A large part turnover mechanism

Abstract

This invention discloses a flipping mechanism for large components, including a base, a turntable movably mounted on the base, a flipping frame movably mounted on the turntable, a traction belt passing through the turntable between two side plates of the flipping frame, and a drive wheel movably mounted inside the turntable to drive the traction belt. In operation, the turntable rotates relative to the base, which in turn drives the drive wheel to rotate. The drive wheel rotates and moves the traction belt. One side of the traction belt on each side of the flipping frame is relaxed while the other is taut, causing the flipping frame to rotate relative to the turntable, thus flipping the large component in a vertical plane. The traction belts on both sides slowly flip the flipping frame. As the center of gravity of the large component moves to its highest point and tilts to the other side, the relaxed traction belt is pressed and taut by the flipping frame and gradually released. The flipping frame continues to flip with the large component, slowly releasing, reducing the vibration of the large component and the impact on the overall device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of turnover machines, in particular to a turnover mechanism for large parts. BACKGROUND

[0002] Turnover machines are one of the essential equipment in the processing of large parts, which are mainly used to help large parts to turn over and adjust the angle, so as to better carry out subsequent processes.

[0003] According to the disclosure (announcement) No. CN106956915A, the disclosure (announcement) date is 2017.07.18, a kind of turnover machine is disclosed, including walking mechanism and setting on the walking mechanism turnover mechanism, the walking mechanism can make the turnover mechanism relative to ground motion, the turnover mechanism is used to make box body overturn 90 °.The device includes walking mechanism, and the walking mechanism makes the turnover mechanism move relative to ground, i.e. make the turnover machine have walking function, so as to cooperate with flow line operation, improve assembly efficiency;At the same time, the turnover machine can make the box body overturn 90 °, so when needing to work on the top or bottom of the box body, the working surface of the box body can be converted into the direction convenient for human operation by overturning the box body 90 °, make the turnover machine operation more in line with the requirements of ergonomics, reduce labor intensity, improve the operation comfort of operator.

[0004] In the prior art including the above-mentioned patent, the main frame of the large machine tool is mostly composed of several independent large parts, and the bed body is one of them. During production and processing, the bed body is generally placed with the side facing up, which facilitates the processing of the bed body by the workers. After the production work is completed, the bed body needs to be turned over for turnover work, which not only needs to be turned over in the vertical plane, but also needs to be turned over in the horizontal plane. When performing the turnover work, two cranes are generally used for turnover work, one crane is responsible for turning over in the vertical plane, and the other crane is responsible for turning over in the horizontal plane. However, in actual use, the bed body shakes greatly during the turnover process, especially when the center of gravity of the bed body moves to the highest point and tilts to the other side, the bed body moves greatly and generates a great impact force on the turnover crane, which easily damages the turnover crane. SUMMARY

[0005] The present application aims to provide a turnover mechanism for large parts, which aims to solve the problem of large local impact force during the turnover of large parts, which easily damages the turnover crane.

[0006] In order to achieve the above object, the present application provides a turnover mechanism for large parts, comprising a base, a rotating disc movably arranged on the base, a turnover frame movably arranged on the rotating disc, a traction belt movably arranged between two side plates of the turnover frame and passing through the rotating disc, a driving wheel movably arranged in the rotating disc for driving the traction belt to move, and the rotating disc rotates relative to the base to drive the driving wheel to move the traction belt, and the turnover frame is turned over to separate the traction belt from the turnover frame.

[0007] Preferably, a driving shaft for driving the rotating disc to rotate is movably arranged on the base, and the rotating disc moves relative to the driving shaft to adjust the transmission ratio therebetween.

[0008] Preferably, the turnover frame specifically comprises a first turnover plate and a second turnover plate hinged together, and a connecting rod is movably arranged between the first turnover plate and the second turnover plate for changing the included angle therebetween.

[0009] Preferably, a tensioning wheel for tensioning the traction belt is movably arranged on the rotating disc, and the second turnover plate rotates relative to the first turnover plate to move the tensioning wheel.

[0010] Preferably, a plurality of push blocks for pushing the tensioning wheel are movably arranged on the first turnover plate, and a driving disc for driving the push blocks to move is arranged on the second turnover plate.

