Tailor welding type housing and welding table

Abstract

The utility model relates to the technical field of positioning welding, in particular to a tailor-welded housing and a welding table. A tailor-welded housing and a welding table used for positioning the tailor-welded housing before welding, the tailor-welded housing is composed of a pair of vertical plates and a pair of supporting plates, the vertical plates are oppositely arranged at intervals, and the supporting plates are oppositely arranged between the vertical plates at intervals and are perpendicular to the vertical plates. Wherein the second supporting plate comprises an upper plate, a lower plate and a connecting plate, the welding table comprises a base, positioning and locking assemblies are arranged in the X direction and the Y direction of the base respectively and comprise a positioning frame and a locking assembly, the tailor-welded housing is limited between the positioning frame and the locking assembly, the outer side face of the vertical plate abuts against the positioning frame and the locking assembly in the Y direction, and the outer side face of the supporting plate abuts against the X direction. The locking assembly locks and positions the vertical plate and the first supporting plate in the X direction and the Y direction, so that the vertical plate and the supporting plate are kept perpendicular, then welding connection is conducted, and tailor-welded housing machining is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning welding, and particularly relates to a welded casing and a welding table. Background Art

[0002] With the rapid development of modern industry, the requirements for welding quality and efficiency are constantly increasing. In many fields such as automobile manufacturing, aerospace, and mechanical equipment, welding is a key connection process. In order to ensure the strength, precision, and reliability of the welded structure, precise welding positioning technology is required to ensure the correct position of the welded parts during the welding process.

[0003] Currently, in the actual production process, the corresponding welded vertical plate 1 of the present application is as Figure 1 shown, including: a pair of vertical plates 1, a pair of support plates 2. The pair of vertical plates 1 are arranged at intervals relatively. The pair of support plates 2 are arranged at intervals relatively between the pair of vertical plates 1. The two side ends of the pair of support plates 2 are respectively connected to the inner sides of the corresponding vertical plates 1. The vertical plates 1 and the support plates 2 are perpendicular to each other. The pair of support plates 2 include: a first support plate 21, a second support plate 22. The first support plate 21 and the second support plate 22 are arranged at intervals in the X direction. The second support plate 22 includes: an upper plate 221, a lower plate 222, and a connecting plate 223. The upper plate 221 is vertically arranged at the upper end of the lower plate 222. The lower plate 222 is arranged in a dislocation manner in the X direction relative to the upper plate 221 towards the direction close to the first support plate 21. The connecting plate 223 is arranged between the upper plate 221 and the lower plate 222. The connecting plate 223 connects the upper plate 221 and the lower plate 222. For the above-mentioned welded vertical plate 1, it is a closed whole formed by assembling a pair of vertical plates 1 and a pair of support plates 2. Then, the adjacent vertical plates 1 and support plates 2 are welded to obtain the required welded casing. However, during the welding process of the vertical plates 1 and the support plates 2, it is difficult to keep the adjacent vertical plates 1 and support plates 2 perpendicular, which will cause deformation of the required welded casing. Therefore, a welding table is needed to position the adjacent vertical plates 1 and support plates 2 before welding to ensure the perpendicularity of the adjacent vertical plates 1 and support plates 2. Summary of the Utility Model

[0004] To overcome the deficiencies of the above prior art, the utility model provides a welding table, which solves the technical problem that it is difficult to keep the adjacent vertical plates 1 and support plates 2 perpendicular during the welding process of the vertical plates 1 and support plates 2 of the welded casing.

