Assembly plate welding clamp

Abstract

The utility model discloses a welding fixture for an assembly plate. The welding fixture comprises a fixed end cover and a movable end cover which are parallel to each other, the fixed limiting plate and the movable limiting plate are arranged on the opposite end faces of the fixed end cover and the movable end cover; the connecting rods are used for connecting the fixed end cover and the movable end cover, and the two ends of each connecting rod are detachably connected with the periphery of the fixed end cover and the periphery of the movable end cover respectively; the top plate is arranged between the movable limiting plate and the movable end cover, a plurality of adjusting lead screws penetrating through the movable end cover and the top plate are arranged on the movable end cover and the top plate, and the top plate can move towards the movable limiting plate by rotating the adjusting lead screws. According to the assembly plate welding fixture, the welding precision can be improved, and plate dislocation can be prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fixture, especially a kind of assembly sheet welding fixture. BACKGROUND

[0002] In the process of petroleum decomposition, heat exchanger needs to be used, and in the manufacturing process of heat exchanger, multiple 0.8mm square sheet pieces need to be assembled together, and then welding can be carried out. Currently, manual assembly and welding operation is mostly used, and there is no positioning fixture tool. However, if the sheet pieces are misaligned during assembly, it will lead to poor welding. SUMMARY

[0003] To overcome the above-mentioned shortcomings, the utility model aims to provide an assembly sheet welding fixture which can improve welding precision and prevent misalignment of sheet pieces.

[0004] To achieve the above purpose, one of the technical solutions adopted by the utility model is as follows: an assembly sheet welding fixture, comprising: fixed end covers and movable end covers which are parallel to each other; fixed limiting plates and movable limiting plates which are arranged on the opposite end faces of the fixed end covers and the movable end covers; a plurality of connecting rods which are used to connect the fixed end covers and the movable end covers, and the two ends of each connecting rod are detachably connected with the periphery of the fixed end cover and the periphery of the movable end cover; a top plate which is arranged between the movable limiting plate and the movable end cover, and a plurality of adjusting screws which are arranged on the movable end cover and the top plate and penetrate through the movable end cover and the top plate, and the top plate can be moved towards the movable limiting plate by rotating the adjusting screws.

[0005] The assembly sheet welding fixture has the following beneficial effects: before welding, the square sheet pieces are placed one by one along the connecting rods on the fixed limiting plates of the fixed end covers, and the periphery of each sheet piece is limited by multiple connecting rods. After all the sheet pieces are placed, the movable limiting plate is installed, and then the movable end cover is covered. By rotating the adjusting screws, the movable limiting plate is moved towards the fixed limiting plate, and then the multiple sheet pieces to be welded are pressed tightly. During welding, the connecting rods of one side are detached, and the surface can be welded. During welding, the sheet pieces are limited by the connecting rods of three sides, the fixed limiting plates at both ends and the movable limiting plate, and misalignment between the sheet pieces does not occur, so that the welding yield is improved.

[0006] Preferably, a plurality of adjusting holes are arranged on each connecting rod, the adjusting holes are evenly spaced, and the movable end cover is detachably connected with any adjusting hole through an adjusting bolt. In addition to adjusting the position of the top plate and then the position of the movable limiting plate by the adjusting screws, the position of the movable limiting plate can also be adjusted by adjusting the position of the adjusting holes on the movable end cover and the connecting rods, so that the applicability is improved.

[0007] Preferably, the movable end cover is provided with a plurality of first mounting slots around the periphery, the number of the first mounting slots being consistent with the number of the connecting rods, the connecting rods being inserted into the corresponding first mounting slots and being detachably connected through the adjusting bolts. The insertion connection facilitates the mounting connection of the connecting rods and the movable end cover.

[0008] Preferably, the fixed end cover is provided with a plurality of second mounting slots around the periphery, the number of the second mounting slots being consistent with the number of the connecting rods, the connecting rods being inserted into the corresponding second mounting slots and being detachably connected through the locking bolts. The insertion connection facilitates the mounting connection of the connecting rods and the fixed end cover.

[0009] Preferably, the fixed limiting plate and the movable limiting plate are matched in size with the shape surrounded by the plurality of connecting rods, and the periphery sidewalls of the fixed limiting plate and the movable limiting plate are in close contact with the connecting rods. The connecting rods can provide limiting to the periphery of the plate.

[0010] Preferably, the movable limiting plate is provided with a plurality of adjusting slots or clearance holes on the end face facing the top plate, the plurality of adjusting slots or clearance holes are one-to-one corresponding to the plurality of adjusting lead screws, and the end of each adjusting lead screw can extend into the corresponding adjusting slot or clearance hole. The adjusting slots or clearance holes provide clearance for the movement of the adjusting lead screws.

[0011] Preferably, the fixed limiting plate is provided with a profiled groove on the end face facing the plate, and the end face of the movable limiting plate facing the plate is a profiled plane.

[0012] Preferably, the size of the top plate is smaller than the size of the movable limiting plate. The top plate does not need to be profiled to adapt to any movable limiting plate. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 A perspective view of the plate assembled in the embodiment;

[0014] Figure 2 A perspective view of the first angle of the embodiment;

[0015] Figure 3 A perspective view of the second angle of the embodiment;

[0016] Figure 4 A front view of the embodiment;

[0017] Figure 5 A perspective view of the cooperation of the movable end cover, the movable limiting plate and the top plate of the embodiment.

[0018] In the figure: 1, fixed end cover; 2, movable end cover; 3, fixed limiting plate; 4, movable limiting plate; 5, top plate; 6, adjusting screw; 7, adjusting hole; 8, adjusting bolt; 9, connecting rod; 10, first mounting groove; 11, second mounting groove; 12, locking bolt; 13, clearance groove or clearance hole; 14, sheet. DETAILED DESCRIPTION

[0019] The advantages and features of the present application will be more apparent from the following detailed description of preferred embodiments of the present application, taken in conjunction with the accompanying drawings, so that the scope of the present application can be more clearly defined.

[0020] Referring to Figure 1 As shown in the figure, the embodiment discloses an assembly sheet welding clamp, which comprises: fixed end cover 1 and movable end cover 2 which are parallel to each other; fixed limiting plate 3 and movable limiting plate 4 which are arranged on the opposite end faces of fixed end cover 1 and movable end cover 2; a plurality of connecting rods 9 for connecting fixed end cover 1 and movable end cover 2, wherein the connecting rod 9 of the embodiment is provided with eight rods, and every two connecting rods 9 are connected around fixed end cover 1 and movable end cover 2 as a group, and the two ends of the plurality of connecting rods 9 are detachably connected with the periphery of fixed end cover 1 and the periphery of movable end cover 2, respectively; top plate 5 arranged between movable limiting plate 4 and movable end cover 2, and a plurality of adjusting screw rods 6 are arranged on movable end cover 2 and top plate 5 and penetrate both, and by rotating adjusting screw rod 6, top plate 5 can be moved towards movable limiting plate 4.

[0021] Among them, a plurality of adjusting holes 7 are arranged on each connecting rod 9, and the plurality of adjusting holes 7 are arranged on one end close to movable end cover 2, and the plurality of adjusting holes 7 are arranged uniformly, and movable end cover 2 is detachably connected with any one adjusting hole 7 through adjusting bolt 8.

[0022] Eight first mounting grooves 10 are arranged around movable end cover 2, the number of first mounting grooves 10 is consistent with the number of connecting rods 9, connecting rod 9 is inserted into corresponding first mounting groove 10, and is detachably connected through adjusting bolt 8. Correspondingly, eight second mounting grooves 11 are arranged around fixed end cover 1 in the embodiment, the number of second mounting grooves 11 is consistent with the number of connecting rods 9, connecting rod 9 is inserted into corresponding second mounting groove 11, and is detachably connected through locking bolt 12. Insertion connection facilitates the mounting connection of connecting rod 9 and fixed end cover 1 and movable end cover 2.

[0023] The fixed limiting plate 3 and the movable limiting plate 4 are matched in size with the shape surrounded by the plurality of connecting rods 9, the periphery side wall of the fixed limiting plate 3 and the movable limiting plate 4 is close to the connecting rod 9, the end face of the movable limiting plate 4 facing the top plate 5 is provided with a plurality of adjusting grooves or clearance holes 13, the plurality of adjusting grooves or clearance holes 13 correspond to the plurality of adjusting lead screws 6 one by one, and the end portion of each adjusting lead screw 6 can extend into the adjusting groove or clearance hole 13 corresponding thereto.

[0024] The end face of the fixed limiting plate 3 in the embodiment faces the plate piece and is provided with a profiling groove; and the end face of the movable limiting plate 4 facing the plate piece is a profiling plane.

[0025] In addition, the size of the top plate 5 is smaller than the size of the movable limiting plate 4, so that the top plate 5 can be adapted to any movable limiting plate 4.

[0026] The working principle of the embodiment is as follows:

[0027] Before welding, the square plate pieces 14 are put into the fixed limiting plate 3 of the fixed end cover 1 one by one along the eight connecting rods 9, and the periphery of the plate piece 14 is limited by the plurality of connecting rods 9; when all the plate pieces 14 are put in, the movable limiting plate 4 is installed, and then the movable end cover 2 is covered; first, the position of the adjusting hole 7 on the connecting rod 9 is selected according to the thickness of the plate piece 14, then the adjusting lead screw 6 is rotated to drive the movable limiting plate 4 to move towards the fixed limiting plate 3, and then the plurality of plate pieces 14 to be welded are pressed tightly; when welding, the connecting rods 9 on one face are disassembled, and the face is welded; when welding, the connecting rods 9 on three faces and the fixed limiting plate 3 and the movable limiting plate 4 at both ends limit the plate pieces 14, so that the plate pieces 14 do not dislocate with each other; after the face is welded, the corresponding two connecting rods 9 are installed, then the heat exchanger is turned over, the end face to be welded is turned over to face upwards, the corresponding two connecting rods on the face are disassembled, and then welded; after welding, the two connecting rods 9 are installed again, and the process is repeated until all the faces are welded.

[0028] The above embodiments are only for illustrating the technical concept and characteristics of the utility model, the purpose is to enable the person skilled in the art to understand the content of the utility model and implement it, and cannot limit the protection scope of the utility model, and equivalent changes or modifications made according to the spirit and essence of the utility model shall be covered in the protection scope of the utility model.

Claims

1. An assembly sheet welding fixture, characterized by: The utility model relates to a kind of plate welding fixture, including: Mutual parallel fixed end cover (1), movable end cover (2); Fixed limiting plate (3), movable limiting plate (4) are arranged in the opposite end surface of fixed end cover (1), movable end cover (2); A plurality of connecting rods (9) are used to connect fixed end cover (1), movable end cover (2), and the two ends of the plurality of connecting rods (9) are respectively detachably connected with the periphery of fixed end cover (1) and the periphery of movable end cover (2); Top plate (5) is arranged between movable limiting plate (4) and movable end cover (2), and a plurality of adjusting lead screws (6) are arranged on movable end cover (2) and top plate (5) and pass through both, and by rotating adjusting lead screw (6), top plate (5) can be moved towards fixed limiting plate (3).

2. The panel assembly welding fixture of claim 1, wherein: A plurality of adjusting holes (7) are arranged on each connecting rod (9), and the plurality of adjusting holes (7) are uniformly arranged, and movable end cover (2) is detachably connected with any adjusting hole (7) by adjusting bolt (8).

3. The panel assembly welding fixture of claim 1, wherein: A plurality of first mounting grooves (10) are arranged around movable end cover (2), the number of first mounting grooves (10) is consistent with the number of connecting rods (9), connecting rods (9) are inserted into corresponding first mounting grooves (10), and are detachably connected by adjusting bolt (8).

4. The panel assembly welding fixture of claim 1, wherein: A plurality of second mounting grooves (11) are arranged around fixed end cover (1), the number of second mounting grooves (11) is consistent with the number of connecting rods (9), connecting rods (9) are inserted into corresponding second mounting grooves (11), and are detachably connected by locking bolt (12).

5. The panel assembly welding fixture of claim 1, wherein: The size of fixed limiting plate (3) and movable limiting plate (4) matches the shape surrounded by a plurality of connecting rods (9), and the periphery sidewall of fixed limiting plate (3) and movable limiting plate (4) is close to connecting rod (9).

6. The panel assembly welding fixture of claim 1, wherein: A plurality of adjusting grooves or clearance holes (13) are arranged on the end surface of movable limiting plate (4) facing top plate (5), the plurality of adjusting grooves or clearance holes (13) correspond to the plurality of adjusting lead screws (6) one by one, and the end of each adjusting lead screw (6) can extend into corresponding adjusting groove or clearance hole (13).

7. The plate welding fixture of claim 1, wherein: The end surface of fixed limiting plate (3) facing the plate is provided with a profiling groove; The end surface of movable limiting plate (4) facing the plate is a profiling plane.

8. The plate welding fixture of claim 1, wherein: The size of top plate (5) is smaller than the size of movable limiting plate (4).

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