is provided between the opener drive shaft sleeve and the opener drive shaft, and an opener grip is provided at the head end of the opener drive shaft for interlocking the inner drum to be rotatable in a clockwise direction.

Preferably, the opener grip is installed in an opener block, and the opener block is provided with a hooping structure connected to a head end of the opener drive shaft.

Preferably, the opener grip includes an opener head facing the hook, and the opener head is formed with an opener slant surface for rotating the inner hook.

Preferably, the opener grip includes an opener plate, the opener plate is L-shaped, one side of the opener plate is fixed to the opener block, and the opener head is fixed to the other end of the opener plate Respectively.

Preferably, a bearing or a roller that matches the outer circumferential surface of the opener drive cam is provided at the free end of the opener drive shaft.

In working the hook and the face according to the present invention, the main shaft drives the opener drive shaft to linearly move along the axial direction by the opener drive cam. When the upper thread begins to rotate halfway around the inner drum, the opener grip provided at the head end of the opener drive shaft interlocks the inner drum to rotate clockwise so that the pressure between the outer drum and the inner drum can be reduced, When you exit between the drum and hook stopper, you can prevent the upper thread from being cut or scratched.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings and examples.
BRIEF DESCRIPTION OF THE DRAWINGS FIG.
FIG. 2 is another structural view of a chamber shutoff automatic sensing device; FIG.
Fig. 3 is a structural view after the locking shaft locks the lower thread detecting operation lever; Fig.
4 is a structural view of an inner drum opener device of an embroidery hook;
Fig. 5 is a diagram showing the matching structure between the opener grip and the inner drum.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to the accompanying drawings and embodiments, with reference to the accompanying drawings.

1 to 3, the apparatus for automatically detecting the bobbin thread breakage of the embroidery machine according to the present invention includes a main shaft 2 and a hook shaft 1 perpendicular to the main shaft 2, A hook 10 is provided at the head end and a hook gear 11 is provided at the end of the hook shaft 1. The main shaft 2 is provided with a main shaft gear 20 and a hook gear 11, The main shaft gear 20 and the hook gear 11 are engaged with each other to rotate the hook shaft 1 and the hook 10.

A lower thread detection block 40 is installed on the rear side of the hook 10 and a lower thread detection operation lever 41 is hinged to the lower thread detection block 40. The lower thread detection operation lever 41 and the lower thread detection A torsion spring 402 is installed between the blocks 40. A lower thread sensing operation shaft 4 is installed parallel to one side of the hook shaft 1 and the lower thread sensing operation shaft 4 is movably installed in a lower thread sensing operation shaft sleeve 49, An operation shaft restoring spring 48 is provided between the sleeve 49 and the lower chamber actuating shaft 4 and a lower chamber sensing driving cam 48 is provided on the main shaft 2 so as to interact with the lower end of the lower chamber actuating shaft 4 21 are installed. The lower thread detection operation lever 4 is provided at its head end with an operation section which interacts with the head end of the lower thread detection operation lever 41. The lower thread chamber 103 blocks the lower thread detection operation lever 41 and the lower thread gap detector 45 is installed at the motion locus of the lower side detection operation lever 41.

The main shaft 2 is interlocked to rotate the hook shaft 1 by the hook gear 11 and to rotate the main shaft gear 20 and the lower chamber sensing drive cam 21 in rotation. The lower thread sensing operation cam 21 drives the lower thread sensing operation shaft 4 to linearly move and the lower thread sensing operation shaft 4 is moved to the limit position by the operation of the operation shaft restoring spring 48 The lower thread detection operation shaft 4 is linearly reciprocated along the lower thread detection operation shaft sleeve 49. The lower thread detection operation shaft 4 is then returned to its original position.

The lower thread detection operation lever 41 is configured such that the lower thread detection operation lever 41 is moved in the direction of a set locus under the action of the torsion spring 402, the lower thread 103 and the lower thread detection operation lever 41, . When the lower thread 103 is broken, both ends of the lower thread sensing operation lever 41 are broken. When the lower thread detection operation lever 41 reaches the detection point of the lower thread break detector 45, the lower thread break detector 45 sends a lower thread break signal to the controller.

