Semi-automatic removing device for tail yarn of bobbin

Abstract

The semi-automatic removing device for the tail yarn of the bobbin comprises a bobbin track, a blocking rod, a tail yarn pipeline and a yarn cutting gun, the bobbin track comprises a bottom supporting plate and an end baffle, the blocking rod is arranged on the bottom supporting plate in a telescopic and penetrating mode, when the blocking rod stretches out upwards, the bobbin can be blocked in a yarn cutting area at the front end of the bottom supporting plate, and the tail yarn can be removed from the tail yarn pipeline. The tail yarn pipeline is arranged below the bobbin track and corresponds to the yarn cutting area, an upper opening of the tail yarn pipeline extends from the bottom supporting plate on one side to the other side, and a lower opening of the tail yarn pipeline is continuously subjected to strong vacuum; the yarn cutting gun is used for spraying high-temperature and high-pressure gas downwards to fuse tail yarn on a yarn tube located in a yarn cutting area, and the fused tail yarn is sucked into a tail yarn pipeline to be removed. When the yarn cutting gun moves for the first time and cannot completely fuse the tail yarn on the bobbin, the broken end of the residual tail yarn is sucked into the tail yarn pipeline, the bobbin can be pulled to rotate to enable the residual tail yarn to be completely separated from the bobbin, or the bobbin is pulled to be kept in a yarn cutting area to wait for secondary yarn cutting, the tail yarn removing efficiency is high, the bobbin is not damaged, and tail yarn removing is more thorough.

Description

Technical Field

[0001] The invention belongs to the technical field of textiles, and in particular relates to a semi-automatic removal device for tail yarn of a bobbin. Background Art

[0002] Yarn tubes are the main components for winding yarns in the textile field. There are huge quantities of them and they generally need to be reused. However, there are usually tail yarns on the used yarn tubes, and the amount of tail yarns on different machines and different production processes is not the same. Before the yarn tubes are reused, the tail yarns need to be removed. The traditional way of removing them is manual removal, which is time-consuming, labor-intensive and inefficient.

[0003] In order to solve this problem, there are devices on the market that specifically remove the tail yarn. For example, Chinese patent CN220392950U discloses a tail yarn removal device. This solution uses a push rod to forcibly push out the yarn tube fixed on the off-line fixing frame to separate it from the tail yarn. Although it can improve the removal efficiency, the yarn tube is easily damaged by extrusion due to its insufficient strength or the tail yarn is too tightly wound, and its application range is narrow. Another example is a new type of non-powered coarse yarn tail yarn decomposition device disclosed in Chinese patent CN220078176U. The tail yarn is physically cut open by a blade. Although it is not limited by the strength of the yarn tube and the degree of winding of the tail yarn, However, it is difficult to control the cutting depth of the blade. If it is too shallow, it is difficult to cut off all the tail yarns. If it is too deep, it is easy to scratch the yarn tube. When in use, the blade edge is prone to blunting, curling, and chipping, and the consistency of tail yarn removal is poor. For example, the yarn tube cleaning device for chlorine-free high-count organic flax yarn production disclosed in Chinese patent CN216728618U realizes tail yarn cleaning and removal through an air flow spray gun, which is not easy to scratch the yarn tube, but this solution is difficult to ensure that all the tail yarns are melted off, especially when the thickness of the tail yarns on the same batch of yarn tubes varies greatly, it is difficult to control the injection parameters and movement parameters of the air flow spray gun. Summary of the invention

[0004] The purpose of the invention is to overcome the shortcomings of the prior art and provide a semi-automatic yarn tail removal device for a bobbin, which has high yarn tail removal efficiency, does not damage the bobbin and removes the yarn tail more thoroughly.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is that the bobbin tail yarn semi-automatic removal device comprises:

[0006] The bobbin track extends obliquely from the upper front to the lower rear, and comprises a bottom support plate and an end baffle plate. The bottom support plate has two parts and corresponds to the parts of the two ends of the bobbin that are not wound with the tail yarn, respectively. The end baffle plate is vertically connected to the end surface of the back side of the bottom support plate, and the end baffle plate is used to level the end surface of the bobbin;

[0007] A blocking rod, the blocking rod extends in a vertical direction, the blocking rod is telescopically arranged on the bottom support plate, when the blocking rod is extended upward, the blocking rod can block the bobbin on the bobbin track, so that the bobbin stays in the yarn cutting area at the front end of the bottom support plate, when the blocking rod is retracted downward, the bobbin can roll backward and downward along the bottom support plate until it leaves the bobbin track;

[0008] A tail yarn duct, the tail yarn duct extends in a vertical direction, the tail yarn duct is arranged below the bobbin track and corresponds to the yarn cutting area, the upper opening of the tail yarn duct extends from the bottom support plate on one side to the bottom support plate on the other side, and the lower opening of the tail yarn duct is continuously passed with a strong vacuum, so that the vacuum degree in the tail yarn duct is maintained at -0.06MPa to -0.08MPa;

[0009] A yarn cutting gun is movably arranged above the yarn tube track and aligned with the upper opening of the tail yarn pipe. The yarn cutting gun is used to spray high-temperature and high-pressure gas downward to melt the tail yarn on the yarn tube located in the yarn cutting area. The melted tail yarn is sucked into the tail yarn pipe to achieve cleaning.

[0010] Preferably, the angle between the plane where the bottom support plate is located and the horizontal plane is 15 to 25 degrees.

[0011] Preferably, the tail yarn duct has a large upper opening and a small lower opening, so that the tail yarn duct is trumpet-shaped.

[0012] Further preferably, the opening on the tail yarn pipe is rectangular, the plane where the opening edge is located is parallel to the bottom support plate, and the distance between the plane and the bottom support plate is 1.1 to 2.0 times the thickness of the tail yarn layer on the yarn tube.

[0013] Preferably, when the blocking rod is extended upward, the upper end surface of the blocking rod is higher than or flush with the corresponding end baffle.

[0014] Preferably, there are two blocking rods, which respectively penetrate the two bottom support plates, and the bottoms of the two blocking rods are connected with a cross beam, and the middle of the cross beam is connected with a first guide rod which extends downward and can move up and down.

[0015] Further preferably, the semi-automatic removal device for the tail yarn of the yarn tube also includes a base frame for setting the yarn tube track, the tail yarn pipe, and the yarn cutting gun, and the base frame is also provided with a driving mechanism for driving the first guide rod to move up and down, and a transmission plate for transmitting the power of the driving mechanism to the first guide rod, the driving mechanism is a combination of a stepping motor and a screw pair, and the two ends of the transmission plate are respectively connected to the bottom of the first guide rod and the screw pair.

[0016] Further preferably, a first sliding sleeve is fixedly provided on the base frame, and the first guide rod is slidably arranged in the first sliding sleeve.

[0017] Further preferably, the yarn cutting gun is connected to the base frame through a combination of a stepping motor and a screw pair.

[0018] Further preferably, the middle portion of the transmission plate is rotatably connected to the base frame, and both ends of the transmission plate are respectively rotatably and slidably connected to the first guide rod and the screw pair to form a lever structure.

[0019] Further preferably, the semi-automatic removal device for the tail yarn of the yarn tube also includes a material storage plate, which is movably arranged at the front end of the yarn tube track, and the two end portions of the material storage plate protrude upward and correspond to the bottom support plate, and the upper surfaces of the two end portions of the material storage plate are parallel to the bottom support plate. When the material storage plate moves upward to the extreme position, the upper surfaces of the two end portions of the material storage plate are higher than the bottom support plate, and the yarn tube on the material storage plate can roll onto the bottom support plate under the action of its own weight. When the material storage plate moves downward to the extreme position, the upper surfaces of the two end portions of the material storage plate are lower than the bottom support plate, and the yarn tube on the material storage plate is maintained on the material storage plate.

[0020] Further preferably, a second guide rod extending downward and movable up and down is connected to the middle of the material storage plate, and the second guide rod rises and falls synchronously with the first guide rod.

[0021] Further preferably, the end of the transmission plate away from the driving mechanism is divided into two branches, one of which is rotatably and slidingly connected to the bottom of the first guide rod, and the other of which is rotatably and slidingly connected to the bottom of the second guide rod.

[0022] Further preferably, a second sliding sleeve is fixedly provided on the base frame, and the second guide rod is slidably arranged in the second sliding sleeve.

