Four-station automatic laser welding equipment for stator core of automobile driving motor

Abstract

The utility model discloses four-station automatic laser welding equipment for a stator core of an automobile driving motor, which comprises a four-station rotating platform. A feeding pre-pressing station, a pre-pressing measuring station, a welding station and a stripping station are arranged on the periphery of the four-station rotating platform. The automatic welding machine is reasonable and simple in structure, low in production cost, convenient to install and complete in function, manual operation links are greatly reduced through the automatic processes of feeding, pre-pressing, welding and discharging, labor cost is reduced, errors caused by human factors are avoided, the production process is more stable and controllable, and therefore the consistency and quality of products are improved; according to the utility model, the unique design of four stations is adopted, and tight connection and efficient cooperation of feeding, pre-pressing, welding and discharging processes are realized. And each station performs its own function and operates in order, so that the production cycle is greatly shortened, and the production efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the field of automobile drive motor production assistance, in particular to a four-station automatic laser welding equipment for the stator core of an automobile drive motor. Background Technique

[0002] In the welding production of the stator core of an automobile drive motor, there are many problems to be solved. On the one hand, the automation degree of the existing welding technology is generally low, and it relies heavily on manual operation, which not only increases the labor cost, but also easily introduces errors due to human factors, resulting in difficulty in ensuring product consistency and quality. On the other hand, the connection of the production process is not tight enough, and the station setting is not reasonable enough, which seriously affects the production efficiency and cannot meet the large demand for the stator core of the automobile drive motor in the market.

[0003] In some traditional welding equipment, due to the lack of a four-station efficient collaborative design like the present utility model, the processes of loading, pre-pressing, welding, and unloading cannot be smoothly connected, and the production cycle is long. Therefore, a four-station automatic laser welding equipment for the stator core of an automobile drive motor is proposed. Content of the Utility Model

[0004] The purpose of the present utility model is to provide a four-station automatic laser welding equipment for the stator core of an automobile drive motor to solve the problem that in some traditional welding equipment, due to the lack of a four-station efficient collaborative design like the present utility model, the processes of loading, pre-pressing, welding, and unloading cannot be smoothly connected, and the production cycle is long.

[0005] To solve the above problems, the present utility model provides a technical solution: a four-station automatic laser welding equipment for the stator core of an automobile drive motor, including a four-station rotating platform; a loading and pre-pressing station, a pre-pressing and measuring station, a welding station, and a blanking station are respectively arranged on the outer periphery of the four-station rotating platform; a pre-pressing component is arranged at the loading and pre-pressing station; a pre-pressing component and a ranging sensor are arranged at the pre-pressing and measuring station; a laser welder is arranged at the welding station; a coding machine is arranged at the blanking station; four jigs are arranged on the four-station rotating platform; a blanking component is arranged on the outer periphery of the jig.

[0006] The jig is rotationally connected to the rotating disk and is driven to rotate by a rotating mechanism.

[0007] Preferably, the four-station rotary platform includes a base, a rotating shaft, a motor, a first gear, a second gear, and a rotating disk; a rotating shaft is connected to the middle end inside the base chamber; a motor is fixedly connected inside the base chamber, and a first gear is fixedly connected to the output shaft of the motor; a second gear is fixedly connected to the upper end of the rotating shaft, and the second gear and the first gear are meshed with each other; a rotating disk is fixedly connected to the top end of the rotating shaft; a loading and pre-pressing station, a pre-pressing and measuring station, a welding station, and a blanking station are arranged on the base and located on the outer periphery of the rotating disk (6).

[0008] Preferably, the specific structure of the pre-pressing assembly is as follows: it includes a mounting frame, a bushing, a hydraulic cylinder, a connecting plate, a connecting rod, and a pressing head; a mounting frame is fixedly connected to the loading and pre-pressing station; bushings are connected to both sides of the upper end of the mounting frame; a hydraulic cylinder is fixedly connected to the upper end of the mounting frame, a connecting plate is fixedly connected to the output end of the hydraulic cylinder, and connecting rods are arranged on both sides of the connecting plate; the connecting rods are connected in the bushings; the pressing head is installed on the connecting plate through a follower bearing.

[0009] Preferably, the connecting rod is slidably connected in the bushing.

[0010] Preferably, the laser welder is a three-axis welding module. A laser welding head is installed on the Z axis of the three-axis welding module, and a dust extraction port is installed above the laser welding head. The laser welding head and the dust extraction port are driven by the Z-axis module to control their up and down movement.

[0011] Preferably, a pair of laser welders are arranged at the welding station; a pressure-feeding component is also arranged between the laser welders; the pressure-feeding component has the same structure as the pre-pressing component.

