New energy electric drive assembly line motor end cover assembling machine

Abstract

The invention relates to the technical field of new energy electric drive assembly lines, in particular to a new energy electric drive assembly line motor end cover combining machine which comprises an integrated shell conveying line, an integrated shell tray for sliding feeding along the integrated shell conveying line, a combining frame penetrating through the integrated shell conveying line and a rear cover tray arranged above the integrated shell conveying line. The rear cover feeding linear motor is used for driving the rear cover tray to stretch into or stretch out of the combining frame, a clamping and press-fitting mechanism, an integrated shell positioning assembly and a screw hitting assembly are installed on the combining frame, and a tray positioning mechanism is arranged on the integrated shell conveying line. The clamping and pressing mechanism is used for clamping the rear end cover on the rear cover tray and pressing the rear end cover on the integrated shell on the integrated shell tray; according to the invention, the motor rear end cover can be positioned, displacement of the bearing entering the bearing chamber and the end cover entering the pin due to the fact that the rotor in the integrated shell is attracted to deviate during assembly is avoided, and the assembly quality of the motor rear end cover is improved.

Description

Technical Field

[0001] This invention relates to the field of new energy electric drive assembly line technology, specifically to a new energy electric drive assembly line motor end cover assembly machine. Background Technology

[0002] During the assembly of drive motors for new energy vehicles, a rear end cover needs to be installed on a one-piece housing. However, when using existing motor end cover assembly equipment, the rotor inside the one-piece housing is attracted by magnetic force, the bearing enters the bearing chamber, and the end cover enters the pin, which can easily cause over-positioning. This can lead to displacement of the rear end cover during assembly, making it difficult to meet the assembly quality requirements. Summary of the Invention

[0003] To achieve the above objectives, this invention designs a motor end cover assembly machine for a new energy electric drive assembly line, which can position the motor end cover and prevent displacement caused by magnetic attraction of the rotor inside the integrated housing, bearing insertion into the bearing chamber, and end cover insertion into the pin during assembly, thereby improving the assembly quality of the motor end cover.

[0004] The following technical solution is adopted: a new energy electric drive assembly line motor end cover assembly machine, including an integrated shell conveyor line, an integrated shell tray that slides along the integrated shell conveyor line, an assembly frame that passes through the integrated shell conveyor line, a rear cover tray set above the integrated shell conveyor line, a rear cover feeding linear motor used to drive the rear cover tray to extend into or out of the assembly frame, the assembly frame is equipped with a clamping and pressing mechanism, an integrated shell positioning component and a screw-driving component, a tray positioning mechanism is set on the integrated shell conveyor line, the clamping and pressing mechanism is set directly above the tray positioning mechanism, the clamping and pressing mechanism is used to clamp and press the rear end cover on the rear cover tray onto the integrated shell on the integrated shell tray.

[0005] Furthermore, the pallet positioning mechanism includes a lifting plate, multiple primary lifting cylinders for driving the lifting plate to rise or fall, a base frame for mounting the primary lifting cylinders, secondary lifting cylinders vertically mounted on the lifting plate, and multiple abutment cylinders horizontally fixed on the lifting plate. Two positioning slide rails are horizontally arranged on the base frame, and the two positioning slide rails are slidably connected by two positioning carriages. A carriage cylinder is provided on the base frame, and the carriage cylinder is used to drive the two positioning carriages to move away from or closer to each other. Multiple upper support columns are provided at the bottom of the lifting plate, and a lower support column is provided on the positioning carriage directly opposite the upper support columns. An abutment frame is driven and connected to the piston rod of the abutment cylinder, and a pressing abutment column is provided on the abutment frame. The abutment cylinder is used to drive the abutment frame to move laterally, so that the pressing abutment column is directly opposite the integrated shell pallet. The base frame is mounted on the mounting frame of the integrated shell conveyor line.

[0006] Furthermore, the rear cover tray is provided with multiple tray positioning posts, the tops of which form a feeding position adapted to the shape of the rear cover; the clamping and pressing mechanism includes a clamping seat, a clamping lifting cylinder for driving the clamping seat to rise or fall, a floating plate located below the clamping seat, multiple floating components for connecting the floating plate and the clamping seat, the clamping lifting cylinder being mounted on the assembly frame, multiple clamping abutment posts being provided at the bottom of the floating plate, and multiple spinning cylinders being arranged around the multiple clamping abutment posts, the spinning cylinders being mounted on the floating plate, with the piston rod head extending vertically downwards to drive and connect to the spinning head.

[0007] Furthermore, the floating assembly includes a floating shaft with its bottom end fixed to a floating plate, an upper fixing ring and a lower fixing ring sleeved on the floating shaft, a floating hole provided on the clamping seat facing the floating shaft, an upper bearing ring fixedly connected to the upper fixing ring, a lower bearing ring fixedly connected to the upper plane bearing of the clamping seat, an upper bearing ring fixedly connected to the clamping seat, and a lower bearing ring fixedly connected to the lower plane bearing of the lower fixing ring. The inner diameter of the floating hole is larger than the outer diameter of the floating shaft.

[0008] Furthermore, the screw-driving assembly includes two sets of automatic screw-driving machines and robotic arms used to drive the automatic screw-driving machines to move forward, backward, left, right, up, and down. The robotic arm includes a horizontal servo linear motor fixed on the assembly frame. The movable end of the horizontal servo linear motor is driven and connected to a vertical servo linear motor. The movable end of the vertical servo linear motor is driven and connected to a vertical servo linear motor. The automatic screw-driving machine is installed at the output end of the vertical servo linear motor.

[0009] Furthermore, the integrated shell positioning assembly includes a first side positioning mechanism, a second side positioning mechanism, and a third side positioning mechanism, which are arranged in a triangular configuration.

[0010] Furthermore, the side positioning mechanism one, side positioning mechanism two, and side positioning mechanism three each include a horizontal servo linear motor two fixed on the assembly frame. The movable end of the horizontal servo linear motor two is driven and connected to a vertical servo linear motor two. The movable end of the vertical servo linear motor two is driven and connected to a longitudinal servo linear motor two. The output end of the longitudinal servo linear motor two is driven and connected to a pressing head.

[0011] Furthermore, it also includes a PLC control box, and the rear cover feeding linear motor, clamping and pressing mechanism, integrated shell positioning assembly, screw-driving assembly and pallet positioning mechanism are all electrically connected to the PLC control box.

[0012] The beneficial effects of this invention are:

[0013] In practical applications, the integrated shell is loaded onto the integrated shell tray, positioned by the tray positioning mechanism and the integrated shell positioning component. The rear cover is manually placed onto the rear cover tray, and the rear cover loading linear motor drives the rear cover tray to load the rear cover into the assembly frame. The rear cover is clamped and pressed onto the integrated shell by the clamping and pressing mechanism, and the rear cover and the integrated shell are automatically connected by screws by the screw-driving component. This invention can position the motor rear cover, avoiding displacement caused by the rotor being attracted by magnetic force inside the integrated shell, the bearing entering the bearing chamber, and the end cover entering the pin during assembly, thus improving the assembly quality of the motor rear cover. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2 This is a structural schematic diagram of the integrated shell tray and the tray positioning mechanism in this invention;

[0016] Figure 3 This is a schematic diagram of the clamping and pressing mechanism in this invention;

[0017] Figure 4 This is a front view of the clamping seat and floating plate in this invention;

[0018] Figure 5 yes Figure 4 Sectional view at point AA;

[0019] Figure 6 This is a schematic diagram of the screw-driving assembly in this invention;

[0020] Figure 7 This is a schematic diagram of the structure of the rear cover tray, the rear cover feeding linear motor, the integrated shell positioning assembly, and the tray positioning mechanism in this invention;

[0021] Figure 8 This is a schematic diagram of the integrated shell positioning assembly in this invention;

[0022] Figure 9 This is a top view of the integrated shell positioning assembly and the pallet positioning mechanism in this invention;

