CN115140619A - Winder capable of automatically changing yarn and tube by cyclic knotting - Google Patents
Winder capable of automatically changing yarn and tube by cyclic knotting Download PDFInfo
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- CN115140619A CN115140619A CN202211081101.7A CN202211081101A CN115140619A CN 115140619 A CN115140619 A CN 115140619A CN 202211081101 A CN202211081101 A CN 202211081101A CN 115140619 A CN115140619 A CN 115140619A
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- Prior art keywords
- yarn
- blank
- knotting
- suction nozzle
- standby
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/08—Automatic end-finding and material-interconnecting arrangements
- B65H67/081—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement
- B65H67/085—Automatic end-finding and material-interconnecting arrangements acting after interruption of the winding process, e.g. yarn breakage, yarn cut or package replacement end-finding at the take-up package, e.g. by suction and reverse package rotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
- B65H69/04—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by knotting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
Abstract
The invention relates to a bobbin winder for automatic yarn changing and automatic bobbin changing during round knotting, which comprises: a frame; a working station, wherein a blank yarn is placed in the working station; a preparation station, wherein standby blank yarns are placed in the preparation station; the yarn head of the standby blank yarn is arranged at a standby yarn negative pressure yarn suction nozzle on the rack; the yarn changing mechanism is connected with the working station and the preparation station and is suitable for switching the working station and the preparation station; a yarn detector adapted to detect whether the blank yarn is on the yarn path; the yarn poking mechanism is suitable for poking the yarn of the standby blank yarn to a yarn path; the knotting mechanism is arranged on the rack in a sliding manner and is suitable for adsorbing yarn heads of the blank yarns or the standby blank yarns and transferring the yarn heads to the tube exchanging mechanism, or adsorbing the yarn heads of the blank yarns or the standby blank yarns and the yarn heads of finished yarns wound on the yarn drum, and knotting the two yarn heads; the automatic yarn and bobbin changing of the bobbin winder can be realized through the device.
Description
Technical Field
The invention relates to the field of spinning, in particular to a bobbin winder for automatic yarn changing and automatic bobbin changing during round knotting.
Background
The traditional bobbin winder needs to manually find yarn ends and manually tie yarns when yarns are broken. When the blank yarn is used up, the blank yarn must be manually replaced, and the end is found and knotted. When the yarn is full, the yarn needs to be manually changed, the upper yarn head is started, each process needs to be manually carried out, the working efficiency is low, and time and labor are consumed;
in conclusion, how to realize the automatic yarn and bobbin changing of the bobbin winder becomes a problem which needs to be solved urgently by researchers in the field.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to realize the automatic yarn and tube changing of the bobbin winder;
in order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention relates to a bobbin winder for automatic yarn and tube replacement by cyclic knotting, which comprises: a frame; a working station, wherein a blank yarn is placed in the working station; a preparation station, wherein standby blank yarns are placed in the preparation station; the yarn head of the standby blank yarn is arranged at a standby yarn negative pressure yarn suction nozzle on the rack; the yarn changing mechanism is connected with the working station and the preparation station and is suitable for switching the working station and the preparation station; a yarn detector adapted to detect whether the blank yarn is on the yarn path; the yarn poking mechanism is suitable for poking the yarn of the standby blank yarn to a yarn path; the knotting mechanism is arranged on the rack in a sliding manner and is suitable for adsorbing yarn heads of the blank yarns or the standby blank yarns and transferring the yarn heads to the tube exchanging mechanism, or adsorbing the yarn heads of the blank yarns or the standby blank yarns and the yarn heads of finished yarns wound on the yarn drum, and knotting the two yarn heads; the yarn cylinder is arranged on the frame through the connection of the tube changing structure.
