A turning device for a motor shaft

Abstract

The application relates to the technical field of motor production and processing, and provides a turning device for motor shafts, which comprises a workbench and a tool rest installed at the top of the workbench; a base is installed at the top of the workbench, one side of the top of the base is provided with a centering structure, and one side of the centering structure is provided with a clamping mechanism; one side of the top of the workbench is fixedly provided with a rack, the top of the rack is provided with a material conveying mechanism, and the bottom of the workbench is provided with a collecting cavity. The material conveying mechanism is arranged, the top of the rack is provided with a conveying wheel, the conveying wheel can be automatically turned by 90 degrees after material replacement is completed, the automatic conveying of single motor shafts is realized, manual intervention is avoided, the material replacement time is shortened, the material conveying mechanism, the centering structure and the clamping mechanism are cooperatively matched, the complete process integration of automatic feeding, accurate centering, stable clamping, turning and automatic discharging of the motor shafts is realized, and the machining precision, the production efficiency and the stability of the motor shaft turning are remarkably improved.

Description

Technical Field

[0001] This invention relates to the field of motor manufacturing and processing technology, and in particular to a turning apparatus for motor shafts. Background Technology

[0002] Motor shafts are key transmission components of motor systems. During their production and processing, they require specialized turning equipment. Machine tools used for the precision machining of motor shafts achieve high-precision and high-efficiency turning of motor shaft parts through the coordinated motion of workpiece rotation and tool movement, combined with high-rigidity structures, precision feed systems, and intelligent control technology. This belongs to the intelligent manufacturing equipment industry.

[0003] To this end, patent CN118321582B discloses a turning device for machining motor shafts, relating to the field of motor manufacturing and processing. It includes a base and a side wall support mechanism, a turning mechanism, and a turning moving mechanism disposed on the base. The turning moving mechanism is disposed on the upper surface of the base, and the turning mechanism is disposed on the turning moving mechanism. The turning moving mechanism is used to drive the turning mechanism to move linearly for cutting. The turning device for machining motor shafts of the present invention supports the other side of the motor shaft by adding a side wall support mechanism on the opposite side of the cutting head, thereby offsetting the lateral force on the cutting head and preventing the motor shaft from being squeezed and bent during the turning process. This ensures that the feed rate of the motor shaft is always balanced during the turning process. Furthermore, the side wall support mechanism supports and fixes the motor shaft during the turning process, reducing the turning vibration between the cutting head and the motor shaft, and making the turning of the motor shaft smoother.

[0004] The aforementioned turning device supports and fixes the motor shaft during the turning process through the side wall support mechanism, reducing vibration and making the turning of the motor shaft smoother. However, manual loading and unloading are required when machining the motor shaft. Manual operation requires completing steps such as picking up the part, placing it, and adjusting it. Each step takes time and is easily affected by the operator's skill level, which leads to a longer processing cycle for a single part. Furthermore, if the motor shaft is fixed directly with a fixture after being placed, and there are form and position errors or clamping position deviations in the shaft, the fixture may not be able to apply force evenly, causing the shaft to shift slightly or vibrate during the machining process, affecting dimensional accuracy and form and position tolerances. Summary of the Invention

[0005] The purpose of this invention is to provide a turning device for motor shafts to solve the problem of insufficient machining accuracy in existing turning devices for motor shafts.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a turning device for a motor shaft, comprising a worktable and a tool holder mounted on its top; a base is mounted on the top of the worktable, and a centering structure is provided on one side of the top of the base, and a clamping mechanism is mounted on one side of the centering structure; a frame is fixed on one side of the top of the worktable, and a material conveying mechanism is mounted on the top of the frame, and a collecting cavity is mounted on the bottom of the worktable; the centering structure includes a housing fixed to the top of the base, and a top plate is provided inside the housing, centering rods are mounted on both sides of the top plate, a connecting shaft is mounted at the bottom end of the base at the bottom of the top plate, and a transmission gear is provided on the outside of the connecting shaft, and a brake ratchet is fixed at one end of the connecting shaft.

[0007] Preferably, a guide rail plate is installed at the top of the worktable at the bottom of the housing, and an inclined guide rail is provided at the top of the guide rail plate. A second straight guide rail is provided at the bottom of the inclined guide rail, and a baffle is hinged at the intersection of the second straight guide rail and the inclined guide rail.

