CN109208188A - A kind of needle gage automatic adjusting mechanism and sewing machine - Google Patents
A kind of needle gage automatic adjusting mechanism and sewing machine Download PDFInfo
- Publication number
- CN109208188A CN109208188A CN201811350760.XA CN201811350760A CN109208188A CN 109208188 A CN109208188 A CN 109208188A CN 201811350760 A CN201811350760 A CN 201811350760A CN 109208188 A CN109208188 A CN 109208188A
- Authority
- CN
- China
- Prior art keywords
- needle gage
- needle
- adjusts
- transmission component
- feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/22—Work-feeding means with means for setting length of stitch
Abstract
The present invention provides a kind of needle gage automatic adjusting mechanism, including main shaft disposed in parallel and feed spool and the first feeding transmission component being connected between main shaft and feed spool, the needle gage automatic adjusting mechanism further includes that needle gage adjusts driving source and needle gage adjusting transmission component, the first feeding transmission component includes the swing seat with fixed axis of oscillation, and the needle gage adjusts driving source and is connected by needle gage adjusting transmission component with swing seat；When needle gage adjusts driving source movement, the needle gage adjusts driving source and drives swing seat to fix axis of oscillation rotation around it by needle gage adjusting transmission component, changes main shaft and passes through the amplitude of fluctuation that the first feeding transmission component drives feed spool to swing.The present invention can be realized the automatic adjustment and diversification of needle gage, easy to operate, efficient and accurate, to improve stitching aesthetics, provide sewing quality.
Description
Technical field
The present invention relates to a kind of sewing machines, more particularly to the needle gage automatic adjusting mechanism in a kind of sewing machine.
Background technique
Needle gage regulating mechanism is equipped in existing flat seam machine, needle gage regulating mechanism is hand adjusting, and structure is such as
Shown in Fig. 1, existing needle gage regulating mechanism includes bidding quotation button 100 and the sewing machine case spiral shell outside sewing machine case
Bidding quotation stud 200, feed regulator 300 and the connecting rod of falling feeding 400 of line connection, bidding quotation button 100 and bidding quotation stud 200
Front end mutually fix, the rear end of bidding quotation stud 200 and the front end face of feed regulator 300 abut against, after feed regulator 300
It holds and is hinged with the upper end of the connecting rod of falling feeding 400, the lower end of the connecting rod of falling feeding 400, which acts on, is connected to machine spindle and feeding
Feeding transmission component between axis.Need metering needle away from when, operator rotates bidding quotation button 100 manually, then bidding quotation button 100
Bidding quotation stud 200 is driven, bidding quotation stud 200 can be moved forward or be moved back while rotation, and then by feed regulator 300 and be fallen
Feeding connecting rod 400 changes the position for the component connecting in feeding transmission component with the connecting rod of falling feeding 400, to change main shaft band
The amplitude of fluctuation that dynamic feed spool is swung, and then change the stroke that retainer is moved forward and backward, realize that needle gage is adjusted.But above-mentioned needle gage
There are following defects for regulating mechanism: it is manually adjusts, therefore operation is more troublesome, and relatively passive, can not be in sewing process
Automatically adjust needle gage.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of needle gage automatic adjusting mechanism,
It can be realized the automatic adjustment of needle gage.
To achieve the above object, the present invention provides a kind of needle gage automatic adjusting mechanism, including main shaft disposed in parallel and send
Material axis and the first feeding transmission component being connected between main shaft and feed spool, the needle gage automatic adjusting mechanism further include
Needle gage adjusts driving source and needle gage adjusts transmission component, and the first feeding transmission component includes having fixed axis of oscillation
Swing seat, the needle gage adjusts driving source and is connected by needle gage adjusting transmission component with swing seat；It is driven when needle gage is adjusted
When source acts, the needle gage adjusts driving source and drives swing seat to turn around its fixation axis of oscillation by needle gage adjusting transmission component
It is dynamic, change the amplitude of fluctuation that main shaft drives feed spool to swing by the first feeding transmission component.
