CN207749276U - A kind of automatic shearing mechanism of sewing machine - Google Patents
A kind of automatic shearing mechanism of sewing machine Download PDFInfo
- Publication number
- CN207749276U CN207749276U CN201721321915.8U CN201721321915U CN207749276U CN 207749276 U CN207749276 U CN 207749276U CN 201721321915 U CN201721321915 U CN 201721321915U CN 207749276 U CN207749276 U CN 207749276U
- Authority
- CN
- China
- Prior art keywords
- trimming
- sewing machine
- drive shaft
- shearing mechanism
- knife
- 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 - Fee Related
Links
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to field of mechanical technique, is related to a kind of sewing machine, refers in particular to a kind of automatic shearing mechanism of sewing machine, a kind of automatic shearing mechanism of sewing machine, including trimming drive shaft, is mounted on sewing motor spindle, and one end is socketed with disjunctor knife rest；Trimming component is mounted on sewing motor spindle and connects trimming drive shaft, moving knife is connected on trimming component, and moving knife is driven to swing back and forth；Stationary knife, setting coordinate in sewing motor spindle and with moving knife；It further include power source, it is mounted in sewing machine and connects trimming drive shaft, and drive trimming drive shaft, trimming drive shaft drives trimming component, the moving knife of trimming component connection completes trimming action by rotation and stationary knife cooperation, and the purpose of this utility model is to provide that a kind of trimming is stable, automatic shearing mechanism of sewing machine with obvious effects.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of sewing machine, refers in particular to a kind of automatic thread trimmer of sewing machine
Structure.
Background technology
With the development of the times, sewing machine industry is also constantly developing, and in the sewing machine stepped on foot a long time ago, arrives
Computer-controlled sewing machine can be used now, all there is deficiencies for these sewing machines, that is, trimming is pretty troublesome, although having
Some special sewing machines can inside be arranged cutting facility, but effect is not so apparent, and conventional sewing machine is cut
Line apparatus be all the rotatory inertia of knife is pulled apart line by one, if use that toughness especially good on sewing machine or
Especially smooth line, for example, mercerizing thread that be just not easy to pull apart, using two knives on few sewing machine, although energy
It is enough to cut line, but the effect of automatic shearing or bad.
Invention content
The purpose of this utility model is to provide that a kind of trimming is stable, automatic shearing mechanism of sewing machine with obvious effects.
What the purpose of this utility model was realized in：
A kind of automatic shearing mechanism of sewing machine, including trimming drive shaft are mounted on sewing motor spindle, one end socket
There is disjunctor knife rest；Trimming component is mounted on sewing motor spindle and connects trimming drive shaft, is connected on trimming component dynamic
Knife, and moving knife is driven to swing back and forth；Stationary knife, setting coordinate in sewing motor spindle and with moving knife；Further include driving source, peace
In sewing machine and trimming drive shaft is connected, and drives trimming drive shaft, trimming drive shaft drives trimming component, wire shear part
The moving knife of part connection completes trimming action by rotation and stationary knife cooperation.
The utility model is further arranged to, and trimming cam is provided in the middle part of the trimming drive shaft, trimming drive shaft
One end is provided with driven gear, driving gear in the driven gear connection driving source, the driven gear and driving gear
Gear ratio is 1:1.
The utility model is further arranged to, and the trimming component includes trimming actuator, telescopic device and trimming crank,
The telescopic shaft of connection telescopic device on the right side of the trimming crank, trimming crank left side extend downward with connecting rod, connecting rod
It is flexibly connected trimming actuator, the trimming actuator connects moving knife, and the telescopic device is fixed on sewing machine bottom end.
The utility model is further arranged to, and the trimming crank left end is provided with protrusion, and reset bullet is provided in protrusion
Spring.
The utility model is further arranged to, and forms drive link on the right side of the trimming crank downwards, and the drive link connects
Connect protrusion on the right side of trimming cam.
