WO2014192179A1 - Machine à coudre et barre à aiguilles - Google Patents

Machine à coudre et barre à aiguilles Download PDF

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Publication number
WO2014192179A1
WO2014192179A1 PCT/JP2013/078024 JP2013078024W WO2014192179A1 WO 2014192179 A1 WO2014192179 A1 WO 2014192179A1 JP 2013078024 W JP2013078024 W JP 2013078024W WO 2014192179 A1 WO2014192179 A1 WO 2014192179A1
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WO
WIPO (PCT)
Prior art keywords
needle bar
sewing machine
needle
air
axis
Prior art date
Application number
PCT/JP2013/078024
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English (en)
Japanese (ja)
Inventor
康次 宮地
Original Assignee
ハムス株式会社
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 ハムス株式会社 filed Critical ハムス株式会社
Priority to CN201380001596.0A priority Critical patent/CN104364432A/zh
Priority to KR1020137031010A priority patent/KR20160014120A/ko
Publication of WO2014192179A1 publication Critical patent/WO2014192179A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B55/00—Needle holders; Needle bars
    • D05B55/14—Needle-bar drives
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/14—Devices for changing speed or for reversing direction of rotation
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/30—Details

Definitions

  • the present invention relates to a sewing machine used when sewing a workpiece such as synthetic leather, leather, and cloth mainly for industrial use, and a needle bar used for the sewing machine.
  • a sewing machine includes a sewing machine body, a needle bar provided on the sewing machine body, a sewing needle held by the needle bar, a hook that receives the sewing needle, and a feed mechanism that feeds the cloth.
  • a sewing machine body is configured to reciprocate up and down by a drive motor or the like.
  • the needle thread and sewing needle are reciprocated up and down with respect to the hook while manually or automatically feeding workpieces such as synthetic leather, leather, and cloth by the feed mechanism, and the upper thread passed through the sewing needle And the lower thread passed through the hook are sewn on the workpiece.
  • Patent Documents 1 and 2 are known as sewing machines for sewing while drawing such a curve.
  • the sewing machines described in Patent Documents 1 and 2 both force the needle bar to mechanically rotate by a gear mechanism such as a rack or pinion, thereby changing the direction of the upper thread passed through the needle hole. I am trying to let you.
  • each of these sewing machines requires a complicated gear mechanism for achieving both the vertical reciprocation of the needle bar and its own axis rotation, which increases the manufacturing cost of the sewing machine, and if it is not made very well, There was a problem that the operation of became unstable. In particular, in a sewing machine used for industrial use, in addition to an increase in manufacturing cost, unstable operation leads to a decrease in product yield, which is a serious problem.
  • the present invention has been made in view of the above-described problems, and provides a sewing machine and a needle bar that can be finished with a simple structure and a beautiful seam when a workpiece is sewn while drawing a curve. Objective.
  • the present invention comprises a sewing machine body, a needle bar provided on the sewing machine body, and a sewing needle held by the needle bar, and the needle bar and the sewing needle are attached to the sewing machine body.
  • the needle bar rotates about its own axis around the axis of reciprocating movement. According to this, since the needle bar holding the sewing needle rotates about its own axis in the vertical reciprocating motion, the resistance of the upper thread to the sewing needle can be reduced, so that the seam can be finished finely.
  • the needle bar is divided into a distal needle bar that holds a sewing needle on the axis of vertical reciprocation and a proximal needle bar provided on a coaxial sewing machine body, and the distal needle It is preferable that the bar rotates about the axis of the reciprocating motion with respect to the proximal needle bar. According to this, since the tip side needle bar rotates about the axis of the vertical reciprocation with respect to the base side needle bar, only the needle bar needs to be replaced without changing the conventional vertical reciprocation mechanism. The self-axis rotation of the needle bar can be easily realized.
  • the proximal needle bar and the distal needle bar are preferably connected to each other via a connecting member so as to be rotatable. According to this, the front end side needle bar can be easily and reliably rotated with respect to the base end side needle bar.
  • the needle bar further includes an air injection part for injecting air at a position near the needle bar, and the needle bar is provided with an air receiving part protruding outward in the radial direction of the needle bar on the peripheral side surface.
  • the self-rotating shaft rotates about the axis of the reciprocating motion in the vertical direction by receiving the air ejected by the air ejecting unit. According to this, the needle bar can be rotated in its own axis at a predetermined timing by the air injection by the air injection unit.
