Machining device for planetary gear shaft

Abstract

The invention relates to the technical field of gear shaft welding, and particularly discloses a planetary gear shaft machining device which comprises a base, a mechanical arm body, a welding gun, a pushing structure, a discharging structure and a butt joint structure. The base is in a convex shape and is provided with a left end, a right end and a front end, the mechanical arm body is fixedly arranged on the upper wall of the front end of the base, the welding gun is fixedly arranged on the mechanical arm body, the pushing structure is fixedly arranged on the upper wall of the right end of the base, and the discharging structure is fixedly arranged on the upper wall of the base and is close to the pushing structure. In conclusion, by means of innovative mechanical design and automation technology, efficient, flexible and automatic operation of gear shaft welding is achieved, and the gear shaft welding device has the advantages of being high in adaptability, efficient, stable, capable of reducing cost, easy to maintain, capable of improving welding quality and the like; and the method is suitable for various industries and customized production requirements.

Description

Technical Field

[0001] The invention relates to the technical field of gear shaft welding, in particular to a processing device for a planetary gear shaft. Background Art

[0002] Gear shaft welding is a common machining process, which is mainly used to connect gears and shafts together by welding. This process is widely used in mechanical manufacturing, automotive industry, aerospace and other fields, and is mostly welding by arc welding, laser welding and friction welding. However, although the existing welding equipment can realize mechanical automatic welding, the workpiece shaft and workpiece gear are mostly manually loaded in sequence, and the automatic welding equipment is usually designed for gear shafts of specific specifications. For gear shafts of different sizes, shapes or materials, it may be necessary to readjust the equipment or replace the fixture, which reduces flexibility. Summary of the invention

[0003] The object of the present invention is to provide a processing device for a planetary gear shaft to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a processing device for a planetary gear shaft, comprising a base, a mechanical arm body, a welding gun, a pushing structure, a blanking structure and a docking structure; the base is convex, and the base has left and right ends and a front end, the mechanical arm body is fixedly arranged on the upper wall of the front end of the base, the welding gun is fixedly arranged on the mechanical arm body, the pushing structure is fixedly arranged on the upper wall of the right end of the base, the blanking structure is fixedly arranged on the upper wall of the base and close to the pushing structure, and the docking structure is fixedly arranged on the upper wall of the left end of the base, the mechanical arm body is used to automatically move the welding gun for automatic welding, the blanking structure is used to limit the stacking and stacking of gears, the pushing structure is used to push the gear at the bottom of the blanking structure into the docking structure, and the docking structure is used to fix and limit the gears and the shaft rod and stably dock them.

[0005] Preferably, the pushing structure includes a pushing seat, a first electric slide rail, a pushing plate, a pushing plate and a pair of springs; the pushing seat is fixedly arranged on the upper wall of the base and is located on the right side of the mechanical arm body, the first electric slide rail is fixedly arranged on the middle of the upper wall at the right end of the base, one end of the pushing plate is fixedly arranged on the first electric slide rail, and the pushing plate moves left and right, the other end of the pushing plate is located above the pushing seat, a flipping opening is arranged in the middle of the other end of the pushing plate, and a pair of telescopic openings are symmetrically arranged on the right side wall of the flipping opening, the pushing plate is movably embedded in the flipping opening of the pushing plate, and the upper wall of the pushing plate is located above the pushing plate, one end of a pair of springs are respectively fixedly inserted in the telescopic opening, and the other ends of the springs are respectively fixedly connected to the right side wall of the push plate, and the push plate cannot flip to the right.