[0008] Preferably, the top of each centering rod is fixed with a first chamber, and a side centering wheel is provided on the opposite side of each first chamber. An air pipe is connected to one side of each first chamber, and a roller is installed at the bottom of each centering rod.

[0009] Preferably, one end of the transmission gear is fixed with a movable gear, and the other end of the transmission gear is equipped with a second chamber. Both the second chamber and the first chamber are equipped with pistons. One side of the transmission gear and the side centering wheel are connected to the pistons via a piston rod. One end of the second chamber is connected to an air pipe, and the transmission gear is equipped with a slider groove.

[0010] Preferably, both ends of the connecting shaft are provided with movable grooves, and the movable grooves form a sliding structure with the slider groove and the movable gear respectively. One end of the connecting shaft is equipped with a linkage gear, and one end of the movable gear is fitted with a first spring on the connecting shaft. One end of the guide plate at the bottom of the linkage gear is provided with a second rack, and the top of the worktable at the bottom of the transmission gear is provided with a first rack, which is located below the material conveying mechanism.

[0011] Preferably, a first straight guide rail is symmetrically arranged at one end of the first rack, and an arc-shaped guide rail is arranged in the middle of the first straight guide rail. A first guide shaft is fixed at the bottom of the base corresponding to the arc-shaped guide rail, and a second guide shaft is fixed at the bottom of the base on one side of the first guide shaft. An elastic plate is installed on one side of the braking ratchet, and a pawl is hinged to the bottom of the elastic plate. A third guide shaft is fixed at one end of the pawl, and a sliding structure is formed between the third guide shaft and the second straight guide rail and the inclined guide rail.

[0012] Preferably, a lower centering wheel is installed on the top of the top plate, inclined blocks are provided on both sides of the top plate, a fixed tooth is provided at the bottom of the top plate, and a movable tooth is installed on the top of the fixed tooth. Guide posts are provided on both sides of the movable tooth, and a sliding structure is formed between the movable tooth and the guide posts. A second spring is sleeved on the outside of each guide post, and the fixed tooth and the movable tooth mesh with each other.

[0013] Preferably, the material conveying mechanism includes a conveyor frame fixed to one end of the frame, and a conveyor wheel is installed on the top of the frame at one end of the conveyor frame. Support plates are provided at both ends of the bottom of the conveyor frame, and a gear set is installed on one side of the conveyor frame.

[0014] Preferably, the conveying wheel has a movable shaft running through it, and a first gear is installed at one end of the movable shaft. The conveying wheel has grooves evenly spaced on its exterior. A third rack is fixed on one side of each support plate, and a second gear is installed in the middle of the third rack. A fourth rack is connected to one side of the third rack, and the fourth rack meshes with the gear set.

[0015] Preferably, the clamping mechanism includes a bracket fixed to the top of the base, and the top of the bracket is provided with a housing. The housing and the bracket are rotatably connected, and clamping blocks are symmetrically and equally spaced inside the housing.

[0016] Compared with the prior art, the beneficial effects of the present invention are: the turning device for the motor shaft, through the coordinated cooperation of the feeding mechanism, the centering structure and the clamping mechanism, realizes the complete process of automatic feeding, precise centering, stable clamping, turning and automatic unloading of the motor shaft, which significantly improves the machining accuracy, production efficiency and stability of the motor shaft turning.

[0017] 1. Equipped with a material conveying mechanism, the top of the frame is equipped with conveyor wheels, which can automatically rotate 90° after material change, realizing automatic conveying of a single motor shaft, avoiding manual intervention, and shortening material change time;

[0018] Furthermore, it integrates functions such as feeding, centering, clamping, turning, and unloading into one compact structure, reducing the equipment's footprint. After processing, the new material automatically pushes the finished product into the collection chamber, achieving seamless assembly line operation, which is suitable for mass production.

[0019] Furthermore, it can adapt to the processing of motor shafts of different specifications. The cutting length can be controlled by adjusting the timing of the cylinder and slide. The collection chamber is designed to be pull-out, which facilitates the handling and cleaning of finished products and makes maintenance convenient.

[0020] 2. By setting a centering structure, the outer side of each side centering wheel is provided with a first chamber, which is connected to the second chamber on one side of the transmission gear. Through pneumatic and gear transmission and guide rail cooperation, automatic centering and clamping are achieved, avoiding shaft offset or vibration caused by clamping deviation.