Further, it includes adjusting driving source by needle gage to drive the needle gage adjusting of rotation convex that the needle gage, which adjusts transmission component,
Wheel, needle gage adjust crank, are fixed on the gear pin of needle gage adjusting crank one end and are parallel to the needle gage adjusting of feed spool
Axis, the needle gage adjust and offer needle gage regulating tank, the gear pin and needle on the side that cam adjusts crank towards needle gage
It is driven away from regulating tank and cooperates and can be moved along the extending direction of needle gage regulating tank relative to needle gage regulating tank, the needle gage tune
The other end that needle gage adjusts crank is fixed in one end of nodal axisn, and the other end of the needle gage adjustment axis is fixed on swing seat.
Preferably, the needle gage regulating tank is one section of arc groove.
Preferably, the middle position of the needle gage regulating tank is the minimum point of needle gage regulating tank；When gear pin is located at needle
When at the minimum point away from regulating tank, the needle gage of sewing machine is zero.
Further, it includes adjusting driving source by needle gage to drive the needle gage adjusting of rotation convex that the needle gage, which adjusts transmission component,
Wheel, needle gage adjust crank, are fixed on the gear pin of needle gage adjusting crank one end and are parallel to the needle gage adjusting of feed spool
Axis, the outer peripheral surface that the needle gage adjusts cam have variable diameter drive surface, and the gear pin is abutted against with variable diameter drive surface, described
The other end that needle gage adjusts crank is fixed in one end of needle gage adjustment axis, and the other end of the needle gage adjustment axis is fixed on swing
Seat.
Preferably, it further includes the preloading spring being set in needle gage adjustment axis that the needle gage, which adjusts transmission component, described pre-
One end of tight spring adjusts the variable diameter drive surface that crank is connected, gear pin is made to be tightly attached to needle gage adjusting cam with needle gage.
Preferably, when gear pin is located at the middle position of variable diameter drive surface, the needle gage of sewing machine is zero.
Further, it is driving motor, the platen bottom surface for being fixed on sewing machine, the driving that the needle gage, which adjusts driving source,
Motor is stepper motor.
Further, the first feeding transmission component further include the feeding eccentric wheel being fixed on main shaft, feeding connecting rod,
Positioned at the first swing arm of feeding connecting rod lower end outside, the second swing arm on the outside of the first swing arm and it is fixed on feed spool
Feeding drives crank, and second swing arm is located in swing seat, and it is inclined that the upper end of the feeding connecting rod is rotatably mounted around feeding
One end of the periphery of heart wheel, the lower end of the feeding connecting rod, one end of the first swing arm and the second swing arm is coaxially hinged, described
The other end of first swing arm and feeding driving crank are hinged, and the other end and swing seat of second swing arm are hinged.
The present invention also provides a kind of sewing machine, needle gage automatic adjusting mechanism as described above is installed in the sewing machine.
As described above, needle gage automatic adjusting mechanism of the present invention and sewing machine, have the advantages that
The present invention can be realized the automatic adjustment and diversification of needle gage, easy to operate, efficient and accurate, to improve stitching
Aesthetics provides sewing quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art mid-cut regulating mechanism.
Fig. 2 is the structural schematic diagram of the application mid-cut automatic adjusting mechanism embodiment one.
The A that Fig. 3 is Fig. 2 encloses enlarged drawing.
Fig. 4 is the structural schematic diagram that Fig. 2 mid-cut adjusts cam.
Fig. 5 is the structural schematic diagram of the application mid-cut automatic adjusting mechanism embodiment two.
The B that Fig. 6 is Fig. 5 encloses enlarged drawing.
Fig. 7 is the structural schematic diagram that Fig. 5 mid-cut adjusts cam.
Component label instructions
10 main shafts
20 feed spools
30 first feeding transmission components
31 swing seats
32 feeding eccentric wheels
33 feeding connecting rods
34 first swing arms
35 second swing arms
36 feedings drive crank
40 second feeding transmission components
50 needle gages adjust driving source
60 needle gages adjust transmission component
61 needle gages adjust cam
611 needle gage regulating tanks
612 variable diameter drive surfaces
613 cam contacts
614 actuated by cams portions
62 needle gages adjust crank
63 gear pins
64 needle gage adjustment axis
65 preloading springs
70 feed lifting rock shafts
80 first lift tooth transmission components
90 second lift tooth transmission components
110 retainers
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that structure, ratio, size etc. that this specification attached drawing is drawn, only to cooperate specification revealed interior
Hold, so that those skilled in the art understands and reads, is not intended to limit the invention enforceable qualifications, therefore does not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced not influencing the present invention
Under raw effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.Together
When, cited such as "upper" in this specification, "lower", "left", "right", " centre " and " one " term, be merely convenient to chat
It states clearly, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing technology without essence
It inside holds, when being also considered as the enforceable scope of the present invention.
