Automobile assembly assisting arm moving main machine

By designing a mobile host for an automotive assembly assistive arm, the problems of high cost and poor sensitivity of existing robotic arms have been solved, enabling flexible connection and efficient assembly of various grippers and reducing the labor intensity of workers.

CN223644878UActive Publication Date: 2025-12-09CHONGQING XINRUIQI INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520029346.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-12-09
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing robotic arms have high costs, poor sensitivity, and difficulty in compatibility with various mechanical grippers in the automobile assembly process, resulting in high labor intensity for workers and low assembly efficiency.

Method used

A mobile host for automotive assembly assistive arm was designed, comprising a mobile frame, a slewing boom, a lifting swing arm, and various mechanical gripper connection structures. The flexible connection and operation of various grippers are achieved through an electronic and pneumatic control system.

Benefits of technology

It features a simple structure, convenient operation, and the ability to connect various mechanical grippers with high flexibility, thereby reducing the labor intensity of workers and improving assembly efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile assembly boosting arm mobile host which is characterized by comprising a mobile frame, a rotary suspension arm and a lifting swing arm, hanging pulley blocks are arranged at four corners of the top of the mobile frame, a traction wheel unit is arranged on one side of at least one hanging pulley block, and a traction wheel unit is arranged on the other side of at least one hanging pulley block. The rotary suspension arm is rotationally connected to the middle of the movable frame, one end of the lifting swing arm is connected to the lower end of the rotary suspension arm through a pin shaft, a swing air cylinder for driving the lifting swing arm to swing up and down is arranged on the rotary suspension arm, and a connector is hinged to the other end of the lifting swing arm. A vertical rotating shaft is rotationally arranged on the connector, a connecting rod is connected between the vertical rotating shaft and the connector and the rotary suspension arm through a hinge, and the connecting rod is parallel to the lifting swing arm. The automobile assembling tool has the advantages of being simple in structure, convenient to operate, high in flexibility, capable of being connected with grippers with multiple functions and capable of conveniently assisting workers to achieve automobile assembling.
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Description

Technical Field

[0001] This utility model relates to the field of automobile assembly equipment, specifically to a mobile host for automobile assembly assistive arm. Background Technology

[0002] Currently, the main method used in automobile assembly production is assembly lines. Material handling equipment transports the components to the assembly line, where workers then pick them up and install them onto the vehicle frame. However, for heavier components such as doors, wheels, dashboards, and seats, robotic arms are needed to assist in picking them up. After manual alignment, they are then installed. However, existing robotic arms are expensive and have poor sensitivity, resulting in high labor intensity for workers, low assembly efficiency, and incompatibility with various types of robotic grippers. Summary of the Invention

[0003] To address the shortcomings of the existing technology, this utility model provides a mobile host for automotive assembly assistive arm, which has a simple structure and can be used to connect various mechanical grippers to achieve the installation of multiple components on a car.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A mobile host for automotive assembly assist arm, characterized in that it includes a mobile frame, a rotary boom, and a lifting swing arm, wherein the top four corners of the mobile frame are provided with hanging pulley groups, and at least one side of the hanging pulley group is provided with a traction wheel unit; the rotary boom is rotatably connected to the middle of the mobile frame; one end of the lifting swing arm is pin-connected to the lower end of the rotary boom; the rotary boom is provided with a swing cylinder for driving the lifting swing arm to swing up and down; the other end of the lifting swing arm is hinged to a connector; a vertical rotating shaft is rotatably provided on the connector; a connecting rod is hinged between the vertical rotating shaft, the connector, and the rotary boom; the connecting rod is arranged parallel to the lifting swing arm.