At least two adjustment holes 401 are formed in the bush branch block 40 and one end of the torsion spring 402 is fitted into the adjustment hole 401. It is necessary to adjust the strength of the torsion spring 402 according to the magnitude of the tensile force of the lower thread 103. A plurality of adjustment holes 401 are formed in the lower thread detection block 40 and the refractive portions of the torsion springs 402 are fitted into different adjustment holes so that the tensile force of the torsion spring 402 can be adjusted, It is possible to prevent the lower thread detection operation lever 41 from being restored to its original position due to the tensile force and foreign matter of the lower thread detection operation lever 41. [

The operating portion includes an operating block (43). An actuating head 44 is provided at the top end of the actuating block 43 and a bearing for causing rolling friction between the actuating head 44 and the lower chamber sensing actuating lever 41 Because the rollers are installed, the movement can be more smoothly assisted and the friction reduction effect can be maximized. When the hoop on the operation block 43 is released, the operation block 43 and the operation head 44 adjust the front and rear positions in the lower thread detection operation shaft 4, There is an effect.

The lower thread detection operation lever 41 includes an arc-shaped bending section 412 formed at the head end and an L-shaped section 411 formed at the end. The L-shaped section is formed between the arc-shaped bending section 412 and the L-section 411. The actuating head 44 and the arc-shaped bending section 412 interact with each other, and the L-shaped section 411 and the bottom thread interact with each other, and the hinge- And is provided at a connection position of the refraction section 412 and the L-type refraction section.

In addition, a rolling head 47 is provided at the lower end of the lower thread sensing operation shaft 4 and the rolling head 47 is a bearing or a roller. The lower thread sensing operation shaft 4 and the lower chamber sensing driving cam 21 ), Allowing more smooth motion and maximizing the effect of reducing friction.

A lock shaft 46 is provided at one side of the lower thread sensing operation shaft 4 and perpendicular to the lock shaft 46. The lock shaft 46 is driven by an electromagnet. And a locking groove is formed in the lower thread sensing operation shaft 4 in correspondence with the locking head 461. When the thread is cut, the lower thread detecting operation lever 41 must be stopped so that the lower thread 103 and the embroidery thread do not interfere with each other. At this time, the controller controls the electromagnet to load electricity, and the electromagnet drives the lock shaft 46 to move in the direction of the lower thread sensing operation shaft 4, and the lock head 461 is inserted into the lock groove And the lower thread sensing operation shaft 4 is stopped. Therefore, the lower thread detection operation lever 41 can be stopped from rotating in the direction of the lower thread perception shaft 4.

The following is a description of the rice cooker in which the machine automatically stops when the lower thread of the embroidery machine is cut off.

When the main shaft 2 rotates, the main shaft gear 20 and the lower chamber sensing drive cam 21 rotate together so that the hook shaft 1 and the hook 10 rotate along the hook gear 11, The cam 21 drives the lower thread sensing operation shaft 4 to linearly reciprocate along the lower thread sensing operation shaft sleeve 49.

When the lower chamber 103 is present, the lower chamber 103 and the lower chamber sensing operation shaft 4 simultaneously act on the lower chamber sensing operation lever 41, and the lower chamber sensing operation lever 41 advances the normal reciprocating motion. When the lower thread detection operation lever 41 does not reach the detection point of the lower thread break detector 45 and the lower thread breaks, the balance between the lower thread detection operation lever 41 is broken. When the lower thread detection operation lever 41 reaches the detection point of the lower thread break detector 45, the lower thread break detector 45 sends a lock-out signal to the controller.

Then, the controller controls the spindle motor to stop the rotation.

When cutting the thread, the lower thread sensing actuation axis (4) must be stopped. At this time, the controller sends a signal to the electromagnet, and the electromagnet drives the lock shaft 46 to move in the direction of the lower thread sensing operation shaft 4, the lock head 461 is fitted in the lock groove, (4) stops moving toward the lower thread detection operation lever (41).

