CN219341101U

CN219341101U - Winding machine for BOPP film

Info

Publication number: CN219341101U
Application number: CN202320242917.7U
Authority: CN
Inventors: 贝楠
Original assignee: Shantou Special Economic Zone Xiongwei Plastic Packaging Materials Co ltd
Current assignee: Shantou Special Economic Zone Xiongwei Plastic Packaging Materials Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-14
Anticipated expiration: 2033-02-17

Abstract

The utility model relates to the technical field of winders, in particular to a winder for BOPP films, which comprises a frame, wherein the frame is provided with a winding roller, a first driving piece and a second driving piece, a braking component is movably arranged between the frame and the winding roller and used for braking the winding roller, the first driving piece is connected with the winding roller, the second driving piece is connected with the braking component, the first driving piece and the second driving piece are connected with the same control module, and the control module is used for controlling the opening and closing of the first driving piece and the second driving piece simultaneously.

Description

Winding machine for BOPP film

Technical Field

The utility model relates to the technical field of winders, in particular to a winder for BOPP films.

Background

The BOPP film is produced by making a solution of high polymer polypropylene into a sheet or thick film through a long and narrow machine head, then stretching the sheet or thick film in two directions (longitudinal direction and transverse direction) in a special stretching machine at a certain temperature and a set speed simultaneously or step by step, and carrying out proper cooling or heat treatment or special processing (such as corona, coating and the like) to obtain the film.

The traditional chinese patent with publication number CN214827576U proposes a BOPP film winding device, which uses a winding roller to wind a BOPP film, after winding is completed, the knob can control a gear at the end of the toothed plate clamping winding roller through rotating the knob, so as to position the winding roller after winding is completed, avoid the winding roller from rotating to cause the film to be loose, and further ensure the winding effect.

According to the prior art, because the manual operation is needed for clamping the winding roller, the winding of the winding roller is difficult to be performed synchronously with the clamping of the winding roller, and hysteresis exists in the clamping of the winding roller relative to the winding of the winding roller, so that the winding roller can still rotate after the winding is completed.

Disclosure of Invention

In order to more effectively prevent the condition that the winding roller rotates after winding is finished, the application provides a winding machine for BOPP films.

The winding machine for the BOPP film provided by the utility model adopts the following technical scheme:

the utility model provides a rolling machine that BOPP film was used, includes the frame, the frame is provided with wind-up roll, first driving piece and second driving piece, the frame with the activity is provided with brake subassembly between the wind-up roll, brake subassembly is used for the braking the wind-up roll, first driving piece with the wind-up roll is connected, the second driving piece with brake subassembly is connected, first driving piece with the second driving piece is connected with same control module, control module is used for the simultaneous control first driving piece with the second driving piece is opened and close.

Preferably, the braking assembly comprises a gear and a rack, the gear is fixedly arranged at the end part of the winding roller, and the rack is slidably arranged on the frame and connected with the second driving piece.

Preferably, the second driving part comprises an electromagnet and a first spring, the electromagnet and the first spring are arranged on the rack, the rack is made of a material which can be absorbed by the electromagnet, the rack is connected with the first spring, the electromagnet is electrified to separate the rack from the gear, and the electromagnet is powered off to enable the rack to be meshed with the gear.

Preferably, the rack comprises a tooth-shaped part and a straight plate part, the tooth-shaped part is in sliding connection with the straight plate part, the tooth-shaped part faces the gear, and the straight plate part is connected with the first spring.

Preferably, the tooth-shaped part is provided with a sliding block, the straight plate part is provided with a sliding groove, the sliding block is slidably arranged in the sliding groove, and the two opposite ends of the sliding block are respectively connected with second springs in one-to-one correspondence with the two opposite ends of the sliding groove.

Preferably, the rack is provided with a mounting plate, a first guide hole is formed in the mounting plate, a first guide rod penetrates through the first guide hole, and the rack is connected with the first guide rod.

Preferably, the rack is provided with a second guide hole, the second guide hole penetrates through a second guide rod, the sliding block is sleeved on the second guide rod, and the tail end of the second guide rod is provided with external threads and is in threaded connection with a nut.

Preferably, a limiting block is arranged on the side wall of the sliding groove, and the limiting block is located between the end portion of the sliding block and the end portion of the sliding groove.

