CN205035590U - Variable gauge needle of sweater fabric coil is automatic to shift sewing machine to mesh - Google Patents
Variable gauge needle of sweater fabric coil is automatic to shift sewing machine to mesh Download PDFInfo
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- CN205035590U CN205035590U CN201520769005.0U CN201520769005U CN205035590U CN 205035590 U CN205035590 U CN 205035590U CN 201520769005 U CN201520769005 U CN 201520769005U CN 205035590 U CN205035590 U CN 205035590U
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Abstract
The utility model relates to a variable gauge needle of sweater fabric coil is automatic to shift sewing machine to mesh, including shifting faller, push pedal, the butt joint of transfer needle groove pin unit, linking machine or groove pin board, shifting the faller and locating linking machine tangential one side or the flat one side of going of groove pin, linking machine dial revolution moves a groove pin gauge needle or the every sideslip of a groove pin board groove pin gauge needle, then shifts the faller and shifts needle gauge needle along tangential or sideslip direction synchronous motion no. 1, and the groove pin gauge needle who shifts on the groove pin gauge needle inclusive AND groove pin board on needle gauge needle and the linking machine can be the same or inequality, shift needle groove pin butt joint unit and locate the transfer needle top or the below of shifting needle and groove pin butt joint department to act on to shift and make its deformation on the needle and dock with the groove pin, position department is docked above locating and shifting needle groove pin butt joint unit to the push pedal, shifts needle and the every motion monogamy gauge needle of groove pin, is then synchronously shifting and is doing reciprocating motion one time between faller and the linking machine inclusive AND groove pin board, will shift on the extremely corresponding groove pin of coil propelling movement on the needle. The advantage has improved to sew up efficiency and quality.
Description
Technical field
The utility model relates to weaving machinery, is specifically related to the variable needle gage of sweater fabric coil automatically to order transfer sewing machine.
Background technology
Its garment piece of sweater braided fabric and collar and annex are separately braidings, are then sewed up by sewing machine, need woven collar and annex to transfer on sewing machine before stitching.
At present for the collar woven by braiding flat-bed machine and annex being transferred to the general method adopting craft on sewing machine, because collar and annex generally adopt the dense skill of handling needles to weave, the coil that therefore will shift is many and intensive, it is not competent that non-ocular operates well careful people, and operating efficiency is subject to the capabilities limits of operating personnel, once the operating time grown, even if also may dropped stitch be there is in operation expert good again, therefore with the transfer manually completing described coil in efficiency with all can not reach high requirement qualitatively, and employment cost is high.
Summary of the invention
The purpose of this utility model is to provide the variable needle gage of sweater fabric coil automatically to order transfer sewing machine, and low with the method efficiency solving the transfer of fabric coil employment work, quality can not ensure, and the problem that cost is high.
Above-mentioned purpose is achieved by the following technical solution:
The variable needle gage of sweater fabric coil to order transfer sewing machine, comprising automatically:
Along the uniform groove pin of dials and the sewing machine rotated or do traversing groove pin plate, to receive the coil of transfer along the uniform groove pin of needle plate;
Transfer needle plate, be evenly equipped with some front ends and be provided with groove and the transfer pin of the flexible elastic deformation of shank, be arranged at the tangential position of sewing machine dials side or the parallel position of groove pin plate side, sewing machine dials often rotates a groove pin needle gage or a groove pin plate often traversing groove pin needle gage, then along described tangential or synchronous with groove pin plate parallel direction traversing one shift pin needle gage, shift pin needle gage and the groove pin needle gage on sewing machine or can be identical or not identical with the groove pin needle gage on groove pin plate;
Transfer needle tray is for order unit, be arranged on transfer pin and described groove pin docking location place transfer pin above or below, and act on the transfer pin moving to this position, transfer pin is Bending Deformation by active force, and front groove contains corresponding described groove pin needle point and transfer pin is docked with corresponding described groove pin;
And push pedal, be arranged on transfer pin and transfer needle tray for above order unit and correspond to described docking location place, transfer pin and the groove pin on sewing machine or often to move a corresponding needle gage with the groove pin on groove pin plate, then synchronously transfer needle plate and sewing machine or and groove pin plate between do a reciprocating motion, return initial position after coil on transfer pin is pushed into corresponding groove pin, prepare the reciprocating motion of next needle gage.
Further, described transfer needle tray is magnetic chuck for order unit, transfer pin front end on transfer needle plate is positioned at the top of groove pin on sewing machine or groove pin plate, described magnetic chuck is arranged on below the transfer pin at described docking location place, to the transfer pin absorption laterally moving to magnetic chuck, transfer pin is bent downwardly deformation, and front end is dropped on groove pin needle point and docks with groove pin, or transfer needle tray is pressing plate for order unit, described pressing plate is arranged on above or below transfer pin, the first pressing plate be arranged on above transfer pin is positioned at docking location place, transfer pin front end on transfer needle plate is in the top of groove pin on sewing machine or groove pin plate, first pressing plate is suppressed downwards the transfer pin laterally moving to pressing plate place, transfer pin is bent downwardly deformation, front end is dropped on groove pin needle point and docks with groove pin, the second pressing plate be arranged on below transfer pin is positioned at side, docking location place, transfer pin front end on transfer needle plate flushes substantially with the upper end of groove pin on sewing machine or groove pin plate, second pressing plate is upwards suppressed the transfer pin laterally moving to pressing plate place, transfer pin is bent upwards deformation, front end is higher than groove pin, transfer pin continues transverse shifting and departs from pressing plate compacting, fall after rise in docking location place front end elasticity and dock with groove pin on groove pin needle point, or transfer needle tray is moving runner for order unit, transfer pin front end on transfer needle plate flushes substantially with the upper end of groove pin on sewing machine or groove pin plate, described moving runner is arranged on below the transfer pin of side, described docking location place rotationally, to the traversing transfer pin compacting upwards to moving runner place, transfer pin is bent upwards deformation, front end is higher than groove pin, and transfer pin continues the compacting of traversing disengaging moving runner, falls after rise dock with groove pin on groove pin needle point in docking location place front end elasticity.
