CN207958713U - A kind of foot device and embroidery machine for embroidery machine - Google Patents

A kind of foot device and embroidery machine for embroidery machine Download PDF

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Publication number
CN207958713U
CN207958713U CN201820335244.9U CN201820335244U CN207958713U CN 207958713 U CN207958713 U CN 207958713U CN 201820335244 U CN201820335244 U CN 201820335244U CN 207958713 U CN207958713 U CN 207958713U
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China
Prior art keywords
bar
presser
shaft
shank
presser bar
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CN201820335244.9U
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Chinese (zh)
Inventor
王海江
田桂郁
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Zhejiang Xinsheng Technology Co Ltd
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ZHEJIANG XINSHENG SEWING EQUIPMENT CO Ltd
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Abstract

The utility model discloses a kind of foot devices and embroidery machine for embroidery machine, belong to embroidery machine field, foot device includes presser bar, shaft and the motor for drive shaft equipped with presser feet, it further include fixed seat, presser bar is equipped with more, each presser bar is arranged in fixed seat and is circumferentially limited, and each presser bar is sequentially connected in shaft, and shaft realizes presser feet compression or release fabric in being rotated by and driving each presser bar to move by transmission mechanism for motor.The motor and shaft added is exclusively used in driving each presser bar, regulation motor comes shift motion and the stroke dead point of the i.e. adjustable each presser bar of angle of back rotation, the stroke dead point of presser feet is set to be adjusted according to different fabrics, different compress for meeting different fabrics requires, and improves the versatility of foot device.The load for also mitigating the power plant for driving shank is conducive to the rate for improving shank operation.

Description

A kind of foot device and embroidery machine for embroidery machine
Technical field
The utility model is related to embroidery machine technical field more particularly to a kind of foot devices for embroidery machine, in addition, this Utility model further relates to the embroidery machine using such foot device.
Background technology
With the progress of science and technology, technology, computerized emboridering machine has become the main mechanical of embroidery industry.It is existing During the work time, power plant drives shank to move up and down realization embroidery to embroidery machine by transmission mechanism.In order to compress fabric, The presser feet mating with every shank is additionally provided on needle bar frame, presser feet follows shank to run under the drive of shank.Traditional embroidery In machine structure, presser feet is directly sleeved on shank, and baffle ring is arranged on shank, and baffle ring is against by spring on presser feet, when work Since the presence of spring keeps presser feet larger to the impact force of fabric, final product quality is influenced.When shank moves up reset, presser feet is in spring Under the action of follow shank to move up reset at once, presser feet cannot effectively compress fabric when shank resets, may result in face Material shifts under the action of shank, influences final product quality.In addition, since the pressure of presser feet depends on the pressure of spring, and presser feet Up stroke dead point, down stroke dead point and the stroke that moves up and down each depend on shank, can not individually adjust, it is difficult to adapt to different The different compression demands of fabric, poor universality.Furthermore in existing embroidery machine structure, needle is driven by a transmission shaft simultaneously Bar and presser feet operation, the load of transmission shaft is larger, the rate that transmission shaft drives shank operation is limited, to limit embroidery machine The working efficiency of head.
Utility model content
In order to solve above-mentioned shortcoming and defect existing in the prior art, the utility model provide a kind of presser feet independently of The foot device for embroidery machine of shank operation.
In order to achieve the above technical purposes, the foot device provided by the utility model for embroidery machine, including bottom end are set Presser bar, shaft and the motor for drive shaft for having presser feet further include fixed seat, and presser bar is equipped with more, each presser bar It is arranged in fixed seat and is circumferentially limited, each presser bar is sequentially connected in shaft, and shaft is rotated by simultaneously motor Each presser bar movement is driven to realize that presser feet compresses or unclamp fabric by transmission mechanism.
Preferably, the fixed seat is equipped with the limiting slot extended along presser bar moving direction, and presser bar is equipped with and limit The position matched limit protrusion of slot, limit protrusion, which is inserted in limiting slot, makes presser bar be limited in circumferential direction.
Preferably, the foot device further includes the link transmission being set between presser bar and shaft and for realizing transmission Mechanism, jointed gear unit include the swing rod set gradually, rocking bar, intermediate bar and interlocking bar, and swing rod fixing sleeve is set in shaft, The both ends of rocking bar are connected to swing link end part and intermediate bar, and one end rotation setting of intermediate bar, the other end are connected to interlocking bar, The both ends of interlocking bar are connected to intermediate bar and presser bar, by swing rod, rocking bar, intermediate bar and linkage when shaft carrys out back rotation Bar driving presser bar moves back and forth relative to fixed seat.
Preferably, fixing sleeve is equipped with linkage block on the presser bar, and one end of interlocking bar is connected to linkage block and realizes and press The connection of foot lever, linkage block are equipped with limit protrusion, and fixed seat is equipped with along the extension of presser bar moving direction and and limit protrusion Matched limiting slot, limit protrusion are inserted in limiting slot so that the circumferential direction of presser bar is limited.
Preferably, there are two the motor is set, and two motors are sequentially connected respectively in the both ends of shaft, and two motors are same Step drive shaft carrys out back rotation.
