CN106222893A - A kind of pinch roller assembly for sewing machine and sewing machine - Google Patents
A kind of pinch roller assembly for sewing machine and sewing machine Download PDFInfo
- Publication number
- CN106222893A CN106222893A CN201610780357.5A CN201610780357A CN106222893A CN 106222893 A CN106222893 A CN 106222893A CN 201610780357 A CN201610780357 A CN 201610780357A CN 106222893 A CN106222893 A CN 106222893A
- Authority
- CN
- China
- Prior art keywords
- pinch roller
- sewing machine
- needle
- roller assembly
- turning rolls
- 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
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
- D05B27/18—Feed cups
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B55/00—Needle holders; Needle bars
- D05B55/14—Needle-bar drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention discloses a kind of pinch roller assembly for sewing machine, described sewing machine includes operating platform, the housing being arranged on described operation planar and setting needle on the housing, described pinch roller assembly include rotating be arranged on described needle after and the pinch roller of described operation planar can be compressed, described pinch roller is driven along with the transmission component of described needle and to control the lifting assembly that described pinch roller rises or declines, described pinch roller is synchronous rolling when described needle works, owing to the present invention is provided with pinch roller after sewing machine needle, pinch roller rotates along with the work of needle, cloth can be pushed forward by the rotation of pinch roller, thus reach the technical purpose of automatic cloth feed.
Description
Technical field
The present invention relates to sewing machine field, a kind of pinch roller assembly for sewing machine and sewing machine.
Background technology
At present, existing sewing machine needs the direction of operator's Non-follow control suture during sewing, is running into relatively
Operation more difficulty during thick cloth so that the workload of user is bigger.
Particularly in terms of the propelling of cloth, advancing of cloth needed within the of short duration time that sewing machine syringe needle leaves cloth cover
Completing, the thicker existing sewing machine of bigger cloth is difficult to be automatically performed the propelling of cloth.
Summary of the invention
It is an object of the invention to provide pinch roller assembly and the sewing machine of a kind of sewing machine that can automatically advance cloth.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of pinch roller assembly for sewing machine, described sewing machine includes operating platform, the shell being arranged on described operation planar
Body and needle on the housing is set, described pinch roller assembly include rotation be arranged on described needle after and energy
Compress the pinch roller of described operation planar, drive described pinch roller along with the transmission component of described needle and to control on described pinch roller
The lifting assembly risen or decline, described pinch roller is synchronous rolling when described needle works.
Preferably, described sewing machine also includes a main shaft driving described needle, and described main shaft also synchronizes to drive
Described pinch roller rolls.
It is further preferred that described transmission component includes being fixedly installed bracing frame on the housing, rotates and be arranged on
On support frame as described above by the power transmission shaft of described main shaft drives, rotate be arranged on the wobble crank axle below described power transmission shaft, institute
Stating and be fixedly installed eccentric on power transmission shaft, the outer turning set of described eccentric is provided with connecting rod of eccentric wheel；Outside described wobble crank axle
It is arranged with wobble crank, between described wobble crank and described wobble crank axle, is provided with at least one unilateral bearing；Described partially
The heart wheel connecting rod bottom be slidably arranged in the chute of described wobble crank.
It is further preferred that described lifting assembly includes arranging cylinder on the housing and described wobble crank axle
The turning rolls axle being co-axially located on support frame as described above, rotates and is arranged on the turning rolls on described turning rolls axle, described turning rolls
One end be provided with the through hole other end arranging described pinch roller be provided with chute, described cylinder includes being fixedly installed on described
Cylinder body on housing and the cylinder axis being slidably arranged in described cylinder body, the lower end of described cylinder axis stretches out cylinder,
The bottom of described cylinder axis is connected with the slide of described turning rolls axle by pin.
It is further preferred that through hole on described turning rolls is provided with the roller being parallel to each other with described turning rolls axle
Axle, one end of described roller shaft is fixedly installed the described pinch roller other end and is fixedly installed the first synchronous pulley, described swing
It is provided with the second synchronous pulley on crank axle, between described first synchronous pulley and the second synchronous pulley, is provided with Timing Belt.
