CN110552092A - Tube replacing mechanism of spinning frame, spinning frame adopting tube replacing mechanism and tube replacing method of spinning frame - Google Patents
Tube replacing mechanism of spinning frame, spinning frame adopting tube replacing mechanism and tube replacing method of spinning frame Download PDFInfo
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- CN110552092A CN110552092A CN201810536196.4A CN201810536196A CN110552092A CN 110552092 A CN110552092 A CN 110552092A CN 201810536196 A CN201810536196 A CN 201810536196A CN 110552092 A CN110552092 A CN 110552092A
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- bobbin
- tube
- grabbing
- spinning frame
- replacing
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H9/00—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine
- D01H9/02—Arrangements for replacing or removing bobbins, cores, receptacles, or completed packages at paying-out or take-up stations ; Combination of spinning-winding machine for removing completed take-up packages and replacing by bobbins, cores, or receptacles at take-up stations; Transferring material between adjacent full and empty take-up elements
- D01H9/04—Doffing arrangements integral with spinning or twisting machines
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- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention provides a bobbin replacing method and a bobbin replacing mechanism of a spinning frame, wherein the spinning frame comprises a roving frame for hanging a roving bobbin, a drafting unit for drafting roving, a spindle capable of rotating at a high speed, a spun yarn bobbin sleeved outside the spindle, a ring rail sleeved outside the spun yarn bobbin, and a steel wire ring arranged on the ring rail and driving the spun yarn to rotate, the spun yarn drafted by the drafting unit is wound on the spun yarn bobbin rotating along with the spindle, the spinning frame also comprises the bobbin replacing mechanism for collectively replacing the spun yarn bobbin, and the bobbin grabbing mechanism for clamping the spun yarn bobbin by the bobbin replacing mechanism is a mechanical automatic bobbin grabbing and releasing mechanism. The pipe gripping mechanism of the pipe replacing mechanism is a mechanical automatic pipe gripping and releasing mechanism, has a simple structure, does not need a driving source, and can effectively reduce the cost.
Description
Technical Field
The invention relates to the field of spinning machinery, in particular to an improvement of a spinning frame and a tube replacing mechanism thereof and a tube replacing method by adopting the tube replacing mechanism.
Background
The spinning frame is a spinning device which drafts the rough yarn into spun yarn. Typically, a spinning frame has several hundreds or even thousands of spindle positions, each having a bobbin driven by a rotating spindle onto which the drafted yarn is wound, and when the yarn is wound on the bobbin to a predetermined length, it is necessary to remove the full bobbin from the spindle and then replace the full bobbin with an empty bobbin and insert it onto the spindle to continue spinning, the entire process being called doffing. One of the existing doffing methods of the spinning frame is to adopt a doffing trolley to perform doffing in a single spindle position, and the other method is to perform collective doffing on all spindle positions simultaneously. The single-spindle doffing has lower efficiency and cannot be directly connected with the subsequent spooling process, so the collective doffing is more advantageous.
the existing collective doffing method of the spinning frame is that a cross arm covering all spindle positions on one side of the spinning frame is arranged along a station of the spinning frame, a bobbin grabbing mechanism is arranged on the cross arm corresponding to each spindle position, when doffing is needed, the cross arm is driven to drive the bobbin grabbing mechanism to move to the position above a full bobbin, then the bobbin grabbing mechanism is driven to grab a full bobbin, then the cross arm is driven to move to pull the full bobbin from a spindle, then the full bobbin is placed on a bobbin transportation tray, the bobbin grabbing mechanism is controlled to release the full bobbin, then the cross arm is controlled to drive the bobbin grabbing mechanism to move to an empty bobbin, the bobbin grabbing mechanism is driven to grab an empty bobbin, the empty bobbin is inserted into a spindle of the spinning frame, and then the bobbin grabbing mechanism is driven to release the. According to the existing collective doffing method, a bobbin grabbing mechanism on a cross arm mainly grabs a bobbin through an electrically controlled pneumatic switch, so that the bobbin grabbing mechanism corresponding to each spindle position is connected with an air source through a pipeline and needs to be ventilated and closed through the electrically controlled pneumatic switch, the whole bobbin grabbing mechanism is complex in structure and high in control precision requirement, and the cost is very high.
Disclosure of Invention
Still another object of the present invention is to provide an improved tube grasping mechanism of a spinning frame.
