CN112125063A - Pneumatic splicing device with single-spindle yarn suction nozzle and splicing method - Google Patents

Abstract

The invention discloses a pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method, belonging to the technical field of textile splicing equipment. A pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method of the present invention include a splicing device, the splicing device comprising a base, the base being placed horizontally on a reference plane, and the splicing device Driven by the air cylinder; the upper air duct arranged below the splicing device is connected with the single-spindle yarn suction nozzle through the connecting pipe, and the single-spindle yarn suction nozzle is fixedly installed on the wall plate of each spindle through the mounting seat on it, thereby simplifying the The structure of the splicing trolley is improved, and the risk of the trolley being stuck is solved, making the operation smoother. A yarn holding device is installed vertically on one side of the yarn inlet of the splicing device. The yarn holding device is externally connected with a cylinder Ι through a driven rod movably connected at the bottom of the yarn holding device. Since each part is independently controlled by the cylinder, the cost is saved. The energy consumption is reduced, and the disassembly and assembly are convenient for maintenance.

Description

Pneumatic splicing device with single-spindle yarn suction nozzle and splicing method

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 technique

At present, known splicing devices have: guides to assist the introduction of the thread, clamping and cutting elements for the same thread, preparation elements for the thread ends, for cutting the thread in the direction of the splicing box The retraction element, as well as the splicing box manufactured in the housing and equipped with longitudinal through slots for the introduction and withdrawal of the wire, has one or more compressed air feed holes or nozzles formed in its interior. However, depending on the position of the splicing box part and the nozzle, problems such as intertwining of the yarns have occurred, affecting the quality of the splice. In addition, the splicing device generally controls the splicing operation through a cam. The cam needs to be driven by a motor, so the structure is complex, the degree of automation is not high, and the processing and assembly costs are relatively high. In addition, the existing splicing trolley has a complex structure and a relatively large body. As shown in Figure 1, after receiving the splicing signal, the splicing trolley 1 moves along the track to the position where the splicing is required. The downwind door 31 corresponding to the current spindle position will automatically open, and the negative pressure pipe 12 of the splicing trolley 1 will be connected to the air suction port 32 to provide negative pressure for the small suction nozzle 11. The arrow indicates the direction of air flow. The splicing trolley 1 needs to open the air door every time it passes through a spindle, which increases the resistance of the trolley running, and also has the risk of being stuck; in addition, a separate air duct and fan need to be provided for it to form negative pressure , so that the distance between the small suction nozzle 11 and the negative pressure tube 12 is relatively long, and the phenomenon of yarn winding and yarn jamming is easy to occur.

SUMMARY OF THE INVENTION

1. The technical problem to be solved by the invention

Aiming at the problem in the prior art that the splicing trolley needs to open the air door every time it passes through a spindle position, thereby increasing the resistance of the trolley running, the present invention provides a pneumatic splicing device with a single-spindle yarn suction nozzle and its splicing The method includes a single-spindle yarn suction nozzle, the single-spindle yarn suction nozzle is fixed on each spindle wallboard through a mounting seat thereon, and the single-spindle yarn suction nozzle is communicated with the upper air door negative pressure air duct through a connecting pipe, The distance between the single-spindle yarn suction nozzle and the negative pressure air duct of the upper air door is short, so the phenomenon of yarn jamming is not easy to occur.

2. Technical solutions

In order to achieve the above object, the technical scheme provided by the invention is:

A pneumatic splicing device with a single-spindle yarn suction nozzle includes a splicing device, the splicing device includes a base, the base is placed horizontally on a reference plane, and the splicing device is driven by an air cylinder; A yarn holding device is installed vertically on one side of the connecting device. The yarn holding device is externally connected with a cylinder I through a driven rod movably connected at the bottom of the yarn holding device. The cylinder I and the driven rod are detachably connected through a drive block I. The cylinder 1 is fixedly installed on the upper surface of the base through the cylinder base 1. Since each part is independently controlled by the cylinder, the cost and energy consumption are saved, and the disassembly and assembly are convenient and maintenance is convenient; The single-spindle yarn suction nozzle is connected to the road through the connecting pipe, and the single-spindle yarn suction nozzle is fixedly installed on the wall plate of each spindle through the mounting seat on it. It does not need to move with the splicer, which solves the problem that the traditional splicing trolley needs to open the air door every time it passes through a spindle, which increases the resistance of the trolley to run, and also solves the problem of the trolley being stuck. The structure of the splicing trolley is simplified, making the operation smoother.

In a further technical solution, an air receiving plate is fixedly installed on one side of the upper surface of the base, the air receiving plate is arranged vertically, and the inner side thereof is connected with a splicer through a ventilation pipe, so that the entire structure occupies a small area and is convenient. Disassembly and assembly; the splicer includes an upper baffle and a lower baffle arranged in parallel up and down, a splicing box is fixedly installed between the upper baffle and the lower baffle, and the splicing box is controlled to control the switch to form a high-speed Airflow; then drive the upper scissors and the lower scissors to subtract excess yarn through the cylinder ΙΙ, and then complete the splicing and splicing operation; the upper surface of the air receiving plate is provided with several groups of ventilation holes.

