A reversing polishing thread

Abstract

This utility model discloses a reversing polishing line, including a polishing device and a reversing device. The reversing device is disposed between two adjacent polishing devices and includes a reversing frame and a reversing assembly. The reversing assembly is mounted on the reversing frame. The polishing device includes a polishing frame, a conveying assembly, and a polishing component. The conveying assembly is mounted at the bottom of the polishing frame, and the polishing device is mounted at the top of the polishing frame. The input and output ends of the reversing assembly are flush with the conveying plane of the conveying assembly. The reversing assembly can convey bricks and achieve a 90° rotation of the bricks. After the rotation, the previously insufficiently polished sides or edges of the bricks are exposed and enter the working area of ​​the second polishing device. The conveying assembly of the second polishing device continues to convey the bricks, allowing the polishing component at its top to perform secondary polishing on the newly exposed surfaces of the bricks, solving the problems of uneven polishing and gloss differences caused by traditional single-direction polishing.

Description

Technical Field

[0001] This utility model relates to the field of polishing device technology, specifically a reversing polishing line. Background Technology

[0002] In industries such as building decoration and stone processing, surface polishing of bricks is a key process that determines product quality and market competitiveness. With the upgrading of consumption and the improvement of process standards, the market has put forward increasingly higher requirements for the flatness, gloss and overall consistency of brick surfaces. Not only does the main viewing surface need to achieve a mirror-like effect, but the precision of the treatment of details such as edges and corners has also become an important indicator for measuring product grade.

[0003] Traditional polishing equipment typically uses a single-direction polishing method. When polishing bricks, it can only fully treat one or a few specific surfaces, while other sides or edges of the brick are often difficult to polish effectively. This results in obvious uneven polishing on the brick surface, with some areas being bright and smooth, while others are rough and dull, seriously affecting the overall aesthetics and quality consistency of the brick. Utility Model Content

[0004] To address the aforementioned shortcomings, this invention proposes a reversing polishing line. The reversing component can transport the brick and achieve a 90° rotation of the brick. After the rotation, the previously insufficiently polished sides or edges of the brick are exposed and enter the working area of ​​the second polishing device. The conveying component of the second polishing device continues to transport the brick, allowing the polishing component at its top to perform a secondary polishing on the newly exposed surface of the brick. This solves the problems of uneven polishing and varying gloss caused by traditional single-direction polishing.

[0005] To achieve this objective, the present invention adopts the following technical solution: A reversing polishing line includes a polishing device and a reversing device. The reversing device is disposed between two adjacent polishing devices. The reversing device includes a reversing frame and a reversing assembly. The reversing assembly is mounted on the reversing frame. The polishing device includes a polishing frame, a conveying assembly, and a polishing component. The conveying assembly is mounted at the bottom of the polishing frame, and the polishing device is mounted at the top of the polishing frame. The input and output ends of the reversing assembly are both flush with the conveying plane of the conveying assembly. The reversing assembly is used to convey the bricks and rotate the direction of the bricks by 90°, the conveying assembly is used to convey the bricks, and the polishing assembly is used to polish the surface of the bricks.

[0006] The reversing assembly includes, from front to back, a first planar conveyor belt, an arc-shaped conveyor belt, and a second planar conveyor belt. The input end of the arc-shaped conveyor belt is located between the output ends of two adjacent first planar conveyor belts, and the output end of the arc-shaped conveyor belt is located between the input ends of two adjacent second planar conveyor belts. The upper conveying surface of the arc-shaped conveyor belt is an upwardly convex arc structure, and the highest point of the upper conveying surface of the arc-shaped conveyor belt is higher than the upper conveying surface of the first planar conveyor belt. Both the first planar conveyor belt and the second planar conveyor belt are flush with the conveying plane of the conveying assembly.