  • the air injection unit includes a right air injection unit arranged on the right side of the air receiving part of the needle bar and a left air injection unit arranged on the left side of the air receiving part of the needle bar,
  • the needle bar rotates in the left direction about the axis of the reciprocating motion, while the needle from the left air injection unit
  • the needle bar is rotated in the right direction around the axis of the up-and-down reciprocating motion by injecting air to the left side surface of the air receiving portion of the bar. According to this, the needle bar can be accurately rotated at a predetermined timing by the jet of air by the left and right air jet sections.
  • the air receiving part can receive the air injected from the air injection part reliably.
  • the air receiving portion is provided with a recess for receiving the air injected by the air injection portion on the right side surface and / or the left side surface. According to this, since the air injected from the air injection part flows into the recessed part of the air receiving part, the air receiving part can receive air more efficiently.
  • the needle bar further includes a guide part for guiding the needle bar at a position in the vicinity of the needle bar, and the needle bar is provided with a protruding part projecting radially outward of the needle bar on a peripheral side surface.
  • the protrusion may be rotated about the axis of the vertical reciprocating movement as the protrusion is guided by the guide.
  • the needle bar can be reliably rotated around the axis of the reciprocating motion according to the guidance of the protruding portion by the guide portion.
  • the needle bar gradually rotates around its axis in the vertical reciprocation as the protrusion is guided by the guide during the downward movement of the needle bar, and has a predetermined basic posture at the bottom dead center.
  • the needle bar returns to the predetermined basic posture at the bottom dead center of the reciprocating motion, the needle hole of the sewing needle is directed in a predetermined direction inside the hook, and the upper thread passing through the needle hole and the hook The inner bobbin thread can be reliably engaged.
  • a needle bar according to the present invention is a needle bar used in the above-described sewing machine, and includes a distal-side needle bar that holds a sewing needle on the axis of vertical reciprocating motion, and a proximal-side needle provided on the sewing machine body on the coaxial line.
  • the tip side needle bar is configured to rotate about the axis of the reciprocating motion up and down with respect to the base side needle bar.
  • the needle bar holding the sewing needle rotates about its own axis in the vertical reciprocating motion, the resistance of the upper thread to the sewing needle can be reduced, so that the seam can be finished beautifully. it can.
  • the construction cost can be reduced and the needle bar can be stably reciprocated vertically. It is possible to exercise and thus improve the product yield.
  • FIG. 1 is an overall configuration diagram of a sewing machine according to a first embodiment of the present invention.
  • FIG. 2 is a front view of the vicinity of a needle bar of the sewing machine of FIG. 1. It is a disassembled perspective view of the needle bar of the sewing machine of FIG. It is sectional drawing of the needle bar of the sewing machine of FIG. It is a whole block diagram of the sewing machine which concerns on the 2nd Embodiment of this invention.
  • FIG. 6 is a front view of the vicinity of the needle bar of the sewing machine of FIG. 5.
  • FIG. 6 is a rear view of the vicinity of the needle bar of the sewing machine of FIG. 5.
  • FIG. 6 is a right side view of the vicinity of the needle bar of the sewing machine of FIG. 5.
  • FIG. 6 is a plan view of the vicinity of the needle bar of the sewing machine of FIG. 5.
  • FIG. 5 (a) in the basic posture, (b) when rotated to the left, (c) a plan view of the vicinity of the needle bar when rotated to the right (left) and a cross-sectional view of the sewing needle (Right figure).
  • FIG. 12 is a right side view (upper view) of the vicinity of the needle bar when the sewing machine of FIG. 11 moves downward and a cross-sectional view (lower view) of the sewing needle.
  • FIG. 12 is a right side view (upper view) of the vicinity of the needle bar when the sewing machine of FIG. 11 moves upward, and a cross-sectional view (lower view) of the sewing needle.
  • the length direction of the sewing machine (the left-right direction in FIGS. 1 and 5) is the front-rear direction
  • the direction orthogonal to the length direction of the sewing machine on the plane (the direction to sew the workpiece) is the left-right direction
  • the axial direction of the needle bar of the sewing machine is the vertical direction.
  • the front side is the front side
  • the right side front side in FIG. 1
  • the left side back side in FIG. 1
  • the sewing machine 1 includes a sewing machine body 10 that accommodates each part, a needle bar 20 provided on the sewing machine body 10, a sewing needle 30 held on the needle bar 20, and a sewing needle. 30, a holding plate 50 that holds the cloth, and a feed mechanism 60 that feeds the cloth.
