CN112721087A

CN112721087A - Environment-friendly co-extrusion optical film forming equipment and forming method

Info

Publication number: CN112721087A
Application number: CN202011588299.9A
Authority: CN
Inventors: 李永刚; 王帅; 刘勇
Original assignee: Nanjing Beidi New Material Technology Co ltd
Current assignee: Nanjing Beidi New Material Technology Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-04-30

Abstract

The invention discloses environment-friendly co-extrusion optical film forming equipment and a forming method, and relates to the technical field of optical film forming equipment. The invention has the advantages that the mixed materials can be continuously conveyed to the forming extrusion roller group through the single driving part, and the cover plate can be automatically lifted and closed before and after each stirring, thereby solving the problems that the stirring efficiency is low when the materials are stirred and mixed only through the rotation mode of the single stirring rod, and the operation is troublesome when the cover plate of the cylinder body is opened before and after each stirring.

Description

Environment-friendly co-extrusion optical film forming equipment and forming method

Technical Field

The invention relates to the technical field of optical film forming equipment, in particular to environment-friendly co-extrusion optical film forming equipment and a forming method.

Background

The optical film is widely applied in the coating industry, and at present, the optical film made of the light-intensifying material is available in the industry.

For example, the co-extrusion optical film forming apparatus disclosed in chinese patent CN201720710105.5, the document includes a fixed base, an extrusion forming mechanism, a forming extrusion roller set, a shaping roller set, a traction pressing wheel set, a rim charge cutting mechanism, a tension wheel, a bonding wheel set, a protective film discharging shaft and a main material receiving shaft; the extrusion molding mechanism, the molding extrusion roller set, the shaping roller set, the traction pressing wheel set, the rim charge cutting mechanism, the tension wheel, the laminating wheel set and the main material receiving shaft are sequentially arranged on the fixed base along the material output direction; the protective film discharging shaft is arranged on the fixed base and is positioned between the tension pulley and the laminating wheel set machine position. An extrusion molding mechanism is adopted, so that a gluing process is omitted, the process flow is simplified, and the production cost of the process flow is reduced; the equipment does not need to perform gluing action on a base material, so that the problem of product quality of irregular or continuous embossed concave-convex points caused by blockage of a forming line roller by foreign matters due to the purity of glue is avoided, and a product with excellent quality can be produced.

However, in the above documents, when the materials are stirred and mixed, the materials are stirred only in a single stirring rod rotating mode, so that the stirring efficiency is low, and the cover plate of the cylinder body is opened before and after each stirring, which is troublesome to operate.

Disclosure of Invention

The invention aims to provide environment-friendly co-extrusion forming optical film equipment and a forming method, which have the effects that mixed materials can be continuously conveyed to a forming extrusion roller set through a single driving part, and a cover plate can be automatically lifted and closed before and after each stirring, so that the problems that the stirring efficiency is low and the operation is troublesome because the cover plate of a cylinder body is opened before and after each stirring because a single stirring rod rotates when the materials are stirred and mixed are solved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a but environment-friendly crowded shaping blooming equipment altogether, includes the barrel, still includes puddler and apron to and be used for driving the puddler with the apron moves down to the lower dead center, just after the apron lid was established the barrel nozzle, the puddler still can continue to rotate, simultaneously to the actuating mechanism that the barrel produced the vibration.

Preferably, the driving mechanism comprises a mounting frame, the mounting frame is fixedly connected to the top of the barrel, a supporting plate is fixedly connected to the side face of the mounting frame, a rotary driving source is fixedly connected to the surface of the supporting plate, a first gear is fixedly connected to a driving part of the rotary driving source, a fixed plate is fixedly connected to the side face of the mounting frame, a first through hole which is communicated with each other is formed in the upper surface and the lower surface of the fixed plate, an inner spline housing is rotatably connected to the hole wall of the first through hole, a spline shaft is connected to an inner spline groove of the inner spline housing through a spline, the stirring rod and the cover plate are both fixedly connected to the bottom of the spline shaft, a first bevel gear is fixedly connected to the upper surface of the inner spline housing, a connecting shaft is rotatably connected to the surface of the supporting plate, a second gear and a, the utility model discloses a gear rack, including a barrel, a conical gear, a spline shaft, a fixed surface of the barrel, a conical gear two and a conical gear one mesh mutually, the top of integral key shaft is rotated and is connected with the linking arm, the lower fixed surface of linking arm is connected with the tooth piece, the lower fixed surface of tooth piece is connected with the dead lever, rack plate one has been cup jointed on the surface of dead lever, rack plate one with a gear meshes mutually, rack plate one through elasticity canceling release mechanical system with the tooth piece is connected, the side fixedly connected with limiting plate of barrel, the limiting plate is located under rack plate one.

