A welding and flipping platform for a sled crossbeam

Abstract

The present invention discloses a welding and turning platform for a sled crossbeam, belonging to the technical field of sled crossbeam manufacturing. The positioning device for sled crossbeam manufacturing includes a bottom plate. A pair of symmetric support frames are slidably connected to the surface of the bottom plate. A placing table for placing the sled crossbeam is rotatably connected to the surface of the support frames. It also includes a pair of symmetric rotating mechanisms rotatably connected inside the placing table. A plurality of pressing mechanisms for pressing the sled crossbeam are fixedly installed on the surface of the rotating mechanisms. Under the action of the self-gravity of the sled crossbeam, when the rotating mechanism rotates, the pressing mechanism presses the sled crossbeam. Through the setting of the first spring and the supporting plate, the vibration of the sled crossbeam can be reduced during the front-side welding. When the sled crossbeam is turned over, the pressing mechanism supports the sled crossbeam. The setting of the second spring and the first sleeve enables the sled crossbeam to reduce vibration during the reverse-side welding, and the supporting plate presses the reverse side of the sled crossbeam to improve the stability of the sled crossbeam when it is on the reverse side.

Description

Technical Field

[0001] The present invention belongs to the technical field of sled crossbeam manufacturing, and particularly relates to a welding and flipping platform for sled crossbeams. Background Art

[0002] The sled crossbeam is an important part of the sled, mainly used to connect and support various parts of the sled. In the design of large sleds used in Antarctic transportation, the crossbeam, as one of the key structures, plays an important role. The design of the sled crossbeam takes into account various factors, including the strength of the material, low-temperature resistance, and the rationality of the structure. In the design of large sleds, the crossbeam not only needs to bear the weight of the upper platform of the sled but also ensure stability and durability in the harsh Antarctic environment. Therefore, the material selection and structural design of the crossbeam have undergone careful calculations and considerations.

[0003] When manufacturing the sled crossbeam, welding is a common method, and the quality of welding directly affects the overall quality and service effect of the sled. During the welding process of the sled crossbeam, vibration is a common and troublesome problem. This vibration not only causes problems such as poor weld formation and decreased welding accuracy but also may lead to fatigue damage of the workpiece material over time, reducing its mechanical properties and service life.

[0004] Therefore, there is an urgent need to provide a welding and flipping platform for sled crossbeams to solve the above problems. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to overcome the above-mentioned disadvantages of the prior art and provide a welding and flipping platform for sled crossbeams.

[0006] The technical solution adopted to solve the above technical problem is: to provide a welding and flipping platform for sled crossbeams, including a bottom plate, on the surface of which symmetric support frames are slidably connected. A placement table for placing the sled crossbeam is rotatably connected to the surface of the support frame, and further includes;

[0007] Symmetric rotating mechanisms are rotatably connected inside the placement table. A plurality of pressing mechanisms for pressing the sled crossbeam are fixedly installed on the surface of the rotating mechanism. The fixing mechanism is fixedly installed at the end of the meshing mechanism, and the meshing mechanism is rotatably connected inside the placement table;

[0008] A fixing mechanism for fixing both sides of the sled crossbeam is slidably connected inside the placement table. A limiting mechanism for restricting the rotation of the rotating mechanism is slidably connected inside the placement table. A driving mechanism for rotating the placement table is fixedly installed on one side of the support frame. An elevating mechanism for adjusting the height of the placement table is provided inside the support frame;

[0009] The rotation mechanism is used to drive the pressing mechanism to flip. After the flipping is completed, the pressing mechanism presses on the surface of the sled crossbeam. During the flipping process, the pressing mechanism is in active contact with the meshing mechanism and squeezes the meshing mechanism. The meshing mechanism rotates to push the fixing mechanism out of the placement table and fix both sides of the sled crossbeam.

[0010] The present invention is further configured as follows: a placement groove is provided on the surface of the placement table. A first spring is fixedly installed at the bottom of the placement groove. The end of the first spring is fixedly installed with a support plate. The support plate is slidably connected inside the placement groove. Working grooves are provided on both sides of the placement table. Symmetrical grooves are provided on both sides of the placement table. Symmetrical rotating shaft grooves are provided inside the working grooves. Symmetrical guide rails are fixedly installed inside the working grooves. Symmetrical fixing blocks are fixedly installed on the surface of the placement table.

[0011] Through the above technical solution, one end of the sled crossbeam is placed on the surface of the support plate through the placement groove. Due to the self-weight of the sled crossbeam, the first spring is compressed. During welding, the first spring plays a buffering role for the sled crossbeam. The setting of the working groove provides a rotating space for the rotation mechanism and enables the first rack and the second rack of the meshing mechanism to slide inside the working groove. After the long fixing plate rotates vertically, it can be placed inside the groove. The cooperation of the rotating shaft groove and the rotating shaft enables the rotation mechanism to rotate. The setting of the guide rail cooperates with the guide groove to enable the fixing mechanism to move out of the working groove and squeeze and fix both sides of the sled crossbeam. The fixing block is hinged to the U-shaped frame, enabling the U-shaped frame to rotate at a small angle.

