CN109177249B - Plastic film production and processing equipment - Google Patents

Abstract

The invention relates to mechanical production equipment, in particular to plastic film production and processing equipment; the invention aims to provide plastic film production and processing equipment which ensures cutting flatness and improves production efficiency; the plastic film forming machine comprises a controller, a feeding mechanism, an extrusion mechanism, a film extrusion die head, a cooling embossing roller, a shaping mechanism, a coating and drying mechanism, a film pasting mechanism, a cutting mechanism and a winding mechanism, wherein the film extrusion die head is connected with the feeding mechanism into a whole through the extrusion mechanism, so that plastic particles in the feeding mechanism are melted into plastic melt through the extrusion mechanism, then the plastic melt is extruded into a flaky film state through the film extrusion die head, the plastic film which is just extruded and shaped is cooled through the cooling embossing roller and conveyed into the shaping mechanism for shaping, and the coating and drying mechanism, the film pasting mechanism and the like are sequentially arranged behind the shaping mechanism; it has the characteristics of reasonable structural design, convenient use and the like.

Description

Plastic film production and processing equipment

Technical Field

The invention relates to mechanical production equipment, in particular to plastic film production and processing equipment.

Background

Films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene, and other resins are used for packaging, and as film layers. Plastic packages and plastic packaging products have a larger and larger share in the market, particularly composite plastic flexible packages, have been widely applied to the fields of food, medicine, chemical industry and the like, wherein the plastic packages and the plastic packaging products have the largest proportion, such as beverage packages, quick-frozen food packages, steamed food packages, snack food packages and the like, and the plastic packaging products bring great convenience to life of people. With the development of Chinese economy and the adjustment of rural industrial structures, the market demand of various industries in China on plastic films is continuously rising.

At present, there is room for development in plastic film production equipment, and various plastic films are produced and processed by the plastic film production equipment to meet the demands of people on the plastic films. For example, the patent number is 200820208853.4, the patent name is plastic film production equipment, which comprises an extruder for melting plastic particles to form plastic melt, a die head for extruding the plastic melt in a film state, and a frame, wherein an embossing mechanism for embossing and cooling the plastic film is arranged on the frame, a heating and shaping mechanism, a slitting mechanism and a winding mechanism are sequentially arranged behind the embossing mechanism, the slitting mechanism comprises at least two cutters for cutting the plastic film, the cutters are arranged on the frame through guide rails, the cutters are rotatably arranged on the guide rails, and cutting support rollers for matching with the cutters and jacking the plastic film are arranged below the cutters; however, the plastic film production and processing device in this form has the following disadvantages: firstly, the plastic film is divided by the cutting mechanism in a mode of cutting the plastic film by a cutter, so that a large number of burrs are generated on the dividing edge of the plastic film, the dividing edge is not smooth enough, the burrs not only affect the production quality of the whole plastic film, but also easily scratch workers; secondly, in order to ensure that the plastic film achieves the effects of fog dissipation, drip prevention, scratch prevention and the like when in use, a protective agent is coated on the surface of the plastic film or a protective film is pasted on the surface of the plastic film, a mechanism for coating the protective agent or pasting the protective film is not arranged in the plastic film production equipment, and the plastic film is required to be treated through a corresponding mechanism for coating the protective auxiliary agent or a film pasting mechanism, so that the defects of labor intensity enhancement and low production efficiency are overcome.

Aiming at the problems, the solution is urgently needed.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide plastic film production and processing equipment which ensures cutting flatness and improves production efficiency.

