CN100396838C - Sewing machine - Google Patents

Sewing machine Download PDF

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Publication number
CN100396838C
CN100396838C CNB031251595A CN03125159A CN100396838C CN 100396838 C CN100396838 C CN 100396838C CN B031251595 A CNB031251595 A CN B031251595A CN 03125159 A CN03125159 A CN 03125159A CN 100396838 C CN100396838 C CN 100396838C
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CN
China
Prior art keywords
cutting knife
suture
holding plate
top side
sewing
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Expired - Fee Related
Application number
CNB031251595A
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Chinese (zh)
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CN1458323A (en
Inventor
椎名隆行
坂本真一
小田洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Juki Corp
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Juki Corp
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Filing date
Publication date
Application filed by Juki Corp filed Critical Juki Corp
Publication of CN1458323A publication Critical patent/CN1458323A/en
Application granted granted Critical
Publication of CN100396838C publication Critical patent/CN100396838C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B65/00Devices for severing the needle or lower thread
    • D05B65/06Devices for severing the needle or lower thread and for disposing of the severed thread end ; Catching or wiping devices for the severed thread
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B3/00Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
    • D05B3/12Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for fastening articles by sewing
    • D05B3/14Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing for fastening articles by sewing perforated or press buttons
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B37/00Devices incorporated in sewing machines for slitting, grooving, or cutting
    • D05B37/04Cutting devices
    • D05B37/08Cutting devices with rotatable tools
    • DTEXTILES; PAPER
    • D05SEWING; EMBROIDERING; TUFTING
    • D05BSEWING
    • D05B65/00Devices for severing the needle or lower thread
    • D05B65/02Devices for severing the needle or lower thread controlled by the sewing mechanisms

Abstract

To provide a sewing machine which can reduce the varied dimensions of the lengths of threads from the respective knotted parts to the final ends thereof. The sewing machine 1 in which the thread used 6 for the sewing is pinched and cut off on the knotted side thereof with the first knife 7 supported on a throat plate 5 and the second knife 8 rotatably supported on the throat plate 5 at the end of sewing is provided with a rotary drive part which rotates the first knife 7 being rotatably supported on the throat plate 5 and a linkage mechanism which rotates the second knife 8 in linkage with the rotation of the first knife 7. At the end of the sewing, the rotary drive part is driven to cut off the thread 6 on the knotted side thereof with the first and second knives 7 and 8.

Description

Sewing machines
Technical field
The present invention relates to a kind of with the single line chain type stitching with Button nail make on the thing and during in sewing finishing will with making in the suture that is connected of the stitching that the forms Sewing machines clamping and cut off with two cutting knifes.
Background technology
In the past, with the single line chain type stitching that Button nail is known by everybody at the button sewing machine of making on the thing.On this button sewing machine, when nail has the button in a plurality of holes, mobile button and tailoring cloth, so as to make eedle alternately pass the different hole of button and on one side pass between the hole suture on one side below cloth with stitching knotting ground nail catcher.
Therefore on this button sewing machine, have by being fixed in as the fixed cutting tool below the needle plate of cutting knife supporting seat and can being supported on rotationally flexibly and be formed with the thread cutting device that the movable cutting knife on the needle plate that passes the eedle pin hole constitutes.This movable cutting knife rotates when sewing finishing, will pass the suture that the water caltrop of pin hole on the needle plate and needle plate below is connected in order to catch from stitching knotting portion, then with fixed cutting tool co-operating cut-out suture.
The said fixing cutting knife, be configured in not with the eedle that moves up and down collide from the eedle side that the path leaves that moves up and down.
Above-mentioned movable cutting knife, by connecting rod by air cylinder driven.Promptly, when driving cylinder, connecting rod direction forwards, backwards moves and rotates movable cutting knife, during this rotates, movable cutting knife catches the stitching knotting portion of making thing from the needle plate to pass the suture that pin hole is connected with the water caltrop of needle plate below, and rotate when finishing, in the position of movably cutting knife and fixed cutting tool junction by two cutting knife clampings and cut off suture.
