CN2272447Y

CN2272447Y - Rope wheel type woven dobby

Info

Publication number: CN2272447Y
Application number: CN 96232360
Authority: CN
Inventors: 史科达
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-07-17
Filing date: 1996-07-17
Publication date: 1998-01-14
Anticipated expiration: 2006-07-17

Abstract

The utility model relates to a rope wheel type woven dobby, which is composed of a transmission mechanism, a cam mechanism, a knife blade mechanism, an opening operating mechanism, a front wallboard, a rear wallboard and a dobby device. A U-shaped middle knife blade is connected to a vertical blade and a blade connecting rod. A large blade is hinged on the wire gripping head of the dobby device. The knife blade connecting rod is hung on an adjusting block. Tooth shape tooth schlierens on the adjusting block are engaged on tooth shape tooth schlierens on the large blade. The utility model can offer sheds with low textile defect rate, high capability and high definition for silk looms and cotton weaving shuttle weaving machines, and is suitable for products with middle broadloom and heavy weight.

Description

Cable pulley type tatting dobbies

The utility model relates to a kind of cable pulley type tatting dobbies, is installed in loom shuttle changing side top, with the supporting use of loom, finishes as shedding mechanism and to weave activity, be mainly used in silk weaving shuttle machine or in the cotton of the wide door width of cloth knit the supporting use of loom.

At present, the supporting dobbies of silk weaving loom extensively adopts old-fashioned rocker-type list suspension centre triangle to promote heald frame, organizine is opened sufficient no quiescent time at opening, big blade can not be adjusted the opening traverse separately, can not obtain the fine definition shed open, and bearing capacity is poor, is difficult to do the wide cut hit product, because the knitting technology satisfaction degree is poor, the higher product quality that influences of float rate improves.

The purpose of this utility model provides a kind ofly can knit loom for silk weaving, cotton and provide the float rate low, and bearing capacity is big, obtains the cable pulley type tatting dobbies of the wide cut the done hit product of fine definition shed open.

A kind of cable pulley type tatting dobbies, by transmission mechanism, cam mechanism, blade mechanisms, opening executing agency, front wallboard 46, rear wall plate 45 and heald lifting device are formed, opening executing agency is by U-shaped intermediate blades 28, blade connecting rod 29, big blade 30 and adjustment piece 47 are formed, U-shaped intermediate blades 28 1 ends are contained on rear wall plate 45 and the front wallboard 46 by axle, the other end is actively socketed on perpendicular blade 27 and the blade connecting rod 29, big blade 30 1 ends are contained on rear wall plate 45 and the front wallboard 46 by axle, the other end is hinged on the steel wire chuck 32 of heald lifting device, blade connecting rod 29 and monoblock 47 hinges, the profile of tooth tooth line engagement on profile of tooth tooth line on the adjustment piece 47 and the big blade 30.

Below in conjunction with accompanying drawing the utility model is further described below.

Fig. 1 is the utility model structure chart.

Fig. 2 is the utility model blade mechanisms structure chart.

Fig. 3 is the utility model running part schematic diagram.

Fig. 4 is the utility model opening executing agency fundamental diagram.

Fig. 5 is the utility model cam curve characteristic pattern.

Fig. 6 is the structure chart of U-shaped intermediate blades 28.

Fig. 7 is peg 24 and card 23 structure charts.

Fig. 8 is the utility model cam mechanism structure chart.

Fig. 9 is the utility model driver composition.

Cam mechanism is made up of camshaft 8, cam 9, rotor 10, slide link 11, fixed core square slide block 12 and rotor mandrel 42, cam 9 is packed on the camshaft 8, fixed core square slide block 12 kinks are on camshaft 8, two rotor mandrels 42 are packed on the slide link 11, two rotor 10 removable mountings are in two rotor mandrels 42, fixed core square slide block 12 removable mountings are in the elongated slot of slide link 11, and slide link 11 can reciprocatingly slide on fixed core square slide block 12.

