A kind of band folds the flat seaming machine of angle function
Technical field
The present invention relates to a kind of flat seaming machines, and the flat seaming machine of angle function is folded further to a kind of band, for man's underwear, female
The related knitting class dress ornament such as scholar's underwear, body shaping class product, sweat shirt folds angle seam process.
Background technology
Common flat seaming machine needle plate has " support terminal " (as shown in Figure 1), is integral type stationary structure, line is wrapped in needle plate
Two support terminals on, sewing machine work when, corresponding stitching is gone out according to the form flat-seam of winding, utilizes the needle of existing flat seaming machine
Plate can be only done straight line or differential of the arc sewing, and when carrying out straight line and the differential of the arc sews, stitching is beautiful, the calm beauty of product, but works as
When flat seaming machine carries out folded angle operation, the product that need to be sewed can be moved or be rotated, correspondingly, the line being wrapped on support terminal
Also some lines can be pulled out with the mobile of product, then can be made on the stitching at folded angle there are extra line when flat-seam
Unordered in a jumble at stitching, product out-of-flatness is beautiful, is unable to reach technological requirement.
Invention content
To overcome drawbacks described above, the support terminal of telescopic movable needle plate provided by the invention is separable, is installed in needle
Scalable on plate, support terminal connects a cylinder, and contact switch is installed on the foot pedal of sewing machine, foot-operated by stepping on
Plate controls the flexible of support terminal, and when straight line flat-seam, this needle plate, when encountering folded angle seam, is stepped on as common needle plate state
Dynamic foot pedal, support terminal are retracted, and mobile quilt, line is detached from support terminal, can move freely, will not pull out extra line, no
Mixed and disorderly stitching can occur at folded angle, when completing to fold angle seam, unclamp foot pedal, line rewinds on support terminal, continues general
Straight joint system.
The present invention provides a kind of telescopic movable needle plate, including needle plate ontology, mounting hole is provided on the needle plate ontology
One, mounting groove, walking slot, which is characterized in that the support terminal including telescopic action, there are two convex for support terminal one end setting
It rises, other end setting is there are one mounting hole two, and the support terminal is telescopically installed in the mounting groove, and the support terminal can
The stretching motion in mounting groove, the support terminal are L-type.
Invention further provides the flat seaming machines that a kind of band with above-mentioned telescopic movable needle plate folds angle function.
Preferably, the support terminal drives it to carry out telescopic movable by pneumatic drive mechanism.
Preferably, the pneumatic drive mechanism includes miniature single action cylinder, cylinder frame, connecting plate, pressure regulator valve, magnet valve control
Device, contact switch, solenoid valve, the solenoid valve are installed in solenoid valve control case, the pressure regulator valve air admission hole and compressed air
It is connected by tracheae, the pressure regulator valve venthole is connect with solenoid valve air admission hole by tracheae;The solenoid valve venthole and gas
Cylinder is connected by tracheae, and the contact switch is connect with the solenoid valve controller by circuit, the solenoid valve and the electricity
Magnetic valve controller is connected by circuit, and the solenoid valve controller connects power supply.Contact switch is installed on taut by self-tapping screw
It stitches on under-chassis pedal;Solenoid valve is installed in solenoid valve controller;Solenoid valve controller and pressure regulator valve pass through self-tapping screw
It is fixed below machine platen;Connecting plate is screwed in below flat seaming machine upper cover;Cylinder frame passes through screw and connecting plate
It is fixed;Cylinder by 2 nuts it is clamping with cylinder frame on;Cylinder with " telescopic movable needle plate connect by cylinder nose threads.
Preferably, the connecting plate is Z-type, has at least two strip mounting grooves on one mounting surface of the connecting plate, separately
There are at least two mounting holes three on one mounting surface.
Preferably, the cylinder frame is L-type, and the cylinder frame one side is U-shaped, and another side has at least two mounting holes
Four.
Preferably, the band folds the flat seaming machine of angle function, and when carrying out generic linear sewing, solenoid valve is normally open,
Cylinder charge extends, and support terminal is stretched out, and plays support line effect;When carrying out folded angle seam, contact switch is touched, solenoid valve closes
It closes, gas circuit is closed, cylinders retract, and support terminal is retracted, and completes to fold angle seam system;After the completion of folded angle, contact switch is unclamped, gas circuit is beaten
It opens, continues common sewing.
Invention further provides a kind of method of sewing using above-mentioned telescopic action needle plate, which is characterized in that when
When carrying out generic linear sewing, solenoid valve is normally open, and cylinder charge elongation, " support terminal " stretchs out, play support line effect;When
When carrying out folded angle seam, contact switch is touched, solenoid valve is closed, and gas circuit is closed, cylinders retract, and " support terminal " retracts, and completes folded
Angle seam system;After the completion of folded angle, contact switch is unclamped, gas circuit is opened, and common sewing is continued.
As can be seen from the above technical solutions, the present invention has the following advantages:
Compared with existing flat seaming machine, in the present invention flat seaming machine its by contact switch solenoid valve is controlled by solenoid valve controller
Opening and closing, to achieve the purpose that Telescopic-cylinder, cylinder are fixed with telescopic movable needle plate by cylinder nose threads.When common seam
When processed, which is no different with common flat seaming machine needle plate, plays it and supports cloth support line function;When encountering folded angle seam, telescopic movable
Terminal is ask to retract in needle plate, stitching perfection is superimposed, and completes to fold angle seam system, flat seaming machine of the present invention can be grasped carrying out folded angle
When making so that wire loop will not be wrapped on needle plate support terminal, be completed after folding angle seam system, and cloth cover without miscellaneous line, be convinced U.S. by sewing stitching
It sees.
Description of the drawings
Fig. 1 is needle plate structure figure in the prior art;
Fig. 2 is the structure chart of telescopic action needle plate of the present invention;
Fig. 3 is the bulk junction composition of telescopic action needle plate of the present invention;
Fig. 4 is the support terminal structure chart of telescopic action needle plate of the present invention;
Fig. 5 is the structure chart of connecting plate of the present invention;
Fig. 6 is the structure chart of cylinder frame of the present invention;
Fig. 7 is flat seaming machine pneumatic schematic diagram of the present invention;
Fig. 8 is the structure chart of flat seaming machine of the present invention;
Specific implementation mode
The present invention provides a kind of telescopic movable needle plate and the band with this kind of needle plate folds the flat seaming machine of angle function, and Fig. 2 is
Telescopic action needle plate of the present invention, it has two parts composition, needle plate ontology 1 and support terminal 2, peace is provided on the needle plate ontology
Hole 1, mounting groove 12, walking slot 13 are filled, the support terminal is telescopically installed in the mounting groove 12, the support terminal
Can stretching motion, the support terminal 2 be L-type in mounting groove 12,2 one end of support terminal setting is another there are two protrusion 21
End setting can do stretching motion there are one mounting hole 2 22 by control device support terminal 2.When common sewing, the needle plate with it is general
Logical flat seaming machine needle plate is no different, and is played it and is supportted cloth support line function;Terminal contracting is held in the palm when encountering folded angle seam, in telescopic movable needle plate
It returns, stitching perfection is superimposed, and completes to fold angle seam system.
The support terminal drives it to carry out telescopic movable by pneumatic drive mechanism.The pneumatic drive mechanism includes miniature list
It takes offence cylinder 31, cylinder frame 32, connecting plate 33, pressure regulator valve 34, magnetic valve controller 35, contact switch 36, solenoid valve 37, the electromagnetism
Valve 37 is installed in solenoid valve control case, and 34 air admission hole of the pressure regulator valve is connect with compressed air by tracheae, the pressure regulator valve
34 ventholes are connect with 37 air admission hole of solenoid valve by tracheae;37 venthole of the solenoid valve is connect with cylinder by tracheae, institute
It states contact switch 36 to connect by circuit with the solenoid valve controller, the solenoid valve 37 passes through with the solenoid valve controller
Circuit connects, and the solenoid valve controller connects power supply.Contact switch 36 is installed on by self-tapping screw on flat seaming machine foot pedal;
Solenoid valve 37 is installed in solenoid valve controller;Solenoid valve controller and pressure regulator valve 34 are fixed on machine by self-tapping screw
Below platen;Connecting plate is screwed in below flat seaming machine upper cover;Cylinder frame 32 is fixed by screw and connecting plate;Cylinder
By 2 nuts it is clamping with cylinder frame 32 on;Cylinder 31 is connect with support terminal 2 by cylinder nose threads.
The connecting plate 33 is Z-type, and there are two strip mounting grooves 331, Ling Yian for tool on 33 1 mounting surface of the connecting plate
There are two mounting holes 3 332 for tool on dress face.The cylinder frame 32 is L-type, and 32 one side of the cylinder frame is U-shaped, and another side has
Two mounting holes 4 321.
When carrying out generic linear sewing, solenoid valve 37 is normally open, and 31 inflated elongation of cylinder asks terminal 2 to stretch out, and sends out
Wave support line effect;When carrying out folded angle seam, touching contact 36 switchs, and solenoid valve 37 is closed, and gas circuit is closed, cylinders retract, support
Terminal 2 is retracted, and completes to fold angle seam system;It after the completion of folded angle, unclamps contact 36 and switchs, gas circuit is opened, and common sewing is continued.
In the present invention flat seaming machine its by contact switch 36 by solenoid valve controller control solenoid valve 37 opening and closing, to reach
The purpose stretched to cylinder 31, cylinder are fixed with telescopic movable needle plate by cylinder nose threads.When common sewing, the needle plate
It is no different with common flat seaming machine needle plate, plays it and support cloth support line function;When encountering folded angle seam, terminal is held in the palm in telescopic movable needle plate
2 retract, and stitching perfection is superimposed, and complete to fold angle seam system, flat seaming machine of the present invention can be when carrying out folded angle operation so that line
Ring will not be wrapped on needle plate support terminal 2, be completed after folding angle seam system, and cloth cover without miscellaneous line, be convinced beauty by sewing stitching.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that:It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features;And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.