After adopting the above technical scheme, the foot device provided by the utility model for embroidery machine has the following advantages that:
1, the foot device provided by the utility model for embroidery machine, the presser foot to being currently used for embroidery machine carry out It improves, has added motor and shaft, motor-driven rotatable shaft carrys out back rotation, and shaft to drive each presser bar when back rotation to move back It is dynamic, drive presser feet to compress or unclamp fabric when each presser bar moves back and forth.The motor and shaft added is exclusively used in driving each presser feet Bar, regulation motor comes shift motion and the stroke dead point of the i.e. adjustable each presser bar of angle of back rotation, to make the row of presser feet Journey dead point can be adaptively adjusted according to different fabrics, and different compress for meeting different fabrics requires, and improves foot device Whole versatility.In addition, also mitigating the load of the power plant for driving shank, be conducive to the speed for improving shank operation Rate, and then be conducive to improve the working efficiency of embroidery machine.The utility model drives more presser bars simultaneously by a transmission shaft It compresses fabric or unclamps fabric simultaneously, be conducive to the synchronism for improving each presser bar movement, simplify the structure of foot device entirety, The time length of fabric is compressed convenient for the unified time point for adjusting foot device compression fabric, single and is unclamped the time of fabric Point.
Since presser bar is completely independent operation under the action of motor relative to shank, presser feet can be made to unclamp the dynamic of fabric Lag behind shank lifting reset action, extend presser feet single embroidery action under compress fabric time, avoid fabric by In presser feet and shank synchronous reset shift the case where, fabric is made preferably to keep stable, after the completion of improving embroidery Final product quality.
Foot device has also added fixed seat, and presser bar is arranged in fixed seat and is circumferentially limited, and avoids presser bar The rotation in circumferential direction occurs relative to fixed seat when moving back and forth, improves the stability that presser bar moves back and forth, and then improve pressure Stability when the tight fabric of foot press, avoids presser bar from leading to fabric Effect of Rotation fabric because existing simultaneously rotation when moving back and forth Stability.
2, limiting slot in fixed seat is set, limit protrusion is set on presser bar, limit protrusion is inserted in limiting slot, is passed through The limit of presser bar in the circumferential is realized in the cooperation of limit protrusion and limiting slot, the position limiting structure letter between fixed seat and presser bar It is single, it is well positioned to meet limit and requires.
3, realize that transmission, the structure of jointed gear unit are simple and tight using jointed gear unit between shaft and presser bar It gathers, the installation requirement of small surplus installation space on embroidery machine can be better met.In addition, jointed gear unit is well positioned to meet The job requirement of foot device high-speed cruising.Jointed gear unit preferably uses double leval jib transmission mechanism, one end of intermediate bar to turn It dynamic installation and is limited, stability when jointed gear unit operation can be improved, moved back to further increase presser bar Stability when dynamic.
4, fixation is arranged linkage block on presser bar, and interlocking bar is by the mating connection with linkage block on shank, interlocking bar Setting and the matched limit protrusion of limiting slot, limit protrusion is combined with linkage block and is set together, convenient for simplifying on presser bar Structure, and be conducive to mitigate motor load.
5, motor is arranged two, and two motors are sequentially connected respectively when the both ends of shaft, raising shaft unitary rotation Synchronism, and then be conducive to improve synchronism when each presser bar moves back and forth, better meet the requirement that presser feet compresses fabric. Simultaneously, moreover it is possible to which the bearing capacity for improving shaft is conducive to the operational efficiency for improving foot device entirety.
The utility model additionally provides a kind of embroidery machine, including rack and multiple heads in rack, head include Casing and needle bar frame, needle bar frame can be moved back and forth relative to casing, and needle bar frame is equipped with shank, and casing drives equipped with shank Dynamic device and the transmission shaft for driving needle bar driver, embroidery machine further include the foot device for embroidery machine of above-mentioned record.
There are choosing, the fixed seat to be equipped with multiple and corresponded with each presser bar, each fixed seat is set to head transverse direction Outside.
Preferably, it is set on each head there are two needle bar driver, the bottom end of each presser bar is all provided with that there are two presser feets, together Two presser feets on one presser bar are corresponding close to two needle bar drivers of presser bar on adjacent head respectively.
Preferably, the shank includes carving hole shank, and carving hole shank is equipped with carving hole presser feet, and carving hole presser feet, which is equipped with, to be used for Avoid the evacuation recess of presser feet.
Preferably, the motor is set in rack, and shaft rotation is set in rack and is arranged in parallel with transmission shaft.
Embroidery machine provided by the utility model has the following advantages that:
1, embroidery machine provided by the utility model has been added using the foot device of above-mentioned record and has been exclusively used in driving presser feet The motor and shaft that bar moves back and forth, presser bar are completely independent operation under the action of motor relative to shank, and regulation motor is come The angle of back rotation is shift motion and the stroke dead point of adjustable presser bar, to enable the stroke dead point of presser feet according to difference Fabric be adaptively adjusted, different compress for meeting different fabrics requires, and improves the versatility of foot device entirety.Separately Outside, the load for also mitigating the power plant for driving shank is conducive to the rate for improving shank operation.Since presser bar is only Shank operation is stood on, so that the action that presser feet unclamps fabric is lagged behind the action that shank lifting resets, presser feet can be extended single The embroidery action lower time for compressing fabric, the case where avoiding fabric from being shifted due to presser feet and shank synchronous reset.
