CN112497575A

CN112497575A - Degradable plastic film recycling method

Info

Publication number: CN112497575A
Application number: CN202011465056.6A
Authority: CN
Inventors: 王晓春
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-03-16

Abstract

The invention provides a method for recycling a degradable plastic film, which adopts the following equipment for recycling treatment, wherein the equipment comprises a base, an L-shaped frame and a crushing device, the lower end of the base is connected with the existing ground, the L-shaped frame is symmetrically arranged at the front and back of the upper end of the base, and the crushing device is arranged between the upper ends of the front and back oppositely arranged L-shaped frames.

Description

Degradable plastic film recycling method

Technical Field

The invention relates to the field of plastic films, in particular to a method for recycling a degradable plastic film.

Background

The plastic film is a film made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, is used for packaging, and is used as a film coating layer, plastic packaging and plastic packaging products, and is widely applied to the fields of food, medicine, chemical industry and the like, great convenience is brought to people's life, the plastic film can bring irreversible influence on the environment while being convenient, because the initial plastic film is basically undegradable and degradable refers to natural decomposition, so that a great number of plastic films can not be naturally decomposed, the degradable plastic film is produced for environmental protection, but because the number of people using the plastic film is huge, the time required for completely decomposing the degradable plastic film is longer, and the degradable plastic film also has influence on the environment, the recycling policy of the degradable plastic film is implemented in many regions so as to achieve the purposes of energy saving and environmental protection, however, the following problems still exist in the conventional method for recycling the degradable plastic film:

1. in a common method for recycling and reusing the degradable plastic film, the degradable plastic film is not crushed, but impurities on the surface of the degradable plastic film are directly treated, and some plastic films have large areas and are difficult to treat, so that the cleaning rate of the plastic films is reduced;

2. in the process of cleaning the degradable plastic film, the impurities on the surface of the plastic film which are removed are easy to adhere to the surface of the plastic film again, so that the cleaning effect of the plastic film is poor.

Disclosure of Invention

In order to solve the problems, the invention provides a method for recycling a degradable plastic film, which adopts the following equipment for recycling treatment, wherein the equipment comprises a base, an L-shaped frame and a crushing device, the lower end of the base is connected with the existing ground, the L-shaped frame is symmetrically arranged at the front and the back of the upper end of the base, and the crushing device is arranged between the upper ends of the front and the back opposite L-shaped frames.

The crushing device comprises a crushing box, a mounting shaft, a crushing cutter, a first gear, a rotating shaft, a first motor, an Contraband-shaped frame, a second gear, a fixed rod and a baffle plate, wherein the crushing box is mounted between the upper ends of front and back opposite L-shaped frames, the mounting shaft is symmetrically arranged in the crushing box front and back, the crushing cutters are mounted on the outer wall of the mounting shaft at equal intervals from left to right, the crushing cutters are distributed at equal intervals along the axial direction of the mounting shaft, the left end and the right end of the mounting shaft are in rotating fit with the inner wall of the crushing box, the right end of the mounting shaft extends to the right side of the crushing box, the right end of the mounting shaft at the rear end in the crushing box is provided with the first gear, the right end of the first gear is provided with the rotating shaft, the right end of the rotating shaft is provided with the first motor, the lower end of the first motor is provided with a Contraband-shaped frame in a horizontal state with an opening facing left, intermeshing between rear end and the gear of No. two gears, the right-hand member of No. two gears rotates and is connected with the dead lever, the baffle is installed to the right-hand member of dead lever, the lower extreme of baffle links to each other with the upper end of Contraband type frame, it is rotatory to drive the pivot through a motor, the pivot drives a gear synchronous revolution, No. one gear drives No. two gear synchronous revolutions, make two installation epaxial side synchronous revolutions to the inboard, thereby make two epaxial broken swoves of installation extrude and cut plastic film, in order to realize broken plastic film's function, and then improve follow-up clearance rate to plastic film.

The method specifically comprises the following steps when the degradable plastic film is recycled by adopting the equipment:

s1, equipment checking: before the equipment is started to recycle the degradable plastic film, the running of the equipment is checked;

s2, feeding and crushing: putting the plastic film to be recycled into a crushing box in a manual mode, and then enabling a mounting shaft to drive a crushing cutter to cut and crush the plastic film by utilizing the mutual matching among a first motor, a first gear and a second gear;

s3, kneading and cleaning: rubbing the crushed plastic film to enable impurities on the surface of the plastic film to fall off, and flushing the fallen impurities by using clear water;

s4, fishing: after the plastic film is cleaned, the plastic film is manually fished out of the water;

s5, repeating the steps S2-S4 until all the plastic films are processed, and then drying and storing the plastic films for reuse.

