CN206580999U - The upper thread tangent mechanism and flat seam machine of a kind of flat seam machine - Google Patents
The upper thread tangent mechanism and flat seam machine of a kind of flat seam machine Download PDFInfo
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- CN206580999U CN206580999U CN201720183366.6U CN201720183366U CN206580999U CN 206580999 U CN206580999 U CN 206580999U CN 201720183366 U CN201720183366 U CN 201720183366U CN 206580999 U CN206580999 U CN 206580999U
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Abstract
The utility model is related to the upper thread tangent mechanism and flat seam machine of a kind of flat seam machine.The upper thread tangent mechanism of flat seam machine, including presser foot component, stationary knife, moving knife and making leaf spring, presser foot component includes the pressure foot for being arranged on head bottom, pressure foot is located on needle plate, and stationary knife is fixedly installed on pressure foot, and the blade of the stationary knife is facing forward, moving knife is movably arranged as on stationary knife and is connected with a drive mechanism, drive mechanism can drive moving knife to be slidably reciprocated after stationary knife is gone forward, and making leaf spring is fixedly connected and is pressed on moving knife with pressure foot, and hook and slot is offered on moving knife.The utility model causes flat seam machine under progress during road sewing process, suture the end of a thread will not be brought into sewing bottom by playing seam, nipped suture the end of a thread is close to pinprick position simultaneously, so that the length of suture the end of a thread to pinprick is short enough, ensure that on sewing be not in nest like a ball of string, substantially increase flat seam machine sew sewing aesthetics.
Description
Technical field
The utility model is related to the upper thread tangent mechanism and flat seam machine of a kind of flat seam machine.
Background technology
At present, in textile industry, sewing-machine foot is that, for applying stressed part on sewing surface, presser feet is stitched by it
The machine performance of threading is divided into sewing machine pressure foot, overedger presser feet etc..Existing clothes, leatherware etc. all almost use computer flush joint in making
Machine.At the end of computer flat sewing machine is sewed, automatic bottom line and upper thread can be cut off below needle plate.And if upper thread is when staying presser feet face, after
Continue next sewing process, during work, due to flat seam machine quick acting, the end of a thread can be deposited in below sewing, be formed when playing seam
A nest like ball of string, is commonly called as " Bird's Nest " phenomenon, and especially when playing the automatic reinforcing mode of seam, " Bird's Nest " phenomenon for playing seam position is especially bright
It is aobvious, largely effect on product quality.If operative employee is every time at the end of sewing, the upper thread of cut-out with hand strap to pressing sole (through presser feet
Line is pushed down) Bird's Nest phenomenon can be avoided, but can lose time, while the end of a thread for remaining 35MM or so is needed employment by fabric of sewing
Hand is extractd.
In order to solve " Bird's Nest " problem in current industry, it also is provided with the mechanism of anti-Bird's Nest in flat seam machine, but existing
There are respective defect and problem in anti-Bird's Nest mechanism, some meetings are when playing the first pin of seam, and upper thread is tightened up can be by bottom line the end of a thread
Take to above sewing, produce band bottom line problem.What is had occurs dropped stitch and stitching wild effect, influences the making product of product
Matter.Existing anti-Bird's Nest mechanism all can not preferably solve the end of a thread in sewing process and easily be deposited in below sewing, form Bird's Nest
The problem of shape ball of string.
Utility model content
The technical problems to be solved in the utility model, which is to provide one kind, can effectively prevent flat seam machine in sewing process center line
Head be deposited in sewing be formed below a nest like ball of string phenomenon flat seam machine upper thread tangent mechanism.
Another object is to provide a kind of flat seam machine, is accumulated for solving flat seam machine the end of a thread in sewing process in the prior art
The problem of a nest like ball of string is formed below in sewing.
