CN110846750B - Yarn guide device of spinning machine - Google Patents

Abstract

The invention discloses a yarn guide device of a spinning machine, which comprises a fixed box used for installing yarn guide equipment, wherein both far sides of the fixed box are provided with material holes, both far sides of the fixed box far from the material holes are provided with freely rotatable rollers through rotating shafts, the outer walls of both ends of the rotating shafts are respectively fixed with bearings, the inner walls of the rotating shafts, close to the bottom side of the fixed box, of an extraction group and a speed change group are bonded with coils, a meter head is connected between both ends of a wire far from the coils, the output end of the meter head is connected with a single chip microcomputer, a magnet is fixed inside the rollers, one end, close to the top side of the fixed box, of the rollers, far from the inner wall of the fixed box, in the speed change group is fixed with a gear, a power wheel is fixed on a power output shaft of the motor. Through the matching use of the devices, the yarn drawing speed and the yarn swallowing speed can be kept consistent, the yarn stranding quality is prevented from being influenced, and the phenomenon that the yarn guide device is blocked is prevented.

Description

Yarn guide device of spinning machine

Technical Field

The invention relates to the technical field related to spinning production, in particular to a yarn guide device of a spinning machine.

Background

In the production process of yarn stranding, yarns need to be extracted from a yarn bobbin, in the extraction process, the speed of yarn extraction and the speed of yarn swallowing of a twisting machine cannot be kept consistent, so that the speed of yarn extraction cannot meet the supply requirement of the twisting machine easily, or the speed of yarn extraction is higher than the speed of yarn swallowing of the twisting machine, yarn breakage is easily caused in the two conditions, the quality of yarn stranding is influenced, and the blockage of a yarn guide device is caused, so that the yarn guide device capable of keeping the yarn extraction speed and the yarn swallowing speed synchronous constantly is urgently needed.

Disclosure of Invention

The invention aims to provide a yarn guide device of a spinning machine, which aims to solve the problems that the yarn drawing speed and the yarn swallowing speed are difficult to keep matched, and the yarn stranding quality and the yarn guide device blockage are influenced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a yarn guiding device of spinning machinery, is including the fixed case that is used for installing yarn equipment, the material hole has all been seted up to the both sides that fixed case kept away from mutually, but the both sides that material hole was kept away from to fixed case all install free rotation's running roller through the pivot, the running roller is provided with four, and four running rollers divide and establish into the extraction group and the variable speed group that are in same horizontal direction, and the running roller in every group sets up along the vertical direction in fixed case place.

Preferably, the outer walls of the two ends of the rotating shaft are both fixed with bearings, the outer walls of the bearings are fixed with the inner wall of the roller, one end of the rotating shaft is fixed with the inner wall of the fixing box, and the rotating shaft is of a hollow cylindrical shape.

Preferably, the extraction group and the speed change group are close to the inner wall of the rotating shaft at the bottom side of the fixed box, coils are bonded on the inner wall of the rotating shaft, wires are welded at two ends of each coil, a gauge head is connected between two ends, far away from the coils, of each wire, and the output end of each gauge head is connected with a single chip microcomputer.

Preferably, the inside of running roller is fixed with the magnet that three annular equidistance set up, magnet is rectangular shape, and the direction in three magnet magnetic field is unanimous, the outer wall of running roller has cup jointed the antiskid cover of rubber material.

Preferably, the rollers in the drawing group and the speed change group are attached to each other, a gear is fixed to one end, away from the inner wall of the fixed box, of the roller close to the top side of the fixed box in the speed change group, a motor is fixed to a position, close to the speed change group, of the side wall of the fixed box, a power wheel is fixed to a power output shaft of the motor, and the power wheel is connected with the gear through a chain.

Preferably, the single chip microcomputer is fixed on the side wall of the fixed box, and the output end of the single chip microcomputer is connected with the input end of the motor through a lead.

Preferably, a movable groove is formed in the bottom side of the material hole, a roller shaft capable of freely rotating is mounted between two sides of the movable groove far away from the roller wheel direction, and the roller shaft is made of ceramic materials;

preferably, the specific using steps are;

t1, before use, one end of the yarn on the yarn barrel enters the fixed box from the material hole, then the yarn is inserted between the rollers of the drawing group and the speed change group, then the end of the yarn penetrates out of the fixed box from the other material hole and is drawn to the material inlet of the twisting machine, finally the power supply of the twisting machine and the motor is started, the motor drives the power wheel to rotate and enables the gear to rotate synchronously through the chain, the twisting machine can swallow the yarn towards the inside of the material inlet of the twisting machine during operation, and the rollers in the drawing group rotate due to the friction force between the yarn and the rollers during rotation of the yarn;

