Safe winding device for co-extrusion film production

Abstract

The utility model discloses a safety winding device for co-extrusion film production, and relates to the technical field of co-extrusion film production, the safety winding device comprises a mounting rack, the outer side of the mounting rack is fixedly connected with a winding motor, and the output end of the winding motor extends into the inner side of the mounting rack and is fixedly provided with a limiting disc; a driving rod is fixedly mounted at the circle center of the side, away from the winding motor, of the limiting disc. By the adoption of the structure, the two-way lead screw rotates in the side groove of the rectangular hole, so that the two limiting seats in threaded connection with the outer side can slide close to each other, after the two limiting seats are combined, the limiting arc grooves formed in the opposite sides of the limiting seats form a complete round hole groove, the round hole groove in the other end of the driving rod rotates, and the driving rod is driven to rotate. Meanwhile, the installed limiting seats can limit the winding drum, when the winding drum is taken down after winding is conducted, the two-way lead screw only needs to rotate reversely, the two limiting seats at the rectangular hole are made to be away from each other, and then the winding drum on the driving rod can be directly taken down.

Description

Technical Field

[0001] The utility model belongs to the technical field of co-extrusion film production, and particularly relates to a safe winding device for co-extrusion film production. Background Art

[0002] Co-extruded film is used in pure milk bags, express bags, and metal protective films. In the film processing, one raw material is extruded onto another already made film, or different types of already made films are bonded together to form a multi-layer film. During the production process of co-extruded film, it needs to be rolled into a drum before it can be packaged and sold. This process requires the use of a stable and reliable winding device to complete the packaging and sales process.

[0003] A Chinese patent with publication number CN216511768U discloses a safe winding device for co-extrusion film production, wherein an L-shaped groove is provided on the top of the second bracket, a mounting plate is fixed to the inner wall of the L-shaped groove by a fastening bolt, one side of the mounting plate and the inner wall of the first bracket are rotatably connected to the same rotating rod, the outer wall of the rotating rod is connected to a winding drum by a key, a motor is provided on one side of the first bracket, and the output shaft of the motor is connected to the rotating rod by a coupling.

[0004] The above-mentioned safety winding device for co-extrusion film production in the prior art still has some shortcomings in actual use. For example, the motor is connected to the rotating rod, and the receiving reel is inserted into the outer side of the rotating rod, and the other end of the rotating rod is rotatably connected to the mounting plate, and the mounting plate is installed on the bracket 2 by bolts. Therefore, when the winding reel is wound, the staff needs to disassemble the mounting plate before removing the inserted winding reel from the rotating rod, thereby reducing the reel changing efficiency of the winding device. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a safe winding device for co-extrusion film production to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A safe winding device for co-extruded film production comprises a mounting frame, a winding motor is fixedly connected to the outer side of the mounting frame, an output end of the winding motor extends into the inner side of the mounting frame and is fixedly installed with a limit plate, a driving rod is fixedly installed at the center of a circle of a side of the limit plate away from the winding motor, a winding drum is plugged into one end of the driving rod, a limit ring is symmetrically fixedly connected to the outer side of the winding drum, a rectangular hole is opened on the side of the mounting frame away from the winding motor, a limit mechanism is arranged on the inner side of the rectangular hole, one end of the driving rod away from the winding motor is rotatably connected to the inner side of the limit mechanism, and a driving mechanism is arranged at the lower end of the limit mechanism;

[0008] The limiting mechanism comprises a side groove and a limiting seat, the side groove is symmetrically arranged on the inner side of the rectangular hole, the inner side of the side groove is rotatably connected with a bidirectional screw rod, the ends of the limiting seat are fixedly connected with a connecting block, the limiting seat is slidably connected to the inner side of the side groove through the connecting block, the connecting block is threadedly connected to the outer side of the bidirectional screw rod, a limiting arc groove is arranged on the opposite side of the limiting seat, one end of the driving rod away from the winding motor is rotatably connected to the inner side of the limiting arc groove, the driving mechanism is arranged at the lower end of the bidirectional screw rod, and the other end of the driving rod can be conveniently limited by the limiting mechanism;

[0009] The driving mechanism includes a mounting groove, which is arranged on a side of the mounting frame away from the winding motor, the lower end of the bidirectional lead screw is rotatably connected to the inner side of the mounting groove, the driving motor is fixedly installed on the inner side of the mounting groove, the output end of the driving motor and the outer side of the bidirectional lead screw are both fixedly installed with sprockets, the sprocket on the outer side of the bidirectional lead screw and the outer side of the sprocket at the output end of the driving motor are meshed and connected with the same chain, and the operation of the limiting mechanism can be facilitated by the driving mechanism.

