A polishing device for brake drum machining

Abstract

The utility model relates to brake drum processing technical field especially, and more particularly relates to a kind of polishing device for brake drum processing, the utility model relates to brake drum processing technical field especially, and more particularly relates to a kind of polishing device for brake drum processing, solve the problem of time-consuming and laborious of manual handling to polishing platform in prior art for the brake drum quality of large-sized vehicle such as truck and other large traffic tools.A kind of polishing device for brake drum processing, including base and clamping table, the one side of base top end is installed with lifting mechanism, and lifting mechanism inside is equipped with rack;The two sides of base middle part are respectively equipped with a group of lifting devices, and the top of two groups of lifting devices is all installed together with rolling platform.The utility model realizes the convenient feeding of large brake drum by each component cooperation, saves manpower, improves processing efficiency and security.

Description

Technical Field

[0001] This utility model relates to the field of brake drum processing technology, and in particular to a polishing device for brake drum processing. Background Technology

[0002] In the processing of brake drums for large trucks and other vehicles, the handling and positioning of the brake drums are crucial factors affecting polishing efficiency and quality. Due to their large size, the traditional method of manually transporting brake drums to the polishing table is extremely laborious and time-consuming, severely limiting processing efficiency. For example, a Chinese patent, CN214351649U, discloses a polishing device for brake pad processing. This device primarily uses a specific clamping structure to fix the brake pads for polishing. However, this patent only solves the polishing problem of conventional brake pads in a fixed state and does not offer an effective solution to the challenges of large brake drums being heavy and difficult to transport. It also fails to provide convenient lifting and positioning during the brake drum loading process.

[0003] Therefore, we propose a polishing device for brake drum processing to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a polishing device for brake drum processing, which solves the problem in the prior art that brake drums used in large vehicles such as trucks and vans are heavy and that it is time-consuming and laborious to manually transport them to the polishing table.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A polishing apparatus for processing brake drums includes a base and a clamping table. The clamping table is installed at the center of the top of the base. The apparatus also includes: A lifting mechanism is installed on one side of the top of the base, and a placement rack is installed inside the lifting mechanism; A set of lifting devices is installed on each side of the middle part of the base, and the top of both sets of lifting devices is installed together with the rolling platform.

[0006] Preferably, the rolling platform has multiple sets of equally spaced parallel conveyor rollers mounted inside it. A circular ring with the same diameter as the clamping table is installed in the middle of the rolling platform, and the rolling platform is connected to the clamping table through the circular ring.

[0007] Preferably, the lifting mechanism includes a support and a placement frame, with a set of supports installed at both ends of one side of the base, and a placement frame rotatably installed between the tops of the two sets of supports; The placement frame is L-shaped, and multiple sets of equidistant conveyor rollers are rotatably installed inside the placement frame.

[0008] Preferably, a set of rotating rods is rotatably installed in the middle of the two sets of brackets, and a first motor is provided on one side of the set of brackets through the rotating rods; The first motor is fixedly mounted on the bracket, and the output shaft of the first motor is fixedly mounted together with the rotating rod.

[0009] Preferably, two sets of connecting rods are fixedly installed in the middle of the rotating rod; The linkage is composed of two sets of linkages hinged together, and the other end of the linkage away from the rotating rod is hinged together with the middle of the placement frame.

[0010] Preferably, the lifting device includes a threaded sleeve, a sleeve, a first threaded screw and a second threaded screw, and the threaded sleeve is fixedly installed on one side of the base by a bracket; The threaded sleeve has a set of threads at both ends inside, and a set of grooves is also provided at both ends of the threaded sleeve near the threads. Each end of the threaded sleeve is fitted with a set of sleeves, and a first threaded screw and a second threaded screw are fixedly installed inside the two sets of sleeves respectively.

[0011] Preferably, the threads of the first threaded screw and the second threaded screw are opposite in shape, and both the first threaded screw and the second threaded screw have a cut on their adjacent sides, and the cuts of the first threaded screw and the second threaded screw fit together.

[0012] Preferably, the lifting device further includes a sliding fixed rod and a second motor. The second motor is fixedly installed on the side of the sleeve near the first threaded screw, and the output shaft of the second motor is fixedly installed together with the first threaded screw. A set of sliding fixing rods is fixedly installed on both sides of the two sets of sleeves, and the two sets of sliding fixing rods are slidably installed inside the base on the side away from the sleeves. A set of swing arms is hinged to the middle of each of the two sets of sliding fixed rods, and the middle of the two sets of swing arms is hinged together. The other ends of both sets of swing arms are hinged to the bottom of the rolling platform.

[0013] This utility model has at least the following beneficial effects: Reduce labor intensity and improve loading safety and efficiency: The device uses an L-shaped placement frame and conveyor rollers to allow workers to vertically roll large brake drums onto the placement frame without initial lifting. The first motor drives the rotating rod and connecting rod to smoothly lift the placement frame and change the brake drum to a horizontal position, replacing manual lifting of heavy loads and avoiding occupational injuries such as muscle strain. The automated adjustment of the conveyor rollers and lifting device of the rolling platform allows the transfer of brake drums to be completed without strenuous handling, simply by pushing. This reduces manual operation throughout the process and avoids the risk of brake drum tilting or falling, improving loading safety and overall processing efficiency.

[0014] This utility model also has the following beneficial effects: High adaptability: The lifting device can adjust the height of the rolling platform by means of opposite threaded screws, sliding fixed rods and swing arms to adapt to the processing needs of brake drums of different heights and improve the versatility of the device; the rolling platform is coaxially connected by a ring with the same diameter as the clamping table, and the low-friction movement of the conveyor rollers ensures that the brake drum is transferred from the placement frame to the clamping table without deviation, reducing rework or polishing quality problems caused by deviation, and taking into account both multi-specification adaptation and processing accuracy. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional side view of the structure of this utility model; Figure 2 This is a three-dimensional side view of the structure of this utility model; Figure 3 This is a partial structural diagram of the base of this utility model; Figure 4 This is a schematic diagram of the lifting mechanism of this utility model; Figure 5 This is a schematic diagram of the lifting mechanism of this utility model. Figure 6 This is a schematic diagram of the lifting device of this utility model.

[0017] In the diagram: 1. Base; 2. Clamping platform; 3. Lifting mechanism; 4. Rolling platform; 5. Lifting device; 6. Bracket; 7. Placement rack; 8. First motor; 9. Linking rod; 10. Threaded sleeve; 11. Sleeve; 12. First threaded screw; 13. Second threaded screw; 14. Sliding fixed rod; 15. Second motor. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0019] Reference Figure 1-6 A polishing apparatus for processing brake drums includes a base 1 and a clamping table 2. The clamping table 2 is installed at the center of the top of the base 1. The apparatus also includes: A lifting mechanism 3 is installed on one side of the top of the base 1, and a placement rack 7 is installed inside the lifting mechanism 3; A set of lifting devices 5 is installed on each side of the middle part of the base 1, and the top of both sets of lifting devices 5 is installed together with the rolling platform 4.

[0020] Furthermore, multiple sets of equally spaced parallel conveyor rollers are rotatably mounted inside the rolling platform 4; A circular ring with the same diameter as the clamping table 2 is installed in the middle of the rolling platform 4, and the rolling platform 4 is connected to the clamping table 2 through the circular ring. Multiple sets of equidistant parallel conveying rollers are rotatably installed inside the rolling platform 4, which can reduce the frictional resistance when the brake drum moves on the platform. Workers do not need to carry it with effort, but can move the brake drum on the rolling platform 4 by simply pushing it. At the same time, the circular ring structure in the middle of the rolling platform 4 with the same diameter as the clamping table 2 can ensure that the rolling platform 4 is coaxial with the clamping table 2 when it is connected to the clamping table 2 through the circular ring, avoiding the deviation during the movement of the brake drum, ensuring the positioning of subsequent polishing, reducing rework or polishing quality problems caused by the deviation of the brake drum, saving manpower and improving processing efficiency.

[0021] Furthermore, the lifting mechanism 3 includes a bracket 6 and a placement frame 7. A set of brackets 6 are installed at both ends of one side of the base 1, and a placement frame 7 is rotatably installed between the top ends of the two sets of brackets 6. The placement frame 7 is L-shaped, and multiple sets of equidistant conveyor rollers are rotatably installed inside the placement frame 7. On the one hand, the L-shaped structure of the placement frame 7 can provide a stable vertical placement space for the brake drum. Workers do not need to lift the heavy brake drum to a horizontal position before loading it. They can simply roll the brake drum vertically into the L-shaped placement frame 7, reducing the labor intensity of the initial loading. On the other hand, the multiple sets of equidistant conveyor rollers rotatably installed inside the placement frame 7 can reduce the rolling friction between the brake drum and the placement frame 7. Workers need to exert less effort when pushing the brake drum to adjust its position. At the same time, the design of the placement frame 7 and the top of the two sets of brackets 6 rotatably installed provides a stable rotational foundation for the subsequent lifting action of the brake drum, avoiding the brake drum from falling during the placement or adjustment process due to structural instability, thus taking into account both safety and convenience.

[0022] Furthermore, a set of rotating rods is rotatably installed in the middle of the two sets of brackets 6, and a first motor 8 is provided on one side of the set of brackets 6 through the rotating rods. The first motor 8 is fixedly mounted on the bracket 6, and its output shaft is fixedly mounted together with the rotating rod. The first motor 8 is fixedly mounted on the bracket 6, and its output shaft is fixedly connected to the rotating rod that passes through the bracket 6. It can provide stable and controllable power to the rotating rod, replacing manual lifting of the placement frame 7 and the heavy brake drum on the frame. This avoids occupational injuries such as muscle strain caused by long-term lifting of heavy loads. At the same time, the motor drive can control the rotation speed of the rotating rod, thereby controlling the lifting speed of the placement frame 7. This ensures that the brake drum remains stable during the lifting process and prevents the brake drum from tilting or falling due to uneven force applied during manual lifting. This improves the safety and stability of the loading process. The automated drive also shortens the time from placing the brake drum to lifting it into position, improving the overall processing efficiency.

[0023] Furthermore, two sets of connecting rods 9 are fixedly installed in the middle of the rotating rod; The connecting rod 9 is composed of two sets of connecting rods hinged together. The other end of the connecting rod 9, which is away from the rotating rod, is hinged together with the middle of the placement frame 7. On the one hand, the connecting rod 9 is composed of two sets of connecting rods hinged together. Its hinge structure can adapt to the rotation trajectory of the placement frame 7 with the top of the support 6 as the center, ensuring that the power of the rotating rod can be transmitted to the placement frame 7. On the other hand, the two sets of connecting rods 9 are symmetrically fixed in the middle of the rotating rod and hinged to the middle of the placement frame 7, which can distribute the driving force of the rotating rod to the placement frame 7. This avoids the placement frame 7 from tilting due to uneven force caused by the large mass of the brake drum, and prevents the brake drum from shifting or colliding during the lifting process. This ensures the stability and safety of the lifting process of the large brake drum, and also extends the service life of the placement frame 7.

[0024] Furthermore, the lifting device 5 includes a threaded sleeve 10, a sleeve 11, a first threaded screw 12 and a second threaded screw 13, and the threaded sleeve 10 is fixedly installed on one side of the base 1 by a bracket. The threaded sleeve 10 has a set of threads at both ends inside, and a set of grooves is also provided at both ends of the threaded sleeve 10 near the threads. A set of sleeves 11 are respectively fitted onto both ends of the threaded sleeve 10, and a first threaded screw 12 and a second threaded screw 13 are respectively fixedly installed inside the two sets of sleeves 11. The thread and groove design at both ends of the threaded sleeve 10 not only realizes the cooperation with the first threaded screw 12 and the second threaded screw 13, but also restricts the rotation of the sleeve 11, ensuring that the sleeve 11 only moves in a straight line along the axis of the threaded sleeve 10, and avoids loss of control of the lifting action due to the rotation of the sleeve 11. At the same time, through the cooperation of the sleeve 11 with the first threaded screw 12 and the second threaded screw 13, the overall length of the lifting device 5 can be controlled by adjusting the relative position of the screw and the sleeve, thereby providing support for the height adjustment of the rolling platform 4, ensuring that it can adapt to the processing requirements of brake drums of different heights and improving the versatility of the device.

[0025] Furthermore, the threads of the first threaded screw 12 and the second threaded screw 13 are opposite, and both the first threaded screw 12 and the second threaded screw 13 have slits on their adjacent sides. The slits of the first threaded screw 12 and the second threaded screw 13 fit together. When the device is running, the opposite threads ensure that when the first threaded screw 12 and the second threaded screw 13 rotate, the two sets of sleeves 11 move synchronously in opposite directions along the axis of the threaded sleeves 10, avoiding the imbalance of force on the lifting device 5 due to the asynchronous movement of the two sets of sleeves 11. At the same time, the fitting design of the slits on the adjacent sides shortens the overall space occupied by the two sets of screws without affecting their rotation, making the structure of the lifting device 5 more compact and saving the internal installation space of the base 1. The fitting slits can also reduce the shaking during the rotation of the screws, improve the stability of the threaded transmission, and ensure that the rolling platform 4 remains horizontal during the lifting process, avoiding the brake drum from slipping due to platform tilt.

[0026] Furthermore, the lifting device 5 also includes a sliding fixed rod 14 and a second motor 15. The second motor 15 is fixedly installed on the side of the sleeve 11 near the first threaded screw 12, and the output shaft of the second motor 15 is fixedly installed together with the first threaded screw 12. A set of sliding fixing rods 14 are fixedly installed on both sides of the two sets of sleeves 11, and the two sets of sliding fixing rods 14 are slidably installed inside the base 1 on the side away from the sleeves 11. Two sets of sliding fixed rods 14 are each hinged to a set of swing arms in the middle, and the middle parts of the two sets of swing arms are hinged together. The other ends of both sets of swing arms are hinged to the bottom of the rolling platform 4. Firstly, the second motor 15 provides automated driving force to the first threaded screw 12, replacing manual adjustment of the lifting mechanism. This eliminates the need for laborious operation by workers, solving the problem of "difficulty in adjusting height" when loading large brake drums and reducing labor intensity. Secondly, the sliding fixing rods 14 on both sides of the two sets of sleeves 11 are slidably installed in the base 1, which can limit the movement trajectory of the sleeves 11 and ensure that the sleeves 11 move smoothly only in the horizontal direction, avoiding abnormal lifting action due to sleeve offset. Thirdly, the two sets of swing arms, through the central hinge and the hinged cooperation with the sliding fixing rods 14 and the rolling platform 4, can convert the horizontal movement of the sleeves 11 into the vertical lifting of the rolling platform 4. The lifting height of the rolling platform 4 can be adjusted by controlling the motor speed, ensuring that the rolling platform 4 is aligned with the clamping table 2 after it is raised. At this time, the worker only needs to push the brake drum to complete the loading, avoiding the step of manually carrying the heavy brake drum and improving loading efficiency and safety.

[0027] In summary: This device facilitates the loading and polishing of large brake drums through the orderly linkage of its components. During operation, the worker first vertically rolls the large brake drum into the L-shaped placement frame 7 of the lifting mechanism 3. Because the placement frame 7 has multiple sets of equidistantly arranged conveyor rollers installed inside, the conveyor rollers rotate along with the brake drum, reducing rolling friction between them. The worker does not need to exert effort to move it; simply pushing the brake drum adjusts it to a stable, centered position on the placement frame 7, easily completing the initial placement and positioning, reducing the labor intensity of the initial loading. Once the brake drum is positioned, the first motor 8 is started, and its output shaft drives the rotating rod that passes through the middle of the two sets of supports 6 to rotate synchronously. The two sets of connecting rods 9 in the middle of the rotating rod rotate with the rotating rod, due to the linkage... The lever 9 is hinged to two sets of connecting rods, with its other end hinged to the middle of the placement frame 7. The rotational force is transmitted to the placement frame 7 through the connecting rod 9, pushing the placement frame 7 to rotate upwards around the rotation connection point at the top of the bracket 6, so that the brake drum on the frame gradually changes from a vertical position to a horizontal position, until the top of the placement frame 7 is horizontal with the polishing-related structure. This replaces manual lifting of the heavy brake drum, avoiding occupational injuries to workers, and ensures that the brake drum changes position smoothly to prevent it from tilting and falling. At the same time as the brake drum completes the horizontal position change, the second motor 15 is started. Its output shaft drives the first threaded screw 12 in one set of sleeves 11 in the lifting device 5 to rotate. Because the first threaded screw 12 and the second threaded screw 13 in another set of sleeves 11 are screwed together... The threads of the threaded sleeve 10 are opposite and their cuts fit together, cooperating with each other. The rotation of the first threaded screw 12 drives the second threaded screw 13 to rotate synchronously in the opposite direction. The sliding grooves at both ends of the threaded sleeve 10 restrict the rotation of the sleeve 11, so that the two sets of sleeves 11 move synchronously away from the center along the axis of the threaded sleeve 10. The sliding fixing rods 14 on both sides of the sleeve 11 slide smoothly along the internal path of the base 1 with the sleeve 11. The two sets of swing arms hinged in the middle of the sliding fixing rods 14 change angle due to the movement. The middle hinge point is lifted upward, pushing the rolling platform 4 hinged to the other end of the swing arm to rise vertically until the top surface of the rolling platform 4 contacts the bottom surface of the horizontal brake drum, and the middle ring is coaxial with the clamping table 2. Because the diameter of the ring is the same as the center of the clamping table 2, the two sets of swing arms hinged in the middle of the sliding fixing rods 14 move synchronously away from the center of the clamping table 10. The clamping platform 2 is identical to the rolling platform 4, which is connected to the clamping platform 2 via a ring. This allows the rolling platform 4 to be smoothly raised and lowered to the receiving height, preparing for the brake drum to move towards the clamping platform 2 and preventing subsequent movement deviation. After the rolling platform 4 is raised and lowered to the correct position, the worker pushes the horizontally positioned brake drum. Multiple sets of equidistant parallel conveyor rollers inside the rolling platform 4 rotate with the brake drum, reducing the frictional resistance between them. The worker can push the brake drum along the rolling platform 4 towards the clamping platform 2 without much effort. Because the rolling platform 4 and the clamping platform 2 are coaxial, the brake drum will not deviate during movement until it is completely moved to the clamping platform 2 and stably clamped, easily completing the transfer and reducing rework or polishing quality problems caused by deviation, thus preparing for subsequent polishing.After the brake drum is polished on the clamping table 2, the second motor 15 is started in reverse, driving the first and second threaded screws to rotate in opposite directions. This causes the two sets of sleeves 11 to move synchronously towards the center along the axis of the threaded sleeves 10. The sliding fixed rod 14 slides in reverse, and the hinge point in the middle of the swing arm moves downward, pushing the rolling platform 4 vertically down to its initial position. At the same time, the first motor 8 is started in reverse, driving the rotating rod to rotate in reverse. The connecting rod 9 pulls the placement frame 7 downward to its initial vertical state, thus resetting all components of the device and preparing for the next brake drum loading and processing cycle.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A polishing device for brake drum machining, comprising a base (1) and a clamping table (2), the clamping table (2) is installed in the middle of the top end of the base (1), characterized in that, Also includes: A lifting mechanism (3) is installed on one side of the top of the base (1), and a placement rack (7) is installed inside the lifting mechanism (3). A set of lifting devices (5) is installed on both sides of the middle part of the base (1), and the top of both sets of lifting devices (5) is installed together with the rolling platform (4).

2. The polishing apparatus for machining brake drums according to claim 1, wherein The rolling platform (4) has multiple sets of equally spaced parallel conveying rollers installed inside it. The rolling platform (4) is equipped with a ring with the same diameter as the clamping table (2) in the middle, and the rolling platform (4) is sleeved in the clamping table (2) through the ring.

3. The polishing apparatus for machining brake drums according to claim 1, wherein The lifting mechanism (3) includes a bracket (6) and a placement frame (7). A set of brackets (6) is installed at both ends of one side of the base (1), and a placement frame (7) is rotatably installed between the tops of the two sets of brackets (6). The placement frame (7) is L-shaped, and multiple sets of equidistant conveying rollers are rotatably installed inside the placement frame (7).

4. The polishing apparatus for machining brake drums according to claim 3, wherein A set of rotating rods is rotatably installed in the middle of the two sets of brackets (6), and a first motor (8) is provided on one side of the set of brackets (6) through the rotating rods. The first motor (8) is fixedly mounted on the bracket (6), and the output shaft of the first motor (8) is fixedly mounted together with the rotating rod.

5. The polishing apparatus for machining brake drums according to claim 4, wherein Two sets of connecting rods (9) are fixedly installed in the middle of the rotating rod. The connecting rod (9) is made up of two sets of connecting rods hinged together, and the other end of the connecting rod (9) away from the rotating rod is hinged together with the middle part of the placement frame (7).

6. The polishing apparatus for machining brake drums according to claim 1, wherein The lifting device (5) includes a threaded sleeve (10), a sleeve (11), a first threaded screw (12), and a second threaded screw (13). The threaded sleeve (10) is fixedly installed on one side of the base (1) by a bracket. The threaded sleeve (10) has a set of threads at both ends inside, and the threaded sleeve (10) also has a set of grooves at both ends near the threads. The threaded sleeve (10) has a set of sleeves (11) fitted at both ends, and a first threaded screw (12) and a second threaded screw (13) are fixedly installed inside the two sets of sleeves (11).

7. The polishing apparatus for machining brake drums according to claim 6, wherein The threads of the first threaded screw (12) and the second threaded screw (13) are opposite, and both the first threaded screw (12) and the second threaded screw (13) have cuts on their adjacent sides, and the cuts of the first threaded screw (12) and the second threaded screw (13) fit together.

8. The polishing apparatus for machining brake drums according to claim 6, wherein The lifting device (5) also includes a sliding fixed rod (14) and a second motor (15). The second motor (15) is fixedly installed on the side of the sleeve (11) near the first threaded screw (12), and the output shaft of the second motor (15) is fixedly installed together with the first threaded screw (12). A set of sliding fixing rods (14) are fixedly installed on both sides of the two sets of sleeves (11), and the two sets of sliding fixing rods (14) are slidably installed inside the base (1) on the side away from the sleeves (11). Each of the two sets of sliding fixed rods (14) has a set of swing arms hinged to its middle part, and the middle parts of the two sets of swing arms are hinged together. The other end of the swing arm of the two groups is hingedly installed with the bottom end of the rolling platform (4).

Images