CN109371576A - Feed dog frame regulating mechanism and the overedger for using the mechanism - Google Patents
Feed dog frame regulating mechanism and the overedger for using the mechanism Download PDFInfo
- Publication number
- CN109371576A CN109371576A CN201811378738.6A CN201811378738A CN109371576A CN 109371576 A CN109371576 A CN 109371576A CN 201811378738 A CN201811378738 A CN 201811378738A CN 109371576 A CN109371576 A CN 109371576A
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- China
- Prior art keywords
- feed dog
- dog frame
- cloth
- regulating mechanism
- differential
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B1/00—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both
- D05B1/08—General types of sewing apparatus or machines without mechanism for lateral movement of the needle or the work or both for making multi-thread seams
- D05B1/18—Seams for protecting or securing edges
- D05B1/20—Overedge seams
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B69/00—Driving-gear; Control devices
- D05B69/02—Mechanical drives
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The present invention provides a kind of feed dog frame regulating mechanism, for adjusting the feed dog frame in overedger, feed dog frame regulating mechanism includes adjusting component and operating assembly, adjusting component includes adjusting slider and eccentric shaft, adjusting slider is embedded in feed dog frame and can slide with respect to feed dog frame, eccentric shaft has concentric segments and is connected to the eccentric segment of concentric segments, the eccentric segment of eccentric shaft wears adjusting slider and is rotatably assorted with adjusting slider, operating assembly includes electric control element, the concentric segments of eccentric shaft are connected to electric control element, electric control element is controlled eccentric shaft turns by way of Electronic control and drives inclination angle and the height of adjusting slider adjusting feed dog frame.The present invention also provides a kind of overedgers using above-mentioned feed dog frame regulating mechanism.Feed dog frame regulating mechanism provided by the invention can adjust inclination angle and the height of feed dog frame.Using the overedger of above-mentioned feed dog frame regulating mechanism, the capability improving of sewing quality and system flexibility manufacture is with a wide range of applications.
Description
Technical field
The present invention relates to stitching process field more particularly to a kind of feed dog frame regulating mechanism and use the overseam of the device
Machine.
Background technique
Overedger is mainly used for the lock seaming sewing of textile, has a wide range of applications in sewing field.Overedger is sent
The reciprocal elliptic motion that material process relies primarily on feed dog frame realizes that overedger constantly jacks up and pull needle by feed dog frame
Cloth on plate, to cloth to be processed constantly be hauled to head, to complete entire feeding process.But current
Overedger is only capable of processing the cloth of specific thicknesses, can lead to cloth because of the deficiency of feed dog frame mop power in the thick material of sewing
Material layering or stitching are overstocked, can lead to stitching fold because feeding is excessive again when sewing thin material.Overedger can not adapt to not
With the cloth of thickness degree, the development and application of overedger restrict.
Summary of the invention
In view of this, it is necessary to provide a kind of feed dog frame regulating mechanism and using the overedger of the device, the feed dog
Frame regulating mechanism adapts to the cloth of different thickness degree, the processing matter of overedger by adjusting inclination angle and the height of feed dog frame
Amount improves, the capability improving of machine system flexible manufacturing.
The present invention provides a kind of feed dog frame regulating mechanism, for adjusting the feed dog frame in overedger, the feed dog
Frame regulating mechanism includes adjusting component and operating assembly, and the adjusting component includes adjusting slider and eccentric shaft, and the adjusting is slided
Block be embedded in the feed dog frame and can the relatively described feed dog frame sliding, the eccentric shaft is with concentric segments and is connected to
The eccentric segment of the concentric segments, the eccentric segment of the eccentric shaft wear the adjusting slider and match with adjusting slider rotation
It closes, the operating assembly includes electric control element, and the concentric segments of the eccentric shaft are connected to the electric control element, the electric control element
The eccentric shaft turns are controlled by way of Electronic control and the adjusting slider is driven to adjust the inclination angle of the feed dog frame
And height.
Further, feed dog is provided on the feed dog frame, the feed dog frame includes active feed dog frame and difference
Dynamic feed dog frame, the feed dog include the active tooth being set on the active feed dog frame and are set to described differential send
Differential tooth on cloth retainer, the feed dog frame regulating mechanism adjusts inclination angle and the height of the feed dog frame, so that the master
Dynamic tooth is higher than the differential tooth in thin material processing status, the differential tooth is lower than when thickness expects processing status, in common process
It is concordant with the differential tooth when state.
Further, the operating assembly further includes transmission component, and the transmission component is set to the same of the eccentric shaft
Between heart section and the electric control element, the electric control element drives the eccentric shaft turns by the transmission component.
Further, the operating assembly further includes fixing seat, and the fixing seat carries the electric control element and is installed in
At the shell of the overedger.
Further, the transmission component includes worm gear and worm screw, and the worm gear set is set to the concentric segments of the eccentric shaft,
The worm set is set on the output shaft of the electric control element, described in the engagement rotation drive between the worm gear and the worm screw
Eccentric shaft turns.
Further, the electric control element is motor.
Further, the adjusting component further includes axle sleeve, and the axle sleeve is arranged the concentric segments of the eccentric shaft and installing
In in the shell of the overedger.
Further, the opposite sides of the axle sleeve is respectively arranged with the first retaining ring, and first retaining ring is for limiting institute
State relative position of the axle sleeve on the eccentric shaft.
Further, the adjusting slider is embedded at the feed dog frame in the sliding groove that length direction opens up, described
Sliding of the adjusting slider in the sliding groove is for discharging the fortune of the eccentric shaft in the longitudinal direction to the feed dog frame
Dynamic traction.
Further, the opposite sides of the adjusting slider is respectively arranged with the second retaining ring, and second retaining ring is for limiting
Make relative position of the adjusting slider in the sliding groove.
The present invention also provides a kind of overedgers, adjust including feed dog frame and the feed dog frame for being connected to the feed dog frame
Mechanism, the feed dog frame regulating mechanism are the feed dog frame regulating mechanism as described in above-mentioned any one.
The feed dog frame regulating mechanism provided by the invention, can adjust inclination angle and the height of the feed dog frame, make
The feed dog can be changed to the feeding state of cloth according to the thickness degree of different clothes by obtaining the feed dog frame.Using upper
The overedger of feed dog frame regulating mechanism is stated, sewing quality improves, the capability improving of machine system flexible manufacturing, has extensive
Application prospect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram after overedger clipped structure provided by the invention；
Fig. 2 is that overedger shown in Fig. 1 omits the structural schematic diagram after shell；
Fig. 3 is the decomposition diagram of overedger shown in Fig. 2；
Fig. 4 is the structural schematic diagram of shell shown in Fig. 1；
Fig. 5 is the structural schematic diagram of main shaft shown in Fig. 2；
Fig. 6 is the structural schematic diagram of presser foot device shown in Fig. 2；
Fig. 7 is the structural schematic diagram of cloth feeding mechanism shown in Fig. 2；
Fig. 8 is structural schematic diagram of the cloth feeding mechanism under another visual angle shown in Fig. 7；
Fig. 9 is the decomposition diagram of cloth feeding mechanism shown in Fig. 7；
Figure 10 is the decomposition diagram of third transmission component in cloth feeding mechanism shown in Fig. 8；
Figure 11 is the structural schematic diagram of differential amount regulating mechanism in overedger shown in Fig. 2；
Figure 12 is the structural schematic diagram of feed dog frame regulating mechanism in overedger shown in Fig. 2；
Figure 13 is structural schematic diagram of the feed dog frame regulating mechanism shown in Fig. 2 at another visual angle；
Figure 14 is the decomposition diagram of feed dog frame regulating mechanism shown in Figure 13；
Figure 15 a is schematic illustration when feed dog frame is in common working condition；
Figure 15 b is schematic illustration when feed dog frame is in thick material working condition；
Figure 15 c is schematic illustration when feed dog frame is in thin material working condition.
