Screw shaft for plastic granulator

Abstract

The utility model relates to the technical field of screw shafts, and discloses a screw shaft for a plastic granulator, which comprises a rotating shaft and a shaft core, the outer wall of the rotating shaft is provided with a feeding mechanism, one end of the rotating shaft is connected with a connecting mechanism, the outer wall of the shaft core is sleeved with a mounting mechanism, and the mounting mechanism comprises an upper clamping block and a lower clamping block. Three rotating balls are arranged in each of the upper clamping block and the lower clamping block, a first liquid inlet is formed in the top end of the upper clamping block, a first liquid inlet pipe is arranged at the upper end in the upper clamping block and connected with the three rotating balls, and a second liquid inlet is formed in one side of the outer wall of the lower clamping block. According to the plastic particle stirring device, the rotating shaft can be quickly mounted and connected to the motor through the mounting mechanism and the connecting mechanism, the mounting efficiency is improved, plastic particles can be more uniform through the stirring blades and the blades arranged on the rotating shaft, and the quality of the plastic particles is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to spiral shaft technical field especially relates to a spiral shaft for plastic granulator. BACKGROUND

[0002] The host of the plastic granulator is an extruder, which is composed of an extrusion system, a transmission system and a heating and cooling system. It is necessary to develop renewable resources and turn waste into treasure. According to the angle between the head material flow direction and the screw center line, the head is divided into an inclined angle head and a right angle head. The outer shell of the head is fixed on the machine body by bolts, the die in the head has a die core seat, and the die core seat is fixed in the machine head inlet port by a nut, the front of the die core seat is provided with a die core, and the center of the die core and the die core seat has a hole for passing through the core wire; a pressure equalizing ring is arranged in front of the head for balancing pressure; the extrusion forming part is composed of a die sleeve seat and a die sleeve, the position of the die sleeve can be adjusted by the bolts through the support to adjust the relative position of the die sleeve to the die core, so as to adjust the uniformity of the extrusion layer thickness. The head is provided with heating device and temperature measuring device.

[0003] At present, the surface of the conventional granulator spiral shaft is usually provided with spiral blades, and the plastic enters the cutting device through the spiral blades. However, the cutting of the cutting device on the plastic may not be in place, which may lead to the shape of the cut plastic particles being uneven, and the quality of the particles may also be uneven. It is also troublesome to install the spiral shaft, which usually requires tightening of multiple screws, and the operation is relatively cumbersome.

[0004] Therefore, the skilled in the art provides a spiral shaft for plastic granulator to solve the problems in the background. UTILITY MODEL CONTENT

[0005] The utility model discloses a spiral shaft for plastic granulator, which is provided with stirring blades and multiple blades on the rotating shaft. The plastic is first uniformly divided, so that the plastic particles are more uniformly divided and have a more regular shape when cut in the subsequent cutting device. The installation mechanism is provided to make the spiral shaft installation operation more convenient.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A spiral shaft for plastic granulator, comprising a rotating shaft and a shaft core, the rotating shaft outer wall is provided with a feeding mechanism, one end of the rotating shaft is connected with a connecting mechanism, the shaft core outer wall is sleeved with an installation mechanism.

[0008] The mounting mechanism comprises upper and lower clamping blocks, each of which is internally provided with three rotating balls, the upper clamping block is provided with a first liquid inlet at the top end, the upper clamping block is internally provided with a first liquid inlet pipe at the upper end, the first liquid inlet pipe is connected with the three rotating balls, the lower clamping block is provided with a second liquid inlet on one side of the outer wall, the lower clamping block is internally provided with a second liquid inlet pipe at the lower end, and the second liquid inlet pipe is connected with the three rotating balls;

[0009] The connecting mechanism comprises a connecting seat, four connecting rods are provided through the outer wall of the connecting seat, the connecting rods are connected through two connecting seats and connected to the outer wall of one end of the rotating shaft, and four damping blocks are arranged in the connecting seat;

[0010] Through the above technical scheme, the upper and lower clamping blocks can be adjusted, which facilitates the installation of the rotating shaft, and the multiple rotating balls arranged in the upper and lower clamping blocks can ensure efficient rotation of the rotating shaft. The first liquid inlet and the second liquid inlet can add lubricating oil, which can prevent the rotating balls from being stuck, and further improve the rotation of the rotating shaft. The connecting seat can facilitate the connection of the rotating shaft to the motor output end.

