CN108442051A - A kind of trimming thread ends control mechanism of sewing machine - Google Patents
A kind of trimming thread ends control mechanism of sewing machine Download PDFInfo
- Publication number
- CN108442051A CN108442051A CN201810277972.3A CN201810277972A CN108442051A CN 108442051 A CN108442051 A CN 108442051A CN 201810277972 A CN201810277972 A CN 201810277972A CN 108442051 A CN108442051 A CN 108442051A
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- CN
- China
- Prior art keywords
- clamp
- control mechanism
- sewing
- motor
- thread ends
- 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.)
- Pending
Links
- 238000009958 sewing Methods 0.000 title claims abstract description 34
- 238000009966 trimming Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000002788 crimping Methods 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims 1
- 230000002452 interceptive effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B65/00—Devices for severing the needle or lower thread
- D05B65/06—Devices for severing the needle or lower thread and for disposing of the severed thread end ; Catching or wiping devices for the severed thread
Abstract
The invention discloses a kind of trimming thread ends control mechanisms of sewing machine, include the needle plate on engine base, and the bottom surface of needle plate is fixed with the first cramping body and the first guide way；First guide way is formed with guide groove, and the clamp that can be moved between standby position, clamp position, Tangented position is equipped in guide groove, and the motor for driving clamp to move is fixed on engine base；The front end of clamp is formed with for the threading hole across eedle, and the first cramping body has and the matched crimping in clamp front end and tangent line portion；Crimping has positioned at the arc clamp face of the first cramping body front end, and tangent line portion has the step cutting edge being connected with crimping rear end.Upper thread the end of a thread at starting can be gripped when eedle starts sewing, avoid interfering follow-up sewing, and can automatically cut the end of a thread by the present invention, improve sewing aesthetics.
Description
Technical field
The present invention relates to a kind of sewing machine, the trimming thread ends control mechanism of specifically a kind of sewing machine.
Background technology
The patent of Patent No. 201120297904.7 discloses a kind of trimming wire-clamping device, including needle plate, the needle
Plate is fixedly installed ledger-plate and elastic clip wire body, and the cutter head of ledger-plate is located at the side of pin hole position, in the another of pin hole position
Side is equipped with the cutting blade being rotatably arranged on needle plate.Pin hole, the position of cutter head and elastic clip wire body and cutting blade turning end
Rotary motion trace coincide.The front of cutting blade turning end is formed with and the matched push away line portion of elastic clip wire body, cutting blade rotation
The rear portion at end is formed with and the matched wire shear part of the cutter head of ledger-plate.When the trimming clamp works, line can be pushed by push away line portion
Elastic clip wire body, and line is clamped between push away line portion and crimping, after turning end is rotated further a distance, wire shear part and knife
Head, which matches, cuts off the line of tension, and the end of a thread of baseline is just clamped and fixed between turning end and elastic clip wire body, effectively keeps away
Off-line is exempted from.
Invention content
The present invention, when sew starting, can not carry out the upper thread the end of a thread having more the scarce of control and trimming for the prior art
It falls into, and a kind of trimming thread ends control mechanism of sewing machine is provided.
Technical solution is used by the present invention solves above-mentioned technical problem：A kind of trimming thread ends control mechanism of sewing machine,
Include the needle plate on engine base, the bottom surface of needle plate is fixed with the first cramping body and the first guide way；First guide way, which is formed with, leads
To slot, it is equipped with the clamp that can be moved between standby position, clamp position, Tangented position in guide groove, is fixed on engine base for driving
The motor of dynamic clamp movement；The front end of clamp is formed with for the threading hole across eedle, and the first cramping body has and folder
The matched crimping in line front edge of board portion and tangent line portion；Crimping has positioned at the arc clamp face of the first cramping body front end, cuts
Line portion has the step cutting edge being connected with crimping rear end.
To optimize above-mentioned technical proposal, the invention also includes following improved technical solutions.
Above-mentioned motor is connected with control, and it rotates to the first control module of the first rotational travel, rotates to the second rotation
Second control module of stroke and the third control module for rotating to third rotational travel；When motor is in the first rotational travel,
Clamp is in standby position；When motor is in the second rotational travel, clamp is in clamp position；Motor is in third rotational travel
When, clamp is in Tangented position.
The first control module is executed before sewing starting, clamp moves to standby position, and threading hole is placed exactly in below pin hole.
The second control module is executed after 1 needle tracking of sewing, clamp moves to clamp position and sewing the end of a thread is fixed on folder
Between line plate and crimping, the second control module retaining clip threadiness state continues 2 to 7 needle trackings.
Third control module is executed after clamp state, clamp moves to Tangented position and cut off by tangent line portion and captured
The end of a thread, and keep clamp be in Tangented position until stitching sewing terminate.
Above-mentioned motor is fixed on engine base side, and the power output shaft of motor is fixed with driving handle, the end of driving handle and folder
The rear end of line plate is flexibly connected.
Drive rod is formed on above-mentioned driving handle, drive rod is arranged in the driver slot of clamp rear end.
The lower section in above-mentioned tangent line portion is equipped with exhaust tube.
The bottom of above-mentioned needle plate is provided with ledger-plate and cutting blade；The cutter head of ledger-plate is located at the side of pin hole position；
Cutting blade is rotatably arranged on the other side of pin hole position, and is connected with drive link.
Compared with prior art, the trimming thread ends control mechanism of sewing machine of the invention, can be when eedle starts sewing, will
Upper thread the end of a thread at starting grips, and avoids interfering follow-up sewing, and can automatically cut the end of a thread, and it is beautiful to improve sewing
Degree.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention.
Fig. 2 is the first working state schematic representation of the embodiment of the present invention.
Fig. 3 is close-up schematic view at A in Fig. 2.
Fig. 4 is the second working state schematic representation of the embodiment of the present invention.
Fig. 5 is the third working state schematic representation of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described in further detail below in conjunction with attached drawing.
Fig. 1 to Fig. 5 show the structural schematic diagram of the present invention.
Reference numeral therein is：Needle plate 1, pin hole 11, engine base 12, eedle 13, the first cramping body 2, crimping 21, tangent line
Portion 22, the first guide way 3, clamp 4, threading hole 41, driver slot 42, motor 5, driving handle 51, drive rod 52, exhaust tube 6, line
First 7, ledger-plate 81, cutting blade 82.
The trimming thread ends control mechanism for sewing machine of the present invention, includes the needle plate 1 on engine base 12, the bottom of needle plate 1
Face is fixed with the first cramping body 2 and the first guide way 3.First guide way 3 is formed with guide groove, and being equipped in guide groove can be standby
The clamp 4 moved between position, clamp position, Tangented position is fixed with the motor 5 for driving clamp 4 to move on engine base 12.Folder
The front end of line plate 4 is formed with for the threading hole 41 across eedle 13, and the first cramping body 2 has to match with 4 front end of clamp
The crimping 21 of conjunction and tangent line portion 22.Crimping 21 has positioned at the arc clamp face of 2 front end of the first cramping body, and tangent line portion 22 has
There is the step cutting edge being connected with 21 rear end of crimping.
Motor 5 is connected with control, and it rotates to the first control module of the first rotational travel, rotates to the second rotational travel
The second control module and rotate to the third control module of third rotational travel.When motor 5 is in the first rotational travel, clamp
Plate 4 is in standby position.When motor 5 is in the second rotational travel, clamp 4 is in clamp position.Motor 5 is in third rotational travel
When, clamp 4 is in Tangented position.
The first control module is executed before sewing starting, clamp 4 moves to standby position, and threading hole 41 is placed exactly in pin hole 11
Lower section.
The second control module is executed after 1 needle tracking of sewing, clamp 4 moves to clamp position and is fixed on sewing the end of a thread 7
Between clamp 4 and crimping 21, second control module retaining clip threadiness 2 to 7 needle trackings of state.
Threading hole 41 on clamp 4 is roughly triangular, and the both sides of threading hole 41 are using at triangle bevel edge guide line head 7
In the front of threading hole 41.When clamp 4 moves, the end of a thread 7 is guided to position in threading hole 41, facilitates clamp.
Third control module is executed after clamp state, clamp 4 moves to Tangented position and cut off by tangent line portion 22
The end of a thread 7 of capture, and keep clamp 4 to be in Tangented position until stitching sewing terminates.
Motor 5 is fixed on 12 side of engine base, and the power output shaft of motor 5 is fixed with driving handle 51, the end of driving handle 51
It is flexibly connected with the rear end of clamp 4.
Drive rod 52 is formed on driving handle 51, drive rod 52 is arranged in the driver slot 42 of 4 rear end of clamp.
The lower section in tangent line portion 22 is equipped with exhaust tube 6, and after clamp 4 is moved to Tangented position cutting off thread end 7, the end of a thread 7 is inhaled
Enter exhaust tube 6.
The bottom of needle plate 1 is provided with ledger-plate 81 and cutting blade 82.The cutter head of ledger-plate 81 is located at the one of 11 position of pin hole
Side.Cutting blade 82 is rotatably arranged on the other side of 11 position of pin hole, and is connected with drive link.
