CN102634939A - Thread cutter for button sewing machine - Google Patents
Thread cutter for button sewing machine Download PDFInfo
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- CN102634939A CN102634939A CN2012100525119A CN201210052511A CN102634939A CN 102634939 A CN102634939 A CN 102634939A CN 2012100525119 A CN2012100525119 A CN 2012100525119A CN 201210052511 A CN201210052511 A CN 201210052511A CN 102634939 A CN102634939 A CN 102634939A
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- knife
- cutter mechanism
- needlework
- wire
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B3/00—Sewing 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
- D05B3/12—Sewing 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
- D05B3/14—Sewing 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
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
- D05B65/02—Devices for severing the needle or lower thread controlled by the sewing mechanisms
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- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a thread cutter for a button sewing machine. After a button sewing step and/or wire winding step is finished, a cutter mechanism which is formed through openably integrating a fixed cutter and a movable cutter is driven to swing from a side position of a needle plate to the lower position of the needle plate. Furthermore the needle wire which is provided on a fixed cutter hooks a guiding part for guiding the needle wire part to the edge part. Furthermore the needle wire is cut through slide contact function between the edge parts of the movable cutter and the fixed cutter, wherein, the needle wire part is in two needle wire parts which generate and keep an approximate triangular annular shape between needle buckle wires and/or winding buckle wire and bent needle and is at the side that is connected with the end of the needle buckle wire and/or the winding buckle wire. Therefore, sliding contact performance between the movable cutter and the fixed cutter can be easily and approximately adjusted. Furthermore appropriate sliding contact performance can be maintained for reliably cutting off the preset needle wire part when the length of the needle stub is short and the appearance is better.
Description
Technical field
The present invention relates to a kind of being installed on various buttons seams such as flat button, marble button are followed closely the thread cutting device with the button attaching machine on the cloth of clothes etc. in man for example, Ms; The thread cutting device of this button attaching machine comprises cutter mechanism; Above-mentioned cutter mechanism finishes back cut-out needlework part in nail catcher operation and/or winding process; Wherein, In above-mentioned winding process; With wire-wound to the button and the periphery of the nail catcher line between the cloth that are pinned to through nail catcher operation seam on the cloth, reinforcing the nail catcher line, above-mentioned needlework partly be the nail catcher line and/or around buckle two needlework of forming between line and the looper and being held in the ring-type of leaning on the general triangular that upper width narrows down gradually more partly in, the needlework part of the side that links to each other with the nail catcher line and/or around the end of buckleing line.
Background technology
Thread cutting device as this button attaching machine; At present; The general use widely a kind ofly moves back and forth through the horizontal plane of driving movable cutting knife along the needle plate bottom point-blank, will form and be held in the thread cutting device that the needlework of a side partly cut off that links to each other in two needlework parts of ring-type of general triangular, with the nail catcher line and/or around the end of buckleing line.
Yet; Under the present general widely used situation of utilizing the thread cutting device that the movable cutting knife of thin-walled carries out the crush-cutting type; For the needlework that are not applied with stronger tension force, shakiness are partly brought into play reliable sharpness, need the movable cutting knife of sharp thin-walled that uses cutting blade such.Therefore, the knife-edge of movable cutting knife is because of the use tipping of short time, breakage etc., thereby sharpness is reduced rapidly.In addition, when sharpness reduces, receive the pressing force of movable cutting knife and the needlework that should cut off part is pressed and crooked under needle plate; Therefore; The off-position of needlework part can be offset to the position of leaning on the below apart from the end of nail catcher line, and consequently, the end of a thread length is elongated; It is very showy that the needlework that this residue is long partly expose the surface of cloth, makes degraded appearance easily.
In addition; For the end of a thread length is shortened; With the reciprocal driving mobile route of movable cutting knife set the lower surface of as close as possible needle plate; But if set like this; Then be easy to generate following unfavorable condition: the narrow that ring top in two needlework parts of general triangular ring-type will formed and be held in to the such movable cutting knife of sharp thin-walled of similar cutting blade cuts off, and consequently, can two needlework parts that comprise the formation ring of inserting the logical needlework that need not the cut off part that remains in pinprick be cut off together.
For solving above-mentioned unfavorable condition; As the applicant the spy of the open communique of Japanese Patent Laid of submit applications open 2010-188106 number disclosed; A kind of thread cutting device that comprises cutter mechanism has been proposed, this cutter mechanism by the movable cutting knife that can be between the side location of the lower position of needle plate and needle plate back and forth drives swing along horizontal plane and fixing (formation) in needle plate and can with the fixed cutting tool formation of above-mentioned movable cutting knife sliding-contact.
Above-mentioned Japanese Patent Laid is opened the cutter mechanism that the 2010-188106 communique puts down in writing and is adopted following structure: when movable cutting knife by driving and from the side location of needle plate when the lower position of needle plate is swung forward; The major part of the annular space below of the general triangular that entering is partly formed by two needlework; With the needlework part of the side that links to each other in two needlework part, with the nail catcher line and/or around the end of buckle line relatively on the top drawing lead, and utilize the sliding-contact effect cut-out of movable cutting knife and fixed cutting tool above-mentioned on the needlework part led of drawing.
Yet; Open in the disclosed thread cutting device of 2010-188106 communique in above-mentioned Japanese Patent Laid, movable cutting knife is installed on reciprocal driving mobile member, and fixed cutting tool is fixed (formation) in needle plate; That is to say; Movable cutting knife and fixed cutting tool are separated from one another, in addition, also are installed on different members respectively.Therefore, be difficult to regulate sliding-contact suitably,, can carry out the sliding-contact action swimmingly so that the knife-edge portion of two cutting knifes does not have the gap each other and can not take place that knife-edge portion collides each other etc. and interferes each other.In order to regulate the sliding-contact each other of two cutting knife knife-edge portions, not only to the manufacturing machining accuracy of two cutting knifes, also manufacturing and the assembly precision to member that two cutting knifes are installed requires high precision.Suppose; When the manufacturing of the manufacturing machining accuracy of two cutting knifes and their installation component and assembly precision produce minimum error; Two cutting knife knife-edge portion sliding-contact degradations each other, thus cause that easily generation knife-edge portions wrong or two cutting knifes collide and unfavorable conditions such as damage each other on the tangent line of regulation.
