A metal post polishing device

Abstract

This invention relates to the technical field of metal column grinding devices, and particularly to a metal column grinding device, comprising a dust-proof housing. An inlet is located on the upper side of the dust-proof housing, and an outlet is located on the side of the dust-proof housing near the lower side. Two roller brush frames are arranged between the inlet and outlet. Each roller brush frame is detachably equipped with several roller brush plates. A limiting mechanism for limiting the workpiece is arranged between the two roller brush plates. The limiting mechanism includes a rotating disc with several limiting grooves evenly spaced on it. A driving component is provided inside the dust-proof housing to drive the synchronous rotation of the two rotating discs. The technical solution of this invention aims to ensure grinding accuracy and operational stability while saving labor costs and eliminating the safety hazards of manual grinding.

Description

Technical Field

[0001] This invention relates to the technical field of metal column grinding devices, and particularly to a metal column grinding device. Background Technology

[0002] In industrial production fields such as mechanical components, engineering steel structures, equipment support columns, and conveyor column accessories, large-diameter and long-length metal columns are core basic load-bearing components. Before leaving the factory, the components must undergo standardized grinding processes such as deburring, rust removal and polishing, edge grinding, and surface smoothing and refinement to ensure the fit and safety of subsequent welding assembly, load-bearing installation, and anti-corrosion spraying operations.

[0003] Currently, the mainstream grinding process for large metal columns in the industry still relies on manual handheld large grinding tools for reciprocating grinding against the outer wall of the workpiece, or on simple open single-station grinding equipment for point grinding. The adoption rate of dedicated integrated closed-loop automated grinding equipment adapted for large workpieces is extremely low. Conventional small grinding equipment cannot bear the load of the workpiece or achieve grinding without dead angles, and can only rely on multiple people working together to manually assist in repositioning, flipping, and aligning the grinding process.

[0004] However, traditional grinding methods have obvious shortcomings: not only is the processing cycle long and the batch production efficiency low, but the grinding force is also difficult to control evenly, which can easily lead to inconsistent grinding precision on the workpiece surface and low finished product qualification rate; at the same time, open operations lack dust collection and safety protection structures, and the dust is easy to spread, which can also cause harm to the health of operators. Summary of the Invention

[0005] The main objective of this invention is to provide a metal column grinding device that ensures grinding accuracy and operational stability while saving labor costs and eliminating the safety hazards of manual grinding.

[0006] To achieve the above objectives, the present invention proposes a metal column grinding device, including a dustproof housing, an inlet on the upper side of the dustproof housing, an outlet on the side of the dustproof housing near the lower side, two roller brush frames between the inlet and the outlet, each roller brush frame being detachably provided with a plurality of roller brush plates, and a limiting mechanism for limiting the workpiece being provided between the two roller brush plates. The limiting mechanism includes a rotating disk, on which several limiting grooves are equally spaced. The dustproof housing contains a driving component that drives the two rotating disks to rotate synchronously.

[0007] In one possible implementation, the limiting mechanism further includes a dust removal cylinder fixedly disposed between two roller brush frames. The dust removal cylinder is rotatably disposed between two rotating discs. Several dust removal holes are opened on the upper column of the dust removal cylinder. A dust extraction device is also provided on the outside of the dust isolation housing for extracting dust from the dust removal cylinder.

[0008] In one possible implementation, the two rotating discs are further provided with a clamping mechanism on the side away from the dust collector. The clamping mechanism includes a clamping member disposed in the dust-proof housing. A first transmission plate and a second transmission plate are respectively disposed on both sides of the clamping member. A first positioning plate and a second positioning plate are respectively rotatably disposed on the first transmission plate and the second transmission plate. A plurality of clamping discs are rotatably disposed on the first positioning plate and the second positioning plate. Each clamping disc is corresponding to the opening of the limiting groove.

[0009] In one possible implementation, the clamping disc is provided with a cushioning pad.

[0010] In one possible implementation, a receiving sleeve is rotatably provided on the first transmission plate, the receiving sleeve is fixedly connected to the first positioning plate, a first gear is retractably provided on one side of the receiving sleeve, a first motor is fixedly connected to the receiving sleeve, the drive shaft of the first motor is connected to the first gear, a plurality of second gears are meshed on the first gear, and each second gear is coaxially fixedly connected to the adjacent clamping plate.

