A cooling tank structure of a plastic extruder

Abstract

This utility model discloses a cooling tank structure for a plastic extruder, belonging to the field of extruder technology. The utility model includes a cooling tank body, with a bottom plate welded to the bottom surface of the inner wall of the cooling tank body. Adjustment grooves are formed on both sides of the outer wall of the cooling tank body. One end of the cooling tank body is connected to a water outlet pipe. A spray assembly is slidably fitted onto the adjustment groove. The spray assembly includes a slider, a bracket welded to one side of the slider, a conveying pipe mounted on the top of the bracket, a row of nozzles mounted on the conveying pipe, and a water supply pipe connected to the middle of the conveying pipe. A row of guide plates is welded to the bottom plate. A water inlet assembly is installed at the other end of the cooling tank body. The water inlet assembly includes a water inlet pipe, one end of which is connected to a guide bucket, and a flow straightener is mounted at one end of the guide bucket. Through the cooperation of the bottom plate, spray assembly, guide plates, and water inlet assembly, the guide plates are arranged at equal heights and from low to high along the inclined bottom plate, forming a stable cascading effect, enhancing water flow turbulence and mixing, and improving cooling uniformity.

Description

Technical Field

[0001] This utility model relates to the field of extruder technology, specifically to a cooling tank structure for a plastic extruder. Background Technology

[0002] Many plastic pipes are formed by extrusion. Because the extruded plastic is at a high temperature, it cannot be directly reprocessed. Therefore, cooling tanks are usually installed next to the extruder to cool the extruded plastic with water.

[0003] The existing cooling tank adopts a single axial water flow design, with cooling water flowing in a straight line and poor flow velocity uniformity. This easily forms a laminar boundary layer in the tank, resulting in differences in the contact time and heat exchange intensity of the cooling medium at different locations on the surface of the plastic profile. Insufficient water flow disturbance leads to prolonged cooling time and increased energy consumption. Utility Model Content

[0004] The purpose of this invention is to provide a cooling tank structure for a plastic extruder. Through the cooperation of a base plate, a spray assembly, a guide plate, and a water inlet assembly, the top of the guide plate is at the same height and is set from low to high along the inclined base plate to form a stable cascading effect, enhance water flow turbulence and mixing, and improve cooling uniformity. The guide bucket of the water inlet assembly accelerates the water flow and introduces air through the through holes of the rectifier plate to form bubbles, thereby enhancing the gas-liquid heat exchange efficiency. The spray assembly can slide along the adjustment groove to adjust the position of the spray nozzles to adapt to the local cooling needs of different specifications of profiles, effectively reduce the internal stress and deformation of the profiles, and improve the quality of finished products and production efficiency.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model relates to a cooling tank structure for a plastic extruder, comprising a cooling tank body, a bottom plate welded to the bottom surface of the inner wall of the cooling tank body, adjustment grooves on both sides of the outer wall of the cooling tank body, a water outlet pipe connected to one end of the cooling tank body, a spray assembly slidably fitted on the adjustment groove, the spray assembly including a slider, a bracket welded to one side of the slider, a conveying pipe installed at the top of the bracket, a row of nozzles installed on the conveying pipe, a water supply pipe connected to the middle of the conveying pipe, a row of guide plates welded to the bottom plate, and a water inlet assembly installed at the other end of the cooling tank body, the water inlet assembly including a water inlet pipe, a guide bucket connected to one end of the water inlet pipe, and a flow straightener plate installed at one end of the guide bucket.

[0007] Furthermore, the cooling tank body is a rectangular trough with an open top surface. Four support legs are welded at the four corners of the bottom surface of the cooling tank body. The bottom plate is set at an incline on the bottom surface of the inner wall of the cooling tank body. A water outlet hole is opened through the lower part of one side of the cooling tank body. One end of the water outlet pipe passes through the water outlet hole and is connected to the cooling tank body. The opening section of the regulating trough is set in a "T" shape.

[0008] Furthermore, there are two sliders and two brackets. The slider is in the shape of a "T" block and slides inside the adjustment groove. The bracket is in the shape of an "L" rod, with the short end of the "L" rod of the bracket abutting against one side of the slider. The two sliders and brackets are located on both sides of the cooling tank body. The two ends of the delivery pipe abut against each other between the two brackets. A row of through holes is opened on the delivery pipe. One end of the nozzle is connected to the mounting hole. A water delivery hole runs through the middle of the delivery pipe, and one end of the water delivery pipe runs through the water delivery hole and is connected to the delivery pipe.

[0009] Furthermore, the highest point of the base plate is located on the side near the water inlet component, and the lowest point of the base plate is located on the side near the water outlet pipe. The guide plate is rectangular in shape, and a row of guide plates is set from the highest point to the lowest point on the base plate, with the tops of the row of guide plates all located on the same horizontal plane.

[0010] Furthermore, a water inlet hole is provided through the upper part of the other side of the cooling tank body, and one end of the water inlet pipe is connected to the cooling tank body through the water inlet hole. The guide bucket is shaped like a bucket with openings at both ends. The smaller end of the guide bucket is connected to one end of the water inlet pipe. Several through holes are provided through the rectifier plate, and one side of the rectifier plate is welded to the larger end of the guide bucket.

[0011] This utility model has the following beneficial effects:

[0012] This utility model utilizes a base plate, a spray assembly, a guide plate, and a water inlet assembly. The top of the guide plate is at the same height and is set from low to high along the inclined base plate to form a stable cascading effect, enhancing water flow turbulence and mixing, and improving cooling uniformity. The guide bucket of the water inlet assembly accelerates the water flow and introduces air through the through holes of the rectifier plate to form bubbles, thereby enhancing the gas-liquid heat exchange efficiency. The spray assembly can slide along the adjustment groove to adjust the position of the spray nozzles, adapting to the local cooling needs of different specifications of profiles, effectively reducing internal stress and deformation of the profiles, and improving finished product quality and production efficiency.

[0013] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the cooling tank structure;

[0015] Figure 2 This is a schematic diagram of the internal structure of the cooling tank;

[0016] Figure 3 This is a schematic diagram of the spray assembly.

[0017] Figure 4 This is a structural diagram of the cooling tank body, bottom plate, regulating tank, water outlet pipe, guide plate and water inlet assembly.

[0018] In the diagram: 1. Cooling tank body; 2. Base plate; 3. Adjustment tank; 4. Water outlet pipe; 5. Spray assembly; 501. Slider; 502. Support; 503. Conveying pipe; 504. Nozzle; 505. Water supply pipe; 6. Guide plate; 7. Water inlet assembly; 701. Water inlet pipe; 702. Guide bucket; 703. Rectifier plate. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-4This utility model provides a technical solution: a cooling tank structure for a plastic extruder, including a cooling tank body 1, a bottom plate 2 welded to the bottom surface of the inner wall of the cooling tank body 1, adjustment grooves 3 on both sides of the outer wall of the cooling tank body 1, a water outlet pipe 4 connected to one end of the cooling tank body 1, the cooling tank body 1 being a rectangular groove with an open top surface, four support legs welded to the four corners of the bottom surface of the cooling tank body 1, the bottom plate 2 being inclinedly set on the bottom surface of the inner wall of the cooling tank body 1, a water outlet hole penetrating through the lower part of one side of the cooling tank body 1, one end of the water outlet pipe 4 penetrating through the water outlet hole and connected to the cooling tank body 1, the opening cross-section of the adjustment groove 3 being T-shaped, and a spray assembly 5 slidingly fitted on the adjustment groove 3, the spray assembly 5 including... A slider 501 has a bracket 502 welded to one side. A conveying pipe 503 is installed at the top of the bracket 502, and a row of nozzles 504 are installed on the conveying pipe 503. A water supply pipe 505 is connected to the middle of the conveying pipe 503. There are two sliders 501 and two brackets 502. The slider 501 is a "T"-shaped block and slides inside the adjusting groove 3. The bracket 502 is an "L"-shaped rod, with the short end of the "L"-shaped rod abutting against one side of the slider 501. The two sliders 501 and the brackets 502 are located on both sides of the cooling tank body 1. The two ends of the conveying pipe 503 abut against the opposite sides of the two brackets 502. A row of through holes is opened on the conveying pipe 503. 04 One end is connected to the mounting hole. The middle of the conveying pipe 503 has a water inlet. One end of the water inlet pipe 505 is connected to the conveying pipe 503 through the water inlet. A row of guide plates 6 is welded on the base plate 2. The highest point of the base plate 2 is located near the water inlet component 7, and the lowest point of the base plate 2 is located near the water outlet pipe 4. Solenoid valves are installed on the water inlet pipe 701 and the water outlet pipe 4 respectively to control the water flow. The guide plates 6 are rectangular plates and made of stainless steel. A row of guide plates 6 is set from the highest point to the lowest point on the base plate 2. The tops of the row of guide plates 6 are all on the same horizontal plane. There are gaps between the row of guide plates 6. The two ends of the row of guide plates 6 and the two sides of the inner wall of the cooling tank body 1 are provided with There is a gap. A water inlet assembly 7 is installed at the other end of the cooling tank body 1. The water inlet assembly 7 includes a water inlet pipe 701. One end of the water inlet pipe 701 is connected to the guide bucket 702. A flow rectifier plate 703 is installed at one end of the guide bucket 702. A water inlet hole is opened through the upper part of the other side of the cooling tank body 1. One end of the water inlet pipe 701 is connected to the cooling tank body 1 through the water inlet hole. The guide bucket 702 is a bucket shape with two openings. It is used to accelerate the water flow and guide it to the flow rectifier plate 703. The smaller opening end of the guide bucket 702 is connected to one end of the water inlet pipe 701. Several through holes are opened through the flow rectifier plate 703 to cut the water flow and introduce air to form bubbles. One side of the flow rectifier plate 703 is welded to the larger opening end of the guide bucket 702.

[0021] First, connect an external power source to the electrical equipment in this device. Place the device in the designated working position. Cooling water flows in from the inlet pipe 701, is accelerated by the guide bucket 702, and then impacts the rectifier plate 703. The through holes of the rectifier plate 703 cut the water flow and introduce air to form bubbles. The water flow containing bubbles enters the cooling tank body 1. Because the bottom plate 2 is inclined and the guide plates 6 are arranged from high to low with the tops at the same height, the water flow gradually crosses the guide plates 6 to form a waterfall effect, which enhances mixing and turbulence. The spray assembly 5 can slide along the adjustment tank 3 to adjust its position. The nozzle 504 sprays water onto the plastic profile to assist in cooling. The cooling water finally flows out through the outlet pipe 4. The solenoid valves on the inlet pipe 701 and the outlet pipe 4 control the flow of water.

[0022] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A cooling tank structure for a plastic extruder, comprising a cooling tank body (1), characterized in that: The cooling tank body (1) has a bottom plate (2) welded to the bottom surface of its inner wall. The cooling tank body (1) has adjustment grooves (3) on both sides of its outer wall. One end of the cooling tank body (1) is connected to a water outlet pipe (4). A spray assembly (5) is slidably fitted on the adjustment groove (3). The spray assembly (5) includes a slider (501). A bracket (502) is welded to one side of the slider (501). A conveying pipe (503) is installed at the top of the bracket (502). A row of nozzles (504) is installed on the conveying pipe (503). A water supply pipe (505) is connected to the middle of the conveying pipe (503). A row of guide plates (6) is welded to the bottom plate (2). A water inlet assembly (7) is installed at the other end of the cooling tank body (1). The water inlet assembly (7) includes a water inlet pipe (701). One end of the water inlet pipe (701) is connected to a guide bucket (702). A rectifier plate (703) is installed at one end of the guide bucket (702).

2. The cooling tank structure of a plastic extruder according to claim 1, characterized in that, The cooling tank body (1) is a rectangular trough with an open top surface. Four support legs are welded to the four corners of the bottom surface of the cooling tank body (1). The bottom plate (2) is inclined and set on the bottom surface of the inner wall of the cooling tank body (1). A water outlet hole is opened through the lower part of one side of the cooling tank body (1). One end of the water outlet pipe (4) is connected to the cooling tank body (1) through the water outlet hole. The opening section of the regulating trough (3) is set in a "T" shape.

3. The cooling tank structure of a plastic extruder according to claim 2, characterized in that, There are two sliders (501) and brackets (502). The slider (501) is a "T"-shaped block and is slidably fitted inside the adjustment groove (3). The bracket (502) is an "L"-shaped rod. The short end of the "L"-shaped rod of the bracket (502) is set against one side of the slider (501). The two sliders (501) and brackets (502) are located on both sides of the cooling tank body (1). The two ends of the conveying pipe (503) are set against the opposite sides of the two brackets (502). A row of through holes is opened on the conveying pipe (503). One end of the nozzle (504) is connected to the mounting hole. A water conveying hole is passed through the middle of the conveying pipe (503). One end of the water conveying pipe (505) is connected to the conveying pipe (503) through the water conveying hole.

4. The cooling tank structure of a plastic extruder according to claim 1, characterized in that, The highest point of the base plate (2) is located on the side near the water inlet component (7), and the lowest point of the base plate (2) is located on the side near the water outlet pipe (4). The guide plate (6) is rectangular in shape. A row of guide plates (6) is arranged from the highest point to the lowest point on the base plate (2) from bottom to top. The tops of the row of guide plates (6) are all located on the same horizontal plane.

5. The cooling tank structure of a plastic extruder according to claim 1, characterized in that, The cooling tank body (1) has a water inlet hole through the upper part of the other side. One end of the water inlet pipe (701) is connected to the cooling tank body (1) through the water inlet hole. The guide bucket (702) is a bucket shape with openings at both ends. The smaller opening end of the guide bucket (702) is connected to one end of the water inlet pipe (701). Several through holes are opened through the rectifier plate (703). One side of the rectifier plate (703) is welded to the larger opening end of the guide bucket (702).

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