Structure for strengthening welding strength

Abstract

The utility model relates to the technical field of machining, and discloses a structure for strengthening welding strength, which comprises a first welding piece and a second welding piece, the first welding piece is provided with a first welding surface, and the second welding piece is provided with a second welding surface; the first welding surface and the second welding surface are opposite in position and are welded, and non-flat welding is adopted between the first welding surface and the second welding surface; non-flat welding is adopted between the first welding piece and the second welding piece, the welding area of the first welding piece and the second welding piece can be increased, the shearing force borne by a welding interface is larger, and therefore the welding strength can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, and more specifically, particularly relates to a structure for strengthening welding strength. Background Art

[0002] Currently, when welding two or more different materials, the welding surface generally adopts a flat welding structure for surface-to-surface welding, as shown in Figure 1 When a large shearing force is generated during the machining process, the welding interface is prone to fracture, resulting in the disintegration of the two materials. If the rotational speed of the material is relatively high, after disintegration, it will damage the machine tool and even injure the operator. Summary of the Invention

[0003] The purpose of the utility model is to provide a structure for strengthening welding strength, which can increase the welding area and improve the welding strength, aiming at the technical problems existing in the prior art.

[0004] To solve the above problems, the technical solution adopted by the utility model is as follows:

[0005] The utility model provides a structure for strengthening welding strength, including a first welding part and a second welding part. The first welding part has a first welding surface, and the second welding part has a second welding surface; the first welding surface and the second welding surface are opposite in position and are welded, and non-flat welding is adopted between the first welding surface and the second welding surface.

[0006] Further, a convex cone part or a concave cone part is provided at the welding end of the first welding part and has a first welding cone surface; a concave cone part or a convex cone part that cooperates with the first welding part is provided at the welding end of the second welding part and has a second welding cone surface.

[0007] Further, the cone angle α of the convex cone part or the concave cone part on the first welding part and the second welding part is 90° to 135°.

[0008] Further, a first arc part is provided at the welding end of the first welding part, and the first arc part connects the first welding cone surface; a second arc part is provided at the welding end of the second welding part, and the second arc part connects the second welding cone surface.

[0009] Further, the radii of both the first arc part and the second arc part are 0.1 mm to 10 mm.

[0010] Further, a concave platform or a convex platform is provided at the welding end of the first welding part, and a convex platform or a concave platform that cooperates with the first welding part is provided at the welding end of the second welding part.

[0011] Further, the concave platform and the convex platform adopt a cylindrical structure or a square structure.

[0012] Further, the diameters of the concave platform and the convex platform are set as d1, and the depth is h1; the first welding piece and the second welding piece are made of cylindrical bar stock with diameters D1 and D2 respectively, and d1 / D1 and d1 / D2 are 0.01 to 0.9, and h1 is 0.1 mm to 5 mm.

[0013] Further, the longest sides of the concave platform and the convex platform are set as L1, and the depth is h2; the first welding piece and the second welding piece are made of cylindrical bar stock with diameters D1 and D2 respectively, and L1 / D1 and L1 / D2 are 0.01 to 0.9, and h2 is 0.1 mm to 5 mm.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] In the present utility model, non-flat welding is adopted between the first welding piece and the second welding piece, which can increase the welding area between the first welding piece and the second welding piece, improve the welding strength of the two, make the shear force borne by the welding interface greater, and ensure the rigidity of the overall structure, overcoming the problem that the welding surface is prone to fracture and material disintegration occurs. Description of the Drawings

[0016] In order to more clearly illustrate the solutions in the present utility model, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings. Among them:

[0017] Figure 1 It is a schematic diagram of the welding surface of two existing materials.

[0018] Figure 2 It is a schematic diagram of the first embodiment of the structure for strengthening the welding strength of the present utility model.

[0019] Figure 3 It is a partial schematic diagram of the first embodiment of the structure for strengthening the welding strength of the present utility model.

[0020] Figure 4 It is a partial schematic diagram of the second embodiment of the structure for strengthening the welding strength of the present utility model.

[0021] Figure 5 It is a schematic diagram of the third embodiment of the structure for strengthening the welding strength of the present utility model.

[0022] Among them, 10 - the first welding piece, 20 - the second welding piece, 11 - the first welding surface, 12 - the second welding surface, 101 - the first welding cone surface, 201 - the second welding cone surface, 102 - the first arc portion, 202 - the second arc portion, 110 - the concave platform, 210 - the convex platform. Detailed Embodiments

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this utility model belongs; the terms used in this specification are only for the purpose of describing specific embodiments and are not intended to limit this utility model. For example, the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or position based on the orientation or position shown in the drawings, and are only for convenience of description and cannot be construed as a limitation to this technical solution.

