CN101864643A - Band tailoring sewing machine - Google Patents
Band tailoring sewing machine Download PDFInfo
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- CN101864643A CN101864643A CN201010150016A CN201010150016A CN101864643A CN 101864643 A CN101864643 A CN 101864643A CN 201010150016 A CN201010150016 A CN 201010150016A CN 201010150016 A CN201010150016 A CN 201010150016A CN 101864643 A CN101864643 A CN 101864643A
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Abstract
The present invention provides a band tailoring sewing machine which performs appropriate band tailoring. The band tailoring sewing machine comprises the following components: a seedling needle vertical moving mechanism; a band splint; band presser feet; a carrying platform; clothes presser feet; a first moving mechanism; a second moving mechanism; a splint moving mechanism; a single fork-shaped component; and a control unit which performs the control described as follows: overlapped stitch forming is controlled; a driving source of the second driving mechanism is used as a feeding motor; crease mark stitches which are used as crease are formed in the width direction of the band held by the band splints; the splint moving mechanism is used for moving the band splint in a direction of turning-back from the crease mark stitch; the overlapped stitch stitches are formed on the crease mark stitches at a state of being shielded by the turned-back band; and the correction of positions of the overlapped stitches is controlled; the feeding motor of the second moving mechanism is controlled when the overlapped stitches forming control is performed, and the correction control to the forming positions of the overlapped stitches correspondingly to the crease mark stitches is performed.
Description
Technical field
The present invention relates to a kind of band sewing machine for sewing.
Background technology
Existing band sewing machine for sewing, for example shown in record in the patent documentation 1, front end is set is two 2 forked forked parts, both ends with the band of elongated cloth strip, insert between the leading section of above-mentioned two forked parts, rotate by making the opposite towards each other direction of each forked parts, thereby under the state of being turned back to the inside in both ends, needle downing position to Sewing machines is supplied with, thereby makes on cloth.
But, because above-mentioned existing band sewing machine for sewing utilizes 2 forked parts to supply with band, so only can carry out the most basic making, that is, under the state of all being turned back to the inside in the both ends of band, sew up, and can't carry out making of the different shapes of turning back to cloth.
Therefore, sew up in order to carry out more various band, current, a kind of band sewing machine for sewing has been proposed, the band clamping plate that it has 1 fork-shaped element and is used for the clamping band.For example, under the situation of the stitching shape that the state of Z word shape roughly of being folded into the end with band is made, one end of the band under the state of band clamping plate clamping is carried out first and is sewed up (folding line stitching), then, after this first suturing part place turns back the band clamping plate to move, near the direction that the band clamping plate move from first suturing part assigned position, carry out second and sew up (double sewing line), then, by making the band clamping plate in the other direction to moving, thereby at the second suturing part place band is turned back, in the position identical, that the band of turning back is overlapping and make with second suturing part.
Patent documentation 1: TOHKEMY 2003-311060 communique
Summary of the invention
In the band sewing machine for sewing, under the situation that common band is sewed up, cloth is moved, with the pin that can fall in two positions at the both ends of band, in addition, under the situation of the invagination of carrying out above-mentioned Z word shape, cloth is moved, with the pin that falls 3 positions.Therefore, carry out the actuator that cloth moves at these needle downing positions, use cylinder as being used for.
But, utilizing cylinder to carry out producing problem shown in Figure 15 under the situation that cloth moves.That is, produce following problems: as above-mentioned second sew up and the 3rd sew up shown in, as folding line, B turns back with band, can't at random determine the width L of end to stitching H2 that turn back from B with the suturing part H1 of formation earlier.
There is following requirement as the user of service, promptly, for stitching H2 is exposed to the surface of making thing, from the viewpoint that designs, hope is at random changed width L, thereby and wish the part of turning back to be heaved etc. by width L is increased, but can't realize above-mentioned requirements, can't improve commodity value as Sewing machines.
In addition, if the varied in thickness of band B, then shown in Figure 15 (B), above-mentioned width L also changes, thereby produces following problems, that is, this width L changes along with the difference of the cloth of band, can't be constant, and the quality of sewings is reduced.
In addition, owing to the stitching H1 that formerly forms goes up the overlapping next stitching H2 that forms, so under the situation of thin band or cloth, produce following problems, that is,, and band B or cloth are caused damage because of the pin that on identical position, falls overlappingly, the perhaps overlapping pin that falls on the suture of the stitching that forms makes suture cut-out etc. the quality of sewings.
In addition, because in same position, stitching H1, H2 overlap to form, so also produce following problems, that is, stitching part projection or hardening etc. worsen the attractive in appearance or sense of touch of sewings, and quality of sewing is reduced.
And, shown in Figure 15 (C), after formerly the stitching H1 of Xing Chenging forms, if, then also produce following problems for band B being turned back and pulling the band clamping plate, promptly, make thin cloth C perk, the folding line that makes band B is to band clamping plate side shifting, though same position from above make, stitching also can depart from from the end of turning back of band B and form, and causes the reduction of quality of sewing.
The objective of the invention is to, the stitching of band is suitably formed, improve quality of sewing.
