CN113146879A

CN113146879A - Multi-station plastic granulator

Info

Publication number: CN113146879A
Application number: CN202011567221.9A
Authority: CN
Inventors: 吴清哲; 林芳军; 谢简荣
Original assignee: Hainan Jinxiang Chenxing Plastics Co ltd
Current assignee: Hainan Jinxiang Chenxing Plastics Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-07-23
Anticipated expiration: 2040-12-25
Also published as: CN113146879B

Abstract

The invention discloses a multi-station plastic granulator, which is characterized in that a bidirectional swinging device is arranged and is driven by combining the rotation of a roller to perform bidirectional swinging on upper and lower plastic strips from a water cooling tank so as to spin-dry the water on the plastic strips, and the dehydration efficiency of the plastic strips is effectively improved; the double rows of plastic strips can be simultaneously dried through the linkage effect of the upper swing beam and the lower swing beam, so that the plastic granulation efficiency is greatly improved; meanwhile, the rotary drum is arranged, and the bidirectional swinging device and the pushing device are driven to move together by the transmission assembly in the rotating process of the rotary drum so as to push and throw water to the upper and lower plastic strips; simultaneously, cylinder pivoted in-process drives two-way cutting device and cuts the grain to the plastic strip that the propelling movement was come, effectively improves plastic granulator's degree of automation and granulation efficiency, effectively reduces hand labor power, improves production efficiency.

Description

Multi-station plastic granulator

Technical Field

The invention relates to the technical field of plastic granulators, in particular to a multi-station plastic granulator.

Background

When the waste plastics are smelted and granulated, the waste plastics enter from a feeding port of a recycled plastic granulator and enter a cylindrical shell under the drive of a screw of the recycled plastic granulator, the front section of the shell is a high-temperature section, and the outside of the shell is heated by a boiler, so that the raw materials entering the high-temperature section become slurry in a molten state. And then the slurry enters the heat preservation section under the driving of the screw, is extruded out from the other end of the shell, and is cooled and granulated by the water cooling box, so that the granulation process is completed. The screw extrusion mechanisms in the prior art extrude plastic strips in a single row, the extruded plastic strips droop into a water tank for water cooling, and the plastic strips enter a cutting device for granulation after water cooling; the plastic granulation adopting the method is easy to cause uneven particle size due to sagging deformation, and the granulation efficiency of the plastic strips extruded from the single-row extrusion port is low.

Disclosure of Invention

The invention provides a multi-station plastic granulator, and aims to solve the problems that the plastic granulator can only produce single-row plastic particles and is low in granulation efficiency.

In order to achieve the purpose, the invention provides a multi-station plastic granulator which comprises a spiral extrusion mechanism with double extrusion outlets, a conveying device, a water cooling tank, a support, a roller, a bidirectional swinging device, a pushing device and a bidirectional cutting device, wherein the conveying device is arranged on one side of the spiral extrusion mechanism and is positioned on one side of the water cooling tank; the bracket is arranged on one side of the water cooling tank, and the roller is rotatably arranged on the bracket through a driving part; the bidirectional swinging device is arranged on the bracket and positioned in the roller, and is in transmission connection with the roller through a transmission assembly; a circular plate provided with a discharging hole is arranged on the support, the circular plate is positioned in one end of the roller, the pushing device is arranged on the circular plate, and the pushing device is connected with the transmission assembly; the bidirectional cutting device is arranged on one side of the circular plate, and the roller is abutted against the bidirectional cutting device so as to drive the bidirectional cutting device to cut plastic strips into particles by rotation of the roller.

Furthermore, the bidirectional swinging device comprises a linear adjusting assembly, a sliding block, an upper swinging beam, a lower swinging beam and a rotating rod, wherein the linear adjusting assembly is arranged on the bracket, the sliding block is slidably arranged on the linear adjusting assembly, the upper swinging beam is hinged to two sides of the upper end of the sliding block, the lower swinging beam is hinged to two sides of the lower end of the sliding block, and the upper swinging beam is in transmission connection with the lower swinging beam through a synchronous gear; clamping rods are arranged at the end parts of the upper swing beam and the lower swing beam; the rotating rod is rotatably arranged on the bracket and is positioned in the roller; one end of the rotating rod is connected with the transmission component, and the other end of the rotating rod is movably arranged in the upper swing beam through a roller.

Further, the transmission assembly comprises a driving gear, a transmission gear and a driven gear, and the driving gear and the transmission gear are connected through a shaft rod and can be rotatably positioned on the bracket; the driven gear is connected with the rotating rod through a transmission shaft and is in meshing transmission with the transmission gear; and one end in the roller is provided with an annular internal gear, and the annular internal gear is in meshing transmission with the driving gear.

Furthermore, the pushing device comprises an upper grooved wheel set, a lower grooved wheel set and a linkage belt wheel, wherein the upper grooved wheel set and the lower grooved wheel set are respectively rotatably arranged at the upper end and the lower end of the circular plate through support plates; the linkage belt wheels are respectively arranged at one ends of the upper grooved wheel set and the lower grooved wheel set and are in transmission connection through linkage belts; go up the grooved pulley group with the one end of transmission shaft is equipped with driving pulley, the last driving belt that has cup jointed of driving pulley.

Furthermore, an annular external gear is arranged on the outer side of one end of the roller, the driving part is a driving motor, the driving motor is arranged on the support, and the driving motor is in meshing transmission with the annular external gear through a gear.

Furthermore, the bidirectional cutting device comprises a linkage assembly, an upper cutting knife, a lower cutting knife and a reciprocating assembly, wherein the upper cutting knife and the lower cutting knife are respectively arranged at the upper end and the lower end of the circular plate in a sliding manner, and the upper cutting knife is connected with the lower cutting knife through the linkage assembly; the reciprocating assembly is arranged on the circular plate, and the linkage assembly is connected with the reciprocating assembly; a plurality of semicircular bulges are distributed in one end of the roller at intervals along the circumferential direction, and two ends of the reciprocating assembly are switched to be abutted against the semicircular bulges so that the roller drives the reciprocating assembly to reciprocate through rotation.

Furthermore, the linkage assembly comprises an oval rotary block, an upper connecting rod and a lower connecting rod, the reciprocating assembly comprises a positioning gear, a rectangular frame, a first push rod and a second push rod, the positioning gear is rotatably arranged at the center of the circular plate, the oval rotary block is fixedly connected to the positioning gear, one ends of the upper connecting rod and the lower connecting rod are respectively hinged to two ends of the oval rotary block, and the other ends of the upper connecting rod and the lower connecting rod are respectively hinged to the upper cutting knife and the lower cutting knife; the first push rod and the second push rod are connected to two sides of the rectangular frame, rolling parts are arranged at the end parts of the first push rod and the second push rod, and the rolling parts are in rolling contact with the semicircular bulges; the positioning gear is located in the rectangular frame, and one side of the rectangular frame is provided with a plurality of teeth meshed with the positioning gear.

Furthermore, an arc-shaped ventilation hood is arranged on the support and sleeved on the roller, and a plurality of air inlets are formed in the position, located on the arc-shaped ventilation hood, of the roller along the circumferential direction; the arc-shaped ventilation hood is connected with the blower.

Furthermore, a discharge inclined plate is arranged on the support and is positioned at the lower end of the discharge hole; and a material box is arranged on one side of the roller.

Further, the straight line adjusting part includes slip table and adjusting screw, the slip table connect in on the support, adjusting screw is rotatable to be located in the spout of slip table, the slider is located in the spout, the slider with adjusting screw threaded connection.

Compared with the prior art, the method has the following beneficial effects:

1. the bidirectional swinging device is arranged and is driven by combining the rotation of the roller to perform bidirectional swinging on the upper and lower plastic strips from the water cooling tank so as to spin-dry the water on the plastic strips, and the dehydration efficiency of the plastic strips is effectively improved; and through the linkage effect of the upper swing beam and the lower swing beam, the double rows of plastic strips can be simultaneously dried, and the plastic granulation efficiency is greatly improved.