2, fixed seat is corresponded using split structure and with each presser bar, and each fixed seat is set to corresponding head transverse direction Outside makes full use of the space of head lateral sides that the installation site of presser bar is rationally arranged, and avoids fixed seat and presser bar dry The movement of needle bar frame is related to, while being conducive to control the appearance and size of embroidery machine entirety, the overall structure of embroidery machine is made to keep compact.
3, two needle bar drivers are set on each head, correspondingly, two presser feets are arranged on every presser bar, due to solid Reservation is set to the outside of head transverse direction, then the presser bar being set in fixed seat is also set to the outside of head transverse direction, makes same presser feet Two presser feets on bar are corresponding close to two needle bar drivers of presser bar on adjacent head respectively, and presser feet and needle is rationally arranged The correspondence of bar driver better meets shank work to keep presser feet corresponding with the shank driven by needle bar driver To the requirement of the compression of fabric when making.
4, shank includes carving hole shank, at this point, setting and the carving matched carving hole presser feet of hole shank on carving hole shank, in order to It avoids presser feet from causing to interfere to the movement for carving hole presser feet, carves and evacuation recess is set on the presser feet of hole, make presser feet and carve hole presser feet mutually not Interference, better meets the job requirement of embroidery machine.
5, motor is fixed on the rack, and shaft rotation is set in rack, and shaft is arranged in parallel with transmission shaft, rationally sets The installation relation between shaft and transmission shaft is set, installation space is saved.
Description of the drawings
Fig. 1 is the overall schematic of one foot device of the utility model embodiment;
Fig. 2 is the schematic diagram of presser bar, jointed gear unit and fixed seat in one foot device of the utility model embodiment;
Fig. 3 is the schematic diagram of one embroidery machine of the utility model embodiment;
Fig. 4 is the schematic diagram of casing and foot device in one embroidery machine of the utility model embodiment;
Fig. 5 is the schematic diagram of motor and rack in one embroidery machine of the utility model embodiment;
Fig. 6 is the schematic diagram of housing part in one embroidery machine of the utility model embodiment;
Fig. 7 is the schematic diagram of needle bar frame part in one embroidery machine of the utility model embodiment;
Fig. 8 is shank and thread take-up tension lever fractionation schematic diagram driven in one embroidery machine of the utility model embodiment;
Fig. 9 is the part-structure schematic diagram for driving needle bar driver in one embroidery machine of the utility model embodiment;
Figure 10 is the position view that hole shank and presser bar are carved in two embroidery machine of the utility model embodiment.
In figure, 11- casings, 11- guiding axis, the upper supporting beams of 12-, supporting beam under 13-, 14- rolling bearings, 15- transmission shafts, 16- axis pins, 17- determine guide rail, 2- needle bar frames, 21- upper beams, 22- bottom end rails, 23- fixing axles, 24- link blocks, 25- open slots, 26- moves guide rail, 31- shanks, 311- shanks I, 312- shanks II, 313- shanks III, 314- shanks IV, 315- shanks V, 316- Shank VI, 32- eedles, 33- driven members, 331- convex blocks, 34- needles folder, 35- springs, 36- stop screws, 37- carve hole needle, 38- Carving hole shank, 39- carving hole presser feets, 391- evacuation recess, 4- needle bar drivers, 41- grooves, the first cams of 51-, 511- axis holes, 52- big connecting rods, tri- connecting rods of 53-, 531- bar axis, 54- small rods, 6- thread take-up tension levers, 71- taking-up frames, 72- take-up rollers, in 73- Countershaft, the second cams of 74-, 741- driving grooves, 75- drive links, 76- rollers, 81- presser feets, 811- fixed blocks, 82- presser bars, 83- shafts, 84- motors, 841- output shafts, 85- jointed gear units, 851- swing rods, 852- rocking bars, 853- intermediate bars, 854- Interlocking bar, 856- sets of holes, 857- linkage blocks, 858- limit protrusions, 86- fixed seats, 861- mounting holes, 862- vessels, 863- limits Position slot, 864- fixation flangings, 865- through-holes, 871- driving wheels, 872- driven wheels, 873- belts, 874- tensioning wheels, 88- bearings, 9- racks, 91- holders, 92- support bases, 93- adjustment seats, the collateral seats of 94-.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.It is to be appreciated that following The indicating positions such as "upper", "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", "bottom" Or the word of position relationship is based only upon orientation or positional relationship shown in the drawings, only for the purposes of describing the utility model and simplification Description, does not indicate or imply the indicated device/element and must have a particular orientation or with specific azimuth configuration and behaviour Make, therefore should not be understood as limiting the present invention.
Embodiment one
As shown in Figure 1, the foot device for embroidery machine that the utility model embodiment one provides, including bottom end are equipped with pressure The presser bar 82 of foot 81, shaft 83, for drive shaft motor 84 and fixed setting fixed seat 86, presser bar is equipped with more Root, each presser bar are arranged in fixed seat and are circumferentially limited, and each presser bar is sequentially connected in shaft.Shaft 83 is in motor 84 are rotated by, and shaft drives each movement of presser bar 82 to realize that each presser feet 81 compresses or unclamp fabric.
