Aluminum electrolytic capacitor test sorting machine

Abstract

The invention relates to the technical field of capacitor testing, and provides an aluminum electrolytic capacitor testing and sorting machine which comprises a sorting rotary table, a rack and a plurality of U-shaped grooves, one U-shaped groove is used for feeding, the other U-shaped grooves are used for testing, a through groove is formed in the inner side face of each U-shaped groove, a placing plate penetrates through the through grooves, and the placing plates are arranged in the through grooves. A camera is arranged above the U-shaped groove used for feeding, mounting plates are arranged above the U-shaped groove used for testing, the mounting plates are used for mounting capacitor testing devices, each mounting plate is connected with a pair of electrode plates, the surface of the placing plate is rotatably connected with a movable circular plate, a second motor is arranged on the rack, and the movable circular plate is rotatably connected with the movable circular plate. An output shaft of the second motor is fixedly connected with an electromagnet, and a material collecting box is arranged below the U-shaped groove for testing; and the camera is used for collecting an image of the capacitor and identifying the positive electrode and the negative electrode of the capacitor, so that the positive electrode and the negative electrode on the capacitor correspond to the positions of the electrode plates, accurate alignment of the pins and the electrode plates is realized, and high efficiency and convenience are realized.

Description

Technical Field

[0001] The invention relates to the technical field of capacitor testing, and in particular to an aluminum electrolytic capacitor testing and sorting machine. Background Art

[0002] Aluminum electrolytic capacitor testing and sorting machines usually include a short-circuit detection device, a voltage detection device, and a leakage current detection device. The sorting machine has a feed position and a discharge position. The short-circuit detection device, the voltage detection device, and the leakage current detection device are sequentially arranged between the feed position and the discharge position on the machine body. At present, when loading, it is necessary to manually adjust the position of the positive pin and the negative pin on the capacitor to ensure that the pin can be connected to the electrode sheet for testing. The efficiency is low and the orientation adjustment is not accurate enough. In addition, all unqualified aluminum electrolytic capacitors cannot be automatically sorted separately at present, and unqualified capacitors of different items are easily mixed together, which is not convenient for subsequent improvement and research. Therefore, it is necessary to provide an aluminum electrolytic capacitor testing and sorting machine to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide an aluminum electrolytic capacitor testing and sorting machine, aiming to solve the problems mentioned in the background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an aluminum electrolytic capacitor testing and sorting machine, comprising a sorting turntable, a frame and a first motor, the first motor is used to drive the sorting turntable to rotate, a plurality of U-shaped grooves are arranged at the edge of the upper surface of the sorting turntable, one of the U-shaped grooves is used for loading, and the other U-shaped grooves are used for testing, a through groove is arranged on the inner side of the U-shaped groove, a placement plate passes through the through groove, a plurality of linear drive elements are installed on the bottom surface of the sorting turntable, the placement plate is connected to the telescopic end of the linear drive element, a conveyor belt is installed on the outer side of the U-shaped groove for loading, and a camera is arranged above the U-shaped groove for loading, and a mounting plate is arranged above the U-shaped groove for testing, and the mounting plate is used to install A capacitor testing device is installed, each mounting plate is connected with a pair of electrode sheets, the electrode sheets are electrically connected to the capacitor testing device, the surface of the placement plate is rotatably connected with a movable circular plate, a second motor is installed on the frame, an electromagnet is fixedly connected to the output shaft of the second motor, the electromagnet is in contact with the movable circular plate, and the movable circular plate is made of ferromagnetic material; an annular groove is arranged at the bottom edge of the sorting turntable, the annular groove is connected with the U-shaped groove, and a collection box is arranged under each U-shaped groove used for testing; the camera is used to collect capacitor images and identify the positive and negative electrodes of the capacitor, and the second motor is used to drive the movable circular plate to rotate so that the positive pin and the negative pin on the capacitor correspond to the positions of the electrode sheets.

[0005] As a further solution of the present invention, a plurality of the U-shaped grooves, mounting plates and linear drive elements are distributed in a circular array about the center line of the sorting turntable, five U-shaped grooves and five linear drive elements are provided, four mounting plates are provided, and the capacitor testing devices installed on the four mounting plates are respectively: a short circuit detection device, a voltage detection device, a capacitor charging device and a leakage current detection device.