Further, above-mentioned magnetic chuck or the first pressing plate are after transfer pin docks with groove pin, keep being at least a transfer pin needle gage to the width of transfer pin effect, ensure that transfer pin and groove pin have enough docking times, guarantee that push pedal was pushing and returning initial position whole process transfer pin to coil all can not be upspring, coil is reliably passed on groove pin exactly.
In order to make moving runner act on transfer pin better, described moving runner be circumferentially evenly provided with needle tray, the slot pitch of needle tray is identical with transfer pin needle gage, and a transfer pin often traversing transfer pin needle gage
,moving runner rotates a needle tray slot pitch, and moving runner is acted on transfer pin by needle tray.
The adsorption plane of described magnetic chuck is set to plane or neither level ladder plane.Preferably, the ladder plane of described differing heights is also formed by connecting layer of non-magnetic material on the part magnetic face of magnetic chuck, forms high non magnetic ladder plane and low magnetic ladder plane.Originally shift pin to be relied on relative magnetism sucker in higher non magnetic ladder plane move by absorption, enough flexural deformation can not be produced dock with groove pin, when shifting out from non magnetic ladder plane, be subject to the attraction of low magnetic ladder plane powerful magnetic force, the distortion of transfer pin front curvature is docked with groove pin, and the step utilizing layer of non-magnetic material to be formed thus is located accurately to transfer pin and groove pin docking location.
Described push pedal comprises at least one deck elastic plate or non-resilient plate, and described elastic plate is the plate being acted on coil on transfer pin and transfer pin by elastic deformation flexibly.
Coil can be pushed against better to make push pedal, when described push pedal width is at least two transfer pin needle gages, push pedal front end be ladder width according to transfer pin needle gage and stretch out forward successively by sideslip direction stepped, or for by the transfer needle plate sideslip direction inclined plane shape that stretches out of forward end gradually.
Further, the reciprocating motion of described push pedal comprise push pedal back and forth in the first reciprocating motion of the first impulse stroke and the first backstroke and plate back and forth in the second reciprocating motion of the second impulse stroke and the second backstroke; First reciprocating motion of push pedal is by the first reciprocating mechanism transmission, and the second reciprocating motion of push pedal is by the second reciprocating mechanism transmission.
Further, described first impulse stroke push pedal is moved to groove pin by the initial position shifting pin, and described first backstroke push pedal is moved to transfer pin initial position by groove pin;
Further, described second impulse stroke push pedal to be moved to groove pin by shifting pin initial position and to do with the traversing compound motion of transfer needle plate simultaneously, and described second backstroke push pedal is moved by groove pin to transfer pin initial position and does the compound motion with described traversing opposite direction movement simultaneously.
Further, described first reciprocating mechanism comprises fork, slide block, slide rail, trundle and chute, described fork is rotationally connected with in the frame of sewing machine, described slide block connects push pedal and is placed in slide rail slidably, and the swinging end of fork is connected by trundle and slide with slide block.
Further, described second reciprocating mechanism comprises eccentric wheel, connecting rod, centering block, first fork, at least two second forks, connecting rod, spring, end face is provided with the eccentric wheel of cam surface and output shaft that is rotatable and that slide, at least two second forks be arranged in parallel and the hinged described connecting rod in lower end, described push pedal is fixed on connecting rod, connecting rod one end is hinged on eccentric eccentric side, the other end is connected with one end of centering block, one end of the centering block other end and the second fork to connect on one end of one second fork and with output shaft rotation at output shaft, second fork and the first fork are arranged on the side that eccentric wheel is provided with cam surface rotationally, and this first fork one end is suppressed by spring, first fork two ends are touched respectively lean against on an end face of eccentric cam surface and centering block.
Further, when described transfer needle plate is in the parallel position of the tangential position of sewing machine side or groove pin plate side, on transfer pin and sewing machine, on groove pin or groove pin plate, the angle β of groove pin is: 0 °≤β≤60 °.
The utility model advantage: the utility model solves the difficult problem transferred to by fabric in the past and sewing machine can only be done manually, drastically increase the transfer efficiency of fabric transfer when fabric is sewed up, and the structure of whole sewing machine is simple, cost is low, the utility model is shifting in formulated technical scheme for solving fabric automatically, a groove pin needle gage or a groove pin plate often traversing groove pin needle gage is often rotated by sewing machine dials, transfer needle plate is a traversing transfer pin needle gage mode synchronously, make transfer pin needle gage and the groove pin needle gage on sewing machine or can be identical or not identical with the groove pin needle gage on groove pin plate, the coil be very easy between transfer needle plate and sewing machine or groove pin plate shifts, make transfer needle plate that is identical or not same needle distance and dials can carry out coil easily to shift order, capture sweater industry and sew up a difficult problem, have employed transfer needle plate and sewing machine in technical solutions of the utility model or to be often synchronized with the movement a corresponding needle gage with groove pin plate, push pedal simultaneously between transfer needle plate and sewing machine or and groove pin plate between carry out a reciprocating motion, coil one pin one pin is passed on groove pin by transfer pin, coil is shifted accurately reliable, there will not be dropped stitch, for ensureing coil transfer accurately and reliably, the utility model adopts deformation holding unit, ensure that transfer pin has the enough flexural deformation time, thus make transfer pin and groove pin reliably can be passed groove pin from shifting pin at docking operation coil, pin can not resilience causes coil to come off because of push pedal retrogressing in period transfer, for coil transfer in high quality provides guarantee, in the utility model, multidirectional reciprocating compound motion body is carried out in push pedal, and drives push pedal to make the reciprocating reciprocating mechanism of this compound can to adopt a power drive, and structure is simple, and practical and motion accurately and reliably.
