Turnover device and turnover method for stone machining

Abstract

The invention relates to the field of stone machining, in particular to an overturning device and method for stone machining, the overturning device comprises a rack, an overturning frame and a driving assembly, the overturning frame is rotatably assembled on the rack, and the driving assembly comprises an overturning driver, a chain wheel and a chain ring; an arc-shaped back flushing groove extending in the circumferential direction of the overturning frame is formed in the outer circumferential surface of the overturning frame, and a flowing cavity is formed in the overturning frame; a pulse fan is fixedly installed on the outer side of the overturning frame, and the output end of the pulse fan is connected with a back flushing pipeline in a sealed mode. Through cooperation of the pulse fan, the reverse blowing pipeline, the flowing cavity and the reverse blowing groove, air can be blown into the chain groove of the chain ring in a directional mode before overturning, stone scraps, dust and other impurities remaining in the groove are rapidly removed, and poor meshing or part abrasion caused by impurity clamping stagnation is avoided; and subsequently, lubricating oil mist is mixed into the high-pressure airflow through the oil mist pipeline, so that the lubricating oil mist is uniformly attached to the inner wall of the chain groove, and precise lubrication is realized.

Description

Technical Field

[0001] This application relates to the technical field of stone processing, and in particular to a turning device and turning method for stone processing. Background Technology

[0002] Stone turning machines are core equipment in the stone processing industry used for turning and transferring slabs and blocks. Their typical structure mainly includes a frame, a turning frame, a drive mechanism, a drive sprocket, and chain links. The turning frame is used to carry the material to be turned. The chain links are fixed to the outside or end of the turning frame and form a rotatable connection with the frame. The drive sprocket and chain links work together to drive the turning frame to rotate through the output power of the drive mechanism, thereby realizing the turning action of the material. They are widely used in stone workshops, open-air storage yards, and other scenarios.

[0003] The problem with the relevant technology is that a large amount of stone particles, cutting debris, dust, and mortar residue are generated during stone processing. These impurities are easily detached from the stone surface during material turning and transfer, or diffused into the equipment's transmission area by airflow. Currently, most mainstream stone turning machines use open or semi-open designs for their chain link components, which increases the risk of impurities entering the gear meshing gap. The structural characteristics of the tooth grooves also make it easy for impurities to accumulate and difficult to detach.

[0004] Impurities accumulated in the tooth grooves will cause grinding and wear on the tooth surface, tooth root and drive sprocket during the meshing of gear chain links, resulting in increased meshing clearance and reduced transmission accuracy. Large particles of impurities stuck in the tooth grooves will hinder the normal meshing of gears and chain links, causing abnormal noises and momentary jamming in the equipment, and in severe cases, causing the motor to overload and stop.

[0005] Existing technologies for treating chain link impurities mainly rely on regular manual cleaning. However, the stone processing environment has a large amount of dust and continuous impurity generation, making manual cleaning inefficient, time-consuming, and difficult to achieve real-time maintenance. Summary of the Invention

[0006] In order to facilitate the cleaning of impurities in the tooth groove and ensure transmission accuracy and stable operation of the equipment, this application provides a turning device and turning method for stone processing.

[0007] On the one hand, the stone processing turning device provided in this application includes a frame, a turning frame and a drive assembly. The turning frame is rotatably mounted on the frame. The drive assembly includes a turning driver, a sprocket and a chain link. The turning driver is fixed to the frame. The sprocket is installed on the driving end of the turning driver. The chain link is fixed to the outer circumferential surface of the turning frame and meshes with the sprocket to achieve transmission.

[0008] The outer circumferential surface of the tilting frame is provided with an arc-shaped back-blowing groove extending in its circumferential direction. The interior of the tilting frame is provided with a flow cavity, which is connected to the back-blowing groove and the back-blowing groove is connected to the chain groove of the chain link.

[0009] A pulse blower is fixedly installed on the outside of the tilting frame. The output end of the pulse blower is sealed and connected to a backflush pipe. The end of the backflush pipe away from the pulse blower passes through the side wall of the tilting frame and is sealed and connected to the flow chamber. High-pressure air is delivered to the flow chamber through the pulse blower. The high-pressure air is blown directionally to the chain groove of the chain link through the backflush groove.

