CN112125063A - Pneumatic splicing device with single-spindle yarn suction nozzle and splicing method thereof - Google Patents
Pneumatic splicing device with single-spindle yarn suction nozzle and splicing method thereof Download PDFInfo
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- CN112125063A CN112125063A CN202011037504.2A CN202011037504A CN112125063A CN 112125063 A CN112125063 A CN 112125063A CN 202011037504 A CN202011037504 A CN 202011037504A CN 112125063 A CN112125063 A CN 112125063A
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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
- B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
- B65H69/061—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing using pneumatic means
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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
- B65H69/06—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing
- B65H69/061—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by splicing using pneumatic means
- B65H69/063—Preparation of the yarn ends
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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
- B65H2553/00—Sensing or detecting means
- B65H2553/80—Arangement of the sensing means
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- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention discloses a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof, and belongs to the technical field of textile splicing equipment. The invention relates to a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof, wherein the pneumatic splicing device comprises a splicing device, the splicing device comprises a base, the base is horizontally placed on a reference plane, and the splicing device is driven by a cylinder; the upper air duct arranged below the twisting device is communicated with a single spindle yarn suction nozzle through a connecting pipe, and the single spindle yarn suction nozzle is fixedly arranged on a wall plate of each spindle through a mounting seat on the single spindle yarn suction nozzle, so that the structure of the twisting trolley is simplified, the risk of clamping the trolley is solved, and the operation is smoother. The yarn holding device is vertically installed on one side of a yarn inlet of the splicing device, the driven rod movably connected with the bottom of the yarn holding device is externally connected with a cylinder I, and all parts are independently controlled through the cylinder, so that the cost is saved, the energy consumption is reduced, and the splicing device is convenient to disassemble and assemble and is convenient to overhaul.
Description
Technical Field
The invention relates to the technical field of textile splicing equipment, in particular to a pneumatic splicing device with a single spindle yarn suction nozzle and a splicing method thereof.
Background
At present, a splicing apparatus is known which has: a guide for assisting the introduction of the thread, a clamping and cutting element for the same thread, a preparation element for the thread end, a withdrawal element for the cutting thread in the direction of the splicing box, and a splicing box made in a casing and equipped with a longitudinal through slot for the introduction and extraction of the thread, inside which one or more compressed air feed holes or nozzles are formed. However, depending on the position of the splice box portion and the nozzle, problems have arisen with the yarns intertwining, thereby affecting splice quality. And the splicing device generally controls splicing operation through a cam, and the cam needs to be driven by a motor, so that the structure is complex, the automation degree is low, and the processing and assembling cost is higher. In addition, the existing splicing trolley is complex in structure and large in size, as shown in fig. 1, after a joint signal is received, the splicing trolley 1 moves to a spindle position needing joint along a track, after the spindle position is reached, a lower air door 31 corresponding to the current spindle position can be automatically opened, a negative pressure pipe 12 of the splicing trolley 1 can be connected with an air suction opening 32 to provide negative pressure for a small suction nozzle 11, and an arrow indicates the air flowing direction. The air door needs to be opened once when the splicing trolley 1 passes through one spindle position, so that the running resistance of the trolley is increased, and the risk of being blocked is also caused; in addition, an air duct and a fan need to be separately provided for the suction nozzle to form negative pressure, so that the distance between the small suction nozzle 11 and the negative pressure pipe 12 is longer, and yarn winding and yarn blocking phenomena are easy to generate.
Disclosure of Invention
1. Technical problem to be solved by the invention
Aiming at the problem that the air door needs to be opened once when the splicing trolley passes through one spindle position in the prior art, so that the running resistance of the trolley is increased, the invention provides a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a pneumatic splicing device with a single spindle yarn suction nozzle comprises a splicing device, wherein the splicing device comprises a base, the base is horizontally placed on a reference plane, and the splicing device is driven by a cylinder; one side of the splicing device is vertically provided with a yarn holding device, the yarn holding device is externally connected with an air cylinder I through a driven rod movably connected with the bottom of the yarn holding device, the air cylinder I is detachably connected with the driven rod through a driving block I, and the air cylinder I is fixedly arranged on the upper surface of the base through an air cylinder seat I; the single spindle yarn suction nozzle is communicated with the upper air duct arranged below the twisting device through a connecting pipe and fixedly mounted on a wall plate of each spindle through a mounting seat on the single spindle yarn suction nozzle.
According to a further technical scheme, an air receiving plate is fixedly mounted on one side of the upper surface of the base, the air receiving plate is vertically arranged, and the inner side surface of the air receiving plate is communicated with a splicer through a vent pipe, so that the whole structure is small in occupied area and convenient to disassemble and assemble; the splicer comprises an upper baffle and a lower baffle which are arranged in parallel up and down, a splicing box is fixedly arranged between the upper baffle and the lower baffle, and a switch is controlled by controlling the splicing box to form high-speed airflow; then, the cylinder I drives the upper scissors and the lower scissors to subtract redundant yarns, and further splicing operation is finished; the upper surface of the air receiving plate is provided with a plurality of groups of air holes.
According to the further technical scheme, a yarn groove I and a yarn groove I are vertically formed in the upper baffle and the lower baffle respectively, the yarn groove I and the yarn groove I are used for placing mutually spliced yarns, and the positioning is accurate; an upper scissors is arranged at the position between the yarn groove I and the yarn groove I, and the upper scissors are detachably mounted on the lower surface of the upper baffle plate, so that redundant yarns in the yarn groove I and the yarn groove I can be cut off conveniently; the upper scissors are externally connected with an air cylinder I through a driving block I, and the air cylinder I is fixedly arranged on the upper surface of the base through an air cylinder seat I; the lower surface of the upper baffle plate can be also detachably provided with an upper yarn clamping device, the upper yarn clamping device is arranged at one side close to the yarn groove I, and the upper yarn clamping device is externally connected with an air cylinder I through a driving block I. When a suction nozzle opening at the front end of the yarn suction nozzle sucks the broken tail yarn and puts the broken tail yarn into a yarn groove I, an air cylinder I drives an upper yarn clamping device to clamp the yarn tail of the broken tail yarn, and then an air cylinder I drives a lower scissors to cut off the broken tail yarn close to one side of the suction nozzle opening, so that the preparation of the broken tail yarn is completed.
According to the further technical scheme, a lower scissors is detachably mounted on the upper surface of the lower baffle plate and is arranged at a position between the yarn groove I and the yarn groove I, so that redundant yarns in the yarn groove I and the yarn groove I can be cut off conveniently; the lower scissors are connected with an external cylinder I through a driving block I; the lower surface of the lower baffle plate can be also detachably provided with a lower yarn clamping device, the lower yarn clamping device is arranged at one side close to the yarn groove I, and the lower yarn clamping device is externally connected with a cylinder I through a driving block I. When a suction nozzle at the front end of the yarn suction nozzle sucks the broken yarn of the bobbin and drives the broken yarn of the bobbin to move upwards to the front side of the splicer, a cylinder I drives a driven rod to drive a yarn holding device to send the broken yarn of the bobbin into a yarn groove I; the lower yarn clamping device is driven by the cylinder I to clamp the yarn tail of the broken yarn of the bobbin, so that the preparation for the broken yarn of the bobbin is completed.
According to a further technical scheme, the single-spindle yarn suction nozzle comprises a suction nozzle elbow, a synchronizing wheel is arranged in the suction nozzle elbow, a synchronizing wheel shaft is coaxially sleeved in the middle of the synchronizing wheel, a bearing is further coaxially sleeved on the synchronizing wheel shaft, and all components are aligned with the axis of the connecting pipe and are detachably mounted on a mounting seat; a driving wheel is further mounted on the same side of the mounting seat and the synchronizing wheel, and a swing cylinder is coaxially and externally connected to the middle of the driving wheel, so that a driving source is provided; synchronous belts are sleeved on the driving wheels and the synchronous wheels in the circumferential direction so as to realize the rotation of the driving wheels and the synchronous wheels in the same direction. The lower part of the suction nozzle elbow is connected with a yarn suction nozzle, and the yarn suction nozzle is fixed on the suction nozzle elbow in a hoop mode, so that the yarn suction nozzle can rotate around the suction nozzle elbow, and the yarn suction nozzle can swing up and down; the outer end of the yarn suction nozzle is provided with a nozzle opening, so that the yarn suction nozzle is communicated with the outside, air is conveniently introduced, and the yarn suction nozzle is communicated with the air door negative pressure air duct to form a negative pressure channel.
According to the further technical scheme, the lower part of the suction nozzle elbow is connected with a yarn suction nozzle, and the outer end of the yarn suction nozzle is provided with a suction nozzle opening; the end part of the suction nozzle opening is communicated with an air inlet, and air is introduced through the other opening, so that the suction force of the yarn suction nozzle is improved, and the yarn suction process of the subsequent process is carried out efficiently.
According to the technical scheme, the upper zero position sensor and the lower zero position sensor are transversely mounted on the mounting seat up and down respectively, transmission is achieved through the swing cylinder, and positioning is achieved through the cooperation of the sensors, so that the swing cylinder is accurate in positioning and simple in adjustment.