Accompanying drawing explanation
Fig. 1 be the utility model the first automatically to order transfer sewing machine plan structure schematic diagram.
Fig. 2 is the right view of the sewing machine of transfer shown in Fig. 1.
Fig. 3 is that the groove of transfer pin front end holds groove pin needle point schematic diagram (shift pin in figure and do not draw diastrophic state).
Fig. 4 is the structural representation of magnetic chuck; Wherein a figure is that ladder plane is formed by connecting layer of non-magnetic material; The magnetic chuck of b figure to be adsorption plane be plane; Magnetic chuck upper end is directly designed to ladder planar condition by c figure.
Fig. 5 is placement location and the structural representation of pressing plate, and wherein a figure is the placement location schematic diagram of the first pressing plate be positioned over above transfer pin; B figure is the first pressure plate structure schematic diagram; C figure is the placement location schematic diagram of the second pressing plate be positioned over below transfer pin, and d figure is the second pressure plate structure schematic diagram.
Fig. 6 is the schematic diagram that moving runner acts on transfer pin.
Fig. 7 is the left view that moving runner shown in Fig. 6 acts on transfer pin schematic diagram.
Fig. 8 is a kind of plate pushing structure schematic diagram.
Fig. 9 is another kind of plate pushing structure schematic diagram.
Figure 10 is the partial enlarged drawing of sewing machine shown in Fig. 1, and push pedal is wherein made up of two-layer elastic sheet.
Figure 11 is a kind of structural representation of combined type reciprocating mechanism.
Figure 12 is the right view of the reciprocating mechanism shown in Figure 11.
Figure 13 is a kind of structural representation of superposing type reciprocating drive mechanism.
Figure 14 is the structural representation of the superposing type reciprocating drive mechanism adopting gear, tooth bar reciprocating device.
Figure 15 is the A direction view of the reciprocating drive mechanism of superposing type shown in Figure 14.
Figure 16 is that push pedal moves reciprocatingly initial position.
Figure 17 be push pedal in the front travel moved reciprocatingly, push pedal front end compacting transfer pin situation.
Figure 18 be push pedal in the front travel moved reciprocatingly, the coil on transfer pin is pushed to the situation of groove pin by push pedal.
Figure 19 is the structural representation of transmission push pedal along reciprocating first reciprocating mechanism transmission one embodiment in transfer pin direction.
Figure 20 is that the utility model the second is automatically to the structural representation of order transfer sewing machine.
In figure: 1-shifts needle plate, 11-shifts pin, 111-shifts the groove of pin shank front end, 112-shifts the installation portion on pin, 2-sewing machine, 21-groove pin, 22-dials, 3-push pedal, 31, 32-elastic plate, 4-shifts needle tray for order unit, 41-magnetic chuck, non-magnetic surface on 411-magnetic chuck, magnetic face on 412-magnetic chuck, 42-first pressing plate, 43-moving runner, 431-moving runner needle tray circumferentially, 45-second pressing plate, 5-second reciprocating mechanism (superposing type), 51-shifts pin direction reciprocator, 511-shifts pin direction rail plate, 512-shifts pin direction gear, 513-shifts pin direction tooth bar, transfer pin direction slide block 514, 515-motor, 52-shifts needle plate sideslip direction reciprocator, 521-shifts needle plate sideslip direction guide rail, 522-shifts needle plate sideslip direction slide block, 523-shifts needle plate sideslip direction tooth bar, 524-shifts needle plate sideslip direction gear, 525-motor, 6-second reciprocating mechanism, 60-eccentric wheel, the eccentric cam surface of 601-, 61-connecting rod, 62-centering block, 621-centering block end face, 63-first fork, 631-bearing, 64-spring, 65-output shaft, 66-second fork, 7-first reciprocating mechanism, 71-fork, 711-is arranged on the chute on this fork 71, 72-slide block, 721-sells, 8-sewing machine frame.
Detailed description of the invention
The utility model relates on sewing machine that to be transferred to order by the fabric be on transfer needle plate and rotate, or transfer on the groove pin plate that laterally moves, that is: the coil on the transfer pin of transfer needle plate is transferred on the groove pin of sewing machine, or transfer on the groove pin of groove pin plate.Therefore the utility model contains two kinds and automatically can shift sewing machine to order by needle space changable.
As Fig. 1-3, be of the present utility model the first can needle space changable automatically to order transfer sewing machine, comprise sewing machine 2, transfer needle plate 1, push pedal 3 and transfer needle tray for order unit 4.Sewing machine 2 have rotation dials 22 and along the uniform groove pin 21 of dials, transfer needle plate 1 is arranged at the tangential position place (the τ position shown in Fig. 1) of sewing machine dials 22 side, and can along this tangential direction transverse shifting, be provided with some parallel uniform transfer pins 11, this transfer pin 11 front end is provided with groove 111 and the flexible elastic deformation of shank, the transfer pin 11 be loaded on transfer needle plate 1 is generally greater than 0 ° with the angle β of groove pin 21 on sewing machine, but is not more than 60 °.Transfer needle tray is arranged on above or below the transfer pin 11 at transfer pin 11 and described groove pin 21 docking location place for order unit 4, that is above or below the transfer pin 11 at the τ of tangency location shown in figure place, and push pedal 3 is arranged on above above-mentioned docking unit 4 and correspond to described docking location place, the τ position namely in figure.