In a further technical solution, the upper baffle and the lower baffle are respectively provided with a yarn groove I and a yarn groove ΙΙ, and the yarn groove I and the yarn groove ΙΙ are used for placing mutually spliced yarns. The upper scissors are provided at the position between the yarn groove I and the yarn groove Ι1, and the upper scissors are detachably installed on the lower surface of the upper baffle plate, so as to facilitate the cutting of the yarn groove I and the excess yarn in the yarn groove ΙΙ; the upper scissors are externally connected with a cylinder ΙΙ through the drive block ΙΙ, and the cylinder ΙΙ is fixedly installed on the upper surface of the base through the cylinder seat ΙΙ; the lower surface of the upper baffle is also The upper yarn clamping device is detachably installed, the upper yarn clamping device is arranged on the side close to the yarn groove ΙΙ, and the upper yarn clamping device is externally connected with a cylinder ΙΙΙ through the drive block ΙΙΙ. When the suction nozzle at the front end of the yarn suction nozzle sucks the upper broken end yarn and puts it into the yarn groove ΙΙ, the upper yarn clamping device is driven by the cylinder ΙΙΙ to clamp the yarn end of the upper broken end yarn, and then driven by the cylinder ΙΙ The scissors will cut the upper broken end yarn near the mouth of the suction nozzle to complete the preparation of the upper broken end yarn.

In a further technical solution, the upper surface of the lower baffle plate is detachably installed with lower scissors, and the lower scissors are arranged between the yarn groove I and the yarn groove Ι1, so as to facilitate cutting the yarn groove Ι and the excess yarn in the yarn groove ΙΙ; the lower scissors are externally connected to the cylinder ΙΙ through the drive block ΙΙ; the lower surface of the lower baffle plate can also be detachably installed with a lower yarn clamping device, and the lower yarn clamping device is arranged at Close to one side of the yarn groove 1, the lower yarn clamping device is externally connected to the cylinder ΙΙΙ through the drive block ΙΙΙ. When the suction nozzle at the front end of the yarn suction nozzle sucks the broken bobbin yarn and drives the broken yarn from the bobbin to the front side of the splicer, the driven rod is driven by the cylinder I to drive the yarn holding device to send the broken bobbin yarn into the yarn. Inside the wire groove Ι; the lower yarn clamping device is driven by the cylinder ΙΙΙ to clamp the yarn end of the broken yarn of the bobbin, so as to complete the preparation of the broken yarn of the bobbin.

In a further technical solution, the single-spindle yarn suction nozzle includes a suction nozzle elbow, and a synchronous wheel is installed inside the suction nozzle elbow, and a synchronous wheel shaft is coaxially sleeved in the middle of the synchronous wheel, and the synchronous wheel shaft is also connected with the same shaft. The shaft sleeve is connected with a bearing, and each component is aligned with the axis of the connecting pipe and can be detachably installed on the mounting seat; a driving wheel is also installed on the same side of the mounting seat and the synchronizing wheel, and the middle part of the driving wheel is coaxially externally connected. The cylinder is swung to provide a driving source; the driving wheel and the synchronous wheel are circumferentially sleeved with a synchronous belt, so that the driving wheel and the synchronous wheel can rotate 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 the form of a hoop, so that it can rotate around the suction nozzle elbow, so as to realize the up and down swing of the suction nozzle; The outer end of the yarn feeder is provided with a suction mouth, so that the yarn suction feeder is connected with the outside world, and it is convenient for air to be introduced to form a negative pressure channel by connecting with the negative pressure air duct of the upper air door.

In a further technical solution, a yarn suction nozzle is connected to the lower part of the elbow of the suction nozzle, and a suction nozzle port is provided at the outer end of the yarn suction nozzle; Air intake, so as to improve the suction force of the yarn suction nozzle, so that the yarn suction process of the subsequent process can be carried out efficiently.

In a further technical solution, an upper zero position sensor and a lower zero position sensor are installed on the upper and lower sides of the mounting base respectively, which are driven by the swing cylinder and positioned with the sensor, so that the swing cylinder can be positioned accurately and adjusted easily.

A splicing method for a pneumatic splicing device with a single-spindle yarn suction nozzle, comprising the following steps:

Step 1. Connect the negative pressure: the yarn suction nozzle is at the upper zero position sensor, and the negative pressure is provided through the upper air duct, so that the yarn suction nozzle is connected with the negative pressure tube in the upper air duct;

Step 2, sucking the upper broken tail yarn: turn on the motor on the yarn suction nozzle, so that the yarn suction nozzle is aligned with the roller yarn outlet above the splicer, and the yarn suction nozzle starts to absorb the upper broken tail yarn;

Step 3. Preparation for the upper broken end yarn: start the swinging cylinder to drive the driving wheel to rotate in the forward direction, and then drive the synchronous wheel to rotate in the same direction through the synchronous belt wound on it, so as to control the rotation of the suction nozzle elbow installed on it. Then drive the yarn suction nozzle connected to the lower part of the suction nozzle elbow to descend, and put the sucked upper broken end yarn into the yarn groove ΙΙ, and then open the cylinder ΙΙΙ to drive the upper yarn clamping device to clamp the upper broken end yarn tail;

