Regenerated plastic particle cooling device

Abstract

The utility model relates to the technical field of plastic particle cooling, and particularly discloses a regenerated plastic particle cooling device which comprises a cooling box and a cooling cylinder, cooling liquid is arranged in the cooling box, a plurality of water filtering holes are formed in the outer surface of the cooling cylinder, the cooling liquid is allowed to enter and exit through the water filtering holes, and the size of the water filtering holes is smaller than that of regenerated plastic particles. The cooling cylinder is installed on a main rod which is fixedly installed on a rotating shaft, and the rotating shaft is connected with a power motor used for driving the rotating shaft to rotate. According to the cooling device, cooling liquid is stored in the cooling box, the cooling cylinder is driven by the power motor to overturn towards the lower side and retract towards the upper side, and the regenerated plastic particles are located in the cooling cylinder all the time and cannot directly enter the cooling box during the period, so that the cooling liquid does not need to be moved in the discharging process after the regenerated plastic particles are cleaned, and the cooling efficiency is improved. Regenerated plastic particles do not enter the cooling liquid, and a filtering mechanism for stopping the plastic regenerated particles from entering the cooling liquid conveying pipeline does not need to be used either.

Description

Technical Field

[0001] The utility model belongs to the technical field of plastic particle cooling, and in particular relates to a recycled plastic particle cooling device. Background Art

[0002] Recycled plastic particles belong to the category of plastic particles. Recycled plastics are plastics produced by recycling used new materials or waste plastics through a screw machine, and then cut into granular plastic particles by a pelletizer.

[0003] In the Chinese patent with publication number CN 217802791 U, plastic particles are fed into a cooling box through a feed hopper, and a stirring shaft is driven to rotate by a motor, so that the spiral blades on the stirring shaft rotate synchronously with the stirring shaft, which can effectively stir the plastic particles and dissipate the heat in the plastic particles. While stirring, a water pump is turned on, and the water pump conveys the water in the water tank to the cooling box through a water pipe through a pumping pipe, so that the cold water is fully mixed with the plastic particles in the cooling box, and the heat in the plastic particles can be effectively absorbed, which is convenient for improving the cooling effect of the plastic particles, preventing the plastic particles from agglomerating and discoloring, and thus facilitating improving the quality of the finished plastic particles;

[0004] However, the above device has the following problems during use:

[0005] After the recycled plastic particles are cooled, when they are discharged, the coolant inside them needs to be discharged first, and then the recycled plastic particles can be discharged. This will result in a single cleaning of the recycled plastic particles during the recycling process, and the coolant needs to be manipulated for a cycle of discharge and return. When the recycled plastic particles are continuously cooled in the factory, the frequent liquid flow puts a heavy burden on the filtering mechanism inside the factory that is used to block the plastic recycled particles from entering the water tank. Utility Model Content

[0006] The utility model aims to provide a recycled plastic particle cooling device to solve the problems raised by the above background technology.

[0007] To achieve the above purpose, the utility model provides the following technical solutions, including a cooling box and a cooling cylinder, wherein a coolant is arranged in the cooling box, a plurality of water filter holes are arranged on the outer surface of the cooling cylinder, the water filter holes allow the coolant to enter and exit, and the size of the water filter holes is smaller than the size of the recycled plastic particles, the cooling cylinder is installed on the main rod, the main rod is fixedly installed on the rotating shaft, and the rotating shaft is connected to a power motor for driving the rotation thereof;

[0008] The power motor drives the cooling cylinder to rotate through the rotating shaft and the main rod, so that the cooling cylinder has at least three states, wherein the three states are cooling state, drainage state, and loading and unloading state. In the cooling state, the cooling cylinder enters the lower area of ​​the coolant surface; in the drainage state, the cooling cylinder is located in the upper area of ​​the coolant surface; in the loading and unloading state, the opening of the cooling cylinder is aligned with the loading and unloading pipes.

[0009] Preferably, the rotating shaft is rotatably mounted on a support seat via a bearing, and the support seat is fixedly mounted on a top plate on the top of the cooling box.

[0010] Preferably, a support rod is installed on the cooling cylinder, the other end of the support rod is fixedly installed on the rotating shaft, and the main rod and the support rod are respectively located on both sides of the support seat.

[0011] Preferably, a baffle is installed at a position of the cooling cylinder corresponding to the opening, a slide groove allowing the baffle to rotate is provided in the cooling cylinder, the baffle is connected to an opening and closing mechanism for driving its movement, and the opening and closing mechanism has the function of opening and closing the opening.

[0012] Preferably, an inclined wall is provided at a position of the cooling cylinder close to the opening, and the thickness of the inclined wall on one side close to the opening is greater than the thickness of the other side.

[0013] Preferably, the opening and closing mechanism includes a reset spring and a fixed plate, the reset spring is connected to the baffle, the fixed plate is fixedly mounted on the guide frame, the guide frame is fixedly mounted on the bracket, an arc groove is provided in the guide frame, the cooling cylinder is rotatably connected to the inner wall of the arc groove, and the center of the arc groove in the guide frame coincides with the center line of the rotating shaft.

