CN109706647A - A kind of thread cutting mechanism of sewing machine - Google Patents
A kind of thread cutting mechanism of sewing machine Download PDFInfo
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- CN109706647A CN109706647A CN201910182339.0A CN201910182339A CN109706647A CN 109706647 A CN109706647 A CN 109706647A CN 201910182339 A CN201910182339 A CN 201910182339A CN 109706647 A CN109706647 A CN 109706647A
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Abstract
The embodiment of the invention provides a kind of thread cutting mechanism of sewing machine, belong to technical field of sewing machines, the thread cutting mechanism of sewing machine includes: bottom plate, the bottom plate indent has installation position, needle plate is provided on the bottom plate, and it is provided with rotating shuttle below the needle plate, a suture can be accommodated between the needle plate and rotating shuttle；Stationary knife component, the stationary knife are arranged in the installation position, and the stationary knife component includes: stationary knife；Stationary knife seat；Moving knife component, the moving knife are arranged in the installation position, and the moving knife component includes: moving knife, and the moving knife is strip；Moving knife bracket；Wherein, the moving knife bracket is connected with a power source, increases the movable knife rack and is mounted on sliding block, and sliding block is mounted in linear guide, and the moving knife bracket moves the moving knife relative to the stationary knife, and the motion profile of the moving knife passes through the suture.Reach all kinds of sutures of automatic shearing, and the technical effect for keeping suture not bounce back.
Description
Technical field
The present invention relates to technical field of sewing machines more particularly to a kind of thread cutting mechanism of sewing machine.
Background technique
Traditional sewing machine does not have automatic shearing function, need worker after having stitched every time with scissors by upper thread and baseline
It cuts.Working efficiency is low in this way, the large labor intensity of worker, and causes the waste of suture.
So the technical issues of prior art is, conventional sewing machine is unable to automatic shearing, and artificial trimming operation is slow and former
Waste of material.
Summary of the invention
The embodiment of the present application provides a kind of thread cutting mechanism of sewing machine, and solving conventional sewing machine in the prior art cannot be automatic
The technical issues of trimming, artificial trimming operates slow and waste of raw materials；Reach all kinds of sutures of automatic shearing, and keeps this end of peg or spindle
The technical effect that baseline does not bounce back.
The embodiment of the present application provides a kind of thread cutting mechanism of sewing machine, and the thread cutting mechanism of sewing machine includes: bottom plate, the bottom
Plate indent has installation position, is provided with needle plate on the bottom plate, and rotating shuttle is provided with below the needle plate, the needle plate and rotating shuttle it
Between can accommodate a suture；Stationary knife component, the stationary knife are arranged in the installation position, and the stationary knife component includes: stationary knife；Stationary knife
Seat, the stationary knife seat are connected with the stationary knife, and constitute an accommodation groove；Moving knife component, the moving knife are arranged in the installation
In position, the moving knife component includes: moving knife, and the moving knife is strip, and the part of the moving knife is accommodated in the accommodation groove；
Moving knife bracket, the moving knife bracket connect the moving knife；Wherein, the moving knife bracket is connected with a power source, and the moving knife
Bracket moves the moving knife relative to the stationary knife, and the motion profile of the moving knife passes through the suture.
Preferably, the stationary knife component further include: stationary knife bracket, the stationary knife bracket are arranged in the installation position and institute
It states between stationary knife seat, and the stationary knife bracket connects the installation position and the stationary knife seat.
Preferably, the stationary knife component further include: clamp, the clamp are connected on the stationary knife seat；Wherein,
The clamp corresponds to the moving knife, and the clamp and moving knife cooperation can clamp the suture.
Preferably, clamp adjusting screw is arranged relative to the stationary knife seat in the clamp, and pass through the clamp
Plate adjusting screw makes the dynamic clamping force between the clamp and the moving knife.
Preferably, the clamp is bending, and the clamp is flexible, can deformation.