[0007] The first and second planar conveyor belts have the same structure. The first planar conveyor belt includes a planar conveyor motor, a planar conveyor shaft, a planar conveyor pulley, a planar conveyor belt, and a planar support frame. Two planar conveying shafts are arranged side by side along the front-to-back direction on the reversing frame. Both ends of the planar conveying shafts are rotatably mounted on the reversing frame. Two planar conveying pulleys are respectively fixedly sleeved on the front and rear planar conveying shafts. Two planar conveying belts are respectively sleeved on the front and rear planar conveying pulleys. The planar conveying motor is mounted on the reversing frame, and the drive end of the planar conveying motor is fixedly connected to one of the planar conveying shafts. The planar support frame is fixedly installed on the top of the reversing frame. The planar support frame abuts against the bottom surface of the upper conveying surface of the planar conveyor belt. The planar support frame is used to support the upper conveying surface of the planar conveyor belt.

[0008] The arc-shaped conveyor belt includes an arc-shaped conveyor motor, an arc-shaped conveyor shaft, an arc-shaped conveyor pulley, an arc-shaped conveyor belt, and an arc-shaped conveyor support frame; Two curved conveyor shafts are arranged side by side in the front-to-back direction on the reversing frame. Both ends of the curved conveyor shafts are rotatably mounted on the reversing frame. Two curved conveyor pulleys are respectively fixedly sleeved on the front and rear curved conveyor shafts. Two curved conveyor belts are respectively sleeved on the front and rear curved conveyor pulleys. The curved conveyor motor is mounted on the reversing frame, and the drive end of the curved conveyor motor is fixedly connected to one of the curved conveyor shafts. The arc-shaped conveyor support frame is fixedly installed on the top of the reversing frame. The arc-shaped conveyor support frame abuts against the bottom surface of the upper conveying surface of the arc-shaped conveyor belt. The arc-shaped conveyor support frame is used to support the upper conveying surface of the arc-shaped conveyor belt.

[0009] The reversing frame is also provided with multiple transverse support frames, which are arranged side by side along the front-to-back direction. The length direction of the transverse support frame is the left-to-right direction, and the transverse support frame is fixedly connected to the multiple planar support frames respectively.

[0010] The polishing component includes a polishing mounting plate, a polishing assembly, and a moving assembly, wherein the polishing assembly is arranged side by side on the polishing mounting plate along the front-to-back direction; The top front and rear layers of the polishing frame are provided with movable slide grooves. The length direction of the movable slide groove is left and right. The front and rear ends of the polishing mounting plate are respectively slidably connected to the corresponding movable slide grooves. The driving end of the moving component is fixedly connected to the polishing mounting plate. The moving component is used to drive the polishing mounting plate to move in the left and right direction.

[0011] The polishing assembly includes a polishing moving plate, a lifting component, a polishing power component, a transmission component, a polishing bushing, and a polishing head. The lifting component is fixedly installed on the top of the polishing mounting plate, and the polishing moving plate is fixedly installed on the driving end of the lifting component. The lifting component is used to drive the polishing moving plate to move vertically. The polishing power component is installed on the top of the polishing moving plate, and a vertically downward polishing sleeve is also rotatably installed on the top of the polishing moving plate. The driving end of the polishing power component is connected to the polishing bushing through the transmission component, and the polishing power component is used to drive the polishing bushing to rotate. A polishing head is fixedly sleeved on the bottom of the polishing bushing, and the polishing head is used to polish the brick.

[0012] The conveying assembly includes a polishing conveying power component, a polishing conveying pulley, and a polishing conveying belt. Two polishing conveying pulleys are arranged side by side in the front-to-back direction at the bottom of the polishing frame. The polishing conveying belt is sleeved on the two polishing conveying pulleys. The drive end of the polishing conveying power component is fixedly connected to one of the polishing conveying pulleys.

[0013] The polishing frame has a vertical baffle on its side wall, which is positioned between the polishing conveyor belt and the polishing moving plate.

[0014] The technical solution of this utility model can include the following beneficial effects: 1. The reversing assembly can transport the brick and achieve a 90° rotation of the brick. After the rotation, the sides or edges of the brick that were not fully polished will be exposed and enter the working area of ​​the second polishing device. The conveying assembly of the second polishing device continues to transport the brick, so that the polishing component on top of it can perform secondary polishing on the newly exposed surface of the brick, which solves the problem of uneven polishing and gloss difference caused by traditional single-direction polishing.

[0015] 2. The input and output ends of the reversing component are completely flush with the conveying plane of the conveying component, eliminating the height difference of the brick in the process of flowing from the polishing device to the reversing device to the next polishing device. This avoids the brick from bumping, hitting or getting stuck due to the conveying drop, effectively reducing the scrap rate in the conveying process and reducing material waste. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a reversing polishing line according to one embodiment of the present invention; Figure 2 This is a schematic diagram of a commutation device according to one embodiment of the present invention; Figure 3 This is a schematic diagram of a polishing device according to one embodiment of the present invention; Figure 4 yes Figure 2 Enlarged view of point A in the middle; Figure 5 yes Figure 3 Enlarged view of point B in the middle; Figure 6 This is a schematic diagram of a polishing assembly according to one embodiment of the present invention; The components include: 1. Polishing device; 11. Polishing frame; 12. Conveying assembly; 13. Polishing parts; 14. Polishing mounting plate; 15. Polishing assembly; 17. Moving chute; 2. Reversing device; 21. Reversing frame; 22. Reversing assembly; 23. First planar conveyor belt; 24. Arc-shaped conveyor belt; 25. Second planar conveyor belt; 26. Transverse support frame; 30. Planar conveyor motor; 31. Planar conveyor shaft; 32. Planar conveyor pulley; 33. Planar conveyor belt; 34. Planar support frame; 40. Arc-shaped conveyor motor; 41. Arc-shaped conveyor shaft; 42. Arc-shaped conveyor pulley; 43. Arc-shaped conveyor belt; 44. Arc-shaped conveyor support frame; 50. Polishing moving plate; 51. Lifting component; 52. Polishing power component; 53. Transmission component; 54. Polishing bushing; 55. Polishing head; 60. Polishing conveying power component; 61. Polishing conveyor pulley; 62. Polishing conveyor belt. Detailed Implementation

[0017] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0018] In the description of this utility model, it should be understood that the terms "length", "middle", "upper", "lower", "left", "right", "top", "bottom", etc., 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 utility model 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, they should not be construed as limitations on this utility model.

[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "assembly," and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] The following is combined with Figures 1 to 6 This describes a reversing polishing line according to an embodiment of the present invention.

[0022] A reversing polishing line includes a polishing device 1 and a reversing device 2. The reversing device 2 is disposed between two adjacent polishing devices 1. The reversing device 2 includes a reversing frame 21 and a reversing assembly 22. The reversing assembly 22 is mounted on the reversing frame 21. The polishing device 1 includes a polishing frame 11, a conveying assembly 12, and a polishing component 13. The conveying assembly 12 is mounted at the bottom of the polishing frame 11, and the polishing device 1 is mounted at the top of the polishing frame 11. The input end and the output end of the reversing assembly 22 are both flush with the conveying plane of the conveying assembly 12. The reversing component 22 is used to transport the brick and rotate the direction of the brick by 90°, the conveying component 12 is used to transport the brick, and the polishing component 15 is used to polish the surface of the brick.

[0023] A reversing device 2 is positioned between two adjacent polishing devices 1. After the brick is polished in the first polishing device 1, it is conveyed to the reversing device 2. The reversing component 22 can convey the brick and achieve a 90° rotation of the brick. After the rotation, the sides or edges of the brick that were not fully polished are exposed and enter the working area of ​​the second polishing device 1. The conveying component 12 of the second polishing device 1 continues to convey the brick, allowing the polishing component 13 at its top to perform a secondary polishing on the newly exposed surface of the brick, thus solving the problem of uneven polishing and gloss differences caused by traditional single-direction polishing.

[0024] The input and output ends of the reversing component 22 are completely flush with the conveying plane of the conveying component 12, eliminating the height difference of the bricks during the flow of the polishing device 1 → reversing device 2 → next polishing device 1, avoiding the bricks from bumping, hitting or getting stuck due to the conveying drop, effectively reducing the scrap rate in the conveying process and reducing material waste.

[0025] The reversing assembly 22 includes, from front to back, a first flat conveyor belt 23, an arc-shaped conveyor belt 24, and a second flat conveyor belt 25. The input end of the arc-shaped conveyor belt 24 is located between the output ends of two adjacent first flat conveyor belts 23, and the output end of the arc-shaped conveyor belt 24 is located between the input ends of two adjacent second flat conveyor belts 25. The upper conveying surface of the arc conveyor belt 24 is an upwardly convex arc structure, and the highest point of the upper conveying surface of the arc conveyor belt 24 is higher than the upper conveying surface of the first planar conveyor belt 23. Both the first planar conveyor belt 23 and the second planar conveyor belt 25 are flush with the conveying plane of the conveying assembly 12.

