Automatic threader for a twisting machine

Abstract

The application provides an automatic silk feeding device of a twisting machine, and belongs to the technical field of the twisting machine. It comprises a twisting machine body, a twisting mechanism arranged in the twisting machine body, a negative pressure adsorption mechanism arranged on the twisting machine body, and a transfer trailer for transferring a silk bobbin. The transfer trailer can be moved to the lower side of the negative pressure adsorption mechanism. The silk bobbin and the transfer trailer are rotationally connected. The negative pressure adsorption mechanism can adsorb the thread end on the silk bobbin and move the thread end to the twisting mechanism. The transfer trailer can move the silk bobbin to the twisting machine body and make the silk bobbin be located at the lower side of the negative pressure adsorption mechanism. The negative pressure adsorption mechanism can adsorb the thread end on the silk bobbin by negative pressure and move the thread end to the twisting mechanism. The twisting mechanism can directly twist the thread without manually feeding the thread, which is convenient and fast.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of a twisting machine, and relates to an automatic silk feeding device of a twisting machine. BACKGROUND

[0002] The twisting machine is a machine for winding a tube yarn on a rotary yarn frame, and when the twisting machine feeds a thread, the thread end of a silk tube needs to be manually wound on a twisting mechanism, which is time-consuming and laborious, and therefore an automatic silk feeding device capable of automatically feeding a thread is required.

[0003] In order to overcome the defects of the prior art, people have put forward various solutions through continuous exploration, such as a twisting machine disclosed in Chinese patent [application number: 201910292370.X], which comprises a rack, a horizontal rotating shaft rotatably connected to the rack, and a main driving device for driving the rotating shaft to rotate, a rotary yarn frame fixedly connected to the rotating shaft, wherein the rotating shaft is connected to the rack at one end and is suspended at the other end, a guide ring movably connected to the rack above the rotary yarn frame, the guide ring being movable back and forth in parallel with the axis of the rotating shaft, and a guide driving device for driving the guide ring to move back and forth, but the above-mentioned problems still exist. SUMMARY

[0004] The purpose of the present application is to solve the above-mentioned problems, and to provide an automatic silk feeding device of a twisting machine.

[0005] In order to achieve the above-mentioned purpose, the following technical scheme is adopted in the present application:

[0006] An automatic silk feeding device of a twisting machine, comprising a twisting machine main body, wherein the twisting machine main body is provided with a twisting mechanism, and further comprising a negative pressure suction mechanism arranged on the twisting machine main body and a transfer trailer for transferring a silk tube, the transfer trailer being movable to the lower side of the negative pressure suction mechanism, the silk tube and the transfer trailer being rotatably connected, and the negative pressure suction mechanism being capable of sucking the thread end on the silk tube and moving the thread end to the twisting mechanism.

[0007] In the present application, the transfer trailer can move the silk tube to the twisting machine main body and can make the silk tube located at the lower side of the negative pressure suction mechanism, the negative pressure suction mechanism can suck the thread end on the silk tube by negative pressure and move the thread end to the twisting mechanism, and the twisting mechanism can directly twist the thread without manual feeding, which is convenient and fast.

[0008] In the above-mentioned automatic silk feeding device of a twisting machine, the negative pressure suction mechanism comprises a vacuum pump and a negative pressure suction nozzle connected to the vacuum pump through an extension hose, and the twisting machine main body is further provided with a lifting assembly capable of driving the negative pressure suction nozzle to lift.

[0009] The vacuum pump can suck the air in the negative pressure suction nozzle through the telescopic hose to form negative pressure at the negative pressure suction nozzle, and the thread end on the thread cylinder can be adsorbed through the negative pressure. The lifting assembly can drive the negative pressure suction nozzle to move vertically. When the thread end is adsorbed, the lifting assembly first drives the negative pressure suction nozzle to move to the thread cylinder, and then drives the negative pressure suction nozzle to rise after the thread end is sucked out, so that the thread end is elongated and can be wound on the twisting mechanism.

[0010] In the automatic thread feeding device of the twisting machine, the vacuum pump is arranged on the mounting seat fixed on the main body of the twisting machine, and the mounting seat is further provided with a nozzle assembly for blowing the thread end adsorbed by the negative pressure suction nozzle to the twisting mechanism. After the thread end is elongated by the negative pressure suction nozzle, the nozzle assembly can blow the thread end to the working twisting mechanism to realize automatic thread feeding.

