CN104120560B - The control method of sewing machine - Google Patents
The control method of sewing machine Download PDFInfo
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- CN104120560B CN104120560B CN201310143323.1A CN201310143323A CN104120560B CN 104120560 B CN104120560 B CN 104120560B CN 201310143323 A CN201310143323 A CN 201310143323A CN 104120560 B CN104120560 B CN 104120560B
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Abstract
The present invention provides a kind of control method of sewing machine, and it can prevent sewing up for the 2nd pin and the later upper line end of the 2nd pin, so as to carry out good sewing while cost increase is suppressed.The sewing machine has：Needle bar, it is by being kept and being lifted to penetrating the suture needle reached the standard grade in pin hole, and so as to insert suture needle to sewn object, make to reach the standard grade passes through to the rear side of sewn object；Kettle, it is arranged on the lower section of sewn object, by being linked with the lifting action of needle bar to be swung, is reached the standard grade so as to be caught using tip to what the rear side of sewn object passed through；Holding meanss, it keeps reaching the standard grade on upper thread path between thread take-up tension lever and suture needle, limits the movement reached the standard grade；And control unit, its in suture needle in the 2nd pin of sewn object, the tip of kettle is caught reach the standard grade after, drive holding meanss, so as to the movement reached the standard grade with stipulated time limitation.
Description
Technical field
The present invention relates to a kind of control method of the sewing machine sewed on the sewn objects such as cloth.
Background technology
Following problems in existing sewing machine be present：To the 1st when being sewed on sewn object, started in sewing
In pin, reach the standard grade be drawn into the rear side for the rear side of sewn object, remaining in the sewn object the end reached the standard grade it is elongated, make
Sewn object in appearance unsightly.In order to solve the problem, it is known that a kind of sewing machine, it, which has, shortens when sewing beginning
Pull in the line pulling off device reached the standard grade of the rear side of sewn object (for example, referring to patent document 1).
As shown in figure 8, the sewing machine has needle bar 107, the needle bar 107 has to be guided in a manner of through sewn object
The suture needle 108 of line 109, suture needle 108 are driven in a manner of up and down motion, and the sewing machine has：Kettle 110, it is formed in stitching
Middle hook reaches the standard grade 109；Thread take-up tension lever 118, its pick up reach the standard grade 109 wire loop；Upper wire holding portion 114, it is arranged on suture needle 108 to choosing
On upper thread path between line bar 118；And adjusting means 121 of reaching the standard grade, it is utilizing the line supply side compared with thread take-up tension lever 118
Upper thread path acted state when, to line tension as defined in 109 applications of reaching the standard grade.Also, in thread take-up tension lever 118 and reach the standard grade
There is line pulling off device 124 on upper thread path between adjusting means 121.
In above-mentioned sewing machine, by by line pulling off device 124 and thread take-up tension lever 118 raise by sew start from quilt
The upper line end of the rear side extension of sewing object retracts, and is pulled in thus, it is possible to shorten in the 1st pin that sewing starts to sewn object
Rear side upper line end.
Patent document 1：Japanese Utility Model logs in No. 3175658 publication
But in above-mentioned sewing machine, due to setting the line pulling off device of complicated structure in the upstream side of thread take-up tension lever 118
124, so in the presence of because of components number increase and the problem of Expenses Cost.
The content of the invention
The present invention is exactly to propose in view of the foregoing, its object is to, there is provided a kind of sewing machine and its control method,
It can while cost increase is suppressed, shorten remain in sewn object rear side upper line end, can prevent the 2nd pin and
The later upper line end of 2nd pin sews up, so as to carry out good stitching sewing.
The control method of the sewing machine of the present invention, wherein, the sewing machine has：
Needle bar, it is by being kept and being lifted to penetrating the suture needle reached the standard grade in pin hole, so as to be inserted to sewn object
Enter the suture needle, pass through the rear side reached the standard grade to the sewn object；
Kettle, it is arranged on the lower section of the sewn object, by being linked with the lifting action of the needle bar to be swung,
So as to using tip catch to the rear side of the sewn object pass through described in reach the standard grade；
Holding meanss, it is reached the standard grade described in holding on the upper thread path between the suture needle and thread take-up tension lever, limited in driving
The movement reached the standard grade described in system；
The driving source of the holding meanss；And
Control unit, it is controlled to the driving source,
The control method of the sewing machine is characterised by,
The control unit, reached the standard grade in the suture needle in the 2nd pin of the sewn object, the tip of the kettle is caught
Afterwards, drive the holding meanss, reached the standard grade so as to keep described, with the stipulated time limit described in the movement reached the standard grade.