In the scheme, a worker places a blank yarn on a working station, places a standby blank yarn on a preparation station, finds out a yarn head of the standby blank yarn and places the yarn head at a standby yarn negative pressure yarn suction nozzle;
before starting up, if the blank yarn is not broken under the detection of the yarn detector, the knotting mechanism absorbs the yarn head on the blank yarn, the yarn clamping cylinder of the tube changing mechanism extends out, the yarn clamping air fingers clamp the yarn sucked out by the small suction nozzle, the yarn clamping cylinder pulls upwards, the tube changing mechanism changes the tube to clamp the yarn, and the machine is started up automatically;
before starting up, if the blank yarn is broken under the detection of a yarn detector, the yarn changing mechanism switches the working station and the preparation station, the yarn poking mechanism pokes the yarn head of the spare blank yarn at the spare yarn negative pressure yarn suction nozzle into a yarn path, the knotting mechanism sucks the yarn head of the spare blank yarn, the spare yarn blank at the moment is switched from the preparation station to the working station, a yarn clamping cylinder of the tube changing mechanism stretches out, a yarn clamping air finger clamps the yarn sucked out by a small suction nozzle, the yarn clamping cylinder pulls up, the tube changing mechanism changes tubes to clamp the yarn, and the automatic starting up is realized;
in the working process, when the blank yarn is broken due to the quality problems of weak knot and the like of the blank yarn, the yarn detector detects whether the yarn is broken in a yarn path; when no yarn exists in the yarn path, the yarn changing mechanism switches the working station and the preparation station, the yarn poking mechanism pokes the yarn head of the standby blank yarn positioned at the standby yarn negative pressure yarn suction nozzle into the yarn path, the knotting mechanism sucks the yarn head of the standby blank yarn, the knotting mechanism sucks the yarn head of the finished yarn on the wound yarn feeding drum, the yarn head of the standby blank yarn and the yarn head of the finished yarn enter the knotter to be knotted, and then the device continues to work; when yarns exist in the yarn path, the switching work and the preparation work are not needed, the knotting mechanism sucks the yarn head of the finished yarn on the yarn blank drum in a winding mode, the knotting mechanism sucks the yarn head of the finished yarn on the yarn blank drum, the yarn head of the yarn blank and the yarn head of the finished yarn enter the knotter to be knotted, and then the knotting device continues to work.
In order to explain the concrete structure of the knotting mechanism, the knotting mechanism adopted by the invention comprises: the bottom of the base is provided with a moving assembly; a base plate vertically disposed on the base; the large suction nozzle pipe is driven by a first motor to rotate and arranged on the substrate; the small suction nozzle pipe is arranged below the large suction nozzle pipe and is driven by a second motor to be rotationally arranged on the substrate; the knotter is arranged on the base plate and is positioned between the large suction nozzle pipe and the small suction nozzle pipe; the negative pressure ports are respectively arranged at the end parts of the large suction nozzle pipe and the small suction nozzle pipe; the negative pressure generator is suitable for extracting the gas of the large suction nozzle pipe and the small suction nozzle pipe;
in the scheme, the base is driven by the moving assembly to translate relative to the rack, the base plate is provided with the large suction nozzle pipe, the knotter and the small suction nozzle pipe from top to bottom, and the first motor drives the large suction nozzle pipe to rotate clockwise or anticlockwise; similarly, the second motor drives the small suction nozzle pipe to rotate clockwise or anticlockwise; the negative pressure generator provides power for sucking the yarn head for the large suction nozzle pipe and the small suction nozzle pipe; specifically, the small suction nozzle pipe is suitable for sucking a yarn head of the blank yarn or the standby blank yarn through the negative pressure port, and moving the yarn head to the upper part of the knotter or exchanging the yarn head to a pipe exchange mechanism; the large suction nozzle pipe is suitable for sucking the yarn head of the yarn barrel through the negative pressure port, the yarn head is moved to the lower side of the knotter, and the two yarns are knotted at the overlapping position of the two yarns through the knotter.
In order to explain the concrete structure of the moving assembly, the invention adopts the moving assembly comprising: the sliding block is arranged at the bottom of the base and is in sliding fit with the sliding rail on the rack; the motor is arranged on the base, and the output end of the motor penetrates through the base to be connected with a gear; the gear is connected with the rack on the rack in a matching way;
the motor drives the gear to rotate along the rack, and the sliding block moves along the sliding rail, so that the base moves linearly along the rack; specifically, when a certain spindle is broken and the yarn detector detects that yarns exist in a yarn path, the system can automatically distribute a knotting mechanism task, the knotting mechanism moves to a designated spindle position to start the knotting task, and the spindle is automatically started to continue working after knotting is completed; when a certain spindle is broken and the yarn detector detects that no yarn exists in a yarn path, the yarn changing mechanism can automatically switch standby yarn to a working station, the yarn detector can detect the yarn path again at the moment, when yarn exists in the yarn path, the system can automatically distribute a knotting mechanism task, the knotting mechanism moves to a designated spindle position and starts a knotting task, and the spindle is automatically started to continue working after the knotting is finished.
In order to explain the concrete structure of the tube replacing mechanism, the invention adopts the tube replacing mechanism comprising: one end of the cradle is hinged to the top of the rack, and the other end of the cradle is connected with the yarn drum; and one end of the driving mechanism is hinged with the cradle, the other end of the driving mechanism is hinged with the rack, and the driving mechanism is suitable for driving the cradle to swing and enabling the yarn barrel to be abutted against or separated from the rotating grooved drum on the rack.
