TWI703000B - Friction welding brake disc - Google Patents

Abstract

A friction welding brake disc of the present invention includes an inner disc with a connecting portion located on the periphery and two processing surfaces adjacent to both sides of the connecting portion; and an outer ring disc with a mounting portion and two braking surfaces. The part is located inside the outer ring disc, the two braking surfaces are located on opposite sides of the outer ring disc and adjacent to the mounting part, the connecting part of the inner disc is located inside the mounting part, and the two processing surfaces and the two braking surfaces form the inner and outer Relatively arranged, wherein the opposite processing surface and the braking surface on the same side of the connecting part and the mounting part are formed by friction stir heat fusion to form a continuous friction welding part.

Description

Friction welding brake disc

The present invention relates to the technical field of brake discs, in particular to a brake disc structure formed by combining an inner disc and an outer ring disc by friction welding.

The brake disc for two-wheeled vehicles is fixed on the wheel frame and can rotate synchronously with the wheel frame, and the brake disc uses the disc brake caliper to make the disc clamp and generate friction, so that the brake disc slows down and forces the wheel frame Decelerate, and even stop the rotation of the brake disc to stop the wheel frame and achieve the brake function.

Conventional brake discs are mostly single-piece discs, which are made of stamped metal sheets. The outer ring is clamped by calipers for braking action, and the center part is connected to the wheel frame for simultaneous movement.

In addition, related companies have introduced another two-piece floating brake disc, which includes an inner disc connected to the hub and an outer disc held by the calipers. The outer disc and the inner disc A plurality of opposite concave-convex structures form a limit setting, and are combined and fixed with a plurality of positioning elements; however, the disadvantage is that the operation of combining and fixing a plurality of positioning elements is very cumbersome and time-consuming.

The main purpose of the present invention is to provide another combination of the combination between an inner disc and an outer ring disc.

In order to achieve the above-mentioned objects and effects, the friction welding brake disc of the present invention includes an inner disc with a connecting portion located on the periphery and two processing surfaces adjacent to both sides of the connecting portion.

And an outer ring disc has a mounting portion and two braking surfaces, the mounting portion is located inside the outer ring disc, the two braking surfaces are located on opposite sides of the outer ring disc and adjacent to the mounting portion, and the connecting portion of the inner disc is located at the mounting portion On the inner side of the part, one of the processing surfaces and the braking surface are arranged in an inner and outer relative arrangement on the same plane, and the processing surface and the braking surface are located in the contact position of the same plane to form a continuous friction welding portion by friction stir heat fusion.

A further technical feature of the present invention is that the connecting portion is arranged on the outer peripheral side of the inner disc, the mounting portion is arranged around the inner side of the outer ring disc, and the continuous friction welding portion forms a ring along the contact position of the processing surface and the braking surface on the same plane.状结构。 Like structure.

A further technical feature of the present invention is that the inner disc and the outer ring disc are made of the same material, and the continuous friction welded portion is fixed by melting the materials of the processing surface and the braking surface.

A further technical feature of the present invention is that the inner disc and the outer ring disc are made of different materials, and the continuous friction welding part is fused and fixed to the brake surface by the processing surface material.

The second friction welding brake disc of the present invention includes an inner disc with a connecting portion located on the periphery and two processing surfaces adjacent to both sides of the connecting portion.

And an outer ring disc has a mounting portion and two braking surfaces, the mounting portion is located inside the outer ring disc, the two braking surfaces are located on opposite sides of the outer ring disc and adjacent to the mounting portion, and the connecting portion of the inner disc is located at the mounting portion The inner side of the part and abut against each other, so that one of the processing surface and the braking surface are arranged in the same plane as the inner and outer sides, and the processing surface and the braking surface are located in the contact position of the same plane to form a plurality of discontinuous friction welding by friction stir fusion unit.

A further technical feature of the present invention is that the connecting part is arranged around the outermost edge in the radial direction on the outer peripheral side of the inner disc, and the mounting part is arranged around the innermost edge in the radial direction on the inner side of the outer disc.

A further technical feature of the present invention is that the plurality of discontinuous friction welded parts are arranged along the contact positions of the processing surface and the braking surface on the same plane, and form an arc structure aligned toward the center of the inner disc.

