Wire cutting and stripping method and mechanism
Technical field
The present invention relates to a kind of wire cutting and stripping method and mechanism.
Background technology
The detonator that industrial explosive material nonel tube industry is used technology and automatization level at home is lower, during the last ten years, domestic detonator industry detonator roll off the production line beat labor-intensive all taking, process based on manual operations, labour intensity is big especially, production efficiency is very low, and the cost height has had a strong impact on the utilization and extention and the occupation rate of market of this technology.
Afterwards, the higher coil winding machine (winding mechanism) of automaticity had appearred.Can be used to finish the coiling of bundle of lines such as the figure of eight, " 0 " shape, shape, △ shape.The coiling step is that planar linkage mechanism drives the traction tube motion that is used to pass lead, lead is wound on forms wire harness on the wrapping post, and wire harness rotates with online portion with a tight waist and twines multiturn lead formation bundle of lines then.Afterwards, lead is cut off mechanism lead is cut off.Then, to the lead at bundle of lines two ends wire sheath (insulating barrier) is cut off with the thread trimmer in the peeling procedure near the place, end or with heater scald break crust after, make the wire sheath at bundle of lines two ends peel off with pulling wire sheath such as outer power device in the peeling procedure such as Pneumatic manipulator again.This stripping method, online portion with a tight waist twines and just can cut off lead after the multiturn lead forms bundle of lines, and carries out peeling, and efficient is low.It is very complicated that mechanism, the lead of corresponding coiling bundle of lines cut off mechanism and peeling procedure (comprise thread trimmer that wire sheath is cut off or to the heater of wire sheath heating and melting, and to the outer power device of pulling wire sheath), the cost height.
Summary of the invention
When the invention provides a kind of winding lead of online portion with a tight waist, lead is carried out peeling wire cutting and stripping method and device, its efficient height, and simple in structure, with low cost.
This wire cutting and stripping method is to be that symmetry axis is symmetrical arranged two rotating shafts with its axis on a transposition wheel that rotates, and all is connected with the wrapping post of pair of parallel in two rotating shafts; Two wire stripping cuttves and the thread trimmer between two wire stripping cuttves about the wire cutting and stripping cutter has; Described wire cutting and stripping method comprises the steps:
1) on relative and parallel a pair of wrapping post around a wire harness;
2) transposition wheel rotates 180 °, makes the edge of a knife of the wire cutting and stripping cutter of lead by being in open configuration of wire harness rear end;
3) wire cutting and stripping cutter closure then, about two wire stripping cuttves wire sheath is sheared, thread trimmer is cut off lead simultaneously;
4) another to relative and parallel wrapping post on another wire harness of coiling;
5) two rotating shafts all rotate drive two pairs of wrapping posts and on wire harness rotate, twine the multiturn lead at the waist of two wire harness and form bundle of lines; Simultaneously, the wire stylet of two bundle of lines moves with respect to being sheared crust, makes that being sheared crust breaks away from wire stylet from cutting off of lead;
6) then the wire cutting and stripping cutter opens;
7) take off the bundle of lines that is positioned at transposition wheel left side this moment.
This method is when the waist of wire harness twines multiturn lead formation bundle of lines, and wire stylet moves with respect to being sheared crust, makes that being sheared crust breaks away from wire stylet from cutting off of lead; Its efficient height.
Certainly, for the continuous high-efficient operation, after step 7), repeat above-mentioned 2)-7) step.
