CN116716695B - Yarn guiding device for computerized flat knitting machine and yarn guiding method thereof - Google Patents
Yarn guiding device for computerized flat knitting machine and yarn guiding method thereof Download PDFInfo
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- CN116716695B CN116716695B CN202311005249.7A CN202311005249A CN116716695B CN 116716695 B CN116716695 B CN 116716695B CN 202311005249 A CN202311005249 A CN 202311005249A CN 116716695 B CN116716695 B CN 116716695B
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- 238000009940 knitting Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000009434 installation Methods 0.000 claims description 24
- 230000009471 action Effects 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 230000001960 triggered effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009987 spinning Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/54—Thread guides
- D04B15/56—Thread guides for flat-bed knitting machines
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B15/00—Details of, or auxiliary devices incorporated in, weft knitting machines, restricted to machines of this kind
- D04B15/38—Devices for supplying, feeding, or guiding threads to needles
- D04B15/40—Holders or supports for thread packages
- D04B15/42—Frames for assemblies of two or more reels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Knitting Machines (AREA)
Abstract
The invention relates to the technical field of flat knitting machine spinning, in particular to a yarn guiding device for a computerized flat knitting machine and a yarn guiding method thereof, comprising a yarn cylinder frame fixed at the top end of the computerized flat knitting machine, wherein a plurality of yarn cylinder seats are rotatably arranged on the yarn cylinder frame, and a plurality of driving mechanisms for driving the corresponding yarn cylinder seats to rotate are also arranged on the yarn cylinder frame; the lower surface of the yarn barrel frame is provided with a plurality of yarn guiding mechanisms corresponding to the positions of each yarn barrel seat. According to the invention, the yarn is guided by the yarn guide mechanism, so that the yarn flows in a wave shape, if the yarn cylinder is blocked, the yarn guide mechanism can release more yarns to give sufficient buffering, and when the yarns in the yarn guide mechanism are released to a certain extent, the driving mechanism is started to apply thrust to the yarn cylinder seat, so that the yarn cylinder seat rotates to continuously release the yarns, the condition of yarn breakage is avoided, the smoothness and stability of the computerized flat knitting machine during operation are improved, and the production efficiency and the product quality are ensured.
Description
Technical Field
The invention relates to the technical field of flat knitting machine spinning, in particular to a yarn guiding device for a computerized flat knitting machine and a yarn guiding method thereof.
Background
The computerized flat knitting machine is a double-needle-plate latch needle weft knitting machine, the triangular device of the computerized flat knitting machine is like a group of plane cams, the stitches of knitting needles can enter the channels of the cams, the cams are moved to force the knitting needles to do regular lifting motion in the needle grooves of the needle plate, and yarns can be knitted into knitted fabrics through the actions of needle hooks and needle latches. In the ascending process of the knitting needle, the loop gradually withdraws from the needle hook, opens the needle latch, and withdraws from the needle latch to be hung on the needle rod; in the descending process of the knitting needle, the needle hooks hook the newly laid yarn and pull and bend the newly laid yarn into loops, meanwhile, the original loops are separated from the needle hooks, the new loops pass through the old loops and are connected with the old loops in series, and a plurality of loops formed by knitting are connected with each other to form the knitted fabric.
At present, yarns of the computerized flat knitting machine are automatically paid out, the yarn cylinder is sleeved on the cylinder column, and the yarn cylinder automatically rotates under the pulling force from the needle hook to realize paying out. However, when in actual use, the yarn cylinder is automatically rotated, the yarn cylinder is sometimes clamped, so that the yarn cannot be continuously released, the work at the needle hook is not stopped, the condition that the yarn is stretched out is caused, manual re-threading is needed, the production efficiency is influenced, and the knitting quality is also influenced when serious.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a yarn guiding device for a computerized flat knitting machine and a yarn guiding method thereof, which can effectively solve the problem that yarn is stretched due to the fact that a yarn cylinder is clamped in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the yarn guiding device for the computerized flat knitting machine comprises a yarn barrel frame fixed at the top end of the computerized flat knitting machine, wherein a plurality of yarn barrel seats are rotatably arranged on the yarn barrel frame, and a plurality of driving mechanisms for driving the corresponding yarn barrel seats to rotate are also arranged on the yarn barrel frame;
the yarn guide mechanism comprises an installation box, yarn inlets are formed in the top end and the bottom end of the installation box, two fixed wheels are installed in the installation box and are respectively located at the top and the bottom of the installation box, a plurality of movable wheels located between the two fixed wheels are also installed in the installation box, each movable wheel is connected with an elastic telescopic rod, and one end of each elastic telescopic rod is fixed on the inner wall of the installation box;
the two adjacent movable wheels face opposite directions, the movable wheels enable the paths of yarns to be wavy, one of the movable wheels is internally provided with an electric control switch, the electric control switch is triggered when the elastic telescopic rod is compressed to a specific length, and a driving mechanism at a corresponding position is started when the electric control switch is triggered.
