CN109629125A - Foot pressure and retainer inclination angle synchronous adjusting method based on overedger - Google Patents

Abstract

The present invention relates to a kind of foot pressures based on overedger and retainer inclination angle synchronous adjusting method, comprising: real-time detection cloth is thick during work feed；It is thick according to the cloth, retainer inclination angle is accordingly adjusted by feed dog frame regulating mechanism；Operating pressure is calculated according to the cloth thickness, and foot pressure is automatically adjusted by foot pressure regulating mechanism.Foot pressure of the present invention based on overedger and retainer inclination angle synchronous adjusting method, different-thickness fabric can be matched, sew overedger when fabric is crossed thicker than stalk smooth, the phenomenon that improving uneven stitching, fabric fold, is simultaneously, sewing quality improves, the capability improving of machine system flexible manufacturing, is with a wide range of applications.

Description

Foot pressure and retainer inclination angle synchronous adjusting method based on overedger

Technical field

The present invention relates to stitching process fields, more particularly to a kind of same based on the foot pressure of overedger and retainer inclination angle Walk adjusting method.

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 is constantly jacked up and pulled by feed dog frame Cloth on needle plate, to cloth to be processed constantly be hauled to head, to complete entire feeding process.But mesh Preceding overedger is only capable of processing the cloth of specific thicknesses, can lead because of the deficiency of feed dog frame mop power in the thick material of sewing It causes cloth layering or stitching overstocked, stitching fold can be led to because feeding is excessive again when sewing thin material.In sewing cloth In the process, the lower surface of cloth is in contact with feed dog frame, and the lower surface of cloth is in contact with presser feet, feed dog frame and presser feet Common cooperation work feed, and the foot pressure regulating mechanism of existing overedger is usually to pass through elasticity possessed by pressure spring, to adapt to Presser feet being raised and reducing, and generating pressure enables presser feet to compress cloth, is conducive to sewing.Due to pressure spring extend or shorten When elastic force it is different, when sewing fabric is by Bao Bianhou or stalk seam occurs, foot pressure increase causes sewing fabric to pass through It is unsmooth, there is Caton phenomenon, sewing machine is made the problems such as stifled line, fabric fold, stitching is uneven occur.

Therefore, overedger can not adapt to the cloth of different thickness degree, restrict the development and application of overedger, especially exist It is poor quality or the case where scrap usually to occur quilt when the case where sewing some fabric uneven gauges.

Summary of the invention

Based on this, it is necessary to the technical issues of cloth of different thickness degree can not be adapted to for overedger, provide one kind Foot pressure and retainer inclination angle synchronous adjusting method based on overedger.

In order to achieve the above objectives, present invention employs following technical proposals: a kind of foot pressure and tooth based on overedger Frame inclination angle synchronous adjusting method, comprising the following steps: include:

Real-time detection cloth is thick during work feed；

It is thick according to the cloth, retainer inclination angle is accordingly adjusted by feed dog frame regulating mechanism；

Operating pressure is calculated according to the cloth thickness, and foot pressure is automatically adjusted by foot pressure regulating mechanism.

It is surveyed before cloth thickness in one of the embodiments, further include:

Default initial pressure；

Manually adjust the height of manual adjustment, until pressure between presser feet and needle plate meet it is default；

The feed dog of presser feet and retainer, which cooperates, carries out work feed.

The foot pressure regulating mechanism includes: in one of the embodiments,

Force-applying piece, for automatically adjusting foot pressure；

The driving mechanism for driving the force-applying piece to be axially moved along it；

What is be flexibly connected with the force-applying piece is used to manually adjust the manual adjustment of foot pressure；

Keep the locking piece of relative position between the manual adjustment and the force-applying piece；

Act on the elastic conducting power part between the manual adjustment and presser feet.

The driving mechanism is stepper motor in one of the embodiments, is passed through between the stepper motor and force-applying piece Transmission mechanism linkage, the transmission mechanism include:

Geared worm is connected in the output shaft of the stepper motor,

Transmission arm, the transmission arm are swung around a fixed axis, and one end of the transmission arm has and the geared worm phase The other end of the driving cog of engagement, the transmission arm is connected with force-applying piece.

The feed dog frame regulating mechanism includes operating assembly and adjusting component, the tune in one of the embodiments, Saving component includes eccentric shaft and adjusting slider, and the eccentric shaft wears the adjusting slider and is connected to the operating assembly, institute Adjusting slider is stated to be embedded on the feed dog frame；

It is described retainer inclination angle is accordingly adjusted by feed dog frame regulating mechanism to include:

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.

The operating assembly includes control element in one of the embodiments, and the control element is connected to described inclined The control element of mandrel, the manipulation 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.

The operating assembly further includes transmission component in one of the embodiments, and the behaviour is arranged in the transmission component Make between component and the eccentric shaft, the control element of the manipulation operating assembly rotates and the eccentric shaft is driven to turn Dynamic step 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.

The operating assembly further includes transmission component in one of the embodiments, and the behaviour is arranged in the transmission component Make between component and the eccentric shaft, the control element of the manipulation operating assembly rotates and the eccentric shaft is driven to turn Dynamic step 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.

The overedger further includes Thickness sensitivity module in one of the embodiments, and the Thickness sensitivity module is used for Detect the thickness of cloth；

The stepper motor drives the force-applying piece to increase according to the fabric thickness that the Thickness sensitivity module detects Or decline corresponding position；

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

The Thickness sensitivity module includes Hall element and magnetic part, the Hall element in one of the embodiments, And magnetic part phase interworking is suitable, the Thickness sensitivity module detects the thickness of cloth by hall principle.

A kind of foot pressure based on overedger provided by the invention and retainer inclination angle synchronous adjusting method, on the one hand can Inclination angle and the height for enough adjusting the feed dog frame enable the feed dog frame to be changed according to the thickness degree of different clothes Become the feed dog on the other hand the pressure of pressure foot and needle plate is adjusted in real time in sewing process to the feeding state of cloth Power cooperates jointly with feed dog frame to match different-thickness fabric and facilitates work feed.

Using the overedger of above-mentioned foot pressure and the synchronous adjusting method at retainer inclination angle, make sewing machine when crossing thicker than stalk Smoothly smooth, the phenomenon that it is uneven to improve stitching, fabric fold, sewing quality improves, and the ability of machine system flexible manufacturing mentions It rises, is with a wide range of applications.

Detailed description of the invention

Fig. 1 is the overseam using the foot pressure provided by the invention based on overedger and retainer inclination angle synchronous adjusting method Structural schematic diagram of the machine after clipped structure；

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 another structural schematic diagram after overedger clipped structure provided by the invention；

Figure 17 is the main view of Fig. 1；

Figure 18 is that the foot pressure regulating mechanism in Figure 19 has the schematic perspective view that compression bar covers；

Figure 19 is the structural schematic diagram in the foot pressure regulating mechanism in Figure 19 not with compression bar set；

Figure 20 is the partial structure diagram of the foot pressure regulating mechanism of Figure 18；

Figure 21 is the configuration schematic diagram of Figure 20；

Figure 22 is the structural schematic diagram of the transmission arm in Figure 20；

Figure 23 is the foot pressure and retainer inclination angle synchronous adjusting method in one embodiment of the present invention based on overedger Flow diagram.

