Atmosphere protection air cooling chamber structure of brazing furnace

Abstract

The utility model discloses an atmosphere protection air cooling chamber structure of a brazing furnace, and aims to provide the atmosphere protection air cooling chamber structure of the brazing furnace, which can improve the cooling efficiency and the cooling effect. The furnace comprises a furnace body, and an inner cavity of the furnace body is a cooling cavity; the operation box is movably connected with the cooling cavity, an inner cavity of the operation box is arranged to be a reaction cavity, the reaction cavity is connected with a placing support, and the operation box is connected with a plurality of heat conduction fins; the atmosphere supplementing pipeline is movably connected with the operation box, and the atmosphere supplementing pipeline is communicated with the reaction cavity; the air outlet pipe is connected with the upper end of the furnace body; and the air inlet pipe is connected with the lower end of the furnace body, and the air inlet pipe and the air outlet pipe are oppositely arranged. The utility model has the beneficial effects that the operation efficiency of the brazing furnace is improved; efficient air cooling is achieved; the protective atmosphere fully reacts with the workpiece to improve the workpiece machining quality; the structural connection stability is improved; the structural operation flexibility is improved; and the operation fluency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to brazing furnace technical field especially points to an atmosphere protection air cooling chamber structure of brazing furnace. BACKGROUND

[0002] The existing aluminum brazing furnace its structure mainly includes: spraying room, drying room, brazing room, precooling room and strong cold room, the precooling area generally through the fan makes the airflow in the air cooling chamber from the bottom of the air cooling chamber to the top of the air cooling chamber, the heat emitted by the furnace is rapidly taken away from the air cooling chamber, thereby playing the effect of cooling.

[0003] Chinese patent authorized announcement number: CN 204075454 U, authorized announcement day is January 7, 2015, the utility model discloses a kind of air cooling chambers of brazing furnace, including the air cooling chamber installation on support frame, furnace passes through air cooling chamber, and cooling jacket interlayer is equipped between furnace and air cooling chamber, cooling jacket interlayer also install multiple radiating fins in, air cooling chamber includes first air cooling chamber and second air cooling chamber, the upper end of first air cooling chamber and second air cooling chamber is equipped with air outlet duct, variable frequency fan is installed in air outlet duct, temperature sensor is also installed in first air cooling chamber and second air cooling chamber, temperature sensor is connected with control device for speed adjustment operation of variable frequency fan, the bottom of first air cooling chamber and second air cooling chamber is also equipped with multiple air inlets.The technical scheme has the following disadvantages: 1. in brazing furnace, loading and unloading are very inconvenient, leading to reduced processing efficiency;2. direct cooling can easily lead to oxidation of workpiece, affecting the production quality of workpiece and reducing the workpiece processing qualification rate.

[0004] In summary, the existing brazing furnace has low cooling efficiency for workpieces and affects the quality of workpieces. Utility model content

[0005] The utility model discloses in order to overcome the low efficiency of brazing furnace in prior art for workpiece cooling, the atmosphere protection air cooling chamber structure of brazing furnace of improving cooling efficiency and improving cooling effect is provided.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] An atmosphere protection air cooling chamber structure of brazing furnace, comprising

[0008] Furnace body, the inner cavity of furnace body is cooled cavity;

[0009] Workbox, workbox is movably connected with cooled cavity, the inner cavity of workbox is reaction cavity, reaction cavity is connected with placing support, and workbox is connected with a plurality of heat conduction fins;

[0010] Atmosphere supplement pipeline, atmosphere supplement pipeline is movably connected with workbox, and atmosphere supplement pipeline is communicated with reaction cavity.

[0011] An air outlet pipe is connected to the upper end of the furnace body.

[0012] An air inlet pipe is connected to the lower end of the furnace body and is arranged opposite to the air outlet pipe.