t2, the roller of the extraction group at the bottom end of the extraction group drives the magnet inside the extraction group and the coil inside the rotating shaft to rotate relatively when rotating, the coil can generate induced electromotive force at the end of the coil when cutting the magnetic induction line around the magnet, the meter head can generate weak signal current inside the meter head under the action of the induced electromotive force and transmit the weak signal current to the single chip microcomputer, the roller of the speed change group at the bottom end of the speed change group can also generate induced electromotive force when rotating, the meter head connected with the speed change group transmits the weak signal current generated inside the meter head to the single chip microcomputer, and the single chip microcomputer compares the weak signal current after receiving the weak signal current transmitted to the single chip microcomputer by the two meter heads;

t3, if the current transmitted to the singlechip (5) by the gauge head (43) connected with the extraction group (41) is smaller than the current transmitted to the singlechip (5) by the gauge head (43) connected with the speed change group (42), the singlechip (5) can increase the rotating speed of the motor (71); if the current transmitted to the singlechip (5) by the gauge head (43) connected with the extraction group (41) is larger than the current transmitted to the singlechip (5) by the gauge head (43) connected with the speed change group (42), the rotation speed of the motor (71) is reduced by the singlechip (5), so that the rotation speed of the extraction group (41) can be ensured to be consistent with the rotation speed of the speed change group (42), namely the yarn swallowing speed is consistent with the yarn extraction speed;

t4, the yarn drawing speed and the yarn swallowing speed are kept consistent by the matching use of the devices, thereby avoiding the influence on the yarn stranding quality and the occurrence of blockage of the yarn guide device.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the roller rotates by taking the rotating shaft as the shaft and drives the magnet and the coil to generate relative displacement, so that the coil cuts magnetic induction lines around the magnet, the coil generates induced electromotive force and is measured by the meter head, the meter head transmits the measured induced electromotive force to the single chip microcomputer, the single chip microcomputer compares the induced electromotive force of the extraction group and the induced electromotive force of the speed change group, and then the rotating speed of the driving motor of the speed change group is changed, so that the rotating speeds of the extraction group and the speed change group are consistent, the yarn extraction speed and the yarn swallowing speed can be kept consistent, the quality of yarn stranding is prevented from being influenced, and the situation that a yarn guide device is blocked can be avoided.

2. According to the invention, the friction force between the yarn and the outer wall of the roller can be increased through the anti-slip sleeve made of rubber, the yarn extracting and swallowing speeds can be kept consistent with the roller, the induced electromotive force measured by the gauge outfit can express the rotating speed of the roller more accurately, and the fault-tolerant rate of the whole device is improved.

3. According to the invention, through the roller shaft made of the ceramic material, the friction force between the yarn and the material hole can be reduced, the loss of the friction force to the motor kinetic energy is avoided, and the condition that the yarn quality is influenced due to excessive hairiness generated when the yarn is in direct contact with the material hole is avoided.

Drawings

FIG. 1 is a schematic view of the internal structure of a fixing box according to an embodiment of the present invention;

FIG. 2 is a schematic front sectional view of a roller according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a circuit connection according to an embodiment of the invention.

In the figure: 1. a fixed box; 2. a material aperture; 21. a movable groove; 22. a roll shaft; 3. a rotating shaft; 31. a bearing; 4. a roller; 41. extracting the group; 42. a speed change group; 43. a gauge head; 5. a single chip microcomputer; 6. a magnet; 61. an anti-slip sleeve; 7. a gear; 71. an electric motor; 72. a power wheel; 8. and a coil.

Detailed Description

In order to keep the yarn drawing speed consistent with the yarn swallowing speed, avoid influencing the yarn stranding quality and prevent the yarn guide device from being blocked, the yarn guide device of the spinning machine is particularly provided. The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present embodiment provides a yarn guiding device of a spinning machine, including a fixing box 1 for installing a yarn guiding device, material holes 2 are disposed on two sides of the fixing box 1 away from each other, two sides of the fixing box 1 away from the material holes 2 are respectively installed with rollers 4 capable of rotating freely through a rotating shaft 3, the rollers 4 are four, and the four rollers 4 are respectively set into an extraction group 41 and a speed change group 42 in the same horizontal direction, and the rollers 4 in each group are disposed along the vertical direction of the fixing box 1.

Both ends outer wall of pivot 3 all is fixed with bearing 31, and the outer wall of bearing 31 is fixed with the inner wall of running roller 4, and the one end of pivot 3 is fixed with the inner wall of fixed case 1, and pivot 3 is hollow cylinder type.

The coil 8 is bonded on the inner wall of the rotating shaft 3, close to the bottom side of the fixed box 1, of the extraction group 41 and the speed change group 42, the two ends of the coil 8 are welded with wires, a gauge head 43 is connected between the two ends, far away from the coil 8, of the wires, and the output end of the gauge head 43 is connected with the single chip microcomputer 5.

