CN209722461U - The regulating mechanism of feed dog frame and overedger with the regulating mechanism - Google Patents

Abstract

The utility model relates to a kind of regulating mechanism of feed dog frame and with the overedger of the regulating mechanism, the regulating mechanism includes adjusting component and the power source to the adjusting component input screw movement, it is described to adjust the adjusting slider that component includes eccentric shaft and the eccentric segment for being set to the eccentric shaft, the adjusting slider is slidably connected to the feed dog frame, gear assembly is provided between the concentric segments of the eccentric shaft and the power source, the gear assembly is arranged so that eccentric shaft described in the Rotary motion input of the rotating power source, with drive the adjusting slider on eccentric segment to slide in the sliding groove of the feed dog frame and bias described in feed dog frame, use the overedger of above-mentioned regulating mechanism, the capability improving of sewing quality and system flexibility manufacture, it is with a wide range of applications.

Description

The regulating mechanism of feed dog frame and overedger with the regulating mechanism

Technical field

The utility model relates to sewing device fields, a kind of regulating mechanism more particularly to feed dog frame and have the tune Save the overedger of mechanism.

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.

Utility model content

Based on this, it is necessary to aiming at the problem that overedger is difficult to adapt to different thickness degree clothes, provide a kind of feed dog The regulating mechanism of frame and overedger with the regulating mechanism, the regulating mechanism are able to drive feed dog frame and rotate, with suitable The cloth of different thickness degree is answered, improving has the overedger of the regulating mechanism for the adaptability of different-thickness cloth.

The utility model provides a kind of regulating mechanism of feed dog frame first, for adjusting the feed dog frame in overedger, The regulating mechanism includes adjusting component and the power source to the adjusting component input screw movement, the adjusting component packet It includes eccentric shaft and is set to the adjusting slider of the eccentric segment of the eccentric shaft, the adjusting slider is slidably connected to the work feed Retainer, is provided with gear assembly between the concentric segments of the eccentric shaft and the power source, the gear assembly is arranged so that Eccentric shaft described in the Rotary motion input of the rotating power source, to drive the adjusting slider on eccentric segment in the work feed Feed dog frame described in the interior sliding of the sliding groove of retainer and bias.

The gear assembly includes the first tooth being connected on the power source output terminal in one of the embodiments, Wheel, and the second gear being connected in the concentric segments, the first gear are intermeshed with the second gear to drive The eccentric shaft turns.

Further, the second gear is set as sector gear, and along the vertical direction, the first gear is set to described Below sector gear.

The gear assembly includes the first gear being connected on the power source output terminal in one of the embodiments, And the rack gear with the first gear engaged transmission, the adjusting component further comprises driving lever, and one end of the driving lever connects It is connected to the rack gear, the other end is connected to the concentric segments.

Further, the driving lever has multiple spaced apart connecting holes, and the rack gear can be connected to different institutes State connecting hole.

The second retaining ring is additionally provided on the eccentric segment in one of the embodiments, second retaining ring is for limiting The adjusting slider is moved along the axis direction of the eccentric segment.

It is also arranged with outside the concentric segments for the regulating mechanism to be fixed to overedger in one of the embodiments, Shell on axle sleeve, one end on the axle sleeve close to the adjusting slider is additionally provided with the first retaining ring, so that the axis Set is by the second gear and the first retaining ring axial restraint.

It is also arranged with outside the concentric segments for the regulating mechanism to be fixed to overedger in one of the embodiments, Shell on axle sleeve, one end in the concentric segments close to the adjusting slider is additionally provided with the first retaining ring, so that described Axle sleeve is by the driving lever and the first retaining ring axial restraint.

The power source is set as motor in one of the embodiments, and the motor is fixed by motor mounting rack In on the shell of overedger.

On the other hand the utility model also provides a kind of overedger, including feed dog frame, be provided on the feed dog frame Feed dog, the feed dog include along the spaced apart active tooth of the sliding groove extending direction and differential tooth, the overedger It further comprise regulating mechanism above-mentioned, it is described when the feed dog frame described in the adjusting slider bias of the regulating mechanism Feed dog frame rotates and makes the relative altitude of the active tooth and the differential tooth to change.

