阅读说明：本技术 一种abs改性塑料颗粒的制备工艺 (Preparation process of ABS modified plastic particles ) 是由 张炜 于 2021-09-03 设计创作，主要内容包括：本发明涉及塑料制备技术领域,尤其是一种ABS改性塑料颗粒的制备工艺,该制备工艺包括以下步骤：步骤一、塑料成型挤出：将ABS改性塑料颗粒制备的原料加入塑料制备装置,随原料进行融化和挤出,挤出后的塑料呈条形,完成塑料的初步成型；步骤二、挤出塑料条的冷却：挤出后的塑料条通过塑料制备装置内部,塑料制备装置内部设有冷却水,对挤出后的塑料条及时进行冷却定型。此装置通过变速牵引装置的设置,使得装置能够配合塑料条的挤出速度进行速度的变化,使得塑料条的牵引速度与挤出速度相配合,从而有利于避免牵引速度大于挤出速度造成塑料条的拉扯和断裂,从而有利于塑料颗粒制备的完整进行,同时有利于塑料颗粒的均匀切割。(The invention relates to the technical field of plastic preparation, in particular to a preparation process of ABS modified plastic particles, which comprises the following steps: step one, plastic molding extrusion: adding raw materials prepared from ABS modified plastic particles into a plastic preparation device, melting and extruding the raw materials, wherein the extruded plastic is strip-shaped, and finishing the primary molding of the plastic; step two, cooling the extruded plastic strip: the extruded plastic strip passes through the interior of the plastic preparation device, and cooling water is arranged in the plastic preparation device to cool and shape the extruded plastic strip in time. This device is through variable speed draw gear's setting for the device can cooperate the extrusion speed of plastic strip to carry out the change of speed, makes the traction speed and the extrusion speed of plastic strip cooperate, thereby is favorable to avoiding traction speed to be greater than the extrusion speed and causes dragging and the fracture of plastic strip, thereby is favorable to the complete of plastic granules preparation to go on, is favorable to the even cutting of plastic granules simultaneously.)

1. A preparation process of ABS modified plastic particles is characterized by comprising the following steps:

step one, plastic molding extrusion: adding raw materials prepared from ABS modified plastic particles into a plastic preparation device, melting and extruding the raw materials, wherein the extruded plastic is strip-shaped, and finishing the primary molding of the plastic;

step two, cooling the extruded plastic strip: the extruded plastic strip passes through the interior of the plastic preparation device, cooling water is arranged in the plastic preparation device, and the extruded plastic strip is cooled and shaped in time, so that the extruded plastic strip is further molded and can bear pulling to a certain degree in the preparation process;

step three, traction cutting of the plastic strip: the plastic strip after cooling and shaping is dragged by the plastic preparation device to drive the plastic strip to move, the plastic preparation device adjusts the speed along with the extrusion speed of the plastic strip, so that the plastic strip is completely conveyed to the tail end of the plastic preparation device to be uniformly cut, the cutting speed changes along with the speed of the plastic strip which is dragged to move, and uniform preparation of the ABS modified plastic particles is completed;

wherein, the plastic preparation device in the first step to the third step comprises a plastic extruder (1), a cooling water tank (2) is fixed at the bottom of the output end of the plastic extruder (1), the output end of the plastic extruder (1) is positioned above the cooling water tank (2), an arc-shaped guide plate (3) is fixed at one end, close to the plastic extruder (1), in the cooling water tank (2), an output end separation device is installed at the top of the cooling water tank (2), the output end separation device is positioned right above the arc-shaped guide plate (3), the output end separation device separates plastic strips extruded by the plastic extruder (1) from top to bottom, two first rotating rollers (4) are rotatably installed at the other end in the cooling water tank (2), and a cutting table (5) is fixed at one end, far away from the plastic extruder (1), of the top of the cooling water tank (2), the top of cutting table (5) is installed variable speed draw gear, variable speed draw gear adjusts the pulling speed of plastic strip after plastics extruder (1) extrusion speed changes, the top of cutting table (5) still is connected with cuts grain device.

2. The preparation process of the ABS modified plastic particles as claimed in claim 1, wherein the output end separation device comprises two third mounting frames (26), the two third mounting frames (26) are symmetrically fixed on two sides of the cooling water tank (2), and a plurality of rotating pipes (32) corresponding to the output end of the plastic extruder (1) are rotatably mounted between the two third mounting frames (26).

3. The preparation process of the ABS modified plastic particles as claimed in claim 2, wherein the variable speed traction device comprises a lifting groove (6), second springs (19), a first mounting rack (14) and two second mounting racks (22), the lifting groove (6) is arranged at one end of the cutting rack (5) facing the plastic extruder (1), a plurality of first springs (7) are fixed in the lifting groove (6) in an array manner, an arc-shaped lifting plate (8) is fixed at one end of each first spring (7) facing away from the lifting groove (6) together, the two second mounting racks (22) are symmetrically fixed at two sides of the cutting rack (5), two second rotating rollers (23) located on the same vertical plane are connected between the two second mounting racks (22) in a rotating manner together, and first gears (24) are fixed at two ends of the two second rotating rollers (23), adjacent intermeshing between first gear (24), below first gear (24) one side coaxial fastening that dorsad second live-rollers (23) is equipped with second gear (25), one side of cutting bed (5) is fixed in first mounting bracket (14), one side of cutting bed (5) dorsad first mounting bracket (14) is fixed with motor (15) through the fix with screw, the output shaft of motor (15) runs through first mounting bracket (14) back fixedly connected with first pivot (11), the inside of cutting bed (5) is located in to the rotation of one end of first pivot (11) dorsad motor (15), the outer lane array of first pivot (11) is fixed with spacing strip (13), the outer lane sliding sleeve of first pivot (11) is equipped with rotating frame body (18) with spacing strip (13) sliding fit, the inner wall array of rotating frame body (18) is fixed with second meshing tooth (21), the second meshing teeth (21) are meshed with the second gear (25), the second spring (19) is fixed between the rotating frame body (18) and the first mounting frame (14), and a variable speed adjusting mechanism is installed between the rotating frame body (18) and the arc-shaped lifting plate (8).