In order to solve the above-mentioned technical problem, a kind of technical scheme of the utility model use is：A kind of upper thread of flat seam machine
Tangent mechanism, the flat seam machine includes head, the needle plate below the head and the suture needle component being arranged on head, institute
State and set on the eedle that suture needle component includes being located between head and needle plate and moved back and forth under energy in the vertical direction, the eedle
There is the pinprick passed through for suture.The upper thread tangent mechanism includes presser foot component, stationary knife, moving knife and making leaf spring, the presser feet group
Part includes the pressure foot for being arranged on head bottom, and the pressure foot is located on needle plate, offered on the pressure foot and eedle phase
Corresponding crossed beam trunking, the stationary knife is fixedly installed on pressure foot and positioned at the rear portion of crossed beam trunking, and the blade of the stationary knife is facing forward,
The moving knife is movably arranged as on stationary knife and is connected with a drive mechanism, and the drive mechanism can drive moving knife on stationary knife
Front and rear to slidably reciprocate, the making leaf spring is fixedly connected and is pressed on moving knife with pressure foot, and hook and slot, institute are offered on the moving knife
Stating moving knife has tangent position of the hook and slot close to stationary knife blade of the extended position being located between eedle and pressure foot and moving knife, when
During moving knife forward slip to extended position, the hook and slot of the moving knife can hook the suture below the pinprick of the eedle；When
When moving knife is slided backward, the moving knife can draw suture to stationary knife position hook；When moving knife returns to tangent position, the moving knife
Slided with the blade of stationary knife and squeeze folder by the suture cutting between pressure foot and moving knife, the making leaf spring is with moving knife by the moving knife
The suture in portion is clamped.
Specifically, the bottom of the head is extended with the shank for installing eedle and the installation for installing presser foot component
Bar, the shank and mounting rod are one in front and one in back set, and the presser foot component also includes the presser feet for being fixedly mounted on mounting rod bottom
Handle, the presser feet handle and pressure foot are pivotally connected.
It is preferred that, the eedle has two, and two eedles or so are set in parallel on shank bottom, the pressure foot
Crossed beam trunking correspondence eedle also has two, and the crossed beam trunking is the yi word pattern groove that extends along the longitudinal direction, two crossed beam trunkings or so
It is arranged in parallel.
Further, the left and right sides of the moving knife offers the hook and slot respectively, and the opening of the hook and slot is towards moving knife
Outside left and right sides, the front portion of the moving knife is formed with the curved end of evagination, and both sides extend to hook to the curved end to the left and right
At groove.
Further, on the pressure foot that the making leaf spring is fixed by fastener, the making leaf spring has two to extension
The presser feet gone out, two presser feets or so are arranged side by side, and the presser feet is low early and high after and front portion of presser feet is against on moving knife, the presser feet
Front end dig upwards.
Specifically, the guide groove extended along the longitudinal direction is provided with the pressure foot, the front opening of the guide groove,
The stationary knife is fixedly mounted on the bottom land of the guide groove, and the moving knife is located in guide groove, and the top of the moving knife is with leading
To the top sliding contact of groove groove, bottom and the sliding contact of stationary knife top, the moving knife can slide back and forth along the guiding of guide groove, institute
State guide groove groove top moving knife is pressed on enable on stationary knife moving knife it is relative with stationary knife blade slide formed shearing force will stitch
Line is cut.
A kind of preferred, the left and right sides of the pressure foot is respectively formed with the side of sidewall portion upwardly extended, the presser foot component
Also include two moving knife guides extended along the longitudinal direction, two described moving knife guides are removably mounted on two sides
The inner side of wall portion, described two moving knife guides and pressure foot constitute described guide groove, and the stationary knife is arranged on described two
On pressure foot between individual side of sidewall portion, two described moving knife guides constitute guide groove groove top, and two described moving knife are oriented to
Moving knife is pressed on by part enables the moving knife shearing force formed of sliding relative with stationary knife blade cut suture on stationary knife.