4 to 5, an opener drive shaft 3 is installed parallel to one side of the hook shaft 1 and the main shaft 2 is driven to move the opener drive shaft 3 along the axial direction An opener drive shaft (22) is provided in which the opener drive shaft (3) is movable within an opener drive shaft sleeve (34) and between the opener drive shaft sleeve (34) and the opener drive shaft An opener return spring 33 is provided at the head end of the opener driving shaft 3 and an opener grip 31 is provided at the head end of the opener driving shaft 3 to interlock the inner drum 101 in a clockwise direction.

The opener block 31 is installed in an opener block 32 and a hooping structure 321 connected to a head end of the opener drive shaft 3 is installed in the opener block 32. The opener grip 31 includes an opener head 311 facing the hook 10 and an opener slanting surface 3111 for rotating the inner ring 101 is formed on the opener head 311. The opener plate 310 includes an opener plate 310 and the opener plate 310 is L-shaped. One side of the opener plate 310 is fixed to the opener block 32, The head 311 is provided so as to protrude from the other end of the opener plate 310. A bearing or a roller 30 is provided at the free end of the opener drive shaft 3 to match the outer circumferential surface of the opener drive cam 22.

A stepped block having a smaller diameter is formed at the head end of the opener driving shaft 3 and the opener block 32 is fixed to the stepped block by the hooping structure 321. When the bolt of the hoop is released, the position of the opener block 32 on the opener drive shaft 3 can be adjusted. After adjustment, the bolts of the hoop can be tightened. Therefore, the interval between the inner hook 101 and the opener catch 31 can be adjusted, and the angle of the inner drum rotated in the clockwise direction can be adjusted.

The opener head 311 is formed in a right angle ladder shape, and the opener inclined surface 3111 is formed in a sloped shape of a right angle ladder type, a notch 1101 is formed in the inner drum, Enters the notch 1101, and the opener inclined surface 3111 matches the notch 1101 so that the inner drum rotates clockwise.

The opener head 311 and the opener plate 310 are integrally formed. The opener plate 310 is fixed to the opener block 32 by bolts. When the opener holder 310 is replaced, the bolts are unscrewed.

Since the bearing or roller 30 matching the outer peripheral surface of the opener drive cam 22 is provided at the end of the opener drive shaft 3, friction between the opener drive cam and the opener drive shaft can be maximized.

When the main shaft 2 rotates, the main shaft gear 20 and the opener driving cam 22 rotate in the same direction, and the main shaft gear 20 and the opener driving cam 22 are rotated in the same direction, The hook shaft 1 and the outer drum rotate in the same direction. At the same time, under the action of the opener drive cam 22 and the opener restoring spring 33, the opener drive shaft 3 makes a reciprocating linear motion, and the embroidery yarn begins to separate when it is half a wheel wrapping the inner drum , The inner drum (101) is stopped by holding the hook stopper (12). The opener grip 31 of the head end of the opener drive shaft 3 interlocks the inner drum 101 to rotate clockwise so that the pressure between the outer drum and the inner drum is reduced, It is possible to prevent breakage and scarring of the embroidery yarn when the hook stopper 12 is released.

Claims (5)

A hook 10 is provided at the head end of the hook shaft 1 and a hook gear 11 is provided at the end of the hook shaft 1, The main shaft 2 is provided with a main shaft gear 20 and a hook gear 11. The main shaft gear 20 and the hook gear 11 are engaged with each other, Rotating the hook 10;
An opener drive shaft 3 is installed parallel to one side of the hook shaft 1 and an opener drive cam 22 is mounted on the main shaft 2 to drive the opener drive shaft 3 to move along the axial direction, The opener drive shaft 3 is movably installed in an opener drive shaft sleeve 34 and an opener restoring spring 33 is provided between the opener drive shaft sleeve 34 and the opener drive shaft 3 , And an opener grip (31) is provided at the head end of the opener drive shaft (3) to rotate the inner drum (101) clockwise. The method according to claim 1,
Characterized in that the opener gripper (31) is installed in an opener block (32) and a hooping structure (321) is provided in the opener block (32) to be connected to the head end of the opener drive shaft (3) The inner drum opener device of the hook. 3. The method of claim 2,
The opener grip 31 includes an opener head 311 facing the hook 10 and an opener slope 3111 for rotating the inner ring 101 is formed on the opener head 311 The inner drum opener device of the embroidery hook. The method of claim 3,
The opener plate 310 includes an opener plate 310 and the opener plate 310 is L-shaped. One side of the opener plate 310 is fixed to the opener block 32, Wherein the head (311) is installed to protrude from an end of the other side of the opener plate (310). 5. The method according to any one of claims 1 to 4,
Wherein a bearing or a roller (30) matching the outer circumferential surface of the opener driving cam (22) is provided at the free end of the opener driving shaft (3).
KR1020140084755A 2014-05-13 2014-07-07 Opener device for internal shuttle of the embroidery hook KR101588374B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410203274.0 2014-05-13
CN201410203274.0A CN103966783B (en) 2014-05-13 2014-05-13 Embroidery machine inner rotating-shuttle leaves shuttle device