According to the control method of the sewing machine of the present invention, in suture needle in the 2nd pin of sewn object, being filled by using holding
Put holding to reach the standard grade, so as to the movement reached the standard grade with stipulated time limitation.So, reach the standard grade and caught by the tip of kettle, is drawn into needle plate
Lower section, but do not moved downwards from reaching the standard grade of being connected with bobbin of holding meanss, only make what is be connected from holding meanss with sewn object
Partial reaching the standard grade is pulled in by kettle, pulls in the leading section reached the standard grade of the rear side of sewn object and is pulled.Thus, shortening remains in
The length of the leading section reached the standard grade of the rear side of sewn object, the leading section for preventing from reaching the standard grade after the 2nd pin and the 2nd pin are sewed up
The problem of stitching.
Therefore, it is not necessary to the line pulling off device of the complicated structure with multiple parts is set, it is possible to easily shorten
The length of the leading section reached the standard grade of the rear side of sewn object is remained in, the upper line end after the 2nd pin and the 2nd pin can be prevented
Sew up, good sewing can be carried out.
In addition, in the control method of the sewing machine of the present invention, preferably at the tip of the suture needle and the kettle
Between position consistency after, the time untill the amount of pulling in reached the standard grade is pulled in using the tip of the kettle and turns into maximum
It is interior, adjust the stipulated time.
According to the control method of the sewing machine of the present invention, by with pulled in the 1st pin it is upper to the back side of sewn object
The length of line and the thickness of sewn object etc. are corresponding, in the position consistency between suture needle and the tip of kettle, tip seizure
The wire loop of line reach the standard grade catch the moment, until pulled in using the tip of kettle the amount of pulling in reached the standard grade as it is maximum at the time of untill when
In, any adjustment is reached the standard grade the mobile stipulated time using holding meanss limitation, is stitched so as to be easily adjusted to remain in
The length of the leading section reached the standard grade of the rear side of thing processed.
In addition, in the control method of the sewing machine of the present invention, preferably described control unit is stitched in the suture needle to described
In 1st pin of thing processed, the tip of the kettle is caught reach the standard grade after, drive the holding meanss, reached the standard grade so as to keep described,
With the stipulated time limit described in the movement reached the standard grade.
According to the control method of the sewing machine, by suture needle in the 1st pin of sewn object, being kept using holding meanss
Reach the standard grade, so as to the movement reached the standard grade with stipulated time limitation.So, reach the standard grade and caught by the tip of kettle, is drawn into needle plate, but
Do not moved downwards from reaching the standard grade of being connected with bobbin of holding meanss, only reaching the standard grade from the part that holding meanss are connected with sewn object
Pulled in, the leading section reached the standard grade can be pulled in the lower section of needle plate 2 by kettle.
The effect of invention
According to the present invention it is possible to provide a kind of sewing machine and its control method, its can while cost increase is suppressed,
Shorten the length of the upper line end for the rear side for remaining in sewn object, prevent sewing up for the 2nd pin and the later upper line end of the 2nd pin,
So as to carry out good sewing.
Brief description of the drawings
Fig. 1 is represent structure division possessed by the sewing machine involved by embodiments of the present invention near needle bar oblique
View.
Fig. 2 is to represent the side view near the needle bar of the sewing machine involved by embodiments of the present invention.
Fig. 3 is to represent the oblique view near the needle bar of the sewing machine involved by embodiments of the present invention.
Fig. 4 is to represent that bobbin possessed by the sewing machine involved by embodiments of the present invention, thread take-up tension lever, kettle, line are kept
The skeleton diagram of device etc..
Fig. 5 is to represent that bobbin possessed by the sewing machine involved by embodiments of the present invention, thread take-up tension lever, kettle, line are kept
The specific figure of device etc..
Fig. 6 is the block diagram for the major control structure for representing the sewing machine involved by embodiments of the present invention.
Fig. 7 is the timing diagram for the action example for representing the sewing machine involved by embodiments of the present invention.
Fig. 8 is the oblique view near the needle bar of the sewing machine with line pulling off device.