The rotation of the dials 22 of sewing machine 2 and the transverse shifting of transfer needle plate 1 are synchronous, that is: the dials 22 of sewing machine 2 often rotates a groove pin needle gage, transfer needle plate 1 synchronous horizontal moves a transfer pin needle gage, groove pin needle gage can be identical or not identical with transfer pin needle gage, and this makes transfer needle plate that is identical or not same needle distance and dials can carry out coil easily to shift order.When sewing machine 2 and transfer needle plate 1 synchronously carry out rotations and transverse shifting, push pedal 3 is carried out with the rotation of sewing machine 2 and is shifted the synchronous reciprocating motion of the transverse shifting beat of needle plate 1, to be pushed on groove pin 21 by the coil shifted on pin 11.That is: sewing machine 2 dials 22 often rotates groove pin 21 needle gage, transfer needle plate 1 synchronously traversing one transfer pin 11 needle gage time, push pedal 3 synchronously dials 22 and transfer needle plate 1 between do a reciprocating motion.Before push pedal 3 carries out propelling movement action to the coil on transfer pin 11, need transfer pin 11 is docked with groove pin 21, docking is by shifting needle tray for the effect of order unit 4 to transfer pin 11, making its shank flexural deformation, allow its front groove 111 contain corresponding groove pin 21 needle point and realize.This transfer needle tray can be pressing plate 42 or magnetic chuck 41 for order unit 4, acts on respectively and be in the transfer pin 11 of this position above or below described docking location (i.e. tangency location τ).As Fig. 3, transfer pin 11 has can the shank of elastic bending deflection, shank front end is provided with groove 111 for holding the needle point of groove pin 21 front end on sewing machine 2, rear end is 90 ° of bendings, form installation portion 112, for being arranged on transfer needle plate 1, when transfer pin 11 is arranged on transfer needle plate 1, groove 111 is positioned at the lower end of transfer pin 11 front portion, can be included on groove pin 21 needle point of below with the front end groove 111 when flexural deformation.
Transfer needle tray acts on transfer pin 11 except making it and being out of shape for order unit 4, also to keep certain deformation time, to make two for after connecing, push pedal has enough time to carry out pushing away circle action, be therefore no matter magnetic chuck 41 or pressing plate 42 its be not less than 1 transfer pin needle gage at the width of sideslip direction.For order unit, such transfer needle tray ensure that transfer pin has enough deformation time, make it there are enough docking times with groove pin, guarantees that push pedal is upspringing to coil passing process transfer pin, makes coil reliably be pushed to exactly on groove pin.
As Fig. 4 a, transfer needle tray adopts the situation of magnetic chuck 41 for order unit 4.Under this kind of situation, transfer pin 11 front end be on the transfer needle plate 1 of sewing machine 2 side is positioned at the top of groove pin 21 on sewing machine, the structure of the magnetic chuck 41 in figure is preferred schemes, there is the ladder plane of differing heights, and the ladder plane of differing heights connects layer of non-magnetic material to form high non-magnetic surface 411 and low magnetic face 412 on magnetic chuck, and the position a of ladder is placed in transfer pin 11 and groove pin 21 joint.Originally, magnetic chuck 41 is adsorbed transfer pin 11 by layer of non-magnetic material 411, its front portion is relied on high non-magnetic surface 411 by direction of arrow transverse shifting in figure, when running to the position a of ladder, without the obstruct of layer of non-magnetic material 411, the powerful magnetive attraction that transfer pin 11 front end is subject to low magnetic face 412 attracts, and be bent downwardly distortion, front end is dropped on the groove pin needle point on correspondence position, and dock with groove pin 21, after docking, magnetic chuck 41 continues to keep the suction-operated to transfer pin 11, make transfer pin 11 along the width of magnetic face 412 transverse shifting at least transfer pin needle gage, namely the a-b section shown in Fig. 4, that is the width of magnetic chuck 41 maintenance effect is at least one transfer pin needle gage, the magnetic face 412 of magnetic chuck 41 is thrown off behind transfer pin 11 to b position, and spring back to c position.Therefore the step that layer of non-magnetic material is formed can be located accurately to the docking location of transfer pin and groove pin, thus ensure that the accuracy that the utility model sewing machine moves.
In addition, the adsorption plane of magnetic chuck 41 can be designed as plane, as Fig. 4 b, transfer pin 11 runs to docking location place, and by magnetic chuck 41 suction, flexural deformation is docked with groove pin, its front portion is dropped on a position of magnetic chuck 41 end, the width of at least one transfer pin needle gage traversing throws off the magnetic face 412 of magnetic chuck 41 to b position afterwards, and springs back to c position.In addition, also directly the upper end of magnetic chuck 41 can be designed to ladder plane, as Fig. 4 c, its course of work is identical with the magnetic chuck that connection layer of non-magnetic material forms ladder plane, but does not have it effective.
As Fig. 5, transfer needle tray adopts one of situation of pressing plate for order unit 4, see Fig. 5 a, first pressing plate 42 is arranged on the top of transfer pin 11 and is positioned at docking location place, its structure is as Fig. 5 b, lower surface is made up of plane and trapezoidal faces, the front end of the transfer pin 11 on transfer needle plate is in the top of groove pin on sewing machine, transfer pin 11 is along direction of arrow transverse shifting shown in Fig. 5 b, its front portion enters the upper plane of the first pressing plate lower end successively, when running to a position, end of plane on this, start to enter downward inclined-plane, transfer pin 11 is subject to the first pressing plate 42 and suppresses, start to be bent downwardly distortion, maximum compacting is produced when the b position of lower end, inclined-plane, diastrophic transfer pin 11 front end is made to drop on the needle point of groove pin 21, and dock with groove pin 21, enter the lower plane (press face) of the first pressing plate 42 lower end afterwards, this press face continues to keep the compacting to transfer pin 11, make transfer pin 11 along the width of press face transverse shifting at least the transfer pin needle gage of pressing plate 42, namely the width of maintenance effect is at least one transfer pin needle gage, b-c section shown in Fig. 5, the resilience after the compacting of throwing off pressing plate 42 of transfer pin 11 resets.
