A kind of footwear insole stiching machine
Technical field
The utility model relates to footwear and sews up machinery, especially relates to the insole stiching machine sewed up for footwear side and bottom.
Background technology
For sport footwear, playshoes, mainly carry out sideline processing with insole stiching machine.This kind of insole stiching machine mainly carrys out work by the rocking arm of one group of swing.Shoes by shoes sleeve on the ox horn head of the rocking arm battered leg end be connected with rocking arm, must swing back and forth with before and after rocking arm when sewing up, and shoes can be made to do the sewing processing of omnibearing angel.But traditional insole stiching machine intelligence sewing straight line, limited to use, suture quality and style are affected, and thus have much room for improvement.
Summary of the invention
The purpose of this utility model is overcome above-mentioned the deficiencies in the prior art part and provide a kind of footwear insole stiching machine, can realize pin transposition sewing, obtain the tortuous thread walked, increase sewing pattern and quality.
For achieving the above object, the utility model adopts following technical scheme:
A kind of footwear insole stiching machine, include main drive shaft and shank, main drive shaft drives shank lower work by rocker arm connection mechanism, shank lower end group is provided with pin, on described main drive shaft, group is provided with first group of travelling gear and second group of travelling gear, wherein, first group of travelling gear connects shank rotating mechanism, to drive the pin rolling transposition sewing on shank; Second group of travelling gear drives presser feet feeding by crank and rocker mechanism, shuttle is provided with below presser feet, shuttle is provided with movable cover plate and hooks line portion, movable cover plate is provided with the through hole of coupling pin rolling transposition sewing, during work, pin coordinates the hook line portion on shuttle to make through after the pin hole of presser feet and the through hole of movable cover plate from top to bottom.
The shank rotating mechanism that described first group of travelling gear connects includes borded pile, push rod, borded pile is driven by first group of travelling gear and rotates, the periphery of borded pile is provided with helicla flute, push rod one end is provided with pushing block, pushing block coordinates the helicla flute of borded pile promotion push rod to stretch, and the other end of push rod is provided with cingulum, the teeth portion on cingulum engagement shank, realizing cingulum drives shank to rotate, and is provided with rotational swing rod and is connected between cingulum with push rod; The crank and rocker mechanism that described second group of travelling gear connects includes crankwheel, rocking bar, rotating shaft, the eccentric connecting crank wheel in rocking bar one end, crankwheel is driven by second group of travelling gear and rotates, the hinged rotating shaft of the other end of rocking bar, rotate with drive shaft gap, the other end of rotating shaft is then for pendulum model drives an integrated package to move, and integrated package connects presser feet by presser bar, presser bar and shank establish setting side by side, and shank is stretched through under integrated package; Described presser feet also by inversion mechanism can relatively presser bar replace action, pin rolling transposition sewing is coordinated with the pin hole realized on presser feet, described inversion mechanism comprises actuating arm and lower actuating arm, the upper end thereof integrated package of lower actuating arm, and the upper end of lower actuating arm is provided with underarm engaging tooth, and the lower end articulated linkage of lower actuating arm, connecting rod connects presser feet; The hinged integrated package in lower end of upper actuating arm, and the lower end of upper actuating arm is provided with upper arm engaging tooth, upper arm engaging tooth and the transmission of underarm engaging tooth, the upper end of upper actuating arm has an elastic component to pull and support, and the upper end of upper actuating arm is connected with one end ejection of push rod.
Teeth portion on described shank is spline shaft structure.
Described push rod is also socketed with reset Compress Spring, and push block is propped up in reset Compress Spring one end, the corresponding support position of other end support top insole stiching machine.
Be compared with the prior art, the utility model realizes pin rolling transposition sewing after adopting said structure, obtains the tortuous thread walked, increases sewing pattern and quality, and then promote the competitiveness of producing product.
A utility model again advantage is that structure is simple, scientific and reasonable, and cost of investment is low, and transmission is compact, volume is little, and harmony is good, and work is smooth, and shoes are made more flexible, and the operation ratio of lifting means and operability, meet industry and utilize greatly.
accompanying drawing illustrates:
Accompanying drawing 1 is the utility model preferred embodiment structural principle schematic diagram;
Accompanying drawing 2 is the partial structurtes schematic diagram of Fig. 1 embodiment.
