A motion mechanism of a flip machine

Abstract

The present invention relates to the technical field of flipping machines, and in particular to a flipping machine movement mechanism, comprising a base, both sides of the top of the base are fixedly connected with fixed frames, an upper flipping frame for flipping plates is arranged between the tops of the fixed frames, lower flipping frames are vertically arranged on the inner sides of the fixed frames, an upper flipping plate movement mechanism and a lower flipping plate movement mechanism are respectively arranged in the fixed frames, the upper flipping plate movement mechanism comprises an upper hydraulic telescopic cylinder, a pair of upper hydraulic telescopic cylinders are arranged, sliding rods are slidably connected to the inner sides of the fixed frames, the inner sides of the fixed frames are fixedly connected with a base, and the upper hydraulic telescopic cylinders are fixedly connected to the top of the base. Through the mutual cooperation of the above-mentioned structures, the present invention can quickly flip the plates in a narrow space without hindering the position of the top of the plates after flipping, so that the plates can be quickly lifted away by using lifting equipment, and will not be affected by the site space, thereby improving the application scope of the device.

Description

Technical Field

[0001] The invention relates to the technical field of panel turning machines, and in particular to a movement mechanism of a panel turning machine. Background Art

[0002] A panel flipping machine is a device that rotates a workpiece 180 degrees to flip it over. In some plate production lines, when the plate needs to be turned over to the other side for processing or inspection, a panel flipping machine is needed. Existing panel flipping machines can be divided into three categories: pneumatic panel flipping machines, hydraulic panel flipping machines and mechanical panel flipping machines.

[0003] Prior art 1, a gypsum board flipping machine with publication number CN116214694B, drives the flipping frame to flip steadily and slowly through a board flipping mechanism installed on the frame. When the flipping frame supports the gypsum board to flip to ninety degrees, the board stabilizing mechanism installed on the flipping frame drives the stabilizing frame rotatably connected to the flipping frame to adhere and support the gypsum board sandwiched between the two flipping frames, thereby preventing the gypsum board from being broken due to impact when flipping between the two flipping frames.

[0004] Prior art two, a decorative panel flipping machine with publication number CN117602339B, improves the above-mentioned problems by setting up multiple clamping plates to clamp multiple decorative panels and separate the decorative panels from each other. In conjunction with the No. 1 telescopic connecting rod assembly, one cylinder can drive all the clamping plates to move up and down synchronously, so that the distance between two adjacent clamping plates is the same during the movement. When two adjacent clamping plates clamp the decorative panels, the force applied to each decorative panel is the same, avoiding problems such as some decorative panels being cracked due to excessive force or some decorative panels being damaged by friction with the clamping plates due to insufficient force due to uneven force.

[0005] Firstly, in the prior art one, the plate is turned over by using the flipping frames on both sides to flip toward the middle, but this flipping machine occupies a large area, and the opened flipping frame is often larger than the area occupied by the plate itself, making it difficult to use in a small space. Secondly, in the prior art two, although the flipping machine can flip the plate 180 degrees in a small space, in actual use, in order to support the turned-over plate, the flipping machine has placement frames on both sides of the plate. Therefore, when the plate is turned over, the hoisting equipment cannot be used to quickly hoist the plate out, and the plate can only be transported out by a conveyor, so the scope of use is limited.

[0006] Therefore, a plate flipper motion mechanism is proposed to solve the technical problem of flipping plates in a small space without hindering the normal lifting of the plates. Summary of the invention

[0007] The purpose of the present invention is to solve the shortcomings of the background technology and to propose a flap machine movement mechanism.

[0008] To achieve the above purpose, the technical solution adopted by the present invention is: a plate turning machine movement mechanism, including a base, both sides of the top of the base are fixedly connected with fixed frames, an upper turning frame for turning the plate is arranged between the tops of the fixed frames, and lower turning frames are vertically arranged inside the fixed frames, and an upper turning plate movement mechanism and a lower turning plate movement mechanism are respectively arranged in the fixed frames;

