Coating machine unwinding tension control device

Abstract

The utility model discloses a coating machine unwinding tension control device, including coating machine main part, be equipped with unwinding shaft, tension sensor, adjusting shaft and traction shaft on coating machine main part, and base cloth raw material is installed on unwinding shaft, passes through tension sensor, adjusting shaft and traction shaft in proper order, is equipped with the regulation and control subassembly on adjusting shaft, and the regulation and control subassembly includes mounting panel and adjusting motor, and mounting panel and adjusting motor are installed at coating machine main part bottom respectively, and the sliding element is slidably installed on mounting panel, and the sliding element is installed with movable axle plate on, the utility model discloses, through setting adjusting shaft, when the base cloth raw material on unwinding shaft gradually reduces, and the tension sensor monitoring tension change and through PLC module control adjusting motor, drive adjusting gear disc rotation, further through sliding element drive movable axle plate and expand outward, increase adjusting shaft's axle radius, and axle radius increases, and tension becomes big, play the effect of adjusting tension, offset the tension change that base cloth raw material gradually reduces, and the diameter becomes small leads.

Description

Technical Field

[0001] This utility model relates to the field of coating machine technology, specifically to a coating machine unwinding tension control device. Background Technology

[0002] A coating machine is a precision processing device that uniformly coats liquid or slurry materials onto the surface of a substrate. It is widely used in new energy, electronics, packaging, and optics. Its core structure consists of an unwinding system, a coating unit, a drying and curing unit, and a rewinding mechanism. Through precision pumps and valves or slit extrusion technology, the coating is controlled at the micron level to form a uniform functional layer on the substrate surface. The equipment adopts a closed-loop tension control and automatic deviation correction system to ensure stable substrate delivery at high speed. Combined with infrared / hot air drying process, the coating is cured quickly. Its technical advantages lie in its ability to flexibly adapt to different substrates and process requirements. Through digital formula management, it can achieve real-time control of multiple parameters, significantly improving coating consistency. It is an indispensable key equipment in high-end manufacturing fields such as lithium battery electrode manufacturing, photovoltaic backsheet processing, and flexible display production.

[0003] During the unwinding process of the coating machine, as the amount of base fabric raw material used increases, the roll diameter gradually decreases, causing changes in tension. Therefore, a coating machine unwinding tension control device is needed to meet people's needs. Utility Model Content

[0004] The purpose of this invention is to provide a coating machine unwinding tension control device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a coating machine unwinding tension control device, comprising a coating machine body; the coating machine body is provided with an unwinding shaft, a tension sensor, an adjusting shaft and a traction shaft, the base fabric raw material is installed on the unwinding shaft and passes through the tension sensor, the adjusting shaft and the traction shaft in sequence, and the adjusting shaft is provided with a control component;

[0006] Preferably, the control component includes a mounting plate and an adjusting motor, which are respectively mounted on the bottom of the coating machine body. A sliding member is slidably mounted on the mounting plate, and a movable shaft plate is mounted on the sliding member. An adjusting gear plate is rotatably mounted on one side of the mounting plate.

[0007] Preferably, a limiting groove is provided on the mounting plate, and the sliding member is slidably installed in the limiting groove.

[0008] Preferably, the adjusting gear plate has a push rod track, and the sliding member is equipped with a push rod, which is slidably installed in the push rod track.

[0009] Preferably, the push rod track is arc-shaped, and multiple push rod tracks are evenly distributed on the adjusting gear plate.

[0010] Preferably, a PLC module is installed at the bottom of the coating machine body, and the PLC module is electrically connected to the regulating motor.

[0011] Preferably, the unwinding shaft is controlled by a servo motor, the traction shaft is controlled by a servo motor, and the tension sensor and PLC module are electrically connected.