  • the needle bar 20 and the sewing needle 30 are reciprocated up and down by a drive motor (not shown).
  • the needle bar 20 and the needle are reciprocated up and down with respect to the shuttle 40 while manually or automatically feeding workpieces such as synthetic leather, leather, and cloth by the feed mechanism 60, and are passed through the sewing needle 30.
  • the upper thread t and the lower thread (not shown) passed through the hook 40 are sewn on the workpiece.
  • the needle bar 20 is connected to a drive motor (not shown) via a rotation transmission mechanism 11 so that the rotational drive by the drive motor is converted into a vertical reciprocating motion through the rotation transmission mechanism 11.
  • the rotation transmission mechanism 11 includes a transmission belt 111 connected to a drive motor, a pulley 112 around which the transmission belt 111 is wound and provided on a side surface of the sewing machine body 10, and the pulley.
  • An upper shaft 113 extending in the length direction from 112 to the inside of the sewing machine body 10, a link member 114 provided at the distal end portion of the upper shaft 113, and an arm member 115 provided at the distal end portion of the link member 114
  • the arm member 115 is connected to the needle bar 20.
  • the pulley 112 rotates through the conductive belt 111, and the upper shaft 113 rotates in the sewing machine body 10 along with the rotation.
  • the link member 114 rotates about the upper shaft, and the rotation of the link member 114 is converted into a vertical reciprocating motion of the arm member 115, so that the arm member 115 moves up and down.
  • the needle bar 20 and the sewing needle 30 also reciprocate up and down.
  • the needle bar 20 is divided into two on the axis G of the up-and-down reciprocating motion, that is, a distal needle bar 21 and a proximal needle bar 22, and the distal needle bar 21 becomes a proximal needle bar 22. It is connected so that it can rotate. More specifically, as shown in FIGS. 3 and 4, the needle bar 20 includes a thin short cylindrical tip side needle bar 21 that holds the sewing needle 30 on the axis G of the reciprocating motion, and a coaxial line.
  • the proximal end side needle bar 22 is opened with a large diameter so that the upper end opening 22a can be inserted into the head 23a and the body 23b of the connecting member 23, and the lower end opening 22b is the body of the connecting member 23. It is opened with a small diameter so that only 23b can be inserted.
  • the tip side needle bar 21 is provided with a recess 21a for fitting the body portion 23b of the connecting member 23 at the upper end portion, and a holding hole 21b for holding the needle at the lower end portion.
  • the connecting member 23 When assembling the needle bar 20, when the connecting member 23 is inserted in the direction of the axis G from the upper end opening 22 a of the long cylindrical base end side needle bar 22, the connection is made at the lower end opening 22 b of the base end side needle bar 22. The body portion 23b of the member 23 penetrates and protrudes, and the head portion 23a of the connecting member 23 is locked. Then, after the recess 21a of the short cylindrical needle bar 21 is fitted into the body 23b of the connecting member 23 protruding from the lower end opening 22b of the proximal needle bar 22, the fixing member 24 such as a pin is inserted. Thus, the connecting member 23 and the distal needle bar 21 are fixed.
  • the connecting member 23 is rotatable about the axis G of the up-and-down reciprocating motion with respect to the proximal end needle bar 22, while being fixed to the distal end needle bar 21.
  • the distal needle bar 21 can rotate about the axis G of the vertical reciprocating motion with respect to the proximal needle bar 20 via the connecting member 23.
  • the direction of sewing and the direction of the thread are different in the sewing process, so that the needle hole 30a of the sewing needle 30 is passed through.
  • the upper thread t thus made contacts with the sewing needle 30 and gives resistance, but the distal end side needle bar 21 holding the sewing needle 30 moves up and down in a direction that eliminates the resistance with respect to the proximal side needle bar 22. Therefore, the resistance of the upper thread t to the sewing needle 30 can be reduced, and the seam can be finished finely.
  • the tip side needle bar 21 rotates on its own axis, it does not require a complicated self-axis rotating mechanism that is linked to the vertical reciprocating motion such as a conventional sewing machine. 20 can stably reciprocate up and down.
  • top dead center the position at which the needle bar 20 is most raised in the vertical reciprocation of the needle bar 20 of the sewing machine is referred to as top dead center, and the position at which the needle bar 20 is lowest is referred to as bottom dead center.
  • an air injection unit 70 is provided at a position near the rear of the needle bar 20, and an air receiving unit is provided on the rear peripheral side surface of the needle bar 21 at the tip side. 25, and the air receiving portion 25 receives the air jetted by the air jetting portion 70, so that the distal end side needle bar 21 is rotated around the axis G of the vertical reciprocating motion with respect to the proximal side needle bar 22.
