Inter-roller pressure detection structure

Abstract

The utility model discloses an inter-roller pressure detection structure, and belongs to the technical field of lithium battery production. The upper roller is located between the two side plates, and the two ends of the upper roller are connected with upper roller bearings. Cylinders are arranged on the inner sides of the side plates, bases of the cylinders are fixedly connected with the side plates, and the movement direction of piston rods of the cylinders is perpendicular to the upper roller. A side push plate is fixedly arranged at the tail end of the piston rod, is parallel to the side plate and moves along with the piston rod; weighing sensors are further fixedly arranged on the inner sides of the side plates; the weighing sensor is located over the air cylinder, and pressure is applied to the weighing sensor at the bottom of the weighing sensor through the side push plate. The two ends of the lower roller are located on the corresponding side push plates. According to the utility model, the error of the pressure value can be reduced, and more accurate data reference is provided for the production of the battery pole piece.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery production, and particularly relates to a structure for detecting pressure between two rollers. Background Art

[0002] The roller press in the lithium battery industry needs to have different tensions at different positions on the production equipment, and a larger inter-roller pressure at the tension break to form an effective tension break. The current inter-roller pressure detection is calculated by the thrust on the lower roller, which has a large error. Utility Model Content

[0003] In order to solve the problems existing in the background technology, the utility model provides a pressure detection structure between two rollers, which can reduce the error of pressure value and provide more accurate data reference for battery pole piece production.

[0004] In order to solve the above technical problems, the utility model is achieved through the following technical solutions:

[0005] A roller pressure detection structure comprises an upper roller, a lower roller and two opposite side plates; the upper roller is located between the two side plates, and its two ends are connected to the upper roller bearing; a cylinder is provided on the inner side of the side plate, the base of the cylinder is fixedly connected to the side plate, and the movement direction of the piston rod is perpendicular to the upper roller;

[0006] A side push plate is fixedly arranged at the end of the piston rod, and the side push plate is parallel to the side plate and moves with the piston rod; a weighing sensor is also fixedly arranged on the inner side of the side plate; the weighing sensor is located directly above the cylinder, and pressure is applied to the weighing sensor at the bottom of the weighing sensor through the side push plate;

[0007] Both ends of the lower roller are located on the corresponding side push plates.

[0008] Furthermore, the lower roller is parallel to the upper roller.

[0009] Furthermore, the inner side of the side thrust plate is connected to the lower roller bearing, and the outer side of the side thrust plate is provided with a shaft bearing, the shaft end of the shaft bearing is fixedly connected to the side thrust plate, and the bearing end of the shaft bearing is against the bottom of the weighing sensor for applying pressure to the weighing sensor.

[0010] Furthermore, an inclined iron is provided on the inner side of the side plate, and the weighing sensor is fixed on the bottom of the inclined iron.

[0011] Furthermore, the inclined iron is located below the upper roller.

[0012] Compared with the background technology, the utility model has the following advantages:

[0013] The weighing sensor of the utility model reads the value to control the air intake pressure of the cylinder. The cylinder thrust minus the gravity of the two rollers and the sensor value, that is, the pressure value between the rollers, has a smaller error in the pressure value, providing more accurate data reference for battery pole piece production. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is an enlarged view of part of the structure of the utility model.

[0016] In the figure: 1.1, side plate, 2. lower roller, 3. upper roller, 4. inclined iron, 5. weighing sensor, 6. bearing with shaft, 7. side thrust plate, 8. cylinder. DETAILED DESCRIPTION

[0017] The following is combined with Figure 1-2 The specific implementation methods of the utility model are further described in detail with examples.

[0018] A roller pressure detection structure comprises an upper roller, a lower roller and two opposite side plates; the upper roller is located between the two side plates, and its two ends are connected to the upper roller bearing; a cylinder is provided on the inner side of the side plate, the base of the cylinder is fixedly connected to the side plate, and the movement direction of the piston rod is perpendicular to the upper roller;

[0019] A side push plate is fixedly arranged at the end of the piston rod, and the side push plate is parallel to the side plate and moves with the piston rod; a weighing sensor is also fixedly arranged on the inner side of the side plate; the weighing sensor is located directly above the cylinder, and pressure is applied to the weighing sensor at the bottom of the weighing sensor through the side push plate;

[0020] Both ends of the lower roller are located on the corresponding side push plates.

[0021] Furthermore, the lower roller is parallel to the upper roller.

[0022] Furthermore, the inner side of the side thrust plate is connected to the lower roller bearing, and the outer side of the side thrust plate is provided with a shaft bearing, the shaft end of the shaft bearing is fixedly connected to the side thrust plate, and the bearing end of the shaft bearing is against the bottom of the weighing sensor for applying pressure to the weighing sensor.

[0023] Furthermore, an inclined iron is provided on the inner side of the side plate, and the weighing sensor is fixed on the bottom of the inclined iron.

[0024] Furthermore, the inclined iron is located below the upper roller.

[0025] The following is a more specific embodiment 1:

[0026] Reference Figure 1 and Figure 2This embodiment includes a fixed side plate; cylinders are respectively arranged at the bottom of the fixed side plates on both sides; a movable side push plate is arranged above the cylinder; the push plates on both sides are connected and fixed by lower rollers; a belt shaft bearing is arranged on the outer side of the side push plate; an inclined iron connected to the side plate is arranged above the belt shaft bearing; a weighing sensor is installed below the inclined iron; an upper roller is arranged above the lower roller between the two fixed side plates.

[0027] The working principle is: the cylinder pushes the side push plate connected to the lower roller, and the side push plate drives the lower roller to squeeze the upper roller. At the same time, the shaft bearing connected to the lower roller contacts and squeezes the weighing sensor fixed under the inclined iron; the weighing sensor reads the value and controls the cylinder intake pressure. The cylinder thrust minus the gravity of the two rollers and the sensor value is the pressure value between the rollers.

[0028] In Embodiment 2, corresponding annular pressure sensors may be respectively arranged at different positions of the upper and lower rollers to detect the pressure between the rollers.

Claims

1. A roller pressure detection structure, comprising an upper roller, a lower roller and two opposite side plates; characterized in that: The upper roller is located between the two side plates, and its two ends are connected to the upper roller bearings; a cylinder is provided on the inner side of the side plate, the base of the cylinder is fixedly connected to the side plate, and the movement direction of its piston rod is perpendicular to the upper roller; A side push plate is fixedly arranged at the end of the piston rod, and the side push plate is parallel to the side plate and moves with the piston rod; a weighing sensor is also fixedly arranged on the inner side of the side plate; the weighing sensor is located directly above the cylinder, and pressure is applied to the weighing sensor at the bottom of the weighing sensor through the side push plate; Both ends of the lower roller are located on the corresponding side push plates.

2. The roller pressure detection structure according to claim 1, characterized in that: The lower roller is parallel to the upper roller.

3. The roller pressure detection structure according to claim 1, characterized in that: The inner side of the side thrust plate is connected to the lower roller bearing, and the outer side of the side thrust plate is provided with a shaft bearing, the shaft end of the shaft bearing is fixedly connected to the side thrust plate, and the bearing end of the shaft bearing is against the bottom of the weighing sensor for applying pressure to the weighing sensor.

4. The roller pressure detection structure according to claim 1, characterized in that: An inclined iron is also provided on the inner side of the side plate, and the weighing sensor is fixed on the bottom of the inclined iron.

5. The roller pressure detection structure according to claim 4, characterized in that: The inclined iron is located below the upper roller.

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