A kind of automobile brake pad slotting device

Abstract

The application discloses a kind of automobile brake pad slotting device, limiting frame and drive motor are separately arranged on mounting bracket, rotary plate and the output shaft of drive motor are connected, first sliding groove is equipped on rotary plate, slotting assembly is slidably arranged in first sliding groove;Two groups of relative limiting pieces are slidably arranged on rotary plate, and two limiting pieces can hold slotting assembly;Two groups of concave groove plates are slidably arranged on mounting bracket, and two concave groove plates abut after being able to limit slotting assembly to move between two concave groove plates;Driving mechanism is arranged on rotary plate, driving mechanism can change the position of limiting piece in one direction, two limiting pieces are made away from slotting assembly by driving mechanism, and two concave groove plates are made to abut simultaneously, and driving mechanism can be fixed at the abutment of two concave groove plates.The above-mentioned automobile brake pad slotting device can switch linear slotting and arc slotting two modes according to needs.

Description

Technical Field

[0001] This invention belongs to the field of brake pad manufacturing technology, and more specifically, relates to a grooving device for automotive brake pads. Background Technology

[0002] In automotive braking systems, brake pads are a key component, and their groove design significantly impacts heat dissipation, noise reduction, and braking performance. Currently, the most common brake pad groove designs on the market include curved grooves and straight grooves. Different groove designs correspond to different functional characteristics. For example, curved grooves excel in distributing braking pressure and reducing noise, while straight grooves are effective in chip removal and basic heat dissipation.

[0003] However, existing brake pad grooving devices generally suffer from limited functionality, meaning each device is only compatible with one specific grooving method. When different grooving methods are required for brake pads, operators must change the corresponding grooving device, or even adjust the entire processing equipment structure. This not only leads to cumbersome operation and low processing efficiency but also results in low device utilization, increasing equipment purchase and maintenance costs for enterprises. Furthermore, frequent device changes can introduce installation errors, affecting the accuracy and quality of brake pad grooving, and consequently adversely impacting the overall performance of the automotive braking system. Therefore, there is an urgent need to develop an automotive brake pad grooving device that is compatible with multiple grooving methods to improve the equipment's versatility and processing efficiency. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the purpose of this invention is to provide an automotive brake pad grooving device to solve the technical problem of low compatibility of existing brake pad grooving devices mentioned in the background art.

[0005] To achieve the aforementioned objectives, the technical solution adopted by this invention includes: A grooving device for automotive brake pads includes a mounting bracket, a limiting bracket, a drive motor, a rotating plate, a grooving assembly, a limiting component, a concave groove plate, and a drive mechanism. The limiting frame and the drive motor are respectively mounted on the mounting frame. The rotating plate is connected to the output shaft of the drive motor. The rotating plate is provided with a first sliding groove. The grooving assembly is slidably disposed in the first sliding groove. Two sets of limiting members are provided opposite to each other and are slidably disposed on the rotating plate, and the two limiting members can clamp the slotted assembly; The concave groove plate is slidably disposed on the mounting frame and two sets are arranged opposite each other. After the two concave groove plates abut against each other, the grooving assembly can be restricted from moving between the two concave groove plates. The driving mechanism is located on the rotating plate. The driving mechanism can change the position of the limiting member in one direction. The driving mechanism can move the two limiting members away from the slotted assembly and at the same time make the two concave slot plates abut together. The driving mechanism can fix the two concave slot plates at the abutment point.

[0006] Furthermore, the driving mechanism includes a pushing component, a driving component, a one-way component, a transmission component, and a driven component; the pushing component is slidably mounted on the mounting bracket and can drive the concave groove plate to move; the mounting bracket is provided with a positioning hole, and the pushing component can be fixed in position by inserting into the positioning hole; the driving component, the one-way component, and the transmission component are rotatably mounted on the rotating plate and can drive the limiting member to move; the rotation of the one-way component can drive the driving component to rotate in one direction and can simultaneously drive the transmission component to rotate; the driven component is slidably mounted on the rotating plate, and when the pushing component drives the concave groove plate closer, it can drive the transmission component to rotate through the driven component.