In the contour curve of cam 9, cam 9 long radius R and minor radius r respectively have one section arc chord angle α 1=α 2, are 180 ° of layouts, left and right sides contour curve symmetry, and the intersection point A and the B of any straight line by cam 9 centre of gyration Q all meet AQ+BQ=R+r.

Transmission mechanism is made up of sprocket wheel 4, side shaft 5,

bevel gear

6,7, camshaft 8, cam 9, bearing block 43 and outstanding outward U-shaped support 44, sprocket wheel 4, bevel gear 6 are packed on the side shaft 5, bevel gear 7, cam 9 are packed on the camshaft 8, side shaft 5 removable mountings are on bearing block 43, bearing block 43 is packed on the outer outstanding U-shaped support 44, outer outstanding U-shaped support 44 is packed on the rear wall plate 45, camshaft 8 vertical side shafts 5 and removable mounting rear wall plate 45, front wallboard 46, outside hang in three place's plain bearing bores on the U-shaped support 44.

Blade mechanisms by last drag hook 39, down drag hook 26, perpendicular blade 27, go up broaching tool 17, down broaching tool 18, go up broaching tool connecting rod 15, broaching tool connecting rod 16, swing arm 14, ratchet 20, ratchet 21, cylindrical fireworks 22, card 23, peg 24, bent cabrage foot piece 25, straight cabrage foot piece 37 and perpendicular pin 38 are formed down.Last drag hook 39, following drag hook 26 are being contained on the U-shaped intermediate blades 28 behind fulcrum 48 and 40 with perpendicular blade 27 upper/lower terminal hinges.Last drag hook 39 and last broaching tool 17 engagements, following drag hook 26 and following broaching tool 18 engagements, last broaching tool 17 and following broaching tool 18 slide in the chute of rear wall plate 45 and front wallboard 46.Last broaching tool connecting rod 15 1 ends and 17 loose joints of last broaching tool, the other end and swing arm 14 1 end loose joints, following broaching tool connecting rod 16 1 ends and following broaching tool 18 loose joints, the other end loose joint of the other end and swing arm 14, swing arm 14 middle part C points and front wallboard 46 and rear wall plate 45 loose joints.Hinge ratchet 20 on the swing arm 14, ratchet 20 drives ratchet 21, cylindrical fireworks 22, card 23 and peg 24.Bent cabrage foot piece 25 and straight cabrage foot piece 37 be in the loose joint of P point, and the P point is that an axle is packed on rear wall plate 45, the front wallboard 46, erects pin 38 and is bearing on the straight cabrage foot piece 37.

The D point of U-shaped intermediate blades 28 1 ends of opening executing agency is an axle, and on the front wallboard 46 of packing into, the rear wall plate 45, the H of the other end is point articulated on perpendicular blade 27, and M is point articulated on blade connecting rod 29, and blade connecting rod 29 and adjustment piece 47 are at G point hinge.Big blade 30 1 end E points are an axle, and on the front wallboard 46 of packing into, the rear wall plate 45, another section is hinged on the steel wire chuck 32.Adjust the profile of tooth embossing engagement on profile of tooth tooth line and the big blade 30 on the piece 47, adjust the position of piece 47 on big blade 30 flank of tooth and promptly change the swing traverse that the GE distance just can change big blade 30 separately when changing every.

Have three hinge fulcrum M, H and D on the U-shaped intermediate blades 28, its outer likeness in form U-shaped, the M on the U-shaped intermediate blades 28, H place hinge fulcrum adopt the plug-in type combination, have two round bottom elongated slots at fulcrum M, H place, can realize fast assembling-disassembling.

Heald lifting device is by steel wire chuck 32, traction steel wire 33, pulley 34, adjustable hook 41, heald frame 35 and return spring 36 are formed, traction steel wire 33 1 ends are connected on the steel wire chuck 32, pulley 34 kinks are on axle 31, and axle 31 removable mountings are on pulley base 19, and pulley base 19 is fixed on the crossbeam 13, traction steel wire 33 other ends connect adjustable hook 41, adjustable hook 41 connects heald frame 35, and return spring 36 1 terminates on the heald frame 35, and the other end is connected on the loom frame.