[0012] Preferably, the distance measuring sensor is installed on the connecting plate of the pre-pressing component; the output end of the hydraulic cylinder is provided with a connecting plate through a pressure sensor.

[0013] Preferably, the blanking component includes a blanking top plate, guide rods, a cylinder fixing plate, and an ejecting cylinder arranged on the outer periphery of the tool; the top of the guide rod is connected to the blanking top plate; a through groove for the positioning pin to pass through is arranged on the blanking top plate; the bottom of the guide rod is connected to the cylinder fixing plate below the rotating disk; the bottom end of the cylinder fixing plate is connected to the ejecting cylinder; the ejecting cylinder is fixed below the rotating disk.

[0014] Preferably, a blanking manipulator is arranged outside the blanking station.

[0015] The beneficial effects of the present utility model are as follows:

[0016] (1) The structure of the utility model is reasonable and simple, with low production cost, convenient installation and complete functions. The rotating disk realizes the station switching through the drive of the motor, the first gear and the second gear, so that multiple processes are orderly integrated on the same device, reducing the intermediate links and greatly improving the production efficiency.

[0017] (2) The coordinated work of the four stations (loading and pre-pressing station, pre-pressing and measuring station, welding station, and blanking station) of the utility model, combined with components such as the pre-pressing assembly, distance measuring sensor, welder and coder, makes the processing process compact and orderly, avoiding the waiting between processes and further improving the production capacity.

[0018] (3) The special devices equipped for each station of the utility model, such as the pre-pressing assembly at the loading and pre-pressing station, the distance measuring sensor at the pre-pressing and measuring station, the welder at the welding station and the coder at the blanking station, have clear division of labor and work together to ensure the accuracy and reliability of each process. Brief Description of the Drawings

[0019] Figure 1 It is a schematic structural view of the motor stator core of the utility model.

[0020] Figure 2 It is a schematic structural view of the utility model.

[0021] Figure 3 It is a partial top view of the utility model.

[0022] Figure 4 It is a schematic structural view of the position of the positioning pin of the utility model.

[0023] Figure 5 It is a schematic structural view of the pre-pressing assembly of the utility model.

[0024] Figure 6 It is a schematic structural view of the welder of the utility model.

[0025] Figure 7 It is a schematic view of the blanking assembly.

[0026] 1 - Base; 2 - Rotating shaft; 3 - Motor; 4 - First gear; 5 - Second gear; 6 - Rotating disk; 7 - Loading and pre-pressing station; 8 - Pre-pressing and measuring station; 9 - Welding station; 10 - Blanking station; 11 - Mould; 12 - Positioning pin; 13 - Pre-pressing assembly; 1301 - Mounting frame; 1302 - Bush; 1303 - Hydraulic cylinder; 1304 - Connecting plate; 1305 - Connecting rod; 1306 - Pressing head; 14 - Distance measuring sensor; 15 - Welder; 16 - Coder; 17 - Blanking assembly; 171 - Blanking plate; 172 - Guide rod; 173 - Cylinder fixing plate; 174 - Ejecting cylinder. Detailed Description of the Invention

[0027] As shown in Figures 1 to 3 the following, this specific embodiment adopts the following technical solution: An automatic laser welding equipment for the stator core of an automotive drive motor, including a four-station rotary platform. The four-station rotary platform includes a base 1, a rotating shaft 2, a motor 3, a first gear 4, a second gear 5, a rotating disk 6, a loading and pre-pressing station 7, a pre-pressing and measuring station 8, a welding station 9, a blanking station 10, a tooling 11, a positioning pin 12, a pre-pressing assembly 13, a ranging sensor 14, a welding device 15 and a coding device 16; A rotating shaft 2 is connected to the middle end inside the chamber of the base 1; A motor 3 is fixedly connected inside the chamber of the base 1, and a first gear 4 is fixedly connected to the output shaft of the motor 3; A second gear 5 is fixedly connected to the upper end of the rotating shaft 2, and the second gear 5 and the first gear 4 are meshed with each other; A rotating disk 6 is fixedly connected to the top end of the rotating shaft 2. The loading and pre-pressing station 7, the pre-pressing and measuring station 8, the welding station 9 and the blanking station 10 are arranged on the base, outside the circumference of the rotating disk 6. The tooling 11 is rotatably connected to the rotating disk 6 and is driven to rotate by a rotating mechanism; The positioning pin 12 is arranged on the outer circumference of the tooling 11.

[0028] The loading and pre-pressing station 7, the pre-pressing and measuring station 8, the welding station 9 and the blanking station 10 are respectively arranged on the outer circumference of the four-station rotary platform.