[0006] Preferably, the unloading structure includes a height-adjusting slide rail, a height-adjusting frame, a width-adjusting slide rail, a position-adjusting frame, a second electric slide rail and a pair of fixed wheel units; one end of the height-adjusting slide rail is fixedly arranged on the upper arm of the base and is located on the right side of the pushing seat, the height-adjusting slide rail is located on the rear side of the first electric slide rail, one end of the height-adjusting frame is fixedly arranged on the height-adjusting slide rail and the height-adjusting frame can be lifted and lowered, one end of the width-adjusting slide rail is fixedly arranged on the other end of the height-adjusting frame, and the width-adjusting slide rail is located above the pushing seat, and relatively movable width-adjusting seats are symmetrically arranged on the width-adjusting slide rail, one end of the position-adjusting frame is fixedly arranged on one of the width-adjusting seats on the width-adjusting slide rail, and one end of the second electric slide rail is fixedly arranged on the other width-adjusting seat on the width-adjusting slide rail, one of the fixed wheel units is fixedly arranged on the second electric slide rail and is located above the pushing seat, the other fixed wheel unit is movably arranged on the position-adjusting frame, and a pair of the fixed wheel units are symmetrically located above the pushing seat.

[0007] Preferably, the fixed wheel unit includes a limit seat, a pair of first bolts, a mounting rod, a pair of second bolts and a single tooth frame; one end of the limit seat is fixedly set on the second electric slide rail, the pair of first bolts are movably screwed into the upper and lower side walls of the limit seat respectively, the mounting rod is movably inserted into the limit seat and the mounting rod is fixed by the first bolt, the pair of second bolts are movably screwed into the upper and lower ends of the mounting rod respectively, the two ends of the single tooth frame are movably set on the upper and lower ends of the mounting rod respectively, and the two ends of the single tooth frame are movably mounted on the second bolts respectively.

[0008] Preferably, the docking structure includes a flipping assembly, a wheel limiting assembly and a fixed axis assembly; the flipping assembly is fixedly arranged on the left end of the base and the flipping assembly corresponds to the pushing seat, the wheel limiting assembly is fixedly arranged on the flipping assembly, the fixed axis assembly is fixedly arranged on the flipping assembly, and the fixed axis assembly is located above the wheel limiting assembly.

[0009] Preferably, the flip assembly includes a flip frame, an axle, a flip seat, a gear, a third electric slide rail and a rack; the flip frame is concave, and is fixedly arranged at the middle part of the upper wall at the left end of the base, and the two ends of the axle are movably passed through the two ends of the flip frame, the flip seat is L-shaped, the middle part of the flip seat is fixedly sleeved on the middle part of the axle, and the middle part of the flip seat is movably embedded in the flip frame, the gear is fixedly sleeved on the front end of the axle, the third electric slide rail is fixedly arranged on the upper wall at the left end of the base and is located at the front side of the flip frame, the rack is fixedly arranged on the third electric slide rail, and the rack is located below the gear, and the rack is engaged with the gear.

[0010] Preferably, the wheel limiting assembly includes a processing table, a fourth electric slide rail and a pair of clamping arms; the processing table is fixedly arranged on the right end of the flip seat, and the processing table is located on the left side of the push seat and close to the push seat, the upper wall of the processing table and the upper wall of the push seat are on the same horizontal plane, and the processing table corresponds to the main body of the robotic arm, the fourth electric slide rail is fixedly arranged on the upper wall of the right end of the flip seat, the two ends of the fourth electric slide rail are respectively located on the front and rear sides of the flip seat, and the fourth electric slide rail is symmetrically provided with a fourth movable seat that can move relatively, one end of a pair of clamping arms are respectively fixedly arranged on the fourth movable seat of the fourth electric slide rail, and the other ends of the clamping arms are respectively attached to the upper wall of the processing table.

[0011] Preferably, the fixed shaft assembly includes a docking slide rail, a drag plate, a mechanical claw body and a camera; The docking slide rail is a T-shaped slide rail, which is fixedly arranged on the left end of the flip seat. One end of the drag plate is fixedly arranged on the docking slide rail, and the drag plate can be lifted and moved as well as moved left and right. The mechanical claw body is fixedly arranged on the other end of the drag plate. The mechanical claw body is located above the processing table, and relative clamping claws are symmetrically arranged on the mechanical claw body. The camera is fixedly arranged on the lower wall of the other end of the drag plate.

[0012] Preferably, the flip seat drives the wheel limiting assembly and the axle fixing assembly to flip to the left by a certain angle.

