Waste plastic crushing, recovering and granulating device
Technical Field
The utility model belongs to the technical field of granulating devices, and particularly relates to a waste plastic crushing, recycling and granulating device.
Background
In the recycling process of waste plastics, the waste plastics are generally crushed and granulated.
In the prior art, patent document with publication number CN210082198U discloses a waste plastic crushing and recycling granulating device, which comprises a fixed tank, the inside movable sleeve of fixed tank is equipped with two hot press rollers, the back of hot press roller is located the outside of fixed tank and is equipped with first belt pulley, one side that first belt pulley kept away from the fixed tank is equipped with first driving motor, the bottom fixedly connected with layer board of first driving motor, and layer board and fixed tank welding, the top of hot press roller is equipped with the mounting box with fixed tank fixed connection, the inside movable sleeve of mounting box is equipped with two crushing rollers, the back of crushing roller is equipped with the second belt pulley that is located the mounting box outside, the outside winding of first belt pulley and second belt pulley has the belt, crushing roller just can carry out crushing treatment to plastics in the above-mentioned device, and the plastics after smashing falls down through hot press roller heating softens, and the second driving motor passes through the fixed axle again and drives the rotation, the scraper blade passes through the extrusion shaping of pelletization hole, but above-mentioned granulating device is very easy to take place the jam phenomenon after the long-term use in the pelletization hole, and the present granulating device can not effectively reduce the jam of pelletization hole and realize the back flushing rate of pelletization hole, the utility model provides the waste plastic recycling device based on this.
Disclosure of utility model
(1) Technical problem to be solved
Aiming at the defects of the prior art, the utility model aims to provide a waste plastic crushing, recycling and granulating device, and aims to solve the technical problems that the existing granulating device can not effectively reduce the blocking rate of granulating holes and realize the recoil self-cleaning of the granulating holes.
(2) Technical proposal
In order to solve the technical problems, the utility model provides the waste plastic crushing, recycling and granulating device which comprises a water cooling tank, wherein an extruding cylinder which is horizontally arranged is fixedly arranged at the top of the water cooling tank, a crushing mechanism is communicated with the top of the extruding cylinder, a hot extruding mechanism is arranged at the axial position of the extruding cylinder, an extruding outlet which is vertically downwards arranged is fixedly arranged at the front part of the extruding cylinder, a rotating cylinder is rotatably connected at the position of the peripheral side surface of the extruding cylinder and corresponds to the extruding outlet, a plurality of groups of granulating holes which are distributed in a linear array are formed in the rotating cylinder, a cutting frame is slidably connected at the peripheral side surface of the rotating cylinder, knife rings are arranged at the positions of the surface of the cutting frame and adjacent granulating holes of each group, a reciprocating frame is rotatably connected at the peripheral side surface of the cutting frame, the rotating cylinder and the reciprocating frame are driven by the hot extruding mechanism, and a reverse cleaning mechanism which is matched with the granulating holes is arranged in the interior of the extruding cylinder.
Preferably, the crushing mechanism comprises a crushing box arranged on the upper portion of the extrusion cylinder, the bottom of the crushing box is communicated with a collecting pipe, a discharge port of the collecting pipe is fixedly communicated with the extrusion cylinder, two crushing rollers which are symmetrically arranged are rotationally connected to the inner wall of the crushing box, linkage gears are fixedly arranged at the tail ends of the crushing rollers, the two linkage gears are meshed with each other, a crushing motor is fixedly arranged on the side face of the crushing box, an output shaft end of the crushing motor is fixedly connected with one crushing roller, and a feed inlet is fixedly arranged at the top of the crushing box.
Further, the hot extrusion mechanism comprises a conveying motor fixedly arranged at the tail part of the extrusion cylinder, an extrusion shaft is fixedly arranged at the output shaft end of the conveying motor, spiral extrusion blades are fixedly arranged on the peripheral side face of the extrusion shaft, the peripheral side face of each spiral extrusion blade is rotationally attached to the extrusion cylinder, an electric heating rod a is arranged in the extrusion shaft, and an electric heating rod b is arranged in the extrusion cylinder.
