A waste plastic recycling and granulating device

Abstract

The application discloses a kind of waste plastics recycling granulating equipment, including recycling crushing device, storage mechanism and extruding granulating device, the recycling crushing device is connected with storage mechanism by first suction mechanism, and the storage mechanism is connected with extruding granulating device by second suction mechanism;The recycling crushing device includes first drive component and screening component, the screening component top end is equipped with lower crushing mechanism, the lower crushing mechanism top is equipped with upper crushing mechanism, the upper crushing mechanism top is equipped with feed bin, the both sides of lower crushing mechanism are equipped with the jacking piece for jacking upper crushing mechanism, and the lower crushing mechanism and upper crushing mechanism are all driven by first drive component;The frame lower part is equipped with extruding granulating mechanism, and the frame top is equipped with the material conveying mechanism communicated with extruding granulating mechanism.The application can realize good crushing of plastic and subsequent good extruding granulation.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of waste plastic recycling, and particularly relates to a waste plastic recycling and granulating device. BACKGROUND

[0002] Waste plastics are formally called post-consumer plastic waste, which refers to discarded plastic products after consumption or use. Plastic waste, also known as pre-consumer plastic waste, is generated in the links of synthesis, molding processing and circulation, and this also belongs to the range of waste plastics.

[0003] The existing patent CN118721531A discloses a granulating device and method for recycling waste plastics, which relates to the technical field of plastic production equipment, and comprises a base, an inlet is fixedly installed on the inner wall of the base, water is arranged in the base, a rotary motor one is arranged on the rear side of the base, a rotary motor two is arranged on the right side of the inlet, a rotary motor three is arranged on the rear side of the inlet, a crushing device is arranged in the inlet, a flotation device is arranged in the base, and a granulating device is arranged below the base. The crushing device comprises rotating rollers one and two, rotating shafts one, two and three, a broken piece knife and a pushing plate. The crushing device can subdivide larger waste plastics or particles into smaller fragments, and the surface area of the small fragments is increased, which is beneficial to subsequent processing and treatment steps.

[0004] Although the existing technology can realize the crushing and granulation of waste plastics, the shapes of waste plastics are various during crushing, the feeding effect of the existing crushing mechanism is poor, and the crushing effect is poor. In addition, the granulation effect of a single extrusion plate on plastics is poor. Therefore, the application provides a waste plastic recycling and granulating device. SUMMARY

[0005] The application aims to provide a waste plastic recycling and granulating device to solve the problems of poor feeding effect of the crushing mechanism, poor crushing effect and poor granulation effect of a single extrusion plate on plastics in the prior art.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a waste plastic recycling and granulating device, comprising a recycling and crushing device, a storage mechanism and an extrusion and granulating device, wherein the recycling and crushing device is connected with the storage mechanism through a first suction mechanism, and the storage mechanism is connected with the extrusion and granulating device through a second suction mechanism.

[0007] The recycling crushing device comprises a first driving assembly and a screening assembly, a lower crushing mechanism is installed at the top of the screening assembly, an upper crushing mechanism is installed at the top of the lower crushing mechanism, a feeding bin is installed at the top of the upper crushing mechanism, jacking pieces for jacking the upper crushing mechanism are installed at the two sides of the lower crushing mechanism, and the lower crushing mechanism and the upper crushing mechanism are driven by the first driving assembly.

[0008] An extrusion granulation mechanism is installed at the lower part of the frame, and a feeding mechanism in communication with the extrusion granulation mechanism is installed at the top of the frame.

[0009] Preferably, the first and second suction mechanisms comprise a driving motor and a volute, the driving motor drives a rotating disc to rotate, a plurality of blades are installed at equal intervals on the rotating disc, the blades are in an arc-shaped structure, a valve plate is rotatably installed at one end of a discharge port of the volute, and an adjusting frame is installed at one end of the valve plate.

[0010] Preferably, the lower crushing mechanism comprises a lower crushing bin, a lower fixed knife is installed inside the lower crushing bin, the lower crushing bin is installed with a lower crushing knife assembly matched with the lower fixed knife, and a driving wheel and a counterweight wheel are respectively installed at the two ends of the lower crushing knife assembly.

[0011] Preferably, the lower crushing knife assembly comprises a lower rotating shaft and a lower knife seat, a strip-shaped knife and an arc-shaped knife are detachably installed on the lower knife seat, and the strip-shaped knife and the arc-shaped knife are arranged at intervals.

[0012] Preferably, the upper crushing mechanism comprises an upper crushing bin, an upper fixed knife assembly is detachably installed in the upper crushing bin, an upper crushing knife assembly matched with the upper fixed knife assembly is installed in the upper crushing bin, and the upper crushing knife assembly is connected with the upper crushing bin through a bearing seat.

[0013] Preferably, the upper fixed knife assembly comprises two reinforcing plates arranged in parallel, a plurality of fixed knife blades are installed at equal intervals between the two reinforcing plates, and reinforcing rods are installed between the plurality of fixed knife blades.

[0014] The upper crushing knife assembly comprises an upper rotating shaft and a combined knife seat, the combined knife seat is installed with the upper rotating shaft, the combined knife seat is in a quadrangular prism structure, a plurality of upper knives are installed at equal intervals on the four side surfaces of the combined knife seat, the upper knives on adjacent side surfaces are arranged at intervals, and the combined knife seat is formed by detachably combining two panels.

[0015] Preferably, the feeding mechanism comprises a feeding bin, a conveying rotating shaft is rotatably installed in the feeding bin, a plurality of conveying blades are detachably installed on the conveying rotating shaft, the feeding mechanism further comprises a second driving assembly for driving the conveying rotating shaft to rotate, and a plurality of cover plates are detachably installed at the top of the feeding bin.

[0016] Preferably, the extrusion granulating mechanism comprises a third driving assembly, an extrusion barrel and a head sleeve, the head sleeve is detachably mounted at one end of the extrusion barrel, an extrusion rotating shaft is arranged in the extrusion barrel and the head sleeve, the extrusion rotating shaft is driven by the third driving assembly, the extrusion rotating shaft is detachably mounted with a spiral assembly and an extrusion head assembly, an inner lining matched with the spiral assembly is mounted on the inner wall of the extrusion barrel, and a protective net is detachably arranged at the end of the head sleeve away from the extrusion barrel.

[0017] Preferably, the extrusion rotating shaft is provided with a pin slot, and the spiral assembly is composed of a plurality of unit spiral blades connected with the extrusion rotating shaft through a pin.

[0018] The extrusion head assembly comprises a first extrusion plate, a second extrusion plate, a third extrusion plate and a fourth extrusion plate, cutting knives are mounted on both sides of the first extrusion plate, the second extrusion plate, the third extrusion plate and the fourth extrusion plate, gaps are arranged between the blades of the four cutting knives in the inside and the corresponding extrusion plates, the blade of one cutting knife at the outer end is attached to the surface of the fourth extrusion plate, a plurality of first arc-shaped holes are equally arranged on the first extrusion plate, a plurality of second arc-shaped holes are equally arranged on the second extrusion plate, a plurality of third arc-shaped holes are equally arranged on the third extrusion plate, and a plurality of circular through holes are equally arranged on the fourth extrusion plate, the second arc-shaped holes and the third arc-shaped holes are of the same shape, and the opening directions of the second arc-shaped holes and the first arc-shaped holes are opposite.

