Capacitive oven device and discharging method and baking equipment thereof

Abstract

The capacitive oven device comprises an oven body, a heating mechanism, a feeding mechanism and a top cover mechanism, the top cover mechanism is arranged on a discharging opening of the oven body and provided with a variable cover opening with the size and the position adjustable, and the heating mechanism is arranged on the top cover mechanism. The size of the variable cover opening is adjusted in the column direction so that the variable cover opening can be matched with the column-direction size of the baking frame or the capacitor elements, and the position of the variable cover opening is adjusted in the column direction so that the variable cover opening can be aligned with one row of the capacitor elements in each row. The capacitive oven device can reduce the risk of rapid loss of internal heat and external dust pollution. The invention further discloses a discharging method and baking equipment based on the capacitive oven device.

Description

Technical Field

[0001] The present invention relates to the field of capacitor preparation, and in particular to a capacitor oven device, a discharging method thereof, and baking equipment. Background Art

[0002] During the various manufacturing processes for capacitor elements, such as impregnation and chemical treatment, ovens are required to bake the elements for either drying or heat preservation. For example, Chinese patent application number CN202222918865.9 discloses an automated insulation and loading device for capacitor core packs. This device is used to heat a rack loaded with iron bars. The device consists of an insulation box, a lid opening and closing mechanism, a loading mechanism, an iron bar retrieving mechanism, and a letter machine.

[0003] After baking, the oven cover must be opened to expose the discharge port, and the capacitor elements can be removed from the oven. Since the capacitor elements are placed in rows on the baking racks, which are then stacked in layers within the oven, the discharge port must be at least as large as the baking racks to facilitate removal.

[0004] However, when unloading, capacitor elements are often removed row by row, and each time the top cover is opened, the oven's discharge port is completely exposed. This poses two major risks. One is that the oven's internal heat dissipates rapidly, hindering energy conservation. This is especially true when some capacitor elements need to be removed while the remaining elements continue to bake. The remaining elements may cool rapidly when the top cover is opened, affecting the baking effect and resulting in defective products. Another risk is that external dust and other substances may enter the oven through the exposed discharge port, contaminating the oven interior and the remaining capacitor elements. Summary of the Invention

[0005] In order to solve the above-mentioned deficiencies in the prior art, the present invention provides a capacitor oven device, a discharging method thereof, and baking equipment.

[0006] The technical problem to be solved by the present invention is achieved through the following technical solutions: A capacitor oven device, comprising: An oven box body, wherein a discharge port is provided on the top of the oven box body and a feed box door is provided on the side thereof; A heating mechanism, the heating mechanism being disposed in the oven housing and being used to heat the interior of the oven housing; A loading mechanism is provided in the oven body and is used to drive the stacked multi-layer baking racks to be lifted layer by layer to the discharge port of the oven body, wherein each layer of the baking racks is provided with a plurality of capacitor elements arranged in rows and columns; A top cover mechanism is provided on the discharge port of the oven body, and has a variable cover opening whose size and position are adjustable. The variable cover opening is adapted to the column dimensions of the baking rack or capacitor elements by adjusting its size along the column direction, and is aligned with one row of capacitor elements in each row by adjusting its position along the column direction.

[0007] Furthermore, the top cover mechanism includes an assembly cover plate and two top cover units arranged on the assembly cover plate, the assembly cover plate is fixedly arranged on the top of the oven box body and is provided with a fixed cover opening aligned with the discharge port; each top cover unit includes an opening and closing drive assembly and a stacking plate assembly, and the two stacking plate assemblies are respectively located on both sides of the fixed cover opening along the column direction; the stacking plate assembly includes a plurality of stacked movable top covers, and the two upper and lower stacked movable top covers are transmission-connected so that when the upper movable top cover moves a certain distance along the column direction, it can drive the lower movable top cover to move synchronously along the column direction; the two opening and closing drive assemblies are respectively connected to drive the uppermost movable top cover of the corresponding stacking plate assembly to move along the column direction, and the gap between the uppermost movable top covers of the two stacking plate assemblies forms the variable cover opening.

