Online turnover mechanism and online turnover method for workpieces

Abstract

The invention relates to the technical field of automation equipment, and provides an on-line turnover mechanism and an on-line turnover method for workpieces, the on-line turnover mechanism is used for turning over the workpieces, the on-line turnover mechanism comprises a rack, the bottom of the rack is provided with a channel located on a workpiece conveying path; a lifting unit and an overturning unit are further arranged on the rack, and the overturning unit is provided with a rotating disc and a clamping piece arranged on the rotating disc; when the workpiece moves into the channel along with the conveying equipment, the clamping piece in the overturning unit firstly clamps the workpiece, then the lifting unit lifts the clamped workpiece to a preset height, and finally the rotating disc drives the clamping piece and the workpiece to overturn by a preset angle together, so that automatic overturning operation of the workpiece is completed. According to the working mode, the working efficiency is improved, the overturning precision is guaranteed, meanwhile, automatic operation is achieved, and the labor cost is effectively reduced.

Description

Technical Field

[0001] The present invention belongs to the field of automation equipment, and in particular relates to an online turning mechanism and an online turning method for a workpiece. Background Art

[0002] In the actual application of automated production lines, workpieces often need to flow continuously between multiple processes to complete various processing operations such as stamping, welding, assembly, testing, spraying, polishing, etc. In order to effectively process different surfaces or different orientations of the workpiece, it is often necessary to adjust the workpiece's posture after completing a certain process, especially to perform workpiece flipping operations to facilitate the smooth progress of subsequent processes.

[0003] In the existing technology, the method for handling workpiece flipping mainly relies on manual operation. Specifically, after completing the previous process, the operator needs to remove the workpiece from the conveyor line, manually flip it, and then put the flipped workpiece back into the conveyor line to continue the subsequent processing process. This method of relying on manual flipping has the following significant problems:

[0004] Low production efficiency: The manual flipping process takes a long time and can easily become a "bottleneck" in the entire production process, resulting in longer cycle times for the entire production line and reduced overall automation levels and production capacity.

[0005] Poor flipping accuracy: There is a lack of unified standards for manual operation, and the flip angle and posture control are not precise enough, which may lead to inaccurate positioning in subsequent processing, affect product quality, and even cause malfunction of processing equipment or damage to workpieces.

[0006] High labor costs: As labor costs continue to rise, companies need to invest more human resources to maintain production rhythm, which increases operating costs and reduces market competitiveness. Summary of the Invention

[0007] In response to the above-mentioned shortcomings of the existing technology, the technical problem to be solved by the present invention is to propose an online flipping mechanism and an online flipping method for workpieces. By disposing a channel located on the workpiece conveying path at the bottom of the frame, and arranging a lifting unit and a flipping unit on the frame, when the workpiece moves into the channel, the clamping member in the flipping unit first clamps the workpiece, then the lifting unit lifts the clamped workpiece to a preset height, and finally the rotating disk drives the clamping member and the workpiece to flip together to a preset angle, thereby completing the automatic flipping operation of the workpiece. This working method not only improves work efficiency and ensures flipping accuracy, but also realizes automated operation and effectively reduces labor costs.

[0008] The technical solution adopted by the present invention to solve the technical problem is to propose an online turning mechanism for turning the workpiece, comprising:

[0009] a frame, the bottom of which is provided with a channel located on the workpiece transport path;

[0010] A lifting unit, which is provided on the frame and is used to drive the workpiece to rise to a preset height;

[0011] A flipping unit is arranged on the frame and located below the lifting unit. The flipping unit has a rotating disk and a clamping member arranged on the rotating disk. The clamping member is used to clamp the workpiece in the channel. The rotating disk drives the workpiece at a preset height to flip through the clamping member.

[0012] In the above-mentioned online turning mechanism, the turning unit further comprises:

[0013] A support base is provided on the frame and connected to the lifting unit, and the rotating disk is rotatably provided on the support base;

[0014] a bracket, which is fixed on the rotating disk;

[0015] a first moving block, wherein the bracket is provided with a first slide rail, the first moving block is provided with a first slider, the first moving block is slidably arranged on the first slide rail via the first slider, and the clamping member is connected to the first moving block, and the first moving block is used to drive the clamping member to move;

[0016] A first driving member is provided on the support seat, and an output end of the first driving member is connected to the first moving block, so as to drive the first moving block to slide on the bracket.