The utility model is used for loom, be installed in loom shuttle changing side top, finish as shedding mechanism and to weave operation, drive sprocket wheel 2 by loom bent axle 1, drive sprocket wheel 4, side shaft 5, bevel gear 6, bevel gear 7, camshaft 8, cam 9 rotations by chain 3, cam 9 drives birotors 10 and slide link 11 is done the horizontal direction reciprocating motion on fixed core square slide block 12.Slide link 11 drives swing arm 14 and swings around fulcrum C, broaching tool connecting rod 15, broaching tool connecting rod 16 motions down in the drive, last broaching tool connecting rod 15 drives goes up broaching tool 17, broaching tool 18 was done the horizontal direction reciprocating motion under following broaching tool connecting rod 16 drove in the chute of rear wall plate 45, front wallboard 46, swing arm 14 upper hinge ratchets 20, ratchet 20 drives ratchet 21, cylindrical fireworks 22, card 23 and peg 24 and makes intermittent-rotation, and the position strictness that peg 24 is fixed on the card 23 is disposed by the fabric structure of being processed.When a certain peg 24 is in duty, peg 24 drives bent cabrage foot piece 25 when fulcrum P does the low-angle revolution, the following drag hook 26 that is bearing in bent cabrage foot piece 25 ends is when losing supporting, under the gravity effect, fall around fulcrum 40, the hook of following drag hook 26 and following broaching tool 18 cutting edges engagement, instantly broaching tool 18 is when left movement, drive drag hook 26 down, perpendicular blade 27, U-shaped intermediate blades 28, blade connecting rod 29, big blade 30 motions, big blade 30 is swung around fulcrum E, big blade 30 drives steel wire chuck 32, traction steel wire 33, pulley 34, adjustable hook 41 traction heald frame 35 moves upward as vertical direction, realizing that the organizine shed open opens, the resetting of heald frame 35 by the elastic force of return spring 36, warp tension and heald frame are conducted oneself with dignity and are realized resetting.When another peg 24 drives straight cabrage foot piece 37 when fulcrum P does the low-angle revolution, the perpendicular pin 38 that is bearing on the straight cabrage foot piece 37, last drag hook 39 are fallen under the gravity effect around fulcrum 48.The hook of last drag hook 39 and 17 engagements of last broaching tool, when last broaching tool 17 is made horizontal motion left, drag hook 39, perpendicular blade 27, U-shaped intermediate blades 28, blade connecting rod 29,30 motions of big blade in the drive, big blade 30 is swung around fulcrum E, big blade 30 drives steel wire chuck 32, traction steel wire 33, pulley 34, adjustable hook 41, draw another sheet heald frame 35 and move upward as vertical direction, the resetting to conduct oneself with dignity by elastic force, warp tension, the heald frame of return spring of heald frame 35 realizes resetting.

The amplitude of fluctuation of the swing arm 14 in the cam mechanism can be adjusted, and opens an elongated slot at hinged some F place on swing arm 14, and hinged some F can adjust F and the fixing distance of wring abut C along the elongated slot direction, reaches to change the traverse that goes up broaching tool 17 and following broaching tool 18.

Upward drag hook 39 of the present utility model, following drag hook 26 and perpendicular blade two ends hinge about in the of 27, when last drag hook 39 and last broaching tool 17 engagements, last broaching tool 17 is when left movement, and drive is erected blade 27 and is done the counter clockwise direction revolution around A point backer.Instantly drag hook 26 meshes with following broaching tool 18, and following broaching tool 18 drives perpendicular blade 27 to left movement and does the clockwise direction revolution around B point backer.When upper and lower broaching tool during, all can drive U-shaped intermediate blades 28 and swing around fulcrum D to left movement.U-shaped intermediate blades 28 moves through blade connecting rod 29 and drives big blade 30 around hinge fulcrum E swing, and big blade 30 swings drive steel wire chuck 32, steel wire rope 33, pulley 34, adjustable hook 41 and draw heald frame 35 and do to move on the vertical direction.

