Automatic feeding device for FPC materials

By combining a multi-axis linkage robotic arm and vision system with a multi-stage vacuum nozzle array structure, the automatic FPC material feeding device solves the problems of low efficiency and low accuracy of traditional manual feeding, and realizes efficient and accurate automated feeding of FPC materials, reducing costs and improving consistency.

CN121553683APending Publication Date: 2026-02-24WUHU CHANGXIN NEW DISPLAY DEVICE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511918827.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-18
Publication Date
2026-02-24

AI Technical Summary

Technical Problem

Traditional FPC material loading relies on manual operation, which suffers from low efficiency, low precision, high cost, and poor consistency, making it difficult to meet the needs of miniaturization and high precision in electronic products.

Method used

An automatic FPC material feeding device, employing a multi-axis linkage robotic arm, vision system, and multi-stage vacuum nozzle array structure, combined with a temperature-controlled quartz stage, enables automated and precise gripping and placement of FPC materials, and coordinates the pressing process through an intelligent control unit.

Benefits of technology

It has achieved a 4-fold increase in the speed of automated FPC material feeding, improved positioning accuracy to ±0.1mm, reduced the rejection rate to below 0.5%, and reduced long-term operating costs by 40%.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121553683A_ABST
    Figure CN121553683A_ABST
Patent Text Reader

Abstract

The invention discloses an automatic FPC (Flexible Printed Circuit) material feeding device which comprises a glass carrying table and a pressure head unit for pressing FPC materials, and further comprises a manipulator, the manipulator and the pressure head unit are arranged in an associated manner, the manipulator is provided with a mechanical arm capable of stretching out, the mechanical arm is provided with a group of suction nozzles capable of adsorbing and grabbing the FPC materials, and the group of suction nozzles are positioned above the glass carrying table. The FPC material automatic feeding device is reasonable in structural design, the pressing head structure and the mechanical arm are arranged in an associated mode, automatic feeding of FPC materials can be achieved, the automatic feeding speed is improved by four times compared with manual feeding, the positioning precision is improved to + / -0.1 mm from + / -0.5 mm, and the material throwing rate is reduced to 0.5% or below from 5%; the human input is reduced by 70%, and the long-term operation cost is reduced by 40%.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of display technology, and in particular to an automatic material feeding device for FPCs. Background Technology

[0002] Flexible Printed Circuit (FPC) is a highly reliable and flexible printed circuit board technology widely used in display drivers, semiconductor packaging, and other fields. Traditional FPC loading relies on manual operation, requiring precise placement of FPC materials on a stage and subsequent pressing. With the increasing demands for miniaturization and high precision in electronic products, manual loading has revealed problems such as low efficiency, poor consistency, and high cost, necessitating automation technology to achieve efficient and high-precision FPC material loading.

[0003] like Figure 2 The image shows an existing manual material feeding device for FPCs, which has the following main drawbacks: 1. High dependence on manual labor: Operators need to manually pick up and place FPC materials, which can easily lead to material displacement or damage due to fatigue or operational errors; 2. Low efficiency: Manual speed is limited and it is difficult to match the needs of high-speed production lines; 3. Unstable yield: The manual positioning accuracy is insufficient (usually ±0.5mm), which can easily lead to poor pressing or incomplete soldering; 4. High cost: Labor costs and training expenses continue to rise. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides an automatic FPC material feeding device to improve pressing efficiency and consistency.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: The automatic FPC material feeding device includes a glass platform and a pressing head unit for pressing FPC materials, as well as a robotic arm. The robotic arm and the pressing head unit are associated with each other. The robotic arm has an extendable robotic arm and a set of suction nozzles that can adsorb and grasp FPC materials. The set of suction nozzles is located above the glass platform.

[0006] Further or preferred: The robotic arm is a multi-axis linkage robotic arm.

[0007] The robotic arm is equipped with a vision system for identifying the location of materials.

[0008] The set of suction nozzles is a multi-stage vacuum suction nozzle array structure.

[0009] The suction nozzle is an adjustable suction nozzle structure with adjustable suction force.

[0010] The suction force of the nozzle ranges from 0.1 to 1.0 kPa.

[0011] The glass stage is a temperature-controlled quartz stage located directly below the corresponding pressure head unit.

[0012] The bottom surface of the pressure head unit is provided with a set of adsorption holes, and the pressure head unit is provided with a vacuum adsorption channel.

[0013] A heating structure is provided corresponding to the quartz stage.

[0014] Compared with the prior art, the present invention has the following advantages: The FPC material automatic feeding device has a reasonable structural design, with the pressure head structure and the robotic arm set together to realize automatic feeding of FPC materials. The automatic feeding speed is 4 times faster than manual feeding, the positioning accuracy is improved from ±0.5mm to ±0.1mm, and the material rejection rate is reduced from 5% to below 0.5%. It reduces manpower input by 70% and reduces long-term operating costs by 40%. Attached Figure Description

[0015] The following is a brief explanation of the contents of each of the accompanying drawings and the markings in the drawings: Figure 1 This is a schematic diagram of the feeding device of the present invention.

[0016] Figure 2 This is a schematic diagram of the existing feeding device.

[0017] In the picture: 1. Robotic arm and pressure head control unit, 2. Robotic arm, 3. Vision system, 4. Nozzle I, 5. Nozzle II, 6. FPC board, 7. Pressure head, 8. Upper glass, 9. Lower glass, 10. Glass stage, 11. Quartz stage. Detailed Implementation

[0018] The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and through the description of the examples.

[0019] like Figure 1 As shown, the automatic FPC material feeding device includes a glass stage 10, a robotic arm, and a pressing head unit for pressing FPC materials. The robotic arm and the pressing head unit are associated, that is, the pressing head is integrated on the robotic arm to form a robotic arm and pressing head control unit 1. The robotic arm has an extendable robotic arm, and the robotic arm is equipped with a set of suction nozzles that can adsorb and grasp FPC materials. The set of suction nozzles is located above the glass stage.

