CN211769405U - Loom machine carries cop winding device - Google Patents

Abstract

The utility model discloses a loom machine carries book latitude device, including the loom, the support that the loom frame links to each other, screw thread pivot and shelves pole vertical rotation linking bridge respectively, half thread switch is in when tightly closing the station, half thread switch connecting thread pivot, half thread switch opposite side and shelves pole looks butt, half thread switch swing joint feed carrier, the both sides that weft tube socket and weft tube socket are linking bridge respectively and are located feed carrier respectively, weft anchor clamps linking bridge is and are located feed carrier's top, the weft of weft tube loops through the weft anchor clamps, feed carrier links to each other with the weft tube socket, half thread switch links firmly clutch unit, actuating mechanism's output shaft links to each other in clutch unit, clutch unit connects the screw thread pivot, the screw thread pivot is rotated and is connected the weft tube socket, the screw thread pivot is rotated and is driven half thread switch upward movement. The utility model provides a when current cop winder damaged the maintenance, cause loom whole shutdown, the problem of loss increase is applicable to the loom.

Description

Loom machine carries cop winding device

Technical Field

The utility model belongs to the technical field of loom equipment, concretely relates to loom machine carries book latitude device.

Background

At present, in the production of a loom, a weft winder is required to be used for weft winding, but when the weft winder is damaged and maintained, the loom is also stopped and stops production due to the fact that less weft is used due to damage of the weft winder, and loss is too large.

SUMMERY OF THE UTILITY MODEL

The utility model provides a loom machine that solves current cop winder and damages when maintaining, causes loom whole shutdown easily, loss increase carries cop winder.

In order to achieve the above object, the utility model adopts the following technical scheme:

a loom-mounted weft winding device comprises a loom, a support connected with a frame of the loom, a thread rotating shaft and a stop rod which are respectively vertical and rotatably connected with the support, when a half-thread switch is positioned at a tightly closed station, the half-thread switch is in threaded connection with the thread rotating shaft, one side of the half-thread switch, which is far away from the thread rotating shaft, is abutted against the stop rod, one end of the half-thread switch is movably connected with a yarn guide mechanism, a weft tube seat is rotatably connected with the support and positioned at one side of the yarn guide mechanism, a weft tube seat is connected with the support and positioned at the other side of the yarn guide mechanism, a weft clamp is connected with the support and positioned above the yarn guide mechanism, weft on the weft tube seat is connected with the weft tube seat through the weft clamp and the yarn guide mechanism in sequence, the other end of the half-thread switch is fixedly connected with one end, the other end of the clutch unit is connected with the threaded rotating shaft, the threaded rotating shaft is rotationally connected with the weft tube seat, and the threaded rotating shaft rotates to drive the half-thread switch to move upwards along the threaded rotating shaft.

The yarn guide mechanism comprises a yarn guide, a yarn guide rod, a fixed shaft and a circular rail, the circular rail is rotatably connected with the support, the yarn guide is sleeved on the circular rail, an annular sliding rail is arranged on the periphery of the yarn guide, one end of the yarn guide rod is embedded into the annular sliding rail and slides along the annular sliding rail, the other end of the yarn guide rod extends towards the direction of the weft tube seat and is fixedly connected with a yarn guide hook, the yarn guide rod is sleeved on the fixed shaft and slides along the fixed shaft, and the fixed shaft is connected with the support.

As another limitation, the annular slide rail is an invaginated slide rail, the invaginated slide rail has a large inside and a small outside, and the invaginated slide rail is an upper slide rail and a lower slide rail which are connected with each other.

As a further limitation, the thread rotating shaft is rotatably connected with the circular rail, and the circular rail drives the yarn guide to rotate through friction force.

As a further limitation, the stop lever comprises a main body and L-shaped joints at two ends, and the upper end of the main body is connected with the bracket through a spring.