The explanation of symbol
7 suture needles
7a pin holes
8 needle bars
43 reach the standard grade
43 ' the leading sections reached the standard grade
45 holding meanss
46 kettles
46a tips
50 driving sources
70 control units
The tb stipulated times
W sewn objects
Embodiment
Below, using the sewing machine for the control method that can realize sewing machine involved in the present invention, to the control method
Embodiment illustrate.
As shown in FIG. 1 to 3, sewing machine 1 has：Upper feeding pin 3, it connects from top and the sewn object W on needle plate 2
In the state of touching, moved along the direction of feed that prescribed direction is so-called sewn object W and sewn object W is conveyed；Presser feet
4, it presses sewn object W towards needle plate 2 from top；1st actuating mechanism 5, it makes upper feeding pin 3 and presser feet 4 carry out each other
As the reciprocating action of the above-below direction of opposite phase；And the 2nd actuating mechanism 6, it makes upper feeding pin 3 carry out horizontal direction
The reciprocating action of (direction of feed).
Upper feeding pin 3 supports by vertically extending support stick 9, with along the needle bar 8 that suture needle 7 is kept in lower end
Length direction.Upper feeding pin 3 is pressurized from above by the sewn object W being placed on needle plate 2, and with being advised from the lower section of needle plate 2
Fixed timing clamps sewn object W to the feeding tooth 10 that needle plate 2 protrudes above, and is conveyed along direction of feed.In the upper feeding pin 3
On formed for make suture needle 7 insert patchhole 12.
As shown in figure 4, there is pin hole 7a in the leading section of suture needle 7, penetrated in pin hole 7a and reach the standard grade 43.The suture needle 7 is protected
Hold on needle bar 8.
As shown in FIG. 1 to 3, the part that needle bar 8 is to maintain suture needle 7 and lifted, via connecting rod 15 and it is arranged on
The eccentric cam 14 of the front end of axle 13 links, and along with being pivoted for upper axle 13, acts and is lifted along the vertical direction.Should
Needle bar 8 is installed as making its length direction configure substantially in parallel relative to upper feeding pin 3 along above-below direction.
Presser feet 4 is arranged relative to direction of feed of the upper feeding pin 3 along sewn object W, by vertically extending
Pressing bar 16 supports.Presser feet 4 is the part for the sewn object W being pressurized from above by needle plate 2, and the front end of presser feet 4 is with from upper and lower
It is bent to form to the mode extended to the face direction of needle plate 2, sewn object W is separated to the part pressed on needle plate 2 and formed
For two forks.
1st actuating mechanism 5 has the connecting member 19 linked with swing mechanism 18.As shown in Fig. 2 connecting member 19 is formed
For roughly triangular shape, wherein, can be free with swing mechanism 18 as the 1st linking part 21 using 1 apex portion above
Rotationally link.In addition, in remaining 2 apex portion of connecting member 19, by positioned at the apex of direction of feed upstream side
Be allocated as the 2nd linking part 22, using positioned at the apex portion in downstream as the 3rd linking part 23.
On the 2nd linking part 22, link support stick 9 via linkage component 33, be linked with the 3rd linking part 23 by
Pressure bar 16.On pressing bar 16, the joint portion 34 linked with the 3rd linking part 23 and spring 16a are provided with.Pressing bar 16 utilizes warp
The power of the swing mechanism 18 transmitted from connecting member 19 to joint portion 34 and lifted.In addition, using spring 16a to pressing
Rod 16 applies pretightning force, so that it declines.
Joint portion 34 is movably supported on sewing machine stand, and with prolonging towards the left side extension in Fig. 3
Extending portion 35.On extension 35, square block 36 free to rotate is installed.
The corner 37a of raising wire 37 axles in a manner of free to rotate are supported on sewing machine stand.Also, raising wire 37
One end is shaped generally as U-shaped, and with chimeric with square block 36, the piston rod 39 of cylinder 38 is linked on the other end.By
This, raising wire 37 is in the state of being rotatably supported on sewing machine stand, via square block 36 and joint portion 34
Link with pressing bar 16.Due to using this construction, so being moved along with the rotation of raising wire 37, joint portion 34 lifts, pressed
Pressure bar 16 and support stick 9 lift.
