CN107059267A - A kind of simple take-up governor motion of sewing machine and sewing machine - Google Patents
A kind of simple take-up governor motion of sewing machine and sewing machine Download PDFInfo
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- CN107059267A CN107059267A CN201710456451.XA CN201710456451A CN107059267A CN 107059267 A CN107059267 A CN 107059267A CN 201710456451 A CN201710456451 A CN 201710456451A CN 107059267 A CN107059267 A CN 107059267A
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- Prior art keywords
- eccentric wheel
- take
- eccentric
- regulation
- feed tip
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B49/00—Take-up devices, e.g. levers, for the needle thread
- D05B49/02—Take-up devices, e.g. levers, for the needle thread operated by cams or linkages
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of simple take-up governor motion of sewing machine, including upper axle, line-choosing connecting rod, adjust eccentric wheel, take-up eccentric wheel, feed tip eccentric wheel, and alignment pin, eccentric wheel is adjusted provided with regulation eccentric part, take-up eccentric wheel is installed in rotation on the periphery of regulation eccentric part, one end of line-choosing connecting rod is installed in rotation on the periphery of take-up eccentric wheel, the centre of gyration O1 of upper axle, adjust the cooperation center O2 of eccentric part and take-up eccentric wheel, and cooperation center O3 three's eccentric setting of take-up eccentric wheel and line-choosing connecting rod, alignment pin is fixed in take-up eccentric wheel, and one end of alignment pin is arranged in the positioning hole of feed tip eccentric wheel；When take-up amount is adjusted, upper axle, feed tip eccentric wheel and take-up eccentric wheel three geo-stationary are simultaneously relatively rotated with regulation eccentric wheel, change the take-up eccentricity L between take-up eccentric wheel and the cooperation center O3 of line-choosing connecting rod and the centre of gyration O1 of upper axle, the regulation of sewing machine take-up amount is realized, sewing quality is improved.
Description
Technical field
The present invention relates to a kind of garment sewing equipment, more particularly to a kind of simple take-up governor motion of sewing machine and sewing
Machine.
Background technology
At present, the take-up amount of the Yarn taking-up mechanism configured in flat seaming machine is fixed value, involved by the flat seaming machine of different brands
And take-up amount size may be different, but for the flat seaming machine of same brand and same model, its take-up amount is constant
It is constant.But, required to form the stitching of better appearance and meet high-quality sewing, the sewing need pair of different-thickness
Different size of take-up amount is answered, but the flat seaming machine of the take-up amount with fixed value can not meet above-mentioned requirements in the market, no
Possesses preferably sewing adaptability, so as to influence to form the aesthetics of stitching so that sewing quality is had a greatly reduced quality.
The content of the invention
The shortcoming of prior art, is adjusted it is an object of the invention to provide a kind of simple take-up of sewing machine in view of the above
Mechanism, realizes the adjustable of take-up amount.
To achieve the above object, a kind of simple take-up governor motion of sewing machine of present invention offer, including rotatable upper axle,
The line-choosing connecting rod of driving Yarn taking-up mechanism action, the regulation eccentric wheel on upper axle, take-up eccentric wheel, it is fixed on upper axle
Feed tip eccentric wheel and the alignment pin parallel to upper axle, the regulation eccentric wheel is towards one end of take-up eccentric wheel provided with axially
Prominent regulation eccentric part, the take-up eccentric wheel is installed in rotation on the periphery of regulation eccentric part, and the line-choosing connecting rod is remote
One end from Yarn taking-up mechanism is installed in rotation on the periphery of take-up eccentric wheel, and the centre of gyration O1 of the upper axle, regulation are eccentric
Portion and the cooperation center O2 and cooperation center O3 three's eccentric setting of take-up eccentric wheel and line-choosing connecting rod of take-up eccentric wheel,
The alignment pin be fixed in take-up eccentric wheel and alignment pin one end stretched out from take-up eccentric wheel after to be arranged on feed tip eccentric
In the positioning hole of wheel；Take-up amount adjust when, the upper axle, feed tip eccentric wheel and take-up eccentric wheel three geo-stationary and with tune
Save eccentric wheel to relatively rotate, change between take-up eccentric wheel and the cooperation center O3 of line-choosing connecting rod and the centre of gyration O1 of upper axle
Take-up eccentricity L.
