Fixing device of flax yarn rewinding machine

Abstract

The utility model relates to the technical field of flax yarn rewinding machines, in particular to a fixing device of a flax yarn rewinding machine, which not only is convenient to fix a winding shaft and simple to operate, but also enables yarns to be tightly wound on the winding shaft and improves the winding effect by arranging the fixing device of the flax yarn rewinding machine. Comprising a bottom plate and a fixing device installed at the top end of the bottom plate. The fixing device comprises a door-shaped plate, four sets of fixing blocks, four sets of springs, four sets of telescopic rods, a moving plate, two sets of fixing plates, a first rotating shaft, a driving roller, a first motor, two sets of second rotating shafts, two sets of restraining rollers, a third electric push rod, two sets of hooks, a power mechanism, a guide mechanism, a cutting device and a lifting device, and the door-shaped plate is installed on the left side of the top end of the bottom plate; the cutting device is installed in the middle of the top end of the bottom plate, and the lifting device is installed on the left side of the top end of the bottom plate and located in the center below the two restraining rollers.

Description

Technical Field

[0001] The utility model relates to the technical field of linen yarn rewinding machines, in particular to a fixing device of a linen yarn rewinding machine. Background Art

[0002] The linen yarn rewinding machine is a machine used to rewind small rolls of yarn into large rolls of yarn. This machine is usually used in textile mills, linen yarn production enterprises, etc. It can improve production efficiency, reduce manual operations, and reduce production costs. The main function of the linen yarn rewinding machine is to rewind, stretch, and shape small rolls of yarn to turn them into large rolls of yarn, which is convenient for subsequent production and processing.

[0003] However, the yarn rewinding shaft of the existing linen yarn rewinding machine is fixed by bolts and other component structures, which is relatively cumbersome to fix on the rewinding device, thereby affecting its working efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a fixing device for a linen yarn rewinding machine, which not only facilitates the fixing of the reeling shaft and is simple to operate, but also can tightly wind the yarn around the reeling shaft, thereby improving its reeling effect.

[0005] The utility model discloses a fixing device of a linen yarn rewinding machine, comprising a base plate and a fixing device, the fixing device being mounted on the top of the base plate, the fixing device comprising a door-type plate, four groups of fixing blocks, four groups of springs, four groups of telescopic rods, a movable plate, two groups of fixing plates, a first rotating shaft, a driving roller, a first motor, two groups of second rotating shafts, two groups of constraint rollers, a third electric push rod, two groups of hooks, a power mechanism, a guide mechanism, a cutting device and a lifting device, the door-type plate being mounted on the left side of the top of the base plate, the four groups of fixing blocks being evenly mounted on the top inner end of the door-type plate, the bottom ends of the four groups of fixing blocks being all provided with telescopic grooves, the four groups of telescopic rods being respectively slidably connected to the telescopic grooves of the four groups of fixing blocks, the four groups of springs being respectively sleeved on the outsides of the four groups of telescopic rods, the top ends of the four groups of springs being connected to the bottom ends of the four groups of fixing blocks, the bottom ends of the four groups of springs being connected to the top of the movable plate, the bottom ends of the four groups of telescopic rods being connected to the top of the movable plate The two ends are connected, the two sets of fixed plates are symmetrically installed on the front side and the rear side of the bottom end of the moving plate, the first rotating shaft is rotatably installed on the two sets of fixed plates, the driving roller is sleeved in the middle of the first rotating shaft, the first motor is installed at the front end of the front fixed plate, the output end of the first motor passes through the front fixed plate and is connected to the front end of the first rotating shaft, the two sets of second rotating shafts are installed on the power mechanism, the two sets of constraint rollers are respectively installed on the two sets of second rotating shafts, the two sets of constraint rollers correspond to the positions of the driving rollers, the power mechanism is installed on the door plate, the guide mechanism is installed on the right side of the top of the bottom plate, the cutting device is installed in the middle of the top of the bottom plate, the lifting device is installed on the left side of the top of the bottom plate, the lifting device is located at the center below the two sets of constraint rollers, the output end of the third electric push rod passes through the top of the door plate and extends into its interior, and the two sets of hooks are rotatably installed on the output end of the third electric push rod (28) and the middle of the top of the moving plate.

[0006] Preferably, the power mechanism includes four groups of sliders, two groups of door frames, a second motor, two groups of pulleys, belts and two groups of bidirectional screws. The lower sides of the front and rear door panels are connected and provided with slots, the four groups of sliders slide in the two groups of card slots of the door panels respectively, and the two groups of bidirectional screws are rotatably installed in the two groups of card slots of the door panels. The left ends of the two groups of bidirectional screws pass through the door panels and extend to the left sides of the door panels. The middle parts of the four groups of sliders are connected and provided with threaded holes, and the four groups of sliders are threadedly connected with the two groups of bidirectional screws respectively. The two groups of door frames are respectively installed on the front and rear sides of the left ends of the door panels, the second motor is installed at the left end of the front door frame, and the output end of the second motor passes through the front door frame and is connected with the left end of the front bidirectional screw. The two groups of pulleys are respectively installed on the left sides of the two groups of bidirectional screws and are located on the outside of the door panels. The two groups of pulleys are synchronously driven by belts, and the two groups of second rotating shafts are rotatably installed on the two groups of sliders on the left and the two groups of sliders on the right.

[0007] Preferably, the guide mechanism includes two sets of vertical plates and two sets of guide rollers. The two sets of vertical plates are symmetrically installed on the right side of the top of the bottom plate, and the two sets of guide rollers are rotatably installed on the upper and lower sides of the inner ends of the two sets of vertical plates.

[0008] Preferably, the cutting device includes a first electric push rod, a connecting rod and a laser cutting knife, the first electric push rod is installed in the middle of the top of the base plate, the connecting rod is installed at the output end of the first electric push rod, and the laser cutting knife is installed at the top of the connecting rod.

[0009] Preferably, the lifting device includes a second electric push rod, a support plate, two sets of limit blocks and two sets of limit rods. The second electric push rod is installed in the middle left part of the top of the base plate. The output end of the second electric push rod is connected to the bottom end of the support plate. The two sets of limit blocks are symmetrically installed on the left side of the top of the base plate. The tops of the two sets of limit blocks are provided with slide grooves. The two sets of limit rods are respectively slidably connected to the slide grooves of the two sets of limit blocks. The tops of the two sets of limit rods are connected to the bottom end of the support plate. The support plate is located between the two sets of constraint rollers.

[0010] Preferably, the top end of the support plate is configured as a curved surface.

[0011] Preferably, a rubber sleeve is provided on the outer side of the driving roller.

[0012] Preferably, a non-slip pad is provided on the top of the support plate.

[0013] The second gear wheel is rotated by the second gear wheel, and the second gear wheel is rotated by the third gear wheel, and the second gear wheel is rotated by the third gear wheel. The two gear wheels are rotated by the third gear wheel, and the two gear wheels are rotated by the third gear wheel. The guide device is in a compressed state, and the lifting device is then opened, and the lifting device drags the winding shaft with the yarn wound on it to move upward, and the staff takes out the winding shaft with the yarn wound on it. By setting this device, it is not only convenient to fix the winding shaft and the operation is simple, but also the yarn can be tightly wound around the winding shaft, thereby improving its winding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic structural diagram of the utility model from a first perspective;

[0015] Figure 2 This is a schematic structural diagram of the second viewing angle of the present invention;

[0016] Figure 3 yes Figure 1 A schematic diagram of the right side cross-sectional structure;

[0017] Figure 4 yes Figure 2 Schematic diagram of the enlarged structure of A;

[0018] Markings in the accompanying drawings: 1. Base plate; 2. Door plate; 3. Fixed block; 4. Spring; 5. Telescopic rod; 6. Movable plate; 7. Fixed plate; 8. First rotating shaft; 9. Driving roller; 10. First motor; 11. Second rotating shaft; 12. Constraint roller; 13. Slider; 14. Door frame; 15. Second motor; 16. Pulley; 17. Belt; 18. Bidirectional screw; 19. Vertical plate; 20. Guide roller; 21. First electric push rod; 22. Connecting rod; 23. Laser cutting knife; 24. Second electric push rod; 25. Support plate; 26. Limit block; 27. Limit rod; 28. Third electric push rod; 29. ​​Hook. DETAILED DESCRIPTION

[0019] The following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figures 1 to 4 As shown, a fixing device of a linen yarn rewinding machine of the present invention comprises a base plate 1 and a fixing device, the fixing device is mounted on the top of the base plate 1, the fixing device comprises a door-type plate 2, four groups of fixed blocks 3, four groups of springs 4, four groups of telescopic rods 5, a movable plate 6, two groups of fixed plates 7, a first rotating shaft 8, a driving roller 9, a first motor 10, two groups of second rotating shafts 11, two groups of constraint rollers 12, a third electric push rod 28, a hook 29, a power mechanism, a guide mechanism, a cutting device and a lifting device, the door-type plate 2 is mounted on the left side of the top of the base plate 1, the four groups of fixed blocks 3 are evenly mounted on the top of the inner top of the door-type plate 2, the bottom ends of the four groups of fixed blocks 3 are all provided with telescopic grooves, the four groups of telescopic rods 5 are respectively slidably connected with the telescopic grooves of the four groups of fixed blocks 3, the four groups of springs 4 are respectively sleeved on the outside of the four groups of telescopic rods 5, the top ends of the four groups of springs 4 are connected to the bottom ends of the four groups of fixed blocks 3, the bottom ends of the four groups of springs 4 are connected to the top of the movable plate 6, the bottom ends of the four groups of telescopic rods 5 are connected to the top of the movable plate 6, and the two groups of fixed The plates 7 are symmetrically mounted on the front and rear sides of the bottom end of the moving plate 6, and the first rotating shaft 8 is rotatably mounted on the two groups of fixed plates 7, driving the roller 9 to be sleeved on the middle of the first rotating shaft 8, and the first motor 10 is mounted on the front end of the front fixed plate 7, and the output end of the first motor 10 passes through the front fixed plate 7 and is connected to the front end of the first rotating shaft 8. Two groups of second rotating shafts 11 are mounted on the power mechanism, and two groups of constraint rollers 12 are respectively mounted on the two groups of second rotating shafts 11. The two groups of constraint rollers 12 correspond to the positions of the driving rollers 9. The power mechanism is mounted on the door-type plate 2, the guide mechanism is mounted on the right side of the top end of the bottom plate 1, the cutting device is mounted in the middle of the top end of the bottom plate 1, the lifting device is mounted on the left side of the top end of the bottom plate 1, and the lifting device is located at the center below the two groups of constraint rollers 12. The third electric push rod 28 is mounted in the middle of the top end of the door-type plate 2, and the output end of the third electric push rod 28 passes through the top end of the door-type plate 2 and extends into its interior. Two groups of hooks 29 are rotatably mounted on the output end of the third electric push rod 28 and the middle of the top end of the moving plate 6;

[0021] The power mechanism drives the two sets of constraint rollers 12 on the second rotating shaft 11 to move, so that the distance between the two sets of constraint rollers 12 is adjusted according to the diameter of the winding shaft, and then the third electric push rod 28 is opened, and the third electric push rod 28 drives the upper hook 29 to move downward, so that the two sets of hooks 29 are matched and hung, and then the third electric push rod 28 is opened, and the third electric push rod 28 drives the movable plate 6 to move upward, and the four sets of telescopic rods 5 slide in the four sets of fixed blocks 3, and the four sets of springs 4 are in a compressed state, fixing the yarn. The winding shaft is placed between the two sets of constraint rollers 12, the yarn passes through the guide mechanism, and then the third electric push rod 28 is opened in the reverse direction, the third electric push rod 28 drives the movable plate 6 to move downward, and then the two sets of hooks 29 are separated, the four sets of springs 4 drive the four sets of telescopic rods 5 to move downward, the four sets of telescopic rods 5 drive the movable plate 6 and the driving roller 9 to move downward, and the driving roller 9 is tightly attached to the winding shaft, and then the first motor 10 is turned on, the first motor 10 drives the first rotating shaft 8 to rotate, and the first rotating shaft 8 drives the driving roller 9 to rotate The guide device guides the yarn, and the roller 9 is driven to limit and tighten the yarn wound on the take-up shaft under the action of the four groups of springs 4. When a certain amount of yarn is wound on the take-up shaft, the first motor 10 is turned off, and then the cutting device is turned on. The cutting device cuts the yarn, and then the third electric push rod 28 is turned on, and the third electric push rod 28 drives the upper hook 29 to move downward, so that the two groups of hooks 29 are aligned. Cooperate with the hanging, then open the third electric push rod 28, the third electric push rod 28 drives the movable plate 6 to move upward, the four groups of telescopic rods 5 slide in the four groups of fixed blocks 3, the four groups of springs 4 are in a compressed state, and then open the lifting device, the lifting device drags the winding shaft with the yarn wound on it to move upward, and the staff takes out the winding shaft with the yarn wound on it. By setting up this device, it is not only convenient to fix the winding shaft and the operation is simpler, but also the yarn can be tightly wound on the winding shaft, thereby improving its winding effect.

[0022] As a preferred embodiment of the above, the power mechanism includes four groups of sliders 13, two groups of door frames 14, a second motor 15, two groups of pulleys 16, a belt 17 and two groups of bidirectional screws 18. The lower sides of the front and rear of the door panel 2 are connected and provided with slots. The four groups of sliders 13 slide in the two groups of card slots of the door panel 2 respectively. The two groups of bidirectional screws 18 are rotatably installed in the two groups of card slots of the door panel 2. The left ends of the two groups of bidirectional screws 18 pass through the door panel 2 and extend to the left side of the door panel 2. The middle parts of the four groups of sliders 13 are connected and provided with threaded holes. The four groups of sliders 13 are respectively connected with the two groups of The bidirectional screw 18 is threadedly connected, the two groups of door frames 14 are respectively installed on the front and rear sides of the left end of the door panel 2, the second motor 15 is installed on the left end of the front door frame 14, and the output end of the second motor 15 passes through the front door frame 14 and is connected to the left end of the front bidirectional screw 18. The two groups of pulleys 16 are respectively installed on the left sides of the two groups of bidirectional screws 18 and are located outside the door panel 2. The two groups of pulleys 16 are synchronously driven by belts 17. The two groups of second rotating shafts 11 are respectively rotatably installed on the two groups of sliders 13 on the left and the two groups of sliders 13 on the right. The two groups of bidirectional screws 18 have the same thread direction;

[0023] By setting a slider 13, a door frame 14, a second motor 15, a pulley 16, a belt 17 and a bidirectional screw 18, the spacing between the two groups of constraint rollers 12 is adjusted according to the diameter of the winding shaft. By turning on the second motor 15, the second motor 15 drives the front bidirectional screw 18 to rotate, and the front bidirectional screw 18 drives the front pulley 16 to rotate. The front pulley 16 drives the rear pulley 16 to rotate through the belt 17, and the rear pulley 16 drives the rear bidirectional screw 18 to rotate. The two groups of bidirectional screws 18 are threadedly connected to the four groups of sliders 13, and the four groups of sliders 13 drive the two groups of constraint rollers 12 on the two second rotating shafts 11 to move to a suitable spacing, which is convenient for fixing winding shafts of different diameters.

[0024] As a preferred embodiment of the above, the guide mechanism includes two sets of vertical plates 19 and two sets of guide rollers 20. The two sets of vertical plates 19 are symmetrically mounted on the right side of the top of the bottom plate 1, and the two sets of guide rollers 20 are rotatably mounted on the upper and lower sides of the inner ends of the two sets of vertical plates 19 respectively.

[0025] The vertical plate 19 and the guide roller 20 can be provided to restrict the yarn guide.

[0026] As a preferred embodiment of the above, the cutting device includes a first electric push rod 21, a connecting rod 22 and a laser cutting knife 23. The first electric push rod 21 is installed in the middle of the top of the base plate 1, the connecting rod 22 is installed at the output end of the first electric push rod 21, and the laser cutting knife 23 is installed at the top of the connecting rod 22.

[0027] By setting the first electric push rod 21, the connecting rod 22 and the laser cutting knife 23, when the first electric push rod 21 is opened, the first electric push rod 21 drives the laser cutting knife 23 to move upward through the connecting rod 22, and the laser cutting knife 23 cuts the linen yarn, thereby cutting the linen yarn.

[0028] As a preferred embodiment of the above embodiment, the lifting device includes a second electric push rod 24, a support plate 25, two sets of limit blocks 26 and two sets of limit rods 27. The second electric push rod 24 is installed in the middle of the left side of the top of the base plate 1. The output end of the second electric push rod 24 is connected to the bottom end of the support plate 25. The two sets of limit blocks 26 are symmetrically installed on the left side of the top of the base plate 1. The tops of the two sets of limit blocks 26 are provided with slides. The two sets of limit rods 27 are respectively slidably connected to the slides of the two sets of limit blocks 26. The tops of the two sets of limit rods 27 are connected to the bottom end of the support plate 25. The support plate 25 is located between the two sets of constraint rollers 12.

[0029] By setting a second electric push rod 24, a support plate 25, a limit block 26 and a limit rod 27, by opening the second electric push rod 24, the second electric push rod 24 drives the support plate 25 to move upward, and the support plate 25 causes the two sets of limit rods 27 to slide in the two sets of limit blocks 26, and the support plate 25 drives the winding shaft of the wound yarn to move upward. When the wound yarn moves upward to a specified height, the second electric push rod 24 is closed, and the wound yarn is manually removed, which facilitates the removal of the wound yarn.

[0030] As a preferred embodiment of the above, the top of the support plate 25 is configured as a curved surface;

[0031] It can better fit the wound yarn and improve the stability of the upward movement of the wound yarn.

[0032] As a preferred embodiment of the above, the outer side of the driving roller 9 and the outer side of the winding shaft are both provided with a rubber layer;

[0033] The friction between the driving roller 9 and the winding shaft can be increased, thereby ensuring the reliability of the winding shaft in winding the yarn. Since the surface of the linen thread is rough, the driving roller 9 and the linen thread will not slip.

[0034] As a preferred embodiment of the above, a non-slip pad is provided on the top of the support plate 25;

[0035] The contact friction between the support plate 25 and the yarn can be increased, thereby improving the stability of the yarn after winding.

[0036] The utility model is a fixing device of a linen yarn rewinding machine. When it is working, the spacing between the two sets of constraint rollers 12 is first adjusted according to the diameter of the winding shaft. By turning on the second motor 15, the second motor 15 drives the front bidirectional screw 18 to rotate, and the front bidirectional screw 18 drives the front pulley 16 to rotate. The front pulley 16 drives the rear pulley 16 to rotate through the belt 17, and the rear pulley 16 drives the rear bidirectional screw 18 to rotate. The two sets of bidirectional screws 18 are threadedly connected to the four sets of sliders 13. The four sets of sliders 13 drive the two sets of constraint rollers 12 on the two sets of second rotating shafts 11 to move to a suitable spacing. Then, by turning on the third electric push rod 28, the third electric push rod 28 is turned on. The rod 28 drives the upper hook 29 to move downward, so that the two sets of hooks 29 are matched and hung, and then the third electric push rod 28 is opened, and the third electric push rod 28 drives the movable plate 6 to move upward, and the four sets of telescopic rods 5 slide in the four sets of fixed blocks 3, and the four sets of springs 4 are in a compressed state, and the winding shaft with the fixed yarn is placed between the two sets of constraint rollers 12, and the yarn passes between the two sets of guide rollers 20, and then the third electric push rod 28 is opened in the reverse direction, and the third electric push rod 28 drives the movable plate 6 to move downward, and then the two sets of hooks 29 are separated, and the four sets of springs 4 drive the four sets of telescopic rods 5 to move downward, and the four sets of telescopic rods 5 drive the movable plate 6 and the driving roller 9 to move downward, driving the roller 9 The first motor 10 is turned on, and the first motor 10 drives the first rotating shaft 8 to rotate, and the first rotating shaft 8 drives the driving roller 9 to rotate, and the driving roller 9 drives the winding shaft to rotate, and the winding shaft reels the linen yarn, and the two sets of guide rollers 20 guide the yarn, and the driving roller 9 always limits and tightens the yarn wound on the winding shaft under the action of the four sets of springs 4. When a certain amount of yarn is wound on the winding shaft, the first motor 10 is turned off, and then the first electric push rod 21 is turned on. The first electric push rod 21 drives the laser cutting knife 23 to move upward through the connecting rod 22, and the laser cutting knife 23 cuts the linen yarn. Then, by turning on the third electric push rod, the linen yarn is cut. The push rod 28 is opened, and the third electric push rod 28 drives the upper hook 29 to move downward, so that the two groups of hooks 29 are matched and hung, and then the third electric push rod 28 is opened, and the third electric push rod 28 drives the movable plate 6 to move upward, and the four groups of telescopic rods 5 slide in the four groups of fixed blocks 3. The four groups of springs 4 are in a compressed state. Then the second electric push rod 24 is opened, and the second electric push rod 24 drives the supporting plate 25 to move upward, and the supporting plate 25 makes the two groups of limit rods 27 slide in the two groups of limit blocks 26. The supporting plate 25 drives the winding shaft of the wound yarn to move upward. When the wound yarn moves upward to the specified height, the second electric push rod 24 is closed, and the wound yarn can be manually removed.

[0037] The fixing device of a linen yarn rewinding machine of the present invention has common mechanical installation, connection or setting methods, and any method that can achieve its beneficial effects can be implemented; the first motor 10, the second motor 15, the first electric push rod 21 and the second electric push rod 24 of the fixing device of a linen yarn rewinding machine of the present invention are purchased on the market, and technicians in this industry only need to install and operate them according to the accompanying instruction manual.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A fixing device for a linen yarn rewinding machine, characterized in that: The invention comprises a bottom plate (1) and a fixing device, wherein the fixing device is installed at the top of the bottom plate (1), and the fixing device comprises a door-shaped plate (2), four groups of fixing blocks (3), four groups of springs (4), four groups of telescopic rods (5), a moving plate (6), two groups of fixing plates (7), a first rotating shaft (8), a driving roller (9), a first motor (10), two groups of second rotating shafts (11), two groups of restraining rollers (12), a third electric push rod (28), two groups of hooks (29), a power mechanism, a guide mechanism, a cutting device and a lifting device. The door-shaped plate (2) is installed at the bottom plate. On the left side of the top of the plate (1), four groups of fixed blocks (3) are evenly installed on the top of the door-shaped plate (2), the bottoms of the four groups of fixed blocks (3) are all provided with telescopic slots, four groups of telescopic rods (5) are respectively slidably connected with the telescopic slots of the four groups of fixed blocks (3), four groups of springs (4) are respectively sleeved on the outside of the four groups of telescopic rods (5), the tops of the four groups of springs (4) are connected with the bottoms of the four groups of fixed blocks (3), the bottoms of the four groups of springs (4) are connected with the top of the moving plate (6), the bottoms of the four groups of telescopic rods (5) are connected with the top of the moving plate (6), and the two groups of fixed plates (7) are symmetrically installed on the The first rotating shaft (8) is rotatably mounted on the front and rear sides of the bottom end of the movable plate (6), the driving roller (9) is sleeved on the middle of the first rotating shaft (8), the first motor (10) is mounted on the front end of the front side fixed plate (7), the output end of the first motor (10) passes through the front side fixed plate (7) and is connected to the front end of the first rotating shaft (8), the two groups of second rotating shafts (11) are mounted on the power mechanism, the two groups of constraint rollers (12) are respectively mounted on the two groups of second rotating shafts (11), and the two groups of constraint rollers (12) correspond to the positions of the driving rollers (9). The power mechanism is installed on the door-shaped plate (2), the guide mechanism is installed on the right side of the top of the base plate (1), the cutting device is installed on the middle of the top of the base plate (1), the lifting device is installed on the left side of the top of the base plate (1), and the lifting device is located at the center below the two groups of constraint rollers (12). The third electric push rod (28) is installed in the middle of the top of the door-shaped plate (2), and the output end of the third electric push rod (28) passes through the top of the door-shaped plate (2) and extends into the interior thereof. The two groups of hooks (29) are rotatably installed at the output end of the third electric push rod (28) and the middle of the top of the movable plate (6).

2. A fixing device for a linen yarn rewinding machine according to claim 1, characterized in that: The power mechanism comprises four groups of sliders (13), two groups of door frames (14), a second motor (15), two groups of pulleys (16), a belt (17) and two groups of bidirectional screws (18). The lower sides of the front and rear parts of the door plate (2) are connected and provided with slots. The four groups of sliders (13) slide in the two groups of slots of the door plate (2) respectively. The two groups of bidirectional screws (18) are rotatably installed in the two groups of slots of the door plate (2). The left ends of the two groups of bidirectional screws (18) pass through the door plate (2) and extend to the left side of the door plate (2). The middle parts of the four groups of sliders (13) are connected and provided with threaded holes. The four groups of sliders (13) are connected and provided with threaded holes respectively. Two groups of bidirectional screw rods (18) are threadedly connected, two groups of door frames (14) are respectively installed on the front side and rear side of the left end of the door plate (2), a second motor (15) is installed on the left end of the front door frame (14), an output end of the second motor (15) passes through the front door frame (14) and is connected to the left end of the front bidirectional screw rod (18), two groups of pulleys (16) are respectively installed on the left side of the two groups of bidirectional screw rods (18) and located outside the door plate (2), the two groups of pulleys (16) are synchronously driven by belts (17), and two groups of second rotating shafts (11) are respectively rotatably installed on the two groups of sliders (13) on the left side and the two groups of sliders (13) on the right side.

3. A fixing device for a linen yarn rewinding machine according to claim 2, characterized in that: The guide mechanism comprises two groups of vertical plates (19) and two groups of guide rollers (20). The two groups of vertical plates (19) are symmetrically mounted on the right side of the top end of the bottom plate (1). The two groups of guide rollers (20) are rotatably mounted on the upper side and the lower side of the inner ends of the two groups of vertical plates (19).

4. A fixing device for a linen yarn rewinding machine according to claim 3, characterized in that: The cutting device comprises a first electric push rod (21), a connecting rod (22) and a laser cutting knife (23); the first electric push rod (21) is mounted on the middle of the top end of the base plate (1); the connecting rod (22) is mounted on the output end of the first electric push rod (21); and the laser cutting knife (23) is mounted on the top end of the connecting rod (22).

5. A fixing device for a linen yarn rewinding machine according to claim 4, characterized in that: The lifting device comprises a second electric push rod (24), a supporting plate (25), two groups of limit blocks (26) and two groups of limit rods (27). The second electric push rod (24) is installed at the middle of the left side of the top of the base plate (1). The output end of the second electric push rod (24) is connected to the bottom end of the supporting plate (25). The two groups of limit blocks (26) are symmetrically installed on the left side of the top of the base plate (1). The top ends of the two groups of limit blocks (26) are both provided with sliding grooves. The two groups of limit rods (27) are respectively slidably connected to the sliding grooves of the two groups of limit blocks (26). The top ends of the two groups of limit rods (27) are connected to the bottom end of the supporting plate (25). The supporting plate (25) is located between the two groups of constraint rollers (12).

6. A fixing device for a linen yarn rewinding machine according to claim 5, characterized in that: The top end of the supporting plate (25) is configured as a curved surface.

7. A fixing device for a linen yarn rewinding machine according to claim 6, characterized in that: A rubber sleeve is provided on the outer side of the driving roller (9).

8. A fixing device for a linen yarn rewinding machine according to claim 7, characterized in that: The top end of the support plate (25) is provided with an anti-slip pad.

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