4. The preparation process of the ABS modified plastic particles as claimed in claim 3, wherein the variable speed adjusting mechanism comprises a moving bar (9), a rotating table (16) and a plurality of first engaging teeth (20), the moving bar (9) is fixed at one end of the arc-shaped lifting plate (8) facing the rotating frame (18), a second sliding groove (12) is formed in the moving bar (9) in a penetrating manner, the first rotating shaft (11) penetrates through the second sliding groove (12), an inclined groove (10) is formed in one side of the moving bar (9) facing the rotating frame (18), the rotating table (16) is coaxially fixed in the rotating frame (18), the rotating table (16) is slidably sleeved on the outer ring of the first rotating shaft (11), an inclined surface (17) matched with the inclined groove (10) is formed in the edge of one end of the rotating table (16) facing the moving bar (9), all the first meshing teeth (20) are symmetrically arrayed and fixed on the inner wall of the rotating frame body (18), and the first meshing teeth (20) are fixedly connected with the adjacent second meshing teeth (21).

5. The preparation process of the ABS modified plastic particles as claimed in claim 3, wherein a first inner cavity (27) is formed in the third mounting frame (26) on one side, a water pump (28) is fixedly mounted in the first inner cavity (27), a first connecting pipe (29) is fixedly communicated with an input end of the water pump (28), one end of the first connecting pipe (29) facing away from the water pump (28) is fixedly communicated with the inside of the cooling water tank (2), a second connecting pipe (30) is fixedly communicated with an output end of the water pump (28), a second inner cavity (31) is formed in the third mounting frame (26), one end of the second connecting pipe (30) facing away from the water pump (28) is fixedly communicated with the inside of the second inner cavity (31), the inside of the second inner cavity (31) is communicated with the inside of the rotating pipe (32), and a plurality of nozzles (33) distributed in an annular array are fixedly communicated with two ends of all the rotating pipe (32), the output end of the spray head (33) faces the middle part of the rotating pipe (32).

6. The preparation process of ABS modified plastic granules according to claim 5, characterized in that, all the one ends of the rotating pipes (32) close to the second inner cavity (31) are fixed with a plurality of arc-shaped fan blades (34) in an array, the same group of arc-shaped fan blades (34) are all provided with a water outlet tank (35) above, the water outlet tank (35) is fixed on the side wall of the third mounting frame (26) and communicated with the second inner cavity (31), the outside of the bottom of the water outlet tank (35) is sleeved with a shielding frame (36), the shielding frame (36) is fixedly connected with the side wall of the third mounting frame (26), the arc-shaped fan blades (34) are located inside the third mounting frame (26), and the rotating pipes (32) penetrate through the shielding frame (36).

7. The preparation process of ABS modified plastic granules as claimed in claim 3, wherein the granule cutting device comprises two third gears (37), two first support frames (41), and a second support frame (44), the two third gears (37) are respectively rotatably connected to opposite sides of the two second mounting frames (22), the third gears (37) are engaged with the adjacent first gears (24), output shafts of the two third gears (37) respectively penetrate through the two second mounting frames (22) and extend out to be fixed with rotating discs (38), opposite sides of the two rotating discs (38) are respectively eccentrically fixed with second rotating shafts (39), the two first support frames (41) are respectively fixedly connected to two sides of the cutting table (5), and the two first support frames (41) are respectively located on one side of the two second mounting frames (22) facing away from the plastic extruder (1), the top of two first support frames (41) is fixed with a third rotating shaft (42), the outer ring of the two third rotating shafts (42) is rotatably sleeved with a connecting rod (40), the inside of the two connecting rods (40) is penetrated and provided with waist grooves (49), the two second rotating shafts (39) are respectively inserted in the two waist grooves (49) in a sliding manner, two fan-shaped racks (43) are fixed at the ends of the connecting rods (40) back to the first gear (24), the second support frames (44) are fixedly connected at the top of the cutting table (5), the second support frames (44) are positioned at one sides of the first support frames (41) back to the plastic extruder (1), first sliding grooves (45) are penetrated and provided at the two ends of the second support frames (44), a mounting plate (47) is connected between the first sliding grooves (45) in a sliding manner, a cutter (46) is installed at the bottom of the mounting plate (47), two first chutes (45) are respectively penetrated at two ends of the mounting plate (47) and a rack (48) is fixed on the mounting plate, and the rack (48) is meshed with the sector rack (43).

Technical Field

The invention relates to the field of plastic preparation, in particular to a preparation process of ABS modified plastic particles.

Background

Plastics are important organic synthetic polymer materials and are widely applied. The BS resin is acrylonitrile-butadiene-styrene copolymer, ABS for short, is a large amount of general resin, belongs to engineering plastics after being modified to improve the performance, has large yield and various types of ABS alloy and wide application, and is the main modified plastic.

The prior art discloses an invention patent in the aspect of partial plastic preparation, and a Chinese patent with the application number of 201620996333.9, and discloses a granulator for preparing plastic particles. The drying device comprises a shell and a blower, wherein an air inlet and an air outlet are respectively formed in the shell, and the blower is arranged outside the air inlet of the shell. The water cooling device comprises a water tank filled with cooling water, and a water inlet pipe and a water outlet pipe are respectively arranged on the water tank. The cutting device comprises a movable knife, a fixed knife and a motor, and the motor is in transmission connection with the movable knife. The guiding device comprises a plurality of guide rollers, rubber rollers and traction rollers, the guide rollers are sequentially arranged on the bearing platform, the drying device and the water cooling device, and the traction rollers and the rubber rollers are both positioned on the bearing platform.

The prior art is when carrying out the preparation of ABS modified plastic granules, mostly extrude the plastic strip through the extruder earlier, and make the plastic strip carry out the cooling solidification through the cooling trough, cut through pulling afterwards, however the plastics extruder probably has unstable condition when extruding the plastic strip, make the extrusion speed of plastic strip be difficult to completely even, thereby lead to the plastic strip can produce at the in-process of being pulled and pull, plastics receive to pull the one end that the plastic strip did not get into the cooling trough after pulling, thereby lead to the plastic strip to have the condition of pulling deformation and fracture, thereby lead to preparing fashioned plastic granules size inhomogeneous. Therefore, the invention provides a preparation process of ABS modified plastic particles, which is used for solving the problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a preparation process of ABS modified plastic particles.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a preparation process of ABS modified plastic particles is characterized by comprising the following steps:

step one, plastic molding extrusion: adding raw materials prepared from ABS modified plastic particles into a plastic preparation device, melting and extruding the raw materials, wherein the extruded plastic is strip-shaped, and finishing the primary molding of the plastic;

step two, cooling the extruded plastic strip: the extruded plastic strip passes through the interior of the plastic preparation device, cooling water is arranged in the plastic preparation device, and the extruded plastic strip is cooled and shaped in time, so that the extruded plastic strip is further molded and can bear pulling to a certain degree in the preparation process;