Another preferred, the presser foot component also includes two moving knife guide pads extended along the longitudinal direction, described two
Individual moving knife guide pad is removably mounted on pressure foot and set up separately in the left and right sides of pressure foot, and two moving knife guide pads are relative
Inside portion be respectively provided with inwardly protruded guide part, two described moving knife guide pads and pressure foot constitute described guide groove,
The stationary knife is arranged on the pressure foot between two described moving knife guide pads, the guide part of described two moving knife guide pads
Guide groove groove top is constituted, moving knife is pressed on by described guide part makes moving knife is relative with stationary knife blade to slide cutting for formation on stationary knife
Shear force can cut suture.
It is preferred that, the drive mechanism is cylinder, and the moving knife is connected by the piston rod of cylinder connector and cylinder, described
The piston rod of cylinder can be stretched along the longitudinal direction, and the top of the cylinder connector is fixedly connected with piston rod, bottom and moving knife
It is fixedly connected, the piston rod of the cylinder is elastic to drive moving knife to be slid back and forth on stationary knife.
A kind of flat seam machine, including head, the needle plate below the head and the suture needle component that is arranged on head, institute
State and set on the eedle that suture needle component includes being located between head and needle plate and moved back and forth under energy in the vertical direction, the eedle
There is the pinprick passed through for suture.The flat seam machine also includes above-mentioned upper thread tangent mechanism and the control being connected with upper thread tangent mechanism
Device processed, the controller can control upper thread tangent mechanism to work.
It is referred to above to the inferior noun of locality upper all around, be with operator when the flat seam machine is normally used
What is defined made in the orientation at visual angle, to operator direction it is close be before, after the direction of remote operator is, the left side of operator itself
Right above-below direction is the left and right above-below direction in text.
Scope of the present utility model, however it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, while
Other technical schemes as formed by being combined above-mentioned technical characteristic or its equivalent feature should be covered.Such as features described above
With it is disclosed herein（But it is not limited to）Technical characteristic with similar functions carries out technical scheme formed by replacement mutually
Deng.
Because above-mentioned technical proposal is used, the utility model has following advantages compared with prior art：Using front and rear cunning
Suture uncinate gyrus by that moving knife and coordinating for stationary knife can cut the suture above sewing, can be passed through moving knife by dynamic moving knife
Cooperation with making leaf spring can clamp the suture cut so that flat seam machine is under progress during road sewing process, and playing a seam will not
Suture the end of a thread is brought into sewing bottom, while nipped suture the end of a thread is close to pinprick position so that suture the end of a thread to pinprick
Length is short enough, it is ensured that be not in a ball of string for nest like on sewing, substantially increases the aesthetics of flat seam machine sewing sewing.
Brief description of the drawings
The dimensional structure diagram of flat seam machine when Fig. 1 is in extended position for moving knife in embodiment one；
Fig. 2 is the front view of the flat seam machine of embodiment one；
The left view of flat seam machine when Fig. 3 is in extended position for moving knife in embodiment one；
Fig. 4 is the partial sectional view at Fig. 2 A-A when moving knife is in extended position；
The dimensional structure diagram of flat seam machine when Fig. 5 is in tangent position for moving knife in embodiment one；
The left view of flat seam machine when Fig. 6 is in tangent position for moving knife in embodiment one；
Fig. 7 is the partial sectional view at Fig. 2 A-A when moving knife is in tangent position；
The dimensional structure diagram of upper thread tangent mechanism when Fig. 8 is in extended position for moving knife in embodiment one；
The dimensional structure diagram of upper thread tangent mechanism when Fig. 9 is in tangent position for moving knife in embodiment one；
