CN107237051A - A kind of shawl fillet side seam method and surrounding seam processing method - Google Patents
A kind of shawl fillet side seam method and surrounding seam processing method Download PDFInfo
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- CN107237051A CN107237051A CN201710692096.6A CN201710692096A CN107237051A CN 107237051 A CN107237051 A CN 107237051A CN 201710692096 A CN201710692096 A CN 201710692096A CN 107237051 A CN107237051 A CN 107237051A
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- shawl
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- seam
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B21/00—Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. programme-controlled for sewing collars, for attaching pockets
- D05B21/002—Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. programme-controlled for sewing collars, for attaching pockets consisting of lateral displacement of the workpieces by a feed-dog or a fluted presser foot
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Abstract
The invention provides a kind of shawl fillet side seam method and surrounding seam processing method, belong to stitching process field.It solves the problems such as existing shawl fillet side seam method sewing efficiency is low, shawl fillet sewing quality is poor.This shawl round edge seam method includes：A, the starting point of shawl fillet are moved at eedle drop point, while b, control system control sewing main body sewing, control system controls auxiliary feeding mechanism to drive shawl to be rotated on platen by pivot of the center of shawl W, and synchronously drive shawl to make translational motion L on platen, rotary motion W and translational motion L superpositions make the position in the center of circle of shawl fillet keep constant, and shawl is rotated by pivot of the center of circle of shawl fillet S, the side seam of shawl fillet is completed after c, rotary motion W rotational angles θ.This method improves sewing efficiency while ensure that the sewing quality of shawl fillet side seam.
Description
Technical field
The invention belongs to stitching process field, it is related to a kind of shawl fillet side seam method and surrounding seam processing method.
Background technology
Shawl is a kind of rectangular or square shaped sewing, needs the edge in shawl to be wrapped after shawl is cut
Seam, the corner of shawl is right angle or fillet.
Sewing machine is exactly the machine for being sutured sewing by suture.Sewing machine includes flat seam machine, chain and stitches machine, overedger, stretches tight
Seam machine and lockstitch button holder etc..Overedger refers to the sewing machine for completing overseam sewing, overseam be cursor line, looper thread from connecting, interconnect, will
Sewing bound edge or the sewing of suture.Common sewing machine includes sewing main body, and sewing main body includes needle bar mechanism, feeder
Structure, string-hooking mechanism and hold-down mechanism etc., sewing is placed on feed mechanism, is then compressed sewing by hold-down mechanism, then
It can just be sewed by the cooperation of needle bar mechanism and string-hooking mechanism on sewing.For different lines of being sewed out on sewing
Mark generally requires manually to carry out auxiliary feeding, i.e., sewing is swung on the platen of sewing machine manually.
In order to improve the sewing efficiency of sewing machine, people have developed automatic sewing machine, and automatic sewing machine generally comprises auxiliary
Feed mechanism, sewing main body and control system, are coordinated to sewing by control system control sewing main body and auxiliary feeding mechanism
Sewed, the stitching of needs is produced on sewing.Chinese patent literature data, which is disclosed, proposes a kind of [application of shawl serger
Number：201210286422.0；Notification number：102808293B], including top has a frame of working face, the top tool of frame
There are two columns being oppositely arranged, the upper end of column is fixed with the crossbeam parallel with working face, crossbeam that be sequentially provided with can be by
Feeding unit material that shawl is delivered on working face, the unit and can be by shawl of binding off bound off to the shawl on working face
The blanking unit removed from working face, crossbeam is provided with guide rail, and feeding unit material and blanking unit can laterally be moved along the guide rail
It is dynamic, the fixation rotary unit that shawl can be fixed and made it circumferentially rotate is additionally provided with crossbeam, fixed rotary unit energy edge is led
Rail transverse shifting.And a kind of method that shawl binds off is disclosed, during start-up operation, shawl is delivered to working face by feeding unit material
On, shawl is fixed by fixed rotary unit, now shawl bound off by the unit that binds off；When one side of shawl has been bound off
Bi Hou, fixed rotary unit drives shawl to rotate 90 degree, and the unit that binds off binds off to the second side of shawl；By that analogy, directly
Bind off after finishing, removed shawl to four sides of shawl by blanking unit.
The bind of above-mentioned shawl of corner in to(for) two sides directly skips over processing by being rotated by 90 ° progress, by
It is right angle in above-mentioned shawl corner, the influence to sewing quality is smaller.This processing when the corner of shawl is fillet
Method can make the overseam degradation of shawl fillet, so as to influence the sewing quality of whole piece shawl.Shawl of the sewing with fillet
Conventional technical means be that the sewing for first completing straight flange is individually sewed to each fillet again, and sew fillet when often sew one
Individual fillet will retighten a shawl, and sewing efficiency is low.
The content of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of shawl fillet side seam method,
The technical problem of solution is how to improve sewing efficiency while the sewing quality of shawl round edge seam is ensured.Propose simultaneously
A kind of surrounding seam processing method, the technical problem of solution is how to improve sewing while shawl side seam sewing quality is ensured
Efficiency.
The purpose of the present invention can be realized by following technical proposal：
A kind of shawl fillet side seam method, using the sewing machine with auxiliary feeding mechanism, it is characterised in that shawl fillet
Side seam method includes：
A, the starting point of shawl fillet are moved at eedle drop point, shawl round edge along be pressed in presser feet and feeding tooth it
Between,
While b, control system control sewing main body sewing, control system control auxiliary feeding mechanism drives shawl in platform
Rotate W on plate by pivot of the center of shawl, and synchronously drives shawl to make translational motion L on platen, rotates
Motion W and translational motion L superposition make shawl fillet the center of circle position keep it is constant, and make shawl using the center of circle of shawl fillet as
Pivot rotates S,
The side seam of shawl fillet is completed after c, rotary motion W rotational angles θ, wherein θ is the angle of shawl fillet.