Yarn is guided through the mounting box, yarn is finally guided out from the bottom of the mounting box, the yarn is connected to the needle hook and can be woven, guided yarn is in a wave shape in the mounting box, the movable wheels are elastically mounted through the elastic telescopic rods, if the yarn cylinder seat is also clamped, the yarn can be gradually tightened, each movable wheel is retreated under the pressure of the yarn, the elastic telescopic rods can be shortened, the retreating process of the movable wheels can release yarn with a certain length, the computerized flat knitting machine is given for a certain buffer time, and the yarn cylinder seat can possibly resume rotating in the buffer time. However, if the yarn cylinder and the yarn cylinder seat cannot rotate all the time, the elastic telescopic rod can shrink to be shorter at the moment and trigger the electric control switch to start the driving mechanism, and the driving mechanism works to drive the yarn cylinder seat to rotate, so that the yarns can be normally released. This design not only can guide the yarn steadily to when the condition that the yarn drum seat blocked appears, can provide certain buffering time and buffer length to yarn and flat-bed machine equipment, can initiatively promote yarn drum seat rotation before the yarn is stretched out and make the yarn release, improved the stability of equipment during operation, help guaranteeing production efficiency and product quality.
In the yarn guiding device for the computerized flat knitting machine, the yarn cylinder frame is penetrated and provided with a plurality of yarn penetrating tubes corresponding to the positions of the yarn cylinder seats, and the mounting box is detachably connected with the bottom ends of the yarn penetrating tubes through the buckles.
In the yarn guiding device for the computerized flat knitting machine, the lower surface of the yarn cylinder frame is provided with the contact, the top end of the mounting box is provided with the contact electrode matched with the contact, and the contact electrode is elastically mounted.
In the yarn guiding device for the computerized flat knitting machine, the driving mechanism comprises a driving motor arranged on the lower surface of the yarn barrel frame, a mounting groove is formed in the yarn barrel frame, a driving wheel positioned in the mounting groove is arranged on a driving shaft of the driving motor, a plurality of movable rods are elastically hinged to the circumferential surface of the driving wheel, the movable rods are gradually unfolded under the action of centrifugal force when the driving wheel rotates, a plurality of hit plates are arranged on the outer wall of the yarn barrel seat, and the hit plates are hit by the movable rods when the movable rods are unfolded.
When the driving mechanism works, the driving motor is started, the driving wheel starts to rotate, and as the movable rod is hinged to the driving wheel, when the driving wheel does not rotate, the movable rod is retracted under the action of elasticity and is attached to the outer wall of the driving wheel, when the driving wheel rotates, the movable rod is gradually outwards unfolded under the action of centrifugal force until the movable rod contacts with the hit plate on the yarn cylinder seat to hit the hit plate, the yarn cylinder seat is promoted to rotate, and then yarns are released. The design makes the movable rod on the driving wheel not hinder the rotation of the yarn cylinder seat when the driving mechanism does not work, does not influence the normal release of yarn, and can act on the yarn cylinder seat when the driving mechanism works, thereby being ingenious and convenient.
In the yarn guiding device for the computerized flat knitting machine, the yarn cylinder seat comprises a cylinder column and a rotating plate, the top end and the bottom end of the rotating plate are respectively provided with limiting plates, the two limiting plates are respectively positioned at the top and the bottom of the yarn cylinder frame, the hit plate is arranged on the outer wall of the rotating plate, and a cavity for the hit plate to move is formed in the yarn cylinder frame.
