CN106222892A - The pinch roller assembly of a kind of sewing machine and sewing machine - Google Patents
The pinch roller assembly of a kind of sewing machine and sewing machine Download PDFInfo
- Publication number
- CN106222892A CN106222892A CN201610776827.0A CN201610776827A CN106222892A CN 106222892 A CN106222892 A CN 106222892A CN 201610776827 A CN201610776827 A CN 201610776827A CN 106222892 A CN106222892 A CN 106222892A
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- CN
- China
- Prior art keywords
- pressure wheel
- sewing machine
- pinch roller
- upper pressure
- assembly
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
- D05B27/14—Work-feeding means with rotary circular feed members rotating discontinuously
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
nullThe present invention discloses the pinch roller assembly of a kind of 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 includes rotating the upper pressure wheel after being arranged on described needle、The lower pressure wheel assembly being arranged on described operation planar、And drive described upper pressure wheel along with the transmission component of described needle and to control the lifting assembly that described upper pressure wheel rises or declines，Described upper pressure wheel offsets with described lower pressure wheel assembly after declining，Described upper pressure wheel is synchronous rolling when described needle works，Owing to the present invention is provided with upper pressure wheel and lower pressure wheel after sewing machine needle，Upper pressure wheel rotates along with the work of needle，Lower pressure wheel is as the driven pulley of upper pressure wheel，Such that it is able to thicker cloth is pushed forward，Reach the technical purpose of automatic cloth feed.
Description
Technical field
The present invention relates to sewing machine field, the pinch roller assembly of a kind of 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 of sewing machine, described sewing machine include operating platform, the housing being arranged on described operation planar and
Needle on the housing is set, described pinch roller assembly include rotating the upper pressure wheel after being arranged on described needle,
The lower pressure wheel assembly that is arranged on described operation planar and drive described upper pressure wheel along with the transmission component of described needle
Rising or the lifting assembly of decline with controlling described upper pressure wheel, described upper pressure wheel offsets with described lower pressure wheel assembly after declining,
Described upper pressure wheel is synchronous rolling when described needle works.
Preferably, described operation planar being provided with groove, described lower pressure wheel assembly is arranged in described groove.
It is further preferred that the bottom roller axle, sheathed that described lower pressure wheel assembly includes being fixedly installed with described operation planar
At least two unilateral bearing on described bottom roller axle, the lower pressure wheel being set in outside described unilateral bearing.
Preferably, described upper pressure wheel rotates and is arranged on turning rolls, and described lifting assembly includes connect fixing with described housing
The support that connects, vertically it is slidably arranged in the compressor arm on described support and controls the control group of described compressor arm upper-lower position
Part, described compressor arm is fixedly connected with described turning rolls.
It is further preferred that be fixedly installed guide pad on described turning rolls, described support is fixedly installed with described
The guide card that guide pad matches.
It is further preferred that described control assembly includes being fixedly installed on the spring base at described compressor arm top, being arranged on
The stage clip being vertically arranged on described spring base, the regulation set being arranged on described stage clip top and rotation are arranged on described support
On lift block, described regulation set top be connected with the top of described support, described lift block includes shaft and cam part,
The edge part of spring base horizontally outward protrudes and is provided with convex edge, and described cam part supports the lower surface being located at described convex edge.
Preferably, described sewing machine also includes a main shaft driving described needle, and described main shaft also synchronizes to drive
Described upper pressure wheel rolls.
It is further preferred that described transmission component includes the power transmission shaft arranged in parallel with described main shaft and upper roller
Axle, the eccentric being fixedly installed on described main shaft, turning set are located at the connecting rod of eccentric wheel outside described eccentric, are fixedly installed on
On described power transmission shaft and the first swing arm of setting perpendicular with described power transmission shaft and the second swing arm, rotate and be arranged on described
The 3rd swing arm on roller shaft and two ends respectively with swinging end and the swinging end of the 3rd swing arm of described second swing arm
The connecting rod being rotationally connected, the swinging end of described first swing arm rotates with the outer end of described connecting rod of eccentric wheel and is connected, described on
Roller shaft and described 3rd swing arm are rotated by unilateral bearing and are connected.