The sewing main body of sewing machine is used to sew, and auxiliary feeding mechanism drives shawl to rotate peace on the platen of sewing machine
Move, control system control sewing main body sewing and auxiliary feeding mechanism action.During sewing, by auxiliary feeding mechanism make shawl with
The center of circle of shawl fillet is that pivot rotates S, and sewing machine can be formed and round edge on the edge of shawl fillet
The consistent circular arc stitching of across pitch, it is ensured that the sewing quality of shawl fillet edge.In using shawl center as rotation
The rotary motion W of the heart and the translational motion L of shawl coordinate sewing main body to complete the sewing of fillet, and so there is no need to each in sewing
Shawl is repositioned during individual fillet and is installed on auxiliary feeding mechanism, can make just be rapidly completed after shawl clamped one time
The sewing of four fillets, sewing efficiency is improved while ensure that the sewing quality of shawl fillet side seam.
In above-mentioned shawl fillet side seam method, set up on the platen of sewing machine by origin of coordinates O of eedle drop point
X-Y rectangular coordinate systems,
In step a, control system control auxiliary feeding mechanism drives shawl motion, shawl fillet starting point is located at seat
Mark at origin O, the one side being connected on shawl with shawl fillet starting point is overlapped with X-axis,
In stepb, auxiliary feeding mechanism drives shawl center with running orbit P (x in translational motion Lp, yp) translation,
P(xp, yp) be：
A and b are respectively the length and width of shawl, and r is shawl radius of corner.
Coordinate system is set up on sewing machine table facilitates control system to control auxiliary feeding mechanism accurately to be moved, shawl
Fillet is first positioned when playing seam in coordinate system, and sets up the running orbit P (x related to coordinate systemp, yp), it is ensured that shawl round edge
The stitching formed at moves towards consistent with shawl fillet, it is ensured that sewing quality.Auxiliary feeding mechanism drives shawl with shawl
Center is that shawl center is driven while pivot rotates with running orbit P (xp, yp) translation so that rotary motion W and translation
L is moved using shawl center as anchor point, the deviation occurred during motion synthesis is reduced, it is ensured that make sewing while sewing quality
It can quickly carry out, improve sewing efficiency.
In above-mentioned shawl fillet side seam method, in stepb, in rotary motion W, control system control eedle is often stitched
Make a pin shawl using shawl center be pivot rotation angle as α, wherein,N is per pin needle gage.
By controlling needle gage just to control rotary motion W rotational angle, enable eedle sewing and the rotation of shawl
It is synchronous well to carry out, it is ensured that sewing efficiency is improved while sewing quality.
In above-mentioned shawl fillet side seam method, the sewing for main body of sewing and rotary motion W are at the uniform velocity carried out.So make
Sewing thread trace at shawl fillet is uniform, it is ensured that sewing quality.
In above-mentioned shawl fillet side seam method, in step c, angle, θ is 80 ° -100 °.Shawl is with the center of shawl
The sewing that fillet is completed after 80 ° -100 ° is rotated for pivot.Angle, θ is generally 90 °.
A kind of surrounding seam processing method, for sewing the shawl with fillet, using with auxiliary feeding mechanism and platform
The sewing machine of blowing area, sewing area and receiving section is provided with plate, it is characterised in that surrounding seam processing method includes following step
Suddenly：
A, blowing：Shawl is placed in the blowing area of sewing machine table；
B, preceding feeding：The shawl for being placed on blowing area is transported to sewing machine table by control system control auxiliary feeding mechanism
Sewing area；
C, sewing：
C.1 presser foot lifter：Lift presser feet the edge of shawl is placed between presser feet and feeding tooth, then put down presser feet general side
The edge of towel is pressed between presser feet and feeding tooth,
C.2 seam, is played：While control system control sewing main body starts sewing, control system control auxiliary feeding mechanism
Shawl is driven to be synchronized with the movement on platen,
C.3 straight flange, is stitched：Control system control auxiliary feeding mechanism (5) drives shawl for linear motion on platen (1),
C.4 fillet, is stitched：Control system control auxiliary feeding mechanism (5) drives shawl on platen (1) with the center of shawl
Rotated W for pivot, and synchronously drive shawl to make translational motion L, rotary motion W peace movements on platen (1)
Dynamic L superpositions make the position in the center of circle of shawl fillet keep constant, and the center of circle of shawl using shawl fillet is revolved as pivot
The dynamic S of transhipment,
C.5 sewing, is completed：The sewing at all edges of shawl is completed,
C.6 sewing, is terminated：Control system control sewing main body stops sewing；D, rear feeding：Control system control auxiliary is sent
The shawl sewed is transported to the receiving section of sewing machine table by material mechanism.
The sewing main body of sewing machine is used to sew, and auxiliary feeding mechanism drives shawl to rotate peace on the platen of sewing machine
Move, control system control sewing main body sewing and auxiliary feeding mechanism action.Realized by control system and auxiliary feeding mechanism
Shawl surrounding side seam improves the efficiency of sewing from the automation that is fed to sewing.Sew shawl round edge along when, shawl with
The center of circle of shawl fillet is that pivot makees fillet rotary motion S, it is ensured that the uniformity of stitching and fillet trend, is passed through simultaneously
The translational motion L of rotary motion W and shawl by pivot of shawl center coordinate sewing main body to carry out the sewing of fillet, make
Obtaining shawl clamped one time just can continuously quickly finish the sewing of four sides and fillet, be improved while making ensure that sewing quality
Sewing efficiency.
In above-mentioned surrounding seam processing method, step C.1 in, the first side of shawl is placed on presser feet and feeding
Between tooth and compress, step C.3 in, control system control auxiliary feeding mechanism drives shawl first sewing shawl for linear motion
The first side,
Step C.4 in, the first side seam of shawl make after making shawl rotate W and translational motion L sewing shawl
The first fillet, rotary motion W rotate 90 ° after complete the fillet of shawl first sewing,
Step C.5 in, the first fillet of shawl make again after sewing shawl it is for linear motion sewing shawl the second side,
Carry out successively, until completing the sewing at all edges of shawl and forming continuous stitching at the edge of shawl.
