The oscillating cylinder material pressing device of pattern sewing machine automatic feeding
Technical field:
The utility model belongs to the sewing machine technique field, refers in particular to a kind of oscillating cylinder material pressing device of pattern sewing machine automatic feeding.
Background technology:
Pattern sewing machines etc. need to carry out feeding before making and being arranged on tailoring cloth, need cloth is pushed down the transmission that just can guarantee cloth in feeding process.In the prior art, adopt cylinder is arranged on the cylinder mount pad, the cylinder mount pad is mobile at guide rail, and the cylinder rod of cylinder moves up and down, and cylinder rod presses down pushes down cloth, then by the movement of cylinder on guide rail cloth is delivered to and is made the zone.This structure exists following weak point: the one, and very high to the depth of parallelism requirement of guide rail; The 2nd, complex structure, cost is high.
Summary of the invention:
The purpose of this utility model provides a kind of oscillating cylinder material pressing device of simple in structure, cost is low, reliability is strong pattern sewing machine automatic feeding.
The utility model is achieved in that
The oscillating cylinder material pressing device of pattern sewing machine automatic feeding, be provided with axle at base, be provided with the monaural articulating seat that can rotate around the axis at axle, be fixed with cloth-pressing claw at monaural articulating seat, be provided with cylinder at base, the compress action that air cylinder driven monaural articulating seat sways and realizes cloth-pressing claw.
Above-mentioned monaural articulating seat is to be provided with front apron between biside plate, biside plate is set in the two ends of axle, dextrorotation torsion spring and left-handed torsion spring are set in the two ends of the axle outside the biside plate, and an end of dextrorotation torsion spring and left-handed torsion spring is separately positioned on the axle, the other end is separately positioned on the corresponding side plate, and dextrorotation torsion spring and left-handed torsion spring drive cloth-pressing claw and automatically lift after the cylinder action is removed.
The concrete structure that the above-mentioned bottom at monaural articulating seat is fixed with cloth-pressing claw is: the bottom welding of the inner chamber that forms at the front apron of monaural articulating seat and biside plate has welded plate, below welded plate, be disposed with cloth-pressing claw, pressing plate stator, be connected on the welded plate by an end, the pressing plate stator of screw with cloth-pressing claw.
Above-mentioned cloth-pressing claw is L-shaped, and an end of vertical portion is connected between welded plate and the pressing plate stator, and horizontal part is arranged on outside the monaural articulating seat.
The horizontal part of above-mentioned cloth-pressing claw and the axis of axle be arranged in parallel.
Above-mentioned axle is fixed by screws on the base.
Above-mentioned cylinder is fixed on the top of base by the cylinder mount pad, the axis of cylinder rod is perpendicular to the axis of axle, and the head of cylinder rod is provided with spherojoint, and the balloon joint stretches into monaural articulating seat inner chamber and is connected with the front apron contact of monaural articulating seat.
Above-mentioned base is arranged on the slide plate Connection Block.
The advantage that the utility model is given prominence to compared to existing technology is:
The utility model pressing down and automatically lifting by cylinder and torsion spring control cloth-pressing claw, and is simple in structure, cost is low, reliability is strong, and assembling is simple, is applicable on the sewing device of the more remote work feed of various needs.
Description of drawings:
Fig. 1 is exploded perspective view of the present utility model;
Fig. 2 is one of schematic perspective view of the present utility model;
Fig. 3 is two of schematic perspective view of the present utility model;
Fig. 4 is the schematic diagram that the utility model is unkitted cylinder;
Fig. 5 is that cloth-pressing claw of the present utility model is installed in the schematic diagram on the monaural articulating seat.
The specific embodiment:
The below is further described the utility model with specific embodiment, referring to Fig. 1-5:
The oscillating cylinder material pressing device of pattern sewing machine automatic feeding, be provided with axle 20 at base 10, being provided with at axle 20 can be around the monaural articulating seat 30 of axle 20 rotations, be fixed with cloth-pressing claw 40 at monaural articulating seat 30, be provided with cylinder 50 at base 10, cylinder 50 drives monaural articulating seat 30 and rotates the compress action that realizes cloth-pressing claw 40 around axle 10.
Above-mentioned monaural articulating seat 30 is at biside plate 301, be provided with front apron 303 between 302, biside plate 301,302 are set in the two ends of axle 10, dextrorotation torsion spring 60 and left-handed torsion spring 70 are set in biside plate 302, the two ends of the axle 10 outside 301, be provided with open slot 201 at the two ends of axle 10, at biside plate 301, the relevant position is provided with open slot 304 on 302, one end of dextrorotation torsion spring 60 and left-handed torsion spring 40 is separately positioned on the open slot 201 of axle 10, the other end is separately positioned on corresponding side plate 302, on 301 the open slot 304, dextrorotation torsion spring 60 and left-handed torsion spring 70 drive cloth-pressing claw 40 and automatically lift when cylinder 50 action solutions are rear.
The concrete structure that the above-mentioned bottom at monaural articulating seat 30 is fixed with cloth-pressing claw 40 is: at front apron 303 and the biside plate 301 of monaural articulating seat 30, the bottom welding of 302 inner chambers that form welded plate 80 is arranged, below welded plate 80, be disposed with cloth-pressing claw 40, pressing plate stator 90, be connected on the welded plate 80 by an end, the pressing plate stator 90 of screw with cloth-pressing claw 40.
Above-mentioned cloth-pressing claw 40 is L-shaped, and an end of vertical portion 401 is connected between welded plate 80 and the pressing plate stator 90, and horizontal part 402 is arranged on outside the monaural articulating seat 30.
The horizontal part 402 of above-mentioned cloth-pressing claw 40 be arranged in parallel with the axis of axle 20.
Above-mentioned axle 20 is fixed by screws on the base 10.
Above-mentioned cylinder 50 is fixed on the top of base 10 by cylinder mount pad 100, the axis of cylinder rod 501 is perpendicular to the axis of axle 20, the head of cylinder rod 501 is provided with spherojoint 502, and spherojoint 502 stretches into monaural articulating seat 30 inner chambers and is connected with front apron 303 contacts of monaural articulating seat 30.Be provided with bar-shaped trough 1001 at cylinder mount pad 100, can be used to the distance between the front apron 303 of adjusting cylinders 50 and monaural articulating seat 30.Cylinder 50 of the present utility model adopts the common double active cylinder.
Above-mentioned base 10 is arranged on the slide plate Connection Block 110.
Operation principle of the present utility model:
The cylinder rod 501 of cylinder 50 of the present utility model is protruding, spherojoint 502 acts on the front apron 303 of monaural articulating seat 30, monaural articulating seat 30 can rotate around axle 20, drive cloth-pressing claw 40 and realize the compress action, the utility model is installed on the slide plate by slide plate Connection Block 110, at moving feeding on the slide plate after make the zone, cylinder rod 501 retractions of cylinder 50, under the effect of dextrorotation torsion spring 60 and left-handed torsion spring 70, monaural articulating seat 30 lifts automatically, drive cloth-pressing claw 40 and leave cloth, the utility model oppositely moves away on slide plate.
Above-described embodiment only is one of preferred embodiment of the present utility model; be not to limit practical range of the present utility model with this; therefore: all equivalences of doing according to shape of the present utility model, structure, principle change, and all should be covered by within the protection domain of the present utility model.