In following embodiment, all directions are defined as follows: the width direction of sewing machine being defined as front-rear direction, will be sewed
The length direction of machine is defined as left and right directions, and the short transverse of sewing machine is defined as up and down direction, and towards head of sewing machine
Direction be left direction, towards the direction of sewing machine tail be right direction.
The application provides a kind of sewing machine, which has feeding mechanism.As illustrated in fig. 2 or fig. 5, sending in sewing machine
Material mechanism includes the main shaft 10 rotated by main motor driving, is parallel to the feed lifting rock shaft 70 of main shaft 10, is parallel to the feeding of main shaft 10
Axis 20, retainer 110, the feeding tooth for being fixed on retainer 110, the first lift tooth transmission group being connected between main shaft 10 and feed lifting rock shaft 70
Part 80, second be connected between 110 rear end of feed lifting rock shaft 70 and retainer lift tooth transmission component 90, are connected to main shaft 10 and feed spool
The first feeding transmission component 30 between 20 and the second feeding being connected between 110 front end of feed spool 20 and retainer transmission
Component 40.When sewing machine is sewed, main motor driving spindle 10 is rotated, and main shaft 10 passes through the first lift driving lift tooth of tooth transmission component 80
Axis 70 drives retainer 110 and feeding tooth or more past around its own axis oscillating, feed lifting rock shaft 70 by the second lift tooth transmission component 90
Multiple movement；Meanwhile main shaft 10 drives feed spool 20 around its own axis oscillating, feed spool 20 by the first feeding transmission component 30
Retainer 110 and feeding tooth front-rear reciprocation movement are driven by the second feeding transmission component 40.Therefore, feeding tooth, which is done, up and down reciprocatingly transports
Dynamic and front-rear reciprocation movement compound motion, similar motion profile is ellipticity, and sewing is transferred in realization in the longitudinal direction.
Further, in above-mentioned sewing machine, the preferred structure of the first feeding transmission component 30 is as follows: such as Fig. 2 or Fig. 5
Shown, the first feeding transmission component 30 further includes the feeding eccentric wheel 32 being fixed on main shaft 10, feeding connecting rod 33, is located at
First swing arm 34 of 33 lower end outside of feeding connecting rod, positioned at the outside of the first swing arm 34 the second swing arm 35 and be fixed on feeding
The feeding of axis 20 drives crank 36, and second swing arm 35 is located in swing seat 31, and the upper end of the feeding connecting rod 33 can be rotated
Ground is sleeved on the periphery of feeding eccentric wheel 32, the lower end of the feeding connecting rod 33, the rear end of the first swing arm 34 and the second swing arm
35 rear end is coaxially hinged, and the front end end of first swing arm 34 and feeding driving crank 36 are hinged, second swing arm 35
Front end and swing seat 31 are hinged.
Further, needle gage automatic adjusting mechanism is also equipped in the sewing machine, needle gage automatic adjusting mechanism is for adjusting
Save the size of the needle gage of sewing machine.As illustrated in fig. 2 or fig. 5, needle gage automatic adjusting mechanism includes above-mentioned main shaft 10,20 and of feed spool
Outside first feeding transmission component 30, needle gage automatic adjusting mechanism further includes that needle gage adjusts driving source 50 and needle gage adjusting transmission
Component 60, the swing seat 31 in the first feeding transmission component 30 have fixed axis of oscillation, and the needle gage adjusts driving source
50 adjust transmission component 60 by needle gage is connected with swing seat 31；Normal sewing not metering needle away from when, the needle gage is adjusted
Driving source 50 is failure to actuate, therefore swing seat 31 is motionless；When needle gage, which adjusts driving source 50, to be acted, the needle gage adjusts driving source
50, which adjust transmission component 60 by needle gage, drives swing seat 31 to fix axis of oscillation rotation around it, changes main shaft 10 and send by first
Expect transmission component 30 drive feed spool 20 swing amplitude of fluctuation, thus change main shaft 10 by the first feeding transmission component 30,
The stroke of feed spool 20 and the second feeding transmission component 40 driving feeding tooth front-rear reciprocation movement, and then change the needle of sewing machine
Away from.Therefore, the present invention adjusts the size of the output automatic adjustment needle gage of driving source 50 by control needle gage, realizes the automatic of needle gage
It adjusts and diversified, it is easy to operate, efficient and accurate, to improve stitching aesthetics, provide sewing quality.Preferably, described
It is driving motor, the platen bottom surface for being fixed on sewing machine that needle gage, which adjusts driving source 50, and the driving motor is stepper motor, described
Driving motor is connected with the electronic control module of sewing machine, by the output of electric control module controls driving motor, realizes Digital Control.