It is connected it is further preferred that described first swing arm swinging end is rotated with described connecting rod of eccentric wheel by elongated hole,
The swinging end of described second swing arm is connected with described link rotatable by elongated hole.
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 upper pressure wheel and lower pressure wheel after sewing machine needle, upper pressure wheel is along with the work of needle
Rotating, lower pressure wheel, as the driven pulley of upper pressure wheel, such that it is able to pushed forward by thicker cloth, reaches the technology of automatic cloth feed
Purpose.
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, upper pressure wheel；2, lower pressure wheel；3, bottom roller axle；4, groove；5, turning rolls；6, support；7, compress
Bar；8, guide pad；9, guide card；10, spring base；11, stage clip；12, lift block；13, turning handle；14, power transmission shaft；15, on
Roller shaft；16, eccentric；17, connecting rod of eccentric wheel；18, the first swing arm；19, the second swing arm；20, the 3rd swing arm；21、
Connecting rod；22, unidirectional needle bearing；23, regulation set；24, needle bearing.
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 a kind of operating platform of sewing machine shown in accompanying drawing 1, the housing being arranged on operation planar and be arranged on shell
Needle on body and pinch roller assembly, pinch roller assembly includes rotating the upper pressure wheel after being arranged on needle 1, being arranged on operation
Lower pressure wheel assembly in plane and drive upper pressure wheel 1 along with the transmission component of needle and control upper pressure wheel 1 rise or
The lifting assembly declined, upper pressure wheel 1 offsets with lower pressure wheel assembly after declining, and upper pressure wheel 1 is synchronous rolling when needle works.
Being provided with groove 4 on operation planar, lower pressure wheel assembly rotates and is arranged in groove 4.Lower pressure wheel assembly includes solid with operation planar
Fixed arrange bottom roller axle 3, three unilateral bearings being set on bottom roller axle 3, the lower pressure wheel 2 that is set in outside unilateral bearing.
Upper pressure wheel 1 rotates and is arranged on turning rolls 5, and lifting assembly includes the support 6 being fixedly connected with the casing, is vertically slidably arranged in
Compressor arm 7 on frame 6 and the control assembly of control compressor arm 7 upper-lower position, compressor arm 7 is fixedly connected with turning rolls 5.
Three unilateral bearings on bottom roller axle 3 use bearing spacer to separate.Lower pressure wheel is as the driven pulley of upper pressure wheel, such that it is able to incite somebody to action
Thicker cloth pushes forward.
Control assembly to include being fixedly installed on the spring base 10 at compressor arm 7 top, be arranged on spring base 10 and be vertically arranged
Stage clip 11, be arranged on the regulation set 23 at stage clip 11 top and rotate lift block 12 on the frame 6 is set, regulate set 23
Top be connected with the top of support 6, lift block 12 includes shaft and cam part, and the edge part of spring base 10 is the most convex
Going out and be provided with convex edge, cam part supports the lower surface being located at convex edge, and shaft is fixing with turning handle 13 to be connected.
It is fixedly installed guide pad 8 on turning rolls 5, support 6 is fixedly installed and leads 8 guide cards 9 matched to block,
To guide the up and down motion of upper pressure wheel 1.