In addition; Even regulated the sliding-contact performance suitably in the assembling starting stage; But produces in the knife-edge portion wearing and tearing that make two cutting knifes because of tangent line repeatedly or because of the wearing and tearing of cutting knife installation component etc. under the situation about becoming flexible etc., also have sliding-contact performance variation and the such problem of above-mentioned unfavorable condition takes place in the early stage gradually.
Summary of the invention
The present invention does in view of above-mentioned actual conditions; Its purpose is to provide a kind of knife-edge portion sliding-contact performance each other that can regulate movable cutting knife and fixed cutting tool easily suitably; And can long term maintenance suitable sliding-contact performance, thereby can reliable and online head length degree short, outward appearance is only cut off the thread cutting device of button attaching machine of the needlework part of regulation preferably under the state.
For realizing above-mentioned purpose; The thread cutting device of button attaching machine of the present invention is the thread cutting device that comprises cutter mechanism, and after nail catcher operation and/or winding process end, this cutter mechanism cuts off needlework part; Wherein, In above-mentioned nail catcher operation, utilize moving up and down of pin to make on cloth, in above-mentioned winding process with the interlock effect that the rotatablely moves formation stitching of looper and with button; Make pin alternately drop on the position, the left and right sides of nail catcher line peripheral part; And will around the button wire-wound to the nail catcher line reinforcing the nail catcher line, above-mentioned needlework partly be the nail catcher line and/or around buckle two needlework of forming between line and the looper and being held in the ring-type of leaning on the general triangular that upper width narrows down gradually more partly in, the needlework part of the side that links to each other with the nail catcher line and/or around the end of buckleing line, the characteristic of the thread cutting device of this button attaching machine is; Above-mentioned cutter mechanism can move back and forth between the side location of the lower position of needle plate and needle plate; And can make fixed cutting tool and movable cutting knife open closed, wherein, the said fixing cutting knife has the sharp-pointed needlework of front end and hooks guide part; When the lower position of above-mentioned cutter mechanism from the side location of needle plate towards needle plate moves forward; Above-mentioned needlework hook the annular space part that guide part gets into the general triangular that is partly formed by above-mentioned two needlework, hook the needlework part of the side that links to each other with above-mentioned nail catcher line and/or around the end of buckleing line, and it is guided to knife-edge portion; Above-mentioned movable cutting knife through fulcrum shaft with the mode pivot suspension that can swing in the base end side of said fixing cutting knife; And partly cut off through being hooked the needlework that guide part hooked and guided to knife-edge portion by above-mentioned needlework with the sliding-contact effect of the knife-edge portion of fixed cutting tool, the thread cutting device of above-mentioned button attaching machine also comprises: actuator, and the above-mentioned cutter mechanism integral body of this actuator moves back and forth between the lower position of the side of above-mentioned needle plate location and above-mentioned needle plate; And the switching oscillating control mechanism of movable cutting knife; When utilizing above-mentioned actuator to make above-mentioned cutter mechanism move forward near the terminal of reciprocal driving mobile route; The switching oscillating control mechanism of this movable cutting knife makes above-mentioned movable cutting knife swing towards a direction is closed around above-mentioned fulcrum shaft; With with the knife-edge portion sliding-contact of said fixing cutting knife, in addition, when utilizing above-mentioned actuator to make above-mentioned cutter mechanism move near the initiating terminal of reciprocal driving mobile route backward; The switching oscillating control mechanism of this movable cutting knife makes above-mentioned movable cutting knife open swing around above-mentioned fulcrum shaft towards other direction, with the sliding-contact of releasing with the knife-edge portion of said fixing cutting knife.
According to having the thread cutting device of the button attaching machine of the present invention of feature structure as stated, after nail catcher operation and/or winding process finish, move forward through the lower position of actuator cutter mechanism integral body from the side location of needle plate towards needle plate.Along with driving forwards of this cutter mechanism is mobile; The needlework that fixed cutting tool had hook the major part that ways gets into the annular space below of the general triangular that is partly formed by two needlework; Capture desire and cut off a needlework part of side, i.e. link to each other with the nail catcher line and/or around the end of the buckleing line needlework part of a side, and it is guided to the knife-edge portion of fixed cutting tool.In addition; In the time of near cutter mechanism integral body arrives the terminal that drives forwards mobile route; Movable cutting knife under the control of oscillating control mechanism around the fulcrum shaft of fixed cutting tool base end side towards the closed swing of a direction, with to the knife-edge portion effect of fixed cutting tool identical sliding-contact effect when handing scissors as closed procedure.By this, the needlework part that guides to fixed cutting tool knife-edge portion is cut off at the narrower position of width of the annular space of above-mentioned general triangular.Therefore, can partly cut off than the needlework that only will cut off side under the short state by reliable and online head length degree, thereby can improve the outward appearance behind the nail catcher.
In addition, owing to be not crush-cutting through movable cutting knife, but the knife-edge portion sliding-contact each other through movable cutting knife and fixed cutting tool is used for shearing the needlework part, therefore, but need not to use the such sharp thin-walled moving knife of cutting blade as movable cutting knife.Therefore, tipping, breakage etc. are considerably less, even long-time continuous is used, also can guarantee the tangent line performance of stipulating.
And; As stated; Base end side at fixed cutting tool has movable cutting knife through fulcrum shaft with the mode pivot suspension that can swing, therefore, is not the structure that fixed cutting tool and movable cutting knife separate and be installed on respectively diverse location; But driving on one side moves back and forth with the cutter mechanism integral body that the state one that can open and close is assembled with fixed cutting tool and movable cutting knife; Shear on one side the structure of the needlework part that is directed between two cutting knifes, therefore, can be easily the knife-edge portion of movable cutting knife and fixed cutting tool be adjusted to suitable sliding-contact performance each other in the assembling stage; And can suppress the situation that the above-mentioned suitable sliding-contact performance that regulates reduces along with use, can the suitable sliding-contact performance of long term maintenance.
Therefore; Can the sharpness of cutter mechanism be remained better; And make the replacement of cutting knife, the cycle of maintenance become very long, thus, played following effect: can correspondingly cut down the time that is used for maintenance management; And can when realizing that operating cost reduces, only cut off the needlework part of regulation under the state that reliable and online head length degree is short, outward appearance is preferable.