[0011] In one possible implementation, a second motor is fixedly connected to the second transmission plate, and the drive shaft of the second motor is fixedly connected to the second positioning plate.

[0012] In one possible implementation, a discharge plate is vertically mounted at the lower opening position of the two roller brush holders.

[0013] In one possible implementation, a pusher is fixedly connected to the dustproof housing, and a pusher block is fixedly connected to the telescopic shaft of the pusher for pushing the workpiece on the unloading plate toward the discharge port.

[0014] In one possible implementation, a maintenance compartment is provided on the dustproof housing near each roller brush holder.

[0015] In one possible implementation, protective sleeves are detachably provided on both sides of the dustproof housing to protect the first motor and the second motor.

[0016] This invention, through the overall structural layout and coordinated operation of its various functional components, enables enclosed, dust-free grinding of metal columns. It effectively prevents grinding dust from escaping, improves the working environment, protects personnel health, and safeguards surrounding equipment from dust corrosion and contamination. The staggered inlet and outlet ports accommodate continuous loading and unloading of various metal columns, forming a continuous production line and significantly improving operational efficiency. The roller brush frame, equipped with detachable roller brush plates, allows for convenient disassembly, replacement, and maintenance, adapting to the processing needs of metal columns of different specifications and grinding precision. Multi-angle coordination ensures uniform grinding of the workpiece's outer wall without dead angles. The limiting mechanism precisely positions the workpiece using a rotating disc and limiting groove, and, in conjunction with various transmission drive components, enables the two rotating discs to operate synchronously, driving the metal column to rotate at a uniform speed for automatic grinding without manual intervention. This ensures grinding accuracy and operational stability while saving labor costs and eliminating the safety hazards of manual grinding. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This invention provides a three-dimensional metal column grinding device. Figure 1 ; Figure 2 This invention provides a three-dimensional metal column grinding device. Figure 2 ; Figure 3 Partial cross-section of a metal column grinding device according to the present invention. Figure 1 ; Figure 4 Partial cross-section of a metal column grinding device according to the present invention. Figure 2 ; Figure 5 For this Figure 4 Enlarged diagram of A in the middle; Figure 6 This is a partial frontal view of a metal column grinding device according to the present invention; Figure 7 This is a partial explosion diagram of a metal column grinding device according to the present invention.

[0019] Explanation of icon numbers: 1. Dustproof housing; 11. Inlet; 12. Outlet; 13. Roller brush frame; 14. Roller brush plate; 15. Inspection chamber; 16. Protective sleeve; 21. Tilting disc; 22. Limiting groove; 23. Dust collector cylinder; 24. Dust collector hole; 31. Clamping component; 32. First transmission plate; 33. Second transmission plate; 34. First positioning plate; 35. Second positioning plate; 36. Clamping plate; 37. Buffer pad; 38. Receiving sleeve; 39. First gear; 310. First motor; 311. Second gear; 312. Second motor; 41. Unloading plate; 42. Pushing component; 43. Pushing block.

[0020] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0022] This invention proposes a metal column grinding device.

[0023] Example 1 Reference Figures 1 to 7 By enclosing the entire grinding operation area with a dustproof shell 1, the metal dust and debris generated during the grinding process can be effectively isolated, preventing the dust from drifting and spreading outward. This not only improves the working environment at the work site and reduces the harm to the health of operators caused by dust, but also prevents dust from accumulating and causing corrosion and pollution to surrounding equipment, thus providing a good dustproof protection effect.

[0024] The dustproof housing 1 has an inlet 11 and an outlet 12 on the upper and lower sides respectively, forming a staggered material inlet and outlet channel, which is suitable for continuous feeding and unloading of various metal column workpieces such as long strips and cylinders, making it easy to realize uninterrupted assembly line processing and greatly improving the overall operation efficiency.

[0025] Two sets of roller brush frames 13 are arranged between the inlet 11 and the outlet 12. The roller brush frame 13 adopts a detachable structure and is equipped with multiple roller brush plates 14. The detachable installation form facilitates the quick replacement, disassembly and maintenance of the roller brush plates 14 according to the different grinding precision and different coarseness specifications of the metal column. This reduces the difficulty and cost of later equipment maintenance and parts replacement. The multiple roller brush plates 14 work together to comprehensively brush, grind, deburr, and polish the outer wall of the metal column from different directions, ensuring uniform grinding without dead corners.

