The multi-knife longitudinal machine
(1) technical field:
The present invention relates to a kind of rubber and plastics machine, particularly a kind of multi-knife longitudinal machine that is used for the thin film of calendering is vertically cut continuously and rolls into by required width the adhesive tape reel.
(2) background technology:
At present, all there is a common problem in this kind equipment in the rubber and plastics machine, be that the diameter along with the adhesive tape reel constantly changed after film cut, the linear velocity of batching is wayward synchronously, and the suitable and degree of uniformity of tightening degree is uncontrollable between adhesive tape, so cause the adhesive tape reel elasticity of roll-forming inconsistent, yielding, the one-tenth that has dish shape, even own diffusing the taking off that has, can't use, make to produce to be affected.
(3) summary of the invention:
The objective of the invention is to design a kind of multi-knife longitudinal machine, it has done to improve and innovation to the structure of cut-off knife group and coiling system, make and cut and batch reasonable the cooperation, solved above-mentioned technical barrier satisfactorily, it is good to make it result of use, has realized that the winding core wheel quality after severing is batched is good, the output height, outward appearance is neat, deposits indeformable technical requirements in the long-term storehouse.
Technical scheme of the present invention: a kind of multi-knife longitudinal machine, comprise and lead out partly, access platform, rolling cut cutting device, passive batch up gear and clout collection apparatus, the mouth of leading out part accesses the flat-bed input end, access the input end of flat-bed mouth connection rolling cut cutting device and passive batch up gear, clout collection apparatus and rolling cut cutting device and passive batch up gear be the chassis altogether, it is characterized in that its rolling cut cutting device and passive batch up gear become a whole linkage according to the wipe contact of rolling cut roller; Said rolling cut cutting device is made up of frame, rolling cut roller, alternating-current variable frequency motor, cut-off knife group, cylinder a; The rolling cut roller is fastened on the frame of the left and right sides by screw by bearing, alternating-current variable frequency motor is connected with the rolling cut roller by belt in right frame lower, the cut-off knife group is below the rolling cut roller, by screw retention on the frame of the left and right sides, cylinder a below the cut-off knife group by screw retention on frame, the cylinder rod of cylinder a links to each other with cut-off knife seat in the cut-off knife group; Said passive batch up gear is formed by being symmetrical in little axle of swing arm, swing arm anchor shaft, cylinder c, gear, tooth bar, winding and the expansion set that the rolling cut roller installed; One end sky of the swing arm that said symmetry is installed be enclosed within be positioned at rolling cut roller two side lower parts and parallel, be symmetrical on the anchor shaft of rolling cut roller, the other end is equipped with and twines little axle, twine little outer shaft sleeve expansion set is arranged, the two ends of anchor shaft are fixed on the frame, gear is installed on the bearing seat major axis on anchor shaft right side, the top of wheel and rack is meshed, and the bottom of tooth bar is connected with the piston rod of cylinder c, and cylinder c is fixed on the frame of bottom; Said clout collection apparatus be by be fixed on the frame collect roller and guiding mechanism constitutes, collecting between roller and rolling cut roller has drive sprocket, the axis of collecting the axis of roller and guiding mechanism is perpendicular.
Above-mentioned said cut-off knife group is made of cut-off knife, cut-off knife seat, dovetail mount, dovetail mount support, mechanical pin, cylinder b; Said cut-off knife is made up of circular shear blade, single action cylinder, miniature axle, groove, retracing spring; Cut-off knife is installed on the cut-off knife seat, the dovetail mount of cut-off knife seat below it is groove and is connected, and on the dovetail mount support, respectively there is a mechanical pin dovetail mount inboard to dovetail mount by screw retention, its top is connected with the cut-off knife seat, and the bottom is connected with cylinder b on being installed in the dovetail mount support; Circular shear blade is installed on the blade bearing by the miniature axle and the miniature bearing at its center in the cut-off knife, and retracing spring is equipped with in the bottom of seat, and the bottom of retracing spring links to each other with the rubber piston of single action cylinder, and there are clamping plate the blade both sides and the groove that moves for blade is arranged on it.
Swing arm in the above-mentioned said passive batch up gear and the angle a value between the swing arm anchor shaft should be at 40 °.
Principle of work of the present invention: at first, film roll is placed on to lead on the evolution thick stick and by the frictional damping wheel film is led out, then, through nip rolls, fabric guide roll, access platform (when a last dish film roll lead end finish after, next coil film roll and last one the dish film roll splice herein to guarantee continuous severing) after enter the rolling cut system, film is close between cut-off knife and the rolling cut tube roller, the air cylinder driven cut-off knife cuts, adhesive tape after cutting is being twined the adhesive tape spooling on the core wheel by the effect of twining friction force between the core wheel three on rolling cut roller and the swing arm, at last, cut back discarded adhesive tape limit and plastics shield and batch, cut one and batch the overall process that a clout is handled thereby finish from leading out one by the roller of collecting on the clout collection apparatus.