The motor and shaft added is exclusively used in driving each presser bar, the angle that regulation motor carrys out back rotation that each pressure is adjusted The shift motion of foot lever and stroke dead point, to enable the stroke dead point of each presser feet to carry out adaptability tune according to different fabrics Whole, different compress for meeting different fabrics requires.Each presser bar is completely independent operation under the action of motor relative to shank, makes The action that presser feet unclamps fabric lags behind the action that shank lifting resets, and extends presser feet and compresses fabric under single embroidery action Time, the case where avoiding fabric from being shifted due to presser feet and shank synchronous reset.Each presser bar is arranged in fixed seat and week To being limited, the rotation in circumferential direction occurs relative to fixed seat when each presser bar being avoided to move back and forth, improves each presser bar The dynamic stability of return, and then improve stability when presser feet compresses fabric.Drive more presser bars same by a transmission shaft When compress and fabric or unclamp fabric simultaneously, be conducive to the synchronism for improving each presser bar movement, simplify the knot of foot device entirety Structure, convenient for it is unified adjust that foot device compresses the time point of fabric, single compresses the time length of fabric and unclamp fabric when Between point.
In the present embodiment, 84 drive shaft 83 of motor carrys out back rotation, drives presser bar 82 downward when shaft rotates clockwise Mobile, presser bar moves down compresses fabric afterwards in place.Shaft 83 counterclockwise rotate when driving presser bar 82 move up, presser bar to Fabric is unclamped when upper mobile.
Foot device further includes being set between presser bar 82 and shaft 83 for realizing the jointed gear unit of transmission 85, such as Shown in Fig. 2, jointed gear unit preferably uses double leval jib transmission mechanism, including sequentially connected swing rod 851, rocking bar 852, centre Bar 853 and interlocking bar 854.One end of swing rod is equipped with 83 matched sets of holes 856 of shaft, the cooperation that swing rod passes through sets of holes and shaft Fixing sleeve is loaded in shaft.Intermediate bar 853 uses three connecting rods, the rear end thereof of intermediate bar to install.One end of rocking bar 852 is hinged In the end of swing rod, the other end is articulated with the substantially intermediate position of intermediate bar.Before one end of interlocking bar 854 is articulated with intermediate bar End, the other end are connected to presser bar 82.
In the present embodiment, in order to realize the connection between interlocking bar 854 and presser bar 82, fixing sleeve is equipped on each presser bar The other end of linkage block 857, interlocking bar 854 is articulated with linkage block, to realize the connection between interlocking bar and presser bar.
Fixed seat 86 uses split structure, and fixed seat setting is multiple and is corresponded with each presser bar 82, each fixed seat On be equipped with 82 matched mounting hole 861 of presser bar, be fixed with axle sleeve in mounting hole, each presser bar passes through the cooperation with axle sleeve It is movable to be installed in corresponding fixed seat.Fixed seat is equipped with the vessel 862 for accommodating linkage block 857, and linkage block can be slided It is dynamic to be set in vessel.
In order to realize that the limit of each presser bar 82 in the circumferential, fixed seat 86 are prolonged equipped with the moving direction along presser bar 82 The limiting slot 863 stretched and be connected to accommodating chamber 862.Linkage block 857 is equipped with and the matched limit protrusion 858 of limiting slot, limit Protrusion is inserted in limiting slot, so that presser bar 82 is limited in the circumferential by the cooperation of limit protrusion and limiting slot.
In the present embodiment, the bottom end of each presser bar 82 is respectively and fixedly provided with fixed block 811, and one end of presser feet 81 is fixed by screw It is connected to fixed block, to realize the connection between presser bar.It is realized and is passed by belt wheel mechanism between motor 84 and shaft 83 Dynamic, belt wheel mechanism includes driving wheel 871, driven wheel 872, belt 873 and tensioning wheel 874, and driving wheel fixing sleeve is loaded on motor On output shaft 841, driven wheel fixing sleeve is loaded in shaft, and loaded on driving wheel and driven wheel, tensioning wheel is rotatablely installed belt sleeve In the outside of belt and it is used to that belt to be made to keep the state tightened.In order to realize that the installation of shaft 83, foot device further include solid Surely the bearing 88 being arranged, shaft are arranged in by bearing rotation on bearing, and the rear end of intermediate bar 853 is articulated with bearing and realizes rotation Installation.
Foot device further includes the control panel for regulation motor 84, and motor is electrically connected to control panel.By control panel come Control the parameters such as the start-stop time point of motor, turnning circle, velocity of rotation, convenient for according to the carrying out practically of foot device require into Row adjustment, better meets the job requirement of foot device entirety.
As shown in Figure 3, Figure 4, the utility model embodiment one additionally provides a kind of embroidery machine, including rack 9 and multiple sets In the head in rack, head includes casing 1 and needle bar frame 2, and needle bar frame can be moved back and forth relative to casing.On needle bar frame Equipped with shank 31, casing is equipped with needle bar driver 4 and the transmission shaft 15 for driving needle bar driver, on embroidery machine further includes State the foot device for embroidery machine of record.
Presser bar is completely independent operation under the action of motor relative to shank, and the stroke dead point of presser feet can be according to different Fabric is adaptively adjusted, and different compress for meeting different fabrics requires.Alleviate the negative of the transmission shaft for driving shank It carries, is conducive to the rate for improving shank operation.The action that presser feet unclamps fabric is set to lag behind the action of shank lifting reset, it can be with Extend the time that presser feet compresses fabric under single embroidery action, fabric is avoided to be shifted due to presser feet and shank synchronous reset The case where.