[0005] To achieve the above purpose, the utility model is realized by the following technical solutions:

[0006] A welded-together housing, comprising: a pair of vertical plates and a pair of support plates. The pair of vertical plates are arranged opposite to each other at intervals. The pair of support plates are arranged opposite to each other at intervals between the pair of vertical plates. The two side ends of the pair of support plates are respectively connected to the inner sides of the corresponding vertical plates. The vertical plates and the support plates are perpendicular to each other. The pair of support plates include: a first support plate and a second support plate. The first support plate and the second support plate are arranged at intervals in the X direction. The second support plate includes: an upper plate, a lower plate, and a connecting plate. The upper plate is vertically arranged at the upper end of the lower plate. The lower plate is arranged offset in the X direction towards the first support plate relative to the upper plate. The connecting plate is arranged between the upper plate and the lower plate, and the connecting plate connects the upper plate and the lower plate. The welded-together housing of the present application is a closed whole formed by assembling a pair of vertical plates and a pair of support plates. The pair of support plates are used for limiting between the pair of vertical plates to restrict the pair of vertical plates from moving towards each other. The lower plate is arranged offset in the X direction towards the first support plate relative to the upper plate. Such a design is to ensure the perpendicularity of adjacent vertical plates and support plates after the welded-together housing is assembled.

[0007] Furthermore, in the welded-together housing of the present application, a set of positioning protrusions protrude from the two side ends of the pair of support plates respectively, and a set of positioning notches adapted to the positioning protrusions are respectively provided at the two side ends of the pair of vertical plates. The set of positioning notches are used to accommodate the set of positioning protrusions. As a preferred solution of the present application, when assembling the positioning protrusions and the positioning notches in the welded-together housing of the present application, the set of positioning protrusions correspond to the set of positioning notches, which are used for positioning when the pair of vertical plates and the pair of support plates are assembled.

[0008] Furthermore, in the welded-together housing of the present application, the bottoms of the pair of support plates are provided with bending parts. The bending parts include: an arc-shaped plate and a side plate. The side plate is arranged at intervals with the support plate in the X direction. The arc-shaped plate is arranged at the bottom of the side plate and the support plate. The two arc-shaped ends of the arc-shaped plate are respectively connected to the bottom of the side plate and the support plate. As a preferred solution of the present application, in the bending part of the welded-together housing of the present application, after the welded-together housing is assembled, it is used to ensure the perpendicularity of adjacent vertical plates and support plates and improve the overall stability of the welded-together housing.

[0009] Furthermore, in the welded-together housing of the present application, the arc-shaped plate is arranged at the bottom of the lower plate and the side plate. The side plate is arranged at intervals outside the lower plate. The two arc-shaped ends of the arc-shaped plate are respectively connected to the bottom of the side plate and the lower plate. The outer side surface of the side plate is coplanar with the outer side surface of the upper plate. As a preferred solution of the present application, in the welded-together housing of the present application, the outer side surface of the side plate is coplanar with the outer side surface of the upper plate, which is convenient for ensuring the perpendicularity of the pair of support plates on the welding table.

[0010] Further, a welded casing in the present application further includes: a U-shaped member. A pair of the vertical plates includes: a first vertical plate and a second vertical plate. The first vertical plate and the second vertical plate are spaced apart in the Y direction. The U-shaped member is installed on the outer side surface of the second vertical plate, and both ends of the U-shaped member extend out of the second vertical plate.

[0011] A welding table for pre-positioning the welded casing before welding, including a base. Positioning and locking components are respectively provided on the base in the X and Y directions. The positioning and locking components include: a positioning frame and a locking component. The positioning frame and the locking component are relatively spaced apart in the X and Y directions on the base respectively. The welded casing is limited between the positioning frame and the locking component. The outer side surfaces of a pair of the vertical plates are respectively abutted against the corresponding positioning frame and locking component in the Y direction. The outer side surfaces of a pair of the support plates are respectively abutted against the corresponding positioning frame and locking component in the X direction. A pair of the locking components are respectively used for locking the corresponding vertical plate and the first support plate in the Y and X directions.

[0012] Based on the above structure, the principle of the welding table is as follows: First, unlock the locking components, place the assembled welded casing on the welding table, limit the positioning frames in the X and Y directions to the outer side surfaces of the corresponding second support plate and vertical plate respectively, and then sequentially close the locking components in the X and Y directions so that they are respectively abutted against the outer side surfaces of the corresponding first support plate and vertical plate in the X and Y directions, completing the pre-positioning and locking of the welded casing before welding.