Label declaration:

100, overedger；10, shell；11, spindle hole；12, working space；13, needle plate；131, working face；20, main Axis；21, gearratio of cycloid axle formation；30, presser foot device；31, presser feet axis；32, presser feet arm；33, presser feet bracket；34, pressure foot；40, work feed Mechanism；41, feed dog frame；411, active feed dog frame；412, differential cloth-feeding retainer；413, feed dog；4131, active tooth； 4132, differential tooth；414, oil baffle；415, guide rail；416, adjutage；417, sliding slot；418, sliding groove；42, the first transmission group Part；421, sliding block is driven vertically；422, eccentric wheel；423, feeding connecting rod；424, eccentric cam；43, the second transmission component； 431, cloth pushing shaft；432, differential cloth feeding crank；433, link block；434, cover board；435, sliding block is laterally driven；44, third is driven Component；441, active cloth feeding crank；442, connecting rod；443, connecting rod set；50, differential amount regulating mechanism；51, adjusting rod；52, poor Dynamic crank；521, fixing axle；522, axial screw；53, it is differential in flakes；54, adjusting panel；541, regulating part；60, feed dog Frame regulating mechanism；61, component is adjusted；611, eccentric shaft；6111, concentric segments；6112, eccentric segment；612, adjusting slider；613, Axle sleeve；614, the first retaining ring；615, the second retaining ring；62, operating assembly；621, control element；6211, electric control element；622, it passes Dynamic component；6221, worm screw；6222, worm gear；623, fixing seat；70, foot pressure regulating mechanism；71, connector；711, stress Protrusion；72, presser feet raising wire；73, force-applying piece；731, connection handle；74, driving mechanism；741, stepper motor；7411, it exports Axis；742, Hall detection apparatus；75, transmission mechanism；751, geared worm；752, transmission arm；7521, driving cog；7522, item Shape hole；7523, accommodation groove；753, fixed pin shaft；754, pin shaft；76, manual adjustment；761, limited step；77, locking piece； 78, elastic conducting power part；79, compression bar set；791, upperpush rod set；7911, the first opening；792, intermediate sleeve；793, down-pressed pole Set；7931, the second opening.

Following specific embodiment will further illustrate the present invention in conjunction with attached drawing.

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 it is all its His embodiment, shall fall within the protection scope of the present invention.

It should be noted that it can be directly on another component when component is referred to as " being installed in " another component Or there may also be components placed in the middle.When a component is considered as " being set to " another component, it, which can be, is directly set Set on another component or may be simultaneously present component placed in the middle.When a component is considered as " being fixed on " another group Part, 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 describe The purpose of specific embodiment, it is not intended that in the limitation present invention.Term as used herein " and/or " it include one or more Any and all combinations of a relevant listed item.

The present invention provides a kind of foot pressure based on overedger and retainer inclination angle synchronous adjusting method, please refer to Fig. 1 and Fig. 3, Fig. 1 are to show using structure of the overedger 100 of feed dog frame adjusting method provided by the invention after clipped structure It is intended to, Fig. 2 is that overedger 100 shown in Fig. 1 omits the structural schematic diagram after shell 10, and Fig. 3 is the decomposition of overedger 100 shown in Fig. 2 Schematic diagram.Overedger 100 is mainly used for the lock seaming sewing of textile, 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 and cloth feeding mechanism 40 are relatively simultaneously It is arranged close to head.

For shell 10 for carrying main shaft 20, presser foot device 30, cloth feeding mechanism 40 and head, main shaft 20 is connected to power source (not shown), and presser foot device 30, cloth feeding mechanism 40 and head operating, presser foot device can be driven under the driving of power source 30 for pressing the cloth of the transport of cloth feeding mechanism 40 to improve the quality and quality of sewing processing, and cloth feeding mechanism 40 is for transporting Cloth to be processed, head, which is used to sew, processes the cloth that the conveying of cloth feeding mechanism 40 comes.Cloth feeding mechanism 40 is driven by main shaft 20 Reciprocally transport cloth, then by the tensioning cloth appropriate of presser foot device 30, head can be in good tensioning state Cloth carries out sewing processing, to complete the sewing-serging process of overedger 100.

Certainly, in addition to the above-mentioned shell 10 referred to, main shaft 20, presser foot device 30, cloth feeding mechanism 40 and head, overedger The auxiliary bodies such as Guo Xian mechanism, lubricating structure can be also set in 100 to realize smoothly completing for overedger sewing process, herein It does not repeat.

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 of sewing and lock seaming operation 131, the reciprocally elliptic motion in working space 12 of cloth feeding mechanism 40, thus constantly rise up into working face 131 top or Person falls into the lower section of working face 131, and the uphill process of cloth feeding mechanism 40 can drag cloth, and decline process can reset certainly The position of body, 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 is adjusted Mechanism 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 behaviour Make mouth exposing, when lid " locked in " operation mouth, the part regulating mechanism is also closed in the shell 10.So.Work as overseam When machine 100 needs to carry out parameter regulation, operator can overturn and open lid, so that internal parameter regulation group Part is exposed, and operator can be adjusted by exposed adjusting component.Lid is by the part regulating mechanism of overedger 100 It is isolated with external environment, 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. Main shaft 20 has central axis X, and main shaft 20 can be rotated around the central axis X of itself, and the position of central axis X is with respect to shell 10 fixations namely main shaft 20 do 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 presser feet bracket 33 foot arm 32 Rotation.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 It is used to support presser feet bracket 33；Presser feet bracket 33 is used to support pressure foot 34.Rotation and pressure foot 34 by presser feet axis 31 Relative to 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) inside crank gearing control Actuation, so that eedle is done regularly, linear motion, looper do regularly reciprocally swinging up and down, and head passes through eedle and looper Stitching is complemented each other to form, 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, the Two transmission components 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, First transmission component 42 being capable of being rotated by drive active feed dog frame 411 and differential cloth-feeding retainer in main shaft 20 412 linear reciprocating motions in a first direction；Second transmission component 43 is set to the first transmission component 42 and differential cloth-feeding retainer Between 412, the second transmission component 43 can drive differential cloth-feeding retainer 412 second under the drive of the first transmission component 42 Linear reciprocating motion on direction；Third transmission component 44 is set between the second transmission component 43 and active feed dog frame 411, Third transmission component 44 can drive active feed dog frame 411 reciprocal in a second direction under the drive of the second transmission component 43 Linear motion.

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 Direction can need to be correspondingly arranged according to actual production.