As shown in FIG. 1 to 3, swing mechanism 18 and the upper axle 13 by sewing machine electromotor 24 (reference picture 6) rotation driving
Link.Also, the swing mechanism 18 transmits the driving force of sewing machine electromotor 24 to the 1st actuating mechanism 5 via upper axle 13.More
Specifically, swing mechanism 18 has：Swinging axle 25, it links via eccentric cam (omit and illustrate) with upper axle 13；The company of transmission
Bar 26, one end of itself and swinging axle 25 link；And swing connecting bar 27, its one end rotatably connect with transmitting connecting rod 26
Knot, the 1st coupling position 21 of the other end and connecting member 19 rotatably link.
Transmit connecting rod 26 and be configured to make its length direction that swing connecting bar 27 is configured to make its length direction along above-below direction
It is orthogonal with transmitting connecting rod 26.
2nd actuating mechanism 6 makes upper feeding pin 3 and needle bar 8 carry out the reciprocating action of horizontal direction (direction of feed).At this
As shown in Fig. 2 having in 2nd actuating mechanism 6：Transferring element 28, it links via eccentric cam (omit and illustrate) with upper axle 13；
1st bar 29, it rotatably links with transferring element 28；2nd bar 30, it rotatably links with the 1st bar 29；Draw
Extending portion part 31, it rotatably links with the 2nd bar 30；And swing frame 32, its rotatably with tensile part 31
Link.Near the bottom of swing frame 32, the linking part between tensile part 31, be provided with support upper feeding pin 3 with
And the supporting part 11 of needle bar 8, the upper end of swing frame 32 are rotatably supported by sewing machine stand (not shown).
In addition, the bobbin 40 as supply source of reaching the standard grade is configured with sewing machine 1 as shown in figure 4, on sewing machine stand.From
What bobbin 40 pulled out reach the standard grade 43 via the 1st line adjustment portion 41, the 2nd line adjustment portion 42 and thread take-up tension lever 44 until suture needle 7.In addition,
There are holding meanss 45 in sewing machine 1, it is configured on the upper thread path between thread take-up tension lever 44 and suture needle 7, and limitation is reached the standard grade
43 movement.
Holding meanss 45 are for example as shown in figure 5, having components described below and forming：The driving source such as cylinder or solenoid 50；Shell
Body 45A, it houses driving source 50；And holding plate 45B, it is supported on the movable part of driving source 50, and with above-mentioned housing
Gap is formed between 45A front end.The holding meanss 45 are by inputting driving letter from control unit 70 (reference picture 6) to driving source 50
Number ON and drive, by the way that holding plate 45B is pulled in housing 45A directions, so as to be sandwiched simultaneously using holding plate 45B and housing 45A
Holding reaches the standard grade 43.So, reach the standard grade and 43 kept by holding meanss 45, limit its movement.
Be configured with kettle 46 in the downside of needle plate 2, the kettle 46 catch using the suture needle 7 for falling pin to sewing object and being run through and
43 are reached the standard grade into the lower section of needle plate 2.Sophisticated 46a is provided with kettle 46.Kettle 46 links and rotated with upper axle 13, in upper axle
When 13 rotations are to the defined anglec of rotation, sophisticated 46a catch needle plate it is formed below reach the standard grade 43 wire loop.Herein, upper
Encoder 47 (reference picture 6) is installed on axle 13, its be used to detecting the sophisticated 46a of kettle 46 catch reach the standard grade 43 wire loop when rotation
Angle.
Fig. 6 is the block diagram for the major control structure for representing sewing machine 1.As shown in fig. 6, being electrically connected on sewing machine 1 has：
Guidance panel 71, driving source 50, sewing machine electromotor 24, cylinder 38 and the encoder 47 of various instructions are inputted, and is provided with
The control unit 70 being controlled to each part mentioned above.
If control unit 70 is controlled to sewing machine electromotor 24, rotate axle 13, then as shown in FIG. 1 to 3, warp
Needle bar 8 is lifted by eccentric cam 14 and connecting rod 15.Now, swinging axle 25 links and rotated with upper axle 13, the rotation
Power transmits via transmission connecting rod 26 and swing connecting bar 27 to connecting member 19.
If right side of the connecting member 19 into Fig. 2 is extruded using swing connecting bar 27, support stick 9 and upper feeding pin
3 decline, and fall on sewn object W.If swing connecting bar 27 is further extruded to the right since the state, due to enterprising
Fall to pin 3 on sewn object W and can not continue to decline, so connecting member 19 is suitable centered on the 2nd coupling position 22
Hour hands rotate, and pressing bar 16 and presser feet 4 rise.
