Liquid nitrogen auxiliary cooling mechanism applied to aluminum profile mold

Abstract

The utility model discloses a liquid nitrogen auxiliary cooling mechanism applied to an aluminum profile mold. The liquid nitrogen auxiliary cooling mechanism comprises a cooling box, the top of the cooling box is fixedly provided with an operation panel, the top of the operation panel is fixedly provided with a plurality of sets of condensation boxes, the tops of the condensation boxes are in threaded connection with condensation covers, and the outer surfaces of the condensation covers are provided with a plurality of sets of heat dissipation holes. Through the arrangement of the condensation box and the condensation plate, when the device cools an aluminum profile mold, water mist and nitrogen can be sucked into the condensation box along with the gravitation of the fan, when the device is in contact with the condensation plate, a large amount of water mist and water vapor are accumulated into small water drops after being in contact with the condensation plate, and the small water drops flow into the cooling box through the backflow holes to be in contact with the mold; and the mold is cooled again to a certain degree, so that the device has certain cooling circulation, the cooling effect of the device is improved, remaining nitrogen and heat are discharged through heat dissipation holes, meanwhile, the pressure intensity in the cooling box is reduced, and the safety of the device is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling equipment, in particular to a liquid nitrogen auxiliary cooling mechanism used for aluminum profile moulds. Background Art

[0002] During the extrusion production process of aluminum profiles, the production efficiency is improved by increasing the extrusion speed, which will cause the temperature of the extrusion die to be too high, resulting in problems such as overburning of the profile surface and increased die wear. At this time, the mold can be disassembled and a certain amount of liquid nitrogen can be used to keep the mold temperature within an acceptable range, thereby increasing production efficiency without affecting product quality. At the same time, the nitrogen gas after the liquid nitrogen vaporizes can protect the high-temperature profile surface and increase the glossiness of the product surface.

[0003] Patent document: CN208698047U, discloses a mold cooling device, "including a cooling plate, a cooling channel is provided in the cooling plate, a water inlet and a water outlet are provided at both ends of the cooling channel, the water inlet is provided with a water inlet device, the water outlet is provided with a water outlet device, and a stirring fan is provided in the cooling channel. The mold cooling device provided by the utility model not only reduces the detection and maintenance time of the traditional mold cooling device and the replacement cost of the mold detection device, but also has a wider range of applications";

[0004] However, in the above patent, by setting the cooling plate and the cooling channel, the water inlet and the water outlet are used as the inlet and outlet of the coolant, which not only reduces the inspection and maintenance time of the traditional mold cooling device and the replacement cost of the mold inspection device, but also has a wider range of applications. However, when it is used, it is difficult for the coolant to contact with the mold, so it is difficult to achieve a better cooling effect, and when the coolant is used, it is difficult to recycle it, so it needs to be improved. Utility Model Content

[0005] The utility model aims to provide a liquid nitrogen auxiliary cooling mechanism for aluminum profile molds to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a liquid nitrogen auxiliary cooling mechanism for aluminum profile mold, comprising a cooling box, an operating panel is fixedly installed on the top of the cooling box, and a plurality of condensing boxes are fixedly installed on the top of the operating panel;

[0007] A condensation cover is threadedly connected to the top of the condensation box, and a plurality of heat dissipation holes are provided on the outer surface of the condensation cover. A fan is fixedly installed on the inner wall of the condensation box. A condensation plate is plugged into the outer surface of the condensation box, and a pull ring is fixedly installed on the outer surface of the condensation plate. A plurality of reflow holes are provided on the top of the condensation plate, and the plurality of reflow holes are equidistantly distributed.

[0008] Preferably, a plug-in slot is provided on the top of the operation panel, a positioning slot is provided on the top of the operation panel, and the positioning slot is located at one side of the plug-in slot.

[0009] Preferably, a limit plate is inserted into the inner wall of the insertion slot, and a lifting ring is fixedly installed on the top of the limit plate.

[0010] Preferably, a positioning block is fixedly mounted on one side of the limiting plate, and an outer surface of the positioning block is slidably connected to an inner wall of the positioning groove.

[0011] Preferably, a connecting plate is fixedly installed on the bottom of the limiting plate, and a first bottom ring is fixedly installed on the bottom of the connecting plate.

[0012] Preferably, a connecting plate is fixedly mounted on the inner wall of the first bottom ring, and a second bottom ring is fixedly mounted on one side of the connecting plate.

