A cooling device for plastic extruder

Abstract

The utility model discloses a cooling device for a plastic extruder, and relates to the technical field of plastic extruders, including a cooling box, wherein a spray chamber, a water cooling chamber and a blast chamber are sequentially arranged inside the cooling box from left to right, wherein a spray mechanism is arranged in the spray chamber, a water cooling mechanism is arranged in the water cooling chamber, and a blast mechanism is arranged in the blast chamber. The utility model sequentially conveys extrusion pieces through the spray chamber, the water cooling chamber and the blast chamber through the cooperation of each group of conveying racks, and firstly sprays and cools the extrusion pieces through a spray head, so that the extrusion pieces are initially cooled, and then soaked in cold water in the water cooling chamber, and gradually transitioned to a low temperature to prevent the extrusion pieces from being damaged, and then the water on the surface of the extrusion pieces is blown dry by a fan.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic extruders, in particular to a cooling device for a plastic extruder. Background Art

[0002] In plastic extrusion production, the material is first extruded through a screw extruder to obtain a linear melt, namely a plastic strip. Since the plastic strip is still in the plastic stage after being extruded from the screw extruder, it needs to be cooled before entering the next process.

[0003] In the prior art, the cooling device of the plastic extruder mostly adopts a box filled with water, and the plastic needs to be guided and immersed in the water, which can easily cause the plastic to deform and be damaged. At the same time, the plastic cannot be cooled gradually, resulting in direct contact between the higher temperature plastic and the lower temperature cooling water, causing damage to the plastic. At the same time, during the discharging process, the plastic is easily scratched by the cooling device because the tension cannot be maintained. Utility Model Content

[0004] In order to overcome the above-mentioned defects in the prior art, the utility model provides a cooling device for a plastic extruder.

[0005] The utility model solves the technical problem by adopting the following technical solution: a plastic extruder cooling device, comprising a cooling box, wherein a spray chamber, a water cooling chamber and a blast chamber are sequentially arranged from left to right inside the cooling box, a spray mechanism is arranged in the spray chamber, a water cooling mechanism is arranged in the water cooling chamber, and a blast mechanism is arranged in the blast chamber.

[0006] Furthermore, only a first feed inlet is provided on the left side wall of the spray chamber, a second feed inlet is provided on the side wall between the spray chamber and the water cooling chamber, a third feed inlet is provided on the side wall between the water cooling chamber and the blast chamber, and a discharge port is provided on the right side wall of the blast chamber.

[0007] Furthermore, the spray mechanism includes spray heads, and several groups of the spray heads are arranged on the front inner wall, rear inner wall and upper inner wall of the spray room. The outer side of each group of the spray heads is connected to a main pipe through branch pipes, and the main pipe is externally connected to a water supply device.

[0008] Furthermore, the water cooling mechanism includes a water inlet pipe, which is located on the left side of the bottom of the water cooling chamber. A water outlet pipe is provided on the right side of the bottom of the water cooling chamber. The water inlet pipe and the water outlet pipe are externally connected to a cooling water circulation device to realize reciprocating circulation of water in the water cooling chamber.

[0009] Furthermore, the blowing mechanism includes a fan, and the fan is provided in a plurality of groups. The fan is fixedly mounted on the upper inner wall of the blowing chamber.

[0010] Furthermore, a plurality of groups of first conveying racks are fixedly installed inside the spray chamber, and the first conveying racks are used for conveying the extruded parts.

[0011] Furthermore, a third conveying rack is fixedly installed on the top of the water-cooling chamber, and a plurality of groups of fourth conveying racks are fixedly installed on the bottom of the water-cooling chamber. The fourth conveying racks and the third conveying racks are used to convey the extruded parts.

[0012] Furthermore, a plurality of groups of fifth conveying racks are fixedly installed in the blast chamber, and the fifth conveying racks are used for conveying extruded parts.

[0013] Furthermore, a second conveyor rack is fixedly installed in the second feed port, a sixth conveyor rack is fixedly installed in the discharge port, and the extruded parts are transported sequentially through the first feed port, the second conveyor rack on the second feed port, the third feed port and the sixth conveyor rack on the discharge port.

[0014] The beneficial effect of the utility model is that the extruded parts are transported through the spray chamber, the water cooling chamber and the blast chamber in sequence by the cooperation of each group of conveying racks, and the extruded parts are firstly sprayed and cooled by the spray head to make the extruded parts preliminarily cooled, and then immersed in cold water in the water cooling chamber to gradually transition to a low temperature to prevent the extruded parts from being damaged, and then the water on the surface of the extruded parts is blown dry by the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0016] Figure 1 It is a front cross-sectional view of the utility model;

[0017] Figure 2 It is a schematic diagram of the spray mechanism of the utility model;

[0018] Figure 3 It is a schematic diagram of the water cooling mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of the blowing mechanism of the utility model.

[0020] In the figure, 1. cooling box, 101. spray chamber, 102. water cooling chamber, 103. blast chamber, 104. first feed port, 105. second feed port, 106. third feed port, 107. discharge port, 2. first conveyor rack, 3. extrusion piece, 4. second conveyor rack, 5. third conveyor rack, 6. fourth conveyor rack, 7. fifth conveyor rack, 8. fan, 9. sixth conveyor rack, 10. spray head, 11. branch pipe, 12. main pipe, 13. water inlet pipe, 14. water outlet pipe. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0022] like Figures 1 to 4 As shown, the utility model includes a cooling box 1, wherein a spray chamber 101, a water cooling chamber 102 and a blast chamber 103 are sequentially arranged inside the cooling box 1 from left to right, wherein a spray mechanism is arranged inside the spray chamber 101, a water cooling mechanism is arranged inside the water cooling chamber 102, and a blast mechanism is arranged inside the blast chamber 103.

[0023] like Figure 1 and Figure 2 As shown, the spray mechanism includes a spray head 10, and the spray head 10 is arranged in several groups on the front inner wall, the rear inner wall and the upper inner wall of the spray chamber 101. The outer side of each group of the spray heads 10 is connected to a main pipe 12 through a branch pipe 11. The main pipe 12 is externally connected to a water supply device. Only a first feed port 104 is arranged on the left side wall of the spray chamber 101, and a second feed port 105 is arranged on the side wall between the spray chamber 101 and the water cooling chamber 102. Several groups of first conveying racks 2 are fixedly installed inside the spray chamber 101, and a second conveying rack 4 is fixedly installed inside the second feed port 105. The first conveying rack 2 and the second conveying rack 4 are used for conveying the extruded parts 3.

[0024] like Figure 1 and Figure 3 As shown, the water cooling mechanism includes a water inlet pipe 13, and the water inlet pipe 13 is located at the bottom left of the water cooling chamber 102. A water outlet pipe 14 is arranged on the bottom right of the water cooling chamber 102. The water inlet pipe 13 and the water outlet pipe 14 are externally connected to a cooling water circulation device to realize the reciprocating flow of water in the water cooling chamber 102. A third feed port 106 is arranged on the side wall between the water cooling chamber 102 and the blast chamber 103. A third conveying rack 5 is fixedly installed on the top of the water cooling chamber 102, and several groups of fourth conveying racks 6 are fixedly installed on the bottom of the water cooling chamber 102. The fourth conveying rack 6 and the third conveying rack 5 are used to transport the extruded parts 3.

[0025] like Figure 1 and Figure 4 As shown, the blowing mechanism includes a fan 8, and the fan 8 is provided in several groups. The fan 8 is fixedly installed on the upper inner wall of the blowing chamber 103. A discharge port 107 is provided on the right side wall of the blowing chamber 103. The sixth conveying rack 9 is fixedly installed in the discharge port 107. Several groups of fifth conveying racks 7 are fixedly installed in the blowing chamber 103. The fifth conveying rack 7 is used to transport the extruded parts 3.

[0026] like Figure 1 As shown, the extrusion piece 3 is transported through the first feed port 104 , the second conveying rack 4 on the second feed port 105 , the third feed port 106 and the sixth conveying rack 9 on the discharge port 107 in sequence.

[0027] When the utility model is in use, the extruded piece 3 is transported through the first conveying rack 2, the second conveying rack 4, the third conveying rack 5, the fourth conveying rack 6, the fifth conveying rack 7 and the sixth conveying rack 9 to pass through the spray chamber 101, the water cooling chamber 102 and the blast chamber 103 in sequence, and the extruded piece 3 is firstly sprayed and cooled by the spray head 10 to make the extruded piece 3 initially cooled, and then immersed in cold water in the water cooling chamber 102 to gradually transition to a low temperature to prevent the extruded piece 3 from being damaged, and then the water on the surface of the extruded piece 3 is blown dry by the fan 8.

[0028] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A cooling device for a plastic extruder, comprising a cooling box (1), characterized in that: The interior of the cooling box (1) is provided with a spray chamber (101), a water cooling chamber (102) and a blast chamber (103) from left to right in sequence; the spray chamber (101) is provided with a spray mechanism, the water cooling chamber (102) is provided with a water cooling mechanism, and the blast chamber (103) is provided with a blast mechanism.

2. A plastic extruder cooling device according to claim 1, characterized in that: The spray chamber (101) is provided with only a first feed inlet (104) on the left side wall, a second feed inlet (105) is provided on the side wall between the spray chamber (101) and the water cooling chamber (102), a third feed inlet (106) is provided on the side wall between the water cooling chamber (102) and the blast chamber (103), and a discharge port (107) is provided on the right side wall of the blast chamber (103).

3. A plastic extruder cooling device according to claim 2, characterized in that: The spray mechanism comprises a spray head (10), and a plurality of groups of the spray heads (10) are arranged on the front inner wall, the rear inner wall and the upper inner wall of the spray chamber (101). The outer side of each group of the spray heads (10) is connected to a main pipe (12) via a branch pipe (11), and the main pipe (12) is externally connected to a water supply device.

4. A plastic extruder cooling device according to claim 3, characterized in that: The water cooling mechanism comprises a water inlet pipe (13), the water inlet pipe (13) is located on the left side of the bottom of the water cooling chamber (102), a water outlet pipe (14) is arranged on the right side of the bottom of the water cooling chamber (102), and the water inlet pipe (13) and the water outlet pipe (14) are externally connected to a cooling water circulation device to realize a reciprocating circulation of water in the water cooling chamber (102).

5. A plastic extruder cooling device according to claim 4, characterized in that: The air blowing mechanism comprises a fan (8), and the fan (8) is provided in a plurality of groups. The fan (8) is fixedly mounted on the upper inner wall of the air blowing chamber (103).

6. A cooling device for a plastic extruder according to claim 5, characterized in that: A plurality of groups of first conveying racks (2) are fixedly installed inside the spray chamber (101), and the first conveying racks (2) are used to convey the extruded parts (3).

7. A plastic extruder cooling device according to claim 6, characterized in that: A third conveying rack (5) is fixedly installed on the top of the water cooling chamber (102), and a plurality of groups of fourth conveying racks (6) are fixedly installed on the bottom of the water cooling chamber (102). The fourth conveying racks (6) and the third conveying racks (5) are used to convey the extruded parts (3).

8. A cooling device for a plastic extruder according to claim 7, characterized in that: A plurality of groups of fifth conveying racks (7) are fixedly installed in the blast chamber (103), and the fifth conveying racks (7) are used to convey the extruded parts (3).

9. A plastic extruder cooling device according to claim 8, characterized in that: A second conveying rack (4) is fixedly installed in the second feed port (105), and a sixth conveying rack (9) is fixedly installed in the discharge port (107). The extruded component (3) is sequentially conveyed through the first feed port (104), the second conveying rack (4) on the second feed port (105), the third feed port (106), and the sixth conveying rack (9) on the discharge port (107).

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