[0012] The present invention is further configured as follows: the rotation mechanism includes a first connecting rod. Symmetrical long fixing plates and short fixing plates are fixedly installed on the surface of the first connecting rod. The long fixing plates and the short fixing plates are at a right angle. A clamping groove is provided on one side of the surface of the short fixing plate. A rotating shaft is fixedly installed inside the first connecting rod. The first connecting rod and the short fixing plate are rotatably connected inside the working groove. The long fixing plate is rotatably connected inside the groove. The rotating shaft is rotatably connected inside the rotating shaft groove.

[0013] Through the above technical solution, when the sled crossbeam is placed inside the placement groove, its lower surface contacts the short fixing plate and squeezes the short fixing plate. After the short fixing plate is squeezed, it rotates, thereby causing the first connecting rod to rotate. The long fixing plate rotates from a vertical state to a horizontal state. At this time, the pressing mechanism contacts the front surface of the sled crossbeam and presses on the front surface of the sled crossbeam. The cooperation of the clamping groove and the clamping block prevents the first connecting rod from rotating back, so that the pressing mechanism can continuously press on the sled crossbeam. Both ends of the rotating shaft are inserted inside the rotating shaft groove, enabling the first connecting rod to drive the long fixing plate and the short fixing plate to rotate.

[0014] The present invention is further configured such that: the pressing mechanism includes a fixed rod, the fixed rod is fixedly installed on the surface of the long fixed plate, one end of the fixed rod is fixedly installed with a first positioning ring, the surface of the fixed rod is slidably connected with a first sleeve, the first positioning ring is slidably connected inside the first sleeve, the surface of the first positioning ring is fixedly installed with a second spring, the other end of the second spring is fixedly connected to one end inside the first sleeve, the surface of the first sleeve is fixedly installed with an abutting plate, and the surface of the abutting plate is fixedly installed with a plurality of hemispherical blocks.

[0015] Through the above technical solution, when the sled crossbeam is welded on the front side, the pressing mechanism presses the sled crossbeam. When the sled crossbeam is flipped, the abutting plate lifts the sled crossbeam. When welding on the reverse side, through the settings of the first sleeve and the second spring, the vibration of the sled crossbeam is damped. The setting of the hemispherical blocks increases the friction with the front side of the sled crossbeam and effectively presses the sled crossbeam.

[0016] The present invention is further configured such that: the meshing mechanism includes a first rack, the first rack is slidably connected inside the working groove, symmetric second sleeves are fixedly installed inside the working groove, one end of the first rack is fixedly installed with a second positioning ring, both the first rack and the second positioning ring are slidably connected inside the second sleeve, the surface of the second positioning ring is fixedly installed with a third spring, the other end of the third spring is fixedly connected to one end inside the second sleeve, symmetric rotating rods are rotatably connected inside the working groove, gears are fixedly installed on the surface of the rotating rods, one side of the gear meshes with the first rack, and a second rack is slidably connected inside the working groove, and the other side of the gear meshes with the second rack.

[0017] Through the above technical solution, when the short fixed plate rotates, the back surface fits against the end of the first rack and squeezes the first rack. After being squeezed, the first rack moves into the working groove. Through the meshing action between the first rack and the gear, the gear can rotate. The gear meshes with the second gear at the same time, so that when the first rack moves into the working groove, the second rack drives the fixing mechanism to move out of the working groove to fix both sides of the sled crossbeam. The second sleeve provides space for the movement of the first rack and the second positioning ring and ensures that the first rack does not deviate during movement. The setting of the third spring can make the first rack move back to the initial position after the welding work is completed and wait for the next work to use.

[0018] The present invention is further configured such that: the fixing mechanism includes a moving block, the end of the second rack is fixedly connected to the surface of the moving block, a fourth spring is fixedly installed inside the moving block, a positioning plate is fixedly installed at the end of the fourth spring, a second connecting rod is fixedly installed on the surface of the positioning plate, both the second connecting rod and the positioning plate are slidably connected inside the moving block, a pressing plate is fixedly installed at the end of the second connecting rod, symmetric guide grooves are formed on the lower surface of the moving block, and the guide rails are slidably connected inside the guide grooves.

[0019] Through the above technical solution, when the second rack moves, it pushes the moving block out of the working groove, the pressing plate contacts both sides of the sled crossbeam and presses the sled crossbeam, and the cooperation of the fourth spring and the positioning plate enables the pressing plate to press both sides of the sled crossbeam with different widths. The cooperation of the guide groove and the guide rail enables the moving block to remain stable during movement and be able to move out between the two short fixing plates.