[0006] As a further solution of the present invention, the test sorting machine also includes a processor and a controller, the processor is used to identify the positive and negative poles of the capacitor image captured by the camera, determine the angle of the line between the positive and negative poles, and determine the rotation angle of the movable circular plate according to the angle of the line between the positive and negative poles; the electromagnet, the first motor, the second motor, the linear drive element and the processor are all electrically connected to the controller.

[0007] As a further solution of the present invention, a guide arc plate is arranged above several of the U-shaped grooves for testing, and one of the guide arc plates runs through the gap between each pair of electrode sheets, and the width of the guide arc plate is equal to the spacing between the positive pin and the negative pin on the capacitor.

[0008] As a further solution of the present invention, the end of the guide arc plate facing the camera is wedge-shaped, and a plurality of second grooves are arranged on the side of the guide arc plate, the second grooves correspond one-to-one to the mounting plates, the second grooves are located on one side of the mounting plate, and the direction of the second grooves relative to the corresponding mounting plate is the same as the rotation direction of the sorting turntable.

[0009] As a further solution of the present invention, each pair of electrode sheets is in an eight-shape, and the direction of the end with a smaller spacing between each pair of electrode sheets relative to the end with a larger spacing is the same as the rotation direction of the sorting turntable, and the closest distance between the electrode sheet and the guide arc plate is equal to the diameter of the capacitor pin.

[0010] As a further solution of the present invention, the conveyor belt and the camera are both installed on a frame, the frame is connected to the collecting box, and a guide side plate is installed at the output end of the conveyor belt, and the guide side plate is used to guide the capacitor into the U-shaped groove for loading.

[0011] As a further solution of the present invention, the surface of the placement plate is connected with an arc-shaped baffle plate, the arc-shaped baffle plate is located on the inner side of the movable circular plate, and a first groove is provided at the outer edge of the placement plate.

[0012] As a further solution of the present invention, several of the mounting plates are connected via a connecting arc plate, the bottom surface of the mounting plate is connected to the top surface of the guide arc plate via a connecting column, and the connecting arc plate is connected to the collecting box via a fixing frame.

[0013] In summary, the beneficial effects of the present invention are:

[0014] By collecting capacitor images, the positive and negative electrodes of the capacitor are automatically identified, and the movable circular plate is rotated at a corresponding angle, so that the positive and negative electrodes on the capacitor correspond to the positions of the electrode sheets, and the pins and the electrode sheets are accurately aligned, which is efficient and convenient. In addition, each capacitor with abnormal test will be automatically discharged, and the capacitors of each abnormal item will be sorted separately, which is convenient for subsequent abnormal problem research and improvement. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0016] Figure 1 A schematic diagram of the three-dimensional structure of an aluminum electrolytic capacitor test and sorting machine according to an embodiment of the present invention Figure 1 .

[0017] Figure 2 A schematic diagram of the three-dimensional structure of an aluminum electrolytic capacitor test and sorting machine according to an embodiment of the present invention Figure 2 .

[0018] Figure 3 A schematic diagram of the three-dimensional structure of an aluminum electrolytic capacitor test and sorting machine according to an embodiment of the present invention Figure 3 .

[0019] Figure 4 The present invention is a partial three-dimensional structural schematic diagram of an aluminum electrolytic capacitor testing and sorting machine according to an embodiment of the present invention.

[0020] Figure 5 for Figure 2 A local enlarged schematic diagram of point A in the middle.

[0021] Figure 6 for Figure 3 A local enlarged schematic diagram of point B in the middle.

[0022] Figure 7 for Figure 3 A partial enlarged schematic diagram of point C in the middle.

[0023] Figure 8 for Figure 4 A partial enlarged schematic diagram of point D in the middle.

[0024] Figure markings: 1-sorting turntable, 2-frame, 3-U-shaped groove, 4-collection box, 5-conveyor belt, 6-camera, 7-guide side plate, 8-guide arc plate, 9-placing plate, 10-electrode sheet, 11-mounting plate, 12-connecting column, 13-connecting arc plate, 14-fixed frame, 15-second motor, 16-first motor, 17-annular groove, 18-linear drive element, 19-electromagnet, 20-movable circular plate, 21-arc baffle, 22-first groove, 23-through groove, 24-second groove. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 8An aluminum electrolytic capacitor testing and sorting machine provided by an embodiment of the present invention includes a sorting turntable 1, a frame 2 and a first motor 16. The first motor 16 is fixedly mounted on the frame 2. The output shaft of the first motor 16 is fixedly connected to the bottom surface of the sorting turntable 1. The first motor 16 is used to drive the sorting turntable 1 to rotate. A plurality of U-shaped grooves 3 are arranged at the edge of the upper surface of the sorting turntable 1. One of the U-shaped grooves 3 is used for loading, and the other U-shaped grooves 3 are used for testing. A through groove 23 is arranged on the inner side surface of the U-shaped groove 3. A placement plate 9 is arranged in the U-shaped groove 3. The placement plate 9 passes through the through groove 23. The placement plate 9 is arranged horizontally. A plurality of linear drive elements 18 are installed on the bottom surface of the sorting turntable 1. The linear drive element 18 is an electric push rod. The placement plate 9 is connected to the telescopic end of the linear drive element 18. The U-shaped groove 23 is used for loading. A conveyor belt 5 is installed on the outside of the U-shaped groove 3, and the conveyor belt 5 is used to transport the aluminum electrolytic capacitor to the placement plate 9. A camera 6 is arranged above the U-shaped groove 3 for loading, and a mounting plate 11 is arranged above the U-shaped groove 3 for testing. The mounting plate 11 is used to install a capacitor testing device. A pair of electrode sheets 10 are connected to each mounting plate 11, and the electrode sheets 10 are electrically connected to the capacitor testing device. The upper surface of the placement plate 9 is rotatably connected to a movable circular plate 20, and the movable circular plate 20 penetrates the placement plate 9. A second motor 15 is installed on the frame 2, and an electromagnet 19 is fixedly connected to the output shaft of the second motor 15. The electromagnet 19 is in contact with the movable circular plate 20. The movable circular plate 20 is made of ferromagnetic material. When the electromagnet 19 is energized, the electromagnet 19 is fixedly connected to the movable circular plate 20. When the electromagnet 19 is de-energized, the movable circular plate 20 can move relative to the electromagnet 19. An annular groove 17 is provided at the bottom edge of the sorting turntable 1, and the annular groove 17 is connected to the U-shaped groove 3. A collection box 4 is provided under each U-shaped groove 3 used for testing, so that when the placement plate 9 shrinks, the capacitor will directly fall into the corresponding collection box 4 to complete the sorting.

[0028] In the embodiment of the present invention, the camera 6 is used to capture the capacitor image and identify the positive and negative electrodes of the capacitor, and the second motor 15 is used to drive the movable circular plate 20 to rotate so that the positive and negative electrode pins on the capacitor correspond to the positions of the electrode sheet 10. Specifically, the test sorting machine also includes a processor and a controller, and the processor will identify the positive and negative electrodes of the capacitor image captured by the camera 6 according to the positive and negative electrode characteristics, and then determine the angle of the line between the positive and negative electrodes, and determine the rotation angle of the movable circular plate 20 according to the angle of the line between the positive and negative electrodes, and then the controller will energize the electromagnet 19 and rotate the second motor 15 to a corresponding angle, and the electromagnet 19, the first motor 16, the second motor 15, the linear drive element 18 and the processor are all electrically connected to the controller.

[0029] In the embodiment of the present invention, the U-shaped grooves 3, the mounting plates 11 and the linear drive elements 18 are all distributed in a circular array about the center line of the sorting turntable 1. Five U-shaped grooves 3 and linear drive elements 18 are provided, and four mounting plates 11 are provided. The capacitor testing devices installed on the four mounting plates 11 are respectively: a short circuit detection device, a voltage detection device, a capacitor charging device and a leakage current detection device. If any item fails the test, the placement plate 9 directly below will shrink, and the capacitor will directly fall into the corresponding collection box 4 to complete the classification of each abnormal capacitor.

[0030] See also Figures 1 to 8 In an embodiment of the present invention, a guide arc plate 8 is arranged above several of the U-shaped grooves 3 for testing, and one of the guide arc plates 8 runs through the gap between each pair of electrode sheets 10. The width of the guide arc plate 8 is equal to the spacing between the positive pin and the negative pin on the capacitor. By setting the guide arc plate 8, the alignment of the pin and the electrode sheet 10 will be more precise.

[0031] In an embodiment of the present invention, the end of the guide arc plate 8 facing the camera 6 is wedge-shaped, and a plurality of second grooves 24 are arranged on the side of the guide arc plate 8. The second grooves 24 correspond to the mounting plate 11 one by one, and the second grooves 24 are located on one side of the mounting plate 11. The direction of the second grooves 24 relative to the corresponding mounting plate 11 is the same as the rotation direction of the sorting turntable 1. In this way, the placement plate 9 can be rotated to the bottom of the second groove 24, and then the placement plate 9 can be retracted. In this way, the capacitor will smoothly fall into the corresponding collecting box 4, avoiding the two pins clamping the guide arc plate 8, which prevents the capacitor from falling.

[0032] In the embodiment of the present invention, each pair of electrode sheets 10 is in an eight-shape, and the direction of the end with a smaller spacing relative to the end with a larger spacing of each pair of electrode sheets 10 is the same as the rotation direction of the sorting turntable 1, and the closest distance between the electrode sheet 10 and the guide arc plate 8 is equal to the diameter of the capacitor pin, thereby ensuring that the pin can make good contact with the electrode sheet 10.

[0033] In an embodiment of the present invention, the conveyor belt 5 and the camera 6 are both installed on the frame 2, the frame 2 is connected to the collecting box 4, and the output end of the conveyor belt 5 is installed with a guide side plate 7, and the guide side plate 7 is used to guide the capacitor into the U-shaped groove 3 for loading.

[0034] In an embodiment of the present invention, the surface of the placement plate 9 is connected to an arc-shaped baffle plate 21, which is located on the inner side of the movable circular plate 20. A first groove 22 is provided at the outer edge of the placement plate 9. In this way, the placement plate 9 can extend outward to the edge of the conveyor belt 5, ensuring that the capacitor can be smoothly moved to the movable circular plate 20.

[0035] In the embodiment of the present invention, several mounting plates 11 are connected by connecting arc plates 13, the bottom surface of the mounting plate 11 is connected to the top surface of the guide arc plate 8 by connecting columns 12, and the connecting arc plates 13 are connected to the collecting box 4 by a fixing frame 14.

[0036] The working process of the embodiment of the present invention is as follows: when the U-shaped groove 3 rotates to the conveyor belt 5, the corresponding placement plate 9 extends outward to the edge of the conveyor belt 5, and the capacitor is transported to the movable circular plate 20 in the U-shaped groove 3 through the conveyor belt 5. Then, the capacitor image is collected and the positive and negative poles are identified. The rotation angle of the movable circular plate 20 is determined according to the angle of the positive and negative pole connection lines, so that the electromagnet 19 is energized, and the second motor 15 rotates the movable circular plate 20 with the corresponding angle to complete the precise alignment of the two pins of the capacitor. Then, the electromagnet 19 is powered off to rotate the sorting turntable 1. The capacitor will move to the first detection position. If the detection is qualified, it will move to the next detection position. If the detection is unqualified, the corresponding placement plate 9 will shrink inward, and the capacitor will fall into the collection box 4. When all the detection items are qualified, the staff can take out all the qualified capacitors at the last detection item.

[0037] For those skilled in the art, although several embodiments and examples of the present invention are described, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in various other ways, and various omissions, substitutions, and changes can be made without departing from the scope of the subject matter of the invention. These embodiments and their variations are included in the scope and subject matter of the invention, and are included in the invention described in the claims and the scope of their equivalents.

[0038] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An aluminum electrolytic capacitor testing and sorting machine, comprising a sorting turntable (1), a frame (2) and a first motor (16), wherein the first motor (16) is used to drive the sorting turntable (1) to rotate, and is characterized in that: A plurality of U-shaped grooves (3) are arranged at the edge of the upper surface of the sorting turntable (1), wherein one of the U-shaped grooves (3) is used for loading, and the other U-shaped grooves (3) are used for testing. A through groove (23) is arranged on the inner side surface of the U-shaped groove (3), and a placement plate (9) passes through the through groove (23). A plurality of linear drive elements (18) are installed on the bottom surface of the sorting turntable (1), and the placement plate (9) is connected to the telescopic end of the linear drive element (18). A conveyor belt (5) is installed on the outer side of the U-shaped groove (3) for loading, and a camera (6) is arranged above the U-shaped groove (3) for loading. A mounting plate (11) is arranged above the U-shaped groove (3) for testing, and the mounting plate (11) is used to install a capacitor testing device. A pair of electrode sheets (10) are connected to each mounting plate (11), and the electrode sheets (10) are connected to the mounting plate (11). The capacitor testing device is electrically connected, the surface of the placement plate (9) is rotatably connected to a movable circular plate (20), a second motor (15) is installed on the frame (2), an electromagnet (19) is fixedly connected to the output shaft of the second motor (15), the electromagnet (19) is in contact with the movable circular plate (20), and the movable circular plate (20) is made of ferromagnetic material; an annular groove (17) is provided at the bottom edge of the sorting turntable (1), the annular groove (17) is connected to the U-shaped groove (3), and a collection box (4) is provided below each U-shaped groove (3) used for testing; the camera (6) is used to collect capacitor images and identify the positive and negative electrodes of the capacitor, and the second motor (15) is used to drive the movable circular plate (20) to rotate so that the positive and negative electrodes on the capacitor correspond to the positions of the electrode sheet (10).

2. The aluminum electrolytic capacitor testing and sorting machine according to claim 1, characterized in that: The plurality of U-shaped grooves (3), mounting plates (11) and linear drive elements (18) are distributed in a circular array about the center line of the sorting turntable (1), five U-shaped grooves (3) and five linear drive elements (18) are provided, and four mounting plates (11) are provided. The capacitor test devices installed on the four mounting plates (11) are respectively: a short circuit detection device, a voltage detection device, a capacitor charging device and a leakage current detection device.

3. The aluminum electrolytic capacitor testing and sorting machine according to claim 1, characterized in that: The test sorting machine also includes a processor and a controller. The processor is used to identify the positive and negative electrodes of the capacitor image captured by the camera (6), determine the angle of the line connecting the positive and negative electrodes, and determine the rotation angle of the movable circular plate (20) according to the angle of the line connecting the positive and negative electrodes; the electromagnet (19), the first motor (16), the second motor (15), the linear drive element (18) and the processor are all electrically connected to the controller.

4. The aluminum electrolytic capacitor testing and sorting machine according to claim 1, characterized in that: A guide arc plate (8) is arranged above a plurality of the U-shaped grooves (3) for testing, and one of the guide arc plates (8) passes through the gap between each pair of electrode sheets (10), and the width of the guide arc plate (8) is equal to the spacing between the positive electrode pin and the negative electrode pin on the capacitor.

5. The aluminum electrolytic capacitor testing and sorting machine according to claim 4, characterized in that: The end of the guide arc plate (8) facing the camera (6) is wedge-shaped, and a plurality of second grooves (24) are arranged on the side of the guide arc plate (8), the second grooves (24) correspond to the mounting plate (11) one by one, the second grooves (24) are located on one side of the mounting plate (11), and the direction of the second grooves (24) relative to the corresponding mounting plate (11) is the same as the rotation direction of the sorting turntable (1).

6. The aluminum electrolytic capacitor testing and sorting machine according to claim 4, characterized in that: Each pair of electrode sheets (10) is in an eight-shaped shape, and the direction of the end with a smaller spacing relative to the end with a larger spacing of each pair of electrode sheets (10) is the same as the rotation direction of the sorting turntable (1), and the closest distance between the electrode sheet (10) and the guide arc plate (8) is equal to the diameter of the capacitor pin.

7. The aluminum electrolytic capacitor testing and sorting machine according to claim 1, characterized in that: The conveyor belt (5) and the camera (6) are both installed on a frame (2), the frame (2) is connected to a collecting box (4), and a guide side plate (7) is installed at the output end of the conveyor belt (5), and the guide side plate (7) is used to guide the capacitor into a U-shaped groove (3) for loading.

8. The aluminum electrolytic capacitor testing and sorting machine according to claim 1, characterized in that: The surface of the placement plate (9) is connected to an arc-shaped baffle plate (21), the arc-shaped baffle plate (21) is located on the inner side of the movable circular plate (20), and a first groove (22) is provided at the outer edge of the placement plate (9).

9. The aluminum electrolytic capacitor testing and sorting machine according to claim 4, characterized in that: A plurality of the mounting plates (11) are connected to each other via a connecting arc plate (13); the bottom surface of the mounting plate (11) is connected to the top surface of the guide arc plate (8) via a connecting column (12); and the connecting arc plate (13) is connected to the material collecting box (4) via a fixing frame (14).

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