[0011] Preferably, a fixing pin for fixing the traction belt is movably arranged on the second turnover plate, and the second turnover plate is fitted with the rotating disc to separate the fixing pin from the traction belt.

[0012] Preferably, a first locking rod for locking the second turnover plate is movably arranged on the rotating disc, and the first locking rod is inserted into the second turnover plate to separate the fixing pin from the traction belt.

[0013] Preferably, a second bevel gear is further arranged in sliding connection with the base and in rotating connection with the rotating disc, and a first bevel gear is arranged on the driving wheel and engaged with the second bevel gear.

[0014] Preferably, an indicator and a second locking rod for fixing the rotating disc are movably arranged on the base, and the second locking rod is inserted into the rotating disc to make the indicator stand up.

[0015] Preferably, the middle part of the indicator is rotatably installed on the base, and a pull rope is arranged between the indicator and the second locking rod.

[0016] In the above technical solution, the present invention provides a large component flipping mechanism with the following beneficial effects: When flipping large components, a crane or forklift is used to move the component onto the flipping frame. At this time, the turntable is driven to rotate relative to the base, the base drives the drive wheel to rotate, the drive wheel rotates and drives the traction belt to move. The traction belts on both sides of the flipping frame are relaxed on one side and taut on the other side, and drive the flipping frame to rotate relative to the turntable, causing the large component to flip on the vertical plane. The traction belts on both sides pull the flipping frame to flip slowly. When the center of gravity of the large component moves to the highest point and tilts to the other side, the traction belt on the relaxed side is pressed and taut by the flipping frame and gradually released. The flipping frame continues to flip with the large component and slowly releases, reducing the shaking of the large component and the impact on the overall device. When the flipping frame finishes flipping on the vertical plane, the traction belt separates from the flipping frame, the turntable continues to rotate relative to the base, the drive wheel drives the traction belt to move relative to the flipping frame, so that the used part of the traction belt is replaced, so that the traction belt wears more evenly and extends the service life of the traction belt. After the component rotation work on the horizontal plane is also completed, the component can be transferred using a crane or forklift. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure provided in an embodiment of the present invention;

[0019] Figure 2 This is a schematic diagram of the internal structure of the base provided in an embodiment of the present invention;

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a schematic diagram of the internal structure of the guide block provided in an embodiment of the present invention;

[0022] Figure 5 for Figure 4 Enlarged view at point B in the middle;

[0023] Figure 6 for Figure 4 Enlarged view at point C;

[0024] Figure 7 This is a schematic diagram of the internal structure of the turntable provided in an embodiment of the present invention;

[0025] Figure 8 for Figure 7 Enlarged view of point D in the middle.

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 1, base; 11, turntable; 111, traction belt; 112, drive wheel; 113, movable rod; 114, tension wheel; 115, first bevel gear; 116, second bevel gear; 117, limiting table; 118, movable ring; 12, turnover frame; 121, first flap; 1211, guide roller; 122, second flap; 1221, guide block; 1222, fixed pin; 1223, first wedge block; 1224, second wedge block; 1225, first locking rod; 1226, stop block; 123, connecting block; 124, drive disc; 125, tenon block; 126, push block; 127, connecting rod; 131, drive shaft; 132, first gear; 133, second gear; 134, first gear ring; 135, second gear ring; 136, second locking rod; 137, signboard; 138, pull rope. DETAILED DESCRIPTION

[0028] In order to make the technical personnel in the art better understand the technical solutions of the present application, the present application will be further described in detail below in conjunction with the drawings.

[0029] As Figures 1-8 shown, a turnover mechanism for large parts, comprising a base 1, the base 1 movably provided with a turntable 11, the turntable 11 movably provided with a turnover frame 12, the turnover frame 12 between the two side plates is provided with a traction belt 111 through the turntable 11, the turntable 11 movably provided with a drive wheel 112 for driving the traction belt 111 to move, the turntable 11 relative to the base 1 rotates to make the drive wheel 112 drive the traction belt 111 to move, the turnover frame 12 is turned over to make the traction belt 111 separate from the turnover frame 12.

