A bearing steel ball polishing and scrap removing device

Abstract

The utility model relates to metal processing equipment technical field especially relates to a bearing steel ball polishing scrap removing device, including support frame, the support frame bottom is installed with universal wheel, the support frame center position is fixed with fixed cylinder, the fixed cylinder inside rotation is installed with polishing rotary drum, the polishing rotary drum is cylindrical structure, the support frame lower part is installed with motor. Through setting up filter screen and collecting cylinder structure in the polishing rotary drum bottom, can utilize centrifugal force to separate out metal scrap in the polishing process, and through filter screen falls into the collecting cylinder, realizes the automatic collection of scrap, avoids the accumulation of scrap to influence polishing effect, improves the steel ball surface finish and consistency.

Description

Technical Field

[0001] This utility model relates to the field of metal processing equipment technology, and in particular to a polishing and chip removal device for bearing steel balls. Background Technology

[0002] In the manufacturing process of precision bearings, steel balls are one of the core components, and their surface quality directly affects the bearing's operating accuracy, wear resistance, and service life. Therefore, steel balls usually need to be polished after forming to remove surface burrs, oxide scale, and other minor defects, thereby improving their smoothness and roundness.

[0003] Patent CN222520937U discloses a polishing device for producing bearing steel balls. This device uses a motor to drive a screw to rotate, causing a moving plate to slide along a limiting rod. A push rod then drives a push plate to reciprocate within the discharge port, preventing steel balls and abrasive from clogging the discharge port and ensuring smooth discharge. Although the device has optimized its discharge structure and improved discharge efficiency, it still has some shortcomings in practical application. The device lacks a structure for separating metal debris, resulting in debris generated during polishing not being removed promptly and easily mixing with steel balls and abrasive, affecting subsequent separation efficiency and polishing quality. Furthermore, after polishing, manual sieving of abrasive and debris is still required, which is labor-intensive, inefficient, and increases cleaning costs.

[0004] Therefore, there is an urgent need to provide a bearing steel ball polishing chip removal device that can automatically separate and collect chips during the polishing process. Utility Model Content

[0005] In order to overcome the shortcomings of existing polishing devices, such as the lack of effective chip separation and collection functions, which leads to the mixing of chips and abrasives and easily causes secondary damage to the surface of the steel ball, and the need for manual sieving of chips and abrasives after polishing, which increases cleaning costs, this utility model provides a bearing steel ball polishing chip removal device that can realize automatic separation and collection of chips during the polishing process.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: a bearing steel ball polishing and chip removal device, comprising a support frame, universal wheels mounted at the bottom of the support frame, a fixed cylinder fixedly mounted at the center of the support frame, a grinding drum rotatably mounted inside the fixed cylinder, a motor mounted at the lower part of the support frame, the output shaft of the motor connected to the bottom end of the grinding drum, two circular holes at the bottom of the grinding drum, a blocking block inserted into the left circular hole with a U-shaped handle at the bottom of the blocking block, and a filter screen inserted into the right circular hole with a threaded collection cylinder at the bottom of the filter screen.

[0007] Furthermore, an observation plate is embedded in the outer wall of the collection cylinder.

[0008] Furthermore, the U-shaped grip is covered with an anti-slip sleeve.

[0009] Furthermore, a rodless cylinder arranged vertically is installed on the side of the fixed cylinder, and a movable plate is provided on the slider of the rodless cylinder. A stirring plate is fixedly connected to the lower end of the movable plate, and the stirring plate is located inside the grinding cylinder.

[0010] Furthermore, the fixed cylinder is fixedly connected to a symmetrically distributed fixed shaft, and a cover is rotatably provided on each fixed shaft. The cover is located at the top of the grinding cylinder, and a pull plate is fixedly connected to the top of the cover.

[0011] Furthermore, a damping ring is fitted at the rotatable connection between the shielding cover and the fixed shaft.

[0012] Compared with the prior art, the present invention has the following technical effects: 1. By setting a filter screen and a collection cylinder structure at the bottom of the grinding drum, the metal debris can be separated by centrifugal force during the polishing process and fall into the collection cylinder through the filter screen, thereby realizing the automatic collection of debris, avoiding the accumulation of debris from affecting the polishing effect, and improving the surface smoothness and consistency of the steel ball.