[0006] Furthermore, the traction unit includes a mounting bracket, a motor mounting bracket, a motor, a drive wheel, a lever arm, a cylinder mounting bracket, a limit rod, and a lifting cylinder. The mounting bracket is mounted on the mobile frame. The motor mounting bracket is connected to one end of the lever arm, and the lever arm is hinged to the mounting bracket. The motor is mounted on the motor mounting bracket, and the output shaft of the motor is connected to the drive wheel. The cylinder mounting bracket is mounted on the mobile frame. The limit rod is mounted on the cylinder mounting bracket, and its upper end passes through the free end of the lever arm. A spring is provided on the limit rod to press the lever arm downward. The lifting cylinder is mounted on the cylinder mounting bracket, and the piston rod of the lifting cylinder abuts against the lower part of the free end of the lever arm.

[0007] Furthermore, the mobile frame is equipped with an electrical control cabinet and a pneumatic control cabinet.

[0008] Furthermore, a first brake cylinder is provided on the slewing boom, a first brake disc is provided on the moving frame, and a first brake caliper is provided on the first brake cylinder for clamping the first brake disc. The first brake caliper is driven by the first brake cylinder.

[0009] Furthermore, a second brake cylinder is provided on the connector head, a second brake disc is provided on the vertical rotating shaft, and a second brake caliper is provided on the second brake cylinder for clamping the second brake disc. The second brake caliper is driven by the second brake cylinder.

[0010] The advantages of this utility model include: simple structure, convenient operation, high flexibility, ability to connect multiple functional grippers, and convenient assistance to workers in automobile assembly. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the traction unit structure of this utility model. Detailed Implementation

[0013] The present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0014] One such Figure 1-2 The illustrated automotive assembly power arm mobile main unit includes a mobile frame 1, a rotating boom 2, and a lifting swing arm 3. The mobile frame 1 has four hanging pulley blocks 4 at its top corners for suspending it on a hanging rail. At least one side of each hanging pulley block 4 has a traction wheel unit 5 for moving the mobile frame 1 along the hanging rail. The traction unit 5 includes a mounting bracket 51, a motor mounting bracket 52, a motor 53, a drive wheel 54, a lever arm 55, a cylinder mounting bracket 56, a limit rod 57, and a lifting cylinder 58. The mounting bracket 51 is mounted on the mobile frame 1.

[0015] A motor mounting base 52 is connected to one end of a lever arm 55, which is hinged to a mounting support 51. A motor 53 is mounted on the motor mounting base 52. The output shaft of the motor 53 is connected to a drive wheel 54. A cylinder mounting base 56 is mounted on the moving frame 1, and a limiting rod 57 is mounted on the cylinder mounting base 56. The upper end of the limiting rod 57 passes through the free end of the lever arm 55, and a spring 59 is mounted on the limiting rod 57 to press the lever arm 55 downward. A lifting cylinder 58 is mounted on the cylinder mounting base 56, and the piston rod of the lifting cylinder 58 abuts against the lower part of the free end of the lever arm 55. When the piston rod of the lifting cylinder 58 is retracted, the lever arm 55, under the action of the spring 59, causes one end of the drive wheel 54 to tilt upward, making the drive wheel 54 contact the overhead rail for traction.

[0016] The rotary boom 2 is rotatably connected to the middle of the mobile frame 1. One end of the lifting arm 3 is pinned to the lower end of the rotary boom 2. A swing cylinder 6 is mounted on the rotary boom 2 to drive the lifting arm 3 to swing up and down. The other end of the lifting arm 3 is hinged to a connector 7, on which a vertical shaft 8 is rotatably mounted. The lower end of the vertical shaft 8 is used to connect to the assisted gripping robot. A connecting rod 9 is hinged between the vertical shaft 8, connector 7, and the rotary boom 2. The connecting rod 9 is arranged parallel to the lifting arm 3. This structure ensures that the vertical shaft 8 remains vertical when the lifting arm 3 swings. This structure has three degrees of freedom, thus ensuring the flexibility of the assisting arm.

[0017] The mobile frame 1 is equipped with an electrical control cabinet 10 and a pneumatic control cabinet 11. The electrical control cabinet is used to control the operation of the motor, and the pneumatic control cabinet is used to control the operation of the lifting cylinder 58 and the swing cylinder 6.

