CN209722462U - A kind of needle gage regulating mechanism and sewing machine - Google Patents
A kind of needle gage regulating mechanism and sewing machine Download PDFInfo
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- CN209722462U CN209722462U CN201920198344.6U CN201920198344U CN209722462U CN 209722462 U CN209722462 U CN 209722462U CN 201920198344 U CN201920198344 U CN 201920198344U CN 209722462 U CN209722462 U CN 209722462U
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- feeding
- needle gage
- connecting rod
- swing seat
- crank
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Abstract
The utility model belongs to sewing device technical field, refers in particular to a kind of needle gage regulating mechanism and sewing machine；Including main shaft and feed spool, the main shaft is connect by feeding eccentric wheel with one end of feeding connecting rod, the other end of feeding connecting rod is rotatably connected on feeding link pin, feeding link pin swings panel seat with feeding by the short oscillating deck of feeding and connect, it is connect by the long oscillating deck of feeding with feeding connecting rod crank, feeding connecting rod crank is installed on feed spool, the feeding swings panel seat and is rotatably connected on bottom plate by the right pin of feeding swing seat, and feeding swing panel seat also passes through feeding swing seat shaft and connect with driving source, driving source drives feeding to swing panel seat and rotates around the axis of the right pin of feeding swing seat by feeding swing seat shaft, change the amplitude of fluctuation that main shaft drives feed spool is swung；The utility model enough realizes the automatic adjustment of needle gage, easy to operate, degree of regulation is high, improves sewing thread trace and quality.
Description
Technical field:
The utility model belongs to sewing device technical field, refers in particular to a kind of needle gage regulating mechanism and sewing machine.
Background technique:
Needle gage regulating mechanism is equipped in flat seam machine at present, regulative mode is mostly that hand is adjusted, such as Shen Qing Publication
A kind of flush joint needle pitch regulating mechanism disclosed in Chinese invention patent application number for 105734849 A of CN, it includes first shaking
Bar, one end of first rocking bar are equipped with the fixed rotation axis of axis, the other end of first rocking bar and backstitch the one of connecting rod
End, one end of connection structure are hinged, and the other end and needle gage adjusting block of the connection structure are hinged, and the needle gage adjusting block is in needle
It moves and fixes under control away from adjustment portion, one end of described one end and swing seat far from the first rocking bar for backstitching connecting rod is cut with scissors
It connects, the other end of the swing seat drives feed spool to be rotated about axis, and the middle part of the swing seat is equipped with the fixed rotation in position
Axis.For another example application publication number is a kind of needle gage adjusting of flat seam machine disclosed in the Chinese invention patent application of CN 109097914A
Mechanism, needle gage regulating mechanism include the needle space standard plate being arranged on casing, the feeding crank for driving the feed spool to swing and
The adjusting stud being connected with the needle space standard plate, the needle gage regulating mechanism further includes the first rocking bar and the second rocking bar, and first shakes
Hingedly on the housing, one end of first rocking bar, which is hinged with, backstitches connecting rod at the middle part of bar, first rocking bar it is another
End offers sliding slot, and one end of second rocking bar is installed with the slide bar being plugged in the sliding slot, second rocking bar it is another
One end is connected with the adjusting stud, and the end for backstitching connecting rod is connected by swing seat with the feeding crank.
There are following defects for above-mentioned needle gage regulating mechanism:
It manually adjusts, operation is more troublesome, and degree of regulation is low, and relatively passive, can not automatically adjust in sewing process
Needle gage.
Summary of the invention:
The purpose of the utility model is to provide it is a kind of can automatically adjust needle gage and the high needle gage regulating mechanism of degree of regulation and
Sewing machine.
The utility model is realized in this way:
One of purpose of the utility model is to provide a kind of needle gage regulating mechanism, including main shaft and feed spool, described
Main shaft is connect by feeding eccentric wheel with one end of feeding connecting rod, and the other end of feeding connecting rod is rotatably connected on feeding link pin
On, feeding link pin swings panel seat with feeding by the short oscillating deck of feeding and connect, by the long oscillating deck of feeding and feeding connecting rod song
Handle connection, feeding connecting rod crank are installed on feed spool, and the feeding swings panel seat and passes through the right pin rotation connection of feeding swing seat
On bottom plate, and feeding swing panel seat also passes through feeding swing seat shaft and connect with driving source, and driving source passes through feeding swing seat
Shaft drives feeding to swing panel seat and rotates around the axis of the right pin of feeding swing seat, changes the amplitude of fluctuation that main shaft drives feed spool is swung
Degree.
