Water tank body welding tool

Abstract

The application relates to a water tank body welding tool and relates to the technical field of rail transit equipment, which comprises a machining support for placing a water tank framework on the upside of the machining support; a mounting plate is fixed on the bottom side of the machining support; a plurality of supporting plates are fixed on the opposite edges of the machining support away from the mounting plate; a pressing rod is slid on the supporting plates; the length direction of the pressing rod is parallel to the side of the machining support away from the mounting plate; the pressing rod can reciprocally slide along the axis of the pressing rod, the position of the pressing rod can be flexibly adjusted by cooperating with a locking piece, the two opposite end portions of the pressing rod can be accurately abutted against the outer side of the water tank framework, the stable clamping of water tank frameworks with different sizes can be realized, and the universality is high; the design is not only simple in operation, can quickly complete the positioning and fixing of the water tank framework, but also can ensure the stable position of the water tank framework during welding, effectively improve the welding precision and quality, reduce the defective rate, and improve the production efficiency.

Description

Technical Field

[0001] This application relates to the technical field of rail transit equipment, and in particular to a welding fixture for a water tank body. Background Technology

[0002] Currently, the water tank is an important component of the high-speed train. Its frame is a welded structure, which gives the frame good strength and stability, and can withstand the vibration and impact during train operation. The water tank frame is usually installed at the bottom of the train, which makes full use of space and facilitates connection with the water system. It can efficiently store and supply drinking water to meet the drinking water needs of passengers during their journey. Given the special operating environment and the importance of drinking water supply, the design and manufacture of water tanks must strictly follow standards and specifications to ensure water quality safety and reliable operation of the water tank.

[0003] In related technologies, to facilitate welding of the water tank frame, the water tank frame is usually placed on a processing support. The processing support is made of stainless steel, and fixing blocks are welded to both sides of the processing support to clamp the vertical surface of the water tank frame. A protruding plate is fixedly installed on the bottom edge of the water tank frame to be welded, and the fixing blocks can also limit and clamp the protruding plate to ensure the tooling stability of the water tank frame. At the same time, rotating shafts are installed at the bottom and sides of the processing support. Through an external driving structure, the processing support can be rotated in multiple directions, such as rotating from the horizontal direction to the vertical direction around the axis of the rotating shaft. This facilitates welding on the bottom side of the water tank frame or other hard-to-reach areas.

[0004] In the aforementioned related technologies, due to the size differences of skeletons of different specifications, existing tooling relies on manually adding or removing shims to adjust the clamping force. However, the thickness of the shims is difficult to accurately match the changes in the skeleton, which can easily lead to insufficient or excessive clamping force. This can cause the skeleton to shake, shift, or even fall off during the welding process, which not only reduces welding accuracy and causes weld defects or structural deformation, but may also cause safety accidents. At the same time, frequent replacement of shims and adjustment of tooling significantly prolongs the production preparation time, bringing many inconveniences and potential risks to production, and there is room for improvement. Summary of the Invention

[0005] The purpose of this application is to provide a welding fixture for the main body of a water tank, which solves the problem in the above-mentioned related technologies that the clamping block cannot be effectively clamped, causing the water tank frame to shake during the flipping welding process.

[0006] The technical solution for the welding fixture for the main body of a water tank provided in this application is as follows:

[0007] A welding fixture for a water tank body includes a processing bracket on which the water tank frame is placed on its upper side; an mounting plate is fixedly provided on the bottom side of the processing bracket, and several support plates and clamping rods are fixedly provided on the opposite sides of the processing bracket away from the mounting plate and sliding on the support plates.

[0008] The length direction of the clamping rod is parallel to the side of the processing bracket away from the mounting plate. The clamping rod can slide back and forth along its own axis. The support plate is provided with a locking member to limit the sliding state of the clamping rod. The two ends of the clamping rod that are close to each other can be pressed against the outer side of the water tank frame after sliding adjustment.

[0009] By adopting the above technical solution, the clamping rod can slide back and forth along its own axis, and its position can be flexibly adjusted in conjunction with the locking component, so that the ends of the two opposing clamping rods can be precisely pressed against the outer side of the water tank frame, achieving a stable clamping of water tank frames of different sizes, with strong versatility. This design is not only easy to operate and can quickly complete the positioning and fixing of the water tank frame, but also ensures the stability of the water tank frame position during the welding process, effectively improving welding accuracy and quality, reducing the defect rate, and improving production efficiency.

[0010] Optionally, the locking element is a threaded seat, and the support plate has a clearance notch for the threaded seat to be fixedly installed; the threaded seat has a receiving cavity.

[0011] The outer circumferential surface of the clamping rod is fixed with an external thread, and the inner wall of the receiving cavity is fixed with an internal thread that matches the external thread. The clamping rod can be screwed into the receiving cavity through a threaded connection, and the two ends of the clamping rod protrude from the two ends of the threaded seat, respectively.

[0012] By adopting the above technical solution, the threaded connection allows the clamping rod to be screwed in and out of the threaded seat accurately and smoothly, which facilitates precise adjustment of the clamping rod position and ensures that just the right pressure is applied to the water tank frame to achieve stable clamping.

[0013] Optionally, the end of the clamping rod away from the water tank frame is provided with a rotating handle, the clamping rod is provided with a first fixed through hole for the rotating handle to be inserted, the two ends of the rotating handle are fixed with a first rotating ball, and the end of the clamping rod near the water tank frame is fixed with a clamping plate, the clamping plate can slide back and forth towards the water tank frame when the rotating handle drives the clamping rod to rotate.

[0014] By adopting the above technical solution, the rotating handle is designed to facilitate the operator's application of force, easily driving the clamping rod to rotate and reducing the difficulty of operation. The first rotating ball prevents the rotating handle from slipping, ensuring safe and smooth operation.

[0015] Optionally, a fixing ring groove is provided on the outer circumferential surface of the threaded seat, and the inner wall of the clearance notch is an arc surface. The arc surface inner wall fits into the fixing ring groove, and the fixing ring groove can be inserted into and fixedly connected to the inner wall of the arc notch.

[0016] By adopting the above technical solution, the fitting design of the fixed ring groove and the inner wall of the arc surface greatly enhances the connection strength between the threaded seat and the support plate, making the two more tightly and firmly connected, and effectively reducing the risk of loosening caused by external force or long-term use.

[0017] Optionally, a plurality of clamping rods are slidably provided on the upper surface of the processing bracket, the length direction of the plurality of clamping rods being perpendicular to the side of the processing bracket away from the mounting plate, and the two ends of the clamping rods protruding from the two ends of the processing bracket.

[0018] The tensioning rod can slide back and forth along its own axis. The processing bracket is provided with a fixing component that limits the sliding state of the tensioning rod. A tensioning plate is fixed to the end of the tensioning rod near the water tank frame. After the tensioning rod is slidably adjusted, the tensioning plate can slide back and forth towards the water tank frame. The height of the water tank frame can be adjusted by the tensioning rod.

[0019] By adopting the above technical solution, the clamping rod can slide back and forth along its own axis, flexibly adjusting the position of the clamping plate to precisely abut against the water tank frame, thus achieving effective adjustment of the water tank frame height and meeting the needs of different welding scenarios. The fixing component can limit the sliding state of the clamping rod, ensuring the stability of the clamping plate after adjustment, guaranteeing the stability of the water tank frame during the welding process, and preventing shaking from affecting the welding quality.

[0020] Optionally, the end of the clamping rod away from the water tank frame is provided with a hand handle, and the clamping rod is provided with a second fixing through hole for inserting the hand handle, and the two ends of the hand handle are fixed with second rotating balls.

[0021] By adopting the above technical solution, the hand handle design allows operators to more easily apply force to push or pull the clamping rod, making operation easier and less strenuous, and improving the convenience and efficiency of operation.

[0022] Optionally, a plurality of clamping blocks are provided on opposite sides of the upper side of the processing bracket. The edge of the clamping block is perpendicular to the edge of the support plate. The clamping block can be rotated to the top of the protruding plate at the bottom edge of the water tank frame. At this time, the bottom surface of the clamping block can abut against the upper side of the protruding plate.

[0023] By adopting the above technical solution, the clamping block can rotate to the top of the protruding plate at the bottom edge of the water tank frame and abut against it, which can play an additional limiting and fixing role for the water tank frame and further enhance the stability of the water tank frame on the processing support.

[0024] Optionally, the clamping block has a waist-shaped through hole, the processing bracket has a fixing screw hole, and a fixing bolt is provided above the clamping block. The fixing bolt can be inserted into the waist-shaped through hole and then screwed into the fixing screw hole.

[0025] By adopting the above technical solution, the oblong through hole provides the clamping block with a certain positional adjustment space, which can flexibly adapt to water tank frame protrusions of different sizes and positions, improving the versatility of the tooling. The fixing bolts are inserted into the oblong through hole and screwed into the fixing screw hole, which can quickly and firmly fix the clamping block on the processing bracket, making the operation convenient and efficient.

[0026] In summary, this application includes at least one of the following beneficial technical effects:

[0027] 1. The clamping rod can slide back and forth along its own axis, and its position can be flexibly adjusted with the locking parts, so that the ends of the two opposing clamping rods can be precisely pressed against the outer side of the water tank frame, achieving a stable clamping of water tank frames of different sizes, with strong versatility; this design is not only easy to operate and can quickly complete the positioning and fixing of the water tank frame, but also ensures the stability of the water tank frame position during the welding process, effectively improving welding accuracy and quality, reducing the defect rate, and improving production efficiency;

[0028] 2. The oblong through-hole provides the clamping block with a certain degree of positional adjustment, allowing it to flexibly adapt to protruding plates of water tank frames of different sizes and positions, thus improving the versatility of the tooling. The fixing bolts are inserted into the oblong through-hole and screwed into the fixing screw holes, quickly and securely fixing the clamping block to the processing bracket, making the operation convenient and efficient. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;

[0031] Figure 2 This is an exploded structural diagram illustrating the installation and assembly of the various parts in an embodiment of this application;

[0032] Figure 3 This is a partially enlarged schematic diagram illustrating the installation and fit of the clamping block in an embodiment of this application;

[0033] Figure 4 This is a partially enlarged schematic diagram illustrating the installation and cooperation between the clamping rod and the support base in an embodiment of this application;

[0034] Figure 5 This is a cross-sectional view of the installation and cooperation between the rotating handle and the rotating ball in an embodiment of this application;

[0035] Figure 6 This is a cross-sectional structural diagram illustrating the installation and cooperation between the clamping rod and the hand handle in an embodiment of this application.

[0036] In the diagram, 1. Machining bracket; 11. Mounting plate; 12. Fixing screw hole; 2. Support plate; 21. Clearance notch; 3. Pressure rod; 31. First fixing through hole; 32. Pressure plate; 4. Locking element; 41. Threaded seat; 411. Receiving cavity; 412. Fixing ring groove; 5. Rotating handle; 51. First rotating ball; 6. Top-tightening rod; 61. Top-tightening plate; 62. Second fixing through hole; 63. Fixing element; 7. Hand handle; 71. Second rotating ball; 8. Pressure block; 81. Waist-shaped through hole; 9. Fixing bolt. Detailed Implementation

[0037] The present application will be further described in detail below with reference to all the accompanying drawings.

[0038] Reference Figure 1 A welding fixture for a water tank body includes a processing bracket 1 on the upper side of the water tank frame; an installation plate 11 is fixed to the bottom side of the processing bracket 1 by welding; several support plates 2 and a clamping rod 3 slidably fixed to the support plates 2 are fixed to the opposite sides of the processing bracket 1 away from the installation plate 11 by welding.

[0039] The length direction of the clamping rod 3 is parallel to the side of the processing bracket 1 away from the mounting plate 11, and the clamping rod 3 can slide back and forth along its own axis. The support plate 2 is fixedly installed with a locking component 4 to limit the sliding state of the clamping rod 3 by welding. The processing bracket 1, the mounting plate 11, the support plate 2 and the locking component 4 are all made of stainless steel.

[0040] In practical use, by adjusting the sliding position of the clamping rod 3, the ends of the two clamping rods 3 that are close to each other can be tightly pressed against the outer side of the water tank frame, thereby achieving a stable clamping of the water tank frame.

[0041] Reference Figure 1 , Figure 2 and Figure 3 Several clamping blocks 8 are installed on the opposite sides of the upper side of the processing bracket 1, and the edge of the clamping block 8 is perpendicular to the edge of the support plate 2. The clamping block 8 can be rotated to the top of the protruding plate at the bottom edge of the water tank frame, and the bottom surface of the clamping block 8 can abut against the upper side of the protruding plate at this time. The clamping block 8 is provided with a waist-shaped through hole 81, the processing bracket 1 is provided with a fixing screw hole 12, and a fixing bolt 9 is provided above the clamping block 8. The fixing bolt 9 can be inserted into the waist-shaped through hole 81 and then screwed into the fixing screw hole 12.

[0042] When it is necessary to use welding fixtures to fix the water tank frame, the operator should first loosen the fixing bolts 9, and then rotate the clamping block 8 to the upper edge of the protruding plate of the water tank frame, so that the bottom surface of the clamping block 8 is in close contact with the protruding plate of the water tank frame; in this way, even if the water tank frame needs to be flipped during the subsequent welding process, the clamping block 8 can play a reliable limiting role and effectively prevent the water tank frame from accidentally falling off the processing bracket 1.

[0043] Reference Figure 4 and Figure 5 The locking element 4 is a threaded seat 41. The support plate 2 has a clearance notch 21 for the threaded seat 41 to be fixedly installed, and the threaded seat 41 has a receiving cavity 411. The outer circumferential surface of the clamping rod 3 is fixed with an external thread, and the inner wall of the receiving cavity 411 is fixed with an internal thread that matches the external thread on the clamping rod 3. The clamping rod 3 can be screwed into the receiving cavity 411 through the threaded connection, and the two ends of the clamping rod 3 protrude from the two ends of the threaded seat 41 respectively.

[0044] A fixing ring groove 412 is provided on the outer circumferential surface of the threaded seat 41. The inner wall of the clearance notch 21 is arc-shaped, and the arc-shaped inner wall fits into the fixing ring groove 412. The fixing ring groove 412 can be fixedly installed on the inner wall of the clearance notch 21 by welding. The fitting fixing ring groove 412 and the arc-shaped inner wall can effectively enhance the connection strength between the threaded seat 41 and the support plate 2, and also prevent loosening.

[0045] Reference Figure 4 and Figure 5 The end of the clamping rod 3 away from the water tank frame is equipped with a rotating handle 5. The clamping rod 3 has a first fixed through hole 31 for the rotating handle 5 to be inserted. The two ends of the rotating handle 5 are fixedly installed with first rotating balls 51 by threaded engagement. The first rotating balls 51 can prevent the rotating handle 5 from coming out of the first fixed through hole 31. The end of the clamping rod 3 near the water tank frame is integrally formed with a clamping plate 32.

[0046] When the operator rotates the rotating handle 5, the rotating handle 5 will drive the clamping rod 3 to rotate; the clamping rod 3 and the threaded seat 41 can slide back and forth towards the water tank frame by means of the threaded connection structure, so as to apply pressure to the water tank frame and ensure that the water tank frame is stable in position during the welding process.

[0047] Reference Figure 4 and Figure 6 Several clamping rods 6 are slidably mounted on the upper surface of the processing bracket 1, and the length direction of the clamping rods 6 is away from the mounting plate 11 of the processing bracket 1 (see...). Figure 2The side of the top clamping rod 6 is perpendicular, and the two ends of the top clamping rod 6 protrude from the two ends of the processing bracket 1. The top clamping rod 6 can slide back and forth along its own axis, and the processing bracket 1 is fixedly installed with a fixing part 63 to limit the sliding state of the top clamping rod 6. The structure of the fixing part 63 is similar to that of the locking part 4, and will not be described in detail here.

[0048] A tensioning plate 61 is fixedly provided at the end of the tensioning rod 6 near the water tank frame; a hand handle 7 is provided at the end of the tensioning rod 6 away from the water tank frame. A second fixed through hole 62 is provided on the tensioning rod 6 for the hand handle 7 to be inserted. A second rotating ball 71 is fixedly installed at both ends of the hand handle 7 by thread engagement. The second rotating ball 71 can limit the two ends of the hand handle 7 to prevent the hand handle 7 from sliding out of the second fixed through hole 62.

[0049] When the operator rotates the handle 7, the handle 7 can drive the clamping rod 6 to slide back and forth along its own axis; when the clamping rod 6 reaches the appropriate position, the fixing device can lock the clamping rod 6; at this time, the clamping plate 61 abuts against the bottom surface of the water tank frame to ensure the stable progress of subsequent welding operations.

[0050] The implementation principle of this application embodiment is as follows:

[0051] When the operator is welding the water tank frame, first, the operator uses the handle 7 to push the clamping rod 6 to slide along its own axis, so that the clamping plate 61 abuts against the bottom surface of the water tank frame; then, the operator adjusts the sliding position of the clamping rod 3, and rotates the rotating handle 5 to drive it to rotate forward in the threaded seat 41, so that the clamping plate 32 tightly abuts against the outer side of the water tank frame to complete a stable clamping; then, the fixing bolt 9 is loosened, and with the help of the waist-shaped through hole 81 on the clamping block 8, it can still rotate to the top of the protruding plate of the water tank frame and abut against it even when the bolt is loose. In this way, even if the water tank frame needs to be flipped during the welding process, it can effectively prevent it from falling out and ensure that the position of the water tank frame is stable throughout the welding process.

[0052] Unless otherwise defined, the terms or scientific terms used in this application shall have the ordinary meaning understood by one of ordinary skill in the art to which this application pertains. The terms "first," "second," "third," and similar words used in this application do not indicate any order, quantity, or importance, but are merely used to distinguish different components. The terms "a" or "one," and similar words do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms "comprising," "including," and similar words mean that the element or object preceding "comprising" encompasses the element or object listed following "comprising" or "including," and their equivalents, but do not exclude other elements or objects. "Above," "below," "left," "right," etc., are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0053] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A welding fixture for a water tank body, comprising a processing support (1) on which the water tank frame is placed on its upper side; characterized in that, A mounting plate (11) is fixedly provided on the bottom side of the processing bracket (1), and several support plates (2) and a clamping rod (3) sliding on the support plates (2) are fixedly provided on the opposite sides of the processing bracket (1) away from the mounting plate (11). The length direction of the clamping rod (3) is parallel to the side of the processing bracket (1) away from the mounting plate (11). The clamping rod (3) can slide back and forth along its own axis. The support plate (2) is provided with a locking member (4) to limit the sliding state of the clamping rod (3). The two ends of the clamping rod (3) that are close to each other can abut against the outer side of the water tank frame after sliding adjustment.

2. The welding fixture for a water tank body according to claim 1, characterized in that, The locking element (4) is a threaded seat (41), and the support plate (2) has a clearance notch (21) for the threaded seat (41) to be fixedly installed; the threaded seat (41) has a receiving cavity (411); The outer circumferential surface of the clamping rod (3) is fixed with an external thread, and the inner wall of the receiving cavity (411) is fixed with an internal thread that matches the external thread. The clamping rod (3) can be screwed into the receiving cavity (411) through a threaded connection. The two ends of the clamping rod (3) protrude from the two ends of the threaded seat (41).

3. The welding fixture for a water tank body according to claim 2, characterized in that, The clamping rod (3) has a rotating handle (5) at the end away from the water tank frame. The clamping rod (3) has a first fixed through hole (31) for the rotating handle (5) to be inserted. The two ends of the rotating handle (5) are fixed with first rotating balls (51). The clamping rod (3) has a clamping plate (32) fixed at the end near the water tank frame. The clamping plate (32) can slide back and forth towards the water tank frame when the rotating handle (5) drives the clamping rod (3) to rotate.

4. The welding fixture for a water tank body according to claim 2, characterized in that, A fixing ring groove (412) is provided on the outer circumferential surface of the threaded seat (41). The inner wall of the relief notch (21) is an arc surface. The arc surface inner wall fits into the fixing ring groove (412). The fixing ring groove (412) can be inserted into and fixedly connected to the inner wall of the relief notch (21).

5. The welding fixture for a water tank body according to claim 1, characterized in that, A plurality of clamping rods (6) are slidably provided on the upper surface of the processing bracket (1). The length direction of the plurality of clamping rods (6) is perpendicular to the side of the processing bracket (1) away from the mounting plate (11). The two ends of the clamping rods (6) protrude from the two ends of the processing bracket (1). The tensioning rod (6) can slide back and forth along its own axis. The processing bracket (1) is provided with a fixing part (63) that limits the sliding state of the tensioning rod (6). The tensioning plate (61) is fixed at the end of the tensioning rod (6) near the water tank frame. After the tensioning rod (6) is slidably adjusted, the tensioning plate (61) can slide back and forth towards the water tank frame. The tensioning plate (61) can adjust the height of the water tank frame under the action of the tensioning rod (6).

6. The welding fixture for a water tank body according to claim 5, characterized in that, The end of the clamping rod (6) away from the water tank frame is provided with a hand handle (7). The clamping rod (6) is provided with a second fixed through hole (62) for inserting the hand handle (7). The two ends of the hand handle (7) are fixed with second rotating balls (71).

7. The welding fixture for a water tank body according to claim 1, characterized in that, The processing bracket (1) has several clamping blocks (8) on its two opposite sides. The edge of the clamping block (8) is perpendicular to the edge of the support plate (2). The clamping block (8) can rotate to the top of the protruding plate at the bottom edge of the water tank frame. At this time, the bottom surface of the clamping block (8) can abut against the upper side of the protruding plate.

8. The welding fixture for a water tank body according to claim 7, characterized in that, The clamping block (8) has a waist-shaped through hole (81), the processing bracket (1) has a fixing screw hole (12), and a fixing bolt (9) is provided above the clamping block (8). The fixing bolt (9) can be inserted into the waist-shaped through hole (81) and then screwed into the fixing screw hole (12).

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