2. Through setting up pusher, pusher follows two-way pendulous device and carries out synchronous motion under transmission assembly's drive to make the plastic strip follow two-way pendulous device and swing under pusher's propelling movement, with the swing of realization plastic strip in transportation process gets rid of water.

3. Through set up two-way cutting device on the plectane of the one end at the cylinder to rotate through the cylinder and drive the reciprocating motion subassembly and carry out reciprocating motion, thereby come the drive linkage subassembly to drive cut-off knife and cut-off knife down and come to cut the grain to upper and lower plastic strip, effectively improve the granulation efficiency of plastic machine.

4. Through setting up sharp adjusting device to adjust the position of slider on the slip table through adjusting screw, thereby adjust the swing angle of last pendulum roof beam and lower pendulum roof beam, realize the swing range regulation of last pendulum roof beam and lower pendulum roof beam with combining the bull stick, further improve the efficiency of getting rid of water with the swing range that increases the plastic strip.

5. By arranging the rotatable roller, the roller drives the bidirectional swinging device and the pushing device to move together through the transmission assembly in the rotating process so as to push and throw water to the upper and lower plastic strips; simultaneously, cylinder pivoted in-process drives two-way cutting device and cuts the grain to the plastic strip that the propelling movement was come, effectively improves plastic granulator's degree of automation and granulation efficiency, effectively reduces hand labor power, improves production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of a multi-station plastic pelletizer drum of the present application;

FIG. 2 is a schematic view of a multi-station pelletizer according to the present application;

FIG. 3 is a schematic view of a discharge chute of a multi-station pelletizer according to the present application;

FIG. 4 is a schematic view of a linkage assembly of a multi-station pelletizer in accordance with the present application;

FIG. 5 is a schematic view of a feeding mechanism of a multi-station pelletizer in accordance with the present application;

FIG. 6 is an enlarged view of a portion A of the pushing device of the present application;

FIG. 7 is a schematic cross-sectional view of a bi-directional cutting apparatus for a multi-station pelletizer in accordance with the present application;

FIG. 8 is a partially enlarged schematic view of a bi-directional cutting apparatus B according to the present application;

FIG. 9 is a schematic view of a bi-directional oscillating device of a multi-station pelletizer in accordance with the present application;

FIG. 10 is a schematic view of the reciprocating assembly of a multi-station pelletizer according to the present application;

FIG. 11 is an enlarged partial schematic view of a shuttle assembly C according to the present application;

FIG. 12 is a schematic view of the inside of a drum according to the present application;

fig. 13 is an axial view of the double-oscillating device of the present application.

Reference numerals: 1-a screw extrusion mechanism; 2-a conveying device; 3-a water cooling tank; 4-a scaffold; 5-a roller; 6-a transmission assembly; 7-a drive member; 8-circular plate; 9-a support plate; 10-an arc-shaped ventilation hood; 11-a discharge sloping plate; 12-a material box; 20-plastic strips; 21-a linear adjustment assembly; 22-a slide block; 23-upper swing beam; 24-a lower swing beam; 25-rotating rod; 26-a clamping bar; 27-a synchronizing gear; 28-a roller; 31-upper sheave group; 32-lower sheave group; 33-a linkage pulley; 34-a linkage belt; 35-a driving pulley; 36-a drive belt; 37-linked gear; 41-a linkage assembly; 42-upper cutter; 43-lower cutter; 44-a reciprocating assembly; 51-ring gear; 52-ring outer gear; 53-semicircular bulge; 54-air inlet; 61-a drive gear; 62-a drive gear; 63-a driven gear; 64-a drive shaft; 71-a discharge hole; 81-discharge hole; 211-a slide table; 212-adjusting screw; 411-oval turning block; 412-an upper link; 413-a lower link; 441-positioning gear; 442-a rectangular frame; 443-a first push rod; 444-second push rod; 445-rolling elements; 446-teeth.