Transfer needle tray adopts the situation two of pressing plate for order unit 4, see Fig. 5 c, 5d, under this kind of situation, the second pressing plate 45 adopted be arranged on transfer pin below and be positioned at side, docking location place, its structure as shown in Figure 5 c, for trapezoidal, transfer pin front end on transfer needle plate flushes substantially with the upper end of groove pin on sewing machine, transfer pin 11 is along direction of arrow transverse shifting shown in Fig. 5 c, its front portion enters the upper end of the second pressing plate 45 successively, be subject to the upwards compacting of upwards beveled end a-b until arrive maximum compacting point b, transfer pin is bent upwards deformation, front end is higher than groove pin, second pressing plate 45 keeps the c position, end of the supreme transverse plane of maximum compacting to transfer pin 11, transfer pin 11 continues transverse shifting, to lower inclined plane, the compacting shifting pin 11 is reduced gradually, until depart from the second pressing plate 45, and no longer suppressed, shift the falling of pin 11 front elastic at docking location place τ to dock with groove pin on groove pin needle point.
As Fig. 6, transfer needle tray adopts the situation of moving runner 43 for order unit 4, under this kind of situation, transfer pin front end on transfer needle plate flushes substantially with the upper end of groove pin on sewing machine, moving runner 43 is arranged on below the transfer pin at transfer pin 11 and groove pin docking location place rotationally, as Fig. 7, moving runner 43 rotates along the direction of arrow shown in figure.It is circumferentially evenly provided with needle tray 431, transfer needle plate 1 transverse shifting along the direction of arrow in the figure, transfer pin 11 front portion touches moving runner 43 successively, and the slot pitch of needle tray 431 (two adjacent needle trays are arc A folded by transfer pin center, docking location place) is identical with transfer pin needle gage, and the every transverse shifting one of transfer pin shifts pin needle gage, moving runner rotates a needle tray slot pitch.Therefore, the compacting upwards successively of needle tray corresponding to moving runner 43 upper end that the transfer pin 11 of transverse shifting is rotated, produce Bending Deformation upwards, make transfer pin front end higher than groove pin, transfer pin continues transverse shifting and departs from moving runner compacting, at docking location place, its front end elasticity falls after rise on groove pin needle point, that the groove of front lower ends contains groove pin needle point and make it to dock with groove pin.
As Fig. 8, when push pedal 3 is at least two transfer pin needle gages along the width of sideslip direction, push pedal front end for be ladder width according to transfer pin needle gage and stretch out forward successively by transverse shifting direction (in figure the direction of arrow) stepped, also can be set as by the transfer needle plate 1 transverse shifting direction inclined plane shape that stretches out of forward end gradually, as Fig. 9.
As Figure 10, be a preferred plate pushing structure, in this embodiment, push pedal 3 is made up of two-layer elastic plate 31,32, as long as elastic plate 31,32 designs enough thin, such as, uses the steel plate that 0.3mm is thick, exerts a force a little, this steel plate will produce elasticity of flexure distortion; For multilayer elastic plate, often descend the front end of the plate of one deck to lag behind the front end of last layer plate from top to bottom, make the different parts of every slab effect coil on transfer pin, make the passing of push pedal to coil more reliable.Therefore the front end of second layer elastic sheet 32 slightly lags behind the front end of ground floor elastic sheet 31, is acted on transfer pin 11 by the elastic deformation of push pedal 3 flexibly, by the fabric coil pushing and pressing to corresponding groove pin 21 on transfer pin 11.As shown in Figure 2, push pedal 3 one deck non-elastic material plate makes, and this push pedal 3 acts on transfer pin 11 by the non-resilient plate of one deck, is passed on corresponding groove pin 21 by the coil on transfer pin.As above-mentioned multilayer elastic plate forms push pedal 3, the non-resilient plate of available multilayer forms push pedal 3, and it is the same that it forms structure, repeats no more here.
Push pedal 3 be arranged on transfer pin and transfer needle tray for above order unit and correspond to described docking location place, transfer pin and the groove pin on sewing machine or often to move a corresponding needle gage with the groove pin on groove pin plate, then synchronously transfer needle plate and sewing machine or and groove pin plate between do a reciprocating motion, initial position is returned, to prepare the reciprocating motion of next needle gage after coil on transfer pin is pushed into corresponding groove pin.The motion of push pedal by the transmission mechanism transmission of correspondence, according to the different motion track of push pedal by different transmission mechanism transmissions.