[0017] In the above-mentioned online turning mechanism, the turning unit further comprises:

[0018] a gear, which is disposed on the support seat and connected to the rotating disk;

[0019] a rack movably disposed on the support base, the gear meshing with the rack, and the rack being used to drive the gear to rotate;

[0020] The second driving member has an output end connected to a second moving block. The rack is fixed on one side of the second moving block. The second driving member drives the rack to move in a horizontal direction through the second moving block.

[0021] In the above-mentioned online turning mechanism, the turning unit further comprises:

[0022] A driven gear, which is arranged on the support seat and connected to the rotating disk;

[0023] A driving gear, which is arranged on the support seat and meshes with the driven gear, and is used to drive the driven gear to rotate;

[0024] The third driving member, the driving gear is connected to the output end of the third driving member, and the third driving member is used to drive the driving gear to rotate.

[0025] In the above-mentioned online turning mechanism, a protrusion is provided on the circumferential direction of the rotating disk, and a limiting member is provided on the support seat. The limiting member movably abuts against the protrusion to provide a limit for the rotation of the rotating disk.

[0026] In the above-mentioned online turning mechanism, the protrusion is connected to a guide block, the support seat is provided with a fixed block, the fixed block is provided with an arc-shaped guide groove, and one end of the guide block is movably inserted in the arc-shaped guide groove.

[0027] In the above-mentioned online turning mechanism, the lifting unit includes:

[0028] A chain, one end of which is connected to the support base, for driving the support base to rise and fall;

[0029] a sprocket, on which the chain is engaged, and the sprocket is used to drive the chain to move;

[0030] The fourth driving member is arranged on the frame and located above the support seat. The output end of the fourth driving member is provided with a rotating shaft. The sprocket is connected to the rotating shaft. The fourth driving member drives the sprocket to rotate through the rotating shaft.

[0031] In the above-mentioned online turning mechanism, the frame is provided with a second slide rail along the vertical direction, the support seat is provided with a second slider, and the support seat is slidably provided on the second slide rail through the second slider.

[0032] In the above-mentioned online turning mechanism, the clamping member is provided with a clamping groove, the clamping groove matches the outer wall profile of the workpiece, and the side wall of the workpiece is clamped in the clamping groove.

[0033] The technical solution adopted by the present invention to solve the technical problem is to also propose an online turning method for a workpiece, comprising the steps of:

[0034] S1. The first driving member drives the clamping member to clamp the workpiece moving into the channel through the first moving block;

[0035] S2, the fourth driving member drives the support base to rise through the sprocket and chain, thereby driving the workpiece clamped by the clamping member to rise synchronously to a preset height;

[0036] S3. When the workpiece rises to a preset height, the rotating disk rotates, thereby driving the clamping member and the clamped workpiece to rotate to a preset angle, completing the flip;

[0037] S4: After the flip is completed, the fourth driving member drives the support base to descend to the initial height through the sprocket and chain;

[0038] S5. The first driving member drives the clamping member to loosen and move away from the workpiece after the flipping is completed through the first moving block.

[0039] Compared with the prior art, the present invention has the following beneficial effects:

[0040] (1) A channel is provided on the frame on the workpiece conveying path, and a lifting unit and a flipping unit are provided on the frame. When the workpiece moves into the channel, the clamping member in the flipping unit first clamps the workpiece, and then the lifting unit lifts the clamped workpiece to a preset height. Finally, the rotating disk drives the clamping member and the workpiece to flip together at a preset angle, thereby completing the automatic flipping operation of the workpiece. This working method not only improves work efficiency, but also ensures flipping accuracy, while realizing automated operation and effectively reducing labor costs.

[0041] (2) A first moving block driving structure consisting of a first slide rail, a first slider and a first driving member is provided in the flipping unit to drive the clamping member to move horizontally to achieve stable clamping of the workpiece; a clamping groove matching the shape of the workpiece is provided on the clamping member, which improves the clamping stability through structural limitation, prevents the workpiece from sliding or falling off during lifting and flipping, and significantly improves the adaptability and reliability of the clamping.

[0042] (3) This solution provides two flipping drive modes: the first is to drive the rack to move in the horizontal direction through the second drive member, and the rack drives the gear to rotate after the rack engages with the gear, and the gear is fixedly connected to the rotating disk, thereby achieving precise angle control of the rotating disk; the second is to drive the driving gear to rotate through the third drive member, and the driving gear drives the driven gear to rotate after the driving gear engages with the driven gear, and the driven gear is fixedly connected to the rotating disk, thereby achieving high-precision angle flipping; the two drive modes can be flexibly switched according to actual production needs, thereby improving the system's adaptability to different working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a three-dimensional diagram of this scheme.

