CN108221201A - A kind of looper axial direction driving structure - Google Patents
A kind of looper axial direction driving structure Download PDFInfo
- Publication number
- CN108221201A CN108221201A CN201810003900.XA CN201810003900A CN108221201A CN 108221201 A CN108221201 A CN 108221201A CN 201810003900 A CN201810003900 A CN 201810003900A CN 108221201 A CN108221201 A CN 108221201A
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- CN
- China
- Prior art keywords
- looper
- connecting rod
- lower axle
- axial direction
- fixed operating
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- 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.)
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Classifications
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- 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 provides a kind of looper axial direction driving structures, including lower axle, looper connecting rod, lower axle crank, bending rack axis, bending rack and looper, lower axle and the original spherical surface connection of looper small end are substituted by cylindrical surface connection, grinding wheel that can preferably on common market, reduces processing cost；The original spherical surface connection of lower axle crank is separated into two part separate machineds, greatly reduces difficulty of processing；Original needs are also cancelled to limit the ratio of looper connecting rod position fork, are limited in itself with the cooperation of lower axle by looper connecting rod, simplify original structure.The apparatus structure is simple, easily fabricated, reduces production cost.
Description
Technical field：
The present invention relates to a kind of looper driving structures of flat seaming machine.
Background technology：
The looper axial direction driving structure on flat seaming machine is looper connecting rod driving structure at present, and looper looper connecting rod leads to lower axle
Spherical surface connection is crossed, looper looper connecting rod is connect with lower axle crank by spherical surface, and such connection mode is also needed in looper looper
Increase a position coordinated to stablize looper looper connecting rod than fork and lower axle crank on connecting rod.Cause manufacture cost higher,
And the spherical surface difficulty of processing on lower axle, looper looper connecting rod, lower axle crank is big, while processes its grinding wheel life cycle
It is short.
It is as shown in Figure 1 existing looper axial direction driving structure, including lower axle 1, looper connecting rod 3, lower axle crank 6, looper
Frame axis 7 and bending rack 8.Eccentric sphere 1a is provided in lower axle 1, the upper end of looper connecting rod 3 is provided with fixed operating sleeve, upper fixation
Connector sleeve has spherical inner concave surface 3a, and flexible connection set 2, upper flexible connection set are correspondingly arranged on above upper fixed operating sleeve
With spherical inner concave surface 2a, the upper upper fixed operating sleeve for being flexibly connected set 2 and 3 upper end of looper connecting rod is by bolts assemblies in bias
Eccentric sphere 1a is simultaneously wrapped up in 1 outside of ball, it is achieved thereby that looper connecting rod 3 is connect with the spherical surface of lower axle 1.
Lower axle crank 6 is fastened on bending rack axis 7, is provided with ball 6a on lower axle crank 6, under 3 lower end of looper connecting rod
Lower flexible connection set 4 is correspondingly arranged below fixed operating sleeve, lower fixed fixed operating sleeve and lower flexible connection set are provided with phase
To spherical inner concave surface, lower flexible connection set 4 be connected by bolt with the lower fixed operating sleeve of 3 lower end of looper connecting rod after by ball
6a packages realize that looper connecting rod 3 is connect with the spherical surface of lower axle crank 6.Due to looper connecting rod 3 upper and lower ends respectively with lower axle 1 and
6 spherical surface of lower axle crank connects, and the position of looper connecting rod 3 is not fixed at this time, can also be around spherical rotation, need to also be in looper connecting rod
One is installed on 3 than fork 5, the position of looper connecting rod is fixed by the cooperation than two planes on fork 5 and lower axle crank.Looper
Frame 8 is fixed on bending rack axis 7, and looper 9 is fixed on bending rack 8.
The structure causes manufacture cost higher, and the spherical surface difficulty of processing on lower axle, looper looper connecting rod, lower axle crank
Greatly, at the same process its grinding wheel life cycle it is also short.
