CN206873086U - A kind of integrative feeding sewing machine thread cutting mechanism - Google Patents
A kind of integrative feeding sewing machine thread cutting mechanism Download PDFInfo
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- CN206873086U CN206873086U CN201720640252.XU CN201720640252U CN206873086U CN 206873086 U CN206873086 U CN 206873086U CN 201720640252 U CN201720640252 U CN 201720640252U CN 206873086 U CN206873086 U CN 206873086U
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- moving knife
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Abstract
It the utility model is related to sewing-machine equipment technical field, and in particular to a kind of integrative feeding sewing machine thread cutting mechanism.Including moving knife component, aid in moving knife component and trimming cam, the trimming cam is provided with guide groove, the moving knife component is by moving knife, movable arbor, movable arbor fixed seat, moving knife driving part and moving knife arm are formed, the auxiliary moving knife component is by auxiliary moving knife, aid in moving knife fixed seat, moving knife driving part and auxiliary moving knife component fixed support is aided in form, the auxiliary moving knife is mounted in auxiliary moving knife fixed seat, the auxiliary moving knife fixed seat is mounted on the axle of auxiliary moving knife driving part, the auxiliary moving knife driving part is mounted on auxiliary moving knife component fixed support.The utility model, which passes through moving knife component and cooperated with auxiliary moving knife component, completes trimming so that the upper thread that remains on sewing and base line length eliminate the link of artificial trimming in 5mm or so, time saving and energy saving, and the uniformity of the end of a thread is good, ensure that product quality.
Description
Technical field
It the utility model is related to sewing-machine equipment technical field, and in particular to a kind of integrative feeding sewing machine thread trimmer
Structure.
Background technology
The thread cutting mechanism of traditional common integrative feeding sewing machine in the market, its stationary knife is with moving knife in the same of needle plate
Side, stationary knife are fixed on stationary knife seat, and solenoid actuated moving knife during trimming, moving knife catches on upper thread with being controlled after bottom line by trimming cam
Action, when thread take-up tension lever highest, complete trimming.Due to remained in after common integrative feeding sewing machine trimming the upper thread under sewing with
Bottom line is long, and remaining line amount reaches 25mm or so, and requirement of the remaining line amount less than 5mm can not be met, it is necessary to which manual pruning is long
The end of a thread, waste time and energy.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of integrative feeding sewing machine thread cutting mechanism.
Technical solutions of the utility model are as follows：
A kind of integrative feeding sewing machine thread cutting mechanism, including moving knife component, auxiliary moving knife component and trimming cam, it is described
Trimming cam is provided with guide groove, and the moving knife component is by moving knife, movable arbor, movable arbor fixed seat, moving knife driving part, moving knife
Arm is formed, and moving knife and the moving knife arm is separately fixed at the upper and lower side of movable arbor, and the middle part of the movable arbor is consolidated by movable arbor
Reservation and the axle of moving knife driving part are connected, and the bottom driving of the moving knife arm is connected with cylindrical roller；
The auxiliary moving knife component is by auxiliary moving knife, auxiliary moving knife fixed seat, auxiliary moving knife driving part and auxiliary moving knife
Component fixed support is formed, and the auxiliary moving knife is mounted in auxiliary moving knife fixed seat, the auxiliary moving knife fixed seat peace
Dress is fixed on the axle of auxiliary moving knife driving part, and the auxiliary moving knife driving part is mounted on auxiliary moving knife component and fixed
On support, the auxiliary moving knife component fixed support is fixed on the bottom plate of sewing machine, the auxiliary moving knife fixed seat and auxiliary
Auxiliary moving knife back-moving spring is additionally provided between moving knife driving part, the moving knife and auxiliary moving knife are respectively positioned at sewing machine needle board
Both sides；
During trimming operation, moving knife driving part driving moving knife steering assistance moving knife, while aid in moving knife driving part to drive
Aid in moving knife towards moving knife move, when moving knife driving part and auxiliary moving knife driving part move to range when, moving knife with
Moving knife tangent completion tangent line just is aided in, when shearing is completed, the auxiliary moving knife is by aiding in moving knife back-moving spring to reset, with this
Cylindrical roller enters in guide groove just simultaneously, and is moved under the driving of trimming cam along track where guide groove so that dynamic
Knife gradually resets, and when cylindrical roller is along when track operation is completed where guide groove, moving knife resets completely.