The regulating mechanism of above-mentioned feed dog frame, can be by adjusting slider to the bias effect of feed dog frame, so that work feed The rotation of certain angle occurs for retainer, so that feed dog frame be made to can adapt in the feeding process of different thin degree clothes.Make With the overedger of above-mentioned feed dog frame regulating mechanism, sewing quality is improved, the capability improving of machine system flexible manufacturing, is had wide General application prospect.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of overedger, eliminates presser foot device for the clear partial structurtes for illustrating overedger, This part-structure will embody in Fig. 2；

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 a kind of structural schematic diagram of embodiment of regulating mechanism of feed dog frame in overedger shown in Fig. 2；

Figure 13 is the detonation configuration figure of the regulating mechanism of feed dog frame shown in Figure 12；

Figure 14 is the structural schematic diagram of the regulating mechanism of the gear assembly with another embodiment；

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.

Description of symbols

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

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 are led with the technology for belonging to the utility model The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include Any and all combinations of one or more related listed items.

As shown in Figure 1 to Figure 3, Fig. 1 is the structural representation after 100 clipped structure of overedger provided by the utility model Figure, Fig. 2 are that overedger 100 shown in Fig. 1 omits the structural schematic diagram after shell 10, and Fig. 3 is that the decomposition of overedger 100 shown in Fig. 2 is shown It is intended to.According to a kind of overedger 100 of embodiment of the utility model comprising shell 10, presser foot device 30, is sent main shaft 20 Cloth 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, pressure Foot mechanism 30, cloth feeding mechanism 40 and head are all set on shell 10, and presser foot device 30 and cloth feeding mechanism 40 are relatively and close to machine Head setting.

For shell 10 for carrying main shaft 20, presser foot device 30, cloth feeding mechanism 40 and head, main shaft 20 is connected to external drive Source (not shown), and presser foot device 30, cloth feeding mechanism 40 and head operating can be driven under the driving of the external drive source, from And the whole of overedger 100 are completed according to predetermined way and are acted.Wherein: presser foot device 30 is used to press the transport of cloth feeding mechanism 40 To improve the quality and quality sewing and process, cloth feeding mechanism 40 adds for transporting cloth to be processed, head for sewing cloth The cloth that the conveying of work cloth feeding mechanism 40 comes.It drives cloth feeding mechanism 40 reciprocally to transport cloth by main shaft 20, then passes through presser feet machine The tensioning cloth appropriate of structure 30, head can carry out sewing processing to the cloth in good tensioning state, to complete to wrap The sewing-serging process of seam machine 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.It is formed with inner cavity inside shell 10, uses To accommodate main shaft 20, presser foot device 30, cloth feeding mechanism 40, head and remaining auxiliary body, by these components and overseam External environment where machine 100 separates, and the sports apparatus of operator Wu Chu executing agency is avoided, to protect the behaviour of operator Make safety.

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 external drive source, which is connected to spindle hole 11, and main shaft 20 is connected to the chamber from spindle hole 11 The output end of intracorporal external drive source, so that the power of the external drive source be made to be passed to main shaft 20.It is also formed on shell 10 Have working space 12 (being shown in Fig. 4), cloth feeding mechanism 40 is at least partially arranged in the working space 12.

The needle plate 13 for cloth of sewing, the substantially plate of needle plate 13, upper surface are further provided on shell 10 For cloth loading end, namely the working face 131 with lock seaming operation of sewing, the feed dog frame 41 in cloth feeding mechanism 40 is empty in work Between reciprocally elliptic motion in 12, to constantly rise up into the top of working face 131 or fall under working face 131 Side, the uphill process of cloth feeding mechanism 40 can drag cloth, and decline process can reset the position of itself, and feed dog frame 41 recycles Reciprocal rise and fall 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 passes through to be opened up on shell 10 Spindle hole 11, and under the driving of external drive source around itself central axis X rotate.Main shaft 20 have gearratio of cycloid axle formation 21 with It is connected to the transmission mechanism (not shown) of the gearratio of cycloid axle formation 21, when main shaft 20 is around central axis X fixed-axis rotation, gearratio of cycloid axle formation 21 Eccentric rotary is done, and the eccentric rotary is transferred to by each executing agency connected on main shaft 20 by transmission mechanism thereon, To realize that main shaft 20 drives 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, feed dog frame 41 include active feed dog frame 411 and differential cloth-feeding retainer 412, the movement of the first transmission component 42 is inputted from main shaft 20, and the first transmission component 42 can drive active work feed simultaneously Retainer 411 and differential cloth-feeding retainer 412 linear reciprocating motion in a first direction；The movement input of second transmission component 43 comes from In the first transmission component 42, and for driving the linear reciprocating motion in a second direction of differential cloth-feeding retainer 412；Further, The movement of third transmission component 44 is inputted from the second transmission component 43, and for driving active feed dog frame 411 second Linear reciprocating motion on direction.