Step 4. The yarn suction nozzle goes down to the lower zero position sensor: start the swing cylinder to drive the driving wheel to rotate in the forward direction, and then drive the synchronous wheel to rotate in the same direction through the synchronous belt wound on it, so as to control the suction installed on it. The nozzle elbow rotates, and then drives the yarn suction nozzle connected to the lower part of the suction nozzle elbow to go down to the lower zero position sensor. The yarn suction nozzle carries the upper broken yarn and sends it to the front of the splicer inside of the yarn holding device;

Step 5. Absorb the broken yarn of the bobbin: drive the large suction nozzle under the splicer to go down to the yarn suction nozzle through the cylinder, align the yarn suction nozzle, and then start to absorb the broken yarn of the bobbin;

Step 6. Preparation for bobbin yarn breakage: drive the large suction nozzle upward through the cylinder, lift the sucked bobbin broken yarn to the front of the yarn groove Ι, then open the cylinder ΙΙΙ, drive down the yarn clamping device to clamp the bobbin broken yarn yarn tail;

Step 7. Yarn splicing: turn on the control switch of the splicing box to form a high-speed airflow; then turn on the cylinder ΙΙ, drive the upper scissors and the lower scissors to cut off excess yarn, and then complete the splicing operation;

Step 8. The yarn suction nozzle returns to the upper zero position sensor: start the swinging cylinder to drive the driving wheel to rotate in the opposite direction, and then drive the synchronous wheel to rotate in the same direction through the synchronous belt wound on it to control the suction nozzle installed on it. The elbow rotates, thereby driving the yarn suction nozzle connected to the lower part of the elbow of the suction nozzle to return to the upper zero position sensor.

3. Beneficial effects

Adopting the technical scheme provided by the present invention, compared with the prior art, has the following beneficial effects:

(1) A pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method of the present invention, the splicing device includes a base, the base is placed horizontally on a reference plane, and the splicing device passes through Cylinder drive; a yarn holding device is vertically installed on the side of the yarn inlet of the splicing device, the splicing device is driven by the air cylinder, and the yarn holding device is externally connected with a cylinder I through the driven rod movably connected at the bottom thereof, so the The cylinder I and the driven rod are detachably connected through the drive block I, and the cylinder I is fixedly installed on the upper surface of the base through the cylinder block I, and is used to drive the yarn holding device to achieve yarn wrapping. Since each part is independently controlled by the cylinder, Therefore, the cost is saved, the energy consumption is reduced, and the disassembly and assembly are convenient for maintenance;

(2) A pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method thereof of the present invention, the single-spindle yarn suction nozzle is connected to the upper air duct arranged below the splicing device through a connecting pipe, and the single-spindle yarn suction nozzle is The spindle suction nozzle is fixedly installed on the wall plate of each spindle through the mounting seat on it. Since each spindle is equipped with a separate single-spindle yarn suction nozzle, it does not need to move with the splicer, which solves the traditional splicing. Every time the trolley passes through a spindle, the damper needs to be opened once, which increases the resistance of the trolley to run, and also solves the risk of the trolley being stuck, thereby simplifying the structure of the splicing trolley and making the operation smoother;

(3) A pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method of the present invention, an air receiving plate is vertically installed on the upper surface of the base, and the inner side of the air receiving plate is communicated with a The splicer makes the entire structure occupy a small area and is easy to disassemble; the upper surface of the air receiving plate is provided with several groups of ventilation holes, so that compressed air can be introduced into the splicing device to form a high-speed airflow, which is convenient for subsequent processes. Splicing operation; the splicer includes an upper baffle plate and a lower baffle plate arranged in parallel up and down, and the upper baffle plate and the lower baffle plate are respectively provided with a yarn groove Ι and a yarn groove ΙΙ vertically. The yarn groove Ι and the yarn groove ΙΙ are used to place the spliced yarns, and the positioning is accurate;

(4) A kind of pneumatic splicing device and splicing method with single-spindle yarn suction nozzle of the present invention, upper and lower scissors are vertically arranged between the yarn groove I and the yarn groove Ι1 respectively. , the upper and lower scissors are detachably installed on the lower surface of the upper baffle plate and the upper surface of the lower baffle plate respectively, and are driven by the cylinder ΙΙ; The cylinder is driven by ΙΙΙ, because each part is independently controlled by the cylinder, so it saves cost, reduces energy consumption, and is easy to disassemble and assemble;

(5) A pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method of the present invention, the lower surface of the upper baffle is detachably installed with an upper yarn clamping device, and the upper yarn clamping device is provided with On the side close to the yarn groove 11, a lower yarn clamping device is detachably installed on the upper surface of the lower baffle plate, and the lower yarn clamping device is arranged on the side close to the yarn groove 1. The The upper and lower yarn clamping devices are externally connected to the cylinder ΙΙΙ through the drive block ΙΙΙ; when the suction nozzle sucks the broken bobbin and drives the broken bobbin up to the front side of the splicer, the cylinder Ι is opened to drive the slave The rod drives the yarn holding device to send the broken yarn of the bobbin into the yarn groove Ι; the cylinder ΙΙΙ is opened, and the lower yarn clamping device is driven to clamp the yarn end of the broken yarn of the bobbin, thereby completing the preparation for the broken yarn of the bobbin; when the front end of the yarn suction nozzle After the suction nozzle mouth sucks the upper broken end yarn and puts it into the yarn groove ΙΙ, the upper yarn clamping device is driven by the cylinder ΙΙΙ to clamp the yarn end of the upper broken end yarn, and then the lower scissors are driven by the cylinder ΙΙ to close the suction nozzle. The upper broken end yarn on the mouth side is cut to complete the preparation of the upper broken end yarn;

(6) A pneumatic splicing device and splicing method with a single-spindle yarn suction nozzle of the present invention, the single-spindle yarn suction nozzle includes a suction nozzle elbow, and a synchronous wheel is installed inside the suction nozzle elbow The middle part of the synchronous wheel is coaxially sleeved with a synchronous wheel shaft, and the synchronous wheel shaft is also coaxially sleeved with a bearing, and each component is aligned with the axis of the connecting pipe and can be detachably installed on the mounting seat; A driving wheel is also installed on the same side of the synchronizing wheel, and a swinging cylinder is externally connected to the middle of the driving wheel, so as to provide a driving source to control the suction nozzle elbow to drive the upper suction nozzle to rotate; the driving wheel and the synchronizing wheel are circumferentially sleeved. A synchronous belt is connected to realize the rotation of the driving wheel and the synchronous wheel in the same direction;

(7) A pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method of the present invention, the lower part of the elbow of the suction nozzle is connected with a yarn suction nozzle, and the yarn suction nozzle is fixed on the suction nozzle by means of a hoop The nozzle bend is placed on the nozzle elbow, so that it can rotate around the suction nozzle elbow, so as to realize the up and down swing of the yarn suction nozzle; the outer end of the yarn suction nozzle is provided with a suction nozzle port, so as to connect the yarn suction nozzle with the outside world and facilitate the introduction of air. , to form a negative pressure channel by connecting the upper air door negative pressure air duct;

(8) A pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method of the present invention, the end of the suction nozzle is also connected with an air inlet. The suction force of the yarn suction nozzle, so that the yarn suction process of the subsequent process can be carried out efficiently;

(9) A pneumatic splicing device with a single-spindle yarn suction nozzle and a splicing method of the present invention, the upper and lower zero position sensors of the mounting seat are respectively installed horizontally up and down, and by starting the swing cylinder, To drive the driving wheel to rotate forward or reverse, and then drive the synchronous wheel to rotate in the same direction through the synchronous belt wound on it, so as to control the rotation of the suction nozzle elbow installed on it, and then drive the suction nozzle elbow connected to the lower part. The yarn suction nozzle goes down or up, correspondingly drives the suction nozzle set at the outer end of the yarn suction nozzle to go down or up; it is driven by the swinging cylinder and is positioned with the sensor, so that the positioning of the swinging cylinder is accurate and the adjustment is simple; when the yarn suction nozzle is When it fails to reach the lower zero position sensor, the single spindle alarms, so that the maintenance personnel can find the cause of the accident in a targeted manner, thus completing the maintenance smoothly, reducing unnecessary downtime and improving production efficiency.

Description of drawings

Fig. 1 is the structure schematic diagram of the working state of the existing splicing trolley;

Fig. 2 is the structure schematic diagram of the working state of the pneumatic splicing device with the single-spindle yarn suction nozzle of the present invention;

3 is a schematic structural diagram of the assembled state of the pneumatic splicing device of the present invention;

4 is a schematic structural diagram of a splicing device of the present invention;

Fig. 5 is the bottom view state structure schematic diagram of Fig. 4;

Fig. 6 is a three-dimensional schematic diagram of the single-spindle yarn suction nozzle of the present invention;

FIG. 7 is a schematic structural diagram of the disassembled state of FIG. 6 .

In the picture: 1- splicing trolley; 2- upper air duct; 3- lower air duct; 4- splicing device; 5- cylinder; 6- yarn holding device; 7- single-spindle yarn suction nozzle; 8- package yarn suction nozzle; 9- Large suction nozzle; 11- Small suction nozzle; 12- Negative pressure pipe; 31- Lower air door; 32- Air inlet; 41- Base; 42- Air connection plate; 43- Splicer; 44- Breather pipe; 51 -Cylinder Block Ι; 52-Cylinder Block ΙΙ; 53-Cylinder Block ΙΙΙ; 61-Driver Rod; 71-Suction Nozzle Elbow; 72- Yarn Suction Feeder; 73-Suction Mouth; 74-Drive Mechanism; 75-Installation Seat; 76-connecting pipe; 77-swing cylinder; 78-upper zero position sensor; 79-lower zero position sensor; 421-vent hole; 431-upper baffle; 432-lower baffle; 433-splicing box; 434 - Yarn groove Ι; 435 - Yarn groove ΙΙ; 436 - upper yarn clamping device; 437 - upper scissors; 438 - lower yarn clamping device; 439 - lower scissors; Cylinder ΙΙ; 522-drive block ΙΙ; 531-cylinder ΙΙΙ; 532-drive block ΙΙΙ; 731-air inlet; 741-drive wheel; 742-synchronizing wheel; 743-synchronizing axle;