Main element symbol description
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be installed directly in another group when component is referred to as " being installed in " another component
On part or there may also be components placed in the middle.When a component is considered as " being set to " another component, it be can be directly
It connects and is arranged on another component or may be simultaneously present component placed in the middle.When a component be considered as " being fixed on " another
Component, it, which can be, is directly anchored on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " it include one or more phases
Any and all combinations of the listed item of pass.
Fig. 1 and Fig. 3 is please referred to, Fig. 1 is the structural schematic diagram after 100 clipped structure of overedger provided by the invention,
Fig. 2 is that overedger 100 shown in Fig. 1 omits the structural schematic diagram after shell 10, and Fig. 3 is the exploded pictorial of overedger 100 shown in Fig. 2
Figure.Overedger 100 is mainly used for the lock seaming sewing of textile, has a wide range of applications in industry and household sewing, is extremely
Important and accurate sewing machine.
Overedger 100 provided by the invention includes shell 10, main shaft 20, presser foot device 30, cloth feeding mechanism 40 and head
(not shown), main shaft 20 are set to the inside of shell 10 and are connected to cloth feeding mechanism 40 and head, presser foot device 30, cloth feeding mechanism
40 and head be all set on shell 10, presser foot device 30 and cloth feeding mechanism 40 are opposite and are arranged close to head.
For shell 10 for carrying main shaft 20, presser foot device 30, cloth feeding mechanism 40 and head, main shaft 20 is connected to power source
(not shown), and presser foot device 30, cloth feeding mechanism 40 and head operating, presser foot device can be driven under the driving of power source
30 for press cloth feeding mechanism 40 transport cloth with improve sewing processing quality and quality, cloth feeding mechanism 40 for transport to
The cloth of processing, head, which is used to sew, processes the cloth that the conveying of cloth feeding mechanism 40 comes.Drive cloth feeding mechanism 40 past by main shaft 20
Cloth is transported again, then by the tensioning cloth appropriate of presser foot device 30, head can be to the cloth for being in good tensioning state
Material carries out sewing processing, to complete the sewing-serging process of overedger 100.
Certainly, in addition to the above-mentioned shell 10 referred to, main shaft 20, presser foot device 30, cloth feeding mechanism 40 and head, overedger
The auxiliary bodies such as Guo Xian mechanism, lubricating structure can be also set in 100 to realize smoothly completing for overedger sewing process, herein not
It repeats.
Referring to Figure 4 together, Fig. 4 is the structural schematic diagram of shell 10 shown in Fig. 1.Shell 10 is in substantially box-shaped, is had
Complex appearance is to match in overedger 100 installation and movement of different components, and shell 10 is by main shaft 20, presser foot device 30, work feed
Mechanism 40 and head are separated with external environment, can protect the executing agency inside overedger, and operator is avoided accidentally to touch
The sports apparatus of executing agency, to protect the safe operation of operator.
The corresponding main shaft 20 of shell 10 offers spindle hole 11, and spindle hole 11 is installed for main shaft 20 and fixed；It is also set in shell 10
There is the cavity for accommodating power source, which is connected to spindle hole 11.The medium position indent of 10 side of shell simultaneously forms one
Working space 12, working space 12 provide the zone of action of cloth feeding mechanism 40, enable cloth feeding mechanism 40 in working space
It is moved back and forth in 12 region, to constantly convey cloth for head.The needle for cloth of sewing is additionally provided on shell 10
Plate 13, the substantially plate of needle plate 13, upper surface are cloth loading end, namely the working face 131 with lock seaming operation of sewing,
The reciprocally elliptic motion in working space 12 of cloth feeding mechanism 40, to constantly rise up into the top of working face 131 or fall
Enter the lower section of working face 131, the uphill process of cloth feeding mechanism 40 can drag cloth, and decline process can reset the position of itself
It sets, the rise and fall that cloth feeding mechanism 40 moves in circles can be realized lasting feeding process.
The lateral surface of shell 10 is also provided with operation port and lid (not shown), which rotates close to operation port
Ground is connected to the side of shell 10, and the rotation of lid can be closed or opened the operation port, and the part of overedger 100 adjusts machine
Structure is arranged in the inside of shell 10 and close to operation port.When lid opens the operation port, part regulating mechanism can be from operation
Mouth exposes, and when lid " locked in " operation mouth, the part regulating mechanism is also closed in the shell 10.So.Work as overedger
100 when needing to carry out parameter regulation, and operator can overturn and open lid, so that outside internal parameter regulation component
Dew, operator can be adjusted by exposed adjusting component.Lid is by the part regulating mechanism of overedger 100 and external
It is environmentally isolated, overedger can be preferably protected on the basis of meeting regulatory demand.
Please refer to fig. 5, Fig. 5 is the structural schematic diagram of main shaft 20 shown in Fig. 2, main shaft 20 wears and opens up on shell 10
Spindle hole 11, main shaft 20 being capable of being rotated by and each executing agency in overedger 100 driven to transport in power source
Turn.Main shaft 20 has central axis X, and main shaft 20 can be rotated around the central axis X of itself, and the position of central axis X is with respect to shell
Body 10 is fixed namely main shaft 20 does the fixed-axis rotation around central axis X.
Main shaft 20 includes the gearratio of cycloid axle formation 21 of eccentric setting to be connected to the transmission mechanism (not shown) of the gearratio of cycloid axle formation 21,
The rotation of main shaft 20 will drive gearratio of cycloid axle formation 21 and do eccentric moving around central axis X, and the eccentric moving of gearratio of cycloid axle formation 21 passes through again
Transmission mechanism is by power transmission to each executing agency, to realize that the driving to the executing agency operates；It is more on main shaft 20
The power transmission of a gearratio of cycloid axle formation 21 is also achieved that the operating of different executing agencies and coordinative operation in overedger 100.
Referring to Figure 6 together, Fig. 6 is the structural schematic diagram of presser foot device 30 shown in Fig. 2, and presser foot device 30 is installed on shell
In body 10 and in setting corresponding with working space 12, presser foot device 30 be used to compress by the conveying of cloth feeding mechanism 40 Lai cloth,
So that cloth is in the state being moderately tensioned, to improve the quality of head sewing processing.
Presser foot device 30 includes presser feet axis 31, presser feet arm 32, presser feet bracket 33 and pressure foot 34, and presser feet axis 31 is installed in
It can rotate on shell 10 and relative to shell 10, one end of presser feet axis 31 is connected to presser feet arm 32, and the setting of presser feet bracket 33 is being pressed
With respect on the other end of presser feet axis 31, pressure foot 34 is arranged on presser feet bracket 33 and being capable of opposite 33 turns of presser feet bracket foot arm 32
It is dynamic.Presser feet axis 31 is for driving presser feet arm 32 to rotate, so as to adjust the setting angle of entire presser foot device 30；Presser feet arm 32 is used
In support presser feet bracket 33；Presser feet bracket 33 is used to support pressure foot 34.Pass through 34 phase of rotation and pressure foot of presser feet axis 31
Rotation to presser feet bracket 33, to realize two axial adjustment of pressure foot 34.
