CN109355814A - Feed dog frame adjusting method - Google Patents

Abstract

The present invention provides a kind of feed dog frame adjusting method, feed dog frame adjusting method is applied on an overedger, feed dog frame adjusting method is for adjusting the inclination angle of feed dog frame and height in overedger, overedger includes operating assembly and adjusting component, adjusting component includes eccentric shaft and adjusting slider, eccentric shaft wears adjusting slider and is connected to operating assembly, and adjusting slider is embedded on feed dog frame, and feed dog frame adjusting method includes: manipulation operating assembly and drives eccentric shaft turns；Adjusting slider relative eccentric axis is driven to move using the rotation of eccentric shaft；Using sliding of the adjusting slider on feed dog frame and raising or decline at feed dog frame one end, inclination angle and the height of feed dog frame are adjusted.The present invention changes the height of feed dog frame at one end by being rotatably assorted between eccentric shaft and adjusting slider, adjusting while can be realized inclination angle and height, using the overedger of this method to the cloth that can automatically adapt to different-thickness, it is with a wide range of applications.

Description

Feed dog frame adjusting method

Technical field

The present invention relates to stitching process field more particularly to a kind of feed dog frame adjusting methods.

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 adjusting method, which be can be realized pair It is adjusted while feed dog frame inclination angle and height, so that the processing quality of overedger improves, the ability of machine system flexible manufacturing It is promoted.

The present invention provides a kind of feed dog frame adjusting method, and the feed dog frame adjusting method is applied on an overedger, The feed dog frame adjusting method includes behaviour for adjusting the inclination angle of feed dog frame and height in the overedger, the overedger Make component and adjust component, the adjusting component includes eccentric shaft and adjusting slider, and the eccentric shaft wears the adjusting slider And it is connected to the operating assembly, the adjusting slider is embedded on the feed dog frame, the feed dog frame adjusting method packet It includes:

It manipulates the operating assembly and drives the eccentric shaft turns；

The relatively described eccentric shaft of the adjusting slider is driven to move using the rotation of the eccentric shaft；

Using the adjusting slider in the sliding on the feed dog frame and the raising at described feed dog frame one end or Decline, adjusts inclination angle and the height of the feed dog frame.

Further, the operating assembly includes control element, and the control element is connected to the eccentric shaft, the behaviour The control element for controlling the operating assembly rotates and includes: the step of driving the eccentric shaft turns

The control element for manipulating the operating assembly rotates and drives the eccentric shaft turns.

Further, the control element is electric control element, and the control element rotation of the manipulation operating assembly is simultaneously The step of driving the eccentric shaft turns include:

It manipulates the electric control element and drives the eccentric shaft turns in a manner of Electronic control.

Further, the electric control element is motor.

Further, the overedger further includes Thickness sensitivity module, and the Thickness sensitivity module is for detecting cloth The step of thickness, the manipulation electric control element drives the eccentric shaft turns in a manner of Electronic control includes:

The thickness of the Thickness sensitivity module detection cloth；

The electric control element drives the eccentric shaft turns according to the fabric thickness that the Thickness sensitivity module detects Corresponding angle.

Further, the Thickness sensitivity module includes Hall element and magnetic part, the Hall element and magnetic part phase Mutually adaptation, the Thickness sensitivity module detect the thickness of cloth by hall principle.

Further, the Thickness sensitivity module includes ultrasonic distance sensor, infrared distance sensor, optical distance At least one of sensor, pressure sensor.

Further, the control element is control-rod, and the control element of the manipulation operating assembly rotates and band The step of moving the eccentric shaft turns include:

It manipulates the control-rod and drives the eccentric shaft turns in a manner of being manually operated.

Further, the operating assembly further includes transmission component, transmission component setting in the control element and Between the eccentric shaft, the step of control element of the manipulation operating assembly rotates and drives the eccentric shaft turns packet It includes:

The control element is manipulated the rotation of itself to be transferred on the eccentric shaft by transmission component and described in driving Eccentric shaft turns.

Further, the transmission component includes worm gear and worm screw, and the worm gear and worm screw are intermeshed, the manipulation institute State the step that the rotation of itself was transferred on the eccentric shaft and was driven the eccentric shaft turns by transmission component by control element Suddenly include:

It manipulates the control element and the rotation of itself is transferred to by the eccentric shaft by worm gear and the transmitting of the power of worm screw It goes up and drives the eccentric shaft turns.

The present invention is changed the feed dog frame and is existed by being rotatably assorted between the eccentric shaft and the adjusting slider The height of one end, adjusting while can be realized inclination angle and height can automatically be adapted to not using the overedger of this method The cloth of stack pile, is with a wide range of applications.

Detailed description of the invention

Fig. 1 is to show using structure of the overedger of feed dog frame adjusting method provided by the invention after clipped structure It is intended to；

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；

Figure 16 is overedger the sending in the second embodiment using feed dog frame adjusting method provided by the invention The structural schematic diagram of cloth retainer regulating mechanism；

Figure 17 is the decomposition diagram of feed dog frame regulating mechanism shown in Figure 16；

Figure 18 is the flow diagram of feed dog frame adjusting method in one embodiment of the present invention.

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.