[0008] Furthermore, the two opening and closing drive assemblies respectively drive the uppermost movable top cover of the corresponding stacked plate assembly to move in the same direction to adjust the position of the variable cover along the column direction; the two opening and closing drive assemblies respectively drive the uppermost movable top cover of the corresponding stacked plate assembly to move in opposite directions to adjust the size of the variable cover along the column direction.

[0009] Furthermore, in the two movable top covers stacked up and down, a limit pin is provided on the surface of one movable top cover, and a limit groove is provided on the surface of the other movable top cover, and the limit groove extends along the column direction; the limit pin is embedded in the limit groove and can move along the column direction in the limit groove.

[0010] Furthermore, when the two movable top covers stacked up and down are completely overlapped, the limit pin moves to abut against one end of the limit slot; when the two movable top covers stacked up and down are completely unfolded, the limit pin moves to abut against the other end of the limit slot.

[0011] Furthermore, the top cover mechanism also includes a first guide member arranged on the assembly cover plate, and the first guide member is located on one side of the fixed cover opening along the row direction; the first guide member is provided with a plurality of stacked guide grooves on one side facing the two stacked plate assemblies, and each guide groove extends along the column direction; the edges of each movable top cover of the two stacked plate assemblies are embedded in the corresponding guide grooves, and can move in the guide grooves along the column direction.

[0012] Furthermore, the top cover mechanism also includes a second guide member arranged on the assembly cover plate, and the second guide member is located on the other side of the fixed cover opening along the row direction; the second guide member is provided with a guide top plate on the side facing the two stacked plate assemblies, and the guide top plate extends to above the edge of the uppermost movable top cover in the two stacked plate assemblies; the gap between the guide top plate and the two uppermost movable top covers is less than the thickness of the limit pin.

[0013] A discharging method, used in the above-mentioned capacitor oven device, comprises the following steps: Step 1: Control the loading mechanism to drive the stacked multi-layer baking racks to be lifted layer by layer, so as to lift the top baking rack to the discharge port of the oven box; Step 2: Controlling the top cover mechanism to adjust the size of the variable cover opening along the column direction so that the variable cover opening is adapted to the column dimension of the capacitor element; Step 3: Controlling the top cover mechanism to adjust the position of the variable cover along the column direction so that the variable cover is aligned with one of the rows of capacitor elements; Step 4: Remove the row of capacitor elements aligned with the variable cover from the oven box; Step 5: Repeat steps 3 and 4 until all rows of capacitors in the top baking rack are removed. Step 6: Controlling the top cover mechanism to adjust the size of the variable cover opening along the column direction so that the variable cover opening is adapted to the column dimension of the baking rack; Step 7: Take the top baking rack out of the oven box; Step 8: Repeat steps 1 to 7 until all baking racks in the oven are removed. Step 9: Control the top cover mechanism to adjust the size of the variable cover along the column direction so that the variable cover is closed.

[0014] A capacitor oven device, comprising a chassis frame and a The capacitor oven device described above; A material receiving device is located next to the capacitor oven device and includes a material receiving bin and a material discharge mechanism. The top of the material receiving bin is provided with a material feed port, and the side thereof is provided with a material discharge box door. The material discharge mechanism is arranged in the material receiving bin and is used to drive the stacked multi-layer baking racks to descend layer by layer and away from the material feed port of the material receiving bin. A material moving device is located above the capacitor oven device and the material receiving device, and includes a cell manipulator and an empty rack manipulator. The cell manipulator is used to sequentially take out and unload capacitor cells from each row in the capacitor oven device, and the empty rack manipulator is used to sequentially take out and unload baking racks from each layer in the capacitor oven device into the material receiving device.

[0015] Furthermore, the capacitor oven device further includes: A parent-child carriage device, comprising a child carriage and a mother carriage, wherein the mother carriage is used to load the child carriage, and the child carriage is used to load stacked multi-layer baking racks, the mother carriage is provided with a first slide rail, and the child carriage is provided with a directional pulley corresponding to the first slide rail; The bottom of the oven box of the capacitor oven device is provided with a second slide rail, and the bottom of the material receiving bin of the material receiving device is provided with a third slide rail; The first slide rail of the mother vehicle is in the same height as the second slide rail of the oven box and the third slide rail of the material receiving bin, so that the first slide rail can dock with the second slide rail or the third slide rail.