But, on above-mentioned button sewing machine, as mentioned above, eedle alternately passes the hole of a plurality of buttons, but because button has the branch in two holes or four holes, so when the sewing condition of the sequential scheduling of kind that has changed button or eedle perforation, the hole that eedle passes when sewing finishing, can be different because of above-mentioned sewing condition, at this moment, the position of the stitching knotting portion of Xing Chenging is also different at last.
That is, with respect to fixed cutting tool, last stitching knotting position is different, and therefore the suture length from last stitching knotting portion to fixed cutting tool is also different.When the position of last stitching knotting portion during near the fixed cutting tool side, the suture remaining lengths of cutting off end from stitching knotting portion to suture is shorter, when the position of last stitching knotting portion when fixed cutting tool is far away, the suture remaining lengths of cutting off end from stitching knotting portion to suture is just long.
So, when the suture remaining lengths more in short-term, last stitching knotting portion is just untied, as the feature of single line chain type stitching, all stitchings are all untied easily if an end is untied, button has just fallen down.In addition, when the suture remaining lengths was long, the outward appearance that then produces sewings worsened and has reduced the big problem of the quality of sewings.
The objective of the invention is to, on button sewing machine, make the suture remaining lengths of cutting off end from stitching knotting portion to suture suitable, and reduce the deviation of suture remaining lengths.
Summary of the invention
In order to achieve the above object, as shown in figure 1 to figure 13,
The present invention's 1 Sewing machines, it is characterized in that, be provided with: (for example be supported on the cutting knife supporting seat rotationally, needle plate 5) the 1st cutting knife 7 on, be supported on the 2nd cutting knife 8 on the above-mentioned cutting knife supporting seat rotationally, with the rotary driving part that above-mentioned the 1st cutting knife is rotated to a direction, and the interlinked mechanism that makes the rotation interlock of above-mentioned the 2nd cutting knife and above-mentioned the 1st cutting knife and this second cutting knife is rotated to other direction; The top side of described suture is remained on the maintaining body of cutting knife supporting seat side, wherein, when sewing finishing, the top side that keeps described suture by described maintaining body, drive described rotary driving part, described the 1st cutting knife and described the 2nd cutting knife are joined, thereby cut off the knotting side and the top side of described suture simultaneously.
According to the present invention 1, when sewing finishing, the 1st cutting knife and the 2nd cutting knife interlock and rotation, and with the 1st cutting knife and above-mentioned the 2nd cutting knife clamping and cut off the suture that is connected with stitching knotting portion.That is, no matter which of the 2nd cutting knife hang over the 1st cutting knife of rotation still be on to suture, all can be in the junction position that moves to the 1st cutting knife and above-mentioned the 2nd cutting knife with the cutting knife that tangles line, after, clamped and cut off by the 1st cutting knife and the 2nd cutting knife.
Therefore, this junction position, no matter the position of stitching knotting side, can both be cut off in the junction position of each cutting knife still in the 2nd cutting knife side in the 1st cutting knife side, and can reduce the deviation from the knotting part to the suture length dimension of end.Promptly, can be as the 1st cutting knife be not fixed on the cutting knife supporting seat and only make the Sewing machines that the 2nd cutting knife rotates in the past, the junction position of each cutting knife is in the 1st cutting knife side, and the position of stitching knotting side is when the 1st cutting knife side, length dimension from stitching knotting part to end shortens, when the position of stitching knotting side during in the 2nd cutting knife side, the suture remaining lengths size from stitching knotting part to end is just long, can make the deviation of this length dimension constant big.
The present invention's 2 is 1 described Sewing machiness according to the present invention, it is characterized in that:
Be provided with when making beginning, the top side of above-mentioned suture remained on the maintaining body of cutting knife supporting seat side.
According to the present invention 2, except the present invention's 1 effect, also have the top side of suture is passed cloth make beginning the time, the top side of suture is maintained at cutting knife supporting seat side.Therefore, when making,, also can keep the top side of suture in cutting knife supporting seat side even when on suture, having applied excessive tension force.Therefore, the top side of suture can not extracted out from cloth when making, and can make reliably.
