Cell phone case polishing device

Abstract

The utility model belongs to the technical field of cell phone shell processing, disclose a cell phone shell polishing device, including setting up in the motor, disk, stainless steel bar, polishing bucket in the casing, the output shaft of motor installs disk, sets up polishing bucket above disk, installs sound absorption board on the outer wall of polishing bucket, is provided with sound absorption hole on sound absorption board, installs the damping foot pad of shock absorption of casing bottom surface, sets up the polishing convex on the inner wall of polishing bucket, the inner wall of polishing bucket sprays lubricating layer, sets up gland on the top edge of polishing bucket, sets up sealing groove on the bottom surface of gland, sets up sealing strip in sealing groove, sets up sealing concave on sealing strip, sealing concave holds the top edge of polishing bucket, sets up air hole on the gland, sets up stainless steel bar in polishing bucket. The utility model effectively reduces the noise, and the structure is relatively simple, and the polishing operation is convenient.

Description

Technical Field

[0001] This utility model belongs to the field of mobile phone casing processing technology, specifically relating to a mobile phone casing polishing device. Background Technology

[0002] Magnetic polishing machines utilize powerful electromagnetic force to conduct fine stainless steel grinding rods, creating high-speed flow and turning motions. This friction against the inner holes and surfaces of workpieces achieves precision grinding effects such as polishing, cleaning, and deburring. However, magnetic polishing machines generate significant noise when polishing mobile phone casings. Prolonged exposure to this environment may lead to hearing loss or even hearing damage.

[0003] Reference CN107717702A discloses a mobile phone casing polishing mechanism, including: a worktable, a conveyor rotary table rotatably mounted on the worktable, a casing polishing device mounted on one side of the conveyor rotary table, and a CCD detection device mounted above the conveyor rotary table. The casing polishing device includes: a polishing mounting bracket, a polishing lifting plate, a lifting drive unit, a polishing rotating shaft, a rotation drive unit, a first polishing wheel, and a second polishing wheel. The lifting drive unit drives the polishing lifting plate to move up and down on the polishing mounting bracket. The polishing rotating shaft is rotatably mounted on the polishing lifting plate. The rotation drive unit is connected to the polishing rotating shaft via a synchronous belt. The first and second polishing wheels are symmetrically mounted at both ends of the polishing rotating shaft. Although this improves the pass rate of polishing, the structure is relatively complex, and the polishing operation is cumbersome. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a mobile phone shell polishing device that effectively reduces noise, has a relatively simple structure, and is convenient to polish.

[0005] To solve the above technical problems, this utility model provides a mobile phone casing polishing device, including a motor, a disk, a stainless steel rod, and a polishing barrel disposed inside the casing. The disk is installed on the output shaft of the motor, and the polishing barrel is disposed above the disk. A sound-absorbing plate is installed on the outer wall of the polishing barrel, and the sound-absorbing plate is provided with sound-absorbing holes. Vibration-damping pads are installed on the bottom surface of the casing. Grinding protrusions are provided on the inner wall of the polishing barrel. A lubricating layer is sprayed on the inner wall of the polishing barrel. A pressure cap is provided on the top edge of the polishing barrel, and a sealing groove is provided on the bottom surface of the pressure cap. A sealing strip is provided in the sealing groove, and a sealing recess is provided on the sealing strip. The sealing recess locks the top edge of the polishing barrel. Air holes are provided on the pressure cap, and a stainless steel rod is disposed inside the polishing barrel.

[0006] By adopting the above technical solution, the stainless steel rod is rotated by a motor-driven disk. Under the action of the polishing protrusions on the inner wall of the polishing barrel, the stainless steel rod and the mobile phone shell produce more efficient collision friction. The noise generated during the polishing process will enter the sound-absorbing plate through the sound-absorbing holes. The sound-absorbing plate absorbs the noise, effectively reducing the noise generated during polishing and reducing hearing damage. The structure is relatively simple and the polishing operation is convenient.

[0007] Preferably, the lubricating layer is a graphite lubricating layer.

[0008] By adopting the above technical solution, the graphite lubricating layer can reduce the friction between the stainless steel rod and the inner wall of the polishing barrel, reduce friction noise, and reduce energy consumption and equipment wear.

[0009] Preferably, the polished protrusions are multiple and evenly distributed.

[0010] By adopting the above technical solution, multiple polishing protrusions can significantly increase the contact points between the stainless steel rod and the workpiece surface, making the polishing process more efficient.

[0011] Preferably, the cross-section of the polished protrusion is conical, and the apex of the cone is rounded.

[0012] By adopting the above technical solution, the conical polishing protrusion can better adapt to the curved structure of the mobile phone shell, which helps to make the stainless steel rod form a more uniform contact and friction with the surface of the mobile phone shell, and more effectively remove burrs, oxide layers and other defects, thereby improving polishing efficiency and quality.