The utility model is further arranged to, its raised shape of right side of the trimming cam is in reversed 9 font.
The utility model is further arranged to, and trimming arc is provided on the moving knife, and the moving knife is movably arranged on disjunctor
On knife rest.
The utility model is further arranged to, and the stationary knife shape is L-shaped.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
1, the automatic shearing mechanism of above-mentioned a kind of sewing machine, the number of gear teeth 1 of design：1 is to coordinate trimming component
Movement, in order to make sewing machine trimming more stablize, design trimming cam be arranged in the middle part of trimming drive shaft be in order to
The volume-diminished of enough sewing machines so that trimming is with obvious effects.
2, the resetting spring designed is to be able to allow trimming crank that can complete trimming by the elasticity of resetting spring
It automatically resets after action, it can continuous trimming.
3, the right side protrusion of design trimming cam from it is right be in reversed 9 font to the left, this design reduce trimming crank with
The contact area of protrusion on the right side of trimming cam can quickly finish trimming action, and above-mentioned telescopic device is spring electromagnet,
The spring electromagnet of design is to be able to that trimming crank is allowed flexibly to move, and further promotes the trimming effect of thread cutting mechanism,
Make trimming effect stability.
4, it is provided with trimming arc on the moving knife designed, the moving knife is movably arranged on disjunctor knife rest, the stationary knife
Shape is L-shaped, and the two coordinates so that the trimming effect of trimming structure is more obvious.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model disjunctor knife rest；
Fig. 3 be the utility model trimming drive shaft, trimming cam and driven gear structural schematic diagram；
Fig. 4 is the structural schematic diagram of the utility model trimming crank；
Fig. 5 is the structural schematic diagram of the utility model trimming cam.
Meaning represented by figure label：
01- sewing machines；1- trimming drive shafts；2- disjunctor knife rests；3- trimming components；4- moving knife；5- stationary knifes；
6- driving sources；11- trimming cams；12- driven gears；13- driving gears；Protrusion on the right side of 21-；
31- trimming actuators；32- telescopic devices；33- trimming cranks；34- telescopic shafts；35- protrusions；
36- resetting springs；37- drive links；38- connecting rods；51- trimming arcs.
Specific implementation mode
The utility model is further described with reference to specific embodiment：
As shown in Figs. 1-5：A kind of automatic shearing mechanism of sewing machine, including trimming drive shaft 1 are mounted on sewing machine 01
Bottom, one end are socketed with disjunctor knife rest 2；Trimming component 3 is mounted on 01 bottom of sewing machine and connects trimming drive shaft 1,
It is connected with moving knife 4 on trimming component 3, and moving knife 4 is driven to swing back and forth；Stationary knife 5, setting 01 bottom of sewing machine and with it is dynamic
Knife 4 coordinates；Further include driving source 6, be mounted in sewing machine 01 and connect trimming drive shaft 1, and drive trimming drive shaft 1,
Trimming drive shaft 1 drives trimming component 3, the moving knife 4 that trimming component 3 connects to complete trimming action by rotation and the cooperation of stationary knife 5.
A kind of automatic shearing mechanism of above-mentioned sewing machine, 1 middle part of the trimming drive shaft are provided with trimming cam 11, cut
One end of line drive shaft 1 is provided with driven gear 12, and the driven gear 12 connects driving gear 13 in driving source 6, it is described from
The gear ratio of moving gear 12 and driving gear 13 is 1:1, the number of gear teeth 1 of design:1 is to coordinate trimming component 3 to move, be
Sewing machine 01 trimming can be made more to stablize, design trimming cam 11 is arranged to be to be able at the middle part of trimming drive shaft 1
The volume-diminished of sewing machine 01 so that trimming is with obvious effects.
