Capacitor drying device

CN224771955UActive Publication Date: 2026-09-18NANTONG JIANGHAI NEW ENERGY CO LTD
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Patent Information

Application Number
CN202522761260.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-12-26
Publication Date
2026-09-18
Estimated Expiration
2035-12-26

AI Technical Summary

Technical Problem

[0003]现有的电容烘干是将电容在真空烘箱中烘干后取出再去冷却装置中冷却,这就使得生产出现中断,降低生产效率

Benefits of technology

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: A cooling chamber is set after the last oven section, enabling continuous drying and cooling, thereby improving production efficiency; a double-layer sealing structure is used between two adjacent oven sections to ensure the vacuum level within the oven cavity; the trays holding capacitors are conveyed within the oven by internal conveying rollers, enhancing conveying stability, reducing the risk of capacitor damage, and the guide components assist in conveying, constraining the movement trajectory of the trays and preventing them from shifting or tilting; heaters are distributed around the oven cavity, resulting in more uniform heating, and the heating tubes are arranged in a sinusoidal pattern, ensuring the rate of heating and temperature stability; an automatic door is installed between the oven and the cooling chamber. During vacuum drying, the automatic door closes, completely isolating the oven and cooling chamber to prevent external air (including moisture and oxygen) from seeping in, ensuring a stable vacuum level within the oven; the door opens after vacuum drying, facilitating the transfer of capacitors to the cooling chamber and improving efficiency; a transition roller is also installed between the oven and the cooling chamber to ensure the smooth and stable passage of the trays.

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Abstract

The utility model relates to the technical field of drying oven, especially a capacitor drying device, including cooling cabin and a plurality of section drying oven, each section drying oven is connected and is sealed through sealing structure, cooling cabin is located last section drying oven end and is connected with last section drying oven through automatic door, drying oven and cooling cabin all are provided with conveying roller assembly, drying oven still is provided with heater, the utility model sets up cooling cabin behind last section drying oven, can realize the continuous of drying, cooling, thereby improves the efficiency of production.
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Description

Technical Field

[0001] This utility model relates to the field of oven technology, and in particular to a capacitor drying device. Background Technology

[0002] Drying is a crucial step in capacitor production. Its core purpose is to thoroughly remove moisture from the inside of the capacitor and its materials, ensuring stable product performance and reliable lifespan.

[0003] The existing capacitor drying process involves drying the capacitors in a vacuum oven and then cooling them in a cooling device, which causes production interruptions and reduces production efficiency. Utility Model Content

[0004] This invention solves the problems in related technologies and proposes a capacitor drying device. A cooling chamber is set after the last drying oven, which can realize continuous drying and cooling, thereby improving production efficiency.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: a capacitor drying device, including a cooling chamber and several drying ovens, wherein each drying oven is connected to and sealed by a sealing structure, the cooling chamber is located at the end of the last drying oven and is connected to the last drying oven by an automatic door, both the drying ovens and the cooling chamber are equipped with conveying roller assemblies, and the drying ovens are also equipped with heaters.

[0006] As a preferred embodiment, the sealing structure is a double-layer sealing structure, comprising an inner metal sealing ring and an outer silicone sealing ring.

[0007] As a preferred embodiment, the conveying roller assembly includes a conveying motor, a driving roller, a driven roller, and guide members. Several driven rollers are distributed on both sides of the driving roller and connected to the driving roller through a sprocket transmission assembly. Both the driving roller and the driven roller are mounted on a roller support. The driving roller is connected to the conveying motor and rotates under the drive of the conveying motor. The guide members are guide wheels, and several guide members are mounted above the roller support through guide member mounting plates.

[0008] As a preferred embodiment, the heater is located around the inner cavity of the oven. The heater includes a heating tube, an interior panel, and a reflector. The interior panel has several heat dissipation holes. The heating tube is located within the cavity enclosed by the interior panel and the reflector. The heating tube is sinusoidally distributed.

[0009] As a preferred embodiment, the top of the oven is also provided with several temperature measuring holes, and each of the temperature measuring holes is equipped with a KF connector.