Shawl include successively end to end first in, the first fillet, second, the second fillet, the 3rd side, the 3rd circle
Angle, the 4th side and the 4th fillet, the starting point on the first side are connected with the terminal of the 4th fillet.Stitched since the first side of shawl
System, sews the first fillet of shawl again after the first side seam system of shawl is complete, then sew the second side of shawl, carry out successively, from
The straight flange of shawl starts sewing can carry out quick and precisely positioning and quick continuous sewing to shawl, it is ensured that sewing quality
Improve sewing efficiency simultaneously.
In above-mentioned surrounding seam processing method, set up on the platen of sewing machine by origin of coordinates O of eedle drop point
The main feed direction of X-Y rectangular coordinate systems, X-direction and sewing machine in sewing area on the contrary, using being also provided with rotary angle transmitter
Sewing machine,
Step C.1 in, control system control auxiliary feeding mechanism drive shawl the sewing side of shawl is overlapped with X-axis,
Step C.3 in, shawl is for linear motion along the opposite direction of X-direction, when shawl leaves rotary angle transmitter
Rotary angle transmitter sends angular signal to control system, and control system is received after angular signal, shawl is continued along X-direction
Opposite direction translational length lt,
Step C.4 in, control system receive angular signal and make shawl continue along X-direction opposite direction translate
Length ltAfterwards, control system control auxiliary feeding mechanism rotates W and translational motion L,
Wherein, length lt=m-r, m are vertical range of the rotary angle transmitter to Y-axis, and r is the radius of corner of shawl.
Rotary angle transmitter has for sensing shawl, and when shawl leaves rotary angle transmitter, rotary angle transmitter can be to control
System sends angular signal.In X-Y rectangular coordinate systems, origin O is eedle drop point, X-direction and the main feed direction phase of sewing machine
Instead, shawl is placed in the third quadrant and fourth quadrant of X-Y rectangular coordinate systems, rotary angle transmitter is arranged on X-Y right angles
In the fourth quadrant of coordinate system, sewing shawl first while when first by the first of shawl while be placed in X-axis, now shawl will cover
Cover on rotary angle transmitter, when shawl is for linear motion along the opposite direction of X-direction, sewing machine is on the side of shawl first
Edge carry out overseam, with the motion of shawl, on shawl perpendicular to first while second while leave rotary angle transmitter, rotation angular sensing
To control system angular signal occurs for device, now shawl first while sewing o'clock to first while and the first fillet joining away from
From for length lt=m-r, control system, which is received, makes shawl continue the opposite direction translational length along X-direction after angular signal
lt, shawl is rotated W and translational motion L, shawl is rotated 90 °, during shawl is rotated, shawl will turn
Angle transducer is covered again；The second side is overlapped with X-axis after the fillet of shawl first is sewed, phase negative side of the shawl along X-direction
To for linear motion, sewing machine carries out overseam at the edge on the side of shawl second, with the motion of shawl, perpendicular to second on shawl
While the 3rd while leave rotary angle transmitter, to control system angular signal occurs for rotary angle transmitter, and sewing is repeated in carrying out, directly
To the sewing for completing all edges of shawl.
Positioning and movement that coordinate system facilitates shawl are set up, rotary angle transmitter is set on sewing area, and utilizes corner to pass
The bind that sensor is realized, realizes being accurately positioned for the automatic corner in sewing process and fillet starting point, it is ensured that seam
Sewing efficiency is improved while quality of threading.
In above-mentioned surrounding seam processing method, using the sewing machine for being additionally provided with thread cutting mechanism,
Step C.2 in, rise after seam, control system controls thread cutting mechanism by sewing the end of a thread for being formed when playing seam on shawl
Cut.
Step C.6 in, terminate after sewing, control system is formed when controlling thread cutting mechanism that the end on shawl is sewed
The end of a thread of sewing is cut.
Cut playing automatic the end of a thread by shawl after seam i.e. sewing main body starts sewing, make the seam quality on shawl
It is good, the end of a thread on shawl is cut after sewing finishing, sewing efficiency is improved.
In above-mentioned surrounding seam processing method, using being also provided with material-dropping hole in receiving section and in the lower section of material-dropping hole
The sewing machine of rewinding frame is set,
In step D, the shawl sewed is transported to falling for sewing machine table by control system control auxiliary feeding mechanism
Expect at hole, the shawl sewed drops into rewinding inframe.
Shawl automatically falls into rewinding inframe using gravity and shawl is reclaimed, and makes shawl rewinding fast, improves sewing
Machine operating efficiency.
Compared with prior art, the present invention has advantages below：
In the method on sewing shawl round edge edge, while control system control sewing main body sewing, control system control
Auxiliary feeding mechanism processed drives shawl to be rotated by pivot of the center of shawl W, and synchronously drive shawl in platen
On make translational motion L, rotary motion W and translational motion L superposition and remain stationary as the position in the center of circle of shawl fillet, and make shawl
Rotary motion S by pivot of the center of circle of shawl fillet, it is ensured that sewing is improved while the sewing quality of shawl fillet
Efficiency.The starting point sewed by fillet of the starting point of fillet, during auxiliary feeding mechanism drives shawl using shawl center as rotation
Shawl center is driven while the heart rotates with running orbit P (xp, yp) translation, quick and precisely complete the side seam of shawl fillet, it is ensured that
Sewing efficiency is improved while the sewing quality of shawl fillet.
In the seam processing method of surrounding, step C.4 in, sew shawl round edge along when, control system control sewing
While main body starts sewing, control system controls auxiliary feeding mechanism to drive the center of shawl using shawl to be revolved as pivot
Transporting dynamic W, and synchronously drive shawl to make translational motion L, rotary motion W and translational motion L superposition on platen makes shawl fillet
The position in the center of circle remain stationary as, and make rotary motion S of the shawl using the center of circle of shawl fillet as pivot, it is ensured that shawl
Sewing quality simultaneously improves sewing efficiency.In step C, the first side of shawl of first sewing, then continuously the first circle of sewing shawl
Angle, the second side of shawl of then sewing again, is carried out successively, shawl can be carried out being accurately positioned and continuous quickly sewing, protected
Card sewing quality simultaneously improves sewing efficiency；Automatic corner is realized using rotary angle transmitter, sewing efficiency is improved.
