A kind of automatic stranding and tying device for hank yarn of shaking machine

Abstract

The present invention discloses an automatic stranding and tying device for a hank of a twister, which includes a yarn threading rod and a threading device. The yarn threading rod is used to separate the hank on the yarn frame. The threading device includes two upper and lower spray and suction nozzles with the same functions. Two air pipes are respectively passed into the spray and suction nozzles, one is a suction pipe and the other is a nozzle. One end of the suction pipe is connected to the mouth, and the other end is connected to a negative pressure generator. The negative pressure generator generates negative pressure in the suction pipe to suck the yarn. The nozzle is connected to a flow channel toward the mouth, and the air ejected from the nozzle can blow out the yarn in the suction pipe when it flows out of the mouth. The present invention can complete the functions of automatic stranding, tying and knotting of the hank of the twister. It can simply, quickly and reliably realize the double "∞" threading and tying of the hank, and can simultaneously grab the head and tail of the yarn to realize the knotting of four lines together.

Description

Technical Field

[0001] The invention belongs to the field of textile machinery, and in particular relates to an automatic stranding and binding device for hanked yarn of a twisting machine. Background Art

[0002] With the continuous development of the textile industry, the application of the shaking machine is becoming more and more extensive. Since the shaking machine is easy to operate and has high working efficiency, it can greatly reduce production costs.

[0003] A hank-twisting machine is a machine that winds the yarn on a rotating yarn frame to form a hank. The current hank-twisting machine generally includes a frame, a rotating yarn frame connected to the frame, and a motor or a crank that drives the rotating yarn frame to rotate. After the yarn is wound on the rotating yarn frame for a certain number of turns, a hank of yarn is formed. However, the hank of the traditional hank-twisting machine is manually tied and twisted, that is, fingers are inserted into the hank to separate the strands, and then the hank is threaded and tied to find the head and tail of the hank, and finally knotted. A hank of yarn generally has to go through three to four such tying and twisting processes, so that the hanks will not be entangled with each other, which provides convenience for the subsequent dyeing and rewinding processes. However, this manual tying method is not only labor-intensive, but also inefficient and of low quality. Summary of the invention

[0004] The purpose of the present invention is to provide a device for automatically dividing and tying the hanks of a hank of a hank-twisting machine, so as to fully realize the automatic dividing and tying of the hanks, and lay a solid foundation for the full automation of the hank-twisting machine.

[0005] The technical solution adopted by the present invention is: a device for automatically dividing and binding the hanked yarn of a shaking machine, which includes a yarn threading rod and a threading device, the yarn threading rod is used to divide the hanked yarn on the yarn frame, and the threading device includes two upper and lower spray and suction nozzles with the same functions, two air pipes are respectively passed into the spray and suction nozzles, one is a suction pipe, and the other is a nozzle, one end of the suction pipe is connected to the nozzle, and the other end is connected to a negative pressure generator, and negative pressure is generated in the suction pipe through the negative pressure generator to suck in the yarn, and the nozzle is connected to the flow channel toward the nozzle, and the air sprayed therefrom can blow out the yarn in the suction pipe when flowing out of the nozzle.

[0006] Furthermore, the spray suction nozzle includes an upper spray suction nozzle and a lower spray suction nozzle, and the two nozzles form a "C"-shaped structure, the upper spray suction nozzle is connected to an upper suction pipe and an upper spray pipe, and the lower spray suction nozzle is connected to a lower suction pipe and a lower spray pipe.

[0007] Furthermore, the yarn threading rod is arranged above the yarn frame and can move up and down.

[0008] Furthermore, the number of the yarn threading rods is two or more.

[0009] Furthermore, the strand binding and twisting device also includes a wire shifting rod arranged on one side of the knotting device, and the wire shifting rod can rotate on a fixed axis and is used to shift the binding wire, yarn head and yarn tail to the center of the knotting baffle on the knotting device.

