An automotive electrical component assembly machine
By combining the gripper mechanism and suction cup fixing mechanism of the robotic arm, the problem of gripping stability when grasping curved parts in existing automotive electrical parts assembly machines has been solved, achieving efficient and stable gripping and adsorption of curved parts, thus improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINHUA SAITO INTELLIGENT EQUIPMENT CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-26
AI Technical Summary
Existing automotive electrical component assembly machines have insufficient contact between the grippers and the surface of curved or arched parts, resulting in poor gripping stability and easy slippage. They cannot meet the stable gripping requirements of various sizes of irregularly shaped parts, and the adsorption success rate is low.
The robotic arm is equipped with a gripper mechanism that can move relatively. The gripper mechanism is designed with arc-shaped rubber clamps and linkage rollers, combined with a suction cup fixing mechanism. The gripper mechanism and the suction cup mechanism form a composite force structure. When gripping, the arc-shaped rubber clamps adaptively conform to the surface of the part, and the suction cups achieve redundant adsorption through independent control of large and small suction cups, ensuring gripping stability.
It improved the success rate of gripping and adsorption of curved parts, prevented parts from slipping, and enhanced production stability and output.
Smart Images

Figure CN224273970U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of automotive electrical component assembly equipment, specifically an automotive electrical component assembly machine. Background Technology
[0002] Automotive electrical components are an important part of automobiles, encompassing power systems, electrical equipment, and control systems. As a result, automotive electrical component assembly machines have emerged and become core equipment on automated automotive electronics production lines.
[0003] The existing automotive electrical parts assembly machine consists of the following structure: frame, servo motor, detection system, assembly mechanism, electrical control system, etc. Its working principle is as follows: the operator places the parts to the corresponding work station, and then the execution mechanism completes the assembly according to the process requirements such as pressing and welding. Qualified products are conveyed and unloaded.
[0004] Current automotive electrical component assembly machines suffer from the following drawbacks: when gripping parts with curved or arched surfaces, such as rearview mirror housings, the grippers of the gripping mechanism do not adhere well to the part surface due to the curvature, resulting in poor gripping stability and a high risk of parts slipping off. This leads to a low pass rate, an inability to meet the stable gripping requirements of various irregularly shaped parts, and a low adsorption success rate, which seriously affects the production output of manufacturing enterprises. Therefore, an automotive electrical component assembly machine is proposed to address these issues. Utility Model Content
[0005] To address the shortcomings of existing automotive electrical component assembly machines, a new type of automotive electrical component assembly machine is proposed.
[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The automotive electrical component assembly machine of this utility model includes a robotic arm. One end of the robotic arm is provided with at least a pair of relatively movable gripper mechanisms via a driving device. The gripper mechanism includes a base. An arc-shaped rubber clamping block is provided on the inner side of the base. A connecting rod is mounted between the arc-shaped rubber clamping block and the base in a mirror rotation. A roller is mounted on one end of the connecting rod. A sliding groove is opened on one side of the base. The roller is slidably disposed in the sliding groove. One end of the robotic arm is provided with a suction cup fixing mechanism acting on the top of the component via a driving device.
[0007] Preferably, the suction cup fixing mechanism is mounted on the actuating end of the driving device via a mounting plate. The mounting plate has a through groove for mounting and adjusting the position distance of the suction cup fixing mechanism. The suction cup fixing mechanism includes a main air pipe, and a large suction cup and a small suction cup are provided at the bottom end of the main air pipe. The small suction cup is located inside the large suction cup and the two are coaxially arranged. One side of the large suction cup is connected to an external air source through a connecting branch air channel. The small suction cup is connected to an external air source through the main air pipe. The large suction cup and the small suction cup are not connected to each other.
[0008] Preferably, both the large suction cup and the small suction cup are corrugated tube structures.
[0009] Preferably, the mounting plate has two parts located on both sides of the robotic arm, and at least two suction cup fixing mechanisms are provided in the through groove.
[0010] Preferably, an industrial camera for detecting the quality of parts is provided on one side of the robotic arm.
[0011] The beneficial effects of this utility model are:
[0012] 1. The gripper mechanism uses a linkage and roller linkage design to achieve adaptive and flexible gripping of curved parts, avoiding deformation of precision components while adapting to the curved surface of the parts, thus improving the gripping qualification rate.
[0013] 2. The dual cooperation of the suction cup fixing mechanism and the gripper mechanism clamps the side of the curved part while applying suction to the top of the part, which improves the clamping stability and ensures the assembly of subsequent parts. In addition, the dual suction cup redundant adsorption design allows the large suction cup and the small suction cup to be independently controlled. If there is air leakage in any area, the other suction cup will automatically take over the adsorption, which greatly improves the adsorption success rate of surface defects of curved parts. Attached Figure Description
[0014] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:
[0015] Figure 1 This is a structural diagram of the entire utility model;
[0016] Figure 2 This is a three-dimensional structural view of the gripper mechanism and suction cup fixing mechanism of this utility model;
[0017] Figure 3 yes Figure 2 Enlarged view of the structure at point A in the middle;
[0018] Figure 4 yes Figure 2 Enlarged view of the structure at point B;
[0019] Figure 5 This is a top view of the gripper mechanism and suction cup fixing mechanism of this utility model;
[0020] Legend:
[0021] 1. Robotic arm; 2. Gripper mechanism; 201. Base; 203. Arc-shaped rubber clamp; 204. Connecting rod; 205. Roller; 206. Slide groove; 3. Suction cup fixing mechanism; 301. Main air pipe; 302. Large suction cup; 303. Small suction cup; 304. Branch air duct; 4. Mounting plate; 5. Through groove; 6. Industrial camera. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0023] Specific implementation examples are given below.
[0024] Please see Figures 1-5The present invention discloses an automotive electrical component assembly machine, comprising a robotic arm 1. One end of the robotic arm 1 is provided with at least a pair of relatively movable gripper mechanisms 2 via a drive device. In the present invention, the drive device is a drive cylinder, but is not limited to a drive cylinder. The gripper mechanism 2 includes a base 201. An arc-shaped rubber clamping block 203 is provided on the inner side of the base 201. A connecting rod 204 is mounted between the arc-shaped rubber clamping block 203 and the base 201 in a mirror rotation. A roller 205 is mounted on one end of the connecting rod 204. A sliding groove 206 is opened on one side of the base 201. The roller 205 is slidably disposed in the sliding groove 206. One end of the robotic arm 1 is provided with a suction cup fixing mechanism 3 acting on the top of the component via a drive device. The drive device is a drive cylinder, but is not limited to a drive cylinder. During operation, when the robotic arm 1 receives the gripping command from the control system, it first positions itself at the target workstation and drives the cylinder to move the gripper mechanism 2 toward the part. The arc-shaped rubber gripper 203 contacts the surface of the part. At the same time, the connecting rod 204 drives the roller 205 to slide along the slide groove 206 under the action of lateral force, so that the arc-shaped rubber gripper 203 produces adaptive deflection and fits against the surface of the arc-shaped part. The arc-shaped rubber grippers 203 on both sides grip and grasp the arc-shaped part. The suction cup fixing mechanism 3 starts synchronously, and a negative pressure is formed by the vacuum generator, forming a composite force structure with the gripper mechanism 2. The gripper mechanism 2 of this utility model can make the arc-shaped rubber gripper 203 adjust its angle according to the curvature of the arc-shaped part surface, so that the arc-shaped rubber gripper 203 fits the surface of the arc-shaped part better, the contact area is increased, and the gripping stability of the arc-shaped part is improved.
[0025] Furthermore, the suction cup fixing mechanism 3 is mounted on the actuating end of the driving device via a mounting plate 4. The mounting plate 4 has a through groove 5 for mounting and adjusting the position distance of the suction cup fixing mechanism 3. The suction cup fixing mechanism 3 includes a main air pipe 301. A large suction cup 302 and a small suction cup 303 are provided at the bottom end of the main air pipe 301. The small suction cup 303 is located inside the large suction cup 302 and the two are coaxially arranged. One side of the large suction cup 302 is connected to an external air source through a connecting branch air channel 304, and the small suction cup 303 is connected to an external air source through the main air pipe 301. The large suction cup 302 and the small suction cup 303 are not connected. Both the large suction cup 302 and the small suction cup 303 are corrugated tube structures. The mounting plate 4 has two parts located on both sides of the robotic arm 1, and at least two suction cup fixing mechanisms 3 are provided in the through groove 5. During operation, after the gripper mechanism 2 initially clamps the arc-shaped part, and the large suction cup 302 and the small suction cup 303 come into contact with the part, if there is a gap in the annular sealing area of the large suction cup 302, and the pressure sensor detects that the vacuum degree decrease rate exceeds the threshold, the control system immediately shuts off the air passage of the large suction cup 302 and the small suction cup 303. 303 increases its airflow. At this time, the small suction cup 303 forms a localized sealed area through high vacuum to adsorb and grip the part. Conversely, if a gap appears in the area of the small suction cup 303, preventing it from adsorbing the part, the airflow to the small suction cup 303 is closed. The large suction cup 302, since it includes the small suction cup 303, continuously creates negative pressure through vacuum to normally adsorb and grip the part. The through groove 5 has a long rectangular structure, allowing the suction cup fixing mechanism 3 to be adjusted according to the size of the part. The double suction cups of this utility model... The integrated control and redundancy design ensures that the equipment maintains a high success rate in adsorbing local defects on the surface of parts. Meanwhile, the corrugated structure used in the large suction cup 302 and the small suction cup 303 has the following key characteristics: when the suction cup is under pressure, the corrugated structure tends to expand radially, so that the contact pressure between the lip and the surface of the part forms a tighter sealing ring, which improves the vacuum holding capacity and extends the service life. The combination of the gripper mechanism 2 and the suction cup fixing mechanism 3 makes the clamping stability of the curved parts better and prevents the curved parts from slipping during the clamping process, which would lead to clamping failure.
[0026] Furthermore, an industrial camera 6 for detecting the quality of parts is provided on one side of the robotic arm 1. During operation, when the robotic arm 1 moves above the part, the industrial camera 6 starts scanning to extract the key contour points of the part and compares them with the standard model in the database. If the detection result is qualified, the robotic arm 1 adjusts its posture according to the compensation parameters to complete the grasping. If it is unqualified, the part is transferred to the NG area and the abnormal data is recorded.
[0027] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. An automotive electrical component assembly machine characterized by: The system includes a robotic arm (1), one end of which is equipped with at least one pair of relatively movable gripper mechanisms (2) via a drive device. The gripper mechanism (2) includes a base (201), an arc-shaped rubber clamp (203) is provided on the inner side of the base (201), and a connecting rod (204) is mounted between the arc-shaped rubber clamp (203) and the base (201) in a mirror rotation. A roller (205) is mounted on one end of the connecting rod (204), and a sliding groove (206) is provided on one side of the base (201). The roller (205) is slidably disposed in the sliding groove (206). One end of the robotic arm (1) is equipped with a suction cup fixing mechanism (3) that acts on the top of the component via a drive device.
2. The automobile electric appliance parts assembling machine according to claim 1, characterized in that: The suction cup fixing mechanism (3) is mounted on the working end of the driving device via a mounting plate (4). The mounting plate (4) has a through groove (5) for installing and adjusting the position distance of the suction cup fixing mechanism (3). The suction cup fixing mechanism (3) includes a main air pipe (301). A large suction cup (302) and a small suction cup (303) are provided at the bottom end of the main air pipe (301). The small suction cup (303) is located inside the large suction cup (302) and the two are coaxially arranged. One side of the large suction cup (302) is connected to an external air source through a connecting branch air channel (304). The small suction cup (303) is connected to an external air source through the main air pipe (301). The large suction cup (302) and the small suction cup (303) are not connected.
3. The machine for assembling parts of electric appliances for automobiles according to claim 2, wherein: Both the large suction cup (302) and the small suction cup (303) are corrugated tube structures.
4. The automobile electric appliance parts assembling machine according to claim 2, characterized in that: The mounting plate (4) has two parts located on both sides of the robotic arm (1), and at least two suction cup fixing mechanisms (3) are provided in the through groove (5).
5. The machine for assembling parts of electric appliances for automobiles according to claim 1, wherein: An industrial camera (6) for detecting the quality of parts is provided on one side of the robotic arm (1).