As a further limitation, the clutch unit comprises a driving shaft, a clutch plate, a flywheel, a crown gear, a clutch switch transmission shaft, a clutch switch handle and a handle transmission shaft, the driving shaft is rotatably connected with the support, the flywheel is rotatably connected with the driving shaft in a sleeved manner, the flywheel is rotatably connected with the crown gear, the crown gear is fixedly connected with the thread rotating shaft, one end of the clutch switch transmission shaft is fixedly connected with the half-thread switch, the other end side wall of the clutch switch transmission shaft is fixedly connected with a protrusion, the clutch switch handle is rotatably connected with the support and positioned above the protrusion, the clutch switch handle comprises a stop block and a pressing block, the stop block corresponds to the protrusion, the pressing block is fixedly connected with the handle transmission shaft, the handle transmission shaft comprises a transmission rod and a clutch rotating shaft, the clutch rotating shaft is rotatably connected with the support, the limiting block is positioned below the transmission rod and corresponds to the transmission rod, the pressing plate extends towards the direction of the clutch plate and exceeds the lowest end of the clutch plate, the pressing plate is abutted against the clutch plate, the clutch plate is sleeved on the driving shaft in a sliding manner, the clutch plate and the flywheel are assembled coaxially, and the clutch plate is positioned on the outer side of the flywheel.

By way of further limitation, the driving mechanism is a motor, and an output shaft of the motor is in rotary connection with the clutch unit.

The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the utility model discloses a support that loom frame links to each other, screw thread pivot and shelves pole vertical and rotate respectively and connect in the support, when half screw switch is in the tight station, half screw switch threaded connection screw thread pivot, half screw switch keeps away from one side of screw thread pivot and shelves pole butt, half screw switch one end swing joint feed carrier, the weft tube socket rotates the linking bridge and is located one side of feed carrier, the weft tube socket links bridge and is located the opposite side of feed carrier, the weft anchor clamps link bridge and is located the top of feed carrier, the weft on the weft tube socket loops through the weft anchor clamps, feed carrier links to each other with the weft tube socket, the half screw switch other end links firmly clutch unit one end, the output shaft of actuating mechanism links to each other with clutch unit, the other end of clutch unit connects the screw thread pivot, the screw thread pivot rotates and connects the weft tube socket, the screw thread pivot rotates and drives half screw switch, the purpose of winding the weft of the coiled weft pipe is achieved, the onboard weft winding device is installed on a single loom, when the weft winding device is damaged and maintained, the shutdown loom is the single loom, the whole shutdown of the loom is avoided, the loss caused by shutdown is reduced, the working efficiency is improved, and the single loom is provided with the weft winding device, so that the reconstruction cost is low, and the popularization is easy; to sum up, the utility model provides a current book latitude machine damage when maintaining, cause loom whole shutdown easily, the problem of loss increase is applicable to the loom.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a yarn guiding mechanism according to an embodiment of the present invention;

FIG. 3 is a schematic view of a stop lever according to an embodiment of the present invention;

FIG. 4 is a schematic view of a clutch unit mechanism according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a clutch plate according to an embodiment of the present invention.

Labeling components: 1-bracket, 2-thread rotating shaft, 3-gear lever, 301-main body, 302-joint, 303-spring, 4-half-thread switch, 5-yarn guide mechanism, 501-yarn guide, 502-yarn guide lever, 503-fixed shaft, 504-round rail, 505-annular slide rail, 506-yarn guide hook, 6-weft tube seat, 7-weft tube seat, 8-weft clamp, 9-clutch unit, 901-driving shaft, 902-clutch plate, 903-flywheel, 904-crown gear, 905-clutch switch transmission shaft, 9051-protrusion, 906-clutch switch handle, 9061-stopper, 9062-press block, 907-handle transmission shaft, 9071-transmission shaft, 9072-clutch rotating shaft, 10-weft, 11-driving mechanism, 12-limiting block, 13-pressing plate and 14-clutch plate shell.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

