Control mechanism for delay start of spinning device rotor
Technical field
The invention belongs to the spinning machine part field, especially relevant with a kind of control mechanism for delay start of spinning device rotor of rotor spinning machine.
Background technology
Rotor spinning machine is a kind of open-end-spinning equipment; Be illustrated in figure 1 as the spinning apparatus of semiautomatic rotor spinning machine; It mainly is made up of the sliver can of accepting successively 1, spinning organ 2, delivery device 3, semi-automatic joining device 4, wireline reel 5 and yarn tube 6; Spinning organ 2 commonly used comprises that to cotton roller, combing roller 10, revolving cup 17, eave tile pull bar 11, pinch roller linkage 13, revolving cup braking mechanism 14 and brake connecting rod mechanism 12 etc. it is that revolving cup rotates the power that the transmission motor provides at a high speed that tengential belt 15 is being pressed the rotating shaft that is posted by revolving cup 17 by pinch roller 16.During spinning, it is air-breathing to use blower fan through air duct spinning organ to be carried out, and forms negative pressure in the revolving cup 17 of spinning organ; With sliver 8 feeding combing rollers 10, sliver is carded to filament 9 to cotton roller, filament 9 is sucked revolving cup 17 through negative pressure by combing roller; Because revolving cup rotates at a high speed; The collection surface that filament is dumped on the revolving cup forms fibre bundle, by delivery device 3 fibre bundle that generates is drawn revolving cup, and twisting forms the yarn with twist in the spill process.Rotor spinning is accomplished a package or broken yarn in spinning process, occurred, just need carry out joint again.Semiautomatic rotor spinning machine in the market can be realized semi-automatic joining; Its joint process is: open the spinning organ movable rack; Movable rack pulling eave tile pull bar, the eave tile pull bar rotates the back and has shored pinch roller and revolving cup braking mechanism through pinch roller linkage and brake connecting rod mechanism, makes pinch roller rising tengential belt break away from the revolving cup rotating shaft; No longer be revolving cup rotation transferring power; The revolving cup braking mechanism is close to the revolving cup rotating shaft revolving cup is checked no longer rotation, after revolving cup stops operating the revolving cup inner chamber is cleared up, and removes residual fiber and impurity; After the cleaning of revolving cup inner chamber is accomplished, yarn and thread head is inserted revolving cup as drawing loose thread, movable rack closes; Pinch roller linkage and brake connecting rod mechanism are no longer shored in the rotation that resets of eave tile pull bar, and braking mechanism descends to breaking away from and unclamps the revolving cup rotating shaft; Step-down tengential belt and is close to the revolving cup rotating shaft again and drives revolving cup and rotate at a high speed under the pinch roller; Feed sliver to cotton roller, sliver becomes filament to get into revolving cup after the combing roller combing, the revolving cup collection surface with draw loose thread and combine to draw spun yarn by drawing loose thread.According to above-mentioned joint process, beginning joint operation behind the yarn broken yarn is in the joint process; Stop to feed to sliver to cotton roller, but the cotton fiber that is positioned at the sliver head still receives the combing of combing roller, cotton fiber can be damaged; After restarting spinning, these cotton fibers that have been damaged get into revolving cup at first and draw loose thread and combine, and can influence the quality at Yarn connecting place; Form the yarn defect, thereby influence the quality of institute's yarn.Become to improve the technical barrier that semiautomatic rotor spinning machine improves the spinning joint quality so how to remove the cotton fiber that the sliver head is damaged.
Summary of the invention
The object of the invention is exactly will solve that existing semiautomatic rotor spinning machine can't be removed the cotton fiber that the sliver head is damaged and the technical barrier that influences the Yarn connecting quality, provides a kind of and removes the control mechanism for delay start of spinning device rotor that is decreased fiber before making spinning organ be implemented in the spinning joint.For this reason, the present invention adopts following technical scheme:
Before drawing loose thread and insert revolving cup in the semi-automatic joining process; Feed one section sliver earlier; Revolving cup time-delay is rotated, and makes the broken end back got into revolving cup by the sliver head fiber of combing roller damage, is decreased fiber and gets into the negative pressure that is formed through air duct by blower fan behind the revolving cup and siphon away and remove by the damage fiber; And then insert revolving cup drawing loose thread, start the revolving cup rotation and normally spin.
The present invention is exactly the control mechanism for delay start of spinning device rotor that adapts to above-mentioned jointing method; Comprise the eave tile pull bar, described eave tile pull bar middle part is provided with axis hole, it is characterized in that; Described control mechanism for delay start of spinning device rotor also comprises eave tile draw rod positions locking device; This eave tile draw rod positions locking device is arranged at eave tile pull bar afterbody, through the position of locking eave tile pull bar afterbody, thus the position of locking eave tile pull bar.
When the present invention was to use, the shaft hole sleeve at described eave tile pull bar middle part was loaded on minor axis, and this minor axis is installed on the sidewall of spinning organ, and the eave tile pull bar is connected with pinch roller linkage, the brake connecting rod mechanism of spinning organ.When the broken yarn joint starts, use the present invention, behind the generation broken yarn, open the movable rack of spinning organ; Movable rack blocks the eave tile pulling eave tile pull bar rotation of eave tile pull bar; The eave tile pull bar has been shored pinch roller and revolving cup braking mechanism through pinch roller linkage and brake connecting rod mechanism, makes pinch roller rising tengential belt break away from the revolving cup rotating shaft, no longer is revolving cup rotation transferring power; The revolving cup braking mechanism is close to the revolving cup rotating shaft revolving cup is checked no longer rotation; The position of eave tile draw rod positions locking device locking eave tile pull bar this moment is cleared up the revolving cup inner chamber after revolving cup stops operating, and removes residual fiber and impurity; After the cleaning of revolving cup inner chamber is accomplished, the movable rack that closes, but the eave tile draw rod positions is still locked by eave tile draw rod positions locking device; Revolving cup still can not rotate; Feed to sliver to cotton roller, combing roller is carded to filament with sliver, and the fiber that the sliver head is damaged is directly siphoned away by the machine negative pressure; Through a period of time feed to sliver after; Yarn and thread head is inserted revolving cup as drawing loose thread, and eave tile draw rod positions locking device is removed the locking to the eave tile draw rod positions simultaneously, the rotation that resets of eave tile pull bar; No longer shore pinch roller linkage and brake connecting rod mechanism; Braking mechanism descend to break away from and to unclamp the revolving cup rotating shaft, and step-down tengential belt and is close to the revolving cup rotating shaft again and drives revolving cup and rotate at a high speed under the pinch roller, cotton fiber get into revolving cup the revolving cup collection surface with draw loose thread and combine to draw spun yarn by drawing loose thread.Realized the rotation of delayed startup revolving cup through eave tile draw rod positions locking device.
As technique scheme further replenish and perfect, the present invention also comprises following additional technical feature:
Described eave tile draw rod positions locking device preferred version comprises push rod electromagnet, upper rack posts and lower fulcrum bar; Upper rack posts lower end and lower fulcrum bar upper end flexibly connect through first bearing pin; Lower fulcrum bar lower end and described eave tile pull bar tail end flexibly connect through second bearing pin, and the upper rack posts upper end is provided with porose, is provided with the 3rd bearing pin in this hole; Upper rack posts can rotate around the 3rd bearing pin; The 3rd bearing pin and push rod electromagnet fixed-site, push rod electromagnet are positioned at upper rack posts and the interconnective link of lower fulcrum bar rear, and push rod electromagnet slip iron core is facing to upper rack posts and the interconnective link of lower fulcrum bar.When carrying out the operation of broken yarn joint; The spinning organ movable rack is opened; Movable rack blocks the eave tile pulling eave tile pull bar rotation of eave tile pull bar, and eave tile pull bar tail end descends, and first bearing pin that connects upper rack posts and lower fulcrum bar is descended under the gravity effect; When upper rack posts and lower fulcrum bar are in self-locking state in line the time, thus the position of locking eave tile pull bar; After movable rack closes,, still lock the eave tile draw rod positions because upper rack posts and lower fulcrum bar are in self-locking state; Revolving cup can't rotate, and waits and has removed by behind the damage fiber, and push rod electromagnet slip iron core stretches out; The locking to the eave tile draw rod positions from self-locking position, is removed in upper rack posts and lower fulcrum bar top, the rotation that resets of eave tile pull bar; Through pinch roller linkage and brake connecting rod mechanism pinch roller and braking mechanism are descended, realize the rotation of delayed startup revolving cup, insert simultaneously and draw the spinning of loose thread joint.
The eave tile draw rod positions locking device of described preferred version also comprise stop restriction upper rack posts and lower fulcrum bar be in self-locking state after described first bearing pin no longer descend, this stop is one to be fixedly set in the stop screw at upper rack posts and the interconnective link of lower fulcrum bar rear.
Described stop can also be a limited block, and this limited block is fixedly installed in the upper rack posts rear side and is stretched in the lower fulcrum bar rear side, upper rack posts and a lower fulcrum bar end that is connected with the upper rack posts sideway swivel backward again of back limited block restriction lower fulcrum bar in line.
The eave tile draw rod positions locking device of described preferred version also comprises torsion spring, and this torsion spring set is loaded on described second bearing pin, and one of them leg is stuck in described lower fulcrum bar, and another leg is stuck in the eave tile pull bar, is that the decline of first bearing pin provides auxiliary revolving force.
The eave tile draw rod positions locking device of described preferred version also comprises installing plate, and described the 3rd bearing pin, push rod electromagnet and stop screw all are fixedly installed in this installing plate.
The hole of described upper rack posts upper end is a long slot bore, is rotated in the streamlined process at upper rack posts and lower fulcrum bar that the spacing of assurance second bearing pin and the 3rd bearing pin can satisfy upper rack posts and lower fulcrum bar can be in line.
Described eave tile draw rod positions locking device can also be the electromagnet punch block mechanism; It comprises locking electromagnet and the transverse holes that is arranged at eave tile pull bar tail end; Locking electromagnet fixed-site; The slip iron core axis of locking electromagnet and the center line of transverse holes lock electromagnet slip iron core and can penetrate transverse holes in the same way.During the broken yarn joint, locking electromagnet slip iron core penetrates the position of transverse holes locking eave tile pull bar, waits and has removed by behind the damage fiber; Locking electromagnet slip iron core is deviate from transverse holes; Releasing is to the locking of eave tile draw rod positions, and the rotation that resets of eave tile pull bar descends pinch roller and braking mechanism through pinch roller linkage and brake connecting rod mechanism; Realize the rotation of delayed startup revolving cup, insert simultaneously and draw the spinning of loose thread joint.
Described eave tile draw rod positions locking device can also be that electromagnet magnetic force holds eave tile pull bar tail end mechanism, and it comprises electromagnet and is arranged at the piece of being inhaled of eave tile pull bar tail end, electromagnet fixed-site and and corresponding setting of quilt suction piece.During the broken yarn joint, the electromagnet energising holds the position of being inhaled piece locking eave tile pull bar, waits and has removed by behind the damage fiber; The electromagnet outage; Releasing is to the locking of eave tile draw rod positions, and the rotation that resets of eave tile pull bar descends pinch roller and braking mechanism through pinch roller linkage and brake connecting rod mechanism; Realize the rotation of delayed startup revolving cup, insert simultaneously and draw the spinning of loose thread joint.
Described eave tile draw rod positions locking device can also be the cylinder punch block mechanism, and it comprises cylinder and be arranged at the transverse holes of eave tile pull bar tail end, and cylinder location is fixed, the piston axis of cylinder and the center line of transverse holes in the same way, cylinder piston can penetrate transverse holes.During the broken yarn joint, cylinder piston penetrates the position of transverse holes locking eave tile pull bar, waits and has removed by behind the damage fiber; Cylinder piston is deviate from transverse holes; Releasing is to the locking of eave tile draw rod positions, and the rotation that resets of eave tile pull bar descends pinch roller and braking mechanism through pinch roller linkage and brake connecting rod mechanism; Realize the rotation of delayed startup revolving cup, insert simultaneously and draw the spinning of loose thread joint.
Use the present invention can reach following beneficial effect: through the position of eave tile draw rod positions locking device locking eave tile pull bar is set; Realize the rotation of delayed startup device of rotor for spinning; Before the spinning joint, remove the fiber that the sliver head is damaged; Improve the Yarn connecting quality, thereby improved the quality of institute's yarn.
Description of drawings
Fig. 1 is the structural representation of the spinning apparatus of existing semiautomatic rotor spinning machine.
Fig. 2 is the structure chart of the embodiment of the invention one.
Fig. 3 is the user mode figure one of the embodiment of the invention one.
Fig. 4 is the user mode figure two of the embodiment of the invention one.
Fig. 5 is the structure chart of the embodiment of the invention two.
Fig. 6 is the structure chart of the embodiment of the invention three.
Fig. 7 is the structure chart of the embodiment of the invention four.
The label of same area is identical among each figure, and each label corresponding position is respectively: 1-sliver can, 2-spinning organ, 3-delivery device, 4-semi-automatic joining device, 5-wireline reel, 6-yarn tube; The 7-yarn, 8-sliver, 9-filament, 10-combing roller, 11-eave tile pull bar, 12-brake connecting rod mechanism, 13-pinch roller linkage; The 14-braking mechanism, 15-tengential belt, 16-pinch roller, 17-revolving cup, 18-minor axis, 19-first bearing pin, 20-upper rack posts; 21-the 3rd bearing pin, 22-installing plate, 23-stop screw, 24-push rod electromagnet, 25-torsion spring, 26-lower fulcrum bar; 27-second bearing pin, 28-locks electromagnet, the 29-transverse holes, the 30-electromagnet, 31-is inhaled piece, the 32-cylinder.
The specific embodiment
Be described in detail below in conjunction with the accompanying drawing specific embodiments of the invention.
Embodiment one:
Like Fig. 2~shown in Figure 4, the present invention includes eave tile pull bar 11 and eave tile draw rod positions locking device, eave tile pull bar 11 middle parts are provided with axis hole; Described eave tile draw rod positions locking device comprises installing plate 22, torsion spring 25, push rod electromagnet 24, stop, upper rack posts 20 and lower fulcrum bar 26, and stop is a stop screw 23, and upper rack posts 20 lower ends and lower fulcrum bar 26 upper ends flexibly connect through first bearing pin 19; Lower fulcrum bar 26 lower ends and eave tile pull bar 11 tail ends flexibly connect through second bearing pin 27; Upper rack posts 20 upper ends are provided with porose, and this hole is a long slot bore, are provided with the 3rd bearing pin 21 in this long slot bore; Upper rack posts 20 can rotate around the 3rd bearing pin 21; Stop screw 23, the 3rd bearing pin 21 and push rod electromagnet 24 are fixedly installed in installing plate 22, and push rod electromagnet 24 is positioned at upper rack posts 20 and lower fulcrum bar 26 interconnective link rears with stop screw 23, and the slip iron core of push rod electromagnet 24 is facing to upper rack posts 20 and lower fulcrum bar 26 interconnective links; Torsion spring 25 is set in second bearing pin 27; One of them leg of torsion spring 25 is stuck in lower fulcrum bar 26, and another leg is stuck in eave tile pull bar 11, and the shaft hole sleeve at eave tile pull bar 11 middle parts is loaded on minor axis 18; Minor axis 18 and installing plate 22 are installed on the sidewall of spinning organ, and eave tile pull bar 11 is connected with pinch roller linkage 13, the brake connecting rod mechanism 12 of spinning organ.
Stop described in the present embodiment can also be a limited block; This limited block is fixedly installed in upper rack posts 20 rear sides and is stretched in lower fulcrum bar 26 rear sides, upper rack posts 20 and lower fulcrum bar 26 end that is connected with upper rack posts 20 sideway swivel backward again of back limited block restriction lower fulcrum bar 26 in line.