step three, traction cutting of the plastic strip: the plastic strip after cooling and shaping is dragged by the plastic preparation device to drive the plastic strip to move, the plastic preparation device adjusts the speed along with the extrusion speed of the plastic strip, so that the plastic strip is completely conveyed to the tail end of the plastic preparation device to be uniformly cut, the cutting speed changes along with the speed of the plastic strip which is dragged to move, and uniform preparation of the ABS modified plastic particles is completed;

wherein, the plastic preparation device in the first step to the third step comprises a plastic extruder, a cooling water tank is fixed at the bottom of the output end of the plastic extruder, the output end of the plastic extruder is positioned above the cooling water tank, an arc-shaped guide plate is fixed at one end of the inside of the cooling water tank close to the plastic extruder, an output end separation device is installed at the top of the cooling water tank and is positioned right above the arc-shaped guide plate, the plastic strips extruded by the plastic extruder are separated up and down by the output end separation device, two first rotating rollers are rotatably installed at the other end of the inside of the cooling water tank, a cutting table is fixed at one end of the top of the cooling water tank far away from the plastic extruder, a variable speed traction device is installed at the top of the cutting table, and the variable speed traction device adjusts the traction speed of the plastic strips after the extrusion speed of the plastic extruder changes, the top of the cutting table is also connected with a granulating device; during operation, in the prior art, when preparing ABS modified plastic particles, plastic strips are mostly extruded through an extruder, and are cooled and solidified through a cooling water tank, and are then cut by traction, however, the plastic extruder may have unstable conditions when extruding the plastic strips, so that the extrusion speed of the plastic strips is difficult to be completely uniform, thereby causing the plastic strips to be dragged in the process of being dragged, the plastic strips are dragged after being dragged, and do not enter one end of the cooling water tank, thereby causing the plastic strips to have the conditions of dragging deformation and fracture, thereby causing the size of the plastic particles to be non-uniform, the technical scheme can solve the above problems, and the specific implementation mode is as follows, the plastic extruder can process raw materials for preparing the plastic, extrude the processed raw materials, and cause the plastic to be extruded in the form of the plastic strips, the output end separation device can vertically separate the plastic strips extruded by the plastic extruder, the plastic strips are prevented from being sticky after being close to each other, cooling water is contained in the cooling water tank, the extruded plastic strips are cooled and formed after passing through the cooling water in the cooling water tank, the arc guide plate can guide the extruded plastic strips, the plastic strips enter the lower part of the first rotating roller along the arc guide plate, the first rotating roller downwards presses the extruded plastic strips into the cooling water, so that the plastic strips are favorably and fully cooled, the cutting table can mount the variable-speed traction device, the variable-speed traction device can be matched with the extrusion speed of the plastic strips to change the speed, the traction speed of the plastic strips is matched with the extrusion speed, and the plastic strips are favorably prevented from being pulled and broken due to the fact that the traction speed is greater than the extrusion speed, the integrity of the plastic strip is maintained, excessive pulling deformation is avoided, so that the preparation of the plastic particles is completely carried out, and meanwhile, the plastic strip is uniformly cut, so that the formed plastic particles are more uniform.

Preferably, the output end separation device comprises two third mounting frames, the two third mounting frames are symmetrically fixed on two sides of the cooling water tank, and a plurality of rotating pipes corresponding to the output end of the plastic extruder are rotatably mounted between the two third mounting frames; the during operation, the third mounting bracket can be installed the rotating tube, and the rotating tube supports the plastic strip of extruding for the plastic strip that the hole of extruding of co-altitude not extruded can separate each other, thereby makes the device can extrude multiunit plastic strip simultaneously, and is favorable to avoiding gluing each other between the plastic strip of co-altitude not and influences the preparation of plastic granules.

Preferably, the variable speed traction device comprises a lifting groove, a plurality of first springs, a first mounting frame and two second mounting frames, the lifting groove is arranged at one end, facing the plastic extruder, of the cutting table, the plurality of first springs are fixed in the inner array of the lifting groove, an arc-shaped lifting plate is fixed at one end, facing away from the lifting groove, of all the first springs, the two second mounting frames are symmetrically fixed at two sides of the cutting table, two second rotating rollers located on the same vertical plane are connected between the two second mounting frames in a rotating mode, first gears are fixed at two ends of the two second rotating rollers, adjacent first gears are meshed with each other, a second gear is coaxially fixed at one side, facing away from the second rotating rollers, of the first gear, the first mounting frame is fixed at one side of the cutting table, and a motor is fixed at one side, facing away from the cutting table, of the first mounting frame through screws, the output shaft of the motor penetrates through the first mounting frame and then is fixedly connected with a first rotating shaft, one end, facing away from the motor, of the first rotating shaft is rotatably inserted into the cutting table, a limiting strip is fixed on the outer ring array of the first rotating shaft, a rotating frame body in sliding fit with the limiting strip is slidably sleeved on the outer ring of the first rotating shaft, second meshing teeth are fixed on the inner wall array of the rotating frame body and meshed with a second gear, a second spring is fixed between the rotating frame body and the first mounting frame, and a variable speed adjusting mechanism is installed between the rotating frame body and the arc-shaped lifting plate; when the lifting device works, the arc-shaped lifting plate can be inserted and installed in the lifting groove, meanwhile, a yielding space is provided for downward movement of the arc-shaped lifting plate after being extruded, the first spring can provide support for the arc-shaped lifting plate, so that the supporting force of the first spring on the arc-shaped lifting plate is balanced with the force applied to the arc-shaped lifting plate when the plastic strips are normally pulled, the first mounting frame can install the motor, the motor can drive the first rotating shaft to rotate through the output shaft after being started, the first rotating shaft drives the limiting strips to rotate, the sliding fit of the limiting strips and the rotating frame body enables the rotating frame body to slide on the surface of the first rotating shaft along with the rotation of the limiting strips, the second spring elastically supports the rotating frame body, the rotating frame body drives the second meshing teeth to rotate after rotating, the second meshing teeth drive the second gear meshed with the second meshing teeth to rotate, and the second mounting frame can support and install the second rotating roller, the second gear can drive the first gear which is coaxially fixed with the second gear to rotate after rotating, the first gear drives another first gear which is meshed with the first gear to rotate, the two first gears drive the second rotating roller which is fixed with the second gear to rotate after rotating, the plastic strip is pulled in the rotating process of the second rotating roller so as to drive the plastic strip to move, when the pulling speed is higher than the extrusion speed, the plastic strip is pulled, the pulled plastic strip can extrude the arc-shaped lifting plate, the arc-shaped lifting plate extrudes the first spring and then moves downwards, the variable speed adjusting mechanism is driven to reduce the rotating speed of the second gear and reduce the pulling speed, so that the device can adjust the pulling speed according to the change of the extrusion speed while pulling the plastic strip, the plastic strip is prevented from being pulled and broken due to the fact that the pulling speed is higher than the extrusion speed, and the integrity of the plastic strip in the pulling process is protected, is favorable for the smooth preparation of plastic particles.

Preferably, the variable speed adjusting mechanism comprises a moving strip, a rotating table and a plurality of first meshing teeth, the moving strip is fixed at one end, facing the rotating frame body, of the arc-shaped lifting plate, a second sliding groove is formed in the moving strip in a penetrating mode, the first rotating shaft penetrates through the second sliding groove, an inclined groove is formed in one side, facing the rotating frame body, of the moving strip, the rotating table is coaxially fixed in the rotating frame body, the rotating table is sleeved on the outer ring of the first rotating shaft in a sliding mode, an inclined plane matched with the inclined groove is formed in the edge, facing the moving strip, of one end of the rotating table, all the first meshing teeth are symmetrically arrayed and fixed on the inner wall of the rotating frame body, and the first meshing teeth are fixedly connected with the adjacent second meshing teeth; when the plastic strip traction device works, the arc-shaped lifting plate moves downwards to drive the moving strip to move downwards, the second sliding groove can provide a yielding space for the first rotating shaft in the moving process of the moving strip, the moving strip moves downwards to drive the inclined groove to move and extrude the inclined surface, the inclined surface pushes the rotating table to slide along the first rotating shaft after being extruded, the rotating table drives the rotating frame body fixed with the rotating table to slide after sliding, the rotating frame body drives the first meshing teeth and the second meshing teeth to synchronously move, after the first meshing teeth and the second meshing teeth synchronously move, the second meshing teeth lose meshing with the second gear, meanwhile, the first meshing teeth are meshed with the second gear, the first meshing teeth are symmetrically arranged, and the middle part of the first meshing teeth is provided with a neutral position, so that the first meshing teeth can intermittently rotate when driving the second gear to rotate, the rotating speed of the second gear is reduced, and the plastic strip traction speed is favorably reduced, after dragging of receiving of plastic strip disappears, the second gear promotes the arc lifter plate and resets and drive the removal strip and reset, and the second spring promotes to rotate the framework simultaneously and slides along first pivot and resets for the second meshing tooth resumes with the meshing of second gear, and traction speed resumes, thereby makes the device can cooperate the change of extrusion speed to adjust traction speed, thereby is favorable to avoiding that traction speed is greater than the fracture of dragging that causes the plastic strip behind the extrusion speed.

Preferably, a first inner cavity is formed in the third mounting frame on one side, a water pump is fixedly mounted in the first inner cavity, a first connecting pipe is fixedly communicated with an input end of the water pump, one end of the first connecting pipe, which faces away from the water pump, is fixedly communicated with the inside of the cooling water tank, a second connecting pipe is fixedly communicated with an output end of the water pump, a second inner cavity is formed in the third mounting frame, one end of the second connecting pipe, which faces away from the water pump, is fixedly communicated with the inside of the second inner cavity, the inside of the second inner cavity is communicated with the inside of the rotating pipe, a plurality of nozzles distributed in an annular array are fixedly communicated with two ends of all the rotating pipes, and output ends of the nozzles face the middle of the rotating pipe; the during operation, the plastic strip can be difficult to avoid pulling the plastic strip itself in the in-process that the extrusion promoted arc lifter plate, make the plastic strip still can have slight pulling, influence the degree of consistency of plastic strip, this technical scheme can solve above problem, the concrete implementation mode is as follows, the second inner chamber can provide the space for the installation of water pump, the water pump can drive cooling water to pass through the water pump along first connecting pipe and carry to the inside of second inner chamber along the second connecting pipe, after the inside certain water level that reachs of second inner chamber, cooling water flows along the rotating tube, the inside rivers that get into the rotating tube pass through the shower nozzle blowout, the shower nozzle spouts rivers to the middle part of rotating tube, make the rivers spray on the surface of the plastic strip that extrudes, carry out preliminary cooling design to the plastic strip, thereby make the plastic strip that extrudes can bear slight pulling, thereby be favorable to avoiding the plastic strip in-process that the extrusion promotes arc lifter plate to drag and cause the thickness of plastic strip inhomogeneous, thereby facilitating the uniform cutting of the plastic strip.

Preferably, a plurality of arc-shaped fan blades are fixed to one end, close to the second inner cavity, of each rotating tube in an array mode, a water outlet tank is arranged above the arc-shaped fan blades in the same group, the water outlet tank is fixed to the side wall of the third mounting frame and communicated with the second inner cavity, a shielding frame is sleeved outside the bottom of the water outlet tank and fixedly connected with the side wall of the third mounting frame, the arc-shaped fan blades are located inside the third mounting frame, and the rotating tubes penetrate through the shielding frame; when the plastic strip extruding machine works, the rotating pipe cannot rotate actively in the process that the plastic strip passes through the rotating pipe, so that the plastic strip can easily fall downwards between the rotating pipe and the plastic extruding machine, and mutual adhesion between the plastic strips can be caused, the technical scheme can solve the problems and has the following specific implementation mode that after the water level in the second inner cavity reaches the height of the water outlet tank, water flows downwards along the output end of the water outlet tank, the downwards flowing water impacts the top of the arc-shaped fan blade to drive the arc-shaped fan blade to rotate downwards, the shielding frame can protect the arc-shaped fan blade and prevent the water from splashing around when impacting the arc-shaped fan blade, so that the water flow is prevented from being disordered, the arc-shaped fan blade drives the rotating pipe to rotate after rotating, the rotating pipe plays a role of conveying the extruded plastic strip forwards after rotating, and the plastic strip rotating pipe and the plastic extruding machine are prevented from falling downwards, is favorable for avoiding the mutual contact between the plastic strips to cause the sticking.

