CN209722460U - 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
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- CN209722460U CN209722460U CN201920198194.9U CN201920198194U CN209722460U CN 209722460 U CN209722460 U CN 209722460U CN 201920198194 U CN201920198194 U CN 201920198194U CN 209722460 U CN209722460 U CN 209722460U
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- feeding
- needle gage
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Abstract
The utility model belongs to sewing device technical field, refers in particular to a kind of needle gage automatic adjusting mechanism and sewing machine；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, it is left by feeding swing seat that feeding swings panel seat, right pin is rotatably connected on bottom plate, feeding swing panel seat also passes through intermediate transmission mechanism and connect with driving source, driving source drives feeding to swing panel seat around the left pin of feeding swing seat by intermediate transmission mechanism, the axis of the right pin of feeding swing seat rotates, 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 automatic adjusting 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 CN 105734849A, 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.
Above-mentioned needle gage regulating mechanism, which is all made of, to be manually adjusted, and there are following defects:
Manual adjusting operation is more troublesome, and degree of regulation is low, and relatively passive, and needle can not be automatically adjusted in sewing process
Away from.
Summary of the invention:
Needle gage and the high sewing machine and needle gage tune of degree of regulation can be automatically adjusted the purpose of the utility model is to provide a kind of
Save mechanism.
The utility model is realized in this way:
One of purpose of the utility model is to provide a kind of needle gage automatic adjusting mechanism, including main shaft and feed spool,
The 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 connecting rod
On pin, 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
Crank connection, feeding connecting rod crank are installed on feed spool, and the feeding swings panel seat and put by the left pin of feeding swing seat, feeding
The dynamic right pin of seat is rotatably connected on bottom plate, and the feeding swing panel seat also passes through intermediate transmission mechanism and connect with driving source, described
Intermediate transmission mechanism includes the link pin for being installed in feeding and swinging separate feeding connecting rod crank one end on panel seat, link pin and needle gage
One end connection of connecting rod is adjusted, needle gage adjusts the other end of connecting rod and needle gage adjusts crank and connect, and the needle gage adjusts crank
It is installed on the output shaft of driving source, driving source drives feeding to swing panel seat around a feeding swing seat left side by intermediate transmission mechanism
The axis rotation of pin, the right pin of feeding swing seat, changes the amplitude of fluctuation that main shaft drives feed spool is swung.
In a kind of above-mentioned needle gage automatic adjusting mechanism, the driving source is installed on head by mounting bracket.
In a kind of above-mentioned needle gage automatic adjusting mechanism, when original state, needle gage adjusts that crank is horizontally disposed, and needle gage is
Zero.
In a kind of above-mentioned needle gage automatic adjusting mechanism, the needle gage adjusts the other end of connecting rod and needle gage adjusts crank
By eccentric pin connection, the cam pin includes main body, is respectively arranged in the both ends of the surface of main body and is spirally connected with needle gage adjusting crank
Screw rod and the polished rod that connect of the other end of connecting rod is adjusted with needle gage, polished rod and screw rod eccentric setting, polished rod and main body axis are total to
Line, eccentricity are 0.9 ± 0.05mm.
In a kind of above-mentioned needle gage automatic adjusting mechanism, the cross section of the main body is hexagonal.
In a kind of above-mentioned needle gage automatic adjusting mechanism, restricted needle gage is set on the polished rod and adjusts connecting rod axial direction position
The circlip of shifting.
In a kind of above-mentioned needle gage automatic adjusting mechanism, the right pin difference of the left pin of the feeding swing seat, feeding swing seat
The middle part of the left and right arms of panel seat is swung positioned at feeding.
In a kind of above-mentioned needle gage automatic adjusting 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 automatic adjusting 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 the stereoscopic schematic diagram of the utility model；
Fig. 2 is the partial enlargement diagram of the utility model；
Fig. 3 is the left 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 cam pin 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 swings panel seat；8, the long oscillating deck of feeding；9, feeding connecting rod crank；10, the left pin of feeding swing seat；11, feeding is put
The dynamic right pin of seat；12, driving source；13, link pin；14, needle gage adjusts connecting rod；15, needle gage adjusts crank；16, the first lift tooth transmission
Component；17, feed lifting rock shaft；18, the second lift tooth transmission component；19, retainer；20, feeding tooth；21, retainer seat；22, tooth connecting rod is lifted；
23, tooth connecting rod crank is lifted；24, feed lifting fork crank；25, cam pin；26, main body；27, screw rod；28, polished rod.