In the yarn guiding device for the computerized flat knitting machine, the miniature generator and the storage battery are further arranged at the back of the mounting box, one of the miniature generator and the storage battery is connected with the rotating shaft on the fixed wheel, the rotating shaft is rotatably arranged on the mounting box, the rotating shaft extends to the outer side of the mounting box and is fixedly connected with the input shaft of the miniature generator, and the storage battery supplies power for the driving motor at the corresponding position.
When the yarn flows, the friction force generated when the yarn and the fixed wheel are in close contact drives the fixed wheel to rotate, so that the micro generator is driven to work, generated current is input into the storage battery to be stored and charged, the current is supplied to the driving motor to work, the electric energy supply to the driving motor can be basically realized, extra power supply is not needed, the space for arranging the circuit is reduced, and the structure is simpler.
In the yarn guiding device for the computerized flat knitting machine, the elastic telescopic rod comprises a main sleeve and a sub rod, the sub rod is connected with the movable wheel, and the electric control switch is arranged in the main sleeve.
In the yarn guiding device for the computerized flat knitting machine, the installation box is of a split type structure, and the front face of the installation box can be opened.
The invention also discloses a yarn guiding method for the computerized flat knitting machine, which is applied to the yarn guiding device and comprises the following steps:
s1: placing the yarn cylinder on a yarn cylinder seat, and leading the thread end to pass through the yarn threading pipe and be led into a yarn guiding mechanism;
s2: sequentially passing the yarns through the fixed wheels at the top and each movable wheel to enable the yarns to be distributed in a wave shape, and finally leading the yarns out through the fixed wheels at the bottom;
s3: when the yarn cylinder and the yarn cylinder seat are clamped, yarns can be gradually straightened, the yarns press the movable wheels to enable the elastic telescopic rods to be compressed, and when the elastic telescopic rods are compressed to a specific length, the driving mechanism is started to enable the yarn cylinder seat to rotate, so that the yarns are restored to be released.
Compared with the prior art, the yarn guiding mechanism guides the yarn to enable the yarn to flow in a wave shape, if the yarn cylinder is clamped, the yarn guiding mechanism can release more yarn to give sufficient buffering, and when the yarn in the yarn guiding mechanism is released to a certain extent, the driving mechanism is started to apply thrust to the yarn cylinder seat, so that the yarn cylinder seat rotates to enable the yarn to continue to be released, the condition of yarn breakage is avoided, the smoothness and stability of the computerized flat knitting machine during automatic work are improved, and the production efficiency and the product quality are guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the bottom structure of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view (partially cut) of A-A of the present invention;
FIG. 5 is a schematic view of the structure of the yarn bobbin base of the present invention;
FIG. 6 is an enlarged view of the structure at B in FIG. 4;
FIG. 7 is a schematic view of the yarn guiding mechanism of the present invention;
FIG. 8 is a top view of the yarn guide mechanism of the present invention;
fig. 9 is a cross-sectional view of C-C in fig. 8.
Reference numerals in the drawings represent respectively: 1. a creel frame; 2. threading a yarn tube; 3. a yarn guiding mechanism; 301. a mounting box; 302. a yarn inlet; 303. a contact electrode; 304. a micro-generator; 305. a storage battery; 306. a fixed wheel; 307. a movable wheel; 308. an elastic telescopic rod; 4. a yarn cylinder seat; 401. a rotating plate; 402. a cylinder column; 403. a hit plate; 5. a drive motor; 6. a driving wheel; 7. a movable rod; 8. and a mounting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Examples: referring to fig. 1 to 9, the invention discloses a yarn guiding device for a computerized flat knitting machine, which comprises a yarn barrel frame 1 fixed at the top end of the computerized flat knitting machine, wherein a plurality of yarn barrel seats 4 are rotatably arranged on the yarn barrel frame 1, the yarn barrel is placed on the yarn barrel seats 4, the yarn barrel seats 4 are also rotatable, in the prior art, the yarn barrel is directly placed on the yarn barrel frame 1, the yarn barrel is pulled to rotate by virtue of yarn, the rotatable yarn barrel seats 4 increase the reliability of the rotation of the yarn barrel, and even if the yarn barrel cannot rotate, the yarn barrel seats can rotate to normally release the yarn. The creel 1 is further provided with a plurality of driving mechanisms for driving the corresponding creel holders 4 to rotate, when the driving mechanisms work, the creel holders 4 can be driven to rotate, and if the creel holders 4 are blocked, the creel holders 4 can be driven to rotate so as to rotate the creel and release yarns.