[0010] Furthermore, a yarn gathering baffle is arranged directly in front of the knotting baffle, and the two opposite ends of the knotting baffle and the yarn gathering baffle are both "V"-shaped structures.

[0011] Furthermore, the knotting baffle includes a knotting upper baffle and a knotting lower baffle, and the yarn gathering baffle includes a yarn gathering upper baffle and a yarn gathering lower baffle, the knotting upper baffle and the yarn gathering upper baffle are arranged opposite to each other, and the knotting lower baffle and the yarn gathering lower baffle are arranged opposite to each other.

[0012] Furthermore, the yarn head and the yarn tail are arranged on the twist rod of the yarn frame and are located on a side close to the threading device.

[0013] The beneficial effects of the present invention are as follows: the device and the method for operating the device can complete the functions of automatically dividing, binding and knotting the hanked yarn of the shaking machine, and can simply, quickly and reliably realize the double "∞"-shaped threading and binding of the hanked yarn, and can simultaneously grab the yarn head and tail to realize the knotting of four wires together.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the device:

[0016] Figures 2 to 5 It is a schematic diagram of the steps of the device for stranding, threading, winding and binding the stranded wire;

[0017] Figure 6 This is a top view of the tied strands being wound around.

[0018] Figure 7 This is a schematic diagram of the device grabbing the yarn head and tail

[0019] Figure 8 This is a schematic diagram of the device gathering yarn.

[0020] Marked in the figure: 1. skein, 2. skein rod, 3-1. Left yarn threading rod, 3-2. Right yarn threading rod, 4. threading device, 4-1. upper spray suction nozzle, 4-1-1. upper flow channel, 4-1-2. upper suction pipe, 4-1-3. upper spray pipe, 4-2. lower spray suction nozzle, 4-2-1. lower flow channel, 4-2-2. lower suction pipe, 4-2-3. lower spray pipe, 5. knotting device, 5-1. knotting upper baffle, 5-2. knotting lower baffle, 6-1. yarn gathering upper baffle, 6-2. yarn gathering lower baffle, 7-1. upper thread dial rod, 7-2. lower thread dial rod, 8. yarn head, 9. yarn tail, 10. tied skein. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] like Figure 1 , Figure 2 As shown, the threading device 4 is mainly composed of an upper spray suction nozzle 4-1 and a lower spray suction nozzle 4-2 with the same functions, forming a "C" shaped structure. Taking the upper spray suction nozzle 4-1 as an example, it is connected to two air pipes, namely: an upper suction pipe 4-1-2 and an upper nozzle 4-1-3. One end of the upper suction pipe 4-1-2 is connected to the mouth, and the other end is connected to a negative pressure generator (not shown), through which negative pressure is generated in the spray suction pipe to suck in the yarn. The upper nozzle 4-1-3 is connected to the upper flow channel 4-1-1 facing the mouth. Since the aperture of the upper flow channel 4-1-1 is very small, the flow rate of compressed air becomes faster when it flows through the upper flow channel, so that the air can blow out the yarn in the upper suction pipe 4-1-2 when it flows out of the mouth.

[0023] First, the yarn frame rotates to drive the twist rod 2 to rotate so that the yarn is wound and forms a skein 1. Before shaking, the yarn head 8 is fixed to one side of the position of the skein 1 by a clamping assembly (not shown). After shaking, the yarn tail 9 is also moved to the same position by a wire moving assembly (not shown), and then cut and clamped. Figure 1 At this point, there should be two skeins 2 on a horizontal plane, so that one side of the skein 1 is horizontal, which is convenient for subsequent stranding and tying.

[0024] Then the upper suction nozzle 4-1 generates negative pressure, and the binding strand 10 is sucked into the upper suction pipe 4-1-2. The binding strand 10 is fed into the required binding strand length by the wire feeding roller (not shown). The threading device 4, together with the left threading rod 3-1 and the right threading rod 3-2, falls from just above the horizontal skein 1. The left threading rod 3-1 and the right threading rod 3-2 penetrate into the skein 1 and divide the skein 1 into three parts, completing the stranding action. Figure 2 shown.

