Pole piece bearing material box

Abstract

The utility model relates to the technical field of secondary battery equipment, and provides a pole piece bearing material box. The pole piece bearing material box comprises a bottom plate, a flexible layer and a plurality of stand columns. The bottom plate is used for supporting pole pieces. The multiple stand columns are arranged at intervals or adjacently in the circumferential direction of the bottom plate and arranged on the edge of the bottom plate. The plurality of vertical columns and the bottom plate are jointly arranged in the accommodating space in a surrounding manner; the vertical columns are at least used for limiting the pole pieces; the flexible layer is arranged on the side, facing the containing space, of the stand column. According to the pole piece bearing material box, the buffering effect of the flexible layer is utilized, on the basis that storage and operation of the pole pieces are met, the risk that the pole pieces are bumped to generate burrs or are damaged in the operation process is reduced, and the protectiveness of the pole pieces is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of secondary battery equipment, in particular to an electrode tab bearing box. BACKGROUND

[0002] As a key component of a secondary battery, the positive and negative electrode tabs mainly determine important indicators such as energy density and voltage of the secondary battery. Among them, the burr of the electrode tab has a greater impact on the manufacturing of the secondary battery. The burr inside the battery cell can cause short circuit and self-discharge of the battery to increase, and in severe cases, it can even cause short circuit and heat runaway problems. Therefore, the burr of the electrode tab is strictly controlled during the manufacturing process of the secondary battery.

[0003] In the related art, the electrode tab is usually stored or transported by using a box. However, during the transportation process, due to inertia or shaking, the edge or corner of the electrode tab is particularly prone to bumping with the box, thereby causing burrs or damage. CONTENT OF THE UTILITY MODEL

[0004] Therefore, it is necessary to provide an electrode tab bearing box, which can reduce the risk of burrs or damage of the electrode tab caused by bumping during the transportation process and improve the protection of the electrode tab on the basis of meeting the storage and transportation of the electrode tab.

[0005] An electrode tab bearing box comprises:

[0006] a bottom plate for supporting the electrode tab;

[0007] a plurality of columns arranged at the edge of the bottom plate, the plurality of columns and the bottom plate collectively surrounding a receiving space, and the columns being used at least for limiting the electrode tab;

[0008] a flexible layer arranged on the side of the column facing the receiving space.

[0009] It can be understood that the electrode tab can be placed in the receiving space and supported by the bottom plate, facilitating the transportation of the electrode tab to the target position. The plurality of columns cooperates to limit the electrode tab, avoiding the problem that the electrode tab is easy to slide out of the receiving space during the transportation process, thereby maintaining the stable storage of the electrode tab in the receiving space. In this process, the setting of the flexible layer can increase the buffer force when the electrode tab collides with the column, reduce the damage of the electrode tab caused by bumping, and thereby improve the problems such as burrs, even damage of the electrode tab caused by bumping, and improve the qualified rate of the electrode tab and the safety of the battery.

[0010] In some embodiments, the side of the column facing the receiving space is provided with a mounting groove, and the flexible layer is arranged in the mounting groove.

[0011] In some embodiments, the side of the flexible layer facing the receiving space is flush with the side of the column facing the receiving space.

[0012] In some embodiments, the flexible layer is detachably connected or adhesively fixed to the column.

[0013] In some embodiments, the column is provided with a mounting groove for mounting the flexible layer, the mounting groove is in the shape of an I-shaped groove, the cross section of the flexible layer is in the shape of an I-shaped groove matching the mounting groove, and the flexible layer is engaged with the mounting groove.

[0014] In some embodiments, the end of the column away from the bottom plate is provided with a clearance portion, the clearance portion is arranged above the flexible layer and is spaced apart from the flexible layer in the vertical direction.

[0015] In some embodiments, the end of the column is inclined from bottom to top and from inside to outside to form the clearance portion.

[0016] In some embodiments, the distance between the bottom of the clearance portion and the top of the flexible layer is between 1-20mm; or, the distance between the clearance portion and the flexible layer is 1%-10% of the vertical height of the flexible layer.