[0012] Preferably, the adjusting motor is equipped with a motor gear plate, and the adjusting gear plate and the motor gear plate mesh with each other.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] This invention, by setting an adjusting shaft, allows a tension sensor to monitor tension changes as the base fabric material on the unwinding shaft gradually decreases and the tension decreases. The PLC module controls the adjusting motor to drive the adjusting gear plate to rotate. Furthermore, the sliding parts drive the movable shaft plate to expand outward, increasing the shaft radius of the adjusting shaft. As the shaft radius increases, the tension increases, thus achieving the effect of adjusting the tension and offsetting the tension changes caused by the gradual decrease in the diameter of the base fabric material. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the coating machine unwinding tension control device proposed in this utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the adjusting shaft and other components of the coating machine unwinding tension control device proposed in this utility model.

[0017] Figure 3 This is a structural diagram of the mounting plate and adjusting gear plate of the coating machine unwinding tension control device proposed in this utility model.

[0018] Figure 4 This is a cross-sectional schematic diagram of the adjusting shaft of the coating machine unwinding tension control device proposed in this utility model.

[0019] In the diagram: 1. Coating machine body; 2. Unwinding shaft; 3. Tension sensor; 4. Adjusting shaft; 5. Traction shaft; 6. Control assembly; 7. PLC module; 61. Mounting plate; 62. Adjusting motor; 63. Sliding component; 64. Movable shaft plate; 65. Adjusting gear plate; 66. Motor gear plate; 67. Limiting groove; 68. Push rod track; 69. Push rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example: Please refer to Figures 1-4 This utility model provides a technical solution: a coating machine unwinding tension control device, including a coating machine body 1; in order to adjust the tension according to the change in the diameter of the roll material during the unwinding process and keep the tension balanced, the coating machine body 1 is provided with an unwinding shaft 2, a tension sensor 3, an adjusting shaft 4 and a traction shaft 5. The base fabric material is installed on the unwinding shaft 2 and passes through the tension sensor 3, the adjusting shaft 4 and the traction shaft 5 in sequence. The adjusting shaft 4 is provided with a control component 6, which can change the diameter of the adjusting shaft 4. By changing the diameter of the adjusting shaft 4, the tension is kept balanced.

[0022] To adjust the diameter of the adjusting shaft 4, the control assembly 6 includes a mounting plate 61 and an adjusting motor 62. The mounting plate 61 and the adjusting motor 62 are respectively installed at the bottom of the coating machine body 1. A sliding member 63 is slidably mounted on the mounting plate 61, and a movable shaft plate 64 is mounted on the sliding member 63. An adjusting gear plate 65 is rotatably mounted on one side of the mounting plate 61, and a motor gear plate 66 is mounted on the adjusting motor 62. The adjusting gear plate 65 and the motor gear plate 66 mesh with each other. A limit groove 67 is provided on the mounting plate 61, and the sliding member 63 is slidably mounted in the limit groove 67. A push rod rail 68 is provided on the adjusting gear plate 65, and a push rod rail 68 is mounted on the sliding member 63. There is a push rod 69, which is slidably installed in the push rod track 68. The push rod track 68 is arc-shaped, and multiple push rod tracks 68 are evenly distributed on the adjusting gear plate 65. The adjusting motor 62 drives the motor gear plate 66 to rotate. Under the meshing action of the adjusting gear plate 65 and the motor gear plate 66, the adjusting gear plate 65 rotates on the mounting plate 61. The push rod 69 is pushed by the push rod track 68 on the adjusting gear plate 65. At the same time, under the limiting action of the upper limit groove 67 on the mounting plate 61, the sliding member 63 slides along the direction of the limiting groove 67. The sliding member 63 drives the movable shaft plate 64 to expand outward, increasing the shaft radius of the adjusting shaft 4.

[0023] To adjust the diameter of the adjusting shaft 4 according to tension changes, a PLC module 7, or programmable logic controller, is installed at the bottom of the coating machine body 1. This module uses a programmable memory to store programs and execute user-oriented instructions such as logical operations, sequential control, timing, counting, and arithmetic operations. It controls various types of machinery or production processes through digital or analog input / output. Essentially, it is a computer specifically designed for industrial control, with a hardware structure largely similar to a microcomputer. It is generally used for data processing and instruction reception and output, enabling central control. The PLC module 7 is electrically connected to the adjusting motor 62. The unwinding shaft 2 and the traction shaft 5 are controlled by a servo motor. The tension sensor 3 and the PLC module 7 are also connected. During operation of the coating machine, the base fabric material on the unwinding shaft 2 gradually decreases, the diameter becomes smaller, and the tension decreases. The tension sensor 3 monitors the tension changes. When the tension decreases, the PLC module 7 controls the regulating motor 62, which drives the motor gear 66 to rotate. Under the meshing action of the regulating gear 65 and the motor gear 66, the regulating gear 65 rotates on the mounting plate 61. The push rod 69 is pushed by the push rod rail 68 on the regulating gear 65. At the same time, under the limiting action of the upper limit groove 67 on the mounting plate 61, the sliding member 63 slides along the direction of the limiting groove 67. The sliding member 63 drives the movable shaft plate 64 to expand outward, increasing the shaft radius of the regulating shaft 4. The increased shaft radius increases the tension, thus achieving the effect of tension adjustment.

[0024] The working principle is as follows: During the operation of the coating machine, the base fabric material on the unwinding shaft 2 gradually decreases, the diameter becomes smaller, and the tension decreases. The tension sensor 3 monitors the tension change. When the tension decreases, the PLC module 7 controls the regulating motor 62, which drives the motor gear 66 to rotate. Under the meshing action of the regulating gear 65 and the motor gear 66, the regulating gear 65 rotates on the mounting plate 61. The push rod 69 is pushed by the push rod rail 68 on the regulating gear 65. At the same time, under the limiting action of the upper limit groove 67 on the mounting plate 61, the sliding member 63 slides along the direction of the limiting groove 67. The sliding member 63 drives the movable shaft plate 64 to expand outward, increasing the shaft radius of the regulating shaft 4. As the shaft radius increases, the tension increases, thus achieving the effect of tension adjustment.

[0025] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A coating machine unwinding tension control device, comprising the coating machine body (1); characterized in that: The coating machine body (1) is provided with an unwinding shaft (2), a tension sensor (3), an adjusting shaft (4) and a traction shaft (5). The base fabric raw material is installed on the unwinding shaft (2) and passes through the tension sensor (3), the adjusting shaft (4) and the traction shaft (5) in sequence. The adjusting shaft (4) is provided with a control component (6). The control component (6) includes a mounting plate (61) and an adjustment motor (62). The mounting plate (61) and the adjustment motor (62) are respectively mounted on the bottom of the coating machine body (1). A sliding member (63) is slidably mounted on the mounting plate (61), and a movable shaft plate (64) is mounted on the sliding member (63). An adjustment gear plate (65) is rotatably mounted on one side of the mounting plate (61).

2. The coating machine unwinding tension control device according to claim 1, characterized in that: A limiting groove (67) is provided on the mounting plate (61), and the sliding member (63) is slidably installed in the limiting groove (67).

3. The coating machine unwinding tension control device according to claim 1, characterized in that: The adjusting gear plate (65) is provided with a push rod track (68), and the sliding member (63) is equipped with a push rod (69), which is slidably installed in the push rod track (68).

4. The coating machine unwinding tension control device according to claim 3, characterized in that: The push rod track (68) is arc-shaped, and multiple push rod tracks (68) are evenly distributed on the adjusting gear plate (65).

5. The coating machine unwinding tension control device according to claim 1, characterized in that: The coating machine body (1) is equipped with a PLC module (7) at the bottom, and the PLC module (7) is electrically connected to the regulating motor (62).

6. The coating machine unwinding tension control device according to claim 5, characterized in that: The unwinding shaft (2) is controlled by a servo motor, the traction shaft (5) is controlled by a servo motor, and the tension sensor (3) and the PLC module (7) are electrically connected.

7. The coating machine unwinding tension control device according to claim 1, characterized in that: The regulating motor (62) is equipped with a motor gear disk (66), and the regulating gear disk (65) and the motor gear disk (66) mesh with each other.

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