CN206521587U - A kind of upper feed mechanism of sewing machine - Google Patents
A kind of upper feed mechanism of sewing machine Download PDFInfo
- Publication number
- CN206521587U CN206521587U CN201720187700.5U CN201720187700U CN206521587U CN 206521587 U CN206521587 U CN 206521587U CN 201720187700 U CN201720187700 U CN 201720187700U CN 206521587 U CN206521587 U CN 206521587U
- Authority
- CN
- China
- Prior art keywords
- regulation
- crank
- needle gage
- feed mechanism
- motor
- 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.)
- Active
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model provides a kind of upper feed mechanism of sewing machine, belongs to sewing machine technique field.It solves the upper needle gage regulation low problem of the big efficiency of error in existing upper feed mechanism.The upper feed mechanism of this sewing machine, including upper feeding adjusting part, upper feeding adjusting part includes the adjustment axis being located on casing, needle gage regulation tooth is fixedly connected with adjustment axis poor, also it is fixedly connected with adjustment axis on needle gage crank, upper needle gage crank and is hinged with regulation connecting rod, upper feeding adjusting part also includes the regulation motor being fixed on casing, regulation crank, regulation crank and regulation rod hinge connection are fixedly connected with the rotating shaft of regulation motor.Feed mechanism has the advantages that upper needle gage regulation quick and precisely in sheet.
Description
Technical field
The utility model belongs to sewing machine technique field, is related to a kind of upper feed mechanism of sewing machine.
Background technology
Sewing machine is exactly the machine for being sutured sewing by suture, and distance between needle point tracers are also known as needle gage, refers to adjacent two pin of sewing
The distance of mark.When sewing double-layer cloth, generally need the needle gage of upper strata cloth identical with the needle gage of lower layer mix feeding, still
Under special circumstances, such as when upper strata cloth needs to crumple, then require that the needle gage of upper strata cloth is different from the needle gage of lower layer mix feeding.
Chinese patent literature data discloses the synchronization up and down for proposing a kind of sewing machine and differential feed mechanism [application number：
201610910816.7；Publication number：106319773A], sewing machine includes upper axle, upper feed spool and lower feed spool, and upper axle passes through
Toggle is connected with lower feed spool.Synchronization and differential feed mechanism include swinging panel seat, lower adjustment axis, needle gage rotation up and down
Button, upper adjustment axis, poor needle gage regulation tooth, transmission axle, kinematic link and upper feeding connecting rod, swing panel seat and are axially positioned on lower feeding
At axle, swing panel seat and be connected with toggle, the inner of lower adjustment axis is fixedly connected with swinging panel seat, stitch length knob and up-regulation
Nodal axisn is connected and stitch length knob can drive adjustment axis to rotate, and needle gage regulation tooth difference is connected in adjustment axis, needle gage regulation tooth
The bottom axially position of difference has sliding shoe, and transmission axle is axially positioned between feed spool and lower feed spool, and the two of kinematic link
End is connected with transmission axle and lower feed spool respectively, connection strap is fixed with transmission axle, the side of connection strap has deep-slotted chip breaker, slides
Block is partly embedded in deep-slotted chip breaker, and one end of upper feeding connecting rod is fixedly connected with sliding shoe, and the other end is connected with upper feed spool.Wherein
Upper feeding transmission component includes upper feed spool, transmission axle, kinematic link, upper feeding connecting rod, connection strap and sliding shoe.The sewing machine
The synchronous adjustment up and down of needle gage can be realized, the differential regulation up and down of needle gage can be realized again.
Above and below above-mentioned sewing machine progress during differential regulation, rotated by rotating adjustment axis in stitch length knob, drive, so that band
Dynamic needle gage regulation tooth difference is swung, and sliding shoe itself turns while the swing of needle gage regulation tooth difference drives sliding shoe arcuately groove is moved
It is dynamic, so that upper feeding connecting rod swing, finally rotates feed spool, so as to change the upper feeding tooth being connected on feed spool
Stroke, needle gage in change, and this at present feed spool will not rotate, that is, descend the position of needle gage constant, realize feed mechanism pin
Away from up and down differential regulation.