In a kind of above-mentioned needle gage regulating mechanism, it is provided with the first needle gage on the output shaft of the driving source and adjusts song
Handle, one end that the first needle gage adjusts crank is installed on the output shaft of driving source, the other end passes through needle gage connecting rod and the second needle gage
One end connection of crank is adjusted, the other end for adjusting crank with the second needle gage is fixedly connected with feeding swing seat shaft, initial shape
When state, the second needle gage adjusts crank and is horizontally disposed with, needle gage zero.
In a kind of above-mentioned needle gage regulating mechanism, the both ends that second needle gage adjusts crank are respectively arranged with through-hole,
Through-hole one is for wearing feeding swing seat shaft, and through-hole two is used to wear connection needle gage connecting rod and the second needle gage adjusts the one of crank
The screw at end, it is horizontally disposed that the line at the center of two through hole is in horizontally disposed then the second needle gage adjusting crank.
In a kind of above-mentioned needle gage regulating mechanism, the outer end of the right pin of feeding swing seat is provided with flat recess or cross
Slot.
In a kind of above-mentioned needle gage regulating mechanism, the driving source is arranged in mounting bracket, and mounting bracket is fixed on
On bottom plate.
In a kind of above-mentioned needle gage regulating mechanism, the right pin of the feeding swing seat, feeding swing seat shaft are located at
Feeding is swung on the left and right arms of panel seat, and the axis collinear of the right pin of feeding swing seat, feeding swing seat shaft.
In a kind of above-mentioned needle gage regulating mechanism, the driving source is stepper motor.
Another purpose of the utility model is to provide a kind of sewing machine, including above-mentioned needle gage regulating mechanism.
The advantage that the utility model protrudes compared with prior art is:
The utility model enough realizes the automatic adjustment of needle gage, easy to operate, degree of regulation is high, improves sewing thread trace and product
Matter.
Detailed description of the invention:
Fig. 1 is one of stereoscopic schematic diagram of the utility model；
Fig. 2 is the two of the stereoscopic schematic diagram of the utility model；
Fig. 3 is the right view of the utility model；
Fig. 4 is that the feeding of the utility model swings the schematic diagram of panel seat；
Fig. 5 is the schematic diagram of the needle gage connecting rod of the utility model.
In figure: 1, main shaft；2, feed spool；3, feeding eccentric wheel；4, feeding connecting rod；5, feeding link pin；6, the short pendulum of feeding
Movable plate；7, feeding swing seat；8, the long oscillating deck of feeding；9, feeding connecting rod crank；10, the right pin of feeding swing seat；11, feeding is swung
Seat shaft；12, driving source；13, the first lift tooth transmission component；14, feed lifting rock shaft；15, the second lift tooth transmission component；16, retainer；
17, feeding tooth；18, retainer seat；19, tooth connecting rod is lifted；20, tooth connecting rod crank is lifted；21, feed lifting fork crank；22, the first needle gage is adjusted
Crank；23, needle gage connecting rod；24, the second needle gage adjusts crank；25, through-hole one；26, through-hole two；27, mounting bracket.
Specific embodiment:
The utility model is further described with specific embodiment below, referring to Fig. 1-5:
A kind of needle gage regulating mechanism, including main shaft 1 and feed spool 2, the main shaft 1 are connected by feeding eccentric wheel 3 and feeding
One end of bar 4 connects, and the other end of feeding connecting rod 4 is rotatably connected on feeding link pin 5, and feeding link pin 5 is short by feeding
Oscillating deck 6 connect with feeding swing panel seat 7, is connect by the long oscillating deck 8 of feeding with feeding connecting rod crank 9, feeding connecting rod crank
9 are installed on feed spool 2, and the feeding swings panel seat 7 and is rotatably connected on bottom plate by the right pin 10 of feeding swing seat, and feeding
It swings panel seat 7 also to connect by feeding swing seat shaft 11 with driving source 12, driving source 12 is driven by feeding swing seat shaft 11
Dynamic feeding swings panel seat 7 and rotates around the axis of the right pin 10 of feeding swing seat, changes the amplitude of fluctuation that main shaft 1 drives feed spool 2 to swing
Degree realizes the adjusting of needle gage.Driving source 12 described in the utility model is preferably stepper motor, can also be replaced by grating electromechanical etc., institute
Electricly connecting for driving source 12 and sewing machine is stated, by the output of automatically controlled control driving source 12.The utility model passes through control needle gage
The size for adjusting the output automatic adjustment needle gage of driving source 12, realizes the automatic adjustment of needle gage, can also adjust in sewing process
Markingoff pin away from, it is easy to operate, thus improve stitching aesthetics and sewing quality.
