Low-cost efficient welding platform for plates

Abstract

The utility model discloses a low-cost efficient welding platform for plates, and relates to the technical field of plate welding. The automatic welding device comprises a machine table, a welding gun and an argon protection tube, a gun body driving device is arranged at the top of the machine table and is a three-axis driving frame or a multi-axis mechanical arm, the welding gun is fixed on the gun body driving device, a lower die is fixed at the top of the machine table, and lifting cylinders are arranged on opposite sides of the machine table. An upper die matched with the lower die is fixed between the output ends of the lifting air cylinders on the two sides of the machine table, a sheet bar is arranged between the upper die and the lower die, and the welding track of the sheet bar is arranged on the outer side between the upper die and the lower die. Through the arrangement of the argon protection pipe, protection can be carried out on the back face of a plate welding point, meanwhile, argon sprayed out of the laser cutting gun is matched, double-face protection can be carried out on a plate welding seam, double-face forming can be achieved through one-time welding, welding seam oxidation can be prevented, and the welding seam quality, the welding strength and the welding quality are effectively guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of plate welding, and particularly relates to a low-cost and high-efficiency welding platform for plates. Background Art

[0002] In the field of fully welded and semi-welded plate heat exchangers, it is necessary to pre-weld two stainless steel plates into a plate group according to the prescribed welding path.

[0003] The conventional welding method is medium frequency roll welding. Since gas protection cannot be added, it is easy to cause the plate surface to become black and deformed, leading to welding failure, especially for the back part of the plate. At the same time, when there is an interface on the side of the plate, it is impossible to accurately control the area to be processed, resulting in the interface being flattened and damaging the plate group.

[0004] Therefore, designing a welding platform with better weld quality, better welding strength and higher welding efficiency is a problem that needs to be solved by workers in this field. Utility Model Content

[0005] The purpose of the utility model is to provide a low-cost and efficient welding platform for plates. By setting an argon protection tube, the back of the plate welding point can be protected. At the same time, with the argon gas sprayed from the laser cutting gun, the plate weld can be protected on both sides, and double-sided forming can be achieved by welding at one time. The weld can also be prevented from oxidation, effectively ensuring the weld quality, welding strength and welding quality.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a low-cost and high-efficiency welding platform for plates, comprising a machine platform, a welding gun and an argon gas protection tube;

[0008] A gun body driving device is provided on the top of the machine platform, and the gun body driving device is a three-axis driving frame or a multi-axis mechanical arm, and the welding gun is fixed on the gun body driving device;

[0009] A lower mold is fixed on the top of the machine, and a lifting cylinder is provided on one opposite side of the machine. An upper mold matching with the lower mold is fixed between the output ends of the lifting cylinders on both sides of the machine;

[0010] A plate is provided between the upper mold and the lower mold, and a welding track of the plate is provided outside between the upper mold and the lower mold;

[0011] The argon protection tube is fixed on the top surface of the machine platform along the welding track of the plate, the top surface of the argon protection tube is in contact with the bottom surface of the plate, and the top surface of the argon protection tube is provided with a notch corresponding to the position of the welding track.

[0012] Furthermore, the upper mold includes a mold base body, outer support plates are provided in parallel on both sides of the mold base body, a number of transverse cylinders are linearly fixed on the outer support plates, the output ends of the transverse cylinders are provided with end rods, the output ends of the lifting cylinders are fixed to the bottom surface of the outer support plates, guide sleeves facing the outer support plates are fixed at the edges of both sides of the mold base body, and the end rod gaps are set in the guide sleeves.

[0013] Furthermore, a groove is formed between the outer support plate and the mold base body, and the groove is located directly above the welding tracks on both sides of the plate.

[0014] Furthermore, the end rod is provided with a necked end away from the output end of the transverse cylinder, the end of the guide sleeve away from the outer support plate is a head end, and the necked end is fitted with the head end.

[0015] Furthermore, when the gun body driving device is a three-axis driving frame, the three-axis driving frame includes two X-axis slides, a Y-axis slide and a lifting platform, the two X-axis slides are respectively fixed on both sides of the top of the machine platform, a vertical frame is fixed on the sliding end of the X-axis slide, the Y-axis slide is connected between the two vertical frames, the lifting platform is connected to the sliding end of the Y-axis slide, and the welding gun is fixed on the output end of the lifting platform.

[0016] Furthermore, when the gun body driving device is a multi-axis robotic arm, a mounting platform is provided on the outside of the machine platform, the multi-axis robotic arm is fixed on the top of the mounting platform, and the welding gun is fixed on the output end of the multi-axis robotic arm.

[0017] Furthermore, it also includes a control device, which includes a processor and a plurality of control units. The gun body drive device, the welding gun, four lifting cylinders and a plurality of transverse cylinders are electrically connected to the processor respectively.

[0018] The utility model has the following beneficial effects:

[0019] 1. The utility model can protect the back of the plate welding point by setting the argon protection tube. At the same time, with the argon gas sprayed from the laser cutting gun, the plate weld can be protected on both sides, and double-sided forming can be achieved by welding at one time, and oxidation of the weld can be prevented, effectively ensuring the weld quality, welding strength and welding quality.

[0020] 2. The gun body driving device designed in the utility model is used for multi-directional driving of the cutting gun. It does not require manual hand-held welding machine and can automatically weld, thereby improving welding efficiency. At the same time, it can cope with complex paths of plates through programming, realize continuous automatic welding of complex graphics, improve efficiency and reduce labor costs.

[0021] 3. The utility model can stably clamp and position the plate through the cooperation of the lower mold and the upper mold, ensure the position stability of the plate during welding, and ensure the welding effect. At the same time, the design of the upper mold and the lower mold does not affect the normal use of the welding gun.

[0022] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 This is a structural schematic diagram of a low-cost and high-efficiency welding platform for plates of the utility model;

[0025] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0026] Figure 3 It is a structural schematic diagram of the connection between the mold base body and the outer support plate of the utility model;

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1-machine table, 2-welding gun, 3-argon protection tube, 4-three-axis drive frame, 5-lower mold, 6-lifting cylinder, 7-upper mold, 8-plate, 301-slot, 401-X-axis slide, 402-Y-axis slide, 403-lifting platform, 404-vertical frame, 701-mold base body, 702-outer support plate, 703-horizontal cylinder, 704-end rod, 705-guide sleeve, 706-groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-3 As shown, the utility model is a low-cost and high-efficiency plate welding platform, comprising a machine platform 1, a welding gun 2 and an argon protection tube 3;

[0031] A gun body driving device is provided on the top of the machine platform 1, and the gun body driving device is a three-axis driving frame 4 or a multi-axis mechanical arm, and the welding gun 2 is fixed on the gun body driving device;

[0032] A lower mold 5 is fixed on the top of the machine 1, and a lifting cylinder 6 is provided on one opposite side of the machine 1. An upper mold 7 matching with the lower mold 5 is fixed between the output ends of the lifting cylinders 6 on both sides of the machine 1;

[0033] A plate 8 is provided between the upper mold 7 and the lower mold 5, and a welding track of the plate 8 is provided outside between the upper mold 7 and the lower mold 5;

[0034] The argon protection tube 3 is fixed on the top surface of the machine 1 along the welding track of the plate 8. The top surface of the argon protection tube 3 fits the bottom surface of the plate 8. The top surface of the argon protection tube 3 is provided with a notch 301 corresponding to the welding track.

[0035] Among them Figure 3 As shown, the upper mold 7 includes a mold base body 701, outer support plates 702 are provided in parallel on both sides of the mold base body 701, a number of transverse cylinders 703 are linearly fixed on the outer support plates 702, and end rods 704 are provided at the output ends of the transverse cylinders 703. The output ends of the lifting cylinders 6 are fixed to the bottom surface of the outer support plates 702, and guide sleeves 705 facing the outer support plates 702 are fixed at the edges of both sides of the mold base body 701, and the end rods 704 are gap-arranged in the guide sleeves 705.

[0036] Among them Figure 3 As shown, a groove 706 is formed between the outer support plate 702 and the mold base body 701 , and the groove 706 is located directly above the welding tracks on both sides of the plate 8 .

[0037] Among them Figure 3 As shown, the end rod 704 is provided with a shrinking end away from the output end of the transverse cylinder 703, and the end of the guide sleeve 705 away from the outer support plate 702 is a head end, and the shrinking end is in contact with the head end.

[0038] Among them Figure 1 As shown, when the gun body driving device is a three-axis driving frame 4, the three-axis driving frame 4 includes two X-axis slides 401, a Y-axis slide 402 and a lifting platform 403. The two X-axis slides 401 are respectively fixed on both sides of the top of the machine platform 1, a vertical frame 404 is fixed on the sliding end of the X-axis slide 401, the Y-axis slide 402 is connected between the two vertical frames 404, the lifting platform 403 is connected to the sliding end of the Y-axis slide 402, and the welding gun 2 is fixed on the output end of the lifting platform 403.

[0039] When the gun driving device is a multi-axis robot arm, a mounting platform is provided outside the machine platform 1, the multi-axis robot arm is fixed on the top of the mounting platform, and the welding gun 2 is fixed on the output end of the multi-axis robot arm.

[0040] It also includes a control device, which includes a processor and a plurality of control units. The gun body drive device, the welding gun 2, the four lifting cylinders 6 and the plurality of transverse cylinders 703 are electrically connected to the processor respectively.

[0041] The argon protection tube 3 may be divided into multiple sections for easy argon filling, or partitions may be arranged in the argon protection tube 3 to form multiple air cavities for easy argon flushing and gas exchange.

[0042] The working principle of the utility model is as follows: a plate 8 is placed on the upper surface of the lower mold 5, and the upper mold 7 is driven by the lifting cylinder 6 to press the plate 8. At this time, the upper surface of the argon protection tube 3 is close to the lower surface of the upper mold 7, and argon is supplied to the argon protection tube 3. The original gas in the argon protection tube 3 is discharged from the gap at the connection between the plate 8 and the argon protection tube 3, and gas replacement can be performed. The welding gun 2 is driven by the gun body driving device to run along the welding track of the plate 8, so as to weld and connect the plate 8. Before the welding gun 2 passes through the end rod 704 on the horizontal cylinder 703, the end rod 704 is first stored to ensure that the groove 706 through which the welding gun 2 passes is unobstructed.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A low-cost and high-efficiency plate welding platform, comprising a machine platform (1) and a welding gun (2), characterized in that: Also includes an argon protection tube (3); A gun body driving device is provided on the top of the machine platform (1), the gun body driving device is a three-axis driving frame (4) or a multi-axis mechanical arm, and the welding gun (2) is fixed on the gun body driving device; A lower mold (5) is fixed on the top of the machine platform (1), and a lifting cylinder (6) is provided on one opposite side of the machine platform (1). An upper mold (7) matching with the lower mold (5) is fixed between the output ends of the lifting cylinders (6) on both sides of the machine platform (1); A plate (8) is provided between the upper mold (7) and the lower mold (5), and a welding track of the plate (8) is provided on the outer side between the upper mold (7) and the lower mold (5); The argon protection tube (3) is fixed to the top surface of the machine platform (1) along the welding track of the plate (8), the top surface of the argon protection tube (3) is in contact with the bottom surface of the plate (8), and the top surface of the argon protection tube (3) is provided with a notch (301) corresponding to the position of the welding track.

2. A low-cost and high-efficiency plate welding platform according to claim 1, characterized in that: The upper mold (7) comprises a mold base body (701), outer support plates (702) are arranged in parallel on both sides of the mold base body (701), a plurality of transverse cylinders (703) are linearly fixed on the outer support plates (702), the output ends of the transverse cylinders (703) are provided with end rods (704), the output ends of the lifting cylinders (6) are fixed to the bottom surface of the outer support plates (702), guide sleeves (705) facing the outer support plates (702) are fixed at the edges of both sides of the mold base body (701), and the end rods (704) are arranged in the guide sleeves (705) with gaps.

3. A low-cost and high-efficiency plate welding platform according to claim 2, characterized in that: A groove (706) is formed between the outer support plate (702) and the mold base body (701), and the groove (706) is located directly above the welding tracks on both sides of the plate (8).

4. A low-cost and high-efficiency plate welding platform according to claim 2, characterized in that: The end rod (704) is provided with a constricted end away from the output end of the transverse cylinder (703), and the end of the guide sleeve (705) away from the outer support plate (702) is a sealed end, and the constricted end is fitted with the sealed end.

5. A low-cost and high-efficiency plate welding platform according to claim 1, characterized in that: When the gun body driving device is a three-axis driving frame (4), the three-axis driving frame (4) includes two X-axis slides (401), a Y-axis slide (402) and a lifting platform (403), the two X-axis slides (401) are respectively fixed on both sides of the top of the machine platform (1), a vertical frame (404) is fixed on the sliding end of the X-axis slide (401), the Y-axis slide (402) is connected between the two vertical frames (404), the lifting platform (403) is connected to the sliding end of the Y-axis slide (402), and the welding gun (2) is fixed on the output end of the lifting platform (403).

6. A low-cost and high-efficiency plate welding platform according to claim 1, characterized in that: When the gun body driving device is a multi-axis mechanical arm, a mounting platform is provided outside the machine platform (1), the multi-axis mechanical arm is fixed on the top of the mounting platform, and the welding gun (2) is fixed on the output end of the multi-axis mechanical arm.

7. A low-cost and high-efficiency plate welding platform according to claim 2, characterized in that: It also includes a control device, which includes a processor and a plurality of control units, and the gun body drive device, the welding gun (2), the four lifting cylinders (6) and the plurality of transverse cylinders (703) are electrically connected to the processor respectively.

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