Still further, the inner wall of extrusion section of thick bamboo rotates respectively and is connected with shaft coupling a and shaft coupling b, shaft coupling a's week side passes through chain belt and shaft coupling b transmission to be connected, shaft coupling a's top and extrusion shaft's week side all fixed mounting have linkage awl tooth, two linkage awl tooth intermeshing, shaft coupling b's week side fixed mounting has initiative awl tooth and half-tooth respectively, the week side fixed mounting of a section of thick bamboo has the driven bevel gear that is connected with initiative awl tooth transmission, the surface of reciprocal frame is fixed mounting respectively has guide bar and the reciprocal pinion rack of level setting, guide bar's week side and extrusion section of thick bamboo sliding connection, guide bar's week side cover is equipped with the compression spring with extrusion section of thick bamboo complex, half-tooth's week side and reciprocal pinion rack transmission are connected.
Furthermore, a water cooling cavity is fixedly formed in the water cooling box, a filter plate is fixedly mounted on the inner wall of the water cooling cavity, and filter holes are uniformly distributed on the inner wall of the filter plate.
Still further, the anti-clear mechanism is including being fixed in the air heater at extrusion section of thick bamboo top and seting up in the extrusion section of thick bamboo inside and set up in the inboard recoil chamber of a spiral section of thick bamboo respectively, the inlet port fixed mounting of air heater has the filter, the air outlet port of air heater passes through pipeline and the fixed intercommunication in recoil chamber, a set of regular distribution has been seted up at the top of extrusion section of thick bamboo and the anti-punching hole of the intercommunication in recoil chamber.
(3) Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
When the automatic back flushing device works, through the arrangement of the rotary cylinder and the back flushing mechanism, the blocking rate of the granulating hole can be effectively reduced, and the efficient back flushing self-cleaning of the granulating hole can be realized through back flushing hot air.
Drawings
FIG. 1 is a schematic diagram of a waste plastic crushing, recycling and granulating device;
FIG. 2 is a schematic view of a partial enlarged structure of the present utility model at A in FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 1 according to the present utility model;
FIG. 4 is a schematic view of a partial enlarged structure at B in FIG. 3 according to the present utility model;
FIG. 5 is a schematic view of the structure of the knife ring and reciprocating frame of the present utility model;
fig. 6 is a schematic view of a partially enlarged structure of fig. 5C according to the present utility model.
The drawing comprises a water cooling tank 1, an extruding cylinder 2, an extruding outlet 4, a rotary cylinder 5, a granulating hole 6, a cutting frame 7, a knife ring 8, a reciprocating frame 9, a crushing tank 10, a crushing roller 11, a linkage gear 12, a conveying motor 13, an extruding shaft 14, a spiral extruding blade 15, an electric heating rod a 16, an electric heating rod b 17, a coupling a 18, a coupling b 19, a driving bevel gear 20, a half-cut gear 21, a guide rod 22, a reciprocating toothed plate 23, a compression spring 24, a filter plate 25, a hot air blower 26, a backflushing cavity 27 and a backflushing hole.
Detailed Description
Referring to fig. 1-6, the specific embodiment is a waste plastic crushing, recycling and granulating device, which comprises a water cooling tank 1, wherein a water cooling cavity is fixedly formed in the water cooling tank 1, a filter plate 24 is fixedly arranged on the inner wall of the water cooling cavity, and filter holes are uniformly distributed on the inner wall of the filter plate 24;
Through the arrangement of the filter plate 24 and the filter holes, plastic particles entering the water cooling cavity are effectively water-cooled and water-cooled particles are trapped;
The top of the water cooling box 1 is fixedly provided with a horizontally arranged extrusion cylinder 2, and the top of the extrusion cylinder 2 is communicated with a crushing mechanism;
The crushing mechanism comprises a crushing box 9 arranged on the upper portion of the extrusion barrel 2, a collecting pipe is communicated with the bottom of the crushing box 9, a discharge port of the collecting pipe is fixedly communicated with the extrusion barrel 2, two symmetrically arranged crushing rollers 10 are rotationally connected to the inner wall of the crushing box 9, linkage gears 11 are fixedly arranged at the tail ends of the two crushing rollers 10, the two linkage gears 11 are meshed with each other, a crushing motor is fixedly arranged on the side face of the crushing box 9, an output shaft end of the crushing motor is fixedly connected with one crushing roller 10, and a feed inlet is fixedly arranged at the top of the crushing box 9.
