Winding device of two-for-one twister

Abstract

The utility model relates to a winding device of a two-for-one twister. The winding device comprises a rack, a rotating part and a twisting roller, the twisting roller is rotationally connected to the rack, the rotating part is connected with a connecting sleeve, the connecting sleeve is slidably connected to the rack in the length direction of the twisting roller, the rotating part is connected with a locking assembly, and the locking assembly is used for locking the connecting sleeve to the rack and driving the connecting sleeve to be arranged on the twisting roller in a sleeving mode. After winding is completed, the connecting sleeve is moved in the length direction of the thread twisting roller, so that the connecting sleeve is far away from the thread twisting roller, and the thread twisting roller is convenient to disassemble.

Description

Technical Field

[0001] This application relates to the field of double twisters, and more particularly to a winding device for a double twister. Background Technology

[0002] Yarn is a textile product made from various textile fibers processed to a certain fineness, used for weaving, rope making, thread making, knitting, and embroidery. Flame-retardant yarn is a specially manufactured yarn with excellent high-temperature resistance, capable of preventing the spread of fire. Flame-retardant yarn is widely used in the textile industry in high-fire-risk locations, such as aerospace, automotive, and construction. During yarn production, a doubling machine is typically used to increase the yarn's twist.

[0003] A doubling twister is a twisting device, essentially a yarn-combining device (combining multiple strands into one), called a yarn-combining machine. It can achieve two twists in one turn, and the twisting efficiency is several times higher than that of traditional yarn-twisting equipment.

[0004] Authorization announcement number CN220265969U discloses a fully intelligent automatic textile twisting machine, including a twisting machine. The inner wall of the twisting machine is provided with a winding mechanism. The winding mechanism includes: a spindle coil, a round rod, a reciprocating screw, a transmission rod, and a motor. A limit mechanism is provided on the surface of the transmission rod. The limit mechanism includes: a winding roller. The transmission rod passes through the inner wall of the winding roller and is rotatably connected to the winding roller.

[0005] The aforementioned technologies have drawbacks, such as the inconvenience of disassembling the take-up roller, which requires a significant amount of time and manpower and impacts work efficiency. Utility Model Content

[0006] To make the disassembly of the take-up roller more convenient and improve work efficiency, this application provides a take-up device for a doubling machine.

[0007] The winding device of the double twister provided in this application adopts the following technical solution:

[0008] A winding device for a doubling twister includes a frame, a rotating component, and a twisting roller. The twisting roller is rotatably connected to the frame. The rotating component drives the twisting roller to rotate. The rotating component is connected to a connecting sleeve. The central axis of the connecting sleeve is collinear with the central axis of the twisting roller. The connecting sleeve is slidably connected to the frame along the length of the twisting roller. The rotating component is connected to a locking assembly. The locking assembly locks the connecting sleeve to the rotating component and drives the connecting sleeve to be fitted onto the twisting roller.

[0009] By adopting the above technical solution, during use, the rotating component drives the twisting roller to rotate, thereby causing the yarn to wind around the twisting roller. After winding, the connecting sleeve is moved along the length direction of the twisting roller, so that the connecting sleeve is away from the twisting roller, thereby facilitating the disassembly of the twisting roller. When installing the twisting roller, the connecting sleeve is moved along the length direction of the twisting roller, so that one end of the connecting sleeve is fitted onto one end of the twisting roller, and the connecting sleeve is stably connected to the frame by the locking component, so that the connecting sleeve is stably connected to the twisting roller, thereby facilitating the rotating component to drive the connecting sleeve and the twisting roller.

[0010] Optionally, the rotating component is a first motor, the output shaft of the first motor is connected to a connecting rod, the length direction of the connecting rod is consistent with the length direction of the twisting roller, one end of the connecting rod along its length direction is connected to the output shaft of the first motor, the first motor is connected to the frame, the connecting rod is rotatably connected to the frame, the end of the connecting sleeve away from the twisting roller is slidably sleeved on the connecting rod, the central axis of the connecting rod is collinear with the central axis of the connecting sleeve, an installation groove is formed on the periphery of the connecting rod, the length direction of the installation groove is consistent with the radial direction of the connecting rod, the locking assembly includes a first spring and a locking block, the length direction of the first spring is consistent with the length direction of the installation groove, one end of the first spring along its length direction is connected to the inner wall of the installation groove, the other end of the first spring is connected to the locking block, the locking block is slidably connected in the installation groove along the length direction of the installation groove, a locking hole is formed on the inner wall of the connecting sleeve near the connecting rod, the locking block passes through the installation groove along the length direction and is slidably connected in the locking hole.

