CN206873085U - A kind of thread cutting mechanism of feed sewing machine up and down - Google Patents
A kind of thread cutting mechanism of feed sewing machine up and down Download PDFInfo
- Publication number
- CN206873085U CN206873085U CN201720640251.5U CN201720640251U CN206873085U CN 206873085 U CN206873085 U CN 206873085U CN 201720640251 U CN201720640251 U CN 201720640251U CN 206873085 U CN206873085 U CN 206873085U
- Authority
- CN
- China
- Prior art keywords
- moving knife
- knife
- connecting rod
- rack
- movable
- 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.)
- Active
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
It the utility model is related to sewing-machine equipment technical field, and in particular to a kind of thread cutting mechanism of feed sewing machine up and down.Including carriage saddle, tangent line drive shaft, tangent line driving crank, moving knife component and secondary moving knife component, the carriage saddle is mounted on sewing machine case, the moving knife component is made up of moving knife, movable knife rack, movable knife rack connecting rod, the moving knife is mounted on movable knife rack, the movable knife rack is movably set on carriage saddle, can be around carriage saddle gyration, one end of the movable knife rack connecting rod is connected by axial screw and movable knife rack, and its other end is connected by axial screw drives one end of crank in tangent line.The utility model passes through a series of design for the secondary moving knife component being made up of connecting rods, so that moving knife is with time moving knife, move toward one another is completed to shear simultaneously, compared with prior art, hence it is evident that reduce the angle of revolution of moving knife, so that the end of a thread stayed in after automatic shearing on sewing is shorter, it is ensured that the quality of sewed product.
Description
Technical field
It the utility model is related to sewing-machine equipment technical field, and in particular to a kind of thread trimmer of feed sewing machine up and down
Structure.
Background technology
The thread cutting mechanism of existing sewing machine is dynamic, stationary knife structure, and its operating principle is：Carriage saddle is fixed on casing with screw
On, movable knife rack is enclosed on carriage saddle, can do gyration, and moving knife is fixed with movable knife rack with screw, movable knife rack and knife rest connecting rod
One end is fixed with axial screw, and the other end of knife rest connecting rod is equally bent with axial screw connection tangent line driving crank, tangent line driving
Handle is fixed in tangent line drive shaft with screw.During automatic shearing, shearing force drives crank band by the tangent line in tangent line drive shaft
Movable knife rack connecting rod, the moving knife being delivered on movable knife rack turns to stationary knife, reaches moving knife and the tangent purpose of stationary knife, so as to which suture be cut
It is disconnected.Because stationary knife is integrally fixed on casing, relies solely on moving knife and go to the position of stationary knife blade and realize the purpose of tangent line, therefore from
The end of a thread length left after dynamic trimming is determined by the anglec of rotation of moving knife, but the anglec of rotation of existing moving knife is larger,
The end of a thread left after trimming is longer, influences the next process of sewed product and the outward appearance of sewed product.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of thread cutting mechanism of feed sewing machine up and down.
Technical solutions of the utility model are as follows：
A kind of thread cutting mechanism of feed sewing machine up and down, including carriage saddle, tangent line drive shaft, tangent line driving crank, moving knife
Component and secondary moving knife component, the carriage saddle are mounted on sewing machine case, the moving knife component by moving knife, movable knife rack,
Movable knife rack connecting rod is formed, and the moving knife is mounted on movable knife rack, and the movable knife rack is movably set on carriage saddle, can be around knife
Stand gyration, one end of the movable knife rack connecting rod are connected by axial screw and movable knife rack, and its other end passes through axle
Position screw is connected is mounted on tangent line driving in one end of tangent line driving crank, the other end of the tangent line driving crank
On axle, the secondary moving knife component is by secondary moving knife, secondary movable knife rack, secondary movable knife rack connecting rod, secondary moving knife connecting rod and secondary moving knife crank connecting link
Form, the secondary moving knife is mounted on time movable knife rack, and the secondary movable knife rack is also movably set on carriage saddle, also can be around knife
Stand gyration, the secondary L-shaped structure of moving knife connecting rod, the turning point of its " L " shape structure is rotated by axial screw to be connected
It is connected on sewing machine case, one end of the secondary movable knife rack connecting rod is connected by axial screw and time movable knife rack, and its is another
End is connected in one end of secondary moving knife connecting rod " L " shape structure by axial screw, secondary moving knife connecting rod " L " the shape structure it is another
One end is connected by axial screw and is driven in one end of secondary moving knife crank connecting link, the other end of the secondary moving knife crank connecting link
It is connected on the axial screw of connection movable knife rack connecting rod and tangent line driving crank, during shearing work, the moving knife and secondary moving knife phase
To motion.
The beneficial effects of the utility model are：By a series of design for the secondary moving knife component being made up of connecting rods so that
Moving knife with time moving knife complete to shear simultaneously by move toward one another, compared with prior art, hence it is evident that reduce the angle of revolution of moving knife so that automatic
The end of a thread stayed in after trimming on sewing is shorter, it is ensured that the quality of sewed product.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model.
Wherein：1st, secondary movable knife rack connecting rod；2nd, secondary moving knife crank connecting link；3rd, tangent line driving crank；4th, tangent line drive shaft；5th, move
Knife；6th, carriage saddle；7th, secondary moving knife；8th, secondary movable knife rack；9th, movable knife rack connecting rod；10th, movable knife rack；11st, secondary moving knife connecting rod.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Refering to Fig. 1, a kind of thread cutting mechanism of feed sewing machine up and down, including the driving of carriage saddle 6, tangent line drive shaft 4, tangent line
Crank 3, moving knife component and secondary moving knife component, the carriage saddle 6 are mounted on sewing machine case, and the moving knife component is by moving
Knife 5, movable knife rack 10, movable knife rack connecting rod 9 are formed, and the moving knife 5 is mounted on movable knife rack 10, the movable sleeve of movable knife rack 10
On carriage saddle 6, axial screw and movable knife rack 10 can be passed through around the gyration of carriage saddle 6, one end of the movable knife rack connecting rod 9
Drive connection, its other end is connected by axial screw drives one end of crank 3 in tangent line, and the tangent line drives crank 3
The other end be mounted in tangent line drive shaft 4, the secondary moving knife component by secondary moving knife 7, secondary movable knife rack 8, secondary movable knife rack connect
Bar 1, secondary moving knife connecting rod 11 and secondary moving knife crank connecting link 2 are formed, and the secondary moving knife 7 is mounted on time movable knife rack 8, described time
Movable knife rack 8 is also movably set on carriage saddle 6, also can be around the gyration of carriage saddle 6, the secondary 11 L-shaped knot of moving knife connecting rod
Structure, the turning point of its " L " shape structure are rotationally connected with sewing machine case by axial screw, the secondary movable knife rack connecting rod 1
One end is connected by axial screw and time movable knife rack 8, and its other end is connected in secondary moving knife connecting rod by axial screw
One end of 11 " L " shape structures, the other end of secondary moving knife connecting rod 11 " L " the shape structure are connected in secondary dynamic by axial screw
One end of knife crank connecting link 2, the other end of the secondary moving knife crank connecting link 2 are connected in connection movable knife rack connecting rod 9 and tangent line
On the axial screw for driving crank 3, during shearing work, the moving knife 5 and time move toward one another of moving knife 7.
During trimming：Shearing force drives tangent line to drive crank 3 to rotate by tangent line drive shaft 4, is on the one hand driven by tangent line
Crank 3 drives movable knife rack connecting rod 9, the moving knife 5 being delivered on movable knife rack 10 so that moving knife 5 turns to time moving knife 7, on the other hand cuts
Line driving crank 3 drives time moving knife crank connecting link 2, then passes sequentially through time moving knife connecting rod 11, secondary movable knife rack connecting rod 1, secondary movable knife rack
8, the secondary moving knife 7 being delivered on time movable knife rack 8 so that secondary moving knife 7 turns to moving knife 5 simultaneously, when moving knife 5 and tangent time moving knife 7,
Suture shearing work is completed, passes through the design of secondary moving knife component so that moving knife 5 with time moving knife 7 complete to cut simultaneously by move toward one another
Cut, compared with prior art, hence it is evident that reduce the angle of revolution of moving knife so that the end of a thread stayed in after automatic shearing on sewing is shorter, really
The quality of sewed product is protected.
Above-mentioned drawings and Examples are merely to illustrate the utility model, and any art those of ordinary skill is to it
The appropriate change or modification done, or use other flower pattern instead and make this technical change, it all should be regarded as not departing from this practicality newly
Type patent category.
