Molding powder extrusion sheet cooling device

Abstract

The utility model discloses a molding powder extrusion sheet cooling device which comprises a conveying device, a water tank is fixedly installed on the bottom wall of the conveying device, two semiconductor coolers are fixedly installed on the outer wall of the water tank, a circulating pump is fixedly installed on the outer wall of the water tank through a first supporting mechanism, and an inlet pipe of the circulating pump penetrates into the water tank. A drainage pipe communicated with the interior is fixedly mounted on the outer wall of the water tank. The semiconductor cooler, the connecting sleeve, the hollow roller and other assemblies are arranged, the hollow roller can rotate through cooperation of the rotating pipe and the connecting sleeve, and therefore the utilization rate of cooling water can be increased, and the cooling water can be continuously output along with continuous output of the circulating pump; the cooling water after heat absorption can flow into the circulating pipe through cooperation of the connecting sleeve on the other side and the connecting pipe, and the cooling water after heat absorption can flow into the water tank again in the circulating pipe and is refrigerated again, so that circulation and continuous use of the cooling water can be realized, and the cooling effect on the extrusion sheet can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder coating production technical field especially relates to plastic powder extrusion piece cooling device. BACKGROUND

[0002] Powder coating is a kind of solid powder coating without organic solvent and water, mainly through powder spraying to the coating object, after baking melt flow flat, solidification into film, and traditional solvent type coating and water-based coating are different, powder coating with its unique solid powder form and outstanding performance in coating field.

[0003] In the production process of powder coating, the raw material coming out of the melt extruder needs to be pressed into sheet material by a roller press first, and then cooled, in the prior art, most of the cooling devices, when in use, heat exchange pipes are arranged to exchange heat with cooling water to cool the extruded sheet, when the cooling water absorbs heat, it cannot be cooled in time, which leads to the need for a large amount of cooling water during the cooling process, and when the cooling speed of the cooling water cannot meet the usage amount, the cooling effect of the extruded sheet will be affected, which may cause the product to deform or crack, and the practicability is poor, therefore, the plastic powder extrusion piece cooling device needs to be redesigned to solve the above problems. SUMMARY

[0004] The utility model discloses a plastic powder extrusion piece cooling device to solve the shortcoming in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The plastic powder extrusion piece cooling device comprises a conveying device, a water tank is fixedly installed on the bottom wall of the conveying device, two semiconductor refrigerators are fixedly installed on the outer wall of the water tank, a circulating pump is fixedly installed on the outer wall of the water tank through a first supporting mechanism, a circulating pump inlet pipe penetrates into the water tank, a drain pipe in communication with the inside of the water tank is fixedly installed on the outer wall of the water tank, a water filling pipe in communication with the inside of the water tank is fixedly installed on the outer wall of the water tank, a water filling bucket is fixedly installed on the outer wall of the water filling pipe, a supporting frame is fixedly installed on the upper end face of the water tank, a connecting frame is fixedly connected to the bottom wall of the supporting frame through a lifting mechanism, two connecting sleeves are rotatably installed in the inner wall of the connecting frame, rotating pipes are rotatably installed in the interiors of the two connecting sleeves, a hollow roller is fixedly installed between the two rotating pipes, an adapter pipe is rotatably connected to the outer wall of each rotating pipe through an adapter mechanism, a flexible hose is fixedly installed on the outer wall of the circulating pump outlet pipe, the inner wall of the flexible hose is fixedly connected to the outer wall of one of the adapter pipes, and the outer wall of the other adapter pipe is slidably installed in a circulating pipe.

[0007] Preferably, the first supporting mechanism comprises a first supporting plate fixedly installed on the outer wall of the water tank, and the circulating pump is fixedly installed on the upper end surface of the first supporting plate.

[0008] Preferably, the lifting mechanism comprises an electric push rod fixedly installed on the bottom wall of the supporting frame, and the telescopic end of the electric push rod is fixedly connected with the upper end surface of the connecting frame.

[0009] Preferably, the connecting mechanism comprises a connecting sleeve fixedly installed on the outer wall of the rotating pipe, the inner wall of the connecting sleeve is fixedly connected with the outer wall of the connecting pipe, and the outer wall of the supporting frame is provided with a moving opening matched with one of the connecting sleeves.

[0010] Preferably, the second supporting mechanism comprises a second supporting plate fixedly installed on the outer wall of the conveying device, and the air cooler is fixedly installed on the upper end surface of the second supporting plate.

[0011] Preferably, the outer wall of the two air cooler outlet pipes is fixedly provided with a blowing pipe in common, and the outer wall of the blowing pipe is fixedly provided with a strip-shaped blowing nozzle in communication with the inside.

[0012] The utility model discloses a plastic powder extruded sheet cooling device, which belongs to the technical field of plastic powder extruded sheet cooling devices.

[0013] 1. By setting up semiconductor refrigerator, connecting sleeve and hollow roller etc. Component, hollow roller can rotate through the cooperation of rotating pipe and connecting sleeve, thereby can increase the utilization rate of cooling water, and with the continuous output of circulating pump, the heat-absorbed cooling water can flow into the inside of circulating pipe through the cooperation of another side connecting sleeve and connecting pipe, and the heat-absorbed cooling water can flow into the inside of water tank again and be refrigerated again in the inside of circulating pipe, thereby can realize the circulation and continuous use of cooling water, thereby can guarantee the cooling effect of extruded sheet.

[0014] 2. By setting up air cooler, blowing pipe and strip-shaped blowing port etc. Component, the air cooler on both sides can blow cold air to the inside of blowing pipe, and the cold air is blown out from the inside of blowing pipe through strip-shaped blowing nozzle, thereby can make the cold air secondary cool extruded sheet, can further reduce the temperature of extruded sheet, makes its internal organization more stable, thereby improves the mechanical properties of material, such as strength, hardness and corrosion resistance etc. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the structure schematic diagram of plastic powder extruded sheet cooling device that the utility model provides;

[0016] Figure 2 It is the vertical section structure schematic diagram of Figure 1 ;

[0017] Figure 3 It is the side view structure schematic diagram of plastic powder extruded sheet cooling device that the utility model provides;

[0018] Figure 4 For Figure 3 The structure at A in the figure is enlarged.

[0019] In the figure: 1 conveying device, 2 water tank, 3 semiconductor refrigerator, 4 first support plate, 5 circulating pump, 6 drain pipe, 7 water filling pipe, 8 water filling bucket, 9 support frame, 10 electric push rod, 11 connecting frame, 12 connecting sleeve, 13 rotating pipe, 14 hollow roller, 15 connecting sleeve, 16 connecting pipe, 17 flexible hose, 18 circulating pipe, 19 second support plate, 20 air cooler, 21 air blowing pipe, 22 strip-shaped air blowing nozzle. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0021] Referring to Figures 1-4 , the plastic powder extruded sheet cooling device comprises a conveying device 1, the bottom wall of the conveying device 1 is fixedly installed with a water tank 2, the water tank 2 is made of stainless steel material, has good heat conductivity and corrosion resistance, the outer wall of the water tank 2 is fixedly installed with two semiconductor refrigerators 3, the semiconductor refrigerators 3 do not use refrigerant, so there is no leakage and no pollution to the environment, the semiconductor refrigerators 3 have fast action speed, reliable work, long service life, easy control and convenient adjustment, the refrigeration capacity of the device can be adjusted by adjusting the working current, the outer wall of the water tank 2 is fixedly installed with a circulating pump 5 through a first support mechanism, the first support mechanism comprises a first support plate 4 fixedly installed on the outer wall of the water tank 2, the circulating pump 5 is fixedly installed on the upper end face of the first support plate 4, the inlet pipe of the circulating pump 5 penetrates into the inside of the water tank 2, the outer wall of the water tank 2 is fixedly installed with a drain pipe 6 in communication with the inside, the outer wall of the water tank 2 is fixedly installed with a water filling pipe 7 in communication with the inside, the outer wall of the water filling pipe 7 is fixedly installed with a water filling bucket 8, the upper end face of the water tank 2 is fixedly installed with a support frame 9, the bottom wall of the support frame 9 is fixedly connected with a connecting frame 11 through a lifting mechanism, the lifting mechanism comprises an electric push rod 10 fixedly installed on the bottom wall of the support frame 9, and the telescopic end of the electric push rod 10 is fixedly connected with the upper end face of the connecting frame 11.

[0022] Two connecting sleeves 12 are rotatably installed in the inner wall of the connecting frame 11, two rotating pipes 13 are rotatably installed in the connecting sleeves 12, a hollow roller 14 is fixedly installed between the two rotating pipes 13, two connecting pipes 16 are rotatably connected to the outer walls of the two rotating pipes 13 through a connecting mechanism, the connecting mechanism comprises a connecting sleeve 15 fixedly installed on the outer wall of the rotating pipe 13, the inner wall of the connecting sleeve 15 is fixedly connected with the outer wall of the connecting pipe 16, and a moving opening matched with one of the connecting sleeves 15 is formed in the outer wall of the support frame 9.

[0023] The outer wall of the outlet pipe of the circulating pump 5 is fixedly provided with a telescopic hose 17, the inner wall of the telescopic hose 17 is fixedly connected with the outer wall of one of the two connecting pipes 16, and the outer wall of the other connecting pipe 16 is slidably arranged in the circulating pipe 18, the end of the circulating pipe 18 is communicated with the inside of the water tank 2, and the outer wall of the conveying device 1 is fixedly provided with two cold air machines 20 through a second supporting mechanism, the second supporting mechanism comprises a second supporting plate 19 fixedly arranged on the outer wall of the conveying device 1, and the cold air machines 20 are fixedly arranged on the upper end surface of the second supporting plate 19, the outer wall of the outlet pipes of the two cold air machines 20 is fixedly provided with a blowing pipe 21, and the outer wall of the blowing pipe 21 is fixedly provided with a strip-shaped blowing nozzle 22 communicated with the inside.

[0024] When the utility model is used, the cooling water can be added into the water tank 2 through the cooperation of the water adding bucket 8 and the water adding pipe 7, at this time, the two semiconductor refrigerators 3 can refrigerate the outer wall of the water tank 2, and the cooling water in the water tank 2 can be refrigerated through the conduction of temperature, in the process that the conveying device 1 conveys the extruded sheet, the circulating pump 5 can pump the refrigerated cooling water into the water tank 2 through the inlet pipe, and the cooling water can be injected into the hollow roller 14 through the cooperation of the telescopic hose 17, one side connecting pipe 16 and connecting sleeve 15, at this time, the cooling water can rapidly reduce the temperature of the hollow roller 14, so that the outer wall of the hollow roller 14 is in a low-temperature state.

[0025] At the same time, the electric push rod 10 can drive the hollow roller 14 to move downwards through the cooperation of the connecting frame 11, so that the low-temperature outer wall of the hollow roller 14 is in contact with the surface of the extruded sheet, thereby the extruded sheet can be cooled, at this time, one of the two connecting pipes 16 can compress the telescopic hose 17, and the other connecting pipe 16 can move downwards in the circulating pipe 18, and in the process, the hollow roller 14 can rotate through the cooperation of the rotating pipe 13 and the connecting sleeve 15, so that the utilization rate of the cooling water can be increased, and with the continuous output of the circulating pump 5, the heat-absorbed cooling water can flow into the circulating pipe 18 through the cooperation of the other side connecting sleeve 15 and connecting pipe 16, the heat-absorbed cooling water can reflow into the water tank 2 in the circulating pipe 18 and be refrigerated again, thereby the circulation and continuous use of the cooling water can be realized, so that the cooling effect on the extruded sheet can be guaranteed, when the extruded sheet moves to the lower side of the blowing pipe 21, the cold air machines 20 on both sides can blow the cold air into the blowing pipe 21, and the cold air is blown out from the blowing pipe 21 through the strip-shaped blowing nozzle 22, thereby the cold air can cool the extruded sheet twice, the temperature of the extruded sheet can be further reduced, the internal organization of the extruded sheet is more stable, and the mechanical properties of the material, such as strength, hardness and corrosion resistance, are improved, and the cooling water after long-term use can be discharged from the water tank 2 through the drain pipe 6.

[0026] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. Device for cooling of extruded pellets of plastic powder, comprising a conveying device (1), characterized in that The bottom wall of the conveying device (1) is fixedly installed with a water tank (2), the outer wall of the water tank (2) is fixedly installed with two semiconductor refrigerators (3), the outer wall of the water tank (2) is fixedly installed with a circulating pump (5) through a first supporting mechanism, the inlet pipe of the circulating pump (5) penetrates into the inside of the water tank (2), the outer wall of the water tank (2) is fixedly installed with a drain pipe (6) in communication with the inside, the outer wall of the water tank (2) is fixedly installed with a water adding pipe (7) in communication with the inside, the outer wall of the water adding pipe (7) is fixedly installed with a water adding hopper (8), the upper end surface of the water tank (2) is fixedly installed with a supporting frame (9), the bottom wall of the supporting frame (9) is fixedly connected with a connecting frame (11) through a lifting mechanism, the inner wall of the connecting frame (11) is rotatably penetrated and installed with two connecting sleeves (12), the inside of each of the two connecting sleeves (12) is rotatably installed with a rotating pipe (13), the hollow roller (14) is fixedly installed between the two rotating pipes (13), the outer wall of each of the two rotating pipes (13) is rotatably connected with a connecting pipe (16) through a connecting mechanism, the outer wall of the connecting pipe (17) is fixedly connected with one of the connecting pipes (16) in the inside of the flexible hose (17), the outer wall of the other connecting pipe (16) is slidably installed in the circulating pipe (18), the end of the circulating pipe (18) is in communication with the inside of the water tank (2), and the outer wall of the conveying device (1) is fixedly installed in two air coolers (20) through a second supporting mechanism.

2. The plastic powder extruded sheet cooling apparatus according to claim 1, wherein The first supporting mechanism comprises a first supporting plate (4) fixedly installed on the outer wall of the water tank (2), and the circulating pump (5) is fixedly installed on the upper end surface of the first supporting plate (4).

3. The plastic powder extruded sheet cooling apparatus according to claim 2, wherein The lifting mechanism comprises an electric push rod (10) fixedly installed on the bottom wall of the supporting frame (9), and the telescopic end of the electric push rod (10) is fixedly connected with the upper end surface of the connecting frame (11).

4. The plastic powder extruded sheet cooling apparatus according to claim 3, wherein The connecting mechanism comprises a connecting sleeve (15) fixedly installed on the outer wall of the rotating pipe (13), the inner wall of the connecting sleeve (15) is fixedly connected with the outer wall of the connecting pipe (16), and the outer wall of the supporting frame (9) is provided with a moving opening matched with one of the connecting sleeves (15).

5. The plastic powder extruded sheet cooling apparatus according to claim 4, wherein The second supporting mechanism comprises a second supporting plate (19) fixedly installed on the outer wall of the conveying device (1), and the air cooler (20) is fixedly installed on the upper end surface of the second supporting plate (19).

6. The plastic powder extruded sheet cooling apparatus according to claim 5, wherein The outer wall of the outlet pipe of the two air coolers (20) is fixedly installed with a blowing pipe (21), and the outer wall of the blowing pipe (21) is fixedly installed with a strip-shaped blowing nozzle (22) in communication with the inside.

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