In order to achieve the aim, the plastic film production and processing equipment comprises a controller, a feeding mechanism, an extrusion mechanism, a film extrusion die head, a cooling embossing roller, a shaping mechanism, a coating and drying mechanism, a film pasting mechanism, a cutting mechanism and a winding mechanism, wherein the film extrusion die head is connected with the feeding mechanism into a whole through the extrusion mechanism, so that plastic particles in the feeding mechanism are melted into plastic melt through the extrusion mechanism, then the plastic melt is extruded into a flaky film state through the film extrusion die head, the plastic film which is just extruded and formed is cooled through the cooling embossing roller and conveyed to the shaping mechanism for shaping, and a coating and drying mechanism, a film pasting mechanism, a cutting mechanism and a winding mechanism are sequentially arranged behind the shaping mechanism, and the controller respectively controls the feeding mechanism, the extrusion mechanism, the film extrusion die head, the cooling embossing roller, the shaping mechanism, the coating and drying mechanism, the film pasting mechanism, the cutting mechanism and the winding mechanism to work; the feeding mechanism comprises a first frame, a main raw material feed hopper, an auxiliary agent feed hopper, a first conveying pipeline, a second conveying pipeline and a discharge pipe, wherein the main raw material feed hopper and the auxiliary agent feed hopper are respectively fixed on the first frame, a feed inlet and a discharge outlet are respectively formed in the main raw material feed hopper and the auxiliary agent feed hopper, one end of the first conveying pipeline is connected with the discharge outlet of the main raw material feed hopper, the other end of the first conveying pipeline is connected with the discharge pipe, one end of the second conveying pipeline is connected with the discharge outlet of the auxiliary agent feed hopper, the other end of the second conveying pipeline is connected with the discharge pipe, screw rods are respectively arranged in the first conveying pipeline and the second conveying pipeline in the axial direction, each screw rod is driven to work through a corresponding first motor, and the first motor is connected with the controller through a connecting wire, so that the screw rods in the first conveying pipeline and the second conveying pipeline are respectively controlled by the controller to work; the coating and drying mechanism comprises a second rack, a driving roller, a driven roller, a guide roller, a second motor, a trough, a heating and drying mechanism and an induction mechanism, wherein the second rack is transversely provided with a hollow trough with an unsealed upper end, the inner wall of the trough is also connected with a liquid level sensor, the liquid level sensor is connected with an alarm through a connecting wire, the controller respectively controls the liquid level sensor to be connected with the alarm, and the alarm is fixed on the second rack; a driving roller is transversely arranged right above the trough, the length of the driving roller is smaller than that of the trough, the lower circumferential surface of the driving roller is positioned in the trough, so that liquid materials in the trough can be adhered to the outer circumferential surface of the driving roller, and a controller controls a second motor to drive the driving roller to rotate; the driving roller is connected with the driven roller through a mechanism capable of moving up and down, so that the distance between the driving roller and the driven roller is adjusted through the up and down movement mechanism, a running channel for the plastic film to pass through is formed at the distance, and the rotation directions of the driving roller and the driven roller are opposite; the heating and drying mechanism is arranged behind the driving roller and the driven roller and consists of a box body and heating pipes, a through hole for the plastic film to pass through is arranged on the box body, the through hole is level with a running channel for the plastic film to pass through, a plurality of heating pipes are arranged in the box body, and the controller controls the heating pipes to work; the guide rollers are transversely arranged in front of the driving roller and behind the heating and drying mechanism, and the upper end surfaces of the guide rollers are level with the upper end surfaces of the driving roller, so that the plastic film is guided to the interval between