CN214692614U - Take-up device of open-end spinning machine for laboratory - Google Patents

Abstract

The utility model relates to a take-up device of rotor spinning machine is used in laboratory, including installing the take-up frame on the organism, be provided with the guide strip that is used for driving the yarn removal on the take-up frame, be provided with on the take-up frame and be used for the drive reciprocating mechanism of reciprocating motion about the guide strip, it is provided with the rubber roller to rotate on the take-up frame, the take-up frame top is provided with the swing span, it is provided with the wind-up roll that is used for the rolling yarn to rotate on the swing span, the wind-up roll with the rubber roller is inconsistent, be provided with on the organism and be used for the support frame of swing span luffing motion, be provided with the drive on the organism rubber roller pivoted actuating mechanism. This application has the effect that reduces the disorder of yarn in the rolling in-process.

Description

Take-up device of open-end spinning machine for laboratory

Technical Field

The application relates to the field of laboratory textile instruments, in particular to a take-up device of a laboratory rotor spinning machine.

Background

Open-end spinning is a novel spinning technology which utilizes air flow to condense, twist and output fibers into yarn in a spinning cup which rotates at a high speed. The device does not need a spindle and mainly depends on a plurality of components such as a carding roller, a spinning cup, a false twisting device and the like. The carding roller is used for grabbing and carding the fed cotton sliver fibers, and the grabbed fibers can be thrown out by centrifugal force generated by high-speed rotation of the carding roller. The spinning cup is a small metal cup, the rotating speed of the spinning cup is more than 10 times higher than that of the carding roller, and the air in the cup is discharged outwards due to the centrifugal effect; according to the principle of fluid pressure, cotton fibers enter the airflow cup and form a fiber flow which continuously moves along the inner wall of the cup.

Chinese utility model patent publication No. CN207391633U in the related art discloses an open-end spinning device, which includes: a spinning nozzle for supplying compressed air to the fiber bundle; a compressed air supply unit provided with a supply pipe for supplying compressed air to the spinning nozzle; and a fixing member. The spinning nozzle is detachably attached to the fixed member, and the compressed air supply unit has a connectable/disconnectable connection/disconnection structure and is connected to the spinning nozzle. In this air-jet spinning device, the compressed air supply section is directly connected to the spinning nozzle without passing through another member such as a fixing member; the spinning nozzle comprises: an air chamber constituting the compressed air storage chamber for sending the compressed air into a spinning chamber to which the compressed air and the fiber bundle are supplied; and an air guide path that guides the compressed air from the compressed air supply unit to the air chamber, the air guide path having a non-bent passage structure.

With respect to the related art in the above, the inventors consider that: when yarns spun by the spinning device are wound, the yarns are wound at the same position, and then disorder is easy to occur, so that yarn disorder is caused.

SUMMERY OF THE UTILITY MODEL

In order to reduce the disorder of yarn in the rolling process, this application provides a take-up of open-end spinning machine is used in laboratory.

The application provides a pair of take-up device with rotor spinning machine is used in laboratory adopts following technical scheme:

the utility model provides a take-up device with rotor spinning machine for laboratory, is including installing the take-up stand on the organism, be provided with the guide strip that is used for driving the yarn removal on the take-up stand, be provided with on the take-up stand and be used for the drive reciprocating mechanism of reciprocating motion about the guide strip, it is provided with the rubber roller to rotate on the take-up stand, the take-up stand top is provided with the swing span, it is provided with the wind-up roll that is used for the rolling yarn to rotate on the swing span, the wind-up roll with the rubber roller is inconsistent, be provided with on the organism and be used for the support frame of swing span luffing motion, be provided with the drive on the organism rubber roller pivoted actuating mechanism.

Through adopting above-mentioned technical scheme, actuating mechanism drives the rubber roller and rotates, utilizes the frictional force between rubber roller and the wind-up roll, can drive the wind-up roll and rotate to can roll the outflow yarn in the spinning cup, reciprocating mechanism drives guide strip reciprocating motion about, and then can make guide strip move the yarn and remove about, therefore can be with the yarn orderly around locating on the wind-up roll, take place the condition of disorder when can reducing the yarn rolling and take place.

Preferably, the reciprocating mechanism comprises a reciprocating threaded roller rotatably arranged on the take-up stand, a guide rod fixedly connected to the take-up stand, and a sliding plate matched with the reciprocating threaded roller, and the guide strip is arranged on the sliding plate.

