Electric vehicle assembly loading robot

By designing a loading robot for electric vehicle assembly, the robot utilizes a support frame, a receiving box, and a motion mechanism to achieve precise alignment and fixation of hinges with the door and body, thus solving the problem of low assembly efficiency for electric tricycle doors and improving assembly efficiency.

CN120421939BActive Publication Date: 2025-10-28JIANGSU SULIDA MOTOR VEHICLE CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202510718821.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2025-10-28
Estimated Expiration
2045-05-30

AI Technical Summary

Technical Problem

During the assembly of electric tricycle doors, the installation efficiency of hinges and doors is low, and existing technologies are insufficient to efficiently fix and align hinges and doors.

Method used

A loading robot for electric vehicle assembly was designed, including a support frame, a receiving box, a moving component, a blocking component, and an action mechanism. The robot arm drives the door and the support frame to move synchronously, and uses belts and rotating components to achieve precise alignment and fixation of the hinges with the door and the body.

Benefits of technology

This improves the efficiency of door assembly, ensuring that hinges are quickly and accurately connected and fixed to the door and body, thus enhancing overall assembly efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120421939B_ABST
    Figure CN120421939B_ABST
Patent Text Reader

Abstract

This invention discloses a loading robot for electric vehicle assembly, comprising: a support frame mounted on a door assembly robot arm, wherein the door assembly robot arm drives the door and the support frame to move synchronously; a receiving box movably disposed on the support frame, wherein the hinge and the door mating part are disposed in the receiving box, and there are two receiving boxes arranged in parallel; a moving component for driving the two receiving boxes to move synchronously in a linear fashion; and a blocking component, wherein each receiving box is provided with a blocking component, and the two blocking components are arranged in parallel. This invention facilitates hinge positioning and improves door assembly efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of electric tricycle manufacturing technology, specifically to a loading robot for electric vehicle assembly. Background Technology

[0002] During the assembly of electric tricycle doors, hinges need to be installed. Typically, the hinges that mate with the electric tricycle body are installed and fixed to the tricycle body. Then, a robotic arm or other device is used to move the door to the designated position, and the hinges are then connected and fixed to the door. This method results in low door assembly efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide a loading robot for electric vehicle assembly, thereby improving the assembly efficiency of vehicle doors.

[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a loading robot for electric vehicle assembly, comprising: a support frame, the support frame being mounted on a door assembly robot arm, and the door assembly robot arm driving the door and the support frame to move synchronously; a receiving box, the receiving box being movably disposed on the support frame, the hinge and the part cooperating with the door being disposed in the receiving box, the receiving box having two boxes, the two receiving boxes being arranged in parallel; a moving component, the moving component being used to drive the two receiving boxes to move synchronously in a linear motion; a blocking component, each receiving box having one blocking component, the two blocking components being arranged in parallel; two belts, the two belts corresponding to the two receiving boxes respectively, and each belt being used to contact the part of the corresponding hinge that cooperates with the receiving box; and two actuation mechanisms, the two actuation mechanisms having two mechanisms, the two actuation mechanisms being symmetrically arranged, the two actuation mechanisms respectively driving the two hinges and the part cooperating with the vehicle body to abut against the blocking components, and the two actuation mechanisms also respectively driving the two belts to move.

[0005] Furthermore, the blocking component includes: a blocking strip, which is used to block the part of the hinge that mates with the vehicle body; and a support strip, which is disposed on the receiving box and is fixedly connected to the blocking strip.

[0006] Furthermore, the actuating mechanism includes: an abutting rod, which abuts against the part of the blocking hinge that mates with the vehicle body; a connecting rod, which is fixedly connected to the abutting rod; and a rotating assembly, which is disposed on the receiving box and is used to drive the abutting rod to rotate, and is also used to drive the belt to move.

[0007] Furthermore, the rotating assembly includes: a support mounted on the receiving box; a drive shaft rotatably mounted on the support; a drive gear fixedly sleeved on the outside of the drive shaft; a first driven shaft rotatably mounted on the support; a first driven gear fixedly sleeved on the outside of the driven shaft; a second driven shaft rotatably mounted on the support; a second driven gear fixedly sleeved on the outside of the second driven shaft; and a first drive motor mounted on the support, the output end of which is fixedly connected to the top end of the drive shaft; wherein the first driven gear meshes with the drive gear, the first driven gear meshes with the second driven gear, and a connecting rod is fixedly connected to the second driven shaft.

[0008] Furthermore, the rotating assembly also includes: a first belt roller, which cooperates with the belt and is fixedly sleeved on the outside of the drive shaft; and a second belt roller, which cooperates with the belt and is rotatably mounted on the support.

[0009] Furthermore, the moving component includes: a moving base, which is fixedly connected to two receiving boxes; a lead screw, which is rotatably mounted on a support frame and threadedly connected to the moving base; and a second drive motor, which is mounted on the support frame and whose output end is fixedly connected to one end of the lead screw.

[0010] Furthermore, the moving component also includes: two linear slide rails, both horizontally arranged, each mounted on a support frame; and sliders, each linear slide rail having a slider, one of which is fixedly connected to one of the receiving boxes and a support on that receiving box; the other is fixedly connected to another receiving box and another support.

[0011] Furthermore, when the hinge mates with the vehicle body, it abuts against the blocking component. The hinge mates with the door and the hinge mates with the vehicle body at obtuse angles.

[0012] Furthermore, the receiving box is provided with a receiving groove that is compatible with the hinge.

[0013] Furthermore, the container is provided with an opening through which a portion of the belt passes, and the opening connects to the receiving slot.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are as follows.

[0015] 1. This invention pertains to industrial robot equipment. By directly fixing the support frame to the car door assembly robotic arm and using a receiving box to hold the hinge, the part of the hinge that mates with the car door corresponds to the part of the car door that needs to be mated with the hinge, facilitating quick hinge installation. After the receiving box is detached from the hinge by the moving component, it is easy to mate the hinge with the car door, which helps to improve the assembly efficiency of the car door.

[0016] 2. The present invention is also provided with a belt, which facilitates the hinge to be firmly fixed in the receiving box when the abutment rod rotates and approaches the hinge, and helps the hinge to disengage from the receiving box when the abutment rod rotates and moves away from the hinge. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used together with the embodiments of the invention to explain the invention and do not constitute a limitation thereof.

[0018] Figure 1 This is a schematic diagram of the location of the door of the electric tricycle and the present invention.

[0019] Figure 2 yes Figure 1 A magnified structural diagram of region A in the middle.

[0020] Figure 3 It is a schematic diagram of the overall structure of the present invention.

[0021] Figure 4 This is a schematic diagram of the overall structure of the present invention from another angle.

[0022] Figure 5 This is a schematic diagram of the action mechanism of the present invention and its interaction with the belt.

[0023] Figure 6 This is a schematic diagram of the blocking strip in contact with the hinge in this invention.

[0024] Figure 7 This is a schematic diagram showing the positions of the receiving box and belt of the present invention.

[0025] Figure 8 This is a schematic diagram of the cross-sectional structure of the belt and housing after the hinge is placed in this invention.

[0026] Figure 9 This is a schematic cross-sectional view of the container structure of the present invention.

[0027] Figure 10 This is a schematic diagram of the installation of the linear guide rail and slider of the present invention.

[0028] Figure 11 This is a schematic diagram showing the connection between the hinge and the body of the electric tricycle.

[0029] Figure 12 This is the present invention. Figure 11A magnified structural diagram of region B in the middle.

[0030] In the diagram: 1. Support frame; 2. Receiving box; 21. Receiving groove; 22. Opening; 3. Action mechanism; 31. Abutting rod; 32. Connecting rod; 33. Rotating assembly; 331. Support; 332. First drive motor; 333. Drive shaft; 3331. Drive gear; 334. First driven shaft; 3341. First driven gear; 335. Second driven shaft; 3351. Second driven gear; 336. First belt roller; 337. Second belt roller; 4. Moving assembly; 41. Moving seat; 42. Lead screw; 43. Second drive motor; 44. Linear slide rail; 45. Slider; 5. Belt; 6. Blocking element; 61. Blocking bar; 62. Support bar. Detailed Implementation

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0032] Example 1

[0033] Please see Figures 1-12 This invention provides a technical solution: a loading robot for electric vehicle assembly, including a support frame 1. The support frame 1 is used to install and fix on an external door assembly robot arm. The door assembly robot arm can fix and position the door. After the door is fixed, the door assembly robot arm drives the door and the support to move synchronously. Two receiving boxes 2 are provided on the support frame 1. The initial positions of the two receiving boxes 2 correspond to two parts on the electric tricycle door (hereinafter referred to as the door) that cooperate with the hinge. The two receiving boxes 2 are parallel and spaced apart. The receiving boxes 2 are used to place the parts of the hinge that cooperate with the door. The receiving boxes 2 are provided with receiving grooves 21. The parts of the hinge that cooperate with the door are adapted to the receiving grooves 21. That is, the parts of the hinge that cooperate with the door are used to fit in the receiving grooves 21. When the parts of the hinge that cooperate with the door are placed in the receiving grooves 21, the positions of the parts of the hinge that cooperate with the door and the hinge parts to be engaged in the door correspond.

[0034] The hinge has two parts that are hinged together and can rotate. This is existing technology and will not be described in detail. One part of the hinge is used to cooperate with and be installed on the door, and the other part of the hinge is used to cooperate with and be installed on the electric tricycle body (hereinafter referred to as the body).

[0035] A movable component 4 is provided on the support frame 1, which is used to drive the two receiving boxes 2 to move synchronously in a straight line.

[0036] Each receiving box 2 is provided with a blocking element 6, and the two blocking elements 6 are arranged in parallel and spaced apart; two actuating mechanisms 3 are also provided on the support frame 1, and the two actuating mechanisms 3 are arranged symmetrically; when the hinges are placed in the two receiving boxes 2 respectively, the two actuating mechanisms 3 are used to drive the two hinges to abut against the corresponding blocking elements 6 at the parts that cooperate with the body; in addition, the two actuating mechanisms 3 also drive the two belts 5 to move respectively.

[0037] The blocking component 6 includes a support bar 62, which is fixedly mounted on the receiving box 2 on the side near the door; a blocking bar 61 is fixedly mounted on the support bar 62, which is used to block the part of the hinge that cooperates with the body.

[0038] The actuating mechanism 3 includes an abutment rod 31, which also abuts the hinge and the body of the vehicle. The abutment rod 31 is fixedly connected to the connecting rod 32. The actuating mechanism 3 also includes a rotating assembly 33, which drives the connecting rod 32 to rotate. When the hinge is placed in the receiving groove 21, the hinge and the part of the door and body that mate with it form an approximate 180-degree angle, and in the initial state as shown in the figure, the abutment rod 31 is away from the hinge. The rotating assembly 33 drives the connecting rod 32 to rotate, thereby driving the abutment rod 31 to rotate. During the rotation of the abutment rod 31, when the abutment rod 31 engages with the door and body of the vehicle, the abutment rod 31 rotates. After the hinge engages with the body, the contact rod 31 drives the hinge to rotate until it contacts the blocking strip 61. At this point, the rotating component 33 stops driving the connecting rod 32 to rotate, and the hinge engages with the body and is fixedly positioned between the contact rod 31 and the blocking strip 61. Meanwhile, the hinge engages with the door and the hinge engages with the body at an obtuse angle. Once the hinge is fixedly positioned, the door assembly robotic arm can bring the door, support frame 1, and hinge closer to the body, thus enabling the hinge to engage with the body.

[0039] The rotating assembly 33 includes a support 331 fixed on the housing 2 and a first drive motor 332. A drive shaft 333, a first driven shaft 334, and a second driven shaft 335 are movably connected to the support 331 via bearings. A drive gear 3331 is fixedly sleeved on the outside of the drive shaft 333, a first driven gear 3341 is fixedly sleeved on the outside of the first driven shaft 334, and a second driven gear 3351 is fixedly sleeved on the outside of the second driven shaft 335. The drive gear 3331 and the first driven shaft 335... A driven gear 3341 is engaged, and the first driven gear 3341 is also engaged with the second driven gear 3351; at the same time, the connecting rod 32 is fixedly connected; the output shaft of the first drive motor 332 is fixedly connected to the drive shaft 333, and the drive shaft 333 is rotated by the first drive motor 332. Under the action of the drive gear 3331, the first driven gear 3341 and the second driven gear 3351, the connecting rod 32 can be rotated, which in turn drives the abutment rod 31 to rotate.

[0040] The moving component 4 includes a moving base 41, which is disposed between two receiving boxes 2 and is fixedly connected to the two receiving boxes 2. Meanwhile, the two receiving boxes 2 are movably disposed on the support frame 1 and can only move horizontally in a straight line. The moving component 4 also includes a second drive motor 43, which is mounted on the support frame 1. The output end of the second drive motor 43 is fixedly connected to a lead screw 42, which passes through the moving base 41 and is threadedly connected to the moving base 41. The second drive motor 43 drives the lead screw 42 to rotate, thereby driving the two receiving boxes 2 to move horizontally in a straight line.

[0041] Both the first drive motor 332 and the second drive motor 43 are stepper motors, which enable control of steering, speed and rotation angle.

[0042] In this embodiment, the car door is positioned and fixed by a door assembly robotic arm, while the hinge and the part that mates with the car door and the body form approximately a 180-degree angle. Then, the first drive motor 332 drives the drive shaft 333 to rotate. Under the action of the drive gear 3331, the first driven gear 3341, and the second driven gear 3351, the second driven shaft 335 rotates, thereby rotating the connecting rod 32 and the abutting rod 31. This causes the hinge and body-mate part to abut against the blocking strip 61, at which point the second drive motor 43 stops rotating the drive shaft 333. Simultaneously, the abutting rod 31 also abuts against the hinge and body-mate part, with the abutting rod 31 and the blocking strip 61 located on opposite sides of the hinge and body-mate part, thus limiting and fixing the hinge. Afterwards, the door assembly robotic arm drives the car door and support frame 1 to... The hinge and other components move, causing the hinge-body mating part to engage with the body. At this point, the screw on the hinge passes through the body, and the hinge can be fixed by tightening the nut. Then, under the action of the first drive motor 332, the connecting rod 32 and the abutment rod 31 are reset, and the abutment rod 31 disengages from the hinge. Afterward, the second drive motor 43 drives the lead screw 42 to rotate, causing the two receiving boxes 2 to disengage from the hinge-door mating part, and the blocking strip 61 disengages from the hinge. After the receiving boxes 2 move a suitable distance (without affecting the hinge-door mating), the hinge-door mating part is already aligned with the door's hinged part, making it easy to assemble the hinge with the door. After the hinge is assembled with the door, bolts or screws can be installed to fix the hinge to the door, thus completing the installation and fixing of the door, which helps improve the assembly efficiency of the door.

[0043] Finally, under the action of the first drive motor 332, the connecting rod 32 and the abutment rod 31 are reset. Of course, during the rotation and reset process of the abutment rod 31, it will not touch or interfere with the car body. When the abutment rod 31 abuts the hinge, the abutment rod 31 is close to the end of the part of the hinge that cooperates with the car body. At the same time, the door assembly robot arm releases the door and resets. The second drive motor 43 drives the lead screw 42 to rotate, which drives the receiving box 2 to reset, so that the next door can be installed.

[0044] In this embodiment, by directly fixing the support frame 1 to the door assembly robot arm, positioning and fixing the door through the door assembly robot arm, and conveniently placing the hinge through the receiving box 2, the part of the hinge that mates with the door can be aligned with the part of the door that needs to be mated with the hinge, facilitating quick hinge installation; at the same time, the receiving box 2 facilitates the positioning of the hinge.

[0045] Example 2

[0046] Please see Figure 3 and Figure 10Based on Embodiment 1, the moving component 4 further includes a linear slide rail 44. Two linear slide rails 44 are provided on the support frame 1, and the two linear slide rails 44 are arranged in parallel. Each linear slide rail 44 is provided with a slider 45. The slider 45 on one linear slide rail 44 is fixedly connected to one of the receiving boxes 2 and the support 331 on the receiving box 2. The slider 45 on the other linear slide rail 44 is fixedly connected to another receiving box 2 and another support 331. By cooperating with the linear slide rail 44, the receiving box 2 can be movably mounted on the support frame 1.

[0047] Example 3

[0048] See again Figures 3-8 Based on Embodiment 3, this embodiment also includes two belts 5; each receiving box 2 has an opening 22 connected to the receiving groove 21; each opening 22 corresponds to a belt 5; when the hinge is engaged in the receiving box 2, each belt 5 passes through the corresponding opening 22 and contacts the corresponding hinge; the surface of the hinge in contact with the belt 5 is a planar structure.

[0049] The rotating assembly 33 also includes a first belt roller 336 and a second belt roller 337, with the belt 5 fitted outside the first belt roller 336 and the second belt roller 337; the first belt roller 336 is fixedly sleeved outside the drive shaft 333, and the second belt roller 337 is rotatably mounted on the support 331 through bearings. The second belt roller 337 has its own rotating shaft, and both ends of the rotating shaft are rotatably mounted on the support 331 through bearings; that is, when the first drive motor 332 drives the drive shaft 333 to rotate, it simultaneously drives the belt 5 to move.

[0050] Since the driving gear 3331 meshes with the first driven gear 3341, and the first driven gear 3341 meshes with the second driven gear 3351, the driving gear 3331 and the second driven gear 3351 always rotate in the same direction, that is, the rotation of the driving shaft 333 and the rotation of the second driven shaft 335 are in the same direction; when the abutment rod 31 rotates close to the hinge, the belt 5 moves in the following direction. Figure 5 As shown, through the friction between the belt 5 and the hinge, as the abutment rod 31 rotates and approaches the hinge, it is easy to drive the part of the hinge that mates with the receiving groove 21 to be firmly fixed in the receiving groove 21, thus avoiding the hinge from moving due to vibration and ensuring accurate hinge positioning.

[0051] Similarly, when the abutment rod 31 rotates and moves away from the hinge, the belt 5 exerts an effect on the hinge that facilitates the hinge's disengagement from the receiving box 2, thus helping the hinge to disengage from the receiving box 2.

[0052] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A loading robot for electric vehicle assembly, characterized in that, include: Support frame (1) is installed on the door assembly robot arm, and the door assembly robot arm drives the door and support frame (1) to move synchronously. The receiving box (2) is movably mounted on the support frame (1), and the hinge and the door are fitted together in the receiving box (2). There are two receiving boxes (2), and the two receiving boxes (2) are arranged in parallel. The moving component (4) is used to drive the two receiving boxes (2) to move synchronously in a straight line; A blocking element (6) is provided on each receiving box (2), and the two blocking elements (6) are arranged in parallel; The belt (5) has two belts (5), each belt (5) corresponds to a different container (2), and each belt (5) is used to contact the part of the corresponding hinge that cooperates with the container (2); The action mechanism (3) has two parts, and the two action mechanisms (3) are symmetrically arranged. The two action mechanisms (3) respectively drive the two hinges that cooperate with the body to abut against the blocking part (6), and the two action mechanisms (3) also respectively drive the two belts (5) to move. The motion mechanism (3) includes: The abutment rod (31) is used to abut against the part of the blocking hinge that is engaged with the body; Connecting rod (32), connecting rod (32) is fixedly connected to abutting rod (31); Rotating component (33) is set on receiving box (2) and is used to drive the abutment rod (31) to rotate. Rotating component (33) is also used to drive belt (5) to move.