Preferably, a buffer pad is arranged at one end of the tooth-shaped part, which faces the gear.

Preferably, the frame is provided with a protective cover, and the second driving member and the brake assembly are located in the protective cover.

The beneficial effects of the utility model are as follows:

1. the first driving piece is used for driving the winding roller to rotate, the winding roller rotates to wind the BOPP film, the second driving piece is used for driving the brake assembly, the brake assembly can clamp the winding roller after the winding is finished, and as the first driving piece and the second driving piece are in circuit control and are connected with the same control module, the winding of the winding roller is finished and the clamping of the winding roller can be synchronously carried out, the condition that hysteresis exists in the clamping of the winding roller relative to the winding of the winding roller is avoided, and the winding machine for the BOPP film can more effectively prevent the winding roller from rotating after the winding is finished;

2. the electromagnet is matched with the first spring to control the brake component by the second driving piece, so that the circuit control of the winding machine for the BOPP film on clamping of the winding roller is realized;

3. the rack comprises a tooth-shaped part and a straight plate part which are connected in a sliding way, so that the tooth-shaped part can slide relative to the straight plate part in the process of meshing the rack with the gear, and the rack can be smoothly meshed with the gear;

4. after the rack is separated from the gear through the arrangement of the second spring, the sliding block of the tooth-shaped part can be reset to the middle position of the sliding groove of the straight plate part, so that the tooth-shaped part can move in two directions when being meshed next time, and the rack can be meshed with the gear smoothly.

Drawings

FIG. 1 is an overall block diagram of a winder in an embodiment of the present application;

FIG. 2 is an internal block diagram of a winder in an embodiment of the present application;

FIG. 3 is a schematic view of the structure of a rack of the winder in the embodiment of the present application;

reference numerals illustrate: 1. a frame; 11. a bottom plate; 12. a vertical plate; 13. a mounting plate; 2. a wind-up roll; 21. a motor; 22. a gear; 3. a rack; 31. a tooth-shaped portion; 311. a slide block; 312. a cushion pad; 32. a straight plate portion; 321. a chute; 322. a limiting block; 4. an electromagnet; 51. a first spring; 52. a second spring; 61. a first guide bar; 62. a second guide bar; 621. a nut; 7. and a protective cover.

Detailed Description

The utility model will be further described with reference to figures 1-3 and examples.

The embodiment discloses a winding machine for BOPP films.

Referring to fig. 1 and 2, the winder for bopp films includes a frame 1, the frame 1 includes a bottom plate 11 and two risers 12, the bottom plate 11 is horizontally disposed, the two risers 12 are fixedly disposed on the upper surface of the bottom plate 11, the two risers 12 are vertically disposed, and the two risers 12 are distributed at intervals and parallel to each other. The frame 1 is provided with wind-up roll 2, first driving piece and second driving piece, wind-up roll 2 rotates and sets up between two risers 12 of frame 1, wind-up roll 2's axis of rotation is the horizon, the activity is provided with brake equipment between one riser 12 of frame 1 and the one end of wind-up roll 2, first driving piece is connected with wind-up roll 2, first driving piece is used for driving wind-up roll 2 rotation, pivoted wind-up roll 2 rolls up the BOPP film, in this embodiment, first driving piece is motor 21, motor 21 erects on the bottom plate 11 of frame 1. The second driving piece is connected with brake subassembly, and the second driving piece is used for driving brake subassembly, and brake subassembly can be after the rolling finishes chucking wind-up roll 2, and first driving piece and second driving piece are connected in same control module, because first driving piece and second driving piece are circuit control and connect in same control module, consequently the rolling of wind-up roll 2 finishes and the chucking of wind-up roll 2 can go on in step, avoids the chucking of wind-up roll 2 to finish the condition that there is hysteresis for the rolling of wind-up roll 2 for the condition that the wind-up roll 2 appears gyration after the rolling finishes can be prevented more effectively to this BOPP film for the wind-up roll.