Sewing machine also includes the main shaft of a driving needle, and main shaft also synchronizes to drive upper pressure wheel 1 to roll.Transmission component
Including the power transmission shaft 14 arranged in parallel with main shaft and upper roller shaft 15, the eccentric 16 being fixedly installed on main shaft, rotate
The connecting rod of eccentric wheel 17 that is set in outside eccentric 16, it is fixedly installed on power transmission shaft 14 and the of setting perpendicular with power transmission shaft 14
One swing arm 18 and the second swing arm 19, rotate the 3rd swing arm 20 being arranged on upper roller shaft 15 and two ends respectively with
The connecting rod 21 that the swinging end of the second swing arm 19 and the swinging end of the 3rd swing arm 20 are rotationally connected, the swing of the first swing arm 18
End rotates with the outer end of connecting rod of eccentric wheel 17 and is connected, and upper roller shaft 1 and the 3rd swing arm 20 are rotated even by unilateral bearing
Connecing, in the present embodiment, the unilateral bearing between upper roller shaft 1 and the 3rd swing arm 20 is unidirectional needle bearing 22, eccentric 16 with
Needle bearing 24 it is provided with between connecting rod of eccentric wheel 17.By the second swing arm 19, connecting rod 21 and the cooperation of the 3rd swing arm 20,
The differing heights enabling to regulation upper pressure wheel 1 does not the most affect the transmission of transmission component.Further, upper roller shaft 1 and the 3rd swings
Unilateral bearing between bar 20 matches with the eccentric being arranged on main shaft so that upper pressure wheel 1 only leaves at needle
Cloth is dragged in the time period of cloth.
First swing arm 18 swinging end is rotated with connecting rod of eccentric wheel 17 by elongated hole and is connected, the swing of the second swing arm 19
End is rotationally connected with connecting rod 21 by elongated hole.
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 (10)
1. a pinch roller assembly for sewing machine, described sewing machine includes operating platform, the housing being arranged on described operation planar
With the needle arranged on the housing, it is characterised in that: described pinch roller assembly includes that rotation is arranged on described sewing machine
Upper pressure wheel, the lower pressure wheel assembly being arranged on described operation planar after pin and drive described upper pressure wheel along with described sewing
The transmission component of eedle and control described upper pressure wheel rise or decline lifting assembly, described upper pressure wheel decline after with described under
Pinch roller assembly offsets, and described upper pressure wheel 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: it is provided with recessed on described operation planar
Groove, described lower pressure wheel assembly is arranged in described groove.
A kind of sewing machine pinch roller assembly the most according to claim 2, it is characterised in that: described lower pressure wheel assembly includes and institute
State bottom roller axle, at least two unilateral bearing being set on described bottom roller axle that operation planar is fixedly installed, be set in institute
State the lower pressure wheel outside unilateral bearing.
A kind of sewing machine pinch roller assembly the most according to claim 1, it is characterised in that: described upper pressure wheel rotates and is arranged on rolling
On wheel carrier, described lifting assembly include fixing with described housing be connected support, be vertically slidably arranged in the pressure on described support
Tight bar and control the control assembly of described compressor arm upper-lower position, described compressor arm is fixedly connected with described turning rolls.
A kind of sewing machine pinch roller assembly the most according to claim 4, it is characterised in that: it is fixedly installed on described turning rolls
Guide pad, described support is fixedly installed the guide card matched with described guide pad.
A kind of sewing machine pinch roller assembly the most according to claim 4, it is characterised in that: described control assembly includes fixing setting
Put the spring base at described compressor arm top, be arranged on described spring base be vertically arranged stage clip, be arranged on described stage clip top
The regulation set in portion and rotation arrange lift block on the bracket, the top of described regulation set and the top of described support
Connecting, described lift block includes shaft and cam part, and the edge part of spring base horizontally outward protrudes and is provided with convex edge, described
Cam part supports the lower surface being located at described convex edge.
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 upper pressure wheel to roll.
A kind of sewing machine pinch roller assembly the most according to claim 7, it is characterised in that: described transmission component includes with described
Power transmission shaft and upper roller shaft, the eccentric being fixedly installed on described main shaft, turning set that main shaft is arranged in parallel are located at institute
State the connecting rod of eccentric wheel outside eccentric, be fixedly installed on described power transmission shaft and the first pendulum of setting perpendicular with described power transmission shaft
Lever and the second swing arm, rotate the 3rd swing arm and two ends being arranged on described upper roller shaft respectively with described second
The connecting rod that the swinging end of swing arm and the swinging end of the 3rd swing arm are rotationally connected, the swinging end of described first swing arm is with described
The outer end of connecting rod of eccentric wheel rotates connection, and described upper roller shaft and described 3rd swing arm are rotated company by unilateral bearing
Connect.