The invention of technical scheme 1 record is a kind of band sewing machine for sewing, and it has: the suture needle reciprocating mechanism, and it moves up and down suture needle; The band clamping plate, it can clamping and can decontrol band; The band presser feet, it is pushed described band by down maneuver; Mounting table, its mounting is used to make the cloth of described band; Cloth pressing, it keeps described cloth; First travel mechanism, it makes described band presser feet and described mounting table move to along the optional position of the mounting surface of described mounting table with respect to described suture needle; Second travel mechanism, it makes described cloth move along the length direction of described band via described cloth pressing; Clamping plate travel mechanism, it moves to along the optional position of the mounting surface of described mounting table described band clamping plate; Bending mechanism, it has single forked parts, makes described single forked parts rotation and with described band bending, these forked parts insert described band between two forks that are formed on the front end; And control module, it carries out double sewing line and forms control, promptly, on the width of the described band of described band clamping plate clamping, formation is as the folding line stitching of folding line, utilize described clamping plate travel mechanism, described band clamping plate are moved to the direction of turning back from described folding line stitching, from being in the folding line stitching top under the state that the described band of being turned back blocks, form double sewing line, this band sewing machine for sewing is characterised in that to have the feed motor as the drive source of described second travel mechanism, and it can be controlled as actuating quantity arbitrarily, control module, when the described double sewing line of execution forms control, can proofread and correct control, promptly, distance between the position of the position of the described folding line stitching on the described band length direction and described double sewing line is proofreaied and correct, with the correcting value of described distance accordingly, described feed motor is controlled, proofread and correct the formation position of described double sewing line.
The invention of technical scheme 2 records is characterised in that to have the identical structure of putting down in writing with technical scheme 1 of invention, and, having the correcting value setup unit, it is used to set the value of described correcting value.
The invention of technical scheme 3 records is characterised in that to have and technical scheme 1 or the 2 identical structures of putting down in writing of invention, and, having the pattern setup unit, it is used to set the tailoring pattern of described folding line stitching.
The invention of technical scheme 4 records is characterised in that, has the identical structure of invention with technical scheme 1 or 2 records, and, described control module, form in the control at described double sewing line,, make described band clamping plate after the direction of turning back from described folding line stitching moves utilizing described clamping plate travel mechanism, by moving, make the action of the stretching recovery of described cloth to reciprocal.
The invention of technical scheme 5 records is characterised in that, has the identical structure of invention with technical scheme 3 records, and, described control module, form in the control at described double sewing line,, make described band clamping plate after the direction of turning back from described folding line stitching moves utilizing described clamping plate travel mechanism, by moving, make the action of the stretching recovery of described cloth to reciprocal.
The effect of invention
The invention of technical scheme 1 record, because the drive source of second travel mechanism is to be controlled as the feed motor of actuating quantity arbitrarily, so when double sewing line forms control, can utilize feed motor, with set correcting value accordingly, carry out the control of the formation position of double sewing line being proofreaied and correct with respect to the stitching that is blocked.
Therefore, can provide a kind of band sewing machine for sewing, its can change arbitrarily from band turn back the end till the stitching width and make, for the stitching of band, can satisfy the requirement in the design, can carry out high the making of design.
In addition, owing to pass through feed motor, can with set correcting value accordingly, proofread and correct formation position to double sewing line, even so under the different situation of the thickness of band, also can be by under thin situation, with double sewing line to the inside (near in the middle of the length direction of band) carry out position correction, under thicker situation, with double sewing line laterally (near the length direction end of band) carry out position correction, can realize thus from the homogenization of the width of end till the stitching of turning back.
In addition, with respect to thin cloth or band, repeating to form under the situation of double sewing line on the folding line stitching, even because the pulling when turning back, make the position skew of the end of turning back of band, can't form on the band under the situation of double sewing line, also can form double sewing line, thereby on band, form double sewing line exactly by the setting correcting value is set with the inboard at band.
In addition; if with respect to thin cloth or band; on the folding line stitching, repeat to form double sewing line; then may exist and repeatedly carry out a large amount of pins that falls; and cloth or band are caused the situation of damage; but in this case, form, so can realize protection to cloth and band owing to double sewing line is departed from from the folding line stitching.
And, exist owing to repeat to form stitching thereby the projection of stitching part is become greatly or the situation of hardening in same position, but this situation also same as described abovely, forms owing to double sewing line is departed from from the folding line stitching, so can suppress the generation of projection or the generation of hardening part.
Therefore, by the invention of technical scheme 1, can improve the quality of sewings.
The invention of technical scheme 2 record, owing to have the correcting value setup unit of the value that is used to set correcting value, so can easily carry out any correction as required to the stitching position.
The invention of technical scheme 3 records, owing to have the pattern setup unit of the tailoring pattern that is used to set the folding line stitching, so can select suitable tailoring pattern, for example as required, as folding line stitching etc., only form under the situation of stitching, in order to shorten the time of making, the flat-seam that selection can be made rapidly in order to turn back, improve in hope under the situation of suture strength, select the superior locking of suture strength to make etc.
The invention of technical scheme 4 and 5 records, because control module forms in the control at double sewing line, utilizing clamping plate travel mechanism, making the band clamping plate after the direction of turning back from the folding line stitching moves, by moving to reciprocal, make the action of the stretching recovery of cloth, so can avoid because of of the pulling of band clamping plate, and under the state that cloth is pulled, make, or because of of the pulling of band clamping plate to band to band, make the situation of stitching position deviation, can realize the raising of quality of sewing.
Description of drawings
Fig. 1 is the oblique view of the integral body of the related band sewing machine for sewing of expression present embodiment.
Fig. 2 is the block diagram of the control system of expression band sewing machine for sewing.
Fig. 3 is the oblique view of suture needle periphery.
Fig. 4 is illustrated in the key diagram that carries out a plurality of parameters of setting under the situation that Z-shaped shape makes.
Fig. 5 is illustrated in the flow chart that carries out the action control of Z-shaped shape when making.
Fig. 6 is illustrated in the action specification figure that carries out the action of Z-shaped shape when making, and moves with the order of Fig. 6 (A)～Fig. 6 (C).
Fig. 7 is illustrated in the action specification figure that carries out the action continue shown in Figure 6 action after of Z-shaped shape when making, and moves with the order of Fig. 7 (A)～Fig. 7 (C).
Fig. 8 is illustrated in the action specification figure that carries out the action continue shown in Figure 7 action after of Z-shaped shape when making, and moves with the order of Fig. 8 (A)～Fig. 8 (C).
Fig. 9 is illustrated in the action specification figure that carries out the action continue shown in Figure 8 action after of Z-shaped shape when making, and moves with the order of Fig. 9 (A)～Fig. 9 (C).
Figure 10 is illustrated in the action specification figure that carries out the action continue shown in Figure 9 action after of Z-shaped shape when making, and moves with the order of Figure 10 (A)～Figure 10 (C).
Figure 11 (A) is the side view under the situation that the width of end till the stitching of turning back from band reduced, Figure 11 (B) is the side view under the situation about increasing, Figure 11 (C) is the vertical view under the situation that the width of end till the stitching of turning back from band reduced, and Figure 11 (D) is the vertical view under the situation about increasing.
Even Figure 12 be expression under the different situation of the thickness of band, also can utilize the setting correcting value, make the key diagram that aligns equably from the width of end till the stitching of turning back of band.
Even Figure 13 be expression under the thin situation of band or cloth, also can utilize and set correcting value and make, and the key diagram that double sewing line is departed from from band.
The example of the common stitching that Figure 14 (A) expression is turned back the both ends of band to the inside, Figure 14 (B) expression are guaranteed the example of the long stitching of partly sealing specification of the end of turning back to the inside.
Figure 15 (A), Figure 15 (B) are the key diagrams of the change in location of the expression stitching that makes the end owing to the thickness of band, Figure 15 (C) is illustrated under the thin situation of band or cloth, owing to pull the end position skew of turning back that makes band, thereby can't form the key diagram of the situation of stitching in the end of band.
The specific embodiment
(summary of apparatus for sewing)
Below, with reference to the accompanying drawings, describe embodiments of the present invention in detail.
In Fig. 1, Fig. 2, Fig. 3, band sewing machine for sewing 10 has: not shown suture needle reciprocating mechanism, and it moves up and down suture needle 11; Clamp mechanism 30, it has band clamping plate 31, and these band clamping plate 31 are used for the band B of clamping towards prescribed direction; Band feed mechanism 60, it is supplied with band B to clamp mechanism 30; Band presser foot device 50, it has and is used for the mounting table 51 of cloth C that mounting is carried out the stitching of band B, and by the down maneuver to this mounting table 51, the band presser feet 52 that band B is pushed; Lax mechanism 65, it has the lax lax parts 66 of ring portion that make band B; Cloth pressing mechanism 70, it has the cloth pressing 71 that keeps cloth C; Sewing machine stand 2; Not shown container mechanism; And control module 80, it is controlled above-mentioned each structure.
(sewing machine stand)
Sewing machine stand 2 has: the 2a of sewing machine base portion, its built-in container mechanism; Vertical 2b of body portion, its end from the 2a of sewing machine base portion uprightly is provided with; And Sewing machines arm 2c, its built-in suture needle reciprocating mechanism.In addition, Sewing machines arm 2c extends to the direction identical with the 2a of sewing machine base portion.
In the following description, level and the direction parallel with the length direction of 2a of sewing machine base portion and Sewing machines arm 2c are made as Y direction, be made as X-direction with level and with the direction of Y direction quadrature, the vertical above-below direction is made as Z-direction, needs according to explanation, the facing side of Sewing machines arm 2c in the end side on the Y direction is called " front side ", is that the vertical body 2b of portion side is called " rear side " with the other end side on the Y direction.
(suture needle reciprocating mechanism and container mechanism)
The suture needle reciprocating mechanism is identical with known structure, is made of following part: needle bar, and it can be supported up or down in the inside of the anterior end of Sewing machines arm 2c, and suture needle remains on its bottom; Sewing machine electromotor 13, it becomes the drive source that needle bar moves up and down; Main shaft, it is rotated driving by sewing machine electromotor 13; And crank mechanism, its rotation with main shaft drives to be transformed to and moves up and down, and to the needle bar transmission.
Container mechanism is to use the container mechanism of so-called semi-rotating kettle, and is identical with known structure, has: semi-rotating kettle, and it rotatably is supported on the inboard of the anterior end of the 2a of sewing machine base portion, and is positioned at the needle downing position bottom; Eccentric cam, it is arranged on the main shaft; Toggle-action lever, it utilizes an end portion supports eccentric cam; The still axle, the arm that the other end of its utilization and toggle-action lever links applies reciprocal rotation; And driver, it is supported on the still axle.
