Vacuum heating device for aluminum alloy welding wire preparation

Abstract

The utility model discloses a vacuum heating device for preparing an aluminum alloy welding wire. The device comprises a control box, a heat dissipation box and a vacuum heating box, a heating base and a container placed in the heating base are arranged in the vacuum heating box, an air heat exchanger is arranged in the heat dissipation box, a plurality of heat dissipation fans are arranged on the heat dissipation box, and the lower side of the vacuum heating box is connected with the air heat exchanger through a first pipeline; the air heat exchanger is connected with a vacuum pump arranged in the control box through a second pipeline, and the heating base and the cooling fan are connected with the control box. The heat dissipation box is arranged between the vacuum heating box and the control box, the heat dissipation fan and the air heat exchanger are arranged in the heat dissipation box, air extracted from the vacuum heating box exchanges heat with air introduced by the heat dissipation fan on the outer side when flowing through the air heat exchanger, and influence on the vacuum pump is avoided; the air inlet is formed in the control box, and the ventilation opening is formed in the top of the control box, so that the heat dissipation requirement of the control box can be met at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum alloy welding wire preparation technical field, specifically related to a kind of vacuum heating device for aluminum alloy welding wire preparation. BACKGROUND

[0002] Welding wire is an important connecting material, widely used in the welding process of various metal structures. And aluminum alloy welding wire gradually becomes the hot choice in the industry with its advantages of light weight, high strength, good corrosion resistance, etc.

[0003] During preparation, a plurality of different parts of raw materials need to be smelted and ingot cast, and vacuum smelting is one of the methods, which is carried out in the vacuum heating device. The existing vacuum heating device is affected by the high temperature of the extracted air during the vacuum extraction operation in the heating process, thereby the actual service life of the vacuum pump is lower than the designed service life. In order to overcome this problem, the vacuum extraction operation is generally performed first, and the heating is started when the vacuum degree reaches the set value, which causes a long operation time and low efficiency. Therefore, improvement is needed. SUMMARY

[0004] The utility model aims at the deficiency of prior art, provide a kind of vacuum heating device for aluminum alloy welding wire preparation.

[0005] To achieve the above object, the utility model provides a kind of vacuum heating device for aluminum alloy welding wire preparation, including control box, the heat sink of being arranged in the upper side of control box and the vacuum heating box of being arranged in the upper side of heat sink, one side of the vacuum heating box is equipped with box door, fixed assembly is equipped between the box door and vacuum heating box, heating seat and container placed in heating seat are equipped in the vacuum heating box, air heat exchanger is equipped in the heat sink, a plurality of heat dissipation fans are equipped on the heat sink, the lower side of the vacuum heating box is connected with air heat exchanger by first pipeline, air heat exchanger is connected with vacuum pump arranged in control box by second pipeline, and heating seat and heat dissipation fan are connected with control box respectively.

[0006] Further, the air heat exchanger includes a frame and a plurality of third pipes arranged on the frame, both ends of the frame are fixed with end covers, the end covers and both ends of the frame enclose a cavity, both ends of the third pipes, the lower end of the first pipe and the upper end of the second pipe are in communication with the cavity.

[0007] Further, the outer side of the third pipe is provided with a plurality of heat dissipation fins.

[0008] Further, the top of the control box is provided with a ventilation opening, and one side thereof is provided with an air inlet, and the air heat exchanger is arranged on the upper side of the ventilation opening.

[0009] Further, the heat dissipation fan is two, two heat dissipation fans are arranged at the rear side of the heat dissipation box.

[0010] The heating seat includes a support fixed on the upper side of the bottom of the vacuum heating box, the upper side of the support is fixed with a seat cover, the outer side of the seat cover is provided with a heating resistance, the heating resistance is connected with the control box, and the container is placed in the inner side of the seat cover.

[0011] Further, the upper end of the first pipeline is provided with a filter cover.

[0012] Further, the inner side of the air inlet is provided with an air filter.

[0013] Further, the bottom of the control box is provided with a plurality of supporting legs.

[0014] Further, the fixing assembly is a buckle assembly.

[0015] Further, the outer side of the box door is provided with a pull rod.

[0016] Beneficial effects: the vacuum heating device for the preparation of aluminum alloy welding wire is characterized in that: the heat dissipation box is arranged between the vacuum heating box and the control box, the heat dissipation fan and the air heat exchanger are arranged in the heat dissipation box, the air extracted from the vacuum heating box flows through the air heat exchanger and exchanges heat with the air introduced by the heat dissipation fan on the outer side, so that the temperature of the air in the air heat exchanger is reduced, and the influence on the vacuum pump is avoided; the air inlet is arranged on the control box, and the ventilation opening is arranged on the top of the control box, so that the heat dissipation demand of the control box can be met at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a kind of vacuum heating device's structural schematic diagram for the preparation of aluminum alloy welding wire;

[0018] Figure 2 It is a kind of vacuum heating device's partial structural schematic diagram for the preparation of aluminum alloy welding wire. DETAILED DESCRIPTION

[0019] The utility model is further illustrated below in combination with drawings and specific embodiments, and the embodiment is implemented under the premise of the technical scheme of the utility model, and it should be understood that these embodiments are only used to illustrate the utility model and are not used to limit the scope of the utility model.

[0020] As Figure 1 And Figure 2The utility model discloses an aluminium alloy welding wire preparation vacuum heating device, including control box 1, heat dissipation box 2 and vacuum heating box 3. Among them, heat dissipation box 2 sets up at the upside of control box 1, and vacuum heating box 3 sets up at the upside of heat dissipation box 2. The one side of box door 4 is hinged with vacuum heating box 3, so that box door 4 can open and close, in order to facilitate opening and closing box door 4, preferably setting pull rod 18 on the outside of box door 4. The fixed assembly is arranged between the box door 4 and the vacuum heating box 3, and the fixed assembly can fix the box door 4 on the vacuum heating box 3. The fixed assembly is preferably a buckle assembly 20. The sealing structure is also arranged on the side of the box door 4 facing the vacuum heating box 3, so that the vacuum heating box 3 is in a closed state after the box door 4 is fixed on the vacuum heating box 3. The heating seat and the container 5 placed in the heating seat are arranged in the vacuum heating box 3. The container 5 can be taken out from the upper side of the heating seat. After the raw materials to be smelted are placed in the container 5, the container 5 can be placed in the heating seat to smelt. The air heat exchanger is arranged in the heat dissipation box 2, and a plurality of heat dissipation fans 6 are arranged on the heat dissipation box 2. The lower side of the vacuum heating box 3 is connected with the air heat exchanger through the first pipeline 7. The air heat exchanger is connected with the vacuum pump arranged in the control box 1 through the second pipeline 8. The air heat exchanger exchanges heat with the air introduced by the heat dissipation fan 6, so that the air extracted from the vacuum heating box 1 is cooled before entering the vacuum pump, thereby avoiding affecting the vacuum pump. The heating seat and the heat dissipation fan 6 are connected with the control box 1 respectively, and the operation of the heating seat and the heat dissipation fan 6 is controlled by the control box 1. Specifically, in addition to the above-mentioned vacuum pump, the control box 1 is also provided with a control circuit for controlling the operation of the heat dissipation fan 6 and a heating controller for controlling the operation of the heating seat.

[0021] The air heat exchanger of the utility model embodiment comprises a frame 9, the frame 9 is in the shape of rectangle, a plurality of third pipelines 10 are arranged on the frame 9, end covers 11 are respectively fixed at both ends of the frame 9, the end covers 11 and both ends of the frame 9 enclose a cavity, both ends of the third pipeline 10, the lower end of the first pipeline 7 and the upper end of the second pipeline 8 are respectively communicated with the cavity. The air in the vacuum heating box 3 can enter the cavity at one end through the first pipeline 7, then be distributed into the plurality of third pipelines 10 for heat exchange and cooling, then enter the cavity at the other end, and then be collected by the second pipeline 8 and enter the vacuum pump. The outlet of the vacuum pump is connected with a discharge pipe, and the discharge pipe penetrates through the control box 1, so as to discharge the air out of the control box 1. In order to improve the heat exchange efficiency, a plurality of heat dissipation fins 12 are arranged on the outside of the third pipeline 10.

[0022] In order to facilitate installation of the air heat exchanger, preferably, a vent is arranged on the top of the control box 1, and an air inlet 13 is arranged on one side of the control box 1, and the air heat exchanger is arranged on the upper side of the vent. In this way, the air first flows through the control box 1 and then enters the heat dissipation box 2, and the heat dissipation requirement of the control box 1 is considered. The above-mentioned heat dissipation fan 6 is preferably two, and the two heat dissipation fans 6 are arranged at intervals on the rear side of the heat dissipation box 2.

