Guide mechanism of BOPP (biaxially-oriented polypropylene) film splitting machine

Abstract

The utility model discloses a guide mechanism of a BOPP (biaxially-oriented polypropylene) film splitting machine, which comprises limiting plates, the limiting plates are arranged above a guide seat, the upper end of the guide seat is provided with a chute, the two limiting plates are respectively provided with a first through hole, a second through hole and a threaded hole, one side of the guide seat is provided with a second motor, and the other side of the guide seat is provided with a third motor. A double-end lead screw is arranged in the sliding groove. The material conveying roller is arranged above the guide seat, and a first motor is arranged on one side of the guide seat; and the mounting groove is formed in the limiting plate, a mounting base is arranged in the mounting groove, a third motor is arranged on one side of the mounting base, a pressing roller is arranged on the other side of the mounting base, and an electric push rod is arranged in the mounting groove. The two limiting plates make contact with the two side ends of the BOPP film correspondingly, the guiding and limiting effects on the conveyed BOPP film are achieved, the BOPP film can be prevented from deviating, and the slitting precision of the BOPP film is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of BOPP films, in particular to a guide mechanism of a BOPP film slitting machine. Background Art

[0002] BOPP film, or biaxially oriented polypropylene film, is produced by first passing a high-molecular-weight polypropylene melt through a narrow die to form a sheet or thick film. It is then stretched simultaneously or sequentially in two perpendicular directions in a dedicated stretching machine at a specific temperature and set speed. The film is then cooled, heat treated, or processed appropriately to form the film. BOPP film is colorless, odorless, tasteless, and non-toxic, and exhibits high tensile strength, impact strength, rigidity, toughness, and good transparency. A film slitter is a mechanical device that cuts wide film into multiple narrow strips.

[0003] The Chinese patent publication number is CN208747290U, and the authorization announcement date is April 16, 2019. A guide mechanism suitable for an aluminum foil slitting machine includes a concave connecting seat, the two longitudinal parts of the concave connecting seat are respectively connected to the aluminum foil slitting machine, a first guide device is fixedly connected to the side of the concave connecting seat's transverse portion away from the longitudinal part, and a second guide device that cooperates with the first guide device is movably connected to the surface of the concave connecting seat's transverse portion opposite the first guide device. The first guide device and the second guide device have the same structure, and an adjustment mechanism that slidably cooperates with the second guide device is provided in the transverse portion of the concave connecting seat. The utility model solves the problem that when the existing aluminum foil slitting machine is in operation, on the one hand, the aluminum foil falls under the action of gravity, and the tension generated by the fall may damage the aluminum foil. On the other hand, the aluminum foil may slide and deflect, and manual correction is required after the deflection, which wastes a lot of time and seriously affects production efficiency.

[0004] When existing slitting machines slit BOPP film, the BOPP film is relatively soft and light, and there is no effective guiding mechanism. The BOPP film is easily deflected during the conveying and pulling process. Slitting the deflected BOPP film will reduce the accuracy and easily cause wrinkles in the BOPP film, reducing the BOPP film slitting effect and failing to meet usage requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a guide mechanism for a BOPP film slitting machine to solve the problem mentioned in the above background technology that when the existing slitting machine slits BOPP film, the BOPP film is relatively soft and light, and there is no effective guide mechanism. This easily causes the BOPP film to deviate during the conveying and pulling process, and the slitting accuracy of the deviated BOPP film is reduced. It is also easy to cause wrinkles in the BOPP film, thereby reducing the BOPP film slitting effect and failing to meet the use requirements.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a guide mechanism for a BOPP film slitting machine, comprising a guide seat and:

[0007] A limit plate is arranged above the guide seat, and the limit plate is provided with two, and the upper end of the guide seat is provided with a slide groove, and the slide groove is provided with two, and one end of the limit plate extends to the inside of the slide groove, and the limit plate is slidably connected to the guide seat, and the two limit plates are provided with a first through hole, a second through hole and a threaded hole, and the first through hole, the second through hole and the threaded hole are arranged in sequence from top to bottom, a second motor is provided on one side of the guide seat, and the second motor is connected to the guide seat by screws, a double-headed screw rod is provided inside the slide groove, and one end of the double-headed screw rod is connected to the output end of the second motor, the double-headed screw rod and the threaded hole are through-arranged, the double-headed screw rod is threadedly connected to the limit plate, and the double-headed screw rod is rotatably connected to the guide seat;

[0008] A feed roller is provided above the guide seat and is rotatably connected to the guide seat. The feed roller is connected to the second through hole and is slidably connected to the limit plate. A first motor is provided on one side of the guide seat and is connected to the guide seat by screws. An output end of the first motor is connected to one end of the feed roller.

