Clamp for machining outer circle of brake shoe

Abstract

The utility model relates to the technical field of brake shoes, in particular to a brake shoe outer circle machining clamp which comprises a base, a rotating mechanism is installed on the base, a bearing platform is installed on the rotating mechanism, a clamping mechanism is installed on the bearing platform, the rotating mechanism comprises a rotating rod, the rotating rod is connected to the base in a rotating mode, and the clamping mechanism is installed on the rotating rod. And the bearing platform is fixedly mounted at the top end of the rotating rod. By arranging the rotating mechanism, the purpose of driving the clamped outer circle of the brake shoe to rotate is achieved, the direction of the outer circle of the brake shoe can be adjusted conveniently, machining of the outer circle of the brake shoe is facilitated, and by arranging the clamping mechanism, the purpose of clamping and fixing the outer circles of the brake shoes of different sizes is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of brake shoes, in particular to a brake shoe outer circle machining fixture. Background Art

[0002] The brake shoe is usually composed of brake drum, return spring, positioning pin, friction plate and other parts. When the brake shoe is driven by a force at one end, it can swing outward around the fulcrum at the other end and press against the inner surface of the brake drum to generate friction torque. When the brake is applied, the drive mechanism expands the circular brake shoe, and the friction plate embedded on the surface rubs violently against the inner surface of the brake drum, forcing the rotating brake drum to gradually slow down until it stops rotating. When the brake is released, the brake shoe will return to its original state.

[0003] At present, a clamp is needed when machining the outer circle of a brake shoe, but the existing clamp for machining the outer circle of a brake shoe is inconvenient to clamp the outer circles of brake shoes of different sizes, and it is also inconvenient to adjust the position after clamping. Utility Model Content

[0004] The utility model aims to solve the above-mentioned shortcomings in the prior art and proposes a brake shoe outer circle machining fixture.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A brake shoe outer circle machining fixture is designed, comprising a base, a rotating mechanism is installed on the base, a support is installed on the rotating mechanism, a clamping mechanism is installed on the support, the rotating mechanism comprises a rotating rod, the rotating rod is rotatably connected to the base, and the support is fixedly installed on the top of the rotating rod.

[0007] Furthermore, a first motor is fixedly mounted on the base, and a gear is fixedly mounted on the rotating shaft end of the first motor.

[0008] Furthermore, a gear ring is fixedly mounted on the rotating rod, and the gear ring is meshed with the gear.

[0009] Furthermore, the clamping mechanism includes a clamping plate, which is fixedly mounted on the support platform and has an arc shape.

[0010] Furthermore, a second motor is fixedly mounted on the support platform, and a screw rod is fixedly mounted on the rotating shaft end of the second motor.

[0011] Furthermore, a slider is threadedly connected to the screw rod, and the slider is in the shape of a square block, and the slider slides on the support platform.

[0012] Furthermore, a push plate is fixedly mounted on one end of the sliding block.

[0013] The utility model proposes a brake shoe outer circle processing fixture, which has the beneficial effects that: the utility model is provided with a rotating mechanism, which can drive the outer circle of the clamped brake shoe to rotate, which is beneficial to adjusting the orientation of the outer circle of the brake shoe, thereby facilitating the processing of the outer circle of the brake shoe, and is provided with a clamping mechanism, which can clamp and fix the outer circles of brake shoes of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a top view of the overall structure of the utility model;

[0016] Figure 3 It is a side view of the overall structure of the utility model.

[0017] In the figure: 1, base; 21, first motor; 22, gear; 23, gear ring; 24, rotating rod; 31, push plate; 32, second motor; 33, clamping plate; 34, slider; 35, screw rod; 4, support platform. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-3 A brake shoe outer circle processing fixture comprises a base 1, characterized in that: a rotating mechanism is installed on the base 1, and the rotating mechanism is provided to drive the outer circle of the clamped brake shoe to rotate, which is beneficial to adjust the orientation of the outer circle of the brake shoe, thereby facilitating the processing of the outer circle of the brake shoe, and a base 4 is installed on the rotating mechanism, and the base 4 is in the shape of a circular plate. A clamping mechanism is installed on the base 4, and the clamping mechanism is provided to clamp and fix the outer circles of brake shoes of different sizes. The rotating mechanism comprises a rotating rod 24, and the rotating rod 24 is rotatably connected to the base 1, and the base 4 is fixedly installed on the top of the rotating rod 24. The rotating rod 24 is provided to facilitate the installation of the base 4.

[0020] In detail, a first motor 21 is fixedly mounted on the base 1, and the first motor 21 has forward and reverse rotation functions. A gear 22 is fixedly mounted on the rotating shaft end of the first motor 21, and a gear ring 23 is fixedly mounted on the rotating rod 24, and the gear ring 23 is meshed with the gear 22. When it is necessary to rotate the outer circle of the clamped brake shoe, the first motor 21 is started, and the first motor 21 drives the gear 22 to rotate, and the gear 22 is meshed with the gear ring 23, which will drive the rotating rod 24 to rotate, thereby achieving the purpose of rotating the outer circle of the brake shoe on the supporting platform 4, which is beneficial to the processing of the outer circle of the brake shoe.

[0021] In more detail, the clamping mechanism includes a clamping plate 33, which is fixedly mounted on the base 4 and has an arc shape. A second motor 32 is fixedly mounted on the base 4 and has a forward and reverse rotation function. A screw rod 35 is fixedly mounted on the rotating shaft end of the second motor 32 and a slider 34 is threadedly connected to the screw rod 35. The slider 34 is in the shape of a square block and slides on the base 4. A push plate 31 is fixedly mounted on one end of the slider 34 and has an arc shape. When the outer circle of the brake shoe needs to be clamped, the outer circle of the brake shoe is placed between the push plate 31 and the clamping plate 33, and then the second motor 32 is started. The second motor 32 drives the screw rod 35 to rotate, and the screw rod 35 drives the slider 34 to slide linearly along the surface of the base 4. When the slider 34 slides, it will drive the push plate 31 to approach the clamping plate 33 until the outer circle of the brake shoe is clamped and fixed.

[0022] Working method: When working, the outer circle of the brake shoe is placed between the push plate 31 and the clamping plate 33, and then the second motor 32 is started. The second motor 32 drives the screw rod 35 to rotate, and the screw rod 35 drives the slider 34 to slide linearly along the surface of the base 4. When the slider 34 slides, it will drive the push plate 31 to approach the clamping plate 33 until the outer circle of the brake shoe is clamped and fixed.

[0023] When the outer circle of the brake shoe needs to be adjusted in position, the first motor 21 is started, and the first motor 21 drives the gear 22 to rotate. The gear 22 is meshed with the gear ring 23, which will drive the rotating rod 24 to rotate, thereby achieving the purpose of rotating the outer circle of the brake shoe on the support platform 4, which is beneficial to the processing of the outer circle of the brake shoe.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A brake shoe outer circle machining fixture, comprising a base (1), characterized in that: A rotating mechanism is mounted on the base (1), a support platform (4) is mounted on the rotating mechanism, a clamping mechanism is mounted on the support platform (4), the rotating mechanism comprises a rotating rod (24), the rotating rod (24) is rotatably connected to the base (1), and the support platform (4) is fixedly mounted on the top end of the rotating rod (24).

2. A brake shoe outer circle machining fixture according to claim 1, characterized in that: A first motor (21) is fixedly mounted on the base (1), and a gear (22) is fixedly mounted on the rotating shaft end of the first motor (21).

3. A brake shoe outer circle machining fixture according to claim 2, characterized in that: A gear ring (23) is fixedly mounted on the rotating rod (24), and the gear ring (23) is meshed with the gear (22).

4. A brake shoe outer circle machining fixture according to claim 1, characterized in that: The clamping mechanism comprises a clamping plate (33), the clamping plate (33) is fixedly mounted on the support platform (4), and the shape of the clamping plate (33) is an arc.

5. A brake shoe outer circle machining fixture according to claim 4, characterized in that: A second motor (32) is fixedly mounted on the support platform (4), and a screw rod (35) is fixedly mounted on the rotating shaft end of the second motor (32).

6. A brake shoe outer circle machining fixture according to claim 5, characterized in that: The screw rod (35) is threadedly connected with a slider (34), the slider (34) is in the shape of a square block, and the slider (34) slides on the support platform (4).

7. A brake shoe outer circle machining fixture according to claim 6, characterized in that: A push plate (31) is fixedly mounted on one end of the sliding block (34).

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