CN209777947U - Textile machine with a device for driving the reverse rotation of a yarn package - Google Patents

Abstract

The utility model provides a textile machinery with yarn book reversal driving device, it includes a plurality of rows of stations of arranging side by side, and each station is including the bobbin support that supports the bobbin, the winding device that the drive bobbin rotated to the bobbin formation yarn book with the yarn, and each spinning station is still including driving the yarn book reversal driving device that the yarn book reverses, the utility model discloses a textile machinery with yarn book reversal driving device each station is provided with the yarn book reversal driving device that can drive the yarn book reversal, and when the yarn is broken, the yarn book reversal driving device can drive the yarn book and rotate along with normal spinning opposite direction, is convenient for look for the yarn broken end on the yarn book, is favorable to subsequent joint, can improve complete machine efficiency.

Description

Textile machine with a device for driving the reverse rotation of a yarn package

[ technical field ] A method for producing a semiconductor device

The present invention relates to the field of textile machines, and more particularly to a textile machine for winding yarns into yarn packages.

[ background of the invention ]

A conventional textile machine, such as a rotor spinning machine, generally includes a plurality of rows of identical spinning stations arranged side by side, a spinning unit for processing a yarn is provided at a lower position of each spinning station, an empty bobbin held by a bobbin holding arm is provided at an upper position of the spinning station, the empty bobbin is driven to rotate by a winding roller, the processed yarn is wound on the empty bobbin, and the empty bobbin is rotated to form a yarn package. The yarn may be broken due to various reasons in the spinning process, the broken yarn end can be wound on the yarn roll due to the inertia rotation of the yarn roll, and the broken yarn end on the yarn roll needs to be found for continuous spinning, and the broken yarn end is extended into a spinning device of the lower spinning unit for splicing.

In the prior semi-automatic rotor spinning machine, when the yarn breakage occurs, an operator manually reverses the yarn roll to find the head of the yarn from the yarn roll, and then leads the broken yarn to a spinning unit for piecing. The manual joint mode needs an operator to manually find the yarn head for joint, and the efficiency is not high.

The existing full-automatic rotor spinning machine adopts a service component which can move back and forth along the spinning machine to perform automatic piecing, but the full-automatic spinning machine can only process piecing of one station at a time and has higher cost. There is therefore a need for improvements to existing textile machines.

[ Utility model ] content

An object of the utility model is to provide a can reverse the yarn book automatically, be convenient for look for the broken end of yarn and carry out the textile machinery who connects.

In order to achieve the above object, the present invention provides a textile machine, which comprises a plurality of rows of stations arranged side by side, each station comprising a bobbin support for supporting a bobbin, a winding roller for driving the bobbin to rotate to wind yarn to the bobbin to form a yarn roll, characterized in that: each spinning station also comprises a package reversing drive device which can drive the package to rotate along the direction opposite to the normal spinning direction.

According to an embodiment of the utility model, the yardage roll is overturned drive arrangement and is included drive arrangement, can wind fixed axle pivoted arresting member by the drive arrangement drive to and install the drive roller on the arresting member, when braking the yardage roll the drive roller is controlled by actuating system and is contacted with the yardage roll and drive the yardage roll and overturn.

According to the utility model discloses an embodiment, the drive arrangement who drives the arresting member is the cylinder, the movable rod of cylinder and the surface connection of arresting member to drive the arresting member and rotate.

According to an embodiment of the present invention, the braking member is arc-shaped, and the driving roller is rotatably installed at an edge of the arc-shaped braking member.

According to the utility model discloses an embodiment, the actuating system of drive roller is motor synchronous belt drive system.

According to the utility model discloses an embodiment, motor synchronous belt drive system includes a motor, install the first drive wheel on the motor shaft, install in the braking piece and rotate the fixed epaxial second drive wheel of winding, install third drive wheel and take-up pulley on the braking piece and install in the epaxial fourth drive wheel of drive roller, first drive wheel passes through first synchronous belt with the second drive wheel and is connected, the second drive wheel passes through the second synchronous belt and is connected with the fourth drive wheel, third drive wheel and take-up pulley are located the tensioning second synchronous belt between second drive wheel and the fourth drive wheel.

According to the utility model discloses an embodiment, the border both ends of braking part are fixed with the stationary blade, drive roller install in between the stationary blade.

According to the utility model discloses an embodiment the side of arresting member is provided with half moon shape fixed mounting board, motor synchronous belt drive system's third drive wheel and take-up pulley are fixed in on the half moon shape fixed mounting board of arresting member side.

According to the utility model discloses an embodiment is fixed with the housing that covers third drive wheel, take-up pulley and fourth drive wheel on the fixed mounting panel of braking piece side.