[0023] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0024] The semi-automatic yarn tail removal device provided by the present invention comprises: a yarn tube track extending obliquely from the upper front to the lower rear, a blocking rod and a yarn tail pipeline extending in the vertical direction, and a yarn cutting gun which is movably arranged above the yarn tube track and faces the opening of the yarn tail pipeline. The yarn tube track comprises a bottom support plate and an end blocking plate. The blocking rod is telescopically arranged on the bottom support plate. When the blocking rod is extended upward, the yarn tube can be blocked in the yarn cutting area at the front end of the bottom support plate. When the blocking rod is retracted downward, the yarn tube can roll backward and downward along the bottom support plate until it is detached. The yarn tail pipeline is arranged below the yarn tube track and corresponds to the yarn cutting area. The upper opening thereof extends from the bottom support plate on one side to the bottom support plate on the other side, and the lower opening thereof continuously passes a strong vacuum. The yarn cutting gun is used for spraying high-temperature and high-pressure gas downward to melt the yarn tail on the yarn tube located in the yarn cutting area. The melted yarn tail is sucked into the yarn tail pipeline to achieve removal.

[0025] When the yarn cutting gun fails to melt all the tail yarn on the yarn tube during the initial movement, if the remaining tail yarn is small, the broken ends of the remaining tail yarn are sucked into the tail yarn pipe and pull the yarn tube to rotate, so that all the remaining tail yarn is separated from the yarn tube; if the remaining tail yarn is large, the broken ends of the remaining tail yarn are sucked into the tail yarn pipe and pull the yarn tube to keep it in the yarn cutting area waiting for the yarn cutting gun to move again for a second yarn cutting.

[0026] The semi-automatic yarn tail removal device for the yarn tube has high yarn tail removal efficiency, does not damage the yarn tube, and removes the yarn tail more thoroughly. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a left schematic diagram of a bobbin with a tail yarn in the prior art.

[0028] Figure 2 yes Figure 1 Schematic cross-sectional view along the AA direction.

[0029] Figure 3 It is a front view schematic diagram of a preferred embodiment of the present invention.

[0030] Figure 4 , Figure 5 yes Figure 3 A three-dimensional schematic diagram of .

[0031] Figure 6 yes Figure 3 Rear view schematic diagram of .

[0032] Figure 7 yes Figure 3 Schematic cross-sectional view along the BB direction.

[0033] Among them: 1. bobbin; 2. tail yarn; 10. base frame; 11. driving mechanism; 12. transmission plate; 13. first sliding sleeve; 14. second sliding sleeve; 21. bottom support plate; 211. yarn cutting area; 22. end baffle; 30. blocking rod; 31. crossbeam; 32. first guide rod; 40. tail yarn duct; 41. upper opening; 42. lower opening; 50. yarn cutting gun; 51. side support bar; 52. lifting mechanism; 60. storage plate; 61. second guide rod. DETAILED DESCRIPTION

[0034] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art.

[0035] like Figures 3 to 7 As shown, the semi-automatic removal device for the tail yarn of the bobbin provided by the present invention comprises: a base frame 10, a bobbin track, a blocking rod 30, a tail yarn pipeline 40, and a yarn cutting gun 50, wherein the base frame 10 is a frame structure, and the base frame 10 is welded by a plurality of channel steels and a plurality of angle irons; the bobbin track extends obliquely from the front upper direction to the rear lower direction, and the bobbin track comprises a bottom support plate 21 and an end baffle plate 22, the bottom support plate 21 has two pieces and respectively corresponds to the parts of the two ends of the bobbin 1 that are not wound with the tail yarn 2, and the end baffle plate 22 is vertically The end baffle 22 is directly connected to the end surface of the back side of the bottom support plate 21, and the end baffle 22 is used to level the end surface of the bobbin 1. The bobbin track 10 is welded and connected to the top of the base frame 10; the blocking rod 30 extends in the vertical direction, and the blocking rod 30 is telescopically arranged on the bottom support plate 21. When the blocking rod 30 is extended upward, the blocking rod 30 protrudes from the bottom support plate 21, and the upper end surface of the blocking rod 30 is higher than the upper surface of the corresponding end baffle 22. The blocking rod 30 can block the bobbin 1 on the bobbin track to stop it. The yarn cutting area 211 at the front end of the bottom support plate 21 is retained. When the blocking rod 30 is retracted downward, the upper end surface of the blocking rod 30 is lower than the upper surface of the bottom support plate 21, and the yarn tube 1 on the yarn tube track can smoothly roll backward and downward along the bottom support plate 21 until it leaves the yarn tube track; the tail yarn duct 40 extends in the vertical direction, and the tail yarn duct 40 is arranged below the yarn tube track and corresponds to the yarn cutting area 211. The upper opening 41 of the tail yarn duct 40 extends from the bottom support plate 21 on one side to the other side The bottom support plate 21 of the yarn tail pipe 40 continuously passes strong vacuum through the lower opening 42 of the yarn tail pipe 40, so that the vacuum degree in the yarn tail pipe 40 is maintained at -0.06MPa to -0.08MPa; the yarn cutting gun 50 is movably arranged above the yarn tube track and aligned with the upper opening 41 of the yarn tail pipe 40, and the yarn cutting gun 50 is used to spray high-temperature and high-pressure gas downward to melt the yarn tail 2 on the yarn tube 1 located in the yarn cutting area 211, and the melted yarn tail 2 is sucked into the yarn tail pipe 40 to achieve cleaning.

