Rectangular returning seal ring grinding and cutting device for automobile disc type brake tongs

• Main Authors: XIA DINGHU, MA XIAOPENG, CAI PEILIANG, GAO RUI, YUAN YUHU
• Format: Patent
• Language: Chinese; English
• Published: 29.04.2009
• Subjects: BLASTING; BRAKES; CLUTCHES; COUPLINGS FOR TRANSMITTING ROTATION; CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING; DRESSING OR CONDITIONING OF ABRADING SURFACES; ENGINEERING ELEMENTS AND UNITS; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GRINDING; HAND CUTTING TOOLS; HEATING; LIGHTING; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; POLISHING; SEVERING; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS

The utility model discloses a grinding cutting device of rectangular return seal rings for automobile disc brake calipers, which comprises a grinding device and a cutting device. The grinding device comprises a grinding mandrel, a grinding wheel, a blanking device, a chute and a pull rod. The cutting device comprises a cutting mandrel, a movable push plate and a cutter holder. The return seal ring is manufactured via molding with multiple pieces in multiple cavities, and the product is vulcanized into a rubber-tubular semi-finished product. Further, the grinding device is used for external grinding of the rubber-tubular semi-finished product, and the cutting device is used for cutting into single-piece products from the ground rubber tubes. The utility model resolves the problems of low production efficiency and low dimensional precision of the existing rectangular return seal rings, improves the service life of the rectangular return seal rings, and increases the sealing property of the rectangular return se