Preferably, the stationary knife and moving knife are arranged between the needle plate and the rotating shuttle, and stationary knife setting exists
The top of the moving knife, and the front end of the stationary knife is arranged in the blade part on the stationary knife.
Preferably, the moving knife component further include: sliding rail, the sliding rail are arranged in the installation position of the bottom plate, institute
Stating sliding rail includes: track；Sliding block, the sliding block setting is on the track；Wherein, the moving knife bracket connects the sliding block,
And move the moving knife by the track of the track by the sliding rail.
Preferably, the track is linear type track.
Preferably, being hingedly provided with drive link on the sliding block, the drive link connects the power source.
Preferably, the thread cutting mechanism of sewing machine further include: line pressing component, the line pressing component includes: pressing plate, described
Pressing plate is connected with the stationary knife bracket, and the lower section of stationary knife bracket is arranged in the pressing plate, and the pressing plate contradicts the clamp
Bottom surface；Pressure regulator panel, the pressure regulator panel are connected with the stationary knife bracket, and the pressure regulator panel is arranged in the pressure
The lower section of plate；Wherein, the pressure regulator panel is connected with pressure regulator panel fixed screw relative to the stationary knife bracket, and
Make the pressure regulator panel relative to the variation of the conflict power of the pressing plate by the pressure regulator panel fixed screw.
Preferably, the pressure regulator panel has a forniciform deformations, the pressure regulator panel fixed screw is made
With making the deformations deformation in the deformations.
Said one or multiple technical solutions in the embodiment of the present application at least have following one or more technology effects
Fruit:
1, in the embodiment of the present application, suture is cut using the cooperation of stationary knife and moving knife, is consolidated by stationary knife fixed screw
Stationary knife, stationary knife seat and clamp are on stationary knife bracket, since stationary knife seat is that fixed and moving knife is unaffected.It is pressed from both sides by adjusting
Line plate adjusting screw can be such that pressure regulator panel is bent, and pressure regulator panel is close to pressing plate, and pressing plate is close to clamp, clamp
The lower end surface of upper end face paste moving knife, the blade face of moving knife are touched with the blade of stationary knife again, adjust spiral shell Gu passing through and adjusting clamp
The elastic of silk makes stationary knife and moving knife, the clamping force between moving knife and clamp.The variation of clamping force, stationary knife is relative to moving knife
Cooperate pressure change；So that remaining preferable bite force between stationary knife and moving knife, guarantee preferable trimming performance；In trimming
When, moving knife by sewing upper thread and baseline cut, clamp by the baseline at this end of peg or spindle be clamped in clamp and moving knife it
Between, retracting in peg or spindle would not occur in such baseline, and when being conducive to play seam next time, upper thread will be easy to baseline to hook
Upper formation stitching.It solves conventional sewing machine in the prior art and is unable to automatic shearing, artificial trimming operates slow and waste of raw materials
The technical issues of；Reach all kinds of sutures of automatic shearing, and keeps suture not bounce back and be conducive to rise the stable technical effect of seam next time.
2, in the embodiment of the present application, by adjusting the clamp adjusting screw on clamp, so that clamp is relative to fixed
The spacing of tool apron changes, and the conflict dynamics of moving knife is changed so that clamp is pressed, by contradicting the variation of dynamics, is directly affected dynamic
The upward deformation quantity of knife is conducive in a small fit clearance so that the fit clearance between moving knife and stationary knife is limited
Thick line is cut, guarantees the pressure of moving knife the smooth cutting of thick line using clamp, is solved in the prior art, cutting facility cannot
It is suitable for cutting filament and cutting thick line simultaneously；
3, in the embodiment of the present application, the size of the clamp is greater than the size of the moving knife, in order to which clamp is to dynamic
The pressure of knife, and convenient for the suture between clamp clamping clamp and moving knife.
4, in the embodiment of the present application, moving knife bracket is provided on the moving knife, moving knife bracket is connected with sliding block, passes through moving knife
The length of moving knife itself is shortened in the setting of bracket, convenient for assembling the detachable maintaining with the later period.