Above-mentioned feed mechanism is realized in regulation during needle gage by manual rotation stitch length knob, but rotation manually
The mode for turning stitch length knob generally requires shutdown operation, while the graduation mark on stitch length knob can only often represent a numerical value,
It is a number range between graduation mark and graduation mark, so causes regulation error big, and in order to adjust suitable pin
Away from generally requiring to spend more time, regulation efficiency is low.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of upper feeding of sewing machine
Mechanism, the technical problem of solution is how to make needle gage regulation quick and precisely.
The purpose of this utility model can be realized by following technical proposal：
A kind of upper feed mechanism of sewing machine, including upper feeding adjusting part, the upper feeding adjusting part include wearing
Needle gage regulation tooth is fixedly connected with adjustment axis on casing, the adjustment axis poor, it is characterised in that in the adjustment axis also
It is fixedly connected with needle gage crank, the upper needle gage crank and is hinged with regulation connecting rod, the upper feeding adjusting part also includes
Be fixed in the regulation motor on casing, the rotating shaft of the regulation motor and be fixedly connected with regulation crank, the regulation crank with
Adjust rod hinge connection.
Tooth is poor is connected with upper feeding transmission component for needle gage regulation, and upper feeding transmission component is connected and driven with upper feeding tooth
Feeding tooth is moved.In regulation during needle gage, the certain angle of the axis of rotation of regulation motor, the rotating shaft of regulation motor drives regulation bent
Handle is swung, regulation crank handle turns regulation link motion, makes needle gage crank-swinging, so that adjustment axis rotates corresponding angle,
Needle gage regulation tooth differentially-wound in adjustment axis adjustment axis swing, the upper feeding transmission component movement of now needle gage regulation tooth difference driving,
So as to change the size of needle gage in the stroke of upper feeding tooth, regulation.
Regulation motor can quickly and accurately turn to the angle of setting, so that realize that needle gage is quickly accurately adjusted,
Regulation process is simple.And needle gage regulation parameter need to be only write in sewing process, it can be realized as in sewing process
Needle gage is automatically adjusted, it is not necessary to shutdown operation, makes regulation polyvinyl chloride.By setting regulation motor and corresponding driving section
Part, can realize that needle gage is fast and accurately adjusted.
In the upper feed mechanism of above-mentioned sewing machine, the casing includes upper shell and lower shoe, and the upper shell is located at
It is provided with recessed mounting groove on the top of lower shoe, the right side of the lower shoe, the bottom surface of the mounting groove is provided with logical
Hole, the left end of the motor casing of the regulation motor is fixed in mounting groove, and the rotating shaft of the regulation motor is located in through hole.
Regulation motor is fixed on to the rotating shaft that regulation motor can be reduced in mounting groove and the connecting length of regulation crank, from
And run regulation motor it is more stable, be so conducive to upper needle gage quickly and accurately to adjust.
In the upper feed mechanism of above-mentioned sewing machine, axle sleeve, the rotating shaft of the regulation motor are installed in the through hole
It is fixedly connected after through axle sleeve with regulation crank.The setting of axle sleeve can make regulation motor run more stable, be conducive to upper pin
Away from quickly and accurately adjusting.
In the upper feed mechanism of above-mentioned sewing machine, the through hole interior sealing is fixed with oil sealing, and the oil sealing is located at axle
Between set and the motor casing of regulation motor, the rotating shaft of the regulation motor passes through oil sealing.The setting of oil sealing can prevent lower shoe
Interior lubricating oil is leaked out from through hole.
In the upper feed mechanism of above-mentioned sewing machine, the mounting hole being provided through on the upper shell, the regulation
Axle is plugged in mounting hole, and the mounting hole interior sealing is fixed with rubber stopper.The setting of rubber stopper can be prevented in upper shell
Lubricating oil is leaked out from mounting hole.
Compared with prior art, the utility model has advantages below：
Set regulation motor, regulation crank, regulation connecting rod and upper needle gage crank to adjust upper needle gage, make the regulation of needle gage
It is accurate quick.Regulation motor is fixed in mounting groove, and axle sleeve is set in the rotating shaft of regulation motor so that regulation electricity
Machine it is stable, be conducive to upper needle gage quickly and accurately to adjust.Oil sealing is set in through hole, rubber is set in mounting hole
Plug, can prevent the lubricating oil in casing from being leaked out from through hole and mounting hole.