[0013] 2. The stirring plate is driven up and down by a rodless cylinder, which can disturb the steel balls and polishing sand during the polishing process, making them more evenly distributed, avoiding local accumulation or insufficient friction, thereby improving polishing efficiency and surface quality.

[0014] 3. By installing a shielding cover structure at the top opening of the grinding drum, the top of the drum is sealed during the polishing process, which effectively prevents steel balls or polishing sand from splashing due to centrifugal force during high-speed rotation, ensuring the safety of operators and improving the working environment. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional sectional view of the support frame, casters, and grinding drum of this utility model.

[0017] Figure 3 This is a three-dimensional sectional view of the filter screen, collection cylinder, and observation plate components of this utility model.

[0018] Figure 4 This is a three-dimensional sectional view of the rodless cylinder, moving plate, and stirring plate components of this utility model.

[0019] Figure 5This is a three-dimensional sectional view of the components of this utility model, such as the fixed shaft, the cover, and the pull plate.

[0020] Reference numerals: 1: Support frame, 101: Caster wheel, 2: Fixed cylinder, 3: Grinding drum, 4: Motor, 5: Blocking block, 6: U-shaped handle, 7: Filter screen, 8: Collection cylinder, 9: Observation plate, 10: Anti-slip sleeve, 11: Rodless cylinder, 12: Slider, 13: Moving plate, 14: Stirring plate, 15: Fixed shaft, 16: Cover, 17: Pull plate, 18: Damping ring. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1: Please refer to Figures 1-3 A bearing steel ball polishing and chip removal device includes a support frame 1, four casters 101 mounted on the bottom of the support frame 1, a fixed cylinder 2 fixedly mounted at the center of the support frame 1, and a grinding cylinder 3 rotatably mounted inside the fixed cylinder 2. The grinding cylinder 3 is a cylindrical structure used to hold the bearing steel balls to be polished and polishing abrasive. A motor 4 is mounted on the lower part of the support frame 1, and the output shaft of the motor 4 is connected to the bottom end of the grinding cylinder 3 to drive the grinding cylinder 3 to rotate at high speed around its own axis. The bottom of the grinding cylinder 3 has two circular holes, left and right, for loading and unloading workpieces and chip removal, respectively. A blocking block 5 is inserted inside the left circular hole, and a U-shaped handle 6 is provided at the bottom of the blocking block 5. An anti-slip sleeve 10 is fitted on the outside of the U-shaped handle 6. The anti-slip sleeve 10 is made of flexible materials such as rubber or silicone, providing good anti-slip performance and grip comfort. A filter screen 7 is installed inside the round hole on the right side. The mesh size of the filter screen 7 is larger than the metal debris generated during polishing, but smaller than the size of the bearing steel balls and polishing abrasive grains, allowing debris to pass through the filter screen 7 while the steel balls and abrasive grains are trapped inside the polishing drum 3. A collection cylinder 8 is threaded at the bottom of the filter screen 7 to receive and collect the debris that passes through the filter screen 7, realizing an automatic chip removal function during the polishing process. An observation plate 9 is embedded in the outer wall of the collection cylinder 8, allowing operators to observe the accumulation of debris inside in real time without disassembling the collection cylinder 8, and determine whether cleaning is necessary, thereby improving equipment maintenance efficiency and operational convenience.

[0023] When using this device, the bearing steel balls to be polished are mixed with polishing sand and poured into the grinding drum 3. Then, the motor 4 is started, and the motor 4 drives the grinding drum 3 to rotate at high speed inside the fixed drum 2. Under the action of centrifugal force, the steel balls and polishing sand are in close contact with the inner wall of the grinding drum 3 and make circular motions, achieving surface polishing through mutual friction. During this process, fine metal debris is continuously shed from the surface of the steel balls. Due to the small particle size of the debris, it gradually moves to the right chip discharge port under the action of centrifugal force and falls through the filter screen 7 into the collection drum 8 below. However, the larger steel balls and polishing sand cannot pass through the filter screen 7 and remain inside the grinding drum 3 to continue participating in the polishing process. After polishing is completed, the operator can unscrew the collection drum 8 to collect and dispose of the debris to avoid environmental pollution. If it is necessary to remove the steel balls and remaining polishing sand, the machine can be stopped and the left-side blockage block 5 can be pulled out to pour the material out of the grinding drum 3, completing the entire polishing and chip removal process.

[0024] Example 2: Based on Example 1, please refer to... Figure 4 The fixed cylinder 2 is equipped with a vertically arranged rodless cylinder 11 on its side. A movable plate 13 is provided on the slider 12 of the rodless cylinder 11. A stirring plate 14 is fixedly connected to the lower end of the movable plate 13. The stirring plate 14 is located inside the grinding cylinder 3. The stirring plate 14 is driven by the rodless cylinder 11 to move up and down to stir the bearing steel balls and polishing sand.

[0025] During the polishing process, the rodless cylinder 11 is activated, driving the slider 12 to move up and down, causing the moving plate 13 to drive the stirring plate 14 to reciprocate up and down, stirring the steel ball and polishing sand, making the material distribution more uniform and avoiding local accumulation or insufficient friction.

[0026] Please see Figure 5 The fixed cylinder 2 is fixedly connected to a symmetrically distributed fixed shaft 15 on its rear side. Each fixed shaft 15 is rotatably equipped with a cover 16. The cover 16 is located at the top of the grinding cylinder 3 and is used to close the top of the grinding cylinder 3 when it is not loaded to prevent steel balls or polishing sand from splashing during the polishing process. The top of the cover 16 is fixedly connected to a pull plate 17, which makes it easy for the operator to manually open or close the cover 16. A damping ring 18 is sleeved at the rotatable connection between the cover 16 and the fixed shaft 15 to adjust the damping force when the cover 16 rotates, which can effectively control the movement speed and stability of the cover 16 during the opening and closing process.

[0027] During the loading stage, the operator pulls the plate 17 outward to rotate it around the fixed shaft 15 and pours the steel balls to be polished and polishing sand into the grinding drum 3. After loading, the operator pulls the plate 17 inward to close the cover 16 and cover the top opening of the grinding drum 3, forming a closed space. During the polishing process, the cover 16 prevents the high-speed rotating steel balls and polishing sand from splashing due to centrifugal force, thus improving operational safety. After polishing, the cover 16 can be opened again by pulling the plate 17 for cleaning or maintenance operations.

[0028] Although this disclosure has been shown and described with reference to specific exemplary embodiments thereof, those skilled in the art will understand that various changes in form and detail may be made to this disclosure without departing from the spirit and scope of the disclosure as defined by the appended claims and their equivalents. Therefore, the scope of this disclosure should not be limited to the above embodiments, but should be defined not only by the appended claims, but also by their equivalents.

Claims

1. A bearing steel ball polishing and chip removal device, comprising a support frame (1), a caster wheel (101) mounted on the bottom of the support frame (1), a fixed cylinder (2) fixedly mounted at the center of the support frame (1), a grinding cylinder (3) rotatably mounted inside the fixed cylinder (2), a motor (4) mounted on the lower part of the support frame (1), the output shaft of the motor (4) being connected to the bottom end of the grinding cylinder (3), and two circular holes, left and right, being opened at the bottom of the grinding cylinder (3). The left circular hole is filled with a blocking block (5), and the bottom of the blocking block (5) is provided with a U-shaped handle (6). The feature is that the right circular hole is provided with a filter screen (7), and the bottom of the filter screen (7) is provided with a collection cylinder (8) in a threaded manner.

2. The bearing steel ball polishing and chip removal device according to claim 1, characterized in that: An observation plate (9) is embedded in the outer wall of the collection cylinder (8).

3. A bearing steel ball polishing and chip removal device according to claim 2, characterized in that: The U-shaped grip (6) is covered with an anti-slip sleeve (10).

4. A bearing steel ball polishing and chip removal device according to claim 3, characterized in that: A rodless cylinder (11) is mounted vertically on the side of the fixed cylinder (2). A movable plate (13) is provided on the slider (12) of the rodless cylinder (11). A stirring plate (14) is fixedly connected to the lower end of the movable plate (13). The stirring plate (14) is located inside the grinding drum (3).

5. A bearing steel ball polishing and chip removal device according to claim 4, characterized in that: The fixed cylinder (2) is fixedly connected to a symmetrically distributed fixed shaft (15) on its rear side. Each fixed shaft (15) is rotatably provided with a cover (16). The cover (16) is located on the top of the grinding cylinder (3). A pull plate (17) is fixedly connected to the top of the cover (16).

6. A bearing steel ball polishing and chip removal device according to claim 5, characterized in that: A damping ring (18) is fitted at the rotatable connection between the shielding cover (16) and the fixed shaft (15).

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