Through adopting above-mentioned technical scheme, the slide cooperatees with reciprocal threaded roll, and reciprocal threaded roll drives the slide and moves about along guide bar length direction, and then can drive guide strip reciprocating motion about controlling.

Preferably, the driving mechanism comprises a first synchronizing wheel coaxially connected to the rubber roller, a second synchronizing wheel coaxially connected to the reciprocating threaded roller, a driving motor fixed on the machine body, and a third synchronizing wheel coaxially connected to an output shaft of the driving motor, and a synchronous belt is wound among the first synchronizing wheel, the second synchronizing wheel and the third synchronizing wheel.

Through adopting above-mentioned technical scheme, driving motor drives synchronizing wheel three and rotates, and the hold-in range on the synchronizing wheel three can drive synchronizing wheel one and the synchronizing wheel rotates, and then can drive the rubber roller and rotate simultaneously with reciprocal threaded roller.

Preferably, one end of the guide strip is hinged to the sliding plate, and a shifting mechanism for shifting the guide strip to swing left and right is arranged between the support frame and the guide strip.

Through adopting above-mentioned technical scheme, at the rolling in-process, utilize toggle mechanism can be so that the guide strip horizontal hunting, and then can be so that the yarn after the winding of wind-up roll both ends is the toper form to reduce the possibility that the yarn drops.

Preferably, the guide strip comprises a transverse strip and a vertical strip which are integrally formed, the length direction of the transverse strip is consistent with the length direction of the guide rod, the vertical strip is perpendicular to the transverse strip, the position between the transverse strip and the vertical strip is hinged on a sliding plate, the yarn is positioned at one end of the vertical strip, which is far away from the sliding plate, and one side of the swing frame, which is far away from the winding roller, is hinged on a support frame; the toggle mechanism comprises a rotating ring rotatably arranged on the support frame, a connecting plate fixedly connected between the rotating ring and the swing frame, a swing rod, a connecting strip I, a sliding groove plate, a sliding block and a connecting strip II, wherein the middle position of the swing rod is hinged to the take-up frame, the connecting strip I is hinged between one end, close to the rotating ring, of the swing rod and the rotating ring, the middle position of the connecting strip I is hinged to the machine body, the sliding block is slidably arranged in the sliding groove plate, the connecting strip II is hinged to one end, close to the swing rod, of the sliding groove plate and between one ends, far away from the connecting strip, of the swing rod, and one end, far away from the vertical strip, of the transverse strip is hinged to the sliding block.

By adopting the technical scheme, after the yarn is continuously wound on the winding roller, the thickness of the winding roller is gradually thickened, so that the swing frame can swing upwards, the swing frame can swing to drive the connecting plate to swing, the connecting plate swings to drive the rotating ring to rotate, the rotating ring rotates to drive the connecting strip to move upwards as a whole, and further, one end of the swing rod, which is far away from the connecting strip, can move downwards, so that one end of the sliding groove plate, which is close to the connecting strip II, can swing downwards, so that one end of the transverse strip, which is far away from the vertical strip, can swing upwards, so that one end of the vertical strip, which is far away from the transverse strip, swings towards the middle part of the winding roller, and because the stroke of the sliding plate on the reciprocating threaded roller is unchanged, when the transverse strip moves to one end of the connecting strip II, one end of the transverse strip can swing towards the middle part of the winding roller under the action of the sliding groove plate, therefore, the yarns wound at the two ends of the winding roller are in a conical shape, and the possibility of falling of the yarns is reduced.

Preferably, the swing span with be provided with straining device between the organism, straining device passes the tensioning rod that sleeve and other end hinge on the swing span, screw thread connection in tensioning rod kept away from swing span one end, overlaps spring, screw thread connection on locating the sleeve and lie in the organism on the tensioning rod and support tightly in the spring and keep away from the adjust knob of sleeve one end including the sleeve, the one end of wearing to locate the organism top.

Through adopting above-mentioned technical scheme, through rotatory adjust knob, can adjust the interval between adjust knob and the spring, after conflicting the wind-up roll on the rubber roller, under the effect of spring, can provide a holding power to adjust knob, and then can reduce the pressure that the wind-up roll was applyed to the rubber roller, and then can guarantee that the wind-up roll contradicts in the rubber roller, also be favorable to around locating the wind-up roll with the yarn.

