A machining jig for a disc brake control lever

By designing a machining fixture for the disc brake control rod, and utilizing power equipment and various positioning devices, the control rod was effectively clamped and positioned, solving the problem that existing technologies cannot complete the machining of all four sides in one clamping operation, thus improving machining efficiency and accuracy.

CN115741163BActive Publication Date: 2026-01-02KUNSHAN CHAITAI XINCHENG PRECISION FORGING CO LTD
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Patent Information

Application Number
CN202211523007.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-30
Publication Date
2026-01-02
Estimated Expiration
2042-11-30

AI Technical Summary

Technical Problem

Existing technology cannot effectively guarantee the form and position tolerance requirements of disc brake control rods, and conventional split-face machining cannot complete the machining of all four faces in one clamping.

Method used

A machining fixture for a disc brake control lever was designed, comprising a power unit, a rotating chassis, a clamping frame, a receiving device, and a positioning device. The combination of these components enables effective clamping and positioning of the control lever. Positioning is achieved using feature points such as the top bolt, round shank bolt, and round shank pressure rod, while the power unit provides movement support.

Benefits of technology

This technology enables the one-time clamping and machining of all four sides of the disc brake control lever, ensuring dimensional and positional tolerance requirements and improving machining efficiency and precision.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a machining jig for a disc brake control rod and relates to the field of machining and manufacturing of automobile parts. The machining jig comprises a power device which is arranged below the jig and is provided with an oil inlet, a rotating disc and an oil outlet bin; a rotating chassis which is arranged above the rotating disc, is fixedly connected with the rotating disc and is connected with the other side of the rotating disc; a clamp frame which is fixedly arranged above the chassis and is arranged on the other side of the chassis connected with the rotating chassis; a receiving device which is arranged on the clamp frame, is arranged on the side close to the chassis and is spaced apart from the chassis; a positioning device which is arranged on the clamp frame, is arranged on the side away from the chassis and is spaced apart from the receiving device; and a control rod which is arranged between the receiving device and the positioning device. The machining jig can realize machining of the four peripheral surfaces of a part in one clamping, effectively guarantees the shape and position tolerance of the part, saves relevant cost and improves machining efficiency.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of processing and manufacturing of automobile parts, in particular to a processing jig for disc brake control lever. BACKGROUND

[0002] The disc brake control lever is part of automobile parts, and its main function is to push the long handle to rotate the semicircle around the eccentric shaft by other push rods. The deviation of the semicircle and the eccentric shaft is the control distance of the brake disc. Therefore, the shape of the product mainly needs two groups of semicircular cylinders and a long rod for connecting the two semicircular cylinders. As a whole, it is a special-shaped part. Conventional processing one face at a time cannot guarantee the shape and position tolerance requirements. Four-axis machining with a machining center can complete the processing of four faces at a time. Once clamped, a special jig needs to be designed in combination with the structure of the special-shaped part.

[0003] Therefore, it is necessary to provide a processing jig for disc brake control lever to solve the above problems. SUMMARY

[0004] To achieve the above purpose, the present application provides the following technical scheme: a processing jig for disc brake control lever, comprising:

[0005] A power device is located below the jig, and the power device is provided with an oil inlet, a rotating disc and an oil outlet;

[0006] A rotating chassis is installed above the rotating disc and fixedly connected with the rotating disc, and the other side of the rotating chassis connected with the rotating disc is connected with a chassis;

[0007] A clamp frame is fixedly installed above the chassis and located on the other side of the chassis connected with the rotating chassis;

[0008] A receiving device is installed on the clamp frame and located on the side close to the chassis, and there is a gap between the receiving device and the chassis;

[0009] A positioning device is installed on the clamp frame and located on the side away from the chassis, and there is a gap between the positioning device and the receiving device;

[0010] A control lever is installed and placed between the receiving device and the positioning device.

[0011] Further, as a preferred, the control lever comprises:

[0012] Two groups of semicircular blocks are symmetrically arranged along the centerline axis at one end of the control lever, and the semicircular blocks are located on the side away from the clamp frame;

[0013] Long handle, arranged below the semicircular block, between the receiving device and the positioning device;

[0014] Cylindrical block, fixed at the other end of the long handle connected with the semicircular block, near the side of the clamp frame;

[0015] Connecting column, arranged at the connection between the long handle and the semicircular block;

[0016] Rod block surface, arranged at the side of the semicircular block and the connecting column.

