A servo-driven buffer mechanism

Abstract

A servo-driven traction buffer mechanism includes: a dual servo drive module, an intelligent buffer module, and a closed-loop control component. The dual servo drive module is connected to the intelligent buffer module, and the closed-loop control component is also connected to the intelligent buffer module. The intelligent buffer module includes: a thin-film buffer platform, a buffer membrane mechanism, a tension sensor, an adjusting cylinder, and a proportional valve. Compared with traditional technologies, this invention, by adding an intelligent buffer module, uses real-time feedback from the tension sensor and a proportional valve to adjust the cylinder pressure, quickly absorbing speed differences, reducing thin-film stretching deformation, ensuring the stability of thin-film transport, and controlling tension fluctuations within ±2N.

Description

Technical Field

[0001] This utility model relates to the field of flexible material conveying technology, specifically to a servo traction buffer mechanism. Background Technology

[0002] A film traction mechanism, also known as a film conveying mechanism or film drive mechanism, is a mechanical device used to transport, drive, and control film materials (such as plastic film, metal foil, paper, etc.). It is widely used in various industrial fields, such as packaging, printing, textiles, electronics, and medical.

[0003] The traditional buffer mechanism in the current production line has the following defects: 1. The tension control accuracy of mechanical buffer devices is low (±5% or more), which affects the material forming quality; 2. The response speed of pneumatic or hydraulic buffer mechanisms is slow (>200ms), making it difficult to produce at high speed; 3. Existing servo buffer equipment has a complex structure and high maintenance cost.

[0004] To address the aforementioned issues, we have made a series of improvements. Utility Model Content

[0005] The purpose of this invention is to provide a servo traction buffer mechanism to overcome the aforementioned shortcomings and deficiencies of the prior art.

[0006] A servo-driven buffer mechanism includes: a dual servo drive module, an intelligent buffer module, and a closed-loop control component, wherein the dual servo drive module is connected to the intelligent buffer module, and the closed-loop control component is connected to the intelligent buffer module.

[0007] The intelligent buffer module includes: a thin film buffer platform, a buffer film mechanism, a tension sensor, an adjusting cylinder, and a proportional valve. The buffer film mechanism is connected to the upper middle part of the thin film buffer platform. The tension sensor is connected to the upper part of the thin film buffer platform and is located on the right side of the buffer film mechanism. The adjusting cylinder is connected to the buffer film mechanism, and the proportional valve is located on the left side of the buffer film mechanism. The adjusting cylinder and the proportional valve are connected through an air pipe.

[0008] Furthermore, the dual servo drive module includes: a main servo motor, a slave servo motor, a traction infeed roller, and a traction outfeed roller. The main servo motor is connected to the traction infeed roller, the slave servo motor is connected to the traction outfeed roller, the traction infeed roller is connected to the upper left side of the film buffer platform, and the traction outfeed roller is connected to the upper right side of the film buffer platform.

[0009] Furthermore, the closed-loop control component includes an absolute encoder and an on / off switch. The absolute encoder is connected to the lower front end of the thin-film buffer platform, and the on / off switch is connected to the upper end of the thin-film buffer platform.

[0010] The beneficial effects of this utility model are:

[0011] Compared with traditional technologies, this invention adds an intelligent buffer module, which adjusts the cylinder pressure with a proportional valve based on real-time feedback from the tension sensor, quickly absorbs speed differences, reduces film stretching deformation, ensures the stability of film delivery, and controls tension fluctuations within ±2N. Attached image description:

[0012] Figure 1 This is a side view of the present invention.

[0013] Figure 2 This is a top view of the present invention.

[0014] Figure 3 This is a schematic diagram of the structure of this utility model.

[0015] Figure label:

[0016] Dual servo drive module 100, main servo motor 110, slave servo motor 120, traction infeed roller 130 and traction outfeed roller 140.

[0017] The system includes an intelligent buffer module 200, a thin film buffer platform 210, a buffer membrane mechanism 220, a tension sensor 230, an adjusting cylinder 240, and a proportional valve 250.

[0018] Closed-loop control component 300, absolute encoder 310 and on / off switch 320. Detailed Implementation

[0019] The present invention will be further described below with reference to specific embodiments. It should be understood that the following embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0020] Example 1

[0021] Figure 1 This is a side view of the present invention. Figure 2 This is a top view of the present invention. Figure 3 This is a schematic diagram of the structure of this utility model.

[0022] like Figure 1-3 As shown, a servo traction buffer mechanism includes: a dual servo drive module 100, an intelligent buffer module 200, and a closed-loop control component 300. The dual servo drive module 100 is connected to the intelligent buffer module 200, and the closed-loop control component 300 is connected to the intelligent buffer module 200.

[0023] The intelligent buffer module 200 includes: a thin film buffer platform 210, a buffer film mechanism 220, a tension sensor 230, an adjusting cylinder 240, and a proportional valve 250. The buffer film mechanism 220 is connected to the upper middle part of the thin film buffer platform 210. The tension sensor 230 is connected to the upper part of the thin film buffer platform 210 and is located on the right side of the buffer film mechanism 220. The adjusting cylinder 240 is connected to the buffer film mechanism 220, and the proportional valve 250 is located on the left side of the buffer film mechanism 220. The adjusting cylinder 240 and the proportional valve 250 are connected through an air pipe.

[0024] The dual servo drive module 100 includes: a main servo motor 110, a slave servo motor 120, a traction film infeed roller 130, and a traction film outfeed roller 140. The main servo motor 110 is connected to the traction film infeed roller 130, the slave servo motor 120 is connected to the traction film outfeed roller 140, the traction film infeed roller 130 is connected to the upper left side of the film buffer platform 210, and the traction film outfeed roller 140 is connected to the upper right side of the film buffer platform 210.

[0025] The closed-loop control component 300 includes an absolute encoder 310 and an on / off switch 320. The absolute encoder 310 is connected to the lower front end of the thin film buffer platform 210, and the on / off switch 320 is connected to the upper end of the thin film buffer platform 210.

[0026] The principle of this invention is as follows: The main servo motor 110 sets a reference speed, the slave servo motor 120 dynamically adjusts its speed, and the PLC calculates the speed difference in real time. When the speed difference is ≥0.3m / s, buffer compensation is triggered. The tension sensor 230 sends a signal to the PLC, which then adjusts the pressure via the proportional valve 250 and regulating cylinder 240. The thin film buffer platform 210 and buffer film mechanism 220 adjust their positions to maintain a constant tension of ±2N. When the absolute encoder 310 detects an abnormal speed or the on / off switch 320 is triggered, the system immediately stops.

[0027] Compared with traditional technologies, this invention adds an intelligent buffer module, which adjusts the cylinder pressure with a proportional valve based on real-time feedback from the tension sensor, quickly absorbs speed differences, reduces film stretching deformation, ensures the stability of film delivery, and controls tension fluctuations within ±2N.

[0028] The specific embodiments of this utility model have been described above, but this utility model is not limited thereto. Various changes can be made to this utility model as long as they do not depart from its spirit.

Claims

1. A servo traction buffer mechanism, characterized by, include: The system includes a dual servo drive module (100), an intelligent cache module (200), and a closed-loop control component (300), wherein the dual servo drive module (100) is connected to the intelligent cache module (200), and the closed-loop control component (300) is connected to the intelligent cache module (200). The intelligent buffer module (200) includes: a thin film buffer platform (210), a buffer film mechanism (220), a tension sensor (230), an adjusting cylinder (240), and a proportional valve (250). The buffer film mechanism (220) is connected to the upper middle part of the thin film buffer platform (210), the tension sensor (230) is connected to the upper part of the thin film buffer platform (210), the tension sensor (230) is located on the right side of the buffer film mechanism (220), the adjusting cylinder (240) is connected to the buffer film mechanism (220), and the proportional valve (250) is located on the left side of the buffer film mechanism (220). The adjusting cylinder (240) and the proportional valve (250) are connected by an air pipe.

2. A servo traction damping mechanism according to claim 1, characterized in that: The dual servo drive module (100) includes: a main servo motor (110), a slave servo motor (120), a traction infeed roller (130), and a traction outfeed roller (140). The main servo motor (110) is connected to the traction infeed roller (130), the slave servo motor (120) is connected to the traction outfeed roller (140), the traction infeed roller (130) is connected to the upper left side of the film buffer platform (210), and the traction outfeed roller (140) is connected to the upper right side of the film buffer platform (210).

3. A servo traction damping mechanism according to claim 1, wherein: The closed-loop control component (300) includes an absolute encoder (310) and an on / off switch (320). The absolute encoder (310) is connected to the lower front end of the thin film buffer platform (210), and the on / off switch (320) is connected to the upper end of the thin film buffer platform (210).

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