The invention aims to provide a spinning frame with an improved pipe grabbing mechanism.
The invention also aims to provide a doffing method of the spinning frame.
In order to achieve the purpose, the tube replacing mechanism of the spinning frame comprises a cross arm and a driving mechanism for driving the cross arm, wherein a tube grabbing and releasing mechanism for grabbing and releasing the spun yarn tubes is arranged on the cross arm, and the mechanism for grabbing the spun yarn tubes is a mechanical automatic tube grabbing and releasing mechanism without a driving source.
according to one embodiment of the invention, the mechanical automatic bobbin grabbing and releasing mechanism is a bobbin grabbing and releasing mechanism capable of circularly grabbing and releasing the bobbins by pressing once and pressing again to release the bobbins.
according to one embodiment of the invention, the mechanical automatic bobbin grasping and releasing mechanism is a bobbin grasping and releasing mechanism which can be inserted into the spun yarn tube, after being pressed, the clamping arm is opened to abut against the inner wall of the spun yarn tube to clamp the spun yarn tube, and the clamping arm is pressed again to retract to release the spun yarn tube.
According to one embodiment of the invention, the pipe grabbing mechanism comprises a cylindrical cavity, a circulating rotating device is arranged on the inner wall of the cavity, a transmission block is connected to the lower end of the circulating rotating device, the circulating rotating device drives the transmission block to be located at different positions, a clamping arm capable of extending out of the cavity is connected to the lower end of the transmission block, a separation shaft is arranged at the lower end of the cavity, and a conical pressing block capable of moving up and down along the cavity and abutting against the transmission block is sleeved outside the cavity.
According to one embodiment of the invention, the circulating rotation device comprises toothed grooves and rotating blocks, the toothed grooves are arranged on the inner wall of the cavity and have different intervals, the surfaces of the rotating blocks are provided with protruding blocks, and the protruding blocks slide in the toothed grooves with different lengths to enable the rotating blocks to be respectively positioned at different heights.
According to one embodiment of the invention, the circulating rotation device comprises a rotation block which is arranged in the cavity and can rotate around a horizontal shaft, a reed is clamped outside the rotation block, and the rotation of the rotation block drives the reed to be in different positions.
According to one embodiment of the invention, a plurality of pipe grabbing and placing mechanisms corresponding to the number of stations on one side of the spinning frame are arranged on the cross arm of the pipe replacing mechanism.
to achieve the above another object, the present invention provides a spinning machine, which includes a creel for suspending a roving bobbin, a drafting unit for drafting the roving, a spindle capable of being driven to rotate at a high speed, a ring bobbin sleeved outside the spindle, a ring rail sleeved outside the ring bobbin, and a traveler arranged on the ring rail for driving the spun yarn to rotate, wherein the spun yarn drafted by the drafting unit is wound on the ring bobbin rotating with the spindle, and the spinning machine further includes the bobbin replacing mechanism for replacing the ring bobbin.
To achieve the above-mentioned further object, the present invention provides a bobbin replacing method for a spinning frame, the spinning frame including the bobbin replacing mechanism for replacing a bobbin, the method including:
The cross arm of the tube replacing mechanism is driven to move from the initial position to the state that the tube grabbing mechanism is in contact with the full bobbin, the cross arm is continuously driven downwards to press the tube grabbing mechanism, so that the tube grabbing mechanism grabs the full bobbin, the cross arm of the tube replacing mechanism is driven to move upwards, and the full bobbin is pulled out from the spindle;
The cross arm of the tube replacing mechanism is driven to move outwards and downwards, the full bobbin is inserted into the supporting seat of the ring bobbin conveying belt, the cross arm of the tube replacing mechanism is driven to move downwards continuously, and the tube grabbing and placing mechanism is pressed to enable the tube grabbing and placing mechanism to release the full bobbin;
Moving the ring bobbin conveying belt to align the empty bobbin on the ring bobbin conveying belt with the bobbin grabbing and releasing mechanism of the bobbin replacing mechanism;
Driving a cross arm of the tube replacing mechanism to move until the tube grabbing mechanism is contacted with an empty bobbin, driving the cross arm to continue moving downwards to press the tube grabbing mechanism, enabling the tube grabbing mechanism to grab the empty bobbin, driving the cross arm to align the grabbed empty bobbin with a spindle of a spinning machine, and then inserting the empty bobbin into the spindle of the spinning machine;
Continuously driving a cross arm of the tube replacing mechanism downwards, and pressing the tube grabbing and releasing mechanism to enable the tube grabbing and releasing mechanism to release empty bobbins;
The cross arm of the tube replacing mechanism is driven upwards to separate the tube grabbing mechanism from the empty bobbin, and the tube replacing mechanism is driven to return to the initial position.
