The two stranding machines of twisting with the fingers of a kind of high speed bow formula
Technical field
The present invention relates to the two stranding machines of twisting with the fingers of a kind of high speed bow formula.
Background technology
It is the preceding working procedure of rope making that yarn is made thigh, generally spelling mutually twisting by numerous count yarns during stranding forms, during unwrapping wire, the inconsistent or own defective of yarn due to each yarn tension is easy to produce broken string simultaneously for numerous yarn dishes, need manual observation, be difficult in time to find, thereby quality can't guarantee and reduce operating efficiency, and stranding generally adopts stranding machine to complete, its rotating speed of existing stranding machine is the highest can only reach 300~400r/min, and production efficiency is lower.
Summary of the invention
The objective of the invention is in order to overcome above deficiency, adopt the two structures of twisting with the fingers of strand bow formula, lightweight, little scooter 1500 r/min that turn of rotary inertia, handiness is reliable, the stranding machine of enhancing productivity.
Purpose of the present invention is achieved through the following technical solutions: the two stranding machines of twisting with the fingers of a kind of high speed bow formula, described stranding machine comprise unwrapping wire and wire break alarm device, the two twisting thigh of bow formula mechanism, and unwrapping wire and wire break alarm device are placed in a side of the two twisting thigh of bow formula mechanism.
further improvement of the present invention is: described unwrapping wire and wire break alarm device comprise actinobacillus device, actinobacillus device comprises base, the bottom of base is provided with universal wheel, base is provided with wire-unfolding rack, the both sides, front and back of wire-unfolding rack are equipped with many group unwrapping wire external members, the many groups unwrapping wire external member that is positioned at wire-unfolding rack the same side is placed up and down, every group of unwrapping wire external member includes a plurality of unwrapping wire deflector roll external members and a plurality of actinobacillus wheel sleeve member, unwrapping wire deflector roll external member is placed in the top of actinobacillus wheel sleeve member, each unwrapping wire deflector roll external member is corresponding with an actinobacillus wheel sleeve member respectively, one side rear and front end side of wire-unfolding rack is equipped with the corresponding connecting plate in a plurality of up and down, be equipped with anti-deflection device on each connecting plate, each connecting plate all is connected with wire break alarm device.
further improvement of the present invention is: each described actinobacillus wheel sleeve member includes flange, adjusting bolt and unwrapping wire wheel shaft, flange is connected with wire-unfolding rack by bolt, on adjusting bolt, cover has adjusting nut, stage clip and internal friction disc cover plate, stage clip is placed between adjusting nut and internal friction disc cover plate, adjusting nut is near flange, the position that adjusting bolt is positioned at internal friction disc cover plate one side is provided with dog screw, the internal friction disc cover plate is connected with internal friction disc by bolt, the inwall of internal friction disc is provided with two symmetrical grooves of placing, slide dog screw left and right in described groove, internal friction disc one side is provided with the first clamping plate, the first plywood sleeve is on an end of unwrapping wire wheel shaft, on the other end of unwrapping wire wheel shaft, cover has the second clamping plate, the external friction dish, the outer end of external friction dish is provided with Card trough, have draw-in groove in the end of unwrapping wire wheel shaft, be connected with clamp by the riveting post in draw-in groove, have kidney slot on clamp, the riveting post is placed in kidney slot.
Further improvement of the present invention is: described anti-deflection device comprises base plate, and base plate is provided with the vertical shaft that place a plurality of left and right, and all overlapping on each vertical shaft has pivoted housing, and the top of each pivoted housing all connects crown cap, and the top cap is fixed by screw and vertical shaft.
further improvement of the present invention is: each described wire break alarm device includes front wallboard and rear wall plate, be connected by the first screw shaft between one end of front wallboard and rear wall plate, on the first screw shaft, cover has balance wheel assembly, be connected by the second screw shaft between the other end top of front wallboard and rear wall plate, the second screw shaft is provided with the second guide wheel units, the position that is positioned at the second screw shaft bottom between front wallboard and rear wall plate is provided with the 3rd screw shaft, the 3rd screw shaft is provided with the 3rd guide wheel units, be equipped with a plurality of through holes on front wallboard and rear wall plate, a plurality of through holes are curved arranges, be respectively equipped with in any three through holes of arranging from bottom to top on front wallboard and/or rear wall plate for detection of broken string the first photoelectric sensor, for detection of the second photoelectric sensor of lower limit tension force with for detection of the 3rd photoelectric sensor of upper limit tension force.
further improvement of the present invention is: described balance wheel assembly comprises a plurality of fork and a plurality of pulleys that are enclosed within on the first screw shaft, a plurality of forks and a plurality of pulley room are every setting, between each fork and the first screw shaft, all be connected by clutch shaft bearing between each pulley and the first screw shaft, outermost two clutch shaft bearings outsides respectively with its mutually close wallboard between, be equipped with the first axle sleeve between all the other every adjacent two clutch shaft bearings, the bottom of each fork all is connected with the first pulley by connecting axle, be connected by the second bearing between the first pulley and connecting axle, each first pulley is corresponding with a pulley respectively.
Further improvement of the present invention is: described the second guide wheel units comprises a plurality of the first directive wheels that are enclosed within on described the second screw shaft, all be connected by the 3rd bearing between each first directive wheel and the second screw shaft, the outside of outermost two the 3rd bearings respectively and with its mutually close wallboard between, be equipped with the second axle sleeve between all the other every adjacent two the 3rd bearings.
Further improvement of the present invention is: described the 3rd guide wheel units comprises a plurality of the second directive wheels that are enclosed within on the 3rd bolt shaft, all be connected by the 4th bearing between each second directive wheel and the 3rd bolt shaft, the outside of outermost two the 4th bearings respectively with its mutually close wallboard between, be equipped with the 3rd axle sleeve between all the other every adjacent two the 4th bearings.
further improvement of the present invention is: the two twisting thigh of described bow formula mechanism comprises footing, footing is connected with protective cover, protective cover is provided with wire installation near an end of unwrapping wire and wire break alarm device, wire installation comprises wire guide plate and strand mould, wire guide plate is placed in the outside of strand mould, the position that footing is placed in protective cover inside is provided with the first bearing and the second bearing, run through respectively in the first bearing and the second bearing and be provided with the first connecting axle and the second connecting axle, the end that the first connecting axle and the second connecting axle are positioned at support outer all is connected with the first synchronizing wheel, also be provided with supporting seat on base, run through in supporting seat and be provided with power transmission shaft, one end of power transmission shaft is connected with the second synchronizing wheel, the other end of power transmission shaft is connected with an end of Dual-output shaft motor, the other end of Dual-output shaft motor also is connected with the 3rd synchronizing wheel, one of them first synchronizing wheel is connected with the second synchronizing wheel by the first Timing Belt, another first synchronizing wheel is connected with the 3rd synchronizing wheel by the second Timing Belt, the end that the first connecting axle and the second connecting axle are positioned at the bearing inboard all is connected with cradle device, the first connecting axle and the second connecting axle all overlap on the position between bearing and cradle device rotating disk, be connected by two strand bows that are oppositely arranged between two rotating disks, the first connecting axle and the second connecting axle are equipped with guide wheel on the position between rotating disk and bearing.
further improvement of the present invention is: described cradle device comprises cradle, be provided with the 5th bearing between cradle and the first connecting axle, be provided with the 6th bearing between cradle and the second connecting axle, be provided with strand dish and traverse unit device between the front and rear wall of cradle, strand dish and traverse unit device axially parallel are placed, traverse unit device is placed in the upper right side of strand dish, the axle head that the second connecting axle stretches in cradle is provided with the 4th synchronizing wheel, the 4th synchronizing wheel is connected with the 5th synchronizing wheel by the 3rd Timing Belt, the 5th synchronizing wheel is placed on the power shaft of cradle bottom gearbox, the output shaft of gearbox stretches out the cradle outer end and is connected with the second lay pitch adjusting gear through the 3rd connecting axle, the second lay pitch adjusting gear is meshed with the first lay pitch adjusting gear, the first lay pitch adjusting gear is contained on the 4th connecting axle, also overlap on the 4th connecting axle the 6th synchronizing wheel is arranged, the end of the 4th connecting axle is connected with the power shaft of magnetic powder cluth, the 6th synchronizing wheel is connected with the 7th synchronizing wheel by the 4th Timing Belt, the 7th synchronizing wheel is placed on the power shaft of winding wheel device, the winding wheel device is placed on the connecting plate that gearbox is provided with, the output shaft of magnetic powder cluth is provided with the 9th synchronizing wheel, the 9th synchronizing wheel is connected with the 8th synchronizing wheel on the traverse unit device power shaft through the 5th Timing Belt, also be provided with first on the output shaft of magnetic powder cluth and connect gear, wherein gear that the first connection gear is connected with duplex second on gear is meshed, another gear on duplex the second connection gear is meshed with the travelling gear of strand dish end, be connected with glass pulley by pole on one end inwall of cradle, glass pulley is near the winding wheel device.