Figure 10 is the front view of the upper thread tangent mechanism of embodiment one；
Figure 11 is the partial sectional view at Figure 10 B-B when moving knife is in extended position；
Figure 12 is the partial sectional view at Figure 10 B-B when moving knife is in tangent position；
Figure 13 is the explosive view of the upper thread tangent mechanism of embodiment one；
Figure 14 is the front view of the upper thread tangent mechanism of embodiment two；
Figure 15 is the explosive view of the upper thread tangent mechanism of embodiment two；
Wherein：1st, pressure foot；2nd, stationary knife；3rd, moving knife；4th, making leaf spring；5th, moving knife guide；6th, moving knife guide pad；7th, gas
Cylinder；8th, cylinder connector；9th, presser feet handle；11st, crossed beam trunking；12nd, side of sidewall portion；13rd, guide groove；21st, blade；31st, hook and slot；32nd, arc
End face；33rd, steady pin；41st, presser feet；61st, guide part；71st, piston rod；81st, pin-and-hole；91st, connecting pin；92nd, through hole；100th, machine
Head；101st, needle plate；102nd, eedle；103rd, pinprick；104th, suture；105th, shank；106th, mounting rod；107th, three informers hook；108、
Clamp device assembly；109th, upper thread is oriented to；110th, upper thread tangent mechanism；201st, the first bolt；202nd, the second bolt；203rd, the 3rd spiral shell
Bolt；204th, the 4th bolt；205th, the 5th bolt；206th, the 6th bolt.
Embodiment
As shown in figure 1 to figure 13, embodiment one：
A kind of flat seam machine described in the utility model includes head 100, the needle plate positioned at the lower section of head 100
101st, suture needle component, controller on head 100 are arranged on（It is not shown）With upper thread tangent mechanism described in the utility model
110.The eedle that the suture needle component includes being located between head 100 and needle plate 101 and moved back and forth under energy in the vertical direction
102.The eedle 102 is provided with the pinprick 103 passed through for suture 104.Be additionally provided with the head 100 three informers hook 107,
Clamp device assembly 108 and upper thread are oriented to 109, and suture 104 hooks 107, clamp device assembly 108 through three informers successively and upper thread is oriented to
109 guiding are penetrated in the pinprick 103 of eedle 102.
The upper thread tangent mechanism 110 described in the utility model includes presser foot component, stationary knife 2, moving knife 3, the and of making leaf spring 4
Drive mechanism.Flat seam machine in the present embodiment is the flat seam machine of two pointer type.Being provided with tandem in the head 100 is used for
The shank 105 of eedle 102 and the mounting rod 106 for installing presser foot component are installed.The shank 105 and mounting rod 106 from
The bottom of head 100 is stretched out.The eedle 102 has two, and two eedles 102 or so are set in parallel in the bottom of shank 105.Institute
Stating shank 105 can drive eedle 102 to pump.
The presser foot component includes pressure foot 1, presser feet handle 9 and moving knife guide 5.The presser feet handle 9 passes through fastener
It is fixedly mounted on the bottom of mounting rod 106.The bottom of the presser feet handle 9 has two connecting pins 91 extended forward, the connection
Pin 91 is used to connect pressure foot 1.
The pressure foot 1 is located on needle plate 101.The crossed beam trunking corresponding with eedle 102 is offered on the pressure foot 1
11, the crossed beam trunking 11 is the yi word pattern groove extended along the longitudinal direction, and the correspondence of crossed beam trunking 11 eedle 102 has two, two
Individual crossed beam trunking 11 or so is set in parallel in the front portion of pressure foot 1.The left and right sides of the pressure foot 1 rearward is respectively formed with upwards
The side of sidewall portion 12 of extension.The side of sidewall portion 12 is pivotally connected by the connecting pin 91 of the first bolt 201 and the presser feet handle 9.Institute
State pivot in left-right direction to extend, the pressure foot 1 can slightly be rotated around the pivot.
In the form of sheets, the front portion of the stationary knife 2 has the blade 21 being upturned to the stationary knife 2.The stationary knife passes through second
Bolt 202 is fixedly mounted on the pressure foot 1 between two side of sidewall portion 12 and positioned at the rear portion of crossed beam trunking 11.The blade 21 is leaned on
Nearly crossed beam trunking 11.