(band feed mechanism)
In addition, clamp mechanism 30, the structure that the not shown receiving port of band B is set in its front side and is used for moving to X-direction and Y direction, receiving port moves and near the delivery port of band feed mechanism 60, thereby can carry out the reception of band B.
(clamp mechanism)
As shown in Figure 3, band clamping plate 31 are arranged on the left end that keeps seat 32, and downside clamping plate 31b is fixedly mounted on and keeps on the seat 32, upside clamping plate 31a can be supported on up or down downside clamping plate 31b directly over.In addition, upside clamping plate 31a is in the maintaining part of its leading section lower surface formation concavity, so that the chimeric mode of band B and this maintaining part keeps band B.Band B remains on the maintaining part by chimeric, thereby so that its length direction be held along the state of Y direction.
Keep seat 32 for example with can be supported on the brace table 34 along the sliding guidance portion combination that all directions such as X, Y, Z-direction are slided, can move to these directions.In addition, by the co-operating of clamping plate with X, Y- axis motor 35,36 and Z axle cylinder 37, band clamp plate 31 is moved to position arbitrarily along X-Y plane, for example apply following actions etc., promptly, band B is carried to the executing location of making from receiving position, or a plurality of positions of band B are being sewed up under the situation of making the action that band B is moved along Y direction.That is, clamp mechanism 30 works as " clamping plate travel mechanism ".
In addition, keeping that forked parts 38 (omitting diagram in Fig. 3) are set on the seat 32 simultaneously, it is adjacent along Y direction with band clamping plate 31.
It is two forked that forked parts 38 form, 2 clavas further extend to left from the leading section (left part) of the base portion that extends along X-direction, pass between these 2 clavas by making band B, make base portion center on the Y-axis rotation, can be turned back in the end of band B thus.Above-mentioned forked parts 38 are supported on and keep on the seat 32, can move along the X-direction advance and retreat, utilize forked parts to apply advance and retreat with cylinder 40 and move, and when advancing, are in the position arranged side by side with band clamping plate 31, when retreating, keep out of the way to the right-hand of band clamping plate 31.In addition, the spinning movement around Y-axis of forked parts 38 applies by revolving actuator 41.These forked parts 38, forked parts constitute " bending mechanism " with cylinder 40, revolving actuator 41.
(lax mechanism)
In addition, if the lax motor 68 of utilization applies the shift action to Y direction, then the slack to length direction of band is controlled.
(band presser foot device)
The mounting table 51 of band presser foot device 50 is supported on the top of the 2a of sewing machine base portion, can move along X-direction and Y direction.In addition, the upper surface of mounting table 51 is horizontal planes parallel with X-Y plane, mounting cloth C when making.In addition, mounting table 51 is formed with pin hole, its be positioned at needle bar 12 under, at needle downing position suture needle 11 is inserted.
In addition, band presser foot device 50 has: cloth X-axis motor (pulse motor) 53, and it makes mounting table 51 at random move along X-direction; And cloth Y-axis motor (pulse motor) 54, it makes mounting table 51 at random move along Y direction, and encoder 55,56 is installed on output shaft separately.X-axis motor 53 and Y-axis motor 54 carry out FEEDBACK CONTROL based on the output of each encoder 55,56, thus with every pin fall pin synchronously, band B and cloth C are positioned, with the pin that falls of the needle downing position in the determined regulation of tailoring pattern.
In addition, the end at the rear side of mounting table 51 uprightly is provided with crane 58, and it can support band presser feet 52 up or down, and mounting table 51 and band presser feet 52 move on X-direction and Y direction integratedly.In addition, the lifting of band presser feet 52 is carried out with cylinder 57 by the band presser feet, by descending, band B and cloth C is pushed maintenance downwards from the top, by rising, band B and cloth C is decontroled.
Band presser foot device 50 utilizes said structure, can work as " first travel mechanism " with the band B that kept by band presser feet 52 on the mounting table 51 and cloth C running fix along on the position arbitrarily of X-Y plane.
(cloth pressing mechanism)
The cloth pressing 71 of cloth pressing mechanism 70 is to overlook to observe to be the roughly framework of C word shape, is set to compare lessly with mounting table 51, compares greatly with the framework 52a of band presser feet 52.This cloth pressing 71 is configured to, and at the upper surface of mounting table 51, around the framework 52a of band presser feet 52, but utilizes the supporter 72 beyond the mounting table 51 to be supported on the 2a of sewing machine base portion, can move and can lifting along Y direction.The lifting action of cloth pressing 71 carries out with cylinder 73 by cloth pressing, by descending, cloth C is pushed maintenance downwards from the top, by rising cloth C is decontroled.
In addition, the Y direction of cloth pressing 71 moves, and cloth is carried out as drive source with second Y-axis motor (pulse motor) 74.This second Y-axis motor 74 can at random be controlled cloth pressing 71 and make the amount of movement of cloth C to Y direction.
(control system of band sewing machine for sewing)
In addition, control module 80 has and is used for I/O interface 85 that various control objects and encoder 55,56 are connected with CPU 81.Promptly, via above-mentioned I/O interface 85, sewing machine electromotor 13, cylinder 33, X-axis motor 35, Y-axis motor 36, Z axle cylinder 37, revolving actuator 41, forked parts are connected with CPU 81 with cylinder 64, conveying motor 62, X-axis motor 53, Y-axis motor 54, cylinder 57, encoder 55 and 56 with cylinder 73, the second Y-axis motor 74, cut-out with cylinder 40, the cylinder 67 that relaxes, lax motor 68, cloth pressing.In addition, each cylinder 33,37,40,42,57,64,73 all via the not shown electromagnetic valve that this each cylinder is carried out intake and exhaust, is controlled its action.