Two preferred embodiments of needle gage automatic adjusting mechanism presented below.
Needle gage automatic adjusting mechanism embodiment one, as shown in Figures 2 to 4, in needle gage automatic adjusting mechanism embodiment one
It includes that needle gage adjusts cam 61, needle gage adjusts crank 62, gear pin 63 and is parallel to feeding that needle gage, which adjusts transmission component 60,
The needle gage adjustment axis 64 of axis 20, the lower section of the needle gage adjusting cam 61 is cam contact 613, upper portion is cam
Driving portion 614, the cam contact 613 that needle gage adjusts cam 61 are fixed on the output that needle gage adjusts driving source 50 by screw
Axis, therefore needle gage adjusts cam 61 by the needle gage adjusting driving rotation of driving source 50；614 court of actuated by cams portion of needle gage adjusting cam 61
Needle gage regulating tank 611 is offered on the left side for adjusting crank 62 to needle gage；Gear pin 63 or so extends, gear pin 63
Right section of part is driven cooperation with needle gage regulating tank 611 and can adjust along the extending direction of needle gage regulating tank 611 relative to needle gage
Slot 611 is mobile, and the outer peripheral surface of gear pin 63 is contacted with the cell wall of needle gage regulating tank 611 for line, and left section of gear pin 63
One end that needle gage adjusts crank 62 is fixed in part；The other end that needle gage adjusts crank 62 passes through screw and needle gage adjustment axis 64
Right end is mutually fixed；Swing seat 31 is fixed in the left end of needle gage adjustment axis 64.
When electronic control module, which adjusts driving source 50 to needle gage, sends command signal, the output shaft that needle gage adjusts driving source 50 turns
Corresponding angle is crossed, needle gage adjusts driving source 50 and needle gage is driven to adjust the rotation of cam 61, passes through needle gage regulating tank 611, trundle
Axis 63, needle gage adjust the transmission of crank 62 and a series of power of needle gage adjustment axis 64, make swing seat 31 in needle gage adjustment axis 64
Mandrel line is swung up and down, and drives the amplitude of fluctuation of the swing of feed spool 20 to change main shaft 10 by the first feeding transmission component 30 with this
Degree achievees the effect that automatically adjust needle gage.Therefore, the central axis of needle gage adjustment axis 64 is the fixation swinging axle of swing seat 31
Line.The output that needle gage adjusts the stepper motor of driving source 50 is constituted by process control, can also be adjusted automatically in sewing process
The needle gage for saving sewing machine, has the advantages that efficient, accurate.
As shown in figure 4, the needle gage regulating tank 611 is one section of arc groove, arc groove is downwardly concaved.Meanwhile needle gage is adjusted
The middle position of slot 611 is the minimum point of needle gage regulating tank 611；When gear pin 63 is located at the minimum point of needle gage regulating tank 611
When place, at this point, swing seat 31 tends to be horizontal, the needle gage of sewing machine is zero, otherwise needle gage becomes larger.Crank is adjusted when being fixed on needle gage
When the gear pin 63 of 62 one end moves to the extreme position at 611 both ends of needle gage regulating tank, stepper motor meeting stall, electronic control module
Automatic identification mistake, thus prevent excessive metering needle away from.The application can be realized gear pin 63 and rest on needle gage regulating tank 611
Any position, thus realize in adjustable extent needle gage have diversity.
