Slitting knife structure

Abstract

The utility model discloses a slitting knife structure which comprises a slitting knife mother piece, a plurality of slitting knife son pieces and a limiting device, the side face of one end of the slitting knife mother piece is an inclined face, the slitting knife mother piece and the slitting knife son pieces are equal in thickness and are detachably connected, and the slitting knife son pieces are mutually connected after being connected with the slitting knife mother piece. The ends of the slitting knife son pieces intersect on the same horizontal plane, and the limiting device is used for limiting the slitting knife son pieces connected with the slitting knife mother piece so that the slitting knife son pieces can not move in the direction perpendicular to the slitting knife mother piece. According to the slitting knife, the slitting knife mother part is detachably connected with the slitting knife son part, the slitting knife son part is detachably connected with the slitting knife son part, when the slitting knife son part at the bottommost part is damaged, the slitting knife son part can be detached, the slitting knife mother part does not need to be detached from the slitting equipment, the installation time is saved, the slitting knife mother part can be continuously used, and the material cost of the slitting knife is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery production, in particular to a slitting knife structure. Background Art

[0002] Pole sheet cutting is a key control point in the lithium battery process. The quality of cutting directly affects the self-discharge of the battery cell. Therefore, when the quality of pole sheet cutting is abnormal, the machine must be stopped and the cutting knife must be replaced.

[0003] In the current lithium battery manufacturing process, since the slitting angle of the slitting knife is fixed, after long-term use, the blade will be partially damaged, resulting in product quality problems. Therefore, the slitting knife needs to be replaced at this time. Each time the slitting knife is replaced, the equipment needs to be shut down for about 3 hours to replace the slitting knife, and the installation time is long. Utility Model Content

[0004] The purpose of the utility model is to solve the above technical problems and provide a slitting knife structure.

[0005] The technical solution of the utility model is as follows: a slitting knife structure, comprising a slitting knife mother part, a plurality of slitting knife sub-parts and a limiting device, wherein the side surface at one end of the slitting knife mother part is an inclined surface, the thickness of the slitting knife mother part and the plurality of slitting knife sub-parts are equal and each can be detachably connected, and the slitting knife sub-parts are connected to each other after being connected to the slitting knife mother part, and their respective ends intersect at a level, and the limiting device is used to limit the plurality of slitting knife parts after being connected to the slitting knife mother part so that they will not move in a direction perpendicular to the slitting knife mother part.

[0006] Preferably, the slitting knife mother component is provided with a plurality of first card slots, and the slitting knife component is provided with a plurality of second card slots and card blocks, and the card blocks can respectively cooperate with the first card slots and the second card slots.

[0007] Preferably, an avoidance groove is provided on the slitting knife mother component; the limiting device includes a U-shaped clamping plate and two round rods, the U-shaped groove of the clamping plate is sleeved on one side of the slitting knife mother component, and the clamping plate is rotatably connected to the slitting knife mother component through the two round rods.

[0008] Preferably, an elastic pad is provided on the wall of the U-shaped groove on the clamping plate.

[0009] Preferably, a screw is provided on the round rod, and a threaded hole matching the screw is provided on the clamping plate.

[0010] The beneficial effect of the utility model is that in the utility model, the slitting knife master component is detachably connected to the slitting knife component and the slitting knife component. When the slitting knife component at the bottom is damaged, the damaged slitting knife component can be removed without removing the slitting knife master component from the slitting equipment, which saves installation time, and the slitting knife master component can be used continuously, which greatly reduces the material cost of the slitting knife. When different angles of slitting knives are required for different materials to be slitting, the unnecessary slitting knife components can be removed without adjusting the angle of the slitting knife master component. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a front view of the overall structure of the preferred embodiment of the utility model;

[0012] Figure 2 It is a front view of the connection between the slitting knife mother component and the slitting knife sub-component in the preferred embodiment of the utility model;

[0013] Figure 3 It is a schematic diagram of a slitting knife mother component in a preferred embodiment of the utility model;

[0014] Figure 4 This is a schematic diagram of a slitting knife component in a preferred embodiment of the utility model;

[0015] Figure 5 This is a schematic diagram of a card board in a preferred embodiment of the utility model;

[0016] Figure 6 It is a schematic diagram of a round rod in a preferred embodiment of the utility model.