Preferably, waist shape hole one has been seted up at the top of organism, the sleeve passes waist shape hole one, the bottom rigid coupling of swing span has the keysets, set up the through-hole that the length direction in axis direction and waist shape hole one is unanimous on the keysets, the telescopic one end is kept away from to the tensioning rod and is the form of bending and insert and locate in the through-hole, bolted connection has the limiting plate on the organism, length direction and the unanimous waist shape hole two of waist shape hole length direction have been seted up on the limiting plate, waist shape hole two-way is fixed the limiting plate in connecting bolt, the sleeve passes the limiting plate.

Through adopting above-mentioned technical scheme, when straining device is installed to needs, can arrange the limiting plate in waist shape hole one's top earlier, then pass waist shape hole one with the sleeve to make the spring housing locate on the sleeve, make the tensioning rod pass spring and sleeve, be connected to the one end that the tensioning rod is located the sleeve bottom with spacing bolted connection again, then wear to locate in the through-hole with the end of bending of tensioning rod, utilize connecting bolt to pass waist shape hole two at last and fix the limiting plate to the organism on, and then the straining device's of being convenient for installation.

Preferably, a notch is formed in the side edge of the guide strip, and the yarn penetrates through the notch.

Through adopting above-mentioned technical scheme, place the yarn in the opening, be favorable to hindering the yarn to break away from the guide bar.

Preferably, the machine body is provided with a line pressing mechanism between the spinning cup and the take-up stand, and the line pressing mechanism comprises a driving roller rotatably arranged on the machine body, an installation roller fixed on the machine body and positioned above the driving roller, a swinging piece sleeved on the installation roller, and a rubber compression roller rotatably arranged on the swinging piece and abutted against the driving roller.

Through adopting above-mentioned technical scheme, arrange the yarn in between rubber compression roller and the drive roll, can hinder the yarn to swing by a wide margin between wind-up roll and spinning rotor to the rolling of yarn is convenient for.

Preferably, the swinging piece comprises a sleeve ring sleeved on the mounting roller and an extension rod vertically and fixedly connected to the peripheral surface of the sleeve ring, and the rubber compression roller is rotatably arranged at one end of the extension rod far away from the sleeve ring; the wire pressing mechanism further comprises locking rings located on the end faces of the two ends of the lantern ring and locking screws in threaded connection with the locking rings, the locking rings are abutted to the end faces of the lantern ring, and the locking screws penetrate through the locking rings and are abutted to the mounting rollers.

Through adopting above-mentioned technical scheme, utilize locking screw and the support of installation roller tight, can fix the position of the lantern ring, and then can hinder the removal of swing piece to guarantee the stability of yarn rolling.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the guide strip and the driving mechanism are arranged, the driving mechanism drives the rubber roller to rotate, the winding roller can be driven to rotate by utilizing the friction force between the rubber roller and the winding roller, so that the outflow yarn in the spinning cup can be wound, the reciprocating mechanism drives the guide strip to reciprocate left and right, and the guide strip can move the yarn left and right, so that the yarn can be orderly wound on the winding roller, and the occurrence of disorder during winding of the yarn can be reduced;

2. by arranging the toggle mechanism, the guide strip can swing left and right by utilizing the toggle mechanism in the winding process, so that the yarn can be wound on the winding roller in an inclined manner at the end part of the winding roller, and the yarn at the end part of the winding roller can be prevented from separating from the winding roller;

3. through setting up straining device, through rotatory adjust knob, can adjust the interval between adjust knob and the spring, after conflicting the wind-up roll on the rubber roller, under the effect of spring, can provide a holding power to adjust knob, and then can reduce the pressure that the wind-up roll was applyed the rubber roller, and then can be when guaranteeing that the wind-up roll contradicts in the rubber roller, also be favorable to around locating the wind-up roll with the yarn.

Drawings

FIG. 1 is a schematic view of the overall structure of the air spinning apparatus according to the embodiment of the present invention.

Fig. 2 is a schematic view of the overall structure of the wire take-up device according to the embodiment of the present application.

Fig. 3 mainly illustrates a part of the structure of the toggle mechanism in fig. 2.

Fig. 4 is a structural schematic diagram of another view of the take-up device in the applied embodiment, mainly illustrating the construction of the driving mechanism.

Fig. 5 is a partial schematic structural view of the tensioning mechanism in fig. 4.

Fig. 6 is an enlarged schematic view of a portion a in fig. 1, mainly illustrating the configuration of the wire pressing mechanism.

Description of reference numerals: 100. a body; 1001. a top plate; 101. a first waist-shaped hole; 200. a spinning cup; 1. a take-up stand; 11. a support plate; 21. a rubber roller; 22. a wind-up roll; 300. a reciprocating mechanism; 301. a reciprocating threaded roller; 302. a guide bar; 303. a slide plate; 400. a wire pressing mechanism; 401. a drive roll; 402. mounting a roller; 403. a swinging member; 4031. a collar; 4032. an extension rod; 404. a rubber press roll; 405. locking a ring; 406. locking the screw rod; 407. mounting a plate; 4. a guide strip; 4001. opening the gap; 41. a horizontal bar; 42. vertical bars; 5. a swing frame; 501. an adapter plate; 5011. a through hole; 6. a drive mechanism; 61. a first synchronizing wheel; 62. a second synchronizing wheel; 63. a drive motor; 64. a third synchronizing wheel; 65. a synchronous belt; 7. a support frame; 8. a toggle mechanism; 81. a rotating ring; 82. a connecting plate; 83. a swing rod; 84. a first connecting strip; 85. a chute plate; 8501. a sliding groove; 851. a support block; 86. a slider; 87. a second connecting strip; 9. a tensioning mechanism; 91. a sleeve; 92. a tension rod; 93. a limit bolt; 94. a spring; 95. adjusting a knob; 96. a limiting plate; 961. a second waist-shaped hole; 962. a through hole.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses take-up device for open-end spinning machine is used in laboratory. Referring to fig. 1 and 2, the winding device includes a winding frame 1, a rubber roller 21, a winding roller 22 and a reciprocating mechanism 300, the winding frame 1 is installed on a top plate 1001 at the top of a machine body 100, a spinning cup 200 is installed on the machine body 100, the winding frame 1 is located above the spinning cup 200, the winding frame 1 includes two supporting plates 11 parallel to each other, the supporting plates 11 are vertically fixedly connected to the top plate 1001, the surface of the rubber roller 21 is made of rubber, and the rubber roller 21 is rotatably arranged between the two supporting plates 11.

Referring to fig. 2, the reciprocating mechanism 300 includes a reciprocating screw roller 301, a guide rod 302 and a sliding plate 303, the outer circumferential surface of the reciprocating screw roller 301 is formed by two screw grooves with the same pitch and opposite rotation directions, the reciprocating screw roller 301 is located below the rubber roller 21, and the reciprocating screw roller 301 is rotatably disposed between two support plates 11; the guide bars 302 are provided with two and parallel to each other, the perpendicular line between the two guide bars 302 is perpendicular to the top plate 1001, and the two guide bars 302 are positioned at one side of the reciprocating screw roller 301 close to the spinning cup 200; a sliding plate 303 is slidably disposed between the two guide rods 302, and the sliding plate 303 is engaged with the thread groove of the reciprocating thread roller 301. The sliding plate 303 is hinged with a guide strip 4, and the side edge of the guide strip 4 is provided with a notch 4001. The yarn flowing out from the yarn outlet of the spinning cup 200 passes through the slit 4001 and is wound around the wind-up roller 22.

Referring to fig. 2, the axial direction of wind-up roll 22 is consistent with the axial direction of rubber roll 21, wind-up roll 22 is located the top of rubber roll 21 and contradicts with rubber roll 21, be fixed with support frame 7 on the roof 1001, support frame 7 is located the one side that spinning cup 200 was kept away from to take-up 1, it has swing span 5 to articulate on the support frame 7, swing span 5 is the U-shaped, the U-shaped opening in swing span 5 is located the top of rubber roll 21, wind-up roll 22 can dismantle and set up between the tip at the both ends of swing span 5, the middle part that swing span 5 kept away from wind-up roll 22 one side is the pin joint.

Referring to fig. 3, a driving mechanism 6 for driving the reciprocating threaded roller 301 and the rubber roller 21 to rotate is disposed on the take-up stand 1, the driving mechanism 6 includes a first synchronizing wheel 61, a second synchronizing wheel 62, a driving motor 63, a third synchronizing wheel 64 and a synchronous belt 65 which are disposed on one side of one of the supporting plates 11 far away from the rubber roller 21, the first synchronizing wheel 61 is coaxially connected to the rotating shaft of the rubber roller 21, the second synchronizing wheel 62 is coaxially connected to the rotating shaft of the reciprocating threaded roller 301, the driving motor 63 is mounted on the supporting plate 11 near the side of the first synchronizing wheel 61, the axial direction of the output shaft of the driving motor 63 is consistent with the axial direction of the first synchronizing wheel 61, the third synchronizing wheel 64 is coaxially connected to the output shaft of the driving motor 63, and the synchronous belt 65 is wound among the first synchronizing wheel 61, the second synchronizing wheel 62 and the third synchronizing wheel 64.

Rotor spinning machine during operation, driving motor 63 drives three 64 rotations of synchronizing wheel, hold-in range 65 on the synchronizing wheel three 64 can drive a synchronizing wheel 61 and two 62 rotations of synchronizing wheel, and then can drive rubber roll 21 and reciprocal screw roll 301 and rotate, utilize the frictional force between rubber roll 21 and the wind-up roll 22, can drive the wind-up roll 22 and rotate, thereby can carry out the rolling to the outflow yarn in the spinning cup 200, the rotation of reciprocal screw roll 301 can drive reciprocating motion about slide 303, and then can make guide strip 4 on the slide 303 drive the yarn and remove about, therefore can be with orderly the winding of yarn locate on the wind-up roll 22, take place the condition of disorder and take place when can reducing the yarn rolling.

Referring to fig. 4, the guide bar 4 includes a horizontal bar 41 and a vertical bar 42, the horizontal bar 41 and the vertical bar 42 are integrally formed and perpendicular to each other, the vertical bar 42 is perpendicular to the guide rod 302 in the length direction, the portion between the vertical bar 42 and the horizontal bar 41 is hinged to the sliding plate 303, and a notch 4001 is opened on the side edge of one end of the vertical bar 42 away from the horizontal bar 41.

Referring to fig. 2 and 4, a toggle mechanism 8 is arranged between the support frame 7 and the guide strip 4, the toggle mechanism 8 includes a rotating ring 81, a connecting plate 82, a swing rod 83, a first connecting strip 84, a chute plate 85, a sliding block 86 and a second connecting strip 87, and the rotating ring 81 is sleeved on a rotating shaft of the swing frame 5 hinged to the support frame 7; the connecting plate 82 is a strip-shaped plate, and the connecting plate 82 is fixedly connected between the side wall of the rotating ring 81 and the side wall of the swing frame 5 close to one end of the winding roller 22; the swing rod 83 is a strip-shaped rod, the middle part of the swing rod 83 is hinged to the inner wall of the supporting plate 11, close to the connecting plate 82, in the take-up stand 1, the hinged part of the swing rod 83 is positioned above the axis of the rubber roller 21, and two ends of the swing rod 83 are positioned on two sides of the axis of the rubber roller 21; one end of the first connecting strip 84 is hinged to the end part of the swing rod 83 close to one end of the rotating ring 81, and the other end of the first connecting strip is hinged to the side wall of the rotating ring 81 far away from one side of the connecting plate 82; the length direction of the chute plate 85 is consistent with that of the guide rod 302, the middle part of the chute plate 85 is hinged with a supporting block 851, the supporting block 851 is fixed on the top plate 1001, the chute plate 85 is positioned on one side of the guide rod 302 far away from the reciprocating threaded roller 301, and one side of the chute plate 85 close to the reciprocating threaded roller 301 is provided with a chute 8501; the slide block 86 is slidably disposed in the slide groove 8501; one end of the second connecting strip 87 is hinged to the end part of the chute plate 85 close to one end of the swing rod 83, and the other end is hinged to the end part of the swing rod 83 far away from one end of the first connecting strip 84. The end of the transverse bar 41 of the guide bar 4 remote from the vertical bar 42 is hinged to a sliding block 86.

After the yarn is continuously wound on the winding roller 22, the thickness of the winding roller 22 gradually becomes thicker, so that the swing frame 5 can swing upwards, the swing frame 5 can swing to drive the connecting plate 82 to swing, the connecting plate 82 swings to drive the rotating ring 81 to rotate, the rotating ring 81 rotates to drive the connecting strip one 84 to integrally move upwards, so that one end of the swing rod 83, which is far away from the connecting strip one 84, can move downwards, so that the connecting strip two 87 can move downwards, one end of the sliding groove plate 85, which is close to the connecting strip two 87, can swing downwards, one end of the transverse strip 41, which is far away from the vertical strip 42, can swing upwards, so that one end of the vertical strip 42, which is far away from the transverse strip 41, can swing towards the middle part of the winding roller 22, because the stroke of the sliding plate 303 on the reciprocating threaded roller 301 is unchanged, when the transverse strip 41 moves to one end of the connecting strip two 87, and under the action of the sliding groove plate 85, one end of the vertical bar 42, which is far away from the horizontal bar 41, swings to the middle of the wind-up roll 22, so that the yarn wound at the two ends of the wind-up roll 22 is in a conical shape, and the possibility of falling of the yarn is reduced.

Referring to fig. 3 and 5, a first waist-shaped hole 101 is formed in the top plate 1001, the first waist-shaped hole 101 is located right below a hinge joint of the swing frame 5 hinged to the support frame 7, and the length direction of the first waist-shaped hole 101 is consistent with that of the wind-up roll 22. A tensioning mechanism 9 is arranged between the swing frame 5 and the top plate 1001, the tensioning mechanism 9 comprises a sleeve 91, a tensioning rod 92, a limiting bolt 93, a spring 94, an adjusting knob 95 and a limiting plate 96, the limiting plate 96 abuts against the upper surface of the top plate 1001, the limiting plate 96 is located on a first waist-shaped hole 101, two waist-shaped holes 961 are formed in four corners of the limiting plate 96, the length direction of the second waist-shaped holes 961 is consistent with the length direction of the first waist-shaped hole 101, the limiting plate 96 can be fixed on the top plate 1001 by penetrating the second waist-shaped holes 961 and the top plate through a connecting bolt, a through hole 962 is further formed in the middle of the limiting plate 96, and the through hole 962 is located above the first waist-shaped hole 101; the sleeve 91 is arranged in the first waist-shaped hole 101 and the through hole 962 in a penetrating manner, one end of the sleeve 91 is positioned below the top plate 1001, and the other end of the sleeve 91 is positioned above the limiting plate 96; the tension rod 92 is arranged in the sleeve 91 in a penetrating manner, one end of the tension rod 92 is positioned below the bottom of the sleeve 91, and the other end of the tension rod 92 is close to the swing frame 5; the limiting bolt 93 is in threaded connection with the end part of the tensioning rod 92 at one end below the sleeve 91; the spring 94 is sleeved on the sleeve 91, and one end of the spring 94 abuts against the limit plate 96; an adjustment knob 95 abuts the end of the spring 94 remote from the retainer plate 96, and the adjustment knob 95 is threaded onto the tension rod 92. An adapter plate 501 is fixedly connected to the bottom of the swing frame 5, a through hole 5011 is formed in the adapter plate 501, the axis of the through hole 5011 is consistent with the axis of the wind-up roll 22, and one end, far away from the sleeve 91, of the tensioning rod 92 is bent and inserted into the through hole 5011.

When the tensioning mechanism 9 needs to be installed, the limiting plate 96 can be placed above the first waist-shaped hole 101, then the sleeve 91 penetrates through the first waist-shaped hole 101 and the through hole 962, the spring 94 is sleeved on the sleeve 91, the tensioning rod 92 penetrates through the spring 94 and the sleeve 91, the limiting bolt 93 is connected to one end of the tensioning rod 92 located at the bottom of the sleeve 91, then the bending end of the tensioning rod 92 penetrates through the through hole 5011, and finally the limiting plate 96 is fixed on the machine body 100 through the second waist-shaped hole 961 by the aid of the connecting bolt, so that the tensioning mechanism 9 is convenient to install.

Further, through rotatory adjust knob 95, can adjust the interval between adjust knob 95 and the spring 94, after contradict wind-up roll 22 on rubber roll 21, under spring 94's effect, can provide a holding power to adjust knob 95, and then can reduce wind-up roll 22 to the pressure that rubber roll 21 was applyed, and then can be when guaranteeing wind-up roll 22 to contradict in rubber roll 21, also be favorable to around locating the wind-up roll 22 with the yarn.