Preferably, the granulating device comprises two third gears, two first supporting frames and two second supporting frames, the two third gears are respectively rotatably connected to opposite sides of the two second mounting frames, the third gears are meshed with the adjacent first gears, output shafts of the two third gears respectively penetrate through the two second mounting frames and extend out to be fixed with rotating discs, opposite sides of the two rotating discs are respectively and eccentrically fixed with second rotating shafts, the two first supporting frames are respectively and fixedly connected to two sides of the cutting table, the two first supporting frames are respectively positioned on one sides of the two second mounting frames facing away from the plastic extruder, the tops of the two first supporting frames are respectively and fixedly provided with third rotating shafts, outer rings of the two third rotating shafts are respectively and rotatably sleeved with connecting rods, waist grooves are respectively formed in the two connecting rods in a penetrating mode, and the two second rotating shafts are respectively and slidably inserted into the two waist grooves, fan-shaped racks are fixed at one ends of the two connecting rods, which are back to the first gear, the second support frame is fixedly connected to the top of the cutting table, the second support frame is positioned at one side of the first support frame, which is back to the plastic extruder, first sliding grooves are formed in both ends of the second support frame in a penetrating manner, a mounting plate is connected between the two first sliding grooves in a sliding manner, a cutter is mounted at the bottom of the mounting plate, racks are fixed at both ends of the mounting plate, which penetrate through the two first sliding grooves, respectively, and the racks are meshed with the fan-shaped racks; when the device works, after the traction speed of the plastic strips changes, the speed of the plastic strips changes, if the device cuts through a cutter for uniform cutting, the cutting of plastic particles can be uneven, the technical scheme can solve the problems, and the specific implementation mode is as follows, a first gear rotates to drive a third gear meshed with the first gear to rotate, a third gear rotates to drive a rotating disc to rotate, the rotating disc rotates to drive a second rotating shaft to rotate along with the rotating disc, a first support frame can fixedly install the third rotating shaft, the third rotating shaft can determine a central shaft when the connecting rod rotates to enable the connecting rod to turn around the third rotating shaft, the second rotating shaft is inserted into the waist groove to drive one end of the waist groove to turn up and down, one end of the waist groove turns up and down to drive a fan-shaped rack fixed at the other end to turn up and down, and the fan-shaped rack turns up and down to drive a rack meshed with the fan-shaped rack to move up and down, the rack drives the mounting panel and reciprocates, the mounting panel can be installed the cutter, the second support frame can carry out spacing installation to the mounting panel, first spout can provide the space of stepping down for reciprocating of mounting panel, thereby make and to drive the cutter in step after the first gear revolve and reciprocate the cutting that carries out plastics, second live-rollers rotates with first gear is synchronous, make the cutter can be along with the change of the rotational speed of second live-rollers about carrying out cutting speed, thereby be favorable to the cutter to the even cutting of plastic strip, be favorable to the even preparation of plastic granules.

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

1. according to the invention, through the arrangement of the variable-speed traction device, the device can be matched with the extrusion speed of the plastic strip to change the speed, so that the traction speed of the plastic strip is matched with the extrusion speed, the plastic strip is prevented from being pulled and broken due to the fact that the traction speed is higher than the extrusion speed, the integrity of the plastic strip is maintained, excessive pulling deformation is avoided, the plastic particle preparation is facilitated, the plastic strip is uniformly cut, and the formed plastic particles are more uniform.

2. According to the invention, through the arrangement of the arc-shaped lifting plate, the moving strip and the rotating frame body, the arc-shaped lifting plate moves downwards after being extruded by the plastic strip, so that the position of the rotating frame body is driven to change, the variable speed adjustment of the starting device is further realized, the rotating speed of the second gear is reduced, the reduction of the traction speed of the plastic strip is facilitated, and the traction speed is recovered after the plastic strip is pulled and disappears, so that the device can adjust the traction speed in coordination with the change of the extrusion speed, and the plastic strip is prevented from being pulled and broken after the traction speed is higher than the extrusion speed.

3. According to the invention, through the arrangement of the first connecting pipe and the water pump, the device can vertically separate the extruded plastic strips, and simultaneously, the extruded plastic strips are preliminarily cooled in time, so that the plastic strips can bear slight pulling, and the thickness unevenness of the plastic strips caused by pulling in the process of extruding and pushing the arc-shaped lifting plate by the plastic strips can be avoided, thereby being beneficial to the uniform cutting of the plastic strips.

4. According to the invention, through the arrangement of the rack and the connecting rod, the cutting speed of the device can be adjusted along with the change of the traction speed, so that the plastic strip can be uniformly cut by the cutter, and the plastic particles can be uniformly prepared.

Drawings

FIG. 1 is a schematic process flow diagram of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 2;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 2 at C;

FIG. 6 is a schematic structural view of the present invention after rotating the frame body;

FIG. 7 is an enlarged view of a portion of the structure of FIG. 6 at D in accordance with the present invention;

FIG. 8 is a cross-sectional view of the sink and the third mounting bracket of the present invention;

FIG. 9 is an enlarged view of a portion of the structure of FIG. 8 at E in accordance with the present invention;

FIG. 10 is a schematic view of the cutting table and first mounting bracket of the present invention shown in cross-section with the frame rotated;

FIG. 11 is an enlarged view of a portion of FIG. 10 at F in accordance with the teachings of the present invention;

fig. 12 is an enlarged schematic structural view of the rotating frame of the present invention.

In the figure: 1. a plastic extruder; 2. a cooling water tank; 3. an arc-shaped guide plate; 4. a first rotating roller; 5. cutting table; 6. a lifting groove; 7. a first spring; 8. an arc-shaped lifting plate; 9. a moving bar; 10. an inclined groove; 11. a first rotating shaft; 12. a second chute; 13. a limiting strip; 14. a first mounting bracket; 15. a motor; 16. a rotating table; 17. an inclined surface; 18. rotating the frame body; 19. a second spring; 20. a first meshing tooth; 21. a second meshing tooth; 22. a second mounting bracket; 23. a second rotating roller; 24. a first gear; 25. a second gear; 26. a third mounting bracket; 27. a first lumen; 28. a water pump; 29. a first connecting pipe; 30. a second connecting pipe; 31. a second lumen; 32. rotating the tube; 33. a spray head; 34. an arc-shaped fan blade; 35. a water outlet tank; 36. a shielding frame; 37. a third gear; 38. rotating the disc; 39. a second rotating shaft; 40. a connecting rod; 41. a first support frame; 42. a third rotating shaft; 43. a sector-shaped rack; 44. a second support frame; 45. a first chute; 46. a cutter; 47. mounting a plate; 48. a rack; 49. a waist groove.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The preparation process of the ABS modified plastic particle shown in FIGS. 1 to 12 is characterized by comprising the following steps:

step one, plastic molding extrusion: adding raw materials prepared from ABS modified plastic particles into a plastic preparation device, melting and extruding the raw materials, wherein the extruded plastic is strip-shaped, and finishing the primary molding of the plastic;

