High-speed roller press pole piece identification brake device

Abstract

The utility model discloses a pole piece identification brake device of a high-speed roller press, which relates to the technical field of battery pole piece roller presses and comprises a device seat and a brake mechanism, a rolling component is mounted in the middle of the device seat, an identification mechanism is horizontally erected at the top of the rolling component, and the brake mechanism is vertically erected on the left and the right of the device seat. According to the pole piece identification brake device of the high-speed roller press, the identification mechanism is horizontally erected on the top of the front side of the rolling assembly, pole pieces conveyed into a hot pressing roller can be effectively and rapidly identified, meanwhile, the identification mechanism is matched with the brake mechanisms symmetrically erected on the left side and the right side of the rolling assembly, and rotation of the hot pressing roller can be rapidly and stably stopped according to needs; and meanwhile, the recognition mechanism can guarantee the flexibility and the stability of the operation of the device to the greatest extent by utilizing the operation of each structure of the recognition mechanism, so that the pole piece can be accurately recognized.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pole piece rolling presses, in particular to a pole piece identification braking device for a high-speed rolling press. Background Technique

[0002] A high-speed rolling press refers to an experimental battery pole piece rolling press, also known as a double-roll press, rolling mill, or tablet press, which is widely used in industries such as chemical engineering and electronics. It has the advantages of being adjustable, high hardness, high precision, automation, and easy operation. It is a device used in industries such as chemical engineering and electronics. Among them, the special rolling press for the battery industry is specifically designed for the rolling process of lithium-ion batteries. Due to the high precision requirements for pole piece rolling, the rolling press needs to have the characteristics of high hardness, uniform pressure, easy adjustment, and high precision.

[0003] It is widely used in the rolling of pole pieces of lithium-ion cylindrical batteries, soft-pack polymer batteries, button batteries, as well as supercapacitors, nickel-metal hydride batteries, etc., and is suitable for use in universities and research institutions. Since the compaction density and compactness have a greater impact on the battery performance during the battery manufacturing process. Generally speaking, the higher the compactness, the higher the battery capacity can be made. An appropriate compaction density can increase the discharge capacity of the battery, reduce the internal resistance, reduce the polarization loss, extend the cycle life of the battery, and improve the utilization rate of lithium-ion batteries. Therefore, the rolling of pole pieces is a very important process in the battery manufacturing process.

[0004] The pole piece rolling press mainly consists of two high-hardness pressing rollers that rotate synchronously in opposite directions, one is a fixed roller and the other is a movable roller. The fixed roller is driven by a motor to rotate, and then the movable roller follows the fixed roller to rotate synchronously in opposite directions. According to the required process requirements, the corresponding gap between the two rollers is adjusted, and then the coated and dried pole piece is fed from the feeding tray. Under the action of the adjusted gap and pressure between the two rollers, the pole piece is under high pressure and changes from the original loose state to a dense state, and the mass density is significantly improved, meeting the process requirements.

[0005] Among them, when the pole piece rolling press performs batch sequential rolling processing on pole pieces, a pole piece identification braking device will be used to identify the type of pole piece to adjust the rolling force, and at the same time, coordinate the braking device to control and adjust the rolling press to make it stop suddenly in real time according to the identification of the pole piece.

[0006] When a conventional battery pole piece rolling press needs to stop operating, with the stop of the driving motor, at this time, its roller structure still rotates for a period of time due to structural flexibility and inertia until the inertia is eliminated. At this time, it will cause unnecessary processing of the untransported pole pieces or cause unnecessary safety accidents.

[0007] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a pole piece identification braking device for a high-speed rolling press is proposed. Summary of the Utility Model

[0008] The purpose of the present utility model is to provide a pole piece recognition braking device for a high-speed roll press, so as to solve the problems raised in the above-mentioned background technology.

[0009] To achieve the above purpose, the present utility model provides the following technical solution: A pole piece recognition braking device for a high-speed roll press, including a device base and a braking mechanism. A roll pressing assembly is installed in the middle of the device base, and a recognition mechanism is horizontally installed on the top of the roll pressing assembly. The braking mechanism is vertically installed on the left and right of the device base. The braking mechanism includes a fixed frame, a driving motor, a bidirectional lead screw, a support slider, a brake pad, and a hydraulic push rod. A driving motor is vertically installed on the top of the fixed frame, and the power output end at the bottom of the driving motor is installed with a bidirectional lead screw through a coupling. Support sliders are installed at both ends of the surface of the bidirectional lead screw, and a brake pad is connected to one side of the support slider. At the same time, a hydraulic push rod is vertically connected to the top of the brake pad.