Figure 11, 12 give transmission push pedal makees reciprocating second reciprocating mechanism 6 of compound, this reciprocating mechanism comprises the eccentric wheel 60 that end face is provided with cam surface, connecting rod 61, centering block 62, first fork 63, second fork 66, connecting rod 67, spring 64 and output shaft 65, power is rotated by the rotating shaft band movable eccentric wheel 60 of eccentric wheel 60, connecting rod 61 one end is hinged on the eccentric side of eccentric wheel 60 by spherical hinge, the other end is rotationally connected by one end of pivot pin and centering block 62, centering block 62 other end is then connected on output shaft 65, and together rotate with this output shaft 65, output shaft 65 is rotatable and can be bearing in (not shown) in corresponding dead eye axially slidably, first fork 63 is arranged on the side that eccentric wheel 60 is provided with cam surface, and be hinged in the middle part of the first fork 63 and be connected in sewing machine frame 8, two ends are touched respectively and are leaned against on an end face 621 of eccentric cam surface 601 and centering block 62, in order to reduce the friction of touching when leaning on, the two ends of the first fork 63 arrange bearing 631 respectively, touched by bearing 631 and lean against on eccentric cam surface 601.Spring 64 makes the end face 621 on centering block 62 tightly touch the lower end leaning against the first fork 63, the upper end of the first fork 63 is tightly touched and leans against on the cam surface 601 of eccentric wheel 60.When eccentric wheel 60 rotates, due to the transmission of eccentric throw and connecting rod 61, centering block 62 rotates according to the axial line of output shaft 65, thus drives output shaft 65 to rotate.Two second forks 66 be arranged in parallel and lower end articulated linkage 67(see Fig. 2,10), wherein the upper end of one second fork 66 connects output shaft 65, push pedal 3 is fixed on connecting rod 67, and output shaft 65 rotates drive second fork 66 and swings, and makes push pedal 3 do reciprocal translation and moves.And the rotation of output shaft 65 is driven by connecting rod and centering block 62 by eccentric wheel 60, the rotation of eccentric wheel 60 also promotes the first fork 63 by cam surface 601 and rotates around pin joint, the lower end promotion centering block 62 of the first fork 63 and output shaft 65 left side shaft move, spring 64 makes output shaft 65 return to the right, like this, output shaft 65 does axial moving back and forth, and is connected to the second fork 66 on output shaft 65 and moves with the axial reciprocating of output shaft 65, namely do moving back and forth of transfer needle plate 1 transverse shifting direction.
Second reciprocating mechanism 6, push pedal 3 is made only to need a powered belt movable eccentric wheel 60 when not only doing transfer pin direction but also the multi-direction compound motion in the direction that laterally moves, just can complete required multidirectional compound motion, decrease motor usage quantity, reduce manufacturing cost, the simultaneously simple and motion of mechanism structure accurately and reliably.
Second reciprocating mechanism of the present utility model can also make a kind of superposing type reciprocating mechanism 5 as shown in fig. 13 that, this motion forms by shifting pin direction reciprocator 51 and shifting needle plate transverse shifting direction reciprocator 52, push pedal 3 is connected with transfer pin direction reciprocator 51, and shift pin direction reciprocator 51 be arranged on transfer needle plate transverse shifting direction reciprocator 52 on, such push pedal 3 also laterally moves with transfer needle plate the reciprocating motion in direction (perpendicular to paper direction) while do the transfer pin 11 direction reciprocating motion motion of double-head arrow direction (in the figure) with transfer pin direction reciprocator 51, namely along the reciprocating motion of guide rail 521.
A kind of superposing type reciprocating mechanism shown in Figure 13, adopt gear, tooth bar reciprocator, its structure is as shown in Figure 14,15.Wherein shift needle plate transverse shifting direction reciprocator 52 and comprise transfer needle plate transverse shifting traversing guide 521, transfer needle plate transverse shifting direction slide block 522, the transfer needle plate transverse shifting direction tooth bar 523 being arranged on transfer slide block 522 side, needle plate transverse shifting direction and the gear 524 be meshed therewith, transfer needle plate transverse shifting direction gear 524 is driven by motor 525, transfer needle plate transverse shifting traversing guide 521 and motor 525 are arranged on a support 50 of fixing sewing machine 2, the end face that transfer needle plate laterally moves all traversing guides 521 is swallow-tail form, transfer needle plate transverse shifting direction slide block 522 is slidably connected on transfer needle plate transverse shifting traversing guide 521 by corresponding dovetail groove, and the movement in transfer needle plate 1 transverse shifting direction is done along transfer needle plate transverse shifting traversing guide 521.And shift pin direction reciprocator 51 and comprise transfer pin direction gear 512, transfer pin direction tooth bar 513 and the transfer pin direction rail plate 511 be slidably connected in the corresponding chute of transfer needle plate transverse shifting direction slide block 522, transfer pin direction gear 512 is driven by the motor 515 be fixed on transfer pin direction slide block 514, when shifting pin direction gear 512 and rotating, transfer pin direction tooth bar 513 by with this gear engage the movement done and shift pin 11 direction, the movement in transfer pin direction is done in the push pedal 3 being connected to transfer tooth bar 513 upper end, pin direction thereupon, and do the motion of transfer needle plate transverse shifting direction with transfer needle plate transverse shifting direction slide block 522.
When sewing machine 2 and transfer needle plate 1 synchronously carry out rotation and transverse shifting, push pedal 3 is carried out with the rotation of sewing machine 2 and is shifted the synchronous reciprocating motion of the transverse shifting beat of needle plate 1.That is: sewing machine dials 22 often rotates a groove pin needle gage, and when transfer needle plate 1 synchronous horizontal moves a transfer pin needle gage, a reciprocating motion is synchronously done in push pedal 3.Push pedal 3 reciprocating motions comprise to move from transfer initial position to groove pin and to do the second impulse stroke of the compound motion with transfer needle plate transverse shifting simultaneously, and push pedal is moved by groove pin to transfer pin initial position and does the second backstroke with the compound motion of described transverse shifting opposite direction movement simultaneously.Push pedal 3 is in impulse stroke, first transfer pin 11 is pressed to, as Figure 16, when pressure contacts transfer pin 11, shank produces downward elastic bending deflection, and held by the magnetic chuck 41 of below, now shift the needle tip that pin 11 upper groove 111 just in time contains groove pin 21 corresponding with this transfer pin 11 on sewing machine 2, transfer pin 11 and groove pin 21 is made to realize two pin smooth connections, as Figure 17, continue the push pedal 3 moved ahead, the fabric coil 9 on transfer pin 11 is pushed into completely without barrier on the groove pin 21 docked with this transfer pin 11, as Figure 18, stroke of finishing the work.Then backstroke is started, push pedal 3 is done and is retreated from groove pin 21 rectilinear motion deviating from dials 22 and do and the rectilinear motion shifting needle plate 1 transverse shifting direction and be fed back into mutually initial position simultaneously, after push pedal 3 departs from transfer pin 11, push pedal 3 is done along the contrary quick transverse shifting in transfer needle plate transverse shifting direction while continuing again to retreat, get back to initial position, complete a reciprocating motion, then the compound motion in the unit interval of next needle gage is repeated, so move in circles, until all coils on transfer needle plate 1 is all shifted.