step two, cooling the extruded plastic strip: the extruded plastic strip passes through the interior of the plastic preparation device, cooling water is arranged in the plastic preparation device, and the extruded plastic strip is cooled and shaped in time, so that the extruded plastic strip is further molded and can bear pulling to a certain degree in the preparation process;

step three, traction cutting of the plastic strip: the plastic strip after cooling and shaping is dragged by the plastic preparation device to drive the plastic strip to move, the plastic preparation device adjusts the speed along with the extrusion speed of the plastic strip, so that the plastic strip is completely conveyed to the tail end of the plastic preparation device to be uniformly cut, the cutting speed changes along with the speed of the plastic strip which is dragged to move, and uniform preparation of the ABS modified plastic particles is completed;

wherein, the plastic preparation device in the first step to the third step comprises a plastic extruder 1, a cooling water tank 2 is fixed at the bottom of the output end of the plastic extruder 1, the output end of the plastic extruder 1 is positioned above the cooling water tank 2, an arc guide plate 3 is fixed at one end of the interior of the cooling water tank 2 close to the plastic extruder 1, an output end separation device is installed at the top of the cooling water tank 2 and is positioned right above the arc guide plate 3, the plastic strips extruded by the plastic extruder 1 are separated up and down by the output end separation device, two first rotating rollers 4 are rotatably installed at the other end of the interior of the cooling water tank 2, a cutting table 5 is fixed at one end of the top of the cooling water tank 2 far away from the plastic extruder 1, a variable speed traction device is installed at the top of the cutting table 5, and the variable speed traction device adjusts the traction speed of the plastic strips after the extrusion speed of the plastic extruder 1 is changed, the top of the cutting table 5 is also connected with a granulating device; during operation, in the prior art, when ABS modified plastic particles are prepared, most of the plastic particles are extruded through an extruder, and are cooled and solidified through a cooling water tank, and then are cut by traction, however, the plastic extruder may have an unstable condition when extruding the plastic particles, so that the extrusion speed of the plastic particles is difficult to be completely uniform, thereby causing the plastic particles to be pulled in the traction process, and the plastic particles are pulled by the plastic extruder to move one end of the plastic particles, which does not enter the cooling water tank, thereby causing the plastic particles to be pulled, deformed and broken, thereby causing the plastic particles to be non-uniform in size, the technical scheme can solve the above problems, and the specific implementation manner is as follows, the plastic extruder 1 can process the raw materials for preparing the plastic particles, and extrude the processed raw materials, so that the plastic particles are molded and extruded in the form of the plastic particles, the output end separation device can vertically separate the plastic strips extruded by the plastic extruder 1, the plastic strips are prevented from being sticky after being close to each other, cooling water is contained in the cooling water tank 2, the extruded plastic strips are cooled and formed after passing through the cooling water in the cooling water tank 2, the arc guide plate 3 can guide the extruded plastic strips, the plastic strips enter the lower part of the first rotating roller 4 along the arc guide plate 3, the first rotating roller 4 downwards presses the extruded plastic strips into the cooling water, so that the plastic strips are favorably and fully cooled, the cutting table 5 can mount the variable-speed traction device, the variable-speed traction device can be matched with the extrusion speed of the plastic strips to change the speed, the traction speed of the plastic strips is matched with the extrusion speed, and the plastic strips are favorably prevented from being pulled and broken because the traction speed is higher than the extrusion speed, the integrity of the plastic strip is maintained, excessive pulling deformation is avoided, so that the preparation of the plastic particles is completely carried out, and meanwhile, the plastic strip is uniformly cut, so that the formed plastic particles are more uniform.

As an embodiment of the present invention, the output end separation device includes two third mounting brackets 26, the two third mounting brackets 26 are symmetrically fixed on both sides of the cooling water tank 2, and a plurality of rotating pipes 32 corresponding to the output ends of the plastic extruder 1 are rotatably mounted between the two third mounting brackets 26; during operation, third mounting bracket 26 can be installed rotating tube 32, and rotating tube 32 supports the plastic strip of extruding for the plastic strip that the hole of extruding of co-altitude is extruded can separate each other, thereby makes the device extrude multiunit plastic strip simultaneously, and is favorable to avoiding gluing each other between the plastic strip of co-altitude and influences the preparation of plastic granules.

As an embodiment of the invention, the variable speed traction device comprises a lifting slot 6, a second spring 19, a first mounting rack 14 and two second mounting racks 22, wherein the lifting slot 6 is arranged at one end of the cutting table 5 facing the plastic extruder 1, a plurality of first springs 7 are fixed in an array manner inside the lifting slot 6, an arc-shaped lifting plate 8 is fixed at one end of all the first springs 7 facing away from the lifting slot 6, the two second mounting racks 22 are symmetrically fixed at two sides of the cutting table 5, two second rotating rollers 23 located on the same vertical plane are connected between the two second mounting racks 22 in a rotating manner, first gears 24 are fixed at two ends of each second rotating roller 23, adjacent first gears 24 are meshed with each other, a second gear 25 is fixed coaxially at one side of the lower first gear 24 facing away from the second rotating roller 23, the first mounting rack 14 is fixed at one side of the cutting table 5, a motor 15 is fixed at one side of the first mounting rack 14 facing away from the cutting table 5 through screws, an output shaft of the motor 15 penetrates through the first mounting frame 14 and then is fixedly connected with a first rotating shaft 11, one end, facing away from the motor 15, of the first rotating shaft 11 is rotatably inserted into the cutting table 5, a limiting strip 13 is fixed on an outer ring array of the first rotating shaft 11, a rotating frame 18 in sliding fit with the limiting strip 13 is slidably sleeved on an outer ring of the first rotating shaft 11, second meshing teeth 21 are fixed on an inner wall array of the rotating frame 18, the second meshing teeth 21 are meshed with a second gear 25, a second spring 19 is fixed between the rotating frame 18 and the first mounting frame 14, and a variable speed adjusting mechanism is installed between the rotating frame 18 and the arc-shaped lifting plate 8; during operation, the arc-shaped lifting plate 8 can be inserted and installed in the lifting groove 6, a yielding space is provided for downward movement of the arc-shaped lifting plate 8 after the arc-shaped lifting plate 8 is extruded, the first spring 7 can provide support for the arc-shaped lifting plate 8, so that the supporting force of the first spring 7 on the arc-shaped lifting plate 8 is balanced with the force applied to the arc-shaped lifting plate 8 when the plastic strip is normally pulled, the first installation frame 14 can install the motor 15, the motor 15 can drive the first rotating shaft 11 to rotate through the output shaft after being started, the first rotating shaft 11 drives the limiting strip 13 to rotate, the sliding fit of the limiting strip 13 and the rotating frame 18 enables the rotating frame 18 to slide on the surface of the first rotating shaft 11 along with the rotation of the limiting strip 13, the second spring 19 elastically supports the rotating frame 18, the rotating frame 18 drives the second meshing teeth 21 to rotate, and the second meshing teeth 21 drive the second gear 25 meshed with the second meshing teeth to rotate, the second mounting rack 22 can support and mount the second rotating roller 23, the second gear 25 can drive the first gear 24 coaxially fixed with the second gear to rotate after rotating, the first gear 24 drives the other first gear 24 meshed with the first gear to rotate, the two first gears 24 drive the second rotating roller 23 fixed with the first gear to rotate after rotating, the second rotating roller 23 pulls the plastic strips in the rotating process so as to drive the plastic strips to move, when the pulling speed is higher than the extrusion speed, the plastic strips are pulled, the pulled plastic strips can extrude the arc-shaped lifting plate 8, the arc-shaped lifting plate 8 extrudes the first spring 7 and then moves downwards, the variable speed adjusting mechanism is driven to reduce the rotating speed of the second gear 25, the pulling speed is reduced, the device can adjust the pulling speed according to the change of the extrusion speed while pulling the plastic strips, and is beneficial to avoiding the plastic strips from being pulled and broken due to the fact that the pulling speed is higher than the extrusion speed, thereby being beneficial to protecting the integrity of the plastic strip in the traction process and being beneficial to the smooth preparation of plastic particles.