In the thread cutting device of button attaching machine of the present invention; Comparatively it is desirable to; Above-mentioned cutter has spring, and this spring flexibly is pressed into fixed cutting tool from the axial of above-mentioned fulcrum shaft with above-mentioned movable cutting knife, is held in the Elastic Contact state each other with the knife-edge portion with two cutting knifes.
In this case; The elastic force that can utilize spring is held in the Elastic Contact state each other with the knife-edge portion of fixed cutting tool and movable cutting knife, in the assembling starting stage, can stably keep the suitable sliding-contact performance that regulates; After long-term the use, also can bring into play the tangent line performance of regulation reliably.
In addition; In the thread cutting device of button attaching machine of the present invention; Comparatively it is desirable to, the switching oscillating control mechanism of above-mentioned movable cutting knife has: projection piece, and this projection piece is outstanding integratedly towards the side that moves back and forth the path of cutter mechanism from the base end part of above-mentioned movable cutting knife; And a pair of abutting part; This a pair of abutting part near the terminal that moves back and forth the path of above-mentioned cutter mechanism and near the initiating terminal from above-mentioned needle plate towards below fixing sagging; Because along with whole the moving back and forth of above-mentioned cutter mechanism; Therefore above-mentioned projection piece and above-mentioned a pair of abutting part butt can become above-mentioned movable Cutter Control around fulcrum shaft to open and close swing towards an above-mentioned direction and above-mentioned other direction.
In this case, for the sliding-contact of two cutting knifes of realizing cutter mechanism and remove sliding-contact, needn't use special actuator.Therefore, can realize being assembled with the reduction of the whole manufacturing cost of simplification, densification and the thread cutting device of structure of chain-drive section of cutter mechanism.
In addition; In the thread cutting device of button attaching machine of the present invention; Comparatively it is desirable to; Above-mentioned cutter mechanism adopts following structure: being configured in that the inner lead-in wire axle of chain-drive section is supported to can be that the leading section of the swing arm that freely swings of center is equipped with fixed cutting tool with the axle center of this lead-in wire spool; Base end side at this fixed cutting tool has movable cutting knife with the mode pivot suspension that can swing, is the center swing through the above-mentioned swing arm of above-mentioned actuator with the axle center of above-mentioned lead-in wire axle, thereby drives cutter mechanism integral body reciprocally swinging between the lower position of the side of above-mentioned needle plate location and above-mentioned needle plate.
In this case; Can effectively utilize existing lead-in wire axle as being used for cutter mechanism is assembled into chain-drive section inside; And drive the supporting member that this cutter mechanism stably moves back and forth along certain path, by this, can simplify the assembling of cutter mechanism and be used for the structure of operating stably.
In addition; In the thread cutting device of button attaching machine of the present invention, comparatively it is desirable to, also comprise the take-up hook; This take-up hook can move with respect to the path advance and retreat that move up and down of above-mentioned pin, and the needlework part after after above-mentioned nail catcher operation finishes, will being cut off by above-mentioned cutter mechanism is pushed aside to oblique back upper place.
In this case, after the nail catcher operation finishes, can sagging cut-off parts push aside with the oblique back upper place of mode court that does not influence cutter mechanism and move.Therefore, can successfully transfer to winding process after the nail catcher operation.
In addition, in the thread cutting device of button attaching machine of the present invention, comparatively it is desirable to, above-mentioned cutter mechanism is moved along horizontal plane or generally horizontal plane linear reciprocation between the lower position of the side of above-mentioned needle plate location and above-mentioned needle plate by above-mentioned actuator.
In this case; Can will be decreased to Min. for the expectation space (thickness) that cutter mechanism is moved back and forth on required space, the especially above-below direction; By this; Also need not to make special improvement such as chain-drive section maximization for the space that is provided with of guaranteeing cutter mechanism, thus further reduction, the densification of the manufacturing cost of easy implement device integral body.
In addition; In the thread cutting device of button attaching machine of the present invention; Comparatively it is desirable to; The said fixing cutting knife have with the upwardly extending installation board in side of the knife-edge portion quadrature of this fixed cutting tool, slotted hole and the hold-down screw of said fixing cutting knife through being formed at this installation board is can be installed on the leading section of above-mentioned swing arm in the mode of the axis direction adjusted position of above-mentioned lead-in wire axle.
In this case, no matter the thickness of the button of object, the thickness of line (number class) etc. are made in conduct is any size, can both capture the needlework part that desire is cut off reliably, thereby can carry out tangent line reliably, well under the state of online head length degree than weak point.
In addition; In the thread cutting device of button attaching machine of the present invention; Comparatively it is desirable to, on above-mentioned lead-in wire axle, lead-in wire spare is installed, this lead-in wire part is crankmotion around the axle center of above-mentioned lead-in wire axle; So that form and the middle part branch that remains in the two needlework part between cloth and the looper gather concentrated, and the path that pumps that makes the part midway gathered depart from above-mentioned pin.
Further feature structure of the present invention and effect can be able in following illustrated embodiment clearly.
Description of drawings
Fig. 1 is the summary overall perspective view of the coiling button-sewing machine of expression embodiment of the present invention.
Fig. 2 is that the major part of above-mentioned coiling button-sewing machine is the whole exploded perspective view of thread cutting device.
Fig. 3 is the front view of major part of the assembled state of the above-mentioned thread cutting device of expression.
Fig. 4 (a), Fig. 4 (b) are the action specification figure of the nail catcher operation of above-mentioned coiling button-sewing machine.
Fig. 5 (a), Fig. 5 (b) are the action specification figure of the winding process of above-mentioned coiling button-sewing machine.
Fig. 6 (a)～Fig. 6 (f) is the figure of action of the oscillating control mechanism of the movable cutting knife of explanation.
Fig. 7 (a)～Fig. 7 (d) explains that successively the thread cutting device of the coiling button-sewing machine that utilizes embodiment carries out the amplification stereogram of the major part of thread cutting action.
Fig. 8 is after being illustrated in the winding process end of above-mentioned coiling button-sewing machine, utilizes the amplification stereogram of the major part of the state after thread cutting device cuts off line.
