Disclosure of Invention
The invention aims to provide a circular knitting machine, which solves the problems that in the prior art, adjustment is troublesome, repeated data measurement is needed, and production time is wasted.
In order to achieve the purpose, the invention adopts the following technical scheme:
a circular knitting machine comprises three support frames which are distributed in a central symmetry manner, a base is arranged between the three support frames, a connecting disc is arranged at the top of the base, a winding mechanism is arranged at the top of the connecting disc, a spreading mechanism which is coaxial with the connecting disc is arranged outside the winding mechanism, a machine head connected with the support frames is arranged outside the spreading mechanism, wherein,
the winding mechanism comprises a winding roller arranged at the top of the connecting disc, one side of the winding roller is provided with a clamping roller rotationally connected with the connecting disc, the bottom of the connecting disc is provided with a transmission mechanism, the transmission mechanism is connected with the winding roller through an adjusting mechanism,
the opening mechanism comprises a top mechanism connected with the support frame, a bottom mechanism connected with the rotating disc is arranged below the top mechanism, and a connecting mechanism is arranged between the top mechanism and the bottom mechanism.
Preferably, the transmission mechanism comprises a rotating motor fixedly connected with the inner wall of the base, a driving shaft is arranged at the output end of the rotating motor, a driven shaft rotatably connected with the connecting disc is arranged on one side of the driving shaft, three groups of speed regulating gears are sleeved on the surfaces of the driving shaft and the driven shaft, and when one group of speed regulating gears is meshed, the other two groups of speed regulating gears are completely separated.
Preferably, the adjusting mechanism comprises a pin shaft fixedly connected with the driven shaft, three slots are formed in the surface of the pin shaft, a sleeve is sleeved on the surface of the pin shaft, a bayonet lock inserted into one of the slots is arranged inside the sleeve, a first reversing gear is arranged at the top of the sleeve, a driving wheel is arranged at the top of the rotating disc, a second reversing gear meshed with the first reversing gear is arranged on one side of the driving wheel, and the driving wheel is connected with the winding roller through a belt.
Preferably, the top mechanism includes the driving motor with support frame fixed connection, the free end fixedly connected with mounting disc of driving motor output shaft, the bottom of mounting disc is rotated and is connected with the top screw rod, the top screw rod is equipped with the left-hand thread, the equal threaded connection in both ends of top screw rod has the top swivel nut, the equal fixedly connected with pull rod in one side of every top swivel nut, the bottom fixedly connected with inner baffle of pull rod, the fixed surface of top screw rod is connected with bevel gear one, the bottom of mounting disc is rotated and is connected with the connecting rod, the fixed surface of connecting rod is connected with bevel gear two that meshes with bevel gear one, the spacing post in right-hand member fixedly connected with.
Preferably, the bottom mechanism comprises a bottom screw rod connected with the connecting disc in a rotating mode, the bottom screw rod is reverse in thread, two ends of the bottom screw rod are connected with a bottom threaded sleeve in a threaded mode, the top of the top threaded sleeve is fixedly connected with an ejector rod, the top of the ejector rod is fixedly connected with an outer baffle, and one end of the bottom screw rod is fixedly connected with a bottom limiting column.
Preferably, the two sides of the bottom threaded sleeve are provided with sliding rails fixedly connected with the connecting disc.
Preferably, coupling mechanism include with support frame fixed connection's casing, one side sliding connection of casing has the slide, the inner wall of slide rotates and is connected with two slide bars, the equal fixedly connected with kicking block of tip of two slide bars, two kicking blocks respectively with the spacing post in top and the spacing post interference fit in bottom, one of them slide bar extends to the outside of slide, the equal fixedly connected with bevel gear three in surface of every slide bar, the inner wall of slide rotates and is connected with the transmission pole, the both ends of transmission pole all are equipped with two bevel gear three-phase engaged bevel gear four.
Preferably, a spring is arranged between the sliding plate and the shell, a limiting shaft is arranged between the sliding plate and the shell, and one side of the limiting shaft is rotatably connected with a limiting block with one end inserted into the sliding plate.
The invention has at least the following beneficial effects:
compared with the prior art, when the large circular knitting machine needs to replace and process different types of cloth, the gear needs to be replaced or the driving wheel and the belt need to be replaced, the disassembly and the installation are troublesome, a large amount of working time is wasted, the scheme directly adjusts the transmission ratio of the speed adjusting gear by pulling the adjusting mechanism, the adjustment is simple, the operation is convenient, and the time is saved; the slide plate is pushed, the slide plate drives the slide rod to slide in the shell, the slide rod drives the ejector block to be respectively inserted into the top limiting post and the bottom limiting post, then the slide rod is rotated, the slide rod drives the bottom limiting post to rotate, the bottom limiting post drives the bottom screw rod to rotate, further the bottom screw sleeve starts to slide, further the outer baffle is driven to move, meanwhile, the rotating rod drives the bevel gear to rotate, the bevel gear drives the bevel gear to rotate, the top screw rod drives the top screw sleeve to slide, thereby driving the inner baffle to synchronously adjust, the machine adjustment is completed, compared with the prior art, when different yarns are replaced, need to twist off the bolt in the interior baffle, after adjusting interior baffle, twist off the bolt of outer baffle again, adjust outer baffle, the fashioned quality of control cloth that opens of outer baffle and interior baffle, so adjust comparatively accurately, above-mentioned mode is adjusted comparatively trouble, need measurement data relapse, extravagant production time, the position of baffle and outer baffle in this scheme uses the synchronous regulation of coupling mechanism, and the regulation mode is comparatively simple, save time.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, a circular knitting machine comprises three support frames 1 which are distributed in a central symmetry manner, a base 2 is arranged between the three support frames 1, a connecting disc 6 is arranged at the top of the base 2, specifically, the connecting disc 6 is rotatably connected with the base 2, a winding mechanism 3 for winding cloth is arranged at the top of the connecting disc 6, a spreading mechanism 4 which is coaxial with the connecting disc 6 and used for spreading the cloth is arranged at the outer side of the winding mechanism 3, a machine head 5 which is connected with the support frames 1 and used for spinning textile threads is arranged at the outer side of the spreading mechanism 4, wherein,
referring to fig. 2, 3 and 4, the winding mechanism 3 includes a winding roller 31 installed on the top of the connecting disc 6 for winding the cloth, a clamping roller 32 rotatably connected to the connecting disc 6 for clamping the cloth is installed on one side of the winding roller 31, a transmission mechanism 30 for driving the device to move is installed on the bottom of the connecting disc 6, the transmission mechanism 30 is connected to the winding roller 31 through an adjusting mechanism 33 for adjusting the speed change,
referring to fig. 2, the spreading mechanism 4 includes a top mechanism 40 connected to the support frame 1 for spreading the inner cloth, a bottom mechanism 41 connected to the rotating disc and used for supporting the outer cloth is provided below the top mechanism 40, and a connecting mechanism 42 for adjusting the cloth device is provided between the top mechanism 40 and the bottom mechanism 41.
Referring to fig. 4, the transmission mechanism 30 includes a rotating electrical machine 301 fixedly connected to the inner wall of the base 2, an output end of the rotating electrical machine 301 is provided with a driving shaft 302, specifically, the driving shaft 302 is fixedly connected to the rotating electrical machine 301, one side of the driving shaft 302 is provided with a driven shaft 303 rotatably connected to the connecting plate 6, three sets of speed-adjusting gears 300 are sleeved on the surfaces of the driving shaft 302 and the driven shaft 303, and when one set of speed-adjusting gears 300 is meshed, the other two sets of speed-adjusting gears 300 are completely separated.
Referring to fig. 5, 6, 10 and 11, the adjusting mechanism 33 includes a pin shaft 336 fixedly connected to the driven shaft 303, three slots 337 are formed in the surface of the pin shaft 336, a sleeve 334 is sleeved on the surface of the pin shaft 336, specifically, the sleeve 334 is slidably connected to the pin shaft 336, a bayonet 335 inserted into one of the slots 337 is disposed inside the sleeve 334, specifically, the bayonet 335 is slidably connected to the slots 337 and the sleeve 334, respectively, a first reversing gear 332 is disposed at the top of the sleeve 334, a driving wheel 330 is disposed at the top of the rotating disc, a second reversing gear 333 engaged with the first reversing gear 332 is disposed at one side of the driving wheel 330, and the driving wheel 330 is connected to the wind-up roller 31 through a belt 331.
Referring to fig. 7, the top mechanism 40 includes a driving motor 400 fixedly connected to the supporting frame 1, a mounting plate 401 is fixedly connected to a free end of an output shaft of the driving motor 400, a top screw 402 is rotatably connected to a bottom of the mounting plate 401, the top screw 402 is provided with a reverse thread, both ends of the top screw 402 are respectively in threaded connection with a top screw sleeve 404, one side of each top screw sleeve 404 is respectively and fixedly connected with a pull rod 408, a bottom of the pull rod 408 is fixedly connected with an inner baffle 409, a first bevel gear 403 is fixedly connected to a surface of the top screw 402, a connecting rod 406 is rotatably connected to a bottom of the mounting plate 401, a second bevel gear 405 engaged with the first bevel gear 403 is fixedly connected to a surface of the connecting rod 406, and a top.