[0011] In the automatic thread feeding device of the twisting machine, the nozzle assembly comprises an air pump fixed on the mounting seat and a nozzle connected with the air pump, and the nozzle faces the twisting mechanism. The air pump can blow the thread end to the twisting mechanism through the nozzle.

[0012] In the automatic thread feeding device of the twisting machine, the main body of the twisting machine is further provided with a thread detector, and the thread detector is arranged on the side of the negative pressure suction nozzle away from the twisting mechanism. The thread detector can detect the thread end adsorbed by the negative pressure suction nozzle through infrared rays, and the nozzle assembly is driven to work after the thread detector detects the thread end.

[0013] In the automatic thread feeding device of the twisting machine, the negative pressure adsorption mechanism is provided with one or more groups on the main body of the twisting machine.

[0014] In the automatic thread feeding device of the twisting machine, the lifting assembly comprises two vertically arranged lifting drivers, the output shaft of the lifting driver is connected with the top of the negative pressure suction nozzle, and the two lifting drivers are arranged on the two sides of the vacuum pump. The two lifting drivers work synchronously to drive the negative pressure suction nozzle to move vertically.

[0015] In the automatic thread feeding device of the twisting machine, the top of the negative pressure suction nozzle is further provided with a plurality of vertically arranged limiting rods, and the limiting rods penetrate through the mounting seat and are in sliding connection with the mounting seat. The sliding connection between the limiting rods and the mounting seat can limit the negative pressure suction nozzle to prevent the negative pressure suction nozzle from deviating during movement.

[0016] In the automatic thread feeding device of the twisting machine, the twisting mechanism comprises a twisting frame and a circumferential driver for driving the twisting frame to rotate. The circumferential driver can drive the twisting frame to rotate to perform the twisting work.

[0017] The transfer trailer is provided with at least two horizontally arranged rotating discs, and the rotating discs are provided with vertically arranged positioning shafts on the top.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] 1. The transfer trailer can move the silk tube to the main body of the twisting machine and enable the silk tube to be located below the negative pressure suction mechanism, the negative pressure suction mechanism can suck the thread end on the silk tube out through negative pressure and move to the twisting mechanism, and the twisting mechanism can directly twist the thread without manual feeding, which is convenient and fast.

[0020] 2. The vacuum pump can suck the air in the negative pressure suction nozzle out through the flexible hose to form negative pressure at the negative pressure suction nozzle, and the thread end on the silk tube can be sucked through the negative pressure, the lifting assembly can drive the negative pressure suction nozzle to move vertically, and when the thread end is sucked, the lifting assembly drives the negative pressure suction nozzle to move to the silk tube, and after the thread end is sucked out, the lifting assembly drives the negative pressure suction nozzle to rise to lengthen the thread end, so that the thread end can be wound on the twisting mechanism.

[0021] 3. After the negative pressure suction nozzle lengthens the thread end, the nozzle assembly can blow the thread end to the working twisting mechanism to realize automatic feeding of the thread.

[0022] Other advantages, objects and features of the present application will be apparent from the following description, and will be understood by those skilled in the art through a study of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a partial structure schematic diagram of the present application;

[0024] Figure 2 is a cross-sectional schematic diagram of the present application.

[0025] In the figure, the twisting machine main body 1, the twisting mechanism 2, the negative pressure suction mechanism 3, the silk tube 4, the transfer trailer 5, the vacuum pump 6, the flexible hose 7, the negative pressure suction nozzle 8, the lifting assembly 9, the mounting seat 11, the nozzle assembly 12, the air pump 13, the nozzle 14, the wire finder 15, the lifting driver 16, the limiting rod 17, the twisting frame 18, the circumferential driver 19, and the rotating disc 20. DETAILED DESCRIPTION

[0026] As Figure 1 and Figure 2As shown in the drawings, an automatic wire feeding device of a twisting machine comprises a twisting machine body 1, a twisting mechanism 2 arranged in the twisting machine body 1, a negative pressure suction mechanism 3 arranged on the twisting machine body 1, and a transfer trailer 5 for transferring a wire drum 4, the transfer trailer 5 being movable to the lower side of the negative pressure suction mechanism 3, the wire drum 4 being rotatably connected to the transfer trailer 5, and the negative pressure suction mechanism 3 being capable of sucking and moving a wire end on the wire drum 4 to the twisting mechanism 2.

[0027] In the present application, the wire drum can be moved to the twisting machine body by the transfer trailer and can be located at the lower side of the negative pressure suction mechanism, the wire end on the wire drum can be sucked out by the negative pressure suction mechanism and moved to the twisting mechanism, and the twisting mechanism can directly twist the wire without manual feeding of the wire, which is convenient and fast.