In present embodiment, first direction is vertical direction, and second direction is the horizontal direction perpendicular to vertical direction.Such as Mark in Fig. 1, first direction are denoted as Z-direction, and second direction is denoted as Y-direction, in which: Z-direction is perpendicular to working face 131, Y-direction is perpendicular to Z-direction and is parallel to arragement direction of whole feed dogs 413 on feed dog frame 41.It can manage Solution, first direction can also be other directions for favouring vertical direction, and second direction, which can also be, favours horizontal direction Other directions；First direction can be mutually perpendicular to second direction, can also be in other angles, first direction and second direction can To be correspondingly arranged according to actual production needs.

Active feed dog frame 411 under the drive of the first transmission component 42 along first direction linear reciprocating motion, second Linear reciprocating motion in a second direction under the drive of transmission component 43, when the movement of active feed dog frame 411 in two directions The result that superposition is moved when consistent, in both direction shows as the reciprocal circular motion of active feed dog frame 411 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 is transported in both direction when the movement of differential feed dog frame 412 in two directions is consistent The result that fold adds shows as the reciprocal circular motion of differential cloth-feeding retainer 412 spatially.

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 movement travel in a first direction, therefore the movement of active feed dog frame 411 and differential cloth-feeding retainer 412 is in space On show as reciprocally elliptic motion.

The feed dog 413 for dragging cloth, active feed dog frame 411 and differential cloth-feeding tooth are provided on feed dog frame 41 For frame 412 after moving to feed dog 413 thereon and being higher by working face 131, feed dog 413 can contact and drag cloth, fall Movement after returning 131 or less working face can reset the dragging position of itself, active feed dog frame 411 and differential cloth-feeding retainer 412 reciprocal elliptic motion can be matched with the actuation of head, and active feed dog frame 411 and differential cloth-feeding retainer 412 are by cloth Material is delivered in head, and head stitches current cloth section with after 412 feeding of differential cloth-feeding retainer in active feed dog frame 411 It threads processing, feed dog frame 41 is further continued for dragging next length of cloth after head is to current cloth completion of processing, is recycled with this and real Existing continuous operation.

Feed dog 413 can pass through needle plate 13, and and presser foot device under the drive of the reciprocal elliptic motion of feed dog frame 41 Pressure foot 34 in 30 matches, and feed dog 413 is compressed using mutually supporting with pressure foot 34 with the movement on first direction Cloth, and cloth is dragged using the movement in second direction.Feed dog 413 includes being set on active feed dog frame 411 Active tooth 4131 and the differential tooth 4132 being set on differential cloth-feeding retainer 412 are provided on active feed dog frame 411 and are used for The active tooth 4131 of cloth is dragged, active tooth 4131 has jagged surface to increase the drawing force to cloth；Differential cloth-feeding The differential tooth 4132 for dragging cloth is provided on retainer 412, differential tooth 4132 is also equipped with jagged surface to increase To the drawing force of cloth.In a second direction, active tooth 4131 and differential tooth 4132 are spaced apart from each other setting, and gap between the two is used In give head provide processing space, that is, head in the processing space between active tooth 4131 and differential tooth 4132 to cloth into Row processing, to complete sewing operation.

In a kind of this embodiment, movement phase of the active feed dog frame 411 with differential cloth-feeding retainer 412 in a first direction To synchronization, movement in a second direction is asynchronous, so that overedger 100 obtains preferably sewing processing effect.Certainly, In other embodiments, it can also be moved synchronously between active feed dog frame 411 and differential cloth-feeding retainer 412.