The utility model discloses a textile machinery's each spinning station is provided with the yarn book that can drive the yarn book reversal and reverses drive arrangement, and when the yarn broken end, this reverse drive arrangement can drive the yarn book along rotating with normal spinning opposite direction, is convenient for look for the yarn broken end on the yarn book, is favorable to subsequent joint, can improve overall efficiency.

[ description of the drawings ]

Fig. 1 is a partial schematic structural view of a single station of a textile machine according to the present invention.

Fig. 2 is a schematic view of a part of the structure of another angle of a single station of the textile machine according to the invention, in which the yarn package reversing drive is in the initial state.

Fig. 3 is a schematic structural view of a yarn package reversing drive device of the textile machine of the present invention.

Fig. 4 is a partially exploded schematic view of the structure shown in fig. 3.

Fig. 5 is a further exploded view of the structure shown in fig. 4.

Fig. 6 is a schematic view from another angle of the structure shown in fig. 5.

Fig. 7 is a partial structural schematic diagram of a single station of the textile machine of the present invention, which shows a partial structural schematic diagram of a yarn roll reversing device of the textile machine in an operating state when yarn is broken.

[ detailed description ] embodiments

The present invention relates to a textile machine having a winding mechanism for winding spun yarns to form a yarn package, and may be, for example, a rotor spinning machine, a winding machine, or a twisting machine. Such a textile machine usually comprises several rows of spinning stations arranged side by side, each of which comprises a yarn processing unit (e.g. a spinning unit of a rotor spinning machine, a splicer unit of a winder or a twisting spindle unit of a twisting machine, etc.) for spinning or processing the yarn, a bobbin holder for holding an empty bobbin is provided at each station, and a winding roller driven collectively or individually is provided at each station, and the bobbin is rotated by contact of the winding roller with the bobbin to wind the yarn onto the empty bobbin to form a yarn package. The following description will be made of the present invention with reference to the accompanying drawings by taking a rotor spinning machine as an example.

Referring to fig. 1, which shows a partial structural schematic diagram of a single station of a rotor spinning machine according to the present invention, the rotor spinning machine generally includes a spinning unit (not shown) disposed at a middle position of a frame 1 of the spinning machine, the spinning unit is used for spinning cotton slivers of a rotor rotating at a high speed into yarns, and the specific principle of the rotor spinning machine and the specific structure of the spinning unit can refer to the structure of the existing rotor spinning machine, and will not be described in detail herein. The winding roller 2 is arranged at each station, and the winding rollers 2 of all stations can be integrally driven by a motor through a shaft in series connection or can be independently driven by a single motor for a single station. A bobbin holder 3 is provided above the winding roller 2, and a bobbin 4 is held between two clamp arms of the bobbin holder. As shown in fig. 2, during normal spinning, the winding roller 2 contacts the bobbin 4, the winding roller 2 is driven by the driving device to rotate, and the bobbin 4 is driven to rotate to wind the yarn onto the bobbin to form a yarn roll.

With continued reference to fig. 2, each station of the rotor spinning machine of the present invention further includes a package reversing driving device 5 disposed between the winding roller and the bobbin holder for driving the package to reverse.

Fig. 3 is a schematic view of the reverse driving device 5 of the yarn package of the textile machine according to the present invention. As shown in the drawings, the yarn package reversing device 5 of the textile machine of the present invention comprises an air cylinder 51, an arc-shaped braking member 52 driven by the air cylinder 51 and a driving roller 54 which is arranged at the front end of the braking member 52 and driven by a motor synchronous belt transmission system 53 and can drive the yarn package to reverse. The structure and connection of the components of the package reversing drive 5 will be described in detail below.

Referring to fig. 3 in combination with fig. 2, the middle of the cylinder 51 of the yarn roll reversing device 5 of the textile machine of the present invention is provided with a fixing ring 511, the cylinder 51 is fixed on the frame 6 of the textile machine by the cooperation of the bolt and the fixing ring 511, the bottom of the cylinder 51 is communicated with an air source (not shown) by a pipeline, and the movable rod 512 at the upper end of the cylinder can be driven by the air in the cylinder 51 to extend and retract along the axial direction of the cylinder.