the driving roller and the driven roller under the action of the guide rollers; a group of mutually matched induction mechanisms are arranged on the second rack positioned in front of the driving roller, the induction mechanisms are composed of infrared emitters and receivers, the controller controls the induction mechanisms to work, when the induction mechanisms sense that the plastic film is guided to the space between the driving roller and the driven roller through the guide roller, signals are transmitted to the controller, and the controller controls the second motor, the liquid level sensor and the heating and drying mechanism to work; the film pasting mechanism comprises a third frame, a driving roller, a driven roller, a guide roller, a third motor, an upper film placing rod and a lower film placing rod, wherein the driving roller is transversely arranged on the third frame, the three motor drives the driving roller to rotate, and the driven roller is connected right above the driving roller through a mechanism capable of moving up and down, so that the distance between the driving roller and the driven roller is adjusted through the up and down movement mechanism, an operation channel for a plastic film to pass through is formed at the distance, and the rotation directions of the driving roller and the driven roller are opposite; guide rollers are arranged in front of and behind the driving roller, and the upper circumferential surface of the guide rollers is level with the upper circumferential surface of the driving roller; the lower film placing rod is connected between the driving roller and the guide roller through an adjustable fixing frame, the lower film placing rod is detachably connected with the fixing frame, an upper film placing rod is connected with the rear of the driven roller through an adjustable fixing frame, the upper film placing rod is detachably connected with the fixing frame, compaction rollers are arranged behind the upper film placing rod and the lower film placing rod, the compaction rollers are used for tightly attaching the film to the plastic film together, no bubbles are guaranteed, and the controller is connected with a third motor through a connecting wire, so that the third motor is controlled to work; the cutting mechanism comprises a fourth frame, a guide roller, a fourth motor, a fifth motor, a first cutter fixing frame, a second cutter fixing frame, a plurality of roller blades and a waste recycling mechanism, wherein the first cutter fixing frame is arranged on the fourth frame, the roller blades are connected to the first cutter fixing frame through rotating shafts, the second cutter fixing frame is arranged on the left side and the right side of the first cutter fixing frame through mechanisms capable of moving left and right respectively, two roller blades which are symmetrical up and down are arranged on the second cutter fixing frame, a gap is reserved between the two roller blades, so that an operation channel for a plastic film to pass through is formed at the gap, one roller blade on the second cutter fixing frame can move up and down, the distance between the two roller blades on the second cutter fixing frame can be adjusted, the plastic films with different thicknesses can be cut, each roller blade is driven to rotate through the corresponding fourth motor, and the directions of the two roller blades on the second cutter fixing frame are opposite; the guide rollers are arranged in front of and behind the first cutter fixing frame, the guide direction of the guide rollers is the same as the running direction of the plastic film, the height of the guide rollers is level with a running channel through which the plastic film passes, and the fifth motor is connected with one of the guide rollers; the waste recycling mechanism is arranged below the first cutter fixing frame and consists of a base, a rotary table and a sixth motor, the rotary table is arranged on the base through a rotary shaft, the sixth motor drives the rotary table to rotate, the rotating direction of the rotary table is the same as that of a roller blade on the first cutter fixing frame, four connecting rods with the same size and length extend outwards from the end face of the rotary table, and the four connecting rods are distributed in concentric circles on the rotary table; the controller is connected with the motor No. four, the motor No. five and the motor No. six respectively through the connecting wire to control the motor No. four, the motor No. five and the motor No. six respectively through the controller and work.