(symbol description)
1 coiling button-sewing machine
3 pins
9 loopers
10 nail catcher lines
12a, 12b needlework part
13 thread cutting devices
14 movable cutting knifes
14a knife-edge portion
The 14b projection piece
15 needle plates
16 fixed cutting tools
16a knife-edge portion
The 16b needlework hook guide part
19 fulcrum shafts
21 cutter mechanisms
22 cylinders (actuator)
The switching oscillating control mechanism of 23 movable cutting knifes
26 swing arms
31a, a pair of abutting member of 31b (abutting part)
33 lead-in wire axles
37 around the button line
The B button
The W cloth
The annular space of S general triangular
The specific embodiment
Below, with reference to accompanying drawing embodiment of the present invention is described.
Fig. 1 is the summary overall perspective view of the coiling button-sewing machine of expression embodiment of the present invention.Fig. 2 is that the major part of above-mentioned coiling button-sewing machine is the whole exploded perspective view of thread cutting device.Fig. 3 is the front view of major part of the assembled state of the above-mentioned thread cutting device of expression.Fig. 4 (a), Fig. 4 (b) are the action specification figure of the nail catcher operation of above-mentioned coiling button-sewing machine.Fig. 5 (a), Fig. 5 (b) are the action specification figure of the winding process of above-mentioned coiling button-sewing machine.
As shown in Figure 1; The coiling button-sewing machine 1 of this embodiment adopts following structure: be provided with pin 3; This pin 3 pumps along certain path through the lift drive mechanism of being located in the horn 2 (not shown); In addition; Front part in the path that pumps of this pin 3 is provided with cloth keeper 4, cloth guide 5, button keeper 6, cloth pressing piece 47, take-up hook 7 etc.; Wherein, the cloth W (with reference to Fig. 4～Fig. 6, Fig. 8) that above-mentioned cloth keeper 4 will stitch nail button B (with reference to Fig. 4～Fig. 6, Fig. 8) is placed on the path that pumps of pin 3 with the state that is converted into two foldings, the cloth W that is converted into two foldings that 5 guiding of above-mentioned cloth guide set along horizontal plane about transversely move; Above-mentioned button keeper 6 is clamped from both sides radially and is kept button B; Above-mentioned cloth pressing piece 47 is pushed cloth W from oblique upper when nail catcher, above-mentioned take-up hook 7 can move with respect to the path advance and retreat that pump of above-mentioned pin 3, and after the nail catcher operation finishes, the needlework part 12b (with reference to Fig. 7) behind the tangent line is pushed aside to oblique back upper place.Because these inscapes are well-known, therefore omit its detailed description.
Be provided with looper 9, thread cutter 13 and lead-in wire axle (Japanese: yarn is posted the セ axle) 33 in the inside of the chain-drive section 8 that is disposed at above-mentioned horn 2 lower portion; Wherein, the curved needle shaft 9A that had with the axle center of the path quadrature that pumps of above-mentioned pin 3 of above-mentioned looper 9 drives and back and forth rotation.Shown in Fig. 4 (b),, carry out the nail catcher operation through the interlock effect that rotatablely moves with this looper 9 of pumping of above-mentioned pin 3; Shown in Fig. 5 (b), after the nail catcher operation, carry out winding process in addition through the pin 3 and the interlock effect of looper 9; Wherein, In above-mentioned nail catcher operation, form stitching and button B is sewn on the cloth W, in above-mentioned winding process; Pin 3 is alternately dropped on the position, the left and right sides of nail catcher line 10 peripheral parts, and will around button line 37 around to nail catcher line 10 to reinforce nail catcher line 10.
After the nail catcher operation shown in Fig. 4 (a), Fig. 4 (b) finishes; Thread cutting device 13 is breaking at the needlework part 12a of the side that links to each other among two needlework part 12a forming between nail catcher line 10 and the looper 9 and be held in the ring-type of the general triangular that narrows down gradually the closer to upper width, the 12b, with the end of nail catcher line 10; In addition; Behind the winding process shown in Fig. 5 (a), Fig. 5 (b), thread cutting device 13 is breaking among two needlework part 37a between button line 37 and looper 9, forming and be held in the ring-type of the general triangular that narrows down gradually the closer to upper width, the 37b, with the needlework part 37a of the side that links to each other around the end of buckleing line 37.
Above-mentioned thread cutting device 13 comprises: cutter mechanism 21, and this cutter mechanism 21 is made up of fixed cutting tool 16 and movable cutting knife 14; Cylinder 22, this cylinder 22 is as driving above-mentioned cutter mechanism 21 integral body actuator along the direction of arrow x-y reciprocally swinging of Fig. 3 between the lower position of the side location of the needle plate 15 that has the 15a of pin portion and needle plate 15; And movable cutting knife oscillating control mechanism 23, this movable cutting knife oscillating control mechanism 23 can switch to the movable cutting knife 14 that makes above-mentioned cutter mechanism 21 with respect to the closure state of sliding-contact ground swing on the online cutting direction of the 16a of knife-edge portion of fixed cutting tool 16 with make movable cutting knife 14 remove the open mode of sliding-contact ground swing in non-cutting direction from the 16a of knife-edge portion of fixed cutting tool 16.
In detail; Like Fig. 2 and shown in Figure 3; Above-mentioned cutter mechanism 21 constitutes the ability open closed by fixed cutting tool 16, movable cutting knife 14 and spring 20; Wherein, above-mentioned movable cutting knife 14 through fulcrum shaft 19 with the mode pivot suspension that can swing in the base end side of said fixing cutting knife 16, above-mentioned spring 20 is flexibly pushed two cutting knifes 16,14 two cutting knifes 16,14 are held in the state of Elastic Contact from above-below direction.On fixed cutting tool 16, be formed with the sharp-pointed needlework of front end and hook guide part 16b; When the integral body of cutter mechanism 21 lower position from the side location of needle plate 15 towards needle plate 15 is swung forward when moving along the arrow y direction of Fig. 3; These needlework hook the annular space part S that guide part 16b gets into the general triangular that is formed by above-mentioned two needlework part 12a, 12b or 37a, 37b; Hook the needlework part 12a or the 37a of a side, and it is guided the 16a of knife-edge portion that moves to fixed cutting tool 16 successively.
