Turning device for brake surface of automobile brake disc

Abstract

The utility model relates to the technical field of automobile part machining, in particular to an automobile brake disc brake surface turning machining device which comprises a tool frame, a guide frame is installed in the middle of one side of the outer surface of the tool frame, a tool base capable of moving in a reciprocating mode is installed in the guide frame, and a tool is installed in the middle of the outer side of the tool base. Ejecting rods are installed on the two sides of the outer side and are collinear with the cutter. The tool rest has the advantages that the tool and the two ejector rods are mounted on the tool rest and are collinear, the tool is located between the two ejector rods, the clamping plates capable of moving towards or away from the tool rest are mounted on two sides of the other side of the outer surface of the tool rest, the rolling balls are rotatably mounted on the clamping plates, and the two clamping plates are located on two sides of the tool. The tool rest is combined with the jacking rod to cover the periphery of a tool, the jacking rod and the rolling ball are in contact with the brake disc, movement of the brake disc is supported, shaking of the brake disc is avoided, and tool vibration lines can be effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts processing, in particular to a turning processing device for the brake surface of an automobile brake disc. Background Art

[0002] The brake disc is an important component of the automobile braking system. Its processing quality directly affects the braking performance of the automobile and is closely related to the personal safety of the driver and passengers. Therefore, the machining accuracy of the brake disc brake surface is required to be high during the machining process. At present, the machining of the brake surface of the automobile brake disc mainly adopts turning. During the turning process, the center of the brake disc is directly mounted on the rotating shaft. The turning position of the workpiece lacks fixation or support, which makes it very easy for the tool and the workpiece to resonate and form vibration marks. The existence of vibration marks will directly affect the various shape and position tolerances and surface roughness of the braking surface, thereby causing failure modes such as automobile brake jitter and abnormal brake noise. Although the measures of reducing the spindle speed and the tool feed rate are adopted to avoid the generation of vibration marks, the production efficiency is greatly reduced. Based on this, the present application proposes a turning processing device for the brake surface of an automobile brake disc, which can solve the above problems. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a turning processing device for the brake surface of a vehicle brake disc.

[0004] The purpose of the utility model is achieved through the following technical solutions: a turning processing device for the brake surface of an automobile brake disc, comprising a tool holder, a guide holder is installed at the middle position of one side of the outer surface of the tool holder, a reciprocating tool seat is installed inside the guide holder, a tool is installed at the middle position of the outer side of the tool seat, and top rods are installed on both sides of the outer side, which are collinear with the tool, sliding grooves are provided on both sides of the tool holder away from the outer surface of the guide holder, and reciprocating clamps are installed inside the tool holder, the two clamps are respectively located on both sides of the guide holder, the outer surfaces of the two clamps are provided with a plurality of uniformly arrayed ball grooves, and rolling balls are rotatably installed inside the two clamps, a pressure sensor is installed outside the tool holder, which is located between the two clamps, a reciprocating limit plate is installed between the two clamps, a hydraulic cylinder is installed outside the limit plate, one end of which is overlapped with the pressure sensor.

[0005] Optionally, a guide hole is opened in the middle of the outside of the tool holder, and a guide rod is installed on one side of the outer surface of the limit plate, which is slidably matched with the guide hole, and a spring is sleeved on the outside of the guide rod.

[0006] Optionally, a threaded rod driven to rotate by a motor is installed inside the guide frame, and the tool seat is threadably matched with the threaded rod.

[0007] Optionally, a placement groove is opened in the middle of the outer side of the tool seat, and mounting holes are opened on both sides of the outer side. A bolt is threadedly installed on one side of the outer side of the placement groove. The tool is installed in the placement groove and fits with the bolt, and the two top rods are threadedly installed in the two mounting holes.

[0008] Optionally, a lead screw is rotatably installed inside the two sliding grooves, the two clamps are respectively threadedly matched with the two lead screws, a hand wheel is installed at the outer end of the two lead screws, an identification groove is opened on one side of the outer surface of the two clamps, and a plurality of scale grooves are opened on both sides of the outer surface of the tool holder close to the sliding groove.

[0009] The utility model has the following advantages:

[0010] The automobile brake disc brake surface turning processing device uses a tool holder as the device body, a guide frame is installed in the middle position of one side of the outer surface of the tool holder, and a tool seat is installed inside the guide frame. A tool and two top rods are installed on the tool seat, and the two are collinear, and the tool is located between the two top rods. Clamps that can move toward or away from the tool seat are installed on both sides of the other side of the outer surface of the tool holder, and multiple balls are rotatably installed on the clamps. The two clamps are located on both sides of the tool, and they are combined with the top rods to cover the four sides of the tool. The top rods and the balls are in contact with the brake disc to support the movement of the brake disc, avoid its shaking, and reduce the generation of vibration marks. The top rod and the balls do not affect the rotation of the brake disc. In order to reduce wear, the top rod and the balls are made of high wear-resistant materials.

