Horizontal welding device for spliced titanium alloy electrode block

Abstract

The horizontal welding device for the spliced titanium alloy electrode blocks comprises a welding base, a sliding mechanism and a clamping mechanism, and the welding base is provided with containing groove bodies for sequentially containing the titanium electrode blocks to be welded; the sliding mechanism is arranged in the welding base and abuts against and clamps the multiple titanium electrode blocks in the axial direction with the welding base. The clamping mechanism is arranged on the top side of the containing groove body in the axial direction in a spacing-adjustable mode and drives the titanium electrode blocks spliced on the upper side and the lower side to abut against and clamp the titanium electrode blocks. According to the welding device, the multiple spliced electrode blocks can be driven to slide in the axial direction through the sliding mechanism and then abut against and are clamped, and splicing gaps between the electrode blocks in the axial direction are eliminated. And the gap between the upper and lower spliced electrode blocks can be eliminated through the clamping mechanism, mixing and welding forming of the titanium electrode blocks and the intermediate alloy can be completed, and compared with the situation that an alloy raw material needs to be mixed into a sponge titanium raw material before the titanium electrode is pressed at present, the operation efficiency of titanium alloy smelting at present can be effectively improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of titanium alloy electrode welding, and particularly relates to a horizontal welding device for spliced titanium alloy electrode blocks. BACKGROUND

[0002] Titanium is an important structural metal, and has many excellent properties, such as small density, high strength, large specific strength, good heat resistance, excellent corrosion resistance, good low-temperature performance, no magnetism, small thermal conductivity and low elastic modulus. Titanium alloy refers to a new alloy prepared by adding single or multiple other elements to titanium as a base, and inherits many advantages of titanium and has more excellent comprehensive performance. Titanium alloy is widely applied in many fields such as aerospace, chemical industry, electric power and biomedical treatment, such as airplane bodies, various chemical equipment, human bones and teeth.

[0003] At present, sponge titanium is an important raw material in the titanium industry, and can be pressed into electrode blocks for smelting, and thus the welding of the electrode blocks is an important processing technology in the smelting processing of titanium alloy. At present, electrode blocks in columnar structures and electrode blocks in cubic structures are pressed by large-tonnage hydraulic machines and molds, and then the spliced electrode blocks (columnar or cubic) are rotated after being clamped from two sides by a turnover welding platform such as the turnover welding platform disclosed in CN218016797U, so that the welding connection of each electrode block is realized, and a long columnar electrode block is formed after welding and placed in a smelting furnace for smelting.

[0004] At present, the sponge titanium is usually pure titanium, and alloy raw materials need to be mixed into the sponge titanium raw materials before the titanium electrode is pressed, so that the process of mixing (including weighing, mixing and stirring) is needed, and then the pressing and welding of multiple short electrode blocks are performed, which increases the smelting process of titanium alloy and is not conducive to the rapid and efficient smelting of titanium alloy ingots. SUMMARY

[0005] In view of the above problems, the application aims to provide a horizontal welding device for spliced titanium alloy electrode blocks, which can splice and weld the electrodes, and can effectively improve the operation efficiency compared with the current titanium alloy electrode and smelting.

[0006] In order to achieve the above purpose, the technical scheme adopted by the application is as follows: a horizontal welding device for spliced titanium alloy electrode blocks, characterized by comprising a welding base, a sliding mechanism and a clamping mechanism, the welding base has a placement groove for sequentially placing titanium electrode blocks to be welded;

[0007] The sliding mechanism is arranged in the welding base and clamps multiple titanium electrode blocks in the axial direction of the welding base;

[0008] The clamping mechanism is arranged on the top side of the placing groove and drives the upper and lower titanium electrode blocks to abut and clamp.

[0009] Preferably, the welding base comprises a front end plate and a rear end plate, and a connecting rod is arranged at the side between the two plates, and V-shaped partitions that jointly form the placing groove are arranged on the left and right symmetrical connecting rods in the length direction.

[0010] Preferably, the sliding mechanism comprises a guide rod arranged in the placing groove and evenly arranged from the front end plate in a ring shape, and a sliding plate is connected to the tail end of the guide rod close to the rear end plate, and an adjusting plate is arranged at the position where the guide rod extends out of the front end plate.

[0011] Preferably, the clamping mechanism comprises an upper pressing plate detachably assembled on the top side of each V-shaped partition, and a circular arc pad is arranged in the upper pressing plate in the vertical direction.

[0012] Preferably, a positioning surface is arranged on one side of each V-shaped partition and abuts against the side wall of the titanium electrode block, and a clamping screw is arranged through the other side opposite to the positioning surface.

[0013] The welding device can drive the sliding of the spliced multiple electrode blocks in the axial direction through the sliding mechanism, abut and clamp, eliminate the splicing gap between the electrode blocks in the axial direction, and eliminate the gap between the upper and lower spliced electrode blocks through the clamping mechanism. The titanium electrode block and the intermediate alloy can be mixed and welded to form, compared with the current process of mixing alloy raw materials in sponge titanium raw materials before pressing the titanium electrode, and the complex process of mixing materials, the welding of the titanium electrode and the alloy electrode can be formed, the operation of the mixing material is fast, and the operation efficiency of the current titanium alloy smelting can be effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The titanium electrode block and the intermediate alloy electrode block structure and splicing diagram for the welding device of the application.

[0015] Figure 2 The sliding mechanism structure diagram of the application.

[0016] Figure 3 The single V-shaped partition plane structure diagram of the application.

[0017] Figure 4 The overall structure diagram of the welding device of the application.

[0018] Figure 5 The clamping mechanism of the application is shown in the diagram.

[0019] Figure 6The bottom side arc electrode block of the application is placed on the V-shaped partition. When the bottom side arc electrode block is pressed in the non-horizontal state, the top arc electrode block will tilt and slide.

[0020] Figure 7 The bottom side arc electrode block of the application is placed on the V-shaped partition. When the bottom side arc electrode block is pressed in the non-horizontal state, the top arc electrode block will tilt and slide. Figure 6 The bottom side arc electrode block of the application is placed on the V-shaped partition. When the bottom side arc electrode block is pressed in the non-horizontal state, the top arc electrode block will tilt and slide.

[0021] Figure 8 The bottom side arc electrode block of the application is placed on the V-shaped partition. When the bottom side arc electrode block is pressed in the non-horizontal state, the top arc electrode block will tilt and slide.

[0022] Figure 9 The bottom side arc electrode block of the application is placed on the V-shaped partition. When the bottom side arc electrode block is pressed in the non-horizontal state, the top arc electrode block will tilt and slide. Figure 8 The bottom side arc electrode block of the application is placed on the V-shaped partition. When the bottom side arc electrode block is pressed in the non-horizontal state, the top arc electrode block will tilt and slide.

[0023] In the figure: 8-hydraulic cylinder; 91-arc-shaped pressing electrode block; 92-intermediate alloy electrode block. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solutions of the application, the technical solutions of the application will be further described below in combination with the drawings and examples.

[0025] Firstly, based on the current need for pre-mixing and other operations during titanium alloy melting, the horizontal welding device provided by the application is applied to the pressing electrode block with a circular arc surface as shown in the figure. The arc-shaped pressing electrode block is the same as the conventional columnar or cubic electrode block, which is formed by pressing the titanium sponge (pure titanium) raw material. The columnar electrode block that can be embedded into the middle of the arc-shaped electrode block is an electrode block pressed by alloy elements. During welding, the intermediate columnar alloy electrode block is embedded into the upper and lower arc-shaped electrode blocks, and then a titanium alloy ingot can be formed after melting. This method can effectively solve the current need for weighing, mixing and stirring operations before pressing the titanium alloy electrode block. After the titanium alloy and the intermediate alloy are respectively pressed into a shape, the titanium alloy electrode block can be formed by welding. Figure 1 Since the strength of titanium elements is high, it is difficult to press into a circular or square structure (titanium sponge is extruded into a block, which requires a large hydraulic pressing force). Therefore, the titanium electrode block with a circular arc surface described in the application is also convenient for pressing into a shape. After the titanium electrode block with a circular arc surface is pressed into a shape, the circular arc surface is also convenient for demolding operation compared with the electrode block with a square structure.

[0026] For the arc-shaped electrode block structure and the intermediate alloy pressing electrode block described in the application, refer to the attached

[0027] Figures 1-9 ​As shown, this application provides a horizontal welding device for spliced ​​titanium alloy electrode blocks, including a welding base 1, a sliding mechanism, and a clamping mechanism. The welding base 1 has a placement groove 1a for sequentially placing titanium electrode blocks to be welded. Multiple arc-shaped titanium electrode blocks can be spliced ​​together along the axial direction on the placement groove 1a, and then a cylindrical intermediate alloy electrode block is embedded in it. Finally, arc-shaped titanium electrode blocks are spliced ​​on the upper side. The overall structure after splicing is as follows: Figure 1 As shown.

[0028] The sliding mechanism is located inside the welding base 1 and clamps multiple titanium electrode blocks together with the welding base 1 along the axial direction. That is, the sliding mechanism drives the multiple electrode blocks to slide along the axial direction and clamp them together, eliminating the splicing gap between the electrode blocks in the axial direction.

[0029] The clamping mechanism is axially adjustable and positioned on the top side of the placement tank 1a, driving the upper and lower titanium electrode blocks to abut and clamp together. After the electrode blocks are clamped axially, since the electrode blocks of this application also include a downward splicing structure, the clamping mechanism and the placement tank 1a together clamp the arc-shaped electrode block and the middle alloy electrode block from the upper and lower sides, eliminating the gap between the upper and lower splices. This allows the electrode blocks to be in a tight fit, ensuring the weld's tightness, integrity, and good fusion conductivity after welding at the splice.

[0030] Since the electrode block is spliced ​​with multiple short sections along the axial direction, i.e. has multiple splicing seams, and the multiple splicing seams are welded one after another, the clamping device disclosed in this application can be adjusted to be set on the top side of the placement tank 1a. When welding each splicing seam one after another, the position of the clamping device can be adjusted to perform welding (using an automatic welding gun or manual welding) operation on the electrode block currently being welded under the corresponding pressing state.

[0031] Specifically, such as Figure 4 As shown, the welding base 1 includes a front end plate 11 and a rear end plate 12, and a connecting rod 13 is provided on the side between the two. V-shaped partitions 2, which together constitute the placement groove a, are arranged along the length direction on the symmetrically arranged connecting rods 13. The planar structure of the V-shaped partition 2 is as follows: Figure 3 As shown, a groove structure for placing arc-shaped electrode blocks is opened on the inner side, and the horizontal spacing of the grooves is set on the symmetrical connecting rods 13, which are arranged on the inner side of the welding base 1. Figure 4 As shown, multiple semi-circular electrode blocks can be placed sequentially on V-shaped partitions 2 (preferably, the distance between adjacent V-shaped partitions 2 is less than the axial length of each arc electrode block to prevent the electrode blocks from falling between adjacent V-shaped partitions 2), and intermediate alloy electrode blocks and upper arc electrode blocks are sequentially embedded on the arc electrode blocks on the bottom side.

[0032] In order to compress the spliced ​​electrode blocks axially, such asFigure 2 As shown, the sliding mechanism includes guide rods 3 arranged in the placement groove a and evenly distributed from the front end plate 11, and the tail end of the guide rod 3 close to the rear end plate 12 is connected with a sliding plate 41, and an adjusting plate 42 is arranged at the position where the guide rod 3 extends out of the front end plate 11 (the guide rod 3 is preferably fixed by buckles or nuts after extending out of the adjusting plate 42, and when buckles are used, the guide rod 3 can be arranged as a flat surface structure). Among them, the guide rod 3 on the bottom side is embedded into the notch 2b at the bottom of the V-shaped partition plate 2, avoiding the placement of the electrode block to cause obstruction, and the guide rod 3 on the top side is located at the top of the electrode block, so that the electrode block spliced in the V-shaped partition plate 2 is in the circumferentially arranged guide rod 3. After the electrode block is spliced, a hydraulic cylinder 8 is preferably arranged between the adjusting plate 42 and the front end plate 11, the movement of the adjusting plate 42 and the guide rod 3 is driven, so that the sliding plate 41 drives the spliced electrode block to be axially pressed and tightly contacted on the inner surface of the front end plate 11, eliminating the axial splicing gap of the electrode block.

[0033] In order to realize the pressing and fastening effect of the upper and lower arc titanium electrode blocks on the intermediate alloy electrode block, as shown in Figures 4-5 As shown, the clamping mechanism includes an upper pressing plate 5 which can be detachably assembled on the top side of each V-shaped partition plate 2, and the upper pressing plate 5 is a U-shaped structure, as shown in Figure 5 As shown, the upper pressing plate 5 is connected by a pin or a bolt at the top of each V-shaped partition plate 2, and a circular arc pad 6 is vertically adjusted and arranged inside the upper pressing plate 5. The circular arc bottom surface of the circular arc pad 6 is in contact with the surface of the upper arc titanium electrode block, and a hydraulic cylinder is also arranged between the upper pressing plate 5 and the circular arc pad 6. After the upper pressing plate 5 is assembled on the V-shaped partition plate 2 at the position of the electrode block to be welded, the circular arc pad 6 is driven downward by the hydraulic cylinder to press and contact the upper arc titanium electrode block, so as to be tightly pressed on the V-shaped partition plate 2 together with the intermediate alloy electrode block and the lower arc electrode block, and the welding operation is performed on the end surface joint and the side edge joint of the upper and lower arc electrode blocks. Since the welding base 1 is a frame structure, the welding (spot welding) operation can also be realized on the bottom joint of the upper and lower arc electrode blocks. When welding the next joint gap, the upper pressing plate 5 is shifted and then pressed downward.

[0034] In actual operation, in order to facilitate one-time clamping forming, the upper pressing plate 5 can be arranged on each V-shaped partition plate 2, and the circular arc pad 6 can be arranged as a long strip structure, so that all the electrode blocks are pressed and connected at one time, which can further improve the clamping and welding operation efficiency.

[0035] As shown in Figure 6 When the upper surface of the lower arc block is not in a horizontal state after being placed on the V-shaped partition plate 2, the inclined sliding of the upper arc electrode block will be caused when the circular arc pad 6 and the downward pressure are applied. Figure 6(As shown in the diagram), while the central cylindrical alloy electrode block can effectively block and limit the upper arc-shaped electrode block, a large hydraulic force can also cause the upper arc-shaped electrode block to be crushed (e.g.). Figure 7 As shown, the electrode block is formed by extruding sponge titanium particles. Therefore, to solve this problem, such as Figures 8-9 As shown, a positioning surface 2a (preferably a square tube welded inside the V-shaped partition 2) is provided on one side of each V-shaped partition 2 to abut against the side wall of the titanium electrode block, and a clamping screw 7 is provided on the other side opposite to the positioning surface 2a. After the lower arc electrode block is placed inside the V-shaped partition 2, one side wall of the (middle) arc electrode block is flush with the positioning surface 2a, while the other side is horizontally limited by the clamping screw 7, keeping its top surface horizontal. This solves the problems of oblique sliding and electrode block breakage when the upper arc electrode block is pressed down laterally.

[0036] The principle of this application is as follows: When welding arc-shaped titanium electrode blocks and intermediate cylindrical electrode blocks, multiple arc-shaped electrode blocks are first placed axially on the V-shaped partition 2. The positioning surface 2a and clamping screws 7 are used to horizontally position the bottom electrode blocks on both sides. The clamping screws 7 are then slightly loosened to facilitate movement of the electrode blocks during subsequent clamping. Next, an intermediate alloy electrode block, an intermediate arc-shaped titanium electrode block, and an upper arc-shaped electrode block are placed sequentially above the bottom arc-shaped electrode blocks. After placement, the hydraulic cylinder between the adjusting plate 42 and the front end plate 11 drives the adjusting plate 42 and guide rod 3 to move, causing the sliding plate 41 to press the spliced ​​electrode blocks axially together against the inner surface of the front end plate 11, eliminating the axial splicing gap between the electrode blocks.

[0037] Before welding, the upper pressure plate 5 is assembled on the top side of the electrode block to be welded. A hydraulic cylinder drives the arc-shaped pad 6 to press down on the electrode block, clamping the upper and lower arc-shaped electrode blocks into contact with the central alloy electrode post. Welding is then performed at the end faces and side edges of the upper, middle, and lower arc-shaped electrode blocks. The position of the upper pressure plate 5 is adjusted in the same way to complete the pressing and welding operation for multiple joints.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this application. Various changes and modifications may be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims.

Claims

1. A horizontal welding device for splicing titanium alloy electrode blocks, characterized by comprising: Including welding base (1), sliding mechanism and clamping mechanism, the welding base (1) has the placement groove (a) of the titanium electrode block to be welded in turn; The sliding mechanism is arranged in the welding base (1), and a plurality of titanium electrode blocks are clamped in the axial direction of the welding base (1); The clamping mechanism is arranged on the top side of the placement groove (a) and drives the titanium electrode blocks on the upper and lower sides to be clamped.

2. The welding device of claim 1, wherein: The welding base (1) includes a front end plate (11) and a rear end plate (12), and a connecting rod (13) is arranged at the side between the two, and V-shaped partition plates (2) are arranged on the length direction of the symmetric connecting rods (13) to form the placement groove (a).

3. The welding device of claim 2, wherein: The sliding mechanism includes a guide rod (3) arranged in the placement groove (a) and evenly arranged from the front end plate (11), and the tail end of the guide rod (3) close to the rear end plate (12) is connected with a sliding plate (41), and an adjusting plate (42) is arranged at the position where the guide rod (3) extends out of the front end plate (11).

4. The welding device of claim 3, wherein: The clamping mechanism includes a detachable upper pressing plate (5) arranged on the top side of each V-shaped partition plate (2), and a circular arc pad (6) is arranged in the vertical direction in the upper pressing plate (5).

5. The welding device of claim 4, wherein: A positioning surface (2a) is arranged on one side of each V-shaped partition plate (2) and is attached to the side wall of the titanium electrode block, and a clamping screw (7) is arranged on the other side opposite to the positioning surface (2a).

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