Head is arranged in part opposite with working space 12 on the housing 10 and closes on the setting of presser foot device 30, head
It can be rotated under the drive of main shaft 20, and pass through the eedle (not shown) and looper (not shown) work inside crank gearing control
Dynamic, so that eedle does regularly linear motion up and down, looper does regularly reciprocally swinging, and head is mutual by eedle and looper
Stitching is cooperatively formed, to complete the sewing-serging operation to textile.
It is referring to Figure 7 together the structural schematic diagram of cloth feeding mechanism 40 shown in Fig. 2 to Fig. 8, Fig. 7, Fig. 8 is to send shown in Fig. 7
Structural schematic diagram of the cloth mechanism 40 under another visual angle.Cloth feeding mechanism 40 includes feed dog frame 41, the first transmission component 42, second
Transmission component 43 and third transmission component 44, the quantity of feed dog frame 41 are two, respectively active feed dog frame 411 with
And differential cloth-feeding retainer 412, the first transmission component 42 are connected to active feed dog frame 411 and differential cloth-feeding retainer 412, the
One transmission component 42 being capable of being rotated by drive active feed dog frame 411 and differential cloth-feeding retainer 412 in main shaft 20
Linear reciprocating motion in a first direction；Second transmission component 43 is set to the first transmission component 42 and differential cloth-feeding retainer 412
Between, the second transmission component 43 can drive differential cloth-feeding retainer 412 in second direction under the drive of the first transmission component 42
Upper linear reciprocating motion；Third transmission component 44 is set between the second transmission component 43 and active feed dog frame 411, and third passes
Dynamic component 44 can drive active feed dog frame 411 under the drive of the second transmission component 43, and reciprocating linear is transported in a second direction
It is dynamic.
In present embodiment, first direction is vertical direction, and second direction is the horizontal direction perpendicular to vertical direction.It can
To understand, first direction can also be other directions for favouring vertical direction, and second direction, which can also be, favours level side
To other directions；First direction can be mutually perpendicular to second direction, can also be in other angles, first direction and second party
To can according to actual production need be correspondingly arranged.
Active feed dog frame 411 under the drive of the first transmission component 42 along first direction linear reciprocating motion, second
Linear reciprocating motion, the movement of active feed dog frame 411 in two directions are folded in a second direction under the drive of transmission component 43
Add, shows as reciprocal circular motion spatially.
The forms of motion of differential cloth-feeding retainer 412 is similar with the forms of motion of active feed dog frame 411, differential cloth-feeding tooth
Frame 412 under the drive of the first transmission component 42 along first direction linear reciprocating motion, under the drive of third transmission component 44
Linear reciprocating motion in a second direction, the movement superposition of differential cloth-feeding retainer 412 in two directions, shows as spatially past
Multiple circular motion.
Due to active feed dog frame 411 and differential cloth-feeding retainer 412 in a second direction to the dragging stroke of cloth often
It is greater than the movement travel of feed dog frame 41 in a first direction, therefore active feed dog frame 411 and differential cloth-feeding retainer 412
Reciprocal circular motion is relatively large in lateral up stroke, and up stroke is relatively small in a first direction, active feed dog frame 411 and poor
Dynamic feed dog frame 412 spatially shows as reciprocally elliptic motion.
Active feed dog frame 411 and movement of the differential cloth-feeding retainer 412 after being higher by working face 131 can drag cloth
Material, the movement after falling into working face 131 can reset the dragging position of itself, active feed dog frame 411 and differential cloth-feeding tooth
The reciprocal elliptic motion of frame 412 can be matched with the actuation of head, and active feed dog frame 411 will with differential cloth-feeding retainer 412
Cloth is delivered in head, head after active feed dog frame 411 and 412 feeding of differential cloth-feeding retainer to current cloth section into
Row sewing processing, feed dog frame 41 are further continued for dragging next length of cloth, be recycled with this after head is to current cloth completion of processing
And realize continuous operation.
The feed dog 413 for dragging cloth is provided on feed dog frame 41, feed dog 413 can be past in feed dog frame 41
Matched under the drive of multiple elliptic motion across needle plate 13, and with the pressure foot 34 in presser foot device 30, feed dog 413 using with
Pressure foot 34, which is mutually supported with the movement on first direction, compresses cloth, and drags cloth using the movement in second direction
Material.Feed dog 413 includes the active tooth 4131 being set on active feed dog frame 411 and is set to differential cloth-feeding retainer 412
On differential tooth 4132, the active tooth 4131 for dragging cloth is provided on active feed dog frame 411, active tooth 4131 has
There is jagged surface to increase the drawing force to cloth；It is provided on differential cloth-feeding retainer 412 for dragging the differential of cloth
Tooth 4132, differential tooth 4132 are also equipped with jagged surface to increase the drawing force to cloth.Active tooth 4131 and differential tooth
Setting is spaced apart from each other between 4132, the gap between active tooth 4131 and differential tooth 4132 is used to provide adding for the head on head
Work space, head on head can be to tooth 4131 be had the initiative and the cloth in differential 4132 gap of tooth is processed, to complete
Sewing operation.
In present embodiment, active feed dog frame 411 is opposite with the movement of differential cloth-feeding retainer 412 in a first direction same
Step, movement in a second direction is asynchronous, so that overedger 100 obtains preferably sewing processing effect.Certainly, actively
It can also be moved synchronously between feed dog frame 411 and differential cloth-feeding retainer 412.
In order to guarantee active feed dog frame 411 and Stability and dependability of the differential cloth-feeding retainer 412 during work feed,
It is additionally provided with the oil baffle 414 for cooperating active feed dog frame 411 to move with differential cloth-feeding retainer 412 on shell 10 and leads
Rail 415, oil baffle 414 are substantially in " mouth " font, and active feed dog frame 411 and differential cloth-feeding retainer 412 pass through oil baffle 414
Centre bore and the actuation in the spatial dimension of the centre bore.It is appreciated that in order to guarantee that active feed dog frame 411 is sent with differential
The smooth movement of cloth retainer 412, the aperture of 414 centre bore of oil baffle and active feed dog frame 411 and differential cloth-feeding retainer 412
Size and movement need to form matching.The two sides of oil baffle 414 and active feed dog frame 411 and 412 side of differential cloth-feeding retainer
Corresponding contact, the side of oil baffle 414 can scrape the lubricating oil wiped on active feed dog frame 411 and differential cloth-feeding retainer 412,
The part for avoiding the flowing of lubrication oil infiltration from directly contacting with cloth, the problems such as pollution so as to cause cloth.
Guide rail 415 substantially be in concave, be fixed at shell 10 and be nested in active feed dog frame 411 with
Differential cloth-feeding retainer 412, guide rail 415 are used to improve the stability that active feed dog frame 411 and differential cloth-feeding retainer 412 move,
Active feed dog frame 411 and differential cloth-feeding retainer 412 is avoided movement warp occur.
