Mesh slitting device, mesh obtained through slitting of mesh slitting device and mounting structure of mesh

Abstract

According to the net piece slitting device, the net piece obtained through slitting of the net piece slitting device and the installation structure of the net piece, protective net strips are slit through the slitting device with the special-shaped slitting portions, and therefore corresponding special-shaped structures are formed on the slitting edges of the protective net piece obtained through slitting. According to the special-shaped structure, the edge of the mesh is provided with the protruding part which can be inserted between the tabs of the storage battery, so that the mesh is clamped and limited through the tabs, a fixing effect is achieved, the mesh is effectively prevented from inclining or even falling off in the storage battery, and the service life of the storage battery is prolonged. The technical problems that in the prior art, a net piece with a smooth edge is unstable in installation state in a storage battery, is difficult to be effectively limited and fixed, and is easy to skew and even fall off are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery production, especially to mesh slitting device, mesh obtained by its slitting and the mounting structure of the mesh. BACKGROUND

[0002] The function of the protective mesh of the battery is to prevent the damage of the diaphragm caused by the subsequent process of battery production, and to protect the diaphragm. The protective mesh is purchased by the battery manufacturer in a whole roll, and a roll is usually a few hundred meters long. The material belt is cut into blocks of the required size, and then the small block-shaped protective mesh is installed between the two busbars in the battery.

[0003] Chinese patent CN206098577U discloses a kind of protective mesh installation machine of battery, including rack, rack is provided with a plurality of up and down moving mesh clamp, mesh clamp includes left clamping piece and right clamping piece, top rod is arranged between left clamping piece and right clamping piece and moves up and down, mesh clamp lower end is provided with clamping piece slot, the lower end of mesh clamp and top rod is provided with clamping piece insertion limiting device and top rod insertion limiting device respectively, rack is provided with mesh clamp driving device and top rod driving device, mesh tray is arranged below mesh clamp, a plurality of mesh bosses for supporting protective mesh are arranged on mesh tray, mesh boss is located between the clamping piece slot of the lower end of left clamping piece and right clamping piece, rack is provided with tray driving device for driving mesh tray to move back and forth, clamping piece slot clamping device is further arranged at the lower end of mesh clamp, battery feeding channel and battery clamping device are further arranged below mesh tray.

[0004] However, the protective mesh in the prior art is small and smooth in edge, which originally relies on the protruding step between the busbar and the pole lug to limit the protective mesh, thereby preventing it from falling out. However, the protruding step between the busbar and the pole lug is often not present in the prior art, i.e., the side edge of the busbar is flush with the side edge of the pole lug. In this structure, when the battery is inverted, the protective mesh inside it will fall out. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiencies of prior art, provides mesh slitting device, mesh obtained by its slitting and the mounting structure of the mesh, and the protective mesh is slitted by the slitting device with special-shaped slitting part, so that a corresponding special-shaped structure is formed on the slitting edge of the slitted protective mesh. The special-shaped structure makes the edge of the mesh have a protruding part that can be inserted between the pole lugs of the battery, thereby limiting the mesh by the pole lugs and fixing it, effectively preventing the mesh from being skewed or even falling out in the battery, and solving the technical problems of the prior art, such as unstable installation of the smooth-edged mesh in the battery and difficulty in effectively limiting and fixing it, which easily leads to skewing or falling out.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A mesh slitting device, comprising: an upper slitting module; and a lower slitting module, the upper slitting module and the lower slitting module are oppositely arranged, and both cooperate to slit a continuous mesh into a mesh, at least the upper slitting module is provided with a special-shaped structure at the slitting position, so that the mesh is also provided with a special-shaped structure at the slitting position.

[0008] As preferred, the special-shaped structure of the mesh is that the edge of the mesh has a protruding part which can be inserted between the battery tabs.

[0009] As preferred, the upper slitting module is provided with a slitting cutter, and the lower slitting module is provided with a slitting support plate matched with the slitting cutter.

[0010] As preferred, the slitting cutter comprises a support A and a slitting cutter part mounted on the support A, and the slitting cutter part is provided with a special-shaped structure.

[0011] As preferred, the upper slitting module is provided with a punch part of a punching die, and the lower slitting module is provided with a recessed die part matched with the punch part.

[0012] As preferred, the punch part comprises a support B and a punch mounted on the support B, and the recessed die part comprises a support C and a recessed die opened in the support C, and the punch and the recessed die are provided with a special-shaped structure matched with each other.

[0013] As preferred, the special-shaped structure of the slitting cutter part and the special-shaped structure of the punch and the recessed die are provided with a sawtooth shape or a combtooth shape.

[0014] The utility model also provides a mesh slit by the mesh slitting device, and the two opposite edge parts of the mesh have protruding parts which can be inserted between the battery tabs.

[0015] As preferred, the protruding parts are provided with a sawtooth shape or a combtooth shape.