The present invention provides a kind of feed dog frame adjusting method, please refers to Fig. 1 and Fig. 3, and Fig. 1, which is that application is provided by the invention, to be sent Structural schematic diagram of the overedger 100 of cloth retainer adjusting method after clipped structure, Fig. 2 are that overedger 100 shown in Fig. 1 omits Structural schematic diagram after shell 10, Fig. 3 are the decomposition diagram of overedger 100 shown in Fig. 2.Overedger 100 is mainly used for weaving The lock seaming of product sews, and has a wide range of applications in industry and household sewing, is particularly important and accurate sewing machine.

Overedger 100 using feed dog frame adjusting method 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 machine Head, presser foot device 30, cloth feeding mechanism 40 and head are all set on shell 10, and presser foot device 30 is opposite with cloth feeding mechanism 40 and leans on Nearly 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 power source (not shown), and presser foot device 30, cloth feeding mechanism 40 and head operating, presser foot device 30 can be driven under the driving of power source For pressing the cloth of the transport of cloth feeding mechanism 40 to improve the quality and quality of sewing processing, cloth feeding mechanism 40 is to be added for transporting The cloth of work, head, which is used to sew, processes the cloth that the conveying of cloth feeding mechanism 40 comes.Drive cloth feeding mechanism 40 reciprocal by main shaft 20 Ground transports cloth, then by the tensioning cloth appropriate of presser foot device 30, head can be to the cloth for being in good tensioning state Sewing processing is carried out, 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, which is worn, to be opened 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 operate in power source.It is main Axis 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 solid with respect to shell 10 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 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, make It obtains cloth and 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 for Support presser feet bracket 33；Presser feet bracket 33 is used to support pressure foot 34.It is opposite by the rotation of presser feet axis 31 and pressure foot 34 The rotation of 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 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, and first passes Dynamic component 42 being capable of being rotated by drive active feed dog frame 411 and differential cloth-feeding retainer 412 the in main shaft 20 Linear reciprocating motion on one direction；Second transmission component 43 is set between the first transmission component 42 and differential cloth-feeding retainer 412, Second transmission component 43 can drive differential cloth-feeding retainer 412 reciprocal in a second direction under the drive of the first transmission component 42 Linear motion；Third transmission component 44 is set between the second transmission component 43 and active feed dog frame 411, third transmission component 44 can drive the linear reciprocating motion in a second direction of active feed dog frame 411 under the drive of the second transmission component 43.

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, and head carries out current cloth section after active feed dog frame 411 and 412 feeding of differential cloth-feeding retainer Sewing processing, feed dog frame 41 are further continued for dragging next length of cloth, be recycled simultaneously with this after head is to current cloth completion of processing 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 Jagged surface is to increase the drawing force to cloth；The differential tooth for dragging cloth is provided on differential cloth-feeding retainer 412 4132, differential tooth 4132 is 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 active feed dog frame 411 and differential cloth-feeding The smooth movement of retainer 412, the aperture of 414 centre bore of oil baffle and the ruler of active feed dog frame 411 and differential cloth-feeding retainer 412 Very little and movement need to form matching.The two sides of oil baffle 414 and active feed dog frame 411 and 412 side pair of differential cloth-feeding retainer It should 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, keep away Exempt to lubricate the part that the flowing of oil infiltration is directly contacted 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 and send The sliding groove 418 that 41 length direction of cloth retainer extends, the adjutage 416 that setting two is parallel to each other are used to adjust for feed dog frame 41 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 drives sliding block 421 in the fortune of side surface direction vertically The dynamic sliding slot by inside feed dog frame 41 discharges, vertical that sliding block 421 is driven only to drive feed dog frame 41 reciprocal in a first direction Ground linear motion, 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 driving the movement of the second transmission component 43, to drive active feed dog frame 411 and poor for the second transmission component 43 Linear reciprocating motion of the dynamic feed dog frame 412 on lateral provides power resources.Eccentric wheel 422 is fixed on main shaft 20 and can It is rotated under the drive of main shaft 20；One end of feeding connecting rod 423 is set on eccentric wheel 422 and is rotatablely connected with eccentric wheel 422, 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, due to the bias of eccentric wheel 22 Setting, main shaft 20 show as eccentric moving of the eccentric wheel 22 around main shaft 20 to its rotate driving；Again due to 423 sets of feeding connecting rod It is located 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, partially Heart 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 to spine on eccentric cam 424 Pawl (not labeled), eccentric wheel 22 and relative position of the feeding connecting rod 423 on main shaft 20 are realized by eccentric cam 424 and pawl It is fixed；Certainly, eccentric cam 424 and pawl also have the function of adjusting the executive component in overedger 100, do not go to live in the household of one's in-laws on getting married herein It states.

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 shell On body 10, by the carrying of cloth pushing shaft 431, the second transmission component 43 can be set at shell 10 with stable state.Work feed The both ends of axis 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 10 carrying.

