Quick cooling vacuum welding furnace
By introducing heat insulation grooves and spaced heating and cooling pipes into the vacuum welding furnace, the problems of low cooling efficiency and uneven heating are solved, achieving temperature uniformity and rapid cooling, and extending the service life of the heating plate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEI JING TORCH CO LTD
- Filing Date
- 2026-03-10
- Publication Date
- 2026-04-24
AI Technical Summary
Existing vacuum welding furnaces have low cooling efficiency and uneven heating.
By using heat-insulating grooves to separate the heating areas, combined with the spacing of the lower heating pipes and cooling pipes, efficient cooling and temperature uniformity are achieved by controlling the temperature of different areas and reducing heat accumulation.
It improves the temperature uniformity of the heating plate, extends its service life, and achieves rapid cooling.
Smart Images

Figure CN224157860U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of welding furnace technology, and in particular to a rapid cooling 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] Existing vacuum welding furnaces have low cooling efficiency and uneven heating. Summary of the Invention
[0004] This invention provides a rapid cooling vacuum welding furnace to solve the problems of low cooling efficiency and uneven heating in existing vacuum welding furnaces.
[0005] A rapid cooling vacuum welding furnace includes an upper cavity, a lower cavity, a heating plate assembly, and multiple upper heating tubes; the upper cavity is disposed above the lower cavity, the upper cavity and the lower cavity form a sealed vacuum cavity, the upper heating tubes are disposed in the upper cavity, and the heating plate assembly is disposed in the vacuum cavity;
[0006] The heating plate assembly includes a heating plate, multiple lower heating tubes, and multiple cooling tubes; the lower heating tubes and cooling tubes are spaced apart inside the heating plate.
[0007] According to the rapid cooling vacuum welding furnace of this utility model, the lower heating tube is provided with at least two control zones.
[0008] According to the rapid cooling vacuum welding furnace of this utility model, the heating plate includes a heating plate body and a heat insulation groove; the heating plate body is provided with the heat insulation groove and is disposed between the control zones.
[0009] The rapid cooling vacuum welding furnace according to this utility model further includes a lower heating tube trough and a cooling tube trough; the lower heating tube trough and the cooling tube trough are spaced apart and disposed below the heating plate, the lower heating tube is disposed in the lower heating tube trough, and the cooling tube is disposed in the cooling tube trough.
[0010] The rapid cooling vacuum welding furnace according to this utility model further includes a lower heating tube hole and a cooling tube hole; the lower heating tube hole and the cooling tube hole are spaced apart and located at the lower part of the heating plate, the lower heating tube is disposed in the lower heating tube hole, and the cooling tube is disposed in the cooling tube hole.
[0011] The rapid cooling vacuum welding furnace according to this utility model also includes a support bar, which is disposed below the heating plate assembly.
[0012] According to the rapid cooling 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.
[0013] The rapid cooling vacuum welding furnace according to this utility model also includes a temperature sensor bracket, which is disposed above the side of the lower cavity.
[0014] The rapid cooling vacuum welding furnace according to this utility model also includes multiple gas pipes, which are disposed inside the vacuum chamber.
[0015] The heat insulation groove of this invention reduces heat transfer interference between adjacent areas, allowing the temperature of each zone to be maintained more precisely within its range, thus improving the temperature uniformity of the heating plate. By controlling the temperature of different areas and reducing mutual interference, it helps maintain the internal thermal balance of the heating plate and extends its service life. The alternating arrangement of the lower heating pipe and cooling pipe, combined with the heat insulation groove, allows the cooling pipe to function more effectively. The heat insulation groove helps guide heat flow, enabling the cooling pipe to absorb and remove heat more efficiently, preventing heat accumulation inside the heating plate and making the cooling process more timely and efficient. Attached Figure Description
[0016] 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.
[0017] Figure 1 A three-dimensional structural diagram of a rapid cooling vacuum welding furnace;
[0018] Figure 2 This is a three-dimensional structural diagram of the lower cavity;
[0019] Figure 3 This is a schematic diagram of the main structure of the heating plate assembly.
[0020] Figure 4 A 3D structural diagram of the heating plate assembly. Figure 1 ;
[0021] Figure 5 A 3D structural diagram of the heating plate assembly. Figure 2 ;
[0022] Figure 6 This is a schematic diagram of the main structure of the heating plate;
[0023] Figure 7 This is a three-dimensional structural diagram of the heating plate;
[0024] Figure 8 This is a three-dimensional structural diagram of the upper cavity;
[0025] Reference numerals: 1. Upper cavity; 2. Lower cavity; 11. Upper cavity frame; 12. Upper heating tube; 13. Observation window; 21. Lower cavity frame; 22. Heating plate assembly; 23. Gas tube; 24. Temperature sensor bracket; 221. Heating plate; 222. Lower heating tube; 223. Cooling tube; 224. Pressure strip; 2211. Heating plate body; 2212. Heat insulation groove; 2213. Lower heating tube groove; 2214. Cooling tube groove. Detailed Implementation
[0026] 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.
[0027] 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.
[0028] 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.
[0029] 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.
[0030] 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.
[0031] The following is combined Figure 1-8 A rapid cooling vacuum welding furnace according to an embodiment of the present invention includes an upper cavity 1, a lower cavity 2, a heating plate assembly 22, and a plurality of upper heating tubes 12; the upper cavity 1 is disposed above the lower cavity 2, the upper cavity 1 and the lower cavity 2 form a sealed vacuum cavity, the upper heating tubes 12 are disposed in the upper cavity 1, and the heating plate assembly 22 is disposed in the vacuum cavity.
[0032] The heating plate assembly 22 includes a heating plate 221, a plurality of lower heating tubes 222 and a plurality of cooling tubes 223; the lower heating tubes 222 and cooling tubes 223 are arranged at intervals inside the heating plate 221.
[0033] In some embodiments, the lower heating element 222 is provided with at least two control zones. Preferably, it has three control zones.
[0034] In some embodiments, the heating plate 222 includes a heating plate body 2211 and a heat insulation groove 2212; the heating plate body 2211 is provided with the heat insulation groove 2212 and is disposed between control areas. That is, the control areas are separated from each other by the heat insulation groove 2212.
[0035] In some embodiments, the system further includes a lower heating pipe groove 2213 and a cooling pipe groove 2214; the lower heating pipe groove 2213 and the cooling pipe groove 2214 are spaced apart and disposed below the heating plate 221. A lower heating pipe 222 is disposed in the lower heating pipe groove 2213, and a cooling pipe 223 is disposed in the cooling pipe groove 2214. That is, the lower heating pipe 222 and the cooling pipe 223 are alternately disposed. A pressure strip 224 is disposed below the heating plate 221 to fix the lower heating pipe 222 and the cooling pipe 223.
[0036] In some embodiments, it further includes a lower heating pipe hole and a cooling pipe hole; the lower heating pipe hole and the cooling pipe hole are spaced apart and disposed at the lower part of the heating plate, a lower heating pipe 222 is disposed in the lower heating pipe hole, and a cooling pipe 223 is disposed in the cooling pipe hole.
[0037] In some embodiments, a support strip is also included, which is disposed below the heating plate assembly 22. The support strip is disposed inside the lower cavity 2.
[0038] 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.
[0039] In some embodiments, a temperature sensor bracket 24 is also included, which is disposed above the side of the lower cavity 2.
[0040] In some embodiments, a plurality of gas tubes 23 are also included, which are disposed inside the vacuum chamber.
[0041] 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 rapid cooling vacuum welding furnace, characterized in that, It includes an upper cavity, a lower cavity, a heating plate assembly, and multiple upper heating tubes; the upper cavity is located above the lower cavity, and the upper cavity and the lower cavity form a sealed vacuum cavity; the upper heating tubes are located in the upper cavity, and the heating plate assembly is located in the vacuum cavity; The heating plate assembly includes a heating plate, multiple lower heating tubes, and multiple cooling tubes; the lower heating tubes and cooling tubes are spaced apart inside the heating plate.
2. The rapid cooling vacuum welding furnace according to claim 1, characterized in that, The lower heating element is provided with at least two control zones.
3. The rapid cooling vacuum welding furnace according to claim 2, characterized in that, The heating plate includes a heating plate body and a heat insulation groove; the heating plate body is provided with the heat insulation groove and is disposed between the control areas.
4. The rapid cooling vacuum welding furnace according to claim 3, characterized in that, It also includes a lower heating tube groove and a cooling tube groove; the lower heating tube groove and the cooling tube groove are spaced apart and located at the lower part of the heating plate, the lower heating tube is arranged in the lower heating tube groove, and the cooling tube is arranged in the cooling tube groove.
5. The rapid cooling vacuum welding furnace according to claim 4, characterized in that, It also includes a lower heating pipe hole and a cooling pipe hole; the lower heating pipe hole and the cooling pipe hole are spaced apart and located at the lower part of the heating plate, the lower heating pipe is installed in the lower heating pipe hole, and the cooling pipe is installed in the cooling pipe hole.
6. The rapid cooling vacuum welding furnace according to claim 1, characterized in that, It also includes a support strip, which is disposed below the heating plate assembly.
7. The rapid cooling 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.
8. The rapid cooling vacuum welding furnace according to claim 1, characterized in that, It also includes a temperature sensor bracket, which is disposed above the side of the lower cavity.
9. The rapid cooling vacuum welding furnace according to claim 1, characterized in that, It also includes multiple gas tubes disposed inside the vacuum chamber.