Then, if swing connecting bar 27 swaying direction reversion, connecting member 19 is retracted to the left, then pressing bar 16 with
And presser feet 4 declines, fall on sewn object W.If swing connecting bar 27 further retracted to the left since the state, by
Fall in presser feet 4 on sewn object W and can not continue to decline, so connecting member 19 is centered on the 3rd coupling position 23
Rotate counterclockwise, support stick 9 and upper feeding pin 3 rise.Thus, presser feet 4 and upper feeding pin 3 are carried out with substantially opposite phase
Move up and down, alternately fall and press sewn object W.In addition, needle bar 8 essentially synchronously moves up and down with upper feeding pin 3.
In addition, on upper axle 13, link transferring element 28 via eccentric cam (not shown) due to as noted above, institute
The rotation of above axle 13 is passed with the order of transferring element 28, the 1st bar 29, the 2nd bar 30, makes tensile part 31 in the horizontal direction
Swing.Pass through the swing of tensile part 31 so that swing frame 32 using its upper end as branch spot wobble, therefore upper feeding pin 3 also to
Direction of feed is swung.It is as noted above, lifted by making upper feeding pin 3 while being swung to direction of feed, so as to be stitched
Thing W processed conveys along direction of feed.
Below, for above-mentioned sewing machine 1 control unit 70 sewing start when drive control, exemplify Fig. 7 when
Sequence figure and illustrate.
First, on needle plate 2 set sewn object W when, control unit 70 make sewing machine electromotor 24 stop in the state of,
Cylinder 38 is controlled, obtains the state for making upper feeding pin 3 and presser feet 4 increase.Thus, in upper feeding pin 3 and presser feet 4
Gap is formed between needle plate 2, sewn object W can be made to enter the gap by user.
If user inputs pressing instruction (T1) after sewn object W is set to guidance panel 71, driven by control unit 70
Take offence cylinder 38, decline upper feeding pin 3 and presser feet 4.Thus, sewn object W is pressed using upper feeding pin 3 and presser feet 4.
Then, if user indicates (T2) since guidance panel 71 inputs sewing, control unit 70 makes sewing machine electronic
Machine 24 drives, and rotates axle 13.Thus, the sewing to sewn object W is started.
Below, the control when sewing to sewn object W starts is illustrated.
(the 1st pin)
In the 1st pin (T2~T3) that sewing starts, if the anglec of rotation of the upper axle 13 obtained by encoder 47 turns into
Using kettle 46 catch reach the standard grade 43 seizure angle, i.e. as when needle bar 8 is begun to ramp up from lower dead center formed reach the standard grade 43 line
Position consistency between the sophisticated 46a of ring, suture needle 7 and kettle 46, sophisticated 46a catch 43 the reaching the standard grade for wire loop of reaching the standard grade and catch the moment
(TA), then control unit 70 make driving source 50 connect stipulated time ta, drive holding meanss 45, limitation reach the standard grade 43 movement.
Under the state, expand wire loop due to the rotation along with kettle 46, while around kettle, therefore, by the tip of kettle 46
What 46a was caught reach the standard grade 43 is pulled in the lower section of needle plate 2.Now, due to 43 moving limit to reaching the standard grade using holding meanss 45
System, so 43 not moved downwards from the reaching the standard grade of being connected with bobbin 40 of holding meanss 45, only it is connected from holding meanss 45 with suture needle 7
Reaching the standard grade for part 43 moved with pulling in kettle 46.And final, the leading section 43 ' reached the standard grade is drawn into needle plate 2
Side's (sewn object W rear side).In addition, reaching the standard grade and 43 pulling in actuation time (ta) at this, control unit 70 drives cylinder 38
It is dynamic, upper feeding pin 3 and presser feet 4 is increased.Thus, upper feeding pin 3 and presser feet 4 is not recycled 43 to be pressed to reaching the standard grade,
The leading section 43 ' reached the standard grade successfully is pulled in sewn object W rear side.
In addition, for drive holding meanss 45 and keep reaching the standard grade 43 stipulated time ta, can be stitched when suture needle 7 rises
Position consistency between pin 7 and the sophisticated 46a of kettle 46, sophisticated 46a catch 43 the reaching the standard grade for wire loop of reaching the standard grade and catch the moment, until profit
In time untill 43 amount of pulling in of reaching the standard grade is pulled in the sophisticated 46a of kettle 46 at the time of turning into maximum, any adjustment.