[0023] Reference numerals: 1. Integrated shell conveyor line; 2. Integrated shell pallet; 3. Assembly frame; 4. Rear cover pallet; 41. Pallet positioning post; 5. Rear cover feeding linear motor; 6. Clamping and pressing mechanism; 61. Clamping seat; 62. Clamping lifting cylinder; 63. Floating plate; 64. Floating assembly; 641. Floating shaft; 642. Upper fixing ring; 643. Lower fixing ring; 644. Upper flat bearing; 645. Lower flat bearing; 65. Clamping abutment post; 66. Spinning cylinder; 67. Spinning head; 7. Integrated shell positioning assembly; 71. Side positioning mechanism one; 72. Side positioning mechanism two; 73. Side positioning mechanism three; 74. Lateral servo motor. Linear motor 2 701; Vertical servo linear motor 2 702; Longitudinal servo linear motor 2 703; Pressing head 704; Screw driving assembly 8; Automatic screw driving machine 81; Horizontal servo linear motor 1 821; Longitudinal servo linear motor 1 822; Vertical servo linear motor 1 823; Pallet positioning mechanism 9; Lifting plate 91; Primary lifting cylinder 92; Base frame 93; Positioning slide rail 931; Secondary lifting cylinder 94; Abutting cylinder 95; Positioning slide 96; Slide cylinder 97; Upper support column 98; Lower support column 99; Abutting frame 910; Press-fitting abutting column 911. Detailed Implementation

[0024] like Figures 1-9 As shown, the new energy electric drive assembly line motor end cover assembly machine includes an integrated shell conveyor line 1, an integrated shell tray 2 that slides along the integrated shell conveyor line 1 for feeding, an assembly frame 3 that passes through the integrated shell conveyor line 1, a rear cover tray 4 disposed above the integrated shell conveyor line 1, a rear cover feeding linear motor 5 used to drive the rear cover tray 4 to extend into or out of the assembly frame 3, a clamping and pressing mechanism 6, an integrated shell positioning component 7 and a screw-driving component 8 installed on the assembly frame 3, a tray positioning mechanism 9 disposed on the integrated shell conveyor line 1, and the clamping and pressing mechanism 6 disposed directly above the tray positioning mechanism 9. The clamping and pressing mechanism 6 is used to clamp and press the rear end cover on the rear cover tray 4 onto the integrated shell on the integrated shell tray 2.

[0025] In use, the integrated shell is loaded onto the integrated shell tray 2, the tray positioning mechanism 9 positions the integrated shell tray 2, and the integrated shell positioning component 7 positions the integrated shell. The rear end cover is manually placed onto the rear cover tray 4. The rear cover loading linear motor 5 drives the rear cover tray 4 to load the rear end cover into the assembly frame 3. The clamping and pressing mechanism 6 clamps the rear end cover and presses it onto the integrated shell. The screw-driving component 8 automatically drives screws to connect the rear end cover and the integrated shell. This invention can position the motor rear end cover, avoiding displacement caused by the rotor being attracted by magnetic force inside the integrated shell, the bearing entering the bearing chamber, and the end cover entering the pin during assembly, thus improving the assembly quality of the motor rear end cover.

[0026] like Figures 1-9As shown, the pallet positioning mechanism 9 includes a lifting plate 91, multiple primary lifting cylinders 92 for driving the lifting plate 91 to rise or fall, a base frame 93 for mounting the primary lifting cylinders 92, secondary lifting cylinders 94 vertically mounted on the lifting plate 91, and multiple abutment cylinders 95 horizontally fixed on the lifting plate 91. Two positioning slide rails 931 are horizontally arranged on the base frame 93, and the two positioning slide rails 931 are slidably connected by two positioning slides 96. A slide cylinder 97 is provided on the base frame 93, which drives the two positioning slides 96 to move away from or closer to each other. Multiple upper support columns 98 are provided at the bottom of the lifting plate 91, and lower support columns 99 are provided on the positioning slides 96 directly opposite the upper support columns 98. A piston rod of the abutment cylinder 95 is driven to connect to... A connecting frame 910 is provided, on which a pressing connecting post 911 is provided. A connecting cylinder 95 is used to drive the connecting frame 910 to move laterally, so that the pressing connecting post 911 is directly facing the integrated shell tray 2. The base frame 93 is installed on the mounting frame of the integrated shell conveyor line 1. In this embodiment, when the integrated shell tray 2 is moved directly above the lifting plate 91, the primary lifting cylinder 92 drives the lifting plate 91 to rise, and the slide cylinder 97 drives the two positioning slides 96 to move away from each other, so that the lower support post 99 moves laterally to the top to abut against the upper support post 98. At the same time, the secondary lifting cylinder 94 drives the integrated shell tray 2 to rise, and the connecting cylinder 95 drives the connecting frame 910 to move laterally, so that the pressing connecting post 911 is directly facing the integrated shell tray 2. The secondary lifting cylinder 94 drives the integrated shell tray 2 to fall, so that the integrated shell tray 2 falls onto the pressing connecting post 911, positioning the integrated shell tray 2.