A further technical feature of the present invention is that the connecting portion further has a plurality of circumscribed ribs connecting the discontinuous friction welded portions, and the processing surface extends in the direction of the plurality of circumscribed ribs to each discontinuous friction welded portion, and the mounting portion further has a connecting portion The plurality of inscribed ribs of the discontinuous friction welded part, and the brake surface extends along the direction of the plurality of inscribed ribs to each discontinuous friction welded part, each of the outer ribs has an outer surface, and each of the inner ribs has an inner surface located outside the outer surface On the connecting surface, each external rib is convexly provided with an abutting piece located on the opposite side of each discontinuous friction welding part. The abutting piece extends in the direction of the internal connecting rib and is connected with the external surface to form an abutting groove for providing the plurality The abutment of the inscribed rib on the opposite side of the discontinuous friction welded part is to strengthen the firmness.

A further technical feature of the present invention is that the inner disc and the outer ring disc are made of the same material, and the plurality of discontinuous friction welded parts are fused together and fixed by the materials of the processing surface and the brake surface.

A further technical feature of the present invention is that the inner disc and the outer ring disc are made of different materials, and the plurality of discontinuous friction welding parts are fused and fixed to the brake surface by the processing surface material.

(10): inner disc

(11): Connection part

(12): Processing surface

(14): External rib

(141): External surface

(142): Docking piece

(20): Outer ring disc

(21): Installation Department

(22): Braking surface

(24): Inner rib

(241): Inscribed surface

(30): Friction stir bar

(A): Continuous friction welding part

(B): Discontinuous friction welding part

(C): Lean against the groove

The first figure is an exploded perspective view of the present invention.

The second figure is a three-dimensional schematic diagram of the inner disc of the present invention located inside the outer ring disc.

The third figure is a cross-section of the line section III-III in the second figure, and the dashed line shows a schematic diagram of a friction stir bar welding.

The fourth figure is a three-dimensional schematic diagram of the brake disc completed by friction welding of the present invention.

The fifth figure is a perspective view of the second embodiment of the present invention.

The sixth figure is a three-dimensional exploded view of the structure of the third embodiment of the present invention.

The seventh figure is a three-dimensional assembly diagram of the structure of the third embodiment of the present invention.

The eighth figure is a three-dimensional schematic diagram of the structure welding completed in the third embodiment of the present invention.

In order to achieve the above-mentioned objectives and effects, as well as the technical means and structures adopted by the present invention, the features and effects of the embodiments of the present invention are described in detail with the figures.

Please refer to Figures 1 to 4, a friction welding brake disc of the present invention, including an inner disc (10) with a connecting portion (11) located on the periphery, and two processing adjacent to both sides of the connecting portion (11) Face (12).

And an outer ring disc (20) has a mounting portion (21) and two braking surfaces (22), the mounting portion (21) is located inside the outer ring disc (20), and the two braking surfaces (22) are located on the outer ring disc (20) On opposite sides and adjacent to the mounting portion (21), the connecting portion (11) of the inner disc (10) is located inside the mounting portion (21) and abuts each other, so that one of the processing surfaces (12), The braking surface (22) is arranged on the same plane as the inner and outer sides, and the processing surface (12) and the braking surface (22) are located in the contact position of the same plane to form a continuous friction welding part (A) by friction stir heat fusion, and The continuous friction welding part (A) is located on one side of the inner disc (10) and the outer ring disc (20).

The foregoing is the main technical feature of the main embodiment of the present invention, which corresponds to the content of the first item of the patent application in this case, so that the purpose and implementation mode of the present invention can be known in detail. The technical features described in the scope of interest are detailed or additional technical features of the first item in the scope of the patent application, rather than limiting the scope of the first item in the scope of the patent application. It must include the technical features described in the patent scope of the remaining subsidiary applications.

The features of the components of the present invention are further described below. In the first to fourth figures above, the connecting portion (11) is ringed on the outer peripheral side of the inner disc (10), and the mounting portion (21) is ringed on the outer side. Inside the ring disc (20), the continuous friction welding part (A) forms a ring structure along the contact position of the processing surface (12) and the braking surface (22) on the same plane. Secondly, the inner disc (10) and the outer ring disc (20) are made of the same material, and the continuous friction welding part (A) is fused together and fixed by the material of the processing surface (12) and the braking surface (22). Furthermore, the inner disc (10) and the outer ring disc (20) are made of different materials, and the continuous friction welding part (A) is fused and fixed to the brake surface (22) by the material of the processing surface (12).

As shown in the second and third figures, the present invention uses a friction stir rod (30) to pressurize the inner disc (10), the outer ring disc (20) on the same side of the opposite processing surface (12), brake surface ( 22), and through the rotation of the friction stir rod (30), the processing surface (12) and the braking surface (22) are located in the same plane contact position to stir friction and heat melting, so that the processing surface (12) and the braking surface The materials of (22) are melted and fixed to each other to form a continuous friction welding part (A), as shown in the fourth figure.

As shown in the fifth figure, the difference between the second embodiment of the present invention and the first embodiment is only: and the processing surface (12) and the braking surface (22) are located in the same plane in contact with each other and are formed by friction stir and heat melting. A plurality of discontinuous friction welding parts (B), and the plurality of discontinuous friction welding parts (B) are located on the same side of the inner disc (10) and the outer ring disc (20).

Wherein, the connecting portion (11) is ringed on the outermost edge in the radial direction of the outer peripheral side of the inner disc (10), and the mounting portion (21) is ringed on the innermost edge of the outer ring disc (20) in the radial direction. In addition, when the inner disc (10) and the outer ring disc (20) are made of the same material, and the plurality of discontinuous friction welding parts (B) are formed by the processing surface (12) The material of the brake surface (22) is melted and fixed to each other. Moreover, when the inner disc (10) and the outer ring disc (20) are made of different materials, and the plurality of discontinuous friction welding portions (B) are fused and fixed to the brake surface (22) by the material of the processing surface (12). Secondly, the plurality of discontinuous friction welded parts (B) are arranged along the contact positions of the processing surface (12) and the braking surface (22) in the same plane, and form an arc structure arranged toward the center of the inner disc (10).

Finally, as shown in Figures 6 to 8, the structure of the third embodiment of the present invention is that the connecting portion (11) further has a plurality of external ribs (14) connecting the discontinuous friction welding portions (B), and the processing The surface (12) extends in the direction of the plurality of outer ribs (14) to each discontinuous friction welding part (B), and the mounting part (21) further has a plurality of inner connecting ribs (24) connecting the discontinuous friction welding parts (B) , And the braking surface (22) extends along the direction of the plurality of internal connection ribs (24) to each discontinuous friction welding part (B), each external rib (14) has an external surface (141), and each internal connection rib (24) It has an inner joint surface (241) located outside the outer surface (141), and each outer rib (14) is convexly provided with an abutment piece (142) located on the opposite side of each discontinuous friction welding part (B). The piece (142) extends in the direction of the inscribed rib (24) and is connected with the outer surface (141) to form an abutting groove (C) to provide each inscribed rib (24) opposite to the discontinuous friction welded portion (B) The side rests to reinforce the firmness.

As mentioned above, the combination between an inner disc (10) and an outer ring disc (20) provides another type of combination, and achieves the following advantages:

1. Through the combination of inner disc (10) and outer disc (20) of different materials, the lightweight structure can be achieved through the selection of different specific gravity materials.

2. The combination of inner disc (10) and outer disc (20) of different materials can achieve better heat dissipation effect through the selection of materials with different thermal conductivity.

The above descriptions are only used to explain the preferred embodiments of the present invention, and are not intended to limit the present invention in any form. Therefore, all the present invention is made under the same creative spirit. Any modification or alteration of any other type that can be implemented and has the same effect should still be included in the scope of the present invention.

In summary, the practicability and cost-effectiveness of the present invention "friction welding brake disc" is indeed fully in line with the needs of industrial development, and the disclosed structure creation also has an unprecedented innovative structure, so it has "Novelty" should be considered, and the present invention can be more effective than the conventional structure, so it is also "progressive". It fully complies with the requirements of the patent law of my country regarding the requirements for invention patent applications. Patent applications are filed in accordance with the law. , And ask Jun Bureau to review it as soon as possible and give it affirmation.

(10)‧‧‧Inner Disc

(12)‧‧‧Processed surface

(20)‧‧‧Outer Ring Disc

(22)‧‧‧Brake surface

(A)‧‧‧Continuous friction welding part

Claims (2)

A friction welding brake disc includes: an inner disc has a connecting part located on the periphery, and two processing surfaces adjacent to both sides of the connecting part; the connecting part is ringed on the outermost edge in the radial direction of the outer periphery of the inner disc ; And an outer ring disc has a mounting portion and two braking surfaces, the mounting portion is ringed at the innermost radially inner edge of the outer ring disc, the two braking surfaces are located on opposite sides of the outer ring disc and adjacent to the mounting portion, The connecting part of the inner disc is located inside the mounting part and abuts against each other, so that one of the processing surfaces and the braking surface are arranged in the same plane as the inner and outer sides, and the processing surface and the braking surface are located in the same plane contact position for stirring The friction heat fusion forms a continuous friction welding part; the inner disc and the outer ring disc are made of different materials, and the continuous friction welding part is fused and fixed to the brake surface by the processing surface material. According to the friction welding brake disc described in claim 1, the continuous friction welding portion forms a ring structure along the contact position of the processing surface and the braking surface on the same plane.

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