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 Reciprocal 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 it is relatively large in lateral up stroke, up stroke is relatively small in a first direction, active feed dog frame 411 Reciprocally elliptic motion is spatially shown as with differential cloth-feeding retainer 412.

Active feed dog frame 411 and movement of the differential cloth-feeding retainer 412 after being higher by working face 131 can drag cloth Material, the movement after falling into working face 131 can reset the dragging position of itself, active feed dog frame 411 and differential cloth-feeding tooth The reciprocal elliptic motion of frame 412 can be matched with the actuation of head, and active feed dog frame 411 will with differential cloth-feeding retainer 412 Cloth is delivered in head, head after active feed dog frame 411 and 412 feeding of differential cloth-feeding retainer to current cloth section into Row sewing processing, feed dog frame 41 are further continued for dragging next length of cloth, be followed with this after head is to current cloth completion of processing Ring simultaneously realizes 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 It is 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 utilizes It mutually supports with pressure foot 34 with the movement on first direction and compresses cloth, and dragged using the movement in second direction Cloth.Feed dog 413 includes the active tooth 4131 being set on active feed dog frame 411 and is set to differential cloth-feeding retainer Differential tooth 4132 on 412 is provided with the active tooth 4131 for dragging cloth, active tooth 4131 on active feed dog frame 411 Increase the drawing force to cloth with jagged surface；The difference for dragging cloth is provided on differential cloth-feeding retainer 412 Dynamic tooth 4132, differential tooth 4132 are also equipped with jagged surface to increase the drawing force to cloth.Active tooth 4131 with it is differential Setting is spaced apart from each other between tooth 4132, the gap between active tooth 4131 and differential tooth 4132 is used to provide the head on head Processing space, head on head can be to tooth 4131 be had the initiative and the cloth in differential 4132 gap of tooth is processed, thus complete At 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, main It can also be moved synchronously between dynamic 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, Be additionally provided on shell 10 oil baffle 414 for cooperating active feed dog frame 411 and differential cloth-feeding retainer 412 to move and Guide 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 poor The smooth movement of dynamic feed dog frame 412, the aperture of 414 centre bore of oil baffle and active feed dog frame 411 and differential cloth-feeding retainer 412 size and movement need to form matching.The two sides of oil baffle 414 and active feed dog frame 411 and differential cloth-feeding retainer The corresponding contact in 412 sides, the side of oil baffle 414, which can scrape, wipes on active feed dog frame 411 and differential cloth-feeding retainer 412 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 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 Cross oil, not only can in order to infiltration of the lubricating oil on feed dog frame 41, it is also possible that active feed dog frame 411 with it is differential 412 lightweight of feed dog frame facilitates the weight for reducing by 100 complete machine of overedger.

One end and differential cloth-feeding retainer 412 on active feed dog frame 411 far from active tooth 4131 is far from differential tooth 4132 one end extends outwardly and forms two parallel adjutages 416, forms edge between two parallel adjutages 416 The sliding groove 418 that 41 length direction of feed dog frame extends, the adjutage 416 that setting two is parallel to each other are used for for feed dog frame 41 Adjust 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 Feed dog frame 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 Being fixed to each other between 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.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 master The kinetic energy of axis 20 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 Feeding 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 It at the center sliding slot of " mouth " 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 The rotation meeting of line is so that gearratio of cycloid axle formation 21 does eccentric rotary, also with regard to driving the vertical driving sliding block being set in gearratio of cycloid axle formation 21 421 make the parallel moving of circumferencial direction.At the sliding slot opened up inside feed dog frame 41 due to driving sliding block 421 to be arranged in vertically, Sliding block 421 can the sliding slot reciprocatingly slides in the guidance lower edge of the sliding slot for vertical driving, also with regard to vertical driving sliding block 421 in side The movement in direction 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 in first party It reciprocally moves along a straight line upwards, to realize the process that main shaft 20 drives feed dog frame 41 to move back and forth along first direction.

Eccentric wheel 422 and feeding connecting rod 423 are sequentially set on main shaft 20,423 phase of eccentric wheel 422 and feeding connecting rod Mutually cooperation, for drive the second transmission component 43 movement, thus for the second transmission component 43 drive active feed dog frame 411 with Linear reciprocating motion of the differential cloth-feeding retainer 412 on lateral provides power resources.Eccentric wheel 422 is fixed on main shaft 20 simultaneously It can be rotated under the drive of main shaft 20；One end of feeding connecting rod 423 is set on eccentric wheel 422 and rotates with eccentric wheel 422 Connection, the other end are connected at the second transmission component 43.Eccentric wheel 422 is set in the d-axis section of main shaft 20, due to eccentric wheel 422 eccentric setting, main shaft 20 show as eccentric moving of the eccentric wheel 422 around main shaft 20 to its rotate driving；Again due to sending Material connecting rod 423 is set on eccentric wheel 422, and eccentric wheel 422 shows as feeding connecting rod 423 to the driving effect of feeding connecting rod 423 Turnover campaign, eccentric wheel 422 and feeding connecting rod 423 form a crank and rocker mechanism, to drive the second transmission component 43 past Multiple swing.

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 422 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 by the axle sleeve It is rotated under the carrying of shell 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 company It connects block 433, cover board 434 and laterally drives sliding block 435 and also do 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 cunning along the chute Linear reciprocating motion of the block 435 on vertical 417 extending direction of sliding slot is arranged due to laterally driving sliding block 435 in differential cloth-feeding On retainer 412, then laterally drive linear reciprocating motion of the sliding block 435 on vertical 417 extending direction of sliding slot will drive it is differential Feed dog frame 412 goes up linear reciprocating motion in the lateral of vertical first direction, to realize that the second transmission component 43 is passed first Dynamic 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, even One end of bar 442 is embedded in for the connector (not labeled) being arranged on active cloth feeding crank 441, and the other end is embedding for connecting rod set 443 Enter, connecting rod set 443 wears one end of connecting rod 442 and is fixed on active feed dog frame 411, to realize third transmission group The interconnection of part 44 and 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 is discharged component motion in a first direction by connecting rod 442, makes winner in connecting rod 442, active cloth feeding crank 441 Lateral movement can be only transferred to active feed dog frame 411 by resultant motion of the dynamic cloth feeding crank 441 on vertical and lateral Place.

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 It is additionally provided with differential amount regulating mechanism 50 in 100, differential amount regulating mechanism 50 includes adjusting rod 51, differential crank 52 and poor Dynamic in flakes 53, it is differential in flakes 53 one end be articulated in differential crank 52, the other end is connected to the cover board in the second transmission component 43 434, one end of differential crank 52 is connected to adjusting rod 51, can rotate and drive differential in the oscillation adjustment of adjusting rod 51 53 movement in flakes.One end of adjusting rod 51 is fixedly connected on differential crank 52, and adjusting rod 51 is adjusted by the change of self-view Save it is differential in flakes 53 positional relationship.

