Film blowing equipment for preparing high-transparency PE film
By installing a drive roller, a correction disc, and a lubrication mechanism at the outlet of the blown film equipment, the problem of film misalignment during the winding process is solved, the consistency and smoothness of the film output path are achieved, and the winding effect is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-03-31
AI Technical Summary
Existing blown film equipment is prone to misalignment during the winding process after the film is discharged because the film is relatively soft, which affects the subsequent winding effect.
A drive roller and an auxiliary roller are installed at the outlet of the blown film device, with a correction disc sleeved on the outside. Driven by an electric motor, the correction disc spacing is adjusted by the screw movement of the moving block and the bidirectional screw. The screw is lubricated by a lubrication mechanism to ensure the consistency and smoothness of the film discharge path.
It achieves stable guidance for films of different widths, avoids misalignment during the winding process, and improves winding efficiency and quality.
Smart Images

Figure CN224060450U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of blown film equipment, specifically a blown film equipment for preparing high-permeability PE films. Background Technology
[0002] High-transparency PE film is a polyethylene film with high transparency, commonly used for product packaging and protection. High-transparency PE film is generally produced using blown film equipment. Utility model patent CN220562130U discloses a blown film machine for PE film production, relating to the field of film production technology. The machine includes a base, a box body on the top left side of the base, support legs fixedly connected to the four corners of the box body's bottom, the bottom ends of the four support legs fixedly connected to the top left side of the base, a feed inlet fixedly connected to the top left side of the box body, and two support seats fixedly connected to the top of the base.
[0003] Existing blown film equipment, due to the soft texture of the film, is prone to misalignment during the winding process after discharge, thus affecting subsequent winding. Therefore, improvements are needed. Utility Model Content
[0004] The purpose of this invention is to provide a blown film equipment for the preparation of high-permeability PE film, which solves the problem that in existing blown film equipment, the film is relatively soft and its travel path is easily misaligned during the winding process, thus affecting subsequent winding.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a blown film device for preparing high-permeability PE film, comprising a base, a blown film device disposed on the upper left side of the base, a frame fixedly connected to the upper right side of the base, a motor fixedly mounted on the outer side of the frame, the output shaft of the motor penetrating the frame and connected to the frame via a bearing, a drive roller fixedly connected to the end of the output shaft, the other end of the drive roller connected to the frame via a bearing, an auxiliary roller mounted on the inner side of the frame and above the drive roller via a bearing, two correction discs slidably sleeved between the auxiliary roller and the drive roller, a moving block fixedly connected to the top of each correction disc, the moving block slidably connected to the frame, a bidirectional screw mounted inside the frame via a bearing, the bidirectional screw penetrating the moving block and connected to the moving block via a thread, and a lubrication mechanism disposed inside the moving block.
[0006] Preferably, a turntable is fixedly connected to one end of the bidirectional screw located on the outer side of the frame, and a rotating rod is fixedly connected to the turntable. The turntable and rotating rod facilitate rotation of the bidirectional screw.
[0007] Preferably, a guide block is fixedly connected to the top of the movable block, and the guide block passes through the frame and is slidably connected to the frame. The guide block guides the axial movement of the movable block along the bidirectional screw.
[0008] Preferably, the lubrication mechanism includes a hollow plate fixedly connected inside the movable block. A sliding rod is slidably connected inside the hollow plate and passes through the hollow plate. A stop block is fixedly connected to one end of the sliding rod, and the stop block abuts against the hollow plate. An inclined block is fixedly connected to the other end of the sliding rod and is slidably connected inside the movable block. A sponge block is slidably sleeved on the outer side of the sliding rod, and the sponge block contacts both the hollow plate and the inclined block. A push rod is slidably connected to the side of the movable block and passes through the movable block. One end of the push rod abuts against the inclined block, and the other end of the push rod is fixedly connected to a pressing block. This lubrication mechanism provides lubrication and prevents jamming between the bidirectional screw and the movable block.
[0009] Preferably, the movable block has an oil outlet hole inside, and the position of the oil outlet hole corresponds to that of the bidirectional screw. The oil outlet hole facilitates the addition of lubricating oil to the bidirectional screw.
[0010] Preferably, a rubber stopper is slidably connected to the side of the movable block, and the rubber stopper extends through the movable block. The rubber stopper facilitates the subsequent application of lubricating oil to the sponge block.