The lower surface of the yarn bobbin frame 1 is provided with a plurality of yarn guiding mechanisms 3 corresponding to the positions of each yarn bobbin seat 4, each yarn guiding mechanism 3 comprises an installation box 301, the top end and the bottom end of each installation box 301 are respectively provided with a yarn inlet 302, two fixed wheels 306 are arranged in the installation box 301, the two fixed wheels 306 are respectively positioned at the top and the bottom of the installation box 301, the installation box 301 is internally provided with a plurality of movable wheels 307 positioned between the two fixed wheels 306, each movable wheel 307 is connected with an elastic telescopic rod 308, and one end of each elastic telescopic rod 308 is fixed on the inner wall of the installation box 301;
wherein, two adjacent movable wheels 307 face opposite, the movable wheels 307 make the path of the yarn wave, an electric control switch is arranged in one of the elastic telescopic rods 308, when the elastic telescopic rod 308 is compressed to a specific length, the electric control switch is triggered, and when the electric control switch is triggered, a driving mechanism at a corresponding position is started.
Yarn is guided through the mounting box 301, the yarn is finally led out from the bottom of the mounting box 301, the yarn is connected to a needle hook to be woven, the guided yarn is in a wave shape in the mounting box 301, the movable wheels 307 are elastically mounted by the elastic telescopic rods 308, if the yarn cylinder seat 4 is clamped, the yarn can be gradually tightened, the movable wheels 307 are retracted under the pressure of the yarn, the elastic telescopic rods 308 can be shortened, the movable wheels 307 release the yarn with a certain length in the retraction process, the computerized flat knitting machine is given a certain buffer time, and the yarn cylinder seat 4 can possibly resume rotating in the buffer time. However, if the yarn drum and the yarn drum seat 4 cannot rotate at all times, the elastic telescopic rod 308 is contracted to be shorter, and the electric control switch is triggered to start the driving mechanism, and the driving mechanism works to drive the yarn drum seat 4 to rotate, so that the yarn can be normally released. This design not only can guide the yarn steadily to when the condition that yarn drum seat 4 blocked appears, can provide certain buffering time and buffering length to yarn and flat-bed machine equipment, can initiatively promote yarn drum seat 4 rotation before the yarn is strained and make the yarn release, improved the stability of equipment during operation, help guaranteeing production efficiency and product quality.
Referring to fig. 1-2, a plurality of yarn threading tubes 2 corresponding to the positions of each yarn drum seat 4 are arranged on the yarn drum frame 1 in a penetrating manner, and the mounting box 301 is detachably connected with the bottom ends of the yarn threading tubes 2 through buckles. Each installation box 301 is detachable, and the use is more convenient and flexible, and yarns can be introduced into the installation boxes 301 through the yarn threading tube 2 when threading yarns. The manner of snap-on connection between the mounting box 301 and the threading tube 2 is not described in detail in the present invention, and a suitable one of the prior art may be selected for application in the present invention.
Referring to fig. 7 to 9, the lower surface of the creel 1 is provided with contacts, the top end of the mounting box 301 is provided with contact electrodes 303 which are matched with the contacts, and the contact electrodes 303 are elastically mounted, so that the contact electrodes can be stably contacted with the contacts to provide stable connection. The electric control switch and the driving mechanism are simultaneously connected when the mounting box 301 is fixed on the creel stand 1, so that the driving mechanism can stably work when the electric control switch is triggered.