Said cylinder 22 is configured to outside outstanding towards the side of chain-drive section 8, and is supported on by screw 25 and is fixed on the erecting bed 24 on the extension 15b of needle plate 15.Direction with the axis quadrature of above-mentioned curved needle shaft 9A and lead-in wire axle 33 moves back and forth the movable rod 22a of this cylinder 22 point-blank on outside edge, the side of chain-drive section 8 along with the expanding-contracting action of cylinder 22.
On the above-mentioned lead-in wire axle 33 in being disposed at above-mentioned chain-drive section 8, it can be the swing arm (cutting knife platform) 26 that the center freely swings with the axle center of this lead-in wire axle 33 that pivot suspension maintains.The elongated slot 27 that between the two sides of the axis direction that is formed with the axle 33 that going between on this swing arm 26, runs through.
Lead-in wire part (Japanese: yarn is posted the セ tool) (not shown) is installed on lead-in wire axle 33; This lead-in wire part is around the axle center crankmotion of this lead-in wire axle 33; So that form and the middle part branch that remains in two needlework part 12a between cloth W and the looper 9,12b is gathered concentratedly, and the path that pumps that makes the part midway gathered depart from pin 3 is because the structure and the effect of this lead-in wire spare are well-known; Therefore, omit its detailed explanation and diagram.
Cutting knife platform pressing member 28 arranged in that the front end of the movable rod 22a of said cylinder 22 is fixedly connected.This cutting knife platform pressing member 28 constitutes along with the expanding-contracting action of cylinder 22 can reciprocatingly slide mobile on the width of chain-drive section 8 along the lower surface of the extension 15b of above-mentioned needle plate 15.At the leading section of the cutting knife platform pressing member 28 that is positioned at above-mentioned chain-drive section 8, in the elongated slot that is formed at above-mentioned swing arm 26 27, maintain with the state that can relatively move and insert logical pin 29 along the long side direction of this elongated slot 27.
The fixed cutting tool 16 of above-mentioned cutter mechanism 21 have with the side upwardly extending installation board 16c of the 16a of knife-edge portion quadrature.Slotted hole 16d and the hold-down screw 30 of fixed cutting tool 16 through being formed at above-mentioned installation board 16c is can be installed on the leading section of above-mentioned swing arm 26 in the mode of the axis direction adjusted position of above-mentioned lead-in wire axle 23.According to said structure; When cylinder 22 expanding-contracting actions; Cutting knife platform pressing member 28 back and forth drives point-blank and moves, and the reciprocal driving locomotivity of this cutting knife platform pressing member 28 is passed to swing arm 26 via pin 29 and elongated slot 27, and this swing arm 26 be actuated to go between axis of axle 33 is the center reciprocally swinging; Through the reciprocal driving swing of this swing arm 26, cutter mechanism 21 is whole driven can be between the lower position of the side of needle plate 15 location and needle plate 15 reciprocally swinging.
In addition; On the movable cutting knife 14 of above-mentioned cutter mechanism 21, formed projection piece 14b; The 14a of knife-edge portion of this projection piece 14b and movable cutting knife 14 is quadrature and outstanding towards the side in the whole reciprocally swinging path of cutter mechanism 21 roughly; On the other hand, near the terminal in the reciprocally swinging path of above-mentioned cutter mechanism 21 and near the initiating terminal, from fixing sagging abutting member 31a, the 31b that has as a pair of abutting part of the following table faced downwards of above-mentioned needle plate 15; By this, the switching oscillating control mechanism 23 that the switching that utilizes above-mentioned projection piece 14b and a pair of abutting member 31a, 31b to constitute the movable cutting knife 14 of the above-mentioned cutter mechanism 21 of control is swung.Also can form stage portion in the lower surface portion of needle plate 15, and with the end face of this stage portion as abutting part, with as an abutting member 31a among a pair of abutting member 31a, the 31b.
Fig. 6 (a)～Fig. 6 (f) is that explanation utilization opens and closes the figure that oscillating control mechanism 23 makes above-mentioned movable cutting knife 14 on-off actions.In the switching oscillating control mechanism 23 of above-mentioned movable cutting knife 14; Shown in Fig. 6 (a), Fig. 6 (b); When above-mentioned cutter mechanism 21 is rocked near the terminal in reciprocal driving swing path forward, an abutting member 31a butt among the projection piece 14b of above-mentioned movable cutting knife 14 and above-mentioned a pair of abutting member 31a, the 31b.Behind this butt; Cutter mechanism 21 further continues to be rocked to the terminal in reciprocal driving swing path; Shown in Fig. 6 (d); Movable cutting knife 14 is controlled so as to around fulcrum shaft 19 closed towards a direction, and the 14a of knife-edge portion, the 16a of two cutting knifes 14,16 of cutter mechanism 21 are in slidable contact with each other, and needlework part 12a or 37a are cut off (shearing).
In addition, shown in Fig. 6 (e), when above-mentioned cutter mechanism 21 is rocked near the initiating terminal in reciprocal driving swing path backward, the projection piece 14b of above-mentioned movable cutting knife 14 and another abutting member 31b butt.Behind this butt; Cutter mechanism 21 further continues to be rocked to the initiating terminal in reciprocal driving swing path; Shown in Fig. 6 (f); Movable cutting knife 14 is controlled so as to around fulcrum shaft 19 and opens swing towards other direction, and the 14a of knife-edge portion, the 16a of two cutting knifes 14,16 of cutter mechanism 21 are disengaged sliding-contact each other, thereby return back to next cut-out holding state.
Then, nail catcher operation and winding process finished the thread cutting action that back and winding process finish back thread cutting device 13 as the nail catcher action of a circulation and nail catcher operation describe the coiling button-sewing machine 1 that adopts the embodiment of structure as stated.
Shown in Fig. 4 (a), Fig. 4 (b), in the nail catcher operation after this coiling button-sewing machine 1 has just begun to move, form stitching through the pumping of pin 3 and the interlock effect that rotatablely moves of looper 9, the button B seam is pinned on the cloth W that is converted into two foldings.Then, at the time point that the nail catcher operation of stipulating pin number finishes, the action of beginning thread cutting device 13.