It is further preferred that described cylinder body is stretched out in the upper end of described cylinder axis, the upper end of described cylinder axis is fixing to be set
Being equipped with the most upwardly extending guide rod, the upper end of described guide rod is provided with locking nut, described locking nut with
It is provided with stage clip between described cylinder.
It is further preferred that described compression spring sleeve is located on described guide rod.
Preferably, described operation planar is provided with ganoid cushion block in the underface of described pinch roller.
A kind of sewing machine with above-mentioned sewing machine pinch roller assembly.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that
Owing to the present invention is provided with pinch roller after sewing machine needle, pinch roller rotates along with the work of needle, by pressure
Cloth can be pushed forward by the rotation of wheel, thus reaches the technical purpose of automatic cloth feed.
Accompanying drawing explanation
Accompanying drawing 1 is the pinch roller assembly explosive view of embodiment one；
Accompanying drawing 2 is the lifting assembly explosive view of embodiment one；
Accompanying drawing 3 is the transmission component explosive view of embodiment one.
In the figures above: 1, pinch roller；2, bracing frame；3, power transmission shaft；4, wobble crank axle；5, eccentric；51, eccentric is even
Bar；52, extension rod；53, union joint；6, wobble crank；7, unilateral bearing；8, turning rolls axle；9, turning rolls；10, chute；11、
Cylinder body；12, cylinder axis；13, roller shaft；14, the first synchronous pulley；15, the second synchronous pulley；16, Timing Belt；17, lead
Bar；18, locking nut；19, stage clip；20, thrust washer；21, needle roller thrust bearing；22, needle bearing；23, clamp ring.
Detailed description of the invention
The invention will be further described for embodiment shown in below in conjunction with the accompanying drawings:
Embodiment one: see shown in accompanying drawing 1, a kind of includes operating platform, the housing being arranged on operation planar for sewing machine
With the needle for suture being arranged on housing and pinch roller assembly, after pinch roller assembly includes that rotation is arranged on needle
And can compress operation planar pinch roller 1, drive pinch roller 1 along with needle transmission component and control pinch roller 1 rise or
The lifting assembly declined, pinch roller 1 is synchronous rolling when needle works, and operation planar is provided with table in the underface of pinch roller 1
The cushion block that face is smooth, the cloth on operation planar can be dragged by pinch roller.
Seeing shown in accompanying drawing 3, wherein, transmission component includes the bracing frame 2 being fixedly installed on housing, rotates to be arranged on and prop up
On support 2 by the power transmission shaft 3 of the main shaft drives of sewing machine, rotate be arranged on the wobble crank axle 4 below power transmission shaft 3.Transmission
The axle 3 main shaft drives by needle, so that pinch roller 1 synchronous axial system sewing machine works when.Fix on power transmission shaft 3
Being provided with eccentric 5, the outer turning set of eccentric 5 is provided with connecting rod of eccentric wheel 51, and connecting rod of eccentric wheel 51 also includes that setting is arranged on it
The extension rod 52 of bottom and union joint 53；Wobble crank 6, wobble crank 6 and wobble crank axle 4 it is arranged with outside wobble crank axle 4
Between be provided with two unilateral bearings 7, in the present embodiment, unilateral bearing 7 is unidirectional needle bearing, two unidirectional needle bearings
Outer ring uses clamp ring 23 to lock with wobble crank 6；Connecting rod of eccentric wheel 51 bottom be slidably arranged in the cunning of wobble crank 6
In groove 10.Owing in sewing machine, needle also has the eccentric being arranged on main shaft to drive, therefore when main axis
Wait connecting rod of eccentric wheel 51 can corresponding with needle move up and down.In the present embodiment, by the position of eccentric adjustment wheel 5,
Connecting rod of eccentric wheel 51 is staggered, needle time i.e. connecting rod of eccentric wheel 51 moves downward with the movement relation of needle
Move upward.And wobble crank 6 carrys out back rotation along with connecting rod of eccentric wheel 51, due between wobble crank 6 and wobble crank axle 4
Being provided with unilateral bearing 7, wobble crank axle 4 only just can rotate when connecting rod of eccentric wheel 51 moves downward, i.e. wobble crank axle 4
Only just can rotate when needle moves upward to drive pinch roller 1, it is achieved thereby that pinch roller 1 only leaves cloth at needle
Cloth is dragged in the time period of material.
Seeing shown in accompanying drawing 2, lifting assembly includes that the cylinder being arranged on bracing frame 2 is coaxially disposed with wobble crank axle 4
Turning rolls axle 8 on bracing frame 2, rotates the turning rolls 9 that is arranged on turning rolls axle 8, one end of turning rolls 9 be provided with for
The through hole other end arranging pinch roller 1 is provided with chute 10, and cylinder includes the cylinder body 11 being fixedly installed on housing and slides
The cylinder axis 12 being arranged in cylinder body 11, the lower end of cylinder axis 12 stretches out cylinder body 11, and the bottom of cylinder axis 12 leads to
The chute 10 crossing pin and turning rolls axle 8 is slidably connected.Turning rolls 9 and turning rolls axle 8 serve the effect of lever, when cylinder pressure
Time lower, chute 10 end of turning rolls 9 is depressed, and turning rolls 9 arranges the end of pinch roller 1 and lifts downwards.
Being provided with the roller shaft 13 being parallel to each other with turning rolls axle 8 in through hole on turning rolls 9, one end of roller shaft 13 is solid
Surely it is provided with pinch roller 1 other end and is fixedly installed the first synchronous pulley 14, wobble crank axle 4 is provided with the second synchronous pulley 15,
It is provided with Timing Belt 16 between first synchronous pulley 14 and the second synchronous pulley 15.Owing to turning rolls axle 8 is same with wobble crank axle 4
Axle is arranged, and the most no matter how turning rolls 9 rotates, and the distance of roller shaft 13 to wobble crank axle 4 is all fixing, thus in rolling
Wheel shaft 13 does not interferes with the transmission of transmission component when lifting.
As shown in Figure 2, in the present embodiment, roller shaft 13 last time is arranged with pinch roller 1, thrust washer 20, thrust rolling
Needle bearing 21, thrust washer 20, needle bearing 22, thrust washer 20, needle roller thrust bearing 21, thrust washer 20, first synchronize
Belt wheel 14.
In the present embodiment, cylinder body 11 is stretched out in the upper end of cylinder axis 12, and the upper end of cylinder axis 12 is fixedly installed edge
The upwardly extending guide rod of its length direction 17, the upper end of guide rod 17 is provided with locking nut 18, and locking nut 18 is with cylinder originally
Stage clip 19 it is provided with between body.When design on fabric surface out-of-flatness time, stage clip 19 enables to pinch roller 1 and is close to design on fabric surface all the time.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.
Claims (9)
1., for a pinch roller assembly for sewing machine, described sewing machine includes operating platform, is arranged on described operation planar
Housing and setting needle on the housing, it is characterised in that: described pinch roller assembly includes that rotation is arranged on described seam
After needle of sewing machine and can compress described operation planar pinch roller, drive described pinch roller along with the transmission component of described needle and
Controlling the lifting assembly that described pinch roller rises or declines, described pinch roller is synchronous rolling when described needle works.
A kind of sewing machine pinch roller assembly the most according to claim 1, it is characterised in that: described sewing machine also includes that one is driven
The main shaft of dynamic described needle, described main shaft also synchronizes to drive described pinch roller to roll.
A kind of sewing machine pinch roller assembly the most according to claim 2, it is characterised in that: described transmission component includes fixing setting
Put bracing frame on the housing, rotate be arranged on support frame as described above by the power transmission shaft of described main shaft drives, rotate set
Put the wobble crank axle below described power transmission shaft, described power transmission shaft is fixedly installed eccentric, rotate outside described eccentric
It is arranged with connecting rod of eccentric wheel；Described wobble crank outer shaft sleeve is provided with wobble crank, described wobble crank and described wobble crank axle
Between be provided with at least one unilateral bearing；Described connecting rod of eccentric wheel bottom be slidably arranged in the cunning of described wobble crank
In groove.
A kind of sewing machine pinch roller assembly the most according to claim 3, it is characterised in that: described lifting assembly includes being arranged on
The turning rolls axle that cylinder on described housing and described wobble crank axle are co-axially located on support frame as described above, rotation is arranged on
Turning rolls on described turning rolls axle, one end of described turning rolls is provided with the through hole other end for arranging described pinch roller and arranges
Chute, described cylinder is had to include the cylinder body being fixedly installed on the housing and are slidably arranged in described cylinder body
Cylinder axis, the lower end of described cylinder axis stretches out cylinder, and the bottom of described cylinder axis is by the cunning of pin with described turning rolls axle
Groove is slidably connected.
A kind of sewing machine pinch roller assembly the most according to claim 4, it is characterised in that: the through hole on described turning rolls sets
Being equipped with the roller shaft being parallel to each other with described turning rolls axle, it is solid that one end of described roller shaft is fixedly installed the described pinch roller other end
First synchronous pulley is set surely, described wobble crank axle is provided with the second synchronous pulley, described first synchronous pulley and
It is provided with Timing Belt between second synchronous pulley.
A kind of sewing machine pinch roller assembly the most according to claim 4, it is characterised in that: institute is stretched out in the upper end of described cylinder axis
Stating cylinder body, the upper end of described cylinder axis is fixedly installed the most upwardly extending guide rod, described guide rod upper
End is provided with locking nut, is provided with stage clip between described locking nut and described cylinder.
A kind of sewing machine pinch roller assembly the most according to claim 6, it is characterised in that: described compression spring sleeve is located at described guide rod
On.
A kind of sewing machine pinch roller assembly the most according to claim 1, it is characterised in that: described operation planar is at described pinch roller
Underface be provided with ganoid cushion block.
9. the sewing machine of the sewing machine pinch roller assembly that a kind has described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780357.5A CN106222893B (en) | 2016-08-31 | 2016-08-31 | A pinch roller subassembly and sewing machine for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780357.5A CN106222893B (en) | 2016-08-31 | 2016-08-31 | A pinch roller subassembly and sewing machine for sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106222893A true CN106222893A (en) | 2016-12-14 |
| CN106222893B CN106222893B (en) | 2022-04-15 |
Family
ID=58072251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610780357.5A Active CN106222893B (en) | 2016-08-31 | 2016-08-31 | A pinch roller subassembly and sewing machine for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106222893B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005646A (en) * | 2021-03-05 | 2021-06-22 | 苏州琼派瑞特电子科技有限公司 | Feeding mop mechanism for overedger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001120870A (en) * | 1999-10-26 | 2001-05-08 | Juki Corp | Method for controlling tip pulling roller of sewing machine and device therefor |
| JP2004008629A (en) * | 2002-06-10 | 2004-01-15 | Pegasus Sewing Mach Mfg Co Ltd | Thin cylindrical sewing machine |
| CN203411763U (en) * | 2013-08-24 | 2014-01-29 | 中捷缝纫机股份有限公司 | Synchronous feeding device of sewing machine |
| CN204211942U (en) * | 2014-10-30 | 2015-03-18 | 林日长 | A kind of lifting device of sewing machine cloth-dragging wheel |
| CN206157343U (en) * | 2016-08-31 | 2017-05-10 | 苏州市志诚机械有限公司 | A pinch roller subassembly and sewing machine for sewing machine |
-
2016
- 2016-08-31 CN CN201610780357.5A patent/CN106222893B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001120870A (en) * | 1999-10-26 | 2001-05-08 | Juki Corp | Method for controlling tip pulling roller of sewing machine and device therefor |
| JP2004008629A (en) * | 2002-06-10 | 2004-01-15 | Pegasus Sewing Mach Mfg Co Ltd | Thin cylindrical sewing machine |
| CN203411763U (en) * | 2013-08-24 | 2014-01-29 | 中捷缝纫机股份有限公司 | Synchronous feeding device of sewing machine |
| CN204211942U (en) * | 2014-10-30 | 2015-03-18 | 林日长 | A kind of lifting device of sewing machine cloth-dragging wheel |
| CN206157343U (en) * | 2016-08-31 | 2017-05-10 | 苏州市志诚机械有限公司 | A pinch roller subassembly and sewing machine for sewing machine |
Non-Patent Citations (1)
| Title |
|---|
| 孙金阶: "《服装机械原理》", 30 June 1997, 中国纺织出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113005646A (en) * | 2021-03-05 | 2021-06-22 | 苏州琼派瑞特电子科技有限公司 | Feeding mop mechanism for overedger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106222893B (en) | 2022-04-15 |
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