A gallium nitride high-voltage electrolytic capacitor manufacturing device

Abstract

The present invention belongs to the technical field of electrolytic capacitors, and specifically is a gallium nitride high-voltage electrolytic capacitor preparation device; it includes a workbench, a conveyor belt is provided at the top of the workbench, a drying box is provided at the top of the workbench, a box cover is provided at the top of the drying box, a pair of notches are opened on both sides of the drying box, and the conveyor belt passes through the notches; the gallium nitride high-voltage electrolytic capacitor preparation device described in the present invention is provided with a conveyor belt; after the substrate is coated, the substrate is transferred to a pad on the surface of the conveyor belt by a robot, with the coated surface facing upward; then the conveyor belt is controlled to rotate, and the rotating belt conveys the substrate into the drying box through the notch, the substrate is driven to move continuously, and is moved out through the notch on the other side of the drying box when drying is completed; then it is transferred by the robot; the substrate continues to move in the drying box during the entire process, so that the drying operation does not stop, thereby improving the efficiency of substrate drying.

Description

Technical Field

[0001] The present invention belongs to the technical field of electrolytic capacitors, and in particular to a device for preparing gallium nitride high-voltage electrolytic capacitors. Background Art

[0002] An electrolytic capacitor is a type of capacitor. In an electrolytic capacitor, the metal foil serves as the positive electrode (aluminum or tantalum), the oxide film (aluminum oxide or tantalum pentoxide) in close contact with the positive electrode serves as the dielectric, and the cathode is composed of a conductive material, an electrolyte (which can be liquid or solid), and other materials. For example, gallium nitride is used as the electrolyte, which has good power density and heat dissipation performance. When preparing an electrolytic capacitor, a substrate is required, and the substrate needs to be coated with the raw materials of the electrode material, the binder, and the solvent. After coating, the substrate needs to be dried.

[0003] When preparing electrolytic capacitors on an existing assembly line, after the substrates are coated, they need to be collected and placed in a drying oven at once, and then taken out after drying for a period of time; then cutting and other operations are carried out; in the actual production process, after the substrates are coated, they need to be collected together and then transferred to the drying oven, and the drying operation is interrupted during the entire process; therefore, a lot of time is wasted in the drying operation, and the drying efficiency needs to be further improved.

[0004] To this end, the present invention provides a device for preparing a gallium nitride high-voltage electrolytic capacitor. Summary of the Invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows: a gallium nitride high-voltage electrolytic capacitor manufacturing device according to the present invention comprises a workbench, a conveyor belt is provided at the top of the workbench, a drying box is provided at the top of the workbench, a box cover is provided at the top of the drying box, a pair of notches are opened on both sides of the drying box, and the conveyor belt passes through the notches;

[0007] The width of the conveyor belt is the same as the width of the gap; a plurality of pads are evenly arranged on the surface of the conveyor belt; and the substrate to be dried is placed on the pads.

[0008] Preferably, a pair of receiving frames are provided inside the drying box, a rotating belt is slidably provided on the outer surface of the receiving frame, a plurality of magnetic plates are evenly provided on the top of the rotating belt, an electromagnet is provided on the side of the receiving frame close to the conveyor belt; the electromagnet is located below the magnetic plate; a driving roller is provided inside the receiving frame to press against the inner surface of the rotating belt;

[0009] When the substrate transported by the conveyor belt passes through a pair of rotating belts, the pair of rotating belts clamp the substrate on the pad; a first through hole is opened at the top of the box cover and directly above the driving roller; a motor is provided at the top of the first through hole, and the output end of the motor is connected to the top of the driving roller.

[0010] Preferably, a heat shield is provided on the outside of the electromagnet, and an opening is provided on the top of the heat shield.

[0011] Preferably, a connecting frame is fixedly connected to the side of the heat insulation cover, a second through hole is opened at the top of the box cover and directly above the connecting frame, and the top of the connecting frame passes through to the top of the second through hole; a first hydraulic cylinder is provided at the top of the box cover and on one side of the second through hole; the output end of the first hydraulic cylinder is connected to the top of the connecting frame; and a linkage frame is provided between the motor and the connecting frame.

[0012] Preferably, a pair of blocking plates are provided at the top end of the connecting frame, and the blocking plates continuously block the second through hole.

[0013] Preferably, when the motor moves, the output end moves synchronously in the first through hole without being interfered with by the first through hole; and the housing of the motor continuously blocks the first through hole.

[0014] Preferably, a second hydraulic cylinder is provided above the notch, and a sealing plate is provided at the output end of the second hydraulic cylinder, wherein the bottom end of the sealing plate is higher than the base plate on the pad.

[0015] Preferably, the second hydraulic cylinder intermittently drives the sealing plate to move downward.

[0016] Preferably, the drying box includes a first assembly part and a second assembly part, a connecting plate is provided between the first assembly part and the second assembly part; the first assembly part and the second assembly part cooperate with the connecting plate and the box cover to form a box body.

[0017] Preferably, the bottom end of the connecting plate is fixed to the top of the workbench; the bottom ends of the first and second combination parts are slidably connected to the top of the workbench; and there is friction between the side surfaces of the first and second combination parts and the connecting plate.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. The gallium nitride high-voltage electrolytic capacitor preparation device described in the present invention comprises a conveyor belt; after the substrate is coated, the substrate is transferred to a pad on the surface of the conveyor belt by a robot, with the coated surface facing upward; the conveyor belt is then controlled to rotate, and the rotating belt conveys the substrate into a drying box through a notch, and the rotation speed of the conveyor belt is controlled to ensure that the substrate remains fully in the drying box to ensure that the substrate is completely dried; the substrate is driven to move continuously and is removed from the drying box through the notch on the other side of the drying box when drying is complete; thereafter, the substrate is transferred by the robot; throughout the entire process, the substrate continues to move in the drying box, so that the drying operation does not stop, thereby improving the efficiency of substrate drying.

[0020] 2. The gallium nitride high-voltage electrolytic capacitor preparation device described in the present invention is provided with a receiving frame; when the substrate is brought into the drying box, a pair of rotating belts clamp the substrate on the pad; the rotating belt synchronously drives the substrate to move with the conveyor belt, and when the substrate moves between a pair of electromagnets, the electromagnet drives the upper magnetic plate upward through magnetic drive, so that the rotating belt located between the pair of electromagnets is driven to deform upward, thereby driving the substrate between the pair of rotating belts to move upward, so that the substrate is suspended in the air, and the bottom end of the substrate is fully in contact with the air in the drying box, thereby increasing the volatilization area of moisture on the substrate surface during the substrate drying process and improving the drying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings.

[0022] Figure 1 It is a perspective view of the present invention;

[0023] Figure 2 It is a schematic diagram of a drying box of the present invention;

[0024] Figure 3 It is a schematic diagram of the composition of the drying box of the present invention;

[0025] Figure 4 This is a schematic diagram of the connection structure of the connecting frame of the present invention;

[0026] Figure 5 It is a schematic diagram of the connection structure of the connecting frame of the present invention;

[0027] Figure 6 It is a top view schematic diagram of the receiving frame connection structure of the present invention.

[0028] In the figure: 1. workbench; 11. conveyor belt; 2. drying box; 21. box cover; 211. first assembly part; 212. second assembly part; 213. connecting plate; 22. notch; 23. second through hole; 24. first through hole; 3. receiving frame; 31. rotating belt; 32. driving roller; 33. magnetic plate; 34. electromagnet; 35. heat shield; 4. connecting frame; 41. first hydraulic cylinder; 42. blocking plate; 43. linkage frame; 5. motor; 6. sealing plate; 61. second hydraulic cylinder. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0030] like Figures 1 to 6 As shown, a gallium nitride high-voltage electrolytic capacitor manufacturing device according to an embodiment of the present invention includes a workbench 1, a conveyor belt 11 is provided on the top of the workbench 1, a drying box 2 is provided on the top of the workbench 1, a box cover 21 is provided on the top of the drying box 2, a pair of notches 22 are opened on both sides of the drying box 2, and the conveyor belt 11 passes through the notches 22;

[0031] The width of the conveyor belt 11 is the same as the width of the gap 22; a plurality of pads are evenly arranged on the surface of the conveyor belt 11; the substrate to be dried is placed on the pads;

