Arch breaking device with airtight sealing function and lithium battery powder bin

Abstract

The utility model belongs to the technical field of common crushing, and particularly relates to an arch breaking device with an airtight sealing function and a lithium battery powder bin, the arch breaking device with the airtight sealing function comprises a connecting flange, an upper end face and a lower end face of the connecting flange are respectively provided with an annular air groove; the outer ring part of the upper pressing ring is connected with the upper end face of the connecting flange and covers the corresponding air groove; the outer ring part of the lower pressing ring is connected with the lower end face of the connecting flange and covers the corresponding air groove; the turntable is rotationally arranged in the connecting flange, and the upper end part and the lower end part of the turntable are in concave-convex fit with the inner ring part of the upper pressing ring and the inner ring part of the lower pressing ring respectively; the two air grooves are both connected with an air source, air enters the valve from the air grooves so that positive pressure can be formed in the valve, and the air flows out from gaps between the rotary disc and the upper pressing ring and between the rotary disc and the lower pressing ring. According to the arch breaking device with the air-tight sealing function and the lithium battery powder bin, the air groove is formed and connected with the air source, so that air enters the rotary table from the gaps in the two ends of the rotary table for air-tight sealing, and powder is prevented from flowing out of the rotary table from the gaps.

Description

Technical Field

[0001] This utility model belongs to the field of general crushing technology, specifically relating to auxiliary devices, and more particularly to an arch-breaking device with airtight function and a lithium battery powder silo. Background Technology

[0002] The powder used in lithium batteries is stored in a powder silo. When it is needed, the outlet at the bottom of the powder silo is opened to let the powder flow out. However, due to compression and other reasons, the powder at the bottom of the silo tends to clump together, making it difficult for the powder to fall out of the outlet. Therefore, a paddle-equipped anti-clumping device is usually installed to break up the clumps of powder so that it can flow out.

[0003] In related technologies, the rotation of the paddle is driven by a turntable. During the process of the powder falling, it passes through the turntable. The upper and lower ends of the turntable generally adopt a labyrinth structure with concave and convex fits to prevent the powder from flowing out.

[0004] In the above structure, since the turntable needs to rotate, there will inevitably be a gap at both ends of the turntable. Although the gap is very small, a small amount of powder will still flow out of the turntable.

[0005] Therefore, how to prevent powder from flowing out of the turntable is a technical problem that urgently needs to be solved by those skilled in the art.

[0006] It should be noted that the information disclosed in this background section is only for understanding the background technology of the present application concept, and therefore, the above description is not considered to constitute prior art information. Utility Model Content

[0007] This disclosure provides at least one arch-breaking device with airtight function and a lithium battery powder silo.

[0008] In a first aspect, embodiments of this disclosure provide an arch-breaking device with an airtight function, comprising: a connecting flange, wherein an annular air groove is formed on both its upper and lower end faces; an upper pressure ring, the outer ring of which is connected to the upper end face of the connecting flange and covers the corresponding air groove; a lower pressure ring, the outer ring of which is connected to the lower end face of the connecting flange and covers the corresponding air groove; and a turntable, rotatably disposed within the connecting flange, wherein its upper and lower ends respectively engage with the inner rings of the upper and lower pressure rings; wherein both air grooves are connected to a gas source, and gas enters the valve from the air grooves to form a positive pressure inside the valve, and flows out from the gap between the turntable and the upper and lower pressure rings.

[0009] In one optional embodiment, the connecting flange includes: a mounting block; an upper flange ring connected to the upper surface of the mounting block; and a lower flange ring connected to the lower surface of the mounting block. The upper surface of the upper flange ring has the air groove, and the lower surface of the lower flange ring has the air groove. The outer ring of the upper pressure ring is connected to the upper flange ring and covers the corresponding air groove. The outer ring of the lower pressure ring is connected to the lower flange ring and covers the corresponding air groove.

[0010] In one alternative embodiment, an overflow hole is formed in the air groove; wherein the overflow hole extends to the side wall of the corresponding flange ring; the overflow hole is connected to an air source.

[0011] In one optional embodiment, the upper end face of the turntable is provided with a first annular groove, which communicates with the inner wall of the turntable; the inner ring of the upper pressure ring is provided with a first annular boss that matches the first annular groove; wherein the first annular boss and the first annular groove are in a concave-convex fit.

[0012] In one optional embodiment, a second annular groove is formed in the middle of the lower end face of the turntable; the inner ring of the lower pressure ring is provided with a second annular boss that matches the second annular groove; wherein the second annular boss and the second annular groove are in a concave-convex fit.

