CN206768389U - The anti-Bird's Nest device of sewing machine - Google Patents
The anti-Bird's Nest device of sewing machine Download PDFInfo
- Publication number
- CN206768389U CN206768389U CN201720660333.6U CN201720660333U CN206768389U CN 206768389 U CN206768389 U CN 206768389U CN 201720660333 U CN201720660333 U CN 201720660333U CN 206768389 U CN206768389 U CN 206768389U
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- presser feet
- pull hook
- bird
- sewing machine
- installation body
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Abstract
The utility model discloses a kind of anti-Bird's Nest device of sewing machine, including presser feet and presser feet installation body, presser feet and presser feet installation body are hinged, it is characterized in, in addition to aspiration channel, pull hook, blade and force application apparatus, blade are installed between presser feet presser feet installation body, presser feet installation body is provided with a perforate, aspiration channel and pull hook are mounted in the perforate of presser feet installation body, and pull hook is fixedly connected with force application apparatus, and force application apparatus drives pull hook to stretch out or bounce back.The upper thread that the utility model is caught on by pull hook, so that upper thread can be cut off by blade between presser feet and presser feet installation body, the end of a thread cut off is collected by aspiration channel suction, it is achieved thereby that the not advanced quality of sewing of resident bird nest, eliminate and last pluck line procedures, discarded the end of a thread is also collected well, is eliminated and is swept work.
Description
Technical field
A kind of anti-Bird's Nest device of sewing machine is the utility model is related to, belongs to industrial sewing machine technical field.
Background technology
When " Bird's Nest " is that flat seam machine plays seam, upper thread, which is stayed on presser feet face, to be started to sew, and ball of string phenomenon occurs in bottom line at beginning,
Sewing machine mainly with a sewing thread, forms a kind of stitching on sewing, one or more layers sewing is interweaved or is united by a seam
Machine.It is generally divided into two kinds of purposes of thin material and thick material, fabric and leather, the modeling such as sewing function sewing fiber crops, silk hair, staple fibre
The products such as material, paper, thin material are generally used for knitted underwear, shirt, uniform etc., thickness material be generally used for all kinds of gym suits, jean,
Fashionable dress, overcoat, shoes and hats, case and bag etc., there is Bird's Nest phenomena impair product quality in existing flat seam machine common fault bottom line when playing seam, residual
Defect rate is higher to wait shortcomings.
Current processing mode mainly has following two：A kind of processing mode is manually to draw the end of a thread when starting sewing
Firmly, the end of a thread is stayed in above sewing, after sewing work terminates, manually carry out repairing the end of a thread processing, such a method adds manually
The amount of labour, and efficiency is low, effect is also not satisfactory.Another processing mode is to be terminated using line device is dialled in upper once sewing
When the end of a thread is lifted, when once being sewed after, by sewing machine thorn cloth hook line act, the end of a thread is taken to below sewing, protect
Card sewing is positive attractive in appearance, and such a mode can not ensure that fabric back is attractive in appearance.
Therefore, in view of the shortcomings of the prior art, a kind of anti-Bird's Nest device of sewing machine is designed, it appears highly significant.
The content of the invention
The purpose of this utility model is exactly in order to solve above mentioned problem existing for prior art, so as to provide a kind of sewing machine
Anti- Bird's Nest device, easily it is deposited in for the end of a thread in solution in the prior art sewing machine sewing process below sewing, forms Bird's Nest
The problem of shape ball of string.
Technical solution of the present utility model is：Presser feet and presser feet the installation body is hinged, in addition to aspiration channel,
Pull hook, thread tension disc, blade and force application apparatus, the blade are installed on the position above presser feet and between presser feet installation body lower section
To put, the presser feet installation body is provided with a perforate, and the aspiration channel and pull hook are mounted in the perforate of presser feet installation body,
The thread tension disc is installed on presser feet installation body, and thread tension disc coordinates for clamping upper thread the end of a thread on sewing machine, institute with pull hook
State pull hook to be fixedly connected with force application apparatus, the force application apparatus drives pull hook to stretch out or bounce back.
Further, the anti-Bird's Nest device of above-mentioned sewing machine, wherein：Aspiration channel front end tapping is towards outside the blade
Edge.
Further, the anti-Bird's Nest device of above-mentioned sewing machine, wherein：The aspiration channel rear end connection induced-draught fan and containing box.
Further, the anti-Bird's Nest device of above-mentioned sewing machine, wherein：The afterbody of the pull hook is provided with pull hook connecting portion, institute
State pull hook connecting portion and be provided with perforate, the pull hook coordinates to fix with force application apparatus and connected by the perforate of pull hook connecting portion and nut
Connect.