[0032] In the process of preparing electrolytic capacitors, the substrates need to be collected together after being coated and then transferred to the drying space. The drying operation will be interrupted during the whole process; therefore, a lot of time is wasted in the drying operation; the drying efficiency needs to be further improved; to solve the above problems, the embodiment of the present invention provides a conveyor belt 11 and other structures; after the substrates are coated, the substrates are transferred to the pad on the surface of the conveyor belt 11 by a robot, with the coated side facing up; then the conveyor belt 11 is controlled to rotate, and the conveyor belt 11 conveys the substrate to the inside of the drying box 2 through the gap 22, and the rotation speed of the conveyor belt 11 is controlled so that the substrate stays fully in the drying box 2 to ensure that the substrate is dried; and the substrate is driven to move continuously, and is moved out through the gap 22 on the other side of the drying box 2 when drying is completed; and then it is transferred by the robot; the substrate continues to move in the drying box 2 during the whole process, so that the drying operation does not stop, thereby improving the efficiency of substrate drying.

[0033] A pair of receiving frames 3 are provided inside the drying box 2. A rotating belt 31 is slidably provided on the outer surface of the receiving frame 3. A plurality of magnetic plates 33 are evenly provided on the top of the rotating belt 31. An electromagnet 34 is provided on the inner side of the receiving frame 3 near the conveyor belt 11. The electromagnet 34 is located below the magnetic plate 33. A driving roller 32 is provided inside the receiving frame 3 to press against the inner surface of the rotating belt 31.

[0034] When the substrate transported by the conveyor belt 11 passes through a pair of rotating belts 31, the pair of rotating belts 31 clamp the substrate on the pad; a first through hole 24 is opened at the top of the box cover 21 and directly above the driving roller 32; a motor 5 is provided at the top of the first through hole 24, and the output end of the motor 5 is connected to the top of the driving roller 32; when the substrate is driven into the inside of the drying box 2, the pair of rotating belts 31 clamp the substrate on the pad; the conveyor belt 11 synchronously drives the substrate to move. When the substrate moves to the position between the pair of electromagnets 34, the electromagnet 34 moves upward by magnetically driving the magnetic plate 33 above, so that the rotating belt 31 located between the pair of electromagnets 34 is driven to deform upward, thereby driving the substrate between the pair of rotating belts 31 to move upward, so that the substrate is suspended in the air, so that the bottom end of the substrate is fully in contact with the air in the drying box 2, thereby increasing the volatilization area of moisture on the surface of the substrate during the drying process, thereby improving the drying efficiency.

[0035] A heat insulating cover 35 is provided on the outside of the electromagnet 34, and an opening is provided at the top of the heat insulating cover 35. When in use, the heat insulating cover 35 isolates part of the surface of the electromagnet 34 from the drying box 2 to protect the electromagnet 34. The temperature inside the drying box 2 is controlled so that it is difficult to demagnetize the electromagnet 34 and the magnetic plate 33. Therefore, the electromagnet 34 and the magnetic plate 33 can be used normally.

[0036] A connecting frame 4 is fixed to the side of the heat insulation cover 35, and a second through hole 23 is provided at the top of the box cover 21 and directly above the connecting frame 4, and the top of the connecting frame 4 passes through to the top of the second through hole 23; a first hydraulic cylinder 41 is provided at the top of the box cover 21 and on one side of the second through hole 23; the output end of the first hydraulic cylinder 41 is connected to the top of the connecting frame 4; a linkage frame 43 is provided between the motor 5 and the connecting frame 4; for substrates of different sizes, the connecting frame 4 is driven to move by the first hydraulic cylinder 41, and the connecting frame 4 drives the rotating belt 31 on the receiving frame 3 to move through the heat insulation cover 35, so that the rotating belt 31 is suitable for substrates of different sizes, thereby improving the scope of application of the present invention.

[0037] A pair of blocking plates 42 are provided at the top of the connecting frame 4, and the blocking plates 42 continuously block the second through hole 23; when the connecting frame 4 moves, it is ensured that the second through hole 23 is continuously blocked by the blocking plates 42 to prevent the drying box 2 from leaking through the second through hole 23 and affecting the drying effect.

[0038] When the motor 5 moves, the output end moves synchronously in the first through hole 24 without being interfered by the first through hole 24; and the housing of the motor 5 continues to block the first through hole 24, thereby preventing the drying box 2 from leaking through the first through hole 24 and affecting the drying effect.

[0039] A second hydraulic cylinder 61 is provided above the gap 22, and a sealing plate 6 is provided at the output end of the second hydraulic cylinder 61, and the bottom end of the sealing plate 6 is higher than the substrate on the pad; the second hydraulic cylinder 61 intermittently drives the sealing plate 6 to move downward; when in use, the second hydraulic cylinder 61 intermittently drives the sealing plate 6 to move downward, and then intermittently blocks the gap 22, reducing the dissipation of heat in the drying box 2, which is conducive to ensuring the stability of the internal temperature of the drying box 2, and making the substrate drying process stable.

[0040] The drying box 2 includes a first assembly part 211 and a second assembly part 212, and a connecting plate 213 is provided between the first assembly part 211 and the second assembly part 212; the first assembly part 211 and the second assembly part 212 cooperate with the connecting plate 213 and the box cover 21 to form a box body; when in use, the length of the drying box 2 can be adjusted by cooperating with the first assembly part 211 and the second assembly part 212 with the connecting plate 213, and the size of the box cover 21 needs to be adjusted synchronously; after the length of the drying box 2 is adjusted, the drying time of the substrate can be changed, thereby meeting the requirements of different drying times.

[0041] The bottom end of the connecting plate 213 is fixed to the top of the workbench 1; the bottom ends of the first and second combination parts 211 and 212 are slidably connected to the top of the workbench 1; there is friction between the sides of the first and second combination parts 211 and 212 and the connecting plate 213; so that the drying box 2 remains sealed and stable after the length is adjusted.

[0042] During operation, after the substrate is coated, the substrate is transferred to the pad on the surface of the conveyor belt 11 by the robot, with the coated side facing up; then the conveyor belt 11 is controlled to rotate, and the conveyor belt 11 conveys the substrate to the inside of the drying box 2 through the gap 22, and the rotation speed of the conveyor belt 11 is controlled so that the substrate stays fully in the drying box 2 to ensure that the substrate is dried; and the substrate is driven to move continuously, and is moved out through the gap 22 on the other side of the drying box 2 when the drying is completed; then it is transferred by the robot; during the whole process, the substrate continues to move in the drying box 2, so that the drying operation does not stop, thereby improving the efficiency of substrate drying; among which, when the substrate is driven into the drying box 2, a pair of rotating belts 31 clamps the substrate on the pad; the conveyor belt 11 synchronously conveys the conveyor belt 11 The substrate is driven to move. When the substrate moves to the position between the pair of electromagnets 34, the electromagnet 34 magnetically drives the upper magnetic plate 33 to move upward, so that the rotating belt 31 located between the pair of electromagnets 34 is driven to deform upward, and then the substrate between the pair of rotating belts 31 is driven to move upward, so that the substrate is suspended, and the bottom end of the substrate is fully in contact with the air in the drying box 2, thereby increasing the volatilization area of the moisture on the surface of the substrate during the drying process and improving the drying efficiency; when in use, the heat insulation cover 35 isolates part of the surface of the electromagnet 34 from the drying box 2 to protect the electromagnet 34; and the temperature in the drying box 2 is controlled to make it difficult to produce a demagnetization effect on the electromagnet 34 and the magnetic plate 33; therefore, the electromagnet 34 and the magnetic plate 33 can be used normally.

[0043] For substrates of different sizes, the connecting frame 4 is driven to move by the first hydraulic cylinder 41, and the connecting frame 4 drives the rotating belt 31 on the receiving frame 3 to move through the heat insulation cover 35, so that the rotating belt 31 is suitable for substrates of different sizes; improving the scope of application of the present invention; when the connecting frame 4 moves, ensure that the second through hole 23 is continuously blocked by the blocking plate 42, so as to avoid air leakage through the second through hole 23 of the drying box 2 affecting the drying effect; when the motor 5 moves, the output end moves synchronously in the first through hole 24 without being interfered with by the first through hole 24; and the housing of the motor 5 continuously blocks the first through hole 24; so as to avoid air leakage through the first through hole 24 of the drying box 2 affecting the drying effect; when in use, the second hydraulic cylinder 61 intermittently drives the sealing plate 6 to move downward, and then intermittently The gap 22 is effectively blocked to reduce the heat dissipation in the drying box 2, which is conducive to ensuring the stability of the internal temperature of the drying box 2 and the stability of the substrate drying process. When in use, the length of the drying box 2 can be adjusted by cooperating with the connecting plate 213 through the first combination part 211 and the second combination part 212, and the size of the box cover 21 needs to be adjusted synchronously. After the length of the drying box 2 is adjusted, the drying time of the substrate can be changed to meet the needs of different drying times. The bottom end of the connecting plate 213 is fixedly connected to the top of the workbench 1. The bottom ends of the first combination part 211 and the second combination part 212 are slidably connected to the top of the workbench 1. There is friction between the side surfaces of the first combination part 211 and the second combination part 212 and the connecting plate 213. This ensures that the drying box 2 remains sealed and stable after the length is adjusted.

[0044] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A gallium nitride high-voltage electrolytic capacitor manufacturing device, characterized by: The workbench (1) comprises a conveyor belt (11) provided at the top of the workbench (1), a drying box (2) provided at the top of the workbench (1), a box cover (21) provided at the top of the drying box (2), a pair of notches (22) provided on both sides of the drying box (2), and the conveyor belt (11) passing through the notches (22); The width of the conveyor belt (11) is the same as the width of the notch (22); a plurality of pads are evenly arranged on the surface of the conveyor belt (11); the substrate to be dried is placed on the pads; A pair of receiving frames (3) are provided inside the drying box (2); a rotating belt (31) is slidably provided on the outer surface of the receiving frame (3); a plurality of magnetic plates (33) are evenly provided on the top of the rotating belt (31); an electromagnet (34) is provided on the side of the receiving frame (3) close to the conveyor belt (11); the electromagnet (34) is located below the magnetic plate (33); a driving roller (32) is provided inside the receiving frame (3) for pressing against the inner surface of the rotating belt (31); When the substrate transported by the conveyor belt (11) passes through the pair of rotating belts (31), the pair of rotating belts (31) clamp the substrate on the pad; a first through hole (24) is provided at the top end of the box cover (21) and directly above the driving roller (32); a motor (5) is provided at the top end of the first through hole (24), and an output end of the motor (5) is connected to the top end of the driving roller (32); A heat shield (35) is provided on the outside of the electromagnet (34), and an opening is provided at the top end of the heat shield (35); A connecting frame (4) is fixedly connected to the side of the heat shield (35); a second through hole (23) is provided at the top of the box cover (21) and directly above the connecting frame (4); the top of the connecting frame (4) passes through to the top of the second through hole (23); a first hydraulic cylinder (41) is provided at the top of the box cover (21) and on one side of the second through hole (23); an output end of the first hydraulic cylinder (41) is connected to the top of the connecting frame (4); and a linkage frame (43) is provided between the motor (5) and the connecting frame (4).

2. The gallium nitride high-voltage electrolytic capacitor manufacturing device according to claim 1, characterized in that: A pair of blocking plates (42) are provided at the top end of the connecting frame (4), and the blocking plates (42) continuously block the first through hole (24).

3. The device for manufacturing a gallium nitride high-voltage electrolytic capacitor according to claim 2, characterized in that: When the motor (5) moves, the output end moves synchronously within the second through hole (23) without being interfered with by the second through hole (23); and the housing of the motor (5) continuously blocks the second through hole (23).

4. The gallium nitride high-voltage electrolytic capacitor manufacturing device according to claim 1, characterized in that: A second hydraulic cylinder (61) is provided above the notch (22), and a sealing plate (6) is provided at the output end of the second hydraulic cylinder (61), wherein the bottom end of the sealing plate (6) is higher than the base plate on the backing plate.

5. The gallium nitride high-voltage electrolytic capacitor manufacturing device according to claim 4, characterized in that: The second hydraulic cylinder (61) intermittently drives the sealing plate (6) to move downward.

6. The gallium nitride high-voltage electrolytic capacitor manufacturing device according to claim 1, characterized in that: The drying box (2) comprises a first assembly part (211) and a second assembly part (212), wherein a connecting plate (213) is provided between the first assembly part (211) and the second assembly part (212); the first assembly part (211) and the second assembly part (212) cooperate with the connecting plate (213) and the box cover (21) to form a box body.

7. The device for manufacturing a gallium nitride high-voltage electrolytic capacitor according to claim 6, characterized in that: The bottom end of the connecting plate (213) is fixedly connected to the top end of the workbench (1); the bottom ends of the first combined part (211) and the second combined part (212) are slidably connected to the top end of the workbench (1); and friction exists between the side surfaces of the first combined part (211) and the second combined part (212) and the connecting plate (213).

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