Automatic grinding device and method for display screen support production

Abstract

The invention relates to the technical field of grinding equipment, in particular to an automatic grinding device and method for display screen support production. The automatic grinding device comprises a rack, a conveying belt is installed on the rack, a plurality of positioning seats are fixedly connected to the conveying belt, an isolation hood is arranged on the rack in a sliding fit mode, and an anti-blocking mechanism is rotatably connected to the inner wall of the bottom end of the isolation hood; an air injection seat is rotatably connected to the inner wall of the upper end of the isolation cover in a penetrating mode, a rotating seat is fixedly connected to the outer wall of the bottom end of the air injection seat, a transmission mechanism is fixedly connected to the rotating seat, and a grinding roller is arranged on one side of the transmission mechanism. When the support is assembled, the fan blades in the air injection base can be driven to rotate, so that the scrap blowing insertion pipe blows out air with the high flow speed, metal scraps falling into the support from the holes can be automatically discharged, the cleanliness of the interior is kept, and the follow-up assembly smoothness of the support and the structural stability in the using process are guaranteed.

Description

Technical Field

[0001] This invention relates to the field of polishing equipment technology, and in particular to an automated polishing device and method for the production of display screen brackets. Background Technology

[0002] A display stand is a structural component used to support and secure display devices (such as televisions, computer monitors, billboards, etc.). Its design and function are diverse, aiming to improve the stability, adjustability, and overall aesthetics of the display screen.

[0003] The prior art publication CN108284356B provides a grinding device. After the round tube is ground and conveyed out of the positioning groove, the positioning table moves upward under the action of the spring force because it loses the squeezing force of the round tube. This causes the pull rod to move upward, and the pull rod moves upward so that the support plate gradually returns to its original position under the action of the tension spring. The round tube at the bottom of the feeding tube loses the support of the support plate and falls into the positioning groove for grinding. This realizes the automatic discharge and grinding of the round tube.

[0004] Existing technologies enable automated unloading and grinding of round tubes. However, when grinding display screen brackets with bases, the design includes multiple holes for connection with other structures. This results in metal shavings falling into the bracket's interior through these holes. Existing technologies do not readily address these shavings, leading to contamination during subsequent production or assembly, affecting the product's appearance and quality. Furthermore, the shavings may interfere with the assembly of other components, causing improper assembly and gap issues, ultimately impacting the overall structural strength and safety.

[0005] In summary, the existing technology lacks a technology for internal automatic chip removal when polishing display brackets with holes. Summary of the Invention

[0006] The purpose of this invention is to address the shortcomings of the prior art by proposing an automated grinding device and method for the production of display screen brackets.

[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows: an automated grinding device for the production of display screen brackets, comprising a frame, a conveyor belt mounted on the frame, a plurality of positioning seats fixedly connected to the conveyor belt, an isolation cover slidably mounted on the frame, an anti-blocking mechanism rotatably connected to the inner wall of the bottom end of the isolation cover, an air jet seat rotatably connected through the inner wall of the upper end of the isolation cover, a rotating seat fixedly connected to the outer wall of the bottom end of the air jet seat, a transmission mechanism fixedly connected to the rotating seat, and a grinding roller mounted on one side of the transmission mechanism.

[0008] Preferably, the positioning seat has a positioning groove, and the inner wall of the positioning groove is fixedly connected with a plurality of electric actuators in an annular structure. The output end of the electric actuator is fixedly connected with a bracket positioning block, and the top of the positioning seat is set in a conical structure.

[0009] Preferably, a hydraulic rod is fixedly connected to one side of the isolation cover, and the hydraulic rod is fixedly connected to the frame. A chip-collecting ring groove is opened on the inner wall of the bottom end of the isolation cover. Multiple arc-shaped filter screens are fixedly connected to the bottom opening of the chip-collecting ring groove. The bottom opening of the isolation cover is slidably fitted with the outer wall of the positioning seat. A material receiving cylinder is threadedly connected to one side of the chip-collecting ring groove.

[0010] Preferably, the anti-clogging mechanism includes a toothed ring, which is rotatably connected to the inner wall of the isolation cover. A scraper is fixedly connected to the bottom of the toothed ring, and the scraper is slidably in contact with the chip collection groove and the arc-shaped filter screen. An adjusting wheel is meshed and driven on one side of the toothed ring, and the adjusting wheel is rotatably connected to the outer wall of the isolation cover. A spiral rod is slidably fitted in the middle of the adjusting wheel, and one end of the spiral rod is fixedly connected to the frame.

[0011] Preferably, the inner wall of the jet seat is rotatably connected with a fan blade, the outer wall of the jet seat is rotatably connected with multiple rollers in an annular structure, the top of the isolation cover is fixedly connected with an annular guide rail, the outer wall of the rollers is slidably engaged with the inner wall of the annular guide rail, and the bottom of the jet seat is fixedly connected with a chip removal tube.

[0012] Preferably, the transmission mechanism includes a motor, which is fixedly connected to the rotating seat. A transmission rod is fixedly connected to the output end of the motor. The other end of the transmission rod extends into the jet seat and is fixedly connected to a universal joint. The other end of the universal joint is fixedly connected to the fan blade. A drive wheel is fixedly connected to one end of the transmission rod.

[0013] Preferably, a drive wheel is engaged with one side of the drive wheel, a universal joint two is fixedly connected to the drive wheel, the universal joint two is rotatably connected to the rotating seat, a driven wheel is fixedly connected to the other end of the universal joint two, and an annular rack is fixedly connected to the inner wall of the isolation cover, the driven wheel and the annular rack are engaged in a transmission configuration.

[0014] Preferably, a slide block is rotatably connected through the top of the grinding roller, an electric actuator is fixedly connected to one end of the slide block, one end of the electric actuator is fixedly connected to the rotating seat, a gear is rotatably connected through the slide block, the inner wall of the gear is slidably engaged with the outer wall of the transmission rod, and a gear is fixedly connected to the top of the grinding roller, the gear and gear 1 meshing and transmitting power.

[0015] A method for using an automated grinding device for display screen bracket production includes the following steps: S1. When the bracket needs to be polished, first place the bracket with the base on the positioning seat, and then use the conveyor belt to move it to the bottom of the isolation cover. S2. Then the isolation cover moves down and covers the positioning seat, so that the grinding roller contacts the surface of the bracket. Through the transmission mechanism, the grinding roller can rotate on its own axis and rotate around to achieve grinding of the surface of the bracket. S3. While the transmission mechanism drives the grinding roller, it enables the jet seat to draw air from the outside into the isolation cover, blowing out the metal chips that fall into the bracket. S4. After grinding is completed, the isolation cover is moved upward. At this time, the anti-blocking mechanism can follow the movement and collect the metal shavings filtered at the bottom of the isolation cover.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. By setting up an air jet seat and a chip blowing tube, when grinding the outer wall of the perforated bracket, the chip blowing tube can be inserted into the bracket. While the transmission mechanism drives the grinding roller to rotate for grinding, it can also drive the fan blades in the air jet seat to rotate, so that the chip blowing tube blows out air at a relatively high flow rate, which can automatically discharge the metal chips that fall into the bracket from the holes, so as to keep the inside clean and ensure the smooth assembly of the bracket and the stability of the structure during use. 2. By setting up an isolation cover, an arc-shaped filter, and an anti-clogging mechanism, when the support is being polished, the isolation cover can cover the positioning seat, confining the debris generated during the polishing process within the coverage area and preventing it from scattering everywhere. At the same time, in conjunction with the arc-shaped filter, the debris generated during polishing can be collected more efficiently, reducing cleaning work. During the up and down movement of the isolation cover, under the action of the spiral rod, the scraper can make a circular motion, pushing the debris on the arc-shaped filter into the receiving cylinder, making the debris collection process more automated, reducing manual intervention, and improving work efficiency. 3. By setting a positioning seat, it is convenient to position the bracket with the base, reducing uneven grinding caused by positional deviation, improving the overall quality and consistency of the product. At the same time, in conjunction with the transmission mechanism, the coordinated work of the grinding roller, fan blade and driven wheel can realize fully automated grinding, reduce manual intervention, improve production efficiency, and reduce labor costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an automated grinding device and method for producing display screen brackets according to the present invention. Figure 2 This is a partial cross-sectional view of the overall structure of an automated grinding device and method for producing display screen brackets according to the present invention. Figure 3 This is a schematic diagram of the positioning seat structure of an automated grinding device and method for display screen bracket production according to the present invention. Figure 4 This is a partial cross-sectional view of the isolation cover and other structures of an automated grinding device and method for producing display screen brackets according to the present invention. Figure 5 This is a schematic diagram of the anti-blocking mechanism structure of an automated grinding device and method for display screen bracket production according to the present invention; Figure 6 This is a partial cross-sectional schematic diagram of the air jet seat and other structures of an automated grinding device and method for producing display screen brackets according to the present invention. Figure 7 This is a schematic diagram of the transmission mechanism structure of an automated grinding device and method for display screen bracket production according to the present invention. Figure 8 This is a schematic diagram of the grinding roller structure of an automated grinding device and method for producing display screen brackets according to the present invention.