Brief description of the drawings
Fig. 1 is the flow chart of this surrounding seam processing method；
Fig. 2 is the block diagram that this shawl round edge stitches method；
Fig. 3 is the running orbit figure at the shawl center in this shawl round edge seam method；
Fig. 4 is a kind of top view of sewing machine.
In figure, 1, platen；1a, blowing area；1b, receiving section；1b1, material-dropping hole；1c, sewing area；4th, sewing machine head；5th, it is auxiliary
Help feed mechanism；5a, Y-direction feeding material component；5b, X are to feeding material component；5c, compression rotary components；6th, template；7th, cloth sensing is passed
Sensor；8th, rotary angle transmitter.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
As shown in figure 4, a kind of sewing machine, overseam is carried out for the edge to shawl, sewing machine includes control system and machine
Tool system, mechanical system includes sewing main body, auxiliary feeding mechanism 5 and receiving mechanism, and control system control sewing main body is sewed,
And control auxiliary feeding mechanism 5 and receiving mechanism to act.Main body of sewing includes platen 1 and sewing machine head 4, and platen 1 is fixed on machine
On frame, frame is arranged on the lower section of platen 1.Blowing area 1a, sewing area 1c and receiving section 1b, sewing machine head 4 are provided with platen 1
Sewing area 1c is fixed on, blowing area 1a there are two and is located at sewing area 1c both sides respectively, and sewing area 1c and blowing area 1a are located at
The side of platen 1, receiving section 1b is located at the opposite side of platen 1, and receiving mechanism is arranged on receiving section 1b lower section, auxiliary feeding machine
Structure 5 is arranged on platen 1.Sewing main body is used to sew, and shawl can be pressed on platen 1 and drive by auxiliary feeding mechanism 5
Shawl is rotated and translated on platen 1, and receiving mechanism is used to reclaim the shawl sewed.
Needle bar mechanism, feed mechanism, string-hooking mechanism and hold-down mechanism, needle bar mechanism, feeder are provided with sewing machine head 4
Structure and string-hooking mechanism are driven by spindle motor, and hold-down mechanism is driven by presser foot lifter cylinder.Use is additionally provided with sewing machine head 4
In the thread cutting mechanism of trimming, thread cutting mechanism is driven by trimming actuator, and trimming actuator can be trimming cylinder, trimming motor
With trimming electromagnet.Spindle motor, presser foot lifter cylinder and trimming actuator are electrically connected with control system, control system control master
Spindle motor, presser foot lifter cylinder and the action of trimming actuator.After seam and sewing finishing is played, control system control trimming actuator makes
Thread cutting mechanism cuts sewing the end of a thread on shawl.Feed mechanism makes cloth be moved to main feed direction.In the platen 1 of sewing machine
On set up X-Y rectangular coordinate systems by origin of coordinates O of eedle drop point, the main feed direction of X-direction and sewing machine is on the contrary, Y-axis
Direction is vertical with main feed direction.
Auxiliary feeding mechanism 5 includes Y-direction feeding material component 5a, X to feeding material component 5b and compresses rotary components 5c.Y-direction feeding
Component 5a includes being fixed on is provided with Y-direction sliding block in the Y-direction guide rail set along Y-direction [i.e. Y direction] in frame, Y-direction guide rail,
Y-direction sliding block and Y-direction motor connection, Y-direction motor driving Y-direction sliding block are slided in Y-direction guide rail.X includes setting to feeding material component 5b
There is guide X set along X to [i.e. X-direction] in guide's X rail gantry in strip in the top of platen 1, guide's X rail gantry
X is fixed with rail, guide's X rail gantry to bearing, X is fixedly connected to bearing with Y-direction sliding block.X is slidably connected on X direction guiding rails to cunning
Block, X is to sliding block and X to motor connection, and X is slided to motor driving X to sliding block on X direction guiding rails.Compressing rotary components 5c includes
X is fixed on to the mounting seat on sliding block, vertical in mounting seat to be equipped with compression rotary shaft, the lower end for compressing rotary shaft is connected with mould
Plate 6, tight rotary shaft is connected with electric rotating machine and compression cylinder respectively, and electric rotating machine driving compresses rotary shaft and rotated, compression cylinder
Driving compresses rotary shaft and moves downward and make template 6 that shawl is pressed on platen 1.X to motor, Y-direction motor, electric rotating machine and
Compression cylinder is electrically connected with control system, and control system can control X to motor, Y-direction motor, electric rotating machine and compression cylinder
Motion.
Receiving section 1b is provided with material-dropping hole 1b1, material-dropping hole 1b1 can be opened and closed by receiving mechanism.Material-dropping hole
1b1 is typically square, and material-dropping hole 1b1 is bigger than shawl.Receiving mechanism includes feeding plate and the rewinding cylinder being connected with feeding plate,
Rewinding cylinder can drive rewinding plate to close the material-dropping hole 1b1 of opening, and rewinding cylinder can also drive rewinding plate by closing
Material-dropping hole 1b1 is opened.Rewinding frame is provided with below material-dropping hole 1b1, rewinding inframe is provided with rewinding plate, rewinding plate and is connected with
Rewinding plate can be lifted or transferred by lifting motor, lifting motor.Rewinding cylinder is electrically connected with lifting motor with control system
Connect, control system can control rewinding cylinder and lifting motor action.
Cloth inductive pick-up 7 is provided with blowing area 1a, cloth inductive pick-up 7 is electrically connected with control system, the side of working as
Towel is placed on blowing area 1a and to timing, and cloth inductive pick-up 7 can sense shawl and send blowing to control system
Signal.Control system is received controls X right to the surface that template 6 is transported shawl by motor and Y-direction motor after blowing signal
Just, then the piston rod of control system control compression cylinder extends downwardly from shawl being pressed on platen 1, at this moment the edge of shawl
Outside positioned at the edge of template 6.
