A high frequency welding door

Abstract

The present invention relates to a high-frequency welding door, comprising a flat plate, a first long side, two first short sides, a second long side, a first folding surface and two second folding surfaces, wherein the high-frequency welding door is formed by the first long side, the first short side, the second long side and the first short side being arranged vertically in sequence, the bottom ends of the first long side, the first short side and the second long side are respectively connected to the flat plate, the first folding surface is formed by bending the top end of the first long side toward the second long side, the top end of the first short side is bent inwardly to form the second folding surface, and a plurality of convex points are arranged at the bottom end of the second long side. The high-frequency welding door of the present invention has the characteristics of a streamlined structure, meeting strength requirements, not using spot welding and polishing operations, reducing costs, improving efficiency, and improving surface quality.

Description

Technical Field

[0001] The invention relates to the technical field of cabinets, in particular to a high-frequency welding door. Background Art

[0002] At present, cabinet doors are often spot welded and then surface treated. Some cabinets use door and reinforcement welding on the front and back. The doors and reinforcements need to be positioned and welded and then surface polished.

[0003] This welding method involves many materials and processing steps. It is easy to cause uneven welding and pits on the product surface during welding. The polishing process is cumbersome and easily causes uneven surface.

[0004] For this reason, we have developed a high-frequency welding door to solve the above shortcomings. Summary of the invention

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a high-frequency welding door with a streamlined structure, meeting strength requirements, not using spot welding and polishing operations, reducing costs, improving efficiency, and improving surface quality.

[0006] To achieve the above purpose, the technical solution adopted by the present invention is: a high-frequency welding door, including a flat plate, a first long side, two first short sides, a second long side, a first folding surface and two second folding surfaces, the high-frequency welding door is formed by the first long side, the first short side, the second long side and the first short side being vertically surrounded in sequence, the bottom ends of the first long side, the first short side and the second long side are respectively connected to the flat plate, the first folding surface is formed by bending the top end of the first long side toward the second long side, the top end of the first short side is bent inward to form the second folding surface, and a plurality of convex points are provided at the bottom end of the second long side. Under high-frequency welding, the convex points are welded to the flat plate, and surface polishing is not required, thereby reducing labor costs.

[0007] Preferably, the second long side surface includes a first bending surface, a second bending surface and a third bending surface, the second bending surface and the first bending surface are bent in sequence at the top of the third bending surface, and the first bending surface, the second bending surface and the third bending surface form a U-shaped groove structure.

[0008] Preferably, the convex point is provided at the bottom end of the second bending surface, and the convex point and the bottom end of the third bending surface are respectively in contact with the flat plate.

[0009] Preferably, the shape of the protrusion is any one of spherical, cylindrical and conical.

[0010] Preferably, the first folded surface is pressed against the top of the second folded surface, thereby improving the strength of the welded door.

[0011] Preferably, the first folding surface is provided with a plurality of Z-shaped holes, a plurality of first strip holes and a plurality of second strip holes, the second strip holes are arranged parallel to the first strip holes, the second strip holes are arranged close to the first long side surface, the Z-shaped hole is arranged in the middle position between the first strip hole and the first strip hole, and is arranged in the middle position between the second strip hole and the second strip hole.

[0012] Preferably, a plurality of first strip holes and a plurality of second strip holes are provided on the second bending surface, the first strip holes and the second strip holes are arranged in parallel, and the first strip holes are arranged close to the first bending surface.

[0013] Preferably, a plurality of third strip-shaped holes are evenly distributed on the first short side surface, and a circular through hole is respectively provided at both ends of the first short side surface, so as to facilitate installation and connection.

[0014] Preferably, the top heights of the first folding surface and the second folding surface are the same, so as to facilitate the assembly of the panel.

