CN107237057A - A kind of feed tip adjustment structure of sewing machine - Google Patents
A kind of feed tip adjustment structure of sewing machine Download PDFInfo
- Publication number
- CN107237057A CN107237057A CN201710517677.6A CN201710517677A CN107237057A CN 107237057 A CN107237057 A CN 107237057A CN 201710517677 A CN201710517677 A CN 201710517677A CN 107237057 A CN107237057 A CN 107237057A
- Authority
- CN
- China
- Prior art keywords
- feed tip
- sewing machine
- crank
- wobble
- hole
- 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
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention relates to the technical field of sewing machine, more particularly, to a kind of feed tip adjustment structure of sewing machine, including being installed on the needle bar crank, swinging axle and the feed tip for being installed on swinging axle lower end that on head of sewing machine drive shank to move by shank connecting rod, the upper end of swinging axle is adjustable to be installed on wobble crank, wobble crank is connected by the bottom of wobble crank pin and wobble plate, needle bar crank on shank connecting rod side in opposite direction with being convexly equipped with eccentric wheel, and upper end and the eccentric wheel of wobble plate are hinged.Advantage is：Feed tip structure is effectively simplified, installation time is saved, and lid need not be torn during feed tip stroke adjustment open, while also having ensured the feed tip sewing machine synchronous with eedle.
Description
Technical field
The present invention relates to the technical field of sewing machine, more particularly, to a kind of feed tip adjustment structure of sewing machine.
Background technology
The feed tip adjustment structure of existing sewing machine includes the toggle driven by machine spindle, is connected by crank
Linkage is being further driven to swinging axle work, and swinging axle is in drive feed tip swing.The concrete operating principle of this structure is：It is main
Axle rotates counterclockwise drive eccentric bushing and rotated, and eccentric bushing rotates and drives feed tip wobble crank to swing by feed tip connecting rod, swings
Crank then drives swing connecting bar axle to swing, and swing connecting bar axle, which is swung, drives feed tip swing connecting bar to swing, last feed tip swing connecting bar
Feed tip is driven to swing by swinging axle.Total is more complicated, installs more time-consuming, and cost is higher, when needing regulation
The upper lid that needs to dismantle during feed tip oscillating stroke is adjusted, very inconvenient, and the drift angle of also spindle eccentricity is not easy to ensure, needs
Ensured with the regulation of eccentric bushing.
The content of the invention
The deficiency existed for above-mentioned prior art, feed tip structure is effectively simplified it is an object of the invention to provide one kind,
Installation time is saved, and lid need not be torn during feed tip stroke adjustment open, while also having ensured the feed tip sewing synchronous with eedle
The feed tip adjustment structure of machine.
To realize above-mentioned purpose, the invention provides following technical scheme：
A kind of feed tip adjustment structure of sewing machine, including be installed on head of sewing machine by shank connecting rod driving shank fortune
Dynamic needle bar crank, swinging axle and the feed tip for being installed on swinging axle lower end, the upper end of swinging axle is adjustable to be installed on swing
On crank, wobble crank is connected by the bottom of wobble crank pin and wobble plate, and needle bar crank and shank connecting rod are in opposite direction
Eccentric wheel is convexly equipped with side, upper end and the eccentric wheel of wobble plate are hinged.
The present invention is further arranged to：The eccentric wheel is provided with by the drive shaft of the main shaft drives of sewing machine.
The present invention is further arranged to：The structure of the wobble crank is：Install and fix including the upper end for swinging axle
Oscillating deck, oscillating deck is provided with the crank guide entered for wobble crank guide towards the side of wobble plate.
The present invention is further arranged to：The oscillating deck is provided with the adjustment hole of bar shaped, and the upper end of swinging axle, which is passed through, adjusts
Knothole and the upside for extending oscillating deck, swinging axle extend and are bolted with adjusting nut on the upper end on the upside of oscillating deck.
The present invention is further arranged to：The crank guide is provided with through hole towards the side wall of wobble plate side, in wobble plate with
The steady pin that through hole is fixedly connected with the wobble crank pin in crank guide is provided through at the corresponding position of through hole.
The present invention is further arranged to：Middle part in the wobble plate is provided with hinge hole, and hinge hole is provided with and is hinged wobble plate
It is installed on the wobble plate screw on sewing machine case.
The present invention is further arranged to：The articulated slab of the L-shaped structure of wobble plate, hinge hole is hinged located at L-shaped structure
The corner of plate.
The present invention is further arranged to：Upper end in the wobble plate is provided with open slot, and eccentric wheel is embedded in open slot
It is interior to set.