It is provided with rotary angle transmitter 8 on the 1c of sewing area, the vertical range of rotary angle transmitter 8 and Y-axis is m, general m=
50mm-150mm, preferably 80mm.Whether rotary angle transmitter 8 can be sensed cloth covering at rotary angle transmitter 8, work as main shaft
Motor is not moved and rotary angle transmitter 8 when detecting cloth and being covered at rotary angle transmitter 8, and rotary angle transmitter 8 is to control
Presser foot lifter signal occurs for system；When rotary angle transmitter 8, which detects cloth, leaves rotary angle transmitter 8, rotary angle transmitter 8 is to control
Angular signal occurs for system.When control system receives presser foot lifter signal, control system control presser foot lifter cylinder lifts presser feet,
After cloth is entered between presser feet and feeding tooth, presser feet is transferred in the action of presser foot lifter cylinder.When control system receives corner
During signal, control system control X makes reverse translational length l of the template 6 to X-axis to motortAfter=m-r, then control electric rotating machine
Action makes shawl be rotated by pivot of the center of shawl W, while control X is to motor and the Y-direction motor action side of making
Towel synchronously makees translational motion L on platen 1.
As shown in Figure 1-Figure 3, shawl include successively end to end first in, the first fillet, second, the second fillet,
3rd in, the 3rd fillet, the 4th and the 4th fillet, and the starting point on the first side is connected with the terminal of the 4th fillet.The length of shawl
Degree and width are respectively a and b, and the radius of corner of shawl is r, and the angle of shawl fillet is θ, and the thickness of shawl is h.A can compare b
Greatly, a can also be smaller or equal with b than b, and the length on the first side is a-2r.A scope is 100mm-450mm, and b scope is
100mm-450mm, r are less than or equal to the half of minimum value in a and b, and angle, θ can be 80 ° -100 °, and angle, θ is generally 90 °,
The thickness of shawl is h=0.01mm-5mm.When sewing shawl, the needle gage of sewing main body is n, and n scope is 0-3.8mm, sewing
Needle gage during shawl fillet is generally 2.6mm.Rotary angle transmitter 8 and the vertical range m=80mm of Y-axis, during sewing shawl fillet
Needle gage n=2.6mm, by taking a=200mm, b=160mm, r=40mm, θ=90 °, the sewing of h=1mm shawl as an example, shawl
The length on the first side is 160mm, lt=m-r=40mm.
A kind of surrounding side seam method, using above-mentioned sewing machine.Comprise the following steps：
O, preparation：On the platen 1 of sewing machine X-Y rectangular coordinate systems, X-axis side are set up by origin of coordinates O of eedle drop point
To the main feed direction with sewing machine on the contrary, Y direction is vertical with main feed direction；
The length a=200mm and width b=160mm of shawl are determined, while the radius of corner r=40mm of shawl is determined, will
The length a=200mm and width b=160mm of shawl and the radius of corner r=40mm of shawl are input in control system.
A, blowing：Shawl is placed on the blowing area 1a of sewing machine table 1, and aligns the position of shawl.Shawl pair
Cloth inductive pick-up 7 senses that shawl sends blowing signal to control system after just.It can be placed into by manually by shawl
Blowing area 1a, by shawl can also be placed into blowing area 1a by automatic cutting feed system.
B, preceding feeding：Control system is received after blowing signal, and control X transports template 6 to motor and Y-direction motor action
To the surface of shawl, then control system control compression cylinder action makes template 6 that shawl is pressed on platen 1, then controlled
System processed controls X to motor and Y-direction motor action, and shawl is transported to the sewing area 1c of sewing machine table 1；
C, sewing：
C.1, presser foot lifter：Shawl covers the rotary angle transmitter 8 on the 1c of sewing area, and rotary angle transmitter 8 is to control system
Send presser foot lifter signal, control system is received drives presser foot lifter cylinder to lift presser feet after presser foot lifter signal, then shawl
First while enter between presser feet and feeding tooth and shawl first while overlapped with X-axis, then presser feet is put down the first of shawl
While being pressed between presser feet and feeding tooth.
C.2 seam, is played：Then control system control spindle motor work makes sewing main body start sewing, while controlling X to electricity
Machine work drives the synchronous linear motion of reverse work of the shawl along X-axis.Start to sew after some pins, control system control thread trimmer
Structure cuts sewing the end of a thread formed when playing seam on shawl.Some pins herein can be 1-4 pins, generally 2 pins.Can be
Trimming sensor is set on sewing machine, when trimming sensor detects shawl, when control system control thread cutting mechanism will play seam
The end of a thread of formation is cut.
C.3 straight flange, is stitched：Spindle motor, which works on, makes sewing main body sew, while X works on drive shawl to motor
Along the synchronous linear motion of the reverse work of X-axis.Subsequent rotary angle transmitter 8 sends angular signal, and control system receives corner letter
After number, shawl is set to continue the opposite direction translational length l along X-directiont=40mm, completes the first side seam system.
C.4 fillet, is stitched：
Control system receives angular signal and shawl is continued the opposite direction translational length l along X-directiont=40mm
Afterwards, using a kind of shawl fillet side seam method, including：Spindle motor work makes sewing main body continue to sew, control system control
Electric rotating machine action makes template 6 drive shawl to be rotated by pivot of the center of shawl W, and controls X to motor and Y
The synchronous drive shawl of template 6 is made translational motion L, rotary motion W and translational motion L superposition on platen 1 to motor action makes
The position in the center of circle of shawl fillet keeps constant, and shawl is rotated by pivot of the center of circle of shawl fillet S；
When first fillet plays seam, shawl fillet starting point is located at origin of coordinates O, and the first side of shawl is overlapped with X-axis, puts down
Auxiliary feeding mechanism 5 drives shawl center with running orbit P (x in shifting movement Lp, yp) translation,
P(xp, yp) be：
I.e.
