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Thrust brake and rotary table using same

A technology of rotating table and brake, applied in the direction of brake type, axial brake, gear shifting mechanism, etc., can solve the problems of elastic fatigue, inconvenient maintenance and adjustment, wear and tear, and achieve the effect of improving safety.

Pending Publication Date: 2022-05-13
HIWIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the aforementioned patent documents, the entire device also lacks a modular design, and the relevant parts need to be assembled separately, so it is quite inconvenient to maintain and adjust. In addition, the large brake disc and the small brake disc utilize the elastic recovery of multiple elastic components. However, these elastic components may experience elastic fatigue after a period of use, resulting in no real separation between the large brake disc and the small brake disc, and some parts still remain in contact, which may cause wear The problem

Method used

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  • Thrust brake and rotary table using same
  • Thrust brake and rotary table using same
  • Thrust brake and rotary table using same

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Embodiment Construction

[0036] The applicant hereby explains that throughout the specification, including the following embodiments and claims, terms related to direction are based on the directions in the drawings. Secondly, in the embodiments to be described below and in the drawings, the same component numbers represent the same or similar components or their structural features.

[0037] Please see first figure 1 and figure 2 , The thrust brake 10 of the first embodiment of the present invention includes an annular housing 20 , a brake disc 50 , a brake piston 60 , a release brake piston 64 , and a plurality of brake parts 66 .

[0038] The annular shell 20 has a first shell 30 and a second shell 40 , and the first shell 30 and the second shell 40 are locked together by a plurality of screws 22 . The first housing 30 has a first shaft hole 32 that runs through the inner and outer sides, such as figure 2 and image 3 As shown, the inner surface of the first housing 30 (that is, a side facing...

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Abstract

The thrust brake provided by the invention comprises an annular shell, and a brake disc, a brake piston, a plurality of brake pieces and a brake release piston are arranged in the annular shell. When only the brake piston is under the action of fluid, axial thrust is applied to the brake disc, so that the brake disc is kept at a brake position under the combined action of the brake piston and the brake parts, and when only the brake release piston is under the action of fluid, reverse thrust is applied to the brake disc, so that the brake disc is kept at a brake release position. Once the brake piston loses efficacy under the action of fluid, the brake disc can still generate the braking effect through the acting force of the brake pieces so as to improve the safety of the operation process, and in addition, the thrust type brake is designed in a modular mode, so that the convenience of assembly and disassembly can be improved. In addition, the invention further provides a rotary working table using the thrust type brake.

Description

technical field [0001] The invention relates to a brake device, in particular to a thrust brake and a rotary table using it. Background technique [0002] In order to prevent the rotating shaft from rotating after processing, a set of brakes are usually configured in the structure to apply braking force to the stationary rotating shaft, so that the rotating shaft remains stable in a static state. However, traditional brakes cannot provide braking force to the rotating shaft under special conditions (such as power failure without warning or pipeline rupture), which will not only easily cause damage to the machine tool, but may even endanger the safety of surrounding personnel. [0003] The normally closed hydraulic brake device disclosed in CN 210024594 U uses the elastic force of multiple springs to force the piston to press down when the brake device is in a state of holding and locks the main shaft, thereby preventing the main shaft from rotating. As for releasing the bra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D55/24F16D121/04
CPCF16D55/24F16D2121/04F16D2055/0033
Inventor 卓文恒张耀仁张宇荣李俊霖黄立文
Owner HIWIN TECH