[0021] Furthermore, the combined action of double-sided centering wheels and top plate is adopted to adapt to motor shafts of different diameters, ensuring that the axis centerline is consistent with the tool center, thereby improving the dimensional accuracy and geometric tolerances of turning.

[0022] Furthermore, the transmission gear and air circuit linkage design can automatically adjust the clamping force and lock the position according to the shaft diameter during the clamping process, avoiding excessive tightness or looseness;

[0023] Furthermore, the brake ratchet and spring structure provide a reverse locking function to prevent rotation, enhance system rigidity, and reduce cutting vibration. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the left-side three-dimensional structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the right-side three-dimensional structure of the present invention;

[0026] Figure 3 This is a three-dimensional structural diagram of the present invention viewed from below;

[0027] Figure 4 This is a top-view three-dimensional structural diagram of the base of the present invention;

[0028] Figure 5 This is a three-dimensional structural diagram of the base of the present invention viewed from below;

[0029] Figure 6 This is a top-view three-dimensional structural diagram of the housing of the present invention;

[0030] Figure 7 This is a three-dimensional structural diagram of the housing of the present invention viewed from below;

[0031] Figure 8 This is a schematic diagram of the internal three-dimensional structure of the housing of the present invention;

[0032] Figure 9 This is a three-dimensional structural diagram of the guide rail plate of the present invention;

[0033] Figure 10 for Figure 8 A magnified three-dimensional structural diagram of a portion of point A in the middle;

[0034] Figure 11 This is a three-dimensional structural diagram of the first chamber in a semi-sectional state according to the present invention;

[0035] Figure 12This is a three-dimensional structural diagram of the connecting shaft of the present invention;

[0036] Figure 13 This is a rear-view three-dimensional structural diagram of the transmission gear in the disassembled state of the present invention;

[0037] Figure 14 This is a frontal three-dimensional structural diagram of the transmission gear of the present invention in its disassembled state;

[0038] Figure 15 This is a three-dimensional structural diagram of the transmission gear in a semi-sectional state according to the present invention;

[0039] Figure 16 This is a left-side three-dimensional structural schematic diagram of the conveyor frame of the present invention;

[0040] Figure 17 This is a three-dimensional structural diagram of the conveyor frame of the present invention, viewed from the right.

[0041] Figure 18 This is a three-dimensional structural diagram of the conveyor frame of the present invention, viewed from below.

[0042] Figure 19 This is a schematic diagram of the three-dimensional structure of the outer shell of the present invention in a semi-sectional state;

[0043] Figure 20 This is a three-dimensional structural diagram of the first rack of the present invention.

[0044] The following are the annotations in the diagram: 1. Workbench; 2. Tool holder; 3. Centering structure; 31. Housing; 32. First rack; 321. First guide shaft; 322. Second guide shaft; 323. First straight guide rail; 324. Arc-shaped guide rail; 33. Centering rod; 331. Side centering wheel; 332. First chamber; 333. Air pipe; 34. Guide rail plate; 341. Second straight guide rail; 342. Inclined guide rail; 343. Baffle plate; 35. Transmission gear; 351. Second chamber; 352. Movable gear; 353. Slider groove; 36. Connecting shaft; 361. First spring; 362. Linkage gear; 363. Movable groove; 37. Braking ratchet. 371. Teeth; 372. Elastic sheet; 373. Third guide shaft; 374. Pawl; 38. Top plate; 381. Lower centering wheel; 382. Inclined block; 383. Fixed tooth; 384. Movable tooth; 385. Guide column; 386. Second spring; 39. Second rack; 4. Base; 5. Conveying mechanism; 51. Conveying frame; 52. Conveying wheel; 521. First gear; 522. Movable shaft; 523. Groove; 53. Support plate; 531. Third rack; 532. Second gear; 533. Fourth rack; 54. Gear set; 6. Frame; 7. Clamping mechanism; 71. Bracket; 72. Outer shell; 73. Clamping block; 8. Collection chamber. Detailed Implementation

[0045] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0046] Please see Figures 1-20 The present invention provides a turning apparatus for a motor shaft, comprising a worktable 1 and a tool holder 2 mounted on its top; a base 4 is mounted on the top of the worktable 1, and a centering structure 3 is provided on one side of the top of the base 4, and a clamping mechanism 7 is mounted on one side of the centering structure 3; a frame 6 is fixed to one side of the top of the worktable 1, and a material conveying mechanism 5 is mounted on the top of the frame 6; the material conveying mechanism 5 includes a conveyor frame 51 fixed to one end of the frame 6, and a conveyor wheel 52 is mounted on the top of the frame 6 at one end of the conveyor frame 51, and a bottom of the conveyor frame 51... Both ends are provided with support plates 53. A gear set 54 is installed on one side of the conveyor frame 51. A movable shaft 522 runs through the inside of the conveyor wheel 52, and a first gear 521 is installed at one end of the movable shaft 522. Grooves 523 are provided at equal intervals on the outside of the conveyor wheel 52. A third rack 531 is fixed on one side of each support plate 53, and a second gear 532 is provided in the middle of the third rack 531. A fourth rack 533 is connected to one side of the third rack 531, and the fourth rack 533 meshes with the gear set 54.

[0047] Reference Figure 1 , Figure 16 , Figure 17 and Figure 18As shown, during the turning of the motor shaft, an electric slide rail is installed at the bottom of the base 4. Activating the electric slide rail moves the base 4 closer to the motor shaft on the top of the support plate 53. At this time, both the centering structure 3 and the clamping mechanism 7 are in the unfolded state. When both the centering structure 3 and the clamping mechanism 7 have moved past one end of the motor shaft, a cylinder is installed on the top of the fourth rack 533, and the fourth rack 533 is connected to the third rack 531. Activating the cylinder then moves the fourth rack 533 and the third rack 531 simultaneously. Through the meshing relationship between the second gear 532 and the third rack 531, both sets of support plates 53 simultaneously move to the sides, opening to a state where the clamping mechanism 7 can pass. A ratchet assembly is provided on one side of the first gear 521. With its cooperation, the fourth rack 53... During the displacement process, the gear set 54 drives the conveyor wheel 52 to idle, and the movable shaft 522 is stationary. When the motor shaft of the clamping mechanism 7 moves away from the area of ​​the support plate 53, the starting cylinder drives the third rack 531 and the fourth rack 533 to reset simultaneously. Through the cooperation of the second gear 532, the support plate 53 is merged. At the same time, the fourth rack 533 drives the gear set 54 to rotate. Under the gear ratio difference between the large and small gears in the gear set 54, the first gear 521 rotates 90°, which drives the conveyor wheel 52 to flip over, flipping the motor shaft inside the groove 523 into the conveyor frame 51. The conveyor frame 51 is in an inclined state. When the motor shaft flips into its interior, the motor shaft rolls downward to the baffle position inside the conveyor frame 51, so that the motor shaft is placed in the designated position.

[0048] The centering structure 3 includes a housing 31 fixed to the top of the base 4, with a top plate 38 inside the housing 31. Centering rods 33 are mounted on both sides of the top plate 38. A connecting shaft 36 is mounted at the bottom of the base 4 at the bottom of the top plate 38, and a transmission gear 35 is mounted on the outside of the connecting shaft 36. A brake ratchet 37 is fixed to one end of the connecting shaft 36. A first chamber 332 is fixed to the top of each centering rod 33, and a side centering wheel 331 is mounted on the opposite side of each first chamber 332. An air pipe 333 is connected to one side of each first chamber 332. Rollers are mounted at the bottom of each centering rod 33. A second chamber 351 is mounted to the other end of the transmission gear 35, and pistons are installed inside both the second chamber 351 and the first chamber 332. One side of the transmission gear 35 and the side centering wheel 331 are connected to the pistons via a stopper rod. One end of the second chamber 351 is connected to the air pipe 333. The gear 35 has a slider groove 353 inside, and both ends of the connecting shaft 36 have movable grooves 363. The movable grooves 363 form a sliding structure with the slider groove 353 and the movable gear 352 respectively. The top of the worktable 1 at the bottom of the transmission gear 35 is provided with a first rack 32, and the first rack 32 is located below the material conveying mechanism 5. A first straight guide rail 323 is symmetrically provided at one end of the first rack 32, and an arc-shaped guide rail 324 is provided in the middle of the first straight guide rail 323. A first guide shaft 321 is fixed at the bottom of the base 4 at the corresponding position of the arc-shaped guide rail 324, and a second guide shaft 322 is fixed at the bottom of the base 4 on one side of the first guide shaft 321. A lower centering wheel 381 is installed on the top of the top plate 38, and inclined blocks 382 are provided on both sides of the top plate 38. A fixed tooth 383 is provided at the bottom of the top plate 38, and the fixed tooth 383 meshes with the movable gear 352.

[0049] Reference Figure 5 , Figure 6 , Figure 8 , Figure 11 , Figure 14 , Figure 15 and Figure 20As shown, during the displacement of the base 4, the second guide shaft 322 below the base 4 first passes through the outer first straight guide rail 323, the transmission gear 35 and the first rack 32 pass through each other, and finally the first guide shaft 321 below the base 4 enters the interior of the arc-shaped guide rail 324. The arc design of the arc-shaped guide rail 324 pulls the first rack 32 inward to move to the position corresponding to the transmission gear 35. When the clamping mechanism 7 is displaced to the end of the motor shaft, the electric slide rail is activated to drive the base 4 to move in the opposite direction. The first guide shaft 321 passes through the inner arc-shaped guide rail 324, the transmission gear 35 contacts and meshes with the first rack 32, causing the transmission gear 35 to rotate, causing the connected movable gear 352 to rotate synchronously, driving the meshing fixed tooth 383 to move upward, lifting the top motor shaft. At the same time, the inclined block 382 moves upward, causing the centering rod to move upward. The bottom of the plate 33 flips to both sides, while the side centering wheel 331 at the top clamps inward. Through the design of the inclined block 382 and the centering rod 33, the side centering wheel 331 and the lower centering wheel 381 are squeezed towards the center simultaneously when the top plate 38 moves upward. A piston is provided on one side of each side centering wheel 331. When it is squeezed in contact with the motor shaft, the piston compresses the gas inside the first chamber 332 and passes it through the air pipe 333 to the inside of the second chamber 351. When the gas in both first chambers 332 is compressed into the second chamber 351, the gas pushes the piston inside to one end, causing the transmission gear 35 connected to it to slide to one side along the movable groove 363, disengage from the first rack 32 and stop rotating. The brake ratchet 37 on one side of the connecting shaft 36 can prevent the connecting shaft 36 from reversing, making the structure more stable and suitable for motor shafts of different diameters.

[0050] A linkage gear 362 is installed at one end of the connecting shaft 36. The clamping mechanism 7 includes a bracket 71 fixed to the top of the base 4, and a housing 72 is provided on the top of the bracket 71. The housing 72 and the bracket 71 are rotatably connected. Clamping blocks 73 are symmetrically and equally spaced inside the housing 72.

[0051] Reference Figure 2 , Figure 5 , Figure 14 , Figure 19 and Figure 20As shown, after the motor shaft is centered and clamped, there are two sets of clamping blocks 73, which are connected by a pinion, rack and gear ring. A servo motor is installed on the outer end of the pinion. The servo motor is started to drive the gear and other components, so that the clamping blocks 73 are pressed towards the center at the same time. The two sets of clamping blocks 73 improve the clamping firmness and accuracy, ensuring that the central axis of the motor shaft is consistent. The base 4 drives the motor shaft to continuously move towards the tool holder 2. The second guide shaft 322 enters the outer arc guide rail 324, and then slides into the outer first straight guide rail 323 during continuous displacement, pushing the first rack 32 to slide back to its original position. During continuous movement, the linkage gear 362 contacts and meshes with the second rack 39. However, a ratchet assembly is provided on one side of the linkage gear 362. With the cooperation of the ratchet assembly, the linkage gear 362 rotates freely, and the connecting shaft 36 remains stationary. When the motor shaft moves to the position of the tool holder 2, the motor at the rear end of the tool holder 2 is started to drive it to rotate, and different tools are automatically switched for cutting.

[0052] A guide rail plate 34 is mounted on the top of the workbench 1 at the bottom of the housing 31. An inclined guide rail 342 is provided on the top of the guide rail plate 34, and a second straight guide rail 341 is provided at the bottom of the inclined guide rail 342. A baffle plate 343 is hinged at the intersection of the second straight guide rail 341 and the inclined guide rail 342. A movable gear 352 is fixed to one end of the transmission gear 35. A first spring 361 is sleeved on the connecting shaft 36 at one end of the movable gear 352. A second rack 39 is provided at one end of the guide rail plate 34 at the bottom of the linkage gear 362, and a braking ratchet 37... A spring sheet 371 is installed on one side, and a pawl 373 is hinged to the bottom of the spring sheet 371. A third guide shaft 372 is fixed to one end of the pawl 373. The third guide shaft 372 and the second straight guide rail 341 and the inclined guide rail 342 form a sliding structure. A movable tooth 384 is installed on the top of the fixed tooth 383. Guide posts 385 are provided on both sides of the movable tooth 384. The movable tooth 384 and the guide posts 385 form a sliding structure. A second spring 386 is sleeved on the outside of the guide posts 385.

[0053] Reference Figures 4-14As shown, after the motor shaft completes the turning work, the electric slide rail drives the base 4 to move again towards the position of the feeding mechanism 5 for loading and unloading. During the initial displacement, the third guide shaft 372 slides along the second straight guide rail 341 past the baffle 343. Because the baffle 343 abuts against the bottom, the second straight guide rail 341 enters the inclined guide rail 342. Since the inclined guide rail 342 is arc-shaped, the pawl 373 flips and the brake ratchet 37 disengages. The third guide shaft 372 continues to slide along the inclined guide rail 342, while the linkage gear 362 contacts the second rack 39 and rotates, causing the connecting shaft 36 and the connected movable gear 352 to move in the opposite direction. This causes the fixed tooth 383 and the top plate 38 to move downward, and the bottom of the centering rod 33 loses the inclined block 38. The compression of 2, and the bottom outer side of the centering rod 33 is provided with springs. The springs push the bottom of the centering rod 33 to flip inward, so that the pressure at the side centering wheel 331 disappears. Under the action of the tension of the first spring 361, the transmission gear 35 is pushed to slide and reset, so that the gas in the second chamber 351 is compressed back into the first chamber 332. When the top plate 38 drops to the lowest point, the stroke of the second rack 39 has not yet been completed. The movable gear 352 continues to rotate and squeeze the movable tooth 384, so that the movable tooth 384 slides on the guide post 385. The movable gear 352 has a tooth slip phenomenon until it moves away from the second rack 39. At the same time, the third guide shaft 372 slides out of the inclined guide rail 342, and the elastic plate 371 rebounds and pushes the pawl 373 to engage with the brake ratchet 37 again.

[0054] A collection chamber 8 is installed at the bottom of the workbench 1. A cover plate is provided at the bottom of the collection chamber 8. The cover plate and the collection chamber 8 are connected by a pull-out structure.

[0055] Reference Figure 2 , Figure 3 and Figure 17 As shown, after the centering structure 3 unfolds, the clamping mechanism 7 opens simultaneously, allowing the motor shaft to be placed inside the centering structure 3 and the clamping mechanism 7. Then, the base 4 continues to move. When the processed motor shaft is squeezed against the motor shaft in the preparation area, the motor shaft in the preparation area pushes the processed motor shaft out of the centering structure 3 and the clamping mechanism 7 and rolls into the collection chamber 8. The lower cover plate and the collection chamber 8 have a pull-out structure, which facilitates the handling of the motor shaft. After the motor shaft in the preparation area enters the centering structure 3 and the clamping mechanism 7, the support plate 53 unfolds again. The centering structure 3 and the clamping mechanism 7 continue to move, performing reciprocating loading and unloading and turning in one process, thereby improving production efficiency.

[0056] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A turning device for motor shaft, comprising a workbench (1) and a tool holder (2) mounted on the top of the workbench (1); Characterized in that: The top of the workbench (1) is mounted with a base (4), and one side of the top of the base (4) is provided with a centering structure (3), and one side of the centering structure (3) is mounted with a clamping mechanism (7); One side of the top of the workbench (1) is fixed with a rack (6), and the top of the rack (6) is mounted with a feeding mechanism (5), and the bottom of the workbench (1) is mounted with a collecting cavity (8); The centering structure (3) includes a shell (31) fixed on the top of the base (4), and the inside of the shell (31) is provided with a top plate (38), both sides of the top plate (38) are provided with a centering rod (33), the bottom end of the base (4) at the bottom of the top plate (38) is provided with a connecting shaft (36), the outside of the connecting shaft (36) is provided with a transmission gear (35), one end of the connecting shaft (36) is fixedly provided with a brake ratchet (37), the top end of the workbench (1) at the bottom of the shell (31) is provided with a guide rail plate (34), the top of the guide rail plate (34) is provided with an inclined guide rail (342), the bottom of the inclined guide rail (342) is provided with a second straight guide rail (341), the intersection of the second straight guide rail (341) and the inclined guide rail (342) is hingedly provided with a baffle (343), the top of the centering rod (33) is fixedly provided with a first cavity (332), and the opposite sides of the first cavity (332) are provided with a side centering wheel (331), one side of the first cavity (332) is connected with an air pipe (333), the bottom of the centering rod (33) is provided with a roller, one end of the transmission gear (35) is fixedly provided with a movable gear (352), the other end of the transmission gear (35) is provided with a second cavity (351), the inside of the second cavity (351) and the first cavity (332) is provided with a piston, one side of the transmission gear (35) and the side centering wheel (331) is connected with the piston through a plug rod, one end of the second cavity (351) is connected with the air pipe (333), the inside of the transmission gear (35) is provided with a sliding block groove (353), both ends of the connecting shaft (36) are provided with a movable groove (363), and the movable groove (363) and the sliding block groove (353) and the movable gear (352) form a sliding structure, one end of the connecting shaft (36) is provided with a linkage gear (362), the outside of the connecting shaft (36) is provided with a first spring (361), one end of the movable gear (352) is connected with the connecting shaft (36), the one end of the linkage gear (362) is provided with a second rack (39) on the guide rail plate (34), the top end of the workbench (1) at the bottom of the transmission gear (35) is provided with a first rack (32), and the first rack (32) is located below the material conveying mechanism (5), the top of the top plate (38) is provided with a lower centering wheel (381), both sides of the top plate (38) are provided with an inclined block (382), the bottom of the top plate (38) is provided with a fixed tooth (383), and the top of the fixed tooth (383) is provided with a movable tooth (384), both sides of the movable tooth (384) are provided with a guide column (385), and the movable tooth (384) and the guide column (385) form a sliding structure, the outside of the guide column (385) is sleeved with a second spring (386), and the fixed tooth (383) and the movable gear (352) are engaged.

2. A turning device for a motor shaft according to claim 1, characterized in that: One end of the first rack (32) is provided with a first straight guide rail (323) symmetrically, and the middle of the first straight guide rail (323) is provided with an arc-shaped guide rail (324), the bottom of the base (4) at the corresponding position of the arc-shaped guide rail (324) is fixedly provided with a first guide shaft (321), and the bottom of the base (4) on one side of the first guide shaft (321) is fixedly provided with a second guide shaft (322), one side of the brake ratchet (37) is provided with an elastic sheet (371), the bottom of the elastic sheet (371) is hingedly provided with a ratchet pawl (373), one end of the ratchet pawl (373) is fixedly provided with a third guide shaft (372), and the third guide shaft (372) and the second straight guide rail (341) and the inclined guide rail (342) form a sliding structure.

3. The device for turning a motor shaft according to claim 1, characterized in that: The material conveying mechanism (5) comprises a conveying frame (51) fixed to one end of a rack (6), and a conveying wheel (52) is mounted on the top of the rack (6) at one end of the conveying frame (51), support plates (53) are arranged at both ends of the bottom of the conveying frame (51), and a gear set (54) is mounted on one side of the conveying frame (51).

4. A turning device for a motor shaft according to claim 3, characterized in that: The inside of the conveying wheel (52) penetrates an activity shaft (522), one end of the activity shaft (522) is mounted with a first gear (521), and the outside of the conveying wheel (52) is provided with grooves (523) at equal intervals, one side of the support plate (53) is fixedly provided with a third rack (531), the middle of the third rack (531) is provided with a second gear (532), one side of the third rack (531) is connected with a fourth rack (533), and the fourth rack (533) and the gear set (54) are engaged.

5. The device for turning a motor shaft according to claim 1, characterized in that: The clamping mechanism (7) comprises a support (71) fixed to the top end of the base (4), and an outer shell (72) is arranged on the top of the support (71), and the outer shell (72) and the support (71) are rotatably connected, and the inside of the outer shell (72) is symmetrically and equally spacedly mounted with clamping blocks (73).

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