The inside of running roller 4 is fixed with magnet 6 that three annular equidistance set up, magnet 6 is rectangular shape, and the direction in the 6 magnetic fields of three magnet is unanimous, the outer wall of running roller 4 has cup jointed the antiskid cover 61 of rubber material, antiskid cover 61 through rubber material, can increase the frictional force of yarn and 4 outer walls of running roller, can make the speed that the yarn extraction was swamped the yarn keep unanimous with running roller 4, the 4 rotational speeds of induced electromotive force expression running roller that messenger gauge outfit 43 measured are more accurate, promote the fault-tolerant rate of whole device.

The rollers 4 in the drawing group 41 and the speed changing group 42 are attached to each other, a gear 7 is fixed at one end, away from the inner wall of the fixed box 1, of the roller 4 close to the top side of the fixed box 1 in the speed changing group 42, a motor 71 is fixed at a position, close to the speed changing group 42, of the side wall of the fixed box 1, a power wheel 72 is fixed on a power output shaft of the motor 71, and the power wheel 72 is connected with the gear 7 through a chain.

The singlechip 5 is fixed on the side wall of the fixed box 1, and the output end of the singlechip 5 is connected with the input end of the motor 71 through a lead.

The bottom side of the material hole 2 is provided with a movable groove 21, a roller shaft 22 capable of freely rotating is arranged between two sides of the movable groove 21 far away from the direction of the roller 4, and the roller shaft 22 is made of ceramic materials.

In this embodiment, before use, one end of the yarn on the yarn bobbin enters the fixing box 1 from the material hole 2, then the yarn is inserted between the rollers 4 of the drawing group 41 and the speed changing group 42, then the end of the yarn penetrates out of the fixing box 1 from the other material hole 2 and is drawn to the material inlet of the twisting machine, finally, the power supply of the twisting machine and the motor 71 is turned on, the motor 71 drives the power wheel 72 to rotate and enables the gear 7 to rotate synchronously through the chain, the twisting machine can swallow the yarn towards the inside of the material inlet of the twisting machine during operation, and the rollers 4 in the drawing group 41 rotate due to the friction between the yarn and the rollers 4 during rotation of the yarn.

The roller 4 at the bottom end of the extraction group 41 drives the magnet 6 inside the extraction group to rotate relative to the coil 8 inside the rotating shaft 3 when rotating, the coil 8 can generate induced electromotive force at the end of the coil 8 when cutting the magnetic induction lines around the magnet 6, the gauge head 43 generates weak signal current inside the gauge head under the action of the induced electromotive force and transmits the weak signal current to the singlechip 5, the roller 4 at the bottom end of the speed change group 42 also generates induced electromotive force when rotating, the gauge head 43 connected with the speed change group 42 transmits the weak signal current generated inside the gauge head to the singlechip 5, and the singlechip 5 receives the weak signal current transmitted to the singlechip by the two gauge heads 43 and compares the weak signal current.

If the current transmitted from the gauge head 43 connected with the extraction group 41 to the single chip microcomputer 5 is less than the current transmitted from the gauge head 43 connected with the speed change group 42 to the single chip microcomputer 5, the single chip microcomputer 5 will increase the rotation speed of the motor 71, and if the current transmitted from the gauge head 43 connected with the extraction group 41 to the single chip microcomputer 5 is greater than the current transmitted from the gauge head 43 connected with the speed change group 42 to the single chip microcomputer 5, the single chip microcomputer 5 will decrease the rotation speed of the motor 71, so that the rotation speed of the extraction group 41 can be ensured to be consistent with the rotation speed of the speed change group 42, that is, the yarn swallowing speed is consistent with the yarn extraction speed.

Through the matching use of the devices, the yarn drawing speed and the yarn swallowing speed can be kept consistent, the yarn stranding quality is prevented from being influenced, and the yarn guide device is prevented from being blocked.

Wherein the gauge head 43 is IN2000, the singlechip 5 is AT80S51, and the motor 71 is 5IK 90A-CF.