[0011] Further, the rotating shaft is provided with a first spiral blade and a second spiral blade at both ends of the outer wall, a stirring blade is arranged on one side of the rotating shaft close to the first spiral blade, and a plurality of blades are arranged between the stirring blade and the second spiral blade;

[0012] Through the above technical scheme, the rotating shaft is provided with a stirring blade, which can uniformly stir the plastic. The cutting of the blades can divide the plastic, which facilitates the subsequent entry of the plastic into the cutting mechanism, so that the plastic can be divided more uniformly, improving the product quality.

[0013] Further, the upper clamping block is provided with a screw through the outer wall on both sides, and the upper clamping block and the lower clamping block are fixed by the screw;

[0014] Through the above technical scheme, the installation of the rotating shaft is facilitated.

[0015] Further, the first liquid inlet and the second liquid inlet are each provided with a screw cap at the top end;

[0016] Through the above technical scheme, the liquid inlet pipe is prevented from being contaminated.

[0017] Further, four springs are arranged between the two connecting seats, and the four springs are sleeved on the outer wall of the connecting rod;

[0018] Through the above technical scheme, the pressure between the motor output end and the rotating shaft can be buffered.

[0019] Further, the outer wall of the blade is sprayed with an anti-sticking material composed of a high-molecular ceramic material;

[0020] Through the technical scheme, the high polymer ceramic material can prevent the plastic from adhering to the blade, and improve the service life of the rotating shaft.

[0021] Further, a plurality of stirring rods are connected between the stirring blades, and a plurality of notches are arranged on the outer ends of the stirring blades.

[0022] Through the technical scheme, the plastic can be uniformly stirred.

[0023] Further, the second spiral blade is arranged as a spiral blade with gradually decreasing pitch.

[0024] Through the technical scheme, the plastic can be extruded into the subsequent cutting mechanism, and cutting is facilitated.

[0025] The utility model has the advantages of the following beneficial effects:

[0026] 1. The utility model discloses a spiral shaft for a plastic granulator, which comprises a rotating shaft, a lower clamp block, an upper clamp block, a connecting seat, a buffer block, a spring, a motor and a connecting rod.

[0027] 2. The utility model discloses a spiral shaft for a plastic granulator, which comprises a rotating shaft, a lower clamp block, an upper clamp block, a connecting seat, a buffer block, a spring, a motor and a connecting rod. DRAWINGS

[0028] Figure 1 The utility model discloses a spiral shaft for a plastic granulator, which comprises a rotating shaft, a lower clamp block, an upper clamp block, a connecting seat, a buffer block, a spring, a motor and a connecting rod.

[0029] Figure 2 The utility model discloses a spiral shaft for a plastic granulator, which comprises a rotating shaft, a lower clamp block, an upper clamp block, a connecting seat, a buffer block, a spring, a motor and a connecting rod.

[0030] Figure 3 The utility model discloses a spiral shaft for a plastic granulator, which comprises a rotating shaft, a lower clamp block, an upper clamp block, a connecting seat, a buffer block, a spring, a motor and a connecting rod. The utility model discloses a spiral shaft for a plastic granulator, which comprises a rotating shaft, a lower clamp block, an upper clamp block, a connecting seat, a buffer block, a spring, a motor and a connecting rod.

[0031] Figure 4 A kind of connecting mechanism of spiral shaft for plastic granulator is provided in the utility model, and the sectional view of the connecting mechanism of spiral shaft for plastic granulator is shown in the figure.

[0032] Figure 5 A kind of blade of spiral shaft for plastic granulator is provided in the utility model, and the sectional view of the blade of spiral shaft for plastic granulator is shown in the figure.