It is the working condition of the first needle of sewing as shown in Figures 2 and 3.The first control module control motor 5 revolves before starting
The first rotational travel is gone to, clamp 4 moves to standby position at this time, and threading hole 41 is placed exactly in 11 lower section of pin hole.Eedle 13
First needle passes through pin hole 11 and threading hole 41 on needle plate 1, and brings upper thread the end of a thread 7 on eedle 13 into 1 lower section of needle plate, quilt
Threading hole 41 captures.
As shown in figure 4, eedle 13 rises after the completion of first needle tracking sewing, the second control module control motor 5 rotates to
Second rotational travel, at this time clamp 4 move to clamp position.The arc clamp face of crimping 21 and the upper table mask of clamp 4
There is certain gap, the end of a thread 7 of capture can be fixed between crimping 21 and clamp 4.Second control module is kept should
Clamp state certain time, it can prevent the end of a thread 7 from interfering the sewing of follow-up needle tracking.Second control module retaining clip threadiness state when
Between can be the time of follow-up 2 needle trackings of sewing, can also be the time of follow-up 3,4,5,6 or 7 needle trackings of sewing.
As shown in figure 5, after the completion of the second control module executes, third control module is executed, clamp 4 moves to Tangented position
And the end of a thread 7 captured by the cut-out of tangent line portion 22, and keep clamp 4 to be in Tangented position until stitching sewing terminates.The end of a thread 7 exists
Clamp position can be sucked by exhaust tube 6, and after the end of a thread 7 is cut off, the end of a thread 7 cut is collected by exhaust tube 6.Stitching is sewed
At the end of, the cutting blade 82 of 1 bottom of needle plate coordinates ledger-plate 81 to carry out trimming work.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (9)
1. a kind of trimming thread ends control mechanism of sewing machine, including the needle plate (1) that is set on engine base (12), it is characterized in that：Described
The bottom surface of needle plate (1) is fixed with the first cramping body (2) and the first guide way (3)；First guide way (3) is formed with guiding
Slot, the guide groove is interior to be equipped with the clamp (4) that can be moved between standby position, clamp position, Tangented position, the engine base
(12) motor (5) for driving clamp (4) mobile is fixed on；The front end of the clamp (4) be formed with for across
The threading hole (41) of eedle (13), first cramping body (2) have and the matched crimping in clamp (4) front end
(21) and tangent line portion (22)；The crimping (21) has positioned at the arc clamp face of the first cramping body (2) front end, described
Tangent line portion (22) has the step cutting edge being connected with crimping (21) rear end.
2. trimming thread ends control mechanism according to claim 1, it is characterized in that：The motor (5) is connected with control, and it is revolved
The first control module of the first rotational travel is gone to, the second control module of the second rotational travel is rotated to and rotates to third and is turned
The third control module of dynamic stroke；When the motor (5) is in the first rotational travel, the clamp (4) is in standby
Position；When the motor (5) is in the second rotational travel, the clamp (4) is in clamp position；At the motor (5)
When third rotational travel, the clamp (4) is in Tangented position.
3. trimming thread ends control mechanism according to claim 2, it is characterized in that：First control is executed before sewing starting
Module, the clamp (4) move to standby position, and threading hole (41) is placed exactly in below pin hole (11).
4. trimming thread ends control mechanism according to claim 3, it is characterized in that：The second control mould is executed after 1 needle tracking of sewing
Block, the clamp (4) move to clamp position and sewing the end of a thread (7) are fixed between clamp (4) and crimping (21),
The second control module retaining clip threadiness state continues 2 to 7 needle trackings.
5. trimming thread ends control mechanism according to claim 4, it is characterized in that：The third is executed after clamp state
Control module, the end of a thread (7) that the clamp (4) moves to Tangented position and captured by tangent line portion (22) cut-out, and keep
Clamp (4) is in Tangented position until stitching sewing terminates.
6. the trimming thread ends control mechanism according to claim 1 to 5 any claim, it is characterized in that：The motor (5) is solid
It is scheduled on engine base (12) side, the power output shaft of motor (5) is fixed with driving handle (51), the end of the driving handle (51) and folder
The rear end of line plate (4) is flexibly connected.
7. trimming thread ends control mechanism according to claim 6, it is characterized in that：It is formed with drive rod on the driving handle (51)
(52), the drive rod (52) setting is in the driver slot (42) of clamp (4) rear end.
8. the trimming thread ends control mechanism according to claim 1 to 5 any claim, it is characterized in that：The tangent line portion
(22) lower section is equipped with exhaust tube (6).