Referring to fig. 8, the bottom mechanism 41 includes a bottom screw 410 rotatably connected to the connecting disc 6, the bottom screw 410 is a reverse screw, both ends of the bottom screw 410 are threadedly connected to a bottom threaded sleeve 411, a top rod 412 is fixedly connected to the top of the top threaded sleeve 404, an outer baffle 413 is fixedly connected to the top of the top rod 412, and a bottom limiting column 414 is fixedly connected to one end of the bottom screw 410.
Referring to fig. 9, the connecting mechanism 42 includes a housing 420 fixedly connected to the supporting frame 1, a sliding plate 425 is slidably connected to one side of the housing 420, two sliding rods 421 are rotatably connected to an inner wall of the sliding plate 425, two top blocks 422 are fixedly connected to end portions of the two sliding rods 421, the two top blocks 422 are respectively in interference fit with the top limiting column 407 and the bottom limiting column 414, one of the two sliding rods 421 extends to an outer side of the sliding plate 425, specifically, the sliding rods 421 are slidably connected to the housing 420, a bevel gear tri 423 is fixedly connected to a surface of each sliding rod 421, a transmission rod 426 is rotatably connected to an inner wall of the sliding plate 425, and bevel gears tetra 424 meshed with the two bevel gears tri 423 are respectively disposed at two ends of.
The scheme has the following working processes:
firstly, before the circular knitting machine needs to work, whether equipment is damaged or not is checked, whether materials are complete or not is checked, the circular knitting machine is started on the premise that the equipment normally runs and the materials are sufficient, yarns enter along a machine head 5, the machine head 5 weaves the yarns to form cylindrical cloth;
secondly, after the yarn enters the machine head 5, the yarn is firstly sleeved on the outer side of the top mechanism 40, the driving motor 400 of the top mechanism 40 rotates, the driving motor 400 drives the mounting disc 401 to rotate, the mounting disc 401 drives the connecting rod 406 to rotate, the connecting rod 406 drives the inner baffle 409 to rotate, the inner baffle 409 blocks the inner wall of the cloth, meanwhile, the driving motor 400 rotates, the rotating motor 301 drives the connecting disc 6 to rotate, the connecting disc 6 drives the ejector rod 412 to rotate, the ejector rod 412 drives the outer baffle 413 to rotate, the outer baffle 413 blocks the outer side of the cloth, and the transmission process of the cloth is completed;
thirdly, when the cloth enters the top of the connecting disc 6, the cloth directly passes through the clamping roller 32, the clamping roller 32 clamps the cloth flat, the clamped cloth is placed on the winding roller 31, the rotating motor 301 drives the driving shaft 302 to rotate, the driving shaft 302 drives the speed regulating gear 300 to rotate, the speed regulating gear 300 drives the driven shaft 303 to rotate, the driven shaft 303 drives the reversing gear one 332 to rotate, the reversing gear one 332 drives the reversing gear two 333 to rotate, the driving wheel 330 drives the winding roller 31 to rotate through the belt 331, the winding roller 31 starts to wind, and winding processing is completed;
fourthly, when the yarns of different types are replaced, the driving motor 400, the rotating motor 301 and the machine head 5 are closed, the cloth and the yarns are taken down, and new yarns are installed again;
fifthly, pulling out the bayonet 335 of the adjusting mechanism 33, pulling the pin 336 to slide in the sleeve 334, the pin 336 driving the speed adjusting gear 300 group to replace the speed adjusting gears 300 with different transmission ratios, (the large gear driving the small gear to rotate when rotating, the linear velocity of the large gear and the small gear being the same, that is, the rotating girth of the large gear and the small gear being the same, the diameter of the large gear multiplied by the number of turns being equal to the diameter of the small gear multiplied by the number of turns, under the same rotating girth, the ratio of the diameter of the large gear to the diameter of the small gear being equal to the reciprocal of the ratio of the number of turns of the large gear to the number of turns of the small gear, and the large gear and the small gear being completely engaged, when one group of gears is pulled to separate, the teeth of the gears of other groups, ) After the adjustment is finished, the bayonet pins 335 are inserted into the corresponding slots 337 again, and the winding speed of the winding roller 31 is adjusted;
sixth, the sliding plate 425 is pushed, the sliding plate 425 drives the sliding rod 421 to slide in the housing 420, the sliding rod 421 drives the top block 422 to be inserted into the top limit post 407 and the bottom limit post 414 respectively, the sliding rod 421 is then rotated, the sliding rod 421 drives the bottom limit post 414 to rotate, the bottom limit post 414 drives the bottom screw 410 to rotate, and then the bottom screw 411 starts to slide, and further drives the outer baffle 413 to move, meanwhile, the rotating rod drives the bevel gear three 423 to rotate, the bevel gear three 423 drives the bevel gear four 424 to rotate, the bevel gear four 424 drives the bevel gear three 423 at the top to rotate, and further drives the sliding rod 421 at the top to rotate, the sliding rod 421 at the top further drives the top limit post 407 to rotate, the connecting rod 406 drives the connecting rod 406 to rotate, the connecting rod 406 drives the bevel gear two 405 to rotate, the bevel gear 405 drives the bevel gear one 403 to rotate, and, thereby driving the inner baffle 409 to be synchronously adjusted and finishing the machine adjustment;
and step seven, repeating the first step to the third step, and processing different yarns.