[0013] The present invention provides a processing device for a planetary gear shaft, which has the following beneficial effects: 1. The automatic unloading and pushing of gears are realized through the unloading structure and the pushing structure, which reduces manual intervention and improves production efficiency. The flip assembly and the fixed shaft assembly realize the automatic docking and welding of gears and shafts, further improving the level of automation.

[0014] 2. Through the limited stacking storage and unloading structure, it can adapt to gears of different diameters and numbers of teeth, which improves the versatility of the equipment. The material structure supports the adjustment of gears of different thicknesses to meet the welding needs of gears of various specifications.

[0015] 3. Using the weight of the gear itself for material cutting simplifies the mechanical structure and improves the stability and reliability of material cutting. The wheel limiting assembly and the fixed shaft assembly ensure the precise docking of the gear and the shaft, providing a stable foundation for welding.

[0016] 4. By flipping the assembly, the angle between the gear and the shaft can be adjusted according to welding requirements, which facilitates welding processing and improves welding quality and efficiency. The equipment supports welding processing of different gears to meet mass production needs.

[0017] In summary, the present invention realizes efficient, flexible and automated operation of gear shaft welding through innovative mechanical design and automation technology. It has the advantages of high adaptability, high efficiency and stability, reduced cost, easy maintenance and improved welding quality. It is suitable for a variety of industries and customized production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the assembly structure of the present invention; Figure 2 It is a schematic diagram of the split structure of the pusher structure; Figure 3 It is a schematic diagram of the split structure of the blanking structure; Figure 4 It is a schematic diagram of the split structure of the docking structure; Figure 5 It is a schematic diagram of the assembly structure of the blanking structure; Figure 6 It is a schematic diagram of the assembly structure of the docking structure; Figure 7 for Figure 2 A local enlarged structural diagram of the part; Figure 8 for Figure 1 A schematic diagram of the local enlarged structure at B in FIG. Fig. 9 for Figure 1 Schematic diagram of the local enlarged structure at point C in the figure.

[0019] In the figure: 1, base, 2, robot arm body, 3, welding gun, 4, pushing structure, 41, pushing seat, 42, first electric slide rail, 43, pushing plate, 44, pushing plate, 45, spring, 5, unloading structure, 51, height adjustment slide rail, 52, height adjustment frame, 53, width adjustment slide rail, 54, position adjustment frame, 55, second electric slide rail, 56, fixed wheel unit, 561, limit seat, 562, first bolt, 563, mounting rod, 564, second bolt, 565, single gear frame, 6, flip assembly, 61, flip frame, 62, shaft rod, 63, flip seat, 64, gear, 65, third electric slide rail, 66, rack, 7, wheel limit assembly, 71, processing table, 72, fourth electric slide rail, 73, clamping arm, 8, fixed shaft assembly, 81, docking slide rail, 82, drag plate, 83, robot claw body, 84, camera. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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.

[0021] like Figure 1-Figure 9 As shown, the present invention provides a technical solution: a processing device for a planetary gear shaft, comprising a base 1, a robot arm body 2, a welding gun 3, a pushing structure 4, a blanking structure 5 and a docking structure; the base 1 is convex, and the base 1 has left and right ends and a front end, the robot arm body 2 is fixedly arranged on the upper wall of the front end of the base 1, the welding gun 3 is fixedly arranged on the robot arm body 2, the pushing structure 4 is fixedly arranged on the upper wall of the right end of the base 1, the blanking structure 5 is fixedly arranged on the upper wall of the base 1 and close to the pushing structure 4, and the docking structure is fixedly arranged on the upper wall of the left end of the base 1, the robot arm body 2 is used for automatically moving the welding gun 3 for automatic welding, the blanking structure 5 is used for limiting the position, stacking and placing the gears 64, the pushing structure 4 is used for pushing the gear 64 at the bottom of the blanking structure 5 into the docking structure, and the docking structure is used for fixing and limiting the gear 64 and the shaft 62 and stably docking.

