Plastic pelletizer with cooling mechanism

Abstract

The utility model provides a kind of plastic cutting machine with cooling mechanism, including pelletizing device, the pelletizing device includes conveying table, the right side fixedly connected with fixed plate in the top of conveying table, the top of fixed plate is fixedly connected with cylinder, the telescopic end of cylinder extends to the inside of fixed plate and is fixedly connected with moving plate, penetrating the top of fixed plate, the bottom of moving plate is fixedly connected with pelletizing cutter;Spray cooling mechanism, the spray cooling mechanism includes cooling water tank, the right side of the conveying table inner cavity is located at cooling water tank, the inside fixedly connected with high pressure submersible pump of cooling water tank, by setting spray cooling mechanism, can be when to plastic cutting, to plastic spray cooling water, to reach the purpose of cooling plastic, the water mist that atomizing nozzle sprays can increase the contact area of plastic particles and water, further improve cooling effect.

Description

Technical Field

[0001] This utility model relates to the field of plastic processing equipment technology, specifically to a plastic pelletizer with a cooling mechanism. Background Technology

[0002] Plastics technology refers to the field of processing and manufacturing using plastic materials. It is widely used in various industries, including automotive, electronics, medical, and furniture. Common processing methods in plastics technology include injection molding, extrusion, blow molding, and calendering. These methods can process plastic materials into products of various shapes and structures, such as parts and packaging materials.

[0003] Chinese Patent (Publication No.: CN 222697627 U) discloses a plastic pelletizer with a cooling mechanism, including a base plate, a bracket fixedly connected to the top of the base plate, two limiting rods slidably connected inside the bracket, a displacement plate fixedly connected to the bottom of the two limiting rods, a cutting blade fixedly installed at the bottom of the displacement plate, a cutting assembly provided at the top of the bracket, and a limiting block fixedly connected to the top of the limiting rods. This invention aims to solve the problem that if the plastic is not sufficiently cooled during the cutting process, it may overheat, causing the plastic to soften, stick together, or even melt. This affects the cutting effect, resulting in uneven and unstable pellets. Furthermore, when using a pelletizer in conjunction with an extruder to pelletize strips of plastic, the strips lack guidance and stability during transport to the pelletizer.

[0004] In the plastics processing industry, plastic pelletizers are important equipment for producing plastic pellets from plastic raw materials through processes such as extrusion and pelletizing. The aforementioned patent utilizes water cooling to pre-cool the plastic raw materials. However, this water cooling method results in insufficient contact between the water and the plastic pellets, leading to uneven cooling. Furthermore, during the pelletizing process, the plastic pellets are at a high temperature immediately after being cut. If they are not effectively cooled in time, problems such as pellet adhesion and deformation can easily occur, affecting the quality of the plastic pellets and their subsequent processing and use. Therefore, there is an urgent need to design a cooling mechanism for plastic pelletizers that offers good cooling effect, high cooling efficiency, and energy saving and environmental protection.

[0005] Therefore, a plastic pelletizer with a cooling mechanism is proposed. Utility Model Content

[0006] In view of this, the present invention provides a plastic pelletizer with a cooling mechanism to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial alternative.

[0007] The technical solution of this utility model is achieved as follows: a plastic pelletizer with a cooling mechanism, comprising:

[0008] A pelletizing device, comprising a conveyor table, a fixed plate fixedly connected to the right side of the top of the conveyor table, a cylinder fixedly connected to the top of the fixed plate, the telescopic end of the cylinder extending through the top of the fixed plate to the inner side of the fixed plate and fixedly connected to a movable plate, and a pelletizing blade fixedly connected to the bottom of the movable plate.

[0009] The spray cooling mechanism includes a cooling water tank located on the right side of the inner cavity of the conveyor platform. A high-pressure submersible pump is fixedly connected inside the cooling water tank. The output ends of the high-pressure submersible pump on both the front and rear sides are connected to connecting pipes. The other end of the connecting pipe extends through the front and rear sides of the fixed plate to the inner side of the conveyor platform and is connected to an atomizing nozzle.

