Rewinding device for superfine fiber production

Abstract

The utility model relates to a rewinding device for superfine fiber production, which belongs to the technical field of winding equipment and comprises a bottom frame, a first guide roller, two carrier rollers and a second guide roller, central shafts of the two carrier rollers are parallel and are positioned on the same horizontal plane, a winding shaft is arranged above the middle of the two carrier rollers, one end of one carrier roller is connected with a driving mechanism, and the other end of the other carrier roller is connected with a winding shaft. L-shaped limiting side plates are arranged on the outer sides of the two ends of the winding shaft and connected with a lifting mechanism, and the lifting mechanism is connected with a front-back moving mechanism. The two carrier rollers are rotatably mounted on the bottom frame, the winding shaft is arranged above the middle of the two carrier rollers, one carrier roller is driven by the driving mechanism to rotate, so that the winding shaft is driven to rotate to wind a thin film, the limiting side plates are arranged at the two ends of the winding shaft, the winding shaft can be prevented from moving in the axial direction, and the winding shaft is prevented from moving in the axial direction. In addition, after the thin film is rolled, the limiting side plate can be quickly moved away through the lifting mechanism and the front-back moving mechanism, and the rolling shaft and the film roll can be conveniently taken down.

Description

Technical Field

[0001] The utility model relates to a rewinding device for ultrafine fiber production, belonging to the technical field of winding equipment. Background Art

[0002] The production of polytetrafluoroethylene ultra-fine long fibers goes through multiple steps, such as raw material mixing, raw material aging, embryo pressing, film pressing and degreasing, sintering and stretching, slitting and twisting, shaping and finished product winding. A rewinding device is required to wind up the film during film pressing and degreasing and sintering and stretching. The current rewinding device drives the winding shaft to rotate through a motor to wind up the film, but in this way, the winding shaft needs to be disassembled when removing the wound film roll, which is more troublesome. Utility Model Content

[0003] The utility model provides a rewinding device for producing ultrafine fibers, which solves the problems in the above-mentioned background technology.

[0004] The utility model relates to a rewinding device for producing ultrafine fibers, comprising a base frame, a guide roller one is rotatably mounted on the rear end of the base frame, two support rollers are rotatably mounted on the front end of the base frame, a guide roller two is arranged on the rear side of the support roller, the central axes of the two support rollers are parallel and located on the same horizontal plane, a reeling shaft is arranged above the middle of the two support rollers, one end of one of the support rollers is connected to a driving mechanism, L-shaped limiting side plates are arranged on the outer sides of both ends of the reeling shaft, the limiting side plates are connected to a lifting mechanism, and the lifting mechanism is connected to a front-rear moving mechanism.

[0005] As a preferred embodiment, the lifting mechanism includes a connecting plate fixed on the rear side of the limiting side plate, the connecting plate is fixedly connected to a lifting slider, the lifting slider is connected to a lifting slide rail, the lifting slide rail is fixedly connected to a support plate, a lifting cylinder is fixed to the top of the support plate, the piston rod end of the lifting cylinder is hinged to the lifting slider, and the lifting slider can be driven to slide up and down along the lifting slide rail by the extension and retraction of the lifting cylinder, thereby driving the limiting side plate to rise and fall.

[0006] As a preferred embodiment, the forward and backward moving mechanism includes a moving slider fixed to the middle part of the outer side of the support plate, the moving slider is connected to a moving slide rail arranged along the forward and backward direction, the moving slide rail is fixedly connected to the support arm plate, the bottom of the support arm plate is fixed to the base frame, a moving cylinder is fixed to the support arm plate, and the piston rod end of the moving cylinder is hinged to the moving slider. The moving slider can be driven to slide forward and backward along the moving slide rail by the extension and contraction of the moving cylinder, thereby driving the limit side plate to move forward and backward.