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.Difference Feeding connecting rod 423 in dynamic cloth feeding crank 432 and the first transmission component 42 is rotatablely connected, and the swing of feeding connecting rod 423 will drive Differential cloth feeding crank 432 reciprocally rotates.Differential cloth feeding crank 432 is also provided with multiple through-holes in long side part, which uses In 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 be realized between the two by threaded fastener 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 and poor The movement source of dynamic feed dog frame 412 is consistent, it is only necessary to be adjusted each in the second transmission component 43 and third transmission component 44 The initial position or length of a 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 further includes being arranged outside shell 10 The adjusting panel 54 of side, offers sliding slot (not labeled) in adjusting panel 54, adjusting rod 51 with the sliding block that is arranged in sliding slot (not Label) it is fixedly connected, regulating part 541 is installed on sliding block, operator can adjust adjusting rod 51 by operating regulating part 541 Swing position, 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.

Further, differential amount regulating mechanism 50 is additionally provided with fixing axle 521 on differential crank 52, and fixing axle 521 is solid It is located at the inside of shell 10 and is realized by axial screw 522 and is fixedly connected with adjusting rod 51.By the way that fixing axle is arranged 521, differential crank 52 can be stably placed on shell 10, axial screw 522 can also realize differential crank 52 and adjust Being reliably connected between pole 51 further improves the reliability and stability of the work of overedger 100.

It is the feed dog frame tune in the first embodiment of overedger 100 shown in Fig. 2 also referring to Figure 12 to Figure 14, Figure 12 The structural schematic diagram of mechanism 60 is saved, Figure 13 is structural schematic diagram of the feed dog frame regulating mechanism 60 shown in Figure 12 at another visual angle, Figure 14 is the decomposition diagram of feed dog frame regulating mechanism 60 shown in Figure 13.Existing overedger is in the process for realizing sewing operation In, the cloth of specific thicknesses can be only processed, it is very poor to the sewing efficiency of other thickness range clothes.In order to improve to different thickness The adaptability of cloth is spent, the ability of machine system flexible manufacturing is promoted, is additionally provided with feed dog frame regulating mechanism on overedger 100 60, feed dog frame regulating mechanism 60 is connected to feed dog frame 41, leads to the angle and height for adjusting feed dog frame 41, utilizes work feed Tooth 413 changes the feeding state of different-thickness cloth, so that cloth is in tensioning state appropriate, to improve different-thickness cloth The sewing efficiency of material.

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, adjusts and slides Block 612 is set on eccentric shaft 611 and is embedded at two on feed dog frame 41 parallel adjutages 416, eccentric shaft 611 612 actuation of adjusting slider is able to drive 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.

Operating assembly 62 includes control element 621 and transmission component 622, and control element 621 is connected to transmission component 622, Transmission component 622 is set to control element 621 and adjusts between component 61, and control element 621 is used to manipulate for operator and rotate, Transmission component 622 is used to for the rotation of control element 621 being transferred to and adjust at component 61, and is turned according to control element 621 Momentum controls to adjust component 61 to the knots modification at 41 inclination angle of feed dog frame.

Control element 621 is connect with transmission component 622, and the amount of spin of control element 621 is transferred to by transmission component 622 It adjusting at component, operator can adjust the inclination angle size and height of feed dog frame 41 by manipulating control element 621 in real time, It is easy to operate.

Further, operating assembly 62 includes control element 621 and transmission component 622, and transmission component 622 is set to control Between element 621 and eccentric shaft 611, control element 621 adjusts eccentric shaft by transmission component 622 by way of Electronic control 611 deflection angle, to adjust the angle and height of feed dog 413.

In first embodiment of this overedger 100, control element 621 is electric control element 6211, and operating assembly 62 is logical The mode for crossing Electronic control adjusts the angle of the rotation of eccentric shaft 611, to adjust on feed dog frame 41 to preset angle.

Further, transmission component 622 includes the worm screw 6221 being set on 6211 output shaft of electric control element and is arranged Worm gear 6222 in 611 concentric segments 6111 of eccentric shaft, worm screw 6221 are fixedly connected with the output shaft of electric control element 6211, worm gear 6222 are fixedly connected with the concentric segments 6111 of eccentric shaft 611, and the rotation of 6211 output shaft of electric control element passes through worm screw 6221 and snail The intermeshing of wheel 6222 drives worm gear 6222 to turn to preset angle, due to consolidating between worm gear 6222 and eccentric shaft 611 Fixed connection, the rotation of worm gear 6222 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 6211 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 6211, screw passes through worm gear 6222 It is held at the bottom wall of groove afterwards, by opening up groove, the rotation of 6211 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 6211 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 6211 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 6211 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.

In the overedger 100 of application feed dog frame adjusting method provided by the invention, being not intended to limit transmission component 622 must It must be by the way of Worm Wheel System；In other implementations, transmission component 622 can also use V belt translation, gear The other kinds of kind of drive such as rack gear, shaft coupling；When electric control element 6211 is not necessarily to directly drive by transmission component 622 When eccentric shaft 611 rotates, transmission component 622 also be can be omitted.

The rotation of electric control element 6211 will drive the rotation of worm gear 6222, and the rotation of worm gear 6222 will drive eccentric shaft 611 again Eccentric rotary, the eccentric rotary of eccentric shaft 611 will drive the adjusting slider 612 being rotatablely connected with eccentric shaft 611 again and occur the Position change on one direction, to realize the angle and height adjustment to feed dog frame 41.

In present embodiment, electric control element 6211 is motor.It is appreciated that in other implementations, electric control element 6211 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 one embodiment, electric control element 6211 is screwed in the side of shell 10, fixing seat by a fixing seat 623 Also by being screwed between 623 and electric control element 6211, electric control element 6211 is fixed on to the side of shell 10, can be convenient for The dismounting and adjusting of electric control element 6211.

Certainly, in other implementations, between electric control element 6211 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 6211 can also be fixed on shell 10 using other structures On, fixing seat 623 can be omitted at this time.

In one embodiment, adjusting component 61 further includes axle sleeve 613, and axle sleeve 613 is arranged the concentric segments of eccentric shaft 611 6111 and it is fixed on the housing 10, axle sleeve 613 provides the stable swivel becket of eccentric shaft 611 for carrying eccentric shaft 611 Border.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 one embodiment, the two sides of casing are respectively arranged first retaining ring 614, two 614 phases of the first retaining ring To the both ends that axle sleeve 613 is arranged in, the first retaining ring 614 is used for position of the fixed hub 613 on eccentric shaft 611, avoids casing 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 one embodiment, the two sides of adjusting slider 612 are respectively arranged second retaining ring 615, two second gear Circle 615 is oppositely arranged on the two sides of adjusting slider 612, and the eccentric segment of eccentric shaft 611 is sequentially set in adjusting slider 612 On 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 because of shake It moves and offsets out sliding groove 418.

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.

Further, the thickness that Thickness sensitivity module (not shown) carrys out real-time detection cloth can also be set on overedger 100 Degree, electric control element 6211 can adjust feed dog frame 41 to corresponding inclination angle and height according to the thickness that Thickness sensitivity module detects Degree.

Further, Thickness sensitivity module can be realized using modes such as Hall element, infrared acquisitions to fabric thickness Detection.

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 inclination angle namely the active tooth of feed dog 413 4131 is concordant from horizontal concordant oblique angle of changing into differential tooth 4132, due to active tooth 4131 with differential tooth 4132 respectively with difference 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 table Show corner cut direction when active tooth 4131 and differential tooth 4132 cut out working face, F indicates active tooth 4131 and differential tooth 4132 To the elastic force direction of cloth.

(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 is low In 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 still keeps perpendicular Histogram to, but corner cut direction when active tooth 4131 and differential tooth 4132 cut out working face no longer keeps vertical direction, and It is that 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 rises prior to active tooth 4131 To cloth is contacted above needle plate and in advance, the work feed efficiency of differential tooth 4132 is higher than the work feed efficiency of active tooth 4131, therefore main With differential tooth 4132 when conveying cloth, differential tooth 4132 relative to active tooth 4131 there is dynamic tooth 4131 certain pursuit to imitate 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 is high In 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 still keeps perpendicular Histogram is to but corner cut direction when active tooth 4131 and differential tooth 4132 cut out working face no longer keeps vertical direction, main Dynamic tooth 4131 carries out work feed with differential tooth 4132 in a manner of beveling；

Since the height of active tooth 4131 is higher than the height of differential tooth 4132, active tooth 4131 rises prior to differential tooth 4132 Cloth is contacted to the top of needle plate 13 and in advance, and the work feed efficiency of active tooth 4131 is higher than the work feed efficiency of differential tooth 4132, therefore When conveying cloth, active tooth 4131 has certain separate effect relative to differential tooth 4132 for active tooth 4131 and differential tooth 4132 Fruit forms the dilatory effect to cloth, so that the smooth not fold of the thin material such as grenadine, sewing quality is more preferably.

Also referring to Figure 16 and Figure 17, Figure 16 is the overedger using feed dog frame adjusting method provided by the invention The structural schematic diagram of 100 feed dog frame regulating mechanism 60a in the second embodiment, Figure 17 are feed dog frame tune shown in Figure 16 Save the decomposition diagram of mechanism 60a.Adjust component 61a's and operating assembly 62a in second embodiment of the invention Connection relationship and effect are identical with first embodiment, and this will not be repeated here.

In second embodiment of overedger 100, regulating mechanism 61 is in addition to including above-mentioned eccentric shaft 611 and adjusting Sliding block 612, regulating mechanism 61 further include adjusting crank 613a, eccentric shaft 611, adjusting slider 612 and the adjusting equal edge crank 613a Perpendicular to extending laterally for 41 length direction of feed dog frame, eccentric shaft 611 wears adjusting slider 612 and adjusts crank 613a, adjusts Section sliding block 612 is set on eccentric shaft 611 and is embedded at two on feed dog frame 41 parallel adjutages 416, adjusts Crank 613a fixation is arranged eccentric shaft 611 and is connected to operating assembly 62a.Crank 613a is adjusted in the drive of operating assembly 62a Dynamic lower drive eccentric shaft 611 rotates, and the rotation of eccentric shaft 611 will drive the movement of adjusting slider 612, feed dog frame regulating mechanism again 60 drive height and the inclination angle of the adjusting of feed dog frame 41 itself by the movement of adjusting slider 612 again.

The one end for adjusting crank 613a is set in the concentric segments 6111 of eccentric shaft 611, diameter of the other end along eccentric shaft 611 To extending outwardly and being rotatablely connected with operating assembly 62a, adjusts crank 613a and separated along the portion that eccentric shaft 611 extends radially out Equipped with through-hole (not labeled), crank 613a is adjusted by through-hole attended operation component 62a, adjusting crank 613a can operate It is rotated under the drive of component 62a, so that eccentric shaft 611 be driven to rotate.

In present embodiment, crank 613a is adjusted by threaded fastener (not labeled) and is pressed on the concentric of eccentric shaft 611 In section 6111.It is appreciated that in other implementations, adjust crank 613a can also by the way that riveting, glue is solid etc. modes are solid It is scheduled in the concentric segments 6111 of eccentric shaft 611.

In present embodiment, adjusts crank 613a and be fixed on by the way of screw in compression on eccentric shaft 611.It can manage Solution, adjusting crank 613a can also use the other modes such as the solid, riveting of glue to be fixed on eccentric shaft 611, as long as adjusting crank 613a can be firmly secured on eccentric shaft 611.

In the present embodiment, it adjusts to be also provided on crank 613a and (not marked for the through-hole of compounding practice component 62a Number), which is used to be embedded in for the part-structure of operating assembly 62a, to realize operating assembly 62a part-structure and adjust bent Being fixed to each other between handle 613a.

It adjusts crank 613a to rotate under the operation control of operating assembly 62a, and eccentric shaft 611 is driven to rotate；Eccentric shaft 611 rotation will drive 612 actuation of adjusting slider with the rotation connection of the eccentric segment 6112 of eccentric shaft 611, adjusting slider 612 again Actuation be decomposed into the sliding along 41 length direction of feed dog frame and the raising or decline in vertical direction in sliding groove 418, One end that the raising or decline of adjusting slider 612 will drive feed dog frame 41 increases or decline, to change feed dog frame 41 Inclination angle and height.

In second embodiment of overedger 100, adjusting in component 61a further includes the first axle sleeve 614a, first axle Set 614a is set in the concentric segments 6111 of eccentric shaft 611 and fixes on the housing 10, and the first axle sleeve 614a is for carrying bias Axis 611 provides the stable rotation environment of eccentric shaft 611.First axle sleeve 614a have many advantages, such as it is anticorrosive, at low cost, it is more suitable The work condition environment preferably to slowly run.

Further, the first axle sleeve 614a is copper sheathing.It is appreciated that in other implementations, casing can also be adopted It is made of other materials apart from copper；Under the working condition requirement for not considering cost and slowly running, the first axle sleeve 614a Rolling bearing can be used.

In second embodiment of overedger 100, operating assembly 62a is set to shell 10 perpendicular to feed dog frame On the side of 41 length directions, so set, can operate convenient for operator, operator can be real without opening lid It is easy to adjust quick now to the adjusting at feed dog frame 41 inclination angle and height, improve processing efficiency.

Certainly, in other implementations, operating assembly 62a also can be set in the other positions of shell 10, only It wants operating assembly 62a that can drive under the operation of operator and adjusts inclination angle and height that component 61a adjusts feed dog frame 41 ?.

In second embodiment of overedger 100, control element 621 is control-rod 6212, and control-rod 6212 can It is rotated relative to transmission component 622, amount of spin of the operator by control-rod 621 with respect to transmission component 622 adjusts feed dog frame The size at 41 inclination angles.

In second embodiment of overedger 100, transmission component 622 transmits control-rod in such a way that pin is driven 6212 amount of spin,

Transmission component 622 includes connecting pin 6221a, driving crank 6222a, guide part 6223a and sliding block 6224a, transmission One end of crank 6222a is rotationally connected with connecting pin 6221a, and the other end is rotationally connected with sliding block 6224a, and sliding block 6224a is embedded Counter-guide 6223a is slided on guide part 6223a and under the guiding role of guide part 6223a, and transmission component 622a is logical It crosses connecting pin 6221a and drives driving crank 6222a rotation, driven using the rotation connection of driving crank 6222a and sliding block 6224a Crank 613a rotation is adjusted, and adjusts the part fortune of crank 613a by sliding release of the sliding block 6224a on guide part 6223a Dynamic component transmits the power of 6212 amount of spin of control-rod to realize.

In second embodiment of overedger 100, in order to further increase the operation convenience of operator, operation Component 62a further includes locking plate 623a, and locking plate 623a is installed in shell 10 perpendicular to the side of 41 length direction of feed dog frame On, the sliding slot 6231a slided for control element 621 is offered on locking plate 623a, control element 621 is on sliding slot 6231a Sliding can be improved operator to the stability of 621 own slip of operation convenience and control element of control element 621, It improves and adjusts efficiency.

Further, status indicator 6232a is additionally provided on locking plate 623a, status indicator 6232a is for guiding operation The operation of personnel, and inform the current adjustment state of operator.Status indicator 6232a can guide behaviour using direction arrow Make the manual operations of personnel, current adjustment state can also be identified such as " height ", " size " using text.Certainly, state Identifying 6232a can be by dial etc. in a manner of using the other identifier in addition to arrow and text, to characterize current adjusting shape State.

Further, it is additionally provided on locking plate 623a and is fixedly connected on control element 621 far from 6221 one end of connecting pin Locking nut 6233a, locking nut 6233a is fixedly connected on control element 621 and limits control element 621 in vertical sliding slot Movement on 6231a extending direction.Locking nut 6233a can be sliding in sliding slot 6231a under the directly operation of operator Dynamic, locking nut 6233a avoids operator from needing directly to move elongated rod-shaped for directly contacting manually for operator The operation to control element 621 just may be implemented in control element 621, further improves the convenience of operation.