[0020] The present invention is further configured such that: the limiting mechanism includes a U-shaped frame, the U-shaped frame is hinged to the fixed block, movable rods are fixedly connected to both ends of the U-shaped frame, a clamping block is fixedly installed at the end of the movable rod, the clamping block is slidably connected inside the clamping groove, a third positioning ring is fixedly installed on the surface of the movable rod, a fifth spring is fixedly installed on the surface of the third positioning ring, a positioning groove is formed inside the placing table, both the movable rod and the third positioning ring are slidably connected inside the positioning groove, the other end of the fifth spring is fixedly connected to one end inside the positioning groove, and a relief groove is formed on one side of the positioning groove, and the clamping block is slidably connected inside the relief groove.

[0021] Through the above technical solution, when the short fixing plate rotates, it squeezes the clamping block, and the clamping block is temporarily retracted into the relief groove. When the short fixing plate rotates into the working groove, the clamping block pops out under the action of the fifth spring and inserts into the clamping groove to limit the short fixing plate and prevent it from rotating back. When the front and back sides of the sled crossbeam are welded, through the hinge setting of the U-shaped frame and the fixed block, at this time, press the surface of the U-shaped frame, and both ends of the U-shaped frame move away from the surface of the placing table, thereby driving the two movable rods to move out inside the positioning groove, and further driving the clamping block to move out of the clamping groove to cancel the limit on the short fixing plate. The sled crossbeam moves out of the two placing grooves by its own weight and falls onto the surface of the bottom plate.

[0022] The present invention is further configured such that: the driving mechanism includes a turntable, a transmission rod is fixedly installed on the surface of the turntable, a rotating seat is fixedly installed at the end of the transmission rod, the placing table is fixedly installed on the surface of the rotating seat, and a pin is movably inserted inside the turntable.

[0023] Through the above technical solution, when the sled crossbeam needs to be flipped, the turntable is rotated, and the transmission rod rotates to drive the rotating seat to rotate, thereby driving the placement table to rotate, so as to realize the flipping of the sled crossbeam. After the flipping work of the sled crossbeam is completed, the turntable can be fixed through the cooperation of the bolt and the jack, so that the angle of the placement table can be fixed to avoid rotation. The jacks are arranged in multiple numbers, and the sled crossbeam can be flipped at multiple angles, which provides convenience for the welding work.

[0024] The present invention is further configured as: the lifting mechanism includes a cylinder, and a hollow sleeve is fixedly installed at the end of the cylinder, and the transmission rod is rotatably connected inside the hollow sleeve.

[0025] Through the above technical solution, when the cylinder moves up and down, it drives the two placement tables to be able to adjust the height. The setting of the hollow sleeve enables the placement table to still be able to rotate after the position is adjusted.

[0026] The present invention is further configured as: a motor is fixedly installed on the surface of the bottom plate, the output end of the motor is drivingly connected with a bidirectional lead screw, a nut sleeve is fixedly installed on the lower surface of the support frame, the nut sleeve is threadedly connected to the surface of the bidirectional lead screw, a nut sleeve groove is opened on the surface of the bottom plate, the nut sleeve is slidably connected inside the nut sleeve groove, a through groove is opened inside the support frame, the cylinder is fixedly installed inside the through groove, a plurality of jacks are opened on one side of the support frame and are distributed in a ring shape, and the bolt is movably inserted inside the jack.

[0027] Through the above technical solution, through the setting of the motor, the bidirectional lead screw can rotate. Through the cooperation of the nut sleeve and the nut sleeve groove, the distance between the two support frames can be adjusted, which is suitable for welding work of sled crossbeams with different lengths and sizes. The through groove provides a moving space for the height adjustment of the placement table.

[0028] The beneficial effects of the present invention are as follows:

[0029] 1. The present invention is provided with a rotating mechanism and a pressing mechanism. Under the action of the self-gravity of the sled crossbeam, when the rotating mechanism rotates, the pressing mechanism effectively presses the sled crossbeam, improving the stability of the sled crossbeam. Through the setting of the first spring and the supporting plate, the vibration of the sled crossbeam can be reduced during the front-side welding. When the sled crossbeam is flipped, the pressing mechanism supports the sled crossbeam. The setting of the second spring and the first sleeve enables the sled crossbeam to reduce vibration during the reverse-side welding, and the supporting plate presses the reverse side of the sled crossbeam, improving the stability of the sled crossbeam on the reverse side, thereby improving the overall quality of the sled crossbeam;

[0030] 2. The present invention is provided with a lifting mechanism, which can adjust the heights of the two placing tables. In the initial state, the placing tables are at the lowest height, facilitating the placement of the sled crossbeam, thus avoiding manual lifting of the sled crossbeam by workers and improving the welding efficiency. After the welding of the sled crossbeam is completed, the placing tables move to the lowest height again, facilitating the removal of the sled crossbeam by workers;

[0031] 3. The present invention is provided with a driving mechanism, which drives the two placing tables to rotate during operation. When a certain welding position on the surface of the sled crossbeam is relatively special, the placing table is rotated through the turntable, and the special welding position is rotated to an angle convenient for welding. Then, through the cooperation of the pin and the jack, the angle of the special welding position can be continuously maintained until the welding work is completed, thereby improving the welding efficiency and ensuring the quality of the sled crossbeam. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0033] Figure 2 is a three-dimensional sectional structural schematic diagram of the present invention;