[0018] The diagram shows: 1. Frame; 2. Conveyor belt; 3. Positioning seat; 4. Isolation cover; 5. Anti-blocking mechanism; 6. Air jet seat; 7. Rotating seat; 8. Transmission mechanism; 9. Grinding roller; 301. Positioning groove; 302. Electric actuator; 303. Support positioning block; 401. Hydraulic rod; 402. Chip receiving ring groove; 403. Arc-shaped filter screen; 404. Material receiving cylinder; 405. Circular guide rail; 406. Circular rack; 5 01. Gear ring; 502. Scraper; 503. Adjusting wheel; 504. Spiral rod; 601. Fan blade; 602. Roller; 603. Chip blowing tube; 801. Motor; 802. Transmission rod; 803. Universal joint one; 804. Drive wheel; 805. Transmission wheel; 806. Universal joint two; 807. Driven wheel; 901. Slide; 902. Electric actuator two; 903. Gear one; 904. Gear two. Detailed Implementation

[0019] The following description is intended to disclose the invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0020] like Figures 1-8An automated grinding device and method for producing display screen brackets is shown, comprising a frame 1, a conveyor belt 2 mounted on the frame 1, a plurality of positioning seats 3 fixedly connected to the conveyor belt 2, an isolation cover 4 slidably fitted on the frame 1, an anti-blocking mechanism 5 rotatably connected to the inner wall of the bottom end of the isolation cover 4, an air jet seat 6 rotatably connected through the inner wall of the upper end of the isolation cover 4, a rotating seat 7 fixedly connected to the outer wall of the bottom end of the air jet seat 6, a transmission mechanism 8 fixedly connected to the rotating seat 7, and a grinding roller 9 on one side of the transmission mechanism 8.

[0021] Among them, frame 1 is made of Q345B alloy steel welded and formed, and stress is eliminated by annealing treatment. It has strong structural rigidity and can withstand the vibration load during the grinding process, ensuring the long-term stable operation of the equipment.

[0022] like Figure 3 As shown, a positioning groove 301 is provided on the positioning seat 3. Multiple electric actuators 302 are fixedly connected to the inner wall of the positioning groove 301 in an annular structure. A bracket positioning block 303 is fixedly connected to the output end of the electric actuator 302. The top of the positioning seat 3 is set in a conical structure.

[0023] The dimensions of the positioning groove 301 are precisely matched with the display stand base. Anti-slip rubber pads are laid in the groove. The inner side of the stand positioning block 303 is provided with an arc-shaped groove that fits tightly with the outer wall of the stand base. Polyurethane buffer pads are pasted in the groove to prevent scratches on the stand surface when clamped.

[0024] like Figure 4 As shown, a hydraulic rod 401 is fixedly connected to one side of the isolation cover 4. The hydraulic rod 401 is fixedly connected to the frame 1. A chip collecting ring groove 402 is opened on the inner wall of the bottom end of the isolation cover 4. Multiple arc-shaped filter screens 403 are fixedly connected to the bottom opening of the chip collecting ring groove 402. The bottom opening of the isolation cover 4 is slidably fitted with the outer wall of the positioning seat 3. A receiving cylinder 404 is threadedly connected to one side of the chip collecting ring groove 402.