Multiple through-hole (not labeled) are also provided on active feed dog frame 411 and differential cloth-feeding retainer 412, which is used for
Oil is crossed, it not only can be in order to infiltration of the lubricating oil on feed dog frame 41, it is also possible that active feed dog frame 411 is sent with differential
412 lightweight of cloth retainer facilitates the weight for reducing by 100 complete machine of overedger.
One end and differential cloth-feeding retainer 412 on active feed dog frame 411 far from active tooth 4131 is far from differential tooth
4132 one end extends outwardly and forms two parallel adjutages 416, forms edge between two parallel adjutages 416
The sliding groove 418 that 41 length direction of feed dog frame extends, the adjutage 416 that setting two is parallel to each other are used to adjust for feed dog frame 41
Save whole angle.
The approximate mid-section position of active feed dog frame 411 and differential cloth-feeding retainer 412 offers the sliding slot of " mouth " font (not
Label), the sliding slot for cooperate the first transmission component 42, in order to the first transmission component 42 driving active feed dog frame 411 with
Differential cloth-feeding retainer 412 does linear reciprocating motion in a first direction.
In addition, being also provided with sliding slot 417 along first direction on differential cloth-feeding retainer 412, sliding slot 417 is used for for the second transmission
The part-structure of component 43 is embedded in sliding, to realize the linear reciprocating motion in a second direction of differential cloth-feeding retainer 412.Actively send
Cloth retainer 411 is also provided with through-hole (not labeled), which is used to connect for third transmission component 44 and be embedded in, to realize third
Being fixed to each other between transmission component 44 and active feed dog frame 411.
It is the decomposition diagram of cloth feeding mechanism 40 shown in Fig. 7 also referring to Fig. 9, Fig. 9.First transmission component 42 is set in
On main shaft 20 and it is connected to active feed dog frame 411 and differential cloth-feeding retainer 412, the first transmission component 42 is for transmitting main shaft
20 kinetic energy and drive active feed dog frame 411 and differential cloth-feeding retainer 412 along first direction linear reciprocating motion.
First transmission component 42 includes vertical driving sliding block 421, eccentric wheel 422 and feeding connecting rod 423, and vertical driving is slided
Block 421 for driving active feed dog frame 411 and differential cloth-feeding retainer 412 to move back and forth along first direction, eccentric wheel 422 with give
Expect that connecting rod 423 cooperates, for driving the operating of the second transmission component 43.
Vertical driving sliding block 421 is substantially in bulk, and the vertical approximate center for driving sliding block 421 offers through-hole, vertically
Driving sliding block 421 is set at a gearratio of cycloid axle formation 21 of main shaft 20 by the through-hole.Vertical driving sliding block 421 is embedded at " mouth "
It at the center sliding slot of font feed dog frame 41, and is in contact with the inner sidewall of feed dog frame 41, main shaft 20 is around own central axis line
Meeting is rotated so that gearratio of cycloid axle formation 21 does eccentric rotary, also with regard to driving the vertical driving sliding block 421 being set in gearratio of cycloid axle formation 21 to make
The parallel moving of circumferencial direction.It is vertical to drive at the sliding slot opened up inside feed dog frame 41 due to driving sliding block 421 to be arranged in vertically
Movable slider 421 can the sliding slot reciprocatingly slides in the guidance lower edge of the sliding slot, also just vertical to drive sliding block 421 in side surface direction
Movement is discharged by the sliding slot inside feed dog frame 41, vertical that sliding block 421 is driven only to drive feed dog frame 41 past in a first direction
It moves along a straight line again, to realize the process that main shaft 20 drives feed dog frame 41 to move back and forth along first direction.
Eccentric wheel 422 and feeding connecting rod 423 are sequentially set on main shaft 20,423 phase of eccentric wheel 422 and feeding connecting rod
Mutually cooperation, for drive the second transmission component 43 movement, thus for the second transmission component 43 drive active feed dog frame 411 with
Linear reciprocating motion of the differential cloth-feeding retainer 412 on lateral provides power resources.Eccentric wheel 422 is fixed on main shaft 20 and energy
It is enough to be rotated under the drive of main shaft 20；One end of feeding connecting rod 423, which is set on eccentric wheel 422 and rotates with eccentric wheel 422, to be connected
It connects, the other end is connected at the second transmission component 43.Eccentric wheel 22 is set in the d-axis section of main shaft 20, inclined due to eccentric wheel 22
Heart setting, main shaft 20 show as eccentric moving of the eccentric wheel 22 around main shaft 20 to its rotate driving；Again due to feeding connecting rod 423
It being set on eccentric wheel 22, eccentric wheel 22 shows as the turnover campaign of feeding connecting rod 423 to the driving effect of feeding connecting rod 423,
Eccentric wheel 22 and feeding connecting rod 423 form a crank and rocker mechanism, thus the swing for driving the second transmission component 43 reciprocal.
In present embodiment, the first transmission component 42 further includes eccentric cam 424 and is set on eccentric cam 424
Pawl (not labeled), eccentric wheel 22 and relative position of the feeding connecting rod 423 on main shaft 20 are real by eccentric cam 424 and pawl
Now fix；Certainly, eccentric cam 424 and pawl also have the function of adjusting the executive component in overedger 100, do not make herein
It repeats.
Referring again to Fig. 7 and Fig. 8, one end of the second transmission component 43 is connected to the feeding connecting rod in the first transmission component 42
423, the other end is connected to differential cloth-feeding retainer 412.Second transmission component 43 include cloth pushing shaft 431, differential cloth feeding crank 432,
Link block 433, cover board 434 and sliding block 435 is laterally driven, cloth pushing shaft 431 wears differential cloth feeding crank 432 and is mounted on
On shell 10, by the carrying of cloth pushing shaft 431, the second transmission component 43 can be set at shell 10 with stable state.It send
The both ends of cloth beam 431 are additionally provided with axle sleeve (not labeled), and cloth pushing shaft 431 is fixed on the housing 10 and can be in shell by the axle sleeve
It is rotated under the carrying of body 10.
Differential cloth feeding crank 432 is general " l "-shaped, and a part and the cloth pushing shaft 431 of short side are fixed to each other, short side it is remaining
Lower part is rotatablely connected with feeding connecting rod 423, and long side then protrudes into the cavity surrounded by link block 433 and cover board 434.
Feeding connecting rod 423 in differential cloth feeding crank 432 and the first transmission component 42 is rotatablely connected, and the swing of feeding connecting rod 423 can band
Dynamic differential cloth feeding crank 432 reciprocally rotates.Differential cloth feeding crank 432 is also provided with multiple through-holes in long side part, the through-hole
For excessively oily, lubricating oil is enabled preferably to infiltrate differential cloth feeding crank 432.
Link block 433 is fixed to each other with cover board 434, surrounds protrude into for the long side of differential cloth feeding crank 432 between the two
Opening；Link block 433 is convexly equipped with raised (not labeled), link block 433 and cover board 434 towards the position for laterally driving sliding block 435
Corresponding position offer screw hole (not labeled), link block 433 and cover board 434 can pass through threaded fastener and realize the two
Between be fixed to each other.