[0013] The work box is placed in the cooling cavity of the furnace body, and the placing support in the reaction cavity in the work box is used for placing the workpiece. Meanwhile, the work box can move in and out of the furnace body, so as to facilitate the overall feeding and discharging of the workpiece in the work box and facilitate the rapid feeding and discharging. A plurality of heat-conducting fins are connected to the work box, and the heat-conducting fins are used for heat dissipation. The airflow formed by the air outlet pipe and the air inlet pipe in the cooling cavity is used for transporting the heat on the cooling cavity and the heat-conducting fins to the outside of the furnace for air cooling, so as to ensure the reaction of the protective gas without interference and high-efficiency cooling. The atmosphere supplement pipeline is used for introducing the protective gas to rapidly and fully react the workpiece in the small space of the reaction cavity. The brazing furnace operation efficiency is improved, the air cooling is high-efficiency, the protective atmosphere is fully reacted with the workpiece, and the workpiece processing quality is improved.

[0014] As preferred, the furnace body is provided with a mounting bracket connected with the cooling cavity, the mounting bracket is provided with a limiting sliding groove, the work box is rotatably connected with a roller, the roller is slidably connected with the limiting sliding groove, the surface of the work box is provided with an opening, the opening is rotatably connected with a sealing plate, and the sealing plate is buckled with the work box. The work box is more easily in and out of the furnace body through the sliding of the roller on the limiting sliding groove, so as to prevent time-consuming and laborious feeding and discharging. The workpiece is conveniently put into and taken out through the sealing plate connected to the opening, and the sealing plate ensures that the reaction environment of the protective atmosphere in the work box is more closed. The use convenience and efficiency are improved.

[0015] As preferred, the surface of the work box is provided with a mounting seat bolted with the work box, the mounting seat is provided with a mounting slot in communication with the reaction cavity, the heat-conducting fin has a sheet rectangular structure, and the heat-conducting fin is inserted into the mounting slot. The mounting seat is bolted to the surface of the work box and connected with the heat-conducting fin through the mounting slot, so as to fix the heat-conducting fin on the work box. The heat-conducting fin is a flat rectangular sheet to quickly conduct heat and dissipate heat through airflow. The structural connection stability and air cooling efficiency are improved.

[0016] Preferably, the work box has a first installation port, which is connected to a first connecting flange. The first connecting flange is bolted to the work box and connected to a connecting pipe. The furnace body has a second installation port, which is connected to a second connecting flange. The atmosphere supply pipe is plugged into the second connecting flange, and the connecting pipe is movably connected to the atmosphere supply pipe. The work box fixes the connecting pipe to the first connecting flange at the first installation port, while the furnace body connects to the atmosphere supply pipe to the second connecting flange at the second installation port. This allows the atmosphere supply pipe and the connecting pipe to be connected and disconnected through a movable docking, facilitating the movement and connection of the work box, without affecting material loading and unloading, and maintaining smooth airflow. This achieves the effect of facilitating the movement and docking of structural components and realizing the flexibility of airflow conveying.

[0017] Preferably, the atmosphere replenishment pipeline includes a main pipeline and a movable nozzle. The movable nozzle is inserted into a connecting flange and then into the main pipeline. The furnace body is connected to a fixed support and a control ring. The fixed support is connected to the main pipeline, and the control ring is connected to one end of the movable nozzle. The connecting pipe is inserted into the other end of the movable nozzle. The main pipeline in the atmosphere replenishment pipeline is used to receive the protective atmosphere gas flow at one end, and the other end is fixed to the main pipeline by the fixed support. The movable nozzle can move on the main pipeline via the control ring, allowing it to insert and connect with the connecting pipe during movement for gas delivery or separation, thus facilitating switching of connection relationships. This improves the operational flexibility of the structure.

[0018] Preferably, the diameter of the movable tube head is larger than that of the connecting tube, the end face of the movable tube head has a wedge shape, and the end face of the movable tube head is designed as a guide slope. When connecting the movable tube head, it is placed outside the connecting tube, the connecting tube is sleeved, and the walls are pressed together. The open wedge shape of the movable tube head's end face facilitates the rapid insertion of the connecting tube along the guide slope, thereby improving the smoothness of the operation.

[0019] Preferably, the working chamber is equipped with a docking port, with the docking port and connecting pipe located at opposite ends of the working chamber. The furnace body is connected to an exhaust pipe, one end of which is inserted into the docking port, and the other end extends out of the furnace body and connects to a delivery pipe. The docking port on the working chamber allows it to be placed in the cooling chamber and then inserted into the exhaust pipe on the furnace body. This enables the input protective atmosphere to flow freely within the reaction chamber, from one end to the other. This not only improves cooling efficiency but also ensures more thorough contact between the workpiece and the cooling chamber.

[0020] Preferably, the upper part of the furnace body has several upper openings, each connected to an air outlet duct. A fan is installed inside the air outlet duct. The lower part of the furnace body has several lower openings, each connected to an air inlet duct. By providing multiple upper openings on the furnace body to connect to the air outlet ducts, the fan drives airflow within the cooling chamber towards the air inlet ducts at the lower openings, thereby achieving large-area air cooling and improving air cooling efficiency.

[0021] The beneficial effects of this utility model are: improved brazing furnace operation efficiency; efficient air cooling; full reaction between the protective atmosphere and the workpiece to improve workpiece processing quality; improved structural connection stability; improved structural operation flexibility; and improved operation smoothness. Attached Figure Description

[0022] Figure 1 This is a perspective view of the present invention;

[0023] Figure 2 This is a cross-sectional view of the present invention;

[0024] Figure 3 This is a cross-sectional view of the present invention;

[0025] Figure 4 yes Figure 2 Enlarged view of point A in the middle;

[0026] Figure 5 yes Figure 3 Enlarged view of point B in the middle.

[0027] In the diagram: 1. Furnace body, 2. Cooling chamber, 3. Operating box, 4. Reaction chamber, 5. Placement bracket, 6. Heat-conducting fins, 7. Air outlet pipe, 8. Air inlet pipe, 9. Mounting bracket, 10. Limiting slide, 11. Roller, 12. Sealing plate, 13. Mounting base, 14. Connecting flange one, 15. Butt pipe, 16. Connecting flange two, 17. Main pipe, 18. Moving pipe head, 19. Fixed bracket, 20. Control ring, 21. Guide slope, 22. Butt joint, 23. Air outlet pipe, 24. Conveying pipe, 25. Fan. Detailed Implementation

[0028] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit this application or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0029] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0030] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of components illustrated in these embodiments do not limit the scope of this application. For ease of illustration, spatial relative terms such as “up,” “down,” “left,” and “right” are used in the embodiments to describe the relationship of one element or feature shown in the figures relative to another element or feature. It should be understood that, in addition to the orientations shown in the figures, spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, an element described as being “below” other elements or features would be positioned “up” other elements or features. Thus, the exemplary term “down” can include both up and down orientations. The device may be positioned in other ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein can be interpreted accordingly. It should also be understood that, for ease of description, the dimensions of the various parts shown in the figures are not drawn to actual scale. Techniques, processes, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, processes, and equipment should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following figures denote similar items; therefore, once an item is defined in one figure, it need not be discussed further in subsequent figures.

[0031] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0032] Example 1:

[0033] like Figures 1-3As shown, a brazing furnace atmosphere protection air cooling chamber structure includes a furnace body 1, the inner cavity of the furnace body 1 being a cooling chamber 2; a working box 3, the working box 3 being movably connected to the cooling chamber 2, the inner cavity of the working box 3 being a reaction chamber 4, the reaction chamber 4 being connected to a placement bracket 5, and the working box 3 being connected to several heat-conducting fins 6; an atmosphere replenishment pipe, the atmosphere replenishment pipe being movably connected to the working box 3, and the atmosphere replenishment pipe being connected to the reaction chamber 4; an air outlet pipe 7, the air outlet pipe 7 being connected to the upper end of the furnace body 1; and an air inlet pipe 8, the air inlet pipe 8 being connected to the lower end of the furnace body 1, and the air inlet pipe 8 and the air outlet pipe 7 being arranged opposite to each other.

[0034] like Figure 2 , 3 As shown, Figure 1 As shown, the furnace body 1 is provided with a mounting bracket 9, which is connected to the cooling chamber 2. The mounting bracket 9 is provided with a limiting slide groove 10. The work box 3 is rotatably connected with a roller 11, which is slidably connected to the limiting slide groove 10. The surface of the work box 3 is provided with an opening, which is rotatably connected with a sealing plate 12, which is fastened to the work box 3.