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 Drive under, position of the sliding block 435 in sliding slot 417 that laterally drive being fixedly connected with link block 433 and cover board 434 occurs Variation laterally drives the movement initial position of sliding block 435 to change, as laterally driving 435 actual motion of sliding block lateral Decomposition, the motion state of differential cloth-feeding retainer 412 also just changes, thus realize to active feed dog frame 411 with it is differential The adjusting of differential amount between feed dog frame 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), adjusting rod 51 and the sliding block being arranged in sliding slot in adjusting panel 54 (not labeled) is fixedly connected, and regulating part 541 is installed on sliding block, and operator can adjust adjusting by operating regulating part 541 The swing position of bar 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.

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 mistake for realizing sewing operation Cheng Zhong can only process the cloth of specific thicknesses, very poor to the sewing efficiency of other thickness range clothes.In order to improve to not The adaptability of stack pile cloth promotes the ability of machine system flexible manufacturing, is additionally provided with feed dog frame tune on overedger 100 Mechanism 60 is saved, feed dog frame regulating mechanism 60 is connected to feed dog frame 41, lead to the angle and height for adjusting feed dog frame 41, The feeding state for changing different-thickness cloth using feed dog 413, so that cloth is in tensioning state appropriate, to improve The sewing efficiency of different-thickness cloth.

Feed dog frame regulating mechanism 60 is arranged in the side of shell 10 and is connected to feed dog frame 41, and feed dog frame is adjusted Mechanism 60 includes adjusting component 61 and operating assembly 62, and the one end for adjusting component 61 is connected to operating assembly 62, and the other end connects It is connected to feed dog frame 41, adjusts the angle that component 61 is used to adjust feed dog frame 41；Operating assembly 62 is arranged on the housing 10, It is used to control 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 are able to drive 612 actuation of adjusting slider under the driving of operating assembly 62, to adjust the angle of feed dog frame 41.

Eccentric shaft 611 includes concentric segments 6111 and is connected to the eccentric segments 6112 of concentric segments 6111, eccentric shaft 611 it is same Heart section 6111 is fixed on the housing 10, and eccentric shaft 611 can be around the center axis thereof of concentric segments 6111；Eccentric segment 6112 The center decentraction at center and concentric segments 6111, the two deviate a preset distance, and eccentric segment 6112 can be in concentric segments 6111 Drive under 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, partially The moving of the eccentric segment 6112 of mandrel 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 extension Arm 416 rises or declines in a first direction.Adjutage 416 is arranged on one end of feed dog frame 41, feed dog frame 41 The other end is fixed by main shaft 20, thus adjutage 416 rise or decline in a first direction will drive feed dog frame 41 generation Inclination, the inclined angle of feed dog frame 41 are 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 turn for operator's manipulation Dynamic, transmission component 622 is used to for the rotation of control element 621 being transferred to and adjust at component 61, and according to control element 621 Amount of spin control 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 adjusts at component, operator can adjust the inclination angle size and height of feed dog frame 41 by manipulating control element 621 in real time Degree, 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 bias by transmission component 622 by way of Electronic control The deflection angle of axis 611, to adjust the angle and height of feed dog 413.

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, snail Wheel 6222 is fixedly connected with the concentric segments 6111 of eccentric shaft 611, the rotation of 6211 output shaft of electric control element by worm screw 6221 and The intermeshing of worm gear 6222 drives worm gear 6222 to turn to preset angle, due between worm gear 6222 and eccentric shaft 611 Be fixedly connected, the rotation of worm gear 6222 will drive the rotation of eccentric shaft 611, to realize to 413 angle of feed dog and height It adjusts.

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 embodiment party In formula, 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； As long as 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 being capable of direct band without passing through transmission component 622 When dynamic 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 be driven by electricity element can be realized it is electronic Control.

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, Neng Goubian In 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 Dynamic 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 using other elements come real The now 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 bias of eccentric shaft 611 is sequentially set in adjusting slider 612 Section 6112 on, the second retaining ring 615 be used for position of the secured adjusted sliding block 612 on eccentric shaft 611, avoid adjusting slider 612 because It shakes 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 6112 of eccentric shaft 611；Adjusting slider 612 can also be using other members Part realizes itself limit, and 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 be adjusted according to thickness that Thickness sensitivity module detects feed dog frame 41 to corresponding inclination angle and Highly.

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 the inclination angle of feed dog 413, namely actively Tooth 4131 and differential tooth 4132 are concordant from horizontal concordant oblique angle of changing into, due to active tooth 4131 and differential tooth 4132 respectively with Different elliptical orbit work feeds, angle tilt bring Level Change can change the sewing efficiency of head between the two.

Also referring to Figure 15 a to Figure 15 c, Figure 15 a is principle signal when feed dog frame 41 is in common working condition Figure, Figure 15 b are schematic illustration when feed dog frame 41 is in thick material working condition, and Figure 15 c is that feed dog frame 41 is in thin material Schematic illustration when working condition.In figure, sign S indicates the elliptical trajectory of active tooth 4131 and differential tooth 4132, V Indicate corner cut direction when active tooth 4131 and differential tooth 4132 cut out working face, F indicates active tooth 4131 and differential tooth The elastic force direction of 4132 pairs of clothes.

(1) when feed dog frame 41 is in common working condition: feed dog frame 41 does not tilt, active tooth 4131 and differential tooth 4132 is horizontal concordant, and the contact cloth synchronous with differential tooth 4132 of active tooth 4131, active tooth 4131 and differential tooth 4132 are made at this time Corner cut direction when the direction of elastic force F for cloth and active tooth 4131 cut out working face with differential tooth 4132 is identical, For vertical direction, this state is suitable for sewing to process the moderate cloth of general thickness, hardness.

(2) when feed dog frame 41 is in thick material working condition: feed dog frame 41 tilts, so that the height of active tooth 4131 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 centainly separate relative to differential tooth 4132 for active tooth 4131 and differential tooth 4132 Effect forms the dilatory effect to cloth, so that the smooth not fold of the thin material such as grenadine, sewing quality is more preferably.

For convenient for work feed, in addition to the feed dog frame regulating mechanism 60 for needing to act on cloth, being in contact with cloth lower surface, Foot pressure regulating mechanism is needed to adjust jointly simultaneously, foot pressure regulating mechanism acts on cloth, connects with cloth upper surface Touching.

A kind of foot pressure based on overedger provided by the invention and retainer inclination angle synchronous adjusting method, including presser feet pressure Power regulating mechanism 70 and feed dog frame regulating mechanism 60, for adjusting foot pressure and 41 inclination angle of feed dog frame respectively, with Cooperate work feed, wherein feed dog frame regulating mechanism 60 is as it was noted above, such as Figure 16-Figure 22 institute of foot pressure regulating mechanism 70 Show, comprising:

Force-applying piece 73,

The driving mechanism 74 for driving the force-applying piece 73 to move along direction of exerting pressure of the pressure foot 34 to needle plate 13；

The manual adjustment 76 being flexibly connected with the force-applying piece 73；

Keep the locking piece 77 of relative position between the manual adjustment 76 and the force-applying piece 73；

Act on the elastic conducting power part 78 between the manual adjustment 76 and pressure foot 34.