[0013] In one optional embodiment, both the upper flange ring and the lower flange ring are provided with annular mounting grooves; the mounting grooves are located around the air grooves; and a sealing ring is provided inside the mounting grooves.

[0014] In one alternative embodiment, the two ends of the turntable are respectively fitted with an upper flange ring and a lower flange ring with clearance.

[0015] In one optional embodiment, the turntable has an inverted V-shaped protruding ring on its side wall; a plurality of guide rollers are provided on the lower flange ring, and the guide rollers are arranged in a circle; wherein the side wall of the guide rollers is provided with a V-shaped groove; the inverted V-shaped protruding ring of the turntable is located in each V-shaped groove; a plurality of rotating wheels are provided on the upper flange ring, and the rotating wheels are arranged in a circle; wherein the side wall of the rotating wheels abuts against the side wall of the turntable.

[0016] In one alternative embodiment, the inner wall of the turntable is provided with blades; the blades are adapted to extend into the discharge port of the powder hopper.

[0017] Secondly, this disclosure also provides a lithium battery powder hopper, comprising: a powder hopper; an arch-breaking device as described above, connected to the outlet of the powder hopper; and an air source connected to each flow hole of the arch-breaking device; wherein the air source is adapted to pressurize the arch-breaking device with air to seal the gap between the two ends of the turntable.

[0018] The beneficial effect of this utility model is that the arch-breaking device and lithium battery powder silo with airtight function are connected to the air source by opening an air groove, so that the gas enters the turntable from the gap at both ends of the turntable to achieve airtightness and prevent the powder from flowing out of the turntable from the gap.

[0019] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other advantages of this invention are realized and obtained through the structures particularly pointed out in the description and the accompanying drawings.

[0020] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described in detail below with reference to the accompanying drawings. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of a structure of an arch-breaking device with an airtight function provided in an embodiment of this disclosure;

[0023] Figure 2 An embodiment provided by this disclosure Figure 1 Enlarged structural diagram at point A;

[0024] Figure 3 An embodiment provided by this disclosure Figure 1 Enlarged structural diagram at point B;

[0025] Figure 4 An embodiment provided by this disclosure Figure 1 Enlarged structural diagram at point C;

[0026] Figure 5 A cross-sectional view of a turntable provided in an embodiment of this disclosure;

[0027] Figure 6 A schematic diagram of the installation structure of a guide rail roller and a rotating wheel provided in an embodiment of this disclosure;

[0028] Figure 7 This is a schematic diagram of the installation structure of an arch-breaking device with an airtight function provided in an embodiment of this disclosure.

[0029] In the picture:

[0030] Connecting flange 1, air groove 11, mounting block 12, partition plate 121, upper flange ring 13, lower flange ring 14, flow hole 15, mounting groove 16, sealing ring 17, guide rail roller 18, V-groove 181, and rotating wheel 19;

[0031] Upper pressure ring 2, first annular boss 21;

[0032] Lower pressure ring 3, second annular boss 31, flow channel 32;

[0033] Turntable 4, first annular groove 41, second annular groove 42, inverted V-shaped convex ring 43;

[0034] 5 blades;

[0035] Powder silo 6, discharge port 61. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0037] It should be noted that similar reference numerals and letters in the following figures indicate similar items; therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures. Furthermore, in the figures, the thickness of parts may be exaggerated or reduced for the purpose of effectively depicting the technical content.

[0038] The following detailed description, with reference to the accompanying drawings, describes some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0039] like Figures 1 to 3 As shown, at least one embodiment provides an arch-breaking device with an airtight function, comprising: a connecting flange 1, with annular air grooves 11 on both its upper and lower ends; an upper pressure ring 2, the outer ring of which is connected to the upper end of the connecting flange 1 and covers the corresponding air grooves 11; a lower pressure ring 3, the outer ring of which is connected to the lower end of the connecting flange 1 and covers the corresponding air grooves 11; and a turntable 4, rotatably disposed within the connecting flange 1, with its upper and lower ends respectively engaging with the inner rings of the upper pressure ring 2 and the lower pressure ring 3; wherein both air grooves 11 are connected to an air source, and gas enters the valve from the air grooves 11 to create positive pressure within the valve, and flows out from the gap between the turntable 4 and the upper and lower pressure rings 2 and 3.