The present invention's 3 is 2 described Sewing machiness according to the present invention, it is characterized in that:
When sewing finishing, drive above-mentioned rotary driving part, and, cut off the knotting side and the top side of above-mentioned suture simultaneously with above-mentioned the 1st cutting knife and above-mentioned the 2nd cutting knife.
According to the present invention 3, except the present invention's 2 effect, can also the top side of suture is the same with the knotting side, which no matter be suspended on the 1st cutting knife of rotation on still above-mentioned the 2nd cutting knife, the capital is in the junction position that moves to the 1st cutting knife and the 2nd cutting knife with the cutting knife that tangles line, then, clamped and cut off by the 1st cutting knife and the 2nd cutting knife.
Therefore, no matter the position of suture top side is in the 1st cutting knife side or in the 2nd cutting knife side, can both be cut off in the junction position of each cutting knife, and can reduce from the deviation of part to the suture length dimension at top of tiing a knot.
In addition, with the once action of the 1st cutting knife and the 2nd cutting knife, can cut off suture knotting side and top side simultaneously, can shorten significantly and make making the time of thing, and can reduce the manufacturing cost of making thing.
The present invention's 4 is 2 or 3 described Sewing machiness according to the present invention, it is characterized in that:
Above-mentioned maintaining body, have: the holding plate 11 that is formed with the retaining hole 11a of the top side of passing above-mentioned suture, with above-mentioned holding plate can (for example be supported superincumbent holding plate support component flexibly movably, sliding panel 12) and with above-mentioned holding plate to the travel mechanism that moves slightly in horizontal direction
When making beginning, above-mentioned suture top side is passed the above-mentioned retaining hole of the above-mentioned holding plate that protrudes from the end of above-mentioned holding plate support component, and with above-mentioned travel mechanism with above-mentioned holding plate to above-mentioned holding plate support component side shifting, with the above-mentioned suture of the upper face side clamping top side of this side and above-mentioned holding plate support component below above-mentioned holding plate.
According to the present invention 4, except the present invention's 2 or 3 effect, also because with holding plate, and existing cutting knife supporting seat clamping suture top side on Sewing machines, so can be with simple structure maintenance suture.
In addition, because the retaining hole that suture is passed holding plate, and, the upper face side clamping suture of side and holding plate support component below holding plate, thus excessive thread tension when making can be resisted reliably, extremely beneficial in practicality.
The present invention's 5 is 4 described Sewing machiness according to the present invention, it is characterized in that:
Above-mentioned maintaining body, can when making beginning, the top side of above-mentioned suture be remained on the holding position of regulation, and when the top of above-mentioned suture side is lax, above-mentioned holding plate is moved further from above-mentioned holding position, makes the above-mentioned holding plate support component of top side direction of above-mentioned suture close.
According to the present invention 5, except the present invention's 4 effect, for example also have, button around root knot Shu Shi etc., cloth is dropped to cutting knife supporting seat side, then the top side of suture will relax between cloth and cutting knife supporting seat.At this moment, holding plate is moved further from the holding position, makes the top side direction holding plate support component of above-mentioned suture close, can remove the lax of suture top side, make the top side of suture be in the state of comparison tensioning with this.
Therefore, when sewing finishing, can will be in tensioning state suture top side, with each cutting knife cut-out.Thereby, can not hang on each cutting knife and can not be cut off because of suture top side is lax.In addition, the position that is cut off of suture top side is roughly stablized, further reduce deviation from the knotting part to the suture length dimension at top.
Description of drawings
Fig. 1 is the stereoscopic figure of the chain sitch sewing machine of one embodiment of the invention.
Fig. 2 is the partial perspective view of the Sewing machines of expression rotary driving part and maintaining body.
Fig. 3 is dismantle each cutting knife under the needle plate state and the approximate three-dimensional map of holding plate.
Fig. 4 is that expression is passed each cutting knife of state of holding plate retaining hole and the approximate three-dimensional map of holding plate with the top side of suture.
Fig. 5 is expression with each cutting knife of the top side state of holding plate and sliding panel clamping suture and the approximate three-dimensional map of holding plate.
Fig. 6 is each cutting knife of suture position relation of expression knotting side and the approximate three-dimensional map of holding plate.
