A special turning device for scraper bucket welding

Abstract

The present invention discloses a special flipping device for welding a shovel loader bucket, which relates to the technical field of bucket welding, and comprises a support table, the table top of which is equipped with a rotating platform, the rotating end of which is equipped with a rotating table, two support frames are arranged at the middle position of the top of the rotating table, the top positions of the two support frames are both equipped with incomplete ring plates, and a driving assembly for rotating the two incomplete ring plates is arranged in the two support frames, one end of the inner ring of the two incomplete ring plates is equipped with a positioning ear clamping mechanism, and the other end of the two incomplete ring plates is equipped with a clamping mechanism, and both ends of the rotating table are equipped with a side plate clamping mechanism. The present invention enables all parts of the bucket to be clamped and fixed, which is convenient for external welding and internal welding of the bucket, and at the same time, the entire device can flip the bucket, which is convenient for cooperation with a mechanical arm equipped with a welding machine.

Description

Technical Field

[0001] The invention relates to the technical field of bucket welding, and in particular to a special turning device for welding a scraper bucket. Background Art

[0002] The scraper has become one of the most important construction machinery in engineering construction. The scraper is equipped with a bucket for scraping. The bucket is a special industry equipment accessory (such as Figure 1 As shown in the figure), special equipment is needed to carry out the work efficiently and with high quality, and the various process equipment used in the welding manufacturing process are called auxiliary tooling.

[0003] After searching, the Chinese patent document with the authorization announcement number CN116197599B belongs to the technical field of auxiliary tooling for bucket welding, especially a special flipping device for scraper bucket welding, which is used for the welding processing of the bucket body, including a frame, a mounting plate 1 is rotatably mounted on the frame, and rotating shafts are fixedly mounted on both sides of the mounting plate 1, and the two rotating shafts pass through the frame and are rotatably connected to the frame, a reduction motor is fixedly mounted on one side of the frame, and the output shaft of the reduction motor is fixedly connected to the end of one of the rotating shafts, and a mounting mechanism is rotatably mounted on the top of the mounting plate 1, and the mounting mechanism includes a fixedly connected mounting plate 2 and a mounting plate 3, and the bottom of the mounting plate 2 is rotatably connected to the top of the mounting plate 1; the patent can quickly fix the bucket body and is easy to operate; the fixed bucket body can be flipped and adjusted so that the bucket body is presented to the operator at various angles, which is convenient for the operator to weld the bucket body and improve the welding efficiency.

[0004] However, the above invention has the following shortcomings: the above device needs to complete the ear plate welding before flipping, so the ear plate welding work needs to be done in advance. If the ear plate welding position is incorrect or deviated, it cannot be installed on the above flip device. Summary of the invention

[0005] The object of the present invention is to provide a special turning device for welding a scraper bucket to solve the problems raised in the above-mentioned background technology.

[0006] The technical solution of the present invention is: a special turning device for welding a shovel loader bucket, comprising a support table, a rotating platform is installed on the table top of the support table, a rotating table is installed on the rotating end of the rotating platform, two support frames are arranged at the middle position of the top of the rotating table, incomplete ring plates are arranged at the top positions of the two support frames, and a driving component for rotating the two incomplete ring plates is commonly arranged in the two support frames, a positioning ear clamping mechanism is arranged at one end of the inner ring of the two incomplete ring plates, and a clamping mechanism is arranged at the other end of the two incomplete ring plates, side plate clamping mechanisms are arranged at both ends of the rotating table, and a centering mechanism for centering the two side plate clamping mechanisms is arranged on the table top of the rotating table.

[0007] Preferably, the two annular surfaces of the incomplete ring plate are fixed with an incomplete circular ring coaxially arranged therewith, and two sets of limiting wheels are fixed on both sides of the two support frames, and the two sets of limiting wheels on each side are respectively placed at the upper and lower sides of the incomplete circular ring on the same side.

[0008] Preferably, the driving assembly includes a second reduction motor, two incomplete gear rings coaxially arranged therewith are fixed to the outer side of the incomplete ring plate, a plurality of synchronization rods are rotatably installed inside the support frame, a plurality of power gears are fixed on both sides of the synchronization rods, the power gears in the two support frames are respectively meshed with the incomplete gear rings on the two incomplete ring plates, each two diametrically opposed synchronization rods in the two support frames are commonly fixed with a connecting shaft, the second reduction motor is fixed to one of the support frames, and the output shaft of the second reduction motor is coaxially fixed to one of the synchronization rods, a transmission wheel is fixed to one end of each synchronization rod on one of the support frames, and each two adjacent transmission wheels are commonly provided with a transmission belt.