Example 2

Referring to fig. 1, a further improvement is made on the basis of embodiment 1: the movable groove 21 has been seted up to the bottom side in material hole 2, but the roller 22 of free rotation is installed to movable groove 21 between the both sides that keep away from mutually along running roller 4 direction, and roller 22 is ceramic material, through ceramic material's roller 22, can enough reduce the frictional force of yarn and material hole 2, avoids the loss of frictional force to motor 71 kinetic energy, can avoid the yarn to produce too much feather when lieing in material hole 2 direct contact again, and then the condition of influence yarn strand quality takes place.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A yarn guide device of a spinning machine, comprising a fixed box (1) for installing a yarn guide device, characterized in that: both sides of the fixed box (1) far away from each other are provided with material holes (2), both sides of the fixed box (1) far away from the material holes (2) are provided with rollers (4) capable of freely rotating through rotating shafts (3), the rollers (4) are four, the four rollers (4) are divided into an extraction group (41) and a speed change group (42) which are positioned in the same horizontal direction, the rollers (4) in each group are arranged along the vertical direction of the fixed box (1), the extraction group (41) and the speed change group (42) are close to the inner wall of the rotating shaft (3) at the bottom side of the fixed box (1), coils (8) are bonded on the inner wall of the rotating shaft, both ends of the coils (8) are welded with wires, a gauge head (43) is connected between the two ends of the wires far away from the coils (8), the output end of the gauge head (43) is connected with a single chip microcomputer (5), and three magnets (6) arranged in an annular equal distance are, the magnet (6) is in a long strip shape, the directions of the magnetic fields of the three magnets (6) are consistent, and the outer wall of the roller (4) is sleeved with the anti-slip sleeve (61) made of rubber.

2. A yarn guiding device of a spinning machine according to claim 1, characterised in that: the outer wall of the two ends of the rotating shaft (3) is fixed with a bearing (31), the outer wall of the bearing (31) is fixed with the inner wall of the roller (4), one end of the rotating shaft (3) is fixed with the inner wall of the fixed box (1), and the rotating shaft (3) is of a hollow cylindrical shape.

3. A yarn guiding device of a spinning machine according to claim 1, characterised in that: the drawing group (41) and the variable speed group (42) are mutually attached through the roller (4), the variable speed group (42) is close to the top side of the fixed box (1), a gear (7) is fixed at one end, away from the inner wall of the fixed box (1), of the roller (4), a motor (71) is fixed at the position, close to the variable speed group (42), of the side wall of the fixed box (1), a power wheel (72) is fixed on a power output shaft of the motor (71), and the power wheel (72) is connected with the gear (7) through a chain.

4. A yarn guiding device of a spinning machine according to claim 1, characterised in that: the single chip microcomputer (5) is fixed on the side wall of the fixed box (1), and the output end of the single chip microcomputer (5) is connected with the input end of the motor (71) through a lead.

5. A yarn guiding device of a spinning machine according to claim 1, characterised in that: the bottom side of the material hole (2) is provided with a movable groove (21), a roller shaft (22) capable of rotating freely is installed between two sides of the movable groove (21) far away from the roller (4) along the direction, and the roller shaft (22) is made of ceramic materials.

6. The yarn guiding device of the spinning machine as claimed in claim 1, wherein the yarn guiding device comprises the following steps:

t1, before use, one end of the yarn on the yarn bobbin enters the fixed box (1) from the material hole (2), then the yarn is inserted between the roller (4) of the extraction group (41) and the speed change group (42), then the end of the yarn penetrates out of the fixed box (1) from the other material hole (2) and is pulled to the material inlet of the twisting machine, finally the power supply of the twisting machine and the motor (71) is started, the motor (71) drives the power wheel (72) to rotate and enables the gear (7) to synchronously rotate through the chain, the twisting machine can swallow the yarn towards the inside of the material inlet of the twisting machine during work, and the roller (4) in the extraction group (41) rotates due to the friction force between the yarn and the roller (4) during rotation of the yarn;

t2, the roller (4) at the bottom of the extraction group (41) drives the magnet (6) inside the extraction group and the coil (8) inside the rotating shaft (3) to rotate relatively when rotating, the coil (8) can generate induced electromotive force at the end of the coil (8) when cutting the magnetic induction line around the magnet (6), the gauge head (43) generates weak signal current inside the gauge head under the action of the induced electromotive force and transmits the weak signal current to the singlechip (5), the roller (4) at the bottom of the speed change group (42) also generates induced electromotive force when rotating, the gauge head (43) connected with the speed change group (42) transmits the weak signal current generated inside the speed change group to the singlechip (5), and the singlechip (5) compares the weak signal current transmitted to the singlechip by the two gauge heads (43);

t3, if the current transmitted to the singlechip (5) by the gauge head (43) connected with the extraction group (41) is smaller than the current transmitted to the singlechip (5) by the gauge head (43) connected with the speed change group (42), the singlechip (5) can increase the rotating speed of the motor (71); if the current transmitted to the singlechip (5) by the gauge head (43) connected with the extraction group (41) is larger than the current transmitted to the singlechip (5) by the gauge head (43) connected with the speed change group (42), the rotation speed of the motor (71) is reduced by the singlechip (5), so that the rotation speed of the extraction group (41) can be ensured to be consistent with the rotation speed of the speed change group (42), namely the yarn swallowing speed is consistent with the yarn extraction speed;

t4, the yarn drawing speed and the yarn swallowing speed are kept consistent by the matching use of the devices, thereby avoiding the influence on the yarn stranding quality and the occurrence of blockage of the yarn guide device.

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