CN101041923A - Buttonhole sewing machine - Google Patents
Buttonhole sewing machine Download PDFInfo
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- CN101041923A CN101041923A CN 200710087298 CN200710087298A CN101041923A CN 101041923 A CN101041923 A CN 101041923A CN 200710087298 CN200710087298 CN 200710087298 CN 200710087298 A CN200710087298 A CN 200710087298A CN 101041923 A CN101041923 A CN 101041923A
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Abstract
A buttonhole sewing machine of the invention sews on the processing cloth (17) according to the kinds of buttonhole seams selected from various buttonhole seams. The buttonhole sewing machine is provided with a detector (32) and a prohibiting mechanism (9), wherein the detector (32) detects whether the processing cloth (17) is arranged in the position corresponding to the selected buttonhole seam kind. If the detection result of the detector (32) is not corresponding to the selected buttonhole seam kind, the prohibiting mechanism (9) stops sewing.
Description
Technical field
The present invention relates to a kind of button holing sewing machine that can carry out polytype keyhole seam to the processing cloth.
Background technology
In the prior art, in the button holing sewing machine of uses such as sewing factory, the kind that has can be carried out polytype keyhole seam to the processing cloth.For example, Japan Patent discloses the button holing sewing machine shown in the communique 2004 No. 173783.This button holing sewing machine has: such as keep known sewing mechanism and cutter mechanisms such as processing cloth and the cloth pushing table that moves, shank, bending needing mechanism on X, Y direction.Cutter mechanism forms buttonholes such as tack eye (straight shape buttonhole) or round end eye automatically on the processing cloth of being arranged on the cloth pushing table.The kind of above-mentioned keyhole seam comprises: forming the round end eye on the processing cloth and at the tack keyhole seam that forms round end keyhole seam of needle tracking around it, forms the tack eye and form tack keyhole seam of needle tracking around it and do not form the tack eye on the processing cloth etc.By selected desired keyhole seam kind by user (operator) operating operation panel, button holing sewing machine just carries out the sewing action of this kind keyhole seam automatically.
This button holing sewing machine can be carried out the sewing action of a plurality of keyhole seams by predefined reiteration, promptly carries out the sewing action by so-called circulation slit die formula.Under this circulation slit die formula, carry out following making sometimes, for example, on the processing cloth that constitutes the western-style clothes predecessor, form the round end keyhole seam of buttonhole two buttonhole positions, and partly do not form the tack keyhole seam (with reference to Fig. 7) of buttonhole at collar.In this case, by preestablish " round end keyhole seam ", " round end keyhole seam ", " anophthalmia tack keyhole seam " such program by the operator, can carry out these sewing actions automatically repeatedly.
But, sew with the circulation of afore mentioned rules that there are the following problems for the Sewing machines of action, that is, and when the operator occurs arranging on cloth pushing table will make a mistake in the position of processing cloth when wrong to judgement of above-mentioned each order.When using the Sewing machines of prior art,, then can occur in the sewing mistake that the place that should carry out round end keyhole seam has been carried out tack keyhole seam or carried out round end keyhole seam in the place that should carry out tack keyhole seam in case such mistake occurs.Under a kind of wrong situation of sewing after the generation, can cause whole processing cloth to cancel because of having separated buttonhole in the collar portion that should not form buttonhole originally.
Summary of the invention
The object of the present invention is to provide a kind of button holing sewing machine, it can carry out polytype keyhole seam, and can prevent from the processing cloth is carried out stitching diverse keyhole seam with the keyhole that should carry out originally.
For example, how the button holing sewing machine that uses in sewing factory carries out the keyhole seam in the following way: promptly, to being cut to the processing cloth of regulation shape in advance, at the keyhole seam of assigned position (predetermined position) kind that puts rules into practice (predetermined kind) of this processing cloth.In this case, arrange the position of processing cloth and the keyhole seam kind that should sew between exist corresponding relation.The present invention promptly is conceived to the existence of this corresponding relation and adopts following structure and achieve the above object.
The present invention is a kind of button holing sewing machine, it is according to the keyhole seam kind of selecting from polytype keyhole seam, to the action of sewing of processing cloth, wherein, this button holing sewing machine has detector and forbids mechanism, described detector detects whether above-mentioned processing cloth is configured in and the corresponding position of selected keyhole seam kind, when the testing result of this detector and selected keyhole seam kind are not corresponding, describedly forbids mechanism disables sewing action.
Whether like this, detect the processing cloth by detector is arranged in and the corresponding position of selecting of keyhole seam kind.When the kind of stitching with keyhole when the position of arranging the processing cloth is not corresponding, can be by forbidding that mechanism forbids the sewing action.Therefore, when the operator is wrong to the layout appearance of processing cloth, can moves by forbidding that mechanism forbids sewing, thereby can prevent from advance to stitch at the keyhole of his kind of the enterprising Xingqi of processing cloth.In other words, can obtain following remarkable result, that is, can prevent from the processing cloth is carried out stitching diverse keyhole seam with the keyhole that should carry out originally.
Among the present invention, described polytype keyhole seam is included in round end keyhole seam that forms buttonhole on the processing cloth and the tack keyhole seam that does not form buttonhole.Like this, can prevent to form the buttonhole of round end keyhole seam in advance in the position of the tack keyhole seam that should not form buttonhole originally, thereby can not cause the waste of processing cloth.