2. The electric vehicle assembly loading robot according to claim 1, characterized in that, The blocking element (6) includes: The blocking strip (61) is used to block the part of the hinge that is engaged with the body; Support bar (62) is provided on the receiving box (2) and the support bar (62) is fixedly connected to the blocking bar (61).

3. The electric vehicle assembly loading robot according to claim 1, characterized in that, The rotating component (33) includes: Support (331) is provided on the receiving box (2); The drive shaft (333) is rotatably mounted on the support (331); The drive gear (3331) is fixedly sleeved on the outside of the drive shaft (333); The first driven shaft (334) is rotatably mounted on the support (331); The first driven gear (3341) is fixedly sleeved on the outside of the first driven shaft (334); The second driven shaft (335) is rotatably mounted on the support (331); The second driven gear (3351) is fixedly sleeved on the outside of the second driven shaft (335); The first drive motor (332) is mounted on the support (331), and the output end of the first drive motor (332) is fixedly connected to the top of the drive shaft (333). Among them, the first driven gear (3341) meshes with the driving gear (3331), the first driven gear (3341) meshes with the second driven gear (3351), and the connecting rod (32) is fixedly connected to the second driven shaft (335).

4. The electric vehicle assembly loading robot according to claim 3, characterized in that, The rotating component (33) also includes: The first belt roller (336) cooperates with the belt (5) and is fixedly sleeved on the outside of the drive shaft (333); The second belt roller (337) is engaged with the belt (5) and is rotatably mounted on the support (331).

5. The electric vehicle assembly loading robot according to claim 1, characterized in that, The mobile component (4) includes: Movable base (41), the movable base (41) is fixedly connected to two receiving boxes (2); The lead screw (42) is rotatably mounted on the support frame (1), and the lead screw (42) is threadedly connected to the movable seat (41); The second drive motor (43) is mounted on the support frame (1), and the output end of the second drive motor (43) is fixedly connected to one end of the lead screw (42).

6. The electric vehicle assembly loading robot according to claim 5, characterized in that, The mobile component (4) also includes: Linear slide rail (44), there are two linear slide rails (44), the two linear slide rails (44) are set horizontally, and each linear slide rail (44) is set on the support frame (1); Slider (45), each linear slide rail (44) is provided with a slider (45), and the slider (45) on one of the linear slide rails (44) is fixedly connected to one of the receiving boxes (2) and the support (331) on the receiving box (2). A slider (45) on another linear slide rail (44) is fixedly connected to another receiving box (2) and another support (331).

7. The electric vehicle assembly loading robot according to claim 1, characterized in that, When the hinge and the part that engages with the car body abuts against the blocking part (6), the hinge and the part that engages with the car door and the hinge and the part that engages with the car body are set at an obtuse angle.

8. The electric vehicle assembly loading robot according to claim 1, characterized in that, The receiving box (2) is provided with a receiving groove (21) that is compatible with the hinge.

9. The electric vehicle assembly loading robot according to claim 1, characterized in that, An opening (22) is also provided on the receiving box (2), through which a part of the belt (5) passes and the opening (22) connects to the receiving groove (21).

Citation Information

Patent Citations

  • Car door hinge mounting fitting

    CN105904202A

  • Automobile part carrying robot

    CN110697402A