  • the axis rotates.
  • the air receiving portion 25 is a rectangular plate-like member provided in a manner protruding from the rear peripheral side surface of the distal end side needle bar 21 to the rear of the sewing machine (rightward in FIG. 8). And is fixed to the distal needle bar 21 via a clamp member 27.
  • the air receiving portion 25 is formed so as to extend in the front-rear direction and the up-down direction, and the air injected from the air injection portion 70 on the right side surface 251 and the left side surface 252 thereof.
  • circular recesses 25 a are provided on the right side surface 251 and the left side surface 252 of the air receiving portion 25.
  • the basic posture of the needle bar 20 is that the air receiving portion 25 is parallel to the length direction of the sewing machine (the right direction in FIG. 5).
  • the air injection unit 70 includes a pair of upper and lower right air injection units 71 and 71 disposed on the right side of the air receiving unit 25 of the tip side needle bar 21, and the tip side needle bar 21. And a pair of upper and lower left air injection portions 72, 72 disposed on the left side of the air receiving portion 25, and are disposed symmetrically behind the needle bar 20.
  • the needle bar 20 is moved upward as shown in FIGS.
  • the air receiving portion 25 can reliably receive the air injected from the right air injection portions 71 and 71 or the left air injection portions 72 and 72.
  • the needle bar 20 reaches the top dead center as shown in FIGS.
  • the distal needle bar 21 rotates about 40 degrees in the left direction around the axis G of the reciprocating motion.
  • the sewing needle 30 also rotates about 40 degrees in the left direction according to the rotation of the tip side needle bar 21 in the left direction. Therefore, as shown in the right figure of FIG.
  • the upper thread outlet 30a of the hole 31 faces the front right side.
  • the right side air injection unit 71 or the left side air injection disposed on the opposite side to the direction in which the basic posture is to be returned If air is jetted from the portion 72 to the air receiving portion 25 of the needle bar 20, the tip side needle bar 21 can rotate in its own direction in the direction of returning to the basic posture and return to the basic posture.
  • the tip side needle bar 21 is rotated at a predetermined timing by the air injection by the air injection unit 70, and the direction of the upper thread outlet 31a of the needle hole 31 of the sewing needle 30 is appropriately changed to the optimum direction.
  • the resistance of the upper thread t to the sewing needle 30 can be reduced, so that the seam of the workpiece can be finished even more beautifully.
  • the tip side needle bar 21 rotates in its own axis within a range of 40 degrees to the left and right from the basic posture, but may rotate in its own axis within a range of other angles.
  • the self-axis is preferably within a range of 90 degrees or less from the basic posture to the left and right, and more preferably within the range of 45 degrees or less from the basic posture to the left and right. It is good to rotate.
  • a guide portion 80 is provided in the vicinity of the right side of the needle bar 20, and a protrusion 26 is provided on the right peripheral side surface of the needle bar 21 on the distal end side.
  • the protrusion 26 is guided by the guide part 80, whereby the tip side needle bar 21 gradually rotates around the axis G of the vertical reciprocating motion.
  • the robot returns to a predetermined basic posture at the dead center.
  • the protruding portion 26 is a columnar member provided in such a manner that it protrudes from the right peripheral side surface of the distal needle bar 21 in the right direction of the sewing machine (front side in FIG. 11).
  • the guide portion 80 has a guide groove 80a extending in the vertical direction of the upper opening, as shown in FIG.
  • the guide groove 80a is provided below the first guide groove 81 and the wide first guide groove 81 for guiding the protrusion 26 in different directions, and maintains the protrusion 26 in the same direction.
  • a narrow guide groove 82 for guiding while guiding.
  • the first guide groove 81 is formed symmetrically so that the groove width narrows in such a manner that the groove edges 81a on both sides approach each other as it goes from above to below.
  • the protruding portion 26 slides on the groove edge 81a of the first guide groove 81 and faces in the left or right direction along the shape of the groove edge 81a. While being guided down.
  • the second guide groove 82 is formed with a narrow and constant groove width so as to extend downward from the first guide groove 81.
  • the first guide groove 82 is formed to have a groove width slightly larger than the diameter of the protruding portion 26.
  • the tip side needle bar 21 is at the top dead center and the right air injection unit 72.
  • the air jetted from the air receiving portion 25 As shown in the upper part of FIG. 12A, it is in a state of rotating about its own axis in the left direction around the axis G of the vertical reciprocating motion.