Specific embodiment:
The utility model is further described with specific embodiment below, referring to Fig. 1-5:
A kind of needle gage automatic adjusting mechanism, including main shaft 1 and feed spool 2, the main shaft 1 pass through feeding eccentric wheel 3 and send
Expect one end connection of connecting rod 4, the other end of feeding connecting rod 4 is rotatably connected on feeding link pin 5, and feeding link pin 5 is by sending
Expect that short oscillating deck 6 connect with feeding swing panel seat 7, connect by the long oscillating deck 8 of feeding with feeding connecting rod crank 9, feeding connecting rod
Crank 9 is installed on feed spool 2, and the feeding swings panel seat 7 and passes through the left pin 10 of feeding swing seat, 11 turns of the right pin of feeding swing seat
Dynamic to be connected on bottom plate, the feeding swings panel seat 7 and is also connect by intermediate transmission mechanism with driving source 12, the intermediate transmission
Mechanism includes the link pin 13 for being installed in feeding and swinging separate 9 one end of feeding connecting rod crank on panel seat 7, and link pin 13 and feeding are put
The dynamic left pin 10 of seat, the right pin 11 of feeding swing seat are arranged in parallel, and link pin 13 is connect with one end that needle gage adjusts connecting rod 14, needle gage
It adjusts the other end of connecting rod 14 and needle gage adjusts crank 15 and connect, and the needle gage adjusts crank 15 and is installed in the defeated of driving source 12
On shaft, driving source 12 drives feeding to swing panel seat 7 around the left pin 10 of feeding swing seat, feeding swing seat by intermediate transmission mechanism
The axis of right pin 11 rotates, and changes the adjusting that the amplitude of fluctuation that main shaft 1 drives feed spool 2 to swing realizes needle gage.The utility model
The driving source 12 is preferably stepper motor, can also be replaced by grating electromechanical etc., the automatically controlled company of the driving source 12 and sewing machine
It connects, by the output of automatically controlled control driving source 12.The utility model adjusts the output automatic adjustment of driving source 12 by control needle gage
The size of needle gage realizes the automatic adjustment of needle gage, the also adjustable needle gage in sewing process, easy to operate, to improve line
Mark aesthetics and sewing quality.
The left pin 10 of feeding swing seat described in the utility model, the right pin 11 of feeding swing seat are located at feeding and swing panel seat 7
Left and right arms middle part, and the axis collinear of the right pin 10 of feeding swing seat, feeding swing seat shaft 11.The right pin of feeding swing seat
10, the outer end of feeding swing seat shaft 11 is provided with flat recess or cross recess, on the one hand facilitates the right pin 10 of feeding swing seat, feeding
Swing seat shaft 11 and feeding swing the dismounting of panel seat 7, on the other hand also facilitate in debugging or maintenance process to home position
Adjusting.
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 16
Tooth axis 17 drives retainer 19 and about 20 feeding tooth by the second lift tooth transmission component 18 around its own axis oscillating, feed lifting rock shaft 17
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 21 drives retainer 19 and 20 front-rear reciprocation movement of feeding tooth.Therefore, feeding tooth 20 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 16 includes that one end is set in the lift tooth connecting rod 22 on feeding eccentric wheel 3, lifts tooth
The other end of connecting rod 22 is connect with lift tooth connecting rod crank 23, and lift tooth connecting rod crank 23 is installed on feed lifting rock shaft 17.
Second lift tooth transmission component 18 includes the feed lifting fork crank 24 being installed on feed lifting rock shaft 17, the fork of feed lifting fork crank 24
Sliding is provided with sliding shoe in shape portion, and sliding shoe is connect with one end of retainer 19, and the other end of retainer 19 is hinged by retainer pin
On retainer seat 21.
Further, the driving source 12 is installed on head, and necessity is to need driving source 12 being fixed on mounting bracket
On, mounting bracket is fixed on head.
Further, when original state, needle gage adjusts crank 15 and is horizontally disposed with, needle gage zero.I.e. needle gage adjusts crank 15
Upper plane be arranged in parallel with lower plane, and needle gage adjusts the upper plane of crank 15 and the upper plane of bottom plate is arranged in parallel.
When output shaft rotates clockwise, for along gap-like state, metering needle is away from when by 12 metering needle of driving source away from adjusting crank 15
Angle.When output shaft rotates counterclockwise, to backstitch state, equally realized also by metering needle away from the angle for adjusting crank 15
Adjusting to needle gage.
Further, the needle gage adjusts the other end of connecting rod 14 and needle gage adjusts crank 15 and connect by cam pin 25,
The cam pin 25 includes main body 26, is respectively arranged in the both ends of the surface of main body 26 and adjusts the screw rod 27 that crank 15 is spirally connected with needle gage
And the polished rod 28 that connect of the other end of connecting rod 14, polished rod 28 and 27 eccentric setting of screw rod are adjusted with needle gage, eccentricity for 0.9 ±
0.05mm。
In order to facilitate dismounting, the cross section of the main body 26 is hexagonal.When dismounting, tightened and pine by die nut
It opens.Needle gage adjusts connecting rod 14 and moves axially along polished rod 28 in order to prevent, and limit circlip is provided on the polished rod 28 to needle gage
Connecting rod 14 is adjusted to be limited.