Fixed seat 86 uses split structure, fixed seat to be equipped with multiple and corresponded with each presser bar 82, each fixed seat Set on the outside of corresponding head transverse direction, the installation site of presser bar is rationally set using the space of head lateral sides, is avoided solid The movement of reservation and presser bar interference needle bar frame.
In the present embodiment, bearing 88 is fixed in rack 9, to make the rotation of shaft 83 be set in rack.For reasonable cloth Foot device and head are set, shaft is arranged in parallel with transmission shaft 15.
As shown in figure 5, motor 84 is fixedly mounted on by holder 91 in rack, it is additionally provided in rack and is used to support driving wheel 871 a pair of of support base 92, driving wheel is rotatably installed in by bearing on support base.It is additionally provided in rack for installing tensioning wheel 874 adjustment seat 93, tensioning wheel may be rotatably mounted in adjustment seat, and adjustment seat is bolted in rack, in adjustment seat Equipped with the matched strip-shaped hole of bolt, when bolt is unscrewed, adjustment seat is removable, so as to adjust the position of tensioning wheel, makes it Meet the requirement for adjusting belt tightness degree.
In conjunction with Fig. 4 and Fig. 6, it is all provided on each casing 1 there are two needle bar driver 4, is compressed to make foot device meet The requirement of fabric, the bottom end of every presser bar 82 are all provided with there are two presser feet 81, two presser feets on same presser bar respectively with phase It is corresponded to close to two needle bar drivers of the presser bar on adjacent head.
Specifically, set of presser bar 82, fixed seat 86 and jointed gear unit 85 are set to the outer of corresponding casing transverse direction Side and between two adjacent casings 1, fixed seat is fixed on by screw on casing.In order to avoid the installation pair of fixed seat The movement of needle bar driver causes to interfere, and fixed seat is equipped with fixed flanging 864, and fixed flanging is equipped with through-hole 865, on casing Equipped with mounting hole corresponding with through-hole, each fixed seat is using bolt by being fixed on corresponding casing to the cooperation of through-hole and mounting hole Lateral outside, and fixed seating is between adjacent casing.The presser bar 82 being arranged in fixed seat is set to adjacent two It is right positioned at the presser feet 81 in left side and the needle bar driver 4 close to the presser bar on the casing of left side on each presser bar between a casing It answers, the presser feet for being located at right side is corresponding close to the needle bar driver of the presser bar on the casing of right side.
In order to make foot device meet requirement corresponding with each needle bar driver, the left side of leftmost side casing and rightmost side machine The right side of shell be respectively provided with a presser bar 82 and with the matched fixed seat 86 of presser bar and jointed gear unit 85.In order to install The fixed seat of the leftmost side and the rightmost side, fixed there are two collateral seat 94 in rack 9, the fixed seat of the leftmost side is secured by bolts in On the collateral seat in left side, the fixed seat of the rightmost side is secured by bolts on the collateral seat on right side.
As shown in fig. 7, needle bar frame 2 is equipped with a plurality of needles bar 31, transversely spacing side by side is distributed in needle bar frame to a plurality of needles bar On.The present embodiment is illustrated so that plain embroidery head is away from for 55mm as an example, needle bar frame be equipped with six roots of sensation shank, respectively shank I 311, Shank II 312, shank III 313, shank IV 314, shank V 315 and shank VI 316.There are interference when being installed in view of head Problem needs to reserve certain surplus, and the width W of single needle bar frame 2 in the horizontal is set as 107mm.Six roots of sensation shank is equidistant On needle bar frame, the centre-to-centre spacing L between adjacent shank is 13.75mm, between shank I 311 and the left outside wall of needle bar frame between It is 19.125mm away from L1, the spacing L2 between shank VI 316 and the right outer wall of needle bar frame is also 19.125mm.Shank I and shank V Between centre-to-centre spacing S be 55mm, this two shanks combine into wardrobe away from the plain embroidery for 55mm.In between shank II and shank VI The heart is also 55mm away from S, and the conjunction of this two root knot is also into wardrobe away from the plain embroidery for 55mm.Shank III on adjacent head combine into wardrobe away from It is embroidered every head for 110mm, the shank IV on adjacent head combines also into wardrobe away from being that 110mm is embroidered every head.
It requires and embroiders to be driven every head to require to meet plain embroidery transmission, the centre-to-centre spacing between two adjacent needle bar drivers Also it is 55mm, the centre-to-centre spacing between two neighboring presser feet is also 55mm.
The top of needle bar frame 2 is equipped with upper beam 21, and the lower part of needle bar frame 2 is equipped with bottom end rail 22, on upper beam and bottom end rail Equipped with the hole passed through for each shank, it is fixed with axle sleeve in hole, each shank is installed on by the cooperation with axle sleeve on needle bar frame, and each Shank can up and down move back and forth relative to needle bar frame, and the bottom end of each shank is respectively and fixedly provided with the eedle 32 for embroidery.
As shown in figure 8, being equipped with driven member 33 on each shank, driven member, which is equipped with towards needle bar driver 4, to be protruded Convex block 331.In order to make driven member keep stablizing on shank, the needle folder being additionally provided on each shank above driven member 34.In order to enable each shank preferably to reset, the top of each shank is arranged with spring 35, and the top of each shank is fixed with limit The bottom end of screw 36, spring is butted on upper beam 21, and top is butted on stop screw.