[0010] Optionally, the backflush groove is divided into an input section, a middle section, and an output section along the flow direction of the high-pressure air. The input section connects the flow cavity and the middle section, and its inner diameter gradually decreases along the direction close to the middle section. The output section connects the middle section and the chain groove, and its inner diameter gradually increases along the direction away from the middle section.

[0011] Optionally, the tilting frame is also equipped with an oil supply system. The output port of the oil supply system is connected to an oil mist pipe, which is connected to a backflush pipe. The oil supply system outputs lubricating oil mist to the backflush pipe through the oil mist pipe. After the lubricating oil mist mixes with the high-pressure air, it is blown into the chain groove of the chain link along with the high-pressure air.

[0012] Optionally, the flipping frame includes two coaxial and relatively distributed flipping ring plates, and two support frames connected between the two flipping ring plates. The surfaces of the two flipping ring plates are provided with notches, which extend radially to their center positions. Two chain links are provided, which are respectively fixedly installed on the outer circumferential surfaces of the two flipping ring plates.

[0013] Optionally, it also includes a centering support assembly, which includes a centering driver and a support plate. The centering driver is fixed to the tilting frame, and its telescopic drive end extends horizontally toward the center of the tilting frame. The support plate is fixed to the telescopic drive end.

[0014] The flipping frame forms a placement cavity for placing stone, and the support plate has at least two pieces, which are evenly distributed along the circumference of the placement cavity.

[0015] Optionally, the tilting frame has a mounting groove reserved on the side of each support plate away from the placement cavity. A transmission roller group is rotatably installed in the mounting groove. The transmission roller group includes multiple rollers evenly distributed along the length direction of the tilting frame. The rotation axis of each roller is perpendicular to the length direction of the tilting frame. The tilting frame has an inlet and an outlet at both ends along its length.

[0016] The support plate has a through groove on its surface. When the centering driver moves the support plate away from the placement cavity, part of the transmission roller assembly can extend through the through groove to the side of the support plate closer to the placement cavity.

[0017] Optionally, the flipping frame has an insert groove extending through its end face. At least two partitions are spaced apart along its circumference in the insert groove to divide it into several independent sub-grooves. Each sub-grooves is sealed with a flow guide box. The backflush pipe is connected to the flow guide box, and the flow cavity is formed inside the flow guide box. Ventilation holes are provided on the outer circumferential surface of the flow guide box, and the backflush groove is connected to the flow cavity through the ventilation holes.

[0018] On the other hand, this application also provides a method for turning stone processing, using the turning device described above, including the following steps:

[0019] S1. Transfer the stone to be processed onto the tilting frame using a trolley or transfer device;

[0020] S2. Before the flipping action, start the pulse blower and blow high-pressure air into the flow chamber through the back-blowing pipe. The high-pressure air is blown into the chain groove through the back-blowing groove to blow out the impurities in the chain groove.

[0021] S3. After the pulse blower has been working continuously for a preset time, the oil supply system is started, and lubricating oil mist is introduced into the backflush pipe through the oil mist pipe. The lubricating oil mist is blown into the chain groove along with the high-pressure air through the flow chamber and backflush groove, so that the lubricating oil mist adheres to the inner wall of the chain groove of the chain link.

[0022] S4. The oil supply system stops working first, and the pulse blower continues to supply high-pressure air to continuously blow out the lubricating oil mist remaining in the flow chamber and backflush groove. Then the pulse blower stops working.

[0023] S5. Start the flipping drive. The flipping drive drives the sprocket to rotate, the sprocket drives the meshing chain links to rotate, and in turn drives the flipping frame to rotate. The stone in the cavity completes the flipping action as the flipping frame rotates.

[0024] S6. After flipping to the preset angle, transfer the stone from the flipping frame to the subsequent processing station.

[0025] In summary, this application includes at least one of the following beneficial technical effects:

[0026] 1. By combining a pulse blower, backflush pipe, flow chamber, and backflush groove, air can be blown directionally into the chain groove of the chain link before flipping to quickly remove residual stone debris, dust, and other impurities in the groove, avoiding impurities from getting stuck and causing poor meshing or component wear; subsequently, lubricating oil mist is mixed into the high-pressure airflow through the oil mist pipe, so that the lubricating oil mist is evenly attached to the inner wall of the chain groove to achieve precise lubrication.

[0027] 2. The tilting frame, through the coordinated arrangement of mounting slots, partitions, and flow guide boxes, modularly designs the flow chamber as an independent flow guide box structure. The backflush pipe is sealed and connected to the flow guide box, and the backflush groove is connected to the flow chamber through the ventilation holes of the flow guide box. This design allows the flow guide box to be disassembled and replaced individually, facilitating the cleaning of oil residue in the flow chamber and reducing maintenance costs. Attached Figure Description

[0028] Figure 1 This is a side view structural diagram of an embodiment of this application.

[0029] Figure 2 This is a frontal cross-sectional structural diagram of an embodiment of this application.

[0030] Figure 3 yes Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0031] Figure 4 This is a top cross-sectional structural diagram of an embodiment of this application.

[0032] Figure 5 yes Figure 4 Enlarged schematic diagram of the structure at point B.

[0033] Figure 6 yes Figure 4 Enlarged schematic diagram of the structure at point C.

[0034] Reference numerals: 1. Frame; 2. Tilting frame; 21. Tilting ring plate; 22. Support frame; 23. Notch; 24. Centering support assembly; 241. Centering driver; 242. Support plate; 25. Placement cavity; 3. Drive assembly; 31. Tilting driver; 32. Sprocket; 33. Chain link; 4. Backflush groove; 41. Input section; 42. Middle section; 43. Output section; 5. Flow cavity; 6. Chain groove; 7. Pulse fan; 8. Backflush pipe; 9. Oil supply system; 10. Oil mist pipe; 11. Drive roller group; 111. Roller body; 12. Partition plate; 13. Flow guide box; 131. Ventilation hole. Detailed Implementation

[0035] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0036] This application discloses a turning device for stone processing. (Refer to...) Figure 1 The device includes a frame 1, a tilting frame 2, and a drive assembly 3. The tilting frame 2 and the drive assembly 3 are both mounted on the frame 1. The tilting frame 2 can rotate relative to the frame 1. The stone to be processed can be placed on the tilting frame 2. The drive assembly 3 drives the tilting frame 2 to rotate, and the stone to be processed is tilted as the tilting frame 2 rotates.

[0037] The tilting frame 2 includes two coaxial and relatively distributed tilting ring plates 21, and two support frames 22 connected between the two tilting ring plates 21. The two support frames 22 are symmetrically distributed along the circumference of the tilting ring plates 21 to form a lightweight and sufficiently rigid frame structure. The surfaces of the two tilting ring plates 21 are provided with notches 23, which extend radially along the tilting ring plates 21 to their center position, facilitating the hoisting, feeding and discharging of the stone. The tilting frame 2 has a placement cavity 25 that connects to the notches 23 inside. The placement cavity 25 is used to place the stone, and its two ends in the length direction are the feeding port and the discharging port, respectively.

[0038] Furthermore, the drive assembly 3 includes a tilting drive 31, a sprocket 32, and a chain link 33. The tilting drive 31 is a geared motor, which is fixed to the side of the frame 1 by bolts. The sprocket 32 ​​is mounted on the output shaft of the tilting drive 31 by a flat key. There are two chain links 33, which are fixed to the outer circumference of the two tilting ring plates 21 by high-strength bolts, and the chain groove 6 of the chain link 33 meshes with the sprocket 32 ​​to realize the power transmission from the tilting drive 31 to the tilting frame 2.

[0039] Furthermore, the frame 1 is constructed using welded steel sections to form a frame structure, with bearing seats symmetrically installed on both sides. When there are two chain links 33, the number of sprockets 32 is preferably four. The four sprockets 32 are symmetrically distributed on both sides of the flip ring plate 21 in pairs. The two sprockets 32 in the same group are connected by a rotating shaft to achieve synchronous transmission. The rotating shaft is rotatably mounted on the frame 1 through the bearing seats.

[0040] Reference Figure 2 and Figure 3 An arc-shaped back-blowing groove 4 extending circumferentially is provided on the outer circumferential surface of the flipping ring plate 21 of the flipping frame 2. The back-blowing groove 4 is divided into an input section 41, a middle section 42 and an output section 43. The inner diameter of the input section 41 gradually decreases in the direction close to the middle section 42, and the inner diameter of the output section 43 gradually increases in the direction away from the middle section 42. The chain groove 6 of the sprocket 32 ​​is connected to the output section 43 of the back-blowing groove 4.