Further, in addition to for driving the feed tip connecting rod of feed tip mechanism action, the feed tip connecting rod is away from feed tip machine
One end of structure is installed in rotation on the periphery of feed tip eccentric wheel, the centre of gyration O1 and feed tip eccentric wheel and feed tip of the upper axle
The cooperation center O4 eccentric settings of connecting rod.
Preferably, in addition to the eccentric cover plate that is enclosed on axle, the feed tip connecting rod has to be connected with feed tip eccentric wheel
Feed tip connecting portion, the eccentric cover plate is fixed on feed tip eccentric wheel dorsad on the end face of take-up eccentric wheel, and eccentric cover plate covers
Lid feed tip eccentric wheel and feed tip connecting portion.
Further, the end of the upper axle is fixed with handwheel, and the handwheel is located at the outside of sewing machine case.
Further, the regulation eccentric wheel is towards offering stopper slot, the alignment pin on the end face of take-up eccentric wheel
The other end stretched out from take-up eccentric wheel after be slidably mounted in stopper slot.
Preferably, the through hole for housing regulation eccentric part is offered in the take-up eccentric wheel, the hole wall of the through hole includes two
Section is slidably matched the arc surfaces that plane and two sections are located between the plane that is slidably matched, and two sections are slidably matched plane to adjust partially
Center portion and the cooperation center O2 of take-up eccentric wheel are symmetrical arranged, it is described be slidably matched plane with regulation eccentric part be slidably matched and
For linear contact lay, the arc surface is not contacted with regulation eccentric part.
Further, the Yarn taking-up mechanism includes crossing line seat axle, the looper being fixed on line seat axle perpendicular to upper axle
Crank, be fixed on line seat shaft end cross line seat and be arranged on line seat on cross line plate and cross line plate pressing plate, it is described curved
Pin crank is provided with ball head away from the one end for crossing line seat axle, and the other end of the line-choosing connecting rod offers the collecting of accommodating ball head
Hole, the ball head coordinates with accepting hole to be universal.
Preferably, it is described regulation eccentric wheel be installed on by lock-screw on upper axle, the regulation eccentric wheel offer with
Outside the screwed hole that lock-screw is engaged, radial direction insertion regulation eccentric wheel of the screwed hole along upper axle, and regulation eccentric wheel
Transverse plane is provided with side face at the outer end of screwed hole.
The present invention, which is also provided, is provided with the simple take-up regulation of sewing machine as described above in a kind of sewing machine, the sewing machine
Mechanism.
As described above, the simple take-up governor motion of sewing machine of the present invention and sewing machine, have the advantages that：
The application can adjust take-up eccentricity L, so that the amplitude of fluctuation that axle driving line-choosing connecting rod is swung is adjusted, it is final real
The regulation of existing sewing machine take-up amount, disclosure satisfy that requirement of the sewing of different-thickness to take-up amount size, advantageously forms high-quality
Amount and stitching attractive in appearance, so that sewing quality is significantly increased.
Brief description of the drawings
Fig. 1 is the structural representation of the simple take-up governor motion of sewing machine in the application.
Fig. 2 is that Fig. 1 omits the structural representation after casing.
Fig. 3 is Fig. 2 explosive view.
Fig. 4 is sectional views of the Fig. 2 along alignment pin radial direction.
Fig. 5 is the structural representation of regulation eccentric wheel in the application.
Fig. 6 is the structural representation of take-up eccentric wheel in the application.
Fig. 7 is main shaft, regulation eccentric wheel, the fiting relation figure of take-up eccentric wheel and line-choosing connecting rod in the application.
Fig. 8 is the fiting relation figure of main shaft, feed tip eccentric wheel and feed tip connecting rod in the application.
Fig. 9 is the mechanism principle figure of the simple take-up governor motion of sewing machine in application.