[0011] By adopting the above technical solution, during use, the first motor drives the connecting rod to rotate, the connecting rod drives the connecting sleeve to rotate, and the twisting roller follows the rotation of the connecting sleeve, so that the yarn is wound around the twisting roller. When disassembling the twisting roller, the locking block is pressed along the length direction of the mounting groove, so that the locking block is embedded in the mounting groove, and the locking block squeezes the first spring and drives the first spring to deform, so that the connecting sleeve can slide along its length direction to connect to the connecting rod, and so that the connecting sleeve is away from the twisting roller, thus facilitating the replacement of the twisting roller.

[0012] Optionally, a limiting block is connected to the inner wall of the connecting sleeve, the length direction of the limiting block is consistent with the length direction of the connecting sleeve, and a limiting groove is opened on the periphery of the twisting roller, the length direction of the limiting groove is consistent with the length direction of the twisting roller, and the limiting block is slidably connected to the limiting groove along its length direction.

[0013] By adopting the above technical solution, when in use, the limiting block is embedded in the limiting groove, and the limiting effect of the limiting block and the limiting groove makes the connecting sleeve rotate stably in a predetermined direction.

[0014] Optionally, the frame is connected to a support block, which is located directly below the twisting roller.

[0015] By adopting the above technical solution and adding a support block, the support block supports the twisting roller when it is disassembled, which can minimize the possibility of the twisting roller falling and reduce the damage caused by the falling of the twisting roller.

[0016] Optionally, a support rod is connected to the bottom of the support block, the length direction of which is consistent with the length direction of the twisting roller. A movable block is connected to the end of the support rod away from the support block. The frame has a movable groove, which is horizontally arranged. The movable block is slidably connected to the movable groove along its length direction. The frame also has a sliding groove, the length direction of which is vertically movable. One end of the movable groove along its length direction is connected to the top of the sliding groove. The movable block is slidably connected to the sliding groove along its vertical direction. The frame is connected to a moving component, which is used to drive the movable block to slide along its vertical direction into the sliding groove. The frame is also connected to a pushing component, which is used to push the movable block to move along the length direction of the movable groove and drive the movable block into the sliding groove.

[0017] By adopting the above technical solution, after the twisting roller is disassembled, the twisting roller is placed on top of the bearing block. The pushing component drives the moving block to move along the length of the moving groove, and makes the moving block approach the sliding groove. When the moving block enters the sliding groove, the moving component drives the moving block to slide and connect with the sliding groove in the vertical direction, thereby driving the bearing block and the twisting roller to move downward in the vertical direction, which makes it easier for the operator to handle the twisting roller.

[0018] Optionally, the moving component includes a lead screw, a slider, and a second motor. The length direction of the lead screw is consistent with the vertical direction. The lead screw is rotatably connected to a sliding groove. The slider is threaded onto the lead screw and is slidably connected to the sliding groove in the vertical direction. The second motor is connected to the frame, and the output shaft of the second motor is connected to one end of the lead screw. The slider has a connecting groove for the moving block to be embedded.

[0019] By adopting the above technical solution, when disassembling the twisting roller, the pusher pushes the moving block to move, and the moving block is embedded in the connecting groove. After the moving block is embedded in the connecting groove, the second motor drives the lead screw to rotate, so that the slider moves downward in the vertical direction, thereby driving the moving block to move downward in the vertical direction, which makes it easier for the operator to handle the twisting roller.

[0020] Optionally, the pushing component is a first cylinder, which is connected to the frame. The piston rod of the first cylinder passes through the inner wall of the moving groove away from the sliding groove along the length of the moving groove. The piston rod of the first cylinder is connected to a fixed rod. The fixed rod is connected to a first magnetic block at the end away from the first cylinder. The moving block is connected to a second magnetic block on the side closer to the first cylinder. When the fixed rod and the moving block are close, the first magnetic block and the second magnetic block attract each other.

[0021] By adopting the above technical solution, after the twisting roller is disassembled, the twisting roller is placed on top of the support block, and the fixed rod and the moving block are connected through the first magnetic block and the second magnetic block. The first cylinder pushes the moving block to move and drives the moving block to embed into the connecting groove. When the moving block is embedded in the connecting groove, the moving component drives the moving block to move downward in the vertical direction, so that the moving block moves away from the moving groove. Under the guidance of the inner wall of the moving groove and the inner wall of the sliding groove, the first magnetic block and the second magnetic block move away from each other, so that the support block and the twisting roller move with the moving block. The fixed rod and the moving block are connected through the first magnetic block and the second magnetic block, which facilitates the disassembly and assembly of the first cylinder and the moving block.

[0022] Optionally, a placement groove is provided at the top of the support block, and the placement groove is arranged in an arc shape.

[0023] By adopting the above technical solution and adding a placement groove, the twisting roller can be stably placed on top of the support block.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] 1. After winding, move the connecting sleeve along the length of the twisting roller to move it away from the twisting roller, so as to facilitate the disassembly of the twisting roller. When installing the twisting roller, move the connecting sleeve along the length of the twisting roller so that one end of the connecting sleeve is fitted onto one end of the twisting roller, and use the locking component to stably connect the connecting sleeve to the frame, so that the connecting sleeve is stably connected to the twisting roller, so as to facilitate the rotating parts to drive the connecting sleeve and the twisting roller.

[0026] 2. In use, the first motor drives the connecting rod to rotate, the connecting rod drives the connecting sleeve to rotate, and the twisting roller follows the rotation of the connecting sleeve, so that the yarn is wound around the twisting roller. When disassembling the twisting roller, press the locking block along the length of the mounting groove so that the locking block is embedded in the mounting groove, and the locking block squeezes the first spring and drives the first spring to deform, so that the connecting sleeve can slide along its length to connect to the connecting rod and move the connecting sleeve away from the twisting roller, so as to facilitate the replacement of the twisting roller.

[0027] 3. Add a support block. When the twisting roller is disassembled, the support block supports the twisting roller to avoid the twisting roller falling and reduce the damage caused by the twisting roller falling. Attached Figure Description

[0028] Figure 1 This is a three-dimensional structural diagram of this embodiment.

[0029] Figure 2 This is a top view of this embodiment.

[0030] Figure 3 This is the embodiment. Figure 2 Sectional view along the AA direction

[0031] Figure 4 This is the embodiment. Figure 3 Enlarged view of section D

[0032] Figure 5 This is the embodiment. Figure 2 Sectional view along the middle BB direction

[0033] Figure 6 This is the embodiment. Figure 2 A cross-sectional view along the CC direction.

[0034] Explanation of reference numerals in the attached drawings: 100, frame; 110, first motor; 120, bearing block; 121, placement groove; 130, support rod; 140, moving block; 141, second magnetic block; 150, moving groove; 160, sliding groove; 170, first cylinder; 171, fixing rod; 172, first magnetic block; 200, twisting roller; 210, limiting groove; 300, connecting sleeve; 310, first set; 311, limiting block; 320, second set; 321, locking hole; 400, connecting rod; 410, mounting groove; 500, locking assembly; 510, first spring; 520, locking block; 600, moving assembly; 610, lead screw; 620, slider; 621, connecting groove; 630, second motor. Detailed Implementation

[0035] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0036] This application discloses a winding device for a doubling twister. (Refer to...) Figure 1 and Figure 2 A winding device for a doubling twister includes a frame 100, a rotating component, and a twisting roller 200. The twisting roller 200 is horizontally arranged. The rotating component is connected to the frame 100 and drives the twisting roller 200 to rotate. Connecting sleeves 300 are provided at both ends of the twisting roller 200 along its length, and the connecting sleeves 300 are rotatably connected to the frame 100. The rotating component drives one connecting sleeve 300 to rotate. The central axis of the connecting sleeve 300 is collinear with the central axis of the twisting roller 200, and the connecting sleeve 300 is slidably connected to the frame 100 along its length.

[0037] When disassembling the twisting roller 200, move the connecting sleeve 300 along the length of the twisting roller 200 so that the connecting sleeve 300 is away from the twisting roller 200, thereby facilitating the replacement of the twisting roller 200.

[0038] Reference Figure 1 and Figure 3The connecting sleeve 300 includes a first sleeve 310 and a second sleeve 320. The central axis of the first sleeve 310 is collinear with the central axis of the second sleeve 320, and the central axis of the first sleeve 310 is collinear with the central axis of the twisting roller 200. The first sleeve 310 is connected to the end of the second sleeve 320 near the twisting roller 200. The outer diameter of the first sleeve 310 is larger than the outer diameter of the second sleeve 320, and the inner diameter of the first sleeve 310 is larger than the inner diameter of the second sleeve 320. The first sleeve 310 is slidably sleeved on one end of the twisting roller 200, and the second sleeve 320 passes through it along its length and is rotatably connected to the frame 100.

[0039] Reference Figure 3 The inner wall of the first set 310 is connected to a limiting block 311. The length direction of the limiting block 311 is consistent with the length direction of the connecting sleeve 300. A limiting groove 210 is formed on the periphery of the twisting roller 200 near one end of the first set 310. The length direction of the limiting groove 210 is consistent with the length direction of the twisting roller 200. The limiting groove 210 is set to open along its length direction and near one end of the first set 310. The limiting block 311 is slidably connected to the limiting groove 210 along its length direction.

[0040] Reference Figure 3 and Figure 4 The second sleeve 320 is connected to a connecting rod 400 at the end furthest from the first sleeve 310. The second sleeve 320 is slidably sleeved on the connecting rod 400. The central axis of the connecting rod 400 is collinear with the central axis of the second sleeve 320. The connecting rod 400 is rotatably connected to the frame 100. The rotating component is a first motor 110, which is connected to the frame 100, and its output shaft is connected to a connecting rod 400. The central axis of the output shaft of the first motor 110 is collinear with the central axis of the connecting rod 400. The connecting rod 400 is connected to a locking assembly 500, which locks the connecting sleeve 300 to the frame 100 and drives the connecting sleeve 300 to be sleeved on the twisting roller 200.

[0041] Reference Figure 3 and Figure 4A mounting groove 410 is provided on the circumference of the connecting rod 400, and the length direction of the mounting groove 410 is consistent with the radial direction of the connecting rod 400. The locking assembly 500 includes a first spring 510 and a locking block 520. The length direction of the first spring 510 is consistent with the length direction of the mounting groove 410. One end of the first spring 510 is connected to the inner wall of the mounting groove 410 along its length direction, and the other end of the first spring 510 is connected to the locking block 520. The locking block 520 is slidably connected to the mounting groove 410 along its length direction. A locking hole 321 is provided on the inner wall of the second set 320 near the end of the connecting rod 400. The depth direction of the locking hole 321 is consistent with the length direction of the mounting groove 410. The locking block 520 passes through the mounting groove 410 along its length direction and is slidably connected to the locking hole 321. When the locking block 520 passes through the locking hole 321, the first set 310 is fitted onto the twisting roller 200.

[0042] When disassembling the twisting roller 200, press the locking block 520 so that the locking block 520 is embedded in the mounting groove 410, thereby facilitating the second set 320 to slide along its length direction and connect to the connecting rod 400, which facilitates the movement of the first set 310 away from the twisting roller 200 and makes it easier to replace the twisting roller 200.

[0043] Reference Figure 3 The frame 100 is connected to a support block 120. There are two support blocks 120, which are spaced apart along the length of the twisting roller 200. The support blocks 120 are located directly below the twisting roller 200 and are used to support both ends of the twisting roller 200. The top of the support block 120 is provided with a placement groove 121, which is an arc-shaped groove and is open at both ends along the length of the twisting roller 200.

[0044] Reference Figure 1 and Figure 3 A support rod 130 is connected to the bottom of the support block 120. The length direction of the support rod 130 is consistent with the length direction of the twisting roller 200. A movable block 140 is connected to the end of the support rod 130 along its length away from the support block 120. The frame 100 has a movable groove 150, which is horizontally set. The length direction of the movable groove 150 is consistent with the width direction of the twisting roller 200. The length direction of the movable block 140 is consistent with the length direction of the movable groove 150. The movable block 140 is embedded in the movable groove 150 and is slidably connected to the movable groove 150 along its length direction. The frame 100 has a sliding groove 160, which moves vertically along its length direction. One end of the movable groove 150 along its length direction is connected to the top of the sliding groove 160. The movable block 140 is slidably connected to the sliding groove 160 along its vertical direction.

[0045] Reference Figure 1 and Figure 5The frame 100 is connected to a pusher, which is a first cylinder 170. The first cylinder 170 is connected to the frame 100, and its piston rod passes through the inner wall of the end of the moving groove 150 away from the sliding groove 160 along the length direction of the moving groove 150. The piston rod of the first cylinder 170 is connected to a fixed rod 171, the length direction of which is consistent with the length direction of the moving groove 150. The fixed rod 171, away from the first cylinder 170, contacts the moving block 140. A first magnet 172 is embedded at the end of the fixed rod 171 away from the first cylinder 170, and a second magnet 141 is embedded on the side of the moving block 140 near the first cylinder 170. When the fixed rod 171 approaches the moving block 140, the first magnet 172 and the second magnet 141 attract each other.

[0046] Reference Figure 1 and Figure 6 A movable component 600 is connected to the frame 100. The movable component 600 is used to drive the movable block 140 to slide vertically within the sliding groove 160. The movable component 600 includes a lead screw 610, a slider 620, and a second motor 630. The length direction of the lead screw 610 is consistent with the vertical direction, and its two ends are rotatably connected to the corresponding inner walls of the sliding groove 160. The slider 620 is threaded onto the lead screw 610 and slides vertically within the sliding groove 160. The second motor 630 is connected to the frame 100 and is located above the lead screw 610. The output shaft of the second motor 630 is connected to the top of the lead screw 610. The slider 620 has a connecting groove 621 for the movable block 140 to be inserted. The length direction of the connecting groove 621 is consistent with the length direction of the sliding groove 150, and the connecting groove 621 is open along its length and near one end of the sliding groove 150.

[0047] After the twisting roller 200 is disassembled, the bearing block 120 supports both ends of the twisting roller 200. The first cylinder 170 pushes the moving block 140 to move along the length of the moving groove 150, so that the moving block 140 approaches the sliding groove 160 and drives the moving block 140 into the connecting groove 621. After the moving block 140 enters the connecting groove 621, the second motor 630 drives the lead screw 610 to rotate, and causes the slider 620 to move downward in the vertical direction. The moving block 140 follows the slider 620 to move downward, driving the bearing block 120 and the twisting roller 200 to move downward in the vertical direction, so as to facilitate the operator to move the twisting roller 200.

[0048] The implementation principle of the winding device of the twisting machine according to the embodiments of this application is as follows: In use, the first set 310 is sleeved on one end of the twisting roller 200. The first motor 110 drives the connecting sleeve 300 to rotate, so that the twisting roller 200 rotates and the yarn is wound on the twisting roller 200. After winding, the locking block 520 is pressed along the length direction of the mounting groove 410, so that the locking block 520 is away from the locking hole 321 and embedded in the mounting groove 410. The locking block 520 compresses the first spring 510, so that the first spring 510 deforms, thereby facilitating the sliding connection of the second set 320 to the connecting rod 400 along its length direction. The first set 310 moves with the second set 320, so that the first set 310 is away from the twisting roller 200, thereby facilitating the disassembly of the twisting roller 200. When replacing the twisting roller 200, the connecting sleeve 300 is moved along the length of the connecting sleeve 300 so that the connecting sleeve 300 is close to the twisting roller 200 and the first sleeve 310 is fitted onto the twisting roller 200. The second sleeve 320 moves with the first sleeve 310 so that the locking block 520 is close to the locking hole 321. When the locking block 520 is close to the locking hole 321, the first spring 510 returns to its shape and pushes the locking block 520 through the locking hole 321, so that the second sleeve 320 is stably connected to the connecting rod 400, and the twisting roller 200 is stably connected to the connecting sleeve 300, thereby facilitating the replacement of the twisting roller 200.

[0049] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A winding device for a doubling twister, comprising a frame (100), a rotating component, and a twisting roller (200), wherein the twisting roller (200) is rotatably connected to the frame (100), and the rotating component is used to drive the twisting roller (200) to rotate, characterized in that: The rotating component is connected to a connecting sleeve (300), the central axis of the connecting sleeve (300) is collinear with the central axis of the twisting roller (200), the connecting sleeve (300) is slidably connected to the frame (100) along the length direction of the twisting roller (200), the rotating component is connected to a locking component (500), the locking component (500) is used to lock the connecting sleeve (300) to the rotating component and drive the connecting sleeve (300) to be fitted onto the twisting roller (200).

2. The winding device of a doubling twister according to claim 1, characterized in that: The rotating component is a first motor (110). The output shaft of the first motor (110) is connected to a connecting rod (400). The length direction of the connecting rod (400) is consistent with the length direction of the twisting roller (200). One end of the connecting rod (400) along its length direction is connected to the output shaft of the first motor (110). The first motor (110) is connected to the frame (100). The connecting rod (400) is rotatably connected to the frame (100). The end of the connecting sleeve (300) away from the twisting roller (200) is slidably sleeved on the connecting rod (400). The central axis of the connecting rod (400) is collinear with the central axis of the connecting sleeve (300). An installation groove (410) is provided on the periphery of the connecting rod (400). The installation groove (410) is long. The locking assembly (500) includes a first spring (510) and a locking block (520). The length direction of the first spring (510) is consistent with the length direction of the mounting groove (410). One end of the first spring (510) along its length direction is connected to the inner wall of the mounting groove (410), and the other end of the first spring (510) is connected to the locking block (520). The locking block (520) is slidably connected to the mounting groove (410) along its length direction. The inner wall of the connecting sleeve (300) near the connecting rod (400) is provided with a locking hole (321). The locking block (520) passes through the mounting groove (410) along its length direction and is slidably connected to the locking hole (321).

3. The winding device of a doubling twister according to claim 1, characterized in that: The inner wall of the connecting sleeve (300) is connected to a limiting block (311), the length direction of the limiting block (311) is consistent with the length direction of the connecting sleeve (300), a limiting groove (210) is opened on the periphery of the twisting roller (200), the length direction of the limiting groove (210) is consistent with the length direction of the twisting roller (200), and the limiting block (311) is slidably connected in the limiting groove (210) along its length direction.

4. The winding device of a doubling twister according to claim 1, characterized in that: The frame (100) is connected to a support block (120), which is located directly below the twisting roller (200).

5. The winding device of a doubling twister according to claim 4, characterized in that: The support block (120) is connected to a support rod (130) at its bottom. The length direction of the support rod (130) is consistent with the length direction of the twisting roller (200). A movable block (140) is connected to the end of the support rod (130) away from the support block (120). The frame (100) has a movable groove (150) which is horizontally set. The movable block (140) is slidably connected to the movable groove (150) along its length direction. The frame (100) has a sliding groove (160) which is parallel to the vertical direction. The moving groove (150) is connected to the top of the sliding groove (160) at one end along its length direction. The moving block (140) is slidably connected to the sliding groove (160) in the vertical direction. The frame (100) is connected to a moving component (600). The moving component (600) is used to drive the moving block (140) to slide in the sliding groove (160) in the vertical direction. The frame (100) is connected to a pusher. The pusher is used to push the moving block (140) to move along the length direction of the moving groove (150) and drive the moving block (140) into the sliding groove (160).

6. The winding device of a doubling twister according to claim 5, characterized in that: The moving component (600) includes a lead screw (610), a slider (620), and a second motor (630). The length direction of the lead screw (610) is consistent with the vertical direction. The lead screw (610) is rotatably connected in a sliding groove (160). The slider (620) is threaded onto the lead screw (610) and is slidably connected in the sliding groove (160) in the vertical direction. The second motor (630) is connected to the frame (100). The output shaft of the second motor (630) is connected to one end of the lead screw (610). The slider (620) has a connecting groove (621) for the moving block (140) to be embedded.

7. The winding device of a doubling twister according to claim 5, characterized in that: The pushing component is a first cylinder (170), which is connected to the frame (100). The piston rod of the first cylinder (170) passes through the inner wall of the moving groove (150) away from the sliding groove (160) along the length direction of the moving groove (150). The piston rod of the first cylinder (170) is connected to a fixed rod (171). The fixed rod (171) is connected to a first magnetic block (172) at the end away from the first cylinder (170). The moving block (140) is connected to a second magnetic block (141) on the side close to the first cylinder (170). When the fixed rod (171) and the moving block (140) are close, the first magnetic block (172) and the second magnetic block (141) attract each other.

8. The winding device of a doubling twister according to claim 4, characterized in that: The top of the support block (120) is provided with a placement groove (121), which is an arc-shaped groove.

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