The present invention provides a kind of wire cutting and stripping mechanism simultaneously, comprises two up and down relatively and the transposition of dead in line wheel, and two transposition wheels are connected with indexing mechanism with synchronous rotation up and down; All go up at transposition wheel up and down rotating shaft on two, two lower rotary shafts are set respectively; The end of last lower rotary shaft connects two last wrapping posts and two the following wrapping posts that are used for the coiling wire harness respectively; Two last wrapping posts and two following wrapping posts are all with transposition wheel axis symmetry; It can be connected last lower rotary shaft and drive with respect to all rotation mechanisms of the synchronous rotation of transposition runner up and down; Be provided with the wire cutting and stripping cutter between two transposition wheels up and down; Two wire stripping cuttves and the thread trimmer between two wire stripping cuttves about the wire cutting and stripping cutter includes; When relative and parallel a pair of going up on wrapping post and the following wrapping post behind the coiling wire harness, two transpositions wheel rotations synchronously are 180 ° up and down, the edge of a knife of the wire cutting and stripping cutter of the lead of wire harness rear end by being in open configuration; When the wire cutting and stripping cutter is closed, about two wire stripping cuttves wire sheath is sheared, thread trimmer is cut off lead simultaneously, when a pair of relative last rotating shaft and lower rotary shaft rotate synchronously, drive two pairs of wrapping posts and on wire harness rotate respectively, twine the multiturn lead at the waist of two wire harness and form bundle of lines.
Its operation principle: go up behind a wire harness at a pair of relative and parallel wrapping post (two wrapping posts up and down); Transposition wheel rotates 180 °, makes the edge of a knife of the wire cutting and stripping cutter of lead by being in open configuration of wire harness rear end; Wire cutting and stripping cutter closure then, about two wire stripping cuttves wire sheath is sheared, thread trimmer is cut off lead simultaneously; Another to relative and parallel wrapping post on another wire harness of coiling; Two rotating shafts all rotate drive two pairs of wrapping posts and on wire harness rotate, twine the multiturn lead at the waist of two wire harness and form bundle of lines; Simultaneously, the wire stylet of two bundle of lines moves with respect to being sheared crust, makes that being sheared crust breaks away from wire stylet from cutting off of lead.This mechanism is after cutting off lead and shearing crust, and when wire harness rotated online portion with a tight waist coiling lead, the wire termination crust of bundle of lines was peeled off, and has saved pulling wire sheath mechanism, simple and ingenious structure, and cost is low.
Above-mentioned wire cutting and stripping mechanism, indexing mechanism comprises transposition input gear, sleeve pipe; Two transposition wheels connect by sleeve pipe, and one of them transposition wheel is the transposition gear, the transposition input gears engaged in transposition gear and the indexing mechanism; Week, rotation mechanism comprised turnover input gear, central shaft, central gear up and down; Go up on rotating shaft and two lower rotary shafts for two and is connected epicyclic gear up and down respectively, pass sleeve pipe one central shaft top and the bottom and connect central gear up and down respectively, central gear is gone up epicyclic gear, two and is had enough to meet the need gears engaged down with two respectively up and down; Last central gear or following central gear and turnover input gears engaged.Its structure is just simpler like this, and reliable.Preferably the number of teeth of central gear is the even-multiple of the epicyclic gear number of teeth up and down, and after assurance transposition wheel rotated 180 °, the coiling mouth of wrapping post was convenient to follow-up coiling and discharging all the time toward the outer side up and down.
Above-mentioned wire cutting and stripping mechanism, two go up rotating shafts, two lower rotary shafts are all parallel with the transposition wheel axis; Wrapping post is perpendicular to last lower rotary shaft up and down.
Above-mentioned wire cutting and stripping mechanism, the edge of a knife of the wire cutting and stripping cutter in the wire cutting and stripping mechanism is positioned on the middle plane of relative wrapping post up and down, like this, the wire harness that is wound on wrapping post up and down after the transposition wheel rotates 180 °, from the lead of the wire harness rear end that the wire harness waist stretches out can be reliably the edge of a knife of wire cutting and stripping cutter by being in open configuration.
Description of drawings
Fig. 1 is the schematic diagram of frame.
Fig. 2 is the schematic diagram that contains coiling handle making machine of the present invention.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the B-B cutaway view of Fig. 2.
Fig. 5 is the E-E cutaway view of Fig. 2.
Fig. 6 is that the k of Fig. 2 is to partial view.