  • the sewing needle 30 is rotating in the left direction in accordance with the rotation in the left direction of the tip side needle bar 21, the needle hole 31 of the sewing needle 30 is shown in the lower view of FIG.
  • the upper thread outlet 30a faces the front right side.
  • the tip side needle bar 21 also rotates its own axis in the direction returning to the basic posture (in this description, the right direction around the axis G of the vertical reciprocating motion) and gradually returns to the basic posture.
  • the sewing needle 30 also rotates in the right direction in accordance with the rotation of the distal end side needle bar 21 in the right direction. Therefore, as shown in the lower diagram of FIG. Go to the front.
  • the needle bar 20 when the needle bar 20 further moves down to the bottom dead center, the protrusion 26 that has guided the first guide groove 81 into the second guide groove 82 as shown in the upper part of FIG. Along the same direction, it is guided downward. For this reason, the tip side needle bar 21 moves to the bottom dead center while maintaining the basic posture.
  • the sewing needle 30 also maintains its state in accordance with the maintenance of the basic posture of the distal end side needle bar 21, so that the upper thread outlet 30a of the needle hole 31 faces the front as shown in the lower diagram of FIG. To maintain.
  • the needle thread 30a of the needle 30a of the sewing needle 30 is directed to the front inside the hook 40 by returning the tip side needle bar 20 to the predetermined basic position at the bottom dead center of the vertical reciprocation.
  • the upper thread passing through the needle hole 30 and the lower thread inside the hook 40 can be reliably engaged.
  • the needle bar 20 moves upward from the bottom dead center, as shown in the upper diagrams of FIGS. 13 (a) and 13 (b)
  • the protruding portion 26 remains in the same direction along the second guide groove 82 to the top dead center. You will be guided. Therefore, the distal needle bar 21 moves to the top dead center while maintaining the basic posture.
  • the sewing needle 30 also maintains its state according to the maintenance of the basic posture of the distal needle bar 21, so that the upper thread outlet 30a of the needle hole 31 faces the front as shown in the lower views of FIGS. 13 (a) and 13 (b). Maintain the condition.
  • the tip side needle bar 21 receives the air jetted from the right air jet part 72 at the top dead center again by the air receiving part 25, and as shown in FIG. It is in a state of rotating around its own axis G in the left direction.
  • the sewing needle 30 rotates in the left direction in accordance with the rotation of the tip side needle bar 21 in the left direction, and therefore, as shown in the lower diagram of FIG.
  • the yarn outlet 30a faces the front right side.
  • the tip side needle bar 21 is reciprocated up and down by receiving the air injected from the left air injection unit 71 at the top dead center by the air receiving unit 25. It is in a state where its own axis rotates in the right direction around the movement axis G. For this reason, when the needle bar 20 moves downward from the top dead center, the protruding portion 26 slides on the groove edge 81a on the front side of the first guide groove 81 and moves to the left along the shape of the groove edge 81a. You will be guided down.
  • the distal needle bar 21 also rotates in its own axis in the direction returning to the basic posture (in this description, the left direction around the axis G of the vertical reciprocating motion) and returns to the basic posture.
  • the sewing needle 30 also rotates in the left direction in accordance with the rotation in the left direction of the tip side needle bar 21, so that the upper thread outlet 30a of the needle hole 31 gradually turns to the front side, and the subsequent operation Is the same as described above.
  • the needle bar 20 is configured to be divided into the proximal end side needle bar 22 and the distal end side needle bar 21, but the needle bar 20 may be configured to be integrated without being divided. .
  • the needle bar 20 receives air from the air injection unit 70 before and after the top dead center of the vertical reciprocating motion, the needle bar 20 may receive air from the air injection unit 70 during the upward movement or the downward movement.
  • the air receiving portion 25 is formed in a rectangular plate shape, it may be formed in other shapes. Moreover, although the recessed part 25a was provided in the right side 251 and the left side 252 of the air receiving part 25, you may form the right side 251 and the left side 252 flat without providing the recessed part 25a.
  • the right-side air injection part 71 and the left-side air injection part 72 are provided two at the top and the bottom, only one may be provided, or three or more may be provided.
  • the guide portion 80 is not limited to the above-described shape, and may have any shape as long as it can guide the protruding portion 26.
  • the guide 80 guides the protrusion 26 only when the needle bar 20 moves downward, but guides the protrusion 26 when the needle bar 20 moves upward, and follows the guidance of the protrusion 26 by the guide 80.
  • the needle bar (or the tip side needle bar) may be rotated about its own axis around the vertical reciprocating motion.

