Automatic rotating and floating adjusting device for automobile door of automobile assembly line

By designing an automated rotary floating adjustment device for automotive assembly lines, the problems of low efficiency and insufficient precision in traditional door assembly methods have been solved. This device achieves high-precision positioning and angle adjustment, reduces labor costs and defect rates, and protects the surface quality of the vehicle body.

CN224061081UActive Publication Date: 2026-03-31SUZHOU SAIYI INTELLIGENT TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Traditional car door assembly methods are mostly manual or semi-automated, which have problems such as low efficiency, insufficient precision, and easy damage to the car body surface, increasing labor costs and defect rate.

Method used

An automated rotary floating adjustment device was designed, comprising a support frame, a lifting platform, a gripper, a telescopic mechanism, a pressure sensor, and a drive motor. The device monitors the clamping force through a pressure sensor inside the gripper, and, in conjunction with the telescopic mechanism and drive motor, achieves high-precision positioning and angle adjustment of the car door, preventing damage to the car door during assembly.

Benefits of technology

It achieves high-precision positioning and angle adjustment of the car door, ensuring a perfect match between the door and the body, improving assembly quality, reducing labor costs and defect rate, and has good versatility and adaptability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224061081U_ABST
    Figure CN224061081U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic rotating floating adjusting device for an automobile door of an automobile assembly line, which relates to the field of automobile assembly and comprises a support frame, a lifting platform is arranged at the top end of the support frame in a lifting manner, a first rotating shaft is rotatably connected in the lifting platform, and clamping hands for clamping the automobile door are arranged at two ends of the first rotating shaft. Telescopic mechanisms are arranged in the two clamping hands, at least two shaft sleeves are fixed to the outer side of the first rotating shaft, connecting arms are fixed to the outer sides of the two shaft sleeves, the connecting arms are supported at the bottom end of the vehicle door, and a pressure sensor is embedded in the lower surface of the lower pressing plate, so that the clamping force can be monitored in real time, and it is ensured that the vehicle door cannot be damaged due to improper force in the clamping process; and the telescopic mechanism can be adaptively adjusted according to the thicknesses of different vehicle doors, the application range is wider, high-precision positioning and angle adjustment of the vehicle doors can be achieved through the automatic rotating and telescopic adjusting mechanism, perfect matching of the vehicle doors and a vehicle body is ensured, and the assembly quality is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile assembly, especially a kind of for automobile assembly line car door automation rotation floating adjusting device. BACKGROUND

[0002] The assembly of automobile products (including complete vehicles and assemblies) is one of the most important process links in the manufacturing process of automobile products. It is a process of assembling hundreds or thousands of various parts that have passed inspection into complete vehicles and assemblies such as engines and transmissions according to certain technical requirements.

[0003] In the automobile production process, door assembly is a key link. The traditional door assembly method is mostly manual operation or semi-automatic, which has problems such as low efficiency, insufficient precision, easy to knock and damage the surface of the vehicle body, etc. These problems not only affect production efficiency, but also increase labor cost and defective rate.

[0004] Therefore, it is necessary to provide a kind of for automobile assembly line car door automation rotation floating adjusting device to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of for automobile assembly line car door automation rotation floating adjusting device to solve the problems that the traditional door assembly method is mostly manual operation or semi-automatic, which has problems such as low efficiency, insufficient precision, easy to knock and damage the surface of the vehicle body, etc. These problems not only affect production efficiency, but also increase labor cost and defective rate.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of for automobile assembly line car door automation rotation floating adjusting device, including support frame, the support frame top end lift is provided with lifting platform, the lifting platform is rotationally connected with first shaft in, the first shaft both ends are provided with the clamping hand of clamping door, two clamping hands are provided with telescopic mechanism in;

[0007] The outer side of the first shaft is fixed with at least two shaft sleeves, and the outer side of the two shaft sleeves is fixed with a connecting arm, and the connecting arm is supported at the bottom end of the door.

[0008] Preferably, the end of the connecting arm is telescopically connected with a support rod, and the upper surface of the support rod is fixed with a separation pad.

[0009] Preferably, the telescopic mechanism includes a lower pressing plate, the top end of the clamping hand is fixed with a second air cylinder, the telescopic end of the second air cylinder extends into the interior of the clamping hand, and the bottom of the extending end is fixedly connected with the top end of the lower pressing plate, and the lower surface of the lower pressing plate is embedded with a pressure sensor.