Needle gage automatic adjusting mechanism embodiment two, as shown in Figures 5 to 7, in needle gage automatic adjusting mechanism embodiment two
It includes that needle gage adjusts cam 61, needle gage adjusts crank 62, gear pin 63 and is parallel to feeding that needle gage, which adjusts transmission component 60,
The needle gage adjustment axis 64 of axis 20, the needle gage adjust cam 61 and are fixed on the output shaft that needle gage adjusts driving source 50 by screw,
Therefore needle gage adjusts cam 61 by the needle gage adjusting driving rotation of driving source 50；The outer peripheral surface that needle gage adjusts cam 61 drives with variable diameter
Face 612；Gear pin 63 or so extends, and right section of part of gear pin 63 adjusts the variable diameter drive surface 612 of cam 61 with needle gage
It abuts against and tangent, one end that needle gage adjusts crank 62 is fixed in left section of part of gear pin 63；Needle gage adjusts crank 62
The other end is mutually fixed by screw and the right end of needle gage adjustment axis 64；Swing seat 31 is fixed in the left end of needle gage adjustment axis 64.
When electronic control module, which adjusts driving source 50 to needle gage, sends command signal, the output shaft that needle gage adjusts driving source 50 turns
Corresponding angle is crossed, needle gage adjusts driving source 50 and needle gage is driven to adjust the rotation of cam 61, passes through variable diameter drive surface 612, trundle
Axis 63, needle gage adjust the transmission of crank 62 and a series of power of needle gage adjustment axis 64, make swing seat 31 in needle gage adjustment axis 64
Mandrel line is swung up and down, and drives the amplitude of fluctuation of the swing of feed spool 20 to change main shaft 10 by the first feeding transmission component 30 with this
Degree achievees the effect that automatically adjust needle gage.Therefore, the central axis of needle gage adjustment axis 64 is the fixation swinging axle of swing seat 31
Line.The output that needle gage adjusts the stepper motor of driving source 50 is constituted by process control, can also be adjusted automatically in sewing process
The needle gage for saving sewing machine, has the advantages that efficient, accurate.In addition, when gear pin 63 is located in 612 stroke of variable diameter drive surface
Between at position when, at this point, swing seat 31 tends to be horizontal, the needle gage of sewing machine is zero, otherwise needle gage becomes larger.
As shown in fig. 6, it further includes the preloading spring being set in needle gage adjustment axis 64 that the needle gage, which adjusts transmission component 60,
65, one end of the preloading spring 65 adjusts crank 62 with needle gage and is connected, and preloading spring 65 adjusts crank 62 to needle gage and applies
One power tangent with the variable diameter drive surface 612 of needle gage adjusting cam 61, so that being fixed on the biography that needle gage adjusts 62 one end of crank
Dynamic pin shaft 63 is tightly attached to the variable diameter drive surface 612 that needle gage adjusts cam 61, guarantees the accuracy that needle gage is adjusted.
In the other embodiments of needle gage automatic adjusting mechanism, needle gage, which adjusts transmission component 60, can be used pulley drive shape
Formula, gear-driven form etc. drive needle gage adjustment axis 64 to rotate, to achieve the purpose that automatically adjust needle gage.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (10)
1. a kind of needle gage automatic adjusting mechanism, including main shaft disposed in parallel (10) and feed spool (20) and it is connected to main shaft
(10) the first feeding transmission component (30) between feed spool (20), it is characterised in that: the needle gage automatic adjusting mechanism is also
Driving source (50) are adjusted including needle gage and needle gage adjusts transmission component (60), and the first feeding transmission component (30) includes
Swing seat (31) with fixed axis of oscillation, the needle gage adjust driving source (50) by needle gage adjust transmission component (60) and
Swing seat (31) is connected；When needle gage adjusts driving source (50) movement, the needle gage adjusts driving source (50) and passes through needle gage tune
It saves transmission component (60) driving swing seat (31) and fixes axis of oscillation rotation around it, change main shaft (10) and be driven by the first feeding
The amplitude of fluctuation that component (30) drives feed spool (20) to swing.