In second embodiment of overedger 100, transmission component 622 further includes that be embedded at connecting pin 6221a separate Driving crank 6222a can be fixed on the side of shell 10 by the fixing piece 6227a of the one end control element 621a, fixing piece 6227a Face position realizes connecting pin 6221a, driving crank 6222a in axial limit.

In the feed dog frame regulating mechanism 60 that 100 second embodiments of this overedger provide, control element 621 is using control The element that bar 6212 processed is directly operated as operator, control-rod 6212 can be realized the manual direct operation of operator, In operability relatively preferably, while it is low in cost, it can satisfy demand of the market to low cost products.

In other implementations, operating assembly is also provided on shell 10 and exposed by the notch on lid, So set, operating assembly is enabled to expose on the housing 10, can be operated convenient for operator, operator is without opening Lid can be realized as the adjusting to feed dog frame 41 inclination angle and height, easy to adjust quick, improve processing efficiency.

In the present embodiment, control-rod 6212 is to drive eccentric shaft 611 to rotate by transmission component 622.It can manage Solution, in other implementations, control-rod 6212, which can also be installed, to be parallel in the housing 10 on the side of feed dog frame 41, The rotation of control-rod 6212 at this time can directly drive eccentric shaft 611 to rotate, between the two can be by the way of being mutually embedded Transmission, transmission component 622 at this time can be omitted, and adjust in component 61a and set to realize the interconnection with transmission component 622 The adjusting crank 613a set also can be omitted.

In other implementations, using the control element of manual manipulation mode 621 can also using knob etc. other Type, inclining as long as the control element 621 of the manual manipulation mode can adjust feed dog frame 41 according to the amount of spin of itself Angle and height.

It needs to stress, two embodiments provided by the invention can be combined with each other, such as the setting of operating assembly Position, specific kind of drive of drive mechanism etc. can be replaced mutually, as long as the replacement of two embodiments does not influence feed dog frame Realization of the regulating mechanism 60 to feed dog frame 41 inclination angle and height adjustment.

It is emphasized that above 100 structure of overedger to application feed dog frame adjusting method provided by the invention Description is not intended to limit feed dog frame adjusting side provided by the invention just to indicate that the present invention has the basis that can be applied Method is only applicable to the overedger 100 of foregoing description.The detailed process of feed dog frame adjusting method is described again below.

Figure 18 is please referred to, Figure 18 is the flow diagram of feed dog frame adjusting method in one embodiment of the present invention.

The feed dog frame adjusting method is applied on an overedger, and the overedger includes operating assembly and adjusting group Part, the adjusting component include adjusting slider and eccentric shaft, and the feed dog frame adjusting method includes:

Step S10 manipulates the operating assembly and drives the eccentric shaft turns.Specifically, operator passes through to institute The Job Operations for stating operating assembly drive the eccentric shaft turns being connected with the operating assembly；Operating assembly can use The mode of rotation transmission drives the eccentric shaft turns, can also pass through the straight line of operating assembly by the way of Linear transmission Stroke drives the eccentric shaft turns.

Step S20 drives the relatively described eccentric shaft of the adjusting slider to move using the rotation of the eccentric shaft.Specifically Ground, the eccentric segment that the eccentric shaft has concentric segments and is connected with the concentric segments, the adjusting slider are set in described inclined On the eccentric segment of mandrel, rotation of the eccentric shaft around concentric segments center will drive the eccentric shaft revolution, and because institute It states adjusting slider to be embedded on the feed dog frame, therefore to will drive the adjusting slider relatively described for the rotation of the eccentric shaft Eccentric shaft actuation.

Step S30, using the adjusting slider in the sliding on the feed dog frame and at described feed dog frame one end Raising or decline, adjust inclination angle and the height of the feed dog frame.Specifically, the adjusting slider is embedded in the feed dog In the sliding groove opened up on frame, the actuation of the relatively described eccentric shaft of the adjusting slider be decomposed into the sliding along sliding groove with And the raising or decline of vertical sliding motion slot, the raising or decline of the adjusting slider drive one end of the feed dog frame to increase again Or decline, to realize the adjusting to the feed dog frame inclination angle and height.

The present invention changes the height of the feed dog frame at one end by the way that the operating assembly and the adjusting component is arranged Degree, to change inclination angle and the height of the entire feed dog frame, adjusting while can be realized inclination angle and height.

In first embodiment of the invention, step S10 includes the following steps S11.

Step S11: the control element for manipulating the operating assembly rotates and drives the eccentric shaft turns.Specifically, institute Stating operating assembly includes control element, and the control element is connected to the adjusting component, and operator is by operating the control Element rotation processed, to drive the eccentric shaft turns, the operating assembly adjusts institute by the amount of spin transmitting of control element State inclination angle and the height of feed dog frame.

Therefore in first embodiment of the invention, the feed dog frame adjusting method includes:

Step S11: the control element for manipulating the operating assembly rotates and drives the eccentric shaft turns；

Step S20: the relatively described eccentric shaft of the adjusting slider is driven to move using the rotation of the eccentric shaft；

Step S30: using the adjusting slider in the sliding on the feed dog frame and at described feed dog frame one end Raising or decline, adjust inclination angle and the height of the feed dog frame.

In first embodiment of the invention, the drive to eccentric shaft turns is realized by setting control element.Benefit With the amount of spin of the amount of spin control eccentric shaft of control element, not only adjust accurate but also easily controllable.

In second embodiment of the invention, the control element is electric control element, and step S11 includes the following steps S12。

Step S12: it operates the electric control element and drives the eccentric shaft turns in a manner of Electronic control.

Specifically, the electric control element can be realized Electronic control, can rotate under the mode of Electronic control, operation Personnel can be directly inputted using power button, operation panel or control and regulation amount, and it is very convenient to operate.

In second embodiment of the invention, the electric control element is motor.It is appreciated that in other embodiment party In formula, the electric control element can also be the Electronic control element of the other modes in addition to motor.

Therefore in second embodiment of the invention, the feed dog frame adjusting method includes:

Step S12: it manipulates the electric control element and drives the eccentric shaft turns in a manner of Electronic control；

Step S20: the relatively described eccentric shaft of the adjusting slider is driven to move using the rotation of the eccentric shaft；

Step S30: using the adjusting slider in the sliding on the feed dog frame and at described feed dog frame one end Raising or decline, adjust inclination angle and the height of the feed dog frame.

In second embodiment of the invention, operator can electric control element in a manner of Electronic control tune The rotation of the eccentric shaft is saved, quick and convenient, precision also opposite raising is adjusted.

In third embodiment of the invention, the control element is control-rod, and step S11 includes the following steps S13。

Step S13: it manipulates the control-rod and drives the eccentric shaft turns in a manner of being manually operated.Specifically, described One end of control-rod is connected to the eccentric shaft, and the control-rod can pull lower swing in operator, to drive inclined Central axis.

Therefore in third embodiment of the invention, the feed dog frame adjusting method includes:

Step S13: it manipulates the control-rod and drives the eccentric shaft turns in a manner of being manually operated；

Step S20: the relatively described eccentric shaft of the adjusting slider is driven to move using the rotation of the eccentric shaft；

Step S30: using the adjusting slider in the sliding on the feed dog frame and at described feed dog frame one end Raising or decline, adjust inclination angle and the height of the feed dog frame.

In third embodiment of the invention, the control-rod can under the pulling of operator with respect to itself Connecting pin rotation, to drive eccentric shaft turns, the element that the control-rod is directly operated as operator can be directly Realize manual operation, in operability relatively preferably, and meanwhile it is low in cost, it can satisfy demand of the market to low cost products.

In the 4th embodiment of the invention, step S11 further includes following steps S14.

Step S14: it manipulates the control element and is transferred to the rotation of itself on the eccentric shaft simultaneously by transmission component Drive the eccentric shaft turns.Specifically, the transmission component is set between the eccentric shaft and the control element, described Control element transmits the amount of spin of itself using transmission component.

Therefore in the 4th embodiment of the invention, the feed dog frame adjusting method includes:

Step S14: it manipulates the control element and is transferred to the rotation of itself on the eccentric shaft simultaneously by transmission component Drive the eccentric shaft turns.

Step S20: the relatively described eccentric shaft of the adjusting slider is driven to move using the rotation of the eccentric shaft；

Step S30: using the adjusting slider in the sliding on the feed dog frame and at described feed dog frame one end Raising or decline, adjust inclination angle and the height of the feed dog frame.

In the 4th embodiment of the invention, by the way that transmission component is arranged, the power under various working can satisfy Delivery request, feed dog frame adjustment process it is more adaptable.

In the 5th embodiment of the invention, step S14 further includes following steps S141.

Step S141: the control element is manipulated by worm gear and the transmitting of the power of worm screw, the rotation of itself is transferred to institute It states on eccentric shaft and drives the eccentric shaft turns.The transmission component includes worm gear and worm screw, and the worm screw is set in institute It states on the output shaft of electric control element, the worm gear is set in the concentric segments of the eccentric shaft, phase between the worm gear and worm screw It mutually engages and rotation can be transmitted.

Certainly, in other implementations, the transmission component can also pass through V belt translation, chain drive, double leval jib The other modes such as transmission realize that the rotation to eccentric shaft is adjusted.

Therefore in the 5th embodiment of the invention, the feed dog frame adjusting method includes:

Step S141: the control element is manipulated by worm gear and the transmitting of the power of worm screw, the rotation of itself is transferred to institute It states on eccentric shaft and drives the eccentric shaft turns.

Step S20: the relatively described eccentric shaft of the adjusting slider is driven to move using the rotation of the eccentric shaft；

Step S30: using the adjusting slider in the sliding on the feed dog frame and at described feed dog frame one end Raising or decline, adjust inclination angle and the height of the feed dog frame.

In the 5th embodiment of the invention, the transmission component transmits concurrent aces by the way of worm and gear Amount of spin can not only prevent from inverting, can also realize accurate adjusting.

In the 6th embodiment of the invention, step S12 includes the following steps S121 and step S122.

Step S121: the thickness of the Thickness sensitivity module detection cloth；

Step S122: the electric control element drives described inclined according to the fabric thickness that the Thickness sensitivity module detects Central axis corresponding angle.