Detailed ways

In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

Example 1

A pneumatic splicing device with a single-spindle yarn suction nozzle in this embodiment, as shown in Figures 2 to 3, includes a splicing device 4, and the splicing device 4 includes a base 41, and the base 41 is placed horizontally on the On the reference plane, the splicing device 4 is driven by the air cylinder 5; the upper surface of the base 41 is fixedly installed with an air receiving plate 42, the air receiving plate 42 is arranged vertically, and its inner side is communicated through a ventilation pipe 44 There is a splicer 43, so that the entire structure occupies a small area and is easy to disassemble; one side of the splicer 43 is vertically installed with a yarn holding device 6, and the yarn holding device 6 is movably connected through its bottom. The rod 61 is externally connected with a cylinder I511, and the cylinder I511 and the driven rod 61 are detachably connected by a drive block I512. The cylinder I511 is fixedly installed on the upper surface of the base 41 through the cylinder seat I51. Since each part is independently controlled by the cylinder, Therefore, the cost is saved, the energy consumption is reduced, and the disassembly and assembly are convenient, and the maintenance is convenient; the upper air duct 2 arranged under the splicer 43 is connected with the single-spindle yarn suction nozzle 7 through the connecting pipe 76, and the single-spindle yarn suction The nozzle 7 is fixedly installed on the wall plate of each spindle through the mounting seat 75 on it. Since each spindle is equipped with a separate single-spindle yarn suction nozzle 7, it does not need to move with the splicer 43, which solves the problem of traditional twisting. Each time the splicing trolley 1 passes through a spindle, the damper needs to be opened, which increases the resistance of the trolley to run, and also solves the risk of the trolley being stuck, thereby simplifying the structure of the splicing trolley and making the operation smoother.

Example 2

The basic structure of a pneumatic splicing device with a single-spindle yarn suction nozzle of this embodiment is the same as that of Embodiment 1. The difference and improvement are: as shown in FIG. The upper baffle 431 and the lower baffle 432, the upper baffle 431 and the lower baffle 432 are respectively provided with a yarn groove I434 and a yarn groove ΙΙ435 vertically, the yarn groove I434 and the yarn groove ΙΙ435 are used for In order to place the spliced yarns, and the positioning is accurate; as shown in FIG. 5 , the lower surface of the upper baffle 431 is detachably installed with upper scissors 437, and the upper scissors 437 are arranged in the yarn grooves I434 and 1434. The position between the yarn grooves ΙΙ435 is convenient for cutting the redundant yarns in the yarn grooves Ι434 and the yarn grooves ΙΙ435; the upper scissors 437 is externally connected with a cylinder ΙΙ521 through the driving block ΙΙ522, and the cylinder ΙΙ521 passes through the cylinder block ΙΙ52 is fixedly installed on the upper surface of the base 41; the lower surface of the upper baffle plate 431 can also be detachably installed with an upper yarn clamping device 436, and the upper yarn clamping device 436 is arranged on the side close to the yarn groove ΙΙ435 , the upper yarn clamping device 436 is externally connected with a cylinder ΙΙΙ531 through the drive block ΙΙΙ532. As shown in FIG. 4 , lower scissors 439 are detachably installed on the upper surface of the lower baffle plate 432, and the lower scissors 439 are arranged between the yarn groove I434 and the yarn groove I1435, so as to facilitate the cutting of all The excess yarn in the yarn groove I1434 and the yarn groove ΙΙ435; the lower scissors 439 is connected to the external cylinder ΙΙ521 through the drive block ΙΙ522; the upper surface of the lower baffle plate 432 can also be detachably installed with a lower yarn clamping device 438, so The lower yarn clamping device 438 is arranged on the side close to the yarn groove I434, and the lower yarn clamping device 438 is externally connected to the cylinder ΙΙΙ531 through the drive block ΙΙΙ532.

In this embodiment, when the suction mouth 73 at the front end of the yarn suction nozzle 72 absorbs the broken bobbin yarn and drives the broken bobbin yarn up to the front side of the splicer 43, the air cylinder I511 is opened, and the driven rod 61 is driven to drive the holding The yarn device 6 sends the bobbin broken yarn into the yarn groove I434; then the cylinder ΙΙΙ531 is opened, and the lower yarn clamping device 438 is driven to clamp the yarn end of the bobbin broken yarn, thereby completing the preparation for the bobbin yarn breakage. When the suction nozzle 73 sucks the upper broken end yarn and puts it into the yarn groove ΙΙ435, the upper yarn clamping device 436 is driven by the cylinder ΙΙΙ531 to clamp the yarn end of the upper broken end yarn, and then the lower scissors 439 are driven by the cylinder ΙΙ521 to clamp the yarn end of the upper broken end yarn. The upper broken end yarn near the mouth of the suction nozzle is cut off to complete the preparation of the upper broken end yarn. A splicing box 333 is fixedly installed between the upper baffle 331 and the lower baffle 332, and the switch is controlled by controlling the splicing box 433 to form a high-speed airflow; then the upper scissors 437 and the lower scissors 439 are driven by the air cylinder ΙΙ521 to reduce excess yarn, and then complete the splicing operation.