detailed description of the invention:
Below in conjunction with accompanying drawing, the utility model is further illustrated:
Consult shown in Fig. 1,2, the utility model is about a kind of footwear insole stiching machine, and include support (not shown), main drive shaft 1 and shank 2, main drive shaft 1 is assembled on support, and is connected with motor.Main drive shaft 1 drives shank 2 lower work by rocker arm connection mechanism, and shank 2 lower end group is provided with pin 21, and realize pin 21 and to move up and down sewing, this structural principle is prior art, does not repeat them here.On described main drive shaft 1, group is provided with first group of travelling gear 11 and second group of travelling gear 12, and wherein, first group of travelling gear 11 connects shank rotating mechanism, to drive the pin 21 rolling transposition sewing on shank 2; Second group of travelling gear 12 drives presser feet 3 feeding by crank and rocker mechanism, and be provided with shuttle 4 below presser feet 3, shuttle 4 is assembled on the ox horn head of corresponding rocking arm battered leg 8 end, swings back and forth with before and after rocking arm, and shoes can be made to do the sewing processing of omnibearing angel.Shuttle 4 is provided with movable cover plate 41 and hooks line portion 42, and movable cover plate 41 is provided with the through hole 411 of coupling pin 21 rolling transposition sewing.During work, pin 21 coordinates the hook line portion 42 on shuttle 4 to make through after the pin hole 31 of presser feet 3 and the through hole 411 of movable cover plate 41 from top to bottom.In the present embodiment, the similar figure of eight shape of lying down of through hole 411 on movable cover plate 41, movable cover plate 41 one end is hinged on shuttle seat, when being walked for 21 times by pin squeezing through-hole 411 sidewall and deflect around pin joint, walk coordinate pin 21 rolling transposition sewing to realize through hole 411, the hook line portion 42 on shuttle 4 is relatively motionless.
Shown in Fig. 1,2, in the present embodiment, the shank rotating mechanism that described first group of travelling gear 11 connects includes borded pile 51, push rod 52, borded pile 51 is by first group of travelling gear 11 driven rotary, the periphery of borded pile 51 is provided with helicla flute 511, push rod 52 one end is provided with pushing block 521, it is flexible that pushing block 521 coordinates the helicla flute 511 of borded pile 51 to promote push rod 52, the other end of push rod 52 is provided with cingulum 522, cingulum 522 engages the teeth portion 22 on shank 2, realizing cingulum 522 drives shank 2 to rotate, and is provided with rotational swing rod 524 and is connected between cingulum 522 with push rod 52; The crank and rocker mechanism that described second group of travelling gear 12 connects includes crankwheel 61, rocking bar 62, rotating shaft 63, the eccentric connecting crank wheel 61 in rocking bar 62 one end, crankwheel 61 is by second group of travelling gear 12 driven rotary, in figure, crankwheel 61 is provided with corresponding cam path and coordinates rocking bar 62 bias to install, with activity corresponding actions.The hinged rotating shaft 63 of the other end of rocking bar 62, rotate with drive shaft 63 gap, the other end of rotating shaft 63 is then for pendulum model drives an integrated package 64 to move, and integrated package 64 connects presser feet 3 by presser bar 32, presser bar 32 and shank 2 establish setting side by side, and shank 2 is stretched for 64 times through integrated package; When rotating shaft 63 drives integrated package 64 action, presser bar 32 drives presser feet 3 to move material grasping and drags, and realizes charging; When integrated package 64 drives presser bar 32 to move, shank 2 also follows action, realizes synchronous and keeps relative position.Described presser feet 3 also can be replaced action by presser bar 32 relatively by inversion mechanism, pin 21 rolling transposition sewing is coordinated with the pin hole 31 realized on presser feet 3, described inversion mechanism comprises actuating arm 71 and lower actuating arm 72, the upper end thereof integrated package 64 of lower actuating arm 72, and the upper end of lower actuating arm 72 is provided with underarm engaging tooth 721, and the lower end articulated linkage 73 of lower actuating arm 72, connecting rod 73 connects presser feet 3; The hinged integrated package 64 in lower end of upper actuating arm 71, and the lower end of upper actuating arm 71 is provided with upper arm engaging tooth 711, upper arm engaging tooth 711 and underarm engaging tooth 721 transmission, the upper end of upper actuating arm 71 has an elastic component 74 to pull and support, and the upper end of upper actuating arm 71 is connected with one end ejection of push rod 52, when this structure realizes push rod 52 driving needle 21 rolling transposition sewing, utilization is transmitted between actuating arm 71, lower actuating arm 72 and connecting rod 73, presser feet 3 can be realized to replace action, so that pin 21 keeps just to relation with the pin hole 31 on presser feet 3, thus meets pin 21 knee-action.
Shown in Fig. 1,2, in the present embodiment, the teeth portion 22 on described shank 2 is spline shaft structure; Push rod 52 is also socketed with reset Compress Spring 523, and push block 521 is propped up in reset Compress Spring 523 one end, the corresponding support position of other end support top insole stiching machine; Structure is simple, Workable, long service life.
The utility model realizes pin rolling transposition sewing, obtain the tortuous thread walked, increase sewing pattern and quality, and then promote the competitiveness of producing product, structure is simple, scientific and reasonable, cost of investment is low, and transmission is compact, volume is little, and harmony is good, work is smooth, shoes are made more flexible, and the operation ratio of lifting means and operability, meet industry and utilize greatly.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and modification according to the utility model, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the utility model.