[0017] In some embodiments, the pole piece carrying box further comprises a supporting plate, the supporting plate is arranged on the side of the bottom plate facing the accommodation space, and the supporting plate is used for carrying pole pieces.

[0018] In some embodiments, a plurality of columns are arranged at intervals, and an avoidance channel communicating with the accommodation space is arranged between any adjacent columns; the supporting plate is provided with a protruding portion, and the protruding portion can pass through the avoidance channel.

[0019] In some embodiments, the supporting plate is provided with a detection hole, and the detection hole is used for detecting whether the supporting plate carries pole pieces.

[0020] In some embodiments, the middle part or the position close to the middle part of the bottom plate is provided with a jacking hole, and the jacking hole is used for a jacking mechanism to pass through to lift the pole pieces.

[0021] In some embodiments, the jacking hole has a larger hole diameter than the detection hole. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0023] Figure 1 A schematic diagram of an electrode carrier box provided in an embodiment of this application;

[0024] Figure 2 for Figure 1 A schematic diagram showing the interaction between the flexible layer, the pillar, and the electrode in the provided electrode carrier box;

[0025] Figure 3 for Figure 1 Exploded view of the flexible layer and column in the provided electrode support box;

[0026] Figure 4 An exploded view of the flexible layer and column in the electrode support box provided in another embodiment of this application;

[0027] Figure 5 A schematic diagram of an electrode carrier box provided in another embodiment of this application;

[0028] Figure 6 for Figure 5 A schematic diagram of the tray in the provided electrode carrier box;

[0029] Figure 7 A schematic diagram of an electrode carrier box provided in another embodiment of this application;

[0030] Figure 8 This is a schematic diagram of an electrode carrier box provided in another embodiment of this application.

[0031] Reference numerals: 110, base plate; 111, corner; 112, side; 120, column; 121, mounting groove; 122, clearance part; 1201, clearance passage; 120a, first column; 120b, second column; 130, flexible layer; 140, support plate; 141, protrusion; 142, inspection hole; 150, support member; 200, electrode sheet; 1001, accommodating space; 1101, lifting hole; 1102, adjustment hole; 1200, column assembly. Detailed Implementation

[0032] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0033] It is to be noted that when a component is referred to as being "on" or "disposed on" another component, it can be directly on the other component or intervening components can also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components can also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right", and similar terms as used in the description of the present application are for the purpose of illustration only and do not indicate an exclusive embodiment.

[0034] In addition, the terms "first", "second", and the like, are used merely as labels, and are not intended to signify relative importance or a quantity of constitutes. Accordingly, a feature defined with a "first", "second" can explicitly or implicitly include at least one of the feature. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless explicitly and specifically defined otherwise.

[0035] In the present application, unless explicitly and specifically defined otherwise, "on", "under", "above", and "over" of a first feature to a second feature can mean that the first feature is in direct contact with the second feature, or the first feature is in indirect contact with the second feature through an intermediate medium. Moreover, "above", "over", and "on" of a first feature to a second feature can mean that the first feature is directly above or obliquely above the second feature, or only means that the first feature is horizontally higher than the second feature. "Below", "under", and "underneath" of a first feature to a second feature can mean that the first feature is directly below or obliquely below the second feature, or only means that the first feature is horizontally lower than the second feature.

[0036] Unless otherwise defined, all technical and scientific terms used in the specification of the present application have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the specification of the present application includes any and all combinations of one or more of the associated listed items.

[0037] Please refer to Figure 1 , Figure 2 and Figure 5 , an embodiment of the present application provides an electrode piece bearing magazine, comprising a bottom plate 110, a flexible layer 130, and a plurality of columns 120. The bottom plate 110 is used to support the electrode piece 200, and the plurality of columns 120 are arranged in a circumferential direction of the bottom plate 110 and are adjacent to each other or are arranged at edges of the bottom plate 110. The plurality of columns 120 and the bottom plate 110 jointly enclose a containing space 1001, and the columns 120 are used to limit the electrode piece 200. The flexible layer 130 is arranged on a side of the columns 120 facing the containing space 1001.