In the scheme, the cradle rotates relative to the rack under the drive of the driving mechanism, a yarn drum at the end part is abutted against a rotating groove drum, the groove drum rotates through a motor, the rotation of the yarn drum is driven through friction, and the winding of the yarn drum on the yarn is realized;
when the cradle is driven by the driving mechanism to separate the yarn drum from the grooved drum, the yarn drum is convenient to replace the bobbin after winding is completed or the yarn end of the finished yarn is handed to the knotting mechanism for adsorption.
In order to explain the specific structure of the driving mechanism, the present invention adopts a driving mechanism comprising: the bottom of the outer sleeve is fixedly provided with a lower cover, and the top of the outer sleeve is provided with a top cover; the piston rod is sleeved with a piston which is hermetically connected with the outer sleeve, and the top of the piston rod penetrates through the top cover; the ball head is respectively and rotatably arranged at the tops of the lower cover and the piston rod; the top wall of the outer sleeve is provided with an annular groove; the second piston is movably arranged in the annular groove and is in sealing connection with the annular groove; the top of the inner wall of the second piston is provided with an oblique conical surface; a plurality of steel balls are arranged between the outer wall of the piston rod and the oblique conical surface; the baffle is horizontally arranged on the tops of the steel balls; the pressing spring is arranged between the baffle plate and the top cover; the first air inlet is formed in the outer sleeve and is used for communicating the piston and the lower cover chamber with the outside; the second air inlet is formed in the outer sleeve and is used for communicating the bottom of the side wall of the annular groove with the outside; a second spring which is abutted against the upper cover is sleeved on the outer wall of the second piston;
the top of the piston rod and the bottom of the lower cover are provided with ball heads which can automatically rotate relative to the piston rod and the lower cover, so that the ball heads are conveniently connected with the cradle and the rack; in the initial state, the hold-down spring and the hold-down spring are expanded and the piston rod is lowered to the bottom.
When the piston works, the electromagnetic valve acts, the first air inlet enters low-pressure air to push the piston to act and push the piston rod to eject; when the piston rod is reset, the electromagnetic valve acts to connect the first air inlet with the atmosphere, and the piston rod falls back and resets under the action of gravity; the contact surface of the steel ball and the piston rod is a plane, and the extension and retraction of the piston rod are not influenced.
When the second piston works, the electromagnetic valve acts, the second air inlet is filled with high-pressure air to push the second piston to act, the contact surface of the second piston and the steel balls is an inclined conical surface and extrudes the steel balls to the piston rod, an inner step of the outer sleeve is arranged below the steel balls, a compression spring arranged through a baffle plate is arranged above the steel balls, and the second piston and the compression spring act together to lock the steel balls and the piston rod to drive the piston rod to act; when the second piston is reset, the electromagnetic valve acts to connect the high-pressure air in the annular groove with the atmosphere, the second piston is reset under the action of the second spring, the inclined conical surface of the second piston is separated from the steel ball, and the steel ball falls back to the inner step of the outer sleeve under the action of the compression spring to complete the reset.
The driving mechanism can lift the cradle to different angles; when the finished yarn wound on the yarn drum is broken, the cradle can immediately brake to prevent the yarn head from being thrown to the side face of the finished yarn during idling, so that the knotting mechanism cannot smoothly suck the yarn head, the driving mechanism works by the second piston, high-pressure gas is introduced into the second air inlet, the stroke of the section is short, and the finished yarn can be directly separated from the grooved drum; when the finished yarn is completely wound and the tube needs to be replaced, the driving mechanism works by the first piston, the stroke of the driving mechanism is long, the finished yarn can be lifted to the highest position, and the tube replacing mechanism can smoothly replace the tube; when the finished yarn is not completely and normally started, the yarn barrel can keep contact with the groove barrel due to gravity, the driving mechanism works through the first piston, and low-pressure air is introduced into the first air inlet at the moment to keep certain lifting force.
