Tabletting device for lithium battery production

Abstract

The utility model discloses a tabletting device for lithium battery production, which comprises a bottom plate, a bearing frame is welded on the top surface of the bottom plate, an electric push rod is fixedly mounted on the top surface of the bearing frame, a support is mounted at the telescopic end of the electric push rod, an upper compression roller is mounted on the support, and a driving motor is fixedly mounted on the outer wall of the support. And the output end of the driving motor is connected with one end of an upper pressing roller, a lower pressing roller is fixedly installed on the top face of the bottom plate, a limiting frame is arranged on the front side of the lower pressing roller, and a pulley is rotationally connected into the limiting frame. According to the lithium battery pole piece pressing and feeding device, the two limiting frames are symmetrically arranged, the pulleys are arranged in the two limiting frames at equal intervals, and the distance between the two limiting frames is adjusted, so that the lithium battery pole pieces of different specifications can be limited in the pressing and feeding process of the lithium battery pole pieces; the problem of deviation in the lithium battery pole piece pressing process is solved, the lithium battery pole piece pressing effect is guaranteed, practicability is high, and the lithium battery pole piece pressing device is worthy of popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production equipment technical field especially relates to lithium battery production is with tablet press. BACKGROUND

[0002] Lithium battery is with lithium metal or lithium alloy as positive and negative electrode material, uses non - water electrolyte solution battery, lithium metal is a chemical characteristic very active metal, therefore to its processing production needs high requirement, in the production process of lithium battery is divided into positive and negative electrode homogenate, coating, tablet press, slitting, baking, winding, into shell, spot welding etc.

[0003] The prior art has the following problems:

[0004] After a large number of searches, the patent file with application No. CN202122220209.7 discloses a kind of polar sheet tablet press device for lithium battery production, the patent can adjust the pressure exerted to upper pressure roller by the setting of reset spring, however, the above-mentioned patent still has the problem in actual use, more obvious is before tablet pressing to lithium battery polar sheet, it is difficult to limit lithium battery polar sheet, leading to the problem that lithium battery polar sheet is easy to deviate when tablet pressing, affect the tablet pressing effect of lithium battery polar sheet.

[0005] Therefore, we propose a tablet press device for lithium battery production to solve the above-mentioned drawbacks. INVENTION CONTENTS

[0006] The utility model aims at solving the shortcoming of prior art and provides a tablet press device for lithium battery production.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a tablet press device for lithium battery production, including bottom plate, the top surface of bottom plate is welded with bearing frame, and the top surface of bearing frame is fixedly installed with electric push rod, the telescopic end of electric push rod is installed with support, and upper pressure roller is installed on support, the outer wall of support is fixedly installed with driving motor, and the output end of driving motor is connected with one end of upper pressure roller, the top surface of bottom plate is fixedly installed with lower pressure roller, the front side of lower pressure roller is provided with limiting frame, and the inside of limiting frame is rotatably connected with pulley, the surface of bearing frame is provided with threaded rod, and the surface of threaded rod is located on the inside and outside of bearing frame, and bolt is used in cooperation.

[0008] Preferably, the side surface of the bearing frame is fixedly installed with a control switch, and the control switch is electrically connected with the electric push rod and the driving motor through wires.

[0009] Preferably, the diameter and length of the upper pressure roller and the lower pressure roller are the same.

[0010] Preferably, the plurality of pulleys are equidistantly distributed on the limiting frame.

[0011] Preferably, the two limiting frames are symmetrically distributed on the inside of the bearing frame.

[0012] Preferably, the length of the pulley is less than the thickness of the limiting frame.

[0013] Compared with the prior art, the present application has the following beneficial effects:

[0014] In the present application, two limiting frames are symmetrically arranged, and pulleys are equidistantly arranged in the inside of the two limiting frames. By adjusting the distance between the two limiting frames, the lithium battery pole piece of different specifications can be limited during the tabletting and feeding process, preventing the lithium battery pole piece from deviating during the tabletting process, ensuring the tabletting effect of the lithium battery pole piece, and being practical and worth promoting.

