Automatic deviation rectifying and drilling device for drum brake pad

By using a second motor drive and positioning detection in the automatic correction drilling device for drum brake pads, the problem of insufficient drilling accuracy of drum brake pads was solved, and high-precision drilling results were achieved.

CN223876118UActive Publication Date: 2026-02-06YANCHENG MINGRUI AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520354223.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-02-06
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

Existing technologies struggle to achieve precise deviation correction during the automatic drilling process of drum brake pads, resulting in poor drilling accuracy and quality.

Method used

An automatic correction drilling device with drum brake pads is adopted. The second motor drives the support plate to rotate, and the rotation position is detected by positioning components and touch sensors to ensure drilling accuracy. The device includes clamping and limiting components and positioning detection devices to prevent drilling from being interrupted when there is deviation.

Benefits of technology

It achieves precise positioning and stable clamping of drum brake pads, improves drilling accuracy and quality, and ensures the perpendicularity of the drilling equipment to the drilling position.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223876118U_ABST
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Abstract

The utility model discloses an automatic deviation rectifying and drilling device for a drum brake pad, and relates to the technical field of brake pad machining. The drum brake pad drilling device comprises a bottom plate, a supporting frame is arranged at the top end of the bottom plate, drilling equipment for drilling a drum brake pad body is arranged at the bottom of the supporting frame in a lifting mode, two fixing plates are arranged at the top end of the bottom plate, a supporting disc is rotationally arranged between the two fixing plates, and two limiting supporting plates are arranged on the arc-shaped surface of the supporting disc. A plurality of limiting holes distributed in a circumferential mode are formed in one side of the supporting disc. The second motor can drive the drum type brake pad body to rotate, so that the drum type brake pad body can be driven to rotate, after the drum type brake pad body is rotated to a proper position, the positioning component can detect the rotating position of the drum type brake pad body, when the rotating position deviates, the punching equipment cannot punch the drum type brake pad body, and the punching efficiency is improved. Therefore, the deviation of the second motor can be corrected in time, and the punching precision and quality are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to brake pad processing technical field, concretely relates to a drum brake pad automatic deviation drilling device. BACKGROUND

[0002] Drum brake pad is an important component in automobile brake system, which can tightly lock the wheels of the vehicle when the vehicle is parked, and realize the brake of the vehicle.

[0003] Since the drum brake pad is designed in arc shape, it needs to be rotated when being automatically drilled, but it is difficult to automatically detect the rotation accuracy of the drum brake pad when it is rotated by the motor driving mode, so it is difficult to correct the deviation in time, thereby affecting the subsequent drilling accuracy and further affecting the drilling quality of the workpiece.

[0004] Therefore, a drum brake pad automatic deviation drilling device is provided. UTILITY MODEL CONTENTS

[0005] To solve the problems in the prior art, the utility model provides a drum brake pad automatic deviation drilling device.

[0006] The utility model discloses in order to realize the above-mentioned purpose specifically adopts the following technical scheme:

[0007] A drum brake pad automatic deviation drilling device, comprising a bottom plate, the top of the bottom plate is provided with a support frame, the bottom of the support frame is provided with a drilling equipment for drilling the drum brake pad body, the top of the bottom plate is provided with two fixed plates, the two fixed plates are rotatably provided with a support disc, the arc surface of the support disc is provided with two limiting support plates, a plurality of limiting holes in circumferential arrangement are formed in one side of the support disc, the support disc is provided with a clamping and limiting member for clamping and limiting the drum brake pad body, one side of one of the fixed plates is provided with a second motor for driving the support disc to rotate, and the other fixed plate is provided with a positioning member for positioning and detecting the position of the support disc.

[0008] Further, a plurality of through holes corresponding to the positions to be drilled on the drum brake pad body are uniformly formed on the arc surface of the support disc, and the through holes are distributed between the limiting support plates.

[0009] Further, the clamping and limiting member is provided with at least two to ensure the stability of clamping the drum brake pad body, and the clamping and limiting member comprises a sliding rail, a first motor, a bidirectional screw rod and a clamping and limiting plate.

[0010] Further, the first motor is arranged on one side of the slide rail, the main shaft end of the first motor is connected with the bidirectional screw rod, the clamping limiting plates are provided in two, the two clamping limiting plates are threadedly sleeved on the bidirectional screw rod, and the two clamping limiting plates are arranged on the two sides of the drum brake pad body.