Preferably, the bottom of the cylinder body is provided with an extruding mechanism.

Preferably, the extrusion mechanism comprises a spiral extrusion plate, and the spiral extrusion plate is rotatably connected to the bottom of the cylinder.

Preferably, the lower fixed surface of rack board one is connected with rack board two, the lower fixed surface of barrel is connected with the mounting panel, through-hole two has been seted up to the side of mounting panel, the pore wall of through-hole two rotates and is connected with the transmission shaft, the bottom of barrel is seted up and is used for the transmission shaft penetrates and pivoted opening three, the left side fixedly connected with bevel gear three of transmission shaft, the top fixedly connected with bevel gear four of spiral extrusion board, bevel gear four with the meshing of bevel gear three-phase, the right-hand member of transmission shaft is connected with gear three through one-way bearing, gear three with rack board two-phase meshing.

Preferably, the elastic reset mechanism comprises a spring, the spring is sleeved on the surface of the connecting arm, and two end parts of the spring are respectively fixedly connected with the upper surface of the first rack plate and the lower surface of the tooth block.

Preferably, the rotation drive source includes a motor, and the motor is a servo motor.

The invention provides a forming method which comprises the following steps: a molding method of environment-friendly co-extrusion molding optical film equipment comprises the following steps:

s1: putting materials required by the preparation of the optical film into the cylinder;

s2: the stirring rod and the cover plate are driven to move downwards to a lower stop point through the driving mechanism, and after the cover plate covers the opening of the cylinder body, the stirring rod still continues to rotate, and the cylinder body is vibrated at the same time so as to mix and stir the materials in the cylinder body;

s3: and extruding the mixed material into a subsequent forming extrusion roller group, and then realizing the co-extrusion forming of the optical film by the forming extrusion roller group.

Compared with the prior art, the invention has the following beneficial effects:

firstly, the invention starts from the state shown in fig. 1, and the cover plate is far away from the opening of the cylinder body, thereby facilitating an operator to put materials required by the preparation of the optical film into the cylinder body.

Secondly, after the material is placed in the barrel, the first gear is driven to rotate by rotating the driving source, the first gear is driven to move downwards by the rotation of the first gear and through the meshing relation between the first rack plate and the first gear, when the lower surface of the first rack plate contacts the upper surface of the limiting plate, the rack plate cannot move downwards continuously at the moment, and the cover plate shields the barrel opening of the barrel, so that the phenomenon that the material splashes out when the material in the barrel is stirred subsequently is avoided.

Thirdly, after the lower surface of the first rack plate contacts the upper surface of the limiting plate, the first gear continuously rotates along with the continuous rotation of the first gear in the graph 3 and the elastic acting force of the spring, the tooth block is continuously pressed by teeth on the surface of the first gear to reciprocate up and down, the connecting arm is driven to reciprocate up and down through the up and down reciprocating movement of the tooth block, the spline shaft is driven to reciprocate up and down through the up and down reciprocating movement of the connecting arm, and the stirring rod is driven to reciprocate up and down through the up and down reciprocating movement of the spline shaft, so that the material in the barrel is disturbed, and the mixing effect and the efficiency of the material are improved.

Fourthly, the first gear rotates, the second gear is driven to rotate through the meshing relation between the first gear and the second gear, the second bevel gear is driven to rotate through the rotation of the second gear, the second bevel gear rotates, the second bevel gear and the first bevel gear are driven to rotate through the meshing relation between the second bevel gear and the second bevel gear, the inner spline sleeve rotates through the rotation of the inner spline sleeve, the spline shaft rotates, the stirring rod rotates through the rotation of the spline shaft, and the stirring rod in up-and-down reciprocating movement is matched with the stirring rod, so that the mixing effect and the efficiency of materials are further improved.

Fifth, the rack plate I can be subjected to the vibration force generated when the tooth blocks are pressed and impacted by the teeth on the surface of the gear I, and the vibration force transmits the limiting plate to the barrel body, so that on one hand, the material in the barrel body is vibrated, the mixing efficiency of the material is improved, and on the other hand, the material can be prevented from being stuck on the inner wall of the barrel body through the vibration force.