[0022] like Figure 2 and Figure 7 As shown, the pushing structure 4 includes a pushing seat 41, a first electric slide rail 42, a pushing plate 43, a pushing plate 44 and a pair of springs 45; the pushing seat 41 is fixedly arranged on the upper wall of the base 1 and is located on the right side of the robot arm body 2, the first electric slide rail 42 is fixedly arranged in the middle of the upper wall of the right end of the base 1, one end of the pushing plate 43 is fixedly arranged on the first electric slide rail 42, and the pushing plate 43 moves left and right, the other end of the pushing plate 43 is located above the pushing seat 41, and the middle of the other end of the pushing plate 43 is provided A flipping opening is provided, and a pair of telescopic openings are symmetrically provided on the right side wall of the flipping opening. A push plate 44 is movably embedded in the flipping opening of the push plate 43, and the upper wall of the push plate 44 is located above the push plate 44. One end of a pair of springs 45 are respectively fixedly inserted in the telescopic opening, and the other ends of the springs 45 are respectively fixedly connected to the right side wall of the push plate 44; the material is carried by the push seat 41, and the push plate 43 is driven to move from right to left by the first electric slide rail 42 to apply force and push through the push plate 44.

[0023] like Figure 3 and Figure 8As shown, the unloading structure 5 includes a height-adjusting slide rail 51, a height-adjusting frame 52, a width-adjusting slide rail 53, a position-adjusting frame 54, a second electric slide rail 55 and a pair of fixed wheel units 56; one end of the height-adjusting slide rail 51 is fixedly arranged on the upper arm of the base 1 and is located on the right side of the pusher seat 41, the height-adjusting slide rail 51 is located on the rear side of the first electric slide rail 42, one end of the height-adjusting frame 52 is fixedly arranged on the height-adjusting slide rail 51 and the height-adjusting frame 52 moves up and down, one end of the width-adjusting slide rail 53 is fixedly arranged on the other end of the height-adjusting frame 52, and the width-adjusting slide rail 53 is located above the pusher seat 41, and relatively movable width-adjusting seats are symmetrically arranged on the width-adjusting slide rail 53, one end of the position-adjusting frame 54 is fixedly arranged on one of the width-adjusting seats on the width-adjusting slide rail 53, and one end of the second electric slide rail 55 is fixedly arranged on the On another width adjusting seat fixedly arranged on the width adjusting slide rail 53, one of the fixed wheel units 56 is fixedly arranged on the second electric slide rail 55 and is located above the material pushing seat 41, and the other fixed wheel unit 56 is movably arranged on the adjustment frame 54, and a pair of fixed wheel units 56 are symmetrically located above the material pushing seat 41; the fixed wheel unit 56 is driven to rise and fall by the height adjusting slide rail 51, and the height of the fixed wheel unit 56 above the material pushing seat 41 is adjusted according to the thickness of the gear 64, the width adjusting slide rail 53 is driven to rise and fall by the height adjusting frame 52, the relative distance between the two fixed wheel units 56 is adjusted by the width adjusting slide rail 53, and one of the fixed wheel units 56 is driven by the second electric slide rail 55 to be staggered relative to the other fixed wheel unit 56.

[0024] like Figure 3 and Figure 5 As shown, the fixed wheel unit 56 includes a limiting seat 561, a pair of first bolts 562, a mounting rod 563, a pair of second bolts 564 and a single gear rack 565; one end of the limiting seat 561 is fixedly arranged on the second electric slide rail 55, a pair of first bolts 562 are respectively movably screwed in the upper and lower side walls of the limiting seat 561, the mounting rod 563 is movably inserted in the limiting seat 561 and the mounting rod 563 is fixed by the first bolts 562, a pair of second bolts 564 are respectively movably screwed on the upper and lower ends of the mounting rod 563, two ends of the single gear rack 565 are respectively movably arranged on the upper and lower ends of the mounting rod 563, and the two ends of the single gear rack 565 are respectively movably sleeved on the second bolts 564; the mounting rod 563 is detachable through the limiting seat 561, the single gear rack 565 is carried by the mounting rod 563, and the single gear rack 565 can be rotated at a certain angle to fit the gears 64 with different diameters and numbers of teeth, and the single gear rack 565 is inserted into the tooth pitch to limit the gear 64.