5, in the embodiment of the present application, sliding rail is set as linear type, advantageously ensures that the stabilization of moving knife movement, and before straight line
After move, structure is the most succinct；Have sliding block and track fit clearance is small and the flexible feature of sliding, ensure that trimming action
Accuracy and sensitivity are further ensured that the accurate and validity of suture cutting in this way.
6, in the embodiment of the present application, tool fixing frame installs line pressing component additional, increases the active force to clamp, it is ensured that cut every time
After complete line, the baseline of suture is clamped, when avoiding trimming because of peg or spindle inertia the problem of, involves in baseline in the bobbin case of rotating shuttle,
It can guarantee that upper thread smoothly triggers baseline when playing seam next time.
Detailed description of the invention
Fig. 1 is a kind of overlooking structure diagram of thread cutting mechanism of sewing machine in the embodiment of the present application；
Fig. 2 is a kind of present invention looks up structural representation of thread cutting mechanism of sewing machine in the embodiment of the present application；
Fig. 3 is the partial enlargement structural representation of Fig. 2；
Fig. 4 is structural schematic diagram of the thread cutting mechanism under moving knife open configuration in the embodiment of the present application；
Fig. 5 is structural schematic diagram of the thread cutting mechanism under moving knife closed state in the embodiment of the present application；
Fig. 6 is the configuration schematic diagram one of thread cutting mechanism in the embodiment of the present application；
Fig. 7 is the configuration schematic diagram two of thread cutting mechanism in the embodiment of the present application；
Fig. 8 is the structural schematic diagram of moving knife component and stationary knife component in the embodiment of the present application；
Fig. 9 is the structural schematic diagram of sliding rail in the embodiment of the present application；
Figure 10 is the configuration schematic diagram of drive link in the embodiment of the present application；
Figure 11 is the structural schematic diagram of the embodiment of the present application insole board.
Appended drawing reference:
1, bottom plate；11, needle plate；12, needle plate installation position；13, stationary knife bracket installation position；14, track installation position；15, sliding block
Installation position；16, drive link installation position；
2, rotating shuttle；
3, stationary knife component；31, stationary knife；311, stationary knife fixed screw；312, blade part；32, stationary knife bracket；321, stationary knife branch
Frame fixed screw；33, stationary knife seat；34, clamp；341, clamp adjusting screw；
4, moving knife component；41, moving knife；411, moving knife fixed screw；412, metallic channel；413, hooking portion；42, moving knife branch
Frame；421, moving knife support fixed screw；431, track；4311, track fixed screw；432, sliding block；4321, connecting hole；4322,
Ball；44, drive link；441, link body；442, roller；443, screw；45, axle sleeve；46, retaining ring；47, crank；
5, line pressing component；51, pressing plate；52, pressing plate fixing seat；521, pressing plate fixed screw；53, pressure regulator panel；531,
Pressure regulator panel fixed screw；
6, suture.