A splicing method of a pneumatic splicing device with a single spindle yarn suction nozzle comprises the following steps:
step one, introducing negative pressure: the yarn suction nozzle is arranged at the upper zero position sensor and provides negative pressure through the upper air duct, so that the yarn suction nozzle is communicated with a negative pressure pipe in the upper air duct;
step two, sucking the broken tail yarn: starting a motor on the yarn suction nozzle to enable the yarn suction nozzle to be aligned to a roller yarn outlet above the splicer, and enabling the yarn suction nozzle to start to suck the broken tail yarn;
step three, preparing broken tail yarns: starting a swing air cylinder to drive the driving wheel to rotate in the positive direction, further driving a synchronous wheel to rotate in the same direction through a synchronous belt wound on the swing air cylinder to control a suction nozzle elbow arranged on the swing air cylinder to rotate, further driving a yarn suction nozzle connected to the lower portion of the suction nozzle elbow to move downwards, putting sucked broken tail yarns into a yarn groove I, and then starting the air cylinder I to drive an upper yarn clamping device to clamp yarn tails of the broken tail yarns;
step four, the yarn suction nozzle descends to a lower zero sensor: starting a swing cylinder to drive the driving wheel to rotate in the positive direction, further driving a synchronous wheel to rotate in the same direction through a synchronous belt wound on the driving wheel, so as to control a suction nozzle elbow mounted on the driving wheel to rotate, further driving a yarn suction nozzle connected to the lower portion of the suction nozzle elbow to move downwards to a lower zero position sensor, and enabling the yarn suction nozzle to carry an upper broken tail yarn to move downwards and send the upper broken tail yarn to the inner side of a yarn holding device in front of a splicer;
step five, absorbing broken yarn of the bobbin: the large suction nozzle below the splicer is driven by the cylinder to descend to the cheese suction nozzle and align with the cheese suction nozzle, and then the broken yarns of the bobbin are sucked;
step six, preparing broken yarn of the bobbin: driving the large suction nozzle to move upwards through the air cylinder, lifting the sucked broken bobbin to the front of a yarn groove I, then starting the air cylinder I, and driving the yarn clamping device to clamp the yarn tail of the broken bobbin;
step seven, yarn splicing: starting a control switch of the splicing box to form high-speed airflow; then, the cylinder I is started, the upper scissors and the lower scissors are driven to cut off redundant yarns, and then splicing joint operation is finished;
step eight, returning the yarn suction nozzle to the upper zero position sensor: and starting the swing air cylinder to drive the driving wheel to rotate reversely, and then driving the synchronous wheel to rotate in the same direction through the synchronous belt wound on the swing air cylinder so as to control the suction nozzle elbow arranged on the swing air cylinder to rotate, and further driving the yarn suction nozzle connected with the lower part of the suction nozzle elbow to return to the upper zero position sensor.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the invention relates to a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof, wherein the splicing device comprises a base, the base is horizontally placed on a reference plane, and the splicing device is driven by a cylinder; the yarn gripping device is vertically installed on one side of a yarn inlet of the splicing device, the splicing device is driven by an air cylinder, the yarn gripping device is externally connected with an air cylinder I through a driven rod movably connected to the bottom of the yarn gripping device, the air cylinder I is detachably connected with the driven rod through a driving block I, and the air cylinder I is fixedly installed on the upper surface of a base through an air cylinder seat I and used for driving the yarn gripping device to achieve yarn gripping;
(2) according to the pneumatic splicing device with the single-spindle yarn suction nozzle and the splicing method thereof, the upper air duct arranged below the splicing device is communicated with the single-spindle yarn suction nozzle through the connecting pipe, the single-spindle yarn suction nozzle is fixedly arranged on the wall plate of each spindle through the mounting seat on the single-spindle yarn suction nozzle, and each spindle is provided with the single-spindle yarn suction nozzle, so that the single-spindle yarn suction nozzle does not need to move along with a splicer, the problems that an air door needs to be opened once when a traditional splicing trolley passes through one spindle position, the running resistance of the trolley is increased and the like are solved, and meanwhile the problems that the trolley is blocked and the like are solved, so that the structure of the splicing trolley is simplified, and the running is smoother;
(3) according to the pneumatic splicing device with the single-spindle yarn suction nozzle and the splicing method thereof, the air receiving plate is vertically arranged on the upper surface of the base, and the inner side surface of the air receiving plate is communicated with the splicer through the vent pipe, so that the whole structure occupies a small area and is convenient to disassemble and assemble; the upper surface of the air receiving plate is provided with a plurality of groups of air holes, so that compressed air is introduced into the splicing device to form high-speed airflow, and splicing operation in subsequent processes is facilitated; the splicer comprises an upper baffle and a lower baffle which are arranged in parallel up and down, a yarn groove I and a yarn groove II are vertically formed in the upper baffle and the lower baffle respectively, the yarn groove I and the yarn groove II are used for placing mutually spliced yarns, and the positioning is accurate;
(4) the invention relates to a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof, wherein an upper scissors and a lower scissors are respectively and vertically arranged between a yarn groove I and a yarn groove I, and the upper scissors and the lower scissors are respectively and detachably arranged on the lower surface of an upper baffle and the upper surface of a lower baffle and are driven by a cylinder I; an upper yarn clamping device and a lower yarn clamping device are respectively arranged on one side of the upper scissors and one side of the lower scissors and are driven by a cylinder I, and each part is independently controlled by the cylinder I, so that the cost is saved, the energy consumption is reduced, and the assembly and disassembly are convenient;
(5) the invention relates to a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof, wherein an upper yarn clamping device is detachably mounted on the lower surface of an upper baffle plate, the upper yarn clamping device is arranged at one side close to a yarn groove I, a lower yarn clamping device is detachably mounted on the upper surface of a lower baffle plate, the lower yarn clamping device is arranged at one side close to the yarn groove I, and the upper yarn clamping device and the lower yarn clamping device are externally connected with an air cylinder I through a driving block I; when the suction nozzle mouth sucks the broken yarn of the bobbin and drives the broken yarn of the bobbin to move upwards to the front side of the splicer, the air cylinder I is started, and the driven rod is driven to drive the yarn holding device to send the broken yarn of the bobbin into the yarn groove I; starting the air cylinder I, and driving the lower yarn clamping device to clamp the yarn tail of the broken yarn of the bobbin, thereby completing preparation for the broken yarn of the bobbin; when a suction nozzle opening at the front end of the yarn suction nozzle sucks the broken tail yarn and puts the broken tail yarn into a yarn groove I, an air cylinder I drives an upper yarn clamping device to clamp the yarn tail of the broken tail yarn, and then an air cylinder I drives a lower scissors to cut off the broken tail yarn close to one side of the suction nozzle opening, so that the preparation of the broken tail yarn is finished;
(6) the invention relates to a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof, wherein the single-spindle yarn suction nozzle comprises a suction nozzle elbow, a synchronizing wheel is arranged in the suction nozzle elbow, the middle part of the synchronizing wheel is coaxially sleeved with a synchronizing wheel shaft, a bearing is further coaxially sleeved on the synchronizing wheel shaft, and all components are aligned with the axis of a connecting pipe and are detachably arranged on a mounting seat; a driving wheel is further mounted on the same side of the mounting seat and the synchronizing wheel, and a swing cylinder is coaxially and externally connected to the middle of the driving wheel, so that a driving source is provided to control the nozzle elbow to drive the nozzle on the nozzle elbow to rotate; synchronous belts are sleeved on the driving wheel and the synchronous wheels in the circumferential direction so as to realize that the driving wheel and the synchronous wheels rotate in the same direction;
(7) the invention relates to a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof.A yarn suction nozzle is connected to the lower part of a suction nozzle elbow, and the yarn suction nozzle is fixed on the suction nozzle elbow in a hoop form so as to rotate around the suction nozzle elbow and realize the up-and-down swing of the yarn suction nozzle; the outer end of the yarn suction nozzle is provided with a nozzle opening, so that the yarn suction nozzle is communicated with the outside, air is conveniently introduced, and a negative pressure channel is formed by communicating an upper air door negative pressure air duct;
(8) according to the pneumatic splicing device with the single-spindle yarn suction nozzle and the splicing method thereof, the end part of the opening of the yarn suction nozzle is communicated with the air inlet, and the air inlet is additionally arranged at the other opening, so that the suction force of the yarn suction nozzle is improved, and the yarn suction process of the subsequent process is performed efficiently;
(9) the invention relates to a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof.A mounting seat is respectively and transversely provided with an upper zero-position sensor and a lower zero-position sensor from top to bottom, a swing cylinder is started to drive a driving wheel to rotate forwards or reversely, a synchronous belt wound on the driving wheel drives a synchronous wheel to rotate in the same direction so as to control a suction nozzle elbow arranged on the driving wheel to rotate, the yarn suction nozzle connected with the lower part of the suction nozzle elbow is driven to move downwards or upwards, and a suction nozzle port arranged at the outer end of the yarn suction nozzle is correspondingly driven to move downwards or upwards; the swing cylinder is used for transmission and is matched with the sensor for positioning, so that the swing cylinder is accurate in positioning and simple to adjust; when the yarn suction nozzle fails to reach the lower zero sensor, the single spindle gives an alarm, so that the maintainers can pertinently find the reasons of accidents, the maintenance is smoothly completed, unnecessary downtime is reduced, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a splicing trolley in a working state;
FIG. 2 is a schematic structural diagram of the working state of the pneumatic splicing device with a single spindle yarn suction nozzle of the invention;
FIG. 3 is a schematic structural view of the pneumatic splicing apparatus according to the present invention in an assembled state;
FIG. 4 is a schematic view of the splicing apparatus of the present invention;
FIG. 5 is a structural diagram of the bottom view of FIG. 4;
FIG. 6 is a schematic perspective view of a single spindle suction nozzle according to the present invention;
fig. 7 is a structural diagram of the split state of fig. 6.
In the figure: 1-splicing trolley; 2-an upper air duct; 3-lower air duct; 4-a splicing device; 5-air cylinder; 6-yarn holding device; 7-single spindle yarn suction nozzle; 8-cheese suction nozzle; 9-large suction nozzle; 11-a small suction nozzle; 12-a negative pressure tube; 31-lower damper; 32-an air suction opening; 41-a base; 42-a gas receiving plate; 43-splicer; 44-a vent pipe; 51-cylinder seat I; 52-cylinder seat I; 53-cylinder seat I; 61-a driven rod; 71-suction nozzle elbow; 72-a yarn suction nozzle; 73-a mouthpiece; 74-a drive mechanism; 75-a mounting seat; 76-connecting tube; 77-a swing cylinder; 78-upper null sensor; 79-lower null sensor; 421-a vent hole; 431-upper baffle; 432-lower baffle; 433-splicing box; 434-yarn groove I; 435-yarn groove I; 436-upper yarn gripping device; 437-go scissors; 438-lower yarn gripping device; 439-lower scissors; 511-cylinder I; 512-drive block I; 521-cylinder I; 522-drive block I; 531-cylinder I; 532-drive block I; 731-air inlet; 741-a drive wheel; 742-a synchronizing wheel; 743-synchronizing wheel axle; 744-synchronous belt; 745-bearings.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
Example 1
The pneumatic splicing device with the single-spindle yarn suction nozzle of the embodiment comprises a splicing device 4, as shown in fig. 2-3, wherein the splicing device 4 comprises a base 41, the base 41 is horizontally placed on a reference plane, and the splicing device 4 is driven by a cylinder 5; an air receiving plate 42 is fixedly installed on one side of the upper surface of the base 41, the air receiving plate 42 is vertically arranged, and the inner side surface of the air receiving plate is communicated with a splicer 43 through a vent pipe 44, so that the whole structure is small in occupied area and convenient to disassemble and assemble; one side of the splicer 43 is vertically provided with a yarn holding device 6, the yarn holding device 6 is externally connected with an air cylinder I511 through a driven rod 61 movably connected with the bottom of the yarn holding device 6, the air cylinder I511 is detachably connected with the driven rod 61 through a driving block I512, and the air cylinder I511 is fixedly arranged on the upper surface of the base 41 through an air cylinder seat I51; the upper air duct 2 arranged below the splicer 43 is communicated with a single spindle yarn suction nozzle 7 through a connecting pipe 76, the single spindle yarn suction nozzle 7 is fixedly installed on a wall plate of each spindle through an installation seat 75 on the single spindle yarn suction nozzle, and each spindle is provided with the single spindle yarn suction nozzle 7, so that the single spindle yarn suction nozzle does not need to move along with the splicer 43, the problems that an air door needs to be opened every time when the traditional splicer trolley 1 passes through one spindle position, the running resistance of the trolley is increased, the risks of the trolley being blocked and the like are solved, the structure of the splicer trolley is simplified, and the operation is smoother.
Example 2
The basic structure of the pneumatic splicing device with the single-spindle yarn suction nozzle of the embodiment is the same as that of the embodiment 1, and the difference and the improvement are that: as shown in fig. 3, the splicer 43 includes an upper baffle 431 and a lower baffle 432 which are arranged in parallel from top to bottom, a yarn groove i 434 and a yarn groove ii i 435 are vertically formed on each of the upper baffle 431 and the lower baffle 432, and the yarn grooves i 434 and i 435 are used for placing yarns spliced with each other, and are accurately positioned; as shown in fig. 5, an upper scissors 437 is detachably mounted on the lower surface of the upper baffle 431, and the upper scissors 437 is disposed at a position between the yarn groove i 434 and the yarn groove i 435, so as to cut off the excessive yarns in the yarn grooves i 434 and i 435; the upper scissors 437 is externally connected with a cylinder i 521 through a driving block i 522, and the cylinder i 521 is fixedly mounted on the upper surface of the base 41 through a cylinder seat i 52; the lower surface of the upper baffle 431 is also detachably provided with an upper yarn clamping device 436, the upper yarn clamping device 436 is arranged at a side close to the yarn groove i 435, and the upper yarn clamping device 436 is externally connected with an air cylinder ii 531 through a driving block iii 532. As shown in fig. 4, a lower scissors 439 is detachably mounted on the upper surface of the lower baffle 432, and the lower scissors 439 is disposed at a position between the yarn groove i 434 and the yarn groove i 435, so as to cut off the excess yarns in the yarn groove i 434 and the yarn groove i 435; the lower scissors 439 is connected with an external cylinder I521 through a driving block I522; the upper surface of the lower baffle 432 is also detachably provided with a lower yarn clamping device 438, the lower yarn clamping device 438 is arranged at a side close to the yarn groove i 434, and the lower yarn clamping device 438 is externally connected with an air cylinder i 531 through a driving block i l 532.
In this embodiment, when the suction nozzle port 73 at the front end of the yarn suction nozzle 72 sucks the broken bobbin yarn and drives the broken bobbin yarn to move upward to the front side of the splicer 43, the air cylinder i 511 is opened, and the driven rod 61 is driven to drive the yarn holding device 6 to feed the broken bobbin yarn into the yarn groove i 434; then, the cylinder I is opened I531, and the lower yarn clamping device 438 is driven to clamp the yarn tail of the broken yarn of the bobbin, so that the preparation for the broken yarn of the bobbin is completed. After the suction nozzle 73 sucks the broken tail yarn and puts the broken tail yarn into the yarn groove I435, the air cylinder I531 drives the upper yarn clamping device 436 to clamp the yarn tail of the broken tail yarn, and the air cylinder I521 drives the lower scissors 439 to cut the broken tail yarn close to one side of the suction nozzle, so that the preparation of the broken tail yarn is completed. A splicing box 333 is fixedly arranged between the upper baffle 331 and the lower baffle 332, and a switch is controlled by controlling a splicing box 433 so as to form high-speed airflow; and the air cylinder I521 drives the upper scissors 437 and the lower scissors 439 to subtract the redundant yarn, thereby completing the splicing operation.