[0014] Preferably, a stirring shaft is installed in the cooling cylinder, spirally distributed stirring blades are installed on the stirring shaft, and the stirring shaft is connected to a driving mechanism for driving the stirring shaft to rotate.

[0015] Preferably, the driving mechanism includes two sprockets, one of which is fixedly mounted on the stirring shaft, and the other is mounted on the power shaft, the power shaft is fixedly connected to the output shaft of the driving motor, the driving motor is fixedly mounted on the main rod through the motor frame, and the two sprockets are connected by a chain.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. In the utility model, the coolant is stored in the cooling box, and the cooling cylinder is turned downward and retracted upward under the drive of the power motor. During this period, the recycled plastic particles are always located inside the cooling cylinder and will not directly enter the cooling box. Therefore, in the process of unloading the recycled plastic particles after cleaning, there is no need to move the coolant, and the recycled plastic particles will not enter the coolant. There is no need to use a filtering mechanism to prevent the recycled plastic particles from entering the coolant delivery pipeline.

[0018] Second, a stirring shaft, stirring blades and other components are arranged inside the cooling cylinder to stir the recycled plastic particles inside the cooling cylinder so that they can fully contact with the coolant. At the same time, the stirring blades are arranged in a spiral shape, and their forward and reverse rotation can assist in the loading and unloading of recycled plastic particles in the loading and unloading pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a rear view of the utility model.

[0021] Figure 3 It is a schematic diagram of the internal structure of the cooling cylinder in the utility model.

[0022] Figure 4 This is a connection diagram between the baffle and the cooling cylinder in the utility model.

[0023] Figure 5 This is a connection diagram of the baffle and the return spring in the utility model.

[0024] In the figure: 1. cooling box; 2. cooling cylinder; 201. water filter hole; 202. opening; 203. inclined wall; 204. baffle; 205. return spring; 3. main rod; 4. support rod; 5. rotating shaft; 6. power motor; 7. bracket; 8. fixing plate; 9. loading and unloading pipes; 10. guide frame; 11. stirring blade; 12. driving mechanism; 1201. chain; 1202. sprocket; 1203. driving motor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-Figure 5 A recycled plastic particle cooling device comprises a cooling box 1 and a cooling cylinder 2. Coolant is arranged in the cooling box 1. A plurality of water filter holes 201 are arranged on the outer surface of the cooling cylinder 2. The water filter holes 201 allow coolant to enter and exit. The size of the water filter holes 201 is smaller than the size of the recycled plastic particles. The recycled plastic particles cannot pass through the water filter holes 201. The cooling cylinder 2 is mounted on a main rod 3. The main rod 3 is fixedly mounted on a rotating shaft 5. The rotating shaft 5 is rotatably mounted on a support seat through a bearing. The support seat is fixedly mounted on a top plate on the top of the cooling box 1. The rotating shaft 5 is connected to a power motor 6 for driving the rotating shaft 5.

[0027] Specifically, the power motor 6 drives the cooling cylinder 2 to rotate through the rotating shaft 5 and the main rod 3, so that the cooling cylinder 2 has at least three states, wherein the three states are cooling state, drainage state, and loading and unloading state. In the cooling state, the cooling cylinder 2 enters the lower area of ​​the coolant liquid surface; in the drainage state, the cooling cylinder 2 is located in the upper area of ​​the coolant liquid surface; in the loading and unloading state, the opening 202 of the cooling cylinder 2 is aligned with the loading and unloading pipe 9; the loading and unloading pipe 9 is used for loading and unloading of recycled plastic particles, and new recycled plastic particles can enter the interior of the cooling cylinder 2 through the loading and unloading pipe 9, and the cooled recycled plastic particles will be discharged from the loading and unloading pipe 9;

[0028] In a further embodiment, in order to increase the stability of the cooling cylinder 2 during rotation, a support rod 4 is installed on the cooling cylinder 2, and the other end of the support rod 4 is fixedly installed on the rotating shaft 5, and the main rod 3 and the support rod 4 are respectively located on both sides of the support seat;

[0029] In a further embodiment, in order to prevent the recycled plastic particles from flowing out of the opening 202 during the cooling process in the coolant, a baffle 204 is installed at the position of the cooling cylinder 2 corresponding to the opening 202, and a slide groove allowing the baffle 204 to rotate is provided in the cooling cylinder 2. The baffle 204 is connected to an opening and closing mechanism for driving its movement, and the opening and closing mechanism has the function of opening and closing the opening 202. An inclined wall 203 is provided at a position of the cooling cylinder 2 close to the opening 202, and the thickness of the inclined wall 203 on one side close to the opening 202 is greater than that on the other side. By thickening the wall thickness at the opening 202, the outer wall of the cooling cylinder 2 has sufficient thickness to provide a guiding effect during the movement of the baffle 204, so that the baffle 204 can rotate stably, and the opening and closing mechanism includes a reset spring 205, a fixed Plate 8, return spring 205 is connected to baffle 204, fixed plate 8 is located on the path of rotation of cooling cylinder 2, during the rotation of cooling cylinder 2, it reaches the position of fixed plate 8, fixed plate 8 prevents baffle 204 from continuing to rotate, while cooling cylinder 2 can continue to rotate, opening 202 leaks out, and finally aligns with loading and unloading pipe 9, fixed plate 8 is fixedly mounted on guide frame 10, guide frame 10 is fixedly mounted on bracket 7, an arc groove is arranged in guide frame 10, cooling cylinder 2 is rotatably connected with the inner wall of arc groove, the center of arc groove in guide frame 10 coincides with the center line of rotating shaft 5, during the rotation of cooling cylinder 2 upward, it will enter into the arc groove in guide frame 10, guide frame 10 plays a guiding role to avoid the rotation direction deviation of baffle 204;