Specific embodiment
The embodiment of the present application provides a kind of thread cutting mechanism of sewing machine, and seam is cut using the cooperation of stationary knife 31 and moving knife 41
Line 6 has been fixed stationary knife 31 and stationary knife seat 33 by stationary knife fixed screw 311 and clamp 34 is on stationary knife bracket 32, stationary knife
Seat 33 is a step part, and stationary knife 31 is mounted on the high face of stationary knife seat 33, and moving knife 41 is placed on low flat of stationary knife seat 33
On face, moving knife 41 moves left and right between stationary knife 31 and stationary knife seat 33.The step height difference of original state stationary knife seat 33 slightly compares
The thickness of moving knife 41 more greatly, when fixed stationary knife 31 and will not kill moving knife 41, it is ensured that moving knife 41 or so in this way
Movement is flexible.The blade of moving knife 41 and the blade of stationary knife 31 have with a distance from any from mounting screw 443, are conducive to adjusting in this way
When clamp adjusting screw 341, pressure plare deformation can be made to push down pressing plate 51,51 pressure of pressing plate has and can be transmitted to clamp 34, presss from both sides
Line plate 34 can transfer the pressure on moving knife 41 again.Moving knife 41 can be made to have a upward bite force when trimming.Pass through
It adjusts the elastic of clamp adjusting screw 341 and changes the bite force between moving knife 41 and stationary knife 31, so that stationary knife 31 and moving knife
Preferable bite force is remained between 41 to adapt to the demand that various sutures 6 are cut, and guarantees preferable trimming performance；It solves
The technical issues of conventional sewing machine is unable to automatic shearing in the prior art, and artificial trimming operates slow and waste of raw materials；Reach certainly
Dynamic all kinds of sutures 6 of shearing, and the technical effect for keeping suture 6 not bounce back.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Embodiment one
A kind of thread cutting mechanism of sewing machine, the thread cutting mechanism of sewing machine include: bottom plate 1, and 1 indent of bottom plate has installation
, it is provided with needle plate 11 on the bottom plate 1, and rotating shuttle 2 is provided with below the needle plate 11, between the needle plate 11 and rotating shuttle 2
A suture 6 can be accommodated；Stationary knife component 3, the stationary knife 31 are arranged in the installation position, and the stationary knife component 3 includes: stationary knife
31；Stationary knife seat 33；Clamp 34, the stationary knife seat 33 and the stationary knife 31 connect, and constitute an accommodation groove and support moving knife 41；
Moving knife component 4, the moving knife 41 are arranged in the installation position, and the moving knife component 4 includes: moving knife 41, and the moving knife 41 is
Strip and front end have metallic channel 412, and the part of the moving knife 41 is accommodated in the accommodation groove；Moving knife bracket 42, it is described
Moving knife bracket 42 connects the moving knife 41；Sliding block 432, the sliding block 432 connect the moving knife bracket 42, are provided on sliding block 432
One strip groove is matched for power drive part, and sliding block 432 is mounted on 432 guide rail of sliding block；Wherein, the sliding block 432 is logical
The bar shaped notch crossed on sliding block 432 is connected with a power source, and the moving knife bracket 42 makes the moving knife 41 relative to described fixed
Knife 31 moves, and the motion profile of the moving knife 41 passes through the suture 6.
Specifically, the installation position be divided into needle plate installation position 12, stationary knife bracket installation position 13,431 installation position 14 of track,
44 installation position 16 of 432 installation position 15 of sliding block and drive link；Wherein, needle plate installation position 12, stationary knife bracket installation position 13, track
431 installation positions 14 and 432 installation position 15 of sliding block successively arrange backward on bottom plate 1.
Specifically, the stationary knife bracket 32 is fixed by stationary knife support fixed screw 321 and stationary knife bracket installation position 13
Connection, the setting of stationary knife seat 33 are fixed on stationary knife bracket 32 by stationary knife fixed screw 311, and stationary knife fixed screw 311 is adjusted
Occlusion amount of the adjustable stationary knife 31 relative to moving knife 41.
The stationary knife component 3 further include: stationary knife bracket 32, the stationary knife bracket 32 setting is in the installation position and described fixed
Between tool apron 33, and the stationary knife bracket 32 connects the installation position and the stationary knife seat 33.
The stationary knife component 3 further include: clamp 34, the clamp 34 are connected on the stationary knife seat 33；Wherein, institute
The corresponding moving knife 41 of clamp 34 is stated, the clamp 34 and the cooperation of the moving knife 41 can clamp the suture 6.
Specifically, the clamp 34 is an elastically-deformable sheet body or plate body, passes through the bullet of clamp 34 itself
Power acts on moving knife 41, to clamp the suture 6 between moving knife 41 and clamp 34.
Specifically, since working principle is that the stretching of moving knife 41 removes to catch on suture 6 and pulls back cutting, and moving knife 41 is strip
Sheet body, during driving suture 6 to pull back, since suture 6 is connected on rotating shuttle 2, moving knife 41 is easy to be bent downwardly moving knife 41
Deformation, clamp 34 are provided with this kind of deformation quantity for being conducive to confrontation moving knife 41, as far as possible feelings of the guarantee moving knife 41 in not deformation
It is moved under condition.