[0025] After the stranding is completed, the threading device 4 drives the binding strand 10 to start moving to the left. When the upper spray suction nozzle 4-1 and the lower spray suction nozzle 4-2 of the threading device move to the center of the right threading rod 3-2, the upper spray suction nozzle 4-1 starts to spray air to blow out the binding strand in the upper suction pipe 4-1-2. Figure 3 At the same time, the lower nozzle 4-2 starts to suck air, and immediately sucks the binding wire 10 blown out from the upper nozzle 4-1 into the lower suction pipe 4-2-2, thereby realizing the position conversion of the binding wire 10 from top to bottom. Figure 4 shown.

[0026] Similarly, when the mouth moves to the center of the threading rod 3-1 and the left side of the skein 1, the upper and lower positions of the tying wire are interchanged through the cooperation of the upper and lower spray and suction nozzles, and finally the threading device returns to the right until the mouth is aligned with the center of the yarn head 8 and the yarn tail 9, so that the tying wire can be threaded around the skein 1 in a double "∞" shape, as shown in FIG. Figure 5 In particular, in order to prevent the winding of the tied strands from affecting the threading of the thread head during the return process, the threading device 4 moves a distance L towards the threading rod when it moves to the leftmost side, so as to avoid the failure of the return threading. Figure 6 shown.

[0027] Afterwards, the threading device 4 and the left threading rod 3-1 and the right threading rod 3-2 are lifted upward, and the lower nozzle 4-2 also starts to suck air. At the same time, the clamping components of the yarn head 8 and the yarn tail 9 are loosened, so that the yarn head and tail together with the tying wire are sucked into the lower nozzle 4-2 and lifted to the top of the knotting device 5. Figure 7 , Figure 8 shown.

[0028] Finally, the upper thread shifting rod 7-1 and the lower thread shifting rod 7-2 make a fixed-axis rotation to shift the binding twisted wire 10, the yarn head 8 and the yarn tail 9 to the center of the knotting upper baffle 5-1 and the knotting lower baffle 5-2 on the knotting device 5, and then the yarn gathering upper baffle 6-1 and the yarn gathering lower baffle 6-2 push all the lines to the knotting upper baffle 5-1 and the knotting lower baffle 5-2. Since these are "V"-shaped baffles, the four lines are gathered at the two concave points of the upper and lower baffles to form a strand of yarn, which is then knotted by the knotting device to complete the binding and twisting action.

[0029] The device can quickly realize the double "∞"-shaped threading and binding of the hank yarn with a relatively simple mechanism, and at the same time grab the yarn head and tail and implement knotting, thus solving the problem that the current shaking machine cannot realize full-automatic shaking.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the above embodiments do not limit the protection scope of the present invention in any form, and all technical solutions obtained by equivalent replacement and the like fall within the protection scope of the present invention.

[0031] The parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art.