[0010] Preferably, the lifting platform is rotatably connected with a second rotating shaft, the second rotating shaft is arranged below the first rotating shaft, a driving gear is arranged outside the second rotating shaft, and a rotating gear is arranged outside the first rotating shaft, the driving gear and the rotating gear are in meshing connection.

[0011] Preferably, a driving motor is fixed outside the lifting platform, and a driving shaft of the driving motor is fixedly connected with one end of the second rotating shaft.

[0012] Preferably, a first air cylinder is fixed at the bottom end of the support frame, an extending end is arranged at the top end of the first air cylinder, the extending end is fixedly connected with the bottom of the lifting platform, and a gravity sensor is arranged on the lifting platform.

[0013] Preferably, anti-skid pads are arranged at the four corners of the bottom end of the support frame.

[0014] Preferably, the two ends of the first rotating shaft extend outside the two sides of the lifting platform, and two clamping hands are arranged at the two sides of the lifting platform.

[0015] Compared with the prior art, the automobile door automatic rotating floating adjusting device has the following beneficial effects:

[0016] 1. The lower surface of the lower pressing plate is embedded with a pressure sensor, so that the clamping force can be monitored in real time, the automobile door is prevented from being damaged due to improper force during the clamping process, the telescopic mechanism can be adaptively adjusted according to the thickness of different automobile doors, the application range is wider, the high-precision positioning and angle adjustment of the automobile door can be realized through the automatic rotating and telescopic adjusting mechanism, the perfect matching between the automobile door and the automobile body is ensured, and the assembly quality is improved.

[0017] 2. The pressure sensor in the clamping hand and the isolation pad on the supporting rod can effectively prevent the automobile door from being scratched or bumped during the assembly process, and protect the surface quality of the automobile body. The device can be flexibly adjusted according to the size and shape of the automobile door of different vehicle models, has good universality and adaptability, and can be widely applied to the assembly lines of various vehicle models. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings, wherein:

[0019] Figure 1 It is a structural schematic view of the automobile door automatic rotating floating adjusting device for the automobile assembly line.

[0020] Figure 2 It is a structural schematic view of the shaft sleeve and the connecting arm.

[0021] Fig. 1, support frame; 2, lifting platform; 3, first cylinder; 4, first rotating shaft; 5, clamping hand; 6, second cylinder; 7, lower pressing plate; 8, shaft sleeve; 9, connecting arm; 10, supporting rod; 11, second rotating shaft; 12, driving gear; 13, driving motor; 14, rotating gear. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] The utility model provides a kind of Figure 1 - Figure 2 As shown in a kind of automatic rotation floating adjustment device for automobile assembly line door, including support frame 1, as the basic framework of entire device, is fixed in the suitable position of assembly line, provides stable support for device.

[0024] Specifically, the first cylinder 3 is fixed at the bottom end of the support frame 1, and the top end of the first cylinder 3 is provided with an extension end, which is fixedly connected with the bottom of the lifting platform 2. The extension end of the first cylinder 3 is fixedly connected with the bottom of the lifting platform 2. The height of the lifting platform 2 can be adjusted according to different vehicle models and assembly requirements to adapt to the assembly of doors of different heights.

[0025] The lifting platform 2 is movably arranged at the top end of the support frame 1. The first rotating shaft 4 is rotatably connected in the lifting platform 2. The clamping hands 5 for clamping the door are arranged at both ends of the first rotating shaft 4. The extension mechanism is arranged in the two clamping hands 5. The extension mechanism includes the lower pressing plate 7. The second cylinder 6 is fixed at the top end of the clamping hand 5. The extension end of the second cylinder 6 extends into the clamping hand 5. The bottom of the extension end is fixedly connected with the top end of the lower pressing plate 7. The pressure sensor is embedded in the lower surface of the lower pressing plate 7.

[0026] The second rotating shaft 11 is rotatably connected in the lifting platform 2. The second rotating shaft 11 is arranged below the first rotating shaft 4. The driving gear 12 is sleeved outside the second rotating shaft 11. The rotating gear 14 is sleeved outside the first rotating shaft 4. The driving gear 12 and the rotating gear 14 are meshed with each other. The driving motor 13 is fixedly connected with one end of the second rotating shaft 11. The driving motor 13 provides power to drive the second rotating shaft 11 to rotate, thereby driving the first rotating shaft 4 to rotate, so as to realize the precise angle adjustment of the door.

[0027] The telescopic end of the second cylinder 6 extends into the gripper 5 and is fixedly connected to the top of the lower pressure plate 7. A pressure sensor is embedded in the lower surface of the lower pressure plate 7, which can monitor the clamping force in real time to ensure that the car door will not be damaged due to improper force during clamping. Moreover, the telescopic mechanism can be adaptively adjusted according to the thickness of different car doors, making it more applicable. Through the automated rotation and telescopic adjustment mechanism, high-precision positioning and angle adjustment of the car door can be achieved, ensuring a perfect match between the car door and the car body and improving assembly quality.

[0028] At least two bushings 8 are fixed to the outside of the first pivot 4. Connecting arms 9 are fixed to the outside of the two bushings 8. The connecting arms 9 are supported at the bottom of the door. A support rod 10 is telescopically connected to the end of the connecting arm 9. An isolation pad is fixed to the upper surface of the support rod 10.

[0029] It can be extended or retracted according to the size and shape of the car door to adapt to different car models.

[0030] An isolation pad is fixed on the upper surface of the support rod 10 to prevent the door from directly contacting the support rod 10 and avoid scratching the door surface. A gravity sensor is installed on the lifting platform 2 to monitor the weight change on the lifting platform 2 in real time and ensure the stability of the device during operation.

[0031] Anti-slip pads are provided at the four corners of the bottom of the support frame 1.

[0032] The two ends of the first rotating shaft 4 extend out to both sides of the lifting platform 2, and two grippers 5 are set on both sides of the lifting platform 2.

[0033] The pressure sensor inside the gripper 5 and the isolation pad on the support rod 10 can effectively prevent the car door from being scratched or bumped during assembly, protecting the surface quality of the car body. This device can be flexibly adjusted according to the door size and shape of different car models, and has good versatility and adaptability. It can be widely used in the assembly lines of various car models.

[0034] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An automatic rotating floating adjustment device for automobile assembly line door, comprising a support frame (1), characterized in that: The support frame (1) top end lifting is provided with lifting platform (2), the lifting platform (2) is rotatably connected with first rotating shaft (4), the first rotating shaft (4) both ends are provided with the clamping hand (5) of clamping door, two the clamping hand (5) is provided with telescopic mechanism inside. The first rotating shaft (4) outside is fixed with at least two shaft sleeves (8), two the shaft sleeve (8) outside is fixed with connecting arm (9), the connecting arm (9) is supported to the bottom end of door.

2. The automatic rotation floating adjustment device for automobile assembly line door according to claim 1, characterized in that: The end of the connecting arm (9) is telescopically connected with a support rod (10), and the upper surface of the support rod (10) is fixed with a separation pad.

3. The automatic rotation floating adjustment device for automobile assembly line door according to claim 1, characterized in that: The telescopic mechanism includes a lower pressing plate (7), the clamping hand (5) top end is fixed with second air cylinder (6), the telescopic end of second air cylinder (6) extends into the clamping hand (5) inside, and the bottom of the extending end is fixedly connected with the top end of the lower pressing plate (7), and the lower surface of the lower pressing plate (7) is embedded with a pressure sensor.

4. The automatic rotation floating adjustment device for automobile assembly line door according to claim 1, characterized in that: The lifting platform (2) is rotatably connected with a second rotating shaft (11), the second rotating shaft (11) is arranged below the first rotating shaft (4), the second rotating shaft (11) is sleeved with a drive gear (12) outside, the first rotating shaft (4) is sleeved with a rotating gear (14) outside, and the drive gear (12) and the rotating gear (14) are engaged with each other.

5. The automatic rotation floating adjustment device for automobile assembly line door according to claim 4, characterized in that: The lifting platform (2) outside is fixed with a drive motor (13), and one end of the second rotating shaft (11) is fixedly connected with the drive shaft of the drive motor (13).

6. The automatic rotation floating adjustment device for automobile assembly line door according to claim 1, characterized in that: The bottom end of the support frame (1) is fixed with a first air cylinder (3), the top end of the first air cylinder (3) is provided with an extending end, and the extending end is fixedly connected with the bottom of the lifting platform (2), and a gravity sensor is arranged on the lifting platform (2).

7. The automatic rotation floating adjustment device for automobile assembly line door according to claim 1, characterized in that: The bottom end of the support frame (1) is provided with anti-skid pads at four corners.

8. The automatic rotation floating adjustment device for automobile assembly line door according to claim 1, characterized in that: The two ends of the first rotating shaft (4) respectively extend out of the two sides of the lifting platform (2), and the two clamping hands (5) are arranged on the two sides of the lifting platform (2).