[0023] The heating seat of the embodiment of the utility model includes the support 14 fixed on the upper side of the bottom of the vacuum heating box 3, the seat sleeve 15 is fixed on the upper side of the support 14, the seat sleeve 15 can be made of heat-conducting materials such as steel, which is in a barrel structure, and the heating resistance 16 is arranged on the outer side of the seat sleeve 15, and the heating resistance 16 is connected with the control box 1, and the above-mentioned container 5 is placed on the inner side of the seat sleeve 15, and the container 5 can also be made of steel, which is in contact with the seat sleeve 15 for heat conduction.

[0024] In order to prevent impurities from entering the first pipeline 7, preferably, a filter cover 21 is arranged on the upper end of the first pipeline 7, and the filter cover 21 is preferably a metal mesh cover. In order to filter the air entering the control box 1, an air filter is preferably arranged on the inner side of the air inlet 13, and the air filter is preferably a non-woven fabric filter.

[0025] A plurality of supporting legs 17 are preferably arranged on the bottom of the control box 1, and the plurality of supporting legs 17 can support the control box 1 to a certain height, and the above-mentioned exhaust pipe can pass through the bottom of the control box 1 and extend to the outside. A vacuum pressure gauge 19 can also be arranged on the upper side of the vacuum heating box 3, so as to facilitate observation of the current vacuum degree during vacuumizing operation.

[0026] The above-mentioned is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, other parts not specifically described belong to the prior art or common knowledge. Without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A vacuum heating device for aluminum alloy wire preparation, characterized by, The utility model provides a vacuum heating box, including control box, the heat dissipation box of setting in the control box upside and the heat dissipation box of setting in the heat dissipation box upside, one side of the heat dissipation box is equipped with the box door, and the box door is equipped with fixed assembly between the heat dissipation box, be equipped with heating seat and the container of placing in heating seat in the heat dissipation box, be equipped with air heat exchanger in the heat dissipation box, be equipped with a plurality of heat dissipation fan on the heat dissipation box, the downside of heat dissipation box is connected with air heat exchanger through first pipeline, and air heat exchanger is connected with vacuum pump in the control box through second pipeline, and heating seat and heat dissipation fan are connected with control box respectively.

2. The vacuum heating device for aluminum alloy wire preparation according to claim 1, characterized in that, The air heat exchanger includes a frame and a plurality of third pipelines arranged on the frame, both ends of the frame are respectively fixed with end covers, the end covers and both ends of the frame enclose cavities, both ends of the third pipelines, the lower end of the first pipeline and the upper end of the second pipeline are respectively communicated with the cavities.

3. The vacuum heating device for preparing an aluminum alloy welding wire according to claim 2, wherein The outer side of the third pipeline is provided with a plurality of heat dissipation fins.

4. The vacuum heating device for preparing an aluminum alloy welding wire according to claim 2, wherein The top of the control box is provided with a ventilation opening, and one side thereof is provided with an air inlet, and the air heat exchanger is arranged on the upper side of the ventilation opening.

5. The vacuum heating device for preparing an aluminum alloy welding wire according to claim 4, wherein The heat dissipation fan is two, and the two heat dissipation fans are arranged at intervals on the rear side of the heat dissipation box; the heating seat includes a support fixed on the upper side of the bottom of the vacuum heating box, the upper side of the support is fixed with a seat sleeve, the outer side of the seat sleeve is provided with a heating resistor, the heating resistor is connected with the control box, and the container is placed in the inner side of the seat sleeve.

6. The vacuum heating device for preparing an aluminum alloy welding wire according to claim 1, wherein The upper end of the first pipeline is provided with a filter cover.

7. The vacuum heating device for preparing an aluminum alloy welding wire according to claim 4, characterized in that, The inner side of the air inlet is provided with an air filter.

8. The vacuum heating device for preparing an aluminum alloy welding wire according to claim 1, wherein The bottom of the control box is provided with a plurality of supporting legs.

9. The vacuum heating device for preparing an aluminum alloy welding wire according to claim 1, wherein The fixed assembly is a buckle assembly.

10. The vacuum heating device for preparing an aluminum alloy welding wire according to claim 1, characterized in that, The outer side of the box door is provided with a pull rod.

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