Fig. 7 is that expression is cut off suture top side and each cutting knife of knotting side state and the approximate three-dimensional map of holding plate with each cutting knife.
Fig. 8 is each cutting knife of each cutting knife rendezvous mode of expression and the approximate vertical view of holding plate.
Fig. 9 is expression with each cutting knife of the top side state of holding plate and sliding panel clamping suture and the approximate vertical view of holding plate.
Figure 10 is that expression moves holding plate and each cutting knife of traction sutures top side state and the approximate vertical view of holding plate.
Figure 11 is the local summary side elevation that the expression suture is made the Sewing machines of state.
Figure 12 is illustrated in the local summary side elevation of implementing on the suture around the Sewing machines of root treatment state.
Figure 13 is the calcspar of Sewing machines schematic configuration.
Among the figure: 1-chain sitch sewing machine, 4-eedle, 5-needle plate, 6-suture, 6a-top part, the 6b-terminal part, 7-the 1st cutting knife, 8-the 2nd cutting knife, 9-cylinder, 10-cut off uses connecting rod, the 11-holding plate, the 11a-retaining hole, the 12-sliding panel, the 13-impulse motor, 14-keeps using connecting rod.
The specific embodiment
Sewing machines 1 shown in Figure 1, be as an example with the single line chain type stitching at the button sewing machine of making nail catcher on the thing and implementing to make around root, be provided with: have and constitute Sewing machines top and the head of sewing machine 1a that extends of direction and constitute the Sewing machines bottom and the Sewing machines base plate 1b that extends of direction and see that from the side its profile slightly is the sewing machine frame 1c of コ font forwards, backwards forwards, backwards.And, this Sewing machines 1, have be located at Sewing machines base plate 1b side, with the lower plate that contacts below 3 of cloth 2 be located at head of sewing machine 1a side and the pin hole that passes suture arranged and carry out the eedle of making 4 of cloth 2 with motion up and down.
In addition, this Sewing machines 1 as Figure 11 and shown in Figure 12, has the needle plate 5 and the water caltrop 5b that is disposed at needle plate 5 belows of the lower plate of being configured in 3 belows.The pin hole 5a that can pass the eedle 4 that moves up and down is arranged on needle plate 5.That is,, tangle suture 6, and swing water caltrop 5b corresponding to moving up and down of eedle 4 repeatedly, on cloth 2, implement making with the single line chain type stitching of suture 6 with this with water caltrop 5b at the downside of cloth 2.Rotate the driving mechanism of water caltrop 5b, its structure is with well-known the same in the past, so do not do detailed description at this.
On the Sewing machines 1 of present embodiment, as shown in figure 12, when in the knotting of the inboard of cloth, the top side of suture 6 (below, be called top part 6a), and the knotting side of suture 6 (below, be called terminal part 6b) be in the state that passes pin hole 5a and extend downwards.
As shown in Figure 8, the 1st cutting knife 7, and the 2nd cutting knife 8 can be supported on flexibly rotationally as below the needle plate 5 of cutting knife supporting seat.The gathering sill 7a that is bent to form is arranged on the 1st cutting knife 7, and insert the pin 8a that is formed at the 2nd cutting knife 8 sides.That is, in the present embodiment, constitute interlinked mechanism, the rotation of the 2nd cutting knife 8 and the 1st cutting knife 7 is rotated linkedly with gathering sill 7a and pin 8a.In the present embodiment, be when the 1st cutting knife 7 when a direction is rotated, the structure that the 2nd cutting knife 8 just rotates to other direction.
As shown in Figure 8, on the 1st cutting knife 7, formed the breach 7b that accommodates the suture 6 that extends from the inboard of cloth 2 downwards, on the 2nd cutting knife 8, seen from above in the part of joining with breach 7b to have formed cut-out blade 8b.In the present embodiment, breach 7b and cut off blade 8b is the structure of joining below the pin hole 5a of needle plate 5.That is,, then reach the 2nd cutting knife 8 and just rotate to other direction if the 1st cutting knife 7 rotates to a direction, and the breach 7b of the 1st cutting knife 7 summary to the left and right direction move, and the cut-out blade 8b of the 2nd cutting knife 8 moves to the opposite direction with scarce 7b.The suture 6 that passes pin hole 5a from cloth 2 inboards and extend downwards moves and intersects slightly being centre position (junction position) to approaching direction mutually by each cutting knife 7,8, and clamps cut-out by each cutting knife 7,8.This junction position with sewn object lateral shakes such as buttons the time, preferably is positioned on the horizontal line that intersects vertically by its swing range pars intermedia.