After the mixing is finished, the first gear is driven to rotate reversely by rotating the driving source, and can be meshed with the first rack plate again by the reverse rotation of the first gear and the elastic force of the spring, so that the first rack plate is driven to move upwards and return to the state shown in the figure 1, and the barrel is filled next time.

Seventh, the rack plate II is driven to move upwards by the upward movement of the rack plate I, the rack plate II moves upwards and is limited by the meshing relationship between the gear III and the rack plate II and the rotation direction of the one-way bearing, so that the gear III can drive the transmission shaft to rotate only when the rack plate II moves upwards, the transmission shaft rotates to drive the bevel gear III to rotate, the bevel gear III rotates and drives the spiral extrusion plate to rotate through the meshing relationship between the bevel gear III and the bevel gear IV, mixed materials can be extruded into a subsequent forming extrusion roller set through the spiral extrusion plate, and then the forming extrusion roller set realizes the co-extrusion forming of the optical film, and the degree of automation is higher.

In conclusion, through single drive assembly, can constantly carry the material after mixing to the shaping extrusion roller train.

Drawings

FIG. 1 is a first state diagram of the structure of the present invention and is taken as a front view;

FIG. 2 is a side view of a drive shaft, one-way bearing and gear arrangement of the present invention;

FIG. 3 is a second state diagram of the structure of the present invention;

fig. 4 is a front view of the first gear, the connecting arm, the tooth block, the fixing lever, the first rack plate, the limiting plate and the spring structure in the state corresponding to fig. 3 according to the present invention.

In the figure: 1-cylinder, 2-stirring rod, 3-cover plate, 4-mounting rack, 5-support plate, 6-rotation driving source, 7-first gear, 8-fixing plate, 9-internal spline sleeve, 10-spline shaft, 11-first conical gear, 12-connecting shaft, 13-second gear, 14-second conical gear, 15-connecting arm, 16-tooth block, 17-fixing rod, 18-first rack plate, 19-limiting plate, 20-spiral extrusion plate, 21-second rack plate, 22-mounting plate, 23-transmission shaft, 24-third conical gear, 25-fourth conical gear, 26-one-way bearing, 27-third gear and 28-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: an environment-friendly co-extrusion optical film forming device comprises a cylinder body 1, a stirring rod 2, a cover plate 3 and a driving mechanism for driving the stirring rod 2 and the cover plate 3 to move downwards to a lower stop point, wherein after the cover plate 3 covers a cylinder opening of the cylinder body 1, the stirring rod 2 can still continuously rotate, and simultaneously generates vibration to the cylinder body 1, when forming is started, as shown in a state shown in figure 1, the cover plate 3 is far away from the cylinder opening of the cylinder body 1, so that an operator can conveniently place materials required by optical film forming into the cylinder body 1, after the placement is completed, the cover plate 3 can cover the cylinder opening of the cylinder body 1 when the stirring rod 2 and the cover plate 3 are driven to move downwards to the lower stop point through the driving mechanism, the phenomenon that the materials are splashed out when the materials in the cylinder body 1 are subsequently stirred is avoided, and simultaneously, the stirring rod 2 can continuously rotate through the continuous operation of the driving mechanism, thereby carry out the disturbance to the material in the barrel 1, improved the mixed effect and the efficiency to the material, it is right simultaneously barrel 1 produces the vibration, and the material in to barrel 1 vibrates on the one hand, has improved the mixing efficiency of material, and on the other hand passes through the vibrational force, can avoid the material to glue at the inner wall of barrel 1.

Further, the driving mechanism comprises a mounting frame 4, the mounting frame 4 is fixedly connected to the top of the barrel 1, a supporting plate 5 is fixedly connected to the side of the mounting frame 4, a rotary driving source 6 is fixedly connected to the surface of the supporting plate 5, a first gear 7 is fixedly connected to a driving part of the rotary driving source 6, a fixing plate 8 is fixedly connected to the side of the mounting frame 4, a first through hole which is communicated with each other is formed in the upper surface and the lower surface of the fixing plate 8, an inner spline housing 9 is rotatably connected to the hole wall of the first through hole, an inner spline housing 10 is connected to an inner spline groove spline of the inner spline housing 9, the stirring rod 2 and the cover plate 3 are both fixedly connected to the bottom of the spline shaft 10, a first bevel gear 11 is fixedly connected to the upper surface of the inner spline housing 9, a connecting shaft 12 is rotatably connected to the surface of the supporting plate 5, and a, the two gears 13 with the one gear 7 meshes mutually, the two bevel gears 14 with the one bevel gear 11 meshes mutually, the top of integral key shaft 10 is rotated and is connected with linking arm 15, the lower fixed surface of linking arm 15 is connected with tooth piece 16, the lower fixed surface of tooth piece 16 is connected with dead lever 17, rack plate 18 has been cup jointed on the surface of dead lever 17, rack plate 18 with the one gear 7 meshes mutually, rack plate 18 through the elasticity canceling release mechanical system with tooth piece 16 is connected, the side fixedly connected with limiting plate 19 of barrel 1, limiting plate 19 is located under rack plate 18, the elasticity canceling release mechanical system includes spring 28, the spring 28 cover is established the surface of linking arm 15, the both ends of spring 28 respectively with the upper surface of rack plate 18 with the lower fixed surface of tooth piece 16 is connected, the first gear 7 is driven to rotate by rotating the driving source 6, the first gear 18 is driven to move downwards by the rotation of the first gear 7 and the meshing relation between the first rack plate 18 and the first gear 7, when the lower surface of the first rack plate 18 contacts the upper surface of the limiting plate 19, as shown in a combined view of fig. 3, the first rack plate 18 cannot move downwards continuously, and the cover plate 3 shields the opening of the barrel body 1, so that the phenomenon that materials are splashed out when materials in the barrel body 1 are stirred subsequently is avoided; after the lower surface of the rack plate I18 contacts the upper surface of the limiting plate 19, the gear I7 continuously rotates along with the continuous rotation of the gear I7 in fig. 3 and the elastic acting force of the spring 28, so that the tooth block 16 is continuously pressed by the teeth on the surface of the gear I7 to reciprocate up and down, the tooth block 16 reciprocates up and down to drive the connecting arm 25 to reciprocate up and down, the connecting arm 25 reciprocates up and down to drive the spline shaft 10 to reciprocate up and down, and the spline shaft 10 reciprocates up and down to drive the stirring rod 2 to reciprocate up and down, so that the material in the barrel 1 is disturbed, and the mixing effect and efficiency of the material are improved; the first gear 7 rotates and drives the second gear 13 to rotate through the meshing relation between the first gear 7 and the second gear 13, the second gear 13 rotates and drives the second bevel gear 14 to rotate, the second bevel gear 14 rotates and drives the inner spline housing 9 to rotate through the meshing relation between the second bevel gear 14 and the first bevel gear 11, the spline shaft 10 is driven to rotate through the rotation of the inner spline housing 9, the stirring rod 2 is driven to rotate through the rotation of the spline shaft 10, and the stirring rod 2 in up-and-down reciprocating movement is matched, so that the mixing effect and the efficiency of materials are further improved; through the constantly support of receiving 7 surface teeth of gear through tooth piece 16 and pressing, rack plate 18 can receive tooth piece 16 and supported the vibrational force that produces when pressing the striking, and the vibrational force has given limiting plate 19 the transmission for barrel 1 again, and then on the one hand vibrates the material in barrel 1, has improved the mixing efficiency of material, and on the other hand passes through the vibrational force, can avoid the material to glue at the inner wall of barrel 1.

Further, the bottom of the cylinder 1 is provided with an extruding mechanism.

Further, the extrusion mechanism comprises a spiral extrusion plate 20, and the spiral extrusion plate 20 is rotatably connected to the bottom of the cylinder 1.

Further, the lower fixed surface of one rack plate 18 is connected with two rack plates 21, the lower fixed surface of barrel 1 is connected with mounting panel 22, through-hole two has been seted up to mounting panel 22's side, the pore wall of through-hole two rotates and is connected with transmission shaft 23, the bottom of barrel 1 is offered and is used for transmission shaft 23 penetrates and pivoted opening three, the left side fixedly connected with conical gear three 24 of transmission shaft 23, the top fixedly connected with conical gear four 25 of screw extrusion board 20, conical gear four 25 with conical gear three 24 meshes mutually, the right-hand member of transmission shaft 23 is connected with gear three 27 through one-way bearing 26, gear three 27 with two 21 meshes mutually of rack plate, moves up through one rack plate 18, drives two 21 of rack plates to shift up, moves up through two 21 of rack plates and through the meshing relation between gear three 27 and two 21 of rack plates, and the rotation direction of the one-way bearing 26 is limited, so that only when the rack plate II 21 moves upwards, the gear III 27 can drive the transmission shaft 23 to rotate, the transmission shaft 23 rotates to drive the bevel gear III 24 to rotate, the bevel gear III 24 rotates and drives the spiral extrusion plate 20 to rotate through the meshing relation between the bevel gear III 24 and the bevel gear IV 25, the mixed materials can be extruded into a subsequent forming extrusion roller group through the spiral extrusion plate 20, the co-extrusion forming of the optical film is realized through the forming extrusion roller group, and the automation degree is higher.