[0010] Further, the roll pressing assembly includes a hot pressing roll, an electric bearing frame, a stabilizing frame, and a reduction roll. Electric bearing frames are installed at both ends of the hot pressing roll, a stabilizing frame is connected to the side of the electric bearing frame, and a reduction roll is installed on the side of the electric bearing frame away from the hot pressing roll.

[0011] Further, the hot pressing roll, the electric bearing frame, and the reduction roll are all on the same horizontal central axis, and the electric bearing frame is slidably connected to the stabilizing frame.

[0012] Further, the recognition mechanism includes a bracket guide rail, a servo motor, a lead screw, and a stabilizing slider. A servo motor is horizontally installed at one end of the bracket guide rail, the power output end of the servo motor is installed with a lead screw through a coupling, and a stabilizing slider is installed on the surface of the lead screw.

[0013] Further, the bracket guide rail is horizontally installed between the tops of the left and right stabilizing frames, the stabilizing slider is slidably connected to the bracket guide rail, and the stabilizing slider is threadedly connected to the lead screw.

[0014] Further, the recognition mechanism further includes an electric rotating frame and a pole piece recognition instrument. An electric rotating frame is installed on the front side surface of the stabilizing slider, and a pole piece recognition instrument is installed in the middle of the electric rotating frame.

[0015] Further, the brake pad is installed on the side of the support slider away from the fixed frame, and the fixed frame is slidably connected to the fixed frame.

[0016] Further, the hydraulic push rod is vertically and fixedly installed at the upper and lower ends of the fixed frame, and the power output end of the hydraulic push rod is connected to the brake pad.

[0017] The utility model provides a pole piece recognition braking device for a high-speed roll press, which has the following beneficial effects:

[0018] 1. In the utility model, reduction rollers are connected to both ends of the hot press roller, and a braking mechanism is arranged on one side of the reduction roller. When it is necessary to quickly decelerate the hot press roller and make it stop, only need to start the driving motor, and drive the bidirectional lead screw connected thereto to axially rotate in the vertical direction, so that the supporting sliders at both ends of its surface will simultaneously drive the brake pads to translate in the vertical direction, so that the brake pads are closely attached to and abutted against the surface of the reduction roller. At the same time, the hydraulic push rod connected to the brake pads will synchronously press the brake pads against the surface of the reduction roller in the vertical direction, and use the structural friction force to convert the kinetic energy into heat energy and transmit it to the outside until the hot press roller quickly stops. By using the above structure, on the one hand, it can provide effective braking for the entire roll pressing assembly when needed, and on the other hand, with the assistance of the hydraulic push rod, it can provide the maximum structural stability and support for the supporting sliders and brake pads, so as to achieve a good braking effect.

[0019] 2. In the utility model, a recognition mechanism is horizontally arranged on the top of the roll pressing assembly. When the battery pole piece is being conveyed towards the middle of the roll pressing assembly, as needed, at this time, the servo motor will drive the lead screw connected thereto to axially rotate in the horizontal direction, thereby driving the stable slider on its surface to translate left and right in the horizontal direction, and further driving the pole piece recognition instrument connected thereto through the electric rotating frame to translate left and right synchronously, so as to assist the pole piece recognition instrument to more accurately identify the pole piece being conveyed. In addition, the electric rotating frame can drive the pole piece recognition instrument to swing up and down within a certain range in the vertical direction. By using the above structure, the structural flexibility of the entire device is maximally guaranteed, and at the same time, the entire recognition mechanism can be used to assist the recognition mechanism to provide real-time braking for the roll pressing assembly. Description of the Drawings

[0020] Figure 1 It is a schematic side view structure diagram of the body of a pole piece recognition braking device for a high-speed roll press of the utility model;

[0021] Figure 2 It is a schematic structure diagram of the roll pressing assembly of a pole piece recognition braking device for a high-speed roll press of the utility model;

[0022] Figure 3 It is a schematic three-dimensional structure diagram of the recognition mechanism of a pole piece recognition braking device for a high-speed roll press of the utility model;

[0023] Figure 4 It is a schematic three-dimensional structure diagram of the braking mechanism of a pole piece recognition braking device for a high-speed roll press of the utility model.