Wherein in the rolling cut cutting device, when film to be cut is between rolling cut roller and cut-off knife group, cylinder a promotes the cut-off knife seat and advances, single action cylinder ventilation simultaneously, piston is released blade, and circular shear blade compressed film and made film be close to rolling cut roller driving surface this moment, and the rolling cut roller drives active rotation by alternating-current variable frequency motor, the circular shear blade frictionally is the passive rotation in center with miniature axle, finishes the rolling cut severing to film.Antagonistic force between cut-off knife group and the rolling cut roller is controlled by two mechanical pin, and its locking propulsion source guarantees that from two cylinder b cut-off knife can be disconnected with film and the extruding of plastics shield.When needs replacing film, cylinder b decompression, retracing spring diastole in the blade, blade is return by the action of gravity compression spring, and cylinder a makes the cut-off knife group retreat simultaneously, returns the preceding ready position of severing.
In addition in passive batch up gear, twining the core wheel is installed on the little axle of winding, be locked by expansion set, the adhesive tape of being cut off by roll extrusion is close between rolling cut roller and the winding core wheel, the passive spooling of friction force that leans on rolling cut roller and winding core wheel is on the core wheel, for guaranteeing the degree of tightness appropriateness of roll of adhesive strip, the pressure that batches that derives from cylinder c increases along with the diameter of roll of adhesive strip and reduces gradually, process is the cylinder ventilation, cylinder piston drives tooth bar and moves, gear rotates, thereby drive the anchor shaft rotation swing arm that is enclosed within on the anchor shaft is moved, and its top winding core wheel changes to the pressure of rolling cut roller, thereby (pressure is excessive for the reeling quality of adhesive tape after the assurance severing, the outer tight capacity distortion of pine in the take-up reel, pressure is too small, batches difficulty).
Preceence of the present invention is: 1. this equipment can be accomplished the comprehensive interlock effect that film cuts synchronously and batches and clout is handled immediately, has reduced and simplified existing complicated batch up gear with longitudinal cutting machine; 2. realize the linear velocity high precision synchronous that film cuts and batches, all more more accurate, efficient than the laser propagation effect of any Fu, reliable; 3. the rolling cut mode of cut-off knife is simple in structure in the rolling cut batch up gear, and service life, more shearing blade will improve more than 20 times; 4. realized the client cut into two exact halves have no progeny roll finished product (adhesive tape tep reel) output height, quality is good, outward appearance is neat, the indeformable serious hope requirement of lengthy warehousing; 5. the setting of the optimization angle of swing arm and swing arm shaft in the passive batch up gear has improved the quality that adhesive tape is batched after the severing; 6. having improved efficiency, reduced labour intensity, is a kind of novel tire parts manufacturing equipment with fine market outlook.
(4) description of drawings:
Fig. 1 is the integral structure scheme drawing (wherein Fig. 1-a is a front elevation, and Fig. 1-b is the birds-eye view of Fig. 1-a) of the related multi-knife longitudinal machine of the present invention.
Fig. 2 is the rolling severing and the passive linkage structural representation (wherein Fig. 2-a is a front elevation, and Fig. 2-b is the birds-eye view of Fig. 2-a) that batches of the related multi-knife longitudinal machine of the present invention.
Fig. 3 is the rolling cut cutting device structural representation in the related multi-knife longitudinal machine of the present invention (wherein Fig. 3-b is a front elevation, and Fig. 3-a is that the N-N of Fig. 3-b is to lateral plan).
Fig. 4 is cut-off knife structural representation in the rolling cut cutting device of the related multi-knife longitudinal machine of the present invention (wherein Fig. 4-a is a front elevation, and Fig. 4-b is that the A-A of Fig. 4-a is to view).
Fig. 5 is the passive batch up gear structural representation (wherein Fig. 5-a is a front elevation, and Fig. 5-b is the swing arm side position view among Fig. 5-a) in the related multi-knife longitudinal machine of the present invention.
Fig. 6 is the optimization angle structural representation of swing arm in the passive batch up gear of the related multi-knife longitudinal machine of the present invention and swing arm shaft.