Brief description of the drawings
Fig. 1 is the stereogram one of feed mechanism on this；
Fig. 2 is the stereogram two of feed mechanism on this；
Fig. 3 is the installation sectional view of feed mechanism on this；
Fig. 4 is the installation site figure of regulation motor and casing in feed mechanism on this.
In figure, 1, casing；1a, upper shell；1a1, mounting hole；1b, lower shoe；1b1, mounting groove；1b2, through hole；2nd, sent on
Expect adjusting part；2a, adjustment axis；2b, needle gage regulation tooth are poor；2b1, prong；2c, upper needle gage crank；2d, regulation connecting rod；2e, tune
Save motor；2f, regulation crank；3rd, upper feeding transmission component；3a, upper feed spool；3b, swing connecting bar；3c, upper feeding connecting rod；3d、
Slide slotware；3d1, deep-slotted chip breaker；3e, power transmission shaft；3f, upper feeding crank；3g, drive link；3h, bearing pin；3i, sliding block；3j, cunning
Motion block；Crank in 3k, cloth pushing shaft；4th, lower feed spool；5th, axle sleeve；6th, oil sealing；7th, rubber stopper.
Embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
Embodiment one
As Figure 1-Figure 4, sewing machine includes casing 1, and casing 1 includes upper shell 1a and lower shoe 1b, upper shell 1a
In being provided with feed mechanism in lower shoe 1b top, the casing 1 of sewing machine.A kind of upper feed mechanism of sewing machine, including
Upper feeding transmission component 3 and upper feeding adjusting part 2, upper feeding transmission component 3 are connected with upper feeding adjusting part 2.
Upper feeding adjusting part 2 includes the adjustment axis 2a being located in upper shell 1a and the regulation being fixed on lower shoe 1b
Motor 2e.The mounting hole 1a1 being provided through on upper shell 1a, adjustment axis 2a are plugged in mounting hole 1a1, in mounting hole 1a1
Sealing is fixed with rubber stopper 7.Recessed mounting groove 1b1 is provided with lower shoe 1b right side, mounting groove 1b1 bottom surface is set
There is through hole 1b2, the left end of regulation motor 2e motor casing is fixed in mounting groove 1b1, regulation motor 2e rotating shaft is located in logical
In the 1b2 of hole.Axle sleeve 5 is installed in through hole 1b2, and through hole 1b2 interior sealings are fixed with oil sealing 6, oil sealing 6 is located at axle sleeve 5 and regulation
Between motor 2e motor casing.Needle gage regulation tooth difference 2b and upper needle gage crank 2c, needle gage regulation are fixedly connected with adjustment axis 2a
It is provided with tooth difference 2b on prong 2b1, upper needle gage crank 2c and is hinged with regulation connecting rod 2d.Upper needle gage crank 2c fixing end and tune
Nodal axisn 2a is fixedly connected, and upper needle gage crank 2c movable end is hinged with adjusting connecting rod 2d upper end.Regulation motor 2e rotating shaft is worn
Cross after oil sealing 6 and axle sleeve 5 and to be fixedly connected with regulation crank 2f, be provided with yoke configurations in regulation crank 2f fixing end, adjust
Motor 2e rotating shaft is fixedly connected by yoke configurations with regulation crank 2f, and regulation crank 2f movable end is with regulation connecting rod 2d's
Lower end is hinged.
Upper feeding transmission component 3 includes upper feed spool 3a, swing connecting bar 3b, upper feeding connecting rod 3c, slip slotware 3d, transmission
Axle 3e, upper feeding crank 3f and drive link 3g.Upper feed spool 3a is located on upper shell 1a, upper feed spool 3a and upper feeding tooth
Connection, swing connecting bar 3b fixing end is fixedly connected on feed spool 3a, and upper feeding connecting rod 3c one end passes through pin and pendulum
Dynamic connecting rod 3b movable end is hinged, and the upper feeding connecting rod 3c other end is equipped with bearing pin 3h, and bearing pin 3h two ends are arranged with respectively
Sliding block 3i and sliding shoe 3j, sliding block 3i are slidably arranged in needle gage regulation tooth difference 2b prong 2b1.Power transmission shaft 3e is located in upper casing
On body 1a, slide slotware 3d and upper feeding crank 3f and be respectively fixedly connected with power transmission shaft 3e, slide and be provided with arc on slotware 3d
Shape groove 3d1, sliding shoe 3j are slidably arranged in deep-slotted chip breaker 3d1；Upper feeding crank 3f movable end is hinged with drive link 3g.When
When upper feeding transmission component 3 transmits motion by lower feed spool 4, upper feeding transmission component 3 also includes and lower feed spool 4 is fixed and connected
Crank 3k movable end is hinged with drive link 3g in crank 3k, cloth pushing shaft in the cloth pushing shaft connect.When upper feeding transmission component 3 is logical
When crossing main shaft transmission motion, upper feeding transmission component 3 also includes the eccentric block being fixedly connected with upper main shaft, drive link 3g sets
It is located on eccentric block.