[0030] In a further embodiment, in order to allow the recycled plastic particles to be fully and evenly mixed with the coolant, a stirring shaft is installed in the cooling cylinder 2, and a spirally distributed stirring blade 11 is installed on the stirring shaft, and the stirring shaft is connected to a driving mechanism 12 for driving the stirring shaft to rotate;

[0031] Specifically, in order to raise the height of the driving motor 1203 in the driving mechanism 12 and prevent the driving motor 1203 from contacting the coolant, the driving mechanism 12 includes two sprockets 1202, one of which is fixedly mounted on the stirring shaft, and the other is mounted on the power shaft, which is fixedly connected to the output shaft of the driving motor 1203. The driving motor 1203 is fixedly mounted on the main rod 3 through a motor frame, and the two sprockets 1202 are connected by a chain 1201.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A recycled plastic particle cooling device, comprising a cooling box (1) and a cooling cylinder (2), characterized in that: A cooling liquid is arranged in the cooling box (1), and a plurality of water filter holes (201) are arranged on the outer surface of the cooling cylinder (2), the water filter holes (201) allow the cooling liquid to enter and exit, and the size of the water filter holes (201) is smaller than the size of the recycled plastic particles. The cooling cylinder (2) is mounted on the main rod (3), and the main rod (3) is fixedly mounted on the rotating shaft (5), and the rotating shaft (5) is connected to a power motor (6) for driving the rotating shaft (5) to rotate. The power motor (6) drives the cooling cylinder (2) to rotate via the rotating shaft (5) and the main rod (3), so that the cooling cylinder (2) has at least three states, wherein the three states are respectively a cooling state, a drainage state, and a loading and unloading state. In the cooling state, the cooling cylinder (2) enters the lower area of ​​the coolant surface; in the drainage state, the cooling cylinder (2) is located in the upper area of ​​the coolant surface; in the loading and unloading state, the opening (202) of the cooling cylinder (2) is aligned with the loading and unloading pipe (9).

2. A recycled plastic particle cooling device according to claim 1, characterized in that: The rotating shaft (5) is rotatably mounted on a support seat via a bearing, and the support seat is fixedly mounted on a top plate on the top of the cooling box (1).

3. A recycled plastic particle cooling device according to claim 1, characterized in that: A support rod (4) is installed on the cooling cylinder (2), and the other end of the support rod (4) is fixedly installed on the rotating shaft (5). The main rod (3) and the support rod (4) are respectively located on both sides of the support seat.

4. A recycled plastic particle cooling device according to claim 1, characterized in that: A baffle (204) is installed at a position of the cooling cylinder (2) corresponding to the opening (202), and a slide groove allowing the baffle (204) to rotate is arranged in the cooling cylinder (2). The baffle (204) is connected to an opening and closing mechanism for driving its movement, and the opening and closing mechanism has the function of opening and closing the opening (202).

5. A recycled plastic particle cooling device according to claim 4, characterized in that: The cooling cylinder (2) is provided with an inclined wall (203) at a position close to the opening (202), and the thickness of the inclined wall (203) on one side close to the opening (202) is greater than the thickness of the other side.

6. A recycled plastic particle cooling device according to claim 5, characterized in that: The opening and closing mechanism comprises a reset spring (205) and a fixed plate (8), wherein the reset spring (205) is connected to a baffle (204), wherein the fixed plate (8) is fixedly mounted on a guide frame (10), wherein the guide frame (10) is fixedly mounted on a bracket (7), wherein an arc groove is arranged inside the guide frame (10), wherein the cooling cylinder (2) is rotatably connected to the inner wall of the arc groove, and wherein the center of the arc groove inside the guide frame (10) coincides with the center line of the rotating shaft (5).

7. A recycled plastic particle cooling device according to claim 1, characterized in that: A stirring shaft is installed in the cooling cylinder (2), and spirally distributed stirring blades (11) are installed on the stirring shaft. The stirring shaft is connected to a driving mechanism (12) for driving the stirring shaft to rotate.

8. A recycled plastic particle cooling device according to claim 7, characterized in that: The driving mechanism (12) comprises two sprockets (1202), one of which is fixedly mounted on the stirring shaft, and the other is mounted on the power shaft, the power shaft is fixedly connected to the output shaft of the driving motor (1203), the driving motor (1203) is fixedly mounted on the main rod (3) via a motor frame, and the two sprockets (1202) are connected via a chain (1201).

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