As shown in Figures 2 and 3, on the 1st cutting knife 7, connecting the other end of a distolateral cut-out that is connected with cylinder 9 with connecting rod 10.In the present embodiment, cut off with connecting rod 10 forwards, backwards direction extend, and by the driving of cylinder 9, make cut off with connecting rod 10 forwards, backwards direction move.That is, cylinder 9 and cut-out constitute the rotary driving part that rotates the 1st cutting knife 7 with connecting rod 10.
In the present embodiment, as shown in Figure 3, below the 1st cutting knife 7, be provided with holding plate 11 and holding plate 11 can be slidably supported flexibly in top sliding panel 12.As shown in Figure 2, holding plate 11 is connected with the other end of a distolateral maintenance that is connected impulse motor 13 sides by a plurality of connecting rods with connecting rod 14.In the present embodiment, keep with connecting rod 14 forwards, backwards direction extend, and with the rotation of impulse motor 13 make keep with connecting rod 14 forwards, backwards direction move.That is, in the present embodiment, make holding plate 11, have impulse motor 13 and keep using connecting rod 14 to the travel mechanism that slightly moves in horizontal direction.In addition, in the present embodiment, maintaining body has this travel mechanism, holding plate 11 and sliding panel 12.
In addition, holding plate 11 as shown in Figure 4, is can be from the structure of sliding panel 12 to the lower side protrusion of pin hole 5a.At this moment, on holding plate 11, formed the retaining hole 11a that can pass suture 6, and from sliding panel 12 under the state that the lower side of pin hole 5a is protruded, being in suture 6 can be by the pin hole 5a and the state of extension downwards.
In addition, as shown in figure 13, this Sewing machines 1, the control part 100 that the suture 6 that have with cylinder 9, impulse motor 13, make eedle drive division 15 that eedle 4 moves up and down, make cloth drive division 16, the lower plate drive division 17 that makes lower plate 3 knee-actions that cloth 2 moves to horizontal direction, makes eedle 4 is connected to the close Unwinding line mechanism 18 of supply side.Below, the action of this control part 100 is described.
At first, as original state, the cut-out blade 8b of the breach 7b of the 1st cutting knife 7 and the 2nd cutting knife 8 is in the state that leaves mutually.Under this state, begin to make, when top part 6a such as Fig. 4 and shown in Figure 9 pass the retaining hole 11a of holding plate 11 after, driving pulse motor 13 with holding plate 11 to sliding panel 12 side shiftings.Therefore, as shown in Figure 5, use the following and sliding panel 12 top clamping top part 6a of holding plate 11, and top part 6a is remained on the holding position of sliding panel 12.
Subsequently, control eedle drive division 15 and cloth drive division 16 are implemented making of regulation on cloth 2, and in the inboard of cloth 2 suture 6 are tied a knot.And, the terminal part 6b when knotting, as shown in Figure 6, it is positioned at the side of sliding panel 12.At this moment, even when making, on suture 6, apply excessive tension force, also top part 6a can be remained on the holding position of sliding panel 12.In the present embodiment, use as illustrated in fig. 11 the single line chain type stitching with Button nail after on the cloth 2, as shown in figure 12, cloth 2 is moved upward, and is at suture 6, between button and cloth 2 and under the state of horizontal direction tensioning, implements to handle and knotting around root with lower plate 3.
After the root processing finishes, with lower plate 3 cloth 2 is moved downwards, at this moment, top part 6a and terminal part 6b are lax.At this, as shown in figure 10, holding plate 11 is further moved from the holding position and make top part 6a rely on sliding panel 12 sides, by Unwinding line mechanism 18 terminal part 6b is drawn to supply side.With this, eliminate the lax of top part 6a and terminal part 6b, make top part 6a and terminal part 6b be in the state of comparison tensioning.