In order to explain the concrete structure of the yarn changing mechanism, the invention adopts the yarn changing mechanism comprising: the bottom plate is fixedly connected with the rack; the rotating plate is rotatably arranged on the end face of the bottom plate; a central gear fixed on the bottom plate and located at the center of the rotating plate; the first gears are rotationally symmetrically arranged on the rotating plate by taking the central gear as a rotating center; a second gear rotatably provided on the rotating plate, the second gear being engaged with the first gear and the sun gear; one end of the rotating shaft is fixedly connected with the first gear, and the other end of the rotating shaft is horizontally provided with a placing base for placing the standby blank yarns or the blank yarns; a second driving mechanism adapted to drive rotation of the rotating plate relative to the base plate;
in the scheme, the rotating plate is rotatably arranged on the bottom plate, a central gear is arranged at the center of the rotating plate, the central gear does not rotate along with the rotating plate, the rotating plate rotates through the second driving mechanism, the second gear is respectively meshed with the central gear and the first gear in the rotating process of the rotating plate, and thus, the rotating direction of the second gear is the same as that of the rotating plate, the first gear and the second gear are meshed to enable the rotating directions of the first gear and the rotating plate to be opposite, the positive direction and the negative direction are mutually balanced, the placing base connected with the rotating shaft is guaranteed to be always in a horizontal state, and blank yarns or standby blank yarns can be placed on the placing base; the first gear is provided with at least two gears, namely, a plurality of preparation stations can be arranged on the yarn changing mechanism while one working station is arranged;
when the base is placed on one of them to the base when the base is placed to the base yarn, the second actuating mechanism work this moment, and drive rotor plate clockwise or anticlockwise rotation will be placed to another this moment and the base is placed to original and is placed the base position, realizes preparing the switching of station and work station.
In order to explain a specific structure of the second driving mechanism, the present invention adopts a second driving mechanism including: the worm is rotatably arranged on the bottom plate, and one end of the worm is connected with a driving motor; the worm wheel is rotatably arranged on the bottom plate and is in fit connection with the worm; a transmission shaft connecting the center of the worm wheel and the center of the rotating plate;
in the scheme, the rotation of the rotating plate is realized by adopting a worm gear and worm, and a direct driving mode of the motor can be adopted.
The invention has the beneficial effects that: the invention relates to a bobbin winder capable of realizing automatic yarn changing and bobbin changing by round knotting.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of one side of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic structural view of the knotting mechanism of the present invention;
FIG. 5 is a structural schematic view of another perspective of the knotting mechanism of the present invention;
FIG. 6 is a schematic structural view of the drive mechanism of the present invention;
FIG. 7 is a front view of the drive mechanism of the present invention;
FIG. 8 is a schematic structural view of a second drive mechanism of the present invention;
FIG. 9 is a schematic structural view of a yarn changing mechanism of the present invention;
FIG. 10 is a schematic structural view of another structure of the yarn changer of the present invention;
FIG. 11 is a schematic structural view of another configuration of the yarn changer of the present invention;
in the figure: the automatic yarn feeding device comprises a knotting mechanism 1, a groove drum 3, a yarn drum 4, a cradle 5, a frame 6, a yarn changing mechanism 8, a standby yarn negative pressure yarn suction nozzle 11, a yarn poking mechanism 12, a working station 13, a preparation station 14, a yarn detector 15, a driving mechanism 16, a pipe changing mechanism 17, a second motor 21, a first motor 22, a motor 23, a knotter 24, a large suction nozzle 25, a small suction nozzle 26, a base plate 27, a negative pressure generator 28, a base 29, a pressure port 30, a gear 31, a ball head 41, a lower cover 42, a piston 43, a jacket 44, a piston rod 45, a top cover 46, a second piston 47, a second spring 48, a compression spring 49, a steel ball 50, a first air inlet 51, a second air inlet 52, a base plate 60, a rotating plate 61, a central gear 62, a first gear 63, a second gear 64, a second gear 65, a base 68, a steel ball 68, a worm wheel 68 and a worm wheel 67.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 3, the present invention is a winder for automatic yarn and tube changing in a cyclic knotting, comprising: a frame 6; a working station 13 in which a blank yarn is placed; a preparation station 14 in which a reserve blank yarn is placed; the yarn head of the standby blank yarn is arranged at a standby yarn negative pressure yarn suction nozzle 11 on the frame 6; the yarn changing mechanism 8 is connected with the working station 13 and the preparation station 14 and is suitable for switching the working station 13 and the preparation station 14; a thread detector 15 adapted to detect whether the blank yarn is on the yarn path; a yarn poking mechanism 12, which is suitable for poking the yarn of the standby blank yarn to a yarn path; the knotting mechanism 1 is arranged on the rack 6 in a sliding manner, is suitable for adsorbing yarn heads of the blank yarns or the standby blank yarns and transferring the yarn heads to the tube exchanging mechanism 17, or adsorbing the yarn heads of the blank yarns or the standby blank yarns and the yarn heads of finished yarns wound on the yarn drum 4 in an adsorbing manner, and knotting the two yarn heads; the bobbin 4 is arranged on the frame 6 through the connection of a tube replacing structure.