[0009] The mounting groove is arranged inside the limit plate, and the mounting groove is connected to the second through hole. A mounting seat is arranged inside the mounting groove, and the mounting seat is movably connected to the limit plate. A third motor is arranged on one side of the mounting seat, and the third motor is connected to the mounting seat by screws. A pressure roller is arranged on the other side of the mounting seat, and one end of the pressure roller is connected to the output end of the third motor. An electric push rod is arranged inside the mounting groove, and the electric push rod is arranged above the mounting seat, and the electric push rod is fixedly connected to the limit plate and the mounting seat.

[0010] Preferably, sliders are provided on both sides of the mounting seat, and the sliders are fixedly connected to the mounting seat, and the sliders are slidably connected to the limiting plates.

[0011] Preferably, a silicone strip is provided on one side of the two limiting plates, and the silicone strip is connected to the limiting plates as a whole.

[0012] Preferably, transverse plates are provided on both sides of the two limiting plates, and the transverse plates are fixedly connected to the limiting plates. Balls are provided at the lower ends of the transverse plates, and the balls are rollingly connected to the transverse plates, and the balls are in contact with the guide seats.

[0013] Preferably, a guide rod is provided between the two limit plates, the guide rod is provided to pass through the first through hole, and the guide rod is slidably connected to the limit plate, limit blocks are provided at both ends of the guide rod, and the limit blocks are fixedly connected to the guide rod, a spring is provided on the outside of the guide rod, two springs are provided, and the springs are slidably connected to the guide rod, the two springs are provided on one side of the limit plate, and the two ends of the spring are respectively in contact with the limit plate and the limit block.

[0014] Preferably, a scale bar is provided on one side of each of the two limit plates, and the scale bar is fixedly connected to the limit plate. A pointer is provided on one side of the limit plate, and the pointer is L-shaped. One end of the pointer is fixedly connected to the third motor, and the pointer is arranged corresponding to the scale bar.

[0015] Preferably, connecting plates are provided on both sides of the lower end of the guide seat, there are two connecting plates, and the connecting plates are fixedly connected to the guide seat, connecting bolts are provided above the two connecting plates, and the connecting bolts are matched with the connecting plates, and a compression spring is provided between the connecting bolts and the connecting plates.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. This device comprises a limit plate, a second motor, a double-ended screw, and a silicone strip. The second motor drives the double-ended screw to rotate, which is threadedly connected to the limit plate. The rotation of the double-ended screw drives the two limit plates to move synchronously, changing the distance between the two limit plates. The two limit plates are brought into contact with the two side ends of the BOPP film, guiding and limiting the BOPP film and preventing it from deviating during transport. The silicone strip protects the BOPP film.

[0018] 2. The utility model device is equipped with a feed roller, a first motor, a pressure roller, a third motor and an electric push rod. The first motor drives the feed roller to rotate, and the third motor drives the pressure roller to rotate. The feed roller and the pressure roller are in contact with the lower end surface and the upper end surface of the BOPP film respectively. The friction force generated by the contact between the feed roller and the pressure roller and the BOPP film is used to drive the BOPP film to move when the feed roller and the pressure roller rotate, thereby realizing the BOPP film transportation. The electric push rod drives the mounting base to rise and fall. As the mounting base rises and falls, the height of the pressure roller changes. The distance between the feed roller and the pressure roller is adjustable, which is convenient for conveying BOPP films of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the overall front view of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3This is a side view of the limit plate of the utility model;

[0022] Figure 4 This is a diagram showing the connection relationship between the mounting seat and the limiting plate of the utility model.

[0023] In the figure: 1. Guide seat; 2. Feed roller; 3. First motor; 4. Connecting plate; 5. Connecting bolt; 6. Compression spring; 7. Limit plate; 8. Guide rod; 9. Limit block; 10. Spring; 11. Cross plate; 12. Second motor; 13. Ball bearing; 14. Third motor; 15. Pressure roller; 16. Slide groove; 17. Double-headed screw; 18. Electric push rod; 19. Mounting groove; 20. Mounting seat; 21. Silicone strip; 22. First through hole; 23. Second through hole; 24. Pointer; 25. Threaded hole; 26. Slider; 27. Scale bar. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] See also Figure 1-4 The present invention provides an embodiment of a guide mechanism for a BOPP film slitting machine, comprising a guide seat 1 and further comprising:

[0026] A limiting plate 7 is arranged above the guide seat 1, and two limiting plates 7 are provided. A slide groove 16 is provided at the upper end of the guide seat 1. The slide groove 16 is provided with two, and one end of the limiting plate 7 extends to the inside of the slide groove 16, and the limiting plate 7 is slidably connected to the guide seat 1. A first through hole 22, a second through hole 23 and a threaded hole 25 are provided on the two limiting plates 7, and the first through hole 22, the second through hole 23 and the threaded hole 25 are arranged in sequence from top to bottom. A second motor 12 is provided on one side of the guide seat 1, and the second motor 12 is connected to the guide seat 1 by screws. A double-headed screw rod 17 is provided inside the slide groove 16, and one end of the double-headed screw rod 17 is connected to the output end of the second motor 12, the double-headed screw rod 17 is connected to the threaded hole 25, the double-headed screw rod 17 is threadedly connected to the limiting plate 7, and the double-headed screw rod 17 is rotatably connected to the guide seat 1;

[0027] A feed roller 2 is provided above the guide seat 1 and is rotatably connected to the guide seat 1. The feed roller 2 is connected to the second through hole 23 and is slidably connected to the limit plate 7. A first motor 3 is provided on one side of the guide seat 1 and is connected to the guide seat 1 by screws. The output end of the first motor 3 is connected to one end of the feed roller 2.

[0028] The mounting groove 19 is arranged inside the limit plate 7, and the mounting groove 19 is connected to the second through hole 23. A mounting seat 20 is arranged inside the mounting groove 19, and the mounting seat 20 is movably connected to the limit plate 7. A third motor 14 is arranged on one side of the mounting seat 20, and the third motor 14 is connected to the mounting seat 20 by screws. A pressure roller 15 is arranged on the other side of the mounting seat 20, and one end of the pressure roller 15 is connected to the output end of the third motor 14. An electric push rod 18 is arranged inside the mounting groove 19, and the electric push rod 18 is arranged above the mounting seat 20. The electric push rod 18 is fixedly connected to the limit plate 7 and the mounting seat 20.

[0029] During use: turn on the second motor 12 to drive the double-headed screw 17 to rotate, and as the double-headed screw 17 rotates, the two limit plates 7 are driven to move synchronously, and the distance between the two limit plates 7 is adjusted to the same as the width of the BOPP film. The BOPP film is placed flat on the feed roller 2, and the two side ends of the BOPP film are in contact with the limit plates 7. The electric push rod 18 is driven to drive the mounting seat 20 to descend, and the pressure roller 15 is in contact with the BOPP film. At the same time, the first motor 3 and the third motor 14 are turned on to drive the feed roller 2 and the pressure roller 15 to rotate respectively. The feed roller 2 and the pressure roller 15 have the same rotation speed. As the feed roller 2 and the pressure roller 15 rotate, the BOPP film is conveyed, and the conveyed BOPP film can be guided and limited.

[0030] See also Figure 2 and Figure 4 Sliders 26 are provided on both sides of the mounting seat 20, and the slides 26 are fixedly connected to the mounting seat 20. The slides 26 are slidably connected to the limit plate 7. The slides 26 guide the lifting mounting seat 20 to ensure that the mounting seat 20 is lifted and lowered smoothly.

[0031] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A silicone strip 21 is provided on one side of each of the two limiting plates 7, and the silicone strip 21 is connected to the limiting plate 7 as a whole. The silicone strip 21 contacts the two side ends of the BOPP film, thereby protecting the transported BOPP film.

[0032] See also Figure 1 and Figure 3 , a horizontal plate 11 is provided on both sides of the two limit plates 7, and the horizontal plate 11 is fixedly connected to the limit plates 7, a ball 13 is provided at the lower end of the horizontal plate 11, and the ball 13 is rollingly connected to the horizontal plate 11, and the ball 13 is in contact with the guide seat 1, and the moving limit plate 7 is guided by the horizontal plate 11 and the ball 13, which can also reduce the movement resistance of the limit plate 7 and improve the movement stability of the limit plate 7.

[0033] See also Figure 1 and Figure 2A guide rod 8 is provided between the two limit plates 7. The guide rod 8 is arranged to pass through the first through hole 22, and the guide rod 8 is slidably connected to the limit plate 7. Limit blocks 9 are provided at both ends of the guide rod 8, and the limit blocks 9 are fixedly connected to the guide rod 8. A spring 10 is provided on the outside of the guide rod 8. There are two springs 10, and the spring 10 is slidably connected to the guide rod 8. The two springs 10 are provided on one side of the limit plate 7, and the two ends of the spring 10 are respectively fitted with the limit plate 7 and the limit block 9. The guide rod 8 and the spring 10 play a guiding and limiting role on the two moving limit plates 7, thereby improving the smooth movement of the limit plate 7.

[0034] See also Figure 1 and Figure 4 A scale bar 27 is provided on one side of each limit plate 7, and the scale bar 27 is fixedly connected to the limit plate 7. A pointer 24 is provided on one side of the limit plate 7, and the pointer 24 is L-shaped. One end of the pointer 24 is fixedly connected to the third motor 14, and the pointer 24 is corresponding to the scale bar 27. The lifting amount of the mounting seat 20 is measured by the pointer 24 and the scale bar 27, so that the distance between the feed roller 2 and the pressure roller 15 can be accurately controlled.

[0035] See also Figure 1 and Figure 2 , connecting plates 4 are provided on both sides of the lower end of the guide seat 1, and there are two connecting plates 4, which are fixedly connected to the guide seat 1. Connecting bolts 5 are provided above the two connecting plates 4, and the connecting bolts 5 are matched with the connecting plates 4. A compression spring 6 is provided between the connecting bolts 5 and the connecting plates 4, and the guide mechanism and the slitting machine are installed through the connecting plates 4 and the connecting bolts 5.

[0036] Working principle: The guide mechanism is installed on the slitting machine through the connecting plate 4 and the connecting bolt 5. The second motor 12 is turned on according to the width of the BOPP film to drive the double-headed screw 17 to rotate. As the double-headed screw 17 rotates, the two limit plates 7 are driven to move synchronously, and the distance between the two limit plates 7 is adjusted to the same as the width of the BOPP film. The BOPP film is placed flat on the feed roller 2, and the two side ends of the BOPP film are in contact with the limit plates 7. The electric push rod 18 is driven to drive the mounting seat 20 to descend, and the pressure roller 15 is in contact with the BOPP film. At the same time, the first motor 3 and the third motor 14 are turned on to drive the feed roller 2 and the pressure roller 15 to rotate respectively. The feed roller 2 and the pressure roller 15 have the same rotation speed. As the feed roller 2 and the pressure roller 15 rotate, the BOPP film is conveyed, and it can play a guiding and limiting role for the conveyed BOPP film.

[0037] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0038] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A guide mechanism for a BOPP film slitting machine, comprising a guide seat (1), characterized in that: Also includes: A limiting plate (7) is provided above the guide seat (1), two limiting plates (7) are provided, a slide groove (16) is provided at the upper end of the guide seat (1), two slide grooves (16) are provided, and one end of the limiting plate (7) extends to the inside of the slide groove (16), the limiting plate (7) is slidably connected to the guide seat (1), and the two limiting plates (7) are provided with a first through hole (22), a second through hole (23) and a threaded hole (25), and the first through hole (22), the second through hole (23) and the threaded hole ( 25) are arranged in sequence from top to bottom, a second motor (12) is provided on one side of the guide seat (1), and the second motor (12) is connected to the guide seat (1) by screws, a double-headed screw rod (17) is provided inside the slide groove (16), and one end of the double-headed screw rod (17) is connected to the output end of the second motor (12), the double-headed screw rod (17) and the threaded hole (25) are arranged to pass through, the double-headed screw rod (17) is threadedly connected to the limit plate (7), and the double-headed screw rod (17) is rotatably connected to the guide seat (1); A feed roller (2) is arranged above the guide seat (1), and the feed roller (2) is rotatably connected to the guide seat (1), the feed roller (2) and the second through hole (23) are connected, and the feed roller (2) is slidably connected to the limit plate (7), a first motor (3) is provided on one side of the guide seat (1), and the first motor (3) is connected to the guide seat (1) by screws, and the output end of the first motor (3) is connected to one end of the feed roller (2); A mounting groove (19) is provided inside the limiting plate (7), and the mounting groove (19) is connected to the second through hole (23); a mounting seat (20) is provided inside the mounting groove (19), and the mounting seat (20) is movably connected to the limiting plate (7); a third motor (14) is provided on one side of the mounting seat (20), and the third motor (14) is connected to the mounting seat (20) by screws; a pressure roller (15) is provided on the other side of the mounting seat (20), and one end of the pressure roller (15) is connected to the output end of the third motor (14); an electric push rod (18) is provided inside the mounting groove (19), and the electric push rod (18) is provided above the mounting seat (20); the electric push rod (18) is fixedly connected to the limiting plate (7) and the mounting seat (20).

2. The guide mechanism of a BOPP film slitting machine according to claim 1, characterized in that: Slide blocks (26) are provided on both sides of the mounting seat (20), and the slide blocks (26) are fixedly connected to the mounting seat (20), and the slide blocks (26) are slidably connected to the limiting plate (7).

3. The guide mechanism of a BOPP film slitting machine according to claim 1, characterized in that: A silicone strip (21) is provided on one side of each of the two limiting plates (7), and the silicone strip (21) and the limiting plates (7) are connected as a whole.

4. The guide mechanism of a BOPP film slitting machine according to claim 1, characterized in that: A transverse plate (11) is provided on both sides of the two limit plates (7), and the transverse plate (11) is fixedly connected to the limit plates (7). A ball (13) is provided at the lower end of the transverse plate (11), and the ball (13) is rollingly connected to the transverse plate (11), and the ball (13) is in contact with the guide seat (1).

5. The guide mechanism of the BOPP film slitting machine according to claim 1, characterized in that: A guide rod (8) is provided between the two limit plates (7), the guide rod (8) is provided to pass through the first through hole (22), and the guide rod (8) is slidably connected to the limit plate (7), both ends of the guide rod (8) are provided with limit blocks (9), and the limit blocks (9) are fixedly connected to the guide rod (8), a spring (10) is provided outside the guide rod (8), two springs (10) are provided, and the springs (10) are slidably connected to the guide rod (8), the two springs (10) are provided on one side of the limit plate (7), and the two ends of the spring (10) are respectively in contact with the limit plate (7) and the limit block (9).

6. The guide mechanism of a BOPP film slitting machine according to claim 1, characterized in that: One side of each of the two limiting plates (7) is provided with a scale bar (27), and the scale bar (27) is fixedly connected to the limiting plate (7); one side of the limiting plate (7) is provided with a pointer (24), and the pointer (24) is arranged in an L-shape; one end of the pointer (24) is fixedly connected to the third motor (14), and the pointer (24) and the scale bar (27) are arranged correspondingly.

7. The guide mechanism of a BOPP film slitting machine according to claim 1, characterized in that: Connecting plates (4) are provided on both sides of the lower end of the guide seat (1), two connecting plates (4) are provided, and the connecting plates (4) are fixedly connected to the guide seat (1), and connecting bolts (5) are provided above the two connecting plates (4), and the connecting bolts (5) are matched with the connecting plates (4), and a compression spring (6) is provided between the connecting bolts (5) and the connecting plates (4).

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