The thread cutting action of this thread cutting device 13 is shown in Fig. 7 (a)～Fig. 7 (d).Promptly; Shown in Fig. 7 (a); After the nail catcher operation just finishes, between nail catcher line 10 and looper 9, the needlework part 12a of the side that links to each other with the end of nail catcher line 10 with insert the logical needlework part 12b that remains in pin 3 leading section pinpricks and formed and be held in the ring-type of getting over the general triangular that narrows down gradually by upper width; And; Shown in Fig. 6 (a), the cutter mechanism 21 of thread cutting device 13 is disengaged under the open mode of sliding-contact at the 14a of knife-edge portion, the 16a of two cutting knifes 14,16 each other, in two needlework part 12a of the ring-type that is formed at the general triangular below the above-mentioned needle plate 15, the side location standby of 12b.
Then; Cylinder 22 is driven and is extended; The elongation driving force of its movable rod 22a is via cutting knife platform pressing member 28 and sell 29 and be passed to swing arm 26, thus drive this swing arm 26 and cutter mechanism 21 with the axle center of lead-in wire axle 33 be the center from above-mentioned side location swing forward towards the lower position of needle plate 15.Shown in Fig. 7 (b); The swing that drives forwards along with this cutter mechanism 21; The needlework that the front end of fixed cutting tool 16 is sharp-pointed hook the major part that ways 16b gets into the annular space S below of the general triangular that is formed by two needlework part 12a, 12b; Catch desire and cut off a needlework part of side, i.e. link to each other with the nail catcher line 10 ends needlework part 12a of a side, and the needlework part 12a that this captures is guided to the 16a of knife-edge portion.Shown in Fig. 6 (b), Fig. 6 (c), fixed cutting tool 16 and movable cutting knife 14 are kept the open mode that the 14a of knife-edge portion, 16a are disengaged sliding-contact each other, till forming this state.
Then, in the time of near cutter mechanism 21 arrives the terminal that drives forwards the swing path, shown in Fig. 6 (c), projection piece 14b and an abutting member 31a butt of movable cutting knife 14.Then; Behind this butt; Cutter mechanism 21 further continues to be rocked to the terminal in reciprocal driving swing path, and shown in Fig. 6 (d) and Fig. 7 (c), movable cutting knife 14 is controlled so as to around fulcrum shaft 19 towards the closed swing of a direction; The 14a of knife-edge portion, the 16a of two cutting knifes 14,16 of cutter mechanism 21 are in slidable contact with each other, and cut off (shearing) above-mentioned needlework part 12a at the narrow and small position of the width of the annular space S of above-mentioned general triangular.
(line cuts off the back) subsequently; Said cylinder 22 is driven and is shunk; Its driving force by movable rod 22a via cutting knife platform pressing member 28 and sell 29 and be passed to swing arm 26, thereby drive this swing arm 26 shown in Fig. 6 (d) with the axle center of lead-in wire axle 33 be the center from the lower position of needle plate 15 towards the side portion swing forward.By this, shown in Fig. 6 (e) and Fig. 7 (d), cutter mechanism 21 leaves needlework part 12a, 12b.At this moment, another needlework part 12b that is cut off because of cut-out is pushed aside by the side, rear in the path that pumps of 7 maintenances of take-up hook and the above-mentioned pin 3 of court.
Then, in the time of near above-mentioned cutter mechanism 21 arrives the initiating terminal that drives forwards the swing path, the projection piece 14b of above-mentioned movable cutting knife 14 and another abutting member 31b butt.Then; Behind this butt; Cutter mechanism 21 further continues to be rocked to the initiating terminal that drives forwards the swing path, and shown in Fig. 6 (f), movable cutting knife 14 is controlled so as to around fulcrum shaft 19 to be swung towards other direction; The 14a of knife-edge portion, the 16a of two cutting knifes 14,16 of cutter mechanism 21 are disengaged sliding-contact each other, thus the open mode of returning back to.
Then, if the nail catcher operation and the thread cutting action of regulation pin number finishes, then 6 rotations of button keeper are roughly 90 °, with respect to the cloth W vertical posture of button B when switching to winding process, and be transferred to winding process.
Shown in Fig. 5 (a), Fig. 5 (b), in this winding process, pin 3 is alternately fallen the position, the left and right sides of nail catcher line 10 peripheral parts, through with the interlock effect that rotatablely moves of looper 9, will be around button line 37 successively around to nail catcher line 10, to reinforce nail catcher line 10.
Then; When the winding process of regulation pin number finishes; Above-mentioned thread cutting device 13 begins action once more; Carry out the thread cutting action that the 16a of knife-edge portion, 14a sliding-contact effect each other of fixed cutting tool 16 and movable cutting knife 14 through cutter mechanism 21 will cut off with the needlework part 37a of the side that links to each other around the end of buckleing line 37,, so omit its detailed description and diagram because the thread cutting action of the thread cutting action of this winding process after finishing after finishing with above-mentioned nail catcher operation is identical.
As stated; According to thread cutting device 13 of the present invention; After the nail catcher operation finishes back and winding process end; Along with being the center with the fulcrum of needle plate 15 side portions, the integral body of this cutter mechanism 21 drives forwards swing towards the lower position of needle plate 15; The needlework that the fixed cutting tool 16 of cutter mechanism 21 is had hook the major part that guide part 16b gets into the annular space S below of the general triangular that is formed by two needlework part 12a, 12b, catch desire and cut off a needlework part of side, promptly reach the needlework part 12a of the side that links to each other around the end of buckleing line 37 with nail catcher line 10, and this needlework part 12a is guided to the 16a of knife-edge portion of fixed cutting tool 16.Then; Along with the swing that drives forwards of ensuing cutter mechanism 21, the needlework part 12a that is directed to the 16a of knife-edge portion is cut off (shearing) because of the sliding-contact effect of movable cutting knife 14 and the 16a of knife-edge portion of fixed cutting tool 16 at the narrow and small position of width of the annular space S of above-mentioned general triangular.Therefore, can correctly only cut off the needlework part 12a that needs to cut off side reliably.
In addition, when observing under the state of for example trying behind winding process, as shown in Figure 8; Only will cut into the state of lacking very much with the length of exposing cloth W surface of the needlework part 37a of the side that links to each other around button line 37 ends; Therefore, the end of a thread is showy hardly, thereby can improve the outward appearance behind the nail catcher.
In addition; It or not the cut-out that only utilizes movable cutting knife 14; But utilize the 14a of knife-edge portion of movable cutting knife 14 and fixed cutting tool 16,16a sliding-contact each other to be used for cutting off needlework part 12a and 37a, therefore, but need not to use the such very sharp moving knife of cutting blade as movable cutting knife 14.Therefore, tipping, breakage etc. are considerably less, even long-time continuous is used, also can guarantee the tangent line performance of stipulating.