Then, as shown in Figure 7, drive cylinder 9, the 1st cutting knife 7 and the 2nd cutting knife 8 are rotated linkedly, and cut off top part 6a and terminal part 6b simultaneously with the 1st cutting knife 7 and 8 clampings of above-mentioned the 2nd cutting knife.That is, no matter top part 6a and terminal part 6b are suspended to the 1st cutting knife 7 of rotation and the 2nd cutting knife 8 on which, all can be in the junction position that moves to the 1st cutting knife 7 and the 2nd cutting knife 8 with the cutting knife that tangles, after, clamped and cut off by the 1st cutting knife 7 and the 2nd cutting knife 8.
Like this, according to the Sewing machines 1 of present embodiment, the position of top part 6a and terminal part 6b, no matter be, still in the 2nd cutting knife 8 sides, always at two cutting knifes 7 in the 1st cutting knife 7 sides, 8 junction position is cut off, and can reduce from knotting part to top and the deviation of the length dimension of terminal suture 6.
In addition, according to the Sewing machines 1 of present embodiment, owing to top part 6a can be remained on sliding panel 12 sides, so when making, even when on suture 6, applying excessive tension force, can when making, the top side of suture 6 not extracted from cloth yet, can make reliably.
In addition,, can cut off the knotting side and the top side of suture 6 simultaneously, can shorten significantly and make making the time of thing, and can reduce the manufacturing cost of making thing with the once action of the 1st cutting knife 7 and the 2nd cutting knife 8 according to the Sewing machines 1 of present embodiment.
In addition, according to the Sewing machines 1 of present embodiment,, can keep suture 6 with simple structure owing to use the top side of holding plate 11 and sliding panel 12 clamping sutures 6.In addition, suture 6 can be passed the retaining hole 11a of holding plate 11, and following side and sliding panel 12 upper face side clamping sutures 6 with holding plate 11 so can resist the tension force of suture excessive when making 6 reliably, are very advantageous in practicality.
In addition, in the above-described embodiments, shown is the Sewing machines 1 that the present invention is applicable to the single line chain type stitching, even but make on cloth with other method, also can obtain effect the same and effect with the foregoing description.
In addition, in the above-described embodiments, that shown is the retaining hole 11a that suture 6 is passed holding plate 11, and with sliding panel 12 and holding plate 11 clamping sutures 6, keep suture 6 like this, but the sheet of controlling of for example a pair of mutual separable contact also can be set, and control sheet with two and control suture, keep suture with this.
In addition, in the above-described embodiments, the mechanism that shown is moves holding plate 11 with the driving of impulse motor 13, but also can holding plate 11 be moved with cylinder etc.And, the structure that shown is rotates the 1st cutting knife 7 with cylinder 9, but also can the 1st cutting knife 7 be rotated with impulse motor etc.
In addition, in the above-described embodiments, shown is the structure that makes the 1st cutting knife 7 and the 2nd cutting knife 8 interlocks with gathering sill 7a and pin 8a, but also can be with connecting rod with each cutting knife 7,8 connections also make its interlock, certainly, also can suitably change other concrete detail structure.
(invention effect)
Such as above detailed description, according to the present invention 1, no matter the position of suture knotting side is the 1st Cutting knife side or the 2nd cutting knife side can both be cut off in the junction position of each cutting knife, can reduce from beating Knot is assigned to the deviation of terminal suture length dimension.
According to the present invention 2, except the present invention's 1 effect, also because can be with the beginning of suture Distolaterally remain on holding plate support component side, so when making, even applied mistake at suture During big tension force, the top side of suture can not extracted out from cloth, can make reliably.
According to the present invention 3, except the present invention's 2 effect, and the position of suture top side No matter put, be in the 1st cutting knife side or the 2nd cutting knife side, can both be cut in the junction position of each cutting knife Break, and can reduce the deviation of the suture length dimension from knotting section to top.
In addition, with the one-off of the 1st cutting knife and above-mentioned the 2nd cutting knife, can cut off simultaneously suture and beat Knot side and top side can shorten significantly and make making the time of thing, and can reduce and make thing Manufacturing cost.