Detailed Description

For a better understanding of the present invention, its structure, and the functional features and advantages attained by its structure, reference is made to the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings, in which:

example 1:

as shown in fig. 1 to 13, the present invention provides a multi-station plastic granulator, which comprises a screw extrusion mechanism 1 provided with two rows of extrusion outlets, a conveying device 2, a water cooling tank 3, a support 4, a roller 5, a bidirectional swing device, a pushing device and a bidirectional cutting device, wherein the screw extrusion mechanism 1 is a double row of extrusion outlets, and the extrusion outlets are divided into an upper extrusion outlet and a lower extrusion outlet; the discharge quantity is increased through double rows of extrusion ports; the conveying device 2 is arranged on one side of the spiral extrusion mechanism 1 and is positioned on one side of the water cooling tank 3; the conveying device 2 is positioned at the extrusion port to solve the problem that the plastic strip 20 extruded at high temperature sags after coming out of the upper extrusion port and the lower extrusion port to cause the deformation of the plastic strip 20, so that the problem of uneven grain size occurs; the bracket 4 is arranged on one side of the water cooling tank 3, and the water cooling tank 3 is of a double-layer structure so as to cool the plastic strips 20 of the upper extrusion opening and the lower extrusion opening by water; meanwhile, the double-layer water cooling tank 3 drives water to flow through a water pump so as to improve the cooling efficiency through flowing water; further, a guide wheel for guiding the plastic strip 20 is arranged in the water cooling tank 3, so that the extruded high-temperature plastic strip 20 can be guided to enter water for cooling.

The roller 5 is rotatably arranged on the bracket 4 through a driving part 7; further, the outer wall of the roller 5 is rotatably arranged on the bracket 4 through a ball bearing, so that the roller 5 is driven by the driving part 7 to rotate on the bracket 4; the bidirectional swinging device is arranged on the bracket 4 and positioned in the roller 5, and is in transmission connection with the roller 5 through the transmission assembly 6 so as to drive the bidirectional swinging device to spin-dry the plastic strips 20 through the rotation of the roller 5; the bracket 4 is provided with a circular plate 8 provided with a discharge hole 81, and the discharge holes are respectively positioned at the upper end and the lower end of the circular plate 8; the circular plate 8 is positioned in one end of the roller 5, and the pushing device is arranged on one surface of the circular plate 8 and positioned in the roller 5; the pushing device is connected with the transmission assembly 6 so as to drive the transmission assembly 6 to drive the pushing device to move through the rotation of the roller 5, and therefore the plastic strips 20 are output from the discharge port and are discharged to be cut into particles; the bidirectional cutting device is arranged at the other side of the circular plate 8, and the roller 5 is in rolling contact with the bidirectional cutting device, so that the roller 5 drives the bidirectional cutting device to reciprocate through rotation to cut the plastic strips 20 at intervals, and the effect of granulating is achieved.

The bidirectional swinging device is arranged and is driven by combining the rotation of the roller 5 to perform bidirectional swinging on the upper and lower plastic strips 20 from the water cooling tank 3, so as to spin dry the water on the plastic strips 20, and effectively improve the dehydration efficiency of the plastic strips 20; and through the linkage effect of the upper swing beam 23 and the lower swing beam 24, the double rows of plastic strips 20 can be simultaneously dried, and the plastic granulation efficiency is greatly improved.

By arranging the rotatable roller 5, the roller 5 drives the bidirectional swinging device and the pushing device to move together through the transmission assembly 6 in the rotating process so as to push and spin the upper and lower plastic strips 20; simultaneously, 5 pivoted in-process of cylinder drive two-way cutting device and cut grain to the plastics strip 20 that the propelling movement was come, effectively improve plastic granulator's degree of automation and granulation efficiency, effectively reduce hand labor power, improve production efficiency.

Specifically, the bidirectional swinging device comprises a linear adjusting assembly 21, a sliding block 22, an upper swinging beam 23, a lower swinging beam 24 and a rotating rod 25, wherein the linear adjusting assembly 21 is arranged on the support 4, the sliding block 22 is slidably arranged on the linear adjusting assembly 21, the upper swinging beam 23 is hinged to two sides of the upper end of the sliding block 22, the lower swinging beam 24 is hinged to two sides of the lower end of the sliding block 22, and the upper swinging beam 23 is in transmission connection with the lower swinging beam 24 through a synchronizing gear 27 so that the upper swinging beam 23 drives the lower swinging beam 24 to synchronously and reversely swing through the synchronizing gear 27 in the swinging process to swing and spin the upper and lower plastic strips 20; the end parts of the upper swing beam 23 and the lower swing beam 24 are provided with clamping rods 26, and the plastic strip 20 is positioned between the clamping rods 26, so that the clamping rods 26 can drive the plastic strip 20 to swing up and down along with the upper swing beam 23 and the lower swing beam 24 in the swinging process; the rotating rod 25 is rotatably arranged on the bracket 4 and is positioned in the roller 5; one end of the rotating rod 25 is connected with the transmission component 6, and the other end of the rotating rod 25 is movably arranged in the upper swing beam 23 through a roller 28; specifically, a limit groove is formed on the upper swing beam 23 on one side of the slider 22, and the roller 28 is located in the limit groove, so that the roller 28 rolls in the limit groove through the rotation of the rotating rod 25 to drive the upper swing beam 23 to rotate.

Specifically, the transmission assembly 6 comprises a driving gear 61, a transmission gear 62 and a driven gear 63, wherein the driving gear 61 and the transmission gear 62 are connected through a shaft rod, and the shaft rod is connected to the bracket 4 through a bearing, so that the driving gear 61 and the transmission gear 62 can be rotatably arranged on the bracket 4 and positioned in the roller 5; the driven gear 63 is connected with the rotating rod 25 through a transmission shaft 64, and the transmission shaft 64 is connected to the bracket 4 through a bearing; the driven gear 63 is in meshing transmission with the transmission gear 62; one end is equipped with ring gear 51 in the cylinder 5, and ring gear 51 and driving gear 61 meshing transmission to make cylinder 5 drive ring gear 51 through rotating and rotate the time, drive driving gear 61 rotates, thereby make drive gear 62 drive driven gear 63 and rotate, rotate with driving bull stick 25, thereby make gyro wheel 28 slide in the spacing inslot and drive the upper balance beam 23 and swing.

Specifically, the pushing device comprises an upper sheave group 31, a lower sheave group 32 and a linkage pulley 33, wherein the upper sheave group 31 and the lower sheave group 32 are respectively rotatably arranged at the upper end and the lower end of the circular plate 8 through the support plate 9; the upper sheave group 31 and the lower sheave group 32 both comprise an upper sheave and a lower sheave, one end of the upper sheave is in meshing transmission with the other end of the lower sheave through a linkage gear 37, so that the plastic strip 20 is pushed to advance through the simultaneous movement of the upper sheave and the lower sheave; the linkage belt wheel 33 is respectively arranged at one end of the upper sheave group 31 and one end of the lower sheave group 32, and the linkage belt wheel 33 is in transmission connection through a linkage belt 34 so as to enable the upper sheave group 31 and the lower sheave group 32 to synchronously move; one end of the upper sheave group 31 and the transmission shaft 64 is provided with a transmission belt wheel 35, and a transmission belt 36 is sleeved on the transmission belt wheel 35 to drive the upper sheave group 31 to rotate through the transmission assembly 6.

Through setting up pusher, pusher follows two-way pendulous device and carries out synchronous motion under drive assembly 6's drive to make plastic strip 20 follow two-way pendulous device and swing under pusher's propelling movement, with the swing of realization at plastic strip 20 in transportation process.

Specifically, an annular external gear 52 is arranged on the outer side of one end of the roller 5, the driving part 7 is a driving motor, the driving motor is arranged on the bracket 4, and the driving motor is in meshing transmission with the annular external gear 52 through a gear so as to drive the annular external gear 52 to rotate through the driving motor, so that the roller 5 is driven to rotate.

Specifically, the bidirectional cutting device comprises a linkage assembly 41, an upper cutting knife 42, a lower cutting knife 43 and a reciprocating assembly 44, wherein the upper cutting knife 42 and the lower cutting knife 43 are respectively arranged at the upper end and the lower end of the circular plate 8 in a sliding manner, and the upper cutting knife 42 is connected with the lower cutting knife 43 through the linkage assembly 41; the reciprocating assembly 44 is arranged on the circular plate 8, and the linkage assembly 41 is connected with the reciprocating assembly 44; along circumference interval equipartition in the one end of cylinder 5 is equipped with a plurality of semicircle archs 53, the both ends switching of reciprocal subassembly 44 and semicircle protruding 53 butt to make cylinder 5 drive reciprocal subassembly 44 through rotating and carry out reciprocating motion.