[0007] Furthermore, the drive assembly includes a drive connecting plate, a drive shaft, a drive gear, and a worm gear; the drive connecting plate is fixed on the rotating plate, the drive shaft is rotatably connected to the drive connecting plate, the drive gear and the worm gear are coaxially fixed on the drive shaft, and the limiting member is a rack and pinion that meshes with the drive gear.

[0008] Furthermore, the one-way component includes a one-way fixed seat, a worm gear, and a first bevel gear; the one-way fixed seat is fixedly mounted on the rotating plate, the worm gear is rotatably connected to the one-way fixed seat, and can drive the worm wheel in one direction; the first bevel gear is coaxially fixed on the worm gear, and can drive the transmission component to rotate.

[0009] Furthermore, the transmission assembly includes a transmission connecting plate, a transmission connecting shaft, a transmission gear, and a second bevel gear; the transmission connecting plate is fixed on the rotating plate, the transmission connecting shaft is rotatably connected to the transmission connecting plate, the transmission gear and the second bevel gear are coaxially fixed on the transmission connecting shaft, the movement of the driven assembly can drive the transmission gear to rotate, and the first bevel gear and the second bevel gear mesh.

[0010] Furthermore, the driven component includes a driven rack, a driven connecting rod, and an arc-shaped plate; the driven rack is slidably connected to the rotating plate and connected to the arc-shaped plate through the driven connecting rod; the driven rack meshes with the transmission gear; and the pushing component can drive the driven rack to slide by pushing the arc-shaped plate.

[0011] Furthermore, the pushing assembly includes a pushing slide rod, a pushing rod, a positioning connecting plate, a positioning rod, and a pushing connecting plate; the mounting bracket is provided with a second sliding groove, the pushing slide rod is slidably connected in the second sliding groove, the positioning connecting plate is fixed on the pushing slide rod, the positioning rod is slidably connected to the positioning connecting plate in a vertical manner, and can be inserted into the positioning hole; the pushing rod is fixed on the pushing slide rod and can push the arc-shaped plate to move; the pushing slide rod is connected to the concave groove plate through the pushing connecting plate.

[0012] Furthermore, a connecting plate is also provided, and the limiting frame is slidably disposed on the mounting frame and connected to the driven rack through the connecting plate.

[0013] Furthermore, the grooving assembly includes a slider, a grooving motor, a grooving cutter, and a limiting rod; the slider is slidably connected in the first groove, the grooving motor is fixedly mounted at the bottom of the slider, and the grooving cutter is coaxially fixed on the output shaft of the grooving motor; the limiting rod is fixedly mounted at the top of the slider, and the two concave groove plates can abut against the limiting rod.

[0014] The device described in this application is used as follows: In the initial state, the two concave groove plates are away from the limiting rod, and the two limiting members simultaneously abut against the slider to clamp the slider. Due to the meshing of the limiting members and the drive gear, the limiting members will continue to be clamped under the action of the worm gear mechanism and will be slotted in an arc shape as the rotating plate rotates. When straight grooving is required, bring the two push rods close together and insert the positioning rod into the positioning hole to restrict the movement of the push rods. During the movement of the push rods, the push rods push the arc plate towards the limiting rod, causing the driven rack to slide towards the limiting rod. This, in turn, drives the worm gear to rotate through the transmission assembly, causing the worm wheel to rotate and move the two limiting parts away from the slider. The slider, now unrestricted, can slide in the first groove. The limiting rod at the top of the slider is restricted by the two concave groove plates and can only slide along the groove inside the concave groove plates. Therefore, when the rotating plate rotates, the slider slides left and right in the first groove, and its top moves back and forth in a straight line due to interference from the concave groove plates. The grooving cutter moves back and forth. When it is necessary to switch to arc-shaped slotting again, release the positioning rod from the positioning of the push slide, pull the driven rack outward, so that the worm gear drives the limit component to clamp the slider again, thereby realizing arc-shaped slotting.

[0015] Compared with the prior art, the advantages of the present invention include: In this application, when arc-shaped grooving is required, the drive mechanism is manipulated to bring the two limiting members closer together and clamp the grooving component, restricting the position of the grooving component in the first slide groove so that it cannot slide, thereby making the movement trajectory of the grooving component arc-shaped when the rotating plate rotates, thus enabling arc-shaped grooving of the brake pad. By controlling the position of the limiting member in one direction through the drive mechanism, when the drive mechanism drives the two concave groove plates to abut and form a long strip ring plate, it simultaneously drives the two limiting members to move away from each other, so that the grooving assembly can slide in the first slide groove. Thus, when the rotating plate rotates, the grooving assembly moves in a straight line along the concave groove plate, thereby opening a straight groove for the brake pad. This application switches the motion trajectory of the slotting component through a drive mechanism, enabling it to adjust different slotting methods according to slotting requirements. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is an overall schematic diagram of an automotive brake pad grooving device according to the present invention; Figure 2 This is a schematic diagram of the automotive brake pad grooving device from another angle in the present invention; Figure 3 This is a schematic diagram of the driving mechanism in this invention.

[0018] Figure label: Mounting bracket 1, second slide rail 11, positioning hole 12, limit bracket 13, connecting plate 131, drive motor 14, rotating plate 15, first slide rail 151, grooving assembly 2, slider 21, grooving motor 22, grooving cutter 23, limit rod 24, limit piece 3, concave groove plate 31, drive mechanism 4, pushing assembly 5, pushing slide rod 51, pushing rod 52, positioning connecting plate 53, positioning rod 54, pushing connecting plate 55, drive assembly 6, drive connecting plate 61, drive shaft 62, drive gear 63, worm gear 64, one-way assembly 7, one-way fixed seat 71, worm 72, first bevel gear 73, transmission assembly 8, transmission connecting plate 81, transmission connecting shaft 82, transmission gear 83, second bevel gear 84, driven assembly 9, driven rack 91, driven connecting rod 92, arc plate 93. Detailed Implementation

[0019] In view of the shortcomings of the prior art, the inventors of this invention, through long-term research and extensive practice, have proposed the technical solution of this invention. The technical solution, its implementation process, and principles will be further explained below with reference to the accompanying drawings and specific implementation examples in the embodiments of this application.

[0020] It should be noted that the embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention. The described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, the present invention covers any substitutions, modifications, equivalent methods and solutions made on the spirit, principles and scope of the present invention as defined by the claims. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] In the description of this application, the terms "first," "second," "third," and similar words do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms "a" or "one," and similar words, do not indicate a quantity limitation, but rather indicate the presence of at least one. The terms "comprising" or "including," and similar words, mean that the elements or objects preceding "comprising" or "including" encompass the elements or objects listed following "comprising" or "including," and their equivalents, but do not exclude other elements or objects. The terms "connected" or "linked," and similar words, are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect.

[0022] In the description of this application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this application and for simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, when using positional terms such as "both sides," "outer side," and "upper and lower," it should be understood that they are used only for ease of understanding and description, taking into account that the structure may be oriented to other positions.

[0023] In the description of this application, unless otherwise expressly specified and limited, the technical or scientific terms used shall have the ordinary meaning understood by a person with ordinary skills in the art to which this application pertains. Terms such as “installation,” “connection,” and “joining” shall be interpreted broadly, for example, as fixed connection, detachable connection, mating connection, or integral connection. For a person skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0024] The present invention aims to introduce and explain the structural composition of an automotive brake pad grooving device and the matching relationship between the various components. Unless otherwise specified, the dimensions, materials, and manufacturing processes of the various components in the automotive brake pad grooving device of the present invention can be selected according to specific circumstances, and no special limitations or explanations are made here.

[0025] Furthermore, to provide the public with a better understanding of the present invention, certain specific details are described in detail in the following description of the invention. However, those skilled in the art will fully understand the invention even without these detailed descriptions.

[0026] Please refer to the following: Figures 1-3 This embodiment provides a grooving device for automotive brake pads, including a mounting bracket 1, a limiting bracket 13, a drive motor 14, a rotating plate 15, a grooving assembly 2, a limiting member 3, a concave groove plate 31, and a drive mechanism 4. The limiting frame 13 and the drive motor 14 are respectively mounted on the mounting frame 1. The rotating plate 15 is connected to the output shaft of the drive motor 14. The rotating plate 15 is provided with a first sliding groove 151, and the grooving assembly 2 is slidably disposed in the first sliding groove 151. It should be understood that the mounting frame 1 has a lower mounting surface and an upper mounting surface. The limiting frame 13 is disposed on the lower mounting surface, and the drive motor 14 is disposed on the upper mounting surface. The brake pad to be grooved is placed on the limiting frame 13 and fixed by the limiting frame 13. The grooving assembly 2 can pass through the brake pad as the rotating plate 15 rotates, thereby performing grooving processing on the brake pad. It should be understood that the drive motor 14 is a servo motor and can rotate forward or backward according to the operator's use.

[0027] Two sets of limiting members 3 are provided opposite to each other and are slidably disposed on the rotating plate 15. The two limiting members 3 can clamp the slotting component 2; that is, the slotting component 2 is clamped by the limiting members 3, so that the slotting component 2 always maintains the same distance from the drive motor 14 during the rotation of the rotating plate 15, so that its movement trajectory is arc-shaped.

[0028] The concave groove plate 31 is slidably disposed on the mounting frame 1 and two sets are provided opposite to each other. After the two concave groove plates 31 abut, they can restrict the grooving component 2 from moving between the two concave groove plates 31. Specifically, after the two concave groove plates 31 abut, they form a long strip annular plate. The two sides of the grooving component 2 abut against the inner side of the two concave groove plates 31 and move in a straight line in the groove of the long strip annular plate.

[0029] The drive mechanism 4 is mounted on the rotating plate 15. The drive mechanism 4 can unidirectionally change the position of the limiting members 3. Through the drive mechanism 4, the two limiting members 3 can be moved away from the slot assembly 2, while the two concave slot plates 31 abut against each other. The drive mechanism 4 can be fixed at the point where the two concave slot plates 31 abut. That is, when the two concave slot plates 31 approach each other, the two limiting members 3 move away from each other, allowing the slotting assembly 2 to slide within the first slide groove 151. Simultaneously, it is restricted by the two concave slot plates 31, so that when the rotating plate 15 rotates, the slotting assembly 2 can only move along the direction of the concave slot plates 31, and simultaneously move within the first slide groove 151. It should also be understood that the drive mechanism 4 unidirectionally controls the position of the limiting members 3; that is, the movement of the limiting members 3 cannot cause the drive mechanism 4 to move.

[0030] In this application, when arc-shaped grooving is required, the drive mechanism 4 is operated to bring the two limiting members 3 close together and clamp the grooving component 2, restricting the position of the grooving component 2 in the first slide groove 151 so that it cannot slide, so that when the rotating plate 15 rotates, the movement trajectory of the grooving component 2 is arc-shaped, thereby enabling arc-shaped grooving of the brake pad. By controlling the position of the limiting member 3 in one direction through the drive mechanism 4, when the drive mechanism 4 drives the two concave groove plates 31 to abut and form a long strip ring plate, it also drives the two limiting members 3 to move away from each other, so that the grooving assembly 2 can slide in the first slide groove 151, so that when the rotating plate 15 rotates, the grooving assembly 2 moves in a straight line along the concave groove plate 31, thereby opening a straight groove for the brake pad. This application uses a drive mechanism 4 to switch the movement trajectory of the slotting component 2, enabling it to adjust different slotting methods according to slotting requirements.

[0031] In other embodiments, the drive mechanism 4 includes a pushing component 5, a driving component 6, a one-way component 7, a transmission component 8, and a driven component 9. The pushing component 5 is slidably mounted on the mounting frame 1 and can drive the concave groove plate 31 to move. The mounting frame 1 is provided with a positioning hole 12, through which the pushing component 5 can be fixed in position. The driving component 6, the one-way component 7, and the transmission component 8 are rotatably mounted on the rotating plate 15 and can drive the limiting member 3 to move. The rotation of the one-way component 7 can drive the driving component 6 to rotate in one direction and can simultaneously drive the transmission component 8 to rotate. The driven component 9 is slidably mounted on the rotating plate 15. When the pushing component 5 drives the concave groove plate 31 closer, it can drive the transmission component 8 to rotate through the driven component 9. That is, the driven component 9 drives the transmission component 8 to rotate, the transmission component 8 drives the one-way component 7 to rotate, and the one-way component 7 drives the driving component 6 to rotate, thereby driving the limiting member 3 to move in one direction, achieving the purpose of adjusting the clamping state of the slotted component 2 in one direction as the concave groove plate 31 approaches.

[0032] In other embodiments, the drive assembly 6 includes a drive connecting plate 61, a drive shaft 62, a drive gear 63, and a worm gear 64. The drive connecting plate 61 is fixed to the rotating plate 15, the drive shaft 62 is rotatably connected to the drive connecting plate 61, the drive gear 63 and the worm gear 64 are coaxially fixed to the drive shaft 62, and the limiting member 3 is a rack that meshes with the drive gear 63. It should be understood that the one-way assembly 7 can drive the worm gear 64 to rotate in one direction, and the limiting member 3 is always meshed with the drive gear 63.

[0033] In other embodiments, the one-way component 7 includes a one-way fixed seat 71, a worm 72, and a first bevel gear 73; the one-way fixed seat 71 is fixed on the rotating plate 15, the worm 72 is rotatably connected to the one-way fixed seat 71, and can drive the worm wheel 64 in one direction; the first bevel gear 73 is coaxially fixed on the worm 72, and can drive the transmission component 8 to rotate.

[0034] In other embodiments, the transmission assembly 8 includes a transmission connecting plate 81, a transmission connecting shaft 82, a transmission gear 83, and a second bevel gear 84. The transmission connecting plate 81 is fixed on the rotating plate 15, the transmission connecting shaft 82 is rotatably connected to the transmission connecting plate 81, and the transmission gear 83 and the second bevel gear 84 are coaxially fixed on the transmission connecting shaft 82. The movement of the driven assembly 9 can drive the transmission gear 83 to rotate, and the first bevel gear 73 and the second bevel gear 84 mesh. Specifically, when the pushing assembly 5 drives the concave groove plate 31 closer, it drives the driven assembly 9 to slide towards the slotted assembly 2, thereby driving the first bevel gear 73 to rotate through the transmission gear 83, which in turn causes the worm 72 to drive the worm wheel 64 to rotate, causing the limiting member 3 to move away from the slotted assembly 2.

[0035] In other embodiments, the driven component 9 includes a driven rack 91, a driven connecting rod 92, and an arc-shaped plate 93. The driven rack 91 is slidably connected to the rotating plate 15 and connected to the arc-shaped plate 93 via the driven connecting rod 92. The driven rack 91 meshes with the transmission gear 83, and the pushing component 5 can drive the driven rack 91 to slide by pushing the arc-shaped plate 93. It should be understood that by setting the arc-shaped plate 93, the rotating plate 15 does not interfere with the pushing component 5 during rotation, thereby preventing the driven component 9 from being squeezed by the pushing component 5 during the rotation of the rotating plate 15, and thus causing the limiting member 3 to be displaced. It should also be noted that when the concave groove plates 31 abut against each other, the arc-shaped plates 93 on both sides still leave a distance from the inner surface of the concave groove plates 31.

[0036] In other embodiments, the pushing assembly 5 includes a pushing slide 51, a pushing rod 52, a positioning connecting plate 53, a positioning rod 54, and a pushing connecting plate 55. The mounting bracket 1 has a second sliding groove 11, the pushing slide 51 is slidably connected within the second sliding groove 11, the positioning connecting plate 53 is fixed to the pushing slide 51, and the positioning rod 54 is slidably connected to the positioning connecting plate 53 and can be inserted into the positioning hole 12. The pushing rod 52 is fixed to the pushing slide 51 and can push the arc-shaped plate 93 to move. The pushing slide 51 is connected to the concave groove plate 31 via the pushing connecting plate 55. It should be understood that the end of the pushing rod 52 is spherical, which can maintain a good contact state of the arc-shaped plate 93 during rotation.

[0037] In other designs, a connecting plate 131 is also provided, and a limiting bracket 13 is slidably mounted on the mounting bracket 1 and connected to the driven rack 91 through the connecting plate 131. Since arc-shaped grooves are often opened on both sides of the brake pad and are centrally symmetrical, while straight grooves are often opened in the center, the connection between the limiting bracket 13 and the driven rack 91 allows the limiting bracket 13 to change position according to different groove states.

[0038] In other embodiments, the grooving assembly 2 includes a slider 21, a grooving motor 22, a grooving cutter 23, and a limiting rod 24. The slider 21 is slidably connected within the first groove 151. The grooving motor 22 is fixedly mounted at the bottom of the slider 21, and the grooving cutter 23 is coaxially fixed on the output shaft of the grooving motor 22. The limiting rod 24 is fixedly mounted at the top of the slider 21, and the two concave groove plates 31 can abut against the limiting rod 24. It should be understood that when the two concave groove plates 31 abut, the limiting rod 24 just abuts against the inner surface of the two concave groove plates 31.

[0039] The usage process of the device in this application is as follows: In the initial state, the two concave groove plates 31 are away from the limiting rod 24, and the two limiting members 3 simultaneously abut against the slider 21, forming a clamp on the slider 21. Due to the meshing of the limiting member and the drive gear 63, under the action of the worm gear 64 and worm 72 mechanism, the limiting member 3 will continue to be clamped and will be slotted in an arc shape as the rotating plate 15 rotates. When straight grooving is required, the two push rods 51 are brought close together and the positioning rod 54 is inserted into the positioning hole 12 to restrict the movement of the push rods 51. During the movement of the push rods 51, the push rod 52 pushes the arc plate 93 to move towards the limiting rod 24, causing the driven rack 91 to slide towards the limiting rod 24. Then, the transmission assembly 8 drives the worm gear 72 to rotate, thereby causing the worm wheel 64 to rotate and drive the two limiting parts 3 away from the slider 21. The slider 21, which is no longer restricted, can slide in the first groove 151. The limiting rod 24 at the top of the slider 21 is restricted by the two concave groove plates 31 and can only slide along the groove inside the concave groove plate 31. Therefore, when the rotating plate 15 rotates, the sliding block slides left and right in the first groove 151, and its top moves back and forth in a straight line due to the interference of the concave groove plate 31. The grooving cutter 23 moves back and forth. When it is necessary to switch to arc-shaped slotting again, the positioning rod 54 is released from the positioning of the push slide rod 51, and the driven rack 91 is pulled outward, so that the worm gear 64 drives the limiting member 3 to clamp the slider 21 again, thereby realizing arc-shaped slotting.

[0040] The aforementioned automotive brake pad grooving device can switch between two modes: straight grooving and arc grooving, as needed.

[0041] It should be understood that the above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. It should not be considered that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. A grooving device for automotive brake pads, characterized in that: Includes mounting bracket, limit bracket, drive motor, rotating plate, slotted assembly, limit component, concave slot plate and drive mechanism; The limiting frame and the drive motor are respectively mounted on the mounting frame. The rotating plate is connected to the output shaft of the drive motor. The rotating plate is provided with a first sliding groove. The grooving assembly is slidably disposed in the first sliding groove. Two sets of limiting members are provided opposite to each other and are slidably disposed on the rotating plate, and the two limiting members can clamp the slotted assembly; The concave groove plate is slidably disposed on the mounting frame and two sets are arranged opposite each other. After the two concave groove plates abut against each other, the grooving assembly can be restricted from moving between the two concave groove plates. The driving mechanism is located on the rotating plate. The driving mechanism can change the position of the limiting member in one direction. The driving mechanism can move the two limiting members away from the slotted assembly and at the same time make the two concave slot plates abut together. The driving mechanism can fix the two concave slot plates at the abutment point.

2. The automotive brake pad grooving device according to claim 1, characterized in that: The driving mechanism includes a pushing component, a driving component, a one-way component, a transmission component, and a driven component. The pushing component is slidably mounted on the mounting bracket and can drive the concave groove plate to move. The mounting bracket is provided with a positioning hole, and the pushing component can be fixed in position by inserting into the positioning hole. The driving component, the one-way component, and the transmission component are rotatably mounted on the rotating plate and can drive the limiting member to move. The rotation of the one-way component can drive the driving component to rotate in one direction and can simultaneously drive the transmission component to rotate. The driven component is slidably mounted on the rotating plate. When the pushing component drives the concave groove plate closer, it can drive the transmission component to rotate through the driven component.

3. The automotive brake pad grooving device according to claim 2, characterized in that: The drive assembly includes a drive connecting plate, a drive shaft, a drive gear, and a worm gear; the drive connecting plate is fixed on the rotating plate, the drive shaft is rotatably connected to the drive connecting plate, the drive gear and the worm gear are coaxially fixed on the drive shaft, and the limiting member is a rack and pinion that meshes with the drive gear.

4. The automotive brake pad grooving device according to claim 3, characterized in that: The one-way component includes a one-way fixed seat, a worm gear, and a first bevel gear; the one-way fixed seat is fixedly mounted on the rotating plate, the worm gear is rotatably connected to the one-way fixed seat and can drive the worm wheel in one direction; the first bevel gear is coaxially fixed on the worm gear and can drive the transmission component to rotate.

5. The automotive brake pad grooving device according to claim 4, characterized in that: The transmission assembly includes a transmission connecting plate, a transmission connecting shaft, a transmission gear, and a second bevel gear; the transmission connecting plate is fixed on the rotating plate, the transmission connecting shaft is rotatably connected to the transmission connecting plate, the transmission gear and the second bevel gear are coaxially fixed on the transmission connecting shaft, the movement of the driven assembly can drive the transmission gear to rotate, and the first bevel gear and the second bevel gear mesh.

6. The automotive brake pad grooving device according to claim 5, characterized in that: The driven component includes a driven rack, a driven connecting rod, and an arc-shaped plate; the driven rack is slidably connected to the rotating plate and connected to the arc-shaped plate through the driven connecting rod; the driven rack meshes with the transmission gear; and the pushing component can drive the driven rack to slide by pushing the arc-shaped plate.

7. The automotive brake pad grooving device according to claim 6, characterized in that: The pushing assembly includes a pushing slide rod, a pushing rod, a positioning connecting plate, a positioning rod, and a pushing connecting plate; the mounting frame is provided with a second sliding groove, the pushing slide rod is slidably connected in the second sliding groove, the positioning connecting plate is fixed on the pushing slide rod, the positioning rod is slidably connected to the positioning connecting plate in a vertical manner, and can be inserted into the positioning hole; the pushing rod is fixed on the pushing slide rod and can push the arc-shaped plate to move; the pushing slide rod is connected to the concave groove plate through the pushing connecting plate.

8. The automotive brake pad grooving device according to claim 7, characterized in that: A connecting plate is also provided, and the limiting frame is slidably disposed on the mounting frame and connected to the driven rack through the connecting plate.

9. The automotive brake pad grooving device according to claim 1, characterized in that: The grooving assembly includes a slider, a grooving motor, a grooving cutter, and a limiting rod; the slider is slidably connected in the first groove, the grooving motor is fixedly mounted at the bottom of the slider, and the grooving cutter is coaxially fixed on the output shaft of the grooving motor; the limiting rod is fixedly mounted at the top of the slider, and the two concave groove plates can abut against the limiting rod.

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