CN2537719Y - Computer colour woven loom - Google Patents

Abstract

A computerized color loom is provided. Information on pattern is saved in EPROM, a Hall sensor is synchronous with the loom, and controls a multi-shuttle box to move up and down so as to change boxes and wefts, control a rotary multi-arm machine of 24 jack arms to shed and change warps. The multi-shuttle operation box comprises a segmented gear, a slotted eccentric gear, a link rod and a complex rod. The rotary multi-arm machine comprises a main shaft, a turntable, an eccentric disc, a link rod and jack arms. The utility model is characterized in that, each of the two driven shafts of the up-and-down multi-shuttle operation box is provided with a computerized electromagnetic clutch, the rotary multi-arm machine comprises 24 steel-ball clutches, a computerized steel-ball clutch operator and an intermittent frequency inverter comprising cams in a planetary wheel.

Description

A kind of computer color loom

The utility model is a kind of computer color loom, belongs to the weaving and knitting preparation field, mainly be applicable to color loom with shuttle through the weft yarn automatic changing longitude and latitude.

When weaving various fancy cloth, the most employing of domestic yarn-dyed fabric mill is equipped with double action drag hook type list cylindrical fireworks dobbies and 1 * 4 drop box.The colored type program of these machines makes shuttle changing by the running fire of shuttle box steel plate respectively, by bamboo pattern chain issue an order shedding change through.Exist the new flower-shaped production preparatory period long, last machine complexity is adjusted loaded down with trivial detailsly, and the speed of a motor vehicle is low, disadvantages such as error is many, and after loom installed this dobbies multi-shuttle box, rotating speed reduced by 25～30%, noise is big, and the machine material loss is many, and " limit word " also need add the complicated limit word device of a cover in addition.

Punched card and micro-processor controlled dobbies have appearred in external modern age, as United States Patent (USP) 4527597---automatically controlled dobbies, employing be the drag hook type dobbies, this type of dobbies complex structure costs an arm and a leg.

The purpose of this utility model is for overcoming above-mentioned deficiency, and a kind of computer color loom that provides.After adopting the utility model, as long as insert the EPROM chip that has write colored type program in computer, start loom, promptly follow procedure changes latitude from moving case, automatically shedding change through, weave out required new flower-shaped yarn-dyed fabric.

Solution of the present utility model is: on the look machine special purpose computer is installed, flower type program writes removable EPROM chip, before elevating lever, install---lifting multi-shuttle box operation panel, this operation panel by lower-shaft with the chain transmission, two sector gears are housed, two trough of belt eccentric gears, shifting block in the case, locating piece, connecting rod and double action bar etc.Two sector gears are mutually 90 ° and are installed on the driving shaft, two trough of belt eccentric gears are installed in respectively on two driven shafts, two big nose end kinks of connecting rod are in trough of belt eccentric gear eccentric part, each links the other end with the double action bar, the trough of belt eccentric gear is with the engagement of rolling generating gear or separate the electromagnetic clutch control of being handled by computer, and this clutch is made up of electromagnet, armature, sliding axle, pin, slip cap, plane bearing, shifting block, stage clip.During the electromagnet energising, armature is attracted to left movement, and armature is contained in sliding axle one end, and sliding axle slides at vertical moving axis hollow parts, and sliding axle is equipped with a pin, and the pin two ends are pressed into slip cap, pin longitudinal sliding motion in the driven shaft stopper slot.When armature during to left movement, pin by sliding axle promotes slip cap, plane bearing, the shifting block compression press spring, make shifting block to left movement, shifting block is embedded in the trough of belt eccentric gear groove, and the inclined to one side sector gear in the rotation just drives shifting block, trough of belt eccentric gear and rotated 180, make the connecting rod of kink on trough of belt eccentric gear off-centre, changed a position up and down.Make the double action bar other end drive the shuttle box elevating lever, drive the shuttle box lifting, two cover connecting rods respectively have a position, top and bottom, thereby shuttle box can obtain 2 * 2 four positions.

The conversion shuttle box cooperates with the time of throwing a spear, is by the Hall element that is installed on the shuttle box operation panel, moves relative to the angle position of magnet on signal panels that magnetic patch regulates.Insurance institution's design of shuttle box lifting is in the shuttle box elevating lever.

The widely different commentaries on classics dobbies of case structure is installed in loom top, by the loom cambered axle with 1: 1 chain gear transmission.Dobbies is partly formed by four, i.e. main transmission part, steel ball clutch, Clutch Control part and frequency conversion at intermittence mechanism.Main transmission is partly as follows: drive 24 rotating disk rotations by key on the main shaft, 24 eccentric discs are installed on the rotating disk by ball bearing, the outer kink of eccentric disc 24 connecting rods, the connecting rod other end and 24 comprehensive arms are hinged respectively, between eccentric disc stomach wall and the rotating disk end face steel ball clutch is arranged, between the eccentric disc on the ball bearing outer shroud kink 24 long handle steel discs, the circular hole of one diameter less than steel ball arranged on the steel disc, the rotating disk side end face is pressed with spherical pit, and the circular hole of steel disc, steel ball, pit centres to alignment of shafts distance equate.The shank of steel disc is held by extension spring and is abutted against on the fixing push rod support, and steel ball drops in the circular hole of eccentric disc and steel disc at ordinary times, and eccentric disc is fixed not to be changeed, and connecting rod is motionless, not shedding.

The control section of clutch is as follows: cam rotates with bevel gear, and by roller promotion swing arm swing, 24 solenidal electromagnets are housed in the swing arm, when the electromagnet no power, armature is owing to spring action is huddled up, swing arm, empty swing is combined the shedding signal when computer sends certain sheet, then certain electromagnet energising, this armature compression spring stretches out, promote push rod in the push rod support by swing arm swing, the shank that has pushed steel disc makes steel disc around rolling bearing outer shroud inhour rotation one angle, and steel ball is pressed into pit on the rotating disk, because steel ball positive alignment this moment pit, and because intermittently frequency conversion mechanism effect, rotating disk has a pause in this position, and steel ball clutch is in the state of " closing ", the rotating disk of rotation just drives the eccentric disc commentaries on classics that turned clockwise, connecting rod up and down reciprocatingly once spurs the harness threading arm swing once, promptly spurs the heald frame shedding once, steel ball falls into the steel disc circular hole that has resetted again, and heald frame is static again.

Intermittently frequency conversion mechanism is made of planet circular system and cam ring, driving shaft rotates synchronously by sprocket wheel and loom cambered axle, driving shaft drives the rotation of planet arm, two upper planetary gears on the planet arm and central gear engagement, central gear is packed on the main shaft with key, a support arm is housed on the planetary gear, and there is roller the termination of support arm all the time along fixing cam ring contour curved surface rolling contact.When roller moves on radius profile lines such as cam, planet arm and central gear rotate synchronously, nothing relatively rotates, when moving on the radius unequal outline line of roller at cam, the planetary gear rotation, change slow, stop or reversing, cam profile are the integrated box movement rules by the weaving process requirement and make central gear drive main shaft, and go up bottom dead centre design quiescent time.

On this widely different commentaries on classics dobbies, shed opening is by the size of the eccentric throw of eccentric disc and moves the position of comprehensive band on harness threading arm ratch and regulate, the adjusting of heald level time is to regulate with the angular displacement and the software of the relative magnetic patch of Hall element on signal panels.

Maximum 16 of the heald frame of general color loom, widely different commentaries on classics dobbies of the present utility model has 24 harness threading arms, can increase to knit " limit " word function.

Adopt the production preparatory period that the utility model conversion new fancy variety is rapid, simple, shortened new pattern, improve the weavable cotton type complexity, reduce cost, thereby texture speed can improve productivity ratio and improve, the stability of body structure and lubricity are good, reduce the chapter of making an uproar, prolonged service life.

With embodiment and accompanying drawing the utility model is done clearer explanation below.

Fig. 1, special purpose computer block diagram

Fig. 2, computer control panel show too late button figure are set.

Fig. 3, multi-shuttle box lifting controlled case are laterally analysed and observe and the transmission schematic diagram.

Fig. 4, the vertical local expanded view of multi-shuttle box lifting controlled case.

Fig. 5, widely different commentaries on classics dobbies transmission schematic diagram.

Fig. 6, widely different commentaries on classics dobbies steel ball clutch profile.

Fig. 7, widely different commentaries on classics dobbies be frequency conversion mechanism profile intermittently.

Fig. 8, widely different commentaries on classics dobbies be frequency conversion mechanism principle schematic intermittently.

Shown in Figure 1 is the EPROM memory that writes fabric flower type, as the colored type information of computer, on loom regulation corner, produce synchronously by Hall element, pulse signal, through shaping, produce interrupt signal, single-chip microcomputer is under the control of messaging software and operating software, press flower type information among the EPROM, output shuttle changing or shedding signal, the treated amplification of this signal weaves corresponding colored type on the fabric of driving shuttle changing or shedding executing agency.Shown in Figure 2 is that panel shows and button is provided with figure, seven segment digital tubes shows the latitude number of loom institute self-figure type program, according to demonstrations that circulate automatically of the length of flower type circulation latitude number,, press then latitude number-1 of-1 key in situations such as stop over, latitude stop, establish+1 key for preventing operate miss, when bad cloth occurring, can be according to dismounting badly cloth length by-100 ,-10 ,-1 key, the corresponding latitude number of rollback, can under Keyboard Control, be that starting point begins to knit also with arbitrary latitude number.CLR is that whole reset key RESET are reset key, and SLM and MLN key show this class weave cotton cloth length and the accumulative total length of weaving cotton cloth, and can show that by two keys the warp thread coiled hair is surplus long simultaneously.

Fig. 3, Figure 4 shows that the multi-shuttle box operation panel, sprocket wheel (1) is installed in driving shaft (2) one ends and is rotated by the loom central shaft, driving shaft (2) other end is equipped with synchronizing signal dish (4), on the dish (4) magnetic patch (5) is housed, and magnetic patch (5) can along the circumferential direction be adjusted the angle position.Hall element (6) is housed on the tank wall, when sensor (6) is relative with magnetic patch (5), promptly send pulse signal to computer, two sector gears (3a) that are mutually 90 ° are equipped with at the middle part of driving shaft (2), (3b), the big nose end kink of one (14) two connecting rods of trough of belt eccentric gear (15) respectively is housed on two driven shafts (17) respectively on the off-centre of trough of belt eccentric gear (14), the other end is hinged with double action bar (16) respectively, the pulling block (12) that can horizontally slip is housed in the chute of trough of belt eccentric gear (14), shifting block during not shuttle changing (12) is acted on by spring (13), be in the least significant, thereby sector gear (3) the not shuttle changing of dallying, when computer sends the shuttle changing signal, then electromagnet (8) energising, adhesive armature (7) to left movement, armature (7) is to be contained on the signal panels of sliding axle (9) one ends, sliding axle (9) slides at driven shaft (17) hollow parts, sliding axle (9) is equipped with pin (18), its two ends are pressed into slip cap (10), pin (18) longitudinal sliding motion in the driven shaft stopper slot, armature (7) is to left movement, pin (18) by sliding axle (9), promote slip cap (10), plane bearing (11), shifting block (12), compression spring (13) and moving to left, sector gear in the rotation (3) just drives shifting block (12) and the engagement of trough of belt eccentric gear (14) tooth, and make it rotate 180 °, make kink change a position up and down, make double action bar (16) other end drive the shuttle box lifting at the eccentric connecting rod (1) of trough of belt eccentric gear (14).Each two position up and down of two cover connecting rods (15), thereby shuttle box can obtain 2 * 2 four positions.

Fig. 5, multi-arm shedding shown in Figure 6,24 rotating disks that lean against (36) are housed on the main shaft (29), and eccentric disc (28) press fit on the rotating disk (36) by ball bearing (30), the outer kink of eccentric disc (28) connecting rod (27), and the other end of connecting rod (27) and harness threading arm (26) are hinged.Eccentric disc (28) stomach wall is porose, be pressed with steel bushing in the hole, steel ball (38) is arranged in the cover, between two eccentric discs (28) on bearing (30) shell kink 24 the band handle steel discs (31), that steel disc (31) is gone up is porose, steel ball (38) stud with an empiecement that hardens (37) on the side rotating disk (36) in addition, empiecement has pit, and the pit centres of the hole of steel disc (31), steel ball (38), empiecement (37) equates with main shaft (29) centre-to-centre spacing.Steel disc (31) shank is leaned against on the fixing push rod support (35) by extension spring (33) tension, and 24 slidably push rods (34) are arranged in the support (35), can push 24 steel discs (31) respectively, rotates around bearing (30) shell.Steel ball (38) in eccentric disc (28) hole is in steel disc (31) hole the time, and eccentric disc (28) is fixed motionless, and connecting rod (27) is motionless, and harness threading arm (26) is static, not shedding.Two cams (21) and bevel gear (20) are housed on the camshaft (32), and the roller (22) that contacts with cam (21) profile is contained in the swing arm (23), and 24 solenidal electromagnets (24) are housed in the swing arm, and armature during no power (25) is huddled up by spring action.As left side armature (25) position among Fig. 5.When sending certain sheet, computer combines the shedding signal, then certain electromagnet (24) energising, armature (25) is released, as armature (25) position, the right among Fig. 5, then swing arm acts on push rod (34) by armature (25), push rod (34) promotes steel disc (31) inhour rotation one angle, steel ball (38) is pressed into the pit that rotating disk (36) is gone up empiecement (37), this pit of steel ball (38) positive alignment on this moment eccentric disc (28) stomach wall, and because intermittently frequency conversion mechanism effect, rotating disk (36) can be in the stall slightly of this position, thereby eccentric disc (28) goes around with rotating disk (36) dextrorotation, and connecting rod (27) up and down reciprocatingly once, pulling harness threading arm (26) swing once, shedding once, steel ball (38) resets then, heald frame is static.

Intermittently Fig. 7, Fig. 8 see in frequency conversion mechanism, and central gear (42) is equipped with in main shaft (29) termination, and driving shaft (40) is driven with the loom cambered axle by sprocket wheel (39) and rotates synchronously.Planet arm (41) is housed on the driving shaft (40), two planetary gears (43) are housed on the planet arm (41), on the one planet gear (43) support arm (44) is housed, the roller (45) that props up wall (44) end rolls along the profile of fixing cam ring (46) all the time, when roller (45) rolls at the profile such as radius such as grade of cam ring (46), planet arm (41) and central gear (42) main shaft (29) rotation synchronously, when roller (45) rolls on the radius unequal profile of cam ring (46), planetary gear (43) rotation, making central gear (42) drive main shaft (29) changes slow by the weaving process requirement, stop or reversing.

Claims (5)

1, a kind of computer color loom, connecting loom by computer constitutes, the multi-shuttle box operation panel of loom is by sector gear (3), trough of belt eccentric gear (14), connecting rod (15), double action bar (16) is formed, the widely different commentaries on classics dobbies of loom is by main shaft (29), rotating disk (36), eccentric disc (28), connecting rod (27), harness threading arm (26) is formed, it is characterized in that respectively being equipped with on two driven shafts (17) of multi-shuttle box operation panel the electromagnetic clutch of a cover computer control, widely different commentaries on classics dobbies comprises 24 steel ball clutches, frequency conversion at the intermittence mechanism that the steel ball clutch actuating element of computer control and planetary gear cam ring constitute.

2, computer color loom according to claim 1, it is characterized in that electromagnetic clutch in the described multi-shuttle box operation panel by the electromagnet (8) that is contained in the case arm outside, be contained in the armature (7) on movable axis (9) the one end signal dishes and be contained in the pin (18) on movable axis (9) other end and form by slip cap (10), plane bearing (11), the shifting block (12) of pin (18) effect.

3, computer color loom according to claim 1, the 24 cover steel ball clutches that it is characterized in that described revolution dobbies are made up of eccentric disc (28), steel ball (38), rotating disk (36) and steel disc (31), steel ball (38) is contained in eccentric disc (28) the stomach wall hole, rotating disk (36) side end face is pressed with spherical pit, steel disc has circular hole on (31), and the circular hole on steel ball (38), the steel disc (31), the pit centres on the rotating disk (36) to main shaft (29) centre distance equate.

4, computer color loom according to claim 1, the operation part that it is characterized in that the steel ball clutch of described widely different commentaries on classics dobbies is by the roller that is contained in swing arm (23) one ends (22), roller (22) contacts with cam (21) cooperation, and the electromagnet (24), the armature (25) that are contained in pendulum wall (23) other end constitutes, and contacts with push rod (34) on being contained in push rod support (35) by armature (25).

5, computer color loom according to claim 1, frequency conversion at the intermittence mechanism that it is characterized in that described widely different commentaries on classics dobbies comprises central gear (42) and the planet arm (41) that is contained on the driving shaft (40), planetary gear (43) is equipped with at the two ends of planet arm (41), on the one planet gear (43) support arm (44) is housed, the end of support arm (44) is equipped with one all the time along the roller (45) of fixing cam ring (46) profile rolling.

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