Clamp adjusting screw 341 is arranged relative to the stationary knife seat 33 in the clamp 34, and passes through the clamp
Adjusting screw 341 changes the spacing between the clamp 34 and the moving knife 41.
Specifically, the relative position height that clamp 34 can be adjusted by clamp adjusting screw 341, so that clamp
Compactness between 34 and moving knife 41 can change, and laminate pressure can change, in the case that laminate pressure changes, clamp
Plate 34 is to the chucking power of suture 6, and clamp 34 can all change the ability of anti-deformation of moving knife 41, to adapt to different size, difference
The suture 6 of material shears demand.
The clamp 34 is bending, and the clamp 34 is flexible, can deformation.
The stationary knife 31 and moving knife 41 are arranged between the needle plate 11 and the rotating shuttle 2, and the setting of the stationary knife 31 exists
The top of the moving knife 41, and the front end of the stationary knife 31 is arranged in the blade part 312 on the stationary knife 31.
Specifically, moving knife 41 uses tool steel, and stationary knife 31 uses damascene tungsten steel material, and the blade part 312 of stationary knife 31 is
Wolfram steel material, the edge of a knife are sharp wear-resisting.
The moving knife component 4 further include: sliding rail, the sliding rail are arranged in the installation position of the bottom plate 1, the sliding rail packet
It includes: track 431；Sliding block 432, the sliding block 432 are arranged on the track 431；Wherein, the moving knife bracket 42 connects described
Sliding block 432, and the moving knife 41 is moved by the track of the track 431 by the sliding rail.
Specifically, it by the way that sliding rail is arranged, so that the motion profile of moving knife 41 is fixed, and is provided on the sliding block 432
Ball 4322, so that sliding block 432 slides smooth, and not deviation on track 431.
The track 431 is linear type track 431.
Drive link 44 is hingedly provided on the sliding block 432, the drive link 44 connects the power source.
Specifically, the drive link 44 includes link body 441 and the roller 442 being set in link body 441
With screw 443, a connecting hole 4321 is provided on sliding block 432, and the roller 442 and screw 443 in link body 441 are cooperatively connected
On connecting hole 4321；And axle sleeve 45, retaining ring 46 and crank 47 are also disposed in drive link 44；Drive main body bent
Handle 47 removes connection power source, realizes power source band 432 front-rear reciprocation movement of movable slider.
The thread cutting mechanism of sewing machine further include: line pressing component 5, the line pressing component 5 include: pressing plate 51, the pressing plate
51 and the stationary knife bracket 32 connection, the pressing plate 51 lower section of stationary knife bracket 32 is set, and the pressing plate 51 contradict it is described
The bottom surface of clamp 34；Pressure regulator panel 53, the pressure regulator panel 53 and the stationary knife bracket 32 connection, the pressure are adjusted
The lower section of the pressing plate 51 is arranged in plate 53；Wherein, the pressure regulator panel 53 connects relative to the stationary knife bracket 32 and is arranged
There is pressure regulator panel fixed screw 531, and keeps the pressure regulator panel 53 opposite by the pressure regulator panel fixed screw 531
In the variation of the conflict power of the pressing plate 51.
The pressure regulator panel 53 has a forniciform deformations, and the pressure regulator panel fixed screw 531 acts on
Make the deformations deformation in the deformations.
Specifically, pressure regulator panel 53 acts on pressure plare, and clamp 34, pressure plare and pressure regulator panel 53
Size be sequentially reduced, one end of pressure regulator panel 53 is arranged in the deformations, in pressure regulator panel fixed screw 531 and fixed
After knife support 32 connects, pressure regulator panel 53 can also be rotated around pressure regulator panel fixed screw 531, further to adjust to pressure
The point of power plate pressure testing, 6 position of suture between Lai Peihe moving knife 41 and stationary knife 31, so that clamp effect becomes apparent from.