Specifically, the support 4 is provided with a discharge inclined plate 11, and the discharge inclined plate 11 is positioned at the lower end of the discharge hole 81 to guide the cut plastic particles to be discharged out of the roller 5, so as to reduce the time for the cut plastic particles to stay in the roller 5; the drum 5 is provided on one side with a bin 12 for collecting the plastic particles.

Example 2:

as shown in fig. 4, 8 and 11, in combination with the technical solution of embodiment 1, in this embodiment, the linkage assembly 41 includes an elliptical rotary block 411, an upper connecting rod 412 and a lower connecting rod 413, the reciprocating assembly 44 includes a positioning gear 441, a rectangular frame 442, a first push rod 443 and a second push rod 444, and the positioning gear 441 is rotatably disposed at the center of the circular plate 8 through a bearing; the oval rotary block 411 is fixedly connected to the positioning gear 441, so that the oval rotary block 411 can rotate along with the positioning gear 441; one end of the upper connecting rod 412 and one end of the lower connecting rod 413 are respectively hinged to two ends of the oval rotary block 411, and the other end of the upper connecting rod 412 and the other end of the lower connecting rod 413 are respectively hinged to the upper cutting knife 42 and the lower cutting knife 43, so that the oval rotary block 411 drives the upper cutting knife 42 and the lower cutting knife 43 to perform relative linear motion through an upper pull rod and a lower pull rod in the rotating process, and plastic strips 20 from the discharge holes 81 at the upper end and the lower end of the circular plate 8 are cut into particles; the first push rod 443 and the second push rod 444 are connected to both sides of the rectangular frame 442, and the first push rod 443 and the second push rod 444 are restricted by a restricting tube provided on the circular plate 8 so that the first push rod 443 and the second push rod 444 can perform linear motion; the end parts of the first push rod 443 and the second push rod 444 are provided with rolling components 445, and the rolling components 445 are in rolling contact with the semicircular bulges 53; rolling members 445 are rollers 28 or balls; further, the opposite direction of each semicircular projection 53 on the roller 5 is a groove, that is, the gap groove between two semicircular projections 53 is opposite to one semicircular projection 53, so that the first push rod 443 and the second push rod 444 are pushed to perform linear motion by the semicircular projections 53 in the rotating process of the roller 5, and the rectangular frame 442 is driven to perform reciprocating motion; the positioning gear 441 is positioned in the rectangular frame 442, one side of the rectangular frame 442 is provided with a plurality of teeth 446 meshed with the positioning gear 441, and the rectangular frame 442 realizes that the teeth 446 drive the positioning gear 441 to rotate positively and negatively through reciprocating motion, so that reciprocating up-and-down motion of the upper cutter 42 and the lower cutter 43 is controlled.

Through setting up pusher, pusher follows two-way pendulous device and carries out synchronous motion under drive assembly 6's drive to make plastic strip 20 follow two-way pendulous device and swing under pusher's propelling movement, with the swing of realization plastic strip 20 in transportation process.

Example 3:

as shown in fig. 5 and fig. 9, in combination with the technical solution of embodiment 2, in this embodiment, an arc-shaped ventilation hood 10 is provided on the bracket 4, the arc-shaped ventilation hood 10 is sleeved on the roller 5, and a plurality of air inlets 54 are provided along the circumferential direction at the position of the roller 5 on the arc-shaped ventilation hood 10; the arc-shaped ventilation hood 10 is connected with an air blower, the air blower conveys cold air into the arc-shaped ventilation hood 10 and enters the rotary drum 5 through an air inlet 54 which rotates to the arc-shaped ventilation hood 10 along with the rotary drum 5, so that the swinging plastic strips 20 are blown, the water evaporation on the surfaces of the plastic strips 20 is accelerated, and the dehydration and spin-drying efficiency of the plastic strips 20 is further improved; the water thrown out by the plastic strip 20 can be discharged into the recovery tank at the bottom of the bracket 4 when the water rotates to the bottom through the air inlet 54 on the roller 5.

