Cover plate riveting device of bolt capacitor

Abstract

The utility model relates to the technical field of bolt capacitor production, in particular to a cover plate riveting device of a bolt capacitor. The cover plate riveting device of the bolt capacitor comprises a machine frame, a machine table is arranged on the machine frame, a rotating disc is installed on the machine table, a pressing mechanism and a welding mechanism which are connected with the machine frame are arranged above the rotating disc, and a plurality of sets of core package positioning seats and cover plate positioning seats matched with the core package positioning seats are installed on the rotating disc. A cover plate positioning seat is installed on the machine table, a positioning hole is formed in the cover plate positioning seat, the positioning hole corresponds to a cover plate leading-out end bolt, a driving mechanism is installed at the bottom of the rotating disc, and the driving mechanism is located below the machine table and connected with the machine frame, so that riveting and welding of a bolt capacitor can be carried out at the same time, and the production efficiency is effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of bolt capacitor manufacturing technology, specifically to a cover plate riveting device for bolt capacitors. Background Technology

[0002] Bolted capacitors mainly consist of an epoxy resin cover plate, a battery cell, conductive foil strips, and an electrolyte. The battery cell has two protruding conductive foil strips, which serve as the positive and negative terminals of the epoxy resin plate screw posts, respectively. The installation of bolted capacitors relies primarily on the exposed screw posts of the epoxy resin plate for connection.

[0003] Riveting, or rivet connection, is a mechanical term referring to a method of connecting multiple parts by using axial force to thicken the rivet shank inside the rivet hole and form a rivet head. Currently, in the production process of bolt capacitors, it is necessary to rivet the lead pin to the aluminum foil. Existing capacitor lead pin riveting devices cannot be adjusted well according to needs and have low stability during use; moreover, the current method of dry riveting often results in a loose connection between the lead pin and the aluminum foil.

[0004] Therefore, there is an urgent need to design and manufacture a cover plate riveting device for bolted capacitors to meet the needs of practical use. Utility Model Content

[0005] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a cover plate riveting device for bolt capacitors.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A cover plate riveting device for a bolted capacitor includes a frame, a machine platform on the frame, a turntable mounted on the machine platform, a pressing mechanism and a welding mechanism connected to the frame above the turntable, multiple sets of core package positioning seats and cover plate positioning seats matching the core package positioning seats are mounted on the turntable, positioning holes are opened on the cover plate positioning seats, the positioning holes correspond to the bolts at the lead-out ends of the cover plate, and a driving mechanism is mounted at the bottom of the turntable, the driving mechanism is located below the machine platform and connected to the frame.

[0007] Furthermore, the pressing mechanism includes a hydraulic cylinder, the output end of which is provided with a slider, and a pressure rod is connected to the slider, the pressure rod corresponding to the bolt.

[0008] Furthermore, a limit block is connected to the slider, the limit block is connected to the output end of the hydraulic cylinder, and a guide rod is connected to the limit block.

[0009] Furthermore, the guide rod includes two rods, which are symmetrically arranged on both sides of the limiting block.

[0010] Furthermore, a support frame is connected to the machine base, and the support frame is equipped with a slide rail that matches the slider.

[0011] Furthermore, the welding mechanism includes a laser mounted on the frame, the laser having a protective cover that corresponds to the cover plate positioning seat.

[0012] Furthermore, it also includes a cooling mechanism, which is installed above the turntable and corresponds to the cover plate positioning seat.

[0013] Furthermore, the cooling mechanism includes an air guide shroud, on which an air guide pipe is connected, and the air guide pipe is connected to the frame.

[0014] Furthermore, a moving mechanism and a positioning mechanism are provided at the bottom of the frame, and the moving mechanism and the positioning mechanism are arranged opposite to each other.

[0015] Furthermore, the moving mechanism is a pulley; the positioning mechanism includes a fixed column, and a pad is connected to the bottom of the fixed column.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] 1. This application installs a turntable on the machine base, and installs multiple sets of core package positioning seats and cover plate positioning seats that match the core package positioning seats on the turntable. A pressing mechanism and a welding mechanism connected to the machine frame are provided above the turntable, thereby enabling the riveting and welding of bolt capacitors to be carried out simultaneously, effectively improving production efficiency.

[0018] 2. This application achieves a tight connection between the lead foil strip and the cover plate by laser welding, which completely fuses the lead foil strip and the cover plate together. It has the advantages of convenient operation, high work efficiency and stable product. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the cover plate riveting device of the bolt capacitor in a preferred embodiment of the present invention;

[0020] Figure 2 This is a front view of the cover plate riveting device of the bolt capacitor in a preferred embodiment of this utility model;

[0021] Figure 3 This is a side view of the cover plate riveting device for the bolt capacitor in a preferred embodiment of the present invention, without a cover plate. Figure 1 ;

[0022] Figure 4 This is a side view of the cover plate riveting device for the bolt capacitor in a preferred embodiment of the present invention, without a cover plate. Figure 2 .

[0023] Reference numerals in the attached drawings: 1. Frame; 2. Machine base; 3. Turntable; 4. Positioning mechanism; 5. Pressing mechanism; 501. Hydraulic cylinder; 502. Slider; 503. Pressure rod; 504. Limiting block; 505. Guide rod; 6. Welding mechanism; 7. Core package positioning seat; 8. Cover plate positioning seat; 9. Support frame; 10. Cooling mechanism; 11. Moving mechanism. Detailed Implementation

[0024] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments.

[0025] Reference Figures 1-4 As shown in the preferred embodiment of this utility model, a cover plate riveting device for a bolted capacitor includes a frame 1, a machine platform 2 on the frame 1, a turntable 3 mounted on the machine platform 2, a pressing mechanism 5 and a welding mechanism 6 connected to the frame 1 above the turntable 3, multiple sets of core package positioning seats 7 and cover plate positioning seats 8 matching the core package positioning seats 7 are mounted on the turntable 3, and positioning holes are opened on the cover plate positioning seats 8, the positioning holes corresponding to the bolts at the lead-out ends of the cover plate, and a driving mechanism is mounted at the bottom of the turntable 3, the driving mechanism being located below the machine platform 2 and connected to the machine frame 1, thereby enabling simultaneous riveting and welding of the bolted capacitor, effectively improving production efficiency. Furthermore, laser welding completely fuses the core package lead foil strip and the bolts at the lead-out ends of the cover plate, achieving a tight connection between the lead foil strip and the cover plate.

[0026] As a preferred embodiment of this utility model, it may also have the following additional technical features: the pressing mechanism 5 includes a hydraulic cylinder 501, the output end of the hydraulic cylinder 501 is provided with a slider 502, a pressure rod 503 is connected to the slider 502, and the pressure rod 503 corresponds to the bolt. A limiting block 504 is connected to the slider 502, the limiting block 504 is connected to the output end of the hydraulic cylinder 501, and a guide rod 505 is connected to the limiting block 504. The guide rod 505 includes two rods, and the two guide rods 505 are symmetrically arranged on both sides of the limiting block 504. Thus, by placing the lead-out bolt on the cover plate into the positioning hole of the cover plate positioning seat 8, placing the core package on the core package positioning seat 7, and putting the lead foil strip of the core package onto the rivet of the cover plate bolt riveting end, the turntable 3 rotates the core package and the cover plate to directly below the pressing mechanism 5, and the oil cylinder 501 of the pressing mechanism 5 presses down to press the lead foil strip and the cover plate, so that the pressing mechanism can accurately press.

[0027] In this embodiment, a support frame 9 is connected to the machine base 1, and the support frame 9 is provided with a slide rail that matches the slider 502. This ensures the stability of the pressing mechanism during its downward movement.

[0028] In this embodiment, the welding mechanism 6 includes a laser mounted on the frame, and a protective cover is provided outside the laser. The protective cover corresponds to the cover plate positioning seat 8. This allows the core foil strip and the lead-out end bolts of the cover plate to be completely welded, achieving a tight connection between the foil strip and the cover plate.

[0029] In this embodiment, a cooling mechanism 10 is also included. The cooling mechanism is mounted above the turntable 3 and corresponds to the cover plate positioning seat 8. The cooling mechanism includes an air guide shroud with an air guide pipe connected to it, and the air guide pipe is connected to the frame 1. This allows the cover plate to cool down quickly, making it easy to remove.

[0030] In this embodiment, the bottom of the frame 1 is provided with a moving mechanism 11 and a positioning mechanism 4, which are arranged opposite to each other. The moving mechanism 11 is a pulley; the positioning mechanism 4 includes a fixing column, and a pad is connected to the bottom of the fixing column. This facilitates moving the riveting device to a suitable position and fixing it through the positioning mechanism.

[0031] The working principle of this utility model is as follows: The cover plate of the aluminum electrolytic capacitor is placed on the cover plate positioning seat 8, and the lead-out bolts on the cover plate are placed in the positioning holes of the cover plate positioning seat. The core package is placed on the core package positioning seat 7, and the lead foil strip of the core package is put on the rivet at the rivet end of the cover plate bolt. The turntable 3 rotates the core package and the cover plate to the direct below the pressing mechanism 5. The hydraulic cylinder 501 of the pressing mechanism 5 presses down to rivet the lead foil strip of the core package and the rivet at the rivet end of the cover plate bolt. After riveting, the turntable drives the core package positioning seat 8 and the cover plate positioning seat 7 to rotate to the direct below the laser welding emitting tube. The laser welding emitting tube welds the riveted part. After welding, the lead foil strip of the core package and the lead-out bolt of the cover plate are completely fused together, realizing the tight connection between the lead foil strip and the cover plate.

[0032] Without causing conflict, those skilled in the art can freely combine and use the above-mentioned additional technical features.

[0033] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A bolted capacitor cover plate riveting apparatus, characterized by: Including frame, the frame is equipped with machine table, the machine table is installed with rotating disc, the rotating disc top is equipped with with the frame is connected pressing mechanism, welding mechanism, the rotating disc is installed with multiple groups of core package positioning seat, with the core package positioning seat is matched cover positioning seat, the cover positioning seat is equipped with positioning hole, the positioning hole with the cover plate lead end bolt is corresponding, the rotating disc bottom is installed with drive mechanism, the drive mechanism is located below the machine table and is connected with the frame.

2. The bolted capacitor cover plate riveting apparatus of claim 1, wherein: The pressing mechanism includes an oil cylinder, the output end of the oil cylinder is provided with a sliding block, the sliding block is connected with a pressing rod, the pressing rod corresponds with the bolt.

3. The bolted capacitor cover plate riveting apparatus of claim 2, wherein: The sliding block is connected with a limiting block, the limiting block is connected with the output end of the oil cylinder, the limiting block is connected with a guide rod.

4. The bolted capacitor cover plate riveting apparatus of claim 3, wherein: The guide rod includes two, two guide rods are symmetrically arranged on both sides of the limiting block.

5. The bolted capacitor cover plate riveting apparatus of claim 2, wherein: The machine table is connected with a support frame, the support frame is provided with a sliding rail matched with the sliding block.

6. The bolted capacitor cover plate riveting apparatus of claim 1, wherein: The welding mechanism includes a laser installed on the frame, the laser is externally provided with a protective cover, the protective cover corresponds with the cover positioning seat.

7. The bolted capacitor cover plate riveting apparatus of claim 1, wherein: It also includes a cooling mechanism, the cooling mechanism is installed above the rotating disc, and corresponds with the cover positioning seat.

8. The bolted capacitor cover plate riveting apparatus of claim 7, wherein: The cooling mechanism includes a wind deflector, the wind deflector is connected with a wind guide pipe, the wind guide pipe is connected with the frame.

9. The bolted capacitor cover plate riveting apparatus of claim 1, wherein: The bottom of the frame is provided with a moving mechanism and a positioning mechanism, the moving mechanism and the positioning mechanism are oppositely arranged.

10. The bolted capacitor cover plate riveting apparatus of claim 9, wherein: The moving mechanism is a pulley; the positioning mechanism includes a fixed column, the bottom of the fixed column is connected with a gasket.

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