In rotary motion W, control system controls eedle often to sew what a pin shawl rotated by pivot of shawl center
Angle is α, wherein,After shawl is using shawl center as 90 ° of the pivot anglec of rotation, the first circle
Angle seam system is completed.
C.5 sewing, is completed：After shawl is rotated by 90 ° using shawl center as pivot, the second side of shawl is overlapped with X-axis,
Then repeat step C.3 and C.4, by step C.3 in first when replacing with second successively, the 3rd while and when the 4th, will walk
Suddenly C.4 in the first fillet replace with the second fillet, the 3rd fillet and the 4th fillet successively, be sequentially completed the second side, second circle
Angle, the 3rd in, the 3rd fillet, the 4th and the 4th fillet sewing, complete the sewing at all edges of shawl.
C.6 sewing, is terminated：After the completion of the sewing of 4th fillet, the sewing finishing at shawl edge, thread cutting mechanism terminates sewing
Suture afterwards is cut, and control system control spindle motor is stopped.
D, rear feeding：The shawl sewed is transported to receiving section 1b by control system control X to motor and Y-direction motor action
Material-dropping hole 1b1 at；
E, rewinding：The shawl for being placed on receiving section 1b is reclaimed.Control system control rewinding cylinder action makes feeding plate will
Material-dropping hole 1b1 is opened, and the shawl sewed drops into rewinding inframe and on rewinding plate, then control system control lifting electricity
Motor-driven work makes rewinding plate decline a height h=1mm, while control system control rewinding cylinder action makes feeding plate by material-dropping hole
1b1 is closed.
When shawl to be sewed is not sewed completely, that is, the shawl quantity sewed does not reach the quantity of needs,
While step E is carried out, step A, and circulating repetition step A to E are carried out, until shawl to be sewed is fully completed sewing,
The size changed template 6 and redefine new shawl is shut down after being fully completed.
In shawl fillet side seam, shawl is set to make by pivot of the center of circle of shawl fillet by auxiliary feeding mechanism 5
Fillet rotary motion S, sewing machine can form the circular arc stitching consistent with round edge across pitch on the edge of shawl fillet,
It ensure that the sewing quality of shawl fillet edge.Pass through the flat of the rotary motion W using shawl center as pivot and shawl
Shifting movement L coordinate sewing main body carry out shawl fillet sewing, so there is no need to sew each fillet when by shawl again
Location and installation can make just be rapidly completed the sewing of four fillets after shawl clamped one time on auxiliary feeding mechanism 5, protect
Sewing efficiency is improved while the sewing quality for having demonstrate,proved shawl fillet edge.And by first sewing the first side, then pass through
Rotary angle transmitter 8 is positioned so that positioning and corner sewing can be fast and accurately carried out during shawl side seam, makes shawl
Side seam ensures to improve sewing efficiency while sewing quality.
When sewing shawl fillet, the sewing for main body of sewing and rotary motion W are at the uniform velocity carried out.And when sewing shawl fillet
Sewing velocity be less than sewing shawl straight flange when speed, so as to ensure the sewing quality at shawl fillet.
Embodiment two
Rotary angle transmitter 8 and the vertical range m=80mm of Y-axis, needle gage n=2.6mm during sewing shawl fillet, with a=
Exemplified by 360mm, b=420mm, r=80mm, θ=90 °, the sewing of h=1mm shawl, the length on the side of shawl first is 240mm,
lt=m-r=0mm.
A kind of surrounding side seam method, using the sewing machine in embodiment one.Comprise the following steps：
O, preparation：On the platen 1 of sewing machine X-Y rectangular coordinate systems, X-axis side are set up by origin of coordinates O of eedle drop point
To the main feed direction with sewing machine on the contrary, Y direction is vertical with main feed direction；
The length a=360mm and width b=420mm of shawl are determined, while the radius of corner r=80mm of shawl is determined, will
The length a=360mm and width b=420mm of shawl and the radius of corner r=80mm of shawl are input in control system.
A, blowing：Shawl is placed on the blowing area 1a of sewing machine table 1, and aligns the position of shawl.Shawl pair
Cloth inductive pick-up 7 senses that shawl sends blowing signal to control system after just.
B, preceding feeding：Control system is received after blowing signal, and control X transports template 6 to motor and Y-direction motor action
To the surface of shawl, then control system control compression cylinder action makes template 6 that shawl is pressed on platen 1, then controlled
System processed controls X to motor and Y-direction motor action, and shawl is transported to the sewing area 1c of sewing machine table 1；
C, sewing：
C.1, presser foot lifter：Shawl covers the rotary angle transmitter 8 on the 1c of sewing area, and rotary angle transmitter 8 is to control system
Send presser foot lifter signal, control system is received drives presser foot lifter cylinder to lift presser feet after presser foot lifter signal, then shawl
First while enter between presser feet and feeding tooth and shawl first while overlapped with X-axis, then presser feet is put down the first of shawl
While being pressed between presser feet and feeding tooth.
C.2 seam, is played：Then control system control spindle motor work makes sewing main body start sewing, while controlling X to electricity
Machine work drives the synchronous linear motion of reverse work of the shawl along X-axis.Start after sewing, control system control thread cutting mechanism general side
Sewing the end of a thread that rising on towel is formed during seam is cut.
C.3 straight flange, is stitched：Spindle motor, which works on, makes sewing main body sew, while X works on drive shawl to motor
Along the synchronous linear motion of the reverse work of X-axis.Subsequent rotary angle transmitter 8 sends angular signal, and shawl continues the phase along X-direction
The distance of opposite direction translation is 0mm, completes the first side seam system.Due to lt=0mm, now the starting point of the fillet of shawl first has been
Reach origin of coordinates O.