Fig. 7 is the D-D cutaway view of Fig. 2.
Fig. 8 is parts schematic diagrames such as wire cutting and stripping cutter.
Fig. 9 is the F-F cutaway view of Fig. 8.
Figure 10 is the pneumatic schematic diagram of wire cutting and stripping cutter.
Figure 11 is the schematic diagram (the L-L cutaway view of Figure 12) of parts such as all rotation mechanisms, indexing mechanism.
Figure 12 be Figure 11 the J-J cutaway view.
Figure 13 is the schematic diagram of parts such as wire cutting and stripping cutter, all rotation mechanisms, indexing mechanism.
Figure 14 is the I portion enlarged drawing among Fig. 7.
Figure 15 is the schematic diagram (the M-M cutaway view of Figure 16) of parts such as all rotation mechanisms.
Figure 16 be Figure 15 the N-N cutaway view.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Wire cutting and stripping mechanism 400:
Referring to Figure 11,12, totally 6 in wire cutting and stripping mechanism.Be that example describes now only with one of them, it comprise two up and down relatively and the last transposition of dead in line take turns 401 with following transposition gear 402, between them by fixedlying connected with the sleeve pipe 602 of its dead in line.On last transposition wheel, rotate respectively and be provided with two being much of rotating shaft 403,404; All go up the lower rotary shaft 405,406 that rotation respectively is provided with two symmetries at following transposition gear; The axis of two last rotating shafts, two lower rotary shafts and last transposition wheel is parallel to each other; Last rotating shaft 403 is relative up and down with lower rotary shaft 405, and their dead in line.Last rotating shaft 404 is relative up and down with lower rotary shaft 406, and their dead in line.Two ends of going up rotating shaft 403,404 connect upward wrapping post 407,408 by block 504 respectively.Two axis of going up wrapping posts 407,408 all vertical and pass through on the straight line of axis of transposition wheel.The end of two lower rotary shafts 405,406 connects wrapping post 409,410 down by block 504 respectively.The axis of two following wrapping posts 409,410 all vertical and pass through on the straight line of axis of transposition wheel.Last rotating shaft 403 and the last wrapping post 407 that connects thereon are relative up and down with lower rotary shaft 405 and connection following wrapping post 409 thereon, and last rotating shaft 404 and the last wrapping post 408 that connects thereon are relative up and down with lower rotary shaft 406 and connection following wrapping post 410 thereon.Last wrapping post 407 and following wrapping post 409 are configured for the drum stand 411 of coiling wire harness, and last wrapping post 408 and following wrapping post 410 are configured for the drum stand 412 of coiling wire harness.Drum stand 411 and drum stand 412 are with transposition wheel axis symmetry.When winding mechanism on wrapping post up and down during the coiling wire harness, up and down the coiling mouth of wrapping post (head end of wrapping post) all the time along last transposition wheel radially toward the outer side, be convenient to coiling and discharging.
Wrapping post up and down in the wire cutting and stripping mechanism is perpendicular to last lower rotary shaft.
It can be connected last lower rotary shaft and drive with respect to all rotation mechanisms of the synchronous rotation of transposition wheel up and down; Be provided with the wire cutting and stripping cutter between two transposition wheels up and down; Two wire stripping cuttves and the thread trimmer between two wire stripping cuttves about the wire cutting and stripping cutter includes; When winding mechanism a pair of relative and parallel on wrapping post and the following wrapping post behind the coiling wire harness, two transpositions wheel rotations synchronously are 180 ° up and down, the edge of a knife of the wire cutting and stripping cutter of the lead of wire harness rear end by being in open configuration; When the wire cutting and stripping cutter is closed, about two wire stripping cuttves wire sheath is sheared, thread trimmer is cut off lead simultaneously; When relative last rotating shaft and lower rotary shaft rotate synchronously, drive two pairs of wrapping posts and on wire harness rotate respectively, twine the multiturn lead at the waist of two wire harness and form bundle of lines 901; That bundle of lines that began coiling before the transposition wheel rotates is unloaded in the shedding mechanism action.