According to one embodiment of the invention, the step of grabbing the full bobbin or the empty bobbin is that a cross arm of the bobbin replacing mechanism is driven to move, a clamping arm of a bobbin grabbing and releasing mechanism on the cross arm of the bobbin replacing mechanism is inserted into the full bobbin or the empty bobbin, the cross arm of the bobbin replacing mechanism is driven to continue moving downwards, the bobbin grabbing and releasing mechanism is pressed to open the clamping arm of the bobbin grabbing and releasing mechanism, and the inner wall of the full bobbin or the empty bobbin is clamped to grab the full bobbin or the empty bobbin;
And the step of releasing the full bobbin or the empty bobbin comprises the steps of driving a cross arm of the bobbin replacing mechanism, pressing the bobbin grasping and releasing mechanism, enabling a clamping arm of the bobbin grasping and releasing mechanism to contract, and releasing the full bobbin or the empty bobbin.
The pipe gripping mechanism of the spinning frame is a mechanical automatic pipe gripping and releasing mechanism without a driving source, pneumatic or electric control is not needed, the whole structure is simple, the control is convenient, and the machine cost can be greatly reduced.
Drawings
fig. 1 is a schematic structural view of a spinning frame of the present invention.
fig. 2 and fig. 3 are schematic structural views of the tube grasping mechanism of the spinning frame of the present invention.
fig. 4a to 4e are schematic diagrams of the tube grasping mechanism of the spinning frame of the invention for grasping tubes and releasing bobbins.
Detailed Description
Referring to fig. 1, the present invention relates to a spinning frame, also called a ring spinning frame, for drafting a roving yarn to form a spun yarn. As shown in fig. 1, it only schematically shows a partial structural schematic diagram of a spinning frame. The spinning frame of the present invention includes a creel 2 on which a roving bobbin 1 is suspended, a drafting unit 3 for drafting the roving, a spindle 4 which can be driven by a motor to rotate at a high speed, a spun yarn bobbin 5 which is fitted around the spindle 4, a ring rail 6 which is fitted around the spun yarn bobbin 5, and a traveler (not shown) which is provided on the ring rail 6 and rotates the spun yarn, and the spun yarn drafted by the drafting unit 3 is wound around the spun yarn bobbin 5 which rotates with the spindle. The spinning machine also comprises a tube replacing mechanism 7 for collectively replacing the spun yarn tubes, wherein the tube replacing mechanism 7 comprises a supporting arm 71 driven by a driving mechanism (not shown), a sleeve 72 connected with the supporting arm 71, a cross arm 73 driven by the sleeve 72, and a tube grabbing mechanism 8 corresponding to the spindles of the spinning machine is arranged on the cross arm 73. As described in the background, the tube gripping mechanisms of the conventional doffing mechanisms for collective doffing are all pneumatically or electrically driven, and have a complicated structure, and the tube gripping mechanism 8 for gripping spun tubes by the tube replacing mechanism 7 of the present invention is a mechanical automatic tube gripping and releasing mechanism without a driving source.
in one embodiment of the invention, the bobbin grasping mechanism 8 is a cyclically operable structure that can grasp the spun bobbin by one pressing and release the spun bobbin by pressing again. The structure and operation of an embodiment of the tube gripping mechanism 8 of the present invention will be described in detail with reference to the accompanying drawings.
as shown in fig. 2 and 3, the tube gripping mechanism 8 of the present invention includes a cylindrical chamber including an upper chamber 81 and a cylindrical lower chamber 82 extending downward from the upper chamber 81. The upper cavity 81 is divided into a first upper cavity 811 and a second upper cavity 812, and a saw-tooth-shaped stepped channel 813 is arranged in the lower end of the first upper cavity along the circumference of the inner wall of the first upper cavity. A tooth-shaped groove 814 with different interval lengths is arranged at the upper end of the second upper cavity along the circumference of the inner wall of the second upper cavity.