[0026] The roller brush plate 14 is designed for detachable installation on the roller brush frame 13. It can be quickly installed, removed, replaced, and maintained through various conventional disassembly and assembly structures. Specific examples include the disassembly and assembly method of fixing with bolts and nuts, the quick-release method of snap-fit ​​engagement, the sliding assembly method of sliding groove and rail insertion positioning, and the simple disassembly and assembly structure of pin limit and elastic locking. All kinds of detachable structures can achieve stable installation and convenient disassembly of the roller brush plate 14 on the roller brush frame 13. It is convenient to replace roller brush plates 14 with different bristle materials, different densities, and different specifications according to the metal column grinding conditions. It is also convenient to remove and repair, clean, or replace worn and aged roller brush plates 14 separately without disassembling the entire equipment body, simplifying the maintenance process and reducing maintenance workload and operating costs.

[0027] A limiting mechanism is provided between the two sets of roller brush plates 14. The metal column workpiece can be stably held and positioned by a number of limiting grooves 22 evenly arranged on the rotating disk 21. It can adapt and limit the metal column with different outer diameters, effectively preventing the workpiece from shifting, shaking or tipping during the grinding process, and ensuring the stability and processing accuracy of the grinding operation. At the same time, the driving component configured in the housing can realize the synchronous rotation of the two rotating disks 21. The synchronous transmission driving method can drive the metal column in the limiting groove 22 to rotate and feed at a uniform speed, so that the metal column can continuously make full contact with the roller brush plate 14 during the slow rotation and movement. There is no need to manually rotate and adjust the workpiece posture. The automation level is high, which greatly saves the labor force of manual operation and avoids the safety hazards of manual hand grinding.

[0028] The drive unit can be selected from common drive forms such as motor combined with sprocket and chain drive, gear meshing drive, and synchronous belt pulley drive, all of which can meet the transmission requirements of synchronous and uniform rotation of the two rotating discs 21.

[0029] Reference Figures 3 to 4 and Figure 6 The lower openings of the two roller brush holders 13 are equipped with unloading plates 41. The unloading plates 41 can move vertically up and down according to the progress of the metal column grinding and processing, flexibly opening and closing the bottom discharge space between the two roller brush holders 13.

[0030] During normal grinding operations, the unloading plate 41 is raised and the lower opening is closed. It can work together with the upper limiting mechanism and clamping mechanism to form a complete work station support structure, which can steadily support the metal column workpiece being ground, prevent the workpiece from accidentally falling or slipping during grinding, ensure the stability of the closed-loop grinding condition throughout the process, and eliminate the problems of workpiece falling, bumping and deforming, and equipment jamming and stopping.

[0031] After the all-round grinding and dust removal of the outer wall of the metal column are completed, the unloading plate 41 is automatically lowered in a controlled manner to open the lower unloading channel, release the bottom support limit constraint, and the finished metal column can slide down smoothly under its own gravity to be discharged. It automatically connects to the whole machine discharge port 12 to complete the orderly unloading and collection. There is no need for manual unloading, which simplifies the assembly line operation process and further improves the automation level of the equipment and the overall processing efficiency.

[0032] The lifting mechanism of the unloading plate 41 can be exemplified by conventional drive lifting structures such as cylinder direct push lifting, screw slide table lifting, electric push rod lifting, and slide rail combined with spring linkage lifting. These structures are simple, have a low failure rate, and offer fast lifting start and stop response. They can accurately match the grinding cycle to open and close the unloading mechanism synchronously, making them suitable for long-term, uninterrupted batch grinding production conditions in the workshop.

[0033] Reference Figure 4 and Figure 6 A pusher component 42 is fixedly assembled on the outer side of the dustproof housing 1 corresponding to the working area of ​​the unloading plate 41. The pusher component 42 is arranged horizontally, and the end of the telescopic shaft is rigidly connected to the pusher block 43, which can form an upper and lower alignment linkage structure with the lower lifting unloading plate 41. After the metal column grinding and dust removal process is completed and the unloading plate 41 is lowered to open the unloading station, the qualified metal column workpiece is stably placed on the surface of the unloading plate 41. At this time, the pusher component 42 precisely extends the telescopic shaft, driving the pusher block 43 to stably fit the end of the workpiece and apply a uniform horizontal pushing force, and orderly pushes the finished metal column placed on the unloading plate 41 to the discharge port 12 position, completing the automated directional unloading operation.