Example 3

The basic structure of a pneumatic splicing device with a single-spindle yarn suction nozzle of this embodiment is the same as that of the second embodiment, and the difference and improvement are: as shown in Figures 6-7, the single-spindle yarn suction nozzle 7 includes The suction nozzle elbow 71, the suction nozzle elbow 71 is equipped with a synchronous wheel 742, the middle of the synchronous wheel 742 is coaxially sleeved with a synchronous wheel shaft 743, and the synchronous wheel shaft 743 is also coaxially sleeved with a bearing 745, Each component is aligned with the axis of the connecting pipe 76 and can be detachably mounted on the mounting seat 75; a driving wheel 741 is also installed on the same side of the mounting seat 75 as the synchronizing wheel 742, and the middle of the driving wheel 741 is coaxially externally connected with The cylinder 77 is swung to provide a driving source; the driving wheel 741 and the synchronous wheel 742 are circumferentially sleeved with a synchronous belt 744, so that the driving wheel 741 and the synchronous 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 the form of a hoop, so that the suction nozzle elbow 71 can be rotated, thereby realizing the rotation of the yarn suction nozzle 72. Swing up and down. The outer end of the yarn sucking nozzle 72 is provided with a nozzle mouth 73, so that the yarn sucking nozzle 72 is connected with the outside world, and it is convenient for air to be introduced to form a negative pressure channel by communicating with the negative pressure air duct 2 in the upper air channel.

Further, the end of the suction nozzle 73 is also communicated with an air inlet 731, and by adding another inlet for air intake, the suction force of the yarn suction nozzle 72 is improved, so that the yarn suction process of the subsequent process can be carried out efficiently.

Example 4

The basic structure of a pneumatic splicing device with a single-spindle yarn suction nozzle of this embodiment is the same as that of Embodiment 3. The difference and improvement are: as shown in FIG. The zero position sensor 78 and the lower zero position sensor 79 are driven by the motor and need to be positioned with the sensors, so that the positioning of the swing cylinder 77 is accurate and the adjustment is simple.

In this embodiment, as shown in FIGS. 6 to 7 , the oscillating cylinder 77 is activated to drive the driving wheel 741 to rotate in the forward or reverse 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 rotate the driving wheel 741 in the same direction. Control the rotation of the suction nozzle elbow 71 installed on it, and then drive the yarn suction nozzle 72 connected to the lower part of the suction nozzle elbow 71 to go down or up, and correspondingly drive the suction nozzle port 73 provided at the outer end of the yarn suction nozzle 72 to go down Or up; driven by the swinging cylinder 77 and positioning with the sensor, so that the positioning of the swinging cylinder 77 is accurate and the adjustment is simple; when the yarn suction nozzle 72 fails to reach the lower zero position sensor 79, the single spindle alarm, so that the maintenance personnel can Targeted discovery of the cause of the accident, so that the maintenance can be successfully completed, unnecessary downtime is reduced, and production efficiency is improved.

Example 5

The splicing method of a pneumatic splicing device with a single-spindle yarn suction nozzle of this embodiment has the same basic structure as that of Embodiment 4, and the difference and improvement lie in that it includes the following steps:

Step 1, connect negative pressure: the yarn suction nozzle 72 is at the upper zero position sensor 78, and provides negative pressure through the upper air channel 2, so that the yarn suction nozzle 72 is communicated with the negative pressure tube in the upper air channel 2;

Step 2, sucking the upper broken tail yarn: turn on the motor on the yarn suction nozzle 72, so that the yarn suction nozzle 72 is aligned with the roller yarn outlet above the splicer 43, and the yarn suction nozzle 72 starts to absorb the upper broken tail yarn;

Step 3. Preparation for upper yarn breakage: start the swing cylinder 77 to drive the driving wheel 741 to rotate in the forward direction, and then drive the synchronous wheel 742 to rotate in the same direction through the synchronous belt 744 wound on it to control the suction nozzle installed on it. The elbow 71 rotates, and then drives the yarn suction nozzle 72 connected to the lower part of the suction nozzle elbow 71 to descend, and puts the sucked upper broken end yarn into the yarn groove ΙΙ435, and then opens the cylinder ΙΙΙ531 to drive the upper clamp The yarn device 436 clamps the yarn tail of the upper broken yarn;

Step 4. Yarn suction nozzle 72 goes down to the lower zero position sensor 79: start swinging cylinder 77 to drive the driving wheel 741 to rotate in the forward direction, and then drive the synchronous wheel 742 to rotate in the same direction through the synchronous belt 744 wound thereon, to Control the rotation of the suction nozzle elbow 71 installed on it, and then drive the yarn suction nozzle 72 connected to the lower part of the suction nozzle elbow 71 to go down to the lower zero position sensor 79, and the yarn suction nozzle 72 carries the upper broken yarn and goes down and Send the upper broken tail yarn to the inner side of the yarn holding device 6 in front of the splicer 43;

