Metal block electrode circumferential welding auxiliary device

Abstract

The utility model discloses a metal block electrode circumferential welding auxiliary device which comprises an operation table where a plurality of block electrodes are sequentially placed, and pressing plates making contact with the block electrodes on the outer side are arranged on the two sides of the operation table. The operation table is of an adjusting structure capable of being separated from the block electrode, and a bearing mechanism for supporting the block electrode to rotate is arranged on the operation table. According to the circumferential welding auxiliary device, through the adjusting structure, after the operation table is separated from the preliminarily-welded block electrode, the block electrode can be overturned in a hoisting and rotating mode, the overturned block electrode is placed on the operation table again, and complete welding operation of a bottom face seam is carried out. Furthermore, the titanium electrode is always supported by the block electrode in the overall overturning process through the bearing structure, so that the problem that the block electrode is broken due to the fact that the pressure of the pressing plate is too large is solved, and safe and rapid welding connection operation of the block electrode is facilitated on the whole.

Description

Technical Field

[0001] This application relates to the technical field of metal block electrode welding, and in particular to a circumferential welding auxiliary device for metal block electrodes. Background Art

[0002] Due to its unique physical and chemical properties, titanium metal has a wide range of applications in many fields. For example, titanium has excellent strength and lightweight characteristics and is widely used in the manufacturing of the aerospace field, such as manufacturing airplanes, rockets, etc. Specifically, in rockets, missiles, and the aerospace industry, it can be used as pressure vessels, fuel storage tanks, rocket engine casings, etc. Titanium has good biocompatibility and corrosion resistance and can be used in the manufacturing of medical devices such as artificial joints, artificial bones, dental implants, etc. Titanium is also used in fields such as electric power, ships, and ocean engineering. Zirconium metal also has a wide range of applications in many fields, including the nuclear industry, aerospace, chemical industry, military industry, ceramics, refractory materials, etc.

[0003] Currently, the processing processes of titanium and zirconium are relatively similar. For example, metal raw materials are mechanically extruded into blocks, as shown in the attached instructions. Figure 1 Then, several blocks are welded and connected into a columnar shape, and then the columnar welding material is formed into an ingot shape through an electrofusion method. The ingot-shaped product is then machined into the final product through mechanical processing.

[0004] Currently, during the process of extruding raw materials into block electrodes for welding and connecting, as Figures 2-3 shown, multiple block electrodes are placed in sequence, and then the circumferential seams of adjacent block electrodes are welded into an integral columnar structure for convenient overall electrofusion. During the welding process, due to the relatively large surface roughness of the extruded block electrodes, adjacent block electrodes cannot be in precise contact, forming a contact gap. This gap will affect the tightness of the welding. Therefore, as Figure 4 shown, there is currently a welding auxiliary device, including an operating table for sequentially placing several block electrodes. Pressing plates that contact the outer block electrodes are arranged on both sides of the operating table. After several block electrodes are placed on the operating table, they are squeezed together by the pressing plates on both sides (a hydraulic driving cylinder is arranged at the rear end of each pressing plate), realizing the mechanical contact of each block electrode, and ensuring the tightness of the welding after circumferential welding.

[0005] For the block electrodes to be circumferentially welded completely, after welding the gaps on the top surface and side edges of the block electrodes with a non-circular cross-section, it is necessary to perform overall flipping in the direction of the arrow shown in Figure 5 for welding the bottom joint. During the flipping process, manual assistance with an auxiliary lifting tool is required for flipping. However, the overall weight of the preliminarily welded block electrodes is relatively large, making it difficult to smoothly set up the lifting tool and perform the flipping operation. As a result, the welding tightness of the block electrodes is insufficient, and there is a problem of block electrode fracture when they are later loaded into the electrofusion furnace (as Figure 7As shown), there are potential safety hazards and it also affects the conduction and heating effect during electric melting. Summary of the invention

[0006] In response to the above-mentioned problems, the present application aims to provide a metal block electrode circumferential welding auxiliary device, which can flip the block electrode and always maintain support for the titanium electrode during the overall flipping process, so as to alleviate the problem of block electrode breakage caused by excessive pressure on the pressure plate, and facilitate the safe and fast welding connection operation of the block electrode as a whole.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted in this application is as follows: a metal block electrode circumferential welding auxiliary device, including an operating table on which a plurality of block electrodes are placed in sequence, and pressure plates in contact with the outer block electrodes are arranged on both sides of the operating table, characterized in that: the operating table is arranged as an adjustment structure that can be detached from the block electrode, and a receiving mechanism for supporting the rotation of the block electrode is arranged on the operating table.

[0008] Preferably, the adjustment structure is a drive cylinder vertically arranged at the bottom of the operating table, and the pressure plate on each side is configured as a rotating structure.

[0009] Preferably, the receiving mechanism comprises a slide groove provided on the operating table, in which a receiving plate for receiving the block electrode is slidably arranged.

[0010] Preferably, a positioning groove is provided on the receiving plate at a rotating corner of the block electrode.

[0011] The beneficial effect of the present application is that the annular welding auxiliary device can flip the block electrode by means of a hanging rotation after the operating table is separated from the block electrode for preliminary welding through the adjustment structure, and then place it on the operating table again after flipping to perform a complete welding operation at the bottom seam. Furthermore, the receiving structure allows the block electrode to always maintain the receiving support for the titanium electrode during the overall flipping process, so as to alleviate the problem of the block electrode being broken due to excessive pressure on the pressure plate, and overall facilitates the safe and rapid welding connection operation of the block electrode. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Illustration of an extruded block electrode.

[0013] Figure 2 This is a diagram of the splicing of block electrodes before welding.

[0014] Figure 3 This is a diagram of the block electrode after splicing.

[0015] Figure 4 Illustration of a block electrode clamped on a workbench.

[0016] Figure 5 forFigure 4 Schematic diagram of the side and top surfaces of the middle block electrode after welding and flipping.

[0017] Figure 6 Schematic diagram of the overall structure of the welding auxiliary device of the present application.

[0018] Figure 7 Schematic diagram of the easy extrusion and breakage when the block electrode is suspended and flipped.

[0019] Figure 8 Side view structural diagram of the operation table of the present application.

[0020] Figure 9 Schematic diagram of the flipping process of the block electrode of the present application.

[0021] Figure 10 Schematic diagram of the block electrode being received after flipping in the present application.

[0022] Figure 11 For the present application Figure 9 Enlarged schematic diagram of the structure at position A.

[0023] Figure 12 For the current manual welding of block electrodes ( Figure 4 ) Physical diagram.

[0024] In the figure: 6 - auxiliary receiving plate; 7 - chain. Specific implementation manner

[0025] In order to enable those of ordinary skill in the art to better understand the technical solution of the present application, the technical solution of the present application will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] Referring to Figures 1-11 A circumferential welding auxiliary device for a metal block electrode as shown, including an operation table 2 for sequentially placing a plurality of block electrodes 1, pressure plates 3 in contact with the outer block electrodes 1 are arranged on both sides of the operation table 2. After placing the block electrodes to be welded on the operation table 2, through the overall extrusion of the pressure plates 3 on both sides, the adjacent block electrodes are closely attached to each other, facilitating the welding operation at the side and top surface joints.

[0027] And for facilitating the welding operation of the bottom joint, as Figure 6 shown, the operation table 2 is provided with an adjustable structure detachable from the block electrode 1. After the operation table 2 is detached from the preliminarily welded block electrode, the block electrode can be flipped by means of hoisting and rotation, and then placed on the operation table 2 again for the complete welding operation at the bottom joint.

[0028] As Figure 6As shown, after the operating table 2 is completely separated from the block electrode, the whole is in a suspended state. It is necessary for the two side pressing plates 3 to apply a large pressing force to ensure that the block electrode does not separate from the pressing plate 3. The block electrode is formed by extruding raw material particles, and under the action of a large pressing force, there will be a problem of cracking. Figure 7 (the state shown), so to solve this problem, as Figure 8 shown, a receiving mechanism for supporting the rotation of the block electrode 1 is provided on the operating table 2. Through this receiving structure, the block electrode always maintains the receiving and supporting of the titanium electrode during the overall flipping process, so as to slow down the problem of the block electrode being broken due to excessive pressure of the pressing plate 3.

[0029] Specifically, as Figure 6 shown, the adjusting structure is that a driving cylinder 4 is vertically arranged at the bottom of the operating table 2, and each side pressing plate 3 is set as a rotating structure. Preferably, each side pressing plate 3 is rotatably connected to the end of the hydraulic rod. Among them, the outer end of the hydraulic rod of one side pressing plate 3 is rotationally driven through a chain 7 (in order to simplify the structure and save the use cost of components, a hydraulic cylinder may not be provided on the side where the pressing plate 3 is driven by the chain, and the pressing function can also be realized through the hydraulic cylinder and the pressing plate 3 on the other side). After the seam welding on the side and top surfaces of the block electrode is completed, the operating table 2 is driven by the driving cylinder 4 to move down and separate from the block electrode, and then through the rotation of the pressing plate 3, the flipping of the block electrode is realized, and the seam welding operation of the bottom surface can be carried out after flipping.

[0030] To solve the problem of excessive pressure of the pressing plate after the operating table 2 is separated from the block electrode, as Figures 8-10 shown, the receiving mechanism includes a chute 2a opened on the operating table 2, and a receiving plate 5 for receiving the block electrode 1 is slidably arranged in the chute 2a. Preferably, a slide rail (not shown in the figure) for driving the receiving plate 5 to slide is arranged in the chute 2a. During operation, as Figure 9 shown, the two side pressing plates 3 press against and drive the block electrode to flip, and the operating table 2 moves down synchronously. The corners of the block electrode contact the receiving plate 5 to realize the receiving and supporting function. The pressing plate 3 continuously drives the block electrode to flip, and the corners of the block electrode drive the receiving plate 5 to slide in the chute 2a, and at the same time, the height of the operating table 2 is adjusted so that the receiving plate 5 is always in contact with the block electrode. After the block electrode is flipped to the horizontal state, as Figure 10 shown, preferably, an auxiliary receiving plate 6 can be placed in the chute 2a to receive the flipped block electrode, and after the bottom seam is exposed, the welding operation can be carried out.

[0031] To avoid the problem that the relative sliding between the block electrode and the receiving plate 5 causes the loss of the receiving function during the flipping process of the block electrode, preferably, as Figure 11As shown in the figure, a positioning groove 5a is provided at the rotating corner of the block electrode 1 on the receiving plate 5. During the flipping process of the above-mentioned block electrode, the corner of the block electrode is embedded in the positioning groove 5a on the receiving plate 5 (preferably, the positioning groove 5a is larger than the corner of the block electrode to avoid contact interference during flipping), so as to realize the contact positioning between the two and avoid the problem of disengagement during the flipping process due to relative sliding.

[0032] The principle of this application is as follows: When performing the welding operation of the block electrode, after placing the segmented block electrode on the operating table 2, the adjacent block electrodes are tightly pressed together by the pressing plates 3 on both sides. Then, the side seams and top seams of the adjacent block electrodes can be welded and connected in sequence. After the side and top welding are completed, the chain drives the pressing plates 3 and the driving block electrode to flip as a whole. During the flipping process, the corner of the block electrode is embedded in the positioning groove 5a of the receiving plate 5 to achieve positioning and receiving, and the receiving plate 5 slides in the sliding groove 2a accordingly. At the same time, the operating table 2 is adjusted adaptively up and down. When it is flipped to the horizontal state, an auxiliary receiving plate 6 can be preferably placed to realize the receiving of the block electrode after flipping. After the bottom seam is exposed, the welding operation can be carried out.

[0033] The above shows and describes the basic principle, main features and advantages of this application. Without departing from the spirit and scope of this application, this application will have various changes and improvements, and these changes and improvements all fall within the scope of this application claimed.

Claims

1. A circumferential welding auxiliary device for metal block electrodes, comprising an operating table (2) on which a number of block electrodes (1) are sequentially placed, and pressing plates (3) in contact with the outermost block electrodes (1) are arranged on both sides of the operating table (2), characterized in that: The operation table (2) is provided with a detachable adjustment structure with respect to the block electrode (1), and a receiving mechanism for supporting the rotation of the block electrode (1) is provided on the operation table (2).

2. The welding auxiliary device according to claim 1, characterized in that: The adjustment structure is that a driving cylinder (4) is vertically provided at the bottom of the operation table (2), and each pressing plate (3) is provided as a rotating structure.

3. The welding auxiliary device according to claim 2, characterized in that: The receiving mechanism includes a sliding groove (2a) opened on the operation table (2), and a receiving plate (5) for receiving the block electrode (1) is slidably arranged in the sliding groove (2a).

4. The welding auxiliary device according to claim 3, wherein: A positioning groove (5a) is opened at the rotating corner of the block electrode (1) on the receiving plate (5).

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