Wherein: 1 for leading out part, and 2 for accessing platform, and 3 is the rolling cut cutting device, 4 is passive batch up gear, and 5 is the clout collection apparatus, and 6 for leading the evolution thick stick, 7 are the frictional damping wheel, and 8 is nip rolls, and 9 is fabric guide roll, 10 is film, and 11 is the cut-off knife group, and 12 is the rolling cut roller, 13 is cylinder a, and 14 is adhesive tape, and 15 is swing arm, 16 for twining the core wheel, and 17 is the plastics shield, and 18 for collecting roller, 19 is frame, and 20 is cut-off knife, and 21 is circular knife, 22 is the single action cylinder, and 23 is the cut-off knife seat, and 24 is dovetail mount, 25 is miniature axle, and 26 is blade bearing, and 27 is groove, 28 is retracing spring, and 29 is mechanical pin, and 30 is cylinder b, 32 is cylinder c, and 33 is gear, and 34 is tooth bar, 35 for twining little axle, and 36 is expansion set, and 37 is the swing arm anchor shaft, 38 is the bearing seat major axis, and 39 is cylinder piston rod, and 40 is alternating-current variable frequency motor, 41 is take-up reel, and 42 is the dovetail mount support, and 43 is blade both sides clamping plate.
(5) specific embodiment:
Embodiment: a kind of multi-knife longitudinal machine (is seen accompanying drawing 1-a, 1-b and Fig. 2-a, 2-b), comprise and lead out part 1, access platform 2, rolling cut cutting device 3, passive batch up gear 4 and clout collection apparatus 5, the mouth of leading out part 1 accesses the input end of platform 2, the mouth that accesses platform 2 connects the input end of rolling cut cutting device 3 and passive batch up gear 4, clout collection apparatus 5 and rolling cut cutting device 3 and passive batch up gear 4 be chassis altogether, and the rolling cut cutting device 3 that it is characterized in that it and passive batch up gear 4 become a whole linkage according to the wipe contact of rolling cut roller 12.
Above-mentioned said rolling cut cutting device (see accompanying drawing 2-a, 2-b, 3-a 3-b) is made up of frame 19, rolling cut roller 12, alternating-current variable frequency motor 40, cut-off knife group 11, cylinder a13; Rolling cut roller 12 is fastened on the left and right sides frame 19 by screw by bearing, alternating-current variable frequency motor 40 is connected with rolling cut roller 12 by belt in right frame 19 bottoms, cut-off knife group 11 is below rolling cut roller 12, by screw retention on left and right sides frame 19, cylinder a13 below the cut-off knife group 11 by screw retention on frame 19, the cylinder rod of cylinder a13 links to each other with cut-off knife seat 23 in the cut-off knife group 11.
Above-mentioned said cut-off knife group 11 (see accompanying drawing 3-a, 3-b, 4-a 4-b) is made of cut-off knife 20, cut-off knife seat 23, dovetail mount 24, dovetail mount support 42, mechanical pin 29, cylinder b30; Said cut-off knife 20 (is seen accompanying drawing 4-a, 4-b) is made up of circular shear blade 21, single action cylinder 22, miniature axle 25, groove 27, retracing spring 28; Cutting out 20 is installed on the cut-off knife seat 23, the dovetail mount 24 of cut-off knife seat 23 below it is groove and is connected, dovetail mount 24 by screw retention on dovetail mount support 42, respectively there is a mechanical pin 29 dovetail mount 24 inboards, its top is connected with cut-off knife seat 23, and the bottom is connected with cylinder b30 on being installed in dovetail mount support 42; Circular shear blade 21 is installed on the blade bearing 26 by the miniature axle 25 and the miniature bearing at its center in the cut-off knife 20, retracing spring 28 is equipped with in the bottom of seat 26, the bottom of retracing spring 28 links to each other with the rubber piston of single action cylinder 22, and there are clamping plate 43 blade 21 both sides and the groove 27 that moves for blade is arranged on it.
Above-mentioned said passive batch up gear (is seen accompanying drawing 5-a, 5-b) by being symmetrical in swing arm 15, swing arm anchor shaft 37, cylinder c32, gear 33, tooth bar 34 that rolling cut roller 12 installs, twining little axle 35 and expansion set 36 is formed; One end sky of the swing arm 15 that said symmetry is installed is enclosed within and is positioned on 12 liang of side lower parts of rolling cut roller and parallel, as to be symmetrical in rolling cut roller 12 anchor shaft 37, the other end is equipped with and twines little axle 35, twine the little axle 35 outer expansion sets 36 that are with, the two ends of anchor shaft 37 are fixed on the frame 19, gear 33 is installed on the bearing seat major axis 38 on anchor shaft 37 right sides, gear 33 is meshed with the top of tooth bar 34, the bottom of tooth bar 34 is connected with the piston rod 39 of cylinder c32, and cylinder c32 is fixed on the frame 19 of bottom.
Swing arm 15 in the above-mentioned said passive batch up gear and the angle α value (seeing accompanying drawing 6) between the swing arm anchor shaft 37 should be at 40 °.
Above-mentioned said clout collection apparatus (see accompanying drawing 1-a, 1-b) be by be fixed on the frame 19 collect roller 18 and guiding mechanism constitutes, collecting 12 of roller 18 and rolling cut rollers has drive sprocket, collects the axis of roller 18 and the axis perpendicular (seeing accompanying drawing 1-a) of guiding mechanism.