[0020] The automatic FPC material feeding device of this invention has a reasonable structural design, with the pressure head structure and the robotic arm set together to realize automatic feeding of FPC materials. The automatic feeding speed is 4 times faster than manual feeding, the positioning accuracy is improved from ±0.5mm to ±0.1mm, and the material rejection rate is reduced from 5% to below 0.5%. It reduces manpower input by 70% and reduces long-term operating costs by 40%.

[0021] The robotic arm is a multi-axis linkage robotic arm; the robotic arm 2 is equipped with a vision system 3 for identifying the position of materials, and the positioning is accurate.

[0022] A set of suction nozzles is a multi-stage vacuum nozzle array structure; the nozzles are adjustable nozzle structures with adjustable suction force; the suction force range of the nozzles is 0.1-1.0 kPa; such as Figure 1 The suction nozzles I4 and II5 are arranged side by side in the middle.

[0023] The glass stage 10 is a quartz stage 11 with temperature control located directly below the corresponding pressure head unit. The quartz stage is equipped with a heating structure, which can heat the FPC material and make the pressing efficient.

[0024] Furthermore, a set of adsorption holes is provided on the bottom end face of the pressure head unit, and a vacuum adsorption channel is provided inside the pressure head unit; it works in conjunction with a set of suction nozzles to adsorb and position the FPC board, ensuring stable and reliable pressing.

[0025] The preferred embodiment of the present invention is as follows: robotic arm: Technical features: Multi-axis linkage robot arm, equipped with a vision system for adapting to material position, supporting ±0.05mm repeatability positioning accuracy.

[0026] Function: Grab FPC materials from the feeding area and accurately transport them to the glass carrier.

[0027] Vacuum adsorption system: Technical features: Multi-stage vacuum nozzle array, adaptable to FPC materials of different sizes, with adjustable adsorption force (0.1-1.0kPa).

[0028] Function: Stabilizes FPC adsorption, preventing material warping or displacement.

[0029] Intelligent control unit: Technical features: Integrated PLC and motion control algorithm, providing real-time feedback of pressure and position data.

[0030] Function: Coordinates the movement of the robotic arm, adsorption parameters, and pressing process.

[0031] Pressing module: Technical features: High-precision pressure head 7 (pressure range 10-100N, resolution ±1N), equipped with quartz table temperature control system (±1℃).

[0032] Function: To perform hot pressing or ultrasonic pressing of FPC board 6 with substrate.

[0033] Automatic feeding system: Technical features: Automatic tray changing mechanism, supporting continuous feeding.

[0034] Function: To provide uninterrupted material supply for robotic arms.

[0035] Connection relationships: The robotic arm picks up FPC material through a vacuum nozzle, and after visual positioning, places it on the lower glass 9 (substrate) on the glass stage. The lower glass has an upper glass 8 for misaligning the FPC material. The intelligent control unit synchronously adjusts the pressure of the pressure head and the temperature of the quartz stage to complete the pressing process; The feeding system works in conjunction with the robotic arm to achieve full-process automation.

[0036] Operating procedures: Feeding: The automatic feeding system delivers FPC materials to the picking position.

[0037] Grasping: The robotic arm's suction nozzle picks up the FPC, and the vision system corrects its position.

[0038] Positioning: The robotic arm precisely places the FPC in the designated area of ​​the glass stage.

[0039] Pressing: The press head completes the pressing according to preset parameters (pressure, temperature, time).

[0040] This invention relates to an automatic FPC material feeding device, which uses a robotic arm to accurately grasp and place FPC materials, replacing manual labor with automation; its high-speed and high-precision operation is suitable for large-scale production, improving efficiency and consistency; and its intelligent control unit ensures positioning accuracy (within ±0.1mm), reducing the defect rate.

[0041] The above description is merely an illustration of preferred embodiments of the present invention, and the above technical features can be arbitrarily combined to form multiple embodiments of the present invention.

[0042] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the concept and technical solution of the present invention, or the direct application of the concept and technical solution of the present invention to other occasions without modification, are all within the protection scope of the present invention.

Claims

1. An automatic FPC material feeding device, comprising a glass platform and a pressing head unit for pressing FPC materials, characterized in that: It also includes a robotic arm, which is associated with the pressure head unit. The robotic arm has an extendable robotic arm and a set of suction nozzles that can adsorb and grasp FPC materials. The set of suction nozzles is located above the glass stage.

2. The automatic FPC material feeding device as described in claim 1, characterized in that: The robotic arm is a multi-axis linkage robotic arm.

3. The automatic FPC material feeding device as described in claim 2, characterized in that: The robotic arm is equipped with a vision system for identifying the location of materials.

4. The automatic FPC material feeding device as described in claim 1, characterized in that: The set of suction nozzles is a multi-stage vacuum suction nozzle array structure.

5. The automatic FPC material feeding device as described in claim 4, characterized in that: The suction nozzle is an adjustable suction nozzle structure with adjustable suction force.

6. The automatic FPC material feeding device as described in claim 5, characterized in that: The suction force of the nozzle ranges from 0.1 to 1.0 kPa.

7. The automatic FPC material feeding device as described in claim 1, characterized in that: The glass stage is a temperature-controlled quartz stage located directly below the corresponding pressure head unit.

8. The automatic FPC material feeding device as described in claim 1, characterized in that: The bottom surface of the pressure head unit is provided with a set of adsorption holes, and the pressure head unit is provided with a vacuum adsorption channel.

9. The automatic FPC material feeding device as described in claim 7, characterized in that: A heating structure is provided corresponding to the quartz stage.