[0017] Further, as preferred, the clamp frame comprises:

[0018] Clamp plate, fixedly installed on the bottom plate;

[0019] Reinforcing rib, arranged on the other side of the installation of the receiving device and the positioning device;

[0020] Clamp hole, arranged on the clamp plate, the position of the clamp hole corresponds to the installation position of the control rod.

[0021] Further, as preferred, the receiving device comprises:

[0022] Lower block, one end fixedly installed on the clamp plate;

[0023] Top head bolt, installed at one end of the receiving device, at one end of the semicircular block;

[0024] Round handle bolt, installed at the position of the receiving device corresponding to the cylindrical block.

[0025] Further, as preferred, the positioning device comprises:

[0026] Upper block, one end connected with the clamp plate;

[0027] Round handle pressing rod, installed on the upper block, at the cylindrical block;

[0028] Side head block, two groups of symmetrically fixedly connected at one end of the positioning device away from the round handle pressing rod;

[0029] Side rod block, between the side head block and the long handle, axially symmetrically connected to the upper block near the control rod;

[0030] Positioning head, installed at the other end of the upper block connected with the clamp plate;

[0031] Head bolt, two groups of symmetrically arranged on the positioning head.

[0032] Compared with the prior art, the disc brake control rod machining jig has the following beneficial effects:

[0033] In the embodiment of the present application, the control rod is clamped and positioned by the receiving device and the positioning device, the power equipment provides relevant devices that can move, and the relevant positions of the top head bolt, the round handle bolt, the round handle pressure rod, the side head block, the side rod block and the head bolt correspond to the relevant features of the control rod. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a structural schematic diagram of a disc brake control rod machining jig;

[0035] Figure 2 It is a partial side view schematic diagram of a disc brake control rod machining jig;

[0036] Figure 3 It is Figure 2 It is a front view schematic diagram of the control rod and the positioning head;

[0037] Figure 4 It is Figure 3 It is a structural schematic diagram of the receiving device;

[0038] Figure 5 It is a control rod schematic diagram of a disc brake control rod machining jig;

[0039] Figure 6 It is a schematic diagram of a disc brake control rod machining jig for positioning components;

[0040] In the figure: 1, power equipment; 11, oil inlet; 12, rotating disc; 13, oil outlet warehouse; 2, rotating base plate; 21, base plate; 3, clamp frame; 31, clamp plate; 32, reinforcing rib; 33, clamp hole; 4, receiving device; 41, mounting lower block; 42, top head bolt; 43, round handle bolt; 5, positioning device; 51, mounting upper block; 52, round handle pressure rod; 53, side head block; 54, side rod block; 55, positioning head; 56, head bolt; 6, control rod; 61, semicircular block; 62, long handle; 63, cylindrical block; 64, connecting column; 65, rod block surface. DETAILED DESCRIPTION

[0041] Please refer to Figures 1-6 In the embodiment of the present application, a disc brake control rod machining jig comprises:

[0042] Power equipment 1 is located below the jig, and the power equipment 1 is provided with an oil inlet 11, a rotating disc 12 and an oil outlet warehouse 13;

[0043] A rotating base 2 is installed above the rotating disc 12 and fixedly connected to the rotating disc 12, and the other side of the rotating base 2 connected to the rotating disc 12 is connected to a base plate 21;

[0044] A clamp frame 3 is fixedly installed above the base plate 21 and located on the other side of the base plate 21 connected to the rotating base 2;

[0045] A receiving device 4 is installed on the clamp frame 3 and located on the side close to the base plate 21, and there is a gap between the receiving device 4 and the base plate 21;

[0046] A positioning device 5 is installed on the clamp frame 3 and located on the side away from the base plate 21, and there is a gap between the positioning device 5 and the receiving device 4;

[0047] A control rod 6 is installed between the receiving device 4 and the positioning device 5.

[0048] In this embodiment, the control rod 6 includes: Figure 5

[0049] Half-round blocks 61 are symmetrically arranged along the centerline axis at one end of the control rod 6, and the half-round blocks 61 are located on the side away from the clamp frame 3;

[0050] A long handle 62 is arranged below the half-round blocks 61 and in the gap between the receiving device 4 and the positioning device 5;

[0051] A cylindrical block 63 is fixed at the other end of the long handle 62 connected to the half-round blocks 61 and located on the side close to the clamp frame 3;

[0052] A connecting column 64 is arranged at the connection between the long handle 62 and the half-round blocks 61;

[0053] A rod block surface 65 is arranged on the side surface of the half-round blocks 61 and the connecting column 64.

[0054] In this embodiment, the clamp frame 3 includes: Figure 4

[0055] A clamp plate 31 is fixedly installed on the base plate 21;

[0056] A plurality of reinforcing ribs 32 are arranged on the other side of the clamp plate 31 where the receiving device 4 and the positioning device 5 are installed;

[0057] Clamp holes 33 are arranged on the clamp plate 31, and the positions of the clamp holes 33 correspond to the installation positions of the control rod 6.

[0058] ​​As a preferred embodiment, the clamping hole 33 is used for the installation and removal of the control rod 6, so for the relevant size, the clamping hole 33 should be slightly larger than the control rod 6.

[0059] In this embodiment, the receiving device 4 comprises: Figure 3

[0060] The lower mounting block 41 is fixedly mounted on one end of the clamp plate 31.

[0061] The top head bolt 42 is installed on one end of the receiving device 4 and is located at one end of the semicircular block 61.

[0062] The round handle bolt 43 is installed on the receiving device 4 corresponding to the cylindrical block 63.

[0063] As a preferred embodiment, the top head bolt 42 is located corresponding to an arc region of the semicircular block 61, and the round handle bolt 43 is located corresponding to the cylindrical block 63 installed at the tail end of the long handle 62.

[0064] In this embodiment, the positioning device 5 comprises: Figure 6 The upper mounting block 51 is connected to one end of the clamp plate 31.

[0065] The round handle pressing rod 52 is installed on the upper mounting block 51 and is located at the cylindrical block 63.

[0066] The side head block 53 is fixedly connected to one end of the positioning device 5 away from the round handle pressing rod 52.

[0067] The side rod block 54 is located between the side head block 53 and the long handle 62 and is axially symmetrically connected to one side of the upper mounting block 51 close to the control rod 6.

[0068] The positioning end cap 55 is installed on the other end of the upper mounting block 51 connected to the clamp plate 31.

[0069] The end cap bolt 56 is symmetrically arranged on the positioning end cap 55.

[0070] As a preferred embodiment, the round handle pressing rod 52 corresponds to the cylindrical block 63 at the tail end of the long handle 62, the side head block 53 is located corresponding to two groups of planes in the semicircular block 61 except the rod block face 65, and the end cap bolt 56 corresponds to the two groups of rod block faces 65 of the semicircular block 61, respectively.

[0071]

[0072] ​​Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A machining fixture for a disc brake control lever, characterized in that: include: A power unit, located below the fixture, is equipped with an oil inlet, a rotary table, and an oil outlet. A rotating chassis is mounted above the rotary table and fixedly connected to it, with a base connected to the other side of the rotating chassis. A clamping frame is fixedly mounted above the base and located on the other side of the base connected to the rotating chassis. A receiving device is mounted on the clamping frame and located on the side closer to the base, with a gap between the receiving device and the base. A positioning device is mounted on the clamping frame and located on the side away from the base, with a gap between the positioning device and the receiving device. A control lever is installed between the receiving device and the positioning device; The control lever includes: two sets of semicircular blocks symmetrically arranged along the centerline axis at one end of the control lever, with the semicircular blocks located on the side away from the fixture frame; a long handle disposed below the semicircular blocks, at the interval between the receiving device and the positioning device; a cylindrical block fixed at the other end of the long handle connected to the semicircular blocks, located on the side close to the fixture frame; a connecting post disposed at the connection between the long handle and the semicircular blocks; and a lever block surface disposed on one side of the semicircular blocks and the connecting post. The fixture frame includes: a fixture plate, which is fixedly mounted on the chassis; and clamping holes arranged on the fixture plate, the positions of which correspond to the installation positions of the control rod. The receiving device includes: a mounting block, one end of which is fixedly mounted on the clamp plate; a top bolt, mounted on one end of the receiving device, located at one end of the semicircular block; and a round shank bolt, mounted on the receiving device at the position corresponding to the cylindrical block. The positioning device includes: a mounting block, one end of which is connected to the clamping plate; a round handle pressure rod, mounted on the mounting block at the position of the cylindrical block; two sets of side head blocks, symmetrically fixedly connected to the end of the positioning device away from the round handle pressure rod; a side rod block, located between the side head block and the long handle, axially symmetrically connected to the side of the mounting block near the control rod; a positioning end cap, mounted on the other end of the mounting block connected to the clamping plate; and two sets of end cap bolts symmetrically arranged on the positioning end cap.

Citation Information

Patent Citations

  • Tool for machining large and small holes of automobile engine connecting rod

    CN108927670A

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    CN209006598U

  • Machining clamp of air compressor part screw machine

    CN214923672U

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    CN219189339U