Example 3
The basic structure of the pneumatic splicing device with the single-spindle yarn suction nozzle of the embodiment is the same as that of the embodiment 2, and the differences and improvements are that: as shown in fig. 6 to 7, the single spindle yarn suction nozzle 7 includes a nozzle elbow 71, a synchronizing wheel 742 is installed inside the nozzle elbow 71, a synchronizing wheel shaft 743 is coaxially sleeved in the middle of the synchronizing wheel 742, a bearing 745 is further coaxially sleeved on the synchronizing wheel shaft 743, and all components are aligned with the axis of the connecting pipe 76 and are detachably installed on the installation base 75; a driving wheel 741 is further mounted on the same side of the synchronizing wheel 742 on the mounting seat 75, and a swing cylinder 77 is coaxially externally connected to the middle of the driving wheel 741 so as to provide a driving source; the driving wheel 741 and the synchronizing wheel 742 are circumferentially sleeved with a synchronizing belt 744, so that the driving wheel 741 and the synchronizing wheel 742 rotate in the same direction. The lower part of the suction nozzle elbow 71 is connected with a yarn suction nozzle 72, and the yarn suction nozzle 72 is fixed on the suction nozzle elbow 71 in a hoop mode, so that the yarn suction nozzle can rotate around the suction nozzle elbow 71, and the yarn suction nozzle 72 can swing up and down. The outer end of the yarn suction nozzle 72 is provided with a nozzle opening 73, so that the yarn suction nozzle 72 is communicated with the outside, air is conveniently introduced, and a negative pressure air duct communicated with the upper air duct 2 forms a negative pressure channel.
Further, the end of the nozzle opening 73 is communicated with an air inlet 731, and air is introduced through the other opening, so that the suction force of the yarn suction nozzle 72 is improved, and the yarn suction process of the subsequent process is performed efficiently.
Example 4
The basic structure of the pneumatic splicing device with the single-spindle yarn suction nozzle of the embodiment is the same as that of the embodiment 3, and the differences and improvements are that: as shown in fig. 2, the mounting base 75 is provided with an upper zero sensor 78 and a lower zero sensor 79 in the upper and lower directions, and the sensors are required to be matched for positioning through motor transmission, so that the swing cylinder 77 is accurate in positioning and simple to adjust.
In this embodiment, as shown in fig. 6 to 7, the swing cylinder 77 is started to drive the driving wheel 741 to rotate forward or backward, and then the synchronous wheel 742 is driven to rotate in the same direction by the synchronous belt 744 wound thereon, so as to control the nozzle elbow 71 mounted thereon to rotate, and further drive the yarn suction nozzle 72 connected to the lower portion of the nozzle elbow 71 to move downward or upward, and correspondingly drive the nozzle opening 73 provided at the outer end of the yarn suction nozzle 72 to move downward or upward; the swinging cylinder 77 is used for transmission and is matched with a sensor for positioning, so that the swinging cylinder 77 is accurate in positioning and simple to adjust; when the yarn suction nozzle 72 cannot reach the lower zero position sensor 79, the single spindle gives an alarm, so that the maintainers can find the cause of the accident in a targeted manner, the maintenance is smoothly completed, unnecessary downtime is reduced, and the production efficiency is improved.
Example 5
The splicing method of the pneumatic splicing device with the single-spindle yarn suction nozzle of the embodiment has the same basic structure as that of the embodiment 4, and is different and improved in that: the method comprises the following steps:
step one, introducing negative pressure: the yarn suction nozzle 72 is arranged at an upper zero position sensor 78, negative pressure is provided through the upper air duct 2, and the yarn suction nozzle 72 is communicated with a negative pressure pipe in the upper air duct 2;
step two, sucking the broken tail yarn: starting a motor on the yarn suction nozzle 72 to enable the yarn suction nozzle 72 to be aligned with a roller yarn outlet above the splicer 43, and enabling the yarn suction nozzle 72 to start sucking the broken tail yarn;
step three, preparing broken tail yarns: starting a swing air cylinder 77 to drive the driving wheel 741 to rotate in the forward direction, and further drive a synchronous wheel 742 to rotate in the same direction through a synchronous belt 744 wound thereon to control a suction nozzle elbow 71 mounted thereon to rotate, and further drive a yarn suction nozzle 72 connected to the lower part of the suction nozzle elbow 71 to move downwards, and place the sucked broken tail yarn into a yarn groove I435, and then start an air cylinder I531 to drive an upper yarn clamping device 436 to clamp the yarn tail of the broken tail yarn;
step four, the yarn suction nozzle 72 descends to the position of a lower zero sensor 79: starting a swing air cylinder 77 to drive the driving wheel 741 to rotate in the forward direction, and further drive a synchronous wheel 742 to rotate in the same direction through a synchronous belt 744 wound thereon, so as to control a suction nozzle elbow 71 mounted thereon to rotate, and further drive a yarn suction nozzle 72 connected to the lower portion of the suction nozzle elbow 71 to move downwards to a lower zero position sensor 79, wherein the yarn suction nozzle 72 carries an upper broken tail yarn to move downwards and sends the upper broken tail yarn to the inner side of a yarn holding device 6 in front of a splicer 43;
step five, absorbing broken yarn of the bobbin: the large suction nozzle 9 below the splicer 43 is driven by the cylinder to descend to the cheese suction nozzle 8 and align with the cheese suction nozzle 8, and then the bobbin broken yarn is sucked;
step six, preparing broken yarn of the bobbin: then, the large suction nozzle 9 is driven to move upwards by the air cylinder, the sucked bobbin broken yarn is lifted to the front of a yarn groove I434, then an air cylinder I531 is started, and the yarn clamping device 438 is driven to clamp the yarn tail of the bobbin broken yarn;
step seven, yarn splicing: turning on the control switch of the splicing box 433 to form high-speed airflow; then, the cylinder I521 is opened, the upper scissors 437 and the lower scissors 439 are driven to cut off redundant yarns, and then splicing operation is completed;
step eight, returning the yarn suction nozzle 72 to the upper zero position sensor 78: the swing cylinder 77 is activated to drive the driving wheel 741 to rotate in the opposite direction, and then the synchronous wheel 742 is driven to rotate in the same direction by the synchronous belt 744 wound thereon, so as to control the nozzle elbow 71 mounted thereon to rotate, and further drive the yarn suction nozzle 72 connected to the lower portion of the nozzle elbow 71 to return to the upper zero position sensor 78.
In the embodiment, when the yarn suction nozzle 72 cannot reach the lower zero sensor 79, the single spindle gives an alarm, so that a maintainer can find the cause of an accident in a targeted manner, the overhaul is smoothly completed, unnecessary downtime is reduced, and the production efficiency is improved.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a pneumatic splicing device with single spindle inhales yarn mouth which characterized in that: the splicing device (4) comprises a base (41), wherein the base (41) is horizontally placed on a reference plane, and the splicing device (4) is driven by a cylinder (5); one side of the splicing device (4) is vertically provided with a yarn holding device (6), the yarn holding device (6) is externally connected with a cylinder I (511) through a driven rod (61) movably connected with the bottom of the yarn holding device, the cylinder I (511) is detachably connected with the driven rod (61) through a driving block I (512), and the cylinder I (511) is fixedly arranged on the upper surface of a base (41) through a cylinder seat I (51); the upper air duct (2) arranged below the splicing device (4) is communicated with a single spindle yarn suction nozzle (7) through a connecting pipe (76), and the single spindle yarn suction nozzle (7) is fixedly arranged on a wall plate of each spindle through a mounting seat (75) on the single spindle yarn suction nozzle.
2. A pneumatic splicing device with a single-spindle suction nozzle according to claim 1, wherein: an air receiving plate (42) is fixedly installed on one side of the upper surface of the base (41), the air receiving plate (42) is vertically arranged, the inner side surface of the air receiving plate (42) is communicated with a splicer (43) through a vent pipe (44), the splicer (43) comprises an upper baffle (431) and a lower baffle (432) which are vertically arranged in parallel, and a splicing box (433) is fixedly installed between the upper baffle (431) and the lower baffle (432); the upper surface of the air receiving plate (42) is provided with a plurality of groups of vent holes (421).
3. A pneumatic splicing device with a single-spindle suction nozzle according to claim 2, wherein: a yarn groove I (434) and a yarn groove I (435) are vertically formed in the upper baffle plate (431) and the lower baffle plate (432), respectively; an upper scissors (437) is arranged at a position between the yarn groove I (434) and the yarn groove I (435), and the upper scissors (437) are detachably mounted on the lower surface of the upper baffle (431); the upper scissors (437) are externally connected with a cylinder I (521) through a driving block I (522), and the cylinder I (521) is fixedly installed on the upper surface of the base (41) through a cylinder seat I (52).
4. A pneumatic splicing device with a single-spindle suction nozzle according to claim 3, wherein: a lower scissors (439) is detachably mounted on the upper surface of the lower baffle (432), and the lower scissors (439) are arranged between the yarn groove I (434) and the yarn groove I (435); the lower scissors (439) are connected with an external cylinder I (521) through a driving block I (522).
5. A pneumatic splicing device with a single-spindle suction nozzle according to claim 4, wherein: the lower surface of the upper baffle plate (431) is also detachably provided with an upper yarn clamping device (436), and the upper yarn clamping device (436) is arranged at one side close to the yarn groove I (435); the upper yarn clamping device (436) is externally connected with a cylinder I (531) through a driving block I (532), and the cylinder I (531) is fixedly installed on the upper surface of the base (41) through the cylinder seat I (53).
6. A pneumatic splicing device with a single-spindle suction nozzle according to claim 5, wherein: the lower surface of the lower baffle (434) can be also detachably provided with a lower yarn clamping device (438), and the lower yarn clamping device (438) is arranged at one side close to the yarn I slot (434); the lower yarn clamping device (438) is connected with an external cylinder I (531) through a driving block I (532).