[0028] Specifically, as shown in Figure 1 and Figure 2 , the negative pressure suction mechanism 3 comprises a vacuum pump 6 and a negative pressure suction nozzle 8 connected to the vacuum pump 6 through an extension hose 7, and the twisting machine body 1 is further provided with a lifting assembly 9 capable of driving the negative pressure suction nozzle 8 to lift.

[0029] The vacuum pump can suck out the air in the negative pressure suction nozzle through the extension hose to form a negative pressure at the negative pressure suction nozzle, the wire end on the wire drum can be sucked by the negative pressure, and the lifting assembly can drive the negative pressure suction nozzle to lift in the vertical direction, the negative pressure suction nozzle is first driven by the lifting assembly to move to abut against the wire drum when the wire end is sucked, and the lifting assembly drives the negative pressure suction nozzle to rise after the wire end is sucked out to lengthen the wire end, so that the wire end can be wound on the twisting mechanism.

[0030] Specifically, as shown in Figure 1 and Figure 2 , the vacuum pump 6 is arranged on a mounting seat 11 fixed on the twisting machine body 1, and the mounting seat 11 is further provided with a nozzle assembly 12 for blowing the wire end sucked by the negative pressure suction nozzle 8 to the twisting mechanism 2. After the wire end is lengthened by the negative pressure suction nozzle, the nozzle assembly can blow the wire end to the working twisting mechanism to realize automatic wire feeding.

[0031] Specifically, the nozzle assembly 12 comprises an air pump 13 fixed on the mounting seat 11 and a nozzle 14 connected to the air pump 13, the nozzle 14 facing the twisting mechanism 2. The air pump can blow the wire end to the twisting mechanism through the nozzle.

[0032] Preferably, as shown in Figure 1 and Figure 2 , the twisting machine body 1 is further provided with a wire detector 15 arranged on the side of the negative pressure suction nozzle 8 away from the twisting mechanism 2. The wire detector can detect the wire end sucked by the negative pressure suction nozzle through infrared rays, and the nozzle assembly is driven to work after the wire detector detects the wire end.

[0033] Preferably, the negative pressure suction mechanism 3 is provided with one or more groups on the roving frame body 1.

[0034] Specifically, as shown in Figure 1 and Figure 2 , the lifting assembly 9 comprises two vertically arranged lifting drives 16, the output shafts of the lifting drives 16 are connected with the top of the negative pressure suction nozzle 8, and the two lifting drives 16 are arranged on the two sides of the vacuum pump 6 respectively. The synchronous operation of the two lifting drives can drive the negative pressure suction nozzle to lift along the vertical direction.

[0035] Those skilled in the art should understand that the lifting drive can be an oil cylinder, an air cylinder or a linear motor, etc.

[0036] Preferably, as shown in Figure 1 and Figure 2 , the top of the negative pressure suction nozzle 8 is further provided with a plurality of vertically arranged limiting rods 17, the limiting rods 17 penetrate through the mounting seat 11 and are in sliding connection with the mounting seat 11. The sliding connection between the limiting rods 17 and the mounting seat can limit the negative pressure suction nozzle and prevent the negative pressure suction nozzle from deviating during movement.

[0037] Specifically, as shown in Figure 1 and Figure 2 , the twisting mechanism 2 comprises a twisting frame 18 and a circumferential drive 19 for driving the twisting frame 18 to rotate;

[0038] The circumferential drive 19 can drive the twisting frame to rotate for twisting work. Those skilled in the art should understand that the circumferential drive can be a rotary oil cylinder or a motor, etc.

[0039] Preferably, the transfer trailer 5 is provided with at least two horizontally arranged rotary discs 20, and the top of the rotary disc 20 is provided with a vertically arranged positioning shaft.

[0040] The working principle of the present application is that the transfer trailer can move the silk bobbin to the roving frame body and can make the silk bobbin located below the negative pressure suction mechanism, the negative pressure suction mechanism can suck the thread end on the silk bobbin out by negative pressure and move to the twisting mechanism, and the twisting mechanism can directly twist the thread without manual feeding, which is convenient and fast.

[0041] The vacuum pump can suck out the air in the negative pressure suction nozzle through the telescopic hose to form negative pressure at the negative pressure suction nozzle, and the thread end on the bobbin can be adsorbed through the negative pressure. The lifting assembly can drive the negative pressure suction nozzle to move along the vertical direction, and when the thread end is adsorbed, the lifting assembly first drives the negative pressure suction nozzle to move to abut against the bobbin. After the thread end is sucked out, the lifting assembly drives the negative pressure suction nozzle to rise to lengthen the thread end, so that the thread end can be wound on the stranding mechanism. After the thread end is lengthened by the negative pressure suction nozzle, the nozzle assembly can blow the thread end to the stranding mechanism working to realize automatic threading, and the air pump can blow the thread end to the stranding mechanism through the nozzle.

[0042] The thread detector can detect the thread end adsorbed by the negative pressure suction nozzle through infrared rays. When the thread detector detects the thread end, the nozzle assembly is driven to work. The two lifting drivers work synchronously to drive the negative pressure suction nozzle to move along the vertical direction. The limiting rod 17 and the mounting seat are slidingly connected to limit the negative pressure suction nozzle to prevent the negative pressure suction nozzle from deviating during movement. The circumferential driver 19 can drive the stranding frame to rotate to work.

[0043] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or use similar ways to replace, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0044] Although the main body 1 of the stranding machine, the stranding mechanism 2, the negative pressure adsorption mechanism 3, the bobbin 4, the transfer trailer 5, the vacuum pump 6, the telescopic hose 7, the negative pressure suction nozzle 8, the lifting assembly 9, the mounting seat 11, the nozzle assembly 12, the air pump 13, the nozzle 14, the thread detector 15, the lifting driver 16, the limiting rod 17, the stranding frame 18, the circumferential driver 19, the rotating disc 20, etc. are used more frequently in this paper, the use of these terms is only to facilitate the description and explanation of the essence of the present application; any additional limitation is contrary to the spirit of the present application.

Claims

1. An automatic wire feeding device for a twisting machine, comprising a twisting machine body (1), wherein a twisting mechanism (2) is provided in the twisting machine body (1), characterized in that: The utility model also includes a negative pressure adsorption mechanism (3) provided on the main body (1) of the twisting machine and a transfer trailer (5) for transporting the silk reel (4). The transfer trailer (5) can be moved to the lower side of the negative pressure adsorption mechanism (3). The silk reel (4) and the transfer trailer (5) are rotatably connected. The negative pressure adsorption mechanism (3) can adsorb the thread end on the silk reel (4) and move the thread end to the twisting mechanism (2). The negative pressure adsorption mechanism (3) includes a vacuum pump (6) and a negative pressure suction nozzle (8) connected to the vacuum pump (6) through a telescopic hose (7). The main body (1) of the twisting machine is also provided with a lifting component that can drive the negative pressure suction nozzle (8) to rise and fall. (9), the vacuum pump (6) is arranged on a mounting base (11) fixed on the twisting machine body (1), and the mounting base (11) is also provided with a nozzle assembly (12) for blowing the thread ends adsorbed by the negative pressure suction nozzle (8) toward the twisting mechanism (2), and the nozzle assembly (12) includes an air pump (13) fixed on the mounting base (11) and a nozzle (14) connected to the air pump (13), and the nozzle (14) faces the twisting mechanism (2). The twisting machine body (1) is also provided with a wire detector (15), and the wire detector (15) is arranged on the side of the negative pressure suction nozzle (8) away from the twisting mechanism (2).

2. The automatic wire feeding device of a twisting machine according to claim 1, characterized in that: The negative pressure adsorption mechanism (3) is provided in one or more groups on the wringer body (1).

3. The automatic wire feeding device of a twisting machine according to claim 1, characterized in that: The lifting assembly (9) includes two vertically arranged lifting drivers (16), the output shaft of the lifting driver (16) is connected to the top of the negative pressure suction nozzle (8), and the two lifting drivers (16) are respectively arranged on both sides of the vacuum pump (6).

4. The automatic wire feeding device for a twisting machine according to claim 1, characterized in that: The top of the negative pressure suction nozzle (8) is also provided with a plurality of vertically arranged limiting rods (17), and the limiting rods (17) pass through the mounting seat (11) and are slidably connected to the mounting seat (11).

5. The automatic wire feeding device for a twisting machine according to claim 1, characterized in that: The stranding mechanism (2) comprises a stranding frame (18) and a circumferential drive (19) for driving the stranding frame (18) to rotate.

6. The automatic wire feeding device for a twisting machine according to claim 1, characterized in that: The transfer trailer (5) is provided with at least two horizontally arranged rotating disks (20), and a vertically arranged positioning shaft is provided on the top of the rotating disk (20).

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