Step 5, sucking the broken yarn of the bobbin: drive the large suction nozzle 9 under the splicer 43 through the cylinder to go down to the yarn suction nozzle 8, and align the yarn suction nozzle 8, and then start to absorb the broken yarn of the bobbin;

Step 6. Preparation for bobbin breakage: drive the large suction nozzle 9 upward through the air cylinder, and lift the sucked bobbin broken yarn to the front of the yarn groove I434, then open the air cylinder ΙΙΙ531, and drive down the yarn clamping device 438 to clamp the bobbin. The yarn tail of the broken yarn;

Step 7. Yarn splicing: turn on the control switch of the splicing box 433 to form a high-speed airflow; then turn on the air cylinder ΙΙ521, drive the upper scissors 437 and the lower scissors 439 to cut off excess yarn, and then complete the splicing and splicing operation;

Step 8. The yarn suction nozzle 72 is returned 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 through the synchronous belt 744 wound on it to control The suction nozzle elbow 71 installed on it rotates, and further drives the yarn suction nozzle 72 connected to the lower part of the suction nozzle elbow 71 to return to the upper zero position sensor 78 .

In this embodiment, when the yarn suction nozzle 72 fails to reach the lower zero position sensor 79, the single spindle alarms, so that the maintenance personnel can find the cause of the accident in a targeted manner, thus completing the maintenance smoothly and reducing unnecessary downtime. , thereby improving production efficiency.

The present invention and its embodiments have been described above schematically, and the description is not restrictive, and what is shown in the accompanying drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if those of ordinary skill in the art are inspired by it, without departing from the purpose of the present invention, any structural modes and embodiments similar to this technical solution are designed without creativity, which shall belong to the protection scope of the present invention. .

Claims (10)