The moving knife guide 5 has two and extended along the longitudinal direction.Two described moving knife guides 5 pass through
Three bolts 203 are arranged on the inner side of two side of sidewall portion 12 and positioned at the top of stationary knife 2.So, two described moving knife guides
5th, pressure foot 1 and side of sidewall portion 12 constitute the guide groove 13 extended along the longitudinal direction.Two described moving knife guides 5, which are constituted, to be oriented to
The groove top of groove 13.The stationary knife 2 is fixedly mounted on the bottom land of the guide groove 13, and the moving knife 3 is located in guide groove 13, described
The top of moving knife 3 and the groove top sliding contact of guide groove 13, bottom and the top sliding contact of stationary knife 2, the moving knife 3 can be along guiding
The guiding of groove 13 slides back and forth.
The moving knife 3 is movably arranged as being connected on stationary knife 2 and with a drive mechanism, and the drive mechanism can drive dynamic
Knife 3 slidably reciprocates after stationary knife 2 is gone forward.In the present embodiment, the drive mechanism uses cylinder 7.The cylinder body of cylinder 7 leads to
The rear side that the 4th bolt 204 is fixedly installed on presser feet handle 9 is crossed, the middle part of the presser feet handle 9 offers the through hole 92 of front and rear insertion,
The piston rod 71 of the cylinder 7 is through through hole 92 and can do stretching motion along the longitudinal direction.The moving knife 3 passes through cylinder connector
8 are connected with the piston rod 71 of cylinder 7.Specifically, the top of the cylinder connector 8 passes through the 5th bolt 205 and piston rod 71
Front end be fixedly connected.The bottom of the cylinder connector 8 has on the pin-and-hole 81 of vertically insertion, the moving knife 3 and had upwards
The steady pin 33 of extension, the steady pin 33, which is penetrated, makes moving knife 3 be fixedly connected with cylinder 7 described in cylinder connector 8 in pin-and-hole 81
Piston rod 71 is elastic can to drive moving knife 3 to be slid back and forth on stationary knife 2.
The left and right sides of the moving knife 3 offers hook and slot 31 respectively, and the opening of the hook and slot 31 is towards the left and right sides of moving knife 3
Outside.The front portion of the moving knife 3 is formed with the curved end 32 of evagination, and both sides extend to hook and slot 31 to the curved end 32 to the left and right
Place.
On the pressure foot 1 that the rear portion of the making leaf spring 4 is fixed by the 6th bolt 206, the making leaf spring 4 have two to
The presser feet 41 of preceding stretching, two presser feets 41 or so are arranged side by side, the presser feet 41 is low early and high after and front portion of presser feet 41 be against it is dynamic
On knife 3, the front end of the presser feet 41 is dug upwards.
The moving knife 3 has the hook of the extended position being located between eedle 102 and the crossed beam trunking 11 of pressure foot 1 and moving knife 3
Tangent position of the groove 31 close to the blade 21 of stationary knife 2.When the forward slip of moving knife 3 to extended position, the energy of hook and slot 31 of the moving knife 3
The suture 104 of enough lower sections of pinprick 103 by the eedle 102 is hooked；When moving knife 3 is slided backward, the moving knife 3 will can be stitched
Line 104 is drawn to the position hook of stationary knife 2；When moving knife 3 returns to tangent position, moving knife 3 is pressed on by two described moving knife guides 5
The slip relative with the blade of stationary knife 2 of moving knife 3 is squeezed folder on stationary knife 2 and form shearing force by the suture between pressure foot 1 and moving knife 3
104 cut, and presser feet 41 and the moving knife 3 of the making leaf spring 4 clamp the suture 104 on the top of moving knife 3.