[0016] The utility model also provides a mounting structure of the mesh, adopts the mesh, and the battery shell of the battery is arranged with a tab plate, the mesh is mounted between the positive tab and the negative tab of the tab plate, and the protruding parts are sequentially inserted between the adjacent positive tabs or the adjacent negative tabs.

[0017] The utility model has the advantages of:

[0018] (1) the utility model discloses a split cutting device with special-shaped split cutting part carries out split cutting to the protective net strip, to form the corresponding special-shaped structure at the split cutting edge of the split cutting net piece, and the special-shaped structure makes the edge of the net piece have the protruding part that can be inserted between the battery tab, so that the net piece is clamped and positioned through the tab, plays a fixing role, thereby effectively preventing the net piece from being skewed or even coming out in the battery,

[0019] (2) the net piece split cutting device in the utility model can be provided with a cutter structure or a blanking die structure, regardless of the specific structure, by setting the split cutting part as a special-shaped structure, the purpose is to form the corresponding special-shaped structure at the split cutting edge of the split cutting net piece. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 it is structural elevation view of the utility model embodiment one;

[0021] Figure 2 it is structural schematic diagram of the utility model embodiment two;

[0022] Figure 3 it is structural schematic diagram of the utility model embodiment three;

[0023] Figure 4 it is structural schematic diagram of the upper split cutting module in the utility model embodiment two to three;

[0024] Figure 5 it is structural schematic diagram of the lower split cutting module in the utility model embodiment three;

[0025] Figure 6 it is the installation structural schematic diagram of the net piece in the utility model embodiment five;

[0026] Figure 7 it is one kind of structural schematic diagram of the net piece in the utility model embodiment four;

[0027] Figure 8 it is another structural schematic diagram of the net piece in the utility model embodiment four. DETAILED DESCRIPTION

[0028] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings of the utility model embodiments, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model.

[0029] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features.In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0030] Embodiment one

[0031] As shown in Figure 1 , a mesh slitting device, comprising: an upper slitting module I; and a lower slitting module II, the upper slitting module I and the lower slitting module II are oppositely arranged, and the two cooperate with each other to slit the continuous mesh into a mesh III, at least the upper slitting module I is provided with a special-shaped structure IV at the slitting position, so that the mesh III also has a special-shaped structure IV at the slitting position, as shown in Figures 7-8 .

[0032] As preferred, as shown in Figure 7 , the special-shaped structure IV of the mesh III has a protruding part that can be inserted between the tabs of the battery V.

[0033] In this embodiment, the mesh is slit by the slitting device with a special-shaped slitting part, so that a corresponding special-shaped structure IV is formed at the slitting edge of the mesh III obtained by slitting, and the special-shaped structure IV makes the edge of the mesh III have a protruding part 5 that can be inserted between the tabs of the battery V, so that the mesh III is clamped and limited by the tabs, and plays a fixing role, thereby effectively preventing the mesh from being skewed or even coming out of the battery.

[0034] Embodiment two

[0035] The same or corresponding parts in this embodiment and the above-mentioned embodiment one use the corresponding reference numerals in the above-mentioned embodiment one, and for the sake of simplicity, only the difference points from the above-mentioned embodiment one will be described below.The difference between this embodiment and the above-mentioned embodiment one is that:

[0036] As preferred, as shown in Figure 2As shown, the upper slitting module I is set as a slitting cutter 1, and the lower slitting module II is set as a slitting support plate 2 matched with the slitting cutter 1.

[0037] During slitting, the web strip passes between the slitting cutter 1 and the slitting support plate 2, and the slitting cutter 1 moves relative to the slitting support plate 2, so as to cooperate to cut the web strip into the mesh sheet III, and leave the special-shaped structure IV at the edge of the mesh sheet III.

[0038] As preferred, in combination with Figure 4 As shown, the slitting cutter 1 comprises a support A11 and a slitting cutter part 12 mounted on the support A11, and the slitting cutter part 12 is set as the special-shaped structure IV.

[0039] As preferred, the special-shaped structure IV of the slitting cutter part 12 is set as a sawtooth shape or a combtooth shape.

[0040] It should be pointed out that the special-shaped structure IV of the slitting cutter part 12 can be set as a sawtooth shape or a combtooth shape, but is not limited to the two embodiments, as long as it can make the edge of the mesh sheet III inserted between the adjacent tabs to play a limiting and fixing role, which falls within the protection scope of the present application.

[0041] Embodiment three

[0042] The same or corresponding components in this embodiment and the above-mentioned embodiment one adopt the corresponding reference numerals in the above-mentioned embodiment one, and for the sake of simplicity, only the difference from the above-mentioned embodiment one will be described below. The difference between this embodiment and the above-mentioned embodiment one is that:

[0043] As preferred, as Figure 3 As shown, the upper slitting module I is set as a punch portion 3 of a punching die, and the lower slitting module II is set as a recessed die portion 4 matched with the punch portion 3.

[0044] As preferred, in combination with Figures 4-5 As shown, the punch portion 3 comprises a support B31 and a punch 32 arranged on the support B31, and the recessed die portion 4 comprises a support C41 and a recessed die 42 arranged in the support C41, and the punch 32 and the recessed die 42 are set as the special-shaped structure IV matched with each other.

[0045] During slitting, the web strip passes between the punch portion 3 and the recessed die portion 4, and the punch portion 3 moves relative to the recessed die portion 4, so as to cooperate to punch the web strip into the mesh sheet III, and leave the special-shaped structure IV at the edge of the mesh sheet III.

[0046] As preferred, the special-shaped structure IV of the punch 32 and the recessed die 42 is set as a sawtooth shape or a combtooth shape.

[0047] It should be noted that the irregular structure IV of the punch 32 and the die 42 can be set as serrated or comb-shaped, but is not limited to these two implementations. As long as it can make the edge of the mesh III inserted between the adjacent tabs to play a limiting and fixing role, it falls within the protection scope of this application.

[0048] Furthermore, it should be noted that the mesh cutting device is specifically configured as the cutting blade structure in Embodiment 2 or the punching die structure in Embodiment 3, but is not limited to the above two implementation methods. Regardless of the specific structure adopted, by setting its cutting part as an irregular structure, the purpose is to form a corresponding irregular structure on the cutting edge of the mesh obtained by cutting. Therefore, any cutting device that can achieve this purpose falls within the protection scope of this application.

[0049] Example 4

[0050] like Figures 7-8 As shown, a mesh sheet obtained by the mesh sheet cutting device described in any of the above embodiments has two opposite edges of the mesh sheet III having protruding portions 5 that can be inserted between the battery tabs.

[0051] As a preferred option, such as Figure 7 As shown, the protruding portion 5 is configured as a serrated shape.

[0052] As a preferred option, such as Figure 8 As shown, the protruding portion 5 is configured as a comb-like shape.

[0053] It should also be noted that the protruding part 5 can be set as serrated or comb-shaped, but is not limited to these two implementations. As long as it can make the edge of the mesh III inserted between the adjacent tabs to play a limiting and fixing role, it falls within the protection scope of this application.

[0054] Example 5

[0055] An installation structure for a mesh panel, using mesh panel III as described in Embodiment 4 above, such as... Figure 6 As shown, the battery casing 61 of the storage battery V has plates arranged inside, and the mesh III is installed between the positive tab 62 and the negative tab 63 of the plates, combined with... Figure 7 As shown, the protruding portion 5 is sequentially inserted between adjacent positive electrode tabs 62 or adjacent negative electrode tabs 63.

[0056] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wire mesh cutting device, characterized in that, include: Upper splitting module; as well as The lower cutting module and the upper cutting module are arranged opposite to each other. The two cooperate to cut the continuous strips into mesh panels. At least the upper cutting module is set with an irregular structure at its cutting position, so that the mesh panel is also an irregular structure at its cutting position.

2. The wire mesh cutting device according to claim 1, characterized in that, The irregular structure of the mesh is that the edges of the mesh have protruding portions that can be inserted between the battery tabs.

3. The wire mesh cutting device according to claim 1, characterized in that, The upper slitting module is configured as a slitting cutter, and the lower slitting module is configured as a slitting support plate that cooperates with the slitting cutter.

4. The wire mesh cutting device according to claim 3, characterized in that, The slitting tool includes a support A and a slitting blade portion mounted on the support A, wherein the slitting blade portion is configured with an irregular shape.

5. A wire mesh cutting device according to claim 4, characterized in that, The upper cutting module is configured as the punch part of the punching die, and the lower cutting module is configured as the die part that cooperates with the punch part.

6. A wire mesh cutting device according to claim 5, characterized in that, The punch portion includes a support B and a punch disposed on the support B, and the die portion includes a support C and a die disposed within the support C. The punch and die are configured as irregularly shaped structures that cooperate with each other.

7. A wire mesh cutting device according to claim 6, characterized in that, The irregular structure of the slitting blade and the irregular structure of the punch and die are configured as serrated or comb-shaped.

8. A mesh sheet obtained by the mesh sheet cutting device according to any one of claims 1-7, characterized in that, The mesh has protrusions on two opposite sides that can be inserted between the battery terminals.

9. A mesh sheet according to claim 8, characterized in that, The protruding portion is configured as a serrated or comb-shaped part.

10. An installation structure for a wire mesh, characterized in that, Using the mesh as described in any one of claims 8-9, the battery casing of the storage battery has plates arranged inside, the mesh is installed between the positive and negative tabs of the plates, and the protruding portion is sequentially inserted between adjacent positive tabs or adjacent negative tabs.

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