[0025] The isolation cover 4 is made of stainless steel and welded together. The inner wall is polished to reduce debris adhesion. It has excellent overall sealing performance and can effectively block grinding debris from splashing. The receiving cylinder 404 is made of transparent PC material, which makes it easy to observe the amount of debris collected. The threaded connection makes it easy to disassemble and clean, and it is easy to operate.

[0026] like Figure 5As shown, the anti-clogging mechanism 5 includes a toothed ring 501, which is rotatably connected to the inner wall of the isolation cover 4. A scraper 502 is fixedly connected to the bottom of the toothed ring 501. The scraper 502 is in sliding contact with the chip collection groove 402 and the arc-shaped filter screen 403. An adjusting wheel 503 is engaged with one side of the toothed ring 501. The adjusting wheel 503 is rotatably connected to the outer wall of the isolation cover 4. A spiral rod 504 is slidably fitted in the middle of the adjusting wheel 503. One end of the spiral rod 504 is fixedly connected to the frame 1.

[0027] The scraper 502 is made of wear-resistant polyurethane material, and has a small gap with the chip collection ring groove 402 and the arc-shaped filter screen 403, resulting in a good chip scraping effect.

[0028] like Figure 6 As shown, a fan blade 601 is rotatably connected to the inner wall of the jet seat 6, and multiple rollers 602 are rotatably connected to the outer wall of the jet seat 6 in an annular structure. An annular guide rail 405 is fixedly connected to the top of the isolation cover 4. The outer wall of the rollers 602 and the inner wall of the annular guide rail 405 are slidably fitted together. A chip removal tube 603 is fixedly connected to the bottom of the jet seat 6.

[0029] The 603 descaling tube can be precisely inserted into the stent to ensure that debris from every corner inside the stent can be blown out.

[0030] By setting up the jet seat 6 and the chip blowing tube 603, when grinding the outer wall of the perforated bracket, the chip blowing tube 603 can be inserted into the bracket. While the transmission mechanism 8 drives the grinding roller 9 to rotate for grinding, it can also drive the fan blade 601 inside the jet seat 6 to rotate, so that the chip blowing tube 603 blows out air with a relatively high flow rate, which can automatically discharge the metal chips that fall into the bracket from the holes, so as to keep the inside clean and ensure the smooth subsequent assembly of the bracket and the stability of the structure during use.

[0031] like Figure 7 As shown, the transmission mechanism 8 includes a motor 801, which is fixedly connected to the rotating seat 7. A transmission rod 802 is fixedly connected to the output end of the motor 801. The other end of the transmission rod 802 extends into the jet seat 6 and is fixedly connected to a universal joint 803. The other end of the universal joint 803 is fixedly connected to the fan blade 601. A drive wheel 804 is fixedly connected to one end of the transmission rod 802.

[0032] A drive wheel 805 is meshed and driven on one side of the drive wheel 804. A universal joint 806 is fixedly connected to the drive wheel 805. The universal joint 806 is rotatably connected to the rotating seat 7. A driven wheel 807 is fixedly connected to the other end of the universal joint 806. A ring rack 406 is fixedly connected to the inner wall of the isolation cover 4. The driven wheel 807 and the ring rack 406 mesh and drive each other.

[0033] like Figure 8 As shown, a slide block 901 is rotatably connected through the top of the grinding roller 9. An electric actuator 902 is fixedly connected to one end of the slide block 901. One end of the electric actuator 902 is fixedly connected to the rotating seat 7. A gear 903 is rotatably connected through the slide block 901. The inner wall of the gear 903 is slidably engaged with the outer wall of the transmission rod 802. A gear 904 is fixedly connected to the top of the grinding roller 9. The gear 904 meshes with the gear 903 for transmission.

[0034] The electric actuator 2902 can precisely adjust the grinding feed of the grinding roller 9 to adapt to grinding needs of different thicknesses.

[0035] A method for using an automated grinding device for display screen bracket production includes the following steps: S1. When the bracket needs to be polished, first place the bracket with the base on the positioning seat 3, and then use the conveyor belt 2 to move it to the bottom of the isolation cover 4. S2. Then the isolation cover 4 moves down and covers the positioning seat 3, so that the grinding roller 9 contacts the surface of the bracket. Through the transmission mechanism 8, the grinding roller 9 can rotate on its own axis and rotate around to achieve grinding of the surface of the bracket. S3. While the transmission mechanism 8 drives the grinding roller 9, the jet seat 6 can draw air from the outside into the isolation cover 4, blowing out the metal chips that fall into the bracket. S4. After polishing is completed, the isolation cover 4 is moved upward. At this time, the anti-blocking mechanism 5 can follow the movement and collect the metal shavings filtered at the bottom of the isolation cover 4.