A vertical guiding axis of axial direction 11, two needles on same head are respectively provided at left and right sides of 1 front of each casing Bar driver 4 is sheathed on respectively on two guiding axis.The front of casing upper end is equipped with upper supporting beam 12, and the bottom end of casing is equipped with down Supporting beam 13.The top of guiding axis is fixed and is inserted in supporting beam, and bottom end is fixed and is inserted in lower supporting beam, realizes guiding axis Fixed installation on casing.It is fixed on the front end face of upper supporting beam 12 and determines guide rail 17, be fixed on the trailing flank of needle bar frame 2 With the dynamic guide rail 26 for determining guide rail, determines guide rail and dynamic guide rail uses dovetail slideway structure.The lower end of guiding axis, which is equipped with, to be rolled Sliding friction between needle bar frame and casing is converted to rolling friction by bearing 14, reduces resistance suffered when needle bar frame movement.
In conjunction with Fig. 9, the front side of needle bar driver 4 be equipped with 331 matched groove 41 of convex block, be fixed on transmission shaft and be used for The first cam 51 that driving needle bar driver moves back and forth along the axial direction of guiding axis 11, the first cam are set in casing 1, and first is convex 52, three connecting rods 53 of big connecting rod and small rod 54 for passing power are equipped between wheel and needle bar driver 4.
Transmission shaft 15 is arranged in by bearing rotation on each casing, and the first cam is equipped with eccentric axis hole 511, and first is convex Wheel, loaded on transmission shaft, is fixed with the lasso for locking the first cam by axis hole eccentric bushing on transmission shaft.Casing is equipped with Axis pin 16 for installing three connecting rods 53, the rear end of three connecting rods are set on axis pin, and one end of big connecting rod 52 is sheathed on On one cam 51, the other end be articulated on three connecting rods, the front ends of three connecting rods is equipped with the length direction perpendicular to three connecting rods And to the bar axis 531 of both sides elongation moulding.One end of small rod 54 is articulated with bar the tip of the axis, and the other end is articulated with shank driving Device.When transmission shaft rotates, drive needle bar driver along guiding axis by the first cam, big connecting rod, three connecting rods and small rod Axially move back and forth, needle bar driver drives corresponding shank relative on needle bar frame by the cooperation of groove 41 and convex block 331 Lower movement.
The top of needle bar frame 2 is equipped with is equipped with fixing axle 23 with the one-to-one thread take-up tension lever 6 of each shank, the top of needle bar frame, The rear end of each thread take-up tension lever is rotatably set in the fixing axle.Fixing axle 23, which is equipped with, to be corresponded and is used with each thread take-up tension lever In the link block 24 for driving each thread take-up tension lever to swing up and down, link block is equipped with the open slot 25 of U-shaped.
Casing 1 is equipped with the taking-up frame 71 that can be swung back and forth, and the front end of taking-up frame sets the take-up rolling there are two axial level Son 72.The top of casing 1 is equipped with jackshaft 73 that is axial horizontal and being rotated relative to casing, and the rear end of taking-up frame, which is fixed, to be arranged In on jackshaft.When thread take-up tension lever is without take-up, link block corresponding with thread take-up tension lever is in lockup state, and take-up roller cannot lead to It crosses link block and drives thread take-up tension lever rotation, thus can not achieve take-up action.When needing take-up, link block is in the unlocked state, chooses Line roller can drive thread take-up tension lever to swing by link block, complete take-up action.
In order to drive taking-up frame 71 to swing back and forth by jackshaft 73, head further includes the second cam 74 and drive link 75. For second cam fixing sleeve loaded on transmission shaft 15, the second cam is equipped with the driving groove 741 of abnormity, one end fixing sleeve of drive link Loaded on jackshaft, the other end, which is equipped with, to be set to the matched roller 76 of driving groove, roller in driving groove, the other end by roller and The mating connection of driving groove is in the second cam.Second cam drives drive link movement, transmission by the cooperation of driving groove and roller Taking-up frame is driven to swing up and down by jackshaft when bar moves, taking-up frame drives the bottom on corresponding thread take-up tension lever by take-up roller It is dynamic, realize take-up in plain embroidery or when head is embroidered.
When embroidery machine carries out plain embroidery, thread take-up tension lever corresponding with shank I 311 and shank V 315 6 wears a kind of yarn of color, Thread take-up tension lever corresponding with shank II 312 and shank VI 316 wears the yarn of another color.Under initial position, same head On two take-up rollers 72 drive corresponding with shank I 311 and shank V 315 two thread take-up tension levers to swing up and down realization take-up, Shank I is respectively driven under the drive of transmission shaft 15 for two needle bar drivers 4 on same head and shank V moves up and down reality Existing plain embroidery.Motor 84 drives shaft 83 come back rotation by belt wheel mechanism, by jointed gear unit 85 when shaft carrys out back rotation It drives presser bar 82 to move up and down, presser feet 81 is driven to unclamp or compress fabric when presser bar moves up and down.When needing colour changing, shank Frame is along X-direction shown in Fig. 7 Forward L, at this point, two needle bar drivers 4 on same head are passed with shank II, shank VI respectively Dynamic cooperation, two take-up rollers 72 are inserted in respectively in the open slot of take-up rod rear end corresponding with shank II, shank VI, presser feet The axial position of bar remains unchanged.