In addition, as noted above, on control module 80, via I/O interface 85 attended operation unit 86 and beginning switch 89, this operating unit 86 has the touch-screen 87 and the display floater 88 that carries out the set information demonstration that is used to import various settings, and this begins switch 89 inputs and makes beginning.
In band sewing machine for sewing 10,, except with the inboard towards each other basic configuration of turning back in both ends, also have in a end and be folded into the stitching shape of making under the state of Z word shape band as the stitching shape of band.
Under the situation of making of carrying out above-mentioned stitching shape (hereinafter referred to as Z-shaped shape), as shown in Figure 4, need to set a plurality of parameters, its input is that the touch-screen 87 by operating unit 86 carries out.Parameter is described here.
Making of Z-shaped shape is with the order formation of stitching L1, L2, L3, L4.Corresponding, as parameter, utilize operating unit 86 to set the value of stitching L1-L2 apart from m3 apart from m2, stitching L3-L4 apart from m1, stitching L2-L3.
In addition, in addition, as the parameter of making that is used to carry out Z-shaped shape, utilize operating unit 86 to carry out following setting, that is, and for each stitching L1～L4, utilize which kind of tailoring pattern (kind that setting is made, for example for each stitching, select that locking is made, in the flat-seam etc. which kind of make) setting of making, and the setting of the length of band B, width etc.
The setting content of above-mentioned parameter is recorded among the EEPROM 84, is referenced when making control.In addition, for the necessary control parameter of the tailoring pattern that forms selected each stitching (for carry out that locking is made or flat-seam necessary at the actuating quantity of each pin or the sequential scheduling of action) be predetermined parameter, be set in advance among ROM 82 or the EEPROM 84, their value also is referenced.
In addition, as setup parameter apart from m2, be the distance of the position of the above-mentioned double sewing line on the band length direction with respect to the position of above-mentioned folding line stitching, be equivalent to " correcting value " in " the double sewing line position correction control (aftermentioned) " among the present invention.Therefore, operating unit 86 works as " correcting value setup unit ".
In addition, above-mentioned stitching L2 is used to stitching that band B is turned back, is equivalent to " folding line stitching ".Therefore, stitching L2 is carried out the operating unit 86 that tailoring pattern is set, work as " pattern setup unit ".
In addition, above-mentioned various parameters are an example, apart from the parameter setting beyond the tailoring pattern of m2 and stitching L2 not necessarily.For them, for example also can pre-determine fixed value, and with reference to these fixed values.In addition, the also numerical value of setpoint distance m2 not itself, and set other distances, utilize this other distances, can calculate apart from m2 by the addition subtraction multiplication and division computing, can substantially obtain thus apart from m2 (for example,, just can utilize the subtraction process of these values to obtain) apart from m2 as long as set the distance of stitching L1-L2 and the distance of stitching L1-L3.
Here, be example with making of making of above-mentioned Z-shaped shape, performed some controls that should stress of CPU 81 of control module 80 are described.
[1] double sewing line forms control
The program of CPU 81 by putting rules into practice, on the width of the band B of band clamping plate 31 clampings, the stitching L2 that formation is made as the folding line of folding line (with reference to Fig. 7 (C)), utilize the Y-axis motor 36 of clamp mechanism 30, make band clamping plate 31 move (with reference to Fig. 8 (A)) to the direction of turning back from this stitching L2, on the stitching L2 that is in the state that the band B that turned back blocks, form stitching L3 (with reference to Fig. 9 (A)) as double sewing line.
In above-mentioned control, because band sewing machine for sewing 10 adopts the structure of only carrying forked parts 38, so end for band B, can utilize forked parts to be turned back in this end, and square from it one-tenth stitching, but to be difficult to the problem of utilizing 38 pairs of other ends of forked parts to turn back in order solving, and, to utilize band clamping plate 31 to realize turning back for the other end.
Promptly, pulling by band clamping plate 31, with stitching L2 is that folding line is turned back band B, thus band B is turned back, and further becoming owing to turning back on double-deck end of turning back, make stitching L3 from the top, thereby realize to utilize the turning back of the other end of the band B that forked parts 38 turn back.
[2] double sewing line position correction control
Double sewing line position correction control is to form the execution of controlling with above-mentioned double sewing line to accompany and the control of execution.The program of CPU 81 by putting rules into practice, when the stitching L3 as double sewing line in double sewing line formation control forms, carry out following control, promptly, the second Y-axis motor 74 to cloth pressing mechanism 70 is controlled, with with as setting the corresponding of correcting value apart from m2, stitching L3 is proofreaied and correct with respect to the formation position of stitching L2.
In the prior art, since with cylinder as drive source, carry out the switching of stitching position, make so can only switch by the position at assigned position place, but band sewing machine for sewing 10 be owing to can utilize the second Y-axis motor 74 that cloth C is moved on Y direction via cloth pressing 71, overlaps that folding line stitching L2 goes up and the sewing position of the double sewing line L3 that makes so can make, accordingly, on Y direction, be offset with setpoint distance m2 (setting correcting value).