[0011] Further, the positioning member comprises an electric telescopic rod, a limiting plug rod and a touch sensor, and the inside of each limiting hole is provided with a touch block.

[0012] Further, the electric telescopic rod is arranged on the fixed plate, the limiting plug rod is connected with the telescopic end of the electric telescopic rod, the touch sensor is connected with the limiting plug rod, and the limiting plug rod is plug-connected with the limiting hole.

[0013] The utility model discloses the beneficial effect is as follows:

[0014] The second motor can drive the drum brake pad body to rotate, so that the drum brake pad body can be rotated to a proper position, and the positioning member can detect the rotating position of the drum brake pad body. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 is the utility model cutaway view;

[0017] Figure 3 is the support disc structure schematic diagram of the utility model;

[0018] Figure 4 is the utility model A part enlarged view;

[0019] Figure 5 is the utility model B part enlarged view.

[0020] Sign significance: 1, bottom plate;2, support frame;3, fixed plate;4, support disc;401, limiting hole;402, through -hole;403, limiting support plate;5, drum brake pad body;6, clamping limiting member;601, slide rail;602, first motor;603, bidirectional screw rod;604, clamping limiting plate;7, positioning member;701, electric telescopic rod;702, limiting plug rod;703, touch sensor;8, drilling equipment;9, second motor. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0023] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships in which the product of the present application is usually placed, which are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular direction, be constructed and operated in a particular direction, therefore, cannot be understood as a limitation on the present application.

[0025] As Figures 1-5As shown, a kind of automatic deviation correction drilling device of drum brake pad, including bottom plate 1, the top of bottom plate 1 is provided with support frame 2, the bottom of support frame 2 is provided with the drilling equipment 8 for the drilling processing of drum brake pad body 5, the top of bottom plate 1 is provided with two fixed plates 3, two fixed plates 3 are rotatably provided with support disc 4, the arc surface of support disc 4 is provided with two limit support plates 403, the side of support disc 4 is provided with multiple limit holes 401 in circumferential arrangement distribution, support disc 4 is provided with the clamping and limiting component 6 for clamping and limiting drum brake pad body 5, one side of one of fixed plate 3 is provided with the second motor 9 for driving support disc 4 to rotate, and the other fixed plate 3 is provided with the positioning component 7 for the position of support disc 4 Position detection;Specifically, the two limit support plates 403 can be set to preliminarily limit the two sides of the drum brake pad body 5, then the clamping and limiting component 6 can be set to center extrusion limit the drum brake pad body 5, finally realize the complete positioning thereof, so that the stability thereof can be guaranteed when subsequent punching processing is carried out, so that the precision of punching can be guaranteed, the output end of the second motor 9 is provided with an encoder, the setting of the encoder can reduce error and improve precision, so that the rotation precision of the drum brake pad body 5 can be guaranteed, so that the punching precision thereof can be improved, and the output precision of the second motor 9 is improved by the encoder, which is a common way, so that too much is not described here.

[0026] As Figure 3 shown, the arc surface of support disc 4 is uniformly provided with multiple through holes 402 corresponding to the positions to be punched on drum brake pad body 5, and the through holes 402 are distributed between the limit support plates 403.

[0027] As Figure 4 shown, the clamping and limiting component 6 is provided with at least two to ensure the stability of clamping the drum brake pad body 5, and the clamping and limiting component 6 includes a sliding rail 601, a first motor 602, a bidirectional screw rod 603 and a clamping and limiting plate 604.

[0028] As Figure 4 shown, the first motor 602 is arranged on one side of the sliding rail 601, the bidirectional screw rod 603 is connected with the main shaft end of the first motor 602, the clamping and limiting plate 604 is provided with two, and the two clamping and limiting plates 604 are threadedly connected on the bidirectional screw rod 603, and the two clamping and limiting plates 604 are distributed on the two sides of the drum brake pad body 5. Specifically, the first motor 602 can drive the bidirectional screw rod 603 to rotate, so as to drive the two clamping and limiting plates 604 to approach each other, so as to clamp the drum brake pad body 5 in the center, and ensure the consistency of clamping, so as to ensure the punching precision when subsequent punching is carried out.

[0029] As Figure 5 shown, the positioning member 7 includes an electric telescopic rod 701, a limiting plug rod 702 and a touch sensor 703, and each limiting hole 401 is internally provided with a touch block.

[0030] As Figure 1 and 5 shown, the electric telescopic rod 701 is arranged on the fixed plate 3, the limiting plug rod 702 is connected with the telescopic end of the electric telescopic rod 701, the touch sensor 703 is connected with the limiting plug rod 702, and the limiting plug rod 702 is plug-in matched with the limiting hole 401; specifically, after the drum brake pad body 5 is rotated by a certain angle, the electric telescopic rod 701 is elongated to push the limiting plug rod 702 to move forward, when the rotating angle meets the punching requirement, the limiting plug rod 702 will be inserted into the limiting hole 401 in the corresponding position, so as to touch the touch block in it, after the touch occurs, the touch sensor 703 will send a touch signal to the controller, and the controller will control the drilling equipment 8 to punch the drum brake pad body 5, so as to ensure the punching precision, and the positioning member 7 arranged can detect the rotating precision, when the rotating deviation occurs, the touch sensor 703 will not touch the touch block, so that the drilling equipment 8 will not punch it, avoiding the inaccurate punching position affecting the quality of the workpiece.

[0031] In summary: the drum brake pad body 5 is placed on the support disc 4, and the two ends thereof are in contact with the limiting support plate 403 respectively, and then the clamping limiting member 6 is used to limit the other two sides of the drum brake pad body 5, so as to realize the accurate positioning thereof, when the punching processing is carried out, the positioning member 7 arranged works, when the punching position requirement is met, the limiting plug rod 702 will be inserted into the limiting hole 401 in the corresponding position, so as to touch the touch block in it, after the touch occurs, the touch sensor 703 will send a touch signal to the controller, and the controller will control the drilling equipment 8 to punch the drum brake pad body 5, otherwise it will not be punched, when the punching processing is carried out, the second motor 9 can drive the support disc 4 to rotate, so that the drum brake pad body 5 can rotate around the center of the support disc 4, so that the drilling equipment 8 always keeps vertical to the punching position, ensuring the punching precision thereof.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A kind of drum brake pad automatic deviation correction drilling device, it is characterized in that, Including the bottom plate (1), the top end of the bottom plate (1) is provided with a support frame (2), the bottom of the support frame (2) is provided with a drilling equipment (8) for drilling processing of the drum brake pad body (5), the top end of the bottom plate (1) is provided with two fixed plates (3), the two fixed plates (3) are rotatably provided with a support disc (4), the arc surface of the support disc (4) is provided with two limiting support plates (403), a plurality of limiting holes (401) are arranged on one side of the support disc (4), the support disc (4) is provided with a clamping limiting member (6) for clamping and limiting the drum brake pad body (5), one side of one of the fixed plates (3) is provided with a second motor (9) for driving the support disc (4) to rotate, and the other fixed plate (3) is provided with a positioning member (7) for positioning and detecting the position of the support disc (4).

2. The automatic deviation correcting drilling device for drum brake pad according to claim 1, characterized in that, A plurality of through holes (402) corresponding to the positions to be punched on the drum brake pad body (5) are uniformly arranged on the arc surface of the support disc (4), and the through holes (402) are arranged between the limiting support plates (403).

3. The automatic deviation correcting drilling device for drum brake pad according to claim 1, characterized in that, The clamping limiting member (6) is provided with at least two clamping limiting members (6) to ensure the stability of clamping the drum brake pad body (5), and the clamping limiting member (6) comprises a sliding rail (601), a first motor (602), a bidirectional screw rod (603) and a clamping limiting plate (604).

4. The automatic deviation correcting drilling device for drum brake pad according to claim 3, characterized in that, The first motor (602) is arranged on one side of the sliding rail (601), the bidirectional screw rod (603) is connected with the main shaft end of the first motor (602), the clamping limiting plate (604) is provided with two clamping limiting plates (604), and the two clamping limiting plates (604) are threadedly connected on the bidirectional screw rod (603), and the two clamping limiting plates (604) are arranged on both sides of the drum brake pad body (5).

5. The automatic deviation correcting drilling device for drum brake pad according to claim 1, characterized in that, The positioning member (7) comprises an electric telescopic rod (701), a limiting plug rod (702) and a touch sensor (703), and one touch block is arranged in each limiting hole (401).

6. The automatic deviation correcting drilling device for drum brake pad according to claim 5, characterized in that, The electric telescopic rod (701) is arranged on the fixed plate (3), the limiting plug rod (702) is connected with the telescopic end of the electric telescopic rod (701), the touch sensor (703) is connected with the limiting plug rod (702), and the limiting plug rod (702) is connected with the limiting hole (401) in plug connection.