Embodiment a loom machine carries cop winding device

The embodiment discloses a loom-mounted weft winding device, as shown in fig. 1, 4 and 5, comprising a loom, a loom frame welding support 1, the support 1 is welded by steel, a thread rotating shaft 2 and a stop lever 3 are respectively vertically and rotatably connected on the support 1, a half-thread switch 4 is installed between the thread rotating shaft 2 and the stop lever 3, one side of the half-thread switch 4, which is close to the thread rotating shaft 2, is provided with a threaded groove by a machine tool, the threaded groove is matched with the thread rotating shaft 2, when the half-thread switch 4 is at a fastening station, the half-thread switch 4 is in threaded connection with the thread rotating shaft 2, one side of the half-thread switch 4, which is far away from the thread rotating shaft 2, is abutted against the stop lever 3, and the half-thread switch 4 can drive the half-thread switch 4 to slide upwards along the length direction of the stop lever 3 in the rotating process of the thread rotating shaft 2, one end of the half-thread, that is, the yarn guiding mechanism 5 is partially embedded in the half-thread switch 4 and can rotate in the half-thread switch 4 under the driving of external force, the weft tube seat 6 is rotationally connected on the bracket 1 and is positioned at one side of the yarn guiding mechanism 5, the weft tube seat 6 is a weft tube used for bearing the flying shuttle of the loom, the middle part is a shaft tightly combined with the weft tube, the shaft rotates under the driving of the rotation of the thread rotating shaft 2, the shaft and the thread rotating shaft 2 can be rotationally connected through a belt pulley and a conveyor belt, and can also be rotationally connected through a gear and a chain, the weft tube seat 7 is connected with the bracket 1 through a bolt or welding and is positioned at the other side of the yarn guiding mechanism 5, the middle part of the weft tube seat 7 is a round shaft, the round shaft is sleeved with the weft tube, the weft tube can rotate on the round shaft, the weft clamp 8 is connected with the bracket 1 through a bolt and is positioned, the weft thread clamp 8 can be provided with a conventional wadding removing mechanism, the wadding removing mechanism is not shown in the drawing, the weft thread 10 on the weft thread cylinder seat 7 is connected with a weft thread pipe on the weft thread pipe seat 6 through the weft thread clamp 8 and the yarn guide mechanism 5 in sequence, the other end of the half-thread switch 4 is fixedly connected with a clutch unit 9 through welding, the clutch unit 9 comprises a driving shaft 901, a clutch plate 902, a flywheel 903, a crown gear 904, a clutch switch transmission shaft 905, a clutch switch handle 906 and a handle transmission shaft 907, the half-thread switch 4 is fixedly connected with one end of the clutch switch transmission shaft 905 through welding, a protrusion 9051 is welded on the side wall of the other end of the clutch switch transmission shaft 905, the clutch switch handle 906 is rotatably connected with the bracket 1 and positioned above the protrusion 9051, the clutch switch handle 906 comprises a block 9061 and a pressing block 9062, the block 9061 corresponds to the protrusion 9051, the triangular shaft comprises a first section and a second section, the second section is rotatably connected with the bracket 1, the second section is abutted against the clutch plate shell 14, the first section presses the second section to move outwards and simultaneously drives the clutch plate 902 to be far away from the flywheel 903, or the handle transmission shaft 907 comprises a transmission rod 9071 and a clutch rotating shaft 9072, the clutch rotating shaft 9072 is rotatably connected with the bracket 1, the clutch rotating shaft 9072 comprises a limiting block 12 and a pressing plate 13, the limiting block 12 is positioned below the transmission rod 9071 and corresponds to the transmission rod 9071, the pressing plate 13 extends towards the direction of the clutch plate 902 and exceeds the lowest end of the clutch plate shell 14, the pressing plate 13 is positioned at the inner side of the clutch plate shell 14 and abutted against the clutch plate shell 14, the clutch plate 902 is embedded into the clutch plate shell 14, the clutch plate 902 is rotatably connected with the clutch plate shell 14, the flywheel 902 is slidably sleeved on the driving shaft 901, the driving shaft is rotatably connected with the bracket 1, the clutch plates 901 and 902 are coaxially assembled, the flywheel 903 is rotatably connected with the driving shaft 901 through a bearing, namely the driving shaft 901 is fixedly connected with an inner ring of the bearing, an outer ring of the bearing is fixedly connected with the flywheel 903, the flywheel 903 is rotatably connected with a crown gear 904, namely the flywheel 903 and the crown gear 904 are meshed for transmission, the crown gear 904 is fixedly connected with a threaded rotating shaft 2 through a key or the crown gear 904 is connected with the threaded rotating shaft 2 through welding, the driving shaft 901 is in transmission connection with an output shaft of a motor, the transmission connection can be combined through a belt pulley and a conveyor belt or can be directly connected with the output shaft through the driving shaft 901, and the motor is connected with a support 1 through bolts; when the working is needed, the motor is switched on to start rotating, the motor rotates to drive the driving shaft 901 to rotate, the clutch plate 902 and the flywheel 903 are positioned at a fastening station, the driving shaft 901 rotates to drive the clutch plate 902 and the flywheel 903 to rotate, the flywheel 903 rotates to drive the crown gear 904 to rotate, the crown gear 904 rotates to drive the threaded rotating shaft 2 to rotate, the threaded rotating shaft 2 rotates to drive the half-threaded switch 4 to move upwards along the threaded rotating shaft 2, the threaded rotating shaft 2 rotates to drive the weft tube seat 6 to rotate through the belt pulley, the weft tube seat 6 rotates to drive the weft tube to rotate, as the weft 10 on the weft tube sequentially passes through the weft clamp 8 and the yarn guide mechanism 5 to be connected with the weft tube, the weft tube rotates to wind the weft tube 10 to drive the weft tube to rotate, the half-threaded switch 4 moves upwards to drive the yarn guide mechanism 5 to move upwards, the yarn guide mechanism 5 moves upwards, the half-thread switch 4 drives a clutch switch transmission shaft 905 to move upwards, a protrusion 9051 on the clutch switch transmission shaft 905 jacks up a stop block 9061 at one end of a clutch switch handle 906, a pressing block 9062 at the other end of the clutch switch handle 906 presses a handle transmission shaft 907 downwards, a transmission rod 9071 of the handle transmission shaft 907 presses a limiting block 12 of a clutch rotating shaft 9072 downwards, the limiting block 12 presses downwards, a pressing plate 13 at the other end of the clutch rotating shaft 9072 pushes a clutch plate shell 14 to drive a clutch plate 902 to move outwards, the clutch plate 902 and a flywheel 903 are separated, and the flywheel 903 stops rotating; the advantage of this implementation lies in that adopting above-mentioned setting, having realized that single loom installation machine carries the cop winding device, when having solved the cop winding device and damaging and maintaining, need loom whole shutdown, the problem of loss increase, and improved work efficiency.

A preferred structure of the yarn guiding mechanism 5 of this embodiment is, as shown in fig. 1 and fig. 2, the yarn guiding mechanism 5 includes a yarn guide 501, a yarn guiding rod 502, a fixed shaft 503 and a circular rail 504, the circular rail 504 is rotatably connected to the bracket 1, the circular rail 504 can be rotatably connected to the threaded rotating shaft 2 through a belt pulley, a belt or a gear, and a chain, the yarn guide 501 is sleeved on the circular rail 504, and the yarn guide 501 is partially embedded into the half-thread switch 4, the yarn guide 501 can rotate in the half-thread switch 4, the circular rail 504 drives the yarn guide 501 to rotate through friction force, the annular sliding track 505 is disposed on the periphery of the yarn guide 501, the annular sliding track 505 is formed by connecting an upper sliding track and a lower sliding track, preferably, the recessed sliding track is disposed on the periphery of the yarn guide 501 by a machine tool, an anti-release ring is disposed on the exterior of the recessed sliding track along the exterior of the annular sliding track, so, one end of a yarn guide rod 502 is embedded into an annular slide rail 505, one end embedded into the annular slide rail 505 is matched with the inside of the annular slide rail 505, the yarn guide rod 502 can slide along the annular slide rail 505 under the driving of external force, the other end of the yarn guide rod 502 extends towards the direction of a weft tube seat 6, a yarn guide hook 506 is welded or bolted at the position, close to the weft tube seat 6, of the yarn guide rod 502, the yarn guide rod 502 is sleeved on a fixed shaft 503, the yarn guide rod 502 can slide up and down along the fixed shaft 503 under the driving of external force, the fixed shaft 503 is connected with a bracket 1 through welding or bolting, a threaded rotating shaft 2 rotates to drive a circular rail 504 through a conveyor belt, the circular rail 504 rotates to drive a yarn guide 501 to rotate through friction force, the friction force between the circular rail 504 and the yarn guide 501 is larger than the friction force between the yarn guide rod 502 and the annular slide rail 505 and smaller than the transmission force between a half-thread switch 4 and the threaded rotating shaft, the yarn guide rod 502 moves up and down to draw the weft yarn 10 to form up-and-down reciprocating winding on the weft yarn pipe; the advantage of this embodiment is that, with the above arrangement, the weft 10 can be wound up and down on the weft tube in a reciprocating manner, so that the weft 10 can be wound on the weft tube in multiple layers, thereby prolonging the service life of the weft 10 and improving the working efficiency.