Component label instructions
1 casing
Axle on 2
3 line-choosing connecting rods
31 accepting holes
4 regulation eccentric wheels
41 regulation eccentric parts
42 stopper slots
43 screwed holes
44 transverse planes
5 take-up eccentric wheels
51 through holes
52 are slidably matched plane
53 arc surfaces
6 feed tip eccentric wheels
61 feed tip eccentric parts
62 feed tip bodies
7 feed tip connecting rods
71 feed tip connecting portions
9 eccentric cover plates
10 handwheels
11 alignment pins
12 cross line seat axle
13 curved needle cranks
131 ball heads
14 cross line seat
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
It should be clear that structure, ratio, size that this specification accompanying drawing is painted etc., only to coordinate in disclosed in specification
Hold, so that those skilled in the art is understood with reading, be not limited to enforceable qualifications of the invention, therefore do not have skill
Essential meaning in art, the modification of any structure, the change of proportionate relationship or the adjustment of size can be produced not influenceing the present invention
Under raw effect and the purpose that can reach, all should still it fall in the range of disclosed technology contents can be covered.Together
When, the term of cited such as " on ", " under " in this specification, "left", "right", " centre " and " one " is merely convenient to chat
State clearly, and be not used to limit enforceable scope of the invention, being altered or modified for its relativeness is changing technology without essence
Inside hold, when being also considered as enforceable category of the invention.
In following examples, all directions are defined as follows：The axial direction of upper axle 2 is defined as left and right directions, and upper axle 2 is close
In one end of head of sewing machine be left direction, upper axle 2 close to one end of sewing machine tail be right-hand member.
The application provides a kind of simple take-up governor motion of sewing machine, flat seaming machine is particularly suitable for use in, in certain limit
The take-up amount size of interior regulation flat seaming machine.As shown in Figures 1 to 4, the simple take-up governor motion of sewing machine includes upper axle 2, driving
The line-choosing connecting rod 3 of Yarn taking-up mechanism action, the regulation eccentric wheel 4 on upper axle 2, take-up eccentric wheel 5, it is fixed on upper axle 2
Feed tip eccentric wheel 6 and the alignment pin 11 parallel to upper axle 2, the upper axle 2 is installed in rotation in sewing machine case 1,
The feed tip eccentric wheel 6, take-up eccentric wheel 5 and regulation eccentric wheel 4 are arranged successively from left to right.It is described regulation eccentric wheel 4 towards
The left side of take-up eccentric wheel 5 is rotatably mounted provided with regulation eccentric part 41 axially projecting to the left, the take-up eccentric wheel 5
In the periphery of regulation eccentric part 41, the upper end of the line-choosing connecting rod 3 away from Yarn taking-up mechanism is installed in rotation on take-up eccentric wheel 5
Periphery.The alignment pin 11 is tightly located in take-up eccentric wheel 5, therefore alignment pin 11 is mutually fixed with take-up eccentric wheel 5；
The left end of alignment pin 11 is arranged in the positioning hole of feed tip eccentric wheel 6 and and positioning hole after being stretched out to the left from take-up eccentric wheel 5
It is engaged.As shown in figures 7 and 9, in the centre of gyration O1 of the upper axle 2, regulation eccentric part 41 and take-up eccentric wheel 5 cooperation
Heart O2 and take-up eccentric wheel 5 and line-choosing connecting rod 3 cooperation center O3 three's eccentric setting.