Further, in order to facilitate dismounting and manual adjustment, when such as debugging process or maintenance.The feeding of the utility model is put
The outer end of the dynamic right pin 10 of seat is provided with flat recess or cross recess.
The right pin 10 of feeding swing seat described in the utility model, feeding swing seat shaft 11 are located at feeding and swing panel seat 7
Left and right arms on, and the axis collinear of the right pin 10 of feeding swing seat, feeding swing seat shaft 11.
When sewing machine is sewed, spindle motor driving spindle 1 is rotated, and main shaft 1 passes through the first lift driving lift of tooth transmission component 13
Tooth axis 14 drives retainer 16 and about 17 feeding tooth by the second lift tooth transmission component 15 around its own axis oscillating, feed lifting rock shaft 14
It moves back and forth；Meanwhile main shaft 1 passes through feeding eccentric wheel 3, feeding connecting rod 4, feeding link pin 5, the short oscillating deck 6 of feeding, feeding
Swinging panel seat 7, the long oscillating deck 8 of feeding, feeding connecting rod crank 9 drives feed spool 2 around its own axis oscillating, and feed spool 2 passes through
Retainer seat 18 drives retainer 16 and 17 front-rear reciprocation movement of feeding tooth.Therefore, feeding tooth 17 pumps past with front and back
The compound motion moved again, similar motion profile is ellipticity, and sewing is transferred in realization in the longitudinal direction.
Wherein the first lift tooth transmission component 13 includes that one end is set in the lift tooth connecting rod 19 on feeding eccentric wheel 3, and lift tooth connects
The other end of bar 19 is connect with lift tooth connecting rod crank 20, and lift tooth connecting rod crank 20 is installed on feed lifting rock shaft 14.
Second lift tooth transmission component 15 includes the feed lifting fork crank 21 being installed on feed lifting rock shaft 14, the fork of feed lifting fork crank 21
Sliding is provided with sliding shoe in shape portion, and sliding shoe is connect with one end of retainer 16, and the other end of retainer 16 is hinged by retainer pin
On retainer seat 18.
Further, it is provided with the first needle gage on the output shaft of the driving source 12 and adjusts crank 22, the first needle gage is adjusted
One end of crank 22 is installed on the output shaft of driving source 12, the other end passes through needle gage connecting rod 23 and the second needle gage adjusting crank
24 one end connection, the other end for adjusting crank 24 with the second needle gage are fixedly connected with feeding swing seat shaft 11, original state
When, the second needle gage adjusts crank 24 and is horizontally disposed with, needle gage zero.
When output shaft rotates clockwise, for along gap-like state, metering needle away from when by driving source 12 adjust the second needle gage adjust it is bent
The angle of handle 24.When output shaft rotates counterclockwise, to backstitch state.
Further, the both ends that second needle gage adjusts crank 24 are respectively arranged with through-hole, and through-hole 1 is for wearing
Feeding swing seat shaft 11, through-hole 2 26 are used to wear the spiral shell of one end of connection needle gage connecting rod 23 and the second needle gage adjusting crank 24
Nail, it is horizontally disposed that the line at the center of two through hole is in horizontally disposed then the second needle gage adjusting crank 24.
In order to facilitate the installation of, the driving source 12 is arranged in mounting bracket 27, and mounting bracket 27 is fixed on bottom plate.
Another purpose of the utility model is to provide a kind of sewing machine, including above-mentioned needle gage regulating mechanism.
The term of such as "upper", "lower", "left", "right", " centre " and " one " cited in the present embodiment, is also only just
It is illustrated in narration, rather than to limit the scope of the invention, relativeness is altered or modified, without substantive change
Under technology contents, when being also considered as the enforceable scope of the utility model.
Above-described embodiment is only one of preferred embodiment of the utility model, and the implementation of the utility model is not limited with this
Range, therefore: the equivalence changes that all shape, structure, principles according to the utility model are done should all be covered by the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of needle gage regulating mechanism, including main shaft (1) and feed spool (2), it is characterised in that: the main shaft (1) passes through feeding
Eccentric wheel (3) is connect with one end of feeding connecting rod (4), and the other end of feeding connecting rod (4) is rotatably connected on feeding link pin (5)
On, feeding link pin (5) swings panel seat (7) with feeding by the short oscillating deck of feeding (6) and connect, by the long oscillating deck of feeding (8)
It is connect with feeding connecting rod crank (9), feeding connecting rod crank (9) is installed on feed spool (2), and it is logical that the feeding swings panel seat (7)
It crosses the right pin of feeding swing seat (10) to be rotatably connected on bottom plate, and feeding swings panel seat (7) and also passes through feeding swing seat shaft
(11) it is connect with driving source (12), driving source (12) drives feeding to swing panel seat (7) around sending by feeding swing seat shaft (11)
The axis rotation for expecting the right pin of swing seat (10), changes the amplitude of fluctuation that main shaft (1) driving feed spool (2) is swung.