In addition, stitching L3 compares with stitching L2 and is formed on inboard (stitching L1 side), but is not limited to this, also can set corrected value, is formed on the outside so that stitching L3 compares with stitching L2.
[3] band returns control
Band returns control, is to form the execution of controlling with above-mentioned double sewing line to accompany and the control of execution.The program of CPU 81 by putting rules into practice, after folding line stitching L2 in double sewing line formation control forms, Y-axis motor 36 to clamp mechanism 30 is controlled, so that band clamping plate 31 move to the direction that band B is turned back, when stopping, band clamping plate 31 are returned to opposite direction slightly, and to be in the band B of state of extension lax because of pulling thereby make.
Thus, eliminated via band B making cloth C, eliminated cloth C is sewed up with band B under the state that is stretched, or each stitching position is because the problem of the former thereby generation distortion that pulls by the state that band clamping plate 31 pull.
(band sewing machine for sewing)
Based on flow chart shown in Figure 5 and the action specification figure of Fig. 6 to Figure 10, be example with the situation of making of carrying out above-mentioned Z-shaped shape, describe the action of making of band sewing machine for sewing 10 in detail.Following action control all is that the control of the CPU 81 by control module 80 is carried out.
At first, as the prerequisite of making, in band feed mechanism 60, carry motor 62 to carry jointless band with the length of a band B, and make and cut off, cut off, at the clamp mechanism 30 reception bands of receiving position standby at a band B place with cylinder 64 actions, by the action of cylinder 33, make band clamping plate 31 clamping band B.
Then, X-axis motor 35 is driven, position, so that the formation position of the stitching L1 of conduct first sewing position of band B is positioned at needle downing position below (step S1: Fig. 6 (A)).
Then, the action by cylinder 57 descends band presser feet 52, and maintenance is pushed in the end of band B, and the driving of band clamping plate 31 by Y-axis motor 36 be side shifting (step S2: Fig. 6 (B)) forward.Thus, band B with respect to band clamping plate 31 with specific length backward layback go out.
Then, sewing machine electromotor 13 drives and carries out and make, and forms stitching L1 (step S3).At this moment, X-axis motor 53 and Y-axis motor 54 are controlled, thereby for stitching L1, form stitching with the stitching pattern of selecting in advance, mounting table 51 and band presser feet 52 are positioned,, become the needle downing position corresponding with tailoring pattern with at each pin.In addition, in the action example here, stitching L1, L3, L4 are made by locking and form, and stitching L2 is formed by flat-seam.
If stitching L1 forms, then the action by cylinder 57 is risen (Fig. 6 (C)) band presser feet 52, in the mode of passing from its below, makes band clamping plate 31 side shifting backward under the driving of Y-axis motor 36.Thus, band B becomes the state (step S4: Fig. 7 (A)) that stitching L1 is turned back as folding line and at upside.In addition, be accompanied by the driving of Y-axis motor 36, the second Y-axis motor 74 drives, and makes cloth C and cloth pressing 71 with respect to mounting table 51, forward side shifting as above-mentioned setting value apart from ml.Thus, band B is positioned, so that the formation position of stitching L2 becomes needle downing position.
Then, the action by cylinder 57 descends band presser feet 52, and band B is pushed maintenances (step S5), and sewing machine electromotor 13 is driven and carries out and make, formation stitching L2 (step S6: Fig. 7 (B)).At this moment, X-axis motor 53 and Y-axis motor 54 are controlled, thereby, formed selected flat-seam as stitching L2.
If stitching L2 forms, then the action by cylinder 57 is risen (Fig. 7 (C)) band presser feet 52, in the mode of passing from its below, makes band clamping plate 31 side shifting forward under the driving of Y-axis motor 36.Thus, band B becomes the state (step S7: Fig. 8 (A)) that stitching L2 is turned back as folding line and at upside.
Then, carry out band and return control, make the driving of the band clamping plate 31 of side shifting forward by Y-axis motor 36, carry out the shift action that returns slightly to rear side, thus, the state that band B is dragged from layback forward becomes lax slightly state.
Then, the second Y-axis motor 74 drives, and makes cloth C and cloth pressing 71 with respect to mounting table 51, with as above-mentioned setting correcting value apart from m2, side shifting backward.Thus, B positions to band, so that the formation position of stitching L3 becomes needle downing position (step S8: Fig. 8 (B)).
Then, the action by cylinder 57 descends band presser feet 52, and band B is pushed maintenances (step S9), and sewing machine electromotor 13 drives and carries out and make, and formation is as the stitching L3 (step S10: Fig. 8 (C)) of double sewing line.
At this moment, X-axis motor 53 and Y-axis motor 54 are controlled, formed stitching L3 to make by locking according to setting.
In addition, step S5 is equivalent to form based on above-mentioned double sewing line the processing of control to the processing of above-mentioned step S10, and wherein the processing of the step S8 that carries out is equivalent to double sewing line position correction control.
If stitching L3 forms, then the action by cylinder 57 is risen (Fig. 9 (A)) band presser feet 52, and the second Y-axis motor 74 drives, and makes cloth C and cloth pressing 71 with respect to mounting table 51, with above-mentioned apart from m3 side shifting backward.At this moment, the driving by Y-axis motor 36 simultaneously makes band clamping plate 31 also follow cloth C and side shifting backward.But the amount of movement of band clamping plate 31 is compared less with the amount of movement of cloth C, its result, with band B from band clamping plate 31 backward layback go out, become the only state of the end of clamping front side.And, with the action of cylinder 40 forked parts 38 are advanced by forked parts, at the rear side of band clamping plate 31, forked parts 38 carry out standby (step S11: Fig. 9 (B)) with the state in two forks of band B being inserted its front end.