[0027] like Figures 1-9As shown, the rear cover tray 4 is provided with multiple tray positioning posts 41, and the tops of the multiple tray positioning posts 41 form a loading position adapted to the shape of the rear cover; the clamping and pressing mechanism 6 includes a clamping seat 61, a clamping lifting cylinder 62 for driving the clamping seat 61 to rise or fall, a floating plate 63 disposed below the clamping seat 61, and multiple sets of floating components 64 for connecting the floating plate 63 and the clamping seat 61. The clamping lifting cylinder 62 is mounted on the assembly frame 3. The bottom of the floating plate 63 is provided with multiple clamping abutment posts 65, and multiple spinning cylinders 66 are arranged around the multiple clamping abutment posts 65. The spinning cylinders 66 are mounted on the floating plate 63, and the piston rods extend vertically downwards to drive and connect to the spinning head 67; In this embodiment, when loading the rear cover, the rear cover is manually placed... At the loading position composed of multiple pallet positioning posts 41, the rear cover loading linear motor 5 drives the rear cover pallet 4 to load the rear cover into the assembly frame 3. The clamping lifting cylinder 62 drives the clamping seat 61 to move down, so that the clamping abutment post 65 abuts against the rear cover. The spinning cylinder 66 drives the spinning head 67 to rotate, so that the spinning head 67 rotates from the outer edge of the rear cover to below the rear cover, lifting the rear cover. The clamping lifting cylinder 62 drives the clamping seat 61 to move up, the rear cover loading linear motor 5 drives the rear cover pallet 4 to reset, and the clamping lifting cylinder 62 drives the clamping seat 61 to move down again, so that the rear cover can be pressed onto the integrated shell. The floating component 64 allows the rear cover on the floating plate 63 to be finely adjusted back and forth and left and right, avoiding the rotor inside the integrated shell being attracted by magnetic force, the bearing entering the bearing chamber, and the end cover entering the pin, which would cause over-positioning and improve the assembly quality of the rear cover.

[0028] like Figures 1-9 As shown, the floating assembly 64 includes a floating shaft 641 with its bottom end fixed to a floating plate 63, an upper fixing ring 642 and a lower fixing ring 643 sleeved on the floating shaft 641, a floating hole 611 provided on the clamping seat 61 facing the floating shaft 641, an upper bearing ring fixedly connected to the upper fixing ring 642, a lower bearing ring fixedly connected to the upper plane bearing 644 of the clamping seat 61, and a lower plane bearing 645 fixedly connected to the clamping seat 61 and the lower bearing ring fixedly connected to the lower fixing ring 643. The inner diameter of the floating hole 611 is larger than the outer diameter of the floating shaft 641. In this embodiment, when the clamping lifting cylinder 62 drives the clamping seat 61 to move down again, the rear end cover can be pressed onto the integrated shell. The floating plate 63 can be finely adjusted back and forth and left and right within the floating hole 611 through the floating shaft 641. This avoids the rotor inside the integrated shell being attracted by magnetic force, the bearing entering the bearing chamber, and the end cover entering the pin, thus preventing over-positioning and improving the assembly quality of the rear end cover.