Further, the rotation drive source 6 includes a motor, and the motor is a servo motor.

Referring to fig. 1 to 4, the present invention provides a forming method: a molding method of environment-friendly co-extrusion molding optical film equipment comprises the following steps:

s1: putting materials required by optical film preparation into the cylinder 1;

s2: the stirring rod 2 and the cover plate 3 are driven to move downwards to a lower stop point through the driving mechanism, and after the cover plate 3 covers the opening of the cylinder body 1, the stirring rod 2 still continues to rotate, and simultaneously the cylinder body 1 is vibrated so as to mix and stir the materials in the cylinder body 1;

The working principle is as follows: when the environment-friendly co-extrusion optical film forming equipment is formed, as shown in the state of figure 1, the cover plate 3 is far away from the opening of the cylinder body 1, so that an operator can conveniently place materials required by optical film preparation into the cylinder body 1;

after the material is put into the barrel, the first gear 7 is driven to rotate by rotating the driving source 6, the first gear 18 is driven to move downwards by the rotation of the first gear 7 and through the meshing relation between the first rack 18 and the first gear 7, when the lower surface of the first rack 18 contacts the upper surface of the limiting plate 19, as shown in a combined view in fig. 3, the first rack 18 cannot move downwards continuously, and the cover plate 3 shields the opening of the barrel 1, so that the phenomenon that the material is splashed out when the material in the barrel 1 is stirred subsequently is avoided;

after the lower surface of the rack plate I18 contacts the upper surface of the limiting plate 19, the gear I7 continuously rotates along with the continuous rotation of the gear I7 in fig. 3 and the elastic acting force of the spring 28, so that the tooth block 16 is continuously pressed by the teeth on the surface of the gear I7 to reciprocate up and down, the tooth block 16 reciprocates up and down to drive the connecting arm 25 to reciprocate up and down, the connecting arm 25 reciprocates up and down to drive the spline shaft 10 to reciprocate up and down, and the spline shaft 10 reciprocates up and down to drive the stirring rod 2 to reciprocate up and down, so that the material in the barrel 1 is disturbed, and the mixing effect and efficiency of the material are improved;

the first gear 7 rotates and drives the second gear 13 to rotate through the meshing relation between the first gear 7 and the second gear 13, the second gear 13 rotates and drives the second bevel gear 14 to rotate, the second bevel gear 14 rotates and drives the inner spline housing 9 to rotate through the meshing relation between the second bevel gear 14 and the first bevel gear 11, the spline shaft 10 is driven to rotate through the rotation of the inner spline housing 9, the stirring rod 2 is driven to rotate through the rotation of the spline shaft 10, and the stirring rod 2 in up-and-down reciprocating movement is matched, so that the mixing effect and the efficiency of materials are further improved;

through the continuous pressing of the teeth block 16 on the surface of the first gear 7, the rack plate 18 can be subjected to the vibration force generated when the teeth block 16 is pressed and impacted, and the vibration force transmits the limiting plate 19 to the barrel body 1, so that on one hand, the materials in the barrel body 1 are vibrated, the mixing efficiency of the materials is improved, and on the other hand, the materials can be prevented from being stuck on the inner wall of the barrel body 1 through the vibration force;

after the mixing is finished, the first gear 7 is driven to rotate reversely by rotating the driving source 6, the first gear 7 can be meshed with the first rack plate 18 again by the reverse rotation of the first gear 7 and the elastic force of the spring 28, and then the first rack plate 18 is driven to move upwards and return to the state shown in fig. 1, so that the barrel 1 is filled next time;

the rack plate I18 moves upwards to drive the rack plate II 21 to move upwards, the rack plate II 21 moves upwards and is limited by the meshing relation between the gear III 27 and the rack plate II 21 and the rotating direction of the one-way bearing 26, so that the gear III 27 can drive the transmission shaft 23 to rotate only when the rack plate II 21 moves upwards, the transmission shaft 23 rotates to drive the bevel gear III 24 to rotate, the bevel gear III 24 rotates and drives the screw extrusion plate 20 to rotate through the meshing relation between the bevel gear III 24 and the bevel gear IV 25, the mixed materials can be extruded into a subsequent forming extrusion roller set through the screw extrusion plate 20, the co-extrusion forming of the optical film is realized through the forming extrusion roller set, and the degree of automation is higher;

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but environment-friendly crowded shaping blooming equipment altogether, includes barrel (1), its characterized in that: the device is characterized by further comprising a stirring rod (2), a cover plate (3) and a driving mechanism, wherein the driving mechanism is used for driving the stirring rod (2) and the cover plate (3) to move downwards to a lower dead point, and after the cover plate (3) covers the opening of the cylinder body (1), the stirring rod (2) can still continue to rotate and vibrate the cylinder body (1).