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

Abstract

La présente invention a pour objet de fournir une machine à coudre de structure simple et permettant un fini impeccable d'une couture lors de la couture d'une pièce de travail en suivant une courbe. L'invention concerne donc une machine à coudre (1) dotée d'un corps (10) de machine à coudre, d'une barre à aiguilles (20) disposée dans le corps (10) de machine à coudre, et d'une aiguille de couture (30) maintenue dans la barre à aiguilles (20), la barre à aiguilles (20) et l'aiguille de couture (30) suivant un mouvement de va-et-vient vertical par rapport au corps (10) de machine à coudre. La barre à aiguilles (20) est distinctement composée d'une barre à aiguilles côté pointe (21) destinée à maintenir une aiguille de couture sur un axe du mouvement de va-et-vient vertical et une barre à aiguilles côté base (22) disposée dans le corps (10) de machine à coudre sur l'axe, la barre à aiguilles côté pointe (21) tournant sur son axe autour de l'axe du mouvement de va-et-vient vertical par rapport à la barre à aiguilles côté extrémité de base (22).
PCT/JP2013/078024 2013-05-31 2013-10-16 Machine à coudre et barre à aiguilles WO2014192179A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201380001596.0A CN104364432A (zh) 2013-05-31 2013-10-16 缝纫机及针杆
KR1020137031010A KR20160014120A (ko) 2013-05-31 2013-10-16 재봉틀 및 침봉

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013114965 2013-05-31
JP2013-114965 2013-05-31

Publications (1)

Publication Number Publication Date
WO2014192179A1 true WO2014192179A1 (fr) 2014-12-04

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PCT/JP2013/078024 WO2014192179A1 (fr) 2013-05-31 2013-10-16 Machine à coudre et barre à aiguilles

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JP (1) JP5632949B1 (fr)
KR (1) KR20160014120A (fr)
CN (1) CN104364432A (fr)
TW (1) TW201445018A (fr)
WO (1) WO2014192179A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114134648B (zh) * 2022-01-27 2022-05-17 南通勤润自动化科技有限公司 一种具有线头夹取组件的鞋底穿线装置及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3839662A1 (de) * 1988-11-24 1990-05-31 Pfaff Ind Masch Naehmaschine mit einer hin- und herbewegbaren, fadenfuehrenden nadel
JPH0319797B2 (fr) * 1988-08-10 1991-03-15 Iida Shintaro
JPH03111081A (ja) * 1989-09-25 1991-05-10 Juki Corp 自動縫ミシン
JPH0426434A (ja) * 1990-05-22 1992-01-29 Brother Ind Ltd 鳩目穴かがりミシン

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0319797A (ja) 1989-06-09 1991-01-28 Asahi Chem Ind Co Ltd 打抜き装置及びその運転方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0319797B2 (fr) * 1988-08-10 1991-03-15 Iida Shintaro
DE3839662A1 (de) * 1988-11-24 1990-05-31 Pfaff Ind Masch Naehmaschine mit einer hin- und herbewegbaren, fadenfuehrenden nadel
JPH03111081A (ja) * 1989-09-25 1991-05-10 Juki Corp 自動縫ミシン
JPH0426434A (ja) * 1990-05-22 1992-01-29 Brother Ind Ltd 鳩目穴かがりミシン

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TW201445018A (zh) 2014-12-01
KR20160014120A (ko) 2016-02-11
JP2015006309A (ja) 2015-01-15
JP5632949B1 (ja) 2014-11-26
CN104364432A (zh) 2015-02-18

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