When flat seam machine in operation the present embodiment is sewed to sewing, controller can control suture 104 on sewing
The parallel suture path of two rows is formed, when seam line sewing is completed, shank 105, which is lifted, makes two eedles 102 are synchronous to rise,
Controller control cylinder 7 is acted, and the piston rod 71 of cylinder 7 is forward extended out, the moving knife 3 under the drive of piston rod 71 to
The suture 104 of two lower sections of eedle 102 is withstood until moving knife 3 reaches extended position, two sutures in front slide, the front end of moving knife 3
104 respectively along the curved end 32 of the front end of moving knife 3 to two side slips of moving knife 3 up to falling into hook and slot 31, and then hook and slot 31 will
Suture 104 is hooked.Cylinder 7 is acted again, and piston rod 71 makes moving knife 3 also slide backward to after-contraction, and the hook and slot 31 of moving knife 3 will be stitched
Line 104 is retracted, during retracting, and the making leaf spring 4 clamps the suture 104 on the top of moving knife 3 with moving knife 3, and moving knife 3
The suture 104 of lower section is cut by the blade of stationary knife 2.So, suture 104 is cut above sewing, while the seam above sewing
Line 104 is also jammed, and when continuing next sewing process, the lower section of sewing will not be brought into by playing the end of a thread of seam stage suture 104,
And because suture 104 is made the end of a thread of suture 104 short enough to the length between pinprick 103 above sewing by cutting, it is so comprehensive
The cooperation ball of string on the sewing caused after sewing being not in nest like, substantially increases the aesthetics of sewing.
As shown in Figure 14 and Figure 15, embodiment two：
The present embodiment is that on the basis of embodiment one, the structure between pressure foot 1 and moving knife guide 5 is changed
Enter.Specifically, the pressure foot 1 and moving knife guide in pressure foot 1 and the alternative embodiment one of moving knife guide pad 6 are used in this implementation
5.I.e. the presser foot component of embodiment two also includes two moving knife guide pads 6 extended along the longitudinal direction, and two described moving knife are led
It is arranged on pressure foot 1 and sets up separately in the left and right sides of pressure foot 1 by fastener to block 6.Two moving knife guide pads 6 are relative
Inside portion is respectively provided with inwardly protruded guide part 61, and two described moving knife guide pads 6 and pressure foot 1 constitute described guide groove
13, the stationary knife 2 is arranged on the pressure foot 1 between two described moving knife guide pads 6, two described moving knife guide pads 6
Guide part 61 constitute guide groove 13 groove top, moving knife 3 is pressed on stationary knife 2 by described guide part 61 makes moving knife 3 and the knife of stationary knife 2
The relative shearing force formed of sliding of sword can cut suture 104.So, between equally ensure that between moving knife 3 and stationary knife 2
Gap can allow suture 104 to enter and can also cut suture 104.
In two above-mentioned embodiments, each components are all detachably connected, the convenient dimensions to upper thread tangent mechanism 110
Repair and maintain.When a parts damages particularly damage for moving knife 3 and stationary knife 2, it can conveniently pull down and be individually replaced, reduce
Maintenance cost.
As described above, we are illustrated fully according to objective of the present utility model, but the utility model not limits to
In above-described embodiment and implementation.The scope that the practitioner of correlative technology field can permit in technological thought of the present utility model
It is interior to carry out different changes and implementation.