[0033] Legend:

[0034] 1, mounting mechanism;101, upper clamp block;102, lower clamp block;103, rotating ball;104, first liquid inlet;105, first liquid inlet pipe;106, second liquid inlet;107, second liquid inlet pipe;2, feeding mechanism;201, rotating shaft;202, first spiral blade;203, stirring blade;204, blade;205, second spiral blade;3, connecting mechanism;301, connecting seat;302, connecting rod;303, shock-absorbing block;4, spring;5, stirring rod;6, notch;7, screw;8, screw cap;9, anti-sticking material;10, shaft core. Specific embodiments

[0035] The technical solutions in the specific embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the specific embodiments of the utility model. Obviously, the described specific embodiments are only part of the specific embodiments of the utility model, not all the specific embodiments. Based on the specific embodiments in the utility model, all other specific embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0036] Referring to Figure 1 , Figure 3 and Figure 4 , a specific embodiment of the utility model is provided: a spiral shaft for plastic granulator, comprising rotating shaft 201 and shaft core 10, rotating shaft 201 outer wall is provided with feeding mechanism 2, one end of rotating shaft 201 is connected with connecting mechanism 3, shaft core 10 outer wall is sleeved with mounting mechanism 1;

[0037] The mounting mechanism 1 comprises upper clamping blocks 101 and lower clamping blocks 102, screw 7 is arranged through the upper clamping blocks 101 on both sides, the upper clamping blocks 101 and the lower clamping blocks 102 are fixed through the screw 7, the installation of the rotating shaft 201 is facilitated, the upper clamping blocks 101 and the lower clamping blocks 102 are internally provided with three rotating balls 103, the upper clamping blocks 101 are provided with first liquid inlets 104 at the top ends, the upper clamping blocks 101 are internally provided with first liquid inlet pipes 105 at the upper ends, the first liquid inlet pipes 105 are connected with the three rotating balls 103, the lower clamping blocks 102 are provided with second liquid inlets 106 on one side of the outer walls, the lower clamping blocks 102 are internally provided with second liquid inlet pipes 107 at the lower ends, the second liquid inlet pipes 107 are connected with the three rotating balls 103, the first liquid inlets 104 and the second liquid inlets 106 are provided with screw caps 8 at the top ends, so as to prevent the liquid inlet pipes from being polluted;

[0038] The connecting mechanism 3 comprises connecting seats 301, four connecting rods 302 are arranged through the outer walls of the connecting seats 301, the connecting rods 302 are connected through the two connecting seats 301 and are connected to the outer walls of one end of the rotating shaft 201, four springs 4 are arranged between the two connecting seats 301, the four springs 4 are sleeved on the outer walls of the connecting rods 302, the pressure between the motor output end and the rotating shaft 201 can be buffered, the connecting seats 301 are internally provided with four damping blocks 303, the upper and lower clamping blocks can be adjusted, the installation of the rotating shaft 201 is facilitated, a plurality of rotating balls 103 arranged in the upper and lower clamping blocks can ensure that the rotating shaft 201 rotates efficiently, the first liquid inlets 104 and the second liquid inlets 106 can add lubricating oil, the rotating balls 103 can be prevented from being stuck, the rotation of the rotating shaft 201 is further improved, and the connecting seats 301 can be arranged, so that the rotating shaft 201 can be connected to the motor output end.

[0039] Referring to Figure 1 , Figure 2 and Figure 5The outer wall of the rotating shaft 201 is provided with a first spiral blade 202 and a second spiral blade 205 at two ends, respectively, and the blade of the second spiral blade 205 is provided as a spiral blade with gradually decreasing pitch, so that the plastic can be extruded into the subsequent cutting mechanism, facilitating cutting, the rotating shaft 201 is provided with stirring blades 203 near the side of the first spiral blade 202 in the middle, a plurality of stirring rods 5 are connected between the stirring blades 203, a plurality of notches 6 are provided at the outer end of the stirring blades 203, the notches 6 are uniformly arranged at the outer end of the stirring blades 203, so that the plastic is uniformly stirred, a plurality of blades 204 are provided between the stirring blades 203 and the second spiral blade 205, the outer wall of the blade 204 is sprayed with an anti-sticking material 9, the anti-sticking material 9 is composed of a high-molecular ceramic material, the high-molecular ceramic material can prevent the plastic from sticking to the blade 204, thereby prolonging the service life of the rotating shaft 201, the outer wall of the rotating shaft 201 is provided with the stirring blades 203, so that the plastic can be uniformly stirred, and the plastic can be divided by the cutting of the blade 204, facilitating the subsequent plastic to enter the cutting mechanism, so that the plastic can be divided more uniformly, thereby improving the product quality.