Further, the anti-Bird's Nest device of above-mentioned sewing machine, wherein：The thread tension disc is in bending, including the first bending
Portion, the second kink and connecting portion, the lower surface of first kink are affixed on pull hook upper surface, first kink and
The lower end of two kinks is connected, and the second kink upper end is connected with connecting portion, and the connecting portion installs this with presser feet
Body phase connects.
Yet further, the anti-Bird's Nest device of above-mentioned sewing machine, wherein：The connecting portion is provided with a perforate, the clamp
Piece is coordinated by the perforate of connecting portion and nut to be fixedly connected with presser feet installation body
Yet further, the anti-Bird's Nest device of above-mentioned sewing machine, wherein：The force application mechanism is cylinder, electromagnet or motor.
The substantive distinguishing features and significant technological progress that the utility model protrudes are mainly reflected in：The utility model passes through drawing
Hook, thread tension disc, cylinder and blades fit, upper thread the end of a thread that pull hook is caught on so that upper thread the end of a thread can install this by presser feet and presser feet
Blade is cut off between body, and the end of a thread cut off is collected by aspiration channel suction, it is achieved thereby that the not advanced seam of resident bird nest
Product matter, eliminates last line procedures of plucking, and discarded the end of a thread is also collected, eliminates and sweep work well.
Brief description of the drawings
Fig. 1 is the anti-Bird's Nest device overall structure diagram of sewing machine；
Fig. 2 is the anti-Bird's Nest device blade assembling schematic diagram of sewing machine；
Fig. 3 is the anti-Bird's Nest device pull hook connection diagram of sewing machine；
Fig. 4 is that the anti-Bird's Nest device of sewing machine uses schematic diagram；
Fig. 5 is thread tension disc schematic diagram.
In figure, the implication of each reference is：1-presser feet, 2-presser feet installation body, 3-aspiration channel, 4-pull hook,
41-pull hook connecting portion, 5-cylinder, 6-thread tension disc, 7-blade, 8-eedle, 9-upper thread.
Embodiment
Below by way of accompanying drawing combination embodiment, the utility model is described in further details.
As shown in Figures 1 and 2, the anti-Bird's Nest device of the utility model sewing machine includes presser feet 1, presser feet installation body 2, air draught
Pipe 3, pull hook 4, blade 7 and cylinder 5, presser feet 1 and presser feet installation body 2 are hinged, and blade 7 is installed on the top of presser feet 1 and presser feet
Position between the lower section of body 2 is installed, presser feet installation body 2 is provided with a perforate, and the aspiration channel 3 and pull hook 4 are mounted on
In the perforate of presser feet installation body 2, the pull hook 4 is installed on the top of aspiration channel 3, and the afterbody of pull hook 4 is fixedly connected with cylinder 5,
The cylinder 5 drives pull hook 4 to stretch out or bounce back.Thread tension disc 6 is additionally provided with presser feet installation body 2.Thread tension disc 6 coordinates with pull hook 4,
For clamping the upper thread of sewing.
As shown in figure 3, the afterbody of pull hook 4 is provided with pull hook connecting portion 41, pull hook connecting portion 41 is provided with perforate, and pull hook 4 is logical
Cross the perforate of pull hook connecting portion 41 and nut coordinates and the piston rod of cylinder 5 bolt.
As shown in Figure 4 and Figure 5, thread tension disc 6 is in bending, including the first kink 61, the second kink 62 and connecting portion
63, the lower surface of the first kink 61 is affixed on the upper surface of pull hook 4, and the first kink 61 is connected with the lower end of the second kink 62
Connect, the upper end of the second kink 62 is connected with connecting portion 63, and connecting portion 63 is connected with presser feet installation body 2 front portion.Connecting portion
63 are provided with a perforate, are connected between connecting portion 63 and presser feet installation body 2, can be matched somebody with somebody by the opening of nut and connecting portion 63
Close, so as to adjust the position of thread tension disc 6, be easy to thread tension disc 6 and pull hook 4 coordinates and clamps upper thread.
Preferably, the rear portion of aspiration channel 3 can connect induced-draught fan and containing box, the front end perforate face blade 7 of aspiration channel 3 it is outer
Edge, it is easy to siphon away the end of a thread that blade 7 is cut off, and by the end of a thread Collection and conservation in containing box.7 preferably circular blade of blade.
In addition, cylinder 5 can also be replaced by electromagnet, motor or other force application apparatus.