[0013] Further, a welding table in the present application further includes: a group of limiting protrusions. The group of limiting protrusions is provided on the base, and the group of limiting protrusions is arranged on the same side as the positioning frame in the X direction. As a preferred solution of the present application, the limiting protrusions in a welding table of the present application are abutted against the outer side surface of the bending part at the bottom of the lower plate for limiting the bending part in the X direction.

[0014] Further, a welding table in the present application, the locking assembly includes: a mounting frame, a top rod, a first connecting rod, and a second connecting rod. The mounting frame is mounted on the base. The top rod is slidably mounted on the mounting frame. The first connecting rod is disposed at the upper end of the mounting frame. The first connecting rod is pivotally connected to the top rod and the second connecting rod respectively. The second connecting rod is disposed at the upper end of the mounting frame. The second connecting rod is pivotally connected to the mounting frame. When the locking assembly is in the locked state, the pivot between the top rod and the first connecting rod, the pivot between the first connecting rod and the second connecting rod, and the pivot between the second connecting rod and the mounting frame are collinear and parallel. The locking assemblies in the X and Y directions are respectively used to lock and limit a pair of support plates and a pair of vertical plates on the base. As a preferred solution of the present application, for a welding table in the present application, the locking assemblies in the X and Y directions are respectively used to lock and limit a pair of support plates and a pair of vertical plates on the base. When the locking assembly in the X direction needs to unlock the butt-welded housing, the second connecting rod is toggled. The second connecting rod rotates around the pivot between the second connecting rod and the mounting frame in a direction away from the first support plate. Since the side of the first connecting rod far from the top rod is pivotally connected to the second connecting rod, the pivot between the first connecting rod and the second connecting rod also rotates around the pivot between the second connecting rod and the mounting frame. Since the top rod is slidably mounted on the mounting frame, the pivot between the top rod and the first connecting rod can only move along the extending direction of the top rod. At the same time, the first connecting rod rotates around the pivot between the top rod and the first connecting rod, driving the top rod to move along its extending direction in a direction away from the first support plate. The end of the top rod is separated from the outer side of the first support plate, thereby unlocking the butt-welded housing by the locking assembly in the X direction;

[0015] When the locking assembly in the X direction needs to lock the butt-welded housing, the second connecting rod is toggled. The second connecting rod rotates around the pivot between the second connecting rod and the mounting frame in a direction close to the first support plate. Since the side of the first connecting rod far from the top rod is pivotally connected to the second connecting rod, the pivot between the first connecting rod and the second connecting rod also rotates around the pivot between the second connecting rod and the mounting frame. Since the top rod is slidably mounted on the mounting frame, the pivot between the top rod and the first connecting rod can only move along the extending direction of the top rod. At the same time, the first connecting rod rotates around the pivot between the top rod and the first connecting rod, driving the top rod to move along its extending direction in a direction close to the first support plate. When the pivot between the top rod and the first connecting rod, the pivot between the first connecting rod and 424, and the pivot between the second connecting rod and the mounting frame are collinear and parallel, the end of the top rod abuts against the outer side of the first support plate, and the locking assembly in the X direction completes the locking of the butt-welded housing; Similarly, the locking assembly in the Y direction can also complete the locking and limiting of the vertical plate according to the above steps.

[0016] Furthermore, a soldering table in the present application further includes: a baffle, which is arranged at the end of the ejector rod, and the baffle is detachably connected to the ejector rod. As a preferred solution of the present application, the baffle in a soldering table of the present application is used to protect the outer side of the butt-welded housing, preventing the ejector rod from damaging the outer side of the vertical plate or the support plate during the pressing process.

[0017] It can be seen from the above technical solutions that the present utility model has the following beneficial effects:

[0018] The present utility model provides a soldering table. By respectively providing positioning frames in the X and Y directions in the soldering table, the assembled butt-welded housing is positioned in the X and Y directions, and then the assembled butt-welded housing is locked and positioned in the X and Y directions by the locking components in the X and Y directions respectively, so that adjacent vertical plates and support plates are kept perpendicular. Then, the adjacent vertical plates and support plates are welded to each other in pairs to complete the processing of the required butt-welded housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an exploded view of a butt-welded housing and the corresponding butt-welded housing of the soldering table in an embodiment of the present application;

[0020] Figure 2 It is a three-dimensional structural schematic diagram of a soldering table after placing the butt-welded housing in an embodiment of the present application;

[0021] Figure 3 It is a three-dimensional structural schematic diagram of a soldering table in an embodiment of the present application;

[0022] Figure 4 It is a three-dimensional structural schematic diagram of the positioning and locking component in the locked state in an embodiment of the present application;

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the positioning and locking component in the unlocked state in an embodiment of the present application.