[0034] Figure 3 is a structural schematic diagram of the meshing mechanism and the fixing mechanism of the present invention;

[0035] Figure 4 is a sectional structural schematic diagram of the placing table of the present invention;

[0036] Figure 5 is a structural schematic diagram of the meshing mechanism of the present invention;

[0037] Figure 6 is a structural schematic diagram of the fixing mechanism of the present invention;

[0038] Figure 7 is a structural schematic diagram of the rotating mechanism of the present invention;

[0039] Figure 8 is a structural schematic diagram of the lifting mechanism of the present invention;

[0040] Figure 9 is a structural schematic diagram of the driving mechanism of the present invention;

[0041] Figure 10 is a structural schematic diagram of the rotating seat on the surface of the right support seat of the present invention;

[0042] Figure 11 is Figure 3 the enlarged view at A in

[0043] Figure 12 is Figure 4 the enlarged view at B in

[0044] Figure 13 is Figure 7 the enlarged view at position C in

[0045] Reference numerals: 1, bottom plate; 11, motor; 12, bidirectional lead screw; 13, nut sleeve groove; 2, support frame; 21, through groove; 22, jack; 23, nut sleeve; 3, placing table; 31, placing groove; 32, first spring; 33, supporting plate; 34, working groove; 35, groove; 36, rotating shaft groove; 37, guide rail; 38, fixing block; 4, rotating mechanism; 41, first connecting rod; 42, long fixing plate; 43, short fixing plate; 44, clamping groove; 45, rotating shaft; 5, pressing mechanism; 51, fixing rod; 52, first positioning ring; 53, first sleeve; 54, second spring; 55, abutting plate; 56, hemispherical block; 6, meshing mechanism; 61, first rack; 62, second sleeve; 63, second positioning ring; 64, third spring; 65, rotating rod; 66, gear; 67, second rack; 7, fixing mechanism; 71, moving block; 72, fourth spring; 73, positioning plate; 74, second connecting rod; 75, pressing plate; 76, guide groove; 8, limiting mechanism; 81, U-shaped frame; 82, movable rod; 83, clamping block; 84, third positioning ring; 85, fifth spring; 86, positioning groove; 87, relief groove; 9, driving mechanism; 91, turntable; 92, transmission rod; 93, rotating seat; 94, pin; 10, lifting mechanism; 101, cylinder; 102, hollow sleeve. Specific embodiments

[0046] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0047] Please refer to Figures 1 - 13 , this application provides a welding and flipping platform for a sled crossbeam, including a bottom plate 1, on the surface of which symmetric support frames 2 are slidably connected, and a placing table 3 for placing the sled crossbeam is rotatably connected to the surface of the support frames 2.

[0048] As Figure 3 shown in Figure 4 , a placing groove 31 is provided on the surface of the placing table 3, a first spring 32 is fixedly installed at the bottom of the placing groove 31, a supporting plate 33 is fixedly installed at the end of the first spring 32, the supporting plate 33 is slidably connected inside the placing groove 31, working grooves 34 are provided on both sides of the placing table 3, symmetric grooves 35 are provided on both sides of the placing table 3, symmetric rotating shaft grooves 36 are provided inside the working grooves 34, symmetric guide rails 37 are fixedly installed inside the working grooves 34, and symmetric fixing blocks 38 are fixedly installed on the surface of the placing table 3.

[0049] In this embodiment, further, one end of the sled crossbeam is placed on the surface of the pallet 33 through the placement groove 31. Due to the self-weight of the sled crossbeam, the first spring 32 is compressed. During welding, the first spring 32 plays a buffering role for the sled crossbeam. The setting of the working groove 34 provides a rotation space for the rotating mechanism 4 and enables the first rack 61 and the second rack 67 of the meshing mechanism 6 to slide inside the working groove 34. After the long fixing plate 42 rotates vertically, it can be placed inside the groove 35. The rotation shaft groove 36 cooperates with the rotation shaft 45 to enable the rotating mechanism 4 to rotate. The setting of the guide rail 37 cooperates with the guide groove 76 to enable the fixing mechanism 7 to move out from inside the working groove 34 to squeeze and fix both sides of the sled crossbeam. The fixing block 38 is hinged to the U-shaped frame 81, enabling the U-shaped frame 81 to rotate at a small angle.

[0050] As Figure 2 shown in Figure 8 Figure, a motor 11 is fixedly installed on the surface of the bottom plate 1. The output end of the motor 11 is drivingly connected to a bidirectional lead screw 12. A nut sleeve 23 is fixedly installed on the lower surface of the support frame 2. The nut sleeve 23 is threadedly connected to the surface of the bidirectional lead screw 12. A nut sleeve groove 13 is formed on the surface of the bottom plate 1. The nut sleeve 23 is slidably connected inside the nut sleeve groove 13. A through groove 21 is formed inside the support frame 2. A cylinder 101 is fixedly installed inside the through groove 21. A plurality of jacks 22 are formed on one side of the support frame 2 and are distributed in a ring shape. A pin 94 is movably inserted inside the jacks 22.