[0010] More preferably, it also includes a cooling mechanism, which includes a cooling box fixedly connected to the left side of the conveyor table. A feeding chute is provided on the right side of the top of the cooling box, and a discharge chute is provided on the front side of the cooling box. An exhaust fan is fixedly connected to the left side of the cooling box.

[0011] More preferably, a cooling pipe is provided on the right side of the inner cavity of the cooling box, and one end of the cooling pipe passes through the front side of the cooling box and extends to the outside, while the other end passes through the right side of the cooling box and the left side of the conveyor platform and is connected to the left side of the cooling water tank. Solenoid valves are provided at both ends of the cooling pipe.

[0012] More preferably, a guide plate is fixedly connected to the bottom of the inner cavity of the cooling box, and the guide plate is inclined.

[0013] More preferably, a conveying device is provided inside the cooling box. The conveying device includes a servo motor, which is fixedly connected to the front side of the conveying platform. Multiple rotating rollers are movably connected to the inside of the conveying platform via a rotating shaft. The output end of the servo motor is fixedly connected to the front side of the leftmost rotating roller. A conveyor belt is provided on the outer surface of the rotating roller.

[0014] More preferably, the fixed plate has sliding grooves on both the front and rear sides of its inner side, and the movable plate has sliders fixedly connected to both the front and rear sides of its inner side, with the sliders slidably connected to the inner side of the sliding grooves.

[0015] More preferably, a guide plate is fixedly connected to the left side of the top of the conveyor platform, and the guide plate is in the shape of an "eight".

[0016] More preferably, a temperature sensor is fixedly connected to the back side of the inner cavity of the cooling box, and a temperature display is fixedly connected to the front side of the cooling box, and the output terminal of the temperature sensor and the input terminal of the temperature display are electrically connected.

[0017] The present invention has the following advantages due to the adoption of the above technical solution:

[0018] I. This utility model, by setting up a spray cooling mechanism, can spray cooling water onto the plastic during the pelletizing process, thereby achieving the purpose of cooling the plastic. The water mist sprayed from the atomizing nozzle can increase the contact area between the plastic pellets and the water, further improving the cooling effect.

[0019] Second, by setting up a cooling mechanism, this utility model can extract hot air from the cooling box through an exhaust fan, accelerate air flow, help remove heat from the surface of the plastic particles, achieve air cooling, and further cool the temperature of the inner cavity of the cooling box by allowing cooling water to enter the inner wall of the cooling pipe.

[0020] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the front view of the main body structure of this utility model;

[0023] Figure 2 This is a cross-sectional view of the conveyor platform of this utility model.

[0024] Figure 3 This is a cross-sectional view of the cooling water tank of this utility model;

[0025] Figure 4 This is a schematic diagram of the cooling mechanism of this utility model from the left side.

[0026] Figure 5 This is a cross-sectional view of the cooling mechanism of this utility model.

[0027] Figure 6 This is a structural diagram of the conveying device of this utility model in its disassembled state.

[0028] Reference numerals: 100, pelletizing device; 101, conveyor table; 102, fixed plate; 103, cylinder; 104, moving plate; 105, pelletizing knife; 106, chute; 107, slider; 108, guide plate; 200, spray cooling mechanism; 201, cooling water tank; 202, high-pressure submersible pump; 203, connecting pipe; 204, atomizing nozzle; 300, cooling mechanism; 301, cooling box; 302, exhaust fan; 303, cooling pipe; 304, guide plate; 305, temperature sensor; 306, temperature display; 400, conveying device; 401, servo motor; 402, rotating roller; 403, conveyor belt. Detailed Implementation

[0029] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0030] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0031] Example 1

[0032] like Figure 1-3 As shown, this utility model embodiment provides a plastic pelletizer with a cooling mechanism, including:

[0033] The pelletizing device 100 includes a conveyor table 101. A fixed plate 102 is fixedly connected to the right side of the top of the conveyor table 101. A cylinder 103 is fixedly connected to the top of the fixed plate 102. The telescopic end of the cylinder 103 extends through the top of the fixed plate 102 to the inner side of the fixed plate 102 and is fixedly connected to a movable plate 104. A pelletizing blade 105 is fixedly connected to the bottom of the movable plate 104.