Further improvement of the present invention is: each described strand bow all adopts stainless steel tube to flatten, and inner filling epoxy resin plate is equipped with a plurality of cable guiding devices on the inwall of each strand bow.
the present invention compared with prior art has the following advantages: during use in the unwrapping wire process, the overtension of line or when too small, can regulate by adjusting nut, use more for convenience, and can prevent unwrapping wire process center line sideslip etc. by anti-deflection device, guaranteed the quality of stranding, improved to greatest extent the bearing capacity of strand, the size of tension force as required, regulate respectively the position of three photoelectric sensors, the Tensity size of this line-transect can be controlled, can set maximum, the minimum tension scope, the Tensity size that guarantees each line is consistent, the every line tension that guarantees stranding is even, thereby the intensity of the thigh that will make improves, during broken string, fork is sagging rapidly, zero tension force is reported to the police and shuts down, disconnection fault is in time found and is processed, use more for convenience, guaranteed the quality of later process, improved unwrapping wire efficient, and the Tensity size of each line consistent, the every line tension that guarantees stranding is even, thereby the intensity of the thigh that will make improves.The present invention adopts the two twisting thigh of bow formula mechanism, simple in structure, the strand bow is made for the special process of filling epoxy resin plate in stainless steel tube, and is lightweight, intensity is good, cost is low, and is economic and practical, and the rotating speed of strand bow can be promoted to 1500~1600r/min, improved operating efficiency, by using traverse unit device, make rope when rolling is to the thigh dish, can AUTOMATIC ZONING close around.
Description of drawings:
Fig. 1 is the front view of structural representation of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation of actinobacillus device;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the left view of Fig. 3;
Fig. 6 is the structural representation of actinobacillus wheel sleeve member;
Fig. 7 is the structural representation of anti-deflection device;
Fig. 8 is the structural representation of wire break alarm device;
Fig. 9 is the top view of Fig. 8;
Figure 10 be in Fig. 8 A-A to structural representation;
Figure 11 is the structural representation of the two twisting thigh of the bow formula that does not contain protective cover mechanism;
Figure 12 is the top view of Figure 11;
Figure 13 is the further structural representation of Figure 12;
number in the figure: 1-unwrapping wire and wire break alarm device, the 2-actinobacillus device, the 3-base, the 4-universal wheel, the 5-wire-unfolding rack, 6-unwrapping wire deflector roll external member, 7-actinobacillus wheel sleeve member, the 8-connecting plate, the 9-anti-deflection device, the 10-wire break alarm device, the 11-flange, the 12-adjusting bolt, 13-unwrapping wire wheel shaft, the 14-adjusting nut, the 15-stage clip, 16-internal friction disc cover plate, the 17-dog screw, the 18-internal friction disc, 19-the first clamping plate, 20-the second clamping plate, 21-external friction dish, the 22-Card trough, the 23-draw-in groove, 24-riveting post, the 25-clamp, the 26-kidney slot, the 27-base plate, the 28-vertical shaft, the 29-front wallboard, the 30-rear wall plate, 31-the first screw shaft, the 32-balance wheel assembly, 33-the second screw shaft, 34-the second guide wheel units, 35-the 3rd screw shaft, 36-the 3rd guide wheel units, the 37-through hole, the 38-fork, the 39-pulley, the 40-clutch shaft bearing, 41-the first axle sleeve, the 42-connecting axle, 43-the first pulley, 44-the second bearing, 45-the first directive wheel, 46-the 3rd bearing, 47-the second axle sleeve, 48-the second directive wheel, 49-the 4th bearing, 50-the 3rd axle sleeve, the 51-footing, the 52-protective cover, the 53-wire guide plate, 54-strand mould, 55-the first bearing, 56-the second bearing, 57-the first connecting axle, 58-the second connecting axle, 59-the first synchronizing wheel, the 60-supporting seat, the 61-power transmission shaft, 62-the second synchronizing wheel, the 63-Dual-output shaft motor, 64-the 3rd synchronizing wheel, 65-the first Timing Belt, 66-the second Timing Belt, the 67-rotating disk, 68-twists bow, the 69-guide wheel, the 70-cradle, 71-the 5th bearing, 