An annular rotatable rotating block 815 is disposed in the upper cavity, and a projection 816 is formed on the outer surface of the rotating block, and the projection 816 can be clamped in the sawtooth-shaped stepped grooves 813 and 814 on the inner wall of the cavity. In one embodiment of the present invention, the projection 816 is three projections disposed around the rotation block. Inside the cylindrical lower chamber 82, a driving block 817 is connected to the lower end of the rotating block 815, and an opening is formed in the wall of the cylindrical lower chamber 82, wherein the lower end portion of the driving block 817 protrudes out of the cylindrical lower chamber 82 from the opening in the wall of the lower chamber 82. A conical pressing block 818 is sleeved below the transmission block 817 outside the lower cavity 82. A pair of latch arms 820 are attached to the ends of actuator block 817 for pivotal movement about pivots 819 that extend through actuator block 817. The wall of the lower cavity 82 is provided with a slot, and the clamping arm 820 at the tail end of the transmission block 817 can penetrate out of the lower cavity from the slot on the wall of the lower cavity. At the lower end of the lower cavity, a separation shaft 821 is vertically arranged in the lower cavity, and the two clamping arms 820 are of an outward bending structure, and are outwards opened and blocked by the separation shaft 821 to be incapable of inwards contracting when the two clamping arms 820 meet the separation shaft 821 when moving downwards.
Referring to fig. 2 and fig. 3, in a normal state, the protrusion 816 of the rotating block 815 is located at the upper end a of the tooth-shaped slot of the second upper cavity, at this time, the rotating block 815 is located at the upper end of the cylindrical cavity, the transmission block 817 connected to the rotating block 815 is also located at the upper end of the cylindrical cavity, and at this time, the two latch arms 82 at the lower end of the transmission block 817 are in a retracted state.
Referring to fig. 4a, when doffing is required, the tube replacing mechanism 7 is driven to drive the tube grasping mechanism 8 to move to the upper part of the spun yarn tube, and then the tube grasping mechanism 8 is inserted into the spun yarn tube downwards, because the clamping arm 820 of the tube grasping mechanism 8 is in the contraction state at the moment, the tube grasping mechanism 8 can be inserted into the spun yarn tube of the spinning machine. Referring to fig. 4b, when the tube-grasping mechanism 8 moves downwards, the conical pressing block 818 is larger than the diameter of the end of the bobbin tube because of the larger diameter of the conical pressing block 818, the conical pressing block 818 abuts against the end of the bobbin tube, as the tube-changing mechanism 7 continues to move downwards, the tube-grasping mechanism 8 is pressed, the conical pressing block 818 of the tube-grasping mechanism 8 moves upwards to contact with the part of the driving block 817 that protrudes out of the cylindrical cavity, then the driving block 817 is pushed upwards, the rotating block 815 connected with the driving block 817 moves upwards along with the driving block 817, the projection on the rotating block 815 moves in the tooth-shaped groove 813 of the first upper cavity 811, and when the projection 816 on the rotating block 815 moves upwards to exceed the high point of the tooth-shaped groove 813 of the first upper cavity 811, the projection 816 enters the groove of the tooth-shaped groove 813 of the next upper cavity, and rotates.
referring to fig. 4c in combination with fig. 3, after the rotating block 815 rotates, the bump 816 on the rotating block 815 falls to the lower end position B of the tooth-shaped groove of the second upper cavity 812, at this time, the rotating block 815 falls to drive the transmission block 817 to move downward, the clamp arm 820 at the lower end of the transmission block 817 contacts with the separation shaft 821 and expands to both sides under the guidance of the separation shaft 821, due to the obstruction of the separation shaft 821, the two clamp arms 820 expand outward but cannot contract inward, and at this time, both ends of the clamp arm 820 abut against the inner wall of the spun bobbin 5 to clamp the spun bobbin. At this time, the bobbin replacing mechanism 7 can be driven to move upwards, and the spun yarn tube 5 can be pulled out from the spindle 4 because the clamping arm 820 of the bobbin grasping mechanism 8 is clamped on the inner wall of the spun yarn tube 5.