According to the working process, the following steps are known:
the bayonet 335 of the adjusting mechanism 33 is pulled out, the pin 336 sleeve 334 is pulled to slide, the pin 336 drives the speed regulating gear 300 group to replace the speed regulating gears 300 with different transmission ratios, after the adjustment is finished, the bayonet 335 is inserted into the corresponding slot 337 again, the winding speed of the winding roller 31 is adjusted, compared with the prior art, when the large circular knitting machine needs to replace and process different types of cloth, the gear needs to be replaced or the transmission wheel 330 and the belt 331 need to be replaced, the disassembly and the installation are troublesome, a large amount of working time is wasted, the scheme directly pulls the adjusting mechanism 33 to adjust the transmission ratio of the speed regulating gear 300, the adjustment is simple, the operation is convenient, and the time is saved; pushing the sliding plate 425, the sliding plate 425 driving the sliding rod 421 to slide in the housing 420, the sliding rod 421 driving the top block 422 to insert into the top position-limiting post 407 and the bottom position-limiting post 414, respectively, rotating the sliding rod 421, the sliding rod 421 driving the bottom position-limiting post 414 to rotate, the bottom position-limiting post 414 driving the bottom screw 410 to rotate, and further the bottom screw 411 to start sliding, and further driving the outer baffle 413 to move, and at the same time, the rotating rod driving the bevel gear three 423 to rotate, the bevel gear three 423 driving the bevel gear four 424 driving the bevel gear three 423 at the top to rotate, and further driving the sliding rod 421 at the top to rotate, the sliding rod 421 at the top driving the top position-limiting post 407 to rotate, the top position-limiting post 407 driving the connecting rod 406 to rotate, the connecting rod 406 driving the bevel gear two 405 to rotate, the bevel gear two 405 driving the, thereby baffle 409 synchronous control in driving, machine regulation is accomplished, for among the prior art, when changing different yarns, need to twist off the bolt in the interior baffle 409, adjust interior baffle 409 after, twist off the bolt of outer baffle 413 again, adjust outer baffle 413, the fashioned quality of control cloth that opens of outer baffle 413 and interior baffle 409, so adjust comparatively accurately, it is comparatively troublesome that above-mentioned mode is adjusted, need measurement data relapse, waste production time, the position of baffle 409 and outer baffle 413 in this scheme uses the synchronous regulation of coupling mechanism 42, the regulation mode is comparatively simple, and time is saved.
Further, the two sides of the bottom threaded sleeve 411 are provided with slide rails 415 fixedly connected with the connecting disc 6, and specifically, the slide rails 415 can ensure the sliding stability of the bottom threaded sleeve 411 and facilitate the sliding of the bottom threaded sleeve 411.
Further, be equipped with spring 427 between slide 425 and the casing 420, be equipped with spacing axle 429 between slide 425 and the casing 420, spacing axle 429 one side is rotated and is connected with one end and inserts the outer stopper 428 of slide 425, when slide 425 slides, through taking out stopper 428, the compression of spring 427, the stopper rotates 90 degrees after, the slide 425 is blocked to the stopper, slide 425 drives kicking block 422 and inserts top spacing post 407 and bottom spacing post 414 more stably, and as long as reverse rotation stopper 428, spring 427 rebounds, slide 425 resets, slide 425's operation is more convenient.
In conclusion, the transmission ratio of the speed regulation gear 300 is adjusted directly by pulling the adjusting mechanism 33, the adjustment is simple, the operation is convenient, the time is saved, the positions of the inner baffle 409 and the outer baffle 413 are synchronously adjusted by using the connecting mechanism 42, the adjusting mode is simple, the time is saved, the sliding plate 425 drives the ejector block 422 to be inserted into the top limiting column 407 and the bottom limiting column 414 to be more stable, and the sliding plate 425 is reset as long as the limiting block 428 is rotated reversely, the spring 427 rebounds, and the operation of the sliding plate 425 is more convenient.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.