[0024] In the figure: 1 - vertical plate; 10 - positioning notch; 11 - first vertical plate; 12 - second vertical plate; 120 - mounting hole; 2 - support plate; 20 - positioning convex; 21 - first support plate; 22 - second support plate; 221 - upper plate; 222 - lower plate; 223 - connecting plate; 23 - bending part; 231 - arc plate; 232 - side plate; 3 - base; 4 - positioning and locking component; 41 - positioning frame; 42 - locking component; 421 - mounting frame; 422 - ejector rod; 423 - first connecting rod; 424 - second connecting rod; 5 - limiting convex; 6 - baffle; 7 - U-shaped part; 71 - mounting convex. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] A welded assembly housing, comprising: a pair of vertical plates 1 and a pair of support plates 2. The pair of vertical plates 1 are arranged at intervals relative to each other. The pair of support plates 2 are arranged at intervals relative to each other between the pair of vertical plates 1. The two side ends of the pair of support plates 2 are respectively connected to the inner side surfaces of the corresponding vertical plates 1. The vertical plates 1 and the support plates 2 are perpendicular to each other. The pair of support plates 2 include: a first support plate 21 and a second support plate 22. The first support plate 21 and the second support plate 22 are arranged at intervals in the X direction. The second support plate 22 includes: an upper plate 221, a lower plate 222, and a connecting plate 223. The upper plate 221 is vertically arranged at the upper end of the lower plate 222. The lower plate 222 is arranged offset in the X direction relative to the upper plate 221 in the direction close to the first support plate 21. The connecting plate 223 is arranged between the upper plate 221 and the lower plate 222. The connecting plate 223 connects the upper plate 221 and the lower plate 222. A welded assembly housing of the present application is a closed whole formed by assembling a pair of vertical plates 1 and a pair of support plates 2. The pair of support plates 2 are used for limiting between the pair of vertical plates 1 to limit the opposite movement of the pair of vertical plates 1. The lower plate 222 is arranged offset in the X direction relative to the upper plate 221 in the direction close to the first support plate 21. Such a design is to ensure the perpendicularity between adjacent vertical plates 1 and support plates 2 after the welded assembly housing is assembled.

[0026] In this embodiment, a set of positioning protrusions 20 protrude from the two side ends of the pair of support plates 2 respectively. A set of positioning notches 10 adapted to the positioning protrusions 20 are respectively arranged at the two side ends of the pair of vertical plates 1. The set of positioning notches 10 are used to accommodate the set of positioning protrusions 20. When assembling, the set of positioning protrusions 20 and the set of positioning notches 10 correspond to each other and are used for positioning when the pair of vertical plates 1 and the pair of support plates 2 are assembled. 2 or 3 positioning protrusions 20 are respectively arranged at the two side ends of the support plate 2. Correspondingly, 2 or 3 positioning notches 10 for accommodating the positioning protrusions 20 are respectively arranged at the two side ends of the vertical plate 1.

[0027] In this embodiment, a bending portion 23 is arranged at the bottom of the pair of support plates 2. The bending portion 23 includes: an arc plate 231 and a side plate 232. The side plate 232 is arranged at intervals from the support plate 2 in the X direction. The arc plate 231 is arranged at the bottom of the side plate 232 and the support plate 2. The two arc ends of the arc plate 231 are respectively connected to the bottom of the side plate 232 and the support plate 2. After the welded assembly housing is assembled, the bending portion 23 is used to ensure the perpendicularity between adjacent vertical plates 1 and support plates 2 and improve the overall stability of the welded assembly housing. The bending portion 23 extends along the Y direction.