The tube changer 7 pulls a full bobbin 5 off the spindle 4 and moves it outwardly and then downwardly to insert the full bobbin onto a bobbin seat on a bobbin conveyor (not shown). When a full bobbin is inserted into the bobbin seat on the bobbin conveying belt, the bobbin replacing mechanism 7 is continuously driven downwards, the bobbin grasping mechanism 8 is further pressed, as shown in fig. 4d, at this time, the conical pressing block 818 of the bobbin grasping mechanism 8 abuts against the bobbin opening of the bobbin, the conical pressing block 818 pushes the transmission block 817 to move upwards, the transmission block 817 moves upwards, the rotating block 815 is driven to move upwards, at this time, the projection 816 of the rotating block 815 is separated from the tooth-shaped channel of the second upper cavity 812 and moves in the tooth-shaped channel of the first upper cavity 811, and when the projection 816 on the rotating block 815 moves upwards to exceed the high point of the tooth-shaped channel of the first upper cavity, the projection 816 enters the groove of the next tooth-shaped channel from the high point of the tooth-shaped channel of the upper cavity, so that. At this time, the driving block 817 is pushed upwards by the pressing block 818, so that the latch arm 820 below the driving block 817 is retracted.
Referring to fig. 4e, the rotating block 815 falls back to the normal position, and at this time, the protrusion 816 of the rotating block 815 is snapped to the tooth-shaped groove a of the second upper cavity 812, and since the rotating block 815 is located at the high position of the cylindrical cavity at this time, the latch arm 820 below the transmission block 817 is in a contracted state, and at this time, the bobbin replacing mechanism can be driven to move upward, and the bobbin replacing mechanism 7 drives the bobbin grasping mechanism 8 to separate from the full yarn spun yarn bobbin.
After the bobbin replacing mechanism 8 is separated from the full bobbins, the bobbin conveying belts move to enable the full bobbins to be staggered from the positions corresponding to the bobbin grabbing mechanisms of the bobbin replacing mechanism originally, and the empty bobbins arranged among the full bobbins on the bobbin conveying belts at intervals move to the positions corresponding to the bobbin grabbing mechanisms 8 of the bobbin replacing mechanism 7.
the actions of figures 4a to 4e are then repeated, as shown in figure 4a, with the tube gripping mechanism 8 first being inserted into the empty tube. Then, as shown in fig. 4b, the tube replacing mechanism 7 is driven again to continue to move downwards to press the tube grabbing mechanism 8. Then, as shown in fig. 4c, the clamp arm 820 of the tube-grasping mechanism 8 is opened and clamped on the inner wall of the empty bobbin to grasp the empty bobbin. And then, continuously driving the cross arm of the tube changing mechanism 7 to move upwards, lifting the empty bobbin grabbed by the tube grabbing mechanism 8 above the spindle, aligning the empty bobbin with the spindle, and then driving the tube changing mechanism 7 to continuously move downwards to insert the empty bobbin into the spindle. Then, as shown in fig. 4d, the tube changing mechanism 7 is driven to move downwards continuously to press the tube gripping mechanism 8, and the clamping arm 820 of the tube gripping mechanism 8 is contracted to release the empty bobbin. The tube changer 7 is then driven to move upwards to disengage the empty bobbin as shown in figure 4 e. Then the tube replacing mechanism 7 is driven to return to the initial position.
The above is only one embodiment of the present invention, in the foregoing embodiment, the cavity is provided with the rotatable device to drive the transmission block to be located at different positions up and down, and the rotatable device is formed by providing the tooth-shaped channel and the rotating block with different lengths on the inner wall of the cavity, the rotating block rotates by arranging the protrusion on the rotating block, the protrusion moves in the tooth-shaped channel on the inner wall of the cylindrical cavity to realize the circular up-and-down rotation, in other embodiments, the rotatable device may also be formed by arranging a rotating block capable of rotating around the horizontal axis in the cavity without providing the tooth-shaped channel on the inner wall of the cavity, and without adopting the matching manner of the tooth-shaped channel and the rotating block, and using a reed to hold the rotating block, the rotating block rotates once, the reed is held at the high position of the horizontal rotating block, the horizontal rotating block rotates once again, and the, the reed is used for controlling the up-down position of the transmission block so as to control the expansion and contraction of the clamping arm. The specific type of the circulating rotation device which is pressed once to be located at one position and then pressed once to be rotated to another position can be various, and is not illustrated one by one.
In addition, in the foregoing embodiment, the bobbin grasping mechanism is inserted into the interior of the spun yarn tube, and the spun yarn tube is grasped by opening the clamp arm, in other embodiments, the bobbin grasping mechanism may grasp and release the spun yarn tube by clamping the spun yarn tube from the exterior of the spun yarn tube, and the specific structure of the clamp arm or the clamp member for clamping the spun yarn tube may be various, as long as it is ensured that the spun yarn tube can be grasped mechanically, and here, the illustration is not given.
