A vacuum welding furnace

Abstract

This utility model relates to the field of welding furnace technology, and provides a vacuum welding furnace, including an upper cavity, a lower cavity, a heating plate, cooling pipes, a support column, the end of the support column, cooling pipe slots, a cooling pipe groove, multiple first upper heating pipes, multiple second upper heating pipes, and multiple lower heating pipes. The upper cavity is located above the lower cavity, and the upper and lower cavities form a sealed vacuum cavity. The heating plate is located inside the vacuum cavity. The first and second upper heating pipes are located inside the upper cavity and are arranged vertically. The lower heating pipes are located inside the lower cavity. The cooling pipes are located in the cooling pipe slots, which are located at the end of the support column. The end of the support column is located on the upper part of the support column. The cooling pipe groove is located below the heating plate, and the cooling pipe contacts are located below the cooling pipe groove. This improves the temperature uniformity of the heating plate.

Description

Technical Field

[0001] This utility model relates to the field of welding furnace technology, and in particular to a vacuum welding furnace. Background Technology

[0002] Existing vacuum welding equipment is a specialized device for welding workpieces. Its main structure includes a controller, a sealable cavity, a vacuum pump, a heating device, a heating plate, and a cooling device. The heating plate is located within the sealable cavity and is used to place the workpiece. The heating and cooling devices are located below the heating plate and are connected to the controller, which regulates the heating and cooling of the heating plate. The vacuum pump is located outside the sealable cavity and performs vacuuming to ensure the welding process is conducted in an oxygen-free environment, thus ensuring welding quality, reducing internal voids, and improving the reliability of the weldment.

[0003] The temperature uniformity of the heating plate in existing vacuum welding furnaces is poor. Summary of the Invention

[0004] This invention provides a vacuum welding furnace to solve the problem of poor temperature uniformity of the heating plate in existing vacuum welding furnaces.

[0005] A vacuum welding furnace includes an upper cavity, a lower cavity, a heating plate, cooling pipes, a support column, a support column end, a cooling pipe slot, a cooling pipe groove, a plurality of first upper heating pipes, a plurality of second upper heating pipes, and a plurality of lower heating pipes. The upper cavity is disposed above the lower cavity, and the upper cavity and the lower cavity form a sealed vacuum cavity. The heating plate is disposed within the vacuum cavity. The first and second upper heating pipes are disposed inside the upper cavity and are vertically arranged. The lower heating pipes are disposed within the lower cavity. The cooling pipes are disposed within the cooling pipe slots, which are located at the end of the support column. The support column end is located on the upper part of the support column. The cooling pipe grooves are located below the heating plate, and the cooling pipes are disposed in contact with the lower part of the cooling pipe grooves.

[0006] The vacuum welding furnace according to this utility model also includes a clearance groove, which is provided at the position of the corresponding support column below the heating plate.

[0007] According to the vacuum welding furnace of this utility model, the lower cavity includes a lower cavity frame and a manifold; the manifold is disposed on both sides outside the lower cavity frame and is connected to the cooling pipe.

[0008] According to the vacuum welding furnace of this utility model, a water-cooling pipeline is provided inside the bottom of the lower cavity frame.

[0009] According to the vacuum welding furnace of this utility model, the upper cavity further includes an upper cavity frame and an observation window; the observation window is disposed in the middle of the upper cavity frame, and a water cooling pipeline is disposed inside the top of the upper cavity frame.

[0010] The vacuum welding furnace according to this utility model also includes a support mechanism, which is arranged below the lower cavity and has multiple rollers below it.

[0011] According to the vacuum welding furnace of this utility model, a vacuum port is provided below the lower cavity.

[0012] According to the vacuum welding furnace of this utility model, the upper heating tube and the lower heating tube are arranged vertically.

[0013] This invention, by vertically distributing the first and second upper heating tubes, forms a balanced radiant heat source in space, thereby improving the temperature uniformity of the heating plate. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a vacuum welding furnace;

[0016] Figure 2 A three-dimensional structural diagram of the lower cavity. Figure 1 ;

[0017] Figure 3 A three-dimensional structural diagram of the lower cavity. Figure 2 ;

[0018] Figure 4 This is a magnified view of the structure of part A.

[0019] Figure 5 This is a three-dimensional structural diagram of the heating plate;

[0020] Figure 6 This is a three-dimensional structural diagram of the upper cavity;

[0021] Figure 7 This is a cross-sectional view of the upper cavity and a schematic diagram of its structure.

[0022] Reference numerals: 1. Upper cavity; 2. Lower cavity; 3. Support structure; 4. Roller; 5. Alarm light; 11. Upper cavity frame; 12. First upper heating tube; 13. Observation window; 14. Second upper heating tube; 21. Lower cavity frame; 22. Support column; 23. Manifold; 24. Lower heating tube; 25. Heating plate; 26. Cooling tube; 221. End of support column; 251. Heating plate body; 252. Cooling tube groove; 253. Clearance groove. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] In the description of the embodiments of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0026] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0027] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0028] The following is combined Figure 1-7 This invention describes a vacuum welding furnace comprising an upper cavity 1, a lower cavity 2, a heating plate 25, a cooling pipe 26, a support column 22, a support column end 221, a cooling pipe slot, a cooling pipe groove 252, a plurality of first upper heating pipes 12, a plurality of second upper heating pipes 14, and a plurality of lower heating pipes 24. The upper cavity 1 is positioned above the lower cavity 2, and the upper cavity 1 and the lower cavity 2 form a sealed vacuum cavity. The first upper heating pipes 12 and the second upper heating pipes 14 are disposed inside the upper cavity 1, and are arranged vertically. The heating plate 25 is disposed within the vacuum cavity, the lower heating pipes 24 are disposed within the lower cavity 2, the cooling pipes 26 are disposed within the cooling pipe slot, the cooling pipe slot is located at the support column end 221, the support column end 221 is located above the support column 22, and the cooling pipe groove 252 is located below the heating plate 25, that is, the cooling pipe groove 252 is located below the heating plate body 251, and the cooling pipes 26 are disposed in contact with the lower part of the cooling pipe groove 252. The upper heating tube 12 and the lower heating tube 24 are preferably infrared heating tubes. The cooling tube slot restricts the offset of the cooling tube 26. The distance between the first heating tube 12 and the second heating tube 14 is set to 0.65 times the width of the heating plate, which is the optimal value and ensures the best temperature uniformity of the heating plate 25.

[0029] In some embodiments, a clearance groove 253 is also included, which is provided at the position of the support column 22 below the heating plate 25. The clearance groove 253 is provided to ensure full contact between the cooling pipe 26 and the cooling pipe groove 252, thereby improving the cooling effect.

[0030] In some embodiments, the lower cavity 2 includes a lower cavity frame 21 and a manifold 23; the manifold 23 is disposed on both sides outside the lower cavity frame 21 and is connected to a cooling pipe 26.

[0031] In some embodiments, a water-cooling pipeline is provided inside the bottom of the lower cavity frame 21.

[0032] In some embodiments, the upper cavity 1 further includes an upper cavity frame 11 and an observation window 13; the observation window 13 is disposed in the middle of the upper cavity frame 11, and a water cooling pipe is disposed inside the top of the upper cavity frame 11.

[0033] In some embodiments, a support mechanism 3 is also included, which is disposed below the lower cavity 2, and a plurality of rollers 4 are disposed below the support mechanism 3. An alarm light 5 is disposed above the support mechanism 3.

[0034] In some embodiments, a vacuum port is provided below the lower cavity 2.

[0035] In some embodiments, the upper heating tube 12 and the lower heating tube 24 are arranged vertically.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A vacuum brazing furnace, characterized in that, The device includes an upper cavity, a lower cavity, a heating plate, cooling pipes, a support column, the end of the support column, a cooling pipe slot, a cooling pipe groove, multiple first upper heating pipes, multiple second upper heating pipes, and multiple lower heating pipes. The upper cavity is located above the lower cavity, and the upper and lower cavities form a sealed vacuum cavity. The heating plate is located within the vacuum cavity. The first and second upper heating pipes are located inside the upper cavity and are vertically arranged. The lower heating pipes are located within the lower cavity. The cooling pipes are located within the cooling pipe slots, which are located at the end of the support column. The end of the support column is located on the upper part of the support column. The cooling pipe grooves are located below the heating plate, and the cooling pipes are located in contact with the lower part of the cooling pipe grooves.

2. The vacuum brazing furnace of claim 1, wherein It also includes a clearance groove, which is provided at the position of the corresponding support column below the heating plate.

3. The vacuum brazing furnace of claim 1, wherein, The lower cavity includes a lower cavity frame and a manifold; the manifold is disposed on both sides of the lower cavity frame and is connected to the cooling pipe.

4. The vacuum brazing furnace of claim 3, wherein, Water-cooling pipes are installed inside the bottom of the lower cavity frame.

5. The vacuum welding furnace according to claim 1, characterized in that, The upper cavity also includes an upper cavity frame and an observation window; the observation window is located in the middle of the upper cavity frame, and a water-cooling pipeline is provided inside the top of the upper cavity frame.

6. The vacuum brazing furnace of claim 1, wherein, It also includes a support mechanism, which is located below the lower cavity, and has multiple rollers located below the support mechanism.

7. The vacuum brazing furnace of claim 1, wherein A vacuum port is provided at the bottom of the lower cavity.

8. The vacuum brazing furnace of claim 1, wherein, The upper heating tube and the lower heating tube are arranged vertically.

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