It laterally drives sliding block 435 to be embedded in the sliding slot 417 that differential cloth-feeding retainer 412 is also opened up along first direction, laterally
It drives the approximate centre position of sliding block 435 hollow, laterally drives the hollow part of sliding block 435 for for convex on link block 433
Insertion is played, to realize link block 433 and laterally drive the rotation connection of sliding block 435.
Transmission with the first transmission component 42 to the second transmission component 43, feeding connecting rod 423 can be in the drives of main shaft 20
Differential cloth feeding crank 432 in the second transmission component 43 of lower driving is reciprocally swung, differential cloth feeding crank 432 and cloth pushing shaft 431
It is fixed to each other, differential cloth feeding crank 432 can reciprocally be swung with cloth pushing shaft 431 at this time in whole form.Differential cloth feeding crank
432 long end is protruded into the space that link block 433 and cover board 434 are surrounded, and the swing of differential cloth feeding crank 432 will drive connection
It block 433, cover board 434 and laterally drives sliding block 435 and also does reciprocal swing.
It can slide, laterally drive in the sliding slot 417 of differential cloth-feeding retainer 412 due to laterally driving sliding block 435
Swing of the sliding block 435 in space, which is respectively, to be laterally driven sliding block 435 and 417 reciprocatingly slides and laterally drive sliding block along the chute
435 linear reciprocating motion on vertical 417 extending direction of sliding slot is arranged due to laterally driving sliding block 435 in differential cloth-feeding tooth
On frame 412, then laterally driving linear reciprocating motion of the sliding block 435 on vertical 417 extending direction of sliding slot will drive differential send
Cloth retainer 412 goes up linear reciprocating motion in the lateral of vertical first direction, to realize the second transmission component 43 in the first transmission
Component 42 drives lower driving differential cloth-feeding retainer 412 along the process for laterally doing linear reciprocating motion.
By opening up for sliding slot 417, laterally drives the movement of sliding block 435 in a first direction and be released, laterally drive sliding block
435 can be by itself in the motion transmission to differential cloth-feeding retainer 412 of lateral.It should be noted that differential cloth-feeding is bent
The pivot angle of handle 432 can be by laterally driving the release of the rotation connection between sliding block 435 and link block 433, to avoid differential send
Cloth crank 432 forms movement interference because that can not rotate.
It is the decomposition diagram of third transmission component 44 in cloth feeding mechanism 40 shown in Fig. 8 also referring to Figure 10, Figure 10.The
Three transmission components 44 include active cloth feeding crank 441, connecting rod 442 and connecting rod set 443, and active cloth feeding crank 441, which is set in, to be sent
It is rotatablely connected on cloth beam 431 and with connecting rod 442, the setting of connecting rod 442 is between connecting rod set 443 and active cloth feeding crank 441, connecting rod
442 one end is embedded in for the connector (not labeled) being arranged on active cloth feeding crank 441, and the other end is embedded in for connecting rod set 443,
Connecting rod set 443 wears one end of connecting rod 442 and is fixed on active feed dog frame 411, to realize third transmission component 44
With the interconnection of active cloth feeding crank 441.
Sliding slot (not labeled) is offered on active cloth feeding crank 441, the sliding slot is arc-shaped and substantially in a first direction
Extend, the connecting pin (not labeled) for connecting 442 one end of connecting rod is embedded in sliding slot, active cloth feeding crank 441 passes through connection
Pin connection discharges component motion in a first direction by connecting rod 442 in connecting rod 442, active cloth feeding crank 441, so that actively
Lateral movement can be only transferred at active feed dog frame 411 by resultant motion of the cloth feeding crank 441 on vertical and lateral.
Through-hole is offered on the opposite both ends of connecting rod 442, one in two through-holes is another for 443 insertion of connecting rod set
A connecting pin on active cloth feeding crank 441 is embedded in.Connecting rod 442 being capable of driving effect in active cloth feeding crank 441 and company
Drive active feed dog frame 411 in the lateral upper linear reciprocating motion of vertical first direction under the connection function of rod set 443.
Cloth pushing shaft 431 connects active feed dog frame 411 and differential cloth-feeding retainer 412 so that active feed dog frame 411 with
The movement source of differential cloth-feeding retainer 412 is consistent, it is only necessary to be adjusted in the second transmission component 43 and third transmission component 44
The initial position or length of each structure, so that active feed dog frame 411 has different movement rails from differential cloth-feeding retainer 412
Mark, and keep concordant in vertical position.
Drive active feed dog frame 411 and differential cloth-feeding retainer 412 in a first direction and lateral reciprocal by main shaft 20
Movement is conducive to keep active feed dog frame so that active feed dog frame 411 is identical as the driving source of differential cloth-feeding retainer 412
411 is synchronous with 412 forms of motion of differential cloth-feeding retainer, avoids the occurrence of multiple driving sources and drives active feed dog frame 411 respectively
It is moved with differential cloth-feeding retainer 412, leads to the vertical and nonsynchronous problem of lateral movement.
Certainly, if not considering stationary problem, the elliptic motion of active feed dog frame 411 and differential cloth-feeding retainer 412 can also
To respectively drive realization by multiple driving sources.
Also referring to Figure 11, Figure 11 is the structural schematic diagram of differential amount regulating mechanism 50 in overedger 100 shown in Fig. 2.
Overedger 100 is in order to realize the adjusting to amount differential between active feed dog frame 411 and differential cloth-feeding retainer 412, overedger 100
It is inside additionally provided with differential amount regulating mechanism 50, differential amount regulating mechanism 50 includes adjusting rod 51, differential crank 52 and differential company
Piece 53, it is differential in flakes 53 one end be articulated in differential crank 52, the other end is connected to the cover board 434 in the second transmission component 43,
One end of differential crank 52 is connected to adjusting rod 51, can rotate in the oscillation adjustment of adjusting rod 51 and drive differential in flakes 53
Movement.One end of adjusting rod 51 is fixedly connected on differential crank 52, and adjusting rod 51 adjusts differential company by the change of self-view
The positional relationship of piece 53.
Adjusting rod 51 rotates under the adjusting of operator around the tie point of adjusting rod 51 and differential crank 52, adjusting rod 51
Rotation will drive the differential crank 52 that is firmly connected with it and rotate, the rotation of differential crank 52 can drag differential 53 to move in flakes
It is dynamic.Due to it is differential in flakes 53 and the second cover board 434 in transmission component 43 be rotatablely connected, it is differential in flakes 53 by differential crank 52
Drive show as itself around the rotation of cover board 434 and with the 417 whole sliding along the chute of cover board 434.Differential in flakes 53
Under drive, position of the sliding block 435 in sliding slot 417 that laterally drive being fixedly connected with link block 433 and cover board 434 becomes
Change, laterally drive the movement initial position of sliding block 435 to change, as laterally driving 435 actual motion of sliding block lateral
It decomposes, the motion state of differential cloth-feeding retainer 412 also just changes, and send to active feed dog frame 411 with differential to realize
The adjusting of differential amount between cloth retainer 412.
In order to further increase the convenience that differential amount is adjusted, differential amount regulating mechanism 50 provided by the invention further includes setting
The adjusting panel 54 in 10 outside of shell is set, sliding slot (not labeled) is offered in adjusting panel 54, adjusting rod 51 and setting are in cunning
Sliding block (not labeled) in slot is fixedly connected, and regulating part 541 is installed on sliding block, and operator passes through operation 541 energy of regulating part
The swing position for enough adjusting adjusting rod 51, consequently facilitating the operation of operator.