The oil baffle for cooperating active feed dog frame 411 and differential cloth-feeding retainer 412 to move is additionally provided on shell 10 414 and guide rail 415, oil baffle 414 is substantially in " mouth " font, and active feed dog frame 411 and differential cloth-feeding retainer 412 pass through gear The centre bore of oiled-plate method 414 and the actuation in the spatial dimension of the centre bore.It is appreciated that in order to guarantee active feed dog frame 411 With the smooth movement of differential cloth-feeding retainer 412, the aperture of 414 centre bore of oil baffle and active feed dog frame 411 and differential cloth-feeding The size of retainer 412 and movement need to form matching.The two sides of oil baffle 414 and active feed dog frame 411 and differential cloth-feeding tooth The corresponding contact in 412 side of frame, the side of oil baffle 414, which can scrape, wipes active feed dog frame 411 and differential cloth-feeding retainer 412 On lubricating oil, the part that directly contacts with cloth of flowing of lubrication oil infiltration is avoided, the problems such as pollution so as to cause cloth.

Guide rail 415 is fixed at shell 10 and is nested in active feed dog frame 411 and differential cloth-feeding retainer 412, Guide rail 415 is used to improve the stability that active feed dog frame 411 and differential cloth-feeding retainer 412 move, and avoids active feed dog frame 411 there is movement warp with differential cloth-feeding retainer 412.

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 on active feed dog frame 411 far from active tooth 4131 has extended to form arranged for interval up and down and has been parallel to each other Adjutage 416, one end on differential cloth-feeding retainer 412 far from differential tooth 4132 also forms the adjutage of same or similar structure 416.The sliding groove 418 extended along 41 length direction of feed dog frame, the sliding groove are formed between upper and lower two groups of adjutages 416 418 for being arranged the regulating mechanism 60 of feed dog frame 41.

The approximate mid-section position of active feed dog frame 411 and differential cloth-feeding retainer 412 offer be approximately rectangle sliding slot (not labeled), the sliding slot is for cooperating the first transmission component 42, in order to which the first transmission component 42 drives active feed dog frame 411 do linear reciprocating motion with differential cloth-feeding retainer 412 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 the movement output ends of third transmission component 44, thus real Connection between existing third 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.The movement of first transmission component 42 Input terminal is set on main shaft 20, and movement output ends are connected to close on active feed dog frame 411 and differential cloth-feeding retainer 412 Like in the sliding slot of rectangle.The rotation of main shaft 20 drives active feed dog frame by the movement conversion of the first transmission component 42 411 with differential cloth-feeding retainer 412 along first direction linear reciprocating motion.

In one embodiment, the first transmission component 42 includes vertical driving sliding block 421, eccentric wheel 422 and feeding Connecting rod 423, it is vertical to drive sliding block 421 for driving active feed dog frame 411 reciprocal along first direction with differential cloth-feeding retainer 412 Movement, eccentric wheel 422 and feeding connecting rod 423 cooperate, for driving the operating of the second transmission component 43.

The approximate center of vertical driving sliding block 421 offers through-hole, vertical that sliding block 421 is driven to be socketed in by the through-hole In one gearratio of cycloid axle formation 21 of main shaft 20.Main shaft 20 around own central axis line rotation meeting so that gearratio of cycloid axle formation 21 does eccentric rotary, The vertical driving sliding block 421 being socketed in gearratio of cycloid axle formation 21 is driven to make parallel moving.Due to driving sliding block 421 slidable vertically It is arranged in the sliding slot on feed dog frame 41, therefore, the movement that main shaft 20 is input to vertical driving sliding block 421 is broken down into Movement along the sliding slot direction and the movement on first direction, wherein the movement along the sliding slot direction is so that vertical drive Movable slider 421 slides that (movement i.e. in this direction only causes to drive sliding block 421 in feed dog frame 41 vertically in the sliding slot Relative motion does not drive feed dog frame 41 to generate absolute movement)；Movement on first direction so that drive sliding block vertically 421 drive feed dog frames 41 move back and forth in a first direction together.In other words, drive sliding block 421 in side surface direction vertically 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.