In the scheme, a worker places a blank yarn on a working station, places a standby blank yarn on a preparation station, finds out a yarn head of the standby blank yarn and places the yarn head at a standby yarn negative pressure yarn suction nozzle;
before starting up, if the blank yarn is not broken under the detection of the yarn detector, the knotting mechanism absorbs the yarn head on the blank yarn, the yarn clamping cylinder of the tube changing mechanism extends out, the yarn clamping air fingers clamp the yarn sucked out by the small suction nozzle, the yarn clamping cylinder pulls upwards, the tube changing mechanism changes the tube to clamp the yarn, and the machine is started up automatically;
before starting, if the billet yarn is broken under the detection of a yarn detector, the yarn changing mechanism switches a working station and a preparation station, the yarn poking mechanism pokes the yarn head of the spare billet yarn positioned at a spare yarn negative pressure yarn suction nozzle into a yarn path, the knotting mechanism sucks the yarn head on the spare billet yarn, the spare yarn billet is switched from the preparation station to the working station, a yarn clamping cylinder of the tube changing mechanism stretches out, a yarn clamping air finger clamps the yarn sucked out by a small suction nozzle, the yarn clamping cylinder pulls upwards, the tube changing mechanism clamps the yarn by a tube, and the automatic starting is realized;
in the working process, when the blank yarn is broken due to the quality problems of weak knot and the like of the blank yarn, the yarn detector detects whether the yarn is broken in a yarn path; when no yarn exists in the yarn path, the yarn changing mechanism switches the working station and the preparation station, the yarn poking mechanism pokes the yarn head of the standby blank yarn positioned at the standby yarn negative pressure yarn suction nozzle into the yarn path, the knotting mechanism sucks the yarn head of the standby blank yarn, the knotting mechanism sucks the yarn head of the finished yarn on the wound yarn drum, the yarn head of the standby blank yarn and the yarn head of the finished yarn enter the knotter to be knotted, and then the device continues to work; when yarns exist in the yarn path, the switching work and the preparation work are not needed, the knotting mechanism sucks the yarn head of the finished yarn on the yarn blank drum in a winding mode, the knotting mechanism sucks the yarn head of the finished yarn on the yarn blank drum, the yarn head of the yarn blank and the yarn head of the finished yarn enter the knotter to be knotted, and then the knotting device continues to work.
As shown in fig. 4 to 5, in order to explain a specific structure of the knotting mechanism, the knotting mechanism of the present invention includes: a base 29 provided with a moving member at the bottom thereof; a base plate 27 vertically disposed on the base 29; a large nozzle pipe 25 rotatably driven by the first motor 22 and provided on the base plate 27; a small nozzle pipe 26 disposed below the large nozzle pipe 25 and rotatably driven by the second motor 21 on the base plate 27; a knotter 24 provided on the base plate 27 and located between the large nozzle tube 25 and the small nozzle tube 26; negative pressure ports 30 respectively provided at the ends of the large nozzle tube 25 and the small nozzle tube 26; a negative pressure generator 28 adapted to extract gas from the large nozzle tube 25, the small nozzle tube 26;
in the scheme, the base is driven by the moving assembly to translate relative to the rack, the base plate is provided with the large suction nozzle pipe, the knotter and the small suction nozzle pipe from top to bottom, and the first motor drives the large suction nozzle pipe to rotate clockwise or anticlockwise; similarly, the second motor drives the small suction nozzle pipe to rotate clockwise or anticlockwise; the negative pressure generator provides power for sucking the yarn head for the large suction nozzle pipe and the small suction nozzle pipe; specifically, the small suction nozzle pipe is suitable for sucking a yarn head of the blank yarn or the standby blank yarn through the negative pressure port, and moving the yarn head to the upper part of the knotter or exchanging the yarn head to a pipe exchange mechanism; the large suction nozzle pipe is suitable for sucking the yarn head of the yarn barrel through the negative pressure port, the yarn head is moved to the lower side of the knotter, and the two yarns are knotted at the overlapping position of the two yarns through the knotter.