Further, the status indicators such as dial can also be set in adjusting panel 54, consequently facilitating visualization and measurement
The differential amount of the adjusting of change.
Differential amount regulating mechanism 50 provided by the invention is additionally provided with fixing axle 521, fixing axle on differential crank 52
521 are installed in the inside of shell 10 and are realized by axial screw 522 and are fixedly connected with adjusting rod 51.Pass through setting
Differential crank 52 can be stably placed on shell 10 by fixing axle 521, and axial screw 522 can also realize differential crank
Being reliably connected between 52 and adjusting rod 51 further improves the reliability and stability of the work of overedger 100.
It is the structure of feed dog frame regulating mechanism 60 in overedger 100 shown in Fig. 2 also referring to Figure 12 to Figure 14, Figure 12
Schematic diagram, Figure 13 are structural schematic diagram of the feed dog frame regulating mechanism 60 shown in Fig. 2 at another visual angle, and Figure 14 is to send shown in Figure 13
The decomposition diagram of cloth retainer regulating mechanism 60.Existing overedger can only process spy during realizing sewing operation
The cloth for determining thickness, it is very poor to the sewing efficiency of other thickness range clothes.In order to improve the adaptability to different-thickness cloth,
The ability of machine system flexible manufacturing is promoted, feed dog frame regulating mechanism 60 is additionally provided on overedger 100, feed dog frame is adjusted
Mechanism 60 is connected to feed dog frame 41, leads to the angle and height for adjusting feed dog frame 41, changes different thickness using feed dog 413
The feeding state for spending cloth, so that cloth is in tensioning state appropriate, to improve the sewing efficiency of different-thickness cloth.
Feed dog frame regulating mechanism 60 is arranged in the side of shell 10 and is connected to feed dog frame 41, and feed dog frame is adjusted
Mechanism 60 includes adjusting component 61 and operating assembly 62, and the one end for adjusting component 61 is connected to operating assembly 62, and the other end connects
It is connected to feed dog frame 41, adjusts the angle that component 61 is used to adjust feed dog frame 41；Operating assembly 62 is arranged on the housing 10,
For controlling to adjust component 61.
Under the control action of operating assembly 62, component 61 is adjusted according to the thickness degree of cloth and adjusts accordingly feed dog
The inclination angle of frame 41, to change the inclination angle of feed dog 413 on feed dog frame 41, feed dog 413 is integral inclined to change itself
Highly, feed dog 413 adapts to the cloth of different thickness degree by oneself height and change of pitch angle.
Adjusting component 61 includes eccentric shaft 611 and adjusting slider 612, and eccentric shaft 611 is connected to operating assembly 62, is adjusted
Sliding block 612 is set on eccentric shaft 611 and is embedded at two on feed dog frame 41 parallel adjutages 416, eccentric shaft
611 are able to drive 612 actuation of adjusting slider under the driving of operating assembly 62, to adjust the angle of feed dog frame 41.
Eccentric shaft 611 includes concentric segments 6111 and is connected to the eccentric segments 6112 of concentric segments 6111, eccentric shaft 611 it is same
Heart section 6111 is fixed on the housing 10, and eccentric shaft 611 can be around the center axis thereof of concentric segments 6111；In eccentric segment 6112
The center decentraction of the heart and concentric segments 6111, the two deviate a preset distance, and eccentric segment 6112 can be in concentric segments 6111
Drive lower moving.
Adjusting slider 612 is in bulk, inner hollow and the eccentric segment 6112 for being arranged eccentric shaft 611, adjusting slider 612
It is embedded between two parallel adjutages 416, the eccentric segment 6112 of adjusting slider 612 and eccentric shaft 611 is rotatablely connected, eccentric
The moving of the eccentric segment 6112 of axis 611 will drive the parallel moving of adjusting slider 612.
Since adjusting slider 612 is embedded between two parallel adjutages 416, adjusting slider 612 can be in adjutage
416 are formed by track and slide, and slide, can release in the sliding groove 418 that adjusting slider 612 is formed between adjutage 416
Movement in a second direction brought by eccentric shaft 611 is put, so that the parallel moving of adjusting slider 612 only will drive adjutage
416 rise or decline in a first direction.Adjutage 416 is arranged on one end of feed dog frame 41, feed dog frame 41 it is another
One end is fixed by main shaft 20, therefore adjutage 416 rises or declines in a first direction and will drive feed dog frame 41 and incline
Tiltedly, the inclined angle of feed dog frame 41 is determined by the distance that adjutage 416 moves in a first direction.
In an embodiment of the invention, operating assembly 62 adjusts the rotation of eccentric shaft 611 by way of Electronic control
Angle, to adjust on feed dog frame 41 to preset angle.
Further, operating assembly 62 includes electric control element 621 and transmission component 622, and transmission component 622 is set to electricity
It controls between element 621 and eccentric shaft 611, electric control element 621 adjusts bias by transmission component 622 by way of Electronic control
The deflection angle of axis 611, to adjust the angle and height of feed dog 413.
Transmission component 622 includes the worm screw 6221 being set on 621 output shaft of electric control element and is set in eccentric shaft 611
Worm gear 6222 in concentric segments 6111, worm screw 6221 are fixedly connected with the output shaft of electric control element 621, worm gear 6222 and eccentric shaft
611 concentric segments 6111 are fixedly connected, rotation mutually the nibbling by worm screw 6221 and worm gear 6222 of 621 output shaft of electric control element
It closes, drives worm gear 6222 to turn to preset angle, due to being fixedly connected between worm gear 6222 and eccentric shaft 611, worm gear
6222 rotation will drive the rotation of eccentric shaft 611, to realize the adjusting to feed dog 413 angle and height.
Further, worm screw 6221 is fixed on the output shaft of electric control element 621 by screw in compression；Worm gear 6222 is logical
Screw in compression is crossed to be fixed in the concentric segments 6111 of eccentric shaft 611.
The groove (not labeled) being radially recessed is offered on the output shaft of electric control element 621, screw passes through worm gear 6222
It is held at the bottom wall of groove afterwards, by opening up groove, the rotation of 621 output shaft of electric control element is able to drive 6222 turns of worm gear
It is dynamic.
In present embodiment, since the central axes of 621 output shaft of electric control element and the central axes of eccentric shaft 611 are mutually hung down
Directly, therefore the central axes of worm screw 6221 and the central axes of worm gear 6222 are also mutually perpendicular to.It is appreciated that in other embodiments
In, when the central axes of the central axes of 621 output shaft of electric control element and eccentric shaft 611 are deflected to other angles, worm screw 6221
Central axes and the central axes of worm gear 6222 can also form other angles, such as are coaxially disposed and also may be used.
Certainly, worm gear 6222 is also fixed in concentric segments 6111 using other fixed forms in addition to screw in compression,
Worm screw 6221 can also can also be fixed on electric control element 621 using other fixed forms in addition to screw in compression；Only
Will the fixed form can be realized being reliably connected for worm screw 6221 and worm gear 6222.