Referring to fig. 2 and 6, the driving mechanism includes a driving motor 5 mounted on the lower surface of the creel 1, a mounting groove 8 is formed in the creel 1, a driving wheel 6 located in the mounting groove 8 is mounted on a driving shaft of the driving motor 5, a plurality of movable rods 7 are elastically hinged on a circumferential surface of the driving wheel 6, the movable rods 7 are gradually unfolded under the action of centrifugal force when the driving wheel 6 rotates, a plurality of hit plates 403 are arranged on the outer wall of the creel seat 4, and the hit plates 403 are hit by the movable rods 7 when the movable rods 7 are unfolded.
When the driving mechanism works, the driving motor 5 is started, the driving wheel 6 starts to rotate, as the movable rod 7 is hinged on the driving wheel 6, when the driving wheel 6 does not rotate, the movable rod 7 is retracted under the action of elasticity and is attached to the outer wall of the driving wheel 6, when the driving wheel 6 rotates, the movable rod 7 is gradually outwards unfolded under the action of centrifugal force until the movable rod contacts with the hit plate 403 on the yarn cylinder seat 4 to hit the hit plate 403, so that the yarn cylinder seat 4 rotates, and the yarn is released. The design makes the movable rod 7 on the driving wheel 6 not hinder the rotation of the yarn cylinder seat 4 when the driving mechanism does not work, does not influence the normal release of yarn, and can act on the yarn cylinder seat 4 when the driving mechanism works, thereby being ingenious and convenient.
Referring to fig. 5, the bobbin seat 4 includes a cylinder 402 and a rotating plate 401, the top and bottom ends of the rotating plate 401 are respectively provided with a limiting plate, the two limiting plates are respectively located at the top and bottom of the bobbin holder 1, the striking plate 403 is mounted on the outer wall of the rotating plate 401, and a chamber for the striking plate 403 to move is provided in the bobbin holder 1. Two limiting plates on the rotating plate 401 are respectively clamped at the top and the bottom of the yarn barrel frame 1, so that the position of the yarn barrel seat 4 can be fixed, the yarn barrel seat is sleeved on the barrel column 402 when the yarn barrel is placed, the yarn barrel is simply limited, and the yarn barrel can rotate.
Referring to fig. 8, the back of the installation box 301 is further installed with a micro generator 304 and a battery 305, one of the fixed wheels 306 is connected with a rotating shaft, the rotating shaft is rotatably installed on the installation box 301, and the rotating shaft extends to the outside of the installation box 301 and is fixedly connected with the input shaft of the micro generator 304, and the battery 305 supplies power to the driving motor 5 at a corresponding position.
When the yarn flows, the fixed wheel 306 can drive the fixed wheel 306 to rotate due to the friction force generated when the fixed wheel 306 is in contact with the yarn, and then the micro-generator 304 is driven to work, generated current is input into the storage battery 305 to be stored and charged, the current is supplied to the driving motor 5 to work, the electric energy supply to the driving motor 5 can be basically realized, additional power supply is not needed, the space for circuit arrangement is reduced, and the structure is simpler.
Referring to fig. 9, the elastic telescopic rod 308 includes a main sleeve and a sub rod connected to the movable wheel 307, and an electric switch is installed in the main sleeve. The spring is arranged in the main sleeve, the sub-rod is ejected out in a natural state, when the movable wheel 307 is pressed, the spring is compressed, and the sub-rod is close to the electric control switch and finally pressed on the electric control switch to enable the electric control switch to be opened so as to enable the driving mechanism to work.
It should be noted that the mounting box 301 is a split structure, and the front surface of the mounting box 301 can be opened. When threading the yarn, opening the mounting box 301 exposes the internal structure, so that the yarn can be more conveniently arranged on each movable wheel 307, and the use is more convenient.