Example 4:

as shown in fig. 7 and 13, in combination with the technical solution of embodiment 3, in this embodiment, the linear adjustment assembly 21 includes a sliding table 211 and an adjustment screw 212, the sliding table 211 is connected to the bracket 4, the adjustment screw 212 is rotatably disposed in a sliding slot of the sliding table 211 through a bearing, the slider 22 is disposed in the sliding slot, and the slider 22 is in threaded connection with the adjustment screw 212, so as to adjust the travel amount of the slider 22 in the sliding slot by rotating a rotating handle on the adjustment screw 212, thereby adjusting the swing angle of the upper swing beam 23 and the lower swing beam 24.

The position of the sliding block 22 on the sliding table 211 is adjusted through the adjusting screw 212 by arranging the linear adjusting device, so that the swing angles of the upper swing beam 23 and the lower swing beam 24 are adjusted, the swing amplitude adjustment of the upper swing beam 23 and the lower swing beam 24 is realized by combining the rotating rod 25, and the swing amplitude of the plastic strip 20 is increased to further improve the water throwing efficiency; specifically, the linear adjustment device adjusts the position of the slider 22 so that the upper swing beam 23 and the lower swing beam 24 do not interfere during the swing.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make many possible variations and modifications to the disclosed solution, or modify equivalent embodiments to equivalent variations, without departing from the scope of the claimed solution. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.

Claims

1. A multi-station plastic granulator is characterized by comprising a spiral extrusion mechanism (1) with double rows of extrusion ports, a conveying device (2), a water cooling tank (3), a support (4), a roller (5), a bidirectional swinging device, a pushing device and a bidirectional cutting device, wherein the conveying device (2) is arranged on one side of the spiral extrusion mechanism (1) and is positioned on one side of the water cooling tank (3); the support (4) is arranged on one side of the water cooling tank (3), and the roller (5) is rotatably arranged on the support (4) through a driving part (7); the bidirectional swinging device is arranged on the bracket (4) and positioned in the roller (5), and is in transmission connection with the roller (5) through a transmission assembly (6); a circular plate (8) provided with a discharge hole (81) is arranged on the support (4), the circular plate (8) is positioned in one end of the roller (5), the pushing device is arranged on the circular plate (8), and the pushing device is connected with the transmission assembly (6); the bidirectional cutting device is arranged on one side of the circular plate (8), and the roller (5) is abutted against the bidirectional cutting device, so that the roller (5) drives the bidirectional cutting device to cut plastic strips (20) into granules through rotation.

2. A multi-station plastic granulator according to claim 1, wherein the bidirectional swinging device comprises a linear adjusting assembly (21), a sliding block (22), an upper swinging beam (23), a lower swinging beam (24) and a rotating rod (25), the linear adjusting assembly (21) is arranged on the bracket (4), the sliding block (22) is slidably arranged on the linear adjusting assembly (21), the upper swinging beam (23) is hinged on two sides of the upper end of the sliding block (22), the lower swinging beam (24) is hinged on two sides of the lower end of the sliding block (22), and the upper swinging beam (23) and the lower swinging beam (24) are in transmission connection through a synchronizing gear (27); the end parts of the upper swing beam (23) and the lower swing beam (24) are provided with clamping rods (26); the rotating rod (25) is rotatably arranged on the bracket (4) and is positioned in the roller (5); one end of the rotating rod (25) is connected with the transmission component (6), and the other end of the rotating rod (25) is movably arranged in the upper swing beam (23) through a roller (28).

3. A multi-station plastic granulator according to claim 2, characterized in that the transmission assembly (6) comprises a driving gear (61), a transmission gear (62) and a driven gear (63), the driving gear (61) and the transmission gear (62) are connected by a shaft and rotatably arranged on the support (4); the driven gear (63) is connected with the rotating rod (25) through a transmission shaft (64), and the driven gear (63) is in meshing transmission with the transmission gear (62); one end is equipped with ring gear (51) in cylinder (5), ring gear (51) with driving gear (61) meshing transmission.