Overedger 100 provided by the invention, being not intended to limit transmission component 622 must be by the way of Worm Wheel System；
In other implementations, transmission component 622 can also be using other kinds of biographies such as V belt translation, rack-and-pinion, shaft couplings
Flowing mode；When electric control element 621, which is not necessarily to, can directly drive eccentric shaft 611 to rotate by transmission component 622, transmission component
622 also can be omitted.
The rotation of electric control element 621 will drive the rotation of worm gear 6222, and it is inclined that the rotation of worm gear 6222 will drive eccentric shaft 611 again
Heart rotation, the eccentric rotary of eccentric shaft 611 will drive the adjusting slider 612 being rotatablely connected with eccentric shaft 611 again and occur first
Position change on direction, to realize the angle and height adjustment to feed dog frame 41.
In present embodiment, electric control element 621 is motor.It is appreciated that in other implementations, electric control element
621 also could alternatively be in addition to motor other be driven by electricity element.As long as this, which is driven by electricity element, can be realized electronic control
System.
In an embodiment of the invention, electric control element 621 is screwed in the side of shell 10 by a fixing seat 623
Electric control element 621 is fixed on the side of shell 10 also by being screwed between fixing seat 623 and electric control element 621 by face,
It can be convenient for the dismounting and adjusting of electric control element 621.
Certainly, in other implementations, between electric control element 621 and fixing seat 623, fixing seat 623 and shell 10
The modes such as the solid, riveting of glue can also be used to be fixed to each other；Electric control element 621 can also be fixed on shell 10 using other structures
On, fixing seat 623 can be omitted at this time.
In an embodiment of the invention, adjusting component 61 further includes axle sleeve 613, and axle sleeve 613 is arranged eccentric shaft 611
Concentric segments 6111 and it is fixed on the housing 10, it is stable to provide eccentric shaft 611 for carrying eccentric shaft 611 for axle sleeve 613
Rotate environment.Axle sleeve 613 has many advantages, such as anticorrosive, at low cost, the work condition environment preferably to slowly run.
Further, axle sleeve 613 is copper sheathing.It is appreciated that in other implementations, casing can also use copper removal
Except other materials be made；Under the working condition requirement for not considering cost and slowly running, axle sleeve 613 can also be using rolling
Bearing.
In an embodiment of the invention, the two sides of casing are respectively arranged first retaining ring 614, two first gear
Circle 614 is oppositely arranged on the both ends of axle sleeve 613, and the first retaining ring 614 is used for position of the fixed hub 613 on eccentric shaft 611, keeps away
Exempt from casing and positional shift occurs because of vibration.
Further, the first retaining ring 614 is fixed in the concentric segments 6111 of eccentric shaft 611 by the way of screw in compression.
Certainly, the first retaining ring 614 can also use the other modes such as the solid, riveting of glue to be fixed on eccentric shaft 611, as long as the first retaining ring
614 can be firmly secured in the concentric segments 6111 of eccentric shaft 611；Copper sheathing can also be realized using other elements
The limit of itself, the first retaining ring 614 can be omitted at this time.
In an embodiment of the invention, the two sides of adjusting slider 612 are respectively arranged second retaining ring 615, and two
A second retaining ring 615 is oppositely arranged on the two sides of adjusting slider 612, and is sequentially set in eccentric shaft with adjusting slider 612
On 611 eccentric segment 6112, the second retaining ring 615 is used for position of the secured adjusted sliding block 612 on eccentric shaft 611, avoids adjusting
Sliding block 612 offsets out sliding groove 418 because of vibration.
Further, the second retaining ring 615 is fixed on the eccentric segment 6112 of eccentric shaft 611 by the way of screw in compression.
Certainly, the second retaining ring 615 can also use the other modes such as the solid, riveting of glue to be fixed on eccentric shaft 611, as long as the second retaining ring
615 can be firmly secured on the eccentric segment 2 of eccentric shaft 611；Adjusting slider 612 can also using other elements come
Realize the limit of itself, the second retaining ring 615 can be omitted at this time.
Angle and height that overedger 100 adjusts feed dog frame 41 by feed dog frame regulating mechanism 60 are illustrated below, it is real
Now adapt to the principle of different thickness degree clothes.
When Level Change occurs under adjusting of the one end of feed dog frame 41 in feed dog frame regulating mechanism 60, feed dog frame
41 whole inclination angles change, and the change of 41 overall inclination angle of feed dog frame can change the inclination angle of feed dog 413, namely actively
Tooth 4131 and differential tooth 4132 are concordant from horizontal concordant oblique angle of changing into, due to active tooth 4131 with differential tooth 4132 respectively with not
Same elliptical orbit work feed, angle tilt bring Level Change can change the sewing efficiency of head between the two.
Also referring to Figure 15 a to Figure 15 c, Figure 15 a is principle signal when feed dog frame 41 is in common working condition
Figure, Figure 15 b are schematic illustration when feed dog frame 41 is in thick material working condition, and Figure 15 c is that feed dog frame 41 is in thin material
Schematic illustration when working condition.In figure, sign S indicates the elliptical trajectory of active tooth 4131 and differential tooth 4132, V
Indicate corner cut direction when active tooth 4131 and differential tooth 4132 cut out working face, F indicates active tooth 4131 and differential tooth
The elastic force direction of 4132 pairs of clothes.
(1) when feed dog frame 41 is in common working condition: feed dog frame 41 does not tilt, active tooth 4131 and differential tooth
4132 is horizontal concordant, and the contact cloth synchronous with differential tooth 4132 of active tooth 4131, active tooth 4131 and differential tooth 4132 are made at this time
Corner cut direction when the direction of elastic force F for cloth and active tooth 4131 cut out working face with differential tooth 4132 is identical,
For vertical direction, this state is suitable for sewing to process the moderate cloth of general thickness, hardness.
(2) when feed dog frame 41 is in thick material working condition: feed dog frame 41 tilts, so that the height of active tooth 4131
Lower than the height of differential tooth 4132, the direction for the elastic force F that active tooth 4131 acts on cloth with differential tooth 4132 at this time is still kept
Vertical direction, but corner cut direction when active tooth 4131 and differential tooth 4132 cut out working face no longer keeps vertical direction,
But work feed is carried out in a manner of beveling；
Since the height of active tooth 4131 is lower than the height of differential tooth 4132, differential tooth 4132 is prior on active tooth 4131
It is raised to above needle plate and contacts in advance cloth, the work feed efficiency of differential tooth 4132 is higher than the work feed efficiency of active tooth 4131, therefore
When conveying cloth, differential tooth 4132 relative to active tooth 4131 there is certain pursuit to imitate for active tooth 4131 and differential tooth 4132
Fruit forms the promotion effect to cloth, so that multilayer, stalk seam uniform thickness material work feed are smooth, needle gage is uniform, and sewing quality is more preferably.
(3) when feed dog frame 41 is in thin material working condition: feed dog frame 41 tilts, so that the height of active tooth 4131
Higher than the height of differential tooth 4132, the direction for the elastic force F that active tooth 4131 acts on cloth with differential tooth 4132 at this time is still kept
Vertical direction, but corner cut direction when active tooth 4131 and differential tooth 4132 cut out working face no longer keeps vertical direction,
Active tooth 4131 and differential tooth 4132 carry out work feed in a manner of beveling；
Since the height of active tooth 4131 is higher than the height of differential tooth 4132, active tooth 4131 is prior on differential tooth 4132
It being raised to 13 top of needle plate and contacts cloth in advance, the work feed efficiency of active tooth 4131 is higher than the work feed efficiency of differential tooth 4132, because
When conveying cloth, active tooth 4131 has centainly remote relative to differential tooth 4132 for this active tooth 4131 and differential tooth 4132
From effect, the dilatory effect to cloth is formed, so that the smooth not fold of the thin material such as grenadine, sewing quality is more preferably.