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 bearing 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 utility model is also Adjusting panel 54 including the outside of shell 10 is arranged in, offers sliding slot (not labeled) in adjusting panel 54, adjusting rod 51 with set The sliding block (not labeled) set in sliding slot is fixedly connected, and regulating part 541 is installed on sliding block, and operator passes through operation regulating part 541 can adjust the swing position of 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 utility model is additionally provided with fixing axle 521 on differential crank 52, fixed Axis 521 is installed in the inside of shell 10 and is realized by axial screw 522 and is fixedly connected with adjusting rod 51.By setting Fixing axle 521 is set, differential crank 52 can be stably placed on shell 10, axial screw 522 can also realize differential song Being reliably connected between handle 52 and adjusting rod 51 further improves the reliability and stability of the work of overedger 100.

Also referring to Figure 12 to Figure 14, 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, the regulating mechanism 60 of feed dog frame, regulating mechanism 60 are additionally provided on overedger 100 It is connected to feed dog frame 41, leads to the angle and height for adjusting feed dog frame 41, changes different-thickness cloth using feed dog 413 The feeding state of material, so that cloth is in tensioning state appropriate, to improve the sewing efficiency of different-thickness cloth.

Regulating mechanism 60 is connected to feed dog frame 41, and including adjusting component 61 and for defeated in component 61 to adjusting Enter the power source 62 of rotary motion.Wherein: adjusting component 61 includes eccentric shaft 611 and the output for being connected to the power source 62 Gear assembly 63 between end and eccentric shaft 611, the rotary motion that power source 62 exports pass through the incoming bias of the gear assembly 63 Axis 611, so that eccentric shaft 611 is rotated with power source 62.Eccentric shaft 611 includes concentric segments that are close and being connected to gear assembly 63 6111 and the eccentric segment 6112 oppositely extending from concentric segments 6111, concentric segments 6111 and the axis of eccentric segment 6112 be parallel to each other But not conllinear, the movement of power source 62 is from after the input of concentric segments 6111, dead axle of the eccentric segment 6112 relative to the concentric segments 6111 Eccentric rotary is done in rotation.

Adjusting component 61 further comprises the adjusting slider 612 being rotationally connected on eccentric segment 6112, the adjusting slider 612 are slidingly attached in the sliding groove 418 on feed dog frame 41,612 rectangular-blocklike of adjusting slider, to make adjusting slider 612 is relatively reliable with the sliding contact of sliding groove 418.Feed dog frame 41 is rotationally connected on main shaft 20.With eccentric segment Two movements occur simultaneously for 6112 eccentric rotary, adjusting slider 612: along the sliding of sliding groove 418 and along first direction bias The movement of feed dog frame 41, wherein the movement of the feed dog frame 41 as caused by adjusting slider 612 in a first direction is so that work feed 416 one end of adjutage of retainer 41 rises or falls, and with 20 place of being rotatably connected of main shaft certain angle occurs for feed dog frame 41 around it The tilt rotation of degree.In this way, adjusting component 61 can correspondingly adjust according to the thickness degree of cloth under the drive of power source 62 The inclination angle of feed dog frame 41 is saved, (feed dog 413 is in feed dog frame 41 to change the inclination angle of feed dog 413 on feed dog frame 41 The inclination angle of upper fixation, feed dog frame 41 changes, then for working face 131, the inclination angle of feed dog 413 is sent out therewith Changing), meanwhile, the height that the tilt rotation of feed dog frame 41 also results in the stretching working face 131 of feed dog 413 becomes Change, feed dog 413 adapts to the cloth of different thickness degree by oneself height and change of pitch angle.Pass through power source 62 and gear The cooperation of component 63 adjusts the angle that eccentric shaft 611 turns over, so that it may adjust on feed dog frame 41 to preset angle.

It please refers to shown in Figure 12 and Figure 13, a kind of embodiment of gear assembly 63 is gear-driven shape as shown in the figure Formula.Specifically, gear assembly 63 includes the first gear 631 being connected on 62 output end of power source and is connected to eccentric shaft Second gear in 611 concentric segments 6111.Since the adjusting angle of feed dog frame 41 is not too big, in some implementations In mode, second gear is configured like the partial gears such as sector gear 632, and the setting range of the gear teeth is according to work feed The maximum preset angle of retainer 41 determines.It is understood that gear assembly 63 shown in Figure 12 and Figure 13 can use straight-tooth Take turns the forms such as transmission, Helical gear Transmission.In the embodiment using sector gear 632 or other partial gears as second gear In, first gear 631 is preferably disposed at the lower section of sector gear 632, in this way, sector gear 632 has under Gravitative Loads The part of the gear teeth is sagging, with 631 engaged transmission of first gear.