Can have alarm mechanism in the structure of the present invention, when the testing result and the selected keyhole seam kind of above-mentioned detector were not corresponding, described alarm mechanism can be reported to the police.Like this, can give the operator with this advisory of positional fault of arranging the processing cloth.
Button holing sewing machine of the present invention can have circulation slit die formula, and described circulation slit die formula is carried out the sewing action of above-mentioned a plurality of keyhole seams by predefined order.Like this, by carrying out circulation slit die formula, when the sewing action of carrying out a plurality of keyhole seams by predefined order, make operator's operation become easy.In the implementation of circulation slit die formula, when the operator is wrong to the layout appearance of processing cloth, can be by forbidding that mechanism forbids the sewing action.
Keep the cloth pushing table of processing cloth to be provided with above-mentioned detector, this detector can be made of optical sensor, and this optical sensor to whether having the processing cloth on the above-mentioned cloth pushing table detects.Like this, detector can be constituted simply.Because of optical sensor can carry out location change with respect to above-mentioned cloth pushing table, so 1 optical sensor can be corresponding with the variform multiple situation of processing cloth.
Button holing sewing machine of the present invention also has the fixed part that is used to keep the installing component of above-mentioned optical sensor and is used for fixing above-mentioned installing component, and said fixing portion is arranged on the two ends of above-mentioned cloth pushing table, and above-mentioned installing component is dismantled and assembled with respect to said fixing portion.Because of will keep the installing component of above-mentioned optical sensor to be installed to the fixed part at above-mentioned two ends in optional mode, so also can be corresponding to the symmetrical situation of processing cloth (suit that the male sex uses and the women uses etc.).
Description of drawings
Fig. 1 is the right view of the sewing machine main body of expression an embodiment of the present invention.
Fig. 2 is the vertical view of cloth pushing table.
Fig. 3 be optical sensor and with the amplification stereogram of its neighbouring part.
Fig. 4 is the calcspar of expression control system structure.
Fig. 5 A is the enlarged drawing of round end buttonhole stitch, is illustrated in the example of the buttonhole stitch that forms on the processing cloth.
Fig. 5 B is the enlarged drawing of expression tack buttonhole stitch.
Fig. 6 is the front view of expression operating board structure.
Fig. 7 A is the vertical view when carrying out round end keyhole seam, the position relation of expression optical sensor, cloth pushing table and processing cloth.
Fig. 7 B is the vertical view when carrying out tack keyhole seam, the position relation of expression optical sensor, cloth pushing table and processing cloth.
Fig. 8 is the flow chart of the control procedure in the expression circulation slit die formula.
The specific embodiment
Below, describe with reference to accompanying drawing with regard to one embodiment of the present invention.In the present embodiment, the present invention has been applied on the electronics round end button holing sewing machine that can form round end buttonhole stitch and tack buttonhole stitch etc.
As shown in Figure 1, the sewing machine main body 1 of round end button holing sewing machine has: the support portion 2 that forms essentially rectangular case shape, the post portion 3 of extending upward, and (as left direction Fig. 1) horn portion 4 of extending from the top of this post portion 3 forwards from the rear portion (as the part on right side Fig. 1) of this support portion 2.This sewing machine main body 1 is arranged on the sewing machine table 5.
Above-mentioned sewing machine table 5 is provided with guidance panel 6 described later, only also be provided with simultaneously shown in Fig. 4 as the electrical motor of sewing machine 7 of the drive source of sewing mechanism and foot-operated startup shutdown switch (starting switch) 8 etc.As described later, on sewing machine table 5, also be provided with control device 9 etc., this control device 9 is made of the microcomputer etc. of each mechanism action of control.
In above-mentioned post portion 3, be provided with at left and right directions (perpendicular to the direction on the paper surface of Fig. 1) and go up the main shaft 10 that extends.This main shaft 10 rotates by the driving of above-mentioned electrical motor of sewing machine 7.Right lateral surface portion in above-mentioned post portion 3 is provided with handwheel 11, is used for by above-mentioned main shaft 10 is rotated.
Top ends in above-mentioned horn portion 4 is provided with the shank 13 with suture needle 12.The rotatory force of above-mentioned main shaft 10 is transmitted via not shown shank up-down mechanism (cam mechanism), moves up and down thereby drive above-mentioned shank 13.Shank 13 swings with the pin amplitude of oscillation of regulation by the effect of known needle bar swinging mechanism.The pin amplitude of oscillation of shank 13 can be adjusted freely by not shown guiding mechanism.By being arranged on the rotating mechanism 14 in the above-mentioned support portion 2, make shank 13 and looper pedestal 15 described later around vertical axle unitary rotation.
Upper surface part in above-mentioned horn portion 4 is provided with the wire tension adjustment unit 16 that is used for adjusting automatically upper thread tension force.Be supplied to above-mentioned suture needle 12 from not shown upper thread by wire tension adjustment unit 16 for line portion.