As shown in figure 4, the utility model, before sewing starts, cylinder 5 promotes pull hook 4 to do an expanding-contracting action, by upper thread 9
The end of a thread catch on tension, and the end of a thread of upper thread 9 is sandwiched between pull hook 4 and thread tension disc 6, now the end of a thread face blade of upper thread 9
7, when sewing starts, upper thread 9 keeps having started seam, sewing machine cabling, the thorn cloth of eedle 8, the face that pull hook 4 is caught on the premise of reaching the standard grade
The end of a thread of line 9 can be cut off by blade 7 between presser feet 1 and presser feet installation body 2, and the end of a thread cut off now is sandwiched in pull hook 4
Between thread tension disc 6, after sewing terminates, after receiving the trimming signal that sewing machine carries, the moment of pull hook 4 stretches out and then returned
Contracting, aspiration channel 3 sucks the end of a thread of the upper thread 9 cut off by blade 7 in the process, and collects, it is achieved thereby that not resident bird
The advanced quality of sewing of nest, eliminates last line procedures of plucking, and discarded the end of a thread is also collected, eliminates and sweep work well
Make.
Certainly, it is representative instance of the present utility model above, in addition, the utility model can also have other a variety of
Embodiment, all technical schemes formed using equivalent substitution or equivalent transformation, all falls within the requires of the utility model protection
Within the scope of.
Claims (7)
1. the anti-Bird's Nest device of sewing machine, including presser feet and presser feet installation body, presser feet and presser feet the installation body are hinged, its
It is characterised by：Also include aspiration channel, pull hook, thread tension disc, blade and force application apparatus, the blade is installed on above presser feet and presser feet
Position between installing below body, the presser feet installation body are provided with a perforate, and the aspiration channel and pull hook are mounted on
In the perforate of presser feet installation body, the thread tension disc is installed on presser feet installation body, and thread tension disc coordinates for clamping with pull hook
Upper thread the end of a thread on sewing machine, the pull hook are fixedly connected with force application apparatus, and the force application apparatus drives pull hook to stretch out or bounce back.
2. the anti-Bird's Nest device of sewing machine according to claim 1, it is characterised in that：The aspiration channel front end tapping direction
The blade outer edge.
3. the anti-Bird's Nest device of sewing machine according to claim 1, it is characterised in that：The aspiration channel rear end connects induced-draught fan
And containing box.
4. the anti-Bird's Nest device of sewing machine according to claim 1, it is characterised in that：The afterbody of the pull hook connects provided with pull hook
Socket part, the pull hook connecting portion are provided with perforate, and the pull hook is coordinated by the perforate of pull hook connecting portion and nut to be filled with force
Put and be fixedly connected.
5. the anti-Bird's Nest device of sewing machine according to claim 1, it is characterised in that：The thread tension disc is in bending, including
First kink, the second kink and connecting portion, the lower surface of first kink are affixed on pull hook upper surface, and described first is curved
Folding part is connected with the lower end of the second kink, and the second kink upper end is connected with connecting portion, the connecting portion and pressure
Pin installation body is connected.
6. the anti-Bird's Nest device of sewing machine according to claim 5, it is characterised in that：The connecting portion is provided with a perforate,
The thread tension disc is coordinated by the perforate of connecting portion and nut to be fixedly connected with presser feet installation body.
7. the anti-Bird's Nest device of sewing machine according to claim 1, it is characterised in that：The force application apparatus is cylinder, electromagnetism
Iron or motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660333.6U CN206768389U (en) | 2017-06-08 | 2017-06-08 | The anti-Bird's Nest device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720660333.6U CN206768389U (en) | 2017-06-08 | 2017-06-08 | The anti-Bird's Nest device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206768389U true CN206768389U (en) | 2017-12-19 |
Family
ID=60636553
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720660333.6U Active CN206768389U (en) | 2017-06-08 | 2017-06-08 | The anti-Bird's Nest device of sewing machine |
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| CN (1) | CN206768389U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108251987A (en) * | 2018-04-23 | 2018-07-06 | 浙江美机缝纫机有限公司 | Sewing machine removes Bird's Nest device |
| CN108442051A (en) * | 2018-03-31 | 2018-08-24 | 宁波舒普机电股份有限公司 | A kind of trimming thread ends control mechanism of sewing machine |
| CN110656447A (en) * | 2018-06-29 | 2020-01-07 | 兄弟工业株式会社 | Sewing machine |
-
2017
- 2017-06-08 CN CN201720660333.6U patent/CN206768389U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108442051A (en) * | 2018-03-31 | 2018-08-24 | 宁波舒普机电股份有限公司 | A kind of trimming thread ends control mechanism of sewing machine |
| CN108251987A (en) * | 2018-04-23 | 2018-07-06 | 浙江美机缝纫机有限公司 | Sewing machine removes Bird's Nest device |
| CN110656447A (en) * | 2018-06-29 | 2020-01-07 | 兄弟工业株式会社 | Sewing machine |
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