During normal sewing, upper axle 2, feed tip eccentric wheel 6, take-up eccentric wheel 5 and the regulation geo-stationary of eccentric wheel 4 four, therefore
Upper axle 2 drives the regulation synchronous axial system of eccentric wheel 4, drives line-choosing connecting rod 3 to swing by take-up eccentric wheel 5, take-up eccentric wheel 5 is with choosing
Take-up eccentricity L between the cooperation center O3 of line connecting rod 3 and the centre of gyration O1 of upper axle 2 determines that upper axle 2 drives line-choosing connecting rod 3
The amplitude of fluctuation of swing.When take-up amount is adjusted, as shown in figures 4 and 9, upper axle 2 is relatively rotated with regulation eccentric wheel 4, due to upper
Axle 2 is mutually fixed with feed tip eccentric wheel 6, and feed tip eccentric wheel 6 is connected further through alignment pin 11 with take-up eccentric wheel 5, therefore upper axle
2nd, feed tip eccentric wheel 6 and the three's geo-stationary of take-up eccentric wheel 5 and with regulation eccentric wheel 4 relatively rotate, take-up eccentric wheel 5 with
Certain angle is turned over centered on alignment pin 11, so as to change regulation eccentric part 41 and the cooperation center O2's of take-up eccentric wheel 5
Position, namely change the centre of gyration O1 of upper axle 2, the cooperation center O2 and take-up of regulation eccentric part 41 and take-up eccentric wheel 5
Eccentric wheel 5 and the relative position of the cooperation center O3 three of line-choosing connecting rod 3, so as to change take-up eccentric wheel 5 and line-choosing connecting rod 3
Take-up eccentricity L between cooperation center O3 and the centre of gyration O1 of upper axle 2, and then upper axle 2 drives when adjusting sewing machine sewing
The amplitude of fluctuation that line-choosing connecting rod 3 is swung, finally realizes the regulation of sewing machine take-up amount, disclosure satisfy that the sewing of different-thickness to choosing
The requirement of line amount size, advantageously forms high-quality and attractive in appearance stitching, so that sewing quality is significantly increased.
Further, feed tip eccentric wheel 6 is fixed by screws on axle 2, and the simple take-up governor motion of sewing machine is also wrapped
The feed tip connecting rod 7 that one end is installed in rotation on the periphery of feed tip eccentric wheel 6 is included, as shown in figure 8, the centre of gyration of the upper axle 2
O1 and feed tip eccentric wheel 6 and feed tip connecting rod 7 cooperation center O4 eccentric settings.During normal sewing, upper axle 2 is rotated, and drives feed tip
Eccentric wheel 6 is synchronously rotated, and driving feed tip connecting rod 7 is swung, and then drives the feed tip mechanism action in sewing machine.The feed tip machine
Structure is prior art, and concrete structure refers to the platform-type straight drive flat seaming machine produced by Jack's sewing machine limited company,
Model JK-8569ADI, therefore not reinflated narration herein.The simple take-up governor motion of sewing machine is also inclined on axle 2 including being enclosed on
Heart cover plate 9, as shown in Figures 2 and 3, the left end of feed tip eccentric wheel 6 have the feed tip eccentric part 61 being engaged with feed tip connecting rod 7,
The right-hand member of feed tip eccentric wheel 6 has the feed tip body 62 being located between feed tip connecting rod 7 and line-choosing connecting rod 3, a left side for alignment pin 11
End is engaged with feed tip body 62；Feed tip connecting rod 7 has the feed tip connecting portion 71 being connected with feed tip eccentric wheel 6, eccentric cover
Plate 9 is fixed in feed tip eccentric wheel 6 feed tip eccentric part 61 dorsad on the left side of take-up eccentric wheel 5, and the eccentric covering of cover plate 9 is fed
The feed tip eccentric part 61 and feed tip connecting portion 71 of pin eccentric wheel 6.
Preferably, the regulation eccentric wheel 4 is installed on upper axle 2 by fasteners such as lock-screws, as shown in figure 5, described
The screwed hole 43 being engaged with lock-screw is offered on regulation eccentric wheel 4, radial direction insertion of the screwed hole 43 along upper axle 2 is adjusted
Save and transverse plane 44 is provided with the outer end of screwed hole 43 on eccentric wheel 4, and the outer peripheral face of regulation eccentric wheel 4, consequently facilitating processing
Screwed hole 43 and the machining accuracy for improving screwed hole 43.The right part of the upper axle 2 is fixed with handwheel 10, and the handwheel 10 is located at
The outside of sewing machine case 1.