[0034] The uniform and controllable pushing force can effectively avoid problems such as workpiece jamming, skewed discharge, and surface scratches from bumps and collisions, further improving the smoothness of the unloading process and the regularity of the discharge. At the same time, the fully enclosed shell working environment completely isolates dust from human contact, improving operational safety and the overall stability of the production line's operating rhythm.

[0035] The pusher component 42 can be specifically exemplified by an electric telescopic push rod, a small push-pull cylinder, a hydraulic micro pusher cylinder, a servo linear pusher module, etc., all of which can achieve uniform, stable, and controllable horizontal reciprocating pusher action. The fixed connection between the telescopic shaft of the pusher component 42 and the pusher block 43 is a rigid fastening assembly structure, which can be fixed by bolt clamping, welding integral molding, flange alignment and locking, etc. The connection strength is high, and it is not easy to loosen or deform during long-term high-frequency reciprocating pusher action, making it suitable for continuous batch grinding and unloading conditions.

[0036] Reference Figures 1 to 4Each dust-proof housing 1 has a maintenance chamber 15 installed on the outer side of each roller brush frame 13. The maintenance chamber 15 is directly opposite the core working area of ​​the roller brush frame 13 and the inner roller brush plate 14, and the maintenance points are precisely aligned with the easily worn grinding components inside. During normal grinding operations, the maintenance chamber 15 remains closed and sealed, which, together with the overall structure of the dust-proof housing 1, maintains a fully enclosed dustproof cavity, preventing air and dust leakage, and does not affect the normal dust-proof grinding and negative pressure dust removal operation of the equipment, ensuring that dust does not overflow from the side gaps.

[0037] When the roller brush plate 14 shows signs of wear, shedding, jamming, or requires regular cleaning, disassembly and replacement, or inspection of the clamping mechanism's transmission condition, the operator can directly open the corresponding maintenance chamber 15 on-site without disassembling the dustproof housing 1. This allows for close and intuitive observation of the roller brush frame 13's assembly status, the wear degree of the roller brush plate 14, and the operation of the surrounding limit and clamping linkage components. This enables rapid completion of component inspection, fault diagnosis, parts disassembly and replacement, and internal dust cleaning, significantly reducing the difficulty of equipment operation and maintenance, shortening downtime for maintenance, and effectively improving the overall equipment uptime and production continuity.

[0038] The maintenance compartment 15 can be exemplified by a flip-top sealed maintenance door, a bolt-locked sealed maintenance port, a magnetic quick-opening maintenance compartment 15, or an integrated maintenance cover with a sealing strip, etc. It has a good sealing and protection effect, is easy to open and close, and is suitable for long-term sealed use under industrial grinding dust conditions.

[0039] Example 2 This embodiment is an improvement on embodiment 1.

[0040] Reference Figures 1 to 4 Based on the original rotating disc 21 and limiting groove 22, the limiting mechanism is further enhanced with a dust collection cylinder 23 fixedly arranged between the two sets of roller brush frames 13. The dust collection cylinder 23 is rotatably mounted between the two rotating discs 21, and can form a surrounding dust collection structure synchronously with the metal column's feeding and grinding process. Several dust collection holes 24 are evenly opened on the column body of the dust collection cylinder 23. Metal dust and fine debris generated during the grinding operation can be promptly collected into the internal cavity of the dust collection cylinder 23 through the dust collection holes 24, avoiding dust from directly remaining on the workpiece surface and inside the shell, causing secondary adhesion and accumulation pollution. A dust extraction device is connected to the outside of the dust-proof shell 1, which can continuously perform negative pressure suction and collection of dust accumulated inside the dust collection cylinder 23, forming a closed dust diversion and centralized discharge path, greatly improving the overall dust removal and purification capacity of the device, effectively reducing the degree of dust diffusion inside the shell, ensuring the cleanliness of the metal column grinding surface, further optimizing the working environment, and reducing the probability of dust accumulation causing jamming and wear on the mechanism's transmission parts and rolling mating parts.

[0041] Examples of dust extraction equipment include centrifugal fans, industrial negative pressure vacuum cleaners, baghouse dust extraction units, and duct negative pressure suction pumps. All of these can be connected to the dust collection cylinder 23 to form a negative pressure dust extraction circuit, meeting the needs of dust extraction, centralized collection, and purified discharge.