The present invention is further arranged to：Swinging axle sleeve, swinging axle are arranged with swinging axle on the downside of the wobble crank
Feed tip frame is installed, the bottom of feed tip frame is provided with feed tip on the wobble crank on the downside of sleeve.
The present invention is further arranged to：The upper end of the feed tip frame is provided with upper shed hole, the opening two in upper shed hole
Side is respectively equipped with the upper clamping seat by screw spiral clamping, and the bottom of swinging axle is extended in upper shed hole and by screw spiral shell
The upper clamping seat of clamping upper shed hole opening both sides is revolved to fix；The bottom of feed tip frame is provided with shed hole, under shed hole
Opening both sides be respectively equipped with lower clamping seat by screw spiral clamping, the upper end of feed tip extends under shed hole and passed through
The lower clamping seats of screw spiral clamping under shed hole opening both sides is fixed.
By using above-mentioned technical proposal, the technique effect that the present invention is reached is：Pass through the knot that feed tip will be driven to swing
Structure is improved optimization, to drive the crank connecting link of feed tip by the eccentric wheel on needle bar crank by using needle bar crank
Structure driving feed tip is swung, and is effectively simplified feed tip structure, is saved installation time, and need not be torn open during feed tip stroke adjustment
Lid, while also having ensured that feed tip is synchronous with eedle, in addition, can by the position relationship improved between swinging axle and wobble crank
Adjust, can so be more convenient more efficiently to carry out quick regulation to the stroke of feed tip, because the spy of the set location of this structure
Different property, when adjusting the stroke of feed tip, can be adjusted or only need to pull down machine by opening up corresponding hole on casing
The left cover of head is to adjust, relative to traditional regulative mode, saves the substantial amounts of time, and regulation process and structure are answered
Miscellaneous degree is all simplified.
Brief description of the drawings
The invention will now be described in further detail with reference to the accompanying drawings.
Fig. 1 is one of principle schematic diagram of the present invention.
Fig. 2 is the structural representation of the wobble plate of the present invention.
Fig. 3 is the two of the principle schematic diagram of the present invention.
Fig. 4 is the structural representation of the needle bar crank of the present invention.
Fig. 5 is the structural representation of the wobble crank of the present invention.
Fig. 6 is the structural representation of the feed tip frame of the present invention.
Embodiment
Reference picture 1~6, is a kind of feed tip adjustment structure of sewing machine disclosed by the invention, including is installed on sewing machine machine
On head by shank connecting rod 17 drive shank move needle bar crank 15, swinging axle 10 and be installed on the lower end of swinging axle 10 feed
Pin 11, the upper end of swinging axle 10 is adjustable to be installed on wobble crank 12, the pendulum of the downside of wobble crank 12 in sewing machine
It is arranged with moving axis 10 on swinging axle sleeve 28, the wobble crank 12 of the downside of swinging axle sleeve 28 and feed tip frame 29, feed tip is installed
The bottom of frame 29 is provided with feed tip 11.Wherein, the upper end of feed tip frame 29 is provided with upper shed hole 30, and upper shed hole 30 is opened
Mouth both sides are respectively equipped with the upper clamping seat 31 by screw spiral clamping, and the bottom of swinging axle 10 is extended in upper shed hole 30 simultaneously
Fixed by the upper clamping seat 31 of the opening both sides of screw spiral clamping upper shed hole 30；The bottom of feed tip frame 29 is provided with down
Open pore 32, the opening both sides under shed hole 32 are respectively equipped with the lower clamping seat 33 by screw spiral clamping, feed tip 11 it is upper
End extends under shed hole 32 and fixed by the lower clamping seat 33 of the opening both sides of screw spiral clamping under shed hole 32.That
By the fastening means in above-mentioned, primarily to convenient maintenance and change feed tip, feed tip frame and swinging axle and its with
Correlation parts, can so be lifted to a certain extent product assembling, dismounting and maintenance comfort level and
Operating efficiency.
In the present embodiment, wobble crank 12 is connected by wobble crank pin 13 with the bottom of wobble plate 14, needle bar crank
15 on the side in opposite direction of shank connecting rod 17 with being convexly equipped with eccentric wheel 16, and upper end and the eccentric wheel 16 of wobble plate 14 are hinged.Partially
Heart wheel 16 is provided with by the drive shaft 26 of the main shaft drives of sewing machine.The wobble plate 14 being so hinged with eccentric wheel is provided with open slot
27, the i.e. upper end of wobble plate 14 are provided with open slot 27, and eccentric wheel 16 is embedded in setting in open slot 27.So in main shaft drives
When needle bar crank works, eccentric wheel can drive the action that wobble plate moves up and down.
Realize that swinging axle carries out the effect of position adjustments, the structure of wobble crank 12 relative to wobble crank for convenience
For：Fixed oscillating deck 18 is installed including the upper end for swinging axle 10, oscillating deck 18 is provided with for putting towards the side of wobble plate 14
The crank guide 19 that dynamic crank-pin 13 is inserted in.Oscillating deck 18 is provided with the adjustment hole 20 of bar shaped, and the upper end of swinging axle 10 is passed through
Adjustment hole 20 and the upside for extending oscillating deck 18, swinging axle 10 extend and are bolted with adjusting nut on the upper end of the upside of oscillating deck 18
21.Distance of the swinging axle relative to the crank guide of wobble crank can be adjusted by adjusting nut, and then adjust swinging axle
Pivot angle, and feed tip is to be relatively fixed to be connected with swinging axle, then the pivot angle of feed tip can also change accordingly, that is to say, that swing
Stroke changes.
Crank guide 19 in above-mentioned is provided with through hole 22, wobble plate 14 and the phase of through hole 22 towards the side wall of the side of wobble plate 14
The steady pin 23 that through hole 22 is fixedly connected with the wobble crank pin 13 in crank guide 19 is provided through at corresponding position, so
The installation fixed relationship between wobble plate can be facilitated.Middle part in wobble plate 14 is provided with hinge hole 24, and hinge hole 24 is provided with will
Wobble plate 14 is hinged the wobble plate screw 25 being installed on sewing machine case.So cause wobble plate formation using wobble plate screw as being hinged branch
The lever construction of point, then during eccentric wheel is rotated with needle bar crank, wobble plate can be driven relative to wobble plate spiral shell
Nail motion.Wherein, the articulated slab of the L-shaped structure of wobble plate 14, corner of the hinge hole 24 located at the articulated slab of L-shaped structure.
The specific implementation process of the present embodiment is：During sewing machine normal work, needle bar crank is driven to rotate by main shaft, pin
Pole crank drives the steady pin in wobble plate, wobble plate to drive rocking pin to swing by the eccentric wheel structure of setting, then by swinging
Pin drives swinging axle to swing, and finally realizes the swing of feed tip.In the present embodiment, an ellipse can be designed in head left cover
Groove, the oil sealing of outside when needing regulation feed tip oscillating stroke, need to only be removed and spanner can be used to be adjusted, of coursed,
Directly head left cover can also entirely be pulled down, be adjusted, this can be selected according to actual regulatory demand.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure, shape, the principle of the present invention is done, all should be covered by within protection scope of the present invention.
Claims (10)
1. a kind of feed tip adjustment structure of sewing machine, including be installed on head of sewing machine by shank connecting rod (17) driving shank
Needle bar crank (15), swinging axle (10) and the feed tip (11) for being installed on swinging axle (10) lower end of motion, it is characterised in that：Pendulum
The upper end of moving axis (10) is adjustable to be installed on wobble crank (12), and wobble crank (12) passes through wobble crank pin (13) and pendulum
Eccentric wheel is convexly equipped with the bottom connection of plate (14), needle bar crank and shank connecting rod side in opposite direction, wobble plate (14)
Upper end is hinged with eccentric wheel (16).
2. the feed tip adjustment structure of sewing machine according to claim 1, it is characterised in that：The eccentric wheel (16) is provided with
By the drive shaft (26) of the main shaft drives of sewing machine.
3. the feed tip adjustment structure of sewing machine according to claim 1, it is characterised in that：The knot of the wobble crank (12)
Structure is：Include fixed oscillating deck (18) is installed for the upper end of swinging axle (10), oscillating deck (18) towards wobble plate (14) one
Side is provided with the crank guide (19) being inserted in for wobble crank pin (13).
4. the feed tip adjustment structure of sewing machine according to claim 3, it is characterised in that：The oscillating deck (18) is provided with
The adjustment hole (20) of bar shaped, the upper end of swinging axle (10) passes through adjustment hole (20) and extends the upside of oscillating deck (18), swings
Axle (10), which is extended, is bolted with adjusting nut (21) on the upper end on the upside of oscillating deck (18).
5. the feed tip adjustment structure of sewing machine according to claim 3, it is characterised in that：Crank guide (19) direction
The side wall of wobble plate (14) side is provided with position corresponding with through hole (22) in through hole (22), wobble plate (14) and is provided through leading to
The steady pin (23) that hole (22) is fixedly connected with the wobble crank pin (13) in crank guide (19).
6. the feed tip adjustment structure of sewing machine according to claim 5, it is characterised in that：Middle part on the wobble plate (14)
Provided with hinge hole (24), hinge hole (24) is provided with the wobble plate screw for being hinged wobble plate (14) and being installed on sewing machine case
(25)。
7. the feed tip adjustment structure of sewing machine according to claim 6, it is characterised in that：The L-shaped structure of wobble plate
Articulated slab, corner of the hinge hole (24) located at the articulated slab of L-shaped structure.
8. the feed tip adjustment structure of the sewing machine according to any one of claim 1 to 7, it is characterised in that：The wobble plate
(14) upper end is provided with open slot (27), and eccentric wheel (16) is embedded in open slot (27) setting.
9. the feed tip adjustment structure of the sewing machine according to any one of claim 1 to 7, it is characterised in that：It is described to swing bent
The wobble crank (12) on the downside of swinging axle sleeve (28), swinging axle sleeve (28) is arranged with swinging axle (10) on the downside of handle (12)
On feed tip frame (29) is installed, the bottom of feed tip frame (29) is provided with feed tip (11).
10. the feed tip adjustment structure of sewing machine according to claim 9, it is characterised in that：The feed tip frame (29) it is upper
End is provided with upper shed hole (30), and the opening both sides of upper shed hole (30) are respectively equipped with the upper clamping by screw spiral clamping
Seat (31), the bottom of swinging axle (10) extends in upper shed hole (30) and is open by screw spiral clamping upper shed hole (30)
The upper clamping seats (31) of both sides is fixed；The bottom of feed tip frame (29) is provided with shed hole (32), under shed hole (32)
Opening both sides are respectively equipped with the lower clamping seat (33) by screw spiral clamping, and the upper end of feed tip (11) extends under shed hole
(32) fixed in and by the lower clamping seat (33) of screw spiral clamping under shed hole (32) opening both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517677.6A CN107237057B (en) | 2017-06-29 | 2017-06-29 | Sewing machine feeds needle and adjusts structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517677.6A CN107237057B (en) | 2017-06-29 | 2017-06-29 | Sewing machine feeds needle and adjusts structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107237057A true CN107237057A (en) | 2017-10-10 |
| CN107237057B CN107237057B (en) | 2020-03-24 |
Family
ID=59990262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710517677.6A Active CN107237057B (en) | 2017-06-29 | 2017-06-29 | Sewing machine feeds needle and adjusts structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107237057B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2537722Y (en) * | 2002-02-08 | 2003-02-26 | 标准缝纫机菀坪机械有限公司 | Sewing machine reversible sewing needle distance adjustable mechanism |
| CN1702221A (en) * | 2004-05-26 | 2005-11-30 | 飞马缝纫机制造株式会社 | Sewing machine for barrel type curtain upside decoration cloth |
| CN201512669U (en) * | 2009-09-14 | 2010-06-23 | 名匠缝纫机股份有限公司 | Thread guide structure arranged outside sewing machine for forming ornamental threads with alternately changed thread density on front surface of stitched fabric |
| JP2011212286A (en) * | 2010-03-31 | 2011-10-27 | Pegasus Sewing Machine Mfg Co Ltd | Spreader attaching mechanism |
| CN106637729A (en) * | 2016-12-28 | 2017-05-10 | 杰克缝纫机股份有限公司 | Sewing machine and mechanism for reducing vibration of sewing machine |
-
2017
- 2017-06-29 CN CN201710517677.6A patent/CN107237057B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2537722Y (en) * | 2002-02-08 | 2003-02-26 | 标准缝纫机菀坪机械有限公司 | Sewing machine reversible sewing needle distance adjustable mechanism |
| CN1702221A (en) * | 2004-05-26 | 2005-11-30 | 飞马缝纫机制造株式会社 | Sewing machine for barrel type curtain upside decoration cloth |
| CN201512669U (en) * | 2009-09-14 | 2010-06-23 | 名匠缝纫机股份有限公司 | Thread guide structure arranged outside sewing machine for forming ornamental threads with alternately changed thread density on front surface of stitched fabric |
| JP2011212286A (en) * | 2010-03-31 | 2011-10-27 | Pegasus Sewing Machine Mfg Co Ltd | Spreader attaching mechanism |
| CN106637729A (en) * | 2016-12-28 | 2017-05-10 | 杰克缝纫机股份有限公司 | Sewing machine and mechanism for reducing vibration of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107237057B (en) | 2020-03-24 |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 318000 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. |