In the present embodiment, applied for changing the foot pressure regulating mechanism 70 of the pressure between pressure foot 34 and needle plate 13 In on overedger, wherein needle plate 13 is horizontally disposed and height remains unchanged, at least vertical 13 direction of needle plate of direction of exerting pressure Component.

Pressure size between pressure foot 34 and needle plate 13 is influenced by elastic conducting power part 78, and elastic conducting power part 78 is being pressed Pressure is passed into pressure foot 34 in the state of contracting or elongation.The compressive state of elastic conducting power part 78 passes through manual adjustment 76 are adjusted.When manual adjustment 76 pushes, elastic conducting power part 78 is compressed, the pressure between pressure foot 34 and needle plate 13 Power increases；When timing on manual adjustment 76, elastic conducting power part 78 can extend, and the pressure between pressure foot 34 and needle plate 13 subtracts It is small.

The pushing or up-regulation of manual adjustment 76 have automatically and manually both of which.Wherein, manual mode mainly leads to Cross the relative position that operator manually controls manual adjustment 76.Automatic mode, which passes through to add, is driven applying for the driving of mechanism 74 Power part 73 is to control the relative position of manual adjustment 76.

In automatic mode, force-applying piece 73 and manual adjustment 76 are whole, and driving mechanism 74 drives force-applying piece 73 to move When, drive 76 height and position of manual adjustment to change, thus the elastic conducting that compression or stretching are connected with manual adjustment 76 Power part 78 is to change the pressure between pressure foot 34 and needle plate 13.

In a manual mode, force-applying piece 73 keeps height and position constant, and manual adjustment 76 is relative to force-applying piece 73 along pressure Sole 34 changes relative position to the direction of exerting pressure of needle plate 13.It can be movable relatively between force-applying piece 73 and manual adjustment 76, from And it compresses or stretches the elastic conducting power part 78 being connected with manual adjustment 76 to change the pressure between pressure foot 34 and needle plate 13 Power.

Further, it after with respect to force-applying piece 73 change in location occurs for manual adjustment 76, is locked with locking piece 77 to keep The relative position of manual adjustment 76 and force-applying piece 73, to keep the pressure between pressure foot 34 and needle plate 13 constant.

Overedger controls the pressure between pressure foot 34 and needle plate 13 before sewing, through manual mode manual adjustment, produces Raw pretightning force；When overedger is during sewing, and sewing fabric is stitched by the thin perhaps appearance stalk that thickens or is thinning by thickness, lead to The pressure that automatic mode adjusts pressure foot 34 Yu needle plate 13 in real time is crossed, reaches 34 real-time matching different-thickness fabric of pressure foot, makes Overedger sews smooth, the phenomenon that improving stitching uneven, fabric fold when fabric is crossed thicker than stalk.

The driving mechanism 74 is stepper motor 741, the stepper motor 741 and force-applying piece in one of the embodiments, It is linked between 73 by transmission mechanism 75, the transmission mechanism 75 includes:

Geared worm 751 is connected in the output shaft 7411 of the stepper motor 741,

Transmission arm 752, the transmission arm 752 are swung around a fixed axis, and one end of the transmission arm 752 has and the biography The driving cog 7521 that dynamic worm screw 751 is meshed, the other end of the transmission arm 752 are connected with force-applying piece 73.

It is appreciated that the output shaft 7411 of stepper motor 741 is equipped with geared worm 751, stepper motor 741 passes through output The rotate driving geared worm 751 of axis 7411 is rotated about axis, the driving cog 7521 of geared worm 751 and 752 one end of transmission arm It is meshed, the other end for stating transmission arm 752 is connected with force-applying piece 73.

The geared worm 751 of rotation drives the end of engagement of transmission arm 752 to rise or fall.The transmission arm 752 passes through fixation Pin shaft 753 is fixed on the housing 10, and transmission arm 752 is swung around the fixed axis where fixed pin shaft 753, wherein fixed pin shaft 753 are equivalent to as pivot, have a fixed axis.When the geared worm 751 of rotation drives the end of engagement of transmission arm 752 to rise When, the other end decline of transmission arm 752, and then force-applying piece 73 is driven to decline；When the geared worm 751 of rotation drives transmission arm When 752 end of engagement decline, the other end of transmission arm 752 rises, and then force-applying piece 73 is driven to rise.

The structural schematic diagram of transmission arm 752 as shown in figure 22 in one of the embodiments,.The transmission arm 752 The other end offers strip-shaped hole 7522, by being threaded through in strip-shaped hole 7522 between the force-applying piece 73 and the transmission arm 752 Pin shaft 754 be rotatablely connected.

It is appreciated that for the other end linkage force-applying piece 73 for realizing transmission arm 752, the other end and force of transmission arm 752 Part 73 is connected by pin shaft 754, and when transmission arm 752 is swung around fixed axis, the motion profile of the other end of transmission arm 752 is The motion profile of circle, force-applying piece 73 makes pin shaft by opening up strip-shaped hole 7522 in the other end of transmission arm 752 for straight line 754 generate relative displacement in strip-shaped hole 7522 to keep force-applying piece 73 linearly to move always.More specifically, it passes The other end of swing arm 752 is convenient for connecting force-applying piece 73, equipped with one for connecting the accommodation groove 7523 of force-applying piece 73.

The force-applying piece 73 is inner screw sheath in one of the embodiments, and the manual adjustment 76 is threaded through interior spiral shell In line set, and it is threadedly engaged between inner screw sheath.

It is appreciated that manual adjustment 76 and being threaded through in inner screw sheath, 76 periphery of manual adjustment is equipped with external screw thread.Packet Before sewing, inner screw sheath is fixedly mounted seam machine with respect to shell 10, by rotary manual regulating part 76, manual adjustment 76 with Inner screw sheath generates rotation, to adjust pressure foot 34 to the pressure of needle plate 13.Overedger during sewing, inner screw sheath with Manual adjustment 76 be threadedly engaged it is relatively fixed, inner screw sheath under the drive of driving mechanism 74, drive manual adjustment 76 produce The variation of raw relative position.

The outer wall of the inner screw sheath is fixed with connection handle 731 in one of the embodiments, and the pin shaft 754 is worn On the connection handle 731.It is described convenient for inner screw sheath is connected with the other end of transmission arm 752 by adding connection handle 731 Pin shaft 754 passes through connection handle 731, and in the strip-shaped hole 7522 of 752 other end of transmission arm.

Specifically, the other end of transmission arm 752 is equipped with the accommodation groove 7523 for accommodating the connection handle 731, realizes transmission arm 752 It is preferably connect between inner screw sheath and linkage.

The locking piece 77 is locking nut in one of the embodiments, and the locking nut is mounted on described manual It offsets on regulating part 76 and with inner screw sheath axial end face.

It is appreciated that locking nut is matched with the external screw thread of manual adjustment 76.In the pressure for manually adjusting pressure foot 34 Before power, by unscrewing locking nut and manual adjustment 76, by rotary manual regulating part 76, compression or tensile elasticity are led The pressure of pressure foot 34 is adjusted to part.

Specifically, the manual adjustment 76 is rod-shaped, convenient to cooperate with locking nut.

The periphery of the manual adjustment 76 has a limited step 761, elastic conducting power part in one of the embodiments, 78 one end offsets with pressure foot 34, and the other end of elastic conducting power part 78 is socketed on the manual adjustment 76, and with it is described Limited step 761 offsets.The limited step 761 that the periphery of manual adjustment 76 is equipped with facilitates positioning elastic to lead power part 78, and Elastic conducting power part 78 is forced in conducive to by manual adjustment 76.

In one embodiment, the elastic conducting power part 78 is helical spring.Described helical spring one end and pressure foot 34 offset, and the helical spring other end is socketed on the manual adjustment 76 and offsets with the limited step 761.In other realities Apply in example, elastic conducting power part 78 can also using can the elastic component that deformation occurs, such as rubber, air cushion or other kinds of bullet Spring.

Foot pressure regulating mechanism 70 further includes being in tilted layout with needle plate 13 to guide pressure in one of the embodiments, The compression bar set 79 in direction, the inner screw sheath, the elastic conducting power part 78 are set in compression bar set 79, the manual adjustment 76 Top stretch out compression bar set 79, the locking nut be mounted on manual adjustment 76 stretch out compression bar set 79 position.Compression bar set 79 Internal threads set, elastic conducting power part 78 play protection fixed function, and ensure that direction of exerting pressure.

Correspondingly, shell 10 is equipped with the strut kong for accommodating compression bar set 79, and compression bar set 79 is through the fixed peace of strut kong Loaded on shell, such as can be fixed in such a way that glue bonds.The axis direction and needle plate 13 of compression bar set 79 are at certain Tilt angle.

Specifically, compression bar set 79 includes upperpush rod set 791 and intermediate sleeve 792, and upperpush rod set 791 is set in inner screw sheath Periphery, and upperpush rod covers 791 peripheries and is equipped with one and first opens for connection handle 731 from what upperpush rod covered that 791 interior penetrate Mouth 7911, and first opening 7911 covers in 791 axial directions in upperpush rod with the width moved for connection handle 731.

It is equipped between the elastic conducting power part 78 and pressure foot 34 by elastic conducting power part 78 in one of the embodiments, Pressure conduction is to the connector 71 of pressure foot 34, and the connector 71 is towards 78 end of elastic conducting power part with a positioning step, bullet Property leads power part 78 and is socketed in 71 periphery of connector and offsets with positioning step.Specifically, down-pressed pole is equipped in 71 periphery of connector Set 793, the position for the part 71 that is located to connect.

Foot pressure regulating mechanism 70 further includes controlling the presser feet that pressure foot 34 moves to lift in one of the embodiments, Bar 72, by forcing in presser feet raising wire 72 so that pressure foot 34 is far from needle plate 13, convenient for by the cloth on needle plate 13 from pressure It is detached under sole 34.

Specifically, 71 periphery of connector is equipped with a stress protrusion 711, and presser feet raising wire 72 is abutted against with stress protrusion 711. Presser feet raising wire 72 is swung around a fixed pivot, presser feet raising wire 72 in force, with raised 711 phase separations of stress with Pressure foot 34 is lifted.Presser feet raising wire 72 has one handle far from raised 711 ends of stress, presses handle, presser feet raising wire 72 It will be upwarped close to raised 711 ends of stress, and drive stress protrusion 711 to move upwards, and then drive the presser feet being connected with connector 71 Plate 34 rises.Wherein, hinged mode can be used between presser feet raising wire 72 and stress protrusion 711, or lean.

Correspondingly, the pushing rod set 793 for being set in 71 periphery of connector is offered to be opened for stress protrusion 711 perforative second Mouth 7931, and second opening 7931 has the width moved for stress protrusion 711 on pushing 793 axial direction of rod set.

Thickness sensitivity module (not shown) can also be arranged on overedger 100 in one of the embodiments, to examine in real time The thickness of cloth is surveyed, electric control element 6211 can adjust pressure foot 34 to correspondence according to the thickness that Thickness sensitivity module detects Inclination angle and height.

Thickness sensitivity module can be realized pair using the modes such as Hall element, infrared acquisition in one of the embodiments, The detection of fabric thickness.

Foot pressure regulating mechanism 70 provided by the invention, the phase of manual control manual adjustment 76 before overedger sews To position, to adjust the pressure between pressure foot 34 and needle plate 13, during overedger sewing, according to the thickness of sewing fabric Degree, the height and position of automatic real-time control manual adjustment 76 is to adjust the pressure between pressure foot 34 and needle plate 13.Use this The overseam function of foot pressure regulating mechanism 70 matches different-thickness fabric, sews overedger when fabric is crossed thicker than stalk suitable Freely, the phenomenon that improving uneven stitching, fabric fold.

Figure 23 is please referred to, Figure 23 is same based on the foot pressure of overedger and retainer inclination angle in one embodiment of the present invention Walk the flow diagram of adjusting method.

The foot pressure based on overedger and retainer inclination angle synchronous adjusting method are applied on an overedger, the pressure Foot pressure method is applied on an overedger, and the foot pressure method is described for changing the pressure between presser feet and needle plate Include: based on the foot pressure of overedger and retainer inclination angle synchronous adjusting method

Default initial pressure, specifically, the pressure that operator presses cloth to initial presser feet is set.

Manually adjust presser feet height, until pressure between presser feet and needle plate meet it is default, specifically, force-applying piece keeps high Degree position is constant, and manual adjustment changes relative position along direction of exerting pressure of the pressure foot to needle plate relative to force-applying piece.Force-applying piece It can be movable relatively between manual adjustment, so that the elastic conducting power part that compression or stretching are connected with manual adjustment is to change Pressure between pressure foot and needle plate locks the relative position to keep manual adjustment and force-applying piece with locking piece.

The feed dog of presser feet and retainer, which cooperates, carries out work feed, specifically, by forcing in presser feet raising wire, so that pressure Cloth is transported between presser feet and retainer far from needle plate convenient for detaching the cloth on needle plate under pressure foot by sole.

Real-time detection cloth is thick during work feed, specifically, Thickness sensitivity module carrys out the thickness of real-time detection cloth.

