CN107090673A - 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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- CN107090673A CN107090673A CN201710456863.3A CN201710456863A CN107090673A CN 107090673 A CN107090673 A CN 107090673A CN 201710456863 A CN201710456863 A CN 201710456863A CN 107090673 A CN107090673 A CN 107090673A
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- eccentric wheel
- take
- feed tip
- eccentric
- sewing machine
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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, regulation eccentric wheel and take-up eccentric wheel, eccentric wheel is adjusted to be arranged on upper axle by fastener and 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, the cooperation center O2 and take-up eccentric wheel and cooperation center O3 three's eccentric setting of line-choosing connecting rod for adjusting eccentric part and take-up eccentric wheel；When take-up amount is adjusted, fastener is in the state unscrewed, take-up eccentricity L between upper axle and the relative rotation of regulation eccentric wheel, change take-up eccentric wheel and the cooperation center O3 of line-choosing connecting rod and the centre of gyration O1 of upper axle, the amplitude of fluctuation that axle driving line-choosing connecting rod is swung in regulation, realize the regulation of sewing machine take-up amount, requirement of the sewing of different-thickness to take-up amount size is disclosure satisfy that, sewing quality is significantly increased.
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, regulation eccentric wheel and take-up eccentric wheel of Yarn taking-up mechanism action are driven, the regulation eccentric wheel is pacified by fastener
On upper axle and regulation eccentric wheel towards one end of take-up eccentric wheel be provided with axially projecting regulation eccentric part, the take-up
Eccentric wheel is installed in rotation on the periphery of regulation eccentric part, and the one end of the line-choosing connecting rod away from Yarn taking-up mechanism is rotationally pacified
Mounted in the periphery of take-up eccentric wheel, the centre of gyration O1 of the upper axle, the cooperation center O2 of regulation 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；When take-up amount is adjusted, the fastener is in
The state unscrewed, the upper axle relatively rotates, changed the cooperation center O3 of take-up eccentric wheel and line-choosing connecting rod with regulation eccentric wheel
Take-up eccentricity L between the centre of gyration O1 of upper axle.
Further, in addition to be installed in rotation on feed tip inclined the feed tip eccentric wheel being fixed on axle and one end
The feed tip connecting rod of heart wheel periphery, the centre of gyration O1 and feed tip eccentric wheel of the upper axle are eccentric with the cooperation center O4 of feed tip connecting rod
Set, the feed tip connecting rod is used to drive feed tip mechanism action.
Preferably, the feed tip eccentric wheel is located at the end that take-up eccentric wheel dorsad adjusts eccentric wheel, and feed tip is eccentric
Wheel is with the feed tip eccentric part and the feed tip body between feed tip connecting rod and line-choosing connecting rod being engaged with feed tip connecting rod
Portion, the feed tip body is towards chute is offered on the end face of take-up eccentric wheel, and the end of the take-up eccentric wheel, which is located at, to be slided
It can slide in groove and along the bearing of trend of chute, and the outer peripheral face of take-up eccentric wheel is in contact with the cell wall of chute.
Preferably, the feed tip eccentric wheel is located at the end of regulation eccentric wheel dorsad take-up eccentric wheel；The upper axle exists
The end that take-up eccentric wheel dorsad adjusts eccentric wheel is fixed with fixed block, and the fixed block is towards opening on the end face of take-up eccentric wheel
Provided with chute, the end of the take-up eccentric wheel is located in chute and can slid along the bearing of trend of chute, and take-up eccentric wheel
Outer peripheral face be in contact with the cell wall of chute.
Further, 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
The feed tip connecting portion connect, 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
Cover 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, in addition to parallel to the spacer pin of upper axle, end face of the regulation eccentric wheel towards take-up eccentric wheel
On offer stopper slot, one end of the spacer pin is fixed in take-up eccentric wheel, the other end is slidably mounted on stopper slot
In.
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 is engaged with accepting hole.
Preferably, the fastener is to offer what is be engaged with lock-screw on lock-screw, the regulation eccentric wheel
Screwed hole, radial direction insertion regulation eccentric wheel of the screwed hole along upper axle, and in screwed hole on the outer peripheral face of regulation eccentric wheel
Transverse plane is provided with outer end.
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 embodiment one 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 spacer pin radial direction.
Fig. 5 is the structural representation of feed tip eccentric wheel in Fig. 2.
Fig. 6 is the structural representation of the simple take-up governor motion embodiment two of sewing machine in the application.
Fig. 7 is that Fig. 6 omits the structural representation after casing.
Fig. 8 is Fig. 7 explosive view.
Fig. 9 is sectional views of the Fig. 7 along spacer pin radial direction.
Figure 10 is main shaft, regulation eccentric wheel, the fiting relation figure of take-up eccentric wheel and line-choosing connecting rod in the application.
Figure 11 is the fiting relation figure of main shaft, feed tip eccentric wheel and feed tip connecting rod in the application.
Figure 12 be the application in adjust bias structural representation.
Figure 13 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
6 feed tip eccentric wheels
61 feed tip eccentric parts
62 feed tip bodies
63 chutes
7 feed tip connecting rods
71 feed tip connecting portions
8 fixed blocks
9 eccentric cover plates
10 handwheels
11 spacer 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 Figure 1 to Figure 4 or shown in Fig. 6 to Fig. 9, the simple take-up governor motion of sewing machine includes
Upper axle 2, line-choosing connecting rod 3, regulation eccentric wheel 4 and the take-up eccentric wheel 5 of driving Yarn taking-up mechanism action, the upper axle 2 is rotationally
In sewing machine case 1, it is described regulation eccentric wheel 4 by fastener be arranged on upper axle 2 on and regulation eccentric wheel 4 towards
One end of take-up eccentric wheel 5 is provided with axially projecting regulation eccentric part 41, and the take-up eccentric wheel 5 is installed in rotation on regulation
The periphery of eccentric part 41, the upper end of the line-choosing connecting rod 3 away from Yarn taking-up mechanism is installed in rotation on the outer of take-up eccentric wheel 5
Week.As shown in Figure 10, the centre of gyration O1 of the upper axle 2, the cooperation center O2 of regulation eccentric part 41 and take-up eccentric wheel 5, with
And cooperation center O3 three's eccentric setting of take-up eccentric wheel 5 and line-choosing connecting rod 3.During normal sewing, the fastener, which is in, twists
Tight state, and then regulation eccentric wheel 4 is fixed on upper axle 2；Upper axle 2 is rotated, and drives regulation eccentric wheel 4 synchronously to rotate,
And drive line-choosing connecting rod 3 to swing by take-up eccentric wheel 5, the cooperation center O3 and upper axle 2 of take-up eccentric wheel 5 and line-choosing connecting rod 3
Centre of gyration O1 between take-up eccentricity L determine the amplitude of fluctuation that upper axle 2 drives line-choosing connecting rod 3 to swing.Take-up amount is adjusted
When, the fastener is in the state unscrewed, releasing and is fixedly connected with relation between axle 2 and regulation eccentric wheel 4, and makes axle
2 relatively rotate with regulation eccentric wheel 4, change the position of regulation eccentric part 41 and the cooperation center O2 of take-up eccentric wheel 5, Ye Jigai
The cooperation center O2 and take-up eccentric wheel 5 of the centre of gyration O1 of axle 2 in change, regulation eccentric part 41 and take-up eccentric wheel 5 are with choosing
The relative position of the cooperation center O3 three of line connecting rod 3, so as to change the cooperation center O3 of take-up eccentric wheel 5 and line-choosing connecting rod 3
Take-up eccentricity L between the centre of gyration O1 of upper axle 2, and then the upper driving of axle 2 line-choosing connecting rod 3 is put when adjusting sewing machine sewing
Dynamic amplitude of fluctuation, finally realizes the regulation of sewing machine take-up amount, disclosure satisfy that the sewing of different-thickness to take-up amount size
It is required that, high-quality and attractive in appearance stitching is advantageously formed, so that sewing quality is significantly increased.
Preferably, as shown in figure 12, the fastener is lock-screw, therefore offers and lock on the regulation eccentric wheel 4
The screwed hole 43 that tight screw is engaged, radial direction insertion regulation eccentric wheel 4 of the screwed hole 43 along upper axle 2, and regulation eccentric wheel 4
Outer peripheral face on transverse plane 44 is provided with the outer end of screwed hole 43, consequently facilitating thread mill drilling 43 and improving screwed hole 43
Machining accuracy.
Further, the feed tip that the simple take-up governor motion of sewing machine also includes being fixed by screws on axle 2 is eccentric
Wheel 6 and one end are installed in rotation on the feed tip connecting rod 7 of the periphery of feed tip eccentric wheel 6, as shown in figure 11, time of the upper axle 2
Turn the cooperation center O4 eccentric settings of center O1 and feed tip eccentric wheel 6 and feed tip connecting rod 7.During normal sewing, upper axle 2 is rotated, band
Dynamic 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.It is described
Feed tip mechanism is prior art, and platform-type straight drive that concrete structure refers to be produced by Jack's sewing machine limited company is stretched tight
Seam machine, model JK-8569ADI, therefore not reinflated narration herein.In addition, in order to meet in different sewing requirements, feed tip mechanism
Feed tip eccentric wheel 6 and take-up governor motion in take-up eccentric wheel 5 between angle it is adjustable in certain scope, carry below
For two preferred embodiments of the simple take-up governor motion of sewing machine.
The simple take-up governor motion embodiment one of sewing machine,
As shown in Figures 1 to 4, feed tip eccentric wheel 6, take-up eccentric wheel 5 and regulation eccentric wheel 4 are arranged successively from left to right,
Adjust eccentric part 41 axially extending to the left from the left side of regulation eccentric wheel 4, feed tip eccentric wheel 6 is carried on the back positioned at take-up eccentric wheel 5
To at the left end of regulation eccentric wheel 4；Also, as shown in Figure 4 and Figure 5, the left end of feed tip eccentric wheel 6 has and the phase of feed tip connecting rod 7
The feed tip eccentric part 61 of cooperation, the right-hand member of feed tip eccentric wheel 6 has the feed tip sheet being located between feed tip connecting rod 7 and line-choosing connecting rod 3
Body portion 62, feed tip body 62 is towards offering chute 63, the left part of take-up eccentric wheel 5 on the right side of take-up eccentric wheel 5
It can slide in chute 63 and along the bearing of trend of chute 63, and the cell wall of the outer peripheral face and chute 63 of take-up eccentric wheel 5 is
The groove bottom of linear contact lay, the left side of take-up eccentric wheel 5 and feed tip eccentric wheel 6 at the left end of chute 63 is abutted against.The right side of upper axle 2
End is fixed with handwheel 10, and the handwheel 10 is located at the outside of sewing machine case 1.
Upper axle 2, feed tip eccentric wheel 6, take-up eccentric wheel 5 and regulation eccentric wheel 4 constitute and realize that sewing machine offset is adjustable
" slider-crank mechanism ", its mechanism principle figure is as shown in figure 13, Tu13Zhong, the centre of gyration O1 of axle 2 in point A correspondences, point B correspondences
Adjust the cooperation center O2 of eccentric part 41 and take-up eccentric wheel 5, the cooperation center of point D correspondence take-ups eccentric wheel 5 and line-choosing connecting rod 3
The cooperation center O4 of O3, point C correspondence feed tip eccentric wheel 6 and feed tip connecting rod 7, therefore the distance between 2 points of AD correspondence take-up offsets
L.When take-up amount is adjusted, the upper lid of casing 1 is opened, is unscrewed after lock-screw, it is eccentric to prop up regulation using instruments such as screwdrivers
Screwed hole 43, the rotation of limitation regulation eccentric wheel 4 on wheel 4, rotate handwheel 10, then handwheel 10 drives feed tip eccentric wheel 6 synchronous
Rotate, so that regulation eccentric wheel 4 turns over certain angle relative to upper axle 2, and then make regulation eccentric wheel 4 relative to feed tip
The position angle of eccentric wheel 6 changes, and because the left end of take-up eccentric wheel 5 is all the time in the chute 63 of feed tip eccentric wheel 6
Slide, so that may be such that take-up eccentric wheel 5 (i.e. BD bars) turns over certain angle relative to regulation eccentric wheel 4 (i.e. AB bars), therefore
AD point-to-point transmissions is adjusted apart from size in Figure 13 triangle ABD, the take-up of final regulation take-up eccentricity L and sewing machine
Amount.Adjust after terminating, in normal sewing, the relative position of AB bars and BD bars is fixed in Figure 13 triangle ABD, and due to feeding
Pin eccentric wheel 6 and regulation eccentric wheel 4 are all fixed on axle 2 and the left end of take-up eccentric wheel 5 is located at feed tip eccentric wheel 6
In chute 63, so that feed tip eccentric wheel 6, take-up eccentric wheel 5 and the regulation three of eccentric wheel 4 synchronously rotate with upper axle 2, drive
Dynamic line-choosing connecting rod 3 is swung, and then drives Yarn taking-up mechanism action.
In addition, offer positioning hole on the right side of take-up eccentric wheel 5, be tightly fixed with the positioning hole parallel to
The spacer pin 11 of upper axle 2, regulation eccentric wheel 4 towards the stopper slot 42 offered on the left side of take-up eccentric wheel 5 in circular arc,
The right-hand member of spacer pin 11 is slidably mounted in stopper slot 42, can be constrained by the mutual cooperation of spacer pin 11 and stopper slot 42
Eccentric wheel 4 is adjusted relative to the angle that upper axle 2 is turned over, so as to define the regulation of take-up eccentricity L and the take-up amount of sewing machine
Scope.
The simple take-up governor motion embodiment two of sewing machine,
As shown in Figures 6 to 9, fixed block 8, feed tip eccentric wheel 6, regulation eccentric wheel are also fixed with by screw on upper axle 2
4th, take-up eccentric wheel 5 and fixed block 8 are arranged successively from left to right, and regulation eccentric part 41 is from the right side of regulation eccentric wheel 4
Axially extending to the right, feed tip eccentric wheel 6 is located at regulation eccentric wheel 4 dorsad at the left end of take-up eccentric wheel 5 and feed tip eccentric wheel 6
Integral installation is in feed tip connecting rod 7, therefore feed tip eccentric wheel 6 has and only feed tip eccentric part 61；Fixed block 8 is towards take-up eccentric wheel
Chute 63 is offered on 5 left side, is in predetermined angle between chute 63 and feed tip eccentric wheel 6, the phase of fixed block 8 is adjusted during installation
For the adjustable predetermined angle between chute 63 and feed tip eccentric wheel 6 of position angle of upper axle 2；The right-hand member of take-up eccentric wheel 5
It can slide in chute 63 and along the bearing of trend of chute 63, and the cell wall of the outer peripheral face and chute 63 of take-up eccentric wheel 5 is
The groove bottom of linear contact lay, the right side of take-up eccentric wheel 5 and fixed block 8 at the right-hand member of chute 63 is abutted against.The right-hand member of upper axle 2 is consolidated
Surely there is handwheel 10, the handwheel 10 is located at the outside of sewing machine case 1.
Upper axle 2, feed tip eccentric wheel 6, take-up eccentric wheel 5, regulation eccentric wheel 4 and fixed block 8, which are constituted, realizes that sewing machine is eccentric
Measure adjustable " slider-crank mechanism ", its mechanism principle figure is as shown in figure 13, Tu13Zhong, the centre of gyration of axle 2 in point A correspondences
The cooperation center O2 of O1, point B correspondence regulation eccentric part 41 and take-up eccentric wheel 5, point D correspondence take-up eccentric wheel 5 and line-choosing connecting rod 3
Cooperation center O3, the cooperation center O4 of point C correspondences feed tip eccentric wheel 6 and feed tip connecting rod 7, therefore the distance between 2 points of AD correspondences
Take-up eccentricity L.When take-up amount is adjusted, the upper lid of casing 1 is opened, unscrews after lock-screw, is supported using instruments such as screwdrivers
Screwed hole 43 firmly on regulation eccentric wheel 4, the rotation of limitation regulation eccentric wheel 4, rotate handwheel 10, then handwheel 10 drives feed tip inclined
Heart wheel 6 and the synchronous axial system of fixed block 8, so that regulation eccentric wheel 4 turns over certain angle relative to upper axle 2, and then make tune
Section eccentric wheel 4 changes relative to the position angle of feed tip eccentric wheel 6 and fixed block 8, and due to the right-hand member of take-up eccentric wheel 5
All the time slided in the chute 63 of fixed block 8, and feed tip eccentric wheel 6 has certain angle restriction with chute 63, so as to may be such that
Take-up eccentric wheel 5 (i.e. BD bars) turns over certain angle relative to regulation eccentric wheel 4 (i.e. AB bars), therefore Figure 13 triangle ABD
, the take-up amount of final regulation take-up eccentricity L and sewing machine adjusted apart from size of middle AD point-to-point transmissions.Adjust after terminating,
In normal sewing, the relative position of AB bars and BD bars is fixed in Figure 13 triangle ABD, and due to feed tip eccentric wheel 6, regulation
Eccentric wheel 4 and fixed block 8 are all fixed on axle 2 and the right-hand member of take-up eccentric wheel 5 is located in the chute 63 of fixed block 8, from
And make it that feed tip eccentric wheel 6, take-up eccentric wheel 5, regulation eccentric wheel 4 and fixed block 8 four are synchronously rotated with upper axle 2, drive
Line-choosing connecting rod 3 is swung, and then drives Yarn taking-up mechanism action.
In addition, offer positioning hole on the left side of take-up eccentric wheel 5, be tightly fixed with the positioning hole parallel to
The spacer pin 11 of upper axle 2, regulation eccentric wheel 4 towards the stopper slot 42 offered on the right side of take-up eccentric wheel 5 in circular arc,
The left end of spacer pin 11 is slidably mounted in stopper slot 42, can be constrained by the mutual cooperation of spacer pin 11 and stopper slot 42
Eccentric wheel 4 is adjusted relative to the angle that upper axle 2 is turned over, so as to define the regulation of take-up eccentricity L and the take-up amount of sewing machine
Scope.In the present embodiment, the scope of take-up eccentricity L is 1.5mm-3.5mm, preferably 3.0mm-3.5mm.
In two embodiments of the above-mentioned simple take-up governor motion of sewing machine, as shown in Fig. 3 or Fig. 8, position is cased with upper axle 2
Eccentric cover plate 9 in the left side of feed tip connecting rod 7, feed tip connecting rod 7 has the feed tip connecting portion 71 being connected with feed tip eccentric wheel 6, partially
Heart 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 eccentric cover plate 9 covers
The feed tip eccentric part 61 and feed tip connecting portion 71 of lid feed tip eccentric wheel 6.
Further, as shown in Fig. 3 or Fig. 8, 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 1.5mm-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 (10)
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 regulation eccentric wheel (4) and take-up eccentric wheel (5), the regulation eccentric wheel (4) passes through
Fastener is arranged on upper axle (2) and regulation eccentric wheel (4) is provided with axially projecting tune towards one end of take-up eccentric wheel (5)
Eccentric part (41) is saved, the take-up eccentric wheel (5) is installed in rotation on the periphery of regulation eccentric part (41), the line-choosing connecting rod
(3) one end away from Yarn taking-up mechanism is installed in rotation on the periphery of take-up eccentric wheel (5), the centre of gyration of the upper axle (2)
The cooperation center O2 and take-up eccentric wheel (5) and line-choosing connecting rod (3) of O1, regulation eccentric part (41) and take-up eccentric wheel (5)
Cooperation center O3 three's eccentric setting；When take-up amount is adjusted, the fastener is in the state unscrewed, and the upper axle (2) is with adjusting
Eccentric wheel (4) is saved to relatively rotate, change take-up eccentric wheel (5) and the cooperation center O3 of line-choosing connecting rod (3) and the revolution of upper axle (2)
Take-up eccentricity L between the O1 of center.
2. the simple take-up governor motion of sewing machine according to claim 1, it is characterised in that：Also include being fixed on axle
(2) feed tip eccentric wheel (6) and one end on are installed in rotation on the feed tip connecting rod (7) of feed tip eccentric wheel (6) periphery, institute
The centre of gyration O1 and feed tip eccentric wheel (6) of axle (2) and the cooperation center O4 eccentric settings of feed tip connecting rod (7) are stated, it is described to feed
Pin connecting rod (7) is used to drive feed tip mechanism action.
3. the simple take-up governor motion of sewing machine according to claim 2, it is characterised in that：The feed tip eccentric wheel (6)
The end of eccentric wheel (4) is dorsad adjusted positioned at take-up eccentric wheel (5), and feed tip eccentric wheel (6) has and feed tip connecting rod (7) phase
The feed tip eccentric part (61) of cooperation and the feed tip body (62) between feed tip connecting rod (7) and line-choosing connecting rod (3), institute
Feed tip body (62) is stated towards offering chute (63), the end of the take-up eccentric wheel (5) on the end face of take-up eccentric wheel (5)
Portion is located in chute (63) and can slid along the bearing of trend of chute (63), and the outer peripheral face and chute of take-up eccentric wheel (5)
(63) cell wall is in contact.
4. the simple take-up governor motion of sewing machine according to claim 2, it is characterised in that：The feed tip eccentric wheel (6)
Positioned at the end of regulation eccentric wheel (4) dorsad take-up eccentric wheel (5)；The upper axle (2) is dorsad adjusted in take-up eccentric wheel (5)
The end of eccentric wheel (4) is fixed with fixed block (8), and the fixed block (8) is towards offering cunning on the end face of take-up eccentric wheel (5)
Groove (63), the end of the take-up eccentric wheel (5) is located in chute (63) and can slid along the bearing of trend of chute (63), and chooses
The outer peripheral face of line eccentric wheel (5) is in contact with the cell wall of chute (63).
5. the simple take-up governor motion of sewing machine according to claim any one of 2-4, it is characterised in that：Also include being enclosed on
Eccentric cover plate (9) on upper axle (2), the feed tip connecting rod (7) has the feed tip connecting portion being connected with feed tip eccentric wheel (6)
(71), the 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).
6. 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).
7. the simple take-up governor motion of sewing machine according to claim 1, it is characterised in that：Also include parallel to upper axle
(2) spacer pin (11), the regulation eccentric wheel (4) is towards offering stopper slot (42), institute on the end face of take-up eccentric wheel (5)
The one end for stating spacer pin (11) is fixed in take-up eccentric wheel (5), the other end is slidably mounted in stopper slot (42).
8. 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) is engaged with accepting hole (31).
9. the simple take-up governor motion of sewing machine according to claim 1, it is characterised in that：The fastener is locking screw
Offer the screwed hole (43) being engaged with lock-screw on nail, regulation eccentric wheel (4), the screwed hole (43) is along upper axle
(2) radial direction insertion regulation eccentric wheel (4), and be provided with the outer peripheral face of regulation eccentric wheel (4) at the outer end of screwed hole (43)
Transverse plane (44).
10. a kind of sewing machine, it is characterised in that：Sewing machine described in claim any one of 1-9 is installed in the sewing machine
Simple take-up governor motion.
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| CN109652924A (en) * | 2018-12-25 | 2019-04-19 | 北京大豪科技股份有限公司 | Control method, device, electronic equipment and the storage medium of thread ran of sewing machine |
| 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 |
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| Publication number | Publication date |
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| CN107090673B (en) | 2019-09-13 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Patentee before: JACK SEWING MACHINE Co.,Ltd. |