Claims (1)
1. a kind of thread cutting mechanism of feed sewing machine up and down, including carriage saddle（6）, tangent line drive shaft（4）, tangent line driving crank
（3）, moving knife component and secondary moving knife component, the carriage saddle（6）It is mounted on sewing machine case, the moving knife component is by moving
Knife（5）, movable knife rack（10）, movable knife rack connecting rod（9）Form, the moving knife（5）It is mounted on movable knife rack（10）On, the moving knife
Frame（10）It is movably set in carriage saddle（6）On, can be around carriage saddle（6）Gyration, the movable knife rack connecting rod（9）One end pass through
Axial screw and movable knife rack（10）Drive connection, its other end are connected by axial screw and drive crank in tangent line（3）'s
One end, the tangent line drive crank（3）The other end be mounted on tangent line drive shaft（4）On, it is characterised in that：Described time dynamic
Knife assembly is by secondary moving knife（7）, secondary movable knife rack（8）, secondary movable knife rack connecting rod（1）, secondary moving knife connecting rod（11）And secondary moving knife crank connecting link
（2）Form, the secondary moving knife（7）It is mounted on time movable knife rack（8）On, the secondary movable knife rack（8）Also it is movably set in knife rest
Seat（6）On, also can be around carriage saddle（6）Gyration, the secondary moving knife connecting rod（11）L-shaped structure, its " L " shape structure turn
It is rotationally connected with folding by axial screw on sewing machine case, the secondary movable knife rack connecting rod（1）One end pass through axial screw
With secondary movable knife rack（8）Drive connection, its other end are connected in secondary moving knife connecting rod by axial screw（11）" L " shape structure
One end, the secondary moving knife connecting rod（11）The other end of " L " shape structure is connected in secondary moving knife crank connecting link by axial screw
（2）One end, the secondary moving knife crank connecting link（2）The other end be connected in connection movable knife rack connecting rod（9）Driven with tangent line
Crank（3）Axial screw on, during shearing work, the moving knife（5）With secondary moving knife（7）Move toward one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640251.5U CN206873085U (en) | 2017-06-05 | 2017-06-05 | A kind of thread cutting mechanism of feed sewing machine up and down |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640251.5U CN206873085U (en) | 2017-06-05 | 2017-06-05 | A kind of thread cutting mechanism of feed sewing machine up and down |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206873085U true CN206873085U (en) | 2018-01-12 |
Family
ID=61337084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720640251.5U Active CN206873085U (en) | 2017-06-05 | 2017-06-05 | A kind of thread cutting mechanism of feed sewing machine up and down |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206873085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385291A (en) * | 2018-05-15 | 2018-08-10 | 杰克缝纫机股份有限公司 | A kind of cutter structure of sewing machine |
-
2017
- 2017-06-05 CN CN201720640251.5U patent/CN206873085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385291A (en) * | 2018-05-15 | 2018-08-10 | 杰克缝纫机股份有限公司 | A kind of cutter structure of sewing machine |
| CN108385291B (en) * | 2018-05-15 | 2020-06-30 | 杰克缝纫机股份有限公司 | Cutter structure of sewing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103084518A (en) | Automatic pin-cutting pin-bending device for electronic components | |
| CN206185944U (en) | Driven vegetable -chopper of ratchet | |
| CN206873085U (en) | A kind of thread cutting mechanism of feed sewing machine up and down | |
| CN203729067U (en) | Thread trimming mechanism of vertical post needle feeding sewing machine | |
| CN206956420U (en) | A kind of floating cutter for the longitudinally cutting equipment of towel blank | |
| CN102441916A (en) | Automatic folding transverse cutting machine for seamless cloth | |
| CN112273663A (en) | Seed melon double-track knife circular cutting separation pretreatment device | |
| CN208501366U (en) | There is the Scissoring device for playing lace fabric | |
| CN204251850U (en) | A kind of sewing-machine foot automatic shearing mechanism | |
| CN202753202U (en) | On-line sectional material cutting machine free of sawdust | |
| CN205114052U (en) | Air column bag machine cutter edge sealing interlock mechanism | |
| CN206783954U (en) | The thread cutting mechanism of sewing machine | |
| CN205529620U (en) | New and effective non -woven fabric slitter with turbine worm | |
| CN205741535U (en) | A kind of thread cutter of sewing machine | |
| CN103243493A (en) | Cutter and machine needle asynchronization mechanism | |
| CN206873086U (en) | A kind of integrative feeding sewing machine thread cutting mechanism | |
| CN202639123U (en) | Clamping device of steel belt discharging frame | |
| CN203566774U (en) | Cutter linkage mechanism of compound machine | |
| CN202369779U (en) | Template transporting sewing machine | |
| CN207944244U (en) | Driving structure of sewing and the sewing machine with it | |
| CN207176250U (en) | A kind of double shear line moving knife driving structure of computer flatcar | |
| CN205408604U (en) | Harvester is with cutting rattan device | |
| CN203031693U (en) | Mechanism for cutting off rotary bar in variable curve feeding manner | |
| CN204000395U (en) | Non-woven bag round cutting-off tool device | |
| CN202427960U (en) | Button automatic positioning rabbeting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |