A detachable brush for removing products with steps

Abstract

This utility model discloses a detachable brush for removing burrs from products with steps, relating to the field of powder metallurgy forming technology. It includes a base plate, an adjustable plate, multiple small brushes, and a flange. The base plate is located between the flange and the adjustable plate, and the three are connected by bolts. The flange is fixed to a rotating power head to provide rotational power. The end face of the adjustable plate has several circular mounting holes arranged in a ring. The small brushes are detachably installed in the holes and include a circular base (diameter larger than the mounting hole diameter) and axially extending bristles. The base is made of polytetrafluoroethylene plastic, and the bristles are made of nylon and fixed to the base with adhesive. The small brushes are available in different lengths and can be selected according to the step height of the product. The installation position can also be adjusted according to the end face size of the product. The base plate and the adjustable plate are made of aluminum alloy, and the flange is made of stainless steel. This brush can be adapted to various sizes of products with steps, enabling the cleaning of multiple steps in a single clamping operation, improving efficiency, reducing costs, and avoiding damage to the product surface.

Description

Technical Field

[0001] This utility model relates to the field of powder metallurgy forming technology, specifically to a detachable brush that can remove the bristles from products with steps. Background Technology

[0002] In powder metallurgy forming processes, after metal powder is pressed and sintered, burrs of varying sizes are often generated on the workpiece at complex structural parts such as steps, corners, and edges. The presence of these burrs will seriously affect the subsequent processing accuracy, assembly accuracy, performance and appearance quality of the workpiece. With the increasing demands for product quality from industrial development, efficient and reliable burr removal has become a key link in the precision manufacturing process.

[0003] Currently, for powder metallurgy products with stepped structures, traditional burr removal methods typically employ a step-by-step, tool-based approach. This involves using one tool or fixture to remove burrs from the inner stepped area, followed by a different tool to remove burrs from the outer stepped area. This step-by-step production method has significant drawbacks. First, the transitions between processes and tool changes consume considerable time, leading to low production efficiency and extended processing cycles. Second, multiple clamping and positioning operations can introduce errors, potentially damaging the already machined surface of the workpiece or resulting in incomplete burr removal, affecting the consistency and stability of product quality. Furthermore, different sizes and stepped heights require various specialized brushes or tools, increasing equipment investment and management costs for enterprises. Therefore, there is room for improvement. Utility Model Content

[0004] In order to solve the problems mentioned in the background art, this application provides a detachable brush that can remove products with steps.

[0005] This application provides a detachable brush for removing products with steps, employing the following technical solution:

[0006] A detachable brush for removing products with steps includes a base plate, an adjustable plate, multiple small brushes, and a flange. The base plate is located between the flange and the adjustable plate, and the three are connected by bolts. The flange is fixedly mounted on a rotating power head. The end face of the adjustable plate is provided with several circular mounting holes arranged in a ring. The small brushes are detachably mounted in the circular mounting holes.

[0007] By adopting the above technical solution, the device can obtain rotational power through a flange connection to a rotating power head, causing multiple small brushes mounted on an adjustable plate to rotate synchronously, cleaning the burrs on the various end faces and edges of stepped products. Through the design of the circular mounting holes arranged in a ring on the adjustable plate, the operator can flexibly select and install small brushes of different lengths and adjust the installation position and density of the small brushes according to the specific step height and end face size of the product to be processed. This modular and configurable installation method allows one brush device to adapt to a variety of stepped products of different specifications, achieving universality, reducing the time and cost of changing special tools, and ultimately significantly improving production efficiency and economy while ensuring the deburring effect.

[0008] Optionally, the small brush includes a base and bristles. The base is annular and its diameter is larger than the diameter of the circular mounting hole. The bristles are fixed to one side of the base and extend axially.

[0009] By adopting the above technical solution, the annular base of the small brush, because its diameter is larger than the mounting hole diameter on the adjustable plate, can naturally be locked above the mounting hole after installation, forming a stable and reliable axial positioning, thus eliminating the need for a complex fastening structure and realizing the simple and quick assembly and disassembly of the small brush.

[0010] Optionally, the bristles are adhered to the base plate using an adhesive.

[0011] By adopting the above technical solution, the brush bristles are firmly attached to the base plate with adhesive, forming a simple, reliable and low-cost fixing method. This connection ensures that the brush bristles can withstand a certain radial friction force during high-speed rotation and continuous contact with workpiece burrs without easily falling off the base, thus guaranteeing the service life of the brush and the stability of the deburring effect.

[0012] Optionally, the base is made of polytetrafluoroethylene plastic, and the bristles are made of nylon.

[0013] By adopting the above technical solution, the base is made of polytetrafluoroethylene plastic, which is lightweight and has an extremely low surface friction coefficient, making it smoother and more convenient to install and adjust the small brush on the adjustable plate. At the same time, it effectively reduces the rotational inertia of the entire brush device, which helps to reduce the energy consumption of the power head. Combined with the soft and tough nylon material for the bristles, the two work together to provide sufficient cutting force to effectively remove burrs when the bristles come into contact with the workpiece burrs. At the same time, because of the soft material, it will not cause excessive cutting or scratching to the relatively fragile surface of the powder metallurgy formed parts. Thus, while efficiently removing burrs, it avoids the generation of secondary damage such as cracks and gaps.

[0014] Optionally, the small brushes include short brushes and long brushes of different lengths, which are selected and installed according to the height of the step.

[0015] By adopting the above technical solution and equipping it with short and long brushes of different lengths, the operator can flexibly select and match brushes of appropriate lengths on the same mounting plane of the adjustable plate according to the specific step height difference of the product with steps. This allows the long brushes to accurately contact and clean the burrs on the deeper or higher step surfaces, while the short brushes simultaneously process the burrs on the shallower or lower step surfaces. This enables the brush device to simultaneously and efficiently complete the burr removal work on the end faces of multiple steps of different heights of the product with only one clamping and one process.

[0016] Optionally, the base plate and the adjustable plate are made of aluminum alloy, and the flange is made of stainless steel.

[0017] By adopting the above technical solutions, the base plate and adjustable plate are made of lightweight aluminum alloy, reducing the overall weight and rotational inertia of the brush device. This allows the rotating power head to operate at high speed and smoothly with lower energy consumption, while also reducing the load on the entire device, which helps improve operating accuracy and extend the equipment's lifespan. The flange, as a key component that directly connects to the rotating power head and transmits torque, is made of stainless steel with excellent strength and wear resistance, ensuring the structural strength, durability, and reliability of the connection interface under long-term assembly and disassembly and high torque transmission.

[0018] Optionally, the mounting position of the small brush on the adjustable plate can be adjusted according to the product end face size to remove burrs from products with different sizes of steps.

[0019] By adopting the above technical solution, the ring-shaped mounting holes on the adjustable plate provide a high degree of flexibility in the layout of the small brushes. This allows the operator to install the small brushes in the mounting holes at specific radial positions according to the actual size and shape of the end face of the product to be processed. Without replacing any parts, by reconfiguring the mounting combination of the small brushes, the coverage of the brush bristles can be precisely matched to the step end face of different diameters or sizes, ensuring that products of various sizes can obtain a uniform and effective burr removal effect.

[0020] In summary, this application includes at least one of the following beneficial technical effects:

[0021] 1. With its flexible mounting hole layout on the adjustable plate and small brushes of various lengths, a set of tools can be precisely adapted to step products of different heights and sizes, achieving wide versatility and reducing the number of special tools and the frequency of replacement.

[0022] 2. The modular design allows operators to quickly adjust and replace the layout of the small brushes. Combined with the application of lightweight aluminum alloy plates, the entire device is easy to adjust and highly efficient in operation. This integrates the traditional multi-step process into a one-time completion, greatly improving production efficiency and reducing energy consumption and operational complexity.

[0023] 3. The soft properties of the nylon bristles and the PTFE vinyl base, combined with a stable bonding method, effectively protect the workpiece surface while efficiently removing burrs, avoiding secondary damage. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of a detachable brush that can remove products with steps according to this utility model.

[0025] Figure 2 This is a top view of a detachable brush that can remove material from products with steps, according to the present invention.

[0026] Figure 3 This is a bottom view of a detachable brush for removing products with steps, according to the present invention.

[0027] Figure 4 This is a schematic diagram of a small brush that can remove the detachable brush from products with steps, according to the present invention.

[0028] Among them, 1. base plate; 2. adjustable plate; 20. circular mounting hole; 3. small brush; 30. base; 31. short brush; 32. long brush; 4. flange. Detailed Implementation

[0029] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0030] This application discloses a detachable brush that can remove products with steps.

[0031] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 A detachable brush for removing burrs from stepped products is used for deburring stepped metal products after powder metallurgy forming. Its structure is adaptable to products with different step heights and end face sizes, achieving efficient and universal burr cleaning.

[0032] During assembly, flange 4 is first fixedly connected to the external rotating power head, ensuring a tight fit and no looseness to guarantee the stability of subsequent power transmission. The base plate 1 is placed on the side of flange 4 away from the power head, and bolts evenly distributed along the circumference are passed through the corresponding bolt holes of the base plate 1 and flange 4 to complete the detachable fixing of the two. Then, the adjustable plate 2 is stacked on the side of base plate 1 away from flange 4, and bolts are also used to connect the adjustable plate 2 and base plate 1 through the matching holes. The bolt connection method facilitates the adjustment of the relative position of the adjustable plate 2 and base plate 1 or the disassembly and maintenance of the components according to actual needs.

[0033] The adjustable plate 2 has several concentric rings of circular mounting holes 20 arranged in a circular direction on its end face. The holes in each ring have the same diameter, and the spacing between holes in the same ring is uniform, providing a basis for the flexible assembly of the small brush 3. The small brush 3 consists of a base 30 and brush bristles. The base 30 is made of polytetrafluoroethylene plastic in a ring shape, and its outer diameter is 2-3 mm larger than the diameter of the circular mounting holes 20 on the adjustable plate 2. This allows the base 30 to directly engage with the edge of the mounting holes during assembly of the small brush 3, achieving stable positioning without the need for additional fastening structures. The brush bristles are made of soft and resilient nylon filaments, which are evenly bonded to one side of the base 30 using a high-strength adhesive. The adhesive thickness is controlled at 0.5-1 mm to ensure a firm connection between the bristles and the base 30, and that the extension direction of the bristles remains perpendicular to the plane of the base 30, i.e., extending axially, to ensure rotational stability. The brush bristles can precisely contact the product's end face. Before performing burr removal on a product with steps, the length of the small brush 3 is determined based on the step height. If the product has a high step, a long brush 32 is selected to ensure that the bristles can fully contact and clean the burr area at the top of the step. If the step is low, a short brush 31 is used to avoid the bristles being too long and interfering with adjacent low step surfaces or causing incomplete cleaning. At the same time, the installation position of the small brush 3 is reasonably planned on the adjustable plate 2 according to the diameter of the product's end face. For products with a larger end face diameter, more small brushes 3 are installed in the outer ring mounting hole area of ​​the adjustable plate 2 to expand the coverage of the bristles and ensure effective cleaning of the entire end face. For products with a smaller end face diameter, the small brushes 3 are mainly arranged in the inner ring mounting hole area of ​​the adjustable plate 2 to avoid the bristles exceeding the product range and causing ineffective wear.

[0034] During operation, the rotating power head is started. The power head drives the base plate 1, the adjustable plate 2, and the assembled small brushes 3 to rotate synchronously through the flange 4. The end face to be cleaned of the product with steps is facing the rotating small brushes 3, so that the small brushes 3 of different lengths contact the steps of different heights of the product. The cutting force generated by the nylon bristles during rotation can effectively remove burrs from the edges, corners, and edges of the steps. The lightweight characteristics of the polytetrafluoroethylene seat 30 reduce the overall rotational inertia. Combined with the aluminum alloy base plate 1 and the adjustable plate 2, the whole device operates smoothly and consumes less energy. At the same time, the softness of the nylon bristles can avoid scratching or cracking the product surface, ensuring the appearance and structural integrity of the product after cleaning.

[0035] When it is necessary to change to clean products with steps of different specifications, simply remove the small brush 3 installed on the adjustable plate 2 manually. Based on the step height and end face size of the new product, select the corresponding length of small brush 3 and adjust its installation position. There is no need to disassemble other parts such as the base plate 1 and flange 4. The whole adjustment process is quick and convenient, which greatly shortens the time for process changeover and tool replacement, effectively improves production efficiency, and one set of equipment can be adapted to multiple specifications of products, reducing the investment cost of special tools.

[0036] The implementation principle of the detachable brush for removing products with steps in this application embodiment is as follows:

[0037] Power is obtained by connecting the rotating power head through flange 4 to drive the overall rotation. Before operation, according to the product step height and end face size, small brushes 3 of different lengths are flexibly selected in the annular mounting holes of the adjustable plate 2 and their installation positions are adjusted so that the coverage of the brush bristles accurately matches the product contour. During operation, the rotating nylon bristles contact multiple step surfaces at the same time, using flexible cutting force to efficiently remove burrs from all edges in one go. The small brushes 3 are fixed by the base 30, making them easy to install and remove. The lightweight aluminum alloy components reduce the moment of inertia, while the soft bristles and substrate effectively protect the workpiece surface. This device achieves the goal of quickly adapting to different products and completing multi-step efficient cleaning in a single clamping.

[0038] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A detachable brush for removable stepped products, characterized by: The device includes a base plate (1), an adjustable plate (2), multiple small brushes (3), and a flange (4). The base plate (1) is located between the flange (4) and the adjustable plate (2), and the three are connected by bolts. The flange (4) is fixedly installed on the rotating power head. The end face of the adjustable plate (2) is provided with several circular mounting holes (20) arranged in a ring. The small brushes (3) are detachably installed in the circular mounting holes (20). The small brushes (3) include short brushes (31) and long brushes (32) of different lengths, and are selected for installation according to the height of the step.

2. A detachable brush for removable stepped products according to claim 1, characterized in that: The small brush (3) includes a base (30) and bristles. The base (30) is annular and its diameter is larger than the diameter of the circular mounting hole (20). The bristles are fixed to one side of the base (30) and extend axially.

3. A detachable brush for removable stepped products according to claim 2, characterized in that: The bristles are attached to the base (30) plate by an adhesive.

4. The detachable brush of the removable stepped product of claim 2, wherein: The base (30) is made of polytetrafluoroethylene plastic, and the bristles are made of nylon.

5. A detachable brush for removing products with steps according to claim 1, characterized in that: The base plate (1) and the adjustable plate (2) are made of aluminum alloy, and the flange (4) is made of stainless steel.

6. The detachable brush of the removable stepped product of claim 1, wherein: The mounting position of the small brush (3) on the adjustable plate (2) is adjusted according to the product end face size to remove burrs from products with different sizes of steps.

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