[0018] To ensure the boom locks after rotating to a predetermined angle, the slewing boom 2 in this embodiment is equipped with a first brake cylinder 12, and the moving frame 1 is equipped with a first brake disc 13. The first brake cylinder 12 is equipped with a first brake caliper 14 for clamping the first brake disc 13, and the first brake caliper 14 is driven by the first brake cylinder 12. The connector 7 is equipped with a second brake cylinder 15, and the vertical rotating shaft 8 is equipped with a second brake disc 16. The second brake cylinder 15 is equipped with a second brake caliper 17 for clamping the second brake disc 16, and the second brake caliper 17 is driven by the second brake cylinder 15. The operation of the first brake cylinder 12 and the second brake cylinder 15 is controlled by the pneumatic control cabinet 11.

[0019] In summary, the structure of this utility model is used to connect various robotic arms for automobile assembly, assisting workers in completing the assembly of automobile parts.

[0020] The technical solutions provided by the embodiments of this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the embodiments of this utility model. The description of the above embodiments is only for helping to understand the principles of the embodiments of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the embodiments of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A mobile host for automotive assembly assistive arm, characterized in that: The device includes a mobile frame (1), a rotary boom (2), and a lifting swing arm (3). The mobile frame (1) has four hanging pulley blocks (4) at its top corners. At least one of the hanging pulley blocks (4) has a traction wheel unit (5) on one side. The rotary boom (2) is rotatably connected to the middle of the mobile frame (1). One end of the lifting swing arm (3) is pin-connected to the lower end of the rotary boom (2). The rotary boom (2) is equipped with a swing cylinder (6) that drives the lifting swing arm (3) to swing up and down. The other end of the lifting swing arm (3) is hinged to a connector (7). A vertical shaft (8) is rotatably mounted on the connector (7). A connecting rod (9) is hinged between the vertical shaft (8), the connector (7), and the rotary boom (2). The connecting rod (9) is arranged parallel to the lifting swing arm (3).

2. The automotive assembly assistive arm mobile host according to claim 1, characterized in that: The traction wheel unit (5) includes a mounting bracket (51), a motor mounting bracket (52), a motor (53), a drive wheel (54), a lever arm (55), a cylinder mounting bracket (56), a limit rod (57), and a lifting cylinder (58). The mounting bracket (51) is mounted on the mobile frame (1). The motor mounting bracket (52) is connected to one end of the lever arm (55). The lever arm (55) is hinged to the mounting bracket (51). The motor (53) is mounted on the motor mounting bracket (52). 3) The output shaft is connected to the drive wheel (54), the cylinder mounting seat (56) is set on the mobile frame (1), the limiting rod (57) is set on the cylinder mounting seat (56), the upper end of the limiting rod (57) passes through the free end of the lever arm (55), the limiting rod (57) is provided with a spring (59) that presses the lever arm (55) downward, the lifting cylinder (58) is set on the cylinder mounting seat (56), and the piston rod of the lifting cylinder (58) abuts against the lower part of the free end of the lever arm (55).

3. The automotive assembly assistive arm moving host according to claim 1, characterized in that: The mobile frame (1) is equipped with an electrical control cabinet (10) and a pneumatic control cabinet (11).

4. The automotive assembly assistive arm moving host according to claim 1, characterized in that: The slewing boom (2) is provided with a first brake cylinder (12), the mobile frame (1) is provided with a first brake disc (13), the first brake cylinder (12) is provided with a first brake caliper (14) for clamping the first brake disc (13), and the first brake caliper (14) is driven by the first brake cylinder (12).

5. The automotive assembly assistive arm moving host according to claim 1, characterized in that: The connector (7) is provided with a second brake cylinder (15), the vertical rotating shaft (8) is provided with a second brake disc (16), the second brake cylinder (15) is provided with a second brake caliper (17) for clamping the second brake disc (16), and the second brake caliper (17) is driven by the second brake cylinder (15).