Then, by the driving of revolving actuator 41, carry out the spinning movement of forked parts 38, extract the end that will be clamped in the band B in the band clamping plate 31, and, being wound on the mode on the forked parts 38, with the end of band B to prescribed direction turn back (step S12: Fig. 9 (C)).
Then, action by cylinder 57 descends band presser feet 52, band B is pushed maintenance (step S13: Figure 10 (A)), by of the action of forked parts with cylinder 40, forked parts 38 are retreated, by the driving of X-axis motor 35, make band clamping plate 31 also retreat (step S14: Figure 10 (B)) to retreating position.
Under above-mentioned state, sewing machine electromotor 13 drives and carries out and make, and forms stitching L4.Then, if stitching L4 forms, then the action by cylinder 57 is risen band presser feet 52, and the Z-shaped shape of band B is sewed up and finished (step S15: Figure 10 (C)).
(effect of embodiment)
Band sewing machine for sewing 10 is owing to utilize the second Y-axis motor 74, can be on Y direction arbitrarily the position form each stitching, so when double sewing line forms control, can carry out following control, that is, utilize the second Y-axis motor 74, can with set correcting value (apart from m2) accordingly, with respect to the stitching L2 that is blocked, the formation position of double sewing line L3 is proofreaied and correct.Therefore, if Figure 11 (A), (B) and Figure 11 (C), (D) compared then as can be known, a kind of band sewing machine for sewing can be provided, its can change arbitrarily from band B turn back the end till the stitching L3 width M and make, stitching for band B, the requirement in the design can be satisfied, high the making of design can be carried out.
In addition, because by the second Y-axis motor 74, can with set correcting value accordingly, proofread and correct formation position to double sewing line L3, so as shown in figure 12, even not simultaneously at the thickness of band B, under thin situation, with double sewing line L3 to the inside (near in the middle of the length direction of band) carry out position correction, under thicker situation, with double sewing line L3 laterally (near the length direction end of band) carry out position correction, thereby can realize from the homogenising of the width M of end till the stitching L3 that turn back.
In addition, with respect to thin cloth C or band B, on folding line stitching L2, repeat to form under the situation of double sewing line L3, even, can't form on the band B under the situation of double sewing line L3 because the pulling when turning back makes the position skew of the end of turning back of band B, as shown in figure 13, also can be by setting to setting correcting value, can forming double sewing line L3, thereby on band B, form double sewing line exactly in the inboard of band B.
In addition; if with respect to thin cloth C or band B; on folding line stitching L2, repeat to form double sewing line L3; then may exist and repeatedly carry out a large amount of pins that falls; and cloth C or band B are caused the situation of damage; but in this case, form, so can realize protection to cloth C and band B owing to double sewing line L3 is departed from from folding line stitching L2.
And, existing owing to repeat to form stitching in same position makes stitching projection partly become the situation of big or hardening, but this situation also same as described abovely, forms owing to double sewing line L3 is departed from from folding line stitching L2, so can suppress the generation of projection or the generation of hardening part.
In addition, band sewing machine for sewing 10 owing to can utilize operating unit 86, is at random set to comprise and is set the distance value of correcting value between each interior stitching, so can easily carry out any correction to the stitching position as required.
In addition, owing to can utilize operating unit 86, to comprising folding line stitching L2 at each interior stitching, select to set tailoring pattern, so can with the kind of stitching accordingly, select suitable tailoring pattern, for example, this as folding line stitching etc., only form under the situation of stitching, in order to shorten the time of making, the flat-seam that selection can be made rapidly in order to turn back, for other the stitching that band is sewed up that is used for, select the superior locking of suture strength to make etc.
In addition, band sewing machine for sewing 10 returns control owing to utilize control module 80 to carry out band, so can avoid pulling because of 31 couples of band B of band clamping plate, and under the state that cloth C is pulled, make, or because of the pulling of 31 couples of band B of band clamping plate, make the situation of stitching position deviation, can realize the raising of quality of sewing.
(other)
In above-mentioned band sewing machine for sewing 10, only illustration the band B of Z-shaped shape sew up, but also can carry out the stitching that what is called is partly sealed (semi classic) specification, promptly, on the basis that the common band of being turned back to the inside in the both ends shown in Figure 14 (A) is sewed up or the end of the band B shown in Figure 14 (B) is sewed up, guarantee to turn back square from it one-tenth double sewing line at folding line stitching place than the turning back the end of length.Make kind for these, utilize operating unit 86 to make the selection of kind, utilize and the various corresponding operations of kind of making thus, execution is made.
In addition, even under the situation of making shown in Figure 14 (A) and/or Figure 14 (B), also can when turn back, the one end carry out above-mentioned double sewing line and form control.In addition, at this moment, also can carry out double sewing line position correction control.
In addition, even under the situation of making shown in Figure 14 (A) and/or Figure 14 (B), also can be after the folding line stitching forms, utilize band clamping plate 31 with the end of band when the direction of turning back pulls, carry out band and return control.