As Figure 19, push pedal 3 also only can do the first reciprocating motion along transfer pin direction, by the first reciprocating mechanism transmission, push pedal 3 is not with transfer needle plate transverse shifting, only be made in docking location place along transfer pin direction radial motion, the coil on the transfer pin 11 at docking location place is pushed on corresponding groove pin 21.The transfer reciprocating push pedal in pin direction of this edge is by the first reciprocating mechanism 7 transmission of correspondence, push pedal 3 reciprocating motions comprise the first impulse stroke from transfer initial position to groove pin movement, and push pedal is by first backstroke of groove pin to the movement of transfer pin initial position.Its first reciprocating mechanism is as Figure 17.This first reciprocating mechanism 7 comprises by power-actuated fork 71, the chute 711 be arranged on this fork 71, is provided with the slide block 72 of pin 721, this slide block 72 is slidably arranged in the slide rail 73 in frame, pin 721 on slide block 72 slides the chute 711 be placed on fork 71, during fork 71 reciprocating motion, slided along slide rail 73 by the relative sliding band movable slider 72 of chute 711 with pin 721, thus drive moving back and forth of push pedal 3, in order to be pushed on corresponding groove pin by the coil on transfer pin by push pedal.
As Figure 20, that the second of the present utility model can shift sewing machine to order by needle space changable automatically, this sewing machine with above-mentioned of the present utility model the first can needle space changable automatically to shift sewing machine to order substantially identical, difference is the dials come with a groove pin plate 8 on alternative sewing machine, and sewing machine is equivalent to the transverse shifting of groove pin plate 8 in the tangential motion at described docking location place, the working mechanism of its transfer stitch is identical, the every transverse shifting one groove pin needle gage of same groove pin plate 8, a transfer pin needle gage is moved with groove pin plate parallel direction synchronous horizontal in transfer needle plate 1 edge, at groove pin plate 8 with when shifting needle plate 1 with stepping transverse shifting, push pedal 3 is carried out with groove pin plate 8 and is shifted the synchronous reciprocating motion of needle plate 1 transverse shifting beat, and described groove pin and transfer pin docking location have several, therefore the push pedal 3 and the transfer needle tray that are arranged at docking location place have more chosen position for 4, order unit, and the course of work with above-mentioned the first automatically to shift sewing machine to order identical.Repeat no longer one by one.
Above-described embodiment is only a part of the present utility model, does not still exceed protection domain of the present utility model to the simple transformation of correlated characteristic in above-described embodiment.
Claims (13)
1. the variable needle gage of sweater fabric coil is automatically to order transfer sewing machine, it is characterized in that, comprising:
Along the uniform groove pin of dials and the sewing machine rotated or do traversing groove pin plate, to receive the coil of transfer along the uniform groove pin of needle plate;
Transfer needle plate, be evenly equipped with some front ends and be provided with groove and the transfer pin of the flexible elastic deformation of shank, be arranged at the tangential position of sewing machine dials side or the parallel position of groove pin plate side, sewing machine dials often rotates a groove pin needle gage or a groove pin plate often traversing groove pin needle gage, then along described tangential or synchronous with groove pin plate parallel direction traversing one shift pin needle gage, shift pin needle gage and the groove pin needle gage on sewing machine or can be identical or not identical with the groove pin needle gage on groove pin plate;
Transfer needle tray is for order unit, be arranged on transfer pin and described groove pin docking location place transfer pin above or below, and act on the transfer pin moving to this position, transfer pin is Bending Deformation by active force, and front groove contains corresponding described groove pin needle point and transfer pin is docked with corresponding described groove pin;
And push pedal, be arranged on transfer pin and transfer needle tray for above order unit and correspond to described docking location place, transfer pin and the groove pin on sewing machine or often to move a corresponding needle gage with the groove pin on groove pin plate, then synchronously transfer needle plate and sewing machine or and groove pin plate between do a reciprocating motion, return initial position after coil on transfer pin is pushed into corresponding groove pin, prepare the reciprocating motion of next needle gage.
2. the variable needle gage of sweater fabric coil according to claim 1 is automatically to order transfer sewing machine, it is characterized in that: described transfer needle tray is magnetic chuck for order unit, transfer pin front end on transfer needle plate is positioned at the top of groove pin on sewing machine or groove pin plate, described magnetic chuck is arranged on below the transfer pin at described docking location place, to the transfer pin absorption laterally moving to magnetic chuck, transfer pin is bent downwardly deformation, and front end is dropped on groove pin needle point and docks with groove pin, or transfer needle tray is pressing plate for order unit, described pressing plate is arranged on above or below transfer pin, the first pressing plate be arranged on above transfer pin is positioned at docking location place, transfer pin front end on transfer needle plate is in the top of groove pin on sewing machine or groove pin plate, first pressing plate is suppressed downwards the transfer pin laterally moving to pressing plate place, transfer pin is bent downwardly deformation, front end is dropped on groove pin needle point and docks with groove pin, the second pressing plate be arranged on below transfer pin is positioned at side, docking location place, transfer pin front end on transfer needle plate flushes substantially with the upper end of groove pin on sewing machine or groove pin plate, second pressing plate is upwards suppressed the transfer pin laterally moving to pressing plate place, transfer pin is bent upwards deformation, front end is higher than groove pin, transfer pin continues transverse shifting and departs from pressing plate compacting, fall after rise in docking location place front end elasticity and dock with groove pin on groove pin needle point, or transfer needle tray is moving runner for order unit, transfer pin front end on transfer needle plate flushes substantially with the upper end of groove pin on sewing machine or groove pin plate, described moving runner is arranged on below the transfer pin of side, described docking location place rotationally, to the traversing transfer pin compacting upwards to moving runner place, transfer pin is bent upwards deformation, front end is higher than groove pin, and transfer pin continues the compacting of traversing disengaging moving runner, falls after rise dock with groove pin on groove pin needle point in docking location place front end elasticity.
