Suction gripper, suction device and conveying device

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By designing the adsorption clamp and using the sealing part of the elastic body pushing shaft to control the gas flow of the suction hole, the problem of workpiece falling off after the fluid pump stops is solved, and a low-power and miniaturized adsorption device is realized.

CN122295192APending Publication Date: 2026-06-26TDK CORP

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner: TDK CORP
Filing Date: 2024-12-19
Publication Date: 2026-06-26

AI Technical Summary

Technical Problem

In existing technologies, the adsorption nozzle cannot maintain the adsorption state of the workpiece after the fluid pump stops, resulting in increased power consumption and noise problems.

Method used

The design employs an adsorption clamp, utilizing the sealing part of the elastic body pushing the shaft to seal the suction hole. By controlling the movement of the sealing part through external force, intermittent gas flow is achieved in the suction hole, maintaining the adsorption state of the workpiece.

Benefits of technology

Even without continuously running the fluid pump, the adsorption fixture can maintain the adsorption state of the workpiece, reducing power consumption and noise, and enabling the miniaturization and space-saving of the device.

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Abstract

The adsorption clamp (20) comprises: a housing (21) having: a main body (22) having an internal space (23), an adsorption hole (24) penetrating the main body (22) and communicating with the internal space (23), and a communication hole (25) penetrating the main body (22) and communicating with the internal space (23); a workpiece adsorption part (70) mounted on the main body (22) having a fluid flow path communicating with the communication hole (25); a shaft (40) disposed in the internal space (23); and an elastomer (50) disposed in the internal space (23) holding the shaft (40) so that it can move axially. The shaft (40) has a sealing part (90) that seals the adsorption hole (24).

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