1. a pneumatic splicing device with a single-spindle yarn suction nozzle, characterized in that: comprising a splicing device (4), the splicing device (4) comprising a base 41, and the base 41 is placed horizontally on a reference plane On the upper side, the splicing device (4) is driven by the air cylinder (5); one side of the splicing device (4) is vertically installed with a yarn holding device (6), and the yarn holding device (6) passes through its bottom The movably connected driven rod (61) is externally connected with a cylinder 1 (511), the cylinder 1 (511) and the driven rod (61) are detachably connected through a drive block 1 (512), the cylinder 1 (511) ) is fixedly installed on the upper surface of the base (41) through the cylinder seat 1 (51); the upper air duct (2) provided below the splicing device (4) is connected with a single-spindle yarn suction nozzle (7) through a connecting pipe (76). ), the single-spindle yarn suction nozzle (7) is fixedly installed on the wallboard of each spindle through the mounting seat (75) thereon. 2. A pneumatic splicing device with a single-spindle yarn suction nozzle according to claim 1, characterized in that: an air receiving plate (42) is fixedly installed on one side of the upper surface of the base (41), so The air receiving plate (42) is arranged vertically, and the inner side thereof is communicated with a splicer (43) through a ventilation pipe (44), and the splicer (43) includes an upper baffle plate (431) and a lower baffle plate (431) and a lower baffle plate (431) arranged in parallel up and down. A baffle plate (432), a splicing box (433) is fixedly installed between the upper baffle plate (431) and the lower baffle plate (432); a plurality of groups of ventilation holes are opened on the upper surface of the air receiving plate (42) (421). 3. The pneumatic splicing device with a single-spindle yarn suction nozzle according to claim 2, wherein the upper baffle (431) and the lower baffle (432) are respectively vertically opened with Yarn groove Ι (434) and yarn groove ΙΙ (435); upper scissors (437) are provided at the position between the yarn groove Ι (434) and yarn groove ΙΙ (435), and the upper scissors ( 437) Removably installed on the lower surface of the upper baffle plate (431); the upper scissors (437) are externally connected with a cylinder ΙΙ (521) through the drive block ΙΙ (522), and the cylinder ΙΙ (521) passes through the cylinder seat ΙΙ ( 52) It is fixedly installed on the upper surface of the base (41). 4. A pneumatic splicing device with a single-spindle yarn suction nozzle according to claim 3, characterized in that: the upper surface of the lower baffle plate (432) is detachably installed with lower scissors (439), so The lower scissors (439) are arranged at a position between the yarn groove I (434) and the yarn groove ΙΙ (435); the lower scissors (439) are externally connected to the cylinder ΙΙ (521) through the drive block ΙΙ (522). . 5. A pneumatic splicing device with a single-spindle yarn suction nozzle according to claim 4, characterized in that: the lower surface of the upper baffle plate (431) can also be detachably installed with an upper yarn clamping device (436) ), the upper yarn clamping device (436) is arranged on the side close to the yarn groove ΙΙ (435); the upper yarn clamping device (436) is externally connected with a cylinder ΙΙΙ (531) through the drive block ΙΙΙ (532) , the cylinder ΙΙΙ (531) is fixedly mounted on the upper surface of the base (41) through the cylinder block ΙΙΙ (53). 6. The pneumatic splicing device with a single-spindle yarn suction nozzle according to claim 5, wherein a lower yarn clamping device (438) can be detachably installed on the lower surface of the lower baffle plate (434). ), the lower yarn clamping device (438) is arranged on the side close to the yarn groove 1 (434); the lower yarn clamping device (438) is externally connected to the cylinder ΙΙΙ (531) through the drive block ΙΙΙ (532). 7. A pneumatic splicing device with a single-spindle yarn suction nozzle according to claim 1, characterized in that: the single-spindle yarn suction nozzle (7) comprises a suction nozzle elbow (71), the suction nozzle A synchronizing wheel (742) is installed inside the mouth elbow (71), a synchronizing wheel shaft (743) is coaxially sleeved in the middle of the synchronizing wheel (742), and a bearing (743) is also coaxially sleeved on the synchronizing wheel shaft (743). 745), the components are aligned together with the axis of the connecting pipe (76) and can be detachably mounted on the mounting seat (75); a driving wheel ( 741), a swinging cylinder (77) is coaxially circumscribed in the middle of the driving wheel (741); a timing belt (744) is circumferentially sleeved on the driving wheel (741) and the synchronizing wheel (742). 8. A pneumatic splicing device with a single-spindle yarn suction nozzle according to claim 7, characterized in that: the lower part of the suction nozzle elbow (71) is connected with a yarn suction nozzle (72), the suction nozzle The outer end of the yarn feeder (72) is provided with a suction mouth (73); the end of the suction mouth (73) is also communicated with an air inlet (731). 9 . The pneumatic splicing device with a single-spindle yarn suction nozzle according to claim 8 , wherein an upper zero position sensor ( 78 ) and a lower zero position sensor ( 78 ) and a lower zero position sensor ( 78 ) and a lower zero position sensor ( 78 ) and a lower zero position sensor ( 78 ) and a lower zero position are respectively installed up and down the mounting seat ( 75 ) according to claim 8 . Position Sensor (79). 10. A splicing method for a pneumatic splicing device with a single-spindle yarn suction nozzle, characterized in that, comprising the steps: Step 1. Pass negative pressure: the yarn suction nozzle (72) is at the upper zero position sensor (78), and provides negative pressure through the upper air duct (2), so that the negative pressure in the yarn suction nozzle (72) and the upper air duct (2) connected pipes; Step 2, sucking up the broken end yarn: turn on the motor on the yarn sucking nozzle (72), so that the yarn sucking nozzle (72) is aligned with the roller yarn outlet above the splicer (43), and the yarn sucking nozzle (72) Start to suck up the broken tail yarn; Step 3, preparation for the upper broken end yarn: start the swing cylinder (77) to drive the driving wheel (741) to rotate in the forward direction, and then drive the synchronous wheel (742) to rotate in the same direction through the synchronous belt (744) wound on it, To control the rotation of the suction nozzle elbow (71) installed on it, and then drive the yarn suction nozzle (72) connected to the lower part of the suction nozzle elbow (71) to go down, and put the sucked upper broken yarn into the yarn In the wire groove ΙΙ (435), then open the air cylinder ΙΙΙ (531) to drive the upper yarn clamping device (436) to clamp the yarn tail of the upper broken end yarn; Step 4. The yarn suction nozzle (72) goes down to the lower zero position sensor (79): the swing cylinder (77) is activated to drive the driving wheel (741) to rotate in the forward direction, and then pass the synchronous belt (744) wound thereon. ) drives the synchronizing wheel (742) to rotate in the same direction to control the rotation of the suction nozzle elbow (71) installed on it, thereby driving the yarn suction nozzle (72) connected to the lower part of the suction nozzle elbow (71) to descend to the lower zero At the position sensor (79), the yarn suction nozzle (72) carries the upper broken end yarn down and sends the upper broken end yarn to the inner side of the yarn holding device (6) in front of the splicer (43); Step 5. Suck the broken yarn of the bobbin: Drive the large suction nozzle (9) under the splicer (43) through the cylinder to descend to the yarn suction nozzle (8), align the yarn suction nozzle (8), and then start to suck The bobbin is broken; Step 6. Preparation for bobbin yarn breakage: drive the large suction nozzle (9) upward through the air cylinder, and lift the sucked bobbin broken yarn to the front of the yarn groove Ι (434), and then open the air cylinder ΙΙΙ (531), drive down The yarn clamping device (438) clamps the yarn end of the broken yarn of the bobbin; Step 7. Yarn splicing: turn on the control switch of the splicing box (433) to form a high-speed airflow; then turn on the cylinder ΙΙ (521), drive the upper scissors (437) and the lower scissors (439) to cut off excess yarn, and then complete splicing joint operation; Step 8. The yarn suction nozzle (72) returns 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 pass the synchronous belt (744) wound thereon. Drive the synchronizing wheel (742) to rotate in the same direction to control the rotation of the suction nozzle elbow (71) installed on it, and then drive the yarn suction nozzle (72) connected to the lower part of the suction nozzle elbow (71) to return to the upper zero position sensor (78).

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