(the 2nd pin)
In the 2nd pin (T3~T4) that sewing starts, if the anglec of rotation of the upper axle 13 obtained by encoder 47 turns into
Using kettle 46 catch reach the standard grade 43 seizure angle, i.e. as when needle bar 8 is begun to ramp up from lower dead center formed reach the standard grade 43 line
Position consistency between the sophisticated 46a of ring, suture needle 7 and kettle 46, sophisticated 46a catch 43 the reaching the standard grade for wire loop of reaching the standard grade and catch the moment
(TB), then control unit 70 makes driving source 50 connect stipulated time tb set in advance, drives holding meanss 45, grasping is reached the standard grade
43。
In this condition, expand wire loop due to the rotation along with kettle 46, while around kettle, therefore, by
What the sophisticated 46a of kettle 46 was caught reach the standard grade 43 is pulled in the lower section of needle plate 2.Now, 43 it is kept device 45 due to reaching the standard grade and keeps
And limit movement, so 43 do not moved downwards from the reaching the standard grade of being connected with bobbin 40 of holding meanss 45, only from holding meanss 45 and
43 the pulling in and move with kettle 46 of reaching the standard grade of part connected sewn object W.Thus, pulled in the 1st pin to sewn object W
Rear side the leading section 43 ' reached the standard grade it is mobile to the direction (direction of arrow in Fig. 4) that retracts.Remained in thus, it is possible to shorten
The length of the leading section 43 ' reached the standard grade of sewn object W rear side.
In addition, for drive holding meanss 45 and keep reaching the standard grade 43 stipulated time tb, can be stitched when suture needle 7 rises
Position consistency between pin 7 and the sophisticated 46a of kettle 46, sophisticated 46a catch 43 the reaching the standard grade for wire loop of reaching the standard grade and catch moment (TB), straight
It is any to adjust in time at the time of 43 amount of pulling in of reaching the standard grade is pulled in using the sophisticated 46a of kettle 46 and turns into maximum untill (TBmax)
It is whole.That is, by with pull in the sewn object W back sides reach the standard grade 43 length and sewn object W thickness etc. it is corresponding, to making guarantor
The stipulated time tb for holding the driving of device 45 is adjusted, and reaching the standard grade to the sewn object W back sides is pulled in so as to be easily adjusted
Leading section 43 ' length.
(after the 3rd pin and the 3rd pin)
It is common without the drive control of holding meanss 45, utilization after the 3rd pin and the 3rd pin (T4 and T4 after)
Sewing action sewing sewn object W.
It is as noted above, according to present embodiment, in suture needle 7 in sewn object W the 2nd pin, being filled by using holding
Put 45 holdings and reach the standard grade 43, so as to 43 shifting downwards of reaching the standard grade being connected with stipulated time tb limitations from holding meanss 45 with bobbin 40
It is dynamic, only make 43 the pulling in move by kettle 46 of reaching the standard grade with the sewn object W parts being connected from holding meanss 45.So, draw
Enter the direction movement retracted to the leading section 43 ' reached the standard grade of sewn object W rear side along with the rotation of kettle 46 to kettle.By
This, shortens the length of the leading section 43 ' reached the standard grade for the rear side for remaining in sewn object W, prevents after the 2nd pin and the 2nd pin
The problem of leading section 43 ' reached the standard grade is sewed up stitching.
Therefore, it is not necessary to the line pulling off device of the complicated structure with multiple parts is set, it is possible to easily shorten
The length of the leading section 43 ' reached the standard grade of sewn object W rear side is remained in the 2nd pin, thus, it is possible to increase suppressing cost
While adding, sewing up for the leading section 43 ' that prevents from reaching the standard grade after the 2nd pin and the 2nd pin, good sewing can be carried out.
In addition, by the back side with pulling in sewn object W reach the standard grade 43 length and sewn object W thickness etc. it is relative
Should, in the position consistency between suture needle 7 and the sophisticated 46a of kettle 46, sophisticated 46a catch reach the standard grade 43 wire loop reach the standard grade seizure when
Carve (TB), in the time at the time of amount of pulling in of reaching the standard grade turns into maximum untill (TBmax), any adjustment utilizes holding meanss 45
Keep reach the standard grade 43 stipulated time tb, so as to the length for the leading section 43 ' reached the standard grade being easily adjusted in the 2nd pin.