As shown in Figure 2, the upper surface part in above-mentioned support portion 2 is provided with the cloth pushing table 18 that keeps processing cloth 17 (with reference to Fig. 5, Fig. 7).Cloth pushing table 18 forms the thin rectangular shape box shape that lower surface opens wide.Under the state that keeps processing cloth 17, this cloth pushing table 18 moves by XY described later travel mechanism.As shown in Figure 1, support portion 2 is provided with the looper pedestal 15 relative with above-mentioned shank 13.Be equipped with the two-fold ring bending needing mechanism with two loopers on this looper pedestal 15, it illustrates omission.This bending needing mechanism is used for collaborative above-mentioned suture needle 12 and forms buttonhole stitch on processing cloth 17.Bottom line is fed on this bending needing mechanism.By the rotation of above-mentioned main shaft 10, drive bending needing mechanism (two loopers) and be synchronized with the movement corresponding to moving up and down of above-mentioned shank 13.
By the effect of rotating mechanism 14, looper pedestal 15 (bending needing mechanism) is to rotate around vertical axle with the synchronous mode of above-mentioned shank 13.As everyone knows, rotating mechanism 14 comprises θ direction drive motor 19 and gear mechanism etc., wherein, described θ direction drive motor 19 is made of set stepper motor in the support portion 2, and described gear mechanism is delivered to the driving force of θ direction drive motor 19 on shank 13 and the looper pedestal 15.As shown in Figure 2, be provided with needle plate 20 in the upper end of above-mentioned looper pedestal 15 with hole 20a.
In support portion 2, be positioned at the part of above-mentioned looper pedestal 15 rear sides, removable lower cutter 21 is installed.The upper end of this lower cutter 21 for example has the blade part 21a (with reference to Fig. 2) with round end eye correspondingly-shaped.The bottom of horn portion 4 (post portion a 3) side is provided with the hammer 22 that punching press is used, and described hammer 22 contacts with lower cutter 21 from the top or separates with it.The driving force of the cylinder 23 (with reference to Fig. 4) of this hammer 22 by being used for hammer and being driven up and down.On processing cloth 17, form round end eye 24 (with reference to Fig. 5 A) by hammer 22 and above-mentioned lower cutter 21.Polytype blade that the shape that above-mentioned lower cutter 21 has above-mentioned blade part 21a is different, thereby the blade of replaceable one-tenth expectation.
As shown in Figure 2, in the upper surface part of above-mentioned cloth pushing table 18, be provided with peristome 18a with lower cutter 21 corresponding positions.Be provided with pairing left and right presser feet 25[at the position, the left and right sides of cloth pushing table 18 18a of upper shed portion and only express outline with imaginary line (double dot dash line)], be used for pushing down processing cloth 17 from the top, it is not added detailed icon.This presser feet 25 is driven by the cylinder that is used for presser feet 26 (with reference to Fig. 4) of the inner surface side that is arranged at cloth pushing table 18 and can move up and down.
In support portion 2, be provided with known XY travel mechanism, be used to make cloth pushing table 18 on fore-and-aft direction (Y direction) and left and right directions (directions X), to move freely.This XY travel mechanism has directions X drive motors 27 (only illustrating) and Y direction drive motor 28 (only illustrating) in Fig. 4 in Fig. 4, described directions X drive motors 27 is constituted by being used to make cloth pushing table 18 go up the stepper motor that moves at directions X (left and right directions); Described Y direction drive motor 28 is constituted by being used to make cloth pushing table 18 go up the stepper motor that moves in Y direction (fore-and-aft direction).
The sewing mechanism that can form the polytype buttonhole stitch on processing cloth 17 comprises: above-mentioned shank 13, shank up-down mechanism, needle bar swinging mechanism, bending needing mechanism, rotating mechanism 14, cloth pushing table 18, XY travel mechanism etc.As depicted in figs. 1 and 2, the position that is in directly over the lower cutter 21 of the peristome 18a of cloth pushing table 18 is the origin position of cloth pushing table 18.On processing cloth 17, form the operation of round end eye 24, the operation of arranging and taking off this processing cloth 17 is all carried out at the origin position of cloth pushing table 18.
Above-mentioned cloth pushing table 18 is a metal system, and its upper surface (surface) is reverberation well.As shown in Figure 2, at the upper surface of cloth pushing table 18, be formed with installing hole (fixed part) 18b, 18b at the both ends, the left and right sides of rear end.In these two installing hole 18b, 18b, can the installing component 31 that aftermentioned sensor 32 is kept be installed in optional mode.
Below, with regard to the structure of the control system of the round end button holing sewing machine of present embodiment, describe with reference to the calcspar of Fig. 4.
The control device 9 of above-mentioned round end button holing sewing machine is that main body constitutes with the microcomputer.In the inside of this control device 9, CPU37, ROM38, RAM39, nonvolatile memory 40, input interface 42 and output interface 43 are interconnected by bus 41.
On above-mentioned input interface 42, the presser feet switch 44 that is connected with above-mentioned startup shutdown switch 8 and is used to indicate the decline of presser feet 25 to rise.On this input interface 42, also be connected with timing (timing) signal generator 45, guidance panel 6 and the optical sensor described later 32 etc. that detect main shaft 10 rotation phase.
On above-mentioned output interface 43, be connected with the drive circuit 49 of the drive circuit 46 of above-mentioned electrical motor of sewing machine 7, the drive circuit 47 of θ direction drive motor 19, the drive circuit 48 that is used for the cylinder 23 of hammer, directions X drive motors 27, the drive circuit 50 of Y direction drive motor 28, the drive circuit 51 that is used for the cylinder 26 of presser feet, guidance panel 6 and optical sensor 32 etc.