It is thick according to the cloth, retainer inclination angle is accordingly adjusted by feed dog frame regulating mechanism, it is specific the following steps are included:

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 be adopted The eccentric shaft turns are driven with the mode of rotation transmission, the straight of operating assembly can also be passed through by the way of Linear transmission Lineal travel 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 the rotation of the eccentric shaft will drive the adjusting slider with respect to institute State 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 work feed In the sliding groove opened up on retainer, the actuation of the relatively described eccentric shaft of the adjusting slider is decomposed into the cunning along sliding groove Dynamic and vertical sliding motion slot raising or decline, the raising or decline of the adjusting slider drive the one of the feed dog frame again End increases 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 direct Manual operation is realized on ground, 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, institute State the amount of spin that control element transmits 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.

Operating pressure is calculated according to the cloth thickness, and foot pressure is automatically adjusted by foot pressure regulating mechanism, specifically , the thickness for the cloth that Thickness sensitivity module is detected calculates pressure most suitable between presser feet and needle plate, described in manipulation Driving mechanism simultaneously drives the force-applying piece to move along direction of exerting pressure of the presser feet to needle plate, adjusts presser feet height, makes presser feet to work Pressure presses cloth, specifically, the geared worm of rotation drives the end of engagement of transmission arm to rise or fall, transmission arm is around fixation Fixed axis where pin shaft is swung, when the geared worm of rotation drives the end of engagement of transmission arm to rise, transmission arm it is another End decline, and then drive force-applying piece decline；When the geared worm of rotation drives the end of engagement decline of transmission arm, transmission arm The other end rises, and then force-applying piece is driven to rise, so that the elastic conducting power part that compression or stretching are connected with manual adjustment is to change Pressure between transformation sole and needle plate.

Specifically, the overedger further includes Thickness sensitivity module, and the Thickness sensitivity module is able to detect the thickness of cloth Degree, according to the obtained fabric thickness of detection,

The stepper motor drives the force-applying piece to increase according to the fabric thickness that the Thickness sensitivity module detects Or decline corresponding position；

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

It in one of the embodiments, further include that opposite needle plate is solid to realize pressure foot real-time matching different-thickness fabric Dingan County dress, detection needle plate on cloth thickness Hall detection apparatus, the Hall detection apparatus respectively with stepper motor, control Element communication connection processed is to send detection data.

For the synchronous adjustment for realizing foot pressure and retainer inclination angle, the thickness of cloth on Hall detection apparatus real-time detection needle plate After degree, also accordingly by the detection data of the thickness comprising cloth to control circuit board, then by control circuit board send electric signal to Electric control element adjusts foot pressure and retainer inclination angle according to the thickness of cloth to realize in real time.

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.

In first embodiment wherein, cloth thin and thick is detected by Thickness sensitivity module and thin and thick changes, is led to Crossing the rotation of electric control system controls stepper motor drives geared worm to make to be driven arm swing, stirs force-applying piece and slides up and down, force-applying piece Sliding up and down makes elastic conducting power part decrement change, and changes the pressure to presser feet, can when sewing stalk seam, thick charge level material By step motor control foot pressure, pass through fabric, the situation for avoiding the intensive work feed of stitching unsmooth occurs.Pass through Thin and thick detection and regulating mechanism are implemented in combination with automatic detection, automatically control, automatic adjustment.

(1) when stitching sewing machine is compared with grenadine, Thickness sensitivity module detects fabric with a thickness of thin material, and signal is delivered to Electric-control system, electric-control system make elastic conducting power part decrement be in thin material constricted zone by regulating and controlling to stepper motor, Keep thin stockline mark more smooth；

(2) when stitching sewing machine medium thickness cloth, Thickness sensitivity module detection fabric is automatically controlled with a thickness of medium cloth By regulating and controlling to stepper motor, so that elastic conducting power part decrement is in medium thickness material constricted zone makes in sewing system Equal thickness cloth stitching is more beautiful；

(3) when the thicker degree cloth of stitching sewing machine, Thickness sensitivity module detection fabric is automatically controlled with a thickness of thicker cloth For system by regulating and controlling to stepper motor, so that elastic conducting power part decrement is in thicker cloth constricted zone keeps sewing thicker Cloth is more smooth, and stitching is more uniform；

(4) when stitching sewing machine cloth switchs to thick material from thin material, the thick material signal of Thickness sensitivity module outflow, electric-control system Identification signal variation, is adjusted stepper motor, and elastic conducting power part decrement reduces, and pressure reduces counteracting presser feet and raises production Raw extra pressure makes cloth pass through presser feet, and improves sewing stitching aesthetics.

When stitching sewing machine cloth switchs to thin material from thickness material, Thickness sensitivity module spreads out of thin and thick signal, and electric-control system is known Level signal variation, is adjusted stepper motor, and the amount of compression increases for elastic conducting power part, offsets presser feet and declines reduced elastic conducting Power part pressure makes cloth sewing stitching keep best.

It is implemented in combination with automatic detection by thin and thick detection and regulating mechanism, is automatically controlled, automatic adjustment.Thickness sensitivity module Cloth thin and thick and thin and thick variation can be quickly detected, the variation of electric-control system identification signal passes through electric control system controls stepping electricity Machine rotation drives geared worm to make to be driven arm swing, stirs force-applying piece and slides up and down, force-applying piece, which slides up and down, makes elastic conducting power part Decrement changes, and changes the pressure to presser feet.Step motor control presser feet can be passed through when sewing stalk seam, thick charge level material Pressure passes through fabric, avoids the case where stitching is intensive, work feed is unsmooth, cloth fold generation, improves stitching aesthetics.

In second embodiment wherein, cloth thin and thick and thin and thick are detected by linear Hall Thickness sensitivity module Change while exporting different fabrics thickness voltage signal, passes through electric-control system and identify that voltage signal, control stepper motor rotate band Dynamic geared worm makes to be driven arm swing, and stirring force-applying piece and sliding up and down makes elastic conducting power part decrement change, and changes to pressure The pressure of foot can be such that fabric passes through, be avoided when sewing stalk seam, thick charge level material by step motor control foot pressure The unsmooth situation of the intensive work feed of stitching occurs.It is implemented in combination with automatic detection by Thickness sensitivity module and regulating mechanism, it is automatic to control System, it is automatic to adjust in real time.

Electric-control system carries out initial, end voltage value to linear Hall Thickness sensitivity module and identifies, to the voltage after identification Value range is matched with stepper motor slewing area by experimental test, is calculated between stepper motor and Hall voltage value Coefficient k, k value includes transmission ratio z1/z2, driving cog both ends length ratio l1/l2 between geared worm and driving cog, according to public affairs Formula ω=kV calculates stepper motor rotational angle.

When a certain thickness cloth of stitching sewing machine, Thickness sensitivity module can export a voltage value, and electric-control system passes through Voltage value calculates stepper motor rotational angle and then adjusts elastic conducting power part pressure, and sewing function is made to analyze treatment cloth in real time Expect different-thickness characteristic, sewing thread trace is made to reach optimum state.