C.4 fillet, is stitched：
Control system is received after angular signal, using a kind of shawl fillet side seam method, including：Spindle motor work makes
Sewing main body continues to sew, and control system controls electric rotating machine action to make template 6 drive shawl using the center of shawl as in rotating
The heart rotates W, and controls X to make template 6 is synchronous to drive shawl to make translation on platen 1 to transport to motor and Y-direction motor action
Dynamic L, rotary motion W and translational motion L superposition makes the position in the center of circle of shawl fillet keep constant, and makes shawl with shawl fillet
The center of circle rotated S for pivot；
When first fillet plays seam, shawl fillet starting point is located at origin of coordinates O, and the first side of shawl is overlapped with X-axis, puts down
Auxiliary feeding mechanism 5 drives shawl center with running orbit P (x in shifting movement Lp, yp) translation,
P(xp, yp) be：
I.e.
In rotary motion W, control system controls eedle often to sew what a pin shawl rotated by pivot of shawl center
Angle is α, wherein,After shawl is using shawl center as 90 ° of the pivot anglec of rotation, the first circle
Angle seam system is completed.
C.5 sewing, is completed：After shawl is rotated by 90 ° using shawl center as pivot, the second side of shawl is overlapped with X-axis,
Then repeat step C.3 and C.4, by step C.3 in first when replacing with second successively, the 3rd while and when the 4th, will walk
Suddenly C.4 in the first fillet replace with the second fillet, the 3rd fillet and the 4th fillet successively, be sequentially completed the second side, second circle
Angle, the 3rd in, the 3rd fillet, the 4th and the 4th fillet sewing, complete the sewing at all edges of shawl.
C.6 sewing, is terminated：After the completion of the sewing of 4th fillet, the sewing finishing at shawl edge, thread cutting mechanism terminates sewing
Suture afterwards is cut, and control system control spindle motor is stopped.
D, rear feeding：The shawl sewed is transported to receiving section 1b by control system control X to motor and Y-direction motor action
Material-dropping hole 1b1 at；
E, rewinding：The shawl for being placed on receiving section 1b is reclaimed.Control system control rewinding cylinder action makes feeding plate will
Material-dropping hole 1b1 is opened, and the shawl sewed drops into rewinding inframe and on rewinding plate, then control system control lifting electricity
Motor-driven work makes rewinding plate decline a height h=1mm, while control system control rewinding cylinder action makes feeding plate by material-dropping hole
1b1 is closed.
When shawl to be sewed is not sewed completely, that is, the shawl quantity sewed does not reach the quantity of needs,
While step E is carried out, step A, and circulating repetition step A to E are carried out, until shawl to be sewed is fully completed sewing,
The size changed template 6 and redefine new shawl is shut down after being fully completed.Specific embodiment described herein is only
To spirit explanation for example of the invention.Those skilled in the art can do to described specific embodiment
Various modifications or supplement are substituted using similar mode, but without departing from spirit of the invention or surmount appended
Scope as defined in the claims.
Claims (10)
1. a kind of shawl fillet side seam method, using the sewing machine with auxiliary feeding mechanism (5), it is characterised in that shawl is justified
Arm of angle seam method includes：
A, the starting point of shawl fillet are moved at eedle drop point, and shawl round edge edge is pressed between presser feet and feeding tooth,
While b, control system control sewing main body sewing, control system control auxiliary feeding mechanism (5) drives shawl in platform
Rotate W on plate (1) by pivot of the center of shawl, and synchronously drives shawl to make translational motion on platen (1)
L, rotary motion W and translational motion L superposition make the position in the center of circle of shawl fillet keep constant, and make shawl with shawl fillet
The center of circle is that pivot rotates S,
The side seam of shawl fillet is completed after c, rotary motion W rotational angles θ, wherein θ is the angle of shawl fillet.
2. shawl fillet side seam method according to claim 1, it is characterised in that with machine on the platen (1) of sewing machine
Pin drop point is that origin of coordinates O sets up X-Y rectangular coordinate systems,
In step a, control system control auxiliary feeding mechanism (5) drives shawl motion, shawl fillet starting point is located at seat
Mark at origin O, the one side being connected on shawl with shawl fillet starting point is overlapped with X-axis,
In stepb, auxiliary feeding mechanism (5) drives shawl center with running orbit P (x in translational motion Lp, yp) translation,
P(xp, yp) be：
A and b are respectively the length and width of shawl, and r is shawl radius of corner.
3. shawl fillet side seam method according to claim 1 or 2, it is characterised in that in stepb, rotary motion W
In, control system control eedle often sew a pin shawl using shawl center be pivot rotation angle as α, wherein,N is that, per pin needle gage, r is shawl radius of corner.
4. shawl fillet side seam method according to claim 3, it is characterised in that in stepb, the sewing for main body of sewing
At the uniform velocity carried out with rotary motion W.
5. shawl fillet side seam method according to claim 1, it is characterised in that in step c, angle, θ is 80 °-
100°。
6. a kind of surrounding seam processing method, for sewing the shawl with fillet, using with auxiliary feeding mechanism (5) and platform
The sewing machine in blowing area (1a), sewing area (1c) and receiving section (1b) is provided with plate (1), it is characterised in that surrounding side seam adds
Work method comprises the following steps：
A, blowing：Shawl is placed in the blowing area (1a) of sewing machine table (1)；
B, preceding feeding：The shawl for being placed on blowing area (1a) is transported to sewing machine by control system control auxiliary feeding mechanism (5)
The sewing area (1c) of platen (1)；
C, sewing：
C.1 presser foot lifter：Lift presser feet the edge of shawl is placed between presser feet and feeding tooth, then put down presser feet by shawl
Edge is pressed between presser feet and feeding tooth,
C.2 seam, is played：While control system control sewing main body starts sewing, control system control auxiliary feeding mechanism (5) band
Dynamic shawl is synchronized with the movement on platen (1),
C.3 straight flange, is stitched：Control system control auxiliary feeding mechanism (5) drives shawl for linear motion on platen (1),
C.4 fillet, is stitched：Control system controls auxiliary feeding mechanism (5) to drive shawl on platen (1) using the center of shawl as rotation
Turn center to rotate W, and synchronously drive shawl to make translational motion L, rotary motion W and translational motion L on platen (1) to fold
Plus the position in the center of circle of shawl fillet is kept constant, and the center of circle of shawl using shawl fillet is rotated as pivot
S,
C.5 sewing, is completed：The sewing at all edges of shawl is completed,
C.6 sewing, is terminated：Control system control sewing main body stops sewing；
D, rear feeding：The shawl sewed is transported to the receipts of sewing machine table (1) by control system control auxiliary feeding mechanism (5)
Expect area (1b).