According to the present invention 4, except the present invention's 2 or 3 effect, can also be with simple knot Structure keeps the top side of suture, and can resist reliably the excessive thread tension when making, in practicality In extremely beneficial.
According to the present invention 5, except the present invention's 4 effect, and can be because of suture top Side is lax and do not hang on each cutting knife and can not cut off, can make suture top side to be cut off the position big Cause stablely, can further reduce the deviation of the suture length dimension from knotting part to the top side.

Claims (3)

1. Sewing machines, it is characterized in that, be provided with: be supported on the 1st cutting knife on the cutting knife supporting seat rotationally, be supported on the 2nd cutting knife on the described cutting knife supporting seat rotationally, with the rotary driving part that described the 1st cutting knife is rotated to a direction, and the interlinked mechanism that makes the rotation interlock of described the 2nd cutting knife and described the 1st cutting knife and this second cutting knife is rotated to other direction; The top side of described suture is remained on the maintaining body of cutting knife supporting seat side, wherein,
When sewing finishing, keep the top side of described suture by described maintaining body, drive described rotary driving part, described the 1st cutting knife and described the 2nd cutting knife are joined, thereby cut off the knotting side and the top side of described suture simultaneously.
2. Sewing machines according to claim 1, it is characterized in that: described maintaining body, have: the holding plate that is formed with the retaining hole of passing described suture top side, with described holding plate can be supported superincumbent holding plate support component flexibly movably, and can be with described holding plate to the travel mechanism that moves slightly in horizontal direction;
When making beginning, described suture top side is passed the described retaining hole of the described holding plate that protrudes from the end of described holding plate support component, and by described travel mechanism with described holding plate to described holding plate support component side shifting, with the top side of this described suture of upper face side clamping of side and described holding plate support component below described holding plate.
3. Sewing machines according to claim 2, it is characterized in that: described maintaining body, when making beginning, the top side of described suture is remained on the holding position of regulation, and when the top of described suture side is lax, described holding plate is moved further from described holding position, the described holding plate support component of the top side direction side of described suture is close.
CNB031251595A 2002-05-14 2003-05-13 Sewing machine Expired - Fee Related CN100396838C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002138346A JP3969574B2 (en) 2002-05-14 2002-05-14 sewing machine
JP2002138346 2002-05-14

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CN1458323A CN1458323A (en) 2003-11-26
CN100396838C true CN100396838C (en) 2008-06-25

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3981691B2 (en) * 2005-05-10 2007-09-26 クインライト電子精工株式会社 Automatic binding machine
JP5074071B2 (en) * 2007-03-29 2012-11-14 Juki株式会社 Sewing machine with button
JP5074070B2 (en) * 2007-03-29 2012-11-14 Juki株式会社 Sewing machine with button
CN101100794B (en) * 2007-07-25 2013-11-27 启翔针车(上海)有限公司 Sewing machine
TWI597401B (en) * 2016-09-14 2017-09-01 啟翔股份有限公司 Thread Retaining Mechanism of Sewing Machine
CN107841834B (en) * 2016-09-19 2020-01-10 启翔股份有限公司 Thread holding mechanism of sewing machine

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5333565A (en) * 1992-10-30 1994-08-02 Mim Industries, Inc. Thread cutting via reciprocating arm with pockets and a trimming plate
JP2757534B2 (en) * 1990-05-18 1998-05-25 ブラザー工業株式会社 Automatic thread trimming sewing machine
CN1316561A (en) * 2000-04-04 2001-10-10 重机公司 Button-sewing machine
JP2001321589A (en) * 2000-05-16 2001-11-20 Juki Corp Thread cutter for eyelet stitching sewing machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2757534B2 (en) * 1990-05-18 1998-05-25 ブラザー工業株式会社 Automatic thread trimming sewing machine
US5333565A (en) * 1992-10-30 1994-08-02 Mim Industries, Inc. Thread cutting via reciprocating arm with pockets and a trimming plate
CN1316561A (en) * 2000-04-04 2001-10-10 重机公司 Button-sewing machine
JP2001321589A (en) * 2000-05-16 2001-11-20 Juki Corp Thread cutter for eyelet stitching sewing machine

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