The invention also discloses a yarn guiding method for the computerized flat knitting machine, which is applied to the yarn guiding device and comprises the following steps:
s1: placing the yarn cylinder on a yarn cylinder seat 4, and leading the thread end to pass through the yarn threading tube 2 and be led into a yarn guiding mechanism 3;
s2: sequentially passing the yarn through the fixed wheels 306 at the top and each movable wheel 307 to enable the yarn to be distributed in a wave shape, and finally leading the yarn out through the fixed wheels 306 at the bottom;
s3: when the yarn cylinder and the yarn cylinder seat 4 are clamped, the yarn is gradually straightened, the yarn presses the movable wheel 307 to compress the elastic telescopic rod 308, and when the elastic telescopic rod 308 is compressed to a specific length, the driving mechanism is started to drive the yarn cylinder seat 4 to rotate, so that the yarn is restored to be released.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The yarn guiding device for the computerized flat knitting machine comprises a yarn barrel frame (1) fixed at the top end of the computerized flat knitting machine, and is characterized in that a plurality of yarn barrel seats (4) are rotatably arranged on the yarn barrel frame (1), and a plurality of driving mechanisms for driving the corresponding yarn barrel seats (4) to rotate are also arranged on the yarn barrel frame (1);
the yarn guide device comprises a yarn guide frame (1), wherein a plurality of yarn guide mechanisms (3) corresponding to the positions of each yarn cylinder seat (4) are arranged on the lower surface of the yarn cylinder frame (1), each yarn guide mechanism (3) comprises a mounting box (301), yarn inlets (302) are formed in the top end and the bottom end of each mounting box (301), two fixed wheels (306) are arranged in each mounting box (301), the two fixed wheels (306) are respectively arranged at the top and the bottom of each mounting box (301), a plurality of movable wheels (307) arranged between the two fixed wheels (306) are also arranged in each mounting box (301), each movable wheel (307) is connected with an elastic telescopic rod (308), and one end of each elastic telescopic rod (308) is fixed on the inner wall of each mounting box (301);
the two adjacent movable wheels (307) face opposite directions, the movable wheels (307) enable the paths of yarns to be wavy, an electric control switch is arranged in one elastic telescopic rod (308), when the elastic telescopic rod (308) is compressed to a specific length, the electric control switch is triggered, and when the electric control switch is triggered, a driving mechanism at a corresponding position is started;
the driving mechanism comprises a driving motor (5) arranged on the lower surface of the creel stand (1), an installation groove (8) is formed in the creel stand (1), a driving wheel (6) positioned in the installation groove (8) is arranged on a driving shaft of the driving motor (5), a plurality of movable rods (7) are elastically hinged to the circumferential surface of the driving wheel (6), when the driving wheel (6) rotates, the movable rods (7) are gradually unfolded under the action of centrifugal force, a plurality of hit plates (403) are arranged on the outer wall of the creel stand (4), and when the movable rods (7) are unfolded, the hit plates (403) are hit by the movable rods (7);
the yarn bobbin seat (4) comprises a bobbin column (402) and a rotating plate (401), limiting plates are arranged at the top end and the bottom end of the rotating plate (401), the two limiting plates are respectively arranged at the top and the bottom of the yarn bobbin frame (1), the hit plate (403) is arranged on the outer wall of the rotating plate (401), and a cavity for the hit plate (403) to move is formed in the yarn bobbin frame (1).
2. The yarn guiding device for the computerized flat knitting machine according to claim 1, wherein a plurality of yarn threading tubes (2) corresponding to the positions of each yarn drum seat (4) are arranged on the yarn drum frame (1) in a penetrating mode, and the installation box (301) is detachably connected with the bottom ends of the yarn threading tubes (2) through buckles.
3. The yarn guiding device for the computerized flat knitting machine according to claim 2, wherein a contact is arranged on the lower surface of the yarn bobbin frame (1), a contact electrode (303) matched with the contact is arranged on the top end of the mounting box (301), and the contact electrode (303) is elastically mounted.
4. The yarn guiding device for computerized flat knitting machine according to claim 1, wherein the back of the mounting box (301) is further provided with a micro generator (304) and a storage battery (305), one of the fixed wheels (306) is connected with a rotating shaft, the rotating shaft is rotatably mounted on the mounting box (301), the rotating shaft extends to the outer side of the mounting box (301) and is fixedly connected with an input shaft of the micro generator (304), and the storage battery (305) supplies power to the driving motor (5) at a corresponding position.
5. The yarn guiding device for computerized flat knitting machine according to claim 1, characterized in that the elastic telescopic rod (308) comprises a main sleeve and a sub rod, the sub rod is connected with the movable wheel (307), and the electric control switch is installed in the main sleeve.
6. The yarn guiding device for computerized flat knitting machine according to claim 1, wherein the installation box (301) is of a split structure, and the front surface of the installation box (301) is openable.