2. a kind of needle gage regulating mechanism according to claim 1, it is characterised in that: on the output shaft of the driving source (12)
It is provided with the first needle gage and adjusts crank (22), one end that the first needle gage adjusts crank (22) is installed in the output shaft of driving source (12)
The upper, other end is connect by needle gage connecting rod (23) with one end that the second needle gage adjusts crank (24), adjusts crank with the second needle gage
(24) the other end is fixedly connected with feeding swing seat shaft (11), and when original state, it is horizontal that the second needle gage adjusts crank (24)
Setting, needle gage zero.
3. a kind of needle gage regulating mechanism according to claim 2, it is characterised in that: second needle gage adjusts crank (24)
Both ends be respectively arranged with through-hole, through-hole one (25) is for wearing feeding swing seat shaft (11), and through-hole two (26) is for wearing
The screw of one end of needle gage connecting rod (23) and the second needle gage adjusting crank (24) is connected, the line at the center of two through hole is in level
Then the second needle gage adjusting crank (24) is horizontally disposed for setting.
4. a kind of needle gage regulating mechanism according to claim 1, it is characterised in that: the right pin of feeding swing seat (10)
Outer end is provided with flat recess or cross recess.
5. a kind of needle gage regulating mechanism according to claim 1, it is characterised in that: driving source (12) setting is being pacified
It fills on bracket (27), mounting bracket (27) is fixed on bottom plate.
6. a kind of needle gage regulating mechanism according to claim 1, it is characterised in that: the right pin of feeding swing seat (10),
Feeding swing seat shaft (11) is located at feeding and swings on the left and right arms of panel seat (7), and the right pin of feeding swing seat (10), feeding
The axis collinear of swing seat shaft (11).
7. a kind of needle gage regulating mechanism according to claim 1-6, it is characterised in that: the driving source (12) is
Stepper motor.
8. a kind of sewing machine, it is characterised in that: including the described in any item needle gage regulating mechanisms of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198344.6U CN209722462U (en) | 2019-02-14 | 2019-02-14 | A kind of needle gage regulating mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198344.6U CN209722462U (en) | 2019-02-14 | 2019-02-14 | A kind of needle gage regulating mechanism and sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN209722462U true CN209722462U (en) | 2019-12-03 |
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ID=68683103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920198344.6U Active CN209722462U (en) | 2019-02-14 | 2019-02-14 | A kind of needle gage regulating mechanism and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209722462U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952227A (en) * | 2019-12-17 | 2020-04-03 | 杰克缝纫机股份有限公司 | Stitch length detection method and device, and memory sewing control method and control system |
| CN110983642A (en) * | 2019-12-16 | 2020-04-10 | 杰克缝纫机股份有限公司 | Feed dog lower supply mechanism and sewing machine |
| CN111197202A (en) * | 2020-03-19 | 2020-05-26 | 杰克缝纫机股份有限公司 | Feed lifting shaft assembly and sewing machine with same |
| CN113026223A (en) * | 2019-12-25 | 2021-06-25 | 杰克缝纫机股份有限公司 | Feeding mechanism of sewing machine and sewing machine with feeding mechanism |
-
2019
- 2019-02-14 CN CN201920198344.6U patent/CN209722462U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110983642A (en) * | 2019-12-16 | 2020-04-10 | 杰克缝纫机股份有限公司 | Feed dog lower supply mechanism and sewing machine |
| CN110952227A (en) * | 2019-12-17 | 2020-04-03 | 杰克缝纫机股份有限公司 | Stitch length detection method and device, and memory sewing control method and control system |
| CN113026223A (en) * | 2019-12-25 | 2021-06-25 | 杰克缝纫机股份有限公司 | Feeding mechanism of sewing machine and sewing machine with feeding mechanism |
| CN111197202A (en) * | 2020-03-19 | 2020-05-26 | 杰克缝纫机股份有限公司 | Feed lifting shaft assembly and sewing machine with same |
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