As shown in figure 14, the another embodiment of gear assembly 63 is the form of rack pinion.Specifically, with One gear, 631 engaged transmission is rack gear 633.Adjusting component 61 further comprises driving lever 616, one end connection of the driving lever 616 On to rack gear 633, in the concentric segments 6111 that the other end is connected to eccentric shaft 611.Power source 62 drives first gear 631 to rotate When, due to the transmission of rack-and-pinion, rack gear 633 moves linearly, and is connected to one end of rack gear 633 with rack gear 633 on driving lever 616 It moves and goes up and down, so that the eccentric shaft 611 being connected on 616 other end of driving lever rotates predetermined angle.

In some embodiments, arranged for interval has multiple connecting holes 6161 on driving lever 616, and rack gear 633 is according to needing to select It selects and is connected on one of connecting hole 6161, so change 633 moving distance of rack gear and eccentric shaft 611 turns between angle Relationship.

In some embodiments, adjusting component 61 further includes axle sleeve 613, and axle sleeve 613 is arranged the concentric of eccentric shaft 611 Section 6111 and it is fixed on the housing 10, axle sleeve 613 is used to support eccentric shaft 611 on shell 10, so that eccentric shaft 611 can It is supported on shell 10 and can be rotated relative to shell 10 by ground.Axle sleeve 613 have many advantages, such as it is anticorrosive, at low cost, it is more suitable The work condition environment preferably to slowly run.Further, axle sleeve 613 is copper sheathing.It is appreciated that in other implementations, casing It can also be made of other materials apart from copper；Under the working condition requirement for not considering cost and slowly running, axle sleeve 613 Rolling bearing can also be used.

In an embodiment of the utility model, the two sides of axle sleeve 613 are respectively arranged first retaining ring 614, and two A first retaining ring 614 is oppositely arranged on the both ends of axle sleeve 613, and the first retaining ring 614 is for fixed hub 613 in eccentric shaft 611 Position, avoid casing that 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 the embodiment using 631 engaged transmission of sector gear 632 and first gear, close to 62 one end of power source The first retaining ring 614 can be set to the mounting portion 6321 on sector gear 632, in this embodiment, the axis of axle sleeve 613 It is realized to fixed by the first retaining ring 614 and mounting portion 6321.Similar is using rack pinion conduct shown in Figure 14 In the embodiment of gear assembly 63, the first retaining ring 614 close to 62 one end of power source can be formed on driving lever 616, this The axial restraint of sample, axle sleeve 613 is realized by the first retaining ring 614 and driving lever 616.

In some embodiments, the two sides of adjusting slider 612 can also respectively be arranged second retaining ring 615, and two Two retaining rings 615 are oppositely arranged on the two sides of adjusting slider 612, and are sequentially set in the inclined of eccentric shaft 611 with adjusting slider 612 In heart section 6112, the second retaining ring 615 is used for position of the secured adjusted sliding block 612 on eccentric shaft 611, avoids adjusting slider 612 Sliding groove 418 is offset out 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.

In some embodiments, power source 62 is set as motor.It is appreciated that in other implementations, power Source 62 also could alternatively be other rotate driving elements in addition to motor.As long as the driving element can be realized Electronic control i.e. It can.Power source 62 is fixed on the shell 10 of overedger 100 by motor mounting rack 621.

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 generation height under adjusting of the one end of feed dog frame 41 in regulating mechanism 60 When change, the whole inclination angle of feed dog frame 41 changes, and the change of 41 overall inclination angle of feed dog frame can change feed dog 413 Inclination angle namely active tooth 4131 are concordant from horizontal concordant oblique angle of changing into differential tooth 4132, due to active tooth 4131 with it is differential Tooth 4132 is respectively with different elliptical orbit work feeds, and angle tilt bring Level Change can change the sewing of head between the two Effect.

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.