Referring to fig. 1 and 6, a line pressing mechanism 400 is further disposed on the machine body 100, the line pressing mechanism 400 is located between the spinning cup 200 and the take-up stand 1, the line pressing mechanism 400 includes a driving roller 401, a mounting roller 402, a swinging member 403, a rubber pressing roller 404, a locking ring 405, a locking screw 406 and mounting plates 407, the mounting plates 407 are disposed in two and parallel to each other, and the two mounting plates 407 are vertically and fixedly connected to the side walls of the machine body 100; the driving roller 401 is rotatably arranged between the two mounting plates 407, the axial direction of the driving roller 401 is consistent with the axial direction of the take-up roller, and a motor for driving the driving roller 401 to rotate is arranged in the machine body 100; the mounting roller 402 is positioned above the driving roller 401, the mounting roller 402 is fixedly connected between the two mounting plates 407, and the axial direction of the mounting roller 402 is consistent with the axial direction of the driving roller 401; the swinging piece 403 comprises a collar 4031 and an extension bar 4032, the collar 4031 is sleeved on the mounting roller 402, the collar 4031 is located on a vertical line perpendicular to the axis of the take-up roller, the extension bar 4032 is vertically and fixedly connected to the outer peripheral surface of the collar 4031, and one end of the extension bar 4032 far away from the collar 4031 extends to the upper side of the driving roller 401; the rubber pressure roller 404 is rotatably arranged at the end part of one end of the extension bar 4032 far away from the sleeve 4031, and the rubber pressure roller 404 is abutted against the driving roller 401; two locking rings 405 are arranged and sleeved on the mounting roller 402, and the two locking rings 405 respectively abut against the end faces at two ends of the lantern ring 4031; the locking screw 406 is vertically screwed on the circumference of the collar 4031, the locking screw 406 passes through the collar 4031 to abut against the mounting roller 402, and the locking screws 406 are arranged on both the locking rings 405. The yarn flowing out from the yarn outlet of the spinning cup 200 passes through the space between the rubber compression roller 404 and the driving roller 401, so that the yarn can be prevented from greatly swinging between the winding roller 22 and the spinning cup 200, and the yarn can be conveniently wound.

The implementation principle of the take-up device of the open-end spinning machine for the laboratory is as follows: actuating mechanism 6 drives rubber roller 21 and reciprocal threaded roll 301 and rotates, utilize the frictional force between rubber roller 21 and the wind-up roll 22, can drive wind-up roll 22 and rotate, thereby can roll the outflow yarn in the spinning cup 200, the rotation of reciprocal threaded roll 301 can drive guide strip 4 left and right reciprocating motion on the slide 303, and then can be with the orderly winding of yarn on locating wind-up roll 22, take place the condition of disorder when can reducing the yarn rolling and take place, furthermore, toggle mechanism 8 can be so that guide strip 4 swings about, and then can be so that the yarn after the wind-up roll 22 both ends is the toper form, with the possibility that the reduction yarn drops.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a take-up of open-end spinning machine is used in laboratory which characterized in that: comprises a take-up frame (1) arranged on a machine body (100), a guide strip (4) used for driving yarns to move is arranged on the take-up frame (1), the take-up stand (1) is provided with a reciprocating mechanism (300) for driving the guide strip (4) to reciprocate left and right, a rubber roller (21) is rotatably arranged on the take-up stand (1), a swing frame (5) is arranged above the take-up stand (1), a winding roller (22) for winding the yarn is rotatably arranged on the swinging frame (5), the winding roller (22) is abutted against the rubber roller (21), a support frame (7) used for the swinging frame (5) to swing up and down is arranged on the machine body (100), the machine body (100) is provided with a driving mechanism (6) for driving the rubber roller (21) to rotate, and the machine body (100) is provided with a spinning cup (200).

2. A take-up device of a laboratory rotor spinning machine according to claim 1, characterized in that: reciprocating mechanism (300) including rotate set up reciprocal screw roll (301) on take-up stand (1), rigid coupling in guide bar (302) on take-up stand (1), with reciprocal screw roll (301) complex slide (303), guide strip (4) set up on slide (303).

3. A take-up device of a laboratory rotor spinning machine according to claim 2, characterized in that: the driving mechanism (6) comprises a first synchronizing wheel (61) coaxially connected to the rubber roller (21), a second synchronizing wheel (62) coaxially connected to the reciprocating threaded roller (301), a driving motor (63) fixed on the machine body (100), and a third synchronizing wheel (64) coaxially connected to an output shaft of the driving motor (63), wherein a synchronous belt (65) is wound between the first synchronizing wheel (61), the second synchronizing wheel (62) and the third synchronizing wheel (64).