[0011] Preferably, a spring is provided on the inner side of the movable block, one end of the spring is fixedly connected to the inclined block, and the other end of the spring is fixedly connected to the hollow plate. The spring provides auxiliary repositioning for the inclined block.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0013] 1. This utility model sets up a combination of a drive shaft driven by an electric motor and an auxiliary roller at the discharge port of a blown film device. Then, two straightening discs are sleeved on the outside of the drive roller and the auxiliary roller. A combination of a moving block and a bidirectional screw is set above the straightening discs. In this way, the spacing of the straightening discs can be controlled by the threaded movement between the bidirectional screw and the moving block, thereby satisfying the need to guide films of different widths and ensuring the consistency of their discharge path.
[0014] 2. This utility model provides a lubrication mechanism within the moving block. A certain amount of lubricating oil is stored in the sponge block. The push rod is pushed by the pressing block, and the push rod applies a thrust to the inclined block, thereby squeezing the sponge block and releasing the lubricating oil. This lubricates the threaded connection between the bidirectional screw and the moving block, ensuring smooth adjustment and preventing jamming. Attached Figure Description
[0015] Figure 1 This is a perspective view of the overall structure of this utility model;
[0016] Figure 2 For the present utility model Figure 1 A partial structural diagram;
[0017] Figure 3 For the present utility model Figure 1 The frame front sectional view;
[0018] Figure 4 For the present utility model Figure 3 Enlarged view of the structure of part A.
[0019] In the diagram: 1. Base; 2. Film blowing device; 3. Frame; 4. Motor; 5. Drive roller; 6. Auxiliary roller; 7. Correction plate; 8. Moving block; 9. Lubrication mechanism; 10. Guide block; 11. Bidirectional screw; 12. Turntable; 13. Rotating rod; 91. Hollow plate; 92. Slide rod; 93. Stop block; 94. Inclined block; 95. Sponge block; 96. Spring; 97. Push rod; 98. Pressing block; 99. Rubber stopper; 910. Oil outlet. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Please see Figure 1-3 A blown film device for preparing high-permeability PE film includes a base 1, a blown film device 2 is provided on the upper left side of the base 1, a frame 3 is fixedly connected to the upper right side of the base 1, a motor 4 is fixedly installed on the outer side of the frame 3, the end of the output shaft of the motor 4 passes through the frame 3 and is connected to the frame 3 through a bearing, a drive roller 5 is fixedly connected to the end of the output shaft, the other end of the drive roller 5 is connected to the frame 3 through a bearing, and an auxiliary roller 6 is installed on the inner side of the frame 3 and above the drive roller 5 through a bearing.
[0022] Please see Figure 1-4Two alignment discs 7 are slidably sleeved between the auxiliary roller 6 and the drive roller 5. A movable block 8 is fixedly connected to the top of each alignment disc 7. The movable block 8 is slidably connected to the frame 3, and a guide block 10 is fixedly connected to the top of the movable block 8. The guide block 10 passes through the frame 3 and is slidably connected to the frame 3. The guide block 10 guides the axial movement of the movable block 8 on the bidirectional screw 11. The bidirectional screw 11 is mounted inside the frame 3 via bearings. The bidirectional screw 11 passes through the movable block 8 and is threadedly connected to it. A turntable 12 is fixedly connected to one end of the bidirectional screw 11 located outside the frame 3. A rotating rod 13 is fixedly connected to the turntable 12. The turntable 12 and rotating rod 13 facilitate rotation to the bidirectional screw 11.
[0023] Please see Figure 4 The movable block 8 is equipped with a lubrication mechanism 9. This lubrication mechanism 9 provides lubrication and prevents jamming between the bidirectional screw 11 and the movable block 8. The lubrication mechanism 9 includes a hollow plate 91 fixedly connected inside the movable block 8. A slide rod 92 is slidably connected inside the hollow plate 91, and the slide rod 92 passes through the hollow plate 91. A through hole is formed inside the hollow plate 91, and the slide rod 92 is located within the through hole, with a diameter smaller than the through hole. A stop block is fixedly connected to one end of the slide rod 92. 93. The stop block 93 abuts against the hollow plate 91. The other end of the slide rod 92 is fixedly connected to the inclined block 94, which is slidably connected inside the moving block 8. A sponge block 95 is slidably sleeved on the outside of the slide rod 92. The sponge block 95 is in contact with both the hollow plate 91 and the inclined block 94. A push rod 97 is slidably connected to the side of the moving block 8, and the push rod 97 passes through the moving block 8. One end of the push rod 97 abuts against the inclined block 94, and the other end of the push rod 97 is fixedly connected to the pressing block 98. An oil outlet hole 910 is opened inside the moving block 8, and the position of the oil outlet hole 910 corresponds to the bidirectional screw 11. The oil outlet hole 910 facilitates the addition of lubricating oil to the bidirectional screw 11. A rubber plug 99 is slidably connected to the side of the moving block 8, and the rubber plug 99 passes through the moving block 8. The rubber plug 99 facilitates the subsequent addition of lubricating oil to the sponge block 95. A spring 96 is provided on the inner side of the movable block 8. One end of the spring 96 is fixedly connected to the inclined block 94, and the other end of the spring 96 is fixedly connected to the hollow plate 91. The spring 96 provides an auxiliary resetting function for the inclined block 94.
[0024] The specific implementation process of this utility model is as follows: In use, after the film is discharged through the blown film device 2, the end is placed between the drive roller 5 and the auxiliary roller 6, and then driven by the motor 4. The film is guided by two straightening discs 7 to ensure the consistency of the travel path. The bidirectional screw 11 is rotated by the rotating rod 13 and the turntable 12, so that the two moving blocks 8 move towards or away from each other, thereby adjusting the distance between the two straightening discs 7, thus satisfying the guidance of films of different widths and increasing applicability. In addition, the push rod 97 is pushed by the pressing block 98, and the push rod 97 applies a pushing force to the inclined block 94, thereby squeezing the sponge block 95 and releasing lubricating oil, thereby lubricating the thread connection of the bidirectional screw 11 and the moving block 8, thus ensuring smooth adjustment and preventing jamming.
[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A film blowing device for preparing high transparent PE film, comprising a base (1), characterized in that: The upper end left side of the base (1) is provided with a film blowing device (2), the upper end right side of the base (1) is fixedly connected with a frame (3), the outer side of the frame (3) is fixedly installed with a motor (4), the output shaft end of the motor (4) penetrates through the frame (3) and is connected with the frame (3) through a bearing, the output shaft end is fixedly connected with a drive roller (5), the other end of the drive roller (5) is connected with the frame (3) through a bearing, the inner side of the frame (3) and above the drive roller (5) is installed with an auxiliary roller (6) through a bearing, two deviation correction discs (7) are commonly sleeved and slid between the auxiliary roller (6) and the drive roller (5), the top of each deviation correction disc (7) is fixedly connected with a moving block (8), the moving block (8) is slidably connected with the frame (3), the inside of the frame (3) is installed with a bidirectional screw rod (11) through a bearing, the bidirectional screw rod (11) penetrates through the moving block (8) and is connected with the moving block (8) through a thread, the inside of the moving block (8) is provided with a lubricating mechanism (9).
2. The film blowing device for preparing high transparent PE film according to claim 1, characterized in that: One end of the bidirectional screw rod (11) is fixedly connected with a rotating disc (12) outside the frame (3), and the rotating disc (12) is fixedly connected with a rotating rod (13).
3. The film blowing apparatus for preparing high transparent PE film according to claim 1, characterized in that: The top of the moving block (8) is fixedly connected with a guide block (10), the guide block (10) penetrates through the frame (3) and is slidably connected with the frame (3).
4. The film blowing device for preparing high transparent PE film according to claim 1, characterized in that: The lubricating mechanism (9) comprises a hollow plate (91) fixedly connected to the inside of the moving block (8), a sliding rod (92) slidably connected to the inside of the hollow plate (91), and the sliding rod (92) penetrates through the hollow plate (91), one end of the sliding rod (92) is fixedly connected with a stop block (93), the stop block (93) abuts against the hollow plate (91), the other end of the sliding rod (92) is fixedly connected with an inclined block (94), and the inclined block (94) is slidably connected to the inside of the moving block (8), the outer side of the rod body of the sliding rod (92) is slidably sleeved with a sponge block (95), the sponge block (95) contacts the hollow plate (91) and the inclined block (94), the side edge of the moving block (8) is slidably connected with a push rod (97), and the push rod (97) penetrates through the moving block (8), one end of the push rod (97) abuts against the inclined block (94), and the other end of the push rod (97) is fixedly connected with a pressing block (98).
5. The film blowing apparatus for preparing high transparent PE film according to claim 4, characterized in that: An oil outlet hole (910) is formed in the inside of the moving block (8), and the position of the oil outlet hole (910) corresponds to the bidirectional screw rod (11).
6. The film blowing apparatus for preparing high transparent PE film according to claim 4, characterized in that: The side edge of the moving block (8) is slidably connected with a rubber plug (99), and the rubber plug (99) penetrates through the moving block (8).
7. The film blowing apparatus for preparing high transparent PE film according to claim 4, characterized in that: The inside of the moving block (8) is provided with a spring (96), one end of the spring (96) is fixedly connected with the inclined block (94), and the other end of the spring (96) is fixedly connected with the hollow plate (91).
Citation Information
Patent Citations
Film blowing machine for PE film production
CN220562130U