A helical gear assembling robot

Abstract

The application discloses a helical gear assembling assembling robot, relates to the technical field of helical gear assembling, and comprises a conveying assembly and an oil injection assembly, the conveying assembly comprises a guide rail, an oil injection frame is connected to the inside of the horizontal rail through a horizontal spring, and the bottom of the oil injection panel is provided with a guide arc piece. The helical gear assembling assembling robot is characterized in that, while the electric trolley carries the helical gear to translate, the oil injection panel is extended into the hole position and attached to the inner wall and synchronously moves, thereby completing the oil injection operation in the process of the helical gear transmission to the next process, and when the oil is injected, the transmission gear rolls along the rack surface due to the movement of the electric trolley, thereby driving the helical gear to rotate while moving, so that the oil injection panel is indirectly rolled by being attached to the inner wall of the hole position through the movable ball, thereby enabling the lubricating oil to be fully coated to the inner wall of the hole position after one rotation of the helical gear, thereby being favorable for improving the utilization rate of the lubricating oil and avoiding unnecessary consumption caused by the lubricating oil filling the whole hole position.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of helical gear assembly, in particular to a helical gear assembly robot. BACKGROUND

[0002] The helical gear refers to a kind of gear used in motor drive system, the gear tooth is inclined to a certain angle with axis, and is arranged in spiral shape, the helical gear assembly robot is composed of conveying structure, oil injection structure, combined mechanical arm and other structures, the gear is conveyed to oil injection structure by conveying structure, and then it is assembled with shaft body after oil injection, and then the helical gear is clamped by flexible gripper and adjusted angle and installed into motor shell by mechanical arm.

[0003] When the existing helical gear is moved to oil injection position by conveying structure, the oil injection head is often inserted into gear hole position to inject oil, but only the side of gear hole position needs to be attached with oil to facilitate the assembly of helical gear and shaft body, to avoid wear, but the oil injection head is inserted into hole position to inject oil, so that the oil spreads outward in the middle of hole position and contacts with the inner side of hole position, thereby causing unnecessary consumption of oil. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a helical gear assembly robot, which solves the problems raised in the background art.

[0005] To achieve the above object, the present application is realized by the following technical scheme: a helical gear assembly robot, comprising a conveying assembly and an oil injection assembly, the conveying assembly comprises a guide rail, and a groove is formed on the surface of the guide rail, a rack is arranged on one side of the inner wall of the groove, an electric trolley is slidably connected to the surface of the guide rail, and a carrier disc is rotatably connected to the top surface of the electric trolley, an oil passing cylinder is fixed to the bottom of the carrier disc, and a transmission gear is fixed to the bottom of the oil passing cylinder, an oil outlet hole is formed in the side surface of the transmission gear in a ring shape, the oil injection assembly comprises a lifting drive mechanism arranged on one side of the end of the guide rail, a horizontal rail is fixed to the end of the lifting drive mechanism, an oil injection rack is connected to the inside of the horizontal rail through a horizontal spring, an oil injection pipe is arranged in the middle of the oil injection rack, a right-angle pipe is sleeved to the bottom of the oil injection pipe, an oil injection panel is sleeved to the outer wall of the right-angle pipe through an elastic spring, an oil injection hole is formed in the outer side surface of the oil injection panel, movable balls are embedded in the middle of the outer side surface of the oil injection panel, and a guide arc piece is arranged at the bottom of the oil injection panel.

[0006] Further, the bottom of the inner wall of the groove is treated as a slope, and the slope is 2°.

[0007] Further, the transmission gear is connected with the rack in meshing mode, and the carrier disc is drivingly connected with the electric trolley through the oil passing cylinder, the transmission gear and the rack.

[0008] Further, the lower end of the bottom of the inner wall of the groove is provided with a funnel pipe, and the end of the funnel pipe is connected with an oil recovery tank.

[0009] Further, the oil injection pipe is arranged one by one with the helical gear, and the helical gear is placed on the surface of the supporting disc.

[0010] Further, the outer wall of the guide arc piece is sleeved with a flexible rubber sleeve, and the bottom of the guide arc piece is located directly below the oil injection pipe.

[0011] Further, the bottom of the oil injection frame is provided with a laser positioning sensor, and the laser positioning sensor is used for positioning the hole position of the helical gear.

