A positioning assembly for capacitor production

Abstract

This utility model relates to the field of capacitor manufacturing technology, and more particularly to a positioning component for capacitor production. It includes a spot welding machine with a positioning platform mounted on it. A limiting frame is fixed to the positioning platform, and a rubber airbag column is installed inside the limiting frame. The rubber airbag column is filled with water-based magnetorheological fluid. An electromagnetic plate is installed in a mounting groove on the positioning platform, and the electromagnetic plate is located below the rubber airbag column. This utility model places capacitors of different structures inside the rubber airbag column. The irregularly shaped capacitor expands the rubber airbag column, causing the magnetorheological fluid inside to flow until the rubber airbag column adapts to its shape and encloses it. When the electromagnetic plate is energized, a magnetic field is generated, causing the magnetorheological fluid inside the rubber airbag column to change from a Newtonian fluid to a Bingham fluid. This clamps and fixes the irregularly shaped capacitor, preventing it from shaking or shifting during spot welding, which would affect processing accuracy.

Description

Technical Field

[0001] This utility model relates to the field of capacitor manufacturing technology, and in particular to a positioning component for capacitor manufacturing. Background Technology

[0002] For example, Chinese Patent No. CN222440373U discloses a positioning device for capacitor production and processing. By using the cooperation of a motor, a threaded cylinder and a threaded rod, the threaded rod moves inside the threaded cylinder, while the metal plate drives the sliding rod to move. The sliding rod also pushes the second clamping plate closer to the capacitor. At this time, the cooperation of the first clamping plate and the second clamping plate facilitates the clamping and positioning of the capacitor. Subsequently, the cooperation of the spring and the push plate helps to relieve the pressure on the first clamping plate and the capacitor.

[0003] However, the aforementioned equipment uses springs to alleviate the squeezing force on the capacitor during clamping and fixing. But during spot welding, the elasticity of the springs can cause the capacitor to wobble and shift when subjected to impact and vibration, resulting in weld point misalignment and incomplete welding, which significantly reduces the product qualification rate. In addition, the clamping structure of the device is relatively fixed and it is difficult to adapt to various irregularly shaped capacitors (such as square, waist-shaped, polygonal, etc.). Its applicability is greatly limited when dealing with processing objects of different shapes and sizes. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a positioning component for capacitor production. It solves the technical problems of existing technologies that use springs to alleviate the squeezing force, but are also susceptible to displacement due to impact and vibration during processing due to the elastic characteristics of the springs, which affects processing accuracy and makes it difficult to adapt to capacitors with irregular structures, resulting in a narrow range of applications.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a positioning component for capacitor production, including a spot welding machine, a positioning platform installed on the spot welding machine, a limiting frame fixedly connected to the positioning platform, a rubber airbag column installed inside the limiting frame, a water-based magnetorheological fluid filled inside the rubber airbag column, an electromagnetic plate installed in a mounting groove on the positioning platform, and the electromagnetic plate being located below the rubber airbag column, a liquid storage component for supplying and collecting liquid from the rubber airbag column being provided on the positioning platform, a cooling component for preventing the electromagnetic plate and magnetorheological fluid from heating up being provided on the positioning platform, and a lifting component for vertically transporting capacitors being provided below the positioning platform.

[0006] A further improvement is that the rubber airbag column is a hollow cylindrical structure, the inner surface of the rubber airbag column is coated with a polytetrafluoroethylene film layer, and a nylon mesh reinforcement layer is provided on its top.

[0007] A further improvement is that the liquid storage assembly includes a liquid storage airbag installed on the rear side of the positioning platform, a connecting tube extending into the rubber airbag column at its end is installed on the liquid storage airbag, and a valve is installed on the connecting tube.

[0008] A further improvement is that the cooling assembly includes a liquid storage box installed on the side of the positioning platform, a micro water pump installed on the liquid storage box, a delivery pipe installed at the interface of the micro water pump, a serpentine heat exchange channel opened in the limiting frame, and the top interface of the serpentine heat exchange channel connected to the delivery pipe. An annular cooling pipe is installed at the bottom of the positioning platform and below the electromagnetic plate. An extension pipe extending into the annular cooling pipe is installed at the end of the serpentine heat exchange channel, and a return pipe extending into the liquid storage box is installed on the other side of the annular cooling pipe.

[0009] A further improvement is that the liquid storage box is filled with coolant, and heat sinks are installed on the side of the liquid storage box.

[0010] A further improvement is that the lifting assembly includes an electric lifting rod installed on the bottom crossbeam of the positioning platform, a lifting plate installed on the top of the electric lifting rod, and the lifting plate is slidably disposed in a sliding hole opened in the center of the positioning platform.

[0011] By employing the above technical solution, this utility model provides a positioning component for capacitor production, which has at least the following beneficial effects:

[0012] 1. This utility model places capacitors of different structures inside a rubber airbag column. The irregularly shaped capacitor expands the rubber airbag column and drives the magnetorheological fluid inside to flow until the rubber airbag column adapts to its shape and wraps it. When the electromagnetic plate is energized, a magnetic field is generated, which causes the magnetorheological fluid inside the rubber airbag column to change from a Newtonian fluid to a Bingham fluid, thereby clamping and fixing the irregularly shaped capacitor. This prevents it from shaking or shifting due to impact during spot welding, which would affect the processing accuracy.

[0013] 2. This utility model uses an electric lifting rod to drive the lifting plate to rise along the sliding hole, thereby vertically lifting the capacitor from inside the rubber airbag column. This avoids uneven force when manually handling the capacitor, which could cause the capacitor to tilt. In addition, the inside of the rubber airbag column is coated with a polytetrafluoroethylene film layer, which has wear-resistant properties, reducing friction loss and lowering insertion and removal resistance.

[0014] 3. This utility model uses a micro water pump to pump coolant through a delivery pipe into a serpentine heat exchange channel, thereby cooling the magnetorheological fluid inside the rubber airbag column and preventing its temperature from rising and causing changes in its rheological properties. Then, the coolant flows through an extension pipe into an annular cooling pipe to cool the electromagnetic plate. After heat exchange, the coolant flows back into the storage box through a return pipe, so that it can be recycled for cooling. Attached Figure Description

[0015] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0016] In the attached diagram:

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a side view of the positioning platform and its upper structure of the present invention;

[0019] Figure 3 This is a cross-sectional schematic diagram of the positioning platform and its upper structure of the present invention;

[0020] Figure 4 This is a side-view disassembled schematic diagram of a partial structure on the positioning platform of this utility model.

[0021] In the diagram: 1. Spot welding machine; 2. Positioning table; 3. Limiting frame; 4. Rubber airbag column; 41. Polytetrafluoroethylene film layer; 42. Nylon mesh reinforcement layer;

[0022] 5. Electromagnetic plate;

[0023] 6. Liquid storage assembly; 61. Liquid storage gasbag; 62. Connecting pipe; 63. Valve;

[0024] 7. Cooling components; 71. Liquid reservoir; 72. Miniature water pump; 73. Infusion tubing; 74. Serpentine heat exchange channel; 75. Annular cooling tube; 76. Extension tube; 77. Return tube; 78. Heat sink;

[0025] 8. Lifting assembly; 81. Electric lifting rod; 82. Lifting plate. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1

[0028] Current technologies use springs to alleviate compressive force, but these methods are susceptible to displacement due to spring elasticity and impacts during processing, affecting machining accuracy. Furthermore, they are difficult to adapt to irregularly shaped capacitors, limiting their applicability. This embodiment provides a positioning component for capacitor production that can adapt to various irregularly shaped capacitors, providing stable clamping and fixing without shaking or displacement that could affect machining accuracy. Please refer to... Figures 1-4 The positioning assembly for capacitor production includes a spot welding machine 1, a positioning platform 2 mounted on the spot welding machine 1, a limiting frame 3 fixedly connected to the positioning platform 2, a rubber airbag column 4 installed inside the limiting frame 3, the rubber airbag column 4 filled with water-based magnetorheological fluid, an electromagnetic plate 5 installed in a mounting groove on the positioning platform 2, with the electromagnetic plate 5 located below the rubber airbag column 4, a liquid storage assembly 6 provided on the positioning platform 2 for supplying and collecting liquid from the rubber airbag column 4, a cooling assembly 7 provided on the positioning platform 2 to prevent the electromagnetic plate 5 and the magnetorheological fluid from overheating, and a [missing information - likely a design element] located below the positioning platform 2. The lifting assembly 8, which vertically transports capacitors, places capacitors of different structures inside the rubber airbag column 4. At this time, the irregularly shaped capacitor expands the rubber airbag column 4 and drives the magnetorheological fluid inside it to flow until the rubber airbag column 4 adapts to its shape and wraps it. Then, the electromagnetic plate 5 is energized to generate a magnetic field, which causes the magnetorheological fluid inside the rubber airbag column 4 to change from a Newtonian fluid to a Bingham fluid, thereby clamping and fixing the irregularly shaped capacitor and preventing it from shaking or shifting due to impact during spot welding, which would affect the processing accuracy.

[0029] Because the rubber airbag column 4 may bulge at the top when squeezed, making it difficult to perform spot welding on the capacitors, the rubber airbag column 4 in this device has a hollow cylindrical structure. The inner surface of the rubber airbag column 4 is coated with a polytetrafluoroethylene film layer 41, and a nylon mesh reinforcement layer 42 is provided at the top. The nylon mesh reinforcement layer 42 enhances the strength of the top of the rubber airbag column 4, so that the magnetorheological fluid inside the rubber airbag column 4 flows preferentially into the liquid storage component 6, rather than squeezing the top of the rubber airbag column 4 and causing it to bulge.

[0030] Since uneven force may cause the capacitor to tilt when it is manually removed from the rubber airbag column 4 after spot welding, the device is also equipped with a lifting assembly 8. The lifting assembly 8 includes an electric lifting rod 81 installed on the bottom crossbeam of the positioning platform 2. A lifting plate 82 is installed on the top of the electric lifting rod 81 and slides in a sliding hole opened in the center of the positioning platform 2. After the capacitor is spot welded, the electric lifting rod 81 is activated to drive the lifting plate 82 to rise along the sliding hole, thereby vertically lifting the capacitor from the rubber airbag column 4. This avoids uneven force when manually removing the capacitor, which may cause the capacitor to tilt. In addition, the rubber airbag column 4 is coated with a polytetrafluoroethylene film layer 41, which has wear-resistant properties, reducing friction loss and reducing insertion and removal resistance.

[0031] Example 2

[0032] Because placing the capacitor inside the rubber airbag column 4 compresses the magnetorheological fluid, causing severe deformation of the rubber airbag column 4, therefore, based on Example 1, as... Figures 1-4 As shown, the device is also equipped with a liquid storage assembly 6, which includes a liquid storage airbag 61 installed on the rear side of the positioning platform 2. A connecting pipe 62 extending into the rubber airbag column 4 is installed on the liquid storage airbag 61. A valve 63 is installed on the connecting pipe 62. When the irregularly shaped capacitor is placed in the rubber airbag column 4, the valve 63 is opened. As the capacitor squeezes the rubber airbag column 4, the magnetorheological fluid inside it flows into the liquid storage airbag 61 through the connecting pipe 62, thereby preventing the rubber airbag column 4 from being severely deformed by the magnetorheological fluid that has nowhere to flow.

[0033] Because the electromagnetic plate 5 generates heat when energized for a long time, the heat is transferred to the magnetorheological fluid inside the rubber airbag column 4, causing a change in its rheological properties. Therefore, the device is also equipped with a cooling component 7. The cooling component 7 includes a liquid storage box 71 installed on the side of the positioning platform 2. A micro water pump 72 is installed on the liquid storage box 71. An infusion pipe 73 is installed at the interface of the micro water pump 72. A serpentine heat exchange channel 74 is opened in the limiting frame 3, and the top interface of the serpentine heat exchange channel 74 is connected to the infusion pipe 73. An annular cooling pipe 75 is installed at the bottom of the positioning platform 2 and below the electromagnetic plate 5. An extension pipe 76 extending into the annular cooling pipe 75 is installed at the end of the serpentine heat exchange channel 74. A return pipe 77 extending into the liquid storage box 71 is installed on the other side of the annular cooling pipe 75.

[0034] The reservoir 71 is filled with coolant, and a heat sink 78 is installed on the side of the reservoir 71. When the micro water pump 72 is started, the coolant in the reservoir 71 is pumped into the delivery pipe 73, and then flows into the serpentine heat exchange channel 74 in the limiting frame 3, thereby cooling the magnetorheological fluid in the rubber airbag column 4 to prevent its temperature from rising and causing changes in its rheological properties. Then, the coolant flows into the annular cooling pipe 75 through the extension pipe 76, thereby cooling the electromagnetic plate 5. After heat exchange, the coolant flows back into the reservoir 71 through the return pipe 77, and is cooled by the heat sink 78, so that it can be recycled for cooling, thereby improving the cooling efficiency.

[0035] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled 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 present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning assembly for capacitor production, comprising a spot welding machine (1), characterized in that: The spot welding machine (1) is equipped with a positioning platform (2), a limiting frame (3) is fixed on the positioning platform (2), a rubber airbag column (4) is installed in the limiting frame (3), the rubber airbag column (4) is filled with water-based magnetorheological fluid, an electromagnetic plate (5) is installed in the mounting groove on the positioning platform (2), and the electromagnetic plate (5) is located below the rubber airbag column (4), a liquid storage component (6) is provided on the positioning platform (2) for supplying and collecting liquid to the rubber airbag column (4), a cooling component (7) is provided on the positioning platform (2) to prevent the electromagnetic plate (5) and the magnetorheological fluid from heating up, and a lifting component (8) for vertically conveying capacitors is provided below the positioning platform (2).

2. A positioning component for capacitor production according to claim 1, characterized in that: The rubber airbag column (4) is a hollow column structure. The inner surface of the rubber airbag column (4) is coated with a polytetrafluoroethylene film layer (41), and a nylon mesh reinforcement layer (42) is provided on its top.

3. A positioning component for capacitor production according to claim 1, characterized in that: The liquid storage assembly (6) includes a liquid storage airbag (61) installed on the rear side of the positioning platform (2), and a connecting tube (62) with its end extending into the rubber airbag column (4) is installed on the liquid storage airbag (61), and a valve (63) is installed on the connecting tube (62).

4. A positioning component for capacitor production according to claim 1, characterized in that: The cooling assembly (7) includes a liquid storage box (71) installed on the side of the positioning platform (2), a micro water pump (72) installed on the liquid storage box (71), an infusion pipe (73) installed at the interface of the micro water pump (72), a serpentine heat exchange channel (74) is opened in the limiting frame (3), and the top interface of the serpentine heat exchange channel (74) is connected to the infusion pipe (73). An annular cooling pipe (75) is installed at the bottom of the positioning platform (2) and below the electromagnetic plate (5). An extension pipe (76) extending into the annular cooling pipe (75) is installed at the end of the serpentine heat exchange channel (74), and a return pipe (77) extending into the liquid storage box (71) is installed on the other side of the annular cooling pipe (75).

5. A positioning component for capacitor production according to claim 4, characterized in that: The liquid storage box (71) is filled with coolant, and heat sinks (78) are installed on the side of the liquid storage box (71).

6. A positioning component for capacitor production according to claim 1, characterized in that: The lifting assembly (8) includes an electric lifting rod (81) installed on the bottom crossbeam of the positioning platform (2), and a lifting plate (82) is installed on the top of the electric lifting rod (81), and the lifting plate (82) is slidably placed in the sliding hole opened in the center of the positioning platform (2).

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