[0013] Preferably, the stainless steel rod has a diameter of Φ0.2mm-Φ1.5mm and a length of 3mm-5mm.

[0014] By adopting the above technical solutions, grinding efficiency can be improved while avoiding excessive wear or scratches on the shell surface.

[0015] Preferably, the sound-absorbing holes are round or square.

[0016] By adopting the above technical solution, the processing of round holes is convenient. For the same area, square holes can be arranged more densely than round holes, achieving a higher open area ratio, thereby increasing the contact area between sound waves and the sound-absorbing material, resulting in high sound absorption efficiency.

[0017] Preferably, the motor and the external PLC controller are electrically connected.

[0018] By adopting the above technical solution, the rotation speed and polishing time can be automatically adjusted according to the workpiece shape and surface condition.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] 1. This utility model uses a motor to drive a disk, which rotates a stainless steel rod. Under the action of the polishing protrusions on the inner wall of the polishing barrel, the stainless steel rod and the mobile phone casing produce more efficient collision and friction. The noise generated during the polishing process will enter the sound-absorbing plate through the sound-absorbing holes, and the sound-absorbing plate will absorb the noise, effectively reducing the noise generated during polishing and reducing hearing damage. The structure is relatively simple and the polishing operation is convenient.

[0021] 2. The graphite lubricating layer of this utility model can reduce the friction between the stainless steel rod and the inner wall of the polishing barrel, reduce friction noise, and reduce energy consumption and equipment wear.

[0022] 3. The conical polishing protrusion of this utility model can better adapt to the curved surface structure of the mobile phone shell, which helps to make the stainless steel rod form a more uniform contact and friction with the surface of the mobile phone shell, and more effectively remove burrs, oxide layers and other defects, thereby improving polishing efficiency and quality. Attached Figure Description

[0023] Figure 1 This is a structural diagram of the present utility model;

[0024] Figure 2 This is a schematic diagram of the sound-absorbing panel of this utility model;

[0025] Figure 3 This is a schematic diagram of the pressure cap of this utility model;

[0026] Figure 4 A schematic diagram showing the polishing protrusions inside the polishing barrel of this utility model.

[0027] Drawing numbers: 1. Housing, 2. Motor, 3. Disk, 4. Stainless steel rod, 5. Polishing barrel, 6. Sound-absorbing plate, 7. Sound-absorbing hole, 8. Vibration-damping pad, 9. Grinding protrusion, 10. Lubricating layer, 11. Pressure cap, 12. Sealing groove, 13. Sealing strip, 14. Sealing recess, 15. Air hole, 16. Mounting ring. Detailed Implementation

[0028] like Figure 1 As shown, the mobile phone casing polishing device includes a motor 2, a disk 3, a stainless steel rod 4, and a polishing barrel 5, all housed within the casing 1. The casing 1 has a mounting ring 16 for mounting the polishing barrel 5. The disk 3 is mounted on the output shaft of the motor 2, and the polishing barrel 5 is positioned above the disk 3. A sound-absorbing plate 6 is mounted on the outer wall of the polishing barrel 5. Figure 2 As shown, the sound-absorbing panel 6 has sound-absorbing holes 7, and the sound-absorbing panel 6 is formed by opening the sound-absorbing holes 7 on a single piece of panel and then surrounding it. Vibration-damping pads 8 are installed on the bottom surface of the housing 1. The vibration-damping pads 8 are made of nitrile rubber or neoprene rubber. The inner wall of the polishing barrel 5 has grinding protrusions 9; the inner wall of the polishing barrel 5 is coated with a lubricating layer 10, and a pressure cap 11 is installed on the top edge of the polishing barrel 5. (See figure) Figure 3As shown, a sealing groove 12 is provided on the bottom surface of the pressure cap 11, a sealing strip 13 is provided in the sealing groove 12, and a sealing recess 14 is provided on the sealing strip 13. The sealing recess 14 locks the top edge of the polishing barrel 5. An air hole 15 is provided on the pressure cap 11, and a stainless steel rod 4 is provided inside the polishing barrel 5. In this application, the motor 2 drives the disk 3 to rotate, and the disk 3 drives the stainless steel rod 4 to rotate. Under the action of the polishing protrusion 9 on the inner wall of the polishing barrel 5, the stainless steel rod 4 and the mobile phone shell produce more efficient collision friction. The noise generated during the polishing process will enter the sound-absorbing plate 6 through the sound-absorbing hole 7. The sound-absorbing plate 6 absorbs the noise, effectively reducing the noise generated during polishing, reducing hearing damage, and the structure is relatively simple and the polishing operation is convenient.

[0029] like Figure 4 As shown, the lubrication layer 10 is a graphite lubrication layer 10. The graphite lubrication layer 10 can reduce the friction between the stainless steel rod 4 and the inner wall of the polishing barrel 5, reduce friction noise, and reduce energy consumption and equipment wear.

[0030] The polishing protrusions 9 are multiple and evenly distributed. Multiple polishing protrusions 9 can significantly increase the contact points between the stainless steel rod 4 and the workpiece surface, making the polishing process more efficient.

[0031] The cross-section of the polishing protrusion 9 is conical, with the apex of the cone rounded. The conical shape of the polishing protrusion 9 can better adapt to the curved surface structure of the mobile phone shell. During the polishing process, its shape helps to make the stainless steel rod 4 form a more uniform contact and friction with the surface of the mobile phone shell, more effectively removing burrs, oxide layers and other defects, and improving polishing efficiency and quality.

[0032] The stainless steel rod 4 has a diameter of Φ0.2mm-Φ1.5mm and a length of 3mm-5mm, which improves grinding efficiency while avoiding excessive wear or scratches on the outer shell surface.

[0033] The sound-absorbing holes 7 can be round or square. Round holes are easier to process. Square holes can be arranged more closely within the same area, achieving a higher open area ratio compared to round holes, thus increasing the contact area between sound waves and the sound-absorbing material, resulting in higher sound absorption efficiency.

[0034] Motor 2 is electrically connected to an external PLC controller, which automatically adjusts the speed and polishing time according to the shape and surface condition of the workpiece to achieve a better polishing effect for the mobile phone casing.

[0035] During operation, the stainless steel rod 4 is placed into the polishing barrel 5, along with the phone casing to be polished. The motor 2 is then turned on, driving the disk 3 to rotate, which in turn rotates the stainless steel rod 4 within the barrel 5. This causes collisions and friction between the stainless steel rod 4 and the phone casing, as well as between the phone casing and the inner wall of the polishing barrel 5. The polishing protrusions 9 on the inner wall of the polishing barrel 5 increase the probability of collision between the phone casing and the stainless steel rod 4, resulting in more effective polishing of the phone casing. The lubricating layer 10 sprayed on the inner wall of the polishing barrel 5 helps reduce frictional resistance between components, making the movement of the stainless steel rod 4 and the phone casing smoother, while also providing some protection against excessive wear. Noise generated during polishing enters the sound-absorbing plate 6 through the sound-absorbing holes 7, absorbing the noise and reducing operating noise. The vibration-damping pads 8 installed on the bottom of the casing 1 absorb vibrations generated during operation, reducing vibration noise and ensuring the stability of the device. The air holes 15 on the pressure cap 11 balance the air pressure inside and outside the polishing barrel 5, ensuring normal operation of the device. The PLC is electrically connected to the motor 2, and transmits control commands to the motor 2 to adjust the speed and operating status of the motor 2, thereby controlling the movement speed and force of the stainless steel rod 4 to achieve a better polishing effect for the mobile phone casing.

[0036] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments. Without departing from the stated principles, the implementation of the present invention may have any variations or modifications.

Claims

1. A mobile phone shell polishing device, comprising a motor (2), a magnetic disk (3), a stainless steel rod (4) and a polishing barrel (5) arranged in a shell (1), the magnetic disk (3) is installed on the output shaft of the motor (2), and the polishing barrel (5) is arranged above the magnetic disk (3), characterized in that: The outer wall of the polishing barrel (5) is fitted with a sound-absorbing plate (6), and the sound-absorbing plate (6) is provided with sound-absorbing holes (7). The bottom surface of the shell (1) is fitted with vibration damping pads (8). The inner wall of the polishing barrel (5) is provided with polishing protrusions (9). The inner wall of the polishing barrel (5) is coated with a lubricating layer (10). A pressure cap (11) is provided on the top edge of the polishing barrel (5). A sealing groove (12) is provided on the bottom surface of the pressure cap (11). A sealing strip (13) is provided in the sealing groove (12). A sealing recess (14) is provided on the sealing strip (13). The sealing recess (14) is stuck on the top edge of the polishing barrel (5). An air hole (15) is provided on the pressure cap (11). A stainless steel rod (4) is provided inside the polishing barrel (5). ​ 2. The mobile phone casing polishing apparatus according to claim 1, characterized in that: The lubricating layer (10) is a graphite lubricating layer (10).

3. The mobile phone casing polishing apparatus according to claim 1, characterized in that: The polishing protrusions (9) are multiple and evenly distributed.

4. The mobile phone casing polishing apparatus according to claim 1, characterized in that: The cross-section of the polishing protrusion (9) is conical, and the apex of the cone is rounded.

5. The mobile phone casing polishing apparatus according to claim 1, characterized in that: The stainless steel rod (4) has a diameter of Φ0.2mm-Φ1.5mm and a length of 3mm-5mm.

6. The mobile phone casing polishing apparatus according to claim 1, characterized in that: The sound-absorbing hole (7) is a round hole or a square hole.

7. The mobile phone casing polishing apparatus according to claim 1, characterized in that: The motor (2) is electrically connected to the external PLC controller.

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