Wire cutting and stripping mechanism 400 also comprises 700,6 wire cutting and stripping cutters 800 of 600,6 all rotation mechanisms of 6 indexing mechanisms.
Indexing mechanism 600:
Only an indexing mechanism 600 describes for example now.Referring to Figure 11,12, indexing mechanism 600 comprises sleeve pipe 602, transposition input gear 601, imports transposition output gear, position rotaring motor 603, the spring bearing 604 that gear 601 is meshed with transposition.Last transposition wheel 401 and following transposition gear 402 all are rotationally connected with on the central shaft 702 by spring bearing 604.Gear 601, transposition output gear are imported in transposition, position rotaring motor 603 all has only one, is that six indexing mechanisms are public.Position rotaring motor 603 is fixed on the frame, and it drives transposition input gear 601 by the transposition output gear and rotates.Transposition input gear 601 promptly drives and is engaged on the following transposition gear 402 of its circumferential 6 respectively and rotates, and following transposition gear 402 and last transposition wheel 401 are connected by sleeve pipe 602, and 401 rotations are synchronously taken turns in a following transposition gear 402 and last transposition.
All rotation mechanisms 700:
Only all rotation mechanism 700 describes for example now.Referring to Figure 11,15,16, all rotation mechanisms 700 comprise all rotating motors 720, the turnover output gear of order engagement, turnover input gear 701, transition wheel 709, central shaft 702, central gear, epicyclic gear up and down up and down.The top and the bottom that central shaft 702 passes sleeve pipe 602 connect two moduluses, last central gear 707 and following central gear 708 that the number of teeth is identical by key respectively, and the upper and lower side of central shaft 702 is rotatably connected on the frame 4 by bearing 711 respectively.Go up in the rotating shafts 403,404 fixedly connected respectively two for two and go up fixedly connected respectively two following epicyclic gears 705,706 on 703,704, two lower rotary shafts 405,406 of epicyclic gear.The modulus of epicyclic gear, the number of teeth are all identical up and down.Last central gear is gone up the turnover gears engaged with two respectively, and following central gear has enough to meet the need gears engaged down with two respectively, following central gear and transition wheel 709 engagements.Gear 701, turnover output gear are imported in turnover, all rotating motors 720 all have only one, are that six all rotation mechanisms are public.All rotating motors 720 are fixed on the frame, it drives turnover input gear 701 by the turnover output gear and rotates, turnover input gear 701 promptly drives and is engaged on its 6 circumferential transition wheels, 709 rotations respectively, transition wheel 709 drives down again, and central gear 708 rotates, because central gear and last central gear all are connected on the central shaft down, following central gear and last central gear all promptly rotate synchronously.
The number of teeth of last central gear is the even-multiple of the epicyclic gear number of teeth, guarantee that the transposition wheel rotates 180 ° after, up and down the coiling mouth of wrapping post (head end of wrapping post) all the time along last transposition wheel radially toward the outer side, be convenient to follow-up coiling and discharging.