A kind of automatic shearing mechanism of above-mentioned sewing machine, the trimming component 3 include trimming actuator 31, telescopic device
32 and trimming crank 33, the telescopic shaft 34 of 33 right side connection telescopic device 32 of the trimming crank, 33 left side of trimming crank is downwards
Being extended has connecting rod 38, and connecting rod 38 is flexibly connected trimming actuator 31, and the trimming actuator 31 connects moving knife 4, institute
It states telescopic device 32 and is fixed on 01 bottom end of sewing machine.
A kind of automatic shearing mechanism of above-mentioned sewing machine, 33 left end of trimming crank are provided with protrusion 35, protrusion 35
On be provided with resetting spring 36, the resetting spring 36 of design is to be able to allow trimming crank 33 can be by resetting spring 36
Elasticity automatically resets after completing trimming action, can continuous trimming.
A kind of automatic shearing mechanism of above-mentioned sewing machine, 33 right side of the trimming crank form drive link 37 downwards,
The drive link 37 connects 11 right side protrusion 21 of trimming cam.
A kind of automatic shearing mechanism of above-mentioned sewing machine, raised 3521 its shape in right side of the trimming cam 11 are in anti-
To 9 fonts, for the right side protrusion 21 of design trimming cam 11 from right to the left in reversed 9 font, this design reduces trimming crank
33 with the contact area of the right side of trimming cam 11 protrusion 21, trimming action can be quickly finished.
A kind of telescopic device 32 of the automatic shearing mechanism of above-mentioned sewing machine is spring electromagnet, the spring electricity of design
Magnet is to be able to that trimming crank 33 is allowed flexibly to move, and further promotes the trimming effect of thread cutting mechanism so that trimming is imitated
Fruit is stablized.
A kind of automatic shearing mechanism of above-mentioned sewing machine, trimming arc 51 is provided on the moving knife 4, and the moving knife 4 is lived
Dynamic to be arranged on disjunctor knife rest 2, this design enables to sewing machine 01 in trimming, and silk thread is not easy to slip off from moving knife 4,
Further increase the thread trimming stability of thread cutting mechanism.
A kind of automatic shearing mechanism of above-mentioned sewing machine, 5 shape of the stationary knife is L-shaped, and the L-shaped of design is in order to prevent
Silk thread is sliped off from stationary knife 5, the moving position for limiting silk thread, and cooperation moving knife 4 can improve the efficiency of trimming.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (8)
1. a kind of automatic shearing mechanism of sewing machine, which is characterized in that including
Trimming drive shaft (1), is mounted on sewing motor spindle, and one end is socketed with disjunctor knife rest (2)；
Trimming component (3) is mounted on sewing motor spindle and connects trimming drive shaft (1), is connected on trimming component (3) dynamic
Knife (4), and moving knife (4) is driven to swing back and forth；
Stationary knife (5), setting coordinate in sewing motor spindle and with moving knife (4)；
Further include driving source (6), is mounted in sewing machine and connects trimming drive shaft (1), and drive trimming drive shaft
(1), trimming drive shaft (1) drives trimming component (3), the moving knife (4) of trimming component (3) connection to match with stationary knife (5) by rotation
It closes and completes trimming action.
2. a kind of automatic shearing mechanism of sewing machine according to claim 1, it is characterised in that：The trimming drive shaft
(1) middle part is provided with trimming cam (11), and one end of trimming drive shaft (1) is provided with driven gear (12), the driven gear
(12) gear ratio of driving gear (13) in connection driving source (6), the driven gear (12) and driving gear (13) is 1:1.
3. a kind of automatic shearing mechanism of sewing machine according to claim 1, it is characterised in that：The trimming component (3)
Including trimming actuator (31), telescopic device (32) and trimming crank (33), the flexible dress of connection on the right side of the trimming crank (33)
The telescopic shaft (34) of (32) is set, connecting rod (38) is extended downward on the left of trimming crank (33), connecting rod (38) activity is even
Trimming actuator (31), trimming actuator (31) the connection moving knife (4) are connect, the telescopic device (32) is fixed on sewing machine bottom
Portion one end.