Storage (memory) has sewing control program etc. in above-mentioned ROM38.In above-mentioned nonvolatile memory 40, store sewing data and cyclic program described later etc.
According to the operation of user (operator) to aforesaid operations panel 6, above-mentioned control device 9 generates sewing data also with it storage.Control device 9 comes actuators such as each motor 7,19,27,28 of drive controlling and cylinder 23,26 according to sewing control program and above-mentioned sewing data, processing cloth 17 is carried out the sewing action of a series of keyhole seams.
The operator can come to select the type of expectation and carry out this program from polytype keyhole seam by operating operation panel 6.In addition, by operating operation panel 6, the operator also can set and be used to determine to carry out the cyclic program of polytype keyhole seam sewing sequence of movement repeatedly and carry out this cyclic program.
Fig. 6 represents the structure of aforesaid operations panel 6.Have selector switch 52 and reset switch 53 etc. in the left side of this guidance panel 6, described selector switch 52 can be selected whether form buttonhole and be chosen in the first butt formula of the preceding cutting of keyhole seam buttonhole or the back butt formula of cutting buttonhole in keyhole seam back for the operator.Right side at this guidance panel 6, key with the setting imported, these keys be used for to the selection of the selection of buttonhole stitch kind, round end eye 24 shapes, needle tracking width dimensions L, distance between needle point tracers P (pin number), have or not fixing seam of noose and kind thereof etc. to import setting.In the right side of this guidance panel 6, establish the input configuration part 54 of display part 54a on also having.Central portion at guidance panel 6 is provided with pattern configuration part 55, and described pattern configuration part 55 has the mode selecting key 55a that is used to set pattern.
In the present embodiment, as pattern, include automatic mode, test pattern, manual mode.In addition, as the setting pattern, include a plurality of patterns such as program schema, cyclic program pattern.
Automatic mode is the pattern of carrying out the action of a series of round end keyhole seam on processing cloth 17 automatically.Automatic mode has circulation slit die formula and independent slit die formula, and wherein, the sewing that described circulation slit die formula is carried out a plurality of keyholes seams with predefined order is moved, and only carries out the sewing action of (odd number) keyhole seam under the described independent slit die formula.Manual mode is the pattern of being sewed and moving by pin with manual mode rotating operation handwheel 11 by the operator.Test pattern is the pattern that makes cloth pushing table 18 and 15 actions of looper pedestal.
Program schema is the pattern that is used to set each keyhole seam program (single program).Under the situation of program schema, the operator operates with the selection of input buttonhole stitch kind and the selection of round end eye 24 shapes etc. input configuration part 54.The cyclic program pattern is to be used for setting a plurality of single programs pattern in proper order that circulation slit die formula is carried out.
With reference to Fig. 5, in polytype buttonhole stitch that the round end button holing sewing machine can carry out, the tack buttonhole stitch of selecting to form the round end buttonhole stitch 29 of buttonhole and do not form buttonhole 30 describes.Utilize western-style clothes predecessor (with reference to Fig. 7 A, Fig. 7 B), form round end buttonhole stitch 29 in the buttonhole position, two places of its regulation as processing cloth 17; Partly form tack buttonhole stitch 30 at collar.
The sewing of round end buttonhole stitch 29 is that (with reference to Fig. 7 A) carry out under the back side state outwardly of cloth 17 will processing on the cloth pushing table 18.As shown in Figure 5, round end eye 24 is made of line part 24a and the 24b of round end portion that is connected to the one end.Round end buttonhole stitch 29 forms with arrow A 1, the represented order of A2, A3 along this round end eye 24.Among the figure of the 24b of round end portion, the semi-circular portion of the first half forms needle tracking in radial mode.With regard to the formation of round end eye 24 on the processing cloth 17, first butt formula of just carrying out and the back butt formula of just carrying out are arranged after round end buttonhole stitch 29 forms before round end buttonhole stitch 29 forms.
The tack buttonhole stitch 30 that does not form buttonhole is formed at above-mentioned western-style clothes predecessor's collar part.This collar part turnover backward.Therefore, different with the situation of round end buttonhole stitch 29, the sewing of tack buttonhole stitch 30 is to carry out will processing on the cloth pushing table 18 under the surface state outwardly of cloth 17.Tack buttonhole stitch 30 forms with the represented order of arrow B 1, B2, B3 shown in Fig. 5 B.The needle tracking of one end of tack buttonhole stitch 30 (upper end among the figure) forms radial.
The width L of these buttonhole stitches 29,30 is corresponding with the pin amplitude of oscillation of shank 13.Fig. 5 A, Fig. 5 B have distinguished illustration in the fixing situation of stitching of the additional straight line noose of the sewing latter end of above-mentioned buttonhole stitch 29,30.The first stitch position N1 (interior pin) and the second stitch position N2 that have represented buttonhole stitch 29,30 separately among Fig. 5 A, Fig. 5 B.Particularly, when sewing, above-mentioned main shaft 10 rotates once, and 13 of shanks move up and down twice, and suture needle 12 falls to processing cloth 17 by the order of N1, N2.When suture needle fell pin shank 13 rises before the next needle falling point, processing cloth 17 (cloth pushing table 18) moved the distance that is equivalent to distance between needle point tracers P towards the Y direction, and this action is after this carried out repeatedly.
With regard to above-mentioned radial needle tracking part, shank 13 and looper pedestal 15 are with rotation (adding up to 180 degree) on the counter clockwise direction of the fixing angle of every pin (the pin number with this part removes the angle that 180 degree are drawn) when overlooking.Obtain some actuation time of the rotation of moving of cloth pushing table 18 and shank 13 and looper pedestal 15 by signal from above-mentioned timing generator 45.
Be provided with detector in the round end button holing sewing machine, when the execution sewing was moved, this detector detected processing cloth 17 and whether is configured in stitching on the corresponding position of kind with selected (hope is carried out) keyhole on the cloth pushing table 18.This detector is made of the optical sensor 32 that detects on the ad-hoc location whether processing cloth 17 be present in cloth pushing table 18.
As shown in Figure 3, optical sensor 32 is made of the reflection type optical sensor with illuminating part and light accepting part, is installed on the above-mentioned cloth pushing table 18 by installing component 31.This installing component 31 has: bar-shaped 33 of the upwardly extending pole shape of upper and lower, transversely long plate-like portion 34 and the contiguous block spare 35 that both couple together with this.With regard to above-mentioned bar-shaped 33, its bottom can be installed on any one installing hole 18b (the installing hole 18b on right side among the figure) part of above-mentioned cloth pushing table 18 and dismantled and assembled.Dispose contiguous block spare 35 in mode, and contiguous block spare 35 is fixed to the Desired Height position on bar-shaped 33 by fastening construction bolt 36a from above-mentioned bar-shaped 33 sandwich.By unclamping construction bolt 36a contiguous block spare 35 can be moved up with respect to bar-shaped 33 at upper and lower.
Above-mentioned optical sensor 32 is fixed on an end of above-mentioned plate-like portion 34 downwards.Be formed with the slotted hole 34a that extends in the longitudinal direction in this plate-like portion 34.By inserting the sidepiece that the set bolt 36b, the 36b that wear slotted hole 34a are fixed to plate-like portion 34 contiguous block spare 35.By unclamping set bolt 36b, 36b plate-like portion 34 can be moved in the horizontal direction along slotted hole 34a.Therefore, optical sensor 32 is installed after, it can carry out position adjustment and Height Adjustment in as the circular scope in the center of circle with bar-shaped 33 axle center on the cloth pushing table 18.By this optical sensor 32 can detect processing cloth 17 whether be present in optical sensor 32 on the cloth pushing table 18 under the position.As shown in Figure 4, above-mentioned control device 9 makes optical sensor 32 actions.Detection signal input control device 9 with this optical sensor 32.
In the present embodiment, as shown in Figure 7,, optical sensor 32 is installed in illustrated position with respect to above-mentioned processing cloth 17.
Shown in Fig. 7 B, when processing cloth 17 was configured on the cloth pushing table 18 on the position corresponding with tack keyhole seam, the detection light that sends from the illuminating part of optical sensor 32 was reflected by the surface of cloth pushing table 18.Accept this reverberation by light accepting part, make optical sensor 32 become on-state.Shown in Fig. 7 A, when processing cloth 17 is configured on the cloth pushing table 18 on the position corresponding with round end keyhole seam, process cloth 17 be positioned at optical sensor 32 under.At this moment, because of processing cloth 17 blocks above-mentioned detection light, so optical sensor 32 becomes off-state.
Also will mention in the following Action Specification (flowchart text), in the implementation of above-mentioned circulation slit die formula, when beginning the sewing action (when starting shutdown switch 8 connections), 9 of above-mentioned control device make optical sensor 32 actions.When this testing result and keyhole seam kind was not corresponding, control device 9 was forbidden the sewing action, showed that on display part 54a " mistake " this information comes the operator is reported to the police.Therefore, control device 9 plays the effect of forbidding mechanism.Display part 54a plays the effect of alarm mechanism.
With reference to Fig. 8 the effect of above-mentioned formation is described in addition.In the circulation slit die formula of present embodiment, polylith processing cloth 17 is carried out the sewing of the above-mentioned buttonhole stitch 29,29,30 that is carried out shown in Figure 7 repeatedly on processing cloth 17, with this as object lesson.Among Fig. 6, each numeral that the display part 54a of guidance panel 6 goes up shown " 1.1.2 " is the program number of the single program stored on the nonvolatile memory 40.The kind, the width dimensions of needle tracking, distance between needle point tracers, the noose that store the keyhole seam corresponding with each program number in the nonvolatile memory 40 are fixed information such as having or not of seam and kind thereof.The content of single program is a sewing data.In the present embodiment, " 1 " is the round end keyhole seam that forms buttonhole, and " 2 " are the tack keyhole seams that does not form buttonhole.
When operating, operator's operating operation panel 6 is to carry out the setting of cyclic program pattern.Here, with the round end keyhole seam that forms round end eye 24 carry out twice, and do not form the circulation that the tack keyhole seam of buttonhole carries out once and programme.Round end keyhole seam is an example with the situation that adopts back butt formula.The operator adjusts to position shown in Figure 7 with the installation site of optical sensor 32.
The operator will process cloth 17 and be placed on and shut down on the cloth pushing table 18 of origin position, and presser feet switch 44 is carried out making operation.Presser feet 25 descends thus, and the preparation of processing cloth 17 is finished.Operator's operating operation panel 6 to be setting automatic mode (circulation slit die formula) for, operation start shutdown switch 8, the sewing action of the slit die formula that then begins to circulate.
The flowcharting of Fig. 8 the performed processing procedure of control device 9 in the circulation slit die formula.
At this moment, the operator need remain on processing cloth 17 assigned position on the cloth pushing table 18.Under the situation of the round end keyhole seam " 1 " that is in circulation the 1st link and the 2nd link, processing cloth 17 is configured in the position shown in Fig. 7 A.Under the situation of the tack keyhole seam " 2 " that is in the 3rd link, processing cloth 17 is configured in the position shown in Fig. 7 B.When finding that will not process cloth 17 correctly is configured in these positions, the operator operates presser feet switch 44 (being judged as "Yes" among the step S3) once more, so control device 9 control presser feets 25 rise (step S11), turns back to step S1 thereafter.Therefore, the operator can process the maintenance operation of cloth 17 again.
After the beamhouse operation of processing cloth 17 is finished, operator's operation start shutdown switch 8 (being judged as "Yes" among the step S5), thus in step S6, judge whether to carry out the sewing action (that is whether being " 2 ") that the tack keyhole stitches by control device 9.Particularly, judge exactly whether with number corresponding keyhole seam kind of the single program of carrying out be that the tack keyhole stitches.
When control device 9 carries out the sewing action of round end keyhole seam based on above-mentioned sewing data (, under the situation of " 1 " of the 1st time and the 2nd time sewing action of the conduct in the cyclic program) (being judged as "No" among the step S6), judge in step S7 then whether optical sensor 32 is on-state.
When processing cloth 17 is configured in the assigned position of the cloth pushing table corresponding with " 1 " 18 (with reference to Fig. 7 A), because of the detection signal of optical sensor 32 becomes disconnection (being judged as "No" among the step S7), so in step S8, the sewing action of control device 9 beginning round end keyhole seams.In other words, according to the sewing data of setting (action command), control device 9 drives XY travel mechanism, makes cloth pushing table 18 (processing cloth 17) move to the first stitch position N1.Control device 9 starts electrical motor of sewing machine 7 so that main shaft 10 rotates, and drives shank 13 and looper with the action of sewing.Proceed to last pin in the sewing action, after the work that forms round end buttonhole stitch 29 on the processing cloth 17 was finished, control device 9 stopped electrical motor of sewing machine 7 and carries out upper thread and cut off action.Control device 9 drives XY travel mechanism so that cloth pushing table 18 moves to origin position.Control device 9 drives cutter mechanism (cylinder 23 that is used for hammer), forms round end eye 24 on processing cloth 17.Control device 9 is carried out bottom line and is cut off action and presser feet 25 is risen, and returns step S1 and handles.
When processing cloth 17 is not configured in assigned position corresponding with " 1 " on the cloth pushing table 18 (with reference to Fig. 7 B), the detection signal of optical sensor 32 becomes connection (being judged as "Yes" among the step S7).In step S9, control device 9 shows " mistake " this information on the display part 54a of guidance panel 6.In step S10, whether control device 9 decision operation persons have carried out making operation to reset switch 53.If the operator has carried out making operation (being judged as "Yes" among the step S10) to reset switch 53, then in step S11, control device 9 rises presser feet 25, returns step S1 and handles.
Among the above-mentioned steps S6, when control device 9 is carried out the sewing action of tack keyhole seam (, when the sewing for the third time of this processing cloth 17 is moved) (being judged as "Yes" among the step S6), then in step S12, control device 9 judges whether the detection signal of optical sensor 32 is on-state.
When processing cloth 17 is configured in assigned position corresponding with " 2 " on the cloth pushing table 18 (with reference to Fig. 7 B), because of the detection signal of optical sensor 32 becomes connection (being judged as "Yes" among the step S12), so in step 13, the sewing action of control device 9 beginning tack keyhole seams.In this case, control device 9 also drives XY travel mechanism according to sewing data (action command), makes cloth pushing table 18 (processing cloth 17) move to the first stitch position N1.Control device 9 starts electrical motor of sewing machine 7 so that main shaft 10 rotates, and drives shank 13 and looper begins the sewing action.Proceed to last pin in the sewing action, after the work that forms tack buttonhole stitch 30 on the processing cloth 17 was finished, control device 9 stopped electrical motor of sewing machine 7.Upper thread carried out by control device 9 and bottom line cuts off action, and driving XY travel mechanism makes cloth pushing table 18 move to origin position.At this moment, do not form the action of buttonhole.Control device 9 rises presser feet 25, returns step S1 and handles.
When processing cloth 17 is not configured in assigned position corresponding with " 2 " on the cloth pushing table 18 (with reference to Fig. 7 A), the detection signal of optical sensor 32 becomes disconnection (being judged as "No" among the step S12).In step S9, control device 9 shows " mistake " this information on the display part 54a of guidance panel 6.In step S10, whether control device 9 decision operation persons have carried out making operation to reset switch 53.If the operator has carried out making operation (being judged as "Yes" among the step S10) to reset switch 53, then in step S11, control device 9 rises presser feet 25, returns step S1 and handles.
Like this, for example, when the operator will process cloth 17 and be configured on the wrong position to the order misjudgment in the circulation slit die formula, 9 of control device were forbidden the sewing action and are reported to the police.Therefore, can prevent to stitch or carry out the sewing mistake generation of round end keyhole seam in advance in the position that should carry out tack keyhole seam at the position execution tack keyhole that should carry out round end keyhole seam.Especially, can not appear at the tack keyhole seam position that does not form buttonhole and form the situation of buttonhole, thereby the phenomenon of the processing cloth 17 of can avoiding waste.
According to such present embodiment, when the testing result and the kind of keyhole seam of optical sensor 32 were not corresponding, control device 9 was forbidden the sewing action.Therefore, carrying out in the circulation slit die formula of the action of sewing, can prevent from advance wrong causing of the configuration appearance of processing cloth 17 to be sewn into the problem of processing on the cloth 17 with the keyhole of other kinds because of the operator with predefined order.
Especially, because of the optical sensor 32 that has adopted reflection-type in the present embodiment is used as detector, so can constitute detector simply and can detect processing cloth 17 reliably whether at the ad-hoc location of cloth pushing table 18.
Cause is set to the mode of optical sensor 32 with position changeable on the cloth pushing table 18 by installing component 31, thus can detect the optional position on the cloth pushing table 18 as required, and applicable to the different various processing clothes of shape and size (size).At this moment, because of the installing hole 18b that is used for fixing installing component 31 forms in the left-right symmetry position of cloth pushing table 18, thus also optical sensor 32 can be transformed to the left side of cloth pushing table 18, applicable to the processing symmetrical situation of cloth (women's suit etc.).
In addition, the invention is not restricted to above-mentioned embodiment, it also can do following remodeling, expansion.
Above-mentioned embodiment illustration in circulation slit die formula, repeatedly processing cloth 17 is carried out the situation of above-mentioned buttonhole stitch 29,29,30 sewing, but be not limited thereto.In other words, the present invention also only carries out once program applicable to the sewing action of carrying out a plurality of keyholes seams with the order of setting.In other pattern (separately slit die formula etc.), as long as the corresponding relation of clearly processing in advance between the kind of the position of cloth and keyhole seam just can be implemented as described above.With regard to the kind of keyhole seam, also be not limited to above-mentioned two types, also can comprise the various types of keyhole seams such as tack keyhole seam that form buttonhole.
Also can adopt the optical sensor of transmission-type to substitute the optical sensor 32 of reflection-type.At this moment, as long as dispose illuminating part and light accepting part, can be implemented equally with present embodiment in the mode of midfeather processing cloth.Also a plurality of optical sensors can be set in addition.Perhaps, also can adopt other sense of vision sensors such as plane image sensor to detect the configuration of processing cloth 17.
The mechanical structure of round end button holing sewing machine also can have various modification, for example, also can not adopt cloth pushing table and transfers the processing cloth by feed dog etc. on fore-and-aft direction, and the moving then to swing by pin of left and right directions realized.At this moment, detector can be arranged on the Sewing machines support.For cutter mechanism, but also available moving knife and dead knife substitute lower cutter and hammer forms otch on the processing cloth.
Alarm mechanism also can report to the police " mistake " by sound.This sound also capable of being combined and show from display part 54a " mistake " is reported to the police.
Claims (11)
1. button holing sewing machine, it is according to selected keyhole seam kind from polytype keyhole seam, processing the action of sewing on the cloth (17), it is characterized in that, described button holing sewing machine has detector (32) and forbids mechanism (9), wherein, whether described detector (32) detects above-mentioned processing cloth (17) and is configured in and the corresponding position of selected keyhole seam kind, when the testing result of this detector (32) was not corresponding with selected keyhole seam kind, the described mechanism (9) that forbids forbade the sewing action.
2. the button holing sewing machine of putting down in writing as claim 1 is characterized in that, described polytype keyhole seam is included in processing cloth (17) and goes up round end keyhole seam that forms buttonhole (24) and the tack keyhole seam that does not form buttonhole (24).
3. the button holing sewing machine of putting down in writing as claim 1 is characterized in that, it has alarm mechanism (54a), and when the testing result and the selected keyhole seam kind of above-mentioned detector (32) were not corresponding, this alarm mechanism (54a) can be reported to the police.
4. the button holing sewing machine of putting down in writing as claim 2 is characterized in that, it has alarm mechanism (54a), and when the testing result and the selected keyhole seam kind of above-mentioned detector (32) were not corresponding, this alarm mechanism (54a) can be reported to the police.
5. the button holing sewing machine of putting down in writing as claim 1 is characterized in that, it has circulation slit die formula, and described circulation slit die formula is carried out the sewing action of above-mentioned polytype keyhole seam according to predefined order.
6. the button holing sewing machine of putting down in writing as claim 2 is characterized in that, it has circulation slit die formula, and described circulation slit die formula is carried out the sewing action of above-mentioned polytype keyhole seam according to predefined order.
7. the button holing sewing machine of putting down in writing as claim 3 is characterized in that, it has circulation slit die formula, and described circulation slit die formula is carried out the sewing action of above-mentioned polytype keyhole seam according to predefined order.
8. the button holing sewing machine of putting down in writing as claim 4 is characterized in that, it has circulation slit die formula, and described circulation slit die formula is carried out the sewing action of above-mentioned polytype keyhole seam according to predefined order.
9. the button holing sewing machine of putting down in writing as claim 1～8, it is characterized in that, keep the cloth pushing table (18) of above-mentioned processing cloth (17) to be provided with above-mentioned detector (32), this detector (32) is made of optical sensor (32), and whether described optical sensor (32) detects above-mentioned processing cloth (17) and be present on the above-mentioned cloth pushing table (18).
10. the button holing sewing machine of putting down in writing as claim 9 is characterized in that, above-mentioned optical sensor (32) can carry out location change with respect to above-mentioned cloth pushing table (18).
11. the button holing sewing machine of putting down in writing as claim 10, it is characterized in that, it has installing component (31) that is used to keep above-mentioned optical sensor (32) and the fixed part (18b) that is used for fixing above-mentioned installing component (31), said fixing portion (18b) is arranged on the two ends of above-mentioned cloth pushing table (18), and above-mentioned installing component (31) is dismantled and assembled with respect to said fixing portion (18b).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006082831A JP2007252740A (en) | 2006-03-24 | 2006-03-24 | Holing machine |
| JP082831/2006 | 2006-03-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101041923A true CN101041923A (en) | 2007-09-26 |
| CN101041923B CN101041923B (en) | 2014-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710087298.4A Expired - Fee Related CN101041923B (en) | 2006-03-24 | 2007-03-23 | Buttonhole sewing machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2007252740A (en) |
| CN (1) | CN101041923B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691177A (en) * | 2011-03-23 | 2012-09-26 | 杜尔克普—阿德勒股份公司 | Eyelet buttonhole sewing machine and method for sewing and eyelet buttonhole seam comprising a gimp thread |
| CN101429708B (en) * | 2007-11-06 | 2013-03-06 | Juki株式会社 | Automatic sewing machine |
| CN105002661A (en) * | 2015-07-21 | 2015-10-28 | 吴江新劲纺织有限公司 | Positioning apparatus for lockstitch button holder |
| CN105926175A (en) * | 2016-05-18 | 2016-09-07 | 天津市中马骏腾精密机械制造有限公司 | Sewing equipment control system |
| CN106263773A (en) * | 2016-08-24 | 2017-01-04 | 浙江泰运通家居礼品有限公司 | A kind of moulding process of hammock cloth |
| CN112678236A (en) * | 2020-12-14 | 2021-04-20 | 新沂市中明包装有限公司 | Intelligent on-line flexible packaging system professional knotter |
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| US3323476A (en) * | 1964-07-01 | 1967-06-06 | Selden Mfg Corp | Automatic sequential unit |
| JPS506447A (en) * | 1973-05-19 | 1975-01-23 | ||
| JP4026886B2 (en) * | 1997-06-27 | 2007-12-26 | Ｊｕｋｉ株式会社 | Buttonhole sewing machine |
| DE19916660C1 (en) * | 1999-04-14 | 2000-06-21 | Duerkopp Adler Ag | Buttonhole sewing machine has a control unit which determines the operation of the drives for cutting and stitching buttonholes of different shapes and/or sizes without manual resetting |
| JP4189103B2 (en) * | 1999-10-27 | 2008-12-03 | ブラザー工業株式会社 | Perforated sewing machine |
| CN1532319B (en) * | 1999-12-06 | 2010-06-16 | 兄弟工业株式会社 | Buttonbole machine and its method of forming eyelet stitch |
| DE10238708A1 (en) * | 2002-08-23 | 2004-03-04 | Dürkopp Adler AG | Buttonhole sewing machine |
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2006
- 2006-03-24 JP JP2006082831A patent/JP2007252740A/en active Pending
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- 2007-03-23 CN CN200710087298.4A patent/CN101041923B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429708B (en) * | 2007-11-06 | 2013-03-06 | Juki株式会社 | Automatic sewing machine |
| CN102691177A (en) * | 2011-03-23 | 2012-09-26 | 杜尔克普—阿德勒股份公司 | Eyelet buttonhole sewing machine and method for sewing and eyelet buttonhole seam comprising a gimp thread |
| CN102691177B (en) * | 2011-03-23 | 2015-08-05 | 杜尔克普—阿德勒股份公司 | Button hole sewing machine and the method for making the buttonhole linear slit with lacing thread |
| CN105002661A (en) * | 2015-07-21 | 2015-10-28 | 吴江新劲纺织有限公司 | Positioning apparatus for lockstitch button holder |
| CN105926175A (en) * | 2016-05-18 | 2016-09-07 | 天津市中马骏腾精密机械制造有限公司 | Sewing equipment control system |
| CN106263773A (en) * | 2016-08-24 | 2017-01-04 | 浙江泰运通家居礼品有限公司 | A kind of moulding process of hammock cloth |
| CN112678236A (en) * | 2020-12-14 | 2021-04-20 | 新沂市中明包装有限公司 | Intelligent on-line flexible packaging system professional knotter |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2007252740A (en) | 2007-10-04 |
| CN101041923B (en) | 2014-01-01 |
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