A precise positioning accumulator assembly welding device

Abstract

This invention provides a precise positioning accumulator welding device, relating to the field of positioning devices for accumulator welding. The precise positioning accumulator welding device includes a frame, a positioning component, and a pressing component. The frame has positioning holes for inserting a half-shell. The positioning component includes a locking ring and a locking nut fitted onto the half-shell. The inner hole of the locking ring is tapered, and its cross-section gradually increases towards the base. The locking nut includes a positioning plate and several teeth on the bottom surface of the positioning plate. Each tooth is evenly spaced around the axis of the half-shell and inserted into the inner hole of the locking ring. The pressing component includes a linear power output unit fixed to the frame, a locking ring clamping member fixed to the output end of the linear power output unit, and a half-shell clamping member supported by an elastic member on the output end of the linear power output unit. The precise positioning accumulator welding device of this invention can improve the positioning accuracy of the half-shell during welding.

Description

Technical Field

[0001] This invention relates to the technical field of positioning devices for accumulator welding, and more specifically, to a precise positioning accumulator assembly welding device. Background Technology

[0002] During the assembly and welding of the two half-shells of the accumulator, misalignment can easily occur due to machining deviations in the gas and liquid end shells and welding thermal deformation. Subsequently, during electron beam rotary welding, the weld surface cannot be guaranteed to be completely on the same plane as the plate rotates, resulting in uneven weld penetration. This compromises product quality, reduces yield, and, if scrap occurs, renders all components within the assembly unusable, causing significant resource waste and increasing manufacturing costs. Summary of the Invention

[0003] To address this, the present invention proposes a precise accumulator assembly welding device to improve the positioning accuracy of the two half-shells.

[0004] The technical solution of the present invention is as follows: A precise positioning accumulator assembly welding device, comprising: A frame, on which a base is fixed, and a positioning hole is provided on the top surface of the base. The positioning hole is used for inserting the half-shell, and the bottom surface of the positioning hole is used to abut against the welding surface of the half-shell. The positioning assembly includes a locking ring and a locking nut respectively fitted onto the half-shell; the inner hole of the locking ring is tapered, and the cross-section of the inner hole of the locking ring gradually increases towards the base; the locking nut includes a positioning plate and a plurality of teeth disposed on the bottom surface of the positioning plate; each of the teeth is evenly and spaced around the axis of the half-shell, and each of the teeth is inserted into the inner hole of the locking ring; The pressing assembly includes a linear power output unit fixed to the frame, a locking ring clamping member fixed to the output end of the linear power output unit, and a semi-shell clamping member supported on the output end of the linear power output unit via an elastic member. When the semi-shell pressing member and the locking ring pressing member are driven downward by the linear power output unit, the semi-shell pressing member first contacts the semi-shell and presses the semi-shell tightly onto the base, and then the locking ring pressing member presses down on the locking ring so that the inner hole of the locking ring pushes each of the teeth and clamps the semi-shell tightly.

[0005] Furthermore, the frame includes a base plate, several columns, and a top plate; the bottom end of each column is fixedly mounted on the base plate, and the top plate is fixedly mounted on the other end of each column; the base is fixedly mounted on the upper side of the base plate, and the linear power output unit is fixedly mounted on the top plate.

[0006] Furthermore, the locking ring pressing member includes a circular connecting plate fixed to the output end of the linear power output unit, and a sleeve fixed to the lower side of the connecting plate and coaxial with the connecting plate. When the locking ring pressing member moves down with the output end of the linear power output unit, the bottom end face of the sleeve abuts against the locking ring.

[0007] Furthermore, the semi-shell pressing member includes a guide sleeve fixed to the lower end face of the connecting plate, and a pressure plate slidably disposed in the inner hole of the guide sleeve for abutting against the semi-shell, wherein the elastic member abuts against the bottom surface of the inner hole of the guide sleeve and the pressure plate.

[0008] Furthermore, a limiting ring is fixed on the inner wall of the guide sleeve on the side of the pressure plate where the elastic element is located. The limiting ring can be used to block the movement of the pressure plate to limit the movement distance of the pressure plate.

[0009] Furthermore, the elastic element is a compression spring.

[0010] Furthermore, the positioning plate is frustoconical in shape, and its cross-section gradually increases towards the base.

[0011] The working principle and beneficial effects of this invention are as follows: The accumulator assembly welding device with precise positioning provided by the present invention can conveniently fix a positioning component for welding positioning on the half shell to be welded, thereby improving the positioning accuracy during the welding of the half shell and reducing the risk of parts being scrapped due to welding failure. Attached Figure Description

[0012] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0013] Figure 1 A schematic diagram of the overall structure of the accumulator welding device with precise positioning provided in an embodiment of the present invention; Figure 2 for Figure 1 A magnified view of a section at point A in the middle; Figure 3 for Figure 1 A magnified view of a section at point B in the middle; Figure 4 This is a schematic diagram of the positioning of a half-shell with a fixed positioning component on a welding support, provided in an embodiment of the present invention.

[0014] In the diagram: 100, frame; 110, base plate; 120, column; 130, top plate; 200, positioning assembly; 210, locking ring; 220, locking nut; 221, positioning plate; 222, clamping tooth; 300, pressing assembly; 310, linear power output unit; 320, half-shell pressing component; 321, guide sleeve; 322, pressure plate; 330, locking ring pressing component; 331, connecting plate; 332, sleeve; 323, limiting ring; 340, elastic element; 400, half-shell; 500, base; 501, positioning hole; 600, welding support; 700, the other half-shell. Detailed Implementation

[0015] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0016] This invention provides a precise positioning accumulator welding device, for reference. Figure 1 As shown, it includes a frame 100, a positioning component 200, and a pressing component 300. A base 500 is fixed on the frame 100, and a positioning hole 501 is formed on the top surface of the base 500. The positioning hole 501 is used for the insertion of the half shell 400, and the bottom surface of the positioning hole 501 is used to abut against the welding surface of the half shell 400.

[0017] The positioning assembly 200 includes a locking ring 210 and a locking nut 220 respectively fitted onto the semi-shell 400. The inner hole of the locking ring 210 is tapered, and the cross-section of the inner hole of the locking ring 210 gradually increases towards the base 500. The locking nut 220 includes a positioning plate 221 and a plurality of teeth 222 disposed on the bottom surface of the positioning plate 221. Each tooth 222 is evenly spaced around the axis of the semi-shell 400 and is inserted into the inner hole of the locking ring 210. The pressing assembly 300 includes a linear power output unit 310 fixed on the frame 100, a locking ring clamping member 330 fixed on the output end of the linear power output unit 310, and a semi-shell clamping member 320 supported on the output end of the linear power output unit 310 by an elastic member 340.

[0018] Based on the above overall structure, in use, the precisely positioned accumulator welding device of this embodiment can be driven downward by the output end of the linear power output unit 310 to move the half-shell pressing member 320 and the locking ring pressing member 330 downward. When the half-shell pressing member 320 and the locking ring pressing member 330 move downward, the half-shell pressing member 320 first contacts the half-shell 400 and presses the half-shell 400 tightly onto the base 500. Subsequently, the output end of the linear power output unit 310 continues to move downward, the half-shell pressing member 320 is kept fixed by compressing the elastic member 340, while the locking ring pressing member 330 moves downward and presses down on the locking ring 210. Since the inner hole of the locking ring 210 is conical, the downward movement of the locking ring 210 will cause the inner wall of the inner hole of the locking ring 210 to press the teeth 222 inward, and the teeth 222 will hold the half-shell 400 tightly, thereby forming a coaxial fixation between the locking ring 210 and the locking nut 220 and the half-shell 400. Subsequently, the half-shell 400 can be welded and positioned using the positioning surface on the lock nut 220.

[0019] In terms of specific structure, refer to Figure 1 As shown, the frame 100 of this embodiment includes a base plate 110, a plurality of uprights 120, and a top plate 130. The base plate 110 is fixed to the bottom end of each upright 120, while the top plate 130 is fixed to the top end of each upright 120. The space between the base plate 110 and the top plate 130 forms a working space. The aforementioned base 500 is fixedly mounted on the base plate 110, and the linear power output unit 310 is fixedly mounted on the top plate 130. It should be noted that the fixing of the base plate 110 to each upright 120, and the fixing of the top plate 130 to the uprights 120, can refer to existing technology, and will not be elaborated further here.

[0020] refer to Figure 1 and Figure 2 As shown, the base 500 in this embodiment is a rectangular block that is fixedly mounted on the base plate 110. The positioning hole 501 is constructed on the top surface of the base 500. The half-shell 400 to be welded can be upside down and inserted into the positioning hole 501, and the welding surface of the half-shell 400 is in contact with the bottom surface of the positioning hole 501.

[0021] refer to Figure 1 and Figure 2As shown, the lock nut 220 of this embodiment includes a disc-shaped positioning plate 221 and a plurality of retaining teeth 222 disposed on the positioning plate 221. Each retaining tooth 222 is spaced apart circumferentially along the positioning plate 221, and in its natural state, each retaining tooth 222 extends outward at an angle away from the positioning plate 221. The lock ring 210 of this embodiment is annular, and its inner hole is conical, specifically with a structure that is smaller at the top and larger at the bottom. In the initial state, each retaining tooth 222 is inserted into the inner hole of the lock ring 210. When the lock ring 210 is pressed down and moves downward, the inner hole of the lock ring 210 pushes each retaining tooth 222 inward, and each retaining tooth 222 clamps the half-shell 400 to be welded, thus completing the fixation of the half-shell 400, the lock nut 220, and the lock ring 210.

[0022] refer to Figure 1 As shown, the locking ring pressing member 330 in this embodiment includes a circular connecting plate 331 fixed on the output end of the linear power output unit 310, and a sleeve 332 fixed on the lower side of the connecting plate 331 and coaxial with the connecting plate 331. When the locking ring pressing member 330 moves down with the output end of the linear power output unit 310, the bottom end face of the sleeve 332 abuts against the locking ring 210 so that the sleeve 332 presses down on the locking ring 210.

[0023] In this embodiment, the linear power output unit 310 is a cylinder. In some embodiments, it may also be a hydraulic cylinder or an electric push rod, etc.

[0024] A preferred structure of the semi-shell pressure member 320 in this embodiment is as follows: Figure 1 As shown, it includes a guide sleeve 321 fixed to the lower end face of the connecting plate 331, and a pressure plate 322 slidably disposed in the inner hole of the guide sleeve 321. An elastic element 340 abuts against the bottom surface of the inner hole of the guide sleeve 321 and the pressure plate 322. When the half-shell pressing element 320 moves downward, the pressure plate 322 presses the half-shell 400 to be welded. Subsequently, the pressure plate 322 can maintain the pressure on the half-shell 400 when the connecting plate 331 moves downward by compressing the elastic element 340.

[0025] refer to Figure 2 and Figure 3 As shown, on the side of the pressure plate 322 where the elastic element 340 is provided, a limiting ring 323 is fixed on the inner wall of the guide sleeve 321. The limiting ring 323 can be used to block the movement of the pressure plate 322, thereby limiting the movement distance of the pressure plate 322. That is, the limiting ring 323 constitutes a limit on the outward movement of the pressure plate 322. When the pressure plate 322 is pushed by the elastic element 340 and abuts against the limiting ring 323, the pressure plate 322 moves to the outermost position. In this embodiment, the elastic element 340 is a compression spring. In some embodiments, the elastic element 340 may also be other elastic components.

[0026] In this embodiment, reference Figure 1 and Figure 2 As shown, the positioning plate 221 is truncated cone-shaped, and its cross-section gradually increases towards the base 500.

[0027] Using the aforementioned precisely positioned accumulator welding device, after fixing the positioning component 200, i.e., the locking ring 210 and the locking nut 220, onto the semi-shell 400, as... Figure 4 As shown, the positioning plate 221 can be fixed and positioned on the welding support 600 to fix and position the half shell 400 to be welded. Then, the other half shell 700 can be precisely positioned and docked with the half shell 400 to be welded to facilitate subsequent precise welding.

[0028] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A precise positioning accumulator assembly welding device, characterized in that, include: A frame (100) is provided with a base (500) fixed on the frame (100). A positioning hole (501) is provided on the top surface of the base (500). The positioning hole (501) is used for the insertion of the half shell (400), and the bottom surface of the positioning hole (501) is used to abut against the welding surface of the half shell (400). The positioning assembly (200) includes a locking ring (210) and a locking nut (220) respectively fitted onto the half-shell (400); the inner hole of the locking ring (210) is tapered, and the cross-section of the inner hole of the locking ring (210) gradually increases towards the base (500); the locking nut (220) includes a positioning plate (221) and a plurality of teeth (222) provided on the bottom surface of the positioning plate (221); each of the teeth (222) is evenly and spaced around the axis of the half-shell (400), and each of the teeth (222) is inserted into the inner hole of the locking ring (210); The pressing assembly (300) includes a linear power output unit (310) fixed to the frame (100), a locking ring clamp (330) fixed to the output end of the linear power output unit (310), and a semi-shell clamp (320) supported on the output end of the linear power output unit (310) via an elastic member (340). When the semi-shell pressing member (320) and the locking ring pressing member (330) are driven downward by the linear power output unit (310), the semi-shell pressing member (320) first contacts the semi-shell (400) and presses the semi-shell (400) tightly onto the base (500), and the locking ring pressing member (330) then presses down on the locking ring (210) so that the inner hole of the locking ring (210) pushes each of the teeth (222) and holds the semi-shell (400).

2. The precise positioning accumulator welding device according to claim 1, characterized in that, The frame (100) includes a base plate (110), several columns (120) and a top plate (130); the bottom end of each column (120) is fixedly mounted on the base plate (110), and the top plate (130) is fixedly mounted on the other end of each column (120); the base (500) is fixedly mounted on the upper side of the base plate (110), and the linear power output unit (310) is fixedly mounted on the top plate (130).

3. The precise positioning accumulator welding device according to claim 1, characterized in that, The locking ring pressure member (330) includes a circular connecting plate (331) fixed on the output end of the linear power output unit (310), and a sleeve (332) fixed on the lower side of the connecting plate (331) and coaxial with the connecting plate (331). When the locking ring pressure member (330) moves down with the output end of the linear power output unit (310), the bottom end face of the sleeve (332) abuts against the locking ring (210).

4. The precise positioning accumulator welding device according to claim 3, characterized in that, The semi-shell pressure member (320) includes a guide sleeve (321) fixed to the lower end face of the connecting plate (331), and a pressure plate (322) slidably disposed in the inner hole of the guide sleeve (321) for abutting against the semi-shell (400). The elastic member (340) abuts between the bottom surface of the inner hole of the guide sleeve (321) and the pressure plate (322).

5. The precise positioning accumulator welding device according to claim 4, characterized in that, On the side of the pressure plate (322) where the elastic element (340) is located, a limiting ring (323) is fixed on the inner wall of the guide sleeve (321). The limiting ring (323) can be used to block the movement of the pressure plate (322) to limit the movement distance of the pressure plate (322).

6. The precise positioning accumulator welding device according to claim 4, characterized in that, The elastic element (340) is a compression spring.

7. The accumulator assembly welding device with precise positioning according to any one of claims 1 to 6, characterized in that, The positioning plate (221) is frustoconical, and its cross-section gradually increases towards the base (500).

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