Embroidery machine carries out when head is embroidered, and a kind of yarn of color is worn on thread take-up tension lever corresponding with shank III 313, with shank IV The yarn of another color is worn on 314 corresponding thread take-up tension levers.A needle bar driver 4 on same head is matched with the transmission of shank III When conjunction, there is spacing in another needle bar driver in the X direction with other five shanks, i.e., another needle bar driver is in zero load State.A take-up roller on same taking-up frame is inserted in the open slot 25 of take-up rod rear end corresponding with shank III, separately There is spacing in the open slot of one take-up roller and other take-up rod rear ends, i.e., another take-up roller is in zero load in the X direction State.Thread take-up tension lever swings up and down realization take-up, and needle bar driver drives shank III to move up and down reality under the drive of transmission shaft 15 Now embroidered every head.Motor 84 drives shaft 83 come back rotation by belt wheel mechanism, and shaft to pass through jointed gear unit when back rotation 85 drive presser bars 82 move up and down, and presser feet 81 is driven to unclamp or compress fabric when presser bar moves up and down.When needing colour changing, needle Bridge moves forward L in X direction, when a needle bar driver on same head coordinates with the transmission of shank IV, another needle bar driver There is spacing in the X direction with other five shanks, i.e., another needle bar driver is in light condition.On same taking-up frame One take-up roller is inserted in the open slot 25 of take-up rod rear end corresponding with shank IV, another take-up roller and other take-ups There is spacing in the open slot of rod rear end, i.e., another take-up roller is in light condition, the axial position of presser bar in the X direction It remains unchanged.
It is understood that the limit protrusion 858 in the present embodiment can be independently arranged relative to linkage block 857, that is, exist It is separately set on presser bar 82 and 863 matched limit protrusion of limiting slot.
It is appreciated that yes, the drive mechanism in the present embodiment between transmission shaft and taking-up frame can also use other rationally Structure, drive mechanism between transmission shaft and needle bar driver can also use other structures, and the structure of the above record is only Operation for illustrating head.
It is understood that the purpose of in order to realize bouncing pilotage, can be added on the head in the present embodiment for driving shank The electromagnet that driver circumferentially rotates.Driving needle bar driver to circumferentially rotate when electromagnet is powered makes groove and convex block It is staggered in the circumferential, to which the transmission realized between needle bar driver and shank detaches.When electromagnet powers off, needle bar driver is anti- It is resetted to rotation.
It is understood that the embroidery head of head with every head away from embroidering head away from being not limited to above-mentioned note in the present embodiment It carries, the spacing on same needle bar frame between the quantity of shank, the width of needle bar frame, adjacent shank is also not limited to above-mentioned note Carry, the spacing, embroidery head between the width of needle bar frame, shank away from, every head embroider head away between two guiding axis on, same head Centre-to-centre spacing between centre-to-centre spacing, the presser feet of same presser bar bottom end two can require rationally setting according to specific embroidery.Each needle Bar can also be arranged using non-equidistant mode, need to only meet under each position state corresponding shank and needle bar driver it Between transmission clutch requirement.
It is understood that " plain embroidery " in the present embodiment refers to head into wardrobe away from the embroidery for 55mm, " being embroidered every head " refers to Head is into wardrobe away from the embroidery for 110mm.
It is understood that the quantity of presser bar is set according to the reasonable quantity of head in rack in the present embodiment foot device It sets, the quantity of every presser bar bottom end presser feet is rationally arranged according to the number of needle bar driver on each head.When each head On when being respectively provided with two needle bar drivers, two presser feets are fixed in the bottom end of every presser bar, if the quantity of head is n, press The quantity of foot lever be n+1, n >=1 and be natural number.When being respectively provided with a needle bar driver on each head, every presser bar Bottom end fix a presser feet, if the quantity of head is m, the quantity of presser bar is also m, m >=1 and be natural number.
It is understood that corresponding between the rotation direction of shaft 83 and the moving direction of presser bar 82 in the present embodiment close System is not limited to above-mentioned record, can also be to drive presser bar to move down compression fabric when shaft rotates counterclockwise, turns Presser bar is driven to move up release fabric when axis rotates clockwise.
" front side " of above-mentioned each component, " front end " finger in normal work towards the side of operating personnel, one end, respectively " rear side " of component, " rear end " finger are in normal work backwards to the side of operating personnel, one end.
Embodiment two
As shown in Figure 10, it is in place of the utility model embodiment two and the difference of above-described embodiment one, when embroidery machine needs When carrying out carving hole, the eedle 32 of projection bottom end is replaced with carving hole needle 37, shank becomes the carving hole shank for carving hole 38。
In order to compress fabric when carving hole, carving hole shank is equipped with carving hole presser feet 39.In order to avoid carving hole presser feet and presser feet The presser feet 81 of 82 bottom end of bar interferes with each other at work, and the lower part of carving hole presser feet is equipped with the evacuation recess 391 for avoiding presser feet. In the present embodiment, evacuation recess is bent to form by the lower part for carving hole presser feet, and evacuation recess is rectangular in shape.
The other structures of the present embodiment two are identical as the structure described in above-described embodiment one, no longer repeat one by one.