7. A pneumatic splicing device with a single-spindle suction nozzle according to claim 1, wherein: the single-spindle yarn suction nozzle (7) comprises a nozzle elbow (71), a synchronizing wheel (742) is arranged in the nozzle elbow (71), a synchronizing wheel shaft (743) is coaxially sleeved in the middle of the synchronizing wheel (742), a bearing (745) is further coaxially sleeved on the synchronizing wheel shaft (743), and all components are aligned with the axis of the connecting pipe (76) and are detachably mounted on the mounting seat (75); a driving wheel (741) is further mounted on the same side of the mounting seat (75) and the synchronizing wheel (742), and a swing cylinder (77) is coaxially and externally connected to the middle of the driving wheel (741); synchronous belts (744) are sleeved on the driving wheel (741) and the synchronous wheel (742) in the circumferential direction.
8. A pneumatic splicing device with a single spindle suction nozzle according to claim 7, wherein: the lower part of the suction nozzle elbow (71) is connected with a yarn suction nozzle (72), and the outer end of the yarn suction nozzle (72) is provided with a suction nozzle opening (73); an air inlet (731) is communicated with the end part of the suction nozzle opening (73).
9. A pneumatic splicing device with a single-spindle suction nozzle according to claim 8, wherein: an upper zero position sensor (78) and a lower zero position sensor (79) are transversely arranged on the upper portion and the lower portion of the mounting seat (75) respectively.
10. A splicing method of a pneumatic splicing device with a single spindle yarn suction nozzle is characterized by comprising the following steps:
step one, introducing negative pressure: the yarn suction nozzle (72) is arranged at the upper zero position sensor (78) and provides negative pressure through the upper air duct (2), so that the yarn suction nozzle (72) is communicated with a negative pressure pipe in the upper air duct (2);
step two, sucking the broken tail yarn: starting a motor on the yarn suction nozzle (72) to enable the yarn suction nozzle (72) to be aligned to a roller yarn outlet above the splicer (43), and enabling the yarn suction nozzle (72) to start sucking the broken tail yarn;
step three, preparing broken tail yarns: starting a swing air cylinder (77) to drive the driving wheel (741) to rotate in the forward direction, further driving a synchronous wheel (742) to rotate in the same direction through a synchronous belt (744) wound on the swing air cylinder to control a suction nozzle elbow (71) mounted on the swing air cylinder to rotate, further driving a yarn suction nozzle (72) connected to the lower portion of the suction nozzle elbow (71) to move downwards, putting sucked broken tail yarns into a yarn groove III (435), and then starting the air cylinder III I (531) to drive an upper yarn clamping device (436) to clamp yarn tails of the broken tail yarns;
fourthly, the yarn suction nozzle (72) descends to a lower zero position sensor (79): starting a swing air cylinder (77) to drive the driving wheel (741) to rotate in the forward direction, further driving a synchronous wheel (742) to rotate in the same direction through a synchronous belt (744) wound on the swing air cylinder, so as to control a suction nozzle elbow (71) mounted on the swing air cylinder to rotate, further driving a yarn suction nozzle (72) connected with the lower portion of the suction nozzle elbow (71) to move downwards to a lower zero position sensor (79), wherein the yarn suction nozzle (72) carries an upper broken tail yarn to move downwards and sends the upper broken tail yarn to the inner side of a yarn holding device (6) in front of a splicer (43);
step five, absorbing broken yarn of the bobbin: the large suction nozzle (9) below the splicer (43) is driven by the cylinder to descend to the cheese suction nozzle (8) and align with the cheese suction nozzle (8), and then the bobbin broken yarn is sucked;
step six, preparing broken yarn of the bobbin: then, the large suction nozzle (9) is driven to move upwards through the air cylinder, the sucked broken bobbin is lifted to the front of a yarn groove I (434), then the air cylinder I (531) is started, and the lower yarn clamping device (438) is driven to clamp the yarn tail of the broken bobbin;
step seven, yarn splicing: turning on a control switch of the splicing box (433) to form high-speed airflow; then, the cylinder I is started (521), the upper scissors (437) and the lower scissors (439) are driven to cut off redundant yarns, and the splicing operation is further completed;
step eight, returning the yarn suction nozzle (72) to the upper zero position sensor (78): and starting a swing air cylinder (77) to drive the driving wheel (741) to rotate reversely, and further driving a synchronous wheel (742) to rotate in the same direction through a synchronous belt (744) wound on the swing air cylinder so as to control a suction nozzle elbow (71) mounted on the swing air cylinder to rotate, and further driving a yarn suction nozzle (72) connected with the lower part of the suction nozzle elbow (71) to return to an upper zero position sensor (78).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011037504.2A CN112125063A (en) | 2020-09-28 | 2020-09-28 | Pneumatic splicing device with single-spindle yarn suction nozzle and splicing method thereof |
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| CN202011037504.2A CN112125063A (en) | 2020-09-28 | 2020-09-28 | Pneumatic splicing device with single-spindle yarn suction nozzle and splicing method thereof |
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| CN112125063A true CN112125063A (en) | 2020-12-25 |
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| CN202011037504.2A Pending CN112125063A (en) | 2020-09-28 | 2020-09-28 | Pneumatic splicing device with single-spindle yarn suction nozzle and splicing method thereof |
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