Invention content：
In order to solve the problems, such as background technology, the present invention provides a kind of looper axial direction driving structure, the loopers
Axis drives structure have it is simple in structure, convenient for manufacture the advantages of.
In order to achieve the above objectives, the present invention adopts the following technical scheme that：
A kind of looper axial direction driving structure, including lower axle, looper connecting rod, lower axle crank, bending rack axis, bending rack and curved
Needle, which is characterized in that looper small end is connected by cylindrical surface to be realized and be rotatably connected with lower axle, and looper connecting rod lower end leads to
It crosses split type spherical surface connection and one end of lower axle crank is rotatably connected, the other end of lower axle crank is fixed on bending rack axis
On, bending rack is fastened on bending rack axis, and looper is fastened on bending rack.
The cylindrical surface is connected as：Eccentric cylinder is provided in lower axle, the upper end of looper connecting rod is provided with annular connection
Set, annular connector sleeve are sleeved on eccentric cylinder.
Upper annular connector sleeve includes the upper fixed operating sleeve for being arranged on looper small end, is corresponded to above upper fixed operating sleeve
Flexible connection set is provided with, upper flexible connection set and upper fixed operating sleeve have opposite cylinder inner concave, upper flexible connection
Set is assemblied on the outside of eccentric cylinder with upper fixed operating sleeve and passes through cylinder inner concave and wraps up eccentric cylinder, it is achieved thereby that curved
Needle connecting rod and lower axle are rotatably connected.
The split type Surface of Sphere is connected as：The lower end of looper connecting rod is provided with lower spherical connector sleeve, lower spherical shape connector sleeve
It is wrapped on the outside of spin, the cylindrical hole of the centre of sphere is provided through in spin, connecting cylinder, connecting cylinder are provided on lower axle crank
It penetrates into cylindrical hole and can be slided in cylindrical hole.
Lower spherical shape connector sleeve includes the lower fixed operating sleeve for being arranged on the lower end setting of looper connecting rod, lower fixed operating sleeve
Lower section is correspondingly arranged on lower flexible connection set, and lower fixed operating sleeve and lower flexible connection put on and be provided with opposite spherical indent
Face, lower flexible connection set are wrapped up spin by spherical inner concave surface after being assembled with lower fixed operating sleeve.
There are two parallel cylindrical surfaces for setting in spin, and cylindrical hole is perpendicular to two parallel cylindrical surfaces.
The beneficial effects of the invention are as follows：
1st, lower axle and the original spherical surface connection of looper small end are substituted by cylindrical surface connection, can be preferably general
Grinding wheel in the market reduces processing cost；
2nd, lower axle crank connect with the original spherical surface in looper connecting rod lower end and is separated into two part separate machineds, greatly
Reduce difficulty of processing；
3rd, it is original needs come limit looper looper connecting rod position ratio fork is also cancelled, by looper connecting rod in itself with lower axle
Cooperation limit, simplify original structure.
Description of the drawings：
The present invention is further described below in conjunction with the accompanying drawings
Fig. 1 is looper axial direction driving structure schematic diagram of the prior art；
Fig. 2 is the decomposition texture schematic diagram of looper axis driving structure of the present invention；
Fig. 3 is the integral installation distribution structure schematic diagram of looper axis driving structure of the present invention.
Specific embodiment：
The invention will be further described with specific embodiment for explanation below in conjunction with the accompanying drawings：
Embodiment 1
Shown in Fig. 2, a kind of looper axial direction driving structure includes lower axle 1 including structure, looper connecting rod 3, lower axle crank 6, curved
Punch block axis 7, bending rack 8 and looper 9, eccentric cylinder 1b is provided in lower axle 1, and the upper and lower ends of looper connecting rod 3 are provided with up and down
Fixed operating sleeve, the upper fixed operating sleeve of upper end have cylinder inner concave 3b, work are correspondingly arranged on above upper fixed operating sleeve
Dynamic connector sleeve 2, upper flexible connection set with the cylinder inner concave 2b opposite with cylinder inner concave 3b, upper flexible connection set 2 with it is curved
The upper fixed operating sleeve of needle connecting rod 3 is wrapped up by bolts assemblies on the outside of eccentric cylinder 1b and by eccentric cylinder 1b, so as to fulfill
Looper connecting rod 3 is connect with the cylindrical surface of lower axle 1.Looper connecting rod 3 is realized by cylindrical surface connection and is rotated around lower axle 1.