[0019] Preferably, the head sleeve comprises a lower sleeve and an upper sleeve, the upper sleeve is rotationally connected with the lower sleeve through a pin shaft, the upper sleeve is driven by a pneumatic cylinder, and the lower sleeve is rotationally mounted with a chuck for locking the upper sleeve.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] 1. The two sides of the lower crushing mechanism are provided with jacking pieces for jacking the upper crushing mechanism, the jacking pieces can jack the upper crushing mechanism to clean or overhaul the lower crushing mechanism, and the lower crushing mechanism and the upper crushing mechanism are driven by the first driving assembly; the first driving assembly can simultaneously drive the lower crushing mechanism and the upper crushing mechanism, without the need for too many driving mechanisms, the upper crushing mechanism can roughly crush the plastic, then the lower crushing mechanism can further crush the plastic, and the plastic particles that meet the crushing requirements can be screened by the screening assembly, and the plastic that does not pass the screening assembly can be further crushed by the lower crushing mechanism until the plastic passes the screening assembly.

[0022] 2、The lower crushing knife assembly is provided with a driving wheel and a counterweight wheel at two ends respectively, the counterweight wheel makes the stability of the lower crushing knife assembly better when rotating, so that the lower crushing knife assembly cooperates well with the lower fixed knife, and the crushing effect of the plastic is ensured; the lower crushing knife assembly comprises a lower rotating shaft and a lower knife seat, a strip-shaped knife and an arc-shaped knife are detachably installed on the lower knife seat, when part of the knives are damaged, the corresponding knives can be directly replaced, the strip-shaped knives and the arc-shaped knives are arranged at intervals, and through the cooperation of the strip-shaped knives, the arc-shaped knives and the lower fixed knife, the plastic can be well crushed.

[0023] 3、The upper crushing knife assembly comprises an upper rotating shaft and a combined knife seat, the upper rotating shaft is installed on the combined knife seat, the combined knife seat has a quadrangular prism structure, a plurality of upper knives are equally spaced on the four sides of the combined knife seat, and the upper knives on adjacent sides are arranged at intervals, the upper knives on adjacent sides are arranged at intervals to increase the distance between the upper knives on a single side, so that the plastic can be accommodated, and after the interval, the upper knives on the adjacent sides can cut the accommodated plastic, so that the crushing of the plastic is maximized, and the combined knife seat is formed by detachably combining two shape plates, when the corresponding upper knives are replaced, only the two shape plates need to be disassembled, and the corresponding upper knives can be disassembled.

[0024] 4、The first extrusion plate, the second extrusion plate, the third extrusion plate and the fourth extrusion plate are provided with cutters on two sides, gaps are formed between the blades of the four cutters inside and the corresponding extrusion plates, the blade of one cutter at the outer end is attached to the surface of the fourth extrusion plate, the first extrusion plate is provided with a plurality of first arc-shaped holes at equal intervals, the second extrusion plate is provided with a plurality of second arc-shaped holes at equal intervals, the third extrusion plate is provided with a plurality of third arc-shaped holes at equal intervals, and the fourth extrusion plate is uniformly provided with a plurality of circular through holes, the second arc-shaped hole and the third arc-shaped hole have the same shape, the opening direction of the second arc-shaped hole and the first arc-shaped hole is opposite, and the effect is better, the material can be extruded in sequence through the first extrusion plate, the second extrusion plate, the third extrusion plate and the fourth extrusion plate, and the material can be well sheared through cooperation with the plurality of cutters; compared with the traditional single extrusion plate and one cutter, the extrusion and granulation effect of the present application is better.

[0025] 5、The upper sleeve is rotatably connected with the lower sleeve through a pin shaft, the upper sleeve is driven by a gas cylinder, and through the overturning of the upper sleeve, the corresponding extrusion plate can be cleaned, and the extrusion plate and the cutter can be replaced, the lower sleeve is rotatably provided with a chuck for locking the upper sleeve, the chuck can ensure the stability of the connection between the lower sleeve and the upper sleeve, because the present application is different from the traditional single extrusion plate, it is very important to quickly clean and replace the plurality of extrusion plates, and the overturned upper sleeve of the present application is mainly matched with the plurality of extrusion plates and the cutter of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0026] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0027] Figure 1 is a structural schematic diagram of the present application;

[0028] Figure 2 is a structural schematic diagram of the present application;

[0029] Figure 3 is a structural schematic diagram of the present application;

[0030] Figure 4 is a structural schematic diagram of the present application;

[0031] Figure 5 is a structural schematic diagram of the present application;

[0032] Figure 6 is a structural schematic diagram of the present application;

[0033] Figure 7 is a structural schematic diagram of the present application;

[0034] Figure 8 is a structural schematic diagram of the present application;

[0035] Figure 9 is a structural schematic diagram of the present application;

[0036] Figure 10 is a structural schematic diagram of the present application;

[0037] Figure 11 is a structural schematic diagram of the present application;

[0038] Figure 12 is a structural schematic diagram of the present application;

[0039] Figure 13 is a structural schematic diagram of the present application;

[0040] Figure 14 is a structural schematic diagram of the present application;

[0041] Figure 15 is a structural schematic diagram of the present application.

[0042] In the figure: 1, recycling and crushing device; 2, first suction material mechanism; 3, storage mechanism; 4, second suction material mechanism; 5, extrusion and granulation device; 11, first driving assembly; 12, jacking piece; 13, screening assembly; 14, lower crushing mechanism; 15, upper crushing mechanism; 16, feeding bin; 141, driving wheel; 142, lower crushing bin; 143, lower crushing knife assembly; 144, lower fixed knife; 145, counterweight wheel; 1431, lower rotating shaft; 1432, lower knife seat; 1433, strip-shaped knife; 1434, arc-shaped knife; 151, upper crushing bin; 152, upper crushing knife assembly; 153, upper fixed knife assembly; 154, bearing seat; 1521, combined knife seat; 1522, upper knife; 1523, upper rotating shaft; 1531, fixed knife piece; 1532, reinforcing rod; 1533, reinforcing plate; 21, driving motor; 22, rotating disc; 23, blade; 24, volute; 25, adjusting frame; 26, valve plate; 51, frame; 52, extrusion and granulation mechanism; 53, material conveying mechanism; 531, second driving assembly; 532, conveying bin; 533, conveying blade; 534, conveying rotating shaft; 521, third driving assembly; 522, extrusion cylinder; 523, machine head sleeve; 524, protective net; 525, air cylinder; 526, screw assembly; 527, inner liner; 528, extrusion head assembly; 529, extrusion rotating shaft; 5231, lower sleeve; 5232, upper sleeve; 5233, pin shaft; 5234, chuck; 5281, first extrusion plate; 5282, second extrusion plate; 5283, third extrusion plate; 5284, fourth extrusion plate; 5261, bolt; 5291, pin slot. DETAILED DESCRIPTION

[0043] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application.

[0044] Please refer to Figure 1The embodiment of the application discloses a waste plastic recycling and granulating device, which comprises a recycling and crushing device 1, a storage mechanism 3 and an extruding and granulating device 5, the recycling and crushing device 1 is connected with the storage mechanism 3 through a first suction mechanism 2, the storage mechanism 3 is connected with the extruding and granulating device 5 through a second suction mechanism 4, waste plastics can be recycled and crushed through the recycling and crushing device 1, and the crushed waste plastics can be used for subsequent further granulation, the crushed waste plastics can be transported to the storage mechanism 3 for temporary storage through the first suction mechanism 2, and the waste plastics in the storage mechanism 3 can be transported to the extruding and granulating device 5 for extruding and granulation through the second suction mechanism 4.

[0045] As Figure 1 and 9 The first suction mechanism 2 and the second suction mechanism 4 comprise a driving motor 21 and a volute 24, the driving motor 21 drives a rotating disc 22 to rotate, a plurality of blades 23 are equidistantly arranged on the rotating disc 22, the blades 23 are in arc-shaped structures, the plurality of arc-shaped blades 23 can realize rapid transportation of materials, and the transmission efficiency of the application is higher than that of traditional blades, and a valve plate 26 is rotatably arranged at one end of a discharge port of the volute 24, an adjusting frame 25 is arranged at one end of the valve plate 26, the size of the discharge port can be adjusted, so that the speed of material transportation can be adjusted.

[0046] As Figures 2-8 The recycling and crushing device 1 comprises a first driving assembly 11 and a screening assembly 13, a lower crushing mechanism 14 is arranged at the top end of the screening assembly 13, an upper crushing mechanism 15 is arranged at the top of the lower crushing mechanism 14, a feeding bin 16 is arranged at the top of the upper crushing mechanism 15, jacking pieces 12 for jacking the upper crushing mechanism 15 are arranged at the two sides of the lower crushing mechanism 14, the jacking pieces 12 can jack the upper crushing mechanism 15, so that the lower crushing mechanism 14 can be cleaned or overhauled, and the lower crushing mechanism 14 and the upper crushing mechanism 15 are driven by the first driving assembly 11, the lower crushing mechanism 14 and the upper crushing mechanism 15 can be driven simultaneously by the first driving assembly 11, and a plurality of driving mechanisms are not needed, plastics can be roughly crushed by the upper crushing mechanism 15, then the plastics can be crushed again by the lower crushing mechanism 14, and the qualified plastic particles can be screened by the screening assembly 13, and the plastics that do not pass the screening assembly can be continuously crushed by the lower crushing mechanism 14 until the plastics pass the screening assembly 13.

[0047] As Figures 2-8The lower crushing mechanism 14 comprises a lower crushing bin 142, a lower fixed knife 144 is installed inside the lower crushing bin 142, the lower crushing bin 142 is provided with a lower crushing knife assembly 143 matched with the lower fixed knife 144, and the two ends of the lower crushing knife assembly 143 are respectively provided with a driving wheel 141 and a counterweight wheel 145. The counterweight wheel 145 can make the lower crushing knife assembly 143 rotate more stably, so that the lower crushing knife assembly 143 is well matched with the lower fixed knife 144, and the crushing effect of the plastic is ensured.

[0048] As Figures 2-8 The upper crushing mechanism 15 comprises an upper crushing bin 151, an upper fixed knife assembly 153 is detachably installed in the upper crushing bin 151, and an upper crushing knife assembly 152 matched with the upper fixed knife assembly 153 is installed in the upper crushing bin 151 and connected with the upper crushing bin 151 through a bearing seat 154. The upper fixed knife assembly 153 comprises two reinforcing plates 1533 arranged in parallel, a plurality of fixed blades 1531 are equidistantly installed between the two reinforcing plates 1533, and a reinforcing rod 1532 is installed between the plurality of fixed blades 1531 to ensure the spacing between adjacent fixed blades 1531. The upper crushing knife assembly 152 comprises an upper rotating shaft 1523 and a combined knife seat 1521, the combined knife seat 1521 is provided with the upper rotating shaft 1523, the combined knife seat 1521 has a quadrangular prism structure, a plurality of upper knives 1522 are equidistantly installed on the four sides of the combined knife seat 1521, and the upper knives 1522 on adjacent sides are arranged at intervals.

[0049] As Figures 10-15 The frame 51 is provided at the lower portion with an extrusion granulation mechanism 52, and at the top with a conveying mechanism 53 communicated with the extrusion granulation mechanism 52.

[0050] As Figures 10-15The material conveying mechanism 53 comprises a conveying hopper 532, a conveying shaft 534 rotatably arranged in the conveying hopper 532, and a plurality of conveying blades 533 detachably arranged on the conveying shaft 534. The material conveying mechanism 53 further comprises a second driving assembly 531 for driving the conveying shaft 534 to rotate. A plurality of cover plates are detachably arranged on the top of the conveying hopper 532. The conveying blades 533 can be replaced by detaching the cover plates.

[0051] As shown in Figures 10-15 The extrusion granulation mechanism 52 comprises a third driving assembly 521, an extrusion barrel 522, and a nozzle sleeve 523. The nozzle sleeve 523 is detachably arranged at one end of the extrusion barrel 522. An extrusion shaft 529 is arranged in the extrusion barrel 522 and the nozzle sleeve 523. The extrusion shaft 529 is driven by the third driving assembly 521. The extrusion shaft 529 is detachably arranged with a spiral assembly 526 and an extrusion head assembly 528. An inner liner 527 is arranged on the inner wall of the extrusion barrel 522 and cooperates with the spiral assembly 526. The nozzle sleeve 523 is detachably arranged with a protective net 524 at the end away from the extrusion barrel 522. The protective net 524 can prevent injuries. The extrusion shaft 529 is provided with a pin slot 5291. The spiral assembly 526 comprises a plurality of unit spiral blades. The unit spiral blades are connected to the extrusion shaft 529 by a pin 5261. The unit spiral blades are arranged in a plurality of units. When a unit spiral blade is damaged, only the corresponding unit spiral blade needs to be replaced, instead of replacing the entire spiral assembly 526.

[0052] As shown in Figures 10-15 The extrusion head assembly 528 comprises a first extrusion plate 5281, a second extrusion plate 5282, a third extrusion plate 5283, and a fourth extrusion plate 5284. Cutting knives are arranged on both sides of the first extrusion plate 5281, the second extrusion plate 5282, the third extrusion plate 5283, and the fourth extrusion plate 5284. Gaps are arranged between the blades of the four cutting knives inside and the corresponding extrusion plates. The blade of one cutting knife at the outer end is attached to the surface of the fourth extrusion plate 5284. A plurality of first arc-shaped holes are arranged at equal intervals on the first extrusion plate 5281. A plurality of second arc-shaped holes are arranged at equal intervals on the second extrusion plate 5282. A plurality of third arc-shaped holes are arranged at equal intervals on the third extrusion plate 5283. A plurality of circular through holes are arranged at equal intervals on the fourth extrusion plate 5284. The second arc-shaped holes and the third arc-shaped holes have the same shape. The opening directions of the second arc-shaped holes and the first arc-shaped holes are opposite, which is more effective. The first extrusion plate 5281, the second extrusion plate 5282, the third extrusion plate 5283, and the fourth extrusion plate 5284 can extrude the material in sequence. In cooperation with the plurality of cutting knives, the material can be well sheared. Compared with the traditional single extrusion plate and one cutting knife, the extrusion and granulation effect of the present application is better.

[0053] As Figures 10-15 The head sleeve 523 comprises a lower sleeve 5231 and an upper sleeve 5232, the upper sleeve 5232 is rotationally connected with the lower sleeve 5231 through a pin shaft 5233, the upper sleeve 5232 is driven through a pneumatic cylinder 525, through the overturning of the upper sleeve 5232, the corresponding extrusion plate can be cleaned, and the extrusion plate and the cutter can be replaced, the lower sleeve 5231 is rotationally installed with a chuck 5234 for locking the upper sleeve 5232, the chuck 5234 can ensure the stability of the connection between the lower sleeve 5231 and the upper sleeve 5232, because the application is different from the traditional single extrusion plate, so it is very important to realize the quick cleaning and replacement of multiple extrusion plates, the overturned upper sleeve 5232 is mainly matched with the multiple extrusion plates and the cutter of the application.

[0054] The working principle of the application is that: the waste plastic is recycled and crushed by the recycling and crushing device 1 for subsequent further granulation; the crushed plastic is transported to the storage mechanism 3 for temporary storage by the first suction mechanism 2; the plastic in the storage mechanism 3 is transported to the extrusion granulation device 5 for extrusion granulation by the second suction mechanism 4;

[0055] The first driving assembly 11 can simultaneously drive the lower crushing mechanism 14 and the upper crushing mechanism 15, without the need for too many driving mechanisms, the plastic can be roughly crushed by the upper crushing mechanism 15, and then crushed again by the lower crushing mechanism 14, and the qualified plastic particles can be screened by the screening assembly 13, and the plastic that does not pass the screening assembly can continue to be crushed by the lower crushing mechanism 14 until the plastic passes the screening assembly 13;

[0056] The first extrusion plate 5281, the second extrusion plate 5282, the third extrusion plate 5283 and the fourth extrusion plate 5284 are provided with cutters on both sides, the blades of the four cutters inside are provided with gaps between the corresponding extrusion plates, the blade of the cutter at the outer end is attached to the surface of the fourth extrusion plate 5284, the first extrusion plate 5281 is provided with a plurality of first arc-shaped holes at equal intervals, the second extrusion plate 5282 is provided with a plurality of second arc-shaped holes at equal intervals, the third extrusion plate 5283 is provided with a plurality of third arc-shaped holes at equal intervals, and the fourth extrusion plate 5284 is uniformly provided with a plurality of circular through holes, the second arc-shaped hole and the third arc-shaped hole are the same shape, the opening direction of the second arc-shaped hole and the first arc-shaped hole is opposite, and the effect is better, the material can be extruded in sequence through the first extrusion plate 5281, the second extrusion plate 5282, the third extrusion plate 5283 and the fourth extrusion plate 5284, and the material can be well sheared by cooperating with the plurality of cutters.

[0057] Finally, it should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that the technical solutions described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalent ones. Any modification, equivalent replacement, improvement, etc. 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 plastic recycling and granulation equipment, characterized in that, It includes a recycling and crushing device (1), a storage mechanism (3) and an extrusion granulation device (5). The recycling and crushing device (1) is connected to the storage mechanism (3) through a first suction mechanism (2), and the storage mechanism (3) is connected to the extrusion granulation device (5) through a second suction mechanism (4). The recycling crushing device (1) includes a first drive assembly (11) and a screening assembly (13). A lower crushing mechanism (14) is installed at the top of the screening assembly (13). An upper crushing mechanism (15) is installed at the top of the lower crushing mechanism (14). A feed hopper (16) is installed at the top of the upper crushing mechanism (15). Lifting components (12) for lifting the upper crushing mechanism (15) are installed on both sides of the lower crushing mechanism (14). Both the lower crushing mechanism (14) and the upper crushing mechanism (15) are driven by the first drive assembly (11). An extrusion granulation mechanism (52) is installed at the lower part of the frame (51), and a material conveying mechanism (53) connected to the extrusion granulation mechanism (52) is installed at the top of the frame (51). The lower crushing mechanism (14) includes a lower crushing chamber (142), a lower fixed blade (144) is installed inside the lower crushing chamber (142), and a lower crushing blade assembly (143) that cooperates with the lower fixed blade (144) is installed in the lower crushing chamber (142). A drive wheel (141) and a counterweight wheel (145) are respectively installed at both ends of the lower crushing blade assembly (143). The upper crushing mechanism (15) includes an upper crushing chamber (151), an upper fixed blade assembly (153) is detachably installed in the upper crushing chamber (151), and an upper crushing blade assembly (152) that cooperates with the upper fixed blade assembly (153) is installed in the upper crushing chamber (151). The upper crushing blade assembly (152) is connected to the upper crushing chamber (151) through a bearing seat (154). The upper fixed blade assembly (153) includes two parallel reinforcing plates (1533), a plurality of fixed blades (1531) are installed at equal intervals between the two reinforcing plates (1533), and a reinforcing rod (1532) is installed between the plurality of fixed blades (1531). The upper crushing blade assembly (152) includes an upper rotating shaft (1523) and a combined blade holder (1521). The combined blade holder (1521) is equipped with the upper rotating shaft (1523). The combined blade holder (1521) has a quadrangular prism structure. Multiple upper blades (1522) are evenly spaced on the four sides of the combined blade holder (1521). The upper blades (1522) on adjacent sides are spaced apart. The combined blade holder (1521) is formed by the detachable combination of two plates. The material conveying mechanism (53) includes a conveying bin (532), a conveying shaft (534) is rotatably installed inside the conveying bin (532), a plurality of conveying blades (533) are detachably installed on the conveying shaft (534), the material conveying mechanism (53) also includes a second drive assembly (531) for driving the conveying shaft (534) to rotate, and a plurality of cover plates are detachably installed on the top of the conveying bin (532); The extrusion granulation mechanism (52) includes a third drive assembly (521), an extrusion cylinder (522), and a die head sleeve (523). The die head sleeve (523) is detachably installed at one end of the extrusion cylinder (522). An extrusion shaft (529) is provided inside the extrusion cylinder (522) and the die head sleeve (523). The extrusion shaft (529) is driven by the third drive assembly (521). A screw assembly (526) and an extrusion head assembly (528) are detachably installed on the extrusion shaft (529). A liner (527) that cooperates with the screw assembly (526) is installed on the inner wall of the extrusion cylinder (522). A protective net (524) is detachably installed at the end of the die head sleeve (523) away from the extrusion cylinder (522). The extrusion shaft (529) is provided with a pin groove (5291), and the spiral assembly (526) is composed of multiple unit spiral blades. The unit spiral blades are connected to the extrusion shaft (529) through pins (5261). The extrusion head assembly (528) includes a first extrusion plate (5281), a second extrusion plate (5282), a third extrusion plate (5283), and a fourth extrusion plate (5284). Cutters are installed on both sides of the first extrusion plate (5281), the second extrusion plate (5282), the third extrusion plate (5283), and the fourth extrusion plate (5284). There is a gap between the blades of the four internal cutters and the corresponding extrusion plates, and the blade of one external cutter is in contact with the surface of the fourth extrusion plate (5284). The first extrusion plate (5281) has a plurality of first arc-shaped holes at equal intervals, the second extrusion plate (5282) has a plurality of second arc-shaped holes at equal intervals, the third extrusion plate (5283) has a plurality of third arc-shaped holes at equal intervals, and the fourth extrusion plate (5284) has a plurality of circular through holes evenly distributed. The second arc-shaped holes and the third arc-shaped holes have the same shape, and the opening directions of the second arc-shaped holes and the first arc-shaped holes are opposite.

2. The waste plastic recycling and granulation equipment according to claim 1, characterized in that, The first suction mechanism (2) and the second suction mechanism (4) include a drive motor (21) and a volute (24). The drive motor (21) drives the turntable (22) to rotate. The turntable (22) is equipped with multiple blades (23) at equal intervals. The blades (23) are arc-shaped. A valve plate (26) is rotatably installed at one end of the discharge port of the volute (24). An adjustment frame (25) is installed at one end of the valve plate (26).

3. The waste plastic recycling and granulation equipment according to claim 1, characterized in that, The lower crushing blade assembly (143) includes a lower rotating shaft (1431) and a lower blade holder (1432). A strip blade (1433) and an arc blade (1434) are detachably mounted on the lower blade holder (1432), and the strip blade (1433) and the arc blade (1434) are spaced apart.

4. The waste plastic recycling and granulation equipment according to claim 1, characterized in that, The head sleeve (523) includes a lower sleeve (5231) and an upper sleeve (5232). The upper sleeve (5232) is rotatably connected to the lower sleeve (5231) via a pin (5233). The upper sleeve (5232) is driven by a cylinder (525). The lower sleeve (5231) is rotatably mounted with a chuck (5234) for locking the upper sleeve (5232).

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