[0035] like Figure 2 As shown, the surface of the work box 3 is provided with a mounting base 13, which is bolted to the work box 3. The mounting base 13 is provided with a mounting slot, which is connected to the reaction chamber 4. The heat-conducting fins 6 have a thin rectangular structure and are inserted into the mounting slot.

[0036] like Figure 5 As shown, the work box 3 is provided with an installation port 1, which is connected to a connecting flange 14. The connecting flange 14 is bolted to the work box 3. The connecting flange 14 is connected to a connecting pipe 15. The furnace body 1 is provided with an installation port 2, which is connected to a connecting flange 2 16. The atmosphere replenishment pipe is plugged into the connecting flange 2 16, and the connecting pipe 15 is movably connected to the atmosphere replenishment pipe.

[0037] like Figure 3 , 5 As shown, the atmosphere replenishment pipeline includes a main pipeline 17 and a movable pipe head 18. The movable pipe head 18 is inserted into the connecting flange 16 and the main pipeline 17. The furnace body 1 is connected to a fixed bracket 19 and a control ring 20. The fixed bracket 19 is connected to the main pipeline 17, the control ring 20 is connected to one end of the movable pipe head 18, and the connecting pipe 15 is inserted into the other end of the movable pipe head 18.

[0038] like Figure 5 As shown, the diameter of the movable tube head 18 is larger than the diameter of the connecting tube 15, the end face cross-section of the movable tube head 18 is wedge-shaped, and the end face of the movable tube head 18 is set as a guide slope 21.

[0039] like Figure 2 , 3As shown, the work box 3 is provided with a docking port 22. The docking port 22 and the docking pipe 15 are respectively located at both ends of the work box 3. The furnace body 1 is connected to an exhaust pipe 23. One end of the exhaust pipe 23 is inserted into the docking port 22, and the other end of the exhaust pipe 23 extends out of the furnace body 1 and is connected to a conveying pipe 24. The upper end of the furnace body 1 is provided with several upper openings. An air outlet pipe 7 is connected to the upper opening. A fan 25 is installed in the air outlet pipe 7. The lower end of the furnace body 1 is provided with several lower openings. An air inlet pipe 8 is connected to the lower opening.

[0040] like Figures 1-5 As shown: The connecting pipe 15 is inserted into the installation port and fixed to the work box 3 by the connecting flange 14, so that the connecting pipe 15 can receive the insertion movement of the moving pipe head 18. The moving pipe head 18 is inserted into the installation port and guided by the connecting flange 16, so that it can move at the installation port to realize the connection and separation of the moving pipe head 18 and the connecting pipe 15.

[0041] The delivery pipe 24 is connected to a heat exchanger (not shown in the figure), while the main pipe 17 is connected to a protective atmosphere delivery device (not shown in the figure). At the same time, the heat exchanger and the protective atmosphere delivery device are also connected through a pipe, so that the gas extracted from the reaction chamber 4 through the heat exchanger is cooled and sent back to the protective atmosphere delivery device for circulation and return to the reaction chamber 4, thereby increasing the cooling effect on the workpiece and the protective atmosphere.

[0042] The gas outlet pipe 23 is fixedly inserted into the right side of the furnace body 1, and the connecting pipe 15 is placed at the lower left end of the working box 3, so that the two structures are placed on the upper and lower sides and both ends of the working box 3. The support 5 is a mesh structure with holes, so that the gas can contact the workpiece as much as possible during filling and flow.

[0043] In use: Open the sealing plate 12 and place the workpiece evenly on the placement bracket 5 in the reaction chamber 4. Close the sealing plate 12 and push the work box 3 into the furnace body 1 along the limiting slide groove 10 of the mounting bracket 9. The roller 11 rolls to the bottom in the limiting slide groove 10. At this time, the gas outlet pipe 23 is inserted into the docking port 22. The moving pipe head 18 is inserted into the docking pipe 15 through the control ring 20 to form a pipe connection. Turn on the fan 25 to make the cold air in the cooling chamber 2 flow upward and deliver the protective atmosphere into the reaction chamber 4. It flows from left to right and makes full contact with the workpiece (the heat exchanger is turned on), thereby realizing the air cooling operation of the workpiece in the atmosphere protection in the brazing furnace.

[0044] The above embodiments are only used to illustrate the technical solution and are not intended to limit it. Although the foregoing embodiments have been described in detail, 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 in this embodiment.

Claims

1. An atmosphere protection air cooling chamber structure of a brazing furnace, characterized by, Include The inner cavity of the furnace body (1) is provided as a cooling cavity (2); The work box (3) is movably connected with the cooling cavity (2), and the inner cavity of the work box (3) is provided as a reaction cavity (4), and the reaction cavity (4) is connected with a placing support (5); the work box (3) is connected with a plurality of heat-conducting fins (6); The atmosphere supplement pipeline is movably connected with the work box (3), and the atmosphere supplement pipeline is in communication with the reaction cavity (4); The air outlet pipe (7) is connected with the upper end of the furnace body (1); The air inlet pipe (8) is connected with the lower end of the furnace body (1), and the air inlet pipe (8) is arranged opposite to the air outlet pipe (7).

2. The atmosphere protection air cooling chamber structure of a brazing furnace according to claim 1, characterized in that, The furnace body (1) is provided with a mounting bracket (9) connected with the cooling cavity (2), and the mounting bracket (9) is provided with a limiting sliding groove (10); the work box (3) is rotatably connected with a roller (11), and the roller (11) is slidably connected with the limiting sliding groove (10); the surface of the work box (3) is provided with an opening, and the opening is rotatably connected with a sealing plate (12) buckled with the work box (3).

3. The atmosphere protection air cooling chamber structure of a brazing furnace according to claim 1, characterized in that, The surface of the work box (3) is provided with a mounting seat (13) bolted with the work box (3), and the mounting seat (13) is provided with a mounting slot in communication with the reaction cavity (4); the heat-conducting fin (6) has a structure shape of a thin rectangular structure, and the heat-conducting fin (6) is inserted into the mounting slot.

4. The atmosphere protection air cooling chamber structure of a brazing furnace according to claim 1, wherein The work box (3) is provided with a mounting port one connected with a connecting flange one (14) bolted with the work box (3); the connecting flange one (14) is connected with a butt joint pipe (15); the furnace body (1) is provided with a mounting port two connected with a connecting flange two (16); the atmosphere supplement pipeline is inserted into the connecting flange two (16); and the butt joint pipe (15) is movably connected with the atmosphere supplement pipeline.

5. The atmosphere protection air cooling chamber structure of a brazing furnace according to claim 4, wherein The atmosphere supplement pipeline comprises a main pipeline (17) and a moving pipe head (18); the moving pipe head (18) is inserted into the connecting flange two (16); the moving pipe head (18) is inserted into the main pipeline (17); the furnace body (1) is connected with a fixing support (19) and a control ring (20); the fixing support (19) is connected with the main pipeline (17); the control ring (20) is connected with one end of the moving pipe head (18); and the butt joint pipe (15) is inserted into the other end of the moving pipe head (18).

6. The atmosphere protection air cooling chamber structure of a brazing furnace according to claim 5, wherein The diameter of the moving pipe head (18) is greater than that of the butt joint pipe (15); the end surface of the moving pipe head (18) has a wedge shape; and the end surface of the moving pipe head (18) is provided as a guide inclined surface (21).

7. The atmosphere protection air cooling chamber structure of a brazing furnace according to claim 4 or 6, characterized in that, The operation box (3) is provided with a docking socket (22), the docking socket (22) and the docking pipe (15) are respectively arranged at both ends of the operation box (3), the furnace body (1) is connected with the gas outlet pipeline (23), one end of the gas outlet pipeline (23) is inserted with the docking socket (22), the other end of the gas outlet pipeline (23) is connected with the conveying pipe (24) and extends out of the furnace body (1).

8. The atmosphere protection air cooling chamber structure of a brazing furnace according to claim 1, wherein The upper end of the furnace body (1) is provided with a plurality of upper openings, the upper openings are connected with the air outlet pipe (7), the air outlet pipe (7) is connected with the upper opening, a fan (25) is installed in the air outlet pipe (7), the lower end of the furnace body (1) is provided with a plurality of lower openings, the lower openings are connected with the air inlet pipe (8) and the lower openings are connected.

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