The shift lever 3 of this embodiment is preferably configured such that, as shown in fig. 1 and 3, the shift lever 3 includes a main body 301 and "L" shaped joints 302 at both ends, which allows the shift lever 3 to press or release the half-thread switch 4, when the half-thread switch 4 is pressed, the half-thread switch 4 can move upwards along the thread rotating shaft 2 along with the rotation of the thread rotating shaft 2, when the half-thread switch 4 is loosened, the semi-threaded switch 4 can move downwards along the threaded rotating shaft 2 under the driving of external force, a handle is welded at a joint 302 of the gear lever, the handle is arranged to facilitate the rotation of the gear lever 3, a spring 303 at the upper end of the main body 301 is connected with the support 1, the position of the spring 303 is higher than the highest position reached by the upward movement of the semi-threaded switch 4 along the threaded rotating shaft 2, and the gear lever 3 can be prevented from rotating to cause the separation of the semi-threaded switch 4 and the threaded rotating shaft 2 when the gear lever main body 301 tightly presses the semi-threaded switch 4; the advantage of this embodiment lies in that, with the above arrangement, the pressing or separating of the stop lever 3 and the half-thread switch 4 can be conveniently realized, and in the pressing process, the stop lever 3 can be prevented from rotating, and the upward movement of the half-thread switch 4 is realized.

The embodiment of the utility model provides a theory of operation as follows:

when the weft winding device of the loom needs to work, firstly, the half-thread switch 4 is positioned at the lower end of the thread rotating shaft 2, the stop lever 3 is positioned at the fastening station, the half-thread switch 4 is in thread connection with the thread rotating shaft 2, the clutch plate 902 and the flywheel 903 are positioned at the fastening station, the motor is switched on to start rotating, the motor rotates to drive the driving shaft 901 to rotate, the driving shaft 901 rotates to drive the clutch plate 902 and the flywheel 903 to rotate, the flywheel 903 rotates to drive the crown gear 904 to rotate, the crown gear 904 rotates to drive the thread rotating shaft 2 to rotate, the thread rotating shaft 2 rotates to drive the half-thread switch 4 to move upwards along the thread rotating shaft 2, the thread rotating shaft 2 rotates to drive the weft tube seat 6 to rotate through the belt pulley and the conveying belt, the weft tube seat 6 rotates to drive the weft tube to rotate, as the weft 10 on the weft tube sequentially passes through the weft clamp 8 and the, the thread rotating shaft 2 rotates to drive the circular rail 504 to rotate through the belt pulley and the conveyor belt, the circular rail 504 rotates to drive the yarn guide 501 to rotate, the yarn guide 501 rotates to drive the yarn guide rod 502 to move up and down along with the annular slide rail 505, the yarn guide rod 502 moves up and down to drive the weft yarn 10 to complete up-middle-up and down reciprocating motion on a weft tube so that the weft yarn 10 completes multi-level winding on the weft tube, meanwhile, when the yarn guide rod 502 moves up and down in the yarn guide 501, the yarn guide 501 moves up along with the half-thread switch 4, when the weft yarn 10 winds on the upper end of the weft tube, the half-thread switch 4 drives the clutch switch transmission shaft 905 to move up, the protrusion 9051 on the clutch switch transmission shaft 905 jacks up the stopper 9061 at one end of the clutch switch handle 906, meanwhile, the pressing block 9062 at the other end of the clutch switch handle 906 presses the handle transmission shaft 907, the limiting block 12 is pressed downwards, meanwhile, the pressing plate 13 at the other end of the clutch rotating shaft 9072 pushes the clutch plate shell 14 to drive the clutch plate 902 to move outwards, the clutch plate 902 and the flywheel 903 are separated, the flywheel 903 stops rotating, then, a weft bobbin is replaced, then, the gear lever 3 is rotated to separate the gear lever 3 from the half-thread switch 4, under the operation of an operator, the half-thread switch 4 is placed at the lower end of the threaded rotating shaft 2, the gear lever 3 is rotated to enable the gear lever 3 to be in a tightly closed station, the clutch plate 902 and the flywheel 903 are enabled to be in a tightly closed station by rotating the handle 906 of the clutch switch, weft winding is continued, and the operation is repeated in this way, and the purpose of.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.