[0028] In this embodiment, the arc-shaped plate 231 is arranged at the bottom of the lower plate 222 and the side plate 232. The side plates 232 are arranged at intervals on the outer side of the lower plate 222. The two arc-shaped ends of the arc-shaped plate 231 are respectively connected to the bottoms of the side plate 232 and the lower plate 222. The outer side surface of the side plate 232 is coplanar with the outer side surface of the upper plate 221. The coplanarity of the outer side surface of the side plate 232 and the outer side surface of the upper plate 221 is conducive to ensuring the perpendicularity of the pair of support plates 2 on the welding table.

[0029] In this embodiment, it further includes: a U-shaped member 7. The pair of vertical plates 1 includes: a first vertical plate 11 and a second vertical plate 12. The first vertical plate 11 and the second vertical plate 12 are arranged at intervals in the Y direction. The U-shaped member 7 is installed on the outer side surface of the second vertical plate 12, and the two end portions of the U-shaped member 7 extend out of the second vertical plate 12. A set of mounting protrusions 71 are provided on the U-shaped member 7, and a set of mounting holes 120 corresponding to the mounting protrusions 71 are provided on the second vertical plate 12. The set of mounting holes 120 are used to accommodate the mounting protrusions 71. The number of the set of mounting protrusions 71 is 3. Correspondingly, the number of the mounting holes 120 is also 3.

[0030] As Figure 2 、 3 shown, a welding table is used for pre-positioning the welded split housing before welding. It includes a base 3. Positioning and locking components 4 are respectively provided on the base 3 in the X and Y directions. The positioning and locking components 4 include: a positioning frame 41 and a locking component 42. The positioning frame 41 and the locking component 42 are respectively arranged at intervals in the X and Y directions on the base 3. The welded split housing is limited between the positioning frame 41 and the locking component 42. The outer side surfaces of the pair of vertical plates 1 are respectively abutted against the corresponding positioning frame 41 and locking component 42 in the Y direction. The outer side surfaces of the pair of support plates 2 are respectively abutted against the corresponding positioning frame 41 and locking component 42 in the X direction. The pair of locking components 42 are respectively used to lock the corresponding vertical plate 1 and the first support plate 21 in the Y and X directions.

[0031] Based on the above structure, the principle of the welding table is as follows: First, unlock the locking component 42, place the assembled welded split housing on the welding table, limit the positioning frames 41 in the X and Y directions to the outer side surfaces of the corresponding second support plate 22 and vertical plate 1 respectively, and then sequentially close the locking components 42 in the X and Y directions so that they are respectively abutted against the outer side surfaces of the corresponding first support plate 21 and vertical plate 1 in the X and Y directions, completing the pre-positioning and locking of the welded split housing before welding.

[0032] In this embodiment, it further includes a set of limiting protrusions 5. A set of the limiting protrusions 5 is arranged on the base 3, and a set of the limiting protrusions 5 is arranged on the same side as the positioning frame 41 in the X direction. The limiting protrusion 5 abuts against the outer side surface of the bending portion 23 at the bottom of the lower plate 222, and is used for limiting the bending portion 23 in the X direction. A set of limiting protrusions 5 includes 2 limiting protrusions 5, and the positioning frame 41 arranged on the same side as the limiting protrusion 5 is arranged between a pair of limiting protrusions 5.

[0033] As Figure 4 , 5 shown, in this embodiment, the locking assembly 42 includes: a mounting bracket 421, a top rod 422, a first connecting rod 423, and a second connecting rod 424. The mounting bracket 421 is mounted on the base 3, the top rod 422 is slidably mounted on the mounting bracket 421, the first connecting rod 423 is arranged at the upper end of the mounting bracket 421, the first connecting rod 423 is pivotally connected to the top rod 422 and the second connecting rod 424 respectively, the second connecting rod 424 is arranged at the upper end of the mounting bracket 421, and the second connecting rod 424 is pivotally connected to the mounting bracket 421. When the locking assembly 42 is in the locked state, the pivot between the top rod 422 and the first connecting rod 423, the pivot between the first connecting rod 423 and the second connecting rod 424, and the pivot between the second connecting rod 424 and the mounting bracket 421 are collinear and parallel. The locking assembly 42 in the X and Y directions is respectively used to lock and limit a pair of support plates 2 and a pair of vertical plates 1 on the base 3. The locking assembly 42 in the X and Y directions is respectively used to lock and limit a pair of support plates 2 and a pair of vertical plates 1 on the base 3. When the locking assembly 42 in the X direction needs to unlock the welded cover, the second connecting rod 424 is toggled, and the second connecting rod 424 rotates away from the first support plate 21 around the pivot between the second connecting rod 424 and the mounting bracket 421. Since the far side of the first connecting rod 423 from the top rod 422 is pivotally connected to the second connecting rod 424, the pivot between the first connecting rod 423 and the second connecting rod 424 is also driven to rotate around the pivot between the second connecting rod 424 and the mounting bracket 421. Since the top rod 422 is slidably mounted on the mounting bracket 421, the pivot between the top rod 422 and the first connecting rod 423 can only move along the extending direction of the top rod 422. At the same time, the first connecting rod 423 rotates around the pivot between the top rod 422 and the first connecting rod 423, driving the top rod 422 to move away from the first support plate 21 along its extending direction. The end of the top rod 422 is separated from the outer side surface of the first support plate 21, thereby unlocking the locking of the welded cover by the locking assembly 42 in the X direction;

[0034] When the locking assembly 42 in the X direction needs to lock the welded cover shell, the second connecting rod 424 is toggled, and the second connecting rod 424 rotates around the pivot between the second connecting rod 424 and the mounting bracket 421 in a direction close to the first support plate 21. Since the first connecting rod 423 is pivotally connected to the second connecting rod 424 on the side far from the push rod 422, the rotating pivot of the first connecting rod 423 and the second connecting rod 424 is also driven to rotate around the pivot between the second connecting rod 424 and the mounting bracket 421. Since the push rod 422 is slidably installed on the mounting bracket 421, the pivot between the push rod 422 and the first connecting rod 423 can only be rotated along the direction in which the push rod 422 extends. When the first link 423 is in the upward direction, the first connecting rod 423 rotates around the pivot between the top rod 422 and the first connecting rod 423, driving the top rod 422 to move along its extension direction toward the first support plate 21. When the pivot between the top rod 422 and the first connecting rod 423, the pivot between the first connecting rod 423 and 424, and the pivot between the second connecting rod 424 and the mounting bracket 421 are in parallel, the end of the top rod 422 contacts the outer side surface of the first support plate 21, and the locking assembly 42 in the X direction completely locks the welded cover shell. Similarly, the locking assembly 42 in the Y direction can also complete the locking and limiting of the vertical plate 1 according to the above steps.

[0035] In this embodiment, the baffle plate 6 is further included, and the baffle plate 6 is arranged at the end of the top rod 422, and the baffle plate 6 is detachably connected to the top rod 422. The baffle plate 6 is used to protect the outer side of the welded cover shell, and prevent the top rod 422 from damaging the outer side of the vertical plate 1 or the support plate 2 during the pressing process. The baffle plate 6 is threadedly connected to the end of the top rod 422.

[0036] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanation here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A welded blank housing, characterized in that: Including: A pair of vertical plates (1) and a pair of support plates (2). The pair of vertical plates (1) are arranged relatively and spaced apart. The pair of support plates (2) are arranged relatively and spaced apart between the pair of vertical plates (1). The two end portions on both sides of the pair of support plates (2) are respectively connected to the inner side surfaces of the corresponding vertical plates (1). The vertical plates (1) and the support plates (2) are perpendicular to each other. The pair of support plates (2) include: a first support plate (21) and a second support plate (22). The first support plate (21) and the second support plate (22) are spaced apart in the X direction. The second support plate (22) includes: an upper plate (221), a lower plate (222), and a connecting plate (223). The upper plate (221) is vertically arranged at the upper end of the lower plate (222). The lower plate (222) is arranged in a displaced manner in the X direction relative to the upper plate (221) towards the direction close to the first support plate (21). The connecting plate (223) is arranged between the upper plate (221) and the lower plate (222), and the connecting plate (223) connects the upper plate (221) and the lower plate (222).

2. The welded cover according to claim 1, wherein: A set of positioning protrusions (20) protrude from the two end portions on both sides of the pair of support plates (2) respectively. A set of positioning notches (10) adapted to the positioning protrusions (20) are respectively provided at the two end portions on both sides of the pair of vertical plates (1). The set of positioning notches (10) are used to accommodate the set of positioning protrusions (20).

3. The welded cover according to claim 1, characterized in that: A bending portion (23) is provided at the bottom of the pair of support plates (2). The bending portion (23) includes: an arc-shaped plate (231) and a side plate (232). The side plate (232) is arranged at an interval from the support plate (2) in the X direction. The arc-shaped plate (231) is arranged at the bottom of the side plate (232) and the support plate (2). The two arc-shaped ends of the arc-shaped plate (231) are respectively connected to the bottom of the side plate (232) and the support plate (2).

4. The welded cover according to claim 3, wherein: The arc-shaped plate (231) is arranged at the bottom of the lower plate (222) and the side plate (232). The side plate (232) is arranged at an interval outside the lower plate (222). The two arc-shaped ends of the arc-shaped plate (231) are respectively connected to the bottom of the side plate (232) and the lower plate (222). The outer side surface of the side plate (232) is coplanar with the outer side surface of the upper plate (221).

5. A welded cover according to claim 1, wherein: Also included is: A U-shaped member (7). The pair of vertical plates (1) include: a first vertical plate (11) and a second vertical plate (12). The first vertical plate (11) and the second vertical plate (12) are spaced apart in the Y direction. The U-shaped member (7) is installed on the outer side surface of the second vertical plate (12), and the two end portions of the U-shaped member (7) extend out of the second vertical plate (12).

6. A welding table for pre-positioning the welded cover shell according to any one of claims 1 to 5 before welding, characterized in that: It includes a base (3), on which positioning and locking components (4) are respectively provided in the X and Y directions. The positioning and locking components (4) include: a positioning frame (41) and a locking component (42). The positioning frame (41) and the locking component (42) are relatively spaced apart in the X and Y directions on the base (3). The welded cover is limited between the positioning frame (41) and the locking component (42). The outer sides of a pair of the vertical plates (1) are respectively abutted against the corresponding positioning frame (41) and locking component (42) in the Y direction. The outer sides of a pair of the support plates (2) are respectively abutted against the corresponding positioning frame (41) and locking component (42) in the X direction. A pair of the locking components (42) are respectively used to lock the corresponding vertical plate (1) and the first support plate (21) in the Y and X directions.

7. A soldering station according to claim 6, characterized in that: It further includes: a group of limit protrusions (5), which are provided on the base (3), and the group of limit protrusions (5) are arranged on the same side as the positioning frame (41) in the X direction.

8. The soldering station according to claim 6, characterized in that: The locking component (42) includes: a mounting frame (421), a top rod (422), a first connecting rod (423), and a second connecting rod (424). The mounting frame (421) is mounted on the base (3). The top rod (422) is slidably mounted on the mounting frame (421). The first connecting rod (423) is arranged at the upper end of the mounting frame (421). The first connecting rod (423) is pivotally connected to the top rod (422) and the second connecting rod (424) respectively. The second connecting rod (424) is arranged at the upper end of the mounting frame (421). The second connecting rod (424) is pivotally connected to the mounting frame (421). When the locking component (42) is in the locked state, the pivot between the top rod (422) and the first connecting rod (423), the pivot between the first connecting rod (423) and the second connecting rod (424), and the pivot between the second connecting rod (424) and the mounting frame (421) are collinear and parallel. The locking components (42) in the X and Y directions are respectively used to lock and limit a pair of support plates (2) and a pair of vertical plates (1) on the base (3).

9. A soldering station according to claim 6, characterized in that: It further includes: a baffle (6), which is arranged at the end of the top rod (422), and the baffle (6) is detachably connected to the top rod (422).

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