As an embodiment of the present invention, the speed change adjusting mechanism includes a moving bar 9, a rotating platform 16, and a plurality of first engaging teeth 20, the moving bar 9 is fixed at one end of the arc-shaped lifting plate 8 facing the rotating frame 18, a second sliding slot 12 is formed through the inside of the moving bar 9, the first rotating shaft 11 passes through the inside of the second sliding slot 12, an inclined slot 10 is formed at one side of the moving bar 9 facing the rotating frame 18, the rotating platform 16 is coaxially fixed inside the rotating frame 18, the rotating platform 16 is slidably sleeved on the outer ring of the first rotating shaft 11, an inclined surface 17 matched with the inclined slot 10 is formed at one end edge of the rotating platform 16 facing the moving bar 9, all the first engaging teeth 20 are symmetrically fixed on the inner wall of the rotating frame 18 in an array, and the first engaging teeth 20 are fixedly connected with the adjacent second engaging teeth 21; when the device works, the arc-shaped lifting plate 8 moves downwards to drive the moving strip 9 to move downwards, the second sliding groove 12 can provide a space for the first rotating shaft 11 to move in the moving process of the moving strip 9, the moving strip 9 moves downwards to drive the inclined groove 10 to move and extrude the inclined surface 17, the inclined surface 17 pushes the rotating table 16 to slide along the first rotating shaft 11 after being extruded, the rotating table 16 drives the rotating frame 18 fixed with the rotating table to slide after sliding, the rotating frame 18 drives the first engaging teeth 20 and the second engaging teeth 21 to move synchronously after sliding, the second engaging teeth 21 lose engagement with the second gear 25 after the first engaging teeth 20 and the second engaging teeth 21 move synchronously, meanwhile, the first engaging teeth 20 are engaged with the second gear 25, the first engaging teeth 20 are symmetrically arranged and provided with neutral positions in the middle, so that the first engaging teeth 20 can rotate intermittently when driving the second gear 25 to rotate, thereby reducing the rotating speed of the second gear 25, be favorable to reducing the traction speed of plastic strip, after dragging of receiving of plastic strip disappears, second gear 25 promotes that arc lifter plate 8 resets and drives removal strip 9 and resets, second spring 19 promotes to rotate framework 18 and resets along first pivot 11 slip simultaneously, make second meshing tooth 21 resume with second gear 25's meshing, traction speed resumes, thereby make the device can coordinate extrusion speed's change to adjust traction speed, thereby be favorable to avoiding causing dragging fracture of plastic strip behind the traction speed being greater than extrusion speed.

As an embodiment of the present invention, a first inner cavity 27 is formed inside the third mounting frame 26 on one side, a water pump 28 is fixedly installed inside the first inner cavity 27, an input end of the water pump 28 is fixedly communicated with a first connecting pipe 29, one end of the first connecting pipe 29, which is back to the water pump 28, is fixedly communicated with the inside of the cooling water tank 2, an output end of the water pump 28 is fixedly communicated with a second connecting pipe 30, a second inner cavity 31 is formed inside the third mounting frame 26, one end of the second connecting pipe 30, which is back to the water pump 28, is fixedly communicated with the inside of the second inner cavity 31, the inside of the second inner cavity 31 is communicated with the inside of the rotating pipe 32, two ends of all the rotating pipes 32 are fixedly communicated with a plurality of nozzles 33 distributed in an annular array, and output ends of the nozzles 33 face to the middle part of the rotating pipe 32; in the working process, the plastic strip is inevitably pulled in the process of pushing the arc-shaped lifting plate 8 by extrusion, so that the plastic strip is slightly pulled and the uniformity of the plastic strip is influenced, the technical scheme can solve the problems, the specific implementation mode is as follows, the second inner cavity 31 can provide a space for installing the water pump 28, the water pump 28 can drive cooling water to pass through the water pump 28 along the first connecting pipe 29 and be conveyed to the inside of the second inner cavity 31 along the second connecting pipe 30, after the inside of the second inner cavity 31 reaches a certain water level, the cooling water flows along the rotating pipe 32, water flowing into the inside of the rotating pipe 32 is sprayed out through the spray head 33, the spray head 33 sprays water to the middle part of the rotating pipe 32, so that the water is sprayed on the surface of the extruded plastic strip, the plastic strip is primarily cooled and shaped, and the extruded plastic strip can bear slight pulling, thereby being favorable to avoiding the plastic strip to promote pulling of 8 in-process on the arc lifter plate in the extrusion to cause the thickness of plastic strip inhomogeneous to be favorable to the even cutting of plastic strip.