[0040] Working principle: connect the connecting mechanism 3 at one end of the rotating shaft 201 to the output end of the motor, the damping block 303 arranged inside the connecting seat 301 and the spring 4 arranged between the two connecting seats 301 buffer the pressure when the motor rotates, then put the shaft core 10 at the other end of the rotating shaft 201 into the mounting mechanism 1, tighten the screws 7 on both sides of the upper clamping block 101, so that the upper and lower clamping blocks clamp the shaft core 10, open the screw cap 8, add appropriate amount of lubricating oil, so that the plurality of rotating balls 103 inside the upper and lower clamping blocks are lubricated, to ensure the normal rotation of the rotating shaft 201, the plastic is transported to the stirring place through the first spiral blade 202, the uniformly distributed notches 6 arranged at the outer end of the stirring blades 203 and the stirring rods 5 connected between the stirring blades 203 uniformly stir the plastic, then the plastic is transported to the subsequent blade 204, the blade 204 uniformly cuts and transports the plastic to the second spiral blade 205, and the plastic is extruded into the subsequent cutting mechanism through the second spiral blade 205 with gradually decreasing pitch.

[0041] Finally, it should be noted that: the above only describes the preferred specific embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A plastic granulator screw shaft comprising a rotating shaft (201) and a shaft core (10), characterized in that: The outer wall of the rotating shaft (201) is provided with a feeding mechanism (2), one end of the rotating shaft (201) is connected with a connecting mechanism (3), and the outer wall of the shaft core (10) is sleeved with a mounting mechanism (1). The mounting mechanism (1) comprises upper clamping blocks (101) and lower clamping blocks (102), the inner portions of the upper clamping blocks (101) and the lower clamping blocks (102) are provided with three rotating balls (103), the top end of the upper clamping block (101) is provided with a first liquid inlet (104), the inner portion of the upper clamping block (101) is provided with a first liquid inlet pipe (105) at the upper end, the first liquid inlet pipe (105) is connected with the three rotating balls (103), one side of the outer wall of the lower clamping block (102) is provided with a second liquid inlet (106), the inner portion of the lower clamping block (102) is provided with a second liquid inlet pipe (107) at the lower end, and the second liquid inlet pipe (107) is connected with the three rotating balls (103). The connecting mechanism (3) comprises connecting seats (301), the outer wall of the connecting seat (301) is provided with four connecting rods (302) penetrating through, the connecting rods (302) penetrate through two connecting seats (301) and are connected to the outer wall of one end of the rotating shaft (201), and the inner portion of the connecting seat (301) is provided with four damping blocks (303).

2. A plastic granulator screw as claimed in claim 1, characterized in that: The outer wall of the rotating shaft (201) is provided with first spiral blades (202) and second spiral blades (205) at both ends, respectively, the middle of the rotating shaft (201) is provided with stirring blades (203) close to one side of the first spiral blades (202), and a plurality of blades (204) are arranged in the middle of the stirring blades (203) and the second spiral blades (205).

3. A plastic granulator screw as claimed in claim 1, wherein: The upper clamping blocks (101) are provided with screws (7) penetrating through at both sides, and the upper clamping blocks (101) and the lower clamping blocks (102) are fixed through the screws (7).

4. A plastic granulator screw as claimed in claim 1, wherein: The top ends of the first liquid inlet (104) and the second liquid inlet (106) are provided with screw caps (8).

5. A plastic granulator screw as claimed in claim 1, wherein: Four springs (4) are arranged between the two connecting seats (301), and the four springs (4) are sleeved on the outer wall of the connecting rod (302).

6. A plastic granulator screw according to claim 2, characterized in that: The outer wall of the blade (204) is sprayed with an anti-sticking material (9) composed of a high-molecular ceramic material.

7. A plastic granulator screw according to claim 2, characterized in that: A plurality of stirring rods (5) are connected between the stirring blades (203), the outer ends of the stirring blades (203) are provided with a plurality of notches (6), and the notches (6) are uniformly arranged at the outer ends of the stirring blades (203).

8. A plastic granulator screw according to claim 2, characterized in that: The blades of the second spiral blades (205) are arranged as spiral blades with gradually decreasing pitch.

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