[0015] In the present application, an electric push rod is arranged, and the extension and retraction of the electric push rod can drive the upper compression roller to move up and down, thereby adjusting the distance between the upper compression roller and the lower compression roller, facilitating the tabletting of lithium battery pole pieces of different thicknesses, and being convenient, labor-saving, practical and worth promoting. BRIEF DESCRIPTION OF DRAWINGS

[0016] 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 embodiments will be briefly introduced below. 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.

[0017] Figure 1 Structure diagram of the tabletting device for lithium battery production according to the present application;

[0018] Figure 2 Front view of the tabletting device for lithium battery production according to the present application;

[0019] Figure 3 Top view of the limiting frame, pulley, threaded rod and bolt;

[0020] Figure 4 Structure diagram of the limiting frame and pulley.

[0021] Legend:

[0022] 1, bottom plate; 2, bearing frame; 3, electric push rod; 4, support; 5, drive motor; 6, upper press roller; 7, lower press roller; 8, control switch; 9, limit frame; 10, pulley; 11, threaded rod; 12, bolt. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are the directions or position relations shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular direction, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to Figures 1-4 The tablet press for lithium battery production comprises a bottom plate 1, a bearing frame 2 is welded on the top surface of the bottom plate 1, an electric push rod 3 is fixedly installed on the top surface of the bearing frame 2, a support 4 is installed on the telescopic end of the electric push rod 3, an upper press roller 6 is installed on the support 4, a drive motor 5 is fixedly installed on the outer wall of the support 4, the output end of the drive motor 5 is connected with one end of the upper press roller 6, a lower press roller 7 is fixedly installed on the top surface of the bottom plate 1, a limit frame 9 is arranged on the front side of the lower press roller 7, a pulley 10 is rotatably connected in the limit frame 9, a threaded rod 11 is arranged through the surface of the bearing frame 2, and a bolt 12 is used in cooperation with the surface of the threaded rod 11 on the inner and outer sides of the bearing frame 2.

[0026] When in use, the two limiting racks 9 are symmetrically arranged, the two limiting racks 9 are equidistantly provided with pulleys 10 inside, the distance between the two limiting racks 9 is adjusted, the different specifications of lithium battery pole pieces can be limited, the problem of deviation of the lithium battery pole pieces during the pressing process is prevented, the pressing effect of the lithium battery pole pieces is ensured, the practicability is high, it is worth promoting, the electric push rod 3 can drive the upper pressing roller 6 to move up and down, the distance between the upper pressing roller 6 and the lower pressing roller 7 can be adjusted, which is beneficial to the pressing use of the lithium battery pole pieces with different thicknesses, and the adjustment is convenient and labor-saving, then the corresponding specifications of the lithium battery pole pieces are sent into the bearing frame 2 through the space between the two limiting racks 9, and pass through the upper pressing roller 6 and the lower pressing roller 7, wherein the driving motor 5 rotates to drive the upper pressing roller 6 to rotate, and the upper pressing roller 6 rotates to drive the lithium battery pole pieces to move for pressing treatment through friction.

[0027] In the embodiment, the control switch 8 is fixedly installed on one side surface of the bearing frame 2, and the control switch 8 is electrically connected with the electric push rod 3 and the driving motor 5 through wires.

[0028] Specifically, it is a common circuit connection structure, which is common for those skilled in the art, and will not be described in detail here.

[0029] In the embodiment, the diameters and lengths of the upper pressing roller 6 and the lower pressing roller 7 are the same.

[0030] Specifically, under the cooperation of the lithium battery pole piece, the rotation of the upper pressing roller 6 can promote the lower pressing roller 7 to rotate in the opposite direction, so as to realize the conveying and pressing of the lithium battery pole piece from front to back. Figure 1 、 2 The direction shown by the arrow.

[0031] In the embodiment, a plurality of pulleys 10 are arranged equidistantly on the limiting rack 9.

[0032] Specifically, the friction between the lithium battery pole piece and the limiting rack 9 is reduced, and the feeding is more smooth when the lithium battery pole piece is pressed.

[0033] In the embodiment, the two limiting racks 9 are symmetrically arranged on the two sides inside the bearing frame 2.

[0034] Specifically, the limiting effect on the lithium battery pole piece is better and is not easy to deviate.

[0035] In the embodiment, the length of the pulley 10 is less than the thickness of the limiting rack 9.

[0036] Specifically, the pulley 10 can be installed in the limiting rack 9.

[0037] In the embodiment, the control switch 8 is of a conventional structure, and the control circuit can be realized by simple programming of those skilled in the art, which is well known in the art and only used without modification, so the control mode and circuit connection are not described in detail.

[0038] Working principle: when in use, two limiting racks 9 are symmetrically arranged, and pulleys 10 are arranged at equal intervals in the interiors of the two limiting racks 9, the distance between the two limiting racks 9 is adjusted, the limiting effect on lithium battery pole pieces of different specifications is achieved, the problem of deviation of the lithium battery pole pieces during the pressing process is prevented, the pressing effect on the lithium battery pole pieces is ensured, the practicability is high, and the method is worth promoting, the electric push rod 3 can drive the upper pressing roller 6 to move up and down, so that the distance between the upper pressing roller 6 and the lower pressing roller 7 can be adjusted, which is beneficial to the pressing use of lithium battery pole pieces of different thicknesses, and the adjustment is convenient and labor-saving, then the lithium battery pole pieces of the corresponding specifications are sent into the bearing frame 2 through the space between the two limiting racks 9, and pass through the upper pressing roller 6 and the lower pressing roller 7, wherein the driving motor 5 rotates to drive the upper pressing roller 6 to rotate, and the upper pressing roller 6 rotates to drive the lithium battery pole pieces to move for pressing treatment through friction.

[0039] It should be noted that the model specifications of the control switch 8, the electric push rod 3 and the driving motor 5 need to be determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so the detailed description is not repeated.

[0040] The power supply of the control switch 8, the electric push rod 3 and the driving motor 5 and its principle are clear to those skilled in the art, and are not described in detail here.

[0041] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A tablet press for lithium battery production comprising a base plate (1), characterized in that, The top surface of the bottom plate (1) is welded with a bearing frame (2), and the top surface of the bearing frame (2) is fixedly installed with an electric push rod (3), the telescopic end of the electric push rod (3) is installed with a support (4), and the support (4) is installed with an upper compression roller (6), the outer wall of the support (4) is fixedly installed with a driving motor (5), and the output end of the driving motor (5) is connected with one end of the upper compression roller (6), the top surface of the bottom plate (1) is fixedly installed with a lower compression roller (7), the front side of the lower compression roller (7) is provided with a limiting frame (9), and the inside of the limiting frame (9) is rotatably connected with a pulley (10), the surface of the bearing frame (2) is provided with a threaded rod (11) penetrating through, and the surface of the threaded rod (11) is located on the inside and outside of the bearing frame (2) and is cooperatively used with a bolt (12).

2. The tabletting device for lithium battery production according to claim 1, characterized in that, The side surface of the bearing frame (2) is fixedly installed with a control switch (8), and the control switch (8) is electrically connected with the electric push rod (3) and the driving motor (5) through wires.

3. The tabletting device for lithium battery production according to claim 1, characterized in that, The diameter and length of the upper compression roller (6) and the lower compression roller (7) are the same.

4. The tabletting device for lithium battery production according to claim 1, wherein The pulley (10) is provided with a plurality of pulleys (10), and the plurality of pulleys (10) are equidistantly distributed on the limiting frame (9).

5. The tabletting device for lithium battery production according to claim 1, wherein The limiting frame (9) is provided with two limiting frames (9), and the two limiting frames (9) are symmetrically distributed on the inside of the bearing frame (2).

6. The tabletting device for lithium battery production according to claim 1, wherein The length of the pulley (10) is less than the thickness of the limiting frame (9).

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