Claims (10)
1. a kind of upper thread tangent mechanism of flat seam machine, the flat seam machine includes head（100）, positioned at the head（100）Lower section
Needle plate（101）Be arranged on head（100）On suture needle component, the suture needle component include be located at head（100）And needle plate
（101）Between and the eedle that can move back and forth under in the vertical direction（102）, the eedle（102）It is provided with and supplies suture（104）
The pinprick passed through（103）, it is characterised in that：The upper thread tangent mechanism includes presser foot component, stationary knife（2）, moving knife（3）And stage clip
Piece（4）, the presser foot component is including being arranged on head（100）The pressure foot of bottom（1）, the pressure foot（1）Positioned at needle plate
（101）On, the pressure foot（1）On offer and eedle（102）Corresponding crossed beam trunking（11）, the stationary knife（2）Fixation is set
Put in pressure foot（1）Above and positioned at crossed beam trunking（11）Rear portion, the stationary knife（2）Blade forward, the moving knife（3）Actively
It is arranged on stationary knife（2）It is connected above and with a drive mechanism, the drive mechanism can drive moving knife（3）In stationary knife（2）Before and after upper
Slidably reciprocate, the making leaf spring（4）With pressure foot（1）It is fixedly connected and is pressed on moving knife（3）On, the moving knife（3）On open up
There is hook and slot（31）, the moving knife（3）With positioned at eedle（102）And pressure foot（1）Between extended position and moving knife（3）Hook
Groove（31）Close to stationary knife（2）The tangent position of blade, works as moving knife（3）During forward slip to extended position, the moving knife（3）Hook
Groove（31）Can be by the eedle（102）Pinprick（103）The suture of lower section（104）Hook；Work as moving knife（3）When sliding backward,
The moving knife（3）Can be by suture（104）To stationary knife（2）Position hook is drawn；Work as moving knife（3）When returning to tangent position, the moving knife
（3）With stationary knife（2）Blade slide and squeeze folder by pressure foot（1）With moving knife（3）Between suture（104）Cut, the making leaf spring
（4）With moving knife（3）By the moving knife（3）The suture on top（104）Clamp.
2. a kind of upper thread tangent mechanism of flat seam machine according to claim 1, it is characterised in that：The head（100）'s
Bottom is extended with for installing eedle（102）Shank（105）With the mounting rod for installing presser foot component（106）, the pin
Bar（105）And mounting rod（106）One in front and one in back set, the presser foot component also includes being fixedly mounted on mounting rod（106）Bottom
Presser feet handle（9）, the presser feet handle（9）With pressure foot（1）It is pivotally connected.
3. a kind of upper thread tangent mechanism of flat seam machine according to claim 2, it is characterised in that：The eedle（102）Tool
There are two, two eedles（102）Left and right is set in parallel in shank（105）Bottom, the pressure foot（1）On crossed beam trunking（11）It is right
Answer eedle（102）Also there are two, the crossed beam trunking（11）For the yi word pattern groove extended along the longitudinal direction, two crossed beam trunkings（11）
Left and right be arranged in parallel.
4. a kind of upper thread tangent mechanism of flat seam machine according to claim 3, it is characterised in that：The moving knife（3）A left side
Right both sides offer the hook and slot respectively（31）, the hook and slot（31）Opening towards moving knife（3）Outside left and right sides, the moving knife
（3）Front portion be formed with the curved end of evagination（32）, the curved end（32）Both sides extend to hook and slot to the left and right（31）Place.
5. a kind of upper thread tangent mechanism of flat seam machine according to claim 3, it is characterised in that：The making leaf spring（4）It is logical
Cross the pressure foot of fastener fixation（1）On, the making leaf spring（4）With two presser feets forward extended out（41）, two presser feets
（41）Left and right is arranged side by side, the presser feet（41）Low early and high after and presser feet（41）Front portion be against moving knife（3）On, the presser feet
（41）Front end dig upwards.
6. a kind of upper thread tangent mechanism of flat seam machine according to claim 1, it is characterised in that：The pressure foot（1）On
It is provided with the guide groove extended along the longitudinal direction（13）, the guide groove（13）Front opening, the stationary knife（2）It is fixedly mounted
In the guide groove（13）Bottom land on, the moving knife（3）Positioned at guide groove（13）It is interior, the moving knife（3）Top and guiding
Groove（13）The sliding contact of groove top, bottom and stationary knife（2）Top sliding contact, the moving knife（3）Can be along guide groove（13）Lead
Slide forwards, backwards, the guide groove（13）Groove top by moving knife（3）It is pressed on stationary knife（2）On make moving knife（3）With stationary knife（2）Blade
The relative shearing force for sliding formation can be by suture（104）Cut.