7. A yarn guiding method for a computerized flat knitting machine, applied to the yarn guiding device as claimed in any one of claims 1 to 6, characterized by comprising the steps of:
s1: placing a yarn cylinder on a yarn cylinder seat (4), and leading a thread end to pass through a yarn threading tube (2) and be led into a yarn guiding mechanism (3);
s2: sequentially passing the yarn through the fixed wheels (306) at the top and each movable wheel (307) to enable the yarn to be distributed in a wave shape, and finally leading the yarn out through the fixed wheels (306) at the bottom;
s3: when the yarn cylinder is clamped, the yarn can be gradually straightened, the yarn presses the movable wheel (307) to enable the elastic telescopic rod (308) to be compressed, and when the elastic telescopic rod (308) is compressed to a specific length, the driving mechanism is started to enable the yarn cylinder seat (4) to rotate, so that the yarn is restored to be released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311005249.7A CN116716695B (en) | 2023-08-10 | 2023-08-10 | Yarn guiding device for computerized flat knitting machine and yarn guiding method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311005249.7A CN116716695B (en) | 2023-08-10 | 2023-08-10 | Yarn guiding device for computerized flat knitting machine and yarn guiding method thereof |
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| CN116716695A CN116716695A (en) | 2023-09-08 |
| CN116716695B true CN116716695B (en) | 2023-12-19 |
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| CN208604294U (en) * | 2018-07-11 | 2019-03-15 | 泉州市鼎丰针织机械有限公司 | A kind of single side cuts open cloth knitting machine |
| WO2020080997A1 (en) * | 2018-10-18 | 2020-04-23 | Iro Aktiebolag | Bobbin drive unit, yarn feeding arrangement and a holder for holding a bobbin |
| CN211142375U (en) * | 2019-10-08 | 2020-07-31 | 海安腾昱智能科技有限公司 | Tension cover structure of seamless underwear machine |
| CN211199609U (en) * | 2019-11-20 | 2020-08-07 | 唐山雾谷机电设备有限公司 | Yarn storage device of yarn changing device |
| CN216838425U (en) * | 2021-11-19 | 2022-06-28 | 北京方硕复合材料技术有限公司 | Yarn feeding device |
| CN217973583U (en) * | 2021-08-06 | 2022-12-06 | 福建显荣针织设备科技有限公司 | Yarn feeding system for computerized flat knitting machine |
| CN115557320A (en) * | 2022-09-28 | 2023-01-03 | 河北汉光重工有限责任公司 | Full-automatic winding device and method for optical fiber coil manufacturing |
| CN116443652A (en) * | 2023-04-12 | 2023-07-18 | 西安交通大学 | Thermoplastic prepreg tow conveying tension control device with gravity compensation |
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2023
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| CN208604294U (en) * | 2018-07-11 | 2019-03-15 | 泉州市鼎丰针织机械有限公司 | A kind of single side cuts open cloth knitting machine |
| WO2020080997A1 (en) * | 2018-10-18 | 2020-04-23 | Iro Aktiebolag | Bobbin drive unit, yarn feeding arrangement and a holder for holding a bobbin |
| CN211142375U (en) * | 2019-10-08 | 2020-07-31 | 海安腾昱智能科技有限公司 | Tension cover structure of seamless underwear machine |
| CN211199609U (en) * | 2019-11-20 | 2020-08-07 | 唐山雾谷机电设备有限公司 | Yarn storage device of yarn changing device |
| CN217973583U (en) * | 2021-08-06 | 2022-12-06 | 福建显荣针织设备科技有限公司 | Yarn feeding system for computerized flat knitting machine |
| CN216838425U (en) * | 2021-11-19 | 2022-06-28 | 北京方硕复合材料技术有限公司 | Yarn feeding device |
| CN115557320A (en) * | 2022-09-28 | 2023-01-03 | 河北汉光重工有限责任公司 | Full-automatic winding device and method for optical fiber coil manufacturing |
| CN116443652A (en) * | 2023-04-12 | 2023-07-18 | 西安交通大学 | Thermoplastic prepreg tow conveying tension control device with gravity compensation |
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| CN116716695A (en) | 2023-09-08 |
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