[0012] Further, one side of the lifting driving mechanism is provided with a shaft body assembly mechanism, and one side of the shaft body assembly mechanism is provided with a mechanical arm.

[0013] Further, the end of the mechanical arm is provided with a flexible clamping jaw, and the lower side of the shaft body assembly mechanism is provided with a conveying belt.

[0014] Further, the surface of the conveying belt is provided with a moving carrier, and the surface of the moving carrier is placed with a motor shell.

[0015] The helical gear assembly robot has the following beneficial effects:

[0016] 1. The helical gear assembly robot, while the electric trolley carries the helical gear to translate, extends the oil injection panel into the hole position and adheres to the inner wall and synchronously moves, thereby completing the oil injection operation in the process of transmitting the helical gear to the next process, and the transmission gear rolls along the rack surface due to the movement of the electric trolley during oil injection, thereby driving the helical gear to rotate while moving, so that the oil injection panel is virtually rolled by adhering to the inner wall of the hole position through the movable ball, thereby enabling the lubricating oil to be fully coated on the inner wall of the hole position after one rotation of the helical gear, thereby facilitating to improve the utilization rate of the lubricating oil without unnecessary consumption caused by filling the lubricating oil in the entire hole position.

[0017] 2. The helical gear assembly robot, after the lubricating oil adheres to the inner wall of the hole position of the helical gear, the lubricating oil will slide down along the inner wall of the oil cylinder to the inside of the transmission gear under the action of gravity, and the lubricating oil will flow out from the oil outlet when the transmission gear rotates, so that the lubricating oil will adhere to the surfaces of the transmission gear and the rack when the transmission gear rolls along the surface of the rack, thereby enhancing the smoothness of the transmission gear when rolling along the surface of the rack to avoid jamming.

[0018] 3. The helical gear assembly machine robot positions the moving helical gear hole position through a laser positioning sensor, and when the hole position coincides with the oil injection pipe, the oil injection pipe is lowered, and in the process of lowering, the guide arc piece with a flexible rubber sleeve on the outer wall cooperates with the oil injection panel to slide along the outer wall of the right-angle pipe bottom through the elastic effect of the elastic spring, so that the oil injection panel carries the movable ball to the inner side of the hole position, thereby avoiding the situation that the oil injection panel cannot enter the inside of the hole position due to the deviation of the moving speed of the helical gear and the lowering speed of the oil injection pipe, and it can also adapt to helical gear hole positions of different inner diameter sizes. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole three-dimensional structure schematic diagram of the helical gear assembly machine robot of the application;

[0020] Figure 2 It is a guide rail three-dimensional structure schematic diagram of the helical gear assembly machine robot of the application;

[0021] Figure 3 It is a guide rail internal structure schematic diagram of the helical gear assembly machine robot of the application;

[0022] Figure 4 It is a front view structure schematic diagram of the oil injection rack of the helical gear assembly machine robot of the application;

[0023] Figure 5 It is a front view structure schematic diagram of the right-angle pipe of the helical gear assembly machine robot of the application;

[0024] Figure 6 It is a side view structure schematic diagram of the oil injection panel of the helical gear assembly machine robot of the application;

[0025] Figure 7 It is a side view structure schematic diagram of the mechanical arm of the helical gear assembly machine robot of the application;

[0026] Figure 8 It is a half-cut structure schematic diagram of the electric trolley of the helical gear assembly machine robot of the application.

[0027] In the figure: 1, conveying assembly; 101, guide rail; 102, groove; 103, rack; 104, electric trolley; 105, supporting disc; 106, oil passing cylinder; 107, transmission gear; 108, oil outlet hole; 2, oil injection assembly; 201, lifting driving mechanism; 202, horizontal rail; 203, oil injection rack; 204, oil injection pipe; 205, right-angle pipe; 206, oil injection panel; 207, oil injection hole; 208, movable ball; 209, guide arc piece; 210, elastic spring; 3, funnel pipe; 4, shaft body assembly mechanism; 5, mechanical arm; 6, flexible clamping jaw; 7, conveying belt; 8, moving carrier; 9, motor shell. DETAILED DESCRIPTION

[0028] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention but are not intended to limit the scope of the present invention.