[0009] The upper flap movement mechanism includes an upper hydraulic telescopic cylinder, and the upper hydraulic telescopic cylinder is provided with a pair. The inner side of the fixed frame is slidably connected with a sliding rod, the inner side of the fixed frame is fixedly connected with a base, and the upper hydraulic telescopic cylinder is fixedly connected to the top of the base, and the output end of the upper hydraulic telescopic cylinder is fixedly connected to the side wall of the sliding rod, and the bottom of the upper flip frame and the fixed frame are fixedly connected with a fixed frame above the fixed frame, and the inner side of the fixed frame is provided with a pair of L-shaped rods, and one end of the L-shaped rod is hinged to the inner side of the fixed frame, and the other end of the L-shaped rod is hinged to the middle position of the bottom of the fixed frame, and the bottom of the fixed frame is fixedly connected to a pair of hinge seats away from the upper hydraulic telescopic cylinder, and the sliding rod penetrates and is rotatably connected to the side wall of the hinge seat;

[0010] The lower flip plate movement mechanism includes a servo motor, a fixed groove is penetrated on the side away from the fixed frame, a vertical plate is slidably connected to the fixed groove, a mounting seat is fixedly connected to the side wall of the vertical plate, the servo motor is fixedly connected to the top of the mounting seat, a straight groove and a quarter-circular arc groove are respectively penetrated by the side walls of the vertical plate, and the straight groove and the arc groove are communicated, a top roller and a bottom roller are respectively arranged on the inner side of the straight groove, an upper connecting plate is fixedly connected between the top roller and the side wall of the bottom roller, the lower flip frame is fixedly connected to the side wall of the upper connecting plate and at a position corresponding to the top roller, the side wall of the vertical plate is rotatably connected with a rotating plate above the straight groove, the output end of the servo motor is fixedly connected to the side wall of the rotating plate, a pulling plate is hingedly connected between the bottom of the rotating plate and the side wall of the bottom roller, a lower electric telescopic cylinder is fixedly connected to the side wall of the mounting seat, a right-angle block for squeezing the bottom roller is arranged below the lower flip frame, and a lower connecting plate is fixedly connected between the side wall of the right-angle block and the side wall of the lower electric telescopic cylinder.

[0011] In the above technical solution, further, the distance between the top roller and the bottom roller is the same as the distance between the top of the straight groove and the bottom of the arc groove.

[0012] In the above technical solution, further, a telescopic groove is opened through the top of the lower flip frame, a telescopic frame is slidably connected to the inner side of the telescopic groove, a telescopic rod is fixedly connected to the bottom of the telescopic frame, and an extrusion ring for extruding the roller is fixedly connected to the side wall of the right-angle block.

[0013] In the above technical solution, further, a roller is rotatably connected to the bottom of the telescopic rod, and a spring is fixedly connected between the bottom of the lower flip frame and the outer wall of the telescopic rod.

[0014] In the above technical solution, further, the extrusion ring is in a quarter circle shape, and the center position of the extrusion ring is the same as the center position of the lower turning frame when it is turned over.

[0015] In the above technical solution, further, an inward groove is opened on the top of the arc-shaped groove, a touch sensor is fixedly connected to the inner side of the groove, a warning light is fixedly connected to the top of the fixed frame, and the touch sensor is electrically connected to the servo motor and the warning light through a controller.

[0016] In the above technical solution, further, an L-shaped limiting plate is fixedly connected to the bottom end of the fixed frame and located outside the fixing groove, the side wall of the vertical plate is fixedly connected to a slide plate and is slidably connected to the side wall of the limiting plate, a screw rod is threadedly connected through the rear side of the limiting plate, and the side wall of the screw rod is rotatably connected to the side wall of the slide plate.

[0017] In the above technical solution, further, a hand wheel is fixedly connected to the side wall of the screw, and a scale groove is provided at the bottom of the fixing groove.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. Through the cooperation of the upper flap motion mechanism and the lower flap motion mechanism, the plate can be quickly flipped in a small space without hindering the position of the top of the plate after flipping, so that the plate can be quickly lifted away by lifting equipment without being affected by the site space, thereby improving the scope of application of the device.

[0020] 2. Through the cooperation of structures such as screws, slides and limit plates, the distance between the upper flip rack and the lower flip rack after flipping can be adjusted, and then the thickness of the flipped plate can be adjusted accordingly to reduce the gap when the plate is tipped during flipping, which is conducive to better protecting the plate and avoiding excessive gaps between them. When the plate falls on another rack, it will cause damage to the plate and affect product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall appearance structure of the panel turning machine of the present invention;

[0022] Figure 2 It is a schematic diagram of the overall appearance structure of the vertical plate of the present invention;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the upper flap movement mechanism of the present invention after flipping;

[0024] Figure 4 It is a schematic diagram of a partially cutaway three-dimensional structure of the bottom frame of the present invention when viewed from above;

[0025] Figure 5 It is a schematic diagram of a three-dimensional structure of a fixed frame of the present invention in full cross-section from the side;

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the lower flap movement mechanism of the present invention;

[0027] Figure 7 It is a schematic diagram of a three-dimensional structure of a vertical plate of the present invention in full cross-section on the side;

[0028] Figure 8 The appended Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0029] Fig. 9 It is a schematic diagram of the three-dimensional structure of the lower flap movement mechanism of the present invention when in operation.