Referring to fig. 3 to 6, the arc stopper 52 has a semi-cylindrical shape with an arc-shaped cross section, a rectangular notch 521 is formed at a middle position of an arc-shaped outer surface of the arc stopper, a connecting member 522 having two supporting pieces is fixed in the rectangular notch 521, and a distal end of a movable rod of the air cylinder penetrates through the two supporting pieces of the connecting member 522 through a fixed shaft (not numbered) to be fixed to the arc stopper 52. Two threaded holes 523 are arranged at two ends of the bottom longitudinal edge of the arc-shaped braking member, and two fixed shafts 524 shown in the figure 1 are used for fixing one ends of the threaded holes 523 fixed at two ends of the bottom edge of the braking member on the wall plate 1 between the adjacent stations of the textile machine frame so as to fix the arc-shaped braking member 52 on the textile machine frame. The arc-shaped stopper 52 can rotate about the fixed shaft 524. Two fixing pieces 525 are fixed at both ends of the upper lengthwise edge of the arc-shaped stopper, and the driving roller 54 is rotatably fixed between the two fixing pieces 525. Wherein a driving shaft 541 at one end of the driving roller protrudes a distance beyond the fixing piece 525. A half-moon-shaped fixed mounting plate 526 is fixed on the side surface of the arc brake on the driving shaft side of the driving roller 54 and is used for mounting part of the components of the motor synchronous belt transmission system 53 of the driving roller 54.

The driving roller 54 mounted at the front end of the arc brake is driven by a motor timing belt transmission system 53, which includes a motor 531. referring to fig. 2, the motor 531 can be fixed on the frame 6 of the station of the textile machine by a fixing plate 532. The output shaft of the motor is provided with a first driving wheel, a second driving wheel 534 is sleeved on the fixed shaft 524 at the bottom of the braking part, a third driving wheel 535 is fixed on the half-moon-shaped fixed mounting plate of the braking part, and a fourth driving wheel 536 is sleeved on the driving shaft 541 of the driving roller. The second driving wheel 534 is a long driving wheel, and a spacing ring 5341 is arranged in the middle of the driving wheel 534 to divide the driving wheel 534 into a first part 5342 and a second part 5343 which are separated. A first drive wheel 533 on the output shaft of the motor is connected via a first timing belt 537 to a first portion 5342 of a second drive wheel 534. The second portion 5343 of the second transmission wheel 534 is connected to the fourth transmission wheel 536 via the third transmission wheel 535 via the second timing belt 538, wherein a tension wheel 539 is provided on the semilunar fixed mounting plate 526 of the braking member near the third transmission wheel 535, and the third transmission wheel 535 and the tension wheel 539 together bend and tension the second timing belt 538.

A half-moon shaped cover 55 is arranged at the outer side of the motor synchronous belt transmission system 53, and the half-moon shaped cover 55 can be fixed on the half-moon shaped fixed mounting plate 526 through bolts to cover the fourth transmission wheel 536, the third transmission wheel 535, the tension wheel 539 and part of the second synchronous belt 538.

In assembly, referring to fig. 4, the second transmission wheel of the motor synchronous belt transmission system is sleeved on the fixed shaft 524 of the braking member, the third transmission wheel 535 and the tension wheel 539 are fixed on the fixed mounting plate 526 of the braking member, the fourth transmission wheel is sleeved on the driving shaft 541 of the driving roller, one end of the first synchronous belt is sleeved on the first transmission wheel on the motor shaft, and the other end is sleeved on the first part of the second transmission wheel on the fixed shaft. One end of the second synchronous belt is sleeved on the second part of the second driving wheel, the other end of the second synchronous belt is sleeved on the fourth driving wheel on the driving roller, and the middle of the second synchronous belt is bent and tensioned through the third driving wheel and the tensioning wheel. As shown in fig. 3, the half-moon shaped housing is fixed to the fixed mounting plate of the brake member by screws to cover the fourth driving wheel 536, the third driving wheel 535, the tension wheel 539 and a part of the second timing belt 538. As shown in fig. 2, the cylinder 51 of the package inverting device 5 is fixed to the frame 6 of the textile machine by a fixing ring, and the motor of the package inverting device and the motor of the synchronous belt drive system are also fixed to the frame 6 of the textile machine. As shown in fig. 1, the braking member of the package inverting device is fixed to wall panel 1 of the adjacent station of the frame of the textile machine by fixed shaft 524.

Referring to fig. 2, during normal spinning, the cylinder of the package reversing device is in a contracted state, and the stopper of the package reversing device is in an initial position, and the package reversing device is not in contact with the package. At this point the winding roller is rotated counterclockwise as shown by arrow a, which causes the package to rotate clockwise as shown by arrow B. When the yarn is just broken, the yarn roll keeps rotating clockwise due to inertia, so that the head of the yarn is wound on the yarn roll, and the yarn roll is inconvenient to find.

Referring to fig. 7, when the yarn is interrupted, the air cylinder of the yarn package reversing device is inflated under the control of the control system (not shown), the movable rod 512 of the air cylinder is driven by the air to extend outwards, and the movable rod 512 of the air cylinder drives the braking member 52 of the yarn package reversing device to rotate around the fixed shaft 524 until the driving roller at the front end of the braking member of the yarn package reversing device contacts with the yarn package and lifts the yarn package, so that the yarn package is separated from the winding roller. At the moment, a motor of the motor synchronous belt transmission system is started, the driving roller is driven by the synchronous belt to rotate clockwise as shown by an arrow C, the yarn roll is driven by the driving roller to rotate reversely at the moment, the yarn roll rotates anticlockwise as shown by an arrow D, so that the yarn end is convenient to find, and when the yarn end is found, the motor of the motor synchronous belt transmission system of the yarn roll reversing device stops running.