Claims

1. A device for automatically dividing and tying hanked yarns of a hank machine, characterized in that: It includes a yarn threading rod and a threading device, wherein the yarn threading rod is used to separate the skein on the yarn frame, and the threading device includes two upper and lower spray and suction nozzles with the same functions, and two air pipes are respectively passed into the spray and suction nozzles, one is a suction pipe and the other is a nozzle, one end of the suction pipe is connected to the mouth, and the other end is connected to a negative pressure generator, and negative pressure is generated in the suction pipe through the negative pressure generator to suck the yarn, and the nozzle is connected to a flow channel toward the mouth, and the air ejected by the nozzle can blow out the yarn in the suction pipe when it flows out of the mouth; The spray suction nozzle comprises an upper spray suction nozzle and a lower spray suction nozzle, and the two nozzles form a "C"-shaped structure, an upper suction pipe and an upper spray pipe are passed into the upper spray suction nozzle, and a lower suction pipe and a lower spray pipe are passed into the lower spray suction nozzle; The strand-binding and twisting device further comprises a wire-pushing lever arranged on one side of the knotting device, and the wire-pushing lever rotates on a fixed axis to push the binding wire, the yarn head and the yarn tail to the center of the knotting baffle on the knotting device; a yarn-gathering baffle is also arranged in front of the knotting baffle, and the opposite ends of the knotting baffle and the yarn-gathering baffle are both "V"-shaped structures; The operation steps of the stranding and twisting device are as follows: First, the yarn frame rotates to drive the twisting rod to rotate so that the yarn is wound and forms a hank. Before shaking and twisting, the yarn head is fixed to one side of the hank position by the clamping component. After shaking and twisting, the yarn tail is also moved to the same position by the wire moving component, and then cut and clamped. At this time, there are two twisting rods on the horizontal plane, making one side of the hank horizontal; Then the upper suction nozzle generates negative pressure, the tying wire is sucked into the upper suction pipe, the tying wire is fed into the required length by the wire feeding roller, the threading device together with the left threading rod and the right threading rod fall from just above the horizontal hank, the left threading rod and the right threading rod penetrate into the hank and divide the hank into 3 parts, completing the stranding action; After the stranding is completed, the threading device drives the binding strand to start moving to the left. When the upper and lower nozzles of the threading device move to the center of the right threading rod, the upper nozzle starts to blow out the binding strand in the upper suction pipe. At the same time, the lower nozzle starts to suck air, and immediately sucks the binding strand blown out from the upper nozzle into the lower suction pipe, thereby realizing the position conversion of the binding strand from top to bottom. When the mouth moves to the center of the threading rod and the left side of the hank, the upper and lower positions of the tying wire are interchanged through the cooperation of the upper and lower spray and suction nozzles, and finally the threading device returns to the right until the mouth is aligned with the center of the yarn head and the yarn tail, so that the tying wire can be threaded and wound around the hank in a double "∞" shape. In order to prevent the entangled tying wire from affecting the threading and winding of the thread head during the return process, the threading device moves a distance L towards the threading rod when it moves to the far left to avoid threading failure during the return process. After that, the threading device and the left and right threading rods are lifted upward, the lower spray suction nozzle also starts to suck air, and at the same time, the clamping components of the yarn head and the yarn tail are loosened, so that the yarn head and the yarn tail together with the tying wire are sucked into the lower spray suction nozzle and lifted to the top of the knotting device; Finally, the upper and lower wire shifting rods rotate on a fixed axis to shift the tying twisted wire, the yarn head and the yarn tail to the center of the knotting upper baffle and the knotting lower baffle on the knotting device, and then the yarn gathering upper baffle and the yarn gathering lower baffle push all the lines to the knotting upper baffle and the knotting lower baffle, and the four lines are gathered at the two concave points of the upper and lower baffles to form a strand of yarn, which is then knotted by the knotting device to complete the tying and twisting action.

2. The automatic stranding and tying device for hank yarn of a hank shaking machine according to claim 1 is characterized in that: The yarn threading rod is arranged above the yarn frame and can perform lifting motion.

3. The automatic stranding and tying device for hank yarn of a hank shaking machine according to claim 1 or 2, characterized in that: The number of the yarn threading rods is two or more.

4. The automatic stranding and tying device for hank yarn of a hank shaking machine according to claim 1 is characterized in that: The knotting baffle comprises a knotting upper baffle and a knotting lower baffle, and the yarn gathering baffle comprises a yarn gathering upper baffle and a yarn gathering lower baffle. The knotting upper baffle and the yarn gathering upper baffle are arranged opposite to each other, and the knotting lower baffle and the yarn gathering lower baffle are arranged opposite to each other.

5. The automatic stranding and tying device for hank yarn of a hank shaking machine according to claim 4 is characterized in that: The yarn head and the yarn tail are arranged on the twist rod of the yarn frame and are located at a side close to the threading device.

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