4. a kind of automatic shearing mechanism of sewing machine according to claim 3, it is characterised in that：The trimming crank (33)
Left end is provided with raised (35), and resetting spring (36) is provided on raised (35).
5. a kind of automatic shearing mechanism of sewing machine according to claim 3, it is characterised in that：The trimming crank (33)
Right side forms downwards drive link (37), and drive link (37) connection trimming cam (11) right side is raised (21).
6. a kind of automatic shearing mechanism of sewing machine according to claim 5, it is characterised in that：The trimming cam
(11) raised (21) its shape in right side is in reversed 9 font.
7. a kind of automatic shearing mechanism of sewing machine according to claim 1, it is characterised in that：It is set on the stationary knife (5)
It is equipped with trimming arc (51).
8. a kind of automatic shearing mechanism of sewing machine according to claim 1, it is characterised in that：Moving knife (4) shape
L-shaped, the moving knife (4) is movably arranged on disjunctor knife rest (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321915.8U CN207749276U (en) | 2017-10-14 | 2017-10-14 | A kind of automatic shearing mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321915.8U CN207749276U (en) | 2017-10-14 | 2017-10-14 | A kind of automatic shearing mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207749276U true CN207749276U (en) | 2018-08-21 |
Family
ID=63146702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721321915.8U Expired - Fee Related CN207749276U (en) | 2017-10-14 | 2017-10-14 | A kind of automatic shearing mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207749276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699876A (en) * | 2019-10-22 | 2020-01-17 | 安徽杰羽制鞋机械科技有限公司 | Short thread end thread cutting mechanism of sewing machine |
-
2017
- 2017-10-14 CN CN201721321915.8U patent/CN207749276U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110699876A (en) * | 2019-10-22 | 2020-01-17 | 安徽杰羽制鞋机械科技有限公司 | Short thread end thread cutting mechanism of sewing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205203581U (en) | Pilot pin cam gearing and have its drop threading machine | |
| CN203622484U (en) | Health food cutting machine | |
| CN203411771U (en) | Trimming driving device of sewing machine | |
| CN207749276U (en) | A kind of automatic shearing mechanism of sewing machine | |
| CN204614664U (en) | Stripping device is cut for small multi-sectional coiling magnet ring wire stripper | |
| CN203729067U (en) | Thread trimming mechanism of vertical post needle feeding sewing machine | |
| CN203229719U (en) | Actuating mechanism of loom edge folding device | |
| CN204860102U (en) | Lower cutting knife device of harvester | |
| CN203708825U (en) | Reciprocating cutting knife transmission mechanism of grass mower | |
| CN203611275U (en) | Cutting machine for cutting plastic film | |
| CN202262363U (en) | Noodle slicing robot | |
| CN202595465U (en) | Computer controlled facial suture shearing device for flat-head button-hole sewing machine | |
| CN204477230U (en) | Fish the inside drive mechanism of squid machine | |
| CN201989984U (en) | Ream paper package processing mechanism for packing machine | |
| CN203270250U (en) | Fast thread trimming device applied to quilter | |
| CN204251850U (en) | A kind of sewing-machine foot automatic shearing mechanism | |
| CN202187176U (en) | Cloth cutting device of sewing machine | |
| CN105909751B (en) | upper and lower hook cam mechanism | |
| CN205408714U (en) | GK -24 type double -end fungus bag cuts a mouthful machine | |
| CN205266134U (en) | Full -automatic package terminal feeding mechanism | |
| CN203782381U (en) | Cutting mechanism of lace sewing machine | |
| CN104787391B (en) | Portable hand-held automatic sealing package chartered plane | |
| CN204080361U (en) | A kind of edge machine | |
| CN202540119U (en) | Cam transmission mechanism of bearing rollway superfine grinder | |
| CN203526557U (en) | Auxiliary cutting and splicing device for automatic lathe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180821 Termination date: 20201014 |