During sewing, lower feed spool 4 is rotated, and makes biography by crank 3k, drive link 3g in cloth pushing shaft and upper feeding crank 3f
Moving axis 3e is rotated, or upper main axis, and power transmission shaft 3e is rotated by eccentric block, drive link 3g and upper feeding crank 3f,
Slip slotware 3d on power transmission shaft 3e is swung with power transmission shaft 3e, so that sliding shoe 3j is slided in deep-slotted chip breaker 3d1, is then passed through
Upper feeding connecting rod 3c and swing connecting bar 3b rotate feed spool 3a, move feeding tooth.In regulation during needle gage, regulation motor
The certain angle of 2e axis of rotation, regulation motor 2e rotating shaft drives regulation crank 2f to swing, and regulation crank 2f drives regulation
Connecting rod 2d is moved, and the 2d motions of regulation connecting rod drive upper needle gage crank 2c to swing and adjustment axis 2a is rotated corresponding angle, regulation
Needle gage regulation tooth difference 2b on axle 2a swings to be slided so as to drive sliding block 3i to be adjusted in needle gage in tooth difference 2b prong 2b1 so that
The sliding shoe 3j being connected with sliding block 3i is slided in deep-slotted chip breaker 3d1, while making feeding connecting rod 3c swing corresponding around pin
Angle, so as to change the size of needle gage in the stroke of upper feeding tooth, regulation, makes needle gage be adjusted to the numerical value of setting.Due to adjusting
Section motor 2e can quickly and accurately turn to the angle of setting so that the regulation of upper needle gage quickly can be carried out accurately.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (5)
1. a kind of upper feed mechanism of sewing machine, including upper feeding adjusting part (2), the upper feeding adjusting part (2) include
Be located on the adjustment axis (2a) on casing (1), the adjustment axis (2a) be fixedly connected with needle gage regulation tooth it is poor (2b), its feature
It is, is also fixedly connected with the adjustment axis (2a) on needle gage crank (2c), the upper needle gage crank (2c) and is hinged with tune
Connecting rod (2d) is saved, the upper feeding adjusting part (2) also includes the regulation motor (2e) being fixed on casing (1), the regulation
Regulation crank (2f) is fixedly connected with the rotating shaft of motor (2e), the regulation crank (2f) is hinged with regulation connecting rod (2d).
2. the upper feed mechanism of sewing machine according to claim 1, it is characterised in that the casing (1) includes upper shell
(1a) and lower shoe (1b), the upper shell (1a) is located on the top of lower shoe (1b), the right side of the lower shoe (1b)
Recessed mounting groove (1b1) is provided with, the bottom surface of the mounting groove (1b1) is provided with through hole (1b2), the regulation motor (2e)
The left end of motor casing be fixed in mounting groove (1b1), the rotating shaft of the regulation motor (2e) is located in through hole (1b2).
3. the upper feed mechanism of sewing machine according to claim 2, it is characterised in that be provided with the through hole (1b2)
Axle sleeve (5), the rotating shaft of the regulation motor (2e) is fixedly connected with regulation crank (2f) afterwards through axle sleeve (5).
4. the upper feed mechanism of sewing machine according to claim 3, it is characterised in that through hole (1b2) interior sealing is solid
Surely there is oil sealing (6), the oil sealing (6) is located between axle sleeve (5) and the motor casing of regulation motor (2e), the regulation motor (2e)
Rotating shaft pass through oil sealing (6).
5. according to the upper feed mechanism of any described sewing machines of claim 2-4, it is characterised in that on the upper shell (1a)
The mounting hole (1a1) being provided through, the adjustment axis (2a) is plugged in mounting hole (1a1), close in the mounting hole (1a1)
Envelope is fixed with rubber stopper (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720187700.5U CN206521587U (en) | 2017-02-28 | 2017-02-28 | A kind of upper feed mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720187700.5U CN206521587U (en) | 2017-02-28 | 2017-02-28 | A kind of upper feed mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206521587U true CN206521587U (en) | 2017-09-26 |
Family
ID=59892243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720187700.5U Active CN206521587U (en) | 2017-02-28 | 2017-02-28 | A kind of upper feed mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206521587U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761258A (en) * | 2017-12-05 | 2018-03-06 | 浙江中捷缝纫科技有限公司 | A kind of work feed governor motion of sewing machine |
| CN109898245A (en) * | 2019-04-02 | 2019-06-18 | 浙江美机缝纫机有限公司 | A kind of needle gage adjustment structure of sewing machine |
| CN111379092A (en) * | 2018-12-30 | 2020-07-07 | 浙江中捷缝纫科技有限公司 | Sewing machine |
| CN109898245B (en) * | 2019-04-02 | 2024-07-26 | 美机科技集团有限公司 | Needle distance adjusting structure of sewing machine |
-
2017
- 2017-02-28 CN CN201720187700.5U patent/CN206521587U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107761258A (en) * | 2017-12-05 | 2018-03-06 | 浙江中捷缝纫科技有限公司 | A kind of work feed governor motion of sewing machine |
| CN107761258B (en) * | 2017-12-05 | 2024-02-06 | 浙江中捷缝纫科技有限公司 | Cloth feeding adjusting mechanism of sewing machine |
| CN111379092A (en) * | 2018-12-30 | 2020-07-07 | 浙江中捷缝纫科技有限公司 | Sewing machine |
| CN109898245A (en) * | 2019-04-02 | 2019-06-18 | 浙江美机缝纫机有限公司 | A kind of needle gage adjustment structure of sewing machine |
| CN109898245B (en) * | 2019-04-02 | 2024-07-26 | 美机科技集团有限公司 | Needle distance adjusting structure of sewing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104233644B (en) | The sewing machine of top and bottom feed | |
| CN206521587U (en) | A kind of upper feed mechanism of sewing machine | |
| CN207452400U (en) | Flat seaming machine trimming, loose ends and presser foot lifter action driver and flat seaming machine | |
| CN103981649A (en) | Upper machine head of independently-driven rotary type automatic sewing device | |
| CN101792956B (en) | Upper differential feeding mechanism with contraction joint function of sewing machine and upper feeding wrinkling mechanism using same | |
| CN102011274A (en) | Two-gear type stitch length adjusting device of sewing machine | |
| CN207933639U (en) | A kind of presser foot interactive quantity regulating mechanism of sewing machine | |
| CN204080362U (en) | The Sewing machines of top and bottom feed | |
| CN203451794U (en) | Mechanism for instantaneously adjusting presser foot alternation of sewing machine | |
| CN103451857B (en) | Sewing machine | |
| CN207047496U (en) | A kind of cutter structure of sewing machine | |
| CN207047492U (en) | A kind of presser foot of sewing machine | |
| CN103741380B (en) | The upper and lower synchronous feeding mechanism of thin material flat seam machine and feeding method thereof | |
| CN202865566U (en) | Needle pitch automatic adjusting mechanism of sewing machine | |
| CN207435682U (en) | Sewing machine determines tooth feeding part | |
| CN107761258A (en) | A kind of work feed governor motion of sewing machine | |
| CN201405390Y (en) | Rotating mechanism of shear head of blanking machine | |
| CN206319131U (en) | A kind of synchronization up and down of sewing machine and differential feed mechanism | |
| CN103469499A (en) | Fabric conveying mechanism for back tacking of sewing machine | |
| CN205035620U (en) | Transmission mechanism of sewing machine | |
| CN207525443U (en) | A kind of work feed regulating mechanism of sewing machine | |
| CN205934320U (en) | Linking machine transmission system | |
| US2915997A (en) | Box pleating attachment for sewing machines | |
| CN202187170U (en) | Cloth feed mechanism of manual line mark imitation sewing machine | |
| CN104674461A (en) | Multi-needle fine-adjustment computerized sewing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |