Alignment welding device for water-sealed tank

Abstract

The utility model discloses a water-sealed tank alignment welding device which comprises a bottom plate, tank body positioning mechanisms are evenly distributed on the periphery of the central axis of the bottom plate, a reinforcing plate is arranged on one side of the bottom plate, a rotating shaft is rotationally connected to the upper surface of the reinforcing plate, and a rotating mechanism for controlling the rotating shaft to rotate is arranged on one side of the rotating shaft. A top plate is arranged on the outer side face of the upper end of the rotating shaft, a hydraulic telescopic rod is arranged at the lower end of the top plate, the telescopic end of the hydraulic telescopic rod is connected with a fixing disc, the central axis of the fixing disc coincides with the central axis of the bottom plate, and end socket positioning mechanisms are evenly distributed on the periphery of the central axis of the fixing disc. According to the water-sealed tank alignment welding device, the alignment accuracy can be guaranteed when the tank body and the seal head of the water-sealed tank are welded, the leakage condition of the water-sealed tank is prevented, and the welding quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, concretely is a kind of water seal tank alignment welding device. BACKGROUND

[0002] Water seal tank is composed of tank body and head, and tank body and head are welded by ring, and the position of tank body and head needs to be aligned during welding to ensure welding quality.

[0003] During welding, tank body is erected, and then head is lifted by lifting mechanism to be aligned with tank body, and then ring welding is carried out, and the alignment process relies on manual discrimination, so it is difficult to accurately align tank body and head, thereby causing water seal tank to leak. SUMMARY

[0004] The utility model solves the technical problems to overcome the defects of prior art, provide a kind of water seal tank alignment welding device, can ensure the precision of the alignment of the tank body and head of water seal tank during welding, prevent the situation that water seal tank leaks, can effectively solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of water seal tank alignment welding device, including bottom plate, the center axis of the bottom plate is evenly distributed with tank body positioning mechanism, one side of the bottom plate is provided with reinforcing plate, the upper surface of the reinforcing plate is rotatably connected with pivot, the side of the pivot is provided with rotation mechanism to control its rotation, the upper end outer side of the pivot is provided with top plate, the lower end of the top plate is provided with hydraulic telescopic rod, the telescopic end of the hydraulic telescopic rod is connected with fixed disc, the center axis of the fixed disc coincides with the center axis of the bottom plate, the center axis of the fixed disc is evenly distributed with head positioning mechanism.

[0006] As a preferred technical scheme of the utility model, the number of the tank body positioning mechanism is four, and the four tank body positioning mechanisms are evenly distributed around the center axis of the bottom plate.

[0007] As a preferred technical scheme of the utility model, the tank body positioning mechanism includes fixed block, electric push rod, sliding block, groove and positioning strip, the groove is arranged on the upper surface of the bottom plate, the sliding block is slidably connected in the groove, the fixed block is arranged on one side of the groove, the electric push rod is arranged between the fixed block and the sliding block, and the positioning strip is fixed on one side of the sliding block.

[0008] As a preferred technical scheme of the utility model, the rotation mechanism includes driving motor, driving gear and driven gear, the driving motor is fixed on the upper surface of the reinforcing plate, the driving gear is fixed on the output shaft of the driving motor, the driven gear is fixed on the outer side of the pivot, and the driving gear is meshingly connected with the driven gear.

[0009] As a preferred embodiment of this utility model, the number of end cap positioning mechanisms is four, and the four end cap positioning mechanisms are evenly distributed around the central axis of the fixed disk.

[0010] As a preferred technical solution of this utility model, the end cap positioning mechanism includes a fixed plate, a screw, a positioning plate and a slide groove. The slide groove is disposed on the lower end face of the fixed plate, the positioning plate is slidably connected in the slide groove, the fixed plate is disposed on one side of the slide groove, the screw passes vertically through the fixed plate and is threadedly connected to the fixed plate, and one end of the screw is rotatably connected to the positioning plate through a bearing.

[0011] As a preferred embodiment of this utility model, the two sides of the slide groove are symmetrically provided with scales.

[0012] As a preferred technical solution of this utility model, a limiting plate I is provided on the outer side of the rotating shaft, and a limiting plate II is provided on the upper surface of the reinforcing plate. When the limiting plate I and the limiting plate II are in contact, the central axis of the fixing plate coincides with that of the base plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the water seal tank alignment welding device is reasonably designed and ingeniously conceived. The tank body can be positioned by setting a tank positioning mechanism on the bottom plate, and the end cap positioning mechanism is positioned by setting a head positioning mechanism at the lower end of the fixed plate. Since the tank body positioning mechanism is evenly distributed around the central axis of the bottom plate and the end cap positioning mechanism is evenly distributed around the central axis of the fixed plate, and the central axes of the bottom plate and the fixed plate coincide, the coaxiality of the end cap and the tank body is guaranteed, so that the end cap and the tank body are precisely connected, ensuring the welding quality. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is another structural schematic diagram of the present invention;

[0016] Figure 3 for Figure 1 Enlarged view of point A in the middle;

[0017] Figure 4 This is the front view of the present utility model.

[0018] In the diagram: 1. Base plate, 2. Tank positioning mechanism, 21. Fixing block, 22. Electric push rod, 23. Slider, 24. Groove, 25. Positioning strip, 3. Reinforcing plate, 4. Rotating shaft, 5. Rotating mechanism, 51. Drive motor, 52. Drive gear, 53. Driven gear, 6. Top plate, 7. Hydraulic telescopic rod, 8. Fixing disc, 9. Head positioning mechanism, 91. Fixing plate, 92. Screw, 93. Positioning plate, 94. Slide groove, 95. Scale, 10. Limiting plate I, 11. Limiting plate II. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments (for the convenience of description and understanding, the following is described with the upper side as the upper side). Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model. Figure 4

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a water seal tank alignment welding device, including bottom plate 1, the center axis of bottom plate 1 is evenly distributed with tank positioning mechanism 2, preferably, the number of tank positioning mechanism 2 is four, four tank positioning mechanism 2 is evenly distributed around the center axis of bottom plate 1, tank positioning mechanism 2 includes fixed block 21, electric push rod 22, sliding block 23, groove 24 and positioning strip 25, groove 24 is arranged on the upper surface of bottom plate 1, sliding block 23 is slidably connected in groove 24, one side of groove 24 is provided with fixed block 21, electric push rod 22 is arranged between fixed block 21 and sliding block 23, one side of sliding block 23 is fixed with positioning strip 25, by controlling four electric push rods 22 synchronous extension and contraction, tank body is fixed, while guaranteeing that the center axis of tank body coincides with the center axis of bottom plate 1;

[0021] One side of bottom plate 1 is provided with reinforcing plate 3, the upper surface of reinforcing plate 3 is rotatably connected with rotating shaft 4, one side of rotating shaft 4 is provided with rotating mechanism 5 for controlling its rotation, rotating mechanism 5 includes driving motor 51, driving gear 52 and driven gear 53, driving motor 51 is fixed on the upper surface of reinforcing plate 3, driving gear 52 is fixed on the output shaft of driving motor 51, driven gear 53 is fixed on the outer side of rotating shaft 4, driving gear 52 is meshingly connected with driven gear 53, by setting rotating mechanism 5, fixed disc 8 can be rotated to the other side when fixing head, it is convenient for the positioning operation of head, while giving space when tank body is positioned, it is convenient for worker to operate;

[0022] ​The upper end outer side of the rotating shaft 4 is provided with a top plate 6, the lower end of the top plate 6 is provided with a hydraulic telescopic rod 7, the telescopic end of the hydraulic telescopic rod 7 is connected with a fixed disc 8, the central axis of the fixed disc 8 coincides with the central axis of the bottom plate 1, the central axis of the fixed disc 8 is uniformly distributed with a head positioning mechanism 9, preferably, the number of the head positioning mechanism 9 is four, the four head positioning mechanisms 9 are uniformly distributed around the central axis of the fixed disc 8, the head positioning mechanism 9 comprises a fixed plate 91, a screw rod 92, a positioning plate 93 and a sliding groove 94, the sliding groove 94 is arranged on the lower end surface of the fixed disc 8, the positioning plate 93 is slidingly connected in the sliding groove 94, the fixed plate 91 is arranged on one side of the sliding groove 94, the screw rod 92 vertically penetrates through the fixed plate 91 and the screw rod 92 is threadedly connected with the fixed plate 91, one end of the screw rod 92 is rotationally connected with the positioning plate 93 through a bearing, the positioning plate 93 is controlled to move by rotating the screw rod 92, and then the head is positioned, in order to ensure that the head is fixed at the central position of the fixed disc 8, the two sides of the sliding groove 94 are symmetrically provided with scales 95, the extension positions of the four positioning plates 93 are ensured to be the same, and then the central axis of the head coincides with the central axis of the fixed disc 8, since the central axis of the fixed disc 8 coincides with the central axis of the bottom plate 1, the central axes of the head and the tank body are ensured to coincide, and the butt joint precision of the head and the tank body is ensured.

[0023] Further, in order to ensure that the head positioning mechanism 9 coincides with the central axis of the bottom plate 1 after the head is fixed and rotated through the rotating mechanism 5, the outer side of the rotating shaft 4 is provided with a limiting plate I 10, and the upper surface of the reinforcing plate 3 is provided with a limiting plate II 11, when the limiting plate I 10 contacts with the limiting plate II 11, the central axis of the fixed disc 8 coincides with the central axis of the bottom plate 1.

[0024] In order to reduce the pressure damage to the tank body and the head, one side of the positioning plate 93 and the positioning strip 25 is provided with an arc-shaped protrusion, the pressure damage to the tank body and the head is reduced through line contact.

[0025] In use: the rotating shaft 4 is controlled to rotate through the driving motor 51 and the meshing transmission of the driving gear 52 and the driven gear 53, and then the fixed disc 8 is rotated by 90°, the tank body is placed at the middle position of the four tank body positioning mechanisms 2, the tank body is clamped and fixed through the synchronous extension of the electric push rod 22, so that the central axis of the tank body coincides with the central axis of the bottom plate 1; the head is placed at the middle position of the four head positioning mechanisms 9, and then the extension distances of the screw rods 92 are controlled to be the same, the head is clamped and fixed, so that the central axis of the head coincides with the central axis of the fixed disc 8, finally the driving motor 51 is controlled to rotate reversely by 90°, so that the central axes of the head and the tank body coincide, and the butt joint precision of the tank body and the head is realized.

[0026] The utility model discloses can effectively guarantee the butt joint precision of head and tank body, guarantee the welding quality, through setting up rotation mechanism 5, the installation positioning of tank body and head is convenient, and it is convenient for worker to operate, and greatly improved the use convenience.

[0027] Although the embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A water sealed tank alignment welding apparatus, characterized by: The utility model provides a kind of can body positioning mechanism and end cover positioning mechanism, including bottom plate (1), the center axis of the bottom plate (1) is evenly distributed with can body positioning mechanism (2) around, the one side of the bottom plate (1) is provided with reinforcing plate (3), the upper surface of the reinforcing plate (3) is rotatably connected with rotating shaft (4), the one side of the rotating shaft (4) is provided with rotating mechanism (5) to control its rotation, the upper end outer side of the rotating shaft (4) is provided with top plate (6), the lower end of the top plate (6) is provided with hydraulic telescopic rod (7), the telescopic end of the hydraulic telescopic rod (7) is connected with fixed disc (8), the center axis of the fixed disc (8) coincides with the center axis of the bottom plate (1), the center axis of the fixed disc (8) is evenly distributed with end cover positioning mechanism (9) around.

2. A water sealed pot alignment welding apparatus as claimed in claim 1, wherein: The number of the can body positioning mechanism (2) is four, and the four can body positioning mechanisms (2) are uniformly distributed around the center axis of the bottom plate (1).

3. A water sealed pot alignment welding apparatus as claimed in claim 1 or 2, wherein: The can body positioning mechanism (2) includes a fixed block (21), an electric push rod (22), a sliding block (23), a groove (24), and a positioning strip (25), the groove (24) is arranged on the upper surface of the bottom plate (1), the sliding block (23) is slidably connected in the groove (24), the fixed block (21) is arranged on one side of the groove (24), the electric push rod (22) is arranged between the fixed block (21) and the sliding block (23), and the positioning strip (25) is fixed on one side of the sliding block (23).

4. A water sealed can alignment welding apparatus as defined in claim 1 wherein: The rotating mechanism (5) includes a driving motor (51), a driving gear (52), and a driven gear (53), the driving motor (51) is fixed on the upper surface of the reinforcing plate (3), the driving gear (52) is fixed on the output shaft of the driving motor (51), the driven gear (53) is fixed on the outer side of the rotating shaft (4), and the driving gear (52) is meshedly connected with the driven gear (53).

5. A water sealed can alignment welding apparatus as defined in claim 1 wherein: The number of the end cover positioning mechanism (9) is four, and the four end cover positioning mechanisms (9) are uniformly distributed around the center axis of the fixed disc (8).

6. A water sealed pot alignment welding apparatus as claimed in claim 1 or 5 wherein: The end cover positioning mechanism (9) includes a fixed plate (91), a screw rod (92), a positioning plate (93), and a sliding groove (94), the sliding groove (94) is arranged on the lower end surface of the fixed disc (8), the positioning plate (93) is slidably connected in the sliding groove (94), the fixed plate (91) is arranged on one side of the sliding groove (94), the screw rod (92) penetrates through the fixed plate (91) vertically and is threadedly connected with the fixed plate (91), and one end of the screw rod (92) is rotatably connected with the positioning plate (93) through a bearing.

7. A water sealed can alignment welding apparatus as defined in claim 6 wherein: The two sides of the sliding groove (94) are symmetrically provided with scales (95).

8. A water sealed can alignment welding apparatus as defined in claim 1 wherein: The outer side of the rotating shaft (4) is provided with a limiting plate I (10), the upper surface of the reinforcing plate (3) is provided with a limiting plate II (11), when the limiting plate I (10) contacts with the limiting plate II (11), the center axis of the fixed disc (8) coincides with the center axis of the bottom plate (1).

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