[0040] In this embodiment, since the turntable 4 needs to rotate within the connecting flange 1, there will be a gap at both ends of the turntable 4. Although the gap is very small and a concave-convex fit sealing method is used, a small amount of powder will still flow out of the turntable. Therefore, in this embodiment, an air source is used to pressurize the connecting flange 1 with air, so that the gas enters the turntable 4 through the gap at both ends of the turntable 4 to achieve an air seal, thereby preventing the powder from flowing out of the turntable 4.

[0041] like Figure 1 As shown, in some embodiments, the connecting flange 1 includes: a mounting block 12; an upper flange ring 13 connected to the upper surface of the mounting block 12; a lower flange ring 14 connected to the lower surface of the mounting block 12; an air groove 11 is formed on the upper surface of the upper flange ring 13, and an air groove 11 is formed on the lower surface of the lower flange ring 14; the outer ring of the upper pressure ring 2 is connected to the upper flange ring 13 and covers the corresponding air groove 11; the outer ring of the lower pressure ring 3 is connected to the lower flange ring 14 and covers the corresponding air groove 11.

[0042] In this embodiment, the connecting flange 1 adopts a split design, which facilitates the installation of components such as turntable 4, guide rail roller 18, turntable 19, and driver.

[0043] like Figures 2 to 4 As shown, in some embodiments, a partition 121 is provided between the upper flange ring 13 and the lower flange ring 14; the upper end of the partition 121 is connected to the upper flange ring 13, and the lower end of the partition 121 is connected to the lower flange ring 14, thereby forming a chamber between the partition 121 and the turntable 4.

[0044] Specifically, the lower pressure ring 3 and the lower flange ring 14 are connected by threads. The lower pressure ring 3 has a flow channel 32, which connects the gas groove 11 and the chamber, so that the gas in the gas groove 11 creates positive pressure in the valve. Finally, the gas in the valve flows out of the chamber from the gap at both ends of the turntable 4 to prevent powder from entering the chamber. The upper pressure ring 2 and the upper flange ring 13 are similar.

[0045] like Figure 2 , Figure 3 As shown, in some embodiments, an overflow hole 15 is provided in the air groove 11; wherein the overflow hole 15 extends to the side wall of the corresponding flange ring; the overflow hole 15 is connected to the air source.

[0046] In this embodiment, the air source may be, but is not limited to, an air pump; the air source fills the air tank 11 with air through the flow hole 15 so that the gas overflows from the air tank 11 and flows to the gap at both ends of the turntable 4.

[0047] like Figure 5As shown, in some embodiments, the upper end face of the turntable 4 is provided with a first annular groove 41, which communicates with the inner wall of the turntable 4; the inner ring of the upper pressure ring 2 is provided with a first annular boss 21 that is adapted to the first annular groove 41; wherein, the first annular boss 21 and the first annular groove 41 are in concave-convex fit.

[0048] like Figure 5 As shown, in some embodiments, a second annular groove 42 is provided in the middle of the lower end face of the turntable 4; the inner ring of the pressure ring 3 is provided with a second annular boss 31 that is adapted to the second annular groove 42; wherein, the second annular boss 31 and the second annular groove 42 are in concave-convex fit.

[0049] In this embodiment, the two ends of the turntable 4 are fitted with concave and convex shapes, which can prevent most of the powder from flowing out of the turntable 4.

[0050] like Figure 2 , Figure 3 As shown, in some embodiments, both the upper flange ring 13 and the lower flange ring 14 are provided with annular mounting grooves 16; the mounting grooves 16 are located around the air grooves 11; and a sealing ring 17 is provided inside the mounting grooves 16.

[0051] In this embodiment, by setting the sealing ring 17, the gas in the gas groove 11 will only flow into the turntable 4 and will not flow out of the connecting flange 1.

[0052] In some embodiments, the two ends of the turntable 4 are respectively fitted with the upper flange ring 13 and the lower flange ring 14 with clearance.

[0053] In this embodiment, since the turntable 4 needs to rotate within the connecting flange 1, the two ends of the turntable 4 need to be fitted with a clearance to facilitate rotation; at the same time, because a clearance is required, a small amount of powder will still flow out of the turntable 4 through the gap, so by setting the above-mentioned airtight mechanism, it is ensured that the powder will not flow out of the turntable 4 due to the gap.

[0054] like Figure 6 As shown, in some embodiments, the sidewall of the turntable 4 is provided with an inverted V-shaped protrusion ring 43; a plurality of guide rollers 18 are provided on the lower flange ring 14, and the guide rollers 18 are arranged in a circle; wherein the sidewall of the guide rollers 18 is provided with a V-shaped groove 181; the inverted V-shaped protrusion ring 43 of the turntable 4 is located in each V-shaped groove 181; a plurality of rotating wheels 19 are provided on the upper flange ring 13, and the rotating wheels 19 are arranged in a circle; wherein the sidewall of the rotating wheels 19 abuts against the sidewall of the turntable 4.

[0055] In this embodiment, the guide roller 18 is used to hold the turntable 4 in place. The V-groove 181 holds the inverted V-shaped protrusion 43 in place, so that the turntable 4 can rotate and is set inside the connecting flange 1 without falling off.

[0056] like Figure 6 , Figure 7 As shown, in some embodiments, the inner wall of the turntable 4 is provided with blades 5; the blades 5 are adapted to extend into the discharge port 61 of the powder hopper 6.

[0057] Specifically, the inner wall of the turntable 4 is provided with an installation block, one end of the blade 5 is connected to the installation block, and the other end extends into the discharge port 61 of the powder silo 6.

[0058] In this embodiment, when the turntable 4 rotates, it drives the paddle 5 to rotate, thereby breaking up the clumps of powder at the discharge port 61, making it easier for the powder to fall off.

[0059] like Figure 7 As shown, at least one embodiment also provides a lithium battery powder hopper, including: a powder hopper 6; an arch-breaking device connected to the outlet 61 of the powder hopper 6; and an air source connected to each flow hole 15 of the arch-breaking device; wherein the air source is adapted to fill the arch-breaking device with air to seal the gap at both ends of the turntable 4.

[0060] For details on the specific structure and implementation process of the arch-breaking device, please refer to the relevant discussion in the above embodiments, which will not be repeated here.

[0061] In summary, the arch-breaking device and lithium battery powder hopper with this airtight function achieve an airtight seal by opening an air groove 11 and connecting the air groove 11 to the air source, so that gas enters the turntable 4 from the gap at both ends of the turntable 4 to prevent the powder from flowing out of the turntable 4.

[0062] In this document, when it is said that the first component is located on the second component, this can mean that the first component can be directly formed on the second component, or that the third component can be inserted between the first component and the second component.

[0063] In this document, when an element or layer is referred to as “located,” “joined to,” “connected to,” “attached to,” or “coupled to” another element or layer, it may be directly located, joined, connected, attached to, or coupled to the other element or layer, or there may be intermediate elements or layers present. Conversely, when an element is referred to as “directly on another element or layer,” “directly joined to,” “directly connected to,” “directly attached to,” or “directly coupled to” another element or layer, there may be no intermediate elements or layers present. Other terms used to describe relationships between elements should be interpreted in a similar manner (e.g., “between” versus “directly between,” “adjacent” versus “directly adjacent,” etc.). As used herein, the term “and / or” includes any and all combinations of one or more of the related listed items.

[0064] In this document, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. As used herein, expressions such as “at least one of…” modify the entire list of elements when following a list of elements, rather than individual elements in the list. For example, the expression “at least one of a, b, and c” should be understood to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.

[0065] The terminology used herein is for the purpose of describing specific exemplary configurations only and is not intended to be limiting. As used herein, the singular articles “a,” “an,” and “the” may also be intended to include plural forms unless otherwise clearly stated herein. The terms “comprising,” “including,” and “having” are inclusive and thus specify the presence of features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein should not be construed as requiring them to be performed in the specific order discussed or shown, unless specifically identified as such. Additional or alternative steps may be employed.

[0066] As used herein, the phrases “in one embodiment,” “according to one embodiment,” “in some embodiments,” etc., generally refer to the fact that a particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of this disclosure. Therefore, a particular feature, structure, or characteristic can be included in more than one embodiment of this disclosure, such that these phrases do not necessarily refer to the same embodiment. As used herein, the terms “example,” “exemplary,” etc., are used to “serve as an example, instance, or illustration.” Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or superior to other implementations, aspects, or designs. Rather, the use of the terms “example,” “exemplary,” etc., is intended to present concepts in a specific manner.

[0067] In the description of the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0068] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and 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 of this utility model. Furthermore, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence unless expressly indicated herein. Therefore, without departing from the teachings of the exemplary embodiments, the first element, component, region, layer, or segment discussed above may be referred to as the second element, component, region, layer, or segment.

[0069] Spatially relative terms, such as “inside,” “outside,” “below,” “below,” “down,” “above,” “up,” etc., may be used herein to describe the relationship between one element or feature illustrated in the figures and another element or feature. In addition to the orientations depicted in the figures, spatially relative terms may be intended to cover different orientations of the device in use or operation. For example, if the device in the figure is flipped, an element described as “below” or “below” other elements or features would be oriented as “above” other elements or features. Thus, the example term “below” can cover both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.

[0070] In the above discussion, unless otherwise stated, when used to describe numerical values, the terms “about,” “approximately,” “basically,” etc., indicate a change of + / - 10% in that value.

[0071] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. An arch-breaking device with an airtight function, characterized in that, include: The connecting flange (1) has an annular air groove (11) on both its upper and lower ends. The upper pressure ring (2) has its outer ring connected to the upper end face of the connecting flange (1) and covers the corresponding air groove (11). The lower pressure ring (3) has its outer ring connected to the lower end face of the connecting flange (1) and covers the corresponding air groove (11). The turntable (4) is rotatably set inside the connecting flange (1), and its upper and lower ends are respectively in concave-convex fit with the inner ring of the upper pressure ring (2) and the inner ring of the lower pressure ring (3); Both of the gas grooves (11) are connected to a gas source. Gas enters the valve from the gas groove (11) to create a positive pressure inside the valve and flows out from the gap between the turntable (4) and the upper pressure ring (2) and the lower pressure ring (3).

2. The arch-breaking device with airtight function as described in claim 1, characterized in that, The connecting flange (1) includes: Install block (12); The upper flange ring (13) is connected to the upper surface of the mounting block (12); The lower flange ring (14) is connected to the lower surface of the mounting block (12); The upper surface of the upper flange ring (13) is provided with the air groove (11), and the lower surface of the lower flange ring (14) is provided with the air groove (11). The outer ring of the upper pressure ring (2) is connected to the upper flange ring (13) and covers the corresponding air groove (11). The outer ring of the lower pressure ring (3) is connected to the lower flange ring (14) and covers the corresponding air groove (11).

3. The arch-breaking device with airtight function as described in claim 2, characterized in that, The air groove (11) is provided with an overflow hole (15); wherein The flow passage (15) extends to the sidewall of the corresponding flange ring; The flow passage (15) is connected to the air source.

4. The arch-breaking device with airtight function as described in claim 3, characterized in that, The upper end face of the turntable (4) is provided with a first annular groove (41), and the first annular groove (41) is connected to the inner wall of the turntable (4). The inner ring of the upper pressure ring (2) is provided with a first annular boss (21) that is adapted to the first annular groove (41). The first annular boss (21) and the first annular groove (41) are in a concave-convex fit.

5. The arch-breaking device with airtight function as described in claim 4, characterized in that, A second annular groove (42) is provided in the middle of the lower end face of the turntable (4). The inner ring of the pressure ring (3) is provided with a second annular boss (31) that is adapted to the second annular groove (42). The second annular boss (31) and the second annular groove (42) are in a concave-convex fit.

6. The arch-breaking device with airtight function as described in claim 5, characterized in that, Both the upper flange ring (13) and the lower flange ring (14) are provided with annular mounting grooves (16). The mounting groove (16) is located on the periphery of the air groove (11); A sealing ring (17) is provided in the mounting groove (16).

7. The arch-breaking device with airtight function as described in claim 6, characterized in that, The two ends of the turntable (4) are respectively fitted with the upper flange ring (13) and the lower flange ring (14) with clearance.

8. The arch-breaking device with airtight function as described in claim 7, characterized in that, The side wall of the turntable (4) is provided with an inverted V-shaped protrusion (43). The lower flange ring (14) is provided with a plurality of guide rollers (18), and the guide rollers (18) are arranged in a circle; wherein The side wall of the guide roller (18) is provided with a V-groove (181). The inverted V-shaped protrusion (43) of the turntable (4) is located in each V-shaped groove (181); The upper flange ring (13) is provided with a plurality of rotating wheels (19), and the rotating wheels (19) are arranged in a circle; wherein The side wall of the wheel (19) abuts against the side wall of the turntable (4).

9. The arch-breaking device with airtight function as described in claim 8, characterized in that, The inner wall of the turntable (4) is provided with blades (5); The blade (5) is adapted to extend into the outlet (61) of the powder silo (6).

10. A lithium battery powder silo, characterized in that, include: Powder silo (6); The arch-breaking device as described in any one of claims 1-9 is connected to the discharge port (61) of the powder silo (6); The air source is connected to each flow hole (15) of the arch-breaking device; among which The gas source is suitable for filling the arch-breaking device with air to seal the gap between the two ends of the turntable (4).

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