[0015] Preferably, the flat plate is provided with a plurality of regular hexagonal heat dissipation holes, a first square hole and a second square hole, the heat dissipation holes are arranged at the top of the flat plate, and the heat dissipation holes are arranged in a staggered manner, the first square hole is arranged on the upper side of the second square hole, and is arranged close to the first bending surface. The first square hole and the second square hole are convenient for installing the lock.

[0016] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

[0017] 1. Compared with conventional doors, high-frequency welded doors reduce the processing and welding of accessories such as reinforcing ribs, the materials to be processed are simpler, and the strength meets the design requirements;

[0018] 2. Compared with flanged welded doors, it reduces manual spot welding, polishing and other processes;

[0019] 3. After the high-frequency welded door is welded by the spot welding machine, it does not need to be welded manually or machined, which reduces the labor cost. There are no welding spots on the surface, which makes it more beautiful and natural.

[0020] 4. There is no welding mark on the surface after high-frequency welding, and no manual polishing is required, reducing polishing costs;

[0021] 5. Compared with polished doors, high-frequency welded doors do not have problems such as pits, welding slag, and bulges because the surface is not polished. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1A three-dimensional diagram of the high-frequency welding door of the present invention;

[0023] Figure 2 This is a front view of the high-frequency welding door of the present invention;

[0024] Figure 3 It is a right side view of the high frequency welding door of the present invention;

[0025] Figure 4 It is a rear view of the high frequency welding door of the present invention;

[0026] Figure 5 For the present invention Figure 1 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Figures 1 to 5 In the invention, a high frequency welding door comprises a flat plate 1, a first long side 2, two first short side 5, a second long side 4, a first folding surface 3 and two second folding surfaces 6. The high frequency welding door is formed by the first long side 2, the first short side 5, the second long side 4 and the first short side 5 being arranged vertically in sequence.

[0029] The bottom ends of the first long side surface 2, the first short side surface 5 and the second long side surface 4 are respectively connected to the flat plate 1. The first folded surface 3 is formed by bending the top end of the first long side surface 2 toward the second long side surface 4 by 90 degrees.

[0030] The top of the first short side surface 5 is bent inward to form a second folding surface 6. Six third strip holes 51 are evenly distributed on the first short side surface 5. A circular through hole 52 is provided at each end of the first short side surface 5. Twenty-one groups of protrusions 410 are provided at the bottom end of the second long side surface 4. Each group of protrusions 410 has three protrusions, and the shape of the protrusions 410 is any one of spherical, cylindrical and conical. The first folding surface 3 is crimped at the top of the second folding surface 6 to improve the strength of the welded door. After the high-frequency welding door is bent and welded with a high-frequency spot welding machine, the continuous protrusions 410 can be evenly self-melted on the flat material 1, and the welding points are still intact after the tensile force reaches 1.6KN.

[0031] The second long side surface 4 includes a first bending surface 41, a second bending surface 42 and a third bending surface 43. The second bending surface 42 and the first bending surface 41 are bent 90° in sequence at the top of the third bending surface 43. The top heights of the first folding surface 3 and the second bending surface 42 are the same. The first bending surface 41, the second bending surface 42 and the third bending surface 43 form a U-shaped groove structure. A convex point 410 is provided at the bottom end of the second bending surface 42. The convex point 410 and the bottom end of the third bending surface 43 are respectively in contact with the flat plate 1. The second bending surface 42 is provided with 11 first strip holes 31 and a plurality of second strip holes 33. The first strip hole 31 and the second strip hole 33 are arranged in parallel, and the first strip hole 31 is arranged close to the first bending surface 41.

[0032] The first folding surface 3 is provided with 3 Z-shaped holes 32, 10 first strip holes 31 and a plurality of second strip holes 33. The second strip holes 33 are arranged in parallel with the first strip holes 31, and the second strip holes 33 are arranged close to the first long side surface 2. The Z-shaped hole 32 is arranged at a position between the first strip holes 31 and the first strip holes 31, and is arranged at a position between the second strip holes 33 and the second strip holes 33. Three and five first strip holes 31 are arranged between adjacent Z-shaped holes 32, respectively.

[0033] The flat plate 1 is provided with a plurality of regular hexagonal heat dissipation holes 11, a first square hole 12 and a second square hole 13. The heat dissipation holes 11 are arranged at the top of the flat plate 1 in an L-shaped distribution, and the heat dissipation holes 11 are staggered. The first square hole 12 is arranged on the upper side of the second square hole 13 and is arranged close to the first bending surface 41.

[0034] The high-frequency welded door is formed by a first long side 2, a first short side 5, a second long side 4 and a first short side 5 which are arranged vertically in sequence. The first folded surface 3 at the top of the first long side 2 is crimped onto the second folded surface 6 at the top of the first short side 5, and then the bottom end protrusion 410 of the first bent surface 41 of the second long side 4 is welded to the flat material 1 by high-frequency welding.

[0035] The present invention simplifies the welding and polishing process of the front and rear doors of the cabinet, reduces the processing time, makes the product appearance more beautiful, and meets the strength requirements, thereby improving efficiency and reducing production costs.

[0036] The above are only specific application examples of the present invention and do not constitute any limitation on the protection scope of the present invention. Any technical solution formed by equivalent transformation or equivalent replacement shall fall within the protection scope of the present invention.

Claims

1. A high frequency welding door, characterized in that: The high-frequency welding door comprises a flat plate, a first long side surface, two first short side surfaces, a second long side surface, a first folding surface and two second folding surfaces, wherein the high-frequency welding door is formed by the first long side surface, the first short side surface, the second long side surface and the first short side surface being vertically surrounded in sequence, the bottom ends of the first long side surface, the first short side surface and the second long side surface are respectively connected to the flat plate, the first folding surface is formed by bending the top end of the first long side surface toward the second long side surface, the top end of the first short side surface is bent inwardly to form the second folding surface, and a plurality of convex points are provided at the bottom end of the second long side surface; The second long side surface includes a first bending surface, a second bending surface and a third bending surface, the second bending surface and the first bending surface are bent in sequence at the top of the third bending surface, and the first bending surface, the second bending surface and the third bending surface form a U-shaped groove structure; The convex point is provided at the bottom end of the second bending surface, and the convex point and the bottom end of the third bending surface are respectively in contact with the flat plate; High-frequency welding door bending can make continuous convex points evenly self-melted on the flat material after welding with a high-frequency spot welding machine, and the pulling force reaches 1.6KN; The top heights of the first folding surface and the second folding surface are the same; The flat plate is provided with a plurality of regular hexagonal heat dissipation holes, a first square hole and a second square hole. The heat dissipation holes are arranged at the top of the flat plate and are arranged in a staggered manner. The first square hole is arranged on the upper side of the second square hole and is arranged close to the first bending surface.

2. The high frequency welding door according to claim 1, characterized in that: The shape of the protrusions is any one of spherical, cylindrical and conical.

3. The high frequency welding door according to claim 2, characterized in that: The first folded surface is pressed against the top end of the second folded surface.

4. The high frequency welding door according to claim 3, characterized in that: The first folding surface is provided with a plurality of Z-shaped holes, a plurality of first strip holes and a plurality of second strip holes, the second strip holes are arranged parallel to the first strip holes, the second strip holes are arranged close to the first long side surface, the Z-shaped hole is arranged in the middle position between the first strip holes and the first strip holes, and is arranged in the middle position between the second strip holes and the second strip holes.

5. The high frequency welding door according to claim 1, characterized in that: The second bending surface is provided with a plurality of first strip holes and a plurality of second strip holes, the first strip holes are arranged in parallel with the second strip holes, and the first strip holes are arranged close to the first bending surface.

6. The high frequency welding door according to claim 1, characterized in that: A plurality of third strip-shaped holes are evenly distributed on the first short side surface, and a circular through hole is respectively provided at both ends of the first short side surface.

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