[0017] Figure numerals: slitting knife mother component 10, first slot 101, avoidance slot 102, insertion hole 103, slitting knife component 2, second slot 201, block 202, clamping plate 3, elastic pad 301, round rod 4, screw rod 401. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Reference Figures 1 to 6A slitting knife structure comprises a slitting knife mother component 10, a plurality of slitting knife sub-components 2 and a limiting device, wherein the side surface of one end of the slitting knife mother component 10 is an inclined surface, the thickness of the slitting knife mother component 10 and the plurality of slitting knife sub-components 2 are equal and each can be detachably connected, and the slitting knife sub-components 2 are connected to each other after being connected to the slitting knife mother component 10, and their respective ends intersect at a level, and the limiting device is used to limit the plurality of slitting knife components 2 connected to the slitting knife mother component 10 so that they will not move in a direction perpendicular to the slitting knife mother component 10. In the utility model, a slitting knife master component 10 is fixed on a slitting device, and a plurality of slitting knife components 2 are installed on the slitting knife master component 10 and fixed by a limiting device. The slitting knife component 2 at the bottom performs slitting processing on the pole piece. When the slitting knife component 2 at the bottom is damaged, since the slitting knife components 2 are detachably connected, the damaged slitting knife component 2 can be removed, and a new slitting knife component 2 can be installed and fixed by a limiting device. There is no need to remove the slitting knife master component 10 from the slitting device, which saves installation time, and the slitting knife master component 10 can be used continuously, which greatly reduces the material cost of the slitting knife. When different angles of slitting knives are required for different materials to be slitting, the unnecessary slitting knife components 2 can be removed without adjusting the angle of the slitting knife master component 10. The shapes of the plurality of slitting knife components 2 are unequal-sided triangles.

[0020] As a preferred embodiment of the utility model, it may also have the following additional technical features:

[0021] In this embodiment, the slitting knife mother component 10 is provided with a plurality of first slots 101, and the slitting knife component 2 is provided with a plurality of second slots 201 and a block 202, and the block 202 can respectively cooperate with the first slot 101 and the second slot 201. Specifically, the first slot 101 and the second slot 201 are both composed of a straight slot and an arc slot, and the block 202 cooperates with the first slot 101 or the second slot 201 so that the slitting knife components 2 or the slitting knife component 2 and the slitting knife mother component 10 will not fall off.

[0022] In this embodiment, the slitting knife mother component 10 is provided with an avoidance groove 102; the limiting device includes a U-shaped card plate 3 and two round rods 4, the U-shaped groove of the card plate 3 is sleeved on one side of the slitting knife mother component 10, and the card plate 3 is rotatably connected to the slitting knife mother component 10 through the two round rods 4, and the card plate 3 is rotatably connected to the slitting knife mother component 10 through the round rods 4. When it is necessary to remove the damaged slitting knife component 2, the card plate 3 is rotated so that it does not contact the slitting knife component 2, and the damaged slitting knife component 2 can be removed, and the card plate 3 can be rotated in the opposite direction to fix the remaining slitting knife component 2 to prevent it from shaking. Specifically, the slitting knife mother component 10 is provided with a socket 103 that is compatible with the round rod 4.

[0023] In this embodiment, an elastic pad 301 is provided on the U-shaped groove wall on the clamping plate 3 so that the U-shaped groove wall on the clamping plate 3 can be in close contact with the slitting knife mother component 10 .

[0024] In this embodiment, a screw rod 401 is provided on the round rod 4 , and a threaded hole matched with the screw rod 401 is provided on the clamping plate 3 , so as to facilitate the installation and removal of the clamping plate 3 .

[0025] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A slitting knife structure, characterized in that: The invention comprises a slitting knife mother component (10), a plurality of slitting knife components (2) and a limiting device. The side surface of one end of the slitting knife mother component (10) is an inclined surface. The thickness of the slitting knife mother component (10) and the plurality of slitting knife components (2) are equal and each can be detachably connected. After the slitting knife components (2) are connected to each other and are connected to the slitting knife mother component (10), their respective ends intersect at a level. The limiting device is used to limit the plurality of slitting knife components (2) connected to the slitting knife mother component (10) so that they will not move in a direction perpendicular to the slitting knife mother component (10).

2. A slitting knife structure according to claim 1, characterized in that: The slitting knife mother component (10) is provided with a plurality of first card slots (101), and the slitting knife subcomponent (2) is provided with a plurality of second card slots (201) and card blocks (202), and the card blocks (202) can respectively cooperate with the first card slot (101) and the second card slot (201).

3. A slitting knife structure according to claim 1, characterized in that: The slitting knife mother component (10) is provided with an avoidance groove (102); the limiting device comprises a U-shaped clamping plate (3) and two round rods (4); the U-shaped groove of the clamping plate (3) is sleeved on one side of the slitting knife mother component (10), and the clamping plate (3) is rotatably connected to the slitting knife mother component (10) through the two round rods (4).

4. A slitting knife structure according to claim 3, characterized in that: An elastic pad (301) is provided on the U-shaped groove wall on the clamping plate (3).

5. A slitting knife structure according to claim 3, characterized in that: The round rod (4) is provided with a screw rod (401), and the clamping plate (3) is provided with a threaded hole matched with the screw rod (401).

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