When carrying out the operation of broken yarn joint, the spinning organ movable rack is opened, and movable rack blocks eave tile pulling eave tile pull bar 11 rotations of eave tile pull bar 11; Eave tile pull bar 11 tail ends descend; Having shored pinch roller 16 and revolving cup braking mechanism 14 through pinch roller linkage 13 with brake connecting rod mechanism 12, made pinch roller 16 rising tengential belts 15 break away from the rotating shaft of revolving cup 17, no longer is revolving cup 17 rotation transferring power; Revolving cup braking mechanism 14 is close to the rotating shaft of revolving cup 17 revolving cup 17 is checked no longer rotation; First bearing pin 19 descends under the gravity effect, when upper rack posts 20 is in self-locking state with lower fulcrum bar 26 in line the time, thus the position of locking eave tile pull bar 11; Movable rack closes after the cleaning of revolving cup 17 inner chambers is accomplished; Because upper rack posts 20 is in self-locking state with lower fulcrum bar 26, still locks the eave tile draw rod positions, tengential belt 15 still breaks away from the rotating shaft of revolving cup 17; Revolving cup braking mechanism 14 is still checked revolving cup 17, and revolving cup 17 can't rotate; After movable rack closes, feed to sliver to cotton roller, combing roller is carded to filament with sliver, and the fiber that the sliver head is damaged directly siphons away removing by the machine negative pressure; After having removed quilt damage fiber; Push rod electromagnet 24 slip iron cores stretch out, and self-locking position is left on upper rack posts 20 and lower fulcrum bar 26 tops, remove the locking to eave tile pull bar 11 positions; Eave tile pull bar 11 rotation that resets; Make pinch roller 16 that tengential belt 15 is pressed against the rotating shaft of revolving cup 17 through pinch roller linkage 13, through brake connecting rod mechanism 12 braking mechanism 14 is descended and break away from the rotating shaft of revolving cups 17, revolving cup 17 begins to rotate; Simultaneously yarn and thread head is inserted revolving cup 17 as drawing loose thread, cotton fiber get into revolving cup 17 the revolving cup collection surface with draw loose thread and combine to draw spun yarn by drawing loose thread.Eave tile draw rod positions locking device is locking eave tile draw rod positions earlier, waits to have removed after decreasing fiber to discharge the eave tile pull bar again, starts the spinning of revolving cup rotation carrying out joint, realizes the rotation of delayed startup revolving cup.
Embodiment two:
As shown in Figure 5; Eave tile draw rod positions locking device of the present invention comprises locking electromagnet 28 and the transverse holes 29 that is arranged at eave tile pull bar 11 tail ends; Locking electromagnet 28 fixed-site; The center line of slip iron core axis and the transverse holes 29 of locking electromagnet 28 in the same way, the slip iron core that locks electromagnet 28 can penetrate transverse holes 29.During the broken yarn joint, the slip iron core of locking electromagnet 28 penetrates the position of transverse holes 29 locking eave tile pull bars 11, waits and has removed by behind the damage fiber; The slip iron core of locking electromagnet 28 is deviate from transverse holes 29; Releasing is to the locking of eave tile draw rod positions, and eave tile pull bar 11 rotation that resets descends pinch roller 16 and braking mechanism 14 through pinch roller linkage 13 with brake connecting rod mechanism 12; Realize 17 rotations of delayed startup revolving cup, insert simultaneously and draw the spinning of loose thread joint.
Embodiment three:
As shown in Figure 6, eave tile draw rod positions locking device of the present invention comprises electromagnet 30 and is arranged at the quilt suction piece 31 of eave tile pull bar 11 tail ends, electromagnet 30 fixed-site and and quilt suction piece 31 correspondence settings.During the broken yarn joint, electromagnet 30 energisings hold the position of being inhaled piece 31 locking eave tile pull bars, wait and have removed by behind the damage fiber; Electromagnet 30 outages; Releasing is to the locking of eave tile draw rod positions, and eave tile pull bar 11 rotation that resets descends pinch roller 16 and braking mechanism 14 through pinch roller linkage 13 with brake connecting rod mechanism 12; Realize 17 rotations of delayed startup revolving cup, insert simultaneously and draw the spinning of loose thread joint.
Embodiment four:
As shown in Figure 7; Eave tile draw rod positions locking device of the present invention comprises cylinder 32 and the transverse holes 29 that is arranged at eave tile pull bar tail end; Cylinder 32 fixed-site, the center line of the piston axis of cylinder 32 and transverse holes 29 in the same way, the piston of cylinder 32 can penetrate transverse holes 29.During the broken yarn joint, cylinder piston penetrates the position of transverse holes locking eave tile pull bar, waits and has removed by behind the damage fiber; The piston of cylinder 32 is deviate from transverse holes 29; Releasing is to the locking of eave tile draw rod positions, and eave tile pull bar 11 rotation that resets descends pinch roller 16 and braking mechanism 14 through pinch roller linkage 13 with brake connecting rod mechanism 12; Realize 17 rotations of delayed startup revolving cup, insert simultaneously and draw the spinning of loose thread joint.