Lossless scribing equipment

By using the combination technology of laser scribe assembly and drying conveyor line in the cell cutting equipment, the problem of cutting surface defects caused by grinding wheels is solved, lossless cutting and efficient production are achieved, and the pass rate and use value of the cell are improved. .

CN222344498UActive Publication Date: 2025-01-14SHENZHEN ZHONGJI AUTOMATION CO LTD
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Patent Information

Application Number
CN202323612483.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-28
Publication Date
2025-01-14
Estimated Expiration
2033-12-28

AI Technical Summary

Technical Problem

In the existing battery cell cutting technology, grinding of the grinding wheel causes the cutting surface to easily produce defects such as slag, cracks, burrs, etc., and the debris generated by cutting are contaminated, resulting in a decrease in the use value of the battery cell and a large production loss.

Method used

A lossless scribing equipment was designed, using laser scribing components to cut the battery cells, combined with the loading and conveying module, cutting tool moving module, drying conveying line, and cutting robot, etc., to reduce damage and The angle loss phenomenon is used, and the drying conveyor line and heating plate are used to dry the battery cells.

Benefits of technology

It effectively reduces the damage and missing corners on the cutting surface of the battery cell, improves the product qualification rate, reduces the loss of battery cutting production, and improves the use value of the battery cell.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of battery piece cutting, in particular to lossless scribing equipment which comprises a feeding conveying module, a cutting jig moving module, a laser scribing assembly, a drying conveying line, a discharging mechanical arm, a transferring mechanical arm, a discharging station and a feeding mechanical arm. The feeding mechanical arm is used for conveying the battery pieces to the cutting jig moving module from the feeding conveying module. The laser scribing assembly is used for scribing the cell panel on the cutting jig moving module; the transfer manipulator is used for transferring the solar panel scribed on the cutting jig moving module to the drying conveying line; the discharging mechanical arm is used for transferring the battery pieces on the drying conveying line to the discharging station. When the laser scribing device is used, the phenomena of damage, unfilled corners, burning and melting and the like of the cutting surface of the battery piece are reduced by adopting a laser scribing processing method, the product percent of pass is improved, and the production loss of battery cutting is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of battery slice cutting, in particular to a non-destructive slicing device. Background Art

[0002] In the processing of battery panels, the battery cells need to be cut into specified specifications. The existing battery cell slicing and cutting uses a grinding wheel for high-speed rotation and grinding to complete the cutting of the battery cells. This type of cutting equipment has a simple structure, but has the following problems: the grinding wheel is in direct contact with the battery cell, and defects such as slag, cracks, and burrs are easily generated in the cutting section. The debris generated by the cutting will also cause contamination to the surface of the battery cell. These defective battery cells need to be downgraded or melted back into the furnace. Whether it is downgrading or remelting, it greatly reduces the use value of the battery cell, and the loss in battery production is large. Utility Model Content

[0003] The utility model aims to provide a non-destructive dicing device in view of the defects and shortcomings of the prior art.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The utility model discloses a non-destructive scribing device, which comprises a loading and conveying module, a cutting jig moving module, a laser scribing assembly, a drying and conveying line, a material unloading manipulator, a transfer manipulator, a material unloading station and a loading manipulator; the loading manipulator is used to convey the battery sheet from the loading and conveying module to the cutting jig moving module; the laser scribing assembly is used to scribing the battery sheet on the cutting jig moving module;

[0006] The transfer robot is used to transfer the cell panels diced on the cutting jig moving module to the drying conveyor line; the unloading robot is used to transfer the cell panels on the drying conveyor line to the unloading station.

[0007] Furthermore, the loading and conveying module includes a material box and a loading and conveying line module for driving the material box to be conveyed; the loading and conveying line module is composed of two loading and conveying lines; both sides of the loading and conveying line module are provided with blowing and separating components for separating the topmost battery cell from the lower battery cell; the bottom of the loading and conveying line module is provided with a material box lifting mechanism for lifting the material box upward.