In addition; In cutter mechanism 21; Movable cutting knife 14 through fulcrum shaft 19 to open and close the mode pivot suspension swung in the base end side of fixed cutting tool 16; Not to separate with movable cutting knife and be installed on the cutter mechanism of different parts respectively, but drive, and will guide to the needlework part 12a of 16,14 of two cutting knifes and the cutter mechanism that 37a cuts off the whole reciprocally swinging of fixed cutting tool 16 with movable cutting knife 14 assembling all-in-one-piece cutter mechanisms 21 like existing document 1 fixed cutting tool; Therefore; Can the knife-edge portion of two cutting knifes 16,14 easily be adjusted to suitable sliding-contact performance each other in the assembling stage that is assembled into chain-drive section 8 cutter mechanisms 21 before inner, and can suppress the situation that this suitable sliding-contact performance that regulates reduces along with use, thus can the suitable sliding-contact performance of long term maintenance.
Therefore; Can the sharpness of cutter mechanism 21 be remained better; And make the replacement of movable cutting knife 14, the cycle of maintenance become very long, thus, can correspondingly cut down the time that is used for maintenance management; And can be when realizing that operating cost reduces, reliable and online head length degree is short and only cut off the needlework part of regulation under the state that outward appearance is preferable.
Especially; Shown in above-mentioned embodiment; Fixing sagging a pair of abutting member 31a, 31b constitutes towards the below because the switching oscillating control mechanism 23 of movable cutting knife 14 is by the projection piece 14b that gives prominence to from movable cutting knife 14 one with from needle plate 15; Therefore; For the sliding-contact of two cutting knifes 14,16 of realizing cutter mechanism 21 and remove sliding-contact, need not to assemble special actuator etc., thereby can realize being assembled with the reduction of manufacturing cost of simplification, densification and thread cutting device integral body of structure of the chain-drive section 8 of cutter mechanism 21.
In addition; As above-mentioned embodiment; Move in order cutter mechanism 21 to be constituted between the lower position of the side of needle plate 15 location and needle plate 15, back and forth to drive; It is the leading section of the swing arm 26 of center swing that cutter mechanism 21 is installed on the axis of being located at the inner lead-in wire axle 33 of chain-drive section 8, so that cutter mechanism 21 integral body can be that the center back and forth drives swing with the axle center of lead-in wire axle 33, thereby can effectively utilize existing lead-in wire axle 33 as cutter mechanism 21 being assembled into chain-drive section 8 supporting member when inner; By this, can further simplify the assembling of cutter mechanism 21 and be used for the structure of operating stably.
In addition, because the fixed cutting tool 16 of cutter mechanism 21 is installed on swing arm 26 with mode that can adjusting position, therefore, can not stitched the nail object is that the thickness of button B, number class of line etc. influence ground, and online head length degree carries out tangent line under the state of weak point.
In the above-described embodiment; To cutter mechanism 21 is installed at the leading section that can be the swing arm 26 that freely swings of center with the axle center of lead-in wire axle 33, and this cutter mechanism 21 is made as can be that the situation that the center back and forth drives swing is illustrated with the axle center of lead-in wire axle 33, but be not limited thereto.
For example, also can cutter mechanism 21 be constituted and in chain-drive section 8, to be rotated the such actuator of cam and to move along horizontal plane or generally horizontal plane linear reciprocation.In this case; Can be decreased to Min. for making cutter mechanism 21 back and forth drive the expectation space of moving on required space, the especially above-below direction; By this; Need not to make special improvement such as chain-drive section 8 maximizations for the space that is provided with of guaranteeing cutter mechanism 21, thus further reduction, the densification of the manufacturing cost of easy implement device integral body.
In addition; In the above-described embodiment; Situation to finishing in the nail catcher operation all to make thread cutting device 13 actions carry out thread cutting action after back or winding process finish is illustrated; But for example in not having the button attaching machine of winding process, when only after the nail catcher operation finishes, carrying out thread cutting action, also can likewise move and play same effect with top.
Claims (8)
1. the thread cutting device of a button attaching machine; Comprise cutter mechanism, after nail catcher operation and/or winding process end, this cutter mechanism cuts off needlework part; Wherein, In said nail catcher operation, utilize pumping of pin to make on cloth, in said winding process with the interlock effect that the rotatablely moves formation stitching of looper and with button; Make pin alternately drop on the position, the left and right sides of the nail catcher line peripheral part after the nail catcher operation; And will around the button wire-wound to the nail catcher line reinforcing the nail catcher line, said needlework partly be the nail catcher line and/or around buckle two needlework of forming between line and the looper and being held in the ring-type of leaning on the general triangular that upper width narrows down gradually more partly in, the needlework part of the side that links to each other with the nail catcher line and/or around the end of buckleing line
The thread cutting device of said button attaching machine is characterised in that,
Said cutter mechanism can move back and forth between the side location of the lower position of needle plate and needle plate; And can make fixed cutting tool and movable cutting knife open closed; Wherein, said fixed cutting tool has the sharp-pointed needlework of front end and hooks guide part, when the lower position of said cutter mechanism from the side location of needle plate towards needle plate moves forward; Said needlework hook the annular space part that guide part gets into the general triangular that is partly formed by said two needlework; Hook the needlework part of the side that links to each other with said nail catcher line and/or around the end of buckleing line, and it guided to knife-edge portion, said movable cutting knife through fulcrum shaft with the mode pivot suspension that can swing in the base end side of this fixed cutting tool; And partly cut off through being hooked the needlework that guide part hooked and guided to knife-edge portion by said needlework with the sliding-contact effect of the knife-edge portion of fixed cutting tool
The thread cutting device of said button attaching machine also comprises: actuator, and the said cutter mechanism integral body of this actuator moves back and forth between the lower position of the side of said needle plate location and said needle plate; And the switching oscillating control mechanism of movable cutting knife; When utilizing said actuator to make said cutter mechanism move forward near the terminal of reciprocal driving mobile route; The switching oscillating control mechanism of this movable cutting knife makes said movable cutting knife swing towards a direction is closed around said fulcrum shaft; With with the knife-edge portion sliding-contact of said fixed cutting tool, in addition, when utilizing said actuator to make said cutter mechanism move near the initiating terminal of reciprocal driving mobile route backward; The switching oscillating control mechanism of this movable cutting knife makes said movable cutting knife open swing around said fulcrum shaft towards other direction, with the sliding-contact of releasing with the knife-edge portion of said fixed cutting tool.
