CN203878334U - Knife set for computer thread trimming of overedger - Google Patents
Knife set for computer thread trimming of overedger Download PDFInfo
- Publication number
- CN203878334U CN203878334U CN201420307942.XU CN201420307942U CN203878334U CN 203878334 U CN203878334 U CN 203878334U CN 201420307942 U CN201420307942 U CN 201420307942U CN 203878334 U CN203878334 U CN 203878334U
- Authority
- CN
- China
- Prior art keywords
- knife
- cutter group
- side draught
- rear end
- knife rest
- 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.)
- Expired - Lifetime
Links
- 238000009966 trimming Methods 0.000 title claims abstract description 18
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
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- Treatment Of Fiber Materials (AREA)
Abstract
The utility model provides a knife set for computer thread trimming of an overedger, and aims to provide the knife set for computer thread trimming of the overedger, wherein the service life of the knife set can be greatly prolonged, accurate thread trimming can be achieved, and no air source is needed. The knife set comprises a knife rest and an eccentric connecting rod, the eccentric connecting rod is connected with a motor spindle, a fixed knife of a side suction knife set is installed below the rear end of the knife rest, a thread fluff exhaust opening is formed in the outer side of the fixed knife, the rear end of the eccentric connecting rod is connected with a movable knife of the side suction knife set, the fixed knife of the side suction knife set corresponds to the movable knife of the side suction knife set in an up-and-down mode, and the front end of the eccentric connecting rod is deviated from the front end of the knife rest.
Description
Technical field
The utility model relates to a kind of thread cutting device, particularly relates to a kind of overlock machine computer trimming cutter group.
Background technology
Overlock machine trimming is the difficult problem in sewing tech always, and former suction-type trimming has a mode to drive movable cutter set by cutter group, and a kind of is traditional mode, and a fork is installed on the moving knife of cutting knife group, is connected with overlock machine spindle.Overlock machine working at high speed, cutter group and its synchronization action.There is a connecting rod the second cutting knife group moving knife top, links a pneumatic element after connecting rod, and action before and after pneumatic element, drives the action of cutting knife group power, completes tangent line.
The shortcoming of above two kinds of modes is, the first shortcoming, and cutter group is because frequently tell motion, causes rapid wear, perishable, service life is short.The second drives movable cutter set shortcoming, although controlled roll setting, has greatly improved the service life of cutter group, and cylinder can not be accomplished the accurate roll setting of gapless, and line perspective error is large, and must have source of the gas to use.
Utility model content
The technical problems to be solved in the utility model is to provide one can extend cutter group service life greatly, accurate tangent line again, and without the overlock machine computer trimming cutter group of source of the gas.
For reaching above-mentioned purpose, the utility model provides described in a kind of overlock machine computer trimming cutter group and comprises knife rest and eccentric ratio by cutter group, described eccentric ratio connects electric machine main shaft, below, described knife rest rear end is provided with side draught cutter group stationary knife, described stationary knife outside is provided with line hair inlet scoop, described eccentric ratio rear end is connected with side draught cutter group moving knife, and described side draught cutter group stationary knife is corresponding up and down with described side draught cutter group moving knife, and described eccentric ratio front end departs from described knife rest front end.
The utility model, top, wherein said knife rest rear end is provided with stage clip, and described stage clip bottom extends to described side draught cutter group moving knife outside.
The utility model, wherein said stage clip is screwed and is installed to top, described knife rest rear end.
The utility model, the front end of wherein said eccentric ratio is connected with described electric machine main shaft by eccentric shaft.
The utility model difference from prior art is that the utility model obtained following technique effect:
Because side draught cutter group stationary knife is connected with eccentric ratio, the front end of eccentric ratio links with eccentric wheel again, and eccentric wheel is connected with direct current generator main shaft again.Motor rotarily drives eccentric wheel rotation like this, and eccentric wheel drives eccentric ratio rotation, and eccentric ratio, under eccentric theory of mechanics, drives moving knife to seesaw, and completes tangent line, has increased trimming precision, can extensive use in the factory that there is no in a large number source of the gas.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model overlock machine computer trimming cutter group;
Fig. 2 is that the utility model overlock machine computer trimming cutter group horizontally rotates the structural representation after 180 °.