As shown in fig. 4 to 5, in order to explain a specific structure of the moving assembly, the present invention employs a moving assembly including: the sliding block is arranged at the bottom of the base 29 and is in sliding fit with the sliding rail on the rack 6; the motor 23 is arranged on the base 29, and the output end of the motor passes through the base 29 and is connected with a gear 31; the gear 31 is connected with a rack on the frame 6 in a matching way;
the motor drives the gear to rotate along the rack, and the sliding block moves along the sliding rail, so that the base moves linearly along the rack; specifically, when a certain spindle is broken and the yarn detector detects that yarn exists in a yarn path, the system can automatically distribute a knotting mechanism task, the knotting mechanism moves to a designated spindle position to start the knotting task, and the spindle is automatically started to continue working after knotting is completed; when yarn breakage occurs to a certain spindle and the yarn detector detects that no yarn exists in a yarn path, the yarn changing mechanism can automatically switch standby yarn to a working station, the yarn detector can detect the yarn path again at the moment, when yarn exists in the yarn path, the system can automatically distribute a knotting mechanism task, the knotting mechanism moves to a designated spindle position to start a knotting task, and the spindle is automatically started to continue to work after knotting is completed;
compared with the traditional mode that the number of the spindles is consistent with the number of the knotting structures, the mechanism greatly saves the input cost, and can serve the spindles through one knotting structure.
As shown in fig. 1, 6 and 7, in order to explain the specific structure of the tube replacing mechanism, the tube replacing mechanism adopted by the invention comprises: one end of the cradle 5 is hinged to the top of the frame 6, and the other end of the cradle is connected with the yarn barrel 4; and one end of the driving mechanism 16 is hinged with the cradle 5, the other end of the driving mechanism 16 is hinged with the rack 6, and the driving mechanism 16 is suitable for driving the cradle 5 to swing and enabling the yarn cylinder 4 to be abutted against or separated from the grooved drum 3 rotating on the rack 6.
In the scheme, the cradle is driven by the driving mechanism to rotate relative to the rack, when a yarn drum at the end part is abutted against a rotating groove drum, the groove drum rotates through the motor, the yarn drum is driven to rotate through friction, and winding of the yarn drum on the yarn is realized;
when the cradle is driven by the driving mechanism to separate the yarn drum from the grooved drum, the yarn drum is convenient to replace the bobbin after winding is completed or the yarn end of the finished yarn is handed to the knotting mechanism for adsorption.
As shown in fig. 6 and 7, in order to explain the specific structure of the driving mechanism, the driving mechanism of the present invention includes: an outer sleeve 44, the bottom of which is fixedly provided with a lower cover 42, and the top of which is provided with a top cover 46; a piston rod 45, on which a piston 43 is sleeved and hermetically connected with the outer sleeve 44, and the top of the piston rod 45 passes through a top cover 46; the ball head 41 is respectively and rotatably arranged at the tops of the lower cover 42 and the piston rod 45; the top wall of the outer sleeve 44 is provided with an annular groove; a second piston 47 movably disposed in the annular groove and hermetically connected to the annular groove; the top of the inner wall of the second piston 47 is provided with an oblique conical surface; a plurality of steel balls 50 are arranged between the outer wall of the piston rod 45 and the oblique conical surface; a baffle plate horizontally arranged on the tops of the plurality of steel balls 50; a hold-down spring 49 disposed between the flapper and the top cap 46; a first air inlet 51 opened in the outer casing 44 and communicating the chambers of the piston 43 and the lower cover 42 with the outside; a second air inlet 52 provided in the outer casing 44 and communicating the bottom of the annular groove side wall with the outside; a second spring 48 which is pressed against the upper cover 46 is sleeved on the outer wall of the second piston 47;
the top of the piston rod and the bottom of the lower cover are both provided with a ball head, and the ball head can automatically rotate relative to the piston rod and the lower cover, so that the ball head is conveniently connected with the cradle and the rack; in the initial state, the hold-down spring 49 and the hold-down spring 49 are expanded, and the piston rod 45 is lowered to the bottom.
When the piston works, the electromagnetic valve acts, the first air inlet enters low-pressure air to push the piston to act and push the piston rod to eject; when the piston rod is reset, the electromagnetic valve acts to connect the first air inlet with the atmosphere, and the piston rod falls back under the action of gravity to reset; the contact surface of the steel ball and the piston rod is a plane, and the extension and retraction of the piston rod are not influenced.
When the second piston works, the electromagnetic valve acts, the second air inlet is filled with high-pressure air to push the second piston to act, the contact surface of the second piston and the steel balls is an inclined conical surface and extrudes the steel balls to the piston rod, an inner step of the outer sleeve is arranged below the steel balls, a compression spring arranged through a baffle plate is arranged above the steel balls, and the second piston and the compression spring act together to lock the steel balls and the piston rod to drive the piston rod to act; when the second piston is reset, the electromagnetic valve acts to connect the high-pressure air in the annular groove with the atmosphere, the second piston is reset under the action of the second spring, the inclined conical surface of the second piston is separated from the steel ball, and the steel ball falls back to the inner step of the outer sleeve under the action of the compression spring to complete the reset.
In other words, the drive mechanism may lift the cradle to different angles; when the finished yarn wound on the yarn drum is broken, the cradle can immediately brake to prevent the yarn head from being thrown to the side face of the finished yarn during idling, so that the knotting mechanism cannot smoothly suck the yarn head, the driving mechanism works by the second piston, high-pressure gas is introduced into the second air inlet, the stroke of the section is short, and the finished yarn can be directly separated from the grooved drum; when finished yarn is wound and finished and a tube needs to be replaced, the driving mechanism works by the piston, the stroke of the section is long, the finished yarn can be lifted to the highest, and the tube can be replaced smoothly by the tube replacing mechanism; when the finished yarn is not completely and normally started, the yarn barrel can keep contact with the groove barrel due to gravity, the driving mechanism works by the aid of the piston, low-pressure air is introduced into the first air inlet at the moment, and certain lifting force is kept.
As shown in fig. 9, in order to explain the specific structure of the yarn changing mechanism, the yarn changing mechanism adopted by the present invention comprises: a bottom plate 60 fixedly connected to the frame 6; a rotating plate 61 rotatably provided on an end surface of the base plate 60; a sun gear 62 fixed to the base plate 60 and located at the center of the rotating plate 61; a plurality of first gears 63 which are provided on the rotating plate 61 in a rotationally symmetrical manner with the sun gear 62 as a rotation center; a second gear 64 rotatably provided on the rotating plate 61, the second gear 64 meshing with the sun gear 62 and the first gear 63; a rotating shaft 65, one end of which is fixedly connected with the first gear 63, and the other end of which is horizontally provided with a placing base 66 for placing the standby blank yarn or blank yarn; a second driving mechanism adapted to drive rotation of the rotating plate 61 with respect to the base plate 60;
in the scheme, the rotating plate is rotatably arranged on the bottom plate, a central gear is arranged at the center of the rotating plate, the central gear does not rotate along with the rotating plate, the rotating plate rotates through the second driving mechanism, the second gear is respectively meshed with the central gear and the first gear in the rotating process of the rotating plate, and thus, the rotating direction of the second gear is the same as that of the rotating plate, the first gear and the second gear are meshed to enable the rotating directions of the first gear and the rotating plate to be opposite, the positive direction and the negative direction are mutually balanced, the placing base connected with the rotating shaft is guaranteed to be always in a horizontal state, and blank yarns or standby blank yarns can be placed on the placing base; at this time, it needs to be ensured that the tooth ratio of the first gear to the central gear is 1:1; the first gear is provided with at least two gears, namely, a plurality of preparation stations can be arranged on the yarn changing mechanism while one working station is arranged;
when the base is placed on one of them to the base when the base is placed to the base yarn, the second actuating mechanism work this moment, and drive rotor plate clockwise or anticlockwise rotation will be placed to another this moment and the base is placed to original and is placed the base position, realizes preparing the switching of station and work station.
As shown in fig. 8, in order to explain a specific structure of the second driving mechanism, the present invention employs a second driving mechanism including: a worm 67 rotatably provided on the base plate 60, one end of which is connected to a driving motor; a worm wheel 68 rotatably disposed on the base plate 60 and connected with the worm 67 in a fitting manner; a transmission shaft connecting the center of the worm wheel 68 and the center of the rotating plate 61;
as shown in fig. 10, the first gear is provided with three, that is, two preparation stations and one working station.
As shown in fig. 11, the first gear is provided with four, that is, three preparation stations and one working station.
In the scheme, the rotation of the rotating plate is realized by adopting a worm gear and worm, and a direct driving mode of the motor can be adopted.
The invention relates to a bobbin winder capable of realizing automatic yarn changing and bobbin changing by round knotting.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. Automatic yarn and automatic cone winder of trading of tub of making a knot round, its characterized in that includes:
a frame;
a working station, wherein a blank yarn is placed in the working station;
a preparation station, wherein standby blank yarns are placed in the preparation station;
the yarn head of the standby blank yarn is arranged at a standby yarn negative pressure yarn suction nozzle on the rack;
the yarn changing mechanism is connected with the working station and the preparation station and is suitable for switching the working station and the preparation station;
a yarn detector adapted to detect whether the blank yarn is on the yarn path;
the yarn poking mechanism is suitable for poking the yarn of the standby blank yarn to a yarn path;
a knotting mechanism which is arranged on the frame in a sliding way and is suitable for adsorbing the yarn head of the blank yarn or the standby blank yarn and transferring the yarn head to a tube exchanging mechanism,
or adsorbing the yarn head of the blank yarn or the spare blank yarn and the yarn head of the finished yarn wound on the yarn drum, and knotting the two yarn heads;
the yarn cylinder is arranged on the frame through the connection of the tube changing structure.