Upper axle 2, alignment pin 11, feed tip eccentric wheel 6, take-up eccentric wheel 5 and regulation eccentric wheel 4, which are constituted, realizes that sewing machine is eccentric
Measure adjustable " crank-rocker mechanism ", its mechanism principle figure is as shown in figure 9, in Fig. 9, the centre of gyration O1 of axle 2 in point A correspondences,
The cooperation center O2 of point B correspondences regulation eccentric part 41 and take-up eccentric wheel 5, point D correspondence take-up eccentric wheel 5 and line-choosing connecting rod 3
The cooperation center O4 of cooperation center O3, point C correspondence feed tip eccentric wheel 6 and feed tip connecting rod 7, point E correspondence alignment pin 11, therefore 2 points of AD
The distance between length correspondence take-up eccentricity L size.When take-up amount is adjusted, unscrew after lock-screw, use screw
The instruments such as knife prop up the screwed hole 43 adjusted on eccentric wheel 4, the rotation of limitation regulation eccentric wheel 4, rotate handwheel 10, then handwheel 10
The synchronous axial system of feed tip eccentric wheel 6 is driven, feed tip eccentric wheel 6 drives the synchronous axial system of take-up eccentric wheel 5 by alignment pin 11, therefore adjusts
Eccentric wheel 4 changes relative to the position angle of upper axle 2, feed tip eccentric wheel 6 and take-up eccentric wheel 5, can make take-up eccentric wheel 5
Certain angle is turned over relative to regulation eccentric wheel 4, so as to make regulation eccentric wheel 4 (i.e. AB bars) relative to take-up eccentric wheel 5
(i.e. BD bars) turns over certain angle, thus in Fig. 9 triangle ABD AD point-to-point transmissions, final regulation adjusted apart from size
The take-up amount of take-up eccentricity L and sewing machine.After regulation terminates, lock-screw is tightened, and regulation eccentric wheel 4 is fixed on axle 2.
In normal sewing, the relative position of AB bars and BD bars is fixed in Fig. 9 triangle ABD, and due to feed tip eccentric wheel 6 and regulation
Eccentric wheel 4 is all fixed on axle 2 and take-up eccentric wheel 5 is connected with feed tip eccentric wheel 6 by alignment pin 11, so that
Obtain feed tip eccentric wheel 6, take-up eccentric wheel 5 and the regulation three of eccentric wheel 4 synchronously to rotate with upper axle 2, driving line-choosing connecting rod 3 is put
It is dynamic, and then drive Yarn taking-up mechanism action.
Further, as shown in Figure 4 and Figure 5, the regulation eccentric wheel 4 is towards opening up on the left side of take-up eccentric wheel 5
Limited location groove 42, the right-hand member of the alignment pin 11 is slidably mounted on stopper slot 42 after being stretched out to the right from take-up eccentric wheel 5
In, regulation eccentric wheel 4 can be constrained relative to the angle that upper axle 2 is turned over by the mutual cooperation of alignment pin 11 and stopper slot 42, from
And define the adjustable range of take-up eccentricity L and the take-up amount of sewing machine.In the present embodiment, the scope of take-up eccentricity L is
3.0mm-3.5mm。
Preferably, as shown in Figure 3 and Figure 6, collecting regulation eccentric part 41 and left and right are offered in the take-up eccentric wheel 5
The through hole 51 of insertion, the hole wall of the through hole 51 is slidably matched plane 52 including two sections and two sections are located at the plane 52 that is slidably matched
Between arc surface 53, two sections to be slidably matched plane 52 symmetrical to adjust the cooperation center O2 of eccentric part 41 and take-up eccentric wheel 5
Set, the plane 52 that is slidably matched is slidably matched with regulation eccentric part 41 and is linear contact lay, therefore two sections of planes 52 that are slidably matched
Determine the cooperation center O2 of regulation eccentric part 41 and take-up eccentric wheel 5；The arc surface 53 is located at the periphery of regulation eccentric part 41
Side and with regulation eccentric part 41 do not contact, it is to avoid adjust take-up eccentricity L during to adjust eccentric part 41 stroke produce
Raw interference, additionally it is possible to frictional force when reducing the regulation of take-up amount between take-up eccentric wheel 5 and regulation eccentric part 41, is easy to rotate hand
Wheel 10.
Further, as shown in Figures 2 and 3, the Yarn taking-up mechanism includes the seat of the line excessively axle 12 perpendicular to upper axle 2, fixation
Curved needle crank 13 on line seat axle 12 is crossed, it was fixed on crossing line seat 14 and being arranged on line seat 14 for line seat axle 12 end
On cross line plate and cross line plate pressing plate, described cross before and after line seat axle 12 extends, and the curved needle crank 13 is away from crossing line seat axle 12
Left end is provided with ball head 131, and the lower end of the line-choosing connecting rod 3 offers the accepting hole 31 of accommodating ball head 131, the ball head
131 with accepting hole 31 it is universal coordinate；In other words, ball head 131 has spherical outside surface, and the hole wall of accepting hole 31 has Internal Spherical Surface, ball
The outer peripheral face on head 131 is engaged with the Internal Spherical Surface of accepting hole 31.Upper axle 2 is driven by adjusting eccentric wheel 4 and take-up eccentric wheel 5
Line-choosing connecting rod 3 is swung, and line-choosing connecting rod 3 drove line seat axle 12 to swing by curved needle crank 13 again, so as to drive line seat 14, mistake
Line plate is acted with line plate pressing plate is crossed, and realizes take-up.
The present invention also provides in a kind of sewing machine, particularly flat seaming machine, the sewing machine and is provided with sewing as described above
The simple take-up governor motion of machine.
In summary, the simple take-up governor motion of sewing machine that the application is related to realizes flat seaming machine take-up offset and chosen
Adjustable, the step-less adjustment of take-up offset in the range of achievable 3.0mm-3.5mm as needed so that flat seaming machine possesses of line amount
More preferable sewing adaptability, enhances the product synthesized competitiveness of flat seaming machine, also, the upper axle in the application be an optical axis,
Rather than bent axle of the prior art, so as to simplify upper axle self structure so that upper section assembly technology is more simple in flat seaming machine.
So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (9)
1. a kind of simple take-up governor motion of sewing machine, including rotatably go up axle (2) and drive choosing for Yarn taking-up mechanism action
Line connecting rod (3), it is characterised in that：Also include the regulation eccentric wheel (4) on upper axle (2), take-up eccentric wheel (5), fix
Feed tip eccentric wheel (6) on upper axle (2) and the alignment pin (11) parallel to upper axle (2), described regulation eccentric wheel (4) face
Axially projecting regulation eccentric part (41) is provided with to one end of take-up eccentric wheel (5), the take-up eccentric wheel (5) is rotationally pacified
Mounted in the periphery of regulation eccentric part (41), the one end of the line-choosing connecting rod (3) away from Yarn taking-up mechanism is installed in rotation on take-up
The periphery of eccentric wheel (5), the centre of gyration O1 of the upper axle (2), regulation eccentric part (41) with the cooperation of take-up eccentric wheel (5)
Heart O2 and take-up eccentric wheel (5) and line-choosing connecting rod (3) cooperation center O3 three's eccentric setting, the alignment pin (11) are solid
Be scheduled in take-up eccentric wheel (5) and alignment pin (11) one end stretched out from take-up eccentric wheel (5) after be arranged on feed tip eccentric wheel
(6) in positioning hole；When take-up amount is adjusted, the upper axle (2), feed tip eccentric wheel (6) and take-up eccentric wheel (5) three are relatively quiet
Only and with regulation eccentric wheel (4) relatively rotate, change the cooperation center O3 and upper axle of take-up eccentric wheel (5) and line-choosing connecting rod (3)
(2) the take-up eccentricity L between centre of gyration O1.
2. the simple take-up governor motion of sewing machine according to claim 1, it is characterised in that：Also include being used to drive feed tip
The feed tip connecting rod (7) of mechanism action, it is eccentric that the one end of the feed tip connecting rod (7) away from feed tip mechanism is installed in rotation on feed tip
The periphery of (6) is taken turns, the centre of gyration O1 of the upper axle (2) and the cooperation center O4 of feed tip eccentric wheel (6) and feed tip connecting rod (7) are inclined
The heart is set.
3. the simple take-up governor motion of sewing machine according to claim 2, it is characterised in that：Also include being enclosed on axle (2)
On eccentric cover plate (9), the feed tip connecting rod (7) has the feed tip connecting portion (71) that is connected with feed tip eccentric wheel (6), described
Eccentric cover plate (9) is fixed on feed tip eccentric wheel (6) dorsad on the end face of take-up eccentric wheel (5), and eccentric cover plate (9) covering feed tip
Eccentric wheel (6) and feed tip connecting portion (71).
