Cast film anti-curling device

Abstract

The utility model discloses a cast film anti-curl device relates to cast film processing technical field, including concave frame and mounting plate, the bottom of mounting plate is fixedly equipped with the connecting plate, the one side of connecting plate is fixedly equipped with the transverse plate, one side of the transverse plate is fixedly equipped with the sliding strip, the outside of the sliding strip is movably equipped with the cleading, and the cleading is equipped with the concave frame and the mounting plate. A first sliding hole is formed in the sleeve plate, the first sliding hole is matched with the sliding strip, a plurality of mounting rods are fixedly mounted at the top of the transverse plate and the top of the sleeve plate, movable plates are movably mounted on the outer sides of the mounting rods, limiting holes are formed in the movable plates, and abutting plates are fixedly mounted at the positions, extending to the inner sides of the limiting holes, of one ends of the mounting rods; the device has the beneficial effects that when a cast film is conveyed to prevent edge curling, the edge roller and the compression roller rotate, and residues on the surfaces of the edge roller and the compression roller during conveying can be cleaned through the scraping plate, so that the situation that the residues are left on the surfaces of the edge roller and the compression roller to affect subsequent cast film conveying and edge curling prevention is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to cast film processing technical field, concretely is a cast film anti-curling device. BACKGROUND

[0002] The cast film is a kind of flat extrusion film without stretching and orientation, which is produced by melt extrusion and quenching, and has single-layer extrusion and multi-layer co-extrusion two modes, compared with blowing film, its characteristics are fast production speed, high yield, excellent transparency, gloss, thickness uniformity and so on.

[0003] At present, the raw material of the existing cast film needs to be heated and melted before processing, and the surface will be sticky after hot melting, then when the edge is pressed by the compression roller, the cast film that is not completely cooled will cause residues on the surface of the compression roller, if it cannot be cleaned in time, it will affect the subsequent conveying and edge pressing of the cast film, and the existing anti-curling device does not have the function of cleaning the residues on the compression roller, thus there are certain deficiencies, in addition, the size of the existing cast film anti-curling device is fixed, and it can only be used for fixed-width cast film, if different width cast film is produced, it cannot be adapted to anti-curling, thus there are certain deficiencies, therefore, we propose a cast film anti-curling device. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a cast film anti-curling device, which solves the problems in the background art.

[0005] To achieve the above purpose, the utility model realizes the following technical scheme: a cast film anti-curling device, comprising a concave frame and a mounting plate, the bottom of the mounting plate is fixedly installed with a connecting plate, one side of the connecting plate is fixedly installed with a horizontal plate, one side of the horizontal plate is fixedly installed with a sliding strip, the outer side of the sliding strip is movably installed with a sleeve plate, the inside of the sleeve plate is provided with a first sliding hole, the first sliding hole is matched with the sliding strip, the top of the horizontal plate and the sleeve plate is fixedly installed with a plurality of mounting rods, the outer side of the mounting rod is movably installed with a movable plate, the inside of the movable plate is provided with a limiting hole, one end of the mounting rod extends to the inside of the limiting hole and is fixedly installed with a resisting plate, the inside of the limiting hole is installed with a spring, the top of the movable plate is fixedly installed with a scraper.

[0006] Preferably, the inside of one side of the concave frame is provided with a sliding groove, a bidirectional threaded rod is rotatably installed in the inside of the sliding groove, two sleeve blocks are threadedly installed on the outside of the bidirectional threaded rod, the mounting plate is fixedly connected with one side of the sleeve blocks, two rotating shafts are rotatably installed on one side of the mounting plate, an edge roller is fixedly installed on one end of the rotating shaft, a sliding rod is fixedly installed on one side of the edge roller, a compression roller is installed on the outside of the sliding rod, a second sliding hole is formed in the inside of the compression roller, the second sliding hole cooperates with the sliding rod, and a plurality of scrapers are respectively matched with the edge roller and the compression roller.

[0007] Preferably, a motor frame is fixedly installed on one side of the mounting plate, a servo motor is fixedly installed at the bottom of the motor frame, a driving gear is fixedly installed on the output end of the servo motor, a driven gear is fixedly installed on the outside of each rotating shaft, the two driven gears are meshed with each other, and the driving gear is meshed with one driven gear.

[0008] Preferably, a rotating plate is fixedly installed on one end of the bidirectional threaded rod and extends to the outside of the concave frame, a bolt is inserted into the inside of the rotating plate, a plurality of pin holes are formed in the inside of one side of the concave frame, and the bolt cooperates with the pin holes.

[0009] Preferably, limit grooves are formed in the inside of the compression roller and on both sides of the second sliding hole, limit plates are fixedly installed on both sides of one end of the sliding rod, and the limit plates are slidably connected with the limit grooves.

[0010] Preferably, the spring cooperates with the abutting plate, and the abutting plate is slidably connected with the inner wall of the limiting hole.

[0011] The flow-casted film anti-curling device has the following beneficial effects:

[0012] 1. The flow-casted film anti-curling device is provided with a horizontal plate, a sliding bar, a sleeve plate, a first sliding hole, a mounting rod, a movable plate, a limiting hole, an abutting plate, a spring and a scraper, when the flow-casted film is conveyed and placed for curling, the edge roller and the compression roller are rotated at the same time, the residual substances on the surface of the flow-casted film during conveying can be cleaned by the scraper, and the residual substances on the surface of the edge roller and the compression roller do not affect the subsequent conveying and anti-curling of the flow-casted film.

[0013] 2. The flow-casted film anti-curling device is provided with a sliding groove, a bidirectional threaded rod, a sleeve block, an edge roller, a sliding rod and a compression roller, when the flow-casted film with different widths is subjected to anti-curling operation, the bidirectional threaded rod can be rotated by rotating the rotating plate after the bolt is pulled out, so that the two sleeve blocks can be moved through threads, the mounting plate and the horizontal plate can be expanded to two sides, the flow-casted film with different widths can be placed for curling, and the compatibility is higher. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The utility model discloses a structure schematic drawing;

[0015] Figure 2 The utility model discloses a sectional view;

[0016] Figure 3 The utility model discloses a top view sectional view;

[0017] Figure 4 The utility model discloses Figure 2 The utility model discloses

[0018] Figure 5 The utility model discloses Figure 3 The utility model discloses

[0019] Figure 6 The utility model discloses Figure 3 The utility model discloses

[0020] In the drawing, 1 is concave frame, 2 is mounting plate, 3 is connecting plate, 4 is cross plate, 5 is slide bar, 6 is cover plate, 7 is first slide hole, 8 is mounting rod, 9 is movable plate, 10 is limit hole, 11 is abutment plate, 12 is spring, 13 is scraper, 14 is sliding slot, 15 is two-way screw rod, 16 is cover block, 17 is rotating shaft, 18 is edge roller, 19 is slide bar, 20 is compression roller, 21 is second slide hole, 22 is limit slot, 23 is limit plate, 24 is driven gear, 25 is motor frame, 26 is servo motor, 27 is driving gear, 28 is rotating plate, 29 is bolt, 30 is pin hole. Specific embodiments

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please refer to Figures 1 to 6The utility model provides a kind of technical scheme: a kind of cast film anti-curling device, including concave frame 1 and mounting plate 2, the bottom of mounting plate 2 is fixedly installed with connecting plate 3, one side of connecting plate 3 is fixedly installed with cross plate 4, one side of cross plate 4 is fixedly installed with slide bar 5, the outside of slide bar 5 is movably installed with sleeve plate 6, the inside of sleeve plate 6 is equipped with first sliding hole 7, first sliding hole 7 is cooperated with slide bar 5, the top of cross plate 4 and sleeve plate 6 is fixedly installed with several installation rods 8, the outside of installation rod 8 is movably installed with movable plate 9, the inside of movable plate 9 is equipped with limit hole 10, one end of installation rod 8 extends to the inside of limit hole 10 and is fixedly installed with stop plate 11, spring 12 is installed in the inside of limit hole 10, spring 12 is cooperated with stop plate 11, stop plate 11 and the inner wall of limit hole 10 are slidably connected, the top of movable plate 9 is fixedly installed with scraper 13, wherein the effect of installation rod 8, limit hole 10, stop plate 11 and spring 12 is used to push movable plate 9 and scraper 13 always tightly abut on the outside of edge roll 18 and compression roller 20 after the elastic force of spring 12 itself and stop plate 11 abut, facilitate to scrape the residue on its outside, wherein the effect of slide bar 5 and first sliding hole 7 is used for cross plate 4 and slide bar 5 to unfold from both sides of sleeve plate 6.

[0023] The inside of one side of concave frame 1 is equipped with sliding groove 14, bidirectional screw rod 15 is rotatably installed in the inside of sliding groove 14, two sleeve blocks 16 are screwedly installed on the outside of bidirectional screw rod 15, mounting plate 2 is fixedly connected with one side of sleeve block 16, two rotating shafts 17 are rotatably installed on one side of mounting plate 2, edge roll 18 is fixedly installed on one end of rotating shaft 17, slide bar 19 is fixedly installed on one side of edge roll 18, compression roller 20 is installed on the outside of slide bar 19, second sliding hole 21 is formed in the inside of compression roller 20, second sliding hole 21 is cooperated with slide bar 19, a plurality of scrapers 13 are cooperated with edge roll 18 and compression roller 20 respectively, limit slot 22 is formed in the inside of compression roller 20 and located on both sides of second sliding hole 21, limit plate 23 is fixedly installed on both sides of one end of slide bar 19, limit plate 23 is slidably connected with limit slot 22.

[0024] Motor frame 25 is fixedly installed on one side of mounting plate 2, servo motor 26 is fixedly installed on the bottom of motor frame 25, driving gear 27 is fixedly installed on the output end of servo motor 26, driven gear 24 is fixedly installed on the outside of two rotating shafts 17, two driven gears 24 are meshed with each other, driving gear 27 is meshed with one driven gear 24, wherein the effect of driven gear 24, servo motor 26 and driving gear 27 is used to drive rotating shaft 17, edge roll 18 and compression roller 20 to rotate, for the edge of cast film and conveying, to play the role of anti-curling.

[0025] One end of the bidirectional threaded rod 15 extends to the outside of the concave frame 1 and is fixedly installed with a rotating plate 28, the inside of the rotating plate 28 is inserted with a bolt 29, the inside of one side of the concave frame 1 is provided with a plurality of pin holes 30, the bolt 29 cooperates with the pin hole 30, wherein the bolt 29 and the pin hole 30 are used for limiting the bidirectional threaded rod 15 and the rotating plate 28.

[0026] In summary, the cast film anti-curling device can be used to unwind and curl the edges of cast films with different widths. By pulling out the bolt 29 and rotating the rotating plate 28, the bidirectional threaded rod 15 can be rotated, thereby driving the two sleeve blocks 16 to move through the threads, and then driving the mounting plate 2 and the horizontal plate 4 to expand to both sides, facilitating the adaptation and placement of the cast film with different widths. The compatibility is higher. When the cast film is pressed to prevent curling, the servo motor 26 can be turned on to drive the driving gear 27 to rotate. After the driving gear 27 meshes with the driven gear 24, the two rotating shafts 17 are driven to rotate. The cast film passes through the middle of the two edge rollers 18 and the pressure roller 20 from above the device. The pressure roller 20 presses the edges of the cast film, which can prevent the cast film from curling. When the edge roller 18 and the pressure roller 20 rotate, the spring 12 itself is pushed against the stop plate 11, which in turn pushes the movable plate 9 and the scraper 13 against the outside of the edge roller 18 and the pressure roller 20, thereby facilitating the removal of the remaining material on the outside.

[0027] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacements or changes according to the technical scheme and concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A device for preventing curling of a cast film, comprising a concave holder (1) and a mounting plate (2), characterized in that: The bottom of the mounting plate (2) is fixedly installed with a connecting plate (3), one side of the connecting plate (3) is fixedly installed with a horizontal plate (4), one side of the horizontal plate (4) is fixedly installed with a sliding bar (5), the outer side of the sliding bar (5) is movably installed with a sleeve plate (6), the inside of the sleeve plate (6) is provided with a first sliding hole (7), the first sliding hole (7) is matched with the sliding bar (5), the top of the horizontal plate (4) and the sleeve plate (6) is fixedly installed with a plurality of mounting rods (8), the outer side of the mounting rod (8) is movably installed with a movable plate (9), the inside of the movable plate (9) is provided with a limiting hole (10), one end of the mounting rod (8) extends to the inside of the limiting hole (10) and is fixedly installed with a resisting plate (11), the inside of the limiting hole (10) is installed with a spring (12), the top of the movable plate (9) is fixedly installed with a scraper (13).

2. A device for preventing edge curling of a cast film according to claim 1, characterized in that: The inside of one side of the concave frame (1) is provided with a sliding groove (14), the inside of the sliding groove (14) is rotatably installed with a bidirectional threaded rod (15), the outer side of the bidirectional threaded rod (15) is threadedly installed with two sleeve blocks (16), one side of the mounting plate (2) is fixedly connected with the sleeve block (16), one side of the mounting plate (2) is rotatably installed with two rotating shafts (17), one end of the rotating shaft (17) is fixedly installed with an edge roller (18), one side of the edge roller (18) is fixedly installed with a sliding rod (19), the outer side of the sliding rod (19) is installed with a pressing roller (20), the inside of the pressing roller (20) is provided with a second sliding hole (21), the second sliding hole (21) is matched with the sliding rod (19), a plurality of the scrapers (13) are matched with the edge roller (18) and the pressing roller (20) respectively.

3. A device for preventing edge curling of a cast film according to claim 2, characterized in that: One side of the mounting plate (2) is fixedly installed with a motor frame (25), the bottom of the motor frame (25) is fixedly installed with a servo motor (26), the output end of the servo motor (26) is fixedly installed with a driving gear (27), the outer side of the two rotating shafts (17) is fixedly installed with a driven gear (24), the two driven gears (24) are meshed with each other, the driving gear (27) is meshed with one driven gear (24).

4. A device for preventing edge curling of a cast film according to claim 3, characterized in that: One end of the bidirectional threaded rod (15) extends to the outside of the concave frame (1) and is fixedly installed with a rotating plate (28), the inside of the rotating plate (28) is inserted with a bolt (29), the inside of one side of the concave frame (1) is provided with a plurality of pin holes (30), the bolt (29) is matched with the pin hole (30).

5. A device for preventing edge curling of a cast film as claimed in claim 2, wherein: The inside of the pressing roller (20) and on both sides of the second sliding hole (21) are provided with limiting grooves (22), the limiting plates (23) are fixedly installed on both sides of one end of the sliding rod (19), the limiting plates (23) are slidably connected with the limiting grooves (22).

6. A device for preventing edge curling of a cast film as defined in claim 1, characterized in that: The spring (12) is matched with the resisting plate (11), the resisting plate (11) is slidably connected with the inner wall of the limiting hole (10).

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