In addition, keep reaching the standard grade using holding meanss 45 43 control, may not be on the basis of the time, but with by compiling
It is controlled on the basis of the anglec of rotation for the upper axle 13 that code device 47 obtains.Specifically, can also be in the point from suture needle 7 and kettle 46
Hold the position consistency between 46a, sophisticated 46a catch reach the standard grade 43 wire loop when upper axle 13 the anglec of rotation, until utilizing kettle 46
Sophisticated 46a pull in the anglec of rotation of upper axle 13 when 43 amount of pulling in of reaching the standard grade turns into maximum, upper line absorption maximum untill
In the rotation angle range of arbitrary upper axle 13, be controlled, with using holding meanss 45 reach the standard grade 43 holding.
Claims (3)
1. a kind of control method of sewing machine, wherein, the sewing machine has：
Needle bar, it is by being kept and being lifted to penetrating the suture needle reached the standard grade in pin hole, so as to insert institute to sewn object
Suture needle is stated, passes through the rear side reached the standard grade to the sewn object；
Kettle, it is arranged on the lower section of the sewn object, by being linked with the lifting action of the needle bar to be swung, so as to
Using tip catch to the rear side of the sewn object pass through described in reach the standard grade；
Holding meanss, it is reached the standard grade described in holding on the upper thread path between the suture needle and thread take-up tension lever in driving, limits institute
State the movement reached the standard grade；
The driving source of the holding meanss；And
Control unit, it is controlled to the driving source,
The control method of the sewing machine is characterised by,
The control unit, in the suture needle in the 2nd pin of the sewn object, the tip of the kettle is caught reach the standard grade after,
Drive the holding meanss, reached the standard grade so as to keep described, with the stipulated time limit described in the movement reached the standard grade.
2. the control method of sewing machine according to claim 1, it is characterised in that
After position consistency between the suture needle and the tip of the kettle, until being pulled in using the tip of the kettle
The amount of pulling in reached the standard grade adjusts the stipulated time as in the time untill maximum.
3. the control method of sewing machine according to claim 1 or 2, it is characterised in that
The control unit, in the suture needle in the 1st pin of the sewn object, the tip of the kettle is caught reach the standard grade after,
Drive the holding meanss, reached the standard grade so as to keep described, with the stipulated time limit described in the movement reached the standard grade.
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| CN201310143323.1A CN104120560B (en) | 2013-04-23 | 2013-04-23 | The control method of sewing machine |
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| CN201310143323.1A CN104120560B (en) | 2013-04-23 | 2013-04-23 | The control method of sewing machine |
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| CN107059267B (en) * | 2017-06-16 | 2019-07-12 | 杰克缝纫机股份有限公司 | A kind of simple take-up regulating mechanism of sewing machine and sewing machine |
| CN110528194A (en) * | 2018-05-23 | 2019-12-03 | 天津宝盈电脑机械有限公司 | A kind of synchronous presser foot device for transverse joint head |
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|---|---|---|---|---|
| JP3496424B2 (en) * | 1997-01-17 | 2004-02-09 | 三菱電機株式会社 | Sewing machine control device |
| JP4017745B2 (en) * | 1998-05-28 | 2007-12-05 | Ｊｕｋｉ株式会社 | Sewing machine control device |
| JP2002177678A (en) * | 2000-12-13 | 2002-06-25 | Juki Corp | Sewing machine |
| JP4020692B2 (en) * | 2002-05-08 | 2007-12-12 | 三菱電機株式会社 | Needle feed sewing machine |
| JP4614755B2 (en) * | 2004-12-13 | 2011-01-19 | Ｊｕｋｉ株式会社 | sewing machine |
| JP2007296254A (en) * | 2006-05-08 | 2007-11-15 | Morimoto Mfg Co Ltd | Sewing machine |
| JP2007296253A (en) * | 2006-05-08 | 2007-11-15 | Morimoto Mfg Co Ltd | Sewing machine |
| JP2009201930A (en) * | 2008-02-29 | 2009-09-10 | Juki Corp | Controller for automatic thread-cutting sewing machine |
| JP2012176182A (en) * | 2011-02-28 | 2012-09-13 | Brother Ind Ltd | Sewing machine |
-
2013
- 2013-04-23 CN CN201310143323.1A patent/CN104120560B/en active Active
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| Publication number | Publication date |
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| CN104120560A (en) | 2014-10-29 |
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