[0029] The loading and pre-pressing station 7 of this embodiment is provided with a pre-pressing assembly 13. The specific structure of the pre-pressing assembly 13 is: including a mounting frame 1301, a bushing 1302, a hydraulic cylinder 1303, a connecting plate 1304, a connecting rod 1305 and a pressing head 1306; The mounting frame 1301 is fixedly connected to the loading and pre-pressing station 7; The two sides of the upper end of the mounting frame 1301 are connected with bushings 1302; A hydraulic cylinder 1303 is fixedly connected to the upper end of the mounting frame 1301, a connecting plate 1304 is fixedly connected to the output end of the hydraulic cylinder 1303, and connecting rods 1305 are arranged on both sides of the connecting plate 1304; The connecting rod 1305 is connected in the bushing 1302; A pressing head 1306 is connected to the bottom end of the connecting plate 1304. The connecting rod 1305 is slidably connected in the bushing 1302; The pressing head 1306 is installed on the connecting plate 1304 through a follower bearing.

[0030] The pre-pressing and measuring station 8 of this embodiment is provided with a pre-pressing assembly 13 and a ranging sensor 14; The ranging sensor 14 is arranged on the connecting plate 1304 of the pre-pressing assembly 13.

[0031] This embodiment is provided with a laser welding device 15 at the welding station 9; The laser welding device 15 is a three-axis welding module. A laser welding head 151 is installed on the Z axis of the three-axis welding module, and a dust extraction port 152 is installed above the laser welding head 151. The laser welding head 151 and the dust extraction port 152 are driven by the Z-axis module to control their up and down movement.

[0032] In this embodiment, a pair of laser welders 15 are arranged at the welding station; a pressure component is also arranged between the laser welders 15; the pressure component has the same structure as the pre-pressure component. During welding, the pressure component presses the workpiece tightly, and the laser welders 15 perform welding. After welding one weld seam, the pressing component lifts up. After the rotating component controls the lifting and rotating to a specific angle, the pressure component continues to press the workpiece tightly to perform welding of the next weld seam.

[0033] In this embodiment, a coder 16 is arranged at the blanking station 10; a blanking component 17 is arranged on the outer periphery of the tool 11.

[0034] After welding is completed at the welding station, it rotates to the blanking station, the coder 16 codes, the blanking component 17 works, lifts the workpiece up, and unloads the workpiece.

[0035] As Figures 1 to 6 shown, the blanking component 17 includes a blanking top plate 171 arranged on the outer periphery of the tool 11, a guide rod 172, a cylinder fixing plate 173, and an ejecting cylinder 174; the top of the guide rod 172 is connected to the blanking top plate 171; a through groove for the positioning pin to pass through is arranged on the blanking top plate 171; the bottom of the guide rod 172 is connected to the cylinder fixing plate 173 below the rotating disk 6; the bottom end of the cylinder fixing plate 173 is connected to the ejecting cylinder 174; the ejecting cylinder 174 is fixed below the rotating disk 6.

[0036] A blanking manipulator is also arranged outside the blanking station.

[0037] The usage state of the present utility model is as follows: The structure of the present utility model is reasonable and simple, the production cost is low, the installation is convenient, and the functions are complete. When in use, first place the stator core of the automotive drive motor to be processed on the tool 11 at the loading and pre-pressing station 7, and perform precise positioning through the positioning pin 12. The motor 3 starts, and the first gear 4 fixedly connected to its output shaft rotates, driving the second gear 5 meshing with it to rotate, thereby rotating the rotating shaft 2. The rotating disk 6 fixedly connected to the top end of the rotating shaft 2 rotates accordingly. When the stator core rotates to the loading and pre-pressing station 7 with the rotating disk 6, the hydraulic cylinder 1303 on the mounting frame 1301 starts, pushing the connecting plate 1304 to move downward. The connecting rods 1305 on both sides of the connecting plate 1304 slide in the bushings 1302, driving the pressure head 1306 to perform pre-pressing treatment on the stator core. Then, the rotating disk 6 rotates the stator core to the pre-pressing and measuring station 8, and the pre-pressing component at the pre-pressing and measuring station 8 continues to work. The distance measuring sensor 14 measures the height of the pre-pressed stator core. The rotating disk 6 continues to rotate, bringing the stator core to the welding station 9, and the welder 15 performs welding operations on it. Finally, the rotating disk 6 sends the stator core to the blanking station 10, the coder 16 completes the coding work on the stator core, and the blanking component unloads the material, improving the automation degree and efficiency of production throughout the process.

[0038] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

[0039] The control mode of the present utility model is controlled by manually starting and closing the switch. The wiring diagram of the power element and the provision of the power supply belong to the common general knowledge in the art, and the present utility model is mainly used to protect mechanical devices. Therefore, the control mode and wiring arrangement of the present utility model will not be further explained in detail.