In order to prevent the surface of the plastic film from being scratched during the operation of the film sticking mechanism, the outside of each guide roller in the film sticking mechanism is also coated with a soft material.

Preferably, the film sticking mechanism is a mechanism capable of moving up and down by an air cylinder.

In order to prevent the protective film attached to the surface of the plastic film from being scratched during the operation of the cutting mechanism, the outside of each guide roller in the cutting mechanism is coated with a soft material.

Preferably, the left-right movement mechanism in the cutting mechanism is realized through an air cylinder or through a motor driving a screw rod.

In order to facilitate the workers to observe the cutting condition conveniently in the dark-light environment, the cutting mechanism can further comprise a lighting system which is arranged on a fourth frame above the cutter fixing frame and connected with the controller through a connecting wire.

The working principle of the plastic film production and processing equipment is as follows: the main raw materials and the auxiliary agent are conveyed into an extrusion mechanism according to a certain proportion requirement to be melted into plastic melt, the plastic melt is extruded into a flaky film state through a film extrusion die head, then the plastic film which is just extruded and molded is cooled through a cooling pattern roller, then the plastic film is shaped through a shaping mechanism, then the outer surface of the plastic film is coated with a protective auxiliary agent through a coating and drying mechanism, and drying the protective auxiliary agent, attaching protective films on the upper surface and the lower surface of the plastic film through a film attaching device, cutting into corresponding sizes according to customer requirements through a cutting device, rolling and recycling waste formed in the cutting process through a waste recycling mechanism in the cutting device, and finally rolling the cut plastic film into a cylindrical body through a winding mechanism.