Referring to fig. 2 and 3, the brake assembly includes a gear 22 and a rack 3, the gear 22 is fixedly sleeved at the end of the wind-up roller 2, the gear 22 is coaxial with the wind-up roller 2, when the wind-up roller 2 rotates to wind, the gear 22 rotates along with the wind-up roller 2, the rack 3 is slidably disposed on the vertical plate 12 of the frame 1 and connected with the second driving member, specifically, the frame 1 is fixedly provided with a mounting plate 13, the mounting plate 13 is provided with two first guide holes, the first guide holes are round holes, the two first guide holes all penetrate through the first guide rod 61, the first guide rod 61 is a round rod, the two first guide rods 61 are parallel to each other, the rack 3 is simultaneously connected with the first guide rod 61, the rack 3 is slidably disposed on the frame 1 through sliding of the first guide rod 61 in the first guide holes, and the rack 3 is close to or far away from the gear 22 in the sliding process.

Referring to fig. 2, the second driving member includes an electromagnet 4 and a first spring 51, where the electromagnet 4 is fixedly disposed on the mounting plate 13 and located between the mounting plate 13 and the rack 3, and the rack 3 is made of a material that can be absorbed by the electromagnet 4, in this embodiment, the rack 3 is made of iron, so that the electromagnet 4 after being electrified can attract the rack 3 and make the rack 3 slide in a direction away from the gear 22, so as to separate the rack 3 from the gear 22. The number of the first springs 51 is two, the first springs 51 are connected between the mounting plate 13 and the rack 3, the electromagnet 4 after power failure does not adsorb the rack 3 any more, at this time, the rack 3 automatically slides towards the direction close to the gear 22 under the action of the first springs 51 so as to realize the engagement of the rack 3 and the gear 22, thereby clamping the winding roller 2, in sum, the electromagnet 4 is electrified to separate the rack 3 from the gear 22, the electromagnet 4 is powered off to enable the rack 3 to engage with the gear 22, and the electromagnet and the first springs 51 cooperate to realize the control of the second driving piece on the brake assembly, so that the winding machine for BOPP films can realize the circuit control of the winding roller 2.

Referring to fig. 2 and 3, the rack 3 includes a tooth-shaped portion 31 and a straight plate portion 32, the tooth-shaped portion 31 is slidably connected with the straight plate portion 32, and the sliding direction is a vertical direction, the tooth-shaped portion 31 faces the gear 22, the straight plate portion 32 is connected with the first spring 51, and since the rack 3 includes the tooth-shaped portion 31 and the straight plate portion 32 which are slidably connected, the tooth-shaped portion 31 can slide relative to the straight plate portion 32 during the engagement of the rack 3 with the gear 22, so as to ensure that the rack 3 can be smoothly engaged with the gear 22. Specifically, the tooth-shaped portion 31 is provided with the sliding block 311, the straight plate portion 32 is provided with the sliding groove 321, the length direction of the sliding groove 321 is the vertical direction, the sliding block 311 is slidably arranged in the sliding groove 321, the upper end and the lower end of the sliding block 311 are respectively connected with the second springs 52 in a one-to-one correspondence manner, after the rack 3 is separated from the gear 22, the sliding block 311 of the tooth-shaped portion 31 can be reset to the middle position of the sliding groove 321 of the straight plate portion 32, and the tooth-shaped portion 31 can be ensured to move in two directions when being meshed next time, so that the rack 3 can be ensured to be smoothly meshed with the gear 22. In addition, the one end that tooth profile portion 31 is towards gear 22 is provided with blotter 312, and blotter 312 is the rubber pad, and blotter 312 provides the buffering effect for the collision of gear 22 and rack 3, reduces the damage of gear 22 and rack 3 to the noise reduction.

Referring to fig. 3, the rack 3 is provided with a second guide hole, the second guide hole penetrates through the upper end and the lower end of the sliding groove 321 and the upper end and the lower end of the sliding block 311, the second guide hole penetrates through the second guide rod 62, the sliding block 311 is sleeved on the second guide rod 62, the part of the second guide rod 62, which is sleeved by the sliding block 311, is a polished rod, the second guide rod 62 can guide the sliding of the sliding block 311, the second guide rod 62 also penetrates through the two second springs 52, and the second guide rod 62 also guides the deformation of the second springs 52. Further, the end of the second guide bar 62 is provided with external threads and is screw-coupled with a nut 621, so that the second guide bar 62 is detachably coupled to the rack 3, thereby enabling the tooth-shaped portion 31 of the rack 3 to be detachable from the straight plate portion 32.

Referring to fig. 3, two opposite sidewalls of the sliding groove 321 are provided with a limiting block 322, the limiting block 322 is located between an end of the sliding block 311 and an end of the sliding groove 321, the limiting block 322 is located on a sliding path of the sliding block 311, and when the sliding block 311 slides upwards or downwards, the limiting block 322 can limit a sliding range of the sliding block 311, and the second spring 52 is prevented from being excessively compressed, so that a protection effect is achieved on the second spring 52.

Referring to fig. 1 and 2, the frame 1 is further provided with a protective cover 7 on a riser 12 provided with a brake assembly and a second driving member, the second driving member and the brake assembly being located in the protective cover 7, the protective cover 7 having a protective effect on the second driving member and the brake assembly.

The implementation principle of the winding machine for BOPP films in the embodiment is as follows: the motor 21 is used for driving the wind-up roll 2 to rotate, the pivoted wind-up roll 2 is used for driving the brake component to wind the BOPP film, the brake component can be used for clamping the wind-up roll 2 after the wind-up is finished, because the motor 21 and the electromagnet 4 are circuit control and are located in the same circuit, the wind-up of the wind-up roll 2 is finished and the clamping of the wind-up roll 2 can be synchronously carried out, the situation that hysteresis exists in the clamping of the wind-up roll 2 relative to the wind-up of the wind-up roll 2 is avoided, and the wind-up roll for the BOPP film can be used for preventing the wind-up roll 2 from rotating after the wind-up is finished more effectively.

The foregoing are preferred embodiments of the present utility model, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A rolling machine for BOPP films is characterized in that: including frame (1), frame (1) is provided with wind-up roll (2), first driving piece and second driving piece, frame (1) with the activity is provided with brake subassembly between wind-up roll (2), brake subassembly is used for the braking wind-up roll (2), first driving piece with wind-up roll (2) are connected, the second driving piece with brake subassembly is connected, first driving piece with the second driving piece is connected with same control module, control module is used for simultaneous control first driving piece with the second driving piece is opened and close.

2. The winder for BOPP films of claim 1, wherein: the braking assembly comprises a gear (22) and a rack (3), the gear (22) is fixedly arranged at the end part of the winding roller (2), and the rack (3) is slidably arranged on the frame (1) and connected with the second driving piece.

3. The winder for BOPP films of claim 2, wherein: the second driving piece comprises an electromagnet (4) and a first spring (51) which are arranged on the frame (1), the rack (3) is made of a material which can be adsorbed by the electromagnet (4), the rack (3) is connected with the first spring (51), the electromagnet (4) is electrified to enable the rack (3) to be separated from the gear (22), and the electromagnet (4) is powered off to enable the rack (3) to be meshed with the gear (22).

4. A winder for BOPP films according to claim 3, wherein: the rack (3) comprises a tooth-shaped part (31) and a straight plate part (32), the tooth-shaped part (31) is in sliding connection with the straight plate part (32), the tooth-shaped part (31) faces the gear (22), and the straight plate part (32) is connected with the first spring (51).

5. The winder for BOPP films of claim 4, wherein: the tooth-shaped part (31) is provided with a sliding block (311), the straight plate part (32) is provided with a sliding groove (321), the sliding block (311) is slidably arranged in the sliding groove (321), and second springs (52) are respectively connected between the opposite ends of the sliding block (311) and the opposite ends of the sliding groove (321) in a one-to-one correspondence manner.

6. The winder for BOPP films of claim 2, wherein: the rack (1) is provided with a mounting plate (13), the mounting plate (13) is provided with a first guide hole, the first guide hole penetrates through a first guide rod (61), and the rack (3) is connected with the first guide rod (61).

7. The winder for BOPP films of claim 5, wherein: the rack (3) is provided with a second guide hole, the second guide hole penetrates through a second guide rod (62), the sliding block (311) is sleeved on the second guide rod (62), and the tail end of the second guide rod (62) is provided with external threads and is in threaded connection with a nut (621).

8. The winder for BOPP films of claim 5, wherein: the side wall of the sliding groove (321) is provided with a limiting block (322), and the limiting block (322) is located between the end part of the sliding block (311) and the end part of the sliding groove (321).

9. The winder for BOPP films of claim 4, wherein: one end of the tooth-shaped part (31) facing the gear (22) is provided with a buffer pad (312).

10. The winder for BOPP films of claim 1, wherein: the frame (1) is provided with a protective cover (7), and the second driving piece and the braking component are positioned in the protective cover (7).