2. needle gage automatic adjusting mechanism according to claim 1, it is characterised in that: the needle gage adjusts transmission component (60)
Needle gage including adjusting driving source (50) driving rotation by needle gage adjusts cam (61), needle gage adjusts crank (62), is fixed on needle
Away from the gear pin (63) for adjusting crank (62) one end and it is parallel to the needle gage adjustment axis (64) of feed spool (20), the needle
Needle gage regulating tank (611), the gear pin are offered on the side that cam (61) adjust crank (62) towards needle gage away from adjusting
(63) cooperate and can be adjusted along the extending direction of needle gage regulating tank (611) relative to needle gage with needle gage regulating tank (611) transmission
Slot (611) is mobile, and the other end that needle gage adjusts crank (62), the needle gage tune are fixed in one end of the needle gage adjustment axis (64)
The other end of nodal axisn (64) is fixed on swing seat (31).
3. needle gage automatic adjusting mechanism according to claim 2, it is characterised in that: the needle gage regulating tank (611) is one
Section arc groove.
4. needle gage automatic adjusting mechanism according to claim 3, it is characterised in that: in the needle gage regulating tank (611)
Meta position is set to the minimum point of needle gage regulating tank (611)；When gear pin (63) is located at the minimum point of needle gage regulating tank (611)
When, the needle gage of sewing machine is zero.
5. needle gage automatic adjusting mechanism according to claim 1, it is characterised in that: the needle gage adjusts transmission component (60)
Needle gage including adjusting driving source (50) driving rotation by needle gage adjusts cam (61), needle gage adjusts crank (62), is fixed on needle
Away from the gear pin (63) for adjusting crank (62) one end and it is parallel to the needle gage adjustment axis (64) of feed spool (20), the needle
There is variable diameter drive surface (612), the gear pin (63) and variable diameter drive surface (612) phase away from the outer peripheral surface for adjusting cam (61)
It abuts, the other end that needle gage adjusts crank (62), the needle gage adjustment axis are fixed in one end of the needle gage adjustment axis (64)
(64) the other end is fixed on swing seat (31).
6. needle gage automatic adjusting mechanism according to claim 5, it is characterised in that: the needle gage adjusts transmission component (60)
It further include the preloading spring (65) being set on needle gage adjustment axis (64), one end of the preloading spring (65) and needle gage adjust bent
Handle (62) is connected, gear pin (63) is made to be tightly attached to the variable diameter drive surface (612) that needle gage adjusts cam (61).
7. needle gage automatic adjusting mechanism according to claim 5, it is characterised in that: driven when gear pin (63) is located at variable diameter
When the middle position of dynamic face (612), the needle gage of sewing machine is zero.
8. needle gage automatic adjusting mechanism described according to claim 1 or 2 or 5, it is characterised in that: the needle gage adjusts driving source
(50) it is driving motor, is fixed on the platen bottom surface of sewing machine, the driving motor is stepper motor.
9. needle gage automatic adjusting mechanism according to claim 1, it is characterised in that: the first feeding transmission component (30)
Further include the feeding eccentric wheel (32) being fixed on main shaft (10), feeding connecting rod (33), be located at feeding connecting rod (33) lower end outside
The first swing arm (34), the second swing arm (35) for being located on the outside of the first swing arm (34) and be fixed on the feedings of feed spool (20)
It drives crank (36), second swing arm (35) is located in swing seat (31), and the upper end of the feeding connecting rod (33) is rotationally
Be sleeved on the periphery of feeding eccentric wheel (32), the lower end of the feeding connecting rod (33), the first swing arm (34) one end and second
One end of swing arm (35) is coaxially hinged, the other end of first swing arm (34) and feeding driving crank (36) hingedly, described the
The other end of two swing arms (35) and swing seat (31) are hinged.