4. A multi-station plastic granulator according to claim 3, wherein the pushing device comprises an upper grooved wheel set (31), a lower grooved wheel set (32) and a linkage pulley (33), the upper grooved wheel set (31) and the lower grooved wheel set (32) are rotatably arranged at the upper and lower ends of the circular plate (8) respectively through a support plate (9); the linkage belt wheel (33) is respectively arranged at one end of the upper grooved wheel set (31) and one end of the lower grooved wheel set (32), and the linkage belt wheel (33) is in transmission connection through a linkage belt (34); and one end of the upper grooved pulley group (31) and one end of the transmission shaft (64) are provided with a transmission belt pulley (35), and a transmission belt (36) is sleeved on the transmission belt pulley (35).

5. A multi-station plastic granulator according to claim 1, characterized in that an external circular gear (52) is arranged on the outer side of one end of the drum (5), the driving part (7) is a driving motor which is arranged on the bracket (4), and the driving motor is in meshing transmission with the external circular gear (52) through a gear.

6. A multi-station plastic granulator according to claim 1, characterized in that the bidirectional cutting device comprises a linkage assembly (41), an upper cutter (42), a lower cutter (43) and a reciprocating assembly (44), the upper cutter (42) and the lower cutter (43) are respectively slidably arranged at the upper end and the lower end of the circular plate (8), and the upper cutter (42) is connected with the lower cutter (43) through the linkage assembly (41); the reciprocating assembly (44) is arranged on the circular plate (8), and the linkage assembly (41) is connected with the reciprocating assembly (44); a plurality of semicircular bulges (53) are uniformly distributed in one end of the roller (5) at intervals along the circumferential direction, and the two ends of the reciprocating component (44) are switched to be abutted against the semicircular bulges (53), so that the roller (5) drives the reciprocating component (44) to perform reciprocating motion through rotation.

7. A multi-station plastic granulator according to claim 6, wherein the linkage assembly (41) comprises an oval rotary block (411), an upper connecting rod (412) and a lower connecting rod (413), the reciprocating assembly (44) comprises a positioning gear (441), a rectangular frame (442), a first push rod (443) and a second push rod (444), the positioning gear (441) is rotatably arranged at the center of the circular plate (8), the oval rotary block (411) is fixedly connected to the positioning gear (441), one end of the upper connecting rod (412) and one end of the lower connecting rod (413) are respectively hinged to two ends of the oval rotary block (411), and the other end of the upper connecting rod (412) and the other end of the lower connecting rod (413) are respectively hinged to the upper cutting knife (42) and the lower cutting knife (43); the first push rod (443) and the second push rod (444) are connected to two sides of the rectangular frame (442), a rolling component (445) is arranged at the end part of the first push rod (443) and the second push rod (444), and the rolling component (445) is in rolling contact with the semicircular bulge (53); the positioning gear (441) is positioned in the rectangular frame (442), and one side of the rectangular frame (442) is provided with a plurality of teeth (446) meshed with the positioning gear (441).

8. A multi-station plastic granulator according to claim 1, characterized in that the bracket (4) is provided with an arc-shaped ventilation hood (10), the arc-shaped ventilation hood (10) is sleeved on the roller (5), and the roller (5) is provided with a plurality of air inlets (54) along the circumferential direction at the arc-shaped ventilation hood (10); the arc-shaped ventilation hood (10) is connected with the air blower.

9. A multi-station plastic granulator as claimed in any of claims 1 to 8, characterized in that the support (4) is provided with a sloping discharge plate (11), the sloping discharge plate (11) being located at the lower end of the discharge hole (81); a material box (12) is arranged on one side of the roller (5).

10. The multi-station plastic granulator according to claim 1, wherein the linear adjusting assembly (21) comprises a sliding table (211) and an adjusting screw (212), the sliding table (211) is connected to the bracket (4), the adjusting screw (212) is rotatably arranged in a sliding groove of the sliding table (211), the sliding block (22) is arranged in the sliding groove, and the sliding block (22) is in threaded connection with the adjusting screw (212).