[0044] Figure 2 yes Figure 1 A stereogram showing another orientation.

[0045] Figure 3 yes Figure 2 A three-dimensional diagram of the hidden structure.

[0046] Figure 4 It is a three-dimensional diagram of the hidden part structure of the flip unit in this solution.

[0047] Figure 5 yes Figure 4 A three-dimensional diagram of the hidden structure.

[0048] Figure 6 It is a three-dimensional diagram of the flip unit in this solution that hides another part.

[0049] Figure 7 yes Figure 6 A three-dimensional diagram of the hidden structure.

[0050] In the figure, 1. frame; 2. channel; 3. lifting unit; 4. flip unit; 5. rotating disk; 6. clamping member; 7. supporting seat; 8. bracket; 9. first moving block; 10. first slide rail; 11. first slider; 12. first driving member; 13. gear; 14. rack; 15. second driving member; 16. second moving block; 17. driven gear; 18. driving gear; 19. third driving member; 20. protrusion; 21. limit member; 22. guide block; 23. fixed block; 24. arc guide groove; 25. chain; 26. sprocket; 27. fourth driving member; 28. rotating shaft; 29. ​​second slide rail; 30. second slider; 31. engaging groove. DETAILED DESCRIPTION

[0051] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0052] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0053] like Figures 1 to 7 As shown, the present invention provides an online flipping mechanism for flipping a workpiece, comprising: a frame 1, a channel 2 located on the workpiece transport path is provided at the bottom thereof; a lifting unit 3, which is provided on the frame 1, and is used to drive the workpiece to a preset height; a flipping unit 4, which is provided on the frame 1 and is located below the lifting unit 3, and the flipping unit 4 has a rotating disk 5 and a clamping member 6 provided on the rotating disk 5, the clamping member 6 is used to clamp the workpiece in the channel 2, and the rotating disk 5 drives the workpiece at the preset height to flip through the clamping member 6.

[0054] During operation, the conveyor transports workpieces destined for the next process along a predetermined transport path, passing through channel 2 at the bottom of the frame 1. When the workpiece reaches a designated position within channel 2, the gripper 6 in the flipping unit 4 activates, clamping and securing the workpiece within channel 2. Once clamped, the lifting unit 3 activates, driving the gripper 6 and its gripped workpiece to rise synchronously to a preset height. This preset height serves as the starting point for the flipping operation and is typically higher than the conveyor's operating height to prevent interference with the conveyor or other structures during the flipping process. Once the workpiece reaches the preset height, the rotating disk 5 in the flipping unit 4 rotates, driving the gripper 6 and workpiece to complete the flipping operation, enabling a 180° or other predetermined angle flip. After the flip is complete, the lifting unit 3 activates again, driving the gripper 6 and workpiece to descend synchronously to their initial position—the height at which the workpiece was originally placed. The gripper 6 then releases the workpiece and automatically returns to its initial grip, preparing for the next flip. At this point, the flipped workpiece falls back onto the conveyor, which then transports it away from channel 2 for subsequent processing or testing, thus achieving an online, continuous, and automated flipping process. This approach not only improves work efficiency and ensures flipping accuracy, but also enables automated operation and effectively reduces labor costs.

[0055] Further preferably, the flipping unit 4 also includes: a support seat 7, which is arranged on the frame 1 and connected to the lifting unit 3, and the rotating disk 5 is rotatably arranged on the support seat 7; a bracket 8, which is fixed on the rotating disk 5; a first moving block 9, a first slide rail 10 is arranged on the bracket 8, and a first slider 11 is arranged on the first moving block 9, the first moving block 9 is slidably arranged on the bracket 8 through the first slider 11, and the clamping member 6 is connected to the first moving block 9, and the first moving block 9 is used to drive the clamping member 6 to move; a first driving member 12, which is arranged on the support seat 7, and the output end of the first driving member 12 is connected to the first moving block 9, used to drive the first moving block 9 to slide on the bracket 8.