[0030] Specifically, the traction belt 111 is specifically woven from synthetic fiber material, and the middle part is linearly arrayed. The drive wheel 112 is specifically a roller that can drive the synthetic fiber material to move (this is prior art, for details, refer to chain turnover machine).

[0031] Further, when the large part is flipped, the crane or forklift is used to move the large part to the turnover frame 12, at this time the rotating disc 11 is driven to rotate relative to the base 1, the base 1 drives the driving wheel 112 to rotate, the driving wheel 112 rotates and drives the traction belt 111 to move, the traction belt 111 on both sides of the turnover frame 12 is loosened on one side and tightened on the other side, and the turnover frame 12 is driven to rotate relative to the rotating disc 11, the large part is flipped in the vertical plane, the traction belt 111 on both sides of the turnover frame 12 drives the turnover frame 12 to flip slowly, when the center of gravity of the large part moves to the highest point and tilts to the other side, the traction belt 111 on one side is compressed by the turnover frame 12 and is tightened, and is gradually released, the turnover frame 12 continues to flip with the large part, is slowly released, reduces the shaking of the large part and the impact on the device as a whole, when the flipping of the turnover frame 12 in the vertical plane is completed, the traction belt 111 is separated from the turnover frame 12, the rotating disc 11 continues to rotate relative to the base 1, the driving wheel 112 drives the traction belt 111 to move relative to the turnover frame 12, so that the used part of the traction belt 111 is replaced, the traction belt 111 is more evenly worn, and the service life of the traction belt 111 is prolonged, and after the rotating work of the part in the horizontal plane is completed, the crane or forklift can be used to move the part.

[0032] Further, in the above embodiment, the electric telescopic rod can be arranged on the turnover frame 12, the end of the electric telescopic rod is provided with a fixing rod for fixing the traction belt 111, after the turnover frame 12 is flipped, the electric telescopic rod drives the fixing rod to move and is separated from the traction belt 111, at this time the traction belt 111 can move relative to the turnover frame 12; or the fixing rod for fixing the traction belt 111 can be arranged on the turnover frame 12, after the turnover frame 12 is flipped, the turnover frame 12 pushes the fixing rod, so that the fixing rod is separated from the traction belt 111; or other structures can be obtained by those skilled in the art according to the known technical common sense.

[0033] In the above technical solution, when the large part is flipped, the crane or forklift moves the part to the turnover frame 12, at this time the rotating disc 11 is driven to rotate relative to the base 1, the base 1 drives the driving wheel 112 to rotate, the driving wheel 112 rotates and drives the traction belt 111 to move, the traction belt 111 on both sides of the turnover frame 12 is loosened on one side and tightened on the other side, and drives the turnover frame 12 to rotate relative to the rotating disc 11, and drives the large part to flip in the vertical plane, the traction belt 111 on both sides pulls the turnover frame 12 to flip slowly, when the center of gravity of the large part moves to the highest point and tilts to the other side, the traction belt 111 on one side is compressed by the turnover frame 12 and is tightened and gradually released, the turnover frame 12 continues to flip with the large part, and slowly releases, reduces the shaking of the large part and the impact on the device as a whole, when the flipping of the turnover frame 12 in the vertical plane is completed, the traction belt 111 is separated from the turnover frame 12, the rotating disc 11 continues to rotate relative to the base 1, the driving wheel 112 drives the traction belt 111 to move relative to the turnover frame 12, so that the use part of the traction belt 111 is replaced, the traction belt 111 is more evenly worn, and the service life of the traction belt 111 is prolonged, and after the rotating work of the part in the horizontal plane is completed, the crane or forklift can be used to transfer the part.

[0034] As further provided in the embodiments of the application, the base 1 is movably provided with a driving shaft 131 for driving the rotating disc 11 to rotate, and the rotating disc 11 moves relative to the driving shaft 131 so that the transmission ratio between the two can be adjusted.

[0035] Specifically, the base 1 is internally provided with a motor, the output end of the motor is provided with a first gear 132 and a second gear 133, the size specification of the second gear 133 is larger than that of the first gear 132, the rotating disc 11 is provided with a first gear ring 134 engaged with the first gear 132 and a second gear ring 135 engaged with the second gear 133, the base 1 is slidably provided with a movable ring 118 for supporting the rotating disc 11, and the movable ring 118 and the frame are provided with springs therebetween.