3. the variable needle gage of sweater fabric coil according to claim 2 is automatically to order transfer sewing machine, it is characterized in that: described magnetic chuck or the first pressing plate, after transfer pin docks with groove pin, keep being at least a transfer pin needle gage to the width of transfer pin effect.
4. the variable needle gage of sweater fabric coil according to claim 2 is automatically to order transfer sewing machine, it is characterized in that: described moving runner be circumferentially evenly provided with needle tray, transfer pin is a traversing transfer pin needle gage often, moving runner rotates a needle tray slot pitch, and moving runner is acted on transfer pin by needle tray.
5. the variable needle gage of sweater fabric coil according to claim 2 is automatically to order transfer sewing machine, it is characterized in that: the adsorption plane of magnetic chuck is plane or neither level ladder plane.
6. the variable needle gage of sweater fabric coil according to claim 5 is automatically to order transfer sewing machine, it is characterized in that: the ladder plane of described differing heights is also formed by connecting layer of non-magnetic material on the part magnetic face of magnetic chuck, then form high non magnetic ladder plane and low magnetic ladder plane.
7. the variable needle gage of sweater fabric coil according to claim 1 is automatically to order transfer sewing machine, it is characterized in that: when described push pedal width is at least two transfer pin needle gages, push pedal front end be ladder width according to transfer pin needle gage and stretch out forward successively by sideslip direction stepped, or for by the transfer needle plate sideslip direction inclined plane shape that stretches out of forward end gradually.
8. the variable needle gage of sweater fabric coil according to claim 1 or 7 is automatically to order transfer sewing machine, it is characterized in that: described push pedal comprises at least one deck elastic plate or non-resilient plate, described elastic plate is the plate being acted on coil on transfer pin and transfer pin by elastic deformation flexibly.
9. the variable needle gage of sweater fabric coil according to claim 1 is automatically to order transfer sewing machine, it is characterized in that: the reciprocating motion of described push pedal comprise push pedal back and forth in the first reciprocating motion of the first impulse stroke and the first backstroke and push pedal back and forth in the second reciprocating motion of the second impulse stroke and the second backstroke; First reciprocating motion of push pedal is by the first reciprocating mechanism transmission, and the second reciprocating motion of push pedal is by the second reciprocating mechanism transmission.
10. the variable needle gage of sweater fabric coil according to claim 9 is automatically to order transfer sewing machine, it is characterized in that:
Described first impulse stroke push pedal is moved to groove pin by the initial position shifting pin, and described first backstroke push pedal is moved to transfer pin initial position by groove pin;
Described second impulse stroke push pedal to be moved to groove pin by shifting pin initial position and to do with the traversing compound motion of transfer needle plate simultaneously, and described second backstroke push pedal is moved by groove pin to transfer pin initial position and does the compound motion with described traversing opposite direction movement simultaneously.
The variable needle gage of 11. sweater fabric coil according to claim 10 is automatically to order transfer sewing machine, it is characterized in that: described first reciprocating mechanism comprises fork, slide block, slide rail, trundle and chute, described fork is rotationally connected with in the frame of sewing machine, described slide block connects push pedal and is placed in slide rail slidably, and the swinging end of fork is connected by trundle and slide with slide block.
The variable needle gage of 12. sweater fabric coil according to claim 10 is automatically to order transfer sewing machine, it is characterized in that: described second reciprocating mechanism comprises eccentric wheel, connecting rod, centering block, first fork, at least two second forks, connecting rod, spring, end face is provided with the eccentric wheel of cam surface and output shaft that is rotatable and that slide, at least two second forks be arranged in parallel and the hinged described connecting rod in lower end, described push pedal is fixed on connecting rod, connecting rod one end is hinged on eccentric eccentric side, the other end is connected with one end of centering block, one end of the centering block other end and the second fork to connect on one end of one second fork and with output shaft rotation at output shaft, second fork and the first fork are arranged on the side that eccentric wheel is provided with cam surface rotationally, and this first fork one end is suppressed by spring, first fork two ends are touched respectively lean against on an end face of eccentric cam surface and centering block.
The variable needle gage of 13. sweater fabric coil according to claim 1 is automatically to order transfer sewing machine, it is characterized in that: when described transfer needle plate is in the parallel position of the tangential position of sewing machine side or groove pin plate side, on transfer pin and sewing machine, on groove pin or groove pin plate, the angle β of groove pin is: 0 °≤β≤60 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769005.0U CN205035590U (en) | 2015-09-30 | 2015-09-30 | Variable gauge needle of sweater fabric coil is automatic to shift sewing machine to mesh |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769005.0U CN205035590U (en) | 2015-09-30 | 2015-09-30 | Variable gauge needle of sweater fabric coil is automatic to shift sewing machine to mesh |
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| CN205035590U true CN205035590U (en) | 2016-02-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155127A (en) * | 2015-09-30 | 2015-12-16 | 冯加林 | Sweater fabric loop variable-needle-pitch automatic alignment transfer type sewing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155127A (en) * | 2015-09-30 | 2015-12-16 | 冯加林 | Sweater fabric loop variable-needle-pitch automatic alignment transfer type sewing machine |
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