[0036] The advantage of such an arrangement is that, when the yarn cutting gun 50 fails to melt all the tail yarn 2 on the yarn tube 1 during the initial movement, if there is less tail yarn left, the broken ends of the remaining tail yarn are sucked into the tail yarn pipe 40 and the yarn tube 1 is pulled to rotate, so that all the remaining tail yarn is separated from the yarn tube 1. At this time, the yarn tube 1 can continue to roll smoothly backward and downward along the bottom support plate 21. If there is more tail yarn left, the broken ends of the remaining tail yarn are sucked into the tail yarn pipe 40 and the yarn tube 1 is pulled to keep it in the yarn cutting area 211, waiting for the yarn cutting gun 50 to move again for secondary yarn cutting, thereby ensuring that there is no tail yarn 2 left on the yarn tube 1 flowing out of the yarn tube track and the yarn tube 1 is not damaged. The semi-automatic yarn tail removal device for the yarn tube has high tail yarn removal efficiency, does not damage the yarn tube, and removes the tail yarn more thoroughly.

[0037] The angle between the plane where the bottom support plate 21 is located and the horizontal plane is very important. If the angle is too large, the pulling force applied by the tail yarn pipe 40 on the yarn tube 1 through the residual tail yarn break is small, and it is difficult to resist the gravity of the yarn tube 1 itself, and it is impossible to keep it in the yarn cutting area 211 waiting for the second yarn cutting. If the angle is too small, it is difficult for the yarn tube 1 to roll smoothly along the bottom support plate 21, and the smoothness of the yarn cutting operation cannot be guaranteed. Preferably, the angle is 15 to 25 degrees. Specifically, in this embodiment, the angle is 20 degrees.

[0038] In order to improve the adsorption capacity of the tail yarn duct 40 for the broken tail yarn, in the present embodiment, the upper opening 41 of the tail yarn duct 40 is large and the lower opening 42 is small, so that the tail yarn duct 40 is trumpet-shaped. At the same time, the upper opening 41 of the tail yarn duct 40 is rectangular, and the plane where the edge of the mouth is located is parallel to the bottom support plate 21. The distance between the plane and the bottom support plate 21 is 1.1 to 2.0 times the thickness of the tail yarn 2 layer on the yarn tube 1. Furthermore, the area of ​​the upper opening 41 of the tail yarn duct 40 is one-third to two-thirds of the projection of the yarn tube 1 in the up and down directions, which ensures that the fused tail yarn 2 can be completely and quickly sucked into the tail yarn duct 40, and can also ensure the vacuum degree in the tail yarn duct 40, thereby reducing the load of the vacuum system.

[0039] To prevent the bobbin 1 from deflecting, in the present embodiment, there are two blocking rods 30, which respectively penetrate the two bottom support plates 21. The bottoms of the two blocking rods 30 are connected with a cross beam 31, and the middle of the cross beam 31 is connected with a first guide rod 32 which extends downward and can move up and down.

[0040] Furthermore, the base frame 10 is also provided with a driving mechanism 11 for driving the first guide rod 32 to move up and down, and a transmission plate 12 for transmitting the power of the driving mechanism 11 to the first guide rod 32. The driving mechanism 11 is a combination of a stepping motor and a screw pair. The two ends of the transmission plate 12 are respectively connected to the bottom of the first guide rod 32 and the nut of the screw pair.

[0041] In order to prevent the first guide rod 32 from shaking, a first sliding sleeve 13 is further fixedly provided on the base frame 10 , and the first guide rod 32 is slidably inserted into the first sliding sleeve 13 .