[0008] Furthermore, the material box lifting mechanism includes a material box lifting fixing frame and a material box lifting plate; a material box lifting module is connected between the material box lifting fixing frame and the material box lifting plate; a plurality of material box positioning pins are arranged on the top surface of the material box lifting plate; a lifting guide sleeve is fixed on the material box lifting fixing frame; and a lifting guide shaft slidably connected to the lifting guide sleeve is fixed on the material box lifting plate.

[0009] Furthermore, the air blowing slice assembly includes a slice fixing seat and an air path fixing seat fixed on the slice fixing seat; a blowing hole is provided on the front surface of the air path fixing seat; an air path connector is connected to the air path fixing seat; a pipeline connecting the blowing hole and the air path connector is provided inside the air path fixing seat.

[0010] Furthermore, a sensor is fixed on the gas path fixing seat.

[0011] Furthermore, the laser scribing assembly includes a laser fixing seat; a water mist nozzle, a cutting laser and a slotting laser are fixed on the laser fixing seat.

[0012] Furthermore, the drying conveyor line includes a conveyor line bracket, a roller frame, a driven roller rotatably connected to the roller frame, an active roller rotatably connected to the conveyor line bracket, and a motor for driving the active roller to rotate; a conveyor belt is tensioned between the active roller and the driven roller; a plurality of air holes are evenly distributed on the surface of the conveyor belt; and a heating plate is fixed on the conveyor line bracket.

[0013] Furthermore, a guide rail is fixed on the roller frame; a slider slidably connected to the guide rail is fixed on the conveyor line bracket; and a compression spring is connected between the roller frame and the guide rail.

[0014] Furthermore, the heating plate is composed of a heat conducting plate and heating rods evenly distributed on the heat conducting plate; and a temperature probe is connected to the heat conducting plate.

[0015] Furthermore, a front visual inspection module is provided at the end of the loading and conveying module.

[0016] After adopting the above structure, the beneficial effects of the utility model are as follows: the non-destructive dicing equipment described in the utility model, when using the utility model, the first step is to put the battery cell to be diced into the loading and conveying module; the second step, the loading robot is used to convey the battery cell from the loading and conveying module to the cutting jig moving module; the third step, the laser dicing assembly cuts the battery cell on the cutting jig moving module; the fourth step, the transfer robot takes out the cut battery cell from the cutting jig moving module and places it on the drying conveyor line for drying; the fifth step, the unloading robot takes out the battery cell on the drying conveyor line and places the qualified product on the unloading station, and the unqualified product into the waste hopper; the laser dicing processing method reduces the occurrence of damage, missing corners, burning and the like on the cut surface of the battery cell, improves the product qualification rate, and reduces the production loss of battery cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural diagram of the feeding and conveying module;

[0019] Figure 3 It is a structural schematic diagram of the material box lifting mechanism;

[0020] Figure 4 It is a schematic diagram of the structure of the air blowing slice assembly;

[0021] Figure 5 It is a structural schematic diagram of the cutting fixture moving module;

[0022] Figure 6 is a schematic diagram of the structure of a laser scribing assembly;

[0023] Figure 7 It is a structural diagram of the drying conveyor line;

[0024] Description of reference numerals:

[0025] A, feeding and conveying module; A1, material box lifting mechanism; A101, material box lifting module;

[0026] A102, material box lifting fixing frame; A103, material box lifting plate; A104, material box positioning pin;

[0027] A105, lifting guide sleeve; A106, lifting guide shaft; A2, feeding conveyor line; A3, material box;

[0028] A4, air blowing slice assembly; A401, slice fixing seat; A402, air circuit connector;

[0029] A403, air path fixing seat; A403a, air blowing hole; A404, sensor; B, front visual detection module;

[0030] C, cutting jig moving module; D, laser scribing assembly; D1, laser fixing seat;

[0031] D2, water mist nozzle; D3, cutting laser; D4, slotting laser; E, drying conveyor line;

[0032] E1, active roller; E2, motor; E3, conveyor line bracket; E4, heating plate; E5, compression spring;

[0033] E6, guide rail; E7, roller frame; E8, conveyor belt; E801, air vent; E9, temperature probe;

[0034] E10, driven roller; F, rear inspection platform; G, waste hopper; H, unloading manipulator;

[0035] I. Transfer robot; J. Unloading station; K. Loading robot. DETAILED DESCRIPTION

[0036] The utility model is further described below in conjunction with the accompanying drawings.