Working principle:
Trimming principle is moved along a straight line towards suture 6 on track 431 with movable slider 432 using drive link 44, utilizes moving knife
41 catch on suture 6, are moved in the opposite direction on track 431 using drive link 44 with movable slider 432 later, so that 41 band of moving knife
Suture 6 towards stationary knife 31 move, by the cooperation of moving knife 41 and stationary knife 31, suture 6 is cut off.
Adjustment of the thread cutting mechanism to 6 diameter of suture, stationary knife bracket 32 are fixed on bottom plate 1, and stationary knife seat 33 is fixed on stationary knife
On bracket 32, by the adjustment of clamp adjusting screw 341, moving knife 41 can change relative to the pressure of stationary knife 31, so that stationary knife
Bite force variation between 31 and moving knife 41.In the case where bite force increases, it is suitble to cut thick line.Anyway it is suitble to cut filament.
Clamp principle is bonded by the way that one piece of elastically-deformable clamp 34 is arranged using clamp 34 and moving knife 41, clamping
The firmly baseline at this end of peg or spindle.
Crimping principle, using the cooperation of pressure regulator panel 53 and pressure regulator panel fixed screw 531, to adjust to clamp
34 pressure, so that the chucking power between clamp 34 and moving knife 41 changes, so that this thread cutting mechanism is useful in different sutures 6
In shearing, so that be capable of clamping filament when shearing filament, when shearing thick line, moving knife 41 can be smoothly by thick line band to dynamic
Knife 41.
Technical effect:
1, in the embodiment of the present application, cut suture using the cooperation of stationary knife and moving knife, by clamp adjusting screw come
The bite force for adjusting moving knife and stationary knife, due to stationary knife seat be it is fixed and unaffected, in adjustment process, moving knife moves up and down,
Cooperation pressure change of the moving knife relative to stationary knife；So clamp adjusting screw can control the amount of occlusion of stationary knife with moving knife, make
It obtains and remains preferable bite force between stationary knife and moving knife, guarantee preferable trimming performance；It solves traditional in the prior art
The technical issues of sewing machine is unable to automatic shearing, and artificial trimming operates slow and waste of raw materials；Reach all kinds of sutures of automatic shearing,
And the technical effect for keeping suture not bounce back.
2, in the embodiment of the present application, by adjusting the clamp adjusting screw on clamp, so that clamp is relative to fixed
The spacing of tool apron changes, and the conflict dynamics of moving knife is changed so that clamp is pressed, by contradicting the variation of dynamics, is directly affected dynamic
The downward deformation quantity of knife is conducive in a small fit clearance so that the fit clearance between moving knife and stationary knife is limited
Thick line is cut, guarantees the pressure of moving knife the smooth cutting of thick line using clamp, is solved in the prior art, cutting facility cannot
It is suitable for cutting filament and cutting thick line simultaneously；
3, in the embodiment of the present application, the size of the clamp is greater than the size of the moving knife, in order to which clamp is to dynamic
The pressure of knife, and convenient for the suture between clamp clamping clamp and moving knife.
4, in the embodiment of the present application, moving knife bracket is provided on the moving knife, moving knife bracket is connected with sliding block, passes through moving knife
The length of moving knife itself is shortened in the setting of bracket, convenient for assembling the detachable maintaining with the later period.
5, in the embodiment of the present application, sliding rail is set as linear type, advantageously ensures that the stabilization of moving knife movement, and before straight line
After move, structure is the most succinct；Have sliding block and track fit clearance is small and the flexible feature of sliding, ensure that trimming action
Accuracy and sensitivity are further ensured that the accurate and validity of suture cutting in this way.