[0029] like Figures 1-9As shown, the screw-driving assembly 8 includes two sets of automatic screw-driving machines 81, and robotic arms used to drive the automatic screw-driving machines 81 to move forward, backward, left, right, and up and down. The robotic arms include a horizontal servo linear motor 821 fixed on the assembly frame 3. The movable end of the horizontal servo linear motor 821 is connected to a vertical servo linear motor 822, and the movable end of the vertical servo linear motor 822 is connected to a vertical servo linear motor 823. The automatic screw-driving machine 81 is installed at the output end of the vertical servo linear motor 823. In this embodiment, the automatic screw-driving machine 81 is driven to move left, right, forward, backward, and up and down by the horizontal servo linear motor 821, the vertical servo linear motor 822, and the vertical servo linear motor 823, so that the automatic screw-driving machine 81 can automatically screw on and drive screws onto the integrated shell and the rear end cover. The automatic screw-driving machine 81 is purchased and used directly, so its specific structure will not be described in detail.

[0030] like Figures 1-9 As shown, the integrated shell positioning assembly 7 includes a first side positioning mechanism 71, a second side positioning mechanism 72, and a third side positioning mechanism 73, which are arranged in a triangle. In this embodiment, the first side positioning mechanism 71, the second side positioning mechanism 72, and the third side positioning mechanism 73 are arranged in a triangle to clamp and position the outer end of the cylindrical integrated shell from three sides, resulting in a better positioning effect.

[0031] like Figures 1-9 As shown, the side positioning mechanism 1 71, side positioning mechanism 2 72, and side positioning mechanism 3 73 all include a horizontal servo linear motor 2 701 fixed on the assembly frame 3. The movable end of the horizontal servo linear motor 2 701 is driven and connected to a vertical servo linear motor 2 702. The movable end of the vertical servo linear motor 2 702 is driven and connected to a longitudinal servo linear motor 2 703. The output end of the longitudinal servo linear motor 2 703 is driven and connected to a pressing head 704. In this embodiment, since there are three pressing platforms on the outside of the integrated shell, the three pressing heads 704 are moved by the horizontal servo linear motor 2 701, the vertical servo linear motor 2 702, and the longitudinal servo linear motor 2 703 respectively, so that the end of the pressing head 704 abuts against the outside of the integrated shell and the bottom abuts against the pressing platform, thus pressing and fixing the integrated shell tightly and preventing it from shifting during the pressing process, thereby improving the assembly quality of the rear cover.

[0032] like Figures 1-9As shown, it also includes a PLC control box. The rear cover feeding linear motor 5, the clamping and pressing mechanism 6, the integrated shell positioning assembly 7, the screw-driving assembly 8, and the tray positioning mechanism 9 are all electrically connected to the PLC control box. In this embodiment, the rear cover feeding linear motor 5, the clamping and pressing mechanism 6, the integrated shell positioning assembly 7, the screw-driving assembly 8, and the tray positioning mechanism 9 can be controlled through the PLC control box.

[0033] The specific embodiments described herein are merely illustrative examples of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the scope defined by this invention.

Claims

1. A new energy electric drive assembly line motor end cover assembly machine, characterized in that: The system includes an integrated shell conveyor line (1), an integrated shell tray (2) that slides along the integrated shell conveyor line (1), an assembly frame (3) through which the integrated shell conveyor line (1) passes, a rear cover tray (4) located above the integrated shell conveyor line (1), and a rear cover feeding linear motor (5) used to drive the rear cover tray (4) to extend into or out of the assembly frame (3). The assembly frame (3) is equipped with a clamping and pressing mechanism (6), an integrated shell positioning component (7), and a screw-driving component (8). The integrated shell conveyor line (1) is equipped with a tray positioning mechanism (9). The clamping and pressing mechanism (6) is located directly above the tray positioning mechanism (9). The clamping and pressing mechanism (6) is used to clamp and press the rear cover on the rear cover tray (4) onto the integrated shell on the integrated shell tray (2).