[0038] The pole piece 200 can be placed in the accommodation space 1001 and supported by the bottom plate 110, facilitating the transportation of the pole piece 200 to the target position. The plurality of columns 120 cooperate with each other to limit the pole piece 200, avoiding the problem that the pole piece 200 is easy to slide out of the accommodation space 1001 during transportation, thereby maintaining that the pole piece 200 can be stably stored in the accommodation space 1001. In this process, it is just due to the arrangement of the flexible layer 130 that the buffer force when the pole piece 200 collides with the column 120 can be increased. When the pole piece 200 shakes during transportation, the pole piece 200 first contacts the flexible layer 130, and then the buffer effect of the flexible layer 130 is used to reduce the damage of the pole piece 200 caused by collision, thereby improving the problem that burrs and even damage of the pole piece 200 caused by collision, and even reducing the defects such as warping, burrs and material falling caused by the collision of the pole piece 200 from about 30% to 0.1%, improving the pole piece 200 qualification rate and battery safety.

[0039] Referring to Figure 1 and Figure 2 In some embodiments, each column 120 can be provided with a flexible layer 130 on one side facing the accommodation space 1001, and each flexible layer 130 is independent of each other.

[0040] Alternatively, a plurality of columns 120 are provided with a complete flexible layer 130 on one side facing the accommodation space 1001. For example, the projection of the bottom plate 110 is a rectangle, and a flexible layer 130 with a length adapted to the side length is arranged on each of the four sides 112. The same flexible layer 130 is connected with at least two spaced columns 120.

[0041] Among them, the length of the plurality of columns 120 extends along the Z-axis direction, and the projection of the bottom plate 110 along the Z-axis direction is a quadrilateral shape adapted to the shape of the pole piece 200. The plurality of columns 120 are arranged on each of the four sides 112 of the bottom plate 110 to limit the pole piece 200 around. For example, at least two spaced columns 120 can be arranged on each side 112. Of course, the projection of the bottom plate 110 is not limited to a quadrilateral shape, as long as it can be adapted to the shape of the pole piece 200, and the outer periphery of the pole piece 200 can be limited by the corresponding column 120.

[0042] Referring to Figure 7In actual use, each stand 120 can be detachably connected with the bottom plate 110, so as to replace the stand 120 or the bottom plate 110, or adjust the mounting position of the stand 120 relative to the bottom plate 110. For example, each stand 120 is detachably connected with the bottom plate 110 by screws. In some specific embodiments, the bottom plate 110 is provided with a plurality of adjustment holes 1102 arranged at intervals along the circumference of the bottom plate 110, and each adjustment hole 1102 can selectively connect a stand 120. Such an arrangement facilitates adjustment of the mounting position of each stand 120 relative to the bottom plate 110, thereby adjusting the limiting position relative to the pole piece, improving the flexibility of use, and facilitating adjustment of the stand 120 according to the size of the pole piece, thereby improving the adaptability. For example, each side edge of the bottom plate 110 is provided with a plurality of adjustment holes 1102 arranged at intervals, so as to meet the adjustment of the mounting position of the stand 120.

[0043] Referring to Figures 2 to 4 As some examples, the flexible layer 130 is detachably connected with the stand 120. Such an arrangement facilitates replacement of the flexible layer 130. For example, when the flexible layer 130 is damaged by scratching, it can be removed and replaced with a new flexible layer 130. The flexible layer 130 can be snap-fitted with the stand 120, or fixed to the stand 120 by screws. When snap-fitted or fixed by screws, the structure for snap-fitting or the screws should not protrude from the side of the flexible layer 130 facing the accommodation space.

[0044] Alternatively, the flexible layer 130 is adhesively fixed to the stand 120. Such an arrangement improves the connection reliability of the flexible layer 130 and the stand 120, and reduces the risk of loosening of the flexible layer 130 affecting the pole piece 200. The flexible layer 130 and the stand 120 can be adhesively fixed by means of glue dispensing.

[0045] Referring to Figures 1 to 4 In yet other embodiments, the side of the stand 120 facing the accommodation space 1001 is provided with a mounting groove 121, and the flexible layer 130 is arranged in the mounting groove 121. The mounting groove 121 is used to meet the assembly of the flexible layer 130 relative to the stand 120, increase the connection area between the flexible layer 130 and the stand 120, and thereby improve the connection reliability.

[0046] As Figure 1 and Figure 3As shown in FIG. 12, the side of the column 120 facing the accommodation space 1001 is a first side, and the mounting groove 121 is recessed from the first side along the thickness direction of the column 120, and the cross section of the mounting groove 121 is L-shaped. At least part of the flexible layer 130 is accommodated in the mounting groove 121, and the mounting groove 121 has a connection area along the length direction of the column 120 and along the thickness direction of the column 120. At this time, the flexible layer 130 can be bonded to the column 120, or fixed to the column 120 by screws. Of course, one of the flexible layer 130 and the column 120 is provided with a clamping hole, and the other is provided with a clamping arm, and the clamping and fitting mode formed by the clamping arm and the clamping hole can also satisfy the detachable connection of the flexible layer 130 and the column 120.

[0047] As shown in FIG. 12, further, the mounting groove 121 is an I-shaped groove, and the cross section of the flexible layer 130 is an I-shaped groove matched with the mounting groove 121, and the flexible layer 130 is clamped and fitted with the mounting groove 121. By using the I-shaped matching mode, good support and fixing effect can be provided when the flexible layer 130 is clamped and assembled with the column 120, thereby improving the connection reliability. Figure 4

[0048] In other embodiments, the flexible layer 130 can be provided with a mounting groove, and the column 120 can be provided with a structure matched and fitted with the mounting groove, as long as it can satisfy the assembly of the flexible layer 130 and the column 120.

[0049] Please refer to Figure 1 and Figure 2 In some embodiments, the side of the flexible layer 130 facing the accommodation space 1001 is flush with the side of the column 120 facing the accommodation space 1001. That is, the flexible layer 130 is entirely accommodated in the mounting groove 121, so as to ensure that the flexible layer 130 does not protrude from the column 120 along the thickness direction of the column 120. In this way, when the pole piece 200 or other structures are put into the accommodation space 1001, the problem of scratching the flexible layer 130 is alleviated.

[0050] The flexible layer 130 is made of a soft material. That is, the flexible layer 130 is made of a soft material, such as silica gel, foam, etc. Silica gel and foam have low cost, and have good flexibility and elasticity, which can provide better buffering effect and improve the protection of the pole piece 200. At the same time, silica gel and foam have light weight, which is beneficial to the lightweight design of the entire pole piece carrying box.

[0051] Please continue to refer to Figures 1 to 4 ​Optionally, the end of the column 120 facing away from the base plate 110 is provided with a clearance portion 122. The clearance portion 122 is located above the flexible layer 130 and is arranged vertically spaced from the flexible layer 130. The clearance portion 122 guides the insertion of the electrode 200 or other structures, improving the convenience of placing and removing the electrode 200 and reducing bumps. Moreover, the clearance portion 122 and the flexible layer 130 are arranged spaced apart along the Z-axis, ensuring that the bottom end of the flexible layer 130 does not directly contact the clearance portion 122, which is equivalent to adding a buffer distance along the Z-axis for the insertion receiving space 1001. When the electrode 200 or other structures enter the receiving space 1001 guided by the clearance portion 122, they can first move down a certain distance to align before moving to the corresponding position on the flexible layer 130, reducing scratches on the flexible layer 130 and improving protection.

[0052] like Figure 5 As shown, in actual use, the electrode carrier box also includes a tray 140, which is located on the side of the base plate 110 facing the receiving space 1001. The tray 140 is used to support the electrode 200. When storing the electrode 200, the tray 140 needs to be placed in the receiving space 1001 first, and then the electrode 200 is stacked on the tray 140. When placing the tray 140, the aforementioned clearance portion 122 can guide the tray 140, thereby guiding the tray 140 to be smoothly installed.