72-the 6th bearing, 73-strand dish, the 74-traverse unit device, 75-the 4th synchronizing wheel, 76-the 3rd Timing Belt, 77-the 5th synchronizing wheel, the 78-gearbox, 79-the 3rd connecting axle, 80-the second lay pitch adjusting gear, 81-the first lay pitch adjusting gear, 82-the 4th connecting axle, 83-the 6th synchronizing wheel, the 84-magnetic powder cluth, 85-the 7th synchronizing wheel, 86-winding wheel device, the 87-connecting plate, 88-the 9th synchronizing wheel, 89-the 5th Timing Belt, 90-the 8th synchronizing wheel, 91-first connects gear, 92-duplex second connects gear, the 93-travelling gear, the 94-glass pulley, the 95-cable guiding device, the two twisting thigh of 96-bow formula mechanism, the 97-pivoted housing, 98-top cap, 99-the 4th Timing Belt.
The specific embodiment:
In order to deepen the understanding of the present invention, the invention will be further described below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the present invention, does not consist of the restriction to protection domain of the present invention.
show the two specific embodiment of twisting with the fingers stranding machine of a kind of high speed bow of the present invention formula as Fig. 1 to Figure 13, stranding machine comprises unwrapping wire and wire break alarm device 1, the two twisting thigh of bow formula mechanism 96, unwrapping wire and wire break alarm device 1 are placed in a side of the two twisting thigh of bow formula mechanism 96, unwrapping wire and wire break alarm device 1 comprise actinobacillus device 2, actinobacillus device 2 comprises base 3, the bottom of base 3 is provided with universal wheel 4, base 3 is provided with wire-unfolding rack 5, the both sides, front and back of wire-unfolding rack 5 are equipped with many group unwrapping wire external members, many groups of described unwrapping wire external members that are positioned at wire-unfolding rack 5 the same sides are placed up and down, every group of unwrapping wire external member includes a plurality of unwrapping wire deflector roll external members 6 and a plurality of actinobacillus wheel sleeve member 7, unwrapping wire deflector roll external member 6 is placed in the top of actinobacillus wheel sleeve member 7, each unwrapping wire deflector roll external member 6 is corresponding with an actinobacillus wheel sleeve member 7 respectively, one side rear and front end side of wire-unfolding rack 5 is equipped with the corresponding connecting plate in a plurality of up and down 8, be equipped with anti-deflection device 9 on each connecting plate 8, each connecting plate 8 all is connected with wire break alarm device 10, preferred each the actinobacillus wheel sleeve member 7 of the present invention includes flange 11, adjusting bolt 12 and unwrapping wire wheel shaft 13, flange 11 is connected with wire-unfolding rack 5 by bolt, on adjusting bolt 12, cover has adjusting nut 14, stage clip 15 and internal friction disc cover plate 16, stage clip 15 is placed between adjusting nut 14 and internal friction disc cover plate 16, adjusting nut 14 is near flange 11, the position that adjusting bolt 12 is positioned at internal friction disc cover plate 16 1 sides is provided with dog screw 17, internal friction disc cover plate 16 is connected with internal friction disc 18 by bolt, the inwall of internal friction disc 18 is provided with two symmetrical grooves of placing, slide dog screw 17 left and right in groove, internal friction disc 18 1 sides are provided with the first clamping plate 19, the first clamping plate 19 are enclosed within on an end of unwrapping wire wheel shaft 13, on the other end of unwrapping wire wheel shaft 13, cover has the second clamping plate 20, external friction dish 21, the outer end of external friction dish 21 is provided with Card trough 22, have draw-in groove 23 in the end of unwrapping wire wheel shaft 13, be connected with clamp 25 by riveting post 24 in draw-in groove 23, have kidney slot 26 on clamp 25, riveting post 24 is placed in kidney slot 26, anti-deflection device 9 comprises base plate 27, base plate 27 is provided with the vertical shaft 28 that place a plurality of left and right, all overlap on each vertical shaft 28 pivoted housing 97 is arranged, the top of each pivoted housing 97 all connects crown cap 98, top cap 98 is fixing by screw and vertical shaft 28, each wire break alarm device 10 includes front wallboard 29 and rear wall plate 30, be connected by the first screw shaft 31 between one end of front wallboard 29 and rear wall plate 