[0024] The terms "comprising" and "having" and any variations thereof in the specification and claims of this utility model and the above description of the drawings are intended to cover non-exclusive inclusion; the terms "first", "second", etc. in the specification and claims of this utility model or the above drawings are used to distinguish different objects and not to describe a specific order. In the specification and claims of this utility model and the above description of the drawings, when an element is referred to as "fixed to" or "mounted on" or "disposed on" or "connected to" another element, it can be directly or indirectly located on that other element. For example, when an element is referred to as "connected to" another element, it can be directly or indirectly connected to that other element.

[0025] In addition, the mention of "embodiment" herein means that a specific feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this utility model. The phrase appears at various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0026] Referring to Figure 2 As shown, this utility model provides a structure for strengthening welding strength, including a first welding member 10 and a second welding member 20. The first welding member 10 has a first welding surface 11, and the second welding member 20 has a second welding surface 12; the first welding surface 11 and the second welding surface 12 are opposite in position and are welded, and a non-flat welding is adopted between the first welding surface 11 and the second welding surface 12.

[0027] It can be understood that the first welding member 10 and the second welding member 20 can be any one of structural shapes such as flat plate-shaped, column-shaped, spherical, etc., and the structural shapes of the first welding member 10 and the second welding member 20 can be the same or different.

[0028] Specifically, non-flat welding is used between the first welding piece 10 and the second welding piece 20, which can increase the welding area between the first welding piece 10 and the second welding piece 20, improve the welding strength of the two, ensure the rigidity of the overall structure, overcome the problem that the welding surface is prone to fracture and material disintegration, and ensure the safety of the equipment and personnel.

[0029] In an embodiment of the present utility model, conical surface welding is used between the first welding surface 11 and the second welding surface 12, that is, a convex conical part or a concave conical part is provided at the welding end of the first welding piece 10, and a first welding conical surface 101 is formed; a concave conical part or a convex conical part matching with the first welding piece 10 is provided at the welding end of the second welding piece 20, and a second welding conical surface 201 is formed.

[0030] Specifically, the end of the first welding piece 10 can extend away from the center direction to form a convex conical part, and the end of the second welding piece 20 can be recessed toward the center to form a concave conical part, so as to realize conical surface welding of the welding surfaces of the first welding piece 10 and the second welding piece 20. It can be understood that a concave conical part can also be formed at the end of the first welding piece 10, and a convex conical part can also be formed at the end of the second welding piece 20, both of which can realize conical surface welding between the first welding piece 10 and the second welding piece 20.

[0031] Furthermore, the cone angle α of the convex conical part or the concave conical part on the first welding piece 10 and the second welding piece 20 is 90° to 135°, which is convenient for reliable welding of the first welding conical surface 101 and the second welding conical surface 201, and ensures the reliability and stability of the overall structure.

[0032] Specifically, the cone angle α can take values of 90°, 100°, 110°, 120°, 130°, 135° or any value within the range, and reliable welding between the first welding piece 10 and the second welding piece 20 can be realized.

[0033] In this embodiment, conical surface welding is used between the first welding piece 10 and the second welding piece 20, which can increase the welding area between the two, and adopts the structure of the first welding conical surface 101 and the second welding conical surface 201, that is, relying on the strength of the materials of the first welding piece 10 and the second welding piece 20 itself, the welded surface after welding can withstand greater shear force.

[0034] In some embodiments, refer to Figure 4 As shown, a first arc part 102 is provided at the welding end of the first welding piece 10, and the first arc part 102 is connected to the first welding conical surface 101; a second arc part 202 is provided at the welding end of the second welding piece 20, and the second arc part 202 is connected to the second welding conical surface 201.

[0035] Specifically, arc portions are provided at the ends of the first welding member 10 and the second welding member 20 that are welded together, that is, the first arc portion 102 and the second arc portion 202 are added, which can prevent the sharp corner positions of the convex cone portion or the concave cone portion, and avoid material fracture during the welding process due to too thin material, forming welding cavities, thereby affecting the welding strength.

[0036] Furthermore, the radii of the first arc portion 102 and the second arc portion 202 are 0.1 mm to 10 mm. Specifically, the values can be 0.1 mm, 2 mm, 4.5 mm, 5 mm, 6 mm, 7.5 mm, 10 mm or any value within the range, which is convenient for processing and can also meet the actual needs.

[0037] In another embodiment of the present invention, refer to Figure 5 As shown, the welding end of the first welding member 10 is provided with a concave platform 110 or a convex platform, and the welding end of the second welding member 20 is provided with a convex platform 210 or a concave platform that cooperates with the first welding member 10, which can also increase the welding area between the first welding member 10 and the second welding member 20 and improve the welding strength.

[0038] It can be understood that the concave platform 110 or the convex platform 210 can adopt a cylindrical structure, a square structure or other shaped structures, which can all meet the actual needs, and can also improve the welding strength of the two and ensure the reliability of the overall structure.

[0039] In this embodiment, the concave platform 110 and the convex platform 210 adopt a cylindrical structure, the diameter is set as d1, and the depth is h1; the first welding member 10 and the second welding member 20 are both cylindrical bar materials, and the diameters are D1 and D2 respectively, then d1 / D1 and d1 / D2 are 0.01 to 0.9, and h1 is 0.1 mm to 5 mm.

[0040] Specifically, d1 / D1 and d1 / D2 can take values of 0.01, 0.1, 0.3, 0.5, 0.7, 0.9 or any value within the range, and h1 can take values of 0.1 mm, 1 mm, 2.5 mm, 4 mm, 5 mm or any value within the range. While ensuring the structural rigidity of the first welding member 10 and the second welding member 20, it can also improve the welding strength of the first welding member 10 and the second welding member 20.

[0041] In other embodiments, the concave platform 110 and the convex platform 210 adopt a square structure, the longest side is set as L1, and the depth is h2; the first welding member 10 and the second welding member 20 are both cylindrical bar materials, and the diameters are D1 and D2 respectively, then L1 / D1 and L1 / D2 are 0.01 to 0.9, and h2 is 0.1 mm to 5 mm.

[0042] Specifically, the values of L1 / D1 and L1 / D2 can be 0.01, 0.1, 0.3, 0.5, 0.7, 0.9 or any value within the range, and the value of h2 can be 0.1 mm, 1 mm, 2.5 mm, 4 mm, 5 mm or any value within the range. While ensuring the structural rigidity of both the first welding part 10 and the second welding part 20, the welding strength of the first welding part 10 and the second welding part 20 can also be improved.

[0043] The present utility model provides a structure for enhancing welding strength. By adopting various structures for enhancing welding strength at the welding ends of both the first welding part 10 and the second welding part 20, the welding area is increased, so that the shear force borne by the welding interface is greater and the structure will not fall apart.

[0044] The above embodiments are the preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present utility model shall be equivalent replacement methods and are all included in the protection scope of the present utility model.

Claims

1. A structure for enhancing welding strength, characterized in that: It includes a first welding part and a second welding part. The first welding part has a first welding surface, and the second welding part has a second welding surface. The first welding surface and the second welding surface are opposite in position and are welded, and a non-flat welding is adopted between the first welding surface and the second welding surface.

2. The structure for enhancing welding strength according to claim 1, wherein: A convex cone part or a concave cone part is provided at the welding end of the first welding part, and it has a first welding cone surface. A concave cone part or a convex cone part that matches the first welding part is provided at the welding end of the second welding part, and it has a second welding cone surface.

3. The structure for enhancing welding strength according to claim 2, wherein: The cone angle α of the convex cone part or the concave cone part on the first welding part and the second welding part is 90° - 135°.

4. The structure for strengthening welding strength according to claim 2 or 3, characterized in that: A first arc part is provided at the welding end of the first welding part, and the first arc part connects the first welding cone surface. A second arc part is provided at the welding end of the second welding part, and the second arc part connects the second welding cone surface.

5. The structure for enhancing welding strength according to claim 4, characterized in that: The radii of both the first arc part and the second arc part are 0.1 mm - 10 mm.

6. The structure for enhancing welding strength according to claim 1, wherein: A concave platform or a convex platform is provided at the welding end of the first welding part, and a convex platform or a concave platform that matches the first welding part is provided at the welding end of the second welding part.

7. The structure for strengthening welding strength according to claim 6, wherein: The concave platform and the convex platform adopt a cylindrical structure or a square structure.

8. The structure for strengthening welding strength according to claim 7, wherein: The diameter of the concave platform and the convex platform is set as d1, and the depth is h1. The first welding part and the second welding part adopt cylindrical bar materials with diameters D1 and D2 respectively, and d1 / D1 and d1 / D2 are 0.01 - 0.9, and h1 is 0.1 mm - 5 mm.

9. The structure for enhancing welding strength according to claim 7, wherein: The longest side of the concave platform and the convex platform is set as L1, and the depth is h2. The first welding part and the second welding part adopt cylindrical bar materials with diameters D1 and D2 respectively, and L1 / D1 and L1 / D2 are 0.01 - 0.9, and h2 is 0.1 mm - 5 mm.

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