[0051] In this embodiment, further, through the setting of the motor 11, the bidirectional lead screw 12 can rotate. Through the cooperation of the nut sleeve 23 and the nut sleeve groove 13, the distance between the two support frames 2 can be adjusted, which is suitable for welding work of sled crossbeams with different lengths and sizes. The through groove 21 provides a moving space for the height adjustment of the placement table 3.

[0052] Two symmetrical rotating mechanisms 4 are rotatably connected inside the placement table 3. A plurality of pressing mechanisms 5 for pressing the sled crossbeam are fixedly installed on the surface of the rotating mechanism 4. A meshing mechanism 6 is rotatably connected inside the placement table 3.

[0053] As Figure 7 shown in Figure, the rotating mechanism 4 includes a first connecting rod 41. Symmetrical long fixing plates 42 and short fixing plates 43 are fixedly installed on the surface of the first connecting rod 41. The long fixing plate 42 and the short fixing plate 43 are at a right angle. A clamping groove 44 is formed on one side of the surface of the short fixing plate 43. A rotating shaft 45 is fixedly installed inside the first connecting rod 41. The first connecting rod 41 and the short fixing plate 43 are rotatably connected inside the working groove 34. The long fixing plate 42 is rotatably connected inside the groove 35. The rotating shaft 45 is rotatably connected inside the rotating shaft groove 36.

[0054] Further in this embodiment, when the sled crossbeam is placed inside the placement groove 31, its lower surface contacts and presses the short fixing plate 43. After being pressed, the short fixing plate 43 rotates, causing the first connecting rod 41 to rotate. The long fixing plate 42 rotates from a vertical state to a horizontal state. At this time, the pressing mechanism 5 contacts the front surface of the sled crossbeam and presses the front surface of the sled crossbeam. The cooperation between the card slot 44 and the card block 83 prevents the first connecting rod 41 from rotating back, enabling the pressing mechanism 5 to continuously press the sled crossbeam. Both ends of the rotating shaft 45 are inserted into the rotating shaft groove 36, enabling the first connecting rod 41 to drive the long fixing plate 42 and the short fixing plate 43 to rotate.

[0055] As Figure 7 shown in Figure 13 Figure, the pressing mechanism 5 includes a fixing rod 51. The fixing rod 51 is fixedly installed on the surface of the long fixing plate 42. One end of the fixing rod 51 is fixedly installed with a first positioning ring 52. The surface of the fixing rod 51 is slidably connected with a first sleeve 53. The first positioning ring 52 is slidably connected inside the first sleeve 53. The surface of the first positioning ring 52 is fixedly installed with a second spring 54. The other end of the second spring 54 is fixedly connected to the inner end of the first sleeve 53. The surface of the first sleeve 53 is fixedly installed with an abutting plate 55. The surface of the abutting plate 55 is fixedly installed with a plurality of hemispherical blocks 56.

[0056] Further in this embodiment, when the sled crossbeam is welded on the front side, the pressing mechanism 5 presses the sled crossbeam. When the sled crossbeam is flipped, the abutting plate 55 lifts the sled crossbeam. When welding the reverse side, through the settings of the first sleeve 53 and the second spring 54, the vibration of the sled crossbeam is dampened. The setting of the hemispherical blocks 56 increases the friction with the front surface of the sled crossbeam, effectively pressing the sled crossbeam.

[0057] As Figure 5 shown in Figure 9 Figure, the meshing mechanism 6 includes a first rack 61. The first rack 61 is slidably connected inside the working groove 34. Symmetric second sleeves 62 are fixedly installed inside the working groove 34. One end of the first rack 61 is fixedly installed with a second positioning ring 63. Both the first rack 61 and the second positioning ring 63 are slidably connected inside the second sleeve 62. The surface of the second positioning ring 63 is fixedly installed with a third spring 64. The other end of the third spring 64 is fixedly connected to the inner end of the second sleeve 62. Symmetric rotating rods 65 are rotatably connected inside the working groove 34. Gears 66 are fixedly installed on the surface of the rotating rods 65. One side of the gear 66 meshes with the first rack 61. A second rack 67 is slidably connected inside the working groove 34. The other side of the gear 66 meshes with the second rack 67.

[0058] Furthermore, in this embodiment, when the short fixed plate 43 rotates, the back side fits against the end of the first rack 61 to squeeze the first rack 61. After being squeezed, the first rack 61 moves into the working groove 34, and the meshing action of the first rack 61 and the gear 66 enables the gear 66 to rotate. The gear 66 meshes with the second rack 67 at the same time, so that when the first rack 61 moves into the working groove 34, the second rack 67 drives the fixing mechanism 7 to move out of the working groove 34 to fix the two sides of the sled crossbeam. The second sleeve 62 provides space for the movement of the first rack 61 and the second positioning ring 63 while ensuring that the first rack 61 will not deviate when moving. The setting of the third spring 64 enables the first rack 61 to move back to the initial position after the welding work is completed and wait for the next work to be used.

[0059] The placing platform 3 is internally slidably connected with a fixing mechanism 7 for fixing both sides of the sled crossbeam, the fixing mechanism 7 is fixedly installed at the end of the meshing mechanism 6, the placing platform 3 is internally slidably connected with a limiting mechanism 8 for limiting the rotation of the rotating mechanism 4, a driving mechanism 9 for rotating the placing platform 3 is fixedly installed on one side of the support frame 2, and a lifting mechanism 10 for adjusting the height of the placing platform 3 is arranged inside the support frame 2.

[0060] like Figure 5 and Figure 6 As shown, the fixing mechanism 7 includes a moving block 71, the end of the second rack 67 is fixedly connected to the surface of the moving block 71, a fourth spring 72 is fixedly installed inside the moving block 71, a positioning plate 73 is fixedly installed at the end of the fourth spring 72, a second connecting rod 74 is fixedly installed on the surface of the positioning plate 73, the second connecting rod 74 and the positioning plate 73 are both slidably connected inside the moving block 71, a pressing plate 75 is fixedly installed at the end of the second connecting rod 74, and a symmetrical guide groove 76 is opened on the lower surface of the moving block 71, and the guide rail 37 is slidably connected inside the guide groove 76.

[0061] Furthermore, in this embodiment, when the second rack 67 moves, it pushes the moving block 71 to move out from the inside of the working groove 34, and the pressing plate 75 contacts and presses the two sides of the sled beam. The fourth spring 72 and the positioning plate 73 are arranged in cooperation, so that the pressing plate 75 can press the two sides of the sled beams of different widths, and the guide groove 76 and the guide rail 37 are arranged in cooperation, so that the moving block 71 can remain stable during movement and can move out between the two short fixed plates 43.

[0062] like Figure 4 and Figure 10As shown in the figure, the limit mechanism 8 includes a U-shaped frame 81. The U-shaped frame 81 is hinged to the fixed block 38. Both ends of the U-shaped frame 81 are fixedly connected with movable rods 82. The end of the movable rod 82 is fixedly installed with a clamping block 83. The clamping block 83 is slidably connected inside the clamping groove 44. The surface of the movable rod 82 is fixedly installed with a third positioning ring 84. The surface of the third positioning ring 84 is fixedly installed with a fifth spring 85. A positioning groove 86 is opened inside the placing table 3. Both the movable rod 82 and the third positioning ring 84 are slidably connected inside the positioning groove 86. The other end of the fifth spring 85 is fixedly connected to one end inside the positioning groove 86. A relief groove 87 is opened on one side of the positioning groove 86. The clamping block 83 is slidably connected inside the relief groove 87.

[0063] In this embodiment, further, when the short fixing plate 43 rotates, it presses the clamping block 83, and the clamping block 83 is temporarily retracted inside the relief groove 87. When the short fixing plate 43 rotates into the working groove 34, the clamping block 83 pops out under the action of the fifth spring 85 and inserts into the clamping groove 44 to limit the short fixing plate 43 and prevent the short fixing plate 43 from rotating back. After the front and back sides of the sled crossbeam are welded, through the hinge setting of the U-shaped frame 81 and the fixed block 38, at this time, press the surface of the U-shaped frame 81, and both ends of the U-shaped frame 81 move away from the surface of the placing table 3, thereby driving the two movable rods 82 to move out inside the positioning groove 86, and further driving the clamping block 83 to move out of the clamping groove 44 to cancel the limit on the short fixing plate 43. The sled crossbeam moves out of the two placing grooves 31 by its own weight and falls onto the surface of the bottom plate 1.

[0064] As Figure 9 shown in the figure, the driving mechanism 9 includes a turntable 91. The surface of the turntable 91 is fixedly installed with a transmission rod 92. The end of the transmission rod 92 is fixedly installed with a rotating seat 93. The placing table 3 is fixedly installed on the surface of the rotating seat 93. A pin 94 is movably inserted inside the turntable 91.

[0065] In this embodiment, further, when the sled crossbeam needs to be flipped, rotate the turntable 91. The transmission rod 92 rotates to drive the rotating seat 93 to rotate, and then drives the placing table 3 to rotate, thereby realizing the flipping of the sled crossbeam. After the flipping work of the sled crossbeam is completed, the turntable 91 can be fixed through the cooperation of the pin 94 and the jack 22, so that the angle of the placing table 3 can be fixed to prevent rotation. The jack 22 is provided with multiple ones, and the sled crossbeam is flipped at multiple angles, which provides convenience for the welding work.

[0066] As Figure 8 shown in the figure, the lifting mechanism 10 includes a cylinder 101. The end of the cylinder 101 is fixedly installed with a hollow sleeve 102. The transmission rod 92 is rotatably connected inside the hollow sleeve 102.

[0067] Further in this embodiment, when the cylinder 101 moves up and down, it drives the two placing platforms 3 to adjust their heights. The hollow sleeve 102 is provided so that the placing platform 3 can still rotate after the position is adjusted.

[0068] The rotating mechanism 4 is used to drive the pressing mechanism 5 to turn over. After the turning over is completed, the pressing mechanism 5 presses the surface of the sled crossbeam. During the turning over process, the pressing mechanism 5 is in active contact with the meshing mechanism 6 and squeezes the meshing mechanism 6. The meshing mechanism 6 rotates to push out the fixing mechanism 7 from inside the placing platform 3 and fix both sides of the sled crossbeam.

[0069] The working principle of this embodiment is as follows. First, start the cylinder 101, and the two placing platforms 3 move to the lowest height. Place the two ends of the sled crossbeam inside the placing platforms 3 respectively. The lower surface of the sled crossbeam contacts the short fixing plate 43 and squeezes the short fixing plate 43. After being squeezed, the short fixing plate 43 rotates, so that the first connecting rod 41 rotates, and the long fixing plate 42 rotates from the vertical state to the horizontal state. At this time, the pressing mechanism 5 contacts the front surface of the sled crossbeam and presses the front surface of the sled crossbeam. When the short fixing plate 43 rotates into the working groove 34, the latch 83 pops out under the action of the fifth spring 85 and inserts into the card slot 44 to limit the short fixing plate 43 to prevent it from rotating back. The back surface of the short fixing plate 43 fits with the end of the first rack 61 and squeezes the first rack 61. After being squeezed, the first rack 61 moves into the working groove 34. Through the meshing action of the first rack 61 and the gear 66, the gear 66 can rotate. The gear 66 meshes with the second rack 67 at the same time. Thus, when the first rack 61 moves into the working groove 34, the second rack 67 drives the fixing mechanism 7 to move out of the working groove 34 to fix both sides of the sled crossbeam. After the front surface of the sled crossbeam is welded, rotate the turntable 91. The transmission rod 92 rotates to drive the rotating seat 93 to rotate, and then drives the placing platform 3 to rotate, so as to realize the turning over of the sled crossbeam. After the turning over work of the sled crossbeam is completed, the turntable 91 can be fixed through the cooperation of the bolt 94 and the jack 22. When the front and back surfaces of the sled crossbeam are welded, through the hinge setting of the U-shaped frame 81 and the fixing block 38, at this time, press the surface of the U-shaped frame 81. The two ends of the U-shaped frame 81 move away from the surface of the placing platform 3, so as to drive the two movable rods 82 to move out of the positioning groove 86, and then drive the latch 83 to move out of the card slot 44 to cancel the limit on the short fixing plate 43. The sled crossbeam moves out of the two placing grooves 31 by its own weight and falls onto the bottom plate 1.

[0070] The above is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention.

Claims

1. A sled crossbeam welding turning platform, comprising a bottom plate (1), characterized in that: The surface of the bottom plate (1) is slidably connected to a symmetrical support frame (2), and the surface of the support frame (2) is rotatably connected to a placement platform (3) for placing a sled crossbeam, and further comprises: A symmetrical rotating mechanism (4) is rotatably connected inside the placement platform (3); a plurality of pressing mechanisms (5) for pressing the sled crossbeam are fixedly mounted on the surface of the rotating mechanism (4); and a meshing mechanism (6) is rotatably connected inside the placement platform (3); The placing platform (3) is slidably connected to a fixing mechanism (7) for fixing two sides of the sled crossbeam, the placing platform (3) is slidably connected to a limiting mechanism (8) for limiting the rotation of the rotating mechanism (4), a driving mechanism (9) for rotating the placing platform (3) is fixedly installed on one side of the support frame (2), and a lifting mechanism (10) for adjusting the height of the placing platform (3) is provided inside the support frame (2); The rotating mechanism (4) is used to drive the pressing mechanism (5) to flip, and after the flipping is completed, the pressing mechanism (5) presses the surface of the sled crossbeam. During the flipping process, the pressing mechanism (5) and the meshing mechanism (6) are movably fitted and squeezed, and the meshing mechanism (6) is rotated to push the fixing mechanism (7) out from the inside of the placement platform (3) and fix the two sides of the sled crossbeam; The placing table (3) is provided with working grooves (34) on both sides, the placing table (3) is provided with symmetrical grooves (35) on both sides, the working grooves (34) are provided with symmetrical rotating shaft grooves (36), the rotating mechanism (4) comprises a first connecting rod (41), a symmetrical long fixed plate (42) and a short fixed plate (43) are fixedly mounted on the surface of the first connecting rod (41), the long fixed plate (42) and the short fixed plate (43) are at right angles, a slot (44) is provided on one side of the surface of the short fixed plate (43), a rotating shaft (45) is fixedly mounted on the inside of the first connecting rod (41), the first connecting rod (41) and the short fixed plate (43) are rotatably connected inside the working groove (34), the long fixed plate (42) is rotatably connected inside the groove (35), and the rotating shaft (45) is rotatably connected inside the rotating shaft groove (36); The pressing mechanism (5) comprises a fixing rod (51), the fixing rod (51) being fixedly mounted on the surface of the long fixing plate (42), a first positioning ring (52) being fixedly mounted on one end of the fixing rod (51), a first sleeve (53) being slidably connected to the surface of the fixing rod (51), the first positioning ring (52) being slidably connected to the inside of the first sleeve (53), a second spring (54) being fixedly mounted on the surface of the first positioning ring (52), the other end of the second spring (54) being fixedly connected to the left side of the inside of the first sleeve (53), an abutment plate (55) being fixedly mounted on the surface of the first sleeve (53), and a plurality of hemispherical blocks (56) being fixedly mounted on the surface of the abutment plate (55); The meshing mechanism (6) comprises a first rack (61), the first rack (61) being slidably connected inside the working groove (34), a symmetrical second sleeve (62) being fixedly mounted inside the working groove (34), a second positioning ring (63) being fixedly mounted on one end of the first rack (61), the first rack (61) and the second positioning ring (63) being both slidably connected inside the second sleeve (62), a third spring (64) being fixedly mounted on the surface of the second positioning ring (63), the other end of the third spring (64) being fixedly connected to the left side inside the second sleeve (62), a symmetrical rotating rod (65) being rotatably connected inside the working groove (34), a gear (66) being fixedly mounted on the surface of the rotating rod (65), one side of the gear (66) being meshed with the first rack (61), a second rack (67) being slidably connected inside the working groove (34), the other side of the gear (66) being meshed with the second rack (67).

2. A sled crossbeam welding turning platform according to claim 1, characterized in that: A placement groove (31) is provided on the surface of the placement table (3), a first spring (32) is fixedly installed at the bottom of the placement groove (31), a support plate (33) is fixedly installed at the end of the first spring (32), and the support plate (33) is slidably connected inside the placement groove (31), a symmetrical guide rail (37) is fixedly installed inside the working groove (34), and a symmetrical fixing block (38) is fixedly installed on the surface of the placement table (3).

3. The sled crossbeam welding turning platform according to claim 2, characterized in that: The fixing mechanism (7) comprises a moving block (71), the end of the second rack (67) is fixedly connected to the surface of the moving block (71), a fourth spring (72) is fixedly installed inside the moving block (71), a positioning plate (73) is fixedly installed at the end of the fourth spring (72), a second connecting rod (74) is fixedly installed on the surface of the positioning plate (73), the second connecting rod (74) and the positioning plate (73) are both slidably connected inside the moving block (71), a pressing plate (75) is fixedly installed at the end of the second connecting rod (74), a symmetrical guide groove (76) is opened on the lower surface of the moving block (71), and the guide rail (37) is slidably connected inside the guide groove (76).

4. The sled crossbeam welding turning platform according to claim 2, characterized in that: The limiting mechanism (8) comprises a U-shaped frame (81), the U-shaped frame (81) is hinged to the fixed block (38), the two ends of the U-shaped frame (81) are fixedly connected with movable rods (82), the ends of the movable rods (82) are fixedly installed with clamping blocks (83), the clamping blocks (83) are slidably connected inside the clamping groove (44), a third positioning ring (84) is fixedly installed on the surface of the movable rod (82), a fifth spring (85) is fixedly installed on the surface of the third positioning ring (84), a positioning groove (86) is provided inside the placement table (3), the movable rod (82) and the third positioning ring (84) are both slidably connected inside the positioning groove (86), the other end of the fifth spring (85) is fixedly connected to the right side inside the positioning groove (86), a yielding groove (87) is provided on one side of the positioning groove (86), and the clamping block (83) is slidably connected inside the yielding groove (87).

5. The sled crossbeam welding turning platform according to claim 1, characterized in that: The driving mechanism (9) comprises a turntable (91), a transmission rod (92) is fixedly mounted on the surface of the turntable (91), a rotating seat (93) is fixedly mounted on the end of the transmission rod (92), the placement table (3) is fixedly mounted on the surface of the rotating seat (93), and a latch (94) is movably inserted inside the turntable (91).

6. The sled crossbeam welding turning platform according to claim 5, characterized in that: The lifting mechanism (10) comprises a cylinder (101), a hollow sleeve (102) is fixedly mounted on the end of the cylinder (101), and the transmission rod (92) is rotatably connected inside the hollow sleeve (102).

7. The sled crossbeam welding turning platform according to claim 6, characterized in that: A motor (11) is fixedly mounted on the surface of the base plate (1), and a bidirectional screw rod (12) is drivingly connected to the output end of the motor (11). A screw sleeve (23) is fixedly mounted on the lower surface of the support frame (2), and the screw sleeve (23) is threadedly connected to the surface of the bidirectional screw rod (12). A screw sleeve groove (13) is provided on the surface of the base plate (1), and the screw sleeve (23) is slidably connected inside the screw sleeve groove (13). A through groove (21) is provided inside the support frame (2), and the cylinder (101) is fixedly mounted inside the through groove (21). A plurality of insertion holes (22) are provided on one side of the support frame (2) and are distributed in an annular shape, and the latch (94) is movably inserted inside the insertion holes (22).

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