2. The environmentally friendly co-extrusion optical film apparatus of claim 1, wherein: the driving mechanism comprises a mounting frame (4), the mounting frame (4) is fixedly connected to the top of the barrel body (1), a supporting plate (5) is fixedly connected to the side of the mounting frame (4), a rotary driving source (6) is fixedly connected to the surface of the supporting plate (5), a first gear (7) is fixedly connected to a driving part of the rotary driving source (6), a fixing plate (8) is fixedly connected to the side of the mounting frame (4), a first through hole which is communicated with each other is formed in the upper surface and the lower surface of the fixing plate (8), an inner spline sleeve (9) is rotatably connected to the hole wall of the first through hole, a spline shaft (10) is splined to the inner spline groove of the inner spline sleeve (9), the stirring rod (2) and the cover plate (3) are fixedly connected to the bottom of the spline shaft (10), and a first bevel gear (11) is fixedly connected to the upper surface of, the surperficial of backup pad (5) is rotated and is connected with connecting axle (12), the fixed surface of connecting axle (12) is connected with two (13) of gear and conical gear (14), two (13) of gear with one (7) mesh mutually, two (14) of conical gear with one (11) mesh mutually, the top of integral key shaft (10) is rotated and is connected with linking arm (15), the lower fixed surface of linking arm (15) is connected with tooth piece (16), the lower fixed surface of tooth piece (16) is connected with dead lever (17), rack plate (18) has been cup jointed on the surface of dead lever (17), rack plate (18) with one (7) mesh mutually of gear, rack plate (18) through elasticity canceling release mechanical system with tooth piece (16) are connected, the side fixedly connected with limiting plate (19) of barrel (1), the limiting plate (19) is located right below the first rack plate (18).

3. The environmentally friendly co-extrusion optical film apparatus of claim 2, wherein: the bottom of the cylinder body (1) is provided with an extruding mechanism.

4. The environmentally friendly co-extrusion optical film apparatus of claim 3, wherein: the extruding mechanism comprises a spiral extruding plate (20), and the spiral extruding plate (20) is rotatably connected to the bottom of the cylinder body (1).

5. The environmentally friendly co-extrusion optical film apparatus of claim 4, wherein: the lower fixed surface of rack board (18) is connected with rack board two (21), the lower fixed surface of barrel (1) is connected with mounting panel (22), through-hole two has been seted up to the side of mounting panel (22), the pore wall of through-hole two rotates and is connected with transmission shaft (23), the bottom of barrel (1) is seted up and is used for transmission shaft (23) penetrate and pivoted opening three, the left side fixedly connected with conical gear three (24) of transmission shaft (23), the top fixedly connected with conical gear four (25) of board (20) is extruded to the spiral, conical gear four (25) with conical gear three (24) mesh mutually, the right-hand member of transmission shaft (23) is connected with gear three (27) through one-way bearing (26), gear three (27) with rack board two (21) mesh mutually.

6. The environmentally friendly coextrusion optical film apparatus according to any one of claims 2, 3, 4, or 5, wherein: the elastic reset mechanism comprises a spring (28), the spring (28) is sleeved on the surface of the connecting arm (15), and two end parts of the spring (28) are fixedly connected with the upper surface of the first rack plate (18) and the lower surface of the tooth block (16) respectively.

7. The environmentally friendly co-extrusion optical film apparatus of claim 1, wherein: the rotary driving source (6) comprises a motor which is a servo motor.

8. The forming method of the environmentally friendly co-extrusion optical film forming equipment according to claim 1, characterized by comprising the following steps:

s1: putting materials required by optical film preparation into the cylinder body (1);

s2: the stirring rod (2) and the cover plate (3) are driven to move downwards to a lower stop point through the driving mechanism, and after the cover plate (3) covers the opening of the cylinder body (1), the stirring rod (2) still continues to rotate, and simultaneously the cylinder body (1) is vibrated so as to mix and stir the materials in the cylinder body (1);