According to the above, the plastic film production and processing equipment provided by the invention has the following characteristics through the unique structural design: firstly, main raw materials and auxiliary agents can be proportioned according to corresponding proportions through a feeding mechanism, so that the production quality of products is ensured; secondly, the mechanism for coating the protective agent and attaching the protective film is provided, so that the protective effect of the plastic film is better, and the service life is prolonged; thirdly, the cut edge is smooth and flat, no burrs exist, and the cutting quality is ensured. Therefore, the utility model has the characteristics of reasonable structural design, convenient use and the like.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic structural view of a feed mechanism;

FIG. 3 is a schematic structural view of a coating and drying mechanism;

FIG. 4 is a schematic structural view of a film sticking mechanism;

fig. 5 is a schematic structural view of the cutting mechanism.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, 2, 3, 4 and 5, the plastic film production and processing device described in this embodiment includes a controller 1, a feeding mechanism 2, an extrusion mechanism 3, a film extrusion die head 4, a cooling embossing roller 5, a shaping mechanism 6, a coating and drying mechanism 7, a film pasting mechanism 8, a cutting mechanism 9 and a winding mechanism 10, wherein the film extrusion die head 4 is connected with the feeding mechanism 2 into a whole through the extrusion mechanism 3, so that plastic particles in the feeding mechanism 2 are melted into a plastic melt through the extrusion mechanism 3, then the plastic melt is extruded into a sheet-shaped film state through the film extrusion die head 4, the plastic film just extruded is cooled through the cooling embossing roller 5 after the film extrusion die head 4 and is conveyed into the shaping mechanism 6 for shaping, a coating and drying mechanism 7, a film pasting mechanism 8, a cutting mechanism 9 and a winding mechanism 10 are sequentially arranged after the shaping mechanism 6, and the controller 1 respectively controls the feeding mechanism 2, the extrusion mechanism 3, the film extrusion die head 4, the cooling embossing roller 5, the shaping mechanism 6, the coating mechanism 7, the film pasting mechanism 8 and the winding mechanism 9 to work. The feeding mechanism 2 comprises a first frame 2-1, a main raw material feed hopper 2-2, an auxiliary agent feed hopper 2-3, a first conveying pipeline 2-4, a second conveying pipeline 2-5 and a discharge pipe 2-6, wherein the main raw material feed hopper 2-2 and the auxiliary agent feed hopper 2-3 are respectively fixed on the first frame 2-1, the main raw material feed hopper 2-2 and the auxiliary agent feed hopper 2-3 are respectively provided with a feed inlet and a discharge outlet, one end of the first conveying pipeline 2-4 is connected with the discharge outlet of the main raw material feed hopper 2-2, the other end of the first conveying pipeline 2-4 is connected with the discharge pipe 2-6, one end of the second conveying pipeline 2-5 is connected with the discharge outlet of the auxiliary agent feed hopper 2-3, the other end of the second conveying pipeline 2-5 is connected with the discharge pipe 2-6, screws 2-7 are respectively arranged in the first conveying pipeline 2-4 and the second conveying pipeline 2-5 along the axis direction, each screw 2-7 is driven to operate through a corresponding first motor 2-8, the first motor 2-8 is connected with the controller through the first connecting pipeline 2-8, and the second conveying pipeline 2-5 is controlled by the controller to operate through the first motor 2-8 and the second controller 2-5; the coating and drying mechanism 7 comprises a No. two frame 7-1, a driving roller 7-2, a driven roller 7-3, a guide roller 7-4, a No. two motor 7-5, a trough 7-6, a heating and drying mechanism 7-7 and an induction mechanism 7-8, wherein the No. two frame 7-1 is transversely provided with a trough 7-6 which is hollow and has an unsealed upper end, the inner wall of the trough 7-6 is also connected with a liquid level sensor 7-9, the liquid level sensor 7-9 is connected with an alarm 7-10 through a connecting wire, the controller 1 respectively controls the liquid level sensor 7-9 and the alarm 7-10 to be connected, and the alarm 7-10 is fixed on the No. two frame 7-1; a driving roller 7-2 is transversely arranged right above the trough 7-6, the length of the driving roller 7-2 is smaller than that of the trough 7-6, the lower circumferential surface of the driving roller 7-2 is positioned in the trough 7-6, so that liquid materials in the trough 7-6 can be adhered to the outer circumferential surface of the driving roller 7-2, and the controller 1 controls a second motor 7-5 to drive the driving roller 7-2 to rotate; the driven roller 7-3 is connected right above the driving roller 7-2 through a mechanism 7-11 capable of moving up and down, so that the distance between the driving roller 7-2 and the driven roller 7-3 is adjusted through the up and down movement mechanism 7-11, a running channel for the plastic film to pass through is formed at the distance, and the rotation direction of the driving roller 7-2 and the driven roller 7-3 is opposite; the heating and drying mechanism 7-7 is arranged at the rear of the driving roller 7-2 and the driven roller 7-3, the heating and drying mechanism 7-7 consists of a box body and heating pipes, a through