Peg 24 of the present utility model adopts double-legged chip circular arc working face, makes of nylon, and card 23 adopts wooden card, and the fixed form of peg 24 on card 23 adopts slight pressure fitted mode, has dismoutability and being repeatedly used property.

The utility model promptly changes the swing traverse that the GE distance just can change big blade 30 separately owing in opening executing agency, adjust the position of piece 47 on big blade 30 flank of tooth when changing every.Swing arm in the cam mechanism wring abut F place open an elongated slot can change on the traverse of broaching tool 17 and following broaching tool 18.Can obtain the fine definition shed open like this, knit loom for silk weaving, cotton and provide that the float rate is low, bearing capacity is big and can do the wide cut hit product.

Claims

1, a kind of cable pulley type tatting dobbies, by transmission mechanism, cam mechanism, blade mechanisms, opening executing agency, front wallboard (46), rear wall plate (45) and heald lifting device are formed, it is characterized in that opening executing agency is by U-shaped intermediate blades (28), blade connecting rod (29), big blade (30) and adjustment piece (47) are formed, U-shaped intermediate blades (28) one ends are contained on rear wall plate (45) and the front wallboard (46) by axle, the other end is actively socketed on perpendicular blade (27) and the blade connecting rod (29), big blade (30) one ends are contained on rear wall plate (45) and the front wallboard (46) by axle, other end hinge joint is on the steel wire chuck (32) of heald lifting device, blade connecting rod (29) connects with adjustment piece (47) line, and the profile of tooth tooth line on profile of tooth tooth line on the adjustment piece (47) and the big blade (30) meshes.

2, cable pulley type tatting dobbies according to claim 1, it is characterized in that having three hinge fulcrum M, H and D on the U-shaped intermediate blades (28), its outer likeness in form U-shaped, M on the U-shaped intermediate blades (28), H place hinge fulcrum adopt the plug-in type combination, have two round bottom elongated slots at fulcrum M, H place.

3, cable pulley type rib according to claim 1 is knitted dobbies, it is characterized in that cam mechanism is by camshaft (8), cam (9), rotor (10), slide link (11), fixed core square slide block (12) and rotor mandrel (42) form, cam (9) is packed on the camshaft (8), fixed core square slide block (12) kink is on camshaft (8), two rotor mandrels (42) are packed on the slide link (11), two rotors (10) removable mounting is in two rotor mandrels (42), fixed core square slide block (12) removable mounting is in the elongated slot of slide link (11), and slide link (11) can reciprocatingly slide on fixed core square slide block (12).

4, cable pulley type tatting dobbies according to claim 3, it is characterized in that in the contour curve of cam (9), cam (9) long radius R and minor radius r respectively have one section arc chord angle α 1=α 2, be 180 ° of layouts, left and right sides contour curve symmetry, the intersection point A and the B of any straight line by cam (9) centre of gyration Q all meet AQ+BQ=R+r.

5, cable pulley type tatting dobbies according to claim 1, it is characterized in that transmission mechanism is by sprocket wheel (4), side shaft (5), bevel gear (6), (7), camshaft (8), cam (9), bearing block (43) and outer outstanding U-shaped support (44) are formed, sprocket wheel (4), bevel gear (6) is packed on the side shaft (5), bevel gear (7), cam (9) is packed on the camshaft (8), side shaft (5) removable mounting is on bearing block (43), bearing block (43) is packed on the outer outstanding U-shaped support (44), outer outstanding U-shaped support (44) is packed on the rear wall plate (45), and vertical side shaft (5) of camshaft (8) and removable mounting are in rear wall plate (45), front wallboard (46), in three place's plain bearing bores on the outer outstanding U-shaped support (44).

6, cable pulley type tatting dobbies according to claim 1 is characterized in that the peg (24) in the blade mechanisms adopts double-legged chip circular arc working face, and the fixed form of peg (24) on card (23) adopts slight pressure fitted mode.