[0029] like Figures 1-8 As shown, the present invention provides a technical solution: an assembly robot for helical gear assembly, comprising a conveying component 1 and an oiling component 2, the conveying component 1 comprises a guide rail 101, and a groove 102 is provided on the surface of the guide rail 101, a rack 103 is provided on one side of the inner wall of the groove 102, an electric pulley 104 is slidably connected to the surface of the guide rail 101, and the top surface of the electric pulley 104 is rotatably connected to a supporting plate 105, an oil cylinder 106 is fixed to the bottom of the supporting plate 105, and the bottom of the oil cylinder 106 is fixed to the bottom of the oil cylinder 106. A transmission gear 107 is fixed, and an oil outlet hole 108 is opened on the side of the transmission gear 107 in a ring shape. The oil filling assembly 2 includes a lifting drive mechanism 201 arranged on one side of the end of the guide rail 101, and a horizontal rail 202 is fixed to the end of the lifting drive mechanism 201. The interior of the horizontal rail 202 is connected to an oil filling frame 203 through a horizontal spring, and an oil filling pipe 204 is provided in the middle of the oil filling frame 203. The bottom of the oil filling pipe 204 is sleeved with a right-angle pipe 205, and the outer wall of the right-angle pipe 205 is connected to the guide rail 101. The elastic spring 210 is provided with an oil filling panel 206, an oil filling hole 207 is provided on the side of the outer side of the oil filling panel 206, and a movable ball 208 is embedded in the middle of the outer side of the oil filling panel 206. A guide arc piece 209 is provided at the bottom of the oil filling panel 206. The bottom of the inner wall of the groove 102 is sloped, and the slope is 2°. The transmission gear 107 is meshed with the rack 103, and the supporting plate 105 is connected to the electric slide through the oil cylinder 106, the transmission gear 107, the rack 103 and the electric slide. The car 104 is connected in transmission, a funnel tube 3 is provided at the lower end of the bottom of the inner wall of the groove 102, and the end of the funnel tube 3 is connected to the oil recovery tank, the oil filling pipe 204 and the helical gear are arranged one-to-one, and the helical gear is placed on the surface of the supporting plate 105, the outer wall of the guide arc piece 209 is provided with a flexible rubber sleeve, and the bottom of the guide arc piece 209 is located directly below the oil filling pipe 204, and a laser positioning sensor is provided at the bottom of the oil filling frame 203, and the laser positioning sensor is used to locate the position of the helical gear hole;

[0030] The specific operation is as follows, the bevel gear to be oiled is placed on the supporting disc 105, the supporting disc 105 is carried by the electric trolley 104 to slide along the surface of the guide rail 101, when the laser positioning sensor detects that the hole position of the bevel gear is located directly below the oil injection pipe 204, the horizontal rail 202 and the oil injection frame 203 are driven to descend by the lifting driving mechanism 201 such as a pneumatic cylinder, a hydraulic cylinder or an electric telescopic rod, so that the oil injection pipe 204 carrying the oil injection panel 206 descends into the hole position of the bevel gear, wherein if there is a slight deviation during the descending process or the inner diameter of the hole position is smaller, the guiding arc piece 209 is first in contact with the top of the hole position, and during the descending process, the guiding arc piece 209 is stressed to make the oil injection panel 206 exert pressure on the elastic spring 210 to shrink, so that the oil injection panel 206 slides on the outer wall of the right-angle pipe 205, thereby reducing the distance between the oil injection panel 206 and the oil injection pipe 204, so that the oil injection panel 206 enters the hole position of the bevel gear;

[0031] After the oil injection panel 206 enters the hole position of the bevel gear, the outer side of the oil injection panel 206 is directed to the inner side of the hole position under the action of the elastic spring 210, and the movable ball 208 is attached to the inner side of the hole position, and the electric trolley 104 keeps moving, and during the moving process, the oil injection panel 206 is forced to push the oil injection frame 203 to translate along the surface of the horizontal rail 202, and during the translating process, the oil injection pipe 204 injects oil into the inside of the oil injection panel 206 through the right-angle pipe 205, and the lubricating oil flows out of the oil injection hole 207 and directly flows to the inner side of the hole position, and the oil on the inner side of the hole position slides downward under the action of gravity;

