Box body integrated welding inner supporting device and welding method

Abstract

The invention belongs to the field of welding forming, and particularly discloses a box body integrated welding inner supporting device and a welding method.The box body integrated welding inner supporting device comprises first inner supporting units and screw rods connected with the first inner supporting units; the first inner supporting unit comprises a first connecting block, a second connecting block and four first connecting rod assemblies, the first connecting block and the second connecting block are oppositely arranged in the axial direction, the four first connecting rod assemblies are sequentially arranged in the circumferential direction at intervals of 90 degrees, the first connecting block is in threaded connection with the screw, and the second connecting block is in sliding connection with the screw. Each first connecting rod assembly comprises a first supporting block and two first supporting rods hinged to the first supporting block, and the first supporting blocks are used for abutting against the inner corners of the box body. The other ends of the two first supporting rods are hinged to the first connecting block and the second connecting block correspondingly so that the height of the first supporting block can be adjusted according to the distance between the first connecting block and the second connecting block. The assembling process can be simplified, the box body assembling structure can be compatible with various types of box bodies and adapt to manufacturing errors of the box bodies, and high economical efficiency is achieved.

Description

Technical Field

[0001] The present application belongs to the field of welding forming, and more specifically, relates to a box-body integrated welding inner support device and a welding method. Background Art

[0002] When welding a slender box, an internal support device is usually required to support the inside in order to control deformation. However, the internal support device in the prior art is usually only applicable to the welding of a box of a single size, has poor flexibility, and seriously increases the production cost. In addition, for a slender box with a guide rail inside, the internal support device in the prior art usually cannot realize the guide rail positioning function, which seriously affects the welding efficiency and welding accuracy. Summary of the invention

[0003] In view of the defects of the prior art, the present application provides a box-integrated welded internal support device and method, aiming to solve the problem of poor flexibility of the existing internal support device.

[0004] According to one aspect of the present application, there is provided an integrated welded inner support device for a box, specifically comprising a preset number of first inner support units and screws connecting each of the first inner support units, wherein: the first inner support unit comprises a first connecting block and a second connecting block arranged opposite to each other in the axial direction and four groups of first connecting rod assemblies arranged in sequence at 90 degrees in the circumferential direction, the first connecting block is connected to the screw by a thread, the second connecting block is slidingly connected to the screw, and the distance between the first connecting block and the second connecting block can be adjusted by rotating the screw; each group of the first connecting rod assemblies comprises a first support block and two first support rods respectively hinged to the first support blocks, the first support block is used to abut the inner corner of the box to support the box; the other ends of the two first support rods are respectively hinged to the first connecting block and the second connecting block to adjust the height of the first support block according to the distance between the first connecting block and the second connecting block.

[0005] Through the above technical scheme conceived by the present application, compared with the prior art, since the structure of the first inner support unit of the present application is optimized, the size of the first inner support unit can be adjusted by rotating the screw, which has good flexibility and can adapt to box welding of various sizes.

[0006] As a further preference, the integrated welded inner support device further comprises a preset number of cylindrical support units connected to the screw rods, wherein the cylindrical support units are used to abut against the guide rails in the box body to support and limit the guide rails.

[0007] As a further preferred embodiment, the integrated welded internal support device also includes a second internal support unit, the second internal support unit includes a first connecting block and a second connecting block arranged opposite to each other in the axial direction, four groups of first connecting rod assemblies arranged in sequence at 90 degrees in the circumferential direction, and two groups of second connecting rod assemblies arranged vertically up and down, the first connecting block is connected to the screw by a thread, and the second connecting block is slidably connected to the screw; each group of the first connecting rod assemblies includes a first support block and two first support rods respectively hinged to the first support blocks, the first support block is used to abut the inner corner of the box body to support the box body; the other ends of the two first support rods are respectively hinged to the first connecting block and the second connecting block; each group of the second connecting rod assemblies includes a second support block and two second support rods respectively hinged to the second support block, the second support block is used to abut the guide rail to support and limit the guide rail; the other ends of the two second support rods are respectively hinged to the first connecting block and the second connecting block.