2. the thread cutting device of button attaching machine as claimed in claim 1 is characterized in that,
Said cutter mechanism has spring, and this spring flexibly is pressed into fixed cutting tool from the axial of said fulcrum shaft with said movable cutting knife, and the knife-edge portion of two cutting knifes is held in the Elastic Contact state each other.
3. the thread cutting device of button attaching machine as claimed in claim 1 is characterized in that,
The switching oscillating control mechanism of said movable cutting knife has: projection piece, and this projection piece is outstanding integratedly towards the side that moves back and forth the path of cutter mechanism from the base end part of said movable cutting knife; And a pair of abutting part; This a pair of abutting part near the terminal that moves back and forth the path of said cutter mechanism and near the initiating terminal from said needle plate towards below fixing sagging; Along with whole the moving back and forth of said cutter mechanism; Said projection piece and said a pair of abutting part butt, thus said movable Cutter Control is become around fulcrum shaft towards a said direction and said other direction switching swing.
4. the thread cutting device of button attaching machine as claimed in claim 1 is characterized in that,
Said cutter mechanism adopts following structure: being configured in that the inner lead-in wire axle of chain-drive section is supported to can be that the leading section of the swing arm that freely swings of center is equipped with fixed cutting tool with the axle center of said lead-in wire axle; Base end side at this fixed cutting tool has movable cutting knife with the mode pivot suspension that can swing; Is the center swing through the said swing arm of said actuator with the said axle center that goes between axle, thereby can drive cutter mechanism integral body reciprocally swinging between the lower position of the side of said needle plate location and said needle plate.
5. the thread cutting device of button attaching machine as claimed in claim 1 is characterized in that,
Also comprise the take-up hook, this take-up hook can move with respect to the path advance and retreat that move up and down of said pin, and after said nail catcher operation finishes, will be pushed aside to oblique back upper place by the needlework part that said cutter mechanism cuts off.
6. the thread cutting device of button attaching machine as claimed in claim 1 is characterized in that,
Said cutter mechanism is moved along horizontal plane or generally horizontal plane linear reciprocation between the lower position of the side of said needle plate location and said needle plate by said actuator.
7. the thread cutting device of button attaching machine as claimed in claim 4 is characterized in that,
Said fixed cutting tool have with the upwardly extending installation board in side of the knife-edge portion quadrature of said fixed cutting tool; Slotted hole and the hold-down screw of said fixed cutting tool through being formed at this installation board is can be installed on the leading section of said swing arm in the mode of the axis direction adjusted position of said lead-in wire axle.
8. the thread cutting device of button attaching machine as claimed in claim 4 is characterized in that,
On said lead-in wire axle, lead-in wire spare is installed; This lead-in wire part is around the axle center crankmotion of said lead-in wire axle; So that form and the middle part branch that remains in the two needlework part between cloth and the looper gather concentrated, and the path that pumps that makes the part midway gathered depart from said pin.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011046957A JP5446014B2 (en) | 2011-02-14 | 2011-02-14 | Thread trimmer for sewing machine with button |
| JP2011-046957 | 2011-02-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102634939A true CN102634939A (en) | 2012-08-15 |
| CN102634939B CN102634939B (en) | 2015-08-19 |
Family
ID=46579830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210052511.9A Expired - Fee Related CN102634939B (en) | 2011-02-14 | 2012-02-13 | The thread cutting device of button attaching machine |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5446014B2 (en) |
| CN (1) | CN102634939B (en) |
| DE (1) | DE102012202096A1 (en) |
| TR (1) | TR201201489A2 (en) |
| TW (1) | TWI523987B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107048553A (en) * | 2017-06-19 | 2017-08-18 | 阜宁县鑫虎机械有限公司 | A kind of cutting apparatus manufactured for button-sewing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05192482A (en) * | 1991-06-01 | 1993-08-03 | Brother Ind Ltd | Thread sweeping and holding device for sewing machine |
| JPH05269284A (en) * | 1992-03-24 | 1993-10-19 | Juki Corp | Thread cutting device for sewing machine |
| KR20020090143A (en) * | 2001-05-23 | 2002-11-30 | 쥬키 가부시키가이샤 | Thread cutting device of sewing machine |
| CN101805964A (en) * | 2009-02-18 | 2010-08-18 | 大和缝纫机制造株式会社 | Thread trimming device of button-sewing machine |
-
2011
- 2011-02-14 JP JP2011046957A patent/JP5446014B2/en active Active
-
2012
- 2012-02-06 TW TW101103733A patent/TWI523987B/en active
- 2012-02-10 TR TR2012/01489A patent/TR201201489A2/en unknown
- 2012-02-13 DE DE201210202096 patent/DE102012202096A1/en not_active Withdrawn
- 2012-02-13 CN CN201210052511.9A patent/CN102634939B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05192482A (en) * | 1991-06-01 | 1993-08-03 | Brother Ind Ltd | Thread sweeping and holding device for sewing machine |
| JPH05269284A (en) * | 1992-03-24 | 1993-10-19 | Juki Corp | Thread cutting device for sewing machine |
| KR20020090143A (en) * | 2001-05-23 | 2002-11-30 | 쥬키 가부시키가이샤 | Thread cutting device of sewing machine |
| CN101805964A (en) * | 2009-02-18 | 2010-08-18 | 大和缝纫机制造株式会社 | Thread trimming device of button-sewing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107048553A (en) * | 2017-06-19 | 2017-08-18 | 阜宁县鑫虎机械有限公司 | A kind of cutting apparatus manufactured for button-sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| TR201201489A2 (en) | 2012-06-21 |
| JP5446014B2 (en) | 2014-03-19 |
| TW201241261A (en) | 2012-10-16 |
| CN102634939B (en) | 2015-08-19 |
| JP2012166000A (en) | 2012-09-06 |
| TWI523987B (en) | 2016-03-01 |
| DE102012202096A1 (en) | 2012-08-16 |
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