30, on the first screw shaft 31, cover has balance wheel assembly 32, be connected by the second screw shaft 33 between the other end top of front wallboard 29 and rear wall plate 30, the second screw shaft 33 is provided with the second guide wheel units 34, the position that is positioned at described the second screw shaft 33 bottoms between front wallboard 29 and rear wall plate 30 is provided with the 3rd screw shaft 35, the 3rd screw shaft 35 is provided with the 3rd guide wheel units 36, be equipped with a plurality of through holes 37 on front wallboard 29 and rear wall plate 30, curved the arranging of a plurality of through holes 37, be respectively equipped with in any three through holes of arranging from bottom to top 37 on front wallboard 29 and/or rear wall plate 30 for detection of broken string the first photoelectric sensor, for detection of the second photoelectric sensor of lower limit tension force with for detection of the 3rd photoelectric sensor of upper limit tension force, balance wheel assembly 32 comprises a plurality of fork 38 and a plurality of pulleys 39 that are enclosed within on described the first screw shaft 31, a plurality of escapements 38 and the 39 intervals settings of a plurality of pulley, between each fork 38 and the first screw shaft 31, all be connected by clutch shaft bearing 40 between each pulley 39 and the first screw shaft 31, outermost two clutch shaft bearing 40 outsides respectively with its mutually close wallboard between, be equipped with the first axle sleeve 41 between all the other every adjacent two described clutch shaft bearings 40, the bottom of each fork 38 all is connected with the first pulley 43 by connecting axle 42, be connected by the second bearing 44 between the first pulley 43 and connecting axle 42, each first pulley 43 is corresponding with a pulley 39 respectively, the second guide wheel units 34 comprises a plurality of the first directive wheels 45 that are enclosed within on the second screw shaft 33, all be connected by the 3rd bearing 46 between each first directive wheel 45 and the second screw shaft 33, the outside of outermost two the 3rd bearings 46 respectively and with its mutually close wallboard between, be equipped with the second axle sleeve 47 between all the other every adjacent two the 3rd bearings 46, the 3rd guide wheel units 36 comprises a plurality of the second directive wheels 48 that are enclosed within on the 3rd bolt shaft 35, all be connected by the 4th bearing 49 between each second directive wheel 48 and the 3rd bolt shaft 35, the outside of outermost two the 4th bearings 49 respectively with its mutually close wallboard between, be equipped with the 3rd axle sleeve 50 between all the other every adjacent two the 4th bearings 49, the two twisting thigh of bow formula mechanism 96 comprises footing 51, footing 51 is connected with protective cover 52, protective cover 52 is provided with wire installation near an end of unwrapping wire and wire break alarm device 1, wire installation comprises wire guide plate 53 and strand mould 54, wire guide plate 53 is placed in the outside of strand mould 54, the position that footing 1 is placed in protective cover 52 inside is provided with the first bearing 55 and the second bearing 56, run through respectively in the first bearing 56 and the second bearing 56 and be provided with the first connecting axle 57 and the second connecting axle 58, the end that the first connecting axle 57 and the second connecting axle 58 are positioned at support outer all is connected with the first synchronizing wheel 59, also be provided with supporting seat 60 on base 51, run through in supporting seat 60 and be provided with power transmission shaft 61, one end of power transmission shaft 61 is connected with the second synchronizing wheel 62, the other end of power transmission shaft is connected with Dual-output shaft motor 63, Dual-output shaft motor 63 also is connected with the 3rd synchronizing wheel 64, one of them first synchronizing wheel 59 is connected with the second synchronizing wheel 62 by the first Timing Belt 65, another first synchronizing wheel 59 is connected with the 3rd synchronizing wheel 64 by the second Timing Belt 66, the end that the first connecting axle 57 and the second connecting axle 58 are positioned at the bearing inboard all is connected with cradle device, the first connecting axle 57 and the second connecting axle 58 all overlap on the position between bearing and described cradle device rotating disk 67, be connected by two