The hot extrusion mechanism is arranged at the axis position of the extrusion cylinder 2, the extrusion opening 3 which is vertically and downwards arranged is fixedly arranged at the front part of the extrusion cylinder 2, the rotary cylinder 4 is rotationally connected at the position corresponding to the extrusion opening 3 on the peripheral side surface of the extrusion cylinder 2, a plurality of groups of granulating holes 5 which are distributed in a linear array are arranged in the rotary cylinder 4, and the cutting frame 6 is slidingly connected on the peripheral side surface of the rotary cylinder 4;
The peripheral side surface of the rotary cylinder 4 is provided with a group of guide grooves distributed in a circumferential array, and the inner wall of the cutting frame 6 is provided with guide blocks which are in sliding connection with the guide grooves at positions corresponding to the guide grooves;
The surface of the cutting frame 6 and the positions adjacent to each group of granulating holes 5 are provided with cutter rings 7, the peripheral side surface of the cutting frame 6 is rotationally connected with a reciprocating frame 8, and the rotary cylinder 4 and the reciprocating frame 8 are driven by a hot extrusion mechanism;
The hot extrusion mechanism comprises a conveying motor 12 fixedly arranged at the tail part of the extrusion cylinder 2, an extrusion shaft 13 is fixedly arranged at the output shaft end of the conveying motor 12, a spiral extrusion blade 14 is fixedly arranged on the peripheral side surface of the extrusion shaft 13, the peripheral side surface of the spiral extrusion blade 14 is rotationally attached to the extrusion cylinder 2, an electric heating rod a15 is arranged in the extrusion shaft 13, and an electric heating rod b16 is arranged in the extrusion cylinder 2;
By arranging the electric heating rod a15 and the electric heating rod b16, the inside of the extrusion cylinder 2 is maintained at a set temperature, and the plastic entering the extrusion cylinder 2 is melted by keeping the constant temperature inside the extrusion cylinder 2;
The inner wall of the extrusion cylinder 2 is respectively and rotatably connected with a coupling a17 and a coupling b18, the peripheral side surface of the coupling a17 is in transmission connection with the coupling b18 through a chain belt, the top end of the coupling a17 and the peripheral side surface of the extrusion shaft 13 are fixedly provided with linkage bevel gears, and the two linkage bevel gears are meshed with each other;
The peripheral side surface of the coupling b18 is fixedly provided with a driving bevel gear 19 and a half-cut gear 20 respectively, the peripheral side surface of the rotary cylinder 4 is fixedly provided with a driven bevel gear connected with the driving bevel gear 19 in a transmission way, the surface of the reciprocating frame 8 is fixedly provided with a horizontally arranged guide rod 21 and a reciprocating toothed plate 22 respectively, the peripheral side surface of the guide rod 21 is in sliding connection with the extrusion cylinder 2, the peripheral side surface of the guide rod 21 is sleeved with a compression spring 23 matched with the extrusion cylinder 2, and the peripheral side surface of the half-cut gear 20 is connected with the reciprocating toothed plate 22 in a transmission way;
The inside of the extrusion cylinder 2 is provided with a reverse cleaning mechanism matched with the granulating hole 5.
The back-cleaning mechanism comprises an air heater 25 fixed at the top of the extrusion barrel 2 and a back-flushing cavity 26 arranged inside the extrusion barrel 2 and arranged at the inner side of the rotary barrel 4, a filter is fixedly arranged at an air inlet port of the air heater 25, an air outlet port of the air heater 25 is fixedly communicated with the back-flushing cavity 26 through a pipeline, and a group of back-flushing holes 27 which are regularly distributed and are communicated with the back-flushing cavity 26 are formed in the top of the extrusion barrel 2:
During operation, the crushing motor, the conveying motor 12 and the air heater 25 all work with set power, after the conveying motor 12 works, on one hand, the spiral extrusion blade 14 is driven to extrude plastic melt materials to the direction of the rotary drum 4 and the granulating hole 5, and on the other hand, the cutting frame 6 and the cutter ring 7 are driven to reciprocate in a set stroke, when the cutter ring 7 reciprocates, the cutter ring 4 synchronously rotates, the molten plastic extruded through the extruding opening 3 is finally extruded through the granulating hole 5, extruded plastic particles fall into the water cooling box 1 to perform water cooling operation, and the granulating hole 5 on the rotary drum 4 is recycled and back-flushing is self-cleaning after circulation along with the rotation of the rotary drum 4.
All technical features in the embodiment can be freely combined according to actual needs.
The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.