Another purpose of the utility model is to provide a kind of sewing machine, including above-mentioned needle gage automatic adjusting mechanism.
The present embodiment all directions are defined as follows: on the basis of Fig. 1, the direction where power source 12 is right direction, with this
Based on, the axial direction of feed spool 2 is left and right directions.It is cited such as "upper", "lower", "left", "right", " centre " in the present embodiment
And the term of " one " etc., it is merely convenient to narration and is illustrated, rather than to limit the scope of the invention, relativeness
It is altered or modified, under the content of no substantial changes in technology, 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 (9)
1. a kind of needle gage automatic adjusting 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 the feeding swings panel seat (7)
It is rotatably connected on bottom plate by the left pin of feeding swing seat (10), the right pin of feeding swing seat (11), the feeding swings panel seat (7)
It is also connect by intermediate transmission mechanism with driving source (12), the intermediate transmission mechanism includes being installed in feeding to swing panel seat (7)
The upper link pin (13) far from feeding connecting rod crank (9) one end, link pin (13) are connect with one end that needle gage adjusts connecting rod (14),
Needle gage adjusts the other end of connecting rod (14) and needle gage adjusts crank (15) and connect, and the needle gage adjusts crank (15) and is installed in drive
On the output shaft of dynamic source (12), driving source (12) drives feeding to swing panel seat (7) around feeding swing seat by intermediate transmission mechanism
The axis rotation of left pin (10), the right pin of feeding swing seat (11), changes the amplitude of fluctuation that main shaft (1) driving feed spool (2) is swung.
2. a kind of needle gage automatic adjusting mechanism according to claim 1, it is characterised in that: the driving source (12) is installed in
On head.
3. a kind of needle gage automatic adjusting mechanism according to claim 1, it is characterised in that: when original state, needle gage is adjusted
Crank (15) is horizontally disposed, needle gage zero.
4. a kind of needle gage automatic adjusting mechanism according to claim 1, it is characterised in that: the needle gage adjusts connecting rod (14)
The other end and needle gage adjust crank (15) and connect by cam pin (25), the cam pin (25) includes main body (26), in master
The both ends of the surface of body (26) are respectively arranged with the screw rod (27) being spirally connected with needle gage adjusting crank (15) and adjust connecting rod (14) with needle gage
Other end connection polished rod (28), polished rod (28) and screw rod (27) eccentric setting, polished rod (28) and main body (26) axis collinear,
Eccentricity is 0.9 ± 0.05mm.
5. a kind of needle gage automatic adjusting mechanism according to claim 4, it is characterised in that: the cross section of the main body (26)
It is hexagonal.
6. a kind of needle gage automatic adjusting mechanism according to claim 4, it is characterised in that: be provided on the polished rod (28)
Limit the circlip that needle gage adjusts connecting rod (14) axial displacement.
7. a kind of needle gage automatic adjusting mechanism according to claim 1, it is characterised in that: the left pin of feeding swing seat
(10), the right pin of feeding swing seat (11) is located at the middle part that feeding swings the left and right arms of panel seat (7).
8. a kind of needle gage automatic adjusting mechanism according to claim 1-7, it is characterised in that: the driving source
It (12) is stepper motor.
9. a kind of sewing machine, it is characterised in that: including the described in any item needle gage automatic adjusting mechanisms of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198194.9U CN209722460U (en) | 2019-02-14 | 2019-02-14 | A kind of needle gage automatic adjusting mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920198194.9U CN209722460U (en) | 2019-02-14 | 2019-02-14 | A kind of needle gage automatic adjusting mechanism and sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN209722460U true CN209722460U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920198194.9U Active CN209722460U (en) | 2019-02-14 | 2019-02-14 | A kind of needle gage automatic adjusting mechanism and sewing machine |
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| Country | Link |
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| CN (1) | CN209722460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981736A (en) * | 2019-12-17 | 2021-06-18 | 杰克缝纫机股份有限公司 | Sewing machine |
-
2019
- 2019-02-14 CN CN201920198194.9U patent/CN209722460U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112981736A (en) * | 2019-12-17 | 2021-06-18 | 杰克缝纫机股份有限公司 | Sewing machine |
| CN112981736B (en) * | 2019-12-17 | 2022-06-17 | 杰克科技股份有限公司 | Sewing machine |
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