[0024] In the figure: 1. Device base; 2. Roller pressing assembly; 201. Hot pressing roller; 202. Electric bearing bracket; 203. Stabilizing bracket; 204. Deceleration roller; 3. Identification mechanism; 301. Bracket guide rail; 302. Servo motor; 303. Lead screw; 304. Stable slider; 305. Electric rotating bracket; 306. Electrode sheet identifier; 4. Braking mechanism; 401. Fixed bracket; 402. Driving motor; 403. Bi-directional lead screw; 404. Support slider; 405. Brake pad; 406. Hydraulic push rod. Detailed implementation mode

[0025] The following further describes the implementation mode of the present utility model in detail in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0026] As Figures 1 to 4 shown, a high-speed roller press electrode sheet identification and braking device includes a device base 1 and a braking mechanism 4. A roller pressing assembly 2 is installed in the middle of the device base 1, and an identification mechanism 3 is horizontally installed on the top of the roller pressing assembly 2. The braking mechanism 4 is vertically installed on the left and right of the device base 1. The braking mechanism 4 includes a fixed bracket 401, a driving motor 402, a bi-directional lead screw 403, a support slider 404, a brake pad 405 and a hydraulic push rod 406. A driving motor 402 is vertically installed on the top of the fixed bracket 401, and a bi-directional lead screw 403 is installed at the power output end of the bottom of the driving motor 402 through a coupling. Support sliders 404 are installed at both ends of the surface of the bi-directional lead screw 403, and a brake pad 405 is connected to one side of the support slider 404. At the same time, a hydraulic push rod 406 is vertically connected to the top of the brake pad 405. The brake pad 405 is installed on the side of the support slider 404 away from the fixed bracket 401, and is slidably connected between the fixed brackets 401. The hydraulic push rod 406 is vertically and fixedly installed at the upper and lower ends of the fixed bracket 401, and the power output end of the hydraulic push rod 406 is connected to the brake pad 405. When the driving motor 402 is started, the bi-directional lead screw 403 connected thereto rotates axially in the vertical direction, so that the support sliders 404 at both ends of its surface will drive the brake pad 405 to translate in the vertical direction at the same time, so that the brake pad 405 closely adheres to and abuts against the surface of the deceleration roller 204. At the same time, the hydraulic push rod 406 connected to the brake pad 405 will synchronously press the brake pad 405 against the surface of the deceleration roller 204 in the vertical direction, and use the structural friction force to convert kinetic energy into heat energy and transmit it to the outside until the hot pressing roller 201 quickly stops.

[0027] As Figures 1 to 4As shown in the figure, the rolling assembly 2 includes a hot rolling roller 201, an electric bearing bracket 202, a stabilizing bracket 203, and a reduction roller 204. Electric bearing brackets 202 are installed at both ends of the hot rolling roller 201, and a stabilizing bracket 203 is connected to the side of the electric bearing bracket 202. Moreover, a reduction roller 204 is installed on the side of the electric bearing bracket 202 away from the hot rolling roller 201. The hot rolling roller 201, the electric bearing bracket 202, and the reduction roller 204 are all on the same horizontal central axis. And the electric bearing bracket 202 is slidably connected to the stabilizing bracket 203. The identification mechanism 3 includes a bracket guide rail 301, a servo motor 302, a lead screw 303, and a stabilizing slider 304. A servo motor 302 is horizontally installed at one end of the bracket guide rail 301, and a lead screw 303 is installed at the power output end of the servo motor 302 through a coupling. Moreover, a stabilizing slider 304 is installed on the surface of the lead screw 303. The bracket guide rail 301 is horizontally installed between the tops of the left and right stabilizing brackets 203. And the stabilizing slider 304 is slidably connected to the bracket guide rail 301. Moreover, the stabilizing slider 304 is threadedly connected to the lead screw 303. The identification mechanism 3 further includes an electric rotating bracket 305 and a pole piece identifier 306. An electric rotating bracket 305 is installed on the front side elevation of the stabilizing slider 304, and a pole piece identifier 306 is installed in the middle of the electric rotating bracket 305. When the battery pole piece is being conveyed towards the middle of the rolling assembly 2, as needed, at this time, the servo motor 302 will drive the connected lead screw 303 to axially rotate in the horizontal direction, thereby driving the stabilizing slider 304 on its surface to translate left and right in the horizontal direction, and further driving the pole piece identifier 306 connected thereto through the electric rotating bracket 305 to translate left and right synchronously, so as to assist the pole piece identifier 306 to more accurately identify the pole piece during transmission.

[0028] In summary, as Figures 1 to 4 shown, when using the pole piece identification and braking device of this high-speed roller press, first, when the pole piece is gradually conveyed towards the rolling assembly 2 by the upstream equipment, at this time, the identification mechanism 3 will operate in real time. Driven by the servo motor 302 at one end of the surface of the bracket guide rail 301, the lead screw 303 connected to its power output end will axially rotate in the horizontal direction, so that the connected stabilizing slider 304 will simultaneously translate along the surfaces of the bracket guide rail 301 and the lead screw 303. At the same time, under the rotation of the electric rotating bracket 305, the connected pole piece identifier 306 is driven to swing up and down at a certain angle in the vertical direction, so as to adjust the pole piece identifier 306 to an appropriate angle to identify the conveyed pole piece;

[0029] When the pole piece identified by the pole piece identifier 306 needs to stop the hot pressing roller 201 installed in the stabilizing frame 203 by using the electric bearing bracket 202, at this time, the external driving device will stop outputting power to the hot pressing roller 201. At the same time, under the operation of the driving motor 402 at the top of the fixing frame 401, the bidirectional lead screw 403 connected to the power output end at its lower end will rotate synchronously in the vertical axial direction, and drive the support sliders 404 at the upper and lower ends. The brake pads 405 on one side will gradually move towards the surface of the deceleration roller 204. At this time, the hydraulic push rod 406 will operate synchronously, and use the structural elasticity to provide support for the brake pads 405, and make them abut against the surface of the deceleration roller 204 to the greatest extent until the hot pressing roller 201 is completely braked.

[0030] The embodiments of the present invention are given for purposes of illustration and description, and are not exhaustive or limit the present invention to the disclosed form. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and design various embodiments with various modifications suitable for specific purposes.

Claims

1. A high-speed roller press pole piece identification brake device, comprising a device seat (1) and a brake mechanism (4), characterized in that: A rolling assembly (2) is installed in the middle of the device seat (1), and an identification mechanism (3) is horizontally installed on the top of the rolling assembly (2). The brake mechanism (4) is vertically installed on the left and right of the device seat (1). The brake mechanism (4) comprises a fixed frame (401), a driving motor (402), a bidirectional screw rod (403), a supporting slider (404), a brake pad (405) and a hydraulic push rod (406). The driving motor (402) is vertically installed on the top of the fixed frame (401), and the bottom power output end of the driving motor (402) is installed with a bidirectional screw rod (403) through a coupling, and supporting sliders (404) are installed at both ends of the surface of the bidirectional screw rod (403), and one side of the supporting slider (404) is connected to the brake pad (405), and the top of the brake pad (405) is vertically connected to the hydraulic push rod (406).

2. A high-speed roller press pole piece identification brake device according to claim 1, characterized in that: The rolling assembly (2) comprises a hot pressing roller (201), an electric bearing frame (202), a stabilizing frame (203) and a speed reducing roller (204); the electric bearing frames (202) are installed at both ends of the hot pressing roller (201); the side of the electric bearing frame (202) is connected to the stabilizing frame (203); and the speed reducing roller (204) is installed on the side of the electric bearing frame (202) away from the hot pressing roller (201).

3. A high-speed roller press pole piece identification brake device according to claim 2, characterized in that: The hot pressing roller (201), the electric bearing frame (202) and the speed reduction roller (204) are all located on the same horizontal central axis, and the electric bearing frame (202) and the stabilizing frame (203) are slidably connected.

4. A high-speed roller press pole piece identification brake device according to claim 3, characterized in that: The identification mechanism (3) comprises a support rail (301), a servo motor (302), a lead screw (303) and a stabilizing slider (304); the servo motor (302) is transversely mounted on one end of the support rail (301); the lead screw (303) is mounted on the power output end of the servo motor (302) via a coupling; and the stabilizing slider (304) is mounted on the surface of the lead screw (303).

5. A high-speed roller press pole piece identification brake device according to claim 4, characterized in that: The support rail (301) is horizontally mounted between the tops of the left and right stabilizing frames (203), and the stabilizing slider (304) is slidably connected to the support rail (301), and the stabilizing slider (304) is threadedly connected to the lead screw (303).

6. A high-speed roller press pole piece identification brake device according to claim 5, characterized in that: The identification mechanism (3) further comprises an electric rotating frame (305) and a pole piece identification instrument (306); the electric rotating frame (305) is installed on the front and side elevations of the stabilizing slider (304), and the pole piece identification instrument (306) is installed in the middle of the electric rotating frame (305).

7. A high-speed roller press pole piece identification brake device according to claim 1, characterized in that: The brake pad (405) is installed on a side of the supporting slide block (404) away from the fixing frame (401), and the fixing frames (401) are slidably connected to each other.

8. A high-speed roller press pole piece identification brake device according to claim 7, characterized in that: The hydraulic push rod (406) is vertically fixedly installed at the upper and lower ends of the fixing frame (401), and the power output end of the hydraulic push rod (406) is connected to the brake pad (405).

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