[0034] The spray cooling mechanism 200 includes a cooling water tank 201, which is located on the right side of the inner cavity of the conveyor 101. A high-pressure submersible pump 202 is fixedly connected inside the cooling water tank 201. The output ends of the high-pressure submersible pump 202 on both the front and rear sides are connected to connecting pipes 203. The other end of the connecting pipe 203 extends through the front and rear sides of the fixed plate 102 to the inner side of the conveyor 101 and is connected to an atomizing nozzle 204.

[0035] By setting up a spray cooling mechanism 200, cooling water can be sprayed onto the plastic during the pelletizing process, thereby achieving the purpose of cooling the plastic. The water mist sprayed from the atomizing nozzle 204 can increase the contact area between the plastic pellets and the water, further improving the cooling effect.

[0036] Example 2

[0037] like Figure 4-5 As shown, in one embodiment, a cooling mechanism 300 is also included. The cooling mechanism 300 includes a cooling box 301, which is fixedly connected to the left side of the conveyor 101. A feeding chute is provided on the right side of the top of the cooling box 301, and a discharging chute is provided on the front side of the cooling box 301. An exhaust fan 302 is fixedly connected to the left side of the cooling box 301. A cooling pipe 303 is provided on the right side of the inner cavity of the cooling box 301. One end of the cooling pipe 303 passes through the front side of the cooling box 301 and extends to the outside. The other end passes through the right side of the cooling box 301 and the left side of the conveyor 101 and is connected to the left side of the cooling water tank 201. Solenoid valves are provided at both ends of the cooling pipe 303. A guide plate 304 is fixedly connected to the bottom of the inner cavity of the cooling box 301, and the guide plate 304 is inclined.

[0038] By setting up a cooling mechanism 300, hot air inside the cooling chamber 301 can be extracted by the exhaust fan 302, accelerating airflow and helping to remove heat from the surface of the plastic particles, thus achieving air cooling. Furthermore, by allowing cooling water to enter the inner wall of the cooling pipe 303, the temperature inside the cooling chamber 301 can be further reduced.

[0039] Example 3

[0040] like Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown, in one embodiment, a conveying device 400 is provided inside the cooling box 301. The conveying device 400 includes a servo motor 401, which is fixedly connected to the front side of the conveyor table 101. A plurality of rotating rollers 402 are movably connected to the inner side of the conveyor table 101 via a rotating shaft. The output end of the servo motor 401 is fixedly connected to the front side of the leftmost rotating roller 402. A conveyor belt 403 is provided on the outer surface of the rotating roller 402. The front and rear sides of the inner side of the fixing plate 102 are both open. A slide 106 is provided, and sliders 107 are fixedly connected to both the front and rear sides of the moving plate 104. The sliders 107 are slidably connected to the inner side of the slide 106. A guide plate 108 is fixedly connected to the left side of the top of the conveyor table 101. The guide plate 108 is V-shaped. A temperature sensor 305 is fixedly connected to the back side of the inner cavity of the cooling box 301. A temperature display 306 is fixedly connected to the front side of the cooling box 301. The output end of the temperature sensor 305 and the input end of the temperature display 306 are electrically connected.

[0041] By setting up the conveying device 400, the cut plastic can be easily conveyed into the inner cavity of the cooling box 301. By setting up the slide 106 and the slider 107, the movement of the moving plate 104 can be easily limited. By setting up the guide plate 108, the cut plastic can be easily guided. By setting up the temperature sensor 305 and the temperature display 306, the temperature in the inner cavity of the cooling box 301 can be easily controlled.

[0042] When this utility model is in operation: First, when it is necessary to granulate the plastic, the high-pressure submersible pump 202 can be turned on first, so that the input end of the high-pressure submersible pump 202 sprays the cooling water in the cooling water tank 201 evenly through the connecting pipe 203 and the atomizing nozzle 204 to achieve the cooling effect on the plastic. At this time, the cylinder 103 is started, so that the extension end of the cylinder 103 extends downward, driving the moving plate 104 and the granulating knife 105 to move downward to granulate the plastic. The granulated plastic is conveyed to the inside of the cooling box 301 through the conveying device 400. The exhaust fan 302 can also be turned on in advance to exchange heat in the inner cavity of the cooling box 301, and the solenoid valve located on the right side can be opened to allow the cooling water in the cooling water tank 201 to enter the inner wall of the cooling pipe 303 to further cool the inner cavity of the cooling box 301. When the plastic enters the interior of the cooling box 301, it can be cooled and discharged from the outlet after being guided by the guide plate 304.

[0043] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A plastic pelletizer with a cooling mechanism, characterized in that, include: A pelletizing device (100) includes a conveyor (101), a fixed plate (102) is fixedly connected to the right side of the top of the conveyor (101), a cylinder (103) is fixedly connected to the top of the fixed plate (102), the telescopic end of the cylinder (103) extends through the top of the fixed plate (102) to the inner side of the fixed plate (102) and is fixedly connected to a movable plate (104), and a pelletizing blade (105) is fixedly connected to the bottom of the movable plate (104). A spray cooling mechanism (200) includes a cooling water tank (201) located on the right side of the inner cavity of the conveyor (101). A high-pressure submersible pump (202) is fixedly connected inside the cooling water tank (201). The output ends of the high-pressure submersible pump (202) on both the front and rear sides are connected to connecting pipes (203). The other end of the connecting pipe (203) extends through the front and rear sides of the fixed plate (102) to the inner side of the conveyor (101) and is connected to an atomizing nozzle (204).

2. A plastic pelletizer with a cooling mechanism according to claim 1, characterized in that: It also includes a cooling mechanism (300), which includes a cooling box (301). The cooling box (301) is fixedly connected to the left side of the conveyor (101). A feeding chute is provided on the right side of the top of the cooling box (301), and a discharge chute is provided on the front side of the cooling box (301). A fan (302) is fixedly connected to the left side of the cooling box (301).

3. A plastic pelletizer with a cooling mechanism according to claim 2, characterized in that: A cooling pipe (303) is provided on the right side of the inner cavity of the cooling box (301). One end of the cooling pipe (303) passes through the front side of the cooling box (301) and extends to the outside. The other end passes through the right side of the cooling box (301) and the left side of the conveyor (101) and is connected to the left side of the cooling water tank (201). Solenoid valves are provided at both ends of the cooling pipe (303).

4. A plastic pelletizer with a cooling mechanism according to claim 2, characterized in that: A guide plate (304) is fixedly connected to the bottom of the inner cavity of the cooling box (301), and the guide plate (304) is inclined.

5. A plastic pelletizer with a cooling mechanism according to claim 2, characterized in that: The cooling box (301) is provided with a conveying device (400) inside. The conveying device (400) includes a servo motor (401). The servo motor (401) is fixedly connected to the front side of the conveyor table (101). Multiple rotating rollers (402) are movably connected to the inner side of the conveyor table (101) through a rotating shaft. The output end of the servo motor (401) is fixedly connected to the front side of the leftmost rotating roller (402). A conveyor belt (403) is provided on the outer surface of the rotating roller (402).

6. A plastic pelletizer with a cooling mechanism according to claim 1, characterized in that: The fixed plate (102) has sliding grooves (106) on both the front and rear sides of its inner side, and the movable plate (104) has sliders (107) fixedly connected to both the front and rear sides, and the sliders (107) are slidably connected to the inner side of the sliding grooves (106).

7. A plastic pelletizer with a cooling mechanism according to claim 1, characterized in that: A guide plate (108) is fixedly connected to the left side of the top of the conveyor (101), and the guide plate (108) is in the shape of an "eight".

8. A plastic pelletizer with a cooling mechanism according to claim 2, characterized in that: A temperature sensor (305) is fixedly connected to the back side of the inner cavity of the cooling box (301), and a temperature display (306) is fixedly connected to the front side of the cooling box (301). The output end of the temperature sensor (305) and the input end of the temperature display (306) are electrically connected.

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