[0011] Among them, a pressure sensor is installed on the tool holder, and a reciprocating limit plate is installed between the two clamps, which overlaps the outer surface of the brake disc and can limit the brake disc to prevent it from jumping. A guide rod is installed on the limit plate, which runs through the tool holder, and the two are slidably matched. A hydraulic cylinder is installed on the rear side of the limit plate, and its rear end can overlap with the pressure sensor. The length of the hydraulic cylinder can be adjusted, and the pressure sensor is pressed down through it to monitor the pressure change to determine the size of the brake disc jump, which is convenient for monitoring the processing process and achieving high-precision processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model from a first perspective;

[0013] Figure 2 It is a second perspective schematic diagram of the overall structure of the utility model;

[0014] Figure 3 For the utility model Figure 1 A schematic cross-sectional structure diagram of ;

[0015] Figure 4This is a schematic diagram of the overall structure of the tool holder in the utility model;

[0016] Figure 5 It is a schematic diagram of the overall structure of the splint in the utility model;

[0017] Figure 6 This is a schematic diagram of the overall structure of the limiting plate in the utility model;

[0018] Figure 7 It is a schematic diagram of the overall structure of the tool holder in the utility model.

[0019] In the figure: 1-tool holder, 2-clamping plate, 3-tool seat, 4-top rod, 5-pressure sensor, 6-limiting plate, 7-motor, 8-handwheel, 9-hydraulic cylinder, 10-screw, 11-tool, 12-ball, 13-spring, 14-guide frame, 15-sliding groove, 16-guide hole, 17-scale groove, 18-marking groove, 19-ball groove, 20-guide rod, 21-placing groove, 22-mounting hole, 23-bolt. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0021] like Figures 1 to 7 As shown, a turning processing device for the brake surface of an automobile brake disc comprises a tool holder 1, a guide frame 14 is installed at the middle position of one side of the outer surface of the tool holder 1, a reciprocating tool seat 3 is installed inside the guide frame 14, a tool 11 is installed at the middle position of the outer side of the tool seat 3, and top rods 4 are installed on both sides of the outer side, which are colinear with the tool 11, sliding grooves 15 are provided on both sides of the tool holder 1 away from the outer surface of the guide frame 14, and reciprocating clamping plates 2 are installed inside the tool holder 1, and the two clamping plates 2 are respectively located on both sides of the guide frame 14, and the outer surfaces of the two clamping plates 2 are provided with a plurality of uniformly arrayed ball grooves 19, and rolling balls 12 are rotatably installed inside the two clamping plates, and a pressure sensor 5 is installed outside the tool holder 1, which is located between the two clamping plates 2, and a reciprocating limit plate 6 is installed between the two clamping plates 2, and a hydraulic cylinder 9 is installed outside the limit plate 6, and one end of the hydraulic cylinder 9 is overlapped with the pressure sensor 5.

[0022] As an optional technical solution of the present invention, a guide hole 16 is opened in the middle position of the outside of the tool holder 1, and a guide rod 20 is installed on one side of the outer surface of the limit plate 6, which slides with the guide hole 16, and a spring 13 is sleeved on the outside of the guide rod 20. In order to prevent the limit plate 6 from rotating, the guide hole 16 and the guide rod 20 can be processed into a polygon to play a limiting role, so that the limit plate 6 is always in contact with the outer arc surface of the brake disc under the action of the spring 13.

[0023] As an optional technical solution of the present invention, a threaded rod driven to rotate by a motor 7 is installed inside the guide frame 14, and the tool seat 3 is threadedly matched with the threaded rod. The size of the tool seat 3 needs to be adapted to the size inside the guide frame 14 to play a limiting role so that the tool seat 3 can only move back and forth.

[0024] As an optional technical solution of the present invention, a placement groove 21 is opened in the middle position of the outer side of the tool seat 3, and mounting holes 22 are opened on both sides of the outer side. A bolt 23 is threadedly installed on one side outside the placement groove 21. The tool 11 is installed in the placement groove 21 and fits with the bolt 23. The two top rods 4 are threadedly installed in the two mounting holes 22, which makes it easy to install and disassemble the tool 11 and the top rod 4.

[0025] As an optional technical solution of the utility model, the two sliding grooves 15 are rotatably installed with screws 10 inside, the two clamps 2 are respectively threaded with the two screws 10, the outer ends of the two screws 10 are installed with hand wheels 8, one side of the outer surface of the two clamps 2 is provided with an identification groove 18, and the two sides of the outer surface of the tool holder 1 close to the sliding groove 15 are provided with a plurality of scale grooves 17. The positions of the identification grooves 18 and the scale grooves 17 can be used to ensure the uniform position of the two clamps 2 to avoid uneven pressure on both sides.

[0026] In summary, the features, assembly methods, use processes and functions realized by each component of the utility model are as follows: a tool holder 1 is used as the main body of the device, a guide frame 14 is installed at the middle position of one side of the outer surface of the tool holder 1, a tool seat 3 is installed inside the guide frame 14, a tool 11 and two top rods 4 are installed on the tool seat 3, the two are collinear, and the tool 11 is located between the two top rods 4, and clamps 2 that can move toward or away from the tool seat 3 are installed on both sides of the other side of the outer surface of the tool holder 1, and a plurality of rolling balls 12 are rotatably installed on the clamps 2, the two clamps 2 are located on both sides of the tool 11, and the combination of the clamps 2 and the top rods 4 covers the four sides of the tool 11, and the top rods 4 and the rolling balls 12 contact with the brake disc, so as to support the movement of the brake disc and prevent it from shaking. Reduce the generation of chatter marks, and the top rod 4 and the ball 12 do not affect the rotation of the brake disc. In order to reduce wear, the top rod 4 and the ball 12 are made of high wear-resistant materials. A pressure sensor 5 is installed on the tool holder 1, and a reciprocating limit plate 6 is installed between the two clamping plates 2, which overlaps the outer surface of the brake disc and can limit the brake disc to prevent it from jumping. A guide rod 20 is installed on the limit plate 6, which runs through the tool holder 1, and the two are slidably matched. A hydraulic cylinder 9 is installed on the rear side of the limit plate 6, and its rear end can overlap with the pressure sensor 5. The length of the hydraulic cylinder 9 is adjusted, and the pressure sensor 5 is pressed down through it to monitor the pressure change to determine the size of the brake disc jump, which is convenient for monitoring the processing process and achieving high-precision processing.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A turning processing device for the brake surface of an automobile brake disc, characterized in that: The invention comprises a tool holder (1), wherein a guide frame (14) is installed at a middle position on one side of the outer surface of the tool holder (1), a tool seat (3) capable of reciprocating movement is installed inside the guide frame (14), a tool (11) is installed at a middle position on the outer side of the tool seat (3), and top rods (4) are installed on both sides of the outer side, which are colinear with the tool (11), and sliding grooves (15) are opened on both sides of the outer surface of the tool holder (1) away from the guide frame (14), and a clamping plate (2) capable of reciprocating movement is installed inside the two sides. The two clamping plates (2) are respectively located on both sides of the guide frame (14); the outer surfaces of the two clamping plates (2) are provided with a plurality of evenly arrayed ball grooves (19); inside the two clamping plates (2) are rotatably mounted rolling balls (12); the outside of the tool holder (1) is provided with a pressure sensor (5) which is located between the two clamping plates (2); a reciprocating limit plate (6) is provided between the two clamping plates (2); the outside of the limit plate (6) is provided with a hydraulic cylinder (9), one end of which is overlapped with the pressure sensor (5).

2. The turning processing device for the brake surface of an automobile brake disc according to claim 1, characterized in that: A guide hole (16) is provided at the middle of the outside of the tool holder (1), and a guide rod (20) is installed on one side of the outer surface of the limit plate (6) and is slidably matched with the guide hole (16). A spring (13) is sleeved on the outside of the guide rod (20).

3. The turning processing device for the brake surface of an automobile brake disc according to claim 1, characterized in that: A threaded rod driven to rotate by a motor (7) is installed inside the guide frame (14), and the tool seat (3) is threadably matched with the threaded rod.

4. The turning processing device for the brake surface of an automobile brake disc according to claim 1, characterized in that: A placement groove (21) is provided in the middle of the outer side of the tool seat (3), and mounting holes (22) are provided on both sides of the outer side. A bolt (23) is threadedly installed on one side outside the placement groove (21). The tool (11) is installed in the placement groove (21) and fits with the bolt (23). The two top rods (4) are threadedly installed in the two mounting holes (22).

5. The turning processing device for the brake surface of an automobile brake disc according to claim 1, characterized in that: A lead screw (10) is rotatably mounted inside the two sliding grooves (15), the two clamping plates (2) are respectively threadedly matched with the two lead screws (10), a hand wheel (8) is mounted on the outer ends of the two lead screws (10), one side of the outer surface of the two clamping plates (2) is provided with a marking groove (18), and the tool holder (1) is provided with a plurality of scale grooves (17) on both sides of the outer surface close to the sliding groove (15).

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