[0056] When the conveying equipment moves the workpiece to a designated position within channel 2, the first drive element 12 activates, driving the first movable block 9, via its first slider 11, to slide horizontally along the first slide rail 10 on the bracket 8. The first slide rail 10 and first slider 11 form a guide structure, ensuring the stability and precision of the movement of the clamping member 6. As the first movable block 9 moves, the clamping member 6 connected to it moves synchronously toward the workpiece until it contacts the workpiece surface and applies an appropriate clamping force, firmly clamping the workpiece. Once clamping is complete, the lifting unit 3 begins to operate. Once activated, the lifting unit 3 drives the support base 7 to rise steadily along the frame 1, thereby driving the entire tilting unit 4 upward, raising the clamping member 6 and its clamped workpiece to a preset height. Once the workpiece reaches the preset height, the rotating disk 5, driven by the tilting unit 4, rotates to a set angle. The rotating disk 5's rotation is transmitted to the first movable block 9 and the clamping member 6 via the bracket 8, ultimately driving the clamping member 6 and the workpiece to complete the tilting operation. The first drive element 12 can be a motor, hydraulic cylinder, or pneumatic cylinder.

[0057] In one embodiment, the flip unit 4 also includes: a gear 13, which is arranged on the support base 7 and connected to the rotating disk 5; a rack 14, which is movably arranged on the support base 7, and the gear 13 is engaged with the rack 14, and the rack 14 is used to drive the gear 13 to rotate; a second driving member 15, the output end of which is connected to the second moving block 16, the rack 14 is fixed on one side of the second moving block 16, and the second driving member 15 drives the rack 14 to move in the horizontal direction through the second moving block 16.

[0058] When the support base 7 rises to a preset height driven by the lifting unit 3, the second driving member 15 is activated to drive the second movable block 16 to move horizontally. Since the rack 14 is fixed to the second movable block 16, the rack 14 moves synchronously therewith and remains in meshing state with the gear 13. The horizontal movement of the rack 14 drives the gear 13 to rotate, and the rotation of the gear 13 is transmitted to the rotating disk 5, thereby driving the rotating disk 5 and the clamping member 6 and the workpiece thereon to complete the flipping operation at the set angle. The flipping angle can be precisely controlled according to the moving distance of the rack 14 or the stroke of the second driving member 15. Among them, the second driving member 15 can be a motor, an oil cylinder or a pneumatic cylinder.

[0059] In another embodiment, the flip unit 4 further includes: a driven gear 17, which is arranged on the support base 7 and connected to the rotating disk 5; a driving gear 18, which is arranged on the support base 7 and meshes with the driven gear 17, and is used to drive the driven gear 17 to rotate; a third driving member 19, the driving gear 18 is connected to the output end of the third driving member 19, and the third driving member 19 is used to drive the driving gear 18 to rotate.

[0060] When the support base 7 rises to a preset height driven by the lifting unit 3, the third driving member 19 is activated, driving the driving gear 18 to rotate. Since the driving gear 18 is engaged with the driven gear 17, the rotational motion of the driving gear 18 is transmitted to the driven gear 17, driving it to rotate. The driven gear 17 is connected to the rotating disk 5, and its rotational motion is further transmitted to the rotating disk 5, thereby driving the rotating disk 5 and the bracket 8, first moving block 9, clamping member 6 and clamped workpiece mounted thereon to rotate synchronously, completing the flipping operation at the set angle. The flipping angle can be precisely controlled based on the rotation angle of the third driving member 19 and the transmission ratio of the driving gear 18 and the driven gear 17. Among them, the third driving member 19 is preferably a motor.

[0061] The above two embodiments can be selectively configured according to actual production needs to improve the system's adaptability to different working conditions. Among them, the rack 13 drives the gear 14 to rotate by horizontal movement, which is suitable for working conditions that require large-angle flipping; the driving gear 18 transmits power by engaging the driven gear 17, which is suitable for working conditions that require high-precision angle control. Using only one drive method, such as the rack 13 and gear 14 drive or the driving gear 18 and driven gear 17 transmission, is suitable for single working conditions; and integrating the two drive methods on the same frame can achieve functional expansion or redundant design, improving the flexibility and adaptability of the system.

[0062] To improve the accuracy of workpiece flipping, a protrusion 20 is provided on the circumference of the rotating disk 5. A limiter 21 is provided on the support base 7. The limiter 21 movably abuts against the protrusion 20 to provide a limit for the rotation of the rotating disk 5. The cooperation between the limiter 21 and the protrusion 20 can mechanically limit the rotation angle of the rotating disk 5, thereby preventing over-rotation or angular deviation caused by drive error or inertial rotation, and improving the repeatability of the flipping action.

[0063] To further enhance the accuracy of workpiece flipping, a guide block 22 is connected to the protrusion 20, and a fixed block 23 is provided on the support base 7. The fixed block 23 is provided with an arcuate guide groove 24, and one end of the guide block 22 is movably inserted into the arcuate guide groove 24. When the rotating disk 5 rotates relative to the support base 7, the guide block 22 slides along the arcuate guide groove 24. The sliding fit between the guide block 22 and the arcuate guide groove 24 further constrains the rotation path of the rotating disk 5, ensuring the smoothness and angular controllability of the flipping action. This structure limits the rotation range of the rotating disk 5 through the arcuate profile of the arcuate guide groove 24, avoiding over-rotation or angular offset caused by drive errors or inertia.

[0064] Further preferably, the lifting unit 3 includes: a chain 25, one end of which is connected to the support seat 7, for driving the support seat 7 to rise and fall; a sprocket 26, the chain 25 is engaged with the sprocket 26, and the sprocket 26 is used to drive the chain 25 to move; a fourth driving member 27, which is arranged on the frame 1 and located above the support seat 7, and the output end of the fourth driving member 27 is provided with a rotating shaft 28, the sprocket 26 is connected to the rotating shaft 28, and the fourth driving member 27 drives the sprocket 26 to rotate through the rotating shaft 28.

[0065] After the clamping member 6 completes the clamping and fixing of the workpiece under the drive of the first driving member 12, the fourth driving member 27 is started, driving the rotating shaft 28 to rotate, and the rotating shaft 28 drives the sprocket 26 to rotate synchronously. The rotation of the sprocket 26 causes the chain 25 engaged thereon to move. Since one end of the chain 25 is fixedly connected to the support seat 7, the movement of the chain 25 drives the support seat 7 to rise steadily in the vertical direction. As the support seat 7 rises, the flipping unit 4, the clamping member 6 and the clamped workpiece installed thereon rise synchronously and eventually reach a preset height. This height is usually higher than the operating height of the conveying equipment to ensure that the clamping member 6 and the workpiece will not interfere with the conveying equipment or other structures during the subsequent flipping process. This lifting method has the advantages of smooth transmission, high lifting accuracy, and strong load-bearing capacity, and is suitable for automated operation scenarios in which workpieces are continuously lifted and flipped with high precision.

[0066] To ensure operational stability and guiding accuracy of the support base 7 during the lifting process, the frame 1 is provided with a second slide rail 29 along the vertical direction. A second slider 30 is provided on the support base 7, and the support base 7 is slidably mounted on the second slide rail 29 via the second slider 30. When the support base 7 is raised or lowered relative to the frame 1, driven by the chain 25, the second slider 30 slides synchronously along the second slide rail 29, forming a stable guiding structure. This guiding structure effectively improves the smoothness and positioning accuracy of the lifting process, preventing the support base 7 from shifting, tilting, or shaking during the lifting process, thereby enhancing the reliability of the entire machine and the repeatable positioning accuracy of the flipping operation.

[0067] To ensure the stability and reliability of the workpiece clamping mechanism 6, a clamping groove 31 is provided on the clamping member 6, which matches the workpiece's shape. The inner wall profile of the clamping groove 31 is designed to adapt to the outer shape of the workpiece, such as an arc, V-shape, or polygonal structure, to accommodate the clamping requirements of workpieces of different shapes.

[0068] When the clamping member 6, driven by the first moving block 9, moves toward the workpiece and contacts the workpiece surface, the sidewall of the workpiece partially engages the engaging groove 31, forming a structural limit fit. The engaging groove 31 not only increases the contact area between the clamping member 6 and the workpiece, improving clamping stability, but also effectively prevents the workpiece from slipping, deflecting, or falling off during the clamping or flipping process, thereby ensuring safety and accuracy throughout the flipping process.

[0069] This solution also proposes an online flipping method for a workpiece, comprising the following steps:

[0070] S1. The first driving member 12 drives the clamping member 6 to clamp the workpiece moved into the channel 2 through the first moving block 9;

[0071] S2, the fourth driving member 27 drives the support base 7 to rise through the sprocket 26 and the chain 25, thereby driving the workpiece clamped by the clamping member 6 to rise to a preset height synchronously;

[0072] S3. When the workpiece rises to a preset height, the rotating disk 5 rotates, thereby driving the clamping member 6 and the clamped workpiece to rotate to a preset angle, completing the flip;

[0073] S4: After the flip is completed, the fourth driving member 27 drives the support base 7 to descend to the initial height through the sprocket 26 and the chain 25;

[0074] S5. The first driving member 12 drives the clamping member 6 to loosen and move away from the workpiece after the flipping is completed through the first moving block 9.

[0075] It should be noted that, in the present invention, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly defined. The terms "connected", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0076] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0077] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope of the appended claims.

Claims

1. An online turning mechanism for turning a workpiece, characterized in that: include: a frame, the bottom of which is provided with a channel located on the workpiece transport path; A lifting unit, which is provided on the frame and is used to drive the workpiece to rise to a preset height; A flipping unit is arranged on the frame and located below the lifting unit. The flipping unit has a rotating disk and a clamping member arranged on the rotating disk. The clamping member is used to clamp the workpiece in the channel. The rotating disk drives the workpiece at a preset height to flip through the clamping member.

2. An online turning mechanism as claimed in claim 1, characterized in that: The flip unit further includes: A support base is provided on the frame and connected to the lifting unit, and the rotating disk is rotatably provided on the support base; a bracket, which is fixed on the rotating disk; a first moving block, wherein the bracket is provided with a first slide rail, the first moving block is provided with a first slider, the first moving block is slidably arranged on the first slide rail via the first slider, and the clamping member is connected to the first moving block, and the first moving block is used to drive the clamping member to move; A first driving member is provided on the support seat, and an output end of the first driving member is connected to the first moving block, so as to drive the first moving block to slide on the bracket.

3. An online turning mechanism as claimed in claim 2, characterized in that: The flip unit further includes: a gear, which is disposed on the support seat and connected to the rotating disk; a rack movably disposed on the support base, the gear meshing with the rack, and the rack being used to drive the gear to rotate; The second driving member has an output end connected to a second moving block. The rack is fixed on one side of the second moving block. The second driving member drives the rack to move in a horizontal direction through the second moving block.

4. An online turning mechanism as claimed in claim 2, characterized in that: The flip unit further includes: A driven gear, which is arranged on the support seat and connected to the rotating disk; A driving gear, which is arranged on the support seat and meshes with the driven gear, and is used to drive the driven gear to rotate; The third driving member, the driving gear is connected to the output end of the third driving member, and the third driving member is used to drive the driving gear to rotate.

5. An online turning mechanism as claimed in claim 2, characterized in that: A protrusion is provided in the circumferential direction of the rotating disk, and a limiting member is provided on the supporting seat. The limiting member movably abuts against the protrusion to provide a limit for the rotation of the rotating disk.

6. An online turning mechanism as claimed in claim 5, characterized in that: The convex block is connected with a guide block, the support seat is provided with a fixed block, the fixed block is provided with an arc-shaped guide groove, and one end of the guide block is movably inserted in the arc-shaped guide groove.

7. An online turning mechanism as claimed in claim 2, characterized in that: The lifting unit comprises: A chain, one end of which is connected to the support base, for driving the support base to rise and fall; a sprocket, on which the chain is engaged, and the sprocket is used to drive the chain to move; The fourth driving member is arranged on the frame and located above the support seat. The output end of the fourth driving member is provided with a rotating shaft. The sprocket is connected to the rotating shaft. The fourth driving member drives the sprocket to rotate through the rotating shaft.

8. An online turning mechanism as claimed in claim 2, characterized in that: The frame is provided with a second slide rail along the vertical direction, the support seat is provided with a second slider, and the support seat is slidably arranged on the second slide rail through the second slider.

9. An online turning mechanism as claimed in claim 1, characterized in that: The clamping member is provided with a clamping groove, which matches the outer wall profile of the workpiece, and the side wall of the workpiece is clamped in the clamping groove.

10. A method for online turning of a workpiece, characterized in that: Including steps: S1. The first driving member drives the clamping member to clamp the workpiece moving into the channel through the first moving block; S2, the fourth driving member drives the support base to rise through the sprocket and chain, thereby driving the workpiece clamped by the clamping member to rise synchronously to a preset height; S3. When the workpiece rises to a preset height, the rotating disk rotates, thereby driving the clamping member and the clamped workpiece to rotate to a preset angle, completing the flip; S4: After the flip is completed, the fourth driving member drives the support base to descend to the initial height through the sprocket and chain; S5. The first driving member drives the clamping member to loosen and move away from the workpiece after the flipping is completed through the first moving block.

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