[0010] As a preferred embodiment, the automatic door includes a first cylinder, a second cylinder, and a door panel. The first cylinder is mounted on a cylinder mounting plate, and the piston rod end of the first cylinder is connected to the door panel. The piston rod end of the second cylinder is connected to the cylinder mounting plate, and the cylinder mounting plate is slidably mounted on a linear guide rail. The second cylinder drives the cylinder mounting plate to move the door panel up and down along the linear guide rail to realize the opening and closing of the door panel. A sensing plate that cooperates with a proximity switch is mounted on the cylinder mounting plate, and a guide shaft is also provided between the door panel and the cylinder mounting plate.

[0011] As a preferred embodiment, the oven and cooling chamber described in the last section are connected by two automatic doors, and a transfer chamber is provided between the two automatic doors. The transfer chamber includes a chamber body and a transition roller disposed within the chamber body. The height of the transition roller is consistent with that of the active roller in the cooling chamber.

[0012] As a preferred embodiment, the cooling chamber is equipped with a pneumatic angle valve via a KF connector, and the pneumatic angle valve is connected to the pipeline.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: A cooling chamber is set after the last oven section, enabling continuous drying and cooling, thereby improving production efficiency; a double-layer sealing structure is used between two adjacent oven sections to ensure the vacuum level within the oven cavity; the trays holding capacitors are conveyed within the oven by internal conveying rollers, enhancing conveying stability, reducing the risk of capacitor damage, and the guide components assist in conveying, constraining the movement trajectory of the trays and preventing them from shifting or tilting; heaters are distributed around the oven cavity, resulting in more uniform heating, and the heating tubes are arranged in a sinusoidal pattern, ensuring the rate of heating and temperature stability; an automatic door is installed between the oven and the cooling chamber. During vacuum drying, the automatic door closes, completely isolating the oven and cooling chamber to prevent external air (including moisture and oxygen) from seeping in, ensuring a stable vacuum level within the oven; the door opens after vacuum drying, facilitating the transfer of capacitors to the cooling chamber and improving efficiency; a transition roller is also installed between the oven and the cooling chamber to ensure the smooth and stable passage of the trays. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of the drying oven of this utility model; Figure 3 This is a schematic diagram of the structure of the conveyor roller assembly of this utility model; Figure 4 This is a schematic diagram of the structure of the heater of this utility model; Figure 5 This is a schematic diagram of the distribution structure of the heating tube of this utility model; Figure 6This is a schematic diagram of the cooling chamber of this utility model; Figure 7 This is a structural schematic diagram of the automatic door of this utility model; Figure 8 This is a schematic diagram of the transfer cabin of this utility model.

[0015] In the picture: 1. Cooling chamber; 2. Oven; 201. Metal sealing ring; 202. Silicone sealing ring; 3. Conveyor roller assembly; 301. Conveyor motor; 302. Driven roller; 303. Driven roller; 304. Roller support; 305. Guide component; 4. Heater; 401. Heating tube; 402. Interior panel; 403. Reflector; 5. Automatic door; 501. First cylinder; 502. Second cylinder; 503. Door panel; 504. Cylinder mounting plate; 505. Proximity switch; 506. Sensor plate; 507. Guide shaft; 508. Automatic door connecting plate; 6. Transfer compartment; 601. Compartment body; 602. Transition roller; 603. Support seat; 7. KF connector; 8. Pneumatic angle valve. Detailed Implementation

[0016] 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. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0017] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0018] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0019] In the description of this utility model, it should be understood that the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this utility model. The directional terms "inner" and "outer" refer to the inner and outer contours of each component itself.

[0020] For ease of description, spatial relative terms such as "above," "on top of," "on the upper surface of," "above," etc., are used herein to describe the spatial positional relationship of a device or feature as shown in the figures to other devices or features. It should be understood that spatial relative terms are intended to encompass different orientations in use or operation beyond the orientation of the device as described in the figures. For example, if the device in the figures were inverted, a device described as "above" or "on top of" other devices or structures would subsequently be positioned as "below" or "under" other devices or structures. Thus, the exemplary term "above" can include both "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative descriptions used herein will be interpreted accordingly.

[0021] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this utility model.

[0022] like Figures 1 to 8 As shown, a capacitor drying device includes a cooling chamber 1 and several drying ovens 2. The drying ovens 2 are connected to each other and sealed by a sealing structure. The cooling chamber 1 is located at the end of the last drying oven 2 and is connected to the last drying oven 2 by an automatic door 5. Both the drying ovens 2 and the cooling chamber 1 are equipped with conveying roller assemblies 3. The drying ovens 2 are also equipped with heaters 4. When the capacitors enter the drying ovens 2 for drying, they are conveyed forward under the action of the conveying roller assemblies 3. After drying, the automatic door 5 opens, and the capacitors are conveyed to the cooling chamber 1 for cooling. This device enables continuous drying and cooling, thereby improving production efficiency.

[0023] In one embodiment, the sealing structure is a double-layer sealing structure, including an inner metal sealing ring 201 and an outer silicone sealing ring 202. The double-layer sealing structure can ensure the vacuum level inside the oven cavity 2.

[0024] In one embodiment, the conveying roller assembly 3 includes a conveying motor 301, a driving roller 302, a driven roller 303, and a guide member 305. Several driven rollers 303 are distributed on both sides of the driving roller 302 and connected to the driving roller 302 through a sprocket transmission assembly (not shown in the figure). The two ends of the driving roller 302 and the driven roller 303 are mounted on an L-shaped roller bracket 304. The driving roller 302 is connected to the conveying motor 301 and rotates under the drive of the conveying motor 301, thereby driving the driven rollers 303 to rotate. The conveying motor 301 is a right-angle geared motor, and the conveying motor 301 is also connected to a magnetorheological fluid. The guide member 305 is a guide wheel, and several guide members 305 are mounted on the roller bracket 304 above the guide member mounting plate 306. That is, the guide member 305 is located on both sides of the driving roller 302 and the driven roller 303, and plays a guiding role in the capacitor conveying process.

[0025] In one embodiment, the heater 4 is located around the inner cavity of the oven 2. The heater 4 includes a heating tube 401, an interior panel 402, and a reflector 403. The interior panel 402 has several heat dissipation holes to facilitate the heat from the heating tube 401 to dissipate into the cavity of the oven 2. The heating tube 401 adopts a structure in which a heating wire is wrapped with a stainless steel tube. The heating wire is in a vacuum state, thereby ensuring the life of the heating tube. The heating tube 401 is located in the cavity enclosed by the interior panel 402 and the reflector 403. In this embodiment, the heating tube 401 is fixed on the reflector 403. The heating tube 401 is sinusoidally distributed, thereby ensuring the heating rate and temperature stability.

[0026] In one embodiment, the top of the oven 2 is also provided with 9 temperature measuring holes, and each temperature measuring hole is equipped with a KF connector 7. The KF connector 7 is used to connect to the probe of the temperature controller to measure the temperature inside the oven 2 so as to calibrate the temperature of the oven. Since the top of the oven 2 is also provided with a heater 4, the reflector 403 in the heater 4 plays a sealing role on the temperature measuring holes on the top of the oven 2, and will not affect the airtightness of the oven 2.

[0027] In one embodiment, the automatic door 5 includes a first cylinder 501, a second cylinder 502, and a door panel 503. The first cylinder 501 is mounted on a cylinder mounting plate 504, and the piston rod end of the first cylinder 501 is connected to the door panel 503. A door opening is provided on the automatic door connecting plate 508. The door panel 503 covers the door opening to achieve closure, and the door panel 503 is exposed to achieve closure of the door. The piston rod end of the second cylinder 502 is connected to the cylinder mounting plate 504, and the cylinder mounting plate 504 is slidably mounted on a linear axis. On the guide rail, the second cylinder 502 drives the cylinder mounting plate 504 to drive the door panel 503 to slide up and down along the linear guide rail to realize the opening and closing of the door panel 503. The cylinder mounting plate 504 is equipped with a sensing plate 506 that cooperates with the proximity switch 505. The proximity switch 505 is mounted on the upper part of the automatic door connecting plate 508 through a bracket. A guide shaft 507 is also provided between the door panel 503 and the cylinder mounting plate 504, which plays a guiding role in the process of the first cylinder 501 driving the door panel 503 to close.

[0028] In addition, automatic doors 5 are installed at the entrance of the first oven 2, between the first oven 2 and the second oven 2, and at the exit of the cooling chamber 1.

[0029] In this embodiment, there are two automatic doors 5 between the last oven section 2 and the cooling chamber 1. One automatic door 5 is adjacent to the last oven section 2, and the other automatic door 5 is adjacent to the cooling chamber 1. The purpose of setting two automatic doors 5 here is to avoid vacuum and heat, which can improve the service life of the cylinder. Between the two automatic doors 5 is a transfer chamber 6, which includes a chamber body 601 and four sets of transition rollers 602 set on the chamber body 601. The transition rollers 602 are installed on the top of the support base 603 so that their height is consistent with the active roller 302 in the cooling chamber 1, thereby ensuring that the tray can pass smoothly and stably.

[0030] In one embodiment, a pneumatic angle valve 8 is installed in the cooling chamber 1 via a KF connector 7. The pneumatic angle valve 8 is connected to a pipeline. In the cooling chamber 1, a cold air fan is connected to the pipeline to introduce cold air into it, thereby achieving cooling.

[0031] The above are preferred embodiments of this utility model. Those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments described above. Any obvious improvements, substitutions or modifications made by those skilled in the art based on this utility model shall fall within the protection scope of this utility model.

Claims

1. A capacitor drying apparatus characterized by comprising: It includes a cooling chamber (1) and several oven sections (2). Each oven section (2) is connected to the other and sealed by a sealing structure. The cooling chamber (1) is located at the end of the last oven section (2) and is connected to the last oven section (2) by an automatic door (5). Both the oven section (2) and the cooling chamber (1) are equipped with conveyor roller assemblies (3). The oven section (2) is also equipped with a heater (4).

2. The capacitor drying apparatus according to claim 1, characterized by: The sealing structure is a double-layer sealing structure, including an inner metal sealing ring (201) and an outer silicone sealing ring (202).

3. The capacitor drying apparatus according to claim 1, wherein: The conveying roller assembly (3) includes a conveying motor (301), a driving roller (302), a driven roller (303), and a guide (305). Several driven rollers (303) are distributed on both sides of the driving roller (302) and connected to the driving roller (302) through a sprocket transmission assembly. The driving roller (302) and the driven rollers (303) are both mounted on a roller bracket (304). The driving roller (302) is connected to the conveying motor (301) and rotates under the drive of the conveying motor (301). The guide (305) is a guide wheel, and several guides (305) are mounted above the roller bracket (304) through a guide mounting plate (306).

4. The capacitor baking apparatus according to claim 1, wherein: The heater (4) is located around the inner cavity of the oven (2). The heater (4) includes a heating tube (401), an interior panel (402), and a reflector (403). The interior panel (402) has several heat dissipation holes. The heating tube (401) is located in the cavity formed by the interior panel (402) and the reflector (403). The heating tube (401) is sinusoidally distributed.

5. The capacitor baking apparatus according to claim 1, wherein: The top of the oven (2) is also provided with several temperature measuring holes, and each of the temperature measuring holes is equipped with a KF connector (7).

6. The capacitor baking apparatus according to claim 1, wherein: The automatic door (5) includes a first cylinder (501), a second cylinder (502), and a door panel (503). The first cylinder (501) is mounted on a cylinder mounting plate (504), and the piston rod end of the first cylinder (501) is connected to the door panel (503). The piston rod end of the second cylinder (502) is connected to the cylinder mounting plate (504), and the cylinder mounting plate (504) is slidably mounted on a linear guide rail. The second cylinder (502) drives the cylinder mounting plate (504) to drive the door panel (503) to slide up and down along the linear guide rail to realize the opening and closing of the door panel (503). A sensing plate (506) that cooperates with a proximity switch (505) is mounted on the cylinder mounting plate (504). A guide shaft (507) is also provided between the door panel (503) and the cylinder mounting plate (504).

7. The capacitor drying apparatus according to claim 1, wherein: The oven (2) and cooling chamber (1) described in the last section are provided with two automatic doors (5) and a transfer chamber (6) is provided between the two automatic doors (5). The transfer chamber (6) includes a chamber body (601) and a transition roller (602) provided in the chamber body (601). The height of the transition roller (602) is consistent with the height of the active roller (302) in the cooling chamber (1).

8. The capacitor drying apparatus according to claim 1, characterized in that: The cooling cabin (1) is provided with a pneumatic angle valve (8) through a KF joint (7), and the pneumatic angle valve (8) is connected with a pipeline.