strand bows 68 that are oppositely arranged between two rotating disks 67, the first connecting axle 57 and the second connecting axle 58 are equipped with guide wheel 69 on the position between rotating disk 67 and bearing, cradle device comprises cradle 70, be provided with the 5th bearing 71 between cradle 70 and the first connecting axle 57, be provided with the 6th bearing 72 between cradle 70 and the second connecting axle 58, be provided with strand dish 73 and traverse unit device 74 between the front and rear wall of cradle 70, strand dish 73 and traverse unit device 74 axially parallels are placed, traverse unit device 74 is placed in the upper right side of strand dish 73, the axle head that the second connecting axle 58 stretches in cradle 70 is provided with the 4th synchronizing wheel 75, the 4th synchronizing wheel 75 is connected with the 5th synchronizing wheel 77 by the 3rd Timing Belt 76, the 5th synchronizing wheel 77 is placed on the power shaft of cradle 70 bottom gearboxes 78, the output shaft of gearbox 78 stretches out cradle 70 outer ends and is connected with the second lay pitch adjusting gear 80 through the 3rd connecting axle 79, the second lay pitch adjusting gear 80 is meshed with the first lay pitch adjusting gear 81, the first lay pitch adjusting gear 81 is contained on the 4th connecting axle 82, also overlap on the 4th connecting axle 82 the 6th synchronizing wheel 83 is arranged, the end of the 4th connecting axle 82 is connected with the power shaft of magnetic powder cluth 84, the 6th synchronizing wheel 83 is connected with the 7th synchronizing wheel 85 by the 4th Timing Belt 99, the 7th synchronizing wheel 85 is placed on the power shaft of winding wheel device 86, winding wheel device 86 is placed on the connecting plate 87 that gearbox 78 is provided with, the output shaft of magnetic powder cluth 84 is provided with the 9th synchronizing wheel 88, the 9th synchronizing wheel 88 is connected with the 8th synchronizing wheel 90 on traverse unit device 74 power shafts through the 5th Timing Belt 89, also be provided with first on the output shaft of magnetic powder cluth 84 and connect gear 91, wherein gear that the first connection gear 91 is connected with duplex second on gear 92 is meshed, another gear on duplex the second connection gear 92 is meshed with the travelling gear 93 of strand dish 73 ends, be connected with glass pulley 94 by pole on one end inwall of cradle 70, glass pulley 94 is near winding wheel device 86, be equipped with a plurality of cable guiding devices 95 on the inwall of each strand bow 68.
the two stranding machines of twisting with the fingers of high speed bow formula of the present invention are in the unwrapping wire process, the overtension of line or when too small, can regulate by adjusting nut, use more for convenience, and can prevent unwrapping wire process center line sideslip etc. by anti-deflection device, guaranteed the quality of stranding, improved to greatest extent the bearing capacity of strand, the size of tension force as required, regulate respectively the position of three photoelectric sensors, the Tensity size of this line-transect can be controlled, can set maximum, the minimum tension scope, the Tensity size that guarantees each line is consistent, the every line tension that guarantees stranding is even, thereby the intensity of the thigh that will make improves, during broken string, fork is sagging rapidly, zero tension force is reported to the police and shuts down, disconnection fault is in time found and is processed, use more for convenience, guaranteed the quality of later process, improved unwrapping wire efficient, and the Tensity size of each line is consistent, the every line tension that guarantees stranding is even, thereby the intensity of the thigh that will make improves.The two twisting thigh mechanism structure of bow formula are simple, the strand bow is made for stainless steel tube flattens, be filled with epoxy resin board in stainless steel tube, the rotating speed of strand bow can be promoted to 1500~1600r/min, simultaneously, the other end that the end that strand is bent by strand penetrates into the strand bow turns back to again the cradle that twists bow inside, the strand bow often turns around, actual strand twisting twice, work efficiency is doubled, and has greatly improved operating efficiency, by using traverse unit device, make rope when rolling is to the thigh dish, automatic winding displacement, layering are close around in good order, can evenly distribute.