[0032] During the moving process of the electric trolley 104, the transmission gear 107 rolls along the surface of the rack 103 to drive the supporting disc 105 to make the bevel gear rotate, so that during the synchronous moving process of the bevel gear and the oil injection panel 206, the inner side of the hole position of the bevel gear keeps in contact with the movable ball 208 and rotates, so that the lubricating oil flowing out of the oil injection hole 207 is coated to different side positions of the hole position, thereby making the sides inside the hole position uniformly adhere to the lubricating oil, after the bevel gear moves and rotates for several rounds, the horizontal rail 202 and the oil injection frame 203 are driven to ascend by the lifting driving mechanism 201, so that the oil injection panel 206 is separated from the inside of the hole position, at this time, the oil injection panel 206 loses the force to make it reset with the oil injection frame 203 under the elastic action of the elastic spring 210 and the horizontal spring to wait for the next round of oil injection operation, and the electric trolley 104 carries the bevel gear to move to the next process;

[0033] After the oil injection is completed, the lubricating oil attached to the inner side of the hole position slides downward under the action of gravity and falls into the inside of the oil passing cylinder 106. With the lubricating oil sliding down in each round of oil injection operation, the dripping lubricating oil enters the inside of the transmission gear 107 along the oil passing cylinder 106, and then flows out from the oil outlet hole 108 on the outside of the transmission gear 107. When the transmission gear 107 rolls along the surface of the rack 103 due to the movement of the electric trolley 104, the flowing lubricating oil can be attached to the surface of the transmission gear 107 and the rack 103, thereby lubricating the meshing of the transmission gear 107 and the rack 103.

[0034] The lubricating oil attached to the surface of the transmission gear 107 and the rack 103 also falls to the bottom of the groove 102 due to gravity, and the bottom of the groove 102 is designed with a slope to make the lubricating oil gather towards the low end and finally flow along the funnel pipe 3 to the oil recovery tank for recovery. In the present application, the bevel gear is injected with oil and assembled in a dust-free environment to avoid impurities such as dust from entering the groove 102 and mixing with the lubricating oil to affect the meshing between the transmission gear 107 and the rack 103.

[0035] Based on the above description, the oil injection panel 206 is stretched into the hole position and attached to the inner wall while the electric trolley 104 carries the bevel gear to translate, and then moves synchronously, thereby completing the oil injection operation during the transmission of the bevel gear to the next process. When the oil is injected, the movement of the electric trolley 104 makes the transmission gear 107 roll along the surface of the rack 103, thereby driving the bevel gear to rotate while moving, so that the oil injection panel 206 is virtually rolled by the movable ball 208 attached to the inner wall of the hole position, thereby fully coating the lubricating oil to the inner wall of the hole position after one revolution of the bevel gear, thereby facilitating the utilization of the lubricating oil and avoiding unnecessary consumption caused by filling the entire hole position with lubricating oil.

[0036] After the lubricating oil is attached to the inner wall of the hole position of the bevel gear, it will slide down along the inner wall of the oil passing cylinder 106 under the action of gravity and fall into the inside of the transmission gear 107. With the increase of the lubricating oil in the inside of the transmission gear 107, the lubricating oil flows out from the oil outlet hole 108 when the transmission gear 107 rotates, so that the lubricating oil is attached to the surface of the transmission gear 107 and the rack 103 when the transmission gear 107 rolls along the surface of the rack 103, thereby enhancing the smoothness of the transmission gear 107 rolling along the surface of the rack 103 to avoid jamming.

[0037] The present invention locates the position of the moving helical gear hole through a laser positioning sensor, and when the hole coincides with the oil filling pipe 204, the oil filling pipe 204 is lowered. During the descent process, the guide arc piece 209 with a flexible rubber sleeve on the outer wall cooperates with the oil filling panel 206 to slide along the bottom outer wall of the right-angle tube 205 through the elastic action of the elastic spring 210, so that the oil filling panel 206 carries the movable ball 208 to stick to the inner side surface of the hole as it descends, thereby avoiding the situation where the oil filling panel 206 cannot enter the inside of the hole due to the deviation between the movement of the helical gear and the descending speed of the oil filling pipe 204, and can also adapt to helical gear holes of different inner diameters.