[0008] As a further preference, the integrated welded inner support device is provided with a cylindrical support unit, a first inner support unit or a second inner support unit at intervals of 2m to 3m.

[0009] As a further preferred embodiment, elastic pads are arranged on the outer sides of the first support block and the second support block to increase the friction between the first support block or the second support block and the box body.

[0010] As further preferred, the cylinder support unit comprises a cylinder and an insert, the size of the cylinder is consistent with the size of the object transported by the box guide rail, and the insert is movably connected to the cylinder for adjusting the size of the cylinder support unit.

[0011] As further preferred, the cylinder support unit further includes a plurality of reinforcing ribs, each of which is arranged on the inner wall or the outer wall of the cylinder to improve the strength of the cylinder.

[0012] According to another aspect of the present application, a method for welding using the above-mentioned box-body integrated welding inner support device is provided, which specifically includes the following steps:

[0013] S1 assembles a bottom profile assembly, a left profile assembly, a right profile assembly and a top profile assembly to obtain a box body;

[0014] S2 extends the integrated welded inner support device into the box;

[0015] S3: rotating the screw rod to adjust the size of the first inner support unit so that the first support block contacts the inner corner of the box body;

[0016] S4: Clamp the box body in the welding device, and fine-tune the screw rod so that the first support block abuts against the inner corner of the box body;

[0017] S5 uses welding equipment to weld the box.

[0018] As further preferred, when the bottom profile assembly and the top profile assembly have guide rails arranged opposite to each other, in step S2, the cylinder support unit and / or the second inner support unit are placed on the portion with the guide rails.

[0019] In general, the above technical solutions conceived by this application have the following technical advantages compared with the prior art:

[0020] 1. The present application provides a plurality of first inner support units on the screw rod, so as to provide limited support for different positions of the slender box body, thereby reducing the deformation of the slender box body during welding. Meanwhile, the structure of the first inner support unit is optimized, and the size of the first inner support unit can be adjusted by rotating the screw rod, so that the first inner support unit has a certain adjustment amount, which not only simplifies the assembly process, but also is compatible with various types of boxes and adapts to the manufacturing errors of the boxes, and has high economic efficiency.

[0021] 2. In particular, the present application can realize the guide rail positioning function by setting a cylindrical support structure or a second inner support unit, which is suitable for welding of slender boxes with guide rails inside, and solves the problem that the existing support device cannot perform guide rail positioning, resulting in large welding errors;

[0022] 3. In addition, the present application also optimizes the structure of the cylinder support unit, connecting the insert to the cylinder through screws, so that the size and supporting force of the cylinder support unit can be adjusted by adjusting the tightness of the screws, so that the integrated welded internal support device has better adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure and a partial enlarged diagram of the box-body integrated welded inner support device provided in an embodiment of the present application;

[0024] Figure 2 It is a structural schematic diagram of the first inner support unit in the box-body integrated welded inner support device provided in an embodiment of the present application;

[0025] Figure 3 It is a structural schematic diagram of a cylindrical support unit in a box-body integrated welded inner support device provided in an embodiment of the present application;

[0026] Figure 4 It is a structural schematic diagram of the second inner support unit in the box-body integrated welded inner support device provided in an embodiment of the present application;

[0027] Figure 5 It is a support schematic diagram of the first inner support unit in the box-body integrated welded inner support device provided in an embodiment of the present application;

[0028] Figure 6 It is a structural schematic diagram of a box provided in an embodiment of the present application;

[0029] Figure 7 It is a welding schematic diagram of the integrated welded inner support device of the box provided in an embodiment of the present application, wherein (a) is an installation schematic diagram of the first inner support unit and the second inner support unit, (b) is an installation schematic diagram of the cylindrical support unit, and (c) is an installation schematic diagram of the first inner support unit.

[0030] Throughout the drawings, the same reference numerals are used to denote the same elements or structures, wherein:

[0031] 1-cylinder support unit, 11-cylinder, 12-insert, 13-reinforcement rib, 2-first inner support unit, 21-first connecting block, 22-second connecting block, 23-first connecting rod assembly, 231-first support block, 232-first support rod, 3-second inner support unit, 31-second connecting rod assembly, 311-second support block, 312-second support rod, 4-screw, 5-left profile assembly, 6-right profile assembly, 7-top profile assembly, 71-weld reverse forming groove, 72-welding pad, 73-welding groove, 74-welding gun clearance groove, 8-bottom profile assembly, 81-guide rail, 9-reinforcement ring, 10-elastic pad. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0033] like Figures 1 to 5As shown, the present application provides an integrated welding inner support device for a box body, which is used as an inner support structure when welding a slender box body, and specifically includes a preset number of first inner support units 2 and a screw 4 connecting each first inner support unit 2, wherein: the first inner support unit 2 includes a first connecting block 21 and a second connecting block 22 arranged opposite to each other in the axial direction, and also includes four groups of first connecting rod assemblies 23 arranged in sequence at 90 degrees in the circumferential direction, the first connecting block 21 is connected to the screw 4 by threads, and the second connecting block 22 is slidably connected to the screw 4, preferably, the outer surface of the position where the screw 4 is connected to the second connecting block 22 is smooth and no threads are set, and the second connecting block 22 is connected to the screw 4 by a bearing, so that when the screw 4 rotates, the second connecting block 22 can remain relatively still with the screw 4, and keep the screw 4 during operation. 4 remains unchanged in its axial position, and the first connecting block 21 is moved forward and backward relative to the screw rod 4 by rotating the screw rod 4, while the second connecting block 22 and the screw rod 4 remain relatively stationary, so that the spacing between the first connecting block 21 and the second connecting block 22 can be adjusted; each group of first connecting rod assemblies 23 includes a first supporting block 231 and two first supporting rods 232 respectively hinged to the first supporting blocks 231, and the first supporting blocks 231 are used to abut against the inner corners of the box to support the box; the other ends of the two first supporting rods 232 are respectively hinged to the first connecting block 21 and the second connecting block 22, so as to adjust the height of the first supporting block 231 according to the spacing between the first connecting block 21 and the second connecting block 22, so as to adapt to the welding of boxes of various sizes, and can adapt to the manufacturing error of the box by fine-tuning the size, and has high economy. At the same time, compared with the single support device in the prior art, the present application can ensure dimensional consistency within a longer range by arranging multiple first inner support units 2 on the screw rod, and the size can be adjusted by simply rotating the screw rod 4. It is particularly suitable for welding of slender boxes and has the advantages of simple assembly and convenient adjustment.

[0034] Furthermore, for a box body with a guide rail 81 disposed inside, the internal support devices in the prior art are unable to achieve guide rail positioning, which results in the subsequent guide rail being unable to be used normally. The box body integrated welded internal support device provided in the present application also includes a preset number of cylindrical support units 1 and / or second internal support units 3 connected to the screw 4, both of which can achieve guide rail positioning and can be set according to the box body structure in actual applications.

[0035] The cylinder support unit 1 is used to be placed between the upper and lower guide rails 81 and abut against the guide rails 81 to support and limit the guide rails 81. The cylinder support unit 1 includes a cylinder 11 and an insert 12. The size of the cylinder 11 is consistent with the size of the object being transported by the box guide rails, so that the guide rails are positioned as a contour of the transported object. The insert 12 is movably connected to the cylinder 11, preferably using screws to adjust the size and supporting force of the cylinder support unit 1. The cylinder support unit 1 may also include a plurality of reinforcing ribs 13, each of which is arranged on the inner wall or outer wall of the cylinder 11 to increase the strength of the cylinder 11.

[0036] The second inner support unit 3 includes a first connecting block 21 and a second connecting block 22 which are arranged opposite to each other, four groups of first connecting rod assemblies 23 which are arranged at 90 degrees in sequence along the circumferential direction, and two groups of second connecting rod assemblies 31 which are arranged vertically up and down, the first connecting block 21 is connected to the screw rod 4 by threads, and the second connecting block 22 is connected to the screw rod in a sliding manner; each group of first connecting rod assemblies 23 includes a first support block 231 and two first support rods 232 which are respectively hinged to the first support block 231, the first support block 231 is used to abut against the inner corner of the box body to support the box body; the other ends of the two first support rods 232 are respectively hinged to the first connecting block 21 and the second connecting block 22; each group of second connecting rod assemblies 31 includes a second support block 311 and two second support rods 312 which are respectively hinged to the second support block 311, the second support block 311 is used to abut against the guide rail 81 to support and limit the guide rail 81; the other ends of the two second support rods 312 are respectively hinged to the first connecting block 21 and the second connecting block 22.

[0037] Considering that the cylindrical support unit 1 is completely consistent with the shape and size of the transported object, the positioning of the guide rail is more accurate, so the cylindrical support unit 1 is preferably arranged at both ends of the guide rail 81. However, too many cylindrical support units 1 will lead to insufficient support of the box body, especially for a slender box body, which is easy to cause the deformation of the box body to increase. The second inner support unit 3 can not only realize the positioning of the guide rail, but also support the box body. Therefore, multiple second inner support units 3 can be arranged between two cylindrical support units 1.

[0038] Furthermore, the integrated welded inner support device is provided with a cylindrical support unit 1, a first inner support unit 2 or a second inner support unit 3 at intervals of 2m to 3m, thereby obtaining a better support effect while ensuring economy.

[0039] Furthermore, elastic pads 10 are provided on the outer sides of the first support block 231 and the second support block 311 to increase the friction between the first support block 231 or the second support block 311 and the box body to prevent the first support block 231 or the second support block 311 and the box body from sliding relative to each other.

[0040] According to another aspect of the present application, Figure 6 , 7 As shown, a method for welding using the above-mentioned box-body integrated welding inner support device is provided, which specifically includes the following steps:

[0041] S1: Assemble the bottom profile component 8, the left profile component 5, the right profile component 6 and the top profile component 7 to obtain a box body, wherein the left and right ends of the bottom profile component 8 and the top profile component 7 are provided with welding pads 72 for placing the welding pads 72 of the left profile component 5 or the right profile component 6, a welding groove 73 is formed between the two welding pads 72, and a weld reverse side forming groove 71 is formed below the welding pad 72, and a welding gun clearance groove 74 is formed above the welding pad 72;

[0042] S2 extends the integrated welded inner support device into the box;

[0043] S3: Rotate the screw rod 4 to adjust the size of the first inner support unit 2 so that the first support block 231 contacts the inner corner of the box;

[0044] S4: Clamp the box body in the clamping device of the welding equipment, and fine-tune the screw rod 4 so that the first support block 231 abuts against the inner corner of the box body;

[0045] S5 adopts the clamping scheme of "inner support and outer pressure", uses welding equipment to weld the box body, and finally sets a reinforcement ring 9 on the outside of the box body.

[0046] Further, when the bottom profile assembly 8 and the top profile assembly 7 have guide rails 81 disposed opposite to each other, in step S2 , the cylinder support unit 1 or the second inner support unit 3 is placed on the portion with the guide rails 81 .

[0047] In the description of the present application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the feature. In the description of the present application, "plurality" means two or more, unless otherwise clearly and specifically defined.

[0048] In addition, references throughout this specification to "one embodiment"; "one embodiment", "an example" or similar language indicate that a particular feature, structure, or characteristic described in conjunction with the embodiment is included in at least one embodiment of the present application. Thus, appearances of the phrase "in one embodiment"; "in one embodiment" and similar language throughout this specification may, but do not necessarily, all refer to the same embodiment.

[0049] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A box-body integrated welding inner support device, characterized in that: The integrated welded inner support device comprises a preset number of first inner support units (2) and screw rods (4) connecting the first inner support units (2), wherein: the first inner support unit (2) comprises a first connecting block (21) and a second connecting block (22) arranged opposite to each other in the axial direction, and four groups of first connecting rod assemblies (23) arranged in sequence at intervals of 90 degrees in the circumferential direction, the first connecting block (21) is connected to the screw rod (4) by threads, the second connecting block (22) is connected to the screw rod (4) by sliding, and the first connecting block (21) can be adjusted by rotating the screw rod (4). (21) and the second connecting block (22); each group of the first connecting rod assembly (23) comprises a first supporting block (231) and two first supporting rods (232) respectively hinged to the first supporting block (231), the first supporting block (231) being used to abut against the inner corner of the box body to support the box body; the other ends of the two first supporting rods (232) are respectively hinged to the first connecting block (21) and the second connecting block (22) to adjust the height of the first supporting block (231) according to the distance between the first connecting block (21) and the second connecting block (22).

2. The box-body integrated welding inner support device according to claim 1, characterized in that: The integrated welded inner support device further comprises a preset number of cylindrical support units (1) connected to the screw rods (4), wherein the cylindrical support units (1) are used to abut against the guide rails (81) in the box body to support and limit the guide rails (81).

3. The box-body integrated welding inner support device according to claim 2, characterized in that: The integrated welded inner support device further comprises a second inner support unit (3), the second inner support unit (3) comprising a first connecting block (21) and a second connecting block (22) arranged axially opposite to each other, four groups of first connecting rod assemblies (23) arranged circumferentially at intervals of 90 degrees, and two groups of second connecting rod assemblies (31) arranged vertically up and down, the first connecting block (21) being connected to the screw rod (4) by threads, and the second connecting block (22) being connected to the screw rod (4) by sliding; each group of the first connecting rod assemblies (23) comprises a first support block (231) and two first support rods (231) respectively hinged to the first support block (231). 32), the first support block (231) is used to abut against the inner corner of the box body to support the box body; the other ends of the two first support rods (232) are respectively hinged to the first connecting block (21) and the second connecting block (22); each group of the second connecting rod assemblies (31) includes a second support block (311) and two second support rods (312) respectively hinged to the second support blocks (311), the second support block (311) is used to abut against the guide rail (81) to support and limit the guide rail (81); the other ends of the two second support rods (312) are respectively hinged to the first connecting block (21) and the second connecting block (22).

4. The box-body integrated welding inner support device according to claim 3, characterized in that: The integrated welded inner support device is provided with a cylindrical support unit (1), a first inner support unit (2) or a second inner support unit (3) at intervals of 2m to 3m.

5. The box-body integrated welding inner support device according to claim 3, characterized in that: Elastic pads (10) are provided on the outer sides of the first supporting block (231) and the second supporting block (311) to increase the friction force with the box body.

6. The box-body integrated welding inner support device according to claim 2, characterized in that: The cylinder support unit (1) comprises a cylinder (11) and an insert (12); the size of the cylinder (11) is consistent with the size of an object transported by the box guide rail; the insert (12) is movably connected to the cylinder (11) and is used to adjust the size of the cylinder support unit (1).

7. The box-body integrated welding inner support device according to claim 6, characterized in that: The cylinder support unit (1) further comprises a plurality of reinforcing ribs (13), each of the reinforcing ribs (13) being arranged on the inner wall or the outer wall of the cylinder (11) for improving the strength of the cylinder (11).

8. A method for welding using the box-body integrated welding inner support device according to any one of claims 1 to 7, comprising the following steps: S1 assembling the bottom profile component (8), the left profile component (5), the right profile component (6) and the top profile component (7) to obtain a box body to be welded; S2 extends the integrated welded inner support device into the box; S3: rotating the screw rod (4) to adjust the size of the first inner support unit (2) so that the first support block (231) contacts the inner corner of the box; S4: clamping the box body in the welding equipment, and fine-adjusting the screw rod (4) so ​​that the first support block (231) abuts against the inner corner of the box body; S5 uses welding equipment to weld the box.

9. The welding method according to claim 8, characterized in that: When the bottom profile component (8) and the top profile component (7) have guide rails (81) arranged opposite to each other, in step S2, the cylindrical support unit (1) and / or the second inner support unit (3) are placed on the portion having the guide rails (81).

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