[0026] The input end of the curved conveyor belt 24 is precisely positioned between the output ends of two adjacent first planar conveyor belts 23, while the output ends are correspondingly positioned between the input ends of two adjacent second planar conveyor belts 25, forming a seamless conveying channel. During the brick conveying process, the first planar conveyor belts 23 first smoothly convey the bricks to the input end of the curved conveyor belt 24. The curved conveyor belt 24, with its curved structure, guides the bricks to gradually change direction, and finally, the second planar conveyor belts 25 continue to convey the bricks that have completed a 90° turn.

[0027] When the brick enters the curved conveyor belt 24, the convex arc surface on the curved conveyor belt 24 slightly lifts the brick, so that the contact between the bottom of the brick and the curved conveyor belt 24 becomes a curved surface contact. At this time, the friction area between the brick and the arc surface is reduced and the direction of friction force gradually changes with the curvature of the arc surface. This avoids the forced friction and squeezing of the bottom or edge of the brick by the traditional rigid torsion mechanism. It is especially suitable for brittle bricks such as ceramic tiles that are easy to scratch and have easily cracked edges, effectively reducing the surface damage rate of the turning process and ensuring the integrity of the brick's appearance.

[0028] The first planar conveyor belt 23 and the second planar conveyor belt 25 have the same structure. The first planar conveyor belt 23 includes a planar conveyor motor 30, a planar conveyor shaft 31, a planar conveyor pulley 32, a planar conveyor belt 33, and a planar support frame 34. Two planar conveying shafts 31 are arranged side by side along the front-to-back direction on the reversing frame 21. Both ends of the planar conveying shafts 31 are rotatably mounted on the reversing frame 21. Two planar conveying pulleys 32 are respectively fixedly sleeved on the front and rear planar conveying shafts 31. Two planar conveying belts 33 are respectively sleeved on the front and rear planar conveying pulleys 32. The planar conveying motor is mounted on the reversing frame 21, and the drive end of the planar conveying motor is fixedly connected to one of the planar conveying shafts 31. The planar support frame 34 is fixedly installed on the top of the reversing frame 21. The planar support frame 34 abuts against the bottom surface of the upper conveying surface of the planar conveyor belt 33. The planar support frame 34 is used to support the upper conveying surface of the planar conveyor belt 33.

[0029] When the planar conveyor motor 30 starts, it drives the adjacent planar conveyor pulley 32 to rotate, thereby driving the planar conveyor belt 33 and another planar conveyor pulley 32 to rotate, thus achieving the purpose of the first planar conveyor belt 23 or the second planar conveyor belt 25 to smoothly convey bricks.

[0030] The planar support frame 34 is fixed to the top of the reversing frame 21 and directly abuts against the bottom surface of the upper conveying surface of the planar conveyor belt 33. When bricks are placed on the belt surface, the belt is prone to local sagging due to gravity. The planar support frame 34 can completely eliminate this sagging through bottom support, ensuring that the upper conveying surface of the belt always remains flat. The flat conveying surface can prevent bricks from tilting or shifting due to belt indentation, ensuring the stability of the bricks during conveying. This lays the foundation for the precise turning of the subsequent curved conveyor belt 24 and reduces the turning angle deviation caused by uneven conveying.

[0031] The arc-shaped conveyor belt 24 includes an arc-shaped conveyor motor 40, an arc-shaped conveyor shaft 41, an arc-shaped conveyor pulley 42, an arc-shaped conveyor belt 43, and an arc-shaped conveyor support frame 44; Two curved conveyor shafts 41 are arranged side by side in the front-to-back direction on the reversing frame 21. Both ends of the curved conveyor shafts 41 are rotatably mounted on the reversing frame 21. Two curved conveyor pulleys 42 are respectively fixedly sleeved on the front and rear curved conveyor shafts 41. Two curved conveyor belts 43 are respectively sleeved on the front and rear curved conveyor pulleys 42. The curved conveyor motor is mounted on the reversing frame 21. The drive end of the curved conveyor motor is fixedly connected to one of the curved conveyor shafts 41. The arc-shaped conveyor support frame is fixedly installed on the top of the reversing frame 21. The arc-shaped conveyor support frame abuts against the bottom surface of the upper conveying surface of the arc-shaped conveyor belt 43. The arc-shaped conveyor support frame is used to support the upper conveying surface of the arc-shaped conveyor belt 43.

[0032] When the arc-shaped conveyor motor 40 starts, it drives the adjacent arc-shaped conveyor pulley 42 to rotate, which in turn drives the arc-shaped conveyor belt 43 and another arc-shaped conveyor pulley 42 to rotate, thereby achieving the purpose of the first arc-shaped conveyor belt 24 or the second arc-shaped conveyor belt 24 to smoothly transport bricks.

[0033] The curved conveyor support frame is fixed to the top of the reversing frame 21 and directly abuts against the bottom surface of the upper conveying surface of the curved conveyor belt 43, ensuring that the upper conveying surface of the curved conveyor belt 43 always maintains an upwardly convex curved structure. When a brick is placed on the curved conveyor belt 43, the belt is prone to localized deformation due to gravity. The curved conveyor support frame, through its bottom surface contact and support, completely counteracts this deformation, maintaining the stability of the curvature, height, and smoothness of the curved surface. This stable curved shape ensures that all bricks complete a 90° turn along the same preset trajectory, avoiding deviations in turning angle caused by curved surface deformation and ensuring the positioning accuracy of subsequent polishing processes.

[0034] The reversing frame 21 is also provided with a plurality of transverse support frames 26, which are arranged side by side along the front-to-back direction. The length direction of the transverse support frame 26 is the left-to-right direction, and the transverse support frame 26 is fixedly connected to a plurality of planar support frames 34 respectively.

[0035] Multiple planar support frames 34 are fixedly connected to multiple transverse support frames 26 to form a grid-like support frame, thereby significantly improving the deformation resistance of the planar support frames 34. When heavy or large-sized bricks are placed on the planar conveyor belt, the downward pressure on a single planar support frame 34 is transmitted to adjacent planar support frames 34 through the transverse support frames 26, distributing the force across the entire frame rather than a single support member. This avoids the bending and tilting that can occur with traditional independent supports due to excessive local stress, ensuring that the support foundation of the planar conveyor belt 33 remains flat and providing a stable conveying plane for the bricks.

[0036] The polishing component 13 includes a polishing mounting plate 14, a polishing assembly 15, and a moving assembly. The polishing assembly 15 is arranged side by side on the polishing mounting plate along the front-to-back direction. The polishing frame 11 has two movable slides 17 on the top front and back layers. The length direction of the movable slides 17 is left and right. The front and rear ends of the polishing mounting plate 14 are respectively slidably connected to the corresponding movable slides 17. The driving end of the moving component is fixedly connected to the polishing mounting plate 14. The moving component is used to drive the polishing mounting plate 14 to move in the left and right direction.

[0037] The moving component drives the polishing mounting plate 14 to move in the left-right direction, while the polishing components 15 are mounted side-by-side on the mounting plate in the front-back direction, allowing all polishing components 15 mounted on the polishing mounting plate to adjust their left-right positions simultaneously. When processing bricks of different widths, there is no need to replace the polishing parts 13; the lateral coverage of the polishing components 15 can be adjusted by moving the component, ensuring that the polishing components 15 can completely cover the brick surface. This reduces the time cost of changing molds or parts and enhances the versatility of the equipment.

[0038] It is worth noting that the moving component is not shown. The moving component can be a linear motor drive structure, a lead screw and nut transmission structure, or other structures.

[0039] The polishing assembly 15 includes a polishing moving plate 50, a lifting component 51, a polishing power component 52, a transmission component 53, a polishing bushing 54, and a polishing head 55. The lifting component 51 is fixedly installed on the top of the polishing mounting plate 14. The driving end of the lifting component 51 is fixedly installed with the polishing moving plate 50. The lifting component 51 is used to drive the polishing moving plate 50 to move vertically. The polishing power component 52 is installed on the top of the polishing moving plate 50. A vertically downward polishing sleeve is also rotatably installed on the top of the polishing moving plate 50. The driving end of the polishing power component 52 is connected to the polishing bushing 54 through the transmission component 53. The polishing power component 52 is used to drive the polishing bushing 54 to rotate. A polishing head is fixedly sleeved on the bottom of the polishing bushing 54. The polishing head 55 is used to polish the brick.

[0040] When the polishing power unit 52 is activated, the transmission unit 53 transfers the kinetic energy of the polishing power unit 52 to the polishing rotating sleeve, enabling the polishing rotating sleeve to drive the polishing head 55 to rotate. Then, the lifting unit 51 drives the polishing moving plate 50 to move vertically, which can flexibly adjust the height of the polishing head 55 and the contact pressure with the brick surface. This can adapt to the processing needs of bricks of different thicknesses and adjust the polishing intensity according to the material of the brick, avoiding brick damage due to excessive pressure or affecting the polishing effect due to insufficient pressure.

[0041] The conveying assembly 12 includes a polishing conveying power component 60, a polishing conveying pulley 61, and a polishing conveying belt 62. The two polishing conveying pulleys 61 are arranged side by side in the front-to-back direction at the bottom of the polishing frame 11. The polishing conveying belt 62 is sleeved on the two polishing conveying pulleys 61. The driving end of the polishing conveying power component 60 is fixedly connected to one of the polishing conveying pulleys 61.

[0042] The polishing system employs a structure in which polishing conveyor pulleys 61 and a polishing conveyor belt 62 work together. The two polishing conveyor pulleys 61 are arranged side-by-side at the bottom of the polishing frame 11 in a front-to-back direction, and the polishing conveyor belt 62 is fitted onto them, forming a stable and continuous conveying loop. The polishing conveying power unit 60 drives one of the pulleys to rotate, thereby driving the belt to circulate. This ensures that the brick is continuously and stably conveyed forward during the polishing process, avoiding interruptions or jams, and ensuring the continuity and efficiency of the polishing operation.

[0043] The polishing frame 11 has a vertical baffle on its side wall, which is located between the polishing conveyor belt 62 and the polishing moving plate 50.

[0044] When the polishing assembly 15 is working, the polishing head 55 rotates at high speed, which may generate splashes such as brick debris and abrasive particles. The baffle can form a physical barrier to prevent the splashes from spreading to the outside of the polishing frame 11 or the edge of the conveyor belt, thus avoiding damage to the operator from the debris and preventing it from falling into the transmission parts of the equipment and causing jamming or wear, thereby reducing the probability of equipment failure.

[0045] The technical principles of this utility model have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this utility model and should not be construed as limiting the scope of protection of this utility model in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this utility model without any inventive effort, and these embodiments will all fall within the scope of protection of this utility model.

Claims

1. A reversing polishing line, characterized in that, The device includes a polishing unit and a reversing unit. The reversing unit is disposed between two adjacent polishing units. The reversing unit includes a reversing frame and a reversing assembly. The reversing assembly is mounted on the reversing frame. The polishing unit includes a polishing frame, a conveying assembly, and a polishing component. The conveying assembly is mounted at the bottom of the polishing frame, and the polishing unit is mounted at the top of the polishing frame. The input and output ends of the reversing assembly are both flush with the conveying plane of the conveying assembly. The reversing component is used to transport the bricks and rotate the direction of the bricks by 90°, the conveying component is used to transport the bricks, and the polishing component is used to polish the surface of the bricks.

2. The reversing polishing line according to claim 1, characterized in that, The reversing assembly includes, from front to back, a first planar conveyor belt, an arc-shaped conveyor belt, and a second planar conveyor belt. The input end of the arc-shaped conveyor belt is located between the output ends of two adjacent first planar conveyor belts, and the output end of the arc-shaped conveyor belt is located between the input ends of two adjacent second planar conveyor belts. The upper conveying surface of the arc-shaped conveyor belt is an upwardly convex arc structure, and the highest point of the upper conveying surface of the arc-shaped conveyor belt is higher than the upper conveying surface of the first planar conveyor belt. Both the first planar conveyor belt and the second planar conveyor belt are flush with the conveying plane of the conveying assembly.

3. A reversing polishing line according to claim 2, characterized in that, The first and second planar conveyor belts have the same structure. The first planar conveyor belt includes a planar conveyor motor, a planar conveyor shaft, a planar conveyor pulley, a planar conveyor belt, and a planar support frame. Two planar conveying shafts are arranged side by side along the front-to-back direction on the reversing frame. Both ends of the planar conveying shafts are rotatably mounted on the reversing frame. Two planar conveying pulleys are respectively fixedly sleeved on the front and rear planar conveying shafts. Two planar conveying belts are respectively sleeved on the front and rear planar conveying pulleys. The planar conveying motor is mounted on the reversing frame, and the drive end of the planar conveying motor is fixedly connected to one of the planar conveying shafts. The planar support frame is fixedly installed on the top of the reversing frame. The planar support frame abuts against the bottom surface of the upper conveying surface of the planar conveyor belt. The planar support frame is used to support the upper conveying surface of the planar conveyor belt.

4. A reversing polishing line according to claim 3, characterized in that, The arc-shaped conveyor belt includes an arc-shaped conveyor motor, an arc-shaped conveyor shaft, an arc-shaped conveyor pulley, an arc-shaped conveyor belt, and an arc-shaped conveyor support frame; Two curved conveyor shafts are arranged side by side in the front-to-back direction on the reversing frame. Both ends of the curved conveyor shafts are rotatably mounted on the reversing frame. Two curved conveyor pulleys are respectively fixedly sleeved on the front and rear curved conveyor shafts. Two curved conveyor belts are respectively sleeved on the front and rear curved conveyor pulleys. The curved conveyor motor is mounted on the reversing frame, and the drive end of the curved conveyor motor is fixedly connected to one of the curved conveyor shafts. The arc-shaped conveyor support frame is fixedly installed on the top of the reversing frame. The arc-shaped conveyor support frame abuts against the bottom surface of the upper conveying surface of the arc-shaped conveyor belt. The arc-shaped conveyor support frame is used to support the upper conveying surface of the arc-shaped conveyor belt.

5. A reversing polishing line according to claim 4, characterized in that, The reversing frame is also provided with multiple transverse support frames, which are arranged side by side along the front-to-back direction. The length direction of the transverse support frame is the left-to-right direction, and the transverse support frame is fixedly connected to the multiple planar support frames respectively.

6. A reversing polishing line according to claim 5, characterized in that, The polishing component includes a polishing mounting plate, a polishing assembly, and a moving assembly, wherein the polishing assembly is arranged side by side on the polishing mounting plate along the front-to-back direction; The top front and rear layers of the polishing frame are provided with movable slide grooves. The length direction of the movable slide groove is left and right. The front and rear ends of the polishing mounting plate are respectively slidably connected to the corresponding movable slide grooves. The driving end of the moving component is fixedly connected to the polishing mounting plate. The moving component is used to drive the polishing mounting plate to move in the left and right direction.

7. A reversing polishing line according to claim 6, characterized in that, The polishing assembly includes a polishing moving plate, a lifting component, a polishing power component, a transmission component, a polishing bushing, and a polishing head. The lifting component is fixedly installed on the top of the polishing mounting plate, and the polishing moving plate is fixedly installed on the driving end of the lifting component. The lifting component is used to drive the polishing moving plate to move vertically. The polishing power component is installed on the top of the polishing moving plate, and a vertically downward polishing sleeve is also rotatably installed on the top of the polishing moving plate. The driving end of the polishing power component is connected to the polishing bushing through the transmission component, and the polishing power component is used to drive the polishing bushing to rotate. A polishing head is fixedly sleeved on the bottom of the polishing bushing, and the polishing head is used to polish the brick.

8. A reversing polishing line according to claim 7, characterized in that, The conveying assembly includes a polishing conveying power component, a polishing conveying pulley, and a polishing conveying belt. Two polishing conveying pulleys are arranged side by side in the front-to-back direction at the bottom of the polishing frame. The polishing conveying belt is sleeved on the two polishing conveying pulleys. The drive end of the polishing conveying power component is fixedly connected to one of the polishing conveying pulleys.

9. A reversing polishing line according to claim 8, characterized in that, The polishing frame has a vertical baffle on its side wall, which is positioned between the polishing conveyor belt and the polishing moving plate.

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