Feed dog frame regulating mechanism 60 provided by the invention can adjust inclination angle and the height of feed dog frame 41, so that sending
Cloth retainer 41 can change feed dog 413 to the feeding state of cloth according to the thickness degree of different clothes.Use above-mentioned work feed
The overedger 100 of retainer regulating mechanism 60, sewing quality improve, the capability improving of machine system flexible manufacturing, have extensive
Application prospect.
Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as in spirit of the invention, to made by embodiment of above
Appropriate change and variation are all intended to fall within the scope of the claimed invention.
Claims (11)
1. a kind of feed dog frame regulating mechanism, for adjusting the feed dog frame in overedger, which is characterized in that the feed dog frame
Regulating mechanism includes adjusting component and operating assembly, the adjusting component include adjusting slider and eccentric shaft, the adjusting slider
Be embedded in the feed dog frame and can the relatively described feed dog frame sliding, the eccentric shaft is with concentric segments and is connected to institute
The eccentric segment of concentric segments is stated, the eccentric segment of the eccentric shaft wears the adjusting slider and is rotatably assorted with the adjusting slider,
The operating assembly includes electric control element, and the concentric segments of the eccentric shaft are connected to the electric control element, and the electric control element is logical
The mode for crossing Electronic control control the eccentric shaft turns and drive the adjusting slider adjust the feed dog frame inclination angle and
Highly.
2. feed dog frame regulating mechanism as described in claim 1, which is characterized in that be provided with work feed on the feed dog frame
Tooth, the feed dog frame include active feed dog frame and differential cloth-feeding retainer, and the feed dog includes being set to the active to send
Active tooth on cloth retainer and the differential tooth being set on the differential cloth-feeding retainer, the feed dog frame regulating mechanism are adjusted
The inclination angle of the feed dog frame and height are expected so that the active tooth is higher than the differential tooth in thin material processing status in thickness
It is lower than the differential tooth when processing status, it is concordant with the differential tooth in common process state.
3. feed dog frame regulating mechanism as described in claim 1, which is characterized in that the operating assembly further includes transmission group
Part, the transmission component are set between the concentric segments of the eccentric shaft and the electric control element, and the electric control element passes through institute
It states transmission component and drives the eccentric shaft turns.
4. feed dog frame regulating mechanism as claimed in claim 3, which is characterized in that the operating assembly further includes fixing seat,
The fixing seat carries the electric control element and is installed at the shell of the overedger.
5. feed dog frame regulating mechanism as claimed in claim 3, which is characterized in that the transmission component includes worm gear and snail
Bar, the worm gear set are set to the concentric segments of the eccentric shaft, and the worm set is set on the output shaft of the electric control element, described
Engagement rotation between worm gear and the worm screw drives the eccentric shaft turns.
6. feed dog frame regulating mechanism as claimed in claim 3, which is characterized in that the electric control element is motor.
7. feed dog frame regulating mechanism as described in claim 1, which is characterized in that the adjusting component further includes axle sleeve, institute
Axle sleeve is stated to be arranged the concentric segments of the eccentric shaft and be installed in the shell of the overedger.
8. feed dog frame regulating mechanism as claimed in claim 7, which is characterized in that the opposite sides of the axle sleeve is respectively set
There is the first retaining ring, first retaining ring is for limiting relative position of the axle sleeve on the eccentric shaft.
9. feed dog frame regulating mechanism as described in claim 1, which is characterized in that the adjusting slider is embedded at the work feed
Retainer is in the sliding groove that length direction opens up, and sliding of the adjusting slider in the sliding groove is for discharging the bias
Axis draws the movement of the feed dog frame in the longitudinal direction.
10. feed dog frame regulating mechanism as claimed in claim 9, which is characterized in that the opposite sides of the adjusting slider point
It is not provided with the second retaining ring, second retaining ring is for limiting relative position of the adjusting slider in the sliding groove.
11. a kind of overedger, including feed dog frame and it is connected to the feed dog frame regulating mechanism of the feed dog frame, feature exists
In the feed dog frame regulating mechanism is the feed dog frame regulating mechanism as described in claim 1-10 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378738.6A CN109371576B (en) | 2018-11-19 | 2018-11-19 | Cloth feeding tooth frame adjusting mechanism and overedger using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811378738.6A CN109371576B (en) | 2018-11-19 | 2018-11-19 | Cloth feeding tooth frame adjusting mechanism and overedger using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109371576A true CN109371576A (en) | 2019-02-22 |
| CN109371576B CN109371576B (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811378738.6A Active CN109371576B (en) | 2018-11-19 | 2018-11-19 | Cloth feeding tooth frame adjusting mechanism and overedger using same |
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| CN112160078A (en) * | 2020-08-13 | 2021-01-01 | 杰克缝纫机股份有限公司 | Cloth feeding tooth frame adjusting mechanism and overedger |
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| CN112981739A (en) * | 2019-12-13 | 2021-06-18 | 杰克缝纫机股份有限公司 | Overedger and eccentric adjustable structure of lifting tooth thereof |
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| CN114990791A (en) * | 2021-03-01 | 2022-09-02 | 杰克科技股份有限公司 | Stepping differential and tooth adjusting mechanism of sewing machine |
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| CN112981739A (en) * | 2019-12-13 | 2021-06-18 | 杰克缝纫机股份有限公司 | Overedger and eccentric adjustable structure of lifting tooth thereof |
| WO2021184646A1 (en) * | 2020-03-19 | 2021-09-23 | 杰克缝纫机股份有限公司 | Feed lifting rock shaft assembly and sewing machine provided with feed lifting rock shaft assembly |
| CN113737400A (en) * | 2020-08-13 | 2021-12-03 | 杰克缝纫机股份有限公司 | Cloth feeding tooth frame adjusting mechanism and overedger |
| CN113737400B (en) * | 2020-08-13 | 2022-07-22 | 杰克科技股份有限公司 | Cloth feeding tooth frame adjusting mechanism and overedger |
| CN112160078A (en) * | 2020-08-13 | 2021-01-01 | 杰克缝纫机股份有限公司 | Cloth feeding tooth frame adjusting mechanism and overedger |
| CN114635233A (en) * | 2020-12-15 | 2022-06-17 | 杰克科技股份有限公司 | Joint debugging mechanism, sewing machine and joint debugging method of sewing machine |
| CN114635233B (en) * | 2020-12-15 | 2023-07-07 | 杰克科技股份有限公司 | Joint debugging mechanism, sewing machine and sewing machine joint debugging method |
| CN114990791A (en) * | 2021-03-01 | 2022-09-02 | 杰克科技股份有限公司 | Stepping differential and tooth adjusting mechanism of sewing machine |
| CN114990791B (en) * | 2021-03-01 | 2023-08-11 | 杰克科技股份有限公司 | Step differential and tooth adjusting mechanism of sewing machine |
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