hole for a plastic film to pass through is arranged on the box body, the through hole is flush with a running channel for the plastic film to pass through, a plurality of heating pipes are arranged in the box body, and the controller 1 controls the heating pipes to work; the guide roller 7-4 is transversely arranged in front of the driving roller 7-2 and behind the heating and drying mechanism 7-7, and the upper end surface of the guide roller 7-4 is level with the upper end surface of the driving roller 7-2, so that the plastic film is guided to the space between the driving roller 7-2 and the driven roller 7-3 under the action of the guide roller 7-4; a group of mutually matched induction mechanisms 7-8 are arranged on a second rack 7-1 positioned in front of the driving roller 7-2, the induction mechanisms 7-8 are composed of infrared emitters and receivers, the controller 1 controls the induction mechanisms 7-8 to work, when the induction mechanisms 7-8 sense that a plastic film is guided to a space between the driving roller 7-2 and the driven roller 7-3 through the guide roller 7-4, signals are transmitted to the controller 1, and the controller 1 controls a second motor 7-5, a liquid level sensor 7-9 and a heating and drying mechanism 7-8 to work; the film pasting mechanism 8 comprises a No. three frame 8-1, a driving roller 8-2, a driven roller 8-3, a guide roller 8-4, a No. three motor 8-5, an upper film material placing rod 8-6 and a lower film material placing rod 8-7, wherein the driving roller 8-2 is transversely arranged on the No. three frame 8-1, the driving roller 8-2 is driven by the three motor 8-5 to rotate, the driven roller is connected right above the driving roller 8-2 through a mechanism 8-8 capable of moving up and down, so that the distance between the driving roller 8-2 and the driven roller 8-3 is regulated through the up-down movement mechanism 8-8, an operation channel for a plastic film to pass through is formed at the distance, and the rotation direction of the driving roller 8-2 and the driven roller 8-3 is opposite; guide rollers 8-4 are arranged in front of and behind the driving roller 8-2, and the upper circumferential surface of the guide rollers 8-4 is flush with the upper circumferential surface of the driving roller 8-2; a lower film material placing rod 8-7 is connected between the driving roller 8-2 and the guide roller 8-4 through an adjustable fixing frame, the lower film material placing rod 8-7 is detachably connected with the fixing frame, an upper film material placing rod 8-6 is connected behind the driven roller 8-3 through an adjustable fixing frame, the upper film material placing rod 8-6 is detachably connected with the fixing frame, compaction rollers 8-9 are respectively arranged behind the upper film material placing rod 8-6 and the lower film material placing rod 8-7, and the controller 1 is connected with a third motor 8-5 through a connecting wire, so that the third motor 8-5 is controlled to work; the cutting mechanism 9 comprises a fourth frame 9-1, a guide roller 9-2, a fourth motor 9-3, a fifth motor 9-4, a first cutter fixing frame 9-5, a second cutter fixing frame 9-6, five roller blades 9-7 and a waste recycling mechanism 9-8, wherein the first cutter fixing frame 9-5 is arranged on the fourth frame 9-1, the roller blades 9-7 are connected to the first cutter fixing frame 9-5 through a rotating shaft, a second cutter fixing frame 9-6 is arranged on the left side and the right side of the first cutter fixing frame 9-5 respectively through a mechanism capable of moving left and right, two roller blades 9-7 which are vertically symmetrical are arranged on the second cutter fixing frame 9-6, a gap is reserved between the two roller blades 9-7, so that a running channel for a plastic film to pass through is formed at the gap, one roller blade 9-7 on the second cutter fixing frame 9-6 can move up and down, the distance between the two roller blades 9-7 on the second cutter fixing frame 9-6 can be adjusted, the cutting thickness of the different cutter fixing frames 9-6 is met, and the two rollers 9-7 on the second cutter fixing frame 9-6 are driven by the corresponding to the two cutter fixing frames 9-7 which are rotated by the corresponding to the fourth cutter fixing frame 9; the front and the rear of the first cutter fixing frame 9-5 are respectively provided with a guide roller 9-2, the guide direction of the guide rollers 9-2 is the same as the running direction of the plastic film, the height of the guide rollers 9-2 is level with a running channel for the plastic film to pass through, and the fifth motor 9-4 is connected with one guide roller 9-2; two mutually symmetrical waste recovery mechanisms 9-8 are arranged below the first cutter fixing frame 9-5, the waste recovery mechanisms 9-8 are composed of a base, a rotary table and a sixth motor, the rotary table is arranged on the base through a rotary shaft, the sixth motor drives the rotary table to rotate, the rotating direction of the rotary table is the same as the rotating direction of the roller blade 9-7 on the first cutter fixing frame 9-5, four connecting rods with the same size and length extend outwards from the end face of the rotary table, and the four connecting rods are distributed on the rotary table in a concentric circle; the controller 1 is connected with the fourth motor 9-3, the fifth motor 9-4 and the sixth motor respectively through connecting wires, so that the controller 1 controls the fourth motor 9-3, the fifth motor 9-4 and the sixth motor to work respectively.

Claims (4)

1. A plastic film production and processing device is characterized in that: the plastic film forming machine comprises a controller, a feeding mechanism, an extrusion mechanism, a film extrusion die head, a cooling pattern roller, a shaping mechanism, a coating and drying mechanism, a film pasting mechanism, a cutting mechanism and a winding mechanism, wherein the film extrusion die head is connected with the feeding mechanism into a whole through the extrusion mechanism, so that plastic particles in the feeding mechanism are melted into plastic melt through the extrusion mechanism, then the plastic melt is extruded into a flaky film state through the film extrusion die head, the plastic film which is just extruded and shaped is cooled through the cooling pattern roller and conveyed into the shaping mechanism for shaping after being positioned at the rear of the film extrusion die head, and a coating and drying mechanism, a film pasting mechanism, a cutting mechanism and a winding mechanism are sequentially arranged at the rear of the shaping mechanism; the feeding mechanism comprises a first frame, a main raw material feed hopper, an auxiliary agent feed hopper, a first conveying pipeline, a second conveying pipeline and a discharge pipe, wherein the main raw material feed hopper and the auxiliary agent feed hopper are respectively fixed on the first frame, a feed inlet and a discharge outlet are respectively formed in the main raw material feed hopper and the auxiliary agent feed hopper, one end of the first conveying pipeline is connected with the discharge outlet of the main raw material feed hopper, the other end of the first conveying pipeline is connected with the discharge pipe, one end of the second conveying pipeline is connected with the discharge outlet of the auxiliary agent feed hopper, the other end of the second conveying pipeline is connected with the discharge pipe, screw rods are respectively arranged in the first conveying pipeline and the second conveying pipeline in the axial direction, each screw rod is driven to work by a corresponding first motor, and the first motor is connected with the controller through a connecting wire; the coating and drying mechanism comprises a second rack, a driving roller, a driven roller, a guide roller, a second motor, a trough, a heating and drying mechanism and an induction mechanism, wherein the second rack is transversely provided with a hollow trough with an unsealed upper end, the inner wall of the trough is also connected with a liquid level sensor, the liquid level sensor is connected with an alarm through a connecting wire, the controller respectively controls the liquid level sensor to be connected with the alarm, and the alarm is fixed on the second rack; a driving roller is transversely arranged right above the trough, the length of the driving roller is smaller than that of the trough, the lower circumferential surface of the driving roller is positioned in the trough, and the controller controls the second motor to drive the driving roller to rotate; the driving roller is connected with the driven roller through a mechanism capable of moving up and down, so that the distance between the driving roller and the driven roller is adjusted through the up and down movement mechanism, a running channel for the plastic film to pass through is formed at the distance, and the rotation directions of the driving roller and the driven roller are opposite; the heating and drying mechanism is arranged behind the driving roller and the driven roller and consists of a box body and heating pipes, a through hole for the plastic film to pass through is arranged on the box body, the through hole is level with a running channel for the plastic film to pass through, a plurality of heating pipes are arranged in the box body, and the controller controls the heating pipes to work; the guide rollers are transversely arranged in front of the drive roller and behind the heating and drying mechanism, and the upper end surfaces of the guide rollers are level with the upper end surfaces of the drive roller; a group of mutually matched induction mechanisms are arranged on the second rack positioned in front of the driving roller, the induction mechanisms consist of an infrared emitter and a receiver, and the controller controls the induction mechanisms to work; the film pasting mechanism comprises a third frame, a driving roller, a driven roller, a guide roller, a third motor, an upper film placing rod and a lower film placing rod, wherein the driving roller is transversely arranged on the third frame, the three motor drives the driving roller to rotate, and the driven roller is connected right above the driving roller through a mechanism capable of moving up and down, so that the distance between the driving roller and the driven roller is adjusted through the up and down movement mechanism, an operation channel for a plastic film to pass through is formed at the distance, and the rotation directions of the driving roller and the driven roller are opposite; guide rollers are arranged in front of and behind the driving roller, and the upper circumferential surface of the guide rollers is level with the upper circumferential surface of the driving roller; the lower film placing rod is connected between the driving roller and the guide roller through an adjustable fixing frame, the lower film placing rod is detachably connected with the fixing frame, an upper film placing rod is connected behind the driven roller through an adjustable fixing frame, the upper film placing rod is detachably connected with the fixing frame, compaction rollers are arranged behind the upper film placing rod and the lower film placing rod, and the controller is connected with a third motor through a connecting wire; the cutting mechanism comprises a fourth frame, a guide roller, a fourth motor, a fifth motor, a first cutter fixing frame, a second cutter fixing frame, a plurality of roller blades and a waste recycling mechanism, wherein the fourth frame is provided with the first cutter fixing frame, the first cutter fixing frame is connected with one roller blade through a rotating shaft, the second cutter fixing frame is arranged on the left side and the right side of the first cutter fixing frame respectively through a mechanism capable of moving left and right, two roller blades which are vertically symmetrical are arranged on the second cutter fixing frame, a gap is reserved between the two roller blades, so that an operation channel for a plastic film to pass through is formed at the gap, one roller blade on the second cutter fixing frame can move up and down, the distance between the two roller blades on the second cutter fixing frame can be adjusted, each roller blade is driven to rotate through the corresponding fourth motor, and the directions of the two roller blades on the second cutter fixing frame are opposite; the guide rollers are arranged in front of and behind the first cutter fixing frame, the guide direction of the guide rollers is the same as the running direction of the plastic film, the height of the guide rollers is level with a running channel through which the plastic film passes, and the fifth motor is connected with one of the guide rollers; the waste recycling mechanism is arranged below the first cutter fixing frame and consists of a base, a rotary table and a sixth motor, the rotary table is arranged on the base through a rotary shaft, the sixth motor drives the rotary table to rotate, the rotating direction of the rotary table is the same as that of a roller blade on the first cutter fixing frame, four connecting rods with the same size and length extend outwards from the end face of the rotary table, and the four connecting rods are distributed in concentric circles on the rotary table; the controller is respectively connected with a fourth motor, a fifth motor and a sixth motor through connecting wires; the mechanism capable of moving up and down in the film pasting mechanism is realized through an air cylinder; the left-right movement mechanism in the cutting mechanism is realized through an air cylinder or through a motor driving a screw rod.

2. The plastic film production and processing apparatus as set forth in claim 1, wherein: the outside of each guide roller in the film pasting mechanism is also coated with soft materials.

3. The plastic film production and processing apparatus as set forth in claim 1, wherein: the outside of each guide roller in the cutting mechanism is coated with soft materials.

4. The plastic film production and processing apparatus as set forth in claim 1, wherein: the cutting mechanism further comprises an illumination system which is arranged on the fourth frame above the cutter fixing frame and is connected with the controller through a connecting wire.