[0007] As a preferred embodiment, the limiting side plate is provided with two strip holes along the vertical direction, and locking bolts are provided in the strip holes to fix the limiting side plate to the connecting plate. The height position of the locking bolts in the strip holes can be adjusted, thereby adjusting the initial height position of the limiting side plate.

[0008] As a preferred embodiment, the driving mechanism includes a driven sprocket arranged at one end of one of the rollers, the driven sprocket is connected to the driving sprocket via a chain, the driving sprocket is fixedly connected to the driving motor, and protective covers are provided on the outside of the driven sprocket, the driving sprocket and the chain.

[0009] As a preferred embodiment, brackets are rotatably installed at both ends of the guide roller, the brackets are fixed on the base frame, a mounting plate is fixed between the upper parts of the two brackets, two support plates are fixed on the mounting plate, the lower parts of the two support plates are connected with conductive support rods, static electricity removal brushes are fixed on the conductive support rods through clamping plates, and one end of the conductive support rods is connected to a grounding wire, which can easily remove static electricity on the film.

[0010] As a preferred embodiment, open grooves are provided on the outer end faces of the two support plates, and pressure grooves for pressing the conductive support rods are provided on the top and bottom of the open grooves. Threaded holes are provided on the outer top and bottom of the open grooves, and clamping bolts are provided in the threaded holes. By tightening the clamping bolts, the upper and lower support plates of the open grooves can be driven to close toward the middle, so that the pressure grooves press the conductive support rods, and the inclination angle of the static electricity removal brush can be conveniently adjusted, so that the static electricity removal brush can better adhere to the bottom of the film.

[0011] The utility model has the following beneficial effects:

[0012] Two rollers are rotatably installed on the base frame, and a winding shaft is provided above the middle of the two rollers. A driving mechanism drives one roller to rotate, thereby driving the winding shaft to rotate and wind up the film, and limiting side plates are provided at both ends of the winding shaft to prevent the winding shaft from moving axially. In addition, after the film is wound up, the limiting side plates can be quickly removed by the lifting mechanism and the front and rear moving mechanism, so that the winding shaft and the film roll can be easily removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the side structure of the supporting roller, the guide roller 1 and the guide roller 2;

[0015] Figure 3 for Figure 1 Partial structure diagram Figure 1 ;

[0016] Figure 4 for Figure 1 Partial structure diagram Figure 2 ;

[0017] Figure 5 for Figure 2 Schematic diagram of some structures;

[0018] In the figure: 1. base frame; 2. roller; 3. winding shaft; 4. limiting side plate; 5. connecting plate; 6. support arm plate; 7. moving cylinder; 8. lifting slide rail; 9. support plate; 10. lifting cylinder; 11. guide roller 1; 12. mounting plate; 13. support plate; 14. conductive support rod; 15. static electricity removal brush; 16. moving slide rail; 17. strip hole; 18. protective cover; 19. driving motor; 20. driven sprocket; 21. guide roller 2; 22. clamping plate; 23. threaded hole; 24. open groove; 25. pressing groove. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with embodiments.

[0020] Embodiment 1, as Figure 1-Figure 5 As shown, the utility model is a rewinding device for ultrafine fiber production, comprising a base frame 1, a guide roller 11 is rotatably installed at the rear end of the base frame 1, two rollers 2 are rotatably installed at the front end of the base frame 1, a guide roller 2 21 is provided on the rear side of the roller 2, the central axes of the two rollers 2 are parallel and on the same horizontal plane, a winding shaft 3 is provided above the middle of the two rollers 2, one end of one of the rollers 2 is connected to a driving mechanism, L-shaped limiting side plates 4 are provided on the outer sides of both ends of the winding shaft 3, the limiting side plates 4 are connected to a lifting mechanism, and the lifting mechanism is connected to a front and rear moving mechanism.

