Waste agricultural plastic film recycling and granulating device

Abstract

The utility model relates to the technical field of waste plastic film recycling, in particular to a waste agricultural plastic film recycling and granulating device which comprises an extrusion mechanism, a cutting assembly arranged at the discharging end of the extrusion mechanism, a cooling pond arranged on one side of the extrusion mechanism and correspondingly arranged below the discharging end of the extrusion mechanism, and a spraying and cooling mechanism arranged on the cutting assembly. The cutting assembly comprises a driving box arranged on the upper side of the outer wall of the extrusion mechanism, a driving mechanism arranged in the driving box, a first rotating shaft rotationally connected with one side of the interior of the driving box and in transmission fit with the driving mechanism, a mounting sleeve arranged on the outer wall of the first rotating shaft, and two cutting knives arranged on the outer wall of the mounting sleeve and distributed at intervals. The two cutting knives are in sliding fit with the discharging end of the extrusion mechanism. According to the device, when the whole waste agricultural plastic film recycling and granulating device runs, spraying and cooling treatment can be conducted on a cutting knife, so that the adhesion problem in the cutting process is relieved, and then the quality of waste agricultural plastic film recycling and granulating is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste plastic film recycling technical field, concretely is a kind of waste agricultural plastic film recycling granulating device. BACKGROUND

[0002] Plastic film is a kind of material used for packaging and used as mulch layer.In the process of recycling waste agricultural plastic film, the plastic film after cleaning and drying needs to be melted and regranulated.

[0003] The existing plastic film recycling granulating device is generally equipped with a cutting assembly at the discharge end of the extrusion mechanism, which continuously cuts the extruded plastic blocks into strips to achieve the purpose of granulation.However, these plastic blocks extruded from the extrusion mechanism maintain a certain temperature, and as the cutting knife continuously contacts and cuts the high-temperature plastic blocks, the temperature of the cutting knife gradually rises, and when the temperature of the cutting knife is high, the material is easily partially melted or softened when it contacts the cutting knife, increasing the risk of adhesion and affecting the quality of granulation. SUMMARY

[0004] The utility model aims at providing a waste agricultural plastic film recycling granulating device to solve the problem of high temperature of plastic blocks, continuous cutting by cutting assembly, sustained contact of cutting knife, easy melting or softening of material, increased risk of adhesion and affected quality of granulation in the granulation process of existing device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waste agricultural plastic film recycling granulating device, comprising an extrusion mechanism, a cutting assembly provided at the discharge end of the extrusion mechanism, a cooling pool provided at one side of the extrusion mechanism and corresponding below the discharge end of the extrusion mechanism, and a spraying cooling mechanism provided on the cutting assembly; the cutting assembly comprises a drive box provided on the outer wall of the extrusion mechanism, a drive mechanism provided in the drive box, a first rotating shaft rotatably connected to one side of the drive box and transmissionally matched with the drive mechanism, a mounting sleeve provided on the outer wall of the first rotating shaft and located at one side of the drive box, two cutting knives provided on the outer wall of the mounting sleeve and spaced apart, and the two cutting knives are slidingly matched with the discharge end of the extrusion mechanism; the spraying cooling mechanism comprises a mounting bracket provided on the upper side of the drive box, a U-shaped pipe provided on the inner wall of the mounting bracket, a plurality of spray heads provided on the inner two sides of the U-shaped pipe and spaced apart, a conveying pipe in communication with the outer wall of the upper part of the U-shaped pipe and extending to above the mounting bracket at one end, and the two cutting knives can be rotated into the U-shaped pipe by the drive mechanism, and the plurality of spray heads act on both sides of the cutting knife.

[0006] Further, one end of the first rotating shaft is provided with a first bevel gear; the inner top end of the mounting frame is rotationally connected with a second rotating shaft, a second bevel gear is arranged on the second rotating shaft and is in meshing connection with the first bevel gear, and a plurality of dispersion blades are arranged on the outer wall bottom of the second rotating shaft and are located in the cooling pool; the plurality of dispersion blades are annularly and spacedly arranged on the outer wall of the second rotating shaft, and the second rotating shaft is rotationally connected with the lower side of the mounting frame.

[0007] Further, the outer wall of the first rotating shaft is provided with a second gear; the driving mechanism comprises a first motor arranged on one side of the driving box, a third rotating shaft connected with the output end of the first motor and located in the driving box, and a first gear arranged on one end of the third rotating shaft and in meshing connection with the second gear.

[0008] Further, the extrusion mechanism comprises an L-shaped base arranged on one side of the cooling pool, two support blocks arranged on the inner bottom side of the L-shaped base and spacedly arranged, an extrusion cylinder connected with one end of the two support blocks, a spiral conveying shaft rotationally connected in the extrusion cylinder, a plurality of spacedly arranged extrusion holes arranged on the discharge end of the extrusion cylinder, and a second motor arranged on one side of the L-shaped base, wherein the output end of the second motor is connected with one end of the spiral conveying shaft, and the driving box is connected with the upper outer wall of the extrusion cylinder.

[0009] Further, the upper outer wall of the extrusion cylinder is communicated with a feeding hopper.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] In the recycling and granulating process of the waste agricultural plastic film, the spraying cooling mechanism acting on the cutting assembly is cooperated with the extrusion mechanism and the cutting assembly to realize the spraying cooling of the cutting knife, the cutting knife after the cooling treatment can reduce the adhesion phenomenon of the strip-shaped plastic block caused by high temperature during cutting in the subsequent cutting operation; furthermore, the device can perform the spraying cooling treatment on the cutting knife during the operation of the whole waste agricultural plastic film recycling and granulating device, thereby reducing the adhesion problem in the cutting process and improving the quality of the waste agricultural plastic film recycling and granulation. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a sectional view of the waste agricultural plastic film recycling and granulating device of the utility model;

[0013] Figure 2 is a sectional view of the waste agricultural plastic film recycling and granulating device of the utility model; Figure 1 is an enlarged schematic view of position A in the waste agricultural plastic film recycling and granulating device of the utility model;

[0014] Figure 3 is a structural schematic view of the U-shaped pipe of the utility model;

[0015] Figure 4The utility model discloses a structure schematic drawing at first rotation axis.

[0016] In the drawing: 1, extrusion mechanism, 2, cooling pool, 3, drive box, 4, first rotation axis, 5, mounting sleeve, 6, cutting knife, 7, mounting frame, 8, U-shaped pipe, 9, spray head, 10, conveying pipe, 11, hopper, 12, first bevel gear, 13, second rotation axis, 14, second bevel gear, 15, dispersion blade, 16, first motor, 17, third rotation axis, 18, first gear, 19, second gear, 20, L-shaped base, 21, supporting block, 22, extrusion cylinder, 23, second motor, 24, spiral conveying shaft, 25, extrusion hole. DETAILED DESCRIPTION

[0017] Please refer to Figures 1-4The utility model provides a kind of waste agricultural plastic film recycling granulating device, including extrusion mechanism 1, cutting assembly being arranged in the discharge end of extrusion mechanism 1, cooling pool 2 being arranged in the side of extrusion mechanism 1 and corresponding below the discharge end of extrusion mechanism 1, still including spraying cooling mechanism being arranged on cutting assembly;Cutting assembly includes drive box 3 being arranged on the outer wall upper side of extrusion mechanism 1, drive mechanism being arranged in drive box 3, first rotating shaft 4 being rotatably connected with the inside one side of drive box 3 and being transmission cooperation with drive mechanism, mounting sleeve 5 being connected on the outer wall of first rotating shaft 4 and being located the side of drive box 3, two cutting knives 6 being connected on the outer wall of mounting sleeve 5 and being spacedly arranged, and two cutting knives 6 are all slidingly matched with the discharge end of extrusion mechanism 1;Spraying cooling mechanism includes mounting bracket 7 being connected on the upper side of drive box 3, U-shaped pipe 8 being connected on the inner wall of mounting bracket 7, multiple spray heads 9 being respectively communicated with the inner two sides of U-shaped pipe 8 and being spacedly arranged, and conveying pipe 10 being communicated with the upper outer wall of U-shaped pipe 8 and extending to the above of mounting bracket 7 at one end, two cutting knives 6 are all rotatable into U-shaped pipe 8 by drive mechanism, and multiple spray heads 9 are respectively acting on the two sides of cutting knife 6;The one end of conveying pipe 10 is communicated with external cold water source, and water pump is installed on the pipe section of conveying pipe 10 close to cold water source;In the process of waste agricultural plastic film recycling granulation, first, start extrusion mechanism 1, drive mechanism, water pump, and waste agricultural plastic film in molten state after heating and melting is extruded by extrusion mechanism 1, and forms strip-shaped plastic block, at this time, drive mechanism drives first rotating shaft 4 to rotate, and first rotating shaft 4 further drives two cutting knives 6 connected on mounting sleeve 5 to rotate synchronously, and continuously cuts and granulates extruded strip-shaped plastic block, and plastic particles after cutting fall into cooling pool 2 immediately, and are cooled, in this process, when one cutting knife 6 performs cutting task, the other cutting knife 6 rotates into U-shaped pipe 8, at this time, water pump conveys external cold water source into U-shaped pipe 8 through conveying pipe 10, and sprays to the two sides of cutting knife 6 through multiple spray heads 9, and sprays and cools cutting knife 6, and cutting knife 6 after cooling can reduce adhesion during cutting when cutting extruded strip-shaped plastic block again;Further, the device can spray and cool cutting knife 6 when the whole waste agricultural plastic film recycling granulating device operates, so as to reduce adhesion problem during cutting, and further improve the quality of waste agricultural plastic film recycling granulation.

[0018] One end of the first rotating shaft 4 is connected with the first bevel gear 12; the inner top end of the mounting frame 7 is rotationally connected with the second rotating shaft 13, the second bevel gear 14 is connected with the second rotating shaft 13 and is in meshing connection with the first bevel gear 12, a plurality of dispersion blades 15 are connected with the outer wall bottom of the second rotating shaft 13 and are located in the cooling pool 2, the plurality of dispersion blades 15 are annularly and spacedly arranged on the outer wall of the second rotating shaft 13, and the second rotating shaft 13 is rotationally connected with the lower side of the mounting frame 7; during the granulation process, when the first rotating shaft 4 starts to rotate, the first bevel gear 12 connected therewith rotates synchronously, which drives the second bevel gear 14 in meshing connection to rotate, the rotation of the second bevel gear 14 drives the rotation of the second rotating shaft 13, and the plurality of dispersion blades 15 connected with the second rotating shaft 13 rotate, the rotation of the dispersion blades 15 disperses and stirs the plastic particles just falling into the cooling pool 2, and further prevents the phenomenon of adhesion of the plastic particles during the cooling process.

[0019] The outer wall of the first rotating shaft 4 is provided with the second gear 19; the driving mechanism comprises the first motor 16 arranged on one side of the driving box 3, the third rotating shaft 17 connected with the output end of the first motor 16 and located in the driving box 3, and the first gear 18 arranged on one end of the third rotating shaft 17 and in meshing connection with the second gear 19; when the driving mechanism operates, the first motor 16 is started, the first motor 16 drives the third rotating shaft 17 to rotate, the third rotating shaft 17 drives the first gear 18 to rotate, which drives the second gear 19 in meshing connection to rotate, and the second gear 19 drives the first rotating shaft 4 to rotate, thereby facilitating the rotation of the first rotating shaft 4.

[0020] The extrusion mechanism 1 comprises the L-shaped base 20 arranged on one side of the cooling pool 2, the two support blocks 21 arranged on the inner bottom side of the L-shaped base 20 and spacedly arranged, the extrusion cylinder 22 connected with one end of the two support blocks 21, the spiral conveying shaft 24 rotationally connected in the extrusion cylinder 22, the plurality of spacedly arranged extrusion holes 25 arranged at the discharging end of the extrusion cylinder 22, the second motor 23 arranged on one side of the L-shaped base 20, the output end of the second motor 23 being connected with one end of the spiral conveying shaft 24, and the driving box 3 being connected with the upper outer wall of the extrusion cylinder 22; when the extrusion mechanism 1 operates, the second motor 23 is instructed to start, the second motor 23 drives the spiral conveying shaft 24 to rotate, the material of the waste agricultural plastic film in a molten state in the extrusion cylinder 22 is conveyed to the discharging end, and is extruded through the plurality of extrusion holes 25; thereby facilitating the extrusion of the material of the waste agricultural plastic film in a molten state and forming strip-shaped plastic blocks.

[0021] The upper outer wall of the extrusion cylinder 22 is communicated with the feeding hopper 11; the material of the waste agricultural plastic film in a molten state is added into the extrusion cylinder 22 through the feeding hopper 11.

[0022] One side of the L-shaped base 20 is provided with a controller electrically connected with the first motor 16, the second motor 23 and the water pump.

[0023] Working principle: in the process of waste agricultural plastic film recycling granulation, the waste agricultural plastic film melt state material is added into the extrusion cylinder 22 through the discharge hopper 11, first through the controller instruction second motor 23, first motor 16, water pump starts, the second motor 23 drives the spiral conveying shaft 24 to rotate, the waste agricultural plastic film melt state material in the extrusion cylinder 22 is transported to the discharge end, and is extruded through a plurality of extrusion holes 25, forming strip plastic block, at this time, the first motor 16 drives the third rotating shaft 17 to rotate, the third rotating shaft 17 drives the first gear 18 to rotate, which drives the second gear 19 engaged with it to rotate, the first rotating shaft 4 is driven to rotate by the second gear 19, and the first rotating shaft 4 further drives the two cutting knives 6 connected on the mounting sleeve 5 to rotate synchronously, which continuously cuts and granulates the extruded strip plastic block, and the cut plastic particles fall into the cooling pool 2 immediately for cooling treatment, in this process, when one cutting knife 6 performs cutting task, the other cutting knife 6 rotates into the U-shaped tube 8, at this time, the water pump sends the external cold water source into the U-shaped tube 8 through the conveying pipe 10, and sprays the two sides of the cutting knife 6 through a plurality of nozzles 9, which sprays and cools the cutting knife 6, and the cutting knife 6 after cooling can reduce the adhesion during cutting when cutting the extruded strip plastic block again, when the first rotating shaft 4 starts to rotate, the first bevel gear 12 connected with it rotates synchronously, which drives the second bevel gear 14 engaged with it to rotate, and the rotation of the second bevel gear 14 drives the rotation of the second rotating shaft 13, and a plurality of dispersion blades 15 connected on the second rotating shaft 13 rotate, the rotation of the dispersion blades 15 stirs and disperses the plastic particles just falling into the cooling pool 2; further, the device can spray and cool the cutting knife 6 during the operation of the whole waste agricultural plastic film recycling granulation device, thereby reducing the adhesion problem during cutting, and improving the quality of waste agricultural plastic film recycling granulation.

[0024] The above is only a preferred embodiment of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A waste agricultural plastic film recycling and granulating device, comprising an extruding mechanism (1), a cutting assembly arranged at the discharge end of the extruding mechanism (1), and a cooling pool (2) arranged at one side of the extruding mechanism (1) and corresponding to the position below the discharge end of the extruding mechanism (1), characterized in that, Also include set in the cutting assembly on the spray cooling mechanism; The cutting assembly includes the drive box (3) provided on the outer wall of the extrusion mechanism (1) on the side, the drive mechanism provided in the drive box (3), the first rotating shaft (4) rotatably connected with the inside of the drive box (3) and transmission matching with the drive mechanism, the mounting sleeve (5) provided on the outer wall of the first rotating shaft (4) and located on one side of the drive box (3), two cutting knives (6) provided on the outer wall of the mounting sleeve (5) and spaced apart, two cutting knives (6) are slidably connected with the discharge end of the extrusion mechanism (1); The spray cooling mechanism includes a mounting bracket (7) provided on the upper side of the drive box (3), a U-shaped pipe (8) provided on the inner wall of the mounting bracket (7), a plurality of nozzles (9) respectively provided on the inner two sides of the U-shaped pipe (8) and spaced apart, a conveying pipe (10) communicated with the upper outer wall of the U-shaped pipe (8) and extending to above the mounting bracket (7), two cutting knives (6) driven by the drive mechanism can be rotated into the U-shaped pipe (8), and a plurality of nozzles (9) act on both sides of the cutting knife (6) respectively.

2. The device for recycling and granulating waste agricultural plastic film according to claim 1, characterized in that, One end of the first rotating shaft (4) is provided with a first bevel gear (12); The inside top of the mounting bracket (7) is rotatably connected with a second rotating shaft (13), a second bevel gear (14) is arranged on the second rotating shaft (13) and is in meshing connection with the first bevel gear (12), a plurality of dispersion blades (15) are arranged on the outer wall of the second rotating shaft (13) and located in the cooling pool (2), a plurality of dispersion blades (15) are annularly and spaced apart on the outer wall of the second rotating shaft (13), and the second rotating shaft (13) is rotatably connected with the lower side of the mounting bracket (7).

3. The device for recycling and granulating waste agricultural plastic film according to claim 1, characterized in that, The outer wall of the first rotating shaft (4) is provided with a second gear (19); The drive mechanism includes a first motor (16) provided on one side of the drive box (3), a third rotating shaft (17) connected with the output end of the first motor (16) and located in the drive box (3), and a first gear (18) arranged on one end of the third rotating shaft (17) and in meshing connection with the second gear (19).

4. The device for recycling and granulating waste agricultural plastic film according to claim 1, characterized in that, The extrusion mechanism (1) includes an L-shaped base (20) provided on one side of the cooling pool (2), two support blocks (21) spaced apart and arranged on the inner bottom side of the L-shaped base (20), an extrusion cylinder (22) connected with one end of the two support blocks (21), a spiral conveying shaft (24) rotatably connected in the extrusion cylinder (22), a plurality of spaced-apart extrusion holes (25) arranged on the discharge end of the extrusion cylinder (22), and a second motor (23) arranged on one side of the L-shaped base (20). The output end of the second motor (23) is connected with one end of the spiral conveying shaft (24), and the drive box (3) is connected with the upper outer wall of the extrusion cylinder (22).

5. The device for recycling and granulating waste agricultural plastic film according to claim 4, characterized in that, The upper outer wall of the extrusion cylinder (22) is communicated with a hopper (11).

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