Box part brazing locking structure
By using stainless steel lock counterbolt bolts and multi-directional brazing surface structure in alloy aluminum box brazing parts, the problem of dimensional deformation caused by thermal expansion of the brazing parts is solved, and the stability and reliability of welding quality are improved.
Patent Information
- Application Number
- CN202421166384.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-27
AI Technical Summary
During the manufacturing process of alloy aluminum box, the quality of the brazing part of the brazing part decreases due to thermal expansion and shrinkage, and the dimensional deformation affects the welding quality.
The box part brazed lock structure is adopted, including brazing parts one and two, and a welding surface assembly is arranged around the brazing part two, and the brazing part one is installed at the top through a locking countersunk bolt. The locking component includes X-direction and Y Toward the brazing surface, the lock countersunk bolt is made of stainless steel, with a thickness greater than 20mm, perpendicular to the brazing surface, providing additional locking force to offset the thermal expansion pressure.
Effectively prevent the relative displacement of the brazing surface in the high-temperature vacuum furnace, reduce the decrease in the strength of the brazing layer caused by temperature changes, and ensure the stability and reliability of welding quality.
Smart Images
Figure CN222344436U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of box body parts processing, in particular to a box body parts brazing locking structure. Background Art
[0002] Alloy aluminum cabinet is a part widely used in various industrial equipment. Its structural strength and sealing have an important impact on the performance and service life of the equipment. In the manufacturing process of alloy aluminum cabinet, brazing is a common connection process, which connects two or more metal parts through brazing materials to form a whole.
[0003] After extensive searching, it was found that in the prior art, general brazing parts aluminum alloy materials are welded together through vacuum brazing, and because the brazing parts are surrounded by water channels, high requirements are placed on dimensional control during brazing. Brazing parts will produce large dimensional deformation in the Y direction due to the temperature rising to about 600°C in a vacuum furnace. The locking of the top surface will cause the brazing parts to be limited in expansion in the Y direction, resulting in size reduction after cooling, thereby causing abnormal processing of the internal flow channels of the weldment and resulting in a decrease in the quality of the Y-direction brazing surface. Utility Model Content
[0004] In order to remedy the above deficiencies, the utility model provides a brazing locking structure for box parts, aiming to improve the problem mentioned in the prior art that "the quality of the Y-direction brazing surface is reduced due to thermal expansion and contraction of the brazed parts".
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a box part brazing locking structure, including a brazing component two, a welding surface assembly is arranged around the periphery of the brazing component two, a brazing component one is installed on the top end of the brazing component two through a locking countersunk bolt, a locking assembly is arranged around the periphery of the brazing component one, the welding surface assembly includes an X-direction brazing surface, and the X-direction brazing surface is arranged at the top end of the brazing component two.
[0006] As a further description of the above technical solution:
[0007] The welding surface assembly also includes a Y-direction brazing surface, which is arranged on the left side of the second brazing component. The locking assembly includes an X-direction locking, which is arranged on the left side of the first brazing component. The locking assembly also includes a Y-direction locking, which is arranged on the top of the first brazing component.
[0008] As a further description of the above technical solution:
[0009] A counterweight pre-stressing surface is also provided at the top end of the brazing part, the number of the locking countersunk bolts is arranged in multiple groups, the Y-direction brazing surfaces are arranged in three, and the X-direction brazing surfaces are arranged in four.
[0010] As a further description of the above technical solution:
[0011] The materials of the brazing part 1 and the brazing part 2 are both set to alloy aluminum, and the material of the locking countersunk bolt is set to stainless steel.
[0012] As a further description of the above technical solution:
[0013] The locking thickness of the locking countersunk bolt is greater than mm.
[0014] As a further description of the above technical solution:
[0015] The locking countersunk bolt is relatively perpendicular to the X-direction brazing surface and the Y-direction brazing surface.
[0016] The utility model has the following beneficial effects:
[0017] 1. In the utility model, the locking thickness of the locking countersunk bolt is greater than 20 mm to lock the brazing part 1 and the brazing part 2, thereby preventing the brazing surface from being relatively displaced in the high-temperature vacuum furnace and effectively reducing the decrease in the strength of the brazing layer caused by temperature changes. In addition, the locking thickness is greater than 20 mm, and a pressing force is generated on the brazing surface under the action of thermal expansion, so that the brazing surface is fully integrated with the brazing part 1 and the brazing part 2, thereby ensuring the stability of the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the welding process of the brazing locking structure of the box parts in the utility model.
[0019] Legend:
[0020] 1. Brazing part 1; 2. Locking countersunk bolt; 3. Brazing part 2; 4. Locking in Y direction; 5. Locking in X direction; 6. Brazing surface in X direction; 7. Brazing surface in Y direction; 8. Preloading with counterweight. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Reference Figure 1The utility model provides an embodiment: a box body part brazing locking structure, comprising a brazing component 2 (3), a welding surface assembly is arranged around the brazing component 2 (3), a brazing component 1 (1) is installed on the top of the brazing component 2 (3) through a locking countersunk bolt (2), wherein the locking countersunk bolt (2) is made of stainless steel, and the locking countersunk bolt (2) of stainless steel has the characteristics of high strength and corrosion resistance, and can maintain stable performance under high temperature and harsh environment, thereby ensuring the reliability and durability of the brazing process, and thus increasing its service life, and the materials of the brazing component 1 (1) and the brazing component 2 (3) are both set to alloy aluminum, and the alloy aluminum has a small density, and the density of the aluminum alloy is close to 2.7g / cm 3 , which is about 1 / 3 of that of iron or copper, and the surface of the alloy aluminum is easy to naturally produce a dense and firm ALO3 protective film, which can well protect the substrate from corrosion. In addition, through artificial anodizing and coloring, a cast aluminum alloy with good casting performance or a deformed aluminum alloy with good processing plasticity can be obtained. A locking assembly is arranged around the brazing part one (1), and the welding surface assembly includes an X-direction brazing surface (6), and the X-direction brazing surface (6) is arranged at the top of the brazing part two (3).
[0023] Furthermore, the welding surface assembly also includes a Y-direction brazing surface (7), which is used to provide a welding contact surface in the Y direction to enhance the connection strength between the brazing component 1 (1) and the brazing component 2 (3), and together with the X-direction brazing surface (6), constitutes a comprehensive welding structure to ensure the stability and reliability of welding. The Y-direction brazing surface (7) is arranged on the left side of the brazing component 2 (3). The locking assembly includes an X-direction locking (5), which is arranged on the left side of the brazing component 1 (1). The locking assembly also includes a Y-direction locking (4), which is arranged at the top end of the brazing component 1 (1). The X-direction locking 5 is used to provide additional locking force in the X direction to ensure the stability of the brazing component 1 (1) and the brazing component 2 (3) in the X direction. Similarly, the Y-direction locking 4 provides additional locking force in the Y direction to enhance the connection strength between the two brazing components and effectively prevent the relative displacement of the brazing components in the high-temperature vacuum furnace, thereby ensuring the stability and reliability of the welding quality.
[0024] Reference Figure 1The top of the brazing piece (1) is also provided with a counterweight pre-stressing surface (8), which is used to provide additional pressure and stability during the brazing process to ensure sufficient contact between the brazing surfaces and the welding quality. By reasonably setting the position and size of the counterweight pre-stressing surface 8, uniform pressure distribution can be achieved during the brazing process, reducing the generation of welding deformation and stress, and improving the quality and reliability of the welded joint. The number of the locking countersunk bolts (2) is set in multiple groups, the Y-direction brazing surfaces (7) are set to three, the X-direction brazing surfaces (6) are set to four, and the locking countersunk bolts (2) are set to The locking thickness of the bolt (2) is greater than 20 mm. The locking thickness greater than 20 mm generates a pressing force on the brazing surface under the action of thermal expansion, and the brazing surface is fully integrated with the brazing component 1 (1) and the brazing component 2 (3), ensuring the stability of the welding quality. The locking countersunk bolt (2) is relatively vertical to the X-direction brazing surface (6) and the Y-direction brazing surface (7), ensuring the close contact between the locking countersunk bolt (2) and the brazing surface, effectively preventing the relative displacement of the brazing component 1 (1) and the brazing component 2 (3) in the high-temperature vacuum furnace, and further improving the stability and reliability of the welding quality.
[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A box body parts brazing locking structure, comprising a brazing part 2 (3), characterized in that: A welding surface assembly is arranged around the second brazing component (3), the top end of the second brazing component (3) is installed with the first brazing component (1) via a locking countersunk bolt (2), a locking assembly is arranged around the first brazing component (1), and the welding surface assembly includes an X-direction brazing surface (6), and the X-direction brazing surface (6) is arranged at the top end of the second brazing component (3).
2. The box parts brazing locking structure according to claim 1 is characterized in that: The welding surface assembly also includes a Y-direction brazing surface (7), and the Y-direction brazing surface (7) is arranged on the left side of the second brazing component (3). The locking assembly includes an X-direction locking (5), and the X-direction locking (5) is arranged on the left side of the first brazing component (1). The locking assembly also includes a Y-direction locking (4), and the Y-direction locking (4) is arranged at the top end of the first brazing component (1).
3. The box parts brazing locking structure according to claim 2 is characterized in that: The top of the brazing component 1 (1) is also provided with a counterweight pre-stressing surface (8), the number of the locking countersunk bolts (2) is provided in multiple groups, the number of the Y-direction brazing surfaces (7) is provided in three, and the number of the X-direction brazing surfaces (6) is provided in four.
4. The box parts brazing locking structure according to claim 1, characterized in that: The materials of the brazing component 1 (1) and the brazing component 2 (3) are both set to be alloy aluminum, and the material of the locking countersunk bolt (2) is set to be stainless steel.
5. The box parts brazing locking structure according to claim 1, characterized in that: The locking thickness of the locking countersunk bolt (2) is greater than 20 mm.
6. The box parts brazing locking structure according to claim 2, characterized in that: The locking countersunk bolt (2) is relatively perpendicular to the X-direction brazing surface (6) and the Y-direction brazing surface (7).