Publications (2)

Publication Number Publication Date
KR20140109838A true KR20140109838A (en) 2014-09-16
KR101588374B1 KR101588374B1 (en) 2016-01-27

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ID=51236766

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Application Number Title Priority Date Filing Date
KR1020140084755A KR101588374B1 (en) 2014-05-13 2014-07-07 Opener device for internal shuttle of the embroidery hook

Country Status (3)

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KR (1) KR101588374B1 (en)
CN (2) CN103966783B (en)
WO (1) WO2015172421A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100105369A (en) * 2009-03-16 2010-09-29 치 시앙 인더스트리얼 컴퍼니 리미티드 Comb shell opener for sewing machine
KR20130001958U (en) * 2011-09-16 2013-03-26 치 시앙 인더스트리얼 컴퍼니 리미티드 A structure of bobbin case opener for sewing machine

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DE872148C (en) * 1945-04-18 1953-03-30 Mefina Sa Retaining device for the bobbin case
GB871101A (en) * 1959-04-06 1961-06-21 Singer Mfg Co Bobbin thread case opener mechanism
JPH07213772A (en) * 1994-02-04 1995-08-15 Juki Corp Shuttle body rotation preventing device for sewing machine horizontal shuttle
JP2001300170A (en) * 2000-04-27 2001-10-30 Juki Corp Opener device of sewing machine horizontally rotating shuttle
DE10261339C1 (en) * 2002-12-28 2003-11-13 Duerkopp Adler Ag Sewing machine looper has a bobbin capsule, with lifter cams, and a lifter mechanism with a lifter lever at the capsule lifter, and a feeler lever at the surface of an axial cam disk
CN1603505A (en) * 2004-11-16 2005-04-06 王剑 Indefinite lower thread mechanism of embroidery machine and dedicated rotating shuttle thereof
JP5048287B2 (en) * 2006-08-17 2012-10-17 株式会社廣瀬製作所 Full rotation pot
DE102007050245A1 (en) * 2007-10-20 2009-04-23 Dürkopp Adler AG Sewing machine and gripper system for sewing machine
JP2009100901A (en) * 2007-10-23 2009-05-14 Brother Ind Ltd Shuttle mechanism for sewing machine
JP2010046108A (en) * 2008-08-19 2010-03-04 Juki Corp Horizontal hook of sewing machine
CN203807745U (en) * 2014-05-13 2014-09-03 诸暨市新信机电科技有限公司 Device for opening internal shuttle of rotating shuttle of embroidery machine
CN103952872B (en) * 2014-05-13 2015-07-08 诸暨市新信机电科技有限公司 Superhigh-speed embroidering machine

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100105369A (en) * 2009-03-16 2010-09-29 치 시앙 인더스트리얼 컴퍼니 리미티드 Comb shell opener for sewing machine
KR20130001958U (en) * 2011-09-16 2013-03-26 치 시앙 인더스트리얼 컴퍼니 리미티드 A structure of bobbin case opener for sewing machine

Also Published As

Publication number Publication date
CN104988679B (en) 2017-03-29
CN104988679A (en) 2015-10-21
WO2015172421A1 (en) 2015-11-19
KR101588374B1 (en) 2016-01-27
CN103966783A (en) 2014-08-06
CN103966783B (en) 2015-08-26

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