[0036] Working principle: When the bracket needs to be polished, first place the bracket with the base on the positioning seat 3. The operator puts the base of the display bracket into the positioning groove 301 of the positioning seat 3, and starts the electric push rod 302. The electric push rod 302 pushes the bracket positioning block 303 to move inward until the buffer pad of the bracket positioning block 303 is tightly attached to the outer wall of the bracket base, thus completing the positioning and clamping of the bracket. Then, start the conveyor belt 2. The conveyor belt 2 drives the positioning seat 3 and the bracket to move at a constant speed. When the bracket moves to the bottom of the isolation cover 4, the conveyor belt 2 stops automatically. Then, the hydraulic rod 401 drives the isolation cover 4 to move down and precisely fit with the positioning seat 3 to form a sealed grinding space, preventing grinding debris from flying everywhere. At the same time, the chip blowing tube 603 is precisely inserted into the opening at the top of the bracket. The motor 801 starts and outputs power, which enables the coordinated action of multiple mechanisms through the transmission rod 802: On the one hand, the transmission rod 802 drives the grinding roller 9 to rotate at high speed through the meshing of gear 1 903 and gear 2 904, while the electric push rod 2 902 pushes the grinding roller 9 to feed to the surface of the support, realizing the grinding operation; on the other hand, the transmission rod 802 drives the driven wheel 807 to rotate through the drive wheel 804, transmission wheel 805 and other transmission components. The driven wheel 807 meshes with the annular rack 406 on the inner wall of the isolation cover 4, driving the rotating seat 7, grinding roller 9 and air jet seat 6 to rotate at a uniform speed around the support, ensuring that all areas of the support surface can be ground evenly; at the same time, the transmission rod 802 drives the fan blade 601 to rotate at high speed through the universal joint 1 803, generating a high-speed airflow in the air jet seat 6. The airflow is blown out in a direction through the chip blowing pipe 603, completely expelling the metal chips that fall into the support during the grinding process, ensuring the cleanliness of the support interior.

[0037] The grinding debris diffuses within the sealed space and is intercepted by the arc-shaped filter 403 at the bottom of the isolation cover 4. Under the influence of gravity, the debris falls into the chip collection ring groove 402. After grinding is completed, the grinding roller 9 is reset and the isolation cover 4 moves upward. During this process, the adjusting wheel 503 of the anti-blocking mechanism 5 slides and rotates along the fixed spiral rod 504, driving the toothed ring 501 and scraper 502 to make a circular motion, pushing all the debris on the chip collection ring groove 402 and the arc-shaped filter 403 into the receiving cylinder 404, realizing automatic collection of debris without manual cleaning.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed invention. The scope of protection claimed by the appended claims and their equivalents is defined.

Claims

1. An automated grinding device for display screen bracket production, comprising a frame (1), characterized in that: A conveyor belt (2) is installed on the frame (1). Multiple positioning seats (3) are fixedly connected to the conveyor belt (2). An isolation cover (4) is slidably fitted on the frame (1). An anti-blocking mechanism (5) is rotatably connected to the inner wall of the bottom end of the isolation cover (4). An air jet seat (6) is rotatably connected through the inner wall of the upper end of the isolation cover (4). A rotating seat (7) is fixedly connected to the outer wall of the bottom end of the air jet seat (6). A transmission mechanism (8) is fixedly connected to the rotating seat (7). A grinding roller (9) is provided on one side of the transmission mechanism (8).

2. The automated grinding device for display screen bracket production according to claim 1, characterized in that: The positioning seat (3) has a positioning groove (301). The inner wall of the positioning groove (301) is fixedly connected with a plurality of electric push rods (302) in an annular structure. The output end of the electric push rod (302) is fixedly connected with a bracket positioning block (303). The top of the positioning seat (3) is set in a conical structure.

3. The automated grinding device for display screen bracket production according to claim 1, characterized in that: A hydraulic rod (401) is fixedly connected to one side of the isolation cover (4). The hydraulic rod (401) is fixedly connected to the frame (1). A chip collection ring groove (402) is opened on the inner wall of the bottom end of the isolation cover (4). Multiple arc-shaped filter screens (403) are fixedly connected to the bottom opening of the chip collection ring groove (402). The bottom opening of the isolation cover (4) is slidably fitted with the outer wall of the positioning seat (3). A receiving cylinder (404) is threadedly connected to one side of the chip collection ring groove (402).

4. An automated grinding device for display screen bracket production according to claim 3, characterized in that: The anti-clogging mechanism (5) includes a toothed ring (501), which is rotatably connected to the inner wall of the isolation cover (4). A scraper (502) is fixedly connected to the bottom of the toothed ring (501). The scraper (502) is slidably contacted with the chip collection groove (402) and the arc-shaped filter screen (403). An adjusting wheel (503) is meshed and driven on one side of the toothed ring (501). The adjusting wheel (503) is rotatably connected to the outer wall of the isolation cover (4). A spiral rod (504) is slidably fitted in the middle of the adjusting wheel (503). One end of the spiral rod (504) is fixedly connected to the frame (1).

5. An automated grinding device for display screen bracket production according to claim 1, characterized in that: The inner wall of the jet seat (6) is rotatably connected with a fan blade (601), the outer wall of the jet seat (6) is rotatably connected with multiple rollers (602) in an annular structure, the top of the isolation cover (4) is fixedly connected with an annular guide rail (405), the outer wall of the rollers (602) is slidably engaged with the inner wall of the annular guide rail (405), and the bottom of the jet seat (6) is fixedly connected with a chip removal tube (603).

6. An automated grinding device for display screen bracket production according to claim 5, characterized in that: The transmission mechanism (8) includes a motor (801), which is fixedly connected to the rotating seat (7). A transmission rod (802) is fixedly connected to the output end of the motor (801). The other end of the transmission rod (802) extends into the jet seat (6) and is fixedly connected to a universal joint (803). The other end of the universal joint (803) is fixedly connected to the fan blade (601). A drive wheel (804) is fixedly connected to one end of the transmission rod (802).

7. An automated grinding device for display screen bracket production according to claim 6, characterized in that: A drive wheel (805) is meshed and driven on one side of the drive wheel (804). A universal joint (806) is fixedly connected to the drive wheel (805). The universal joint (806) is rotatably connected to the rotating seat (7). A driven wheel (807) is fixedly connected to the other end of the universal joint (806). A ring rack (406) is fixedly connected to the inner wall of the isolation cover (4). The driven wheel (807) meshes and drives the ring rack (406).

8. An automated grinding device for display screen bracket production according to claim 6, characterized in that: The top end of the grinding roller (9) is rotatably connected to a slide block (901). One end of the slide block (901) is fixedly connected to an electric actuator (902). One end of the electric actuator (902) is fixedly connected to a rotating seat (7). A gear (903) is rotatably connected to the slide block (901). The inner wall of the gear (903) is slidably engaged with the outer wall of the transmission rod (802). The top end of the grinding roller (9) is fixedly connected to a gear (904). The gear (904) meshes with the gear (903) for transmission.

9. A method of using an automated grinding device for display screen bracket production, comprising the automated grinding device for display screen bracket production as described in any one of claims 1-8, specifically including the following steps: S1. When the bracket needs to be polished, first place the bracket with the base on the positioning seat (3), and then use the conveyor belt (2) to move it to the bottom of the isolation cover (4). S2. Then the isolation cover (4) moves down and covers the positioning seat (3), so that the grinding roller (9) contacts the surface of the bracket. Through the transmission mechanism (8), the grinding roller (9) can rotate and rotate at the same time to achieve grinding of the surface of the bracket. S3. While the transmission mechanism (8) drives the grinding roller (9), the jet seat (6) can draw air from the outside into the isolation cover (4) and blow out the metal chips that fall into the bracket. S4. After polishing, the isolation cover (4) is moved upward. At this time, the anti-blocking mechanism (5) can follow the movement and collect the metal shavings filtered at the bottom of the isolation cover (4).

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