The moving knife is in curved hook arrangement.
The moving knife driving part is moving knife DM or moving knife drive cylinder, and the auxiliary moving knife driving part is
Aid in moving knife DM or auxiliary moving knife drive cylinder.
Compared with prior art, beneficial effect is this hair utility model：By moving knife component with aiding in moving knife component phase
Mutually coordinate and complete trimming so that the upper thread that remains under sewing and base line length eliminate the ring of artificial trimming in 5mm or so
Section, it is time saving and energy saving, and the uniformity of the end of a thread is good, ensure that the aesthetic property of 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 one of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Fig. 3 is the structural representation of moving knife.
Fig. 4 is the structural representation of trimming cam.
Fig. 5 is the structural representation of prior art.
Wherein, 1, auxiliary moving knife component fixed support；2nd, moving knife driving part is aided in；3rd, moving knife back-moving spring is aided in；4、
Aid in moving knife fixed seat；5th, moving knife is aided in；6th, moving knife；7th, movable arbor；8th, movable arbor fixed seat；9th, moving knife driving part；10th, move
Tool arm；11st, trimming cam；12nd, guide groove；13rd, needle plate.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Refering to Fig. 1 to Fig. 5, a kind of integrative feeding sewing machine thread cutting mechanism, including moving knife component, auxiliary moving knife component and
Trimming cam 11, the trimming cam are provided with guide groove 12, and the moving knife component is fixed by moving knife 6, movable arbor 7, movable arbor
Seat 8, moving knife driving part 9, moving knife arm 10 are formed, and the moving knife 6 and moving knife arm 10 are separately fixed at the upper and lower side of movable arbor 7,
The middle part of the movable arbor 7 is connected by the axle of movable arbor fixed seat 8 and moving knife driving part 9, the moving knife arm 10
Bottom driving is connected with cylindrical roller；
The auxiliary moving knife component is dynamic by auxiliary moving knife 5, auxiliary moving knife fixed seat 4, auxiliary moving knife driving part 2 and auxiliary
Knife assembly fixed support 1 is formed, and the auxiliary moving knife 6 is mounted in auxiliary moving knife fixed seat 4, and the auxiliary moving knife is fixed
Seat 4 is mounted on the axle of auxiliary moving knife driving part 2, and the auxiliary moving knife driving part 2 is mounted on auxiliary moving knife
On component fixed support 1, the auxiliary moving knife component fixed support 1 is fixed on the bottom plate of sewing machine, and the auxiliary moving knife is consolidated
Auxiliary moving knife back-moving spring 3 is additionally provided between reservation 4 and auxiliary moving knife driving part 2, the moving knife 6 and auxiliary moving knife 5 are distinguished
Positioned at the both sides of sewing machine needle board 13；
During trimming operation, moving knife driving part 9 drives the steering assistance moving knife 5 of moving knife 6, while aids in moving knife driving part 2
Driving auxiliary moving knife 5 moves towards moving knife 6, when moving knife driving part 9 and auxiliary moving knife driving part 2 move to range
When, moving knife 6 is with aiding in the tangent completion tangent line just of moving knife 5, and when shearing is completed, the auxiliary moving knife 5 is by aiding in moving knife to reset
Spring 3 resets, and at the same time cylindrical roller enters in guide groove 12 just, and along guide groove 12 under the driving of trimming cam 11
Move place track so that moving knife 6 gradually resets, and when cylindrical roller is run along the place track of guide groove 12 to be completed, moving knife 6 is complete
All reset.
The moving knife 6 is in curved hook arrangement.
The moving knife driving part 9 is moving knife DM or moving knife drive cylinder, the auxiliary moving knife driving part 2
Supplemented by power-assist knife DM or auxiliary moving knife drive cylinder.