A kind of sewing machine pinch roller assembly the most according to claim 8, it is characterised in that: described first swing arm swinging end leads to
Crossing elongated hole to rotate with described connecting rod of eccentric wheel and be connected, the swinging end of described second swing arm is by elongated hole and described link rotatable
Connect.
10. the sewing machine of the sewing machine pinch roller assembly that a kind has described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610776827.0A CN106222892B (en) | 2016-08-31 | 2016-08-31 | Pressing wheel assembly of sewing machine and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610776827.0A CN106222892B (en) | 2016-08-31 | 2016-08-31 | Pressing wheel assembly of sewing machine and sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106222892A true CN106222892A (en) | 2016-12-14 |
| CN106222892B CN106222892B (en) | 2022-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610776827.0A Active CN106222892B (en) | 2016-08-31 | 2016-08-31 | Pressing wheel assembly of sewing machine and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106222892B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354595A (en) * | 2017-08-18 | 2017-11-17 | 宁波三合鑫自动化有限公司 | Sewing machine cloth conveying mechanism |
| CN110117875A (en) * | 2019-06-11 | 2019-08-13 | 标准缝纫机菀坪机械有限公司 | A kind of feeding structure of plate sewing machine |
| 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4851742A (en) * | 1971-10-29 | 1973-07-20 | Opti Holding Ag | |
| JP2006191969A (en) * | 2005-01-11 | 2006-07-27 | Juki Corp | Puller device of sewing machine |
| CN102605564A (en) * | 2012-03-31 | 2012-07-25 | 浙江百惠缝纫机有限公司 | Pulling device of multi-needle quilting machine and presser foot lifting device |
| CN204058889U (en) * | 2014-09-05 | 2014-12-31 | 西安标准工业股份有限公司 | A kind of Sewing machines with two-wheel cloth feeding mechanism |
| CN204211942U (en) * | 2014-10-30 | 2015-03-18 | 林日长 | A kind of lifting device of sewing machine cloth-dragging wheel |
| CN206157342U (en) * | 2016-08-31 | 2017-05-10 | 苏州市志诚机械有限公司 | Sewing machine's pinch roller subassembly and sewing machine |
-
2016
- 2016-08-31 CN CN201610776827.0A patent/CN106222892B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4851742A (en) * | 1971-10-29 | 1973-07-20 | Opti Holding Ag | |
| JP2006191969A (en) * | 2005-01-11 | 2006-07-27 | Juki Corp | Puller device of sewing machine |
| CN102605564A (en) * | 2012-03-31 | 2012-07-25 | 浙江百惠缝纫机有限公司 | Pulling device of multi-needle quilting machine and presser foot lifting device |
| CN204058889U (en) * | 2014-09-05 | 2014-12-31 | 西安标准工业股份有限公司 | A kind of Sewing machines with two-wheel cloth feeding mechanism |
| CN204211942U (en) * | 2014-10-30 | 2015-03-18 | 林日长 | A kind of lifting device of sewing machine cloth-dragging wheel |
| CN206157342U (en) * | 2016-08-31 | 2017-05-10 | 苏州市志诚机械有限公司 | Sewing machine's pinch roller subassembly and sewing machine |
Non-Patent Citations (1)
| Title |
|---|
| 孙金阶编著: "《服装机械原理》", 30 June 1997, 中国纺织出版社 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354595A (en) * | 2017-08-18 | 2017-11-17 | 宁波三合鑫自动化有限公司 | Sewing machine cloth conveying mechanism |
| CN107354595B (en) * | 2017-08-18 | 2022-11-15 | 宁波三合鑫自动化有限公司 | Cloth conveying mechanism of sewing machine |
| CN110117875A (en) * | 2019-06-11 | 2019-08-13 | 标准缝纫机菀坪机械有限公司 | A kind of feeding structure of plate sewing machine |
| CN110117875B (en) * | 2019-06-11 | 2024-02-27 | 标准缝纫机菀坪机械有限公司 | Feeding structure of panel sewing machine |
| 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 |
|---|---|
| CN106222892B (en) | 2022-04-15 |
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