[0010] As a preferred technical solution, the outer side of the connecting block is symmetrically provided with sliding grooves, and the connecting block is slidably connected to the inner side of the side groove through the sliding grooves. The sliding grooves on the outer side of the connecting block can facilitate the vertical sliding of the connecting block at the side groove.

[0011] As an optimal technical solution, a threaded sleeve is fixedly installed on the inner side of the connecting block, and the connecting block is threadedly connected to the outer side of the bidirectional screw rod through the threaded sleeve. The threaded sleeve on the connecting block can facilitate the threaded connection of the connecting block to the outer side of the bidirectional screw rod.

[0012] As a preferred technical solution, a protective cover is rotatably connected to one side of the slot of the mounting slot, a first magnet is fixedly connected to the outer side of the protective cover, a second magnet is fixedly connected to the outer side of the mounting frame, one end of the protective cover is movably connected to the first magnet and the second magnet, and the protective cover can be conveniently closed at the slot of the mounting slot by cooperating with the first magnet and the second magnet.

[0013] As an optimal technical solution, a ventilation plate is fixedly installed on the inner side of the protective cover, and a plurality of ventilation holes are opened on the inner side of the ventilation plate. The ventilation holes correspond to the positions of the drive motor. Through the ventilation plate, the drive mechanism can be protected while the drive motor can be cooled.

[0014] As an optimal technical solution, a positioning groove is provided on the inner side of the winding drum, and a positioning strip is fixedly connected to the outer side of the driving rod. The positioning strip and the positioning groove are plug-in connected. Through the positioning groove and the positioning strip, the winding drum can be conveniently plugged into the driving rod through a key.

[0015] In summary, the utility model mainly has the following beneficial effects:

[0016] First, the two-way screw rod is used to rotate in the side groove of the rectangular hole, so that the two limit seats connected by the outer thread can slide close to each other. When the two limit seats are combined, the limit arc groove opened on the opposite side of the limit seat forms a complete circular hole groove, so that the circular hole groove at the other end of the driving rod can rotate. At the same time, the installed limit seat can limit the winding drum. When the winding drum is removed after winding, it is only necessary to rotate the two-way screw rod in the opposite direction to make the two limit seats at the rectangular hole move away, and then the winding drum on the driving rod can be directly removed;

[0017] Second, by running the driving motor at the installation slot, the sprocket at the output end of the driving motor drives the sprocket at the lower end of the bidirectional lead screw through the chain, so that the two bidirectional lead screws can rotate synchronously at the rectangular hole, thereby facilitating the merging and separation of the limit seat;

[0018] Third, a protective cover that rotates on one side of the installation slot is used, and a first magnet is provided on the protective cover. When the protective cover is turned over when closed, the first magnet and the second magnet on the mounting frame are attracted and fixed, so that the driving components in the installation slot can be conveniently protected. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is an exploded view of the utility model;

[0021] Figure 3 The utility model Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 It is a schematic diagram of the connection block structure of the utility model.

[0023] : Illustrations: 1. mounting bracket; 2. winding motor; 3. limiting disk; 4. winding drum; 5. limiting ring; 6. rectangular hole; 7. limiting mechanism; 701. side groove; 702. bidirectional screw rod; 703. limiting seat; 704. limiting arc groove; 705. connecting block; 8. protective cover; 9. driving mechanism; 901. mounting groove; 902. sprocket; 903. driving motor; 904. chain; 10. first magnet; 11. second magnet; 12. ventilation plate; 13. ventilation hole; 14. driving rod; 15. positioning strip; 16. positioning groove; 17. slide groove; 18. screw sleeve. DETAILED DESCRIPTION