7. a kind of upper thread tangent mechanism of flat seam machine according to claim 6, it is characterised in that：The pressure foot（1）'s
The left and right sides is respectively formed with the side of sidewall portion upwardly extended（12）, what the presser foot component also extended along the longitudinal direction including two
Moving knife guide（5）, described two moving knife guides（5）It is removably mounted on two side of sidewall portion（12）Inner side, it is described
Two moving knife guides（5）And pressure foot（1）Constitute described guide groove（13）, the stationary knife（2）Installed in described two
Side of sidewall portion（12）Between pressure foot（1）On, two described moving knife guides（5）Constitute guide groove（13）Groove top, it is described
Two moving knife guides（5）By moving knife（3）It is pressed on stationary knife（2）On make moving knife（3）With stationary knife（2）Blade is relative to slide what is formed
Shearing force can be by suture（104）Cut.
8. a kind of upper thread tangent mechanism of flat seam machine according to claim 6, it is characterised in that：The presser foot component is also wrapped
Include two moving knife extended along the longitudinal direction guide pads（6）, described two moving knife guide pads（6）It is removably mounted on presser feet
Plate（1）Go up and set up separately in pressure foot（1）The left and right sides, two moving knife guide pads（6）Relative inside portion is respectively provided with to convex
The guide part risen（61）, described two moving knife guide pads（6）And pressure foot（1）Constitute described guide groove（13）, it is described fixed
Knife（2）Installed in two described moving knife guide pads（6）Between pressure foot（1）On, two described moving knife guide pads（6）'s
Guide part（61）Constitute guide groove（13）Groove top, described guide part（61）By moving knife（3）It is pressed on stationary knife（2）On make moving knife
（3）With stationary knife（2）The relative shearing force for sliding formation of blade can be by suture（104）Cut.
9. a kind of upper thread tangent mechanism of flat seam machine according to claim 1, it is characterised in that：The drive mechanism is gas
Cylinder（7）, the moving knife（3）Pass through cylinder connector（8）With cylinder（7）Piston rod（71）Connection, the cylinder（7）Piston rod
（71）It can stretch along the longitudinal direction, the cylinder connector（8）Top and piston rod（71）It is fixedly connected, bottom and moving knife
（3）It is fixedly connected, the cylinder（7）Piston rod（71）It is elastic to drive moving knife（3）In stationary knife（2）It is sliding before and after upper
It is dynamic.
10. a kind of flat seam machine, including head（100）, positioned at the head（100）The needle plate of lower section（101）Be arranged on head
（100）On suture needle component, the suture needle component include be located at head（100）And needle plate（101）Between and can be in vertical direction
The eedle moved back and forth up and down（102）, the eedle（102）It is provided with and supplies suture（104）The pinprick passed through（103）, its feature
It is：The flat seam machine also includes the upper thread tangent mechanism any one of claim 1 to 9 and connected with upper thread tangent mechanism
The controller connect, the controller can control upper thread tangent mechanism to work.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130661A (en) * | 2017-12-26 | 2018-06-08 | 方琳 | The control method of section line apparatus, sewing machine and sewing machine |
| CN108193389A (en) * | 2018-02-01 | 2018-06-22 | 莱州远好机械科技有限公司 | The control method of section line apparatus, sewing machine and sewing machine |
-
2017
- 2017-02-28 CN CN201720183366.6U patent/CN206580999U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130661A (en) * | 2017-12-26 | 2018-06-08 | 方琳 | The control method of section line apparatus, sewing machine and sewing machine |
| CN108193389A (en) * | 2018-02-01 | 2018-06-22 | 莱州远好机械科技有限公司 | The control method of section line apparatus, sewing machine and sewing machine |
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