[0030] In the figure: 1. base; 2. fixed frame; 3. upper flip frame; 4. sliding rod; 5. lower flip frame; 6. base; 7. fixed frame; 8. L-shaped rod; 9. hinge seat; 10. servo motor; 11. fixed groove; 12. vertical plate; 13. mounting seat; 14. straight groove; 15. arc groove; 16. top roller; 17. bottom roller; 18. upper connecting plate; 19. rotating plate; 20. pulling plate; 21. right-angle block; 22. lower electric telescopic cylinder; 23. lower connecting plate; 24. telescopic groove; 25. telescopic frame; 26. telescopic rod; 27. roller; 28. extrusion ring; 29. ​​spring; 30. groove; 31. touch sensor; 32. warning light; 33. limit plate; 34. screw; 35. hand wheel; 36. scale groove; 37. upper hydraulic telescopic cylinder; 38. slide plate. DETAILED DESCRIPTION

[0031] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0032] like Figure 1-Figure 9The illustrated motion mechanism of a plate turning machine comprises a base 1, both sides of the top of the base 1 are fixedly connected with a fixed frame 2, an upper turning frame 3 for turning over a plate is arranged between the tops of the fixed frames 2, and a lower turning frame 5 is vertically arranged inside the fixed frames 2, the upper turning frame 3 and the lower turning frame 5 are both composed of a support frame and supporting legs, the support frame can support the side wall of the plate, and the supporting legs support the bottom of the plate, and the supporting legs on the upper turning frame 3 and the lower turning frame 5 are staggered so as not to hinder the normal turning of each other, and at the same time, the plate on the other frame can be turned over after being folded in half, and an upper turning plate motion mechanism and a lower turning plate motion mechanism are respectively arranged in the fixed frame 2;

[0033] The upper flap movement mechanism includes an upper hydraulic telescopic cylinder 37, a pair of which are provided, and the inner side of the fixed frame 2 is slidably connected to the sliding rod 4. Since the sliding rod 4 is slidably connected in the fixed frame 2, the bottom of the fixed frame 7 can be supported to avoid all forces being applied to the upper hydraulic telescopic cylinder 37. The inner side of the fixed frame 2 is fixedly connected to the base 6, and the upper hydraulic telescopic cylinder 37 is fixedly connected to the top of the base 6. The output end of the upper hydraulic telescopic cylinder 37 is fixedly connected to the side wall of the sliding rod 4. The bottom of the upper flip frame 3 and the upper part of the fixed frame 2 are fixedly connected to the fixed frame ... A pair of L-shaped rods 8 are provided. Through the setting of the L-shaped rods 8, the hinge positions at both ends of the L-shaped rods 8 are not at the same level, so that when the upper hydraulic telescopic cylinder 37 pulls the hinge seat 9, a thrust can be applied to the L-shaped rod 8 around the hinge with the fixed frame 2, thereby avoiding the phenomenon of dead points in the operation of the upper flap movement mechanism, and one end of the L-shaped rod 8 is hinged to the inner side of the fixed frame 2, and the other end of the L-shaped rod 8 is hinged to the middle position of the bottom of the fixed frame 7, and the bottom of the fixed frame 7 is fixedly connected to a pair of hinge seats 9 on the side away from the upper hydraulic telescopic cylinder 37, and the sliding rod 4 penetrates and is rotatably connected to the side wall of the hinge seat 9;

[0034] When turning over the plate, first hoist the plate on the upper turning frame 3, then control the upper hydraulic telescopic cylinder 37 to start pulling the sliding rod 4 to move inside the fixed frame 2, and then push the L-shaped rod 8 backward, so that the fixed frame 7 rotates around the hinge with the L-shaped rod 8, and at the same time drives the hinge seat 9 to rotate on the side wall of the sliding rod 4 until the upper hydraulic telescopic cylinder 37 is fully retracted and the upper turning frame 3 is in a vertical state, and the operation of the upper flip plate movement mechanism is completed.

[0035] The lower flip plate movement mechanism includes a servo motor 10, a fixed groove 11 is penetrated on the side away from the fixed frame 2, and a vertical plate 12 is slidably connected to the fixed groove 11. The side wall of the vertical plate 12 is fixedly connected to a mounting seat 13, and the servo motor 10 is fixedly connected to the top of the mounting seat 13. The side walls of the vertical plate 12 are penetrated with a straight groove 14 and a quarter-circular arc groove 15, and the straight groove 14 is connected to the arc groove 15. The inner side of the straight groove 14 is provided with a top roller 16 and a bottom roller 17, and an upper connecting plate 18 is fixedly connected between the side walls of the top roller 16 and the bottom roller 17. The lower flip frame 5 is fixedly connected to the side wall of the upper connecting plate 18 and the corresponding position with the top roller 16. The side wall of the vertical plate 12 is rotatably connected with a rotating plate 19 located above the straight groove 14. The output end of the servo motor 10 is fixedly connected to the side wall of the rotating plate 19, and a pull plate 20 is hingedly connected between the bottom of the rotating plate 19 and the side wall of the bottom roller 17;

[0036] When the upper flap movement mechanism is finished running, the servo motor 10 of the lower flap movement mechanism can be controlled to start, which drives the rotating plate 19 to rotate, and at the same time pulls the bottom roller 17 and the top roller 16 to slide in the straight groove 14 through the pulling plate 20. Then, when the rotating plate 19 rotates a quarter of a turn to pull the top roller 16 to the top of the straight groove 14, the top roller 16 will be squeezed and restricted by the straight groove 14, as shown in the attached figure. Fig. 9 As shown, at this time, the lower turning frame 5 will move to the bottom of the upper turning frame 3, contact with the bottom of the plate on the upper turning frame 3, and then continue to rotate upward through the rotating plate 19, and pull the bottom roller 17 into the arc groove 15 through the pulling plate 20, thereby driving the upper connecting plate 18 to rotate around the top roller 16, and driving the lower turning frame 5 to turn downward, and then, under the action of the supporting legs on the lower turning frame 5, the plate on the upper turning frame 3 will be turned over and followed by the lower turning frame 5 to turn downward, so as to realize the rapid turning over of the plate, and there will be no restriction on the position of the top of the plate after the turning over, and finally, the turned over plate can be lifted away by using the lifting equipment, so that the plate can be quickly turned over in a small space.

[0037] In order to facilitate the bottom roller 17 to slide into the arc groove 15 more smoothly, the side wall of the mounting seat 13 is fixedly connected with a lower electric telescopic cylinder 22, and a right-angle block 21 for squeezing the bottom roller 17 is provided below the lower flip frame 5. A lower connecting plate 23 is fixedly connected between the side wall of the right-angle block 21 and the side wall of the lower electric telescopic cylinder 22, and the distance between the top roller 16 and the bottom roller 17 is the same as the distance between the top of the straight groove 14 and the bottom of the arc groove 15;

[0038] When the servo motor 10 pulls the top roller 16 to slide into the top of the straight groove 14, the right-angle block 21 is driven by the lower electric telescopic cylinder 22 to be located below the bottom roller 17. Then, the servo motor 10 drives the rotating plate 19 to continue to rotate to pull the pulling plate 20 and the bottom roller 17 into the arc groove 15. At the same time, the lower electric telescopic cylinder 22 drives the right-angle block 21 to continue to slide upward, which can apply a thrust to the bottom roller 17 to cooperate with the operation of the servo motor 10, so that the bottom roller 17 can slide into the arc groove 15 more smoothly, avoiding jamming and affecting the flipping speed of the device.

[0039] In order to prevent the lower turning frame 5 from being short and affecting the supporting effect of the plate, a telescopic groove 24 is provided through the top of the lower turning frame 5, and a telescopic frame 25 is slidably connected to the inner side of the telescopic groove 24. A telescopic rod 26 is fixedly connected to the bottom of the telescopic frame 25, and a squeezing ring 28 for squeezing the roller 27 is fixedly connected to the side wall of the right-angle block 21. The roller 27 is rotatably connected to the bottom of the telescopic rod 26. A spring 29 is fixedly connected between the bottom of the lower turning frame 5 and the outer wall of the telescopic rod 26, so that the telescopic frame 25 can be pulled to quickly reset through the spring 29. The squeezing ring 28 is in a quarter circle shape, and the center position of the squeezing ring 28 is the same as the center position of the lower turning frame 5 when it is turned over. Therefore, after the lower electric telescopic cylinder 22 drives the right-angle block 21 to push the bottom roller 17 into the arc groove 15, the lower electric telescopic cylinder 22 can be completely retracted and stopped running. At the same time, the center of the squeezing ring 28 is aligned with the center of the subsequent lower turning frame 5, so that the squeezing position of the telescopic frame 25 can still be guaranteed in the process of the lower turning frame 5 turning over and driving the roller 27 to move;

[0040] When the upper flap movement mechanism is completed, the lower electric telescopic cylinder 22 can be controlled to pull the lower connecting plate 23 to slide upward, thereby driving the right-angle block 21 and the extrusion ring 28 to slide upward, thereby squeezing the roller 27 through the extrusion ring 28, pushing the telescopic rod 26 and the telescopic frame 25 to slide upward in the telescopic groove 24, and gradually compressing the spring 29. After the upper flap movement mechanism is completed, the telescopic frame 25 can be pushed out to ensure that the lower flip frame 5 can have sufficient supporting effect on the plate and will not hinder the normal operation of the upper flap movement mechanism. Subsequently, the lower electric telescopic cylinder 22 pulls the right-angle block 21 to move below the bottom roller 17, and the lower flap movement mechanism can be controlled to operate.

[0041] In order to further improve the automation of the device, an inward groove 30 is provided at the top of the arc groove 15, a touch sensor 31 is fixedly connected to the inner side of the groove 30, and a warning light 32 is fixedly connected to the top of the fixing frame 2. The touch sensor 31 is electrically connected to the servo motor 10 and the warning light 32 through a controller;

[0042] Through the setting of the touch sensor 31, when the servo motor 10 drives the bottom roller 17 to rotate into the top of the arc groove 15, the lower flip frame 5 is in a state of turning over the plate, and then the bottom roller 17 will touch the touch sensor 31, and then the touch sensor 31 will transmit the signal to the controller. The controller controls the servo motor 10 to stop running, and turns on the warning light 32 to emit green light to remind the worker that the operation is completed and the plate can be taken away, so as to avoid the worker taking the plate away in advance before the movement mechanism is completed, which is dangerous.

[0043] In order to adjust the spacing between the upper flip frame 3 and the lower flip frame 5 according to the thickness of the flip plate, an L-shaped limit plate 33 is fixedly connected to the bottom end of the fixed frame 2 and located outside the fixed groove 11, and a slide plate 38 is fixedly connected to the side wall of the vertical plate 12 and slidably connected to the side wall of the limit plate 33. A screw rod 34 is threadedly connected to the rear side of the limit plate 33, and the side wall of the screw rod 34 is rotatably connected to the side wall of the slide plate 38, and a hand wheel 35 is fixedly connected to the side wall of the screw rod 34. Through the setting of the hand wheel 35, it is convenient to quickly rotate the screw rod 34 to adjust the gap between the upper flip frame 3 and the lower flip frame 5, thereby improving the convenience of the device. A scale groove 36 is opened at the bottom of the fixed groove 11. Through the setting of the scale groove 36, the sliding position of the vertical plate 12 on the scale groove 36 can be observed during the adjustment process, and then the position of the vertical plate 12 can be accurately adjusted.

[0044] When the distance between the upper flip frame 3 and the lower flip frame 5 needs to be adjusted according to the thickness of the flip plate, the hand wheel 35 is turned to drive the screw 34 to rotate, thereby driving the screw 34 to move spirally outward or inward, and then pulling the slide plate 38 to drive the vertical plate 12 to move, thereby driving the lower flip frame 5 to slide, thereby realizing the adjustment of the distance between the upper flip frame 3 and the lower flip frame 5.

[0045] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A flapper movement mechanism, comprising a base (1), wherein both sides of the top of the base (1) are fixedly connected to a fixing frame (2), characterized in that: An upper flip frame (3) for flipping a plate is provided between the tops of the fixed frames (2), a lower flip frame (5) is vertically provided inside the fixed frames (2), and an upper flip plate movement mechanism and a lower flip plate movement mechanism are respectively provided inside the fixed frames (2); The upper flip plate movement mechanism comprises an upper hydraulic telescopic cylinder (37), a pair of the upper hydraulic telescopic cylinders (37) are provided, the inner side of the fixed frame (2) is slidably connected to a sliding rod (4), the inner side of the fixed frame (2) is fixedly connected to a base (6), and the upper hydraulic telescopic cylinders (37) are fixedly connected to the top of the base (6), the output end of the upper hydraulic telescopic cylinder (37) is fixedly connected to the side wall of the sliding rod (4), the bottom of the upper flip frame (3) and located above the fixed frame (2) are fixedly connected to a fixed frame (7), the inner side of the fixed frame (2) is provided with a pair of L-shaped rods (8), one end of the L-shaped rod (8) is hingedly connected to the inner side of the fixed frame (2), and the other end of the L-shaped rod (8) is hingedly connected to the middle position of the bottom of the fixed frame (7), the bottom of the fixed frame (7) away from the upper hydraulic telescopic cylinder (37) is fixedly connected to a pair of hinge seats (9), and the sliding rod (4) passes through the side wall of the hinge seat (9) for rotation; The lower flap movement mechanism comprises a servo motor (10); a fixed groove (11) is formed through the fixed frame (2) on the side away from the fixed frame (2); a vertical plate (12) is slidably connected to the fixed groove (11); a mounting seat (13) is fixedly connected to the side wall of the vertical plate (12); the servo motor (10) is fixedly connected to the top of the mounting seat (13); a straight groove (14) and a quarter-circular arc groove (15) are formed through the side wall of the vertical plate (12); the straight groove (14) and the arc groove (15) are connected; a top roller (16) and a bottom roller (17) are formed inside the straight groove (14); an upper connecting plate (16) and a bottom roller (17) are fixedly connected between the side walls of the top roller (16) and the bottom roller (17). 18), the lower flip frame (5) is fixedly connected to the side wall of the upper connecting plate (18) and at a position corresponding to the top roller (16), the side wall of the vertical plate (12) is rotatably connected to a rotating plate (19) located above the straight groove (14), the output end of the servo motor (10) is fixedly connected to the side wall of the rotating plate (19), a pull plate (20) is hingedly connected between the bottom of the rotating plate (19) and the side wall of the bottom roller (17), the side wall of the mounting seat (13) is fixedly connected to a lower electric telescopic cylinder (22), and a right-angle block (21) for squeezing the bottom roller (17) is provided below the lower flip frame (5), and a lower connecting plate (23) is fixedly connected between the side wall of the right-angle block (21) and the side wall of the lower electric telescopic cylinder (22); The spacing between the top roller (16) and the bottom roller (17) is the same as the distance between the top of the straight groove (14) and the bottom of the arc groove (15); a telescopic groove (24) is formed through the top of the lower turning frame (5); a telescopic frame (25) is slidably connected to the inner side of the telescopic groove (24); a telescopic rod (26) is fixedly connected to the bottom of the telescopic frame (25); an extrusion ring (28) for extruding a roller (27) is fixedly connected to the side wall of the right-angle block (21); a roller (27) is rotatably connected to the bottom of the telescopic rod (26); and a spring (29) is fixedly connected between the bottom of the lower turning frame (5) and the outer wall of the telescopic rod (26).

2. A flapper motion mechanism according to claim 1, characterized in that: The extrusion ring (28) is in the shape of a quarter circle, and the center position of the extrusion ring (28) is the same as the center position of the lower turning frame (5) when it turns over.

3. The plate turning machine motion mechanism according to claim 1, characterized in that: The top of the arc-shaped groove (15) is provided with an inwardly sunken groove (30), the inner side of the groove (30) is fixedly connected with a touch sensor (31), the top of each of the fixed frames (2) is fixedly connected with a warning light (32), and the touch sensors (31) are electrically connected to the servo motor (10) and the warning light (32) via a controller.

4. The plate turning machine motion mechanism according to claim 1, characterized in that: An L-shaped limiting plate (33) is fixedly connected to the inner bottom end of the fixing frame (2) and located outside the fixing groove (11); a slide plate (38) is fixedly connected to the side wall of the vertical plate (12) and is slidably connected to the side wall of the limiting plate (33); a screw rod (34) is threadedly connected through the rear side of the limiting plate (33); and the side wall of the screw rod (34) is rotatably connected to the side wall of the slide plate (38).

5. The plate turning machine motion mechanism according to claim 4, characterized in that: A hand wheel (35) is fixedly connected to the side wall of the screw rod (34), and a scale groove (36) is provided at the bottom of the fixing groove (11).

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