In the embodiment shown in the figure 1, the number of the bobbin grasping mechanisms of the bobbin replacing mechanism is the same as that of the spindles on one side of the whole spinning machine, and the bobbin replacing of the whole spinning machine adopts a collective doffing mode. In other embodiments, the bobbin can be grabbed and released by the bobbin grabbing mechanism of the invention in the case of single-spindle doffing with a doffing cart.
The above are merely descriptions of some specific embodiments of the technical solution of the present invention, and the inventor cannot list all the embodiments, and the scope of the claims of the present invention is not limited to the foregoing specific embodiments, and those skilled in the art can make any modification based on the specific embodiments of the present invention without inventive efforts without departing from the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a spinning frame trade tub mechanism, trade tub mechanism includes the xarm, the actuating mechanism of drive xarm, be provided with on the xarm and snatch and release the pipe mechanism of grabbing of spun yarn pipe, its characterized in that: the tube grabbing and releasing mechanism for grabbing and releasing the spun yarn tubes is a mechanical automatic tube grabbing and releasing mechanism without a driving source.
2. The tube changing mechanism of the spinning frame as claimed in claim 1, wherein: the mechanical automatic bobbin grabbing and releasing mechanism is a bobbin grabbing and releasing mechanism which can grab and release the bobbins circularly and press and release the bobbins again.
3. The tube changing mechanism of the spinning frame as claimed in claim 2, wherein: the mechanical automatic pipe grabbing and releasing mechanism can be inserted into the spun yarn pipe, when the pipe grabbing and releasing mechanism is pressed, the clamping arm of the mechanical automatic pipe grabbing and releasing mechanism is opened to abut against the inner wall of the spun yarn pipe to grab the spun yarn pipe, and when the pipe grabbing and releasing mechanism is pressed again, the clamping arm of the mechanical automatic pipe grabbing and releasing mechanism is retracted to release the spun yarn pipe.
4. The tube changing mechanism of the spinning frame as claimed in claim 3, wherein: grab a tub mechanism and include cylindrical cavity, be provided with circulation rotating device in the cavity, circulation rotating device lower extreme is connected with the transmission piece, and circulation rotating device drives the transmission piece and is in the different positions of height, and the lower extreme of transmission piece is connected with the card arm of protractile cavity, is provided with the separation axis at the lower extreme of cavity, is equipped with at the cavity overcoat and can follows the cavity up-and-down motion and can lean on the conical pressing block that leans on in the transmission piece.
5. The tube changing mechanism of the spinning frame as claimed in claim 4, wherein: the circulating rotation device comprises tooth-shaped grooves and rotating blocks, the tooth-shaped grooves are formed in the inner wall of the cavity, the lengths of the adjacent tooth-shaped grooves are different, protruding blocks are arranged on the surfaces of the rotating blocks, the transmission blocks are connected with the rotating blocks, and the protruding blocks slide in the tooth-shaped grooves with different lengths to enable the rotating blocks to be located at different positions in height respectively.
6. The tube changing mechanism of the spinning frame as claimed in claim 4, wherein: the circulating rotation device comprises a rotating block which is arranged in the cavity and can rotate around a horizontal shaft, the reed is clamped outside the rotating block and is abutted against the transmission block, and the rotating block rotates to drive the reed to be in different positions.
7. The tube changing mechanism of the spinning frame as claimed in claim 1, wherein: and a plurality of pipe grabbing and placing mechanisms with the number corresponding to that of stations on one side of the spinning frame are arranged on the cross arm of the pipe replacing mechanism.
8. a spinning frame, the spinning frame includes hanging the creel of the roving bobbin, carrying on the drafting unit drafted to the roving, the spindle that can be driven to rotate at a high speed, the spun yarn bobbin that the cover is established outside the spindle, the steel collar plate that the cover locates outside the spun yarn bobbin and set up and drive the steel traveler that the spun yarn rotates on the steel collar plate, the spun yarn through drafting unit draft is wound on the spun yarn bobbin rotating with the spindle, its characterized in that: the spinning frame further comprises a tube changing mechanism for changing the ring tubes according to any one of claims 1 to 7.