As a preferable technical scheme of the invention, the lower end of the crushing box is provided with the discharging hopper which consists of the trapezoid hopper and the rectangular hopper, and the discharging hopper is arranged, so that the crushed plastic films can fall off in a concentrated manner, and the plastic films are prevented from flying around in the falling process and being difficult to perform subsequent treatment.

As a preferred technical scheme of the invention, a cleaning box is arranged below the discharging hopper, the bottom of the cleaning box is connected with the upper end face of the base, the cleaning box is positioned between the front and rear L-shaped frames which are opposite, a partition plate is arranged in the cleaning box, a kneading mechanism is arranged above the partition plate, and the broken plastic film can be kneaded through the mutual matching among the cleaning box, the partition plate and the kneading mechanism, so that impurities on the surface of the plastic film are removed.

As a preferred technical scheme of the invention, the rubbing mechanism comprises a rack, a third gear, a linkage shaft, a second motor, an ear seat, a roll shaft and a round roller, wherein the inner walls of the front end and the rear end of the cleaning box are symmetrically connected with the rack in a sliding fit mode, the third gear is meshed with the upper end face of the right end of the rack, the linkage shaft is arranged between the front gear and the rear gear which are opposite, the front end and the rear end of the linkage shaft are in rotating fit with the inner wall of the cleaning box, the second motor is arranged at the rear end of the linkage shaft and is positioned outside the cleaning box, the rear end of the second motor is connected with an L-shaped frame, the ear seat is symmetrically arranged at the left and right of the lower end of the rack, the roll shaft is rotatably connected between the front ear seat and the rear end which are opposite, the round roller is sleeved on the outer wall of the roll shaft in a rotating fit mode, the surface of the round roller is spiral, the round, the universal driving shaft drives the third gear to rotate synchronously, the third gear drives the rack to do linear motion, the rack can be driven to do reciprocating linear motion through positive and negative rotation of the second motor, the rack drives the ear seat and the roller shaft to do the synchronous linear reciprocating motion, the roller shaft drives the round roller to do the synchronous linear reciprocating motion, and due to the matching between the round roller and the roller shaft, the roller shaft does autorotation motion while doing the reciprocating linear motion, thereby realizing the function of reciprocating and rubbing the plastic film by the round roller, so as to clear away impurities on the surface of the plastic film, and achieving the cleaning effect.

As a preferred technical scheme of the invention, the right end face of the cleaning box is provided with a through hole, a connecting pipe is arranged in the through hole, the left end of the connecting pipe is positioned in the cleaning box, the left end of the connecting pipe is provided with a flow dividing pipe, the left ends of the flow dividing pipes are provided with spray pipes at equal intervals from front to back, the water pipe is communicated with the connecting pipe in a manual mode, and then water is poured into the cleaning box through the flow dividing pipe and the spray pipes, so that the function of washing the plastic film with clean water while kneading the plastic film can be realized, impurities falling from the surface of the plastic film can be washed away, and the cleaning effect of the plastic film is further enhanced.

As a preferred technical scheme of the invention, the upper end surface of the partition board is provided with the arc blocks, the arc blocks are arranged in a matrix manner, the adjacent arc blocks are provided with the filtering holes, the arc blocks are matched with the spiral round roller, the function similar to a washboard can be realized, the rubbing treatment effect is better, and the filtering holes are formed, so that impurities and dirty water falling from the surface of the plastic film can be filtered to the lower part of the partition board in the rubbing and washing processes of the plastic film, and the secondary pollution of the plastic film caused by the impurities staying on the partition board can be avoided.

As a preferred technical solution of the present invention, the crushing knives comprise long knives and short knives, the long knives and the short knives are adjacently distributed, the crushing knives at the front end inside the crushing box and the crushing knives at the rear end inside the crushing box are in a length staggered distribution, and the structure that the crushing knives on the two mounting shafts are in a length staggered distribution is adopted, so that the crushing force can be improved, the mutual interference of the crushing knives on the two mounting shafts can be prevented, meanwhile, enough space can be provided for processing more plastic films at one time, and the crushing processing speed of the plastic films can be improved.

The invention has the beneficial effects that:

the first motor, the rotating shaft, the first gear and the second gear are matched with each other, so that the two mounting shafts synchronously rotate inwards, the crushing cutters on the two mounting shafts extrude and cut the plastic film, the function of crushing the plastic film is realized, and the subsequent cleaning rate of the plastic film is improved;

the second motor, the linkage shaft and the third gear are matched with each other, so that the rack drives the lug seat and the roll shaft to do linear reciprocating motion;

thirdly, the water pipe is communicated with the connecting pipe in a manual mode, and water is poured into the cleaning box through the flow dividing pipe and the spray pipe, so that the function of washing the plastic film by clean water while kneading the plastic film can be realized, impurities falling from the surface of the plastic film can be washed away, and the cleaning effect of the plastic film is enhanced;

the invention can play a role similar to a washboard by matching the circular arc block and the spiral circular roller, so that the rubbing treatment effect is better, and impurities and dirty water falling from the surface of the plastic film can be filtered to the lower part of the partition plate by arranging the filter holes in the rubbing and washing processes of the plastic film, so as to prevent the impurities from staying on the partition plate to cause secondary pollution to the plastic film.

The crushing knives on the two mounting shafts are arranged in a structure with the length distributed in a staggered mode, so that crushing force can be improved, the mutual interference of the crushing knives on the two mounting shafts can be prevented, meanwhile, enough space can be provided for processing more plastic films at one time, and the crushing processing speed of the plastic films is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a perspective view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a perspective sectional view of a portion of the present invention;

FIG. 5 is a front view of FIG. 4 of the present invention;

FIG. 6 is a top view of a partial structure of the present invention;

FIG. 7 is an enlarged view of the invention at section X of FIG. 4;

fig. 8 is an enlarged view of the invention at the location of Y in fig. 4.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

As shown in fig. 1 to 8, a method for recycling a degradable plastic film, which comprises a base 1, an L-shaped frame 2 and a crushing device 3, wherein the lower end of the base 1 is connected with the existing ground, the L-shaped frame 2 is symmetrically installed at the front and back of the upper end of the base 1, and the crushing device 3 is installed between the upper ends of the front and back L-shaped frames 2.

The crushing device 3 comprises a crushing box 30, a mounting shaft 31, a crushing knife 32, a first gear 33, a rotating shaft 34, a first motor 35, a Contraband type frame 36, a second gear 37, a fixing rod 38 and a baffle 39, wherein the crushing box 30 is mounted between the upper ends of the front and rear L type frames 2, the mounting shaft 31 is symmetrically arranged in the crushing box 30 from front to rear, the crushing knives 32 are mounted on the outer wall of the mounting shaft 31 from left to right at equal intervals, the crushing knives 32 are axially distributed at equal intervals along the mounting shaft 31, the left and right ends of the mounting shaft 31 are in running fit with the inner wall of the crushing box 30, the right end of the mounting shaft 31 extends to the right side of the crushing box 30, the first gear 33 is mounted at the right end of the mounting shaft 31 at the rear end in the crushing box 30, the rotating shaft 34 is mounted at the right end of the first gear 33, the first motor 35 is mounted at the right end of the rotating shaft 34, the Contraband, contraband the left end of type frame 36 links to each other with the right-hand member face of L type frame 2, the right-hand member that is located the installation axle 31 of crushing case 30 inside front end installs No. two gears 37, intermeshing between No. two gears 37's rear end and a gear 33, No. two gears 37's right-hand member rotates and is connected with dead lever 38, baffle 39 is installed to the right-hand member of dead lever 38, the lower extreme of baffle 39 links to each other with Contraband the upper end of type frame 36, drive pivot 34 through a motor 35 and rotate, pivot 34 drives a gear 33 synchronous revolution, a gear 33 drives a gear 37 synchronous revolution, make two installation axles 31 inboard synchronous revolution, thereby make two crushing sword 32 on the installation axle 31 extrude and cut the plastic film, in order to realize the function of broken plastic film, and then improve follow-up clearance rate to the plastic film.

Hopper 301 down is installed to broken case 30's lower extreme, hopper 301 down comprises trapezoidal hopper and rectangle hopper, through hopper 301 down sets up, the plastic film after the breakage can be convenient for concentrate and drop to prevent that plastic film from waving and being difficult to carry out subsequent processing everywhere in the in-process of whereabouts.

A cleaning box 302 is arranged below the lower hopper 301, the bottom of the cleaning box 302 is connected with the upper end face of the base 1, the cleaning box 302 is positioned between the front and back L-shaped frames 2 which are opposite, a partition plate 303 is arranged inside the cleaning box 302, a kneading mechanism 304 is arranged above the partition plate 303, and broken plastic films can be kneaded through the mutual matching of the cleaning box 302, the partition plate 303 and the kneading mechanism 304, so that impurities on the surfaces of the plastic films are removed.

The right end face of cleaning box 302 seted up the through-hole, install connecting pipe 30c in the through-hole, the left end of connecting pipe 30c is located inside cleaning box 302, and shunt tubes 30d are installed to the left end of connecting pipe 30c, spray tube 30e is installed to the left end equidistance from the past backward of shunt tubes 30d, put through water pipe and connecting pipe 30c through artifical mode, then water to cleaning box 302 inside through shunt tubes 30d and spray tube 30e, can realize the function of scouring with the clear water when rubbing plastic film, can wash away the impurity that the plastic film surface dropped, and then reinforcing plastic film's clearance effect.

The up end of baffle 303 install circular arc piece 30f, circular arc piece 30f is the matrix and arranges, and seted up between the adjacent circular arc piece 30f and filtered hole 30g, mutually support with spiral helicine round roller 30b through circular arc piece 30f, can play the effect of similar washboard, the effect that the messenger rubbed the processing is better, through seting up filtration hole 30g, rubbing and washing the in-process to plastic film, can filter the impurity that the plastic film surface dropped and dirty water to the below of baffle 303, cause secondary pollution to plastic film in order to avoid impurity to stop on baffle 303.

The kneading mechanism 304 comprises a rack 305, a third gear 306, a linkage shaft 307, a second motor 308, an ear seat 309, a roll shaft 30a and a round roller 30b, the inner walls of the front end and the rear end of the cleaning box 302 are symmetrically connected with the rack 305 in a sliding fit mode, the upper end surface of the right end of the rack 305 is meshed with the third gear 306, the linkage shaft 307 is installed between the front end and the rear end of the third gear 306 which are right opposite, the front end and the rear end of the linkage shaft 307 are both in rotating fit with the inner wall of the cleaning box 302, the second motor 308 is installed at the rear end of the linkage shaft 307, the second motor 308 is positioned outside the cleaning box 302, the rear end of the second motor 308 is connected with the L-shaped frame 2, the ear seats 309 are symmetrically installed at the left and right of the lower end of the rack 305, the roll shaft 30a is rotatably connected between the front end and the rear end of the ear seats 309 which are right opposite, the outer wall of the, the round roller 30b is located above the partition plate 303, the second motor 308 drives the linkage shaft 307 to rotate, the linkage shaft 307 drives the third gear 306 to synchronously rotate, the third gear 306 drives the rack 305 to do linear motion, the rack 305 can do reciprocating linear motion through the forward rotation and the reverse rotation of the second motor 308, the rack 305 drives the lug seat 309 and the roller shaft 30a to do synchronous linear reciprocating motion, the roller shaft 30a drives the round roller 30b to do synchronous linear reciprocating motion, and due to the matching between the round roller 30b and the roller shaft 30a, the roller shaft 30a does reciprocating linear motion and the round roller 30b does self-rotation motion, so that the round roller 30b can perform reciprocating kneading function on the plastic film, impurities on the surface of the plastic film can be removed, and the cleaning effect can be achieved.

Broken sword 32 constitute by long sword 321 and short sword 322, and long sword 321 and short sword 322 adjacent distribution, and broken sword 32 of the inside front end of broken case 30 and the broken sword 32 of the inside rear end of broken case 30 are the crisscross distribution of length, through installing two structures that broken sword 32 setting is the crisscross distribution of length on the axle 31, can prevent two broken sword 32 mutual interferences on the axle 31 of installing when improving broken dynamics, also can have sufficient space to once only handle more plastic film simultaneously, improve the broken processing speed to plastic film.

s2, feeding and crushing: the plastic film which needs to be recycled is put into the crushing box 30 manually, and then the mounting shaft 31 drives the crushing knife 32 to cut and crush the plastic film by utilizing the mutual matching among the first motor 35, the first gear 33 and the second gear 37;

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a degradable plastic film retrieves and recycles method, this kind of degradable plastic film retrieves and recycles method adopts following equipment to carry out recovery processing, and this equipment includes base (1), L type frame (2) and breaker (3), its characterized in that: the lower end of the base (1) is connected with the existing ground, the upper end of the base (1) is symmetrically provided with an L-shaped frame (2) in the front and back direction, and a crushing device (3) is arranged between the upper ends of the front and back opposite L-shaped frames (2);

the crushing device (3) comprises a crushing box (30), an installation shaft (31), a crushing cutter (32), a first gear (33), a rotating shaft (34), a first motor (35), an Contraband-shaped frame (36), a second gear (37), a fixing rod (38) and a baffle (39), wherein the crushing box (30) is installed between the upper ends of the front and rear L-shaped frames (2), the installation shaft (31) is symmetrically arranged in the crushing box (30) front and rear, the crushing cutter (32) is installed on the outer wall of the installation shaft (31) at equal intervals from left to right, the crushing cutters (32) are axially distributed at equal intervals along the installation shaft (31), the left end and the right end of the installation shaft (31) are in running fit with the inner wall of the crushing box (30), the right end of the installation shaft (31) extends to the right side of the crushing box (30), the first gear (33) is installed at the right end of the installation shaft (31) at the rear end, a rotating shaft (34) is installed at the right end of the first gear (33), a first motor (35) is installed at the right end of the rotating shaft (34), an Contraband-shaped frame (36) with an opening facing left and in a horizontal state is installed at the lower end of the first motor (35), the left end of the Contraband-shaped frame (36) is connected with the right end face of the L-shaped frame (2), a second gear (37) is installed at the right end of an installation shaft (31) located at the front end inside the crushing box (30), the rear end of the second gear (37) is meshed with the first gear (33), a fixing rod (38) is rotatably connected to the right end of the second gear (37), a baffle (39) is installed at the right end of the fixing rod (38), and the lower end of the baffle (39) is connected with the upper end of the Contraband-;

s2, feeding and crushing: the plastic film which needs to be recycled is put into the crushing box (30) in a manual mode, and then the mounting shaft (31) drives the crushing knife (32) to cut and crush the plastic film by utilizing the mutual matching among the first motor (35), the first gear (33) and the second gear (37);

2. The method for recycling and reusing a degradable plastic film according to claim 1, wherein: the lower end of the crushing box (30) is provided with a discharging hopper (301), and the discharging hopper (301) consists of a trapezoidal hopper and a rectangular hopper.

3. The method for recycling and reusing a degradable plastic film according to claim 2, wherein: the lower hopper (301) is provided with a cleaning box (302) below, the bottom of the cleaning box (302) is connected with the upper end face of the base (1), the cleaning box (302) is located between the front and rear opposite L-shaped frames (2), a partition plate (303) is installed inside the cleaning box (302), and a kneading mechanism (304) is arranged above the partition plate (303).

4. The method for recycling and reusing a degradable plastic film according to claim 3, wherein: the kneading mechanism (304) comprises a rack (305), a third gear (306), a linkage shaft (307), a second motor (308), ear seats (309), a roller shaft (30a) and a round roller (30b), the inner walls of the front end and the rear end of the cleaning box (302) are symmetrically connected with the rack (305) in a sliding fit mode, the third gear (306) is meshed with the upper end face of the right end of the rack (305), the linkage shaft (307) is installed between the front gear (306) and the rear gear which are opposite, the front end and the rear end of the linkage shaft (307) are both in running fit with the inner wall of the cleaning box (302), the second motor (308) is installed at the rear end of the linkage shaft (307), the second motor (308) is positioned outside the cleaning box (302), the rear end of the second motor (308) is connected with the L-shaped frame (2), the ear seats (309) are symmetrically installed at the left and right of the lower end of the rack (305), the roller shaft (30a) is rotatably connected between the front ear seats (309), the outer wall of roller (30a) is equipped with circle roller (30b) through the normal running fit mode cover, and the surface of circle roller (30b) is the heliciform, and circle roller (30b) are located the top of baffle (303).

5. The method for recycling and reusing a degradable plastic film according to claim 3, wherein: the right-hand member face of clearance case (302) seted up the through-hole, install connecting pipe (30c) in the through-hole, the left end of connecting pipe (30c) is located inside clearance case (302), and shunt tubes (30d) are installed to the left end of connecting pipe (30c), spray tube (30e) are installed to the left end of shunt tubes (30d) equidistance from the past backward.

6. The method for recycling and reusing a degradable plastic film according to claim 3, wherein: the upper end face of the partition plate (303) is provided with arc blocks (30f), the arc blocks (30f) are arranged in a matrix manner, and filter holes (30g) are formed between every two adjacent arc blocks (30 f).

7. The method for recycling and reusing a degradable plastic film according to claim 1, wherein: the crushing cutter (32) consists of a long cutter (321) and a short cutter (322), the long cutter (321) and the short cutter (322) are adjacently distributed, and the crushing cutter (32) at the front end inside the crushing box (30) and the crushing cutter (32) at the rear end inside the crushing box (30) are distributed in a staggered manner.