Positioning device for cutting drum brake pad of automobile

Abstract

The utility model relates to the field of positioning devices for cutting brake pads, in particular to a positioning device for cutting automobile drum brake pads, which comprises a fixing frame, a first motor is fixedly mounted on the outer surface of the fixing frame, the output end of the first motor is fixedly connected with a two-way screw rod, and the outer surface of the two-way screw rod is rotatably connected with the fixing frame. First motors are started to drive two-way screws to rotate, the two-way screws rotate to drive the two supporting frames to horizontally move oppositely or reversely along the fixing frame at the same time, and at the moment, a wrench is used for being connected with a connector to drive the corresponding first screws; and at the moment, a first screw rod starts to rotate and drives a corresponding connecting piece to vertically move along the first screw rod until a first pressing plate and a second pressing plate extrude the brake pad, and then the effect that the device can rapidly clamp the brake pads of different sizes through mutual cooperation of a supporting frame, the first pressing plate and the second pressing plate is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of positioning devices for brake pad cutting, in particular to a positioning device for cutting automotive drum brake pads. Background Technique

[0002] The brake pad is also called the brake lining. In the braking system of an automobile, the brake pad is the most crucial safety component. The quality of all braking effects is determined by the brake pad. Therefore, a good brake pad is the protector of people and automobiles.

[0003] After retrieval, a positioning device for cutting automotive drum brake pads disclosed in a Chinese patent with the publication number CN219026081U can drive the extrusion plate to move in position through a hydraulic cylinder, so as to clamp and position the drum brake pad inside the positioning groove, making the cutting of the drum brake pad more stable. However, this device cannot quickly fix brake pads of different sizes and models, easily causing uneven cutting or the problem of the brake pad flying off due to unstable clamping when cutting brake pads of different sizes and models.

[0004] Therefore, a new solution is needed to solve this problem. Content of the Utility Model

[0005] Aiming at the problem in the above background technique that the prior art cannot quickly clamp brake pads of different sizes.

[0006] A positioning device for cutting automotive drum brake pads disclosed by the utility model includes a fixed frame. A first motor is fixedly installed on the outer surface of the fixed frame. The output end of the first motor is fixedly connected to a bidirectional screw. The outer surface of the bidirectional screw is rotationally connected to the fixed frame. Two support frames are threadedly connected to the outer surface of the bidirectional screw. The inner wall of each support frame is rotationally connected to a first screw. The top end of each first screw is fixedly connected to a connection head. Connectors are threadedly connected to the outer surface of each first screw.

[0007] Furthermore, a first connecting rod is slidably connected to the inner wall of one of the connectors. The bottom end of the first connecting rod is fixedly connected to a first pressing plate.

[0008] Furthermore, a first spring is sleeved on the outer surface of the first connecting rod. The bottom end of the first spring is fixedly connected to the first pressing plate, and the other end is fixedly connected to the corresponding connector.

[0009] Furthermore, two second connecting rods are slidably connected to the inner wall of the other connector. The top end of each second connecting rod is fixedly connected to a second pressing plate.

[0010] Further, a second spring is sleeved on the outer surface of each of the second connecting rods. The bottom end of each second spring is fixedly connected to the corresponding second connecting rod, and the other end is fixedly connected to the corresponding connecting member.

[0011] Further, an electric push rod is fixedly installed on the inner wall of the fixing frame. The output end of the electric push rod is fixedly connected to a connecting plate. A second motor is fixedly installed on the outer surface of the connecting plate. The output end of the second motor is fixedly connected to a second screw rod.

[0012] Further, a connecting frame is threadedly connected to the outer surface of the second screw rod. The outer surface of the connecting frame is slidably connected to the connecting plate. A third motor is fixedly installed on the outer surface of the connecting frame. The output end of the third motor is fixedly connected to a cutting blade. The outer surface of the cutting blade is rotatably connected to the connecting frame.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By providing components such as a fixing frame, a first motor, a bidirectional screw rod, a support frame, a first screw rod, a connecting head, a connecting member, a first pressing plate, and a second pressing plate, the present utility model starts the first motor to drive the bidirectional screw rod to rotate, and drives the two support frames to move horizontally towards or away from each other along the fixing frame through the rotation of the bidirectional screw rod. At this time, a wrench is used to connect to the connecting head to drive the corresponding first screw rod. Then, the first screw rod starts to rotate and drives the corresponding connecting member to move vertically along the first screw rod until the first pressing plate and the second pressing plate press against the brake pad, thereby achieving the effect that the device can quickly clamp brake pads of different sizes through the mutual cooperation of the support frame, the first pressing plate, and the second pressing plate.

[0015] 2. By providing components such as an electric push rod, a connecting plate, a second motor, a second screw rod, and a connecting frame, the present utility model can quickly adjust the horizontal position of the connecting plate by controlling the electric push rod to drive the connecting plate to slide horizontally along the fixing frame. At this time, by starting the second motor, the second motor drives the second screw rod to rotate, and drives the connecting frame to move horizontally along the second screw rod, thereby achieving the effect that the device can cut brake pads at different positions through the mutual cooperation of the electric push rod and the second motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 Schematic diagram of the two-way screw structure of the present utility model;

[0019] Figure 3 Schematic diagram of the support frame structure of the present utility model;

[0020] Figure 4 Schematic diagram of the cutting disc structure of the present utility model.

[0021] In the figure: 1, fixed frame; 2, first motor; 3, two-way screw; 4, support frame; 5, first screw; 6, connecting head; 7, connecting piece; 8, second pressing plate; 9, second spring; 10, first connecting rod; 11, first spring; 12, electric push rod; 13, connecting plate; 14, connecting frame; 15, second screw; 16, second motor; 17, cutting disc; 18, third motor; 19, second connecting rod; 20, first pressing plate. Specific embodiments

[0022] The following will disclose multiple embodiments of the present utility model in the form of diagrams. For the sake of clarity, many physical details will be described together in the following narrative. However, it should be understood that these physical details are not used to limit the present utility model. That is to say, in some embodiments of the present utility model, these physical details are unnecessary. In addition, for the purpose of simplifying the diagrams, some conventional structures and components will be shown in a simple schematic manner in the diagrams.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , a positioning device for cutting automotive drum brake pads of the present utility model, comprising a fixed frame 1, a first motor 2 is fixedly installed on the outer surface of the fixed frame 1, the output end of the first motor 2 is fixedly connected to a two-way screw 3, when the first motor 2 is started, it will drive the two-way screw 3 to rotate within the fixed frame 1, the outer surface of the two-way screw 3 is rotatably connected to the fixed frame 1, two support frames 4 are threadedly connected to the outer surface of the two-way screw 3. Specifically, the rotation of the two-way screw 3 will drive the two support frames 4 to move towards or away from each other along the two-way screw 3 at the same time. The inner wall of each support frame 4 is rotatably connected to a first screw 5, the top end of each first screw 5 is fixedly connected to a connecting head 6, the connecting head 6 is a hexagonal head, which can be connected by using an internal hexagonal wrench, and then turning the wrench can drive the corresponding first screw 5 to start rotating. A connecting piece 7 is threadedly connected to the outer surface of each first screw 5, and the rotation of the first screw 5 will drive the corresponding connecting piece 7 to move vertically along the corresponding first screw 5.

[0024] In this embodiment, a first connecting rod 10 is slidably connected to the inner wall of one of the connecting members 7. A first connecting box is fixedly connected to the upper surface of one of the connecting members 7. The first connecting rod 10 is arranged in the first connecting box. A first pressing plate 20 is fixedly connected to the bottom end of the first connecting rod 10. Specifically, the first connecting rod 10 can slide vertically along the first connecting box. At this time, the first connecting rod 10 can drive the first pressing plate 20 to squeeze the brake pad.

[0025] In this embodiment, a first spring 11 is sleeved on the outer surface of the first connecting rod 10. The bottom end of the first spring 11 is fixedly connected to the first pressing plate 20, and the other end is fixedly connected to the corresponding connecting member 7. Specifically, when the connecting member 7 slides vertically along the corresponding support frame 4, the first pressing plate 20 comes into contact with the brake pad, and then the connecting member 7 is continuously pressed down until the bottom surface of the connecting member 7 squeezes and fixes the brake pad. At this time, the first spring 11 starts to compress, and the brake pad is fixed through the first pressing plate 20.

[0026] In this embodiment, two second connecting rods 19 are slidably connected to the inner wall of the other connecting member 7. A second pressing plate 8 is fixedly connected to the top end of each second connecting rod 19. Specifically, the second connecting rods 19 can slide vertically along the corresponding connecting members 7. By squeezing and fixing the first pressing plate 20 to the brake pad, at this time, the other connecting member 7 is slid vertically downward along the support frame 4, and then the second pressing plate 8 will cover the first pressing plate 20 and continue to press down until the bottom surface of the connecting member 7 squeezes and fixes the brake pad.

[0027] In this embodiment, a second spring 9 is sleeved on the outer surface of each second connecting rod 19. The bottom end of each second spring 9 is fixedly connected to the corresponding second connecting rod 19, and the other end is fixedly connected to the corresponding connecting member 7. Specifically, when the bottom surface of the connecting member 7 squeezes and fixes the brake pad, the second pressing plate 8 will cover the first pressing plate 20. At this time, the second spring 9 starts to compress, and a vertically downward force is applied to the second pressing plate 8 to squeeze the first pressing plate 20, so as to make the fixation of the brake pad more stable.

[0028] As Figure 2 、 Figure 4 shown, an electric push rod 12 is fixedly installed on the inner wall of the fixing frame 1. The electric push rod 12 is controlled by a PLC circuit. When the electric push rod 12 is started, it will push the connecting plate 13 to slide horizontally along the fixing frame 1. The output end of the electric push rod 12 is fixedly connected to the connecting plate 13. A second motor 16 is fixedly installed on the outer surface of the connecting plate 13. The output end of the second motor 16 is fixedly connected to a second screw rod 15. The second screw rod 15 is perpendicular to the electric push rod 12. Specifically, starting the second motor 16 can drive the second screw rod 15 to rotate in the connecting plate 13.

[0029] In this embodiment, a connecting frame 14 is threadedly connected to the outer surface of the second screw rod 15. The rotation of the second screw rod 15 will drive the connecting frame 14 to move horizontally along the second screw rod 15. The outer surface of the connecting frame 14 is slidably connected to the connecting plate 13. A third motor 18 is fixedly installed on the outer surface of the connecting frame 14. The output end of the third motor 18 is fixedly connected to a cutting blade 17. When the third motor 18 is started, it will drive the cutting blade 17 to start running. The running of the cutting blade 17 can quickly cut the brake pads. The outer surface of the cutting blade 17 is rotatably connected to the connecting frame 14.

[0030] The above are only the embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, various changes and modifications can be made to the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A positioning device for cutting a drum brake pad of an automobile, comprising a fixing frame (1), characterized in that: A first motor (2) is fixedly mounted on the outer surface of the fixing frame (1); a bidirectional screw (3) is fixedly connected to the output end of the first motor (2); the outer surface of the bidirectional screw (3) is rotatably connected to the fixing frame (1); the outer surface of the bidirectional screw (3) is threadedly connected to two support frames (4); the inner wall of each support frame (4) is rotatably connected to a first screw (5); the top end of each first screw (5) is fixedly connected to a connector (6); and the outer surface of each first screw (5) is threadedly connected to a connector (7).

2. The positioning device for cutting a drum brake pad according to claim 1, characterized in that: A first connecting rod (10) is slidably connected to the inner wall of one of the connecting members (7), and a first pressing plate (20) is fixedly connected to the bottom end of the first connecting rod (10).

3. The positioning device for cutting a drum brake pad according to claim 2, characterized in that: A first spring (11) is sleeved on the outer surface of the first connecting rod (10); the bottom end of the first spring (11) is fixedly connected to the first pressing plate (20), and the other end is fixedly connected to the corresponding connecting piece (7).

4. The positioning device for cutting a drum brake pad according to claim 3, characterized in that: Two second connecting rods (19) are slidably connected to the inner wall of the other connecting member (7), and the top end of each second connecting rod (19) is fixedly connected to a second pressing plate (8).

5. The positioning device for cutting automobile drum brake pads according to claim 4, characterized in that: The outer surface of each second connecting rod (19) is sleeved with a second spring (9), the bottom end of each second spring (9) is fixedly connected to the corresponding second connecting rod (19), and the other end is fixedly connected to the corresponding connecting piece (7).

6. The positioning device for cutting automobile drum brake pads according to claim 1, characterized in that: An electric push rod (12) is fixedly mounted on the inner wall of the fixed frame (1), the output end of the electric push rod (12) is fixedly connected to a connecting plate (13), a second motor (16) is fixedly mounted on the outer surface of the connecting plate (13), and the output end of the second motor (16) is fixedly connected to a second screw rod (15).

7. The positioning device for cutting automobile drum brake pads according to claim 6, characterized in that: The outer surface of the second screw rod (15) is threadedly connected to a connecting frame (14), the outer surface of the connecting frame (14) is slidably connected to the connecting plate (13), a third motor (18) is fixedly mounted on the outer surface of the connecting frame (14), an output end of the third motor (18) is fixedly connected to a cutting blade (17), and the outer surface of the cutting blade (17) is rotatably connected to the connecting frame (14).

Images