[0009] Preferably, the centering mechanism includes a first reduction motor, a double-threaded rod and two movable plates. Fixed plates are fixed at both ends of the table surface of the rotating table. Both ends of the double-threaded rod are rotatably mounted on the two fixed plates. The first reduction motor is fixed to one of the fixed plates. The output shaft of the first reduction motor is coaxially fixed to the double-threaded rod. The two movable plates are respectively mounted on the two ends of the double-threaded rod through threads. A group of guide rods are fixed on the outer sides of the two fixed plates. The two movable plates are respectively slidably mounted on the two groups of guide rods.

[0010] Preferably, vertical plates are fixed at both ends of the table top of the rotating table, a circular hole is opened at the top position of each vertical plate, a spline sleeve is rotatably installed inside each circular hole, each spline sleeve is slidably sleeved with a spline shaft, one end of the two spline shafts are respectively fixed on the two movable plates, and the two side plate clamping mechanisms are respectively arranged on the other end of the spline shaft.

[0011] Preferably, a connecting rod is rotatably installed on one side of the vertical plate, one end of the connecting rod is coaxially fixed to one of the synchronization rods, a second synchronization wheel coaxially arranged therewith is fixed to the outer side of the connecting rod, a first synchronization wheel coaxially arranged therewith is fixed to the outer side of the spline sleeve, and the first synchronization wheel and the second synchronization wheel are jointly sleeved with a synchronization belt.

[0012] Preferably, the two side plate clamping mechanisms each include a rectangular frame, a return spring, a double-section telescopic column, a driven plate, a first clamp, a second clamp, two connecting plates, two guide plates and two moving blocks, one end of the two rectangular frames are respectively fixed on the two spline shafts, one end of the double-section telescopic column is fixed in the rectangular frame, the other end of the double-section telescopic column passes through the rectangular frame, one end of the two guide plates are fixed on the rectangular frame, the two moving blocks are respectively slidably mounted on the two guide plates, the two moving blocks are respectively fixed to the first clamp and the second clamp, the driven plate is mounted and fixed on one end of the double-section telescopic cylinder, one end of the two connecting plates are respectively rotatably mounted on the two ends of the driven plate, the other end of the two connecting plates are respectively rotatably mounted on the two moving blocks, and the return spring is mounted on the double-section telescopic cylinder.

[0013] Preferably, the positioning ear clamping mechanism includes two reference plates, two third clamping plates, a threaded column and a plurality of guide columns, the two reference plates are fixed to the incomplete ring plate, the two ends of each guide column are respectively fixed to the two reference plates, the two third clamping plates are slidably mounted on the plurality of guide columns, the outer sides of the two reference plates are provided with rotation holes, the two ends of the threaded column are respectively rotatably installed in the two rotation holes, the two third clamping plates are respectively mounted on the double threaded columns by threaded sleeves, a plurality of internal support mechanisms are arranged on the outer side of one of the third clamping plates, the internal support mechanisms include a spring rod and a plurality of support blocks, one end of the spring rod is fixed to one of the third clamping plates, a plurality of groups of rotating rods are rotatably installed on the outer side of the spring rod, each group of rotating rods forms a one-to-one rotational fit with each support block, a plurality of connecting rods are rotatably installed on the outer side of the other end of the spring rod, each connecting rod forms a one-to-one rotational fit with a rotating rod in each group of rotating rods, and a plurality of contact columns are fixed on the other third clamping plate, which are respectively aligned with each spring rod.

[0014] Preferably, the clamping mechanism includes a cylindrical block, a support plate, a contact plate, a bevel gear ring, a main bevel gear, a transmission rod, a worm, a worm wheel and two fixed blocks. A recess is provided at one end of the incomplete ring plate, both ends of the cylindrical block are rotatably mounted in the recess, one end of the contact plate is fixed on the cylindrical block, one end of the transmission rod is rotatably mounted in the recess, the main bevel gear is coaxially fixed to the transmission rod, the cylindrical block is coaxially fixed to the bevel gear ring, the main bevel gear is meshed with the bevel gear ring, the worm wheel is coaxially fixed to the transmission rod, two fixed blocks are fixed in the recess, both ends of the worm are rotatably mounted on the two fixed blocks respectively, the worm is meshed with the worm wheel, and one end of the support plate is fixed in the incomplete ring plate.

[0015] The invention provides a special welding turning device for a scraper bucket, which has the following improvements and advantages compared with the prior art:

[0016] First, in the present invention, the side plates and positioning ears of the bucket are first spot welded and pre-fixed, a crane is used to put the bucket into the incomplete ring plate, a positioning ear clamping mechanism is used to clamp the positioning ears, a clamping mechanism is used to clamp one end of the bucket, and a side plate clamping mechanism is used to clamp the side plates of the bucket. The rotating table can make the clamped bucket perform axial rotation in the vertical direction, and the driving assembly makes the incomplete ring plate perform axial rotation in the horizontal direction, that is, the bucket performs axial rotation in the horizontal direction. It can be seen that all parts of the bucket are clamped and fixed, which is convenient for external and internal welding of the bucket. At the same time, the entire device can flip the bucket, which is convenient for cooperation with a mechanical arm equipped with a welding machine.

[0017] Second, in the present invention, the side plate clamping mechanism, the positioning ear clamping mechanism and the clamping mechanism are simple in structure, and the clamping process is simple and quick. At the same time, the positioning ear clamping mechanism does not need to cover the weld between the positioning ear and the bucket body, which is convenient for welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the bucket structure of the prior art;

[0020] Figure 2 It is a schematic diagram of the overall first-view structure of the present invention;

[0021] Figure 3 It is a schematic diagram of the overall second viewing angle structure of the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the clamping bucket of the present invention;

[0023] Figure 5 It is a schematic diagram of the structure of the side plate clamping mechanism of the present invention;

[0024] Figure 6 It is a schematic diagram of the top view of the side plate clamping mechanism of the present invention;

[0025] Figure 7 It is a schematic diagram of the incomplete ring plate and the support frame structure of the present invention;

[0026] Figure 8 It is a schematic diagram of the three-dimensional structure of the support frame of the present invention;

[0027] Fig. 9 It is a schematic diagram of the cross-sectional structure of the support frame of the present invention;

[0028] Fig.10 It is a schematic diagram of the three-dimensional structure of the incomplete ring plate of the present invention;

[0029] Fig.11 It is a schematic diagram of the three-dimensional structure of the clamping mechanism of the present invention;

[0030] Fig.12 It is a schematic diagram of the three-dimensional structure of the positioning ear clamping mechanism of the present invention.

[0031] Reference numerals:

[0032] 1. Support platform; 2. Rotating platform; 3. Turntable; 4. Fixed plate; 5. First reduction motor; 6. Double threaded rod; 7. Guide rod; 8. Moving plate; 9. Vertical plate; 10. Spline shaft; 11. Spline sleeve; 12. Side plate clamping mechanism; 13. Synchronous belt; 14. First synchronous wheel; 15. Second synchronous wheel; 16. Support frame; 17. Incomplete ring plate; 18. First clamping plate; 19. Second clamping plate; 20. Moving block; 21. Guide plate; 22. Connecting plate; 23. Driven plate; 24. Double-section telescopic column; 25. Return spring; 26. Rectangular frame; 27. Incomplete gear ring ; 28. Positioning ear clamping mechanism; 29. ​​Clamping mechanism; 30. Support plate; 31. Incomplete ring; 32. Limiting wheel; 33. Contact plate; 34. Bevel gear ring; 35. Main bevel gear; 36. Transmission rod; 37. Worm; 38. Fixed block; 39. Worm wheel; 40. Reference plate; 41. Double threaded column; 42. Guide column; 43. Third clamping plate; 44. Contact column; 45. Rotating rod; 46. Support block; 47. Connecting rod; 48. Second reduction motor; 49. Synchronous rod; 50. Power gear; 51. Spring rod; 52. Connecting rod; 53. Transmission wheel; 54. Transmission belt. DETAILED DESCRIPTION

[0033] The present invention is described in detail below, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The present invention provides a special turning device for welding a scraper bucket through improvement. The technical solution of the present invention is:

[0035] like Figures 1 to 12 As shown, an embodiment of the present invention provides a special flipping device for welding a shovel loader bucket, comprising a support table 1, a rotating platform 2 is installed on the table top of the support table 1, a rotating table 3 is installed on the rotating end of the rotating platform 2, two support frames 16 are arranged at the middle position of the top of the rotating table 3, incomplete ring plates 17 are arranged at the top position of the two support frames 16, and a driving component for rotating the two incomplete ring plates 17 is arranged in the two support frames 16, a positioning ear clamping mechanism 28 is arranged at one end of the ring of the two incomplete ring plates 17, and a clamping mechanism 29 is arranged at the other end of the two incomplete ring plates 17, side plate clamping mechanisms 12 are arranged at both ends of the rotating table 3, and a centering mechanism for centering the two side plate clamping mechanisms is arranged on the table top of the rotating table 3.

[0036] In the technical solution of the present invention, the side plates and positioning ears of the bucket are first spot-welded and pre-fixed, and the bucket is placed into the incomplete ring plate 17 using a crane, the positioning ears are clamped using the positioning ear clamping mechanism 28, one end of the bucket is clamped using the clamping mechanism 29, and the side plates of the bucket are clamped using the side plate clamping mechanism 12. The rotating table 3 can make the clamped bucket perform axial rotation in the vertical direction, and the driving assembly makes the incomplete ring plate 17 perform axial rotation in the horizontal direction, that is, the bucket performs axial rotation in the horizontal direction. It can be seen that all parts of the bucket are clamped and fixed, which is convenient for external and internal welding of the bucket. At the same time, the entire device can flip the bucket, which is convenient for cooperation with a mechanical arm equipped with a welding machine.

[0037] Specifically, the two annular surfaces of the incomplete ring plate 17 are fixed with an incomplete circular ring 31 coaxially arranged therewith, and two sets of limiting wheels 32 are fixed on both sides of the two support frames 16, and the two sets of limiting wheels 32 on each side are respectively placed at the upper and lower sides of the incomplete circular ring 31 on the same side.

[0038] In the present invention, combined with the Fig. 9 The limiting wheel 32 is provided to limit the movement of the incomplete ring 31 in the support frame 16 , that is, the incomplete ring 31 can only perform axial rotation in the support frame 16 .

[0039] Specifically, the driving assembly includes a second reduction motor 48, two incomplete gear rings 27 coaxially arranged therewith are fixed on the outer side of the incomplete ring plate 17, a plurality of synchronization rods 49 are rotatably installed inside the support frame 16, a plurality of power gears 50 are fixed on both sides of the synchronization rods 49, the power gears 50 in the two support frames 16 are respectively meshed with the incomplete gear rings 27 on the two incomplete ring plates 17, each two diametrically opposed synchronization rods 49 in the two support frames 16 are commonly fixed with a connecting shaft, the second reduction motor 48 is fixed on one of the support frames 16, and the output shaft of the second reduction motor 48 is coaxially fixed with one of the synchronization rods 49, a transmission wheel 53 is fixed at one end of each synchronization rod 49 on one of the support frames 16, and each two adjacent transmission wheels 53 are commonly sleeved with a transmission belt 54.

[0040] In the present invention, combined with the Figure 7-10 The second reduction motor 48 rotates the synchronization rod 49 fixed thereto through the output shaft, and the aligned synchronization rods 49 rotate synchronously through the connecting shaft. Every two adjacent synchronization rods 49 rotate synchronously through the transmission belt 54, and the power gear 50 on the synchronization rod 49 rotates with the synchronization rod 49. The power gear 50 rotates the incomplete ring plate 17 through the incomplete gear ring 27 meshing with it, that is, the two incomplete ring plates 17 rotate synchronously.

[0041] Specifically, the centering mechanism includes a first reduction motor 5, a double-threaded rod 6 and two movable plates 8. Fixed plates 4 are fixed at both ends of the table surface of the rotating table 3. The two ends of the double-threaded rod 6 are respectively rotatably installed on the two fixed plates 4. The first reduction motor 5 is fixed to one of the fixed plates 4. The output shaft of the first reduction motor 5 is coaxially fixed with the double-threaded rod 6. The two movable plates 8 are respectively mounted on the two ends of the double-threaded rod 6 through threaded sleeves. A group of guide rods 7 are fixed to the outer sides of the two fixed plates 4. The two movable plates 8 are respectively slidably mounted on the two groups of guide rods 7. The setting of the guide rods 7 enables the movable plates 8 to only move in a straight line.

[0042] In the present invention, combined with the Figure 2-Figure 4 The first reduction motor 5 rotates the double-threaded rod 6 through the output shaft, and the two ends of the double-threaded rod 6 respectively cause the two moving plates 8 to move in a centering manner through threads.

[0043] Specifically, vertical plates 9 are fixed at both ends of the table surface of the rotating table 3, and a circular hole is opened at the top position of each vertical plate 9. A spline sleeve 11 is rotatably installed inside each circular hole, and each spline sleeve 11 is slidably sleeved with a spline shaft 10. One ends of the two spline shafts 10 are respectively fixed on the two moving plates 8, and the two side plate clamping mechanisms 12 are respectively arranged on the other ends of the spline shafts 10;

[0044] In the present invention, combined with the Figure 2-Figure 6The spline sleeve 11 and the spline shaft 10 are arranged to make the movement of the side plate clamping mechanism 12 more stable.

[0045] Specifically, a connecting rod 52 is rotatably mounted on one side of the vertical plate 9, one end of the connecting rod 52 is coaxially fixed to one of the synchronous rods 49, a second synchronous wheel 15 coaxially arranged therewith is fixed to the outer side of the connecting rod 52, a first synchronous wheel 14 coaxially arranged therewith is fixed to the outer side of the spline sleeve 11, and the first synchronous wheel 14 and the second synchronous wheel 15 are jointly sleeved with a synchronous belt 13;

[0046] In the present invention, combined with the Figure 2-Figure 6 The synchronization rod 49 drives the second synchronization wheel 15 to rotate through the connecting rod 52, and the first synchronization wheel 14 and the second synchronization wheel 15 rotate synchronously through the synchronization belt 13. The first synchronization wheel 14 rotates the spline sleeve 11, that is, the incomplete ring plate 17 rotates synchronously with the spline sleeve 11.

[0047] Specifically, the two side plate clamping mechanisms 12 each include a rectangular frame 26, a return spring 25, a double-section telescopic column 24, a driven plate 23, a first clamping plate 18, a second clamping plate 19, two connecting plates 22, two guide plates 21 and two moving blocks 20, one end of the two rectangular frames 26 are respectively fixed to the two spline shafts 10, one end of the double-section telescopic column 24 is fixed in the rectangular frame 26, the other end of the double-section telescopic column 24 passes through the rectangular frame 26, one end of the two guide plates 21 are fixed on the rectangular frame 26, the two moving blocks 20 are respectively slidably mounted on the two guide plates 21, the two moving blocks 20 are respectively fixed to the first clamping plate 18 and the second clamping plate 19, the driven plate 23 is sleeved and fixed on one end of the double-section telescopic cylinder, one end of the two connecting plates 22 are respectively rotatably mounted on the two ends of the driven plate 23, the other ends of the two connecting plates 22 are respectively rotatably mounted on the two moving blocks 20, and the return spring 25 is sleeved on the double-section telescopic cylinder;

[0048] In the present invention, combined with the Figure 2-Figure 6 When the side plate clamping mechanism 12 contacts the bucket, the double-section telescopic cylinder is compressed, the return spring 25 is compressed, the driven plate 23 moves backward, and the driven plate 23 brings the two moving blocks 20 closer to each other through the two connecting plates 22, that is, the first clamping plate 18 and the second clamping plate 19 approach each other until the first clamping plate 18 and the second clamping plate 19 clamp the side plate of the bucket.

[0049] Specifically, the positioning ear clamping mechanism 28 includes two reference plates 40, two third clamping plates 43, a threaded column and a plurality of guide columns 42. The reference plates 40 are fixed to the incomplete ring plate 17, and the two ends of each guide column 42 are respectively fixed to the two reference plates 40. The two third clamping plates 43 are slidably mounted on the plurality of guide columns 42. The outer sides of the two reference plates 40 are provided with rotation holes, and the two ends of the threaded column are respectively rotatably installed in the two rotation holes. The two third clamping plates 43 are respectively threadedly mounted on the double threaded column 41, and the outer side of one of the third clamping plates 43 is provided with There are multiple internal support mechanisms, which include a spring rod 51 and multiple support blocks 46. One end of the spring rod 51 is fixed on one of the third clamping plates 43. Multiple groups of rotating rods 45 are rotatably mounted on the outer side of the spring rod 51. Each group of rotating rods 45 forms a one-to-one rotational fit with each support block 46. Multiple connecting rods 47 are rotatably mounted on the outer side of the other end of the spring rod 51. Each connecting rod 47 forms a one-to-one rotational fit with a rotating rod 45 in each group of rotating rods 45. Another third clamping plate 43 is fixed with multiple contact columns 44 that are respectively aligned with each spring rod 51.

[0050] In the present invention, combined with the Fig.12 , rotate the threaded column, the threaded column brings the two third clamping plates 43 closer to each other, the internal support mechanism on the third clamping plates 43 enters the mounting hole of the positioning ear, and the contact column 44 on one of the third clamping plates 43 squeezes the spring rod 51, the spring rod 51 is compressed, and the spring rod 51 pushes each support block 46 outward through each connecting rod 47 until the support block 46 contacts the inner wall of the installation, completing the internal support clamping.

[0051] Specifically, the clamping mechanism 29 includes a cylindrical block, a support plate 30, a contact plate 33, a bevel gear ring 34, a main bevel gear 35, a transmission rod 36, a worm 37, a worm wheel 39 and two fixed blocks 38. A notch is provided at one end of the incomplete ring plate 17. Both ends of the cylindrical block are rotatably mounted in the notch. One end of the contact plate 33 is fixed on the cylindrical block. One end of the transmission rod 36 is rotatably mounted in the notch. The main bevel gear 35 is coaxially fixed with the transmission rod 36. The cylindrical block is coaxially fixed with the bevel gear ring 34. The main bevel gear 35 is meshed with the bevel gear ring 34. The worm wheel 39 is coaxially fixed with the transmission rod 36. The two fixed blocks 38 are both fixed in the notch. Both ends of the worm 37 are rotatably mounted on the two fixed blocks 38 respectively. The worm 37 is meshed with the worm wheel 39. One end of the support plate 30 is fixed in the incomplete ring plate 17.

[0052] In the present invention, combined with the Fig.11 , rotate the worm 37, the worm 37 rotates the transmission rod 36 through the worm wheel 39 meshing with it, the rotating rod 45 drives the bevel gear ring 34 to rotate through the main bevel gear 35, the bevel gear ring 34 rotates the cylindrical block, and the contact plate 33 on the cylindrical block rotates accordingly.

[0053] Working principle: first spot weld the side plate and positioning ears of the bucket, pre-fix them, use a crane to put the bucket into the incomplete ring plate 17, the bucket contacts the support plate 30, put the positioning ears on the bucket into the positioning ear clamping mechanism 28, rotate the threaded column, the threaded column makes the two third clamping plates 43 approach each other, the inner support mechanism on the third clamping plate 43 enters the mounting hole of the positioning ear, and the contact column 44 on one of the third clamping plates 43 squeezes the spring rod 51, the spring rod 51 is compressed, and the spring rod 51 makes each support block 46 open outward through each connecting rod 47 until the support block 46 is in contact with the mounting hole. The inner wall of the device is contacted to complete the inner support clamping; the worm 37 is rotated, and the worm 37 rotates the transmission rod 36 through the worm wheel 39 meshing with it, and the rotating rod 45 rotates the bevel gear ring 34 through the main bevel gear 35, and the bevel gear ring 34 rotates the cylindrical block, and the contact plate 33 on the cylindrical block rotates accordingly, and the contact plate 33 cooperates with the support plate 30 to press the bucket, and the first reduction motor 5 rotates the double-threaded rod 6 through the output shaft, and the two ends of the double-threaded rod 6 respectively use threads to make the two moving plates 8 move in the center, and the spline shaft 10 on the moving plate 8 moves along the spline sleeve 11, and the side When the plate clamping mechanism 12 approaches the bucket and the side plate clamping mechanism 12 contacts the bucket, the double-section telescopic cylinder is compressed, the return spring 25 is compressed, the driven plate 23 moves backward, and the driven plate 23 brings the two moving blocks 20 closer to each other through the two connecting plates 22, that is, the first clamping plate 18 and the second clamping plate 19 approach each other until the first clamping plate 18 and the second clamping plate 19 clamp the side plate of the bucket; the rotating table can make the clamped bucket axially rotate in the vertical direction, and the second reduction motor 48 rotates the synchronous rod 49 fixed thereto through the output shaft, and the positively aligned synchronous rod 49 rotates synchronously through the connecting shaft. The power gear 50 on the synchronization rod 49 rotates along with the synchronization rod 49. The power gear 50 rotates the incomplete ring plate 17 through the incomplete gear ring 27 meshing therewith, that is, the two incomplete ring plates 17 rotate synchronously. The synchronization rod 49 drives the second synchronization wheel 15 to rotate through the connecting rod 52. The first synchronization wheel 14 and the second synchronization wheel 15 rotate synchronously through the synchronization belt 13. The first synchronization wheel 14 rotates the spline sleeve 11, that is, the incomplete ring plate 17 rotates synchronously with the spline sleeve 11.

[0054] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A special turning device for welding a scraper bucket, comprising a support platform (1), characterized in that: The table top of the support platform (1) is provided with a rotating platform (2), the rotating end of the rotating platform (2) is provided with a rotating table (3), two support frames (16) are provided at the middle position of the top of the rotating table (3), the top positions of the two support frames (16) are provided with incomplete ring plates (17), and a driving component for rotating the two incomplete ring plates (17) is provided in the two support frames (16), one end of the inner ring of the two incomplete ring plates (17) is provided with a positioning ear clamping mechanism (28), and the other end of the two incomplete ring plates (17) is provided with a clamping mechanism (29), both ends of the rotating table (3) are provided with side plate clamping mechanisms (12), and the table top of the rotating table (3) is provided with a centering mechanism for centering the two side plate clamping mechanisms (12); The driving assembly comprises a second reduction motor (48), two incomplete gear rings (27) coaxially arranged therewith are fixed on the outer side of the incomplete ring plate (17), a plurality of synchronization rods (49) are rotatably mounted inside the support frame (16), a plurality of power gears (50) are fixed on both sides of the synchronization rods (49), the power gears (50) in the two support frames (16) are respectively meshed with the incomplete gear rings (27) on the two incomplete ring plates (17), each of the two opposite synchronization rods (49) in the two support frames (16) is commonly fixed with a connecting shaft, the second reduction motor (48) is fixed on one of the support frames (16), and the output shaft of the second reduction motor (48) is coaxially fixed with one of the synchronization rods (49), a transmission wheel (53) is fixed on one end of each synchronization rod (49) on one of the support frames (16), and each two adjacent transmission wheels (53) are commonly sleeved with a transmission belt (54); The centering mechanism comprises a first reduction motor (5), a double-threaded rod (6) and two movable plates (8); fixed plates (4) are fixed at both ends of the table surface of the rotating table (3); the two ends of the double-threaded rod (6) are rotatably mounted on the two fixed plates (4); the first reduction motor (5) is fixed to one of the fixed plates (4); the output shaft of the first reduction motor (5) is coaxially fixed to the double-threaded rod (6); the two movable plates (8) are respectively sleeved on the two ends of the double-threaded rod (6) by threads; a group of guide rods (7) are fixed on the outer sides of the two fixed plates (4); and the two movable plates (8) are respectively slidably sleeved on the two groups of guide rods (7); Both ends of the table top of the rotating table (3) are fixed with vertical plates (9), a circular hole is opened at the top of each vertical plate (9), a spline sleeve (11) is rotatably mounted inside each circular hole, each spline sleeve (11) is slidably sleeved with a spline shaft (10), one end of the two spline shafts (10) are respectively fixed to the two movable plates (8), and the two side plate clamping mechanisms (12) are respectively arranged on the other end of the spline shaft (10); A connecting rod (52) is rotatably mounted on one side of the vertical plate (9), one end of the connecting rod (52) is coaxially fixed to one of the synchronous rods (49), a second synchronous wheel (15) coaxially arranged therewith is fixed to the outer side of the connecting rod (52), a first synchronous wheel (14) coaxially arranged therewith is fixed to the outer side of the spline sleeve (11), and the first synchronous wheel (14) and the second synchronous wheel (15) are jointly sleeved with a synchronous belt (13).

2. The special turning device for welding a scraper bucket according to claim 1 is characterized in that: The two annular surfaces of the incomplete annular plate (17) are fixed with an incomplete circular ring (31) coaxially arranged therewith, and two sets of limiting wheels (32) are fixed at both sides of the two support frames (16), and the two sets of limiting wheels (32) on each side are respectively placed at the upper and lower sides of the incomplete circular ring (31) on the same side.

3. The special turning device for welding a scraper bucket according to claim 1 is characterized in that: The two side plate clamping mechanisms (12) each comprise a rectangular frame (26), a return spring (25), a double-section telescopic column (24), a driven plate (23), a first clamping plate (18), a second clamping plate (19), two connecting plates (22), two guide plates (21) and two moving blocks (20), one end of the two rectangular frames (26) being respectively fixed to two spline shafts (10), one end of the double-section telescopic column (24) being fixed in the rectangular frame (26), the other end of the double-section telescopic column (24) passing through the rectangular frame (26), and the two guide plates (2 1) are fixed on a rectangular frame (26), the two moving blocks (20) are respectively slidably mounted on the two guide plates (21), the two moving blocks (20) are respectively fixed to the first clamping plate (18) and the second clamping plate (19), the driven plate (23) is mounted and fixed on one end of the double-section telescopic cylinder, one end of the two connecting plates (22) are respectively rotatably mounted on the two ends of the driven plate (23), the other ends of the two connecting plates (22) are respectively rotatably mounted on the two moving blocks (20), and the return spring (25) is mounted on the double-section telescopic cylinder.

4. The special turning device for welding a scraper bucket according to claim 3 is characterized in that: The positioning ear clamping mechanism (28) comprises two reference plates (40), two third clamping plates (43), a threaded column and a plurality of guide columns (42). The two reference plates (40) are fixed to the incomplete ring plate (17), and the two ends of each guide column (42) are respectively fixed to the two reference plates (40). The two third clamping plates (43) are slidably mounted on the plurality of guide columns (42). The outer sides of the two reference plates (40) are provided with rotation holes, and the two ends of the threaded column are respectively rotatably mounted in the two rotation holes. The two third clamping plates (43) are respectively threadedly mounted on the double threaded column (41), and the outer side of one of the third clamping plates (43) is provided with a A plurality of internal support mechanisms, the internal support mechanisms comprising a spring rod (51) and a plurality of support blocks (46), one end of the spring rod (51) being fixed on one of the third clamping plates (43), a plurality of groups of rotating rods (45) being rotatably mounted on the outer side of the spring rod (51), each group of the rotating rods (45) being in one-to-one rotational fit with each support block (46), a plurality of connecting rods (47) being rotatably mounted on the outer side of the other end of the spring rod (51), each of the connecting rods (47) being in one-to-one rotational fit with a rotating rod (45) in each group of rotating rods (45), and a plurality of contact columns (44) being fixed on another of the third clamping plates (43) and being respectively aligned with each of the spring rods (51).

5. The special turning device for welding a scraper bucket according to claim 4 is characterized in that: The clamping mechanism (29) comprises a cylindrical block, a support plate (30), a contact plate (33), a bevel gear ring (34), a main bevel gear (35), a transmission rod (36), a worm (37), a worm wheel (39) and two fixed blocks (38), one end of the incomplete ring plate (17) is provided with a notch, both ends of the cylindrical block are rotatably mounted in the notch, one end of the contact plate (33) is fixed to the cylindrical block, one end of the transmission rod (36) is rotatably mounted in the notch, and the main bevel gear ( The main bevel gear (35) is coaxially fixed to the transmission rod (36), the cylindrical block is coaxially fixed to the bevel gear ring (34), the main bevel gear (35) is meshed with the bevel gear ring (34), the worm wheel (39) is coaxially fixed to the transmission rod (36), the two fixed blocks (38) are fixed in the notch, the two ends of the worm (37) are rotatably mounted on the two fixed blocks (38), the worm (37) is meshed with the worm wheel (39), and one end of the support plate (30) is fixed in the incomplete ring plate (17).

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