Claims

1. An automatic four-station laser welding equipment for the stator core of an automotive drive motor, characterized in that: It includes a four-station rotary platform; there are respectively a loading and pre-pressing station (7), a pre-pressing and measuring station (8), a welding station (9) and a stripping station (10) arranged on the outer periphery of the four-station rotary platform; a pre-pressing assembly (13) is arranged at the loading and pre-pressing station (7); a pre-pressing assembly (13) and a ranging sensor (14) are arranged at the pre-pressing and measuring station (8); a laser welder (15) is arranged at the welding station (9); a coder (16) is arranged at the stripping station (10); four jigs (11) are arranged on the four-station rotary platform; a stripping assembly (17) is arranged on the outer periphery of the jig (11). The jig (11) is rotatably connected to the rotary disk (6) and is driven to rotate by a rotating mechanism; positioning pins (12) are arranged on the outer periphery of the jig (11).

2. An automatic four-station laser welding equipment for the stator core of an automotive drive motor according to claim 1, characterized in that: The four-station rotary platform includes a base (1), a rotating shaft (2), a motor (3), a first gear (4), a second gear (5), and a rotary disk (6); the middle end inside the chamber of the base (1) is connected with a rotating shaft (2); a motor (3) is fixedly connected inside the chamber of the base (1), and a first gear (4) is fixedly connected to the output shaft of the motor (3); the upper end of the rotating shaft (2) is fixedly connected with a second gear (5), and the second gear (5) and the first gear (4) are meshed with each other; the top end of the rotating shaft (2) is fixedly connected with a rotary disk (6); the loading and pre-pressing station (7), the pre-pressing and measuring station (8), the welding station (9) and the stripping station (10) are arranged on the base and are located on the outer periphery of the rotary disk (6).

3. The four-station automatic laser welding equipment for the stator core of an automotive drive motor according to claim 1, characterized in that: The specific structure of the pre-pressing assembly (13) is as follows: it includes a mounting frame (1301), a bushing (1302), a hydraulic cylinder (1303), a connecting plate (1304), a connecting rod (1305) and a pressing head (1306); a mounting frame (1301) is fixedly connected at the loading and pre-pressing station (7); bushings (1302) are connected to both sides of the upper end of the mounting frame (1301); a hydraulic cylinder (1303) is fixedly connected to the upper end of the mounting frame (1301), a connecting plate (1304) is fixedly connected to the output end of the hydraulic cylinder (1303), and connecting rods (1305) are arranged on both sides of the connecting plate (1304); the connecting rod (1305) is connected in the bushing (1302); the pressing head (1306) is installed on the connecting plate (1304) through a follower bearing.

4. The four-station automatic laser welding equipment for the stator core of an automotive drive motor according to claim 3, characterized in that: The connecting rod (1305) is slidably connected in the bushing (1302).

5. The four-station automatic laser welding equipment for the stator core of an automotive drive motor according to claim 1, characterized in that: The laser welder (15) is a three-axis welding module. A laser welding head (151) is installed on the Z axis of the three-axis welding module, and a dust extraction port (152) is installed above the laser welding head (151). The laser welding head (151) and the dust extraction port (152) are driven by the Z-axis module to control their up and down movement.

6. The four-station automatic laser welding equipment for the stator core of an automotive drive motor according to claim 1, characterized in that: A pair of laser welders (15) are arranged at the welding station; a pressure-feeding assembly is also arranged between the laser welders (15); the pressure-feeding assembly has the same structure as the pre-pressing assembly.

7. The four-station automatic laser welding equipment for the stator core of an automotive drive motor according to claim 1, characterized in that: The described distance measuring sensor (14) is installed on the connecting plate (1304) of the preloading assembly (13); the output end of the hydraulic cylinder (1303) is provided with a connecting plate (1304) through a pressure sensor.

8. The four-station automatic laser welding equipment for the stator core of an automobile drive motor according to claim 1 is characterized in that: The described stripping assembly (17) includes a stripping top plate (171), guide rods (172), a cylinder fixing plate (173), and an ejecting cylinder (174) arranged on the outer periphery of the mold (11); the top of the guide rod (172) is connected to the stripping top plate (171); a through groove for a positioning pin to pass through is arranged on the stripping top plate (171); the bottom of the guide rod (172) is connected to the cylinder fixing plate (173) below the rotating disc (6); the bottom end of the cylinder fixing plate (173) is connected to the ejecting cylinder (174); the described ejecting cylinder (174) is fixed below the rotating disc (6).

9. The four-station automatic laser welding equipment for the stator core of an automotive drive motor according to claim 1, characterized in that: A blanking manipulator is arranged outside the described stripping station (10).

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