As an embodiment of the present invention, a plurality of arc-shaped fan blades 34 are fixed in an array at one end of each of the rotating pipes 32 close to the second inner cavity 31, a water outlet tank 35 is arranged above each of the arc-shaped fan blades 34 of the same group, the water outlet tank 35 is fixed to a side wall of the third mounting frame 26 and is communicated with the second inner cavity 31, a shielding frame 36 is sleeved outside the bottom of the water outlet tank 35, the shielding frame 36 is fixedly connected with the side wall of the third mounting frame 26, the arc-shaped fan blades 34 are located inside the third mounting frame 26, and the rotating pipes 32 penetrate through the shielding frame 36; in the process of working, the plastic strips pass through the rotating pipe 32, the rotating pipe 32 cannot rotate actively, so that the plastic strips are easy to fall downwards between the rotating pipe 32 and the plastic extruder 1, and mutual adhesion between the plastic strips is possibly caused, the technical scheme can solve the above problems, in the specific implementation mode, after the water level in the second inner cavity 31 reaches the height of the water outlet tank 35, water flows downwards along the output end of the water outlet tank 35, the downwards flowing water impacts the top of the arc-shaped fan sheet 34, so as to drive the arc-shaped fan sheet 34 to rotate downwards, the shielding frame 36 can protect the arc-shaped fan sheet 34, the water flow is prevented from splashing around when impacting the arc-shaped fan sheet 34, so that the water flow is prevented from splashing, the arc-shaped fan sheet 34 drives the rotating pipe 32 to rotate after rotating, the rotating pipe 32 plays a forward conveying role on the extruded plastic strips after rotating, thereby being beneficial to avoiding the downward falling between the plastic strip rotating pipe 32 and the plastic extruder 1 and being beneficial to avoiding the adhesion caused by the mutual contact between the plastic strips.

As an embodiment of the present invention, the dicing device includes two third gears 37, two first support frames 41, and two second support frames 44, the two third gears 37 are respectively rotatably connected to opposite sides of the two second mounting frames 22, the third gears 37 are engaged with the adjacent first gears 24, output shafts of the two third gears 37 respectively penetrate through the two second mounting frames 22 and extend out to be fixed with rotating discs 38, opposite sides of the two rotating discs 38 are respectively and eccentrically fixed with second rotating shafts 39, the two first support frames 41 are respectively and fixedly connected to two sides of the cutting table 5, the two first support frames 41 are respectively located on one side of the two second mounting frames 22 facing away from the plastic extruder 1, the tops of the two first support frames 41 are respectively fixed with the third rotating shafts 42, outer rings of the two third rotating shafts 42 are respectively and rotatably sleeved with the connecting rods 40, inner portions of the two connecting rods 40 are respectively and provided with kidney slots 49, the two second rotating shafts 39 are respectively inserted in the two kidney slots 49 in a sliding manner, fan-shaped racks 43 are fixed at one ends of the two connecting rods 40, which are back to the first gear 24, the second support frame 44 is fixedly connected to the top of the cutting table 5, the second support frame 44 is positioned at one side of the first support frame 41, which is back to the plastic extruder 1, first sliding grooves 45 are respectively formed at two ends of the second support frame 44 in a penetrating manner, a mounting plate 47 is jointly and slidably connected between the two first sliding grooves 45, a cutter 46 is installed at the bottom of the mounting plate 47, two ends of the mounting plate 47 respectively penetrate through the two first sliding grooves 45 and are fixed with racks 48, and the racks 48 are meshed with the fan-shaped racks 43; in operation, after the traction speed of the plastic strip changes, the speed of the plastic strip changes, if the device cuts through a cutter for uniform cutting, thereby causing uneven cutting of plastic particles, the technical scheme can solve the above problems, the specific embodiment is as follows, the first gear 24 rotates to drive the third gear 37 meshed with the first gear to rotate, the third gear 37 rotates to drive the rotating disc 38 to rotate, the rotating disc 38 rotates to drive the second rotating shaft 39 to rotate along with the rotating disc 38, the first support frame 41 can fixedly mount the third rotating shaft 42, the third rotating shaft 42 can determine the central shaft when the connecting rod 40 rotates, so that the connecting rod 40 turns around the third rotating shaft 42, the second rotating shaft 39 is inserted in the waist groove 49 to drive the upper and lower turning of one end of the waist groove 49, one end of the waist groove 49 turns up and down to drive the fan-shaped rack 43 fixed at the other end to turn up and down, fan-shaped rack 43 overturns about the back and drives rack 48 with it meshing and reciprocate, rack 48 drives mounting panel 47 and reciprocates, mounting panel 47 can install cutter 46, second support frame 44 can carry out spacing installation to mounting panel 47, first spout 45 can provide the space of stepping down for reciprocating of mounting panel 47, thereby make and to drive cutter 46 after first gear 24 rotates and reciprocate the cutting that carries out plastics, second live-rollers 23 and first gear 24 synchronous revolution, make cutter 46 can carry out the change of cutting speed from top to bottom along with the rotational speed change of second live-rollers 23, thereby be favorable to cutter 46 to the even cutting of plastic strip, be favorable to the even preparation of plastic granules.

The working principle of the invention is as follows: in the prior art, when ABS modified plastic particles are prepared, plastic strips are extruded through an extruder mostly, the plastic strips are cooled and solidified through a cooling water tank and then are cut through traction, however, the plastic extruder may have unstable conditions when extruding the plastic strips, so that the extrusion speed of the plastic strips is difficult to be completely uniform, the plastic strips are pulled in the traction process, the plastic strips pull one end of the plastic strips which does not enter the cooling water tank after being pulled, the plastic strips are pulled to deform and break, and the plastic particles for preparing and forming are uneven in size, the technical scheme can solve the problems, and the specific implementation mode is as follows, the plastic extruder 1 can process raw materials for preparing the plastic, extrude the processed raw materials, and extrude the plastic in the form of the plastic strips, the output end separation device can vertically separate the plastic strips extruded by the plastic extruder 1, the plastic strips are prevented from being sticky after being close to each other, cooling water is contained in the cooling water tank 2, the extruded plastic strips are cooled and formed after passing through the cooling water in the cooling water tank 2, the arc guide plate 3 can guide the extruded plastic strips, the plastic strips enter the lower part of the first rotating roller 4 along the arc guide plate 3, the first rotating roller 4 downwards presses the extruded plastic strips into the cooling water, so that the plastic strips are favorably and fully cooled, the cutting table 5 can mount the variable-speed traction device, the variable-speed traction device can be matched with the extrusion speed of the plastic strips to change the speed, the traction speed of the plastic strips is matched with the extrusion speed, and the plastic strips are favorably prevented from being pulled and broken because the traction speed is higher than the extrusion speed, the integrity of the plastic strip is maintained, excessive pulling deformation is avoided, so that the preparation of the plastic particles is completely carried out, and meanwhile, the plastic strip is uniformly cut, so that the formed plastic particles are more uniform.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.