Specifically, the overedger further includes Thickness sensitivity module, and the Thickness sensitivity module is able to detect the thickness of cloth Degree, the electric control element is according to the corresponding amount of spin for adjusting eccentric shaft of fabric thickness that detection obtains, thus in real time and automatically Realize adjustment process.

In present embodiment, the Thickness sensitivity module includes Hall element and magnetic part, the Thickness sensitivity module The thickness for detecting cloth indirectly by hall principle, by Hall effect detect cloth thickness, not only in cost have compared with Big advantage, anti-interference ability also with higher can adapt to complicated production environment.

Certainly, in other implementations, the Thickness sensitivity module can also be by ultrasonic distance sensor, red The modes such as outer range sensor, optical distance sensor, pressure sensor come realize to fabric thickness it is direct measurement or Connect measurement.

Therefore in the 6th embodiment of the invention, the feed dog frame adjusting method includes:

Step S121: the thickness of the Thickness sensitivity module detection cloth；

Step S122: the electric control element drives described inclined according to the fabric thickness that the Thickness sensitivity module detects Central axis corresponding angle.

Step S20: the relatively described eccentric shaft of the adjusting slider is driven to move using the rotation of the eccentric shaft；

Step S30: using the adjusting slider in the sliding on the feed dog frame and at described feed dog frame one end Raising or decline, adjust inclination angle and the height of the feed dog frame.

The present invention is changed the feed dog frame and is existed by being rotatably assorted between the eccentric shaft and the adjusting slider The height of one end, adjusting while can be realized inclination angle and height, overedger using this method is to can automatically adapt to The cloth of different-thickness, 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 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 (10)

1. a kind of feed dog frame adjusting method, the feed dog frame adjusting method is applied on an overedger, the feed dog frame Adjusting method is for adjusting the inclination angle of feed dog frame and height in the overedger, which is characterized in that the overedger includes behaviour Make component and adjust component, the adjusting component includes eccentric shaft and adjusting slider, and the eccentric shaft wears the adjusting slider And it is connected to the operating assembly, the adjusting slider is embedded on the feed dog frame, the feed dog frame adjusting method packet It includes:

It manipulates the operating assembly and drives the eccentric shaft turns；

The relatively described eccentric shaft of the adjusting slider is driven to move using the rotation of the eccentric shaft；

Using the adjusting slider in the sliding on the feed dog frame and the raising or decline at described feed dog frame one end, Adjust inclination angle and the height of the feed dog frame.

2. feed dog frame adjusting method as described in claim 1, which is characterized in that the operating assembly includes control element, The control element is connected to the eccentric shaft, and the control element of the manipulation operating assembly rotates and drives the bias Axis rotate the step of include:

The control element for manipulating the operating assembly rotates and drives the eccentric shaft turns.

3. feed dog frame adjusting method as claimed in claim 2, which is characterized in that the control element is electric control element, institute It states and manipulates the control element of the operating assembly and rotate and include: the step of driving the eccentric shaft turns

It manipulates the electric control element and drives the eccentric shaft turns in a manner of Electronic control.

4. feed dog frame adjusting method as claimed in claim 3, which is characterized in that the electric control element is motor.

5. feed dog frame adjusting method as claimed in claim 3, which is characterized in that the overedger further includes Thickness sensitivity mould Block, the Thickness sensitivity module are used to detect the thickness of cloth, manipulation electric control element band in a manner of Electronic control The step of moving the eccentric shaft turns include:

The thickness of the Thickness sensitivity module detection cloth；

The electric control element drives the eccentric shaft turns corresponding according to the fabric thickness that the Thickness sensitivity module detects Angle.

6. feed dog frame adjusting method as claimed in claim 5, which is characterized in that the Thickness sensitivity module includes Hall member Part and magnetic part, the Hall element and magnetic part phase interworking are suitable, and the Thickness sensitivity module detects cloth by hall principle Thickness.

7. feed dog frame adjusting method as claimed in claim 5, which is characterized in that the Thickness sensitivity module includes ultrasonic wave At least one of range sensor, infrared distance sensor, optical distance sensor, pressure sensor.

8. feed dog frame adjusting method as claimed in claim 2, which is characterized in that the control element is control-rod, described The control element for manipulating the operating assembly rotates and includes: the step of driving the eccentric shaft turns

It manipulates the control-rod and drives the eccentric shaft turns in a manner of being manually operated.

9. feed dog frame adjusting method as claimed in claim 2, which is characterized in that the operating assembly further includes transmission group Part, the transmission component are arranged between the operating assembly and the eccentric shaft, the control member of the manipulation operating assembly Part rotates and includes: the step of driving the eccentric shaft turns

The control element is manipulated the rotation of itself is transferred on the eccentric shaft by transmission component and drives the bias Axis rotation.

10. feed dog frame adjusting method as claimed in claim 9, which is characterized in that the transmission component includes worm gear and snail Bar, the worm gear and worm screw are intermeshed, and the rotation of itself is transferred to by the manipulation control element by transmission component Include: on the eccentric shaft and the step of driving the eccentric shaft turns

It manipulates the control element and is transferred to the rotation of itself on the eccentric shaft simultaneously by worm gear and the transmitting of the power of worm screw Drive the eccentric shaft turns.