Wire cutting and stripping cutter 800:
Only a wire cutting and stripping cutter 800 describes for example now.Referring to Fig. 8-10, the wire cutting and stripping cutter comprises source of the gas 801, pneumatic triple piece 809, two-position four-way solenoid directional control valve 802, shearing cylinder 803, shears compositions such as support 804, force transmission mechanism 805, cutting blade 806, pin 807, ledger-plate 808.Source of the gas 801 connects shearing cylinder 803 by two-position four-way solenoid directional control valve 802 behind pneumatic triple piece.Be used to support the shearing support 804 of shearing cylinder 803, force transmission mechanism 805 and ledger-plate 808 and be fixed on frame 4 by fixed axis 1000.Force transmission mechanism 805 comprises drive connecting rod 806, transition connecting rod 810.Drive connecting rod 806 1 ends are hinged on to be sheared on the support 804; The two ends of transition connecting rod 810 are hinged with drive connecting rod 806, cutting blade 806 respectively.Cutting blade 806 is hinged by pin 807 and ledger-plate 808.Three groups of blades are arranged on cutting blade and the corresponding ledger-plate, and wherein two groups of blades constitute 811, one groups of blades of wire stripping cutter (cutting the insulating barrier set of blades) and constitute thread trimmer (cutter blades group) 812.The cutter blades group is cut between the insulating barrier set of blades at two groups.Three groups of blades are arranged along transposition wheel chordwise direction on the plane perpendicular to the transposition wheel axis.The edge of a knife of three groups of blades is positioned on the relative centre of wrapping post up and down and the plane perpendicular to the transposition wheel axis, like this, the wire harness that is wound on wrapping post up and down after the transposition wheel rotates 180 °, from the lead of the wire harness rear end that the wire harness waist stretches out can be reliably the edge of a knife of wire cutting and stripping cutter by being in open configuration.
The opening and closing movement of wire cutting and stripping cutter is controlled by PLC control two-position four-way solenoid directional control valve 802.A two-position four-way solenoid directional control valve left side (on) must be electric, pressure-air enters shears the cylinder left end, and piston rod advances, by force transmission mechanism cutting blade is rotated around pin 807 with respect to ledger-plate, the edge of a knife closure of three groups of blades is cut off in the middle of the lead, and insulating barrier is broken at two ends.The two-position four-way solenoid directional control valve right side (descending) gets electric, shears cylinder piston rod and retreats cutting blade backward rotation, the edge of a knife closure of three groups of blades.
In 6 wire cutting and stripping mechanisms 400, totally 12 pairs up and down in the wrapping post (when winding mechanism coiling wire harness) near 6 couple of guide rod axis be distributed on guide rod 3 circumferentially, in addition (when winding mechanism coiling wire harness) away from 6 couple of guide rod axis also be distributed on guide rod 3 circumferentially.
Automatic control system 1100 comprises plc (Programmable Logic Controller) among the figure, and the action of parts such as all rotating motors, position rotaring motor, shearing cylinder is controlled in its output respectively.
Comprise also among the figure that around " 8 " word machine structure (winding mechanism) 300 it can be wound on lead under a pair of wrapping post up and down.Owing to, no longer describe around " 8 " word machine structure and onrelevant of the present invention.Also comprise shedding mechanism 500 among the figure, it can be the good bundle of lines of coiling from unloading from drum stand.Because shedding mechanism and onrelevant of the present invention are no longer described.
Position rotaring motor begins action under program control, drive transposition down and rotate Rotate 180 degree (this moment, central gear was motionless up and down).Epicyclic gear and lead frame thereof were around central gear week turnback about following transposition gear rotation drove; The lead frame 412 that makes the right side be wound with wire harness forwards the left side to, will introduce the edge of a knife of wire cutting and stripping cutter from the lead of the wire harness rear end that the wire harness waist stretches out, and left side hollow wire frame 411 forwards the right side to.The number of teeth of last central gear is the even-multiple of the epicyclic gear number of teeth, and the coiling mouth is convenient to coiling and discharging all the time toward the outer side when guaranteeing two lead frame 411,412 dislocations.The action of shearing cylinder, the edge of a knife of wire cutting and stripping cutter closes, and the wire insulation of both sides is cut off and broken at the lead middle part.Behind the trimming, the winding mechanism action, drive traction tube with the coiling of the wrapping post up and down wire harness of its radially relative drum stand 411 after after, the turnover motor action, central gear rotates (transposition gear is motionless at present for this) simultaneously up and down, epicyclic gear rotates around rotating shaft separately respectively up and down, the wire harness that drives two drum stands of the left and right sides and reach on the drum stand rotates the n commentaries on classics simultaneously in the same way, twining lead formation bundle of lines 901 toward the wire harness waist when, cut off and broken the lead of insulating barrier to the both sides tractive, realized the wire stripping action.