Embodiment three
It is in place of the utility model embodiment three and the difference of above-described embodiment one, in order to improve 83 unitary rotation of shaft When synchronism and shaft bearing capacity, there are two the motor 84 of foot device is set, two motors are sequentially connected respectively in turning The both ends of axis, two motors synchronize drive shaft.
Specifically, two motors 84 are each attached in rack 9 and corresponding with the 83 of shaft both ends, two motor difference It is sequentially connected in the both ends of shaft by belt wheel mechanism.
When work, two motors synchronize drive shaft, improve synchronism when shaft unitary rotation, are conducive to improve each pressure Synchronism when foot lever moves back and forth better meets the requirement that presser feet compresses fabric.Simultaneously, moreover it is possible to improve the carrying energy of shaft Power is conducive to the operational efficiency for improving foot device entirety.
The other structures of the present embodiment three are identical as the structure in above-described embodiment one, no longer repeat one by one herein.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, the utility model should all be belonged to Range as defined in the claims.

Claims (10)

1. a kind of foot device for embroidery machine, including bottom end is equipped with the presser bar of presser feet, shaft and for drive shaft Motor, which is characterized in that further include fixed seat, presser bar is equipped with more, each presser bar be arranged in fixed seat and it is circumferential by Limit, each presser bar are sequentially connected in shaft, and shaft is rotated by motor and drives each presser bar by transmission mechanism It is mobile to realize that presser feet compresses or unclamp fabric.
2. foot device according to claim 1, which is characterized in that the fixed seat is equipped with along presser bar moving direction The limiting slot of extension, presser bar be equipped with the matched limit protrusion of limiting slot, limit protrusion, which is inserted in limiting slot, makes presser feet Bar is limited in circumferential direction.
3. foot device according to claim 1, which is characterized in that the foot device further includes being set to presser bar and turning Jointed gear unit between axis and for realizing transmission, jointed gear unit include the swing rod, rocking bar, intermediate bar set gradually And interlocking bar, swing rod fixing sleeve are set in shaft, and the both ends of rocking bar are connected to swing link end part and intermediate bar, and the one of intermediate bar End rotation setting, the other end are connected to interlocking bar, the both ends of interlocking bar are connected to intermediate bar and presser bar, and shaft is turned round Presser bar is driven to move back and forth relative to fixed seat by swing rod, rocking bar, intermediate bar and interlocking bar when dynamic.
4. foot device according to claim 3, which is characterized in that fixing sleeve is equipped with linkage block, connection on the presser bar One end of lever is connected to the connection of linkage block realization and presser bar, and linkage block is equipped with limit protrusion, and fixed seat is equipped with edge Presser bar moving direction extend and with the matched limiting slot of limit protrusion, limit protrusion is inserted in limiting slot so that presser bar It is circumferential to be limited.
5. according to claim 1-4 any one of them foot devices, which is characterized in that there are two the motor is set, and two Motor is sequentially connected respectively in the both ends of shaft, and two motors synchronize drive shaft rotation.
6. a kind of embroidery machine, including rack and multiple heads in rack, head includes casing and needle bar frame, and needle bar frame can It is moved back and forth relative to casing, needle bar frame is equipped with shank, and casing is equipped with needle bar driver and for driving shank to drive The transmission shaft of dynamic device, which is characterized in that the embroidery machine further includes that the claims 1-5 any one of them is used for embroidery machine Foot device.
7. embroidery machine according to claim 6, which is characterized in that the fixed seat be equipped with it is multiple and with each presser bar one by one Corresponding, each fixed seat is set to the outside of head transverse direction.
8. embroidery machine according to claim 7, which is characterized in that it is all provided on each head there are two needle bar driver, The bottom end of each presser bar is all provided with there are two presser feet, two presser feets on same presser bar respectively on adjacent head close to presser bar Two needle bar drivers correspond to.
9. embroidery machine according to claim 6, which is characterized in that the shank includes carving hole shank, carves and is set on the shank of hole There are carving hole presser feet, carving hole presser feet to be equipped with the evacuation recess for avoiding presser feet.
10. according to claim 6-9 any one of them embroidery machines, which is characterized in that the motor is set in rack, and shaft turns It is dynamic to be set in rack and be arranged in parallel with transmission shaft.
CN201820335244.9U 2018-02-11 2018-03-12 A kind of foot device and embroidery machine for embroidery machine Active CN207958713U (en)

Applications Claiming Priority (2)

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CN201820247796 2018-02-11
CN2018202477964 2018-02-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110592836A (en) * 2019-08-26 2019-12-20 诸暨市顺达机械制造有限公司 Presser foot transmission member of embroidery machine and presser foot transmission device using same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110592836A (en) * 2019-08-26 2019-12-20 诸暨市顺达机械制造有限公司 Presser foot transmission member of embroidery machine and presser foot transmission device using same
CN110592836B (en) * 2019-08-26 2021-06-29 诸暨市顺达机械制造有限公司 Presser foot transmission member of embroidery machine and presser foot transmission device using same

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Address after: 311800 No. 537 Huandong Street and East Road, Zhuji City, Shaoxing City, Zhejiang Province

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Address before: 311800 No. 537 Huandong Street and East Road, Zhuji City, Shaoxing City, Zhejiang Province

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