Connecting cylinder 6b is extended on lower axle crank 6, is cased with spin 6c on connecting cylinder 6b, there are two flat for tool on spin 6c
Capable cylindrical surface 6d, the cylindrical surface 6d parallel perpendicular to two are provided with cylindrical hole, and connecting cylinder 6b is arranged in cylindrical hole simultaneously
It can be slided in cylindrical hole, the lower fixed operating sleeve of looper connecting rod 3 has spherical inner concave surface 3c, the lower section of lower end fixed operating sleeve
Lower flexible connection set 4 is correspondingly arranged on, the spherical inner concave surface opposite with spherical inner concave surface 3c is provided on lower flexible connection set 4
Spin 6c after being connected by bolt with the lower fixed operating sleeve of looper connecting rod 3 is wrapped up and is realized that looper connects by 4a, lower flexible connection set 4
Bar 3 is connect with the Surface of Sphere of lower axle crank 6.In the profile that spin 6c is formed in spherical inner concave surface 4a and spherical inner concave surface 3c freely
It rotates but not drops out.
The fixation of lower axle crank 6 is fastened on by screw on bending rack axis 7, and bending rack 8 is fastened on bending rack axis 7 by screw
On；Looper 9 is fastened on by screw on bending rack 8.As shown in the figure, when lower axle 1 rotates, eccentric cylinder 1b meetings thereon
Looper connecting rod 3 is driven to move up and down, the up and down motion of looper connecting rod 3 can drive swinging up and down for lower axle crank 6, while lower axle is bent
Handle 6 can slide in spin 6c, and the swinging up and down of lower axle crank 6 can drive the rotation of bending rack axis 7 so as to drive bending rack 8
And the axial movement of looper 9.
From figure and matching relationship can be seen that the original spherical surface connection of lower axle 1 and 3 upper end of looper connecting rod and be substituted
It is connected for cylindrical surface, grinding wheel that can preferably on common market, reduction processing cost；6 original spherical surface of lower axle crank connects
Two part separate machineds are separated into, greatly reduce difficulty of processing；It is original to need to limit looper looper connecting rod position
Ratio fork be also cancelled, limited in itself with the cooperation of lower axle by looper connecting rod, simplify original structure.
It will be recognized by those skilled in the art, can be to above-mentioned under the premise of without departing from protection scope of the present invention
Embodiment is carry out various modifications, changes and is combined, and thinks that this modification, variation and combination are the models in originality thought
Within enclosing.
Claims (6)
1. a kind of looper axial direction driving structure, including lower axle, looper connecting rod, lower axle crank, bending rack axis, bending rack and looper,
It is characterized in that, looper small end is connected by cylindrical surface and realizes and be rotatably connected with lower axle, looper connecting rod lower end passes through
Split type spherical surface connection and one end of lower axle crank are rotatably connected, and the other end of lower axle crank is fixed on bending rack axis,
Bending rack is fastened on bending rack axis, and looper is fastened on bending rack.
2. a kind of looper axial direction driving structure as described in claim 1, which is characterized in that the cylindrical surface is connected as：Lower axle
On be provided with eccentric cylinder, the upper end of looper connecting rod is provided with annular connector sleeve, and annular connector sleeve is sleeved on eccentric cylinder.
3. a kind of looper axial direction driving structure as claimed in claim 2, which is characterized in that upper annular connector sleeve includes being arranged on
The upper fixed operating sleeve of looper small end, upper fixed operating sleeve top are correspondingly arranged on flexible connection set, upper flexible connection
Set and upper fixed operating sleeve have opposite cylinder inner concave, and upper flexible connection set is assemblied in eccentric cylinder with upper fixed operating sleeve
Outside simultaneously passes through cylinder inner concave and wraps up eccentric cylinder, it is achieved thereby that looper connecting rod and lower axle are rotatably connected.