9. trimming thread ends control mechanism according to claim 1, it is characterized in that：The bottom of the needle plate (1) is provided with fixed
Blade (81) and cutting blade (82)；The cutter head of ledger-plate (81) is located at the side of pin hole (11) position；Cutting blade (82) rotation is set
The other side in pin hole (11) position is set, and is connected with drive link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810277972.3A CN108442051A (en) | 2018-03-31 | 2018-03-31 | A kind of trimming thread ends control mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810277972.3A CN108442051A (en) | 2018-03-31 | 2018-03-31 | A kind of trimming thread ends control mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108442051A true CN108442051A (en) | 2018-08-24 |
Family
ID=63198532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810277972.3A Pending CN108442051A (en) | 2018-03-31 | 2018-03-31 | A kind of trimming thread ends control mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108442051A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564823A (en) * | 2021-09-23 | 2021-10-29 | 南通喜腾箱包制造有限公司 | Convenient sewing manufacturing machine tool for luggage inner container |
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|---|---|---|---|---|
| JP2002306881A (en) * | 2001-04-16 | 2002-10-22 | Juki Corp | Holing sewing machine |
| JP2008018282A (en) * | 2007-10-09 | 2008-01-31 | Juki Corp | Needle thread clamping device for sewing machine |
| JP2011125386A (en) * | 2009-12-15 | 2011-06-30 | Nakanihon Juki Kk | Sewing machine |
| CN203625644U (en) * | 2013-11-26 | 2014-06-04 | 新杰克缝纫机股份有限公司 | Sewing machine sewing-start device with presser foot thread clamping device |
| CN106436072A (en) * | 2016-11-29 | 2017-02-22 | 浙江中捷缝纫科技有限公司 | Thread trimming mechanism of sewing machine |
| CN206477120U (en) * | 2017-01-11 | 2017-09-08 | 天津宝盈电脑机械有限公司 | The anti-withdrawal of needle Bird's Nest system of the controllable trimming clamp of multidigit |
| CN107268203A (en) * | 2017-06-29 | 2017-10-20 | 杰克缝纫机股份有限公司 | A kind of thread-moving device |
| CN206768389U (en) * | 2017-06-08 | 2017-12-19 | 宁波卡维自动化科技有限公司 | The anti-Bird's Nest device of sewing machine |
| CN107675366A (en) * | 2017-02-28 | 2018-02-09 | 苏州市志诚机械有限公司 | A kind of flat seam machine |
| CN208219152U (en) * | 2018-03-31 | 2018-12-11 | 宁波舒普机电股份有限公司 | A kind of trimming thread ends control mechanism of sewing machine |
-
2018
- 2018-03-31 CN CN201810277972.3A patent/CN108442051A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002306881A (en) * | 2001-04-16 | 2002-10-22 | Juki Corp | Holing sewing machine |
| JP2008018282A (en) * | 2007-10-09 | 2008-01-31 | Juki Corp | Needle thread clamping device for sewing machine |
| JP2011125386A (en) * | 2009-12-15 | 2011-06-30 | Nakanihon Juki Kk | Sewing machine |
| CN203625644U (en) * | 2013-11-26 | 2014-06-04 | 新杰克缝纫机股份有限公司 | Sewing machine sewing-start device with presser foot thread clamping device |
| CN106436072A (en) * | 2016-11-29 | 2017-02-22 | 浙江中捷缝纫科技有限公司 | Thread trimming mechanism of sewing machine |
| CN206477120U (en) * | 2017-01-11 | 2017-09-08 | 天津宝盈电脑机械有限公司 | The anti-withdrawal of needle Bird's Nest system of the controllable trimming clamp of multidigit |
| CN107675366A (en) * | 2017-02-28 | 2018-02-09 | 苏州市志诚机械有限公司 | A kind of flat seam machine |
| CN206768389U (en) * | 2017-06-08 | 2017-12-19 | 宁波卡维自动化科技有限公司 | The anti-Bird's Nest device of sewing machine |
| CN107268203A (en) * | 2017-06-29 | 2017-10-20 | 杰克缝纫机股份有限公司 | A kind of thread-moving device |
| CN208219152U (en) * | 2018-03-31 | 2018-12-11 | 宁波舒普机电股份有限公司 | A kind of trimming thread ends control mechanism of sewing machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564823A (en) * | 2021-09-23 | 2021-10-29 | 南通喜腾箱包制造有限公司 | Convenient sewing manufacturing machine tool for luggage inner container |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Applicant after: Shupu Intelligent Technology Co.,Ltd. Address before: 315100 Zhejiang city of Ningbo province Yinzhou District Jingu Road No. 219 Applicant before: NINGBO SUPREME ELECTRONIC MACHINERY Inc. |
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| CB02 | Change of applicant information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180824 |