[0013] Preferably, a scale plate is fixedly mounted on the front of the cooling box, a liquid injection hole is opened on one side of the cooling box, and a limit baffle is fixedly mounted on the inner wall of the cooling box.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model is provided with a condensation box and a condensation plate. When the device is cooling the aluminum profile mold, water mist and nitrogen will be sucked into the condensation box with the gravity of the fan. When contacting the condensation plate, a large amount of water mist and water vapor will accumulate into small water droplets after contacting the condensation plate, and flow into the cooling box through the reflux hole to contact the mold, and once again cool the mold to a certain extent, so that the device has a certain cooling cycle, which increases the cooling effect of the device. The remaining nitrogen and heat are discharged through the heat dissipation holes, while reducing the pressure in the cooling box, ensuring the safety of the device.

[0016] 2. The utility model provides the first bottom ring and the limit baffle, and the first bottom ring and the second bottom ring can increase the contact area between the template and the liquid nitrogen while maintaining the mounting template, thereby maintaining a better cooling effect. The positioning block can be snapped into the positioning groove, making the device more stable during cooling. The limit baffle can reduce the volume of the cooling box, thereby reducing the cost of liquid nitrogen. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the second form structure of the utility model;

[0019] Figure 3 It is a schematic cross-sectional view of the condensation box structure of the utility model;

[0020] Figure 4 It is a schematic cross-sectional view of the cooling box structure of the utility model.

[0021] In the figure: 1. cooling box; 2. operation panel; 3. condensation box; 4. condensation cover; 5. heat dissipation hole; 6. fan; 7. condensation plate; 8. pull-out ring; 9. return hole; 10. plug-in slot; 11. positioning slot; 12. limit plate; 13. lifting ring; 14. positioning block; 15. connecting plate; 16. first bottom ring; 17. connecting plate; 18. second bottom ring; 19. scale plate; 20. injection hole; 21. limit baffle. DETAILED DESCRIPTION

[0022] See also Figures 1 to 4 A liquid nitrogen auxiliary cooling mechanism for aluminum profile molds, comprising a cooling box 1, an operating panel 2 is fixedly installed on the top of the cooling box 1, a plurality of condensing boxes 3 are fixedly installed on the top of the operating panel 2, a condensing cover 4 is threadedly connected to the top of the condensing box 3, a plurality of heat dissipation holes 5 are provided on the outer surface of the condensing cover 4, a fan 6 is fixedly installed on the inner wall of the condensing box 3, a condensing plate 7 is plugged into the outer surface of the condensing box 3, a pull-out ring 8 is fixedly installed on the outer surface of the condensing plate 7, a plurality of reflux holes 9 are provided on the top of the condensing plate 7, and the plurality of reflux holes 9 are equidistantly distributed;

[0023] Through the arrangement of the condensation box 3 and the condensation plate 7, when the device is cooling the aluminum profile mold, the high-temperature mold will cause the liquid nitrogen to evaporate after contacting with the liquid nitrogen, and at the same time, the water vapor will liquefy to produce a large amount of water mist, which will be sucked into the condensation box 3 by the gravity of the fan 6. When contacting the condensation plate 7, a large amount of water mist and water vapor will accumulate into small water droplets after contacting the condensation plate 7, and flow into the cooling box 1 through the reflux hole 9 to contact with the mold, and once again cool the mold to a certain extent, so that the device has a certain cooling cycle, which increases the cooling effect of the device, and the remaining nitrogen and heat are discharged through the heat dissipation hole 5, while reducing the pressure in the cooling box 1, ensuring the safety of the device.

[0024] A plug-in slot 10 is provided at the top of the operation panel 2, a positioning slot 11 is provided at the top of the operation panel 2, and the positioning slot 11 is located at one side of the plug-in slot 10, a limit plate 12 is inserted into the inner wall of the plug-in slot 10, a lifting ring 13 is fixedly installed on the top of the limit plate 12, a positioning block 14 is fixedly installed on one side of the limit plate 12, and the outer surface of the positioning block 14 is slidably connected to the inner wall of the positioning slot 11, a connecting plate 15 is fixedly installed at the bottom of the limit plate 12, a first bottom ring 16 is fixedly installed at the bottom of the connecting plate 15, wherein a connecting plate 17 is fixedly installed on the inner wall of the first bottom ring 16, and a second bottom ring 18 is fixedly installed on one side of the connecting plate 17;

[0025] By setting the positioning block 14, the first bottom ring 16 and the second bottom ring 18, the limit plate 12, the connecting plate 15, the first bottom ring 16, the connecting plate 17 and the second bottom ring 18 are combined into a template placement rack, and the distance from the template can be maintained when holding the lifting ring 13, reducing the probability of the staff being scalded. The first bottom ring 16 and the second bottom ring 18 can increase the contact area between the template and the liquid nitrogen while maintaining the carrying template, thereby maintaining a better cooling effect. The positioning block 14 can be snapped into the positioning groove 11, so that the above-mentioned frame is more stable after being plugged in.

[0026] A scale plate 19 is fixedly installed on the front of the cooling box 1, a liquid injection hole 20 is opened on one side of the cooling box 1, and a limit baffle 21 is fixedly installed on the inner wall of the cooling box 1;

[0027] By setting the scale plate 19 and the limit baffle 21, liquid nitrogen can be injected into the cooling box 1 through the injection hole 20, and the limit baffle 21 is set in the cooling box 1, which can reduce the volume of the cooling box 1 and then reduce the cost of liquid nitrogen. When injecting liquid nitrogen, the situation in the cooling box 1 can be observed through the scale plate 19.

[0028] Working principle: through the setting of cooling box 1 and operation panel 2, operation panel 2 is set on the top of cooling box 1 and can be removed. Condensation boxes 3 are set at the four corners of the top of operation panel 2. Fan 6 is set on the inner wall of condensation box 3 as the power source of gas discharge when the device is in use. Condensation plate 7 is plugged into one side of condensation box 3. Condensation plate 7 should be pulled out and stored at low temperature before use. Reflux hole 9 is opened on its surface. Condensation cover 4 is set on the top of condensation box 3. Heat dissipation hole 5 is set on its surface. A plug-in slot 10 and a positioning slot 11 are provided in the middle position. A frame consisting of a limit plate 12, a positioning block 14, a connecting plate 15, a first bottom ring 16, a connecting plate 17 and a second bottom ring 18 is inserted into the plug-in slot 10 to place the aluminum profile mold. When the device is in use, the mold is first placed in the above-mentioned frame, and then placed in the cooling box 1 by operating the lifting ring 13, and then liquid nitrogen is injected into the cooling box 1 through the injection hole 20, and finally the fan 6 is started, and the aluminum profile mold cooling work of the device can be completed after waiting for a while.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A liquid nitrogen-assisted cooling mechanism for an aluminum profile mold, comprising a cooling box (1), characterized in that: An operating panel (2) is fixedly mounted on the top of the cooling box (1), and a plurality of condensation boxes (3) are fixedly mounted on the top of the operating panel (2); The top of the condensation box (3) is threadedly connected to a condensation cover (4), and the outer surface of the condensation cover (4) is provided with a plurality of heat dissipation holes (5). A fan (6) is fixedly installed on the inner wall of the condensation box (3). A condensation plate (7) is plugged into the outer surface of the condensation box (3), and a pull-out ring (8) is fixedly installed on the outer surface of the condensation plate (7). The top of the condensation plate (7) is provided with a plurality of reflow holes (9), and the plurality of reflow holes (9) are evenly distributed.

2. The liquid nitrogen auxiliary cooling mechanism for aluminum profile mold according to claim 1, characterized in that: The top of the operating panel (2) is provided with a plug-in slot (10), the top of the operating panel (2) is provided with a positioning slot (11), and the positioning slot (11) is located on one side of the plug-in slot (10).

3. The liquid nitrogen auxiliary cooling mechanism for aluminum profile mold according to claim 2, characterized in that: A limiting plate (12) is inserted into the inner wall of the inserting groove (10), and a lifting ring (13) is fixedly mounted on the top of the limiting plate (12).

4. The liquid nitrogen auxiliary cooling mechanism for aluminum profile mold according to claim 3, characterized in that: A positioning block (14) is fixedly mounted on one side of the limiting plate (12), and the outer surface of the positioning block (14) is slidably connected to the inner wall of the positioning groove (11).

5. The liquid nitrogen auxiliary cooling mechanism for aluminum profile mold according to claim 3 is characterized in that: A connecting plate (15) is fixedly mounted on the bottom of the limiting plate (12), and a first bottom ring (16) is fixedly mounted on the bottom of the connecting plate (15).

6. The liquid nitrogen auxiliary cooling mechanism for aluminum profile mold according to claim 5, characterized in that: A connecting plate (17) is fixedly mounted on the inner wall of the first bottom ring (16), and a second bottom ring (18) is fixedly mounted on one side of the connecting plate (17).

7. The liquid nitrogen auxiliary cooling mechanism for aluminum profile mold according to claim 1, characterized in that: A scale plate (19) is fixedly mounted on the front of the cooling box (1), a liquid injection hole (20) is opened on one side of the cooling box (1), and a limit baffle (21) is fixedly mounted on the inner wall of the cooling box (1).

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