Structure for assisting pole piece cutting

Abstract

The utility model discloses a structure for assisting pole piece cutting. The structure comprises a rack, the winding roller is rotationally arranged on the rack and is driven by a winding motor fixedly arranged on the rack to rotate; the adsorption cutting mechanism is fixedly arranged on the rack and located below the front side of the winding roller, and the adsorption cutting mechanism is used for adsorbing and fixing the pole piece and cutting the pole piece in a positioning state; and the pole piece pressing mechanism is fixedly arranged on the rack and located above the winding roller, and the pole piece pressing mechanism is used for pressing the end of the pole piece. When the scheme is applied, firstly, the movable plate is controlled by the jacking cylinder to move towards the front side, then the pole piece is adsorbed and fixed through the upper strip-shaped suction nozzle and the lower strip-shaped suction nozzle, and then the cutter is controlled by the cutting driving motor to cut the pole piece; after cutting, the upper strip-shaped suction nozzle is controlled to release the pole piece, and winding is completed; and after winding is completed, the lower strip-shaped suction nozzle is controlled to release the pole piece, the pole piece is manually conveyed to the pole piece pressing mechanism to be pressed on the winding roller, and the pole piece can be conveniently and manually fixed on the winding roller.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of pole piece processing technology, especially a structure for assisting pole piece cutting. BACKGROUND

[0002] In the battery production process, the preliminary battery cell is usually formed by lamination, so that the battery cell comprises a plurality of positive pole pieces and negative pole pieces arranged in sequence in layers, and the positive pole pieces and the negative pole pieces are separated by a separator. Therefore, before lamination, the pole piece belt needs to be cut to form individual positive pole pieces or negative pole pieces, and then the positive pole pieces and the negative pole pieces are transported to the lamination station for lamination.

[0003] Currently, in the pole piece production process, it is necessary to perform repeated winding actions. At the end of each winding, the pole piece needs to be cut, the winding roller needs to be replaced, and the pole piece belt head needs to be pasted and fixed on the new winding roller. In this process, multiple people are usually required to assist, including a worker who fixes the pole piece belt head to prevent it from falling and getting dirty; a worker who replaces the winding roller and pastes the pole piece belt head on the winding roller; if a single person operates, it is easy to get dust on the pole piece, and problems such as uneven cutting and uneven pasting may occur.

[0004] Therefore, in view of the deficiencies of the prior art, it is necessary to design a structure for assisting pole piece cutting to solve the above problems. INVENTION CONTENTS

[0005] To overcome the deficiencies in the prior art, the utility model aims to provide a structure for assisting pole piece cutting.

[0006] To achieve the above-mentioned purposes and other related purposes, the technical solution provided by the utility model is: a structure for assisting pole piece cutting, comprising:

[0007] a rack;

[0008] a winding roller, which is rotatably arranged on the rack and is driven to rotate by a winding motor fixed on the rack;

[0009] an adsorption cutting mechanism, which is fixedly arranged on the rack below the front side of the winding roller, and is used for adsorbing and fixing the pole piece and cutting the pole piece in a positioning state;

[0010] a pole piece pressing mechanism, which is fixedly arranged on the rack above the winding roller, and is used for pressing the end of the pole piece.

[0011] The preferred technical solution is that the upper strip-shaped suction nozzle and the lower strip-shaped suction nozzle are connected with an external vacuum adsorption system.

[0012] Preferably, the adsorbing and cutting mechanism comprises a fixed plate, a movable plate, two groups of jacking cylinders, a lead screw, a sliding rail, a cutting driving motor, a cutter, a sliding seat, an upper strip-shaped suction nozzle and a lower strip-shaped suction nozzle.

[0013] Preferably, the pole piece pressing mechanism comprises a cross beam, a pressing cylinder and a pressing plate.

[0014] By virtue of the above technical scheme, the utility model has the beneficial effects that:

[0015] The utility model discloses a kind of structures for assisting pole piece cutting, when needing to replace winding, first, movable plate is moved to front side by jacking cylinder control, then, pole piece is adsorbed and fixed by upper strip-shaped suction nozzle and lower strip-shaped suction nozzle, then, pole piece is cut by cutter control cutting driving motor;After cutting, first, upper strip-shaped suction nozzle releases pole piece, completes winding;After winding is completed, lower strip-shaped suction nozzle releases pole piece again, artificial sends pole piece to pole piece pressing mechanism and presses on winding roll, it is convenient to artificial and fix pole piece on winding roll. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 For pole piece cutting structure schematic view involved in the utility model. DETAILED DESCRIPTION

[0017] The following specific embodiment illustrates the embodiment of the utility model, and person skilled in the art can easily understand other advantages and effects of the utility model from the content disclosed in the specification.

[0018] Please refer to Figure 1It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0019] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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.

[0020] Example:

[0021] like Figure 1 As shown, according to a general technical concept of this utility model, a structure for assisting in electrode cutting is provided, comprising:

[0022] Rack 1;

[0023] The take-up roller 2 is mounted on the frame 1 and driven to rotate by a take-up motor (not shown) fixed on the frame 1.

[0024] The adsorption and cutting mechanism is fixed on the frame 1 and located below the front side of the take-up roller 2. The adsorption and cutting mechanism is used to adsorb and fix the electrode sheet and cut the electrode sheet in the positioning state.

[0025] The electrode pressing mechanism is fixed on the frame 1 and located above the take-up roller 2. The electrode pressing mechanism is used to press the end of the electrode.

[0026] like Figure 1As shown, in an exemplary embodiment of this utility model, the adsorption cutting mechanism comprises a fixed plate 31, a movable plate 32, two sets of lifting cylinders 33, a lead screw 34, a slide rail (not shown), a cutting drive motor (not shown), a cutter 36, a slide block (not shown), an upper strip-shaped suction nozzle 37, and a lower strip-shaped suction nozzle 38. The fixed plate 31 is fixedly mounted on the lower front side of the take-up roller 2 along the axial direction of the take-up roller 2. The two sets of lifting cylinders 33 are respectively fixed on both sides of the fixed plate 31. The two sets of lifting cylinders 33 cooperate with each other and are used to drive the movable plate 32 to move back and forth. The lead screw 34 is rotated on the fixed plate along the axial direction of the take-up roller 2. On the front side of plate 31, a slide rail is fixedly mounted on the front side of the fixed plate 31 along the axial direction of the take-up roller 2. A slide block is slidably mounted on the slide rail and fixedly connected to the screw nut screwed on the screw 34. A cutting drive motor is fixedly mounted on the fixed plate 31 and is used to drive the screw 34 to rotate. A cutter 36 is fixedly mounted on the slide block. A strip hole 321 corresponding to the movement trajectory of the cutter 36 is provided on the movable plate 32. An upper strip suction nozzle 37 is fixedly mounted on the front side of the movable plate 32 along the axial direction of the take-up roller 2 and located on the upper side of the strip hole 321. A lower strip suction nozzle 38 is fixedly mounted on the front side of the movable plate 32 along the axial direction of the take-up roller 2 and located on the lower side of the strip hole 321.

[0027] like Figure 1 As shown, in an exemplary embodiment of this utility model, both the upper strip nozzle 37 and the lower strip nozzle 38 are connected to an external vacuum adsorption system.

[0028] like Figure 1 As shown, in an exemplary embodiment of this utility model, the electrode pressing mechanism consists of a crossbeam 41, a pressing cylinder 42, and a pressing plate 43. The crossbeam 41 is mounted on the frame 1 and located directly above the take-up roller 2. The pressing cylinder 42 is fixed on the crossbeam 41 and is used to drive the pressing plate 43 to approach or move away from the take-up roller 2. The pressing plate 43 is arranged along the axial direction of the take-up roller 2.

[0029] Therefore, this utility model has the following advantages:

[0030] This utility model proposes a structure for assisting in electrode cutting. When it is necessary to change the winding, the movable plate is first moved forward by the lifting cylinder, and then the electrode is attracted and fixed by the upper and lower strip suction nozzles. Next, the cutting drive motor controls the cutter to cut the electrode. After cutting, the upper strip suction nozzle is controlled to release the electrode to complete the winding. After winding, the lower strip suction nozzle is controlled to release the electrode, and the electrode is manually sent to the electrode pressing mechanism to be pressed on the winding roller, which makes it convenient for the electrode to be fixed on the winding roller manually.

[0031] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A structure for assisting in electrode cutting, characterized in that, include: frame; A take-up roller, which is rotatably mounted on the frame and driven to rotate by a take-up motor fixed on the frame; An adsorption and cutting mechanism is fixed on the frame and located below the front side of the take-up roller. The adsorption and cutting mechanism is used to adsorb and fix the electrode sheet and to cut the electrode sheet in the positioning state. An electrode pressing mechanism is fixed on the frame and located above the take-up roller. The electrode pressing mechanism is used to press the end of the electrode. The adsorption and cutting mechanism consists of a fixed plate, a movable plate, two sets of lifting cylinders, a lead screw, a slide rail, a cutting drive motor, a cutter, a slide block, an upper strip-shaped suction nozzle, and a lower strip-shaped suction nozzle. The fixed plate is fixedly mounted on the lower front side of the take-up roller along the axial direction of the take-up roller. The two sets of lifting cylinders are respectively fixed on both sides of the fixed plate. The two sets of lifting cylinders cooperate with each other to drive the movable plate to move back and forth. The lead screw is rotatably mounted on the front side of the fixed plate along the axial direction of the take-up roller. The slide rail is fixedly mounted on the fixed plate along the axial direction of the take-up roller. On the front side of the plate, the slide block is slidably mounted on the slide rail and fixedly connected to the lead screw nut screwed on the lead screw. The cutting drive motor is fixed on the fixed plate and is used to drive the lead screw to rotate. The cutter is fixed on the slide block. The movable plate is provided with a strip-shaped hole corresponding to the movement trajectory of the cutter. The upper strip-shaped suction nozzle is fixed on the front side of the movable plate along the axial direction of the take-up roller and is located above the strip-shaped hole. The lower strip-shaped suction nozzle is fixed on the front side of the movable plate along the axial direction of the take-up roller and is located below the strip-shaped hole.

2. The structure for assisting electrode cutting according to claim 1, characterized in that: Both the upper and lower strip nozzles are connected to an external vacuum adsorption system.

3. The structure for assisting electrode cutting according to claim 1, characterized in that: The electrode pressing mechanism consists of a crossbeam, a pressing cylinder, and a pressing plate. The crossbeam is mounted on the frame and located directly above the take-up roller. The pressing cylinder is fixed on the crossbeam and is used to drive the pressing plate to approach or move away from the take-up roller. The pressing plate is arranged along the axial direction of the take-up roller.

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