Claims (5)
1. band sewing machine for sewing, it has:
The suture needle reciprocating mechanism, it moves up and down suture needle;
The band clamping plate, it can clamping and can decontrol band;
The band presser feet, it is pushed described band by down maneuver;
Mounting table, its mounting is used to make the cloth of described band;
Cloth pressing, it keeps described cloth;
First travel mechanism, it makes described band presser feet and described mounting table move to along the optional position of the mounting surface of described mounting table with respect to described suture needle;
Second travel mechanism, it makes the described cloth that is kept by described cloth pressing, moves along the length direction of described band;
Clamping plate travel mechanism, it moves to along the optional position of the mounting surface of described mounting table described band clamping plate;
Bending mechanism, it has single forked parts, makes described single forked parts rotation and with described band bending, these forked parts insert described band between two forks that are formed on the front end; And
Control module, it carries out double sewing line and forms control, promptly, on the width of the described band of described band clamping plate clamping, form folding line stitching as folding line, utilize described clamping plate travel mechanism, described band clamping plate are moved to the direction of turning back from described folding line stitching, from being in the folding line stitching top under the state that the described band of being turned back blocks, form double sewing line
This band sewing machine for sewing is characterised in that,
Have the feed motor as the drive source of described second travel mechanism, it can be controlled as actuating quantity arbitrarily,
Control module, when the described double sewing line of execution forms control, can proofread and correct control, promptly, distance between the position of the position of the described folding line stitching on the described band length direction and described double sewing line is proofreaied and correct, with the correcting value of described distance accordingly, described feed motor is controlled, proofread and correct the formation position of described double sewing line.
2. band sewing machine for sewing according to claim 1 is characterized in that,
Have the correcting value setup unit, it is used to set the value of described correcting value.
3. band sewing machine for sewing according to claim 1 and 2 is characterized in that,
Have the pattern setup unit, it is used to set the tailoring pattern of described folding line stitching.
4. band sewing machine for sewing according to claim 1 and 2 is characterized in that,
Described control module forms in the control at described double sewing line, utilizing described clamping plate travel mechanism, makes described band clamping plate after the direction of turning back from described folding line stitching moves, by moving to reciprocal, and the action that the stretching of described cloth is recovered.
5. band sewing machine for sewing according to claim 3 is characterized in that,
Described control module forms in the control at described double sewing line, utilizing described clamping plate travel mechanism, makes described band clamping plate after the direction of turning back from described folding line stitching moves, by moving to reciprocal, and the action that the stretching of described cloth is recovered.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-099665 | 2009-04-16 | ||
| JP2009099665A JP5616587B2 (en) | 2009-04-16 | 2009-04-16 | Sewing machine with belt loop |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101864643A true CN101864643A (en) | 2010-10-20 |
| CN101864643B CN101864643B (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010150016 Active CN101864643B (en) | 2009-04-16 | 2010-04-16 | Band tailoring sewing machine |
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| JP (1) | JP5616587B2 (en) |
| CN (1) | CN101864643B (en) |
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| CN102535034A (en) * | 2010-12-09 | 2012-07-04 | Juki株式会社 | Belt loop sewing apparatus and method of controlling belt loop sewing apparatus |
| CN102877219A (en) * | 2011-07-15 | 2013-01-16 | Juki株式会社 | Sewing machine with circular seam |
| CN103194865A (en) * | 2012-01-10 | 2013-07-10 | Juki株式会社 | Belt ring sewing method and belt ring sewing machine |
| CN103306060A (en) * | 2012-03-05 | 2013-09-18 | Juki株式会社 | Sewing machine |
| CN105133206A (en) * | 2015-09-22 | 2015-12-09 | 宁波舒普机电股份有限公司 | Ribbon loom with material folding structure |
| CN105274737A (en) * | 2014-07-15 | 2016-01-27 | Juki株式会社 | Band ring sewing method and band ring sewing machine |
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| CN102535034B (en) * | 2010-12-09 | 2015-04-22 | Juki株式会社 | Belt loop sewing apparatus and method of controlling belt loop sewing apparatus |
| CN102535034A (en) * | 2010-12-09 | 2012-07-04 | Juki株式会社 | Belt loop sewing apparatus and method of controlling belt loop sewing apparatus |
| CN102877219B (en) * | 2011-07-15 | 2017-04-12 | Juki株式会社 | Sewing machine with circular seam |
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| CN103194865A (en) * | 2012-01-10 | 2013-07-10 | Juki株式会社 | Belt ring sewing method and belt ring sewing machine |
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| CN105274737B (en) * | 2014-07-15 | 2019-09-06 | Juki株式会社 | Band method of sewing and belt loop sewing machine |
| CN105133206A (en) * | 2015-09-22 | 2015-12-09 | 宁波舒普机电股份有限公司 | Ribbon loom with material folding structure |
| CN106087265A (en) * | 2016-08-26 | 2016-11-09 | 宁波市鄞州德艺缝制设备有限公司 | A kind of hoop sewing mechanism |
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| CN106319788A (en) * | 2016-08-26 | 2017-01-11 | 宁波市鄞州德艺缝制设备有限公司 | Sewing machine with annular sewing function |
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| CN106319788B (en) * | 2016-08-26 | 2018-09-25 | 宁波市鄞州德艺缝制设备有限公司 | It is a kind of can annular sewing sewing machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN101864643B (en) | 2013-06-19 |
| JP2010246742A (en) | 2010-11-04 |
| JP5616587B2 (en) | 2014-10-29 |
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