10. a kind of sewing machine, it is characterised in that: be equipped with the described in any item needle gages of claim 1-9 in the sewing machine certainly
Dynamic regulating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350760.XA CN109208188B (en) | 2018-11-14 | 2018-11-14 | Automatic needle pitch adjusting mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350760.XA CN109208188B (en) | 2018-11-14 | 2018-11-14 | Automatic needle pitch adjusting mechanism and sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109208188A true CN109208188A (en) | 2019-01-15 |
| CN109208188B CN109208188B (en) | 2021-06-22 |
Family
ID=64996280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811350760.XA Active CN109208188B (en) | 2018-11-14 | 2018-11-14 | Automatic needle pitch adjusting mechanism and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109208188B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109706629A (en) * | 2019-02-22 | 2019-05-03 | 浙江美机缝纫机有限公司 | The sewing length adjustment device of sewing machine |
| CN109881376A (en) * | 2019-03-18 | 2019-06-14 | 拓卡奔马机电科技有限公司 | Sewing length adjustment device and its operational method |
| CN110130003A (en) * | 2019-06-27 | 2019-08-16 | 廊坊市东平汽车零配件有限公司 | A kind of application method of sewing machine and sewing machine |
| CN110485065A (en) * | 2019-09-10 | 2019-11-22 | 杰克缝纫机股份有限公司 | A kind of needle gage adjustment structure of sewing machine |
| CN111501225A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Thread trimming and presser foot lifting and needle sealing device of sewing machine and sewing machine |
| CN111501222A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Thread trimming and stitch length adjusting device of sewing machine and sewing machine |
| CN112048838A (en) * | 2019-06-05 | 2020-12-08 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN112626730A (en) * | 2019-09-24 | 2021-04-09 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN112626737A (en) * | 2019-09-24 | 2021-04-09 | 杰克缝纫机股份有限公司 | Transmission clutch mechanism and sewing machine |
| CN112626722A (en) * | 2019-09-24 | 2021-04-09 | 启翔股份有限公司 | Differential feeding upper pulling machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954071A (en) * | 1973-12-10 | 1976-05-04 | Firma Pfaff Industriemaschinen Gmbh | Sewing machine having top and bottom feed synchronizing means |
| US4587915A (en) * | 1983-11-24 | 1986-05-13 | Pfaff Industriemaschinen Gmbh | Method and sewing machine for approaching a predetermined end point of a seam |
| US4612867A (en) * | 1983-12-21 | 1986-09-23 | Pfaff Industriemaschinen Gmbh | Method and apparatus for the pattern-correct sewing together of cloth parts |
| US4658741A (en) * | 1985-07-13 | 1987-04-21 | Pfaff Industriemaschinen Gmbh | Method and apparatus for determining the amount of advance of a plurality of material plies |
| CN204058890U (en) * | 2014-08-29 | 2014-12-31 | 西安标准工业股份有限公司 | A kind of Sewing machines utilizing driving stepper motor needle gage governor motion |
| CN204644610U (en) * | 2015-05-18 | 2015-09-16 | 浙江美机缝纫机有限公司 | Needle gage automatic adjusting mechanism |
| CN207313873U (en) * | 2017-09-26 | 2018-05-04 | 上海富山精密机械科技有限公司 | A kind of needle gage control device of sewing machine |
-
2018
- 2018-11-14 CN CN201811350760.XA patent/CN109208188B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3954071A (en) * | 1973-12-10 | 1976-05-04 | Firma Pfaff Industriemaschinen Gmbh | Sewing machine having top and bottom feed synchronizing means |
| US4587915A (en) * | 1983-11-24 | 1986-05-13 | Pfaff Industriemaschinen Gmbh | Method and sewing machine for approaching a predetermined end point of a seam |
| US4612867A (en) * | 1983-12-21 | 1986-09-23 | Pfaff Industriemaschinen Gmbh | Method and apparatus for the pattern-correct sewing together of cloth parts |
| US4658741A (en) * | 1985-07-13 | 1987-04-21 | Pfaff Industriemaschinen Gmbh | Method and apparatus for determining the amount of advance of a plurality of material plies |
| CN204058890U (en) * | 2014-08-29 | 2014-12-31 | 西安标准工业股份有限公司 | A kind of Sewing machines utilizing driving stepper motor needle gage governor motion |