2. The new energy electric drive assembly line motor end cover assembly machine as described in claim 1, characterized in that, The pallet positioning mechanism (9) includes a lifting plate (91), multiple primary lifting cylinders (92) for driving the lifting plate (91) to rise or fall, a base frame (93) for mounting the primary lifting cylinders (92), secondary lifting cylinders (94) vertically mounted on the lifting plate (91), multiple abutment cylinders (95) horizontally fixed on the lifting plate (91), two positioning slide rails (931) horizontally arranged on the base frame (93), the two positioning slide rails (931) being slidably connected by two positioning carriages (96), a carriage cylinder (97) being arranged on the base frame (93), and the carriage... The cylinder (97) is used to drive the two positioning slides (96) to move away from or closer to each other. The bottom of the lifting plate (91) is provided with multiple upper support columns (98). The positioning slides (96) are provided with lower support columns (99) facing the upper support columns (98). The piston rod of the abutment cylinder (95) is driven to connect to the abutment frame (910). The abutment frame (910) is provided with a press-fit abutment column (911). The abutment cylinder (95) is used to drive the abutment frame (910) to move laterally so that the press-fit abutment column (911) faces the integrated shell tray (2). The base frame (93) is installed on the mounting frame of the integrated shell conveyor line (1).

3. The new energy electric drive assembly line motor end cover assembly machine according to claim 1, characterized in that, The rear cover tray (4) is provided with multiple tray positioning posts (41), the tops of the multiple tray positioning posts (41) form a loading position adapted to the shape of the rear cover; the clamping and pressing mechanism (6) includes a clamping seat (61), a clamping lifting cylinder (62) used to drive the clamping seat (61) to rise or fall, a floating plate (63) provided below the clamping seat (61), and multiple floating components (64) used to connect the floating plate (63) and the clamping seat (61). The clamping lifting cylinder (62) is installed on the assembly frame (3). The bottom of the floating plate (63) is provided with multiple clamping abutment posts (65), and multiple spinning cylinders (66) are arranged around the multiple clamping abutment posts (65). The spinning cylinders (66) are installed on the floating plate (63), and the piston rod head extends vertically downward to drive and connect to the spinning head (67).

4. The new energy electric drive assembly line motor end cover assembly machine according to claim 3, characterized in that, The floating assembly (64) includes a floating shaft (641) with its bottom end fixed on a floating plate (63), an upper fixing ring (642) and a lower fixing ring (643) sleeved on the floating shaft (641), a floating hole (611) provided on the clamping seat (61) facing the floating shaft (641), an upper bearing ring fixedly connected to the upper fixing ring (642), a lower bearing ring fixedly connected to the upper plane bearing (644) of the clamping seat (61), an upper bearing ring fixedly connected to the clamping seat (61), and a lower bearing ring fixedly connected to the lower plane bearing (645) of the lower fixing ring (643), and the inner diameter of the floating hole (611) is larger than the outer diameter of the floating shaft (641).

5. The new energy electric drive assembly line motor end cover assembly machine according to claim 1, characterized in that, The screw-driving assembly (8) includes two sets of automatic screw-driving machines (81) and robotic arms used to drive the automatic screw-driving machines (81) to move back and forth, left and right, and up and down. The robotic arm includes a horizontal servo linear motor (821) fixed on the assembly frame (3). The movable end of the horizontal servo linear motor (821) is driven and connected to a vertical servo linear motor (822). The movable end of the vertical servo linear motor (822) is driven and connected to a vertical servo linear motor (823). The automatic screwdriver (81) is installed at the output end of the vertical servo linear motor (823).

6. The new energy electric drive assembly line motor end cover assembly machine according to claim 1, characterized in that, The integrated shell positioning assembly (7) includes a side positioning mechanism one (71), a side positioning mechanism two (72) and a side positioning mechanism three (73), which are arranged in a triangular shape.

7. The new energy electric drive assembly line motor end cover assembly machine according to claim 6, characterized in that, The side positioning mechanism one (71), side positioning mechanism two (72) and side positioning mechanism three (73) all include a horizontal servo linear motor two (701) fixed on the assembly frame (3). The movable end of the horizontal servo linear motor two (701) is driven and connected to a vertical servo linear motor two (702). The movable end of the vertical servo linear motor two (702) is driven and connected to a longitudinal servo linear motor two (703). The output end of the longitudinal servo linear motor two (703) is driven and connected to a pressing head (704).

8. The new energy electric drive assembly line motor end cover assembly machine according to claim 1, characterized in that, It also includes a PLC control box, and the rear cover feeding linear motor (5), clamping and pressing mechanism (6), integrated shell positioning assembly (7), screw-driving assembly (8) and pallet positioning mechanism (9) are all electrically connected to the PLC control box.

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