The present invention is implemented in combination with automatic detection by thin and thick detection and regulating mechanism, automatically controls, automatic to adjust in real time.It is thick Degree detection module can quickly detect cloth thin and thick and thin and thick variation, and the variation of electric-control system identification signal quick and precisely controls Stepper motor rotary dial force-applying piece slides up and down, and changes the position of force-applying piece, and regulating mechanism pressure is made to remain best seam It threads mode.Fabric is passed through, the case where stitching is intensive, work feed is unsmooth, cloth fold generation is avoided, it is beautiful to improve stitching Degree

In third embodiment wherein, is rotated by electric control system controls stepper motor and geared worm is driven to make to pass Movable arm swinging is stirred force-applying piece and is slided up and down, and force-applying piece, which slides up and down, makes elastic conducting power part decrement change, change pair The pressure of presser feet can be such that fabric passes through, be kept away when sewing stalk seam, thick charge level material by step motor control foot pressure Exempt from the unsmooth situation of the intensive work feed of stitching to occur.It is implemented in combination with automatic detection by thin and thick detection and regulating mechanism, it is automatic to control System, automatic adjustment.

(1) when stitching sewing machine is compared with grenadine, thin material mode, automatically controlled system can be arranged by one key of control panel in operator System control stepper motor carries out thin material regulating mechanism pressure setting, is allowed to adapt to thin material sewing, keeps thin stockline mark more smooth；

(2) when stitching sewing machine medium thickness cloth, operator can be arranged by one key of control panel in thick material mode, Electric-control system makes regulating mechanism decrement be in medium thickness constricted zone, makes in sewing by regulating and controlling to stepper motor Equal thickness cloth stitching is more beautiful；

When the thicker cloth of stitching sewing machine, thick material mode, electric-control system can be arranged in operator by one key of control panel By regulating and controlling to stepper motor, so that compression bar decrement is in thicker cloth constricted zone, keep the thicker cloth of sewing more suitable Freely, stitching is more uniform；

The present invention realizes that manual third gear is adjusted by control operation panel, and electric control system controls stepper motor is to regulating mechanism Decrement automatically adjusts.Operator can quickly carry out thin material, middle thick material, thick material third gear and be configured, and accurately control step It is slided up and down into motor rotary dial force-applying piece, changes the pressure to compression bar.A key can be passed through when sewing different-thickness fabric Setting setting foot pressure, passes through fabric, avoids the case where stitching is intensive, work feed is unsmooth, cloth fold generation, mention High stitching aesthetics.

The present invention provides the synchronous adjusting method of a kind of foot pressure based on overedger and retainer inclination angle, wherein work feed Retainer regulating mechanism can adjust inclination angle and the height of feed dog frame, enable feed dog frame according to the thickness of different clothes Degree changes feed dog to the feeding state of cloth；Foot pressure regulating mechanism, manual control is adjusted manually before overedger sews The relative position of part is saved, to adjust the pressure between pressure foot and needle plate, during overedger sewing, according to sewing fabric Thickness, the height and position of automatic real-time control manual adjustment is to adjust the pressure between pressure foot and needle plate.

Different-thickness fabric is matched with the overseam function of the synchronous regulation mechanism at feed dog frame inclination angle using the foot pressure, The phenomenon that sewing overedger when fabric is crossed thicker than stalk smooth, improving uneven stitching, fabric fold, sewing quality mentioned simultaneously Height, the capability improving of machine system flexible manufacturing, is with a wide range of applications.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of foot pressure based on overedger and retainer inclination angle synchronous adjusting method characterized by comprising

Real-time detection cloth is thick during work feed；

It is thick according to the cloth, retainer inclination angle is accordingly adjusted by feed dog frame regulating mechanism；

Operating pressure is calculated according to the cloth thickness, and foot pressure is automatically adjusted by foot pressure regulating mechanism.

2. the foot pressure according to claim 1 based on overedger and retainer inclination angle synchronous adjusting method, feature exist In before survey cloth is thick further include:

Default initial pressure；

Manually adjust the height of manual adjustment, until pressure between presser feet and needle plate meet it is default；

The feed dog of presser feet and retainer, which cooperates, carries out work feed.

3. the foot pressure according to claim 2 based on overedger and retainer inclination angle synchronous adjusting method, feature exist In the foot pressure regulating mechanism includes:

Force-applying piece, for automatically adjusting foot pressure；

The driving mechanism for driving the force-applying piece to be axially moved along it；

What is be flexibly connected with the force-applying piece is used to manually adjust the manual adjustment of foot pressure；

Keep the locking piece of relative position between the manual adjustment and the force-applying piece；

Act on the elastic conducting power part between the manual adjustment and presser feet.

4. the foot pressure according to claim 3 based on overedger and retainer inclination angle synchronous adjusting method, feature exist In, the driving mechanism is stepper motor, it is linked between the stepper motor and force-applying piece by transmission mechanism, the transmission mechanism Include:

Geared worm is connected in the output shaft of the stepper motor,

Transmission arm, the transmission arm are swung around a fixed axis, and one end of the transmission arm has to be meshed with the geared worm Driving cog, the other end of the transmission arm is connected with force-applying piece.

5. the foot pressure according to claim 4 based on overedger and retainer inclination angle synchronous adjusting method, feature exist In the feed dog frame regulating mechanism includes operating assembly and adjusts component, and the adjusting component includes that eccentric shaft and adjusting are slided Block, the eccentric shaft wear the adjusting slider and are connected to the operating assembly, and the adjusting slider is embedded in the work feed On retainer；

It is described retainer inclination angle is accordingly adjusted by feed dog frame regulating mechanism to include:

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.

6. the foot pressure according to claims 1 to 5 based on overedger and retainer inclination angle synchronous adjusting method, feature It is, the operating assembly includes control element, and the control element is connected to the eccentric shaft, the manipulation operational group The control element of part 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.

7. the foot pressure according to claim 6 based on overedger and retainer inclination angle synchronous adjusting method, feature exist In the operating assembly further includes transmission component, and the transmission component is arranged between the operating assembly and the eccentric shaft, institute It states and manipulates the control element of the operating assembly and rotate and include: 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.

8. the foot pressure according to claim 7 based on overedger and retainer inclination angle synchronous adjusting method, feature exist In the transmission component includes worm gear and worm screw, and the worm gear and worm screw are intermeshed, and the manipulation control element passes through The rotation of itself is transferred on the eccentric shaft and includes: the step of driving the eccentric shaft turns by transmission component

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.

9. the foot pressure according to claim 8 based on overedger and retainer inclination angle synchronous adjusting method, feature exist In the overedger further includes Thickness sensitivity module, and the Thickness sensitivity module is used to detect the thickness of cloth；

The fabric thickness that the stepper motor is detected according to the Thickness sensitivity module drive the force-applying piece increase or under Corresponding position drops；

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

10. the foot pressure according to claim 9 based on overedger and retainer inclination angle synchronous adjusting method, feature exist In the Thickness sensitivity module includes Hall element and magnetic part, and the Hall element and magnetic part phase interworking are suitable, the thickness Detection module detects the thickness of cloth by hall principle.