4. the simple take-up governor motion of sewing machine according to claim 1, it is characterised in that：The end of the upper axle (2)
Handwheel (10) is fixed with, the handwheel (10) is located at the outside of sewing machine case (1).
5. the simple take-up governor motion of sewing machine according to claim 1, it is characterised in that：The regulation eccentric wheel (4)
Offer stopper slot (42) on towards the end face of take-up eccentric wheel (5), the other end of the alignment pin (11) is from take-up eccentric wheel
(5) it is slidably mounted on after being stretched out in stopper slot (42).
6. the simple take-up governor motion of sewing machine according to claim 1, it is characterised in that：The take-up eccentric wheel (5)
In offer the through hole (51) for housing regulation eccentric part (41), the hole wall of the through hole (51) includes two sections of planes that are slidably matched
(52) and two sections are located at the arc surfaces (53) being slidably matched between plane (52), two sections of planes that are slidably matched (52) are to adjust
The cooperation center O2 of eccentric part (41) and take-up eccentric wheel (5) is symmetrical arranged, and the plane that is slidably matched (52) is eccentric with regulation
Portion (41) is slidably matched and is linear contact lay, and the arc surface (53) does not contact with regulation eccentric part (41).
7. the simple take-up governor motion of sewing machine according to claim 1, it is characterised in that：The Yarn taking-up mechanism includes hanging down
Straight crossing line seat axle (12), the curved needle crank (13) being fixed on line seat axle (12), be fixed on line seat axle in upper axle (2)
(12) end cross line seat (14) and be arranged on line seat (14) on cross line plate and cross line plate pressing plate, the curved needle crank
(13) ball head (131) is provided with away from the one end for crossing line seat axle (12), the other end of the line-choosing connecting rod (3) offers accommodating ball
The accepting hole (31) on head (131), the ball head (131) coordinates with accepting hole (31) to be universal.
8. the simple take-up governor motion of sewing machine according to claim 1, it is characterised in that：The regulation eccentric wheel (4)
It is installed on by lock-screw on upper axle (2), the regulation eccentric wheel (4) and offers the screwed hole being engaged with lock-screw
(43), radial direction insertion regulation eccentric wheel (4) of the screwed hole (43) along upper axle (2), and on the outer peripheral face of regulation eccentric wheel (4)
Transverse plane (44) is provided with the outer end of screwed hole (43).
9. a kind of sewing machine, it is characterised in that：Sewing machine letter described in claim any one of 1-8 is installed in the sewing machine
Easy take-up governor motion.
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| CN201710456451.XA CN107059267B (en) | 2017-06-16 | 2017-06-16 | A kind of simple take-up regulating mechanism of sewing machine and sewing machine |
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| CN201710456451.XA CN107059267B (en) | 2017-06-16 | 2017-06-16 | A kind of simple take-up regulating mechanism of sewing machine and sewing machine |
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| CN107059267B CN107059267B (en) | 2019-07-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952233A (en) * | 2019-12-12 | 2020-04-03 | 东莞理工学院 | Simple adjusting device of thread take-up mechanism of industrial sewing machine |
| CN114197120A (en) * | 2020-09-18 | 2022-03-18 | 杰克科技股份有限公司 | Thread take-up synchronous adjusting mechanism of flat seaming machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110952233A (en) * | 2019-12-12 | 2020-04-03 | 东莞理工学院 | Simple adjusting device of thread take-up mechanism of industrial sewing machine |
| CN110952233B (en) * | 2019-12-12 | 2021-06-04 | 东莞理工学院 | Simple adjusting device of thread take-up mechanism of industrial sewing machine |
| CN114197120A (en) * | 2020-09-18 | 2022-03-18 | 杰克科技股份有限公司 | Thread take-up synchronous adjusting mechanism of flat seaming machine |
| CN114197120B (en) * | 2020-09-18 | 2023-08-11 | 杰克科技股份有限公司 | Thread take-up synchronous regulating mechanism of flat seaming machine |
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