[0042] The rotating connection structure between the dust collector 23 and the rotating disc 21 can be achieved by using common structures such as bearing sleeve, bushing clearance fit, and slewing bearing seat. The assembly method is flexible and the operation is stable, which is suitable for continuous grinding and dust removal operation scenarios of metal columns of different specifications.

[0043] Example 3 This embodiment is an improvement on embodiment 1.

[0044] Reference Figures 1 to 7 A clamping mechanism is added to the side of the two rotating discs 21 away from the dust collector cylinder 23. The clamping parts 31 arranged inside the dustproof housing 1 serve as the overall mounting base, providing a stable support and positioning foundation for the subsequent transmission and positioning components. The first transmission plate 32 and the second transmission plate 33 are respectively arranged on both sides of the clamping parts 31, which can form a symmetrical transmission layout. This allows for the orderly arrangement and power transmission of the positioning structures on both sides, ensuring that the overall structure is subjected to balanced forces and operates smoothly and in a coordinated manner.

[0045] The clamping component 31 can be a pneumatic or hydraulic drive component, which can be adjusted according to the size of the overall workpiece of the metal column. Here, a double-headed pneumatic component is used as an example.

[0046] The first transmission plate 32 and the second transmission plate 33 are respectively rotatably mounted with the first positioning plate 34 and the second positioning plate 35. With the help of the rotatable characteristics of the first positioning plate 34 and the second positioning plate 35, they can follow the rhythm of the metal column conveying and adapt to the conveying conditions of metal column workpieces of different lengths and outer diameters.

[0047] Both the first clamping plate 34 and the second clamping plate 35 are rotatably mounted with several clamping plates 36, and each clamping plate 36 is aligned with the opening of the limiting groove 22. It can form a circumferential flexible clamping limit on the end of the metal column placed in the groove from the outside of the limiting groove 22. It can firmly restrain the radial offset and axial movement of the metal column during grinding and turnover, and can also rotate synchronously with the flip plate 21 to avoid obstruction. It will not hinder the continuous feeding of the metal column and its own rotation grinding, effectively improving the workpiece clamping stability and processing coaxiality, and avoiding problems such as grinding eccentricity and uneven surface polishing.

[0048] The rotating connection between the first positioning plate 34, the second positioning plate 35, and the clamping plate 36 can be achieved by using conventional rotating assembly methods such as ball bearings, oil-impregnated bushings, pin hinges, and slewing bearing seats. The structure is simple and reliable, and the assembly and disassembly are convenient, making it suitable for long-term continuous grinding operations.

[0049] Reference Figure 4 The surface of the clamping disc 36 is provided with a buffer pad 37. The buffer pad 37 can directly form a flexible contact with the outer wall of the metal column workpiece, abandoning the rigid hard contact clamping method. It can effectively buffer the vibration and impact generated by the metal column during the turnover feeding and rotation grinding process, and avoid the clamping disc 36 directly hitting and scratching the outer surface of the metal column, ensuring that the finished metal column has an intact appearance without any bumps or scratches.

[0050] Meanwhile, the buffer pad 37 has a certain friction damping effect, which can increase the contact friction with the outer wall of the metal column, prevent the workpiece from slipping and spinning between the limiting groove 22 and the clamping plate 36, further enhance the clamping and positioning effect, ensure that the workpiece posture remains stable and regular during the grinding process, and improve the uniformity of the overall grinding process and the quality of the finished product.

[0051] The buffer pad 37 can be made of materials such as rubber pad, silicone pad, polyurethane buffer pad 37, and anti-slip and wear-resistant foam pad. All of them have good elasticity, cushioning, anti-slip and wear resistance and anti-aging properties. They are suitable for clamping metal columns of different materials and surface hardness, and are easy to replace after wear. They are convenient to maintain and have strong applicability.

[0052] Example 4 This embodiment improves upon embodiment 1 by modifying the driving component.

[0053] Reference Figures 3 to 7 A second motor 312 is fixedly installed on the second transmission plate 33. The drive shaft of the second motor 312 is directly fixedly connected to the second positioning plate 35. Relying on the rigid direct-drive structure, the power transfer loss is reduced, the transmission response is fast and the failure rate is low. It can independently output stable rotational power to the second positioning plate 35, and precisely control the start-stop rhythm, running speed and forward and reverse rotation state of the second positioning plate 35. This enables the second positioning plate 35 to operate independently and smoothly throughout the entire process, adapting to the rhythm matching requirements of different working conditions in metal column grinding.

[0054] When the first gear 39 remains stationary and locked, the second clamping disk 35 is driven to rotate in a coordinated manner by the driving torque output by the second motor 312. This drives several second gears 311 on the other side to revolve around the stationary first gear 39. The clamping disk 36 moves in a coordinated manner to stably clamp and limit the metal column that is clamped and positioned inside the limiting groove 22. This completes the uniform and continuous clamping and feeding operation at the same time, and drives the metal column to rotate smoothly with the clamping disk 36.

[0055] During the overall linkage transmission process, the metal column rotates autonomously at a low speed throughout the slow and stable downward directional movement. It fully conforms to the roller brush plates 14 arranged on both sides to complete circumferential full-coverage grinding, effectively eliminating grinding blind spots and uneven grinding defects. This comprehensively enhances the smoothness and gloss of the outer wall of the metal column, effectively adapts to the standardized grinding processing scenario of batch metal columns, and effectively improves the overall grinding operation quality and continuous processing efficiency.

[0056] The second motor 312 is a conventional industrial electric control power drive component. Specifically, it can be a variable frequency speed control motor, a small servo drive motor, or a geared integrated drive motor, which is suitable for the internal assembly conditions of the equipment's enclosed housing. As for the heat dissipation and other lifespan issues of this type of drive component, they are not part of the design requirements of this invention, so they will not be discussed in detail.

[0057] Example 5 This embodiment is a further improvement on embodiment 4.

[0058] Reference Figures 4 to 5 A receiving sleeve 38 is rotatably mounted on the first transmission plate 32. The receiving sleeve 38 is fixedly connected to the first positioning plate 34, providing stable rotational support for the first positioning plate 34 and rotating synchronously with it to ensure the coaxiality and smooth operation of the overall transmission structure. A first gear 39 is telescopically mounted on one side of the receiving sleeve 38. The telescopic structure allows for adaptive fine-tuning of the transmission between the receiving sleeve 38 and the first gear 39, ensuring that the driving relationship remains unchanged even when their relative positions change. This allows the first motor 310 on the first transmission plate 32 to control the relative rotation of the first gear 39 as the first transmission plate 32 moves closer to or away from the metal column.

[0059] A first motor 310 is fixed on the receiving sleeve 38. The drive shaft of the first motor 310 is connected to the first gear 39 through the receiving sleeve 38. The first motor 310 provides stable power input, which can accurately drive the first gear 39 to rotate at a constant speed. Several second gears 311 are meshed on the outer periphery of the first gear 39. Each second gear 311 is coaxially fixed with the corresponding clamping plate 36. Through the gear meshing transmission, the power of the first motor 310 can be synchronously distributed and transmitted to all clamping plates 36, causing all clamping plates 36 to rotate synchronously in the same direction. This creates a uniform clamping and feeding effect on the metal column in the limiting groove 22, and allows the metal column to rotate slowly on its own while being clamped and limited. Combined with the roller brush plate 14, it can achieve all-round grinding of the outer periphery of the column without dead angles, which greatly improves the grinding uniformity and processing efficiency.

[0060] Furthermore, the rotational speed of the metal column inside the clamping disc can be directly controlled by the first motor 310, thereby adjusting the polishing effect and improving the polishing quality.

[0061] The receiving sleeve 38 is a type of bushing rotary connector. Examples of its structural forms include hollow bushings, flange-type receiving sleeves 38, sliding bushings, and limiting rotary sleeves. All of these can achieve the functions of rotational support and fixed transmission.

[0062] The gear meshing transmission structure described above can be adapted to conventional transmission layouts such as spur gear meshing, helical gear meshing, and planetary gear transmission, and can achieve power splitting and synchronous drive.

[0063] The retractable structure can be implemented by means of spring-push retraction, cylindrical embedded component sliding retraction, elastic bushing adaptive retraction, etc., to achieve adaptive adjustment of the gap between the receiving sleeve 38 and the first gear 39, ensuring long-term stable and reliable operation of the transmission.

[0064] Reference Figures 1 to 5 Both sides of the dustproof housing 1 are fitted with detachable protective sleeves 16. These sleeves precisely correspond to the installation areas of the first motor 310 and the second motor 312 on the inner side. The sleeves 16 isolate external moisture, workshop impacts, and accidental scratches, providing physical protection for the motor housing and improving the overall operational safety of the equipment. When subsequent inspections, heat dissipation maintenance, wiring repairs, or troubleshooting of the first motor 310 and the second motor 312 are required, the protective sleeves 16 can be quickly removed without disassembling other parts of the housing. This convenient and efficient maintenance operation does not disrupt normal production.

[0065] The detachable assembly structure can be installed and fixed using a snap-on quick-installation structure, a bolt locking and fixing structure, or a hook alignment assembly structure.

[0066] The protective cover 16 belongs to the category of protective enclosures for electromechanical peripherals. Examples of suitable protective covers include metal dustproof covers, hard plastic protective covers 16, and integrated sealed soundproof protective covers 16, which provide multiple benefits such as dustproof, impact protection, sound insulation, and easy disassembly and assembly.

[0067] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0068] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A metal pillar grinding device, comprising a dustproof housing (1), characterized in that, The dustproof housing (1) has an inlet (11) on its upper side and an outlet (12) on its side near the lower side. Two roller brush frames (13) are provided between the inlet (11) and the outlet (12). Each roller brush frame (13) is detachably provided with several roller brush plates (14). A limiting mechanism for limiting the workpiece is provided between the two roller brush plates (14). The limiting mechanism includes a rotating disk (21), and several limiting grooves (22) are provided on the rotating disk (21) at equal intervals. The dustproof housing (1) is provided with a driving component that drives the two rotating disks (21) to rotate synchronously.

2. The metal column grinding device according to claim 1, characterized in that, The limiting mechanism also includes a dust removal cylinder (23) fixedly disposed between two roller brush frames (13). The dust removal cylinder (23) is rotatably disposed between two rotating discs (21). Several dust removal holes (24) are provided on the upper column of the dust removal cylinder (23). A dust extraction device is also provided on the outside of the dust isolation shell (1) for extracting dust from the dust removal cylinder (23).

3. The metal column grinding device according to claim 2, characterized in that, The two rotating discs (21) are also provided with a clamping mechanism on the side away from the dust collector (23). The clamping mechanism includes a clamping member (31) set in the dustproof housing (1). A first transmission plate (32) and a second transmission plate (33) are respectively provided on both sides of the clamping member (31). A first positioning plate (34) and a second positioning plate (35) are respectively rotatably provided on the first transmission plate (32) and the second transmission plate (33). A plurality of clamping plates (36) are rotatably provided on the first positioning plate (34) and the second positioning plate (35). Each clamping plate (36) is corresponding to the groove of the limiting groove (22).

4. The metal column grinding device according to claim 3, characterized in that, A buffer pad (37) is provided on the clamping plate (36).

5. The metal column grinding device according to claim 3, characterized in that, A receiving sleeve (38) is rotatably provided on the first transmission plate (32). The receiving sleeve (38) is fixedly connected to the first clamping plate (34). A first gear (39) is telescopically provided on one side of the receiving sleeve (38). A first motor (310) is fixedly connected on the receiving sleeve (38). The drive shaft of the first motor (310) is connected to the first gear (39) for transmission. A plurality of second gears (311) are meshed on the first gear (39). Each second gear (311) is coaxially fixedly connected to the adjacent clamping plate (36).

6. The metal column grinding device according to claim 3, characterized in that, A second motor (312) is fixedly connected to the second transmission plate (33), and the drive shaft of the second motor (312) is fixedly connected to the second positioning plate (35).

7. The metal column grinding device according to claim 1, characterized in that, The two roller brush holders (13) are equipped with unloading plates (41) at the lower opening positions.

8. The metal column grinding device according to claim 7, characterized in that, A pusher (42) is fixedly connected to the dustproof housing (1), and a pusher block (43) is fixedly connected to the telescopic shaft of the pusher (42) for pushing the workpiece on the unloading plate (41) toward the discharge port (12).

9. The metal column grinding device according to claim 1, characterized in that, The dustproof housing (1) is provided with maintenance chambers (15) near each roller brush frame (13).

10. The metal column grinding device according to claim 1, characterized in that, The dustproof housing (1) is detachably equipped with protective sleeves (16) on both sides for protecting the first motor (310) and the second motor (312).

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