Regulating mechanism 60 provided by the utility model can adjust inclination angle and the height of feed dog frame 41, so that feed dog Frame 41 can change feed dog 413 to the feeding state of cloth according to the thickness degree of different clothes.Use above-mentioned regulating mechanism 60 overedger 100, sewing quality improve, and the capability improving of machine system flexible manufacturing is with a wide range of applications.

Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate that this is practical new Type, and be not used as the restriction to the utility model, as long as implementing in the spirit of the utility model to above Suitably change and change made by mode and all falls in the range of the requires of the utility model protection.

Claims (10)

1. a kind of regulating mechanism of feed dog frame, for adjusting the feed dog frame in overedger (41), which is characterized in that the tune Saving mechanism includes adjusting component (61) and the power source (62) to adjusting component (61) the input screw movement, the adjusting Component (61) include eccentric shaft (611) and be set to the eccentric shaft (611) eccentric segment (6112) adjusting slider (612), the adjusting slider (612) is slidably connected to the feed dog frame (41), the concentric segments of the eccentric shaft (611) (6111) it is provided between the power source (62) gear assembly (63), the gear assembly (63) is arranged so that described dynamic Eccentric shaft (611) described in the Rotary motion input in power source (62), to drive the adjusting slider (612) on eccentric segment (6112) The feed dog frame (41) described in the interior sliding of sliding groove (418) of the feed dog frame (41) and bias.

2. the regulating mechanism of feed dog frame according to claim 1, which is characterized in that the gear assembly (63) includes connecting The first gear (631) being connected on the power source (62) output end, and be connected on the concentric segments (6111) second Gear, the first gear (631) and the second gear are intermeshed to drive the eccentric shaft (611) to rotate.

3. the regulating mechanism of feed dog frame according to claim 2, which is characterized in that the second gear is set as fan-shaped Gear (632), along the vertical direction, the first gear (631) are set to below the sector gear (632).

4. the regulating mechanism of feed dog frame according to claim 1, which is characterized in that the gear assembly (63) includes connecting The first gear (631) being connected on the power source (62) output end and the tooth with the first gear (631) engaged transmission Item (633), the adjusting component (61) further comprise driving lever (616), and one end of the driving lever (616) is connected to the rack gear (633), the other end is connected to the concentric segments (6111).

5. the regulating mechanism of feed dog frame according to claim 4, which is characterized in that the driving lever (616) has multiple Spaced apart connecting hole (6161), the rack gear (633) can be connected to the different connecting holes (6161).

6. the regulating mechanism of feed dog frame according to claim 1, which is characterized in that also set on the eccentric segment (6112) It is equipped with the second retaining ring (615), second retaining ring (615) is for limiting the adjusting slider (612) along the eccentric segment (6112) movement of axis direction.

7. the regulating mechanism of feed dog frame according to claim 2, which is characterized in that the concentric segments (6111) also cover outside Equipped with the axle sleeve (613) for being fixed to the regulating mechanism on the shell (10) of overedger, on the concentric segments (6111) The first retaining ring (614) are additionally provided with close to the one end of the adjusting slider (612), so that the axle sleeve (613) is by described the Two gears and the first retaining ring (614) axial restraint.

8. the regulating mechanism of feed dog frame according to claim 4, which is characterized in that the concentric segments (6111) also cover outside It is close on the axle sleeve (613) equipped with the axle sleeve (613) for being fixed to the regulating mechanism on the shell (10) of overedger One end of the adjusting slider (612) is additionally provided with the first retaining ring (614), so that the axle sleeve (613) is by the driving lever (616) with the first retaining ring (614) axial restraint.

9. the regulating mechanism of feed dog frame according to claim 1, which is characterized in that the power source (62) is set as electricity Machine, the motor are fixedly arranged on the shell (10) of overedger by motor mounting rack (621).

10. a kind of overedger, including feed dog frame (41), feed dog (413), feature are provided on the feed dog frame (41) It is, the feed dog (413) includes along the spaced apart active tooth (4131) of the sliding groove (418) extending direction and differential Tooth (4132), the overedger further comprises regulating mechanism described in any one of claim 1-9, when the adjusting machine When feed dog frame (41) described in the adjusting slider (612) bias of structure, the feed dog frame (41) rotates and makes the master The relative altitude of dynamic tooth (4131) and the differential tooth (4132) changes.