[0021] During operation, the lifting mechanism and the front-to-back moving mechanism cooperate to move the limiting side plate 4 away from the roller 2, and then the film transported from the previous level is bypassed from the top of the guide roller 11, and then from the bottom of the guide roller 21, and then from the upper part of the rear roller 2 and then wound around the winding shaft 3, and then the winding shaft 3 is placed on the top between the two rollers 2, and then the lifting mechanism and the front-to-back moving mechanism cooperate to move the limiting side plate 4 to the two ends of the winding shaft 3 for limiting, and then start the driving mechanism, the driving mechanism drives one of the rollers 2 to rotate, which will roll the winding shaft 3 to wind up the film, and when the film roll is wound, the lifting mechanism and the front-to-back moving mechanism cooperate to move the limiting side plate 4 away from the winding shaft 3, and the film can be cut off and the winding shaft 3 and the film roll can be removed.

[0022] Embodiment 2, based on embodiment 1, the lifting mechanism includes a connecting plate 5 fixed to the rear side of the limiting side plate 4, the connecting plate 5 is fixedly connected to a lifting slider, the lifting slider is connected to a lifting rail 8, the lifting rail 8 is fixedly connected to a support plate 9, a lifting cylinder 10 is fixed to the top of the support plate 9, and the piston rod end of the lifting cylinder 10 is hinged to the lifting slider. A gap is provided between the outer end of the winding shaft 3 and the inner side wall of the limiting side plate 4.

[0023] The forward and backward moving mechanism includes a moving slider fixed to the middle of the outer side of the support plate 9, the moving slider is connected to a moving slide rail 16 arranged along the forward and backward direction, the moving slide rail 16 is fixedly connected to the support arm plate 6, the bottom of the support arm plate 6 is fixed to the base frame 1, and a moving cylinder 7 is fixed to the support arm plate 6, and the piston rod end of the moving cylinder 7 is hinged to the moving slider. After the winding shaft 3 is placed in place, the moving cylinder 7 extends to drive the moving slider to move forward, thereby driving the limit side plate 4 to move to the top of the winding shaft 3, and then the lifting cylinder 10 extends to drive the lifting slider to descend, thereby driving the limit side plate 4 to move to the outer side of the end of the winding shaft 3. When the winding shaft 3 and the film roll need to be removed after winding, the lifting cylinder 10 contracts to drive the lifting slider to rise, thereby driving the limit side plate 4 upward away from the winding shaft 3, and then the moving cylinder 7 contracts to drive the moving slider to move backward, thereby driving the limit side plate 4 backward away from the winding shaft 3.

[0024] The limiting side plate 4 is provided with two strip holes 17 along the vertical direction, and locking bolts for fixing the limiting side plate 4 to the connecting plate 5 are provided in the strip holes 17. Before work, the locking bolts can be loosened according to the position of the winding shaft 3, and then the upper and lower positions of the limiting side plate 4 can be moved to adjust the height position of the bottom of the limiting side plate 4, and the locking bolts can be tightened after adjustment.

[0025] The driving mechanism includes a driven sprocket 20 arranged at one end of one of the rollers 2, the driven sprocket 20 is connected to a driving sprocket through a chain, the driving sprocket is fixedly connected to a driving motor 19, and a protective cover 18 is arranged on the outside of the driven sprocket 20, the driving sprocket and the chain. The driving mechanism can also drive the two rollers 2 to rotate at the same time as needed, that is, the driven sprocket 20 is arranged at one end of the two rollers 2.

[0026] Brackets are rotatably mounted at both ends of the guide roller 11, and the brackets are fixed on the base frame 1. A mounting plate 12 is fixed between the upper parts of the two brackets, and two support plates 13 are fixed on the mounting plate 12. The lower parts of the two support plates 13 are connected to conductive support rods 14, and static electricity removal brushes 15 are fixed to the conductive support rods 14 through clamping plates 22. One end of the conductive support rod 14 is connected to a grounding wire.

[0027] The outer end surfaces of the two support plates 13 are provided with open grooves 24, and the top and bottom of the open grooves 24 are provided with pressing grooves 25 for pressing the conductive support rod 14. The top and bottom of the outer ends of the open grooves 24 are provided with threaded holes 23, and the threaded holes 23 are provided with clamping bolts. After the film is wound, the clamping bolts can be loosened, and then the conductive support rod 14 is rotated so that the outer end of the static removal brush 15 is attached to the top of the film, and then the clamping bolts are tightened. The clamping bolts will shrink the support plates 13 above and below the open grooves 24, so that the pressing grooves 25 press the conductive support rod 14.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0029] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A rewinding device for producing ultrafine fibers, comprising a base frame (1), a guide roller (11) being rotatably mounted at the rear end of the base frame (1), characterized in that: Two rollers (2) are rotatably mounted at the front end of the base frame (1), a guide roller 2 (21) is arranged at the rear side of the rollers (2), the central axes of the two rollers (2) are parallel and on the same horizontal plane, a winding shaft (3) is arranged above the middle of the two rollers (2), one end of one of the rollers (2) is connected to a driving mechanism, L-shaped limiting side plates (4) are arranged on the outer sides of both ends of the winding shaft (3), the limiting side plates (4) are connected to a lifting mechanism, and the lifting mechanism is connected to a front-rear moving mechanism.

2. A rewinding device for producing ultrafine fibers according to claim 1, characterized in that: The lifting mechanism comprises a connecting plate (5) fixed to the rear side of the limiting side plate (4), the connecting plate (5) being fixedly connected to a lifting slider, the lifting slider being connected to a lifting rail (8), the lifting rail (8) being fixedly connected to a support plate (9), a lifting cylinder (10) being fixed to the top of the support plate (9), and a piston rod end of the lifting cylinder (10) being hinged to the lifting slider.

3. A rewinding device for producing ultrafine fibers according to claim 2, characterized in that: The forward and backward moving mechanism comprises a moving slide block fixed to the middle part of the outer side of the support plate (9), the moving slide block is connected to a moving slide rail (16) arranged along the forward and backward direction, the moving slide rail (16) is fixedly connected to an arm plate (6), the bottom of the arm plate (6) is fixed to the base frame (1), a moving cylinder (7) is fixed to the arm plate (6), and the piston rod end of the moving cylinder (7) is hinged to the moving slide block.

4. A rewinding device for producing ultrafine fibers according to claim 2, characterized in that: The limiting side plate (4) is provided with two strip holes (17) in the vertical direction, and locking bolts for fixing the limiting side plate (4) to the connecting plate (5) are provided in the strip holes (17).

5. The rewinding device for producing ultrafine fibers according to claim 1, characterized in that: The driving mechanism comprises a driven sprocket (20) arranged at one end of one of the rollers (2); the driven sprocket (20) is connected to a driving sprocket via a chain; the driving sprocket is fixedly connected to a driving motor (19); and protective covers (18) are provided on the outsides of the driven sprocket (20), the driving sprocket and the chain.

6. A rewinding device for producing ultrafine fibers according to claim 4, characterized in that: A bracket is rotatably mounted at both ends of the guide roller (11), the bracket is fixed on the bottom frame (1), a mounting plate (12) is fixed between the upper parts of the two brackets, two support plates (13) are fixed on the mounting plate (12), the lower parts of the two support plates (13) are connected to a conductive support rod (14), a static electricity removal brush (15) is fixed on the conductive support rod (14) via a clamping plate (22), and one end of the conductive support rod (14) is connected to a grounding wire.

7. A rewinding device for producing ultrafine fibers according to claim 6, characterized in that: An open groove (24) is provided on the outer end surfaces of the two support plates (13), and a pressing groove (25) for pressing the conductive support rod (14) is provided at the top and bottom of the open groove (24). A threaded hole (23) is provided at the top and bottom of the outer end of the open groove (24), and a pressing bolt is provided in the threaded hole (23).

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