A trimming tool with vacuum suction function

By designing a cutting fixture with vacuum adsorption function, the flash of rubber pistons can be stably cut using vacuum adsorption holes and airflow channels, solving the problems of flash splashing and entanglement, improving production stability and safety, and reducing costs.

CN121893439BActive Publication Date: 2026-06-19BRUSS SEALING SYST (TAICANG) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BRUSS SEALING SYST (TAICANG) CO LTD
Filing Date
2026-03-24
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

When the existing trimming fixture is used to cut the umbrella-shaped flash on the inner ring of a rubber piston, the flash is prone to detach from the cutting path and splash, causing the cutter to become entangled and damaged, affecting production stability and safety, and frequent cutter replacements increase costs.

Method used

Design a cutting fixture with vacuum adsorption function. The fixture limits the flash and avoids splashing and tangling by using vacuum adsorption holes and airflow channels. The combination of vacuum adsorption holes and airflow channels stabilizes the cutting process. The fixture is further enhanced by a baffle plate and outer ring adsorption holes.

Benefits of technology

It effectively avoids splattering and tangling of cutting edges, reduces cutter damage and downtime for cleaning, improves production efficiency and safety, and reduces tool replacement and maintenance costs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN121893439B_ABST
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Abstract

This invention relates to the field of edge trimming equipment technology and discloses an edge trimming fixture with vacuum adsorption function. This fixture, used to remove burrs from rubber parts, includes a machine platform, an outer part of the fixture body disposed on top of the machine platform, an inner part of the fixture body disposed on top of the outer part, and a ventilation assembly. The ventilation assembly specifically includes a vacuum channel formed on one side of the inner part of the fixture body and the machine platform, and vacuum adsorption holes arranged in a ring array on the top of the inner wall of the vacuum channel. This edge trimming fixture with vacuum adsorption function, through the ventilation assembly, uses an air pump to create a vacuum negative pressure environment within the airflow channel and the vacuum channel. The burrs on the rubber part are adsorbed by the vacuum adsorption holes. A drive wheel rotates the rubber part, the inner part of the fixture body, and the outer part of the fixture body together. The cutting blade then intervenes to complete the cutting, ensuring the stability of the burrs and preventing splashing or entanglement with the cutting blade.
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