Claims (7)

1. The utility model provides a loom machine carries cop winding device, includes the loom, its characterized in that: in support (1) that the loom frame links to each other, screw thread pivot (2) and shelves pole (3) vertical respectively and rotate connect in support (1), when half-thread switch (4) are in the tight station, half-thread switch (4) threaded connection screw thread pivot (2), one side that half-thread switch (4) kept away from screw thread pivot (2) with shelves pole (3) looks butt, half-thread switch (4) one end swing joint yarn guide mechanism (5), weft tube socket (6) rotate and connect support (1) and be located one side of yarn guide mechanism (5), weft tube socket (7) are connected support (1) and be located the opposite side of yarn guide mechanism (5), weft anchor clamps (8) are connected support (1) and are located the top of yarn guide mechanism (5), weft (10) on weft tube socket (7) loop through weft anchor clamps (8), Yarn guide mechanism (5) link to each other with weft tube socket (6), half thread switch (4) other end links firmly clutch unit (9) one end, the output shaft of actuating mechanism (11) link to each other in clutch unit (9), the other end of clutch unit (9) is connected screw thread pivot (2), screw thread pivot (2) rotate and connect weft tube socket (6), screw thread pivot (2) rotate and drive half thread switch (4) are along screw thread pivot (2) upward movement.

2. The weft winder on board a loom according to claim 1, characterized in that: yarn guide mechanism (5) include yarn guide (501), yarn guide pole (502), fixed axle (503) and circular track (504), circular track (504) rotate to be connected support (1), yarn guide (501) cup joint on circular track (504), yarn guide (501) periphery is equipped with annular slide rail (505), yarn guide pole (502) one end embedding annular slide rail (505) and along annular slide rail (505) slip, yarn guide pole (502) other end to weft tube seat (6) direction extends and links firmly yarn guide hook (506), yarn guide pole (502) cup joint on fixed axle (503) and along fixed axle (503) slip, fixed axle (503) with support (1) link to each other.

3. The weft winder on board a loom according to claim 2, characterized in that: the annular sliding rail (505) is an invagination type sliding rail which is a large inner part and a small outer part, and the invagination type sliding rail is an upper sliding rail and a lower sliding rail which are connected.

4. The weft winder on board a loom according to claim 2, characterized in that: the thread rotating shaft (2) is rotatably connected with the circular rail (504), and the circular rail (504) drives the yarn guide (501) to rotate through friction force.

5. The weft winder on board a loom according to claim 1, characterized in that: the gear lever (3) comprises a main body (301) and L-shaped joints (302) at two ends, and a spring (303) at the upper end of the main body (301) is connected with the support (1).

6. The weft winder on board a loom according to claim 1, characterized in that: the clutch unit (9) comprises a driving shaft (901), a clutch plate (902), a flywheel (903), a crown gear (904), a clutch switch transmission shaft (905), a clutch switch handle (906) and a handle transmission shaft (907), wherein the driving shaft (901) is rotatably connected with the support (1), the flywheel (903) is rotatably connected with the driving shaft (901) in a sleeved mode, the flywheel (903) is rotatably connected with the crown gear (904), the crown gear (904) is fixedly connected with the threaded rotating shaft (2), one end of the clutch switch transmission shaft (905) is fixedly connected with the half-threaded switch (4), the side wall of the other end of the clutch switch transmission shaft (905) is fixedly connected with a protrusion (9051), the clutch switch handle (906) is rotatably connected with the support (1) and located above the protrusion (9051), and the clutch switch handle (906) comprises a stop block (9061) and a pressing block (9062), the block (9061) corresponds to the protrusion (9051), the pressing block (9062) is fixedly connected with the handle transmission shaft (907), the handle transmission shaft (907) comprises a transmission rod (9071) and a clutch rotating shaft (9072), the clutch rotating shaft (9072) is rotatably connected with the bracket (1), the clutch rotating shaft (9072) comprises a limiting block (12) and a pressing plate (13), the limiting block (12) is positioned below the transmission rod (9071) and corresponds to the transmission rod (9071), the pressure plate (13) extends towards the direction of the clutch plate (902) and exceeds the lowest end of the clutch plate shell (14), the pressure plate (13) is abutted against the clutch plate shell (14), the clutch plate (902) is sleeved on the driving shaft (901) in a sliding way, the clutch plate (902) and the flywheel (903) are coaxially assembled, and the clutch plate (902) is positioned outside the flywheel (903).

7. The weft winder on board a loom according to claim 1, characterized in that: the driving mechanism (11) is a motor, and an output shaft of the motor is rotationally connected with the clutch unit (9).

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