4. A take-up device of a laboratory rotor spinning machine according to claim 2, characterized in that: one end of the guide strip (4) is hinged to the sliding plate (303), and a toggle mechanism (8) for toggling the guide strip (4) to swing left and right is arranged between the support frame (7) and the guide strip (4).

5. A take-up device of a laboratory rotor spinning machine according to claim 4, characterized in that: the guide strip (4) comprises a transverse strip (41) and a vertical strip (42) which are integrally formed, the length direction of the transverse strip (41) is consistent with that of the guide rod (302), the vertical strip (42) is perpendicular to the transverse strip (41), the transverse strip (41) and the vertical strip (42) are hinged to a sliding plate (303), yarns are located at one end, away from the sliding plate (303), of the vertical strip (42), and one side, away from the winding roller (22), of the swing frame (5) is hinged to a supporting frame (7); the toggle mechanism (8) comprises a rotating ring (81) rotatably arranged on the support frame (7), a connecting plate (82) fixedly connected between the rotating ring (81) and the swing frame (5), a swing rod (83) hinged to the take-up frame (1) at the middle position, a first connecting strip (84) hinged between one end of the swing rod (83) close to the rotating ring (81) and the rotating ring (81), a sliding groove plate (85) hinged to the machine body (100) at the middle position, a sliding block (86) slidably arranged in the sliding groove plate (85), and a second connecting strip (87) hinged between one end of the sliding groove plate (85) close to the swing rod (83) and one end of the swing rod (83) far away from the first connecting strip (84), wherein one end of the transverse strip (41) far away from the vertical strip (42) is hinged to the sliding block (86).

6. A take-up device of a laboratory rotor spinning machine according to claim 1, characterized in that: swing frame (5) with be provided with straining device (9) between organism (100), straining device (9) are including wearing to locate sleeve (91) at organism (100) top, one end pass sleeve (91) and the other end articulate tensioning rod (92) on swing frame (5), threaded connection in tensioning rod (92) keep away from spacing bolt (93) of swing frame (5) one end, cover locate on sleeve (91) and lie in spring (94) on organism (100), threaded connection on tensioning rod (92) and support tightly in spring (94) keep away from adjusting knob (95) of sleeve (91) one end.

7. A take-up device of a laboratory rotor spinning machine according to claim 6, characterized in that: waist shape hole one (101) have been seted up at the top of organism (100), waist shape hole one (101) is passed in sleeve (91), the bottom rigid coupling of swing span (5) has adapter plate (501), set up through-hole (5011) that the length direction of axis direction and waist shape hole one (101) is unanimous on adapter plate (501), the one end that sleeve (91) were kept away from in tensioning rod (92) is the form of bending and inserts and locate in through-hole (5011), bolted connection has limiting plate (96) on organism (100), waist shape hole two (961) that length direction and waist shape hole one (101) length direction are unanimous have been seted up on limiting plate (96), waist shape hole two (961) are used for connecting bolt to fix limiting plate (96), sleeve (91) pass limiting plate (96).

8. A take-up device of a laboratory rotor spinning machine according to claim 1, characterized in that: and a gap (4001) is formed in the side edge of the guide strip (4), and yarns pass through the gap (4001).

9. A take-up device of a laboratory rotor spinning machine according to claim 1, characterized in that: the spinning machine is characterized in that a line pressing mechanism (400) is arranged between the spinning cup (200) and the take-up stand (1) of the machine body (100), and the line pressing mechanism (400) comprises a driving roller (401) rotatably arranged on the machine body (100), an installation roller (402) fixed on the machine body (100) and positioned above the driving roller (401), a swinging piece (403) sleeved on the installation roller (402), and a rubber pressing roller (404) rotatably arranged on the swinging piece (403) and abutted to the driving roller (401).

10. A take-up device of a laboratory rotor spinning machine according to claim 9, characterized in that: the swinging piece (403) comprises a collar (4031) sleeved on the mounting roller (402) and an extension rod (4032) vertically and fixedly connected to the peripheral surface of the collar (4031), and the rubber pressure roller (404) is rotatably arranged at one end, far away from the collar (4031), of the extension rod (4032); the wire pressing mechanism (400) further comprises locking rings (405) located on end faces of two ends of the lantern ring (4031) and locking screws (406) in threaded connection with the locking rings (405), the locking rings (405) abut against the end faces of the lantern ring (4031), and the locking screws (406) penetrate through the locking rings (405) and abut against the mounting rollers (402).

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