[0037] like Figures 1 to 7 As shown, the non-destructive scribing equipment described in the utility model includes a loading and conveying module A, a cutting jig moving module C, a laser scribing assembly D, a drying conveying line E, a material unloading manipulator H, a transfer manipulator I, a material unloading station J and a loading manipulator K; the loading manipulator K is used to transport the battery cell from the loading and conveying module A to the cutting jig moving module C; the laser scribing assembly D is used to scribing the battery panel on the cutting jig moving module C;

[0038] The transfer robot I is used to transfer the cell panels diced on the cutting jig moving module C to the drying conveyor line E; the unloading robot H is used to transfer the cell panels on the drying conveyor line E to the unloading station J;

[0039] The cutting jig moving module C is composed of a welding jig that can clamp and fix the battery sheet and a module that drives the welding jig to move; the loading robot K, the unloading robot H and the transfer robot I are essentially the same as the existing robot mechanism, so they are not described in detail;

[0040] The first step is to place the battery cells to be diced into the loading and conveying module A;

[0041] In the second step, the loading robot K is used to transport the battery cells from the loading and conveying module A to the cutting fixture moving module C;

[0042] In the third step, the laser scribing assembly D cuts the battery cells on the cutting jig moving module C;

[0043] Step 4: The transfer robot I takes the cut battery sheet out of the cutting jig moving module C and places it on the drying conveyor line E for drying;

[0044] In the fifth step, the unloading robot H takes out the battery cells from the drying conveyor line E and places the qualified products into the unloading station J, while the unqualified products are placed into the waste hopper G. The laser scribing processing method reduces the occurrence of damage, chipping, and burning on the cut surface of the battery cells, improves the product qualification rate, and reduces the production loss of battery cutting.

[0045] As a preferred embodiment of the present utility model, the feeding conveying module A includes a material box A3 and a feeding conveying line module for driving the material box A3 to be conveyed; the feeding conveying line module is composed of two feeding conveying lines A2; a limit plate is arranged between the two feeding conveying lines A2 for conveying and guiding the material box A3; both sides of the feeding conveying line module are provided with a blowing sheeting assembly A4 for separating the topmost battery sheet from the lower battery sheet; the bottom of the feeding conveying line module is provided with a material box lifting mechanism A1 for lifting the material box A3 upward;

[0046] There are multiple battery cells stacked inside the material box A3; after the material box A3 is transported to the bottom of the loading robot K by the loading conveyor line module, the air blowing and separating components A4 on both sides separate the top battery cell from the battery cell below, and the loading robot K grabs the top battery cell and puts it on the cutting jig moving module C; then the material box lifting mechanism A1 lifts the material box A3 to the height of a battery cell, so that the air outlet direction of the air blowing and separating component A4 is facing the gap between the top battery cell and the battery cell below.

[0047] As a preferred embodiment of the present utility model, the material box lifting mechanism A1 includes a material box lifting fixing frame A102 and a material box lifting plate A103; the material box lifting fixing frame A102 is fixed to the frame; a material box lifting module A101 is connected between the material box lifting fixing frame A102 and the material box lifting plate A103; a plurality of material box positioning pins A104 are arranged on the top surface of the material box lifting plate A103; a lifting guide sleeve A101 is fixed on the material box lifting fixing frame A102. 105; a lifting guide shaft A106 slidably connected to the lifting guide sleeve A105 is fixed on the material box lifting plate A103; a pin hole matching the box positioning pin A104 is provided at the bottom of the material box A3; the material box lifting module A101 is essentially the same as the existing linear module, so it is not described in detail. The material box lifting module A101 drives the material box lifting plate A103 to perform lifting movements. After the material box positioning pin A104 is inserted into the pin hole at the bottom of the material box A3, it can push the material box A3 to rise in a directional manner.

[0048] As a preferred embodiment of the present utility model, the air blowing slice assembly A4 includes a slice fixing seat A401 and an air path fixing seat A403 fixed on the slice fixing seat A401; a blowing hole A403a is provided on the front surface of the air path fixing seat A403; an air path connector A402 is connected to the air path fixing seat A403; a pipeline connecting the blowing hole A403a and the air path connector A402 is provided inside the air path fixing seat A403; the air path connector A402 is connected to an external air path, and the air hole A403a is controlled by the external air path to blow out an airflow, so that the top battery sheet is blown up and separated from the next battery sheet.

[0049] As a preferred embodiment of the present utility model, a sensor A404 is fixed on the air path fixing seat A403; the sensor A404 is an inductive optical fiber sensor, which has no essential difference from the prior art and is therefore not described in detail. When the material reaches the sensing position of the sensor A404, the sensor A404 sends a signal; the sensor cooperates with the material box lifting module A101 so that after each battery cell is taken out, the top battery cells among the remaining battery cells in the material box A3 are at the same height position.

[0050] As a preferred embodiment of the present utility model, the laser scribing assembly D includes a laser fixing seat D1; a water mist nozzle D2, a cutting laser D3 and a slotting laser D4 are fixed on the laser fixing seat D1; the slotting laser D4 is used to focus on the beginning and the end of the cutting line; the battery cell is pre-notched by the slotting laser D4, and the cutting laser D3 cuts the battery cell from the beginning to the end of the cutting line; the cutting jig moving module C drives the battery cell to move and cooperate with the slotting laser D4 and the cutting laser D3 for cutting; the water mist nozzle D2 has no essential difference from the prior art, so it is not described in detail, and the water mist nozzle D2 is used to spray water mist for cooling.

[0051] As a preferred embodiment of the utility model, the drying conveyor line E includes a conveyor line bracket E3, a roller frame E7, a driven roller E10 rotatably connected to the roller frame E7, an active roller E1 rotatably connected to the conveyor line bracket E3, and a motor E2 for driving the active roller E1 to rotate; a conveyor belt E8 is tensioned between the active roller E1 and the driven roller E10; a plurality of air holes E801 are evenly distributed on the surface of the conveyor belt E8; a heating plate E4 is fixed on the conveyor line bracket E3;

[0052] The motor E2 drives the active roller E1 to rotate, causing the conveyor belt E8 and the driven roller E10 to rotate, and the battery panels are placed on the surface of the conveyor belt E8; the heat emitted by the heating plate E4 is transferred to the battery panels on the surface of the conveyor belt E8 through the air holes E801, cooling the battery panels and drying the residual water when cutting.

[0053] As a preferred embodiment of the present utility model, a guide rail E6 is fixed on the roller frame E7; a slider slidably connected to the guide rail E6 is fixed on the conveyor line bracket E3; a compression spring E5 is connected between the roller frame E7 and the guide rail E6; under the action of the compression spring E5, the roller frame E7 is pushed to slide away from the active roller E1, and the conveyor belt E8 is tensioned by utilizing the pressure generated by the driven roller E10 on the conveyor belt E8.

[0054] As a preferred embodiment of the present utility model, the heating plate E4 is composed of a heat conducting plate and heating rods evenly distributed on the heat conducting plate; a temperature probe E9 is connected to the heat conducting plate; the heating rods heat the heat conducting plate, and the temperature probe E9 is used to monitor the temperature of the heat conducting plate and feed it back to the control system, thereby controlling the temperature of the heat conducting plate by controlling the power of the heating rods.

[0055] As a preferred embodiment of the present utility model, a front visual inspection module B is provided at the end of the loading and conveying module A; the front visual inspection module B is a CCD camera, which is used to obtain images of the battery cells for comparison, and the front visual inspection module B is used to detect whether the battery cells clamped by the loading robot K are damaged, missing corners, broken edges and other defective products. If they are good products, they are clamped by the loading robot K and enter the cutting jig moving module C; if they are defective products, they are conveyed by the loading robot K to the reflux conveying line arranged parallel to the loading and conveying module A; a rear inspection platform F is also provided at the end of the drying conveying line E, and after the battery cells are placed on the rear inspection platform F by the unloading robot H, image information is obtained by taking pictures for comparison to detect whether the battery cells are good products. If they are good products, they enter the unloading station J; if they are defective products, they enter the waste hopper G.

[0056] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A non-destructive dicing device, characterized in that: It comprises a loading and conveying module (A), a cutting jig moving module (C), a laser scribing assembly (D), a drying conveying line (E), a material unloading robot (H), a transfer robot (I), a material unloading station (J) and a loading robot (K); the loading robot (K) is used to convey the battery cell from the loading and conveying module (A) to the cutting jig moving module (C); the laser scribing assembly (D) is used to scribing the battery plate on the cutting jig moving module (C); the transfer robot (I) is used to transfer the scribed battery plate on the cutting jig moving module (C) to the drying conveying line (E); the unloading robot (H) is used to transfer the battery cell on the drying conveying line (E) to the unloading station (J).

2. The non-destructive dicing device according to claim 1, characterized in that: The loading and conveying module (A) comprises a material box (A3) and a loading and conveying line module for driving the material box (A3) for conveying; the loading and conveying line module is composed of two loading and conveying lines (A2); both sides of the loading and conveying line module are provided with a blowing and separating assembly (A4) for separating a topmost battery sheet from a lower battery sheet; and the bottom of the loading and conveying line module is provided with a material box lifting mechanism (A1) for lifting the material box (A3) upward.

3. The non-destructive dicing device according to claim 2, characterized in that: The material box lifting mechanism (A1) comprises a material box lifting fixing frame (A102) and a material box lifting plate (A103); a material box lifting module (A101) is connected between the material box lifting fixing frame (A102) and the material box lifting plate (A103); a plurality of material box positioning pins (A104) are arranged on the top surface of the material box lifting plate (A103); a lifting guide sleeve (A105) is fixed on the material box lifting fixing frame (A102); and a lifting guide shaft (A106) slidably connected to the lifting guide sleeve (A105) is fixed on the material box lifting plate (A103).

4. The non-destructive dicing device according to claim 2, characterized in that: The air blowing slice assembly (A4) comprises a slice fixing seat (A401), and an air path fixing seat (A403) fixed on the slice fixing seat (A401); a blowing hole (A403a) is arranged on the front surface of the air path fixing seat (A403); an air path connector (A402) is connected to the air path fixing seat (A403); and a pipeline is arranged inside the air path fixing seat (A403) for connecting the blowing hole (A403a) and the air path connector (A402).

5. The non-destructive dicing device according to claim 4, characterized in that: A sensor (A404) is fixed on the gas path fixing seat (A403).

6. The non-destructive dicing device according to claim 1, characterized in that: The laser scribing assembly (D) comprises a laser fixing seat (D1); a water mist nozzle (D2), a cutting laser (D3) and a slotting laser (D4) are fixed on the laser fixing seat (D1).

7. The non-destructive dicing device according to claim 6, characterized in that: The drying conveyor line (E) comprises a conveyor line support (E3), a roller frame (E7), a driven roller (E10) rotatably connected to the roller frame (E7), an active roller (E1) rotatably connected to the conveyor line support (E3), and a motor (E2) for driving the active roller (E1) to rotate; a conveyor belt (E8) is tensioned between the active roller (E1) and the driven roller (E10); a plurality of air holes (E801) are evenly distributed on the surface of the conveyor belt (E8); and a heating plate (E4) is fixed on the conveyor line support (E3).

8. The non-destructive dicing device according to claim 7, characterized in that: A guide rail (E6) is fixed on the roller frame (E7); a sliding block slidably connected to the guide rail (E6) is fixed on the conveyor line bracket (E3); and a compression spring (E5) is connected between the roller frame (E7) and the guide rail (E6).

9. The non-destructive dicing device according to claim 7, characterized in that: The heating plate (E4) is composed of a heat conducting plate and heating rods evenly distributed on the heat conducting plate; a temperature probe (E9) is connected to the heat conducting plate.

10. The non-destructive dicing device according to claim 1, characterized in that: A front visual inspection module (B) is provided at the end of the loading and conveying module (A).