[0041] The flipping ring plate 21 of the flipping frame 2 has an insert groove that runs through its end face. At least two partitions 12 are distributed circumferentially in the insert groove, dividing the insert groove into several independent sub-grooves. Each sub-grooves is sealed with a flow guide box 13. The flow guide box 13 is made of wear-resistant engineering plastic, and its outer circumferential surface is sealed to the inner wall of the insert groove by a sealing ring.

[0042] A flow cavity 5 is formed inside the flow guide box 13, and a ventilation hole 131 is provided on the outer peripheral surface of the flow guide box 13. The backflush groove 4 is connected to the flow cavity 5 through the ventilation hole 131.

[0043] A pulse blower 7 is fixedly installed on the outside of the support frame 22 of the flipping frame 2 by a bracket. The output end of the pulse blower 7 is connected to a backflush pipe 8 through a flange seal. The end of the backflush pipe 8 away from the pulse blower 7 is sealed and connected to the guide box 13.

[0044] With the above structure, when the pulse blower 7 starts, it can blow high-pressure air into the backflush pipe 8. The high-pressure air enters the flow chamber 5 of the guide box 13 along the backflush pipe 8, and then enters the backflush groove 4 through the flow chamber 5. After passing through the input section 41, the middle section 42 and the output section 43 of the backflush groove 4, it is output to the chain groove 6 to blow out the stone particles, dust and other particles in the chain groove 6, so as to avoid impurities from getting stuck and causing poor meshing or wear of parts.

[0045] Furthermore, the tilting frame 2 is also equipped with an oil supply system 9, which uses an oil mist generator. The output port is connected to an oil mist pipe 10. The end of the oil mist pipe 10 away from the oil supply system 9 is connected to the backflush pipe 8 through a connector to achieve mixing of lubricating oil mist and high-pressure air. When the oil-air mixture is blown towards the chain groove 6, the lubricating oil mist can adhere to the inner wall of the chain groove 6 to achieve precise lubrication.

[0046] Reference Figure 2 and Figure 4 A centering support assembly 24 is provided in the placement cavity 25 of the flipping frame 2. The centering support assembly 24 includes a centering driver 241 and a support plate 242. The centering driver 241 is an electric actuator or a cylinder, which is fixedly installed on the support frame 22 of the flipping frame 2. The telescopic drive end extends horizontally towards the placement cavity 25. The support plate 242 is fixed to the telescopic drive end by bolts. There are three support plates 242, which are evenly distributed along the circumference of the placement cavity 25. Except for the notch 23, one is provided in each of the other directions.

[0047] The stone to be processed can be transferred to the placement cavity 25 by the transfer device, and supported by one of the support plates 242. The centering driver 241 drives each support plate 242 to move towards the center of the placement cavity 25, adjusting the posture of the stone so that the center of the stone coincides with the rotation axis of the flipping frame, so as to ensure the balance and stability of the stone during the flipping process.

[0048] Furthermore, the support frame 22 of the flipping frame 2 has a reserved mounting groove on the side of each support plate 242 away from the placement cavity 25. A transmission roller group 11 is provided in the mounting groove. The transmission roller group 11 includes multiple rollers 111 evenly distributed along the length direction of the flipping frame 2. The rotation axis of each roller 111 is perpendicular to the length direction of the flipping frame 2. The rollers 111 are rotatably engaged with the inner wall of the mounting groove through bearing seats.

[0049] Correspondingly, a through groove is formed on the surface of the support plate 242. The width of the groove is adapted to the length of the roller body 111. When the centering driver 241 moves the support plate 242 away from the placement cavity 25, the upper part of the roller body 111 can extend through the through groove to the side of the support plate 242 near the placement cavity 25, forming a stone transfer support surface. After the stone is flipped, it is placed on the transfer support surface and can be discharged along the length direction of the placement cavity 25 by rolling friction with the roller body 111.

[0050] Furthermore, this application embodiment also provides a stone processing flipping method, which uses the above-mentioned stone processing flipping device and includes the following steps:

[0051] S1. The stone to be processed is transferred to the placement cavity 25 by a trolley or transfer device, and is supported by one of the support plates 242. The telescopic end of the centering driver 241 extends and drives the three support plates 242 to move towards the center of the placement cavity 25 simultaneously until the support plates 242 are in close contact with the stone surface and the stone's posture and position are adjusted to achieve the centering and clamping of the stone, thus avoiding the stone from shifting or colliding during the flipping process.

[0052] S2. Before the flipping action, start the pulse blower 7 and blow high-pressure air into the flow chamber 5 through the back-blowing pipe 8. The high-pressure air is blown into the chain groove 6 through the back-blowing groove 4 to blow out the impurities in the chain groove 6. Since the input section 41 of the back-blowing groove 4 has a narrow diameter design, the flow velocity of the high-pressure air increases when it flows through the input section 41. After being stabilized through the middle section 42, it is blown directionally from the output section 43 (expanded diameter design) to the chain groove 6 of the chain link 33 to blow out the stone chips, dust and other impurities accumulated in the chain groove 6.

[0053] S3. After the pulse blower 7 has been working continuously for a preset time, the oil supply system 9 is started, and lubricating oil mist is introduced into the backflush pipe 8 through the oil mist pipe 10. The lubricating oil mist is blown into the chain groove 6 along with the high-pressure air through the flow chamber 5 and the backflush groove 4, so that the lubricating oil mist adheres to the inner wall of the chain groove 6 of the chain link 33 and the tooth surface of the sprocket 32.

[0054] S4. The oil supply system 9 stops working first, and the pulse blower 7 continues to supply high-pressure air to continuously blow out the lubricating oil mist remaining in the flow chamber 5 and backflush groove 4. Then the pulse blower 7 stops working to complete the cleaning and lubrication process.

[0055] S5. Start the flip drive 31. The flip drive 31 drives the sprocket 32 ​​to rotate. The sprocket 32 ​​drives the meshing chain link 33 to rotate, which in turn drives the flip frame 2 to rotate. The stone in the placement cavity 25 completes the flipping action as the flip frame 2 rotates. According to the processing requirements, control the start and stop of the flip drive 31 to flip the stone to a preset angle (such as 90° or 180°) to complete the flipping action.

[0056] S6. After flipping to the preset angle, turn off the flipping driver 31 and start the centering driver 241 to control the support plate 242 away from the placement cavity 25. The flipped stone moves downward with its own weight along with the support plate 242 below it, and finally the roller body 111 of the transmission roller group 11 extends through the through groove to the side of the placement cavity 25 and contacts the stone surface. The stone is transported from the discharge port to the subsequent processing station by the rotation of the roller body 111, completing the entire flipping and transfer process.

[0057] This application provides a stone processing flipping device and flipping method. Through the cooperation of pulse blower 7, back-blowing pipe 8, flow chamber 5 and back-blowing groove 4, air can be blown directionally into the chain groove 6 of chain link 33 before flipping to quickly remove residual stone debris, dust and other impurities in the groove, and avoid impurities from getting stuck, causing poor meshing or wear of parts. Subsequently, lubricating oil mist is mixed into the high-pressure airflow through oil mist pipe 10, so that the lubricating oil mist is evenly attached to the inner wall of chain groove 6 to achieve precise lubrication.

[0058] The tilting frame 2, through the cooperation of the mounting slot, partition 12, and flow guide box 13, modularly designs the flow chamber 5 as an independent flow guide box structure. The backflush pipe 8 is sealed and connected to the flow guide box 13, and the backflush groove 4 is connected to the flow chamber 5 through the ventilation hole 131 of the flow guide box 13. This design allows the flow guide box 13 to be disassembled and replaced separately, facilitating the cleaning of oil stains remaining in the flow chamber 5 and reducing maintenance costs.

[0059] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A stone processing turning device, comprising a frame, a turning frame, and a drive assembly, wherein the turning frame is rotatably mounted on the frame, and the drive assembly comprises a turning driver, a sprocket, and a chain link; the turning driver is fixed to the frame, the sprocket is mounted on the driving end of the turning driver, and the chain link is fixed to the outer circumferential surface of the turning frame and meshes with the sprocket to achieve transmission, characterized in that: The outer circumferential surface of the tilting frame is provided with an arc-shaped back-blowing groove extending in its circumferential direction. The interior of the tilting frame is provided with a flow cavity, which is connected to the back-blowing groove and the back-blowing groove is connected to the chain groove of the chain link. A pulse blower is fixedly installed on the outside of the tilting frame. The output end of the pulse blower is sealed and connected to a backflush pipe. The end of the backflush pipe away from the pulse blower passes through the side wall of the tilting frame and is sealed and connected to the flow chamber. High-pressure air is delivered to the flow chamber through the pulse blower. The high-pressure air is blown directionally to the chain groove of the chain link through the backflush groove.

2. The stone processing turning device according to claim 1, characterized in that: The backflush groove is divided into an input section, a middle section, and an output section along the flow direction of high-pressure air. The input section connects the flow cavity and the middle section, and its inner diameter gradually decreases as it approaches the middle section. The output section connects the middle section and the chain groove, and its inner diameter gradually increases as it moves away from the middle section.

3. The stone processing turning device according to claim 1, characterized in that: The tilting frame is also equipped with an oil supply system. The output port of the oil supply system is connected to an oil mist pipe, which is connected to a backflush pipe. The oil supply system outputs lubricating oil mist to the backflush pipe through the oil mist pipe. After the lubricating oil mist mixes with the high-pressure air, it is blown into the chain groove of the chain link along with the high-pressure air.

4. The stone processing turning device according to claim 3, characterized in that: The flipping frame includes two coaxial and relatively distributed flipping ring plates, and two support frames connected between the two flipping ring plates. The surfaces of the two flipping ring plates are provided with notches, which extend radially to their center positions. Two chain links are provided, which are respectively fixedly installed on the outer circumference of the two flipping ring plates.

5. The stone processing turning device according to claim 1, characterized in that: It also includes a centering support assembly, which includes a centering driver and a support plate. The centering driver is fixed to the tilting frame, and its telescopic drive end extends horizontally toward the center of the tilting frame. The support plate is fixed to the telescopic drive end. The flipping frame forms a placement cavity for placing stone, and the support plate has at least two pieces, which are evenly distributed along the circumference of the placement cavity.

6. The stone processing turning device according to claim 5, characterized in that: The flipping frame has a mounting groove reserved on the side of each support plate away from the placement cavity. A transmission roller group is rotatably installed in the mounting groove. The transmission roller group includes multiple rollers evenly distributed along the length direction of the flipping frame. The rotation axis of each roller is perpendicular to the length direction of the flipping frame. The flipping frame has a feed port and a discharge port at both ends along its length direction. The support plate has a through groove on its surface. When the centering driver moves the support plate away from the placement cavity, part of the transmission roller assembly can extend through the through groove to the side of the support plate closer to the placement cavity.

7. The stone processing turning device according to claim 1, characterized in that: The flipping frame has an insert groove that extends through its end face. At least two partitions are distributed circumferentially within the insert groove to divide it into several independent sub-grooves. Each sub-grooves is sealed with a flow guide box. The backflush pipe is connected to the flow guide box, and the flow cavity is formed within the flow guide box. Ventilation holes are provided on the outer circumferential surface of the flow guide box, and the backflush groove is connected to the flow cavity through the ventilation holes.

8. A method for turning stone processing, employing the turning device as described in any one of claims 1-7, characterized in that, Includes the following steps: S1. Transfer the stone to be processed onto the tilting frame using a trolley or transfer device; S2. Before the flipping action, start the pulse blower and blow high-pressure air into the flow chamber through the back-blowing pipe. The high-pressure air is blown into the chain groove through the back-blowing groove to blow out the impurities in the chain groove. S3. After the pulse blower has been working continuously for a preset time, the oil supply system is started, and lubricating oil mist is introduced into the backflush pipe through the oil mist pipe. The lubricating oil mist is blown into the chain groove along with the high-pressure air through the flow chamber and backflush groove, so that the lubricating oil mist adheres to the inner wall of the chain groove of the chain link. S4. The oil supply system stops working first, and the pulse blower continues to supply high-pressure air to continuously blow out the lubricating oil mist remaining in the flow chamber and backflush groove. Then the pulse blower stops working. S5. Start the flipping drive. The flipping drive drives the sprocket to rotate, and the sprocket drives the meshing chain links to rotate, which in turn drives the flipping frame to rotate. The stone in the cavity completes the flipping action as the flipping frame rotates. S6. After flipping to the preset angle, transfer the stone from the flipping frame to the subsequent processing station.

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