[0025] like Figure 4 As shown, the docking structure includes a flipping assembly 6, a wheel limiting assembly 7 and a fixed axis assembly 8; the flipping assembly 6 is fixedly arranged on the left end of the base 1 and the flipping assembly 6 corresponds to the pushing seat 41, the wheel limiting assembly 7 is fixedly arranged on the flipping assembly 6, the fixed axis assembly 8 is fixedly arranged on the flipping assembly 6, and the fixed axis assembly 8 is located above the wheel limiting assembly 7.

[0026] like Figure 4 and Fig. 9 As shown, the flip assembly 6 includes a flip frame 61, a shaft 62, a flip seat 63, a gear 64, a third electric slide rail 65 and a rack 66; the flip frame 61 is concave, and the flip frame 61 is fixedly arranged at the middle of the upper wall of the left end of the base 1, and the two ends of the shaft 62 are respectively movably penetrated through the two ends of the flip frame 61, and the flip seat 63 is L-shaped, and the middle part of the flip seat 63 is fixedly sleeved in the middle part of the shaft 62, and the middle part of the flip seat 63 is movably embedded in the flip frame 61, the gear 64 is fixedly sleeved on the front end of the shaft 62, and the third electric slide rail 65 is fixedly arranged It is placed on the upper wall of the left end of the base 1 and on the front side of the flip frame 61. The rack 66 is fixedly set on the third electric slide rail 65, and the rack 66 is located below the gear 64. The rack 66 is meshed with the gear 64. The rack 66 is driven to move by the third electric slide rail 65. The gear 64 is meshed with the rack 66 and the gear 64 to drive the shaft 62 on the gear 64 to rotate on the flip frame 61 to drive the flip seat 63 to flip a certain angle. The flip seat 63 drives the wheel limiting assembly 7 and the fixed shaft assembly 8 to flip to the left at a certain angle, which is designed to fit and facilitate welding.

[0027] like Figure 4 As shown, the wheel limiting assembly 7 includes a processing table 71, a fourth electric slide rail 72 and a pair of clamping arms 73; the processing table 71 is fixedly arranged on the right end of the flip seat 63, and the processing table 71 is located on the left side of the push seat 41 and close to the push seat 41, the upper wall of the processing table 71 and the upper wall of the push seat 41 are on the same horizontal plane, and the processing table 71 corresponds to the robot arm body 2, the fourth electric slide rail 72 is fixedly arranged on the upper wall of the right end of the flip seat 63, the two ends of the fourth electric slide rail 72 are respectively located on the front and rear sides of the flip seat 63, and the fourth electric slide rail 72 is symmetrically provided with a fourth movable seat that moves relatively, one end of a pair of clamping arms 73 is respectively fixedly arranged on the fourth movable seat of the fourth electric slide rail 72, and the other ends of the clamping arms 73 are respectively attached to the upper wall of the processing table 71; the clamping arms 73 are driven by the fourth electric slide rail 72 to move relatively to fix the gear 64 located on the processing table 71.

[0028] like Figure 4 As shown, the fixed axis assembly 8 includes a docking slide rail 81, a drag plate 82, a mechanical claw body 83 and a camera 84; the docking slide rail 81 is a T-shaped slide rail, the docking slide rail 81 is fixedly arranged on the left end of the flip seat 63, one end of the drag plate 82 is fixedly arranged on the docking slide rail 81, and the drag plate 82 moves up and down and moves left and right, the mechanical claw body 83 is fixedly arranged on the other end of the drag plate 82, the mechanical claw body 83 is located above the processing table 71, and the mechanical claw body 83 is symmetrically provided with relative clamping claws, and the camera 84 is fixedly arranged on the lower wall of the other end of the drag plate 82; the shaft rod 62 is clamped and fixed by the mechanical claw body 83, and the shaft rod 62 is driven to move up and down and move left and right by the docking slide rail 81, and one end of the shaft rod 62 is fitted in the middle of the gear 64 for docking with the help of the imaging of the camera 84.

[0029] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0030] S1. Place the equipment stably through the base 1, select the corresponding welding gun 3 according to the processing requirements and install the welding gun 3 on the robot arm body 2, and drive the welding gun 3 through the robot arm body 2 to perform flexible positioning welding to realize automated processing; S2. The gear 64 to be processed can be stacked and placed in turn between the fixed wheel units 56 in the blanking structure 5; that is, the gear 64 is placed between the two single racks 565, and the gear 64 is limited by the single rack 565 being inserted into the pitch of the processed gear 64; S3. According to the diameter of the processed gear 64, the width adjustment rail 53 can be driven to drive the fixed wheel unit 56 on the adjustment frame 54 and the fixed wheel unit 56 on the second electric rail 55 to move and adjust the relative spacing of the single gear rack 565; secondly, the relative angle of the single gear rack 565 can be adjusted by the second bolt 564 to enhance the fit and limit of gears 64 of different sizes; and the second electric rail 55 can also be driven to drive the fixed wheel unit 56 to translate to form two fixed wheel units 56 relatively staggered, so that the corresponding single gear rack 565 can be effectively inserted into the gear pitch of the processed gear 64. S4. When the gear 64 is stacked and placed, according to the thickness of the gear 64, the height adjustment slide 51 is driven to drive the width adjustment slide 53 on the height adjustment frame 52 to rise to the corresponding height, so that the bottom gear 64 is located on the upper wall of the pusher seat 41 without obstruction and without afternoon; S5. At this time, the first electric slide rail 42 in the pushing structure 4 can be driven to drive the pushing plate 43 to move from right to left, so that the left end of the stripping plate is located on the upper wall of the pushing seat 41 and moves to the left, and the gear 64 can be pushed by the pushing plate 44 (the thickness of the gear 64 needs to be higher than the height of the pushing plate 44); the gear 64 is pushed from the pushing seat 41 to the processing table 71 of the limiting wheel assembly 7; and the gears 64 between the fixed wheel units 56 fall onto the pushing plate 43 in sequence due to the loss of the bottom gear 64. When the pushing plate 43 moves to the right and resets, the pushing plate 44 is forced to flip to the left by the gear 64 located at the bottom again and resets from under the gear 64 as it moves, and after the pushing plate 44 passes through the gear 64, it is reset vertically with the help of the spring 45, and then the material can be pushed and unloaded again; S6. When the gear 64 is located on the processing table 71, the fourth electric slide rail 72 can be driven to drive the two clamping arms 73 to move relative to each other to clamp the gear 64 in the center through the imaging detection of the camera 84 in the fixed shaft assembly 8; S7. Then the corresponding shaft 62 can be inserted between the claws of the mechanical claw body 83 and vertically clamped by the mechanical claw body; the mechanical claw body 83 on the carriage (82) is driven to rise and fall and move left and right to calibrate the position through the docking slide rail 81, so that the bottom end of the shaft 62 is pressed against the middle of the gear 64 for docking and limiting; S8. Finally, the third electric slide rail 65 in the flip assembly 6 can be driven to drive the rack 66 to move left and right, and the rack 66 drives the gear 64 and the shaft 62 to rotate on the flip frame 61, thereby driving the flip seat 63 to flip to the left, that is, driving the gear 64 on the fixed shaft assembly 8 and the limiting wheel assembly 7 to fit with the shaft and then synchronously flip and tilt at a certain angle, so that the robot body 2 can drive the welding gun 3 to weld the docking part; S9. The equipment can prefabricate and set a single gear rack 565 according to the size of the gear 64 to be processed, the size of the tooth pitch and the shape of the teeth, and can be disassembled and replaced with the help of the second bolt 564 to improve the applicability of the equipment; at the same time, the single gear rack 565 is fixed on the mounting rod 563 fixed in the limit seat 561 by the first bolt 562, and the mounting rod 563 can also be disassembled for direct replacement and exchange.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A processing device for a planetary gear shaft, characterized in that: The invention comprises a base (1), a mechanical arm body (2), a welding gun (3), a material pushing structure (4), a material unloading structure (5) and a docking structure; the base (1) is convex, the base (1) has left and right ends and a front end, the mechanical arm body (2) is fixedly arranged on the upper wall of the front end of the base (1), the welding gun (3) is fixedly arranged on the mechanical arm body (2), the material pushing structure (4) is fixedly arranged on the upper wall of the right end of the base (1), the material unloading structure (5) is fixedly arranged on the upper wall of the base (1) and close to the material pushing structure (4), and the docking structure is fixedly arranged on the upper wall of the left end of the base (1); the mechanical arm body (2) is used for automatically moving the welding gun (3) for automatic welding; the material unloading structure (5) is used for limiting the position of the gears (64) for stacking and placing; the material pushing structure (4) is used for pushing the gear (64) at the bottom of the material unloading structure (5) into the docking structure; and the docking structure is used for fixing and limiting the position of the gears (64) and the shaft (62) and for stably docking them.

2. A processing device for a planetary gear shaft according to claim 1, characterized in that: The material pushing structure (4) comprises a material pushing seat (41), a first electric slide rail (42), a material pushing plate (43), a pushing plate (44) and a pair of springs (45); The pusher seat (41) is fixedly arranged on the upper wall of the base (1) and is located on the right side of the robot arm body (2); the first electric slide rail (42) is fixedly arranged on the middle part of the upper wall of the right end of the base (1); one end of the pusher plate (43) is fixedly arranged on the first electric slide rail (42), and the pusher plate (43) moves left and right; the other end of the pusher plate (43) is located above the pusher seat (41); a flipping opening is arranged in the middle part of the other end of the pusher plate (43), and a pair of telescopic openings are symmetrically arranged on the right side wall of the flipping opening; the pusher plate (44) is movably embedded in the flipping opening of the pusher plate (43), and the upper wall of the pusher plate (44) is located above the pusher plate (44); one end of a pair of springs (45) are respectively fixedly inserted in the telescopic opening, and the other end of the springs (45) are respectively fixedly connected to the right side wall of the pusher plate (44).

3. A processing device for a planetary gear shaft according to claim 2, characterized in that: The material unloading structure (5) comprises a height-adjusting slide rail (51), a height-adjusting frame (52), a width-adjusting slide rail (53), a position-adjusting frame (54), a second electric slide rail (55), and a pair of fixed wheel units (56); One end of the height adjustment slide rail (51) is fixedly arranged on the upper arm of the base (1) and is located on the right side of the pusher seat (41). The height adjustment slide rail (51) is located on the rear side of the first electric slide rail (42). One end of the height adjustment frame (52) is fixedly arranged on the height adjustment slide rail (51) and the height adjustment frame (52) moves up and down. One end of the width adjustment slide rail (53) is fixedly arranged on the other end of the height adjustment frame (52), and the width adjustment slide rail (53) is located above the pusher seat (41). The width adjustment slide rail (53) is symmetrically provided with relatively movable A width adjustment seat, one end of the position adjustment frame (54) is fixedly arranged on one of the width adjustment seats on the width adjustment slide rail (53), one end of the second electric slide rail (55) is fixedly arranged on the other width adjustment seat on the width adjustment slide rail (53), one fixed wheel unit (56) is fixedly arranged on the second electric slide rail (55) and is located above the material pushing seat (41), and the other fixed wheel unit (56) is movably arranged on the position adjustment frame (54), and the pair of fixed wheel units (56) are symmetrically located above the material pushing seat (41).

4. A processing device for a planetary gear shaft according to claim 3, characterized in that: The fixed wheel unit (56) comprises a limiting seat (561), a pair of first bolts (562), a mounting rod (563), a pair of second bolts (564) and a single gear rack (565); One end of the limit seat (561) is fixedly arranged on the second electric slide rail (55), a pair of the first bolts (562) are movably screwed into the upper and lower side walls of the limit seat (561), the mounting rod (563) is movably inserted into the limit seat (561) and the mounting rod (563) is fixed by the first bolts (562), a pair of the second bolts (564) are movably screwed into the upper and lower ends of the mounting rod (563), two ends of the single tooth frame (565) are movably arranged on the upper and lower ends of the mounting rod (563), and two ends of the single tooth frame (565) are movably sleeved on the second bolts (564).

5. A processing device for a planetary gear shaft according to claim 4, characterized in that: The docking structure comprises a flip assembly (6), a wheel limiting assembly (7) and an axle fixing assembly (8); The flip assembly (6) is fixedly arranged on the left end of the base (1), and the flip assembly (6) corresponds to the material pushing seat (41); the wheel limiting assembly (7) is fixedly arranged on the flip assembly (6); the fixed shaft assembly (8) is fixedly arranged on the flip assembly (6), and the fixed shaft assembly (8) is located above the wheel limiting assembly (7).

6. A processing device for a planetary gear shaft according to claim 5, characterized in that: The flip assembly (6) comprises a flip frame (61), a shaft (62), a flip seat (63), a gear (64), a third electric slide rail (65) and a rack (66); The flip frame (61) is concave, and is fixedly arranged on the middle part of the upper wall of the left end of the base (1). The two ends of the shaft (62) are respectively movably inserted into the two ends of the flip frame (61). The flip seat (63) is L-shaped, and the middle part of the flip seat (63) is fixedly sleeved on the middle part of the shaft (62), and the middle part of the flip seat (63) is movably embedded in the flip frame (61). The gear (64) is fixedly sleeved on the front end of the shaft (62). The third electric slide rail (65) is fixedly arranged on the upper wall of the left end of the base (1) and is located at the front side of the flip frame (61). The rack (66) is fixedly arranged on the third electric slide rail (65), and the rack (66) is located below the gear (64), and the rack (66) is meshed with the gear (64).

7. A processing device for a planetary gear shaft according to claim 6, characterized in that: The wheel limiting assembly (7) comprises a processing table (71), a fourth electric slide rail (72), and a pair of clamping arms (73); The processing table (71) is fixedly arranged on the right end of the turning seat (63), and the processing table (71) is located on the left side of the pushing seat (41) and close to the pushing seat (41). The upper wall of the processing table (71) and the upper wall of the pushing seat (41) are on the same horizontal plane, and the processing table (71) corresponds to the robot arm body (2). The fourth electric slide rail (72) is fixedly arranged on the upper wall of the right end of the turning seat (63). The two ends of the fourth electric slide rail (72) are respectively located on the front and rear sides of the turning seat (63), and the fourth electric slide rail (72) is symmetrically provided with a fourth movable seat that moves relatively. One end of a pair of clamping arms (73) is respectively fixedly arranged on the fourth movable seat of the fourth electric slide rail (72), and the other ends of the clamping arms (73) are respectively attached to the upper wall of the processing table (71).

8. A processing device for a planetary gear shaft according to claim 7, characterized in that: The fixed axis assembly (8) comprises a docking slide rail (81), a carriage (82), a mechanical claw body (83) and a camera (84); The docking slide rail (81) is a T-shaped slide rail, and the docking slide rail (81) is fixedly arranged on the left end of the flip seat (63). One end of the carriage (82) is fixedly arranged on the docking slide rail (81), and the carriage (82) can be moved up and down and left and right. The mechanical claw body (83) is fixedly arranged on the other end of the carriage (82). The mechanical claw body (83) is located above the processing table (71), and the mechanical claw body (83) is symmetrically provided with opposite clamping claws. The camera (84) is fixedly arranged on the lower wall of the other end of the carriage (82).

9. A processing device for a planetary gear shaft according to claim 8, characterized in that: The turning seat (63) drives the wheel limiting assembly (7) and the axle fixing assembly (8) to turn leftward by a certain angle.

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