9. A bobbin replacing method of a spinning frame including a bobbin replacing mechanism for replacing a bobbin according to any one of claims 1 to 7, the method comprising:
The cross arm of the tube replacing mechanism is driven to move from the initial position to the state that the tube grabbing mechanism is in contact with the full bobbin, the cross arm is continuously driven downwards to press the tube grabbing mechanism, so that the tube grabbing mechanism grabs the full bobbin, the cross arm of the tube replacing mechanism is driven to move upwards, and the full bobbin is pulled out from the spindle;
The cross arm of the tube replacing mechanism is driven to move outwards and downwards, the full bobbin is inserted into the supporting seat of the ring bobbin conveying belt, the cross arm of the tube replacing mechanism is driven to move downwards continuously, and the tube grabbing and placing mechanism is pressed to enable the tube grabbing and placing mechanism to release the full bobbin;
Moving the ring bobbin conveying belt to align the empty bobbin on the ring bobbin conveying belt with the bobbin grabbing and releasing mechanism of the bobbin replacing mechanism;
Driving a cross arm of the tube replacing mechanism to move until the tube grabbing mechanism is contacted with an empty bobbin, driving the cross arm to continue moving downwards to press the tube grabbing mechanism, enabling the tube grabbing mechanism to grab the empty bobbin, driving the cross arm to move upwards to pull the empty bobbin out of a bobbin seat on a conveyor belt, then driving the cross arm to move to enable the grabbed empty bobbin to be aligned with a spinning frame spindle, and then inserting the empty bobbin into the spinning frame spindle;
Continuously driving a cross arm of the tube replacing mechanism downwards, and pressing the tube grabbing and releasing mechanism to enable the tube grabbing and releasing mechanism to release empty bobbins;
The cross arm of the tube replacing mechanism is driven upwards to separate the tube grabbing mechanism from the empty bobbin, and the tube replacing mechanism is driven to return to the initial position.
10. The method for replacing bobbins of a spinning frame as set forth in claim 9, wherein:
the method comprises the following steps that a cross arm of a tube replacing mechanism is driven to move, a tube grabbing and releasing mechanism on the cross arm of the tube replacing mechanism is inserted into a full bobbin or an empty bobbin, the cross arm of the tube replacing mechanism is driven to continue to move downwards, the tube grabbing and releasing mechanism is pressed, a clamping arm of the tube grabbing and releasing mechanism is opened, and the inner wall of the full bobbin or the empty bobbin is clamped to grab the full bobbin or the empty bobbin;
And the step of releasing the full bobbin or the empty bobbin comprises the steps of driving a cross arm of the bobbin replacing mechanism, pressing the bobbin grasping and releasing mechanism, enabling a clamping arm of the bobbin grasping and releasing mechanism to contract, and releasing the full bobbin or the empty bobbin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810536196.4A CN110552092B (en) | 2018-05-30 | 2018-05-30 | Tube replacing mechanism of spinning frame, spinning frame adopting tube replacing mechanism and tube replacing method of spinning frame |
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| CN201810536196.4A CN110552092B (en) | 2018-05-30 | 2018-05-30 | Tube replacing mechanism of spinning frame, spinning frame adopting tube replacing mechanism and tube replacing method of spinning frame |
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| CN110552092A true CN110552092A (en) | 2019-12-10 |
| CN110552092B CN110552092B (en) | 2021-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4310230A1 (en) * | 2022-07-18 | 2024-01-24 | Maschinenfabrik Rieter AG | Method for operating a ring spinning machine, maintenance device for a ring spinning machine and ring spinning machine |
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| CN1751980A (en) * | 2004-09-21 | 2006-03-29 | 索若两合股份有限公司 | Inserting tube yarn spindle of cross winding automatic device working position |
| CN102477599A (en) * | 2010-11-30 | 2012-05-30 | 青岛云龙纺织机械有限公司 | Automatic doffing mechanical arm device of spinning machine |
| CN204000031U (en) * | 2014-08-28 | 2014-12-10 | 湖州丝葳纺织有限公司 | The automatic filler device of a kind of ring bobbin |
| CN106906542A (en) * | 2016-09-30 | 2017-06-30 | 江苏海马纺织机械有限公司 | A kind of collective doffing device of spinning frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4310230A1 (en) * | 2022-07-18 | 2024-01-24 | Maschinenfabrik Rieter AG | Method for operating a ring spinning machine, maintenance device for a ring spinning machine and ring spinning machine |
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| CN110552092B (en) | 2021-10-08 |
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