Principle is, during trimming operation, moving knife driving part 9 and auxiliary moving knife driving part 2 are powered, moving knife driving part 9
Shaft extension go out, and promote movable arbor fixed seat 8 drive movable arbor around the axis steering assistance moving knife 5 of its own, it is at the same time auxiliary
The shaft extension of power-assist knife driving part 2 goes out, and promotes auxiliary moving knife 5 to be travelled forward with auxiliary moving knife fixed seat 4, when moving knife drive division
When part 9 and auxiliary moving knife driving part 2 all move to range, moving knife 6 is cut with aiding in the tangent completion tangent line just of moving knife 5
When line is completed, moving knife driving part 9 and auxiliary moving knife driving part 2 power off, and auxiliary moving knife 5 is in auxiliary moving knife back-moving spring 3
Effect is lower to be resetted, and at the same time cylindrical roller enters in guide groove 12 just, and along guide groove under the driving of trimming cam 11
Moving at 12 places track so that moving knife 6 gradually resets, when cylindrical roller is run along the place track of guide groove 12 to be completed, moving knife
Reset completely, wait trimming operation next time, cooperated by moving knife component with auxiliary moving knife component and complete trimming so that be remaining
The upper thread that stays under sewing and base line length eliminate the link of artificial trimming in 5mm or so, time saving and energy saving, and the one of the end of a thread
Cause property is good, ensure that the aesthetic property of product.
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 (3)
1. a kind of integrative feeding sewing machine thread cutting mechanism, including moving knife component, auxiliary moving knife component and trimming cam（11）, institute
State trimming cam（11）It is provided with guide groove（12）, the moving knife component is by moving knife（6）, movable arbor（7）, movable arbor fixed seat
（8）, moving knife driving part（9）, moving knife arm（10）Form, the moving knife（6）With moving knife arm（10）It is separately fixed at movable arbor（7）
Upper and lower side, the movable arbor（7）Middle part pass through movable arbor fixed seat（8）With moving knife driving part（9）Axle drive connection,
The moving knife arm（10）Bottom driving be connected with cylindrical roller, it is characterised in that：
The auxiliary moving knife component is by auxiliary moving knife（5）, auxiliary moving knife fixed seat（4）, auxiliary moving knife driving part（2）And auxiliary
Moving knife component fixed support（1）Form, the auxiliary moving knife（5）It is mounted on auxiliary moving knife fixed seat（4）On, the auxiliary
Moving knife fixed seat（4）It is mounted on auxiliary moving knife driving part（2）Axle on, it is described auxiliary moving knife driving part（2）Installation
It is fixed on auxiliary moving knife component fixed support（1）On, the auxiliary moving knife component fixed support（1）It is fixed on the bottom plate of sewing machine
On, the auxiliary moving knife fixed seat（4）With aiding in moving knife driving part（2）Between be additionally provided with auxiliary moving knife back-moving spring（3）, institute
State moving knife（6）With auxiliary moving knife（5）It is located at sewing machine needle board respectively（13）Both sides.
2. integrative feeding sewing machine thread cutting mechanism according to claim 1, it is characterised in that：The moving knife（6）In curved
Hook arrangement.
3. integrative feeding sewing machine thread cutting mechanism according to claim 1, it is characterised in that：The moving knife driving part
（9）For moving knife DM or moving knife drive cylinder, the auxiliary moving knife driving part（2）Supplemented by power-assist knife DM
Or auxiliary moving knife drive cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640252.XU CN206873086U (en) | 2017-06-05 | 2017-06-05 | A kind of integrative feeding sewing machine thread cutting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720640252.XU CN206873086U (en) | 2017-06-05 | 2017-06-05 | A kind of integrative feeding sewing machine thread cutting mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN206873086U true CN206873086U (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720640252.XU Active CN206873086U (en) | 2017-06-05 | 2017-06-05 | A kind of integrative feeding sewing machine thread cutting mechanism |
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| Country | Link |
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| CN (1) | CN206873086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988040A (en) * | 2017-06-05 | 2017-07-28 | 标准缝纫机菀坪机械有限公司 | A kind of integrative feeding sewing machine thread cutting mechanism |
-
2017
- 2017-06-05 CN CN201720640252.XU patent/CN206873086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988040A (en) * | 2017-06-05 | 2017-07-28 | 标准缝纫机菀坪机械有限公司 | A kind of integrative feeding sewing machine thread cutting mechanism |
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