A kind of 4. looper axial direction driving structure as described in claim 1, which is characterized in that the split type Surface of Sphere connection
For：The lower end of looper connecting rod is provided with lower spherical connector sleeve, and lower spherical shape connector sleeve is wrapped on the outside of spin, is provided with and wears in spin
The cylindrical hole of the centre of sphere is crossed, is provided with connecting cylinder on lower axle crank, connecting cylinder penetrates into cylindrical hole and can be in cylindrical hole
It slides.
5. a kind of looper axial direction driving structure as claimed in claim 4, which is characterized in that lower spherical shape connector sleeve includes being arranged on
The lower fixed operating sleeve of the lower end setting of looper connecting rod is correspondingly arranged on lower flexible connection set below lower fixed operating sleeve, under
Fixed operating sleeve and lower flexible connection put on and are provided with opposite spherical inner concave surface, and lower flexible connection set is fixedly connected with suit under
Spin is wrapped up by spherical inner concave surface after matching.
6. a kind of looper axial direction driving structure as claimed in claim 5, which is characterized in that there are two parallel for setting in spin
Cylindrical surface, cylindrical hole is perpendicular to two parallel cylindrical surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810003900.XA CN108221201A (en) | 2018-01-03 | 2018-01-03 | A kind of looper axial direction driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810003900.XA CN108221201A (en) | 2018-01-03 | 2018-01-03 | A kind of looper axial direction driving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108221201A true CN108221201A (en) | 2018-06-29 |
Family
ID=62642713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810003900.XA Pending CN108221201A (en) | 2018-01-03 | 2018-01-03 | A kind of looper axial direction driving structure |
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| Country | Link |
|---|---|
| CN (1) | CN108221201A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194372Y (en) * | 1993-11-01 | 1995-04-12 | 湖南工业缝纫机厂 | Chain thread curved needle gearing mechanism for medium speed sewing machine |
| JP2003033594A (en) * | 2001-07-19 | 2003-02-04 | Juki Corp | Needle-bar-driving mechanism |
| CN2592680Y (en) * | 2002-12-26 | 2003-12-17 | 上海泗水工贸有限公司 | Thread-pushing bent-needle mechanism for chain bead-edge sewing machine |
| CN106930011A (en) * | 2017-03-20 | 2017-07-07 | 陈树滔 | A kind of looper string-hooking mechanism of rumble pin machine |
| CN107059270A (en) * | 2016-12-28 | 2017-08-18 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its damper mechanism |
| CN206706347U (en) * | 2017-05-05 | 2017-12-05 | 浙江美机缝纫机有限公司 | The main driving bent axle of industrial sewing machines |
-
2018
- 2018-01-03 CN CN201810003900.XA patent/CN108221201A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194372Y (en) * | 1993-11-01 | 1995-04-12 | 湖南工业缝纫机厂 | Chain thread curved needle gearing mechanism for medium speed sewing machine |
| JP2003033594A (en) * | 2001-07-19 | 2003-02-04 | Juki Corp | Needle-bar-driving mechanism |
| CN2592680Y (en) * | 2002-12-26 | 2003-12-17 | 上海泗水工贸有限公司 | Thread-pushing bent-needle mechanism for chain bead-edge sewing machine |
| CN107059270A (en) * | 2016-12-28 | 2017-08-18 | 杰克缝纫机股份有限公司 | A kind of sewing machine and its damper mechanism |
| CN106930011A (en) * | 2017-03-20 | 2017-07-07 | 陈树滔 | A kind of looper string-hooking mechanism of rumble pin machine |
| CN206706347U (en) * | 2017-05-05 | 2017-12-05 | 浙江美机缝纫机有限公司 | The main driving bent axle of industrial sewing machines |
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Application publication date: 20180629 |