2. The spooler for automatic yarn and tube exchange for cyclic knotting according to claim 1, wherein the knotting mechanism comprises:
the bottom of the base is provided with a moving assembly;
a base plate vertically disposed on the base;
the large suction nozzle pipe is driven by a first motor to rotate and arranged on the substrate;
the small suction nozzle pipe is arranged below the large suction nozzle pipe and is driven by a second motor to rotate on the substrate;
the knotter is arranged on the base plate and is positioned between the large suction nozzle pipe and the small suction nozzle pipe;
the negative pressure ports are respectively arranged at the end parts of the large suction nozzle pipe and the small suction nozzle pipe;
and the negative pressure generator is suitable for extracting the gas of the large suction nozzle pipe and the small suction nozzle pipe.
3. The spooler for automatic yarn and tube exchange for cyclic knotting according to claim 2, wherein said moving means comprises:
the sliding block is arranged at the bottom of the base and is in sliding fit with the sliding rail on the rack;
the motor is arranged on the base, and the output end of the motor penetrates through the base to be connected with a gear;
the gear is connected with the rack in a matching way.
4. The spooler for automatic yarn exchange and automatic tube exchange for cyclic knotting according to claim 1, wherein said tube exchange mechanism comprises:
one end of the cradle is hinged to the top of the frame, and the other end of the cradle is connected with the yarn barrel;
and one end of the driving mechanism is hinged with the cradle, the other end of the driving mechanism is hinged with the rack, and the driving mechanism is suitable for driving the cradle to swing and enabling the yarn barrel to be abutted against or separated from the rotating grooved drum on the rack.
5. The spooler for automatic yarn and tube exchange for cyclic knotting according to claim 1, wherein said driving mechanism comprises:
the bottom of the outer sleeve is fixedly provided with a lower cover, and the top of the outer sleeve is provided with a top cover;
the piston rod is sleeved with a piston which is hermetically connected with the outer sleeve, and the top of the piston rod penetrates through the top cover;
the ball head is respectively and rotatably arranged on the top of the lower cover and the top of the piston rod;
the first air inlet is formed in the outer sleeve and is used for communicating the piston and the lower cover chamber with the outside;
the top wall of the outer sleeve is provided with an annular groove;
the second piston is movably arranged in the annular groove and is in sealing connection with the annular groove;
the top of the inner wall of the second piston is provided with an oblique conical surface;
a plurality of steel balls are arranged between the outer wall of the piston rod and the oblique conical surface;
the baffle is horizontally arranged on the tops of the steel balls;
a hold-down spring disposed between the baffle and the top cover;
and the second air inlet is formed in the outer sleeve and communicates the bottom of the side wall of the annular groove with the outside.
6. The spooler for automatic yarn and tube replacement for round trip knotting according to claim 5, wherein the outer wall of the second piston is sleeved with a second spring which is abutted against the upper cover.
7. The spooler for automatic yarn change and automatic bobbin exchange for round knot according to claim 1, wherein said yarn change mechanism comprises:
the bottom plate is fixedly connected with the rack;
the rotating plate is rotatably arranged on the end face of the bottom plate;
the central gear is fixed on the bottom plate and is positioned at the center of the rotating plate;
the first gears are arranged on the rotating plate in a rotational symmetry mode by taking the central gear as a center;
the second gear is rotationally arranged on the rotating plate and is respectively meshed with the central gear and the first gear;
one end of the rotating shaft is fixedly connected with the first gear, and the other end of the rotating shaft is horizontally provided with a placing base for placing the standby blank yarn or the blank yarn;
a second drive mechanism adapted to drive rotation of the rotating plate relative to the base plate.
8. The roving automatic yarn and bobbin changer winder according to claim 7, wherein the second driving mechanism comprises:
the worm is rotationally arranged on the bottom plate, and one end of the worm is connected with a driving motor;
the worm wheel is rotationally arranged on the bottom plate and is in fit connection with the worm;
and the transmission shaft is connected with the center of the worm wheel and the center of the rotating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211081101.7A CN115140619A (en) | 2022-09-06 | 2022-09-06 | Winder capable of automatically changing yarn and tube by cyclic knotting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211081101.7A CN115140619A (en) | 2022-09-06 | 2022-09-06 | Winder capable of automatically changing yarn and tube by cyclic knotting |
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| CN115140619A true CN115140619A (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211081101.7A Pending CN115140619A (en) | 2022-09-06 | 2022-09-06 | Winder capable of automatically changing yarn and tube by cyclic knotting |
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| CN (1) | CN115140619A (en) |
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