| CN204644610U (en) * | 2015-05-18 | 2015-09-16 | 浙江美机缝纫机有限公司 | Needle gage automatic adjusting mechanism |
| CN207313873U (en) * | 2017-09-26 | 2018-05-04 | 上海富山精密机械科技有限公司 | A kind of needle gage control device of sewing machine |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501225A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Thread trimming and presser foot lifting and needle sealing device of sewing machine and sewing machine |
| CN111501222A (en) * | 2019-01-31 | 2020-08-07 | 杰克缝纫机股份有限公司 | Thread trimming and stitch length adjusting device of sewing machine and sewing machine |
| CN111501225B (en) * | 2019-01-31 | 2022-01-04 | 浙江杰克智能缝制科技有限公司 | Thread trimming and presser foot lifting and needle sealing device of sewing machine and sewing machine |
| CN111501222B (en) * | 2019-01-31 | 2021-12-21 | 浙江杰克智能缝制科技有限公司 | Thread trimming and stitch length adjusting device of sewing machine and sewing machine |
| CN109706629A (en) * | 2019-02-22 | 2019-05-03 | 浙江美机缝纫机有限公司 | The sewing length adjustment device of sewing machine |
| CN109881376B (en) * | 2019-03-18 | 2021-04-27 | 拓卡奔马机电科技有限公司 | Needle pitch adjusting device and operating method thereof |
| CN109881376A (en) * | 2019-03-18 | 2019-06-14 | 拓卡奔马机电科技有限公司 | Sewing length adjustment device and its operational method |
| CN112048838A (en) * | 2019-06-05 | 2020-12-08 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN112048838B (en) * | 2019-06-05 | 2022-02-22 | 杰克科技股份有限公司 | Sewing machine |
| CN110130003A (en) * | 2019-06-27 | 2019-08-16 | 廊坊市东平汽车零配件有限公司 | A kind of application method of sewing machine and sewing machine |
| CN110485065A (en) * | 2019-09-10 | 2019-11-22 | 杰克缝纫机股份有限公司 | A kind of needle gage adjustment structure of sewing machine |
| CN112626722A (en) * | 2019-09-24 | 2021-04-09 | 启翔股份有限公司 | Differential feeding upper pulling machine |
| CN112626730B (en) * | 2019-09-24 | 2021-12-28 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN112626737A (en) * | 2019-09-24 | 2021-04-09 | 杰克缝纫机股份有限公司 | Transmission clutch mechanism and sewing machine |
| CN112626730A (en) * | 2019-09-24 | 2021-04-09 | 杰克缝纫机股份有限公司 | Sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109208188B (en) | 2021-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109208188A (en) | A kind of needle gage automatic adjusting mechanism and sewing machine | |
| CN105088547B (en) | Sewing machine feed lifting feeding mechanism and sewing machine | |
| CN105113152A (en) | Sewing machine | |
| CN105155142A (en) | Double-motor drive feed mechanism and sewing machine | |
| CN105177870A (en) | Tooth lifting mechanism of sewing machine | |
| CN108818286A (en) | A kind of polishing machine of angle adjustable | |
| CN105442195B (en) | Sewing machine | |
| CN204644610U (en) | Needle gage automatic adjusting mechanism | |
| CN107723932B (en) | A kind of flat seaming machine and its differential cloth feeding mechanism | |
| CN106835514A (en) | The cloth-dragging wheel and tooth of a kind of flat seam machine are adjusted in synchronism system | |
| CN205046312U (en) | Two motor drive feeding mechanism and sewing machine | |
| CN105155141A (en) | Double-motor drive feed mechanism and sewing machine | |
| CN206616340U (en) | The cloth-dragging wheel and tooth of a kind of flat seam machine are adjusted in synchronism system | |
| CN209722460U (en) | A kind of needle gage automatic adjusting mechanism and sewing machine | |
| JP2012179091A (en) | Feed arm type sewing machine | |
| JP2009247377A (en) | Sewing machine | |
| CN205011990U (en) | Sewing machine | |
| CN207525443U (en) | A kind of work feed regulating mechanism of sewing machine | |
| CN209276759U (en) | A kind of needle gage adjustment structure of sewing machine | |
| JP2002204898A (en) | Needle movement sewing machine | |
| CN105908397B (en) | The driving device and sewing machine of thread cutting mechanism of sewing machine | |
| CN200961191Y (en) | Sewing machine needle distance regulating mechanism | |
| US2579248A (en) | Sewing machine | |
| CN209636441U (en) | A kind of knob needle gage adjustment mechanism and feeding mechanism | |
| CN209428706U (en) | Sewing length adjustment device and sewing machine with it |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |