CN221540591U

CN221540591U - Edge suction device for casting film

Info

Publication number: CN221540591U
Application number: CN202323378629.3U
Authority: CN
Inventors: 李秉政; 张育成; 宋涛
Original assignee: Shandong Tengsu New Materials Co ltd
Current assignee: Shandong Tengsu New Materials Co ltd
Priority date: 2023-12-12
Filing date: 2023-12-12
Publication date: 2024-08-16
Anticipated expiration: 2033-12-12

Abstract

The utility model relates to the technical field of edge suction of casting films, in particular to an edge suction device of casting films, which is convenient for sucking and trimming casting films with different widths, and is convenient for replacing and installing cutters, thereby improving convenience and practicability; comprises a main body mechanism; still include elevator motor, adjustment mechanism, cutting mechanism, stop gear, receipts limit mechanism and guiding mechanism, elevator motor installs on the top of main part mechanism, and adjustment mechanism installs on elevator motor, and cutting mechanism installs on adjustment mechanism, and stop gear installs on main part mechanism's top, receives limit mechanism and installs on main part mechanism, and guiding mechanism installs on main part mechanism, rolls up and unreels to the casting film through main part mechanism, and elevator motor adjusts adjustment mechanism's height, and adjustment mechanism adjusts cutting mechanism's interval, and cutting mechanism cuts edge to the casting film.

Description

Edge suction device for casting film

Technical Field

The utility model relates to the technical field of edge suction of casting films, in particular to an edge suction device of a casting film.

Background

Cast films are a non-stretched, non-oriented cast film produced by melt casting quenching, with both monolayer casting and multilayer co-extrusion casting. Compared with the blown film, the film has the characteristics of high production speed, high yield, extremely excellent transparency, glossiness, thickness uniformity and the like of the film, and meanwhile, due to extremely convenient post-process of extruding the film, such as printing, compounding and the like, the film is widely applied to packaging of foods, medical supplies, textiles, flowers and daily necessities, and the cast film needs to be cut into a plurality of sub-films in the production and processing process, and the cut waste is subjected to edge suction recovery through an edge suction mechanism.

Among the current curtain coating membrane edge suction technology, for example, the prior art of application number CN202220025723.7, including device shell, leveling mechanism, depressed part, first rotating roller, slide bar, dead lever, spacing spring, wind-up roll, cut mechanism, gag lever post, knob, bi-directional screw and blade mount pad etc. conveniently adjust the blade mount pad through bi-directional screw, conveniently cut according to the curtain coating membrane of equidimension, there is cutting blade in the bottom of blade mount pad through bolt movable mounting, through bolt mounting cutting blade, make things convenient for cutting blade's change.

But before retrieving the slitter edge, need cut to the curtain coating membrane, prior art is comparatively inconvenient to the regulation of the cutting of curtain coating membrane of equidimension not to prior art is inconvenient to the limit of retrieving carries out the rolling, makes the practicality reduce, and still prior art is inconvenient to change the installation and fix the blade, makes the convenience reduce.

Disclosure of utility model

In order to solve the technical problems, the utility model provides the edge suction device for the casting film, which is convenient for sucking edges and trimming the casting films with different widths, is convenient for replacing and installing cutters and improves convenience and practicability.

The utility model relates to a tape casting film edge suction device, which comprises a main body mechanism; the automatic edge rolling machine also comprises a lifting motor, an adjusting mechanism, a cutting mechanism, a limiting mechanism, an edge rolling mechanism and a guiding mechanism, wherein the lifting motor is arranged at the top end of the main body mechanism, the adjusting mechanism is arranged on the lifting motor, the cutting mechanism is arranged on the adjusting mechanism, the limiting mechanism is arranged at the top end of the main body mechanism, the edge rolling mechanism is arranged on the main body mechanism, the guiding mechanism is arranged on the main body mechanism, the rolling and unreeling of the casting film are carried out through the main body mechanism, the height of the adjusting mechanism is adjusted by the lifting motor, the distance between the cutting mechanisms is adjusted by the adjusting mechanism, the edge cutting of the casting film is carried out by the cutting mechanism, the edge rolling mechanism guides the edge of the cut casting film, the edge rolling mechanism absorbs the edge rolling of the casting film, and the edge of the casting film is guided by the guiding mechanism; the casting film is rolled and unrolled through the main body mechanism, the height of the adjusting mechanism is adjusted by the lifting motor, the lifting motor is used for assisting the adjusting mechanism and the cutting mechanism to cut edges of the casting film, the distance between the adjusting mechanism and the cutting mechanism is adjusted, the cutting mechanism is used for cutting edges of casting films with different widths, the practicability is improved, the cutting mechanism is used for cutting edges of the casting film, the limiting mechanism is used for guiding edges of the cut casting film, the edge collecting mechanism is used for sucking edges of the casting film, and the guiding mechanism is used for guiding edges of the casting film.

Preferably, the main body mechanism comprises a bottom plate, a discharging roller, a receiving roller and a first motor, wherein the discharging roller is rotatably arranged at the top end of the bottom plate through a bracket, the receiving roller is rotatably arranged on the bottom plate through the bracket, the first motor is arranged on the bracket of the receiving roller, and the output end of the first motor is connected with the receiving roller; unreeling the casting film by the aid of the unreeling roller, and driving the material receiving roller to rotate by opening the first motor, so that the casting film is rolled by the material receiving roller.

Preferably, the lifting motor comprises a mounting frame, a sliding rod, a first lead screw, a mounting plate and a first handle, wherein the mounting frame is arranged at the top end of the bottom plate, a support is arranged on the mounting frame, one end of the sliding rod is arranged on the support, the other end of the sliding rod is arranged on the mounting frame, one end of the first lead screw is rotatably arranged on the support, the other end of the first lead screw is rotatably arranged on the mounting frame, the mounting plate is slidably arranged on the sliding rod, a threaded hole is formed in the mounting plate, the mounting plate is in threaded fit with the first lead screw, and the first handle is arranged at the top end of the first lead screw; when the cutting mechanism is to be lifted or fallen, the first handle is rotated to drive the first screw rod to rotate, and then the mounting plate is driven to slide on the slide rod through the threaded relation, so that the lifting and falling of the cutting mechanism are completed.

Preferably, the adjusting mechanism comprises two mounting seats, a second screw rod, a sliding block, a threaded ring and two first connecting rods, wherein a sliding groove is formed in the mounting plate, the second screw rod is rotatably mounted at the top end of the mounting plate, the sliding block is slidably mounted on the second screw rod, the threaded ring is mounted on the second screw rod in a threaded relation, the threaded ring is rotatably mounted on the sliding block, one ends of the two first connecting rods are rotatably mounted on the threaded ring, and the other ends of the two first connecting rods are rotatably mounted on the two mounting seats respectively; when the interval of cutting mechanism is to be adjusted, through rotating the screwed ring, because the screw thread relation drives the slider and slides from top to bottom at the second lead screw, and then slide in the spout through two mount pads of first connecting rod pulling, and then make cutting mechanism can cut edge to the curtain coating membrane of different width, and then improve the practicality.

Preferably, the cutting mechanism comprises a cutter, a mounting box, a sliding plate, a locking pin and a spring, wherein a T-shaped sliding groove is formed in the mounting seat, a T-shaped sliding block is arranged on the cutter, the cutter is slidably mounted on the mounting seat through the T-shaped sliding block, a locking hole is formed in the cutter, the mounting box is mounted on the side wall of the mounting seat, the sliding plate is slidably mounted on the mounting box, the locking pin is mounted on the sliding plate, one end of the spring is mounted on the sliding plate, and the other end of the spring is mounted on the inner wall of the mounting box; when the cutter is installed, the sliding plate is pulled first to enable the spring to shrink until the lock pin is shrunk into the installation box, when the lock pin is aligned with the lock hole of the cutter, the sliding plate is pushed to slide through elasticity of the spring, and then the lock pin is pushed into the lock hole, so that the installation and the fixation of the cutter are completed.

Preferably, the limiting mechanism comprises a limiting box, a third screw rod, two sliding blocks, two guide shafts and second handles, wherein the limiting box is arranged at the top end of the bottom plate, a sliding groove is formed in the limiting box, the third screw rod is rotatably arranged in the limiting box, the two sliding blocks are slidably arranged in the sliding groove and are provided with internal threads in opposite directions, the two sliding blocks are in threaded fit with the third screw rod, one guide shaft is arranged on each second handle, and the second handles are arranged at the outer ends of the third screw rods; firstly, the edge material of the casting film is used for driving the guide shaft to rotate, the edge material of the casting film is guided through the guide shaft, the practicability is improved, the quality of the casting film is improved, the second handle is rotated to drive the third screw rod to rotate, then the two sliding blocks are driven to move in opposite directions through the thread strand relation, and then the distance between the two guide shafts is adjusted, so that the guide shafts can guide the casting films with different widths.

Preferably, the edge folding mechanism comprises an edge folding roller and a second motor, the edge folding roller is rotatably arranged at the top end of the bottom plate through a bracket, the second motor is arranged on the bracket, and the output end of the second motor is connected with the edge folding roller; the second motor is opened to drive the edge rolling roller to rotate, and the edge material of the casting film is rolled, so that the practicability is improved.

Preferably, the guiding mechanism comprises a guiding ring, a slideway block, a second connecting rod, a rotary table, an eccentric shaft, a third connecting rod and a third motor, wherein the top end of the bottom plate is provided with a chute, the guiding ring is slidably arranged in the chute, the slideway block is arranged at the top end of the bottom plate, the second connecting rod is slidably arranged in the slideway block, the rotary table is rotatably arranged at the top end of the bottom plate, the eccentric shaft is eccentrically arranged on the rotary table, one end of the third connecting rod is rotatably arranged on the eccentric shaft, the other end of the third connecting rod is rotatably connected with the second connecting rod, the other end of the second connecting rod is arranged on the guiding ring, the third motor is arranged at the bottom end of the bottom plate, and the output end of the third motor is connected with the rotary table; the third motor is turned on to drive the turntable to rotate, the eccentric shaft is driven to eccentrically rotate, and then the second connecting rod is pulled by the third connecting rod to slide in the slideway quickly, so that the guide ring is driven to reciprocally slide, and the rim charge of the casting film is guided by the guide ring.

Compared with the prior art, the utility model has the beneficial effects that: the casting film is rolled and unrolled through the main body mechanism, the height of the adjusting mechanism is adjusted by the lifting motor, the lifting motor is used for assisting the adjusting mechanism and the cutting mechanism to cut edges of the casting film, the distance between the adjusting mechanism and the cutting mechanism is adjusted, the cutting mechanism is used for cutting edges of casting films with different widths, the practicability is improved, the cutting mechanism is used for cutting edges of the casting film, the limiting mechanism is used for guiding edges of the cut casting film, the edge collecting mechanism is used for sucking edges of the casting film, and the guiding mechanism is used for guiding edges of the casting film.

Drawings

FIG. 1 is a schematic view of a first axial structure of the present utility model;

FIG. 2 is a schematic view of a second axial structure of the present utility model;

FIG. 3 is a schematic view of a third axial structure of the present utility model;

FIG. 4 is a schematic view of a fourth axial structure of the present utility model;

FIG. 5 is a schematic view of a first side cross-sectional structure of the present utility model;

FIG. 6 is a schematic diagram of a second side cross-sectional configuration of the present utility model;

FIG. 7 is a schematic diagram of a third side cross-sectional configuration of the present utility model;

FIG. 8 is an enlarged schematic view of the structure of FIG. 5A in accordance with the present utility model;

The reference numerals in the drawings: 01. a main body mechanism; 11. a bottom plate; 12. a discharging roller; 13. a receiving roller; 14. a first motor; 02. a lifting mechanism; 21. a mounting frame; 22. a slide bar; 23. a first lead screw; 24. a mounting plate; 25. a first handle; 03. an adjusting mechanism; 31. a mounting base; 32. a second lead screw; 33. a slide block; 34. a threaded ring; 35. a first link; 04. a cutting mechanism; 41. a cutter; 42. a mounting box; 43. a sliding plate; 44. a locking pin; 45. a spring; 05. a limiting mechanism; 51. a limit box; 52. a third lead screw; 53. a sliding block; 54. a guide shaft; 55. a second handle; 06. a trimming mechanism; 61. edge roller; 62. a second motor; 07. a guide mechanism; 71. a guide ring; 72. a slideway block; 73. a second link; 74. a turntable; 75. an eccentric shaft; 76. a third link; 77. and a third motor.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 2, 3, 6 and 8, the device comprises a main body mechanism 01, and further comprises a lifting motor 02, an adjusting mechanism 03, a cutting mechanism 04, a limiting mechanism 05, a trimming mechanism 06 and a guiding mechanism 07, wherein the lifting motor 02 is arranged at the top end of the main body mechanism 01, the adjusting mechanism 03 is arranged on the lifting motor 02, the cutting mechanism 04 is arranged on the adjusting mechanism 03, the limiting mechanism 05 is arranged at the top end of the main body mechanism 01, the trimming mechanism 06 is arranged on the main body mechanism 01, and the guiding mechanism 07 is arranged on the main body mechanism 01;

The main body mechanism 01 is used for winding and unwinding the casting film, the lifting motor 02 is used for adjusting the height of the adjusting mechanism 03, the distance between the cutting mechanism 04 is adjusted by the adjusting mechanism 03, the cutting mechanism 04 is used for trimming the casting film, the limiting mechanism 05 is used for guiding the edge of the cut casting film, the edge collecting mechanism 06 is used for sucking and winding the edge of the casting film, and the guiding mechanism 07 is used for guiding the edge of the casting film;

the main body mechanism 01 comprises a bottom plate 11, a discharging roller 12, a receiving roller 13 and a first motor 14, wherein the discharging roller 12 is rotatably arranged at the top end of the bottom plate 11 through a bracket, the receiving roller 13 is rotatably arranged on the bottom plate 11 through a bracket, the first motor 14 is arranged on the bracket of the receiving roller 13, and the output end of the first motor 14 is connected with the receiving roller 13;

The lifting motor 02 comprises a mounting frame 21, a sliding rod 22, a first lead screw 23, a mounting plate 24 and a first handle 25, wherein the mounting frame 21 is arranged at the top end of the bottom plate 11, a bracket is arranged on the mounting frame 21, one end of the sliding rod 22 is arranged on the bracket, the other end of the sliding rod 22 is arranged on the mounting frame 21, one end of the first lead screw 23 is rotatably arranged on the bracket, the other end of the first lead screw 23 is rotatably arranged on the mounting frame 21, the mounting plate 24 is slidably arranged on the sliding rod 22, a threaded hole is arranged on the mounting plate 24, the mounting plate 24 is in threaded fit with the first lead screw 23, and the first handle 25 is arranged at the top end of the first lead screw 23;

The adjusting mechanism 03 comprises two mounting seats 31, a second lead screw 32, a sliding block 33, a threaded ring 34 and two first connecting rods 35, wherein a sliding groove is formed in the mounting plate 24, the second lead screw 32 is rotatably mounted at the top end of the mounting plate 24, the sliding block 33 is slidably mounted on the second lead screw 32, the threaded ring 34 is mounted on the second lead screw 32 in a threaded relation, the threaded ring 34 is rotatably mounted on the sliding block 33, one ends of the two first connecting rods 35 are rotatably mounted on the threaded ring 34, and the other ends of the two first connecting rods 35 are rotatably mounted on the two mounting seats 31 respectively;

the cutting mechanism 04 comprises a cutter 41, a mounting box 42, a sliding plate 43, a lock pin 44 and a spring 45, wherein a T-shaped sliding groove is formed in the mounting seat 31, a T-shaped sliding block is arranged on the cutter 41, the cutter 41 is slidably mounted on the mounting seat 31 through the T-shaped sliding block, a lock hole is formed in the cutter 41, the mounting box 42 is mounted on the side wall of the mounting seat 31, the sliding plate 43 is slidably mounted on the mounting box 42, the lock pin 44 is mounted on the sliding plate 43, one end of the spring 45 is mounted on the sliding plate 43, and the other end of the spring 45 is mounted on the inner wall of the mounting box 42;

The casting film is unreeled by being provided with the unreeling roller 12, the receiving roller 13 is driven to rotate by opening the first motor 14, and then the casting film with different widths is rolled by the receiving roller 13, when the cutting mechanism 04 is to be lifted or fallen, the first lead screw 23 is driven to rotate by rotating the first handle 25, then the mounting plate 24 is driven to slide on the slide rod 22 through the threaded relation, and then lifting and falling of the cutting mechanism 04 are completed, when the interval of the cutting mechanism 04 is to be regulated, the sliding block 33 is driven to slide up and down on the second lead screw 32 through the rotating threaded ring 34, and then the two mounting seats 31 are pulled to slide in the sliding groove through the first connecting rod 35, so that the cutting mechanism 04 can cut casting films with different widths, and further the practicability is improved, when the cutting knife 41 is mounted, the cutting knife 44 is contracted into the mounting box 42, when the locking pin 44 is aligned with the locking hole 41, the locking pin 45 is pushed by the elasticity of the sliding plate 43, and then the locking pin 44 is pushed into the mounting box 41, and the casting film is guided to the edge 07 by the locking pin 45, and the edge of the casting film is guided to the edge 07 by the edge-guiding mechanism.

Example 2

As shown in fig. 4 and 7, the device comprises a main body mechanism 01, a lifting motor 02, an adjusting mechanism 03, a cutting mechanism 04, a limiting mechanism 05, a trimming mechanism 06 and a guiding mechanism 07, wherein the lifting motor 02 is arranged at the top end of the main body mechanism 01, the adjusting mechanism 03 is arranged on the lifting motor 02, the cutting mechanism 04 is arranged on the adjusting mechanism 03, the limiting mechanism 05 is arranged at the top end of the main body mechanism 01, the trimming mechanism 06 is arranged on the main body mechanism 01, and the guiding mechanism 07 is arranged on the main body mechanism 01;

the limiting mechanism 05 comprises a limiting box 51, a third lead screw 52, two sliding blocks 53, two guide shafts 54 and a second handle 55, wherein the limiting box 51 is arranged at the top end of the bottom plate 11, a sliding groove is formed in the limiting box 51, the third lead screw 52 is rotatably arranged in the limiting box 51, the two sliding blocks 53 are slidably arranged in the sliding groove, the two sliding blocks 53 are provided with internal threads in opposite directions, the two sliding blocks 53 are in threaded fit with the third lead screw 52, one guide shaft 54 is arranged on each second handle 55, and the second handle 55 is arranged at the outer end of the third lead screw 52;

The edge folding mechanism 06 comprises an edge folding roller 61 and a second motor 62, the edge folding roller 61 is rotatably arranged at the top end of the bottom plate 11 through a bracket, the second motor 62 is arranged on the bracket, and the output end of the second motor 62 is connected with the edge folding roller 61;

The guide mechanism 07 comprises a guide ring 71, a slide way fast 72, a second connecting rod 73, a rotary disc 74, an eccentric shaft 75, a third connecting rod 76 and a third motor 77, wherein a chute is arranged at the top end of the bottom plate 11, the guide ring 71 is slidably arranged in the chute, the slide way fast 72 is arranged at the top end of the bottom plate 11, the second connecting rod 73 is slidably arranged in the slide way fast 72, the rotary disc 74 is rotatably arranged at the top end of the bottom plate 11, the eccentric shaft 75 is eccentrically arranged on the rotary disc 74, one end of the third connecting rod 76 is rotatably arranged on the eccentric shaft 75, the other end of the third connecting rod 76 is rotatably connected with the second connecting rod 73, the other end of the second connecting rod 73 is arranged on the guide ring 71, the third motor 77 is arranged at the bottom end of the bottom plate 11, and the output end of the third motor 77 is connected with the rotary disc 74;

The tape casting film is rolled and unrolled through the main body mechanism 01, the lifting motor 02 adjusts the height of the adjusting mechanism 03, the lifting motor 02 assists the adjusting mechanism 03 and the cutting mechanism 04 to cut edges of the tape casting film, the adjusting mechanism 03 adjusts the distance between the cutting mechanism 04, the cutting mechanism 04 further cuts edges of the tape casting film with different widths, practicality is improved, the cutting mechanism 04 cuts edges of the tape casting film, the sliding plate 43 is pulled at first, the spring 45 is enabled to shrink until the lock pin 44 is shrunk into the mounting box 42, when the lock pin 44 is aligned with the lock hole of the cutter 41, the sliding plate 43 is pushed to slide through elasticity of the spring 45, the lock pin 44 is pushed into the lock hole, the cutter 41 is mounted and fixed, the tape casting film edge material is driven to rotate by the tape casting film edge material through the guide shaft 54, practicability is improved, the tape casting film quality is improved, the second guide shaft 54 is driven to rotate by the second guide shaft 55, then the two sliding blocks 53 are driven to move oppositely through the threaded strand relation, the distance between the two guide shafts 54 is adjusted, the guide shaft 54 is enabled to be driven by the second guide shaft 54 to rotate by the second guide shaft 54, the second guide shaft 62 is driven by the second guide shaft 71, the second guide shaft 71 is driven by the eccentric shaft 71, the eccentric roll 71 is driven by the eccentric roll 71, and the connecting rod 71 is driven by the eccentric roll 71 to rotate, and the eccentric roll 71 is further driven by the eccentric roll 71 to rotate.

As shown in fig. 1 to 8, in the edge suction device for casting film according to the present utility model, during operation, the casting film is unreeled by the unreeled roll 12, the first motor 14 is opened to drive the receiving roll 13 to rotate, and then the casting film is rolled up by the receiving roll 13, when the cutting mechanism 04 is to be lifted or dropped, the first handle 25 is rotated to drive the first screw rod 23 to rotate, then the mounting plate 24 is driven to slide on the slide bar 22 by the threaded relationship, and further lifting and dropping of the cutting mechanism 04 are completed, when the pitch of the cutting mechanism 04 is to be adjusted, the threaded ring 34 is rotated, the slide block 33 is driven to slide up and down on the second screw rod 32 by the threaded relationship, and further the two mounting seats 31 are pulled to slide in the slide grooves by the first connecting rod 35, so that the cutting mechanism 04 can cut edges for casting films with different widths, and further improving practicability, when the cutter 41 is installed, the sliding plate 43 is pulled firstly to enable the spring 45 to shrink until the lock pin 44 is shrunk into the installation box 42, when the lock pin 44 is aligned with the lock hole of the cutter 41, the spring 45 pushes the sliding plate 43 to slide so as to push the lock pin 44 into the lock hole, the cutter 41 is installed and fixed, firstly, the edge of the casting film is guided by the guide shaft 54 to rotate, the edge of the casting film is guided by the guide shaft 54, the practicability is improved, the quality of the casting film is improved, the third lead screw 52 is driven to rotate by rotating the second handle 55, then the two sliding blocks 53 are driven to move oppositely by a thread strand relationship, the distance between the two guide shafts 54 is adjusted, the guide shaft 54 can guide casting films with different widths, the edge collecting roller 61 is driven to rotate by opening the second motor 62, the edge of the casting film is rolled, the practicality is improved, drives carousel 74 through opening third motor 77 and rotates, and then drives eccentric shaft 75 eccentric rotation, then pulls second connecting rod 73 through third connecting rod 76 and slides in slide soon 72 to drive guide ring 71 reciprocal slip, thereby lead the rim charge of casting film through guide ring 71.

The first motor 14, the second motor 62, and the third motor 77 of the present utility model are commercially available and will be installed and operated by those skilled in the art according to the accompanying instructions without the need for inventive labor by those skilled in the art.

The main functions realized by the utility model are as follows; in the edge suction working process of the casting film, the edge suction and edge cutting of the casting films with different widths are facilitated, the cutter is convenient to replace and install, and convenience and practicality are improved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. A tape casting film edge suction device comprises a main body mechanism (01); the automatic edge folding machine is characterized by further comprising a lifting motor (02), an adjusting mechanism (03), a cutting mechanism (04), a limiting mechanism (05), an edge folding mechanism (06) and a guiding mechanism (07), wherein the lifting motor (02) is arranged at the top end of the main body mechanism (01), the adjusting mechanism (03) is arranged on the lifting motor (02), the cutting mechanism (04) is arranged on the adjusting mechanism (03), the limiting mechanism (05) is arranged at the top end of the main body mechanism (01), the edge folding mechanism (06) is arranged on the main body mechanism (01), and the guiding mechanism (07) is arranged on the main body mechanism (01);

The main body mechanism (01) rolls and unreels the casting film, the lifting motor (02) adjusts the height of the adjusting mechanism (03), the adjusting mechanism (03) adjusts the distance between the cutting mechanisms (04), the cutting mechanisms (04) cut edges of the casting film, the limiting mechanisms (05) guide the edges of the cut casting film, the edge collecting mechanism (06) absorbs the edges of the casting film, and the guiding mechanism (07) guides the edges of the casting film.

2. A casting film edge absorbing device as claimed in claim 1, characterized in that the main body mechanism (01) comprises a base plate (11), a discharging roller (12), a receiving roller (13) and a first motor (14), wherein the discharging roller (12) is rotatably mounted on the top end of the base plate (11) through a bracket, the receiving roller (13) is rotatably mounted on the base plate (11) through a bracket, the first motor (14) is mounted on the bracket of the receiving roller (13), and the output end of the first motor (14) is connected with the receiving roller (13).

3. A casting film edge suction device as claimed in claim 2, characterized in that the lifting motor (02) comprises a mounting frame (21), a slide bar (22), a first screw (23), a mounting plate (24) and a first handle (25), the mounting frame (21) is mounted on the top end of the base plate (11), a bracket is arranged on the mounting frame (21), one end of the slide bar (22) is mounted on the bracket, the other end of the slide bar (22) is mounted on the mounting frame (21), one end of the first screw (23) is rotatably mounted on the bracket, the other end of the first screw (23) is rotatably mounted on the mounting frame (21), the mounting plate (24) is slidably mounted on the slide bar (22), a threaded hole is formed in the mounting plate (24), the mounting plate (24) is in threaded fit with the first screw (23), and the first handle (25) is mounted on the top end of the first screw (23).

4. A casting film edge suction device as claimed in claim 3, characterized in that the adjusting mechanism (03) comprises two mounting seats (31), a second screw (32), a slider (33), a threaded ring (34) and two first connecting rods (35), a slide groove is provided on the mounting plate (24), the second screw (32) is rotatably mounted on the top end of the mounting plate (24), the slider (33) is slidably mounted on the second screw (32), the threaded ring (34) is rotatably mounted on the second screw (32) in a threaded relationship, the threaded ring (34) is rotatably mounted on the slider (33), one ends of the two first connecting rods (35) are rotatably mounted on the threaded ring (34), and the other ends of the two first connecting rods (35) are rotatably mounted on the two mounting seats (31) respectively.

5. A casting film edge suction device as claimed in claim 4, characterized in that the cutting mechanism (04) comprises a cutter (41), a mounting box (42), a sliding plate (43), a lock pin (44) and a spring (45), a T-shaped sliding groove is arranged on the mounting seat (31), a T-shaped sliding block is arranged on the cutter (41), the cutter (41) is slidably mounted on the mounting seat (31) through the T-shaped sliding block, a lock hole is arranged on the cutter (41), the mounting box (42) is mounted on the side wall of the mounting seat (31), the sliding plate (43) is slidably mounted on the mounting box (42), the lock pin (44) is mounted on the sliding plate (43), one end of the spring (45) is mounted on the sliding plate (43), and the other end of the spring (45) is mounted on the inner wall of the mounting box (42).

6. A casting film edge suction device as claimed in claim 2, characterized in that the limit mechanism (05) comprises a limit box (51), a third screw (52), two sliding blocks (53), two guide shafts (54) and a second handle (55), the limit box (51) is mounted on the top end of the bottom plate (11), a chute is arranged on the limit box (51), the third screw (52) is rotatably mounted in the limit box (51), the two sliding blocks (53) are slidably mounted in the chute, the two sliding blocks (53) are provided with internal threads in opposite directions, the two sliding blocks (53) are in threaded fit with the third screw (52), one guide shaft (54) is mounted on each second handle (55), and the second handle (55) is mounted on the outer end of the third screw (52).

7. A casting film edge suction device according to claim 2, wherein the edge receiving mechanism (06) comprises an edge receiving roller (61) and a second motor (62), the edge receiving roller (61) is rotatably mounted on the top end of the base plate (11) through a bracket, the second motor (62) is mounted on the bracket, and the output end of the second motor (62) is connected with the edge receiving roller (61).

8. A casting film edge suction device as claimed in claim 2, characterized in that the guiding mechanism (07) comprises a guiding ring (71), a slideway block (72), a second connecting rod (73), a rotary disc (74), an eccentric shaft (75), a third connecting rod (76) and a third motor (77), the top end of the bottom plate (11) is provided with a sliding groove, the guiding ring (71) is slidably mounted in the sliding groove, the slideway block (72) is mounted at the top end of the bottom plate (11), the second connecting rod (73) is slidably mounted in the slideway block (72), the rotary disc (74) is rotatably mounted at the top end of the bottom plate (11), the eccentric shaft (75) is eccentrically mounted on the rotary disc (74), one end of the third connecting rod (76) is rotatably mounted on the eccentric shaft (75), the other end of the third connecting rod (76) is rotatably connected with the second connecting rod (73), the other end of the second connecting rod (73) is mounted on the guiding ring (71), the third motor (77) is mounted at the bottom end of the bottom plate (11), and the output end of the third motor (77) is connected with the rotary disc (74).