[0036] Further, after the large part is placed on the turnover frame 12, the large part presses the turnover frame 12 and the lower movement of the turntable 11, and the spring between the movable ring 118 and the rack is compressed, the second gear 133 is separated from the second gear ring 135, the first gear 132 is engaged with the first gear ring 134, the transmission ratio between the driving shaft 131 and the turntable 11 is changed, at this time the motor works, drives the driving shaft 131 to rotate, the driving shaft 131 drives the first gear ring 134 to rotate through the first gear 132, in turn drives the turntable 11 to rotate, the turntable 11 drives the turnover frame 12 to drive the part to overturn, when the part overturns, the spring pushes the movable ring 118 and the movable ring 118 on the turntable 11 to move up, the first gear 132 is separated from the first gear ring 134, the second gear 133 is engaged with the second gear ring 135, at this time the motor has the same reverse torque, which can drive the second gear ring 135 and the turntable 11 to rotate faster through the second gear 133, and reset the turnover frame 12.

[0037] As further provided by the present application, the turnover frame 12 is specifically composed of the hinged first turnover plate 121 and the second turnover plate 122, and the connecting rod 127 for changing the included angle between the two is movably arranged between the first turnover plate 121 and the second turnover plate 122.

[0038] Specifically, the connecting block 123 is rotatably arranged on the turntable 11, the first turnover plate 121 is arranged on the connecting block 123, the second turnover plate 122 is rotatably arranged on the connecting block 123, the connecting rod 127 is specifically a threaded telescopic rod, and the guide roller 1211 for guiding the movement of the traction belt 111 is fixedly arranged on the first turnover plate 121.

[0039] Further, in the process of part overturning work, the corners of the part to be overturned are not necessarily right angles, when encountering parts with corners that are not right angles, the length of the connecting rod 127 can be changed, the connecting rod 127 pushes the second turnover plate 122 to rotate relative to the first turnover plate 121, the included angle between the second turnover plate 122 and the first turnover plate 121 is changed, and the corners of the part are adapted, and when the overturning work is performed, the turnover frame 12 with the changed included angle can better adapt to and lift the part.

[0040] As further provided by the present application, the tensioning wheel 114 for tensioning the traction belt 111 is movably arranged on the turntable 11, and the second turnover plate 122 is rotated relative to the first turnover plate 121 to move the tensioning wheel 114.

[0041] Specifically, the movable rod 113 is slidably arranged on the turntable 11, the tensioning wheel 114 for clamping the traction belt 111 is symmetrically arranged on the movable rod 113, and the spring is arranged between the movable rod 113 and the turntable 11.

[0042] Further, during the rotation of the second flap 122 relative to the first flap 121, the distance between the first flap 121 and the corner of the second flap 122 changes, and the tightness of the traction belt 111 used to drive the turnover of the turnover frame 12 also changes. At this time, the movable rod 113 is driven to move by the second flap 122, the tensioning wheel 114 is driven to move, and the traction belt 111 is kept in a tight state, so as to better perform the turnover of the parts.

[0043] As further provided in another embodiment of the present application, a plurality of push blocks 126 for pushing the tensioning wheel 114 are movably arranged on the first flap 121, and a driving disc 124 for driving the push blocks 126 to move is arranged on the second flap 122.

[0044] Specifically, the push blocks 126 for pushing the movable rod 113 are movably arranged on the movable block, and the driving disc 124 for driving the push blocks 126 to move is arranged on the second flap 122. The driving disc 124 is provided with a plane thread, the push block 126 is provided with a tenon 125, the tenon 125 is provided with a sliding groove matched with the plane thread, and the movable block is provided with a mortise matched with the tenon 125.

[0045] Further, during the rotation of the second flap 122 relative to the first flap 121, the driving disc 124 on the second flap 122 moves relative to the movable block, the plane thread on the driving disc 124 moves along the sliding groove on the tenon 125, and the tenon 125 is driven to move along the mortise, thereby driving the push block 126 to move. The spring drives the movable rod 113 to tightly adhere to the push block 126, and the position of the tensioning wheel 114 is changed.

[0046] As further provided in another embodiment of the present application, a fixing pin 1222 for fixing the traction belt 111 is movably arranged on the second flap 122, and the second flap 122 is embedded in the rotating disc 11 to separate the fixing pin 1222 from the traction belt 111.

[0047] Specifically, the traction belt 111 is provided with through holes arranged in a linear array and matched with the fixing pin 1222.

[0048] Further, after the turnover frame 12 drives the turnover of the parts to be completed, the second flap 122 tightly adheres to the rotating disc 11, and the traction belt 111 is loosened. The rotating disc 11 drives the fixing pin 1222 to move relative to the traction belt 111, so as to separate the fixing pin 1222 from the traction belt 111. At this time, the traction belt 111 can move relative to the turnover frame 12.

[0049] As further provided in another embodiment of the present application, a first locking rod 1225 for locking the second flap 122 is movably arranged on the rotating disc 11, and the first locking rod 1225 is inserted into the second flap 122 to separate the fixing pin 1222 from the traction belt 111.

[0050] Specifically, the second turning plate 122 is provided with a guide block 1221 for guiding the movement of the traction belt 111, a fixed pin 1222 is slidingly installed in the guide block 1221, the second turning plate 122 is provided with a groove matched with the fixed pin 1222, a spring is arranged between the fixed pin 1222 and the guide block 1221, the fixed pin 1222 is provided with a first wedge block 1223, the guide block 1221 is internally provided with a second wedge block 1224, the inclined surface of the second wedge block 1224 is in abutment with the inclined surface of the first wedge block 1223, the rotating disc 11 is provided with a stop block 1226 for blocking the first lock rod 1225, a spring is arranged between the stop block 1226 and the rotating disc 11, the guide block 1221 is provided with a notch for the first lock rod 1225 to insert, the second wedge block 1224 is provided with an inclined slope matched with the first lock rod 1225, the first lock rod 1225 is provided with a lever extending to the outside of the rotating disc 11, and a spring is arranged between the first lock rod 1225 and the rotating disc 11.

[0051] Further, after the turnover of the turnover frame 12 with the parts, the guide block 1221 is embedded in the rotating disc 11 and presses the stop block 1226, the stop block 1226 moves downward and is disengaged from the first lock rod 1225, the first lock rod 1225 is inserted into the guide block 1221 under the pushing of the spring and moves along the inclined surface of the second wedge block 1224, the second wedge block 1224 is pushed to move toward the inside of the guide block 1221, the second wedge block 1224 pushes the first wedge block 1223 to move, the first wedge block 1223 moves with the fixed pin 1222, and the fixed pin 1222 is separated from the traction belt 111.

[0052] As further provided in another embodiment of the application, the second bevel gear 116 is slidingly connected with the base 1 and rotationally connected with the rotating disc 11, and the driving wheel 112 is provided with the first bevel gear 115 engaged with the second bevel gear 116.

[0053] Specifically, the base 1 is provided with a limiting table 117 for limiting the rotation of the second bevel gear 116, and the second bevel gear 116 is provided with a groove matched with the limiting table 117.

[0054] Further, in the process of rotating the rotating disc 11 relative to the base 1, the base 1 limits the second bevel gear 116 through the limiting table 117, the second bevel gear 116 rotates relative to the rotating disc 11, pushes the first bevel gear 115 engaged therewith, and drives the driving wheel 112 to rotate through the first bevel gear 115.

[0055] As further provided in another embodiment of the application, the base 1 is movably provided with an indicator 137 and a second lock rod 136 for fixing the rotating disc 11, the second lock rod 136 is inserted into the rotating disc 11 to make the indicator 137 stand up.

[0056] Specifically, the rotating disc 11 is provided with a through hole adapted to the first locking rod 1225, and the through hole is adapted to the second locking rod 136, and the second locking rod 136 is provided with a spring between the base 1.

[0057] Further, when the rotating disc 11 rotates 90° relative to the base 1, the motor stops working, the second locking rod 136 is opposite to the through hole on the rotating disc 11 and is inserted into the rotating disc 11, the second locking rod 136 pushes the first locking rod 1225 in the rotating disc 11, the second locking rod 136 spans the rotating disc 11 and the base 1, the rotating disc 11 is locked on the base 1, and the indicator 137 is erected to remind the staff that the parts have been rotated 90° on the horizontal plane.

[0058] As another embodiment further provided by the application, the middle part of the indicator 137 is rotatably installed on the base 1, and the indicator 137 is provided with a pull rope 138 between the second locking rod 136.

[0059] Specifically, the indicator 137 is provided with a torsion spring between the base 1.

[0060] Further, when large parts are turned over, the crane or forklift is used to move the parts to the turnover frame 12, the large parts press the turnover frame 12 and the rotating disc 11 to move downward, and the spring between the movable ring 118 and the rack is compressed, the second gear 133 is separated from the second gear ring 135, and the first gear 132 is engaged with the first gear ring 134, at this time, the motor works to drive the rotating disc 11 to rotate.

[0061] In the process of rotating the rotating disc 11 relative to the base 1, the base 1 limits the second bevel gear 116 through the limiting table 117, the second bevel gear 116 rotates relative to the rotating disc 11, and drives the first bevel gear 115 engaged therewith, and drives the driving wheel 112 through the first bevel gear 115, the driving wheel 112 drives the traction belt 111 to move, the traction belt 111 drives the turnover frame 12 formed by the second turnover plate 122, the first turnover plate 121 and the connecting rod 127 to overturn relative to the rotating disc 11, and the contact part of the traction belt 111 with the guide roller 1211 and the contact part of the traction belt 111 with the guide block 1221 are acute angles, the guide roller 1211 and the guide block 1221 can limit the traction belt 111 to a certain extent and share the shear force of the traction belt 111 on the fixed pin 1222.

[0062] In the process of turning over the turning frame 12 relative to the rotating disc 11, the traction belts 111 on both sides of the turning frame 12 are loosened on one side and tightened on the other side, thereby driving the turning frame 12 to rotate relative to the rotating disc 11 and driving the large parts to turn over in the vertical plane. The traction belts 111 on both sides of the turning frame 12 slowly turn over, and when the center of gravity of the large parts moves to the highest point and tilts to the other side, the traction belts 111 on one side are compressed by the turning frame 12 and are tightened, and are gradually released. The turning frame 12 continues to turn over with the large parts, and is slowly released, thereby reducing the shaking of the large parts and the impact on the entire device;

[0063] After the turning frame 12 turns over with the parts, the guide block 1221 is embedded in the rotating disc 11 and presses the stop block 1226. The stop block 1226 moves downward and is disengaged from the first locking rod 1225. The first locking rod 1225 is inserted into the guide block 1221 under the push of the spring and moves along the inclined surface on the second wedge block 1224. The second wedge block 1224 is pushed to move inward, and the second wedge block 1224 pushes the first wedge block 1223 to move. The first wedge block 1223 moves with the fixed pin 1222, and the fixed pin 1222 is separated from the traction belt 111. The rotating disc 11 continues to rotate relative to the base 1, and the drive wheel 112 drives the traction belt 111 to move relative to the turning frame 12, so that the use part of the traction belt 111 is replaced, and the traction belt 111 is worn more evenly, thereby prolonging the service life of the traction belt 111;

[0064] When the rotating disc 11 rotates 90° relative to the base 1, the motor stops working, the second locking rod 136 is opposite to the through hole on the rotating disc 11 and is inserted into the rotating disc 11, pushing the first locking rod 1225 in the rotating disc 11. The second locking rod 136 spans the rotating disc 11 and the base 1, and locks the rotating disc 11 on the base 1. The second locking rod 136 drives the indicator 137 to stand up through the pull-up rope 138, reminding the staff that the parts have been rotated 90° in the horizontal plane. When it still needs to continue to rotate, the staff manually presses the indicator 137, and the indicator 137 drives the second locking rod 136 to retract into the base 1 through the pull rope 138. The rotating disc 11 can continue to rotate relative to the base 1;

[0065] After the rotation of the parts in the horizontal plane is also completed, the parts can be transferred by using a crane or a forklift. The movable ring 118 pushes the rotating disc 11 to move upward, the first gear 132 is separated from the first tooth ring 134, and the second gear 133 is engaged with the second tooth ring 135. At this time, the motor outputs a reverse torque, which can drive the second tooth ring 135 and the rotating disc 11 to rotate faster through the second gear 133 with a larger size. Then, the first locking rod 1225 is moved by pulling the pull rod, the spring pushes the fixed pin 1222 to pass through the traction belt 111 again and is inserted into the groove on the second turning plate 122. The drive wheel 112 reversely rotates to drive the traction belt 111 to move, so that the turning frame 12 is reset;

[0066] When the corner of the part is not a right angle, the length of the connecting rod 127 can be changed, the connecting rod 127 pushes the second turning plate 122 to rotate relative to the first turning plate 121, the angle between the second turning plate 122 and the first turning plate 121 is changed, the part corner is adapted, when the turning work is carried out, the turning frame 12 with the changed angle can better adapt and lift the part, in the process of the second turning plate 122 rotating relative to the first turning plate 121, the distance between the first turning plate 121 and the second turning plate 122 changes, and the tightness of the traction belt 111 for driving the turning frame 12 to move also changes, at this time, the movable rod 113 is driven to move by the second turning plate 122, the tension pulley 114 is driven to move, the traction belt 111 is kept in a tight state, so that the part turning work is better carried out.

[0067] The above only describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A mechanism for turning over a large component, characterized by The base is provided with a rotating disc movably arranged thereon, a turnover frame movably arranged on the rotating disc, a traction belt movably arranged between two side plates of the turnover frame and passing through the rotating disc, a driving wheel movably arranged in the rotating disc for driving the traction belt to move, and the rotating disc rotates relative to the base to drive the driving wheel to move the traction belt, and the turnover frame is turned over to separate the traction belt from the turnover frame. The turnover frame is composed of a first turnover plate and a second turnover plate hingedly connected, and a connecting rod movably arranged between the first turnover plate and the second turnover plate for changing the included angle therebetween. The rotating disc is movably provided with a tensioning wheel for tensioning the traction belt, and the second turnover plate rotates relative to the first turnover plate to move the tensioning wheel. The first turnover plate is movably provided with a plurality of push blocks for pushing the tensioning wheel, and the second turnover plate is provided with a driving disc for driving the push blocks to move. The second turnover plate is movably provided with a fixing pin for fixing the traction belt, and the second turnover plate is embedded with the rotating disc to separate the fixing pin from the traction belt. The rotating disc is movably provided with a first locking rod for locking the second turnover plate, and the first locking rod is inserted into the second turnover plate to separate the fixing pin from the traction belt. The base is further provided with a second bevel gear in sliding connection with the base and in rotational connection with the rotating disc, and the driving wheel is provided with a first bevel gear in meshing connection with the second bevel gear. During the turning over of the turnover frame relative to the rotating disc, the traction belts on both sides of the turnover frame are loosened on one side and tightened on the other side, and drive the turnover frame to rotate relative to the rotating disc, drive the large parts to turn over in the vertical plane, and the traction belts on both sides of the turnover frame slowly turn over, and when the center of gravity of the large parts moves to the highest point and tilts to the other side, the traction belt on one side is tightened by the pressure of the turnover frame and gradually released, and the turnover frame continues to turn over with the large parts, slowly releases, and reduces the shaking of the large parts and the impact on the whole device.

2. A mechanism for inverting a large component according to claim 1, characterised in that The base is movably provided with a driving shaft for driving the rotating disc to rotate, and the rotating disc moves relative to the driving shaft to adjust the transmission ratio therebetween.

3. A mechanism for inverting a large part according to claim 1, characterized in that The base is movably provided with an indicator and a second locking rod for fixing the rotating disc, and the second locking rod is inserted into the rotating disc to make the indicator stand up.

4. A mechanism for inverting a large component according to claim 3, wherein The middle part of the indicator is rotatably installed on the base, and a pull rope is arranged between the indicator and the second locking rod.

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