[0053] Understandably, since the tray 140 is often not directly aligned when inserted into the electrode carrier box, the clearance portion 122 serves as a guide. In this process, if the flexible layer 130 were directly positioned at the bottom of the clearance portion 122, the tray 140 might come into direct contact with the flexible layer 130 before reaching its final position. The horizontal movement of the tray 140 during its downward movement could cause the flexible layer 130 to be scratched. Therefore, the spaced arrangement of the clearance portion 122 and the flexible layer 130 effectively adds a buffer distance for inserting the tray 140 along the Z-axis. The tray 140 can only move to the corresponding position on the flexible layer 130 after being aligned by the clearance portion 122, thus improving the protection of the flexible layer 130.

[0054] Further, the end of the column 120 extends obliquely from top to bottom and from inside to outside to form a let-out portion 122. Such a setting causes the pole piece carrying box at the top end of the column 120 to be trumpet-shaped, gradually decreasing in size from top to bottom. Moreover, such a setting causes the let-out portion 122 to be integrally formed at the top end of the column 120, without the need to add other structures, which is beneficial to production and manufacturing. At the same time, the bottom plate 110 is also provided with a supporting plate 140 to support the pole piece 200, which is beneficial to moving the pole piece 200 through the supporting plate 140 by using other structures. It can be understood that, if the supporting plate 140 is not provided, when all the pole pieces 200 in the accommodation space 1001 need to be lifted along the Z-axis direction, the lifting structure needs to be in direct contact with the bottommost pole piece 200, which is easy to cause damage to the pole piece 200. Therefore, by using the supporting plate 140, the lifting structure is in direct contact with the supporting plate 140 to achieve lifting, which improves the protection of the pole piece 200.

[0055] Please refer to Figures 2 to 5 Further, the distance between the bottom of the let-out portion 122 and the top of the flexible layer 130 is between 1-20mm. The distance between the let-out portion 122 and the flexible layer 130 should not be too large or too small. If the distance is too small, it will shorten the aforementioned buffer distance and also cause the flexible layer 130 to be scratched by the supporting plate 140. However, if the distance is too large, it will cause the size of the flexible layer 130 along the Z-axis direction to be too small, and thus the pole piece 200 close to the top end of the column 120 cannot be covered by the flexible layer 130, which has a risk of damaging the pole piece 200.

[0056] In some specific embodiments, the distance between the bottom of the let-out portion 122 and the top of the flexible layer 130 can be 1mm, 8mm, 12mm, 16mm or 20mm. Herein, only examples are given.

[0057] In other embodiments, the distance between the let-out portion 122 and the flexible layer 130 is 1%-10% of the height of the flexible layer 130 in the vertical direction (i.e. the Z-axis direction). Similarly, such a setting can also ensure that the let-out portion 122 and the flexible layer 130 have a certain buffer distance, which improves the protection of the flexible layer 130 and improves the problem that the flexible layer 130 is easily scratched. Moreover, such a setting is beneficial to adjusting the corresponding distance according to the actual height of the flexible layer 130, which improves the adaptability of the distance. In some specific embodiments, the distance between the let-out portion 122 and the flexible layer 130 is 1%, 5%, 8% or 10% of the height of the flexible layer 130. Herein, only examples are given.

[0058] As Figure 5As shown, as some exemplary, a plurality of columns 120 are arranged at intervals, and any adjacent column 120 is provided with an avoidance passage 1201 communicating with the containing space 1001. The supporting plate 140 is provided with a protruding portion 141 capable of penetrating the avoidance passage 1201. That is, by providing the avoidance passage 1201, the protruding portion 141 on the supporting plate 140 can be caused to extend out of the containing space 1001, reducing the installation interference of the supporting plate 140; and by cooperation of the protruding portion 141 and the avoidance passage 1201, the assembly of the supporting plate 140 can also be limited, so as to improve the assembly stability of the supporting plate 140.

[0059] Please refer to Figure 5 and Figure 6 Optionally, the middle or position close to the middle of the bottom plate 110 is provided with a jacking hole 1101 for penetrating the jacking structure to lift the pole piece 200. As described above, the provision of the supporting plate 140 facilitates direct contact with the jacking structure, improving the protection of the pole piece 200. Therefore, the jacking hole 1101 is provided on the bottom plate 110 to facilitate the penetration of the jacking structure. The jacking hole 1101 is arranged at the middle or position close to the middle of the bottom plate 110 to ensure that the jacking structure can act on the middle or position close to the middle of the supporting plate 140, facilitating force balance and improving jacking stability.

[0060] As Figure 1 , Figure 5 and Figure 6 further, the supporting plate 140 is provided with a detection hole 142 for detecting whether the pole piece 200 is on the supporting plate 140 by a detection component. In actual use, the detection component can also be used to detect whether the pole piece 200 is in the pole piece carrying box, not only improving the protection of the pole piece 200, but also improving the carrying efficiency. The diameter of the jacking hole 1101 is greater than the diameter of the detection hole 142. Since the detection hole 142 is only used for the detection light or detection end of the detection component to penetrate, the diameter of the detection hole 142 does not need to be too large. In this way, not only the structural strength of the supporting plate 140 itself is ensured, but also the supporting plate 140 has a large bearing area, which ensures stable cooperation with the jacking structure on the basis of stable support of the pole piece 200. At the same time, the projection of the detection hole 142 is within the projection of the jacking hole 1101. In this way, other holes need not be opened on the bottom plate 110 for the detection light or detection end to penetrate, so as to ensure the structural strength of the bottom plate 110 itself.

[0061] Please refer to Figure 1 and Figure 5In some embodiments, the pole piece carrying magazine further comprises a support 150, and the support 150 is connected between any adjacent columns 120. With the arrangement of the support 150, the assembly stability between the columns 120 and the columns 120 is improved, the shaking of the columns 120 relative to the bottom plate 110 is reduced, and the overall structural strength of the pole piece carrying magazine is improved. For example, each side edge 112 of the bottom plate 110 is provided with two columns 120, and the support 150 is connected between the two columns 120. For another example, each side edge 112 of the bottom plate 110 is provided with three spaced columns 120, and the support 150 is connected between the first column 120 and the second column 120, and the support 150 is connected between the second column 120 and the third column 120.

[0062] The support 150 is provided with a plurality of supports, which can be arranged in the Z-axis direction to further improve the structural strength.

[0063] Please continue to refer to Figure 1 、 Figure 5 、 Figure 7 and Figure 8 In yet some embodiments, the bottom plate 110 has a plurality of side edges 112 adjacent to each other in the circumferential direction of the bottom plate 110, and each side edge 112 is provided with at least two columns 120 arranged in the length direction of the side edge 112. The columns 120 corresponding to the same side edge 112 are connected by the support 150.

[0064] As shown in Figure 8 , taking the bottom plate 110 as a rectangle as an example, the length of the bottom plate 110 is in the Y-axis direction, and the width of the bottom plate 110 is in the X-axis direction. The side edge 112 in the Y-axis direction is provided with three spaced columns 120, and the three columns 120 are connected to the same support 150. That is, the same support 150 can be used to connect a plurality of columns 120, which not only simplifies the assembly steps, but also improves the structural strength. Of course, each side edge 112 can be connected to two, four, etc. columns 120. The specific number of columns 120 can be determined according to actual conditions, which is only used as an example here.

[0065] In actual use, the support 150 corresponding to the same side edge 112 is also provided with a plurality of adjustment holes 1102 arranged at intervals, which are beneficial to be selectively connected with the column 120 to realize the position adjustment of the column 120. The support 150 and the column 120 are detachably connected by screws or pins.

[0066] Alternatively, the plurality of posts 120 corresponding to the partial side edge 112 can be arranged adjacently, or the plurality of posts 120 corresponding to the partial side edge 112 can be arranged at intervals. The plurality of posts 120 are arranged adjacently to increase the limiting range. In actual use, the same support 150 is connected between the plurality of posts 120 arranged adjacently, the same support 150 is connected between the plurality of posts 120 arranged at intervals, or the support 150 is connected between any two adjacent posts 120. This is only an example.

[0067] As shown in Figure 1 , Figure 5 and Figure 7 , in an optional embodiment, any two adjacent side edges 112 of the bottom plate 110 jointly define a corner 111, the side edge 112 is provided with a post 120 near the corner 111, and the two posts 120 corresponding to the same corner 111 are arranged at an angle. The arrangement of the two posts 120 at the same corner 111 can satisfy the limiting of the corner 111 of the pole piece 200, and further satisfy the overall limiting of the pole piece 200. Taking the two posts 120 at the same corner 111 as a first post 120a and a second post 120b, the first post 120a can be arranged on the wide side corresponding to the corner 111, and the second post 120b can be arranged on the long side corresponding to the corner 111. The first post 120a and the second post 120b jointly form a post group 1200 to satisfy the limiting of the corner 111 of the pole piece 200. The four corners 111 of the bottom plate 110 are each provided with a post group 1200 to realize the limiting of the pole piece 200 from the four corners 111 of the pole piece 200. Such an arrangement does not require the arrangement of an extra post 120 in the middle of the side edge 112 of the pole piece 200, and simplifies the structure while satisfying the limiting of the pole piece 200.

[0068] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but it should be considered that any combination of the technical features is within the scope of the present disclosure, as long as the combination does not result in contradictions.

[0069] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the application. It should be noted that for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, and these are within the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A pole piece carrying magazine, characterized in that, The application relates to a polar plate carrying box. The bottom plate (110) is used for supporting polar plates (200). A plurality of columns (120) are arranged at the edges of the bottom plate (110), and the columns (120) and the bottom plate (110) jointly define a containing space (1001); the columns (120) are used for limiting the polar plates (200) at least. A flexible layer (130) is arranged on the side of the columns (120) facing the containing space (1001).

2. The pole piece carrying magazine according to claim 1, characterized in that The side of the columns (120) facing the containing space (1001) is provided with a mounting groove (121), and the flexible layer (130) is arranged in the mounting groove (121).

3. The pole piece carrying magazine according to claim 2, characterized in that The side of the flexible layer (130) facing the containing space (1001) is flush with the side of the columns (120) facing the containing space (1001).

4. The pole piece carrying magazine of claim 1, wherein, The flexible layer (130) and the columns (120) are detachably connected or adhesively fixed.

5. The pole piece carrying magazine according to claim 4, characterized in that The columns (120) are provided with mounting grooves (121) for mounting the flexible layer (130); the mounting grooves (121) are in the shape of I-shaped grooves; the cross section of the flexible layer (130) is in the shape of an I-shaped groove matched with the mounting grooves (121); and the flexible layer (130) is in clamping connection with the mounting grooves (121).

6. The pole piece carrying magazine of claim 1, wherein, The end of the column (120) away from the bottom plate (110) is provided with a clearance portion (122); the clearance portion (122) is arranged above the flexible layer (130) and is spaced apart from the flexible layer (130) in the vertical direction.

7. The pole piece carrier magazine of claim 6, wherein, The end of the column (120) extends from bottom to top and from inside to outside to form the clearance portion (122).

8. The pole piece carrying magazine of claim 6, wherein, The distance between the bottom of the clearance portion (122) and the top of the flexible layer (130) is between 1-20 mm; or the distance between the clearance portion (122) and the flexible layer (130) is 1%-10% of the vertical height of the flexible layer (130).

9. The pole piece carrying magazine of claim 1, wherein, The polar plate carrying box further comprises a supporting plate (140) arranged on the side of the bottom plate (110) facing the containing space (1001); and the supporting plate (140) is used for carrying the polar plates (200).

10. The pole piece carrying magazine according to claim 9, characterized in that The columns (120) are spaced apart; and an avoiding channel (1201) communicating with the containing space (1001) is arranged between any adjacent columns (120). The supporting plate (140) is provided with a convex portion (141) capable of penetrating the avoiding channel (1201).

11. The pole piece carrying magazine according to claim 9, characterized in that The supporting plate (140) is provided with a detection hole (142) used for detecting whether the supporting plate (140) carries the polar plates (200).

12. The pole piece carrying magazine according to claim 11, characterized in that The middle part or the part close to the middle part of the bottom plate (110) is provided with a jacking hole (1101) used for penetrating a jacking mechanism to lift the polar plates (200).

13. The pole piece carrying magazine according to claim 12, characterized in that The diameter of the jacking hole (1101) is larger than that of the detection hole (142).

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