Description of reference numerals: 1-knife rest; 2-motor; 3-eccentric ratio; 4-eccentric wheel; 5-side draught cutter group stationary knife; 6-stage clip; 7-inlet scoop; 8-side draught cutter group moving knife.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical characterictic and the advantage with other above-mentioned to the utility model are described in more detail.
Referring to Fig. 1 and Fig. 2, a kind of overlock machine computer trimming cutter group, comprise the knife rest 1 that can be arranged on overlock machine, the rear end of knife rest 1 is provided with side draught cutter group stationary knife 5, the correspondence front of side draught cutter group stationary knife 5 is inlet scoops 7, another side and the side draught cutter group moving knife 8 of side draught cutter group stationary knife 5 are corresponding, moving knife 8 is fixed on knife rest 1, side draught cutter group moving knife 8 fronts are provided with stage clip 6, in the middle of stage clip 6, be provided with aperture, be screwed on knife rest 1, the upper end link eccentric ratio 3 of side draught cutter group moving knife 8, the front end of eccentric ratio 3 is connected with eccentric wheel 4, eccentric wheel 4 is arranged on the main shaft of motor 2.
When use, motor 2 rotates, band movable eccentric wheel 4 rotates, eccentric wheel 4 rotates and drives eccentric ratio 3 to rotate, under eccentric theory of mechanics, eccentric ratio 3 drives side draught cutter group moving knife 8 to seesaw, and side draught stationary knife 5 matches, and completes perfect tangent line, can alleviate labor strength, and increase productivity.
Above-described embodiment is described preferred embodiment of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skill in the art make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (4)
1. an overlock machine computer trimming cutter group, it is characterized in that: describedly comprise knife rest and eccentric ratio by cutter group, described eccentric ratio connects electric machine main shaft, below, described knife rest rear end is provided with side draught cutter group stationary knife, described stationary knife outside is provided with line hair inlet scoop, described eccentric ratio rear end is connected with side draught cutter group moving knife, and described side draught cutter group stationary knife is corresponding up and down with described side draught cutter group moving knife, and described eccentric ratio front end departs from described knife rest front end.
2. overlock machine computer trimming cutter group as claimed in claim 1, is characterized in that: top, described knife rest rear end is provided with stage clip, and described stage clip bottom extends to described side draught cutter group moving knife outside.
3. overlock machine computer trimming cutter group as claimed in claim 2, is characterized in that: described stage clip is screwed and is installed to top, described knife rest rear end.
4. overlock machine computer trimming cutter group as claimed in claim 1, is characterized in that: the front end of described eccentric ratio is connected with described electric machine main shaft by eccentric shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307942.XU CN203878334U (en) | 2014-06-11 | 2014-06-11 | Knife set for computer thread trimming of overedger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420307942.XU CN203878334U (en) | 2014-06-11 | 2014-06-11 | Knife set for computer thread trimming of overedger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203878334U true CN203878334U (en) | 2014-10-15 |
Family
ID=51678852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420307942.XU Expired - Lifetime CN203878334U (en) | 2014-06-11 | 2014-06-11 | Knife set for computer thread trimming of overedger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203878334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790131A (en) * | 2015-05-14 | 2015-07-22 | 天津市中马骏腾精密机械制造有限公司 | Side suction thread shearing device of industrial sewing machine |
| CN105506872A (en) * | 2015-12-22 | 2016-04-20 | 强信机械科技(莱州)有限公司 | Knife set for combined overseam machine computer trimming device |
-
2014
- 2014-06-11 CN CN201420307942.XU patent/CN203878334U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790131A (en) * | 2015-05-14 | 2015-07-22 | 天津市中马骏腾精密机械制造有限公司 | Side suction thread shearing device of industrial sewing machine |
| CN105506872A (en) * | 2015-12-22 | 2016-04-20 | 强信机械科技(莱州)有限公司 | Knife set for combined overseam machine computer trimming device |
| CN105506872B (en) * | 2015-12-22 | 2017-10-17 | 强信机械科技(莱州)有限公司 | Compound money overedger computer cutting facility knife group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210805 Address after: 2 / F, no.25-1, Hongcao Road, Xuhui District, Shanghai 200030 Patentee after: Shanghai xunmi Internet of things Technology Co.,Ltd. Address before: 200333 room 602, No. 17, Lane 875, Jinshajiang Road, Putuo District, Shanghai Patentee before: Qian Xiongfeng |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |