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CN-121989384-A - Waste plastic recycling device

CN121989384ACN 121989384 ACN121989384 ACN 121989384ACN-121989384-A

Abstract

The invention relates to the technical field of waste plastic recycling, in particular to a waste plastic recycling device which comprises a main body fixing frame, a first driving assembly rotationally arranged in the middle of the cleaning tank and comprising a first driving shaft and a second driving shaft which are mutually inserted, and a cleaning assembly arranged in the middle of the cleaning tank and driven by the first driving assembly to reciprocate back and forth and revolve, wherein the top of the main body fixing frame is fixedly connected with the cleaning tank, and the cleaning assembly comprises an elastic grille. According to the invention, the first collecting net, the second collecting net and the third collecting net form the frame body to intercept and collect plastics, then the frame body rotates into the cleaning liquid, the elastic grille is extruded on the surface of the plastics in the frame body, and meanwhile, the first driving shaft drives the elastic grille to reciprocate in the frame body and continuously kneads and cleans the plastics in the frame body, so that the purposes of kneading and cleaning the plastics, improving cleaning efficiency and reducing water consumption are realized while the plastics are conveyed.

Inventors

  • WANG FANGZHONG
  • WU XIAOLI
  • LI TAO

Assignees

  • 浙江丽孚科技有限公司

Dates

Publication Date
20260508
Application Date
20260403

Claims (9)

  1. 1. The waste plastic recycling device is characterized by comprising: the cleaning device comprises a main body fixing frame (1), wherein the top of the main body fixing frame (1) is fixedly connected with a cleaning tank (2); the first driving assembly is rotatably arranged in the middle of the cleaning tank (2) and comprises a first driving shaft (301) and a second driving shaft (302) which are mutually spliced; The cleaning component is arranged in the middle of the cleaning tank (2) and driven by the first driving component to reciprocate back and forth and revolve, and comprises an elastic grating (401); The collecting assembly is arranged in the middle of the cleaning tank (2) and is driven to revolve by a driving assembly, the collecting assembly comprises a first collecting net (501), a second collecting net (502) and a third collecting net (503) which are sequentially hinged, the elastic grille (401) is movably connected in a frame structure formed by the first collecting net (501), the second collecting net (502) and the third collecting net (503), so that the elastic grille (401) can reciprocate to rub and clean plastics in the frame structure, two sides of one end of the first collecting net (501) are respectively fixedly connected with a second supporting rod (504), two ends of one end of the third collecting net (503) are respectively fixedly connected with a second movable sleeve (505), the second movable sleeve (505) is movably sleeved on the surface of the second supporting rod (504), one end of the second movable sleeve (505) corresponding to the position of the collecting assembly is fixedly connected with a fixed disc (507), one end of the second movable sleeve (505) corresponding to the fixed disc (507) is fixedly connected with a first guide post (506), the fixed disc (507) corresponds to the first guide post (506) and the first guide post (506) is correspondingly moved to the first guide post (506), the first guide post (508) is matched with the first guide post (506) to move, and drives the frame body structure to shrink and stretch for collecting and discharging.
  2. 2. The recycling device for waste plastics according to claim 1, wherein the two sides of one end of the elastic grating (401) are fixedly connected with a first supporting rod (402), the two sides of the other end of the elastic grating (401) are fixedly connected with a first movable sleeve (403), the first movable sleeve (403) is movably sleeved on the surface of the first supporting rod (402), the middle part of the bottom of the cleaning tank (2) is horizontally arranged, the two ends of the bottom of the cleaning tank (2) are obliquely arranged upwards, the first driving shaft (301) and the second driving shaft (302) are respectively of semi-cylindrical structures, and protruding strips and grooves are respectively arranged at the opposite ends of the first driving shaft (301) and the second driving shaft (302) so that the first driving shaft (301) and the second driving shaft (302) can synchronously rotate and simultaneously perform axial relative movement, and the first driving shaft (301) and the second driving shaft (302) penetrate through bearings and extend to the two ends of the cleaning tank (2).
  3. 3. The recycling device for waste plastics according to claim 2, wherein the first guiding groove (508) is of an annular structure with a concave middle part towards a circle center, so that when the first guiding post (506) moves to a concave position, the first guiding post (506) drives the second movable sleeve (505) to move towards the circle center of the first driving shaft (301) along the second supporting rod (504), and then a frame structure formed by the first collecting net (501), the second collecting net (502) and the third collecting net (503) is stretched, and accordingly discharging is performed, a reset spring (404) is fixedly connected to the bottom of the first movable sleeve (403), and the reset spring (404) is fixedly connected to the bottom of the surface of the first supporting rod (402).
  4. 4. The recycling device of waste plastic according to claim 3, wherein a first driving ring (509) is movably inserted on the surface of the first driving shaft (301), a second supporting rod (504) is fixedly connected to the surface of the first driving ring (509), a first connecting rod (510) is fixedly connected to one end of the first supporting rod (402) corresponding to the position of the first driving shaft (301), a second driving ring (511) is fixedly connected to the surface of the first driving shaft (301), a movable groove (512) is formed in the middle of the second driving ring (511), the first connecting rod (510) is movably inserted on the inner wall of the movable groove (512), a spring is arranged on the surface of the first connecting rod (510) and one end of the movable groove (512), two limit protrusions (513) are formed on the surface of the first connecting rod (510) corresponding to the position of the movable groove (512), and the movable groove (512) is located between the two limit protrusions (513), so that when the movable groove (512) is driven by the first driving shaft (301) to move along the axial direction, the movable groove (512) is matched with the two limit protrusions (513) to synchronously move the first connecting rod (510).
  5. 5. The recycling device of waste plastic, as set forth in claim 4, further comprising a second driving component for driving the cleaning component to move independently, wherein the second driving component comprises a cylinder (601) fixedly connected to one end of the cleaning tank (2), the cylinder (601) is rotatably connected to the surface of the second driving shaft (302) through a bearing, so that when the cylinder (601) stretches or contracts, the second driving shaft (302) is driven to move axially, one end of the first driving ring (509) far away from the position of the fixed disk (507) is fixedly connected with a second connecting frame (602), one end of the second connecting frame (602) far away from the position of the first driving ring (509) is fixedly connected with a third driving ring (603), a second guiding groove (604) is formed in the surface of the third driving ring (603), a guiding sleeve (605) is movably sleeved on the surface of the first connecting rod (510), one end of the guiding sleeve (605) corresponding to the position of the second guiding groove (604) is fixedly connected with a second guiding post (606), one end of the second guiding post (606) is movably connected to the second guiding post (608) of the second driving ring (606), one end of the second driving ring (607) is fixedly connected to the fourth driving ring (608) at the position corresponding to the fourth driving ring (608), when the cylinder (601) drives the second driving shaft (302) to move, the second driving shaft (302) drives the second guide post (606) at the corresponding position to move on the inner wall of the guide sleeve (605) through the fourth driving ring (607) matched with the driving bevel gear (608), and then the elastic grating (401) is driven to revolve and separate from the aggregate component through the guide sleeve (605) matched with the first connecting rod (510) and the first supporting rod (402), so that the aggregate component is separated from the cleaning component before the aggregate component enters and exits the cleaning liquid.
  6. 6. The recycling device for waste plastics according to claim 5, further comprising a driving assembly III for driving the first driving shaft (301) and the second driving shaft (302) to rotate, wherein the driving assembly III comprises a driving gear (701) rotatably connected to one end of the cleaning tank (2) through a bearing, the driving gear (701) is driven by a servo motor in cooperation with the main gear, driving grooves (702) are respectively formed in the surfaces of the first driving shaft (301) and the second driving shaft (302), driving wedges (703) are fixedly connected to the inner walls of the driving gear (701) and the first driving ring (509) respectively, and the driving wedges (703) are movably connected to the inner walls of the driving grooves (702).
  7. 7. The recycling device of waste plastic, as set forth in claim 6, further comprising a cleaning pushing cooperative assembly for driving the unified collection of the plastic at the bottom, wherein the cleaning pushing cooperative assembly comprises a supporting frame (801) rotatably connected to the surface of the first driving shaft (301) through a bearing, the bottom of the inner wall of the cleaning tank (2) is movably connected with a pushing plate (809), the top of the pushing plate (809) is provided with a convex structure for unidirectional pushing water flow, one end of the pushing plate (809) corresponding to the position of the supporting frame (801) is fixedly connected with a second connecting rod (808), one end of the second connecting rod (808) far away from the position of the pushing plate (809) is fixedly connected with a movable seat (807), one ends of the movable seat (807) and the supporting frame (801) opposite to each other are fixedly connected with a driving frame (806), one end of the cleaning tank (2) corresponding to the driving frame (806) is fixedly connected with a guide frame (802), the middle of the guide frame (802) is rotatably connected with a driving disc (803) through a bearing, the driving disc (803) is driven by a driving motor, one end of the driving disc (809) corresponding to the position of the supporting frame (801) is fixedly connected with a waist-shaped column (805), one side of the driving disc (803) is movably connected with a driving column (805), and the waist-shaped column (805) is movably connected with a driving column (805) at one side of the center (803), the movable frame (805) is movably inserted into the inner wall of the guide frame (802), so that the guide frame (802) guides the movement of the movable frame (805), when the driving motor drives the driving disc (803) to rotate, the driving disc (803) drives the driving frame (806) to reciprocate through the driving column (804) and the movable frame (805), the driving frame (806) drives the first driving shaft (301) to reciprocate axially through the supporting frame (801), and meanwhile, the movable seat (807) drives the pushing plate (809) to reciprocate at the bottom of the inner wall of the cleaning tank (2) through the second connecting rod (808) and pushes water flow and sinking plastic.
  8. 8. The recycling device for waste plastics of claim 7, wherein one end of the cleaning tank (2) corresponding to the position of the moving seat (807) is fixedly connected with a third guide column (811), the third guide column (811) is movably inserted in the middle of the moving seat (807), one end of the cleaning tank (2) corresponding to the position of the pushing plate (809) is fixedly embedded with a containing basket (810), the pushing plate (809) is movably connected to the inner wall of the containing basket (810), the inner wall of the containing basket (810) is fixedly connected with a fourth guide column (812), and the fourth guide column (812) is movably inserted in the inner wall of the pushing plate (809).
  9. 9. The recycling device for waste plastics according to claim 8, wherein a screw conveyor frame (9) is fixedly embedded in the middle of one end of the main body fixing frame (1) corresponding to the position of the plastic inlet, a screw blade (10) is rotatably connected to the inner wall of the screw conveyor frame (9), the bottom of the screw conveyor frame (9) is communicated with the bottom of the cleaning tank (2), a discharging pipe (11) is fixedly embedded in one end of the screw conveyor frame (9), a water collecting cover (12) is fixedly connected to the top of the cleaning tank (2) corresponding to the position of the plastic inlet, a plurality of holes are formed in the top of the screw conveyor frame (9) corresponding to the position of the water collecting cover (12), so that cleaning liquid spirally conveyed by the screw blade (10) enters the water collecting cover (12) through the holes and flows into the cleaning tank (2) from the bottom of the screw conveyor frame, a stirring water body is maintained, a material stirring roller (13) for plastic movement is rotatably connected to the top of the cleaning tank (2), and a discharging port (14) is fixedly embedded in the tail end of the cleaning tank (2).

Description

Waste plastic recycling device Technical Field The invention relates to the technical field of waste plastic recycling, in particular to a waste plastic recycling device. Background The standard industrial process of recycling waste plastics comprises the steps of waste plastics collection, manual sorting, crushing treatment, cleaning and purifying, dehydration and drying, and melt granulation, wherein the cleaning procedure after crushing is a core pretreatment link for determining the quality of the regenerated plastics. After the waste plastic is treated by a crushing process, irregular crushed aggregates with the particle size of 5 mm-50 mm are formed, a large amount of impurities such as greasy dirt, silt, tag glue stains and crushed dust can be remained on the surface, the fracture and gaps of the irregular crushed aggregates, meanwhile, the partially crushed plastic crushed aggregates can be internally wrapped, the surfaces of the partially crushed plastic crushed aggregates are mixed with heavy objects such as metal inserts and metal crushed aggregates, and the density of the heavy crushed aggregates is higher than that of the cleaning liquid. The utility model provides a plastic bottle recovery processing method and recovery processing production line that bulletin number CN117697997A provided, relates to plastic bottle and retrieves technical field, carries out abluent rinsing machine to the plastic bottle after smashing, the feed inlet has been seted up to rinsing machine one end, the bottom is provided with the defeated material auger in the rinsing machine, the discharge gate has been seted up to the rinsing machine other end. According to the plastic bottle recycling processing method and the plastic bottle recycling processing line through-wheel type salvaging machine, plastic sheets floating on the water surface can be rotationally salvaged to the blanking mechanism for blanking and collecting, in the process, part of plastic sheets suspended in the water can be independently salvaged by the wheel type salvaging machine and is blanked into the collecting box for storage, and the blocking mechanism can intermittently block the plastic sheets floating on the water surface along with the rotation of the wheel type salvaging machine, so that floating plastic cannot be salvaged in the process of salvaging floating plastic, and the collecting and classifying effects of the plastic sheets are effectively improved. However, when the technology is in actual use, the cleaning is simpler, and because the crushed plastic particles are irregular in shape, refractory impurities in gaps are difficult to be removed through flushing and simple stirring of traditional water flow, the problems of low cleaning cleanliness, long cleaning time and large water consumption exist, and the quality of reclaimed materials in the subsequent granulating process is directly influenced. Disclosure of Invention The invention aims to provide a waste plastic recycling device, which aims to solve the problems of low cleaning cleanliness, long cleaning time and large water consumption. In order to achieve the above purpose, the invention provides a waste plastic recycling device, comprising: the cleaning device comprises a main body fixing frame, wherein the top of the main body fixing frame is fixedly connected with a cleaning tank; The first driving assembly is rotatably arranged in the middle of the cleaning tank and comprises a first driving shaft and a second driving shaft which are mutually inserted; The cleaning component is arranged in the middle of the cleaning tank, is driven by the first driving component to reciprocate back and forth and revolve, and comprises an elastic grating; The cleaning device comprises a cleaning tank, a collecting assembly, an elastic grille, a first guide post, a second guide post, a third guide post, a second support rod, a second movable sleeve, a fixing disc, a first guide groove, a second support rod, a second movable sleeve and a discharging device, wherein the collecting assembly is arranged in the middle of the cleaning tank and is driven to revolve by a driving assembly, the collecting assembly comprises a first collecting net, a second collecting net and a third collecting net which are sequentially hinged to each other, the elastic grille is movably connected to a frame body structure formed by the first collecting net, the second collecting net and the third collecting net, the elastic grille is movably connected to the first guide post, the first guide post is movably connected to the inner wall of the frame body structure, the first guide groove is matched with the first guide post to drive the second support rod to move, the second support rod is fixedly connected to the second movable sleeve, the second movable sleeve is movably sleeved on the surface of the second support rod, the fixing disc is fixedly connected to the inner wall of the cleaning tank, and the fixing disc is