[0016] The present invention has the following beneficial effects: the capacitor oven device of the present invention is provided with a top cover mechanism having a variable cover on the discharge port of the oven box; when a row of capacitor elements in the oven box needs to be discharged, the variable cover is adjusted in size to adapt to the column dimensions of the capacitor elements, and is aligned with the row of capacitor elements by adjusting the position; at this time, the variable cover is smaller than the discharge port of the oven box, which can avoid the discharge port of the oven box being completely exposed, thereby reducing the risk of rapid internal heat loss and external dust pollution; only when a layer of baking rack in the oven box needs to be discharged, the variable cover is adjusted in size to adapt to the column dimensions of the baking rack, and at this time, the variable cover is equal to or larger than the discharge port of the oven box. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the placement of the capacitor element provided by the present invention in a barbecue grill.

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the capacitor oven device provided by the present invention.

[0019] Figure 3 This is a schematic diagram of the exploded structure of the capacitor oven device provided by the present invention.

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the top cover unit in the capacitor oven device provided by the present invention.

[0021] Figure 5This is a schematic diagram of the exploded structure of the upper and lower movable top covers in the capacitor oven device provided by the present invention.

[0022] Figure 6 This is a schematic diagram of the cross-sectional structure of the oven box in the capacitor oven device provided by the present invention.

[0023] Figure 7 This is a block diagram of the steps of the discharge method of the capacitor oven device provided by the present invention.

[0024] Figure 8 This is a schematic diagram of the three-dimensional structure of the capacitor oven device provided by the present invention.

[0025] Figure 9 This is a schematic diagram of the three-dimensional structure of the material receiving device and the mother-and-child carriage device in the capacitor oven equipment provided by the present invention. DETAILED DESCRIPTION

[0026] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and are not to be construed as limiting the present invention.

[0027] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0028] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first," "second," or "third" may explicitly or implicitly include one or more of such features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0029] In the present invention, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," "fixed," and "disposed" should be understood in a broad sense. For example, they may refer to fixed or detachable connections, or integration; mechanical or electrical connections; direct or indirect connections through an intermediate medium; or internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0030] Example 1 like Figure 1-3 As shown, a capacitor oven device includes: An oven box 21, wherein a discharge port 211 is provided on the top of the oven box 21, and a feed box door 212 is provided on the side thereof; A heating mechanism 22 is provided in the oven housing 21 and is used to heat the interior of the oven housing 21; A loading mechanism 23 is disposed within the oven housing 21 and is configured to lift the stacked multi-layer baking racks b layer by layer to the discharge port 211 of the oven housing 21 , wherein each layer of the baking racks b contains a plurality of capacitor elements a arranged in rows and columns. The top cover mechanism 24 is arranged on the discharge port 211 of the oven box 21, and has a variable cover 240 whose size and position are adjustable. The variable cover 240 is adapted to the column size of the baking rack b or the capacitor element a by adjusting its size along the column direction. The variable cover 240 is aligned with one row of the capacitor elements a by adjusting its position along the column direction.

[0031] The capacitor oven device of the present invention is provided with a top cover mechanism 24 having a variable cover 240 on the discharge port 211 of the oven box 21. When a row of capacitor elements a in the oven box 21 needs to be discharged, the variable cover 240 is adjusted in size to adapt to the column size of the capacitor elements a, and is aligned with the row of capacitor elements a by adjusting the position. At this time, the variable cover 240 is smaller than the discharge port 211 of the oven box 21, which can avoid the discharge port 211 of the oven box 21 from being completely exposed, thereby reducing the risk of rapid internal heat loss and external dust pollution; only when the top baking rack b needs to be discharged, the variable cover 240 is adjusted in size to adapt to the column size of the baking rack b, and at this time the variable cover 240 is equal to or larger than the discharge port 211 of the oven box 21.

[0032] When drying the capacitor elements a, multiple capacitor elements a are first welded and fixed on the same metal strip to form capacitor elements a arranged in rows; multiple rows of capacitor elements a are then placed on the baking rack b along the column direction to form multiple capacitor elements a arranged in rows and columns; then multiple layers of baking racks b are stacked up and down and sent into the oven box 21 through the feed box door 212 to be placed on the loading mechanism 23.

[0033] In this embodiment, the size and position of the variable cover 240 in the row direction are not adjustable, and the size of the variable cover 240 in the row direction is equal to or larger than the row size of the baking rack b.

[0034] like Figure 3 and 4 The top cover mechanism 24 includes an assembly cover plate 241 and two top cover units 242 arranged on the assembly cover plate 241. The assembly cover plate 241 is fixedly arranged on the top of the oven box 21 and has a fixed cover opening 243 aligned with the discharge port 211; each top cover unit 242 includes an opening and closing drive component 244 and a stacking plate component 245, and the two stacking plate components 245 are respectively located on both sides of the fixed cover opening 243 along the column direction; the stacking plate component 245 includes a stacking device There are multiple movable top covers 246 arranged, and the two movable top covers 246 stacked up and down are connected by transmission, so that when the upper movable top cover 246 moves a certain distance along the column direction, it can drive the lower movable top cover 246 to move synchronously along the column direction; the two opening and closing drive components 244 are respectively connected to drive the uppermost movable top cover 246 in the corresponding stacking plate component 245 to move along the column direction, and the gap between the uppermost movable top cover 246 of the two stacking plate components 245 forms the variable cover opening 240.

[0035] Preferably, the fixed cover opening 243 is smaller than the discharge opening 211 but equal to or larger than the baking rack b, so as to increase the space for assembling the two top cover units 242 .

[0036] The two opening and closing drive components 244 respectively drive the uppermost movable top cover 246 in the corresponding stacking plate components 245 to move in the same direction to adjust the position of the variable cover 240 along the column direction; the two opening and closing drive components 244 respectively drive the uppermost movable top cover 246 in the corresponding stacking plate components 245 to move in opposite directions to adjust the size of the variable cover 240 along the column direction.

[0037] like Figure 5As shown, in the two movable top covers 246 stacked up one above the other, a limit pin 247 is provided on the surface of one movable top cover 246, and a limit groove 248 is provided on the surface of the other movable top cover 246, and the limit groove 248 extends along the column direction; the limit pin 247 is embedded in the limit groove 248 and can move along the column direction in the limit groove 248.

[0038] When the two movable top covers 246 stacked up one above the other move relative to each other along the column direction, the limit pin 247 moves to abut against one end of the limit slot 248, and the upper movable top cover 246 drives the lower movable top cover 246 to move synchronously along the column direction through the abutting limit pin 247 and the limit slot 248.

[0039] Preferably, when the two movable top covers 246 stacked up above are completely overlapped, the limit pin 247 moves to abut against one end of the limit slot 248, and when the two movable top covers 246 stacked up above are fully unfolded, the limit pin 247 moves to abut against the other end of the limit slot 248.

[0040] like Figure 3 As shown, the top cover mechanism 24 also includes a first guide member 249 and a second guide member 2410 arranged on the assembly cover plate 241, and the first guide member 249 and the second guide member 2410 are respectively located on both sides of the fixed cover opening 243 along the row direction; the first guide member 249 is provided with a plurality of stacked guide grooves 2411 on the side facing the two stacked plate assemblies 245, and each guide groove 2411 extends along the column direction; the edges of each movable top cover 246 of the two stacked plate assemblies 245 are embedded in the corresponding guide groove 2411, and can be moved in the guide groove 2411 along the column direction; the second guide member 2410 is provided with a guide top plate 2412 on the side facing the two stacked plate assemblies 245, and the guide top plate 2412 extends to above the edge of the uppermost movable top cover 246 in the two stacked plate assemblies 245.

[0041] It should be noted that the guide top plate 2412 is not pressed onto the two topmost movable top covers 246, but has a certain gap with the two topmost movable top covers 246. The gap is smaller than the thickness of the limit pin 247 to prevent the limit pin 247 from falling out of the limit groove 248.

[0042] In this embodiment, the two opening and closing drive components 244 are both motor screw components, which are respectively arranged on both sides of the fixed cover 243 along the row direction.

[0043] like Figure 6The oven box 21 is provided with a baking cavity 214 and a heating cavity 215, and a partition 216 is provided between the baking cavity 214 and the heating cavity 215. The partition 216 is provided with ventilation holes (not shown in the figure); the loading mechanism 23 is arranged in the baking cavity 214, and the heating mechanism 22 is arranged in the heating cavity 215; the discharge port 211 is located at the top of the baking cavity 214.

[0044] The heating mechanism 22 includes a fan assembly 221 and multiple heating tubes 222. The fan assembly 221 is aligned with the ventilation holes on the partition 216 to blow the hot air heated by each heating tube 222 in the heating cavity 215 into the baking cavity 214 through the ventilation holes on the partition 216.

[0045] Example 2 like Figure 7 As shown, a discharging method is used in the capacitor oven device described in Example 1, which includes the following steps: Step 1: Control the loading mechanism 23 to drive the stacked multi-layer baking racks b to be lifted layer by layer, so as to lift the top baking rack b to the discharge port 211 of the oven box 21; Step 2: Controlling the top cover mechanism 24 to adjust the size of the variable cover opening 240 along the column direction so that the variable cover opening 240 is adapted to the column dimension of the capacitor element a; Step 3: Control the top cover mechanism 24 to adjust the position of the variable cover 240 along the column direction so that the variable cover 240 is aligned with one of the rows of capacitor elements a; Step 4: Take out the row of capacitor elements a aligned with the variable cover 240 from the oven box 21; Step 5: Repeat steps 3 and 4 until all rows of capacitor elements a in the top baking rack b are removed; Step 6: Control the top cover mechanism 24 to adjust the size of the variable cover opening 240 along the column direction so that the variable cover opening 240 is adapted to the column dimension of the baking rack b; Step 7: Take out the top baking rack b from the oven box 21; Step 8: Repeat steps 1 to 7 until all baking racks b in the oven housing 21 are removed; Step 9: Control the top cover mechanism 24 to adjust the size of the variable cover 240 along the column direction, so that the variable cover 240 is closed.

[0046] Among them, in step 4, the capacitor elements a can be taken away manually or by a special element robot; in step 7, the baking rack b can be taken away manually or by a special empty rack robot.

[0047] Example 3 like Figure 8 and 9 As shown, a capacitor oven device includes a chassis frame 10 and a The capacitor oven device 20 described in Example 1; The material receiving device 30 is located next to the capacitor oven device 20 and includes a material receiving bin 31 and a material discharge mechanism 32. The top of the material receiving bin 31 is provided with a material inlet 311, and the side thereof is provided with a material discharge box door 312; the material discharge mechanism 32 is disposed in the material receiving bin 31 and is used to drive the stacked multi-layer baking racks b to descend layer by layer and away from the material inlet 311 of the material receiving bin 31; The material moving device 40 is located above the capacitor oven device 20 and the material receiving device 30, and includes an element robot 41 and an empty rack robot 42. The element robot 41 is used to take out and discharge the capacitor elements a in each row in the capacitor oven device 20 in sequence, and the empty rack robot 42 is used to take out and discharge the baking racks b in each layer in the capacitor oven device 20 in sequence to the material receiving device 30.

[0048] During use, the baking rack b located on the top layer of the capacitor oven device 20 is taken out from the capacitor oven device 20 by the empty rack robot 42 after the capacitor elements a in each row placed thereon are taken out and unloaded by the element robot 41, and is transferred from the feed port 311 to the receiving bin 31 of the receiving device 30; each time the empty rack robot 42 places a layer of empty baking racks b into the receiving bin 31, the unloading mechanism 32 drives the multi-layer baking racks b stacked in the receiving bin 31 to descend one layer until the receiving bin 31 is filled with a preset number of layers of baking racks b; finally, the multi-layer baking racks b stacked in the receiving bin 31 are taken out together from the discharge box door 312.

[0049] Preferably, the element robot 41 can be docked with the processing equipment of the next process of the capacitor to directly transfer the rows of capacitor elements a taken out from the capacitor oven device 20 to the processing equipment of the next process for processing.

[0050] The capacitor oven device also includes: The parent-child carriage device 50 includes a child carriage 51 and a mother carriage 52. The mother carriage 52 is used to load the child carriage 51, and the child carriage 51 is used to load the stacked multi-layer baking racks b. The mother carriage 52 is provided with a first slide rail 521, and the child carriage 51 is provided with a directional pulley 511 corresponding to the first slide rail 521; The bottom of the oven box 21 of the capacitor oven device 20 is provided with a second slide rail 213, and the bottom of the material receiving bin 31 of the material receiving device 30 is provided with a third slide rail 313; The first slide rail 521 of the mother car 52 is in the same height as the second slide rail 213 of the oven box 21 and the third slide rail 313 of the material receiving bin 31 so that the first slide rail 521 can dock with the second slide rail 213 or the third slide rail 313.

[0051] When the first slide rail 521 is docked with the second slide rail 213, the sub-trolley 51 can be pushed directly from the mother cart 52 into the oven box 21, so as to facilitate the delivery of the stacked multi-layer baking racks b into the oven box 21; when the first slide rail 521 is docked with the third slide rail 313, the sub-trolley 51 can be pushed directly from the material receiving bin 31 into the mother cart 52, so as to facilitate the removal of the stacked multi-layer baking racks b from the material receiving bin 31.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention rather than to limit them. Although the embodiments of the present invention are described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the embodiments of the present invention can still be modified or replaced by equivalents, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A capacitor oven device, characterized in that: include: An oven box body, wherein a discharge port is provided on the top of the oven box body and a feed box door is provided on the side thereof; A heating mechanism, the heating mechanism being disposed in the oven housing and being used to heat the interior of the oven housing; A loading mechanism is provided in the oven body and is used to drive the stacked multi-layer baking racks to be lifted layer by layer to the discharge port of the oven body, wherein each layer of the baking racks is provided with a plurality of capacitor elements arranged in rows and columns; A top cover mechanism is provided on the discharge port of the oven body, and has a variable cover opening whose size and position are adjustable. The variable cover opening is adapted to the column dimensions of the baking rack or capacitor elements by adjusting its size along the column direction, and is aligned with one row of capacitor elements in each row by adjusting its position along the column direction.

2. The capacitor oven device according to claim 1, characterized in that: The top cover mechanism includes an assembly cover plate and two top cover units arranged on the assembly cover plate, the assembly cover plate is fixedly arranged on the top of the oven box body and is provided with a fixed cover opening aligned with the discharge port; each top cover unit includes an opening and closing drive assembly and a stacking plate assembly, and the two stacking plate assemblies are respectively located on both sides of the fixed cover opening along the column direction; the stacking plate assembly includes a plurality of stacked movable top covers, and the two upper and lower stacked movable top covers are transmission-connected so that when the upper movable top cover moves a certain distance along the column direction, it can drive the lower movable top cover to move synchronously along the column direction; the two opening and closing drive assemblies are respectively connected to drive the uppermost movable top cover of the corresponding stacking plate assembly to move along the column direction, and the gap between the uppermost movable top covers of the two stacking plate assemblies forms the variable cover opening.

3. The capacitor oven device according to claim 2, characterized in that: The two opening and closing drive assemblies respectively drive the uppermost movable top cover of the corresponding stacking plate assembly to move in the same direction to adjust the position of the variable cover along the column direction; the two opening and closing drive assemblies respectively drive the uppermost movable top cover of the corresponding stacking plate assembly to move in opposite directions to adjust the size of the variable cover along the column direction.

4. The capacitor oven device according to claim 2, characterized in that: Among the two movable top covers stacked up and down, a limit pin is provided on the surface of one movable top cover, and a limit groove is provided on the surface of the other movable top cover, and the limit groove extends along the column direction; the limit pin is embedded in the limit groove and can move along the column direction in the limit groove.

5. The capacitor oven device according to claim 4, characterized in that: When the two movable top covers stacked up above are completely overlapped, the limit pin moves to abut against one end of the limit slot. When the two movable top covers stacked up above are completely unfolded, the limit pin moves to abut against the other end of the limit slot.

6. The capacitor oven device according to claim 2, characterized in that: The top cover mechanism also includes a first guide member arranged on the assembly cover plate, and the first guide member is located on one side of the fixed cover opening along the row direction; the first guide member is provided with a plurality of stacked guide grooves on one side facing the two stacked plate assemblies, and each guide groove extends along the column direction; the edges of each movable top cover of the two stacked plate assemblies are embedded in the corresponding guide grooves and can move in the guide grooves along the column direction.

7. The capacitor oven device according to claim 4, characterized in that: The top cover mechanism also includes a second guide member arranged on the assembly cover plate, and the second guide member is located on the other side of the fixed cover opening along the row direction; the second guide member is provided with a guide top plate on the side facing the two stacked plate assemblies, and the guide top plate extends to above the edge of the uppermost movable top cover of the two stacked plate assemblies; the gap between the guide top plate and the two uppermost movable top covers is less than the thickness of the limit pin.

8. A discharging method, characterized in that: Used in the capacitor oven device according to claim 1, comprising the following steps: Step 1: Control the loading mechanism to drive the stacked multi-layer baking racks to be lifted layer by layer, so as to lift the top baking rack to the discharge port of the oven box; Step 2: Controlling the top cover mechanism to adjust the size of the variable cover opening along the column direction so that the variable cover opening is adapted to the column dimension of the capacitor element; Step 3: Controlling the top cover mechanism to adjust the position of the variable cover along the column direction so that the variable cover is aligned with one of the rows of capacitor elements; Step 4: Remove the row of capacitor elements aligned with the variable cover from the oven box; Step 5: Repeat steps 3 and 4 until all rows of capacitors in the top baking rack are removed. Step 6: Controlling the top cover mechanism to adjust the size of the variable cover opening along the column direction so that the variable cover opening is adapted to the column dimension of the baking rack; Step 7: Take the top baking rack out of the oven box; Step 8: Repeat steps 1 to 7 until all baking racks in the oven are removed. Step 9: Control the top cover mechanism to adjust the size of the variable cover along the column direction so that the variable cover is closed.

9. A capacitor oven device, characterized in that: It includes a chassis frame and a The capacitor oven device according to claim 1; A material receiving device is located next to the capacitor oven device and includes a material receiving bin and a material discharge mechanism. The top of the material receiving bin is provided with a material feed port, and the side thereof is provided with a material discharge box door. The material discharge mechanism is arranged in the material receiving bin and is used to drive the stacked multi-layer baking racks to descend layer by layer and away from the material feed port of the material receiving bin. A material moving device is located above the capacitor oven device and the material receiving device, and includes a cell manipulator and an empty rack manipulator. The cell manipulator is used to sequentially take out and unload capacitor cells from each row in the capacitor oven device, and the empty rack manipulator is used to sequentially take out and unload baking racks from each layer in the capacitor oven device into the material receiving device.

10. The capacitor oven device according to claim 9, characterized in that: The capacitor oven device also includes: A parent-child carriage device, comprising a child carriage and a mother carriage, wherein the mother carriage is used to load the child carriage, and the child carriage is used to load stacked multi-layer baking racks, the mother carriage is provided with a first slide rail, and the child carriage is provided with a directional pulley corresponding to the first slide rail; The bottom of the oven box of the capacitor oven device is provided with a second slide rail, and the bottom of the material receiving bin of the material receiving device is provided with a third slide rail; The first slide rail of the mother vehicle is in the same height as the second slide rail of the oven box and the third slide rail of the material receiving bin, so that the first slide rail can dock with the second slide rail or the third slide rail.

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