7. surrounding seam processing method according to claim 6, it is characterised in that step C.1 in, by the first of shawl
While be placed between presser feet and feeding tooth and compress,
Step C.3 in, control system control auxiliary feeding mechanism (5) drive shawl first it is for linear motion sewing shawl first
Side,
Step C.4 in, the first side seam of shawl makes shawl rotate the of W and translational motion L sewing shawls after making
One fillet, rotary motion W rotates the sewing that the fillet of shawl first is completed after 90 °,
Step C.5 in, the first fillet of shawl make again after sewing shawl it is for linear motion sewing shawl the second side, successively
Carry out, until completing the sewing at all edges of shawl and forming continuous stitching at the edge of shawl.
8. surrounding seam processing method according to claim 7, it is characterised in that with machine on the platen (1) of sewing machine
Pin drop point is that origin of coordinates O sets up X-Y rectangular coordinate systems, and the main feed direction of X-direction and sewing machine is on the contrary, using also in seam
Thread area (1c) set rotary angle transmitter (8) sewing machine,
Step C.1 in, control system control auxiliary feeding mechanism (5) drive shawl the first side of shawl is overlapped with X-axis,
Step C.3 in, shawl is for linear motion along the opposite direction of X-direction, when shawl leaves rotary angle transmitter (8) turn
Angle transducer (8) sends angular signal to control system, and control system is received after angular signal, shawl is continued along X-axis side
To opposite direction translational length lt,
Step C.4 in, control system receive angular signal and make shawl continue along X-direction opposite direction translational length
ltAfterwards, control system control auxiliary feeding mechanism (5) rotates W and translational motion L,
Wherein, length lt=m-r, m are the vertical range that rotary angle transmitter (8) arrives Y-axis, and r is the radius of corner of shawl.
9. the surrounding seam processing method according to claim 6 or 7 or 8, it is characterised in that use and be additionally provided with thread trimmer
The sewing machine of structure,
Step C.2 in, rise after seam, control system controls thread cutting mechanism to cut sewing the end of a thread for being formed when playing seam on shawl
It is disconnected,
Step C.6 in, terminate after sewing, the sewing that is formed when control system controls the thread cutting mechanism end on shawl is sewed
The end of a thread is cut.
10. the surrounding seam processing method according to claim 6 or 7 or 8, it is characterised in that using also in receiving section
(1b) is provided with material-dropping hole (1b1) and sets the sewing machine of rewinding frame in the lower section of material-dropping hole (1b1),
In step D, the shawl sewed is transported to sewing machine table (1) by control system control auxiliary feeding mechanism (5)
Material-dropping hole (1b1) place, the shawl sewed drops into rewinding inframe.
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| CN107904798A (en) * | 2017-11-10 | 2018-04-13 | 苏州匠博智能科技有限公司 | A kind of soft fabric control mechanism |
| CN108118461A (en) * | 2017-12-28 | 2018-06-05 | 苏州匠博智能科技有限公司 | A kind of automatic foot-mat auto-steering sensing device |
| CN108179556A (en) * | 2018-02-07 | 2018-06-19 | 沈阳瑞晟智能装备有限公司 | Sewing work station with air-flotation type intelligence Wrapping apparatus |
| CN108560151A (en) * | 2018-06-22 | 2018-09-21 | 北京大豪科技股份有限公司 | Overedger control system, control method and overedger |
| CN109722796A (en) * | 2019-03-05 | 2019-05-07 | 杰克缝纫机股份有限公司 | Arc track method of sewing and its device, sewing machine and storage medium |
| CN110735234A (en) * | 2018-07-20 | 2020-01-31 | 天津宝盈电脑机械有限公司 | Automatic rotating device of wrapping machines |
| CN112011909A (en) * | 2019-05-31 | 2020-12-01 | 浙江中捷缝纫科技有限公司 | Sewing machine system, control method and device of sewing machine system |
| CN112522866A (en) * | 2019-09-18 | 2021-03-19 | 浙江中捷缝纫科技有限公司 | Side sewing equipment, and control method and device of side sewing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108179556A (en) * | 2018-02-07 | 2018-06-19 | 沈阳瑞晟智能装备有限公司 | Sewing work station with air-flotation type intelligence Wrapping apparatus |
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| CN108560151B (en) * | 2018-06-22 | 2024-02-27 | 北京大豪科技股份有限公司 | Overedger control system, control method and overedger |
| CN110735234A (en) * | 2018-07-20 | 2020-01-31 | 天津宝盈电脑机械有限公司 | Automatic rotating device of wrapping machines |
| CN109722796A (en) * | 2019-03-05 | 2019-05-07 | 杰克缝纫机股份有限公司 | Arc track method of sewing and its device, sewing machine and storage medium |
| CN109722796B (en) * | 2019-03-05 | 2021-07-06 | 杰克缝纫机股份有限公司 | Circular arc track sewing method and device, sewing machine and storage medium |
| CN112011909A (en) * | 2019-05-31 | 2020-12-01 | 浙江中捷缝纫科技有限公司 | Sewing machine system, control method and device of sewing machine system |
| CN112011909B (en) * | 2019-05-31 | 2022-08-09 | 浙江中捷缝纫科技有限公司 | Sewing machine system, control method and device of sewing machine system |
| CN112522866A (en) * | 2019-09-18 | 2021-03-19 | 浙江中捷缝纫科技有限公司 | Side sewing equipment, and control method and device of side sewing equipment |
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Application publication date: 20171010 |