[0038] like Figures 1-8 As shown, a shaft assembly mechanism 4 is provided on one side of the lifting drive mechanism 201, and a mechanical arm 5 is provided on one side of the shaft assembly mechanism 4, and a flexible clamping claw 6 is provided at the end of the mechanical arm 5. A conveyor belt 7 is provided below the shaft assembly mechanism 4, and a mobile carrier 8 is provided on the surface of the conveyor belt 7, and a motor housing 9 is placed on the surface of the mobile carrier 8;

[0039] The specific operation is as follows: during the oiling operation, the motor housing 9 is pre-placed on the mobile carrier 8, and the conveyor belt 7 is started to enable the mobile carrier 8 to carry the motor housing 9 to the assembly position. After the oiling is completed, the helical gear slides back with the electric pulley 104 and moves to the shaft assembly mechanism 4. At this time, the robotic arm 5 adjusts the angle and uses the flexible clamp 6 to clamp the helical gear and place it on the assembly position of the shaft assembly mechanism 4, and then the shaft assembly mechanism 4 assembles the shaft and the helical gear together. The specific structural principle of the shaft assembly mechanism 4 is the existing public technology, so it will not be repeated. The helical gear after the shaft is assembled is clamped by the flexible clamp 6 again and assembled into the motor housing 9 after adjusting the angle by the robotic arm 5, thereby completing the assembly.

[0040] In summary, when the helical gear assembly robot is used, the helical gear to be oiled is first placed on the supporting plate 105, and the supporting plate 105 is carried by the electric pulley 104 to slide along the surface of the guide rail 101. When the laser positioning sensor detects that the hole position of the helical gear is directly below the oil filling pipe 204, the lifting drive mechanism 201 drives the horizontal rail 202 and the oil filling frame 203 to descend, so that the oil filling pipe 204 carries the oil filling panel 206 to descend into the hole position of the helical gear. If there is a slight deviation or the inner diameter of the hole position is small during the descent process, the guide arc piece 209 will first contact the top of the hole position. During the descent process, the guide arc piece 209 is subjected to force so that the oil filling panel 206 applies pressure to the elastic spring 210 to contract it, thereby causing the oil filling panel 206 to slide on the outer wall of the right-angle tube 205, thereby reducing the distance between the oil filling panel 206 and the oil filling pipe 204, so that the oil filling panel 206 can enter the hole position of the helical gear.

[0041] After the oil injection panel 206 enters the bevel gear hole, the outer side of the oil injection panel 206 is pushed to the inner side of the hole under the action of the elastic spring 210, and the movable ball 208 is attached to the inner side of the hole. The electric trolley 104 keeps moving, and the oil injection panel 206 is forced to push the oil injection frame 203 to translate along the surface of the horizontal rail 202. In the process of translation, the oil injection pipe 204 injects oil into the inside of the oil injection panel 206 through the right-angle pipe 205, and the lubricating oil flows out of the oil injection hole 207 and directly flows to the inner side of the hole;

[0042] During the movement of the electric trolley 104, the transmission gear 107 rolls along the surface of the rack 103 to drive the oil passing cylinder 106 to drive the supporting disc 105 to rotate the bevel gear. Thus, during the synchronous movement of the bevel gear and the oil injection panel 206, the inner side of the hole of the bevel gear keeps in contact with the movable ball 208 and rotates, so that the lubricating oil flowing out of the oil injection hole 207 is coated on different side positions of the hole, thereby making the sides of the inside of the hole uniformly adhere to the lubricating oil. After the bevel gear moves and rotates for several rounds, the lifting driving mechanism 201 drives the horizontal rail 202 and the oil injection frame 203 to rise, so that the oil injection panel 206 is separated from the inside of the hole. At this time, the oil injection panel 206 loses the force and resets itself with the oil injection frame 203 under the elastic action of the elastic spring 210 and the horizontal spring to wait for the next round of oil injection operation. The electric trolley 104 carries the bevel gear to move to the next process;

[0043] After the oil injection is completed, the lubricating oil attached to the inner side of the hole slides down under the action of gravity and falls into the oil passing cylinder 106. With the lubricating oil sliding down in each round of oil injection operation, the dripping lubricating oil enters the inside of the transmission gear 107 along the oil passing cylinder 106, and then flows out from the oil outlet hole 108 on the outer side of the transmission gear 107. When the transmission gear 107 rolls along the surface of the rack 103 due to the movement of the electric trolley 104, the flowing lubricating oil can be attached to the surface of the transmission gear 107 and the rack 103, thereby lubricating the engagement of the transmission gear 107 and the rack 103;

[0044] The lubricating oil attached to the surface of the transmission gear 107 and the rack 103 also falls to the bottom of the groove 102 due to gravity, and the bottom of the groove 102 is designed with a slope to make the lubricating oil gather to the low end and finally flow to the oil recovery tank through the funnel pipe 3 for recovery;

[0045] In the oiling operation, the motor shell 9 is placed on the moving carrier 8 in advance, and the moving carrier 8 carrying the motor shell 9 is moved to the assembling position by starting the conveying belt 7, and the helical gear after the oiling operation is moved to the shaft body assembling mechanism 4 by the electric trolley 104, at this time, the mechanical arm 5 is adjusted in angle and the helical gear is clamped by the flexible clamp jaw 6 and placed on the assembling position of the shaft body assembling mechanism 4, and then the shaft body and the helical gear are assembled together by the shaft body assembling mechanism 4, the specific structure of the shaft body assembling mechanism 4 is the existing public technology, so it is not described here, and the helical gear after the shaft body assembling is clamped by the flexible clamp jaw 6 again and assembled to the inside of the motor shell 9 by the mechanical arm 5 adjusting the angle, thereby the assembling is completed.

[0046] Embodiments of the application are presented for the purpose of illustration and description, and not by way of limitation or limitation of the application. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and practical application of the application, and to enable others skilled in the art to understand the application in order to design various embodiments with various modifications for specific uses.

Claims

1. An assembly robot for helical gear assembly, comprising a conveying component (1) and an oiling component (2), characterized in that: The conveying assembly (1) includes a guide rail (101), and a groove (102) is provided on the surface of the guide rail (101), and a rack (103) is provided on one side of the inner wall of the groove (102). The surface of the guide rail (101) is slidably connected to an electric pulley (104), and the top surface of the electric pulley (104) is rotatably connected to a supporting plate (105), and an oil cylinder (106) is fixed to the bottom of the supporting plate (105), and a transmission gear (107) is fixed to the bottom of the oil cylinder (106). The side of the transmission gear (107) is provided with an oil outlet hole (108) in a ring shape. The oil filling assembly (2) includes a lifting drive mechanism (201) arranged on one side of the end of the guide rail (101), and a horizontal rail (202) is fixed to the end of the lifting drive mechanism (201). The interior of the horizontal rail (202) is connected to an oil filling frame (203) through a horizontal spring, and an oil filling pipe (204) is provided in the middle of the oil filling frame (203). The bottom of the oil filling pipe (204) is sleeved with a right-angle pipe (20 5), and the outer wall of the right-angle tube (205) is provided with an oil filling panel (206) through an elastic spring (210), an oil filling hole (207) is opened on the side of the outer side of the oil filling panel (206), and a movable ball (208) is embedded in the middle of the outer side of the oil filling panel (206), and a guide arc piece (209) is provided at the bottom of the oil filling panel (206), the transmission gear (107) is meshed with the rack (103), and the supporting plate (105) passes through the oil cylinder (106), the transmission The gear (107) and the rack (103) are connected to the electric pulley (104) in a transmission manner. A shaft assembly mechanism (4) is provided on one side of the lifting drive mechanism (201), and a mechanical arm (5) is provided on one side of the shaft assembly mechanism (4). A flexible clamping claw (6) is provided at the end of the mechanical arm (5). A conveyor belt (7) is provided below the shaft assembly mechanism (4), a mobile carrier (8) is provided on the surface of the conveyor belt (7), and a motor housing (9) is placed on the surface of the mobile carrier (8).

2. The assembly robot for helical gear assembly according to claim 1, characterized in that: The bottom of the inner wall of the groove (102) is sloped, and the slope is 2°.

3. The assembly robot for helical gear assembly according to claim 2, characterized in that: A funnel tube (3) is provided at the lower end of the bottom of the inner wall of the groove (102), and the end of the funnel tube (3) is connected to an oil recovery tank.

4. The assembly robot for helical gear assembly according to claim 1, characterized in that: The oil filling pipe (204) and the helical gear are arranged one-to-one, and the helical gear is placed on the surface of the supporting plate (105).

5. The assembly robot for helical gear assembly according to claim 1, characterized in that: The outer wall of the guide arc piece (209) is provided with a flexible rubber sleeve, and the bottom of the guide arc piece (209) is located directly below the oil injection pipe (204).

6. The assembly robot for helical gear assembly according to claim 1, characterized in that: A laser positioning sensor is provided at the bottom of the oil filling rack (203), and the laser positioning sensor is used to locate the position of the helical gear hole.

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