[0042] The base frame 10 is also used to set a tail yarn duct 40 and a yarn cutting gun 50. The tail yarn duct 40 is passed through the base frame 10, and its outer wall is connected to the base frame 10. The yarn cutting gun 50 is connected to the base frame 10 through a combination of a stepper motor and a screw pair to achieve left and right movement. Specifically, the stepper motor and the screw pair are supported on the top of the base frame 10 through side support strips 51. To facilitate the adjustment of the cutting force of the yarn cutting gun 50, the yarn cutting gun 50 is further connected to the combination of the stepper motor and the screw pair through a lifting mechanism 52. The lifting mechanism 52 is any one of a spiral lifting mechanism and a sliding rod and sleeve lifting mechanism. Other types of lifting mechanisms can also be selected according to actual conditions. By lifting and lowering the yarn cutting gun 50, it can meet the needs of yarn tubes of different diameters and expand the scope of application.

[0043] The advantage of using a combination of a stepper motor and a screw pair to drive the first guide rod 32 to move up and down and drive the yarn cutting gun 50 to move left and right is that the moving speed can be adjusted according to actual conditions, the beat time can be changed, and the tail yarn removal effect can be ensured.

[0044] In order to further enhance the control over the up and down movement of the first guide rod 32 and ensure the strength, in the present embodiment, the middle portion of the transmission plate 12 is rotatably connected to the base frame 10, and the two ends of the transmission plate 12 are rotatably and slidably connected to the first guide rod 32 and the screw pair respectively to form a lever structure. The rotatable and sliding connection can be achieved by the rotation and sliding of the pin shaft in the waist-shaped groove, which is a prior art and will not be elaborated here.

[0045] To facilitate material loading and material storage, the semi-automatic yarn tail removal device of the yarn tube also includes a material storage plate 60, which can be moved up and down at the front end of the yarn tube track, and the two ends of the material storage plate 60 protrude upward and correspond to the bottom support plate 21. The upper surfaces of the two ends of the material storage plate 60 are parallel to the bottom support plate 21. When the material storage plate 60 moves upward to the extreme position, the upper surfaces of the two ends of the material storage plate 60 are higher than the bottom support plate 21, and the yarn tube 1 on the material storage plate 60 can roll onto the bottom support plate 21 under the action of its own weight to achieve material loading. When the material storage plate 60 moves downward to the extreme position, the upper surfaces of the two ends of the material storage plate 60 are lower than the bottom support plate 21, and the yarn tube 1 on the material storage plate 60 remains on the material storage plate 60 to achieve material storage.

[0046] To facilitate the control of the up and down movement of the storage plate 60, further, the middle part of the storage plate 60 is connected with a second guide rod 61 extending downward and movable up and down, and the second guide rod 61 is raised and lowered synchronously with the first guide rod 32. Specifically, the end of the transmission plate 12 away from the driving mechanism 11 is divided into two branches, one of which is rotatably and slidingly connected to the bottom of the first guide rod 32, and the other is rotatably and slidingly connected to the bottom of the second guide rod 61. The rotatable and sliding connection can be achieved by the rotation and sliding of the pin shaft in the waist-shaped groove, which is a prior art and will not be elaborated here.

[0047] In order to prevent the second guide rod 61 from shaking when it moves up and down, in the present embodiment, a second sliding sleeve 14 is fixedly provided on the base frame 10 , and the second guide rod 61 is slidably inserted into the second sliding sleeve 14 .

[0048] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A semi-automatic removal device for tail yarn of bobbin, characterized in that: include: The bobbin track extends obliquely from the upper front to the lower rear, and comprises a bottom support plate and an end baffle plate. The bottom support plate has two parts and corresponds to the parts of the two ends of the bobbin that are not wound with the tail yarn, respectively. The end baffle plate is vertically connected to the end surface of the back side of the bottom support plate, and the end baffle plate is used to level the end surface of the bobbin; A blocking rod, the blocking rod extends in a vertical direction, the blocking rod is telescopically arranged on the bottom support plate, when the blocking rod is extended upward, the blocking rod can block the bobbin on the bobbin track, so that the bobbin stays in the yarn cutting area at the front end of the bottom support plate, when the blocking rod is retracted downward, the bobbin can roll backward and downward along the bottom support plate until it leaves the bobbin track; A tail yarn duct, the tail yarn duct extends in a vertical direction, the tail yarn duct is arranged below the yarn tube track and corresponds to the yarn cutting area, the upper opening of the tail yarn duct extends from the bottom support plate on one side to the bottom support plate on the other side, and the lower opening of the tail yarn duct is continuously passed through a strong vacuum; A yarn cutting gun is movably arranged above the yarn tube track and aligned with the upper opening of the tail yarn pipe. The yarn cutting gun is used to spray high-temperature and high-pressure gas downward to melt the tail yarn on the yarn tube located in the yarn cutting area. The melted tail yarn is sucked into the tail yarn pipe to achieve cleaning.

2. The semi-automatic removal device for the tail yarn of the bobbin according to claim 1 is characterized in that: The angle between the plane where the bottom support plate is located and the horizontal plane is 15 to 25 degrees.

3. The semi-automatic removal device for the tail yarn of the bobbin according to claim 1 is characterized in that: The tail yarn pipeline has a large upper opening and a small lower opening, so that the tail yarn pipeline is in a trumpet shape.

4. The semi-automatic removal device for the tail yarn of the bobbin according to claim 3 is characterized in that: The opening on the tail yarn pipe is rectangular, and the plane where the opening edge is located is parallel to the bottom support plate. The distance between the plane and the bottom support plate is 1.1 to 2.0 times the thickness of the tail yarn layer on the yarn tube.

5. The semi-automatic removal device for the tail yarn of the bobbin according to claim 1 is characterized in that: When the blocking rod is extended upward, the upper end surface of the blocking rod is higher than or flush with the corresponding end baffle.

6. The semi-automatic removal device for the tail yarn of the bobbin according to claim 1 is characterized in that: There are two blocking rods, which respectively penetrate the two bottom support plates. The bottoms of the two blocking rods are connected with cross beams, and the middle of the cross beams is connected with a first guide rod which extends downward and can move up and down.

7. The semi-automatic removal device for the tail yarn of the bobbin according to claim 6 is characterized in that: The semi-automatic removal device for the tail yarn of the yarn tube also includes a base frame for setting the yarn tube track, the tail yarn pipeline, and the yarn cutting gun. The base frame is also provided with a driving mechanism for driving the first guide rod to move up and down, and a transmission plate for transmitting the power of the driving mechanism to the first guide rod. The driving mechanism is a combination of a stepping motor and a screw pair, and the two ends of the transmission plate are respectively connected to the bottom of the first guide rod and the screw pair.

8. The semi-automatic removal device for the tail yarn of the bobbin according to claim 7 is characterized in that: The base frame is fixedly provided with a first sliding sleeve, and the first guide rod is slidably arranged in the first sliding sleeve.

9. The semi-automatic removal device for the tail yarn of the bobbin according to claim 7 is characterized in that: The yarn cutting gun is connected to the base frame through a combination of a stepping motor and a screw rod pair.

10. The semi-automatic removal device for the tail yarn of the bobbin according to claim 7, characterized in that: The middle part of the transmission plate is rotatably connected to the base frame, and the two ends of the transmission plate are respectively rotatably and slidably connected to the first guide rod and the screw rod pair to form a lever structure.

11. The semi-automatic removal device for the tail yarn of the bobbin according to claim 10, characterized in that: The semi-automatic removal device for the tail yarn of the bobbin also includes a material storage plate, which is movably arranged at the front end of the bobbin track, and the two end portions of the material storage plate protrude upward and correspond to the bottom support plate. The upper surfaces of the two end portions of the material storage plate are parallel to the bottom support plate. When the material storage plate moves upward to the extreme position, the upper surfaces of the two end portions of the material storage plate are higher than the bottom support plate, and the bobbin on the material storage plate can roll onto the bottom support plate under the action of its own weight. When the material storage plate moves downward to the extreme position, the upper surfaces of the two end portions of the material storage plate are lower than the bottom support plate, and the bobbin on the material storage plate is maintained on the material storage plate.

12. The semi-automatic removal device for the tail yarn of the bobbin according to claim 11, characterized in that: A second guide rod extending downward and movable up and down is connected to the middle of the material storage plate, and the second guide rod rises and falls synchronously with the first guide rod.

13. The semi-automatic removal device for the tail yarn of the bobbin according to claim 12, characterized in that: The end of the transmission plate away from the driving mechanism is divided into two branches, one of which is rotatably and slidingly connected to the bottom of the first guide rod, and the other is rotatably and slidingly connected to the bottom of the second guide rod.

14. The semi-automatic removal device for the tail yarn of the bobbin according to claim 11, characterized in that: The base frame is fixedly provided with a second sliding sleeve, and the second guide rod is slidably inserted into the second sliding sleeve.

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