[0024] refer to Figures 1 to 4, a safe winding device for co-extruded film production described in this embodiment includes a mounting frame 1, a winding motor 2 is fixedly connected to the outer side of the mounting frame 1, the output end of the winding motor 2 extends into the inner side of the mounting frame 1 and is fixedly installed with a limit disk 3, a driving rod 14 is fixedly installed at the center of the circle of the limit disk 3 away from the winding motor 2, a winding drum 4 is inserted at one end of the driving rod 14, and a limit ring 5 is symmetrically fixedly connected to the outer side of the winding drum 4, a rectangular hole 6 is opened on the side of the mounting frame 1 away from the winding motor 2, a limit mechanism 7 is provided on the inner side of the rectangular hole 6, the end of the driving rod 14 away from the winding motor 2 is rotatably connected to the inner side of the limit mechanism 7, and a driving mechanism 9 is provided at the lower end of the limit mechanism 7; a control module is also provided on the side of the mounting frame 1 close to the mounting groove 901, which can facilitate the control module to control the driving motor 903 and facilitate the drum change; the limit ring 5 on the winding drum 4 can facilitate the limited winding of the co-extruded film to ensure the safety of the winding and not easy to deviate;

[0025] The limiting mechanism 7 includes a side groove 701 and a limiting seat 703. The side groove 701 is symmetrically arranged on the inner side of the rectangular hole 6. The inner side of the side groove 701 is rotatably connected with a bidirectional screw rod 702. The ends of the limiting seat 703 are fixedly connected with a connecting block 705. The limiting seat 703 is slidably connected to the inner side of the side groove 701 through the connecting block 705. The connecting block 705 is threadedly connected to the outer side of the bidirectional screw rod 702. A limiting arc groove 704 is arranged on the opposite side of the limiting seat 703. One end of the driving rod 14 away from the winding motor 2 is rotatably connected to the inner side of the limiting arc groove 704. The driving mechanism 9 is arranged at the lower end of the bidirectional screw rod 702. When limiting the driving rod 14 on which the winding drum 4 is installed, the bidirectional screw rod 702 is used to rotate in the side groove 701 of the rectangular hole 6, so that the two limiting seats 703 threadedly connected on the outer side can be The two limit seats 703 are combined and the limit arc groove 704 on the opposite side of the limit seat 703 forms a complete circular hole groove, so that the circular hole groove at the other end of the driving rod 14 can rotate. At the same time, the installed limit seat 703 can limit the winding drum 4. When the winding drum 4 is taken down after winding, it is only necessary to rotate the two-way screw rod 702 in the opposite direction to make the two limit seats 703 at the rectangular hole 6 move away from each other. Then, the winding drum 4 on the driving rod 14 can be directly removed, so that the winding drum 4 can be quickly disassembled and assembled, thereby greatly improving the efficiency of drum changing; the limit seat 703 is convex in shape, and the convex part of the limit seat 703 can limit the end of the winding drum 4; the thread structures at both ends of the two-way screw rod 702 located in the side groove 701 are opposite;

[0026] The driving mechanism 9 includes a mounting groove 901, which is provided on a side of the mounting frame 1 away from the winding motor 2. The lower end of the bidirectional screw rod 702 is rotatably connected to the inner side of the mounting groove 901. A driving motor 903 is fixedly installed on the inner side of the mounting groove 901. A sprocket wheel 902 is fixedly installed on the output end of the driving motor 903 and the outer side of the bidirectional screw rod 702. The sprocket wheel 902 on the outer side of the bidirectional screw rod 702 and the outer side of the sprocket wheel 902 on the output end of the driving motor 903 are meshed and connected with the same chain 904. By running the driving motor 903 at the mounting groove 901, the sprocket 902 at the output end of the driving motor 903 transmits the sprocket 902 at the lower end of the bidirectional lead screw 702 through the chain 904, so that the two bidirectional lead screws 702 can rotate synchronously at the rectangular hole 6, thereby facilitating the merging and separation of the limit seat 703; the sprocket 902 on the outside of the bidirectional lead screw 702 and the chain 904 meshing on the outside of the sprocket 902 at the output end of the driving motor 903 are triangular in shape, which can be easily driven.

[0027] refer to Figure 4 The outer side of the connecting block 705 is symmetrically provided with a slide groove 17, and the connecting block 705 is slidably connected to the inner side of the side groove 701 through the slide groove 17. The slide groove 17 on the connecting block 705 can be conveniently rotated inside the side groove 701; a slide rail suitable for the slide of the slide groove 17 is also installed on the inner side of the side groove 701.

[0028] refer to Figure 4 A screw sleeve 18 is fixedly installed on the inner side of the connecting block 705, and the connecting block 705 is threadedly connected to the outer side of the bidirectional screw rod 702 through the screw sleeve 18. The screw sleeve 18 on the connecting block 705 can be used to conveniently thread the connecting block 705 to the outer side of the bidirectional screw rod 702; an assembly hole is also provided on the inner side of the connecting block 705 for installing the screw sleeve 18.

[0029] refer to Figure 1 A protective cover 8 is rotatably connected to one side of the slot of the mounting slot 901, a first magnet 10 is fixedly connected to the outer side of the protective cover 8, and a second magnet 11 is fixedly connected to the outer side of the mounting frame 1. One end of the protective cover 8 is movably connected through the first magnet 10 and the second magnet 11. The protective cover 8 is rotated on one side of the mounting slot 901, and the protective cover 8 is provided with the first magnet 10. When the protective cover 8 is flipped over when closed, the first magnet 10 and the second magnet 11 on the mounting frame 1 are attracted and fixed, so that the driving components in the mounting slot 901 can be conveniently protected; a hinge assembly is also provided on one side of the protective cover 8, and one side of the protective cover 8 is rotated on the mounting frame 1 through the hinge assembly.

[0030] refer to Figure 1A ventilation plate 12 is fixedly installed on the inner side of the protective cover 8, and a plurality of ventilation holes 13 are opened on the inner side of the ventilation plate 12. The ventilation holes 13 correspond to the positions of the drive motor 903. During use, when the protective cover 8 is in a closed state, the ventilation plate 12 with the ventilation holes 13 on the protective cover 8 corresponds to the drive motor 903 in the mounting groove 901, which can facilitate the heat dissipation of the drive motor 903 and increase its service life; a handle is also provided on the outer side of the protective cover 8, which can facilitate the opening and closing of the protective cover 8.

[0031] refer to Figure 2 and Figure 3 A positioning groove 16 is provided on the inner side of the winding drum 4, and a positioning strip 15 is fixedly connected to the outer side of the driving rod 14. The positioning strip 15 and the positioning groove 16 are plug-in connected. When the winding drum 4 is installed, the positioning groove 16 on the winding drum 4 and the positioning strip 15 on the driving rod 14 are plugged in, which can facilitate the driving rod 14 to drive the winding drum 4 to wind up; the winding drum 4 is hollow and can be plugged in with the driving rod 14 with the positioning groove 16.

[0032] Principle and advantages of use: During use, when the drive rod 14 on which the winding drum 4 is installed is limited, the drive motor 903 at the installation groove 901 is operated so that the sprocket 902 at the output end of the drive motor 903 drives the sprocket 902 at the lower end of the bidirectional screw rod 702 through the chain 904, so that the two bidirectional screw rods 702 can rotate synchronously at the rectangular hole 6, and the two-way screw rod 702 is rotated in the side groove 701 of the rectangular hole 6, so that the two limit seats 703 connected by the outer thread can approach each other. When the two limiting seats 703 are combined, and the limiting arc groove 704 opened on the opposite side of the limiting seat 703 forms a complete circular hole groove, the circular hole groove at the other end of the driving rod 14 can be rotated, and the installed limiting seat 703 can limit the winding drum 4. When the winding drum 4 is taken down after winding, it is only necessary to rotate the bidirectional screw rod 702 in the opposite direction to make the two limiting seats 703 at the rectangular hole 6 move away, and then the winding drum 4 on the driving rod 14 can be directly removed, and the winding drum 4 can be quickly disassembled and assembled;

[0033] A protective cover 8 is used to rotate on one side of the mounting slot 901, and a first magnet 10 is provided on the protective cover 8. When the protective cover 8 is flipped over when closed, the first magnet 10 and the second magnet 11 on the mounting frame 1 are attracted and fixed, so that the driving components in the mounting slot 901 can be conveniently protected. When the protective cover 8 is in a closed state, a ventilation plate 12 with ventilation holes 13 on the protective cover 8 corresponds to the driving motor 903 in the mounting slot 901, so that the heat dissipation of the driving motor 903 can be convenient.

Claims

1. A safe winding device for co-extruded film production, comprising a mounting frame (1), characterized in that: The outer side of the mounting frame (1) is fixedly connected with a winding motor (2), the output end of the winding motor (2) extends into the inner side of the mounting frame (1) and is fixedly installed with a limit plate (3), a driving rod (14) is fixedly installed at the center of a circle of the limit plate (3) away from the winding motor (2), one end of the driving rod (14) is plugged with a winding drum (4), the outer side of the winding drum (4) is symmetrically fixedly connected with a limit ring (5), a rectangular hole (6) is opened on the side of the mounting frame (1) away from the winding motor (2), a limit mechanism (7) is provided on the inner side of the rectangular hole (6), the end of the driving rod (14) away from the winding motor (2) is rotatably connected to the inner side of the limit mechanism (7), and a driving mechanism (9) is provided at the lower end of the limit mechanism (7); The limiting mechanism (7) comprises a side groove (701) and a limiting seat (703); the side groove (701) is symmetrically arranged on the inner side of the rectangular hole (6); the inner side of the side groove (701) is rotatably connected to a bidirectional screw rod (702); the ends of the limiting seat (703) are fixedly connected to a connecting block (705); the limiting seat (703) is slidably connected to the inner side of the side groove (701) via the connecting block (705); the connecting block (705) is threadedly connected to the outer side of the bidirectional screw rod (702); a limiting arc groove (704) is arranged on the opposite side of the limiting seat (703); one end of the driving rod (14) away from the winding motor (2) is rotatably connected to the inner side of the limiting arc groove (704); and the driving mechanism (9) is arranged at the lower end of the bidirectional screw rod (702).

2. A safe winding device for co-extrusion film production according to claim 1, characterized in that: The outer side of the connection block (705) is symmetrically provided with a sliding groove (17), and the connection block (705) is slidably connected to the inner side of the side groove (701) through the sliding groove (17).

3. A safe winding device for co-extrusion film production according to claim 1, characterized in that: A threaded sleeve (18) is fixedly mounted on the inner side of the connection block (705), and the connection block (705) is threadedly connected to the outer side of the bidirectional screw rod (702) via the threaded sleeve (18).

4. A safe winding device for co-extrusion film production according to claim 1, characterized in that: The driving mechanism (9) comprises a mounting groove (901), wherein the mounting groove (901) is provided on a side of the mounting frame (1) away from the winding motor (2), the lower end of the bidirectional lead screw (702) is rotatably connected to the inner side of the mounting groove (901), a driving motor (903) is fixedly mounted on the inner side of the mounting groove (901), a sprocket (902) is fixedly mounted on the output end of the driving motor (903) and the outer side of the bidirectional lead screw (702), and the sprocket (902) on the outer side of the bidirectional lead screw (702) and the outer side of the sprocket (902) at the output end of the driving motor (903) are meshedly connected with the same chain (904).

5. A safe winding device for co-extrusion film production according to claim 4, characterized in that: A protective cover (8) is rotatably connected to one side of the slot opening of the mounting slot (901); a first magnet (10) is fixedly connected to the outer side of the protective cover (8); a second magnet (11) is fixedly connected to the outer side of the mounting frame (1); and one end of the protective cover (8) is movably connected to the first magnet (10) and the second magnet (11).

6. A safe winding device for co-extrusion film production according to claim 5, characterized in that: A ventilation plate (12) is fixedly mounted on the inner side of the protective cover (8), and a plurality of ventilation holes (13) are provided on the inner side of the ventilation plate (12), wherein the positions of the ventilation holes (13) and the driving motor (903) correspond to each other.

7. A safe winding device for co-extrusion film production according to claim 1, characterized in that: A positioning groove (16) is provided on the inner side of the winding drum (4), and a positioning strip (15) is fixedly connected to the outer side of the driving rod (14), and the positioning strip (15) and the positioning groove (16) are plug-connected.

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