When the yarn end is found and the yarn joint is finished, the air cylinder of the yarn roll reversing device exhausts air under the control of the control system, the movable rod of the air cylinder contracts back to the air cylinder body, the movable rod of the air cylinder drives the braking piece to rotate around the fixed shaft 524 until the braking piece is separated from the yarn roll, and then the yarn roll is contacted with the winding roller again at the moment to continue spinning.

In the foregoing embodiment, a rectangular notch 521 is formed on the outer surface of the braking member 52, and a connecting member 522 connected to the movable rod 512 of the air cylinder is disposed in the rectangular notch 521, but in other embodiments, two supporting pieces connected to the movable rod of the air cylinder may be integrally formed directly on the outer surface of the braking member 52.

In the foregoing embodiment, a separate fixing plate 525 is additionally provided on the braking member for fixing the driving roller 54, and an additional fixing mounting plate 526 is provided for fixing a component of the motor synchronous belt transmission system, and in other embodiments, the fixing plate 525 and the fixing mounting plate 526 may also be an integral structure integrally fixed on the braking member 52. Still alternatively, the securing plate 525 and the mounting plate 526 may be integrally formed with the brake member 52.

In the foregoing embodiment, the four driving wheels 533, 534, 535, 536 are used to drive the driving roller 54 through the two timing belts 537, 538, in other embodiments, the driving roller may be driven by a tooth timing belt or other driving system, or directly driven by the output shaft of the motor.

The above is merely a description of some embodiments of the technical solutions of the present invention, and the inventor cannot illustrate all the embodiments one by one, and the scope of the claims of the present invention is not limited to the foregoing embodiments, and any modifications that a person skilled in the art can make based on the embodiments of the present invention without creative efforts do not depart from the scope of the claims of the present invention.

Claims (9)

1. A textile machine having a package reversing drive, comprising a plurality of rows of stations arranged side by side, each station comprising a bobbin holder for supporting a bobbin, a winding device for driving the bobbin to rotate to wind a yarn onto the bobbin to form a package, characterized in that: each spinning station also comprises a package reversing drive device which can drive the package to rotate along the direction opposite to the normal spinning direction.

2. Textile machine with a package reversing drive according to claim 1, characterized in that: the yarn roll reverse driving device comprises a driving device, a braking part driven by the driving device to rotate around a fixed shaft, and a driving roller arranged on the braking part, wherein the driving roller is controlled by a driving system to contact with the yarn roll and drive the yarn roll to reversely rotate when the yarn roll is braked.

3. Textile machine with a package reversing drive according to claim 2, characterized in that: the driving device of the braking part is an air cylinder, and a movable rod of the air cylinder is connected with the outer surface of the braking part so as to drive the braking part to rotate.

4. Textile machine with a package reversing drive according to claim 2, characterized in that: the braking part is arc-shaped, and the driving roller is rotatably arranged at the edge of the arc-shaped braking part.

5. Textile machine with a package reversing drive according to claim 2, characterized in that: and the driving system of the driving roller is a motor synchronous belt transmission system.

6. Textile machine with a package reversing drive according to claim 5, characterized in that: the motor synchronous belt transmission system comprises a motor, a first transmission wheel arranged on a motor shaft, a second transmission wheel arranged on a fixed shaft around which the braking part rotates, a third transmission wheel and a tensioning wheel arranged on the braking part, and a fourth transmission wheel arranged on a driving shaft of the driving roller, wherein the first transmission wheel is connected with the second transmission wheel through a first synchronous belt, the second transmission wheel is connected with the fourth transmission wheel through a second synchronous belt, and the third transmission wheel and the tensioning wheel are positioned between the second transmission wheel and the fourth transmission wheel to tension the second synchronous belt.

7. Textile machine with a package reversing drive according to claim 4, characterized in that: fixing plates are fixed at two ends of the edge of the braking part, and the driving roller is installed between the fixing plates.

8. Textile machine with a package reversing drive according to claim 6, characterized in that: and a half-moon-shaped fixed mounting plate is arranged on the side edge of the braking part, and a third driving wheel and a tensioning wheel of the motor synchronous belt driving system are fixed on the half-moon-shaped fixed mounting plate on the side edge of the braking part.

9. Textile machine with a package reversing drive according to claim 8, characterized in that: and a cover for covering the third driving wheel, the tensioning wheel and the fourth driving wheel is fixed on the fixed mounting plate at the side edge of the braking part.