6, in the embodiment of the present application, tool fixing frame installs line pressing component additional, increases the active force to clamp, it is ensured that cut every time
After complete line, the baseline of suture is clamped, when avoiding trimming because of peg or spindle inertia the problem of, involves in baseline in the bobbin case of rotating shuttle,
It can guarantee that upper thread smoothly triggers baseline when playing seam next time.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (7)
1. a kind of thread cutting mechanism of sewing machine, which is characterized in that the thread cutting mechanism of sewing machine includes:
Bottom plate, the bottom plate indent have installation position, needle plate are provided on the bottom plate, and be provided with rotating shuttle below the needle plate,
A suture can be accommodated between the needle plate and rotating shuttle；
Stationary knife component, the stationary knife are arranged in the installation position, and the stationary knife component includes:
Stationary knife；
Stationary knife seat, the stationary knife seat are connected with the stationary knife, and constitute an accommodation groove；
Moving knife component, the moving knife are arranged in the installation position, and the moving knife component includes:
Moving knife, the moving knife are strip, and the part of the moving knife is accommodated in the accommodation groove；
Moving knife bracket, the moving knife bracket connect the moving knife；
Wherein, the moving knife bracket is connected with a power source, and the moving knife bracket transports the moving knife relative to the stationary knife
It is dynamic, and the motion profile of the moving knife passes through the suture.
2. thread cutting mechanism of sewing machine as described in claim 1, which is characterized in that the stationary knife component further include:
Stationary knife bracket, the stationary knife bracket are arranged between the installation position and the stationary knife seat, and the stationary knife bracket connects
The installation position and the stationary knife seat.
3. thread cutting mechanism of sewing machine as described in claim 1, which is characterized in that the stationary knife component further include:
Clamp, the clamp are connected on the stationary knife seat；
Wherein, the clamp corresponds to the moving knife, and the clamp and moving knife cooperation can clamp the suture.
4. thread cutting mechanism of sewing machine as claimed in claim 3, which is characterized in that the clamp is set relative to the stationary knife seat
Clamp adjusting screw is set, and becomes the clamping force between the clamp and the moving knife by the clamp adjusting screw
Change.
5. thread cutting mechanism of sewing machine as described in claim 3 or 4, which is characterized in that the clamp is bending, and described
Clamp is flexible, can deformation.
6. thread cutting mechanism of sewing machine as described in claim 1, which is characterized in that the stationary knife and moving knife are arranged in the needle plate
Between the rotating shuttle, and the top of the moving knife is arranged in the stationary knife, and the blade part on the stationary knife is arranged described
The front end of stationary knife.
7. thread cutting mechanism of sewing machine as described in claim 1, which is characterized in that the moving knife component further include:
Sliding rail, the sliding rail are arranged in the installation position of the bottom plate, and the sliding rail includes:
Track；
Sliding block, the sliding block setting is on the track；
Wherein, the moving knife bracket connects the sliding block, and transports the moving knife by the track of the track by the sliding rail
It is dynamic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182339.0A CN109706647A (en) | 2019-03-12 | 2019-03-12 | A kind of thread cutting mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910182339.0A CN109706647A (en) | 2019-03-12 | 2019-03-12 | A kind of thread cutting mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109706647A true CN109706647A (en) | 2019-05-03 |
Family
ID=66266691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910182339.0A Pending CN109706647A (en) | 2019-03-12 | 2019-03-12 | A kind of thread cutting mechanism of sewing machine |
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| Country | Link |
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| CN (1) | CN109706647A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485072A (en) * | 2019-07-30 | 2019-11-22 | 长园和鹰智能科技(苏州)有限公司 | A kind of installation module of sewing device |
| CN113897741A (en) * | 2021-11-12 | 2022-01-07 | 苏州日和缝制设备有限公司 | Thread trimming mechanism of sewing machine and sewing machine |
-
2019
- 2019-03-12 CN CN201910182339.0A patent/CN109706647A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110485072A (en) * | 2019-07-30 | 2019-11-22 | 长园和鹰智能科技(苏州)有限公司 | A kind of installation module of sewing device |
| CN113897741A (en) * | 2021-11-12 | 2022-01-07 | 苏州日和缝制设备有限公司 | Thread trimming mechanism of sewing machine and sewing machine |
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